diff options
| author | Igor Pashev <pashev.igor@gmail.com> | 2012-09-09 02:33:07 +0000 |
|---|---|---|
| committer | Igor Pashev <pashev.igor@gmail.com> | 2012-09-09 02:33:07 +0000 |
| commit | 8e7ba70eba02f88d4f3ba12e07ab9c7bdf32240a (patch) | |
| tree | 35373d0bc6f80a2f2ce1c49c91b3817f26b6c465 /m4 | |
| download | coreutils-8e7ba70eba02f88d4f3ba12e07ab9c7bdf32240a.tar.gz | |
Imported Upstream version 8.17upstream/8.17
Diffstat (limited to 'm4')
403 files changed, 39716 insertions, 0 deletions
diff --git a/m4/00gnulib.m4 b/m4/00gnulib.m4 new file mode 100644 index 00000000..d978cb89 --- /dev/null +++ b/m4/00gnulib.m4 @@ -0,0 +1,30 @@ +# 00gnulib.m4 serial 2 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This file must be named something that sorts before all other +dnl gnulib-provided .m4 files. It is needed until such time as we can +dnl assume Autoconf 2.64, with its improved AC_DEFUN_ONCE semantics. + +# AC_DEFUN_ONCE([NAME], VALUE) +# ---------------------------- +# Define NAME to expand to VALUE on the first use (whether by direct +# expansion, or by AC_REQUIRE), and to nothing on all subsequent uses. +# Avoid bugs in AC_REQUIRE in Autoconf 2.63 and earlier. This +# definition is slower than the version in Autoconf 2.64, because it +# can only use interfaces that existed since 2.59; but it achieves the +# same effect. Quoting is necessary to avoid confusing Automake. +m4_version_prereq([2.63.263], [], +[m4_define([AC][_DEFUN_ONCE], + [AC][_DEFUN([$1], + [AC_REQUIRE([_gl_DEFUN_ONCE([$1])], + [m4_indir([_gl_DEFUN_ONCE([$1])])])])]dnl +[AC][_DEFUN([_gl_DEFUN_ONCE([$1])], [$2])])]) + +# gl_00GNULIB +# ----------- +# Witness macro that this file has been included. Needed to force +# Automake to include this file prior to all other gnulib .m4 files. +AC_DEFUN([gl_00GNULIB]) diff --git a/m4/ChangeLog-2007 b/m4/ChangeLog-2007 new file mode 100644 index 00000000..ce06988b --- /dev/null +++ b/m4/ChangeLog-2007 @@ -0,0 +1,5011 @@ +2008-03-02 Jim Meyering <meyering@redhat.com> + + * prereq.m4: Don't require gl_SHA256 or gl_SHA512. + +2007-08-30 Eric Blake <ebb9@byu.net> + + * jm-macros.m4 (coreutils_MACROS): Remove GNU_PACKAGE. + +2007-04-25 Jim Meyering <jim@meyering.net> + + * autobuild.m4: Remove file. Now, provided by gnulib. + +2007-01-19 Jim Meyering <jim@meyering.net> + + * .cvsignore, .gitignore: Add more bootstrap-inserted file names. + +2006-12-12 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Remove AC_FUNC_SETVBUF_REVERSED, now that it's a no-op. + +2006-10-14 Paul Eggert <eggert@cs.ucla.edu> + + * sha512.m4 (gl_SHA512): Add u64.h to AC_LIBSOURCES. + +2006-10-12 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (coreutils_MACROS): Rename from gl_MACROS, now that + most of the gnulib macros have migrated into gnulib. + Don't call gl_INIT here (now it's called from configure.ac, directly). + +2006-10-07 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (gl_MACROS): Remove use of AC_CONFIG_LIBOBJ_DIR(lib). + It is no longer needed, and was causing dependencies to appear + in lib/lib/.deps, which provoked a "make distcheck" failure. + +2006-09-29 Jim Meyering <jim@meyering.net> + + * readdir.m4: Remove file once again. + * jm-macros.m4: Remove reference to gl_FUNC_READDIR. + +2006-09-28 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require the new macro. + * readdir.m4 (gl_FUNC_READDIR): Rename from GL_FUNC_READDIR. + Increment serial number. + * readdir.m4: Revivify this file. + We need it to work around a bug on Darwin 0.7.x. + +2006-09-01 Paul Eggert <eggert@cs.ucla.edu> + + * .cvsignore: Add fcntl_h.m4, getloadavg.m4, inttypes-h.m4, + inttypes-prio.m4, inttypes.m,4 isapipe.m4. + + * jm-macros.m4 (gl_MACROS): Call cu_PREREQ_STAT_PROG rather + than AC_REQUIREing, so that sys/mount.h isn't tested for after + the test result. I'm not sure why this fix is needed, but it + works. + * stat-prog.m4 (cu_PREREQ_STAT_PROG): Revamp to reflect better + what stat.c actually needs. + +2006-08-29 Paul Eggert <eggert@cs.ucla.edu> + + * stat-prog.m4 (cu_PREREQ_STAT_PROG): Check for __val versus val + components of fsid. Omit some checks that stat.c doesn't care + about. + +2006-08-26 Paul Eggert <eggert@cs.ucla.edu> + + * .cvsignore: Add config-h.m4. + +2006-08-22 Paul Eggert <eggert@cs.ucla.edu> + + * .cvsignore: Remove Makefile, dev-ino.m4, glibc2.m4, intdiv0.m4, + inttypes-h.m4, inttypes-pri.m4, jm-glibc-io.m4, lcmessage.m4, + lock.m4, printf-posix.m4, same-inode.m4, size_max.m4, + uintmax_t.m4, ulonglong.m4, visibility.m4, xsize.m4. Many of + these are put in automatically by ../bootstrap, but that's a + bootstrap bug that I plan to fix shortly. + +2006-08-22 Bruno Haible <bruno@clisp.org> + + BeOS portability. + * boottime.m4 (GNULIB_BOOT_TIME): Test also for utmp.h, utmpx.h, + OS.h. Don't require to have utmp.h or utmpx.h. Enable boottime + support if <OS.h> is found. + +2006-08-22 Jim Meyering <jim@meyering.net> + + * .cvsignore: Add files that are now generated by ../bootstrap. + +2006-08-21 Paul Eggert <eggert@cs.ucla.edu> + + * argmatch.m4: + Remove from CVS, since ../bootstrap generates it automatically. + +2006-08-20 Paul Eggert <eggert@cs.ucla.edu> + + Add a bootstrap procedure, so that the CVS version contains fewer + files and we bootstrap the rest from gnulib, gettext, etc. + * check-decl.m4 (gl_CHECK_DECLS): + Don't include stdio.h, string.h, stdlib.h, unistd.h, sys/time.h, + time.h. Use AC_CHECK_DECLS_ONCE for free, getenv, geteuid, getlogin, + getuid, lseek, malloc, memchr, realloc. Don't check for getutent, + memrchr, nanosleep, stpcpy, strndup, strnlen, strstr, strtoul, + strtoull. + (_gl_DECL_HEADERS): Remove; all uses removed. + * jm-macros.m4 (gl_MACROS): Move AC_PREREQ into configure.ac + for the benefit of gnulib-tool. Call gl_INIT. + Do not call or require the following, since gnulib now does this: + gl_HOST_OS, gl_ASSERT, gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE, + gl_CHECK_TYPE_STRUCT_DIRENT_D_INO, gl_FUNC_DIRFD, AC_FUNC_ACL, + gl_FUNC_LCHMOD, gl_FUNC_LCHOWN, gl_FUNC_RMDIR_NOTEMPTY, + gl_FUNC_CHOWN, AC_FUNC_LSTAT, AC_FUNC_STRERROR_R, + gl_FUNC_GROUP_MEMBER, gl_AC_FUNC_LINK_FOLLOWS_SYMLINK, + gl_FUNC_FPENDING, gt_INTTYPES_PRI, gl_ULLONG_MAX, + gl_FUNC_GETGROUPS, AC_FUNC_ALLOCA, AC_FUNC_GETLOADAVG, + gl_SYS_PROC_UPTIME, gl_FUNC_FTRUNCATE, AC_REPLACE_FUNCS(raise), + AC_CHECK_FUNCS_ONCE(gettimeofday), AC_FUNC_GETTIMEOFDAY_CLOBBER, + AC_FUNC_CLOSEDIR_VOID, AC_FUNC_STRTOD, gl_GLIBC21, AM_ICONV, + gl_FUNC_UNLINK_BUSY_TEXT, gl_FSUSAGE, gl_MOUNTLIST, gl_AC_DOS, + AC_FUNC_CANONICALIZE_FILE_NAME, gl_FUNC_FREE, gl_FUNC_CHDIR_LONG, + gl_FUNC_XFTS, gl_ROOT_DEV_INO, gl_VERSION_ETC, gl_DIACRIT, + gl_TYPE_SOCKLEN_T, gl_FPRINTFTIME, gl_CHDIR_SAFER. + Don't check for fchmod, hasmntopt, isascii, lchown, listmntent, + mempcpy, realpath, wcrtomb, tzset. + (gl_CHECK_ALL_HEADERS): Don't check for sys/statvfs.h, sys/vfs.h, + sys/mount.h. + (gl_CHECK_ALL_TYPES): Require AC_TYPE_UNSIGNED_LONG_LONG_INT. + Don't check for struct stat.st_blksize. + Don't require AC_STRUCT_ST_DM_MODE, gt_TYPE_SSIZE_T, + gl_AC_TYPE_UINT32_T, gl_AC_TYPE_UINTMAX_T, gl_AC_TYPE_UINTPTR_T, + gl_AC_TYPE_UNSIGNED_LONG_LONG. + * prereq.m4 (gl_PREREQ): Require gl_FUNC_XFTS, gl_ROOT_DEV_INO. + Don't require AM_STDBOOL_H, gl_ALLOCSA, gl_BACKUPFILE, + gl_BASENAME, gl_C_STRTOD, gl_C_STRTOLD, gl_CANON_HOST, gl_CLOEXEC, + gl_CLOSE_STREAM, gl_CLOSEOUT, gl_DIRNAME, gl_ERROR, gl_EXCLUDE, + gl_EXITFAIL, gl_FCNTL_SAFER, gl_FILEBLOCKS, gl_FILEMODE, + gl_FILE_NAME_CONCAT, gl_FILE_TYPE, gl_FSUSAGE, gl_FOPEN_SAFER, + gl_FUNC_ALLOCA, gl_FUNC_ATEXIT, gl_FUNC_DUP2, gl_FUNC_FNMATCH_GNU, + gl_FUNC_GETHOSTNAME, gl_FUNC_GETLINE, AC_FUNC_GETLOADAVG, + gl_FUNC_GETPASS_GNU, gl_FUNC_GETUSERSHELL, gl_FUNC_LSTAT, + gl_FUNC_MEMCHR, gl_FUNC_MEMCPY, gl_FUNC_MEMMOVE, gl_FUNC_MEMPCPY, + gl_FUNC_MEMRCHR, gl_FUNC_MEMSET, gl_FUNC_MKDIR_TRAILING_SLASH, + gl_FUNC_MKTIME, gl_FUNC_MKSTEMP, + gl_FUNC_READLINK, gl_FUNC_RMDIR, gl_FUNC_RPMATCH, gt_FUNC_SETENV, + gl_FUNC_SIG2STR, gl_FUNC_SNPRINTF, gl_FUNC_STPCPY, + gl_FUNC_STRCSPN, gl_FUNC_STRDUP, gl_FUNC_STRNDUP, gl_FUNC_STRNLEN, + gl_FUNC_STRPBRK, gl_FUNC_STRSTR, gl_FUNC_STRTOD, + gl_FUNC_STRTOIMAX, gl_FUNC_STRTOLL, gl_FUNC_STRTOL, + gl_FUNC_STRTOULL, gl_FUNC_STRTOUL, gl_FUNC_STRTOUMAX, + gl_FUNC_STRVERSCMP, gl_FUNC_TZSET_CLOBBER, gl_FUNC_VASNPRINTF, + gl_FUNC_VASPRINTF, gl_FUNC_WCWIDTH, gl_GETADDRINFO, gl_GETDATE, + gl_GETHRXTIME, gl_GETNDELIM2, gl_GETOPT, gl_GETPAGESIZE, + gl_GETTIME, gl_GETUGROUPS, gl_HARD_LOCALE, gl_HASH, gl_HASH_PJW, + gl_HEADER_ARPA_INET, gl_HEADER_NETINET_IN, gl_HEADER_SYS_SOCKET, + gl_HUMAN, gl_IDCACHE, gl_INET_NTOP, gl_INTTOSTR, gl_LINEBUFFER, + gl_LOCALCHARSET, gl_LONG_OPTIONS, gl_MBCHAR, gl_MBITER, + gl_MBSWIDTH, gl_MD5, gl_MEMCOLL, gl_MKANCESDIRS, gl_MKDIR_PARENTS, + gl_MODECHANGE, gl_MOUNTLIST, gl_OBSTACK, gl_PATHMAX, gl_PHYSMEM, + gl_POSIXTM, gl_POSIXVER, gl_QUOTEARG, gl_QUOTE, gl_READTOKENS, + gl_READUTMP, gl_REGEX, gl_SAFE_READ, gl_SAFE_WRITE, gl_SAME, + gl_SAVEDIR, gl_SAVE_CWD, gl_SETTIME, gl_SHA1, gl_STAT_MACROS, + gl_STAT_TIME, gl_STDARG_H, gl_STDINT_H, gl_STDLIB_SAFER, + gl_STRCASE, gl_STRIPSLASH, gl_TIMESPEC, gl_TIME_R, + gl_TYPE_SOCKLEN_T, gl_UNICODEIO, gl_UNISTD_SAFER, gl_UNLINKDIR, + gl_USERSPEC, gl_UTIMECMP, gl_UTIMENS, gl_XALLOC, gl_XGETCWD, + gl_XNANOSLEEP, gl_XREADLINK, gl_XSTRTOD, gl_XSTRTOL, gl_XSTRTOLD, + gl_YESNO, AC_FUNC_CALLOC, gl_FUNC_GLIBC_UNLOCKED_IO, + gl_FUNC_GNU_STRFTIME, AC_FUNC_MALLOC, gl_FUNC_MEMCMP, + gl_FUNC_NANOSLEEP, gl_FUNC_PUTENV, AC_FUNC_REALLOC, gl_FUNC_UTIME, + gl_XSTRTOIMAX, gl_XSTRTOUMAX, vb_FUNC_RENAME, gl_FUNC_FTS, + gl_MEMCASECMP, gl_STRIPSLASH, gl_LINEBUFFER, gl_ARGMATCH, + gl_CYCLE_CHECK, gl_EUIDACCESS_STAT, since gnulib handles this. + * stat-prog.m4 (cu_PREREQ_STAT_PROG): Don't check for + sys/sysmacros.h. Don't check for statvfs. Use AC_CHECK_HEADERS_ONCE + for netinet/in.h, nfs/nfs_clnt.h, nfs/vfs.h. + Don't require gl_AC_TYPE_LONG_LONG, gt_HEADER_INTTYPES_H. + + * absolute-header.m4, acl.m4, alloca.m4, allocsa.m4, arpa_inet_h.m4: + * assert.m4, atexit.m4, backupfile.m4, basename.m4, bison.m4: + * c-strtod.m4, c.m4, calloc.m4, canon-host.m4, canonicalize.m4: + * chdir-long.m4, chdir-safer.m4, chown.m4, clock_time.m4: + * cloexec.m4, close-stream.m4, closeout.m4, codeset.m4: + * cycle-check.m4, d-ino.m4, d-type.m4, dev-ino.m4, diacrit.m4: + * dirfd.m4, dirname.m4, dos.m4, double-slash-root.m4, dup2.m4: + * eealloc.m4, eoverflow.m4, error.m4, euidaccess.m4, exclude.m4: + * exitfail.m4, extensions.m4, fcntl-safer.m4, file-type.m4: + * fileblocks.m4, filemode.m4, filenamecat.m4, fnmatch.m4: + * fpending.m4, fprintftime.m4, free.m4, fstypename.m4, fsusage.m4: + * ftruncate.m4, fts.m4, getaddrinfo.m4, getcwd-abort-bug.m4: + * getcwd-path-max.m4, getcwd.m4, getdate.m4, getdelim.m4: + * getgroups.m4, gethostname.m4, gethrxtime.m4, getline.m4: + * getndelim2.m4, getopt.m4, getpagesize.m4, getpass.m4, gettext.m4: + * gettime.m4, gettimeofday.m4, getugroups.m4, getusershell.m4: + * glibc21.m4, group-member.m4, hard-locale.m4, hash-pjw.m4, hash.m4: + * host-os.m4, human.m4, iconv.m4, idcache.m4, inet_ntop.m4: + * intmax_t.m4, inttostr.m4, inttypes-h.m4, inttypes-pri.m4: + * inttypes.m4, inttypes_h.m4, isc-posix.m4, jm-winsz1.m4: + * jm-winsz2.m4, lchmod.m4, lchown.m4, lib-ignore.m4, lib-ld.m4: + * lib-link.m4, lib-prefix.m4, linebuffer.m4, link-follow.m4: + * localcharset.m4, long-options.m4, longdouble.m4, longlong.m4: + * ls-mntd-fs.m4, lstat.m4, mbchar.m4, mbiter.m4, mbrtowc.m4: + * mbstate_t.m4, mbswidth.m4, md5.m4, memcasecmp.m4, memchr.m4: + * memcmp.m4, memcoll.m4, memcpy.m4, memmove.m4, mempcpy.m4: + * memrchr.m4, memset.m4, mkancesdirs.m4, mkdir-p.m4, mkdir-slash.m4: + * mkstemp.m4, mktime.m4, modechange.m4, mountlist.m4, nanosleep.m4: + * netinet_in_h.m4, nls.m4, obstack.m4, openat.m4, pathmax.m4: + * perl.m4, physmem.m4, po.m4, posixtm.m4, posixver.m4, progtest.m4: + * putenv.m4, quote.m4, quotearg.m4, readlink.m4, readtokens.m4: + * readutmp.m4, regex.m4, rename.m4, rmdir-errno.m4, rmdir.m4: + * rpmatch.m4, safe-read.m4, safe-write.m4, same-inode.m4, same.m4: + * save-cwd.m4, savedir.m4, setenv.m4, settime.m4, sha1.m4: + * sig2str.m4, signed.m4, snprintf.m4, socklen.m4, sockpfaf.m4: + * ssize_t.m4, st_dm_mode.m4, stat-macros.m4, stat-time.m4: + * stdarg.m4, stdbool.m4, stdint.m4, stdint_h.m4, stdio-safer.m4: + * stdlib-safer.m4, stpcpy.m4, strcase.m4, strcspn.m4, strdup.m4: + * strftime.m4, stripslash.m4, strndup.m4, strnlen.m4, strpbrk.m4: + * strstr.m4, strtod.m4, strtoimax.m4, strtol.m4, strtoll.m4: + * strtoul.m4, strtoull.m4, strtoumax.m4, strverscmp.m4: + * sys_socket_h.m4, time_r.m4, timespec.m4, tm_gmtoff.m4, tzset.m4: + * uint32_t.m4, uintmax_t.m4, uintptr_t.m4, ullong_max.m4: + * ulonglong.m4, unicodeio.m4, unistd-safer.m4, unlink-busy.m4: + * unlinkdir.m4, unlocked-io.m4, uptime.m4, userspec.m4, utimbuf.m4: + * utime.m4, utimecmp.m4, utimens.m4, utimes-null.m4, utimes.m4: + * vasnprintf.m4, vasprintf.m4, version-etc.m4, wchar_t.m4: + * wcwidth.m4, wint_t.m4, xalloc.m4, xgetcwd.m4, xnanosleep.m4: + * xreadlink.m4, xstrtod.m4, xstrtoimax.m4, xstrtol.m4: + * xstrtoumax.m4, yesno.m4: + Remove from CVS, since ../bootstrap generates them automatically. + +2006-08-18 Bruno Haible <bruno@clisp.org> + + * ls-mntd-fs.m4 (gl_LIST_MOUNTED_FILE_SYSTEMS): Also check for + sys/statvfs.h. When getmntinfo was found, check its declaration and + set either MOUNTED_GETMNTINFO or MOUNTED_GETMNTINFO2 depending on it. + * stat-prog.m4 (cu_PREREQ_STAT_PROG): Test also for f_fstypename + in struct statvfs. + +2006-08-18 Jim Meyering <jim@meyering.net> + + * gethrxtime.m4 (gl_PREREQ_GETHRXTIME): Also check for CLOCK_REALTIME, + since gethrxtime may revert to using clock_gettime via gettime.c. + Gabor Z. Papp reported that gethrxtime-using programs failed to + link due to unresolved clock_gettime on a linux-2.4.x system. + +2006-08-17 Paul Eggert <eggert@cs.ucla.edu> + + * ChangeLog: Add copyright notice. + * check-decl.m4: Likewise. + +2006-08-15 Jim Meyering <jim@meyering.net> + + * openat.m4 (gl_FUNC_OPENAT): Add at-func.c via AC_LIBSOURCES. + +2006-08-10 Jim Meyering <jim@meyering.net> + + Update from gnulib. + * cycle-check.m4 (gl_CYCLE_CHECK): Don't mention same-inode.h. + Require gl_STRUCT_DEV_INO and gl_SAME_INODE. + * dev-ino.m4, same-inode.m4: New files. + +2006-08-10 Paul Eggert <eggert@cs.ucla.edu> + + Accommodate new getaddrinfo implementation in gnulib. + * arpa_inet_h.m4, inet_ntop.m4, netinet_in_h.m4, snprintf.m4: + New files, from gnulib. + * prereq.m4 (gl_PREREQ): Require gl_FUNC_SNPRINTF, gl_GETADDRINFO, + gl_HEADER_ARPA_INET, gl_HEADER_NETINET_IN, gl_HEADER_SYS_SOCKET, + gl_INET_NTOP, gl_TYPE_SOCKEN_T. + +2006-08-09 Paul Eggert <eggert@cs.ucla.edu> + + * inttypes-h.m4, stdarg.m4: New files, from gnulib. + * prereq.m4 (gl_PREREQ): Require gl_STDARG_H. + Require gl_FOPEN_SAFER rather than gl_STDIO_SAFER (due to renaming). + * getline.m4, gettext.m4, inttypes-pri.m4, lib-link.m4, localcharset.m4: + * mbchar.m4, nls.m4, po.m4, stdint.m4, stdio-safer.m4, unistd-safer.m4: + * wcwidth.m4: + Update from gnulib. + +2006-08-08 Paul Eggert <eggert@cs.ucla.edu> + + * memxfrm.m4, randint.m4, randperm.m4, randread.m4: New files. + + * prereq.m4 (gl_PREREQ): Require gl_MEMXFRM, gl_RANDINT, gl_RANDPERM, + gl_RANDREAD. + + * restrict.m4: Remove, now that we assume Autoconf 2.58 or later. + All uses of gl_C_RESTRICT changed to AC_C_RESTRICT. + +2006-07-22 Paul Eggert <eggert@cs.ucla.edu> + + * close-stream.m4: New file. + * prereq.m4 (gl_PREREQ): Require gl_CLOSE_STREAM. + +2006-07-16 Paul Eggert <eggert@cs.ucla.edu> + + * mkancesdirs.m4: New file. + * afs.m4: Remove; no longer needed. + * jm-macros.m4 (gl_MACROS): Remove gl_AFS. + * mkdir-p.m4 (gl_MKDIR_PARENTS): Mention dirchownmod.c, dirchownmod.h. + Don't require AC_FUNC_ALLOCA, gl_AFS, gl_CHDIR_SAFER; no longer needed. + Require gl_FUNC_LCHOWN, since dirchownmod.c needs it. + * prereq.m4 (gl_PREREQ): Require gl_MKANCESDIRS. + +2006-07-11 Eric Blake <ebb9@byu.net> + + * absolute-header.m4: Fix comments to match recent change. + +2006-07-10 Derek R. Price <derek@ximbiot.com> + and Paul Eggert <eggert@cs.ucla.edu> + + * backupfile.m4, d-ino.m4, d-type.m4, dirfd.m4, fts.m4, getcwd.m4: + * savedir.m4: + Ignore the obsolescent !HAVE_DIRENT_H case. Consolidate NAMLEN + macros into the GNU _D_EXACT_NAMLEN. + +2006-07-10 Paul Eggert <eggert@cs.ucla.edu> + + * stdint.m4 (gl_STDINT_H): Like yesterday's change to + absolute-header.m4. Also, set ABSOLUTE_STDINT_H to a string + "no/such/file/stdint.h" when there is no such file, so that + the resulting C code can be parsed by dodgy compilers. + Problems reported by Bob Proulx. + +2006-07-09 Paul Eggert <eggert@cs.ucla.edu> + + * absolute-header.m4 (gl_ABSOLUTE_HEADER): Use "" rather than <> + around the absolute name, to work around a problem with the HP-UX + 11.23 native C compiler, reported by Bob Proulx. + + Update from gnulib, as follows: + + 2006-07-06 Derek R. Price <derek@ximbiot.com> + and Paul Eggert <eggert@cs.ucla.edu> + + * backupfile.m4 (gl_BACKUPFILE): Check for dirent.h, instead + of invoking obsolescent AC_HEADER_DIRENT macro. + * d-ino.m4 (gl_CHECK_TYPE_STRUCT_DIRENT_D_INO): Likewise. + * d-type.m4 (gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE): Likewise. + * dirfd.m4 (gl_FUNC_DIRFD): Likewise. + * fts.m4 (gl_FUNC_FTS_CORE): Likewise. + * getcwd.m4 (gl_PREREQ_GETCWD): Likewise. + * savedir.m4 (gl_SAVEDIR): Likewise. + + 2006-07-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * fileblocks.m4 (gl_PREREQ_FILEBLOCKS): AC_CHECK_DECLS_ONCE may + expand to nothing, so add a shell command to avoid syntax error. + * getpass.m4 (gl_PREREQ_GETPASS): Likewise. + + 2006-07-06 Paul Eggert <eggert@cs.ucla.edu> + + * fnmatch.m4 (_AC_LIBOBJ_FNMATCH): Don't check for getenv decl; + no longer needed. Check for isblank decl. + * mkstemp.m4 (gl_PREREQ_TEMPNAME): Don't check for getenv decl. + * regex.m4 (gl_PREREQ_REGEX): Dheck for isblank decl instead + of existence. + + 2006-07-05 Paul Eggert <eggert@cs.ucla.edu> + + * xstrtol.m4 (gl_PREREQ_XSTRTOL): Use AC_CHECK_DECLS_ONCE + rather than AC_CHECK_DECLS for strtoimax and strtoumax. + * getusershell.m4 (gl_PREREQ_GETUSERSHELL): Remove; no longer needed. + All uses removed. + * strtol.m4 (gl_PREREQ_STRTOL): Likewise. + * strtoul.m4 (gl_PREREQ_STRTOUL): Likewise. + * exclude.m4 (gl_EXCLUDE): Don't check for isascii; no longer needed. + * getdate.m4 (gl_GETDATE): Likewise. + * getusershell.m4 (gl_PREREQ_GETUSERSHELL): Likewise. + * memcasecmp.m4 (gl_MEMCASECMP): Likewise. + * strtod.m4 (gl_FUNC_STRTOD): Likewise. + * strtol.m4 (gl_PREREQ_STRTOL): Likewise. + * strtoul.m4 (gl_PREREQ_STRTOUL): Likewise. + * xstrtol.m4 (gl_PREREQ_XSTRTOL): Likewise. + * exclude.m4 (gl_EXCLUDE): Don't require AC_C_INLINE; no longer + needed. + + 2006-07-05 Derek R. Price <derek@ximbiot.com> + + * calloc.m4 (_AC_FUNC_CALLOC_IF): Don't require AC_HEADER_STDC; + no longer needed. + * exclude.m4 (gl_EXCLUDE): Likewise. + * getdate.m4 (gl_GETDATE): Likewise. + * getusershell.m4 (gl_PREREQ_GETUSERSHELL): Likewise. + * memcasecmp.m4 (gl_MEMCASECMP): Likewise. + * strtod.m4 (gl_FUNC_STRTOD): Likewise. + * strtol.m4 (gl_PREREQ_STRTOL): Likewise. + * xstrtol.m4 (gl_PREREQ_XSTRTOL): Likewise. + + 2006-07-05 Eric Blake <ebb9@byu.net> + + * sockpfaf.m4 (gl_SOCKET_FAMILIES): Use gl_HEADER_SYS_SOCKET + to avoid 'header present but could not be compiled' on cygwin. + + 2006-07-03 Bruno Haible <bruno@clisp.org> + + * strndup.m4 (gl_FUNC_STRNDUP): When cross-compiling, check whether + the function exists, before testing against AIX. + Reported by Martin Lambers <marlam@marlam.de>. + + 2006-07-04 Paul Eggert <eggert@cs.ucla.edu> + + * absolute-header.m4 (gl_ABSOLUTE_HEADER): Prepend three slashes + to the absolute name, not just one, to bypass Sun C 5.8's + "warning: #include of /usr/include/... may be non-portable". + + 2006-07-03 Paul Eggert <eggert@cs.ucla.edu> + + * absolute-header.m4: Renamed from full-header-path.m4. + This is to keep the terminology clean; POSIX talks about + "absolute pathnames", not "full pathnames", but the GNU + Coding Standards say to use "path" for something else; + so use "absolute" to keep both sides happy. + (gl_ABSOLUTE_HEADER): Renamed from gl_FULL_HEADER_PATH. + Set gl_absolute_header, not gl_full_header_path. + Set gl_cv_absolute_<header>, not gl_full_path_<header>. + Define ABSOLUTE_<HEADER>, not FULL_PATH_<HEADER>. + All uses changed. + +2006-07-08 Jim Meyering <jim@meyering.net> + + * link-follow.m4: Remove one of two adjacent "whether"s in a comment. + * getopt.m4: Remove one of two adjacent "your"s in a comment. + * autobuild.m4: Remove one of two adjacent "can"s in a comment. + * regex.m4 (gl_REGEX): Remove one of two adjacent "the"s in a comment. + +2006-07-03 Paul Eggert <eggert@cs.ucla.edu> + + * prereq.m4 (gl_PREREQ): Require gl_FUNC_WCWIDTH, to accommodate + changes mentioned below. + * setenv.m4 (gt_FUNC_SETENV): Undo private change that added an + AC_LIBSOURCES line here, since Bruno didn't buy it back. Instead, + update ../lib/Makefile.am to mention the files explicitly. + + Sync from gnulib. + + 2006-06-28 Simon Josefsson <jas@extundo.com> + + * getaddrinfo.m4: Look for getnameinfo prototypes too. + + 2006-06-28 Eric Blake <ebb9@byu.net> + + * mbswidth.m4 (gl_MBSDWIDTH): Move wcwidth from here... + * wcwidth.m4 (gl_FUNC_WCWIDTH): ...to this new file. + + 2006-06-22 Simon Josefsson <jas@extundo.com> + + * sockpfaf.m4: Include winsock2.h too, to make it work under + MinGW. + + 2006-06-21 Simon Josefsson <jas@extundo.com> + + * getaddrinfo.m4: Don't define WINVER. Look for gethostbyname in + -lws2_32 too. Fixes getaddrinfo on Windows 2000, with the price + of using the (limited) gnulib implementation on Windows XP. + + 2006-06-17 Bruno Haible <bruno@clisp.org> + + * setenv.m4 (gl_PREREQ_SETENV, gl_PREREQ_UNSETENV): Remove test + whether errno is declared. Assume <errno.h> declares errno. + + 2006-06-16 Eric Blake <ebb9@byu.net> + + * rmdir-errno.m4 (gl_FUNC_FMDIR_NOTEMPTY): Assume errno.h declares + errno. + + 2006-06-15 Eric Blake <ebb9@byu.net> + + * ssize_t.m4 (gt_TYPE_SSIZE_T): Work in spite of -Werror. + + 2006-04-20 Bruno Haible <bruno@clisp.org> + + * getpass.m4 (gl_PREREQ_GETPASS): + Don't call AC_CHECK_DECLS_ONCE with more than + one argument, so that the code will be portable to Autoconf 2.60. + * unlocked-io.m4 (gl_FUNC_GLIBC_UNLOCKED_IO): Likewise. + + 2006-03-15 Eric Blake <ebb9@byu.net> + + * dirfd.m4 (gl_FUNC_DIRFD): Use AC_REQUIRE for AC_HEADER_DIRENT. + +2006-07-03 Jim Meyering <jim@meyering.net> + + * ftruncate.m4 (gl_FUNC_FTRUNCATE): Adjust diagnostic to recommend + ./configure SKIP_FTRUNCATE_CHECK=yes, rather than env ... ./configure. + Suggestion from Ralf Wildenhues. + +2006-07-02 Paul Eggert <eggert@cs.ucla.edu> + + * stdint.m4 (gl_STDINT_H): Use more-mnemonic identifiers for + test cases, so that config.log is a bit easier to follow. + +2006-07-02 Jim Meyering <jim@meyering.net> + + * full-header-path.m4: New file, from gnulib. Required by stdint.m4. + +2006-07-02 Paul Eggert <eggert@cs.ucla.edu> + + * longlong.m4: Sync from gnulib. + * stdint.m4: Likewise. + * ulonglong.m4: Likewise. + +2006-06-30 Paul Eggert <eggert@cs.ucla.edu> + + * c-strtod.m4 (gl_C_STRTOLD): Add c-strtod.c to LIBSOURCES. + Require gl_USE_SYSTEM_EXTENSIONS, not gl_C_STRTOD, since we don't + want to require the building of c-strtod.o. + * lib-check.m4 (cu_LIB_CHECK): Remove SEQ_LIBM, since seq no longer + needs -lm directly. + * prereq.m4 (gl_PREREQ): Require gl_C_STRTOD and gl_XSTRTOLD. + * xstrtod.m4 (gl_XSTRTOLD): New macro. + +2006-06-29 Derek R. Price <derek@ximbiot.com> + + * strftime.m4: Don't call AC_FUNC_STRFTIME. + +2006-06-28 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (jl_MACROS): Require 2.60, not 2.59d. + * jm-macros.m4 (gl_CHECK_ALL_TYPES): Don't require AC_C_CONST, since + it's obsolete. + +2006-06-28 Derek R. Price <derek@ximbiot.com> + + * fnmatch.m4 (_AC_LIBOBJ_FNMATCH): Don't require AC_C_CONST, since + it's obsolete. + * strftime.m4 (gl_FUNC_GNU_STRFTIME): Likewise. + * savedir.m4: Remove AC_FUNC_CLOSEDIR_VOID requirement. + +2006-06-19 Paul Eggert <eggert@cs.ucla.edu> + + * lib-ignore.m4 (gl_IGNORE_UNUSED_LIBRARIES): Prefer binutils's + --as-needed option if available. Problem reported by Albert Chin in + <http://lists.gnu.org/archive/html/bug-gnulib/2006-06/msg00114.html>. + However, use -Wl,--as-needed, not bare --as-needed, since HP-UX 11.11 + cc merely issues a bunch of annoying warnings for --as-needed + (this problem was reported by Bob Proulx). Also, try linking with + -lm to detect a bug in binutils 2.16 (this problem was reported + by Ralf Wildenhues). + +2006-06-18 Jim Meyering <jim@meyering.net> + + Test for a bug that causes glibc's getcwd to suffer a failed assertion. + * getcwd-abort-bug.m4 (gl_FUNC_GETCWD_ABORT_BUG): New file and macro. + * getcwd.m4 (gl_FUNC_GETCWD): If we detect support for getcwd_null, + also check for glibc-2.4's abort-inducing bug. + + * getcwd-path-max.m4 (gl_FUNC_GETCWD_PATH_MAX): Fix typo. + Low-probability clean-up should be to use rmdir to get rid of + the just-created directory, not unlink. + + * ftruncate.m4 (gl_FUNC_FTRUNCATE): If ftruncate is missing, make + configure fail, and request a bug report to inform us about it. + Add a comment that, barring reports to the contrary, in 2007 we'll + assume ftruncate is universally available. + +2006-06-10 Jim Meyering <jim@meyering.net> + + Apply this change from gnulib: + + 2006-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + Bruno Haible <bruno@clisp.org> + + * strndup.m4 (gl_FUNC_STRNDUP): Replace the AC_REPLACE_FUNCS with a + check for the declaration of strnlen and a run test that exposes the + AIX 5.1 strnlen bug. In the failure case, #define strndup to + rpl_strndup. + +2006-05-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * c-strtod.m4 (gl_C99_STRTOLD): Use a link test rather than a + compile test, for Tru64 4.0D. + +2006-05-24 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require autoconf-2.59d, for its fixed version + of AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK. + +2006-05-19 Paul Eggert <eggert@cs.ucla.edu> + + * nanosleep.m4 (gl_FUNC_NANOSLEEP): Rename cache variables to use + gl_ rather than jm_. Link, don't run, so that cross-compiles are + allowed. Check that resulting type is arithmetic. Move AC_REQUIRE + and AC_CHECK_HEADERS_ONCE outside of AC_CACHE_CHECK, since they're + not really conditional on the cache. + (gl_PREREQ_NANOSLEEP): Check for sys/select.h. + +2006-05-14 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4 (AC_HEADER_STDBOOL): Fix overly-picky + test for C99 conformance; (bool) 0.5 is an integer constant + expression, but (bool) -0.5 is not. Problem reported by Fedor + Sergeev in <http://forum.sun.com/jive/thread.jspa?threadID=96202>. + +2006-02-17 Eric Blake <ebb9@byu.net> + + Sync from gnulib. + * getaddrinfo.m4 (gl_GETADDRINFO): Fix caching error. + +2006-04-24 Paul Eggert <eggert@cs.ucla.edu> + + * unlink-busy.m4 (gl_FUNC_UNLINK_BUSY_TEXT): Use prototype + to define main with arguments, for C++. Reported by Eric Blake. + * getcwd-path-max.m4 (gl_FUNC_GETCWD_PATH_MAX): Likewise. + * fsusage.m4 (gl_FILE_SYSTEM_USAGE): Specify a return type + for 'main', for C99 and C++. + +2006-04-24 Paul Eggert <eggert@cs.ucla.edu> + + * fsusage.m4 (gl_FILE_SYSTEM_USAGE): Use return, not exit. + Don't assume that exit status -1 is valid. + * nanosleep.m4 (gl_FUNC_NANOSLEEP): Likewise. + * putenv.m4 (gl_FUNC_PUTENV): Likewise. + * rmdir-errno.m4 (gl_FUNC_RMDIR_NOTEMPTY): Likewise. + * readdir.m4 (GL_FUNC_READDIR): Include <stdlib.h>. + * rename.m4 (vb_FUNC_RENAME): Likewise. + * unlink-busy.m4 (gl_FUNC_UNLINK_BUSY_TEXT): Use AC_RUN_IFELSE, + not AC_TRY_RUN. Use return, not exit. Don't assume that + functions can be used without declaring them, or that you can + exit with status -1. + * utimes-null.m4 (gl_FUNC_UTIMES_NULL): Likewise. + +2006-04-17 Paul Eggert <eggert@cs.ucla.edu> + + * filemode.m4 (gl_FILEMODE): Check for strmode declaration. + +2006-04-12 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_MACROS): Check for setgroups and sync, since they + are not in Interix. + +2006-04-11 Paul Eggert <eggert@cs.ucla.edu> + + * time_r.m4 (gl_TIME_R): Add AC_LIBSOURCES for time_r.c and time_r.h. + +2006-04-09 Paul Eggert <eggert@cs.ucla.edu> + + * regex.m4 (gl_REGEX): Check for new glibc interface to + translation table. + +2006-03-11 Eric Blake <ebb9@byu.net> + + * double-slash-root.m4: New file, provides gl_DOUBLE_SLASH_ROOT. + * dirname.m4 (gl_DIRNAME): Use gl_DOUBLE_SLASH_ROOT. + * dos.m4 (FILE_SYSTEM_PREFIX_LEN): Move from here to dirname.h. + (FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE): New define. + +2006-03-25 Paul Eggert <eggert@cs.ucla.edu> + + * regex.m4 (gl_REGEX): Don't insist on REG_SYNTAX_POSIX_EGREP, + REG_SYNTAX_EMACS, and REG_IGNORE_CASE. Settle for the traditional + glibc names. Even if glibc is changed to conform to POSIX, the + traditional names will be available anyway, since regex depends on + the extensions module. Also, fix a longstanding typo in the + implementation of Spencer ERE test #75 from grep 2.3. Problems + reported by Emanuele Giaquinta. Also, change sense of cached + variable, so that the message makes sense. + +2006-03-17 Jim Meyering <jim@meyering.net> + + * regex.m4 (gl_REGEX): Fix typo in last change: + s/_REGEX_WIDE_OFFSETS/_REGEX_LARGE_OFFSETS/. + +2006-03-16 Paul Eggert <eggert@cs.ucla.edu> + + * regex.m4 (gl_REGEX): Don't check for off_t, since the code + no longer needs it. Instead, check that regoff_t is as least + as wide as ptrdiff_t. + + Don't define _REGEX_WIDE_OFFSETS unless using the included regex, + so that our regex.h stays compatible with the installed regex. + This is helpful for installers who configure --without-included-regex. + Problem reported by Emanuele Giaquinta. + +2006-03-12 Jim Meyering <jim@meyering.net> + + * chdir-safer.m4 (gl_CHDIR_SAFER): Add same-inode.h to the list. + * cycle-check.m4 (gl_CYCLE_CHECK): Likewise. + * same.m4 (gl_SAME): Likewise. + * root-dev-ino.m4 (gl_ROOT_DEV_INO): Likewise. + +2006-03-12 Paul Eggert <eggert@cs.ucla.edu> + + * prereq.m4 (gl_PREREQ): Require gl_TIME_R. + * time_r.m4: New file, from gnulib. + +2006-03-01 Paul Eggert <eggert@cs.ucla.edu> + + * clock_time.m4 (gl_CLOCK_TIME): Require gl_USE_SYSTEM_EXTENSIONS, + not merely AC_GNU_SOURCE, for the benefit of Solaris 10 when compiled + pedantically. + * nanosleep.m4 (gl_FUNC_NANOSLEEP): Likewise. + * timespec.m4 (gl_TIMESPEC): Likewise. + + * extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Use "=" with "test", + not "==". Reported by Ralf Wildenhues. + +2006-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * mkdir-p.m4 (gl_MKDIR_PARENTS): Require gl_FUNC_LCHMOD and + gl_CHDIR_SAFER. + +2006-02-16 Eric Blake <ebb9@byu.net> + + Sync from gnulib. + * sys_socket_h.m4: New file. Solves 'present but cannot compile' + warnings on cygwin, which cannot use ws2tcpip.h. + * socklen.m4 (gl_TYPE_SOCKLEN_T): Use gl_HEADER_SYS_SOCKET. + Don't use ws2tcpip.h if sys/socket.h works. + * getaddrinfo.m4 (gl_PREREQ_GETADDRINFO): Use + gl_HEADER_SYS_SOCKET. + (gl_GETADDRINFO): Don't use ws2tcpip.h when sys/socket.h is + present. + +2006-02-14 Simon Josefsson <jas@extundo.com> + + Sync from gnulib. + * getaddrinfo.m4: Look for getaddrinfo inside ws2tcip.h and + -lws2_32. Protect sys/socket.h and netdb.h #include's. Include + ws2tcpip.h with WINVER=0x0501. All for mingw32. + * socklen.m4: Look in ws2tcpip.h too, for mingw32. + +2006-02-05 Paul Eggert <eggert@cs.ucla.edu> + + * extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Don't #define + __EXTENSIONS__ if this causes compilation to fail. Problem + reported by Nelson H. F. Beebe with Solaris 10 and Sun C 5.7 + c89 -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED. + +2006-01-26 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4 (AC_HEADER_STDBOOL): Sync from gnulib. + Use 'defined __GNUC__' rather than __GNUC__. + +2006-01-25 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4: Merge from gnulib; we still don't quite match + exactly, but we're getting closer. + (AC_HEADER_STDBOOL): Add some comments. + +2006-01-24 Jim Meyering <jim@meyering.net> + + * openat.m4 (gl_FUNC_OPENAT): Add AC_LIBSOURCES([intprops.h]). + Reported by Mark D. Baushke. + +2006-01-23 Paul Eggert <eggert@cs.ucla.edu> + + * getopt.m4 (gl_PREREQ_GETOPT): Check for getenv decl. + +2006-01-20 Paul Eggert <eggert@cs.ucla.edu> + + * lib-ignore.m4 (gl_IGNORE_UNUSED_LIBRARIES): Use -Wl,-z,ignore + rather than -Xlinker -z -Xlinker ignore, as it's more portable. + Suggested by Bruno Haible. + +2006-01-17 Jim Meyering <jim@meyering.net> + + * fts.m4 (gl_FUNC_FTS_CORE): Depend on gl_FUNC_OPENAT. + +2006-01-16 Paul Eggert <eggert@cs.ucla.edu> + + * lib-ignore.m4 (gl_IGNORE_UNUSED_LIBRARIES): Don't use ldd, as + it's not portable and it doesn't work with cross-compiles. + Problem reported by Bruno Haible. Fix missing-$ typo in + 'test "gl_cv_ignore_unused_libraries" ...' that prevented + -zignore from being used with Sun's C compiler. + +2006-01-13 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (AC_FUNC_GETMNTENT): Invoke AC_CHECK_FUNCS(getmntent) + unconditionally so that tests of $ac_cv_func_getmntent (e.g., in + gl_LIST_MOUNTED_FILE_SYSTEMS) need not double-quote uses of that + variable, to accommodate the rare case in which getmntent is + available in none of the libraries checked. This happens at + least on FreeBSD 5.0. + +2006-01-11 Paul Eggert <eggert@cs.ucla.edu> + + * prereq.m4 (gl_PREREQ): Require gl_STDINT_H. + * stdint.m4: New file, from gnulib. + +2006-01-11 Jim Meyering <jim@meyering.net> + + * openat.m4 (gl_FUNC_OPENAT): Require and compile fchmodat.c. + Check for the lchmod function. + +2006-01-10 Paul Eggert <eggert@cs.ucla.edu> + + * argmatch.m4 (gl_ARGMATCH): Don't require gl_FUNC_MEMCMP, for the + sake of packages that don't want to worry about ancient systems. + + * getaddrinfo.m4, localcharset.m4, md5.m4, memcoll.m4: + Sync from gnulib. + +2006-01-10 Jim Meyering <jim@meyering.net> + + * fpending.m4: Also include <stdio.h>, for Dragonfly. + Patch by Joerg Sonnenberger. + +2006-01-06 Paul Eggert <eggert@cs.ucla.edu> + + * lib-ignore.m4: New file. + +2006-01-01 Paul Eggert <eggert@cs.ucla.edu> + + * chmod-safer.m4: Remove. + * lchmod.m4: New file. + * jm-macros.m4 (gl_MACROS): Require gl_FUNC_LCHMOD. + Don't require gl_CHDIR_SAFER. + +2005-12-21 Jim Meyering <jim@meyering.net> + + * chdir-safer.m4: New file. + * jm-macros.m4: Require gl_CHDIR_SAFER. + +2005-12-05 Andreas Gruenbacher <agruen@suse.de> + + * acl.m4 (AC_FUNC_ACL): Add POSIX ACL and Linux-specific acl tests. + +2005-12-14 Jim Meyering <jim@meyering.net> + + * fprintftime.m4: New file. + * jm-macros.m4: Require gl_FPRINTFTIME. + +2005-12-13 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4 (AM_STDBOOL_H): Substitute HAVE__BOOL again, reverting + 2005-11-25 change. + (AC_HEADER_STDBOOL): Check for buggy compiler that + has _Bool but mishandles _Bool |= _Bool. + +2005-12-07 Paul Eggert <eggert@cs.ucla.edu> + + * stat-time.m4 (gl_STAT_TIME): Add check for + TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC, to fix IRIX 5.3 + porting problem reported by Georg Schwarz in + <http://lists.gnu.org/archive/html/bug-coreutils/2005-12/msg00083.html>. + +2005-12-02 Paul Eggert <eggert@cs.ucla.edu> + + * socklen.m4 (gl_TYPE_SOCKLEN_T): Renamed from gl_SOCKLEN_T. + Use implementation from Albert Chin, with some + comments/corrections by Stepan Kasal and myself. + * jm-macros.m4 (gl_MACROS): Adjust to renaming. + +2005-12-01 Paul Eggert <eggert@cs.ucla.edu> + + * regex.m4 (gl_REGEX): Check whether off_t can be used in a switch + statement, to work around an HP-UX 10.20 compiler bug reported by + Peter O'Gorman. + +2005-12-01 Bruno Haible <bruno@clisp.org> + + Import from gnulib. + * mbchar.m4 (gl_MBCHAR): Check for wchar.h and wctype.h. Don't compile + mbchar.c if they are not both present. + * mbiter.m4 (gl_MBITER): Likewise. + * strstr.m4 (gl_PREREQ_STRSTR): Use AC_REQUIRE. + * strcase.m4 (gl_PREREQ_STRCASECMP): Likewise. + +2005-11-30 Jim Meyering <jim@meyering.net> + + * openat.m4 (gl_FUNC_OPENAT): Require and compile mkdirat.c. + Require openat-priv.h. + +2005-11-25 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4 (AM_STDBOOL_H): Don't bother substituting HAVE__BOOL; + no longer needed. + (gl_STDBOOL_H): New macro, from gnulib. + (AC_HEADER_STDBOOL): Sync with gnulib. + +2005-11-20 Jim Meyering <jim@meyering.net> + + * c.m4: Remove spurious space-before-TAB. + + * euidaccess-stat.m4 (gl_EUIDACCESS_STAT): New file/macro. + * prereq.m4: Require gl_EUIDACCESS_STAT. + +2005-11-18 Paul Eggert <eggert@cs.ucla.edu> + + * c.m4: New file, to work around bugs in AIX cc. + Problem reported by James Lemley. This file can go away + after Autoconf 2.60 comes out. + +2005-11-10 Paul Eggert <eggert@cs.ucla.edu> + + * gethrxtime.m4 (gl_PREREQ_GETHRXTIME): Don't require AC_HEADER_TIME + or gettimeofday; no longer needed. + +2005-10-30 Paul Eggert <eggert@cs.ucla.edu> + + * chdir-long.m4 (gl_FUNC_CHDIR_LONG): Revamp wording and local + variables to suggest the intended function of the PATH_MAX check. + +2005-10-30 Kean Johnston <jkj@sco.com> + + Trivial changes to support SCO systems. + * chdir-long.m4 (gl_FUNC_CHDIR_LONG): Check for MAXPATHLEN as well + as PATH_MAX. + * fpending.m4 (gl_FUNC_FPENDING): Correct check for SCO systems, + where __ptr is null when no I/O is pending. + +2005-08-27 David Madore <david.madore@ens.fr> + + * sha256.m4, sha512.m4: New files. + * prereq.m4: Add gl_SHA256 and gl_SHA512. + +2005-10-07 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4 (AC_HEADER_STDBOOL): Add an "#ifdef __xlc__" test, + since yesterday's attempt didn't work. + +2005-10-06 Paul Eggert <eggert@cs.ucla.edu> + + * stdbool.m4 (AC_HEADER_STDBOOL): Check that bool + promotes to int, not unsigned int, to catch the AIX 5.3 + compiler bug. + +2005-10-02 Alfred M. Szmidt <ams@gnu.org> + + * chdir-long.m4 (gl_FUNC_CHDIR_LONG): Compare $gl_have_path... + against `yes', rather than just testing for nonempty. + +2005-10-01 Simon Josefsson <jas@extundo.com> + + * getaddrinfo.m4: Include sys/types.h for sys/socket.h, on FreeBSD + and Darwin. + +2005-10-01 Simon Josefsson <jas@extundo.com> + + * getaddrinfo.m4 (gl_PREREQ_GETADDRINFO): Use AC_GNU_SOURCE, + GNU declares only getaddrinfo as an (POSIX) extension. + Check for sys/types.h, sys/socket.h, and netdb.h too, + needed by getaddrinfo.h. + Check if getaddrinfo, freeaddrinfo and gai_strerror are + declared by the POSIX headers. + Check if struct addrinfo is declared. + +2005-10-01 Jim Meyering <jim@meyering.net> + + * getaddrinfo.m4 (gl_GETADDRINFO): Look for getservbyname in these + libraries [inet nsl socket xnet]. Nelson Beebe reported that with + native cc on Solaris 7, getaddrinfo.c requires -lsocket. + +2005-09-29 Paul Eggert <eggert@cs.ucla.edu> + + * openat.m4 (gl_FUNC_OPENAT): Check for fdopendir. + +2005-09-28 Paul Eggert <eggert@cs.ucla.edu> + + * ullong_max.m4 (gl_ULLONG_MAX): Simplify so that it merely + defines ULONG_MAX_LT_ULLONG_MAX. Thomas M.Ott reports that + ULLONG_MAX doesn't work with 2.7.2.1. + +2005-09-26 Jim Meyering <jim@meyering.net> + + * utimes.m4 (gl_FUNC_UTIMES): Detect the version of utimes + from glibc-2.2.5 that fails for read-only files. + +2005-09-24 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_MACROS): Check for fchmod and fchown. + + * mbchar.m4 (gl_MBCHAR): Check for wchar.h and wctype.h, and + don't compile mbchar.c unless both headers exist. See + <http://lists.gnu.org/archive/html/bug-gnulib/2005-09/msg00242.html>. + +2005-09-24 Jim Meyering <jim@meyering.net> + + * getaddrinfo.m4 (gl_GETADDRINFO): Check for gethostbyname + in the inet and nsl libraries. Required on Solaris 5.7. + +2005-09-23 Paul Eggert <eggert@cs.ucla.edu> + + * regex.m4 (gl_REGEX): If replacing, define regcomp to rpl_regcomp, + and similarly for the other external symbols. Problem reported + by James Gallager. + + * fnmatch.m4 (_AC_FUNC_FNMATCH_IF): Catch Sun Studio 10u1 on Linux + bug reported by Jim Meyering. + + * jm-macros.m4 (gl_MACROS): Don't require gl_CHECK_TYPE_STRUCT_UTIMBUF. + (gl_CHECK_ALL_HEADERS): Don't check for utime.h. + * utimens.m4 (gl_UTIMENS): Check for futimesat (Solaris 10). + * getaddrinfo.m4 (gl_PREREQ_GETADDRINFO): Undo previous change; + not needed, since socklen is a prerequisite module. + +2005-09-23 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (gl_MACROS): AC_REQUIRE([gl_SOCKLEN_T]) here, + now that it's no longer required by getaddrinfo.m4. + + Correct build failure (socklen_t not defined) on at least + mips-sgi-irix6.5 and alphaev67-dec-osf5.1. + * getaddrinfo.m4 (gl_PREREQ_GETADDRINFO): Require gl_SOCKLEN_T. + * socklen.m4: New file, from gnulib. + +2005-09-22 Paul Eggert <eggert@cs.ucla.edu> + + * getaddrinfo.m4 (gl_PREREQ_GETADDRINFO): Check for netinet/in.h. + +2005-09-21 Paul Eggert <eggert@cs.ucla.edu> + + * check-decl.m4 (_gl_DECL_HEADERS): Don't bother checking for + standard C headers, or for headers we no longer use. + * jm-macros.m4 (gl_MACROS): Don't require gl_FUNC_XANSTRFTIME; + no longer needed. + (gl_CHECK_ALL_HEADERS): Don't check for memory.h, mntent.h, mnttab.h, + netdb.h, stdlib.h, stdint.h, string.h, sys/filsys.h, sys/fs/s5param.h, + sys/fs_types.h, sys/fstyp.h, sys/mntent.h, sys/socket.h, sys/stafs.h, + sys/timeb.h, unistd.h. No longer needed. + * prereq.m4 (gl_PREREQ): Require gl_FUNC_GETLINE rather than + AM_FUNC_GETLINE. Require gl_FUNC_GETPASS_GNU rather than + gl_FUNC_GETPASS. Require gl_MBCHAR and gl_MBITER. + + * xanstrftime.m4: Remove; no longer used. + + * getaddrinfo.m4, getdelim.m4, mbchar.m4, mbiter.m4, sockpfaf.m4: + New files, from gnulib. + + * backupfile.m4, bison.m4, calloc.m4: + * canonicalize.m4, chown.m4, cloexec.m4, dup2.m4: + * fileblocks.m4, free.m4, ftruncate.m4, fts.m4: + * getcwd.m4, getopt.m4, getpagesize.m4, getpass.m4: + * getugroups.m4, group-member.m4, idcache.m4: + * lib-link.m4, lib-prefix.m4, link-follow.m4: + * mkdir-p.m4, mkstemp.m4, mktime.m4, mountlist.m4: + * nanosleep.m4, onceonly_2_57.m4, pathmax.m4: + * physmem.m4, posixver.m4, putenv.m4, safe-read.m4: + * same.m4, save-cwd.m4, stdio-safer.m4, strndup.m4: + * strnlen.m4, unistd-safer.m4, unlinkdir.m4: + * userspec.m4, xreadlink.m4, xstrtod.m4: + Sync from gnulib. + + * canon-host.m4, getline.m4, mbrtowc.m4, strcase.m4, strstr.m4: + Nontrivial sync from gnulib. + +2005-09-16 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_CHECK_ALL_TYPES): Do not require + AC_STRUCT_ST_MTIM_NSEC; it's obsolete. + * prereq.m4 (gl_PREREQ): Require gl_STAT_TIME. + + Import from gnulib. + * st_mtim.m4: Remove. Superseded by... + * stat-time.m4: New file. + * timespec.m4 (gl_TIMESPEC): Require AC_C_INLINE. + Do not invoke AC_STRUCT_ST_MTIM_NSEC; no longer needed. + +2005-09-13 Jim Meyering <jim@meyering.net> + + * autobuild.m4: New file, from autobuild. + +2005-09-09 Paul Eggert <eggert@cs.ucla.edu> + + * regex.m4: Import from gnulib, to fix some 64-bit bugs. + +2005-09-01 Jim Meyering <jim@meyering.net> + + * lchown.m4: Require gl_FUNC_CHOWN, for the definition of + CHOWN_MODIFIES_SYMLINK, which is used by lchown.c. + Require gl_STAT_MACROS, too. + +2005-08-27 Jim Meyering <jim@meyering.net> + + * fcntl-safer.m4, stdio-safer.m4, unistd-safer.m4: Sync from gnulib. + +2005-08-01 Jim Meyering <jim@meyering.net> + + * xanstrftime.m4 (gl_FUNC_XANSTRFTIME): New file/macro. + * jm-macros.m4: Require gl_FUNC_XANSTRFTIME. + +2005-07-25 Paul Eggert <eggert@cs.ucla.edu> + + * regex.m4 (gl_INCLUDED_REGEX): Use AC_RUN_ELSE instead of the + obsolescent AC_TRY_RUN. Include the default includes files, for 'exit'. + +2005-07-21 Paul Eggert <eggert@cs.ucla.edu> + + * getdate.m4 (gl_C_COMPOUND_LITERALS): New macro. + (gl_GETDATE): Use it. + +2005-07-13 Paul Eggert <eggert@cs.ucla.edu> + + * lib-check.m4 (cu_LIB_CHECK): Remove no-longer-necessary check + for fesetround. + +2005-07-08 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_CHECK_ALL_HEADERS): Check for stropts.h. + +2005-07-07 Paul Eggert <eggert@cs.ucla.edu> + + * backupfile.m4 (gl_BACKUPFILE): Use AC_CHECK_FUNCS_ONCE on pathconf. + * same.m4 (gl_SAME): Likewise. + Require AC_SYS_LONG_FILE_NAMES; bug reported by Gerrit P. Haase. + + Switch to Isamu Hasegawa's implementation of regex, which is + now in gnulib. + * regex.m4: Import from gnulib. + +2005-07-04 Paul Eggert <eggert@cs.ucla.edu> + + * prereq.m4 (gl_PREREQ): Don't require gl_TYPEOF; no longer needed. + * typeof.m4: Remove; no longer needed. + +2005-07-03 Paul Eggert <eggert@cs.ucla.edu> + + Remove the dependency of the strftime module on the tzset module. + * strftime.m4 (gl_FUNC_STRFTIME): Don't require gl_FUNC_TZSET_CLOBBER. + * prereq.m4 (gl_PREREQ): Add gl_FUNC_TZSET_CLOBBER. + +2005-07-03 Jim Meyering <jim@meyering.net> + + * lstat.m4 (gl_FUNC_LSTAT): New file, from gnulib. + Use AC_LIBSOURCES to require lstat.c and lstat.h. + Remove obsolete comment. + +2005-07-03 Paul Eggert <eggert@cs.ucla.edu> + + * fts.m4 (gl_FUNC_FTS_CORE): Don't require + AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK; that's now the lstat + module's job. + * jm-macros.m4 (gl_MACROS): Likewise. + * prereq.m4 (gl_PREREQ): Add gl_FUNC_LSTAT. + +2005-07-03 Jim Meyering <jim@meyering.net> + + * fcntl-safer.m4 (gl_FCNTL_SAFER): Add fcntl--.h to the list. + * stdio-safer.m4 (gl_STDIO_SAFER): Add stdio--.h to the list. + * stdlib-safer.m4 (gl_STDLIB_SAFER): Add stdlib--.h to the list. + * unistd-safer.m4 (gl_UNISTD_SAFER): Add unistd--.h to the list. + +2005-07-02 Paul Eggert <eggert@cs.ucla.edu> + + Cleanup to isolate "safer" functions to a small part of the code. + * fcntl-safer.m4, fd-reopen.m4, stdlib-safer.m4: New files. + * prereq.m4 (gl_PREREQ): Require gl_FCNTL_SAFER, + gl_FD_REOPEN, gl_STDLIB_SAFER. + +2005-07-02 Jim Meyering <jim@meyering.net> + + * check-decl.m4, chown.m4, free.m4, getcwd.m4, link-follow.m4: + * mktime.m4: Assume HAVE_UNISTD_H, i.e., that <unistd.h> works. + +2005-07-01 Jim Meyering <jim@meyering.net> + + * chown.m4, cloexec.m4, dup2.m4, fsusage.m4, getcwd.m4, jm-macros.m4: + * mkstemp.m4, mountlist.m4, save-cwd.m4, unistd-safer.m4: + Don't check for fcntl.h anymore. Now we assume it exists and is usable. + + * getcwd-path-max.m4 (gl_FUNC_GETCWD_PATH_MAX): + Assume HAVE_FCNTL_H (i.e., include <fcntl.h> unconditionally, + and don't check for fcntl.h). + +2005-06-30 Jim Meyering <jim@meyering.net> + + * stdopen.m4 (gl_STDOPEN): New file/macro. + * jm-macros.m4: Require it. + +2005-06-26 Jim Meyering <jim@meyering.net> + + * diacrit.m4 (gl_DIACRIT): New file/macro. + * jm-macros.m4: Require it. + +2005-06-25 Jim Meyering <jim@meyering.net> + + * version-etc.m4 (gl_VERSION_ETC): New file/macro. + * jm-macros.m4: Require it. + + * root-dev-ino.m4 (gl_ROOT_DEV_INO): New file/macro. + * jm-macros.m4: Require it. + +2005-06-23 Jim Meyering <jim@meyering.net> + + * xreadlink.m4: Use AC_LIBSOURCES and AC_LIBOBJ. + * xstrtod.m4: Likewise. + +2005-06-19 Jim Meyering <jim@meyering.net> + + * xgetcwd.m4 (gl_XGETCWD): Add `AC_LIBOBJ([xgetcwd])'. + Register xgetcwd.c and xgetcwd.h via AC_LIBSOURCES. + + * xfts.m4 (gl_FUNC_XFTS): New file/macro. + * jm-macros.m4: Require it. + +2005-06-13 Jim Meyering <jim@meyering.net> + + * openat.m4 (gl_FUNC_OPENAT): Add openat-die.c. + +2005-06-02 Paul Eggert <eggert@cs.ucla.edu> + + * extensions.m4: Sync from gnulib; this defines + _POSIX_PTHREAD_SEMANTICS for the benefit of Solaris. + +2005-06-01 Paul Eggert <eggert@cs.ucla.edu> + + * mkdir-p.m4: Renamed from makepath.m4. + (gl_MKDIR_PARENTS): Renamed from gl_MAKEPATH. All uses changed. + Rename files from makepath.c to mkdir-p.c, and from + makepath.h to mkdir-p.h. + * filenamecat.m4: Renamed from path-concat.m4. + (gl_FILE_NAME_CONCAT): Renamed from gl_PATH_CONCAT. All uses changed. + Rename files from path-concat.c to filenamecat.c, + and from path-concat.h to filenamecat.h. + * getcwd-path-max.m4: Don't use "path" or "filename" to mean + "file name" in local variables or comments. + * rename.m4: Likewise. + +2005-05-30 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_CHECK_ALL_HEADERS): Check for priv.h. + +2005-05-27 Paul Eggert <eggert@cs.ucla.edu> + + * fts.m4 (gl_FUNC_FTS_CORE): Don't check for inttypes.h or stdint.h, + and don't require gt_INTTYPES_PRI. + + * prereq.m4 (gl_PREREQ): Require gl_STRINTCMP, gl_STRNUMCMP. + * strnumcmp.m4: New file. + +2005-05-20 Paul Eggert <eggert@cs.ucla.edu> + + * fts.m4 (gl_FUNC_FTS_CORE): Renamed from gl_FUNC_FTS. + (gl_FUNC_FTS, gl_FUNC_FTS_LGPL): New macros. + +2005-05-20 Eric Blake <ebb9@byu.net> (tiny change) + + * chown.m4 (gl_FUNC_CHOWN): Correct sense of test for honoring IDs + of -1. + +2005-05-18 Paul Eggert <eggert@cs.ucla.edu> + + * canonicalize.m4 (AC_FUNC_CANONICALIZE_FILE_NAME]): + Don't check for stddef.h. + * fts.m4 (gl_FUNC_FTS): Don't require AC_HEADER_STDC, as we + don't use its results. + Don't check for fcntl.h, stddef.h, stdlib.h, string.h, unistd.h, + since we include them unconditionally. Don't require + AM_STDBOOL_H, since stdbool is a prerequisite. + Don't require AC_C_CONST, AC_TYPE_SIZE_T or check for ptrdiff_t + since we assume C89 or better. + Don't require AC_FUNC_CLOSEDIR_VOID, AC_FUNC_LSTAT, or AC_FUNC_STAT, + as we don't use their results. + Don't check for fchdir, memmove, memset, strrchr, as we use + them unconditionally. + * gettimeofday.m4 (AC_FUNC_GETTIMEOFDAY_CLOBBER): Don't define + GETTIMEOFDAY_CLOBBERS_LOCALTIME_BUFFER, since nobody uses it. + * jm-macros.m4 (gl_MACROS): Require AC_FUNC_LSTAT. + Don't check for memcpy, strchr, strerror, strrchr, float.h. + Use AC_REQUIRE on AM_LANGINFO_CODESET and gl_GLIBC21 rather + than invoking them directly. + (gl_CHECK_ALL_HEADERS): Don't check for errno.h, float.h, + limits.h, stddef.h, since we assume C89 now. + * lib-check.m4: Add copyright notice. + (cu_LIB_CHECK): Renamed from gl_LIB_CHECK. + Don't check for sqrt; factor no longer needs it. + Revamp tests for floor, modf, rint, to define SEQ_LIBM. + Redo tests for fesetround to act like the other wons. + Use "cu_saved_libs" for local var name, not "ac_su_saved_lib". + * prereq.m4: Add copyright notice. + (gl_PREREQ): Add gl_LOCALCHARSET. + * localcharset.m4: New file, from gnulib. + +2005-05-16 Jim Meyering <jim@meyering.net> + + * fts.m4 (gl_FUNC_FTS): Don't require AC_FUNC_MALLOC or + AC_FUNC_REALLOC. They are not needed. + +2005-05-14 Jim Meyering <jim@meyering.net> + + * unlinkdir.m4: Register unlinkdir.c and unlinkdir.h via AC_LIBSOURCES. + Add `AC_LIBOBJ([unlinkdir])'. + +2005-05-14 Paul Eggert <eggert@cs.ucla.edu> + + * prereqs.m4 (gl_PREREQ): Require gl_UNLINKDIR. + * unlinkdir.m4: New file. + +2005-05-13 Jim Meyering <jim@meyering.net> + + * prereq.m4: Don't require gl_FUNC_STAT or gl_FUNC_LSTAT. + * stat.m4: Remove unnecessary file. + * lstat.m4: Remove unnecessary file. + + * readdir.m4 (GL_FUNC_READDIR): Remove, now that remove.c no + longer needs it. + * jm-macros.m4 (gl_MACROS): Don't require GL_FUNC_READDIR. + +2005-05-10 Derek Price <derek@ximbiot.com> + + * getopt.m4 (gl_GETOPT): Check for Solaris 10 bug, not decl, when + possible. + +2005-05-05 Paul Eggert <eggert@cs.ucla.edu> + + * getopt.m4 (gl_GETOPT): Check for Solaris 10 getopt, and avoid + needless checks. + +2005-05-01 Paul Eggert <eggert@cs.ucla.edu> + + * getpass.m4, gettext.m4: Sync from gnulib. + +2005-04-28 Paul Eggert <eggert@cs.ucla.edu> + + * euidaccess.m4 (gl_PREREQ_EUIDACCESS): Don't require AC_HEADER_STAT. + * jm-macros.m4 (gl_CHECK_ALL_TYPES): Likewise. + * lchown.m4 (gl_FUNC_CHOWN): Likewise. + (gl_PREREQ_CHOWN): Remove. + * lstat.m4 (gl_FUNC_LSTAT): Require AC_FUNC_LSTAT instead of calling + it. Don't require AC_HEADER_STAT. + (gl_PREREQ_LSTAT): Remove. + * mkstemp.m4 (gl_PREREQ_TEMPNAME): Check stdint.h only once. + Don't require AC_HEADER_STAT. + * prereq.m4 (gl_PREREQ): Require gl_STAT_MACROS. + * rmdir.m4 (gl_FUNC_RMDIR): Don't require AC_HEADER_STAT. + (gl_PREREQ_RMDIR): Remove. + +2005-04-27 Paul Eggert <eggert@cs.ucla.edu> + + * stat-macros.m4: New file, from gnulib, except that gl_STAT_MACROS + also requires AC_HEADER_STAT. + * canonicalize.m4 (AC_FUNC_CANONICALIZE_FILE_NAME): Don't + mention stat-macros.h or AC_HEADER_STAT, since we'll make + the stat-macros module a prerequisite. + * file-type.m4 (gl_FILE_TYPE): Likewise. + * filemode.m4 (gl_FILEMODE): Likewise. + * makepath.m4 (gl_MAKEPATH): Likewise. + * modechange.m4 (gl_MODECHANGE): Likewise. + +2005-04-18 Paul Eggert <eggert@cs.ucla.edu> + + * clock_time.m4 (gl_CLOCK_TIME): Use gl_ rather than fetish_ for + variable names. + * jm-macros.m4 (gl_MACROS): Use gl_ or coreutils_ rather than fetish_ + for prefixes. + * rmdir-errno.m4 (gl_FUNC_RMDIR_NOTEMPTY): Renamed from + fetish_FUNC_RMDIR_NOTEMPTY. All uses changed. Use gl_ for + variable prefixes. + +2005-04-11 Paul Eggert <eggert@cs.ucla.edu> + + Add bulletproofing for cases where stdin, stdout, or stderr are closed. + * fcntl-safer.m4: Remove. + * stdio-safer.m4 (gl_STDIO_SAFER): Use AC_LIBSOURCES and AC_LIBOBJ. + * unistd-safer.m4 (gl_UNISTD_SAFER): Likewise. + Invoke gl_PREREQ_FD_SAFER. + (gl_PREREQ_FD_SAFER): New macro. + * prereq.m4 (gl_PREREQ): Don't require gl_FCNTL_SAFER. + +2005-04-08 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_MACROS): Check for siginterrupt. + * nanosleep.m4 (gl_PREREQ_NANOSLEEP): Likewise. + * jm-macros.m4 (gl_CHECK_ALL_TYPES): Do not require AC_TYPE_SIGNAL. + +2005-03-30 Paul Eggert <eggert@cs.ucla.edu> + + * readutmp.m4 (gl_READUTMP): Require AC_C_INLINE. + Use AC_CHECK_HEADERS_ONCE and AC_CHECK_FUNCS_ONCE when possible. + Remove duplicate call to AC_LIBOBJ(readutmp). + (gl_PREREQ_READUTMP): Remove. All uses inlined. + +2005-03-28 Eric Blake <ebb9@byu.net> (tiny change) + + * getcwd-path-max.m4: Return success on systems such as Cygwin + where no absolute path name can be longer than PATH_MAX. + +2005-03-21 Paul Eggert <eggert@cs.ucla.edu> + + * canonicalize.m4 (AC_FUNC_CANONICALIZE_FILE_NAME): Add stat-macros.h + to AC_LIBSOURCES. + * file-type.m4 (gl_FILE_TYPE): Likewise. + * filemode.m4 (gl_FILEMODE): Likewise. + * makepath.m4 (gl_MAKEPATH): Likewise. + * xstrtol.m4 (gl_XSTRTOL): Add xstrtoul.c to AC_LIBSOURCES. + Add xstrtoul to AC_LIBOBJ. + + * onceonly.m4: Remove. + * onceonly_2_57.m4: Add. + This change shrinks "configure" by over 300 kB. + + Another change imported from gnulib. + * memcasecmp.m4 (gl_MEMCASECMP): Renamed from gl_FUNC_MEMCASECMP. + All uses changed. Require AC_HEADER_STDC instead of invoking it. + Remove check for stddef.h, size_t, const, since we now assume + C89 or better. + +2005-03-20 Paul Eggert <eggert@cs.ucla.edu> + + * gettext.m4, inttypes.m4, isc-posix.m4, lib-link.m4, nls.m4, + onceonly.m4, po.m4: Sync from gnulib. + +2005-03-17 Jim Meyering <jim@meyering.net> + + * typeof.m4 (gl_TYPEOF): New file/macro. + * prereq.m4 (gl_PREREQ): Require gl_TYPEOF. + +2005-03-10 Jim Meyering <jim@meyering.net> + + * save-cwd.m4 (gl_SAVE_CWD): Check for fchdir. + + * human.m4 (gl_HUMAN): Add intprops.h. + * inttostr.m4 (gl_INTTOSTR): Likewise + * sig2str.m4 (gl_FUNC_SIG2STR): Likewise. + * userspec.m4 (gl_USERSPEC): Likewise. + * utimecmp.m4 (gl_UTIMECMP): Likewise. + * xnanosleep.m4 (gl_XNANOSLEEP): Likewise. + + * xstrtol.m4 (gl_XSTRTOL): Use AC_LIBSOURCES and AC_LIBOBJ + to list the required files. + +2005-03-09 Jim Meyering <jim@meyering.net> + + * argmatch.m4, cycle-check.m4: New files. + * prereq.m4: Require their macros. + +2005-03-01 Paul Eggert <eggert@cs.ucla.edu> + + * xnanosleep.m4 (gl_XNANOSLEEP): Remove configuration attempting + to detect nanosleep bug. + +2005-02-25 Paul Eggert <eggert@cs.ucla.edu> + + * gettext.m4, inttypes-pri.m4, lib-link.m4, lib-prefix.m4, nls.m4, + po.m4, progtest.m4: Sync from gnulib. + +2005-02-23 Jim Meyering <jim@meyering.net> + + * extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Revert yesteday's change. + Thanks to Bruno Haible for catching it. + +2005-02-22 Jim Meyering <jim@meyering.net> + + * extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Fix typo: s/ifndef/ifdef/. + +2005-02-21 Paul Eggert <eggert@cs.ucla.edu> + + * xnanosleep.m4: New file. + * gethrxtime.m4 (gl_PREREQ_GETHRXTIME): Require gl_CLOCK_TIME, + gl_USE_SYSTEM_EXTENSIONS. Check whether CLOCK_MONOTONIC is + defined, and set LIB_GETHRXTIME accordingly. This is needed + for newer GNU/Linux systems that have clock_gettime, so that they + link in the appropriate library for it when needed. + * prereq.m4 (gl_PREREQ): Require gl_XNANOSLEEP. + +2005-02-20 Paul Eggert <eggert@cs.ucla.edu> + + * gethrxtime.m4: New file. + * gettime.m4 (gl_GETTIME): Check for nanotime. + * jm-macros.m4 (gl_MACROS): Don't check for gethrtime. + * prereq.m4 (gl_PREREQ): Require gl_GETHRXTIME. + +2005-02-20 Jim Meyering <jim@meyering.net> + + * stripslash.m4: New file. + * linebuffer.m4: New file. + * prereq.m4 (gl_PREREQ): Require gl_STRIPSLASH and gl_LINEBUFFER. + +2005-02-11 Jim Meyering <jim@meyering.net> + + * inttostr.m4 (gl_INTTOSTR): Use AC_LIBSOURCES to list the + required source files. + +2005-02-09 Jim Meyering <jim@meyering.net> + + * getcwd.m4 (gl_FUNC_GETCWD_NULL): Use AC_LIBSOURCES to list the + required source files. + +2005-02-08 Jim Meyering <jim@meyering.net> + + * memcasecmp.m4 (gl_FUNC_MEMCASECMP): New file and macro. + * prereq.m4: Require gl_FUNC_MEMCASECMP. + +2005-02-07 Jim Meyering <jim@meyering.net> + + * fts.m4 (gl_FUNC_FTS): New file and macro. + * prereq.m4: Require gl_FUNC_FTS. + +2005-02-06 Jim Meyering <jim@meyering.net> + + * memrchr.m4 (gl_FUNC_MEMRCHR): Check for declaration of memrchr. + + * chdir-long.m4 (gl_PREREQ_CHDIR_LONG): Depend on gl_FUNC_MEMRCHR. + +2005-02-03 Paul Eggert <eggert@cs.ucla.edu> + + * memrchr.m4 (gl_FUNC_MEMRCHR): Add AC_LIBSOURCES, for memrchr.h. + +2005-01-29 Jim Meyering <jim@meyering.net> + + Use AC_LIBSOURCES to list corresponding source (.c, .h, .y) files + so that automake automatically knows to distribute those files. + Use AC_LIBOBJ to ensure that automake automatically knows the + names of always-compiled source files. Automake already knows + the names of conditionally compiled ones, e.g., due to preexisting + uses of AC_LIBOBJ and AC_REPLACE_FUNCS. + [This is a start. Many still remain to be fixed...] + + * acl.m4, backupfile.m4, c-strtod.m4, canon-host.m4: + * canonicalize.m4, cloexec.m4, closeout.m4, dirfd.m4, dirname.m4: + * exclude.m4, exitfail.m4, file-type.m4, filemode.m4, fpending.m4: + * fsusage.m4, getdate.m4, getline.m4, getpagesize.m4, getpass.m4: + * gettime.m4, getugroups.m4, group-member.m4, hard-locale.m4: + * hash.m4, human.m4, idcache.m4, long-options.m4, makepath.m4: + * md5.m4, memcoll.m4, modechange.m4, mountlist.m4, nanosleep.m4: + * path-concat.m4, pathmax.m4, physmem.m4, posixtm.m4, posixver.m4: + * quote.m4, quotearg.m4, readtokens.m4, readutmp.m4, safe-read.m4: + * safe-write.m4, same.m4, savedir.m4, setenv.m4, settime.m4: + * sha1.m4, sig2str.m4, strdup.m4, strftime.m4, strndup.m4: + * strverscmp.m4, timespec.m4, unlocked-io.m4, userspec.m4: + * utimecmp.m4, utimens.m4, xalloc.m4, yesno.m4: + +2005-01-27 Jim Meyering <jim@meyering.net> + + * hash-pjw.m4 (gl_HASH_PJW): New file/macro. + * basename.m4 (gl_BASENAME): New file/macro. + * prereq.m4: Require gl_HASH_PJW and gl_BASENAME. + +2005-01-23 Paul Eggert <eggert@cs.ucla.edu> + + Sync from gnulib. + * acl.m4, afs.m4, alloca.m4, assert.m4, atexit.m4, + backupfile.m4, bison.m4, c-strtod.m4, calloc.m4, + canon-host.m4, canonicalize.m4, clock_time.m4, cloexec.m4, + closeout.m4, d-ino.m4, d-type.m4, dirfd.m4, dirname.m4, + dos.m4, dup2.m4, error.m4, euidaccess.m4, exclude.m4, + exitfail.m4, extensions.m4, fcntl-safer.m4, file-type.m4, + fileblocks.m4, filemode.m4, fnmatch.m4, fpending.m4, free.m4, + fstypename.m4, fsusage.m4, ftruncate.m4, getcwd-path-max.m4, + getcwd.m4, getdate.m4, getgroups.m4, gethostname.m4, + getline.m4, getndelim2.m4, getopt.m4, getpagesize.m4, + getpass.m4, gettime.m4, gettimeofday.m4, getugroups.m4, + getusershell.m4, group-member.m4, hard-locale.m4, hash.m4, + host-os.m4, human.m4, idcache.m4, inttostr.m4, jm-winsz1.m4, + jm-winsz2.m4, link-follow.m4, long-options.m4, ls-mntd-fs.m4, + lstat.m4, makepath.m4, md5.m4, memchr.m4, memcmp.m4, + memcoll.m4, memcpy.m4, memmove.m4, memrchr.m4, memset.m4, + mkdir-slash.m4, mkstemp.m4, mktime.m4, modechange.m4, + mountlist.m4, nanosleep.m4, obstack.m4, path-concat.m4, + pathmax.m4, perl.m4, physmem.m4, posixtm.m4, posixver.m4, + putenv.m4, quote.m4, quotearg.m4, readdir.m4, readtokens.m4, + readutmp.m4, regex.m4, rename.m4, restrict.m4, rmdir-errno.m4, + rmdir.m4, rpmatch.m4, same.m4, savedir.m4, settime.m4, + sha1.m4, sig2str.m4, st_dm_mode.m4, st_mtim.m4, stat.m4, + stdio-safer.m4, strdup.m4, strftime.m4, strndup.m4, + strnlen.m4, strtod.m4, strtoimax.m4, strtol.m4, strtoll.m4, + strtoul.m4, strtoull.m4, strtoumax.m4, strverscmp.m4, + timespec.m4, tm_gmtoff.m4, tzset.m4, uint32_t.m4, + uintptr_t.m4, unistd-safer.m4, unlink-busy.m4, unlocked-io.m4, + uptime.m4, userspec.m4, utimbuf.m4, utime.m4, utimecmp.m4, + utimens.m4, utimes-null.m4, xalloc.m4, xgetcwd.m4, + xreadlink.m4, xstrtod.m4, xstrtoimax.m4, xstrtol.m4, + xstrtoumax.m4, yesno.m4: + Use an all-permissive copyright notice, recommended by RMS. + +2005-01-21 Bruno Haible <bruno@clisp.org> + + Sync from gnulib. + * allocsa.m4, chdir-long.m4, chown.m4, codeset.m4, eealloc.m4, + eoverflow.m4, glibc21.m4, iconv.m4, intmax_t.m4, inttypes_h.m4, + lchown.m4, lib-ld.m4, lib-link.m4, lib-prefix.m4, longdouble.m4, + longlong.m4, mbrtowc.m4, mbstate_t.m4, mbswidth.m4, mempcpy.m4, + openat.m4, readlink.m4, safe-read.m4, safe-write.m4, setenv.m4, + signed.m4, ssize_t.m4, stdbool.m4, stdint_h.m4, stpcpy.m4, + strcase.m4, strcspn.m4, strpbrk.m4, strstr.m4, uintmax_t.m4, + ullong_max.m4, ulonglong.m4, unicodeio.m4, utimes.m4, + vasnprintf.m4, vasprintf.m4, wchar_t.m4, wint_t.m4: + Use an all-permissive copyright notice, recommended by RMS. + +2005-01-20 Paul Eggert <eggert@cs.ucla.edu> + + * save-cwd.m4 (gl_SAVE_CWD): Remove check for fcntl; we now assume it. + +2005-01-14 Jim Meyering <jim@meyering.net> + + * utimes.m4: Work around tests/touch/empty-file failure on a system + (sparc64, Linux-2.4.28, glibc-2.3.3) that didn't honor utimes' + NULL-means-set-to-current-time semantics. + Remove temporary file immediately, rather than waiting + for configure's at-exit trap code to do it. + +2005-01-04 Jim Meyering <jim@meyering.net> + + * chown.m4 (gl_FUNC_CHOWN): When cross-compiling, assume that chown + is sane and DOES follow symlinks. Besides, testing 20 different + systems found no broken chown implementations. + Prompted by a change in rsync's copy of this macro. + +2005-01-03 Paul Eggert <eggert@cs.ucla.edu> + + * ullong_max.m4: New file. + * jm-macros.m4 (gl_MACROS): Require gl_ULLONG_MAX. + +2005-01-03 Jim Meyering <jim@meyering.net> + + * mkstemp.m4 (gl_FUNC_MKSTEMP): Don't `cd' into the temporary + subdirectory. That would make the subsequent AC_TRY_RUN macro fail, + for lack of the ./confdefs.h file. Instead, use the temporary + directory name as a prefix on the template string. + Include <unistd.h> for the declaration of close. + Remove `.tmp' suffix; mkstemp requires that XXXXXX be a suffix. + +2004-12-23 Paul Eggert <eggert@cs.ucla.edu> + + * getdate.m4 (gl_GETDATE): Remove AC_FUNC_ALLOCA. + +2004-12-21 Jim Meyering <jim@meyering.net> + + * mkstemp.m4 (gl_FUNC_MKSTEMP): Remove temporary directory right + away, rather than waiting for configure's at-exit trap code to do it. + Suggestion from Stepan Kasal. + +2004-12-20 Jim Meyering <jim@meyering.net> + + * mkstemp.m4: Do the `cd' in a subshell. + + * mkstemp.m4: Rather than using "conftestXXXXXX" as the mkstemp + template, use a temporary directory and an 8.3-friendly template + to avoid trouble on systems like DJGPP. + Reported by Juan M. Guerrero via Stepan Kasal. + +2004-12-19 Paul Eggert <eggert@cs.ucla.edu> + + * c-strtod.m4 (gl_C99_STRTOLD): New macro. + (gl_C_STRTOD): Use it instead of AC_CHECK_DECLS_ONCE(strtold). + +2004-12-10 Jim Meyering <jim@meyering.net> + + * chdir-long.m4 (gl_FUNC_CHDIR_LONG: Arrange to compile chdir-long.c + only on systems that define PATH_MAX. + +2004-12-07 Paul Eggert <eggert@cs.ucla.edu> + + * ls-mntd-fs.m4 (AC_FUNC_GETMNTENT): Fix typo in previous change: + spurious "-l"s. Problem reported by Stepan Kasal. + +2004-12-06 Paul Eggert <eggert@cs.ucla.edu> + + * ls-mntd-fs.m4 (AC_FUNC_GETMNTENT): New macro, to work around bug + in Autoconf 2.59. Problem reported by Mark D. Baushke. + +2004-12-06 Jim Meyering <jim@meyering.net> + + * save-cwd.m4 (gl_SAVE_CWD): Use AC_LIBSOURCES. + Use AC_LIBOBJ(save-cwd). + * chdir-long.m4 (gl_FUNC_CHDIR_LONG): Use AC_LIBSOURCES. + Use AC_LIBOBJ(chdir-long). + * mempcpy.m4 (gl_FUNC_MEMPCPY): Use AC_LIBSOURCES. + * lchown.m4 (gl_FUNC_LCHOWN): Likewise. + * openat.m4 (gl_FUNC_OPENAT): Likewise. + (gl_PREREQ_GETCWD): Use AC_REQUIRE. + +2004-12-02 Paul Eggert <eggert@cs.ucla.edu> + + * openat.m4: Add copyright notice. + (gl_FUNC_OPENAT): Require gl_USE_SYSTEM_EXTENSIONS, since Solaris + requires __EXTENSIONS__ to be defined when compiling pedantically, + if you want AT_FDCWD. + +2004-12-01 Paul Eggert <eggert@cs.ucla.edu> + + * hard-locale.m4 (gl_HARD_LOCALE): Assume locale.h and setlocale + exist. + * human.m4 (gl_HUMAN): Assume locale.h and localeconv exist. + * jm-macros.m4 (gl_MACROS): Assume localeconv exists. + +2004-11-30 Paul Eggert <eggert@cs.ucla.edu> + + * getcwd-path-max.m4 (gl_FUNC_GETCWD_PATH_MAX): + Define HAVE_PARTLY_WORKING_GETCWD if getcwd is partly working. + + * readutmp.m4 (gl_READUTMP): Don't check for sys/param.h. + +2004-11-30 Jim Meyering <jim@meyering.net> + + * chdir-long.m4: Rename from chdir.m4. + * jm-macros.m4 (gl_MACROS): Reflect renaming. + +2004-11-28 Jim Meyering <jim@meyering.net> + + * chdir.m4: New file. + * openat.m4: New file. + * jm-macros.m4 (gl_MACROS): Require gl_FUNC_CHDIR. + +2004-11-25 Paul Eggert <eggert@cs.ucla.edu> + + * mempcpy.m4: New file, taken from gnulib. + * getcwd-path-max.m4 (gl_FUNC_GETCWD_PATH_MAX): Renamed from + GL_FUNC_GETCWD_PATH_MAX for consistency. All uses changed. + Use the _ONCE methods, for efficiency. + Check for fcntl.h. In test program, include <errno.h> + and <fcntl.h> if available. Remove old K&R cruft from + test program. Check for common errors in GNU/Linux, + OpenBSD, and Solaris. Just set gl_cv_func_getcwd_path_max; + don't do AC_LIBOBJ, as that's getcwd.m4's job. + * getcwd.m4 (gl_FUNC_GETCWD_NULL): Renamed from + AC_FUNC_GETCWD_NULL. All used changed. Change cache variable + name accordingly. + (gl_FUNC_GETCWD, gl_PREREQ_GETCWD): New macros. Revamp to + accommodate new getcwd.c. + * jm-macros.m4 (gl_MACROS): Don't require GL_FUNC_GETCWD_PATH_MAX. + * prereq.m4 (gl_PREREQ): Add gl_FUNC_MEMPCPY. + * xgetcwd.m4 (gl_XGETCWD): Replace with gl_FUNC_GETCWD, since + that's all we need now. + +2004-11-23 Paul Eggert <eggert@cs.ucla.edu> + + * utimens.m4 (gl_UTIMENS): Check for futimes function. + +2004-11-23 Sergey Poznyakoff <gray@Mirddin.farlep.net> + + * getopt.m4 (gl_GETOPT): Check if GETOPT_H is already set, in + order not to spoil the result of an eventual previous invocation + of gl_GETOPT_SUBSTITUTE. + +2004-11-17 Paul Eggert <eggert@cs.ucla.edu> + + * calloc.m4 (_AC_FUNC_CALLOC_IF): Check for buggy calloc implementations + that mishandle size_t overflow. + +2004-11-16 Paul Eggert <eggert@cs.ucla.edu> + + * canon-host.m4 (gl_CANON_HOST): Check for getaddrinfo. + +2004-11-13 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Do require gl_FUNC_FPENDING. + * fpending.m4: Restore file. + +2004-11-11 Paul Eggert <eggert@cs.ucla.edu> + + * getopt.m4: Sync from gnulib. + +2004-11-06 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Don't require gl_FUNC_FPENDING. + * fpending.m4: Remove file. + +2004-11-03 Paul Eggert <eggert@cs.ucla.edu> + + * setenv.m4: New file, from gnulib. + * prereq.m4 (gl_PREREQ): Require gt_FUNC_SETENV. + * uint32_t.m4: Sync from gnulib. + +2004-11-02 Paul Eggert <eggert@cs.ucla.edu> + + * getpass.m4: Sync from gnulib. + +2004-10-29 Paul Eggert <eggert@cs.ucla.edu> + + * getpagesize.m4: Sync from gnulib. + +2004-10-17 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_MACROS): Check for mbrlen, for pathchk. + (gl_CHECK_ALL_TYPES): Require AC_TYPE_MBSTATE_T, for pathchk. + + Sync from gnulib. + * getopt.m4 (gl_GETOPT): Detect and reject the incompatible BSD + implementation of getopt_long. + +2004-10-04 Paul Eggert <eggert@cs.ucla.edu> + + Sync from gnulib. + + * xalloc.m4 (gl_PREREQ_XSTRDUP): Remove. All uses removed. + + * unlocked-io.m4: Add copyright notice. + (gl_FUNC_GLIBC_UNLOCKED_IO): Define USE_UNLOCKED_IO. + +2004-10-03 Paul Eggert <eggert@cs.ucla.edu> + + Sync from gnulib. + * mbswidth.m4: Add copyright notice. + * vasnprintf.m4 (gl_FUNC_VASNPRINTF): Require gl_EOVERFLOW. + * eoverflow.m4: New file. + +2004-08-19 Paul Eggert <eggert@cs.ucla.edu> + + * getopt.m4: Sync from gnulib. + +2004-08-11 Paul Eggert <eggert@cs.ucla.edu> + + * obstack.m4 (gl_PREREQ_OBSTACK): Require + gl_AC_HEADER_INTTYPES_H, gl_AC_HEADER_STDINT_H, gl_AC_TYPE_UINTMAX_T. + + * fnmatch.m4 (_AC_LIBOBJ_FNMATCH): Check for wmemchr and wmemcpy. + +2004-08-09 Paul Eggert <eggert@cs.ucla.edu> + + * sha1.m4: Renamed from sha.m4. + (gl_SHA1): Renamed from gl_SHA. All uses changed. + +2004-08-08 Simon Josefsson <jas@extundo.com> + + * getpass.m4 (gl_FUNC_GETPASS, gl_FUNC_GETPASS_GNU): + Check getpass declaration. + +2004-08-07 Paul Eggert <eggert@cs.ucla.edu> + + * canonicalize.m4, getcwd-path-max.m4, strdup.m4: Merge from gnulib. + +2004-08-05 Paul Eggert <eggert@cs.ucla.edu> + + Merge from gnulib. + + * alloca.m4 (gl_FUNC_ALLOCA): Define HAVE_ALLOCA_H always, + for backward compatibility with older code. We need our own + alloca.h if _AIX is defined. Define HAVE_ALLOCA if we discover + it under some other name, and our alloca.h will define it. + * backupfile.m4, calloc.m4, strtoimax.m4, strtoumax.m4: + Bump serial number only. + * dirfd.m4, intmax_t.m4, inttypes_h.m4, mbrtowc.m4, stdint_h.m4, + uintmax_t.m4: Finish renaming jm_ to gl_. + * dos.m4 (gl_AC_DOS): Check for _WIN32, __WIN32__, and __MSDOS__. + * host-os.m4: s/KNetBSD/kNetBSD/g and s/KFreeBSD/kFreeBSD/g. + * prereq.m4 (gl_PREREQ): Add gl_GETTIME, AC_FUNC_CALLOC. + * gettime.m4: New file. + * settime.m4: Require gl_TIMESPEC; check for settimeofday, stime. + * unlocked-io.m4: Remove -*- autoconf -*-. + * xalloc.m4: No longer require AC_FUNC_CALLOC, AC_FUNC_MALLOC, + AC_FUNC_REALLOC. + +2004-08-04 Paul Eggert <eggert@cs.ucla.edu> + + OpenBSD porting fixes. + * boottime.m4: Add copyright notice. + (GNULIB_BOOT_TIME): Include sys/param.h before testing + for sys/sysctl.h. + * fsusage.m4: Add copyright notice. + (gl_FSUSAGE): Include sys/param.h before checking for sys/mount.h. + * jm-macros.m4: Include copyright notice. + (gl_MACROS): Use the _ONCE variants when appropriate. + Include sys/param.h before testing for sys/sysctl.h and sys/mount.h. + * ls-mntd-fs.m4: Include copyright notice. + (gl_LIST_MOUNTED_FILE_SYSTEMS): Include sys/param.h before + testing for sys/mount.h. + * stat-prog.m4: Include copyright notice. + (cu_PREREQ_STAT_PROG): Use the _ONCE variants when appropriate. + Include sys/param.h before testing for sys/mount.h. + +2004-08-01 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_CHECK_ALL_TYPES): + Require gl_AC_TYPE_UINTPTR_T instead of using AC_CHECK_TYPE + on uintptr_t. Require gl_AC_TYPE_UINT32_T. + * md5.m4 (gl_MD5): Require gl_AC_TYPE_UINT32_T. + * uint32_t.m4, uintptr_t.m4: New files. + +2004-07-28 Paul Eggert <eggert@cs.ucla.edu> + + * md5.m4 (gl_MD5): Do not require AC_C_INLINE, since it doesn't + use inline any more. Require AC_C_BIGENDIAN, though. + * sha.m4 (gl_SHA): Require AC_C_BIGENDIAN. + +2004-07-27 Paul Eggert <eggert@cs.ucla.edu> + + * euidaccess.m4 (gl_PREREQ_EUIDACCESS): Don't bother checking for + unistd.h, as autoconf does this for us. Check for libgen.h. + Also look for eaccess within -lgen, which is where it is in + Solaris. Set LIB_EACCESS accordingly. + + * backupfile.m4 (gl_BACKUPFILE): AC_REQUIRE + gl_CHECK_TYPE_STRUCT_DIRENT_D_INO instead of invoking it directly. + Do not require AC_FUNC_CLOSEDIR_VOID. + +2004-07-25 Paul Eggert <eggert@cs.ucla.edu> + + * jm-macros.m4 (gl_MACROS): Remove test for setreuid and setregid, + as test.c no longer uses them directly. + + * euidaccess.m4 (gl_FUNC_NONREENTRANT_EUIDACCESS): New macro. + (gl_FUNC_EUIDACCESS): Use AC_CHECK_DECLS_ONCE, not AC_CHECK_DECLS. + (gl_PREREQ_EUIDACCESS): Check for eaccess and setregid decls. + Require AC_HEADER_STAT. + + * prereq.m4 (gl_PREREQ): Invoke gl_FUNC_NONREENTRANT_EUIDACCESS, + not gl_FUNC_EUIDACCESS. + +2004-07-23 Paul Eggert <eggert@cs.ucla.edu> + + * prereq.m4 (gl_PREREQ): Add gl_FCNTL_SAFER. + * fcntl-safer.m4: New file. + +2004-07-12 Paul Eggert <eggert@cs.ucla.edu> + + * c-strtod.m4 (gl_C_STRTOD): Add gl_USE_SYSTEM_EXTENSIONS. + +2004-07-11 Paul Eggert <eggert@cs.ucla.edu> + + * c-strtod.m4: New file. + * prereq.m4 (gl_PREREQ): Add gl_C_STRTOLD. + +2004-04-03 Dmitry V. Levin <ldv@altlinux.org> + + * canonicalize.m4 (AC_FUNC_CANONICALIZE_FILE_NAME): + Do not add canonicalize.c here. + +2004-07-02 Paul Eggert <eggert@cs.ucla.edu> + + * path-concat.m4 (gl_PATH_CONCAT): Don't require gl_AC_DOS, the + prerequisite modules now handle the DOS stuff. + Don't check for unistd.h. + +2004-06-30 Paul Eggert <eggert@cs.ucla.edu> + + * dos.m4 (gl_AC_DOS): Define FILE_SYSTEM_PREFIX_LEN, not + FILESYSTEM_PREFIX_LEN. Generate + FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX, not + FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX. Generate + FILE_SYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR, not + FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR. + * ls-mntd-fs.m4 (gl_LIST_MOUNTED_FILE_SYSTEMS): Renamed from + gl_LIST_MOUNTED_FILESYSTEMS. All uses changed. + +2004-06-25 Jim Meyering <jim@meyering.net> + + * afs.m4 (gl_AFS): Use AC_ARG_WITH instead of ancient, hard-coded + AC_MSG_CHECKING/AC_MSG_RESULT etc. From Tim Waugh. + +2004-06-15 Paul Eggert <eggert@cs.ucla.edu> + + * getcwd-path-max.m4 (GL_FUNC_GETCWD_PATH_MAX): Fix typo: getcwd + was being replaced when it shouldn't have been, and vice versa. + +2004-06-09 Jim Meyering <jim@meyering.net> + + * calloc.m4 (AC_FUNC_CALLOC): Remove use of AN_FUNCTION. + +2004-06-07 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (gl_MACROS): Check for the directio function. + +2004-06-01 Jim Meyering <jim@meyering.net> + + * stdbool.m4: Update from gnulib. + +2004-05-29 Jim Meyering <jim@meyering.net> + + * xalloc.m4 (gl_PREREQ_XMALLOC): Require AC_FUNC_CALLOC. + * calloc.m4 (AC_FUNC_CALLOC, _AC_FUNC_CALLOC_IF): New file/macros. + +2004-05-21 Jim Meyering <jim@meyering.net> + + * free.m4: Update from gnulib (fix reversed test). + +2004-05-03 Jim Meyering <jim@meyering.net> + + Temporary work-around for the problem reported here: + http://sources.redhat.com/ml/bug-automake/2004/msg00339.html + + * gettext.m4 (AM_GNU_GETTEXT): Don't require AM_INTL_SUBDIR. + (AM_INTL_SUBDIR): Comment out definition. + +2004-05-01 Jim Meyering <jim@meyering.net> + + * jm-mktime.m4: Remove file. This is now part of mktime.m4. + * glibc.m4, c-stack.m4, xsize.m4, size_max.m4: Remove unused files. + * printf-posix.m4, lcmessage.m4: Likewise. + * gettextext.m4, intdiv0.m4, intmax.m4: Likewise. + + * jm-macros.m4 (gl_MACROS): Move fchown-checking code to chown.m4. + * chown.m4 (gl_PREREQ_CHOWN): Check for fcntl.h. + See if we need an fchown replacement. + (gl_FUNC_CHOWN_FOLLOWS_SYMLINK): New macro. + (gl_FUNC_CHOWN): Require gl_FUNC_CHOWN_FOLLOWS_SYMLINK, + and use the replacement function if we detect either defect. + +2004-04-22 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (gl_MACROS): Check for tcgetpgrp. + +2004-04-23 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Don't check for values.h; it's no longer used. + +2004-04-20 Jim Meyering <jim@meyering.net> + + Change UTILS_ to gl_ in AC_DEFINE'd names. + Change utils_- and jm_-prefixed variables, too. + * mkdir-slash.m4 (gl_FUNC_MKDIR_TRAILING_SLASH): Renamed from + UTILS_FUNC_MKDIR_TRAILING_SLASH. + * mkstemp.m4 (gl_FUNC_MKSTEMP): Renamed from UTILS_FUNC_MKSTEP. + * host-os.m4 (gl_HOST_OS): Renamed from UTILS_HOST_OS. + + * dirfd.m4 (gl_FUNC_DIRFD): Rename from UTILS_FUNC_DIRFD. + Don't emit trailing blanks. + Also rename jm_-prefixed variables to have gl_ prefix. + + * jm-macros.m4: Reflect the renamings. + * prereq.m4: Likewise. + +2004-04-19 Jim Meyering <jim@meyering.net> + + * readutmp.m4 (gl_PREREQ_READUTMP): Require gl_FUNC_FREE, + now that readutmp.c may call `free (0)'. + +2004-04-14 Jim Meyering <jim@meyering.net> + + * Makefile.am: Remove file. With automake-1.8.3, it's no longer needed. + * Makefile.am.in: Likewise. + * Makefile.in: Likewise. + + * stat-prog.m4 (cu_PREREQ_STAT_PROG): Don't use AC_CHECK_HEADERS to + check for inttypes.h. Instead, require gt_HEADER_INTTYPES_H. + + * jm-macros.m4: Require cu_PREREQ_STAT_PROG. + + * prereq.m4: Move prerequisite function for src/stat.c to ... + * stat-prog.m4 (cu_PREREQ_STAT_PROG): New file. Contents from prereq.m4. + +2004-04-13 Jim Meyering <jim@meyering.net> + + Change `jm_' in AC_DEFINE'd names to `gl_'. Update all uses. + + * afs.m4, allocsa.m4, assert.m4, backupfile.m4, bison.m4: + * check-decl.m4, chown.m4, d-ino.m4, d-type.m4, dirname.m4: + * dos.m4, error.m4, fpending.m4, fstypename.m4, fsusage.m4: + * ftruncate.m4, getdate.m4, getgroups.m4, gettext.m4, glibc21.m4: + * group-member.m4, human.m4, intmax.m4, intmax_t.m4, inttostr.m4: + * inttypes_h.m4, jm-macros.m4, jm-mktime.m4, jm-winsz1.m4: + * jm-winsz2.m4, lchown.m4, lib-check.m4, link-follow.m4, longlong.m4: + * ls-mntd-fs.m4, lstat.m4, makepath.m4, mbrtowc.m4, mbswidth.m4: + * memchr.m4, memcmp.m4, mkstemp.m4, mountlist.m4, nanosleep.m4: + * path-concat.m4, perl.m4, prereq.m4, putenv.m4, quotearg.m4: + * regex.m4, stat.m4, stdint_h.m4, strftime.m4, strtoimax.m4: + * strtoll.m4, strtoull.m4, strtoumax.m4, timespec.m4, uintmax_t.m4: + * ulonglong.m4, unlink-busy.m4, unlocked-io.m4, uptime.m4, utimbuf.m4: + * utime.m4, utimens.m4, utimes-null.m4, vasnprintf.m4, xstrtoimax.m4: + * xstrtol.m4, xstrtoumax.m4: Change jm_ to gl_ in AC_DEFINE'd names. + +2004-03-27 Paul Eggert <eggert@twinsun.com> + + * utimecmp.m4: New file. + * prereq.m4 (jm_PREREQ): Require gl_UTIMECMP. + +2004-04-07 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Check for fdatasync within + -lrt and -lposix4, so that it can be used in Solaris 2.5.1 and later. + +2004-03-30 Paul Eggert <eggert@twinsun.com> + + * c-stack.m4, getline.m4, getndelim2.m4, mbswidth.m4, po.m4, + strdup.m4, xsize.m4: Sync from gnulib. + + * allocsa.m4, cloexec.m4, eealloc.m4, inttostr.m4, mbstate_t.m4: + New files, from gnulib. + + * prereq.m4 (jm_PREREQ): Add gl_ALLOCSA, gl_CLOEXEC, gl_INTTOSTR. + +2004-03-31 Jim Meyering <jim@meyering.net> + + * prereq.m4: Require AC_FUNC_MALLOC, not jm_FUNC_MALLOC. + Require AC_FUNC_REALLOC, not jm_FUNC_REALLOC. + * xalloc.m4: Likewise. + + * realloc.m4: Remove file, since now it does no more than + AC_REQUIRE([AC_FUNC_REALLOC]), and that can be done via + the `configure.ac' section of module/realloc. + * malloc.m4: Likewise, but for AC_FUNC_MALLOC. + +2004-02-29 Paul Eggert <eggert@twinsun.com> + + * clock_time.m4 (gl_CLOCK_TIME): Require AC_GNU_SOURCE. + * getdate.m4 (gl_GETDATE): Remove time-related stuff. + Require AM_STDBOOL_H and gl_TIMESPEC instead. + Require gl_CLOCK_TIME. + +2004-03-07 Paul Eggert <eggert@twinsun.com> + + * Makefile.am.in (Makefile.am): + Don't use $<, as it doesn't work with Solaris make. + +2004-01-29 Jim Meyering <jim@meyering.net> + + Avoid a configure-time warning about sys/ucred.h on OSF V4.0. + * ls-mntd-fs.m4: Test for sys/ucred.h separately, since + on some systems one must include <grp.h> before it. + Reported by Christian Krackowizer. + +2004-01-16 Jim Meyering <jim@meyering.net> + + * onceonly.m4: Sync with version from gettext-0.13.1. + +2003-10-08 Paul Eggert <eggert@twinsun.com> + + Merge from gnulib. + + * getpass.m4 (gl_PREREQ_GETPASS): Check for stdio_ext.h. + +2003-08-26 Bruno Haible <bruno@clisp.org> + + Merge from gnulib. + + * fnmatch.m4 (_AC_LIBOBJ_FNMATCH): Remove AC_DEFINE of fnmatch here. + This avoids havoc on compilers for which '#define fnmatch rpl_fnmatch' + followed by '#define fnmatch fnmatch_posix' gives an error. + +2004-01-14 Paul Eggert <eggert@twinsun.com> + + * posixv.m4 (gl_POSIXVER): Require gl_DEFAULT_POSIX2_VERSION. + +2004-01-13 Jim Meyering <jim@meyering.net> + + * gettext.m4, lib-ld.m4, lib-prefix.m4, nls.m4, po.m4: + Update from gettext-0.13.1. + * intmax.m4, isc-posix.m4, printf-posix.m4, size_max.m4, xsize.m4: + New files. From gettext-0.13.1. + +2004-01-11 Paul Eggert <eggert@twinsun.com> + + * posixver.m4 (gl_DEFAULT_POSIX2_VERSION): Move + the documentation from 'configure' into 'config.hin', + so that 'configure --help' isn't burdened by it and + we don't have to worry about its formatting there. + Reword the documentation so that it's more succinct + and can be run together into a single paragraph. + +2004-01-12 Jim Meyering <jim@meyering.net> + + * posixver.m4 (gl_DEFAULT_POSIX2_VERSION): New macro. + +2003-12-20 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Don't require UTILS_SYS_OPEN_MAX. + + * open-max.m4 (UTILS_SYS_OPEN_MAX): Remove file. No longer used. + + * lib-check.m4 (jm_LIB_CHECK): Do not set LIB_CRYPT to the + value, $ac_cv_search_crypt, if it's "none required". + +2003-12-19 Jim Meyering <jim@meyering.net> + + * clock_time.m4 (gl_CLOCK_TIME): Don't set LIB_CLOCK_GETTIME + if no library is required. + +2003-12-18 Jim Meyering <jim@meyering.net> + + * search-libs.m4 (AC_SEARCH_LIBS): Remove file/macro, now that + this replacement is no longer needed. Besides, this macro has + no effect with autoconf-2.58, since `undefine' in package-supplied + .m4 files is no longer honored. Reported by Andreas Schwab. + + Remove now-unnecessary (and unused) files. They also used `undefine'. + * isc-posix.m4 (AC_ISC_POSIX): Remove file. + * getloadavg.m4 (gl_FUNC_GETLOADAVG): Remove file. + * prereq.m4 (jm_PREREQ): Require AC_FUNC_GETLOADAVG, + not gl_FUNC_GETLOADAVG. + +2003-11-08 Jim Meyering <jim@meyering.net> + + * inttypes.m4: Sync from gnulib (this file was previously empty, + to work around some sort of problem). + +2003-11-08 Alexandre Duret-Lutz <adl@gnu.org> + + * nanosleep.m4 (jm_FUNC_NANOSLEEP): Do not set LIB_NANOSLEEP to the + value, $ac_cv_search_nanosleep, if it's "none required". + +2003-11-05 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Check for uintptr_t. + +2003-11-05 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Require gl_FUNC_FREE. + * free.m4: New file, from gnulib. + + * exitfail.m4, host-os.m4, strndup.m4: Update from gnulib. + + * jm-macros.m4 (jm_MACROS): Require autoconf-2.58. + (AC_LANG_SOURCE): Remove definition, now that we require autoconf-2.58. + +2003-10-13 Paul Eggert <eggert@twinsun.com> + + * xalloc.m4: Import latest version from gnulib. + +2003-10-06 Jim Meyering <jim@meyering.net> + + * ftw.m4: Remove now-unused file. + +2003-10-05 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Don't require AC_FUNC_FTW. + +2003-09-17 Paul Eggert <eggert@twinsun.com> + + Update from gnulib. + * extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Call AC_BEFORE first, + to avoid spurious warnings like "AC_RUN_IFELSE was called before + gl_USE_SYSTEM_EXTENSIONS" from autoreconf. + +2003-09-12 Paul Eggert <eggert@twinsun.com> + + More patches to assume C89 or better. + + * mkstemp.m4 (jm_PREREQ_TEMPNAME): Do not require standard C headers. + * strdup.m4 (gl_PREREQ_STRDUP): Likewise. + * userspec.m4 (gl_USERSPEC): Likewise. + * xalloc.m4 (gl_PREREQ_XMALLOC): Likewise. + * xstrtod.m4 (gl_XSTRTOD): Likewise. + * xstrtol.m4 (gl_PREREQ_XSTRTOL): Likewise. + * strftime.m4 (_jm_STRFTIME_PREREQS): Don't check for limits.h, + memcpy, memset. + (jm_FUNC_GNU_STRFTIME): Don't require standard C headers. + * strtod.m4 (gl_FUNC_STRTOD): Do not check for float.h. + * strtoimax.m4 (gl_PREREQ_STRTOIMAX): Do not check for stdlib.h, strtol. + * strtol.m4 (gl_FUNC_STRTOL): Do not check for limits.h. + * userspec.m4 (gl_USERSPEC): Do not check for string.h. + * xstrtol.m4 (gl_PREREQ_XSTRTOL): Do not check for string.h, strtol, + strtoul. + +2003-09-12 Paul Eggert <eggert@twinsun.com> + + * error.m4 (gl_ERROR): Don't check for vprintf. + Require AC_FUNC_STRERROR_R rather than invoking it. + +2003-09-12 Paul Eggert <eggert@twinsun.com> + + * check-decl.m4 (jm_CHECK_DECLS): Include <string.h>, <stdlib.h> + unconditionally. + * closeout.m4 (gl_CLOSEOUT): Don't check for stdlib.h. + * gettimeofday.m4 (AC_FUNC_GETTIMEOFDAY_CLOBBER): + Include <string.h>, <stdlib.h> unconditionally. + * lstat.m4 (gl_PREREQ_LSTAT): Don't check for stdlib.h, free. + * readdir.m4 (GL_FUNC_READDIR): Don't check for string.h. + * readutmp.m4 (gl_PREREQ_READUTMP): Don't check for standard C headers + or for string.h. + * strtoumax.m4 (gl_PREREQ_STRTOUMAX): Don't check for stdlb.h + or strtoul. + * extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Require AC_AIX + and AC_MINIX, too, so that their extensions are available. + + * prereq.m4 (jm_PREREQ_ADDEXT): Remove. All uses removed. + This macro has been superseded by gl_BACKUPFILE. + +2003-09-12 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ): Require gl_READTOKENS, gl_MD5, gl_MAKEPATH, + gl_LONG_OPTIONS, and gl_IDCACHE, gl_GETUGROUPS. + * readtokens.m4: New file, from gnulib + * md5.m4: Likewise. + * makepath.m4: Likewise. + * long-options.m4: Likewise. + * idcache.m4: Likewise. + * getugroups.m4: Likewise. + +2003-09-11 Paul Eggert <eggert@twinsun.com> + + More patches to assume C89 or better. + * strndup.m4 (gl_PREREQ_STRNDUP): Remove STDC_HEADERS check. + * strnlen.m4 (gl_PREREQ_STRNLEN): Don't check for memory.h, + string.h, memchr, STDC_HEADERS. + +2003-09-10 Bruno Haible <bruno@clisp.org> + + * strcspn.m4 (gl_PREREQ_STRCSPN): Remove <string.h> check. + * strpbrk.m4 (gl_PREREQ_STRPBRK): Remove <string.h> check. + * strstr.m4 (gl_PREREQ_STRSTR): Remove <string.h> check. + * unicodeio.m4 (gl_UNICODEIO): Remove <string.h> check. + * xreadlink.m4 (gl_XREADLINK): Remove <stdlib.h> check. + * yesno.m4 (gl_YESNO): Remove <stdlib.h> check. + +2003-09-09 Paul Eggert <eggert@twinsun.com> + + * getcwd.m4 (AC_FUNC_GETCWD_NULL): Don't check for stdlib.h. + * getopt.m4 (gl_GETOPT): Don't check for string.h. + * getusershell.m4 (gl_PREREQ_GETUSERSHELL): Do not check for stdlib.h. + * group-member.m4 (gl_PREREQ_GROUP_MEMBER): Do not require standard C + headers. + * hard-locale.m4 (gl_HARD_LOCALE): Do not check for stdlib.h, + string.h. + * hash.m4 (gl_HASH): Do not check for stdlib.h, malloc, free. + * human.m4 (gl_HUMAN): Do not check for stdlib.h, string.h, getenv. + * sha.m4 (gl_SHA): Don't check for standard Cheaders, memcpy. + * memchr.m4 (jm_PREREQ_MEMCHR): Don't check for limits.h, stdlib.h. + * memcmp.m4 (gl_PREREQ_MEMCMP): Don't check for string.h. + * memcoll.m4 (gl_MEMCOLL): Likewise. + * memrchr.c (gl_PREREQ_MEMRCHR): Don't check for limits.h. + * mkdir-slash.m4 (gl_PREREQ_MKDIR): Don't check for stdlib.h, + string.h, free. + * mktime.m4 (gl_PREREQ_MKTIME): Don't check for standard C headers. + * modechange.m4 (gl_MODECHANGE): Don't check for standard C headers. + * mountlist.m4 (gl_PREREQ_MOUNTLIST_EXTRA): Don't check for standard + C headers, or for string.h. + * obstack.m4 (gl_OBSTACK): Don't check for stddefe.h, string.h. + (gl_PREREQ_OBSTACK): Don't check for stdlib.h. + * path-concat.m4 (gl_PATH_CONCAT): Don't check for standard C + headers, memory.h, stdlib.h, string.h, strings.h. + * posixtm.m4 (gl_POSIXTM): Don't check for stdlib.h, string.h. + * posixver.m4 (gl_POSIXVER): Don't check for getenv. + * putenv.m4 (gl_PREREQ_PUTENV): Don't check for string.h, memcpy, + strchr. + * regex.m4 (jm_PREREQ_REGEX): Do not check for limits.h, string.h. + * rename.m4 (gl_PREREQ_RENAME): Do not check for stdlib.h, string.h, + free. + * rpmatch.m4 (gl_PREREQ_RPMATCH): Don't check for standard C headers. + * save-cwd.m4 (gl_SAVE_CWD): Don't check for standard C headers. + * savedir.m4 (gl_SAVEDIR): Don't check for standard C headers. + * xgetcwd.m4 (gl_XGETCWD): Don't check for stdlib.h. + +2003-09-09 Derek Robert Price <derek@ximbiot.com> + + * getndelim2.m4 (gl_PREREQ_GETNDELIM2): Assume stdlib.h per the + C89 spec. + +2003-09-08 Paul Eggert <eggert@twinsun.com> + + Assume C89 or better; remove K&R cruft. + * alloca.m4 (gl_PREREQ_ALLOCA): Don't check for stdlib.h, string.h. + * backupfile.m4 (gl_BACKUPFILE): Don't check for stdlib.h, + string.h, getenv, malloc. + * dirname.m4 (gl_DIRNAME): Don't check for string.h or C standard + headers. + * canon-host.m4 (gl_CANON_HOST): Don't check for string.h, stdlib.h. + * error.m4 (jm_PREREQ_ERROR): Do not require STDC headers, and + do not check for strerror. + * exclude.m4: Do not check for stdlib.h, string.h, strings.h. + * exitfail.m4 (gl_EXITFAIL): Do not check for stdlib.h. + * fnmatch.m4 (gl_PREREQ_FNMATCH_EXTRA): Remove. All uses removed. + * getdate.m4 (gl_GETDATE): Don't check for stdlib.h or string.h. + +2003-08-27 Jim Meyering <jim@meyering.net> + + * mkstemp.m4: Require that the system mkstemp be able to create + 70 temporary files, not just 30. Tru64 V4.0F's mkstemp function + would fail after 32. Reported by Danny Levinson. Details here: + http://mail.gnu.org/archive/html/bug-coreutils/2003-08/msg00124.html + +2003-08-19 Jim Meyering <jim@meyering.net> + + * lib-ld.m4: Revert yesterday's change, per Bruno's request here: + http://mail.gnu.org/archive/html/bug-gnulib/2003-08/msg00155.html + +2003-08-18 Paul Eggert <eggert@twinsun.com> + + * same.m4 (gl_SAME): Do not check for stdlib.h or string.h or free. + Check for pathconf. + +2003-08-18 Jim Meyering <jim@meyering.net> + + * getloadavg.m4: Use [\t ], not [ \t] (where \t is a literal TAB). + * lib-ld.m4: Likewise. + * po.m4: Likewise. + +2003-08-18 Paul Eggert <eggert@twinsun.com> + and Jim Meyering <jim@meyering.net> + + It turns out that we need AM_NLS and AM_PO_SUBDIRS after all; + otherwise po/POTFILES and po/Makefile aren't built by 'configure'. + I'm not sure why I didn't catch this earlier; most likely some + leftover build files. Sorry about that. + * gettextext.m4 (AM_NLS, AM_PO_SUBDIRS): Remove definitions. + * nls.m4, po.m4: New files, taken from gnulib / gettext. + +2003-08-16 Paul Eggert <eggert@twinsun.com> + + Sync with gnulib. + + * gettextext.m4: New file. + + * atexit.m4, backupfile.m4, canon-host.m4, clock_time.m4, + closeout.m4, dirname.m4, dup2.m4, euidaccess.m4, exclude.m4, + exitfail.m4, file-type.m4, fileblocks.m4, filemode.m4, getdate.m4, + gethostname.m4, getloadavg.m4, getopt.m4, getpagesize.m4, + getpass.m4, getusershell.m4, hard-locale.m4, hash.m4, malloc.m4, + memchr.m4, memcpy.m4, memmove.m4, memrchr.m4, memset.m4, + modechange.m4, mountlist.m4, obstack.m4, path-concat.m4, + pathmax.m4, physmem.m4, posixtm.m4, posixver.m4, quote.m4, + quotearg.m4, readlink.m4, readutmp.m4, realloc.m4, rmdir.m4, + rpmatch.m4, safe-read.m4, safe-write.m4, same.m4, save-cwd.m4, + savedir.m4, settime.m4, sha.m4, sig2str.m4, stdio-safer.m4, + stpcpy.m4, strcase.m4, strcspn.m4, strdup.m4, strndup.m4, + strnlen.m4, strpbrk.m4, strstr.m4, strtod.m4, strtoimax.m4, + strtol.m4, strtoll.m4, strtoul.m4, strtoull.m4, strtoumax.m4, + strverscmp.m4, ulonglong.m4, unicodeio.m4, unistd-safer.m4, + userspec.m4, xalloc.m4, xgetcwd.m4, xreadlink.m4, xstrtod.m4, + xstrtol.m4, yesno.m4: New files, from gnulib. + + * acl.m4, check-decl.m4, chown.m4, c-stack.m4, d-ino.m4, + d-type.m4, fileblocks.m4, fsusage.m4, ftruncate.m4, getcwd.m4, + getgroups.m4, getline.m4, getndelim2.m4, gettext.m4, + gettimeofday.m4, group-member.m4, host-os.m4, iconv.m4, + intmax_t.m4, inttypes-pri.m4, jm-macros.m4, lchown.m4, lib-ld.m4, + lib-link.m4, lib-prefix.m4, longdouble.m4, longlong.m4, + ls-mntd-fs.m4, lstat.m4, mbrtowc.m4, mbswidth.m4, memcmp.m4, + mkdir-slash.m4, mkstemp.m4, nanosleep.m4, onceonly.m4, prereq.m4, + progtest.m4, putenv.m4, readdir.m4, rename.m4, stat.m4, tzset.m4, + utimbuf.m4, utime.m4, vasnprintf.m4, xstrtoimax.m4, xstrtoumax.m4: + Sync with gnulib. + +2003-08-15 Jim Meyering <jim@meyering.net> + + * utimes.m4 (gl_FUNC_UTIMES): Use `conftest.utimes' as the test + file name, not `x'. The former will be removed automatically. + +2003-08-13 Jim Meyering <jim@meyering.net> + + * README: Remove file. + * Makefile.am.in: Simplify. + (Makefile.am): Remove README. + +2003-08-10 Jim Meyering <jim@meyering.net> + + * utimes.m4 (gl_FUNC_UTIMES): New file. + * utimens.m4: Require gl_FUNC_UTIMES. + Don't check for utime or utimes. + + * utimes.m4: Removed. + * utimes-null.m4: Renamed from utimes.m4. + +2003-08-06 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ): Require gl_UTIMENS. + * utimens.m4: New file. + +2003-08-08 Paul Eggert <eggert@twinsun.com> + + * vasnprintf.m4 (gl_PREREQ_VASNPRINTF): + Solaris 2.5.1 needs -lw to get the wcslen function. + +2003-08-08 Paul Eggert <eggert@twinsun.com> + + Use new gnulib 'extensions' module. + * extensions.m4, unlocked-io.m4: New files, from gnulib. + * gnu-source.m4, jm-glibc-io.m4: Remove. + * timespec.m4: Merge from gnulib. + +2003-08-08 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Replace jm_INCLUDED_REGEX([lib/regex.c]) + with gl_REGEX. + Replace jm_FUNC_MKTIME with gl_FUNC_MKTIME. + Remove redundant AC_FUNC_FNMATCH_GNU, jm_FUNC_MKTIME. + Remove AC_FUNC_VPRINTF. + Add gl_ERROR. + +2003-08-05 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Use gl_GETNDELIM2 rather than + checking for getdelim. + (jm_CHECK_ALL_TYPES): Use gt_TYPE_SSIZE_T for ssize_t rather + than rolling our own. + Merge getline from gnulib. + * getline.m4: Merge from gnulib. + * getndelim2.m4, ssize_t.m4: New files, from gnulib. + +2003-08-04 Paul Eggert <eggert@twinsun.com> + + * regex.m4: Merge with gnulib. + (gl_REGEX): New macro. + (jm_INCLUDED_REGEX): Don't assume Latin-1 encoding of source code. + * restrict.m4: Merge with gnulib. + (gl_C_RESTRICT): Renamed from ACX_C_RESTRICT. All uses changed. + Rename cache vars to gl_cv_*. Incorporate latest Autoconf CVS tricks. + +2003-08-05 Paul Eggert <eggert@twinsun.com> + + * gnu-source.m4: New file, taken from gnulib, with support + added for __EXTENSIONS__ a la Solaris. + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Call gl_TIMESPEC rather + than jm_CHECK_TYPE_STRUCT_TIMESPEC. + * st_mtim.m4: Sync with gnulib (white space change only). + * timespec.m4: Sync with gnulib, except also require + AC_GNU_SOURCE. + +2003-08-05 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ_PHYSMEM, jm_PREREQ_STAT): Ignore headers + that are present but cannot be compiled. This avoids spurious warnings + on Solaris 9 sparc with Forte Developer 7 C 5.4. + +2003-08-04 Paul Eggert <eggert@twinsun.com> + + Merge fnmatch module from gnulib. + * fnmatch.m4: New file, from gnulib. + * jm-macros.m4 (jm_MACROS): Require gl_FUNC_FNMATCH_GNU + instead of AC_FUNC_ERROR_AT_LINE. + +2003-08-04 Paul Eggert <eggert@twinsun.com> + + * error.m4: Sync from gnulib. + +2003-07-23 Jim Meyering <jim@meyering.net> + + * lstat.m4, mkstemp.m4, regex.m4, stat.m4: Normalize naming of Sun + operating systems in comments, e.g., SunOS4 -> SunOS 4, + Solaris5.9 -> Solaris 9. From Paul Eggert. + +2003-07-18 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Invoke gl_MEMCOLL. + * memcoll.m4: New file, from gnulib. + Based on a patch from Andreas Schwab. + +2003-07-14 Jim Meyering <jim@meyering.net> + + * Makefile.am.in: Correct comment on first line. + +2003-07-12 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (OPTIONAL_BIN_ZCRIPTS): Remove unused variable. + +2003-07-10 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Require gl_FUNC_VASPRINTF and + gl_FUNC_VASNPRINTF. + + * longdouble.m4, signed.m4, vasnprintf.m4, vasprintf.m4, wchar_t.m4: + * wint_t.m4: New files, in support of new asprintf use. From gnulib. + + * stdint_h.m4: New file. + * inttypes_h.m4: New file. + * uintmax_t.m4: New file. + * intmax_t.m4: New file. + * inttypes.m4: Remove file. Use intmax_t.m4 and uintmax_t.m4 + from gnulib, instead. + +2003-06-09 Jim Meyering <jim@meyering.net> + + * tzset.m4 (gl_FUNC_TZSET_CLOBBER): Also define gmtime. + * gettimeofday.m4 (AC_FUNC_GETTIMEOFDAY_CLOBBER): Likewise. + Suggestion from Paul Eggert. + +2003-06-08 Jim Meyering <jim@meyering.net> + + * tzset.m4 (gl_FUNC_TZSET_CLOBBER): New file/macro. + Used by strftime.m4. + * strftime.m4 (_jm_STRFTIME_PREREQS): Require gl_FUNC_TZSET_CLOBBER. + +2003-06-07 Jim Meyering <jim@meyering.net> + + * strftime.m4: Update from gnulib. + * tm_gmtoff.m4: New file, used by strftime.m4. + * mktime.m4: New file. From gnulib. + +2003-06-06 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require gl_FUNC_ALLOCA. + * alloca.m4: New file, from gnulib. + + * stdbool.m4: Update from gnulib. + +2003-06-04 Paul Eggert <eggert@twinsun.com> + + Merge human.c etc. from gnulib. + * human.m4: New file, from gnulib. + * prereq.m4 (jm_PREREQ): Use gl_HUMAN, not jm_PREREQ_HUMAN. + (jm_prereq_HUMAN): Remove. + +2003-06-02 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Require AM_STDBOOL_H. + +2003-05-26 Jim Meyering <jim@meyering.net> + + * dirfd.m4 (UTILS_FUNC_DIRFD): Merge in change from gnulib, + fixing an M4 quoting bug. + + * lib-ld.m4 (AC_LIB_PROG_LD_GNU): Use TAB-SP, not SP-TAB + when setting IFS. + * progtest.m4 (AM_PATH_PROG_WITH_TEST): Likewise. + +2003-05-06 Jim Meyering <jim@meyering.net> + + * getcwd-path-max.m4 (GL_FUNC_GETCWD_PATH_MAX): Check for the + declaration of getcwd *before* checking for the getcwd kernel bug. + Otherwise, configure-time `checking ...' messages would be intermixed. + +2003-05-02 Jim Meyering <jim@meyering.net> + + * readdir.m4 (GL_FUNC_READDIR): Revive dead file. Change name to + have GL_ (not jm_) prefix. Adjust cache variables similarly. + Create 500 rather than just 300 files, to exercise bug on + Darwin6.5, too. + * jm-macros.m4 (jm_MACROS): Require GL_FUNC_READDIR. + +2003-04-25 Jim Meyering <jim@meyering.net> + + * getcwd-path-max.m4 (GL_FUNC_GETCWD_PATH_MAX): If PATH_MAX + is not defined, don't run the test, and don't use the wrapper. + Otherwise, on the Hurd, it would take a long time to create + and remove a hierarchy about 4000 levels deep. + Based on a patch from Robert Millan. + +2003-04-22 Jim Meyering <jim@meyering.net> + + Aesthetics. + * gettext.m4: Change an occurrence of [ \t] to [\t ]. + +2003-04-07 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_STAT): Add prerequisites and #includes + for Ultrix 4.4. + +2003-04-02 Jim Meyering <jim@meyering.net> + + * perl.m4 (jm_PERL): Use $am_missing_run, not undefined $missing_dir. + +2003-03-19 Jim Meyering <jim@meyering.net> + + * ftw.m4 (AC_FUNC_FTW): Require AC_HEADER_STAT. + +2003-03-17 Richard Dawe <rich@phekda.freeserve.co.uk> + + * jm-macros.m4 (jm_MACROS): Include $(EXEEXT) in DF_PROG's program + name, since automake only adds $(EXEEXT) to programs in its *_PROGRAMS. + Arrange to compile the corresponding stub function if fchdir is missing. + +2003-03-18 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Move the MOUNTED_VMOUNT + test to precede the MOUNTED_GETMNTENT1 tests, since otherwise, AIX 5.1 + systems would end up using the latter. MOUNTED_GETMNTENT1 support + is inadequate on such systems: 1) detecting whether a file system + is remote doesn't work 2) the MOUNTED_VMOUNT code reports the + HOSTNAME:/MOUNT_POINT, while the MOUNTED_GETMNTENT1 code reports + merely /MOUNT_POINT. Reported by Mike Jetzer. + +2003-03-17 Jim Meyering <jim@meyering.net> + + * dirfd.m4 (UTILS_FUNC_DIRFD): Test the cache variable, not one + that is guaranteed to be `no'. Use `no_such_member' to indicate + that condition, rather than `-1' which is slightly misleading. + Change the name of the cache variable to have the gl_ prefix. + Prompted by a patch from Richard Dawe for DJGPP. + +2003-03-14 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ): Also forbid the gl_[A-Z] prefix. + Don't require jm_PREREQ_C_STACK. + +2003-03-13 Paul Eggert <eggert@twinsun.com> + + [from gnulib] + * onceonly.m4 (m4_quote): New macro. + (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE): + Quote AC_FOREACH variable-expansions properly. + +2003-03-13 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Arrange to compile the corresponding stub + function if any of the following is missing: fchown, lstat, readlink. + From Richard Dawe. + +2003-03-07 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (AC_LANG_SOURCE(C)): New macro, undefine, then define + using the latest version from cvs. This avoids problems with #line + directives using a vendor (Sun) compiler. + + * jm-macros.m4: Don't require AC_SYS_MMAP_STACK. + * mmap-stack.m4 (AC_SYS_MMAP_STACK): Remove file. + +2003-03-06 Jim Meyering <jim@meyering.net> + + * getcwd-path-max.m4 (GL_FUNC_GETCWD_PATH_MAX): Check for + declaration of getcwd. + +2003-03-04 Jim Meyering <jim@meyering.net> + + * getcwd-path-max.m4 (GL_FUNC_GETCWD_PATH_MAX): New macro. + * jm-macros.m4: Require GL_FUNC_GETCWD_PATH_MAX. + + `df /some/mount-point' no longer hangs when an unrelated hard-mount + is unavailable + * fsusage.m4 [__GLIBC__]: GNU libc's statvfs stats each mount point in + /proc/mounts until it finds one with matching device number. This is + unnecessary when the FILE argument *is* a mount point. No stat call + is necessary in that case. So, disable the statvfs-testing code on + systems with GNU libc. Reported by Andrei Gaponenko via Tim Waugh + as RedHat bug# 84846. + +2003-02-27 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_PHYSMEM): Also check for `table' function. + Reported by Kaveh Ghazi. + + * prereq.m4 (gl_SYS__SYSTEM_CONFIGURATION): New function. + (jm_PREREQ_PHYSMEM): Check for new headers and functions. + Use gl_SYS__SYSTEM_CONFIGURATION. + With suggestions from Kaveh Ghazi. + +2003-02-19 Jim Meyering <jim@meyering.net> + + * c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC): Limit stack size + to 1MB, so as not to render systems with no stack size limit (e.g., + linux-2.2.x) unusable. Suggestion and code from Bruno Haible. + +2003-02-17 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_PHYSMEM): Undo last change, since + Kaveh Ghazi found a better way to get the required information. + Add check for sys/sysmp.h. + +2003-02-15 Jim Meyering <jim@meyering.net> + + * mmap-stack.m4: New file. + + * jm-macros.m4: Require AC_SYS_MMAP_STACK. + + Add Irix6 support to physmem.c. + * prereq.m4 (jm_PREREQ_PHYSMEM): Also check for sys/sysget.h + and sys/sysinfo.h. + Also check for sysget. + Reported by Kaveh Ghazi. + +2003-02-12 Jim Meyering <jim@meyering.net> + + * restrict.m4 (ACX_C_RESTRICT): Remove #ifndef -- so now this + macro also checks for support when using a C++ compiler. + Also, remove the test for SGI's __restrict. + Suggested by Steven G. Johnson. + + * regex.m4 (jm_PREREQ_REGEX): Require ACX_C_RESTRICT. + + * restrict.m4 (ACX_C_RESTRICT): Minor syntactic changes: + Split long lines, use AC_COMPILE_IFELSE, indent, use `case' + instead of nested `if's, remove unnecessary quotes. + + * restrict.m4 (ACX_C_RESTRICT): New macro. + Copied directly from the URL in the comments. + By Steven G. Johnson. + +2003-02-09 Jim Meyering <jim@meyering.net> + + * check-decl.m4 (jm_CHECK_DECLS): Add euidaccess. + +2003-02-03 Jim Meyering <jim@meyering.net> + + * c-stack.m4: Include <unistd.h>. On some systems, + it is required for the definition of _SC_PAGESIZE. + +2003-02-02 Jim Meyering <jim@meyering.net> + + * onceonly.m4: New file. From gnulib. + + * regex.m4 (jm_PREREQ_REGEX): New function, from gnulib. + (jm_INCLUDED_REGEX): Use it. + * prereq.m4 (jm_PREREQ_REGEX): Remove. + +2003-01-31 Jim Meyering <jim@meyering.net> + + * open-max.m4 (UTILS_SYS_OPEN_MAX): New file/macro. + * jm-macros.m4 (jm_MACROS): Require UTILS_SYS_OPEN_MAX. + +2003-01-29 Jim Meyering <jim@meyering.net> + + * regex.m4: Detect broken re_search in e.g. glibc-2.2.93. + +2003-01-23 Jim Meyering <jim@meyering.net> + + * dirfd.m4 (UTILS_FUNC_DIRFD): Correct typo: s/-1/no/ that kept this + from working on systems without dirfd (at least Irix and OSF1/Tru64). + + Merge in change by Bruno Haible from gnulib. + * dirfd.m4 (UTILS_FUNC_DIRFD): Invoke some AC_EGREP_CPP requirements. + +2003-01-16 Jim Meyering <jim@meyering.net> + + * regex.m4: The `regex' struct is both input and output. + Initialize it before each use. Patch by Tim Waugh. + +2003-01-15 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require AC_FUNC_FTW. + +2003-01-12 Jim Meyering <jim@meyering.net> + + * ftw.m4: New file. + +2003-01-11 Jim Meyering <jim@meyering.net> + + * canonicalize.m4 (AC_FUNC_CANONICALIZE_FILE_NAME): New file and macro. + * jm-macros.m4: Require AC_FUNC_CANONICALIZE_FILE_NAME. + (jm_MACROS): No longer check for resolvepath or canonicalize_file_name. + +2002-12-15 Jim Meyering <jim@meyering.net> + + * jm-glibc-io.m4n: Remove now-unused file. + * Makefile.am.in (Makefile.am): Remove jm-glibc-io.m4 + and jm-glibc-io.m4n. + +2002-12-11 Jim Meyering <jim@meyering.net> + + * jm-glibc-io.m4: Maintain this file manually rather than generating it. + Generating it caused too much trouble. From gnulib. + +2002-11-19 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require Autoconf-2.56. + +2002-09-30 Akim Demaille <akim@epita.fr> + + * prereq.m4: Use AC_REQUIRE everywhere it is possible. + (jm_PREREQ_CANON_HOST): Remove duplicates. + +2002-11-10 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Add AC_REPLACE_FUNCS(raise). + +2002-10-30 Paul Eggert <eggert@twinsun.com> + + * getgroups.m4 (jm_FUNC_GETGROUPS): + Fix typo: cv_func_getgroups_works -> ac_cv_func_getgroups_works. + +2002-10-07 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ_HUMAN): Check for locale.h, localeconv, + AC_HEADER_STDBOOL. No need to check for limits.h since it's in + freestanding C89. No need to check for stdlib.h or string.h since + autoconf does this now. + +2002-10-12 Paul Eggert <eggert@twionsun.com> + + * jm-macros.m4 (jm_CHECK_ALL_HEADERS): Remove fenv.h. + +2002-09-29 Jim Meyering <jim@meyering.net> + + * gettext.m4 (AM_INTL_SUBDIR): Don't require gt_HEADER_INTTYPES_H. + It's not necessary with autoconf-2.54. + +2002-09-28 Jim Meyering <jim@meyering.net> + + * getgroups.m4 (jm_FUNC_GETGROUPS): Rewrite to use AC_FUNC_GETGROUPS + and (if needed) to call AC_LIBOBJ and to set GETGROUPS_LIB. + * jm-macros.m4 (jm_MACROS): Don't set GETGROUPS_LIB here; now it's + done via getgroups.m4's wrapper function. + + * strerror_r.m4: Remove file -- now it's part of autoconf-2.54. + Reported by Akim Demaille. + +2002-09-25 Jim Meyering <jim@meyering.net> + + * gettext.m4: Upgrade to gettext-0.11.5. + +2002-09-07 Bruno Haible <bruno@clisp.org> + + * host-os.m4 (UTILS_HOST_OS): Add a case for freebsd*-gnu*. + +2002-09-17 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Require gt_INTTYPES_PRI. + * inttypes-pri.m4 (gt_INTTYPES_PRI): New file, mostly from gettext. + +2002-09-16 Jim Meyering <jim@meyering.net> + + * prereq.m4: Forbid symbols matching ^jm_[A-Z]. + (jm_PREREQ_QUOTEARG): Add jm_FUNC_MEMCMP. + From Akim Demaille. + + * error.m4 (jm_PREREQ_ERROR): Check for libintl.h. + Reported by Akim Demaille. + +2002-09-13 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Require autoconf-2.54. + +2002-09-09 Jim Meyering <jim@meyering.net> + + * getloadavg.m4: Remove file -- now it's part of autoconf-2.53c. + * jm-macros.m4: Use AC_CONFIG_LIBOBJ_DIR(lib) to tell the new + AC_FUNC_GETLOADAVG where to find getloadavg.c. + +2002-09-03 Jim Meyering <jim@meyering.net> + + * gnu-source.m4: Remove file -- now it's part of autoconf-2.53c. + * mbstate_t.m4: Likewise. + * fnmatch.m4: Likewise. + +2002-08-05 Jim Meyering <jim@meyering.net> + + * jm-winsz1.m4: Also change use of $am_cv_sys_posix_termios + to $ac_cv_sys_posix_termios. Reported by Andreas Schwab. + +2002-08-03 Jim Meyering <jim@meyering.net> + + * jm-winsz1.m4: Require AC_SYS_POSIX_TERMIOS, not AM_SYS_POSIX_TERMIOS. + Reported by mkc@mathdogs.com. + +2002-08-01 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_TEMPNAME): lib/tempname.c may use uintmax_t, + so require jm_AC_TYPE_UINTMAX_T. Patch by Joe Orton. + +2002-07-28 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Don't require jm_FUNC_READDIR. + * readdir.m4 (jm_FUNC_READDIR): Remove file/macro. No longer needed. + +2002-07-27 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_READUTMP): Don't check just + `struct utmpx.ut_exit' and `struct utmp.ut_exit'. Instead, check + all combinations of utmp/utmpx and ut_termination/e_termination + and ut_exit/e_exit. + +2002-07-23 Jim Meyering <jim@meyering.net> + + * c-bs-a.m4 (AC_C_BACKSLASH_A): Remove file, now that autoconf + provides this macro. + +2002-07-20 Jim Meyering <jim@meyering.net> + + * intdiv0.m4: New file. From gettex-0.11.3. + + * jm-macros.m4: Require autoconf-2.53b. + Use new macros AC_FUNC_MALLOC and AC_FUNC_REALLOC, + in place of jm_-prefixed ones. Thanks, Akim! + * malloc.m4: Remove file, now that autoconf provides this macro. + * realloc.m4: Likewise. + +2002-07-18 gettextize <bug-gnu-gettext@gnu.org> + + * gettext.m4: Upgrade to gettext-0.11.3. + * iconv.m4: Upgrade to gettext-0.11.3. + * isc-posix.m4: Upgrade to gettext-0.11.3. + * lcmessage.m4: Upgrade to gettext-0.11.3. + * lib-link.m4: Upgrade to gettext-0.11.3. + +2002-07-17 Jim Meyering <jim@meyering.net> + + * boottime.m4: New file. Extracted from sh-utils' configure.ac + and extended to work also with *BSD systems. + +2002-07-15 Jim Meyering <jim@meyering.net> + + FreeBSD support for uname and uptime. + * jm-macros.m4 (jm_MACROS): Check for the sysctl function. + (jm_CHECK_ALL_HEADERS): Check for sys/sysctl.h. + Suggestion from Bruno Haible. + +2002-06-11 Paul Eggert <eggert@twinsun.com> + + * fnmatch.m4 (_AC_LIBOBJ_FNMATCH): Check for btowc. + +2002-06-22 Jim Meyering <jim@meyering.net> + + * c-stack.m4: New file, from diffutils-2.8.2. + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_C_STACK. + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Don't require AC__GNU_SOURCE, + now that configure.ac uses AC_GNU_SOURCE. + (jm_MACROS): Rename: jm_FUNC_FNMATCH to AC_FUNC_FNMATCH_GNU. + * prereq.m4 (jm_PREREQ_EXCLUDE): Likewise, wrt jm_FUNC_FNMATCH. + + Update to latest tools. Suggestions from Paul Eggert. + * stdbool.m4: New file, from diffutils-2.8.2. + * gnu-source.m4: Update from diffutils-2.8.2. + * fnmatch.m4: Likewise. + * prereq.m4: Change each use of AC_CHECK_HEADERS(stdbool.h) + to AC_HEADER_STDBOOL + +2002-06-21 Jim Meyering <jim@meyering.net> + + * c-bs-a.m4: Add comment, from diffutils-2.8.2. + * mbrtowc.m4: Likewise. + + * mbstate_t.m4: Update from diffutils-2.8.2. + * mbswidth.m4: Reflect name change: + s/AC_MBSTATE_T/AC_TYPE_MBSTATE_T. + * prereq.m4 (jm_PREREQ_QUOTEARG): Likewise. + + * lib-link.m4: Update from gettext-0.11.2. + * gettext.m4: Likewise. + + * jm-macros.m4 (jm_CHECK_ALL_HEADERS): Check for hurd.h. + From Alfred M. Szmidt. + +2002-05-19 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Check for st_author. + +2002-06-07 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_STAT): Check for sys/param.h and sys/mount.h. + They're needed at least for NetBSD 1.5.2. + ($statxfs_includes): Include those same headers. + ($statxfs_includes): Include sys/vfs.h if available. + ($statxfs_includes): Likewise for sys/statvfs.h. + Check for the following members in both structs statfs and statvfs: + f_basetype, f_type, f_fsid.__val, f_namemax, f_namelen. + +2002-06-01 Jim Meyering <jim@meyering.net> + + * d-type.m4 (jm_CHECK_TYPE_STRUCT_DIRENT_D_TYPE): Rename macro: + s/D_TYPE_IN_DIRENT/HAVE_STRUCT_DIRENT_D_TYPE/. + +2002-05-28 Jim Meyering <jim@meyering.net> + + * readdir.m4 (jm_FUNC_READDIR): Undefine `mkdir', not `rmdir'. + Reported by Volker Borchert. + +2002-05-27 Jim Meyering <jim@meyering.net> + + * gettimeofday.m4 (AC_FUNC_GETTIMEOFDAY_CLOBBER): Also replace + localtime. + + * readdir.m4 (jm_FUNC_READDIR): Undefine `rmdir' so we don't try to + use the replacement function; it wouldn't resolve at link time. + Reported by Volker Borchert. + +2002-04-30 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_STAT. + +2002-04-29 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ_HARD_LOCALE): Check for stdlib.h. + Do not check for alloca.h (no longer used) or stdbool.h (was never + used?). Add AM_C_PROTOTYPES since hard-locale.h uses it. + +2002-04-28 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ_SIG2STR): Remove; all callers changed. + +2002-04-29 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Remove use of AC_FUNC_STRNLEN. + * prereq.m4: Add jm_PREREQ_STRNLEN. + Use AC_FUNC_STRNLEN here instead. + + * jm-macros.m4: Don't AC_REQUIRE([AC_PROG_CC_STDC]). + With autoconf-2.53a, it's part of AC_PROG_CC. + +2002-04-28 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Add AC_REPLACE_FUNCS(sig2str). + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_SIG2STR. + +2002-04-24 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_HARD_LOCALE): New macro. + (jm_PREREQ): Use it. + + * getloadavg.m4: Check for these headers: locale.h unistd.h + mach/mach.h fcntl.h. + Check for this function: setlocale. + +2002-04-16 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_READUTMP): Also check for these members: + ut_pid, ut_id, ut_exit. + +2002-04-12 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (checking for getmntinfo function...): Remove now-bogus + check for f_type in sys/mount.h. Instead, just test for the existence + of the getmntinfo function. Needed for Darwin 5.3. + + * dirfd.m4 (UTILS_FUNC_DIRFD): Also detect when dirfd is a macro. + This is necessary at least on Darwin 5.3. + + * jm-macros.m4: Don't AC_REPLACE(strnlen), now that we use + AC_FUNC_STRNLEN. Otherwise, we'd end up putting two copies of strnlen.o + in the library, and that makes some versions of ranlib object. + +2002-04-09 Jim Meyering <jim@meyering.net> + + * malloc.m4: (jm_FUNC_MALLOC): Change the `checking ...' message + to be more precise. Rather than saying we're checking whether the + function `works', say what we're testing. + * realloc.m4 (jm_FUNC_REALLOC): Likewise. + Reported by Bruno Haible. + +2002-02-27 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Do not replace stime; no longer used. + Check for clock_settime. + +2002-02-25 Paul Eggert <eggert@twinsun.com> + + * acl.m4: New file. + * jm-macros.m4 (jm_MACROS): Require AC_FUNC_ACL. + Do not check for acl or sys/acl.h, as AC_FUNC_ACL does that now. + +2002-02-16 gettextize <bug-gnu-gettext@gnu.org> + + * codeset.m4: Upgrade to gettext-0.11. + * gettext.m4: Upgrade to gettext-0.11. + * glibc21.m4: Upgrade to gettext-0.11. + * iconv.m4: Upgrade to gettext-0.11. + * isc-posix.m4: Upgrade to gettext-0.11. + * lcmessage.m4: Upgrade to gettext-0.11. + * lib-ld.m4: New file, from gettext-0.11. + * lib-link.m4: New file, from gettext-0.11. + * lib-prefix.m4: New file, from gettext-0.11. + * progtest.m4: Upgrade to gettext-0.11. + +2002-02-15 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ_POSIXVER): New macro. + (jm_PREREQ): Use it. + +2002-01-26 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Require autoconf-2.52g. + * strnlen.m4: Remove file, now that it's part of autoconf. + +2002-01-22 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Require AC_FUNC_FSEEKO. + +2002-01-19 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Use AC_FUNC_STRNLEN. + Remove useless quotes: DF_PROG="df". + * strnlen.m4: New file. + +2001-12-14 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Check for iswspace. + Suggestion from Bruno Haible. + +2001-11-20 Jim Meyering <jim@meyering.net> + + * mkstemp.m4 (UTILS_FUNC_MKSTEMP): Update comment to reflect that + SunOS 4.1.4 and Solaris 2.5.1 lose, too. + +2001-11-19 Jim Meyering <jim@meyering.net> + + * mkstemp.m4 (UTILS_FUNC_MKSTEMP): Don't bother with a temporary + directory. Use "conftestXXXXXX" as the template. + Suggestion from Paul Eggert. + + * mkstemp.m4 (UTILS_FUNC_MKSTEMP): Close each descriptor immediately, + so the test doesn't mistakenly hit the max-open-files limit. + +2001-11-18 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_TEMPNAME): Check for declaration of getenv. + +2001-11-17 Jim Meyering <jim@meyering.net> + + * mkstemp.m4 (UTILS_FUNC_MKSTEMP): New file and macro. + Prompted by a report from Bob Proulx. + + * jm-macros.m4 (jm_MACROS): Don't test for mkstemp here. + Instead, require UTILS_FUNC_MKSTEMP. + +2001-11-11 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Remove code to set POW_LIBM. + Now, that's done as part of AC_FUNC_STRTOD. + +2001-10-22 Paul Eggert <eggert@twinsun.com> + + * jm-winsz1.m4 (jm_WINSIZE_IN_PTEM): Do not define + WINSIZE_IN_PTEM if <termios.h> defines struct winsize. + +2001-11-10 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_PHYSMEM): New function. + (jm_PREREQ): Use it. + +2001-11-09 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require autoconf-2.52f. + (AC_FUNC_ERROR_AT_LINE, AC_FUNC_OBSTACK, AC_FUNC_STRTOD): + Use these AC_-prefixed names, not the AM_-prefixed ones. + + * afs.m4 (jm_AFS): Quote the body. Patch by Akim Demaille. + +2001-11-04 Jim Meyering <jim@meyering.net> + + * fpending.m4: Remove unused cruft that saved, set, and restored $DEFS. + +2001-11-03 Jim Meyering <jim@meyering.net> + + * jm-glibc-io.m4n (jm_FUNC_GLIBC_UNLOCKED_IO): Quote first arg + of AC_DEFUN. + + * dirfd.m4 (UTILS_FUNC_DIRFD): Rework so dirfd.c doesn't have to + know the name of the variable in the macro definition. + +2001-11-01 Jim Meyering <jim@meyering.net> + + * dirfd.m4 (UTILS_FUNC_DIRFD): New macro. + * jm-macros.m4 (jm_MACROS): Require UTILS_FUNC_DIRFD. + +2001-10-20 Paul Eggert <eggert@twinsun.com> + + * error.m4 (jm_PREREQ_ERROR): + Do not invoke AC_CHECK_FUNCS with strerror_r, as + AC_FUNC_STRERROR_R does that. + Check for strerror declaration. + + * strerror_r.m4: Add copyright notice, as nontrivial m4 files + are supposed to have them these days. + (AC_FUNC_STRERROR_R): Always do char* test, so that it gets cached. + Merge changes from latest Autoconf CVS. + Rename ac_cv_func_strerror_r_works to ac_cv_func_strerror_r_char_p, + and rename HAVE_WORKING_STRERROR_R to STRERROR_R_CHAR_P, since + POSIX decided to standardize on the int flavor of strerror_r. + +2001-09-30 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): See if + `struct fsstat' has the `f_fstypename' member. + Use that to define FS_TYPE, which is now used to make + the getfsstat link test tighter. + +2001-09-29 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS) + [one-argument getmntent function]): Include stdio.h before mntent.h. + SunOS 4.1.x needs it for the declaration of `FILE'. + Patch by Volker Borchert. + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS) + Check for these headers: sys/param.h sys/ucred.h sys/mount.h + sys/fs_types.h, and make the link-test for getfsstat guard #include + directives with appropriate #if HAVE_*_H tests so that we can + detect getfsstat on Apple Darwin1.3.7 systems. + Reported by Nelson Beebe. + Fix harmless typo in cache variable name: s/getsstat/getfsstat/. + +2001-09-28 Paul Eggert <eggert@twinsun.com> + + Fix bug reported by Petter Reinholdtsen for HP-UX 10.20, which + #defines strtoimax. Also treat the other strto* functions + like strtoimax. + + * xstrtoimax.m4 (jm_AC_PREREQ_XSTRTOIMAX): + Check for strtoul and strtoumax, + as those declarations are made even in the signed case. + * xstrtoumax.m4 (jm_AC_PREREQ_XSTRTOUMAX): + Likewise, for strtol and strtoimax. + +2001-09-24 Jim Meyering <jim@meyering.net> + + * gettext.m4: Use the version from gettext-0.10.40, not CVS. + +2001-09-23 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Add a compile-test + instead of the mere test for existence of mntent.h. The latter + would get a false-positive on AIX 3.4 systems. + In the outer getmntent if-block, don't die if neither of the getmntent + tests succeeds. Instead, just fall through and continue with the + remaining tests. + +2001-09-22 Jim Meyering <jim@meyering.net> + + * gettext.m4: New file. From gettext. + * lcmessage.m4: Sync with gettext -- this changes only comments. + * progtest.m4: Likewise + * isc-posix.m4: Decrement serial number to sync with gettext. + * glibc21.m4: Likewise. + + * libintl.m4: Remove. No longer used. + +2001-09-20 Jim Meyering <jim@meyering.net> + + * xstrtoimax.m4 (jm_AC_PREREQ_XSTRTOIMAX): Check for declaration of + strtoimax. + * xstrtoumax.m4 (jm_AC_PREREQ_XSTRTOUMAX): Check for declaration of + strtoumax. + +2001-09-17 Jim Meyering <jim@meyering.net> + + * chown.m4, fstypename.m4, getgroups.m4, gettimeofday.m4, + * jm-mktime.m4, lstat.m4, malloc.m4, memcmp.m4, mkdir-slash.m4, + * nanosleep.m4, putenv.m4, readdir.m4, realloc.m4, rename.m4, + * st_dm_mode.m4, stat.m4, strerror_r.m4, timespec.m4, utimbuf.m4, + * utimes.m4: Use AC_DEFINE rather than AC_DEFINE_UNQUOTED, + whenever the right hand side need not be expanded by the shell. + +2001-09-16 Paul Eggert <eggert@twinsun.com> + + * fnmatch.m4 (jm_FUNC_FNMATCH): Remove test for GNU C + library. It's not correct, as some older glibcs are buggy. + fnmatch wasn't fixed until glibc 2.2. + + Use AC_DEFINE, not AC_DEFINE_UNQUOTED, as there's no + special shell magic here. + +2001-09-16 Jim Meyering <jim@meyering.net> + + * mkdir-slash.m4 (UTILS_FUNC_MKDIR_TRAILING_SLASH): New file/macro. + * jm-macros.m4: Require it. + +2001-09-15 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Check for help2man. + +2001-09-11 Jim Meyering <jim@meyering.net> + + * host-os.m4 (UTILS_HOST_OS): New file/macro. + The body, by Paul Eggert, was moved here from configure.in. + * jm-macros.m4: Require UTILS_HOST_OS. + +2001-09-04 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ_XREADLINK): New macro. + (jm_PREREQ): Use it. + +2001-09-03 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ_XGETCWD): Check for limits.h and + sys/param.h, as pathmax.h includes them. + +2001-09-03 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_XGETCWD. + (jm_PREREQ_XGETCWD): New macro. + + * getcwd.m4: New file. + +2001-09-01 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Check for canonicalize_file_name. + Used by df. + +2001-08-30 Paul Eggert <eggert@twinsun.com> + + Simplify code, partly by assuming autoconf 2.52 semantics. + + * Makefile.am (EXTRA_DIST): Remove uintmax_t.m4. + + * inttypes.m4 (AC_PREREQ): Bump to 2.52. + (jm_AC_HEADER_INTTYPES_H): Remove; now done by autoconf in 2.52. + All uses removed. + (jm_AC_TYPE_INTMAX_T, jm_AC_TYPE_UINTMAX_T): + Move AC_REQUIRE to next-to-top level, to avoid confusion. + Use 2.52's AC_CHECK_TYPE instead of merely looking for the header. + * prereq.m4 (jm_PREREQ_HUMAN): Don't require jm_AC_HEADER_INTTYPES_H. + * jm-macros.m4 (jm_MACROS): Likewise. + + * uintmax_t.m4: Remove, as it duplicates inttypes.m4. + + * xstrtoimax.m4 (jm_AC_PREREQ_XSTRTOIMAX): + Quote first arg of AC_DEFUN. + Require jm_AC_TYPE_UINTMAX_T and jm_AC_TYPE_UNSIGNED_LONG_LONG + since they are needed to parse the include file even if we need + only xstrtoimax. Simplify logic behind the args to AC_REPLACE. + * xstrtoumax.m4 (jm_AC_PREREQ_XSTRTOUMAX): Likewise, + but with opposite signedness. + +2001-08-30 Paul Eggert <eggert@twinsun.com> + + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_EXCLUDE. + (jm_PREREQ_EXCLUDE): New macro. + +2001-08-26 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require jm_AC_PREREQ_XSTRTOIMAX. + + * xstrtoimax.m4: New file. + * xstrtoumax.m4: Add comments explaining why we + AC_REPLACE_FUNCS(strtol). + +2001-06-20 Paul Eggert <eggert@twinsun.com> + + * inttypes.m4: Add AC_PREREQ(2.13). + (jm_AC_HEADER_INTTYPES_H): Test for intmax_t, too. + (jm_AC_TYPE_INTMAX_T): New macro. + (jm_AC_TYPE_UINTMAX_T): Moved here from uintmax_t.m4. + + * longlong.m4 (jm_AC_TYPE_LONG_LONG): New macro. + + * longlong.m4: Renamed from ulonglong.m4. + * inttypes.m4: Renamed from inttypes_h.m4. + * uintmax_t.m4: Removed. + +2001-08-12 Jim Meyering <jim@meyering.net> + + * afs.m4, assert.m4, bison.m4, check-decl.m4, chown.m4, d-ino.m4, + d-type.m4, dos.m4, error.m4, fnmatch.m4, fpending.m4, fstypename.m4, + fsusage.m4, ftruncate.m4, getgroups.m4, glibc.m4, gnu-source.m4, + group-member.m4, jm-glibc-io.m4, jm-macros.m4, jm-mktime.m4, + jm-winsz1.m4, jm-winsz2.m4, lchown.m4, lib-check.m4, libintl.m4, + link-follow.m4, ls-mntd-fs.m4, lstat.m4, malloc.m4, mbrtowc.m4, + mbstate_t.m4, mbswidth.m4, memcmp.m4, nanosleep.m4, perl.m4, + prereq.m4, putenv.m4, readdir.m4, realloc.m4, regex.m4, rename.m4, + rmdir-errno.m4, search-libs.m4, st_dm_mode.m4, st_mtim.m4, stat.m4, + strftime.m4, timespec.m4, unlink-busy.m4, uptime.m4, utimbuf.m4, + utime.m4, utimes.m4, xstrtoumax.m4: + Quote the first argument in each use of AC_DEFUN. + +2001-08-05 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require autoconf-2.52. + +2001-08-03 Paul Eggert <eggert@twinsun.com> + + The following changes are from gettext 0.10.39 as maintained by + Bruno Haible, except that getline.m4 continues to use AC_LIBOBJ. + + * codeset.m4: Upgrade to serial AM1. + (AM_LANGINFO_CODESET): Renamed from jm_LANGINFO_CODESET; + all uses changed. Quote first arg of AC_DEFUN. + (am_cv_langinfo_codeset): Renamed from jm_cv_langinfo_codeset. + + * iconv.m4: Upgrade to serial AM2. + (AM_ICONV): Renamed from jm_ICONV; all uses changed. + Add --with-libconv-prefix. + Quote first arg of AC_DEFUN. Add description for ICONV_CONST. + (am_cv_func_iconv): Renamed from jm_cv_func_iconv. + (am_cv_lib_iconv): Renamed from jm_cv_lib_iconv. + (am_cv_proto_iconv): Renamed from jm_cv_proto_iconv. + * jm-macros.m4 (jm_MACROS): Reflect s/jm_/AM_/ renamings. + + * c-bs-a.m4 (AC_C_BACKSLASH_A): Quote first arg of AC_DEFUN. + * getline.m4 (AM_FUNC_GETLINE): Likewise. + * glibc21.m4 (jm_GLIBC21): Likewise. + * inttypes_h.m4 (jm_AC_HEADER_INTTYPES_H): Likewise. + * isc-posix.m4 (AC_ISC_POSIX): Likewise. + * lcmessage.m4 (AM_LC_MESSAGES): Likewise. + * progtest.m4 (AM_PATH_PROG_WITH_TEST): Likewise. + * uintmax_t.m4 (jm_AC_TYPE_UINTMAX_T): Likewise. + * ulonglong.m4 (jm_AC_TYPE_UNSIGNED_LONG_LONG): Likewise. + + * getline.m4 (AM_FUNC_GETLINE): Don't bother checking for + string.h any more. + + * progtest.m4 (AM_PATH_PROG_WITH_TEST): If not found, print "no", + not the default value. + + 2001-06-25 Bruno Haible <haible@clisp.cons.org> + * mbswidth.m4 (jm_PREREQ_MBSWIDTH): Don't require AM_C_PROTOTYPES. + Also check for mbsinit. Needed for SCO 3.2v5.0.2. + Also include <string.h>; this is where AIX 3.2.5 declares wcwidth. + Also check for iswcntrl, used for wcwidth fallback. + Use AC_TRY_COMPILE to emulate AC_CHECK_DECLS, for portability + to Autoconf 2.13. + +2001-08-03 Jim Meyering <jim@meyering.net> + + * mbrtowc.m4 (jm_FUNC_MBRTOWC): Use `#include', not `@%:@include', + as it was in the original. Reported by Paul Eggert. + +2001-07-16 Jim Meyering <jim@meyering.net> + + * gettimeofday.m4: New file. + Prompted by a report from Bernhard Baehr. + +2001-07-15 Jim Meyering <jim@meyering.net> + + * Makefile.am.in (Makefile.am): Remove most of the unlocked-io.h stuff. + Now it's in ../Makefile.cfg. + +2001-07-04 Jim Meyering <jim@meyering.net> + + * Makefile.am.in (glibc-io.struct): New target. Rework the code + that generates jm-glibc-io.m4 so that it doesn't trigger any make + distcheck failure. + +2001-07-02 Jim Meyering <jim@meyering.net> + + The following changes were prompted by suggestions from Bruno Haible. + + * jm-glibc-io.m4n: New file, the template from which jm-glibc-io.m4 + is now generated. + * Makefile.am.in (Makefile.am): Include jm-glibc-io.m4n in emitted + definition of EXTRA_DIST. + (Makefile.am): Emit the dependency, `all-local: jm-glibc-io.m4' to + ensure that the generated file is created/updated whenever the list + of $(unlocked_functions) is changed. + (jm-glibc-io.m4): New rule. + (unlocked-io.h): New rule -- currently unused. + +2001-06-24 Jim Meyering <jim@meyering.net> + + * regex.m4 (jm_INCLUDED_REGEX): Use a quadrigraph to represent an + unmatched right bracket, rather than kludging it with an extra, + falsely-matching quote in a comment. Patch by Akim Demaille. + +2001-05-27 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_READUTMP): Check for ut_type in struct utmpx. + Check for ut_type in struct utmp. + +2001-05-22 Jim Meyering <jim@meyering.net> + + * strftime.m4 (_jm_STRFTIME_PREREQS): Don't use AC_LIBOBJ(strftime), + now that we use the package-supplied version unconditionally. + (jm_FUNC_STRFTIME): Don't replace strftime, for the same reason. + +2001-05-21 Jim Meyering <jim@meyering.net> + + * regex.m4: Change a couple backticks to single quotes to avoid shell + syntax errors. + +2001-05-19 Alexandre Duret-Lutz <duret_g@epita.fr> + + * dos.m4 (jm_AC_DOS): Check for _WIN32, __WIN32__, and __MSDOS__. + +2001-05-11 Paul Eggert <eggert@twinsun.com> + + * strftime.m4 (jm_FUNC_GNU_STRFTIME): + Don't bother to check library strftime, since + we'll be using our own my_strftime function anyway. + Define my_strftime instead of strftime. + +2001-05-15 Jim Meyering <jim@meyering.net> + + * regex.m4: Use proper quoting so brackets appear in the test program. + Reported by, and with help from, Bruno Haible. + +2001-05-13 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (major_t, minor_t): Define to unsigned int if undefined. + +2000-11-26 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Do not check for fseeko; no longer used. + +2001-04-21 Jim Meyering <jim@meyering.net> + + * rmdir-errno.m4: Write to a new file, so that a restrictive umask + doesn't interfere. + +2001-04-21 Alexandre Duret-Lutz <duret_g@epita.fr> + + * ftruncate.m4: Check for chsize. + Link with ftruncate.o unconditionally if ftruncate is missing. + This was required when cross-compiling to i586-mingw32msvc. + +2001-03-24 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require autoconf-2.49d. + +2001-03-20 Bruno Haible <haible@clisp.cons.org> + + * iconv.m4 (jm_ICONV): Recommend GNU libiconv. + +2001-03-17 Jim Meyering <jim@meyering.net> + + * memcmp.m4 (jm_AC_FUNC_MEMCMP): Remove my copy of AC_FUNC_MEMCMP, + now that the version in autoconf is equivalent. + (jm_FUNC_MEMCMP): Adjust to use AC_FUNC_MEMCMP. + + * error.m4 (jm_PREREQ_ERROR): Invoke AC_FUNC_STRERROR_R. + Suggestion from Akim Demaille. + + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_TEMPNAME. + (jm_PREREQ_TEMPNAME): New function. + +2001-02-25 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_MACROS): Use mkstemp replacement if the system + lacks mkstemp. Compile our own tempname.c if we compile our own + mkstemp.c, as mkstemp relies on tempname. + +2001-03-01 Jim Meyering <jim@meyering.net> + + * dos.m4 (jm_AC_DOS): Remove extra backslashes, now that + AH_VERBATIM really does output its argument verbatim. + +2001-02-18 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_CHECK_ALL_HEADERS): Check for sys/resource.h. + +2001-02-17 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Don't check for + getmntent via AC_CHECK_FUNCS, since that would get a `no' and disrupt + further attempts by AC_FUNC_GETMNTENT to check with e.g., -lgen on + UnixWare 7.1.1. + + * mbrtowc.m4 (jm_FUNC_MBRTOWC): Adapt to use AC_CACHE_CHECK etc., + rather than AC_CACHE_VAL. + +2001-02-17 Paul Eggert <eggert@twinsun.com> + + * mbrtowc.m4: New file, defining jm_FUNC_MBRTOWC. + * mbswidth.m4 (jm_PREREQ_MBSWIDTH): + Use jm_FUNC_MBRTOWC, not AC_CHECK_FUNCS(mbrtowc). + * prereq.m4 (jm_PREREQ_QUOTEARG): Likewise. + +2001-02-07 Jim Meyering <jim@meyering.net> + + * regex.m4 (jm_INCLUDED_REGEX): Add a test for the latest bug. + +2001-02-05 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require autoconf-2.14d (not yet released), because + it includes the patch required for `large file' support with at least + HP-UX's 10.20 /bin/cc. + +2001-02-03 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Restore prior use of + AS_IF, now that it works once again (mysteriously). + * fsusage.m4 (jm_FILE_SYSTEM_USAGE): Likewise. + +2001-01-30 Jim Meyering <jim@meyering.net> + + Don't use filenames that are 8.3-equivalent to "conftest" on DOS. + * chown.m4: Rename conftestchown to conftest.chown. + * rename.m4: s/conftestdir/conftest.d1/ and s/conftestdir2/conftest.d2/. + * utimes.m4: s/conftestdata/conftest.data/ + Inspired by Pavel Roskin's change in autoconf. + +2001-01-27 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Open-code what was + a use of AS_IF. + * fsusage.m4 (jm_FILE_SYSTEM_USAGE): Likewise. + +2001-01-26 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_QUOTEARG): Check for stddef.h, now that + quotearg.c includes it. + +2001-01-15 Bruno Haible <haible@clisp.cons.org> + + * iconv.m4 (jm_ICONV): Also check whether the iconv declaration + has const. + +2001-01-20 Jim Meyering <jim@meyering.net> + + Be sure that headers are checked before used in code compiled + for the type checks. + * jm-macros.m4 (jm_MACROS): Remove all header checks. + In place of that, invoke jm_CHECK_ALL_TYPES. + (jm_CHECK_ALL_HEADERS): New functions with the above checks. + (jm_CHECK_ALL_TYPES): Require jm_CHECK_ALL_HEADERS. + Alan Iwi reported a build failure on an f300-fujitsu-uxpv4.1_ES; + The check for ssize_t was mistakenly run before the test for unistd.h. + + The configure-time check for stdbool.h was missing. + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_HASH. + (jm_PREREQ_HASH): New function. + +2001-01-17 Jim Meyering <jim@meyering.net> + + * fsusage.m4 (jm_FILE_SYSTEM_USAGE): Use AS_IF, not AS_IFELSE, + for autoconf-2.49c. + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Likewise. + +2001-01-14 Jim Meyering <jim@meyering.net> + + * rename.m4: Use temporary directories named conftestdir{,2}, not + foo and bar. Create conftestdir/ in the script, not in the C code. + Remove directories in the script, not in the C code. + Remove conftestdir{,2} before trying to create the directory. + Make the entire configure script fail if the mkdir fails. + +2001-01-02 Volker Borchert <bt@teknon.de> + + * rename.m4: New file. + * jm-macros.m4 (jm_MACROS): Require vb_FUNC_RENAME. + +2001-01-01 Alexandre Duret-Lutz <duret_g@epita.fr> + + * libintl.m4 (AM_GNU_GETTEXT): Define MKINSTALLDIRS by + expanding the value of $ac_aux_dir, as in AM_MISSING_HAS_RUN, + so `make install' also works in VPATH builds. + +2001-01-01 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_READUTMP): Include utmp.h (if available), even + on systems with utmpx.h. It's necessary for the declaration of utmp's + ut_user member. Reported by Andreas Jaeger. + + * check-decl.m4 (jm_CHECK_DECLS): Include grp.h and pwd.h if available. + They are required for the declarations of getgrgid and getpwuid resp. + (_jm_DECL_HEADERS): Check for grp.h and pwd.h. + Reported by Andreas Jaeger. + +2000-12-25 Alexandre Duret-Lutz <duret_g@epita.fr> + + * libintl.m4 (AM_WITH_NLS): When using AC_CONFIG_AUX_DIR, + prepend $(top_srcdir) to the value of MKINSTALLDIRS so that it + can be used in subdirectories. + +2000-12-26 Jim Meyering <jim@meyering.net> + + * dos.m4 (jm_AC_DOS): Rewrite (though it's still a stub) to work better + with autoheader. + +2000-12-17 Jim Meyering <jim@meyering.net> + + * dos.m4 (jm_AC_DOS): New file and macro. + * jm-macros.m4 (jm_MACROS): Require jm_AC_DOS. + +2000-12-06 Paul Eggert <eggert@twinsun.com> + + * off_t-format.m4: Remove this file. + * jm-macros.m4 (jm_MACROS): Remove jm_SYS_OFF_T_PRINTF_FORMAT. + +2000-12-06 Jim Meyering <jim@meyering.net> + + * xstrtoumax.m4 (jm_AC_PREREQ_XSTRTOUMAX): If we need the replacement + strtoull, we may well need the replacement strtoul, too. + Check for declarations of strtoul and strtoull. + Check for strtol. Mainly as a cue to cause automake to include + strtol.c -- that file is included by each of strtoul.c and strtoull.c. + Check for limits.h -- strtol.c needs it. + +2000-12-02 Jim Meyering <jim@meyering.net> + + * off_t-format.m4 (OFF_T_PRINTF_FORMAT_STRING): New file/macro. + * jm-macros.m4 (jm_MACROS): require it. + +2000-11-30 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Check for stdint.h. + +2000-11-30 Jim Meyering <jim@meyering.net> + + * getloadavg.m4: s/ifval/m4_ifval/ to accommodate new autoconf. + +2000-11-03 Bruno Haible <haible@clisp.cons.org> + + * jm-macros.m4 (jm_MACROS): Add test for wcrtomb. + +2000-11-04 Jim Meyering <jim@meyering.net> + + * regex.m4: Use the `m4_' prefix on `syscmd' and `m4_sysval'. + +2000-10-29 Jim Meyering <jim@meyering.net> + + * fsusage.m4: s/AC_SHELL_IFELSE/AS_IFELSE/ to match autoconf renaming. + * ls-mntd-fs.m4: Likewise + +2000-10-28 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ): Add jm_PREREQ_MEMCHR. + (jm_PREREQ_MEMCHR): New function. + +2000-10-21 Jim Meyering <jim@meyering.net> + + * check-decl.m4 (jm_CHECK_DECLS): Also check for memrchr. + * prereq.m4 (jm_PREREQ_DIRNAME): New macro. + * jm-macros.m4 (AC_REPLACE_FUNCS): Add memrchr. + +2000-09-18 Jim Meyering <jim@meyering.net> + + * getloadavg.m4 (AC_FUNC_GETLOADAVG): Restore the initial value of LIBS. + Otherwise, everyone ends up linking with -lelf for some configurations. + Reported by Mike Stone. + +2000-08-26 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Use jm_FUNC_FPENDING. + * fpending.m4: New file. + +2000-08-20 Jim Meyering <jim@meyering.net> + + * check-decl.m4: Include utmp.h `#if HAVE_UTMP_H', rather than + `#if !HAVE_UTMPX_H'. The latter would lose on systems with neither + utmp.h nor utmpx.h. Reported by Eli Zaretskii. + +2000-08-11 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + Improve fileutils installation on systems where running + programs (like install) can't be unlinked. + * unlink-busy.m4 (jm_FUNC_UNLINK_BUSY_TEXT): New file/macro. + * jm-macros.m4: Use jm_FUNC_UNLINK_BUSY_TEXT. + +2000-08-06 Paul Eggert <eggert@twinsun.com> + + * mbstate_t.m4 (AC_MBSTATE_T): Define mbstate_t to be int, + not char, for compatibility with glibc 2.1.3 strftime.c. + +2000-07-23 Paul Eggert <eggert@twinsun.com> + + * mbswidth.m4 (jm_PREREQ_MBSWIDTH): Check for wcwidth declaration. + +2000-07-23 Jim Meyering <jim@meyering.net> + + * check-decl.m4 (jm_CHECK_DECLS): Check for declarations of these, too: + getgrgid, getpwuid, getuid. + +2000-07-16 Bruno Haible <haible@clisp.cons.org> + + * mbswidth.m4: New file. + * prereq.m4 (jm_PREREQ): Call jm_PREREQ_MBSWIDTH. + +2000-07-14 Jim Meyering <jim@meyering.net> + + * xstrtoumax.m4 (jm_AC_PREREQ_XSTRTOUMAX): Require jm_AC_TYPE_UINTMAX_T. + +2000-07-10 Paul Eggert <eggert@twinsun.com> + + From a suggestion by Bruno Haible. + * mbstate_t.m4 (AC_MBSTATE_T): + Renamed from AC_MBSTATE_T_OBJECT. All uses changed. + Change from a two-part test, which defines both HAVE_MBSTATE_T_OBJECT + and mbstate_t, to a single-part test that simply defines mbstate_t. + * prereq.m4 (jm_PREREQ_QUOTEARG): s/AC_MBSTATE_T_OBJECT/AC_MBSTATE_T/. + +2000-07-10 Jim Meyering <jim@meyering.net> + + * strerror_r.m4: Mirror the correction made in autoconf. + + * gnu-source.m4: Output to confdefs.h directly. + Suggestion from Akim Demaille. + +2000-07-09 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Add a test to see if -lm is required + to link seq. If so, set SEQ_LIBM to -lm. From Bruno Haible. + + * gnu-source.m4 (AC__GNU_SOURCE): New file/macro. + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Require it. + +2000-07-05 Bruno Haible <haible@clisp.cons.org> + + * strerror_r.m4 (AC_FUNC_STRERROR_R): Pass a reasonably large buffer + to strerror_r. + Include <ctype.h> for use of isalpha. + +2000-07-05 Paul Eggert <eggert@twinsun.com> + and Bruno Haible <haible@clisp.cons.org> + + * mbstate_t.m4 (AC_MBSTATE_T_OBJECT): Test for mbstate_t + only if the test for an object-type mbstate_t fails. This + prevents us from mistakenly reporting that mbstate_t is a + system object type after we "#define mbstate_t int" to work + around its lack. + +2000-07-04 Jim Meyering <jim@meyering.net> + + * fsusage.m4 (jm_FILE_SYSTEM_USAGE): Use plain old `echo' instead + of the deprecated AC_CHECKING. + +2000-07-03 Jim Meyering <jim@meyering.net> + + * check-decl.m4 (AC_CHECK_DECLS): Add strnlen. + +2000-07-03 Paul Eggert <eggert@twinsun.com> + + * mbstate_t.m4 (AC_MBSTATE_T_OBJECT): Port to autoconf 2.13. + Add AC_CHECK_HEADERS(stdlib.h), since we use HAVE_STDLIB_H. + +2000-07-02 Jim Meyering <jim@meyering.net> + + * mbstate_t.m4: Also define mbstate_t, if necessary. + + * chown.m4: Replace each use of AC_SUBST(LIBOBJS)/LIBOBJS=... with + AC_LIBOBJ(function_name). + * chown.m4: Likewise. + * fnmatch.m4: Likewise. + * ftruncate.m4: Likewise. + * getgroups.m4: Likewise. + * getline.m4: Likewise. + * group-member.m4: Likewise. + * jm-macros.m4: Likewise. + * lstat.m4: Likewise. + * malloc.m4: Likewise. + * memcmp.m4: Likewise. + * nanosleep.m4: Likewise. + * putenv.m4: Likewise. + * realloc.m4: Likewise. + * regex.m4: Likewise. + * stat.m4: Likewise. + * strftime.m4: Likewise. + +2000-07-01 Jim Meyering <jim@meyering.net> + + * ls-mntd-fs.m4: Remove a `FIXME' comment and fix the associated + problem. + +2000-06-17 Bruno Haible <haible@clisp.cons.org> + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Rename BeOS specific + macro from MOUNTED_NEXT_DEV to MOUNTED_FS_STAT_DEV. + +2000-07-01 Jim Meyering <jim@meyering.net> + + * uptime.m4: Put double quotes around use of $cross_compiling. + +2000-06-28 Jim Meyering <jim@meyering.net> + + * mbstate_t.m4: Use stdlib.h, not stdio.h. The latter is not included + by quotearg.c, for which we perform this test. From Bruno Haible. + +2000-06-17 Bruno Haible <haible@clisp.cons.org> + + * check-decl.m4 (_jm_DECL_HEADERS): Check for utmp.h as well. + * prereq.m4 (jm_PREREQ_READUTMP): Likewise. If either <utmp.h> or + <utmpx.h> exists, put readutmp.o into LIBOBJS. + +2000-06-25 Jim Meyering <jim@meyering.net> + + * mbstate_t.m4: Include stdio.h before wchar.h to work around + Linux header bug when _XOPEN_SOURCE is defined to 500. + +2000-06-24 Jim Meyering <jim@meyering.net> + + * strerror_r.m4: Revive this file -- to try out an experimental + version of AC_FUNC_STRERROR_R that may work even on BeOS, a system + for which strerror does return char*, but which lacks a conveniently + accessible declaration of the function. If the compile-test says + strerror_r doesn't work, then resort to a `run'-test that works on + BeOS and segfaults on DEC Unix. + +2000-06-19 Paul Eggert <eggert@twinsun.com> + + * mbstate_t.m4: New file, defining AC_MBSTATE_T_OBJECT. + * prereq.m4 (jm_PREREQ_QUOTEARG): Use it. Add check for iswprint. + +2000-06-23 Jim Meyering <jim@meyering.net> + + * afs.m4: Add missing AC_MSG_RESULT. + Reported by Bruno Haible. + + * fsusage.m4: s/AC_MSG_CHECKING/AC_CHECKING/. + Suggestion from Bruno Haible. + +2000-06-21 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Add getpass. + +2000-06-18 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Remove mkdir. + + * link-follow.m4 (jm_AC_FUNC_LINK_FOLLOWS_SYMLINK): Change the + `checking whether...' message to be consistent with that of the + lstat test. + +2000-06-16 Bruno Haible <haible@clisp.cons.org> + + * glibc21.m4 (jm_GLIBC21): Define GLIBC21 for Makefiles, not for C. + +2000-06-12 Jim Meyering <jim@meyering.net> + + * getloadavg.m4 (AM_FUNC_GETLOADAVG): Replace with AC_FUNC_GETLOADAVG + from autoconf, and tweak the latter to accept an optional argument. + * jm-macros.m4: s/AM_FUNC_GETLOADAVG/AC_FUNC_GETLOADAVG/, and supply + the optional argument, `lib'. + +2000-06-08 Jim Meyering <jim@meyering.net> + + * largefile.m4: Remove file (now that it's part of autoconf). + +2000-06-04 Paul Eggert <eggert@twinsun.com> + + Rewrite largefile configuration so that we don't need to run + getconf and don't need AC_CANONICAL_HOST. [I'm leaving the use of + AC_CANONICAL_HOST in configure.in -- jmm] + + * largefile.m4 (AC_SYS_LARGEFILE_FLAGS, + AC_SYS_LARGEFILE_SPACE_APPEND): Remove. + (AC_SYS_LARGEFILE_TEST_INCLUDES): New macro. + (AC_SYS_LARGEFILE_MACRO_VALUE): Change arguments from + CODE-TO-SET-DEFAULT to VALUE, INCLUDES, FUNCTION-BODY. + All uses changed. + Instead of inspecting the output of getconf, try to compile the + test program without and with the macro definition. + (AC_SYS_LARGEFILE): Do not require AC_CANONICAL_HOST or check + for getconf. Instead, check for the needed flags by compiling + test programs. + +2000-06-03 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_HUMAN): Use []-quoted list in AC_CHECK_DECLS, + now that autoconf requires that. + + * jm-glibc-io.m4: Add a kludge to make autoheader emit the required + #undefs. E.g., #undef HAVE_DECL_FERROR_UNLOCKED. + Use []-quoted list in AC_CHECK_DECLS, now that autoconf requires that. + +2000-05-26 Bruno Haible <haible@clisp.cons.org> + + * glibc21.m4: New file. + * jm-macros.m4 (jm_MACROS): Call jm_GLIBC21. + +2000-05-28 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK): Rename from + jm_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK. + * stat.m4: Likewise. + * lstat.m4: Likewise. + * lstat-slash.m4: Remove file (absorbed into autoconf). + + * jm-macros.m4 (AC_FUNC_STRERROR_R): Rename from jm_FUNC_STRERROR_R. + * strerror_r.m4: Remove file (absorbed into autoconf). + +2000-05-26 Jim Meyering <jim@meyering.net> + + * uptime.m4: Use `$cross_compiling', not `$ac_cv_prog_cc_cross'. + +2000-05-24 Jim Meyering <jim@meyering.net> + + * prereq.m4: Use []-quoted list in AC_CHECK_MEMBERS, now that + autoconf requires that. + * lib-check.m4: Likewise. + * jm-macros.m4: Likewise. + * strftime.m4: Likewise. + + * check-decl.m4 (jm_CHECK_DECLS): Use []-quoted list in AC_CHECK_DECLS, + now that autoconf requires that. + +2000-05-22 Jim Meyering <jim@meyering.net> + + * stat.m4: Require jm_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK. + * lstat.m4: Likewise. + +2000-05-20 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_HUMAN): New macro. + (jm_PREREQ): Use it. + +2000-05-09 Jim Meyering <jim@meyering.net> + + * gettext.m4: Rename this... + * libintl.m4: ...to this. + +2000-05-06 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Add atexit. + (AC_REPLACE_FUNCS): Add strnlen. + + * rmdir-errno.m4 (fetish_FUNC_RMDIR_NOTEMPTY): New macro and file. + * jm-macros.m4: Require fetish_FUNC_RMDIR_NOTEMPTY. + + * nanosleep.m4 (jm_FUNC_NANOSLEEP): Save and restore LIBS around + AC_SEARCH_LIBS call for nanosleep. + (LIB_NANOSLEEP): Set and AC_SUBST. + +2000-05-03 Paul Eggert <eggert@twinsun.com> + + * largefile.m4 (AC_SYS_LARGEFILE): Define _XOPEN_SOURCE to + be 500, instead of _GNU_SOURCE to be 1, to work around glibc + 2.1.3 bug. This avoids a clash when files like regex.c define + _GNU_SOURCE. + +2000-05-05 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_MACROS): Save and restore LIBS around AC_SEARCH_LIBS + call for clock_gettime. + (LIB_CLOCK_GETTIME): Set and AC_SUBST. + + * search-libs.m4: Update from autoconf. + + su doesn't work on Solaris 2.6. + * lib-check.m4: When checking for struct spwd.sp_pwdp, also include + <shadow.h>. Reported by Dragos Harabor. + +2000-05-03 Jim Meyering <jim@meyering.net> + + * check-decl.m4 (AC_CHECK_DECLS): Add strndup. + +2000-05-02 Paul Eggert <eggert@twinsun.com> + + * largefile.m4 (AC_SYS_LARGEFILE): Define _GNU_SOURCE if + this is needed to make ftello visible (e.g. glibc 2.1.3). Use + compile-time test, rather than inspecting host and OS, to + decide whether to define _LARGEFILE_SOURCE. + +2000-05-01 Jim Meyering <jim@meyering.net> + + * fsusage.m4: Use AC_MSG_CHECKING instead of obsolete AC_CHECKING. + + * ls-mntd-fs.m4 (jm_LIST_MOUNTED_FILESYSTEMS): Add BeOS support. + Based on a patch from Bruno Haible. + +2000-04-18 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_GETPAGESIZE): New macro. + (jm_PREREQ): Use it. + +2000-04-17 Jim Meyering <jim@meyering.net> + + Get it right :-) + * jm-macros.m4 (jm_CHECK_ALL_TYPES) [_GNU_SOURCE]: Emit the + actual #define via AH_VERBATIM. Don't need separate AC_DEFINE. + Suggestion from Akim Demaille. + +2000-04-14 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES) [_GNU_SOURCE]: Use the one-arg form + of AC_DEFINE. Otherwise, the #ifndef in AH_VERBATIM gets clobbered. + +2000-04-13 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES) [_GNU_SOURCE]: Use new AH_VERBATIM + to insert required #ifndef into config.h.in. + Suggestion from Akim Demaille. + +2000-04-12 Jim Meyering <jim@meyering.net> + + * getloadavg.m4 (AM_FUNC_GETLOADAVG): Use AC_CHECK_HEADERS, not + `AC_CHECK_HEADER' to check for locale.h. Thanks to a report from + Christian Krackowizer. + + More code moved from ../configure.in into (jm_CHECK_ALL_TYPES). + * jm-macros.m4 (_GNU_SOURCE): Define. + (AC_SYS_LARGEFILE): Require. + (AM_C_PROTOTYPES): Require. + +2000-04-05 Paul Eggert <eggert@twinsun.com> + + * largefile.m4 (AC_SYS_LARGEFILE_FLAGS): Don't use -n32 on + IRIX if the installer said otherwise. + +2000-04-05 Jim Meyering <jim@meyering.net> + + Portability tweaks required for ultrix4.3. + * check-decl.m4 [!HAVE_UTMPX_H] (headers): Include <utmp.h>. + (jm_CHECK_DECLS): Add getutent to the list of functions. + (_jm_DECL_HEADERS): Add utmpx.h. + From John David Anglin. + + * strftime.m4: Back out the 2000-04-02 change. + Instead of that change, simply undefine putenv in the test program. + +2000-04-03 Jim Meyering <jim@meyering.net> + + * gettext.m4: Fix typo in comment. + + * codeset.m4 (AC_CHECK_HEADERS): Add langinfo.h (moved here from + textutils/configure.in). Suggestion from Paul Eggert. + (AC_CHECK_FUNCS): Add nl_langinfo. (also from textutils/configure.in) + +2000-04-02 Paul Eggert <eggert@twinsun.com> + + * strftime.m4 (jm_FUNC_GNU_STRFTIME): Set TZ environment + variable in the shell rather than using putenv, which isn't + portable. This avoids the configure-time inter-test dependency + on the potentially-renamed putenv function. + +2000-03-30 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Include <sys/stat.h> + before checking struct stat.st_blksize, so that + HAVE_STRUCT_STAT_ST_BLKSIZE is defined correctly. + +2000-03-29 Paul Eggert <eggert@twinsun.com> + + * strftime.m4 (_jm_STRFTIME_PREREQS): Check for strftime, + since strftime.c uses HAVE_STRFTIME to decide whether to use + the underlying strftime. + +2000-03-10 Jim Meyering <jim@meyering.net> + + * lib-check.m4: Look for getspnam in -lgen, too. + From Marco Franzen. + +2000-02-02 Bruno Haible <haible@clisp.cons.org> + + * codeset.m4: New file. + * iconv.m4: New file. + * jm-macros.m4 (jm_MACROS): Call jm_LANGINFO_CODESET and jm_ICONV. + +2000-03-04 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Require AC_C_VOLATILE, + for lib/localcharset.c. + +2000-03-03 Jim Meyering <jim@meyering.net> + + * regex.m4: Make sure re_compile_pattern accepts patterns like `{1'. + +2000-03-02 Jim Meyering <jim@meyering.net> + + * timespec.m4: Require AC_HEADER_TIME before the cache check so + the messages come out on separate lines. + + * jm-glibc-io.m4 (jm_FUNC_GLIBC_UNLOCKED_IO): Use AC_CHECK_DECLS, + rather than jm_CHECK_DECLARATIONS. + * decl.m4: Remove now-unused file. + + * check-decl.m4 (AC_CHECK_DECLS): Add getlogin, ttyname, and geteuid. + +2000-02-27 Jim Meyering <jim@meyering.net> + + * check-decl.m4: Add getenv to the list. + +2000-02-23 Jim Meyering <jim@meyering.net> + + * check-decl.m4: Now that we have the new AC_CHECK_DECLS, use it + in place of my hack. + +2000-02-10 Jim Meyering <jim@meyering.net> + + * nanosleep.m4 (jm_FUNC_NANOSLEEP): Rename replacement function from + gnu_nanosleep to rpl_nanosleep. + +2000-02-09 Jim Meyering <jim@meyering.net> + + * lib-check.m4 (jm_LIB_CHECK): Fix typo: check for sp_pwdp in + struct spwd, rather than in struct passwd. Reported by Gaël Quéri. + +2000-02-08 Akim Demaille <akim@epita.fr> + + * largefile.m4 (AC_SYS_LARGEFILE_FLAGS): Quote square brackets with + `[' and `]' and remove uses of `changequote'. + (AC_SYS_LARGEFILE_MACRO_VALUE): Likewise. + (AC_SYS_LARGEFILE): Likewise. + * gettext.m4 (AM_GNU_GETTEXT): Likewise. + * strftime.m4 (jm_FUNC_GNU_STRFTIME): Remove now-unnecessary use + of changequote. + * regex.m4 (jm_INCLUDED_REGEX): Likewise. + * readdir.m4 (jm_FUNC_READDIR): Likewise + * memcmp.m4 (jm_AC_FUNC_MEMCMP): Likewise, and add `int' for main. + * getloadavg.m4 (AM_FUNC_GETLOADAVG): Likewise. + +2000-02-05 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Require most macros. + Remove explicit use of AC_HEADER_TIME. It is required by + jm_CHECK_TYPE_STRUCT_TIMESPEC. Using AC_HEADER_TIME and + `AC_REQUIRE'ing jm_CHECK_TYPE_STRUCT_TIMESPEC provoked a but + in autoconf whereby the expansion of the latter ended up preceding + the expansion of its prerequisite, AC_HEADER_TIME. + Reported by Volker Borchert. + +2000-02-03 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_READUTMP): Check for utmpxname. + +2000-02-02 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_ADDEXT): Fix typo that resulted in no + definition of HAVE_PATHCONF: s/AC_CHECK_FUNC/AC_CHECK_FUNCS/. + Reported by Eli Zaretskii. + +2000-01-31 Jim Meyering <jim@meyering.net> + + * check-decl.m4 (jm_CHECK_DECLS): Add nanosleep to the list of + functions. Add the time.h and sys/time.h headers along with the + AC_REQUIRE'ment of AC_HEADER_TIME. + +2000-01-30 Jim Meyering <jim@meyering.net> + + * lib-check.m4: Clean up some kludgy old shadow password tests. + + * prereq.m4 (utmp_includes): Define. + Check for ut_user and ut_name members in both struct utmpx + and struct utmp. + +2000-01-29 Jim Meyering <jim@meyering.net> + + * lib-check.m4: New file containing library-related checks from + fileutils and sh-utils (textutils had none). + +2000-01-28 Jim Meyering <jim@meyering.net> + + * perl.m4: Change format of warning message to look more like that + from the missing script. Suggestion from François Pinard. + +2000-01-25 Jim Meyering <jim@meyering.net> + + * timespec.m4: Require AC_HEADER_TIME, and include sys/time.h as well + as time.h in the compile check. + * nanosleep.m4: Require AC_HEADER_TIME rather than simply using it. + Fix typo in cross-compiling case: s/yes/no/. + +2000-01-23 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Move df-related tests here from fileutils/configure.in + + * ls-mntd-fs.m4: s/list_mounted_fs/ac_list_mounted_fs/ + (jm_LIST_MOUNTED_FILESYSTEMS): Take two parameters. + + * fsusage.m4: New file. Extracted from fileutils/configure.in. + s/space/ac_fsusage_space/. + (jm_FILE_SYSTEM_USAGE): Take two parameters. + + * ftruncate.m4: New file (derived from part of fileutils/configure.in). + * jm-macros.m4 (jm_FUNC_FTRUNCATE): AC_REQUIRE it. + (jm_CHECK_ALL_TYPES): Require AC_HEADER_MAJOR and AC_HEADER_DIRENT. + + * jm-macros.m4 (OPTIONAL_BIN_PROGS, OPTIONAL_BIN_ZCRIPTS, MAN): + AC_SUBST these here, rather than just in sh-util/configure.in, so + that the now-shared-by-fileutils-and-textutils lib/Makefile.am are + all the same. + (AM_FUNC_OBSTACK): Add (from fileutils/configure.in). + (AC_CHECK_FUNCS): Merge all checks from fileutils, textutils, sh-utils. + (AM_FUNC_STRTOD): Added (from textutils', sh-utils' configure.in). + (AC_SUBST(POW_LIBM)): Likewise. + (AC_SUBST(DF_PROG)): Moved from fileutils/configure.in. + +2000-01-22 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Call AC_PROG_CC_STDC just before AC_C_CONST. + + * prereq.m4 (jm_PREREQ_QUOTEARG): Add wctype.h. + + * jm-macros.m4 (AC_CHECK_HEADERS): Add checks from fileutils' + configure.in + (AC_CHECK_HEADERS): Likewise for sh-utils. + (AC_CHECK_HEADERS): Likewise for textutils. + Merge the three lists of headers. + + * prereq.m4 (jm_PREREQ_ADDEXT): New macro. Parts moved here + from fileutils' configure.in. + + * decl.m4: Remove kludgy `test -z $ac_...AC_CHECK_HEADERS(...)' code. + Moved tests into their own function (_jm_DECL_HEADERS) in check-decl.m4. + + * check-decl.m4: Use #if rather than #ifdef. + Add HAVE_DECL_STRTOUL and HAVE_DECL_STRTOULL. + (jm_CHECK_DECLARATIONS): Add strtoul strtoull. + (_jm_DECL_HEADERS): Define new function. + (jm_CHECK_DECLARATIONS): Require it. + +2000-01-19 Jim Meyering <jim@meyering.net> + + * nanosleep.m4 (jm_FUNC_NANOSLEEP): Include <sys/time.h>, too. + Use AC_HEADER_TIME. Volker Borchert reported that OpenBSD-2.3/sparc + defines `struct timespec' in <sys/time.h> + + * c-bs-a.m4: Remove uses of changequote altogether. + Thanks to Akim for explaining. + +2000-01-16 Jim Meyering <jim@meyering.net> + + * jm-macros.m4: Require jm_FUNC_GROUP_MEMBER, jm_FUNC_PUTENV, + AM_FUNC_ERROR_AT_LINE, jm_FUNC_GNU_STRFTIME, jm_FUNC_MKTIME, + jm_FUNC_GETGROUPS AC_FUNC_VPRINTF, AC_FUNC_ALLOCA, + AM_FUNC_GETLOADAVG, and jm_SYS_PROC_UPTIME. + +2000-01-16 Jim Meyering <jim@meyering.net> + + * c-bs-a.m4: Use `changequote(<<,>>)', rather than `changequote(, )' + because the latter didn't work. + +2000-01-15 Jim Meyering <jim@meyering.net> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Add gethostname and getusershell. + (AC_REPLACE_FUNCS): Add memcpy and memset. + Add these, too: stime strcspn stpcpy strstr strtol strtoul. + Add strpbrk. + Add these: euidaccess memcmp mkdir rmdir rpmatch strndup strverscmp. + +2000-01-12 Jim Meyering <jim@meyering.net> + + * prereq.m4 (jm_PREREQ_CANON_HOST): New macro. + (jm_PREREQ): Use it. + (jm_PREREQ_READUTMP): New macro. + (jm_PREREQ): Use it. + +2000-01-11 Paul Eggert <eggert@twinsun.com> + + Quote multibyte characters correctly. + * c-bs-a.m4: New file. + * prereq.m4 (jm_PREREQ_QUOTEARG): New macro. + (jm_PREREQ): Use it. + +2000-01-11 Paul Eggert <eggert@twinsun.com> + + * uintmax_t.m4: Port to autoconf 2.13. + +2000-01-08 Jim Meyering <meyering@ascend.com> + + * strerror_r.m4 (jm_FUNC_STRERROR_R): New file/macro. + * jm-macros.m4 (jm_FUNC_STRERROR_R): Require it. + +2000-01-04 Jim Meyering <meyering@ascend.com> + + * d-type.m4 (jm_CHECK_TYPE_STRUCT_DIRENT_D_TYPE): Rename from + jm_STRUCT_DIRENT_D_TYPE. + * d-ino.m4 (jm_CHECK_TYPE_STRUCT_DIRENT_D_INO): Rename from + jm_STRUCT_DIRENT_D_INO. + * utimbuf.m4 (jm_CHECK_TYPE_STRUCT_UTIMBUF): Rename from + jm_STRUCT_UTIMBUF. + * jm-macros.m4: Reflect s/jm_STRUCT_/jm_CHECK_TYPE_STRUCT_/ renamings. + * utime.m4: Likewise. + + * timespec.m4 (jm_CHECK_TYPE_STRUCT_TIMESPEC): New file, macro. + * jm-macros.m4 (jm_CHECK_TYPE_STRUCT_TIMESPEC): Require it. + +2000-01-03 Paul Eggert <eggert@twinsun.com> + + * nanosleep.m4 (jm_FUNC_NANOSLEEP): Search for nanosleep in -lrt + (for Solaris 7) and in -lposix4 (for Solaris 2.5.1). + +2000-01-02 Jim Meyering <meyering@ascend.com> + + * search-libs.m4: Escape `$' in $3 of dnl comment. I no longer + remember if this is necessary. + +1999-12-26 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Use it here. + * nanosleep.m4 (jm_FUNC_NANOSLEEP): New file/macro. + +1999-12-23 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Check for clock_gettime (moved from + fileutils/configure.in) + Check for gettimeofday. + +1999-12-20 Jim Meyering <meyering@ascend.com> + + * strftime.m4: Remove kludge, now that I'm using the fixed + autoconf-2.14a-1999-12-20. + +1999-12-19 Jim Meyering <meyering@ascend.com> + + * lstat-slash.m4: New file. + * jm-macros.m4: Use the new macro: + jm_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK. + +1999-12-07 Jim Meyering <meyering@ascend.com> + + * perl.m4: Require that File::Compare be available, too. + Too many systems seem to lack it. + + * strftime.m4: Add checks for most of the cpp macros tested in + GNU's strftime.c. Prompted by a patch from Paul Eggert. + +1999-11-18 Paul Eggert <eggert@twinsun.com> + + * largefile.m4 (AC_SYS_LARGEFILE_FLAGS): Work around a + problem with the QNX 4.25 shell, which doesn't propagate exit + status of failed commands inside shell assignments. + +1999-11-17 Jim Meyering <meyering@ascend.com> + + * gettext.m4: Use new AC_CONFIG_LINKS in place of AC_LINK_FILES. + +1999-11-07 Jim Meyering <meyering@ascend.com> + + * getloadavg.m4: Add `, 1, [FIXME]' to each use of AC_DEFINE. + +1999-11-06 Jim Meyering <meyering@ascend.com> + + * link-follow.m4 (jm_AC_FUNC_LINK_FOLLOWS_SYMLINK): New file/macro. + * jm-macros.m4 (jm_MACROS): Use it here. + +1999-11-05 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Move some tests from configure.in + of textutils, fileutils, and sh-utils into this one (shared between + those packages) file. + Use `AC_CHECK_MEMBERS((struct stat.st_blksize))' instead of deprecated + AC_STRUCT_ST_BLKSIZE. + +1999-11-03 Jim Meyering <meyering@ascend.com> + + * ssize_t.m4: Remove file. No longer needed since the new version of + AC_CHECK_TYPE checks includes unistd.h. + * jm-macros.m4: Use straight `AC_CHECK_TYPE(ssize_t, int)'. + Suggestion from Akim Demaille. + +1999-10-30 Jim Meyering <meyering@ascend.com> + + * uintmax_t.m4: Require 2.14a. Remove backslash before backtick in + m4-quoted string. + * ls-mntd-fs.m4: Likewise. + * jm-macros.m4: Likewise. Also, use AC_TYPE_SSIZE_T instead + * jm-winsz1.m4: Likewise. + + * const.m4: Remove file, since the fix made it into the experimental + version of autoconf. + * mktime.m4: Likewise. + + * check-type.m4: Remove file, now that the latest version of + AC_CHECK_TYPE takes a third arg to specify additional #includes. + + * ssize_t.m4: New file, requires experimental version of autoconf. + * jm-macros.m4: Use new AC_TYPE_SSIZE_T instead of my hacked + AC_CHECK_TYPE. + +1999-10-04 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Don't require autoconf-2.14.1. + +1999-09-22 Paul Eggert <eggert@twinsun.com> + + * largefile.m4 (AC_SYS_LARGEFILE_FLAGS): Work around GCC + 2.95.1 bug with HP-UX 10.20. + +1999-09-17 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Add strdup. + Paul Nevai reported a link failure on a NeXT CUBE with NeXTSTEP 3.3 + due to missing strdup (against sh-utils-2.0). + +1999-08-29 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Require jm_BISON. + * bison.m4: New file. + +1999-08-17 Paul Eggert <eggert@twinsun.com> + + * largefile.m4 (AC_SYS_LARGEFILE): Fix typo: missing comma + in value for _FILE_OFFSET_BITS, which broke ports to HP-UX 10.20. + +1999-08-05 Jim Meyering <meyering@ascend.com> + + * getline.m4: Rename test file from conftestdata to conftest.data + to avoid conflicts with `conftest' on 8+3 filesystems. + Suggestion from Eli Zaretskii. + +1999-08-04 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Move a 4-line block of code from the configure.in of + fileutils and sh-utils (textutils's getline test was inadequate). + (AM_FUNC_GETLINE): Run this test. + (AC_CHECK_FUNCS): Check for getdelim. + Reported by Bob Proulx. + +1999-08-02 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Add a comment. + +1999-08-01 Jim Meyering <meyering@ascend.com> + + * mktime.m4 (AC_FUNC_MKTIME): Undefine to avoid syntax errors from m4. + +1999-08-01 Paul Eggert <eggert@twinsun.com> + + * lfs.m4: Remove this file. + * largefile.m4: New file. It contains the old contents of + lfs.m4, except that all names with prefix AC_LFS have been + changed to use the prefix AC_SYS_LARGEFILE instead, to be + compatible with future autoconf versions. Also, some minor m4 + quoting problems have been fixed. + +1999-07-16 Paul Eggert <eggert@twinsun.com> + + * ulonglong.m4 (jm_AC_TYPE_UNSIGNED_LONG_LONG): Make sure + that we can shift, multiply and divide unsigned long long + values; Ultrix cc can't do it. + +1999-07-14 Paul Eggert <eggert@twinsun.com> + + * xstrtoumax.m4 (jm_AC_PREREQ_XSTRTOUMAX): Check whether + <inttypes.h> defines strtoumax as a macro (and not as a + function). + +1999-07-05 Paul Eggert <eggert@twinsun.com> + + * gettext.m4 (AM_WITH_NLS): Remove unnecessary lines. + Fix typo: $nls_cv_header_intl was misspelled as $nsl_cv_header_intl. + (AM_GNU_GETTEXT): Fix problem with brackets and m4 quoting, + and simplify the shell code. + +1999-07-03 Paul Eggert <eggert@twinsun.com> + + * mktime.m4: New file, which is a preview of what should appear + in the next public autoconf release. + +1999-07-20 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Add memmove. + +1999-07-15 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (AC_CHECK_FUNCS): Check for getpagesize. + +1999-05-22 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Add memchr. + +1999-05-20 Jim Meyering <meyering@ascend.com> + + * search-libs.m4 [AC_SEARCH_LIBS]: Quote name in undefine. + Add a colon after each `then' in case $4 is empty. + +1999-05-16 Jim Meyering <meyering@ascend.com> + + * search-libs.m4: New file to override autoconf's AC_SEARCH_LIBS. + +1999-05-10 Jim Meyering <meyering@ascend.com> + + * jm-mktime.m4: Reflect renaming: AM_FUNC_MKTIME -> AC_FUNC_MKTIME. + + * jm-macros.m4: Require 2.14.1, since we use newly-renamed + AC_FUNC_MKTIME. + +1999-05-10 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * jm-mktime.m4, putenv.m4: Fix typos in config.h comments. + +1999-05-04 Paul Eggert <eggert@twinsun.com> + + * lfs.m4 (AC_LFS): -n32, -o32, and -n64 should be in CFLAGS, + not CPPFLAGS, so that linking works correctly in IRIX. + +1999-04-30 Paul Eggert <eggert@twinsun.com> + + * jm-macros.m4 (AC_REPLACE_FUNCS): Add dup2. + +1999-04-20 Jim Meyering <meyering@ascend.com> + + * xstrtoumax.m4: Require jm_AC_TYPE_UNSIGNED_LONG_LONG. + AC_REPLACE xstroull if necessary. From Paul Eggert. + (AC_CHECK_FUNCS): Remove strtoull, strtoumax, strtouq. + +1999-04-20 Paul Eggert <eggert@twinsun.com> + + * uintmax_t.m4 (jm_AC_TYPE_UINTMAX_T): Move unsigned long + long check into new jm_AC_TYPE_UNSIGNED_LONG_LONG macro. + * jm-macros.m4 (jm_CHECK_ALL_TYPES): Require + jm_AC_TYPE_UNSIGNED_LONG_LONG. + * ulonglong.m4 (jm_AC_TYPE_UNSIGNED_LONG_LONG): New file/macro. + + * lfs.m4: Port to AIX and HP-UX. Support cross-compilation. + +1999-04-18 Jim Meyering <meyering@ascend.com> + + * xstrtoumax.m4 (jm_AC_PREREQ_XSTRTOUMAX): New file/macro. + * jm-macros.m4: Use it. + +1999-04-06 Jim Meyering <meyering@ascend.com> + + * strftime.m4: Remove test for %f. + +1999-03-29 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (jm_CHECK_ALL_TYPES): New macro, contains the + superset of the AC_TYPE_* checks in the textutils, fileutils, + and sh-utils, plus AC_TYPE_PID_T. Paul Eggert suggested adding + AC_TYPE_PID_T. + +1999-03-28 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Define GNU_PACKAGE here. + Be sure to AC_SUBST it, once again, so that @GNU_PACKAGE@ is + replaced e.g., in the *.sh files of the sh-utils. + +1999-03-20 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: s/jm_WITH_REGEX/jm_INCLUDED_REGEX/. + * regex.m4 (jm_INCLUDED_REGEX): Rename from jm_WITH_REGEX. + Don't depend on AM_GLIBC. Suggestions from Alain Magloire. + +1999-03-19 Jim Meyering <meyering@ascend.com> + + * jm-winsz1.m4 (jm_WINSIZE_IN_PTEM): New macro. + +1999-03-12 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Use AC_FUNC_SETVBUF_REVERSED. + +1999-03-07 Jim Meyering <meyering@ascend.com> + + * jm-glibc-io.m4: Use only those *_unlocked macros that are declared. + +1999-02-17 Jim Meyering <meyering@ascend.com> + + * gettext.m4 (AM_GNU_GETTEXT): Do `changequote' around use of brackets + in macro definition. From Eli Zaretskii and Alain Magloire. + +1999-02-07 Jim Meyering <meyering@ascend.com> + + * group-member.m4: New file -- extracted from sh-utils' configure.in. + + 1999-02-05 Eli Zaretskii <eliz@is.elta.co.il> + * gettext.m4: Support DOS-style d:/foo/bar absolute file names. + +1999-02-06 Jim Meyering <meyering@ascend.com> + + * chown.m4: Use `AC_SUBST(LIBOBJS)' since we set LIBOBJS. + * fnmatch.m4: Likewise. + * getgroups.m4: Likewise. + * lstat.m4: Likewise. + * malloc.m4: Likewise. + * putenv.m4: Likewise. + * realloc.m4: Likewise. + * regex.m4: Likewise. + * stat.m4: Likewise. + * strftime.m4: Likewise. + Suggestion from Alain Magloire. + + * chown.m4: Use `.$ac_objext', not `.o'. + * fnmatch.m4: Likewise. + * getgroups.m4: Likewise. + * getline.m4: Likewise. + * lstat.m4: Likewise. + * malloc.m4: Likewise. + * memcmp.m4: Likewise. + * putenv.m4: Likewise. + * realloc.m4: Likewise. + * regex.m4: Likewise. + * stat.m4: Likewise. + * strftime.m4: Likewise. + Suggestion from Alain Magloire. + + * jm-macros.m4: Actually invoke jm_WITH_REGEX now that it requires + an argument. + + * regex.m4: Add a run-time Test for proper operation of + re_compile_pattern. + +1999-01-31 Jim Meyering <meyering@ascend.com> + + * getloadavg.m4: Check for locale.h and the function, setlocale. + +1999-01-30 Jim Meyering <meyering@ascend.com> + + * check-type.m4: Use 3-arg form of AC_DEFINE. + + * jm-mktime.m4: Make this a wrapper around the official AM_FUNC_MKTIME + rather than my private copy, now that the official one is up to date. + * mktime.m4: Remove file. + + * getloadavg.m4: Use 3-arg form of AC_DEFINE. + * uptime.m4: Likewise. + * uintmax_t.m4: Likewise. + +1999-01-28 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Use jm_AFS. + * afs.m4: New file (from fileutils' configure.in). + + * assert.m4: Use the 3-argument forms of AC_DEFINE* macros. + * chown.m4: Likewise. + * d-ino.m4: Likewise. + * d-type.m4: Likewise. + * fnmatch.m4: Likewise. + * getgroups.m4: Likewise. + * gettext.m4: Likewise. + * jm-mktime.m4: Likewise. + * jm-winsz2.m4: Likewise. + * lcmessage.m4: Likewise. + * ls-mntd-fs.m4: Likewise. + * malloc.m4: Likewise. + * memcmp.m4: Likewise. + * putenv.m4: Likewise. + * realloc.m4: Likewise. + * st_mtim.m4: Likewise. + * strftime.m4: Likewise. + +1999-01-16 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (ARGMATCH_DIE): Define. + (ARGMATCH_DIE_DECL): Define. + +1999-01-12 Jim Meyering <meyering@ascend.com> + + * Makefile.am.in: Rewrite to avoid using fmt. + Reported by Lars Hecking. + +1999-01-10 Jim Meyering <meyering@ascend.com> + + * fstypename.m4: Use the new 3-arg form of AC_DEFINE instead of my + gross kludge. + * inttypes_h.m4: Likewise. + * lstat.m4: Likewise. + * malloc.m4: Likewise. + * readdir.m4: Likewise. + * realloc.m4: Likewise. + * st_dm_mode.m4: Likewise. + * stat.m4: Likewise. + * utimbuf.m4: Likewise. + * utimes.m4: Likewise. + + * check-decl.m4: Use the new 3-arg form of AC_DEFINE instead of the + AC_CHECK_FUNCS hack. Now, it's still a hack, but at least the + comments in config.h.in are meaningful. + + * jm-macros.m4: Require autoconf-2.13 here. + + * regex.m4: By default, don't use the included regex.c on systems + with glibc 2. Suggestion from Uli Drepper. + +1999-01-02 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Replace strcasecmp and strncasecmp. + +1998-12-18 Jim Meyering <meyering@ascend.com> + + * Makefile.am.in (Makefile.am): Simplify rule. + Based on a suggestion from Lars Hecking. + +1998-11-16 Jim Meyering <meyering@ascend.com> + + * lfs.m4: Double-quote the `uname...` expression. + +1998-11-16 Paul Eggert <eggert@twinsun.com> + + * lfs.m4 (AC_LFS): Add support for HP-UX 10.20 and HP-UX 11. + +1998-11-14 Jim Meyering <meyering@ascend.com> + + * lstat.m4: Correct comment. POSIX does not permit it to succeed. + * stat.m4: Likewise. + +1998-11-03 Jim Meyering <meyering@ascend.com> + + * stat.m4: Rewrite to set HAVE_STAT_EMPTY_STRING_BUG. + * lstat.m4: Rewrite to set HAVE_LSTAT_EMPTY_STRING_BUG. + +1998-10-18 Jim Meyering <meyering@ascend.com> + + * check-decl.m4 (jm_CHECK_DECL_LOCALTIME_R): Remove macro. + +1998-10-17 Jim Meyering <meyering@ascend.com> + + * decl.m4 (jm_CHECK_DECLARATION): Don't hard-code which headers to + include, though we still hard-code the `require'-like AC_CHECK_HEADERS + calls for those previously hard-coded headers. Instead, take a new + parameter. + (jm_CHECK_DECLARATIONS): Reflect interface change. + * check-decl.m4 (jm_CHECK_DECLS): Likewise. + (jm_CHECK_DECL_LOCALTIME_R): New macro. + + * mktime.m4: Test for spring-forward gap before long-running test. + +1998-10-14 Jim Meyering <meyering@ascend.com> + + * mktime.m4: Use the more portable "TZ=PST8PDT,M4.1.0,M10.5.0" + instead of "TZ=America/Vancouver". From Paul Eggert. + +1998-10-11 Jim Meyering <meyering@ascend.com> + + * mktime.m4 (jm_AM_FUNC_MKTIME): New file and macro. + This adds a test for a recently added compatibility fix for mktime.c. + * jm-mktime.m4: Require jm_AM_FUNC_MKTIME, not AM_FUNC_MKTIME. + +1998-09-27 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4 (jm_MACROS): Require jm_FUNC_FNMATCH. + + * fnmatch.m4 (jm_FUNC_FNMATCH): New file/macro. Extracted from + ../configure.in, including a change from Gordon Matzigkeit to allow + cross-compiling for the Hurd. + + * glibc.m4: New file/macro to test for the GNU C Library + versions 1 and 2. From Gordon Matzigkeit. + Indent. + +1998-09-21 Jim Meyering <meyering@ascend.com> + + * chown.m4: Declare locals: before, after. From Andries Brouwer. + +1998-08-18 Paul Eggert <eggert@twinsun.com> + + Port nanosecond-resolution times to UnixWare 2.1.2 and + pedantic Solaris 2.6. + + * st_mtim.m4 (AC_STRUCT_ST_MTIM_NSEC): Renamed from + AC_STRUCT_ST_MTIM. + * st_mtim.m4 (AC_STRUCT_ST_MTIM_NSEC): + Generate name of ns member, instead of just 1 or undef. + Allow for UnixWare 2.1.2 and Solaris 2.6 if in pedantic mode. + +1998-08-15 Jim Meyering <meyering@ascend.com> + + * ssize_t.m4 (jm_TYPE_SSIZE_T): Remove file. + * check-type.m4: New file. Replacement for AC_CHECK_TYPE. + * jm-macros.m4: Use the new AC_CHECK_TYPE(ssize_t, int) + instead of jm_TYPE_SSIZE_T. + +1998-08-12 Jim Meyering <meyering@ascend.com> + + * st_dm_mode.m4: New file. From Johan Danielsson. + +1998-08-02 Jim Meyering <meyering@ascend.com> + + * st_mtim.m4: Use hack to avoid having to put #undef HAVE_ST_MTIM + in acconfig.h manually. + +1998-07-31 Paul Eggert <eggert@twinsun.com> + + * st_mtim.m4: New file. + +1998-07-28 Jim Meyering <meyering@ascend.com> + + * utimes.m4: Undef stat. + +1998-07-25 Jim Meyering <meyering@ascend.com> + + * utime.m4 (jm_FUNC_UTIME): New file and macro. + * utimes.m4 (jm_FUNC_UTIMES_NULL): New file and macro. + +1998-07-09 Manfred Hollstein <manfred@s-direktnet.de> + + * chown.m4 (jm_FUNC_CHOWN): Add a check to verify that the + uid and gid actually remain unchanged. + +1998-07-07 Jim Meyering <meyering@ascend.com> + + * jm-glibc-io.m4: Remove fclose_unlocked. + +1998-07-04 Jim Meyering <meyering@ascend.com> + + * regex.m4: Use syscmd, ifelse, and sysval. Mainly as an exercise + to prove that this macro can be used in packages without regex.c. + +1998-07-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * gettext.m4 (AM_WITH_NLS): Remove intl/libintl.h if <libintl.h> + is to be used. + +1998-07-03 Jim Meyering <meyering@ascend.com> + + * gettext.m4: Add -lintl if it's found to be necessary. + + * gettext.m4: New file -- from gettext-0.10.35. + * lcmessage.m4: Likewise. + * progtest.m4: Likewise. + + * regex.m4 (jm_WITH_REGEX): New file and macro. + * jm-macros.m4: Require the new macro. + +1998-06-29 Jim Meyering <meyering@ascend.com> + + * fstypename.m4: Include sys/param.h. NetBSD 1.3.1 requires this + for the definition of NGROUPS (used in a system header included + by sys/mount.h). + +1998-06-28 Jim Meyering <meyering@ascend.com> + + * ls-mntd-fs.m4: New file. + * fstypename.m4: New file. + + * jm-macros.m4: Require the new macro. + * jm-glibc-io.m4: New file. + +1998-05-19 Jim Meyering <meyering@ascend.com> + + * jm-macros.m4: Add jm_FUNC_LCHOWN. + * lchown.m4: New file. + + * Makefile.am.in: New file. + * Makefile.am (Makefile.am): Depend on Makefile.am.in. + +1998-05-14 Jim Meyering <meyering@ascend.com> + + * Makefile.am (EXTRA_DIST): Add them. + * jm-macros.m4: New file. + * utimbuf.m4: New file. + +1998-05-12 Jim Meyering <meyering@ascend.com> + + * Makefile.am (EXTRA_DIST): Add isc-posix.m4. + +1998-05-11 Jim Meyering <meyering@ascend.com> + + * isc-posix.m4: New file. + +1998-05-10 Jim Meyering <meyering@ascend.com> + + * jm-mktime.m4: Use AM_FUNC_MKTIME, now that it's up to date. + +1998-05-09 Jim Meyering <meyering@ascend.com> + + * Makefile.am (EXTRA_DIST): Add ssize_t.m4. + (EXTRA_DIST): Remove mktime.m4, now that the new version is included + with automake. + + * ssize_t.m4: New file. + * mktime.m4: Remove file -- the new automake has this now. + +1998-04-26 Jim Meyering <meyering@ascend.com> + + * assert.m4: New file. + * Makefile.am (EXTRA_DIST): Add assert.m4. + +1998-04-05 Jim Meyering <meyering@ascend.com> + + * prereq.m4 (jm_PREREQ_REGEX): New macro. + (jm_PREREQ): Use it here. + +1998-03-23 Jim Meyering <meyering@eng.ascend.com> + + * inttypes_h.m4: Kludges so I don't have to add HAVE_INTTYPES_H + in acconfig.h. + +1998-03-15 Jim Meyering <meyering@eng.ascend.com> + + * prereq.m4: New file. + * error.m4: New file. + * Makefile.am (EXTRA_DIST): Add error.m4 and prereq.m4. + +1998-02-07 Jim Meyering <meyering@eng.ascend.com> + + * getline.m4: Don't set am_cv_func_working_getline before the + cache-check for the same variable -- that defeated the purpose of + the test; the test program was never run. This was a problem only + on systems with losing getline functions -- HP-UX 10.20 is one. + Reported by Bjorn Helgaas. + +1998-02-06 Jim Meyering <meyering@eng.ascend.com> + + * Makefile.am (EXTRA_DIST): Add perl.m4. + +1998-01-10 Jim Meyering <meyering@na-net.ornl.gov> + + * Makefile.am (EXTRA_DIST): Add const.m4. + + * const.m4: New file. Use an initializer in this declaration + typedef int charset[2]; const charset x; + Reported by Bob Glickstein. + +1997-12-21 Jim Meyering <meyering@na-net.ornl.gov> + + * chown.m4: Fix reversed types on -1 args to chown. + From Kaveh Ghazi. + +1997-12-14 Jim Meyering <meyering@na-net.ornl.gov> + + * check-decl.m4: s/DECLARATION_/DECL_/g. + Add lseek and memchr. + + * decl.m4: s/HAVE_DECLARATION_/HAVE_DECL_/g. + T.E.Dickey <dickey@clark.net> said that some older preprocessors + have a 20-character limit on names. + +1997-11-30 Jim Meyering <meyering@na-net.ornl.gov> + + * inttypes_h.m4: New file. + * uintmax_t.m4: New file. + * Makefile.am (EXTRA_DIST): Add inttypes_h.m4 and uintmax_t.m4. + + + ----- + + Copyright (C) 1997-2012 Free Software Foundation, Inc. + + Copying and distribution of this file, with or without + modification, are permitted provided the copyright notice + and this notice are preserved. diff --git a/m4/acl.m4 b/m4/acl.m4 new file mode 100644 index 00000000..3ce4d180 --- /dev/null +++ b/m4/acl.m4 @@ -0,0 +1,165 @@ +# acl.m4 - check for access control list (ACL) primitives +# serial 13 + +# Copyright (C) 2002, 2004-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert and Jim Meyering. + +AC_DEFUN([gl_FUNC_ACL], +[ + AC_ARG_ENABLE([acl], + AS_HELP_STRING([--disable-acl], [do not support ACLs]), + , [enable_acl=auto]) + + LIB_ACL= + use_acl=0 + AC_REQUIRE([AC_C_INLINE]) + if test "x$enable_acl" != "xno"; then + dnl On all platforms, the ACL related API is declared in <sys/acl.h>. + AC_CHECK_HEADERS([sys/acl.h]) + if test $ac_cv_header_sys_acl_h = yes; then + ac_save_LIBS=$LIBS + + dnl Test for POSIX-draft-like API (Linux, FreeBSD, MacOS X, IRIX, Tru64). + dnl -lacl is needed on Linux, -lpacl is needed on OSF/1. + if test $use_acl = 0; then + AC_SEARCH_LIBS([acl_get_file], [acl pacl], + [if test "$ac_cv_search_acl_get_file" != "none required"; then + LIB_ACL=$ac_cv_search_acl_get_file + fi + AC_CHECK_FUNCS( + [acl_get_file acl_get_fd acl_set_file acl_set_fd \ + acl_free acl_from_mode acl_from_text \ + acl_delete_def_file acl_extended_file \ + acl_delete_fd_np acl_delete_file_np \ + acl_copy_ext_native acl_create_entry_np \ + acl_to_short_text acl_free_text]) + # If the acl_get_file bug is detected, don't enable the ACL support. + gl_ACL_GET_FILE([use_acl=1], []) + if test $use_acl = 1; then + dnl On Linux, additional API is declared in <acl/libacl.h>. + AC_CHECK_HEADERS([acl/libacl.h]) + AC_REPLACE_FUNCS([acl_entries]) + AC_CACHE_CHECK([for ACL_FIRST_ENTRY], + [gl_cv_acl_ACL_FIRST_ENTRY], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( +[[#include <sys/types.h> +#include <sys/acl.h> +int type = ACL_FIRST_ENTRY;]])], + [gl_cv_acl_ACL_FIRST_ENTRY=yes], + [gl_cv_acl_ACL_FIRST_ENTRY=no])]) + if test $gl_cv_acl_ACL_FIRST_ENTRY = yes; then + AC_DEFINE([HAVE_ACL_FIRST_ENTRY], [1], + [Define to 1 if the constant ACL_FIRST_ENTRY exists.]) + fi + dnl On MacOS X, other types of ACLs are supported. + AC_CACHE_CHECK([for ACL_TYPE_EXTENDED], + [gl_cv_acl_ACL_TYPE_EXTENDED], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( +[[#include <sys/types.h> +#include <sys/acl.h> +int type = ACL_TYPE_EXTENDED;]])], + [gl_cv_acl_ACL_TYPE_EXTENDED=yes], + [gl_cv_acl_ACL_TYPE_EXTENDED=no])]) + if test $gl_cv_acl_ACL_TYPE_EXTENDED = yes; then + AC_DEFINE([HAVE_ACL_TYPE_EXTENDED], [1], + [Define to 1 if the ACL type ACL_TYPE_EXTENDED exists.]) + fi + else + LIB_ACL= + fi + ]) + fi + + dnl Test for Solaris API (Solaris, Cygwin). + if test $use_acl = 0; then + AC_CHECK_FUNCS([facl]) + if test $ac_cv_func_facl = yes; then + AC_SEARCH_LIBS([acl_trivial], [sec], + [if test "$ac_cv_search_acl_trivial" != "none required"; then + LIB_ACL=$ac_cv_search_acl_trivial + fi + ]) + AC_CHECK_FUNCS([acl_trivial]) + use_acl=1 + fi + fi + + dnl Test for HP-UX API. + if test $use_acl = 0; then + AC_CHECK_FUNCS([getacl]) + if test $ac_cv_func_getacl = yes; then + use_acl=1 + fi + dnl Test for HP-UX 11.11 API. + AC_CHECK_HEADERS([aclv.h], [], [], [#include <sys/types.h>]) + fi + + dnl Test for AIX API (AIX 5.3 or newer). + if test $use_acl = 0; then + AC_CHECK_FUNCS([aclx_get]) + if test $ac_cv_func_aclx_get = yes; then + use_acl=1 + fi + fi + + dnl Test for older AIX API. + if test $use_acl = 0 || test "$ac_cv_func_aclx_get" = yes; then + AC_CHECK_FUNCS([statacl]) + if test $ac_cv_func_statacl = yes; then + use_acl=1 + fi + fi + + dnl Test for NonStop Kernel API. + if test $use_acl = 0; then + AC_CHECK_FUNCS([aclsort]) + if test $ac_cv_func_aclsort = yes; then + use_acl=1 + fi + fi + + LIBS=$ac_save_LIBS + fi + if test "x$enable_acl$use_acl" = "xyes0"; then + AC_MSG_ERROR([ACLs enabled but support not detected]) + elif test "x$enable_acl$use_acl" = "xauto0"; then + AC_MSG_WARN([libacl development library was not found or not usable.]) + AC_MSG_WARN([AC_PACKAGE_NAME will be built without ACL support.]) + fi + fi + AC_SUBST([LIB_ACL]) + AC_DEFINE_UNQUOTED([USE_ACL], [$use_acl], + [Define to nonzero if you want access control list support.]) + USE_ACL=$use_acl + AC_SUBST([USE_ACL]) +]) + +# gl_ACL_GET_FILE(IF-WORKS, IF-NOT) +# ------------------------------------- +# If 'acl_get_file' works (does not have a particular bug), +# run IF-WORKS, otherwise, IF-NOT. +# This tests for a Darwin 8.7.0 bug, whereby acl_get_file returns NULL, +# but sets errno = ENOENT for an existing file or directory. +AC_DEFUN([gl_ACL_GET_FILE], +[ + AC_CACHE_CHECK([for working acl_get_file], [gl_cv_func_working_acl_get_file], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + #include <sys/acl.h> + #include <errno.h> + ]], + [[if (!acl_get_file (".", ACL_TYPE_ACCESS) && errno == ENOENT) + return 1; + return 0; + ]])], + [gl_cv_func_working_acl_get_file=yes], + [gl_cv_func_working_acl_get_file=no], + [gl_cv_func_working_acl_get_file=cross-compiling])]) + + AS_IF([test $gl_cv_func_working_acl_get_file = yes], [$1], [$2]) +]) diff --git a/m4/alloca.m4 b/m4/alloca.m4 new file mode 100644 index 00000000..656924be --- /dev/null +++ b/m4/alloca.m4 @@ -0,0 +1,121 @@ +# alloca.m4 serial 14 +dnl Copyright (C) 2002-2004, 2006-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_ALLOCA], +[ + AC_REQUIRE([AC_FUNC_ALLOCA]) + if test $ac_cv_func_alloca_works = no; then + gl_PREREQ_ALLOCA + fi + + # Define an additional variable used in the Makefile substitution. + if test $ac_cv_working_alloca_h = yes; then + AC_CACHE_CHECK([for alloca as a compiler built-in], [gl_cv_rpl_alloca], [ + AC_EGREP_CPP([Need own alloca], [ +#if defined __GNUC__ || defined _AIX || defined _MSC_VER + Need own alloca +#endif + ], [gl_cv_rpl_alloca=yes], [gl_cv_rpl_alloca=no]) + ]) + if test $gl_cv_rpl_alloca = yes; then + dnl OK, alloca can be implemented through a compiler built-in. + AC_DEFINE([HAVE_ALLOCA], [1], + [Define to 1 if you have 'alloca' after including <alloca.h>, + a header that may be supplied by this distribution.]) + ALLOCA_H=alloca.h + else + dnl alloca exists as a library function, i.e. it is slow and probably + dnl a memory leak. Don't define HAVE_ALLOCA in this case. + ALLOCA_H= + fi + else + ALLOCA_H=alloca.h + fi + AC_SUBST([ALLOCA_H]) + AM_CONDITIONAL([GL_GENERATE_ALLOCA_H], [test -n "$ALLOCA_H"]) +]) + +# Prerequisites of lib/alloca.c. +# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA. +AC_DEFUN([gl_PREREQ_ALLOCA], [:]) + +# This works around a bug in autoconf <= 2.68. +# See <http://lists.gnu.org/archive/html/bug-gnulib/2011-06/msg00277.html>. + +m4_version_prereq([2.69], [] ,[ + +# This is taken from the following Autoconf patch: +# http://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=6cd9f12520b0d6f76d3230d7565feba1ecf29497 + +# _AC_LIBOBJ_ALLOCA +# ----------------- +# Set up the LIBOBJ replacement of 'alloca'. Well, not exactly +# AC_LIBOBJ since we actually set the output variable 'ALLOCA'. +# Nevertheless, for Automake, AC_LIBSOURCES it. +m4_define([_AC_LIBOBJ_ALLOCA], +[# The SVR3 libPW and SVR4 libucb both contain incompatible functions +# that cause trouble. Some versions do not even contain alloca or +# contain a buggy version. If you still want to use their alloca, +# use ar to extract alloca.o from them instead of compiling alloca.c. +AC_LIBSOURCES(alloca.c) +AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.$ac_objext])dnl +AC_DEFINE(C_ALLOCA, 1, [Define to 1 if using 'alloca.c'.]) + +AC_CACHE_CHECK(whether 'alloca.c' needs Cray hooks, ac_cv_os_cray, +[AC_EGREP_CPP(webecray, +[#if defined CRAY && ! defined CRAY2 +webecray +#else +wenotbecray +#endif +], ac_cv_os_cray=yes, ac_cv_os_cray=no)]) +if test $ac_cv_os_cray = yes; then + for ac_func in _getb67 GETB67 getb67; do + AC_CHECK_FUNC($ac_func, + [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func, + [Define to one of '_getb67', 'GETB67', + 'getb67' for Cray-2 and Cray-YMP + systems. This function is required for + 'alloca.c' support on those systems.]) + break]) + done +fi + +AC_CACHE_CHECK([stack direction for C alloca], + [ac_cv_c_stack_direction], +[AC_RUN_IFELSE([AC_LANG_SOURCE( +[AC_INCLUDES_DEFAULT +int +find_stack_direction (int *addr, int depth) +{ + int dir, dummy = 0; + if (! addr) + addr = &dummy; + *addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1; + dir = depth ? find_stack_direction (addr, depth - 1) : 0; + return dir + dummy; +} + +int +main (int argc, char **argv) +{ + return find_stack_direction (0, argc + !argv + 20) < 0; +}])], + [ac_cv_c_stack_direction=1], + [ac_cv_c_stack_direction=-1], + [ac_cv_c_stack_direction=0])]) +AH_VERBATIM([STACK_DIRECTION], +[/* If using the C implementation of alloca, define if you know the + direction of stack growth for your system; otherwise it will be + automatically deduced at runtime. + STACK_DIRECTION > 0 => grows toward higher addresses + STACK_DIRECTION < 0 => grows toward lower addresses + STACK_DIRECTION = 0 => direction of growth unknown */ +@%:@undef STACK_DIRECTION])dnl +AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction) +])# _AC_LIBOBJ_ALLOCA +]) diff --git a/m4/arpa_inet_h.m4 b/m4/arpa_inet_h.m4 new file mode 100644 index 00000000..36915d12 --- /dev/null +++ b/m4/arpa_inet_h.m4 @@ -0,0 +1,57 @@ +# arpa_inet_h.m4 serial 13 +dnl Copyright (C) 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Simon Josefsson and Bruno Haible + +AC_DEFUN([gl_HEADER_ARPA_INET], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) + + AC_CHECK_HEADERS_ONCE([arpa/inet.h]) + if test $ac_cv_header_arpa_inet_h = yes; then + HAVE_ARPA_INET_H=1 + else + HAVE_ARPA_INET_H=0 + fi + AC_SUBST([HAVE_ARPA_INET_H]) + dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([arpa/inet.h]) + + AC_REQUIRE([gl_FEATURES_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +/* On some systems, this header is not self-consistent. */ +#if !(defined __GLIBC__ || defined __UCLIBC__) +# include <sys/socket.h> +#endif +#ifdef __TANDEM +# include <netdb.h> +#endif +#include <arpa/inet.h> + ]], [inet_ntop inet_pton]) +]) + +AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_ARPA_INET_H_DEFAULTS], +[ + GNULIB_INET_NTOP=0; AC_SUBST([GNULIB_INET_NTOP]) + GNULIB_INET_PTON=0; AC_SUBST([GNULIB_INET_PTON]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_INET_NTOP=1; AC_SUBST([HAVE_DECL_INET_NTOP]) + HAVE_DECL_INET_PTON=1; AC_SUBST([HAVE_DECL_INET_PTON]) + REPLACE_INET_NTOP=0; AC_SUBST([REPLACE_INET_NTOP]) + REPLACE_INET_PTON=0; AC_SUBST([REPLACE_INET_PTON]) +]) diff --git a/m4/assert.m4 b/m4/assert.m4 new file mode 100644 index 00000000..b748e5ec --- /dev/null +++ b/m4/assert.m4 @@ -0,0 +1,24 @@ +#serial 7 + +# Copyright (C) 1998-1999, 2001, 2004, 2008-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl based on code from Eleftherios Gkioulekas +dnl Autoconf 2.60 provides AC_HEADER_ASSERT for the same purpose, but +dnl it has broken semantics for --enable-assert until 2.64. +AC_DEFUN([gl_ASSERT], +[ + AC_MSG_CHECKING([whether to enable assertions]) + AC_ARG_ENABLE([assert], + [AS_HELP_STRING([--disable-assert], [turn off assertions])], + [AS_IF([test "x$enableval" = xno], + [AC_DEFINE([NDEBUG], [1], + [Define to 1 if assertions should be disabled.])], + [test "x$enableval" != xyes], + [AC_MSG_WARN([invalid argument supplied to --enable-assert]) + enable_assert=yes])], + [enable_assert=yes]) + AC_MSG_RESULT([$enable_assert]) +]) diff --git a/m4/autobuild.m4 b/m4/autobuild.m4 new file mode 100644 index 00000000..284dc602 --- /dev/null +++ b/m4/autobuild.m4 @@ -0,0 +1,39 @@ +# autobuild.m4 serial 7 +dnl Copyright (C) 2004, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Simon Josefsson + +# Usage: AB_INIT([MODE]). +AC_DEFUN([AB_INIT], +[ + AC_REQUIRE([AC_CANONICAL_BUILD]) + AC_REQUIRE([AC_CANONICAL_HOST]) + + if test -z "$AB_PACKAGE"; then + AB_PACKAGE=${PACKAGE_NAME:-$PACKAGE} + fi + AC_MSG_NOTICE([autobuild project... $AB_PACKAGE]) + + if test -z "$AB_VERSION"; then + AB_VERSION=${PACKAGE_VERSION:-$VERSION} + fi + AC_MSG_NOTICE([autobuild revision... $AB_VERSION]) + + hostname=`hostname` + if test "$hostname"; then + AC_MSG_NOTICE([autobuild hostname... $hostname]) + fi + + ifelse([$1],[],,[AC_MSG_NOTICE([autobuild mode... $1])]) + + date=`TZ=UTC0 date +%Y%m%dT%H%M%SZ` + if test "$?" != 0; then + date=`date` + fi + if test "$date"; then + AC_MSG_NOTICE([autobuild timestamp... $date]) + fi +]) diff --git a/m4/backupfile.m4 b/m4/backupfile.m4 new file mode 100644 index 00000000..639ca82d --- /dev/null +++ b/m4/backupfile.m4 @@ -0,0 +1,13 @@ +# backupfile.m4 serial 14 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/backupfile.c. +AC_DEFUN([gl_BACKUPFILE], +[ + AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO]) + AC_REQUIRE([AC_SYS_LONG_FILE_NAMES]) + AC_CHECK_FUNCS_ONCE([pathconf]) +]) diff --git a/m4/base64.m4 b/m4/base64.m4 new file mode 100644 index 00000000..fa0c1928 --- /dev/null +++ b/m4/base64.m4 @@ -0,0 +1,16 @@ +# base64.m4 serial 3 +dnl Copyright (C) 2004, 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_BASE64], +[ + gl_PREREQ_BASE64 +]) + +# Prerequisites of lib/base64.c. +AC_DEFUN([gl_PREREQ_BASE64], [ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_C_RESTRICT]) +]) diff --git a/m4/bison.m4 b/m4/bison.m4 new file mode 100644 index 00000000..2c4afbe1 --- /dev/null +++ b/m4/bison.m4 @@ -0,0 +1,24 @@ +# serial 7 + +# Copyright (C) 2002, 2005, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_BISON], +[ + # parse-datetime.y works with bison only. + : ${YACC='bison -y'} +dnl +dnl Declaring YACC & YFLAGS precious will not be necessary after GNULIB +dnl requires an Autoconf greater than 2.59c, but it will probably still be +dnl useful to override the description of YACC in the --help output, re +dnl parse-datetime.y assuming 'bison -y'. + AC_ARG_VAR([YACC], +[The "Yet Another C Compiler" implementation to use. Defaults to 'bison -y'. +Values other than 'bison -y' will most likely break on most systems.])dnl + AC_ARG_VAR([YFLAGS], +[YFLAGS contains the list arguments that will be passed by default to Bison. +This script will default YFLAGS to the empty string to avoid a default value of +'-d' given by some make applications.])dnl +]) diff --git a/m4/boottime.m4 b/m4/boottime.m4 new file mode 100644 index 00000000..4d6058b1 --- /dev/null +++ b/m4/boottime.m4 @@ -0,0 +1,66 @@ +# boottime.m4 serial 4 +# Determine whether this system has infrastructure for obtaining the boot time. + +# Copyright (C) 1996-2012 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# GNULIB_BOOT_TIME([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +* ---------------------------------------------------------- +AC_DEFUN([GNULIB_BOOT_TIME], +[ + AC_CHECK_FUNCS([sysctl]) + AC_CHECK_HEADERS_ONCE([sys/param.h]) + AC_CHECK_HEADERS([sys/sysctl.h], [], [], + [AC_INCLUDES_DEFAULT + [#if HAVE_SYS_PARAM_H + #include <sys/param.h> + #endif]]) + AC_CHECK_HEADERS_ONCE([utmp.h utmpx.h OS.h]) + AC_CACHE_CHECK( + [whether we can get the system boot time], + [gnulib_cv_have_boot_time], + [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( +[AC_INCLUDES_DEFAULT +#if HAVE_SYSCTL && HAVE_SYS_SYSCTL_H +# if HAVE_SYS_PARAM_H +# include <sys/param.h> /* needed for OpenBSD 3.0 */ +# endif +# include <sys/sysctl.h> +#endif +#if HAVE_UTMPX_H +# include <utmpx.h> +#elif HAVE_UTMP_H +# include <utmp.h> +#endif +#if HAVE_OS_H +# include <OS.h> +#endif +], +[[ +#if (defined BOOT_TIME \ + || (defined CTL_KERN && defined KERN_BOOTTIME) \ + || HAVE_OS_H) +/* your system *does* have the infrastructure to determine boot time */ +#else +please_tell_us_how_to_determine_boot_time_on_your_system +#endif +]])], + [gnulib_cv_have_boot_time=yes], + [gnulib_cv_have_boot_time=no]) + ]) + AS_IF([test $gnulib_cv_have_boot_time = yes], [$1], [$2]) +]) diff --git a/m4/btowc.m4 b/m4/btowc.m4 new file mode 100644 index 00000000..e565321c --- /dev/null +++ b/m4/btowc.m4 @@ -0,0 +1,116 @@ +# btowc.m4 serial 10 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_BTOWC], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + + dnl Check whether <wchar.h> is usable at all, first. Otherwise the test + dnl program below may lead to an endless loop. See + dnl <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42440>. + AC_REQUIRE([gl_WCHAR_H_INLINE_OK]) + + AC_CHECK_FUNCS_ONCE([btowc]) + if test $ac_cv_func_btowc = no; then + HAVE_BTOWC=0 + else + + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Cygwin 1.7.2 btowc('\0') is WEOF, not 0. + AC_CACHE_CHECK([whether btowc(0) is correct], + [gl_cv_func_btowc_nul], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + if (btowc ('\0') != 0) + return 1; + return 0; +}]])], + [gl_cv_func_btowc_nul=yes], + [gl_cv_func_btowc_nul=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess no on Cygwin. + cygwin*) gl_cv_func_btowc_nul="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_btowc_nul="guessing yes" ;; + esac +changequote([,])dnl + ]) + ]) + + dnl IRIX 6.5 btowc(EOF) is 0xFF, not WEOF. + AC_CACHE_CHECK([whether btowc(EOF) is correct], + [gl_cv_func_btowc_eof], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on IRIX. + irix*) gl_cv_func_btowc_eof="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_btowc_eof="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + if (setlocale (LC_ALL, "$LOCALE_FR") != NULL) + { + if (btowc (EOF) != WEOF) + return 1; + } + return 0; +}]])], + [gl_cv_func_btowc_eof=yes], + [gl_cv_func_btowc_eof=no], + [:]) + fi + ]) + + case "$gl_cv_func_btowc_nul" in + *yes) ;; + *) REPLACE_BTOWC=1 ;; + esac + case "$gl_cv_func_btowc_eof" in + *yes) ;; + *) REPLACE_BTOWC=1 ;; + esac + fi +]) + +# Prerequisites of lib/btowc.c. +AC_DEFUN([gl_PREREQ_BTOWC], [ + : +]) diff --git a/m4/c-strtod.m4 b/m4/c-strtod.m4 new file mode 100644 index 00000000..c002e5fc --- /dev/null +++ b/m4/c-strtod.m4 @@ -0,0 +1,55 @@ +# c-strtod.m4 serial 14 + +# Copyright (C) 2004-2006, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. + +AC_DEFUN([gl_C99_STRTOLD], +[ + AC_CACHE_CHECK([whether strtold conforms to C99], + [gl_cv_func_c99_strtold], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[/* On HP-UX before 11.23, strtold returns a struct instead of + long double. Reject implementations like that, by requiring + compatibility with the C99 prototype. */ + #include <stdlib.h> + static long double (*p) (char const *, char **) = strtold; + static long double + test (char const *nptr, char **endptr) + { + long double r; + r = strtold (nptr, endptr); + return r; + }]], + [[return test ("1.0", NULL) != 1 || p ("1.0", NULL) != 1;]])], + [gl_cv_func_c99_strtold=yes], + [gl_cv_func_c99_strtold=no])]) + if test $gl_cv_func_c99_strtold = yes; then + AC_DEFINE([HAVE_C99_STRTOLD], [1], [Define to 1 if strtold conforms to C99.]) + fi +]) + +dnl Prerequisites of lib/c-strtod.c. +AC_DEFUN([gl_C_STRTOD], +[ + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS([strtod_l]) + + AC_REQUIRE([AC_C_INLINE]) + : +]) + +dnl Prerequisites of lib/c-strtold.c. +AC_DEFUN([gl_C_STRTOLD], +[ + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_C99_STRTOLD]) + AC_CHECK_FUNCS([strtold_l]) + + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/m4/calloc.m4 b/m4/calloc.m4 new file mode 100644 index 00000000..00c5fe43 --- /dev/null +++ b/m4/calloc.m4 @@ -0,0 +1,85 @@ +# calloc.m4 serial 15 + +# Copyright (C) 2004-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +# Determine whether calloc (N, S) returns non-NULL when N*S is zero, +# and returns NULL when N*S overflows. +# If so, define HAVE_CALLOC. Otherwise, define calloc to rpl_calloc +# and arrange to use a calloc wrapper function that does work in that case. + +# _AC_FUNC_CALLOC_IF([IF-WORKS], [IF-NOT]) +# ------------------------------------- +# If 'calloc (0, 0)' is properly handled, run IF-WORKS, otherwise, IF-NOT. +AC_DEFUN([_AC_FUNC_CALLOC_IF], +[ + AC_REQUIRE([AC_TYPE_SIZE_T])dnl + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([for GNU libc compatible calloc], + [ac_cv_func_calloc_0_nonnull], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT], + [[int result = 0; + if (!calloc (0, 0)) + result |= 1; + if (calloc ((size_t) -1 / 8 + 1, 8)) + result |= 2; + return result; + ]])], + [ac_cv_func_calloc_0_nonnull=yes], + [ac_cv_func_calloc_0_nonnull=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) ac_cv_func_calloc_0_nonnull="guessing yes" ;; + # If we don't know, assume the worst. + *) ac_cv_func_calloc_0_nonnull="guessing no" ;; + esac + ])]) + case "$ac_cv_func_calloc_0_nonnull" in + *yes) + $1 + ;; + *) + $2 + ;; + esac +])# AC_FUNC_CALLOC + + +# gl_FUNC_CALLOC_GNU +# ------------------ +# Report whether 'calloc (0, 0)' is properly handled, and replace calloc if +# needed. +AC_DEFUN([gl_FUNC_CALLOC_GNU], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + _AC_FUNC_CALLOC_IF( + [AC_DEFINE([HAVE_CALLOC_GNU], [1], + [Define to 1 if your system has a GNU libc compatible 'calloc' + function, and to 0 otherwise.])], + [AC_DEFINE([HAVE_CALLOC_GNU], [0]) + REPLACE_CALLOC=1 + ]) +])# gl_FUNC_CALLOC_GNU + + +# gl_FUNC_CALLOC_POSIX +# -------------------- +# Test whether 'calloc' is POSIX compliant (sets errno to ENOMEM when it +# fails), and replace calloc if it is not. +AC_DEFUN([gl_FUNC_CALLOC_POSIX], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_MALLOC_POSIX]) + if test $gl_cv_func_malloc_posix = yes; then + AC_DEFINE([HAVE_CALLOC_POSIX], [1], + [Define if the 'calloc' function is POSIX compliant.]) + else + REPLACE_CALLOC=1 + fi +]) diff --git a/m4/canon-host.m4 b/m4/canon-host.m4 new file mode 100644 index 00000000..852559f3 --- /dev/null +++ b/m4/canon-host.m4 @@ -0,0 +1,9 @@ +# canon-host.m4 serial 10 +dnl Copyright (C) 2002-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_PREREQ_CANON_HOST], [ + : +]) diff --git a/m4/canonicalize.m4 b/m4/canonicalize.m4 new file mode 100644 index 00000000..69b3f4ca --- /dev/null +++ b/m4/canonicalize.m4 @@ -0,0 +1,112 @@ +# canonicalize.m4 serial 24 + +dnl Copyright (C) 2003-2007, 2009-2012 Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Provides canonicalize_file_name and canonicalize_filename_mode, but does +# not provide or fix realpath. +AC_DEFUN([gl_FUNC_CANONICALIZE_FILENAME_MODE], +[ + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([canonicalize_file_name]) + AC_REQUIRE([gl_DOUBLE_SLASH_ROOT]) + AC_REQUIRE([gl_FUNC_REALPATH_WORKS]) + if test $ac_cv_func_canonicalize_file_name = no; then + HAVE_CANONICALIZE_FILE_NAME=0 + elif test "$gl_cv_func_realpath_works" != yes; then + REPLACE_CANONICALIZE_FILE_NAME=1 + fi +]) + +# Provides canonicalize_file_name and realpath. +AC_DEFUN([gl_CANONICALIZE_LGPL], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([gl_CANONICALIZE_LGPL_SEPARATE]) + if test $ac_cv_func_canonicalize_file_name = no; then + HAVE_CANONICALIZE_FILE_NAME=0 + if test $ac_cv_func_realpath = no; then + HAVE_REALPATH=0 + elif test "$gl_cv_func_realpath_works" != yes; then + REPLACE_REALPATH=1 + fi + elif test "$gl_cv_func_realpath_works" != yes; then + REPLACE_CANONICALIZE_FILE_NAME=1 + REPLACE_REALPATH=1 + fi +]) + +# Like gl_CANONICALIZE_LGPL, except prepare for separate compilation +# (no REPLACE_CANONICALIZE_FILE_NAME, no REPLACE_REALPATH, no AC_LIBOBJ). +AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE], +[ + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([canonicalize_file_name getcwd readlink]) + AC_REQUIRE([gl_DOUBLE_SLASH_ROOT]) + AC_REQUIRE([gl_FUNC_REALPATH_WORKS]) + AC_CHECK_HEADERS_ONCE([sys/param.h]) +]) + +# Check whether realpath works. Assume that if a platform has both +# realpath and canonicalize_file_name, but the former is broken, then +# so is the latter. +AC_DEFUN([gl_FUNC_REALPATH_WORKS], +[ + AC_CHECK_FUNCS_ONCE([realpath]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether realpath works], [gl_cv_func_realpath_works], [ + touch conftest.a + mkdir conftest.d + AC_RUN_IFELSE([ + AC_LANG_PROGRAM([[ + ]GL_NOCRASH[ + #include <stdlib.h> + #include <string.h> + ]], [[ + int result = 0; + { + char *name = realpath ("conftest.a", NULL); + if (!(name && *name == '/')) + result |= 1; + } + { + char *name = realpath ("conftest.b/../conftest.a", NULL); + if (name != NULL) + result |= 2; + } + { + char *name = realpath ("conftest.a/", NULL); + if (name != NULL) + result |= 4; + } + { + char *name1 = realpath (".", NULL); + char *name2 = realpath ("conftest.d//./..", NULL); + if (strcmp (name1, name2) != 0) + result |= 8; + } + return result; + ]]) + ], + [gl_cv_func_realpath_works=yes], + [gl_cv_func_realpath_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_realpath_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_realpath_works="guessing no" ;; + esac + ]) + rm -rf conftest.a conftest.d + ]) + case "$gl_cv_func_realpath_works" in + *yes) + AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath() + can malloc memory, always gives an absolute path, and handles + trailing slash correctly.]) + ;; + esac +]) diff --git a/m4/chdir-long.m4 b/m4/chdir-long.m4 new file mode 100644 index 00000000..6180891b --- /dev/null +++ b/m4/chdir-long.m4 @@ -0,0 +1,34 @@ +#serial 14 + +# Use Gnulib's robust chdir function. +# It can handle arbitrarily long directory names, which means +# that when it is given the name of an existing directory, it +# never fails with ENAMETOOLONG. +# Arrange to compile chdir-long.c only on systems that define PATH_MAX. + +dnl Copyright (C) 2004-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +AC_DEFUN([gl_FUNC_CHDIR_LONG], +[ + AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ]) + AC_CACHE_CHECK([whether this system has an arbitrary file name length limit], + gl_cv_have_arbitrary_file_name_length_limit, + [AC_EGREP_CPP([have_arbitrary_file_name_length_limit], + gl_PATHMAX_SNIPPET[ +#ifdef PATH_MAX +have_arbitrary_file_name_length_limit +#endif], + gl_cv_have_arbitrary_file_name_length_limit=yes, + gl_cv_have_arbitrary_file_name_length_limit=no)]) +]) + +AC_DEFUN([gl_PREREQ_CHDIR_LONG], +[ + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/m4/check-decl.m4 b/m4/check-decl.m4 new file mode 100644 index 00000000..50c6f539 --- /dev/null +++ b/m4/check-decl.m4 @@ -0,0 +1,40 @@ +#serial 26 +# Check declarations for this package. + +dnl Copyright (C) 1997-2012 Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + + +dnl This is just a wrapper function to encapsulate this kludge. +dnl Putting it in a separate file like this helps share it between +dnl different packages. +AC_DEFUN([gl_CHECK_DECLS], +[ + AC_REQUIRE([AC_HEADER_TIME]) + + AC_CHECK_HEADERS_ONCE([grp.h pwd.h]) + headers=' +#include <sys/types.h> + +#include <unistd.h> + +#if HAVE_GRP_H +# include <grp.h> +#endif + +#if HAVE_PWD_H +# include <pwd.h> +#endif +' + AC_CHECK_DECLS([ + getgrgid, + getpwuid, + ttyname], , , $headers) + + AC_CHECK_DECLS_ONCE([geteuid]) + AC_CHECK_DECLS_ONCE([getlogin]) + AC_CHECK_DECLS_ONCE([getuid]) +]) diff --git a/m4/chown.m4 b/m4/chown.m4 new file mode 100644 index 00000000..b35092a2 --- /dev/null +++ b/m4/chown.m4 @@ -0,0 +1,204 @@ +# serial 27 +# Determine whether we need the chown wrapper. + +dnl Copyright (C) 1997-2001, 2003-2005, 2007, 2009-2012 Free Software +dnl Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# chown should accept arguments of -1 for uid and gid, and it should +# dereference symlinks. If it doesn't, arrange to use the replacement +# function. + +# From Jim Meyering. + +m4_version_prereq([2.70], [] ,[ + +# This is taken from the following Autoconf patch: +# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9 +AC_DEFUN([AC_FUNC_CHOWN], +[ + AC_REQUIRE([AC_TYPE_UID_T])dnl + AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles + AC_CHECK_HEADERS([unistd.h]) + AC_CACHE_CHECK([for working chown], + [ac_cv_func_chown_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT + [#include <fcntl.h> + ]], + [[ + char *f = "conftest.chown"; + struct stat before, after; + + if (creat (f, 0600) < 0) + return 1; + if (stat (f, &before) < 0) + return 1; + if (chown (f, (uid_t) -1, (gid_t) -1) == -1) + return 1; + if (stat (f, &after) < 0) + return 1; + return ! (before.st_uid == after.st_uid && before.st_gid == after.st_gid); + ]]) + ], + [ac_cv_func_chown_works=yes], + [ac_cv_func_chown_works=no], + [case "$host_os" in # (( + # Guess yes on glibc systems. + *-gnu*) ac_cv_func_chown_works=yes ;; + # If we don't know, assume the worst. + *) ac_cv_func_chown_works=no ;; + esac + ]) + rm -f conftest.chown + ]) + if test $ac_cv_func_chown_works = yes; then + AC_DEFINE([HAVE_CHOWN], [1], + [Define to 1 if your system has a working `chown' function.]) + fi +])# AC_FUNC_CHOWN + +]) + +AC_DEFUN_ONCE([gl_FUNC_CHOWN], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_TYPE_UID_T]) + AC_REQUIRE([AC_FUNC_CHOWN]) + AC_REQUIRE([gl_FUNC_CHOWN_FOLLOWS_SYMLINK]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([chown fchown]) + + dnl mingw lacks chown altogether. + if test $ac_cv_func_chown = no; then + HAVE_CHOWN=0 + else + dnl Some old systems treated chown like lchown. + if test $gl_cv_func_chown_follows_symlink = no; then + REPLACE_CHOWN=1 + fi + + dnl Some old systems tried to use uid/gid -1 literally. + if test $ac_cv_func_chown_works = no; then + AC_DEFINE([CHOWN_FAILS_TO_HONOR_ID_OF_NEGATIVE_ONE], [1], + [Define if chown is not POSIX compliant regarding IDs of -1.]) + REPLACE_CHOWN=1 + fi + + dnl Solaris 9 ignores trailing slash. + dnl FreeBSD 7.2 mishandles trailing slash on symlinks. + dnl Likewise for AIX 7.1. + AC_CACHE_CHECK([whether chown honors trailing slash], + [gl_cv_func_chown_slash_works], + [touch conftest.file && rm -f conftest.link + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> +]], [[ if (symlink ("conftest.file", "conftest.link")) return 1; + if (chown ("conftest.link/", getuid (), getgid ()) == 0) return 2; + ]])], + [gl_cv_func_chown_slash_works=yes], + [gl_cv_func_chown_slash_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_chown_slash_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_chown_slash_works="guessing no" ;; + esac + ]) + rm -f conftest.link conftest.file]) + case "$gl_cv_func_chown_slash_works" in + *yes) ;; + *) + AC_DEFINE([CHOWN_TRAILING_SLASH_BUG], [1], + [Define to 1 if chown mishandles trailing slash.]) + REPLACE_CHOWN=1 + ;; + esac + + dnl OpenBSD fails to update ctime if ownership does not change. + AC_CACHE_CHECK([whether chown always updates ctime], + [gl_cv_func_chown_ctime_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> +#include <fcntl.h> +#include <sys/stat.h> +]], [[ struct stat st1, st2; + if (close (creat ("conftest.file", 0600))) return 1; + if (stat ("conftest.file", &st1)) return 2; + sleep (1); + if (chown ("conftest.file", st1.st_uid, st1.st_gid)) return 3; + if (stat ("conftest.file", &st2)) return 4; + if (st2.st_ctime <= st1.st_ctime) return 5; + ]])], + [gl_cv_func_chown_ctime_works=yes], + [gl_cv_func_chown_ctime_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_chown_ctime_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_chown_ctime_works="guessing no" ;; + esac + ]) + rm -f conftest.file]) + case "$gl_cv_func_chown_ctime_works" in + *yes) ;; + *) + AC_DEFINE([CHOWN_CHANGE_TIME_BUG], [1], [Define to 1 if chown fails + to change ctime when at least one argument was not -1.]) + REPLACE_CHOWN=1 + ;; + esac + fi +]) + +# Determine whether chown follows symlinks (it should). +AC_DEFUN_ONCE([gl_FUNC_CHOWN_FOLLOWS_SYMLINK], +[ + AC_CACHE_CHECK( + [whether chown dereferences symlinks], + [gl_cv_func_chown_follows_symlink], + [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> + + int + main () + { + int result = 0; + char const *dangling_symlink = "conftest.dangle"; + + unlink (dangling_symlink); + if (symlink ("conftest.no-such", dangling_symlink)) + abort (); + + /* Exit successfully on a conforming system, + i.e., where chown must fail with ENOENT. */ + if (chown (dangling_symlink, getuid (), getgid ()) == 0) + result |= 1; + if (errno != ENOENT) + result |= 2; + return result; + } + ]])], + [gl_cv_func_chown_follows_symlink=yes], + [gl_cv_func_chown_follows_symlink=no], + [gl_cv_func_chown_follows_symlink=yes] + ) + ] + ) + + if test $gl_cv_func_chown_follows_symlink = no; then + AC_DEFINE([CHOWN_MODIFIES_SYMLINK], [1], + [Define if chown modifies symlinks.]) + fi +]) diff --git a/m4/clock_time.m4 b/m4/clock_time.m4 new file mode 100644 index 00000000..0bec0ef8 --- /dev/null +++ b/m4/clock_time.m4 @@ -0,0 +1,31 @@ +# clock_time.m4 serial 10 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Check for clock_gettime and clock_settime, and set LIB_CLOCK_GETTIME. +# For a program named, say foo, you should add a line like the following +# in the corresponding Makefile.am file: +# foo_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME) + +AC_DEFUN([gl_CLOCK_TIME], +[ + dnl Persuade glibc and Solaris <time.h> to declare these functions. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function. + # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4. + + # Save and restore LIBS so e.g., -lrt, isn't added to it. Otherwise, *all* + # programs in the package would end up linked with that potentially-shared + # library, inducing unnecessary run-time overhead. + LIB_CLOCK_GETTIME= + AC_SUBST([LIB_CLOCK_GETTIME]) + gl_saved_libs=$LIBS + AC_SEARCH_LIBS([clock_gettime], [rt posix4], + [test "$ac_cv_search_clock_gettime" = "none required" || + LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime]) + AC_CHECK_FUNCS([clock_gettime clock_settime]) + LIBS=$gl_saved_libs +]) diff --git a/m4/close-stream.m4 b/m4/close-stream.m4 new file mode 100644 index 00000000..be0c8a22 --- /dev/null +++ b/m4/close-stream.m4 @@ -0,0 +1,11 @@ +#serial 4 +dnl Copyright (C) 2006-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/close-stream.c. +AC_DEFUN([gl_CLOSE_STREAM], +[ + : +]) diff --git a/m4/close.m4 b/m4/close.m4 new file mode 100644 index 00000000..379e70d8 --- /dev/null +++ b/m4/close.m4 @@ -0,0 +1,33 @@ +# close.m4 serial 8 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_CLOSE], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_CLOSE=1 + fi + m4_ifdef([gl_PREREQ_SYS_H_WINSOCK2], [ + gl_PREREQ_SYS_H_WINSOCK2 + if test $UNISTD_H_HAVE_WINSOCK2_H = 1; then + dnl Even if the 'socket' module is not used here, another part of the + dnl application may use it and pass file descriptors that refer to + dnl sockets to the close() function. So enable the support for sockets. + REPLACE_CLOSE=1 + fi + ]) + dnl Replace close() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + if test $REPLACE_CLOSE = 0; then + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + REPLACE_CLOSE=1 + fi + fi + ]) +]) diff --git a/m4/closedir.m4 b/m4/closedir.m4 new file mode 100644 index 00000000..8a2fba4b --- /dev/null +++ b/m4/closedir.m4 @@ -0,0 +1,25 @@ +# closedir.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_CLOSEDIR], +[ + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + + AC_CHECK_FUNCS([closedir]) + if test $ac_cv_func_closedir = no; then + HAVE_CLOSEDIR=0 + fi + dnl Replace closedir() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + if test $HAVE_CLOSEDIR = 1; then + REPLACE_CLOSEDIR=1 + fi + fi + ]) +]) diff --git a/m4/closein.m4 b/m4/closein.m4 new file mode 100644 index 00000000..459e908f --- /dev/null +++ b/m4/closein.m4 @@ -0,0 +1,11 @@ +# closein.m4 serial 2 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/closein.c. +AC_DEFUN([gl_CLOSEIN], +[ + : +]) diff --git a/m4/closeout.m4 b/m4/closeout.m4 new file mode 100644 index 00000000..71395c1a --- /dev/null +++ b/m4/closeout.m4 @@ -0,0 +1,12 @@ +# closeout.m4 serial 6 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/closeout.c. +AC_DEFUN([gl_CLOSEOUT], +[ + : +]) diff --git a/m4/codeset.m4 b/m4/codeset.m4 new file mode 100644 index 00000000..cf53d241 --- /dev/null +++ b/m4/codeset.m4 @@ -0,0 +1,23 @@ +# codeset.m4 serial 5 (gettext-0.18.2) +dnl Copyright (C) 2000-2002, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_DEFUN([AM_LANGINFO_CODESET], +[ + AC_CACHE_CHECK([for nl_langinfo and CODESET], [am_cv_langinfo_codeset], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <langinfo.h>]], + [[char* cs = nl_langinfo(CODESET); return !cs;]])], + [am_cv_langinfo_codeset=yes], + [am_cv_langinfo_codeset=no]) + ]) + if test $am_cv_langinfo_codeset = yes; then + AC_DEFINE([HAVE_LANGINFO_CODESET], [1], + [Define if you have <langinfo.h> and nl_langinfo(CODESET).]) + fi +]) diff --git a/m4/config-h.m4 b/m4/config-h.m4 new file mode 100644 index 00000000..b61e22f5 --- /dev/null +++ b/m4/config-h.m4 @@ -0,0 +1,13 @@ +# Say that -DHAVE_CONFIG_H is not needed. + +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +# This package's source files all include config.h unconditionally, +# so there's no need to pass -DHAVE_CONFIG_H to the compiler. +AC_DEFUN([gl_CONFIG_H], + [AC_CONFIG_COMMANDS_PRE([test "X$DEFS" = X-DHAVE_CONFIG_H && DEFS=])]) diff --git a/m4/configmake.m4 b/m4/configmake.m4 new file mode 100644 index 00000000..8c82371e --- /dev/null +++ b/m4/configmake.m4 @@ -0,0 +1,50 @@ +# configmake.m4 serial 1 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# gl_CONFIGMAKE_PREP +# ------------------ +# Guarantee all of the standard directory variables, even when used with +# autoconf 2.59 (datarootdir wasn't supported until 2.59c) or automake +# 1.9.6 (pkglibexecdir wasn't supported until 1.10b.). +AC_DEFUN([gl_CONFIGMAKE_PREP], +[ + dnl Technically, datadir should default to datarootdir. But if + dnl autoconf is too old to provide datarootdir, then reversing the + dnl definition is a reasonable compromise. Only AC_SUBST a variable + dnl if it was not already defined earlier by autoconf. + if test "x$datarootdir" = x; then + AC_SUBST([datarootdir], ['${datadir}']) + fi + dnl Copy the approach used in autoconf 2.60. + if test "x$docdir" = x; then + AC_SUBST([docdir], [m4_ifset([AC_PACKAGE_TARNAME], + ['${datarootdir}/doc/${PACKAGE_TARNAME}'], + ['${datarootdir}/doc/${PACKAGE}'])]) + fi + dnl The remaining variables missing from autoconf 2.59 are easier. + if test "x$htmldir" = x; then + AC_SUBST([htmldir], ['${docdir}']) + fi + if test "x$dvidir" = x; then + AC_SUBST([dvidir], ['${docdir}']) + fi + if test "x$pdfdir" = x; then + AC_SUBST([pdfdir], ['${docdir}']) + fi + if test "x$psdir" = x; then + AC_SUBST([psdir], ['${docdir}']) + fi + if test "x$lispdir" = x; then + AC_SUBST([lispdir], ['${datarootdir}/emacs/site-lisp']) + fi + if test "x$localedir" = x; then + AC_SUBST([localedir], ['${datarootdir}/locale']) + fi + + dnl Automake 1.9.6 only lacks pkglibexecdir; and since 1.11 merely + dnl provides it without AC_SUBST, this blind use of AC_SUBST is safe. + AC_SUBST([pkglibexecdir], ['${libexecdir}/${PACKAGE}']) +]) diff --git a/m4/ctype.m4 b/m4/ctype.m4 new file mode 100644 index 00000000..c1a4f225 --- /dev/null +++ b/m4/ctype.m4 @@ -0,0 +1,32 @@ +# ctype_h.m4 serial 6 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_CTYPE_H], +[ + AC_REQUIRE([gl_CTYPE_H_DEFAULTS]) + + dnl <ctype.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_NEXT_HEADERS([ctype.h]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <ctype.h> + ]], [isblank]) +]) + +AC_DEFUN([gl_CTYPE_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_CTYPE_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_CTYPE_H_DEFAULTS], +[ + GNULIB_ISBLANK=0; AC_SUBST([GNULIB_ISBLANK]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_ISBLANK=1; AC_SUBST([HAVE_ISBLANK]) +]) diff --git a/m4/cycle-check.m4 b/m4/cycle-check.m4 new file mode 100644 index 00000000..34c5bcb5 --- /dev/null +++ b/m4/cycle-check.m4 @@ -0,0 +1,10 @@ +#serial 6 +dnl Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_CYCLE_CHECK], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/d-ino.m4 b/m4/d-ino.m4 new file mode 100644 index 00000000..16d46aad --- /dev/null +++ b/m4/d-ino.m4 @@ -0,0 +1,55 @@ +# serial 13 + +dnl From Jim Meyering. +dnl +dnl Check whether struct dirent has a member named d_ino. +dnl + +# Copyright (C) 1997, 1999-2001, 2003-2004, 2006-2007, 2009-2012 Free Software +# Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO], + [AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([for d_ino member in directory struct], + gl_cv_struct_dirent_d_ino, + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + #include <sys/stat.h> + #include <dirent.h> + ]], + [[DIR *dp = opendir ("."); + struct dirent *e; + struct stat st; + if (! dp) + return 1; + e = readdir (dp); + if (! e) + return 2; + if (stat (e->d_name, &st) != 0) + return 3; + if (e->d_ino != st.st_ino) + return 4; + return 0; + ]])], + [gl_cv_struct_dirent_d_ino=yes], + [gl_cv_struct_dirent_d_ino=no], + [case "$host_os" in + # Guess yes on glibc systems with Linux kernel. + linux*-gnu*) gl_cv_struct_dirent_d_ino="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_struct_dirent_d_ino="guessing no" ;; + esac + ])]) + case "$gl_cv_struct_dirent_d_ino" in + *yes) + AC_DEFINE([D_INO_IN_DIRENT], [1], + [Define if struct dirent has a member d_ino that actually works.]) + ;; + esac + ] +) diff --git a/m4/d-type.m4 b/m4/d-type.m4 new file mode 100644 index 00000000..34b68726 --- /dev/null +++ b/m4/d-type.m4 @@ -0,0 +1,32 @@ +# serial 11 + +dnl From Jim Meyering. +dnl +dnl Check whether struct dirent has a member named d_type. +dnl + +# Copyright (C) 1997, 1999-2004, 2006, 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE], + [AC_CACHE_CHECK([for d_type member in directory struct], + gl_cv_struct_dirent_d_type, + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <dirent.h> + ]], + [[struct dirent dp; dp.d_type = 0;]])], + [gl_cv_struct_dirent_d_type=yes], + [gl_cv_struct_dirent_d_type=no]) + ] + ) + if test $gl_cv_struct_dirent_d_type = yes; then + AC_DEFINE([HAVE_STRUCT_DIRENT_D_TYPE], [1], + [Define if there is a member named d_type in the struct describing + directory headers.]) + fi + ] +) diff --git a/m4/dirent-safer.m4 b/m4/dirent-safer.m4 new file mode 100644 index 00000000..98012474 --- /dev/null +++ b/m4/dirent-safer.m4 @@ -0,0 +1,10 @@ +#serial 2 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_DIRENT_SAFER], +[ + AC_CHECK_FUNCS_ONCE([fdopendir]) +]) diff --git a/m4/dirent_h.m4 b/m4/dirent_h.m4 new file mode 100644 index 00000000..f6c0fa7b --- /dev/null +++ b/m4/dirent_h.m4 @@ -0,0 +1,64 @@ +# dirent_h.m4 serial 16 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Bruno Haible. + +AC_DEFUN([gl_DIRENT_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + + dnl <dirent.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([dirent.h]) + if test $ac_cv_header_dirent_h = yes; then + HAVE_DIRENT_H=1 + else + HAVE_DIRENT_H=0 + fi + AC_SUBST([HAVE_DIRENT_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <dirent.h> + ]], [alphasort closedir dirfd fdopendir opendir readdir rewinddir scandir]) +]) + +AC_DEFUN([gl_DIRENT_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_DIRENT_H_DEFAULTS], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR + GNULIB_OPENDIR=0; AC_SUBST([GNULIB_OPENDIR]) + GNULIB_READDIR=0; AC_SUBST([GNULIB_READDIR]) + GNULIB_REWINDDIR=0; AC_SUBST([GNULIB_REWINDDIR]) + GNULIB_CLOSEDIR=0; AC_SUBST([GNULIB_CLOSEDIR]) + GNULIB_DIRFD=0; AC_SUBST([GNULIB_DIRFD]) + GNULIB_FDOPENDIR=0; AC_SUBST([GNULIB_FDOPENDIR]) + GNULIB_SCANDIR=0; AC_SUBST([GNULIB_SCANDIR]) + GNULIB_ALPHASORT=0; AC_SUBST([GNULIB_ALPHASORT]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_OPENDIR=1; AC_SUBST([HAVE_OPENDIR]) + HAVE_READDIR=1; AC_SUBST([HAVE_READDIR]) + HAVE_REWINDDIR=1; AC_SUBST([HAVE_REWINDDIR]) + HAVE_CLOSEDIR=1; AC_SUBST([HAVE_CLOSEDIR]) + HAVE_DECL_DIRFD=1; AC_SUBST([HAVE_DECL_DIRFD]) + HAVE_DECL_FDOPENDIR=1;AC_SUBST([HAVE_DECL_FDOPENDIR]) + HAVE_FDOPENDIR=1; AC_SUBST([HAVE_FDOPENDIR]) + HAVE_SCANDIR=1; AC_SUBST([HAVE_SCANDIR]) + HAVE_ALPHASORT=1; AC_SUBST([HAVE_ALPHASORT]) + REPLACE_OPENDIR=0; AC_SUBST([REPLACE_OPENDIR]) + REPLACE_CLOSEDIR=0; AC_SUBST([REPLACE_CLOSEDIR]) + REPLACE_DIRFD=0; AC_SUBST([REPLACE_DIRFD]) + REPLACE_FDOPENDIR=0; AC_SUBST([REPLACE_FDOPENDIR]) +]) diff --git a/m4/dirfd.m4 b/m4/dirfd.m4 new file mode 100644 index 00000000..fc475d78 --- /dev/null +++ b/m4/dirfd.m4 @@ -0,0 +1,83 @@ +# serial 22 -*- Autoconf -*- + +dnl Find out how to get the file descriptor associated with an open DIR*. + +# Copyright (C) 2001-2006, 2008-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering + +AC_DEFUN([gl_FUNC_DIRFD], +[ + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + + dnl Persuade glibc <dirent.h> to declare dirfd(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS([dirfd]) + AC_CHECK_DECLS([dirfd], , , + [[#include <sys/types.h> + #include <dirent.h>]]) + if test $ac_cv_have_decl_dirfd = no; then + HAVE_DECL_DIRFD=0 + fi + + AC_CACHE_CHECK([whether dirfd is a macro], + gl_cv_func_dirfd_macro, + [AC_EGREP_CPP([dirent_header_defines_dirfd], [ +#include <sys/types.h> +#include <dirent.h> +#ifdef dirfd + dirent_header_defines_dirfd +#endif], + gl_cv_func_dirfd_macro=yes, + gl_cv_func_dirfd_macro=no)]) + + # Use the replacement only if we have no function or macro with that name. + if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no; then + if test $ac_cv_have_decl_dirfd = yes; then + # If the system declares dirfd already, let's declare rpl_dirfd instead. + REPLACE_DIRFD=1 + fi + fi +]) + +dnl Prerequisites of lib/dirfd.c. +AC_DEFUN([gl_PREREQ_DIRFD], +[ + AC_CACHE_CHECK([how to get the file descriptor associated with an open DIR*], + [gl_cv_sys_dir_fd_member_name], + [ + dirfd_save_CFLAGS=$CFLAGS + for ac_expr in d_fd dd_fd; do + + CFLAGS="$CFLAGS -DDIR_FD_MEMBER_NAME=$ac_expr" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + #include <sys/types.h> + #include <dirent.h>]], + [[DIR *dir_p = opendir("."); (void) dir_p->DIR_FD_MEMBER_NAME;]])], + [dir_fd_found=yes] + ) + CFLAGS=$dirfd_save_CFLAGS + test "$dir_fd_found" = yes && break + done + test "$dir_fd_found" = yes || ac_expr=no_such_member + + gl_cv_sys_dir_fd_member_name=$ac_expr + ] + ) + if test $gl_cv_sys_dir_fd_member_name != no_such_member; then + AC_DEFINE_UNQUOTED([DIR_FD_MEMBER_NAME], + [$gl_cv_sys_dir_fd_member_name], + [the name of the file descriptor member of DIR]) + fi + AH_VERBATIM([DIR_TO_FD], + [#ifdef DIR_FD_MEMBER_NAME +# define DIR_TO_FD(Dir_p) ((Dir_p)->DIR_FD_MEMBER_NAME) +#else +# define DIR_TO_FD(Dir_p) -1 +#endif +]) +]) diff --git a/m4/dirname.m4 b/m4/dirname.m4 new file mode 100644 index 00000000..65639ec8 --- /dev/null +++ b/m4/dirname.m4 @@ -0,0 +1,19 @@ +#serial 10 -*- autoconf -*- +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_DIRNAME], +[ + AC_REQUIRE([gl_DIRNAME_LGPL]) +]) + +AC_DEFUN([gl_DIRNAME_LGPL], +[ + dnl Prerequisites of lib/dirname.h. + AC_REQUIRE([gl_DOUBLE_SLASH_ROOT]) + + dnl No prerequisites of lib/basename-lgpl.c, lib/dirname-lgpl.c, + dnl lib/stripslash.c. +]) diff --git a/m4/double-slash-root.m4 b/m4/double-slash-root.m4 new file mode 100644 index 00000000..1e037513 --- /dev/null +++ b/m4/double-slash-root.m4 @@ -0,0 +1,38 @@ +# double-slash-root.m4 serial 4 -*- Autoconf -*- +dnl Copyright (C) 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_DOUBLE_SLASH_ROOT], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CACHE_CHECK([whether // is distinct from /], [gl_cv_double_slash_root], + [ if test x"$cross_compiling" = xyes ; then + # When cross-compiling, there is no way to tell whether // is special + # short of a list of hosts. However, the only known hosts to date + # that have a distinct // are Apollo DomainOS (too old to port to), + # Cygwin, and z/OS. If anyone knows of another system for which // has + # special semantics and is distinct from /, please report it to + # <bug-gnulib@gnu.org>. + case $host in + *-cygwin | i370-ibm-openedition) + gl_cv_double_slash_root=yes ;; + *) + # Be optimistic and assume that / and // are the same when we + # don't know. + gl_cv_double_slash_root='unknown, assuming no' ;; + esac + else + set x `ls -di / // 2>/dev/null` + if test "$[2]" = "$[4]" && wc //dev/null >/dev/null 2>&1; then + gl_cv_double_slash_root=no + else + gl_cv_double_slash_root=yes + fi + fi]) + if test "$gl_cv_double_slash_root" = yes; then + AC_DEFINE([DOUBLE_SLASH_IS_DISTINCT_ROOT], [1], + [Define to 1 if // is a file system root distinct from /.]) + fi +]) diff --git a/m4/dup.m4 b/m4/dup.m4 new file mode 100644 index 00000000..bec5880a --- /dev/null +++ b/m4/dup.m4 @@ -0,0 +1,27 @@ +# dup.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_DUP], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_DUP=1 + fi + dnl Replace dup() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + REPLACE_DUP=1 + fi + ]) +]) + +# Prerequisites of lib/dup.c. +AC_DEFUN([gl_PREREQ_DUP], [ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/dup2.m4 b/m4/dup2.m4 new file mode 100644 index 00000000..fc86e808 --- /dev/null +++ b/m4/dup2.m4 @@ -0,0 +1,81 @@ +#serial 18 +dnl Copyright (C) 2002, 2005, 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_DUP2], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + m4_ifdef([gl_FUNC_DUP2_OBSOLETE], [ + AC_CHECK_FUNCS_ONCE([dup2]) + if test $ac_cv_func_dup2 = no; then + HAVE_DUP2=0 + fi + ], [ + AC_DEFINE([HAVE_DUP2], [1], [Define to 1 if you have the 'dup2' function.]) + ]) + if test $HAVE_DUP2 = 1; then + AC_CACHE_CHECK([whether dup2 works], [gl_cv_func_dup2_works], + [AC_RUN_IFELSE([ + AC_LANG_PROGRAM([[#include <unistd.h> +#include <fcntl.h> +#include <errno.h>]], + [int result = 0; +#ifdef FD_CLOEXEC + if (fcntl (1, F_SETFD, FD_CLOEXEC) == -1) + result |= 1; +#endif + if (dup2 (1, 1) == 0) + result |= 2; +#ifdef FD_CLOEXEC + if (fcntl (1, F_GETFD) != FD_CLOEXEC) + result |= 4; +#endif + close (0); + if (dup2 (0, 0) != -1) + result |= 8; + /* Many gnulib modules require POSIX conformance of EBADF. */ + if (dup2 (2, 1000000) == -1 && errno != EBADF) + result |= 16; + return result; + ]) + ], + [gl_cv_func_dup2_works=yes], [gl_cv_func_dup2_works=no], + [case "$host_os" in + mingw*) # on this platform, dup2 always returns 0 for success + gl_cv_func_dup2_works="guessing no" ;; + cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0 + gl_cv_func_dup2_works="guessing no" ;; + linux*) # On linux between 2008-07-27 and 2009-05-11, dup2 of a + # closed fd may yield -EBADF instead of -1 / errno=EBADF. + gl_cv_func_dup2_works="guessing no" ;; + freebsd*) # on FreeBSD 6.1, dup2(1,1000000) gives EMFILE, not EBADF. + gl_cv_func_dup2_works="guessing no" ;; + haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC. + gl_cv_func_dup2_works="guessing no" ;; + *) gl_cv_func_dup2_works="guessing yes" ;; + esac]) + ]) + case "$gl_cv_func_dup2_works" in + *yes) ;; + *) + REPLACE_DUP2=1 + ;; + esac + fi + dnl Replace dup2() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + if test $HAVE_DUP2 = 1; then + REPLACE_DUP2=1 + fi + fi + ]) +]) + +# Prerequisites of lib/dup2.c. +AC_DEFUN([gl_PREREQ_DUP2], []) diff --git a/m4/eealloc.m4 b/m4/eealloc.m4 new file mode 100644 index 00000000..75f17e2f --- /dev/null +++ b/m4/eealloc.m4 @@ -0,0 +1,32 @@ +# eealloc.m4 serial 2 +dnl Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_EEALLOC], +[ + AC_REQUIRE([gl_EEMALLOC]) + AC_REQUIRE([gl_EEREALLOC]) + AC_REQUIRE([AC_C_INLINE]) +]) + +AC_DEFUN([gl_EEMALLOC], +[ + _AC_FUNC_MALLOC_IF( + [gl_cv_func_malloc_0_nonnull=1], + [gl_cv_func_malloc_0_nonnull=0]) + AC_DEFINE_UNQUOTED([MALLOC_0_IS_NONNULL], [$gl_cv_func_malloc_0_nonnull], + [If malloc(0) is != NULL, define this to 1. Otherwise define this + to 0.]) +]) + +AC_DEFUN([gl_EEREALLOC], +[ + _AC_FUNC_REALLOC_IF( + [gl_cv_func_realloc_0_nonnull=1], + [gl_cv_func_realloc_0_nonnull=0]) + AC_DEFINE_UNQUOTED([REALLOC_0_IS_NONNULL], [$gl_cv_func_realloc_0_nonnull], + [If realloc(NULL,0) is != NULL, define this to 1. Otherwise define this + to 0.]) +]) diff --git a/m4/environ.m4 b/m4/environ.m4 new file mode 100644 index 00000000..8eb57c9d --- /dev/null +++ b/m4/environ.m4 @@ -0,0 +1,47 @@ +# environ.m4 serial 6 +dnl Copyright (C) 2001-2004, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN_ONCE([gl_ENVIRON], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + dnl Persuade glibc <unistd.h> to declare environ. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_HEADERS_ONCE([unistd.h]) + gt_CHECK_VAR_DECL( + [#if HAVE_UNISTD_H + #include <unistd.h> + #endif + /* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>. */ + #include <stdlib.h> + ], + [environ]) + if test $gt_cv_var_environ_declaration != yes; then + HAVE_DECL_ENVIRON=0 + fi +]) + +# Check if a variable is properly declared. +# gt_CHECK_VAR_DECL(includes,variable) +AC_DEFUN([gt_CHECK_VAR_DECL], +[ + define([gt_cv_var], [gt_cv_var_]$2[_declaration]) + AC_MSG_CHECKING([if $2 is properly declared]) + AC_CACHE_VAL([gt_cv_var], [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[$1 + extern struct { int foo; } $2;]], + [[$2.foo = 1;]])], + [gt_cv_var=no], + [gt_cv_var=yes])]) + AC_MSG_RESULT([$gt_cv_var]) + if test $gt_cv_var = yes; then + AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1, + [Define if you have the declaration of $2.]) + fi + undefine([gt_cv_var]) +]) diff --git a/m4/errno_h.m4 b/m4/errno_h.m4 new file mode 100644 index 00000000..4f0bb835 --- /dev/null +++ b/m4/errno_h.m4 @@ -0,0 +1,125 @@ +# errno_h.m4 serial 10 +dnl Copyright (C) 2004, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN_ONCE([gl_HEADER_ERRNO_H], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([for complete errno.h], [gl_cv_header_errno_h_complete], [ + AC_EGREP_CPP([booboo],[ +#include <errno.h> +#if !defined ENOMSG +booboo +#endif +#if !defined EIDRM +booboo +#endif +#if !defined ENOLINK +booboo +#endif +#if !defined EPROTO +booboo +#endif +#if !defined EMULTIHOP +booboo +#endif +#if !defined EBADMSG +booboo +#endif +#if !defined EOVERFLOW +booboo +#endif +#if !defined ENOTSUP +booboo +#endif +#if !defined ENETRESET +booboo +#endif +#if !defined ECONNABORTED +booboo +#endif +#if !defined ESTALE +booboo +#endif +#if !defined EDQUOT +booboo +#endif +#if !defined ECANCELED +booboo +#endif + ], + [gl_cv_header_errno_h_complete=no], + [gl_cv_header_errno_h_complete=yes]) + ]) + if test $gl_cv_header_errno_h_complete = yes; then + ERRNO_H='' + else + gl_NEXT_HEADERS([errno.h]) + ERRNO_H='errno.h' + fi + AC_SUBST([ERRNO_H]) + AM_CONDITIONAL([GL_GENERATE_ERRNO_H], [test -n "$ERRNO_H"]) + gl_REPLACE_ERRNO_VALUE([EMULTIHOP]) + gl_REPLACE_ERRNO_VALUE([ENOLINK]) + gl_REPLACE_ERRNO_VALUE([EOVERFLOW]) +]) + +# Assuming $1 = EOVERFLOW. +# The EOVERFLOW errno value ought to be defined in <errno.h>, according to +# POSIX. But some systems (like OpenBSD 4.0 or AIX 3) don't define it, and +# some systems (like OSF/1) define it when _XOPEN_SOURCE_EXTENDED is defined. +# Check for the value of EOVERFLOW. +# Set the variables EOVERFLOW_HIDDEN and EOVERFLOW_VALUE. +AC_DEFUN([gl_REPLACE_ERRNO_VALUE], +[ + if test -n "$ERRNO_H"; then + AC_CACHE_CHECK([for ]$1[ value], [gl_cv_header_errno_h_]$1, [ + AC_EGREP_CPP([yes],[ +#include <errno.h> +#ifdef ]$1[ +yes +#endif + ], + [gl_cv_header_errno_h_]$1[=yes], + [gl_cv_header_errno_h_]$1[=no]) + if test $gl_cv_header_errno_h_]$1[ = no; then + AC_EGREP_CPP([yes],[ +#define _XOPEN_SOURCE_EXTENDED 1 +#include <errno.h> +#ifdef ]$1[ +yes +#endif + ], [gl_cv_header_errno_h_]$1[=hidden]) + if test $gl_cv_header_errno_h_]$1[ = hidden; then + dnl The macro exists but is hidden. + dnl Define it to the same value. + AC_COMPUTE_INT([gl_cv_header_errno_h_]$1, $1, [ +#define _XOPEN_SOURCE_EXTENDED 1 +#include <errno.h> +/* The following two lines are a workaround against an autoconf-2.52 bug. */ +#include <stdio.h> +#include <stdlib.h> +]) + fi + fi + ]) + case $gl_cv_header_errno_h_]$1[ in + yes | no) + ]$1[_HIDDEN=0; ]$1[_VALUE= + ;; + *) + ]$1[_HIDDEN=1; ]$1[_VALUE="$gl_cv_header_errno_h_]$1[" + ;; + esac + AC_SUBST($1[_HIDDEN]) + AC_SUBST($1[_VALUE]) + fi +]) + +dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in. +dnl Remove this when we can assume autoconf >= 2.61. +m4_ifdef([AC_COMPUTE_INT], [], [ + AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])]) +]) diff --git a/m4/error.m4 b/m4/error.m4 new file mode 100644 index 00000000..5d9c70a4 --- /dev/null +++ b/m4/error.m4 @@ -0,0 +1,28 @@ +#serial 14 + +# Copyright (C) 1996-1998, 2001-2004, 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_ERROR], +[ + dnl We don't use AC_FUNC_ERROR_AT_LINE any more, because it is no longer + dnl maintained in Autoconf and because it invokes AC_LIBOBJ. + AC_CACHE_CHECK([for error_at_line], [ac_cv_lib_error_at_line], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <error.h>]], + [[error_at_line (0, 0, "", 0, "an error occurred");]])], + [ac_cv_lib_error_at_line=yes], + [ac_cv_lib_error_at_line=no])]) +]) + +# Prerequisites of lib/error.c. +AC_DEFUN([gl_PREREQ_ERROR], +[ + AC_REQUIRE([AC_FUNC_STRERROR_R]) + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/m4/euidaccess.m4 b/m4/euidaccess.m4 new file mode 100644 index 00000000..841da01c --- /dev/null +++ b/m4/euidaccess.m4 @@ -0,0 +1,52 @@ +# euidaccess.m4 serial 14 +dnl Copyright (C) 2002-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_NONREENTRANT_EUIDACCESS], +[ + AC_REQUIRE([gl_FUNC_EUIDACCESS]) + AC_DEFINE([PREFER_NONREENTRANT_EUIDACCESS], [1], + [Define this if you prefer euidaccess to return the correct result + even if this would make it nonreentrant. Define this only if your + entire application is safe even if the uid or gid might temporarily + change. If your application uses signal handlers or threads it + is probably not safe.]) +]) + +AC_DEFUN([gl_FUNC_EUIDACCESS], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Persuade glibc <unistd.h> to declare euidaccess(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS([euidaccess]) + if test $ac_cv_func_euidaccess = no; then + HAVE_EUIDACCESS=0 + fi +]) + +# Prerequisites of lib/euidaccess.c. +AC_DEFUN([gl_PREREQ_EUIDACCESS], [ + dnl Prefer POSIX faccessat over non-standard euidaccess. + AC_CHECK_FUNCS_ONCE([faccessat]) + dnl Try various other non-standard fallbacks. + AC_CHECK_HEADERS_ONCE([libgen.h]) + AC_CHECK_DECLS_ONCE([setregid]) + AC_REQUIRE([AC_FUNC_GETGROUPS]) + + # Solaris 9 and 10 need -lgen to get the eaccess function. + # Save and restore LIBS so -lgen isn't added to it. Otherwise, *all* + # programs in the package would end up linked with that potentially-shared + # library, inducing unnecessary run-time overhead. + LIB_EACCESS= + AC_SUBST([LIB_EACCESS]) + gl_saved_libs=$LIBS + AC_SEARCH_LIBS([eaccess], [gen], + [test "$ac_cv_search_eaccess" = "none required" || + LIB_EACCESS=$ac_cv_search_eaccess]) + AC_CHECK_FUNCS([eaccess]) + LIBS=$gl_saved_libs +]) diff --git a/m4/exponentd.m4 b/m4/exponentd.m4 new file mode 100644 index 00000000..0ae4ccfa --- /dev/null +++ b/m4/exponentd.m4 @@ -0,0 +1,116 @@ +# exponentd.m4 serial 3 +dnl Copyright (C) 2007-2008, 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +AC_DEFUN([gl_DOUBLE_EXPONENT_LOCATION], +[ + AC_CACHE_CHECK([where to find the exponent in a 'double'], + [gl_cv_cc_double_expbit0], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <float.h> +#include <stddef.h> +#include <stdio.h> +#include <string.h> +#define NWORDS \ + ((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) +typedef union { double value; unsigned int word[NWORDS]; } memory_double; +static unsigned int ored_words[NWORDS]; +static unsigned int anded_words[NWORDS]; +static void add_to_ored_words (double x) +{ + memory_double m; + size_t i; + /* Clear it first, in case sizeof (double) < sizeof (memory_double). */ + memset (&m, 0, sizeof (memory_double)); + m.value = x; + for (i = 0; i < NWORDS; i++) + { + ored_words[i] |= m.word[i]; + anded_words[i] &= m.word[i]; + } +} +int main () +{ + size_t j; + FILE *fp = fopen ("conftest.out", "w"); + if (fp == NULL) + return 1; + for (j = 0; j < NWORDS; j++) + anded_words[j] = ~ (unsigned int) 0; + add_to_ored_words (0.25); + add_to_ored_words (0.5); + add_to_ored_words (1.0); + add_to_ored_words (2.0); + add_to_ored_words (4.0); + /* Remove bits that are common (e.g. if representation of the first mantissa + bit is explicit). */ + for (j = 0; j < NWORDS; j++) + ored_words[j] &= ~anded_words[j]; + /* Now find the nonzero word. */ + for (j = 0; j < NWORDS; j++) + if (ored_words[j] != 0) + break; + if (j < NWORDS) + { + size_t i; + for (i = j + 1; i < NWORDS; i++) + if (ored_words[i] != 0) + { + fprintf (fp, "unknown"); + return (fclose (fp) != 0); + } + for (i = 0; ; i++) + if ((ored_words[j] >> i) & 1) + { + fprintf (fp, "word %d bit %d", (int) j, (int) i); + return (fclose (fp) != 0); + } + } + fprintf (fp, "unknown"); + return (fclose (fp) != 0); +} + ]])], + [gl_cv_cc_double_expbit0=`cat conftest.out`], + [gl_cv_cc_double_expbit0="unknown"], + [ + dnl On ARM, there are two 'double' floating-point formats, used by + dnl different sets of instructions: The older FPA instructions assume + dnl that they are stored in big-endian word order, while the words + dnl (like integer types) are stored in little-endian byte order. + dnl The newer VFP instructions assume little-endian order + dnl consistently. + AC_EGREP_CPP([mixed_endianness], [ +#if defined arm || defined __arm || defined __arm__ + mixed_endianness +#endif + ], + [gl_cv_cc_double_expbit0="unknown"], + [ + pushdef([AC_MSG_CHECKING],[:])dnl + pushdef([AC_MSG_RESULT],[:])dnl + pushdef([AC_MSG_RESULT_UNQUOTED],[:])dnl + AC_C_BIGENDIAN( + [gl_cv_cc_double_expbit0="word 0 bit 20"], + [gl_cv_cc_double_expbit0="word 1 bit 20"], + [gl_cv_cc_double_expbit0="unknown"]) + popdef([AC_MSG_RESULT_UNQUOTED])dnl + popdef([AC_MSG_RESULT])dnl + popdef([AC_MSG_CHECKING])dnl + ]) + ]) + rm -f conftest.out + ]) + case "$gl_cv_cc_double_expbit0" in + word*bit*) + word=`echo "$gl_cv_cc_double_expbit0" | sed -e 's/word //' -e 's/ bit.*//'` + bit=`echo "$gl_cv_cc_double_expbit0" | sed -e 's/word.*bit //'` + AC_DEFINE_UNQUOTED([DBL_EXPBIT0_WORD], [$word], + [Define as the word index where to find the exponent of 'double'.]) + AC_DEFINE_UNQUOTED([DBL_EXPBIT0_BIT], [$bit], + [Define as the bit index in the word where to find bit 0 of the exponent of 'double'.]) + ;; + esac +]) diff --git a/m4/exponentf.m4 b/m4/exponentf.m4 new file mode 100644 index 00000000..94d11679 --- /dev/null +++ b/m4/exponentf.m4 @@ -0,0 +1,92 @@ +# exponentf.m4 serial 2 +dnl Copyright (C) 2007-2008, 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +AC_DEFUN([gl_FLOAT_EXPONENT_LOCATION], +[ + AC_CACHE_CHECK([where to find the exponent in a 'float'], + [gl_cv_cc_float_expbit0], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <float.h> +#include <stddef.h> +#include <stdio.h> +#include <string.h> +#define NWORDS \ + ((sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) +typedef union { float value; unsigned int word[NWORDS]; } memory_float; +static unsigned int ored_words[NWORDS]; +static unsigned int anded_words[NWORDS]; +static void add_to_ored_words (float x) +{ + memory_float m; + size_t i; + /* Clear it first, in case + sizeof (float) < sizeof (memory_float). */ + memset (&m, 0, sizeof (memory_float)); + m.value = x; + for (i = 0; i < NWORDS; i++) + { + ored_words[i] |= m.word[i]; + anded_words[i] &= m.word[i]; + } +} +int main () +{ + size_t j; + FILE *fp = fopen ("conftest.out", "w"); + if (fp == NULL) + return 1; + for (j = 0; j < NWORDS; j++) + anded_words[j] = ~ (unsigned int) 0; + add_to_ored_words (0.25f); + add_to_ored_words (0.5f); + add_to_ored_words (1.0f); + add_to_ored_words (2.0f); + add_to_ored_words (4.0f); + /* Remove bits that are common (e.g. if representation of the first mantissa + bit is explicit). */ + for (j = 0; j < NWORDS; j++) + ored_words[j] &= ~anded_words[j]; + /* Now find the nonzero word. */ + for (j = 0; j < NWORDS; j++) + if (ored_words[j] != 0) + break; + if (j < NWORDS) + { + size_t i; + for (i = j + 1; i < NWORDS; i++) + if (ored_words[i] != 0) + { + fprintf (fp, "unknown"); + return (fclose (fp) != 0); + } + for (i = 0; ; i++) + if ((ored_words[j] >> i) & 1) + { + fprintf (fp, "word %d bit %d", (int) j, (int) i); + return (fclose (fp) != 0); + } + } + fprintf (fp, "unknown"); + return (fclose (fp) != 0); +} + ]])], + [gl_cv_cc_float_expbit0=`cat conftest.out`], + [gl_cv_cc_float_expbit0="unknown"], + [gl_cv_cc_float_expbit0="word 0 bit 23"]) + rm -f conftest.out + ]) + case "$gl_cv_cc_float_expbit0" in + word*bit*) + word=`echo "$gl_cv_cc_float_expbit0" | sed -e 's/word //' -e 's/ bit.*//'` + bit=`echo "$gl_cv_cc_float_expbit0" | sed -e 's/word.*bit //'` + AC_DEFINE_UNQUOTED([FLT_EXPBIT0_WORD], [$word], + [Define as the word index where to find the exponent of 'float'.]) + AC_DEFINE_UNQUOTED([FLT_EXPBIT0_BIT], [$bit], + [Define as the bit index in the word where to find bit 0 of the exponent of 'float'.]) + ;; + esac +]) diff --git a/m4/exponentl.m4 b/m4/exponentl.m4 new file mode 100644 index 00000000..a7cd13bc --- /dev/null +++ b/m4/exponentl.m4 @@ -0,0 +1,98 @@ +# exponentl.m4 serial 3 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +AC_DEFUN([gl_LONG_DOUBLE_EXPONENT_LOCATION], +[ + AC_REQUIRE([gl_BIGENDIAN]) + AC_CACHE_CHECK([where to find the exponent in a 'long double'], + [gl_cv_cc_long_double_expbit0], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <float.h> +#include <stddef.h> +#include <stdio.h> +#include <string.h> +#define NWORDS \ + ((sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) +typedef union { long double value; unsigned int word[NWORDS]; } + memory_long_double; +static unsigned int ored_words[NWORDS]; +static unsigned int anded_words[NWORDS]; +static void add_to_ored_words (long double x) +{ + memory_long_double m; + size_t i; + /* Clear it first, in case + sizeof (long double) < sizeof (memory_long_double). */ + memset (&m, 0, sizeof (memory_long_double)); + m.value = x; + for (i = 0; i < NWORDS; i++) + { + ored_words[i] |= m.word[i]; + anded_words[i] &= m.word[i]; + } +} +int main () +{ + size_t j; + FILE *fp = fopen ("conftest.out", "w"); + if (fp == NULL) + return 1; + for (j = 0; j < NWORDS; j++) + anded_words[j] = ~ (unsigned int) 0; + add_to_ored_words (0.25L); + add_to_ored_words (0.5L); + add_to_ored_words (1.0L); + add_to_ored_words (2.0L); + add_to_ored_words (4.0L); + /* Remove bits that are common (e.g. if representation of the first mantissa + bit is explicit). */ + for (j = 0; j < NWORDS; j++) + ored_words[j] &= ~anded_words[j]; + /* Now find the nonzero word. */ + for (j = 0; j < NWORDS; j++) + if (ored_words[j] != 0) + break; + if (j < NWORDS) + { + size_t i; + for (i = j + 1; i < NWORDS; i++) + if (ored_words[i] != 0) + { + fprintf (fp, "unknown"); + return (fclose (fp) != 0); + } + for (i = 0; ; i++) + if ((ored_words[j] >> i) & 1) + { + fprintf (fp, "word %d bit %d", (int) j, (int) i); + return (fclose (fp) != 0); + } + } + fprintf (fp, "unknown"); + return (fclose (fp) != 0); +} + ]])], + [gl_cv_cc_long_double_expbit0=`cat conftest.out`], + [gl_cv_cc_long_double_expbit0="unknown"], + [ + dnl When cross-compiling, we don't know. It depends on the + dnl ABI and compiler version. There are too many cases. + gl_cv_cc_long_double_expbit0="unknown" + ]) + rm -f conftest.out + ]) + case "$gl_cv_cc_long_double_expbit0" in + word*bit*) + word=`echo "$gl_cv_cc_long_double_expbit0" | sed -e 's/word //' -e 's/ bit.*//'` + bit=`echo "$gl_cv_cc_long_double_expbit0" | sed -e 's/word.*bit //'` + AC_DEFINE_UNQUOTED([LDBL_EXPBIT0_WORD], [$word], + [Define as the word index where to find the exponent of 'long double'.]) + AC_DEFINE_UNQUOTED([LDBL_EXPBIT0_BIT], [$bit], + [Define as the bit index in the word where to find bit 0 of the exponent of 'long double'.]) + ;; + esac +]) diff --git a/m4/extensions.m4 b/m4/extensions.m4 new file mode 100644 index 00000000..0bfaef6f --- /dev/null +++ b/m4/extensions.m4 @@ -0,0 +1,123 @@ +# serial 11 -*- Autoconf -*- +# Enable extensions on systems that normally disable them. + +# Copyright (C) 2003, 2006-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This definition of AC_USE_SYSTEM_EXTENSIONS is stolen from CVS +# Autoconf. Perhaps we can remove this once we can assume Autoconf +# 2.62 or later everywhere, but since CVS Autoconf mutates rapidly +# enough in this area it's likely we'll need to redefine +# AC_USE_SYSTEM_EXTENSIONS for quite some time. + +# If autoconf reports a warning +# warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS +# or warning: AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS +# the fix is +# 1) to ensure that AC_USE_SYSTEM_EXTENSIONS is never directly invoked +# but always AC_REQUIREd, +# 2) to ensure that for each occurrence of +# AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) +# or +# AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) +# the corresponding gnulib module description has 'extensions' among +# its dependencies. This will ensure that the gl_USE_SYSTEM_EXTENSIONS +# invocation occurs in gl_EARLY, not in gl_INIT. + +# AC_USE_SYSTEM_EXTENSIONS +# ------------------------ +# Enable extensions on systems that normally disable them, +# typically due to standards-conformance issues. +# Remember that #undef in AH_VERBATIM gets replaced with #define by +# AC_DEFINE. The goal here is to define all known feature-enabling +# macros, then, if reports of conflicts are made, disable macros that +# cause problems on some platforms (such as __EXTENSIONS__). +AC_DEFUN_ONCE([AC_USE_SYSTEM_EXTENSIONS], +[AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl +AC_BEFORE([$0], [AC_RUN_IFELSE])dnl + + AC_REQUIRE([AC_CANONICAL_HOST]) + + AC_CHECK_HEADER([minix/config.h], [MINIX=yes], [MINIX=]) + if test "$MINIX" = yes; then + AC_DEFINE([_POSIX_SOURCE], [1], + [Define to 1 if you need to in order for 'stat' and other + things to work.]) + AC_DEFINE([_POSIX_1_SOURCE], [2], + [Define to 2 if the system does not provide POSIX.1 features + except with this defined.]) + AC_DEFINE([_MINIX], [1], + [Define to 1 if on MINIX.]) + fi + + dnl HP-UX 11.11 defines mbstate_t only if _XOPEN_SOURCE is defined to 500, + dnl regardless of whether the flags -Ae or _D_HPUX_SOURCE=1 are already + dnl provided. + case "$host_os" in + hpux*) + AC_DEFINE([_XOPEN_SOURCE], [500], + [Define to 500 only on HP-UX.]) + ;; + esac + + AH_VERBATIM([__EXTENSIONS__], +[/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable general extensions on MacOS X. */ +#ifndef _DARWIN_C_SOURCE +# undef _DARWIN_C_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif +]) + AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__], + [ac_cv_safe_to_define___extensions__], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ +# define __EXTENSIONS__ 1 + ]AC_INCLUDES_DEFAULT])], + [ac_cv_safe_to_define___extensions__=yes], + [ac_cv_safe_to_define___extensions__=no])]) + test $ac_cv_safe_to_define___extensions__ = yes && + AC_DEFINE([__EXTENSIONS__]) + AC_DEFINE([_ALL_SOURCE]) + AC_DEFINE([_DARWIN_C_SOURCE]) + AC_DEFINE([_GNU_SOURCE]) + AC_DEFINE([_POSIX_PTHREAD_SEMANTICS]) + AC_DEFINE([_TANDEM_SOURCE]) +])# AC_USE_SYSTEM_EXTENSIONS + +# gl_USE_SYSTEM_EXTENSIONS +# ------------------------ +# Enable extensions on systems that normally disable them, +# typically due to standards-conformance issues. +AC_DEFUN_ONCE([gl_USE_SYSTEM_EXTENSIONS], +[ + dnl Require this macro before AC_USE_SYSTEM_EXTENSIONS. + dnl gnulib does not need it. But if it gets required by third-party macros + dnl after AC_USE_SYSTEM_EXTENSIONS is required, autoconf 2.62..2.63 emit a + dnl warning: "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS". + dnl Note: We can do this only for one of the macros AC_AIX, AC_GNU_SOURCE, + dnl AC_MINIX. If people still use AC_AIX or AC_MINIX, they are out of luck. + AC_REQUIRE([AC_GNU_SOURCE]) + + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) +]) diff --git a/m4/faccessat.m4 b/m4/faccessat.m4 new file mode 100644 index 00000000..274eeded --- /dev/null +++ b/m4/faccessat.m4 @@ -0,0 +1,28 @@ +# serial 5 +# See if we need to provide faccessat replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_FACCESSAT], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Persuade glibc <unistd.h> to declare faccessat(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS_ONCE([faccessat]) + if test $ac_cv_func_faccessat = no; then + HAVE_FACCESSAT=0 + fi +]) + +# Prerequisites of lib/faccessat.m4. +AC_DEFUN([gl_PREREQ_FACCESSAT], +[ + AC_CHECK_FUNCS_ONCE([access]) +]) diff --git a/m4/fatal-signal.m4 b/m4/fatal-signal.m4 new file mode 100644 index 00000000..9ca5aaf4 --- /dev/null +++ b/m4/fatal-signal.m4 @@ -0,0 +1,13 @@ +# fatal-signal.m4 serial 8 +dnl Copyright (C) 2003-2004, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FATAL_SIGNAL], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gt_TYPE_SIG_ATOMIC_T]) + AC_CHECK_HEADERS_ONCE([unistd.h]) + gl_PREREQ_SIG_HANDLER_H +]) diff --git a/m4/fchdir.m4 b/m4/fchdir.m4 new file mode 100644 index 00000000..8af494c5 --- /dev/null +++ b/m4/fchdir.m4 @@ -0,0 +1,61 @@ +# fchdir.m4 serial 21 +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FCHDIR], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_CHECK_DECLS_ONCE([fchdir]) + if test $ac_cv_have_decl_fchdir = no; then + HAVE_DECL_FCHDIR=0 + fi + + AC_REQUIRE([gl_TEST_FCHDIR]) + if test $HAVE_FCHDIR = 0; then + AC_LIBOBJ([fchdir]) + gl_PREREQ_FCHDIR + AC_DEFINE([REPLACE_FCHDIR], [1], + [Define to 1 if gnulib's fchdir() replacement is used.]) + dnl We must also replace anything that can manipulate a directory fd, + dnl to keep our bookkeeping up-to-date. We don't have to replace + dnl fstatat, since no platform has fstatat but lacks fchdir. + AC_CACHE_CHECK([whether open can visit directories], + [gl_cv_func_open_directory_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <fcntl.h> +]], [return open(".", O_RDONLY) < 0;])], + [gl_cv_func_open_directory_works=yes], + [gl_cv_func_open_directory_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_open_directory_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_open_directory_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_open_directory_works" in + *yes) ;; + *) + AC_DEFINE([REPLACE_OPEN_DIRECTORY], [1], [Define to 1 if open() should +work around the inability to open a directory.]) + ;; + esac + fi +]) + +# Determine whether to use the overrides in lib/fchdir.c. +AC_DEFUN([gl_TEST_FCHDIR], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([fchdir]) + if test $ac_cv_func_fchdir = no; then + HAVE_FCHDIR=0 + fi +]) + +# Prerequisites of lib/fchdir.c. +AC_DEFUN([gl_PREREQ_FCHDIR], [:]) diff --git a/m4/fchmodat.m4 b/m4/fchmodat.m4 new file mode 100644 index 00000000..e95d9689 --- /dev/null +++ b/m4/fchmodat.m4 @@ -0,0 +1,17 @@ +# fchmodat.m4 serial 1 +dnl Copyright (C) 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +AC_DEFUN([gl_FUNC_FCHMODAT], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([fchmodat lchmod]) + if test $ac_cv_func_fchmodat != yes; then + HAVE_FCHMODAT=0 + fi +]) diff --git a/m4/fchownat.m4 b/m4/fchownat.m4 new file mode 100644 index 00000000..02b88269 --- /dev/null +++ b/m4/fchownat.m4 @@ -0,0 +1,108 @@ +# fchownat.m4 serial 1 +dnl Copyright (C) 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +# If we have the fchownat function, and it has the bug (in glibc-2.4) +# that it dereferences symlinks even with AT_SYMLINK_NOFOLLOW, then +# use the replacement function. +# Also if the fchownat function, like chown, has the trailing slash bug, +# use the replacement function. +# Also use the replacement function if fchownat is simply not available. +AC_DEFUN([gl_FUNC_FCHOWNAT], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_FUNC_CHOWN]) + AC_CHECK_FUNC([fchownat], + [gl_FUNC_FCHOWNAT_DEREF_BUG( + [REPLACE_FCHOWNAT=1 + AC_DEFINE([FCHOWNAT_NOFOLLOW_BUG], [1], + [Define to 1 if your platform has fchownat, but it cannot + perform lchown tasks.]) + ]) + gl_FUNC_FCHOWNAT_EMPTY_FILENAME_BUG( + [REPLACE_FCHOWNAT=1 + AC_DEFINE([FCHOWNAT_EMPTY_FILENAME_BUG], [1], + [Define to 1 if your platform has fchownat, but it does + not reject an empty file name.]) + ]) + if test $REPLACE_CHOWN = 1; then + REPLACE_FCHOWNAT=1 + fi], + [HAVE_FCHOWNAT=0]) +]) + +# gl_FUNC_FCHOWNAT_DEREF_BUG([ACTION-IF-BUGGY[, ACTION-IF-NOT_BUGGY]]) +AC_DEFUN([gl_FUNC_FCHOWNAT_DEREF_BUG], +[ + dnl Persuade glibc's <unistd.h> to declare fchownat(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CACHE_CHECK([whether fchownat works with AT_SYMLINK_NOFOLLOW], + gl_cv_func_fchownat_nofollow_works, + [ + gl_dangle=conftest.dangle + # Remove any remnants of a previous test. + rm -f $gl_dangle + # Arrange for deletion of the temporary file this test creates. + ac_clean_files="$ac_clean_files $gl_dangle" + ln -s conftest.no-such $gl_dangle + AC_RUN_IFELSE( + [AC_LANG_SOURCE( + [[ +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> +#include <sys/types.h> +int +main () +{ + return (fchownat (AT_FDCWD, "$gl_dangle", -1, getgid (), + AT_SYMLINK_NOFOLLOW) != 0 + && errno == ENOENT); +} + ]])], + [gl_cv_func_fchownat_nofollow_works=yes], + [gl_cv_func_fchownat_nofollow_works=no], + [gl_cv_func_fchownat_nofollow_works=no], + ) + ]) + AS_IF([test $gl_cv_func_fchownat_nofollow_works = no], [$1], [$2]) +]) + +# gl_FUNC_FCHOWNAT_EMPTY_FILENAME_BUG([ACTION-IF-BUGGY[, ACTION-IF-NOT_BUGGY]]) +AC_DEFUN([gl_FUNC_FCHOWNAT_EMPTY_FILENAME_BUG], +[ + dnl Persuade glibc's <unistd.h> to declare fchownat(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CACHE_CHECK([whether fchownat works with an empty file name], + [gl_cv_func_fchownat_empty_filename_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h> + #include <fcntl.h> + ]], + [[int fd; + int ret; + if (mkdir ("conftestdir", 0700) < 0) + return 2; + fd = open ("conftestdir", O_RDONLY); + if (fd < 0) + return 3; + ret = fchownat (fd, "", -1, -1, 0); + close (fd); + rmdir ("conftestdir"); + return ret == 0; + ]])], + [gl_cv_func_fchownat_empty_filename_works=yes], + [gl_cv_func_fchownat_empty_filename_works=no], + [gl_cv_func_fchownat_empty_filename_works="guessing no"]) + ]) + AS_IF([test "$gl_cv_func_fchownat_empty_filename_works" != yes], [$1], [$2]) +]) diff --git a/m4/fclose.m4 b/m4/fclose.m4 new file mode 100644 index 00000000..daad94fb --- /dev/null +++ b/m4/fclose.m4 @@ -0,0 +1,20 @@ +# fclose.m4 serial 5 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FCLOSE], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + + gl_FUNC_FFLUSH_STDIN + if test $gl_cv_func_fflush_stdin = no; then + REPLACE_FCLOSE=1 + fi + + AC_REQUIRE([gl_FUNC_CLOSE]) + if test $REPLACE_CLOSE = 1; then + REPLACE_FCLOSE=1 + fi +]) diff --git a/m4/fcntl-o.m4 b/m4/fcntl-o.m4 new file mode 100644 index 00000000..9862741f --- /dev/null +++ b/m4/fcntl-o.m4 @@ -0,0 +1,123 @@ +# fcntl-o.m4 serial 4 +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +# Test whether the flags O_NOATIME and O_NOFOLLOW actually work. +# Define HAVE_WORKING_O_NOATIME to 1 if O_NOATIME works, or to 0 otherwise. +# Define HAVE_WORKING_O_NOFOLLOW to 1 if O_NOFOLLOW works, or to 0 otherwise. +AC_DEFUN([gl_FCNTL_O_FLAGS], +[ + dnl Persuade glibc <fcntl.h> to define O_NOATIME and O_NOFOLLOW. + dnl AC_USE_SYSTEM_EXTENSIONS was introduced in autoconf 2.60 and obsoletes + dnl AC_GNU_SOURCE. + m4_ifdef([AC_USE_SYSTEM_EXTENSIONS], + [AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])], + [AC_REQUIRE([AC_GNU_SOURCE])]) + + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CHECK_FUNCS_ONCE([symlink]) + AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + #include <sys/stat.h> + #if HAVE_UNISTD_H + # include <unistd.h> + #else /* on Windows with MSVC */ + # include <io.h> + # include <stdlib.h> + # defined sleep(n) _sleep ((n) * 1000) + #endif + #include <fcntl.h> + #ifndef O_NOATIME + #define O_NOATIME 0 + #endif + #ifndef O_NOFOLLOW + #define O_NOFOLLOW 0 + #endif + static int const constants[] = + { + O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC, O_APPEND, + O_NONBLOCK, O_SYNC, O_ACCMODE, O_RDONLY, O_RDWR, O_WRONLY + }; + ]], + [[ + int result = !constants; + #if HAVE_SYMLINK + { + static char const sym[] = "conftest.sym"; + if (symlink (".", sym) != 0) + result |= 2; + else + { + int fd = open (sym, O_RDONLY | O_NOFOLLOW); + if (fd >= 0) + { + close (fd); + result |= 4; + } + } + unlink (sym); + } + #endif + { + static char const file[] = "confdefs.h"; + int fd = open (file, O_RDONLY | O_NOATIME); + if (fd < 0) + result |= 8; + else + { + struct stat st0; + if (fstat (fd, &st0) != 0) + result |= 16; + else + { + char c; + sleep (1); + if (read (fd, &c, 1) != 1) + result |= 24; + else + { + if (close (fd) != 0) + result |= 32; + else + { + struct stat st1; + if (stat (file, &st1) != 0) + result |= 40; + else + if (st0.st_atime != st1.st_atime) + result |= 64; + } + } + } + } + } + return result;]])], + [gl_cv_header_working_fcntl_h=yes], + [case $? in #( + 4) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #( + 64) gl_cv_header_working_fcntl_h='no (bad O_NOATIME)';; #( + 68) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #( + *) gl_cv_header_working_fcntl_h='no';; + esac], + [gl_cv_header_working_fcntl_h=cross-compiling])]) + + case $gl_cv_header_working_fcntl_h in #( + *O_NOATIME* | no | cross-compiling) ac_val=0;; #( + *) ac_val=1;; + esac + AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOATIME], [$ac_val], + [Define to 1 if O_NOATIME works.]) + + case $gl_cv_header_working_fcntl_h in #( + *O_NOFOLLOW* | no | cross-compiling) ac_val=0;; #( + *) ac_val=1;; + esac + AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOFOLLOW], [$ac_val], + [Define to 1 if O_NOFOLLOW works.]) +]) diff --git a/m4/fcntl-safer.m4 b/m4/fcntl-safer.m4 new file mode 100644 index 00000000..c8cf480c --- /dev/null +++ b/m4/fcntl-safer.m4 @@ -0,0 +1,16 @@ +#serial 9 +dnl Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FCNTL_SAFER], +[ + dnl Prerequisites of lib/open-safer.c. + AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T]) +]) + +AC_DEFUN([gl_OPENAT_SAFER], +[ + AC_REQUIRE([gl_FCNTL_SAFER]) +]) diff --git a/m4/fcntl.m4 b/m4/fcntl.m4 new file mode 100644 index 00000000..0631bd6f --- /dev/null +++ b/m4/fcntl.m4 @@ -0,0 +1,95 @@ +# fcntl.m4 serial 5 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# For now, this module ensures that fcntl() +# - supports F_DUPFD correctly +# - supports or emulates F_DUPFD_CLOEXEC +# - supports F_GETFD +# Still to be ported to mingw: +# - F_SETFD +# - F_GETFL, F_SETFL +# - F_GETOWN, F_SETOWN +# - F_GETLK, F_SETLK, F_SETLKW +AC_DEFUN([gl_FUNC_FCNTL], +[ + dnl Persuade glibc to expose F_DUPFD_CLOEXEC. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CHECK_FUNCS_ONCE([fcntl]) + if test $ac_cv_func_fcntl = no; then + gl_REPLACE_FCNTL + else + dnl cygwin 1.5.x F_DUPFD has wrong errno, and allows negative target + dnl haiku alpha 2 F_DUPFD has wrong errno + AC_CACHE_CHECK([whether fcntl handles F_DUPFD correctly], + [gl_cv_func_fcntl_f_dupfd_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <fcntl.h> +#include <errno.h> +]], [[int result = 0; + if (fcntl (0, F_DUPFD, -1) != -1) result |= 1; + if (errno != EINVAL) result |= 2; + return result; + ]])], + [gl_cv_func_fcntl_f_dupfd_works=yes], + [gl_cv_func_fcntl_f_dupfd_works=no], + [# Guess that it works on glibc systems + case $host_os in #(( + *-gnu*) gl_cv_func_fcntl_f_dupfd_works="guessing yes";; + *) gl_cv_func_fcntl_f_dupfd_works="guessing no";; + esac])]) + case $gl_cv_func_fcntl_f_dupfd_works in + *yes) ;; + *) gl_REPLACE_FCNTL + AC_DEFINE([FCNTL_DUPFD_BUGGY], [1], [Define this to 1 if F_DUPFD + behavior does not match POSIX]) ;; + esac + + dnl Many systems lack F_DUPFD_CLOEXEC + AC_CACHE_CHECK([whether fcntl understands F_DUPFD_CLOEXEC], + [gl_cv_func_fcntl_f_dupfd_cloexec], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <fcntl.h> +#ifndef F_DUPFD_CLOEXEC +choke me +#endif + ]])], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#ifdef __linux__ +/* The Linux kernel only added F_DUPFD_CLOEXEC in 2.6.24, so we always replace + it to support the semantics on older kernels that failed with EINVAL. */ +choke me +#endif + ]])], + [gl_cv_func_fcntl_f_dupfd_cloexec=yes], + [gl_cv_func_fcntl_f_dupfd_cloexec="needs runtime check"])], + [gl_cv_func_fcntl_f_dupfd_cloexec=no])]) + if test "$gl_cv_func_fcntl_f_dupfd_cloexec" != yes; then + gl_REPLACE_FCNTL + dnl No witness macro needed for this bug. + fi + fi + dnl Replace fcntl() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + gl_REPLACE_FCNTL + fi + ]) +]) + +AC_DEFUN([gl_REPLACE_FCNTL], +[ + AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([fcntl]) + if test $ac_cv_func_fcntl = no; then + HAVE_FCNTL=0 + else + REPLACE_FCNTL=1 + fi +]) diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4 new file mode 100644 index 00000000..cac28aeb --- /dev/null +++ b/m4/fcntl_h.m4 @@ -0,0 +1,50 @@ +# serial 15 +# Configure fcntl.h. +dnl Copyright (C) 2006-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_FCNTL_H], +[ + AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) + AC_REQUIRE([gl_FCNTL_O_FLAGS]) + gl_NEXT_HEADERS([fcntl.h]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Ensure the type mode_t gets defined. + AC_REQUIRE([AC_TYPE_MODE_T]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, if it is not common + dnl enough to be declared everywhere. + gl_WARN_ON_USE_PREPARE([[#include <fcntl.h> + ]], [fcntl openat]) +]) + +AC_DEFUN([gl_FCNTL_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_FCNTL_H_DEFAULTS], +[ + GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL]) + GNULIB_NONBLOCKING=0; AC_SUBST([GNULIB_NONBLOCKING]) + GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN]) + GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL]) + HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT]) + REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL]) + REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) + REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT]) +]) diff --git a/m4/fd-reopen.m4 b/m4/fd-reopen.m4 new file mode 100644 index 00000000..ae7390c8 --- /dev/null +++ b/m4/fd-reopen.m4 @@ -0,0 +1,15 @@ +# Invoke open, but return either a desired file descriptor or -1. + +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_FD_REOPEN], +[ + AC_LIBSOURCES([fd-reopen.c, fd-reopen.h]) + AC_LIBOBJ([fd-reopen]) +]) diff --git a/m4/fdatasync.m4 b/m4/fdatasync.m4 new file mode 100644 index 00000000..e7908451 --- /dev/null +++ b/m4/fdatasync.m4 @@ -0,0 +1,32 @@ +# fdatasync.m4 serial 3 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FDATASYNC], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Using AC_CHECK_FUNCS_ONCE would break our subsequent AC_SEARCH_LIBS + AC_CHECK_DECLS_ONCE([fdatasync]) + LIB_FDATASYNC= + AC_SUBST([LIB_FDATASYNC]) + + if test $ac_cv_have_decl_fdatasync = no; then + HAVE_DECL_FDATASYNC=0 + dnl MacOS X 10.7 has fdatasync but does not declare it. + AC_CHECK_FUNCS([fdatasync]) + if test $ac_cv_func_fdatasync = no; then + HAVE_FDATASYNC=0 + fi + else + dnl Solaris <= 2.6 has fdatasync() in libposix4. + dnl Solaris 7..10 has it in librt. + gl_saved_libs=$LIBS + AC_SEARCH_LIBS([fdatasync], [rt posix4], + [test "$ac_cv_search_fdatasync" = "none required" || + LIB_FDATASYNC=$ac_cv_search_fdatasync]) + LIBS=$gl_saved_libs + fi +]) diff --git a/m4/fdopen.m4 b/m4/fdopen.m4 new file mode 100644 index 00000000..9ca9d2ac --- /dev/null +++ b/m4/fdopen.m4 @@ -0,0 +1,49 @@ +# fdopen.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FDOPEN], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_FDOPEN=1 + else + dnl Test whether fdopen() sets errno when it fails due to a bad fd argument. + AC_CACHE_CHECK([whether fdopen sets errno], [gl_cv_func_fdopen_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <errno.h> +int +main (void) +{ + FILE *fp; + errno = 0; + fp = fdopen (-1, "r"); + if (fp != NULL) + return 1; + if (errno == 0) + return 2; + return 0; +}]])], + [gl_cv_func_fdopen_works=yes], + [gl_cv_func_fdopen_works=no], + [case "$host_os" in + mingw*) gl_cv_func_fdopen_works="guessing no" ;; + *) gl_cv_func_fdopen_works="guessing yes" ;; + esac + ]) + ]) + case "$gl_cv_func_fdopen_works" in + *no) REPLACE_FDOPEN=1 ;; + esac + fi +]) + +dnl Prerequisites of lib/fdopen.c. +AC_DEFUN([gl_PREREQ_FDOPEN], []) diff --git a/m4/fdopendir.m4 b/m4/fdopendir.m4 new file mode 100644 index 00000000..f4db17ba --- /dev/null +++ b/m4/fdopendir.m4 @@ -0,0 +1,61 @@ +# serial 10 +# See if we need to provide fdopendir. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_FDOPENDIR], +[ + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl FreeBSD 7.3 has the function, but failed to declare it. + AC_CHECK_DECLS([fdopendir], [], [HAVE_DECL_FDOPENDIR=0], [[ +#include <dirent.h> + ]]) + AC_CHECK_FUNCS_ONCE([fdopendir]) + if test $ac_cv_func_fdopendir = no; then + HAVE_FDOPENDIR=0 + else + AC_CACHE_CHECK([whether fdopendir works], + [gl_cv_func_fdopendir_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <dirent.h> +#include <fcntl.h> +#include <unistd.h> +#if !HAVE_DECL_FDOPENDIR +extern +# ifdef __cplusplus +"C" +# endif +DIR *fdopendir (int); +#endif +]], [int result = 0; + int fd = open ("conftest.c", O_RDONLY); + if (fd < 0) result |= 1; + if (fdopendir (fd)) result |= 2; + if (close (fd)) result |= 4; + return result;])], + [gl_cv_func_fdopendir_works=yes], + [gl_cv_func_fdopendir_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_fdopendir_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_fdopendir_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_fdopendir_works" in + *yes) ;; + *) + REPLACE_FDOPENDIR=1 + ;; + esac + fi +]) diff --git a/m4/fflush.m4 b/m4/fflush.m4 new file mode 100644 index 00000000..13455d18 --- /dev/null +++ b/m4/fflush.m4 @@ -0,0 +1,86 @@ +# fflush.m4 serial 13 + +# Copyright (C) 2007-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Eric Blake + +dnl Find out how to obey POSIX semantics of fflush(stdin) discarding +dnl unread input on seekable streams, rather than C99 undefined semantics. + +AC_DEFUN([gl_FUNC_FFLUSH], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + gl_FUNC_FFLUSH_STDIN + if test $gl_cv_func_fflush_stdin = no; then + REPLACE_FFLUSH=1 + fi +]) + +dnl Determine whether fflush works on input streams. +dnl Sets gl_cv_func_fflush_stdin. + +AC_DEFUN([gl_FUNC_FFLUSH_STDIN], +[ + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CACHE_CHECK([whether fflush works on input streams], + [gl_cv_func_fflush_stdin], + [echo hello world > conftest.txt + AC_RUN_IFELSE([AC_LANG_PROGRAM( + [[ +#include <stdio.h> +#if HAVE_UNISTD_H +# include <unistd.h> +#else /* on Windows with MSVC */ +# include <io.h> +#endif + ]], [[FILE *f = fopen ("conftest.txt", "r"); + char buffer[10]; + int fd; + int c; + if (f == NULL) + return 1; + fd = fileno (f); + if (fd < 0 || fread (buffer, 1, 5, f) != 5) + return 2; + /* For deterministic results, ensure f read a bigger buffer. */ + if (lseek (fd, 0, SEEK_CUR) == 5) + return 3; + /* POSIX requires fflush-fseek to set file offset of fd. This fails + on BSD systems and on mingw. */ + if (fflush (f) != 0 || fseek (f, 0, SEEK_CUR) != 0) + return 4; + if (lseek (fd, 0, SEEK_CUR) != 5) + return 5; + /* Verify behaviour of fflush after ungetc. See + <http://www.opengroup.org/austin/aardvark/latest/xshbug3.txt> */ + /* Verify behaviour of fflush after a backup ungetc. This fails on + mingw. */ + c = fgetc (f); + ungetc (c, f); + fflush (f); + if (fgetc (f) != c) + return 6; + /* Verify behaviour of fflush after a non-backup ungetc. This fails + on glibc 2.8 and on BSD systems. */ + c = fgetc (f); + ungetc ('@', f); + fflush (f); + if (fgetc (f) != c) + return 7; + return 0; + ]])], [gl_cv_func_fflush_stdin=yes], [gl_cv_func_fflush_stdin=no], + [dnl Pessimistically assume fflush is broken. + gl_cv_func_fflush_stdin=no]) + rm conftest.txt + ]) +]) + +# Prerequisites of lib/fflush.c. +AC_DEFUN([gl_PREREQ_FFLUSH], +[ + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/m4/fileblocks.m4 b/m4/fileblocks.m4 new file mode 100644 index 00000000..6cff3476 --- /dev/null +++ b/m4/fileblocks.m4 @@ -0,0 +1,23 @@ +# fileblocks.m4 serial 6 +dnl Copyright (C) 2002, 2005-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FILEBLOCKS], +[ + m4_pushdef([AC_LIBOBJ], [:]) + dnl Note: AC_STRUCT_ST_BLOCKS does AC_LIBOBJ([fileblocks]). + AC_STRUCT_ST_BLOCKS + m4_popdef([AC_LIBOBJ]) + dnl The stat-size module depends on this one and also assumes that + dnl HAVE_STRUCT_STAT_ST_BLOCKS is correctly defined. So if you + dnl remove the call above, please make sure that this does not + dnl introduce a bug into lib/stat-size.h. +]) + +# Prerequisites of lib/fileblocks.c. +AC_DEFUN([gl_PREREQ_FILEBLOCKS], [ + AC_CHECK_HEADERS_ONCE([sys/param.h]) + : +]) diff --git a/m4/filemode.m4 b/m4/filemode.m4 new file mode 100644 index 00000000..1aa6cdd5 --- /dev/null +++ b/m4/filemode.m4 @@ -0,0 +1,11 @@ +# filemode.m4 serial 8 +dnl Copyright (C) 2002, 2005-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FILEMODE], +[ + AC_REQUIRE([AC_STRUCT_ST_DM_MODE]) + AC_CHECK_DECLS_ONCE([strmode]) +]) diff --git a/m4/filenamecat.m4 b/m4/filenamecat.m4 new file mode 100644 index 00000000..b552f12e --- /dev/null +++ b/m4/filenamecat.m4 @@ -0,0 +1,16 @@ +# filenamecat.m4 serial 11 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FILE_NAME_CONCAT], +[ + AC_REQUIRE([gl_FILE_NAME_CONCAT_LGPL]) +]) + +AC_DEFUN([gl_FILE_NAME_CONCAT_LGPL], +[ + dnl Prerequisites of lib/filenamecat-lgpl.c. + AC_CHECK_FUNCS_ONCE([mempcpy]) +]) diff --git a/m4/flexmember.m4 b/m4/flexmember.m4 new file mode 100644 index 00000000..7103b6be --- /dev/null +++ b/m4/flexmember.m4 @@ -0,0 +1,41 @@ +# serial 3 +# Check for flexible array member support. + +# Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. + +AC_DEFUN([AC_C_FLEXIBLE_ARRAY_MEMBER], +[ + AC_CACHE_CHECK([for flexible array member], + ac_cv_c_flexmember, + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdlib.h> + #include <stdio.h> + #include <stddef.h> + struct s { int n; double d[]; };]], + [[int m = getchar (); + struct s *p = malloc (offsetof (struct s, d) + + m * sizeof (double)); + p->d[0] = 0.0; + return p->d != (double *) NULL;]])], + [ac_cv_c_flexmember=yes], + [ac_cv_c_flexmember=no])]) + if test $ac_cv_c_flexmember = yes; then + AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [], + [Define to nothing if C supports flexible array members, and to + 1 if it does not. That way, with a declaration like 'struct s + { int n; double d@<:@FLEXIBLE_ARRAY_MEMBER@:>@; };', the struct hack + can be used with pre-C99 compilers. + When computing the size of such an object, don't use 'sizeof (struct s)' + as it overestimates the size. Use 'offsetof (struct s, d)' instead. + Don't use 'offsetof (struct s, d@<:@0@:>@)', as this doesn't work with + MSVC and with C++ compilers.]) + else + AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1]) + fi +]) diff --git a/m4/float_h.m4 b/m4/float_h.m4 new file mode 100644 index 00000000..51c9c7b3 --- /dev/null +++ b/m4/float_h.m4 @@ -0,0 +1,98 @@ +# float_h.m4 serial 9 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FLOAT_H], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + FLOAT_H= + REPLACE_FLOAT_LDBL=0 + case "$host_os" in + aix* | beos* | openbsd* | mirbsd* | irix*) + FLOAT_H=float.h + ;; + freebsd*) + case "$host_cpu" in +changequote(,)dnl + i[34567]86 ) +changequote([,])dnl + FLOAT_H=float.h + ;; + x86_64 ) + # On x86_64 systems, the C compiler may still be generating + # 32-bit code. + AC_EGREP_CPP([yes], + [#if defined __LP64__ || defined __x86_64__ || defined __amd64__ + yes + #endif], + [], + [FLOAT_H=float.h]) + ;; + esac + ;; + linux*) + case "$host_cpu" in + powerpc*) + FLOAT_H=float.h + ;; + esac + ;; + esac + case "$host_os" in + aix* | freebsd* | linux*) + if test -n "$FLOAT_H"; then + REPLACE_FLOAT_LDBL=1 + fi + ;; + esac + + dnl Test against glibc-2.7 Linux/SPARC64 bug. + REPLACE_ITOLD=0 + AC_CACHE_CHECK([whether conversion from 'int' to 'long double' works], + [gl_cv_func_itold_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +int i = -1; +volatile long double ld; +int main () +{ + ld += i * 1.0L; + if (ld > 0) + return 1; + return 0; +}]])], + [gl_cv_func_itold_works=yes], + [gl_cv_func_itold_works=no], + [case "$host" in + sparc*-*-linux*) + AC_EGREP_CPP([yes], + [#if defined __LP64__ || defined __arch64__ + yes + #endif], + [gl_cv_func_itold_works="guessing no"], + [gl_cv_func_itold_works="guessing yes"]) + ;; + *) gl_cv_func_itold_works="guessing yes" ;; + esac + ]) + ]) + case "$gl_cv_func_itold_works" in + *no) + REPLACE_ITOLD=1 + dnl We add the workaround to <float.h> but also to <math.h>, + dnl to increase the chances that the fix function gets pulled in. + FLOAT_H=float.h + ;; + esac + + if test -n "$FLOAT_H"; then + gl_NEXT_HEADERS([float.h]) + fi + AC_SUBST([FLOAT_H]) + AM_CONDITIONAL([GL_GENERATE_FLOAT_H], [test -n "$FLOAT_H"]) + AC_SUBST([REPLACE_ITOLD]) +]) diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4 new file mode 100644 index 00000000..e46b6e52 --- /dev/null +++ b/m4/fnmatch.m4 @@ -0,0 +1,156 @@ +# Check for fnmatch - serial 9. + +# Copyright (C) 2000-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Autoconf defines AC_FUNC_FNMATCH, but that is obsolescent. +# New applications should use the macros below instead. + +# Request a POSIX compliant fnmatch function. +AC_DEFUN([gl_FUNC_FNMATCH_POSIX], +[ + m4_divert_text([DEFAULTS], [gl_fnmatch_required=POSIX]) + + dnl Persuade glibc <fnmatch.h> to declare FNM_CASEFOLD etc. + dnl This is only needed if gl_fnmatch_required = GNU. It would be possible + dnl to avoid this dependency for gl_FUNC_FNMATCH_POSIX by putting + dnl gl_FUNC_FNMATCH_GNU into a separate .m4 file. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + FNMATCH_H= + gl_fnmatch_required_lowercase=` + echo $gl_fnmatch_required | LC_ALL=C tr '[[A-Z]]' '[[a-z]]' + ` + gl_fnmatch_cache_var="gl_cv_func_fnmatch_${gl_fnmatch_required_lowercase}" + AC_CACHE_CHECK([for working $gl_fnmatch_required fnmatch], + [$gl_fnmatch_cache_var], + [dnl Some versions of Solaris, SCO, and the GNU C Library + dnl have a broken or incompatible fnmatch. + dnl So we run a test program. If we are cross-compiling, take no chance. + dnl Thanks to John Oleynick, François Pinard, and Paul Eggert for this + dnl test. + if test $gl_fnmatch_required = GNU; then + gl_fnmatch_gnu_start= + gl_fnmatch_gnu_end= + else + gl_fnmatch_gnu_start='#if 0' + gl_fnmatch_gnu_end='#endif' + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <fnmatch.h> + static int + y (char const *pattern, char const *string, int flags) + { + return fnmatch (pattern, string, flags) == 0; + } + static int + n (char const *pattern, char const *string, int flags) + { + return fnmatch (pattern, string, flags) == FNM_NOMATCH; + } + ]], + [[char const *Apat = 'A' < '\\\\' ? "[A-\\\\\\\\]" : "[\\\\\\\\-A]"; + char const *apat = 'a' < '\\\\' ? "[a-\\\\\\\\]" : "[\\\\\\\\-a]"; + static char const A_1[] = { 'A' - 1, 0 }; + static char const A01[] = { 'A' + 1, 0 }; + static char const a_1[] = { 'a' - 1, 0 }; + static char const a01[] = { 'a' + 1, 0 }; + static char const bs_1[] = { '\\\\' - 1, 0 }; + static char const bs01[] = { '\\\\' + 1, 0 }; + int result = 0; + if (!n ("a*", "", 0)) + return 1; + if (!y ("a*", "abc", 0)) + return 1; + if (!y ("[/b", "[/b", 0)) /*"]]"*/ /* glibc Bugzilla bug 12378 */ + return 1; + if (!n ("d*/*1", "d/s/1", FNM_PATHNAME)) + return 2; + if (!y ("a\\\\bc", "abc", 0)) + return 3; + if (!n ("a\\\\bc", "abc", FNM_NOESCAPE)) + return 3; + if (!y ("*x", ".x", 0)) + return 4; + if (!n ("*x", ".x", FNM_PERIOD)) + return 4; + if (!y (Apat, "\\\\", 0)) + return 5; + if (!y (Apat, "A", 0)) + return 5; + if (!y (apat, "\\\\", 0)) + return 5; + if (!y (apat, "a", 0)) + return 5; + if (!(n (Apat, A_1, 0) == ('A' < '\\\\'))) + return 5; + if (!(n (apat, a_1, 0) == ('a' < '\\\\'))) + return 5; + if (!(y (Apat, A01, 0) == ('A' < '\\\\'))) + return 5; + if (!(y (apat, a01, 0) == ('a' < '\\\\'))) + return 5; + if (!(y (Apat, bs_1, 0) == ('A' < '\\\\'))) + return 5; + if (!(y (apat, bs_1, 0) == ('a' < '\\\\'))) + return 5; + if (!(n (Apat, bs01, 0) == ('A' < '\\\\'))) + return 5; + if (!(n (apat, bs01, 0) == ('a' < '\\\\'))) + return 5; + $gl_fnmatch_gnu_start + if (!y ("xxXX", "xXxX", FNM_CASEFOLD)) + result |= 8; + if (!y ("a++(x|yy)b", "a+xyyyyxb", FNM_EXTMATCH)) + result |= 16; + if (!n ("d*/*1", "d/s/1", FNM_FILE_NAME)) + result |= 32; + if (!y ("*", "x", FNM_FILE_NAME | FNM_LEADING_DIR)) + result |= 64; + if (!y ("x*", "x/y/z", FNM_FILE_NAME | FNM_LEADING_DIR)) + result |= 64; + if (!y ("*c*", "c/x", FNM_FILE_NAME | FNM_LEADING_DIR)) + result |= 64; + $gl_fnmatch_gnu_end + return result; + ]])], + [eval "$gl_fnmatch_cache_var=yes"], + [eval "$gl_fnmatch_cache_var=no"], + [eval "$gl_fnmatch_cache_var=\"guessing no\""]) + ]) + eval "gl_fnmatch_result=\"\$$gl_fnmatch_cache_var\"" + if test "$gl_fnmatch_result" = yes; then + dnl Not strictly necessary. Only to avoid spurious leftover files if people + dnl don't do "make distclean". + rm -f "$gl_source_base/fnmatch.h" + else + FNMATCH_H=fnmatch.h + fi + AC_SUBST([FNMATCH_H]) + AM_CONDITIONAL([GL_GENERATE_FNMATCH_H], [test -n "$FNMATCH_H"]) +]) + +# Request a POSIX compliant fnmatch function with GNU extensions. +AC_DEFUN([gl_FUNC_FNMATCH_GNU], +[ + m4_divert_text([INIT_PREPARE], [gl_fnmatch_required=GNU]) + + AC_REQUIRE([gl_FUNC_FNMATCH_POSIX]) +]) + +AC_DEFUN([gl_PREREQ_FNMATCH], +[ + dnl We must choose a different name for our function, since on ELF systems + dnl a broken fnmatch() in libc.so would override our fnmatch() if it is + dnl compiled into a shared library. + AC_DEFINE_UNQUOTED([fnmatch], [${gl_fnmatch_required_lowercase}_fnmatch], + [Define to a replacement function name for fnmatch().]) + dnl Prerequisites of lib/fnmatch.c. + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]]) + AC_CHECK_FUNCS_ONCE([btowc isblank iswctype mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy]) + AC_CHECK_HEADERS_ONCE([wctype.h]) +]) diff --git a/m4/fopen.m4 b/m4/fopen.m4 new file mode 100644 index 00000000..a1cb1848 --- /dev/null +++ b/m4/fopen.m4 @@ -0,0 +1,61 @@ +# fopen.m4 serial 8 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FOPEN], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + mingw* | pw*) + dnl Replace fopen, for handling of "/dev/null". + REPLACE_FOPEN=1 + dnl fopen on mingw also has the trailing slash bug. + gl_cv_func_fopen_slash="guessing no" + ;; + *) + dnl fopen("foo/", "w") should not create a file when the file name has a + dnl trailing slash. + AC_CACHE_CHECK([whether fopen recognizes a trailing slash], + [gl_cv_func_fopen_slash], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stddef.h> +#include <stdio.h> +int main () +{ + return fopen ("conftest.sl/", "w") != NULL; +}]])], + [gl_cv_func_fopen_slash=yes], + [gl_cv_func_fopen_slash=no], + [ +changequote(,)dnl + case "$host_os" in + aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*) + gl_cv_func_fopen_slash="guessing no" ;; + *) + gl_cv_func_fopen_slash="guessing yes" ;; + esac +changequote([,])dnl + ]) + rm -f conftest.sl + ]) + ;; + esac + case "$gl_cv_func_fopen_slash" in + *no) + AC_DEFINE([FOPEN_TRAILING_SLASH_BUG], [1], + [Define to 1 if fopen() fails to recognize a trailing slash.]) + REPLACE_FOPEN=1 + ;; + esac +]) + +# Prerequisites of lib/fopen.c. +AC_DEFUN([gl_PREREQ_FOPEN], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/fpending.m4 b/m4/fpending.m4 new file mode 100644 index 00000000..33a5c94c --- /dev/null +++ b/m4/fpending.m4 @@ -0,0 +1,90 @@ +# serial 19 + +# Copyright (C) 2000-2001, 2004-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering +dnl Using code from emacs, based on suggestions from Paul Eggert +dnl and Ulrich Drepper. + +dnl Find out how to determine the number of pending output bytes on a stream. +dnl glibc (2.1.93 and newer) and Solaris provide __fpending. On other systems, +dnl we have to grub around in the FILE struct. + +AC_DEFUN([gl_FUNC_FPENDING], +[ + AC_CHECK_HEADERS_ONCE([stdio_ext.h]) + AC_CHECK_FUNCS_ONCE([__fpending]) + fp_headers=' +# include <stdio.h> +# if HAVE_STDIO_EXT_H +# include <stdio_ext.h> +# endif +' + AC_CHECK_DECLS([__fpending], , , $fp_headers) +]) + +AC_DEFUN([gl_PREREQ_FPENDING], +[ + AC_CACHE_CHECK( + [how to determine the number of pending output bytes on a stream], + ac_cv_sys_pending_output_n_bytes, + [ + for ac_expr in \ + \ + '# glibc2' \ + 'fp->_IO_write_ptr - fp->_IO_write_base' \ + \ + '# traditional Unix' \ + 'fp->_ptr - fp->_base' \ + \ + '# BSD' \ + 'fp->_p - fp->_bf._base' \ + \ + '# SCO, Unixware' \ + '(fp->__ptr ? fp->__ptr - fp->__base : 0)' \ + \ + '# QNX' \ + '(fp->_Mode & 0x2000 /*_MWRITE*/ ? fp->_Next - fp->_Buf : 0)' \ + \ + '# old glibc?' \ + 'fp->__bufp - fp->__buffer' \ + \ + '# old glibc iostream?' \ + 'fp->_pptr - fp->_pbase' \ + \ + '# emx+gcc' \ + 'fp->_ptr - fp->_buffer' \ + \ + '# Minix' \ + 'fp->_ptr - fp->_buf' \ + \ + '# Plan9' \ + 'fp->wp - fp->buf' \ + \ + '# VMS' \ + '(*fp)->_ptr - (*fp)->_base' \ + \ + '# e.g., DGUX R4.11; the info is not available' \ + 1 \ + ; do + + # Skip each embedded comment. + case "$ac_expr" in '#'*) continue;; esac + + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], + [[FILE *fp = stdin; (void) ($ac_expr);]])], + [fp_done=yes] + ) + test "$fp_done" = yes && break + done + + ac_cv_sys_pending_output_n_bytes=$ac_expr + ] + ) + AC_DEFINE_UNQUOTED([PENDING_OUTPUT_N_BYTES], + $ac_cv_sys_pending_output_n_bytes, + [the number of pending output bytes on stream 'fp']) +]) diff --git a/m4/fpieee.m4 b/m4/fpieee.m4 new file mode 100644 index 00000000..82fd7783 --- /dev/null +++ b/m4/fpieee.m4 @@ -0,0 +1,54 @@ +# fpieee.m4 serial 2 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl IEEE 754 standardized three items: +dnl - The formats of single-float and double-float - nowadays commonly +dnl available as 'float' and 'double' in C and C++. +dnl No autoconf test needed. +dnl - The overflow and division by zero behaviour: The result are values +dnl '±Inf' and 'NaN', rather than exceptions as it was before. +dnl This file provides an autoconf macro for ensuring this behaviour of +dnl floating-point operations. +dnl - A set of conditions (overflow, underflow, inexact, etc.) which can +dnl be configured to trigger an exception. +dnl This cannot be done in a portable way: it depends on the compiler, +dnl libc, kernel, and CPU. No autoconf macro is provided for this. + +dnl Ensure non-trapping behaviour of floating-point overflow and +dnl floating-point division by zero. +dnl (For integer overflow, see gcc's -ftrapv option; for integer division by +dnl zero, see the autoconf macro in intdiv0.m4.) + +AC_DEFUN([gl_FP_IEEE], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + # IEEE behaviour is the default on all CPUs except Alpha and SH + # (according to the test results of Bruno Haible's ieeefp/fenv_default.m4 + # and the GCC 4.1.2 manual). + case "$host_cpu" in + alpha*) + # On Alpha systems, a compiler option provides the behaviour. + # See the ieee(3) manual page, also available at + # <http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/MAN/MAN3/0600____.HTM> + if test -n "$GCC"; then + # GCC has the option -mieee. + # For full IEEE compliance (rarely needed), use option -mieee-with-inexact. + CPPFLAGS="$CPPFLAGS -mieee" + else + # Compaq (ex-DEC) C has the option -ieee, equivalent to -ieee_with_no_inexact. + # For full IEEE compliance (rarely needed), use option -ieee_with_inexact. + CPPFLAGS="$CPPFLAGS -ieee" + fi + ;; + sh*) + if test -n "$GCC"; then + # GCC has the option -mieee. + CPPFLAGS="$CPPFLAGS -mieee" + fi + ;; + esac +]) diff --git a/m4/fpurge.m4 b/m4/fpurge.m4 new file mode 100644 index 00000000..2049fe4e --- /dev/null +++ b/m4/fpurge.m4 @@ -0,0 +1,45 @@ +# fpurge.m4 serial 7 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FPURGE], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([fpurge]) + AC_CHECK_FUNCS_ONCE([__fpurge]) + AC_CHECK_DECLS([fpurge], , , [[#include <stdio.h>]]) + if test "x$ac_cv_func_fpurge" = xyes; then + HAVE_FPURGE=1 + # Detect BSD bug. Only cygwin 1.7 is known to be immune. + AC_CACHE_CHECK([whether fpurge works], [gl_cv_func_fpurge_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> +]], [FILE *f = fopen ("conftest.txt", "w+"); + if (!f) return 1; + if (fputc ('a', f) != 'a') return 2; + rewind (f); + if (fgetc (f) != 'a') return 3; + if (fgetc (f) != EOF) return 4; + if (fpurge (f) != 0) return 5; + if (putc ('b', f) != 'b') return 6; + if (fclose (f) != 0) return 7; + if ((f = fopen ("conftest.txt", "r")) == NULL) return 8; + if (fgetc (f) != 'a') return 9; + if (fgetc (f) != 'b') return 10; + if (fgetc (f) != EOF) return 11; + if (fclose (f) != 0) return 12; + if (remove ("conftest.txt") != 0) return 13; + return 0;])], + [gl_cv_func_fpurge_works=yes], [gl_cv_func_fpurge_works=no], + [gl_cv_func_fpurge_works='guessing no'])]) + if test "x$gl_cv_func_fpurge_works" != xyes; then + REPLACE_FPURGE=1 + fi + else + HAVE_FPURGE=0 + fi + if test "x$ac_cv_have_decl_fpurge" = xno; then + HAVE_DECL_FPURGE=0 + fi +]) diff --git a/m4/freading.m4 b/m4/freading.m4 new file mode 100644 index 00000000..216adc9e --- /dev/null +++ b/m4/freading.m4 @@ -0,0 +1,10 @@ +# freading.m4 serial 1 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FREADING], +[ + AC_CHECK_FUNCS_ONCE([__freading]) +]) diff --git a/m4/freopen.m4 b/m4/freopen.m4 new file mode 100644 index 00000000..8b22b806 --- /dev/null +++ b/m4/freopen.m4 @@ -0,0 +1,22 @@ +# freopen.m4 serial 3 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FREOPEN], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + mingw* | pw*) + REPLACE_FREOPEN=1 + ;; + esac +]) + +# Prerequisites of lib/freopen.c. +AC_DEFUN([gl_PREREQ_FREOPEN], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/frexp.m4 b/m4/frexp.m4 new file mode 100644 index 00000000..4162195e --- /dev/null +++ b/m4/frexp.m4 @@ -0,0 +1,170 @@ +# frexp.m4 serial 13 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FREXP], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM]) + FREXP_LIBM= + if test $gl_cv_func_frexp_no_libm = no; then + AC_CACHE_CHECK([whether frexp() can be used with libm], + [gl_cv_func_frexp_in_libm], + [ + save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + double x;]], + [[int e; return frexp (x, &e) > 0;]])], + [gl_cv_func_frexp_in_libm=yes], + [gl_cv_func_frexp_in_libm=no]) + LIBS="$save_LIBS" + ]) + if test $gl_cv_func_frexp_in_libm = yes; then + FREXP_LIBM=-lm + fi + fi + if test $gl_cv_func_frexp_no_libm = yes \ + || test $gl_cv_func_frexp_in_libm = yes; then + save_LIBS="$LIBS" + LIBS="$LIBS $FREXP_LIBM" + gl_FUNC_FREXP_WORKS + LIBS="$save_LIBS" + case "$gl_cv_func_frexp_works" in + *yes) gl_func_frexp=yes ;; + *) gl_func_frexp=no; REPLACE_FREXP=1; FREXP_LIBM= ;; + esac + else + gl_func_frexp=no + fi + if test $gl_func_frexp = yes; then + AC_DEFINE([HAVE_FREXP], [1], + [Define if the frexp() function is available and works.]) + fi + AC_SUBST([FREXP_LIBM]) +]) + +AC_DEFUN([gl_FUNC_FREXP_NO_LIBM], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM]) + if test $gl_cv_func_frexp_no_libm = yes; then + gl_FUNC_FREXP_WORKS + case "$gl_cv_func_frexp_works" in + *yes) gl_func_frexp_no_libm=yes ;; + *) gl_func_frexp_no_libm=no; REPLACE_FREXP=1 ;; + esac + else + gl_func_frexp_no_libm=no + dnl Set REPLACE_FREXP here because the system may have frexp in libm. + REPLACE_FREXP=1 + fi + if test $gl_func_frexp_no_libm = yes; then + AC_DEFINE([HAVE_FREXP_IN_LIBC], [1], + [Define if the frexp() function is available in libc.]) + fi +]) + +dnl Test whether frexp() can be used without linking with libm. +dnl Set gl_cv_func_frexp_no_libm to 'yes' or 'no' accordingly. +AC_DEFUN([gl_CHECK_FREXP_NO_LIBM], +[ + AC_CACHE_CHECK([whether frexp() can be used without linking with libm], + [gl_cv_func_frexp_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + double x;]], + [[int e; return frexp (x, &e) > 0;]])], + [gl_cv_func_frexp_no_libm=yes], + [gl_cv_func_frexp_no_libm=no]) + ]) +]) + +dnl Test whether frexp() works also on denormalized numbers (this fails e.g. on +dnl NetBSD 3.0), on infinite numbers (this fails e.g. on IRIX 6.5 and mingw), +dnl and on negative zero (this fails e.g. on NetBSD 4.99 and mingw). +AC_DEFUN([gl_FUNC_FREXP_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([alarm]) + AC_CACHE_CHECK([whether frexp works], [gl_cv_func_frexp_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <float.h> +#include <math.h> +#include <string.h> +#if HAVE_ALARM +# include <unistd.h> +#endif +/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0. + ICC 10.0 has a bug when optimizing the expression -zero. + The expression -DBL_MIN * DBL_MIN does not work when cross-compiling + to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi || defined __ICC +static double +compute_minus_zero (void) +{ + return -DBL_MIN * DBL_MIN; +} +# define minus_zero compute_minus_zero () +#else +double minus_zero = -0.0; +#endif +int main() +{ + int result = 0; + int i; + volatile double x; + double zero = 0.0; +#if HAVE_ALARM + /* NeXTstep 3.3 frexp() runs into an endless loop when called on an infinite + number. Let the test fail in this case. */ + alarm (5); +#endif + /* Test on denormalized numbers. */ + for (i = 1, x = 1.0; i >= DBL_MIN_EXP; i--, x *= 0.5) + ; + if (x > 0.0) + { + int exp; + double y = frexp (x, &exp); + /* On machines with IEEE754 arithmetic: x = 1.11254e-308, exp = -1022. + On NetBSD: y = 0.75. Correct: y = 0.5. */ + if (y != 0.5) + result |= 1; + } + /* Test on infinite numbers. */ + x = 1.0 / zero; + { + int exp; + double y = frexp (x, &exp); + if (y != x) + result |= 2; + } + /* Test on negative zero. */ + x = minus_zero; + { + int exp; + double y = frexp (x, &exp); + if (memcmp (&y, &x, sizeof x)) + result |= 4; + } + return result; +}]])], + [gl_cv_func_frexp_works=yes], + [gl_cv_func_frexp_works=no], + [case "$host_os" in + netbsd* | irix* | mingw*) gl_cv_func_frexp_works="guessing no";; + *) gl_cv_func_frexp_works="guessing yes";; + esac + ]) + ]) +]) diff --git a/m4/frexpl.m4 b/m4/frexpl.m4 new file mode 100644 index 00000000..9df87ab8 --- /dev/null +++ b/m4/frexpl.m4 @@ -0,0 +1,231 @@ +# frexpl.m4 serial 19 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FREXPL], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) + + dnl Persuade glibc <math.h> to declare frexpl(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl Check whether it's declared. + dnl MacOS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>. + AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]]) + + FREXPL_LIBM= + if test $HAVE_DECL_FREXPL = 1; then + gl_CHECK_FREXPL_NO_LIBM + if test $gl_cv_func_frexpl_no_libm = no; then + AC_CACHE_CHECK([whether frexpl() can be used with libm], + [gl_cv_func_frexpl_in_libm], + [ + save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + long double x;]], + [[int e; return frexpl (x, &e) > 0;]])], + [gl_cv_func_frexpl_in_libm=yes], + [gl_cv_func_frexpl_in_libm=no]) + LIBS="$save_LIBS" + ]) + if test $gl_cv_func_frexpl_in_libm = yes; then + FREXPL_LIBM=-lm + fi + fi + if test $gl_cv_func_frexpl_no_libm = yes \ + || test $gl_cv_func_frexpl_in_libm = yes; then + save_LIBS="$LIBS" + LIBS="$LIBS $FREXPL_LIBM" + gl_FUNC_FREXPL_WORKS + LIBS="$save_LIBS" + case "$gl_cv_func_frexpl_works" in + *yes) gl_func_frexpl=yes ;; + *) gl_func_frexpl=no; REPLACE_FREXPL=1 ;; + esac + else + gl_func_frexpl=no + fi + if test $gl_func_frexpl = yes; then + AC_DEFINE([HAVE_FREXPL], [1], + [Define if the frexpl() function is available.]) + fi + fi + if test $HAVE_DECL_FREXPL = 0 || test $gl_func_frexpl = no; then + dnl Find libraries needed to link lib/frexpl.c. + if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1; then + AC_REQUIRE([gl_FUNC_FREXP]) + FREXPL_LIBM="$FREXP_LIBM" + else + FREXPL_LIBM= + fi + fi + AC_SUBST([FREXPL_LIBM]) +]) + +AC_DEFUN([gl_FUNC_FREXPL_NO_LIBM], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) + dnl Check whether it's declared. + dnl MacOS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>. + AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]]) + if test $HAVE_DECL_FREXPL = 1; then + gl_CHECK_FREXPL_NO_LIBM + if test $gl_cv_func_frexpl_no_libm = yes; then + gl_FUNC_FREXPL_WORKS + case "$gl_cv_func_frexpl_works" in + *yes) gl_func_frexpl_no_libm=yes ;; + *) gl_func_frexpl_no_libm=no; REPLACE_FREXPL=1 ;; + esac + else + gl_func_frexpl_no_libm=no + dnl Set REPLACE_FREXPL here because the system may have frexpl in libm. + REPLACE_FREXPL=1 + fi + if test $gl_func_frexpl_no_libm = yes; then + AC_DEFINE([HAVE_FREXPL_IN_LIBC], [1], + [Define if the frexpl() function is available in libc.]) + fi + fi +]) + +dnl Test whether frexpl() can be used without linking with libm. +dnl Set gl_cv_func_frexpl_no_libm to 'yes' or 'no' accordingly. +AC_DEFUN([gl_CHECK_FREXPL_NO_LIBM], +[ + AC_CACHE_CHECK([whether frexpl() can be used without linking with libm], + [gl_cv_func_frexpl_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + long double x;]], + [[int e; return frexpl (x, &e) > 0;]])], + [gl_cv_func_frexpl_no_libm=yes], + [gl_cv_func_frexpl_no_libm=no]) + ]) +]) + +dnl Test whether frexpl() works on finite numbers (this fails on +dnl MacOS X 10.4/PowerPC, on AIX 5.1, and on BeOS), on denormalized numbers +dnl (this fails on MacOS X 10.5/i386), and also on infinite numbers (this +dnl fails e.g. on IRIX 6.5 and mingw). +AC_DEFUN([gl_FUNC_FREXPL_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether frexpl works], [gl_cv_func_frexpl_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <float.h> +#include <math.h> +/* Override the values of <float.h>, like done in float.in.h. */ +#if defined __i386__ && (defined __BEOS__ || defined __OpenBSD__) +# undef LDBL_MIN_EXP +# define LDBL_MIN_EXP (-16381) +#endif +#if defined __i386__ && defined __FreeBSD__ +# undef LDBL_MIN_EXP +# define LDBL_MIN_EXP (-16381) +#endif +#if (defined _ARCH_PPC || defined _POWER) && defined _AIX && (LDBL_MANT_DIG == 106) && defined __GNUC__ +# undef LDBL_MIN_EXP +# define LDBL_MIN_EXP DBL_MIN_EXP +#endif +#if defined __sgi && (LDBL_MANT_DIG >= 106) +# if defined __GNUC__ +# undef LDBL_MIN_EXP +# define LDBL_MIN_EXP DBL_MIN_EXP +# endif +#endif +extern +#ifdef __cplusplus +"C" +#endif +long double frexpl (long double, int *); +int main() +{ + int result = 0; + volatile long double x; + /* Test on finite numbers that fails on AIX 5.1. */ + x = 16.0L; + { + int exp = -9999; + frexpl (x, &exp); + if (exp != 5) + result |= 1; + } + /* Test on finite numbers that fails on MacOS X 10.4, because its frexpl + function returns an invalid (incorrectly normalized) value: it returns + y = { 0x3fe028f5, 0xc28f5c28, 0x3c9eb851, 0xeb851eb8 } + but the correct result is + 0.505L = { 0x3fe028f5, 0xc28f5c29, 0xbc547ae1, 0x47ae1480 } */ + x = 1.01L; + { + int exp = -9999; + long double y = frexpl (x, &exp); + if (!(exp == 1 && y == 0.505L)) + result |= 2; + } + /* Test on large finite numbers. This fails on BeOS at i = 16322, while + LDBL_MAX_EXP = 16384. + In the loop end test, we test x against Infinity, rather than comparing + i with LDBL_MAX_EXP, because BeOS <float.h> has a wrong LDBL_MAX_EXP. */ + { + int i; + for (i = 1, x = 1.0L; x != x + x; i++, x *= 2.0L) + { + int exp = -9999; + frexpl (x, &exp); + if (exp != i) + { + result |= 4; + break; + } + } + } + /* Test on denormalized numbers. */ + { + int i; + for (i = 1, x = 1.0L; i >= LDBL_MIN_EXP; i--, x *= 0.5L) + ; + if (x > 0.0L) + { + int exp; + long double y = frexpl (x, &exp); + /* On machines with IEEE854 arithmetic: x = 1.68105e-4932, + exp = -16382, y = 0.5. On MacOS X 10.5: exp = -16384, y = 0.5. */ + if (exp != LDBL_MIN_EXP - 1) + result |= 8; + } + } + /* Test on infinite numbers. */ + x = 1.0L / 0.0L; + { + int exp; + long double y = frexpl (x, &exp); + if (y != x) + result |= 16; + } + return result; +}]])], + [gl_cv_func_frexpl_works=yes], + [gl_cv_func_frexpl_works=no], + [ +changequote(,)dnl + case "$host_os" in + aix | aix[3-6]* | beos* | darwin* | irix* | mingw* | pw*) + gl_cv_func_frexpl_works="guessing no";; + *) gl_cv_func_frexpl_works="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) diff --git a/m4/fseek.m4 b/m4/fseek.m4 new file mode 100644 index 00000000..d9cd70a9 --- /dev/null +++ b/m4/fseek.m4 @@ -0,0 +1,15 @@ +# fseek.m4 serial 4 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FSEEK], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_FSEEKO]) + dnl When fseeko needs fixes, fseek needs them too. + if test $HAVE_FSEEKO = 0 || test $REPLACE_FSEEKO = 1; then + REPLACE_FSEEK=1 + fi +]) diff --git a/m4/fseeko.m4 b/m4/fseeko.m4 new file mode 100644 index 00000000..1bb88c76 --- /dev/null +++ b/m4/fseeko.m4 @@ -0,0 +1,73 @@ +# fseeko.m4 serial 16 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FSEEKO], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([gl_STDIN_LARGE_OFFSET]) + AC_REQUIRE([gl_SYS_TYPES_H]) + AC_REQUIRE([AC_PROG_CC]) + + dnl Persuade glibc <stdio.h> to declare fseeko(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko], + [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> +]], [fseeko (stdin, 0, 0);])], + [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no]) + ]) + + AC_CHECK_DECLS_ONCE([fseeko]) + if test $ac_cv_have_decl_fseeko = no; then + HAVE_DECL_FSEEKO=0 + fi + + if test $gl_cv_func_fseeko = no; then + HAVE_FSEEKO=0 + else + if test $WINDOWS_64_BIT_OFF_T = 1; then + REPLACE_FSEEKO=1 + fi + if test $gl_cv_var_stdin_large_offset = no; then + REPLACE_FSEEKO=1 + fi + m4_ifdef([gl_FUNC_FFLUSH_STDIN], [ + gl_FUNC_FFLUSH_STDIN + if test $gl_cv_func_fflush_stdin = no; then + REPLACE_FSEEKO=1 + fi + ]) + fi +]) + +dnl Code shared by fseeko and ftello. Determine if large files are supported, +dnl but stdin does not start as a large file by default. +AC_DEFUN([gl_STDIN_LARGE_OFFSET], + [ + AC_CACHE_CHECK([whether stdin defaults to large file offsets], + [gl_cv_var_stdin_large_offset], + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], +[[#if defined __SL64 && defined __SCLE /* cygwin */ + /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making + fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and + it is easier to do a version check than building a runtime test. */ +# include <cygwin/version.h> +# if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25) + choke me +# endif +#endif]])], + [gl_cv_var_stdin_large_offset=yes], + [gl_cv_var_stdin_large_offset=no])]) +]) + +# Prerequisites of lib/fseeko.c. +AC_DEFUN([gl_PREREQ_FSEEKO], +[ + dnl Native Windows has the function _fseeki64. mingw hides it, but mingw64 + dnl makes it usable again. + AC_CHECK_FUNCS([_fseeki64]) +]) diff --git a/m4/fstat.m4 b/m4/fstat.m4 new file mode 100644 index 00000000..3ab3297b --- /dev/null +++ b/m4/fstat.m4 @@ -0,0 +1,39 @@ +# fstat.m4 serial 3 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FSTAT], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_FSTAT=1 + fi + + AC_REQUIRE([gl_HEADER_SYS_STAT_H]) + if test $WINDOWS_64_BIT_ST_SIZE = 1; then + REPLACE_FSTAT=1 + fi + + dnl Replace fstat() for supporting the gnulib-defined open() on directories. + m4_ifdef([gl_FUNC_FCHDIR], [ + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + case "$gl_cv_func_open_directory_works" in + *yes) ;; + *) + REPLACE_FSTAT=1 + ;; + esac + fi + ]) +]) + +# Prerequisites of lib/fstat.c. +AC_DEFUN([gl_PREREQ_FSTAT], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/fstatat.m4 b/m4/fstatat.m4 new file mode 100644 index 00000000..f84e198f --- /dev/null +++ b/m4/fstatat.m4 @@ -0,0 +1,60 @@ +# fstatat.m4 serial 3 +dnl Copyright (C) 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +# If we have the fstatat function, and it has the bug (in AIX 7.1) +# that it does not fill in st_size correctly, use the replacement function. +AC_DEFUN([gl_FUNC_FSTATAT], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([fstatat]) + + if test $ac_cv_func_fstatat = no; then + HAVE_FSTATAT=0 + else + dnl Test for an AIX 7.1 bug; see + dnl <http://lists.gnu.org/archive/html/bug-tar/2011-09/msg00015.html>. + AC_CACHE_CHECK([whether fstatat (..., 0) works], + [gl_cv_func_fstatat_zero_flag], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE( + [[ + #include <fcntl.h> + #include <sys/stat.h> + int + main (void) + { + struct stat a; + return fstatat (AT_FDCWD, ".", &a, 0) != 0; + } + ]])], + [gl_cv_func_fstatat_zero_flag=yes], + [gl_cv_func_fstatat_zero_flag=no], + [case "$host_os" in + aix*) gl_cv_func_fstatat_zero_flag="guessing no";; + *) gl_cv_func_fstatat_zero_flag="guessing yes";; + esac + ]) + ]) + + case $gl_cv_func_fstatat_zero_flag+$gl_cv_func_lstat_dereferences_slashed_symlink in + *yes+*yes) ;; + *) REPLACE_FSTATAT=1 + case $gl_cv_func_fstatat_zero_flag in + *yes) + AC_DEFINE([HAVE_WORKING_FSTATAT_ZERO_FLAG], [1], + [Define to 1 if fstatat (..., 0) works. + For example, it does not work in AIX 7.1.]) + ;; + esac + ;; + esac + fi +]) diff --git a/m4/fstypename.m4 b/m4/fstypename.m4 new file mode 100644 index 00000000..34044d09 --- /dev/null +++ b/m4/fstypename.m4 @@ -0,0 +1,23 @@ +#serial 6 + +dnl From Jim Meyering. +dnl +dnl See if struct statfs has the f_fstypename member. +dnl If so, define HAVE_STRUCT_STATFS_F_FSTYPENAME. +dnl + +# Copyright (C) 1998-1999, 2001, 2004, 2006, 2009-2012 Free Software +# Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FSTYPENAME], +[ + AC_CHECK_MEMBERS([struct statfs.f_fstypename],,, + [ + #include <sys/types.h> + #include <sys/param.h> + #include <sys/mount.h> + ]) +]) diff --git a/m4/fsusage.m4 b/m4/fsusage.m4 new file mode 100644 index 00000000..519743fb --- /dev/null +++ b/m4/fsusage.m4 @@ -0,0 +1,323 @@ +# serial 29 +# Obtaining file system usage information. + +# Copyright (C) 1997-1998, 2000-2001, 2003-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +AC_DEFUN([gl_FSUSAGE], +[ + AC_CHECK_HEADERS_ONCE([sys/param.h]) + AC_CHECK_HEADERS_ONCE([sys/vfs.h sys/fs_types.h]) + AC_CHECK_HEADERS([sys/mount.h], [], [], + [AC_INCLUDES_DEFAULT + [#if HAVE_SYS_PARAM_H + #include <sys/param.h> + #endif]]) + gl_FILE_SYSTEM_USAGE([gl_cv_fs_space=yes], [gl_cv_fs_space=no]) +]) + +# Try to determine how a program can obtain file system usage information. +# If successful, define the appropriate symbol (see fsusage.c) and +# execute ACTION-IF-FOUND. Otherwise, execute ACTION-IF-NOT-FOUND. +# +# gl_FILE_SYSTEM_USAGE([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) + +AC_DEFUN([gl_FILE_SYSTEM_USAGE], +[ +dnl Enable large-file support. This has the effect of changing the size +dnl of field f_blocks in 'struct statvfs' from 32 bit to 64 bit on +dnl glibc/Hurd, HP-UX 11, Solaris (32-bit mode). It also changes the size +dnl of field f_blocks in 'struct statfs' from 32 bit to 64 bit on +dnl MacOS X >= 10.5 (32-bit mode). +AC_REQUIRE([AC_SYS_LARGEFILE]) + +AC_MSG_NOTICE([checking how to get file system space usage]) +ac_fsusage_space=no + +# Perform only the link test since it seems there are no variants of the +# statvfs function. This check is more than just AC_CHECK_FUNCS([statvfs]) +# because that got a false positive on SCO OSR5. Adding the declaration +# of a 'struct statvfs' causes this test to fail (as it should) on such +# systems. That system is reported to work fine with STAT_STATFS4 which +# is what it gets when this test fails. +if test $ac_fsusage_space = no; then + # glibc/{Hurd,kFreeBSD}, FreeBSD >= 5.0, NetBSD >= 3.0, + # OpenBSD >= 4.4, AIX, HP-UX, IRIX, Solaris, Cygwin, Interix, BeOS. + AC_CACHE_CHECK([for statvfs function (SVR4)], [fu_cv_sys_stat_statvfs], + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> +#if (defined __GLIBC__ || defined __UCLIBC__) && defined __linux__ +Do not use statvfs on systems with GNU libc on Linux, because that function +stats all preceding entries in /proc/mounts, and that makes df hang if even +one of the corresponding file systems is hard-mounted, but not available. +statvfs in GNU libc on Hurd, BeOS, Haiku operates differently: it only makes +a system call. +#endif + +#ifdef __osf__ +"Do not use Tru64's statvfs implementation" +#endif + +#include <sys/statvfs.h> + +struct statvfs fsd; + +#if defined __APPLE__ && defined __MACH__ +#include <limits.h> +/* On MacOS X >= 10.5, f_blocks in 'struct statvfs' is a 32-bit quantity; + that commonly limits file systems to 4 TiB. Whereas f_blocks in + 'struct statfs' is a 64-bit type, thanks to the large-file support + that was enabled above. In this case, don't use statvfs(); use statfs() + instead. */ +int check_f_blocks_size[sizeof fsd.f_blocks * CHAR_BIT <= 32 ? -1 : 1]; +#endif +]], + [[statvfs (0, &fsd);]])], + [fu_cv_sys_stat_statvfs=yes], + [fu_cv_sys_stat_statvfs=no])]) + if test $fu_cv_sys_stat_statvfs = yes; then + ac_fsusage_space=yes + # AIX >= 5.2 has statvfs64 that has a wider f_blocks field than statvfs. + # glibc, HP-UX, IRIX, Solaris have statvfs64 as well, but on these systems + # statvfs with large-file support is already equivalent to statvfs64. + AC_CACHE_CHECK([whether to use statvfs64], + [fu_cv_sys_stat_statvfs64], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + #include <sys/statvfs.h> + struct statvfs64 fsd; + int check_f_blocks_larger_in_statvfs64 + [sizeof (((struct statvfs64 *) 0)->f_blocks) + > sizeof (((struct statvfs *) 0)->f_blocks) + ? 1 : -1]; + ]], + [[statvfs64 (0, &fsd);]])], + [fu_cv_sys_stat_statvfs64=yes], + [fu_cv_sys_stat_statvfs64=no]) + ]) + if test $fu_cv_sys_stat_statvfs64 = yes; then + AC_DEFINE([STAT_STATVFS64], [1], + [ Define if statvfs64 should be preferred over statvfs.]) + else + AC_DEFINE([STAT_STATVFS], [1], + [ Define if there is a function named statvfs. (SVR4)]) + fi + fi +fi + +if test $ac_fsusage_space = no; then + # DEC Alpha running OSF/1 + AC_MSG_CHECKING([for 3-argument statfs function (DEC OSF/1)]) + AC_CACHE_VAL([fu_cv_sys_stat_statfs3_osf1], + [AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/param.h> +#include <sys/types.h> +#include <sys/mount.h> + int + main () + { + struct statfs fsd; + fsd.f_fsize = 0; + return statfs (".", &fsd, sizeof (struct statfs)) != 0; + }]])], + [fu_cv_sys_stat_statfs3_osf1=yes], + [fu_cv_sys_stat_statfs3_osf1=no], + [fu_cv_sys_stat_statfs3_osf1=no])]) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs3_osf1]) + if test $fu_cv_sys_stat_statfs3_osf1 = yes; then + ac_fsusage_space=yes + AC_DEFINE([STAT_STATFS3_OSF1], [1], + [ Define if statfs takes 3 args. (DEC Alpha running OSF/1)]) + fi +fi + +if test $ac_fsusage_space = no; then + # glibc/Linux, MacOS X, FreeBSD < 5.0, NetBSD < 3.0, OpenBSD < 4.4. + # (glibc/{Hurd,kFreeBSD}, FreeBSD >= 5.0, NetBSD >= 3.0, + # OpenBSD >= 4.4, AIX, HP-UX, OSF/1, Cygwin already handled above.) + # (On IRIX you need to include <sys/statfs.h>, not only <sys/mount.h> and + # <sys/vfs.h>.) + # (On Solaris, statfs has 4 arguments.) + AC_MSG_CHECKING([for two-argument statfs with statfs.f_bsize dnl +member (AIX, 4.3BSD)]) + AC_CACHE_VAL([fu_cv_sys_stat_statfs2_bsize], + [AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#ifdef HAVE_SYS_MOUNT_H +#include <sys/mount.h> +#endif +#ifdef HAVE_SYS_VFS_H +#include <sys/vfs.h> +#endif + int + main () + { + struct statfs fsd; + fsd.f_bsize = 0; + return statfs (".", &fsd) != 0; + }]])], + [fu_cv_sys_stat_statfs2_bsize=yes], + [fu_cv_sys_stat_statfs2_bsize=no], + [fu_cv_sys_stat_statfs2_bsize=no])]) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs2_bsize]) + if test $fu_cv_sys_stat_statfs2_bsize = yes; then + ac_fsusage_space=yes + AC_DEFINE([STAT_STATFS2_BSIZE], [1], +[ Define if statfs takes 2 args and struct statfs has a field named f_bsize. + (4.3BSD, SunOS 4, HP-UX, AIX PS/2)]) + fi +fi + +if test $ac_fsusage_space = no; then + # SVR3 + # (Solaris already handled above.) + AC_MSG_CHECKING([for four-argument statfs (AIX-3.2.5, SVR3)]) + AC_CACHE_VAL([fu_cv_sys_stat_statfs4], + [AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/types.h> +#include <sys/statfs.h> + int + main () + { + struct statfs fsd; + return statfs (".", &fsd, sizeof fsd, 0) != 0; + }]])], + [fu_cv_sys_stat_statfs4=yes], + [fu_cv_sys_stat_statfs4=no], + [fu_cv_sys_stat_statfs4=no])]) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs4]) + if test $fu_cv_sys_stat_statfs4 = yes; then + ac_fsusage_space=yes + AC_DEFINE([STAT_STATFS4], [1], + [ Define if statfs takes 4 args. (SVR3, Dynix, old Irix, old AIX, Dolphin)]) + fi +fi + +if test $ac_fsusage_space = no; then + # 4.4BSD and older NetBSD + # (OSF/1 already handled above.) + # (On AIX, you need to include <sys/statfs.h>, not only <sys/mount.h>.) + # (On Solaris, statfs has 4 arguments and 'struct statfs' is not declared in + # <sys/mount.h>.) + AC_MSG_CHECKING([for two-argument statfs with statfs.f_fsize dnl +member (4.4BSD and NetBSD)]) + AC_CACHE_VAL([fu_cv_sys_stat_statfs2_fsize], + [AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/types.h> +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#ifdef HAVE_SYS_MOUNT_H +#include <sys/mount.h> +#endif + int + main () + { + struct statfs fsd; + fsd.f_fsize = 0; + return statfs (".", &fsd) != 0; + }]])], + [fu_cv_sys_stat_statfs2_fsize=yes], + [fu_cv_sys_stat_statfs2_fsize=no], + [fu_cv_sys_stat_statfs2_fsize=no])]) + AC_MSG_RESULT([$fu_cv_sys_stat_statfs2_fsize]) + if test $fu_cv_sys_stat_statfs2_fsize = yes; then + ac_fsusage_space=yes + AC_DEFINE([STAT_STATFS2_FSIZE], [1], +[ Define if statfs takes 2 args and struct statfs has a field named f_fsize. + (4.4BSD, NetBSD)]) + fi +fi + +if test $ac_fsusage_space = no; then + # Ultrix + AC_MSG_CHECKING([for two-argument statfs with struct fs_data (Ultrix)]) + AC_CACHE_VAL([fu_cv_sys_stat_fs_data], + [AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/types.h> +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif +#ifdef HAVE_SYS_MOUNT_H +#include <sys/mount.h> +#endif +#ifdef HAVE_SYS_FS_TYPES_H +#include <sys/fs_types.h> +#endif + int + main () + { + struct fs_data fsd; + /* Ultrix's statfs returns 1 for success, + 0 for not mounted, -1 for failure. */ + return statfs (".", &fsd) != 1; + }]])], + [fu_cv_sys_stat_fs_data=yes], + [fu_cv_sys_stat_fs_data=no], + [fu_cv_sys_stat_fs_data=no])]) + AC_MSG_RESULT([$fu_cv_sys_stat_fs_data]) + if test $fu_cv_sys_stat_fs_data = yes; then + ac_fsusage_space=yes + AC_DEFINE([STAT_STATFS2_FS_DATA], [1], +[ Define if statfs takes 2 args and the second argument has + type struct fs_data. (Ultrix)]) + fi +fi + +if test $ac_fsusage_space = no; then + # SVR2 + # (AIX, HP-UX, OSF/1 already handled above.) + AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <sys/filsys.h> + ]])], + [AC_DEFINE([STAT_READ_FILSYS], [1], + [Define if there is no specific function for reading file systems usage + information and you have the <sys/filsys.h> header file. (SVR2)]) + ac_fsusage_space=yes]) +fi + +AS_IF([test $ac_fsusage_space = yes], [$1], [$2]) + +]) + + +# Check for SunOS statfs brokenness wrt partitions 2GB and larger. +# If <sys/vfs.h> exists and struct statfs has a member named f_spare, +# enable the work-around code in fsusage.c. +AC_DEFUN([gl_STATFS_TRUNCATES], +[ + AC_MSG_CHECKING([for statfs that truncates block counts]) + AC_CACHE_VAL([fu_cv_sys_truncating_statfs], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#if !defined(sun) && !defined(__sun) +choke -- this is a workaround for a Sun-specific problem +#endif +#include <sys/types.h> +#include <sys/vfs.h>]], + [[struct statfs t; long c = *(t.f_spare); + if (c) return 0;]])], + [fu_cv_sys_truncating_statfs=yes], + [fu_cv_sys_truncating_statfs=no])]) + if test $fu_cv_sys_truncating_statfs = yes; then + AC_DEFINE([STATFS_TRUNCATES_BLOCK_COUNTS], [1], + [Define if the block counts reported by statfs may be truncated to 2GB + and the correct values may be stored in the f_spare array. + (SunOS 4.1.2, 4.1.3, and 4.1.3_U1 are reported to have this problem. + SunOS 4.1.1 seems not to be affected.)]) + fi + AC_MSG_RESULT([$fu_cv_sys_truncating_statfs]) +]) + + +# Prerequisites of lib/fsusage.c not done by gl_FILE_SYSTEM_USAGE. +AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA], +[ + AC_CHECK_HEADERS([dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h]) + gl_STATFS_TRUNCATES +]) diff --git a/m4/fsync.m4 b/m4/fsync.m4 new file mode 100644 index 00000000..8cd47b48 --- /dev/null +++ b/m4/fsync.m4 @@ -0,0 +1,17 @@ +# fsync.m4 serial 2 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FSYNC], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([fsync]) + if test $ac_cv_func_fsync = no; then + HAVE_FSYNC=0 + fi +]) + +# Prerequisites of lib/fsync.c. +AC_DEFUN([gl_PREREQ_FSYNC], [:]) diff --git a/m4/ftell.m4 b/m4/ftell.m4 new file mode 100644 index 00000000..ed8d0146 --- /dev/null +++ b/m4/ftell.m4 @@ -0,0 +1,15 @@ +# ftell.m4 serial 3 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FTELL], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_FTELLO]) + dnl When ftello needs fixes, ftell needs them too. + if test $HAVE_FTELLO = 0 || test $REPLACE_FTELLO = 1; then + REPLACE_FTELL=1 + fi +]) diff --git a/m4/ftello.m4 b/m4/ftello.m4 new file mode 100644 index 00000000..ab7b548e --- /dev/null +++ b/m4/ftello.m4 @@ -0,0 +1,140 @@ +# ftello.m4 serial 11 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FTELLO], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gl_STDIN_LARGE_OFFSET]) + AC_REQUIRE([gl_SYS_TYPES_H]) + + dnl Persuade glibc <stdio.h> to declare ftello(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([ftello]) + if test $ac_cv_have_decl_ftello = no; then + HAVE_DECL_FTELLO=0 + fi + + AC_CACHE_CHECK([for ftello], [gl_cv_func_ftello], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdio.h>]], + [[ftello (stdin);]])], + [gl_cv_func_ftello=yes], + [gl_cv_func_ftello=no]) + ]) + if test $gl_cv_func_ftello = no; then + HAVE_FTELLO=0 + else + if test $WINDOWS_64_BIT_OFF_T = 1; then + REPLACE_FTELLO=1 + fi + if test $gl_cv_var_stdin_large_offset = no; then + REPLACE_FTELLO=1 + fi + if test $REPLACE_FTELLO = 0; then + dnl Detect bug on Solaris. + dnl ftell and ftello produce incorrect results after putc that followed a + dnl getc call that reached EOF on Solaris. This is because the _IOREAD + dnl flag does not get cleared in this case, even though _IOWRT gets set, + dnl and ftell and ftello look whether the _IOREAD flag is set. + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CACHE_CHECK([whether ftello works], + [gl_cv_func_ftello_works], + [ + dnl Initial guess, used when cross-compiling or when /dev/tty cannot + dnl be opened. +changequote(,)dnl + case "$host_os" in + # Guess no on Solaris. + solaris*) gl_cv_func_ftello_works="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_ftello_works="guessing yes" ;; + esac +changequote([,])dnl + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#define TESTFILE "conftest.tmp" +int +main (void) +{ + FILE *fp; + + /* Create a file with some contents. */ + fp = fopen (TESTFILE, "w"); + if (fp == NULL) + return 70; + if (fwrite ("foogarsh", 1, 8, fp) < 8) + return 71; + if (fclose (fp)) + return 72; + + /* The file's contents is now "foogarsh". */ + + /* Try writing after reading to EOF. */ + fp = fopen (TESTFILE, "r+"); + if (fp == NULL) + return 73; + if (fseek (fp, -1, SEEK_END)) + return 74; + if (!(getc (fp) == 'h')) + return 1; + if (!(getc (fp) == EOF)) + return 2; + if (!(ftell (fp) == 8)) + return 3; + if (!(ftell (fp) == 8)) + return 4; + if (!(putc ('!', fp) == '!')) + return 5; + if (!(ftell (fp) == 9)) + return 6; + if (!(fclose (fp) == 0)) + return 7; + fp = fopen (TESTFILE, "r"); + if (fp == NULL) + return 75; + { + char buf[10]; + if (!(fread (buf, 1, 10, fp) == 9)) + return 10; + if (!(memcmp (buf, "foogarsh!", 9) == 0)) + return 11; + } + if (!(fclose (fp) == 0)) + return 12; + + /* The file's contents is now "foogarsh!". */ + + return 0; +}]])], + [gl_cv_func_ftello_works=yes], + [gl_cv_func_ftello_works=no], [:]) + ]) + case "$gl_cv_func_ftello_works" in + *yes) ;; + *) + REPLACE_FTELLO=1 + AC_DEFINE([FTELLO_BROKEN_AFTER_SWITCHING_FROM_READ_TO_WRITE], [1], + [Define to 1 if the system's ftello function has the Solaris bug.]) + ;; + esac + fi + fi +]) + +# Prerequisites of lib/ftello.c. +AC_DEFUN([gl_PREREQ_FTELLO], +[ + dnl Native Windows has the function _ftelli64. mingw hides it, but mingw64 + dnl makes it usable again. + AC_CHECK_FUNCS([_ftelli64]) +]) diff --git a/m4/ftruncate.m4 b/m4/ftruncate.m4 new file mode 100644 index 00000000..969eb041 --- /dev/null +++ b/m4/ftruncate.m4 @@ -0,0 +1,41 @@ +# serial 19 + +# See if we need to emulate a missing ftruncate function using chsize. + +# Copyright (C) 2000-2001, 2003-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FTRUNCATE], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([ftruncate]) + if test $ac_cv_func_ftruncate = yes; then + m4_ifdef([gl_LARGEFILE], [ + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + mingw*) + dnl Native Windows, and Large File Support is requested. + dnl The MSVCRT _chsize() function only accepts a 32-bit file size, + dnl and the mingw64 ftruncate64() function is unreliable (it may + dnl delete the file, see + dnl <http://mingw-w64.sourcearchive.com/documentation/2.0-1/ftruncate64_8c_source.html>). + dnl Use gnulib's ftruncate() implementation instead. + REPLACE_FTRUNCATE=1 + ;; + esac + ], [ + : + ]) + else + HAVE_FTRUNCATE=0 + fi +]) + +# Prerequisites of lib/ftruncate.c. +AC_DEFUN([gl_PREREQ_FTRUNCATE], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_CHECK_FUNCS([chsize]) +]) diff --git a/m4/fts.m4 b/m4/fts.m4 new file mode 100644 index 00000000..5c92b3b0 --- /dev/null +++ b/m4/fts.m4 @@ -0,0 +1,23 @@ +#serial 19 +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_FTS], +[ + gl_FUNC_FTS_CORE +]) + +AC_DEFUN([gl_FUNC_FTS_CORE], +[ + dnl Prerequisites of lib/fts.c. + AC_REQUIRE([AC_C_INLINE]) + gl_FUNC_OPENAT + + AC_CHECK_FUNCS_ONCE([fstatfs]) + AC_CHECK_HEADERS_ONCE([sys/param.h sys/vfs.h])dnl + AC_CHECK_MEMBERS([struct statfs.f_type],,, + [$ac_includes_default + #include <sys/vfs.h>]) +]) diff --git a/m4/futimens.m4 b/m4/futimens.m4 new file mode 100644 index 00000000..27b3b290 --- /dev/null +++ b/m4/futimens.m4 @@ -0,0 +1,59 @@ +# serial 6 +# See if we need to provide futimens replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_FUTIMENS], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([futimens]) + if test $ac_cv_func_futimens = no; then + HAVE_FUTIMENS=0 + else + AC_CACHE_CHECK([whether futimens works], + [gl_cv_func_futimens_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <fcntl.h> +#include <sys/stat.h> +#include <unistd.h> +#include <errno.h> +]], [[struct timespec ts[2] = { { 1, UTIME_OMIT }, { 1, UTIME_NOW } }; + int fd = creat ("conftest.file", 0600); + struct stat st; + if (fd < 0) return 1; + errno = 0; + if (futimens (AT_FDCWD, NULL) == 0) return 2; + if (errno != EBADF) return 3; + if (futimens (fd, ts)) return 4; + sleep (1); + ts[0].tv_nsec = UTIME_NOW; + ts[1].tv_nsec = UTIME_OMIT; + if (futimens (fd, ts)) return 5; + if (fstat (fd, &st)) return 6; + if (st.st_ctime < st.st_atime) return 7; + ]])], +dnl FIXME: simplify this in 2012, when file system bugs are no longer common + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#ifdef __linux__ +/* The Linux kernel added futimens in 2.6.22, but has bugs with UTIME_OMIT + in several file systems as recently as 2.6.32. Always replace futimens + to support older kernels. */ +choke me +#endif + ]])], + [gl_cv_func_futimens_works=yes], + [gl_cv_func_futimens_works="needs runtime check"])], + [gl_cv_func_futimens_works=no], + [gl_cv_func_futimens_works="guessing no"]) + rm -f conftest.file]) + if test "$gl_cv_func_futimens_works" != yes; then + REPLACE_FUTIMENS=1 + fi + fi +]) diff --git a/m4/getaddrinfo.m4 b/m4/getaddrinfo.m4 new file mode 100644 index 00000000..9cd3e675 --- /dev/null +++ b/m4/getaddrinfo.m4 @@ -0,0 +1,210 @@ +# getaddrinfo.m4 serial 29 +dnl Copyright (C) 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_GETADDRINFO], +[ + AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H + AC_REQUIRE([gl_HEADER_NETDB])dnl for HAVE_NETDB_H + AC_MSG_NOTICE([checking how to do getaddrinfo, freeaddrinfo and getnameinfo]) + GETADDRINFO_LIB= + gai_saved_LIBS="$LIBS" + + dnl Where is getaddrinfo()? + dnl - On Solaris, it is in libsocket. + dnl - On Haiku, it is in libnetwork. + dnl - On BeOS, it is in libnet. + dnl - On native Windows, it is in ws2_32.dll. + dnl - Otherwise it is in libc. + AC_SEARCH_LIBS([getaddrinfo], [socket network net], + [if test "$ac_cv_search_getaddrinfo" != "none required"; then + GETADDRINFO_LIB="$ac_cv_search_getaddrinfo" + fi]) + LIBS="$gai_saved_LIBS $GETADDRINFO_LIB" + + HAVE_GETADDRINFO=1 + AC_CACHE_CHECK([for getaddrinfo], [gl_cv_func_getaddrinfo], [ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#include <stddef.h> +]], [[getaddrinfo("", "", NULL, NULL);]])], + [gl_cv_func_getaddrinfo=yes], + [gl_cv_func_getaddrinfo=no])]) + if test $gl_cv_func_getaddrinfo = no; then + AC_CACHE_CHECK([for getaddrinfo in ws2tcpip.h and -lws2_32], + gl_cv_w32_getaddrinfo, [ + gl_cv_w32_getaddrinfo=no + am_save_LIBS="$LIBS" + LIBS="$LIBS -lws2_32" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +#include <stddef.h> +]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])], [gl_cv_w32_getaddrinfo=yes]) + LIBS="$am_save_LIBS" + ]) + if test "$gl_cv_w32_getaddrinfo" = "yes"; then + GETADDRINFO_LIB="-lws2_32" + LIBS="$gai_saved_LIBS $GETADDRINFO_LIB" + else + HAVE_GETADDRINFO=0 + fi + fi + + # We can't use AC_REPLACE_FUNCS here because gai_strerror may be an + # inline function declared in ws2tcpip.h, so we need to get that + # header included somehow. + AC_CHECK_DECLS([gai_strerror], [], [], [[ +#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +#include <stddef.h> +]]) + if test $ac_cv_have_decl_gai_strerror = yes; then + AC_CHECK_DECLS([gai_strerrorA], [], [], [[ +#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +#include <stddef.h> +]]) + dnl check for correct signature + AC_CACHE_CHECK([for gai_strerror with POSIX signature], + [gl_cv_func_gai_strerror_posix_signature], [ + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +#include <stddef.h> +extern +#ifdef __cplusplus +"C" +#endif +const char *gai_strerror(int);]])], + [gl_cv_func_gai_strerror_posix_signature=yes], + [gl_cv_func_gai_strerror_posix_signature=no])]) + if test $gl_cv_func_gai_strerror_posix_signature = no; then + REPLACE_GAI_STRERROR=1 + fi + fi + + LIBS="$gai_saved_LIBS" + + gl_PREREQ_GETADDRINFO + + AC_SUBST([GETADDRINFO_LIB]) +]) + +# Prerequisites of lib/netdb.in.h and lib/getaddrinfo.c. +AC_DEFUN([gl_PREREQ_GETADDRINFO], [ + AC_REQUIRE([gl_NETDB_H_DEFAULTS]) + AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H + AC_REQUIRE([gl_HOSTENT]) dnl for HOSTENT_LIB + AC_REQUIRE([gl_SERVENT]) dnl for SERVENT_LIB + AC_REQUIRE([gl_FUNC_INET_NTOP]) dnl for INET_NTOP_LIB + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([gl_SOCKET_FAMILIES]) + AC_REQUIRE([gl_HEADER_SYS_SOCKET]) + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl Including sys/socket.h is wrong for Windows, but Windows does not + dnl have sa_len so the result is correct anyway. + AC_CHECK_MEMBERS([struct sockaddr.sa_len], , , [ +#include <sys/types.h> +#include <sys/socket.h> +]) + + AC_CHECK_HEADERS_ONCE([netinet/in.h]) + + AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, getnameinfo],,,[[ + /* sys/types.h is not needed according to POSIX, but the + sys/socket.h in i386-unknown-freebsd4.10 and + powerpc-apple-darwin5.5 required it. */ +#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +]]) + if test $ac_cv_have_decl_getaddrinfo = no; then + HAVE_DECL_GETADDRINFO=0 + fi + if test $ac_cv_have_decl_freeaddrinfo = no; then + HAVE_DECL_FREEADDRINFO=0 + fi + if test $ac_cv_have_decl_gai_strerror = no; then + HAVE_DECL_GAI_STRERROR=0 + fi + if test $ac_cv_have_decl_getnameinfo = no; then + HAVE_DECL_GETNAMEINFO=0 + fi + + AC_CHECK_TYPES([struct addrinfo],,,[ +#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +]) + if test $ac_cv_type_struct_addrinfo = no; then + HAVE_STRUCT_ADDRINFO=0 + fi + + dnl Append $HOSTENT_LIB to GETADDRINFO_LIB, avoiding gratuitous duplicates. + case " $GETADDRINFO_LIB " in + *" $HOSTENT_LIB "*) ;; + *) GETADDRINFO_LIB="$GETADDRINFO_LIB $HOSTENT_LIB" ;; + esac + + dnl Append $SERVENT_LIB to GETADDRINFO_LIB, avoiding gratuitous duplicates. + case " $GETADDRINFO_LIB " in + *" $SERVENT_LIB "*) ;; + *) GETADDRINFO_LIB="$GETADDRINFO_LIB $SERVENT_LIB" ;; + esac + + dnl Append $INET_NTOP_LIB to GETADDRINFO_LIB, avoiding gratuitous duplicates. + case " $GETADDRINFO_LIB " in + *" $INET_NTOP_LIB "*) ;; + *) GETADDRINFO_LIB="$GETADDRINFO_LIB $INET_NTOP_LIB" ;; + esac +]) diff --git a/m4/getcwd-abort-bug.m4 b/m4/getcwd-abort-bug.m4 new file mode 100644 index 00000000..4146754c --- /dev/null +++ b/m4/getcwd-abort-bug.m4 @@ -0,0 +1,129 @@ +# serial 7 +# Determine whether getcwd aborts when the length of the working directory +# name is unusually large. Any length between 4k and 16k trigger the bug +# when using glibc-2.4.90-9 or older. + +# Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# From Jim Meyering + +# gl_FUNC_GETCWD_ABORT_BUG([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +AC_DEFUN([gl_FUNC_GETCWD_ABORT_BUG], +[ + AC_CHECK_DECLS_ONCE([getcwd]) + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ]) + AC_CHECK_FUNCS([getpagesize]) + AC_CACHE_CHECK([whether getcwd aborts when 4k < cwd_length < 16k], + gl_cv_func_getcwd_abort_bug, + [# Remove any remnants of a previous test. + rm -rf confdir-14B--- + # Arrange for deletion of the temporary directory this test creates. + ac_clean_files="$ac_clean_files confdir-14B---" + dnl Please keep this in sync with tests/test-getcwd.c. + AC_RUN_IFELSE( + [AC_LANG_SOURCE( + [[ +#include <stdlib.h> +#if HAVE_UNISTD_H +# include <unistd.h> +#else /* on Windows with MSVC */ +# include <direct.h> +#endif +#include <string.h> +#include <sys/stat.h> + +]gl_PATHMAX_SNIPPET[ + +/* Don't get link errors because mkdir is redefined to rpl_mkdir. */ +#undef mkdir + +#ifndef S_IRWXU +# define S_IRWXU 0700 +#endif + +/* FIXME: skip the run-test altogether on systems without getpagesize. */ +#if ! HAVE_GETPAGESIZE +# define getpagesize() 0 +#endif + +/* This size is chosen to be larger than PATH_MAX (4k), yet smaller than + the 16kB pagesize on ia64 linux. Those conditions make the code below + trigger a bug in glibc's getcwd implementation before 2.4.90-10. */ +#define TARGET_LEN (5 * 1024) + +int +main () +{ + char const *dir_name = "confdir-14B---"; + char *cwd; + size_t initial_cwd_len; + int fail = 0; + size_t desired_depth; + size_t d; + + /* The bug is triggered when PATH_MAX < getpagesize (), so skip + this relatively expensive and invasive test if that's not true. */ + if (getpagesize () <= PATH_MAX) + return 0; + + cwd = getcwd (NULL, 0); + if (cwd == NULL) + return 2; + + initial_cwd_len = strlen (cwd); + free (cwd); + desired_depth = ((TARGET_LEN - 1 - initial_cwd_len) + / (1 + strlen (dir_name))); + for (d = 0; d < desired_depth; d++) + { + if (mkdir (dir_name, S_IRWXU) < 0 || chdir (dir_name) < 0) + { + fail = 3; /* Unable to construct deep hierarchy. */ + break; + } + } + + /* If libc has the bug in question, this invocation of getcwd + results in a failed assertion. */ + cwd = getcwd (NULL, 0); + if (cwd == NULL) + fail = 4; /* getcwd failed: it refuses to return a string longer + than PATH_MAX. */ + free (cwd); + + /* Call rmdir first, in case the above chdir failed. */ + rmdir (dir_name); + while (0 < d--) + { + if (chdir ("..") < 0) + { + fail = 5; + break; + } + rmdir (dir_name); + } + + return fail; +} + ]])], + [gl_cv_func_getcwd_abort_bug=no], + [dnl An abort will provoke an exit code of something like 134 (128 + 6). + dnl An exit code of 4 can also occur (in OpenBSD 4.9, NetBSD 5.1 for + dnl example): getcwd (NULL, 0) fails rather than returning a string + dnl longer than PATH_MAX. This may be POSIX compliant (in some + dnl interpretations of POSIX). But gnulib's getcwd module wants to + dnl provide a non-NULL value in this case. + ret=$? + if test $ret -ge 128 || test $ret = 4; then + gl_cv_func_getcwd_abort_bug=yes + else + gl_cv_func_getcwd_abort_bug=no + fi], + [gl_cv_func_getcwd_abort_bug=yes]) + ]) + AS_IF([test $gl_cv_func_getcwd_abort_bug = yes], [$1], [$2]) +]) diff --git a/m4/getcwd-path-max.m4 b/m4/getcwd-path-max.m4 new file mode 100644 index 00000000..68975617 --- /dev/null +++ b/m4/getcwd-path-max.m4 @@ -0,0 +1,201 @@ +# serial 19 +# Check for several getcwd bugs with long file names. +# If so, arrange to compile the wrapper function. + +# This is necessary for at least GNU libc on linux-2.4.19 and 2.4.20. +# I've heard that this is due to a Linux kernel bug, and that it has +# been fixed between 2.4.21-pre3 and 2.4.21-pre4. + +# Copyright (C) 2003-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# From Jim Meyering + +AC_DEFUN([gl_FUNC_GETCWD_PATH_MAX], +[ + AC_CHECK_DECLS_ONCE([getcwd]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_REQUIRE([gl_PATHMAX_SNIPPET_PREREQ]) + AC_CACHE_CHECK([whether getcwd handles long file names properly], + gl_cv_func_getcwd_path_max, + [# Arrange for deletion of the temporary directory this test creates. + ac_clean_files="$ac_clean_files confdir3" + dnl Please keep this in sync with tests/test-getcwd.c. + AC_RUN_IFELSE( + [AC_LANG_SOURCE( + [[ +#include <errno.h> +#include <stdlib.h> +#if HAVE_UNISTD_H +# include <unistd.h> +#else +# include <direct.h> +#endif +#include <string.h> +#include <limits.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <fcntl.h> + +]gl_PATHMAX_SNIPPET[ + +#ifndef AT_FDCWD +# define AT_FDCWD 0 +#endif +#ifdef ENAMETOOLONG +# define is_ENAMETOOLONG(x) ((x) == ENAMETOOLONG) +#else +# define is_ENAMETOOLONG(x) 0 +#endif + +/* Don't get link errors because mkdir is redefined to rpl_mkdir. */ +#undef mkdir + +#ifndef S_IRWXU +# define S_IRWXU 0700 +#endif + +/* The length of this name must be 8. */ +#define DIR_NAME "confdir3" +#define DIR_NAME_LEN 8 +#define DIR_NAME_SIZE (DIR_NAME_LEN + 1) + +/* The length of "../". */ +#define DOTDOTSLASH_LEN 3 + +/* Leftover bytes in the buffer, to work around library or OS bugs. */ +#define BUF_SLOP 20 + +int +main () +{ +#ifndef PATH_MAX + /* The Hurd doesn't define this, so getcwd can't exhibit the bug -- + at least not on a local file system. And if we were to start worrying + about remote file systems, we'd have to enable the wrapper function + all of the time, just to be safe. That's not worth the cost. */ + exit (0); +#elif ((INT_MAX / (DIR_NAME_SIZE / DOTDOTSLASH_LEN + 1) \ + - DIR_NAME_SIZE - BUF_SLOP) \ + <= PATH_MAX) + /* FIXME: Assuming there's a system for which this is true, + this should be done in a compile test. */ + exit (0); +#else + char buf[PATH_MAX * (DIR_NAME_SIZE / DOTDOTSLASH_LEN + 1) + + DIR_NAME_SIZE + BUF_SLOP]; + char *cwd = getcwd (buf, PATH_MAX); + size_t initial_cwd_len; + size_t cwd_len; + int fail = 0; + size_t n_chdirs = 0; + + if (cwd == NULL) + exit (10); + + cwd_len = initial_cwd_len = strlen (cwd); + + while (1) + { + size_t dotdot_max = PATH_MAX * (DIR_NAME_SIZE / DOTDOTSLASH_LEN); + char *c = NULL; + + cwd_len += DIR_NAME_SIZE; + /* If mkdir or chdir fails, it could be that this system cannot create + any file with an absolute name longer than PATH_MAX, such as cygwin. + If so, leave fail as 0, because the current working directory can't + be too long for getcwd if it can't even be created. For other + errors, be pessimistic and consider that as a failure, too. */ + if (mkdir (DIR_NAME, S_IRWXU) < 0 || chdir (DIR_NAME) < 0) + { + if (! (errno == ERANGE || is_ENAMETOOLONG (errno))) + fail = 20; + break; + } + + if (PATH_MAX <= cwd_len && cwd_len < PATH_MAX + DIR_NAME_SIZE) + { + c = getcwd (buf, PATH_MAX); + if (!c && errno == ENOENT) + { + fail = 11; + break; + } + if (c) + { + fail = 31; + break; + } + if (! (errno == ERANGE || is_ENAMETOOLONG (errno))) + { + fail = 21; + break; + } + } + + if (dotdot_max <= cwd_len - initial_cwd_len) + { + if (dotdot_max + DIR_NAME_SIZE < cwd_len - initial_cwd_len) + break; + c = getcwd (buf, cwd_len + 1); + if (!c) + { + if (! (errno == ERANGE || errno == ENOENT + || is_ENAMETOOLONG (errno))) + { + fail = 22; + break; + } + if (AT_FDCWD || errno == ERANGE || errno == ENOENT) + { + fail = 12; + break; + } + } + } + + if (c && strlen (c) != cwd_len) + { + fail = 23; + break; + } + ++n_chdirs; + } + + /* Leaving behind such a deep directory is not polite. + So clean up here, right away, even though the driving + shell script would also clean up. */ + { + size_t i; + + /* Try rmdir first, in case the chdir failed. */ + rmdir (DIR_NAME); + for (i = 0; i <= n_chdirs; i++) + { + if (chdir ("..") < 0) + break; + if (rmdir (DIR_NAME) != 0) + break; + } + } + + exit (fail); +#endif +} + ]])], + [gl_cv_func_getcwd_path_max=yes], + [case $? in + 10|11|12) gl_cv_func_getcwd_path_max='no, but it is partly working';; + 31) gl_cv_func_getcwd_path_max='no, it has the AIX bug';; + *) gl_cv_func_getcwd_path_max=no;; + esac], + [case "$host_os" in + aix*) gl_cv_func_getcwd_path_max='no, it has the AIX bug';; + *) gl_cv_func_getcwd_path_max=no;; + esac]) + ]) +]) diff --git a/m4/getcwd.m4 b/m4/getcwd.m4 new file mode 100644 index 00000000..50b96c66 --- /dev/null +++ b/m4/getcwd.m4 @@ -0,0 +1,155 @@ +# getcwd.m4 - check for working getcwd that is compatible with glibc + +# Copyright (C) 2001, 2003-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. +# serial 12 + +AC_DEFUN([gl_FUNC_GETCWD_NULL], + [ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CACHE_CHECK([whether getcwd (NULL, 0) allocates memory for result], + [gl_cv_func_getcwd_null], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +# if HAVE_UNISTD_H +# include <unistd.h> +# else /* on Windows with MSVC */ +# include <direct.h> +# endif +# ifndef getcwd + char *getcwd (); +# endif +]], [[ +#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ +/* mingw cwd does not start with '/', but getcwd does allocate. + However, mingw fails to honor non-zero size. */ +#else + if (chdir ("/") != 0) + return 1; + else + { + char *f = getcwd (NULL, 0); + if (! f) + return 2; + if (f[0] != '/') + return 3; + if (f[1] != '\0') + return 4; + return 0; + } +#endif + ]])], + [gl_cv_func_getcwd_null=yes], + [gl_cv_func_getcwd_null=no], + [[case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_getcwd_null="guessing yes";; + # Guess yes on Cygwin. + cygwin*) gl_cv_func_getcwd_null="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_getcwd_null="guessing no";; + esac + ]])]) +]) + +AC_DEFUN([gl_FUNC_GETCWD_SIGNATURE], +[ + AC_CACHE_CHECK([for getcwd with POSIX signature], + [gl_cv_func_getcwd_posix_signature], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h>]], + [[extern + #ifdef __cplusplus + "C" + #endif + char *getcwd (char *, size_t); + ]]) + ], + [gl_cv_func_getcwd_posix_signature=yes], + [gl_cv_func_getcwd_posix_signature=no]) + ]) +]) + +dnl Guarantee that getcwd will malloc with a NULL first argument. Assumes +dnl that either the system getcwd is robust, or that calling code is okay +dnl with spurious failures when run from a directory with an absolute name +dnl larger than 4k bytes. +dnl +dnl Assumes that getcwd exists; if you are worried about obsolete +dnl platforms that lacked getcwd(), then you need to use the GPL module. +AC_DEFUN([gl_FUNC_GETCWD_LGPL], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_GETCWD_NULL]) + AC_REQUIRE([gl_FUNC_GETCWD_SIGNATURE]) + + case $gl_cv_func_getcwd_null,$gl_cv_func_getcwd_posix_signature in + *yes,yes) ;; + *) + dnl Minimal replacement lib/getcwd-lgpl.c. + REPLACE_GETCWD=1 + ;; + esac +]) + +dnl Check for all known getcwd bugs; useful for a program likely to be +dnl executed from an arbitrary location. +AC_DEFUN([gl_FUNC_GETCWD], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_GETCWD_NULL]) + AC_REQUIRE([gl_FUNC_GETCWD_SIGNATURE]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + gl_abort_bug=no + case "$host_os" in + mingw*) + gl_cv_func_getcwd_path_max=yes + ;; + *) + gl_FUNC_GETCWD_PATH_MAX + case "$gl_cv_func_getcwd_null" in + *yes) + gl_FUNC_GETCWD_ABORT_BUG([gl_abort_bug=yes]) + ;; + esac + ;; + esac + dnl Define HAVE_MINIMALLY_WORKING_GETCWD and HAVE_PARTLY_WORKING_GETCWD + dnl if appropriate. + case "$gl_cv_func_getcwd_path_max" in + "no, it has the AIX bug") ;; + *) + AC_DEFINE([HAVE_MINIMALLY_WORKING_GETCWD], [1], + [Define to 1 if getcwd minimally works, that is, its result can be + trusted when it succeeds.]) + ;; + esac + case "$gl_cv_func_getcwd_path_max" in + "no, but it is partly working") + AC_DEFINE([HAVE_PARTLY_WORKING_GETCWD], [1], + [Define to 1 if getcwd works, except it sometimes fails when it + shouldn't, setting errno to ERANGE, ENAMETOOLONG, or ENOENT.]) + ;; + esac + + if { case "$gl_cv_func_getcwd_null" in *yes) false;; *) true;; esac; } \ + || test $gl_cv_func_getcwd_posix_signature != yes \ + || test "$gl_cv_func_getcwd_path_max" != yes \ + || test $gl_abort_bug = yes; then + REPLACE_GETCWD=1 + fi +]) + +# Prerequisites of lib/getcwd.c, when full replacement is in effect. +AC_DEFUN([gl_PREREQ_GETCWD], +[ + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO]) + : +]) diff --git a/m4/getdelim.m4 b/m4/getdelim.m4 new file mode 100644 index 00000000..a6f48721 --- /dev/null +++ b/m4/getdelim.m4 @@ -0,0 +1,88 @@ +# getdelim.m4 serial 10 + +dnl Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. +dnl +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_PREREQ([2.59]) + +AC_DEFUN([gl_FUNC_GETDELIM], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + + dnl Persuade glibc <stdio.h> to declare getdelim(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([getdelim]) + + AC_CHECK_FUNCS_ONCE([getdelim]) + if test $ac_cv_func_getdelim = yes; then + HAVE_GETDELIM=1 + dnl Found it in some library. Verify that it works. + AC_CACHE_CHECK([for working getdelim function], [gl_cv_func_working_getdelim], + [echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +# include <stdio.h> +# include <stdlib.h> +# include <string.h> + int main () + { + FILE *in = fopen ("./conftest.data", "r"); + if (!in) + return 1; + { + /* Test result for a NULL buffer and a zero size. + Based on a test program from Karl Heuer. */ + char *line = NULL; + size_t siz = 0; + int len = getdelim (&line, &siz, '\n', in); + if (!(len == 4 && line && strcmp (line, "foo\n") == 0)) + return 2; + } + { + /* Test result for a NULL buffer and a non-zero size. + This crashes on FreeBSD 8.0. */ + char *line = NULL; + size_t siz = (size_t)(~0) / 4; + if (getdelim (&line, &siz, '\n', in) == -1) + return 3; + } + return 0; + } + ]])], [gl_cv_func_working_getdelim=yes] dnl The library version works. + , [gl_cv_func_working_getdelim=no] dnl The library version does NOT work. + , dnl We're cross compiling. Assume it works on glibc2 systems. + [AC_EGREP_CPP([Lucky GNU user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ >= 2) && !defined __UCLIBC__ + Lucky GNU user + #endif +#endif + ], + [gl_cv_func_working_getdelim="guessing yes"], + [gl_cv_func_working_getdelim="guessing no"])] + )]) + case "$gl_cv_func_working_getdelim" in + *no) + REPLACE_GETDELIM=1 + ;; + esac + else + HAVE_GETDELIM=0 + fi + + if test $ac_cv_have_decl_getdelim = no; then + HAVE_DECL_GETDELIM=0 + fi +]) + +# Prerequisites of lib/getdelim.c. +AC_DEFUN([gl_PREREQ_GETDELIM], +[ + AC_CHECK_FUNCS([flockfile funlockfile]) + AC_CHECK_DECLS([getc_unlocked]) +]) diff --git a/m4/getdtablesize.m4 b/m4/getdtablesize.m4 new file mode 100644 index 00000000..81488ba5 --- /dev/null +++ b/m4/getdtablesize.m4 @@ -0,0 +1,19 @@ +# getdtablesize.m4 serial 3 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_GETDTABLESIZE], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([getdtablesize]) + if test $ac_cv_func_getdtablesize != yes; then + HAVE_GETDTABLESIZE=0 + fi +]) + +# Prerequisites of lib/getdtablesize.c. +AC_DEFUN([gl_PREREQ_GETDTABLESIZE], [ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/getgroups.m4 b/m4/getgroups.m4 new file mode 100644 index 00000000..17473af4 --- /dev/null +++ b/m4/getgroups.m4 @@ -0,0 +1,107 @@ +# serial 18 + +dnl From Jim Meyering. +dnl A wrapper around AC_FUNC_GETGROUPS. + +# Copyright (C) 1996-1997, 1999-2004, 2008-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +m4_version_prereq([2.70], [] ,[ + +# This is taken from the following Autoconf patch: +# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9 +AC_DEFUN([AC_FUNC_GETGROUPS], +[ + AC_REQUIRE([AC_TYPE_GETGROUPS])dnl + AC_REQUIRE([AC_TYPE_SIZE_T])dnl + AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles + AC_CHECK_FUNC([getgroups]) + + # If we don't yet have getgroups, see if it's in -lbsd. + # This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1. + ac_save_LIBS=$LIBS + if test $ac_cv_func_getgroups = no; then + AC_CHECK_LIB(bsd, getgroups, [GETGROUPS_LIB=-lbsd]) + fi + + # Run the program to test the functionality of the system-supplied + # getgroups function only if there is such a function. + if test $ac_cv_func_getgroups = yes; then + AC_CACHE_CHECK([for working getgroups], [ac_cv_func_getgroups_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT], + [[/* On Ultrix 4.3, getgroups (0, 0) always fails. */ + return getgroups (0, 0) == -1;]]) + ], + [ac_cv_func_getgroups_works=yes], + [ac_cv_func_getgroups_works=no], + [case "$host_os" in # (( + # Guess yes on glibc systems. + *-gnu*) ac_cv_func_getgroups_works="guessing yes" ;; + # If we don't know, assume the worst. + *) ac_cv_func_getgroups_works="guessing no" ;; + esac + ]) + ]) + else + ac_cv_func_getgroups_works=no + fi + case "$ac_cv_func_getgroups_works" in + *yes) + AC_DEFINE([HAVE_GETGROUPS], [1], + [Define to 1 if your system has a working `getgroups' function.]) + ;; + esac + LIBS=$ac_save_LIBS +])# AC_FUNC_GETGROUPS + +]) + +AC_DEFUN([gl_FUNC_GETGROUPS], +[ + AC_REQUIRE([AC_TYPE_GETGROUPS]) + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_FUNC_GETGROUPS + if test $ac_cv_func_getgroups != yes; then + HAVE_GETGROUPS=0 + else + if test "$ac_cv_type_getgroups" != gid_t \ + || { case "$ac_cv_func_getgroups_works" in + *yes) false;; + *) true;; + esac + }; then + REPLACE_GETGROUPS=1 + AC_DEFINE([GETGROUPS_ZERO_BUG], [1], [Define this to 1 if + getgroups(0,NULL) does not return the number of groups.]) + else + dnl Detect FreeBSD bug; POSIX requires getgroups(-1,ptr) to fail. + AC_CACHE_CHECK([whether getgroups handles negative values], + [gl_cv_func_getgroups_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], + [[int size = getgroups (0, 0); + gid_t *list = malloc (size * sizeof *list); + return getgroups (-1, list) != -1;]])], + [gl_cv_func_getgroups_works=yes], + [gl_cv_func_getgroups_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_getgroups_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_getgroups_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_getgroups_works" in + *yes) ;; + *) REPLACE_GETGROUPS=1 ;; + esac + fi + fi + test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS" +]) diff --git a/m4/gethostname.m4 b/m4/gethostname.m4 new file mode 100644 index 00000000..9593a850 --- /dev/null +++ b/m4/gethostname.m4 @@ -0,0 +1,107 @@ +# gethostname.m4 serial 13 +dnl Copyright (C) 2002, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Ensure +# - the gethostname() function, +# - the HOST_NAME_MAX macro in <limits.h>. +AC_DEFUN([gl_FUNC_GETHOSTNAME], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + gl_PREREQ_SYS_H_WINSOCK2 + + dnl Where is gethostname() defined? + dnl - On native Windows, it is in ws2_32.dll. + dnl - Otherwise it is in libc. + GETHOSTNAME_LIB= + AC_CHECK_FUNCS([gethostname], , [ + AC_CACHE_CHECK([for gethostname in winsock2.h and -lws2_32], + [gl_cv_w32_gethostname], + [gl_cv_w32_gethostname=no + gl_save_LIBS="$LIBS" + LIBS="$LIBS -lws2_32" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif +#include <stddef.h> +]], [[gethostname(NULL, 0);]])], [gl_cv_w32_gethostname=yes]) + LIBS="$gl_save_LIBS" + ]) + if test "$gl_cv_w32_gethostname" = "yes"; then + GETHOSTNAME_LIB="-lws2_32" + fi + ]) + AC_SUBST([GETHOSTNAME_LIB]) + + if test "$ac_cv_func_gethostname" = no; then + HAVE_GETHOSTNAME=0 + fi + + gl_PREREQ_HOST_NAME_MAX +]) + +# Provide HOST_NAME_MAX when <limits.h> lacks it. +AC_DEFUN([gl_PREREQ_HOST_NAME_MAX], [ + dnl - On most Unix systems, use MAXHOSTNAMELEN from <sys/param.h> instead. + dnl - On Solaris, Cygwin, BeOS, use MAXHOSTNAMELEN from <netdb.h> instead. + dnl - On mingw, use 256, because + dnl <http://msdn.microsoft.com/en-us/library/ms738527.aspx> says: + dnl "if a buffer of 256 bytes is passed in the name parameter and + dnl the namelen parameter is set to 256, the buffer size will always + dnl be adequate." + dnl With this, there is no need to use sysconf (_SC_HOST_NAME_MAX), which + dnl is not a compile-time constant. + dnl We cannot override <limits.h> using the usual technique, because + dnl gl_CHECK_NEXT_HEADERS does not work for <limits.h>. Therefore retrieve + dnl the value of HOST_NAME_MAX at configure time. + AC_CHECK_HEADERS_ONCE([sys/param.h]) + AC_CHECK_HEADERS_ONCE([sys/socket.h]) + AC_CHECK_HEADERS_ONCE([netdb.h]) + AC_CACHE_CHECK([for HOST_NAME_MAX], [gl_cv_decl_HOST_NAME_MAX], [ + gl_cv_decl_HOST_NAME_MAX= + AC_EGREP_CPP([lucky], [ +#include <limits.h> +#ifdef HOST_NAME_MAX +lucky +#endif + ], [gl_cv_decl_HOST_NAME_MAX=yes]) + if test -z "$gl_cv_decl_HOST_NAME_MAX"; then + dnl It's not defined in <limits.h>. Substitute it. + if test "$gl_cv_w32_gethostname" = yes; then + dnl mingw. + gl_cv_decl_HOST_NAME_MAX=256 + else + _AC_COMPUTE_INT([MAXHOSTNAMELEN], [gl_cv_decl_HOST_NAME_MAX], [ +#include <sys/types.h> +#if HAVE_SYS_PARAM_H +# include <sys/param.h> +#endif +#if HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#endif +#if HAVE_NETDB_H +# include <netdb.h> +#endif +], + [dnl The system does not define MAXHOSTNAMELEN in any of the common + dnl headers. Use a safe fallback. + gl_cv_decl_HOST_NAME_MAX=256 + ]) + fi + fi + ]) + if test "$gl_cv_decl_HOST_NAME_MAX" != yes; then + AC_DEFINE_UNQUOTED([HOST_NAME_MAX], [$gl_cv_decl_HOST_NAME_MAX], + [Define HOST_NAME_MAX when <limits.h> does not define it.]) + fi +]) + +# Prerequisites of lib/gethostname.c. +AC_DEFUN([gl_PREREQ_GETHOSTNAME], [ + if test "$gl_cv_w32_gethostname" != "yes"; then + AC_CHECK_FUNCS([uname]) + fi +]) diff --git a/m4/gethrxtime.m4 b/m4/gethrxtime.m4 new file mode 100644 index 00000000..6a54ee0f --- /dev/null +++ b/m4/gethrxtime.m4 @@ -0,0 +1,73 @@ +# gethrxtime.m4 serial 11 +dnl Copyright (C) 2005-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_GETHRXTIME], +[ + AC_REQUIRE([gl_ARITHMETIC_HRTIME_T]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_XTIME]) + AC_CHECK_DECLS([gethrtime], [], [], [[#include <time.h>]]) + LIB_GETHRXTIME= + if test $ac_cv_have_decl_gethrtime = no \ + || test $gl_cv_arithmetic_hrtime_t = no; then + dnl Find libraries needed to link lib/gethrxtime.c. + AC_REQUIRE([gl_CLOCK_TIME]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([nanouptime]) + if test $ac_cv_func_nanouptime != yes; then + AC_CACHE_CHECK([whether CLOCK_MONOTONIC or CLOCK_REALTIME is defined], + [gl_cv_have_clock_gettime_macro], + [AC_EGREP_CPP([have_clock_gettime_macro], + [ +# include <time.h> +# if defined CLOCK_MONOTONIC || defined CLOCK_REALTIME + have_clock_gettime_macro +# endif + ], + [gl_cv_have_clock_gettime_macro=yes], + [gl_cv_have_clock_gettime_macro=no])]) + if test $gl_cv_have_clock_gettime_macro = yes; then + LIB_GETHRXTIME=$LIB_CLOCK_GETTIME + fi + fi + fi + AC_SUBST([LIB_GETHRXTIME]) +]) + +# Test whether hrtime_t is an arithmetic type. +# It is not arithmetic in older Solaris c89 (which insists on +# not having a long long int type). +AC_DEFUN([gl_ARITHMETIC_HRTIME_T], +[ + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CACHE_CHECK([for arithmetic hrtime_t], [gl_cv_arithmetic_hrtime_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <time.h>]], + [[hrtime_t x = 0; return x/x;]])], + [gl_cv_arithmetic_hrtime_t=yes], + [gl_cv_arithmetic_hrtime_t=no])]) + if test $gl_cv_arithmetic_hrtime_t = yes; then + AC_DEFINE([HAVE_ARITHMETIC_HRTIME_T], [1], + [Define if you have an arithmetic hrtime_t type.]) + fi +]) + +# Prerequisites of lib/xtime.h. +AC_DEFUN([gl_XTIME], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + : +]) + +# Prerequisites of lib/gethrxtime.c. +AC_DEFUN([gl_PREREQ_GETHRXTIME], +[ + AC_CHECK_FUNCS_ONCE([microuptime]) + : +]) diff --git a/m4/getline.m4 b/m4/getline.m4 new file mode 100644 index 00000000..72fbc9d4 --- /dev/null +++ b/m4/getline.m4 @@ -0,0 +1,96 @@ +# getline.m4 serial 26 + +dnl Copyright (C) 1998-2003, 2005-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_PREREQ([2.59]) + +dnl See if there's a working, system-supplied version of the getline function. +dnl We can't just do AC_REPLACE_FUNCS([getline]) because some systems +dnl have a function by that name in -linet that doesn't have anything +dnl to do with the function we need. +AC_DEFUN([gl_FUNC_GETLINE], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + + dnl Persuade glibc <stdio.h> to declare getline(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([getline]) + + gl_getline_needs_run_time_check=no + AC_CHECK_FUNC([getline], + [dnl Found it in some library. Verify that it works. + gl_getline_needs_run_time_check=yes], + [am_cv_func_working_getline=no]) + if test $gl_getline_needs_run_time_check = yes; then + AC_CACHE_CHECK([for working getline function], [am_cv_func_working_getline], + [echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +# include <stdio.h> +# include <stdlib.h> +# include <string.h> + int main () + { + FILE *in = fopen ("./conftest.data", "r"); + if (!in) + return 1; + { + /* Test result for a NULL buffer and a zero size. + Based on a test program from Karl Heuer. */ + char *line = NULL; + size_t siz = 0; + int len = getline (&line, &siz, in); + if (!(len == 4 && line && strcmp (line, "foo\n") == 0)) + return 2; + } + { + /* Test result for a NULL buffer and a non-zero size. + This crashes on FreeBSD 8.0. */ + char *line = NULL; + size_t siz = (size_t)(~0) / 4; + if (getline (&line, &siz, in) == -1) + return 3; + } + return 0; + } + ]])], [am_cv_func_working_getline=yes] dnl The library version works. + , [am_cv_func_working_getline=no] dnl The library version does NOT work. + , dnl We're cross compiling. Assume it works on glibc2 systems. + [AC_EGREP_CPP([Lucky GNU user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ >= 2) && !defined __UCLIBC__ + Lucky GNU user + #endif +#endif + ], + [am_cv_func_working_getline="guessing yes"], + [am_cv_func_working_getline="guessing no"])] + )]) + fi + + if test $ac_cv_have_decl_getline = no; then + HAVE_DECL_GETLINE=0 + fi + + case "$am_cv_func_working_getline" in + *no) + dnl Set REPLACE_GETLINE always: Even if we have not found the broken + dnl getline function among $LIBS, it may exist in libinet and the + dnl executable may be linked with -linet. + REPLACE_GETLINE=1 + ;; + esac +]) + +# Prerequisites of lib/getline.c. +AC_DEFUN([gl_PREREQ_GETLINE], +[ + : +]) diff --git a/m4/getloadavg.m4 b/m4/getloadavg.m4 new file mode 100644 index 00000000..ad09c80d --- /dev/null +++ b/m4/getloadavg.m4 @@ -0,0 +1,154 @@ +# Check for getloadavg. + +# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2012 Free Software +# Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +#serial 5 + +# Autoconf defines AC_FUNC_GETLOADAVG, but that is obsolescent. +# New applications should use gl_GETLOADAVG instead. + +# gl_GETLOADAVG +# ------------- +AC_DEFUN([gl_GETLOADAVG], +[AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + +# Persuade glibc <stdlib.h> to declare getloadavg(). +AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + +gl_save_LIBS=$LIBS + +# getloadvg is present in libc on glibc >= 2.2, MacOS X, FreeBSD >= 2.0, +# NetBSD >= 0.9, OpenBSD >= 2.0, Solaris >= 7. +HAVE_GETLOADAVG=1 +AC_CHECK_FUNC([getloadavg], [], + [gl_func_getloadavg_done=no + + # Some systems with -lutil have (and need) -lkvm as well, some do not. + # On Solaris, -lkvm requires nlist from -lelf, so check that first + # to get the right answer into the cache. + # For kstat on solaris, we need to test for libelf and libkvm to force the + # definition of SVR4 below. + if test $gl_func_getloadavg_done = no; then + AC_CHECK_LIB([elf], [elf_begin], [LIBS="-lelf $LIBS"]) + AC_CHECK_LIB([kvm], [kvm_open], [LIBS="-lkvm $LIBS"]) + # Check for the 4.4BSD definition of getloadavg. + AC_CHECK_LIB([util], [getloadavg], + [LIBS="-lutil $LIBS" gl_func_getloadavg_done=yes]) + fi + + if test $gl_func_getloadavg_done = no; then + # There is a commonly available library for RS/6000 AIX. + # Since it is not a standard part of AIX, it might be installed locally. + gl_getloadavg_LIBS=$LIBS + LIBS="-L/usr/local/lib $LIBS" + AC_CHECK_LIB([getloadavg], [getloadavg], + [LIBS="-lgetloadavg $LIBS" gl_func_getloadavg_done=yes], + [LIBS=$gl_getloadavg_LIBS]) + fi + + # Set up the replacement function if necessary. + if test $gl_func_getloadavg_done = no; then + HAVE_GETLOADAVG=0 + + # Solaris has libkstat which does not require root. + AC_CHECK_LIB([kstat], [kstat_open]) + test $ac_cv_lib_kstat_kstat_open = yes && gl_func_getloadavg_done=yes + + # AIX has libperfstat which does not require root + if test $gl_func_getloadavg_done = no; then + AC_CHECK_LIB([perfstat], [perfstat_cpu_total]) + test $ac_cv_lib_perfstat_perfstat_cpu_total = yes && gl_func_getloadavg_done=yes + fi + + if test $gl_func_getloadavg_done = no; then + AC_CHECK_HEADER([sys/dg_sys_info.h], + [gl_func_getloadavg_done=yes + AC_DEFINE([DGUX], [1], [Define to 1 for DGUX with <sys/dg_sys_info.h>.]) + AC_CHECK_LIB([dgc], [dg_sys_info])]) + fi + fi]) + +if test "x$gl_save_LIBS" = x; then + GETLOADAVG_LIBS=$LIBS +else + GETLOADAVG_LIBS=`echo "$LIBS" | sed "s!$gl_save_LIBS!!"` +fi +LIBS=$gl_save_LIBS + +AC_SUBST([GETLOADAVG_LIBS])dnl + +# Test whether the system declares getloadavg. Solaris has the function +# but declares it in <sys/loadavg.h>, not <stdlib.h>. +AC_CHECK_HEADERS([sys/loadavg.h]) +if test $ac_cv_header_sys_loadavg_h = yes; then + HAVE_SYS_LOADAVG_H=1 +else + HAVE_SYS_LOADAVG_H=0 +fi +AC_CHECK_DECL([getloadavg], [], [HAVE_DECL_GETLOADAVG=0], + [[#if HAVE_SYS_LOADAVG_H + # include <sys/loadavg.h> + #endif + #include <stdlib.h>]]) +])# gl_GETLOADAVG + + +# gl_PREREQ_GETLOADAVG +# -------------------- +# Set up the AC_LIBOBJ replacement of 'getloadavg'. +AC_DEFUN([gl_PREREQ_GETLOADAVG], +[ +# Figure out what our getloadavg.c needs. + +# On HPUX9, an unprivileged user can get load averages this way. +if test $gl_func_getloadavg_done = no; then + AC_CHECK_FUNCS([pstat_getdynamic], [gl_func_getloadavg_done=yes]) +fi + +# We cannot check for <dwarf.h>, because Solaris 2 does not use dwarf (it +# uses stabs), but it is still SVR4. We cannot check for <elf.h> because +# Irix 4.0.5F has the header but not the library. +if test $gl_func_getloadavg_done = no && test "$ac_cv_lib_elf_elf_begin" = yes \ + && test "$ac_cv_lib_kvm_kvm_open" = yes; then + gl_func_getloadavg_done=yes + AC_DEFINE([SVR4], [1], [Define to 1 on System V Release 4.]) +fi + +if test $gl_func_getloadavg_done = no; then + AC_CHECK_HEADER([inq_stats/cpustats.h], + [gl_func_getloadavg_done=yes + AC_DEFINE([UMAX], [1], [Define to 1 for Encore UMAX.]) + AC_DEFINE([UMAX4_3], [1], + [Define to 1 for Encore UMAX 4.3 that has <inq_status/cpustats.h> + instead of <sys/cpustats.h>.])]) +fi + +if test $gl_func_getloadavg_done = no; then + AC_CHECK_HEADER([sys/cpustats.h], + [gl_func_getloadavg_done=yes; AC_DEFINE([UMAX])]) +fi + +if test $gl_func_getloadavg_done = no; then + AC_CHECK_HEADERS([mach/mach.h]) +fi + +AC_CHECK_HEADERS([nlist.h], +[AC_CHECK_MEMBERS([struct nlist.n_un.n_name], + [], [], + [@%:@include <nlist.h>]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <nlist.h>]], + [[struct nlist x; + #ifdef HAVE_STRUCT_NLIST_N_UN_N_NAME + x.n_un.n_name = ""; + #else + x.n_name = ""; + #endif]])], + [AC_DEFINE([N_NAME_POINTER], [1], + [Define to 1 if the nlist n_name member is a pointer])]) +])dnl +])# gl_PREREQ_GETLOADAVG diff --git a/m4/getlogin.m4 b/m4/getlogin.m4 new file mode 100644 index 00000000..afe7a6f4 --- /dev/null +++ b/m4/getlogin.m4 @@ -0,0 +1,14 @@ +# getlogin.m4 serial 3 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_GETLOGIN], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([getlogin]) + if test $ac_cv_func_getlogin = no; then + HAVE_GETLOGIN=0 + fi +]) diff --git a/m4/getndelim2.m4 b/m4/getndelim2.m4 new file mode 100644 index 00000000..b14eb7eb --- /dev/null +++ b/m4/getndelim2.m4 @@ -0,0 +1,20 @@ +# getndelim2.m4 serial 8 +dnl Copyright (C) 2003, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_GETNDELIM2], +[ + gl_PREREQ_GETNDELIM2 + AC_CHECK_FUNCS_ONCE([flockfile]) + AC_CHECK_FUNCS_ONCE([funlockfile]) +]) + +# Prerequisites of lib/getndelim2.h and lib/getndelim2.c. +AC_DEFUN([gl_PREREQ_GETNDELIM2], +[ + dnl Prerequisites of lib/getndelim2.h. + AC_REQUIRE([gt_TYPE_SSIZE_T]) + dnl No prerequisites of lib/getndelim2.c. +]) diff --git a/m4/getopt.m4 b/m4/getopt.m4 new file mode 100644 index 00000000..2aea8959 --- /dev/null +++ b/m4/getopt.m4 @@ -0,0 +1,341 @@ +# getopt.m4 serial 39 +dnl Copyright (C) 2002-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Request a POSIX compliant getopt function. +AC_DEFUN([gl_FUNC_GETOPT_POSIX], +[ + m4_divert_text([DEFAULTS], [gl_getopt_required=POSIX]) + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + dnl Other modules can request the gnulib implementation of the getopt + dnl functions unconditionally, by defining gl_REPLACE_GETOPT_ALWAYS. + dnl argp.m4 does this. + m4_ifdef([gl_REPLACE_GETOPT_ALWAYS], [ + gl_GETOPT_IFELSE([], []) + REPLACE_GETOPT=1 + ], [ + REPLACE_GETOPT=0 + gl_GETOPT_IFELSE([ + REPLACE_GETOPT=1 + ], + []) + ]) + if test $REPLACE_GETOPT = 1; then + dnl Arrange for getopt.h to be created. + gl_GETOPT_SUBSTITUTE_HEADER + fi +]) + +# Request a POSIX compliant getopt function with GNU extensions (such as +# options with optional arguments) and the functions getopt_long, +# getopt_long_only. +AC_DEFUN([gl_FUNC_GETOPT_GNU], +[ + m4_divert_text([INIT_PREPARE], [gl_getopt_required=GNU]) + + AC_REQUIRE([gl_FUNC_GETOPT_POSIX]) +]) + +# emacs' configure.in uses this. +AC_DEFUN([gl_GETOPT_IFELSE], +[ + AC_REQUIRE([gl_GETOPT_CHECK_HEADERS]) + AS_IF([test -n "$gl_replace_getopt"], [$1], [$2]) +]) + +# Determine whether to replace the entire getopt facility. +AC_DEFUN([gl_GETOPT_CHECK_HEADERS], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([AC_PROG_AWK]) dnl for awk that supports ENVIRON + + dnl Persuade Solaris <unistd.h> to declare optarg, optind, opterr, optopt. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + gl_CHECK_NEXT_HEADERS([getopt.h]) + if test $ac_cv_header_getopt_h = yes; then + HAVE_GETOPT_H=1 + else + HAVE_GETOPT_H=0 + fi + AC_SUBST([HAVE_GETOPT_H]) + + gl_replace_getopt= + + dnl Test whether <getopt.h> is available. + if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then + AC_CHECK_HEADERS([getopt.h], [], [gl_replace_getopt=yes]) + fi + + dnl Test whether the function getopt_long is available. + if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then + AC_CHECK_FUNCS([getopt_long_only], [], [gl_replace_getopt=yes]) + fi + + dnl mingw's getopt (in libmingwex.a) does weird things when the options + dnl strings starts with '+' and it's not the first call. Some internal state + dnl is left over from earlier calls, and neither setting optind = 0 nor + dnl setting optreset = 1 get rid of this internal state. + dnl POSIX is silent on optind vs. optreset, so we allow either behavior. + dnl POSIX 2008 does not specify leading '+' behavior, but see + dnl http://austingroupbugs.net/view.php?id=191 for a recommendation on + dnl the next version of POSIX. For now, we only guarantee leading '+' + dnl behavior with getopt-gnu. + if test -z "$gl_replace_getopt"; then + AC_CACHE_CHECK([whether getopt is POSIX compatible], + [gl_cv_func_getopt_posix], + [ + dnl BSD getopt_long uses an incompatible method to reset option + dnl processing. Existence of the optreset variable, in and of + dnl itself, is not a reason to replace getopt, but knowledge + dnl of the variable is needed to determine how to reset and + dnl whether a reset reparses the environment. Solaris + dnl supports neither optreset nor optind=0, but keeps no state + dnl that needs a reset beyond setting optind=1; detect Solaris + dnl by getopt_clip. + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h>]], + [[int *p = &optreset; return optreset;]])], + [gl_optind_min=1], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <getopt.h>]], + [[return !getopt_clip;]])], + [gl_optind_min=1], + [gl_optind_min=0])]) + + dnl This test fails on mingw and succeeds on many other platforms. + gl_save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$CPPFLAGS -DOPTIND_MIN=$gl_optind_min" + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <unistd.h> +#include <stdlib.h> +#include <string.h> + +int +main () +{ + { + static char program[] = "program"; + static char a[] = "-a"; + static char foo[] = "foo"; + static char bar[] = "bar"; + char *argv[] = { program, a, foo, bar, NULL }; + int c; + + optind = OPTIND_MIN; + opterr = 0; + + c = getopt (4, argv, "ab"); + if (!(c == 'a')) + return 1; + c = getopt (4, argv, "ab"); + if (!(c == -1)) + return 2; + if (!(optind == 2)) + return 3; + } + /* Some internal state exists at this point. */ + { + static char program[] = "program"; + static char donald[] = "donald"; + static char p[] = "-p"; + static char billy[] = "billy"; + static char duck[] = "duck"; + static char a[] = "-a"; + static char bar[] = "bar"; + char *argv[] = { program, donald, p, billy, duck, a, bar, NULL }; + int c; + + optind = OPTIND_MIN; + opterr = 0; + + c = getopt (7, argv, "+abp:q:"); + if (!(c == -1)) + return 4; + if (!(strcmp (argv[0], "program") == 0)) + return 5; + if (!(strcmp (argv[1], "donald") == 0)) + return 6; + if (!(strcmp (argv[2], "-p") == 0)) + return 7; + if (!(strcmp (argv[3], "billy") == 0)) + return 8; + if (!(strcmp (argv[4], "duck") == 0)) + return 9; + if (!(strcmp (argv[5], "-a") == 0)) + return 10; + if (!(strcmp (argv[6], "bar") == 0)) + return 11; + if (!(optind == 1)) + return 12; + } + /* Detect MacOS 10.5, AIX 7.1 bug. */ + { + static char program[] = "program"; + static char ab[] = "-ab"; + char *argv[3] = { program, ab, NULL }; + optind = OPTIND_MIN; + opterr = 0; + if (getopt (2, argv, "ab:") != 'a') + return 13; + if (getopt (2, argv, "ab:") != '?') + return 14; + if (optopt != 'b') + return 15; + if (optind != 2) + return 16; + } + + return 0; +} +]])], + [gl_cv_func_getopt_posix=yes], [gl_cv_func_getopt_posix=no], + [case "$host_os" in + mingw*) gl_cv_func_getopt_posix="guessing no";; + darwin* | aix*) gl_cv_func_getopt_posix="guessing no";; + *) gl_cv_func_getopt_posix="guessing yes";; + esac + ]) + CPPFLAGS=$gl_save_CPPFLAGS + ]) + case "$gl_cv_func_getopt_posix" in + *no) gl_replace_getopt=yes ;; + esac + fi + + if test -z "$gl_replace_getopt" && test $gl_getopt_required = GNU; then + AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_getopt_gnu], + [# Even with POSIXLY_CORRECT, the GNU extension of leading '-' in the + # optstring is necessary for programs like m4 that have POSIX-mandated + # semantics for supporting options interspersed with files. + # Also, since getopt_long is a GNU extension, we require optind=0. + # Bash ties 'set -o posix' to a non-exported POSIXLY_CORRECT; + # so take care to revert to the correct (non-)export state. +dnl GNU Coding Standards currently allow awk but not env; besides, env +dnl is ambiguous with environment values that contain newlines. + gl_awk_probe='BEGIN { if ("POSIXLY_CORRECT" in ENVIRON) print "x" }' + case ${POSIXLY_CORRECT+x}`$AWK "$gl_awk_probe" </dev/null` in + xx) gl_had_POSIXLY_CORRECT=exported ;; + x) gl_had_POSIXLY_CORRECT=yes ;; + *) gl_had_POSIXLY_CORRECT= ;; + esac + POSIXLY_CORRECT=1 + export POSIXLY_CORRECT + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[#include <getopt.h> + #include <stddef.h> + #include <string.h> + ]GL_NOCRASH[ + ]], [[ + int result = 0; + + nocrash_init(); + + /* This code succeeds on glibc 2.8, OpenBSD 4.0, Cygwin, mingw, + and fails on MacOS X 10.5, AIX 5.2, HP-UX 11, IRIX 6.5, + OSF/1 5.1, Solaris 10. */ + { + static char conftest[] = "conftest"; + static char plus[] = "-+"; + char *argv[3] = { conftest, plus, NULL }; + opterr = 0; + if (getopt (2, argv, "+a") != '?') + result |= 1; + } + /* This code succeeds on glibc 2.8, mingw, + and fails on MacOS X 10.5, OpenBSD 4.0, AIX 5.2, HP-UX 11, + IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x. */ + { + static char program[] = "program"; + static char p[] = "-p"; + static char foo[] = "foo"; + static char bar[] = "bar"; + char *argv[] = { program, p, foo, bar, NULL }; + + optind = 1; + if (getopt (4, argv, "p::") != 'p') + result |= 2; + else if (optarg != NULL) + result |= 4; + else if (getopt (4, argv, "p::") != -1) + result |= 6; + else if (optind != 2) + result |= 8; + } + /* This code succeeds on glibc 2.8 and fails on Cygwin 1.7.0. */ + { + static char program[] = "program"; + static char foo[] = "foo"; + static char p[] = "-p"; + char *argv[] = { program, foo, p, NULL }; + optind = 0; + if (getopt (3, argv, "-p") != 1) + result |= 16; + else if (getopt (3, argv, "-p") != 'p') + result |= 32; + } + /* This code fails on glibc 2.11. */ + { + static char program[] = "program"; + static char b[] = "-b"; + static char a[] = "-a"; + char *argv[] = { program, b, a, NULL }; + optind = opterr = 0; + if (getopt (3, argv, "+:a:b") != 'b') + result |= 64; + else if (getopt (3, argv, "+:a:b") != ':') + result |= 64; + } + /* This code dumps core on glibc 2.14. */ + { + static char program[] = "program"; + static char w[] = "-W"; + static char dummy[] = "dummy"; + char *argv[] = { program, w, dummy, NULL }; + optind = opterr = 1; + if (getopt (3, argv, "W;") != 'W') + result |= 128; + } + return result; + ]])], + [gl_cv_func_getopt_gnu=yes], + [gl_cv_func_getopt_gnu=no], + [dnl Cross compiling. Guess based on host and declarations. + case $host_os:$ac_cv_have_decl_optreset in + *-gnu*:* | mingw*:*) gl_cv_func_getopt_gnu=no;; + *:yes) gl_cv_func_getopt_gnu=no;; + *) gl_cv_func_getopt_gnu=yes;; + esac + ]) + case $gl_had_POSIXLY_CORRECT in + exported) ;; + yes) AS_UNSET([POSIXLY_CORRECT]); POSIXLY_CORRECT=1 ;; + *) AS_UNSET([POSIXLY_CORRECT]) ;; + esac + ]) + if test "$gl_cv_func_getopt_gnu" = "no"; then + gl_replace_getopt=yes + fi + fi +]) + +# emacs' configure.in uses this. +AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], +[ + GETOPT_H=getopt.h + AC_DEFINE([__GETOPT_PREFIX], [[rpl_]], + [Define to rpl_ if the getopt replacement functions and variables + should be used.]) + AC_SUBST([GETOPT_H]) +]) + +# Prerequisites of lib/getopt*. +# emacs' configure.in uses this. +AC_DEFUN([gl_PREREQ_GETOPT], +[ + AC_CHECK_DECLS_ONCE([getenv]) +]) diff --git a/m4/getpagesize.m4 b/m4/getpagesize.m4 new file mode 100644 index 00000000..156133ae --- /dev/null +++ b/m4/getpagesize.m4 @@ -0,0 +1,32 @@ +# getpagesize.m4 serial 9 +dnl Copyright (C) 2002, 2004-2005, 2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_GETPAGESIZE], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CHECK_FUNCS([getpagesize]) + if test $ac_cv_func_getpagesize = no; then + HAVE_GETPAGESIZE=0 + AC_CHECK_HEADERS([OS.h]) + if test $ac_cv_header_OS_h = yes; then + HAVE_OS_H=1 + fi + AC_CHECK_HEADERS([sys/param.h]) + if test $ac_cv_header_sys_param_h = yes; then + HAVE_SYS_PARAM_H=1 + fi + fi + case "$host_os" in + mingw*) + REPLACE_GETPAGESIZE=1 + ;; + esac + dnl Also check whether it's declared. + dnl mingw has getpagesize() in libgcc.a but doesn't declare it. + AC_CHECK_DECL([getpagesize], , [HAVE_DECL_GETPAGESIZE=0]) +]) diff --git a/m4/getpass.m4 b/m4/getpass.m4 new file mode 100644 index 00000000..2a7e1600 --- /dev/null +++ b/m4/getpass.m4 @@ -0,0 +1,58 @@ +# getpass.m4 serial 14 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Provide a getpass() function if the system doesn't have it. +AC_DEFUN([gl_FUNC_GETPASS], +[ + dnl Persuade Solaris <unistd.h> and <stdlib.h> to declare getpass(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS([getpass]) + AC_CHECK_DECLS_ONCE([getpass]) + if test $ac_cv_func_getpass = yes; then + HAVE_GETPASS=1 + else + HAVE_GETPASS=0 + fi +]) + +# Provide the GNU getpass() implementation. It supports passwords of +# arbitrary length (not just 8 bytes as on HP-UX). +AC_DEFUN([gl_FUNC_GETPASS_GNU], +[ + dnl Persuade Solaris <unistd.h> and <stdlib.h> to declare getpass(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([getpass]) + dnl TODO: Detect when GNU getpass() is already found in glibc. + REPLACE_GETPASS=1 + + if test $REPLACE_GETPASS = 1; then + dnl We must choose a different name for our function, since on ELF systems + dnl an unusable getpass() in libc.so would override our getpass() if it is + dnl compiled into a shared library. + AC_DEFINE([getpass], [gnu_getpass], + [Define to a replacement function name for getpass().]) + fi +]) + +# Prerequisites of lib/getpass.c. +AC_DEFUN([gl_PREREQ_GETPASS], [ + AC_CHECK_HEADERS_ONCE([stdio_ext.h termios.h]) + AC_CHECK_FUNCS_ONCE([__fsetlocking tcgetattr tcsetattr]) + AC_CHECK_DECLS([__fsetlocking],,, + [[#include <stdio.h> + #if HAVE_STDIO_EXT_H + #include <stdio_ext.h> + #endif]]) + AC_CHECK_DECLS_ONCE([fflush_unlocked]) + AC_CHECK_DECLS_ONCE([flockfile]) + AC_CHECK_DECLS_ONCE([fputs_unlocked]) + AC_CHECK_DECLS_ONCE([funlockfile]) + AC_CHECK_DECLS_ONCE([putc_unlocked]) + : +]) diff --git a/m4/gettext.m4 b/m4/gettext.m4 new file mode 100644 index 00000000..f84e6a5d --- /dev/null +++ b/m4/gettext.m4 @@ -0,0 +1,383 @@ +# gettext.m4 serial 63 (gettext-0.18) +dnl Copyright (C) 1995-2010 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000. +dnl Bruno Haible <haible@clisp.cons.org>, 2000-2006, 2008-2010. + +dnl Macro to add for using GNU gettext. + +dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]). +dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The +dnl default (if it is not specified or empty) is 'no-libtool'. +dnl INTLSYMBOL should be 'external' for packages with no intl directory, +dnl and 'no-libtool' or 'use-libtool' for packages with an intl directory. +dnl If INTLSYMBOL is 'use-libtool', then a libtool library +dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, +dnl depending on --{enable,disable}-{shared,static} and on the presence of +dnl AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library +dnl $(top_builddir)/intl/libintl.a will be created. +dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext +dnl implementations (in libc or libintl) without the ngettext() function +dnl will be ignored. If NEEDSYMBOL is specified and is +dnl 'need-formatstring-macros', then GNU gettext implementations that don't +dnl support the ISO C 99 <inttypes.h> formatstring macros will be ignored. +dnl INTLDIR is used to find the intl libraries. If empty, +dnl the value `$(top_builddir)/intl/' is used. +dnl +dnl The result of the configuration is one of three cases: +dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled +dnl and used. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 2) GNU gettext has been found in the system's C library. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 3) No internationalization, always use English msgid. +dnl Catalog format: none +dnl Catalog extension: none +dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur. +dnl The use of .gmo is historical (it was needed to avoid overwriting the +dnl GNU format catalogs when building on a platform with an X/Open gettext), +dnl but we keep it in order not to force irrelevant filename changes on the +dnl maintainers. +dnl +AC_DEFUN([AM_GNU_GETTEXT], +[ + dnl Argument checking. + ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], , + [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT +])])])])]) + ifelse(ifelse([$1], [], [old])[]ifelse([$1], [no-libtool], [old]), [old], + [AC_DIAGNOSE([obsolete], [Use of AM_GNU_GETTEXT without [external] argument is deprecated.])]) + ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], , + [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT +])])])]) + define([gt_included_intl], + ifelse([$1], [external], + ifdef([AM_GNU_GETTEXT_][INTL_SUBDIR], [yes], [no]), + [yes])) + define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], [])) + gt_NEEDS_INIT + AM_GNU_GETTEXT_NEED([$2]) + + AC_REQUIRE([AM_PO_SUBDIRS])dnl + ifelse(gt_included_intl, yes, [ + AC_REQUIRE([AM_INTL_SUBDIR])dnl + ]) + + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + dnl Sometimes libintl requires libiconv, so first search for libiconv. + dnl Ideally we would do this search only after the + dnl if test "$USE_NLS" = "yes"; then + dnl if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT + dnl the configure script would need to contain the same shell code + dnl again, outside any 'if'. There are two solutions: + dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'. + dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE. + dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not + dnl documented, we avoid it. + ifelse(gt_included_intl, yes, , [ + AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) + ]) + + dnl Sometimes, on MacOS X, libintl requires linking with CoreFoundation. + gt_INTL_MACOSX + + dnl Set USE_NLS. + AC_REQUIRE([AM_NLS]) + + ifelse(gt_included_intl, yes, [ + BUILD_INCLUDED_LIBINTL=no + USE_INCLUDED_LIBINTL=no + ]) + LIBINTL= + LTLIBINTL= + POSUB= + + dnl Add a version number to the cache macros. + case " $gt_needs " in + *" need-formatstring-macros "*) gt_api_version=3 ;; + *" need-ngettext "*) gt_api_version=2 ;; + *) gt_api_version=1 ;; + esac + gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc" + gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl" + + dnl If we use NLS figure out what method + if test "$USE_NLS" = "yes"; then + gt_use_preinstalled_gnugettext=no + ifelse(gt_included_intl, yes, [ + AC_MSG_CHECKING([whether included gettext is requested]) + AC_ARG_WITH([included-gettext], + [ --with-included-gettext use the GNU gettext library included here], + nls_cv_force_use_gnu_gettext=$withval, + nls_cv_force_use_gnu_gettext=no) + AC_MSG_RESULT([$nls_cv_force_use_gnu_gettext]) + + nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" + if test "$nls_cv_force_use_gnu_gettext" != "yes"; then + ]) + dnl User does not insist on using GNU NLS library. Figure out what + dnl to use. If GNU gettext is available we use this. Else we have + dnl to fall back to GNU NLS library. + + if test $gt_api_version -ge 3; then + gt_revision_test_code=' +#ifndef __GNU_GETTEXT_SUPPORTED_REVISION +#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) +#endif +changequote(,)dnl +typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; +changequote([,])dnl +' + else + gt_revision_test_code= + fi + if test $gt_api_version -ge 2; then + gt_expression_test_code=' + * ngettext ("", "", 0)' + else + gt_expression_test_code= + fi + + AC_CACHE_CHECK([for GNU gettext in libc], [$gt_func_gnugettext_libc], + [AC_TRY_LINK([#include <libintl.h> +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern int *_nl_domain_bindings;], + [bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_domain_bindings], + [eval "$gt_func_gnugettext_libc=yes"], + [eval "$gt_func_gnugettext_libc=no"])]) + + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + dnl Sometimes libintl requires libiconv, so first search for libiconv. + ifelse(gt_included_intl, yes, , [ + AM_ICONV_LINK + ]) + dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL + dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv]) + dnl because that would add "-liconv" to LIBINTL and LTLIBINTL + dnl even if libiconv doesn't exist. + AC_LIB_LINKFLAGS_BODY([intl]) + AC_CACHE_CHECK([for GNU gettext in libintl], + [$gt_func_gnugettext_libintl], + [gt_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $INCINTL" + gt_save_LIBS="$LIBS" + LIBS="$LIBS $LIBINTL" + dnl Now see whether libintl exists and does not depend on libiconv. + AC_TRY_LINK([#include <libintl.h> +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *);], + [bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")], + [eval "$gt_func_gnugettext_libintl=yes"], + [eval "$gt_func_gnugettext_libintl=no"]) + dnl Now see whether libintl exists and depends on libiconv. + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } && test -n "$LIBICONV"; then + LIBS="$LIBS $LIBICONV" + AC_TRY_LINK([#include <libintl.h> +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *);], + [bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")], + [LIBINTL="$LIBINTL $LIBICONV" + LTLIBINTL="$LTLIBINTL $LTLIBICONV" + eval "$gt_func_gnugettext_libintl=yes" + ]) + fi + CPPFLAGS="$gt_save_CPPFLAGS" + LIBS="$gt_save_LIBS"]) + fi + + dnl If an already present or preinstalled GNU gettext() is found, + dnl use it. But if this macro is used in GNU gettext, and GNU + dnl gettext is already preinstalled in libintl, we update this + dnl libintl. (Cf. the install rule in intl/Makefile.in.) + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \ + || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \ + && test "$PACKAGE" != gettext-runtime \ + && test "$PACKAGE" != gettext-tools; }; then + gt_use_preinstalled_gnugettext=yes + else + dnl Reset the values set by searching for libintl. + LIBINTL= + LTLIBINTL= + INCINTL= + fi + + ifelse(gt_included_intl, yes, [ + if test "$gt_use_preinstalled_gnugettext" != "yes"; then + dnl GNU gettext is not found in the C library. + dnl Fall back on included GNU gettext library. + nls_cv_use_gnu_gettext=yes + fi + fi + + if test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions used to generate GNU NLS library. + BUILD_INCLUDED_LIBINTL=yes + USE_INCLUDED_LIBINTL=yes + LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV $LIBTHREAD" + LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV $LTLIBTHREAD" + LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'` + fi + + CATOBJEXT= + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions to use GNU gettext tools. + CATOBJEXT=.gmo + fi + ]) + + if test -n "$INTL_MACOSX_LIBS"; then + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Some extra flags are needed during linking. + LIBINTL="$LIBINTL $INTL_MACOSX_LIBS" + LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS" + fi + fi + + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + AC_DEFINE([ENABLE_NLS], [1], + [Define to 1 if translation of program messages to the user's native language + is requested.]) + else + USE_NLS=no + fi + fi + + AC_MSG_CHECKING([whether to use NLS]) + AC_MSG_RESULT([$USE_NLS]) + if test "$USE_NLS" = "yes"; then + AC_MSG_CHECKING([where the gettext function comes from]) + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + gt_source="external libintl" + else + gt_source="libc" + fi + else + gt_source="included intl directory" + fi + AC_MSG_RESULT([$gt_source]) + fi + + if test "$USE_NLS" = "yes"; then + + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + AC_MSG_CHECKING([how to link with libintl]) + AC_MSG_RESULT([$LIBINTL]) + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL]) + fi + + dnl For backward compatibility. Some packages may be using this. + AC_DEFINE([HAVE_GETTEXT], [1], + [Define if the GNU gettext() function is already present or preinstalled.]) + AC_DEFINE([HAVE_DCGETTEXT], [1], + [Define if the GNU dcgettext() function is already present or preinstalled.]) + fi + + dnl We need to process the po/ directory. + POSUB=po + fi + + ifelse(gt_included_intl, yes, [ + dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL + dnl to 'yes' because some of the testsuite requires it. + if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then + BUILD_INCLUDED_LIBINTL=yes + fi + + dnl Make all variables we use known to autoconf. + AC_SUBST([BUILD_INCLUDED_LIBINTL]) + AC_SUBST([USE_INCLUDED_LIBINTL]) + AC_SUBST([CATOBJEXT]) + + dnl For backward compatibility. Some configure.ins may be using this. + nls_cv_header_intl= + nls_cv_header_libgt= + + dnl For backward compatibility. Some Makefiles may be using this. + DATADIRNAME=share + AC_SUBST([DATADIRNAME]) + + dnl For backward compatibility. Some Makefiles may be using this. + INSTOBJEXT=.mo + AC_SUBST([INSTOBJEXT]) + + dnl For backward compatibility. Some Makefiles may be using this. + GENCAT=gencat + AC_SUBST([GENCAT]) + + dnl For backward compatibility. Some Makefiles may be using this. + INTLOBJS= + if test "$USE_INCLUDED_LIBINTL" = yes; then + INTLOBJS="\$(GETTOBJS)" + fi + AC_SUBST([INTLOBJS]) + + dnl Enable libtool support if the surrounding package wishes it. + INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix + AC_SUBST([INTL_LIBTOOL_SUFFIX_PREFIX]) + ]) + + dnl For backward compatibility. Some Makefiles may be using this. + INTLLIBS="$LIBINTL" + AC_SUBST([INTLLIBS]) + + dnl Make all documented variables known to autoconf. + AC_SUBST([LIBINTL]) + AC_SUBST([LTLIBINTL]) + AC_SUBST([POSUB]) +]) + + +dnl gt_NEEDS_INIT ensures that the gt_needs variable is initialized. +m4_define([gt_NEEDS_INIT], +[ + m4_divert_text([DEFAULTS], [gt_needs=]) + m4_define([gt_NEEDS_INIT], []) +]) + + +dnl Usage: AM_GNU_GETTEXT_NEED([NEEDSYMBOL]) +AC_DEFUN([AM_GNU_GETTEXT_NEED], +[ + m4_divert_text([INIT_PREPARE], [gt_needs="$gt_needs $1"]) +]) + + +dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version]) +AC_DEFUN([AM_GNU_GETTEXT_VERSION], []) diff --git a/m4/gettime.m4 b/m4/gettime.m4 new file mode 100644 index 00000000..7d03d125 --- /dev/null +++ b/m4/gettime.m4 @@ -0,0 +1,13 @@ +# gettime.m4 serial 8 +dnl Copyright (C) 2002, 2004-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_GETTIME], +[ + dnl Prerequisites of lib/gettime.c. + AC_REQUIRE([gl_CLOCK_TIME]) + AC_REQUIRE([gl_TIMESPEC]) + AC_CHECK_FUNCS_ONCE([gettimeofday nanotime]) +]) diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4 new file mode 100644 index 00000000..eda97027 --- /dev/null +++ b/m4/gettimeofday.m4 @@ -0,0 +1,140 @@ +# serial 20 + +# Copyright (C) 2001-2003, 2005, 2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. + +AC_DEFUN([gl_FUNC_GETTIMEOFDAY], +[ + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([gl_HEADER_SYS_TIME_H]) + AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([gettimeofday]) + + gl_gettimeofday_timezone=void + if test $ac_cv_func_gettimeofday != yes; then + HAVE_GETTIMEOFDAY=0 + else + gl_FUNC_GETTIMEOFDAY_CLOBBER + AC_CACHE_CHECK([for gettimeofday with POSIX signature], + [gl_cv_func_gettimeofday_posix_signature], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/time.h> + struct timeval c; + int gettimeofday (struct timeval *restrict, void *restrict); + ]], + [[/* glibc uses struct timezone * rather than the POSIX void * + if _GNU_SOURCE is defined. However, since the only portable + use of gettimeofday uses NULL as the second parameter, and + since the glibc definition is actually more typesafe, it is + not worth wrapping this to get a compliant signature. */ + int (*f) (struct timeval *restrict, void *restrict) + = gettimeofday; + int x = f (&c, 0); + return !(x | c.tv_sec | c.tv_usec); + ]])], + [gl_cv_func_gettimeofday_posix_signature=yes], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/time.h> +int gettimeofday (struct timeval *restrict, struct timezone *restrict); + ]])], + [gl_cv_func_gettimeofday_posix_signature=almost], + [gl_cv_func_gettimeofday_posix_signature=no])])]) + if test $gl_cv_func_gettimeofday_posix_signature = almost; then + gl_gettimeofday_timezone='struct timezone' + elif test $gl_cv_func_gettimeofday_posix_signature != yes; then + REPLACE_GETTIMEOFDAY=1 + fi + dnl If we override 'struct timeval', we also have to override gettimeofday. + if test $REPLACE_STRUCT_TIMEVAL = 1; then + REPLACE_GETTIMEOFDAY=1 + fi + m4_ifdef([gl_FUNC_TZSET_CLOBBER], [ + gl_FUNC_TZSET_CLOBBER + case "$gl_cv_func_tzset_clobber" in + *yes) + REPLACE_GETTIMEOFDAY=1 + gl_GETTIMEOFDAY_REPLACE_LOCALTIME + AC_DEFINE([tzset], [rpl_tzset], + [Define to rpl_tzset if the wrapper function should be used.]) + AC_DEFINE([TZSET_CLOBBERS_LOCALTIME], [1], + [Define if tzset clobbers localtime's static buffer.]) + ;; + esac + ]) + fi + AC_DEFINE_UNQUOTED([GETTIMEOFDAY_TIMEZONE], [$gl_gettimeofday_timezone], + [Define this to 'void' or 'struct timezone' to match the system's + declaration of the second argument to gettimeofday.]) +]) + + +dnl See if gettimeofday clobbers the static buffer that localtime uses +dnl for its return value. The gettimeofday function from Mac OS X 10.0.4 +dnl (i.e., Darwin 1.3.7) has this problem. +dnl +dnl If it does, then arrange to use gettimeofday and localtime only via +dnl the wrapper functions that work around the problem. + +AC_DEFUN([gl_FUNC_GETTIMEOFDAY_CLOBBER], +[ + AC_REQUIRE([gl_HEADER_SYS_TIME_H]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_CACHE_CHECK([whether gettimeofday clobbers localtime buffer], + [gl_cv_func_gettimeofday_clobber], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <string.h> + #include <sys/time.h> + #include <time.h> + #include <stdlib.h> + ]], + [[ + time_t t = 0; + struct tm *lt; + struct tm saved_lt; + struct timeval tv; + lt = localtime (&t); + saved_lt = *lt; + gettimeofday (&tv, NULL); + return memcmp (lt, &saved_lt, sizeof (struct tm)) != 0; + ]])], + [gl_cv_func_gettimeofday_clobber=no], + [gl_cv_func_gettimeofday_clobber=yes], + [# When cross-compiling: + case "$host_os" in + # Guess all is fine on glibc systems. + *-gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;; + # If we don't know, assume the worst. + *) gl_cv_func_gettimeofday_clobber="guessing yes" ;; + esac + ])]) + + case "$gl_cv_func_gettimeofday_clobber" in + *yes) + REPLACE_GETTIMEOFDAY=1 + gl_GETTIMEOFDAY_REPLACE_LOCALTIME + AC_DEFINE([GETTIMEOFDAY_CLOBBERS_LOCALTIME], [1], + [Define if gettimeofday clobbers the localtime buffer.]) + ;; + esac +]) + +AC_DEFUN([gl_GETTIMEOFDAY_REPLACE_LOCALTIME], [ + AC_DEFINE([gmtime], [rpl_gmtime], + [Define to rpl_gmtime if the replacement function should be used.]) + AC_DEFINE([localtime], [rpl_localtime], + [Define to rpl_localtime if the replacement function should be used.]) +]) + +# Prerequisites of lib/gettimeofday.c. +AC_DEFUN([gl_PREREQ_GETTIMEOFDAY], [ + AC_CHECK_HEADERS([sys/timeb.h]) + AC_CHECK_FUNCS([_ftime]) +]) diff --git a/m4/getugroups.m4 b/m4/getugroups.m4 new file mode 100644 index 00000000..699f3d22 --- /dev/null +++ b/m4/getugroups.m4 @@ -0,0 +1,11 @@ +# getugroups.m4 serial 9 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_GETUGROUPS], +[ + AC_CHECK_HEADERS_ONCE([grp.h]) +]) diff --git a/m4/getusershell.m4 b/m4/getusershell.m4 new file mode 100644 index 00000000..f64eac2d --- /dev/null +++ b/m4/getusershell.m4 @@ -0,0 +1,28 @@ +# getusershell.m4 serial 7 +dnl Copyright (C) 2002-2003, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_GETUSERSHELL], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Persuade glibc <unistd.h> to declare {get,set,end}usershell(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl Check whether the getusershell function exists. + AC_CHECK_FUNCS_ONCE([getusershell]) + if test $ac_cv_func_getusershell = yes; then + HAVE_GETUSERSHELL=1 + dnl Check whether getusershell is declared. + AC_CHECK_DECLS([getusershell]) + if test $ac_cv_have_decl_getusershell = no; then + HAVE_DECL_GETUSERSHELL=0 + fi + else + HAVE_GETUSERSHELL=0 + dnl Assume that on platforms which declare it, the function exists. + HAVE_DECL_GETUSERSHELL=0 + fi +]) diff --git a/m4/glibc21.m4 b/m4/glibc21.m4 new file mode 100644 index 00000000..c938fb1a --- /dev/null +++ b/m4/glibc21.m4 @@ -0,0 +1,34 @@ +# glibc21.m4 serial 5 +dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Test for the GNU C Library, version 2.1 or newer, or uClibc. +# From Bruno Haible. + +AC_DEFUN([gl_GLIBC21], + [ + AC_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc], + [ac_cv_gnu_library_2_1], + [AC_EGREP_CPP([Lucky], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) + Lucky GNU user + #endif +#endif +#ifdef __UCLIBC__ + Lucky user +#endif + ], + [ac_cv_gnu_library_2_1=yes], + [ac_cv_gnu_library_2_1=no]) + ] + ) + AC_SUBST([GLIBC21]) + GLIBC21="$ac_cv_gnu_library_2_1" + ] +) diff --git a/m4/gmp.m4 b/m4/gmp.m4 new file mode 100644 index 00000000..e337e161 --- /dev/null +++ b/m4/gmp.m4 @@ -0,0 +1,38 @@ +# Tests for GNU GMP (or any compatible replacement). + +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by James Youngman. + +dnl Check for libgmp. We avoid use of AC_CHECK_LIBS because we don't want to +dnl add this to $LIBS for all targets. +AC_DEFUN([cu_GMP], +[ + LIB_GMP= + AC_SUBST([LIB_GMP]) + + AC_ARG_WITH([gmp], + AS_HELP_STRING([--without-gmp], + [do not use the GNU MP library for arbitrary precision + calculation (default: use it if available)]), + [cu_use_gmp=$withval], + [cu_use_gmp=auto]) + + if test $cu_use_gmp != no; then + cu_saved_libs=$LIBS + AC_SEARCH_LIBS([__gmpz_init], [gmp], + [test "$ac_cv_search___gmpz_init" = "none required" || + { + LIB_GMP=$ac_cv_search___gmpz_init + AC_DEFINE([HAVE_GMP], [1], + [Define if you have GNU libgmp (or replacement)]) + }], + [AC_MSG_WARN([libgmp development library was not found or not usable.]) + AC_MSG_WARN([AC_PACKAGE_NAME will be built without GMP support.])]) + LIBS=$cu_saved_libs + fi +]) diff --git a/m4/gnu-make.m4 b/m4/gnu-make.m4 new file mode 100644 index 00000000..e796f3c8 --- /dev/null +++ b/m4/gnu-make.m4 @@ -0,0 +1,19 @@ +# Determine whether recent-enough GNU Make is being used. + +# Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. + +# Set GNU_MAKE if we are using a recent-enough version of GNU make. + +# Use --version AND trailing junk, because SGI Make doesn't fail on --version. + +AC_DEFUN([gl_GNU_MAKE], +[ + AM_CONDITIONAL([GNU_MAKE], + [${MAKE-make} --version /cannot/make/this >/dev/null 2>&1]) +]) diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4 new file mode 100644 index 00000000..ab3c43d7 --- /dev/null +++ b/m4/gnulib-common.m4 @@ -0,0 +1,372 @@ +# gnulib-common.m4 serial 32 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# gl_COMMON +# is expanded unconditionally through gnulib-tool magic. +AC_DEFUN([gl_COMMON], [ + dnl Use AC_REQUIRE here, so that the code is expanded once only. + AC_REQUIRE([gl_00GNULIB]) + AC_REQUIRE([gl_COMMON_BODY]) +]) +AC_DEFUN([gl_COMMON_BODY], [ + AH_VERBATIM([_Noreturn], +[/* The _Noreturn keyword of C11. */ +#if !defined _Noreturn && __STDC_VERSION__ < 201112 +# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \ + || 0x5110 <= __SUNPRO_C) +# define _Noreturn __attribute__ ((__noreturn__)) +# elif defined _MSC_VER && 1200 <= _MSC_VER +# define _Noreturn __declspec (noreturn) +# else +# define _Noreturn +# endif +#endif +]) + AH_VERBATIM([isoc99_inline], +[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports + the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of + earlier versions), but does not display it by setting __GNUC_STDC_INLINE__. + __APPLE__ && __MACH__ test for MacOS X. + __APPLE_CC__ tests for the Apple compiler and its version. + __STDC_VERSION__ tests for the C99 mode. */ +#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__ +# define __GNUC_STDC_INLINE__ 1 +#endif]) + AH_VERBATIM([unused_parameter], +[/* Define as a marker that can be attached to declarations that might not + be used. This helps to reduce warnings, such as from + GCC -Wunused-parameter. */ +#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) +# define _GL_UNUSED __attribute__ ((__unused__)) +#else +# define _GL_UNUSED +#endif +/* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name + is a misnomer outside of parameter lists. */ +#define _UNUSED_PARAMETER_ _GL_UNUSED + +/* The __pure__ attribute was added in gcc 2.96. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +#else +# define _GL_ATTRIBUTE_PURE /* empty */ +#endif + +/* The __const__ attribute was added in gcc 2.95. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) +# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) +#else +# define _GL_ATTRIBUTE_CONST /* empty */ +#endif +]) + dnl Preparation for running test programs: + dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not + dnl to /dev/tty, so they can be redirected to log files. Such diagnostics + dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N. + LIBC_FATAL_STDERR_=1 + export LIBC_FATAL_STDERR_ +]) + +# gl_MODULE_INDICATOR_CONDITION +# expands to a C preprocessor expression that evaluates to 1 or 0, depending +# whether a gnulib module that has been requested shall be considered present +# or not. +m4_define([gl_MODULE_INDICATOR_CONDITION], [1]) + +# gl_MODULE_INDICATOR_SET_VARIABLE([modulename]) +# sets the shell variable that indicates the presence of the given module to +# a C preprocessor expression that will evaluate to 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE], +[ + gl_MODULE_INDICATOR_SET_VARIABLE_AUX( + [GNULIB_[]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], + [gl_MODULE_INDICATOR_CONDITION]) +]) + +# gl_MODULE_INDICATOR_SET_VARIABLE_AUX([variable]) +# modifies the shell variable to include the gl_MODULE_INDICATOR_CONDITION. +# The shell variable's value is a C preprocessor expression that evaluates +# to 0 or 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX], +[ + m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1], + [ + dnl Simplify the expression VALUE || 1 to 1. + $1=1 + ], + [gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1], + [gl_MODULE_INDICATOR_CONDITION])]) +]) + +# gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([variable], [condition]) +# modifies the shell variable to include the given condition. The shell +# variable's value is a C preprocessor expression that evaluates to 0 or 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR], +[ + dnl Simplify the expression 1 || CONDITION to 1. + if test "$[]$1" != 1; then + dnl Simplify the expression 0 || CONDITION to CONDITION. + if test "$[]$1" = 0; then + $1=$2 + else + $1="($[]$1 || $2)" + fi + fi +]) + +# gl_MODULE_INDICATOR([modulename]) +# defines a C macro indicating the presence of the given module +# in a location where it can be used. +# | Value | Value | +# | in lib/ | in tests/ | +# --------------------------------------------+---------+-----------+ +# Module present among main modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module present among tests-related modules: | 0 | 1 | +# --------------------------------------------+---------+-----------+ +# Module not present at all: | 0 | 0 | +# --------------------------------------------+---------+-----------+ +AC_DEFUN([gl_MODULE_INDICATOR], +[ + AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), + [gl_MODULE_INDICATOR_CONDITION], + [Define to a C preprocessor expression that evaluates to 1 or 0, + depending whether the gnulib module $1 shall be considered present.]) +]) + +# gl_MODULE_INDICATOR_FOR_TESTS([modulename]) +# defines a C macro indicating the presence of the given module +# in lib or tests. This is useful to determine whether the module +# should be tested. +# | Value | Value | +# | in lib/ | in tests/ | +# --------------------------------------------+---------+-----------+ +# Module present among main modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module present among tests-related modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module not present at all: | 0 | 0 | +# --------------------------------------------+---------+-----------+ +AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], +[ + AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1], + [Define to 1 when the gnulib module $1 should be tested.]) +]) + +# gl_ASSERT_NO_GNULIB_POSIXCHECK +# asserts that there will never be a need to #define GNULIB_POSIXCHECK. +# and thereby enables an optimization of configure and config.h. +# Used by Emacs. +AC_DEFUN([gl_ASSERT_NO_GNULIB_POSIXCHECK], +[ + dnl Override gl_WARN_ON_USE_PREPARE. + dnl But hide this definition from 'aclocal'. + AC_DEFUN([gl_W][ARN_ON_USE_PREPARE], []) +]) + +# gl_ASSERT_NO_GNULIB_TESTS +# asserts that there will be no gnulib tests in the scope of the configure.ac +# and thereby enables an optimization of config.h. +# Used by Emacs. +AC_DEFUN([gl_ASSERT_NO_GNULIB_TESTS], +[ + dnl Override gl_MODULE_INDICATOR_FOR_TESTS. + AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], []) +]) + +# Test whether <features.h> exists. +# Set HAVE_FEATURES_H. +AC_DEFUN([gl_FEATURES_H], +[ + AC_CHECK_HEADERS_ONCE([features.h]) + if test $ac_cv_header_features_h = yes; then + HAVE_FEATURES_H=1 + else + HAVE_FEATURES_H=0 + fi + AC_SUBST([HAVE_FEATURES_H]) +]) + +# m4_foreach_w +# is a backport of autoconf-2.59c's m4_foreach_w. +# Remove this macro when we can assume autoconf >= 2.60. +m4_ifndef([m4_foreach_w], + [m4_define([m4_foreach_w], + [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])]) + +# AS_VAR_IF(VAR, VALUE, [IF-MATCH], [IF-NOT-MATCH]) +# ---------------------------------------------------- +# Backport of autoconf-2.63b's macro. +# Remove this macro when we can assume autoconf >= 2.64. +m4_ifndef([AS_VAR_IF], +[m4_define([AS_VAR_IF], +[AS_IF([test x"AS_VAR_GET([$1])" = x""$2], [$3], [$4])])]) + +# gl_PROG_CC_C99 +# Modifies the value of the shell variable CC in an attempt to make $CC +# understand ISO C99 source code. +# This is like AC_PROG_CC_C99, except that +# - AC_PROG_CC_C99 did not exist in Autoconf versions < 2.60, +# - AC_PROG_CC_C99 does not mix well with AC_PROG_CC_STDC +# <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00367.html>, +# but many more packages use AC_PROG_CC_STDC than AC_PROG_CC_C99 +# <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00441.html>. +# Remaining problems: +# - When AC_PROG_CC_STDC is invoked twice, it adds the C99 enabling options +# to CC twice +# <http://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00431.html>. +# - AC_PROG_CC_STDC is likely to change now that C11 is an ISO standard. +AC_DEFUN([gl_PROG_CC_C99], +[ + dnl Change that version number to the minimum Autoconf version that supports + dnl mixing AC_PROG_CC_C99 calls with AC_PROG_CC_STDC calls. + m4_version_prereq([9.0], + [AC_REQUIRE([AC_PROG_CC_C99])], + [AC_REQUIRE([AC_PROG_CC_STDC])]) +]) + +# gl_PROG_AR_RANLIB +# Determines the values for AR, ARFLAGS, RANLIB that fit with the compiler. +# The user can set the variables AR, ARFLAGS, RANLIB if he wants to override +# the values. +AC_DEFUN([gl_PROG_AR_RANLIB], +[ + dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler + dnl as "cc", and GCC as "gcc". They have different object file formats and + dnl library formats. In particular, the GNU binutils programs ar, ranlib + dnl produce libraries that work only with gcc, not with cc. + AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler], + [ + AC_EGREP_CPP([Amsterdam], + [ +#ifdef __ACK__ +Amsterdam +#endif + ], + [gl_cv_c_amsterdam_compiler=yes], + [gl_cv_c_amsterdam_compiler=no]) + ]) + if test -z "$AR"; then + if test $gl_cv_c_amsterdam_compiler = yes; then + AR='cc -c.a' + if test -z "$ARFLAGS"; then + ARFLAGS='-o' + fi + else + dnl Use the Automake-documented default values for AR and ARFLAGS, + dnl but prefer ${host}-ar over ar (useful for cross-compiling). + AC_CHECK_TOOL([AR], [ar], [ar]) + if test -z "$ARFLAGS"; then + ARFLAGS='cru' + fi + fi + else + if test -z "$ARFLAGS"; then + ARFLAGS='cru' + fi + fi + AC_SUBST([AR]) + AC_SUBST([ARFLAGS]) + if test -z "$RANLIB"; then + if test $gl_cv_c_amsterdam_compiler = yes; then + RANLIB=':' + else + dnl Use the ranlib program if it is available. + AC_PROG_RANLIB + fi + fi + AC_SUBST([RANLIB]) +]) + +# AC_PROG_MKDIR_P +# is a backport of autoconf-2.60's AC_PROG_MKDIR_P, with a fix +# for interoperability with automake-1.9.6 from autoconf-2.62. +# Remove this macro when we can assume autoconf >= 2.62 or +# autoconf >= 2.60 && automake >= 1.10. +m4_ifdef([AC_PROG_MKDIR_P], [ + dnl For automake-1.9.6 && autoconf < 2.62: Ensure MKDIR_P is AC_SUBSTed. + m4_define([AC_PROG_MKDIR_P], + m4_defn([AC_PROG_MKDIR_P])[ + AC_SUBST([MKDIR_P])])], [ + dnl For autoconf < 2.60: Backport of AC_PROG_MKDIR_P. + AC_DEFUN_ONCE([AC_PROG_MKDIR_P], + [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake + MKDIR_P='$(mkdir_p)' + AC_SUBST([MKDIR_P])])]) + +# AC_C_RESTRICT +# This definition overrides the AC_C_RESTRICT macro from autoconf 2.60..2.61, +# so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++ +# works. +# This definition can be removed once autoconf >= 2.62 can be assumed. +m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.62]),[-1],[ +AC_DEFUN([AC_C_RESTRICT], +[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict], + [ac_cv_c_restrict=no + # The order here caters to the fact that C++ does not require restrict. + for ac_kw in __restrict __restrict__ _Restrict restrict; do + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[typedef int * int_ptr; + int foo (int_ptr $ac_kw ip) { + return ip[0]; + }]], + [[int s[1]; + int * $ac_kw t = s; + t[0] = 0; + return foo(t)]])], + [ac_cv_c_restrict=$ac_kw]) + test "$ac_cv_c_restrict" != no && break + done + ]) + AH_VERBATIM([restrict], +[/* Define to the equivalent of the C99 'restrict' keyword, or to + nothing if this is not supported. Do not define if restrict is + supported directly. */ +#undef restrict +/* Work around a bug in Sun C++: it does not support _Restrict, even + though the corresponding Sun C compiler does, which causes + "#define restrict _Restrict" in the previous line. Perhaps some future + version of Sun C++ will work with _Restrict; if so, it'll probably + define __RESTRICT, just as Sun C does. */ +#if defined __SUNPRO_CC && !defined __RESTRICT +# define _Restrict +#endif]) + case $ac_cv_c_restrict in + restrict) ;; + no) AC_DEFINE([restrict], []) ;; + *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;; + esac +]) +]) + +# gl_BIGENDIAN +# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd. +# Note that AC_REQUIRE([AC_C_BIGENDIAN]) does not work reliably because some +# macros invoke AC_C_BIGENDIAN with arguments. +AC_DEFUN([gl_BIGENDIAN], +[ + AC_C_BIGENDIAN +]) + +# gl_CACHE_VAL_SILENT(cache-id, command-to-set-it) +# is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not +# output a spurious "(cached)" mark in the midst of other configure output. +# This macro should be used instead of AC_CACHE_VAL when it is not surrounded +# by an AC_MSG_CHECKING/AC_MSG_RESULT pair. +AC_DEFUN([gl_CACHE_VAL_SILENT], +[ + saved_as_echo_n="$as_echo_n" + as_echo_n=':' + AC_CACHE_VAL([$1], [$2]) + as_echo_n="$saved_as_echo_n" +]) diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4 new file mode 100644 index 00000000..91f798b9 --- /dev/null +++ b/m4/gnulib-comp.m4 @@ -0,0 +1,3879 @@ +# DO NOT EDIT! GENERATED AUTOMATICALLY! +# Copyright (C) 2002-2012 Free Software Foundation, Inc. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, see <http://www.gnu.org/licenses/>. +# +# As a special exception to the GNU General Public License, +# this file may be distributed as part of a program that +# contains a configuration script generated by Autoconf, under +# the same distribution terms as the rest of that program. +# +# Generated by gnulib-tool. +# +# This file represents the compiled summary of the specification in +# gnulib-cache.m4. It lists the computed macro invocations that need +# to be invoked from configure.ac. +# In projects that use version control, this file can be treated like +# other built files. + + +# This macro should be invoked from ./configure.ac, in the section +# "Checks for programs", right after AC_PROG_CC, and certainly before +# any checks for libraries, header files, types and library functions. +AC_DEFUN([gl_EARLY], +[ + m4_pattern_forbid([^gl_[A-Z]])dnl the gnulib macro namespace + m4_pattern_allow([^gl_ES$])dnl a valid locale name + m4_pattern_allow([^gl_LIBOBJS$])dnl a variable + m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable + AC_REQUIRE([gl_PROG_AR_RANLIB]) + AC_REQUIRE([AM_PROG_CC_C_O]) + # Code from module accept: + # Code from module accept-tests: + # Code from module acl: + # Code from module acl-tests: + # Code from module alignof: + # Code from module alignof-tests: + # Code from module alloca: + # Code from module alloca-opt: + # Code from module alloca-opt-tests: + # Code from module allocator: + # Code from module announce-gen: + # Code from module areadlink: + # Code from module areadlink-tests: + # Code from module areadlink-with-size: + # Code from module areadlink-with-size-tests: + # Code from module areadlinkat: + # Code from module areadlinkat-tests: + # Code from module argmatch: + # Code from module argmatch-tests: + # Code from module argv-iter: + # Code from module argv-iter-tests: + # Code from module arpa_inet: + # Code from module arpa_inet-tests: + # Code from module assert: + # Code from module at-internal: + # Code from module autobuild: + AB_INIT + # Code from module backupfile: + # Code from module base64: + # Code from module base64-tests: + # Code from module binary-io: + # Code from module binary-io-tests: + # Code from module bind: + # Code from module bind-tests: + # Code from module bitrotate: + # Code from module bitrotate-tests: + # Code from module btowc: + # Code from module btowc-tests: + # Code from module c-ctype: + # Code from module c-ctype-tests: + # Code from module c-strcase: + # Code from module c-strcase-tests: + # Code from module c-strcaseeq: + # Code from module c-strtod: + # Code from module c-strtold: + # Code from module calloc-gnu: + # Code from module calloc-gnu-tests: + # Code from module calloc-posix: + # Code from module canon-host: + # Code from module canonicalize: + # Code from module canonicalize-tests: + # Code from module careadlinkat: + # Code from module chdir: + # Code from module chdir-long: + # Code from module chdir-tests: + # Code from module chown: + # Code from module chown-tests: + # Code from module clock-time: + # Code from module cloexec: + # Code from module cloexec-tests: + # Code from module close: + # Code from module close-stream: + # Code from module close-tests: + # Code from module closedir: + # Code from module closein: + # Code from module closein-tests: + # Code from module closeout: + # Code from module config-h: + # Code from module configmake: + # Code from module connect: + # Code from module connect-tests: + # Code from module crypto/md5: + # Code from module crypto/md5-tests: + # Code from module crypto/sha1: + # Code from module crypto/sha1-tests: + # Code from module crypto/sha256: + # Code from module crypto/sha512: + # Code from module ctype: + # Code from module ctype-tests: + # Code from module cycle-check: + # Code from module d-ino: + # Code from module d-type: + # Code from module dev-ino: + # Code from module di-set: + # Code from module di-set-tests: + # Code from module diacrit: + # Code from module dirent: + # Code from module dirent-safer: + # Code from module dirent-safer-tests: + # Code from module dirent-tests: + # Code from module dirfd: + # Code from module dirname: + # Code from module dirname-lgpl: + # Code from module dirname-tests: + # Code from module do-release-commit-and-tag: + # Code from module dosname: + # Code from module double-slash-root: + # Code from module dtoastr: + # Code from module dtotimespec: + # Code from module dup: + # Code from module dup-tests: + # Code from module dup2: + # Code from module dup2-tests: + # Code from module environ: + # Code from module environ-tests: + # Code from module errno: + # Code from module errno-tests: + # Code from module error: + # Code from module euidaccess: + # Code from module exclude: + # Code from module exclude-tests: + # Code from module exitfail: + # Code from module extensions: + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + # Code from module faccessat: + # Code from module faccessat-tests: + # Code from module fadvise: + # Code from module fadvise-tests: + # Code from module fatal-signal: + # Code from module fchdir: + # Code from module fchdir-tests: + # Code from module fchmodat: + # Code from module fchmodat-tests: + # Code from module fchownat: + # Code from module fchownat-tests: + # Code from module fclose: + # Code from module fclose-tests: + # Code from module fcntl: + # Code from module fcntl-h: + # Code from module fcntl-h-tests: + # Code from module fcntl-safer: + # Code from module fcntl-safer-tests: + # Code from module fcntl-tests: + # Code from module fd-hook: + # Code from module fd-safer-flag: + # Code from module fdatasync: + # Code from module fdatasync-tests: + # Code from module fdl: + # Code from module fdopen: + # Code from module fdopen-tests: + # Code from module fdopendir: + # Code from module fdopendir-tests: + # Code from module fdutimensat: + # Code from module fdutimensat-tests: + # Code from module fflush: + AC_REQUIRE([AC_FUNC_FSEEKO]) + # Code from module fflush-tests: + # Code from module fgetc-tests: + # Code from module file-set: + # Code from module file-type: + # Code from module fileblocks: + # Code from module filemode: + # Code from module filename: + # Code from module filenamecat: + # Code from module filenamecat-lgpl: + # Code from module filenamecat-tests: + # Code from module filevercmp: + # Code from module filevercmp-tests: + # Code from module flexmember: + # Code from module float: + # Code from module float-tests: + # Code from module fnmatch: + # Code from module fnmatch-gnu: + # Code from module fnmatch-tests: + # Code from module fopen: + # Code from module fopen-safer: + # Code from module fopen-safer-tests: + # Code from module fopen-tests: + # Code from module fpending: + # Code from module fpending-tests: + # Code from module fpieee: + AC_REQUIRE([gl_FP_IEEE]) + # Code from module fprintftime: + # Code from module fpucw: + # Code from module fpurge: + # Code from module fpurge-tests: + # Code from module fputc-tests: + # Code from module fread-tests: + # Code from module freadahead: + # Code from module freadahead-tests: + # Code from module freading: + # Code from module freading-tests: + # Code from module freadptr: + # Code from module freadptr-tests: + # Code from module freadseek: + # Code from module freadseek-tests: + # Code from module freopen: + # Code from module freopen-safer: + # Code from module freopen-safer-tests: + # Code from module freopen-tests: + # Code from module frexp-nolibm: + # Code from module frexp-nolibm-tests: + # Code from module frexpl-nolibm: + # Code from module frexpl-nolibm-tests: + # Code from module fseek: + # Code from module fseek-tests: + # Code from module fseeko: + AC_REQUIRE([AC_FUNC_FSEEKO]) + # Code from module fseeko-tests: + # Code from module fseterr: + # Code from module fseterr-tests: + # Code from module fstat: + # Code from module fstat-tests: + # Code from module fstatat: + # Code from module fstatat-tests: + # Code from module fsusage: + # Code from module fsync: + # Code from module fsync-tests: + # Code from module ftell: + # Code from module ftell-tests: + # Code from module ftello: + AC_REQUIRE([AC_FUNC_FSEEKO]) + # Code from module ftello-tests: + # Code from module ftoastr: + # Code from module ftruncate: + # Code from module ftruncate-tests: + # Code from module fts: + # Code from module full-read: + # Code from module full-write: + # Code from module futimens: + # Code from module futimens-tests: + # Code from module fwrite-tests: + # Code from module gendocs: + # Code from module getaddrinfo: + # Code from module getaddrinfo-tests: + # Code from module getcwd: + # Code from module getcwd-lgpl: + # Code from module getcwd-lgpl-tests: + # Code from module getcwd-tests: + # Code from module getdelim: + # Code from module getdelim-tests: + # Code from module getdtablesize: + # Code from module getdtablesize-tests: + # Code from module getgroups: + # Code from module getgroups-tests: + # Code from module gethostname: + # Code from module gethostname-tests: + # Code from module gethrxtime: + # Code from module getline: + # Code from module getline-tests: + # Code from module getloadavg: + # Code from module getloadavg-tests: + # Code from module getlogin: + # Code from module getlogin-tests: + # Code from module getndelim2: + # Code from module getndelim2-tests: + # Code from module getopt-gnu: + # Code from module getopt-posix: + # Code from module getopt-posix-tests: + # Code from module getpagesize: + # Code from module getpass-gnu: + # Code from module gettext-h: + # Code from module gettime: + # Code from module gettimeofday: + # Code from module gettimeofday-tests: + # Code from module getugroups: + # Code from module getusershell: + # Code from module git-version-gen: + # Code from module gitlog-to-changelog: + # Code from module gnu-make: + # Code from module gnu-web-doc-update: + # Code from module gnumakefile: + # Code from module gnupload: + # Code from module gperf: + # Code from module group-member: + # Code from module hard-locale: + # Code from module hash: + # Code from module hash-pjw: + # Code from module hash-tests: + # Code from module hash-triple: + # Code from module havelib: + # Code from module heap: + # Code from module host-os: + # Code from module hostent: + # Code from module human: + # Code from module i-ring: + # Code from module i-ring-tests: + # Code from module iconv: + # Code from module iconv-h: + # Code from module iconv-h-tests: + # Code from module iconv-tests: + # Code from module iconv_open: + # Code from module idcache: + # Code from module ignore-value: + # Code from module ignore-value-tests: + # Code from module include_next: + # Code from module inet_ntop: + # Code from module inet_ntop-tests: + # Code from module inet_pton: + # Code from module inet_pton-tests: + # Code from module inline: + # Code from module ino-map: + # Code from module ino-map-tests: + # Code from module intprops: + # Code from module intprops-tests: + # Code from module inttostr: + # Code from module inttostr-tests: + # Code from module inttypes: + # Code from module inttypes-incomplete: + # Code from module inttypes-tests: + # Code from module ioctl: + # Code from module ioctl-tests: + # Code from module isapipe: + # Code from module isatty: + # Code from module isatty-tests: + # Code from module isblank: + # Code from module isblank-tests: + # Code from module isnand-nolibm: + # Code from module isnand-nolibm-tests: + # Code from module isnanf-nolibm: + # Code from module isnanf-nolibm-tests: + # Code from module isnanl-nolibm: + # Code from module isnanl-nolibm-tests: + # Code from module iswblank: + # Code from module iswblank-tests: + # Code from module langinfo: + # Code from module langinfo-tests: + # Code from module largefile: + AC_REQUIRE([AC_SYS_LARGEFILE]) + # Code from module lchmod: + # Code from module lchown: + # Code from module lchown-tests: + # Code from module ldtoastr: + # Code from module lib-ignore: + # Code from module linebuffer: + # Code from module link: + # Code from module link-follow: + # Code from module link-tests: + # Code from module linkat: + # Code from module linkat-tests: + # Code from module listen: + # Code from module listen-tests: + # Code from module localcharset: + # Code from module locale: + # Code from module locale-tests: + # Code from module localeconv: + # Code from module localeconv-tests: + # Code from module localename: + # Code from module localename-tests: + # Code from module lock: + # Code from module lock-tests: + # Code from module long-options: + # Code from module lseek: + # Code from module lseek-tests: + # Code from module lstat: + # Code from module lstat-tests: + # Code from module maintainer-makefile: + # Code from module malloc-gnu: + # Code from module malloc-gnu-tests: + # Code from module malloc-posix: + # Code from module malloca: + # Code from module malloca-tests: + # Code from module manywarnings: + # Code from module math: + # Code from module math-tests: + # Code from module mbchar: + # Code from module mbiter: + # Code from module mbrlen: + # Code from module mbrtowc: + # Code from module mbrtowc-tests: + # Code from module mbsalign: + # Code from module mbsalign-tests: + # Code from module mbscasecmp: + # Code from module mbscasecmp-tests: + # Code from module mbsinit: + # Code from module mbsinit-tests: + # Code from module mbslen: + # Code from module mbsrtowcs: + # Code from module mbsrtowcs-tests: + # Code from module mbsstr: + # Code from module mbsstr-tests: + # Code from module mbswidth: + # Code from module mbtowc: + # Code from module mbuiter: + # Code from module memcasecmp: + # Code from module memcasecmp-tests: + # Code from module memchr: + # Code from module memchr-tests: + # Code from module memchr2: + # Code from module memchr2-tests: + # Code from module memcmp2: + # Code from module memcoll: + # Code from module memcoll-tests: + # Code from module mempcpy: + # Code from module memrchr: + # Code from module memrchr-tests: + # Code from module mgetgroups: + # Code from module mkancesdirs: + # Code from module mkdir: + # Code from module mkdir-p: + # Code from module mkdir-tests: + # Code from module mkfifo: + # Code from module mkfifo-tests: + # Code from module mknod: + # Code from module mknod-tests: + # Code from module mkstemp: + # Code from module mktime: + # Code from module modechange: + # Code from module mountlist: + # Code from module mpsort: + # Code from module msvc-inval: + # Code from module msvc-nothrow: + # Code from module multiarch: + # Code from module nanosleep: + # Code from module nanosleep-tests: + # Code from module netdb: + # Code from module netdb-tests: + # Code from module netinet_in: + # Code from module netinet_in-tests: + # Code from module nl_langinfo: + # Code from module nl_langinfo-tests: + # Code from module nocrash: + # Code from module nproc: + # Code from module obstack: + # Code from module open: + # Code from module open-tests: + # Code from module openat: + # Code from module openat-die: + # Code from module openat-h: + # Code from module openat-safer: + # Code from module openat-safer-tests: + # Code from module openat-tests: + # Code from module opendir: + # Code from module parse-datetime: + # Code from module parse-datetime-tests: + # Code from module pathmax: + # Code from module pathmax-tests: + # Code from module perl: + # Code from module perror: + # Code from module perror-tests: + # Code from module physmem: + # Code from module pipe: + # Code from module pipe-posix: + # Code from module pipe-posix-tests: + # Code from module pipe2: + # Code from module pipe2-safer: + # Code from module pipe2-tests: + # Code from module posix-shell: + # Code from module posix_spawn-internal: + # Code from module posix_spawn_file_actions_addclose: + # Code from module posix_spawn_file_actions_addclose-tests: + # Code from module posix_spawn_file_actions_adddup2: + # Code from module posix_spawn_file_actions_adddup2-tests: + # Code from module posix_spawn_file_actions_addopen: + # Code from module posix_spawn_file_actions_addopen-tests: + # Code from module posix_spawn_file_actions_destroy: + # Code from module posix_spawn_file_actions_init: + # Code from module posix_spawnattr_destroy: + # Code from module posix_spawnattr_init: + # Code from module posix_spawnattr_setflags: + # Code from module posix_spawnattr_setsigmask: + # Code from module posix_spawnp: + # Code from module posix_spawnp-tests: + # Code from module posixtm: + # Code from module posixtm-tests: + # Code from module posixver: + # Code from module printf-frexp: + # Code from module printf-frexp-tests: + # Code from module printf-frexpl: + # Code from module printf-frexpl-tests: + # Code from module printf-safe: + # Code from module priv-set: + # Code from module priv-set-tests: + # Code from module progname: + # Code from module propername: + # Code from module pthread: + # Code from module putenv: + # Code from module quote: + # Code from module quotearg: + # Code from module quotearg-simple: + # Code from module quotearg-simple-tests: + # Code from module raise: + # Code from module raise-tests: + # Code from module randint: + # Code from module randperm: + # Code from module randread: + # Code from module randread-tests: + # Code from module rawmemchr: + # Code from module rawmemchr-tests: + # Code from module read: + # Code from module read-file: + # Code from module read-file-tests: + # Code from module read-tests: + # Code from module readdir: + # Code from module readlink: + # Code from module readlink-tests: + # Code from module readlinkat: + # Code from module readlinkat-tests: + # Code from module readtokens: + # Code from module readtokens-tests: + # Code from module readtokens0: + # Code from module readutmp: + # Code from module realloc-gnu: + # Code from module realloc-gnu-tests: + # Code from module realloc-posix: + # Code from module regex: + # Code from module remove: + # Code from module remove-tests: + # Code from module rename: + # Code from module rename-tests: + # Code from module rewinddir: + # Code from module rmdir: + # Code from module rmdir-tests: + # Code from module root-dev-ino: + # Code from module rpmatch: + # Code from module safe-read: + # Code from module safe-write: + # Code from module same: + # Code from module same-inode: + # Code from module save-cwd: + # Code from module savedir: + # Code from module savewd: + # Code from module sched: + # Code from module sched-tests: + # Code from module select: + # Code from module select-tests: + # Code from module selinux-at: + # Code from module selinux-h: + # Code from module servent: + # Code from module setenv: + # Code from module setenv-tests: + # Code from module setlocale: + # Code from module setlocale-tests: + # Code from module setsockopt: + # Code from module setsockopt-tests: + # Code from module settime: + # Code from module sig2str: + # Code from module sigaction: + # Code from module sigaction-tests: + # Code from module signal-h: + # Code from module signal-h-tests: + # Code from module signbit: + # Code from module signbit-tests: + # Code from module sigprocmask: + # Code from module sigprocmask-tests: + # Code from module size_max: + # Code from module sleep: + # Code from module sleep-tests: + # Code from module snippet/_Noreturn: + # Code from module snippet/arg-nonnull: + # Code from module snippet/c++defs: + # Code from module snippet/unused-parameter: + # Code from module snippet/warn-on-use: + # Code from module snprintf: + # Code from module snprintf-tests: + # Code from module socket: + # Code from module socketlib: + # Code from module sockets: + # Code from module sockets-tests: + # Code from module socklen: + # Code from module spawn: + # Code from module spawn-pipe: + # Code from module spawn-pipe-tests: + # Code from module spawn-tests: + # Code from module ssize_t: + # Code from module stat: + # Code from module stat-macros: + # Code from module stat-size: + # Code from module stat-tests: + # Code from module stat-time: + # Code from module stat-time-tests: + # Code from module stdalign: + # Code from module stdalign-tests: + # Code from module stdarg: + dnl Some compilers (e.g., AIX 5.3 cc) need to be in c99 mode + dnl for the builtin va_copy to work. With Autoconf 2.60 or later, + dnl gl_PROG_CC_C99 arranges for this. With older Autoconf gl_PROG_CC_C99 + dnl shouldn't hurt, though installers are on their own to set c99 mode. + gl_PROG_CC_C99 + # Code from module stdbool: + # Code from module stdbool-tests: + # Code from module stddef: + # Code from module stddef-tests: + # Code from module stdint: + # Code from module stdint-tests: + # Code from module stdio: + # Code from module stdio-tests: + # Code from module stdlib: + # Code from module stdlib-safer: + # Code from module stdlib-tests: + # Code from module stpcpy: + # Code from module stpncpy: + # Code from module strcase: + # Code from module strchrnul: + # Code from module strchrnul-tests: + # Code from module strdup-posix: + # Code from module streq: + # Code from module strerror: + # Code from module strerror-override: + # Code from module strerror-tests: + # Code from module strerror_r-posix: + # Code from module strerror_r-posix-tests: + # Code from module strftime: + # Code from module strftime-tests: + # Code from module striconv: + # Code from module striconv-tests: + # Code from module string: + # Code from module string-tests: + # Code from module strings: + # Code from module strings-tests: + # Code from module strncat: + # Code from module strncat-tests: + # Code from module strndup: + # Code from module strnlen: + # Code from module strnlen-tests: + # Code from module strnlen1: + # Code from module strpbrk: + # Code from module strsignal: + # Code from module strsignal-tests: + # Code from module strstr-simple: + # Code from module strtod: + # Code from module strtod-tests: + # Code from module strtoimax: + # Code from module strtoimax-tests: + # Code from module strtoll: + # Code from module strtoll-tests: + # Code from module strtoull: + # Code from module strtoull-tests: + # Code from module strtoumax: + # Code from module strtoumax-tests: + # Code from module symlink: + # Code from module symlink-tests: + # Code from module symlinkat: + # Code from module symlinkat-tests: + # Code from module sys_ioctl: + # Code from module sys_ioctl-tests: + # Code from module sys_resource: + # Code from module sys_resource-tests: + # Code from module sys_select: + # Code from module sys_select-tests: + # Code from module sys_socket: + # Code from module sys_socket-tests: + # Code from module sys_stat: + # Code from module sys_stat-tests: + # Code from module sys_time: + # Code from module sys_time-tests: + # Code from module sys_types: + # Code from module sys_types-tests: + # Code from module sys_uio: + # Code from module sys_uio-tests: + # Code from module sys_utsname: + # Code from module sys_utsname-tests: + # Code from module sys_wait: + # Code from module sys_wait-tests: + # Code from module tempname: + # Code from module termios: + # Code from module termios-tests: + # Code from module test-framework-sh: + # Code from module test-framework-sh-tests: + # Code from module thread: + # Code from module thread-tests: + # Code from module threadlib: + gl_THREADLIB_EARLY + # Code from module time: + # Code from module time-tests: + # Code from module time_r: + # Code from module timer-time: + # Code from module timespec: + # Code from module tls: + # Code from module tls-tests: + # Code from module trim: + # Code from module tzset: + # Code from module u64: + # Code from module u64-tests: + # Code from module uname: + # Code from module uname-tests: + # Code from module unicodeio: + # Code from module unistd: + # Code from module unistd-safer: + # Code from module unistd-safer-tests: + # Code from module unistd-tests: + # Code from module unistr/base: + # Code from module unistr/u8-mbtoucr: + # Code from module unistr/u8-mbtoucr-tests: + # Code from module unistr/u8-uctomb: + # Code from module unistr/u8-uctomb-tests: + # Code from module unitypes: + # Code from module uniwidth/base: + # Code from module uniwidth/width: + # Code from module uniwidth/width-tests: + # Code from module unlink: + # Code from module unlink-busy: + # Code from module unlink-tests: + # Code from module unlinkat: + # Code from module unlinkat-tests: + # Code from module unlinkdir: + # Code from module unlocked-io: + # Code from module unsetenv: + # Code from module unsetenv-tests: + # Code from module update-copyright: + # Code from module update-copyright-tests: + # Code from module uptime: + # Code from module useless-if-before-free: + # Code from module userspec: + # Code from module userspec-tests: + # Code from module usleep: + # Code from module usleep-tests: + # Code from module utimecmp: + # Code from module utimens: + # Code from module utimens-tests: + # Code from module utimensat: + # Code from module utimensat-tests: + # Code from module vasnprintf: + # Code from module vasnprintf-tests: + # Code from module vasprintf: + # Code from module vasprintf-posix: + # Code from module vasprintf-posix-tests: + # Code from module vasprintf-tests: + # Code from module vc-list-files: + # Code from module vc-list-files-tests: + # Code from module verify: + # Code from module verify-tests: + # Code from module verror: + # Code from module version-etc: + # Code from module version-etc-fsf: + # Code from module version-etc-tests: + # Code from module vfprintf-posix: + # Code from module vfprintf-posix-tests: + # Code from module vprintf-posix: + # Code from module vprintf-posix-tests: + # Code from module wait-process: + # Code from module waitpid: + # Code from module warnings: + # Code from module wchar: + # Code from module wchar-tests: + # Code from module wcrtomb: + # Code from module wcrtomb-tests: + # Code from module wcswidth: + # Code from module wctob: + # Code from module wctomb: + # Code from module wctype-h: + # Code from module wctype-h-tests: + # Code from module wcwidth: + # Code from module wcwidth-tests: + # Code from module winsz-ioctl: + # Code from module winsz-termios: + # Code from module write: + # Code from module write-any-file: + # Code from module write-tests: + # Code from module xalloc: + # Code from module xalloc-die: + # Code from module xalloc-die-tests: + # Code from module xalloc-oversized: + # Code from module xfreopen: + # Code from module xgetcwd: + # Code from module xgetgroups: + # Code from module xgethostname: + # Code from module xmemcoll: + # Code from module xnanosleep: + # Code from module xprintf: + # Code from module xprintf-posix: + # Code from module xprintf-posix-tests: + # Code from module xreadlink: + # Code from module xsize: + # Code from module xstriconv: + # Code from module xstrndup: + # Code from module xstrtod: + # Code from module xstrtoimax: + # Code from module xstrtoimax-tests: + # Code from module xstrtol: + # Code from module xstrtol-tests: + # Code from module xstrtold: + # Code from module xstrtoumax: + # Code from module xstrtoumax-tests: + # Code from module xvasprintf: + # Code from module xvasprintf-tests: + # Code from module yesno: + # Code from module yesno-tests: + # Code from module yield: +]) + +# This macro should be invoked from ./configure.ac, in the section +# "Check for header files, types and library functions". +AC_DEFUN([gl_INIT], +[ + AM_CONDITIONAL([GL_COND_LIBTOOL], [false]) + gl_cond_libtool=false + gl_libdeps= + gl_ltlibdeps= + gl_m4_base='m4' + m4_pushdef([AC_LIBOBJ], m4_defn([gl_LIBOBJ])) + m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gl_REPLACE_FUNCS])) + m4_pushdef([AC_LIBSOURCES], m4_defn([gl_LIBSOURCES])) + m4_pushdef([gl_LIBSOURCES_LIST], []) + m4_pushdef([gl_LIBSOURCES_DIR], []) + gl_COMMON + gl_source_base='lib' +gl_FUNC_ACL +gl_FUNC_ALLOCA +gl_MODULE_INDICATOR([areadlinkat]) +gl_HEADER_ARPA_INET +AC_PROG_MKDIR_P +gl_ASSERT +AC_LIBOBJ([openat-proc]) +gl_BACKUPFILE +gl_FUNC_BASE64 +AC_REQUIRE([AC_C_INLINE]) +gl_FUNC_BTOWC +if test $HAVE_BTOWC = 0 || test $REPLACE_BTOWC = 1; then + AC_LIBOBJ([btowc]) + gl_PREREQ_BTOWC +fi +gl_WCHAR_MODULE_INDICATOR([btowc]) +gl_C_STRTOD +gl_C_STRTOLD +gl_FUNC_CALLOC_GNU +if test $REPLACE_CALLOC = 1; then + AC_LIBOBJ([calloc]) +fi +gl_MODULE_INDICATOR([calloc-gnu]) +gl_FUNC_CALLOC_POSIX +if test $REPLACE_CALLOC = 1; then + AC_LIBOBJ([calloc]) +fi +gl_STDLIB_MODULE_INDICATOR([calloc-posix]) +gl_PREREQ_CANON_HOST +gl_FUNC_CANONICALIZE_FILENAME_MODE +gl_MODULE_INDICATOR([canonicalize]) +gl_MODULE_INDICATOR_FOR_TESTS([canonicalize]) +gl_STDLIB_MODULE_INDICATOR([canonicalize_file_name]) +AC_CHECK_FUNCS_ONCE([readlinkat]) +gl_UNISTD_MODULE_INDICATOR([chdir]) +gl_FUNC_CHDIR_LONG +if test $gl_cv_have_arbitrary_file_name_length_limit = yes; then + AC_LIBOBJ([chdir-long]) + gl_PREREQ_CHDIR_LONG +fi +gl_FUNC_CHOWN +if test $HAVE_CHOWN = 0 || test $REPLACE_CHOWN = 1; then + AC_LIBOBJ([chown]) +fi +if test $REPLACE_CHOWN = 1 && test $ac_cv_func_fchown = no; then + AC_LIBOBJ([fchown-stub]) +fi +gl_UNISTD_MODULE_INDICATOR([chown]) +gl_CLOCK_TIME +gl_MODULE_INDICATOR_FOR_TESTS([cloexec]) +gl_FUNC_CLOSE +if test $REPLACE_CLOSE = 1; then + AC_LIBOBJ([close]) +fi +gl_UNISTD_MODULE_INDICATOR([close]) +gl_CLOSE_STREAM +gl_MODULE_INDICATOR([close-stream]) +gl_FUNC_CLOSEDIR +if test $HAVE_CLOSEDIR = 0 || test $REPLACE_CLOSEDIR = 1; then + AC_LIBOBJ([closedir]) +fi +gl_DIRENT_MODULE_INDICATOR([closedir]) +gl_CLOSEIN +gl_CLOSEOUT +gl_CONFIG_H +gl_CONFIGMAKE_PREP +gl_MD5 +gl_SHA1 +gl_SHA256 +gl_SHA512 +gl_CTYPE_H +gl_CYCLE_CHECK +gl_CHECK_TYPE_STRUCT_DIRENT_D_INO +gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE +gl_DIRENT_H +gl_DIRENT_SAFER +gl_MODULE_INDICATOR([dirent-safer]) +gl_FUNC_DIRFD +if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no; then + AC_LIBOBJ([dirfd]) + gl_PREREQ_DIRFD +fi +gl_DIRENT_MODULE_INDICATOR([dirfd]) +gl_DIRNAME +gl_MODULE_INDICATOR([dirname]) +gl_DIRNAME_LGPL +gl_DOUBLE_SLASH_ROOT +AC_REQUIRE([gl_C99_STRTOLD]) +gl_FUNC_DUP +if test $REPLACE_DUP = 1; then + AC_LIBOBJ([dup]) + gl_PREREQ_DUP +fi +gl_UNISTD_MODULE_INDICATOR([dup]) +gl_FUNC_DUP2 +if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then + AC_LIBOBJ([dup2]) + gl_PREREQ_DUP2 +fi +gl_UNISTD_MODULE_INDICATOR([dup2]) +gl_ENVIRON +gl_UNISTD_MODULE_INDICATOR([environ]) +gl_HEADER_ERRNO_H +gl_ERROR +if test $ac_cv_lib_error_at_line = no; then + AC_LIBOBJ([error]) + gl_PREREQ_ERROR +fi +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--flag=error:3:c-format]) + AM_][XGETTEXT_OPTION([--flag=error_at_line:5:c-format])]) +gl_FUNC_EUIDACCESS +if test $HAVE_EUIDACCESS = 0; then + AC_LIBOBJ([euidaccess]) + gl_PREREQ_EUIDACCESS +fi +gl_UNISTD_MODULE_INDICATOR([euidaccess]) +gl_FUNC_FACCESSAT +if test $HAVE_FACCESSAT = 0; then + AC_LIBOBJ([faccessat]) + gl_PREREQ_FACCESSAT +fi +gl_MODULE_INDICATOR([faccessat]) +gl_UNISTD_MODULE_INDICATOR([faccessat]) +AC_CHECK_FUNCS_ONCE([posix_fadvise]) +gl_FATAL_SIGNAL +gl_FUNC_FCHDIR +gl_UNISTD_MODULE_INDICATOR([fchdir]) +gl_FUNC_FCHMODAT +if test $HAVE_FCHMODAT = 0; then + AC_LIBOBJ([fchmodat]) +fi +AC_REQUIRE([AC_C_INLINE]) dnl because 'inline' is used in lib/openat.h +gl_MODULE_INDICATOR([fchmodat]) dnl for lib/openat.h +gl_SYS_STAT_MODULE_INDICATOR([fchmodat]) +gl_FUNC_FCHOWNAT +if test $HAVE_FCHOWNAT = 0 || test $REPLACE_FCHOWNAT = 1; then + AC_LIBOBJ([fchownat]) +fi +AC_REQUIRE([AC_C_INLINE]) dnl because 'inline' is used in lib/openat.h +gl_MODULE_INDICATOR([fchownat]) dnl for lib/openat.h +gl_UNISTD_MODULE_INDICATOR([fchownat]) +gl_FUNC_FCLOSE +if test $REPLACE_FCLOSE = 1; then + AC_LIBOBJ([fclose]) +fi +gl_STDIO_MODULE_INDICATOR([fclose]) +gl_FUNC_FCNTL +if test $HAVE_FCNTL = 0 || test $REPLACE_FCNTL = 1; then + AC_LIBOBJ([fcntl]) +fi +gl_FCNTL_MODULE_INDICATOR([fcntl]) +gl_FCNTL_H +gl_FCNTL_SAFER +gl_MODULE_INDICATOR([fcntl-safer]) +gl_MODULE_INDICATOR([fd-safer-flag]) +gl_FUNC_FDATASYNC +if test $HAVE_FDATASYNC = 0; then + AC_LIBOBJ([fdatasync]) +fi +gl_UNISTD_MODULE_INDICATOR([fdatasync]) +gl_FUNC_FDOPEN +if test $REPLACE_FDOPEN = 1; then + AC_LIBOBJ([fdopen]) + gl_PREREQ_FDOPEN +fi +gl_STDIO_MODULE_INDICATOR([fdopen]) +gl_FUNC_FDOPENDIR +if test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1; then + AC_LIBOBJ([fdopendir]) +fi +gl_DIRENT_MODULE_INDICATOR([fdopendir]) +gl_MODULE_INDICATOR([fdopendir]) +AC_REQUIRE([AC_C_INLINE]) dnl because 'inline' is used in lib/utimens.h +gl_MODULE_INDICATOR([fdutimensat]) +gl_FUNC_FFLUSH +if test $REPLACE_FFLUSH = 1; then + AC_LIBOBJ([fflush]) + gl_PREREQ_FFLUSH +fi +gl_MODULE_INDICATOR([fflush]) +gl_STDIO_MODULE_INDICATOR([fflush]) +gl_FILEBLOCKS +if test $ac_cv_member_struct_stat_st_blocks = no; then + AC_LIBOBJ([fileblocks]) + gl_PREREQ_FILEBLOCKS +fi +gl_FILEMODE +gl_FILE_NAME_CONCAT +gl_MODULE_INDICATOR([filenamecat]) +gl_FILE_NAME_CONCAT_LGPL +AC_REQUIRE([AC_C_INLINE]) +AC_C_FLEXIBLE_ARRAY_MEMBER +gl_FLOAT_H +if test $REPLACE_FLOAT_LDBL = 1; then + AC_LIBOBJ([float]) +fi +if test $REPLACE_ITOLD = 1; then + AC_LIBOBJ([itold]) +fi +gl_FUNC_FNMATCH_POSIX +if test -n "$FNMATCH_H"; then + AC_LIBOBJ([fnmatch]) + gl_PREREQ_FNMATCH +fi +gl_FUNC_FNMATCH_GNU +if test -n "$FNMATCH_H"; then + AC_LIBOBJ([fnmatch]) + gl_PREREQ_FNMATCH +fi +gl_FUNC_FOPEN +if test $REPLACE_FOPEN = 1; then + AC_LIBOBJ([fopen]) + gl_PREREQ_FOPEN +fi +gl_STDIO_MODULE_INDICATOR([fopen]) +gl_MODULE_INDICATOR([fopen-safer]) +gl_FUNC_FPENDING +if test $ac_cv_func___fpending = no; then + AC_LIBOBJ([fpending]) + gl_PREREQ_FPENDING +fi +gl_FUNC_FPURGE +if test $HAVE_FPURGE = 0 || test $REPLACE_FPURGE = 1; then + AC_LIBOBJ([fpurge]) +fi +gl_STDIO_MODULE_INDICATOR([fpurge]) +gl_FUNC_FREADING +AC_REQUIRE([AC_C_INLINE]) +gl_FUNC_FREOPEN +if test $REPLACE_FREOPEN = 1; then + AC_LIBOBJ([freopen]) + gl_PREREQ_FREOPEN +fi +gl_STDIO_MODULE_INDICATOR([freopen]) +gl_MODULE_INDICATOR([freopen-safer]) +gl_FUNC_FREXP_NO_LIBM +if test $gl_func_frexp_no_libm != yes; then + AC_LIBOBJ([frexp]) +fi +gl_MATH_MODULE_INDICATOR([frexp]) +gl_FUNC_FREXPL_NO_LIBM +if test $HAVE_DECL_FREXPL = 0 || test $gl_func_frexpl_no_libm = no; then + AC_LIBOBJ([frexpl]) +fi +gl_MATH_MODULE_INDICATOR([frexpl]) +gl_FUNC_FSEEK +if test $REPLACE_FSEEK = 1; then + AC_LIBOBJ([fseek]) +fi +gl_STDIO_MODULE_INDICATOR([fseek]) +gl_FUNC_FSEEKO +if test $HAVE_FSEEKO = 0 || test $REPLACE_FSEEKO = 1; then + AC_LIBOBJ([fseeko]) + gl_PREREQ_FSEEKO +fi +gl_STDIO_MODULE_INDICATOR([fseeko]) +gl_FUNC_FSTAT +if test $REPLACE_FSTAT = 1; then + AC_LIBOBJ([fstat]) + gl_PREREQ_FSTAT +fi +gl_SYS_STAT_MODULE_INDICATOR([fstat]) +gl_FUNC_FSTATAT +if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then + AC_LIBOBJ([fstatat]) +fi +AC_REQUIRE([AC_C_INLINE]) dnl because 'inline' is used in lib/openat.h +gl_MODULE_INDICATOR([fstatat]) dnl for lib/openat.h +gl_SYS_STAT_MODULE_INDICATOR([fstatat]) +gl_FSUSAGE +if test $gl_cv_fs_space = yes; then + AC_LIBOBJ([fsusage]) + gl_PREREQ_FSUSAGE_EXTRA +fi +gl_FUNC_FSYNC +if test $HAVE_FSYNC = 0; then + AC_LIBOBJ([fsync]) + gl_PREREQ_FSYNC +fi +gl_UNISTD_MODULE_INDICATOR([fsync]) +gl_FUNC_FTELL +if test $REPLACE_FTELL = 1; then + AC_LIBOBJ([ftell]) +fi +gl_STDIO_MODULE_INDICATOR([ftell]) +gl_FUNC_FTELLO +if test $HAVE_FTELLO = 0 || test $REPLACE_FTELLO = 1; then + AC_LIBOBJ([ftello]) + gl_PREREQ_FTELLO +fi +gl_STDIO_MODULE_INDICATOR([ftello]) +AC_CHECK_FUNCS_ONCE([strtof]) +AC_REQUIRE([gl_C99_STRTOLD]) +gl_FUNC_FTRUNCATE +if test $HAVE_FTRUNCATE = 0 || test $REPLACE_FTRUNCATE = 1; then + AC_LIBOBJ([ftruncate]) + gl_PREREQ_FTRUNCATE +fi +gl_UNISTD_MODULE_INDICATOR([ftruncate]) +gl_FUNC_FTS +dnl Use this version of fts unconditionally, since the GNU libc and +dnl NetBSD versions have bugs and/or unnecessary limitations. +AC_LIBOBJ([fts]) +gl_FUNC_FUTIMENS +if test $HAVE_FUTIMENS = 0 || test $REPLACE_FUTIMENS = 1; then + AC_LIBOBJ([futimens]) +fi +gl_SYS_STAT_MODULE_INDICATOR([futimens]) +gl_GETADDRINFO +if test $HAVE_GETADDRINFO = 0; then + AC_LIBOBJ([getaddrinfo]) +fi +if test $HAVE_DECL_GAI_STRERROR = 0 || test $REPLACE_GAI_STRERROR = 1; then + AC_LIBOBJ([gai_strerror]) +fi +gl_NETDB_MODULE_INDICATOR([getaddrinfo]) +gl_FUNC_GETCWD +if test $REPLACE_GETCWD = 1; then + AC_LIBOBJ([getcwd]) + gl_PREREQ_GETCWD +fi +gl_MODULE_INDICATOR([getcwd]) +gl_UNISTD_MODULE_INDICATOR([getcwd]) +gl_FUNC_GETCWD_LGPL +if test $REPLACE_GETCWD = 1; then + AC_LIBOBJ([getcwd-lgpl]) +fi +gl_UNISTD_MODULE_INDICATOR([getcwd]) +gl_FUNC_GETDELIM +if test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1; then + AC_LIBOBJ([getdelim]) + gl_PREREQ_GETDELIM +fi +gl_STDIO_MODULE_INDICATOR([getdelim]) +gl_FUNC_GETDTABLESIZE +if test $HAVE_GETDTABLESIZE = 0; then + AC_LIBOBJ([getdtablesize]) + gl_PREREQ_GETDTABLESIZE +fi +gl_UNISTD_MODULE_INDICATOR([getdtablesize]) +gl_FUNC_GETGROUPS +if test $HAVE_GETGROUPS = 0 || test $REPLACE_GETGROUPS = 1; then + AC_LIBOBJ([getgroups]) +fi +gl_UNISTD_MODULE_INDICATOR([getgroups]) +gl_FUNC_GETHOSTNAME +if test $HAVE_GETHOSTNAME = 0; then + AC_LIBOBJ([gethostname]) + gl_PREREQ_GETHOSTNAME +fi +gl_UNISTD_MODULE_INDICATOR([gethostname]) +gl_GETHRXTIME +if test $ac_cv_have_decl_gethrtime = no || test $gl_cv_arithmetic_hrtime_t = no; then + AC_LIBOBJ([gethrxtime]) + gl_PREREQ_GETHRXTIME +fi +gl_FUNC_GETLINE +if test $REPLACE_GETLINE = 1; then + AC_LIBOBJ([getline]) + gl_PREREQ_GETLINE +fi +gl_STDIO_MODULE_INDICATOR([getline]) +gl_GETLOADAVG +if test $HAVE_GETLOADAVG = 0; then + AC_LIBOBJ([getloadavg]) + gl_PREREQ_GETLOADAVG +fi +gl_STDLIB_MODULE_INDICATOR([getloadavg]) +gl_FUNC_GETLOGIN +if test $HAVE_GETLOGIN = 0; then + AC_LIBOBJ([getlogin]) +fi +gl_UNISTD_MODULE_INDICATOR([getlogin]) +gl_GETNDELIM2 +gl_FUNC_GETOPT_GNU +if test $REPLACE_GETOPT = 1; then + AC_LIBOBJ([getopt]) + AC_LIBOBJ([getopt1]) + gl_PREREQ_GETOPT + dnl Arrange for unistd.h to include getopt.h. + GNULIB_GL_UNISTD_H_GETOPT=1 +fi +AC_SUBST([GNULIB_GL_UNISTD_H_GETOPT]) +gl_MODULE_INDICATOR_FOR_TESTS([getopt-gnu]) +gl_FUNC_GETOPT_POSIX +if test $REPLACE_GETOPT = 1; then + AC_LIBOBJ([getopt]) + AC_LIBOBJ([getopt1]) + gl_PREREQ_GETOPT + dnl Arrange for unistd.h to include getopt.h. + GNULIB_GL_UNISTD_H_GETOPT=1 +fi +AC_SUBST([GNULIB_GL_UNISTD_H_GETOPT]) +gl_FUNC_GETPAGESIZE +if test $REPLACE_GETPAGESIZE = 1; then + AC_LIBOBJ([getpagesize]) +fi +gl_UNISTD_MODULE_INDICATOR([getpagesize]) +gl_FUNC_GETPASS_GNU +if test $REPLACE_GETPASS = 1; then + AC_LIBOBJ([getpass]) + gl_PREREQ_GETPASS +fi +AC_SUBST([LIBINTL]) +AC_SUBST([LTLIBINTL]) +gl_GETTIME +gl_FUNC_GETTIMEOFDAY +if test $HAVE_GETTIMEOFDAY = 0 || test $REPLACE_GETTIMEOFDAY = 1; then + AC_LIBOBJ([gettimeofday]) + gl_PREREQ_GETTIMEOFDAY +fi +gl_SYS_TIME_MODULE_INDICATOR([gettimeofday]) +gl_GETUGROUPS +gl_FUNC_GETUSERSHELL +if test $HAVE_GETUSERSHELL = 0; then + AC_LIBOBJ([getusershell]) +fi +gl_UNISTD_MODULE_INDICATOR([getusershell]) +gl_GNU_MAKE +# Autoconf 2.61a.99 and earlier don't support linking a file only +# in VPATH builds. But since GNUmakefile is for maintainer use +# only, it does not matter if we skip the link with older autoconf. +# Automake 1.10.1 and earlier try to remove GNUmakefile in non-VPATH +# builds, so use a shell variable to bypass this. +GNUmakefile=GNUmakefile +m4_if(m4_version_compare([2.61a.100], + m4_defn([m4_PACKAGE_VERSION])), [1], [], + [AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [], + [GNUmakefile=$GNUmakefile])]) +gl_FUNC_GROUP_MEMBER +if test $HAVE_GROUP_MEMBER = 0; then + AC_LIBOBJ([group-member]) + gl_PREREQ_GROUP_MEMBER +fi +gl_UNISTD_MODULE_INDICATOR([group-member]) +gl_HARD_LOCALE +gl_HOST_OS +gl_HOSTENT +gl_HUMAN +gl_I_RING +AM_ICONV +m4_ifdef([gl_ICONV_MODULE_INDICATOR], + [gl_ICONV_MODULE_INDICATOR([iconv])]) +gl_ICONV_H +gl_FUNC_ICONV_OPEN +if test $REPLACE_ICONV_OPEN = 1; then + AC_LIBOBJ([iconv_open]) +fi +if test $REPLACE_ICONV = 1; then + AC_LIBOBJ([iconv]) + AC_LIBOBJ([iconv_close]) +fi +gl_IDCACHE +AC_REQUIRE([AC_C_INLINE]) +gl_FUNC_INET_NTOP +if test $HAVE_INET_NTOP = 0 || test $REPLACE_INET_NTOP = 1; then + AC_LIBOBJ([inet_ntop]) + gl_PREREQ_INET_NTOP +fi +gl_ARPA_INET_MODULE_INDICATOR([inet_ntop]) +gl_INLINE +gl_INTTOSTR +gl_INTTYPES_H +gl_INTTYPES_INCOMPLETE +gl_ISAPIPE +if test $HAVE_ISAPIPE = 0; then + AC_LIBOBJ([isapipe]) + gl_PREREQ_ISAPIPE +fi +gl_FUNC_ISATTY +if test $REPLACE_ISATTY = 1; then + AC_LIBOBJ([isatty]) + gl_PREREQ_ISATTY +fi +gl_UNISTD_MODULE_INDICATOR([isatty]) +gl_FUNC_ISBLANK +if test $HAVE_ISBLANK = 0; then + AC_LIBOBJ([isblank]) +fi +gl_CTYPE_MODULE_INDICATOR([isblank]) +gl_FUNC_ISNAND_NO_LIBM +if test $gl_func_isnand_no_libm != yes; then + AC_LIBOBJ([isnand]) + gl_PREREQ_ISNAND +fi +gl_FUNC_ISNANF_NO_LIBM +if test $gl_func_isnanf_no_libm != yes; then + AC_LIBOBJ([isnanf]) + gl_PREREQ_ISNANF +fi +gl_FUNC_ISNANL_NO_LIBM +if test $gl_func_isnanl_no_libm != yes; then + AC_LIBOBJ([isnanl]) + gl_PREREQ_ISNANL +fi +gl_FUNC_ISWBLANK +if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then + : +else + if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then + AC_LIBOBJ([iswblank]) + fi +fi +gl_WCTYPE_MODULE_INDICATOR([iswblank]) +gl_LANGINFO_H +AC_REQUIRE([gl_LARGEFILE]) +gl_FUNC_LCHMOD +gl_SYS_STAT_MODULE_INDICATOR([lchmod]) +gl_FUNC_LCHOWN +if test $HAVE_LCHOWN = 0 || test $REPLACE_LCHOWN = 1; then + AC_LIBOBJ([lchown]) +fi +gl_UNISTD_MODULE_INDICATOR([lchown]) +AC_REQUIRE([gl_C99_STRTOLD]) +gl_IGNORE_UNUSED_LIBRARIES +gl_FUNC_LINK +if test $HAVE_LINK = 0 || test $REPLACE_LINK = 1; then + AC_LIBOBJ([link]) +fi +gl_UNISTD_MODULE_INDICATOR([link]) +gl_FUNC_LINK_FOLLOWS_SYMLINK +gl_FUNC_LINKAT +if test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1; then + AC_LIBOBJ([linkat]) +fi +if test $HAVE_LINKAT = 0; then + AC_LIBOBJ([at-func2]) +fi +gl_UNISTD_MODULE_INDICATOR([linkat]) +gl_LOCALCHARSET +LOCALCHARSET_TESTS_ENVIRONMENT="CHARSETALIASDIR=\"\$(abs_top_builddir)/$gl_source_base\"" +AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT]) +gl_LOCALE_H +gl_FUNC_LOCALECONV +if test $REPLACE_LOCALECONV = 1; then + AC_LIBOBJ([localeconv]) + gl_PREREQ_LOCALECONV +fi +gl_LOCALE_MODULE_INDICATOR([localeconv]) +gl_LOCK +gl_FUNC_LSEEK +if test $REPLACE_LSEEK = 1; then + AC_LIBOBJ([lseek]) +fi +gl_UNISTD_MODULE_INDICATOR([lseek]) +gl_FUNC_LSTAT +if test $REPLACE_LSTAT = 1; then + AC_LIBOBJ([lstat]) + gl_PREREQ_LSTAT +fi +gl_SYS_STAT_MODULE_INDICATOR([lstat]) +AC_CONFIG_COMMANDS_PRE([m4_ifdef([AH_HEADER], + [AC_SUBST([CONFIG_INCLUDE], m4_defn([AH_HEADER]))])]) +gl_FUNC_MALLOC_GNU +if test $REPLACE_MALLOC = 1; then + AC_LIBOBJ([malloc]) +fi +gl_MODULE_INDICATOR([malloc-gnu]) +gl_FUNC_MALLOC_POSIX +if test $REPLACE_MALLOC = 1; then + AC_LIBOBJ([malloc]) +fi +gl_STDLIB_MODULE_INDICATOR([malloc-posix]) +gl_MALLOCA +gl_MATH_H +gl_MBCHAR +gl_MBITER +gl_FUNC_MBRLEN +if test $HAVE_MBRLEN = 0 || test $REPLACE_MBRLEN = 1; then + AC_LIBOBJ([mbrlen]) + gl_PREREQ_MBRLEN +fi +gl_WCHAR_MODULE_INDICATOR([mbrlen]) +gl_FUNC_MBRTOWC +if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then + AC_LIBOBJ([mbrtowc]) + gl_PREREQ_MBRTOWC +fi +gl_WCHAR_MODULE_INDICATOR([mbrtowc]) +gl_STRING_MODULE_INDICATOR([mbscasecmp]) +gl_FUNC_MBSINIT +if test $HAVE_MBSINIT = 0 || test $REPLACE_MBSINIT = 1; then + AC_LIBOBJ([mbsinit]) + gl_PREREQ_MBSINIT +fi +gl_WCHAR_MODULE_INDICATOR([mbsinit]) +gl_FUNC_MBSLEN +gl_STRING_MODULE_INDICATOR([mbslen]) +gl_FUNC_MBSRTOWCS +if test $HAVE_MBSRTOWCS = 0 || test $REPLACE_MBSRTOWCS = 1; then + AC_LIBOBJ([mbsrtowcs]) + AC_LIBOBJ([mbsrtowcs-state]) + gl_PREREQ_MBSRTOWCS +fi +gl_WCHAR_MODULE_INDICATOR([mbsrtowcs]) +gl_STRING_MODULE_INDICATOR([mbsstr]) +gl_MBSWIDTH +gl_FUNC_MBTOWC +if test $REPLACE_MBTOWC = 1; then + AC_LIBOBJ([mbtowc]) + gl_PREREQ_MBTOWC +fi +gl_STDLIB_MODULE_INDICATOR([mbtowc]) +gl_MBITER +gl_MEMCASECMP +gl_FUNC_MEMCHR +if test $HAVE_MEMCHR = 0 || test $REPLACE_MEMCHR = 1; then + AC_LIBOBJ([memchr]) + gl_PREREQ_MEMCHR +fi +gl_STRING_MODULE_INDICATOR([memchr]) +gl_MEMCOLL +gl_FUNC_MEMPCPY +if test $HAVE_MEMPCPY = 0; then + AC_LIBOBJ([mempcpy]) + gl_PREREQ_MEMPCPY +fi +gl_STRING_MODULE_INDICATOR([mempcpy]) +gl_FUNC_MEMRCHR +if test $ac_cv_func_memrchr = no; then + AC_LIBOBJ([memrchr]) + gl_PREREQ_MEMRCHR +fi +gl_STRING_MODULE_INDICATOR([memrchr]) +gl_MGETGROUPS +gl_MKANCESDIRS +gl_FUNC_MKDIR +if test $REPLACE_MKDIR = 1; then + AC_LIBOBJ([mkdir]) +fi +gl_MKDIR_PARENTS +gl_FUNC_MKFIFO +if test $HAVE_MKFIFO = 0 || test $REPLACE_MKFIFO = 1; then + AC_LIBOBJ([mkfifo]) +fi +gl_UNISTD_MODULE_INDICATOR([mkfifo]) +gl_FUNC_MKNOD +if test $HAVE_MKNOD = 0 || test $REPLACE_MKNOD = 1; then + AC_LIBOBJ([mknod]) +fi +gl_UNISTD_MODULE_INDICATOR([mknod]) +gl_FUNC_MKSTEMP +if test $HAVE_MKSTEMP = 0 || test $REPLACE_MKSTEMP = 1; then + AC_LIBOBJ([mkstemp]) + gl_PREREQ_MKSTEMP +fi +gl_STDLIB_MODULE_INDICATOR([mkstemp]) +gl_FUNC_MKTIME +if test $REPLACE_MKTIME = 1; then + AC_LIBOBJ([mktime]) + gl_PREREQ_MKTIME +fi +gl_TIME_MODULE_INDICATOR([mktime]) +gl_MODECHANGE +gl_MOUNTLIST +if test $gl_cv_list_mounted_fs = yes; then + AC_LIBOBJ([mountlist]) + gl_PREREQ_MOUNTLIST_EXTRA +fi +gl_MPSORT +gl_MSVC_INVAL +if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + AC_LIBOBJ([msvc-inval]) +fi +gl_MSVC_NOTHROW +if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + AC_LIBOBJ([msvc-nothrow]) +fi +gl_MULTIARCH +gl_FUNC_NANOSLEEP +if test $HAVE_NANOSLEEP = 0 || test $REPLACE_NANOSLEEP = 1; then + AC_LIBOBJ([nanosleep]) + gl_PREREQ_NANOSLEEP +fi +gl_TIME_MODULE_INDICATOR([nanosleep]) +gl_HEADER_NETDB +gl_HEADER_NETINET_IN +AC_PROG_MKDIR_P +gl_FUNC_NL_LANGINFO +if test $HAVE_NL_LANGINFO = 0 || test $REPLACE_NL_LANGINFO = 1; then + AC_LIBOBJ([nl_langinfo]) +fi +gl_LANGINFO_MODULE_INDICATOR([nl_langinfo]) +gl_NPROC +AC_FUNC_OBSTACK +dnl Note: AC_FUNC_OBSTACK does AC_LIBSOURCES([obstack.h, obstack.c]). +gl_FUNC_OPEN +if test $REPLACE_OPEN = 1; then + AC_LIBOBJ([open]) + gl_PREREQ_OPEN +fi +gl_FCNTL_MODULE_INDICATOR([open]) +gl_FUNC_OPENAT +if test $HAVE_OPENAT = 0 || test $REPLACE_OPENAT = 1; then + AC_LIBOBJ([openat]) + gl_PREREQ_OPENAT +fi +gl_MODULE_INDICATOR([openat]) dnl for lib/getcwd.c +gl_FCNTL_MODULE_INDICATOR([openat]) +gl_OPENAT_SAFER +gl_MODULE_INDICATOR([openat-safer]) +gl_FUNC_OPENDIR +if test $HAVE_OPENDIR = 0 || test $REPLACE_OPENDIR = 1; then + AC_LIBOBJ([opendir]) +fi +gl_DIRENT_MODULE_INDICATOR([opendir]) +gl_PARSE_DATETIME +gl_PATHMAX +gl_PERL +gl_PHYSMEM +gl_FUNC_PIPE2 +gl_UNISTD_MODULE_INDICATOR([pipe2]) +gl_MODULE_INDICATOR([pipe2-safer]) +gl_POSIX_SHELL +gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE = 1; then + AC_LIBOBJ([spawn_faction_addclose]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawn_file_actions_addclose]) +gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2 +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2 = 1; then + AC_LIBOBJ([spawn_faction_adddup2]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawn_file_actions_adddup2]) +gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN = 1; then + AC_LIBOBJ([spawn_faction_addopen]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawn_file_actions_addopen]) +gl_POSIX_SPAWN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then + AC_LIBOBJ([spawn_faction_destroy]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawn_file_actions_destroy]) +gl_POSIX_SPAWN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then + AC_LIBOBJ([spawn_faction_init]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawn_file_actions_init]) +gl_POSIX_SPAWN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then + AC_LIBOBJ([spawnattr_destroy]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawnattr_destroy]) +gl_POSIX_SPAWN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then + AC_LIBOBJ([spawnattr_init]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawnattr_init]) +gl_POSIX_SPAWN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then + AC_LIBOBJ([spawnattr_setflags]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawnattr_setflags]) +gl_POSIX_SPAWN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then + AC_LIBOBJ([spawnattr_setsigmask]) +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawnattr_setsigmask]) +gl_POSIX_SPAWN +if test $HAVE_POSIX_SPAWN = 0 || test $REPLACE_POSIX_SPAWN = 1; then + AC_LIBOBJ([spawnp]) + AC_LIBOBJ([spawni]) + gl_PREREQ_POSIX_SPAWN_INTERNAL +fi +gl_SPAWN_MODULE_INDICATOR([posix_spawnp]) +gl_POSIXTM +gl_POSIXVER +gl_FUNC_PRINTF_FREXP +gl_FUNC_PRINTF_FREXPL +m4_divert_text([INIT_PREPARE], [gl_printf_safe=yes]) +gl_PRIV_SET +AC_CHECK_DECLS([program_invocation_name], [], [], [#include <errno.h>]) +AC_CHECK_DECLS([program_invocation_short_name], [], [], [#include <errno.h>]) +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--keyword='proper_name:1,\"This is a proper name. See the gettext manual, section Names.\"']) + AM_][XGETTEXT_OPTION([--keyword='proper_name_utf8:1,\"This is a proper name. See the gettext manual, section Names.\"'])]) +gl_PTHREAD_CHECK +gl_FUNC_PUTENV +if test $REPLACE_PUTENV = 1; then + AC_LIBOBJ([putenv]) +fi +gl_STDLIB_MODULE_INDICATOR([putenv]) +gl_QUOTE +gl_QUOTEARG +gl_FUNC_RAISE +if test $HAVE_RAISE = 0 || test $REPLACE_RAISE = 1; then + AC_LIBOBJ([raise]) + gl_PREREQ_RAISE +fi +gl_SIGNAL_MODULE_INDICATOR([raise]) +gl_FUNC_RAWMEMCHR +if test $HAVE_RAWMEMCHR = 0; then + AC_LIBOBJ([rawmemchr]) + gl_PREREQ_RAWMEMCHR +fi +gl_STRING_MODULE_INDICATOR([rawmemchr]) +gl_FUNC_READ +if test $REPLACE_READ = 1; then + AC_LIBOBJ([read]) + gl_PREREQ_READ +fi +gl_UNISTD_MODULE_INDICATOR([read]) +gl_PREREQ_READ_FILE +gl_FUNC_READDIR +if test $HAVE_READDIR = 0; then + AC_LIBOBJ([readdir]) +fi +gl_DIRENT_MODULE_INDICATOR([readdir]) +gl_FUNC_READLINK +if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then + AC_LIBOBJ([readlink]) + gl_PREREQ_READLINK +fi +gl_UNISTD_MODULE_INDICATOR([readlink]) +gl_FUNC_READLINKAT +if test $HAVE_READLINKAT = 0; then + AC_LIBOBJ([readlinkat]) +fi +gl_UNISTD_MODULE_INDICATOR([readlinkat]) +gl_READTOKENS +gl_READUTMP +if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then + AC_LIBOBJ([readutmp]) +fi +gl_FUNC_REALLOC_GNU +if test $REPLACE_REALLOC = 1; then + AC_LIBOBJ([realloc]) +fi +gl_MODULE_INDICATOR([realloc-gnu]) +gl_FUNC_REALLOC_POSIX +if test $REPLACE_REALLOC = 1; then + AC_LIBOBJ([realloc]) +fi +gl_STDLIB_MODULE_INDICATOR([realloc-posix]) +gl_REGEX +if test $ac_use_included_regex = yes; then + AC_LIBOBJ([regex]) + gl_PREREQ_REGEX +fi +gl_FUNC_REMOVE +if test $REPLACE_REMOVE = 1; then + AC_LIBOBJ([remove]) +fi +gl_STDIO_MODULE_INDICATOR([remove]) +gl_FUNC_RENAME +if test $REPLACE_RENAME = 1; then + AC_LIBOBJ([rename]) +fi +gl_STDIO_MODULE_INDICATOR([rename]) +gl_FUNC_REWINDDIR +if test $HAVE_REWINDDIR = 0; then + AC_LIBOBJ([rewinddir]) +fi +gl_DIRENT_MODULE_INDICATOR([rewinddir]) +gl_FUNC_RMDIR +if test $REPLACE_RMDIR = 1; then + AC_LIBOBJ([rmdir]) +fi +gl_UNISTD_MODULE_INDICATOR([rmdir]) +gl_ROOT_DEV_INO +gl_FUNC_RPMATCH +if test $HAVE_RPMATCH = 0; then + AC_LIBOBJ([rpmatch]) + gl_PREREQ_RPMATCH +fi +gl_STDLIB_MODULE_INDICATOR([rpmatch]) +gl_PREREQ_SAFE_READ +gl_PREREQ_SAFE_WRITE +gl_SAME +gl_SAVE_CWD +gl_SAVEDIR +gl_SAVEWD +gl_SCHED_H +gl_FUNC_SELECT +if test $REPLACE_SELECT = 1; then + AC_LIBOBJ([select]) +fi +gl_SYS_SELECT_MODULE_INDICATOR([select]) +AC_CHECK_HEADERS([selinux/flask.h]) +AC_LIBOBJ([selinux-at]) +gl_HEADERS_SELINUX_SELINUX_H +gl_HEADERS_SELINUX_CONTEXT_H +AC_REQUIRE([AC_C_INLINE]) +if test "$with_selinux" != no && test "$ac_cv_header_selinux_selinux_h" = yes; then + AC_LIBOBJ([getfilecon]) +fi +gl_SERVENT +gl_FUNC_SETENV +if test $HAVE_SETENV = 0 || test $REPLACE_SETENV = 1; then + AC_LIBOBJ([setenv]) +fi +gl_STDLIB_MODULE_INDICATOR([setenv]) +gl_SETTIME +gl_FUNC_SIG2STR +if test $ac_cv_func_sig2str = no; then + AC_LIBOBJ([sig2str]) + gl_PREREQ_SIG2STR +fi +gl_SIGACTION +if test $HAVE_SIGACTION = 0; then + AC_LIBOBJ([sigaction]) + gl_PREREQ_SIGACTION +fi +gl_SIGNAL_MODULE_INDICATOR([sigaction]) +gl_SIGNAL_H +gl_SIGNBIT +if test $REPLACE_SIGNBIT = 1; then + AC_LIBOBJ([signbitf]) + AC_LIBOBJ([signbitd]) + AC_LIBOBJ([signbitl]) +fi +gl_MATH_MODULE_INDICATOR([signbit]) +gl_SIGNALBLOCKING +if test $HAVE_POSIX_SIGNALBLOCKING = 0; then + AC_LIBOBJ([sigprocmask]) + gl_PREREQ_SIGPROCMASK +fi +gl_SIGNAL_MODULE_INDICATOR([sigprocmask]) +gl_SIZE_MAX +gl_FUNC_SNPRINTF +gl_STDIO_MODULE_INDICATOR([snprintf]) +gl_MODULE_INDICATOR([snprintf]) +gl_SOCKETLIB +gl_SOCKETS +gl_TYPE_SOCKLEN_T +gl_SPAWN_H +gl_SPAWN_PIPE +gt_TYPE_SSIZE_T +gl_FUNC_STAT +if test $REPLACE_STAT = 1; then + AC_LIBOBJ([stat]) + gl_PREREQ_STAT +fi +gl_SYS_STAT_MODULE_INDICATOR([stat]) +gl_STAT_SIZE +gl_STAT_TIME +gl_STAT_BIRTHTIME +gl_STDALIGN_H +gl_STDARG_H +AM_STDBOOL_H +gl_STDDEF_H +gl_STDINT_H +gl_STDIO_H +gl_STDLIB_H +gl_FUNC_STPCPY +if test $HAVE_STPCPY = 0; then + AC_LIBOBJ([stpcpy]) + gl_PREREQ_STPCPY +fi +gl_STRING_MODULE_INDICATOR([stpcpy]) +gl_FUNC_STPNCPY +if test $HAVE_STPNCPY = 0 || test $REPLACE_STPNCPY = 1; then + AC_LIBOBJ([stpncpy]) + gl_PREREQ_STPNCPY +fi +gl_STRING_MODULE_INDICATOR([stpncpy]) +gl_STRCASE +if test $HAVE_STRCASECMP = 0; then + AC_LIBOBJ([strcasecmp]) + gl_PREREQ_STRCASECMP +fi +if test $HAVE_STRNCASECMP = 0; then + AC_LIBOBJ([strncasecmp]) + gl_PREREQ_STRNCASECMP +fi +gl_FUNC_STRCHRNUL +if test $HAVE_STRCHRNUL = 0 || test $REPLACE_STRCHRNUL = 1; then + AC_LIBOBJ([strchrnul]) + gl_PREREQ_STRCHRNUL +fi +gl_STRING_MODULE_INDICATOR([strchrnul]) +gl_FUNC_STRDUP_POSIX +if test $ac_cv_func_strdup = no || test $REPLACE_STRDUP = 1; then + AC_LIBOBJ([strdup]) + gl_PREREQ_STRDUP +fi +gl_STRING_MODULE_INDICATOR([strdup]) +gl_FUNC_STRERROR +if test $REPLACE_STRERROR = 1; then + AC_LIBOBJ([strerror]) +fi +gl_MODULE_INDICATOR([strerror]) +gl_STRING_MODULE_INDICATOR([strerror]) +AC_REQUIRE([gl_HEADER_ERRNO_H]) +AC_REQUIRE([gl_FUNC_STRERROR_0]) +if test -n "$ERRNO_H" || test $REPLACE_STRERROR_0 = 1; then + AC_LIBOBJ([strerror-override]) + gl_PREREQ_SYS_H_WINSOCK2 +fi +gl_FUNC_GNU_STRFTIME +if test $gl_cond_libtool = false; then + gl_ltlibdeps="$gl_ltlibdeps $LTLIBICONV" + gl_libdeps="$gl_libdeps $LIBICONV" +fi +gl_HEADER_STRING_H +gl_HEADER_STRINGS_H +gl_FUNC_STRNCAT +if test $REPLACE_STRNCAT = 1; then + AC_LIBOBJ([strncat]) + gl_PREREQ_STRNCAT +fi +gl_STRING_MODULE_INDICATOR([strncat]) +gl_FUNC_STRNDUP +if test $HAVE_STRNDUP = 0 || test $REPLACE_STRNDUP = 1; then + AC_LIBOBJ([strndup]) +fi +gl_STRING_MODULE_INDICATOR([strndup]) +gl_FUNC_STRNLEN +if test $HAVE_DECL_STRNLEN = 0 || test $REPLACE_STRNLEN = 1; then + AC_LIBOBJ([strnlen]) + gl_PREREQ_STRNLEN +fi +gl_STRING_MODULE_INDICATOR([strnlen]) +gl_FUNC_STRPBRK +if test $HAVE_STRPBRK = 0; then + AC_LIBOBJ([strpbrk]) + gl_PREREQ_STRPBRK +fi +gl_STRING_MODULE_INDICATOR([strpbrk]) +gl_FUNC_STRSIGNAL +if test $HAVE_STRSIGNAL = 0 || test $REPLACE_STRSIGNAL = 1; then + AC_LIBOBJ([strsignal]) + gl_PREREQ_STRSIGNAL +fi +gl_STRING_MODULE_INDICATOR([strsignal]) +gl_FUNC_STRSTR_SIMPLE +if test $REPLACE_STRSTR = 1; then + AC_LIBOBJ([strstr]) +fi +gl_STRING_MODULE_INDICATOR([strstr]) +gl_FUNC_STRTOD +if test $HAVE_STRTOD = 0 || test $REPLACE_STRTOD = 1; then + AC_LIBOBJ([strtod]) + gl_PREREQ_STRTOD +fi +gl_STDLIB_MODULE_INDICATOR([strtod]) +gl_FUNC_STRTOIMAX +if test $HAVE_STRTOIMAX = 0 || test $REPLACE_STRTOIMAX = 1; then + AC_LIBOBJ([strtoimax]) + gl_PREREQ_STRTOIMAX +fi +gl_INTTYPES_MODULE_INDICATOR([strtoimax]) +gl_FUNC_STRTOLL +if test $HAVE_STRTOLL = 0; then + AC_LIBOBJ([strtoll]) + gl_PREREQ_STRTOLL +fi +gl_STDLIB_MODULE_INDICATOR([strtoll]) +gl_FUNC_STRTOULL +if test $HAVE_STRTOULL = 0; then + AC_LIBOBJ([strtoull]) + gl_PREREQ_STRTOULL +fi +gl_STDLIB_MODULE_INDICATOR([strtoull]) +gl_FUNC_STRTOUMAX +if test $ac_cv_func_strtoumax = no; then + AC_LIBOBJ([strtoumax]) + gl_PREREQ_STRTOUMAX +fi +gl_INTTYPES_MODULE_INDICATOR([strtoumax]) +gl_FUNC_SYMLINK +if test $HAVE_SYMLINK = 0 || test $REPLACE_SYMLINK = 1; then + AC_LIBOBJ([symlink]) +fi +gl_UNISTD_MODULE_INDICATOR([symlink]) +gl_SYS_IOCTL_H +AC_PROG_MKDIR_P +gl_HEADER_SYS_RESOURCE +AC_PROG_MKDIR_P +gl_HEADER_SYS_SELECT +AC_PROG_MKDIR_P +gl_HEADER_SYS_SOCKET +AC_PROG_MKDIR_P +gl_HEADER_SYS_STAT_H +AC_PROG_MKDIR_P +gl_HEADER_SYS_TIME_H +AC_PROG_MKDIR_P +gl_SYS_TYPES_H +AC_PROG_MKDIR_P +gl_HEADER_SYS_UIO +AC_PROG_MKDIR_P +gl_SYS_UTSNAME_H +AC_PROG_MKDIR_P +gl_SYS_WAIT_H +AC_PROG_MKDIR_P +gl_FUNC_GEN_TEMPNAME +gl_TERMIOS_H +gl_THREADLIB +gl_HEADER_TIME_H +gl_TIME_R +if test $HAVE_LOCALTIME_R = 0 || test $REPLACE_LOCALTIME_R = 1; then + AC_LIBOBJ([time_r]) + gl_PREREQ_TIME_R +fi +gl_TIME_MODULE_INDICATOR([time_r]) +gl_TIMER_TIME +gl_TIMESPEC +gl_TLS +gl_FUNC_TZSET +AC_REQUIRE([AC_C_INLINE]) +gl_FUNC_UNAME +if test $HAVE_UNAME = 0; then + AC_LIBOBJ([uname]) + gl_PREREQ_UNAME +fi +gl_SYS_UTSNAME_MODULE_INDICATOR([uname]) +gl_UNICODEIO +gl_UNISTD_H +gl_UNISTD_SAFER +gl_LIBUNISTRING_LIBHEADER([0.9.2], [unistr.h]) +gl_MODULE_INDICATOR([unistr/u8-mbtoucr]) +gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-mbtoucr]) +gl_MODULE_INDICATOR([unistr/u8-uctomb]) +gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-uctomb]) +gl_LIBUNISTRING_LIBHEADER([0.9], [unitypes.h]) +gl_LIBUNISTRING_LIBHEADER([0.9], [uniwidth.h]) +gl_LIBUNISTRING_MODULE([0.9.4], [uniwidth/width]) +gl_FUNC_UNLINK +if test $REPLACE_UNLINK = 1; then + AC_LIBOBJ([unlink]) +fi +gl_UNISTD_MODULE_INDICATOR([unlink]) +gl_FUNC_UNLINK_BUSY_TEXT +gl_FUNC_UNLINKAT +if test $HAVE_UNLINKAT = 0 || test $REPLACE_UNLINKAT = 1; then + AC_LIBOBJ([unlinkat]) +fi +gl_UNISTD_MODULE_INDICATOR([unlinkat]) +gl_FUNC_GLIBC_UNLOCKED_IO +gl_FUNC_UNSETENV +if test $HAVE_UNSETENV = 0 || test $REPLACE_UNSETENV = 1; then + AC_LIBOBJ([unsetenv]) + gl_PREREQ_UNSETENV +fi +gl_STDLIB_MODULE_INDICATOR([unsetenv]) +gl_SYS_PROC_UPTIME +gl_USERSPEC +gl_UTIMECMP +gl_UTIMENS +gl_FUNC_UTIMENSAT +if test $HAVE_UTIMENSAT = 0 || test $REPLACE_UTIMENSAT = 1; then + AC_LIBOBJ([utimensat]) +fi +gl_SYS_STAT_MODULE_INDICATOR([utimensat]) +gl_FUNC_VASNPRINTF +gl_FUNC_VASPRINTF +gl_STDIO_MODULE_INDICATOR([vasprintf]) +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--flag=asprintf:2:c-format]) + AM_][XGETTEXT_OPTION([--flag=vasprintf:2:c-format])]) +gl_FUNC_VASPRINTF_POSIX +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--flag=verror:3:c-format]) + AM_][XGETTEXT_OPTION([--flag=verror_at_line:5:c-format])]) +gl_VERSION_ETC +gl_FUNC_VFPRINTF_POSIX +gl_STDIO_MODULE_INDICATOR([vfprintf-posix]) +gl_FUNC_VPRINTF_POSIX +gl_STDIO_MODULE_INDICATOR([vprintf-posix]) +gl_WAIT_PROCESS +gl_FUNC_WAITPID +if test $HAVE_WAITPID = 0; then + AC_LIBOBJ([waitpid]) +fi +gl_SYS_WAIT_MODULE_INDICATOR([waitpid]) +AC_SUBST([WARN_CFLAGS]) +gl_WCHAR_H +gl_FUNC_WCRTOMB +if test $HAVE_WCRTOMB = 0 || test $REPLACE_WCRTOMB = 1; then + AC_LIBOBJ([wcrtomb]) + gl_PREREQ_WCRTOMB +fi +gl_WCHAR_MODULE_INDICATOR([wcrtomb]) +gl_FUNC_WCSWIDTH +if test $HAVE_WCSWIDTH = 0 || test $REPLACE_WCSWIDTH = 1; then + AC_LIBOBJ([wcswidth]) +fi +gl_WCHAR_MODULE_INDICATOR([wcswidth]) +gl_WCTYPE_H +gl_FUNC_WCWIDTH +if test $HAVE_WCWIDTH = 0 || test $REPLACE_WCWIDTH = 1; then + AC_LIBOBJ([wcwidth]) +fi +gl_WCHAR_MODULE_INDICATOR([wcwidth]) +gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL +gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H +gl_WINSIZE_IN_PTEM +gl_FUNC_WRITE +if test $REPLACE_WRITE = 1; then + AC_LIBOBJ([write]) + gl_PREREQ_WRITE +fi +gl_UNISTD_MODULE_INDICATOR([write]) +gl_WRITE_ANY_FILE +gl_XALLOC +gl_XGETCWD +gl_MODULE_INDICATOR([xgetgroups]) +gl_XNANOSLEEP +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--flag=xprintf:1:c-format]) + AM_][XGETTEXT_OPTION([--flag=xvprintf:1:c-format]) + AM_][XGETTEXT_OPTION([--flag=xfprintf:2:c-format]) + AM_][XGETTEXT_OPTION([--flag=xvfprintf:2:c-format])]) +gl_XSIZE +gl_XSTRNDUP +gl_XSTRTOD +gl_XSTRTOL +gl_XSTRTOLD +gl_XVASPRINTF +m4_ifdef([AM_XGETTEXT_OPTION], + [AM_][XGETTEXT_OPTION([--flag=xasprintf:1:c-format])]) +gl_YESNO + # End of code from modules + m4_ifval(gl_LIBSOURCES_LIST, [ + m4_syscmd([test ! -d ]m4_defn([gl_LIBSOURCES_DIR])[ || + for gl_file in ]gl_LIBSOURCES_LIST[ ; do + if test ! -r ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file ; then + echo "missing file ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file" >&2 + exit 1 + fi + done])dnl + m4_if(m4_sysval, [0], [], + [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])]) + ]) + m4_popdef([gl_LIBSOURCES_DIR]) + m4_popdef([gl_LIBSOURCES_LIST]) + m4_popdef([AC_LIBSOURCES]) + m4_popdef([AC_REPLACE_FUNCS]) + m4_popdef([AC_LIBOBJ]) + AC_CONFIG_COMMANDS_PRE([ + gl_libobjs= + gl_ltlibobjs= + if test -n "$gl_LIBOBJS"; then + # Remove the extension. + sed_drop_objext='s/\.o$//;s/\.obj$//' + for i in `for i in $gl_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do + gl_libobjs="$gl_libobjs $i.$ac_objext" + gl_ltlibobjs="$gl_ltlibobjs $i.lo" + done + fi + AC_SUBST([gl_LIBOBJS], [$gl_libobjs]) + AC_SUBST([gl_LTLIBOBJS], [$gl_ltlibobjs]) + ]) + gltests_libdeps= + gltests_ltlibdeps= + m4_pushdef([AC_LIBOBJ], m4_defn([gltests_LIBOBJ])) + m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gltests_REPLACE_FUNCS])) + m4_pushdef([AC_LIBSOURCES], m4_defn([gltests_LIBSOURCES])) + m4_pushdef([gltests_LIBSOURCES_LIST], []) + m4_pushdef([gltests_LIBSOURCES_DIR], []) + gl_COMMON + gl_source_base='gnulib-tests' +changequote(,)dnl + gltests_WITNESS=IN_`echo "${PACKAGE-$PACKAGE_TARNAME}" | LC_ALL=C tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | LC_ALL=C sed -e 's/[^A-Z0-9_]/_/g'`_GNULIB_TESTS +changequote([, ])dnl + AC_SUBST([gltests_WITNESS]) + gl_module_indicator_condition=$gltests_WITNESS + m4_pushdef([gl_MODULE_INDICATOR_CONDITION], [$gl_module_indicator_condition]) +AC_REQUIRE([gl_HEADER_SYS_SOCKET]) +if test "$ac_cv_header_winsock2_h" = yes; then + AC_LIBOBJ([accept]) +fi +gl_SYS_SOCKET_MODULE_INDICATOR([accept]) +AC_CHECK_DECLS_ONCE([alarm]) +AC_REQUIRE([gl_HEADER_SYS_SOCKET]) +if test "$ac_cv_header_winsock2_h" = yes; then + AC_LIBOBJ([bind]) +fi +gl_SYS_SOCKET_MODULE_INDICATOR([bind]) +gt_LOCALE_FR +gt_LOCALE_FR_UTF8 +gt_LOCALE_FR +gt_LOCALE_TR_UTF8 +AC_CHECK_FUNCS_ONCE([getegid]) +AC_REQUIRE([gl_HEADER_SYS_SOCKET]) +if test "$ac_cv_header_winsock2_h" = yes; then + AC_LIBOBJ([connect]) +fi +gl_SYS_SOCKET_MODULE_INDICATOR([connect]) +AC_CHECK_FUNCS_ONCE([getegid]) +AC_REQUIRE([AC_C_INLINE]) +gl_FUNC_UNGETC_WORKS +gl_FUNC_UNGETC_WORKS +gl_FUNC_UNGETC_WORKS +gl_FUNC_UNGETC_WORKS +AC_REQUIRE([AC_C_INLINE]) +AC_C_BIGENDIAN +gl_FUNC_INET_PTON +if test $HAVE_INET_PTON = 0 || test $REPLACE_INET_NTOP = 1; then + AC_LIBOBJ([inet_pton]) + gl_PREREQ_INET_PTON +fi +gl_ARPA_INET_MODULE_INDICATOR([inet_pton]) +AC_C_BIGENDIAN +gl_FUNC_IOCTL +if test $HAVE_IOCTL = 0 || test $REPLACE_IOCTL = 1; then + AC_LIBOBJ([ioctl]) +fi +gl_SYS_IOCTL_MODULE_INDICATOR([ioctl]) +gl_DOUBLE_EXPONENT_LOCATION +gl_FLOAT_EXPONENT_LOCATION +gl_LONG_DOUBLE_EXPONENT_LOCATION +AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) +AC_CHECK_FUNCS_ONCE([getegid]) +AC_REQUIRE([gl_HEADER_SYS_SOCKET]) +if test "$ac_cv_header_winsock2_h" = yes; then + AC_LIBOBJ([listen]) +fi +gl_SYS_SOCKET_MODULE_INDICATOR([listen]) +AC_CHECK_FUNCS_ONCE([newlocale]) +gl_LOCALENAME +AC_CHECK_FUNCS_ONCE([newlocale]) +gt_LOCALE_FR +gt_LOCALE_FR_UTF8 +gt_LOCALE_JA +gt_LOCALE_ZH_CN +gt_LOCALE_TR_UTF8 +gt_LOCALE_FR_UTF8 +gt_LOCALE_FR +gt_LOCALE_FR_UTF8 +gt_LOCALE_JA +gt_LOCALE_ZH_CN +gt_LOCALE_FR_UTF8 +gt_LOCALE_ZH_CN +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +dnl Check for prerequisites for memory fence checks. +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +AC_CHECK_DECLS_ONCE([alarm]) +gt_LOCALE_FR +gt_LOCALE_FR_UTF8 +gl_FUNC_PERROR +if test $REPLACE_PERROR = 1; then + AC_LIBOBJ([perror]) +fi +gl_STRING_MODULE_INDICATOR([perror]) +gl_FUNC_PIPE +if test $HAVE_PIPE = 0; then + AC_LIBOBJ([pipe]) +fi +gl_UNISTD_MODULE_INDICATOR([pipe]) +AC_EGREP_CPP([notposix], [[ +#if defined _MSC_VER || defined __MINGW32__ + notposix +#endif + ]], + [posix_spawn_ported=no], + [posix_spawn_ported=yes]) +AM_CONDITIONAL([POSIX_SPAWN_PORTED], [test $posix_spawn_ported = yes]) +dnl Check for prerequisites for memory fence checks. +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +AC_CHECK_HEADERS_ONCE([sys/wait.h]) +gl_FUNC_SETLOCALE +if test $REPLACE_SETLOCALE = 1; then + AC_LIBOBJ([setlocale]) + gl_PREREQ_SETLOCALE +fi +gl_LOCALE_MODULE_INDICATOR([setlocale]) +gt_LOCALE_FR +gt_LOCALE_FR_UTF8 +gt_LOCALE_JA +gt_LOCALE_ZH_CN +AC_REQUIRE([gl_HEADER_SYS_SOCKET]) +if test "$ac_cv_header_winsock2_h" = yes; then + AC_LIBOBJ([setsockopt]) +fi +gl_SYS_SOCKET_MODULE_INDICATOR([setsockopt]) +AC_REQUIRE([gl_FLOAT_EXPONENT_LOCATION]) +AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION]) +AC_REQUIRE([gl_LONG_DOUBLE_EXPONENT_LOCATION]) +gl_FUNC_SLEEP +if test $HAVE_SLEEP = 0 || test $REPLACE_SLEEP = 1; then + AC_LIBOBJ([sleep]) +fi +gl_UNISTD_MODULE_INDICATOR([sleep]) +AC_CHECK_DECLS_ONCE([alarm]) +AC_REQUIRE([gl_HEADER_SYS_SOCKET]) +if test "$ac_cv_header_winsock2_h" = yes; then + AC_LIBOBJ([socket]) +fi +# When this module is used, sockets may actually occur as file descriptors, +# hence it is worth warning if the modules 'close' and 'ioctl' are not used. +m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])]) +m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])]) +AC_REQUIRE([gl_PREREQ_SYS_H_WINSOCK2]) +if test "$ac_cv_header_winsock2_h" = yes; then + UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1 + SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=1 +fi +gl_SYS_SOCKET_MODULE_INDICATOR([socket]) +gt_TYPE_WCHAR_T +gt_TYPE_WINT_T +gl_FUNC_STRERROR_R +if test $HAVE_DECL_STRERROR_R = 0 || test $REPLACE_STRERROR_R = 1; then + AC_LIBOBJ([strerror_r]) + gl_PREREQ_STRERROR_R +fi +gl_STRING_MODULE_INDICATOR([strerror_r]) +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +dnl Check for prerequisites for memory fence checks. +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) +gl_FUNC_SYMLINKAT +if test $HAVE_SYMLINKAT = 0; then + AC_LIBOBJ([symlinkat]) +fi +gl_UNISTD_MODULE_INDICATOR([symlinkat]) +AC_CHECK_FUNCS_ONCE([shutdown]) +gl_THREAD +gl_UNLINKDIR +abs_aux_dir=`cd "$ac_aux_dir"; pwd` +AC_SUBST([abs_aux_dir]) +gl_FUNC_USLEEP +if test $HAVE_USLEEP = 0 || test $REPLACE_USLEEP = 1; then + AC_LIBOBJ([usleep]) +fi +gl_UNISTD_MODULE_INDICATOR([usleep]) +AC_REQUIRE([AC_C_INLINE]) +AC_REQUIRE([AC_C_INLINE]) +AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) +abs_aux_dir=`cd "$ac_aux_dir"; pwd` +AC_SUBST([abs_aux_dir]) +gt_LOCALE_FR +gt_LOCALE_FR_UTF8 +gt_LOCALE_JA +gt_LOCALE_ZH_CN +gl_FUNC_WCTOB +if test $HAVE_WCTOB = 0 || test $REPLACE_WCTOB = 1; then + AC_LIBOBJ([wctob]) + gl_PREREQ_WCTOB +fi +gl_WCHAR_MODULE_INDICATOR([wctob]) +gl_FUNC_WCTOMB +if test $REPLACE_WCTOMB = 1; then + AC_LIBOBJ([wctomb]) + gl_PREREQ_WCTOMB +fi +gl_STDLIB_MODULE_INDICATOR([wctomb]) +gl_YIELD + m4_popdef([gl_MODULE_INDICATOR_CONDITION]) + m4_ifval(gltests_LIBSOURCES_LIST, [ + m4_syscmd([test ! -d ]m4_defn([gltests_LIBSOURCES_DIR])[ || + for gl_file in ]gltests_LIBSOURCES_LIST[ ; do + if test ! -r ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file ; then + echo "missing file ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file" >&2 + exit 1 + fi + done])dnl + m4_if(m4_sysval, [0], [], + [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])]) + ]) + m4_popdef([gltests_LIBSOURCES_DIR]) + m4_popdef([gltests_LIBSOURCES_LIST]) + m4_popdef([AC_LIBSOURCES]) + m4_popdef([AC_REPLACE_FUNCS]) + m4_popdef([AC_LIBOBJ]) + AC_CONFIG_COMMANDS_PRE([ + gltests_libobjs= + gltests_ltlibobjs= + if test -n "$gltests_LIBOBJS"; then + # Remove the extension. + sed_drop_objext='s/\.o$//;s/\.obj$//' + for i in `for i in $gltests_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do + gltests_libobjs="$gltests_libobjs $i.$ac_objext" + gltests_ltlibobjs="$gltests_ltlibobjs $i.lo" + done + fi + AC_SUBST([gltests_LIBOBJS], [$gltests_libobjs]) + AC_SUBST([gltests_LTLIBOBJS], [$gltests_ltlibobjs]) + ]) + LIBCOREUTILS_LIBDEPS="$gl_libdeps" + AC_SUBST([LIBCOREUTILS_LIBDEPS]) + LIBCOREUTILS_LTLIBDEPS="$gl_ltlibdeps" + AC_SUBST([LIBCOREUTILS_LTLIBDEPS]) + LIBTESTS_LIBDEPS="$gltests_libdeps" + AC_SUBST([LIBTESTS_LIBDEPS]) +]) + +# Like AC_LIBOBJ, except that the module name goes +# into gl_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gl_LIBOBJ], [ + AS_LITERAL_IF([$1], [gl_LIBSOURCES([$1.c])])dnl + gl_LIBOBJS="$gl_LIBOBJS $1.$ac_objext" +]) + +# Like AC_REPLACE_FUNCS, except that the module name goes +# into gl_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gl_REPLACE_FUNCS], [ + m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl + AC_CHECK_FUNCS([$1], , [gl_LIBOBJ($ac_func)]) +]) + +# Like AC_LIBSOURCES, except the directory where the source file is +# expected is derived from the gnulib-tool parameterization, +# and alloca is special cased (for the alloca-opt module). +# We could also entirely rely on EXTRA_lib..._SOURCES. +AC_DEFUN([gl_LIBSOURCES], [ + m4_foreach([_gl_NAME], [$1], [ + m4_if(_gl_NAME, [alloca.c], [], [ + m4_define([gl_LIBSOURCES_DIR], [lib]) + m4_append([gl_LIBSOURCES_LIST], _gl_NAME, [ ]) + ]) + ]) +]) + +# Like AC_LIBOBJ, except that the module name goes +# into gltests_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gltests_LIBOBJ], [ + AS_LITERAL_IF([$1], [gltests_LIBSOURCES([$1.c])])dnl + gltests_LIBOBJS="$gltests_LIBOBJS $1.$ac_objext" +]) + +# Like AC_REPLACE_FUNCS, except that the module name goes +# into gltests_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gltests_REPLACE_FUNCS], [ + m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl + AC_CHECK_FUNCS([$1], , [gltests_LIBOBJ($ac_func)]) +]) + +# Like AC_LIBSOURCES, except the directory where the source file is +# expected is derived from the gnulib-tool parameterization, +# and alloca is special cased (for the alloca-opt module). +# We could also entirely rely on EXTRA_lib..._SOURCES. +AC_DEFUN([gltests_LIBSOURCES], [ + m4_foreach([_gl_NAME], [$1], [ + m4_if(_gl_NAME, [alloca.c], [], [ + m4_define([gltests_LIBSOURCES_DIR], [gnulib-tests]) + m4_append([gltests_LIBSOURCES_LIST], _gl_NAME, [ ]) + ]) + ]) +]) + +# This macro records the list of files which have been installed by +# gnulib-tool and may be removed by future gnulib-tool invocations. +AC_DEFUN([gl_FILE_LIST], [ + build-aux/announce-gen + build-aux/config.rpath + build-aux/do-release-commit-and-tag + build-aux/gendocs.sh + build-aux/git-version-gen + build-aux/gitlog-to-changelog + build-aux/gnu-web-doc-update + build-aux/gnupload + build-aux/snippet/_Noreturn.h + build-aux/snippet/arg-nonnull.h + build-aux/snippet/c++defs.h + build-aux/snippet/unused-parameter.h + build-aux/snippet/warn-on-use.h + build-aux/update-copyright + build-aux/useless-if-before-free + build-aux/vc-list-files + doc/fdl.texi + doc/gendocs_template + doc/parse-datetime.texi + lib/acl-internal.h + lib/acl.h + lib/acl_entries.c + lib/alignof.h + lib/alloca.c + lib/alloca.in.h + lib/allocator.c + lib/allocator.h + lib/anytostr.c + lib/areadlink-with-size.c + lib/areadlink.c + lib/areadlink.h + lib/areadlinkat.c + lib/argmatch.c + lib/argmatch.h + lib/argv-iter.c + lib/argv-iter.h + lib/arpa_inet.in.h + lib/asnprintf.c + lib/asprintf.c + lib/at-func.c + lib/at-func2.c + lib/backupfile.c + lib/backupfile.h + lib/base64.c + lib/base64.h + lib/basename-lgpl.c + lib/basename.c + lib/binary-io.h + lib/bitrotate.h + lib/btowc.c + lib/c-ctype.c + lib/c-ctype.h + lib/c-strcase.h + lib/c-strcasecmp.c + lib/c-strcaseeq.h + lib/c-strncasecmp.c + lib/c-strtod.c + lib/c-strtod.h + lib/c-strtold.c + lib/calloc.c + lib/canon-host.c + lib/canon-host.h + lib/canonicalize.c + lib/canonicalize.h + lib/careadlinkat.c + lib/careadlinkat.h + lib/chdir-long.c + lib/chdir-long.h + lib/chown.c + lib/cloexec.c + lib/cloexec.h + lib/close-stream.c + lib/close-stream.h + lib/close.c + lib/closedir.c + lib/closein.c + lib/closein.h + lib/closeout.c + lib/closeout.h + lib/config.charset + lib/copy-acl.c + lib/creat-safer.c + lib/ctype.in.h + lib/cycle-check.c + lib/cycle-check.h + lib/dev-ino.h + lib/di-set.c + lib/di-set.h + lib/diacrit.c + lib/diacrit.h + lib/dirchownmod.c + lib/dirchownmod.h + lib/dirent--.h + lib/dirent-private.h + lib/dirent-safer.h + lib/dirent.in.h + lib/dirfd.c + lib/dirname-lgpl.c + lib/dirname.c + lib/dirname.h + lib/dosname.h + lib/dtoastr.c + lib/dtotimespec.c + lib/dup-safer-flag.c + lib/dup-safer.c + lib/dup.c + lib/dup2.c + lib/errno.in.h + lib/error.c + lib/error.h + lib/euidaccess.c + lib/exclude.c + lib/exclude.h + lib/exitfail.c + lib/exitfail.h + lib/faccessat.c + lib/fadvise.c + lib/fadvise.h + lib/fatal-signal.c + lib/fatal-signal.h + lib/fchdir.c + lib/fchmodat.c + lib/fchown-stub.c + lib/fchownat.c + lib/fclose.c + lib/fcntl--.h + lib/fcntl-safer.h + lib/fcntl.c + lib/fcntl.in.h + lib/fd-hook.c + lib/fd-hook.h + lib/fd-safer-flag.c + lib/fd-safer.c + lib/fdatasync.c + lib/fdopen.c + lib/fdopendir.c + lib/fdutimensat.c + lib/fflush.c + lib/file-has-acl.c + lib/file-set.c + lib/file-set.h + lib/file-type.c + lib/file-type.h + lib/fileblocks.c + lib/filemode.c + lib/filemode.h + lib/filename.h + lib/filenamecat-lgpl.c + lib/filenamecat.c + lib/filenamecat.h + lib/filevercmp.c + lib/filevercmp.h + lib/float+.h + lib/float.c + lib/float.in.h + lib/fnmatch.c + lib/fnmatch.in.h + lib/fnmatch_loop.c + lib/fopen-safer.c + lib/fopen.c + lib/fpending.c + lib/fpending.h + lib/fprintftime.c + lib/fprintftime.h + lib/fpucw.h + lib/fpurge.c + lib/freadahead.c + lib/freadahead.h + lib/freading.c + lib/freading.h + lib/freadptr.c + lib/freadptr.h + lib/freadseek.c + lib/freadseek.h + lib/freopen-safer.c + lib/freopen.c + lib/frexp.c + lib/frexpl.c + lib/fseek.c + lib/fseeko.c + lib/fseterr.c + lib/fseterr.h + lib/fstat.c + lib/fstatat.c + lib/fsusage.c + lib/fsusage.h + lib/fsync.c + lib/ftell.c + lib/ftello.c + lib/ftoastr.c + lib/ftoastr.h + lib/ftruncate.c + lib/fts-cycle.c + lib/fts.c + lib/fts_.h + lib/full-read.c + lib/full-read.h + lib/full-write.c + lib/full-write.h + lib/futimens.c + lib/gai_strerror.c + lib/getaddrinfo.c + lib/getcwd-lgpl.c + lib/getcwd.c + lib/getdelim.c + lib/getdtablesize.c + lib/getfilecon.c + lib/getgroups.c + lib/gethostname.c + lib/gethrxtime.c + lib/gethrxtime.h + lib/getline.c + lib/getloadavg.c + lib/getlogin.c + lib/getndelim2.c + lib/getndelim2.h + lib/getopt.c + lib/getopt.in.h + lib/getopt1.c + lib/getopt_int.h + lib/getpagesize.c + lib/getpass.c + lib/getpass.h + lib/gettext.h + lib/gettime.c + lib/gettimeofday.c + lib/getugroups.c + lib/getugroups.h + lib/getusershell.c + lib/glthread/lock.c + lib/glthread/lock.h + lib/glthread/threadlib.c + lib/glthread/tls.c + lib/glthread/tls.h + lib/group-member.c + lib/hard-locale.c + lib/hard-locale.h + lib/hash-pjw.c + lib/hash-pjw.h + lib/hash-triple.c + lib/hash-triple.h + lib/hash.c + lib/hash.h + lib/heap.c + lib/heap.h + lib/human.c + lib/human.h + lib/i-ring.c + lib/i-ring.h + lib/iconv.c + lib/iconv.in.h + lib/iconv_close.c + lib/iconv_open-aix.gperf + lib/iconv_open-hpux.gperf + lib/iconv_open-irix.gperf + lib/iconv_open-osf.gperf + lib/iconv_open-solaris.gperf + lib/iconv_open.c + lib/idcache.c + lib/idcache.h + lib/ignore-value.h + lib/imaxtostr.c + lib/inet_ntop.c + lib/ino-map.c + lib/ino-map.h + lib/intprops.h + lib/inttostr.c + lib/inttostr.h + lib/inttypes.in.h + lib/isapipe.c + lib/isapipe.h + lib/isatty.c + lib/isblank.c + lib/isnan.c + lib/isnand-nolibm.h + lib/isnand.c + lib/isnanf-nolibm.h + lib/isnanf.c + lib/isnanl-nolibm.h + lib/isnanl.c + lib/iswblank.c + lib/itold.c + lib/langinfo.in.h + lib/lchown.c + lib/ldtoastr.c + lib/linebuffer.c + lib/linebuffer.h + lib/link.c + lib/linkat.c + lib/localcharset.c + lib/localcharset.h + lib/locale.in.h + lib/localeconv.c + lib/long-options.c + lib/long-options.h + lib/lseek.c + lib/lstat.c + lib/malloc.c + lib/malloca.c + lib/malloca.h + lib/malloca.valgrind + lib/math.in.h + lib/mbchar.c + lib/mbchar.h + lib/mbiter.h + lib/mbrlen.c + lib/mbrtowc.c + lib/mbsalign.c + lib/mbsalign.h + lib/mbscasecmp.c + lib/mbsinit.c + lib/mbslen.c + lib/mbsrtowcs-impl.h + lib/mbsrtowcs-state.c + lib/mbsrtowcs.c + lib/mbsstr.c + lib/mbswidth.c + lib/mbswidth.h + lib/mbtowc-impl.h + lib/mbtowc.c + lib/mbuiter.h + lib/md5.c + lib/md5.h + lib/memcasecmp.c + lib/memcasecmp.h + lib/memchr.c + lib/memchr.valgrind + lib/memchr2.c + lib/memchr2.h + lib/memchr2.valgrind + lib/memcmp2.c + lib/memcmp2.h + lib/memcoll.c + lib/memcoll.h + lib/mempcpy.c + lib/memrchr.c + lib/mgetgroups.c + lib/mgetgroups.h + lib/mkancesdirs.c + lib/mkancesdirs.h + lib/mkdir-p.c + lib/mkdir-p.h + lib/mkdir.c + lib/mkfifo.c + lib/mknod.c + lib/mkstemp-safer.c + lib/mkstemp.c + lib/mktime-internal.h + lib/mktime.c + lib/modechange.c + lib/modechange.h + lib/mountlist.c + lib/mountlist.h + lib/mpsort.c + lib/mpsort.h + lib/msvc-inval.c + lib/msvc-inval.h + lib/msvc-nothrow.c + lib/msvc-nothrow.h + lib/nanosleep.c + lib/netdb.in.h + lib/netinet_in.in.h + lib/nl_langinfo.c + lib/nproc.c + lib/nproc.h + lib/obstack.c + lib/obstack.h + lib/offtostr.c + lib/open-safer.c + lib/open.c + lib/openat-die.c + lib/openat-priv.h + lib/openat-proc.c + lib/openat-safer.c + lib/openat.c + lib/openat.h + lib/opendir-safer.c + lib/opendir.c + lib/parse-datetime.h + lib/parse-datetime.y + lib/pathmax.h + lib/physmem.c + lib/physmem.h + lib/pipe-safer.c + lib/pipe.h + lib/pipe2-safer.c + lib/pipe2.c + lib/posixtm.c + lib/posixtm.h + lib/posixver.c + lib/posixver.h + lib/printf-args.c + lib/printf-args.h + lib/printf-frexp.c + lib/printf-frexp.h + lib/printf-frexpl.c + lib/printf-frexpl.h + lib/printf-parse.c + lib/printf-parse.h + lib/priv-set.c + lib/priv-set.h + lib/progname.c + lib/progname.h + lib/propername.c + lib/propername.h + lib/pthread.in.h + lib/putenv.c + lib/quote.h + lib/quotearg.c + lib/quotearg.h + lib/raise.c + lib/rand-isaac.c + lib/rand-isaac.h + lib/randint.c + lib/randint.h + lib/randperm.c + lib/randperm.h + lib/randread.c + lib/randread.h + lib/rawmemchr.c + lib/rawmemchr.valgrind + lib/read-file.c + lib/read-file.h + lib/read.c + lib/readdir.c + lib/readlink.c + lib/readlinkat.c + lib/readtokens.c + lib/readtokens.h + lib/readtokens0.c + lib/readtokens0.h + lib/readutmp.c + lib/readutmp.h + lib/realloc.c + lib/ref-add.sin + lib/ref-del.sin + lib/regcomp.c + lib/regex.c + lib/regex.h + lib/regex_internal.c + lib/regex_internal.h + lib/regexec.c + lib/remove.c + lib/rename.c + lib/rewinddir.c + lib/rmdir.c + lib/root-dev-ino.c + lib/root-dev-ino.h + lib/rpmatch.c + lib/safe-read.c + lib/safe-read.h + lib/safe-write.c + lib/safe-write.h + lib/same-inode.h + lib/same.c + lib/same.h + lib/save-cwd.c + lib/save-cwd.h + lib/savedir.c + lib/savedir.h + lib/savewd.c + lib/savewd.h + lib/sched.in.h + lib/se-context.in.h + lib/se-selinux.in.h + lib/select.c + lib/selinux-at.c + lib/selinux-at.h + lib/set-mode-acl.c + lib/setenv.c + lib/settime.c + lib/sha1.c + lib/sha1.h + lib/sha256.c + lib/sha256.h + lib/sha512.c + lib/sha512.h + lib/sig-handler.h + lib/sig2str.c + lib/sig2str.h + lib/sigaction.c + lib/siglist.h + lib/signal.in.h + lib/signbitd.c + lib/signbitf.c + lib/signbitl.c + lib/sigprocmask.c + lib/size_max.h + lib/snprintf.c + lib/sockets.c + lib/sockets.h + lib/spawn-pipe.c + lib/spawn-pipe.h + lib/spawn.in.h + lib/spawn_faction_addclose.c + lib/spawn_faction_adddup2.c + lib/spawn_faction_addopen.c + lib/spawn_faction_destroy.c + lib/spawn_faction_init.c + lib/spawn_int.h + lib/spawnattr_destroy.c + lib/spawnattr_init.c + lib/spawnattr_setflags.c + lib/spawnattr_setsigmask.c + lib/spawni.c + lib/spawnp.c + lib/stat-macros.h + lib/stat-size.h + lib/stat-time.h + lib/stat.c + lib/stdalign.in.h + lib/stdarg.in.h + lib/stdbool.in.h + lib/stddef.in.h + lib/stdint.in.h + lib/stdio--.h + lib/stdio-impl.h + lib/stdio-safer.h + lib/stdio.in.h + lib/stdlib--.h + lib/stdlib-safer.h + lib/stdlib.in.h + lib/stpcpy.c + lib/stpncpy.c + lib/str-kmp.h + lib/str-two-way.h + lib/strcasecmp.c + lib/strchrnul.c + lib/strchrnul.valgrind + lib/strdup.c + lib/streq.h + lib/strerror-override.c + lib/strerror-override.h + lib/strerror.c + lib/strftime.c + lib/strftime.h + lib/striconv.c + lib/striconv.h + lib/string.in.h + lib/strings.in.h + lib/stripslash.c + lib/strncasecmp.c + lib/strncat.c + lib/strndup.c + lib/strnlen.c + lib/strnlen1.c + lib/strnlen1.h + lib/strpbrk.c + lib/strsignal.c + lib/strstr.c + lib/strtod.c + lib/strtoimax.c + lib/strtol.c + lib/strtoll.c + lib/strtoul.c + lib/strtoull.c + lib/strtoumax.c + lib/symlink.c + lib/sys_ioctl.in.h + lib/sys_resource.in.h + lib/sys_select.in.h + lib/sys_socket.in.h + lib/sys_stat.in.h + lib/sys_time.in.h + lib/sys_types.in.h + lib/sys_uio.in.h + lib/sys_utsname.in.h + lib/sys_wait.in.h + lib/tempname.c + lib/tempname.h + lib/termios.in.h + lib/time.in.h + lib/time_r.c + lib/timespec.h + lib/trim.c + lib/trim.h + lib/u64.h + lib/uinttostr.c + lib/umaxtostr.c + lib/uname.c + lib/unicodeio.c + lib/unicodeio.h + lib/unistd--.h + lib/unistd-safer.h + lib/unistd.in.h + lib/unistr.in.h + lib/unistr/u8-mbtoucr.c + lib/unistr/u8-uctomb-aux.c + lib/unistr/u8-uctomb.c + lib/unitypes.in.h + lib/uniwidth.in.h + lib/uniwidth/cjk.h + lib/uniwidth/width.c + lib/unlink.c + lib/unlinkat.c + lib/unlocked-io.h + lib/unsetenv.c + lib/userspec.c + lib/userspec.h + lib/utimecmp.c + lib/utimecmp.h + lib/utimens.c + lib/utimens.h + lib/utimensat.c + lib/vasnprintf.c + lib/vasnprintf.h + lib/vasprintf.c + lib/verify.h + lib/verror.c + lib/verror.h + lib/version-etc-fsf.c + lib/version-etc.c + lib/version-etc.h + lib/vfprintf.c + lib/vprintf.c + lib/w32sock.h + lib/w32spawn.h + lib/wait-process.c + lib/wait-process.h + lib/waitpid.c + lib/wchar.in.h + lib/wcrtomb.c + lib/wcswidth-impl.h + lib/wcswidth.c + lib/wctype.in.h + lib/wcwidth.c + lib/write-any-file.c + lib/write-any-file.h + lib/write.c + lib/xalloc-die.c + lib/xalloc-oversized.h + lib/xalloc.h + lib/xasprintf.c + lib/xfreopen.c + lib/xfreopen.h + lib/xgetcwd.c + lib/xgetcwd.h + lib/xgetgroups.c + lib/xgethostname.c + lib/xgethostname.h + lib/xmalloc.c + lib/xmemcoll.c + lib/xmemcoll.h + lib/xnanosleep.c + lib/xnanosleep.h + lib/xprintf.c + lib/xprintf.h + lib/xreadlink.c + lib/xreadlink.h + lib/xsize.h + lib/xstriconv.c + lib/xstriconv.h + lib/xstrndup.c + lib/xstrndup.h + lib/xstrtod.c + lib/xstrtod.h + lib/xstrtoimax.c + lib/xstrtol-error.c + lib/xstrtol.c + lib/xstrtol.h + lib/xstrtold.c + lib/xstrtoul.c + lib/xstrtoumax.c + lib/xtime.h + lib/xvasprintf.c + lib/xvasprintf.h + lib/yesno.c + lib/yesno.h + m4/00gnulib.m4 + m4/acl.m4 + m4/alloca.m4 + m4/arpa_inet_h.m4 + m4/assert.m4 + m4/autobuild.m4 + m4/backupfile.m4 + m4/base64.m4 + m4/bison.m4 + m4/btowc.m4 + m4/c-strtod.m4 + m4/calloc.m4 + m4/canon-host.m4 + m4/canonicalize.m4 + m4/chdir-long.m4 + m4/chown.m4 + m4/clock_time.m4 + m4/close-stream.m4 + m4/close.m4 + m4/closedir.m4 + m4/closein.m4 + m4/closeout.m4 + m4/codeset.m4 + m4/config-h.m4 + m4/configmake.m4 + m4/ctype.m4 + m4/cycle-check.m4 + m4/d-ino.m4 + m4/d-type.m4 + m4/dirent-safer.m4 + m4/dirent_h.m4 + m4/dirfd.m4 + m4/dirname.m4 + m4/double-slash-root.m4 + m4/dup.m4 + m4/dup2.m4 + m4/eealloc.m4 + m4/environ.m4 + m4/errno_h.m4 + m4/error.m4 + m4/euidaccess.m4 + m4/exponentd.m4 + m4/exponentf.m4 + m4/exponentl.m4 + m4/extensions.m4 + m4/faccessat.m4 + m4/fatal-signal.m4 + m4/fchdir.m4 + m4/fchmodat.m4 + m4/fchownat.m4 + m4/fclose.m4 + m4/fcntl-o.m4 + m4/fcntl-safer.m4 + m4/fcntl.m4 + m4/fcntl_h.m4 + m4/fdatasync.m4 + m4/fdopen.m4 + m4/fdopendir.m4 + m4/fflush.m4 + m4/fileblocks.m4 + m4/filemode.m4 + m4/filenamecat.m4 + m4/flexmember.m4 + m4/float_h.m4 + m4/fnmatch.m4 + m4/fopen.m4 + m4/fpending.m4 + m4/fpieee.m4 + m4/fpurge.m4 + m4/freading.m4 + m4/freopen.m4 + m4/frexp.m4 + m4/frexpl.m4 + m4/fseek.m4 + m4/fseeko.m4 + m4/fstat.m4 + m4/fstatat.m4 + m4/fstypename.m4 + m4/fsusage.m4 + m4/fsync.m4 + m4/ftell.m4 + m4/ftello.m4 + m4/ftruncate.m4 + m4/fts.m4 + m4/futimens.m4 + m4/getaddrinfo.m4 + m4/getcwd-abort-bug.m4 + m4/getcwd-path-max.m4 + m4/getcwd.m4 + m4/getdelim.m4 + m4/getdtablesize.m4 + m4/getgroups.m4 + m4/gethostname.m4 + m4/gethrxtime.m4 + m4/getline.m4 + m4/getloadavg.m4 + m4/getlogin.m4 + m4/getndelim2.m4 + m4/getopt.m4 + m4/getpagesize.m4 + m4/getpass.m4 + m4/gettime.m4 + m4/gettimeofday.m4 + m4/getugroups.m4 + m4/getusershell.m4 + m4/glibc21.m4 + m4/gnu-make.m4 + m4/gnulib-common.m4 + m4/group-member.m4 + m4/hard-locale.m4 + m4/host-os.m4 + m4/hostent.m4 + m4/human.m4 + m4/i-ring.m4 + m4/iconv.m4 + m4/iconv_h.m4 + m4/iconv_open.m4 + m4/idcache.m4 + m4/include_next.m4 + m4/inet_ntop.m4 + 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tests/test-getdtablesize.c + tests/test-getgroups.c + tests/test-gethostname.c + tests/test-getline.c + tests/test-getloadavg.c + tests/test-getlogin.c + tests/test-getndelim2.c + tests/test-getopt.c + tests/test-getopt.h + tests/test-getopt_long.h + tests/test-gettimeofday.c + tests/test-hash.c + tests/test-i-ring.c + tests/test-iconv-h.c + tests/test-iconv.c + tests/test-ignore-value.c + tests/test-inet_ntop.c + tests/test-inet_pton.c + tests/test-init.sh + tests/test-ino-map.c + tests/test-intprops.c + tests/test-inttostr.c + tests/test-inttypes.c + tests/test-ioctl.c + tests/test-isatty.c + tests/test-isblank.c + tests/test-isnand-nolibm.c + tests/test-isnand.h + tests/test-isnanf-nolibm.c + tests/test-isnanf.h + tests/test-isnanl-nolibm.c + tests/test-isnanl.h + tests/test-iswblank.c + tests/test-langinfo.c + tests/test-lchown.c + tests/test-lchown.h + tests/test-link.c + tests/test-link.h + tests/test-linkat.c + tests/test-listen.c + tests/test-locale.c + tests/test-localeconv.c 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tests/test-memcoll.c + tests/test-memrchr.c + tests/test-mkdir.c + tests/test-mkdir.h + tests/test-mkfifo.c + tests/test-mkfifo.h + tests/test-mknod.c + tests/test-nanosleep.c + tests/test-netdb.c + tests/test-netinet_in.c + tests/test-nl_langinfo.c + tests/test-nl_langinfo.sh + tests/test-open.c + tests/test-open.h + tests/test-openat-safer.c + tests/test-openat.c + tests/test-parse-datetime.c + tests/test-pathmax.c + tests/test-perror.c + tests/test-perror.sh + tests/test-perror2.c + tests/test-pipe.c + tests/test-pipe2.c + tests/test-posix_spawn1.c + tests/test-posix_spawn1.in.sh + tests/test-posix_spawn2.c + tests/test-posix_spawn2.in.sh + tests/test-posix_spawn_file_actions_addclose.c + tests/test-posix_spawn_file_actions_adddup2.c + tests/test-posix_spawn_file_actions_addopen.c + tests/test-posixtm.c + tests/test-printf-frexp.c + tests/test-printf-frexpl.c + tests/test-printf-posix.h + tests/test-printf-posix.output + tests/test-priv-set.c + tests/test-quotearg-simple.c + tests/test-quotearg.h + tests/test-raise.c + tests/test-rand-isaac.c + tests/test-rawmemchr.c + tests/test-read-file.c + tests/test-read.c + tests/test-readlink.c + tests/test-readlink.h + tests/test-readlinkat.c + tests/test-readtokens.c + tests/test-readtokens.sh + tests/test-realloc-gnu.c + tests/test-remove.c + tests/test-rename.c + tests/test-rename.h + tests/test-rmdir.c + tests/test-rmdir.h + tests/test-sameacls.c + tests/test-sched.c + tests/test-select-fd.c + tests/test-select-in.sh + tests/test-select-out.sh + tests/test-select-stdin.c + tests/test-select.c + tests/test-select.h + tests/test-set-mode-acl-1.sh + tests/test-set-mode-acl-2.sh + tests/test-set-mode-acl.c + tests/test-set-mode-acl.sh + tests/test-setenv.c + tests/test-setlocale1.c + tests/test-setlocale1.sh + tests/test-setlocale2.c + tests/test-setlocale2.sh + tests/test-setsockopt.c + tests/test-sha1.c + tests/test-sigaction.c + tests/test-signal-h.c + tests/test-signbit.c + tests/test-sigprocmask.c + tests/test-sleep.c + tests/test-snprintf.c + tests/test-sockets.c + tests/test-spawn-pipe-child.c + tests/test-spawn-pipe-main.c + tests/test-spawn-pipe.sh + tests/test-spawn.c + tests/test-stat-time.c + tests/test-stat.c + tests/test-stat.h + tests/test-stdalign.c + tests/test-stdbool.c + tests/test-stddef.c + tests/test-stdint.c + tests/test-stdio.c + tests/test-stdlib.c + tests/test-strchrnul.c + tests/test-strerror.c + tests/test-strerror_r.c + tests/test-strftime.c + tests/test-striconv.c + tests/test-string.c + tests/test-strings.c + tests/test-strncat.c + tests/test-strnlen.c + tests/test-strsignal.c + tests/test-strtod.c + tests/test-strtoimax.c + tests/test-strtoll.c + tests/test-strtoull.c + tests/test-strtoumax.c + tests/test-symlink.c + tests/test-symlink.h + tests/test-symlinkat.c + tests/test-sys_ioctl.c + tests/test-sys_resource.c + tests/test-sys_select.c + tests/test-sys_socket.c + tests/test-sys_stat.c + tests/test-sys_time.c + tests/test-sys_types.c + tests/test-sys_uio.c + tests/test-sys_utsname.c + tests/test-sys_wait.c + tests/test-sys_wait.h + tests/test-termios.c + tests/test-thread_create.c + tests/test-thread_self.c + tests/test-time.c + tests/test-tls.c + tests/test-u64.c + tests/test-uname.c + tests/test-unistd.c + tests/test-unlink.c + tests/test-unlink.h + tests/test-unlinkat.c + tests/test-unsetenv.c + tests/test-update-copyright.sh + tests/test-userspec.c + tests/test-usleep.c + tests/test-utimens-common.h + tests/test-utimens.c + tests/test-utimens.h + tests/test-utimensat.c + tests/test-vasnprintf.c + tests/test-vasprintf-posix.c + tests/test-vasprintf.c + tests/test-vc-list-files-cvs.sh + tests/test-vc-list-files-git.sh + tests/test-verify.c + tests/test-verify.sh + tests/test-version-etc.c + tests/test-version-etc.sh + tests/test-vfprintf-posix.c + tests/test-vfprintf-posix.sh + tests/test-vprintf-posix.c + tests/test-vprintf-posix.sh + tests/test-wchar.c + tests/test-wcrtomb-w32-1.sh + tests/test-wcrtomb-w32-2.sh + tests/test-wcrtomb-w32-3.sh + tests/test-wcrtomb-w32-4.sh + tests/test-wcrtomb-w32-5.sh + tests/test-wcrtomb-w32.c + tests/test-wcrtomb.c + tests/test-wcrtomb.sh + tests/test-wctype-h.c + tests/test-wcwidth.c + tests/test-write.c + tests/test-xalloc-die.c + tests/test-xalloc-die.sh + tests/test-xfprintf-posix.c + tests/test-xprintf-posix.c + tests/test-xprintf-posix.sh + tests/test-xstrtoimax.c + tests/test-xstrtoimax.sh + tests/test-xstrtol.c + tests/test-xstrtol.sh + tests/test-xstrtoul.c + tests/test-xstrtoumax.c + tests/test-xstrtoumax.sh + tests/test-xvasprintf.c + tests/test-yesno.c + tests/test-yesno.sh + tests/unistr/test-strncat.h + tests/unistr/test-u8-mbtoucr.c + tests/unistr/test-u8-uctomb.c + tests/uniwidth/test-uc_width.c + tests/uniwidth/test-uc_width2.c + tests/uniwidth/test-uc_width2.sh + tests/zerosize-ptr.h + tests=lib/accept.c + tests=lib/at-func.c + tests=lib/bind.c + tests=lib/connect.c + tests=lib/glthread/thread.c + tests=lib/glthread/thread.h + tests=lib/glthread/yield.h + tests=lib/inet_pton.c + tests=lib/ioctl.c + tests=lib/listen.c + tests=lib/localename.c + tests=lib/localename.h + tests=lib/perror.c + tests=lib/pipe.c + tests=lib/setlocale.c + tests=lib/setsockopt.c + tests=lib/sleep.c + tests=lib/socket.c + tests=lib/strerror_r.c + tests=lib/symlinkat.c + tests=lib/unlinkdir.c + tests=lib/unlinkdir.h + tests=lib/usleep.c + tests=lib/w32sock.h + tests=lib/wctob.c + tests=lib/wctomb-impl.h + tests=lib/wctomb.c + top/GNUmakefile + top/maint.mk +]) diff --git a/m4/group-member.m4 b/m4/group-member.m4 new file mode 100644 index 00000000..c393b5b1 --- /dev/null +++ b/m4/group-member.m4 @@ -0,0 +1,29 @@ +# serial 14 + +# Copyright (C) 1999-2001, 2003-2007, 2009-2012 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl Written by Jim Meyering + +AC_DEFUN([gl_FUNC_GROUP_MEMBER], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Persuade glibc <unistd.h> to declare group_member(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl Do this replacement check manually because I want the hyphen + dnl (not the underscore) in the filename. + AC_CHECK_FUNC([group_member], , [ + HAVE_GROUP_MEMBER=0 + ]) +]) + +# Prerequisites of lib/group-member.c. +AC_DEFUN([gl_PREREQ_GROUP_MEMBER], +[ + AC_REQUIRE([AC_FUNC_GETGROUPS]) +]) diff --git a/m4/hard-locale.m4 b/m4/hard-locale.m4 new file mode 100644 index 00000000..b999d08e --- /dev/null +++ b/m4/hard-locale.m4 @@ -0,0 +1,11 @@ +# hard-locale.m4 serial 8 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl No prerequisites of lib/hard-locale.c. +AC_DEFUN([gl_HARD_LOCALE], +[ + : +]) diff --git a/m4/host-os.m4 b/m4/host-os.m4 new file mode 100644 index 00000000..f76f907c --- /dev/null +++ b/m4/host-os.m4 @@ -0,0 +1,83 @@ +# serial 9 + +# Copyright (C) 2001, 2003-2004, 2006, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. + +dnl From Paul Eggert. + +# Define HOST_OPERATING_SYSTEM to a name for the host operating system. +AC_DEFUN([gl_HOST_OS], +[ + AC_REQUIRE([AC_CANONICAL_HOST])dnl + AC_CACHE_CHECK([host operating system], + gl_cv_host_operating_system, + + [[case $host_os in + + # These operating system names do not use the default heuristic below. + # They are in reverse order, so that more-specific prefixes come first. + winnt*) os='Windows NT';; + vos*) os='VOS';; + sysv*) os='Unix System V';; + superux*) os='SUPER-UX';; + sunos*) os='SunOS';; + stop*) os='STOP';; + sco*) os='SCO Unix';; + riscos*) os='RISC OS';; + riscix*) os='RISCiX';; + qnx*) os='QNX';; + pw32*) os='PW32';; + ptx*) os='ptx';; + plan9*) os='Plan 9';; + osf*) os='Tru64';; + os2*) os='OS/2';; + openbsd*) os='OpenBSD';; + nsk*) os='NonStop Kernel';; + nonstopux*) os='NonStop-UX';; + netbsd*-gnu*) os='GNU/NetBSD';; # NetBSD kernel+libc, GNU userland + netbsd*) os='NetBSD';; + mirbsd*) os='MirBSD';; + knetbsd*-gnu) os='GNU/kNetBSD';; # NetBSD kernel, GNU libc+userland + kfreebsd*-gnu) os='GNU/kFreeBSD';; # FreeBSD kernel, GNU libc+userland + msdosdjgpp*) os='DJGPP';; + mpeix*) os='MPE/iX';; + mint*) os='MiNT';; + mingw*) os='MinGW';; + lynxos*) os='LynxOS';; + linux*) os='GNU/Linux';; + hpux*) os='HP-UX';; + hiux*) os='HI-UX';; + gnu*) os='GNU';; + freebsd*) os='FreeBSD';; + dgux*) os='DG/UX';; + bsdi*) os='BSD/OS';; + bsd*) os='BSD';; + beos*) os='BeOS';; + aux*) os='A/UX';; + atheos*) os='AtheOS';; + amigaos*) os='Amiga OS';; + aix*) os='AIX';; + + # The default heuristic takes the initial alphabetic string + # from $host_os, but capitalizes its first letter. + [A-Za-z]*) + os=` + expr "X$host_os" : 'X\([A-Za-z]\)' | LC_ALL=C tr '[a-z]' '[A-Z]' + `` + expr "X$host_os" : 'X.\([A-Za-z]*\)' + ` + ;; + + # If $host_os does not start with an alphabetic string, use it unchanged. + *) + os=$host_os;; + esac + gl_cv_host_operating_system=$os]]) + AC_DEFINE_UNQUOTED([HOST_OPERATING_SYSTEM], + "$gl_cv_host_operating_system", + [The host operating system.]) +]) diff --git a/m4/hostent.m4 b/m4/hostent.m4 new file mode 100644 index 00000000..51347755 --- /dev/null +++ b/m4/hostent.m4 @@ -0,0 +1,49 @@ +# hostent.m4 serial 2 +dnl Copyright (C) 2008, 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HOSTENT], +[ + dnl Where are gethostent(), sethostent(), endhostent(), gethostbyname(), + dnl gethostbyaddr() defined? + dnl - On Solaris, they are in libnsl. Ignore libxnet. + dnl - On Haiku, they are in libnetwork. + dnl - On BeOS, they are in libnet. + dnl - On native Windows, they are in ws2_32.dll. + dnl - Otherwise they are in libc. + AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H + HOSTENT_LIB= + gl_saved_libs="$LIBS" + AC_SEARCH_LIBS([gethostbyname], [nsl network net], + [if test "$ac_cv_search_gethostbyname" != "none required"; then + HOSTENT_LIB="$ac_cv_search_gethostbyname" + fi]) + LIBS="$gl_saved_libs" + if test -z "$HOSTENT_LIB"; then + AC_CHECK_FUNCS([gethostbyname], , [ + AC_CACHE_CHECK([for gethostbyname in winsock2.h and -lws2_32], + [gl_cv_w32_gethostbyname], + [gl_cv_w32_gethostbyname=no + gl_save_LIBS="$LIBS" + LIBS="$LIBS -lws2_32" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif +#include <stddef.h> + ]], + [[gethostbyname(NULL);]])], + [gl_cv_w32_gethostbyname=yes]) + LIBS="$gl_save_LIBS" + ]) + if test "$gl_cv_w32_gethostbyname" = "yes"; then + HOSTENT_LIB="-lws2_32" + fi + ]) + fi + AC_SUBST([HOSTENT_LIB]) +]) diff --git a/m4/human.m4 b/m4/human.m4 new file mode 100644 index 00000000..7129255c --- /dev/null +++ b/m4/human.m4 @@ -0,0 +1,11 @@ +#serial 11 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/human.c. +AC_DEFUN([gl_HUMAN], +[ + : +]) diff --git a/m4/i-ring.m4 b/m4/i-ring.m4 new file mode 100644 index 00000000..3453b9e9 --- /dev/null +++ b/m4/i-ring.m4 @@ -0,0 +1,10 @@ +# serial 2 +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_I_RING], +[ + : +]) diff --git a/m4/iconv.m4 b/m4/iconv.m4 new file mode 100644 index 00000000..6a47236c --- /dev/null +++ b/m4/iconv.m4 @@ -0,0 +1,268 @@ +# iconv.m4 serial 18 (gettext-0.18.2) +dnl Copyright (C) 2000-2002, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], +[ + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV + dnl accordingly. + AC_LIB_LINKFLAGS_BODY([iconv]) +]) + +AC_DEFUN([AM_ICONV_LINK], +[ + dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and + dnl those with the standalone portable GNU libiconv installed). + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV + dnl accordingly. + AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) + + dnl Add $INCICONV to CPPFLAGS before performing the following checks, + dnl because if the user has installed libiconv and not disabled its use + dnl via --without-libiconv-prefix, he wants to use it. The first + dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed. + am_save_CPPFLAGS="$CPPFLAGS" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) + + AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [ + am_cv_func_iconv="no, consider installing GNU libiconv" + am_cv_lib_iconv=no + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <stdlib.h> +#include <iconv.h> + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], + [am_cv_func_iconv=yes]) + if test "$am_cv_func_iconv" != yes; then + am_save_LIBS="$LIBS" + LIBS="$LIBS $LIBICONV" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <stdlib.h> +#include <iconv.h> + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], + [am_cv_lib_iconv=yes] + [am_cv_func_iconv=yes]) + LIBS="$am_save_LIBS" + fi + ]) + if test "$am_cv_func_iconv" = yes; then + AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ + dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, + dnl Solaris 10. + am_save_LIBS="$LIBS" + if test $am_cv_lib_iconv = yes; then + LIBS="$LIBS $LIBICONV" + fi + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <iconv.h> +#include <string.h> +int main () +{ + int result = 0; + /* Test against AIX 5.1 bug: Failures are not distinguishable from successful + returns. */ + { + iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); + if (cd_utf8_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\342\202\254"; /* EURO SIGN */ + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 1; + iconv_close (cd_utf8_to_88591); + } + } + /* Test against Solaris 10 bug: Failures are not distinguishable from + successful returns. */ + { + iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646"); + if (cd_ascii_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\263"; + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_ascii_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 2; + iconv_close (cd_ascii_to_88591); + } + } + /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304"; + static char buf[2] = { (char)0xDE, (char)0xAD }; + const char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = 1; + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) + result |= 4; + iconv_close (cd_88591_to_utf8); + } + } +#if 0 /* This bug could be worked around by the caller. */ + /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + char buf[50]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if ((int)res > 0) + result |= 8; + iconv_close (cd_88591_to_utf8); + } + } +#endif + /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is + provided. */ + if (/* Try standardized names. */ + iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1) + /* Try IRIX, OSF/1 names. */ + && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1) + /* Try AIX names. */ + && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) + /* Try HP-UX names. */ + && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) + result |= 16; + return result; +}]])], + [am_cv_func_iconv_works=yes], + [am_cv_func_iconv_works=no], + [ +changequote(,)dnl + case "$host_os" in + aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; + *) am_cv_func_iconv_works="guessing yes" ;; + esac +changequote([,])dnl + ]) + LIBS="$am_save_LIBS" + ]) + case "$am_cv_func_iconv_works" in + *no) am_func_iconv=no am_cv_lib_iconv=no ;; + *) am_func_iconv=yes ;; + esac + else + am_func_iconv=no am_cv_lib_iconv=no + fi + if test "$am_func_iconv" = yes; then + AC_DEFINE([HAVE_ICONV], [1], + [Define if you have the iconv() function and it works.]) + fi + if test "$am_cv_lib_iconv" = yes; then + AC_MSG_CHECKING([how to link with libiconv]) + AC_MSG_RESULT([$LIBICONV]) + else + dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV + dnl either. + CPPFLAGS="$am_save_CPPFLAGS" + LIBICONV= + LTLIBICONV= + fi + AC_SUBST([LIBICONV]) + AC_SUBST([LTLIBICONV]) +]) + +dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to +dnl avoid warnings like +dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required". +dnl This is tricky because of the way 'aclocal' is implemented: +dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN. +dnl Otherwise aclocal's initial scan pass would miss the macro definition. +dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions. +dnl Otherwise aclocal would emit many "Use of uninitialized value $1" +dnl warnings. +m4_define([gl_iconv_AC_DEFUN], + m4_version_prereq([2.64], + [[AC_DEFUN_ONCE( + [$1], [$2])]], + [m4_ifdef([gl_00GNULIB], + [[AC_DEFUN_ONCE( + [$1], [$2])]], + [[AC_DEFUN( + [$1], [$2])]])])) +gl_iconv_AC_DEFUN([AM_ICONV], +[ + AM_ICONV_LINK + if test "$am_cv_func_iconv" = yes; then + AC_MSG_CHECKING([for iconv declaration]) + AC_CACHE_VAL([am_cv_proto_iconv], [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <stdlib.h> +#include <iconv.h> +extern +#ifdef __cplusplus +"C" +#endif +#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) +size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); +#else +size_t iconv(); +#endif + ]], + [[]])], + [am_cv_proto_iconv_arg1=""], + [am_cv_proto_iconv_arg1="const"]) + am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) + am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` + AC_MSG_RESULT([ + $am_cv_proto_iconv]) + AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1], + [Define as const if the declaration of iconv() needs const.]) + dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>. + m4_ifdef([gl_ICONV_H_DEFAULTS], + [AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + if test -n "$am_cv_proto_iconv_arg1"; then + ICONV_CONST="const" + fi + ]) + fi +]) diff --git a/m4/iconv_h.m4 b/m4/iconv_h.m4 new file mode 100644 index 00000000..aa86cf8f --- /dev/null +++ b/m4/iconv_h.m4 @@ -0,0 +1,41 @@ +# iconv_h.m4 serial 8 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_ICONV_H], +[ + AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + + dnl Execute this unconditionally, because ICONV_H may be set by other + dnl modules, after this code is executed. + gl_CHECK_NEXT_HEADERS([iconv.h]) +]) + +dnl Unconditionally enables the replacement of <iconv.h>. +AC_DEFUN([gl_REPLACE_ICONV_H], +[ + AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + ICONV_H='iconv.h' + AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"]) +]) + +AC_DEFUN([gl_ICONV_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_ICONV_H_DEFAULTS], +[ + GNULIB_ICONV=0; AC_SUBST([GNULIB_ICONV]) + dnl Assume proper GNU behavior unless another module says otherwise. + ICONV_CONST=; AC_SUBST([ICONV_CONST]) + REPLACE_ICONV=0; AC_SUBST([REPLACE_ICONV]) + REPLACE_ICONV_OPEN=0; AC_SUBST([REPLACE_ICONV_OPEN]) + REPLACE_ICONV_UTF=0; AC_SUBST([REPLACE_ICONV_UTF]) + ICONV_H=''; AC_SUBST([ICONV_H]) + AM_CONDITIONAL([GL_GENERATE_ICONV_H], [test -n "$ICONV_H"]) +]) diff --git a/m4/iconv_open.m4 b/m4/iconv_open.m4 new file mode 100644 index 00000000..07f48491 --- /dev/null +++ b/m4/iconv_open.m4 @@ -0,0 +1,56 @@ +# iconv_open.m4 serial 14 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_ICONV_OPEN], +[ + AC_REQUIRE([AM_ICONV]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + if test "$am_cv_func_iconv" = yes; then + dnl Provide the <iconv.h> override, for the sake of the C++ aliases. + gl_REPLACE_ICONV_H + dnl Test whether iconv_open accepts standardized encoding names. + dnl We know that GNU libiconv and GNU libc do. + AC_EGREP_CPP([gnu_iconv], [ + #include <iconv.h> + #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__) + gnu_iconv + #endif + ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no]) + if test $gl_func_iconv_gnu = no; then + iconv_flavor= + case "$host_os" in + aix*) iconv_flavor=ICONV_FLAVOR_AIX ;; + irix*) iconv_flavor=ICONV_FLAVOR_IRIX ;; + hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;; + osf*) iconv_flavor=ICONV_FLAVOR_OSF ;; + solaris*) iconv_flavor=ICONV_FLAVOR_SOLARIS ;; + esac + if test -n "$iconv_flavor"; then + AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor], + [Define to a symbolic name denoting the flavor of iconv_open() + implementation.]) + gl_REPLACE_ICONV_OPEN + fi + fi + m4_ifdef([gl_FUNC_ICONV_OPEN_UTF_SUPPORT], [ + gl_FUNC_ICONV_OPEN_UTF_SUPPORT + if test $gl_cv_func_iconv_supports_utf = no; then + REPLACE_ICONV_UTF=1 + AC_DEFINE([REPLACE_ICONV_UTF], [1], + [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.]) + REPLACE_ICONV=1 + gl_REPLACE_ICONV_OPEN + fi + ]) + fi +]) + +AC_DEFUN([gl_REPLACE_ICONV_OPEN], +[ + gl_REPLACE_ICONV_H + REPLACE_ICONV_OPEN=1 +]) diff --git a/m4/idcache.m4 b/m4/idcache.m4 new file mode 100644 index 00000000..522b51e9 --- /dev/null +++ b/m4/idcache.m4 @@ -0,0 +1,11 @@ +# idcache.m4 serial 7 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_IDCACHE], +[ + : +]) diff --git a/m4/include-exclude-prog.m4 b/m4/include-exclude-prog.m4 new file mode 100644 index 00000000..74f9713f --- /dev/null +++ b/m4/include-exclude-prog.m4 @@ -0,0 +1,94 @@ +#serial 2 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. + +# Usage: gl_ADD_PROG([prog_list_var_name], [prog_name]) +AC_DEFUN([gl_ADD_PROG], +[{ + if test -z "$$1"; then + $1=$2 + else + $1="$$1 $2" + fi +}]) + +# Usage: gl_REMOVE_PROG([prog_list_var_name], [prog_name]) +AC_DEFUN([gl_REMOVE_PROG], +[{ + $1=`for gl_rem_i in $$1; do + test "$gl_rem_i" = "$2" || echo "$gl_rem_i" + done | tr '\012' ' ' | sed 's/ $//'; echo` +}]) + +# Given the name of a variable containing a space-separated list of +# install-by-default programs and the list of do-not-install-by-default +# programs, modify the former variable to reflect "no-install" and +# "do-install" requests. The names in the latter list should be comma- +# separated. +# +# Usage: gl_INCLUDE_EXCLUDE_PROG([prog_list_var_name], [no_inst_prog_list]) +AC_DEFUN([gl_INCLUDE_EXCLUDE_PROG], +[{ + gl_no_install_progs_default=`echo '$2'|sed 's/,/ /g'` + AC_ARG_ENABLE([install-program], + [AS_HELP_STRING([--enable-install-program=PROG_LIST], + [install the programs in PROG_LIST (comma-separated, + default: none)])], + [gl_do_install_prog=$enableval], + [gl_do_install_prog=] + ) + + # If you want to refrain from installing programs A and B, + # use --enable-no-install-program=A,B + AC_ARG_ENABLE([no-install-program], + [AS_HELP_STRING([--enable-no-install-program=PROG_LIST], + [do NOT install the programs in PROG_LIST + (comma-separated, default: $2)])], + [gl_no_install_prog=$enableval], + [gl_no_install_prog=] + ) + + # Convert to space separated lists. + gl_do_install_prog=`echo "$gl_do_install_prog"|tr -s , ' '` + gl_no_install_prog=`echo "$gl_no_install_prog"|tr -s , ' '` + + # For each not-to-be-installed program name, ensure that it's a + # valid name, remove it from the list of programs to build/install, + # as well as from the list of man pages to install. + for gl_i in $gl_no_install_prog; do + + # Fail upon a request to install and not-install the same program. + case " $gl_do_install_prog " in + *" $gl_i "*) AC_MSG_ERROR(['$gl_i' is both included and excluded]) ;; + esac + + gl_msg= + # Warn about a request not to install a program that is not being + # built (which may be because the systems lacks a required interface). + case " $$1 " in + *" $gl_i "*) gl_REMOVE_PROG([$1], $gl_i) ;; + *) gl_msg="'$gl_i' is already not being installed" ;; + esac + + if test "$gl_msg" = ''; then + # Warn about a request not to install a program that is + # already on the default-no-install list. + case " $gl_no_install_progs_default " in + *" $gl_i "*) gl_msg="by default, '$gl_i' is not installed" ;; + esac + fi + + test "$gl_msg" != '' && AC_MSG_WARN([$gl_msg]) + done + + for gl_i in $gl_do_install_prog; do + case " $gl_no_install_progs_default " in + *" $gl_i "*) gl_ADD_PROG([$1], $gl_i) ;; + *) AC_MSG_WARN(['$gl_i' is not an optionally-installable program]) ;; + esac + done +}]) diff --git a/m4/include_next.m4 b/m4/include_next.m4 new file mode 100644 index 00000000..a60a2614 --- /dev/null +++ b/m4/include_next.m4 @@ -0,0 +1,270 @@ +# include_next.m4 serial 23 +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert and Derek Price. + +dnl Sets INCLUDE_NEXT and PRAGMA_SYSTEM_HEADER. +dnl +dnl INCLUDE_NEXT expands to 'include_next' if the compiler supports it, or to +dnl 'include' otherwise. +dnl +dnl INCLUDE_NEXT_AS_FIRST_DIRECTIVE expands to 'include_next' if the compiler +dnl supports it in the special case that it is the first include directive in +dnl the given file, or to 'include' otherwise. +dnl +dnl PRAGMA_SYSTEM_HEADER can be used in files that contain #include_next, +dnl so as to avoid GCC warnings when the gcc option -pedantic is used. +dnl '#pragma GCC system_header' has the same effect as if the file was found +dnl through the include search path specified with '-isystem' options (as +dnl opposed to the search path specified with '-I' options). Namely, gcc +dnl does not warn about some things, and on some systems (Solaris and Interix) +dnl __STDC__ evaluates to 0 instead of to 1. The latter is an undesired side +dnl effect; we are therefore careful to use 'defined __STDC__' or '1' instead +dnl of plain '__STDC__'. +dnl +dnl PRAGMA_COLUMNS can be used in files that override system header files, so +dnl as to avoid compilation errors on HP NonStop systems when the gnulib file +dnl is included by a system header file that does a "#pragma COLUMNS 80" (which +dnl has the effect of truncating the lines of that file and all files that it +dnl includes to 80 columns) and the gnulib file has lines longer than 80 +dnl columns. + +AC_DEFUN([gl_INCLUDE_NEXT], +[ + AC_LANG_PREPROC_REQUIRE() + AC_CACHE_CHECK([whether the preprocessor supports include_next], + [gl_cv_have_include_next], + [rm -rf conftestd1a conftestd1b conftestd2 + mkdir conftestd1a conftestd1b conftestd2 + dnl IBM C 9.0, 10.1 (original versions, prior to the 2009-01 updates) on + dnl AIX 6.1 support include_next when used as first preprocessor directive + dnl in a file, but not when preceded by another include directive. Check + dnl for this bug by including <stdio.h>. + dnl Additionally, with this same compiler, include_next is a no-op when + dnl used in a header file that was included by specifying its absolute + dnl file name. Despite these two bugs, include_next is used in the + dnl compiler's <math.h>. By virtue of the second bug, we need to use + dnl include_next as well in this case. + cat <<EOF > conftestd1a/conftest.h +#define DEFINED_IN_CONFTESTD1 +#include_next <conftest.h> +#ifdef DEFINED_IN_CONFTESTD2 +int foo; +#else +#error "include_next doesn't work" +#endif +EOF + cat <<EOF > conftestd1b/conftest.h +#define DEFINED_IN_CONFTESTD1 +#include <stdio.h> +#include_next <conftest.h> +#ifdef DEFINED_IN_CONFTESTD2 +int foo; +#else +#error "include_next doesn't work" +#endif +EOF + cat <<EOF > conftestd2/conftest.h +#ifndef DEFINED_IN_CONFTESTD1 +#error "include_next test doesn't work" +#endif +#define DEFINED_IN_CONFTESTD2 +EOF + gl_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1b -Iconftestd2" +dnl We intentionally avoid using AC_LANG_SOURCE here. + AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]], + [gl_cv_have_include_next=yes], + [CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1a -Iconftestd2" + AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]], + [gl_cv_have_include_next=buggy], + [gl_cv_have_include_next=no]) + ]) + CPPFLAGS="$gl_save_CPPFLAGS" + rm -rf conftestd1a conftestd1b conftestd2 + ]) + PRAGMA_SYSTEM_HEADER= + if test $gl_cv_have_include_next = yes; then + INCLUDE_NEXT=include_next + INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next + if test -n "$GCC"; then + PRAGMA_SYSTEM_HEADER='#pragma GCC system_header' + fi + else + if test $gl_cv_have_include_next = buggy; then + INCLUDE_NEXT=include + INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include_next + else + INCLUDE_NEXT=include + INCLUDE_NEXT_AS_FIRST_DIRECTIVE=include + fi + fi + AC_SUBST([INCLUDE_NEXT]) + AC_SUBST([INCLUDE_NEXT_AS_FIRST_DIRECTIVE]) + AC_SUBST([PRAGMA_SYSTEM_HEADER]) + AC_CACHE_CHECK([whether system header files limit the line length], + [gl_cv_pragma_columns], + [dnl HP NonStop systems, which define __TANDEM, have this misfeature. + AC_EGREP_CPP([choke me], + [ +#ifdef __TANDEM +choke me +#endif + ], + [gl_cv_pragma_columns=yes], + [gl_cv_pragma_columns=no]) + ]) + if test $gl_cv_pragma_columns = yes; then + PRAGMA_COLUMNS="#pragma COLUMNS 10000" + else + PRAGMA_COLUMNS= + fi + AC_SUBST([PRAGMA_COLUMNS]) +]) + +# gl_CHECK_NEXT_HEADERS(HEADER1 HEADER2 ...) +# ------------------------------------------ +# For each arg foo.h, if #include_next works, define NEXT_FOO_H to be +# '<foo.h>'; otherwise define it to be +# '"///usr/include/foo.h"', or whatever other absolute file name is suitable. +# Also, if #include_next works as first preprocessing directive in a file, +# define NEXT_AS_FIRST_DIRECTIVE_FOO_H to be '<foo.h>'; otherwise define it to +# be +# '"///usr/include/foo.h"', or whatever other absolute file name is suitable. +# That way, a header file with the following line: +# #@INCLUDE_NEXT@ @NEXT_FOO_H@ +# or +# #@INCLUDE_NEXT_AS_FIRST_DIRECTIVE@ @NEXT_AS_FIRST_DIRECTIVE_FOO_H@ +# behaves (after sed substitution) as if it contained +# #include_next <foo.h> +# even if the compiler does not support include_next. +# The three "///" are to pacify Sun C 5.8, which otherwise would say +# "warning: #include of /usr/include/... may be non-portable". +# Use '""', not '<>', so that the /// cannot be confused with a C99 comment. +# Note: This macro assumes that the header file is not empty after +# preprocessing, i.e. it does not only define preprocessor macros but also +# provides some type/enum definitions or function/variable declarations. +# +# This macro also checks whether each header exists, by invoking +# AC_CHECK_HEADERS_ONCE or AC_CHECK_HEADERS on each argument. +AC_DEFUN([gl_CHECK_NEXT_HEADERS], +[ + gl_NEXT_HEADERS_INTERNAL([$1], [check]) +]) + +# gl_NEXT_HEADERS(HEADER1 HEADER2 ...) +# ------------------------------------ +# Like gl_CHECK_NEXT_HEADERS, except do not check whether the headers exist. +# This is suitable for headers like <stddef.h> that are standardized by C89 +# and therefore can be assumed to exist. +AC_DEFUN([gl_NEXT_HEADERS], +[ + gl_NEXT_HEADERS_INTERNAL([$1], [assume]) +]) + +# The guts of gl_CHECK_NEXT_HEADERS and gl_NEXT_HEADERS. +AC_DEFUN([gl_NEXT_HEADERS_INTERNAL], +[ + AC_REQUIRE([gl_INCLUDE_NEXT]) + AC_REQUIRE([AC_CANONICAL_HOST]) + + m4_if([$2], [check], + [AC_CHECK_HEADERS_ONCE([$1]) + ]) + +dnl FIXME: gl_next_header and gl_header_exists must be used unquoted +dnl until we can assume autoconf 2.64 or newer. + m4_foreach_w([gl_HEADER_NAME], [$1], + [AS_VAR_PUSHDEF([gl_next_header], + [gl_cv_next_]m4_defn([gl_HEADER_NAME])) + if test $gl_cv_have_include_next = yes; then + AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>']) + else + AC_CACHE_CHECK( + [absolute name of <]m4_defn([gl_HEADER_NAME])[>], + m4_defn([gl_next_header]), + [m4_if([$2], [check], + [AS_VAR_PUSHDEF([gl_header_exists], + [ac_cv_header_]m4_defn([gl_HEADER_NAME])) + if test AS_VAR_GET(gl_header_exists) = yes; then + AS_VAR_POPDEF([gl_header_exists]) + ]) + AC_LANG_CONFTEST( + [AC_LANG_SOURCE( + [[#include <]]m4_dquote(m4_defn([gl_HEADER_NAME]))[[>]] + )]) + dnl AIX "xlc -E" and "cc -E" omit #line directives for header + dnl files that contain only a #include of other header files and + dnl no non-comment tokens of their own. This leads to a failure + dnl to detect the absolute name of <dirent.h>, <signal.h>, + dnl <poll.h> and others. The workaround is to force preservation + dnl of comments through option -C. This ensures all necessary + dnl #line directives are present. GCC supports option -C as well. + case "$host_os" in + aix*) gl_absname_cpp="$ac_cpp -C" ;; + *) gl_absname_cpp="$ac_cpp" ;; + esac +changequote(,) + case "$host_os" in + mingw*) + dnl For the sake of native Windows compilers (excluding gcc), + dnl treat backslash as a directory separator, like /. + dnl Actually, these compilers use a double-backslash as + dnl directory separator, inside the + dnl # line "filename" + dnl directives. + gl_dirsep_regex='[/\\]' + ;; + *) + gl_dirsep_regex='\/' + ;; + esac + dnl A sed expression that turns a string into a basic regular + dnl expression, for use within "/.../". + gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g' +changequote([,]) + gl_header_literal_regex=`echo ']m4_defn([gl_HEADER_NAME])[' \ + | sed -e "$gl_make_literal_regex_sed"` + gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{ + s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/ +changequote(,)dnl + s|^/[^/]|//&| +changequote([,])dnl + p + q + }' + dnl eval is necessary to expand gl_absname_cpp. + dnl Ultrix and Pyramid sh refuse to redirect output of eval, + dnl so use subshell. + AS_VAR_SET(gl_next_header, + ['"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD | + sed -n "$gl_absolute_header_sed"`'"']) + m4_if([$2], [check], + [else + AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>']) + fi + ]) + ]) + fi + AC_SUBST( + AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])), + [AS_VAR_GET(gl_next_header)]) + if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then + # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next' + gl_next_as_first_directive='<'gl_HEADER_NAME'>' + else + # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include' + gl_next_as_first_directive=AS_VAR_GET(gl_next_header) + fi + AC_SUBST( + AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])), + [$gl_next_as_first_directive]) + AS_VAR_POPDEF([gl_next_header])]) +]) + +# Autoconf 2.68 added warnings for our use of AC_COMPILE_IFELSE; +# this fallback is safe for all earlier autoconf versions. +m4_define_default([AC_LANG_DEFINES_PROVIDED]) diff --git a/m4/inet_ntop.m4 b/m4/inet_ntop.m4 new file mode 100644 index 00000000..1ebd9603 --- /dev/null +++ b/m4/inet_ntop.m4 @@ -0,0 +1,68 @@ +# inet_ntop.m4 serial 19 +dnl Copyright (C) 2005-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_INET_NTOP], +[ + AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) + + dnl Persuade Solaris <arpa/inet.h> to declare inet_ntop. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([AC_C_RESTRICT]) + + dnl Most platforms that provide inet_ntop define it in libc. + dnl Solaris 8..10 provide inet_ntop in libnsl instead. + dnl Solaris 2.6..7 provide inet_ntop in libresolv instead. + dnl Native Windows provides it in -lws2_32 instead, with a declaration in + dnl <ws2tcpip.h>, and it uses stdcall calling convention, not cdecl + dnl (hence we cannot use AC_CHECK_FUNCS, AC_SEARCH_LIBS to find it). + HAVE_INET_NTOP=1 + INET_NTOP_LIB= + gl_PREREQ_SYS_H_WINSOCK2 + if test $HAVE_WINSOCK2_H = 1; then + AC_CHECK_DECLS([inet_ntop],,, [[#include <ws2tcpip.h>]]) + if test $ac_cv_have_decl_inet_ntop = yes; then + dnl It needs to be overridden, because the stdcall calling convention + dnl is not compliant with POSIX. + REPLACE_INET_NTOP=1 + INET_NTOP_LIB="-lws2_32" + else + HAVE_DECL_INET_NTOP=0 + HAVE_INET_NTOP=0 + fi + else + gl_save_LIBS=$LIBS + AC_SEARCH_LIBS([inet_ntop], [nsl resolv], [], + [AC_CHECK_FUNCS([inet_ntop]) + if test $ac_cv_func_inet_ntop = no; then + HAVE_INET_NTOP=0 + fi + ]) + LIBS=$gl_save_LIBS + + if test "$ac_cv_search_inet_ntop" != "no" \ + && test "$ac_cv_search_inet_ntop" != "none required"; then + INET_NTOP_LIB="$ac_cv_search_inet_ntop" + fi + + AC_CHECK_HEADERS_ONCE([netdb.h]) + AC_CHECK_DECLS([inet_ntop],,, + [[#include <arpa/inet.h> + #if HAVE_NETDB_H + # include <netdb.h> + #endif + ]]) + if test $ac_cv_have_decl_inet_ntop = no; then + HAVE_DECL_INET_NTOP=0 + fi + fi + AC_SUBST([INET_NTOP_LIB]) +]) + +# Prerequisites of lib/inet_ntop.c. +AC_DEFUN([gl_PREREQ_INET_NTOP], [ + AC_REQUIRE([gl_SOCKET_FAMILIES]) +]) diff --git a/m4/inet_pton.m4 b/m4/inet_pton.m4 new file mode 100644 index 00000000..e7b44e28 --- /dev/null +++ b/m4/inet_pton.m4 @@ -0,0 +1,68 @@ +# inet_pton.m4 serial 17 +dnl Copyright (C) 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_INET_PTON], +[ + AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS]) + + dnl Persuade Solaris <arpa/inet.h> to declare inet_pton. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([AC_C_RESTRICT]) + + dnl Most platforms that provide inet_pton define it in libc. + dnl Solaris 8..10 provide inet_pton in libnsl instead. + dnl Solaris 2.6..7 provide inet_pton in libresolv instead. + dnl Native Windows provides it in -lws2_32 instead, with a declaration in + dnl <ws2tcpip.h>, and it uses stdcall calling convention, not cdecl + dnl (hence we cannot use AC_CHECK_FUNCS, AC_SEARCH_LIBS to find it). + HAVE_INET_PTON=1 + INET_PTON_LIB= + gl_PREREQ_SYS_H_WINSOCK2 + if test $HAVE_WINSOCK2_H = 1; then + AC_CHECK_DECLS([inet_pton],,, [[#include <ws2tcpip.h>]]) + if test $ac_cv_have_decl_inet_pton = yes; then + dnl It needs to be overridden, because the stdcall calling convention + dnl is not compliant with POSIX. + REPLACE_INET_PTON=1 + INET_PTON_LIB="-lws2_32" + else + HAVE_DECL_INET_PTON=0 + HAVE_INET_PTON=0 + fi + else + gl_save_LIBS=$LIBS + AC_SEARCH_LIBS([inet_pton], [nsl resolv], [], + [AC_CHECK_FUNCS([inet_pton]) + if test $ac_cv_func_inet_pton = no; then + HAVE_INET_PTON=0 + fi + ]) + LIBS=$gl_save_LIBS + + if test "$ac_cv_search_inet_pton" != "no" \ + && test "$ac_cv_search_inet_pton" != "none required"; then + INET_PTON_LIB="$ac_cv_search_inet_pton" + fi + + AC_CHECK_HEADERS_ONCE([netdb.h]) + AC_CHECK_DECLS([inet_pton],,, + [[#include <arpa/inet.h> + #if HAVE_NETDB_H + # include <netdb.h> + #endif + ]]) + if test $ac_cv_have_decl_inet_pton = no; then + HAVE_DECL_INET_PTON=0 + fi + fi + AC_SUBST([INET_PTON_LIB]) +]) + +# Prerequisites of lib/inet_pton.c. +AC_DEFUN([gl_PREREQ_INET_PTON], [ + AC_REQUIRE([gl_SOCKET_FAMILIES]) +]) diff --git a/m4/inline.m4 b/m4/inline.m4 new file mode 100644 index 00000000..6fa99724 --- /dev/null +++ b/m4/inline.m4 @@ -0,0 +1,40 @@ +# inline.m4 serial 4 +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Test for the 'inline' keyword or equivalent. +dnl Define 'inline' to a supported equivalent, or to nothing if not supported, +dnl like AC_C_INLINE does. Also, define HAVE_INLINE if 'inline' or an +dnl equivalent is effectively supported, i.e. if the compiler is likely to +dnl drop unused 'static inline' functions. +AC_DEFUN([gl_INLINE], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_CACHE_CHECK([whether the compiler generally respects inline], + [gl_cv_c_inline_effective], + [if test $ac_cv_c_inline = no; then + gl_cv_c_inline_effective=no + else + dnl GCC defines __NO_INLINE__ if not optimizing or if -fno-inline is + dnl specified. + dnl Use AC_COMPILE_IFELSE here, not AC_EGREP_CPP, because the result + dnl depends on optimization flags, which can be in CFLAGS. + dnl (AC_EGREP_CPP looks only at the CPPFLAGS.) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], + [[#ifdef __NO_INLINE__ + #error "inline is not effective" + #endif]])], + [gl_cv_c_inline_effective=yes], + [gl_cv_c_inline_effective=no]) + fi + ]) + if test $gl_cv_c_inline_effective = yes; then + AC_DEFINE([HAVE_INLINE], [1], + [Define to 1 if the compiler supports one of the keywords + 'inline', '__inline__', '__inline' and effectively inlines + functions marked as such.]) + fi +]) diff --git a/m4/intlmacosx.m4 b/m4/intlmacosx.m4 new file mode 100644 index 00000000..dc2ddfed --- /dev/null +++ b/m4/intlmacosx.m4 @@ -0,0 +1,56 @@ +# intlmacosx.m4 serial 4 (gettext-0.18.2) +dnl Copyright (C) 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Checks for special options needed on MacOS X. +dnl Defines INTL_MACOSX_LIBS. +AC_DEFUN([gt_INTL_MACOSX], +[ + dnl Check for API introduced in MacOS X 10.2. + AC_CACHE_CHECK([for CFPreferencesCopyAppValue], + [gt_cv_func_CFPreferencesCopyAppValue], + [gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <CoreFoundation/CFPreferences.h>]], + [[CFPreferencesCopyAppValue(NULL, NULL)]])], + [gt_cv_func_CFPreferencesCopyAppValue=yes], + [gt_cv_func_CFPreferencesCopyAppValue=no]) + LIBS="$gt_save_LIBS"]) + if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then + AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], [1], + [Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in the CoreFoundation framework.]) + fi + dnl Check for API introduced in MacOS X 10.3. + AC_CACHE_CHECK([for CFLocaleCopyCurrent], [gt_cv_func_CFLocaleCopyCurrent], + [gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <CoreFoundation/CFLocale.h>]], + [[CFLocaleCopyCurrent();]])], + [gt_cv_func_CFLocaleCopyCurrent=yes], + [gt_cv_func_CFLocaleCopyCurrent=no]) + LIBS="$gt_save_LIBS"]) + if test $gt_cv_func_CFLocaleCopyCurrent = yes; then + AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], [1], + [Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the CoreFoundation framework.]) + fi + INTL_MACOSX_LIBS= + if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then + INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation" + fi + AC_SUBST([INTL_MACOSX_LIBS]) +]) diff --git a/m4/intmax_t.m4 b/m4/intmax_t.m4 new file mode 100644 index 00000000..c1a4a75d --- /dev/null +++ b/m4/intmax_t.m4 @@ -0,0 +1,67 @@ +# intmax_t.m4 serial 8 +dnl Copyright (C) 1997-2004, 2006-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +AC_PREREQ([2.53]) + +# Define intmax_t to 'long' or 'long long' +# if it is not already defined in <stdint.h> or <inttypes.h>. + +AC_DEFUN([gl_AC_TYPE_INTMAX_T], +[ + dnl For simplicity, we assume that a header file defines 'intmax_t' if and + dnl only if it defines 'uintmax_t'. + AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([gl_AC_HEADER_STDINT_H]) + if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + test $ac_cv_type_long_long_int = yes \ + && ac_type='long long' \ + || ac_type='long' + AC_DEFINE_UNQUOTED([intmax_t], [$ac_type], + [Define to long or long long if <inttypes.h> and <stdint.h> don't define.]) + else + AC_DEFINE([HAVE_INTMAX_T], [1], + [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) + fi +]) + +dnl An alternative would be to explicitly test for 'intmax_t'. + +AC_DEFUN([gt_AC_TYPE_INTMAX_T], +[ + AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([gl_AC_HEADER_STDINT_H]) + AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <stddef.h> +#include <stdlib.h> +#if HAVE_STDINT_H_WITH_UINTMAX +#include <stdint.h> +#endif +#if HAVE_INTTYPES_H_WITH_UINTMAX +#include <inttypes.h> +#endif + ]], + [[intmax_t x = -1; return !x;]])], + [gt_cv_c_intmax_t=yes], + [gt_cv_c_intmax_t=no])]) + if test $gt_cv_c_intmax_t = yes; then + AC_DEFINE([HAVE_INTMAX_T], [1], + [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) + else + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + test $ac_cv_type_long_long_int = yes \ + && ac_type='long long' \ + || ac_type='long' + AC_DEFINE_UNQUOTED([intmax_t], [$ac_type], + [Define to long or long long if <stdint.h> and <inttypes.h> don't define.]) + fi +]) diff --git a/m4/inttostr.m4 b/m4/inttostr.m4 new file mode 100644 index 00000000..850451fd --- /dev/null +++ b/m4/inttostr.m4 @@ -0,0 +1,32 @@ +#serial 8 +dnl Copyright (C) 2004-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_INTTOSTR], +[ + gl_PREREQ_INTTOSTR + gl_PREREQ_IMAXTOSTR + gl_PREREQ_OFFTOSTR + gl_PREREQ_UMAXTOSTR + gl_PREREQ_UINTTOSTR +]) + +# Prerequisites of lib/inttostr.h. +AC_DEFUN([gl_PREREQ_INTTOSTR], [ + AC_REQUIRE([AC_TYPE_OFF_T]) + : +]) + +# Prerequisites of lib/imaxtostr.c. +AC_DEFUN([gl_PREREQ_IMAXTOSTR], [:]) + +# Prerequisites of lib/offtostr.c. +AC_DEFUN([gl_PREREQ_OFFTOSTR], [:]) + +# Prerequisites of lib/umaxtostr.c. +AC_DEFUN([gl_PREREQ_UMAXTOSTR], [:]) + +# Prerequisites of lib/uinttostr.c. +AC_DEFUN([gl_PREREQ_UINTTOSTR], [:]) diff --git a/m4/inttypes-pri.m4 b/m4/inttypes-pri.m4 new file mode 100644 index 00000000..977206fa --- /dev/null +++ b/m4/inttypes-pri.m4 @@ -0,0 +1,42 @@ +# inttypes-pri.m4 serial 7 (gettext-0.18.2) +dnl Copyright (C) 1997-2002, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_PREREQ([2.53]) + +# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI* +# macros to non-string values. This is the case on AIX 4.3.3. + +AC_DEFUN([gt_INTTYPES_PRI], +[ + AC_CHECK_HEADERS([inttypes.h]) + if test $ac_cv_header_inttypes_h = yes; then + AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken], + [gt_cv_inttypes_pri_broken], + [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <inttypes.h> +#ifdef PRId32 +char *p = PRId32; +#endif + ]], + [[]])], + [gt_cv_inttypes_pri_broken=no], + [gt_cv_inttypes_pri_broken=yes]) + ]) + fi + if test "$gt_cv_inttypes_pri_broken" = yes; then + AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1], + [Define if <inttypes.h> exists and defines unusable PRI* macros.]) + PRI_MACROS_BROKEN=1 + else + PRI_MACROS_BROKEN=0 + fi + AC_SUBST([PRI_MACROS_BROKEN]) +]) diff --git a/m4/inttypes.m4 b/m4/inttypes.m4 new file mode 100644 index 00000000..eec4f41d --- /dev/null +++ b/m4/inttypes.m4 @@ -0,0 +1,157 @@ +# inttypes.m4 serial 26 +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Derek Price, Bruno Haible. +dnl Test whether <inttypes.h> is supported or must be substituted. + +AC_DEFUN([gl_INTTYPES_H], +[ + AC_REQUIRE([gl_INTTYPES_INCOMPLETE]) + gl_INTTYPES_PRI_SCN +]) + +AC_DEFUN_ONCE([gl_INTTYPES_INCOMPLETE], +[ + AC_REQUIRE([gl_STDINT_H]) + AC_CHECK_HEADERS_ONCE([inttypes.h]) + + dnl Override <inttypes.h> always, so that the portability warnings work. + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + gl_CHECK_NEXT_HEADERS([inttypes.h]) + + AC_REQUIRE([gl_MULTIARCH]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <inttypes.h> + ]], [imaxabs imaxdiv strtoimax strtoumax]) +]) + +# Ensure that the PRI* and SCN* macros are defined appropriately. +AC_DEFUN([gl_INTTYPES_PRI_SCN], +[ + AC_REQUIRE([gt_INTTYPES_PRI]) + + PRIPTR_PREFIX= + if test -n "$STDINT_H"; then + dnl Using the gnulib <stdint.h>. It always defines intptr_t to 'long'. + PRIPTR_PREFIX='"l"' + else + dnl Using the system's <stdint.h>. + for glpfx in '' l ll I64; do + case $glpfx in + '') gltype1='int';; + l) gltype1='long int';; + ll) gltype1='long long int';; + I64) gltype1='__int64';; + esac + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <stdint.h> + extern intptr_t foo; + extern $gltype1 foo;]])], + [PRIPTR_PREFIX='"'$glpfx'"']) + test -n "$PRIPTR_PREFIX" && break + done + fi + AC_SUBST([PRIPTR_PREFIX]) + + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [INT32_MAX_LT_INTMAX_MAX], + [defined INT32_MAX && defined INTMAX_MAX], + [INT32_MAX < INTMAX_MAX], + [sizeof (int) < sizeof (long long int)]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [INT64_MAX_EQ_LONG_MAX], + [defined INT64_MAX], + [INT64_MAX == LONG_MAX], + [sizeof (long long int) == sizeof (long int)]) + else + INT64_MAX_EQ_LONG_MAX=-1 + fi + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [UINT32_MAX_LT_UINTMAX_MAX], + [defined UINT32_MAX && defined UINTMAX_MAX], + [UINT32_MAX < UINTMAX_MAX], + [sizeof (unsigned int) < sizeof (unsigned long long int)]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION( + [UINT64_MAX_EQ_ULONG_MAX], + [defined UINT64_MAX], + [UINT64_MAX == ULONG_MAX], + [sizeof (unsigned long long int) == sizeof (unsigned long int)]) + else + UINT64_MAX_EQ_ULONG_MAX=-1 + fi +]) + +# Define the symbol $1 to be 1 if the condition is true, 0 otherwise. +# If $2 is true, the condition is $3; otherwise if long long int is supported +# approximate the condition with $4; otherwise, assume the condition is false. +# The condition should work on all C99 platforms; the approximations should be +# good enough to work on all practical pre-C99 platforms. +# $2 is evaluated by the C preprocessor, $3 and $4 as compile-time constants. +AC_DEFUN([gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION], +[ + AC_CACHE_CHECK([whether $3], + [gl_cv_test_$1], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[/* Work also in C++ mode. */ + #define __STDC_LIMIT_MACROS 1 + + /* Work if build is not clean. */ + #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H + + #include <limits.h> + #if HAVE_STDINT_H + #include <stdint.h> + #endif + + #if $2 + #define CONDITION ($3) + #elif HAVE_LONG_LONG_INT + #define CONDITION ($4) + #else + #define CONDITION 0 + #endif + int test[CONDITION ? 1 : -1];]])], + [gl_cv_test_$1=yes], + [gl_cv_test_$1=no])]) + if test $gl_cv_test_$1 = yes; then + $1=1; + else + $1=0; + fi + AC_SUBST([$1]) +]) + +AC_DEFUN([gl_INTTYPES_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_INTTYPES_H_DEFAULTS], +[ + GNULIB_IMAXABS=0; AC_SUBST([GNULIB_IMAXABS]) + GNULIB_IMAXDIV=0; AC_SUBST([GNULIB_IMAXDIV]) + GNULIB_STRTOIMAX=0; AC_SUBST([GNULIB_STRTOIMAX]) + GNULIB_STRTOUMAX=0; AC_SUBST([GNULIB_STRTOUMAX]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_IMAXABS=1; AC_SUBST([HAVE_DECL_IMAXABS]) + HAVE_DECL_IMAXDIV=1; AC_SUBST([HAVE_DECL_IMAXDIV]) + HAVE_DECL_STRTOIMAX=1; AC_SUBST([HAVE_DECL_STRTOIMAX]) + HAVE_DECL_STRTOUMAX=1; AC_SUBST([HAVE_DECL_STRTOUMAX]) + REPLACE_STRTOIMAX=0; AC_SUBST([REPLACE_STRTOIMAX]) + INT32_MAX_LT_INTMAX_MAX=1; AC_SUBST([INT32_MAX_LT_INTMAX_MAX]) + INT64_MAX_EQ_LONG_MAX='defined _LP64'; AC_SUBST([INT64_MAX_EQ_LONG_MAX]) + PRI_MACROS_BROKEN=0; AC_SUBST([PRI_MACROS_BROKEN]) + PRIPTR_PREFIX=__PRIPTR_PREFIX; AC_SUBST([PRIPTR_PREFIX]) + UINT32_MAX_LT_UINTMAX_MAX=1; AC_SUBST([UINT32_MAX_LT_UINTMAX_MAX]) + UINT64_MAX_EQ_ULONG_MAX='defined _LP64'; AC_SUBST([UINT64_MAX_EQ_ULONG_MAX]) +]) diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4 new file mode 100644 index 00000000..91c7bca6 --- /dev/null +++ b/m4/inttypes_h.m4 @@ -0,0 +1,29 @@ +# inttypes_h.m4 serial 10 +dnl Copyright (C) 1997-2004, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists, +# doesn't clash with <sys/types.h>, and declares uintmax_t. + +AC_DEFUN([gl_AC_HEADER_INTTYPES_H], +[ + AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <sys/types.h> +#include <inttypes.h> + ]], + [[uintmax_t i = (uintmax_t) -1; return !i;]])], + [gl_cv_header_inttypes_h=yes], + [gl_cv_header_inttypes_h=no])]) + if test $gl_cv_header_inttypes_h = yes; then + AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1], + [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, + and declares uintmax_t. ]) + fi +]) diff --git a/m4/ioctl.m4 b/m4/ioctl.m4 new file mode 100644 index 00000000..ec0b7289 --- /dev/null +++ b/m4/ioctl.m4 @@ -0,0 +1,41 @@ +# ioctl.m4 serial 4 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_IOCTL], +[ + AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS]) + AC_REQUIRE([gl_HEADER_SYS_SOCKET]) + HAVE_IOCTL=1 + if test "$ac_cv_header_winsock2_h" = yes; then + dnl Even if the 'socket' module is not used here, another part of the + dnl application may use it and pass file descriptors that refer to + dnl sockets to the ioctl() function. So enable the support for sockets. + HAVE_IOCTL=0 + else + AC_CHECK_FUNCS([ioctl]) + dnl On glibc systems, the second parameter is 'unsigned long int request', + dnl not 'int request'. We cannot simply cast the function pointer, but + dnl instead need a wrapper. + AC_CACHE_CHECK([for ioctl with POSIX signature], + [gl_cv_func_ioctl_posix_signature], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/ioctl.h>]], + [[extern + #ifdef __cplusplus + "C" + #endif + int ioctl (int, int, ...); + ]]) + ], + [gl_cv_func_ioctl_posix_signature=yes], + [gl_cv_func_ioctl_posix_signature=no]) + ]) + if test $gl_cv_func_ioctl_posix_signature != yes; then + REPLACE_IOCTL=1 + fi + fi +]) diff --git a/m4/isapipe.m4 b/m4/isapipe.m4 new file mode 100644 index 00000000..33d33922 --- /dev/null +++ b/m4/isapipe.m4 @@ -0,0 +1,93 @@ +# Test whether a file descriptor is a pipe. + +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_ISAPIPE], +[ + # OpenVMS has isapipe already, so check for it. + AC_CHECK_FUNCS([isapipe]) + if test $ac_cv_func_isapipe = yes; then + HAVE_ISAPIPE=1 + else + HAVE_ISAPIPE=0 + fi +]) + +# Prerequisites of lib/isapipe.c. +AC_DEFUN([gl_PREREQ_ISAPIPE], +[ + AC_CACHE_CHECK([whether pipes are FIFOs (and for their link count)], + [gl_cv_pipes_are_fifos], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE( + [[#include <stdio.h> + #include <sys/types.h> + #include <sys/stat.h> + #include <unistd.h> + #ifndef S_ISFIFO + #define S_ISFIFO(m) 0 + #endif + #ifndef S_ISSOCK + #define S_ISSOCK(m) 0 + #endif + int + main (int argc, char **argv) + { + int fd[2]; + struct stat st; + if (pipe (fd) != 0) + return 1; + if (fstat (fd[0], &st) != 0) + return 2; + if (2 <= argc && argv[1][0] == '-') + { + char const *yesno = (S_ISFIFO (st.st_mode) ? "yes" : "no"); + if (st.st_nlink <= 1) + { + long int i = st.st_nlink; + if (i != st.st_nlink) + return 3; + printf ("%s (%ld)\n", yesno, i); + } + else + { + unsigned long int i = st.st_nlink; + if (i != st.st_nlink) + return 4; + printf ("%s (%lu)\n", yesno, i); + } + } + else + { + if (! S_ISFIFO (st.st_mode) && ! S_ISSOCK (st.st_mode)) + return 5; + } + return 0; + }]])], + [gl_cv_pipes_are_fifos=`./conftest$ac_exeext -` + test -z "$gl_cv_pipes_are_fifos" && gl_cv_pipes_are_fifos=no], + [gl_cv_pipes_are_fifos=unknown], + [gl_cv_pipes_are_fifos=cross-compiling])]) + + case $gl_cv_pipes_are_fifos in #( + 'yes ('*')') + AC_DEFINE([HAVE_FIFO_PIPES], [1], + [Define to 1 if pipes are FIFOs, 0 if sockets. Leave undefined + if not known.]);; #( + 'no ('*')') + AC_DEFINE([HAVE_FIFO_PIPES], [0]);; + esac + + case $gl_cv_pipes_are_fifos in #( + *'('*')') + AC_DEFINE_UNQUOTED([PIPE_LINK_COUNT_MAX], + [`expr "$gl_cv_pipes_are_fifos" : '.*\((.*)\)'`], + [Define to the maximum link count that a true pipe can have.]);; + esac +]) diff --git a/m4/isatty.m4 b/m4/isatty.m4 new file mode 100644 index 00000000..6f81d18e --- /dev/null +++ b/m4/isatty.m4 @@ -0,0 +1,21 @@ +# isatty.m4 serial 2 +dnl Copyright (C) 2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_ISATTY], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + dnl On native Windows, the system's isatty(), defined as an alias of _isatty() + dnl in the "oldnames" library, returns true for the NUL device. + case $host_os in + mingw*) REPLACE_ISATTY=1 ;; + esac +]) + +# Prerequisites of lib/isatty.c. +AC_DEFUN([gl_PREREQ_ISATTY], [ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/isblank.m4 b/m4/isblank.m4 new file mode 100644 index 00000000..98e926dc --- /dev/null +++ b/m4/isblank.m4 @@ -0,0 +1,17 @@ +# isblank.m4 serial 3 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_ISBLANK], +[ + dnl Persuade glibc <ctype.h> to declare isblank(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_CTYPE_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([isblank]) + if test $ac_cv_func_isblank = no; then + HAVE_ISBLANK=0 + fi +]) diff --git a/m4/isnand.m4 b/m4/isnand.m4 new file mode 100644 index 00000000..54b64a45 --- /dev/null +++ b/m4/isnand.m4 @@ -0,0 +1,96 @@ +# isnand.m4 serial 11 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check how to get or define isnand(). + +AC_DEFUN([gl_FUNC_ISNAND], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + ISNAND_LIBM= + gl_HAVE_ISNAND_NO_LIBM + if test $gl_cv_func_isnand_no_libm = no; then + gl_HAVE_ISNAND_IN_LIBM + if test $gl_cv_func_isnand_in_libm = yes; then + ISNAND_LIBM=-lm + fi + fi + dnl The variable gl_func_isnand set here is used by isnan.m4. + if test $gl_cv_func_isnand_no_libm = yes \ + || test $gl_cv_func_isnand_in_libm = yes; then + gl_func_isnand=yes + else + gl_func_isnand=no + HAVE_ISNAND=0 + fi + AC_SUBST([ISNAND_LIBM]) +]) + +dnl Check how to get or define isnand() without linking with libm. + +AC_DEFUN([gl_FUNC_ISNAND_NO_LIBM], +[ + gl_HAVE_ISNAND_NO_LIBM + gl_func_isnand_no_libm=$gl_cv_func_isnand_no_libm + if test $gl_cv_func_isnand_no_libm = yes; then + AC_DEFINE([HAVE_ISNAND_IN_LIBC], [1], + [Define if the isnan(double) function is available in libc.]) + fi +]) + +dnl Prerequisites of replacement isnand definition. It does not need -lm. +AC_DEFUN([gl_PREREQ_ISNAND], +[ + AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION]) +]) + +dnl Test whether isnand() can be used with libm. + +AC_DEFUN([gl_HAVE_ISNAND_IN_LIBM], +[ + AC_CACHE_CHECK([whether isnan(double) can be used with libm], + [gl_cv_func_isnand_in_libm], + [ + save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + #if __GNUC__ >= 4 + # undef isnand + # define isnand(x) __builtin_isnan ((double)(x)) + #elif defined isnan + # undef isnand + # define isnand(x) isnan ((double)(x)) + #endif + double x;]], + [[return isnand (x);]])], + [gl_cv_func_isnand_in_libm=yes], + [gl_cv_func_isnand_in_libm=no]) + LIBS="$save_LIBS" + ]) +]) + +AC_DEFUN([gl_HAVE_ISNAND_NO_LIBM], +[ + AC_CACHE_CHECK([whether isnan(double) can be used without linking with libm], + [gl_cv_func_isnand_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + #if __GNUC__ >= 4 + # undef isnand + # define isnand(x) __builtin_isnan ((double)(x)) + #else + # undef isnand + # define isnand(x) isnan ((double)(x)) + #endif + double x;]], + [[return isnand (x);]])], + [gl_cv_func_isnand_no_libm=yes], + [gl_cv_func_isnand_no_libm=no]) + ]) +]) diff --git a/m4/isnanf.m4 b/m4/isnanf.m4 new file mode 100644 index 00000000..97f638a9 --- /dev/null +++ b/m4/isnanf.m4 @@ -0,0 +1,188 @@ +# isnanf.m4 serial 14 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check how to get or define isnanf(). + +AC_DEFUN([gl_FUNC_ISNANF], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + ISNANF_LIBM= + gl_HAVE_ISNANF_NO_LIBM + if test $gl_cv_func_isnanf_no_libm = no; then + gl_HAVE_ISNANF_IN_LIBM + if test $gl_cv_func_isnanf_in_libm = yes; then + ISNANF_LIBM=-lm + fi + fi + dnl The variable gl_func_isnanf set here is used by isnan.m4. + if test $gl_cv_func_isnanf_no_libm = yes \ + || test $gl_cv_func_isnanf_in_libm = yes; then + save_LIBS="$LIBS" + LIBS="$LIBS $ISNANF_LIBM" + gl_ISNANF_WORKS + LIBS="$save_LIBS" + case "$gl_cv_func_isnanf_works" in + *yes) gl_func_isnanf=yes ;; + *) gl_func_isnanf=no; ISNANF_LIBM= ;; + esac + else + gl_func_isnanf=no + fi + if test $gl_func_isnanf != yes; then + HAVE_ISNANF=0 + fi + AC_SUBST([ISNANF_LIBM]) +]) + +dnl Check how to get or define isnanf() without linking with libm. + +AC_DEFUN([gl_FUNC_ISNANF_NO_LIBM], +[ + gl_HAVE_ISNANF_NO_LIBM + if test $gl_cv_func_isnanf_no_libm = yes; then + gl_ISNANF_WORKS + fi + if test $gl_cv_func_isnanf_no_libm = yes \ + && { case "$gl_cv_func_isnanf_works" in + *yes) true;; + *) false;; + esac + }; then + gl_func_isnanf_no_libm=yes + AC_DEFINE([HAVE_ISNANF_IN_LIBC], [1], + [Define if the isnan(float) function is available in libc.]) + else + gl_func_isnanf_no_libm=no + fi +]) + +dnl Prerequisites of replacement isnanf definition. It does not need -lm. +AC_DEFUN([gl_PREREQ_ISNANF], +[ + gl_FLOAT_EXPONENT_LOCATION +]) + +dnl Test whether isnanf() can be used without libm. +AC_DEFUN([gl_HAVE_ISNANF_NO_LIBM], +[ + AC_CACHE_CHECK([whether isnan(float) can be used without linking with libm], + [gl_cv_func_isnanf_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + #if __GNUC__ >= 4 + # undef isnanf + # define isnanf(x) __builtin_isnanf ((float)(x)) + #elif defined isnan + # undef isnanf + # define isnanf(x) isnan ((float)(x)) + #endif + float x;]], + [[return isnanf (x);]])], + [gl_cv_func_isnanf_no_libm=yes], + [gl_cv_func_isnanf_no_libm=no]) + ]) +]) + +dnl Test whether isnanf() can be used with libm. +AC_DEFUN([gl_HAVE_ISNANF_IN_LIBM], +[ + AC_CACHE_CHECK([whether isnan(float) can be used with libm], + [gl_cv_func_isnanf_in_libm], + [ + save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + #if __GNUC__ >= 4 + # undef isnanf + # define isnanf(x) __builtin_isnanf ((float)(x)) + #elif defined isnan + # undef isnanf + # define isnanf(x) isnan ((float)(x)) + #endif + float x;]], + [[return isnanf (x);]])], + [gl_cv_func_isnanf_in_libm=yes], + [gl_cv_func_isnanf_in_libm=no]) + LIBS="$save_LIBS" + ]) +]) + +dnl Test whether isnanf() rejects Infinity (this fails on Solaris 2.5.1), +dnl recognizes a NaN (this fails on IRIX 6.5 with cc), and recognizes a NaN +dnl with in-memory representation 0x7fbfffff (this fails on IRIX 6.5). +AC_DEFUN([gl_ISNANF_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_FLOAT_EXPONENT_LOCATION]) + AC_CACHE_CHECK([whether isnan(float) works], [gl_cv_func_isnanf_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <math.h> +#if __GNUC__ >= 4 +# undef isnanf +# define isnanf(x) __builtin_isnanf ((float)(x)) +#elif defined isnan +# undef isnanf +# define isnanf(x) isnan ((float)(x)) +#endif +/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ +#ifdef __DECC +static float +NaN () +{ + static float zero = 0.0f; + return zero / zero; +} +#else +# define NaN() (0.0f / 0.0f) +#endif +#define NWORDS \ + ((sizeof (float) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) +typedef union { unsigned int word[NWORDS]; float value; } memory_float; +int main() +{ + int result = 0; + + if (isnanf (1.0f / 0.0f)) + result |= 1; + + if (!isnanf (NaN ())) + result |= 2; + +#if defined FLT_EXPBIT0_WORD && defined FLT_EXPBIT0_BIT + /* The isnanf function should be immune against changes in the sign bit and + in the mantissa bits. The xor operation twiddles a bit that can only be + a sign bit or a mantissa bit. */ + if (FLT_EXPBIT0_WORD == 0 && FLT_EXPBIT0_BIT > 0) + { + memory_float m; + + m.value = NaN (); + /* Set the bits below the exponent to 01111...111. */ + m.word[0] &= -1U << FLT_EXPBIT0_BIT; + m.word[0] |= 1U << (FLT_EXPBIT0_BIT - 1) - 1; + if (!isnanf (m.value)) + result |= 4; + } +#endif + + return result; +}]])], + [gl_cv_func_isnanf_works=yes], + [gl_cv_func_isnanf_works=no], + [case "$host_os" in + irix* | solaris*) gl_cv_func_isnanf_works="guessing no";; + *) gl_cv_func_isnanf_works="guessing yes";; + esac + ]) + ]) +]) diff --git a/m4/isnanl.m4 b/m4/isnanl.m4 new file mode 100644 index 00000000..81469ab8 --- /dev/null +++ b/m4/isnanl.m4 @@ -0,0 +1,255 @@ +# isnanl.m4 serial 17 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_ISNANL], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + ISNANL_LIBM= + gl_HAVE_ISNANL_NO_LIBM + if test $gl_cv_func_isnanl_no_libm = no; then + gl_HAVE_ISNANL_IN_LIBM + if test $gl_cv_func_isnanl_in_libm = yes; then + ISNANL_LIBM=-lm + fi + fi + dnl The variable gl_func_isnanl set here is used by isnan.m4. + if test $gl_cv_func_isnanl_no_libm = yes \ + || test $gl_cv_func_isnanl_in_libm = yes; then + save_LIBS="$LIBS" + LIBS="$LIBS $ISNANL_LIBM" + gl_FUNC_ISNANL_WORKS + LIBS="$save_LIBS" + case "$gl_cv_func_isnanl_works" in + *yes) gl_func_isnanl=yes ;; + *) gl_func_isnanl=no; ISNANL_LIBM= ;; + esac + else + gl_func_isnanl=no + fi + if test $gl_func_isnanl != yes; then + HAVE_ISNANL=0 + fi + AC_SUBST([ISNANL_LIBM]) +]) + +AC_DEFUN([gl_FUNC_ISNANL_NO_LIBM], +[ + gl_HAVE_ISNANL_NO_LIBM + gl_func_isnanl_no_libm=$gl_cv_func_isnanl_no_libm + if test $gl_func_isnanl_no_libm = yes; then + gl_FUNC_ISNANL_WORKS + case "$gl_cv_func_isnanl_works" in + *yes) ;; + *) gl_func_isnanl_no_libm=no ;; + esac + fi + if test $gl_func_isnanl_no_libm = yes; then + AC_DEFINE([HAVE_ISNANL_IN_LIBC], [1], + [Define if the isnan(long double) function is available in libc.]) + fi +]) + +dnl Prerequisites of replacement isnanl definition. It does not need -lm. +AC_DEFUN([gl_PREREQ_ISNANL], +[ + gl_LONG_DOUBLE_EXPONENT_LOCATION + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) +]) + +dnl Test whether isnanl() can be used without libm. +AC_DEFUN([gl_HAVE_ISNANL_NO_LIBM], +[ + AC_CACHE_CHECK([whether isnan(long double) can be used without linking with libm], + [gl_cv_func_isnanl_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + #if __GNUC__ >= 4 + # undef isnanl + # define isnanl(x) __builtin_isnanl ((long double)(x)) + #elif defined isnan + # undef isnanl + # define isnanl(x) isnan ((long double)(x)) + #endif + long double x;]], + [[return isnanl (x);]])], + [gl_cv_func_isnanl_no_libm=yes], + [gl_cv_func_isnanl_no_libm=no]) + ]) +]) + +dnl Test whether isnanl() can be used with libm. +AC_DEFUN([gl_HAVE_ISNANL_IN_LIBM], +[ + AC_CACHE_CHECK([whether isnan(long double) can be used with libm], + [gl_cv_func_isnanl_in_libm], + [ + save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + #if __GNUC__ >= 4 + # undef isnanl + # define isnanl(x) __builtin_isnanl ((long double)(x)) + #elif defined isnan + # undef isnanl + # define isnanl(x) isnan ((long double)(x)) + #endif + long double x;]], + [[return isnanl (x);]])], + [gl_cv_func_isnanl_in_libm=yes], + [gl_cv_func_isnanl_in_libm=no]) + LIBS="$save_LIBS" + ]) +]) + +dnl Test whether isnanl() recognizes all numbers which are neither finite nor +dnl infinite. This test fails e.g. on NetBSD/i386 and on glibc/ia64. +dnl Also, the GCC >= 4.0 built-in __builtin_isnanl does not pass the tests +dnl - for pseudo-denormals on i686 and x86_64, +dnl - for pseudo-zeroes, unnormalized numbers, and pseudo-denormals on ia64. +AC_DEFUN([gl_FUNC_ISNANL_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether isnanl works], [gl_cv_func_isnanl_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <float.h> +#include <limits.h> +#include <math.h> +#if __GNUC__ >= 4 +# undef isnanl +# define isnanl(x) __builtin_isnanl ((long double)(x)) +#elif defined isnan +# undef isnanl +# define isnanl(x) isnan ((long double)(x)) +#endif +#define NWORDS \ + ((sizeof (long double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) +typedef union { unsigned int word[NWORDS]; long double value; } + memory_long_double; +/* On Irix 6.5, gcc 3.4.3 can't compute compile-time NaN, and needs the + runtime type conversion. */ +#ifdef __sgi +static long double NaNl () +{ + double zero = 0.0; + return zero / zero; +} +#else +# define NaNl() (0.0L / 0.0L) +#endif +int main () +{ + int result = 0; + + if (!isnanl (NaNl ())) + result |= 1; + + { + memory_long_double m; + unsigned int i; + + /* The isnanl function should be immune against changes in the sign bit and + in the mantissa bits. The xor operation twiddles a bit that can only be + a sign bit or a mantissa bit (since the exponent never extends to + bit 31). */ + m.value = NaNl (); + m.word[NWORDS / 2] ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1); + for (i = 0; i < NWORDS; i++) + m.word[i] |= 1; + if (!isnanl (m.value)) + result |= 1; + } + +#if ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE +/* Representation of an 80-bit 'long double' as an initializer for a sequence + of 'unsigned int' words. */ +# ifdef WORDS_BIGENDIAN +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \ + ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \ + (unsigned int) (mantlo) << 16 \ + } +# else +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { mantlo, manthi, exponent } +# endif + { /* Quiet NaN. */ + static memory_long_double x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + if (!isnanl (x.value)) + result |= 2; + } + { + /* Signalling NaN. */ + static memory_long_double x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + if (!isnanl (x.value)) + result |= 2; + } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static memory_long_double x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + if (!isnanl (x.value)) + result |= 4; + } + { /* Pseudo-Infinity. */ + static memory_long_double x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + if (!isnanl (x.value)) + result |= 8; + } + { /* Pseudo-Zero. */ + static memory_long_double x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + if (!isnanl (x.value)) + result |= 16; + } + { /* Unnormalized number. */ + static memory_long_double x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + if (!isnanl (x.value)) + result |= 32; + } + { /* Pseudo-Denormal. */ + static memory_long_double x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + if (!isnanl (x.value)) + result |= 64; + } +#endif + + return result; +}]])], + [gl_cv_func_isnanl_works=yes], + [gl_cv_func_isnanl_works=no], + [case "$host_cpu" in + # Guess no on ia64, x86_64, i386. + ia64 | x86_64 | i*86) gl_cv_func_isnanl_works="guessing no";; + *) + case "$host_os" in + netbsd*) gl_cv_func_isnanl_works="guessing no";; + *) gl_cv_func_isnanl_works="guessing yes";; + esac + ;; + esac + ]) + ]) +]) diff --git a/m4/iswblank.m4 b/m4/iswblank.m4 new file mode 100644 index 00000000..8e63a034 --- /dev/null +++ b/m4/iswblank.m4 @@ -0,0 +1,41 @@ +# iswblank.m4 serial 4 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_ISWBLANK], +[ + AC_REQUIRE([gl_WCTYPE_H_DEFAULTS]) + AC_REQUIRE([gl_WCTYPE_H]) + dnl Persuade glibc <wctype.h> to declare iswblank(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([iswblank]) + AC_CHECK_DECLS([iswblank], , , [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included + before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +#include <wctype.h> +]]) + if test $ac_cv_func_iswblank = no; then + HAVE_ISWBLANK=0 + if test $ac_cv_have_decl_iswblank = yes; then + REPLACE_ISWBLANK=1 + fi + fi + if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then + dnl Redefine all of iswcntrl, ..., towupper in <wctype.h>. + : + else + if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then + dnl Redefine only iswblank. + : + fi + fi + +]) diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4 new file mode 100644 index 00000000..016172f0 --- /dev/null +++ b/m4/jm-macros.m4 @@ -0,0 +1,234 @@ +#serial 110 -*- autoconf -*- + +dnl Misc type-related macros for coreutils. + +# Copyright (C) 1998-2012 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Written by Jim Meyering. + +AC_DEFUN([coreutils_MACROS], +[ + AM_MISSING_PROG(HELP2MAN, help2man) + AC_SUBST([MAN]) + + dnl This macro actually runs replacement code. See isc-posix.m4. + AC_REQUIRE([AC_ISC_POSIX])dnl + + gl_CHECK_ALL_TYPES + + AC_REQUIRE([gl_CHECK_DECLS]) + + AC_REQUIRE([gl_PREREQ]) + + AC_REQUIRE([AC_FUNC_FSEEKO]) + + # By default, argmatch should fail calling usage (EXIT_FAILURE). + AC_DEFINE([ARGMATCH_DIE], [usage (EXIT_FAILURE)], + [Define to the function xargmatch calls on failures.]) + AC_DEFINE([ARGMATCH_DIE_DECL], [void usage (int _e)], + [Define to the declaration of the xargmatch failure function.]) + + # used by shred + AC_CHECK_FUNCS_ONCE([directio]) + + # Used by install.c. + coreutils_saved_libs=$LIBS + LIBS="$LIBS $LIB_SELINUX" + AC_CHECK_FUNCS([matchpathcon_init_prefix], [], + [ + case "$ac_cv_search_setfilecon:$ac_cv_header_selinux_selinux_h" in + no:*) # SELinux disabled + ;; + *:no) # SELinux disabled + ;; + *) + AC_MSG_WARN([SELinux enabled, but matchpathcon_init_prefix not found]) + AC_MSG_WARN([The install utility may run slowly]) + esac + ]) + LIBS=$coreutils_saved_libs + + # Used by sort.c. + AC_CHECK_FUNCS_ONCE([nl_langinfo]) + # Used by timeout.c + AC_CHECK_FUNCS_ONCE([setrlimit]) + + # Used by tail.c. + AC_CHECK_FUNCS([inotify_init], + [AC_DEFINE([HAVE_INOTIFY], [1], + [Define to 1 if you have usable inotify support.])]) + + AC_CHECK_FUNCS_ONCE([ + endgrent + endpwent + fchown + fchmod + ftruncate + iswspace + mkfifo + mbrlen + setgroups + sethostname + siginterrupt + sync + sysctl + sysinfo + tcgetpgrp + ]) + + # These checks are for Interix, to avoid its getgr* functions, in favor + # of these replacements. The replacement functions are much more efficient + # because they do not query the domain controller for user information + # when it is not needed. + AC_CHECK_FUNCS_ONCE([ + getgrgid_nomembers + getgrnam_nomembers + getgrent_nomembers + ]) + + dnl This can't use AC_REQUIRE; I'm not quite sure why. + cu_PREREQ_STAT_PROG + + # for dd.c and shred.c + # + # Use fdatasync only if declared. On MacOS X 10.7, fdatasync exists but + # is not declared, and is ineffective. + LIB_FDATASYNC= + AC_SUBST([LIB_FDATASYNC]) + AC_CHECK_DECLS_ONCE([fdatasync]) + if test $ac_cv_have_decl_fdatasync = yes; then + coreutils_saved_libs=$LIBS + AC_SEARCH_LIBS([fdatasync], [rt posix4], + [test "$ac_cv_search_fdatasync" = "none required" || + LIB_FDATASYNC=$ac_cv_search_fdatasync]) + AC_CHECK_FUNCS([fdatasync]) + LIBS=$coreutils_saved_libs + fi + + # Check whether libcap is usable -- for ls --color support + LIB_CAP= + AC_ARG_ENABLE([libcap], + AC_HELP_STRING([--disable-libcap], [disable libcap support])) + if test "X$enable_libcap" != "Xno"; then + AC_CHECK_LIB([cap], [cap_get_file], + [AC_CHECK_HEADER([sys/capability.h], + [LIB_CAP=-lcap + AC_DEFINE([HAVE_CAP], [1], [libcap usability])] + )]) + if test "X$LIB_CAP" = "X"; then + if test "X$enable_libcap" = "Xyes"; then + AC_MSG_ERROR([libcap library was not found or not usable]) + else + AC_MSG_WARN([libcap library was not found or not usable.]) + AC_MSG_WARN([AC_PACKAGE_NAME will be built without capability support.]) + fi + fi + else + AC_MSG_WARN([libcap support disabled by user]) + fi + AC_SUBST([LIB_CAP]) + + # See if linking 'seq' requires -lm. + # It does on nearly every system. The single exception (so far) is + # BeOS which has all the math functions in the normal runtime library + # and doesn't have a separate math library. + + AC_SUBST([SEQ_LIBM]) + ac_seq_body=' + static double x, y; + x = floor (x); + x = rint (x); + x = modf (x, &y);' + AC_TRY_LINK([#include <math.h>], [$ac_seq_body], , + [ac_seq_save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_TRY_LINK([#include <math.h>], [$ac_seq_body], [SEQ_LIBM=-lm]) + LIBS="$ac_seq_save_LIBS" + ]) + + AC_REQUIRE([AM_LANGINFO_CODESET]) + + # Accept configure options: --with-tty-group[=GROUP], --without-tty-group + # You can determine the group of a TTY via 'stat --format %G /dev/tty' + # Omitting this option is equivalent to using --without-tty-group. + AC_ARG_WITH([tty-group], + AS_HELP_STRING([--with-tty-group[[[=NAME]]]], + [group used by system for TTYs, "tty" when not specified] + [ (default: do not rely on any group used for TTYs)]), + [tty_group_name=$withval], + [tty_group_name=no]) + + if test "x$tty_group_name" != xno; then + if test "x$tty_group_name" = xyes; then + tty_group_name=tty + fi + AC_MSG_NOTICE([TTY group used by system set to "$tty_group_name"]) + AC_DEFINE_UNQUOTED([TTY_GROUP_NAME], ["$tty_group_name"], + [group used by system for TTYs]) + fi +]) + +AC_DEFUN([gl_CHECK_ALL_HEADERS], +[ + AC_CHECK_HEADERS_ONCE([ + hurd.h + paths.h + priv.h + stropts.h + sys/param.h + sys/systeminfo.h + syslog.h + ]) + AC_CHECK_HEADERS([sys/sysctl.h], [], [], + [AC_INCLUDES_DEFAULT + [#if HAVE_SYS_PARAM_H + #include <sys/param.h> + #endif]]) +]) + +# This macro must be invoked before any tests that run the compiler. +AC_DEFUN([gl_CHECK_ALL_TYPES], +[ + dnl Checks for typedefs, structures, and compiler characteristics. + AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([AC_C_VOLATILE]) + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) + + AC_REQUIRE([gl_CHECK_ALL_HEADERS]) + AC_CHECK_MEMBERS( + [struct stat.st_author],,, + [$ac_includes_default +#include <sys/stat.h> + ]) + AC_REQUIRE([AC_STRUCT_ST_BLOCKS]) + + AC_REQUIRE([AC_TYPE_GETGROUPS]) + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + AC_REQUIRE([AC_TYPE_MODE_T]) + AC_REQUIRE([AC_TYPE_OFF_T]) + AC_REQUIRE([AC_TYPE_PID_T]) + AC_REQUIRE([AC_TYPE_SIZE_T]) + AC_REQUIRE([AC_TYPE_UID_T]) + AC_CHECK_TYPE([ino_t], [unsigned long int]) + + dnl This relies on the fact that Autoconf's implementation of + dnl AC_CHECK_TYPE checks includes unistd.h. + AC_CHECK_TYPE([major_t], [unsigned int]) + AC_CHECK_TYPE([minor_t], [unsigned int]) + + AC_REQUIRE([AC_HEADER_MAJOR]) +]) diff --git a/m4/jm-winsz1.m4 b/m4/jm-winsz1.m4 new file mode 100644 index 00000000..67b0e6cd --- /dev/null +++ b/m4/jm-winsz1.m4 @@ -0,0 +1,48 @@ +# serial 11 + +# Copyright (C) 1996, 1999, 2001-2002, 2004, 2006, 2009-2012 Free Software +# Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering and Paul Eggert. +AC_DEFUN([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H], +[AC_REQUIRE([AC_SYS_POSIX_TERMIOS]) + AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h], + gl_cv_sys_tiocgwinsz_needs_termios_h, + [gl_cv_sys_tiocgwinsz_needs_termios_h=no + + if test $ac_cv_sys_posix_termios = yes; then + AC_EGREP_CPP([yes], + [#include <sys/types.h> +# include <termios.h> +# ifdef TIOCGWINSZ + yes +# endif + ], gl_cv_sys_tiocgwinsz_needs_termios_h=yes) + fi + ]) +]) + +AC_DEFUN([gl_WINSIZE_IN_PTEM], + [AC_REQUIRE([AC_SYS_POSIX_TERMIOS]) + AC_CACHE_CHECK([whether use of struct winsize requires sys/ptem.h], + gl_cv_sys_struct_winsize_needs_sys_ptem_h, + [gl_cv_sys_struct_winsize_needs_sys_ptem_h=yes + if test $ac_cv_sys_posix_termios = yes; then + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], + [[struct winsize x; + if (sizeof x > 0) return 0;]])], + [gl_cv_sys_struct_winsize_needs_sys_ptem_h=no]) + fi + if test $gl_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/ptem.h>]], + [[struct winsize x; + if (sizeof x > 0) return 0;]])], + [], [gl_cv_sys_struct_winsize_needs_sys_ptem_h=no]) + fi]) + if test $gl_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then + AC_DEFINE([WINSIZE_IN_PTEM], [1], + [Define if sys/ptem.h is required for struct winsize.]) + fi]) diff --git a/m4/jm-winsz2.m4 b/m4/jm-winsz2.m4 new file mode 100644 index 00000000..433be072 --- /dev/null +++ b/m4/jm-winsz2.m4 @@ -0,0 +1,29 @@ +# serial 7 + +# Copyright (C) 1996, 1999, 2001, 2004, 2009-2012 Free Software Foundation, +# Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL], +[AC_REQUIRE([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H]) + AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h], + gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h, + [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no + + if test $gl_cv_sys_tiocgwinsz_needs_termios_h = no; then + AC_EGREP_CPP([yes], + [#include <sys/types.h> +# include <sys/ioctl.h> +# ifdef TIOCGWINSZ + yes +# endif + ], gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes) + fi + ]) + if test $gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then + AC_DEFINE([GWINSZ_IN_SYS_IOCTL], [1], + [Define if your system defines TIOCGWINSZ in sys/ioctl.h.]) + fi +]) diff --git a/m4/langinfo_h.m4 b/m4/langinfo_h.m4 new file mode 100644 index 00000000..b93fe706 --- /dev/null +++ b/m4/langinfo_h.m4 @@ -0,0 +1,105 @@ +# langinfo_h.m4 serial 7 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_LANGINFO_H], +[ + AC_REQUIRE([gl_LANGINFO_H_DEFAULTS]) + + dnl Persuade glibc-2.0.6 <langinfo.h> to define CODESET. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl <langinfo.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([langinfo.h]) + + dnl Determine whether <langinfo.h> exists. It is missing on mingw and BeOS. + HAVE_LANGINFO_CODESET=0 + HAVE_LANGINFO_T_FMT_AMPM=0 + HAVE_LANGINFO_ERA=0 + HAVE_LANGINFO_YESEXPR=0 + AC_CHECK_HEADERS_ONCE([langinfo.h]) + if test $ac_cv_header_langinfo_h = yes; then + HAVE_LANGINFO_H=1 + dnl Determine what <langinfo.h> defines. CODESET and ERA etc. are missing + dnl on OpenBSD 3.8. T_FMT_AMPM and YESEXPR, NOEXPR are missing on IRIX 5.3. + AC_CACHE_CHECK([whether langinfo.h defines CODESET], + [gl_cv_header_langinfo_codeset], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <langinfo.h> +int a = CODESET; +]])], + [gl_cv_header_langinfo_codeset=yes], + [gl_cv_header_langinfo_codeset=no]) + ]) + if test $gl_cv_header_langinfo_codeset = yes; then + HAVE_LANGINFO_CODESET=1 + fi + AC_CACHE_CHECK([whether langinfo.h defines T_FMT_AMPM], + [gl_cv_header_langinfo_t_fmt_ampm], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <langinfo.h> +int a = T_FMT_AMPM; +]])], + [gl_cv_header_langinfo_t_fmt_ampm=yes], + [gl_cv_header_langinfo_t_fmt_ampm=no]) + ]) + if test $gl_cv_header_langinfo_t_fmt_ampm = yes; then + HAVE_LANGINFO_T_FMT_AMPM=1 + fi + AC_CACHE_CHECK([whether langinfo.h defines ERA], + [gl_cv_header_langinfo_era], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <langinfo.h> +int a = ERA; +]])], + [gl_cv_header_langinfo_era=yes], + [gl_cv_header_langinfo_era=no]) + ]) + if test $gl_cv_header_langinfo_era = yes; then + HAVE_LANGINFO_ERA=1 + fi + AC_CACHE_CHECK([whether langinfo.h defines YESEXPR], + [gl_cv_header_langinfo_yesexpr], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <langinfo.h> +int a = YESEXPR; +]])], + [gl_cv_header_langinfo_yesexpr=yes], + [gl_cv_header_langinfo_yesexpr=no]) + ]) + if test $gl_cv_header_langinfo_yesexpr = yes; then + HAVE_LANGINFO_YESEXPR=1 + fi + else + HAVE_LANGINFO_H=0 + fi + AC_SUBST([HAVE_LANGINFO_H]) + AC_SUBST([HAVE_LANGINFO_CODESET]) + AC_SUBST([HAVE_LANGINFO_T_FMT_AMPM]) + AC_SUBST([HAVE_LANGINFO_ERA]) + AC_SUBST([HAVE_LANGINFO_YESEXPR]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <langinfo.h> + ]], [nl_langinfo]) +]) + +AC_DEFUN([gl_LANGINFO_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_LANGINFO_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_LANGINFO_H_DEFAULTS], +[ + GNULIB_NL_LANGINFO=0; AC_SUBST([GNULIB_NL_LANGINFO]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_NL_LANGINFO=1; AC_SUBST([HAVE_NL_LANGINFO]) + REPLACE_NL_LANGINFO=0; AC_SUBST([REPLACE_NL_LANGINFO]) +]) diff --git a/m4/largefile.m4 b/m4/largefile.m4 new file mode 100644 index 00000000..a159f4ab --- /dev/null +++ b/m4/largefile.m4 @@ -0,0 +1,149 @@ +# Enable large files on systems where this is not the default. + +# Copyright 1992-1996, 1998-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# The following implementation works around a problem in autoconf <= 2.68; +# AC_SYS_LARGEFILE does not configure for large inodes on Mac OS X 10.5. +m4_version_prereq([2.69], [] ,[ + +# _AC_SYS_LARGEFILE_TEST_INCLUDES +# ------------------------------- +m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES], +[@%:@include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +@%:@define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]];[]dnl +]) + + +# _AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, +# CACHE-VAR, +# DESCRIPTION, +# PROLOGUE, [FUNCTION-BODY]) +# -------------------------------------------------------- +m4_define([_AC_SYS_LARGEFILE_MACRO_VALUE], +[AC_CACHE_CHECK([for $1 value needed for large files], [$3], +[while :; do + m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])( + [AC_LANG_PROGRAM([$5], [$6])], + [$3=no; break]) + m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])( + [AC_LANG_PROGRAM([@%:@define $1 $2 +$5], [$6])], + [$3=$2; break]) + $3=unknown + break +done]) +case $$3 in #( + no | unknown) ;; + *) AC_DEFINE_UNQUOTED([$1], [$$3], [$4]);; +esac +rm -rf conftest*[]dnl +])# _AC_SYS_LARGEFILE_MACRO_VALUE + + +# AC_SYS_LARGEFILE +# ---------------- +# By default, many hosts won't let programs access large files; +# one must use special compiler options to get large-file access to work. +# For more details about this brain damage please see: +# http://www.unix-systems.org/version2/whatsnew/lfs20mar.html +AC_DEFUN([AC_SYS_LARGEFILE], +[AC_ARG_ENABLE(largefile, + [ --disable-largefile omit support for large files]) +if test "$enable_largefile" != no; then + + AC_CACHE_CHECK([for special C compiler options needed for large files], + ac_cv_sys_largefile_CC, + [ac_cv_sys_largefile_CC=no + if test "$GCC" != yes; then + ac_save_CC=$CC + while :; do + # IRIX 6.2 and later do not support large files by default, + # so use the C compiler's -n32 option if that helps. + AC_LANG_CONFTEST([AC_LANG_PROGRAM([_AC_SYS_LARGEFILE_TEST_INCLUDES])]) + AC_COMPILE_IFELSE([], [break]) + CC="$CC -n32" + AC_COMPILE_IFELSE([], [ac_cv_sys_largefile_CC=' -n32'; break]) + break + done + CC=$ac_save_CC + rm -f conftest.$ac_ext + fi]) + if test "$ac_cv_sys_largefile_CC" != no; then + CC=$CC$ac_cv_sys_largefile_CC + fi + + _AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64, + ac_cv_sys_file_offset_bits, + [Number of bits in a file offset, on hosts where this is settable.], + [_AC_SYS_LARGEFILE_TEST_INCLUDES]) + if test $ac_cv_sys_file_offset_bits = unknown; then + _AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, + ac_cv_sys_large_files, + [Define for large files, on AIX-style hosts.], + [_AC_SYS_LARGEFILE_TEST_INCLUDES]) + fi + + AH_VERBATIM([_DARWIN_USE_64_BIT_INODE], +[/* Enable large inode numbers on Mac OS X. */ +#ifndef _DARWIN_USE_64_BIT_INODE +# define _DARWIN_USE_64_BIT_INODE 1 +#endif]) +fi +])# AC_SYS_LARGEFILE + +])# m4_version_prereq 2.69 + +# Enable large files on systems where this is implemented by Gnulib, not by the +# system headers. +# Set the variables WINDOWS_64_BIT_OFF_T, WINDOWS_64_BIT_ST_SIZE if Gnulib +# overrides ensure that off_t or 'struct size.st_size' are 64-bit, respectively. +AC_DEFUN([gl_LARGEFILE], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + mingw*) + dnl Native Windows. + dnl mingw64 defines off_t to a 64-bit type already, if + dnl _FILE_OFFSET_BITS=64, which is ensured by AC_SYS_LARGEFILE. + AC_CACHE_CHECK([for 64-bit off_t], [gl_cv_type_off_t_64], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + int verify_off_t_size[sizeof (off_t) >= 8 ? 1 : -1]; + ]], + [[]])], + [gl_cv_type_off_t_64=yes], [gl_cv_type_off_t_64=no]) + ]) + if test $gl_cv_type_off_t_64 = no; then + WINDOWS_64_BIT_OFF_T=1 + else + WINDOWS_64_BIT_OFF_T=0 + fi + dnl But all native Windows platforms (including mingw64) have a 32-bit + dnl st_size member in 'struct stat'. + WINDOWS_64_BIT_ST_SIZE=1 + ;; + *) + dnl Nothing to do on gnulib's side. + dnl A 64-bit off_t is + dnl - already the default on MacOS X, FreeBSD, NetBSD, OpenBSD, IRIX, + dnl OSF/1, Cygwin, + dnl - enabled by _FILE_OFFSET_BITS=64 (ensured by AC_SYS_LARGEFILE) on + dnl glibc, HP-UX, Solaris, + dnl - enabled by _LARGE_FILES=1 (ensured by AC_SYS_LARGEFILE) on AIX, + dnl - impossible to achieve on Minix 3.1.8. + WINDOWS_64_BIT_OFF_T=0 + WINDOWS_64_BIT_ST_SIZE=0 + ;; + esac +]) diff --git a/m4/lchmod.m4 b/m4/lchmod.m4 new file mode 100644 index 00000000..7f76c56e --- /dev/null +++ b/m4/lchmod.m4 @@ -0,0 +1,22 @@ +#serial 3 + +dnl Copyright (C) 2005-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. +dnl Provide a replacement for lchmod on hosts that lack it. + +AC_DEFUN([gl_FUNC_LCHMOD], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + + dnl Persuade glibc <sys/stat.h> to declare lchmod(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS_ONCE([lchmod]) + if test $ac_cv_func_lchmod = no; then + HAVE_LCHMOD=0 + fi +]) diff --git a/m4/lchown.m4 b/m4/lchown.m4 new file mode 100644 index 00000000..4a247f41 --- /dev/null +++ b/m4/lchown.m4 @@ -0,0 +1,38 @@ +# serial 17 +# Determine whether we need the lchown wrapper. + +dnl Copyright (C) 1998, 2001, 2003-2007, 2009-2012 Free Software Foundation, +dnl Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. +dnl Provide lchown on systems that lack it, and work around bugs +dnl on systems that have it. + +AC_DEFUN([gl_FUNC_LCHOWN], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_CHOWN]) + AC_CHECK_FUNCS_ONCE([lchmod]) + AC_CHECK_FUNCS([lchown]) + if test $ac_cv_func_lchown = no; then + HAVE_LCHOWN=0 + else + dnl Trailing slash and ctime bugs in chown also occur in lchown. + case "$gl_cv_func_chown_slash_works" in + *yes) ;; + *) + REPLACE_LCHOWN=1 + ;; + esac + case "$gl_cv_func_chown_ctime_works" in + *yes) ;; + *) + REPLACE_LCHOWN=1 + ;; + esac + fi +]) diff --git a/m4/lcmessage.m4 b/m4/lcmessage.m4 new file mode 100644 index 00000000..4ed0eb6e --- /dev/null +++ b/m4/lcmessage.m4 @@ -0,0 +1,35 @@ +# lcmessage.m4 serial 7 (gettext-0.18.2) +dnl Copyright (C) 1995-2002, 2004-2005, 2008-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper <drepper@cygnus.com>, 1995. + +# Check whether LC_MESSAGES is available in <locale.h>. + +AC_DEFUN([gt_LC_MESSAGES], +[ + AC_CACHE_CHECK([for LC_MESSAGES], [gt_cv_val_LC_MESSAGES], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <locale.h>]], + [[return LC_MESSAGES]])], + [gt_cv_val_LC_MESSAGES=yes], + [gt_cv_val_LC_MESSAGES=no])]) + if test $gt_cv_val_LC_MESSAGES = yes; then + AC_DEFINE([HAVE_LC_MESSAGES], [1], + [Define if your <locale.h> file defines LC_MESSAGES.]) + fi +]) diff --git a/m4/ldexp.m4 b/m4/ldexp.m4 new file mode 100644 index 00000000..6d26b564 --- /dev/null +++ b/m4/ldexp.m4 @@ -0,0 +1,54 @@ +# ldexp.m4 serial 1 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LDEXP], +[ + AC_REQUIRE([gl_CHECK_LDEXP_NO_LIBM]) + LDEXP_LIBM= + if test $gl_cv_func_ldexp_no_libm = no; then + AC_CACHE_CHECK([whether ldexp() can be used with libm], + [gl_cv_func_ldexp_in_libm], + [ + save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[#ifndef __NO_MATH_INLINES + # define __NO_MATH_INLINES 1 /* for glibc */ + #endif + #include <math.h> + double (*funcptr) (double, int) = ldexp; + double x;]], + [[return ldexp (x, -1) > 0;]])], + [gl_cv_func_ldexp_in_libm=yes], + [gl_cv_func_ldexp_in_libm=no]) + LIBS="$save_LIBS" + ]) + if test $gl_cv_func_ldexp_in_libm = yes; then + LDEXP_LIBM=-lm + fi + fi + AC_SUBST([LDEXP_LIBM]) +]) + +dnl Test whether ldexp() can be used without linking with libm. +dnl Set gl_cv_func_ldexp_no_libm to 'yes' or 'no' accordingly. +AC_DEFUN([gl_CHECK_LDEXP_NO_LIBM], +[ + AC_CACHE_CHECK([whether ldexp() can be used without linking with libm], + [gl_cv_func_ldexp_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[#ifndef __NO_MATH_INLINES + # define __NO_MATH_INLINES 1 /* for glibc */ + #endif + #include <math.h> + double (*funcptr) (double, int) = ldexp; + double x;]], + [[return ldexp (x, -1) > 0;]])], + [gl_cv_func_ldexp_no_libm=yes], + [gl_cv_func_ldexp_no_libm=no]) + ]) +]) diff --git a/m4/ldexpl.m4 b/m4/ldexpl.m4 new file mode 100644 index 00000000..11f20ca2 --- /dev/null +++ b/m4/ldexpl.m4 @@ -0,0 +1,133 @@ +# ldexpl.m4 serial 15 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LDEXPL], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) + AC_REQUIRE([gl_FUNC_ISNANL]) dnl for ISNANL_LIBM + + dnl Persuade glibc <math.h> to declare ldexpl(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl Check whether it's declared. + dnl MacOS X 10.3 has ldexpl() in libc but doesn't declare it in <math.h>. + AC_CHECK_DECL([ldexpl], , [HAVE_DECL_LDEXPL=0], [[#include <math.h>]]) + + LDEXPL_LIBM= + if test $HAVE_DECL_LDEXPL = 1; then + gl_CHECK_LDEXPL_NO_LIBM + if test $gl_cv_func_ldexpl_no_libm = no; then + AC_CACHE_CHECK([whether ldexpl() can be used with libm], + [gl_cv_func_ldexpl_in_libm], + [ + save_LIBS="$LIBS" + LIBS="$LIBS -lm" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + long double x;]], + [[return ldexpl (x, -1) > 0;]])], + [gl_cv_func_ldexpl_in_libm=yes], + [gl_cv_func_ldexpl_in_libm=no]) + LIBS="$save_LIBS" + ]) + if test $gl_cv_func_ldexpl_in_libm = yes; then + LDEXPL_LIBM=-lm + fi + fi + if test $gl_cv_func_ldexpl_no_libm = yes \ + || test $gl_cv_func_ldexpl_in_libm = yes; then + save_LIBS="$LIBS" + LIBS="$LIBS $LDEXPL_LIBM" + gl_FUNC_LDEXPL_WORKS + LIBS="$save_LIBS" + case "$gl_cv_func_ldexpl_works" in + *yes) gl_func_ldexpl=yes ;; + *) gl_func_ldexpl=no; REPLACE_LDEXPL=1 ;; + esac + else + gl_func_ldexpl=no + fi + if test $gl_func_ldexpl = yes; then + AC_DEFINE([HAVE_LDEXPL], [1], + [Define if the ldexpl() function is available.]) + fi + fi + if test $HAVE_DECL_LDEXPL = 0 || test $gl_func_ldexpl = no; then + dnl Find libraries needed to link lib/ldexpl.c. + if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1; then + AC_REQUIRE([gl_FUNC_LDEXP]) + LDEXPL_LIBM="$LDEXP_LIBM" + else + LDEXPL_LIBM="$ISNANL_LIBM" + fi + fi + AC_SUBST([LDEXPL_LIBM]) +]) + +dnl Test whether ldexpl() can be used without linking with libm. +dnl Set gl_cv_func_ldexpl_no_libm to 'yes' or 'no' accordingly. +AC_DEFUN([gl_CHECK_LDEXPL_NO_LIBM], +[ + AC_CACHE_CHECK([whether ldexpl() can be used without linking with libm], + [gl_cv_func_ldexpl_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + long double x;]], + [[return ldexpl (x, -1) > 0;]])], + [gl_cv_func_ldexpl_no_libm=yes], + [gl_cv_func_ldexpl_no_libm=no]) + ]) +]) + +dnl Test whether ldexpl() works on finite numbers (this fails on AIX 5.1 +dnl and MacOS X 10.4/PowerPC). +AC_DEFUN([gl_FUNC_LDEXPL_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether ldexpl works], [gl_cv_func_ldexpl_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <math.h> +extern +#ifdef __cplusplus +"C" +#endif +long double ldexpl (long double, int); +int main() +{ + int result = 0; + { + volatile long double x = 1.0; + volatile long double y = ldexpl (x, -1); + if (y != 0.5L) + result |= 1; + } + { + volatile long double x = 1.73205L; + volatile long double y = ldexpl (x, 0); + if (y != x) + result |= 2; + } + return result; +}]])], + [gl_cv_func_ldexpl_works=yes], + [gl_cv_func_ldexpl_works=no], + [ +changequote(,)dnl + case "$host_os" in + aix | aix[3-6]*) gl_cv_func_ldexpl_works="guessing no";; + *) gl_cv_func_ldexpl_works="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) diff --git a/m4/lib-check.m4 b/m4/lib-check.m4 new file mode 100644 index 00000000..a33c6231 --- /dev/null +++ b/m4/lib-check.m4 @@ -0,0 +1,60 @@ +#serial 11 + +dnl Misc lib-related macros for coreutils. + +# Copyright (C) 1993-2012 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Written by Jim Meyering. + +AC_DEFUN([cu_LIB_CHECK], +[ + + # Check for libypsec.a on Dolphin M88K machines. + AC_CHECK_LIB([ypsec], [main]) + + # m88k running dgux 5.4 needs this + AC_CHECK_LIB([ldgc], [main]) + + # The -lsun library is required for YP support on Irix-4.0.5 systems. + # m88k/svr3 DolphinOS systems using YP need -lypsec for id. + AC_SEARCH_LIBS([yp_match], [sun ypsec]) + + # SysV needs -lsec, older versions of Linux need -lshadow for + # shadow passwords. UnixWare 7 needs -lgen. + AC_SEARCH_LIBS([getspnam], [shadow sec gen]) + + AC_CHECK_HEADERS([shadow.h]) + + # Requirements for su.c. + shadow_includes="\ +$ac_includes_default +#if HAVE_SHADOW_H +# include <shadow.h> +#endif +" + AC_CHECK_MEMBERS([struct spwd.sp_pwdp],,,[$shadow_includes]) + AC_CHECK_FUNCS([getspnam]) + + # SCO-ODT-3.0 is reported to need -lufc for crypt. + # NetBSD needs -lcrypt for crypt. + LIB_CRYPT= + cu_saved_libs="$LIBS" + AC_SEARCH_LIBS([crypt], [ufc crypt], + [test "$ac_cv_search_crypt" = "none required" || + LIB_CRYPT="$ac_cv_search_crypt"]) + LIBS="$cu_saved_libs" + AC_SUBST([LIB_CRYPT]) +]) diff --git a/m4/lib-ignore.m4 b/m4/lib-ignore.m4 new file mode 100644 index 00000000..292c4691 --- /dev/null +++ b/m4/lib-ignore.m4 @@ -0,0 +1,115 @@ +# If possible, ignore libraries that are not depended on. + +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +# gl_IGNORE_UNUSED_LIBRARIES +# -------------------------- +# Determines the option to be passed to the C/C++/Fortran compiler, so that it +# omits unused libraries. +# Example (on Solaris): +# $ cc foo.c -lnsl; ldd ./a.out +# libnsl.so.1 => /lib/libnsl.so.1 +# libc.so.1 => /lib/libc.so.1 +# libmp.so.2 => /lib/libmp.so.2 +# libmd.so.1 => /lib/libmd.so.1 +# libscf.so.1 => /lib/libscf.so.1 +# libdoor.so.1 => /lib/libdoor.so.1 +# libuutil.so.1 => /lib/libuutil.so.1 +# libgen.so.1 => /lib/libgen.so.1 +# libm.so.2 => /lib/libm.so.2 +# $ cc foo.c -lnsl -Wl,-z,ignore; ldd ./a.out +# libc.so.1 => /lib/libc.so.1 +# libm.so.2 => /lib/libm.so.2 +# +# Note that the option works only for the C compiler, not for the C++ +# compiler: +# - Sun C likes '-Wl,-z,ignore'. +# '-Qoption ld -z,ignore' is not accepted. +# '-z ignore' is accepted but has no effect. +# - Sun C++ and Sun Fortran like '-Qoption ld -z,ignore'. +# '-Wl,-z,ignore' is not accepted. +# '-z ignore' is accepted but has no effect. +# +# Sets and substitutes a variable that depends on the current language: +# - IGNORE_UNUSED_LIBRARIES_CFLAGS for C +# - IGNORE_UNUSED_LIBRARIES_CXXFLAGS for C++ +# - IGNORE_UNUSED_LIBRARIES_FFLAGS for Fortran +# +# Note that the option works only for direct invocation of the compiler, not +# through libtool: When libtool is used to create a shared library, it will +# honor and translate '-Wl,-z,ignore' to '-Qoption ld -z -Qoption ld ignore' +# if needed, but it will drop a '-Qoption ld -z,ignore' on the command line. +# +AC_DEFUN([gl_IGNORE_UNUSED_LIBRARIES], +[ + AC_CACHE_CHECK([for []_AC_LANG[] compiler flag to ignore unused libraries], + [gl_cv_prog_[]_AC_LANG_ABBREV[]_ignore_unused_libraries], + [gl_cv_prog_[]_AC_LANG_ABBREV[]_ignore_unused_libraries=none + gl_saved_ldflags=$LDFLAGS + gl_saved_libs=$LIBS + # Link with -lm to detect binutils 2.16 bug with --as-needed; see + # <http://lists.gnu.org/archive/html/bug-gnulib/2006-06/msg00131.html>. + LIBS="$LIBS -lm" + # Use long option sequences like '-z ignore' to test for the feature, + # to forestall problems with linkers that have -z, -i, -g, -n, etc. flags. + # GCC + binutils likes '-Wl,--as-needed'. + # GCC + Solaris ld likes '-Wl,-z,ignore'. + # Sun C likes '-Wl,-z,ignore'. '-z ignore' is accepted but has no effect. + # Don't try bare '--as-needed'; nothing likes it and the HP-UX 11.11 + # native cc issues annoying warnings and then ignores it, + # which would cause us to incorrectly conclude that it worked. + for gl_flags in _gl_IGNORE_UNUSED_LIBRARIES_OPTIONS + do + LDFLAGS="$gl_flags $LDFLAGS" + AC_LINK_IFELSE([AC_LANG_PROGRAM()], + [gl_cv_prog_[]_AC_LANG_ABBREV[]_ignore_unused_libraries=$gl_flags]) + LDFLAGS=$gl_saved_ldflags + test "$gl_cv_prog_[]_AC_LANG_ABBREV[]_ignore_unused_libraries" != none && + break + done + LIBS=$gl_saved_libs + ]) + IGNORE_UNUSED_LIBRARIES_[]_AC_LANG_PREFIX[]FLAGS= + if test "$gl_cv_prog_[]_AC_LANG_ABBREV[]_ignore_unused_libraries" != none; then + IGNORE_UNUSED_LIBRARIES_[]_AC_LANG_PREFIX[]FLAGS="$gl_cv_prog_[]_AC_LANG_ABBREV[]_ignore_unused_libraries" + fi + AC_SUBST([IGNORE_UNUSED_LIBRARIES_]_AC_LANG_PREFIX[FLAGS]) +]) + +# _gl_IGNORE_UNUSED_LIBRARIES_OPTIONS +# ----------------------------------- +# Expands to the language dependent options to be tried. +AC_DEFUN([_gl_IGNORE_UNUSED_LIBRARIES_OPTIONS], +[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)]) + +# _gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(C) +# -------------------------------------- +m4_define([_gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(C)], +[ '-Wl,--as-needed' \ + '-Wl,-z,ignore' \ + '-z ignore' +]) + +# _gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(C++) +# ---------------------------------------- +m4_define([_gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(C++)], +[ '-Wl,--as-needed' \ + '-Qoption ld -z,ignore' \ + '-Wl,-z,ignore' \ + '-z ignore' +]) + +# _gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(Fortran 77) +# ----------------------------------------------- +m4_copy([_gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(C++)], + [_gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(Fortran 77)]) + +# _gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(Fortran) +# -------------------------------------------- +m4_copy([_gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(Fortran 77)], + [_gl_IGNORE_UNUSED_LIBRARIES_OPTIONS(Fortran)]) diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4 new file mode 100644 index 00000000..4e1374d9 --- /dev/null +++ b/m4/lib-ld.m4 @@ -0,0 +1,109 @@ +# lib-ld.m4 serial 5 (gettext-0.18.2) +dnl Copyright (C) 1996-2003, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Subroutines of libtool.m4, +dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision +dnl with libtool.m4. + +dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no. +AC_DEFUN([AC_LIB_PROG_LD_GNU], +[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld], +[# I'd rather use --version here, but apparently some GNU ld's only accept -v. +case `$LD -v 2>&1 </dev/null` in +*GNU* | *'with BFD'*) + acl_cv_prog_gnu_ld=yes ;; +*) + acl_cv_prog_gnu_ld=no ;; +esac]) +with_gnu_ld=$acl_cv_prog_gnu_ld +]) + +dnl From libtool-1.4. Sets the variable LD. +AC_DEFUN([AC_LIB_PROG_LD], +[AC_ARG_WITH([gnu-ld], +[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], +test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which + # contains only /bin. Note that ksh looks also at the FPATH variable, + # so we have to set that as well for the test. + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by GCC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]* | [A-Za-z]:[\\/]*)] + [re_direlt='/[^/][^/]*/\.\./'] + # Canonicalize the path of ld + ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` + while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do + ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL([acl_cv_path_LD], +[if test -z "$LD"; then + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" + for ac_dir in $PATH; do + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + acl_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some GNU ld's only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in + *GNU* | *'with BFD'*) + test "$with_gnu_ld" != no && break ;; + *) + test "$with_gnu_ld" != yes && break ;; + esac + fi + done + IFS="$ac_save_ifs" +else + acl_cv_path_LD="$LD" # Let the user override the test with a path. +fi]) +LD="$acl_cv_path_LD" +if test -n "$LD"; then + AC_MSG_RESULT([$LD]) +else + AC_MSG_RESULT([no]) +fi +test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) +AC_LIB_PROG_LD_GNU +]) diff --git a/m4/lib-link.m4 b/m4/lib-link.m4 new file mode 100644 index 00000000..d11b4b43 --- /dev/null +++ b/m4/lib-link.m4 @@ -0,0 +1,777 @@ +# lib-link.m4 serial 26 (gettext-0.18.2) +dnl Copyright (C) 2001-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_PREREQ([2.54]) + +dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and +dnl the libraries corresponding to explicit and implicit dependencies. +dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and +dnl augments the CPPFLAGS variable. +dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname +dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_LINKFLAGS], +[ + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + pushdef([Name],[m4_translit([$1],[./+-], [____])]) + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [ + AC_LIB_LINKFLAGS_BODY([$1], [$2]) + ac_cv_lib[]Name[]_libs="$LIB[]NAME" + ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME" + ac_cv_lib[]Name[]_cppflags="$INC[]NAME" + ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX" + ]) + LIB[]NAME="$ac_cv_lib[]Name[]_libs" + LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs" + INC[]NAME="$ac_cv_lib[]Name[]_cppflags" + LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) + AC_SUBST([LIB]NAME) + AC_SUBST([LTLIB]NAME) + AC_SUBST([LIB]NAME[_PREFIX]) + dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the + dnl results of this search when this library appears as a dependency. + HAVE_LIB[]NAME=yes + popdef([NAME]) + popdef([Name]) +]) + +dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message]) +dnl searches for libname and the libraries corresponding to explicit and +dnl implicit dependencies, together with the specified include files and +dnl the ability to compile and link the specified testcode. The missing-message +dnl defaults to 'no' and may contain additional hints for the user. +dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} +dnl and LTLIB${NAME} variables and augments the CPPFLAGS variable, and +dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs +dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty. +dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname +dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_HAVE_LINKFLAGS], +[ + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + pushdef([Name],[m4_translit([$1],[./+-], [____])]) + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + + dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME + dnl accordingly. + AC_LIB_LINKFLAGS_BODY([$1], [$2]) + + dnl Add $INC[]NAME to CPPFLAGS before performing the following checks, + dnl because if the user has installed lib[]Name and not disabled its use + dnl via --without-lib[]Name-prefix, he wants to use it. + ac_save_CPPFLAGS="$CPPFLAGS" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) + + AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [ + ac_save_LIBS="$LIBS" + dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS, + dnl because these -l options might require -L options that are present in + dnl LIBS. -l options benefit only from the -L options listed before it. + dnl Otherwise, add it to the front of LIBS, because it may be a static + dnl library that depends on another static library that is present in LIBS. + dnl Static libraries benefit only from the static libraries listed after + dnl it. + case " $LIB[]NAME" in + *" -l"*) LIBS="$LIBS $LIB[]NAME" ;; + *) LIBS="$LIB[]NAME $LIBS" ;; + esac + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[$3]], [[$4]])], + [ac_cv_lib[]Name=yes], + [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])']) + LIBS="$ac_save_LIBS" + ]) + if test "$ac_cv_lib[]Name" = yes; then + HAVE_LIB[]NAME=yes + AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib][$1 library.]) + AC_MSG_CHECKING([how to link with lib[]$1]) + AC_MSG_RESULT([$LIB[]NAME]) + else + HAVE_LIB[]NAME=no + dnl If $LIB[]NAME didn't lead to a usable library, we don't need + dnl $INC[]NAME either. + CPPFLAGS="$ac_save_CPPFLAGS" + LIB[]NAME= + LTLIB[]NAME= + LIB[]NAME[]_PREFIX= + fi + AC_SUBST([HAVE_LIB]NAME) + AC_SUBST([LIB]NAME) + AC_SUBST([LTLIB]NAME) + AC_SUBST([LIB]NAME[_PREFIX]) + popdef([NAME]) + popdef([Name]) +]) + +dnl Determine the platform dependent parameters needed to use rpath: +dnl acl_libext, +dnl acl_shlibext, +dnl acl_libname_spec, +dnl acl_library_names_spec, +dnl acl_hardcode_libdir_flag_spec, +dnl acl_hardcode_libdir_separator, +dnl acl_hardcode_direct, +dnl acl_hardcode_minus_L. +AC_DEFUN([AC_LIB_RPATH], +[ + dnl Tell automake >= 1.10 to complain if config.rpath is missing. + m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])]) + AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS + AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld + AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host + AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir + AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [ + CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ + ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh + . ./conftest.sh + rm -f ./conftest.sh + acl_cv_rpath=done + ]) + wl="$acl_cv_wl" + acl_libext="$acl_cv_libext" + acl_shlibext="$acl_cv_shlibext" + acl_libname_spec="$acl_cv_libname_spec" + acl_library_names_spec="$acl_cv_library_names_spec" + acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" + acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" + acl_hardcode_direct="$acl_cv_hardcode_direct" + acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" + dnl Determine whether the user wants rpath handling at all. + AC_ARG_ENABLE([rpath], + [ --disable-rpath do not hardcode runtime library paths], + :, enable_rpath=yes) +]) + +dnl AC_LIB_FROMPACKAGE(name, package) +dnl declares that libname comes from the given package. The configure file +dnl will then not have a --with-libname-prefix option but a +dnl --with-package-prefix option. Several libraries can come from the same +dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar +dnl macro call that searches for libname. +AC_DEFUN([AC_LIB_FROMPACKAGE], +[ + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + define([acl_frompackage_]NAME, [$2]) + popdef([NAME]) + pushdef([PACK],[$2]) + pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + define([acl_libsinpackage_]PACKUP, + m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1]) + popdef([PACKUP]) + popdef([PACK]) +]) + +dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and +dnl the libraries corresponding to explicit and implicit dependencies. +dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. +dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found +dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_LINKFLAGS_BODY], +[ + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])]) + pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])]) + dnl Autoconf >= 2.61 supports dots in --with options. + pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[m4_translit(PACK,[.],[_])],PACK)]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_ARG_WITH(P_A_C_K[-prefix], +[[ --with-]]P_A_C_K[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib + --without-]]P_A_C_K[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + if test "$acl_libdirstem2" != "$acl_libdirstem" \ + && ! test -d "$withval/$acl_libdirstem"; then + additional_libdir="$withval/$acl_libdirstem2" + fi + fi + fi +]) + dnl Search the library and its dependencies in $additional_libdir and + dnl $LDFLAGS. Using breadth-first-seach. + LIB[]NAME= + LTLIB[]NAME= + INC[]NAME= + LIB[]NAME[]_PREFIX= + dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been + dnl computed. So it has to be reset here. + HAVE_LIB[]NAME= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='$1 $2' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + dnl See if it was already located by an earlier AC_LIB_LINKFLAGS + dnl or AC_LIB_HAVE_LINKFLAGS call. + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" + else + dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined + dnl that this library doesn't exist. So just drop it. + : + fi + else + dnl Search the library lib$name in $additional_libdir and $LDFLAGS + dnl and the already constructed $LIBNAME/$LTLIBNAME. + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + dnl The same code as in the loop below: + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + dnl Found the library. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + dnl Linking with a shared library. We attempt to hardcode its + dnl directory into the executable's runpath, unless it's the + dnl standard /usr/lib. + if test "$enable_rpath" = no \ + || test "X$found_dir" = "X/usr/$acl_libdirstem" \ + || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then + dnl No hardcoding is needed. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + dnl The hardcoding into $LIBNAME is system dependent. + if test "$acl_hardcode_direct" = yes; then + dnl Using DIR/libNAME.so during linking hardcodes DIR into the + dnl resulting binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + dnl Rely on "-L$found_dir". + dnl But don't add it if it's already contained in the LDFLAGS + dnl or the already constructed $LIBNAME + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH + dnl here, because this doesn't fit in flags passed to the + dnl compiler. So give up. No hardcoding. This affects only + dnl very old systems. + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + dnl Linking with a static library. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" + else + dnl We shouldn't come here, but anyway it's good to have a + dnl fallback. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" + fi + fi + dnl Assume the include files are nearby. + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + if test "$name" = '$1'; then + LIB[]NAME[]_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + */$acl_libdirstem2 | */$acl_libdirstem2/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` + if test "$name" = '$1'; then + LIB[]NAME[]_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + dnl Potentially add $additional_includedir to $INCNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's /usr/local/include and we are using GCC on Linux, + dnl 3. if it's already present in $CPPFLAGS or the already + dnl constructed $INCNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INC[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $INCNAME. + INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + dnl Look for dependencies. + if test -n "$found_la"; then + dnl Read the .la file. It defines the variables + dnl dlname, library_names, old_library, dependency_libs, current, + dnl age, revision, installed, dlopen, dlpreopen, libdir. + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + dnl We use only dependency_libs. + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's /usr/local/lib and we are using GCC on Linux, + dnl 3. if it's already present in $LDFLAGS or the already + dnl constructed $LIBNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ + && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ + || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LIBNAME. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LTLIBNAME. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + dnl Handle this in the next round. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + dnl Handle this in the next round. Throw away the .la's + dnl directory; it is already contained in a preceding -L + dnl option. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + dnl Most likely an immediate library name. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" + ;; + esac + done + fi + else + dnl Didn't find the library; assume it is in the system directories + dnl known to the linker and runtime loader. (All the system + dnl directories known to the linker should also be known to the + dnl runtime loader, otherwise the system is severely misconfigured.) + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user must + dnl pass all path elements in one option. We can arrange that for a + dnl single library, but not when more than one $LIBNAMEs are used. + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + else + dnl The -rpath options are cumulative. + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + dnl When using libtool, the option that works for both libraries and + dnl executables is -R. The -R options are cumulative. + for found_dir in $ltrpathdirs; do + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" + done + fi + popdef([P_A_C_K]) + popdef([PACKLIBS]) + popdef([PACKUP]) + popdef([PACK]) + popdef([NAME]) +]) + +dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, +dnl unless already present in VAR. +dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes +dnl contains two or three consecutive elements that belong together. +AC_DEFUN([AC_LIB_APPENDTOVAR], +[ + for element in [$2]; do + haveit= + for x in $[$1]; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + [$1]="${[$1]}${[$1]:+ }$element" + fi + done +]) + +dnl For those cases where a variable contains several -L and -l options +dnl referring to unknown libraries and directories, this macro determines the +dnl necessary additional linker options for the runtime path. +dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) +dnl sets LDADDVAR to linker options needed together with LIBSVALUE. +dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, +dnl otherwise linking without libtool is assumed. +AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], +[ + AC_REQUIRE([AC_LIB_RPATH]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + $1= + if test "$enable_rpath" != no; then + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode directories into the resulting + dnl binary. + rpathdirs= + next= + for opt in $2; do + if test -n "$next"; then + dir="$next" + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem" \ + && test "X$dir" != "X/usr/$acl_libdirstem2"; then + rpathdirs="$rpathdirs $dir" + fi + next= + else + case $opt in + -L) next=yes ;; + -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem" \ + && test "X$dir" != "X/usr/$acl_libdirstem2"; then + rpathdirs="$rpathdirs $dir" + fi + next= ;; + *) next= ;; + esac + fi + done + if test "X$rpathdirs" != "X"; then + if test -n ""$3""; then + dnl libtool is used for linking. Use -R options. + for dir in $rpathdirs; do + $1="${$1}${$1:+ }-R$dir" + done + else + dnl The linker is used for linking directly. + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user + dnl must pass all path elements in one option. + alldirs= + for dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="$flag" + else + dnl The -rpath options are cumulative. + for dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="${$1}${$1:+ }$flag" + done + fi + fi + fi + fi + fi + AC_SUBST([$1]) +]) diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 new file mode 100644 index 00000000..007aa053 --- /dev/null +++ b/m4/lib-prefix.m4 @@ -0,0 +1,224 @@ +# lib-prefix.m4 serial 7 (gettext-0.18) +dnl Copyright (C) 2001-2005, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and +dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't +dnl require excessive bracketing. +ifdef([AC_HELP_STRING], +[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], +[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) + +dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed +dnl to access previously installed libraries. The basic assumption is that +dnl a user will want packages to use other packages he previously installed +dnl with the same --prefix option. +dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate +dnl libraries, but is otherwise very convenient. +AC_DEFUN([AC_LIB_PREFIX], +[ + AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_LIB_ARG_WITH([lib-prefix], +[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib + --without-lib-prefix don't search for libraries in includedir and libdir], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + fi + fi +]) + if test $use_additional = yes; then + dnl Potentially add $additional_includedir to $CPPFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's already present in $CPPFLAGS, + dnl 3. if it's /usr/local/include and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + for x in $CPPFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $CPPFLAGS. + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" + fi + fi + fi + fi + dnl Potentially add $additional_libdir to $LDFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's already present in $LDFLAGS, + dnl 3. if it's /usr/local/lib and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then + haveit= + for x in $LDFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then + if test -n "$GCC"; then + case $host_os in + linux*) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LDFLAGS. + LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" + fi + fi + fi + fi + fi +]) + +dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, +dnl acl_final_exec_prefix, containing the values to which $prefix and +dnl $exec_prefix will expand at the end of the configure script. +AC_DEFUN([AC_LIB_PREPARE_PREFIX], +[ + dnl Unfortunately, prefix and exec_prefix get only finally determined + dnl at the end of configure. + if test "X$prefix" = "XNONE"; then + acl_final_prefix="$ac_default_prefix" + else + acl_final_prefix="$prefix" + fi + if test "X$exec_prefix" = "XNONE"; then + acl_final_exec_prefix='${prefix}' + else + acl_final_exec_prefix="$exec_prefix" + fi + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the +dnl variables prefix and exec_prefix bound to the values they will have +dnl at the end of the configure script. +AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], +[ + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + $1 + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_PREPARE_MULTILIB creates +dnl - a variable acl_libdirstem, containing the basename of the libdir, either +dnl "lib" or "lib64" or "lib/64", +dnl - a variable acl_libdirstem2, as a secondary possible value for +dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or +dnl "lib/amd64". +AC_DEFUN([AC_LIB_PREPARE_MULTILIB], +[ + dnl There is no formal standard regarding lib and lib64. + dnl On glibc systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine + dnl the compiler's default mode by looking at the compiler's library search + dnl path. If at least one of its elements ends in /lib64 or points to a + dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. + dnl Otherwise we use the default, namely "lib". + dnl On Solaris systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or + dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. + AC_REQUIRE([AC_CANONICAL_HOST]) + acl_libdirstem=lib + acl_libdirstem2= + case "$host_os" in + solaris*) + dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment + dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>. + dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." + dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the + dnl symlink is missing, so we set acl_libdirstem2 too. + AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], + [AC_EGREP_CPP([sixtyfour bits], [ +#ifdef _LP64 +sixtyfour bits +#endif + ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no]) + ]) + if test $gl_cv_solaris_64bit = yes; then + acl_libdirstem=lib/64 + case "$host_cpu" in + sparc*) acl_libdirstem2=lib/sparcv9 ;; + i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; + esac + fi + ;; + *) + searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + */../ | */.. ) + # Better ignore directories of this form. They are misleading. + ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi + ;; + esac + test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" +]) diff --git a/m4/libunistring-base.m4 b/m4/libunistring-base.m4 new file mode 100644 index 00000000..d91c42b9 --- /dev/null +++ b/m4/libunistring-base.m4 @@ -0,0 +1,141 @@ +# libunistring-base.m4 serial 5 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paolo Bonzini and Bruno Haible. + +dnl gl_LIBUNISTRING_MODULE([VERSION], [Module]) +dnl Declares that the source files of Module should be compiled, unless we +dnl are linking with libunistring and its version is >= the given VERSION. +dnl Defines an automake conditional LIBUNISTRING_COMPILE_$MODULE that is +dnl true if the source files of Module should be compiled. +dnl This macro is to be used for public libunistring API, not for +dnl undocumented API. +dnl +dnl You have to bump the VERSION argument to the next projected version +dnl number each time you make a change that affects the behaviour of the +dnl functions defined in Module (even if the sources of Module itself do not +dnl change). + +AC_DEFUN([gl_LIBUNISTRING_MODULE], +[ + AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE]) + dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from + dnl gl_LIBUNISTRING_CORE if that macro has been run. + AM_CONDITIONAL(AS_TR_CPP([LIBUNISTRING_COMPILE_$2]), + [gl_LIBUNISTRING_VERSION_CMP([$1])]) +]) + +dnl gl_LIBUNISTRING_LIBHEADER([VERSION], [HeaderFile]) +dnl Declares that HeaderFile should be created, unless we are linking +dnl with libunistring and its version is >= the given VERSION. +dnl HeaderFile should be relative to the lib directory and end in '.h'. +dnl Prepares for substituting LIBUNISTRING_HEADERFILE (to HeaderFile or empty). +dnl +dnl When we are linking with the already installed libunistring and its version +dnl is < VERSION, we create HeaderFile here, because we may compile functions +dnl (via gl_LIBUNISTRING_MODULE above) that are not contained in the installed +dnl version. +dnl When we are linking with the already installed libunistring and its version +dnl is > VERSION, we don't create HeaderFile here: it could cause compilation +dnl errors in other libunistring header files if some types are missing. +dnl +dnl You have to bump the VERSION argument to the next projected version +dnl number each time you make a non-comment change to the HeaderFile. + +AC_DEFUN([gl_LIBUNISTRING_LIBHEADER], +[ + AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE]) + dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from + dnl gl_LIBUNISTRING_CORE if that macro has been run. + if gl_LIBUNISTRING_VERSION_CMP([$1]); then + LIBUNISTRING_[]AS_TR_CPP([$2])='$2' + else + LIBUNISTRING_[]AS_TR_CPP([$2])= + fi + AC_SUBST([LIBUNISTRING_]AS_TR_CPP([$2])) +]) + +dnl Miscellaneous preparations/initializations. + +AC_DEFUN([gl_LIBUNISTRING_LIB_PREPARE], +[ + dnl Ensure that HAVE_LIBUNISTRING is fully determined at this point. + m4_ifdef([gl_LIBUNISTRING], [AC_REQUIRE([gl_LIBUNISTRING])]) + + AC_REQUIRE([AC_PROG_AWK]) + +dnl Sed expressions to extract the parts of a version number. +changequote(,) +gl_libunistring_sed_extract_major='/^[0-9]/{s/^\([0-9]*\).*/\1/p;q;} +i\ +0 +q +' +gl_libunistring_sed_extract_minor='/^[0-9][0-9]*[.][0-9]/{s/^[0-9]*[.]\([0-9]*\).*/\1/p;q;} +i\ +0 +q +' +gl_libunistring_sed_extract_subminor='/^[0-9][0-9]*[.][0-9][0-9]*[.][0-9]/{s/^[0-9]*[.][0-9]*[.]\([0-9]*\).*/\1/p;q;} +i\ +0 +q +' +changequote([,]) + + if test "$HAVE_LIBUNISTRING" = yes; then + LIBUNISTRING_VERSION_MAJOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_major"` + LIBUNISTRING_VERSION_MINOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_minor"` + LIBUNISTRING_VERSION_SUBMINOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_subminor"` + fi +]) + +dnl gl_LIBUNISTRING_VERSION_CMP([VERSION]) +dnl Expands to a shell statement that evaluates to true if LIBUNISTRING_VERSION +dnl is less than the VERSION argument. +AC_DEFUN([gl_LIBUNISTRING_VERSION_CMP], +[ { test "$HAVE_LIBUNISTRING" != yes \ + || { + dnl AS_LITERAL_IF exists and works fine since autoconf-2.59 at least. + AS_LITERAL_IF([$1], + [dnl This is the optimized variant, that assumes the argument is a literal: + m4_pushdef([requested_version_major], + [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^\([0-9]*\).*], [\1]), [])]) + m4_pushdef([requested_version_minor], + [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9]*[.]\([0-9]*\).*], [\1]), [$1])]) + m4_pushdef([requested_version_subminor], + [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9]*[.][0-9]*[.]\([0-9]*\).*], [\1]), [$1])]) + test $LIBUNISTRING_VERSION_MAJOR -lt requested_version_major \ + || { test $LIBUNISTRING_VERSION_MAJOR -eq requested_version_major \ + && { test $LIBUNISTRING_VERSION_MINOR -lt requested_version_minor \ + || { test $LIBUNISTRING_VERSION_MINOR -eq requested_version_minor \ + && test $LIBUNISTRING_VERSION_SUBMINOR -lt requested_version_subminor + } + } + } + m4_popdef([requested_version_subminor]) + m4_popdef([requested_version_minor]) + m4_popdef([requested_version_major]) + ], + [dnl This is the unoptimized variant: + requested_version_major=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_major"` + requested_version_minor=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_minor"` + requested_version_subminor=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_subminor"` + test $LIBUNISTRING_VERSION_MAJOR -lt $requested_version_major \ + || { test $LIBUNISTRING_VERSION_MAJOR -eq $requested_version_major \ + && { test $LIBUNISTRING_VERSION_MINOR -lt $requested_version_minor \ + || { test $LIBUNISTRING_VERSION_MINOR -eq $requested_version_minor \ + && test $LIBUNISTRING_VERSION_SUBMINOR -lt $requested_version_subminor + } + } + } + ]) + } + }]) + +dnl gl_LIBUNISTRING_ARG_OR_ZERO([ARG], [ORIG]) expands to ARG if it is not the +dnl same as ORIG, otherwise to 0. +m4_define([gl_LIBUNISTRING_ARG_OR_ZERO], [m4_if([$1], [$2], [0], [$1])]) diff --git a/m4/link-follow.m4 b/m4/link-follow.m4 new file mode 100644 index 00000000..309e4274 --- /dev/null +++ b/m4/link-follow.m4 @@ -0,0 +1,108 @@ +# serial 18 +dnl Run a program to determine whether link(2) follows symlinks. +dnl Set LINK_FOLLOWS_SYMLINKS accordingly. + +# Copyright (C) 1999-2001, 2004-2006, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl This macro can be used to emulate POSIX linkat. If +dnl LINK_FOLLOWS_SYMLINKS is 0, link matches linkat(,0), and +dnl linkat(,AT_SYMLINK_FOLLOW) requires a readlink. If it is 1, +dnl link matches linkat(,AT_SYMLINK_FOLLOW), and there is no way +dnl to do linkat(,0) on symlinks (on all other file types, +dnl link() is sufficient). If it is -1, use a Solaris specific +dnl runtime test. If it is -2, use a generic runtime test. +AC_DEFUN([gl_FUNC_LINK_FOLLOWS_SYMLINK], +[dnl + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([readlink]) + dnl Mingw lacks link, although gnulib provides a good replacement. + dnl However, it also lacks symlink, so there's nothing to test in + dnl the first place, and no reason to need to distinguish between + dnl linkat variants. So, we set LINK_FOLLOWS_SYMLINKS to 0. + gl_link_follows_symlinks=0 # assume GNU behavior + if test $ac_cv_func_readlink = yes; then + dnl Solaris has an __xpg4 variable in libc, and it determines the + dnl behaviour of link(): It dereferences a symlink if and only if + dnl __xpg4 != 0. + AC_CACHE_CHECK([for __xpg4], [gl_cv_have___xpg4], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[extern int __xpg4;]], + [[return __xpg4;]])], + [gl_cv_have___xpg4=yes], + [gl_cv_have___xpg4=no]) + ]) + if test $gl_cv_have___xpg4 = yes; then + gl_link_follows_symlinks=-1 + else + AC_CACHE_CHECK([whether link(2) dereferences a symlink], + [gl_cv_func_link_follows_symlink], + [ + # Create a regular file. + echo > conftest.file + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +# include <sys/types.h> +# include <sys/stat.h> +# include <unistd.h> +# include <stdlib.h> + +# define SAME_INODE(Stat_buf_1, Stat_buf_2) \ + ((Stat_buf_1).st_ino == (Stat_buf_2).st_ino \ + && (Stat_buf_1).st_dev == (Stat_buf_2).st_dev) + + int + main () + { + const char *file = "conftest.file"; + const char *sym = "conftest.sym"; + const char *hard = "conftest.hard"; + struct stat sb_file, sb_hard; + + /* Create a symlink to the regular file. */ + if (symlink (file, sym)) + return 2; + + /* Create a hard link to that symlink. */ + if (link (sym, hard)) + return 3; + + if (lstat (hard, &sb_hard)) + return 4; + if (lstat (file, &sb_file)) + return 5; + + /* If the dev/inode of hard and file are the same, then + the link call followed the symlink. */ + return SAME_INODE (sb_hard, sb_file) ? 1 : 0; + } + ]])], + [gl_cv_func_link_follows_symlink=no], dnl GNU behavior + [gl_cv_func_link_follows_symlink=yes], dnl Followed link/compile failed + [dnl We're cross compiling. + dnl The past results are "yes" on MacOS X, FreeBSD, NetBSD, + dnl OpenBSD, Minix, AIX, HP-UX, OSF/1, and "no" on Linux, Cygwin. + case "$host_os" in + # On glibc/Linux we know the result. + linux*-gnu*) gl_cv_func_link_follows_symlink="guessing no" ;; + # Otherwise, we don't know. + *) gl_cv_func_link_follows_symlink=unknown ;; + esac + ]) + rm -f conftest.file conftest.sym conftest.hard + ]) + case "$gl_cv_func_link_follows_symlink" in + *yes) gl_link_follows_symlinks=1 ;; + *no) ;; # already defaulted to 0 + *) gl_link_follows_symlinks=-2 ;; + esac + fi + fi + AC_DEFINE_UNQUOTED([LINK_FOLLOWS_SYMLINKS], [$gl_link_follows_symlinks], + [Define to 1 if 'link(2)' dereferences symbolic links, 0 if it + creates hard links to symlinks, -1 if it depends on the variable __xpg4, + and -2 if unknown.]) +]) diff --git a/m4/link.m4 b/m4/link.m4 new file mode 100644 index 00000000..0f3d4fc8 --- /dev/null +++ b/m4/link.m4 @@ -0,0 +1,55 @@ +# link.m4 serial 8 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LINK], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([link]) + if test $ac_cv_func_link = no; then + HAVE_LINK=0 + else + AC_CACHE_CHECK([whether link obeys POSIX], + [gl_cv_func_link_works], + [touch conftest.a + # Assume that if we have lstat, we can also check symlinks. + if test $ac_cv_func_lstat = yes; then + ln -s conftest.a conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h> + ]], + [[int result = 0; + if (!link ("conftest.a", "conftest.b/")) + result |= 1; +#if HAVE_LSTAT + if (!link ("conftest.lnk/", "conftest.b")) + result |= 2; + if (rename ("conftest.a", "conftest.b")) + result |= 4; + if (!link ("conftest.b", "conftest.lnk")) + result |= 8; +#endif + return result; + ]])], + [gl_cv_func_link_works=yes], [gl_cv_func_link_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_link_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_link_works="guessing no" ;; + esac + ]) + rm -f conftest.a conftest.b conftest.lnk]) + case "$gl_cv_func_link_works" in + *yes) ;; + *) + REPLACE_LINK=1 + ;; + esac + fi +]) diff --git a/m4/linkat.m4 b/m4/linkat.m4 new file mode 100644 index 00000000..b0b7d7bd --- /dev/null +++ b/m4/linkat.m4 @@ -0,0 +1,95 @@ +# serial 6 +# See if we need to provide linkat replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_LINKAT], +[ + AC_REQUIRE([gl_FUNC_OPENAT]) + AC_REQUIRE([gl_FUNC_LINK_FOLLOWS_SYMLINK]) + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([linkat symlink]) + AC_CHECK_HEADERS_ONCE([sys/param.h]) + if test $ac_cv_func_linkat = no; then + HAVE_LINKAT=0 + else + AC_CACHE_CHECK([whether linkat(,AT_SYMLINK_FOLLOW) works], + [gl_cv_func_linkat_follow], + [rm -rf conftest.f1 conftest.f2 + touch conftest.f1 + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <fcntl.h> +#include <unistd.h> +#ifdef __linux__ +/* Linux added linkat in 2.6.16, but did not add AT_SYMLINK_FOLLOW + until 2.6.18. Always replace linkat to support older kernels. */ +choke me +#endif +]], [return linkat (AT_FDCWD, "conftest.f1", AT_FDCWD, "conftest.f2", + AT_SYMLINK_FOLLOW);])], + [gl_cv_func_linkat_follow=yes], + [gl_cv_func_linkat_follow="need runtime check"]) + rm -rf conftest.f1 conftest.f2]) + AC_CACHE_CHECK([whether linkat handles trailing slash correctly], + [gl_cv_func_linkat_slash], + [rm -rf conftest.a conftest.b conftest.c conftest.d + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h> + #include <fcntl.h> + #include <errno.h> + #include <stdio.h> + ]], + [[int result; + int fd; + /* Create a regular file. */ + fd = open ("conftest.a", O_CREAT | O_EXCL | O_WRONLY, 0600); + if (fd < 0) + return 1; + if (write (fd, "hello", 5) < 5) + return 2; + if (close (fd) < 0) + return 3; + /* Test whether hard links are supported on the current + device. */ + if (linkat (AT_FDCWD, "conftest.a", AT_FDCWD, "conftest.b", + AT_SYMLINK_FOLLOW) < 0) + return 0; + result = 0; + /* Test whether a trailing "/" is treated like "/.". */ + if (linkat (AT_FDCWD, "conftest.a/", AT_FDCWD, "conftest.c", + AT_SYMLINK_FOLLOW) == 0) + result |= 4; + if (linkat (AT_FDCWD, "conftest.a", AT_FDCWD, "conftest.d/", + AT_SYMLINK_FOLLOW) == 0) + result |= 8; + return result; + ]])], + [gl_cv_func_linkat_slash=yes], + [gl_cv_func_linkat_slash=no], + [# Guess yes on glibc systems, no otherwise. + case "$host_os" in + *-gnu*) gl_cv_func_linkat_slash="guessing yes";; + *) gl_cv_func_linkat_slash="guessing no";; + esac + ]) + rm -rf conftest.a conftest.b conftest.c conftest.d]) + case "$gl_cv_func_linkat_slash" in + *yes) gl_linkat_slash_bug=0 ;; + *) gl_linkat_slash_bug=1 ;; + esac + if test "$gl_cv_func_linkat_follow" != yes \ + || test $gl_linkat_slash_bug = 1; then + REPLACE_LINKAT=1 + AC_DEFINE_UNQUOTED([LINKAT_TRAILING_SLASH_BUG], [$gl_linkat_slash_bug], + [Define to 1 if linkat fails to recognize a trailing slash.]) + fi + fi +]) diff --git a/m4/localcharset.m4 b/m4/localcharset.m4 new file mode 100644 index 00000000..8010379b --- /dev/null +++ b/m4/localcharset.m4 @@ -0,0 +1,17 @@ +# localcharset.m4 serial 7 +dnl Copyright (C) 2002, 2004, 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_LOCALCHARSET], +[ + dnl Prerequisites of lib/localcharset.c. + AC_REQUIRE([AM_LANGINFO_CODESET]) + AC_REQUIRE([gl_FCNTL_O_FLAGS]) + AC_CHECK_DECLS_ONCE([getc_unlocked]) + + dnl Prerequisites of the lib/Makefile.am snippet. + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_GLIBC21]) +]) diff --git a/m4/locale-fr.m4 b/m4/locale-fr.m4 new file mode 100644 index 00000000..04d801f2 --- /dev/null +++ b/m4/locale-fr.m4 @@ -0,0 +1,250 @@ +# locale-fr.m4 serial 16 +dnl Copyright (C) 2003, 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl Determine the name of a french locale with traditional encoding. +AC_DEFUN([gt_LOCALE_FR], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AM_LANGINFO_CODESET]) + AC_CACHE_CHECK([for a traditional french locale], [gt_cv_locale_fr], [ + AC_LANG_CONFTEST([AC_LANG_SOURCE([ +changequote(,)dnl +#include <locale.h> +#include <time.h> +#if HAVE_LANGINFO_CODESET +# include <langinfo.h> +#endif +#include <stdlib.h> +#include <string.h> +struct tm t; +char buf[16]; +int main () { + /* Check whether the given locale name is recognized by the system. */ +#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ + /* On native Windows, setlocale(category, "") looks at the system settings, + not at the environment variables. Also, when an encoding suffix such + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE + category of the locale to "C". */ + if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL + || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + return 1; +#else + if (setlocale (LC_ALL, "") == NULL) return 1; +#endif + /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". + On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + is empty, and the behaviour of Tcl 8.4 in this locale is not useful. + On OpenBSD 4.0, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "646". In this situation, + some unit tests fail. + On MirBSD 10, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "UTF-8". */ +#if HAVE_LANGINFO_CODESET + { + const char *cs = nl_langinfo (CODESET); + if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0 + || strcmp (cs, "UTF-8") == 0) + return 1; + } +#endif +#ifdef __CYGWIN__ + /* On Cygwin, avoid locale names without encoding suffix, because the + locale_charset() function relies on the encoding suffix. Note that + LC_ALL is set on the command line. */ + if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; +#endif + /* Check whether in the abbreviation of the second month, the second + character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is only + one byte long. This excludes the UTF-8 encoding. */ + t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4; + if (strftime (buf, sizeof (buf), "%b", &t) < 3 || buf[2] != 'v') return 1; +#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy. */ + /* Check whether the decimal separator is a comma. + On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point + are nl_langinfo(RADIXCHAR) are both ".". */ + if (localeconv () ->decimal_point[0] != ',') return 1; +#endif + return 0; +} +changequote([,])dnl + ])]) + if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then + case "$host_os" in + # Handle native Windows specially, because there setlocale() interprets + # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", + # "fr" or "fra" as "French" or "French_France.1252", + # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", + # "ja" as "Japanese" or "Japanese_Japan.932", + # and similar. + mingw*) + # Test for the native Windows locale name. + if (LC_ALL=French_France.1252 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr=French_France.1252 + else + # None found. + gt_cv_locale_fr=none + fi + ;; + *) + # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because + # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # configure script would override the LC_ALL setting. Likewise for + # LC_CTYPE, which is also set at the beginning of the configure script. + # Test for the usual locale name. + if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr=fr_FR + else + # Test for the locale name with explicit encoding suffix. + if (LC_ALL=fr_FR.ISO-8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr=fr_FR.ISO-8859-1 + else + # Test for the AIX, OSF/1, FreeBSD, NetBSD, OpenBSD locale name. + if (LC_ALL=fr_FR.ISO8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr=fr_FR.ISO8859-1 + else + # Test for the HP-UX locale name. + if (LC_ALL=fr_FR.iso88591 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr=fr_FR.iso88591 + else + # Test for the Solaris 7 locale name. + if (LC_ALL=fr LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr=fr + else + # None found. + gt_cv_locale_fr=none + fi + fi + fi + fi + fi + ;; + esac + fi + rm -fr conftest* + ]) + LOCALE_FR=$gt_cv_locale_fr + AC_SUBST([LOCALE_FR]) +]) + +dnl Determine the name of a french locale with UTF-8 encoding. +AC_DEFUN([gt_LOCALE_FR_UTF8], +[ + AC_REQUIRE([AM_LANGINFO_CODESET]) + AC_CACHE_CHECK([for a french Unicode locale], [gt_cv_locale_fr_utf8], [ + AC_LANG_CONFTEST([AC_LANG_SOURCE([ +changequote(,)dnl +#include <locale.h> +#include <time.h> +#if HAVE_LANGINFO_CODESET +# include <langinfo.h> +#endif +#include <stdlib.h> +#include <string.h> +struct tm t; +char buf[16]; +int main () { + /* On BeOS and Haiku, locales are not implemented in libc. Rather, libintl + imitates locale dependent behaviour by looking at the environment + variables, and all locales use the UTF-8 encoding. */ +#if !(defined __BEOS__ || defined __HAIKU__) + /* Check whether the given locale name is recognized by the system. */ +# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ + /* On native Windows, setlocale(category, "") looks at the system settings, + not at the environment variables. Also, when an encoding suffix such + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE + category of the locale to "C". */ + if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL + || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + return 1; +# else + if (setlocale (LC_ALL, "") == NULL) return 1; +# endif + /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". + On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + is empty, and the behaviour of Tcl 8.4 in this locale is not useful. + On OpenBSD 4.0, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "646". In this situation, + some unit tests fail. */ +# if HAVE_LANGINFO_CODESET + { + const char *cs = nl_langinfo (CODESET); + if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0) + return 1; + } +# endif +# ifdef __CYGWIN__ + /* On Cygwin, avoid locale names without encoding suffix, because the + locale_charset() function relies on the encoding suffix. Note that + LC_ALL is set on the command line. */ + if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; +# endif + /* Check whether in the abbreviation of the second month, the second + character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is + two bytes long, with UTF-8 encoding. */ + t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4; + if (strftime (buf, sizeof (buf), "%b", &t) < 4 + || buf[1] != (char) 0xc3 || buf[2] != (char) 0xa9 || buf[3] != 'v') + return 1; +#endif +#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy. */ + /* Check whether the decimal separator is a comma. + On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point + are nl_langinfo(RADIXCHAR) are both ".". */ + if (localeconv () ->decimal_point[0] != ',') return 1; +#endif + return 0; +} +changequote([,])dnl + ])]) + if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then + case "$host_os" in + # Handle native Windows specially, because there setlocale() interprets + # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", + # "fr" or "fra" as "French" or "French_France.1252", + # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", + # "ja" as "Japanese" or "Japanese_Japan.932", + # and similar. + mingw*) + # Test for the hypothetical native Windows locale name. + if (LC_ALL=French_France.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr_utf8=French_France.65001 + else + # None found. + gt_cv_locale_fr_utf8=none + fi + ;; + *) + # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because + # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # configure script would override the LC_ALL setting. Likewise for + # LC_CTYPE, which is also set at the beginning of the configure script. + # Test for the usual locale name. + if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr_utf8=fr_FR + else + # Test for the locale name with explicit encoding suffix. + if (LC_ALL=fr_FR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr_utf8=fr_FR.UTF-8 + else + # Test for the Solaris 7 locale name. + if (LC_ALL=fr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_fr_utf8=fr.UTF-8 + else + # None found. + gt_cv_locale_fr_utf8=none + fi + fi + fi + ;; + esac + fi + rm -fr conftest* + ]) + LOCALE_FR_UTF8=$gt_cv_locale_fr_utf8 + AC_SUBST([LOCALE_FR_UTF8]) +]) diff --git a/m4/locale-ja.m4 b/m4/locale-ja.m4 new file mode 100644 index 00000000..201ac4e7 --- /dev/null +++ b/m4/locale-ja.m4 @@ -0,0 +1,136 @@ +# locale-ja.m4 serial 11 +dnl Copyright (C) 2003, 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl Determine the name of a japanese locale with EUC-JP encoding. +AC_DEFUN([gt_LOCALE_JA], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AM_LANGINFO_CODESET]) + AC_CACHE_CHECK([for a traditional japanese locale], [gt_cv_locale_ja], [ + AC_LANG_CONFTEST([AC_LANG_SOURCE([ +changequote(,)dnl +#include <locale.h> +#include <time.h> +#if HAVE_LANGINFO_CODESET +# include <langinfo.h> +#endif +#include <stdlib.h> +#include <string.h> +struct tm t; +char buf[16]; +int main () +{ + const char *p; + /* Check whether the given locale name is recognized by the system. */ +#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ + /* On native Windows, setlocale(category, "") looks at the system settings, + not at the environment variables. Also, when an encoding suffix such + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE + category of the locale to "C". */ + if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL + || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + return 1; +#else + if (setlocale (LC_ALL, "") == NULL) return 1; +#endif + /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". + On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + is empty, and the behaviour of Tcl 8.4 in this locale is not useful. + On OpenBSD 4.0, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "646". In this situation, + some unit tests fail. + On MirBSD 10, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "UTF-8". */ +#if HAVE_LANGINFO_CODESET + { + const char *cs = nl_langinfo (CODESET); + if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0 + || strcmp (cs, "UTF-8") == 0) + return 1; + } +#endif +#ifdef __CYGWIN__ + /* On Cygwin, avoid locale names without encoding suffix, because the + locale_charset() function relies on the encoding suffix. Note that + LC_ALL is set on the command line. */ + if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; +#endif + /* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales + on Cygwin 1.5.x. */ + if (MB_CUR_MAX == 1) + return 1; + /* Check whether in a month name, no byte in the range 0x80..0x9F occurs. + This excludes the UTF-8 encoding (except on MirBSD). */ + t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4; + if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1; + for (p = buf; *p != '\0'; p++) + if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0) + return 1; + return 0; +} +changequote([,])dnl + ])]) + if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then + case "$host_os" in + # Handle native Windows specially, because there setlocale() interprets + # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", + # "fr" or "fra" as "French" or "French_France.1252", + # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", + # "ja" as "Japanese" or "Japanese_Japan.932", + # and similar. + mingw*) + # Note that on native Windows, the Japanese locale is + # Japanese_Japan.932, and CP932 is very different from EUC-JP, so we + # cannot use it here. + gt_cv_locale_ja=none + ;; + *) + # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because + # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # configure script would override the LC_ALL setting. Likewise for + # LC_CTYPE, which is also set at the beginning of the configure script. + # Test for the AIX locale name. + if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_ja=ja_JP + else + # Test for the locale name with explicit encoding suffix. + if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_ja=ja_JP.EUC-JP + else + # Test for the HP-UX, OSF/1, NetBSD locale name. + if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_ja=ja_JP.eucJP + else + # Test for the IRIX, FreeBSD locale name. + if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_ja=ja_JP.EUC + else + # Test for the Solaris 7 locale name. + if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_ja=ja + else + # Special test for NetBSD 1.6. + if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then + gt_cv_locale_ja=ja_JP.eucJP + else + # None found. + gt_cv_locale_ja=none + fi + fi + fi + fi + fi + fi + ;; + esac + fi + rm -fr conftest* + ]) + LOCALE_JA=$gt_cv_locale_ja + AC_SUBST([LOCALE_JA]) +]) diff --git a/m4/locale-tr.m4 b/m4/locale-tr.m4 new file mode 100644 index 00000000..26b2ba26 --- /dev/null +++ b/m4/locale-tr.m4 @@ -0,0 +1,127 @@ +# locale-tr.m4 serial 9 +dnl Copyright (C) 2003, 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl Determine the name of a turkish locale with UTF-8 encoding. +AC_DEFUN([gt_LOCALE_TR_UTF8], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AM_LANGINFO_CODESET]) + AC_CACHE_CHECK([for a turkish Unicode locale], [gt_cv_locale_tr_utf8], [ + AC_LANG_CONFTEST([AC_LANG_SOURCE([ +changequote(,)dnl +#include <locale.h> +#include <time.h> +#if HAVE_LANGINFO_CODESET +# include <langinfo.h> +#endif +#include <stdlib.h> +#include <string.h> +struct tm t; +char buf[16]; +int main () { + /* On BeOS, locales are not implemented in libc. Rather, libintl + imitates locale dependent behaviour by looking at the environment + variables, and all locales use the UTF-8 encoding. But BeOS does not + implement the Turkish upper-/lowercase mappings. Therefore, let this + program return 1 on BeOS. */ + /* Check whether the given locale name is recognized by the system. */ +#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ + /* On native Windows, setlocale(category, "") looks at the system settings, + not at the environment variables. Also, when an encoding suffix such + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE + category of the locale to "C". */ + if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL + || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + return 1; +#else + if (setlocale (LC_ALL, "") == NULL) return 1; +#endif + /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". + On MacOS X 10.3.5 (Darwin 7.5) in the tr_TR locale, nl_langinfo(CODESET) + is empty, and the behaviour of Tcl 8.4 in this locale is not useful. + On OpenBSD 4.0, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "646". In this situation, + some unit tests fail. */ +#if HAVE_LANGINFO_CODESET + { + const char *cs = nl_langinfo (CODESET); + if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0) + return 1; + } +#endif +#ifdef __CYGWIN__ + /* On Cygwin, avoid locale names without encoding suffix, because the + locale_charset() function relies on the encoding suffix. Note that + LC_ALL is set on the command line. */ + if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; +#endif + /* Check whether in the abbreviation of the eighth month, the second + character (should be U+011F: LATIN SMALL LETTER G WITH BREVE) is + two bytes long, with UTF-8 encoding. */ + t.tm_year = 1992 - 1900; t.tm_mon = 8 - 1; t.tm_mday = 19; + if (strftime (buf, sizeof (buf), "%b", &t) < 4 + || buf[1] != (char) 0xc4 || buf[2] != (char) 0x9f) + return 1; + /* Check whether the upper-/lowercase mappings are as expected for + Turkish. */ + if (towupper ('i') != 0x0130 || towlower (0x0130) != 'i' + || towupper(0x0131) != 'I' || towlower ('I') != 0x0131) + return 1; + return 0; +} +changequote([,])dnl + ])]) + if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then + case "$host_os" in + # Handle native Windows specially, because there setlocale() interprets + # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", + # "fr" or "fra" as "French" or "French_France.1252", + # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", + # "ja" as "Japanese" or "Japanese_Japan.932", + # and similar. + mingw*) + # Test for the hypothetical native Windows locale name. + if (LC_ALL=Turkish_Turkey.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_tr_utf8=Turkish_Turkey.65001 + else + # None found. + gt_cv_locale_tr_utf8=none + fi + ;; + *) + # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because + # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # configure script would override the LC_ALL setting. Likewise for + # LC_CTYPE, which is also set at the beginning of the configure script. + # Test for the usual locale name. + if (LC_ALL=tr_TR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_tr_utf8=tr_TR + else + # Test for the locale name with explicit encoding suffix. + if (LC_ALL=tr_TR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_tr_utf8=tr_TR.UTF-8 + else + # Test for the Solaris 7 locale name. + if (LC_ALL=tr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_tr_utf8=tr.UTF-8 + else + # None found. + gt_cv_locale_tr_utf8=none + fi + fi + fi + ;; + esac + else + gt_cv_locale_tr_utf8=none + fi + rm -fr conftest* + ]) + LOCALE_TR_UTF8=$gt_cv_locale_tr_utf8 + AC_SUBST([LOCALE_TR_UTF8]) +]) diff --git a/m4/locale-zh.m4 b/m4/locale-zh.m4 new file mode 100644 index 00000000..0cf5adac --- /dev/null +++ b/m4/locale-zh.m4 @@ -0,0 +1,130 @@ +# locale-zh.m4 serial 11 +dnl Copyright (C) 2003, 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl Determine the name of a chinese locale with GB18030 encoding. +AC_DEFUN([gt_LOCALE_ZH_CN], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AM_LANGINFO_CODESET]) + AC_CACHE_CHECK([for a transitional chinese locale], [gt_cv_locale_zh_CN], [ + AC_LANG_CONFTEST([AC_LANG_SOURCE([ +changequote(,)dnl +#include <locale.h> +#include <stdlib.h> +#include <time.h> +#if HAVE_LANGINFO_CODESET +# include <langinfo.h> +#endif +#include <stdlib.h> +#include <string.h> +struct tm t; +char buf[16]; +int main () +{ + const char *p; + /* Check whether the given locale name is recognized by the system. */ +#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ + /* On native Windows, setlocale(category, "") looks at the system settings, + not at the environment variables. Also, when an encoding suffix such + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE + category of the locale to "C". */ + if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL + || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + return 1; +#else + if (setlocale (LC_ALL, "") == NULL) return 1; +#endif + /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". + On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + is empty, and the behaviour of Tcl 8.4 in this locale is not useful. + On OpenBSD 4.0, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "646". In this situation, + some unit tests fail. + On MirBSD 10, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "UTF-8". */ +#if HAVE_LANGINFO_CODESET + { + const char *cs = nl_langinfo (CODESET); + if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0 + || strcmp (cs, "UTF-8") == 0) + return 1; + } +#endif +#ifdef __CYGWIN__ + /* On Cygwin, avoid locale names without encoding suffix, because the + locale_charset() function relies on the encoding suffix. Note that + LC_ALL is set on the command line. */ + if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; +#endif + /* Check whether in a month name, no byte in the range 0x80..0x9F occurs. + This excludes the UTF-8 encoding (except on MirBSD). */ + t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4; + if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1; + for (p = buf; *p != '\0'; p++) + if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0) + return 1; + /* Check whether a typical GB18030 multibyte sequence is recognized as a + single wide character. This excludes the GB2312 and GBK encodings. */ + if (mblen ("\203\062\332\066", 5) != 4) + return 1; + return 0; +} +changequote([,])dnl + ])]) + if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then + case "$host_os" in + # Handle native Windows specially, because there setlocale() interprets + # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", + # "fr" or "fra" as "French" or "French_France.1252", + # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", + # "ja" as "Japanese" or "Japanese_Japan.932", + # and similar. + mingw*) + # Test for the hypothetical native Windows locale name. + if (LC_ALL=Chinese_China.54936 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_zh_CN=Chinese_China.54936 + else + # None found. + gt_cv_locale_zh_CN=none + fi + ;; + solaris2.8) + # On Solaris 8, the locales zh_CN.GB18030, zh_CN.GBK, zh.GBK are + # broken. One witness is the test case in gl_MBRTOWC_SANITYCHECK. + # Another witness is that "LC_ALL=zh_CN.GB18030 bash -c true" dumps core. + gt_cv_locale_zh_CN=none + ;; + *) + # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because + # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the + # configure script would override the LC_ALL setting. Likewise for + # LC_CTYPE, which is also set at the beginning of the configure script. + # Test for the locale name without encoding suffix. + if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_zh_CN=zh_CN + else + # Test for the locale name with explicit encoding suffix. + if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_zh_CN=zh_CN.GB18030 + else + # None found. + gt_cv_locale_zh_CN=none + fi + fi + ;; + esac + else + # If there was a link error, due to mblen(), the system is so old that + # it certainly doesn't have a chinese locale. + gt_cv_locale_zh_CN=none + fi + rm -fr conftest* + ]) + LOCALE_ZH_CN=$gt_cv_locale_zh_CN + AC_SUBST([LOCALE_ZH_CN]) +]) diff --git a/m4/locale_h.m4 b/m4/locale_h.m4 new file mode 100644 index 00000000..fb72e4e5 --- /dev/null +++ b/m4/locale_h.m4 @@ -0,0 +1,122 @@ +# locale_h.m4 serial 18 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_LOCALE_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) + + dnl Persuade glibc <locale.h> to define locale_t and the int_p_*, int_n_* + dnl members of 'struct lconv'. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl If <stddef.h> is replaced, then <locale.h> must also be replaced. + AC_REQUIRE([gl_STDDEF_H]) + + dnl Solaris 11 2011-11 defines the int_p_*, int_n_* members of 'struct lconv' + dnl only if _LCONV_C99 is defined. + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + solaris*) + AC_DEFINE([_LCONV_C99], [1], [Define to 1 on Solaris.]) + ;; + esac + + AC_CACHE_CHECK([whether locale.h conforms to POSIX:2001], + [gl_cv_header_locale_h_posix2001], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <locale.h> + int x = LC_MESSAGES; + int y = sizeof (((struct lconv *) 0)->decimal_point);]], + [[]])], + [gl_cv_header_locale_h_posix2001=yes], + [gl_cv_header_locale_h_posix2001=no])]) + + dnl Check for <xlocale.h>. + AC_CHECK_HEADERS_ONCE([xlocale.h]) + if test $ac_cv_header_xlocale_h = yes; then + HAVE_XLOCALE_H=1 + dnl Check whether use of locale_t requires inclusion of <xlocale.h>, + dnl e.g. on MacOS X 10.5. If <locale.h> does not define locale_t by + dnl itself, we assume that <xlocale.h> will do so. + AC_CACHE_CHECK([whether locale.h defines locale_t], + [gl_cv_header_locale_has_locale_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <locale.h> + locale_t x;]], + [[]])], + [gl_cv_header_locale_has_locale_t=yes], + [gl_cv_header_locale_has_locale_t=no]) + ]) + if test $gl_cv_header_locale_has_locale_t = yes; then + gl_cv_header_locale_h_needs_xlocale_h=no + else + gl_cv_header_locale_h_needs_xlocale_h=yes + fi + else + HAVE_XLOCALE_H=0 + gl_cv_header_locale_h_needs_xlocale_h=no + fi + AC_SUBST([HAVE_XLOCALE_H]) + + dnl Check whether 'struct lconv' is complete. + dnl Bionic libc's 'struct lconv' is just a dummy. + dnl On OpenBSD 4.9, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 1.5.x, + dnl mingw, MSVC 9, it lacks the int_p_* and int_n_* members. + AC_CACHE_CHECK([whether struct lconv is properly defined], + [gl_cv_sys_struct_lconv_ok], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <locale.h> + struct lconv l; + int x = sizeof (l.decimal_point); + int y = sizeof (l.int_p_cs_precedes);]], + [[]])], + [gl_cv_sys_struct_lconv_ok=yes], + [gl_cv_sys_struct_lconv_ok=no]) + ]) + if test $gl_cv_sys_struct_lconv_ok = no; then + REPLACE_STRUCT_LCONV=1 + fi + + dnl <locale.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_NEXT_HEADERS([locale.h]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <locale.h> +/* Some systems provide declarations in a non-standard header. */ +#if HAVE_XLOCALE_H +# include <xlocale.h> +#endif + ]], + [setlocale duplocale]) +]) + +AC_DEFUN([gl_LOCALE_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_LOCALE_H_DEFAULTS], +[ + GNULIB_LOCALECONV=0; AC_SUBST([GNULIB_LOCALECONV]) + GNULIB_SETLOCALE=0; AC_SUBST([GNULIB_SETLOCALE]) + GNULIB_DUPLOCALE=0; AC_SUBST([GNULIB_DUPLOCALE]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DUPLOCALE=1; AC_SUBST([HAVE_DUPLOCALE]) + REPLACE_LOCALECONV=0; AC_SUBST([REPLACE_LOCALECONV]) + REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE]) + REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE]) + REPLACE_STRUCT_LCONV=0; AC_SUBST([REPLACE_STRUCT_LCONV]) +]) diff --git a/m4/localeconv.m4 b/m4/localeconv.m4 new file mode 100644 index 00000000..5fae06d8 --- /dev/null +++ b/m4/localeconv.m4 @@ -0,0 +1,22 @@ +# localeconv.m4 serial 1 +dnl Copyright (C) 2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LOCALECONV], +[ + AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) + AC_REQUIRE([gl_LOCALE_H]) + + if test $REPLACE_STRUCT_LCONV = 1; then + REPLACE_LOCALECONV=1 + fi +]) + +# Prerequisites of lib/localeconv.c. +AC_DEFUN([gl_PREREQ_LOCALECONV], +[ + AC_CHECK_MEMBERS([struct lconv.decimal_point], [], [], + [[#include <locale.h>]]) +]) diff --git a/m4/localename.m4 b/m4/localename.m4 new file mode 100644 index 00000000..2ba295eb --- /dev/null +++ b/m4/localename.m4 @@ -0,0 +1,12 @@ +# localename.m4 serial 2 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_LOCALENAME], +[ + AC_REQUIRE([gt_LC_MESSAGES]) + AC_REQUIRE([gt_INTL_MACOSX]) + AC_CHECK_FUNCS([setlocale uselocale]) +]) diff --git a/m4/lock.m4 b/m4/lock.m4 new file mode 100644 index 00000000..c0a62060 --- /dev/null +++ b/m4/lock.m4 @@ -0,0 +1,41 @@ +# lock.m4 serial 11 (gettext-0.18.2) +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_DEFUN([gl_LOCK], +[ + AC_REQUIRE([gl_THREADLIB]) + if test "$gl_threads_api" = posix; then + # OSF/1 4.0 and MacOS X 10.1 lack the pthread_rwlock_t type and the + # pthread_rwlock_* functions. + AC_CHECK_TYPE([pthread_rwlock_t], + [AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1], + [Define if the POSIX multithreading library has read/write locks.])], + [], + [#include <pthread.h>]) + # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro. + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM( + [[#include <pthread.h>]], + [[ +#if __FreeBSD__ == 4 +error "No, in FreeBSD 4.0 recursive mutexes actually don't work." +#else +int x = (int)PTHREAD_MUTEX_RECURSIVE; +return !x; +#endif + ]])], + [AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], [1], + [Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])]) + fi + gl_PREREQ_LOCK +]) + +# Prerequisites of lib/lock.c. +AC_DEFUN([gl_PREREQ_LOCK], [ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/longlong.m4 b/m4/longlong.m4 new file mode 100644 index 00000000..b9c65c75 --- /dev/null +++ b/m4/longlong.m4 @@ -0,0 +1,113 @@ +# longlong.m4 serial 17 +dnl Copyright (C) 1999-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +# Define HAVE_LONG_LONG_INT if 'long long int' works. +# This fixes a bug in Autoconf 2.61, and can be faster +# than what's in Autoconf 2.62 through 2.68. + +# Note: If the type 'long long int' exists but is only 32 bits large +# (as on some very old compilers), HAVE_LONG_LONG_INT will not be +# defined. In this case you can treat 'long long int' like 'long int'. + +AC_DEFUN([AC_TYPE_LONG_LONG_INT], +[ + AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) + AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int], + [ac_cv_type_long_long_int=yes + if test "x${ac_cv_prog_cc_c99-no}" = xno; then + ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int + if test $ac_cv_type_long_long_int = yes; then + dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004. + dnl If cross compiling, assume the bug is not important, since + dnl nobody cross compiles for this platform as far as we know. + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[@%:@include <limits.h> + @%:@ifndef LLONG_MAX + @%:@ define HALF \ + (1LL << (sizeof (long long int) * CHAR_BIT - 2)) + @%:@ define LLONG_MAX (HALF - 1 + HALF) + @%:@endif]], + [[long long int n = 1; + int i; + for (i = 0; ; i++) + { + long long int m = n << i; + if (m >> i != n) + return 1; + if (LLONG_MAX / 2 < m) + break; + } + return 0;]])], + [], + [ac_cv_type_long_long_int=no], + [:]) + fi + fi]) + if test $ac_cv_type_long_long_int = yes; then + AC_DEFINE([HAVE_LONG_LONG_INT], [1], + [Define to 1 if the system has the type 'long long int'.]) + fi +]) + +# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works. +# This fixes a bug in Autoconf 2.61, and can be faster +# than what's in Autoconf 2.62 through 2.68. + +# Note: If the type 'unsigned long long int' exists but is only 32 bits +# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT +# will not be defined. In this case you can treat 'unsigned long long int' +# like 'unsigned long int'. + +AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT], +[ + AC_CACHE_CHECK([for unsigned long long int], + [ac_cv_type_unsigned_long_long_int], + [ac_cv_type_unsigned_long_long_int=yes + if test "x${ac_cv_prog_cc_c99-no}" = xno; then + AC_LINK_IFELSE( + [_AC_TYPE_LONG_LONG_SNIPPET], + [], + [ac_cv_type_unsigned_long_long_int=no]) + fi]) + if test $ac_cv_type_unsigned_long_long_int = yes; then + AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1], + [Define to 1 if the system has the type 'unsigned long long int'.]) + fi +]) + +# Expands to a C program that can be used to test for simultaneous support +# of 'long long' and 'unsigned long long'. We don't want to say that +# 'long long' is available if 'unsigned long long' is not, or vice versa, +# because too many programs rely on the symmetry between signed and unsigned +# integer types (excluding 'bool'). +AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET], +[ + AC_LANG_PROGRAM( + [[/* For now, do not test the preprocessor; as of 2007 there are too many + implementations with broken preprocessors. Perhaps this can + be revisited in 2012. In the meantime, code should not expect + #if to work with literals wider than 32 bits. */ + /* Test literals. */ + long long int ll = 9223372036854775807ll; + long long int nll = -9223372036854775807LL; + unsigned long long int ull = 18446744073709551615ULL; + /* Test constant expressions. */ + typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll) + ? 1 : -1)]; + typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1 + ? 1 : -1)]; + int i = 63;]], + [[/* Test availability of runtime routines for shift and division. */ + long long int llmax = 9223372036854775807ll; + unsigned long long int ullmax = 18446744073709551615ull; + return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i) + | (llmax / ll) | (llmax % ll) + | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i) + | (ullmax / ull) | (ullmax % ull));]]) +]) diff --git a/m4/ls-mntd-fs.m4 b/m4/ls-mntd-fs.m4 new file mode 100644 index 00000000..51954dad --- /dev/null +++ b/m4/ls-mntd-fs.m4 @@ -0,0 +1,357 @@ +# serial 30 +# How to list mounted file systems. + +# Copyright (C) 1998-2004, 2006, 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. +dnl +dnl This is not pretty. I've just taken the autoconf code and wrapped +dnl it in an AC_DEFUN and made some other fixes. +dnl + +# Replace Autoconf's AC_FUNC_GETMNTENT to work around a bug in Autoconf +# through Autoconf 2.59. We can remove this once we assume Autoconf 2.60 +# or later. +AC_DEFUN([AC_FUNC_GETMNTENT], +[# getmntent is in the standard C library on UNICOS, in -lsun on Irix 4, +# -lseq on Dynix/PTX, -lgen on Unixware. +AC_SEARCH_LIBS([getmntent], [sun seq gen]) +AC_CHECK_FUNCS([getmntent]) +]) + +# gl_LIST_MOUNTED_FILE_SYSTEMS([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) +AC_DEFUN([gl_LIST_MOUNTED_FILE_SYSTEMS], + [ +AC_CHECK_FUNCS([listmntent getmntinfo]) +AC_CHECK_HEADERS_ONCE([sys/param.h sys/statvfs.h]) + +# We must include grp.h before ucred.h on OSF V4.0, since ucred.h uses +# NGROUPS (as the array dimension for a struct member) without a definition. +AC_CHECK_HEADERS([sys/ucred.h], [], [], [#include <grp.h>]) + +AC_CHECK_HEADERS([sys/mount.h], [], [], + [AC_INCLUDES_DEFAULT + [#if HAVE_SYS_PARAM_H + #include <sys/param.h> + #endif]]) + +AC_CHECK_HEADERS([mntent.h sys/fs_types.h]) + getfsstat_includes="\ +$ac_includes_default +#if HAVE_SYS_PARAM_H +# include <sys/param.h> /* needed by powerpc-apple-darwin1.3.7 */ +#endif +#if HAVE_SYS_UCRED_H +# include <grp.h> /* needed for definition of NGROUPS */ +# include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */ +#endif +#if HAVE_SYS_MOUNT_H +# include <sys/mount.h> +#endif +#if HAVE_SYS_FS_TYPES_H +# include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */ +#endif +" +AC_CHECK_MEMBERS([struct fsstat.f_fstypename],,,[$getfsstat_includes]) + +# Determine how to get the list of mounted file systems. +ac_list_mounted_fs= + +# If the getmntent function is available but not in the standard library, +# make sure LIBS contains the appropriate -l option. +AC_FUNC_GETMNTENT + +# This test must precede the ones for getmntent because Unicos-9 is +# reported to have the getmntent function, but its support is incompatible +# with other getmntent implementations. + +# NOTE: Normally, I wouldn't use a check for system type as I've done for +# 'CRAY' below since that goes against the whole autoconf philosophy. But +# I think there is too great a chance that some non-Cray system has a +# function named listmntent to risk the false positive. + +if test -z "$ac_list_mounted_fs"; then + # Cray UNICOS 9 + AC_MSG_CHECKING([for listmntent of Cray/Unicos-9]) + AC_CACHE_VAL([fu_cv_sys_mounted_cray_listmntent], + [fu_cv_sys_mounted_cray_listmntent=no + AC_EGREP_CPP([yes], + [#ifdef _CRAY +yes +#endif + ], [test $ac_cv_func_listmntent = yes \ + && fu_cv_sys_mounted_cray_listmntent=yes] + ) + ] + ) + AC_MSG_RESULT([$fu_cv_sys_mounted_cray_listmntent]) + if test $fu_cv_sys_mounted_cray_listmntent = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_LISTMNTENT], [1], + [Define if there is a function named listmntent that can be used to + list all mounted file systems. (UNICOS)]) + fi +fi + +if test -z "$ac_list_mounted_fs"; then + # AIX. + AC_MSG_CHECKING([for mntctl function and struct vmount]) + AC_CACHE_VAL([fu_cv_sys_mounted_vmount], + [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <fshelp.h>]])], + [fu_cv_sys_mounted_vmount=yes], + [fu_cv_sys_mounted_vmount=no])]) + AC_MSG_RESULT([$fu_cv_sys_mounted_vmount]) + if test $fu_cv_sys_mounted_vmount = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_VMOUNT], [1], + [Define if there is a function named mntctl that can be used to read + the list of mounted file systems, and there is a system header file + that declares 'struct vmount'. (AIX)]) + fi +fi + +if test $ac_cv_func_getmntent = yes; then + + # This system has the getmntent function. + # Determine whether it's the one-argument variant or the two-argument one. + + if test -z "$ac_list_mounted_fs"; then + # 4.3BSD, SunOS, HP-UX, Dynix, Irix + AC_MSG_CHECKING([for one-argument getmntent function]) + AC_CACHE_VAL([fu_cv_sys_mounted_getmntent1], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +/* SunOS 4.1.x /usr/include/mntent.h needs this for FILE */ +#include <stdio.h> + +#include <mntent.h> +#if !defined MOUNTED +# if defined _PATH_MOUNTED /* GNU libc */ +# define MOUNTED _PATH_MOUNTED +# endif +# if defined MNT_MNTTAB /* HP-UX. */ +# define MOUNTED MNT_MNTTAB +# endif +# if defined MNTTABNAME /* Dynix. */ +# define MOUNTED MNTTABNAME +# endif +#endif +]], + [[ struct mntent *mnt = 0; char *table = MOUNTED; + if (sizeof mnt && sizeof table) return 0;]])], + [fu_cv_sys_mounted_getmntent1=yes], + [fu_cv_sys_mounted_getmntent1=no])]) + AC_MSG_RESULT([$fu_cv_sys_mounted_getmntent1]) + if test $fu_cv_sys_mounted_getmntent1 = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_GETMNTENT1], [1], + [Define if there is a function named getmntent for reading the list + of mounted file systems, and that function takes a single argument. + (4.3BSD, SunOS, HP-UX, Dynix, Irix)]) + fi + fi + + if test -z "$ac_list_mounted_fs"; then + # SVR4 + AC_MSG_CHECKING([for two-argument getmntent function]) + AC_CACHE_VAL([fu_cv_sys_mounted_getmntent2], + [AC_EGREP_HEADER([getmntent], [sys/mnttab.h], + fu_cv_sys_mounted_getmntent2=yes, + fu_cv_sys_mounted_getmntent2=no)]) + AC_MSG_RESULT([$fu_cv_sys_mounted_getmntent2]) + if test $fu_cv_sys_mounted_getmntent2 = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_GETMNTENT2], [1], + [Define if there is a function named getmntent for reading the list of + mounted file systems, and that function takes two arguments. (SVR4)]) + AC_CHECK_FUNCS([hasmntopt]) + fi + fi + +fi + +if test -z "$ac_list_mounted_fs"; then + # DEC Alpha running OSF/1, and Apple Darwin 1.3. + # powerpc-apple-darwin1.3.7 needs sys/param.h sys/ucred.h sys/fs_types.h + + AC_MSG_CHECKING([for getfsstat function]) + AC_CACHE_VAL([fu_cv_sys_mounted_getfsstat], + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#if HAVE_STRUCT_FSSTAT_F_FSTYPENAME +# define FS_TYPE(Ent) ((Ent).f_fstypename) +#else +# define FS_TYPE(Ent) mnt_names[(Ent).f_type] +#endif +$getfsstat_includes]] +, + [[struct statfs *stats; + int numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT); + char *t = FS_TYPE (*stats); ]])], + [fu_cv_sys_mounted_getfsstat=yes], + [fu_cv_sys_mounted_getfsstat=no])]) + AC_MSG_RESULT([$fu_cv_sys_mounted_getfsstat]) + if test $fu_cv_sys_mounted_getfsstat = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_GETFSSTAT], [1], + [Define if there is a function named getfsstat for reading the + list of mounted file systems. (DEC Alpha running OSF/1)]) + fi +fi + +if test -z "$ac_list_mounted_fs"; then + # SVR3 + AC_MSG_CHECKING([for FIXME existence of three headers]) + AC_CACHE_VAL([fu_cv_sys_mounted_fread_fstyp], + [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[ +#include <sys/statfs.h> +#include <sys/fstyp.h> +#include <mnttab.h>]])], + [fu_cv_sys_mounted_fread_fstyp=yes], + [fu_cv_sys_mounted_fread_fstyp=no])]) + AC_MSG_RESULT([$fu_cv_sys_mounted_fread_fstyp]) + if test $fu_cv_sys_mounted_fread_fstyp = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_FREAD_FSTYP], [1], + [Define if (like SVR2) there is no specific function for reading the + list of mounted file systems, and your system has these header files: + <sys/fstyp.h> and <sys/statfs.h>. (SVR3)]) + fi +fi + +if test -z "$ac_list_mounted_fs"; then + # 4.4BSD and DEC OSF/1. + AC_MSG_CHECKING([for getmntinfo function]) + AC_CACHE_VAL([fu_cv_sys_mounted_getmntinfo], + [ + test "$ac_cv_func_getmntinfo" = yes \ + && fu_cv_sys_mounted_getmntinfo=yes \ + || fu_cv_sys_mounted_getmntinfo=no + ]) + AC_MSG_RESULT([$fu_cv_sys_mounted_getmntinfo]) + if test $fu_cv_sys_mounted_getmntinfo = yes; then + AC_MSG_CHECKING([whether getmntinfo returns statvfs structures]) + AC_CACHE_VAL([fu_cv_sys_mounted_getmntinfo2], + [ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#if HAVE_SYS_PARAM_H +# include <sys/param.h> +#endif +#include <sys/types.h> +#if HAVE_SYS_MOUNT_H +# include <sys/mount.h> +#endif +#if HAVE_SYS_STATVFS_H +# include <sys/statvfs.h> +#endif +extern +#ifdef __cplusplus +"C" +#endif +int getmntinfo (struct statfs **, int); + ]], [])], + [fu_cv_sys_mounted_getmntinfo2=no], + [fu_cv_sys_mounted_getmntinfo2=yes]) + ]) + AC_MSG_RESULT([$fu_cv_sys_mounted_getmntinfo2]) + if test $fu_cv_sys_mounted_getmntinfo2 = no; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_GETMNTINFO], [1], + [Define if there is a function named getmntinfo for reading the + list of mounted file systems and it returns an array of + 'struct statfs'. (4.4BSD, Darwin)]) + else + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_GETMNTINFO2], [1], + [Define if there is a function named getmntinfo for reading the + list of mounted file systems and it returns an array of + 'struct statvfs'. (NetBSD 3.0)]) + fi + fi +fi + +if test -z "$ac_list_mounted_fs"; then + # Ultrix + AC_MSG_CHECKING([for getmnt function]) + AC_CACHE_VAL([fu_cv_sys_mounted_getmnt], + [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[ +#include <sys/fs_types.h> +#include <sys/mount.h>]])], + [fu_cv_sys_mounted_getmnt=yes], + [fu_cv_sys_mounted_getmnt=no])]) + AC_MSG_RESULT([$fu_cv_sys_mounted_getmnt]) + if test $fu_cv_sys_mounted_getmnt = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_GETMNT], [1], + [Define if there is a function named getmnt for reading the list of + mounted file systems. (Ultrix)]) + fi +fi + +if test -z "$ac_list_mounted_fs"; then + # BeOS + AC_CHECK_FUNCS([next_dev fs_stat_dev]) + AC_CHECK_HEADERS([fs_info.h]) + AC_MSG_CHECKING([for BEOS mounted file system support functions]) + if test $ac_cv_header_fs_info_h = yes \ + && test $ac_cv_func_next_dev = yes \ + && test $ac_cv_func_fs_stat_dev = yes; then + fu_result=yes + else + fu_result=no + fi + AC_MSG_RESULT([$fu_result]) + if test $fu_result = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_FS_STAT_DEV], [1], + [Define if there are functions named next_dev and fs_stat_dev for + reading the list of mounted file systems. (BeOS)]) + fi +fi + +if test -z "$ac_list_mounted_fs"; then + # SVR2 + AC_MSG_CHECKING([whether it is possible to resort to fread on /etc/mnttab]) + AC_CACHE_VAL([fu_cv_sys_mounted_fread], + [AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <mnttab.h>]])], + [fu_cv_sys_mounted_fread=yes], + [fu_cv_sys_mounted_fread=no])]) + AC_MSG_RESULT([$fu_cv_sys_mounted_fread]) + if test $fu_cv_sys_mounted_fread = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_FREAD], [1], + [Define if there is no specific function for reading the list of + mounted file systems. fread will be used to read /etc/mnttab. + (SVR2) ]) + fi +fi + +if test -z "$ac_list_mounted_fs"; then + # Interix / BSD alike statvfs + # the code is really interix specific, so make sure, we're on it. + case "$host" in + *-interix*) + AC_CHECK_FUNCS([statvfs]) + if test $ac_cv_func_statvfs = yes; then + ac_list_mounted_fs=found + AC_DEFINE([MOUNTED_INTERIX_STATVFS], [1], + [Define if we are on interix, and ought to use statvfs plus + some special knowledge on where mounted file systems can be + found. (Interix)]) + fi + ;; + esac +fi + +if test -z "$ac_list_mounted_fs"; then + AC_MSG_ERROR([could not determine how to read list of mounted file systems]) + # FIXME -- no need to abort building the whole package + # Can't build mountlist.c or anything that needs its functions +fi + +AS_IF([test $ac_list_mounted_fs = found], [$1], [$2]) + + ]) diff --git a/m4/lseek.m4 b/m4/lseek.m4 new file mode 100644 index 00000000..bdda7f65 --- /dev/null +++ b/m4/lseek.m4 @@ -0,0 +1,71 @@ +# lseek.m4 serial 10 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_LSEEK], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_PROG_CC]) + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CACHE_CHECK([whether lseek detects pipes], [gl_cv_func_lseek_pipe], + [case "$host_os" in + mingw*) + dnl Native Windows. + dnl The result of lseek (fd, (off_t)0, SEEK_CUR) or + dnl SetFilePointer(handle, 0, NULL, FILE_CURRENT) + dnl for a pipe depends on the environment: In a Cygwin 1.5 + dnl environment it succeeds (wrong); in a Cygwin 1.7 environment + dnl it fails with a wrong errno value. + gl_cv_func_lseek_pipe=no + ;; + *) + if test $cross_compiling = no; then + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> /* for off_t */ +#include <stdio.h> /* for SEEK_CUR */ +#if HAVE_UNISTD_H +# include <unistd.h> +#else /* on Windows with MSVC */ +# include <io.h> +#endif +]], [[ + /* Exit with success only if stdin is seekable. */ + return lseek (0, (off_t)0, SEEK_CUR) < 0; +]])], + [if test -s conftest$ac_exeext \ + && ./conftest$ac_exeext < conftest.$ac_ext \ + && test 1 = "`echo hi \ + | { ./conftest$ac_exeext; echo $?; cat >/dev/null; }`"; then + gl_cv_func_lseek_pipe=yes + else + gl_cv_func_lseek_pipe=no + fi + ], + [gl_cv_func_lseek_pipe=no]) + else + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([[ +#if defined __BEOS__ +/* BeOS mistakenly return 0 when trying to seek on pipes. */ + Choke me. +#endif]])], + [gl_cv_func_lseek_pipe=yes], [gl_cv_func_lseek_pipe=no]) + fi + ;; + esac + ]) + if test $gl_cv_func_lseek_pipe = no; then + REPLACE_LSEEK=1 + AC_DEFINE([LSEEK_PIPE_BROKEN], [1], + [Define to 1 if lseek does not detect pipes.]) + fi + + AC_REQUIRE([gl_SYS_TYPES_H]) + if test $WINDOWS_64_BIT_OFF_T = 1; then + REPLACE_LSEEK=1 + fi +]) diff --git a/m4/lstat.m4 b/m4/lstat.m4 new file mode 100644 index 00000000..b7335bda --- /dev/null +++ b/m4/lstat.m4 @@ -0,0 +1,77 @@ +# serial 25 + +# Copyright (C) 1997-2001, 2003-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. + +AC_DEFUN([gl_FUNC_LSTAT], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + dnl If lstat does not exist, the replacement <sys/stat.h> does + dnl "#define lstat stat", and lstat.c is a no-op. + AC_CHECK_FUNCS_ONCE([lstat]) + if test $ac_cv_func_lstat = yes; then + AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *no) + REPLACE_LSTAT=1 + ;; + esac + else + HAVE_LSTAT=0 + fi +]) + +# Prerequisites of lib/lstat.c. +AC_DEFUN([gl_PREREQ_LSTAT], +[ + AC_REQUIRE([AC_C_INLINE]) + : +]) + +AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK], +[ + dnl We don't use AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK any more, because it + dnl is no longer maintained in Autoconf and because it invokes AC_LIBOBJ. + AC_CACHE_CHECK([whether lstat correctly handles trailing slash], + [gl_cv_func_lstat_dereferences_slashed_symlink], + [rm -f conftest.sym conftest.file + echo >conftest.file + if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT], + [[struct stat sbuf; + /* Linux will dereference the symlink and fail, as required by + POSIX. That is better in the sense that it means we will not + have to compile and use the lstat wrapper. */ + return lstat ("conftest.sym/", &sbuf) == 0; + ]])], + [gl_cv_func_lstat_dereferences_slashed_symlink=yes], + [gl_cv_func_lstat_dereferences_slashed_symlink=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;; + esac + ]) + else + # If the 'ln -s' command failed, then we probably don't even + # have an lstat function. + gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" + fi + rm -f conftest.sym conftest.file + ]) + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *yes) + AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1], + [Define to 1 if 'lstat' dereferences a symlink specified + with a trailing slash.]) + ;; + esac +]) diff --git a/m4/malloc.m4 b/m4/malloc.m4 new file mode 100644 index 00000000..8fa48e93 --- /dev/null +++ b/m4/malloc.m4 @@ -0,0 +1,98 @@ +# malloc.m4 serial 14 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +m4_version_prereq([2.70], [] ,[ + +# This is taken from the following Autoconf patch: +# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9 +AC_DEFUN([_AC_FUNC_MALLOC_IF], +[ + AC_REQUIRE([AC_HEADER_STDC])dnl + AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles + AC_CHECK_HEADERS([stdlib.h]) + AC_CACHE_CHECK([for GNU libc compatible malloc], + [ac_cv_func_malloc_0_nonnull], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#if defined STDC_HEADERS || defined HAVE_STDLIB_H + # include <stdlib.h> + #else + char *malloc (); + #endif + ]], + [[return ! malloc (0);]]) + ], + [ac_cv_func_malloc_0_nonnull=yes], + [ac_cv_func_malloc_0_nonnull=no], + [case "$host_os" in + # Guess yes on platforms where we know the result. + *-gnu* | freebsd* | netbsd* | openbsd* \ + | hpux* | solaris* | cygwin* | mingw*) + ac_cv_func_malloc_0_nonnull=yes ;; + # If we don't know, assume the worst. + *) ac_cv_func_malloc_0_nonnull=no ;; + esac + ]) + ]) + AS_IF([test $ac_cv_func_malloc_0_nonnull = yes], [$1], [$2]) +])# _AC_FUNC_MALLOC_IF + +]) + +# gl_FUNC_MALLOC_GNU +# ------------------ +# Test whether 'malloc (0)' is handled like in GNU libc, and replace malloc if +# it is not. +AC_DEFUN([gl_FUNC_MALLOC_GNU], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + dnl _AC_FUNC_MALLOC_IF is defined in Autoconf. + _AC_FUNC_MALLOC_IF( + [AC_DEFINE([HAVE_MALLOC_GNU], [1], + [Define to 1 if your system has a GNU libc compatible 'malloc' + function, and to 0 otherwise.])], + [AC_DEFINE([HAVE_MALLOC_GNU], [0]) + REPLACE_MALLOC=1 + ]) +]) + +# gl_FUNC_MALLOC_POSIX +# -------------------- +# Test whether 'malloc' is POSIX compliant (sets errno to ENOMEM when it +# fails), and replace malloc if it is not. +AC_DEFUN([gl_FUNC_MALLOC_POSIX], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_MALLOC_POSIX]) + if test $gl_cv_func_malloc_posix = yes; then + AC_DEFINE([HAVE_MALLOC_POSIX], [1], + [Define if the 'malloc' function is POSIX compliant.]) + else + REPLACE_MALLOC=1 + fi +]) + +# Test whether malloc, realloc, calloc are POSIX compliant, +# Set gl_cv_func_malloc_posix to yes or no accordingly. +AC_DEFUN([gl_CHECK_MALLOC_POSIX], +[ + AC_CACHE_CHECK([whether malloc, realloc, calloc are POSIX compliant], + [gl_cv_func_malloc_posix], + [ + dnl It is too dangerous to try to allocate a large amount of memory: + dnl some systems go to their knees when you do that. So assume that + dnl all Unix implementations of the function are POSIX compliant. + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[]], + [[#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ + choke me + #endif + ]])], + [gl_cv_func_malloc_posix=yes], + [gl_cv_func_malloc_posix=no]) + ]) +]) diff --git a/m4/malloca.m4 b/m4/malloca.m4 new file mode 100644 index 00000000..7841979f --- /dev/null +++ b/m4/malloca.m4 @@ -0,0 +1,15 @@ +# malloca.m4 serial 1 +dnl Copyright (C) 2003-2004, 2006-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MALLOCA], +[ + dnl Use the autoconf tests for alloca(), but not the AC_SUBSTed variables + dnl @ALLOCA@ and @LTALLOCA@. + dnl gl_FUNC_ALLOCA dnl Already brought in by the module dependencies. + AC_REQUIRE([gl_EEMALLOC]) + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) +]) diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4 new file mode 100644 index 00000000..fd0e3722 --- /dev/null +++ b/m4/manywarnings.m4 @@ -0,0 +1,184 @@ +# manywarnings.m4 serial 3 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Simon Josefsson + +# gl_MANYWARN_COMPLEMENT(OUTVAR, LISTVAR, REMOVEVAR) +# -------------------------------------------------- +# Copy LISTVAR to OUTVAR except for the entries in REMOVEVAR. +# Elements separated by whitespace. In set logic terms, the function +# does OUTVAR = LISTVAR \ REMOVEVAR. +AC_DEFUN([gl_MANYWARN_COMPLEMENT], +[ + gl_warn_set= + set x $2; shift + for gl_warn_item + do + case " $3 " in + *" $gl_warn_item "*) + ;; + *) + gl_warn_set="$gl_warn_set $gl_warn_item" + ;; + esac + done + $1=$gl_warn_set +]) + +# gl_MANYWARN_ALL_GCC(VARIABLE) +# ----------------------------- +# Add all documented GCC warning parameters to variable VARIABLE. +# Note that you need to test them using gl_WARN_ADD if you want to +# make sure your gcc understands it. +AC_DEFUN([gl_MANYWARN_ALL_GCC], +[ + dnl First, check if -Wno-missing-field-initializers is needed. + dnl -Wmissing-field-initializers is implied by -W, but that issues + dnl warnings with GCC version before 4.7, for the common idiom + dnl of initializing types on the stack to zero, using { 0, } + AC_REQUIRE([AC_PROG_CC]) + if test -n "$GCC"; then + + dnl First, check -W -Werror -Wno-missing-field-initializers is supported + dnl with the current $CC $CFLAGS $CPPFLAGS. + AC_MSG_CHECKING([whether -Wno-missing-field-initializers is supported]) + AC_CACHE_VAL([gl_cv_cc_nomfi_supported], [ + gl_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -W -Werror -Wno-missing-field-initializers" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[]], [[]])], + [gl_cv_cc_nomfi_supported=yes], + [gl_cv_cc_nomfi_supported=no]) + CFLAGS="$gl_save_CFLAGS"]) + AC_MSG_RESULT([$gl_cv_cc_nomfi_supported]) + + if test "$gl_cv_cc_nomfi_supported" = yes; then + dnl Now check whether -Wno-missing-field-initializers is needed + dnl for the { 0, } construct. + AC_MSG_CHECKING([whether -Wno-missing-field-initializers is needed]) + AC_CACHE_VAL([gl_cv_cc_nomfi_needed], [ + gl_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -W -Werror" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[void f (void) + { + typedef struct { int a; int b; } s_t; + s_t s1 = { 0, }; + } + ]], + [[]])], + [gl_cv_cc_nomfi_needed=no], + [gl_cv_cc_nomfi_needed=yes]) + CFLAGS="$gl_save_CFLAGS" + ]) + AC_MSG_RESULT([$gl_cv_cc_nomfi_needed]) + fi + fi + + gl_manywarn_set= + for gl_manywarn_item in \ + -Wall \ + -W \ + -Wformat-y2k \ + -Wformat-nonliteral \ + -Wformat-security \ + -Winit-self \ + -Wmissing-include-dirs \ + -Wswitch-default \ + -Wswitch-enum \ + -Wunused \ + -Wunknown-pragmas \ + -Wstrict-aliasing \ + -Wstrict-overflow \ + -Wsystem-headers \ + -Wfloat-equal \ + -Wtraditional \ + -Wtraditional-conversion \ + -Wdeclaration-after-statement \ + -Wundef \ + -Wshadow \ + -Wunsafe-loop-optimizations \ + -Wpointer-arith \ + -Wbad-function-cast \ + -Wc++-compat \ + -Wcast-qual \ + -Wcast-align \ + -Wwrite-strings \ + -Wconversion \ + -Wsign-conversion \ + -Wlogical-op \ + -Waggregate-return \ + -Wstrict-prototypes \ + -Wold-style-definition \ + -Wmissing-prototypes \ + -Wmissing-declarations \ + -Wmissing-noreturn \ + -Wmissing-format-attribute \ + -Wpacked \ + -Wpadded \ + -Wredundant-decls \ + -Wnested-externs \ + -Wunreachable-code \ + -Winline \ + -Winvalid-pch \ + -Wlong-long \ + -Wvla \ + -Wvolatile-register-var \ + -Wdisabled-optimization \ + -Wstack-protector \ + -Woverlength-strings \ + -Wbuiltin-macro-redefined \ + -Wmudflap \ + -Wpacked-bitfield-compat \ + -Wsync-nand \ + ; do + gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item" + done + # The following are not documented in the manual but are included in + # output from gcc --help=warnings. + for gl_manywarn_item in \ + -Wattributes \ + -Wcoverage-mismatch \ + -Wmultichar \ + -Wunused-macros \ + ; do + gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item" + done + # More warnings from gcc 4.6.2 --help=warnings. + for gl_manywarn_item in \ + -Wabi \ + -Wcpp \ + -Wdeprecated \ + -Wdeprecated-declarations \ + -Wdiv-by-zero \ + -Wdouble-promotion \ + -Wendif-labels \ + -Wextra \ + -Wformat-contains-nul \ + -Wformat-extra-args \ + -Wformat-zero-length \ + -Wformat=2 \ + -Wmultichar \ + -Wnormalized=nfc \ + -Woverflow \ + -Wpointer-to-int-cast \ + -Wpragmas \ + -Wsuggest-attribute=const \ + -Wsuggest-attribute=noreturn \ + -Wsuggest-attribute=pure \ + -Wtrampolines \ + ; do + gl_manywarn_set="$gl_manywarn_set $gl_manywarn_item" + done + + # Disable the missing-field-initializers warning if needed + if test "$gl_cv_cc_nomfi_needed" = yes; then + gl_manywarn_set="$gl_manywarn_set -Wno-missing-field-initializers" + fi + + $1=$gl_manywarn_set +]) diff --git a/m4/math_h.m4 b/m4/math_h.m4 new file mode 100644 index 00000000..90d248ae --- /dev/null +++ b/m4/math_h.m4 @@ -0,0 +1,354 @@ +# math_h.m4 serial 113 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MATH_H], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + gl_CHECK_NEXT_HEADERS([math.h]) + AC_REQUIRE([AC_C_INLINE]) + + AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]], + [[/* Solaris 10 has a broken definition of NAN. Other platforms + fail to provide NAN, or provide it only in C99 mode; this + test only needs to fail when NAN is provided but wrong. */ + float f = 1.0f; +#ifdef NAN + f = NAN; +#endif + return f == 0;]])], + [gl_cv_header_math_nan_works=yes], + [gl_cv_header_math_nan_works=no])]) + if test $gl_cv_header_math_nan_works = no; then + REPLACE_NAN=1 + fi + AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]], + [[/* Solaris 10 has a broken definition of HUGE_VAL. */ + double d = HUGE_VAL; + return d == 0;]])], + [gl_cv_header_math_huge_val_works=yes], + [gl_cv_header_math_huge_val_works=no])]) + if test $gl_cv_header_math_huge_val_works = no; then + REPLACE_HUGE_VAL=1 + fi + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <math.h>]], + [acosf acosl asinf asinl atanf atanl + cbrt cbrtf cbrtl ceilf ceill copysign copysignf copysignl cosf cosl coshf + expf expl exp2 exp2f exp2l expm1 expm1f expm1l + fabsf fabsl floorf floorl fma fmaf fmal + fmod fmodf fmodl frexpf frexpl hypotf hypotl + ilogb ilogbf ilogbl + ldexpf ldexpl + log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l + logb logbf logbl + modf modff modfl powf + remainder remainderf remainderl + rint rintf rintl round roundf roundl sinf sinl sinhf sqrtf sqrtl + tanf tanl tanhf trunc truncf truncl]) +]) + +AC_DEFUN([gl_MATH_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_MATH_H_DEFAULTS], +[ + GNULIB_ACOSF=0; AC_SUBST([GNULIB_ACOSF]) + GNULIB_ACOSL=0; AC_SUBST([GNULIB_ACOSL]) + GNULIB_ASINF=0; AC_SUBST([GNULIB_ASINF]) + GNULIB_ASINL=0; AC_SUBST([GNULIB_ASINL]) + GNULIB_ATANF=0; AC_SUBST([GNULIB_ATANF]) + GNULIB_ATANL=0; AC_SUBST([GNULIB_ATANL]) + GNULIB_ATAN2F=0; AC_SUBST([GNULIB_ATAN2F]) + GNULIB_CBRT=0; AC_SUBST([GNULIB_CBRT]) + GNULIB_CBRTF=0; AC_SUBST([GNULIB_CBRTF]) + GNULIB_CBRTL=0; AC_SUBST([GNULIB_CBRTL]) + GNULIB_CEIL=0; AC_SUBST([GNULIB_CEIL]) + GNULIB_CEILF=0; AC_SUBST([GNULIB_CEILF]) + GNULIB_CEILL=0; AC_SUBST([GNULIB_CEILL]) + GNULIB_COPYSIGN=0; AC_SUBST([GNULIB_COPYSIGN]) + GNULIB_COPYSIGNF=0; AC_SUBST([GNULIB_COPYSIGNF]) + GNULIB_COPYSIGNL=0; AC_SUBST([GNULIB_COPYSIGNL]) + GNULIB_COSF=0; AC_SUBST([GNULIB_COSF]) + GNULIB_COSL=0; AC_SUBST([GNULIB_COSL]) + GNULIB_COSHF=0; AC_SUBST([GNULIB_COSHF]) + GNULIB_EXPF=0; AC_SUBST([GNULIB_EXPF]) + GNULIB_EXPL=0; AC_SUBST([GNULIB_EXPL]) + GNULIB_EXP2=0; AC_SUBST([GNULIB_EXP2]) + GNULIB_EXP2F=0; AC_SUBST([GNULIB_EXP2F]) + GNULIB_EXP2L=0; AC_SUBST([GNULIB_EXP2L]) + GNULIB_EXPM1=0; AC_SUBST([GNULIB_EXPM1]) + GNULIB_EXPM1F=0; AC_SUBST([GNULIB_EXPM1F]) + GNULIB_EXPM1L=0; AC_SUBST([GNULIB_EXPM1L]) + GNULIB_FABSF=0; AC_SUBST([GNULIB_FABSF]) + GNULIB_FABSL=0; AC_SUBST([GNULIB_FABSL]) + GNULIB_FLOOR=0; AC_SUBST([GNULIB_FLOOR]) + GNULIB_FLOORF=0; AC_SUBST([GNULIB_FLOORF]) + GNULIB_FLOORL=0; AC_SUBST([GNULIB_FLOORL]) + GNULIB_FMA=0; AC_SUBST([GNULIB_FMA]) + GNULIB_FMAF=0; AC_SUBST([GNULIB_FMAF]) + GNULIB_FMAL=0; AC_SUBST([GNULIB_FMAL]) + GNULIB_FMOD=0; AC_SUBST([GNULIB_FMOD]) + GNULIB_FMODF=0; AC_SUBST([GNULIB_FMODF]) + GNULIB_FMODL=0; AC_SUBST([GNULIB_FMODL]) + GNULIB_FREXPF=0; AC_SUBST([GNULIB_FREXPF]) + GNULIB_FREXP=0; AC_SUBST([GNULIB_FREXP]) + GNULIB_FREXPL=0; AC_SUBST([GNULIB_FREXPL]) + GNULIB_HYPOT=0; AC_SUBST([GNULIB_HYPOT]) + GNULIB_HYPOTF=0; AC_SUBST([GNULIB_HYPOTF]) + GNULIB_HYPOTL=0; AC_SUBST([GNULIB_HYPOTL]) + GNULIB_ILOGB=0; AC_SUBST([GNULIB_ILOGB]) + GNULIB_ILOGBF=0; AC_SUBST([GNULIB_ILOGBF]) + GNULIB_ILOGBL=0; AC_SUBST([GNULIB_ILOGBL]) + GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE]) + GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF]) + GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN]) + GNULIB_ISNANF=0; AC_SUBST([GNULIB_ISNANF]) + GNULIB_ISNAND=0; AC_SUBST([GNULIB_ISNAND]) + GNULIB_ISNANL=0; AC_SUBST([GNULIB_ISNANL]) + GNULIB_LDEXPF=0; AC_SUBST([GNULIB_LDEXPF]) + GNULIB_LDEXPL=0; AC_SUBST([GNULIB_LDEXPL]) + GNULIB_LOG=0; AC_SUBST([GNULIB_LOG]) + GNULIB_LOGF=0; AC_SUBST([GNULIB_LOGF]) + GNULIB_LOGL=0; AC_SUBST([GNULIB_LOGL]) + GNULIB_LOG10=0; AC_SUBST([GNULIB_LOG10]) + GNULIB_LOG10F=0; AC_SUBST([GNULIB_LOG10F]) + GNULIB_LOG10L=0; AC_SUBST([GNULIB_LOG10L]) + GNULIB_LOG1P=0; AC_SUBST([GNULIB_LOG1P]) + GNULIB_LOG1PF=0; AC_SUBST([GNULIB_LOG1PF]) + GNULIB_LOG1PL=0; AC_SUBST([GNULIB_LOG1PL]) + GNULIB_LOG2=0; AC_SUBST([GNULIB_LOG2]) + GNULIB_LOG2F=0; AC_SUBST([GNULIB_LOG2F]) + GNULIB_LOG2L=0; AC_SUBST([GNULIB_LOG2L]) + GNULIB_LOGB=0; AC_SUBST([GNULIB_LOGB]) + GNULIB_LOGBF=0; AC_SUBST([GNULIB_LOGBF]) + GNULIB_LOGBL=0; AC_SUBST([GNULIB_LOGBL]) + GNULIB_MODF=0; AC_SUBST([GNULIB_MODF]) + GNULIB_MODFF=0; AC_SUBST([GNULIB_MODFF]) + GNULIB_MODFL=0; AC_SUBST([GNULIB_MODFL]) + GNULIB_POWF=0; AC_SUBST([GNULIB_POWF]) + GNULIB_REMAINDER=0; AC_SUBST([GNULIB_REMAINDER]) + GNULIB_REMAINDERF=0; AC_SUBST([GNULIB_REMAINDERF]) + GNULIB_REMAINDERL=0; AC_SUBST([GNULIB_REMAINDERL]) + GNULIB_RINT=0; AC_SUBST([GNULIB_RINT]) + GNULIB_RINTF=0; AC_SUBST([GNULIB_RINTF]) + GNULIB_RINTL=0; AC_SUBST([GNULIB_RINTL]) + GNULIB_ROUND=0; AC_SUBST([GNULIB_ROUND]) + GNULIB_ROUNDF=0; AC_SUBST([GNULIB_ROUNDF]) + GNULIB_ROUNDL=0; AC_SUBST([GNULIB_ROUNDL]) + GNULIB_SIGNBIT=0; AC_SUBST([GNULIB_SIGNBIT]) + GNULIB_SINF=0; AC_SUBST([GNULIB_SINF]) + GNULIB_SINL=0; AC_SUBST([GNULIB_SINL]) + GNULIB_SINHF=0; AC_SUBST([GNULIB_SINHF]) + GNULIB_SQRTF=0; AC_SUBST([GNULIB_SQRTF]) + GNULIB_SQRTL=0; AC_SUBST([GNULIB_SQRTL]) + GNULIB_TANF=0; AC_SUBST([GNULIB_TANF]) + GNULIB_TANL=0; AC_SUBST([GNULIB_TANL]) + GNULIB_TANHF=0; AC_SUBST([GNULIB_TANHF]) + GNULIB_TRUNC=0; AC_SUBST([GNULIB_TRUNC]) + GNULIB_TRUNCF=0; AC_SUBST([GNULIB_TRUNCF]) + GNULIB_TRUNCL=0; AC_SUBST([GNULIB_TRUNCL]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_ACOSF=1; AC_SUBST([HAVE_ACOSF]) + HAVE_ACOSL=1; AC_SUBST([HAVE_ACOSL]) + HAVE_ASINF=1; AC_SUBST([HAVE_ASINF]) + HAVE_ASINL=1; AC_SUBST([HAVE_ASINL]) + HAVE_ATANF=1; AC_SUBST([HAVE_ATANF]) + HAVE_ATANL=1; AC_SUBST([HAVE_ATANL]) + HAVE_ATAN2F=1; AC_SUBST([HAVE_ATAN2F]) + HAVE_CBRT=1; AC_SUBST([HAVE_CBRT]) + HAVE_CBRTF=1; AC_SUBST([HAVE_CBRTF]) + HAVE_CBRTL=1; AC_SUBST([HAVE_CBRTL]) + HAVE_COPYSIGN=1; AC_SUBST([HAVE_COPYSIGN]) + HAVE_COPYSIGNL=1; AC_SUBST([HAVE_COPYSIGNL]) + HAVE_COSF=1; AC_SUBST([HAVE_COSF]) + HAVE_COSL=1; AC_SUBST([HAVE_COSL]) + HAVE_COSHF=1; AC_SUBST([HAVE_COSHF]) + HAVE_EXPF=1; AC_SUBST([HAVE_EXPF]) + HAVE_EXPL=1; AC_SUBST([HAVE_EXPL]) + HAVE_EXPM1=1; AC_SUBST([HAVE_EXPM1]) + HAVE_EXPM1F=1; AC_SUBST([HAVE_EXPM1F]) + HAVE_FABSF=1; AC_SUBST([HAVE_FABSF]) + HAVE_FABSL=1; AC_SUBST([HAVE_FABSL]) + HAVE_FMA=1; AC_SUBST([HAVE_FMA]) + HAVE_FMAF=1; AC_SUBST([HAVE_FMAF]) + HAVE_FMAL=1; AC_SUBST([HAVE_FMAL]) + HAVE_FMODF=1; AC_SUBST([HAVE_FMODF]) + HAVE_FMODL=1; AC_SUBST([HAVE_FMODL]) + HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF]) + HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF]) + HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL]) + HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB]) + HAVE_ILOGBF=1; AC_SUBST([HAVE_ILOGBF]) + HAVE_ILOGBL=1; AC_SUBST([HAVE_ILOGBL]) + HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF]) + HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND]) + HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL]) + HAVE_LDEXPF=1; AC_SUBST([HAVE_LDEXPF]) + HAVE_LOGF=1; AC_SUBST([HAVE_LOGF]) + HAVE_LOGL=1; AC_SUBST([HAVE_LOGL]) + HAVE_LOG10F=1; AC_SUBST([HAVE_LOG10F]) + HAVE_LOG10L=1; AC_SUBST([HAVE_LOG10L]) + HAVE_LOG1P=1; AC_SUBST([HAVE_LOG1P]) + HAVE_LOG1PF=1; AC_SUBST([HAVE_LOG1PF]) + HAVE_LOG1PL=1; AC_SUBST([HAVE_LOG1PL]) + HAVE_LOGBF=1; AC_SUBST([HAVE_LOGBF]) + HAVE_LOGBL=1; AC_SUBST([HAVE_LOGBL]) + HAVE_MODFF=1; AC_SUBST([HAVE_MODFF]) + HAVE_MODFL=1; AC_SUBST([HAVE_MODFL]) + HAVE_POWF=1; AC_SUBST([HAVE_POWF]) + HAVE_REMAINDER=1; AC_SUBST([HAVE_REMAINDER]) + HAVE_REMAINDERF=1; AC_SUBST([HAVE_REMAINDERF]) + HAVE_RINT=1; AC_SUBST([HAVE_RINT]) + HAVE_RINTL=1; AC_SUBST([HAVE_RINTL]) + HAVE_SINF=1; AC_SUBST([HAVE_SINF]) + HAVE_SINL=1; AC_SUBST([HAVE_SINL]) + HAVE_SINHF=1; AC_SUBST([HAVE_SINHF]) + HAVE_SQRTF=1; AC_SUBST([HAVE_SQRTF]) + HAVE_SQRTL=1; AC_SUBST([HAVE_SQRTL]) + HAVE_TANF=1; AC_SUBST([HAVE_TANF]) + HAVE_TANL=1; AC_SUBST([HAVE_TANL]) + HAVE_TANHF=1; AC_SUBST([HAVE_TANHF]) + HAVE_DECL_ACOSL=1; AC_SUBST([HAVE_DECL_ACOSL]) + HAVE_DECL_ASINL=1; AC_SUBST([HAVE_DECL_ASINL]) + HAVE_DECL_ATANL=1; AC_SUBST([HAVE_DECL_ATANL]) + HAVE_DECL_CBRTF=1; AC_SUBST([HAVE_DECL_CBRTF]) + HAVE_DECL_CBRTL=1; AC_SUBST([HAVE_DECL_CBRTL]) + HAVE_DECL_CEILF=1; AC_SUBST([HAVE_DECL_CEILF]) + HAVE_DECL_CEILL=1; AC_SUBST([HAVE_DECL_CEILL]) + HAVE_DECL_COPYSIGNF=1; AC_SUBST([HAVE_DECL_COPYSIGNF]) + HAVE_DECL_COSL=1; AC_SUBST([HAVE_DECL_COSL]) + HAVE_DECL_EXPL=1; AC_SUBST([HAVE_DECL_EXPL]) + HAVE_DECL_EXP2=1; AC_SUBST([HAVE_DECL_EXP2]) + HAVE_DECL_EXP2F=1; AC_SUBST([HAVE_DECL_EXP2F]) + HAVE_DECL_EXP2L=1; AC_SUBST([HAVE_DECL_EXP2L]) + HAVE_DECL_EXPM1L=1; AC_SUBST([HAVE_DECL_EXPM1L]) + HAVE_DECL_FLOORF=1; AC_SUBST([HAVE_DECL_FLOORF]) + HAVE_DECL_FLOORL=1; AC_SUBST([HAVE_DECL_FLOORL]) + HAVE_DECL_FREXPL=1; AC_SUBST([HAVE_DECL_FREXPL]) + HAVE_DECL_LDEXPL=1; AC_SUBST([HAVE_DECL_LDEXPL]) + HAVE_DECL_LOGL=1; AC_SUBST([HAVE_DECL_LOGL]) + HAVE_DECL_LOG10L=1; AC_SUBST([HAVE_DECL_LOG10L]) + HAVE_DECL_LOG2=1; AC_SUBST([HAVE_DECL_LOG2]) + HAVE_DECL_LOG2F=1; AC_SUBST([HAVE_DECL_LOG2F]) + HAVE_DECL_LOG2L=1; AC_SUBST([HAVE_DECL_LOG2L]) + HAVE_DECL_LOGB=1; AC_SUBST([HAVE_DECL_LOGB]) + HAVE_DECL_REMAINDER=1; AC_SUBST([HAVE_DECL_REMAINDER]) + HAVE_DECL_REMAINDERL=1; AC_SUBST([HAVE_DECL_REMAINDERL]) + HAVE_DECL_RINTF=1; AC_SUBST([HAVE_DECL_RINTF]) + HAVE_DECL_ROUND=1; AC_SUBST([HAVE_DECL_ROUND]) + HAVE_DECL_ROUNDF=1; AC_SUBST([HAVE_DECL_ROUNDF]) + HAVE_DECL_ROUNDL=1; AC_SUBST([HAVE_DECL_ROUNDL]) + HAVE_DECL_SINL=1; AC_SUBST([HAVE_DECL_SINL]) + HAVE_DECL_SQRTL=1; AC_SUBST([HAVE_DECL_SQRTL]) + HAVE_DECL_TANL=1; AC_SUBST([HAVE_DECL_TANL]) + HAVE_DECL_TRUNC=1; AC_SUBST([HAVE_DECL_TRUNC]) + HAVE_DECL_TRUNCF=1; AC_SUBST([HAVE_DECL_TRUNCF]) + HAVE_DECL_TRUNCL=1; AC_SUBST([HAVE_DECL_TRUNCL]) + REPLACE_CBRTF=0; AC_SUBST([REPLACE_CBRTF]) + REPLACE_CBRTL=0; AC_SUBST([REPLACE_CBRTL]) + REPLACE_CEIL=0; AC_SUBST([REPLACE_CEIL]) + REPLACE_CEILF=0; AC_SUBST([REPLACE_CEILF]) + REPLACE_CEILL=0; AC_SUBST([REPLACE_CEILL]) + REPLACE_EXPM1=0; AC_SUBST([REPLACE_EXPM1]) + REPLACE_EXPM1F=0; AC_SUBST([REPLACE_EXPM1F]) + REPLACE_EXP2=0; AC_SUBST([REPLACE_EXP2]) + REPLACE_EXP2L=0; AC_SUBST([REPLACE_EXP2L]) + REPLACE_FABSL=0; AC_SUBST([REPLACE_FABSL]) + REPLACE_FLOOR=0; AC_SUBST([REPLACE_FLOOR]) + REPLACE_FLOORF=0; AC_SUBST([REPLACE_FLOORF]) + REPLACE_FLOORL=0; AC_SUBST([REPLACE_FLOORL]) + REPLACE_FMA=0; AC_SUBST([REPLACE_FMA]) + REPLACE_FMAF=0; AC_SUBST([REPLACE_FMAF]) + REPLACE_FMAL=0; AC_SUBST([REPLACE_FMAL]) + REPLACE_FMOD=0; AC_SUBST([REPLACE_FMOD]) + REPLACE_FMODF=0; AC_SUBST([REPLACE_FMODF]) + REPLACE_FMODL=0; AC_SUBST([REPLACE_FMODL]) + REPLACE_FREXPF=0; AC_SUBST([REPLACE_FREXPF]) + REPLACE_FREXP=0; AC_SUBST([REPLACE_FREXP]) + REPLACE_FREXPL=0; AC_SUBST([REPLACE_FREXPL]) + REPLACE_HUGE_VAL=0; AC_SUBST([REPLACE_HUGE_VAL]) + REPLACE_HYPOT=0; AC_SUBST([REPLACE_HYPOT]) + REPLACE_HYPOTF=0; AC_SUBST([REPLACE_HYPOTF]) + REPLACE_HYPOTL=0; AC_SUBST([REPLACE_HYPOTL]) + REPLACE_ILOGB=0; AC_SUBST([REPLACE_ILOGB]) + REPLACE_ILOGBF=0; AC_SUBST([REPLACE_ILOGBF]) + REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE]) + REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF]) + REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN]) + REPLACE_LDEXPL=0; AC_SUBST([REPLACE_LDEXPL]) + REPLACE_LOG=0; AC_SUBST([REPLACE_LOG]) + REPLACE_LOGF=0; AC_SUBST([REPLACE_LOGF]) + REPLACE_LOGL=0; AC_SUBST([REPLACE_LOGL]) + REPLACE_LOG10=0; AC_SUBST([REPLACE_LOG10]) + REPLACE_LOG10F=0; AC_SUBST([REPLACE_LOG10F]) + REPLACE_LOG10L=0; AC_SUBST([REPLACE_LOG10L]) + REPLACE_LOG1P=0; AC_SUBST([REPLACE_LOG1P]) + REPLACE_LOG1PF=0; AC_SUBST([REPLACE_LOG1PF]) + REPLACE_LOG1PL=0; AC_SUBST([REPLACE_LOG1PL]) + REPLACE_LOG2=0; AC_SUBST([REPLACE_LOG2]) + REPLACE_LOG2F=0; AC_SUBST([REPLACE_LOG2F]) + REPLACE_LOG2L=0; AC_SUBST([REPLACE_LOG2L]) + REPLACE_LOGB=0; AC_SUBST([REPLACE_LOGB]) + REPLACE_LOGBF=0; AC_SUBST([REPLACE_LOGBF]) + REPLACE_LOGBL=0; AC_SUBST([REPLACE_LOGBL]) + REPLACE_MODF=0; AC_SUBST([REPLACE_MODF]) + REPLACE_MODFF=0; AC_SUBST([REPLACE_MODFF]) + REPLACE_MODFL=0; AC_SUBST([REPLACE_MODFL]) + REPLACE_NAN=0; AC_SUBST([REPLACE_NAN]) + REPLACE_REMAINDER=0; AC_SUBST([REPLACE_REMAINDER]) + REPLACE_REMAINDERF=0; AC_SUBST([REPLACE_REMAINDERF]) + REPLACE_REMAINDERL=0; AC_SUBST([REPLACE_REMAINDERL]) + REPLACE_ROUND=0; AC_SUBST([REPLACE_ROUND]) + REPLACE_ROUNDF=0; AC_SUBST([REPLACE_ROUNDF]) + REPLACE_ROUNDL=0; AC_SUBST([REPLACE_ROUNDL]) + REPLACE_SIGNBIT=0; AC_SUBST([REPLACE_SIGNBIT]) + REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC]) + REPLACE_SQRTL=0; AC_SUBST([REPLACE_SQRTL]) + REPLACE_TRUNC=0; AC_SUBST([REPLACE_TRUNC]) + REPLACE_TRUNCF=0; AC_SUBST([REPLACE_TRUNCF]) + REPLACE_TRUNCL=0; AC_SUBST([REPLACE_TRUNCL]) +]) + +# gl_LONG_DOUBLE_VS_DOUBLE +# determines whether 'long double' and 'double' have the same representation. +# Sets variable HAVE_SAME_LONG_DOUBLE_AS_DOUBLE to 0 or 1, and defines +# HAVE_SAME_LONG_DOUBLE_AS_DOUBLE accordingly. +# The currently known platforms where this is the case are: +# Linux/HPPA, Minix 3.1.8, AIX 5, AIX 6 and 7 with xlc, MSVC 9. +AC_DEFUN([gl_LONG_DOUBLE_VS_DOUBLE], +[ + AC_CACHE_CHECK([whether long double and double are the same], + [gl_cv_long_double_equals_double], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <float.h>]], + [[typedef int check[sizeof (long double) == sizeof (double) + && LDBL_MANT_DIG == DBL_MANT_DIG + && LDBL_MAX_EXP == DBL_MAX_EXP + && LDBL_MIN_EXP == DBL_MIN_EXP + ? 1 : -1]; + ]])], + [gl_cv_long_double_equals_double=yes], + [gl_cv_long_double_equals_double=no]) + ]) + if test $gl_cv_long_double_equals_double = yes; then + AC_DEFINE([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE], [1], + [Define to 1 if 'long double' and 'double' have the same representation.]) + HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=1 + else + HAVE_SAME_LONG_DOUBLE_AS_DOUBLE=0 + fi + AC_SUBST([HAVE_SAME_LONG_DOUBLE_AS_DOUBLE]) +]) diff --git a/m4/mbchar.m4 b/m4/mbchar.m4 new file mode 100644 index 00000000..77af4b4a --- /dev/null +++ b/m4/mbchar.m4 @@ -0,0 +1,14 @@ +# mbchar.m4 serial 8 +dnl Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl autoconf tests required for use of mbchar.m4 +dnl From Bruno Haible. + +AC_DEFUN([gl_MBCHAR], +[ + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/mbiter.m4 b/m4/mbiter.m4 new file mode 100644 index 00000000..42e05b82 --- /dev/null +++ b/m4/mbiter.m4 @@ -0,0 +1,15 @@ +# mbiter.m4 serial 6 +dnl Copyright (C) 2005, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl autoconf tests required for use of mbiter.h +dnl From Bruno Haible. + +AC_DEFUN([gl_MBITER], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + : +]) diff --git a/m4/mbrlen.m4 b/m4/mbrlen.m4 new file mode 100644 index 00000000..8bf07569 --- /dev/null +++ b/m4/mbrlen.m4 @@ -0,0 +1,233 @@ +# mbrlen.m4 serial 8 +dnl Copyright (C) 2008, 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MBRLEN], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + AC_REQUIRE([gl_FUNC_MBRTOWC]) + AC_CHECK_FUNCS_ONCE([mbrlen]) + if test $ac_cv_func_mbrlen = no; then + HAVE_MBRLEN=0 + AC_CHECK_DECLS([mbrlen],,, [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +]]) + if test $ac_cv_have_decl_mbrlen = yes; then + dnl On Minix 3.1.8, the system's <wchar.h> declares mbrlen() although + dnl it does not have the function. Avoid a collision with gnulib's + dnl replacement. + REPLACE_MBRLEN=1 + fi + else + dnl Most bugs affecting the system's mbrtowc function also affect the + dnl mbrlen function. So override mbrlen whenever mbrtowc is overridden. + dnl We could also run the individual tests below; the results would be + dnl the same. + if test $REPLACE_MBRTOWC = 1; then + REPLACE_MBRLEN=1 + fi + fi +]) + +dnl Test whether mbrlen puts the state into non-initial state when parsing an +dnl incomplete multibyte character. +dnl Result is gl_cv_func_mbrlen_incomplete_state. + +AC_DEFUN([gl_MBRLEN_INCOMPLETE_STATE], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_JA]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrlen handles incomplete characters], + [gl_cv_func_mbrlen_incomplete_state], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on AIX and OSF/1. + aix* | osf*) gl_cv_func_mbrlen_incomplete_state="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrlen_incomplete_state="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_JA != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) + { + const char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */ + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrlen (input + 1, 1, &state) == (size_t)(-2)) + if (mbsinit (&state)) + return 1; + } + return 0; +}]])], + [gl_cv_func_mbrlen_incomplete_state=yes], + [gl_cv_func_mbrlen_incomplete_state=no], + []) + fi + ]) +]) + +dnl Test whether mbrlen, when parsing the end of a multibyte character, +dnl correctly returns the number of bytes that were needed to complete the +dnl character (not the total number of bytes of the multibyte character). +dnl Result is gl_cv_func_mbrlen_retval. + +AC_DEFUN([gl_MBRLEN_RETVAL], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + AC_REQUIRE([gt_LOCALE_JA]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrlen has a correct return value], + [gl_cv_func_mbrlen_retval], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on HP-UX and Solaris. + hpux* | solaris*) gl_cv_func_mbrlen_retval="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrlen_retval="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + int result = 0; + /* This fails on Solaris. */ + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + char input[] = "B\303\274\303\237er"; /* "Büßer" */ + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrlen (input + 1, 1, &state) == (size_t)(-2)) + { + input[1] = '\0'; + if (mbrlen (input + 2, 5, &state) != 1) + result |= 1; + } + } + /* This fails on HP-UX 11.11. */ + if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) + { + char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */ + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrlen (input + 1, 1, &state) == (size_t)(-2)) + { + input[1] = '\0'; + if (mbrlen (input + 2, 5, &state) != 2) + result |= 2; + } + } + return result; +}]])], + [gl_cv_func_mbrlen_retval=yes], + [gl_cv_func_mbrlen_retval=no], + []) + fi + ]) +]) + +dnl Test whether mbrlen, when parsing a NUL character, correctly returns 0. +dnl Result is gl_cv_func_mbrlen_nul_retval. + +AC_DEFUN([gl_MBRLEN_NUL_RETVAL], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_ZH_CN]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrlen returns 0 when parsing a NUL character], + [gl_cv_func_mbrlen_nul_retval], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on Solaris 9. + solaris2.9) gl_cv_func_mbrlen_nul_retval="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrlen_nul_retval="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_ZH_CN != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + /* This crashes on Solaris 9 inside __mbrtowc_dense_gb18030. */ + if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL) + { + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrlen ("", 1, &state) != 0) + return 1; + } + return 0; +}]])], + [gl_cv_func_mbrlen_nul_retval=yes], + [gl_cv_func_mbrlen_nul_retval=no], + []) + fi + ]) +]) + +# Prerequisites of lib/mbrlen.c. +AC_DEFUN([gl_PREREQ_MBRLEN], [ + : +]) diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4 new file mode 100644 index 00000000..8f829c8e --- /dev/null +++ b/m4/mbrtowc.m4 @@ -0,0 +1,572 @@ +# mbrtowc.m4 serial 25 +dnl Copyright (C) 2001-2002, 2004-2005, 2008-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MBRTOWC], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + gl_MBSTATE_T_BROKEN + + AC_CHECK_FUNCS_ONCE([mbrtowc]) + if test $ac_cv_func_mbrtowc = no; then + HAVE_MBRTOWC=0 + AC_CHECK_DECLS([mbrtowc],,, [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +]]) + if test $ac_cv_have_decl_mbrtowc = yes; then + dnl On Minix 3.1.8, the system's <wchar.h> declares mbrtowc() although + dnl it does not have the function. Avoid a collision with gnulib's + dnl replacement. + REPLACE_MBRTOWC=1 + fi + else + if test $REPLACE_MBSTATE_T = 1; then + REPLACE_MBRTOWC=1 + else + gl_MBRTOWC_NULL_ARG1 + gl_MBRTOWC_NULL_ARG2 + gl_MBRTOWC_RETVAL + gl_MBRTOWC_NUL_RETVAL + case "$gl_cv_func_mbrtowc_null_arg1" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_NULL_ARG1_BUG], [1], + [Define if the mbrtowc function has the NULL pwc argument bug.]) + REPLACE_MBRTOWC=1 + ;; + esac + case "$gl_cv_func_mbrtowc_null_arg2" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_NULL_ARG2_BUG], [1], + [Define if the mbrtowc function has the NULL string argument bug.]) + REPLACE_MBRTOWC=1 + ;; + esac + case "$gl_cv_func_mbrtowc_retval" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_RETVAL_BUG], [1], + [Define if the mbrtowc function returns a wrong return value.]) + REPLACE_MBRTOWC=1 + ;; + esac + case "$gl_cv_func_mbrtowc_nul_retval" in + *yes) ;; + *) AC_DEFINE([MBRTOWC_NUL_RETVAL_BUG], [1], + [Define if the mbrtowc function does not return 0 for a NUL character.]) + REPLACE_MBRTOWC=1 + ;; + esac + fi + fi +]) + +dnl Test whether mbsinit() and mbrtowc() need to be overridden in a way that +dnl redefines the semantics of the given mbstate_t type. +dnl Result is REPLACE_MBSTATE_T. +dnl When this is set to 1, we replace both mbsinit() and mbrtowc(), in order to +dnl avoid inconsistencies. + +AC_DEFUN([gl_MBSTATE_T_BROKEN], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + AC_CHECK_FUNCS_ONCE([mbsinit]) + AC_CHECK_FUNCS_ONCE([mbrtowc]) + if test $ac_cv_func_mbsinit = yes && test $ac_cv_func_mbrtowc = yes; then + gl_MBRTOWC_INCOMPLETE_STATE + gl_MBRTOWC_SANITYCHECK + REPLACE_MBSTATE_T=0 + case "$gl_cv_func_mbrtowc_incomplete_state" in + *yes) ;; + *) REPLACE_MBSTATE_T=1 ;; + esac + case "$gl_cv_func_mbrtowc_sanitycheck" in + *yes) ;; + *) REPLACE_MBSTATE_T=1 ;; + esac + else + REPLACE_MBSTATE_T=1 + fi +]) + +dnl Test whether mbrtowc puts the state into non-initial state when parsing an +dnl incomplete multibyte character. +dnl Result is gl_cv_func_mbrtowc_incomplete_state. + +AC_DEFUN([gl_MBRTOWC_INCOMPLETE_STATE], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_JA]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrtowc handles incomplete characters], + [gl_cv_func_mbrtowc_incomplete_state], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on AIX and OSF/1. + aix* | osf*) gl_cv_func_mbrtowc_incomplete_state="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_incomplete_state="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_JA != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) + { + const char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2)) + if (mbsinit (&state)) + return 1; + } + return 0; +}]])], + [gl_cv_func_mbrtowc_incomplete_state=yes], + [gl_cv_func_mbrtowc_incomplete_state=no], + [:]) + fi + ]) +]) + +dnl Test whether mbrtowc works not worse than mbtowc. +dnl Result is gl_cv_func_mbrtowc_sanitycheck. + +AC_DEFUN([gl_MBRTOWC_SANITYCHECK], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_ZH_CN]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrtowc works as well as mbtowc], + [gl_cv_func_mbrtowc_sanitycheck], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on Solaris 8. + solaris2.8) gl_cv_func_mbrtowc_sanitycheck="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_sanitycheck="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_ZH_CN != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <stdlib.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + /* This fails on Solaris 8: + mbrtowc returns 2, and sets wc to 0x00F0. + mbtowc returns 4 (correct) and sets wc to 0x5EDC. */ + if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL) + { + char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 3, 6, &state) != 4 + && mbtowc (&wc, input + 3, 6) == 4) + return 1; + } + return 0; +}]])], + [gl_cv_func_mbrtowc_sanitycheck=yes], + [gl_cv_func_mbrtowc_sanitycheck=no], + [:]) + fi + ]) +]) + +dnl Test whether mbrtowc supports a NULL pwc argument correctly. +dnl Result is gl_cv_func_mbrtowc_null_arg1. + +AC_DEFUN([gl_MBRTOWC_NULL_ARG1], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrtowc handles a NULL pwc argument], + [gl_cv_func_mbrtowc_null_arg1], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on Solaris. + solaris*) gl_cv_func_mbrtowc_null_arg1="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_null_arg1="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR_UTF8 != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <stdlib.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + int result = 0; + + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + char input[] = "\303\237er"; + mbstate_t state; + wchar_t wc; + size_t ret; + + memset (&state, '\0', sizeof (mbstate_t)); + wc = (wchar_t) 0xBADFACE; + ret = mbrtowc (&wc, input, 5, &state); + if (ret != 2) + result |= 1; + if (!mbsinit (&state)) + result |= 2; + + memset (&state, '\0', sizeof (mbstate_t)); + ret = mbrtowc (NULL, input, 5, &state); + if (ret != 2) /* Solaris 7 fails here: ret is -1. */ + result |= 4; + if (!mbsinit (&state)) + result |= 8; + } + return result; +}]])], + [gl_cv_func_mbrtowc_null_arg1=yes], + [gl_cv_func_mbrtowc_null_arg1=no], + [:]) + fi + ]) +]) + +dnl Test whether mbrtowc supports a NULL string argument correctly. +dnl Result is gl_cv_func_mbrtowc_null_arg2. + +AC_DEFUN([gl_MBRTOWC_NULL_ARG2], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrtowc handles a NULL string argument], + [gl_cv_func_mbrtowc_null_arg2], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on OSF/1. + osf*) gl_cv_func_mbrtowc_null_arg2="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_null_arg2="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR_UTF8 != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + mbstate_t state; + wchar_t wc; + int ret; + + memset (&state, '\0', sizeof (mbstate_t)); + wc = (wchar_t) 0xBADFACE; + mbrtowc (&wc, NULL, 5, &state); + /* Check that wc was not modified. */ + if (wc != (wchar_t) 0xBADFACE) + return 1; + } + return 0; +}]])], + [gl_cv_func_mbrtowc_null_arg2=yes], + [gl_cv_func_mbrtowc_null_arg2=no], + [:]) + fi + ]) +]) + +dnl Test whether mbrtowc, when parsing the end of a multibyte character, +dnl correctly returns the number of bytes that were needed to complete the +dnl character (not the total number of bytes of the multibyte character). +dnl Result is gl_cv_func_mbrtowc_retval. + +AC_DEFUN([gl_MBRTOWC_RETVAL], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + AC_REQUIRE([gt_LOCALE_JA]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CACHE_CHECK([whether mbrtowc has a correct return value], + [gl_cv_func_mbrtowc_retval], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on HP-UX, Solaris, native Windows. + hpux* | solaris* | mingw*) gl_cv_func_mbrtowc_retval="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_retval="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none \ + || { case "$host_os" in mingw*) true;; *) false;; esac; }; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + int result = 0; + int found_some_locale = 0; + /* This fails on Solaris. */ + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + char input[] = "B\303\274\303\237er"; /* "Büßer" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2)) + { + input[1] = '\0'; + if (mbrtowc (&wc, input + 2, 5, &state) != 1) + result |= 1; + } + found_some_locale = 1; + } + /* This fails on HP-UX 11.11. */ + if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) + { + char input[] = "B\217\253\344\217\251\316er"; /* "Büßer" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 1, 1, &state) == (size_t)(-2)) + { + input[1] = '\0'; + if (mbrtowc (&wc, input + 2, 5, &state) != 2) + result |= 2; + } + found_some_locale = 1; + } + /* This fails on native Windows. */ + if (setlocale (LC_ALL, "Japanese_Japan.932") != NULL) + { + char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) + { + input[3] = '\0'; + if (mbrtowc (&wc, input + 4, 4, &state) != 1) + result |= 4; + } + found_some_locale = 1; + } + if (setlocale (LC_ALL, "Chinese_Taiwan.950") != NULL) + { + char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) + { + input[3] = '\0'; + if (mbrtowc (&wc, input + 4, 4, &state) != 1) + result |= 8; + } + found_some_locale = 1; + } + if (setlocale (LC_ALL, "Chinese_China.936") != NULL) + { + char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */ + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, input + 3, 1, &state) == (size_t)(-2)) + { + input[3] = '\0'; + if (mbrtowc (&wc, input + 4, 4, &state) != 1) + result |= 16; + } + found_some_locale = 1; + } + return (found_some_locale ? result : 77); +}]])], + [gl_cv_func_mbrtowc_retval=yes], + [if test $? != 77; then + gl_cv_func_mbrtowc_retval=no + fi + ], + [:]) + fi + ]) +]) + +dnl Test whether mbrtowc, when parsing a NUL character, correctly returns 0. +dnl Result is gl_cv_func_mbrtowc_nul_retval. + +AC_DEFUN([gl_MBRTOWC_NUL_RETVAL], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_ZH_CN]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbrtowc returns 0 when parsing a NUL character], + [gl_cv_func_mbrtowc_nul_retval], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on Solaris 8 and 9. + solaris2.[89]) gl_cv_func_mbrtowc_nul_retval="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbrtowc_nul_retval="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_ZH_CN != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + /* This fails on Solaris 8 and 9. */ + if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL) + { + mbstate_t state; + wchar_t wc; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (&wc, "", 1, &state) != 0) + return 1; + } + return 0; +}]])], + [gl_cv_func_mbrtowc_nul_retval=yes], + [gl_cv_func_mbrtowc_nul_retval=no], + [:]) + fi + ]) +]) + +# Prerequisites of lib/mbrtowc.c. +AC_DEFUN([gl_PREREQ_MBRTOWC], [ + : +]) + + +dnl From Paul Eggert + +dnl This is an override of an autoconf macro. + +AC_DEFUN([AC_FUNC_MBRTOWC], +[ + dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60. + AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], + gl_cv_func_mbrtowc, + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be + included before <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> + must be included before <wchar.h>. */ + #include <stddef.h> + #include <stdio.h> + #include <time.h> + #include <wchar.h>]], + [[wchar_t wc; + char const s[] = ""; + size_t n = 1; + mbstate_t state; + return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])], + gl_cv_func_mbrtowc=yes, + gl_cv_func_mbrtowc=no)]) + if test $gl_cv_func_mbrtowc = yes; then + AC_DEFINE([HAVE_MBRTOWC], [1], + [Define to 1 if mbrtowc and mbstate_t are properly declared.]) + fi +]) diff --git a/m4/mbsinit.m4 b/m4/mbsinit.m4 new file mode 100644 index 00000000..da56c3d1 --- /dev/null +++ b/m4/mbsinit.m4 @@ -0,0 +1,51 @@ +# mbsinit.m4 serial 8 +dnl Copyright (C) 2008, 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MBSINIT], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + gl_MBSTATE_T_BROKEN + + AC_CHECK_FUNCS_ONCE([mbsinit]) + if test $ac_cv_func_mbsinit = no; then + HAVE_MBSINIT=0 + AC_CHECK_DECLS([mbsinit],,, [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +]]) + if test $ac_cv_have_decl_mbsinit = yes; then + dnl On Minix 3.1.8, the system's <wchar.h> declares mbsinit() although + dnl it does not have the function. Avoid a collision with gnulib's + dnl replacement. + REPLACE_MBSINIT=1 + fi + else + if test $REPLACE_MBSTATE_T = 1; then + REPLACE_MBSINIT=1 + else + dnl On mingw, mbsinit() always returns 1, which is inappropriate for + dnl states produced by mbrtowc() for an incomplete multibyte character + dnl in multibyte locales. + case "$host_os" in + mingw*) REPLACE_MBSINIT=1 ;; + esac + fi + fi +]) + +# Prerequisites of lib/mbsinit.c. +AC_DEFUN([gl_PREREQ_MBSINIT], [ + : +]) diff --git a/m4/mbslen.m4 b/m4/mbslen.m4 new file mode 100644 index 00000000..515d8079 --- /dev/null +++ b/m4/mbslen.m4 @@ -0,0 +1,16 @@ +# mbslen.m4 serial 2 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MBSLEN], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([mbslen]) + if test $ac_cv_func_mbslen = yes; then + HAVE_MBSLEN=1 + else + HAVE_MBSLEN=0 + fi +]) diff --git a/m4/mbsrtowcs.m4 b/m4/mbsrtowcs.m4 new file mode 100644 index 00000000..a95f6064 --- /dev/null +++ b/m4/mbsrtowcs.m4 @@ -0,0 +1,155 @@ +# mbsrtowcs.m4 serial 13 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MBSRTOWCS], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + gl_MBSTATE_T_BROKEN + + AC_CHECK_FUNCS_ONCE([mbsrtowcs]) + if test $ac_cv_func_mbsrtowcs = no; then + HAVE_MBSRTOWCS=0 + AC_CHECK_DECLS([mbsrtowcs],,, [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +]]) + if test $ac_cv_have_decl_mbsrtowcs = yes; then + dnl On Minix 3.1.8, the system's <wchar.h> declares mbsrtowcs() although + dnl it does not have the function. Avoid a collision with gnulib's + dnl replacement. + REPLACE_MBSRTOWCS=1 + fi + else + if test $REPLACE_MBSTATE_T = 1; then + REPLACE_MBSRTOWCS=1 + else + gl_MBSRTOWCS_WORKS + case "$gl_cv_func_mbsrtowcs_works" in + *yes) ;; + *) REPLACE_MBSRTOWCS=1 ;; + esac + fi + fi +]) + +dnl Test whether mbsrtowcs works. +dnl Result is gl_cv_func_mbsrtowcs_works. + +AC_DEFUN([gl_MBSRTOWCS_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + AC_REQUIRE([gt_LOCALE_JA]) + AC_REQUIRE([gt_LOCALE_ZH_CN]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether mbsrtowcs works], + [gl_cv_func_mbsrtowcs_works], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on HP-UX, Solaris, mingw. + hpux* | solaris* | mingw*) gl_cv_func_mbsrtowcs_works="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_mbsrtowcs_works="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + int result = 0; + /* Test whether the function supports a NULL destination argument. + This fails on native Windows. */ + if (setlocale (LC_ALL, "$LOCALE_FR") != NULL) + { + const char input[] = "\337er"; + const char *src = input; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbsrtowcs (NULL, &src, 1, &state) != 3 + || src != input) + result |= 1; + } + /* Test whether the function works when started with a conversion state + in non-initial state. This fails on HP-UX 11.11 and Solaris 10. */ + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + const char input[] = "B\303\274\303\237er"; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2)) + if (!mbsinit (&state)) + { + const char *src = input + 2; + if (mbsrtowcs (NULL, &src, 10, &state) != 4) + result |= 2; + } + } + if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) + { + const char input[] = "<\306\374\313\334\270\354>"; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (NULL, input + 3, 1, &state) == (size_t)(-2)) + if (!mbsinit (&state)) + { + const char *src = input + 4; + if (mbsrtowcs (NULL, &src, 10, &state) != 3) + result |= 4; + } + } + if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL) + { + const char input[] = "B\250\271\201\060\211\070er"; + mbstate_t state; + + memset (&state, '\0', sizeof (mbstate_t)); + if (mbrtowc (NULL, input + 1, 1, &state) == (size_t)(-2)) + if (!mbsinit (&state)) + { + const char *src = input + 2; + if (mbsrtowcs (NULL, &src, 10, &state) != 4) + result |= 8; + } + } + return result; +}]])], + [gl_cv_func_mbsrtowcs_works=yes], + [gl_cv_func_mbsrtowcs_works=no], + [:]) + fi + ]) +]) + +# Prerequisites of lib/mbsrtowcs.c. +AC_DEFUN([gl_PREREQ_MBSRTOWCS], [ + : +]) diff --git a/m4/mbstate_t.m4 b/m4/mbstate_t.m4 new file mode 100644 index 00000000..61a8190c --- /dev/null +++ b/m4/mbstate_t.m4 @@ -0,0 +1,41 @@ +# mbstate_t.m4 serial 13 +dnl Copyright (C) 2000-2002, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# From Paul Eggert. + +# BeOS 5 has <wchar.h> but does not define mbstate_t, +# so you can't declare an object of that type. +# Check for this incompatibility with Standard C. + +# AC_TYPE_MBSTATE_T +# ----------------- +AC_DEFUN([AC_TYPE_MBSTATE_T], +[ + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) dnl for HP-UX 11.11 + + AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h>]], + [[mbstate_t x; return sizeof x;]])], + [ac_cv_type_mbstate_t=yes], + [ac_cv_type_mbstate_t=no])]) + if test $ac_cv_type_mbstate_t = yes; then + AC_DEFINE([HAVE_MBSTATE_T], [1], + [Define to 1 if <wchar.h> declares mbstate_t.]) + else + AC_DEFINE([mbstate_t], [int], + [Define to a type if <wchar.h> does not define.]) + fi +]) diff --git a/m4/mbswidth.m4 b/m4/mbswidth.m4 new file mode 100644 index 00000000..e5d04572 --- /dev/null +++ b/m4/mbswidth.m4 @@ -0,0 +1,46 @@ +# mbswidth.m4 serial 18 +dnl Copyright (C) 2000-2002, 2004, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl autoconf tests required for use of mbswidth.c +dnl From Bruno Haible. + +AC_DEFUN([gl_MBSWIDTH], +[ + AC_CHECK_HEADERS_ONCE([wchar.h]) + AC_CHECK_FUNCS_ONCE([isascii mbsinit]) + + dnl UnixWare 7.1.1 <wchar.h> has a declaration of a function mbswidth() + dnl that clashes with ours. + AC_CACHE_CHECK([whether mbswidth is declared in <wchar.h>], + [ac_cv_have_decl_mbswidth], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included + before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> + ]], + [[ + char *p = (char *) mbswidth; + return !p; + ]])], + [ac_cv_have_decl_mbswidth=yes], + [ac_cv_have_decl_mbswidth=no])]) + if test $ac_cv_have_decl_mbswidth = yes; then + ac_val=1 + else + ac_val=0 + fi + AC_DEFINE_UNQUOTED([HAVE_DECL_MBSWIDTH_IN_WCHAR_H], [$ac_val], + [Define to 1 if you have a declaration of mbswidth() in <wchar.h>, and to 0 otherwise.]) + + AC_TYPE_MBSTATE_T +]) diff --git a/m4/mbtowc.m4 b/m4/mbtowc.m4 new file mode 100644 index 00000000..fec0d258 --- /dev/null +++ b/m4/mbtowc.m4 @@ -0,0 +1,19 @@ +# mbtowc.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MBTOWC], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + + if false; then + REPLACE_MBTOWC=1 + fi +]) + +# Prerequisites of lib/mbtowc.c. +AC_DEFUN([gl_PREREQ_MBTOWC], [ + : +]) diff --git a/m4/md5.m4 b/m4/md5.m4 new file mode 100644 index 00000000..e22f7bdb --- /dev/null +++ b/m4/md5.m4 @@ -0,0 +1,13 @@ +# md5.m4 serial 12 +dnl Copyright (C) 2002-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MD5], +[ + dnl Prerequisites of lib/md5.c. + AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/m4/memcasecmp.m4 b/m4/memcasecmp.m4 new file mode 100644 index 00000000..46f29c86 --- /dev/null +++ b/m4/memcasecmp.m4 @@ -0,0 +1,10 @@ +#serial 6 +dnl Copyright (C) 2005-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MEMCASECMP], +[ + : +]) diff --git a/m4/memchr.m4 b/m4/memchr.m4 new file mode 100644 index 00000000..00402945 --- /dev/null +++ b/m4/memchr.m4 @@ -0,0 +1,88 @@ +# memchr.m4 serial 12 +dnl Copyright (C) 2002-2004, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN_ONCE([gl_FUNC_MEMCHR], +[ + dnl Check for prerequisites for memory fence checks. + gl_FUNC_MMAP_ANON + AC_CHECK_HEADERS_ONCE([sys/mman.h]) + AC_CHECK_FUNCS_ONCE([mprotect]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + m4_ifdef([gl_FUNC_MEMCHR_OBSOLETE], [ + dnl These days, we assume memchr is present. But if support for old + dnl platforms is desired: + AC_CHECK_FUNCS_ONCE([memchr]) + if test $ac_cv_func_memchr = no; then + HAVE_MEMCHR=0 + fi + ]) + if test $HAVE_MEMCHR = 1; then + # Detect platform-specific bugs in some versions of glibc: + # memchr should not dereference anything with length 0 + # http://bugzilla.redhat.com/499689 + # memchr should not dereference overestimated length after a match + # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737 + # http://sourceware.org/bugzilla/show_bug.cgi?id=10162 + # Assume that memchr works on platforms that lack mprotect. + AC_CACHE_CHECK([whether memchr works], [gl_cv_func_memchr_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <string.h> +#if HAVE_SYS_MMAN_H +# include <fcntl.h> +# include <unistd.h> +# include <sys/types.h> +# include <sys/mman.h> +# ifndef MAP_FILE +# define MAP_FILE 0 +# endif +#endif +]], [[ + int result = 0; + char *fence = NULL; +#if HAVE_SYS_MMAN_H && HAVE_MPROTECT +# if HAVE_MAP_ANONYMOUS + const int flags = MAP_ANONYMOUS | MAP_PRIVATE; + const int fd = -1; +# else /* !HAVE_MAP_ANONYMOUS */ + const int flags = MAP_FILE | MAP_PRIVATE; + int fd = open ("/dev/zero", O_RDONLY, 0666); + if (fd >= 0) +# endif + { + int pagesize = getpagesize (); + char *two_pages = + (char *) mmap (NULL, 2 * pagesize, PROT_READ | PROT_WRITE, + flags, fd, 0); + if (two_pages != (char *)(-1) + && mprotect (two_pages + pagesize, pagesize, PROT_NONE) == 0) + fence = two_pages + pagesize; + } +#endif + if (fence) + { + if (memchr (fence, 0, 0)) + result |= 1; + strcpy (fence - 9, "12345678"); + if (memchr (fence - 9, 0, 79) != fence - 1) + result |= 2; + if (memchr (fence - 1, 0, 3) != fence - 1) + result |= 4; + } + return result; +]])], [gl_cv_func_memchr_works=yes], [gl_cv_func_memchr_works=no], + [dnl Be pessimistic for now. + gl_cv_func_memchr_works="guessing no"])]) + if test "$gl_cv_func_memchr_works" != yes; then + REPLACE_MEMCHR=1 + fi + fi +]) + +# Prerequisites of lib/memchr.c. +AC_DEFUN([gl_PREREQ_MEMCHR], [ + AC_CHECK_HEADERS([bp-sym.h]) +]) diff --git a/m4/memcoll.m4 b/m4/memcoll.m4 new file mode 100644 index 00000000..64098720 --- /dev/null +++ b/m4/memcoll.m4 @@ -0,0 +1,11 @@ +# memcoll.m4 serial 9 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MEMCOLL], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/mempcpy.m4 b/m4/mempcpy.m4 new file mode 100644 index 00000000..c926941d --- /dev/null +++ b/m4/mempcpy.m4 @@ -0,0 +1,26 @@ +# mempcpy.m4 serial 11 +dnl Copyright (C) 2003-2004, 2006-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MEMPCPY], +[ + dnl Persuade glibc <string.h> to declare mempcpy(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl The mempcpy() declaration in lib/string.in.h uses 'restrict'. + AC_REQUIRE([AC_C_RESTRICT]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_FUNCS([mempcpy]) + if test $ac_cv_func_mempcpy = no; then + HAVE_MEMPCPY=0 + fi +]) + +# Prerequisites of lib/mempcpy.c. +AC_DEFUN([gl_PREREQ_MEMPCPY], [ + : +]) diff --git a/m4/memrchr.m4 b/m4/memrchr.m4 new file mode 100644 index 00000000..3bcaf668 --- /dev/null +++ b/m4/memrchr.m4 @@ -0,0 +1,23 @@ +# memrchr.m4 serial 10 +dnl Copyright (C) 2002-2003, 2005-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_MEMRCHR], +[ + dnl Persuade glibc <string.h> to declare memrchr(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_DECLS_ONCE([memrchr]) + if test $ac_cv_have_decl_memrchr = no; then + HAVE_DECL_MEMRCHR=0 + fi + + AC_CHECK_FUNCS([memrchr]) +]) + +# Prerequisites of lib/memrchr.c. +AC_DEFUN([gl_PREREQ_MEMRCHR], [:]) diff --git a/m4/mgetgroups.m4 b/m4/mgetgroups.m4 new file mode 100644 index 00000000..7d881cb3 --- /dev/null +++ b/m4/mgetgroups.m4 @@ -0,0 +1,10 @@ +#serial 5 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MGETGROUPS], +[ + AC_CHECK_FUNCS_ONCE([getgrouplist]) +]) diff --git a/m4/mkancesdirs.m4 b/m4/mkancesdirs.m4 new file mode 100644 index 00000000..54de955f --- /dev/null +++ b/m4/mkancesdirs.m4 @@ -0,0 +1,10 @@ +# Make a file's ancestor directories. +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MKANCESDIRS], +[ + : +]) diff --git a/m4/mkdir-p.m4 b/m4/mkdir-p.m4 new file mode 100644 index 00000000..1ef59408 --- /dev/null +++ b/m4/mkdir-p.m4 @@ -0,0 +1,11 @@ +# mkdir-p.m4 serial 15 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MKDIR_PARENTS], +[ + dnl Prerequisites of lib/dirchownmod.c. + AC_CHECK_FUNCS_ONCE([fchmod]) +]) diff --git a/m4/mkdir.m4 b/m4/mkdir.m4 new file mode 100644 index 00000000..e4132509 --- /dev/null +++ b/m4/mkdir.m4 @@ -0,0 +1,69 @@ +# serial 11 + +# Copyright (C) 2001, 2003-2004, 2006, 2008-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# On some systems, mkdir ("foo/", 0700) fails because of the trailing slash. +# On others, mkdir ("foo/./", 0700) mistakenly succeeds. +# On such systems, arrange to use a wrapper function. +AC_DEFUN([gl_FUNC_MKDIR], +[dnl + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CACHE_CHECK([whether mkdir handles trailing slash], + [gl_cv_func_mkdir_trailing_slash_works], + [rm -rf conftest.dir + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +# include <sys/types.h> +# include <sys/stat.h> +]], [return mkdir ("conftest.dir/", 0700);])], + [gl_cv_func_mkdir_trailing_slash_works=yes], + [gl_cv_func_mkdir_trailing_slash_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_mkdir_trailing_slash_works="guessing no" ;; + esac + ]) + rm -rf conftest.dir + ] + ) + case "$gl_cv_func_mkdir_trailing_slash_works" in + *yes) ;; + *) + REPLACE_MKDIR=1 + ;; + esac + + AC_CACHE_CHECK([whether mkdir handles trailing dot], + [gl_cv_func_mkdir_trailing_dot_works], + [rm -rf conftest.dir + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +# include <sys/types.h> +# include <sys/stat.h> +]], [return !mkdir ("conftest.dir/./", 0700);])], + [gl_cv_func_mkdir_trailing_dot_works=yes], + [gl_cv_func_mkdir_trailing_dot_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_mkdir_trailing_dot_works="guessing no" ;; + esac + ]) + rm -rf conftest.dir + ] + ) + case "$gl_cv_func_mkdir_trailing_dot_works" in + *yes) ;; + *) + REPLACE_MKDIR=1 + AC_DEFINE([FUNC_MKDIR_DOT_BUG], [1], [Define to 1 if mkdir mistakenly + creates a directory given with a trailing dot component.]) + ;; + esac +]) diff --git a/m4/mkfifo.m4 b/m4/mkfifo.m4 new file mode 100644 index 00000000..e39d6285 --- /dev/null +++ b/m4/mkfifo.m4 @@ -0,0 +1,58 @@ +# serial 4 +# See if we need to provide mkfifo replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_MKFIFO], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([mkfifo]) + if test $ac_cv_func_mkfifo = no; then + HAVE_MKFIFO=0 + else + dnl Check for Solaris 9 and FreeBSD bug with trailing slash. + AC_CHECK_FUNCS_ONCE([lstat]) + AC_CACHE_CHECK([whether mkfifo rejects trailing slashes], + [gl_cv_func_mkfifo_works], + [# Assume that if we have lstat, we can also check symlinks. + if test $ac_cv_func_lstat = yes; then + ln -s conftest.tmp conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/stat.h> + ]], + [[int result = 0; + if (!mkfifo ("conftest.tmp/", 0600)) + result |= 1; +#if HAVE_LSTAT + if (!mkfifo ("conftest.lnk/", 0600)) + result |= 2; +#endif + return result; + ]])], + [gl_cv_func_mkfifo_works=yes], [gl_cv_func_mkfifo_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_mkfifo_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_mkfifo_works="guessing no" ;; + esac + ]) + rm -f conftest.tmp conftest.lnk]) + case "$gl_cv_func_mkfifo_works" in + *yes) ;; + *) + AC_DEFINE([MKFIFO_TRAILING_SLASH_BUG], [1], [Define to 1 if mkfifo + does not reject trailing slash]) + REPLACE_MKFIFO=1 + ;; + esac + fi +]) diff --git a/m4/mknod.m4 b/m4/mknod.m4 new file mode 100644 index 00000000..79cf6fd5 --- /dev/null +++ b/m4/mknod.m4 @@ -0,0 +1,59 @@ +# serial 5 +# See if we need to provide mknod replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_MKNOD], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_FUNC_MKFIFO]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([mknod]) + if test $ac_cv_func_mknod = no; then + HAVE_MKNOD=0 + else + dnl Detect BSD bug, where mknod requires root privileges to create fifo. + AC_CACHE_CHECK([whether mknod can create fifo without root privileges], + [gl_cv_func_mknod_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/stat.h> + #include <unistd.h> +]], [[/* Indeterminate for super-user, assume no. Why are you running + configure as root, anyway? */ + if (!geteuid ()) return 99; + if (mknod ("conftest.fifo", S_IFIFO | 0600, 0)) return 2;]])], + [gl_cv_func_mknod_works=yes], + [if test $? = 99 && test x"$FORCE_UNSAFE_CONFIGURE" = x; then + AC_MSG_FAILURE([you should not run configure as root ]dnl +[(set FORCE_UNSAFE_CONFIGURE=1 in environment to bypass this check)]) + fi + gl_cv_func_mknod_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_mknod_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_mknod_works="guessing no" ;; + esac + ]) + rm -f conftest.fifo]) + case "$gl_cv_func_mknod_works" in + *yes) ;; + *) + REPLACE_MKNOD=1 + AC_DEFINE([MKNOD_FIFO_BUG], [1], [Define to 1 if mknod cannot create + a fifo without super-user privileges]) + ;; + esac + dnl Systems that mishandle trailing slash on mkfifo also goof on mknod. + if test $REPLACE_MKFIFO = 1; then + REPLACE_MKNOD=1 + fi + fi +]) diff --git a/m4/mkstemp.m4 b/m4/mkstemp.m4 new file mode 100644 index 00000000..cee05728 --- /dev/null +++ b/m4/mkstemp.m4 @@ -0,0 +1,82 @@ +#serial 23 + +# Copyright (C) 2001, 2003-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# On some hosts (e.g., HP-UX 10.20, SunOS 4.1.4, Solaris 2.5.1), mkstemp has a +# silly limit that it can create no more than 26 files from a given template. +# Other systems lack mkstemp altogether. +# On OSF1/Tru64 V4.0F, the system-provided mkstemp function can create +# only 32 files per process. +# On some hosts, mkstemp creates files with mode 0666, which is a security +# problem and a violation of POSIX 2008. +# On systems like the above, arrange to use the replacement function. +AC_DEFUN([gl_FUNC_MKSTEMP], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_CHECK_FUNCS_ONCE([mkstemp]) + if test $ac_cv_func_mkstemp = yes; then + AC_CACHE_CHECK([for working mkstemp], + [gl_cv_func_working_mkstemp], + [ + mkdir conftest.mkstemp + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT], + [[int result = 0; + int i; + off_t large = (off_t) 4294967295u; + if (large < 0) + large = 2147483647; + umask (0); + for (i = 0; i < 70; i++) + { + char templ[] = "conftest.mkstemp/coXXXXXX"; + int (*mkstemp_function) (char *) = mkstemp; + int fd = mkstemp_function (templ); + if (fd < 0) + result |= 1; + else + { + struct stat st; + if (lseek (fd, large, SEEK_SET) != large) + result |= 2; + if (fstat (fd, &st) < 0) + result |= 4; + else if (st.st_mode & 0077) + result |= 8; + if (close (fd)) + result |= 16; + } + } + return result;]])], + [gl_cv_func_working_mkstemp=yes], + [gl_cv_func_working_mkstemp=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_working_mkstemp="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_working_mkstemp="guessing no" ;; + esac + ]) + rm -rf conftest.mkstemp + ]) + case "$gl_cv_func_working_mkstemp" in + *yes) ;; + *) + REPLACE_MKSTEMP=1 + ;; + esac + else + HAVE_MKSTEMP=0 + fi +]) + +# Prerequisites of lib/mkstemp.c. +AC_DEFUN([gl_PREREQ_MKSTEMP], +[ +]) diff --git a/m4/mktime.m4 b/m4/mktime.m4 new file mode 100644 index 00000000..5e05dfa6 --- /dev/null +++ b/m4/mktime.m4 @@ -0,0 +1,250 @@ +# serial 21 +dnl Copyright (C) 2002-2003, 2005-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. + +AC_DEFUN([gl_FUNC_MKTIME], +[ + AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + + dnl We don't use AC_FUNC_MKTIME any more, because it is no longer maintained + dnl in Autoconf and because it invokes AC_LIBOBJ. + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CHECK_FUNCS_ONCE([alarm]) + AC_REQUIRE([gl_MULTIARCH]) + if test $APPLE_UNIVERSAL_BUILD = 1; then + # A universal build on Apple MacOS X platforms. + # The test result would be 'yes' in 32-bit mode and 'no' in 64-bit mode. + # But we need a configuration result that is valid in both modes. + gl_cv_func_working_mktime=no + fi + AC_CACHE_CHECK([for working mktime], [gl_cv_func_working_mktime], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE( +[[/* Test program from Paul Eggert and Tony Leneis. */ +#include <limits.h> +#include <stdlib.h> +#include <time.h> + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifndef HAVE_ALARM +# define alarm(X) /* empty */ +#endif + +/* Work around redefinition to rpl_putenv by other config tests. */ +#undef putenv + +static time_t time_t_max; +static time_t time_t_min; + +/* Values we'll use to set the TZ environment variable. */ +static char *tz_strings[] = { + (char *) 0, "TZ=GMT0", "TZ=JST-9", + "TZ=EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00" +}; +#define N_STRINGS (sizeof (tz_strings) / sizeof (tz_strings[0])) + +/* Return 0 if mktime fails to convert a date in the spring-forward gap. + Based on a problem report from Andreas Jaeger. */ +static int +spring_forward_gap () +{ + /* glibc (up to about 1998-10-07) failed this test. */ + struct tm tm; + + /* Use the portable POSIX.1 specification "TZ=PST8PDT,M4.1.0,M10.5.0" + instead of "TZ=America/Vancouver" in order to detect the bug even + on systems that don't support the Olson extension, or don't have the + full zoneinfo tables installed. */ + putenv ("TZ=PST8PDT,M4.1.0,M10.5.0"); + + tm.tm_year = 98; + tm.tm_mon = 3; + tm.tm_mday = 5; + tm.tm_hour = 2; + tm.tm_min = 0; + tm.tm_sec = 0; + tm.tm_isdst = -1; + return mktime (&tm) != (time_t) -1; +} + +static int +mktime_test1 (time_t now) +{ + struct tm *lt; + return ! (lt = localtime (&now)) || mktime (lt) == now; +} + +static int +mktime_test (time_t now) +{ + return (mktime_test1 (now) + && mktime_test1 ((time_t) (time_t_max - now)) + && mktime_test1 ((time_t) (time_t_min + now))); +} + +static int +irix_6_4_bug () +{ + /* Based on code from Ariel Faigon. */ + struct tm tm; + tm.tm_year = 96; + tm.tm_mon = 3; + tm.tm_mday = 0; + tm.tm_hour = 0; + tm.tm_min = 0; + tm.tm_sec = 0; + tm.tm_isdst = -1; + mktime (&tm); + return tm.tm_mon == 2 && tm.tm_mday == 31; +} + +static int +bigtime_test (int j) +{ + struct tm tm; + time_t now; + tm.tm_year = tm.tm_mon = tm.tm_mday = tm.tm_hour = tm.tm_min = tm.tm_sec = j; + now = mktime (&tm); + if (now != (time_t) -1) + { + struct tm *lt = localtime (&now); + if (! (lt + && lt->tm_year == tm.tm_year + && lt->tm_mon == tm.tm_mon + && lt->tm_mday == tm.tm_mday + && lt->tm_hour == tm.tm_hour + && lt->tm_min == tm.tm_min + && lt->tm_sec == tm.tm_sec + && lt->tm_yday == tm.tm_yday + && lt->tm_wday == tm.tm_wday + && ((lt->tm_isdst < 0 ? -1 : 0 < lt->tm_isdst) + == (tm.tm_isdst < 0 ? -1 : 0 < tm.tm_isdst)))) + return 0; + } + return 1; +} + +static int +year_2050_test () +{ + /* The correct answer for 2050-02-01 00:00:00 in Pacific time, + ignoring leap seconds. */ + unsigned long int answer = 2527315200UL; + + struct tm tm; + time_t t; + tm.tm_year = 2050 - 1900; + tm.tm_mon = 2 - 1; + tm.tm_mday = 1; + tm.tm_hour = tm.tm_min = tm.tm_sec = 0; + tm.tm_isdst = -1; + + /* Use the portable POSIX.1 specification "TZ=PST8PDT,M4.1.0,M10.5.0" + instead of "TZ=America/Vancouver" in order to detect the bug even + on systems that don't support the Olson extension, or don't have the + full zoneinfo tables installed. */ + putenv ("TZ=PST8PDT,M4.1.0,M10.5.0"); + + t = mktime (&tm); + + /* Check that the result is either a failure, or close enough + to the correct answer that we can assume the discrepancy is + due to leap seconds. */ + return (t == (time_t) -1 + || (0 < t && answer - 120 <= t && t <= answer + 120)); +} + +int +main () +{ + int result = 0; + time_t t, delta; + int i, j; + int time_t_signed_magnitude = (time_t) ~ (time_t) 0 < (time_t) -1; + int time_t_signed = ! ((time_t) 0 < (time_t) -1); + + /* This test makes some buggy mktime implementations loop. + Give up after 60 seconds; a mktime slower than that + isn't worth using anyway. */ + alarm (60); + + time_t_max = (! time_t_signed + ? (time_t) -1 + : ((((time_t) 1 << (sizeof (time_t) * CHAR_BIT - 2)) - 1) + * 2 + 1)); + time_t_min = (! time_t_signed + ? (time_t) 0 + : time_t_signed_magnitude + ? ~ (time_t) 0 + : ~ time_t_max); + + delta = time_t_max / 997; /* a suitable prime number */ + for (i = 0; i < N_STRINGS; i++) + { + if (tz_strings[i]) + putenv (tz_strings[i]); + + for (t = 0; t <= time_t_max - delta; t += delta) + if (! mktime_test (t)) + result |= 1; + if (! (mktime_test ((time_t) 1) + && mktime_test ((time_t) (60 * 60)) + && mktime_test ((time_t) (60 * 60 * 24)))) + result |= 2; + + for (j = 1; ; j <<= 1) + if (! bigtime_test (j)) + result |= 4; + else if (INT_MAX / 2 < j) + break; + if (! bigtime_test (INT_MAX)) + result |= 8; + } + if (! irix_6_4_bug ()) + result |= 16; + if (! spring_forward_gap ()) + result |= 32; + if (! year_2050_test ()) + result |= 64; + return result; +}]])], + [gl_cv_func_working_mktime=yes], + [gl_cv_func_working_mktime=no], + [gl_cv_func_working_mktime=no]) + ]) + + if test $gl_cv_func_working_mktime = no; then + REPLACE_MKTIME=1 + else + REPLACE_MKTIME=0 + fi +]) + +AC_DEFUN([gl_FUNC_MKTIME_INTERNAL], [ + AC_REQUIRE([gl_FUNC_MKTIME]) + if test $REPLACE_MKTIME = 0; then + dnl BeOS has __mktime_internal in libc, but other platforms don't. + AC_CHECK_FUNC([__mktime_internal], + [AC_DEFINE([mktime_internal], [__mktime_internal], + [Define to the real name of the mktime_internal function.]) + ], + [dnl mktime works but it doesn't export __mktime_internal, + dnl so we need to substitute our own mktime implementation. + REPLACE_MKTIME=1 + ]) + fi +]) + +# Prerequisites of lib/mktime.c. +AC_DEFUN([gl_PREREQ_MKTIME], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/mmap-anon.m4 b/m4/mmap-anon.m4 new file mode 100644 index 00000000..4613cbe5 --- /dev/null +++ b/m4/mmap-anon.m4 @@ -0,0 +1,55 @@ +# mmap-anon.m4 serial 9 +dnl Copyright (C) 2005, 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Detect how mmap can be used to create anonymous (not file-backed) memory +# mappings. +# - On Linux, AIX, OSF/1, Solaris, Cygwin, Interix, Haiku, both MAP_ANONYMOUS +# and MAP_ANON exist and have the same value. +# - On HP-UX, only MAP_ANONYMOUS exists. +# - On MacOS X, FreeBSD, NetBSD, OpenBSD, only MAP_ANON exists. +# - On IRIX, neither exists, and a file descriptor opened to /dev/zero must be +# used. + +AC_DEFUN([gl_FUNC_MMAP_ANON], +[ + dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + # Check for mmap(). Don't use AC_FUNC_MMAP, because it checks too much: it + # fails on HP-UX 11, because MAP_FIXED mappings do not work. But this is + # irrelevant for anonymous mappings. + AC_CHECK_FUNC([mmap], [gl_have_mmap=yes], [gl_have_mmap=no]) + + # Try to allow MAP_ANONYMOUS. + gl_have_mmap_anonymous=no + if test $gl_have_mmap = yes; then + AC_MSG_CHECKING([for MAP_ANONYMOUS]) + AC_EGREP_CPP([I cant identify this map], [ +#include <sys/mman.h> +#ifdef MAP_ANONYMOUS + I cant identify this map +#endif +], + [gl_have_mmap_anonymous=yes]) + if test $gl_have_mmap_anonymous != yes; then + AC_EGREP_CPP([I cant identify this map], [ +#include <sys/mman.h> +#ifdef MAP_ANON + I cant identify this map +#endif +], + [AC_DEFINE([MAP_ANONYMOUS], [MAP_ANON], + [Define to a substitute value for mmap()'s MAP_ANONYMOUS flag.]) + gl_have_mmap_anonymous=yes]) + fi + AC_MSG_RESULT([$gl_have_mmap_anonymous]) + if test $gl_have_mmap_anonymous = yes; then + AC_DEFINE([HAVE_MAP_ANONYMOUS], [1], + [Define to 1 if mmap()'s MAP_ANONYMOUS flag is available after including + config.h and <sys/mman.h>.]) + fi + fi +]) diff --git a/m4/mode_t.m4 b/m4/mode_t.m4 new file mode 100644 index 00000000..40f612a6 --- /dev/null +++ b/m4/mode_t.m4 @@ -0,0 +1,26 @@ +# mode_t.m4 serial 2 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# For using mode_t, it's sufficient to use AC_TYPE_MODE_T and +# include <sys/types.h>. + +# Define PROMOTED_MODE_T to the type that is the result of "default argument +# promotion" (ISO C 6.5.2.2.(6)) of the type mode_t. +AC_DEFUN([gl_PROMOTED_TYPE_MODE_T], +[ + AC_REQUIRE([AC_TYPE_MODE_T]) + AC_CACHE_CHECK([for promoted mode_t type], [gl_cv_promoted_mode_t], [ + dnl Assume mode_t promotes to 'int' if and only if it is smaller than 'int', + dnl and to itself otherwise. This assumption is not guaranteed by the ISO C + dnl standard, but we don't know of any real-world counterexamples. + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>]], + [[typedef int array[2 * (sizeof (mode_t) < sizeof (int)) - 1];]])], + [gl_cv_promoted_mode_t='int'], + [gl_cv_promoted_mode_t='mode_t']) + ]) + AC_DEFINE_UNQUOTED([PROMOTED_MODE_T], [$gl_cv_promoted_mode_t], + [Define to the type that is the result of default argument promotions of type mode_t.]) +]) diff --git a/m4/modechange.m4 b/m4/modechange.m4 new file mode 100644 index 00000000..a59d88d7 --- /dev/null +++ b/m4/modechange.m4 @@ -0,0 +1,11 @@ +# modechange.m4 serial 7 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MODECHANGE], +[ + : +]) diff --git a/m4/mountlist.m4 b/m4/mountlist.m4 new file mode 100644 index 00000000..7104bb94 --- /dev/null +++ b/m4/mountlist.m4 @@ -0,0 +1,19 @@ +# serial 11 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MOUNTLIST], +[ + gl_LIST_MOUNTED_FILE_SYSTEMS([gl_cv_list_mounted_fs=yes], + [gl_cv_list_mounted_fs=no]) +]) + +# Prerequisites of lib/mountlist.c not done by gl_LIST_MOUNTED_FILE_SYSTEMS. +AC_DEFUN([gl_PREREQ_MOUNTLIST_EXTRA], +[ + dnl Note gl_LIST_MOUNTED_FILE_SYSTEMS checks for mntent.h, not sys/mntent.h. + AC_CHECK_HEADERS([sys/mntent.h]) + gl_FSTYPENAME +]) diff --git a/m4/mpsort.m4 b/m4/mpsort.m4 new file mode 100644 index 00000000..21ab2925 --- /dev/null +++ b/m4/mpsort.m4 @@ -0,0 +1,12 @@ +# Sort a vector of pointers to data. + +# Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MPSORT], +[ + AC_REQUIRE([AC_C_RESTRICT]) +]) diff --git a/m4/msvc-inval.m4 b/m4/msvc-inval.m4 new file mode 100644 index 00000000..8db46175 --- /dev/null +++ b/m4/msvc-inval.m4 @@ -0,0 +1,19 @@ +# msvc-inval.m4 serial 1 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MSVC_INVAL], +[ + AC_CHECK_FUNCS_ONCE([_set_invalid_parameter_handler]) + if test $ac_cv_func__set_invalid_parameter_handler = yes; then + HAVE_MSVC_INVALID_PARAMETER_HANDLER=1 + AC_DEFINE([HAVE_MSVC_INVALID_PARAMETER_HANDLER], [1], + [Define to 1 on MSVC platforms that have the "invalid parameter handler" + concept.]) + else + HAVE_MSVC_INVALID_PARAMETER_HANDLER=0 + fi + AC_SUBST([HAVE_MSVC_INVALID_PARAMETER_HANDLER]) +]) diff --git a/m4/msvc-nothrow.m4 b/m4/msvc-nothrow.m4 new file mode 100644 index 00000000..01250507 --- /dev/null +++ b/m4/msvc-nothrow.m4 @@ -0,0 +1,10 @@ +# msvc-nothrow.m4 serial 1 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_MSVC_NOTHROW], +[ + AC_REQUIRE([gl_MSVC_INVAL]) +]) diff --git a/m4/multiarch.m4 b/m4/multiarch.m4 new file mode 100644 index 00000000..b424dce6 --- /dev/null +++ b/m4/multiarch.m4 @@ -0,0 +1,62 @@ +# multiarch.m4 serial 6 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Determine whether the compiler is or may be producing universal binaries. +# +# On MacOS X 10.5 and later systems, the user can create libraries and +# executables that work on multiple system types--known as "fat" or +# "universal" binaries--by specifying multiple '-arch' options to the +# compiler but only a single '-arch' option to the preprocessor. Like +# this: +# +# ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ +# CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ +# CPP="gcc -E" CXXCPP="g++ -E" +# +# Detect this situation and set APPLE_UNIVERSAL_BUILD accordingly. + +AC_DEFUN_ONCE([gl_MULTIARCH], +[ + dnl Code similar to autoconf-2.63 AC_C_BIGENDIAN. + gl_cv_c_multiarch=no + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifndef __APPLE_CC__ + not a universal capable compiler + #endif + typedef int dummy; + ]])], + [ + dnl Check for potential -arch flags. It is not universal unless + dnl there are at least two -arch flags with different values. + arch= + prev= + for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do + if test -n "$prev"; then + case $word in + i?86 | x86_64 | ppc | ppc64) + if test -z "$arch" || test "$arch" = "$word"; then + arch="$word" + else + gl_cv_c_multiarch=yes + fi + ;; + esac + prev= + else + if test "x$word" = "x-arch"; then + prev=arch + fi + fi + done + ]) + if test $gl_cv_c_multiarch = yes; then + APPLE_UNIVERSAL_BUILD=1 + else + APPLE_UNIVERSAL_BUILD=0 + fi + AC_SUBST([APPLE_UNIVERSAL_BUILD]) +]) diff --git a/m4/nanosleep.m4 b/m4/nanosleep.m4 new file mode 100644 index 00000000..48a9a546 --- /dev/null +++ b/m4/nanosleep.m4 @@ -0,0 +1,148 @@ +# serial 35 + +dnl From Jim Meyering. +dnl Check for the nanosleep function. +dnl If not found, use the supplied replacement. +dnl + +# Copyright (C) 1999-2001, 2003-2012 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_NANOSLEEP], +[ + AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Persuade glibc and Solaris <time.h> to declare nanosleep. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_HEADERS_ONCE([sys/time.h]) + AC_REQUIRE([gl_FUNC_SELECT]) + + nanosleep_save_libs=$LIBS + + # Solaris 2.5.1 needs -lposix4 to get the nanosleep function. + # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4. + LIB_NANOSLEEP= + AC_SUBST([LIB_NANOSLEEP]) + AC_SEARCH_LIBS([nanosleep], [rt posix4], + [test "$ac_cv_search_nanosleep" = "none required" || + LIB_NANOSLEEP=$ac_cv_search_nanosleep]) + if test "x$ac_cv_search_nanosleep" != xno; then + dnl The system has a nanosleep function. + + AC_REQUIRE([gl_MULTIARCH]) + if test $APPLE_UNIVERSAL_BUILD = 1; then + # A universal build on Apple MacOS X platforms. + # The test result would be 'no (mishandles large arguments)' in 64-bit + # mode but 'yes' in 32-bit mode. But we need a configuration result that + # is valid in both modes. + gl_cv_func_nanosleep='no (mishandles large arguments)' + fi + + AC_CACHE_CHECK([for working nanosleep], + [gl_cv_func_nanosleep], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ + #include <errno.h> + #include <limits.h> + #include <signal.h> + #if HAVE_SYS_TIME_H + #include <sys/time.h> + #endif + #include <time.h> + #include <unistd.h> + #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) + #define TYPE_MAXIMUM(t) \ + ((t) (! TYPE_SIGNED (t) \ + ? (t) -1 \ + : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) + + static void + check_for_SIGALRM (int sig) + { + if (sig != SIGALRM) + _exit (1); + } + + int + main () + { + static struct timespec ts_sleep; + static struct timespec ts_remaining; + static struct sigaction act; + /* Test for major problems first. */ + if (! nanosleep) + return 2; + act.sa_handler = check_for_SIGALRM; + sigemptyset (&act.sa_mask); + sigaction (SIGALRM, &act, NULL); + ts_sleep.tv_sec = 0; + ts_sleep.tv_nsec = 1; + alarm (1); + if (nanosleep (&ts_sleep, NULL) != 0) + return 3; + /* Test for a minor problem: the handling of large arguments. */ + ts_sleep.tv_sec = TYPE_MAXIMUM (time_t); + ts_sleep.tv_nsec = 999999999; + alarm (1); + if (nanosleep (&ts_sleep, &ts_remaining) != -1) + return 4; + if (errno != EINTR) + return 5; + if (ts_remaining.tv_sec <= TYPE_MAXIMUM (time_t) - 10) + return 6; + return 0; + }]])], + [gl_cv_func_nanosleep=yes], + [case $? in dnl ( + 4|5|6) gl_cv_func_nanosleep='no (mishandles large arguments)';; dnl ( + *) gl_cv_func_nanosleep=no;; + esac], + [case "$host_os" in dnl (( + linux*) # Guess it halfway works when the kernel is Linux. + gl_cv_func_nanosleep='guessing no (mishandles large arguments)' ;; + *) # If we don't know, assume the worst. + gl_cv_func_nanosleep='guessing no' ;; + esac + ]) + ]) + case "$gl_cv_func_nanosleep" in + *yes) + REPLACE_NANOSLEEP=0 + ;; + *) + REPLACE_NANOSLEEP=1 + case "$gl_cv_func_nanosleep" in + *"mishandles large arguments"*) + AC_DEFINE([HAVE_BUG_BIG_NANOSLEEP], [1], + [Define to 1 if nanosleep mishandles large arguments.]) + ;; + *) + # The replacement uses select(). Add $LIBSOCKET to $LIB_NANOSLEEP. + for ac_lib in $LIBSOCKET; do + case " $LIB_NANOSLEEP " in + *" $ac_lib "*) ;; + *) LIB_NANOSLEEP="$LIB_NANOSLEEP $ac_lib";; + esac + done + ;; + esac + ;; + esac + else + HAVE_NANOSLEEP=0 + fi + LIBS=$nanosleep_save_libs +]) + +# Prerequisites of lib/nanosleep.c. +AC_DEFUN([gl_PREREQ_NANOSLEEP], +[ + AC_CHECK_HEADERS_ONCE([sys/select.h]) + gl_PREREQ_SIG_HANDLER_H +]) diff --git a/m4/netdb_h.m4 b/m4/netdb_h.m4 new file mode 100644 index 00000000..e0f3ee86 --- /dev/null +++ b/m4/netdb_h.m4 @@ -0,0 +1,43 @@ +# netdb_h.m4 serial 11 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_NETDB], +[ + AC_REQUIRE([gl_NETDB_H_DEFAULTS]) + gl_CHECK_NEXT_HEADERS([netdb.h]) + if test $ac_cv_header_netdb_h = yes; then + HAVE_NETDB_H=1 + else + HAVE_NETDB_H=0 + fi + AC_SUBST([HAVE_NETDB_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <netdb.h>]], + [getaddrinfo freeaddrinfo gai_strerror getnameinfo]) +]) + +AC_DEFUN([gl_NETDB_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_NETDB_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_NETDB_H_DEFAULTS], +[ + GNULIB_GETADDRINFO=0; AC_SUBST([GNULIB_GETADDRINFO]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO]) + HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO]) + HAVE_DECL_GAI_STRERROR=1; AC_SUBST([HAVE_DECL_GAI_STRERROR]) + HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO]) + HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO]) + REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR]) +]) diff --git a/m4/netinet_in_h.m4 b/m4/netinet_in_h.m4 new file mode 100644 index 00000000..e1813886 --- /dev/null +++ b/m4/netinet_in_h.m4 @@ -0,0 +1,31 @@ +# netinet_in_h.m4 serial 5 +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_NETINET_IN], +[ + AC_CACHE_CHECK([whether <netinet/in.h> is self-contained], + [gl_cv_header_netinet_in_h_selfcontained], + [ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[]])], + [gl_cv_header_netinet_in_h_selfcontained=yes], + [gl_cv_header_netinet_in_h_selfcontained=no]) + ]) + if test $gl_cv_header_netinet_in_h_selfcontained = yes; then + NETINET_IN_H='' + else + NETINET_IN_H='netinet/in.h' + AC_CHECK_HEADERS([netinet/in.h]) + gl_CHECK_NEXT_HEADERS([netinet/in.h]) + if test $ac_cv_header_netinet_in_h = yes; then + HAVE_NETINET_IN_H=1 + else + HAVE_NETINET_IN_H=0 + fi + AC_SUBST([HAVE_NETINET_IN_H]) + fi + AC_SUBST([NETINET_IN_H]) + AM_CONDITIONAL([GL_GENERATE_NETINET_IN_H], [test -n "$NETINET_IN_H"]) +]) diff --git a/m4/nl_langinfo.m4 b/m4/nl_langinfo.m4 new file mode 100644 index 00000000..80fe60d5 --- /dev/null +++ b/m4/nl_langinfo.m4 @@ -0,0 +1,50 @@ +# nl_langinfo.m4 serial 5 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_NL_LANGINFO], +[ + AC_REQUIRE([gl_LANGINFO_H_DEFAULTS]) + AC_REQUIRE([gl_LANGINFO_H]) + AC_CHECK_FUNCS_ONCE([nl_langinfo]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + if test $ac_cv_func_nl_langinfo = yes; then + # On Irix 6.5, YESEXPR is defined, but nl_langinfo(YESEXPR) is broken. + AC_CACHE_CHECK([whether YESEXPR works], + [gl_cv_func_nl_langinfo_yesexpr_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[#include <langinfo.h> +]], [[return !*nl_langinfo(YESEXPR); +]])], + [gl_cv_func_nl_langinfo_yesexpr_works=yes], + [gl_cv_func_nl_langinfo_yesexpr_works=no], + [ + case "$host_os" in + # Guess no on irix systems. + irix*) gl_cv_func_nl_langinfo_yesexpr_works="guessing no";; + # Guess yes elsewhere. + *) gl_cv_func_nl_langinfo_yesexpr_works="guessing yes";; + esac + ]) + ]) + case $gl_cv_func_nl_langinfo_yesexpr_works in + *yes) FUNC_NL_LANGINFO_YESEXPR_WORKS=1 ;; + *) FUNC_NL_LANGINFO_YESEXPR_WORKS=0 ;; + esac + AC_DEFINE_UNQUOTED([FUNC_NL_LANGINFO_YESEXPR_WORKS], + [$FUNC_NL_LANGINFO_YESEXPR_WORKS], + [Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string.]) + if test $HAVE_LANGINFO_CODESET = 1 && test $HAVE_LANGINFO_ERA = 1 \ + && test $FUNC_NL_LANGINFO_YESEXPR_WORKS = 1; then + : + else + REPLACE_NL_LANGINFO=1 + AC_DEFINE([REPLACE_NL_LANGINFO], [1], + [Define if nl_langinfo exists but is overridden by gnulib.]) + fi + else + HAVE_NL_LANGINFO=0 + fi +]) diff --git a/m4/nls.m4 b/m4/nls.m4 new file mode 100644 index 00000000..003704c4 --- /dev/null +++ b/m4/nls.m4 @@ -0,0 +1,32 @@ +# nls.m4 serial 5 (gettext-0.18) +dnl Copyright (C) 1995-2003, 2005-2006, 2008-2010 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000. +dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003. + +AC_PREREQ([2.50]) + +AC_DEFUN([AM_NLS], +[ + AC_MSG_CHECKING([whether NLS is requested]) + dnl Default is enabled NLS + AC_ARG_ENABLE([nls], + [ --disable-nls do not use Native Language Support], + USE_NLS=$enableval, USE_NLS=yes) + AC_MSG_RESULT([$USE_NLS]) + AC_SUBST([USE_NLS]) +]) diff --git a/m4/nocrash.m4 b/m4/nocrash.m4 new file mode 100644 index 00000000..08ef8254 --- /dev/null +++ b/m4/nocrash.m4 @@ -0,0 +1,130 @@ +# nocrash.m4 serial 3 +dnl Copyright (C) 2005, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Based on libsigsegv, from Bruno Haible and Paolo Bonzini. + +AC_PREREQ([2.13]) + +dnl Expands to some code for use in .c programs that will cause the configure +dnl test to exit instead of crashing. This is useful to avoid triggering +dnl action from a background debugger and to avoid core dumps. +dnl Usage: ... +dnl ]GL_NOCRASH[ +dnl ... +dnl int main() { nocrash_init(); ... } +AC_DEFUN([GL_NOCRASH],[[ +#include <stdlib.h> +#if defined __MACH__ && defined __APPLE__ +/* Avoid a crash on MacOS X. */ +#include <mach/mach.h> +#include <mach/mach_error.h> +#include <mach/thread_status.h> +#include <mach/exception.h> +#include <mach/task.h> +#include <pthread.h> +/* The exception port on which our thread listens. */ +static mach_port_t our_exception_port; +/* The main function of the thread listening for exceptions of type + EXC_BAD_ACCESS. */ +static void * +mach_exception_thread (void *arg) +{ + /* Buffer for a message to be received. */ + struct { + mach_msg_header_t head; + mach_msg_body_t msgh_body; + char data[1024]; + } msg; + mach_msg_return_t retval; + /* Wait for a message on the exception port. */ + retval = mach_msg (&msg.head, MACH_RCV_MSG | MACH_RCV_LARGE, 0, sizeof (msg), + our_exception_port, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); + if (retval != MACH_MSG_SUCCESS) + abort (); + exit (1); +} +static void +nocrash_init (void) +{ + mach_port_t self = mach_task_self (); + /* Allocate a port on which the thread shall listen for exceptions. */ + if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port) + == KERN_SUCCESS) { + /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html. */ + if (mach_port_insert_right (self, our_exception_port, our_exception_port, + MACH_MSG_TYPE_MAKE_SEND) + == KERN_SUCCESS) { + /* The exceptions we want to catch. Only EXC_BAD_ACCESS is interesting + for us. */ + exception_mask_t mask = EXC_MASK_BAD_ACCESS; + /* Create the thread listening on the exception port. */ + pthread_attr_t attr; + pthread_t thread; + if (pthread_attr_init (&attr) == 0 + && pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED) == 0 + && pthread_create (&thread, &attr, mach_exception_thread, NULL) == 0) { + pthread_attr_destroy (&attr); + /* Replace the exception port info for these exceptions with our own. + Note that we replace the exception port for the entire task, not only + for a particular thread. This has the effect that when our exception + port gets the message, the thread specific exception port has already + been asked, and we don't need to bother about it. + See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html. */ + task_set_exception_ports (self, mask, our_exception_port, + EXCEPTION_DEFAULT, MACHINE_THREAD_STATE); + } + } + } +} +#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ +/* Avoid a crash on native Windows. */ +#define WIN32_LEAN_AND_MEAN +#include <windows.h> +#include <winerror.h> +static LONG WINAPI +exception_filter (EXCEPTION_POINTERS *ExceptionInfo) +{ + switch (ExceptionInfo->ExceptionRecord->ExceptionCode) + { + case EXCEPTION_ACCESS_VIOLATION: + case EXCEPTION_IN_PAGE_ERROR: + case EXCEPTION_STACK_OVERFLOW: + case EXCEPTION_GUARD_PAGE: + case EXCEPTION_PRIV_INSTRUCTION: + case EXCEPTION_ILLEGAL_INSTRUCTION: + case EXCEPTION_DATATYPE_MISALIGNMENT: + case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: + case EXCEPTION_NONCONTINUABLE_EXCEPTION: + exit (1); + } + return EXCEPTION_CONTINUE_SEARCH; +} +static void +nocrash_init (void) +{ + SetUnhandledExceptionFilter ((LPTOP_LEVEL_EXCEPTION_FILTER) exception_filter); +} +#else +/* Avoid a crash on POSIX systems. */ +#include <signal.h> +/* A POSIX signal handler. */ +static void +exception_handler (int sig) +{ + exit (1); +} +static void +nocrash_init (void) +{ +#ifdef SIGSEGV + signal (SIGSEGV, exception_handler); +#endif +#ifdef SIGBUS + signal (SIGBUS, exception_handler); +#endif +} +#endif +]]) diff --git a/m4/nproc.m4 b/m4/nproc.m4 new file mode 100644 index 00000000..a94b97f3 --- /dev/null +++ b/m4/nproc.m4 @@ -0,0 +1,53 @@ +# nproc.m4 serial 4 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_NPROC], +[ + gl_PREREQ_NPROC +]) + +# Prerequisites of lib/nproc.c. +AC_DEFUN([gl_PREREQ_NPROC], +[ + dnl Persuade glibc <sched.h> to declare CPU_SETSIZE, CPU_ISSET etc. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/param.h],,, + [AC_INCLUDES_DEFAULT]) + dnl <sys/sysctl.h> requires <sys/param.h> on OpenBSD 4.0. + AC_CHECK_HEADERS([sys/sysctl.h],,, + [AC_INCLUDES_DEFAULT + #if HAVE_SYS_PARAM_H + # include <sys/param.h> + #endif + ]) + + AC_CHECK_FUNCS([sched_getaffinity sched_getaffinity_np \ + pstat_getdynamic sysmp sysctl]) + + dnl Test whether sched_getaffinity has the expected declaration. + dnl glibc 2.3.[0-2]: + dnl int sched_getaffinity (pid_t, unsigned int, unsigned long int *); + dnl glibc 2.3.3: + dnl int sched_getaffinity (pid_t, cpu_set_t *); + dnl glibc >= 2.3.4: + dnl int sched_getaffinity (pid_t, size_t, cpu_set_t *); + if test $ac_cv_func_sched_getaffinity = yes; then + AC_CACHE_CHECK([for glibc compatible sched_getaffinity], + [gl_cv_func_sched_getaffinity3], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sched.h>]], + [[sched_getaffinity (0, 0, (cpu_set_t *) 0);]])], + [gl_cv_func_sched_getaffinity3=yes], + [gl_cv_func_sched_getaffinity3=no]) + ]) + if test $gl_cv_func_sched_getaffinity3 = yes; then + AC_DEFINE([HAVE_SCHED_GETAFFINITY_LIKE_GLIBC], [1], + [Define to 1 if sched_getaffinity has a glibc compatible declaration.]) + fi + fi +]) diff --git a/m4/off_t.m4 b/m4/off_t.m4 new file mode 100644 index 00000000..dfca2dfd --- /dev/null +++ b/m4/off_t.m4 @@ -0,0 +1,18 @@ +# off_t.m4 serial 1 +dnl Copyright (C) 2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check whether to override the 'off_t' type. +dnl Set WINDOWS_64_BIT_OFF_T. + +AC_DEFUN([gl_TYPE_OFF_T], +[ + m4_ifdef([gl_LARGEFILE], [ + AC_REQUIRE([gl_LARGEFILE]) + ], [ + WINDOWS_64_BIT_OFF_T=0 + ]) + AC_SUBST([WINDOWS_64_BIT_OFF_T]) +]) diff --git a/m4/open.m4 b/m4/open.m4 new file mode 100644 index 00000000..c85971dc --- /dev/null +++ b/m4/open.m4 @@ -0,0 +1,92 @@ +# open.m4 serial 13 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_OPEN], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + mingw* | pw*) + REPLACE_OPEN=1 + ;; + *) + dnl open("foo/") should not create a file when the file name has a + dnl trailing slash. FreeBSD only has the problem on symlinks. + AC_CHECK_FUNCS_ONCE([lstat]) + AC_CACHE_CHECK([whether open recognizes a trailing slash], + [gl_cv_func_open_slash], + [# Assume that if we have lstat, we can also check symlinks. + if test $ac_cv_func_lstat = yes; then + touch conftest.tmp + ln -s conftest.tmp conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <fcntl.h> +#if HAVE_UNISTD_H +# include <unistd.h> +#endif +int main () +{ + int result = 0; +#if HAVE_LSTAT + if (open ("conftest.lnk/", O_RDONLY) != -1) + result |= 1; +#endif + if (open ("conftest.sl/", O_CREAT, 0600) >= 0) + result |= 2; + return result; +}]])], + [gl_cv_func_open_slash=yes], + [gl_cv_func_open_slash=no], + [ +changequote(,)dnl + case "$host_os" in + freebsd* | aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*) + gl_cv_func_open_slash="guessing no" ;; + *) + gl_cv_func_open_slash="guessing yes" ;; + esac +changequote([,])dnl + ]) + rm -f conftest.sl conftest.tmp conftest.lnk + ]) + case "$gl_cv_func_open_slash" in + *no) + AC_DEFINE([OPEN_TRAILING_SLASH_BUG], [1], + [Define to 1 if open() fails to recognize a trailing slash.]) + REPLACE_OPEN=1 + ;; + esac + ;; + esac + dnl Replace open() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + if test $REPLACE_OPEN = 0; then + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + REPLACE_OPEN=1 + fi + fi + ]) + dnl Replace open() for supporting the gnulib-defined O_NONBLOCK flag. + m4_ifdef([gl_NONBLOCKING_IO], [ + if test $REPLACE_OPEN = 0; then + gl_NONBLOCKING_IO + if test $gl_cv_have_open_O_NONBLOCK != yes; then + REPLACE_OPEN=1 + fi + fi + ]) +]) + +# Prerequisites of lib/open.c. +AC_DEFUN([gl_PREREQ_OPEN], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T]) + : +]) diff --git a/m4/openat.m4 b/m4/openat.m4 new file mode 100644 index 00000000..0040040b --- /dev/null +++ b/m4/openat.m4 @@ -0,0 +1,37 @@ +# serial 44 +# See if we need to use our replacement for Solaris' openat et al functions. + +dnl Copyright (C) 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +AC_DEFUN([gl_FUNC_OPENAT], +[ + AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([openat]) + AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) + case $ac_cv_func_openat+$gl_cv_func_lstat_dereferences_slashed_symlink in + yes+*yes) + ;; + yes+*) + # Solaris 9 has *at functions, but uniformly mishandles trailing + # slash in all of them. + REPLACE_OPENAT=1 + ;; + *) + HAVE_OPENAT=0 + ;; + esac +]) + +# Prerequisites of lib/openat.c. +AC_DEFUN([gl_PREREQ_OPENAT], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T]) + : +]) diff --git a/m4/opendir.m4 b/m4/opendir.m4 new file mode 100644 index 00000000..08da440b --- /dev/null +++ b/m4/opendir.m4 @@ -0,0 +1,25 @@ +# opendir.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_OPENDIR], +[ + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + + AC_CHECK_FUNCS([opendir]) + if test $ac_cv_func_opendir = no; then + HAVE_OPENDIR=0 + fi + dnl Replace opendir() for supporting the gnulib-defined fchdir() function, + dnl to keep fchdir's bookkeeping up-to-date. + m4_ifdef([gl_FUNC_FCHDIR], [ + gl_TEST_FCHDIR + if test $HAVE_FCHDIR = 0; then + if test $HAVE_OPENDIR = 1; then + REPLACE_OPENDIR=1 + fi + fi + ]) +]) diff --git a/m4/parse-datetime.m4 b/m4/parse-datetime.m4 new file mode 100644 index 00000000..8efefbe8 --- /dev/null +++ b/m4/parse-datetime.m4 @@ -0,0 +1,55 @@ +# parse-datetime.m4 serial 19 +dnl Copyright (C) 2002-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Define HAVE_COMPOUND_LITERALS if the C compiler supports compound literals +dnl as in ISO C99. +dnl Note that compound literals such as (struct s) { 3, 4 } can be used for +dnl initialization of stack-allocated variables, but are not constant +dnl expressions and therefore cannot be used as initializer for global or +dnl static variables (even though gcc supports this in pre-C99 mode). +AC_DEFUN([gl_C_COMPOUND_LITERALS], +[ + AC_CACHE_CHECK([for compound literals], [gl_cv_compound_literals], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[struct s { int i, j; };]], + [[struct s t = (struct s) { 3, 4 }; + if (t.i != 0) return 0;]])], + gl_cv_compound_literals=yes, + gl_cv_compound_literals=no)]) + if test $gl_cv_compound_literals = yes; then + AC_DEFINE([HAVE_COMPOUND_LITERALS], [1], + [Define if you have compound literals.]) + fi +]) + +AC_DEFUN([gl_PARSE_DATETIME], +[ + dnl Prerequisites of lib/parse-datetime.h. + AC_REQUIRE([AM_STDBOOL_H]) + AC_REQUIRE([gl_TIMESPEC]) + + dnl Prerequisites of lib/parse-datetime.y. + AC_REQUIRE([gl_BISON]) + AC_REQUIRE([gl_C_COMPOUND_LITERALS]) + AC_STRUCT_TIMEZONE + AC_REQUIRE([gl_CLOCK_TIME]) + AC_REQUIRE([gl_TM_GMTOFF]) + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([[ +#include <time.h> /* for time_t */ +#include <limits.h> /* for CHAR_BIT, LONG_MIN, LONG_MAX */ +#define TYPE_MINIMUM(t) \ + ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t))) +#define TYPE_MAXIMUM(t) \ + ((t) ((t) 0 < (t) -1 \ + ? (t) -1 \ + : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) +typedef int verify_min[2 * (LONG_MIN <= TYPE_MINIMUM (time_t)) - 1]; +typedef int verify_max[2 * (TYPE_MAXIMUM (time_t) <= LONG_MAX) - 1]; + ]])], + [AC_DEFINE([TIME_T_FITS_IN_LONG_INT], [1], + [Define to 1 if all 'time_t' values fit in a 'long int'.]) + ]) +]) diff --git a/m4/pathmax.m4 b/m4/pathmax.m4 new file mode 100644 index 00000000..01178612 --- /dev/null +++ b/m4/pathmax.m4 @@ -0,0 +1,42 @@ +# pathmax.m4 serial 10 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_PATHMAX], +[ + dnl Prerequisites of lib/pathmax.h. + AC_CHECK_HEADERS_ONCE([sys/param.h]) +]) + +# Expands to a piece of C program that defines PATH_MAX in the same way as +# "pathmax.h" will do. +AC_DEFUN([gl_PATHMAX_SNIPPET], [[ +/* Arrange to define PATH_MAX, like "pathmax.h" does. */ +#if HAVE_UNISTD_H +# include <unistd.h> +#endif +#include <limits.h> +#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN +# include <sys/param.h> +#endif +#if !defined PATH_MAX && defined MAXPATHLEN +# define PATH_MAX MAXPATHLEN +#endif +#ifdef __hpux +# undef PATH_MAX +# define PATH_MAX 1024 +#endif +#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ +# undef PATH_MAX +# define PATH_MAX 260 +#endif +]]) + +# Prerequisites of gl_PATHMAX_SNIPPET. +AC_DEFUN([gl_PATHMAX_SNIPPET_PREREQ], +[ + AC_CHECK_HEADERS_ONCE([unistd.h sys/param.h]) +]) diff --git a/m4/perl.m4 b/m4/perl.m4 new file mode 100644 index 00000000..88b5e433 --- /dev/null +++ b/m4/perl.m4 @@ -0,0 +1,46 @@ +# serial 9 + +dnl From Jim Meyering. +dnl Find a new-enough version of Perl. + +# Copyright (C) 1998-2001, 2003-2004, 2007, 2009-2012 Free Software Foundation, +# Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_PERL], +[ + dnl FIXME: don't hard-code 5.005 + AC_MSG_CHECKING([for perl5.005 or newer]) + if test "${PERL+set}" = set; then + # 'PERL' is set in the user's environment. + candidate_perl_names="$PERL" + perl_specified=yes + else + candidate_perl_names='perl perl5' + perl_specified=no + fi + + found=no + AC_SUBST([PERL]) + PERL="$am_missing_run perl" + for perl in $candidate_perl_names; do + # Run test in a subshell; some versions of sh will print an error if + # an executable is not found, even if stderr is redirected. + if ( $perl -e 'require 5.005; use File::Compare' ) > /dev/null 2>&1; then + PERL=$perl + found=yes + break + fi + done + + AC_MSG_RESULT([$found]) + test $found = no && AC_MSG_WARN([ +WARNING: You don't seem to have perl5.005 or newer installed, or you lack + a usable version of the Perl File::Compare module. As a result, + you may be unable to run a few tests or to regenerate certain + files if you modify the sources from which they are derived. +] ) +]) diff --git a/m4/perror.m4 b/m4/perror.m4 new file mode 100644 index 00000000..369a824e --- /dev/null +++ b/m4/perror.m4 @@ -0,0 +1,63 @@ +# perror.m4 serial 6 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_PERROR], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([gl_HEADER_ERRNO_H]) + AC_REQUIRE([gl_FUNC_STRERROR_R]) + AC_REQUIRE([gl_FUNC_STRERROR_0]) + dnl We intentionally do not check for the broader REPLACE_STRERROR_R, + dnl since on glibc systems, strerror_r is replaced only for signature + dnl issues, and perror is just fine. Rather, we only want to + dnl replace perror if strerror_r was replaced for a content fix. + if test "$ERRNO_H:$REPLACE_STRERROR_0" != :0; then + dnl The system's perror() cannot know about the new errno values we add + dnl to <errno.h>, or any fix for strerror(0). Replace it. + REPLACE_PERROR=1 + fi + case ${gl_cv_func_strerror_r_works-unset} in + unset|*yes) + AC_CACHE_CHECK([whether perror matches strerror], + [gl_cv_func_perror_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <errno.h> + #include <stdio.h> + #include <stdlib.h> + #include <string.h> + ]], + [[char *str = strerror (-1); + if (!getenv("CONFTEST_OUTPUT")) return 0; + if (!str) str = ""; + puts (str); + errno = -1; + perror (""); + return 0; + ]])], + [if CONFTEST_OUTPUT=1 ./conftest$EXEEXT >conftest.txt1 2>conftest.txt2 \ + && cmp conftest.txt1 conftest.txt2 >/dev/null; then + gl_cv_func_perror_works=yes + else + gl_cv_func_perror_works=no + fi + rm -rf conftest.txt1 conftest.txt2], + [gl_cv_func_perror_works=no], + [dnl Guess no when cross-compiling. + gl_cv_func_perror_works="guessing no" + ]) + ]) + if test "$gl_cv_func_perror_works" != yes; then + REPLACE_PERROR=1 + fi + ;; + *) + dnl The system's perror() probably inherits the bugs in the + dnl system's strerror_r(). Replace it. + REPLACE_PERROR=1 + ;; + esac +]) diff --git a/m4/physmem.m4 b/m4/physmem.m4 new file mode 100644 index 00000000..eb52f553 --- /dev/null +++ b/m4/physmem.m4 @@ -0,0 +1,45 @@ +# physmem.m4 serial 11 +dnl Copyright (C) 2002-2003, 2005-2006, 2008-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Check for the external symbol, _system_configuration, +# a struct with member 'physmem'. +AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION], + [AC_CACHE_CHECK([for external symbol _system_configuration], + gl_cv_var__system_configuration, + [AC_LINK_IFELSE([AC_LANG_PROGRAM( + [[#include <sys/systemcfg.h> + ]], + [[double x = _system_configuration.physmem; + if (x > 0.0) return 0;]])], + [gl_cv_var__system_configuration=yes], + [gl_cv_var__system_configuration=no])]) + + if test $gl_cv_var__system_configuration = yes; then + AC_DEFINE([HAVE__SYSTEM_CONFIGURATION], [1], + [Define to 1 if you have the external variable, + _system_configuration with a member named physmem.]) + fi + ] +) + +AC_DEFUN([gl_PHYSMEM], +[ + # Prerequisites of lib/physmem.c. + AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \ + machine/hal_sysinfo.h sys/table.h sys/param.h sys/systemcfg.h],,, + [AC_INCLUDES_DEFAULT]) + dnl <sys/sysctl.h> requires <sys/param.h> on OpenBSD 4.0. + AC_CHECK_HEADERS([sys/sysctl.h],,, + [AC_INCLUDES_DEFAULT + #if HAVE_SYS_PARAM_H + # include <sys/param.h> + #endif + ]) + + AC_CHECK_FUNCS([pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table]) + AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION]) +]) diff --git a/m4/pipe.m4 b/m4/pipe.m4 new file mode 100644 index 00000000..37aef116 --- /dev/null +++ b/m4/pipe.m4 @@ -0,0 +1,15 @@ +# pipe.m4 serial 2 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_PIPE], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + AC_CHECK_FUNCS_ONCE([pipe]) + if test $ac_cv_func_pipe != yes; then + HAVE_PIPE=0 + fi +]) diff --git a/m4/pipe2.m4 b/m4/pipe2.m4 new file mode 100644 index 00000000..00ad82b3 --- /dev/null +++ b/m4/pipe2.m4 @@ -0,0 +1,18 @@ +# pipe2.m4 serial 2 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_PIPE2], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Persuade glibc <unistd.h> to declare pipe2(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS_ONCE([pipe2]) + if test $ac_cv_func_pipe2 != yes; then + HAVE_PIPE2=0 + fi +]) diff --git a/m4/po.m4 b/m4/po.m4 new file mode 100644 index 00000000..47f36a41 --- /dev/null +++ b/m4/po.m4 @@ -0,0 +1,449 @@ +# po.m4 serial 17 (gettext-0.18) +dnl Copyright (C) 1995-2010 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000. +dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003. + +AC_PREREQ([2.50]) + +dnl Checks for all prerequisites of the po subdirectory. +AC_DEFUN([AM_PO_SUBDIRS], +[ + AC_REQUIRE([AC_PROG_MAKE_SET])dnl + AC_REQUIRE([AC_PROG_INSTALL])dnl + AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake + AC_REQUIRE([AM_NLS])dnl + + dnl Release version of the gettext macros. This is used to ensure that + dnl the gettext macros and po/Makefile.in.in are in sync. + AC_SUBST([GETTEXT_MACRO_VERSION], [0.18]) + + dnl Perform the following tests also if --disable-nls has been given, + dnl because they are needed for "make dist" to work. + + dnl Search for GNU msgfmt in the PATH. + dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions. + dnl The second test excludes FreeBSD msgfmt. + AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, + [$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 && + (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)], + :) + AC_PATH_PROG([GMSGFMT], [gmsgfmt], [$MSGFMT]) + + dnl Test whether it is GNU msgfmt >= 0.15. +changequote(,)dnl + case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;; + *) MSGFMT_015=$MSGFMT ;; + esac +changequote([,])dnl + AC_SUBST([MSGFMT_015]) +changequote(,)dnl + case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;; + *) GMSGFMT_015=$GMSGFMT ;; + esac +changequote([,])dnl + AC_SUBST([GMSGFMT_015]) + + dnl Search for GNU xgettext 0.12 or newer in the PATH. + dnl The first test excludes Solaris xgettext and early GNU xgettext versions. + dnl The second test excludes FreeBSD xgettext. + AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, + [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 && + (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)], + :) + dnl Remove leftover from FreeBSD xgettext call. + rm -f messages.po + + dnl Test whether it is GNU xgettext >= 0.15. +changequote(,)dnl + case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;; + *) XGETTEXT_015=$XGETTEXT ;; + esac +changequote([,])dnl + AC_SUBST([XGETTEXT_015]) + + dnl Search for GNU msgmerge 0.11 or newer in the PATH. + AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge, + [$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1], :) + + dnl Installation directories. + dnl Autoconf >= 2.60 defines localedir. For older versions of autoconf, we + dnl have to define it here, so that it can be used in po/Makefile. + test -n "$localedir" || localedir='${datadir}/locale' + AC_SUBST([localedir]) + + dnl Support for AM_XGETTEXT_OPTION. + test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS= + AC_SUBST([XGETTEXT_EXTRA_OPTIONS]) + + AC_CONFIG_COMMANDS([po-directories], [[ + for ac_file in $CONFIG_FILES; do + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + # PO directories have a Makefile.in generated from Makefile.in.in. + case "$ac_file" in */Makefile.in) + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + # Treat a directory as a PO directory if and only if it has a + # POTFILES.in file. This allows packages to have multiple PO + # directories under different names or in different locations. + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES" + POMAKEFILEDEPS="POTFILES.in" + # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend + # on $ac_dir but don't depend on user-specified configuration + # parameters. + if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then + # The LINGUAS file contains the set of available languages. + if test -n "$OBSOLETE_ALL_LINGUAS"; then + test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete" + fi + ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"` + # Hide the ALL_LINGUAS assigment from automake < 1.5. + eval 'ALL_LINGUAS''=$ALL_LINGUAS_' + POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS" + else + # The set of available languages was given in configure.in. + # Hide the ALL_LINGUAS assigment from automake < 1.5. + eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS' + fi + # Compute POFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po) + # Compute UPDATEPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update) + # Compute DUMMYPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).nop) + # Compute GMOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo) + case "$ac_given_srcdir" in + .) srcdirpre= ;; + *) srcdirpre='$(srcdir)/' ;; + esac + POFILES= + UPDATEPOFILES= + DUMMYPOFILES= + GMOFILES= + for lang in $ALL_LINGUAS; do + POFILES="$POFILES $srcdirpre$lang.po" + UPDATEPOFILES="$UPDATEPOFILES $lang.po-update" + DUMMYPOFILES="$DUMMYPOFILES $lang.nop" + GMOFILES="$GMOFILES $srcdirpre$lang.gmo" + done + # CATALOGS depends on both $ac_dir and the user's LINGUAS + # environment variable. + INST_LINGUAS= + if test -n "$ALL_LINGUAS"; then + for presentlang in $ALL_LINGUAS; do + useit=no + if test "%UNSET%" != "$LINGUAS"; then + desiredlanguages="$LINGUAS" + else + desiredlanguages="$ALL_LINGUAS" + fi + for desiredlang in $desiredlanguages; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + INST_LINGUAS="$INST_LINGUAS $presentlang" + fi + done + fi + CATALOGS= + if test -n "$INST_LINGUAS"; then + for lang in $INST_LINGUAS; do + CATALOGS="$CATALOGS $lang.gmo" + done + fi + test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" + sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" + for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do + if test -f "$f"; then + case "$f" in + *.orig | *.bak | *~) ;; + *) cat "$f" >> "$ac_dir/Makefile" ;; + esac + fi + done + fi + ;; + esac + done]], + [# Capture the value of obsolete ALL_LINGUAS because we need it to compute + # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it + # from automake < 1.5. + eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"' + # Capture the value of LINGUAS because we need it to compute CATALOGS. + LINGUAS="${LINGUAS-%UNSET%}" + ]) +]) + +dnl Postprocesses a Makefile in a directory containing PO files. +AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE], +[ + # When this code is run, in config.status, two variables have already been + # set: + # - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in, + # - LINGUAS is the value of the environment variable LINGUAS at configure + # time. + +changequote(,)dnl + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + + # Find a way to echo strings without interpreting backslash. + if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then + gt_echo='echo' + else + if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then + gt_echo='printf %s\n' + else + echo_func () { + cat <<EOT +$* +EOT + } + gt_echo='echo_func' + fi + fi + + # A sed script that extracts the value of VARIABLE from a Makefile. + sed_x_variable=' +# Test if the hold space is empty. +x +s/P/P/ +x +ta +# Yes it was empty. Look if we have the expected variable definition. +/^[ ]*VARIABLE[ ]*=/{ + # Seen the first line of the variable definition. + s/^[ ]*VARIABLE[ ]*=// + ba +} +bd +:a +# Here we are processing a line from the variable definition. +# Remove comment, more precisely replace it with a space. +s/#.*$/ / +# See if the line ends in a backslash. +tb +:b +s/\\$// +# Print the line, without the trailing backslash. +p +tc +# There was no trailing backslash. The end of the variable definition is +# reached. Clear the hold space. +s/^.*$// +x +bd +:c +# A trailing backslash means that the variable definition continues in the +# next line. Put a nonempty string into the hold space to indicate this. +s/^.*$/P/ +x +:d +' +changequote([,])dnl + + # Set POTFILES to the value of the Makefile variable POTFILES. + sed_x_POTFILES=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'` + POTFILES=`sed -n -e "$sed_x_POTFILES" < "$ac_file"` + # Compute POTFILES_DEPS as + # $(foreach file, $(POTFILES), $(top_srcdir)/$(file)) + POTFILES_DEPS= + for file in $POTFILES; do + POTFILES_DEPS="$POTFILES_DEPS "'$(top_srcdir)/'"$file" + done + POMAKEFILEDEPS="" + + if test -n "$OBSOLETE_ALL_LINGUAS"; then + test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete" + fi + if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then + # The LINGUAS file contains the set of available languages. + ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"` + POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS" + else + # Set ALL_LINGUAS to the value of the Makefile variable LINGUAS. + sed_x_LINGUAS=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'` + ALL_LINGUAS_=`sed -n -e "$sed_x_LINGUAS" < "$ac_file"` + fi + # Hide the ALL_LINGUAS assigment from automake < 1.5. + eval 'ALL_LINGUAS''=$ALL_LINGUAS_' + # Compute POFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po) + # Compute UPDATEPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update) + # Compute DUMMYPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).nop) + # Compute GMOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo) + # Compute PROPERTIESFILES + # as $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).properties) + # Compute CLASSFILES + # as $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).class) + # Compute QMFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).qm) + # Compute MSGFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang)).msg) + # Compute RESOURCESDLLFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang))/$(DOMAIN).resources.dll) + case "$ac_given_srcdir" in + .) srcdirpre= ;; + *) srcdirpre='$(srcdir)/' ;; + esac + POFILES= + UPDATEPOFILES= + DUMMYPOFILES= + GMOFILES= + PROPERTIESFILES= + CLASSFILES= + QMFILES= + MSGFILES= + RESOURCESDLLFILES= + for lang in $ALL_LINGUAS; do + POFILES="$POFILES $srcdirpre$lang.po" + UPDATEPOFILES="$UPDATEPOFILES $lang.po-update" + DUMMYPOFILES="$DUMMYPOFILES $lang.nop" + GMOFILES="$GMOFILES $srcdirpre$lang.gmo" + PROPERTIESFILES="$PROPERTIESFILES \$(top_srcdir)/\$(DOMAIN)_$lang.properties" + CLASSFILES="$CLASSFILES \$(top_srcdir)/\$(DOMAIN)_$lang.class" + QMFILES="$QMFILES $srcdirpre$lang.qm" + frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` + MSGFILES="$MSGFILES $srcdirpre$frobbedlang.msg" + frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'` + RESOURCESDLLFILES="$RESOURCESDLLFILES $srcdirpre$frobbedlang/\$(DOMAIN).resources.dll" + done + # CATALOGS depends on both $ac_dir and the user's LINGUAS + # environment variable. + INST_LINGUAS= + if test -n "$ALL_LINGUAS"; then + for presentlang in $ALL_LINGUAS; do + useit=no + if test "%UNSET%" != "$LINGUAS"; then + desiredlanguages="$LINGUAS" + else + desiredlanguages="$ALL_LINGUAS" + fi + for desiredlang in $desiredlanguages; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + INST_LINGUAS="$INST_LINGUAS $presentlang" + fi + done + fi + CATALOGS= + JAVACATALOGS= + QTCATALOGS= + TCLCATALOGS= + CSHARPCATALOGS= + if test -n "$INST_LINGUAS"; then + for lang in $INST_LINGUAS; do + CATALOGS="$CATALOGS $lang.gmo" + JAVACATALOGS="$JAVACATALOGS \$(DOMAIN)_$lang.properties" + QTCATALOGS="$QTCATALOGS $lang.qm" + frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` + TCLCATALOGS="$TCLCATALOGS $frobbedlang.msg" + frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'` + CSHARPCATALOGS="$CSHARPCATALOGS $frobbedlang/\$(DOMAIN).resources.dll" + done + fi + + sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@RESOURCESDLLFILES@|$RESOURCESDLLFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e "s|@CSHARPCATALOGS@|$CSHARPCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp" + if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then + # Add dependencies that cannot be formulated as a simple suffix rule. + for lang in $ALL_LINGUAS; do + frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` + cat >> "$ac_file.tmp" <<EOF +$frobbedlang.msg: $lang.po + @echo "\$(MSGFMT) -c --tcl -d \$(srcdir) -l $lang $srcdirpre$lang.po"; \ + \$(MSGFMT) -c --tcl -d "\$(srcdir)" -l $lang $srcdirpre$lang.po || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; } +EOF + done + fi + if grep -l '@CSHARPCATALOGS@' "$ac_file" > /dev/null; then + # Add dependencies that cannot be formulated as a simple suffix rule. + for lang in $ALL_LINGUAS; do + frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'` + cat >> "$ac_file.tmp" <<EOF +$frobbedlang/\$(DOMAIN).resources.dll: $lang.po + @echo "\$(MSGFMT) -c --csharp -d \$(srcdir) -l $lang $srcdirpre$lang.po -r \$(DOMAIN)"; \ + \$(MSGFMT) -c --csharp -d "\$(srcdir)" -l $lang $srcdirpre$lang.po -r "\$(DOMAIN)" || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; } +EOF + done + fi + if test -n "$POMAKEFILEDEPS"; then + cat >> "$ac_file.tmp" <<EOF +Makefile: $POMAKEFILEDEPS +EOF + fi + mv "$ac_file.tmp" "$ac_file" +]) + +dnl Initializes the accumulator used by AM_XGETTEXT_OPTION. +AC_DEFUN([AM_XGETTEXT_OPTION_INIT], +[ + XGETTEXT_EXTRA_OPTIONS= +]) + +dnl Registers an option to be passed to xgettext in the po subdirectory. +AC_DEFUN([AM_XGETTEXT_OPTION], +[ + AC_REQUIRE([AM_XGETTEXT_OPTION_INIT]) + XGETTEXT_EXTRA_OPTIONS="$XGETTEXT_EXTRA_OPTIONS $1" +]) diff --git a/m4/posix-shell.m4 b/m4/posix-shell.m4 new file mode 100644 index 00000000..1dd2f7b5 --- /dev/null +++ b/m4/posix-shell.m4 @@ -0,0 +1,63 @@ +# Find a POSIX-conforming shell. + +# Copyright (C) 2007-2012 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. + +# If a POSIX-conforming shell can be found, set POSIX_SHELL and +# PREFERABLY_POSIX_SHELL to it. If not, set POSIX_SHELL to the +# empty string and PREFERABLY_POSIX_SHELL to '/bin/sh'. + +AC_DEFUN([gl_POSIX_SHELL], +[ + AC_CACHE_CHECK([for a shell that conforms to POSIX], [gl_cv_posix_shell], + [gl_test_posix_shell_script=' + func_return () { + (exit [$]1) + } + func_success () { + func_return 0 + } + func_failure () { + func_return 1 + } + func_ret_success () { + return 0 + } + func_ret_failure () { + return 1 + } + subshell_umask_sanity () { + (umask 22; (umask 0); test $(umask) -eq 22) + } + test "[$](echo foo)" = foo && + func_success && + ! func_failure && + func_ret_success && + ! func_ret_failure && + (set x && func_ret_success y && test x = "[$]1") && + subshell_umask_sanity + ' + for gl_cv_posix_shell in \ + "$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do + case $gl_cv_posix_shell in + /*) + "$gl_cv_posix_shell" -c "$gl_test_posix_shell_script" 2>/dev/null \ + && break;; + esac + done]) + + if test "$gl_cv_posix_shell" != no; then + POSIX_SHELL=$gl_cv_posix_shell + PREFERABLY_POSIX_SHELL=$POSIX_SHELL + else + POSIX_SHELL= + PREFERABLY_POSIX_SHELL=/bin/sh + fi + AC_SUBST([POSIX_SHELL]) + AC_SUBST([PREFERABLY_POSIX_SHELL]) +]) diff --git a/m4/posix_spawn.m4 b/m4/posix_spawn.m4 new file mode 100644 index 00000000..57928ebc --- /dev/null +++ b/m4/posix_spawn.m4 @@ -0,0 +1,527 @@ +# posix_spawn.m4 serial 11 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Tests whether the entire posix_spawn facility is available. +AC_DEFUN([gl_POSIX_SPAWN], +[ + AC_REQUIRE([gl_POSIX_SPAWN_BODY]) +]) + +AC_DEFUN([gl_POSIX_SPAWN_BODY], +[ + AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) + AC_REQUIRE([gl_HAVE_POSIX_SPAWN]) + dnl Assume that when the main function exists, all the others, + dnl except posix_spawnattr_{get,set}sched*, are available as well. + dnl AC_CHECK_FUNCS_ONCE([posix_spawnp]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawn_file_actions_init]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawn_file_actions_addclose]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawn_file_actions_adddup2]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawn_file_actions_addopen]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawn_file_actions_destroy]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_init]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_getflags]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_setflags]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_getpgroup]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_setpgroup]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_getsigdefault]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_setsigdefault]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_getsigmask]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_setsigmask]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_destroy]) + if test $ac_cv_func_posix_spawn = yes; then + gl_POSIX_SPAWN_WORKS + case "$gl_cv_func_posix_spawn_works" in + *yes) + AC_DEFINE([HAVE_WORKING_POSIX_SPAWN], [1], + [Define if you have the posix_spawn and posix_spawnp functions and + they work.]) + dnl Assume that these functions are available if POSIX_SPAWN_SETSCHEDULER + dnl evaluates to nonzero. + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_getschedpolicy]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_setschedpolicy]) + AC_CACHE_CHECK([whether posix_spawnattr_setschedpolicy is supported], + [gl_cv_func_spawnattr_setschedpolicy], + [AC_EGREP_CPP([POSIX scheduling supported], [ +#include <spawn.h> +#if POSIX_SPAWN_SETSCHEDULER + POSIX scheduling supported +#endif +], + [gl_cv_func_spawnattr_setschedpolicy=yes], + [gl_cv_func_spawnattr_setschedpolicy=no]) + ]) + dnl Assume that these functions are available if POSIX_SPAWN_SETSCHEDPARAM + dnl evaluates to nonzero. + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_getschedparam]) + dnl AC_CHECK_FUNCS_ONCE([posix_spawnattr_setschedparam]) + AC_CACHE_CHECK([whether posix_spawnattr_setschedparam is supported], + [gl_cv_func_spawnattr_setschedparam], + [AC_EGREP_CPP([POSIX scheduling supported], [ +#include <spawn.h> +#if POSIX_SPAWN_SETSCHEDPARAM + POSIX scheduling supported +#endif +], + [gl_cv_func_spawnattr_setschedparam=yes], + [gl_cv_func_spawnattr_setschedparam=no]) + ]) + ;; + *) REPLACE_POSIX_SPAWN=1 ;; + esac + fi +]) + +dnl Test whether posix_spawn actually works. +dnl posix_spawn on AIX 5.3..6.1 has two bugs: +dnl 1) When it fails to execute the program, the child process exits with +dnl exit() rather than _exit(), which causes the stdio buffers to be +dnl flushed. Reported by Rainer Tammer. +dnl 2) The posix_spawn_file_actions_addopen function does not support file +dnl names that contain a '*'. +dnl posix_spawn on AIX 5.3..6.1 has also a third bug: It does not work +dnl when POSIX threads are used. But we don't test against this bug here. +AC_DEFUN([gl_POSIX_SPAWN_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether posix_spawn works], [gl_cv_func_posix_spawn_works], + [if test $cross_compiling = no; then + AC_LINK_IFELSE([AC_LANG_SOURCE([[ +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <spawn.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> + +extern char **environ; + +#ifndef STDIN_FILENO +# define STDIN_FILENO 0 +#endif +#ifndef STDOUT_FILENO +# define STDOUT_FILENO 1 +#endif +#ifndef STDERR_FILENO +# define STDERR_FILENO 2 +#endif + +#ifndef WTERMSIG +# define WTERMSIG(x) ((x) & 0x7f) +#endif +#ifndef WIFEXITED +# define WIFEXITED(x) (WTERMSIG (x) == 0) +#endif +#ifndef WEXITSTATUS +# define WEXITSTATUS(x) (((x) >> 8) & 0xff) +#endif + +#define CHILD_PROGRAM_FILENAME "/non/exist/ent" + +static int +fd_safer (int fd) +{ + if (0 <= fd && fd <= 2) + { + int f = fd_safer (dup (fd)); + int e = errno; + close (fd); + errno = e; + fd = f; + } + + return fd; +} + +int +main () +{ + char *argv[2] = { CHILD_PROGRAM_FILENAME, NULL }; + int ofd[2]; + sigset_t blocked_signals; + sigset_t fatal_signal_set; + posix_spawn_file_actions_t actions; + bool actions_allocated; + posix_spawnattr_t attrs; + bool attrs_allocated; + int err; + pid_t child; + int status; + int exitstatus; + + setvbuf (stdout, NULL, _IOFBF, 0); + puts ("This should be seen only once."); + if (pipe (ofd) < 0 || (ofd[1] = fd_safer (ofd[1])) < 0) + { + perror ("cannot create pipe"); + exit (1); + } + sigprocmask (SIG_SETMASK, NULL, &blocked_signals); + sigemptyset (&fatal_signal_set); + sigaddset (&fatal_signal_set, SIGINT); + sigaddset (&fatal_signal_set, SIGTERM); + sigaddset (&fatal_signal_set, SIGHUP); + sigaddset (&fatal_signal_set, SIGPIPE); + sigprocmask (SIG_BLOCK, &fatal_signal_set, NULL); + actions_allocated = false; + attrs_allocated = false; + if ((err = posix_spawn_file_actions_init (&actions)) != 0 + || (actions_allocated = true, + (err = posix_spawn_file_actions_adddup2 (&actions, ofd[0], STDIN_FILENO)) != 0 + || (err = posix_spawn_file_actions_addclose (&actions, ofd[0])) != 0 + || (err = posix_spawn_file_actions_addclose (&actions, ofd[1])) != 0 + || (err = posix_spawnattr_init (&attrs)) != 0 + || (attrs_allocated = true, + (err = posix_spawnattr_setsigmask (&attrs, &blocked_signals)) != 0 + || (err = posix_spawnattr_setflags (&attrs, POSIX_SPAWN_SETSIGMASK)) != 0) + || (err = posix_spawnp (&child, CHILD_PROGRAM_FILENAME, &actions, &attrs, argv, environ)) != 0)) + { + if (actions_allocated) + posix_spawn_file_actions_destroy (&actions); + if (attrs_allocated) + posix_spawnattr_destroy (&attrs); + sigprocmask (SIG_UNBLOCK, &fatal_signal_set, NULL); + if (err == ENOENT) + return 0; + else + { + errno = err; + perror ("subprocess failed"); + exit (1); + } + } + posix_spawn_file_actions_destroy (&actions); + posix_spawnattr_destroy (&attrs); + sigprocmask (SIG_UNBLOCK, &fatal_signal_set, NULL); + close (ofd[0]); + close (ofd[1]); + status = 0; + while (waitpid (child, &status, 0) != child) + ; + if (!WIFEXITED (status)) + { + fprintf (stderr, "subprocess terminated with unexpected wait status %d\n", status); + exit (1); + } + exitstatus = WEXITSTATUS (status); + if (exitstatus != 127) + { + fprintf (stderr, "subprocess terminated with unexpected exit status %d\n", exitstatus); + exit (1); + } + return 0; +} +]])], + [if test -s conftest$ac_exeext \ + && ./conftest$ac_exeext > conftest.out \ + && echo 'This should be seen only once.' > conftest.ok \ + && cmp conftest.out conftest.ok > /dev/null; then + gl_cv_func_posix_spawn_works=yes + else + gl_cv_func_posix_spawn_works=no + fi], + [gl_cv_func_posix_spawn_works=no]) + if test $gl_cv_func_posix_spawn_works = yes; then + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +/* Test whether posix_spawn_file_actions_addopen supports filename arguments + that contain special characters such as '*'. */ + +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <spawn.h> +#include <stdbool.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> + +extern char **environ; + +#ifndef STDIN_FILENO +# define STDIN_FILENO 0 +#endif +#ifndef STDOUT_FILENO +# define STDOUT_FILENO 1 +#endif +#ifndef STDERR_FILENO +# define STDERR_FILENO 2 +#endif + +#ifndef WTERMSIG +# define WTERMSIG(x) ((x) & 0x7f) +#endif +#ifndef WIFEXITED +# define WIFEXITED(x) (WTERMSIG (x) == 0) +#endif +#ifndef WEXITSTATUS +# define WEXITSTATUS(x) (((x) >> 8) & 0xff) +#endif + +#define CHILD_PROGRAM_FILENAME "conftest" +#define DATA_FILENAME "conftest%=*#?" + +static int +parent_main (void) +{ + FILE *fp; + char *argv[3] = { CHILD_PROGRAM_FILENAME, "-child", NULL }; + posix_spawn_file_actions_t actions; + bool actions_allocated; + int err; + pid_t child; + int status; + int exitstatus; + + /* Create a data file with specific contents. */ + fp = fopen (DATA_FILENAME, "wb"); + if (fp == NULL) + { + perror ("cannot create data file"); + return 1; + } + fwrite ("Halle Potta", 1, 11, fp); + if (fflush (fp) || fclose (fp)) + { + perror ("cannot prepare data file"); + return 2; + } + + /* Avoid reading from our stdin, as it could block. */ + freopen ("/dev/null", "rb", stdin); + + /* Test whether posix_spawn_file_actions_addopen with this file name + actually works, but spawning a child that reads from this file. */ + actions_allocated = false; + if ((err = posix_spawn_file_actions_init (&actions)) != 0 + || (actions_allocated = true, + (err = posix_spawn_file_actions_addopen (&actions, STDIN_FILENO, DATA_FILENAME, O_RDONLY, 0600)) != 0 + || (err = posix_spawn (&child, CHILD_PROGRAM_FILENAME, &actions, NULL, argv, environ)) != 0)) + { + if (actions_allocated) + posix_spawn_file_actions_destroy (&actions); + errno = err; + perror ("subprocess failed"); + return 3; + } + posix_spawn_file_actions_destroy (&actions); + status = 0; + while (waitpid (child, &status, 0) != child) + ; + if (!WIFEXITED (status)) + { + fprintf (stderr, "subprocess terminated with unexpected wait status %d\n", status); + return 4; + } + exitstatus = WEXITSTATUS (status); + if (exitstatus != 0) + { + fprintf (stderr, "subprocess terminated with unexpected exit status %d\n", exitstatus); + return 5; + } + return 0; +} + +static int +child_main (void) +{ + char buf[1024]; + + /* See if reading from STDIN_FILENO yields the expected contents. */ + if (fread (buf, 1, sizeof (buf), stdin) == 11 + && memcmp (buf, "Halle Potta", 11) == 0) + return 0; + else + return 8; +} + +static void +cleanup_then_die (int sig) +{ + /* Clean up data file. */ + unlink (DATA_FILENAME); + + /* Re-raise the signal and die from it. */ + signal (sig, SIG_DFL); + raise (sig); +} + +int +main (int argc, char *argv[]) +{ + int exitstatus; + + if (!(argc > 1 && strcmp (argv[1], "-child") == 0)) + { + /* This is the parent process. */ + signal (SIGINT, cleanup_then_die); + signal (SIGTERM, cleanup_then_die); + #ifdef SIGHUP + signal (SIGHUP, cleanup_then_die); + #endif + + exitstatus = parent_main (); + } + else + { + /* This is the child process. */ + + exitstatus = child_main (); + } + unlink (DATA_FILENAME); + return exitstatus; +} +]])], + [], + [gl_cv_func_posix_spawn_works=no]) + fi + else + case "$host_os" in + aix*) gl_cv_func_posix_spawn_works="guessing no";; + *) gl_cv_func_posix_spawn_works="guessing yes";; + esac + fi + ]) +]) + +# Prerequisites of lib/spawni.c. +AC_DEFUN([gl_PREREQ_POSIX_SPAWN_INTERNAL], +[ + AC_CHECK_HEADERS([paths.h]) + AC_CHECK_FUNCS([confstr sched_setparam sched_setscheduler setegid seteuid vfork]) +]) + +AC_DEFUN([gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE], +[ + AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + gl_POSIX_SPAWN + if test $REPLACE_POSIX_SPAWN = 1; then + REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE=1 + else + dnl On Solaris 11 2011-11, posix_spawn_file_actions_addclose succeeds even + dnl if the fd argument is out of range. + AC_CACHE_CHECK([whether posix_spawn_file_actions_addclose works], + [gl_cv_func_posix_spawn_file_actions_addclose_works], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <spawn.h> +int main () +{ + posix_spawn_file_actions_t actions; + if (posix_spawn_file_actions_init (&actions) != 0) + return 1; + if (posix_spawn_file_actions_addclose (&actions, 10000000) == 0) + return 2; + return 0; +}]])], + [gl_cv_func_posix_spawn_file_actions_addclose_works=yes], + [gl_cv_func_posix_spawn_file_actions_addclose_works=no], + [# Guess no on Solaris, yes otherwise. + case "$host_os" in + solaris*) gl_cv_func_posix_spawn_file_actions_addclose_works="guessing no";; + *) gl_cv_func_posix_spawn_file_actions_addclose_works="guessing yes";; + esac + ]) + ]) + case "$gl_cv_func_posix_spawn_file_actions_addclose_works" in + *yes) ;; + *) REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE=1 ;; + esac + fi +]) + +AC_DEFUN([gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2], +[ + AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + gl_POSIX_SPAWN + if test $REPLACE_POSIX_SPAWN = 1; then + REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2=1 + else + dnl On Solaris 11 2011-11, posix_spawn_file_actions_adddup2 succeeds even + dnl if the fd argument is out of range. + AC_CACHE_CHECK([whether posix_spawn_file_actions_adddup2 works], + [gl_cv_func_posix_spawn_file_actions_adddup2_works], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <spawn.h> +int main () +{ + posix_spawn_file_actions_t actions; + if (posix_spawn_file_actions_init (&actions) != 0) + return 1; + if (posix_spawn_file_actions_adddup2 (&actions, 10000000, 2) == 0) + return 2; + return 0; +}]])], + [gl_cv_func_posix_spawn_file_actions_adddup2_works=yes], + [gl_cv_func_posix_spawn_file_actions_adddup2_works=no], + [# Guess no on Solaris, yes otherwise. + case "$host_os" in + solaris*) gl_cv_func_posix_spawn_file_actions_adddup2_works="guessing no";; + *) gl_cv_func_posix_spawn_file_actions_adddup2_works="guessing yes";; + esac + ]) + ]) + case "$gl_cv_func_posix_spawn_file_actions_adddup2_works" in + *yes) ;; + *) REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2=1 ;; + esac + fi +]) + +AC_DEFUN([gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN], +[ + AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + gl_POSIX_SPAWN + if test $REPLACE_POSIX_SPAWN = 1; then + REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN=1 + else + dnl On Solaris 11 2011-11, posix_spawn_file_actions_addopen succeeds even + dnl if the fd argument is out of range. + AC_CACHE_CHECK([whether posix_spawn_file_actions_addopen works], + [gl_cv_func_posix_spawn_file_actions_addopen_works], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <spawn.h> +#include <fcntl.h> +int main () +{ + posix_spawn_file_actions_t actions; + if (posix_spawn_file_actions_init (&actions) != 0) + return 1; + if (posix_spawn_file_actions_addopen (&actions, 10000000, "foo", 0, O_RDONLY) + == 0) + return 2; + return 0; +}]])], + [gl_cv_func_posix_spawn_file_actions_addopen_works=yes], + [gl_cv_func_posix_spawn_file_actions_addopen_works=no], + [# Guess no on Solaris, yes otherwise. + case "$host_os" in + solaris*) gl_cv_func_posix_spawn_file_actions_addopen_works="guessing no";; + *) gl_cv_func_posix_spawn_file_actions_addopen_works="guessing yes";; + esac + ]) + ]) + case "$gl_cv_func_posix_spawn_file_actions_addopen_works" in + *yes) ;; + *) REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN=1 ;; + esac + fi +]) diff --git a/m4/posixtm.m4 b/m4/posixtm.m4 new file mode 100644 index 00000000..f1c77225 --- /dev/null +++ b/m4/posixtm.m4 @@ -0,0 +1,12 @@ +# posixtm.m4 serial 8 +dnl Copyright (C) 2002-2003, 2005-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_POSIXTM], +[ + dnl No prerequisites of lib/posixtm.c. + : +]) diff --git a/m4/posixver.m4 b/m4/posixver.m4 new file mode 100644 index 00000000..2a8b2e94 --- /dev/null +++ b/m4/posixver.m4 @@ -0,0 +1,43 @@ +# posixver.m4 serial 12 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_POSIXVER], +[ + AC_REQUIRE([gl_DEFAULT_POSIX2_VERSION]) +]) + +# Set the default level of POSIX conformance at configure-time. +# Build with './configure DEFAULT_POSIX2_VERSION=199209 ...' to +# support the older version, thus preserving portability with +# scripts that use sort +1, tail +32, etc. +# Note however, that this breaks tools that might run commands +# like 'sort +some-file' that conform with the newer standard. +AC_DEFUN([gl_DEFAULT_POSIX2_VERSION], +[ + AC_MSG_CHECKING([for desired default level of POSIX conformance]) + gl_default_posix2_version=none-specified + if test -n "$ac_cv_env_DEFAULT_POSIX2_VERSION_set"; then + gl_default_posix2_version=$ac_cv_env_DEFAULT_POSIX2_VERSION_value + AC_DEFINE_UNQUOTED([DEFAULT_POSIX2_VERSION], + $gl_default_posix2_version, + [Define the default level of POSIX conformance. The value is of + the form YYYYMM, specifying the year and month the standard was + adopted. If not defined here, it defaults to the value of + _POSIX2_VERSION in <unistd.h>. Define to 199209 to default to + POSIX 1003.2-1992, which makes standard programs like 'head', + 'tail', and 'sort' accept obsolete options like '+10' and + '-10'. Define to 200112 to default to POSIX 1003.1-2001, which + makes these standard programs treat leading-'+' operands as + file names and require modern usages like '-n 10' instead of + '-10'. Whether defined here or not, the default can be + overridden at run time via the _POSIX2_VERSION environment + variable.]) + fi + AC_MSG_RESULT([$gl_default_posix2_version]) + AC_ARG_VAR( + [DEFAULT_POSIX2_VERSION], + [POSIX version to default to; see 'config.hin'.]) +]) diff --git a/m4/prereq.m4 b/m4/prereq.m4 new file mode 100644 index 00000000..f458f9dc --- /dev/null +++ b/m4/prereq.m4 @@ -0,0 +1,44 @@ +#serial 78 + +dnl We use gl_ for non Autoconf macros. +m4_pattern_forbid([^gl_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl + +# These are the prerequisite macros for files in the lib/ +# directory of the coreutils package. + + +# Copyright (C) 1998-2012 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Written by Jim Meyering. + + +AC_DEFUN([gl_PREREQ], +[ + # gnulib settings. + AC_REQUIRE([gl_FUNC_NONREENTRANT_EUIDACCESS]) + + # We don't use c-stack.c. + # AC_REQUIRE([gl_C_STACK]) + + # Invoke macros of modules that may migrate into gnulib. + # There's no need to list gnulib modules here, since gnulib-tool + # handles that; see ../bootstrap.conf. + AC_REQUIRE([gl_FD_REOPEN]) + AC_REQUIRE([gl_FUNC_XATTR]) + AC_REQUIRE([gl_FUNC_XFTS]) + AC_REQUIRE([gl_STRINTCMP]) + AC_REQUIRE([gl_STRNUMCMP]) +]) diff --git a/m4/printf-frexp.m4 b/m4/printf-frexp.m4 new file mode 100644 index 00000000..de5d641f --- /dev/null +++ b/m4/printf-frexp.m4 @@ -0,0 +1,38 @@ +# printf-frexp.m4 serial 5 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check how to define printf_frexp() without linking with libm. + +AC_DEFUN([gl_FUNC_PRINTF_FREXP], +[ + AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM]) + if test $gl_cv_func_frexp_no_libm = yes; then + gl_FUNC_FREXP_WORKS + case "$gl_cv_func_frexp_works" in + *yes) + AC_DEFINE([HAVE_FREXP_IN_LIBC], [1], + [Define if the frexp function is available in libc.]) + ;; + esac + fi + + AC_CACHE_CHECK([whether ldexp can be used without linking with libm], + [gl_cv_func_ldexp_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + double x; + int y;]], + [[return ldexp (x, y) < 1;]])], + [gl_cv_func_ldexp_no_libm=yes], + [gl_cv_func_ldexp_no_libm=no]) + ]) + if test $gl_cv_func_ldexp_no_libm = yes; then + AC_DEFINE([HAVE_LDEXP_IN_LIBC], [1], + [Define if the ldexp function is available in libc.]) + fi +]) diff --git a/m4/printf-frexpl.m4 b/m4/printf-frexpl.m4 new file mode 100644 index 00000000..55dd6bc1 --- /dev/null +++ b/m4/printf-frexpl.m4 @@ -0,0 +1,48 @@ +# printf-frexpl.m4 serial 9 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check how to define printf_frexpl() without linking with libm. + +AC_DEFUN([gl_FUNC_PRINTF_FREXPL], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) + + dnl Subset of gl_FUNC_FREXPL_NO_LIBM. + gl_CHECK_FREXPL_NO_LIBM + if test $gl_cv_func_frexpl_no_libm = yes; then + gl_FUNC_FREXPL_WORKS + case "$gl_cv_func_frexpl_works" in + *yes) gl_func_frexpl_no_libm=yes ;; + *) gl_func_frexpl_no_libm=no; REPLACE_FREXPL=1 ;; + esac + else + gl_func_frexpl_no_libm=no + dnl Set REPLACE_FREXPL here because the system may have frexpl in libm. + REPLACE_FREXPL=1 + fi + if test $gl_func_frexpl_no_libm = yes; then + AC_DEFINE([HAVE_FREXPL_IN_LIBC], [1], + [Define if the frexpl function is available in libc.]) + dnl Also check whether it's declared. + dnl MacOS X 10.3 has frexpl() in libc but doesn't declare it in <math.h>. + AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [[#include <math.h>]]) + fi + + gl_CHECK_LDEXPL_NO_LIBM + if test $gl_cv_func_ldexpl_no_libm = yes; then + gl_FUNC_LDEXPL_WORKS + case "$gl_cv_func_ldexpl_works" in + *yes) + AC_DEFINE([HAVE_LDEXPL_IN_LIBC], [1], + [Define if the ldexpl function is available in libc.]) + dnl Also check whether it's declared. + dnl MacOS X 10.3 has ldexpl() in libc but doesn't declare it in <math.h>. + AC_CHECK_DECL([ldexpl], , [HAVE_DECL_LDEXPL=0], [[#include <math.h>]]) + ;; + esac + fi +]) diff --git a/m4/printf.m4 b/m4/printf.m4 new file mode 100644 index 00000000..d75aca07 --- /dev/null +++ b/m4/printf.m4 @@ -0,0 +1,1569 @@ +# printf.m4 serial 48 +dnl Copyright (C) 2003, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Test whether the *printf family of functions supports the 'j', 'z', 't', +dnl 'L' size specifiers. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_printf_sizes_c99. + +AC_DEFUN([gl_PRINTF_SIZES_C99], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gl_AC_HEADER_STDINT_H]) + AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports size specifiers as in C99], + [gl_cv_func_printf_sizes_c99], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stddef.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#if HAVE_STDINT_H_WITH_UINTMAX +# include <stdint.h> +#endif +#if HAVE_INTTYPES_H_WITH_UINTMAX +# include <inttypes.h> +#endif +static char buf[100]; +int main () +{ + int result = 0; +#if HAVE_STDINT_H_WITH_UINTMAX || HAVE_INTTYPES_H_WITH_UINTMAX + buf[0] = '\0'; + if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0 + || strcmp (buf, "12345671 33") != 0) + result |= 1; +#endif + buf[0] = '\0'; + if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0 + || strcmp (buf, "12345672 33") != 0) + result |= 2; + buf[0] = '\0'; + if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0 + || strcmp (buf, "12345673 33") != 0) + result |= 4; + buf[0] = '\0'; + if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0 + || strcmp (buf, "1.5 33") != 0) + result |= 8; + return result; +}]])], + [gl_cv_func_printf_sizes_c99=yes], + [gl_cv_func_printf_sizes_c99=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on MacOS X >= 10.3. + darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";; + darwin*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on OpenBSD >= 3.9. + openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) + gl_cv_func_printf_sizes_c99="guessing no";; + openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on Solaris >= 2.10. + solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";; + solaris*) gl_cv_func_printf_sizes_c99="guessing no";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_printf_sizes_c99="guessing no";; + netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_sizes_c99="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports 'long double' +dnl arguments together with the 'L' size specifier. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_printf_long_double. + +AC_DEFUN([gl_PRINTF_LONG_DOUBLE], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports 'long double' arguments], + [gl_cv_func_printf_long_double], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static char buf[10000]; +int main () +{ + int result = 0; + buf[0] = '\0'; + if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0 + || strcmp (buf, "1.750000 33") != 0) + result |= 1; + buf[0] = '\0'; + if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0 + || strcmp (buf, "1.750000e+00 33") != 0) + result |= 2; + buf[0] = '\0'; + if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0 + || strcmp (buf, "1.75 33") != 0) + result |= 4; + return result; +}]])], + [gl_cv_func_printf_long_double=yes], + [gl_cv_func_printf_long_double=no], + [ +changequote(,)dnl + case "$host_os" in + beos*) gl_cv_func_printf_long_double="guessing no";; + mingw* | pw*) gl_cv_func_printf_long_double="guessing no";; + *) gl_cv_func_printf_long_double="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports infinite and NaN +dnl 'double' arguments and negative zero arguments in the %f, %e, %g +dnl directives. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_printf_infinite. + +AC_DEFUN([gl_PRINTF_INFINITE], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports infinite 'double' arguments], + [gl_cv_func_printf_infinite], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static int +strisnan (const char *string, size_t start_index, size_t end_index) +{ + if (start_index < end_index) + { + if (string[start_index] == '-') + start_index++; + if (start_index + 3 <= end_index + && memcmp (string + start_index, "nan", 3) == 0) + { + start_index += 3; + if (start_index == end_index + || (string[start_index] == '(' && string[end_index - 1] == ')')) + return 1; + } + } + return 0; +} +static int +have_minus_zero () +{ + static double plus_zero = 0.0; + double minus_zero = - plus_zero; + return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0; +} +static char buf[10000]; +static double zero = 0.0; +int main () +{ + int result = 0; + if (sprintf (buf, "%f", 1.0 / zero) < 0 + || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) + result |= 1; + if (sprintf (buf, "%f", -1.0 / zero) < 0 + || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) + result |= 1; + if (sprintf (buf, "%f", zero / zero) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 2; + if (sprintf (buf, "%e", 1.0 / zero) < 0 + || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) + result |= 4; + if (sprintf (buf, "%e", -1.0 / zero) < 0 + || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) + result |= 4; + if (sprintf (buf, "%e", zero / zero) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 8; + if (sprintf (buf, "%g", 1.0 / zero) < 0 + || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) + result |= 16; + if (sprintf (buf, "%g", -1.0 / zero) < 0 + || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) + result |= 16; + if (sprintf (buf, "%g", zero / zero) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 32; + /* This test fails on HP-UX 10.20. */ + if (have_minus_zero ()) + if (sprintf (buf, "%g", - zero) < 0 + || strcmp (buf, "-0") != 0) + result |= 64; + return result; +}]])], + [gl_cv_func_printf_infinite=yes], + [gl_cv_func_printf_infinite=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on FreeBSD >= 6. + freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on MacOS X >= 10.3. + darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";; + darwin*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on HP-UX >= 11. + hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";; + hpux*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_printf_infinite="guessing no";; + netbsd*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_printf_infinite="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_infinite="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports infinite and NaN +dnl 'long double' arguments in the %f, %e, %g directives. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_printf_infinite_long_double. + +AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE], +[ + AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + dnl The user can set or unset the variable gl_printf_safe to indicate + dnl that he wishes a safe handling of non-IEEE-754 'long double' values. + if test -n "$gl_printf_safe"; then + AC_DEFINE([CHECK_PRINTF_SAFE], [1], + [Define if you wish *printf() functions that have a safe handling of + non-IEEE-754 'long double' values.]) + fi + case "$gl_cv_func_printf_long_double" in + *yes) + AC_CACHE_CHECK([whether printf supports infinite 'long double' arguments], + [gl_cv_func_printf_infinite_long_double], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +]GL_NOCRASH[ +#include <float.h> +#include <stdio.h> +#include <string.h> +static int +strisnan (const char *string, size_t start_index, size_t end_index) +{ + if (start_index < end_index) + { + if (string[start_index] == '-') + start_index++; + if (start_index + 3 <= end_index + && memcmp (string + start_index, "nan", 3) == 0) + { + start_index += 3; + if (start_index == end_index + || (string[start_index] == '(' && string[end_index - 1] == ')')) + return 1; + } + } + return 0; +} +static char buf[10000]; +static long double zeroL = 0.0L; +int main () +{ + int result = 0; + nocrash_init(); + if (sprintf (buf, "%Lf", 1.0L / zeroL) < 0 + || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) + result |= 1; + if (sprintf (buf, "%Lf", -1.0L / zeroL) < 0 + || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) + result |= 1; + if (sprintf (buf, "%Lf", zeroL / zeroL) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 1; + if (sprintf (buf, "%Le", 1.0L / zeroL) < 0 + || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) + result |= 1; + if (sprintf (buf, "%Le", -1.0L / zeroL) < 0 + || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) + result |= 1; + if (sprintf (buf, "%Le", zeroL / zeroL) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 1; + if (sprintf (buf, "%Lg", 1.0L / zeroL) < 0 + || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) + result |= 1; + if (sprintf (buf, "%Lg", -1.0L / zeroL) < 0 + || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) + result |= 1; + if (sprintf (buf, "%Lg", zeroL / zeroL) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 1; +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE +/* Representation of an 80-bit 'long double' as an initializer for a sequence + of 'unsigned int' words. */ +# ifdef WORDS_BIGENDIAN +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \ + ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \ + (unsigned int) (mantlo) << 16 \ + } +# else +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { mantlo, manthi, exponent } +# endif + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + if (sprintf (buf, "%Lf", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 2; + if (sprintf (buf, "%Le", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 2; + if (sprintf (buf, "%Lg", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 2; + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + if (sprintf (buf, "%Lf", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 2; + if (sprintf (buf, "%Le", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 2; + if (sprintf (buf, "%Lg", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 2; + } + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + if (sprintf (buf, "%Lf", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 4; + if (sprintf (buf, "%Le", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 4; + if (sprintf (buf, "%Lg", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 4; + } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + if (sprintf (buf, "%Lf", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 8; + if (sprintf (buf, "%Le", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 8; + if (sprintf (buf, "%Lg", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 8; + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + if (sprintf (buf, "%Lf", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 16; + if (sprintf (buf, "%Le", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 16; + if (sprintf (buf, "%Lg", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 16; + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + if (sprintf (buf, "%Lf", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 32; + if (sprintf (buf, "%Le", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 32; + if (sprintf (buf, "%Lg", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 32; + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + if (sprintf (buf, "%Lf", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 64; + if (sprintf (buf, "%Le", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 64; + if (sprintf (buf, "%Lg", x.value) < 0 + || !strisnan (buf, 0, strlen (buf))) + result |= 64; + } +#endif + return result; +}]])], + [gl_cv_func_printf_infinite_long_double=yes], + [gl_cv_func_printf_infinite_long_double=no], + [ +changequote(,)dnl + case "$host_cpu" in + # Guess no on ia64, x86_64, i386. + ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";; + *) + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";; + # Guess yes on FreeBSD >= 6. + freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";; + # Guess yes on HP-UX >= 11. + hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";; + hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_infinite_long_double="guessing no";; + esac + ;; + esac +changequote([,])dnl + ]) + ]) + ;; + *) + gl_cv_func_printf_infinite_long_double="irrelevant" + ;; + esac +]) + +dnl Test whether the *printf family of functions supports the 'a' and 'A' +dnl conversion specifier for hexadecimal output of floating-point numbers. +dnl (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_printf_directive_a. + +AC_DEFUN([gl_PRINTF_DIRECTIVE_A], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives], + [gl_cv_func_printf_directive_a], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static char buf[100]; +static double zero = 0.0; +int main () +{ + int result = 0; + if (sprintf (buf, "%a %d", 3.1416015625, 33, 44, 55) < 0 + || (strcmp (buf, "0x1.922p+1 33") != 0 + && strcmp (buf, "0x3.244p+0 33") != 0 + && strcmp (buf, "0x6.488p-1 33") != 0 + && strcmp (buf, "0xc.91p-2 33") != 0)) + result |= 1; + if (sprintf (buf, "%A %d", -3.1416015625, 33, 44, 55) < 0 + || (strcmp (buf, "-0X1.922P+1 33") != 0 + && strcmp (buf, "-0X3.244P+0 33") != 0 + && strcmp (buf, "-0X6.488P-1 33") != 0 + && strcmp (buf, "-0XC.91P-2 33") != 0)) + result |= 2; + /* This catches a FreeBSD 6.1 bug: it doesn't round. */ + if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0 + || (strcmp (buf, "0x1.83p+0 33") != 0 + && strcmp (buf, "0x3.05p-1 33") != 0 + && strcmp (buf, "0x6.0ap-2 33") != 0 + && strcmp (buf, "0xc.14p-3 33") != 0)) + result |= 4; + /* This catches a FreeBSD 6.1 bug. See + <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */ + if (sprintf (buf, "%010a %d", 1.0 / zero, 33, 44, 55) < 0 + || buf[0] == '0') + result |= 8; + /* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */ + if (sprintf (buf, "%.1a", 1.999) < 0 + || (strcmp (buf, "0x1.0p+1") != 0 + && strcmp (buf, "0x2.0p+0") != 0 + && strcmp (buf, "0x4.0p-1") != 0 + && strcmp (buf, "0x8.0p-2") != 0)) + result |= 16; + /* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a + glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */ + if (sprintf (buf, "%.1La", 1.999L) < 0 + || (strcmp (buf, "0x1.0p+1") != 0 + && strcmp (buf, "0x2.0p+0") != 0 + && strcmp (buf, "0x4.0p-1") != 0 + && strcmp (buf, "0x8.0p-2") != 0)) + result |= 32; + return result; +}]])], + [gl_cv_func_printf_directive_a=yes], + [gl_cv_func_printf_directive_a=no], + [ + case "$host_os" in + # Guess yes on glibc >= 2.5 systems. + *-gnu*) + AC_EGREP_CPP([BZ2908], [ + #include <features.h> + #ifdef __GNU_LIBRARY__ + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)) && !defined __UCLIBC__ + BZ2908 + #endif + #endif + ], + [gl_cv_func_printf_directive_a="guessing yes"], + [gl_cv_func_printf_directive_a="guessing no"]) + ;; + # If we don't know, assume the worst. + *) gl_cv_func_printf_directive_a="guessing no";; + esac + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports the %F format +dnl directive. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_printf_directive_f. + +AC_DEFUN([gl_PRINTF_DIRECTIVE_F], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports the 'F' directive], + [gl_cv_func_printf_directive_f], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static char buf[100]; +static double zero = 0.0; +int main () +{ + int result = 0; + if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0 + || strcmp (buf, "1234567.000000 33") != 0) + result |= 1; + if (sprintf (buf, "%F", 1.0 / zero) < 0 + || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0)) + result |= 2; + /* This catches a Cygwin 1.5.x bug. */ + if (sprintf (buf, "%.F", 1234.0) < 0 + || strcmp (buf, "1234") != 0) + result |= 4; + return result; +}]])], + [gl_cv_func_printf_directive_f=yes], + [gl_cv_func_printf_directive_f=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_directive_f="guessing yes";; + # Guess yes on FreeBSD >= 6. + freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";; + # Guess yes on MacOS X >= 10.3. + darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";; + darwin*) gl_cv_func_printf_directive_f="guessing yes";; + # Guess yes on Solaris >= 2.10. + solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";; + solaris*) gl_cv_func_printf_sizes_c99="guessing no";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_directive_f="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports the %n format +dnl directive. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_printf_directive_n. + +AC_DEFUN([gl_PRINTF_DIRECTIVE_N], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports the 'n' directive], + [gl_cv_func_printf_directive_n], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef _MSC_VER +/* See page about "Parameter Validation" on msdn.microsoft.com. */ +static void cdecl +invalid_parameter_handler (const wchar_t *expression, + const wchar_t *function, + const wchar_t *file, unsigned int line, + uintptr_t dummy) +{ + exit (1); +} +#endif +static char fmtstring[10]; +static char buf[100]; +int main () +{ + int count = -1; +#ifdef _MSC_VER + _set_invalid_parameter_handler (invalid_parameter_handler); +#endif + /* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2) + support %n in format strings in read-only memory but not in writable + memory. */ + strcpy (fmtstring, "%d %n"); + if (sprintf (buf, fmtstring, 123, &count, 33, 44, 55) < 0 + || strcmp (buf, "123 ") != 0 + || count != 4) + return 1; + return 0; +}]])], + [gl_cv_func_printf_directive_n=yes], + [gl_cv_func_printf_directive_n=no], + [ +changequote(,)dnl + case "$host_os" in + mingw*) gl_cv_func_printf_directive_n="guessing no";; + *) gl_cv_func_printf_directive_n="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports the %ls format +dnl directive and in particular, when a precision is specified, whether +dnl the functions stop converting the wide string argument when the number +dnl of bytes that have been produced by this conversion equals or exceeds +dnl the precision. +dnl Result is gl_cv_func_printf_directive_ls. + +AC_DEFUN([gl_PRINTF_DIRECTIVE_LS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports the 'ls' directive], + [gl_cv_func_printf_directive_ls], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +#include <string.h> +int main () +{ + int result = 0; + char buf[100]; + /* Test whether %ls works at all. + This test fails on OpenBSD 4.0, IRIX 6.5, Solaris 2.6, Haiku, but not on + Cygwin 1.5. */ + { + static const wchar_t wstring[] = { 'a', 'b', 'c', 0 }; + buf[0] = '\0'; + if (sprintf (buf, "%ls", wstring) < 0 + || strcmp (buf, "abc") != 0) + result |= 1; + } + /* This test fails on IRIX 6.5, Solaris 2.6, Cygwin 1.5, Haiku (with an + assertion failure inside libc), but not on OpenBSD 4.0. */ + { + static const wchar_t wstring[] = { 'a', 0 }; + buf[0] = '\0'; + if (sprintf (buf, "%ls", wstring) < 0 + || strcmp (buf, "a") != 0) + result |= 2; + } + /* Test whether precisions in %ls are supported as specified in ISO C 99 + section 7.19.6.1: + "If a precision is specified, no more than that many bytes are written + (including shift sequences, if any), and the array shall contain a + null wide character if, to equal the multibyte character sequence + length given by the precision, the function would need to access a + wide character one past the end of the array." + This test fails on Solaris 10. */ + { + static const wchar_t wstring[] = { 'a', 'b', (wchar_t) 0xfdfdfdfd, 0 }; + buf[0] = '\0'; + if (sprintf (buf, "%.2ls", wstring) < 0 + || strcmp (buf, "ab") != 0) + result |= 8; + } + return result; +}]])], + [gl_cv_func_printf_directive_ls=yes], + [gl_cv_func_printf_directive_ls=no], + [ +changequote(,)dnl + case "$host_os" in + openbsd*) gl_cv_func_printf_directive_ls="guessing no";; + irix*) gl_cv_func_printf_directive_ls="guessing no";; + solaris*) gl_cv_func_printf_directive_ls="guessing no";; + cygwin*) gl_cv_func_printf_directive_ls="guessing no";; + beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";; + *) gl_cv_func_printf_directive_ls="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports POSIX/XSI format +dnl strings with positions. (POSIX:2001) +dnl Result is gl_cv_func_printf_positions. + +AC_DEFUN([gl_PRINTF_POSITIONS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports POSIX/XSI format strings with positions], + [gl_cv_func_printf_positions], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +/* The string "%2$d %1$d", with dollar characters protected from the shell's + dollar expansion (possibly an autoconf bug). */ +static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' }; +static char buf[100]; +int main () +{ + sprintf (buf, format, 33, 55); + return (strcmp (buf, "55 33") != 0); +}]])], + [gl_cv_func_printf_positions=yes], + [gl_cv_func_printf_positions=no], + [ +changequote(,)dnl + case "$host_os" in + netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*) + gl_cv_func_printf_positions="guessing no";; + beos*) gl_cv_func_printf_positions="guessing no";; + mingw* | pw*) gl_cv_func_printf_positions="guessing no";; + *) gl_cv_func_printf_positions="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports POSIX/XSI format +dnl strings with the ' flag for grouping of decimal digits. (POSIX:2001) +dnl Result is gl_cv_func_printf_flag_grouping. + +AC_DEFUN([gl_PRINTF_FLAG_GROUPING], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports the grouping flag], + [gl_cv_func_printf_flag_grouping], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static char buf[100]; +int main () +{ + if (sprintf (buf, "%'d %d", 1234567, 99) < 0 + || buf[strlen (buf) - 1] != '9') + return 1; + return 0; +}]])], + [gl_cv_func_printf_flag_grouping=yes], + [gl_cv_func_printf_flag_grouping=no], + [ +changequote(,)dnl + case "$host_os" in + cygwin*) gl_cv_func_printf_flag_grouping="guessing no";; + netbsd*) gl_cv_func_printf_flag_grouping="guessing no";; + mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";; + *) gl_cv_func_printf_flag_grouping="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports the - flag correctly. +dnl (ISO C99.) See +dnl <http://lists.gnu.org/archive/html/bug-coreutils/2008-02/msg00035.html> +dnl Result is gl_cv_func_printf_flag_leftadjust. + +AC_DEFUN([gl_PRINTF_FLAG_LEFTADJUST], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports the left-adjust flag correctly], + [gl_cv_func_printf_flag_leftadjust], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static char buf[100]; +int main () +{ + /* Check that a '-' flag is not annihilated by a negative width. */ + if (sprintf (buf, "a%-*sc", -3, "b") < 0 + || strcmp (buf, "ab c") != 0) + return 1; + return 0; +}]])], + [gl_cv_func_printf_flag_leftadjust=yes], + [gl_cv_func_printf_flag_leftadjust=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on HP-UX 11. + hpux11*) gl_cv_func_printf_flag_leftadjust="guessing yes";; + # Guess no on HP-UX 10 and older. + hpux*) gl_cv_func_printf_flag_leftadjust="guessing no";; + # Guess yes otherwise. + *) gl_cv_func_printf_flag_leftadjust="guessing yes";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports padding of non-finite +dnl values with the 0 flag correctly. (ISO C99 + TC1 + TC2.) See +dnl <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> +dnl Result is gl_cv_func_printf_flag_zero. + +AC_DEFUN([gl_PRINTF_FLAG_ZERO], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports the zero flag correctly], + [gl_cv_func_printf_flag_zero], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static char buf[100]; +static double zero = 0.0; +int main () +{ + if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0 + || (strcmp (buf, " inf") != 0 + && strcmp (buf, " infinity") != 0)) + return 1; + return 0; +}]])], + [gl_cv_func_printf_flag_zero=yes], + [gl_cv_func_printf_flag_zero=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_printf_flag_zero="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_flag_zero="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions supports large precisions. +dnl On mingw, precisions larger than 512 are treated like 512, in integer, +dnl floating-point or pointer output. On Solaris 10/x86, precisions larger +dnl than 510 in floating-point output crash the program. On Solaris 10/SPARC, +dnl precisions larger than 510 in floating-point output yield wrong results. +dnl On AIX 7.1, precisions larger than 998 in floating-point output yield +dnl wrong results. On BeOS, precisions larger than 1044 crash the program. +dnl Result is gl_cv_func_printf_precision. + +AC_DEFUN([gl_PRINTF_PRECISION], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf supports large precisions], + [gl_cv_func_printf_precision], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +static char buf[5000]; +int main () +{ + int result = 0; +#ifdef __BEOS__ + /* On BeOS, this would crash and show a dialog box. Avoid the crash. */ + return 1; +#endif + if (sprintf (buf, "%.4000d %d", 1, 33, 44) < 4000 + 3) + result |= 1; + if (sprintf (buf, "%.4000f %d", 1.0, 33, 44) < 4000 + 5) + result |= 2; + if (sprintf (buf, "%.511f %d", 1.0, 33, 44) < 511 + 5 + || buf[0] != '1') + result |= 4; + if (sprintf (buf, "%.999f %d", 1.0, 33, 44) < 999 + 5 + || buf[0] != '1') + result |= 4; + return result; +}]])], + [gl_cv_func_printf_precision=yes], + [gl_cv_func_printf_precision=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess no only on Solaris, native Windows, and BeOS systems. + solaris*) gl_cv_func_printf_precision="guessing no" ;; + mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;; + beos*) gl_cv_func_printf_precision="guessing no" ;; + *) gl_cv_func_printf_precision="guessing yes" ;; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the *printf family of functions recovers gracefully in case +dnl of an out-of-memory condition, or whether it crashes the entire program. +dnl Result is gl_cv_func_printf_enomem. + +AC_DEFUN([gl_PRINTF_ENOMEM], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gl_MULTIARCH]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether printf survives out-of-memory conditions], + [gl_cv_func_printf_enomem], + [ + gl_cv_func_printf_enomem="guessing no" + if test "$cross_compiling" = no; then + if test $APPLE_UNIVERSAL_BUILD = 0; then + AC_LANG_CONFTEST([AC_LANG_SOURCE([ +]GL_NOCRASH[ +changequote(,)dnl +#include <stdio.h> +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> +#include <errno.h> +int main() +{ + struct rlimit limit; + int ret; + nocrash_init (); + /* Some printf implementations allocate temporary space with malloc. */ + /* On BSD systems, malloc() is limited by RLIMIT_DATA. */ +#ifdef RLIMIT_DATA + if (getrlimit (RLIMIT_DATA, &limit) < 0) + return 77; + if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000) + limit.rlim_max = 5000000; + limit.rlim_cur = limit.rlim_max; + if (setrlimit (RLIMIT_DATA, &limit) < 0) + return 77; +#endif + /* On Linux systems, malloc() is limited by RLIMIT_AS. */ +#ifdef RLIMIT_AS + if (getrlimit (RLIMIT_AS, &limit) < 0) + return 77; + if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000) + limit.rlim_max = 5000000; + limit.rlim_cur = limit.rlim_max; + if (setrlimit (RLIMIT_AS, &limit) < 0) + return 77; +#endif + /* Some printf implementations allocate temporary space on the stack. */ +#ifdef RLIMIT_STACK + if (getrlimit (RLIMIT_STACK, &limit) < 0) + return 77; + if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000) + limit.rlim_max = 5000000; + limit.rlim_cur = limit.rlim_max; + if (setrlimit (RLIMIT_STACK, &limit) < 0) + return 77; +#endif + ret = printf ("%.5000000f", 1.0); + return !(ret == 5000002 || (ret < 0 && errno == ENOMEM)); +} +changequote([,])dnl + ])]) + if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then + (./conftest + result=$? + if test $result != 0 && test $result != 77; then result=1; fi + exit $result + ) >/dev/null 2>/dev/null + case $? in + 0) gl_cv_func_printf_enomem="yes" ;; + 77) gl_cv_func_printf_enomem="guessing no" ;; + *) gl_cv_func_printf_enomem="no" ;; + esac + else + gl_cv_func_printf_enomem="guessing no" + fi + rm -fr conftest* + else + dnl A universal build on Apple MacOS X platforms. + dnl The result would be 'no' in 32-bit mode and 'yes' in 64-bit mode. + dnl But we need a configuration result that is valid in both modes. + gl_cv_func_printf_enomem="guessing no" + fi + fi + if test "$gl_cv_func_printf_enomem" = "guessing no"; then +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on Solaris. + solaris*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on AIX. + aix*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on HP-UX/hppa. + hpux*) case "$host_cpu" in + hppa*) gl_cv_func_printf_enomem="guessing yes";; + *) gl_cv_func_printf_enomem="guessing no";; + esac + ;; + # Guess yes on IRIX. + irix*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on OSF/1. + osf*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_printf_enomem="guessing yes";; + # Guess yes on Haiku. + haiku*) gl_cv_func_printf_enomem="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_enomem="guessing no";; + esac +changequote([,])dnl + fi + ]) +]) + +dnl Test whether the snprintf function exists. (ISO C99, POSIX:2001) +dnl Result is ac_cv_func_snprintf. + +AC_DEFUN([gl_SNPRINTF_PRESENCE], +[ + AC_CHECK_FUNCS_ONCE([snprintf]) +]) + +dnl Test whether the string produced by the snprintf function is always NUL +dnl terminated. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_snprintf_truncation_c99. + +AC_DEFUN([gl_SNPRINTF_TRUNCATION_C99], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) + AC_CACHE_CHECK([whether snprintf truncates the result as in C99], + [gl_cv_func_snprintf_truncation_c99], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif +static char buf[100]; +int main () +{ + strcpy (buf, "ABCDEF"); + my_snprintf (buf, 3, "%d %d", 4567, 89); + if (memcmp (buf, "45\0DEF", 6) != 0) + return 1; + return 0; +}]])], + [gl_cv_func_snprintf_truncation_c99=yes], + [gl_cv_func_snprintf_truncation_c99=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on MacOS X >= 10.3. + darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";; + darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on OpenBSD >= 3.9. + openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) + gl_cv_func_snprintf_truncation_c99="guessing no";; + openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on Solaris >= 2.6. + solaris2.[0-5] | solaris2.[0-5].*) + gl_cv_func_snprintf_truncation_c99="guessing no";; + solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";; + aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on HP-UX >= 11. + hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";; + hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on IRIX >= 6.5. + irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on OSF/1 >= 5. + osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; + osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_snprintf_truncation_c99="guessing no";; + netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_snprintf_truncation_c99="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the return value of the snprintf function is the number +dnl of bytes (excluding the terminating NUL) that would have been produced +dnl if the buffer had been large enough. (ISO C99, POSIX:2001) +dnl For example, this test program fails on IRIX 6.5: +dnl --------------------------------------------------------------------- +dnl #include <stdio.h> +dnl int main() +dnl { +dnl static char buf[8]; +dnl int retval = snprintf (buf, 3, "%d", 12345); +dnl return retval >= 0 && retval < 3; +dnl } +dnl --------------------------------------------------------------------- +dnl Result is gl_cv_func_snprintf_retval_c99. + +AC_DEFUN_ONCE([gl_SNPRINTF_RETVAL_C99], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) + AC_CACHE_CHECK([whether snprintf returns a byte count as in C99], + [gl_cv_func_snprintf_retval_c99], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif +static char buf[100]; +int main () +{ + strcpy (buf, "ABCDEF"); + if (my_snprintf (buf, 3, "%d %d", 4567, 89) != 7) + return 1; + if (my_snprintf (buf, 0, "%d %d", 4567, 89) != 7) + return 2; + if (my_snprintf (NULL, 0, "%d %d", 4567, 89) != 7) + return 3; + return 0; +}]])], + [gl_cv_func_snprintf_retval_c99=yes], + [gl_cv_func_snprintf_retval_c99=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on MacOS X >= 10.3. + darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";; + darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on OpenBSD >= 3.9. + openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) + gl_cv_func_snprintf_retval_c99="guessing no";; + openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on Solaris >= 2.10. + solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";; + solaris*) gl_cv_func_printf_sizes_c99="guessing no";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";; + aix*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_snprintf_retval_c99="guessing no";; + netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_snprintf_retval_c99="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the snprintf function supports the %n format directive +dnl also in truncated portions of the format string. (ISO C99, POSIX:2001) +dnl Result is gl_cv_func_snprintf_directive_n. + +AC_DEFUN([gl_SNPRINTF_DIRECTIVE_N], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) + AC_CACHE_CHECK([whether snprintf fully supports the 'n' directive], + [gl_cv_func_snprintf_directive_n], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#include <string.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif +static char fmtstring[10]; +static char buf[100]; +int main () +{ + int count = -1; + /* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2) + support %n in format strings in read-only memory but not in writable + memory. */ + strcpy (fmtstring, "%d %n"); + my_snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55); + if (count != 6) + return 1; + return 0; +}]])], + [gl_cv_func_snprintf_directive_n=yes], + [gl_cv_func_snprintf_directive_n=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on MacOS X >= 10.3. + darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";; + darwin*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on Solaris >= 2.6. + solaris2.[0-5] | solaris2.[0-5].*) + gl_cv_func_snprintf_directive_n="guessing no";; + solaris*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";; + aix*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on IRIX >= 6.5. + irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on OSF/1 >= 5. + osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";; + osf*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_snprintf_directive_n="guessing no";; + netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_snprintf_directive_n="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_snprintf_directive_n="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl Test whether the snprintf function, when passed a size = 1, writes any +dnl output without bounds in this case, behaving like sprintf. This is the +dnl case on Linux libc5. +dnl Result is gl_cv_func_snprintf_size1. + +AC_DEFUN([gl_SNPRINTF_SIZE1], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) + AC_CACHE_CHECK([whether snprintf respects a size of 1], + [gl_cv_func_snprintf_size1], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif +int main() +{ + static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; + my_snprintf (buf, 1, "%d", 12345); + return buf[1] != 'E'; +}]])], + [gl_cv_func_snprintf_size1=yes], + [gl_cv_func_snprintf_size1=no], + [gl_cv_func_snprintf_size1="guessing yes"]) + ]) +]) + +dnl Test whether the vsnprintf function, when passed a zero size, produces no +dnl output. (ISO C99, POSIX:2001) +dnl For example, snprintf nevertheless writes a NUL byte in this case +dnl on OSF/1 5.1: +dnl --------------------------------------------------------------------- +dnl #include <stdio.h> +dnl int main() +dnl { +dnl static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; +dnl snprintf (buf, 0, "%d", 12345); +dnl return buf[0] != 'D'; +dnl } +dnl --------------------------------------------------------------------- +dnl And vsnprintf writes any output without bounds in this case, behaving like +dnl vsprintf, on HP-UX 11 and OSF/1 5.1: +dnl --------------------------------------------------------------------- +dnl #include <stdarg.h> +dnl #include <stdio.h> +dnl static int my_snprintf (char *buf, int size, const char *format, ...) +dnl { +dnl va_list args; +dnl int ret; +dnl va_start (args, format); +dnl ret = vsnprintf (buf, size, format, args); +dnl va_end (args); +dnl return ret; +dnl } +dnl int main() +dnl { +dnl static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; +dnl my_snprintf (buf, 0, "%d", 12345); +dnl return buf[0] != 'D'; +dnl } +dnl --------------------------------------------------------------------- +dnl Result is gl_cv_func_vsnprintf_zerosize_c99. + +AC_DEFUN([gl_VSNPRINTF_ZEROSIZE_C99], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether vsnprintf respects a zero size as in C99], + [gl_cv_func_vsnprintf_zerosize_c99], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdarg.h> +#include <stdio.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +int main() +{ + static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; + my_snprintf (buf, 0, "%d", 12345); + return buf[0] != 'D'; +}]])], + [gl_cv_func_vsnprintf_zerosize_c99=yes], + [gl_cv_func_vsnprintf_zerosize_c99=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on MacOS X >= 10.3. + darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on Cygwin. + cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on Solaris >= 2.6. + solaris2.[0-5] | solaris2.[0-5].*) + gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on IRIX >= 6.5. + irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on mingw. + mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + esac +changequote([,])dnl + ]) + ]) +]) + +dnl The results of these tests on various platforms are: +dnl +dnl 1 = gl_PRINTF_SIZES_C99 +dnl 2 = gl_PRINTF_LONG_DOUBLE +dnl 3 = gl_PRINTF_INFINITE +dnl 4 = gl_PRINTF_INFINITE_LONG_DOUBLE +dnl 5 = gl_PRINTF_DIRECTIVE_A +dnl 6 = gl_PRINTF_DIRECTIVE_F +dnl 7 = gl_PRINTF_DIRECTIVE_N +dnl 8 = gl_PRINTF_DIRECTIVE_LS +dnl 9 = gl_PRINTF_POSITIONS +dnl 10 = gl_PRINTF_FLAG_GROUPING +dnl 11 = gl_PRINTF_FLAG_LEFTADJUST +dnl 12 = gl_PRINTF_FLAG_ZERO +dnl 13 = gl_PRINTF_PRECISION +dnl 14 = gl_PRINTF_ENOMEM +dnl 15 = gl_SNPRINTF_PRESENCE +dnl 16 = gl_SNPRINTF_TRUNCATION_C99 +dnl 17 = gl_SNPRINTF_RETVAL_C99 +dnl 18 = gl_SNPRINTF_DIRECTIVE_N +dnl 19 = gl_SNPRINTF_SIZE1 +dnl 20 = gl_VSNPRINTF_ZEROSIZE_C99 +dnl +dnl 1 = checking whether printf supports size specifiers as in C99... +dnl 2 = checking whether printf supports 'long double' arguments... +dnl 3 = checking whether printf supports infinite 'double' arguments... +dnl 4 = checking whether printf supports infinite 'long double' arguments... +dnl 5 = checking whether printf supports the 'a' and 'A' directives... +dnl 6 = checking whether printf supports the 'F' directive... +dnl 7 = checking whether printf supports the 'n' directive... +dnl 8 = checking whether printf supports the 'ls' directive... +dnl 9 = checking whether printf supports POSIX/XSI format strings with positions... +dnl 10 = checking whether printf supports the grouping flag... +dnl 11 = checking whether printf supports the left-adjust flag correctly... +dnl 12 = checking whether printf supports the zero flag correctly... +dnl 13 = checking whether printf supports large precisions... +dnl 14 = checking whether printf survives out-of-memory conditions... +dnl 15 = checking for snprintf... +dnl 16 = checking whether snprintf truncates the result as in C99... +dnl 17 = checking whether snprintf returns a byte count as in C99... +dnl 18 = checking whether snprintf fully supports the 'n' directive... +dnl 19 = checking whether snprintf respects a size of 1... +dnl 20 = checking whether vsnprintf respects a zero size as in C99... +dnl +dnl . = yes, # = no. +dnl +dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . . +dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . . +dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . . +dnl MacOS X 10.5.8 . . . # # . . . . . . # . . . . . . . . +dnl MacOS X 10.3.9 . . . . # . . . . . . # . # . . . . . . +dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . . . . . . +dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . . +dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . . +dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . . +dnl Solaris 11 2011-11 . . # # # . . # . . . # . . . . . . . . +dnl Solaris 10 . . # # # . . # . . . # # . . . . . . . +dnl Solaris 2.6 ... 9 # . # # # # . # . . . # # . . . # . . . +dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # # +dnl AIX 7.1 . . # # # . . . . . . # # . . . . . . . +dnl AIX 5.2 . . # # # . . . . . . # . . . . . . . . +dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . # . . . +dnl HP-UX 11.31 . . . . # . . . . . . # . . . . # # . . +dnl HP-UX 11.{00,11,23} # . . . # # . . . . . # . . . . # # . # +dnl HP-UX 10.20 # . # . # # . ? . . # # . . . . # # ? # +dnl IRIX 6.5 # . # # # # . # . . . # . . . . # . . . +dnl OSF/1 5.1 # . # # # # . . . . . # . . . . # . . # +dnl OSF/1 4.0d # . # # # # . . . . . # . . # # # # # # +dnl NetBSD 5.0 . . . # # . . . . . . # . # . . . . . . +dnl NetBSD 4.0 . ? ? ? ? ? . ? . ? ? ? ? ? . . . ? ? ? +dnl NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . . +dnl Haiku . . . # # # . # . . . . . ? . . ? . . . +dnl BeOS # # . # # # . ? # . ? . # ? . . ? . . . +dnl old mingw / msvcrt # # # # # # . . # # . # # ? . # # # . . +dnl MSVC 9 # # # # # # # . # # . # # ? # # # # . . +dnl mingw 2009-2011 . # . # . . . . # # . . . ? . . . . . . +dnl mingw-w64 2011 # # # # # # . . # # . # # ? . # # # . . diff --git a/m4/priv-set.m4 b/m4/priv-set.m4 new file mode 100644 index 00000000..538757b7 --- /dev/null +++ b/m4/priv-set.m4 @@ -0,0 +1,16 @@ +# serial 7 + +# Copyright (C) 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by David Bartley. + +AC_DEFUN([gl_PRIV_SET], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_CHECK_FUNCS([getppriv]) + AC_CHECK_HEADERS_ONCE([priv.h]) +]) diff --git a/m4/progtest.m4 b/m4/progtest.m4 new file mode 100644 index 00000000..2d804ac9 --- /dev/null +++ b/m4/progtest.m4 @@ -0,0 +1,92 @@ +# progtest.m4 serial 6 (gettext-0.18) +dnl Copyright (C) 1996-2003, 2005, 2008-2010 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper <drepper@cygnus.com>, 1996. + +AC_PREREQ([2.50]) + +# Search path for a program which passes the given test. + +dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, +dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) +AC_DEFUN([AM_PATH_PROG_WITH_TEST], +[ +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "$2", so it can be a program name with args. +set dummy $2; ac_word=[$]2 +AC_MSG_CHECKING([for $ac_word]) +AC_CACHE_VAL([ac_cv_path_$1], +[case "[$]$1" in + [[\\/]]* | ?:[[\\/]]*) + ac_cv_path_$1="[$]$1" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in ifelse([$5], , $PATH, [$5]); do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD + if [$3]; then + ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" +dnl If no 4th arg is given, leave the cache variable unset, +dnl so AC_PATH_PROGS will keep looking. +ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" +])dnl + ;; +esac])dnl +$1="$ac_cv_path_$1" +if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then + AC_MSG_RESULT([$][$1]) +else + AC_MSG_RESULT([no]) +fi +AC_SUBST([$1])dnl +]) diff --git a/m4/pthread.m4 b/m4/pthread.m4 new file mode 100644 index 00000000..42a2a69c --- /dev/null +++ b/m4/pthread.m4 @@ -0,0 +1,79 @@ +# pthread.m4 serial 3 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_PTHREAD_CHECK], +[ + AC_REQUIRE([gl_PTHREAD_DEFAULTS]) + gl_CHECK_NEXT_HEADERS([pthread.h]) + if test $ac_cv_header_pthread_h = yes; then + HAVE_PTHREAD_H=1 + else + HAVE_PTHREAD_H=0 + fi + + AC_CHECK_TYPES([pthread_t, pthread_spinlock_t], [], [], + [AC_INCLUDES_DEFAULT[ + #if HAVE_PTHREAD_H + #include <pthread.h> + #endif]]) + if test $ac_cv_type_pthread_t != yes; then + HAVE_PTHREAD_T=0 + fi + if test $ac_cv_type_pthread_spinlock_t != yes; then + HAVE_PTHREAD_SPINLOCK_T=0 + fi + + if test $ac_cv_header_pthread_h != yes || + test $ac_cv_type_pthread_t != yes || + test $ac_cv_type_pthread_spinlock_t != yes; then + PTHREAD_H='pthread.h' + else + PTHREAD_H= + fi + AC_SUBST([PTHREAD_H]) + AM_CONDITIONAL([GL_GENERATE_PTHREAD_H], [test -n "$PTHREAD_H"]) + + LIB_PTHREAD= + if test $ac_cv_header_pthread_h = yes; then + dnl We cannot use AC_SEARCH_LIBS here, because on OSF/1 5.1 pthread_join + dnl is defined as a macro which expands to __phread_join, and libpthread + dnl contains a definition for __phread_join but none for pthread_join. + AC_CACHE_CHECK([for library containing pthread_join], + [gl_cv_search_pthread_join], + [gl_saved_libs="$LIBS" + gl_cv_search_pthread_join= + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h>]], + [[pthread_join (pthread_self (), (void **) 0);]])], + [gl_cv_search_pthread_join="none required"]) + if test -z "$gl_cv_search_pthread_join"; then + LIBS="-lpthread $gl_saved_libs" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h>]], + [[pthread_join (pthread_self (), (void **) 0);]])], + [gl_cv_search_pthread_join="-lpthread"]) + fi + LIBS="$gl_saved_libs" + ]) + if test "$gl_cv_search_pthread_join" != "none required"; then + LIB_PTHREAD="$gl_cv_search_pthread_join" + fi + fi + AC_SUBST([LIB_PTHREAD]) + + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_C_RESTRICT]) +]) + +AC_DEFUN([gl_PTHREAD_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_PTHREAD_H=1; AC_SUBST([HAVE_PTHREAD_H]) + HAVE_PTHREAD_T=1; AC_SUBST([HAVE_PTHREAD_T]) + HAVE_PTHREAD_SPINLOCK_T=1; AC_SUBST([HAVE_PTHREAD_SPINLOCK_T]) +]) diff --git a/m4/putenv.m4 b/m4/putenv.m4 new file mode 100644 index 00000000..b971b120 --- /dev/null +++ b/m4/putenv.m4 @@ -0,0 +1,50 @@ +# putenv.m4 serial 19 +dnl Copyright (C) 2002-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. +dnl +dnl Check whether putenv ("FOO") removes FOO from the environment. +dnl The putenv in libc on at least SunOS 4.1.4 does *not* do that. + +AC_DEFUN([gl_FUNC_PUTENV], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([for putenv compatible with GNU and SVID], + [gl_cv_func_svid_putenv], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[[ + /* Put it in env. */ + if (putenv ("CONFTEST_putenv=val")) + return 1; + + /* Try to remove it. */ + if (putenv ("CONFTEST_putenv")) + return 2; + + /* Make sure it was deleted. */ + if (getenv ("CONFTEST_putenv") != 0) + return 3; + + return 0; + ]])], + gl_cv_func_svid_putenv=yes, + gl_cv_func_svid_putenv=no, + dnl When crosscompiling, assume putenv is broken. + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_svid_putenv="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_svid_putenv="guessing no" ;; + esac + ]) + ]) + case "$gl_cv_func_svid_putenv" in + *yes) ;; + *) + REPLACE_PUTENV=1 + ;; + esac +]) diff --git a/m4/quote.m4 b/m4/quote.m4 new file mode 100644 index 00000000..7b055847 --- /dev/null +++ b/m4/quote.m4 @@ -0,0 +1,13 @@ +# quote.m4 serial 6 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_QUOTE], +[ + dnl Prerequisites of lib/quote.c. + dnl (none) + : +]) diff --git a/m4/quotearg.m4 b/m4/quotearg.m4 new file mode 100644 index 00000000..09c36bb2 --- /dev/null +++ b/m4/quotearg.m4 @@ -0,0 +1,10 @@ +# quotearg.m4 serial 9 +dnl Copyright (C) 2002, 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_QUOTEARG], +[ + : +]) diff --git a/m4/raise.m4 b/m4/raise.m4 new file mode 100644 index 00000000..18eb8b91 --- /dev/null +++ b/m4/raise.m4 @@ -0,0 +1,36 @@ +# raise.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_RAISE], +[ + AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_MSVC_INVAL]) + AC_CHECK_FUNCS([raise]) + if test $ac_cv_func_raise = no; then + HAVE_RAISE=0 + else + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_RAISE=1 + fi + m4_ifdef([gl_SIGNALBLOCKING], [ + gl_SIGNALBLOCKING + if test $HAVE_POSIX_SIGNALBLOCKING = 0; then + m4_ifdef([gl_SIGNAL_SIGPIPE], [ + gl_SIGNAL_SIGPIPE + if test $gl_cv_header_signal_h_SIGPIPE != yes; then + REPLACE_RAISE=1 + fi + ], [:]) + fi + ]) + fi +]) + +# Prerequisites of lib/raise.c. +AC_DEFUN([gl_PREREQ_RAISE], [ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/rawmemchr.m4 b/m4/rawmemchr.m4 new file mode 100644 index 00000000..19301644 --- /dev/null +++ b/m4/rawmemchr.m4 @@ -0,0 +1,20 @@ +# rawmemchr.m4 serial 2 +dnl Copyright (C) 2003, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_RAWMEMCHR], +[ + dnl Persuade glibc <string.h> to declare rawmemchr(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_FUNCS([rawmemchr]) + if test $ac_cv_func_rawmemchr = no; then + HAVE_RAWMEMCHR=0 + fi +]) + +# Prerequisites of lib/strchrnul.c. +AC_DEFUN([gl_PREREQ_RAWMEMCHR], [:]) diff --git a/m4/read-file.m4 b/m4/read-file.m4 new file mode 100644 index 00000000..36652472 --- /dev/null +++ b/m4/read-file.m4 @@ -0,0 +1,8 @@ +# read-file.m4 serial 3 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Prerequisites of lib/read-file.c. +AC_DEFUN([gl_PREREQ_READ_FILE], [:]) diff --git a/m4/read.m4 b/m4/read.m4 new file mode 100644 index 00000000..69aeb096 --- /dev/null +++ b/m4/read.m4 @@ -0,0 +1,29 @@ +# read.m4 serial 3 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_READ], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_READ=1 + fi + dnl This ifdef is just an optimization, to avoid performing a configure + dnl check whose result is not used. It does not make the test of + dnl GNULIB_UNISTD_H_NONBLOCKING or GNULIB_NONBLOCKING redundant. + m4_ifdef([gl_NONBLOCKING_IO], [ + gl_NONBLOCKING_IO + if test $gl_cv_have_nonblocking != yes; then + REPLACE_READ=1 + fi + ]) +]) + +# Prerequisites of lib/read.c. +AC_DEFUN([gl_PREREQ_READ], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/readdir.m4 b/m4/readdir.m4 new file mode 100644 index 00000000..437ec08c --- /dev/null +++ b/m4/readdir.m4 @@ -0,0 +1,15 @@ +# readdir.m4 serial 1 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_READDIR], +[ + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + + AC_CHECK_FUNCS([readdir]) + if test $ac_cv_func_readdir = no; then + HAVE_READDIR=0 + fi +]) diff --git a/m4/readlink.m4 b/m4/readlink.m4 new file mode 100644 index 00000000..ccf5141d --- /dev/null +++ b/m4/readlink.m4 @@ -0,0 +1,71 @@ +# readlink.m4 serial 12 +dnl Copyright (C) 2003, 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_READLINK], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([readlink]) + if test $ac_cv_func_readlink = no; then + HAVE_READLINK=0 + else + AC_CACHE_CHECK([whether readlink signature is correct], + [gl_cv_decl_readlink_works], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h> + /* Cause compilation failure if original declaration has wrong type. */ + ssize_t readlink (const char *, char *, size_t);]])], + [gl_cv_decl_readlink_works=yes], [gl_cv_decl_readlink_works=no])]) + dnl Solaris 9 ignores trailing slash. + dnl FreeBSD 7.2 dereferences only one level of links with trailing slash. + AC_CACHE_CHECK([whether readlink handles trailing slash correctly], + [gl_cv_func_readlink_works], + [# We have readlink, so assume ln -s works. + ln -s conftest.no-such conftest.link + ln -s conftest.link conftest.lnk2 + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h> +]], [[char buf[20]; + return readlink ("conftest.lnk2/", buf, sizeof buf) != -1;]])], + [gl_cv_func_readlink_works=yes], [gl_cv_func_readlink_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_readlink_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_readlink_works="guessing no" ;; + esac + ]) + rm -f conftest.link conftest.lnk2]) + case "$gl_cv_func_readlink_works" in + *yes) + if test "$gl_cv_decl_readlink_works" != yes; then + REPLACE_READLINK=1 + fi + ;; + *) + AC_DEFINE([READLINK_TRAILING_SLASH_BUG], [1], [Define to 1 if readlink + fails to recognize a trailing slash.]) + REPLACE_READLINK=1 + ;; + esac + fi +]) + +# Like gl_FUNC_READLINK, except prepare for separate compilation +# (no REPLACE_READLINK, no AC_LIBOBJ). +AC_DEFUN([gl_FUNC_READLINK_SEPARATE], +[ + AC_CHECK_FUNCS_ONCE([readlink]) + gl_PREREQ_READLINK +]) + +# Prerequisites of lib/readlink.c. +AC_DEFUN([gl_PREREQ_READLINK], +[ + : +]) diff --git a/m4/readlinkat.m4 b/m4/readlinkat.m4 new file mode 100644 index 00000000..455ab7ef --- /dev/null +++ b/m4/readlinkat.m4 @@ -0,0 +1,20 @@ +# serial 2 +# See if we need to provide readlinkat replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_READLINKAT], +[ + AC_REQUIRE([gl_FUNC_OPENAT]) + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([readlinkat]) + if test $ac_cv_func_readlinkat = no; then + HAVE_READLINKAT=0 + fi +]) diff --git a/m4/readtokens.m4 b/m4/readtokens.m4 new file mode 100644 index 00000000..18226c15 --- /dev/null +++ b/m4/readtokens.m4 @@ -0,0 +1,12 @@ +# readtokens.m4 serial 6 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/readtokens.c. +AC_DEFUN([gl_READTOKENS], +[ + : +]) diff --git a/m4/readutmp.m4 b/m4/readutmp.m4 new file mode 100644 index 00000000..82328233 --- /dev/null +++ b/m4/readutmp.m4 @@ -0,0 +1,61 @@ +# readutmp.m4 serial 19 +dnl Copyright (C) 2002-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_READUTMP], +[ + dnl Persuade utmpx.h to declare utmpxname + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_HEADERS_ONCE([utmp.h utmpx.h]) + if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then + dnl Prerequisites of lib/readutmp.h and lib/readutmp.c. + AC_REQUIRE([AC_C_INLINE]) + AC_CHECK_FUNCS_ONCE([utmpname utmpxname]) + AC_CHECK_DECLS([getutent],,,[[ +/* <sys/types.h> is a prerequisite of <utmp.h> on FreeBSD 8.0, OpenBSD 4.6. */ +#include <sys/types.h> +#ifdef HAVE_UTMP_H +# include <utmp.h> +#endif +]]) + utmp_includes="\ +AC_INCLUDES_DEFAULT +#ifdef HAVE_UTMPX_H +# include <utmpx.h> +#endif +#ifdef HAVE_UTMP_H +# if defined _THREAD_SAFE && defined UTMP_DATA_INIT + /* When including both utmp.h and utmpx.h on AIX 4.3, with _THREAD_SAFE + defined, work around the duplicate struct utmp_data declaration. */ +# define utmp_data gl_aix_4_3_workaround_utmp_data +# endif +# include <utmp.h> +#endif +" + AC_CHECK_MEMBERS([struct utmpx.ut_user],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_user],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmpx.ut_name],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmpx.ut_pid],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_pid],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmpx.ut_id],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_id],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmpx.ut_exit],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_exit],,,[$utmp_includes]) + + AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_exit],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_exit],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_exit],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_exit.e_exit],,,[$utmp_includes]) + + AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_termination],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_termination],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_termination],,,[$utmp_includes]) + AC_CHECK_MEMBERS([struct utmp.ut_exit.e_termination],,,[$utmp_includes]) + fi +]) diff --git a/m4/realloc.m4 b/m4/realloc.m4 new file mode 100644 index 00000000..954c2f0e --- /dev/null +++ b/m4/realloc.m4 @@ -0,0 +1,76 @@ +# realloc.m4 serial 13 +dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +m4_version_prereq([2.70], [] ,[ + +# This is taken from the following Autoconf patch: +# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9 +AC_DEFUN([_AC_FUNC_REALLOC_IF], +[ + AC_REQUIRE([AC_HEADER_STDC])dnl + AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles + AC_CHECK_HEADERS([stdlib.h]) + AC_CACHE_CHECK([for GNU libc compatible realloc], + [ac_cv_func_realloc_0_nonnull], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#if defined STDC_HEADERS || defined HAVE_STDLIB_H + # include <stdlib.h> + #else + char *realloc (); + #endif + ]], + [[return ! realloc (0, 0);]]) + ], + [ac_cv_func_realloc_0_nonnull=yes], + [ac_cv_func_realloc_0_nonnull=no], + [case "$host_os" in + # Guess yes on platforms where we know the result. + *-gnu* | freebsd* | netbsd* | openbsd* \ + | hpux* | solaris* | cygwin* | mingw*) + ac_cv_func_realloc_0_nonnull=yes ;; + # If we don't know, assume the worst. + *) ac_cv_func_realloc_0_nonnull=no ;; + esac + ]) + ]) + AS_IF([test $ac_cv_func_realloc_0_nonnull = yes], [$1], [$2]) +])# AC_FUNC_REALLOC + +]) + +# gl_FUNC_REALLOC_GNU +# ------------------- +# Test whether 'realloc (0, 0)' is handled like in GNU libc, and replace +# realloc if it is not. +AC_DEFUN([gl_FUNC_REALLOC_GNU], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + dnl _AC_FUNC_REALLOC_IF is defined in Autoconf. + _AC_FUNC_REALLOC_IF( + [AC_DEFINE([HAVE_REALLOC_GNU], [1], + [Define to 1 if your system has a GNU libc compatible 'realloc' + function, and to 0 otherwise.])], + [AC_DEFINE([HAVE_REALLOC_GNU], [0]) + REPLACE_REALLOC=1 + ]) +])# gl_FUNC_REALLOC_GNU + +# gl_FUNC_REALLOC_POSIX +# --------------------- +# Test whether 'realloc' is POSIX compliant (sets errno to ENOMEM when it +# fails), and replace realloc if it is not. +AC_DEFUN([gl_FUNC_REALLOC_POSIX], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_MALLOC_POSIX]) + if test $gl_cv_func_malloc_posix = yes; then + AC_DEFINE([HAVE_REALLOC_POSIX], [1], + [Define if the 'realloc' function is POSIX compliant.]) + else + REPLACE_REALLOC=1 + fi +]) diff --git a/m4/regex.m4 b/m4/regex.m4 new file mode 100644 index 00000000..41be5e8d --- /dev/null +++ b/m4/regex.m4 @@ -0,0 +1,226 @@ +# serial 61 + +# Copyright (C) 1996-2001, 2003-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl Initially derived from code in GNU grep. +dnl Mostly written by Jim Meyering. + +AC_PREREQ([2.50]) + +AC_DEFUN([gl_REGEX], +[ + AC_ARG_WITH([included-regex], + [AS_HELP_STRING([--without-included-regex], + [don't compile regex; this is the default on systems + with recent-enough versions of the GNU C Library + (use with caution on other systems).])]) + + case $with_included_regex in #( + yes|no) ac_use_included_regex=$with_included_regex + ;; + '') + # If the system regex support is good enough that it passes the + # following run test, then default to *not* using the included regex.c. + # If cross compiling, assume the test would fail and use the included + # regex.c. + AC_CACHE_CHECK([for working re_compile_pattern], + [gl_cv_func_re_compile_pattern_working], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT[ + #include <locale.h> + #include <limits.h> + #include <regex.h> + ]], + [[int result = 0; + static struct re_pattern_buffer regex; + unsigned char folded_chars[UCHAR_MAX + 1]; + int i; + const char *s; + struct re_registers regs; + + /* http://sourceware.org/ml/libc-hacker/2006-09/msg00008.html + This test needs valgrind to catch the bug on Debian + GNU/Linux 3.1 x86, but it might catch the bug better + on other platforms and it shouldn't hurt to try the + test here. */ + if (setlocale (LC_ALL, "en_US.UTF-8")) + { + static char const pat[] = "insert into"; + static char const data[] = + "\xFF\0\x12\xA2\xAA\xC4\xB1,K\x12\xC4\xB1*\xACK"; + re_set_syntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE + | RE_ICASE); + memset (®ex, 0, sizeof regex); + s = re_compile_pattern (pat, sizeof pat - 1, ®ex); + if (s) + result |= 1; + else if (re_search (®ex, data, sizeof data - 1, + 0, sizeof data - 1, ®s) + != -1) + result |= 1; + if (! setlocale (LC_ALL, "C")) + return 1; + } + + /* This test is from glibc bug 3957, reported by Andrew Mackey. */ + re_set_syntax (RE_SYNTAX_EGREP | RE_HAT_LISTS_NOT_NEWLINE); + memset (®ex, 0, sizeof regex); + s = re_compile_pattern ("a[^x]b", 6, ®ex); + if (s) + result |= 2; + /* This should fail, but succeeds for glibc-2.5. */ + else if (re_search (®ex, "a\nb", 3, 0, 3, ®s) != -1) + result |= 2; + + /* This regular expression is from Spencer ere test number 75 + in grep-2.3. */ + re_set_syntax (RE_SYNTAX_POSIX_EGREP); + memset (®ex, 0, sizeof regex); + for (i = 0; i <= UCHAR_MAX; i++) + folded_chars[i] = i; + regex.translate = folded_chars; + s = re_compile_pattern ("a[[:@:>@:]]b\n", 11, ®ex); + /* This should fail with _Invalid character class name_ error. */ + if (!s) + result |= 4; + + /* Ensure that [b-a] is diagnosed as invalid, when + using RE_NO_EMPTY_RANGES. */ + re_set_syntax (RE_SYNTAX_POSIX_EGREP | RE_NO_EMPTY_RANGES); + memset (®ex, 0, sizeof regex); + s = re_compile_pattern ("a[b-a]", 6, ®ex); + if (s == 0) + result |= 8; + + /* This should succeed, but does not for glibc-2.1.3. */ + memset (®ex, 0, sizeof regex); + s = re_compile_pattern ("{1", 2, ®ex); + if (s) + result |= 8; + + /* The following example is derived from a problem report + against gawk from Jorge Stolfi <stolfi@ic.unicamp.br>. */ + memset (®ex, 0, sizeof regex); + s = re_compile_pattern ("[an\371]*n", 7, ®ex); + if (s) + result |= 8; + /* This should match, but does not for glibc-2.2.1. */ + else if (re_match (®ex, "an", 2, 0, ®s) != 2) + result |= 8; + + memset (®ex, 0, sizeof regex); + s = re_compile_pattern ("x", 1, ®ex); + if (s) + result |= 8; + /* glibc-2.2.93 does not work with a negative RANGE argument. */ + else if (re_search (®ex, "wxy", 3, 2, -2, ®s) != 1) + result |= 8; + + /* The version of regex.c in older versions of gnulib + ignored RE_ICASE. Detect that problem too. */ + re_set_syntax (RE_SYNTAX_EMACS | RE_ICASE); + memset (®ex, 0, sizeof regex); + s = re_compile_pattern ("x", 1, ®ex); + if (s) + result |= 16; + else if (re_search (®ex, "WXY", 3, 0, 3, ®s) < 0) + result |= 16; + + /* Catch a bug reported by Vin Shelton in + http://lists.gnu.org/archive/html/bug-coreutils/2007-06/msg00089.html + */ + re_set_syntax (RE_SYNTAX_POSIX_BASIC + & ~RE_CONTEXT_INVALID_DUP + & ~RE_NO_EMPTY_RANGES); + memset (®ex, 0, sizeof regex); + s = re_compile_pattern ("[[:alnum:]_-]\\\\+$", 16, ®ex); + if (s) + result |= 32; + + /* REG_STARTEND was added to glibc on 2004-01-15. + Reject older versions. */ + if (! REG_STARTEND) + result |= 64; + +#if 0 + /* It would be nice to reject hosts whose regoff_t values are too + narrow (including glibc on hosts with 64-bit ptrdiff_t and + 32-bit int), but we should wait until glibc implements this + feature. Otherwise, support for equivalence classes and + multibyte collation symbols would always be broken except + when compiling --without-included-regex. */ + if (sizeof (regoff_t) < sizeof (ptrdiff_t) + || sizeof (regoff_t) < sizeof (ssize_t)) + result |= 64; +#endif + + return result; + ]])], + [gl_cv_func_re_compile_pattern_working=yes], + [gl_cv_func_re_compile_pattern_working=no], + dnl When crosscompiling, assume it is not working. + [gl_cv_func_re_compile_pattern_working=no])]) + case $gl_cv_func_re_compile_pattern_working in #( + yes) ac_use_included_regex=no;; #( + no) ac_use_included_regex=yes;; + esac + ;; + *) AC_MSG_ERROR([Invalid value for --with-included-regex: $with_included_regex]) + ;; + esac + + if test $ac_use_included_regex = yes; then + AC_DEFINE([_REGEX_INCLUDE_LIMITS_H], [1], + [Define if you want <regex.h> to include <limits.h>, so that it + consistently overrides <limits.h>'s RE_DUP_MAX.]) + AC_DEFINE([_REGEX_LARGE_OFFSETS], [1], + [Define if you want regoff_t to be at least as wide POSIX requires.]) + AC_DEFINE([re_syntax_options], [rpl_re_syntax_options], + [Define to rpl_re_syntax_options if the replacement should be used.]) + AC_DEFINE([re_set_syntax], [rpl_re_set_syntax], + [Define to rpl_re_set_syntax if the replacement should be used.]) + AC_DEFINE([re_compile_pattern], [rpl_re_compile_pattern], + [Define to rpl_re_compile_pattern if the replacement should be used.]) + AC_DEFINE([re_compile_fastmap], [rpl_re_compile_fastmap], + [Define to rpl_re_compile_fastmap if the replacement should be used.]) + AC_DEFINE([re_search], [rpl_re_search], + [Define to rpl_re_search if the replacement should be used.]) + AC_DEFINE([re_search_2], [rpl_re_search_2], + [Define to rpl_re_search_2 if the replacement should be used.]) + AC_DEFINE([re_match], [rpl_re_match], + [Define to rpl_re_match if the replacement should be used.]) + AC_DEFINE([re_match_2], [rpl_re_match_2], + [Define to rpl_re_match_2 if the replacement should be used.]) + AC_DEFINE([re_set_registers], [rpl_re_set_registers], + [Define to rpl_re_set_registers if the replacement should be used.]) + AC_DEFINE([re_comp], [rpl_re_comp], + [Define to rpl_re_comp if the replacement should be used.]) + AC_DEFINE([re_exec], [rpl_re_exec], + [Define to rpl_re_exec if the replacement should be used.]) + AC_DEFINE([regcomp], [rpl_regcomp], + [Define to rpl_regcomp if the replacement should be used.]) + AC_DEFINE([regexec], [rpl_regexec], + [Define to rpl_regexec if the replacement should be used.]) + AC_DEFINE([regerror], [rpl_regerror], + [Define to rpl_regerror if the replacement should be used.]) + AC_DEFINE([regfree], [rpl_regfree], + [Define to rpl_regfree if the replacement should be used.]) + fi +]) + +# Prerequisites of lib/regex.c and lib/regex_internal.c. +AC_DEFUN([gl_PREREQ_REGEX], +[ + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + AC_CHECK_HEADERS([libintl.h]) + AC_CHECK_FUNCS_ONCE([isblank iswctype wcscoll]) + AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]]) +]) diff --git a/m4/remove.m4 b/m4/remove.m4 new file mode 100644 index 00000000..809efb3c --- /dev/null +++ b/m4/remove.m4 @@ -0,0 +1,41 @@ +# remove.m4 serial 4 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_REMOVE], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_RMDIR]) + AC_REQUIRE([gl_FUNC_UNLINK]) + if { case "$gl_cv_func_rmdir_works:$gl_cv_func_unlink_works" in + *yes:*yes) false;; + *) true;; + esac + }; then + dnl If either underlying syscall is broken, then remove likely has + dnl the same bug; blindly use our replacement. + REPLACE_REMOVE=1 + else + dnl C89 requires remove(), but only POSIX requires it to handle + dnl directories. On mingw, directories fails with EPERM. + AC_CACHE_CHECK([whether remove handles directories], + [gl_cv_func_remove_dir_works], + [mkdir conftest.dir + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdio.h> +]], [[return remove ("conftest.dir");]])], + [gl_cv_func_remove_dir_works=yes], [gl_cv_func_remove_dir_works=no], + [case $host_os in + mingw*) gl_cv_func_remove_dir_works="guessing no";; + *) gl_cv_func_remove_dir_works="guessing yes";; + esac]) + rm -rf conftest.dir]) + case $gl_cv_func_remove_dir_works in + *no*) REPLACE_REMOVE=1;; + esac + fi +]) diff --git a/m4/rename.m4 b/m4/rename.m4 new file mode 100644 index 00000000..378b5ecf --- /dev/null +++ b/m4/rename.m4 @@ -0,0 +1,225 @@ +# serial 26 + +# Copyright (C) 2001, 2003, 2005-2006, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Volker Borchert. +dnl Determine whether rename works for source file names with a trailing slash. +dnl The rename from SunOS 4.1.1_U1 doesn't. +dnl +dnl If it doesn't, then define RENAME_TRAILING_SLASH_BUG and arrange +dnl to compile the wrapper function. +dnl + +AC_DEFUN([gl_FUNC_RENAME], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([lstat]) + + dnl Solaris 10, AIX 7.1 mistakenly allow rename("file","name/"). + dnl NetBSD 1.6 mistakenly forbids rename("dir","name/"). + dnl FreeBSD 7.2 mistakenly allows rename("file","link-to-file/"). + dnl The Solaris bug can be worked around without stripping + dnl trailing slash, while the NetBSD bug requires stripping; + dnl the two conditions can be distinguished by whether hard + dnl links are also broken. + AC_CACHE_CHECK([whether rename honors trailing slash on destination], + [gl_cv_func_rename_slash_dst_works], + [rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk + touch conftest.f && touch conftest.f1 && mkdir conftest.d1 || + AC_MSG_ERROR([cannot create temporary files]) + # Assume that if we have lstat, we can also check symlinks. + if test $ac_cv_func_lstat = yes; then + ln -s conftest.f conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include <stdio.h> +# include <stdlib.h> + ]], + [[int result = 0; + if (rename ("conftest.f1", "conftest.f2/") == 0) + result |= 1; + if (rename ("conftest.d1", "conftest.d2/") != 0) + result |= 2; +#if HAVE_LSTAT + if (rename ("conftest.f", "conftest.lnk/") == 0) + result |= 4; +#endif + return result; + ]])], + [gl_cv_func_rename_slash_dst_works=yes], + [gl_cv_func_rename_slash_dst_works=no], + dnl When crosscompiling, assume rename is broken. + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_slash_dst_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_slash_dst_works="guessing no" ;; + esac + ]) + rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk + ]) + case "$gl_cv_func_rename_slash_dst_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_TRAILING_SLASH_DEST_BUG], [1], + [Define if rename does not correctly handle slashes on the destination + argument, such as on Solaris 10 or NetBSD 1.6.]) + ;; + esac + + dnl SunOS 4.1.1_U1 mistakenly forbids rename("dir/","name"). + dnl Solaris 9 mistakenly allows rename("file/","name"). + dnl FreeBSD 7.2 mistakenly allows rename("link-to-file/","name"). + dnl These bugs require stripping trailing slash to avoid corrupting + dnl symlinks with a trailing slash. + AC_CACHE_CHECK([whether rename honors trailing slash on source], + [gl_cv_func_rename_slash_src_works], + [rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk + touch conftest.f && touch conftest.f1 && mkdir conftest.d1 || + AC_MSG_ERROR([cannot create temporary files]) + # Assume that if we have lstat, we can also check symlinks. + if test $ac_cv_func_lstat = yes; then + ln -s conftest.f conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include <stdio.h> +# include <stdlib.h> + ]], + [[int result = 0; + if (rename ("conftest.f1/", "conftest.d3") == 0) + result |= 1; + if (rename ("conftest.d1/", "conftest.d2") != 0) + result |= 2; +#if HAVE_LSTAT + if (rename ("conftest.lnk/", "conftest.f") == 0) + result |= 4; +#endif + return result; + ]])], + [gl_cv_func_rename_slash_src_works=yes], + [gl_cv_func_rename_slash_src_works=no], + dnl When crosscompiling, assume rename is broken. + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_slash_src_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_slash_src_works="guessing no" ;; + esac + ]) + rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk + ]) + case "$gl_cv_func_rename_slash_src_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_TRAILING_SLASH_SOURCE_BUG], [1], + [Define if rename does not correctly handle slashes on the source + argument, such as on Solaris 9 or cygwin 1.5.]) + ;; + esac + + dnl NetBSD 1.6 and cygwin 1.5.x mistakenly reduce hard link count + dnl on rename("h1","h2"). + dnl This bug requires stat'ting targets prior to attempting rename. + AC_CHECK_FUNCS_ONCE([link]) + AC_CACHE_CHECK([whether rename manages hard links correctly], + [gl_cv_func_rename_link_works], + [if test $ac_cv_func_link = yes; then + rm -rf conftest.f conftest.f1 + if touch conftest.f && ln conftest.f conftest.f1 && + set x `ls -i conftest.f conftest.f1` && test "$2" = "$4"; then + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include <stdio.h> +# include <stdlib.h> +# include <unistd.h> + ]], + [[int result = 0; + if (rename ("conftest.f", "conftest.f1")) + result |= 1; + if (unlink ("conftest.f1")) + result |= 2; + if (rename ("conftest.f", "conftest.f")) + result |= 4; + if (rename ("conftest.f1", "conftest.f1") == 0) + result |= 8; + return result; + ]])], + [gl_cv_func_rename_link_works=yes], + [gl_cv_func_rename_link_works=no], + dnl When crosscompiling, assume rename is broken. + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_link_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_link_works="guessing no" ;; + esac + ]) + else + gl_cv_func_rename_link_works="guessing no" + fi + rm -rf conftest.f conftest.f1 + else + gl_cv_func_rename_link_works=yes + fi + ]) + case "$gl_cv_func_rename_link_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_HARD_LINK_BUG], [1], + [Define if rename fails to leave hard links alone, as on NetBSD 1.6 + or Cygwin 1.5.]) + ;; + esac + + dnl Cygwin 1.5.x mistakenly allows rename("dir","file"). + dnl mingw mistakenly forbids rename("dir1","dir2"). + dnl These bugs require stripping trailing slash to avoid corrupting + dnl symlinks with a trailing slash. + AC_CACHE_CHECK([whether rename manages existing destinations correctly], + [gl_cv_func_rename_dest_works], + [rm -rf conftest.f conftest.d1 conftest.d2 + touch conftest.f && mkdir conftest.d1 conftest.d2 || + AC_MSG_ERROR([cannot create temporary files]) + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include <stdio.h> +# include <stdlib.h> + ]], + [[int result = 0; + if (rename ("conftest.d1", "conftest.d2") != 0) + result |= 1; + if (rename ("conftest.d2", "conftest.f") == 0) + result |= 2; + return result; + ]])], + [gl_cv_func_rename_dest_works=yes], + [gl_cv_func_rename_dest_works=no], + dnl When crosscompiling, assume rename is broken. + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rename_dest_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rename_dest_works="guessing no" ;; + esac + ]) + rm -rf conftest.f conftest.d1 conftest.d2 + ]) + case "$gl_cv_func_rename_dest_works" in + *yes) ;; + *) + REPLACE_RENAME=1 + AC_DEFINE([RENAME_DEST_EXISTS_BUG], [1], + [Define if rename does not work when the destination file exists, + as on Cygwin 1.5 or Windows.]) + ;; + esac +]) diff --git a/m4/rewinddir.m4 b/m4/rewinddir.m4 new file mode 100644 index 00000000..57463988 --- /dev/null +++ b/m4/rewinddir.m4 @@ -0,0 +1,15 @@ +# rewinddir.m4 serial 1 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_REWINDDIR], +[ + AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) + + AC_CHECK_FUNCS([rewinddir]) + if test $ac_cv_func_rewinddir = no; then + HAVE_REWINDDIR=0 + fi +]) diff --git a/m4/rmdir.m4 b/m4/rmdir.m4 new file mode 100644 index 00000000..34ca8763 --- /dev/null +++ b/m4/rmdir.m4 @@ -0,0 +1,49 @@ +# rmdir.m4 serial 13 +dnl Copyright (C) 2002, 2005, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_RMDIR], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + dnl Detect cygwin 1.5.x bug. + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works], + [mkdir conftest.dir + touch conftest.file + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdio.h> + #include <errno.h> + #if HAVE_UNISTD_H + # include <unistd.h> + #else /* on Windows with MSVC */ + # include <direct.h> + #endif +]], [[int result = 0; + if (!rmdir ("conftest.file/")) + result |= 1; + else if (errno != ENOTDIR) + result |= 2; + if (!rmdir ("conftest.dir/./")) + result |= 4; + return result; + ]])], + [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_rmdir_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_rmdir_works="guessing no" ;; + esac + ]) + rm -rf conftest.dir conftest.file]) + case "$gl_cv_func_rmdir_works" in + *yes) ;; + *) + REPLACE_RMDIR=1 + ;; + esac +]) diff --git a/m4/root-dev-ino.m4 b/m4/root-dev-ino.m4 new file mode 100644 index 00000000..4a794049 --- /dev/null +++ b/m4/root-dev-ino.m4 @@ -0,0 +1,14 @@ +#serial 3 +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_ROOT_DEV_INO], +[ + AC_LIBOBJ([root-dev-ino]) + + dnl Prerequisites + AC_REQUIRE([AC_FUNC_LSTAT]) + : +]) diff --git a/m4/rpmatch.m4 b/m4/rpmatch.m4 new file mode 100644 index 00000000..36eb82a0 --- /dev/null +++ b/m4/rpmatch.m4 @@ -0,0 +1,31 @@ +# rpmatch.m4 serial 10 +dnl Copyright (C) 2002-2003, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_RPMATCH], +[ + dnl Persuade glibc <stdlib.h> to declare rpmatch(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_CHECK_FUNCS([rpmatch]) + if test $ac_cv_func_rpmatch = no; then + HAVE_RPMATCH=0 + fi +]) + +# Prerequisites of lib/rpmatch.c. +AC_DEFUN([gl_PREREQ_RPMATCH], [ + AC_CACHE_CHECK([for nl_langinfo and YESEXPR], [gl_cv_langinfo_yesexpr], + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]], + [[char* cs = nl_langinfo(YESEXPR); return !cs;]])], + [gl_cv_langinfo_yesexpr=yes], + [gl_cv_langinfo_yesexpr=no]) + ]) + if test $gl_cv_langinfo_yesexpr = yes; then + AC_DEFINE([HAVE_LANGINFO_YESEXPR], [1], + [Define if you have <langinfo.h> and nl_langinfo(YESEXPR).]) + fi +]) diff --git a/m4/safe-read.m4 b/m4/safe-read.m4 new file mode 100644 index 00000000..c82acdb9 --- /dev/null +++ b/m4/safe-read.m4 @@ -0,0 +1,12 @@ +# safe-read.m4 serial 6 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Prerequisites of lib/safe-read.c. +AC_DEFUN([gl_PREREQ_SAFE_READ], +[ + AC_REQUIRE([gt_TYPE_SSIZE_T]) +]) diff --git a/m4/safe-write.m4 b/m4/safe-write.m4 new file mode 100644 index 00000000..c1eff6e2 --- /dev/null +++ b/m4/safe-write.m4 @@ -0,0 +1,11 @@ +# safe-write.m4 serial 4 +dnl Copyright (C) 2002, 2005-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Prerequisites of lib/safe-write.c. +AC_DEFUN([gl_PREREQ_SAFE_WRITE], +[ + gl_PREREQ_SAFE_READ +]) diff --git a/m4/same.m4 b/m4/same.m4 new file mode 100644 index 00000000..9a16f86a --- /dev/null +++ b/m4/same.m4 @@ -0,0 +1,13 @@ +#serial 9 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/same.c. +AC_DEFUN([gl_SAME], +[ + AC_REQUIRE([AC_SYS_LONG_FILE_NAMES]) + AC_CHECK_FUNCS_ONCE([pathconf]) +]) diff --git a/m4/save-cwd.m4 b/m4/save-cwd.m4 new file mode 100644 index 00000000..30963402 --- /dev/null +++ b/m4/save-cwd.m4 @@ -0,0 +1,11 @@ +# serial 10 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites for lib/save-cwd.c. +AC_DEFUN([gl_SAVE_CWD], +[ + AC_CHECK_FUNCS_ONCE([fchdir]) +]) diff --git a/m4/savedir.m4 b/m4/savedir.m4 new file mode 100644 index 00000000..486a1dd2 --- /dev/null +++ b/m4/savedir.m4 @@ -0,0 +1,11 @@ +# savedir.m4 serial 10 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SAVEDIR], +[ + : +]) diff --git a/m4/savewd.m4 b/m4/savewd.m4 new file mode 100644 index 00000000..5a38eafc --- /dev/null +++ b/m4/savewd.m4 @@ -0,0 +1,9 @@ +# Save and restore the working directory, possibly using a child process. + +dnl Copyright (C) 2004, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SAVEWD], + [AC_REQUIRE([AC_C_INLINE])]) diff --git a/m4/sched_h.m4 b/m4/sched_h.m4 new file mode 100644 index 00000000..53461463 --- /dev/null +++ b/m4/sched_h.m4 @@ -0,0 +1,40 @@ +# sched_h.m4 serial 6 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Bruno Haible. + +AC_DEFUN([gl_SCHED_H], +[ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #include <sched.h> + struct sched_param a; + int b[] = { SCHED_FIFO, SCHED_RR, SCHED_OTHER }; + pid_t t1; + ]])], + [SCHED_H=''], + [SCHED_H='sched.h' + + gl_CHECK_NEXT_HEADERS([sched.h]) + + if test $ac_cv_header_sched_h = yes; then + HAVE_SCHED_H=1 + else + HAVE_SCHED_H=0 + fi + AC_SUBST([HAVE_SCHED_H]) + + AC_CHECK_TYPE([struct sched_param], + [HAVE_STRUCT_SCHED_PARAM=1], [HAVE_STRUCT_SCHED_PARAM=0], + [#include <sched.h>]) + AC_SUBST([HAVE_STRUCT_SCHED_PARAM]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + ]) + AC_SUBST([SCHED_H]) + AM_CONDITIONAL([GL_GENERATE_SCHED_H], [test -n "$SCHED_H"]) +]) diff --git a/m4/select.m4 b/m4/select.m4 new file mode 100644 index 00000000..037b3d3c --- /dev/null +++ b/m4/select.m4 @@ -0,0 +1,75 @@ +# select.m4 serial 6 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_SELECT], +[ + AC_REQUIRE([gl_HEADER_SYS_SELECT]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SOCKETS]) + if test "$ac_cv_header_winsock2_h" = yes; then + REPLACE_SELECT=1 + else + dnl On Interix 3.5, select(0, NULL, NULL, NULL, timeout) fails with error + dnl EFAULT. + AC_CHECK_HEADERS_ONCE([sys/select.h]) + AC_CACHE_CHECK([whether select supports a 0 argument], + [gl_cv_func_select_supports0], + [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/types.h> +#include <sys/time.h> +#if HAVE_SYS_SELECT_H +#include <sys/select.h> +#endif +int main () +{ + struct timeval timeout; + timeout.tv_sec = 0; + timeout.tv_usec = 5; + return select (0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &timeout) < 0; +}]])], [gl_cv_func_select_supports0=yes], [gl_cv_func_select_supports0=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess no on Interix. + interix*) gl_cv_func_select_supports0="guessing no";; + # Guess yes otherwise. + *) gl_cv_func_select_supports0="guessing yes";; + esac +changequote([,])dnl + ]) + ]) + case "$gl_cv_func_select_supports0" in + *yes) ;; + *) REPLACE_SELECT=1 ;; + esac + fi + + dnl Determine the needed libraries. + LIB_SELECT="$LIBSOCKET" + if test $REPLACE_SELECT = 1; then + case "$host_os" in + mingw*) + dnl On the MSVC platform, the function MsgWaitForMultipleObjects + dnl (used in lib/select.c) requires linking with -luser32. On mingw, + dnl it is implicit. + AC_LINK_IFELSE( + [AC_LANG_SOURCE([[ +#define WIN32_LEAN_AND_MEAN +#include <windows.h> +int +main () +{ + MsgWaitForMultipleObjects (0, NULL, 0, 0, 0); + return 0; +}]])], + [], + [LIB_SELECT="$LIB_SELECT -luser32"]) + ;; + esac + fi + AC_SUBST([LIB_SELECT]) +]) diff --git a/m4/selinux-context-h.m4 b/m4/selinux-context-h.m4 new file mode 100644 index 00000000..7ad67bba --- /dev/null +++ b/m4/selinux-context-h.m4 @@ -0,0 +1,22 @@ +# serial 3 -*- Autoconf -*- +# Copyright (C) 2006-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# From Jim Meyering +# Provide <selinux/context.h>, if necessary. + +AC_DEFUN([gl_HEADERS_SELINUX_CONTEXT_H], +[ + AC_REQUIRE([gl_LIBSELINUX]) + if test "$with_selinux" != no; then + AC_CHECK_HEADERS([selinux/context.h], + [SELINUX_CONTEXT_H=], + [SELINUX_CONTEXT_H=selinux/context.h]) + else + SELINUX_CONTEXT_H=selinux/context.h + fi + AC_SUBST([SELINUX_CONTEXT_H]) + AM_CONDITIONAL([GL_GENERATE_SELINUX_CONTEXT_H], [test -n "$SELINUX_CONTEXT_H"]) +]) diff --git a/m4/selinux-selinux-h.m4 b/m4/selinux-selinux-h.m4 new file mode 100644 index 00000000..ed5215bb --- /dev/null +++ b/m4/selinux-selinux-h.m4 @@ -0,0 +1,69 @@ +# serial 5 -*- Autoconf -*- +# Copyright (C) 2006-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# From Jim Meyering +# Provide <selinux/selinux.h>, if necessary. +# If it is already present, provide wrapper functions to guard against +# misbehavior from getfilecon, lgetfilecon, and fgetfilecon. + +AC_DEFUN([gl_HEADERS_SELINUX_SELINUX_H], +[ + AC_REQUIRE([gl_LIBSELINUX]) + if test "$with_selinux" != no; then + AC_CHECK_HEADERS([selinux/selinux.h]) + + if test "$ac_cv_header_selinux_selinux_h" = yes; then + # We do have <selinux/selinux.h>, so do compile getfilecon.c + # and arrange to use its wrappers. + gl_CHECK_NEXT_HEADERS([selinux/selinux.h]) + AC_DEFINE([getfilecon], [rpl_getfilecon], + [Always use our getfilecon wrapper.]) + AC_DEFINE([lgetfilecon], [rpl_lgetfilecon], + [Always use our lgetfilecon wrapper.]) + AC_DEFINE([fgetfilecon], [rpl_fgetfilecon], + [Always use our fgetfilecon wrapper.]) + fi + + case "$ac_cv_search_setfilecon:$ac_cv_header_selinux_selinux_h" in + no:*) # already warned + ;; + *:no) + AC_MSG_WARN([libselinux was found but selinux/selinux.h is missing.]) + AC_MSG_WARN([AC_PACKAGE_NAME will be compiled without SELinux support.]) + esac + else + # Do as if <selinux/selinux.h> does not exist, even if + # AC_CHECK_HEADERS_ONCE has already determined that it exists. + AC_DEFINE([HAVE_SELINUX_SELINUX_H], [0]) + fi +]) + +AC_DEFUN([gl_LIBSELINUX], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_CANONICAL_BUILD]) + + AC_ARG_WITH([selinux], + AS_HELP_STRING([--without-selinux], [do not use SELinux, even on systems with SELinux]), + [], [with_selinux=maybe]) + + LIB_SELINUX= + if test "$with_selinux" != no; then + gl_save_LIBS=$LIBS + AC_SEARCH_LIBS([setfilecon], [selinux], + [test "$ac_cv_search_setfilecon" = "none required" || + LIB_SELINUX=$ac_cv_search_setfilecon]) + LIBS=$gl_save_LIBS + fi + AC_SUBST([LIB_SELINUX]) + + # Warn if SELinux is found but libselinux is absent; + if test "$ac_cv_search_setfilecon" = no && + test "$host" = "$build" && test -d /selinux; then + AC_MSG_WARN([This system supports SELinux but libselinux is missing.]) + AC_MSG_WARN([AC_PACKAGE_NAME will be compiled without SELinux support.]) + fi +]) diff --git a/m4/servent.m4 b/m4/servent.m4 new file mode 100644 index 00000000..21da957f --- /dev/null +++ b/m4/servent.m4 @@ -0,0 +1,51 @@ +# servent.m4 serial 2 +dnl Copyright (C) 2008, 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SERVENT], +[ + dnl Where are getservent(), setservent(), endservent(), getservbyname(), + dnl getservbyport() defined? + dnl Where are getprotoent(), setprotoent(), endprotoent(), getprotobyname(), + dnl getprotobynumber() defined? + dnl - On Solaris, they are in libsocket. Ignore libxnet. + dnl - On Haiku, they are in libnetwork. + dnl - On BeOS, they are in libnet. + dnl - On native Windows, they are in ws2_32.dll. + dnl - Otherwise they are in libc. + AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H + SERVENT_LIB= + gl_saved_libs="$LIBS" + AC_SEARCH_LIBS([getservbyname], [socket network net], + [if test "$ac_cv_search_getservbyname" != "none required"; then + SERVENT_LIB="$ac_cv_search_getservbyname" + fi]) + LIBS="$gl_saved_libs" + if test -z "$SERVENT_LIB"; then + AC_CHECK_FUNCS([getservbyname], , [ + AC_CACHE_CHECK([for getservbyname in winsock2.h and -lws2_32], + [gl_cv_w32_getservbyname], + [gl_cv_w32_getservbyname=no + gl_save_LIBS="$LIBS" + LIBS="$LIBS -lws2_32" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif +#include <stddef.h> + ]], + [[getservbyname(NULL,NULL);]])], + [gl_cv_w32_getservbyname=yes]) + LIBS="$gl_save_LIBS" + ]) + if test "$gl_cv_w32_getservbyname" = "yes"; then + SERVENT_LIB="-lws2_32" + fi + ]) + fi + AC_SUBST([SERVENT_LIB]) +]) diff --git a/m4/setenv.m4 b/m4/setenv.m4 new file mode 100644 index 00000000..e1931e7e --- /dev/null +++ b/m4/setenv.m4 @@ -0,0 +1,160 @@ +# setenv.m4 serial 26 +dnl Copyright (C) 2001-2004, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_SETENV], +[ + AC_REQUIRE([gl_FUNC_SETENV_SEPARATE]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + if test $ac_cv_func_setenv = no; then + HAVE_SETENV=0 + else + AC_CACHE_CHECK([whether setenv validates arguments], + [gl_cv_func_setenv_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ + #include <stdlib.h> + #include <errno.h> + #include <string.h> + ]], [[ + int result = 0; + { + if (setenv ("", "", 0) != -1) + result |= 1; + else if (errno != EINVAL) + result |= 2; + } + { + if (setenv ("a", "=", 1) != 0) + result |= 4; + else if (strcmp (getenv ("a"), "=") != 0) + result |= 8; + } + return result; + ]])], + [gl_cv_func_setenv_works=yes], [gl_cv_func_setenv_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_setenv_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_setenv_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_setenv_works" in + *yes) ;; + *) + REPLACE_SETENV=1 + ;; + esac + fi +]) + +# Like gl_FUNC_SETENV, except prepare for separate compilation +# (no REPLACE_SETENV, no AC_LIBOBJ). +AC_DEFUN([gl_FUNC_SETENV_SEPARATE], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_CHECK_DECLS_ONCE([setenv]) + if test $ac_cv_have_decl_setenv = no; then + HAVE_DECL_SETENV=0 + fi + AC_CHECK_FUNCS_ONCE([setenv]) + gl_PREREQ_SETENV +]) + +AC_DEFUN([gl_FUNC_UNSETENV], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_DECLS_ONCE([unsetenv]) + if test $ac_cv_have_decl_unsetenv = no; then + HAVE_DECL_UNSETENV=0 + fi + AC_CHECK_FUNCS([unsetenv]) + if test $ac_cv_func_unsetenv = no; then + HAVE_UNSETENV=0 + else + HAVE_UNSETENV=1 + dnl Some BSDs return void, failing to do error checking. + AC_CACHE_CHECK([for unsetenv() return type], [gt_cv_func_unsetenv_ret], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#undef _BSD +#define _BSD 1 /* unhide unsetenv declaration in OSF/1 5.1 <stdlib.h> */ +#include <stdlib.h> +extern +#ifdef __cplusplus +"C" +#endif +int unsetenv (const char *name); + ]], + [[]])], + [gt_cv_func_unsetenv_ret='int'], + [gt_cv_func_unsetenv_ret='void'])]) + if test $gt_cv_func_unsetenv_ret = 'void'; then + AC_DEFINE([VOID_UNSETENV], [1], [Define to 1 if unsetenv returns void + instead of int.]) + REPLACE_UNSETENV=1 + fi + + dnl Solaris 10 unsetenv does not remove all copies of a name. + dnl Haiku alpha 2 unsetenv gets confused by assignment to environ. + dnl OpenBSD 4.7 unsetenv("") does not fail. + AC_CACHE_CHECK([whether unsetenv obeys POSIX], + [gl_cv_func_unsetenv_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ + #include <stdlib.h> + #include <errno.h> + extern char **environ; + ]], [[ + char entry1[] = "a=1"; + char entry2[] = "b=2"; + char *env[] = { entry1, entry2, NULL }; + if (putenv ((char *) "a=1")) return 1; + if (putenv (entry2)) return 2; + entry2[0] = 'a'; + unsetenv ("a"); + if (getenv ("a")) return 3; + if (!unsetenv ("") || errno != EINVAL) return 4; + entry2[0] = 'b'; + environ = env; + if (!getenv ("a")) return 5; + entry2[0] = 'a'; + unsetenv ("a"); + if (getenv ("a")) return 6; + ]])], + [gl_cv_func_unsetenv_works=yes], [gl_cv_func_unsetenv_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_unsetenv_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_unsetenv_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_unsetenv_works" in + *yes) ;; + *) + REPLACE_UNSETENV=1 + ;; + esac + fi +]) + +# Prerequisites of lib/setenv.c. +AC_DEFUN([gl_PREREQ_SETENV], +[ + AC_REQUIRE([AC_FUNC_ALLOCA]) + AC_REQUIRE([gl_ENVIRON]) + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_CHECK_HEADERS([search.h]) + AC_CHECK_FUNCS([tsearch]) +]) + +# Prerequisites of lib/unsetenv.c. +AC_DEFUN([gl_PREREQ_UNSETENV], +[ + AC_REQUIRE([gl_ENVIRON]) + AC_CHECK_HEADERS_ONCE([unistd.h]) +]) diff --git a/m4/setlocale.m4 b/m4/setlocale.m4 new file mode 100644 index 00000000..c605241a --- /dev/null +++ b/m4/setlocale.m4 @@ -0,0 +1,29 @@ +# setlocale.m4 serial 4 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_SETLOCALE], +[ + AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + case "$host_os" in + dnl On native Windows systems, setlocale(category,NULL) does not look at + dnl the environment variables LC_ALL, category, and LANG. + mingw*) REPLACE_SETLOCALE=1 ;; + dnl On Cygwin 1.5.x, setlocale always succeeds but setlocale(LC_CTYPE,NULL) + dnl is then still "C". + cygwin*) + case `uname -r` in + 1.5.*) REPLACE_SETLOCALE=1 ;; + esac + ;; + esac +]) + +# Prerequisites of lib/setlocale.c. +AC_DEFUN([gl_PREREQ_SETLOCALE], +[ + : +]) diff --git a/m4/settime.m4 b/m4/settime.m4 new file mode 100644 index 00000000..da66f708 --- /dev/null +++ b/m4/settime.m4 @@ -0,0 +1,13 @@ +# settime.m4 serial 7 +dnl Copyright (C) 2002, 2004-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SETTIME], +[ + dnl Prerequisites of lib/settime.c. + AC_REQUIRE([gl_CLOCK_TIME]) + AC_REQUIRE([gl_TIMESPEC]) + AC_CHECK_FUNCS_ONCE([settimeofday stime]) +]) diff --git a/m4/sha1.m4 b/m4/sha1.m4 new file mode 100644 index 00000000..76198258 --- /dev/null +++ b/m4/sha1.m4 @@ -0,0 +1,13 @@ +# sha1.m4 serial 10 +dnl Copyright (C) 2002-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SHA1], +[ + dnl Prerequisites of lib/sha1.c. + AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/m4/sha256.m4 b/m4/sha256.m4 new file mode 100644 index 00000000..78cc95ed --- /dev/null +++ b/m4/sha256.m4 @@ -0,0 +1,12 @@ +# sha256.m4 serial 5 +dnl Copyright (C) 2005, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SHA256], +[ + dnl Prerequisites of lib/sha256.c. + AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/sha512.m4 b/m4/sha512.m4 new file mode 100644 index 00000000..937ea8d5 --- /dev/null +++ b/m4/sha512.m4 @@ -0,0 +1,12 @@ +# sha512.m4 serial 6 +dnl Copyright (C) 2005-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SHA512], +[ + dnl Prerequisites of lib/sha512.c. + AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/sig2str.m4 b/m4/sig2str.m4 new file mode 100644 index 00000000..43650b04 --- /dev/null +++ b/m4/sig2str.m4 @@ -0,0 +1,15 @@ +# serial 7 +dnl Copyright (C) 2002, 2005-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_SIG2STR], +[ + AC_CHECK_FUNCS([sig2str]) +]) + +# Prerequisites of lib/sig2str.c. +AC_DEFUN([gl_PREREQ_SIG2STR], [ + : +]) diff --git a/m4/sig_atomic_t.m4 b/m4/sig_atomic_t.m4 new file mode 100644 index 00000000..acda3568 --- /dev/null +++ b/m4/sig_atomic_t.m4 @@ -0,0 +1,14 @@ +# sig_atomic_t.m4 serial 3 +dnl Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gt_TYPE_SIG_ATOMIC_T], +[ + AC_CHECK_TYPES([sig_atomic_t], , + [AC_DEFINE([sig_atomic_t], [int], + [Define as an integer type suitable for memory locations that can be + accessed atomically even in the presence of asynchronous signals.])], + [#include <signal.h>]) +]) diff --git a/m4/sigaction.m4 b/m4/sigaction.m4 new file mode 100644 index 00000000..171d3a42 --- /dev/null +++ b/m4/sigaction.m4 @@ -0,0 +1,43 @@ +# sigaction.m4 serial 6 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Determine if sigaction interface is present. +AC_DEFUN([gl_SIGACTION], +[ + AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([sigaction]) + if test $ac_cv_func_sigaction = yes; then + AC_CHECK_MEMBERS([struct sigaction.sa_sigaction], , , + [[#include <signal.h>]]) + if test $ac_cv_member_struct_sigaction_sa_sigaction = no; then + HAVE_STRUCT_SIGACTION_SA_SIGACTION=0 + fi + else + HAVE_SIGACTION=0 + fi +]) + +# Prerequisites of the part of lib/signal.in.h and of lib/sigaction.c. +AC_DEFUN([gl_PREREQ_SIGACTION], +[ + AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([AC_TYPE_UID_T]) + AC_REQUIRE([gl_PREREQ_SIG_HANDLER_H]) + AC_CHECK_FUNCS_ONCE([sigaltstack siginterrupt]) + AC_CHECK_TYPES([siginfo_t], [], [], [[ +#include <signal.h> + ]]) + if test $ac_cv_type_siginfo_t = no; then + HAVE_SIGINFO_T=0 + fi +]) + +# Prerequisites of lib/sig-handler.h. +AC_DEFUN([gl_PREREQ_SIG_HANDLER_H], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/signal_h.m4 b/m4/signal_h.m4 new file mode 100644 index 00000000..ed4d7306 --- /dev/null +++ b/m4/signal_h.m4 @@ -0,0 +1,83 @@ +# signal_h.m4 serial 18 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SIGNAL_H], +[ + AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T]) + gl_NEXT_HEADERS([signal.h]) + +# AIX declares sig_atomic_t to already include volatile, and C89 compilers +# then choke on 'volatile sig_atomic_t'. C99 requires that it compile. + AC_CHECK_TYPE([volatile sig_atomic_t], [], + [HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=0], [[ +#include <signal.h> + ]]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + AC_REQUIRE([AC_TYPE_UID_T]) + + dnl Persuade glibc <signal.h> to define sighandler_t. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_TYPE([sighandler_t], [], [HAVE_SIGHANDLER_T=0], [[ +#include <signal.h> + ]]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <signal.h> + ]], [pthread_sigmask sigaction + sigaddset sigdelset sigemptyset sigfillset sigismember + sigpending sigprocmask]) +]) + +AC_DEFUN([gl_CHECK_TYPE_SIGSET_T], +[ + AC_CHECK_TYPES([sigset_t], + [gl_cv_type_sigset_t=yes], [gl_cv_type_sigset_t=no], + [[ + #include <signal.h> + /* Mingw defines sigset_t not in <signal.h>, but in <sys/types.h>. */ + #include <sys/types.h> + ]]) + if test $gl_cv_type_sigset_t != yes; then + HAVE_SIGSET_T=0 + fi +]) + +AC_DEFUN([gl_SIGNAL_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SIGNAL_H_DEFAULTS], +[ + GNULIB_PTHREAD_SIGMASK=0; AC_SUBST([GNULIB_PTHREAD_SIGMASK]) + GNULIB_RAISE=0; AC_SUBST([GNULIB_RAISE]) + GNULIB_SIGNAL_H_SIGPIPE=0; AC_SUBST([GNULIB_SIGNAL_H_SIGPIPE]) + GNULIB_SIGPROCMASK=0; AC_SUBST([GNULIB_SIGPROCMASK]) + GNULIB_SIGACTION=0; AC_SUBST([GNULIB_SIGACTION]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_POSIX_SIGNALBLOCKING=1; AC_SUBST([HAVE_POSIX_SIGNALBLOCKING]) + HAVE_PTHREAD_SIGMASK=1; AC_SUBST([HAVE_PTHREAD_SIGMASK]) + HAVE_RAISE=1; AC_SUBST([HAVE_RAISE]) + HAVE_SIGSET_T=1; AC_SUBST([HAVE_SIGSET_T]) + HAVE_SIGINFO_T=1; AC_SUBST([HAVE_SIGINFO_T]) + HAVE_SIGACTION=1; AC_SUBST([HAVE_SIGACTION]) + HAVE_STRUCT_SIGACTION_SA_SIGACTION=1; + AC_SUBST([HAVE_STRUCT_SIGACTION_SA_SIGACTION]) + HAVE_TYPE_VOLATILE_SIG_ATOMIC_T=1; + AC_SUBST([HAVE_TYPE_VOLATILE_SIG_ATOMIC_T]) + HAVE_SIGHANDLER_T=1; AC_SUBST([HAVE_SIGHANDLER_T]) + REPLACE_PTHREAD_SIGMASK=0; AC_SUBST([REPLACE_PTHREAD_SIGMASK]) + REPLACE_RAISE=0; AC_SUBST([REPLACE_RAISE]) +]) diff --git a/m4/signalblocking.m4 b/m4/signalblocking.m4 new file mode 100644 index 00000000..ab8035ef --- /dev/null +++ b/m4/signalblocking.m4 @@ -0,0 +1,27 @@ +# signalblocking.m4 serial 13 +dnl Copyright (C) 2001-2002, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Determine available signal blocking primitives. Three different APIs exist: +# 1) POSIX: sigemptyset, sigaddset, sigprocmask +# 2) SYSV: sighold, sigrelse +# 3) BSD: sigblock, sigsetmask +# For simplicity, here we check only for the POSIX signal blocking. +AC_DEFUN([gl_SIGNALBLOCKING], +[ + AC_REQUIRE([gl_SIGNAL_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T]) + if test $gl_cv_type_sigset_t = yes; then + AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1]) + fi + if test -z "$gl_cv_func_sigprocmask"; then + HAVE_POSIX_SIGNALBLOCKING=0 + fi +]) + +# Prerequisites of lib/sigprocmask.c. +AC_DEFUN([gl_PREREQ_SIGPROCMASK], [ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/signbit.m4 b/m4/signbit.m4 new file mode 100644 index 00000000..e9877f68 --- /dev/null +++ b/m4/signbit.m4 @@ -0,0 +1,365 @@ +# signbit.m4 serial 12 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SIGNBIT], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([for signbit macro], [gl_cv_func_signbit], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <math.h> +/* If signbit is defined as a function, don't use it, since calling it for + 'float' or 'long double' arguments would involve conversions. + If signbit is not declared at all but exists as a library function, don't + use it, since the prototype may not match. + If signbit is not declared at all but exists as a compiler built-in, don't + use it, since it's preferable to use __builtin_signbit* (no warnings, + no conversions). */ +#ifndef signbit +# error "signbit should be a macro" +#endif +#include <string.h> +]gl_SIGNBIT_TEST_PROGRAM +])], + [gl_cv_func_signbit=yes], + [gl_cv_func_signbit=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_signbit="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_signbit="guessing no" ;; + esac + ]) + ]) + dnl GCC 4.0 and newer provides three built-ins for signbit. + dnl They can be used without warnings, also in C++, regardless of <math.h>. + dnl But they may expand to calls to functions, which may or may not be in + dnl libc. + AC_CACHE_CHECK([for signbit compiler built-ins], [gl_cv_func_signbit_gcc], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#if __GNUC__ >= 4 +# define signbit(x) \ + (sizeof (x) == sizeof (long double) ? __builtin_signbitl (x) : \ + sizeof (x) == sizeof (double) ? __builtin_signbit (x) : \ + __builtin_signbitf (x)) +#else +# error "signbit should be three compiler built-ins" +#endif +#include <string.h> +]gl_SIGNBIT_TEST_PROGRAM +])], + [gl_cv_func_signbit_gcc=yes], + [gl_cv_func_signbit_gcc=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_signbit_gcc="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_signbit_gcc="guessing no" ;; + esac + ]) + ]) + dnl Use the compiler built-ins whenever possible, because they are more + dnl efficient than the system library functions (if they exist). + case "$gl_cv_func_signbit_gcc" in + *yes) + REPLACE_SIGNBIT_USING_GCC=1 + ;; + *) + case "$gl_cv_func_signbit" in + *yes) ;; + *) + dnl REPLACE_SIGNBIT=1 makes sure the signbit[fdl] functions get built. + REPLACE_SIGNBIT=1 + gl_FLOAT_SIGN_LOCATION + gl_DOUBLE_SIGN_LOCATION + gl_LONG_DOUBLE_SIGN_LOCATION + if test "$gl_cv_cc_float_signbit" = unknown; then + dnl Test whether copysignf() is declared. + AC_CHECK_DECLS([copysignf], , , [[#include <math.h>]]) + if test "$ac_cv_have_decl_copysignf" = yes; then + dnl Test whether copysignf() can be used without libm. + AC_CACHE_CHECK([whether copysignf can be used without linking with libm], + [gl_cv_func_copysignf_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + float x, y;]], + [[return copysignf (x, y) < 0;]])], + [gl_cv_func_copysignf_no_libm=yes], + [gl_cv_func_copysignf_no_libm=no]) + ]) + if test $gl_cv_func_copysignf_no_libm = yes; then + AC_DEFINE([HAVE_COPYSIGNF_IN_LIBC], [1], + [Define if the copysignf function is declared in <math.h> and available in libc.]) + fi + fi + fi + if test "$gl_cv_cc_double_signbit" = unknown; then + dnl Test whether copysign() is declared. + AC_CHECK_DECLS([copysign], , , [[#include <math.h>]]) + if test "$ac_cv_have_decl_copysign" = yes; then + dnl Test whether copysign() can be used without libm. + AC_CACHE_CHECK([whether copysign can be used without linking with libm], + [gl_cv_func_copysign_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + double x, y;]], + [[return copysign (x, y) < 0;]])], + [gl_cv_func_copysign_no_libm=yes], + [gl_cv_func_copysign_no_libm=no]) + ]) + if test $gl_cv_func_copysign_no_libm = yes; then + AC_DEFINE([HAVE_COPYSIGN_IN_LIBC], [1], + [Define if the copysign function is declared in <math.h> and available in libc.]) + fi + fi + fi + if test "$gl_cv_cc_long_double_signbit" = unknown; then + dnl Test whether copysignl() is declared. + AC_CHECK_DECLS([copysignl], , , [[#include <math.h>]]) + if test "$ac_cv_have_decl_copysignl" = yes; then + dnl Test whether copysignl() can be used without libm. + AC_CACHE_CHECK([whether copysignl can be used without linking with libm], + [gl_cv_func_copysignl_no_libm], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <math.h> + long double x, y;]], + [[return copysignl (x, y) < 0;]])], + [gl_cv_func_copysignl_no_libm=yes], + [gl_cv_func_copysignl_no_libm=no]) + ]) + if test $gl_cv_func_copysignl_no_libm = yes; then + AC_DEFINE([HAVE_COPYSIGNL_IN_LIBC], [1], + [Define if the copysignl function is declared in <math.h> and available in libc.]) + fi + fi + fi + ;; + esac + ;; + esac +]) + +AC_DEFUN([gl_SIGNBIT_TEST_PROGRAM], [[ +/* Global variables. + Needed because GCC 4 constant-folds __builtin_signbitl (literal) + but cannot constant-fold __builtin_signbitl (variable). */ +float vf; +double vd; +long double vl; +int main () +{ +/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0. + So we use -p0f and -p0d instead. */ +float p0f = 0.0f; +float m0f = -p0f; +double p0d = 0.0; +double m0d = -p0d; +/* On HP-UX 10.20, negating 0.0L does not yield -0.0L. + So we use another constant expression instead. + But that expression does not work on other platforms, such as when + cross-compiling to PowerPC on MacOS X 10.5. */ +long double p0l = 0.0L; +#if defined __hpux || defined __sgi +long double m0l = -LDBL_MIN * LDBL_MIN; +#else +long double m0l = -p0l; +#endif + int result = 0; + if (signbit (vf)) /* link check */ + vf++; + { + float plus_inf = 1.0f / p0f; + float minus_inf = -1.0f / p0f; + if (!(!signbit (255.0f) + && signbit (-255.0f) + && !signbit (p0f) + && (memcmp (&m0f, &p0f, sizeof (float)) == 0 || signbit (m0f)) + && !signbit (plus_inf) + && signbit (minus_inf))) + result |= 1; + } + if (signbit (vd)) /* link check */ + vd++; + { + double plus_inf = 1.0 / p0d; + double minus_inf = -1.0 / p0d; + if (!(!signbit (255.0) + && signbit (-255.0) + && !signbit (p0d) + && (memcmp (&m0d, &p0d, sizeof (double)) == 0 || signbit (m0d)) + && !signbit (plus_inf) + && signbit (minus_inf))) + result |= 2; + } + if (signbit (vl)) /* link check */ + vl++; + { + long double plus_inf = 1.0L / p0l; + long double minus_inf = -1.0L / p0l; + if (signbit (255.0L)) + result |= 4; + if (!signbit (-255.0L)) + result |= 4; + if (signbit (p0l)) + result |= 8; + if (!(memcmp (&m0l, &p0l, sizeof (long double)) == 0 || signbit (m0l))) + result |= 16; + if (signbit (plus_inf)) + result |= 32; + if (!signbit (minus_inf)) + result |= 64; + } + return result; +} +]]) + +AC_DEFUN([gl_FLOAT_SIGN_LOCATION], +[ + gl_FLOATTYPE_SIGN_LOCATION([float], [gl_cv_cc_float_signbit], [f], [FLT]) +]) + +AC_DEFUN([gl_DOUBLE_SIGN_LOCATION], +[ + gl_FLOATTYPE_SIGN_LOCATION([double], [gl_cv_cc_double_signbit], [], [DBL]) +]) + +AC_DEFUN([gl_LONG_DOUBLE_SIGN_LOCATION], +[ + gl_FLOATTYPE_SIGN_LOCATION([long double], [gl_cv_cc_long_double_signbit], [L], [LDBL]) +]) + +AC_DEFUN([gl_FLOATTYPE_SIGN_LOCATION], +[ + AC_CACHE_CHECK([where to find the sign bit in a '$1'], + [$2], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stddef.h> +#include <stdio.h> +#define NWORDS \ + ((sizeof ($1) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) +typedef union { $1 value; unsigned int word[NWORDS]; } + memory_float; +static memory_float plus = { 1.0$3 }; +static memory_float minus = { -1.0$3 }; +int main () +{ + size_t j, k, i; + unsigned int m; + FILE *fp = fopen ("conftest.out", "w"); + if (fp == NULL) + return 1; + /* Find the different bit. */ + k = 0; m = 0; + for (j = 0; j < NWORDS; j++) + { + unsigned int x = plus.word[j] ^ minus.word[j]; + if ((x & (x - 1)) || (x && m)) + { + /* More than one bit difference. */ + fprintf (fp, "unknown"); + return 2; + } + if (x) + { + k = j; + m = x; + } + } + if (m == 0) + { + /* No difference. */ + fprintf (fp, "unknown"); + return 3; + } + /* Now m = plus.word[k] ^ ~minus.word[k]. */ + if (plus.word[k] & ~minus.word[k]) + { + /* Oh? The sign bit is set in the positive and cleared in the negative + numbers? */ + fprintf (fp, "unknown"); + return 4; + } + for (i = 0; ; i++) + if ((m >> i) & 1) + break; + fprintf (fp, "word %d bit %d", (int) k, (int) i); + if (fclose (fp) != 0) + return 5; + return 0; +} + ]])], + [$2=`cat conftest.out`], + [$2="unknown"], + [ + dnl When cross-compiling, we don't know. It depends on the + dnl ABI and compiler version. There are too many cases. + $2="unknown" + ]) + rm -f conftest.out + ]) + case "$]$2[" in + word*bit*) + word=`echo "$]$2[" | sed -e 's/word //' -e 's/ bit.*//'` + bit=`echo "$]$2[" | sed -e 's/word.*bit //'` + AC_DEFINE_UNQUOTED([$4][_SIGNBIT_WORD], [$word], + [Define as the word index where to find the sign of '$1'.]) + AC_DEFINE_UNQUOTED([$4][_SIGNBIT_BIT], [$bit], + [Define as the bit index in the word where to find the sign of '$1'.]) + ;; + esac +]) + +# Expands to code that defines a function signbitf(float). +# It extracts the sign bit of a non-NaN value. +AC_DEFUN([gl_FLOAT_SIGNBIT_CODE], +[ + gl_FLOATTYPE_SIGNBIT_CODE([float], [f], [f]) +]) + +# Expands to code that defines a function signbitd(double). +# It extracts the sign bit of a non-NaN value. +AC_DEFUN([gl_DOUBLE_SIGNBIT_CODE], +[ + gl_FLOATTYPE_SIGNBIT_CODE([double], [d], []) +]) + +# Expands to code that defines a function signbitl(long double). +# It extracts the sign bit of a non-NaN value. +AC_DEFUN([gl_LONG_DOUBLE_SIGNBIT_CODE], +[ + gl_FLOATTYPE_SIGNBIT_CODE([long double], [l], [L]) +]) + +AC_DEFUN([gl_FLOATTYPE_SIGNBIT_CODE], +[[ +static int +signbit$2 ($1 value) +{ + typedef union { $1 f; unsigned char b[sizeof ($1)]; } float_union; + static float_union plus_one = { 1.0$3 }; /* unused bits are zero here */ + static float_union minus_one = { -1.0$3 }; /* unused bits are zero here */ + /* Compute the sign bit mask as the XOR of plus_one and minus_one. */ + float_union u; + unsigned int i; + u.f = value; + for (i = 0; i < sizeof ($1); i++) + if (u.b[i] & (plus_one.b[i] ^ minus_one.b[i])) + return 1; + return 0; +} +]]) diff --git a/m4/size_max.m4 b/m4/size_max.m4 new file mode 100644 index 00000000..5a8162bc --- /dev/null +++ b/m4/size_max.m4 @@ -0,0 +1,79 @@ +# size_max.m4 serial 10 +dnl Copyright (C) 2003, 2005-2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_DEFUN([gl_SIZE_MAX], +[ + AC_CHECK_HEADERS([stdint.h]) + dnl First test whether the system already has SIZE_MAX. + AC_CACHE_CHECK([for SIZE_MAX], [gl_cv_size_max], [ + gl_cv_size_max= + AC_EGREP_CPP([Found it], [ +#include <limits.h> +#if HAVE_STDINT_H +#include <stdint.h> +#endif +#ifdef SIZE_MAX +Found it +#endif +], [gl_cv_size_max=yes]) + if test -z "$gl_cv_size_max"; then + dnl Define it ourselves. Here we assume that the type 'size_t' is not wider + dnl than the type 'unsigned long'. Try hard to find a definition that can + dnl be used in a preprocessor #if, i.e. doesn't contain a cast. + AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1], + [#include <stddef.h> +#include <limits.h>], [size_t_bits_minus_1=]) + AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)], + [#include <stddef.h>], [fits_in_uint=]) + if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then + if test $fits_in_uint = 1; then + dnl Even though SIZE_MAX fits in an unsigned int, it must be of type + dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'. + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stddef.h> + extern size_t foo; + extern unsigned long foo; + ]], + [[]])], + [fits_in_uint=0]) + fi + dnl We cannot use 'expr' to simplify this expression, because 'expr' + dnl works only with 'long' integers in the host environment, while we + dnl might be cross-compiling from a 32-bit platform to a 64-bit platform. + if test $fits_in_uint = 1; then + gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)" + else + gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)" + fi + else + dnl Shouldn't happen, but who knows... + gl_cv_size_max='((size_t)~(size_t)0)' + fi + fi + ]) + if test "$gl_cv_size_max" != yes; then + AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max], + [Define as the maximum value of type 'size_t', if the system doesn't define it.]) + fi + dnl Don't redefine SIZE_MAX in config.h if config.h is re-included after + dnl <stdint.h>. Remember that the #undef in AH_VERBATIM gets replaced with + dnl #define by AC_DEFINE_UNQUOTED. + AH_VERBATIM([SIZE_MAX], +[/* Define as the maximum value of type 'size_t', if the system doesn't define + it. */ +#ifndef SIZE_MAX +# undef SIZE_MAX +#endif]) +]) + +dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in. +dnl Remove this when we can assume autoconf >= 2.61. +m4_ifdef([AC_COMPUTE_INT], [], [ + AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])]) +]) diff --git a/m4/sleep.m4 b/m4/sleep.m4 new file mode 100644 index 00000000..49197faf --- /dev/null +++ b/m4/sleep.m4 @@ -0,0 +1,62 @@ +# sleep.m4 serial 7 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_SLEEP], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + dnl We expect to see the declaration of sleep() in a header file. + dnl Older versions of mingw have a sleep() function that is an alias to + dnl _sleep() in MSVCRT. It has a different signature than POSIX sleep(): + dnl it takes the number of milliseconds as argument and returns void. + dnl mingw does not declare this function. + AC_CHECK_DECLS([sleep], , , [[#include <unistd.h>]]) + AC_CHECK_FUNCS_ONCE([sleep]) + if test $ac_cv_have_decl_sleep != yes; then + HAVE_SLEEP=0 + else + dnl Cygwin 1.5.x has a bug where sleep can't exceed 49.7 days. + AC_CACHE_CHECK([for working sleep], [gl_cv_func_sleep_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <errno.h> +#include <unistd.h> +#include <signal.h> +static void +handle_alarm (int sig) +{ + if (sig != SIGALRM) + _exit (2); +} +]], [[ + /* Failure to compile this test due to missing alarm is okay, + since all such platforms (mingw) also lack sleep. */ + unsigned int pentecost = 50 * 24 * 60 * 60; /* 50 days. */ + unsigned int remaining; + signal (SIGALRM, handle_alarm); + alarm (1); + remaining = sleep (pentecost); + if (remaining > pentecost) + return 3; + if (remaining <= pentecost - 10) + return 4; + return 0; + ]])], + [gl_cv_func_sleep_works=yes], [gl_cv_func_sleep_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_sleep_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_sleep_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_sleep_works" in + *yes) ;; + *) + REPLACE_SLEEP=1 + ;; + esac + fi +]) diff --git a/m4/snprintf.m4 b/m4/snprintf.m4 new file mode 100644 index 00000000..de94eddf --- /dev/null +++ b/m4/snprintf.m4 @@ -0,0 +1,54 @@ +# snprintf.m4 serial 6 +dnl Copyright (C) 2002-2004, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Libintl 0.17 will replace snprintf only if it does not support %1$s, +dnl but defers to any gnulib snprintf replacements. Therefore, gnulib +dnl must guarantee that the decision for replacing snprintf is a superset +dnl of the reasons checked by libintl. +AC_DEFUN([gl_FUNC_SNPRINTF], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + gl_cv_func_snprintf_usable=no + AC_CHECK_FUNCS([snprintf]) + if test $ac_cv_func_snprintf = yes; then + gl_SNPRINTF_SIZE1 + case "$gl_cv_func_snprintf_size1" in + *yes) + gl_SNPRINTF_RETVAL_C99 + case "$gl_cv_func_snprintf_retval_c99" in + *yes) + gl_PRINTF_POSITIONS + case "$gl_cv_func_printf_positions" in + *yes) + gl_cv_func_snprintf_usable=yes + ;; + esac + ;; + esac + ;; + esac + fi + if test $gl_cv_func_snprintf_usable = no; then + gl_REPLACE_SNPRINTF + fi + AC_CHECK_DECLS_ONCE([snprintf]) + if test $ac_cv_have_decl_snprintf = no; then + HAVE_DECL_SNPRINTF=0 + fi +]) + +AC_DEFUN([gl_REPLACE_SNPRINTF], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_LIBOBJ([snprintf]) + if test $ac_cv_func_snprintf = yes; then + REPLACE_SNPRINTF=1 + fi + gl_PREREQ_SNPRINTF +]) + +# Prerequisites of lib/snprintf.c. +AC_DEFUN([gl_PREREQ_SNPRINTF], [:]) diff --git a/m4/socketlib.m4 b/m4/socketlib.m4 new file mode 100644 index 00000000..92a1af22 --- /dev/null +++ b/m4/socketlib.m4 @@ -0,0 +1,86 @@ +# socketlib.m4 serial 1 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl gl_SOCKETLIB +dnl Determines the library to use for socket functions. +dnl Sets and AC_SUBSTs LIBSOCKET. + +AC_DEFUN([gl_SOCKETLIB], +[ + gl_PREREQ_SYS_H_WINSOCK2 dnl for HAVE_WINSOCK2_H + LIBSOCKET= + if test $HAVE_WINSOCK2_H = 1; then + dnl Native Windows API (not Cygwin). + AC_CACHE_CHECK([if we need to call WSAStartup in winsock2.h and -lws2_32], + [gl_cv_func_wsastartup], [ + gl_save_LIBS="$LIBS" + LIBS="$LIBS -lws2_32" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#ifdef HAVE_WINSOCK2_H +# include <winsock2.h> +#endif]], [[ + WORD wVersionRequested = MAKEWORD(1, 1); + WSADATA wsaData; + int err = WSAStartup(wVersionRequested, &wsaData); + WSACleanup ();]])], + gl_cv_func_wsastartup=yes, gl_cv_func_wsastartup=no) + LIBS="$gl_save_LIBS" + ]) + if test "$gl_cv_func_wsastartup" = "yes"; then + AC_DEFINE([WINDOWS_SOCKETS], [1], [Define if WSAStartup is needed.]) + LIBSOCKET='-lws2_32' + fi + else + dnl Unix API. + dnl Solaris has most socket functions in libsocket. + dnl Haiku has most socket functions in libnetwork. + dnl BeOS has most socket functions in libnet. + AC_CACHE_CHECK([for library containing setsockopt], [gl_cv_lib_socket], [ + gl_cv_lib_socket= + AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern +#ifdef __cplusplus +"C" +#endif +char setsockopt();]], [[setsockopt();]])], + [], + [gl_save_LIBS="$LIBS" + LIBS="$gl_save_LIBS -lsocket" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern +#ifdef __cplusplus +"C" +#endif +char setsockopt();]], [[setsockopt();]])], + [gl_cv_lib_socket="-lsocket"]) + if test -z "$gl_cv_lib_socket"; then + LIBS="$gl_save_LIBS -lnetwork" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern +#ifdef __cplusplus +"C" +#endif +char setsockopt();]], [[setsockopt();]])], + [gl_cv_lib_socket="-lnetwork"]) + if test -z "$gl_cv_lib_socket"; then + LIBS="$gl_save_LIBS -lnet" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern +#ifdef __cplusplus +"C" +#endif +char setsockopt();]], [[setsockopt();]])], + [gl_cv_lib_socket="-lnet"]) + fi + fi + LIBS="$gl_save_LIBS" + ]) + if test -z "$gl_cv_lib_socket"; then + gl_cv_lib_socket="none needed" + fi + ]) + if test "$gl_cv_lib_socket" != "none needed"; then + LIBSOCKET="$gl_cv_lib_socket" + fi + fi + AC_SUBST([LIBSOCKET]) +]) diff --git a/m4/sockets.m4 b/m4/sockets.m4 new file mode 100644 index 00000000..e3738d90 --- /dev/null +++ b/m4/sockets.m4 @@ -0,0 +1,17 @@ +# sockets.m4 serial 7 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SOCKETS], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gl_SOCKETLIB]) + gl_PREREQ_SOCKETS +]) + +# Prerequisites of lib/sockets.c. +AC_DEFUN([gl_PREREQ_SOCKETS], [ + : +]) diff --git a/m4/socklen.m4 b/m4/socklen.m4 new file mode 100644 index 00000000..a4ab43b3 --- /dev/null +++ b/m4/socklen.m4 @@ -0,0 +1,77 @@ +# socklen.m4 serial 10 +dnl Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Albert Chin, Windows fixes from Simon Josefsson. + +dnl Check for socklen_t: historically on BSD it is an int, and in +dnl POSIX 1g it is a type of its own, but some platforms use different +dnl types for the argument to getsockopt, getpeername, etc.: +dnl HP-UX 10.20, IRIX 6.5, OSF/1 4.0, Interix 3.5, BeOS. +dnl So we have to test to find something that will work. + +AC_DEFUN([gl_TYPE_SOCKLEN_T], + [AC_REQUIRE([gl_CHECK_SOCKET_HEADERS])dnl + AC_CHECK_TYPE([socklen_t], , + [AC_MSG_CHECKING([for socklen_t equivalent]) + AC_CACHE_VAL([gl_cv_socklen_t_equiv], + [# Systems have either "struct sockaddr *" or + # "void *" as the second argument to getpeername + gl_cv_socklen_t_equiv= + for arg2 in "struct sockaddr" void; do + for t in int size_t "unsigned int" "long int" "unsigned long int"; do + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[#include <sys/types.h> + #include <sys/socket.h> + + int getpeername (int, $arg2 *, $t *);]], + [[$t len; + getpeername (0, 0, &len);]])], + [gl_cv_socklen_t_equiv="$t"]) + test "$gl_cv_socklen_t_equiv" != "" && break + done + test "$gl_cv_socklen_t_equiv" != "" && break + done + ]) + if test "$gl_cv_socklen_t_equiv" = ""; then + AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) + fi + AC_MSG_RESULT([$gl_cv_socklen_t_equiv]) + AC_DEFINE_UNQUOTED([socklen_t], [$gl_cv_socklen_t_equiv], + [type to use in place of socklen_t if not defined])], + [gl_SOCKET_HEADERS])]) + +dnl On mingw32, socklen_t is in ws2tcpip.h ('int'), so we try to find +dnl it there too. But on Cygwin, wc2tcpip.h must not be included. Users +dnl of this module should use the same include pattern as gl_SOCKET_HEADERS. +dnl When you change this macro, keep also in sync: +dnl - gl_CHECK_SOCKET_HEADERS, +dnl - the Include section of modules/socklen. +AC_DEFUN([gl_SOCKET_HEADERS], +[ +/* <sys/types.h> is not needed according to POSIX, but the + <sys/socket.h> in i386-unknown-freebsd4.10 and + powerpc-apple-darwin5.5 required it. */ +#include <sys/types.h> +#if HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#elif HAVE_WS2TCPIP_H +# include <ws2tcpip.h> +#endif +]) + +dnl Tests for the existence of the header for socket facilities. +dnl Defines the C macros HAVE_SYS_SOCKET_H, HAVE_WS2TCPIP_H. +dnl This macro must match gl_SOCKET_HEADERS. +AC_DEFUN([gl_CHECK_SOCKET_HEADERS], + [AC_CHECK_HEADERS_ONCE([sys/socket.h]) + if test $ac_cv_header_sys_socket_h = no; then + dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make + dnl the check for those headers unconditional; yet cygwin reports + dnl that the headers are present but cannot be compiled (since on + dnl cygwin, all socket information should come from sys/socket.h). + AC_CHECK_HEADERS([ws2tcpip.h]) + fi + ]) diff --git a/m4/sockpfaf.m4 b/m4/sockpfaf.m4 new file mode 100644 index 00000000..5f97c3e3 --- /dev/null +++ b/m4/sockpfaf.m4 @@ -0,0 +1,87 @@ +# sockpfaf.m4 serial 8 +dnl Copyright (C) 2004, 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Test for some common socket protocol families (PF_INET, PF_INET6, ...) +dnl and some common address families (AF_INET, AF_INET6, ...). +dnl This test assumes that a system supports an address family if and only if +dnl it supports the corresponding protocol family. + +dnl From Bruno Haible. + +AC_DEFUN([gl_SOCKET_FAMILIES], +[ + AC_REQUIRE([gl_HEADER_SYS_SOCKET]) + AC_CHECK_HEADERS_ONCE([netinet/in.h]) + + AC_MSG_CHECKING([for IPv4 sockets]) + AC_CACHE_VAL([gl_cv_socket_ipv4], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif]], +[[int x = AF_INET; struct in_addr y; struct sockaddr_in z; + if (&x && &y && &z) return 0;]])], + gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)]) + AC_MSG_RESULT([$gl_cv_socket_ipv4]) + if test $gl_cv_socket_ipv4 = yes; then + AC_DEFINE([HAVE_IPV4], [1], [Define to 1 if <sys/socket.h> defines AF_INET.]) + fi + + AC_MSG_CHECKING([for IPv6 sockets]) + AC_CACHE_VAL([gl_cv_socket_ipv6], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif]], +[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z; + if (&x && &y && &z) return 0;]])], + gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)]) + AC_MSG_RESULT([$gl_cv_socket_ipv6]) + if test $gl_cv_socket_ipv6 = yes; then + AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.]) + fi +]) + +AC_DEFUN([gl_SOCKET_FAMILY_UNIX], +[ + AC_REQUIRE([gl_HEADER_SYS_SOCKET]) + AC_CHECK_HEADERS_ONCE([sys/un.h]) + + AC_MSG_CHECKING([for UNIX domain sockets]) + AC_CACHE_VAL([gl_cv_socket_unix], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_SYS_UN_H +#include <sys/un.h> +#endif +#ifdef HAVE_WINSOCK2_H +#include <winsock2.h> +#endif]], +[[int x = AF_UNIX; struct sockaddr_un y; + if (&x && &y) return 0;]])], + gl_cv_socket_unix=yes, gl_cv_socket_unix=no)]) + AC_MSG_RESULT([$gl_cv_socket_unix]) + if test $gl_cv_socket_unix = yes; then + AC_DEFINE([HAVE_UNIXSOCKET], [1], [Define to 1 if <sys/socket.h> defines AF_UNIX.]) + fi +]) diff --git a/m4/spawn-pipe.m4 b/m4/spawn-pipe.m4 new file mode 100644 index 00000000..564132a9 --- /dev/null +++ b/m4/spawn-pipe.m4 @@ -0,0 +1,12 @@ +# spawn-pipe.m4 serial 1 +dnl Copyright (C) 2004, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SPAWN_PIPE], +[ + dnl Prerequisites of lib/spawn-pipe.c. + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_TYPE_MODE_T]) +]) diff --git a/m4/spawn_h.m4 b/m4/spawn_h.m4 new file mode 100644 index 00000000..26fec8e1 --- /dev/null +++ b/m4/spawn_h.m4 @@ -0,0 +1,117 @@ +# spawn_h.m4 serial 16 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Bruno Haible. + +AC_DEFUN([gl_SPAWN_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) + + dnl <spawn.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([spawn.h]) + + if test $ac_cv_header_spawn_h = yes; then + HAVE_SPAWN_H=1 + AC_CHECK_TYPES([posix_spawnattr_t], [], [HAVE_POSIX_SPAWNATTR_T=0], [[ +#include <spawn.h> + ]]) + AC_CHECK_TYPES([posix_spawn_file_actions_t], [], + [HAVE_POSIX_SPAWN_FILE_ACTIONS_T=0], [[ +#include <spawn.h> + ]]) + else + HAVE_SPAWN_H=0 + HAVE_POSIX_SPAWNATTR_T=0 + HAVE_POSIX_SPAWN_FILE_ACTIONS_T=0 + fi + AC_SUBST([HAVE_SPAWN_H]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Ensure the type mode_t gets defined. + AC_REQUIRE([AC_TYPE_MODE_T]) + + AC_REQUIRE([gl_HAVE_POSIX_SPAWN]) + + AC_REQUIRE([AC_C_RESTRICT]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <spawn.h> + ]], [posix_spawn posix_spawnp posix_spawnattr_init posix_spawnattr_destroy + posix_spawnattr_getsigdefault posix_spawnattr_setsigdefault + posix_spawnattr_getsigmask posix_spawnattr_setsigmask + posix_spawnattr_getflags posix_spawnattr_setflags + posix_spawnattr_getpgroup posix_spawnattr_setpgroup + posix_spawnattr_getschedpolicy posix_spawnattr_setschedpolicy + posix_spawnattr_getschedparam posix_spawnattr_setschedparam + posix_spawn_file_actions_init posix_spawn_file_actions_destroy + posix_spawn_file_actions_addopen posix_spawn_file_actions_addclose + posix_spawn_file_actions_adddup2]) +]) + +dnl Checks whether the system has the functions posix_spawn. +dnl Sets ac_cv_func_posix_spawn and HAVE_POSIX_SPAWN. +AC_DEFUN([gl_HAVE_POSIX_SPAWN], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) + + AC_CHECK_FUNCS_ONCE([posix_spawn]) + if test $ac_cv_func_posix_spawn != yes; then + HAVE_POSIX_SPAWN=0 + fi +]) + +AC_DEFUN([gl_SPAWN_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SPAWN_H_DEFAULTS], +[ + GNULIB_POSIX_SPAWN=0; AC_SUBST([GNULIB_POSIX_SPAWN]) + GNULIB_POSIX_SPAWNP=0; AC_SUBST([GNULIB_POSIX_SPAWNP]) + GNULIB_POSIX_SPAWN_FILE_ACTIONS_INIT=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_INIT]) + GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE]) + GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2]) + GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN]) + GNULIB_POSIX_SPAWN_FILE_ACTIONS_DESTROY=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_DESTROY]) + GNULIB_POSIX_SPAWNATTR_INIT=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_INIT]) + GNULIB_POSIX_SPAWNATTR_GETFLAGS=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETFLAGS]) + GNULIB_POSIX_SPAWNATTR_SETFLAGS=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETFLAGS]) + GNULIB_POSIX_SPAWNATTR_GETPGROUP=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETPGROUP]) + GNULIB_POSIX_SPAWNATTR_SETPGROUP=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETPGROUP]) + GNULIB_POSIX_SPAWNATTR_GETSCHEDPARAM=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSCHEDPARAM]) + GNULIB_POSIX_SPAWNATTR_SETSCHEDPARAM=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSCHEDPARAM]) + GNULIB_POSIX_SPAWNATTR_GETSCHEDPOLICY=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSCHEDPOLICY]) + GNULIB_POSIX_SPAWNATTR_SETSCHEDPOLICY=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSCHEDPOLICY]) + GNULIB_POSIX_SPAWNATTR_GETSIGDEFAULT=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSIGDEFAULT]) + GNULIB_POSIX_SPAWNATTR_SETSIGDEFAULT=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSIGDEFAULT]) + GNULIB_POSIX_SPAWNATTR_GETSIGMASK=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSIGMASK]) + GNULIB_POSIX_SPAWNATTR_SETSIGMASK=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSIGMASK]) + GNULIB_POSIX_SPAWNATTR_DESTROY=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_DESTROY]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_POSIX_SPAWN=1; AC_SUBST([HAVE_POSIX_SPAWN]) + HAVE_POSIX_SPAWNATTR_T=1; AC_SUBST([HAVE_POSIX_SPAWNATTR_T]) + HAVE_POSIX_SPAWN_FILE_ACTIONS_T=1; + AC_SUBST([HAVE_POSIX_SPAWN_FILE_ACTIONS_T]) + REPLACE_POSIX_SPAWN=0; AC_SUBST([REPLACE_POSIX_SPAWN]) + REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE=0; + AC_SUBST([REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE]) + REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2=0; + AC_SUBST([REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2]) + REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN=0; + AC_SUBST([REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN]) +]) diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4 new file mode 100644 index 00000000..209d64c8 --- /dev/null +++ b/m4/ssize_t.m4 @@ -0,0 +1,23 @@ +# ssize_t.m4 serial 5 (gettext-0.18.2) +dnl Copyright (C) 2001-2003, 2006, 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. +dnl Test whether ssize_t is defined. + +AC_DEFUN([gt_TYPE_SSIZE_T], +[ + AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h>]], + [[int x = sizeof (ssize_t *) + sizeof (ssize_t); + return !x;]])], + [gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])]) + if test $gt_cv_ssize_t = no; then + AC_DEFINE([ssize_t], [int], + [Define as a signed type of the same size as size_t.]) + fi +]) diff --git a/m4/st_dm_mode.m4 b/m4/st_dm_mode.m4 new file mode 100644 index 00000000..b87cec00 --- /dev/null +++ b/m4/st_dm_mode.m4 @@ -0,0 +1,23 @@ +# serial 6 + +# Copyright (C) 1998-1999, 2001, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Define HAVE_ST_DM_MODE if struct stat has an st_dm_mode member. + +AC_DEFUN([AC_STRUCT_ST_DM_MODE], + [AC_CACHE_CHECK([for st_dm_mode in struct stat], [ac_cv_struct_st_dm_mode], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/types.h> +#include <sys/stat.h>]], [[struct stat s; s.st_dm_mode;]])], + [ac_cv_struct_st_dm_mode=yes], + [ac_cv_struct_st_dm_mode=no])]) + + if test $ac_cv_struct_st_dm_mode = yes; then + AC_DEFINE([HAVE_ST_DM_MODE], [1], + [Define if struct stat has an st_dm_mode member. ]) + fi + ] +) diff --git a/m4/stat-prog.m4 b/m4/stat-prog.m4 new file mode 100644 index 00000000..30bacb45 --- /dev/null +++ b/m4/stat-prog.m4 @@ -0,0 +1,87 @@ +# stat-prog.m4 serial 7 +# Record the prerequisites of src/stat.c from the coreutils package. + +# Copyright (C) 2002-2012 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Written by Jim Meyering. + +AC_DEFUN([cu_PREREQ_STAT_PROG], +[ + AC_REQUIRE([gl_FSUSAGE]) + AC_REQUIRE([gl_FSTYPENAME]) + AC_CHECK_HEADERS_ONCE([OS.h netinet/in.h sys/param.h sys/vfs.h]) + + dnl Check for vfs.h first, since this avoids a warning with nfs_client.h + dnl on Solaris 8. + test $ac_cv_header_sys_param_h = yes && + test $ac_cv_header_sys_mount_h = yes && + AC_CHECK_HEADERS([nfs/vfs.h], + [AC_CHECK_HEADERS([nfs/nfs_client.h])]) + + statvfs_includes="\ +AC_INCLUDES_DEFAULT +#include <sys/statvfs.h> +" + statfs_includes="\ +AC_INCLUDES_DEFAULT +#if HAVE_SYS_VFS_H +# include <sys/vfs.h> +#elif HAVE_SYS_MOUNT_H && HAVE_SYS_PARAM_H +# include <sys/param.h> +# include <sys/mount.h> +# if HAVE_NETINET_IN_H && HAVE_NFS_NFS_CLNT_H && HAVE_NFS_VFS_H +# include <netinet/in.h> +# include <nfs/nfs_clnt.h> +# include <nfs/vfs.h> +# endif +#elif HAVE_OS_H +# include <fs_info.h> +#endif +" + dnl Keep this long conditional in sync with the USE_STATVFS conditional + dnl in ../src/stat.c. + if case "$fu_cv_sys_stat_statvfs$fu_cv_sys_stat_statvfs64" in + *yes*) ;; *) false;; esac && + { AC_CHECK_MEMBERS([struct statvfs.f_basetype],,, [$statvfs_includes]) + test $ac_cv_member_struct_statvfs_f_basetype = yes || + { AC_CHECK_MEMBERS([struct statvfs.f_fstypename],,, [$statvfs_includes]) + test $ac_cv_member_struct_statvfs_f_fstypename = yes || + { test $ac_cv_member_struct_statfs_f_fstypename != yes && + { AC_CHECK_MEMBERS([struct statvfs.f_type],,, [$statvfs_includes]) + test $ac_cv_member_struct_statvfs_f_type = yes; }; }; }; } + then + AC_CHECK_MEMBERS([struct statvfs.f_namemax],,, [$statvfs_includes]) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [$statvfs_includes], + [static statvfs s; + return (s.s_fsid ^ 0) == 0;])], + [AC_DEFINE([STRUCT_STATVFS_F_FSID_IS_INTEGER], [1], + [Define to 1 if the f_fsid member of struct statvfs is an integer.])]) + else + AC_CHECK_MEMBERS([struct statfs.f_namelen, struct statfs.f_type],,, + [$statfs_includes]) + if test $ac_cv_header_OS_h != yes; then + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [$statfs_includes], + [static statfs s; + return (s.s_fsid ^ 0) == 0;])], + [AC_DEFINE([STRUCT_STATFS_F_FSID_IS_INTEGER], [1], + [Define to 1 if the f_fsid member of struct statfs is an integer.])]) + fi + fi +]) diff --git a/m4/stat-size.m4 b/m4/stat-size.m4 new file mode 100644 index 00000000..634dba5d --- /dev/null +++ b/m4/stat-size.m4 @@ -0,0 +1,14 @@ +#serial 1 + +# Copyright (C) 2011-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_STAT_SIZE], +[ + # Don't call AC_STRUCT_ST_BLOCKS because it causes bugs. Details at + # http://lists.gnu.org/archive/html/bug-gnulib/2011-06/msg00051.html + AC_CHECK_HEADERS_ONCE([sys/param.h]) +]) diff --git a/m4/stat-time.m4 b/m4/stat-time.m4 new file mode 100644 index 00000000..2dbb1f3c --- /dev/null +++ b/m4/stat-time.m4 @@ -0,0 +1,85 @@ +# Checks for stat-related time functions. + +# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2012 Free Software +# Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +# st_atim.tv_nsec - Linux, Solaris, Cygwin +# st_atimespec.tv_nsec - FreeBSD, NetBSD, if ! defined _POSIX_SOURCE +# st_atimensec - FreeBSD, NetBSD, if defined _POSIX_SOURCE +# st_atim.st__tim.tv_nsec - UnixWare (at least 2.1.2 through 7.1) + +# st_birthtimespec - FreeBSD, NetBSD (hidden on OpenBSD 3.9, anyway) +# st_birthtim - Cygwin 1.7.0+ + +AC_DEFUN([gl_STAT_TIME], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_HEADERS_ONCE([sys/time.h]) + + AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec], + [AC_CACHE_CHECK([whether struct stat.st_atim is of type struct timespec], + [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[ + #include <sys/types.h> + #include <sys/stat.h> + #if HAVE_SYS_TIME_H + # include <sys/time.h> + #endif + #include <time.h> + struct timespec ts; + struct stat st; + ]], + [[ + st.st_atim = ts; + ]])], + [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes], + [ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no])]) + if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then + AC_DEFINE([TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC], [1], + [Define to 1 if the type of the st_atim member of a struct stat is + struct timespec.]) + fi], + [AC_CHECK_MEMBERS([struct stat.st_atimespec.tv_nsec], [], + [AC_CHECK_MEMBERS([struct stat.st_atimensec], [], + [AC_CHECK_MEMBERS([struct stat.st_atim.st__tim.tv_nsec], [], [], + [#include <sys/types.h> + #include <sys/stat.h>])], + [#include <sys/types.h> + #include <sys/stat.h>])], + [#include <sys/types.h> + #include <sys/stat.h>])], + [#include <sys/types.h> + #include <sys/stat.h>]) +]) + +# Check for st_birthtime, a feature from UFS2 (FreeBSD, NetBSD, OpenBSD, etc.) +# and NTFS (Cygwin). +# There was a time when this field was named st_createtime (21 June +# 2002 to 16 July 2002) But that window is very small and applied only +# to development code, so systems still using that configuration are +# not supported. See revisions 1.10 and 1.11 of FreeBSD's +# src/sys/ufs/ufs/dinode.h. +# +AC_DEFUN([gl_STAT_BIRTHTIME], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_HEADERS_ONCE([sys/time.h]) + AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec], [], + [AC_CHECK_MEMBERS([struct stat.st_birthtimensec], [], + [AC_CHECK_MEMBERS([struct stat.st_birthtim.tv_nsec], [], [], + [#include <sys/types.h> + #include <sys/stat.h>])], + [#include <sys/types.h> + #include <sys/stat.h>])], + [#include <sys/types.h> + #include <sys/stat.h>]) +]) diff --git a/m4/stat.m4 b/m4/stat.m4 new file mode 100644 index 00000000..a8b79f5b --- /dev/null +++ b/m4/stat.m4 @@ -0,0 +1,75 @@ +# serial 10 + +# Copyright (C) 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STAT], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([lstat]) + dnl mingw is the only known platform where stat(".") and stat("./") differ + AC_CACHE_CHECK([whether stat handles trailing slashes on directories], + [gl_cv_func_stat_dir_slash], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/stat.h> +]], [[struct stat st; return stat (".", &st) != stat ("./", &st);]])], + [gl_cv_func_stat_dir_slash=yes], [gl_cv_func_stat_dir_slash=no], + [case $host_os in + mingw*) gl_cv_func_stat_dir_slash="guessing no";; + *) gl_cv_func_stat_dir_slash="guessing yes";; + esac])]) + dnl AIX 7.1, Solaris 9, mingw64 mistakenly succeed on stat("file/"). + dnl (For mingw, this is due to a broken stat() override in libmingwex.a.) + dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/"). + AC_CACHE_CHECK([whether stat handles trailing slashes on files], + [gl_cv_func_stat_file_slash], + [touch conftest.tmp + # Assume that if we have lstat, we can also check symlinks. + if test $ac_cv_func_lstat = yes; then + ln -s conftest.tmp conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/stat.h> +]], [[int result = 0; + struct stat st; + if (!stat ("conftest.tmp/", &st)) + result |= 1; +#if HAVE_LSTAT + if (!stat ("conftest.lnk/", &st)) + result |= 2; +#endif + return result; + ]])], + [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_stat_file_slash="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_stat_file_slash="guessing no" ;; + esac + ]) + rm -f conftest.tmp conftest.lnk]) + case $gl_cv_func_stat_dir_slash in + *no) REPLACE_STAT=1 + AC_DEFINE([REPLACE_FUNC_STAT_DIR], [1], [Define to 1 if stat needs + help when passed a directory name with a trailing slash]);; + esac + case $gl_cv_func_stat_file_slash in + *no) REPLACE_STAT=1 + AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs + help when passed a file name with a trailing slash]);; + esac +]) + +# Prerequisites of lib/stat.c. +AC_DEFUN([gl_PREREQ_STAT], +[ + AC_REQUIRE([AC_C_INLINE]) + : +]) diff --git a/m4/stdalign.m4 b/m4/stdalign.m4 new file mode 100644 index 00000000..6659c9c3 --- /dev/null +++ b/m4/stdalign.m4 @@ -0,0 +1,51 @@ +# Check for stdalign.h that conforms to C11. + +dnl Copyright 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Prepare for substituting <stdalign.h> if it is not supported. + +AC_DEFUN([gl_STDALIGN_H], +[ + AC_CACHE_CHECK([for working stdalign.h], + [gl_cv_header_working_stdalign_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdalign.h> + #include <stddef.h> + + /* Test that alignof yields a result consistent with offsetof. + This catches GCC bug 52023 + <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>. */ + #ifdef __cplusplus + template <class t> struct alignof_helper { char a; t b; }; + # define ao(type) offsetof (alignof_helper<type>, b) + #else + # define ao(type) offsetof (struct { char a; type b; }, b) + #endif + char test_double[ao (double) % _Alignof (double) == 0 ? 1 : -1]; + char test_long[ao (long int) % _Alignof (long int) == 0 ? 1 : -1]; + char test_alignof[alignof (double) == _Alignof (double) ? 1 : -1]; + + /* Test _Alignas only on platforms where gnulib can help. */ + #if \ + (__GNUC__ || __IBMC__ || __IBMCPP__ \ + || 0x5110 <= __SUNPRO_C || 1300 <= _MSC_VER) + int alignas (8) alignas_int = 1; + char test_alignas[_Alignof (alignas_int) == 8 ? 1 : -1]; + #endif + ]])], + [gl_cv_header_working_stdalign_h=yes], + [gl_cv_header_working_stdalign_h=no])]) + + if test $gl_cv_header_working_stdalign_h = yes; then + STDALIGN_H='' + else + STDALIGN_H='stdalign.h' + fi + + AC_SUBST([STDALIGN_H]) + AM_CONDITIONAL([GL_GENERATE_STDALIGN_H], [test -n "$STDALIGN_H"]) +]) diff --git a/m4/stdarg.m4 b/m4/stdarg.m4 new file mode 100644 index 00000000..5c313cb8 --- /dev/null +++ b/m4/stdarg.m4 @@ -0,0 +1,78 @@ +# stdarg.m4 serial 6 +dnl Copyright (C) 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. +dnl Provide a working va_copy in combination with <stdarg.h>. + +AC_DEFUN([gl_STDARG_H], +[ + STDARG_H='' + NEXT_STDARG_H='<stdarg.h>' + AC_MSG_CHECKING([for va_copy]) + AC_CACHE_VAL([gl_cv_func_va_copy], [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdarg.h>]], + [[ +#ifndef va_copy +void (*func) (va_list, va_list) = va_copy; +#endif + ]])], + [gl_cv_func_va_copy=yes], + [gl_cv_func_va_copy=no])]) + AC_MSG_RESULT([$gl_cv_func_va_copy]) + if test $gl_cv_func_va_copy = no; then + dnl Provide a substitute. + dnl Usually a simple definition in <config.h> is enough. Not so on AIX 5 + dnl with some versions of the /usr/vac/bin/cc compiler. It has an <stdarg.h> + dnl which does '#undef va_copy', leading to a missing va_copy symbol. For + dnl this platform, we use an <stdarg.h> substitute. But we cannot use this + dnl approach on other platforms, because <stdarg.h> often defines only + dnl preprocessor macros and gl_ABSOLUTE_HEADER, gl_CHECK_NEXT_HEADERS do + dnl not work in this situation. + AC_EGREP_CPP([vaccine], + [#if defined _AIX && !defined __GNUC__ + AIX vaccine + #endif + ], [gl_aixcc=yes], [gl_aixcc=no]) + if test $gl_aixcc = yes; then + dnl Provide a substitute <stdarg.h> file. + STDARG_H=stdarg.h + gl_NEXT_HEADERS([stdarg.h]) + dnl Fallback for the case when <stdarg.h> contains only macro definitions. + if test "$gl_cv_next_stdarg_h" = '""'; then + gl_cv_next_stdarg_h='"///usr/include/stdarg.h"' + NEXT_STDARG_H="$gl_cv_next_stdarg_h" + fi + else + dnl Provide a substitute in <config.h>, either __va_copy or as a simple + dnl assignment. + gl_CACHE_VAL_SILENT([gl_cv_func___va_copy], [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdarg.h>]], + [[ +#ifndef __va_copy +error, bail out +#endif + ]])], + [gl_cv_func___va_copy=yes], + [gl_cv_func___va_copy=no])]) + if test $gl_cv_func___va_copy = yes; then + AC_DEFINE([va_copy], [__va_copy], + [Define as a macro for copying va_list variables.]) + else + AH_VERBATIM([gl_VA_COPY], [/* A replacement for va_copy, if needed. */ +#define gl_va_copy(a,b) ((a) = (b))]) + AC_DEFINE([va_copy], [gl_va_copy], + [Define as a macro for copying va_list variables.]) + fi + fi + fi + AC_SUBST([STDARG_H]) + AM_CONDITIONAL([GL_GENERATE_STDARG_H], [test -n "$STDARG_H"]) + AC_SUBST([NEXT_STDARG_H]) +]) diff --git a/m4/stdbool.m4 b/m4/stdbool.m4 new file mode 100644 index 00000000..eabfa645 --- /dev/null +++ b/m4/stdbool.m4 @@ -0,0 +1,100 @@ +# Check for stdbool.h that conforms to C99. + +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +#serial 5 + +# Prepare for substituting <stdbool.h> if it is not supported. + +AC_DEFUN([AM_STDBOOL_H], +[ + AC_REQUIRE([AC_CHECK_HEADER_STDBOOL]) + + # Define two additional variables used in the Makefile substitution. + + if test "$ac_cv_header_stdbool_h" = yes; then + STDBOOL_H='' + else + STDBOOL_H='stdbool.h' + fi + AC_SUBST([STDBOOL_H]) + AM_CONDITIONAL([GL_GENERATE_STDBOOL_H], [test -n "$STDBOOL_H"]) + + if test "$ac_cv_type__Bool" = yes; then + HAVE__BOOL=1 + else + HAVE__BOOL=0 + fi + AC_SUBST([HAVE__BOOL]) +]) + +# AM_STDBOOL_H will be renamed to gl_STDBOOL_H in the future. +AC_DEFUN([gl_STDBOOL_H], [AM_STDBOOL_H]) + +# This version of the macro is needed in autoconf <= 2.68. + +AC_DEFUN([AC_CHECK_HEADER_STDBOOL], + [AC_CACHE_CHECK([for stdbool.h that conforms to C99], + [ac_cv_header_stdbool_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ + #include <stdbool.h> + #ifndef bool + "error: bool is not defined" + #endif + #ifndef false + "error: false is not defined" + #endif + #if false + "error: false is not 0" + #endif + #ifndef true + "error: true is not defined" + #endif + #if true != 1 + "error: true is not 1" + #endif + #ifndef __bool_true_false_are_defined + "error: __bool_true_false_are_defined is not defined" + #endif + + struct s { _Bool s: 1; _Bool t; } s; + + char a[true == 1 ? 1 : -1]; + char b[false == 0 ? 1 : -1]; + char c[__bool_true_false_are_defined == 1 ? 1 : -1]; + char d[(bool) 0.5 == true ? 1 : -1]; + /* See body of main program for 'e'. */ + char f[(_Bool) 0.0 == false ? 1 : -1]; + char g[true]; + char h[sizeof (_Bool)]; + char i[sizeof s.t]; + enum { j = false, k = true, l = false * true, m = true * 256 }; + /* The following fails for + HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */ + _Bool n[m]; + char o[sizeof n == m * sizeof n[0] ? 1 : -1]; + char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1]; + /* Catch a bug in an HP-UX C compiler. See + http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html + http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html + */ + _Bool q = true; + _Bool *pq = &q; + ]], + [[ + bool e = &s; + *pq |= q; + *pq |= ! q; + /* Refer to every declared value, to avoid compiler optimizations. */ + return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l + + !m + !n + !o + !p + !q + !pq); + ]])], + [ac_cv_header_stdbool_h=yes], + [ac_cv_header_stdbool_h=no])]) + AC_CHECK_TYPES([_Bool]) +]) diff --git a/m4/stddef_h.m4 b/m4/stddef_h.m4 new file mode 100644 index 00000000..cc116096 --- /dev/null +++ b/m4/stddef_h.m4 @@ -0,0 +1,47 @@ +dnl A placeholder for POSIX 2008 <stddef.h>, for platforms that have issues. +# stddef_h.m4 serial 4 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_STDDEF_H], +[ + AC_REQUIRE([gl_STDDEF_H_DEFAULTS]) + AC_REQUIRE([gt_TYPE_WCHAR_T]) + STDDEF_H= + if test $gt_cv_c_wchar_t = no; then + HAVE_WCHAR_T=0 + STDDEF_H=stddef.h + fi + AC_CACHE_CHECK([whether NULL can be used in arbitrary expressions], + [gl_cv_decl_null_works], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h> + int test[2 * (sizeof NULL == sizeof (void *)) -1]; +]])], + [gl_cv_decl_null_works=yes], + [gl_cv_decl_null_works=no])]) + if test $gl_cv_decl_null_works = no; then + REPLACE_NULL=1 + STDDEF_H=stddef.h + fi + AC_SUBST([STDDEF_H]) + AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"]) + if test -n "$STDDEF_H"; then + gl_NEXT_HEADERS([stddef.h]) + fi +]) + +AC_DEFUN([gl_STDDEF_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_STDDEF_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_STDDEF_H_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. + REPLACE_NULL=0; AC_SUBST([REPLACE_NULL]) + HAVE_WCHAR_T=1; AC_SUBST([HAVE_WCHAR_T]) +]) diff --git a/m4/stdint.m4 b/m4/stdint.m4 new file mode 100644 index 00000000..28d342ea --- /dev/null +++ b/m4/stdint.m4 @@ -0,0 +1,484 @@ +# stdint.m4 serial 43 +dnl Copyright (C) 2001-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert and Bruno Haible. +dnl Test whether <stdint.h> is supported or must be substituted. + +AC_DEFUN_ONCE([gl_STDINT_H], +[ + AC_PREREQ([2.59])dnl + + dnl Check for long long int and unsigned long long int. + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + if test $ac_cv_type_long_long_int = yes; then + HAVE_LONG_LONG_INT=1 + else + HAVE_LONG_LONG_INT=0 + fi + AC_SUBST([HAVE_LONG_LONG_INT]) + AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) + if test $ac_cv_type_unsigned_long_long_int = yes; then + HAVE_UNSIGNED_LONG_LONG_INT=1 + else + HAVE_UNSIGNED_LONG_LONG_INT=0 + fi + AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT]) + + dnl Check for <wchar.h>, in the same way as gl_WCHAR_H does. + AC_CHECK_HEADERS_ONCE([wchar.h]) + if test $ac_cv_header_wchar_h = yes; then + HAVE_WCHAR_H=1 + else + HAVE_WCHAR_H=0 + fi + AC_SUBST([HAVE_WCHAR_H]) + + dnl Check for <inttypes.h>. + dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h. + if test $ac_cv_header_inttypes_h = yes; then + HAVE_INTTYPES_H=1 + else + HAVE_INTTYPES_H=0 + fi + AC_SUBST([HAVE_INTTYPES_H]) + + dnl Check for <sys/types.h>. + dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h. + if test $ac_cv_header_sys_types_h = yes; then + HAVE_SYS_TYPES_H=1 + else + HAVE_SYS_TYPES_H=0 + fi + AC_SUBST([HAVE_SYS_TYPES_H]) + + gl_CHECK_NEXT_HEADERS([stdint.h]) + if test $ac_cv_header_stdint_h = yes; then + HAVE_STDINT_H=1 + else + HAVE_STDINT_H=0 + fi + AC_SUBST([HAVE_STDINT_H]) + + dnl Now see whether we need a substitute <stdint.h>. + if test $ac_cv_header_stdint_h = yes; then + AC_CACHE_CHECK([whether stdint.h conforms to C99], + [gl_cv_header_working_stdint_h], + [gl_cv_header_working_stdint_h=no + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ +#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#include <stdint.h> +/* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */ +#if !(defined WCHAR_MIN && defined WCHAR_MAX) +#error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>" +#endif +] +gl_STDINT_INCLUDES +[ +#ifdef INT8_MAX +int8_t a1 = INT8_MAX; +int8_t a1min = INT8_MIN; +#endif +#ifdef INT16_MAX +int16_t a2 = INT16_MAX; +int16_t a2min = INT16_MIN; +#endif +#ifdef INT32_MAX +int32_t a3 = INT32_MAX; +int32_t a3min = INT32_MIN; +#endif +#ifdef INT64_MAX +int64_t a4 = INT64_MAX; +int64_t a4min = INT64_MIN; +#endif +#ifdef UINT8_MAX +uint8_t b1 = UINT8_MAX; +#else +typedef int b1[(unsigned char) -1 != 255 ? 1 : -1]; +#endif +#ifdef UINT16_MAX +uint16_t b2 = UINT16_MAX; +#endif +#ifdef UINT32_MAX +uint32_t b3 = UINT32_MAX; +#endif +#ifdef UINT64_MAX +uint64_t b4 = UINT64_MAX; +#endif +int_least8_t c1 = INT8_C (0x7f); +int_least8_t c1max = INT_LEAST8_MAX; +int_least8_t c1min = INT_LEAST8_MIN; +int_least16_t c2 = INT16_C (0x7fff); +int_least16_t c2max = INT_LEAST16_MAX; +int_least16_t c2min = INT_LEAST16_MIN; +int_least32_t c3 = INT32_C (0x7fffffff); +int_least32_t c3max = INT_LEAST32_MAX; +int_least32_t c3min = INT_LEAST32_MIN; +int_least64_t c4 = INT64_C (0x7fffffffffffffff); +int_least64_t c4max = INT_LEAST64_MAX; +int_least64_t c4min = INT_LEAST64_MIN; +uint_least8_t d1 = UINT8_C (0xff); +uint_least8_t d1max = UINT_LEAST8_MAX; +uint_least16_t d2 = UINT16_C (0xffff); +uint_least16_t d2max = UINT_LEAST16_MAX; +uint_least32_t d3 = UINT32_C (0xffffffff); +uint_least32_t d3max = UINT_LEAST32_MAX; +uint_least64_t d4 = UINT64_C (0xffffffffffffffff); +uint_least64_t d4max = UINT_LEAST64_MAX; +int_fast8_t e1 = INT_FAST8_MAX; +int_fast8_t e1min = INT_FAST8_MIN; +int_fast16_t e2 = INT_FAST16_MAX; +int_fast16_t e2min = INT_FAST16_MIN; +int_fast32_t e3 = INT_FAST32_MAX; +int_fast32_t e3min = INT_FAST32_MIN; +int_fast64_t e4 = INT_FAST64_MAX; +int_fast64_t e4min = INT_FAST64_MIN; +uint_fast8_t f1 = UINT_FAST8_MAX; +uint_fast16_t f2 = UINT_FAST16_MAX; +uint_fast32_t f3 = UINT_FAST32_MAX; +uint_fast64_t f4 = UINT_FAST64_MAX; +#ifdef INTPTR_MAX +intptr_t g = INTPTR_MAX; +intptr_t gmin = INTPTR_MIN; +#endif +#ifdef UINTPTR_MAX +uintptr_t h = UINTPTR_MAX; +#endif +intmax_t i = INTMAX_MAX; +uintmax_t j = UINTMAX_MAX; + +#include <limits.h> /* for CHAR_BIT */ +#define TYPE_MINIMUM(t) \ + ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t))) +#define TYPE_MAXIMUM(t) \ + ((t) ((t) 0 < (t) -1 \ + ? (t) -1 \ + : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) +struct s { + int check_PTRDIFF: + PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t) + && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t) + ? 1 : -1; + /* Detect bug in FreeBSD 6.0 / ia64. */ + int check_SIG_ATOMIC: + SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t) + && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t) + ? 1 : -1; + int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1; + int check_WCHAR: + WCHAR_MIN == TYPE_MINIMUM (wchar_t) + && WCHAR_MAX == TYPE_MAXIMUM (wchar_t) + ? 1 : -1; + /* Detect bug in mingw. */ + int check_WINT: + WINT_MIN == TYPE_MINIMUM (wint_t) + && WINT_MAX == TYPE_MAXIMUM (wint_t) + ? 1 : -1; + + /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */ + int check_UINT8_C: + (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1; + int check_UINT16_C: + (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1; + + /* Detect bugs in OpenBSD 3.9 stdint.h. */ +#ifdef UINT8_MAX + int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1; +#endif +#ifdef UINT16_MAX + int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1; +#endif +#ifdef UINT32_MAX + int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1; +#endif +#ifdef UINT64_MAX + int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1; +#endif + int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1; + int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1; + int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1; + int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1; + int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1; + int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1; + int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1; + int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1; + int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1; + int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1; + int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1; +}; + ]])], + [dnl Determine whether the various *_MIN, *_MAX macros are usable + dnl in preprocessor expression. We could do it by compiling a test + dnl program for each of these macros. It is faster to run a program + dnl that inspects the macro expansion. + dnl This detects a bug on HP-UX 11.23/ia64. + AC_RUN_IFELSE([ + AC_LANG_PROGRAM([[ +#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ +#include <stdint.h> +] +gl_STDINT_INCLUDES +[ +#include <stdio.h> +#include <string.h> +#define MVAL(macro) MVAL1(macro) +#define MVAL1(expression) #expression +static const char *macro_values[] = + { +#ifdef INT8_MAX + MVAL (INT8_MAX), +#endif +#ifdef INT16_MAX + MVAL (INT16_MAX), +#endif +#ifdef INT32_MAX + MVAL (INT32_MAX), +#endif +#ifdef INT64_MAX + MVAL (INT64_MAX), +#endif +#ifdef UINT8_MAX + MVAL (UINT8_MAX), +#endif +#ifdef UINT16_MAX + MVAL (UINT16_MAX), +#endif +#ifdef UINT32_MAX + MVAL (UINT32_MAX), +#endif +#ifdef UINT64_MAX + MVAL (UINT64_MAX), +#endif + NULL + }; +]], [[ + const char **mv; + for (mv = macro_values; *mv != NULL; mv++) + { + const char *value = *mv; + /* Test whether it looks like a cast expression. */ + if (strncmp (value, "((unsigned int)"/*)*/, 15) == 0 + || strncmp (value, "((unsigned short)"/*)*/, 17) == 0 + || strncmp (value, "((unsigned char)"/*)*/, 16) == 0 + || strncmp (value, "((int)"/*)*/, 6) == 0 + || strncmp (value, "((signed short)"/*)*/, 15) == 0 + || strncmp (value, "((signed char)"/*)*/, 14) == 0) + return mv - macro_values + 1; + } + return 0; +]])], + [gl_cv_header_working_stdint_h=yes], + [], + [dnl When cross-compiling, assume it works. + gl_cv_header_working_stdint_h=yes + ]) + ]) + ]) + fi + if test "$gl_cv_header_working_stdint_h" = yes; then + STDINT_H= + else + dnl Check for <sys/inttypes.h>, and for + dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5). + AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h]) + if test $ac_cv_header_sys_inttypes_h = yes; then + HAVE_SYS_INTTYPES_H=1 + else + HAVE_SYS_INTTYPES_H=0 + fi + AC_SUBST([HAVE_SYS_INTTYPES_H]) + if test $ac_cv_header_sys_bitypes_h = yes; then + HAVE_SYS_BITYPES_H=1 + else + HAVE_SYS_BITYPES_H=0 + fi + AC_SUBST([HAVE_SYS_BITYPES_H]) + + gl_STDINT_TYPE_PROPERTIES + STDINT_H=stdint.h + fi + AC_SUBST([STDINT_H]) + AM_CONDITIONAL([GL_GENERATE_STDINT_H], [test -n "$STDINT_H"]) +]) + +dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES) +dnl Determine the size of each of the given types in bits. +AC_DEFUN([gl_STDINT_BITSIZEOF], +[ + dnl Use a shell loop, to avoid bloating configure, and + dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into + dnl config.h.in, + dnl - extra AC_SUBST calls, so that the right substitutions are made. + m4_foreach_w([gltype], [$1], + [AH_TEMPLATE([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), + [Define to the number of bits in type ']gltype['.])]) + for gltype in $1 ; do + AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}], + [AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT], + [$2 +#include <limits.h>], [result=unknown]) + eval gl_cv_bitsizeof_${gltype}=\$result + ]) + eval result=\$gl_cv_bitsizeof_${gltype} + if test $result = unknown; then + dnl Use a nonempty default, because some compilers, such as IRIX 5 cc, + dnl do a syntax check even on unused #if conditions and give an error + dnl on valid C code like this: + dnl #if 0 + dnl # if > 32 + dnl # endif + dnl #endif + result=0 + fi + GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` + AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result]) + eval BITSIZEOF_${GLTYPE}=\$result + done + m4_foreach_w([gltype], [$1], + [AC_SUBST([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) +]) + +dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES) +dnl Determine the signedness of each of the given types. +dnl Define HAVE_SIGNED_TYPE if type is signed. +AC_DEFUN([gl_CHECK_TYPES_SIGNED], +[ + dnl Use a shell loop, to avoid bloating configure, and + dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into + dnl config.h.in, + dnl - extra AC_SUBST calls, so that the right substitutions are made. + m4_foreach_w([gltype], [$1], + [AH_TEMPLATE([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), + [Define to 1 if ']gltype[' is a signed integer type.])]) + for gltype in $1 ; do + AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([$2[ + int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])], + result=yes, result=no) + eval gl_cv_type_${gltype}_signed=\$result + ]) + eval result=\$gl_cv_type_${gltype}_signed + GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` + if test "$result" = yes; then + AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], [1]) + eval HAVE_SIGNED_${GLTYPE}=1 + else + eval HAVE_SIGNED_${GLTYPE}=0 + fi + done + m4_foreach_w([gltype], [$1], + [AC_SUBST([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) +]) + +dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES) +dnl Determine the suffix to use for integer constants of the given types. +dnl Define t_SUFFIX for each such type. +AC_DEFUN([gl_INTEGER_TYPE_SUFFIX], +[ + dnl Use a shell loop, to avoid bloating configure, and + dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into + dnl config.h.in, + dnl - extra AC_SUBST calls, so that the right substitutions are made. + m4_foreach_w([gltype], [$1], + [AH_TEMPLATE(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX], + [Define to l, ll, u, ul, ull, etc., as suitable for + constants of type ']gltype['.])]) + for gltype in $1 ; do + AC_CACHE_CHECK([for $gltype integer literal suffix], + [gl_cv_type_${gltype}_suffix], + [eval gl_cv_type_${gltype}_suffix=no + eval result=\$gl_cv_type_${gltype}_signed + if test "$result" = yes; then + glsufu= + else + glsufu=u + fi + for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do + case $glsuf in + '') gltype1='int';; + l) gltype1='long int';; + ll) gltype1='long long int';; + i64) gltype1='__int64';; + u) gltype1='unsigned int';; + ul) gltype1='unsigned long int';; + ull) gltype1='unsigned long long int';; + ui64)gltype1='unsigned __int64';; + esac + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([$2[ + extern $gltype foo; + extern $gltype1 foo;]])], + [eval gl_cv_type_${gltype}_suffix=\$glsuf]) + eval result=\$gl_cv_type_${gltype}_suffix + test "$result" != no && break + done]) + GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'` + eval result=\$gl_cv_type_${gltype}_suffix + test "$result" = no && result= + eval ${GLTYPE}_SUFFIX=\$result + AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result]) + done + m4_foreach_w([gltype], [$1], + [AC_SUBST(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])]) +]) + +dnl gl_STDINT_INCLUDES +AC_DEFUN([gl_STDINT_INCLUDES], +[[ + /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ + #include <stddef.h> + #include <signal.h> + #if HAVE_WCHAR_H + # include <stdio.h> + # include <time.h> + # include <wchar.h> + #endif +]]) + +dnl gl_STDINT_TYPE_PROPERTIES +dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t +dnl of interest to stdint.in.h. +AC_DEFUN([gl_STDINT_TYPE_PROPERTIES], +[ + AC_REQUIRE([gl_MULTIARCH]) + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_STDINT_BITSIZEOF([ptrdiff_t size_t], + [gl_STDINT_INCLUDES]) + fi + gl_STDINT_BITSIZEOF([sig_atomic_t wchar_t wint_t], + [gl_STDINT_INCLUDES]) + gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t], + [gl_STDINT_INCLUDES]) + gl_cv_type_ptrdiff_t_signed=yes + gl_cv_type_size_t_signed=no + if test $APPLE_UNIVERSAL_BUILD = 0; then + gl_INTEGER_TYPE_SUFFIX([ptrdiff_t size_t], + [gl_STDINT_INCLUDES]) + fi + gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t], + [gl_STDINT_INCLUDES]) + + dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99 + dnl requirement that wint_t is "unchanged by default argument promotions". + dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t. + dnl Set the variable BITSIZEOF_WINT_T accordingly. + if test $BITSIZEOF_WINT_T -lt 32; then + BITSIZEOF_WINT_T=32 + fi +]) + +dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in. +dnl Remove this when we can assume autoconf >= 2.61. +m4_ifdef([AC_COMPUTE_INT], [], [ + AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])]) +]) + +# Hey Emacs! +# Local Variables: +# indent-tabs-mode: nil +# End: diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4 new file mode 100644 index 00000000..581de960 --- /dev/null +++ b/m4/stdint_h.m4 @@ -0,0 +1,27 @@ +# stdint_h.m4 serial 9 +dnl Copyright (C) 1997-2004, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists, +# doesn't clash with <sys/types.h>, and declares uintmax_t. + +AC_DEFUN([gl_AC_HEADER_STDINT_H], +[ + AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h> + #include <stdint.h>]], + [[uintmax_t i = (uintmax_t) -1; return !i;]])], + [gl_cv_header_stdint_h=yes], + [gl_cv_header_stdint_h=no])]) + if test $gl_cv_header_stdint_h = yes; then + AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1], + [Define if <stdint.h> exists, doesn't clash with <sys/types.h>, + and declares uintmax_t. ]) + fi +]) diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4 new file mode 100644 index 00000000..b03393b9 --- /dev/null +++ b/m4/stdio_h.m4 @@ -0,0 +1,193 @@ +# stdio_h.m4 serial 41 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_STDIO_H], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_REQUIRE([AC_C_INLINE]) + gl_NEXT_HEADERS([stdio.h]) + + dnl No need to create extra modules for these functions. Everyone who uses + dnl <stdio.h> likely needs them. + GNULIB_FSCANF=1 + GNULIB_SCANF=1 + GNULIB_FGETC=1 + GNULIB_GETC=1 + GNULIB_GETCHAR=1 + GNULIB_FGETS=1 + GNULIB_FREAD=1 + dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c" + dnl "expected source file, required through AC_LIBSOURCES, not found". It is + dnl also an optimization, to avoid performing a configure check whose result + dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING + dnl or GNULIB_NONBLOCKING redundant. + m4_ifdef([gl_NONBLOCKING_IO], [ + gl_NONBLOCKING_IO + if test $gl_cv_have_nonblocking != yes; then + REPLACE_STDIO_READ_FUNCS=1 + AC_LIBOBJ([stdio-read]) + fi + ]) + + dnl No need to create extra modules for these functions. Everyone who uses + dnl <stdio.h> likely needs them. + GNULIB_FPRINTF=1 + GNULIB_PRINTF=1 + GNULIB_VFPRINTF=1 + GNULIB_VPRINTF=1 + GNULIB_FPUTC=1 + GNULIB_PUTC=1 + GNULIB_PUTCHAR=1 + GNULIB_FPUTS=1 + GNULIB_PUTS=1 + GNULIB_FWRITE=1 + dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c" + dnl "expected source file, required through AC_LIBSOURCES, not found". It is + dnl also an optimization, to avoid performing a configure check whose result + dnl is not used. But it does not make the test of GNULIB_STDIO_H_SIGPIPE or + dnl GNULIB_SIGPIPE redundant. + m4_ifdef([gl_SIGNAL_SIGPIPE], [ + gl_SIGNAL_SIGPIPE + if test $gl_cv_header_signal_h_SIGPIPE != yes; then + REPLACE_STDIO_WRITE_FUNCS=1 + AC_LIBOBJ([stdio-write]) + fi + ]) + dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c" + dnl "expected source file, required through AC_LIBSOURCES, not found". It is + dnl also an optimization, to avoid performing a configure check whose result + dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING + dnl or GNULIB_NONBLOCKING redundant. + m4_ifdef([gl_NONBLOCKING_IO], [ + gl_NONBLOCKING_IO + if test $gl_cv_have_nonblocking != yes; then + REPLACE_STDIO_WRITE_FUNCS=1 + AC_LIBOBJ([stdio-write]) + fi + ]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, and which is not + dnl guaranteed by both C89 and C11. + gl_WARN_ON_USE_PREPARE([[#include <stdio.h> + ]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen + renameat snprintf tmpfile vdprintf vsnprintf]) +]) + +AC_DEFUN([gl_STDIO_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_STDIO_H_DEFAULTS], +[ + GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF]) + GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE]) + GNULIB_FDOPEN=0; AC_SUBST([GNULIB_FDOPEN]) + GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH]) + GNULIB_FGETC=0; AC_SUBST([GNULIB_FGETC]) + GNULIB_FGETS=0; AC_SUBST([GNULIB_FGETS]) + GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN]) + GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF]) + GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX]) + GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE]) + GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC]) + GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS]) + GNULIB_FREAD=0; AC_SUBST([GNULIB_FREAD]) + GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN]) + GNULIB_FSCANF=0; AC_SUBST([GNULIB_FSCANF]) + GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK]) + GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO]) + GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL]) + GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO]) + GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE]) + GNULIB_GETC=0; AC_SUBST([GNULIB_GETC]) + GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR]) + GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM]) + GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE]) + GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF]) + GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX]) + GNULIB_PCLOSE=0; AC_SUBST([GNULIB_PCLOSE]) + GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR]) + GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN]) + GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF]) + GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX]) + GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC]) + GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR]) + GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS]) + GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE]) + GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME]) + GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT]) + GNULIB_SCANF=0; AC_SUBST([GNULIB_SCANF]) + GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF]) + GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX]) + GNULIB_STDIO_H_NONBLOCKING=0; AC_SUBST([GNULIB_STDIO_H_NONBLOCKING]) + GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE]) + GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE]) + GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF]) + GNULIB_VFSCANF=0; AC_SUBST([GNULIB_VFSCANF]) + GNULIB_VSCANF=0; AC_SUBST([GNULIB_VSCANF]) + GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF]) + GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF]) + GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX]) + GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF]) + GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX]) + GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF]) + GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE]) + HAVE_DECL_FSEEKO=1; AC_SUBST([HAVE_DECL_FSEEKO]) + HAVE_DECL_FTELLO=1; AC_SUBST([HAVE_DECL_FTELLO]) + HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM]) + HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE]) + HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF]) + HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF]) + HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF]) + HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF]) + HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO]) + HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO]) + HAVE_PCLOSE=1; AC_SUBST([HAVE_PCLOSE]) + HAVE_POPEN=1; AC_SUBST([HAVE_POPEN]) + HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT]) + HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF]) + HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF]) + REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF]) + REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE]) + REPLACE_FDOPEN=0; AC_SUBST([REPLACE_FDOPEN]) + REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH]) + REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN]) + REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF]) + REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE]) + REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN]) + REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK]) + REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO]) + REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL]) + REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO]) + REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM]) + REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE]) + REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF]) + REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR]) + REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN]) + REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF]) + REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE]) + REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME]) + REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT]) + REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF]) + REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF]) + REPLACE_STDIO_READ_FUNCS=0; AC_SUBST([REPLACE_STDIO_READ_FUNCS]) + REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS]) + REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE]) + REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF]) + REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF]) + REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF]) + REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF]) + REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF]) + REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF]) +]) diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4 new file mode 100644 index 00000000..ab43728a --- /dev/null +++ b/m4/stdlib_h.m4 @@ -0,0 +1,114 @@ +# stdlib_h.m4 serial 41 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_STDLIB_H], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + gl_NEXT_HEADERS([stdlib.h]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, and which is not + dnl guaranteed by C89. + gl_WARN_ON_USE_PREPARE([[#include <stdlib.h> +#if HAVE_SYS_LOADAVG_H +# include <sys/loadavg.h> +#endif +#if HAVE_RANDOM_H +# include <random.h> +#endif + ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt + initstate initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps + posix_openpt ptsname ptsname_r random random_r realpath rpmatch + setenv setstate setstate_r srandom srandom_r + strtod strtoll strtoull unlockpt unsetenv]) +]) + +AC_DEFUN([gl_STDLIB_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_STDLIB_H_DEFAULTS], +[ + GNULIB__EXIT=0; AC_SUBST([GNULIB__EXIT]) + GNULIB_ATOLL=0; AC_SUBST([GNULIB_ATOLL]) + GNULIB_CALLOC_POSIX=0; AC_SUBST([GNULIB_CALLOC_POSIX]) + GNULIB_CANONICALIZE_FILE_NAME=0; AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME]) + GNULIB_GETLOADAVG=0; AC_SUBST([GNULIB_GETLOADAVG]) + GNULIB_GETSUBOPT=0; AC_SUBST([GNULIB_GETSUBOPT]) + GNULIB_GRANTPT=0; AC_SUBST([GNULIB_GRANTPT]) + GNULIB_MALLOC_POSIX=0; AC_SUBST([GNULIB_MALLOC_POSIX]) + GNULIB_MBTOWC=0; AC_SUBST([GNULIB_MBTOWC]) + GNULIB_MKDTEMP=0; AC_SUBST([GNULIB_MKDTEMP]) + GNULIB_MKOSTEMP=0; AC_SUBST([GNULIB_MKOSTEMP]) + GNULIB_MKOSTEMPS=0; AC_SUBST([GNULIB_MKOSTEMPS]) + GNULIB_MKSTEMP=0; AC_SUBST([GNULIB_MKSTEMP]) + GNULIB_MKSTEMPS=0; AC_SUBST([GNULIB_MKSTEMPS]) + GNULIB_POSIX_OPENPT=0; AC_SUBST([GNULIB_POSIX_OPENPT]) + GNULIB_PTSNAME=0; AC_SUBST([GNULIB_PTSNAME]) + GNULIB_PTSNAME_R=0; AC_SUBST([GNULIB_PTSNAME_R]) + GNULIB_PUTENV=0; AC_SUBST([GNULIB_PUTENV]) + GNULIB_RANDOM=0; AC_SUBST([GNULIB_RANDOM]) + GNULIB_RANDOM_R=0; AC_SUBST([GNULIB_RANDOM_R]) + GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX]) + GNULIB_REALPATH=0; AC_SUBST([GNULIB_REALPATH]) + GNULIB_RPMATCH=0; AC_SUBST([GNULIB_RPMATCH]) + GNULIB_SETENV=0; AC_SUBST([GNULIB_SETENV]) + GNULIB_STRTOD=0; AC_SUBST([GNULIB_STRTOD]) + GNULIB_STRTOLL=0; AC_SUBST([GNULIB_STRTOLL]) + GNULIB_STRTOULL=0; AC_SUBST([GNULIB_STRTOULL]) + GNULIB_SYSTEM_POSIX=0; AC_SUBST([GNULIB_SYSTEM_POSIX]) + GNULIB_UNLOCKPT=0; AC_SUBST([GNULIB_UNLOCKPT]) + GNULIB_UNSETENV=0; AC_SUBST([GNULIB_UNSETENV]) + GNULIB_WCTOMB=0; AC_SUBST([GNULIB_WCTOMB]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE__EXIT=1; AC_SUBST([HAVE__EXIT]) + HAVE_ATOLL=1; AC_SUBST([HAVE_ATOLL]) + HAVE_CANONICALIZE_FILE_NAME=1; AC_SUBST([HAVE_CANONICALIZE_FILE_NAME]) + HAVE_DECL_GETLOADAVG=1; AC_SUBST([HAVE_DECL_GETLOADAVG]) + HAVE_GETSUBOPT=1; AC_SUBST([HAVE_GETSUBOPT]) + HAVE_GRANTPT=1; AC_SUBST([HAVE_GRANTPT]) + HAVE_MKDTEMP=1; AC_SUBST([HAVE_MKDTEMP]) + HAVE_MKOSTEMP=1; AC_SUBST([HAVE_MKOSTEMP]) + HAVE_MKOSTEMPS=1; AC_SUBST([HAVE_MKOSTEMPS]) + HAVE_MKSTEMP=1; AC_SUBST([HAVE_MKSTEMP]) + HAVE_MKSTEMPS=1; AC_SUBST([HAVE_MKSTEMPS]) + HAVE_POSIX_OPENPT=1; AC_SUBST([HAVE_POSIX_OPENPT]) + HAVE_PTSNAME=1; AC_SUBST([HAVE_PTSNAME]) + HAVE_PTSNAME_R=1; AC_SUBST([HAVE_PTSNAME_R]) + HAVE_RANDOM=1; AC_SUBST([HAVE_RANDOM]) + HAVE_RANDOM_H=1; AC_SUBST([HAVE_RANDOM_H]) + HAVE_RANDOM_R=1; AC_SUBST([HAVE_RANDOM_R]) + HAVE_REALPATH=1; AC_SUBST([HAVE_REALPATH]) + HAVE_RPMATCH=1; AC_SUBST([HAVE_RPMATCH]) + HAVE_SETENV=1; AC_SUBST([HAVE_SETENV]) + HAVE_DECL_SETENV=1; AC_SUBST([HAVE_DECL_SETENV]) + HAVE_STRTOD=1; AC_SUBST([HAVE_STRTOD]) + HAVE_STRTOLL=1; AC_SUBST([HAVE_STRTOLL]) + HAVE_STRTOULL=1; AC_SUBST([HAVE_STRTOULL]) + HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA]) + HAVE_SYS_LOADAVG_H=0; AC_SUBST([HAVE_SYS_LOADAVG_H]) + HAVE_UNLOCKPT=1; AC_SUBST([HAVE_UNLOCKPT]) + HAVE_DECL_UNSETENV=1; AC_SUBST([HAVE_DECL_UNSETENV]) + REPLACE_CALLOC=0; AC_SUBST([REPLACE_CALLOC]) + REPLACE_CANONICALIZE_FILE_NAME=0; AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME]) + REPLACE_MALLOC=0; AC_SUBST([REPLACE_MALLOC]) + REPLACE_MBTOWC=0; AC_SUBST([REPLACE_MBTOWC]) + REPLACE_MKSTEMP=0; AC_SUBST([REPLACE_MKSTEMP]) + REPLACE_PTSNAME_R=0; AC_SUBST([REPLACE_PTSNAME_R]) + REPLACE_PUTENV=0; AC_SUBST([REPLACE_PUTENV]) + REPLACE_RANDOM_R=0; AC_SUBST([REPLACE_RANDOM_R]) + REPLACE_REALLOC=0; AC_SUBST([REPLACE_REALLOC]) + REPLACE_REALPATH=0; AC_SUBST([REPLACE_REALPATH]) + REPLACE_SETENV=0; AC_SUBST([REPLACE_SETENV]) + REPLACE_STRTOD=0; AC_SUBST([REPLACE_STRTOD]) + REPLACE_UNSETENV=0; AC_SUBST([REPLACE_UNSETENV]) + REPLACE_WCTOMB=0; AC_SUBST([REPLACE_WCTOMB]) +]) diff --git a/m4/stpcpy.m4 b/m4/stpcpy.m4 new file mode 100644 index 00000000..8e954578 --- /dev/null +++ b/m4/stpcpy.m4 @@ -0,0 +1,25 @@ +# stpcpy.m4 serial 8 +dnl Copyright (C) 2002, 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STPCPY], +[ + dnl Persuade glibc <string.h> to declare stpcpy(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl The stpcpy() declaration in lib/string.in.h uses 'restrict'. + AC_REQUIRE([AC_C_RESTRICT]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_FUNCS([stpcpy]) + if test $ac_cv_func_stpcpy = no; then + HAVE_STPCPY=0 + fi +]) + +# Prerequisites of lib/stpcpy.c. +AC_DEFUN([gl_PREREQ_STPCPY], [ + : +]) diff --git a/m4/stpncpy.m4 b/m4/stpncpy.m4 new file mode 100644 index 00000000..90ae53b4 --- /dev/null +++ b/m4/stpncpy.m4 @@ -0,0 +1,97 @@ +# stpncpy.m4 serial 16 +dnl Copyright (C) 2002-2003, 2005-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STPNCPY], +[ + dnl Persuade glibc <string.h> to declare stpncpy(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + dnl The stpncpy() declaration in lib/string.in.h uses 'restrict'. + AC_REQUIRE([AC_C_RESTRICT]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + + dnl Both glibc and AIX (4.3.3, 5.1) have an stpncpy() function + dnl declared in <string.h>. Its side effects are the same as those + dnl of strncpy(): + dnl stpncpy (dest, src, n) + dnl overwrites dest[0..n-1], min(strlen(src),n) bytes coming from src, + dnl and the remaining bytes being NULs. However, the return value is + dnl in glibc: dest + min(strlen(src),n) + dnl in AIX: dest + max(0,n-1) + dnl Only the glibc return value is useful in practice. + + AC_CHECK_DECLS_ONCE([stpncpy]) + AC_CHECK_FUNCS_ONCE([stpncpy]) + if test $ac_cv_func_stpncpy = yes; then + AC_CACHE_CHECK([for working stpncpy], [gl_cv_func_stpncpy], [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdlib.h> +#include <string.h> /* for strcpy */ +/* The stpncpy prototype is missing in <string.h> on AIX 4. */ +#if !HAVE_DECL_STPNCPY +extern +# ifdef __cplusplus +"C" +# endif +char *stpncpy (char *dest, const char *src, size_t n); +#endif +int main () +{ + int result = 0; + const char *src = "Hello"; + char dest[10]; + /* AIX 4.3.3 and AIX 5.1 stpncpy() returns dest+1 here. */ + { + strcpy (dest, "\377\377\377\377\377\377"); + if (stpncpy (dest, src, 2) != dest + 2) + result |= 1; + } + /* AIX 4.3.3 and AIX 5.1 stpncpy() returns dest+4 here. */ + { + strcpy (dest, "\377\377\377\377\377\377"); + if (stpncpy (dest, src, 5) != dest + 5) + result |= 2; + } + /* AIX 4.3.3 and AIX 5.1 stpncpy() returns dest+6 here. */ + { + strcpy (dest, "\377\377\377\377\377\377"); + if (stpncpy (dest, src, 7) != dest + 5) + result |= 4; + } + return result; +} +]])], + [gl_cv_func_stpncpy=yes], + [gl_cv_func_stpncpy=no], + [AC_EGREP_CPP([Thanks for using GNU], [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + Thanks for using GNU +#endif +], [gl_cv_func_stpncpy="guessing yes"], [gl_cv_func_stpncpy="guessing no"]) + ]) + ]) + case "$gl_cv_func_stpncpy" in + *yes) + AC_DEFINE([HAVE_STPNCPY], [1], + [Define if you have the stpncpy() function and it works.]) + ;; + *) + REPLACE_STPNCPY=1 + ;; + esac + else + HAVE_STPNCPY=0 + fi +]) + +# Prerequisites of lib/stpncpy.c. +AC_DEFUN([gl_PREREQ_STPNCPY], [ + : +]) diff --git a/m4/strcase.m4 b/m4/strcase.m4 new file mode 100644 index 00000000..717fa9c3 --- /dev/null +++ b/m4/strcase.m4 @@ -0,0 +1,45 @@ +# strcase.m4 serial 11 +dnl Copyright (C) 2002, 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_STRCASE], +[ + gl_FUNC_STRCASECMP + gl_FUNC_STRNCASECMP +]) + +AC_DEFUN([gl_FUNC_STRCASECMP], +[ + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + AC_CHECK_FUNCS([strcasecmp]) + if test $ac_cv_func_strcasecmp = no; then + HAVE_STRCASECMP=0 + fi +]) + +AC_DEFUN([gl_FUNC_STRNCASECMP], +[ + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + AC_CHECK_FUNCS([strncasecmp]) + if test $ac_cv_func_strncasecmp = yes; then + HAVE_STRNCASECMP=1 + else + HAVE_STRNCASECMP=0 + fi + AC_CHECK_DECLS([strncasecmp]) + if test $ac_cv_have_decl_strncasecmp = no; then + HAVE_DECL_STRNCASECMP=0 + fi +]) + +# Prerequisites of lib/strcasecmp.c. +AC_DEFUN([gl_PREREQ_STRCASECMP], [ + : +]) + +# Prerequisites of lib/strncasecmp.c. +AC_DEFUN([gl_PREREQ_STRNCASECMP], [ + : +]) diff --git a/m4/strchrnul.m4 b/m4/strchrnul.m4 new file mode 100644 index 00000000..d3dfb9af --- /dev/null +++ b/m4/strchrnul.m4 @@ -0,0 +1,50 @@ +# strchrnul.m4 serial 9 +dnl Copyright (C) 2003, 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRCHRNUL], +[ + dnl Persuade glibc <string.h> to declare strchrnul(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_FUNCS([strchrnul]) + if test $ac_cv_func_strchrnul = no; then + HAVE_STRCHRNUL=0 + else + AC_CACHE_CHECK([whether strchrnul works], + [gl_cv_func_strchrnul_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <string.h> /* for strchrnul */ +]], [[const char *buf = "a"; + return strchrnul (buf, 'b') != buf + 1; + ]])], + [gl_cv_func_strchrnul_works=yes], + [gl_cv_func_strchrnul_works=no], + [dnl Cygwin 1.7.9 introduced strchrnul, but it was broken until 1.7.10 + AC_EGREP_CPP([Lucky user], + [ +#if defined __CYGWIN__ + #include <cygwin/version.h> + #if CYGWIN_VERSION_DLL_COMBINED > CYGWIN_VERSION_DLL_MAKE_COMBINED (1007, 9) + Lucky user + #endif +#else + Lucky user +#endif + ], + [gl_cv_func_strchrnul_works="guessing yes"], + [gl_cv_func_strchrnul_works="guessing no"]) + ]) + ]) + case "$gl_cv_func_strchrnul_works" in + *yes) ;; + *) REPLACE_STRCHRNUL=1 ;; + esac + fi +]) + +# Prerequisites of lib/strchrnul.c. +AC_DEFUN([gl_PREREQ_STRCHRNUL], [:]) diff --git a/m4/strdup.m4 b/m4/strdup.m4 new file mode 100644 index 00000000..db0c8c1d --- /dev/null +++ b/m4/strdup.m4 @@ -0,0 +1,36 @@ +# strdup.m4 serial 13 + +dnl Copyright (C) 2002-2012 Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRDUP], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([strdup]) + AC_CHECK_DECLS_ONCE([strdup]) + if test $ac_cv_have_decl_strdup = no; then + HAVE_DECL_STRDUP=0 + fi +]) + +AC_DEFUN([gl_FUNC_STRDUP_POSIX], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([gl_CHECK_MALLOC_POSIX]) + AC_CHECK_FUNCS_ONCE([strdup]) + if test $ac_cv_func_strdup = yes; then + if test $gl_cv_func_malloc_posix != yes; then + REPLACE_STRDUP=1 + fi + fi + AC_CHECK_DECLS_ONCE([strdup]) + if test $ac_cv_have_decl_strdup = no; then + HAVE_DECL_STRDUP=0 + fi +]) + +# Prerequisites of lib/strdup.c. +AC_DEFUN([gl_PREREQ_STRDUP], [:]) diff --git a/m4/strerror.m4 b/m4/strerror.m4 new file mode 100644 index 00000000..1c96e526 --- /dev/null +++ b/m4/strerror.m4 @@ -0,0 +1,96 @@ +# strerror.m4 serial 17 +dnl Copyright (C) 2002, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRERROR], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([gl_HEADER_ERRNO_H]) + AC_REQUIRE([gl_FUNC_STRERROR_0]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + m4_ifdef([gl_FUNC_STRERROR_R_WORKS], [ + AC_REQUIRE([gl_FUNC_STRERROR_R_WORKS]) + ]) + if test "$ERRNO_H:$REPLACE_STRERROR_0" = :0; then + AC_CACHE_CHECK([for working strerror function], + [gl_cv_func_working_strerror], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <string.h> + ]], + [[if (!*strerror (-2)) return 1;]])], + [gl_cv_func_working_strerror=yes], + [gl_cv_func_working_strerror=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_working_strerror="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_working_strerror="guessing no" ;; + esac + ]) + ]) + case "$gl_cv_func_working_strerror" in + *yes) ;; + *) + dnl The system's strerror() fails to return a string for out-of-range + dnl integers. Replace it. + REPLACE_STRERROR=1 + ;; + esac + m4_ifdef([gl_FUNC_STRERROR_R_WORKS], [ + dnl If the system's strerror_r or __xpg_strerror_r clobbers strerror's + dnl buffer, we must replace strerror. + case "$gl_cv_func_strerror_r_works" in + *no) REPLACE_STRERROR=1 ;; + esac + ]) + else + dnl The system's strerror() cannot know about the new errno values we add + dnl to <errno.h>, or any fix for strerror(0). Replace it. + REPLACE_STRERROR=1 + fi +]) + +dnl Detect if strerror(0) passes (that is, does not set errno, and does not +dnl return a string that matches strerror(-1)). +AC_DEFUN([gl_FUNC_STRERROR_0], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + REPLACE_STRERROR_0=0 + AC_CACHE_CHECK([whether strerror(0) succeeds], + [gl_cv_func_strerror_0_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <string.h> + #include <errno.h> + ]], + [[int result = 0; + char *str; + errno = 0; + str = strerror (0); + if (!*str) result |= 1; + if (errno) result |= 2; + if (strstr (str, "nknown") || strstr (str, "ndefined")) + result |= 4; + return result;]])], + [gl_cv_func_strerror_0_works=yes], + [gl_cv_func_strerror_0_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_strerror_0_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_strerror_0_works="guessing no" ;; + esac + ]) + ]) + case "$gl_cv_func_strerror_0_works" in + *yes) ;; + *) + REPLACE_STRERROR_0=1 + AC_DEFINE([REPLACE_STRERROR_0], [1], [Define to 1 if strerror(0) + does not return a message implying success.]) + ;; + esac +]) diff --git a/m4/strerror_r.m4 b/m4/strerror_r.m4 new file mode 100644 index 00000000..5bdf0abe --- /dev/null +++ b/m4/strerror_r.m4 @@ -0,0 +1,173 @@ +# strerror_r.m4 serial 14 +dnl Copyright (C) 2002, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRERROR_R], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_STRERROR_R_WORKS]) + + dnl Persuade Solaris <string.h> to declare strerror_r(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + dnl Some systems don't declare strerror_r() if _THREAD_SAFE and _REENTRANT + dnl are not defined. + AC_CHECK_DECLS_ONCE([strerror_r]) + if test $ac_cv_have_decl_strerror_r = no; then + HAVE_DECL_STRERROR_R=0 + fi + + if test $ac_cv_func_strerror_r = yes; then + if test "$ERRNO_H:$REPLACE_STRERROR_0" = :0; then + if test $gl_cv_func_strerror_r_posix_signature = yes; then + case "$gl_cv_func_strerror_r_works" in + dnl The system's strerror_r has bugs. Replace it. + *no) REPLACE_STRERROR_R=1 ;; + esac + else + dnl The system's strerror_r() has a wrong signature. Replace it. + REPLACE_STRERROR_R=1 + fi + else + dnl The system's strerror_r() cannot know about the new errno values we + dnl add to <errno.h>, or any fix for strerror(0). Replace it. + REPLACE_STRERROR_R=1 + fi + fi +]) + +# Prerequisites of lib/strerror_r.c. +AC_DEFUN([gl_PREREQ_STRERROR_R], [ + dnl glibc >= 2.3.4 and cygwin 1.7.9 have a function __xpg_strerror_r. + AC_CHECK_FUNCS_ONCE([__xpg_strerror_r]) + AC_CHECK_FUNCS_ONCE([catgets]) + AC_CHECK_FUNCS_ONCE([snprintf]) +]) + +# Detect if strerror_r works, but without affecting whether a replacement +# strerror_r will be used. +AC_DEFUN([gl_FUNC_STRERROR_R_WORKS], +[ + AC_REQUIRE([gl_HEADER_ERRNO_H]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_FUNC_STRERROR_0]) + + AC_CHECK_FUNCS_ONCE([strerror_r]) + if test $ac_cv_func_strerror_r = yes; then + if test "$ERRNO_H:$REPLACE_STRERROR_0" = :0; then + dnl The POSIX prototype is: int strerror_r (int, char *, size_t); + dnl glibc, Cygwin: char *strerror_r (int, char *, size_t); + dnl AIX 5.1, OSF/1 5.1: int strerror_r (int, char *, int); + AC_CACHE_CHECK([for strerror_r with POSIX signature], + [gl_cv_func_strerror_r_posix_signature], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <string.h> + int strerror_r (int, char *, size_t); + ]], + [])], + [gl_cv_func_strerror_r_posix_signature=yes], + [gl_cv_func_strerror_r_posix_signature=no]) + ]) + if test $gl_cv_func_strerror_r_posix_signature = yes; then + dnl AIX 6.1 strerror_r fails by returning -1, not an error number. + dnl HP-UX 11.31 strerror_r always fails when the buffer length argument + dnl is less than 80. + dnl FreeBSD 8.s strerror_r claims failure on 0 + dnl MacOS X 10.5 strerror_r treats 0 like -1 + dnl Solaris 10 strerror_r corrupts errno on failure + AC_CACHE_CHECK([whether strerror_r works], + [gl_cv_func_strerror_r_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <errno.h> + #include <string.h> + ]], + [[int result = 0; + char buf[79]; + if (strerror_r (EACCES, buf, 0) < 0) + result |= 1; + errno = 0; + if (strerror_r (EACCES, buf, sizeof buf) != 0) + result |= 2; + strcpy (buf, "Unknown"); + if (strerror_r (0, buf, sizeof buf) != 0) + result |= 4; + if (errno) + result |= 8; + if (strstr (buf, "nknown") || strstr (buf, "ndefined")) + result |= 0x10; + errno = 0; + *buf = 0; + if (strerror_r (-3, buf, sizeof buf) < 0) + result |= 0x20; + if (errno) + result |= 0x40; + if (!*buf) + result |= 0x80; + return result; + ]])], + [gl_cv_func_strerror_r_works=yes], + [gl_cv_func_strerror_r_works=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess no on AIX. + aix*) gl_cv_func_strerror_r_works="guessing no";; + # Guess no on HP-UX. + hpux*) gl_cv_func_strerror_r_works="guessing no";; + # Guess no on BSD variants. + *bsd*) gl_cv_func_strerror_r_works="guessing no";; + # Guess yes otherwise. + *) gl_cv_func_strerror_r_works="guessing yes";; + esac +changequote([,])dnl + ]) + ]) + else + dnl The system's strerror() has a wrong signature. + dnl glibc >= 2.3.4 and cygwin 1.7.9 have a function __xpg_strerror_r. + AC_CHECK_FUNCS_ONCE([__xpg_strerror_r]) + dnl In glibc < 2.14, __xpg_strerror_r does not populate buf on failure. + dnl In cygwin < 1.7.10, __xpg_strerror_r clobbers strerror's buffer. + if test $ac_cv_func___xpg_strerror_r = yes; then + AC_CACHE_CHECK([whether __xpg_strerror_r works], + [gl_cv_func_strerror_r_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <errno.h> + #include <string.h> + extern + #ifdef __cplusplus + "C" + #endif + int __xpg_strerror_r(int, char *, size_t); + ]], + [[int result = 0; + char buf[256] = "^"; + char copy[256]; + char *str = strerror (-1); + strcpy (copy, str); + if (__xpg_strerror_r (-2, buf, 1) == 0) + result |= 1; + if (*buf) + result |= 2; + __xpg_strerror_r (-2, buf, 256); + if (strcmp (str, copy)) + result |= 4; + return result; + ]])], + [gl_cv_func_strerror_r_works=yes], + [gl_cv_func_strerror_r_works=no], + [dnl Guess no on all platforms that have __xpg_strerror_r, + dnl at least until fixed glibc and cygwin are more common. + gl_cv_func_strerror_r_works="guessing no" + ]) + ]) + fi + fi + fi + fi +]) diff --git a/m4/strftime.m4 b/m4/strftime.m4 new file mode 100644 index 00000000..42043019 --- /dev/null +++ b/m4/strftime.m4 @@ -0,0 +1,28 @@ +# serial 33 + +# Copyright (C) 1996-1997, 1999-2007, 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering and Paul Eggert. + +AC_DEFUN([gl_FUNC_GNU_STRFTIME], +[ + gl_FUNC_STRFTIME +]) + +# These are the prerequisite macros for GNU's strftime.c replacement. +AC_DEFUN([gl_FUNC_STRFTIME], +[ + # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE. + AC_REQUIRE([AC_STRUCT_TIMEZONE]) + + AC_REQUIRE([gl_TM_GMTOFF]) + + AC_CHECK_FUNCS_ONCE([tzset]) + + AC_DEFINE([my_strftime], [nstrftime], + [Define to the name of the strftime replacement function.]) +]) diff --git a/m4/string_h.m4 b/m4/string_h.m4 new file mode 100644 index 00000000..5677e092 --- /dev/null +++ b/m4/string_h.m4 @@ -0,0 +1,120 @@ +# Configure a GNU-like replacement for <string.h>. + +# Copyright (C) 2007-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# serial 21 + +# Written by Paul Eggert. + +AC_DEFUN([gl_HEADER_STRING_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_HEADER_STRING_H_BODY]) +]) + +AC_DEFUN([gl_HEADER_STRING_H_BODY], +[ + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + gl_NEXT_HEADERS([string.h]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, and which is not + dnl guaranteed by C89. + gl_WARN_ON_USE_PREPARE([[#include <string.h> + ]], + [ffsl ffsll memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul + strdup strncat strndup strnlen strpbrk strsep strcasestr strtok_r + strerror_r strsignal strverscmp]) +]) + +AC_DEFUN([gl_STRING_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS], +[ + GNULIB_FFSL=0; AC_SUBST([GNULIB_FFSL]) + GNULIB_FFSLL=0; AC_SUBST([GNULIB_FFSLL]) + GNULIB_MEMCHR=0; AC_SUBST([GNULIB_MEMCHR]) + GNULIB_MEMMEM=0; AC_SUBST([GNULIB_MEMMEM]) + GNULIB_MEMPCPY=0; AC_SUBST([GNULIB_MEMPCPY]) + GNULIB_MEMRCHR=0; AC_SUBST([GNULIB_MEMRCHR]) + GNULIB_RAWMEMCHR=0; AC_SUBST([GNULIB_RAWMEMCHR]) + GNULIB_STPCPY=0; AC_SUBST([GNULIB_STPCPY]) + GNULIB_STPNCPY=0; AC_SUBST([GNULIB_STPNCPY]) + GNULIB_STRCHRNUL=0; AC_SUBST([GNULIB_STRCHRNUL]) + GNULIB_STRDUP=0; AC_SUBST([GNULIB_STRDUP]) + GNULIB_STRNCAT=0; AC_SUBST([GNULIB_STRNCAT]) + GNULIB_STRNDUP=0; AC_SUBST([GNULIB_STRNDUP]) + GNULIB_STRNLEN=0; AC_SUBST([GNULIB_STRNLEN]) + GNULIB_STRPBRK=0; AC_SUBST([GNULIB_STRPBRK]) + GNULIB_STRSEP=0; AC_SUBST([GNULIB_STRSEP]) + GNULIB_STRSTR=0; AC_SUBST([GNULIB_STRSTR]) + GNULIB_STRCASESTR=0; AC_SUBST([GNULIB_STRCASESTR]) + GNULIB_STRTOK_R=0; AC_SUBST([GNULIB_STRTOK_R]) + GNULIB_MBSLEN=0; AC_SUBST([GNULIB_MBSLEN]) + GNULIB_MBSNLEN=0; AC_SUBST([GNULIB_MBSNLEN]) + GNULIB_MBSCHR=0; AC_SUBST([GNULIB_MBSCHR]) + GNULIB_MBSRCHR=0; AC_SUBST([GNULIB_MBSRCHR]) + GNULIB_MBSSTR=0; AC_SUBST([GNULIB_MBSSTR]) + GNULIB_MBSCASECMP=0; AC_SUBST([GNULIB_MBSCASECMP]) + GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP]) + GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP]) + GNULIB_MBSCASESTR=0; AC_SUBST([GNULIB_MBSCASESTR]) + GNULIB_MBSCSPN=0; AC_SUBST([GNULIB_MBSCSPN]) + GNULIB_MBSPBRK=0; AC_SUBST([GNULIB_MBSPBRK]) + GNULIB_MBSSPN=0; AC_SUBST([GNULIB_MBSSPN]) + GNULIB_MBSSEP=0; AC_SUBST([GNULIB_MBSSEP]) + GNULIB_MBSTOK_R=0; AC_SUBST([GNULIB_MBSTOK_R]) + GNULIB_STRERROR=0; AC_SUBST([GNULIB_STRERROR]) + GNULIB_STRERROR_R=0; AC_SUBST([GNULIB_STRERROR_R]) + GNULIB_STRSIGNAL=0; AC_SUBST([GNULIB_STRSIGNAL]) + GNULIB_STRVERSCMP=0; AC_SUBST([GNULIB_STRVERSCMP]) + HAVE_MBSLEN=0; AC_SUBST([HAVE_MBSLEN]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_FFSL=1; AC_SUBST([HAVE_FFSL]) + HAVE_FFSLL=1; AC_SUBST([HAVE_FFSLL]) + HAVE_MEMCHR=1; AC_SUBST([HAVE_MEMCHR]) + HAVE_DECL_MEMMEM=1; AC_SUBST([HAVE_DECL_MEMMEM]) + HAVE_MEMPCPY=1; AC_SUBST([HAVE_MEMPCPY]) + HAVE_DECL_MEMRCHR=1; AC_SUBST([HAVE_DECL_MEMRCHR]) + HAVE_RAWMEMCHR=1; AC_SUBST([HAVE_RAWMEMCHR]) + HAVE_STPCPY=1; AC_SUBST([HAVE_STPCPY]) + HAVE_STPNCPY=1; AC_SUBST([HAVE_STPNCPY]) + HAVE_STRCHRNUL=1; AC_SUBST([HAVE_STRCHRNUL]) + HAVE_DECL_STRDUP=1; AC_SUBST([HAVE_DECL_STRDUP]) + HAVE_DECL_STRNDUP=1; AC_SUBST([HAVE_DECL_STRNDUP]) + HAVE_DECL_STRNLEN=1; AC_SUBST([HAVE_DECL_STRNLEN]) + HAVE_STRPBRK=1; AC_SUBST([HAVE_STRPBRK]) + HAVE_STRSEP=1; AC_SUBST([HAVE_STRSEP]) + HAVE_STRCASESTR=1; AC_SUBST([HAVE_STRCASESTR]) + HAVE_DECL_STRTOK_R=1; AC_SUBST([HAVE_DECL_STRTOK_R]) + HAVE_DECL_STRERROR_R=1; AC_SUBST([HAVE_DECL_STRERROR_R]) + HAVE_DECL_STRSIGNAL=1; AC_SUBST([HAVE_DECL_STRSIGNAL]) + HAVE_STRVERSCMP=1; AC_SUBST([HAVE_STRVERSCMP]) + REPLACE_MEMCHR=0; AC_SUBST([REPLACE_MEMCHR]) + REPLACE_MEMMEM=0; AC_SUBST([REPLACE_MEMMEM]) + REPLACE_STPNCPY=0; AC_SUBST([REPLACE_STPNCPY]) + REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP]) + REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR]) + REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR]) + REPLACE_STRCHRNUL=0; AC_SUBST([REPLACE_STRCHRNUL]) + REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR]) + REPLACE_STRERROR_R=0; AC_SUBST([REPLACE_STRERROR_R]) + REPLACE_STRNCAT=0; AC_SUBST([REPLACE_STRNCAT]) + REPLACE_STRNDUP=0; AC_SUBST([REPLACE_STRNDUP]) + REPLACE_STRNLEN=0; AC_SUBST([REPLACE_STRNLEN]) + REPLACE_STRSIGNAL=0; AC_SUBST([REPLACE_STRSIGNAL]) + REPLACE_STRTOK_R=0; AC_SUBST([REPLACE_STRTOK_R]) + UNDEFINE_STRTOK_R=0; AC_SUBST([UNDEFINE_STRTOK_R]) +]) diff --git a/m4/strings_h.m4 b/m4/strings_h.m4 new file mode 100644 index 00000000..a057e1c8 --- /dev/null +++ b/m4/strings_h.m4 @@ -0,0 +1,52 @@ +# Configure a replacement for <strings.h>. +# serial 6 + +# Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_STRINGS_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_HEADER_STRINGS_H_BODY]) +]) + +AC_DEFUN([gl_HEADER_STRINGS_H_BODY], +[ + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + + gl_CHECK_NEXT_HEADERS([strings.h]) + if test $ac_cv_header_strings_h = yes; then + HAVE_STRINGS_H=1 + else + HAVE_STRINGS_H=0 + fi + AC_SUBST([HAVE_STRINGS_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ + /* Minix 3.1.8 has a bug: <sys/types.h> must be included before + <strings.h>. */ + #include <sys/types.h> + #include <strings.h> + ]], [ffs strcasecmp strncasecmp]) +]) + +AC_DEFUN([gl_STRINGS_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS], +[ + GNULIB_FFS=0; AC_SUBST([GNULIB_FFS]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_FFS=1; AC_SUBST([HAVE_FFS]) + HAVE_STRCASECMP=1; AC_SUBST([HAVE_STRCASECMP]) + HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP]) +]) diff --git a/m4/strncat.m4 b/m4/strncat.m4 new file mode 100644 index 00000000..fde4ec9d --- /dev/null +++ b/m4/strncat.m4 @@ -0,0 +1,102 @@ +# strncat.m4 serial 2 +dnl Copyright (C) 2002-2004, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN_ONCE([gl_FUNC_STRNCAT], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Check for prerequisites for memory fence checks. + gl_FUNC_MMAP_ANON + AC_CHECK_HEADERS_ONCE([sys/mman.h]) + AC_CHECK_FUNCS_ONCE([mprotect]) + + dnl Detect bug in Solaris 8..10 on SPARC: + dnl strncat should not dereference more than n bytes, but always dereferences + dnl n+1 bytes if the first n bytes don't contain a NUL byte. + dnl Assume that strncat works on platforms that lack mprotect. + AC_CACHE_CHECK([whether strncat works], [gl_cv_func_strncat_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <string.h> +#if HAVE_SYS_MMAN_H +# include <fcntl.h> +# include <unistd.h> +# include <sys/types.h> +# include <sys/mman.h> +# ifndef MAP_FILE +# define MAP_FILE 0 +# endif +#endif +]], [[ + char *fence = NULL; +#if HAVE_SYS_MMAN_H && HAVE_MPROTECT +# if HAVE_MAP_ANONYMOUS + const int flags = MAP_ANONYMOUS | MAP_PRIVATE; + const int fd = -1; +# else /* !HAVE_MAP_ANONYMOUS */ + const int flags = MAP_FILE | MAP_PRIVATE; + int fd = open ("/dev/zero", O_RDONLY, 0666); + if (fd >= 0) +# endif + { + int pagesize = getpagesize (); + char *two_pages = + (char *) mmap (NULL, 2 * pagesize, PROT_READ | PROT_WRITE, + flags, fd, 0); + if (two_pages != (char *)(-1) + && mprotect (two_pages + pagesize, pagesize, PROT_NONE) == 0) + fence = two_pages + pagesize; + } +#endif + if (fence) + { + char dest[8]; + + dest[0] = '*'; + dest[1] = 'a'; + dest[2] = '\0'; + dest[3] = 'w'; + dest[4] = 'x'; + dest[5] = 'y'; + dest[6] = 'z'; + + *(fence - 3) = '7'; + *(fence - 2) = '2'; + *(fence - 1) = '9'; + + if (strncat (dest + 1, fence - 3, 3) != dest + 1) + return 1; + if (dest[0] != '*') + return 2; + if (dest[1] != 'a' + || dest[2] != '7' || dest[3] != '2' || dest[4] != '9' + || dest[5] != '\0') + return 3; + if (dest[6] != 'z') + return 4; + } + return 0; +]])], [gl_cv_func_strncat_works=yes], [gl_cv_func_strncat_works=no], + [ + case "$host_os" in + # Guess no on Solaris. + solaris*) gl_cv_func_strncat_works="guessing no";; + # Guess yes otherwise. + *) gl_cv_func_strncat_works="guessing yes";; + esac + ]) + ]) + case "$gl_cv_func_strncat_works" in + *yes) ;; + *) REPLACE_STRNCAT=1 ;; + esac +]) + +# Prerequisites of lib/strncat.c. +AC_DEFUN([gl_PREREQ_STRNCAT], [ + : +]) diff --git a/m4/strndup.m4 b/m4/strndup.m4 new file mode 100644 index 00000000..bdde5fe1 --- /dev/null +++ b/m4/strndup.m4 @@ -0,0 +1,55 @@ +# strndup.m4 serial 20 +dnl Copyright (C) 2002-2003, 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRNDUP], +[ + dnl Persuade glibc <string.h> to declare strndup(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_DECLS_ONCE([strndup]) + AC_CHECK_FUNCS_ONCE([strndup]) + if test $ac_cv_have_decl_strndup = no; then + HAVE_DECL_STRNDUP=0 + fi + + if test $ac_cv_func_strndup = yes; then + HAVE_STRNDUP=1 + # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'. + AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup_works], + [AC_RUN_IFELSE([ + AC_LANG_PROGRAM([[#include <string.h> + #include <stdlib.h>]], [[ +#ifndef HAVE_DECL_STRNDUP + extern + #ifdef __cplusplus + "C" + #endif + char *strndup (const char *, size_t); +#endif + char *s; + s = strndup ("some longer string", 15); + free (s); + s = strndup ("shorter string", 13); + return s[13] != '\0';]])], + [gl_cv_func_strndup_works=yes], + [gl_cv_func_strndup_works=no], + [ +changequote(,)dnl + case $host_os in + aix | aix[3-6]*) gl_cv_func_strndup_works="guessing no";; + *) gl_cv_func_strndup_works="guessing yes";; + esac +changequote([,])dnl + ])]) + case $gl_cv_func_strndup_works in + *no) REPLACE_STRNDUP=1 ;; + esac + else + HAVE_STRNDUP=0 + fi +]) diff --git a/m4/strnlen.m4 b/m4/strnlen.m4 new file mode 100644 index 00000000..d97e3075 --- /dev/null +++ b/m4/strnlen.m4 @@ -0,0 +1,30 @@ +# strnlen.m4 serial 13 +dnl Copyright (C) 2002-2003, 2005-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRNLEN], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + + dnl Persuade glibc <string.h> to declare strnlen(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([strnlen]) + if test $ac_cv_have_decl_strnlen = no; then + HAVE_DECL_STRNLEN=0 + else + m4_pushdef([AC_LIBOBJ], [:]) + dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]). + AC_FUNC_STRNLEN + m4_popdef([AC_LIBOBJ]) + if test $ac_cv_func_strnlen_working = no; then + REPLACE_STRNLEN=1 + fi + fi +]) + +# Prerequisites of lib/strnlen.c. +AC_DEFUN([gl_PREREQ_STRNLEN], [:]) diff --git a/m4/strnumcmp.m4 b/m4/strnumcmp.m4 new file mode 100644 index 00000000..437e18c9 --- /dev/null +++ b/m4/strnumcmp.m4 @@ -0,0 +1,27 @@ +# Compare numeric strings. + +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_STRINTCMP], +[ + AC_LIBSOURCES([strintcmp.c, strnumcmp.h, strnumcmp-in.h]) + AC_LIBOBJ([strintcmp]) + + dnl Prerequisites of lib/strintcmp.c. + AC_REQUIRE([AC_INLINE]) +]) + +AC_DEFUN([gl_STRNUMCMP], +[ + AC_LIBSOURCES([strnumcmp.c, strnumcmp.h, strnumcmp-in.h]) + AC_LIBOBJ([strnumcmp]) + + dnl Prerequisites of lib/strnumcmp.c. + AC_REQUIRE([AC_INLINE]) +]) diff --git a/m4/strpbrk.m4 b/m4/strpbrk.m4 new file mode 100644 index 00000000..3a5f4c34 --- /dev/null +++ b/m4/strpbrk.m4 @@ -0,0 +1,17 @@ +# strpbrk.m4 serial 6 +dnl Copyright (C) 2002-2003, 2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRPBRK], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_CHECK_FUNCS([strpbrk]) + if test $ac_cv_func_strpbrk = no; then + HAVE_STRPBRK=0 + fi +]) + +# Prerequisites of lib/strpbrk.c. +AC_DEFUN([gl_PREREQ_STRPBRK], [:]) diff --git a/m4/strsignal.m4 b/m4/strsignal.m4 new file mode 100644 index 00000000..5e15e744 --- /dev/null +++ b/m4/strsignal.m4 @@ -0,0 +1,59 @@ +# strsignal.m4 serial 8 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRSIGNAL], +[ + dnl Persuade glibc <string.h> to declare strsignal(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_CHECK_DECLS_ONCE([strsignal]) + if test $ac_cv_have_decl_strsignal = no; then + HAVE_DECL_STRSIGNAL=0 + fi + + AC_CHECK_FUNCS([strsignal]) + if test $ac_cv_func_strsignal = yes; then + HAVE_STRSIGNAL=1 + dnl Check if strsignal behaves reasonably for out-of-range signal numbers. + dnl On Solaris it returns NULL; on AIX 5.1 it returns (char *) -1. + AC_CACHE_CHECK([whether strsignal always returns a string], + [gl_cv_func_working_strsignal], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <string.h> +#include <unistd.h> /* NetBSD 5.0 declares it in wrong header. */ + ]], + [[int result = 0; + char *s = strsignal (-1); + if (s == (char *) 0) + result |= 1; + if (s == (char *) -1) + result |= 2; + return result; + ]])], + [gl_cv_func_working_strsignal=yes], + [gl_cv_func_working_strsignal=no], + [case "$host_os" in + solaris* | aix*) gl_cv_func_working_strsignal=no;; + *) gl_cv_func_working_strsignal="guessing yes";; + esac])]) + if test "$gl_cv_func_working_strsignal" = no; then + REPLACE_STRSIGNAL=1 + fi + else + HAVE_STRSIGNAL=0 + fi +]) + +# Prerequisites of lib/strsignal.c. +AC_DEFUN([gl_PREREQ_STRSIGNAL], [ + AC_CHECK_HEADERS_ONCE([unistd.h]) + AC_REQUIRE([AC_DECL_SYS_SIGLIST]) + AC_CHECK_DECLS([_sys_siglist], [], [], [[#include <signal.h>]]) +]) diff --git a/m4/strstr.m4 b/m4/strstr.m4 new file mode 100644 index 00000000..b8f94bf7 --- /dev/null +++ b/m4/strstr.m4 @@ -0,0 +1,130 @@ +# strstr.m4 serial 16 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check that strstr works. +AC_DEFUN([gl_FUNC_STRSTR_SIMPLE], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_MEMCHR]) + if test "$gl_cv_func_memchr_works" != yes; then + REPLACE_STRSTR=1 + else + dnl Detect http://sourceware.org/bugzilla/show_bug.cgi?id=12092. + AC_CACHE_CHECK([whether strstr works], + [gl_cv_func_strstr_works_always], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <string.h> /* for strstr */ +#define P "_EF_BF_BD" +#define HAYSTACK "F_BD_CE_BD" P P P P "_C3_88_20" P P P "_C3_A7_20" P +#define NEEDLE P P P P P +]], [[return !!strstr (HAYSTACK, NEEDLE); + ]])], + [gl_cv_func_strstr_works_always=yes], + [gl_cv_func_strstr_works_always=no], + [dnl glibc 2.12 and cygwin 1.7.7 have a known bug. uClibc is not + dnl affected, since it uses different source code for strstr than + dnl glibc. + dnl Assume that it works on all other platforms, even if it is not + dnl linear. + AC_EGREP_CPP([Lucky user], + [ +#ifdef __GNU_LIBRARY__ + #include <features.h> + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \ + || defined __UCLIBC__ + Lucky user + #endif +#elif defined __CYGWIN__ + #include <cygwin/version.h> + #if CYGWIN_VERSION_DLL_COMBINED > CYGWIN_VERSION_DLL_MAKE_COMBINED (1007, 7) + Lucky user + #endif +#else + Lucky user +#endif + ], + [gl_cv_func_strstr_works_always="guessing yes"], + [gl_cv_func_strstr_works_always="guessing no"]) + ]) + ]) + case "$gl_cv_func_strstr_works_always" in + *yes) ;; + *) + REPLACE_STRSTR=1 + ;; + esac + fi +]) # gl_FUNC_STRSTR_SIMPLE + +dnl Additionally, check that strstr is efficient. +AC_DEFUN([gl_FUNC_STRSTR], +[ + AC_REQUIRE([gl_FUNC_STRSTR_SIMPLE]) + if test $REPLACE_STRSTR = 0; then + AC_CACHE_CHECK([whether strstr works in linear time], + [gl_cv_func_strstr_linear], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <signal.h> /* for signal */ +#include <string.h> /* for strstr */ +#include <stdlib.h> /* for malloc */ +#include <unistd.h> /* for alarm */ +static void quit (int sig) { exit (sig + 128); } +]], [[ + int result = 0; + size_t m = 1000000; + char *haystack = (char *) malloc (2 * m + 2); + char *needle = (char *) malloc (m + 2); + /* Failure to compile this test due to missing alarm is okay, + since all such platforms (mingw) also have quadratic strstr. */ + signal (SIGALRM, quit); + alarm (5); + /* Check for quadratic performance. */ + if (haystack && needle) + { + memset (haystack, 'A', 2 * m); + haystack[2 * m] = 'B'; + haystack[2 * m + 1] = 0; + memset (needle, 'A', m); + needle[m] = 'B'; + needle[m + 1] = 0; + if (!strstr (haystack, needle)) + result |= 1; + } + return result; + ]])], + [gl_cv_func_strstr_linear=yes], [gl_cv_func_strstr_linear=no], + [dnl Only glibc > 2.12 on processors without SSE 4.2 instructions and + dnl cygwin > 1.7.7 are known to have a bug-free strstr that works in + dnl linear time. + AC_EGREP_CPP([Lucky user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \ + && !(defined __i386__ || defined __x86_64__) \ + && !defined __UCLIBC__ + Lucky user + #endif +#endif +#ifdef __CYGWIN__ + #include <cygwin/version.h> + #if CYGWIN_VERSION_DLL_COMBINED > CYGWIN_VERSION_DLL_MAKE_COMBINED (1007, 7) + Lucky user + #endif +#endif + ], + [gl_cv_func_strstr_linear="guessing yes"], + [gl_cv_func_strstr_linear="guessing no"]) + ]) + ]) + case "$gl_cv_func_strstr_linear" in + *yes) ;; + *) + REPLACE_STRSTR=1 + ;; + esac + fi +]) # gl_FUNC_STRSTR diff --git a/m4/strtod.m4 b/m4/strtod.m4 new file mode 100644 index 00000000..ac372844 --- /dev/null +++ b/m4/strtod.m4 @@ -0,0 +1,133 @@ +# strtod.m4 serial 22 +dnl Copyright (C) 2002-2003, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRTOD], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + m4_ifdef([gl_FUNC_STRTOD_OBSOLETE], [ + dnl Test whether strtod is declared. + dnl Don't call AC_FUNC_STRTOD, because it does not have the right guess + dnl when cross-compiling. + dnl Don't call AC_CHECK_FUNCS([strtod]) because it would collide with the + dnl ac_cv_func_strtod variable set by the AC_FUNC_STRTOD macro. + AC_CHECK_DECLS_ONCE([strtod]) + if test $ac_cv_have_decl_strtod != yes; then + HAVE_STRTOD=0 + fi + ]) + if test $HAVE_STRTOD = 1; then + AC_CACHE_CHECK([whether strtod obeys C99], [gl_cv_func_strtod_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <stdlib.h> +#include <math.h> +#include <errno.h> +/* Compare two numbers with ==. + This is a separate function because IRIX 6.5 "cc -O" miscompiles an + 'x == x' test. */ +static int +numeric_equal (double x, double y) +{ + return x == y; +} +]], [[ + int result = 0; + { + /* In some old versions of Linux (2000 or before), strtod mis-parses + strings with leading '+'. */ + const char *string = " +69"; + char *term; + double value = strtod (string, &term); + if (value != 69 || term != (string + 4)) + result |= 1; + } + { + /* Under Solaris 2.4, strtod returns the wrong value for the + terminating character under some conditions. */ + const char *string = "NaN"; + char *term; + strtod (string, &term); + if (term != string && *(term - 1) == 0) + result |= 2; + } + { + /* Older glibc and Cygwin mis-parse "-0x". */ + const char *string = "-0x"; + char *term; + double value = strtod (string, &term); + double zero = 0.0; + if (1.0 / value != -1.0 / zero || term != (string + 2)) + result |= 4; + } + { + /* Many platforms do not parse hex floats. */ + const char *string = "0XaP+1"; + char *term; + double value = strtod (string, &term); + if (value != 20.0 || term != (string + 6)) + result |= 8; + } + { + /* Many platforms do not parse infinities. HP-UX 11.31 parses inf, + but mistakenly sets errno. */ + const char *string = "inf"; + char *term; + double value; + errno = 0; + value = strtod (string, &term); + if (value != HUGE_VAL || term != (string + 3) || errno) + result |= 16; + } + { + /* glibc 2.7 and cygwin 1.5.24 misparse "nan()". */ + const char *string = "nan()"; + char *term; + double value = strtod (string, &term); + if (numeric_equal (value, value) || term != (string + 5)) + result |= 32; + } + { + /* darwin 10.6.1 misparses "nan(". */ + const char *string = "nan("; + char *term; + double value = strtod (string, &term); + if (numeric_equal (value, value) || term != (string + 3)) + result |= 64; + } + return result; +]])], + [gl_cv_func_strtod_works=yes], + [gl_cv_func_strtod_works=no], + [dnl The last known bugs in glibc strtod(), as of this writing, + dnl were fixed in version 2.8 + AC_EGREP_CPP([Lucky user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8) || (__GLIBC__ > 2)) \ + && !defined __UCLIBC__ + Lucky user + #endif +#endif + ], + [gl_cv_func_strtod_works="guessing yes"], + [gl_cv_func_strtod_works="guessing no"])])]) + case "$gl_cv_func_strtod_works" in + *yes) ;; + *) + REPLACE_STRTOD=1 + ;; + esac + fi +]) + +# Prerequisites of lib/strtod.c. +AC_DEFUN([gl_PREREQ_STRTOD], [ + AC_REQUIRE([gl_CHECK_LDEXP_NO_LIBM]) + if test $gl_cv_func_ldexp_no_libm = yes; then + AC_DEFINE([HAVE_LDEXP_IN_LIBC], [1], + [Define if the ldexp function is available in libc.]) + fi +]) diff --git a/m4/strtoimax.m4 b/m4/strtoimax.m4 new file mode 100644 index 00000000..58a31899 --- /dev/null +++ b/m4/strtoimax.m4 @@ -0,0 +1,83 @@ +# strtoimax.m4 serial 13 +dnl Copyright (C) 2002-2004, 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRTOIMAX], +[ + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + + dnl On OSF/1 5.1 with cc, this function is declared but not defined. + AC_CHECK_FUNCS_ONCE([strtoimax]) + AC_CHECK_DECLS_ONCE([strtoimax]) + if test "$ac_cv_have_decl_strtoimax" != yes; then + HAVE_DECL_STRTOIMAX=0 + fi + + if test $ac_cv_func_strtoimax = yes; then + HAVE_STRTOIMAX=1 + dnl On AIX 5.1, strtoimax() fails for values outside the 'int' range. + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether strtoimax works], [gl_cv_func_strtoimax], + [AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <errno.h> +#include <string.h> +#include <inttypes.h> +int main () +{ + if (sizeof (intmax_t) > sizeof (int)) + { + const char *s = "4294967295"; + char *p; + intmax_t res; + errno = 0; + res = strtoimax (s, &p, 10); + if (p != s + strlen (s)) + return 1; + if (errno != 0) + return 2; + if (res != (intmax_t) 65535 * (intmax_t) 65537) + return 3; + } + else + { + const char *s = "2147483647"; + char *p; + intmax_t res; + errno = 0; + res = strtoimax (s, &p, 10); + if (p != s + strlen (s)) + return 1; + if (errno != 0) + return 2; + if (res != 2147483647) + return 3; + } + return 0; +} +]])], + [gl_cv_func_strtoimax=yes], + [gl_cv_func_strtoimax=no], + [case "$host_os" in + # Guess no on AIX 5. + aix5*) gl_cv_func_strtoimax="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_strtoimax="guessing yes" ;; + esac + ]) + ]) + case "$gl_cv_func_strtoimax" in + *no) REPLACE_STRTOIMAX=1 ;; + esac + else + HAVE_STRTOIMAX=0 + fi +]) + +# Prerequisites of lib/strtoimax.c. +AC_DEFUN([gl_PREREQ_STRTOIMAX], [ + AC_CHECK_DECLS([strtoll]) + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) +]) diff --git a/m4/strtoll.m4 b/m4/strtoll.m4 new file mode 100644 index 00000000..5854bcb5 --- /dev/null +++ b/m4/strtoll.m4 @@ -0,0 +1,24 @@ +# strtoll.m4 serial 7 +dnl Copyright (C) 2002, 2004, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRTOLL], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + dnl We don't need (and can't compile) the replacement strtoll + dnl unless the type 'long long int' exists. + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + if test "$ac_cv_type_long_long_int" = yes; then + AC_CHECK_FUNCS([strtoll]) + if test $ac_cv_func_strtoll = no; then + HAVE_STRTOLL=0 + fi + fi +]) + +# Prerequisites of lib/strtoll.c. +AC_DEFUN([gl_PREREQ_STRTOLL], [ + : +]) diff --git a/m4/strtoull.m4 b/m4/strtoull.m4 new file mode 100644 index 00000000..7c659f57 --- /dev/null +++ b/m4/strtoull.m4 @@ -0,0 +1,24 @@ +# strtoull.m4 serial 7 +dnl Copyright (C) 2002, 2004, 2006, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRTOULL], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + dnl We don't need (and can't compile) the replacement strtoull + dnl unless the type 'unsigned long long int' exists. + AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) + if test "$ac_cv_type_unsigned_long_long_int" = yes; then + AC_CHECK_FUNCS([strtoull]) + if test $ac_cv_func_strtoull = no; then + HAVE_STRTOULL=0 + fi + fi +]) + +# Prerequisites of lib/strtoull.c. +AC_DEFUN([gl_PREREQ_STRTOULL], [ + : +]) diff --git a/m4/strtoumax.m4 b/m4/strtoumax.m4 new file mode 100644 index 00000000..5b2285c6 --- /dev/null +++ b/m4/strtoumax.m4 @@ -0,0 +1,23 @@ +# strtoumax.m4 serial 11 +dnl Copyright (C) 2002-2004, 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_STRTOUMAX], +[ + AC_REQUIRE([gl_INTTYPES_H_DEFAULTS]) + + dnl On OSF/1 5.1 with cc, this function is declared but not defined. + AC_CHECK_FUNCS_ONCE([strtoumax]) + AC_CHECK_DECLS_ONCE([strtoumax]) + if test "$ac_cv_have_decl_strtoumax" != yes; then + HAVE_DECL_STRTOUMAX=0 + fi +]) + +# Prerequisites of lib/strtoumax.c. +AC_DEFUN([gl_PREREQ_STRTOUMAX], [ + AC_CHECK_DECLS([strtoull]) + AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) +]) diff --git a/m4/symlink.m4 b/m4/symlink.m4 new file mode 100644 index 00000000..cfd90ec2 --- /dev/null +++ b/m4/symlink.m4 @@ -0,0 +1,53 @@ +# serial 6 +# See if we need to provide symlink replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_SYMLINK], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([symlink]) + dnl The best we can do on mingw is provide a dummy that always fails, so + dnl that compilation can proceed with fewer ifdefs. On FreeBSD 7.2, AIX 7.1, + dnl and Solaris 9, we want to fix a bug with trailing slash handling. + if test $ac_cv_func_symlink = no; then + HAVE_SYMLINK=0 + else + AC_CACHE_CHECK([whether symlink handles trailing slash correctly], + [gl_cv_func_symlink_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <unistd.h> + ]], + [[int result = 0; + if (!symlink ("a", "conftest.link/")) + result |= 1; + if (symlink ("conftest.f", "conftest.lnk2")) + result |= 2; + else if (!symlink ("a", "conftest.lnk2/")) + result |= 4; + return result; + ]])], + [gl_cv_func_symlink_works=yes], [gl_cv_func_symlink_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_symlink_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_symlink_works="guessing no" ;; + esac + ]) + rm -f conftest.f conftest.link conftest.lnk2]) + case "$gl_cv_func_symlink_works" in + *yes) ;; + *) + REPLACE_SYMLINK=1 + ;; + esac + fi +]) diff --git a/m4/symlinkat.m4 b/m4/symlinkat.m4 new file mode 100644 index 00000000..5b2713e7 --- /dev/null +++ b/m4/symlinkat.m4 @@ -0,0 +1,20 @@ +# serial 5 +# See if we need to provide symlinkat replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_SYMLINKAT], +[ + AC_REQUIRE([gl_FUNC_OPENAT]) + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([symlinkat]) + if test $ac_cv_func_symlinkat = no; then + HAVE_SYMLINKAT=0 + fi +]) diff --git a/m4/sys_ioctl_h.m4 b/m4/sys_ioctl_h.m4 new file mode 100644 index 00000000..94a26693 --- /dev/null +++ b/m4/sys_ioctl_h.m4 @@ -0,0 +1,64 @@ +# sys_ioctl_h.m4 serial 10 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Bruno Haible. + +AC_DEFUN([gl_SYS_IOCTL_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS]) + + AC_CHECK_HEADERS_ONCE([sys/ioctl.h]) + if test $ac_cv_header_sys_ioctl_h = yes; then + HAVE_SYS_IOCTL_H=1 + dnl Test whether <sys/ioctl.h> declares ioctl(), or whether some other + dnl header file, such as <unistd.h> or <stropts.h>, is needed for that. + AC_CACHE_CHECK([whether <sys/ioctl.h> declares ioctl], + [gl_cv_decl_ioctl_in_sys_ioctl_h], + [dnl We cannot use AC_CHECK_DECL because it produces its own messages. + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [AC_INCLUDES_DEFAULT([#include <sys/ioctl.h>])], + [(void) ioctl;])], + [gl_cv_decl_ioctl_in_sys_ioctl_h=yes], + [gl_cv_decl_ioctl_in_sys_ioctl_h=no]) + ]) + else + HAVE_SYS_IOCTL_H=0 + fi + AC_SUBST([HAVE_SYS_IOCTL_H]) + dnl <sys/ioctl.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/ioctl.h]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <sys/ioctl.h> +/* Some platforms declare ioctl in the wrong header. */ +#if !(defined __GLIBC__ && !defined __UCLIBC__) +# include <unistd.h> +#endif + ]], [ioctl]) +]) + +AC_DEFUN([gl_SYS_IOCTL_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_IOCTL_H_DEFAULTS], +[ + GNULIB_IOCTL=0; AC_SUBST([GNULIB_IOCTL]) + dnl Assume proper GNU behavior unless another module says otherwise. + SYS_IOCTL_H_HAVE_WINSOCK2_H=0; AC_SUBST([SYS_IOCTL_H_HAVE_WINSOCK2_H]) + SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0; + AC_SUBST([SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS]) + REPLACE_IOCTL=0; AC_SUBST([REPLACE_IOCTL]) +]) diff --git a/m4/sys_resource_h.m4 b/m4/sys_resource_h.m4 new file mode 100644 index 00000000..97286e4e --- /dev/null +++ b/m4/sys_resource_h.m4 @@ -0,0 +1,47 @@ +# sys_resource_h.m4 serial 2 +dnl Copyright (C) 2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_SYS_RESOURCE], +[ + AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS]) + dnl <sys/resource.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/resource.h]) + if test $ac_cv_header_sys_resource_h = yes; then + HAVE_SYS_RESOURCE_H=1 + else + HAVE_SYS_RESOURCE_H=0 + fi + AC_SUBST([HAVE_SYS_RESOURCE_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +#if HAVE_SYS_RESOURCE_H +/* At least FreeBSD 5.0 needs extra headers before <sys/resource.h> + will compile. */ +# include <sys/types.h> +# include <sys/time.h> +# include <sys/resource.h> +#endif + ]], + [getrusage]) +]) + +AC_DEFUN([gl_SYS_RESOURCE_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_RESOURCE_H_DEFAULTS], +[ + GNULIB_GETRUSAGE=0; AC_SUBST([GNULIB_GETRUSAGE]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_GETRUSAGE=1; AC_SUBST([HAVE_GETRUSAGE]) +]) diff --git a/m4/sys_select_h.m4 b/m4/sys_select_h.m4 new file mode 100644 index 00000000..eaf056a7 --- /dev/null +++ b/m4/sys_select_h.m4 @@ -0,0 +1,95 @@ +# sys_select_h.m4 serial 20 +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_SYS_SELECT], +[ + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS]) + AC_CACHE_CHECK([whether <sys/select.h> is self-contained], + [gl_cv_header_sys_select_h_selfcontained], + [ + dnl Test against two bugs: + dnl 1. On many platforms, <sys/select.h> assumes prior inclusion of + dnl <sys/types.h>. + dnl 2. On OSF/1 4.0, <sys/select.h> provides only a forward declaration + dnl of 'struct timeval', and no definition of this type. + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/select.h>]], + [[struct timeval b;]])], + [gl_cv_header_sys_select_h_selfcontained=yes], + [gl_cv_header_sys_select_h_selfcontained=no]) + dnl Test against another bug: + dnl 3. On Solaris 10, <sys/select.h> provides an FD_ZERO implementation + dnl that relies on memset(), but without including <string.h>. + if test $gl_cv_header_sys_select_h_selfcontained = yes; then + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <sys/select.h>]], + [[int memset; int bzero;]]) + ], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[#include <sys/select.h>]], [[ + #undef memset + #define memset nonexistent_memset + extern + #ifdef __cplusplus + "C" + #endif + void *memset (void *, int, unsigned long); + #undef bzero + #define bzero nonexistent_bzero + extern + #ifdef __cplusplus + "C" + #endif + void bzero (void *, unsigned long); + fd_set fds; + FD_ZERO (&fds); + ]]) + ], + [], + [gl_cv_header_sys_select_h_selfcontained=no]) + ]) + fi + ]) + dnl <sys/select.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/select.h]) + if test $ac_cv_header_sys_select_h = yes; then + HAVE_SYS_SELECT_H=1 + else + HAVE_SYS_SELECT_H=0 + fi + AC_SUBST([HAVE_SYS_SELECT_H]) + gl_PREREQ_SYS_H_WINSOCK2 + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +/* Some systems require prerequisite headers. */ +#include <sys/types.h> +#if !(defined __GLIBC__ && !defined __UCLIBC__) && HAVE_SYS_TIME_H +# include <sys/time.h> +#endif +#include <sys/select.h> + ]], [pselect select]) +]) + +AC_DEFUN([gl_SYS_SELECT_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_SELECT_H_DEFAULTS], +[ + GNULIB_PSELECT=0; AC_SUBST([GNULIB_PSELECT]) + GNULIB_SELECT=0; AC_SUBST([GNULIB_SELECT]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_PSELECT=1; AC_SUBST([HAVE_PSELECT]) + REPLACE_PSELECT=0; AC_SUBST([REPLACE_PSELECT]) + REPLACE_SELECT=0; AC_SUBST([REPLACE_SELECT]) +]) diff --git a/m4/sys_socket_h.m4 b/m4/sys_socket_h.m4 new file mode 100644 index 00000000..8d4e7e1e --- /dev/null +++ b/m4/sys_socket_h.m4 @@ -0,0 +1,177 @@ +# sys_socket_h.m4 serial 22 +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Simon Josefsson. + +AC_DEFUN([gl_HEADER_SYS_SOCKET], +[ + AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_C_INLINE]) + + dnl On OSF/1, the functions recv(), send(), recvfrom(), sendto() have + dnl old-style declarations (with return type 'int' instead of 'ssize_t') + dnl unless _POSIX_PII_SOCKET is defined. + case "$host_os" in + osf*) + AC_DEFINE([_POSIX_PII_SOCKET], [1], + [Define to 1 in order to get the POSIX compatible declarations + of socket functions.]) + ;; + esac + + AC_CACHE_CHECK([whether <sys/socket.h> is self-contained], + [gl_cv_header_sys_socket_h_selfcontained], + [ + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]], [[]])], + [gl_cv_header_sys_socket_h_selfcontained=yes], + [gl_cv_header_sys_socket_h_selfcontained=no]) + ]) + if test $gl_cv_header_sys_socket_h_selfcontained = yes; then + dnl If the shutdown function exists, <sys/socket.h> should define + dnl SHUT_RD, SHUT_WR, SHUT_RDWR. + AC_CHECK_FUNCS([shutdown]) + if test $ac_cv_func_shutdown = yes; then + AC_CACHE_CHECK([whether <sys/socket.h> defines the SHUT_* macros], + [gl_cv_header_sys_socket_h_shut], + [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <sys/socket.h>]], + [[int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };]])], + [gl_cv_header_sys_socket_h_shut=yes], + [gl_cv_header_sys_socket_h_shut=no]) + ]) + if test $gl_cv_header_sys_socket_h_shut = no; then + SYS_SOCKET_H='sys/socket.h' + fi + fi + fi + # We need to check for ws2tcpip.h now. + gl_PREREQ_SYS_H_SOCKET + AC_CHECK_TYPES([struct sockaddr_storage, sa_family_t],,,[ + /* sys/types.h is not needed according to POSIX, but the + sys/socket.h in i386-unknown-freebsd4.10 and + powerpc-apple-darwin5.5 required it. */ +#include <sys/types.h> +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_WS2TCPIP_H +#include <ws2tcpip.h> +#endif +]) + if test $ac_cv_type_struct_sockaddr_storage = no; then + HAVE_STRUCT_SOCKADDR_STORAGE=0 + fi + if test $ac_cv_type_sa_family_t = no; then + HAVE_SA_FAMILY_T=0 + fi + if test $ac_cv_type_struct_sockaddr_storage != no; then + AC_CHECK_MEMBERS([struct sockaddr_storage.ss_family], + [], + [HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=0], + [#include <sys/types.h> + #ifdef HAVE_SYS_SOCKET_H + #include <sys/socket.h> + #endif + #ifdef HAVE_WS2TCPIP_H + #include <ws2tcpip.h> + #endif + ]) + fi + if test $HAVE_STRUCT_SOCKADDR_STORAGE = 0 || test $HAVE_SA_FAMILY_T = 0 \ + || test $HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = 0; then + SYS_SOCKET_H='sys/socket.h' + fi + gl_PREREQ_SYS_H_WINSOCK2 + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +/* Some systems require prerequisite headers. */ +#include <sys/types.h> +#include <sys/socket.h> + ]], [socket connect accept bind getpeername getsockname getsockopt + listen recv send recvfrom sendto setsockopt shutdown accept4]) +]) + +AC_DEFUN([gl_PREREQ_SYS_H_SOCKET], +[ + dnl Check prerequisites of the <sys/socket.h> replacement. + AC_REQUIRE([gl_CHECK_SOCKET_HEADERS]) + gl_CHECK_NEXT_HEADERS([sys/socket.h]) + if test $ac_cv_header_sys_socket_h = yes; then + HAVE_SYS_SOCKET_H=1 + HAVE_WS2TCPIP_H=0 + else + HAVE_SYS_SOCKET_H=0 + if test $ac_cv_header_ws2tcpip_h = yes; then + HAVE_WS2TCPIP_H=1 + else + HAVE_WS2TCPIP_H=0 + fi + fi + AC_SUBST([HAVE_SYS_SOCKET_H]) + AC_SUBST([HAVE_WS2TCPIP_H]) +]) + +# Common prerequisites of the <sys/socket.h> replacement and of the +# <sys/select.h> replacement. +# Sets and substitutes HAVE_WINSOCK2_H. +AC_DEFUN([gl_PREREQ_SYS_H_WINSOCK2], +[ + m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])]) + m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])]) + AC_CHECK_HEADERS_ONCE([sys/socket.h]) + if test $ac_cv_header_sys_socket_h != yes; then + dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make + dnl the check for those headers unconditional; yet cygwin reports + dnl that the headers are present but cannot be compiled (since on + dnl cygwin, all socket information should come from sys/socket.h). + AC_CHECK_HEADERS([winsock2.h]) + fi + if test "$ac_cv_header_winsock2_h" = yes; then + HAVE_WINSOCK2_H=1 + UNISTD_H_HAVE_WINSOCK2_H=1 + SYS_IOCTL_H_HAVE_WINSOCK2_H=1 + else + HAVE_WINSOCK2_H=0 + fi + AC_SUBST([HAVE_WINSOCK2_H]) +]) + +AC_DEFUN([gl_SYS_SOCKET_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_SOCKET_H_DEFAULTS], +[ + GNULIB_SOCKET=0; AC_SUBST([GNULIB_SOCKET]) + GNULIB_CONNECT=0; AC_SUBST([GNULIB_CONNECT]) + GNULIB_ACCEPT=0; AC_SUBST([GNULIB_ACCEPT]) + GNULIB_BIND=0; AC_SUBST([GNULIB_BIND]) + GNULIB_GETPEERNAME=0; AC_SUBST([GNULIB_GETPEERNAME]) + GNULIB_GETSOCKNAME=0; AC_SUBST([GNULIB_GETSOCKNAME]) + GNULIB_GETSOCKOPT=0; AC_SUBST([GNULIB_GETSOCKOPT]) + GNULIB_LISTEN=0; AC_SUBST([GNULIB_LISTEN]) + GNULIB_RECV=0; AC_SUBST([GNULIB_RECV]) + GNULIB_SEND=0; AC_SUBST([GNULIB_SEND]) + GNULIB_RECVFROM=0; AC_SUBST([GNULIB_RECVFROM]) + GNULIB_SENDTO=0; AC_SUBST([GNULIB_SENDTO]) + GNULIB_SETSOCKOPT=0; AC_SUBST([GNULIB_SETSOCKOPT]) + GNULIB_SHUTDOWN=0; AC_SUBST([GNULIB_SHUTDOWN]) + GNULIB_ACCEPT4=0; AC_SUBST([GNULIB_ACCEPT4]) + HAVE_STRUCT_SOCKADDR_STORAGE=1; AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE]) + HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY=1; + AC_SUBST([HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY]) + HAVE_SA_FAMILY_T=1; AC_SUBST([HAVE_SA_FAMILY_T]) + HAVE_ACCEPT4=1; AC_SUBST([HAVE_ACCEPT4]) +]) diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4 new file mode 100644 index 00000000..f45dee1d --- /dev/null +++ b/m4/sys_stat_h.m4 @@ -0,0 +1,99 @@ +# sys_stat_h.m4 serial 27 -*- Autoconf -*- +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Eric Blake. +dnl Provide a GNU-like <sys/stat.h>. + +AC_DEFUN([gl_HEADER_SYS_STAT_H], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + + dnl For the mkdir substitute. + AC_REQUIRE([AC_C_INLINE]) + + dnl Check for broken stat macros. + AC_REQUIRE([AC_HEADER_STAT]) + + gl_CHECK_NEXT_HEADERS([sys/stat.h]) + + dnl Ensure the type mode_t gets defined. + AC_REQUIRE([AC_TYPE_MODE_T]) + + dnl Whether to override 'struct stat'. + m4_ifdef([gl_LARGEFILE], [ + AC_REQUIRE([gl_LARGEFILE]) + ], [ + WINDOWS_64_BIT_ST_SIZE=0 + ]) + AC_SUBST([WINDOWS_64_BIT_ST_SIZE]) + if test $WINDOWS_64_BIT_ST_SIZE = 1; then + AC_DEFINE([_GL_WINDOWS_64_BIT_ST_SIZE], [1], + [Define to 1 if Gnulib overrides 'struct stat' on Windows so that + struct stat.st_size becomes 64-bit.]) + fi + + dnl Define types that are supposed to be defined in <sys/types.h> or + dnl <sys/stat.h>. + AC_CHECK_TYPE([nlink_t], [], + [AC_DEFINE([nlink_t], [int], + [Define to the type of st_nlink in struct stat, or a supertype.])], + [#include <sys/types.h> + #include <sys/stat.h>]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h> + ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat + mknod mknodat stat utimensat]) +]) # gl_HEADER_SYS_STAT_H + +AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_STAT_H_DEFAULTS], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR + GNULIB_FCHMODAT=0; AC_SUBST([GNULIB_FCHMODAT]) + GNULIB_FSTAT=0; AC_SUBST([GNULIB_FSTAT]) + GNULIB_FSTATAT=0; AC_SUBST([GNULIB_FSTATAT]) + GNULIB_FUTIMENS=0; AC_SUBST([GNULIB_FUTIMENS]) + GNULIB_LCHMOD=0; AC_SUBST([GNULIB_LCHMOD]) + GNULIB_LSTAT=0; AC_SUBST([GNULIB_LSTAT]) + GNULIB_MKDIRAT=0; AC_SUBST([GNULIB_MKDIRAT]) + GNULIB_MKFIFO=0; AC_SUBST([GNULIB_MKFIFO]) + GNULIB_MKFIFOAT=0; AC_SUBST([GNULIB_MKFIFOAT]) + GNULIB_MKNOD=0; AC_SUBST([GNULIB_MKNOD]) + GNULIB_MKNODAT=0; AC_SUBST([GNULIB_MKNODAT]) + GNULIB_STAT=0; AC_SUBST([GNULIB_STAT]) + GNULIB_UTIMENSAT=0; AC_SUBST([GNULIB_UTIMENSAT]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_FCHMODAT=1; AC_SUBST([HAVE_FCHMODAT]) + HAVE_FSTATAT=1; AC_SUBST([HAVE_FSTATAT]) + HAVE_FUTIMENS=1; AC_SUBST([HAVE_FUTIMENS]) + HAVE_LCHMOD=1; AC_SUBST([HAVE_LCHMOD]) + HAVE_LSTAT=1; AC_SUBST([HAVE_LSTAT]) + HAVE_MKDIRAT=1; AC_SUBST([HAVE_MKDIRAT]) + HAVE_MKFIFO=1; AC_SUBST([HAVE_MKFIFO]) + HAVE_MKFIFOAT=1; AC_SUBST([HAVE_MKFIFOAT]) + HAVE_MKNOD=1; AC_SUBST([HAVE_MKNOD]) + HAVE_MKNODAT=1; AC_SUBST([HAVE_MKNODAT]) + HAVE_UTIMENSAT=1; AC_SUBST([HAVE_UTIMENSAT]) + REPLACE_FSTAT=0; AC_SUBST([REPLACE_FSTAT]) + REPLACE_FSTATAT=0; AC_SUBST([REPLACE_FSTATAT]) + REPLACE_FUTIMENS=0; AC_SUBST([REPLACE_FUTIMENS]) + REPLACE_LSTAT=0; AC_SUBST([REPLACE_LSTAT]) + REPLACE_MKDIR=0; AC_SUBST([REPLACE_MKDIR]) + REPLACE_MKFIFO=0; AC_SUBST([REPLACE_MKFIFO]) + REPLACE_MKNOD=0; AC_SUBST([REPLACE_MKNOD]) + REPLACE_STAT=0; AC_SUBST([REPLACE_STAT]) + REPLACE_UTIMENSAT=0; AC_SUBST([REPLACE_UTIMENSAT]) +]) diff --git a/m4/sys_time_h.m4 b/m4/sys_time_h.m4 new file mode 100644 index 00000000..26eaf8ea --- /dev/null +++ b/m4/sys_time_h.m4 @@ -0,0 +1,106 @@ +# Configure a replacement for <sys/time.h>. +# serial 8 + +# Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert and Martin Lambers. + +AC_DEFUN([gl_HEADER_SYS_TIME_H], +[ + dnl Use AC_REQUIRE here, so that the REPLACE_GETTIMEOFDAY=0 statement + dnl below is expanded once only, before all REPLACE_GETTIMEOFDAY=1 + dnl statements that occur in other macros. + AC_REQUIRE([gl_HEADER_SYS_TIME_H_BODY]) +]) + +AC_DEFUN([gl_HEADER_SYS_TIME_H_BODY], +[ + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS]) + AC_CHECK_HEADERS_ONCE([sys/time.h]) + gl_CHECK_NEXT_HEADERS([sys/time.h]) + + if test $ac_cv_header_sys_time_h != yes; then + HAVE_SYS_TIME_H=0 + fi + + dnl On native Windows with MSVC, 'struct timeval' is defined in <winsock2.h> + dnl only. So include that header in the list. + gl_PREREQ_SYS_H_WINSOCK2 + AC_CACHE_CHECK([for struct timeval], [gl_cv_sys_struct_timeval], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#if HAVE_SYS_TIME_H + #include <sys/time.h> + #endif + #include <time.h> + #if HAVE_WINSOCK2_H + # include <winsock2.h> + #endif + ]], + [[static struct timeval x; x.tv_sec = x.tv_usec;]])], + [gl_cv_sys_struct_timeval=yes], + [gl_cv_sys_struct_timeval=no]) + ]) + if test $gl_cv_sys_struct_timeval != yes; then + HAVE_STRUCT_TIMEVAL=0 + else + dnl On native Windows with a 64-bit 'time_t', 'struct timeval' is defined + dnl (in <sys/time.h> and <winsock2.h> for mingw64, in <winsock2.h> only + dnl for MSVC) with a tv_sec field of type 'long' (32-bit!), which is + dnl smaller than the 'time_t' type mandated by POSIX. + AC_CACHE_CHECK([for correct struct timeval.tv_sec member], + [gl_cv_sys_struct_timeval_tv_sec], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#if HAVE_SYS_TIME_H + #include <sys/time.h> + #endif + #include <time.h> + #if HAVE_WINSOCK2_H + # include <winsock2.h> + #endif + ]], + [[static struct timeval x; + typedef int verify_tv_sec_type[sizeof (x.tv_sec) == sizeof (time_t) ? 1 : -1]; + ]])], + [gl_cv_sys_struct_timeval_tv_sec=yes], + [gl_cv_sys_struct_timeval_tv_sec=no]) + ]) + if test $gl_cv_sys_struct_timeval_tv_sec != yes; then + REPLACE_STRUCT_TIMEVAL=1 + fi + fi + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +#if HAVE_SYS_TIME_H +# include <sys/time.h> +#endif +#include <time.h> + ]], [gettimeofday]) +]) + +AC_DEFUN([gl_SYS_TIME_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_HEADER_SYS_TIME_H_DEFAULTS], +[ + GNULIB_GETTIMEOFDAY=0; AC_SUBST([GNULIB_GETTIMEOFDAY]) + dnl Assume POSIX behavior unless another module says otherwise. + HAVE_GETTIMEOFDAY=1; AC_SUBST([HAVE_GETTIMEOFDAY]) + HAVE_STRUCT_TIMEVAL=1; AC_SUBST([HAVE_STRUCT_TIMEVAL]) + HAVE_SYS_TIME_H=1; AC_SUBST([HAVE_SYS_TIME_H]) + REPLACE_GETTIMEOFDAY=0; AC_SUBST([REPLACE_GETTIMEOFDAY]) + REPLACE_STRUCT_TIMEVAL=0; AC_SUBST([REPLACE_STRUCT_TIMEVAL]) +]) diff --git a/m4/sys_types_h.m4 b/m4/sys_types_h.m4 new file mode 100644 index 00000000..f11eef2f --- /dev/null +++ b/m4/sys_types_h.m4 @@ -0,0 +1,24 @@ +# sys_types_h.m4 serial 4 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SYS_TYPES_H], +[ + AC_REQUIRE([gl_SYS_TYPES_H_DEFAULTS]) + gl_NEXT_HEADERS([sys/types.h]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Ensure the type mode_t gets defined. + AC_REQUIRE([AC_TYPE_MODE_T]) + + dnl Whether to override the 'off_t' type. + AC_REQUIRE([gl_TYPE_OFF_T]) +]) + +AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS], +[ +]) diff --git a/m4/sys_uio_h.m4 b/m4/sys_uio_h.m4 new file mode 100644 index 00000000..ddf844b7 --- /dev/null +++ b/m4/sys_uio_h.m4 @@ -0,0 +1,31 @@ +# sys_uio_h.m4 serial 1 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_SYS_UIO], +[ + AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) + dnl <sys/uio.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/uio.h]) + if test $ac_cv_header_sys_uio_h = yes; then + HAVE_SYS_UIO_H=1 + else + HAVE_SYS_UIO_H=0 + fi + AC_SUBST([HAVE_SYS_UIO_H]) +]) + +AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_UIO_H_DEFAULTS], +[ +]) diff --git a/m4/sys_utsname_h.m4 b/m4/sys_utsname_h.m4 new file mode 100644 index 00000000..e86d3c2c --- /dev/null +++ b/m4/sys_utsname_h.m4 @@ -0,0 +1,54 @@ +# sys_utsname_h.m4 serial 8 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Bruno Haible. + +AC_DEFUN([gl_SYS_UTSNAME_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_SYS_UTSNAME_H_DEFAULTS]) + + dnl <sys/utsname.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/utsname.h]) + if test $ac_cv_header_sys_utsname_h != yes; then + HAVE_SYS_UTSNAME_H=0 + HAVE_STRUCT_UTSNAME=0 + else + HAVE_SYS_UTSNAME_H=1 + AC_CHECK_TYPES([struct utsname], [], [HAVE_STRUCT_UTSNAME=0], [[ +/* Minix 3.1.8 has a bug: <stddef.h> must be included before + <sys/utsname.h>. */ +#include <stddef.h> +#include <sys/utsname.h> + ]]) + fi + AC_SUBST([HAVE_SYS_UTSNAME_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ + /* Minix 3.1.8 has a bug: <stddef.h> must be included before + <sys/utsname.h>. */ + #include <stddef.h> + #include <sys/utsname.h> + ]], [uname]) +]) + +AC_DEFUN([gl_SYS_UTSNAME_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_UTSNAME_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_SYS_UTSNAME_H_DEFAULTS], +[ + GNULIB_UNAME=0; AC_SUBST([GNULIB_UNAME]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_UNAME=1; AC_SUBST([HAVE_UNAME]) + HAVE_STRUCT_UTSNAME=1; AC_SUBST([HAVE_STRUCT_UTSNAME]) +]) diff --git a/m4/sys_wait_h.m4 b/m4/sys_wait_h.m4 new file mode 100644 index 00000000..c0bba864 --- /dev/null +++ b/m4/sys_wait_h.m4 @@ -0,0 +1,36 @@ +# sys_wait_h.m4 serial 6 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SYS_WAIT_H], +[ + AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS]) + + dnl <sys/wait.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/wait.h]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <sys/wait.h>]], + [waitpid]) +]) + +AC_DEFUN([gl_SYS_WAIT_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_SYS_WAIT_H_DEFAULTS], +[ + GNULIB_WAITPID=0; AC_SUBST([GNULIB_WAITPID]) + dnl Assume proper GNU behavior unless another module says otherwise. +]) diff --git a/m4/tempname.m4 b/m4/tempname.m4 new file mode 100644 index 00000000..20ad78bc --- /dev/null +++ b/m4/tempname.m4 @@ -0,0 +1,19 @@ +#serial 5 + +# Copyright (C) 2006-2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# glibc provides __gen_tempname as a wrapper for mk[ds]temp. Expose +# it as a public API, and provide it on systems that are lacking. +AC_DEFUN([gl_FUNC_GEN_TEMPNAME], +[ + gl_PREREQ_TEMPNAME +]) + +# Prerequisites of lib/tempname.c. +AC_DEFUN([gl_PREREQ_TEMPNAME], +[ + : +]) diff --git a/m4/termios_h.m4 b/m4/termios_h.m4 new file mode 100644 index 00000000..285d554f --- /dev/null +++ b/m4/termios_h.m4 @@ -0,0 +1,43 @@ +# termios_h.m4 serial 4 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_TERMIOS_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_TERMIOS_H_DEFAULTS]) + + gl_CHECK_NEXT_HEADERS([termios.h]) + if test $ac_cv_header_termios_h != yes; then + HAVE_TERMIOS_H=0 + fi + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, and which is not + dnl guaranteed by C89. + gl_WARN_ON_USE_PREPARE([[#include <termios.h>]], + [tcgetsid]) +]) + +AC_DEFUN([gl_TERMIOS_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_TERMIOS_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_TERMIOS_H_DEFAULTS], +[ + GNULIB_TCGETSID=0; AC_SUBST([GNULIB_TCGETSID]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_TCGETSID=1; AC_SUBST([HAVE_DECL_TCGETSID]) + HAVE_TERMIOS_H=1; AC_SUBST([HAVE_TERMIOS_H]) +]) diff --git a/m4/thread.m4 b/m4/thread.m4 new file mode 100644 index 00000000..cd66c3e9 --- /dev/null +++ b/m4/thread.m4 @@ -0,0 +1,18 @@ +# thread.m4 serial 2 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_THREAD], +[ + AC_REQUIRE([gl_THREADLIB]) + AC_REQUIRE([AC_C_INLINE]) + + if test $gl_threads_api = posix; then + gl_save_LIBS="$LIBS" + LIBS="$LIBS $LIBMULTITHREAD" + AC_CHECK_FUNCS([pthread_atfork]) + LIBS="$gl_save_LIBS" + fi +]) diff --git a/m4/threadlib.m4 b/m4/threadlib.m4 new file mode 100644 index 00000000..9cedb670 --- /dev/null +++ b/m4/threadlib.m4 @@ -0,0 +1,371 @@ +# threadlib.m4 serial 9 (gettext-0.18.2) +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl gl_THREADLIB +dnl ------------ +dnl Tests for a multithreading library to be used. +dnl If the configure.ac contains a definition of the gl_THREADLIB_DEFAULT_NO +dnl (it must be placed before the invocation of gl_THREADLIB_EARLY!), then the +dnl default is 'no', otherwise it is system dependent. In both cases, the user +dnl can change the choice through the options --enable-threads=choice or +dnl --disable-threads. +dnl Defines at most one of the macros USE_POSIX_THREADS, USE_SOLARIS_THREADS, +dnl USE_PTH_THREADS, USE_WINDOWS_THREADS +dnl Sets the variables LIBTHREAD and LTLIBTHREAD to the linker options for use +dnl in a Makefile (LIBTHREAD for use without libtool, LTLIBTHREAD for use with +dnl libtool). +dnl Sets the variables LIBMULTITHREAD and LTLIBMULTITHREAD similarly, for +dnl programs that really need multithread functionality. The difference +dnl between LIBTHREAD and LIBMULTITHREAD is that on platforms supporting weak +dnl symbols, typically LIBTHREAD="" whereas LIBMULTITHREAD="-lpthread". +dnl Adds to CPPFLAGS the flag -D_REENTRANT or -D_THREAD_SAFE if needed for +dnl multithread-safe programs. + +AC_DEFUN([gl_THREADLIB_EARLY], +[ + AC_REQUIRE([gl_THREADLIB_EARLY_BODY]) +]) + +dnl The guts of gl_THREADLIB_EARLY. Needs to be expanded only once. + +AC_DEFUN([gl_THREADLIB_EARLY_BODY], +[ + dnl Ordering constraints: This macro modifies CPPFLAGS in a way that + dnl influences the result of the autoconf tests that test for *_unlocked + dnl declarations, on AIX 5 at least. Therefore it must come early. + AC_BEFORE([$0], [gl_FUNC_GLIBC_UNLOCKED_IO])dnl + AC_BEFORE([$0], [gl_ARGP])dnl + + AC_REQUIRE([AC_CANONICAL_HOST]) + dnl _GNU_SOURCE is needed for pthread_rwlock_t on glibc systems. + dnl AC_USE_SYSTEM_EXTENSIONS was introduced in autoconf 2.60 and obsoletes + dnl AC_GNU_SOURCE. + m4_ifdef([AC_USE_SYSTEM_EXTENSIONS], + [AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])], + [AC_REQUIRE([AC_GNU_SOURCE])]) + dnl Check for multithreading. + m4_ifdef([gl_THREADLIB_DEFAULT_NO], + [m4_divert_text([DEFAULTS], [gl_use_threads_default=no])], + [m4_divert_text([DEFAULTS], [gl_use_threads_default=])]) + AC_ARG_ENABLE([threads], +AC_HELP_STRING([--enable-threads={posix|solaris|pth|windows}], [specify multithreading API])m4_ifdef([gl_THREADLIB_DEFAULT_NO], [], [ +AC_HELP_STRING([--disable-threads], [build without multithread safety])]), + [gl_use_threads=$enableval], + [if test -n "$gl_use_threads_default"; then + gl_use_threads="$gl_use_threads_default" + else +changequote(,)dnl + case "$host_os" in + dnl Disable multithreading by default on OSF/1, because it interferes + dnl with fork()/exec(): When msgexec is linked with -lpthread, its + dnl child process gets an endless segmentation fault inside execvp(). + dnl Disable multithreading by default on Cygwin 1.5.x, because it has + dnl bugs that lead to endless loops or crashes. See + dnl <http://cygwin.com/ml/cygwin/2009-08/msg00283.html>. + osf*) gl_use_threads=no ;; + cygwin*) + case `uname -r` in + 1.[0-5].*) gl_use_threads=no ;; + *) gl_use_threads=yes ;; + esac + ;; + *) gl_use_threads=yes ;; + esac +changequote([,])dnl + fi + ]) + if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then + # For using <pthread.h>: + case "$host_os" in + osf*) + # On OSF/1, the compiler needs the flag -D_REENTRANT so that it + # groks <pthread.h>. cc also understands the flag -pthread, but + # we don't use it because 1. gcc-2.95 doesn't understand -pthread, + # 2. putting a flag into CPPFLAGS that has an effect on the linker + # causes the AC_LINK_IFELSE test below to succeed unexpectedly, + # leading to wrong values of LIBTHREAD and LTLIBTHREAD. + CPPFLAGS="$CPPFLAGS -D_REENTRANT" + ;; + esac + # Some systems optimize for single-threaded programs by default, and + # need special flags to disable these optimizations. For example, the + # definition of 'errno' in <errno.h>. + case "$host_os" in + aix* | freebsd*) CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE" ;; + solaris*) CPPFLAGS="$CPPFLAGS -D_REENTRANT" ;; + esac + fi +]) + +dnl The guts of gl_THREADLIB. Needs to be expanded only once. + +AC_DEFUN([gl_THREADLIB_BODY], +[ + AC_REQUIRE([gl_THREADLIB_EARLY_BODY]) + gl_threads_api=none + LIBTHREAD= + LTLIBTHREAD= + LIBMULTITHREAD= + LTLIBMULTITHREAD= + if test "$gl_use_threads" != no; then + dnl Check whether the compiler and linker support weak declarations. + AC_CACHE_CHECK([whether imported symbols can be declared weak], + [gl_cv_have_weak], + [gl_cv_have_weak=no + dnl First, test whether the compiler accepts it syntactically. + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[extern void xyzzy (); +#pragma weak xyzzy]], + [[xyzzy();]])], + [gl_cv_have_weak=maybe]) + if test $gl_cv_have_weak = maybe; then + dnl Second, test whether it actually works. On Cygwin 1.7.2, with + dnl gcc 4.3, symbols declared weak always evaluate to the address 0. + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <stdio.h> +#pragma weak fputs +int main () +{ + return (fputs == NULL); +}]])], + [gl_cv_have_weak=yes], + [gl_cv_have_weak=no], + [dnl When cross-compiling, assume that only ELF platforms support + dnl weak symbols. + AC_EGREP_CPP([Extensible Linking Format], + [#ifdef __ELF__ + Extensible Linking Format + #endif + ], + [gl_cv_have_weak="guessing yes"], + [gl_cv_have_weak="guessing no"]) + ]) + fi + ]) + if test "$gl_use_threads" = yes || test "$gl_use_threads" = posix; then + # On OSF/1, the compiler needs the flag -pthread or -D_REENTRANT so that + # it groks <pthread.h>. It's added above, in gl_THREADLIB_EARLY_BODY. + AC_CHECK_HEADER([pthread.h], + [gl_have_pthread_h=yes], [gl_have_pthread_h=no]) + if test "$gl_have_pthread_h" = yes; then + # Other possible tests: + # -lpthreads (FSU threads, PCthreads) + # -lgthreads + gl_have_pthread= + # Test whether both pthread_mutex_lock and pthread_mutexattr_init exist + # in libc. IRIX 6.5 has the first one in both libc and libpthread, but + # the second one only in libpthread, and lock.c needs it. + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h>]], + [[pthread_mutex_lock((pthread_mutex_t*)0); + pthread_mutexattr_init((pthread_mutexattr_t*)0);]])], + [gl_have_pthread=yes]) + # Test for libpthread by looking for pthread_kill. (Not pthread_self, + # since it is defined as a macro on OSF/1.) + if test -n "$gl_have_pthread"; then + # The program links fine without libpthread. But it may actually + # need to link with libpthread in order to create multiple threads. + AC_CHECK_LIB([pthread], [pthread_kill], + [LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread + # On Solaris and HP-UX, most pthread functions exist also in libc. + # Therefore pthread_in_use() needs to actually try to create a + # thread: pthread_create from libc will fail, whereas + # pthread_create will actually create a thread. + case "$host_os" in + solaris* | hpux*) + AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], [1], + [Define if the pthread_in_use() detection is hard.]) + esac + ]) + else + # Some library is needed. Try libpthread and libc_r. + AC_CHECK_LIB([pthread], [pthread_kill], + [gl_have_pthread=yes + LIBTHREAD=-lpthread LTLIBTHREAD=-lpthread + LIBMULTITHREAD=-lpthread LTLIBMULTITHREAD=-lpthread]) + if test -z "$gl_have_pthread"; then + # For FreeBSD 4. + AC_CHECK_LIB([c_r], [pthread_kill], + [gl_have_pthread=yes + LIBTHREAD=-lc_r LTLIBTHREAD=-lc_r + LIBMULTITHREAD=-lc_r LTLIBMULTITHREAD=-lc_r]) + fi + fi + if test -n "$gl_have_pthread"; then + gl_threads_api=posix + AC_DEFINE([USE_POSIX_THREADS], [1], + [Define if the POSIX multithreading library can be used.]) + if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then + if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then + AC_DEFINE([USE_POSIX_THREADS_WEAK], [1], + [Define if references to the POSIX multithreading library should be made weak.]) + LIBTHREAD= + LTLIBTHREAD= + fi + fi + fi + fi + fi + if test -z "$gl_have_pthread"; then + if test "$gl_use_threads" = yes || test "$gl_use_threads" = solaris; then + gl_have_solaristhread= + gl_save_LIBS="$LIBS" + LIBS="$LIBS -lthread" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <thread.h> +#include <synch.h> + ]], + [[thr_self();]])], + [gl_have_solaristhread=yes]) + LIBS="$gl_save_LIBS" + if test -n "$gl_have_solaristhread"; then + gl_threads_api=solaris + LIBTHREAD=-lthread + LTLIBTHREAD=-lthread + LIBMULTITHREAD="$LIBTHREAD" + LTLIBMULTITHREAD="$LTLIBTHREAD" + AC_DEFINE([USE_SOLARIS_THREADS], [1], + [Define if the old Solaris multithreading library can be used.]) + if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then + AC_DEFINE([USE_SOLARIS_THREADS_WEAK], [1], + [Define if references to the old Solaris multithreading library should be made weak.]) + LIBTHREAD= + LTLIBTHREAD= + fi + fi + fi + fi + if test "$gl_use_threads" = pth; then + gl_save_CPPFLAGS="$CPPFLAGS" + AC_LIB_LINKFLAGS([pth]) + gl_have_pth= + gl_save_LIBS="$LIBS" + LIBS="$LIBS $LIBPTH" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[#include <pth.h>]], [[pth_self();]])], + [gl_have_pth=yes]) + LIBS="$gl_save_LIBS" + if test -n "$gl_have_pth"; then + gl_threads_api=pth + LIBTHREAD="$LIBPTH" + LTLIBTHREAD="$LTLIBPTH" + LIBMULTITHREAD="$LIBTHREAD" + LTLIBMULTITHREAD="$LTLIBTHREAD" + AC_DEFINE([USE_PTH_THREADS], [1], + [Define if the GNU Pth multithreading library can be used.]) + if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then + if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then + AC_DEFINE([USE_PTH_THREADS_WEAK], [1], + [Define if references to the GNU Pth multithreading library should be made weak.]) + LIBTHREAD= + LTLIBTHREAD= + fi + fi + else + CPPFLAGS="$gl_save_CPPFLAGS" + fi + fi + if test -z "$gl_have_pthread"; then + case "$gl_use_threads" in + yes | windows | win32) # The 'win32' is for backward compatibility. + if { case "$host_os" in + mingw*) true;; + *) false;; + esac + }; then + gl_threads_api=windows + AC_DEFINE([USE_WINDOWS_THREADS], [1], + [Define if the native Windows multithreading API can be used.]) + fi + ;; + esac + fi + fi + AC_MSG_CHECKING([for multithread API to use]) + AC_MSG_RESULT([$gl_threads_api]) + AC_SUBST([LIBTHREAD]) + AC_SUBST([LTLIBTHREAD]) + AC_SUBST([LIBMULTITHREAD]) + AC_SUBST([LTLIBMULTITHREAD]) +]) + +AC_DEFUN([gl_THREADLIB], +[ + AC_REQUIRE([gl_THREADLIB_EARLY]) + AC_REQUIRE([gl_THREADLIB_BODY]) +]) + + +dnl gl_DISABLE_THREADS +dnl ------------------ +dnl Sets the gl_THREADLIB default so that threads are not used by default. +dnl The user can still override it at installation time, by using the +dnl configure option '--enable-threads'. + +AC_DEFUN([gl_DISABLE_THREADS], [ + m4_divert_text([INIT_PREPARE], [gl_use_threads_default=no]) +]) + + +dnl Survey of platforms: +dnl +dnl Platform Available Compiler Supports test-lock +dnl flavours option weak result +dnl --------------- --------- --------- -------- --------- +dnl Linux 2.4/glibc posix -lpthread Y OK +dnl +dnl GNU Hurd/glibc posix +dnl +dnl FreeBSD 5.3 posix -lc_r Y +dnl posix -lkse ? Y +dnl posix -lpthread ? Y +dnl posix -lthr Y +dnl +dnl FreeBSD 5.2 posix -lc_r Y +dnl posix -lkse Y +dnl posix -lthr Y +dnl +dnl FreeBSD 4.0,4.10 posix -lc_r Y OK +dnl +dnl NetBSD 1.6 -- +dnl +dnl OpenBSD 3.4 posix -lpthread Y OK +dnl +dnl MacOS X 10.[123] posix -lpthread Y OK +dnl +dnl Solaris 7,8,9 posix -lpthread Y Sol 7,8: 0.0; Sol 9: OK +dnl solaris -lthread Y Sol 7,8: 0.0; Sol 9: OK +dnl +dnl HP-UX 11 posix -lpthread N (cc) OK +dnl Y (gcc) +dnl +dnl IRIX 6.5 posix -lpthread Y 0.5 +dnl +dnl AIX 4.3,5.1 posix -lpthread N AIX 4: 0.5; AIX 5: OK +dnl +dnl OSF/1 4.0,5.1 posix -pthread (cc) N OK +dnl -lpthread (gcc) Y +dnl +dnl Cygwin posix -lpthread Y OK +dnl +dnl Any of the above pth -lpth 0.0 +dnl +dnl Mingw windows N OK +dnl +dnl BeOS 5 -- +dnl +dnl The test-lock result shows what happens if in test-lock.c EXPLICIT_YIELD is +dnl turned off: +dnl OK if all three tests terminate OK, +dnl 0.5 if the first test terminates OK but the second one loops endlessly, +dnl 0.0 if the first test already loops endlessly. diff --git a/m4/time_h.m4 b/m4/time_h.m4 new file mode 100644 index 00000000..b88da764 --- /dev/null +++ b/m4/time_h.m4 @@ -0,0 +1,109 @@ +# Configure a more-standard replacement for <time.h>. + +# Copyright (C) 2000-2001, 2003-2007, 2009-2012 Free Software Foundation, Inc. + +# serial 6 + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert and Jim Meyering. + +AC_DEFUN([gl_HEADER_TIME_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_HEADER_TIME_H_BODY]) +]) + +AC_DEFUN([gl_HEADER_TIME_H_BODY], +[ + AC_REQUIRE([AC_C_RESTRICT]) + AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + gl_NEXT_HEADERS([time.h]) + AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC]) +]) + +dnl Define HAVE_STRUCT_TIMESPEC if 'struct timespec' is declared +dnl in time.h, sys/time.h, or pthread.h. + +AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], +[ + AC_CHECK_HEADERS_ONCE([sys/time.h]) + AC_CACHE_CHECK([for struct timespec in <time.h>], + [gl_cv_sys_struct_timespec_in_time_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <time.h> + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [gl_cv_sys_struct_timespec_in_time_h=yes], + [gl_cv_sys_struct_timespec_in_time_h=no])]) + + TIME_H_DEFINES_STRUCT_TIMESPEC=0 + SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0 + PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0 + if test $gl_cv_sys_struct_timespec_in_time_h = yes; then + TIME_H_DEFINES_STRUCT_TIMESPEC=1 + else + AC_CACHE_CHECK([for struct timespec in <sys/time.h>], + [gl_cv_sys_struct_timespec_in_sys_time_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/time.h> + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [gl_cv_sys_struct_timespec_in_sys_time_h=yes], + [gl_cv_sys_struct_timespec_in_sys_time_h=no])]) + if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then + SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1 + else + AC_CACHE_CHECK([for struct timespec in <pthread.h>], + [gl_cv_sys_struct_timespec_in_pthread_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h> + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [gl_cv_sys_struct_timespec_in_pthread_h=yes], + [gl_cv_sys_struct_timespec_in_pthread_h=no])]) + if test $gl_cv_sys_struct_timespec_in_pthread_h = yes; then + PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1 + fi + fi + fi + AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC]) + AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC]) + AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC]) +]) + +AC_DEFUN([gl_TIME_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS], +[ + GNULIB_MKTIME=0; AC_SUBST([GNULIB_MKTIME]) + GNULIB_NANOSLEEP=0; AC_SUBST([GNULIB_NANOSLEEP]) + GNULIB_STRPTIME=0; AC_SUBST([GNULIB_STRPTIME]) + GNULIB_TIMEGM=0; AC_SUBST([GNULIB_TIMEGM]) + GNULIB_TIME_R=0; AC_SUBST([GNULIB_TIME_R]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_LOCALTIME_R=1; AC_SUBST([HAVE_DECL_LOCALTIME_R]) + HAVE_NANOSLEEP=1; AC_SUBST([HAVE_NANOSLEEP]) + HAVE_STRPTIME=1; AC_SUBST([HAVE_STRPTIME]) + HAVE_TIMEGM=1; AC_SUBST([HAVE_TIMEGM]) + dnl If another module says to replace or to not replace, do that. + dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK; + dnl this lets maintainers check for portability. + REPLACE_LOCALTIME_R=GNULIB_PORTCHECK; AC_SUBST([REPLACE_LOCALTIME_R]) + REPLACE_MKTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_MKTIME]) + REPLACE_NANOSLEEP=GNULIB_PORTCHECK; AC_SUBST([REPLACE_NANOSLEEP]) + REPLACE_TIMEGM=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TIMEGM]) +]) diff --git a/m4/time_r.m4 b/m4/time_r.m4 new file mode 100644 index 00000000..c3579fb3 --- /dev/null +++ b/m4/time_r.m4 @@ -0,0 +1,58 @@ +dnl Reentrant time functions: localtime_r, gmtime_r. + +dnl Copyright (C) 2003, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_TIME_R], +[ + dnl Persuade glibc and Solaris <time.h> to declare localtime_r. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + AC_REQUIRE([AC_C_RESTRICT]) + + dnl Some systems don't declare localtime_r() and gmtime_r() if _REENTRANT is + dnl not defined. + AC_CHECK_DECLS_ONCE([localtime_r]) + if test $ac_cv_have_decl_localtime_r = no; then + HAVE_DECL_LOCALTIME_R=0 + fi + + AC_CHECK_FUNCS_ONCE([localtime_r]) + if test $ac_cv_func_localtime_r = yes; then + HAVE_LOCALTIME_R=1 + AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature], + [gl_cv_time_r_posix], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <time.h>]], + [[/* We don't need to append 'restrict's to the argument types, + even though the POSIX signature has the 'restrict's, + since C99 says they can't affect type compatibility. */ + struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r; + if (ptr) return 0; + /* Check the return type is a pointer. + On HP-UX 10 it is 'int'. */ + *localtime_r (0, 0);]]) + ], + [gl_cv_time_r_posix=yes], + [gl_cv_time_r_posix=no]) + ]) + if test $gl_cv_time_r_posix = yes; then + REPLACE_LOCALTIME_R=0 + else + REPLACE_LOCALTIME_R=1 + fi + else + HAVE_LOCALTIME_R=0 + fi +]) + +# Prerequisites of lib/time_r.c. +AC_DEFUN([gl_PREREQ_TIME_R], [ + : +]) diff --git a/m4/timer_time.m4 b/m4/timer_time.m4 new file mode 100644 index 00000000..d6e0efeb --- /dev/null +++ b/m4/timer_time.m4 @@ -0,0 +1,39 @@ +# timer_time.m4 serial 1 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Check for timer_settime, and set LIB_TIMER_TIME. + +AC_DEFUN([gl_TIMER_TIME], +[ + dnl Based on clock_time.m4. See details there. + + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([gl_THREADLIB]) + + LIB_TIMER_TIME= + AC_SUBST([LIB_TIMER_TIME]) + gl_saved_libs=$LIBS + AC_SEARCH_LIBS([timer_settime], [rt posix4], + [test "$ac_cv_search_timer_settime" = "none required" || + LIB_TIMER_TIME=$ac_cv_search_timer_settime]) + dnl GLIBC uses threads to emulate posix timers when kernel support + dnl is not available (like Linux < 2.6 or when used with kFreeBSD) + dnl Now the pthread lib is linked automatically in the normal case, + dnl but when linking statically, it needs to be explicitly specified. + AC_EGREP_CPP([Thread], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || (__GLIBC__ > 2)) \ + && !defined __UCLIBC__ + Thread emulation available + #endif +#endif + ], + [LIB_TIMER_TIME="$LIBMULTITHREAD $LIB_TIMER_TIME"]) + AC_CHECK_FUNCS([timer_settime]) + LIBS=$gl_saved_libs +]) diff --git a/m4/timespec.m4 b/m4/timespec.m4 new file mode 100644 index 00000000..597b9c2d --- /dev/null +++ b/m4/timespec.m4 @@ -0,0 +1,15 @@ +#serial 14 + +# Copyright (C) 2000-2001, 2003-2007, 2009-2012 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering + +AC_DEFUN([gl_TIMESPEC], +[ + dnl Prerequisites of lib/timespec.h. + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/tls.m4 b/m4/tls.m4 new file mode 100644 index 00000000..b0e89401 --- /dev/null +++ b/m4/tls.m4 @@ -0,0 +1,12 @@ +# tls.m4 serial 2 (gettext-0.18) +dnl Copyright (C) 2005, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_DEFUN([gl_TLS], +[ + AC_REQUIRE([gl_THREADLIB]) +]) diff --git a/m4/tm_gmtoff.m4 b/m4/tm_gmtoff.m4 new file mode 100644 index 00000000..c12e6cef --- /dev/null +++ b/m4/tm_gmtoff.m4 @@ -0,0 +1,14 @@ +# tm_gmtoff.m4 serial 3 +dnl Copyright (C) 2002, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_TM_GMTOFF], +[ + AC_CHECK_MEMBER([struct tm.tm_gmtoff], + [AC_DEFINE([HAVE_TM_GMTOFF], [1], + [Define if struct tm has the tm_gmtoff member.])], + , + [#include <time.h>]) +]) diff --git a/m4/tzset.m4 b/m4/tzset.m4 new file mode 100644 index 00000000..54b11bd7 --- /dev/null +++ b/m4/tzset.m4 @@ -0,0 +1,61 @@ +# serial 7 + +# Copyright (C) 2003, 2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# See if we have a working tzset function. +# If so, arrange to compile the wrapper function. +# For at least Solaris 2.5.1 and 2.6, this is necessary +# because tzset can clobber the contents of the buffer +# used by localtime. + +# Written by Paul Eggert and Jim Meyering. + +# A placeholder to ensure that this m4 file gets included by aclocal. +AC_DEFUN([gl_FUNC_TZSET], []) + +# Set gl_cv_func_tzset_clobber. +AC_DEFUN([gl_FUNC_TZSET_CLOBBER], +[ + AC_REQUIRE([gl_HEADER_SYS_TIME_H]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether tzset clobbers localtime buffer], + gl_cv_func_tzset_clobber, + [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <time.h> +#include <stdlib.h> + +int +main () +{ + time_t t1 = 853958121; + struct tm *p, s; + putenv ("TZ=GMT0"); + p = localtime (&t1); + s = *p; + putenv ("TZ=EST+3EDT+2,M10.1.0/00:00:00,M2.3.0/00:00:00"); + tzset (); + return (p->tm_year != s.tm_year + || p->tm_mon != s.tm_mon + || p->tm_mday != s.tm_mday + || p->tm_hour != s.tm_hour + || p->tm_min != s.tm_min + || p->tm_sec != s.tm_sec); +} + ]])], + [gl_cv_func_tzset_clobber=no], + [gl_cv_func_tzset_clobber=yes], + [case "$host_os" in + # Guess all is fine on glibc systems. + *-gnu*) gl_cv_func_tzset_clobber="guessing no" ;; + # If we don't know, assume the worst. + *) gl_cv_func_tzset_clobber="guessing yes" ;; + esac + ])]) + + AC_DEFINE([HAVE_RUN_TZSET_TEST], [1], + [Define to 1 if you have run the test for working tzset.]) +]) diff --git a/m4/uname.m4 b/m4/uname.m4 new file mode 100644 index 00000000..663f4d8d --- /dev/null +++ b/m4/uname.m4 @@ -0,0 +1,19 @@ +# uname.m4 serial 11 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_UNAME], +[ + AC_REQUIRE([gl_SYS_UTSNAME_H_DEFAULTS]) + AC_CHECK_FUNCS([uname]) + if test $ac_cv_func_uname = no; then + HAVE_UNAME=0 + fi +]) + +# Prerequisites of lib/uname.c. +AC_DEFUN([gl_PREREQ_UNAME], [ + : +]) diff --git a/m4/ungetc.m4 b/m4/ungetc.m4 new file mode 100644 index 00000000..9bc1ce76 --- /dev/null +++ b/m4/ungetc.m4 @@ -0,0 +1,46 @@ +# ungetc.m4 serial 3 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN_ONCE([gl_FUNC_UNGETC_WORKS], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + AC_CACHE_CHECK([whether ungetc works on arbitrary bytes], + [gl_cv_func_ungetc_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <stdio.h> + ]], [FILE *f; + if (!(f = fopen ("conftest.tmp", "w+"))) return 1; + if (fputs ("abc", f) < 0) return 2; + rewind (f); + if (fgetc (f) != 'a') return 3; + if (fgetc (f) != 'b') return 4; + if (ungetc ('d', f) != 'd') return 5; + if (ftell (f) != 1) return 6; + if (fgetc (f) != 'd') return 7; + if (ftell (f) != 2) return 8; + if (fseek (f, 0, SEEK_CUR) != 0) return 9; + if (ftell (f) != 2) return 10; + if (fgetc (f) != 'c') return 11; + fclose (f); remove ("conftest.tmp");])], + [gl_cv_func_ungetc_works=yes], [gl_cv_func_ungetc_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_ungetc_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_ungetc_works="guessing no" ;; + esac + ]) + ]) + case "$gl_cv_func_ungetc_works" in + *yes) ;; + *) + AC_DEFINE([FUNC_UNGETC_BROKEN], [1], + [Define to 1 if ungetc is broken when used on arbitrary bytes.]) + ;; + esac +]) diff --git a/m4/unicodeio.m4 b/m4/unicodeio.m4 new file mode 100644 index 00000000..e9b9bee9 --- /dev/null +++ b/m4/unicodeio.m4 @@ -0,0 +1,11 @@ +# unicodeio.m4 serial 2 +dnl Copyright (C) 2002-2003, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_UNICODEIO], +[ + dnl No prerequisites of lib/unicodeio.c. + : +]) diff --git a/m4/unistd-safer.m4 b/m4/unistd-safer.m4 new file mode 100644 index 00000000..62e295bc --- /dev/null +++ b/m4/unistd-safer.m4 @@ -0,0 +1,10 @@ +#serial 9 +dnl Copyright (C) 2002, 2005-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_UNISTD_SAFER], +[ + AC_CHECK_FUNCS_ONCE([pipe]) +]) diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4 new file mode 100644 index 00000000..7e7651b9 --- /dev/null +++ b/m4/unistd_h.m4 @@ -0,0 +1,187 @@ +# unistd_h.m4 serial 65 +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Simon Josefsson, Bruno Haible. + +AC_DEFUN([gl_UNISTD_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_C_INLINE]) + + gl_CHECK_NEXT_HEADERS([unistd.h]) + if test $ac_cv_header_unistd_h = yes; then + HAVE_UNISTD_H=1 + else + HAVE_UNISTD_H=0 + fi + AC_SUBST([HAVE_UNISTD_H]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Determine WINDOWS_64_BIT_OFF_T. + AC_REQUIRE([gl_TYPE_OFF_T]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +#if HAVE_UNISTD_H +# include <unistd.h> +#endif +/* Some systems declare various items in the wrong headers. */ +#if !(defined __GLIBC__ && !defined __UCLIBC__) +# include <fcntl.h> +# include <stdio.h> +# include <stdlib.h> +# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ +# include <io.h> +# endif +#endif + ]], [chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir fchownat + fdatasync fsync ftruncate getcwd getdomainname getdtablesize getgroups + gethostname getlogin getlogin_r getpagesize + getusershell setusershell endusershell + group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite + readlink readlinkat rmdir sethostname sleep symlink symlinkat ttyname_r + unlink unlinkat usleep]) +]) + +AC_DEFUN([gl_UNISTD_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_UNISTD_H_DEFAULTS], +[ + GNULIB_CHDIR=0; AC_SUBST([GNULIB_CHDIR]) + GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN]) + GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE]) + GNULIB_DUP=0; AC_SUBST([GNULIB_DUP]) + GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2]) + GNULIB_DUP3=0; AC_SUBST([GNULIB_DUP3]) + GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON]) + GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS]) + GNULIB_FACCESSAT=0; AC_SUBST([GNULIB_FACCESSAT]) + GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR]) + GNULIB_FCHOWNAT=0; AC_SUBST([GNULIB_FCHOWNAT]) + GNULIB_FDATASYNC=0; AC_SUBST([GNULIB_FDATASYNC]) + GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC]) + GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE]) + GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD]) + GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME]) + GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE]) + GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS]) + GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME]) + GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN]) + GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R]) + GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE]) + GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL]) + GNULIB_GROUP_MEMBER=0; AC_SUBST([GNULIB_GROUP_MEMBER]) + GNULIB_ISATTY=0; AC_SUBST([GNULIB_ISATTY]) + GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN]) + GNULIB_LINK=0; AC_SUBST([GNULIB_LINK]) + GNULIB_LINKAT=0; AC_SUBST([GNULIB_LINKAT]) + GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK]) + GNULIB_PIPE=0; AC_SUBST([GNULIB_PIPE]) + GNULIB_PIPE2=0; AC_SUBST([GNULIB_PIPE2]) + GNULIB_PREAD=0; AC_SUBST([GNULIB_PREAD]) + GNULIB_PWRITE=0; AC_SUBST([GNULIB_PWRITE]) + GNULIB_READ=0; AC_SUBST([GNULIB_READ]) + GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK]) + GNULIB_READLINKAT=0; AC_SUBST([GNULIB_READLINKAT]) + GNULIB_RMDIR=0; AC_SUBST([GNULIB_RMDIR]) + GNULIB_SETHOSTNAME=0; AC_SUBST([GNULIB_SETHOSTNAME]) + GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP]) + GNULIB_SYMLINK=0; AC_SUBST([GNULIB_SYMLINK]) + GNULIB_SYMLINKAT=0; AC_SUBST([GNULIB_SYMLINKAT]) + GNULIB_TTYNAME_R=0; AC_SUBST([GNULIB_TTYNAME_R]) + GNULIB_UNISTD_H_NONBLOCKING=0; AC_SUBST([GNULIB_UNISTD_H_NONBLOCKING]) + GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE]) + GNULIB_UNLINK=0; AC_SUBST([GNULIB_UNLINK]) + GNULIB_UNLINKAT=0; AC_SUBST([GNULIB_UNLINKAT]) + GNULIB_USLEEP=0; AC_SUBST([GNULIB_USLEEP]) + GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_CHOWN=1; AC_SUBST([HAVE_CHOWN]) + HAVE_DUP2=1; AC_SUBST([HAVE_DUP2]) + HAVE_DUP3=1; AC_SUBST([HAVE_DUP3]) + HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS]) + HAVE_FACCESSAT=1; AC_SUBST([HAVE_FACCESSAT]) + HAVE_FCHDIR=1; AC_SUBST([HAVE_FCHDIR]) + HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT]) + HAVE_FDATASYNC=1; AC_SUBST([HAVE_FDATASYNC]) + HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC]) + HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE]) + HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE]) + HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS]) + HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME]) + HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN]) + HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE]) + HAVE_GROUP_MEMBER=1; AC_SUBST([HAVE_GROUP_MEMBER]) + HAVE_LCHOWN=1; AC_SUBST([HAVE_LCHOWN]) + HAVE_LINK=1; AC_SUBST([HAVE_LINK]) + HAVE_LINKAT=1; AC_SUBST([HAVE_LINKAT]) + HAVE_PIPE=1; AC_SUBST([HAVE_PIPE]) + HAVE_PIPE2=1; AC_SUBST([HAVE_PIPE2]) + HAVE_PREAD=1; AC_SUBST([HAVE_PREAD]) + HAVE_PWRITE=1; AC_SUBST([HAVE_PWRITE]) + HAVE_READLINK=1; AC_SUBST([HAVE_READLINK]) + HAVE_READLINKAT=1; AC_SUBST([HAVE_READLINKAT]) + HAVE_SETHOSTNAME=1; AC_SUBST([HAVE_SETHOSTNAME]) + HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP]) + HAVE_SYMLINK=1; AC_SUBST([HAVE_SYMLINK]) + HAVE_SYMLINKAT=1; AC_SUBST([HAVE_SYMLINKAT]) + HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT]) + HAVE_USLEEP=1; AC_SUBST([HAVE_USLEEP]) + HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON]) + HAVE_DECL_FCHDIR=1; AC_SUBST([HAVE_DECL_FCHDIR]) + HAVE_DECL_FDATASYNC=1; AC_SUBST([HAVE_DECL_FDATASYNC]) + HAVE_DECL_GETDOMAINNAME=1; AC_SUBST([HAVE_DECL_GETDOMAINNAME]) + HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R]) + HAVE_DECL_GETPAGESIZE=1; AC_SUBST([HAVE_DECL_GETPAGESIZE]) + HAVE_DECL_GETUSERSHELL=1; AC_SUBST([HAVE_DECL_GETUSERSHELL]) + HAVE_DECL_SETHOSTNAME=1; AC_SUBST([HAVE_DECL_SETHOSTNAME]) + HAVE_DECL_TTYNAME_R=1; AC_SUBST([HAVE_DECL_TTYNAME_R]) + HAVE_OS_H=0; AC_SUBST([HAVE_OS_H]) + HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H]) + REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN]) + REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE]) + REPLACE_DUP=0; AC_SUBST([REPLACE_DUP]) + REPLACE_DUP2=0; AC_SUBST([REPLACE_DUP2]) + REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT]) + REPLACE_FTRUNCATE=0; AC_SUBST([REPLACE_FTRUNCATE]) + REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD]) + REPLACE_GETDOMAINNAME=0; AC_SUBST([REPLACE_GETDOMAINNAME]) + REPLACE_GETLOGIN_R=0; AC_SUBST([REPLACE_GETLOGIN_R]) + REPLACE_GETGROUPS=0; AC_SUBST([REPLACE_GETGROUPS]) + REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE]) + REPLACE_ISATTY=0; AC_SUBST([REPLACE_ISATTY]) + REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN]) + REPLACE_LINK=0; AC_SUBST([REPLACE_LINK]) + REPLACE_LINKAT=0; AC_SUBST([REPLACE_LINKAT]) + REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK]) + REPLACE_PREAD=0; AC_SUBST([REPLACE_PREAD]) + REPLACE_PWRITE=0; AC_SUBST([REPLACE_PWRITE]) + REPLACE_READ=0; AC_SUBST([REPLACE_READ]) + REPLACE_READLINK=0; AC_SUBST([REPLACE_READLINK]) + REPLACE_RMDIR=0; AC_SUBST([REPLACE_RMDIR]) + REPLACE_SLEEP=0; AC_SUBST([REPLACE_SLEEP]) + REPLACE_SYMLINK=0; AC_SUBST([REPLACE_SYMLINK]) + REPLACE_TTYNAME_R=0; AC_SUBST([REPLACE_TTYNAME_R]) + REPLACE_UNLINK=0; AC_SUBST([REPLACE_UNLINK]) + REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT]) + REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP]) + REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE]) + UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H]) + UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0; + AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS]) +]) diff --git a/m4/unlink-busy.m4 b/m4/unlink-busy.m4 new file mode 100644 index 00000000..8ba9489c --- /dev/null +++ b/m4/unlink-busy.m4 @@ -0,0 +1,40 @@ +#serial 12 + +dnl From J. David Anglin. + +dnl HPUX and other systems can't unlink shared text that is being executed. + +# Copyright (C) 2000-2001, 2004, 2007, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT], +[dnl + AC_CACHE_CHECK([whether a running program can be unlinked], + gl_cv_func_unlink_busy_text, + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE( + [AC_INCLUDES_DEFAULT[ + int + main (int argc, char **argv) + { + int result = 0; + if (argc == 0) + result |= 1; + else if (unlink (argv[0]) != 0) + result |= 2; + return result; + }]])], + gl_cv_func_unlink_busy_text=yes, + gl_cv_func_unlink_busy_text=no, + gl_cv_func_unlink_busy_text=no + ) + ] + ) + + if test $gl_cv_func_unlink_busy_text = no; then + INSTALL=$ac_install_sh + fi +]) diff --git a/m4/unlink.m4 b/m4/unlink.m4 new file mode 100644 index 00000000..cb0d5459 --- /dev/null +++ b/m4/unlink.m4 @@ -0,0 +1,130 @@ +# unlink.m4 serial 10 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_UNLINK], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CHECK_HEADERS_ONCE([unistd.h]) + + dnl Detect FreeBSD 7.2, AIX 7.1, Solaris 9 bug. + AC_CACHE_CHECK([whether unlink honors trailing slashes], + [gl_cv_func_unlink_honors_slashes], + [touch conftest.file + # Assume that if we have lstat, we can also check symlinks. + if test $ac_cv_func_lstat = yes; then + ln -s conftest.file conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#if HAVE_UNISTD_H + # include <unistd.h> + #else /* on Windows with MSVC */ + # include <io.h> + #endif + #include <errno.h> + ]], + [[int result = 0; + if (!unlink ("conftest.file/")) + result |= 1; + else if (errno != ENOTDIR) + result |= 2; +#if HAVE_LSTAT + if (!unlink ("conftest.lnk/")) + result |= 4; + else if (errno != ENOTDIR) + result |= 8; +#endif + return result; + ]])], + [gl_cv_func_unlink_honors_slashes=yes], + [gl_cv_func_unlink_honors_slashes=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_unlink_honors_slashes="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_unlink_honors_slashes="guessing no" ;; + esac + ]) + rm -f conftest.file conftest.lnk]) + case "$gl_cv_func_unlink_honors_slashes" in + *no) + REPLACE_UNLINK=1 + ;; + esac + + dnl Detect MacOS X 10.5.6 bug: On read-write HFS mounts, unlink("..") or + dnl unlink("../..") succeeds without doing anything. + AC_CACHE_CHECK([whether unlink of a parent directory fails as it should], + [gl_cv_func_unlink_parent_fails], + [case "$host_os" in + darwin*) + dnl Try to unlink a subdirectory of /tmp, because /tmp is usually on a + dnl HFS mount on MacOS X. Use a subdirectory, owned by the current + dnl user, because otherwise unlink() may fail due to permissions + dnl reasons, and because when running as root we don't want to risk + dnl destroying the entire /tmp. + if { + # Use the mktemp program if available. If not available, hide the error + # message. + tmp=`(umask 077 && mktemp -d /tmp/gtXXXXXX) 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" + } || + { + # Use a simple mkdir command. It is guaranteed to fail if the directory + # already exists. $RANDOM is bash specific and expands to empty in shells + # other than bash, ksh and zsh. Its use does not increase security; + # rather, it minimizes the probability of failure in a very cluttered /tmp + # directory. + tmp=/tmp/gt$$-$RANDOM + (umask 077 && mkdir "$tmp") + }; then + mkdir "$tmp/subdir" + GL_SUBDIR_FOR_UNLINK="$tmp/subdir" + export GL_SUBDIR_FOR_UNLINK + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ + #include <stdlib.h> + #if HAVE_UNISTD_H + # include <unistd.h> + #else /* on Windows with MSVC */ + # include <direct.h> + # include <io.h> + #endif + int main () + { + int result = 0; + if (chdir (getenv ("GL_SUBDIR_FOR_UNLINK")) != 0) + result |= 1; + else if (unlink ("..") == 0) + result |= 2; + return result; + } + ]])], + [gl_cv_func_unlink_parent_fails=yes], + [gl_cv_func_unlink_parent_fails=no], + [# If we don't know, assume the worst. + gl_cv_func_unlink_parent_fails="guessing no" + ]) + unset GL_SUBDIR_FOR_UNLINK + rm -rf "$tmp" + else + gl_cv_func_unlink_parent_fails="guessing no" + fi + ;; + *) + gl_cv_func_unlink_parent_fails="guessing yes" + ;; + esac + ]) + case "$gl_cv_func_unlink_parent_fails" in + *no) + REPLACE_UNLINK=1 + AC_DEFINE([UNLINK_PARENT_BUG], [1], + [Define to 1 if unlink() on a parent directory may succeed]) + ;; + esac +]) diff --git a/m4/unlinkat.m4 b/m4/unlinkat.m4 new file mode 100644 index 00000000..fc10d590 --- /dev/null +++ b/m4/unlinkat.m4 @@ -0,0 +1,33 @@ +# unlinkat.m4 serial 2 +dnl Copyright (C) 2004-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +AC_DEFUN([gl_FUNC_UNLINKAT], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([unlinkat]) + AC_REQUIRE([gl_FUNC_UNLINK]) + AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) + if test $ac_cv_func_unlinkat = no; then + HAVE_UNLINKAT=0 + else + case "$gl_cv_func_lstat_dereferences_slashed_symlink" in + *no) + # Solaris 9 has *at functions, but uniformly mishandles trailing + # slash in all of them. + REPLACE_UNLINKAT=1 + ;; + *) + # GNU/Hurd has unlinkat, but it has the same bug as unlink. + if test $REPLACE_UNLINK = 1; then + REPLACE_UNLINKAT=1 + fi + ;; + esac + fi +]) diff --git a/m4/unlinkdir.m4 b/m4/unlinkdir.m4 new file mode 100644 index 00000000..48cf33c4 --- /dev/null +++ b/m4/unlinkdir.m4 @@ -0,0 +1,32 @@ +# serial 7 + +# Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. + +AC_DEFUN([gl_UNLINKDIR], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CHECK_HEADERS_ONCE([priv.h]) + + # The Hurd, the Linux kernel, the FreeBSD kernel version 2.2 and later, + # Cygwin, and mingw never let anyone (even root) unlink directories. + # If anyone knows of another system for which unlink can never + # remove a directory, please report it to <bug-coreutils@gnu.org>. + # Unfortunately this is difficult to test for, since it requires root access + # and might create garbage in the file system, + # so the code below simply relies on the kernel name and version number. + case $host_os in + gnu[[0-9]]* | \ + linux-* | linux | \ + freebsd2.2* | freebsd[[3-9]]* | freebsd[[1-9]][[0-9]]* | \ + cygwin | \ + mingw*) + AC_DEFINE([UNLINK_CANNOT_UNLINK_DIR], [1], + [Define to 1 if unlink (dir) cannot possibly succeed.]);; + esac +]) diff --git a/m4/unlocked-io.m4 b/m4/unlocked-io.m4 new file mode 100644 index 00000000..c44adaee --- /dev/null +++ b/m4/unlocked-io.m4 @@ -0,0 +1,41 @@ +# unlocked-io.m4 serial 15 + +# Copyright (C) 1998-2006, 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering. +dnl +dnl See if the glibc *_unlocked I/O macros or functions are available. +dnl Use only those *_unlocked macros or functions that are declared +dnl (because some of them were declared in Solaris 2.5.1 but were removed +dnl in Solaris 2.6, whereas we want binaries built on Solaris 2.5.1 to run +dnl on Solaris 2.6). + +AC_DEFUN([gl_FUNC_GLIBC_UNLOCKED_IO], +[ + AC_DEFINE([USE_UNLOCKED_IO], [1], + [Define to 1 if you want getc etc. to use unlocked I/O if available. + Unlocked I/O can improve performance in unithreaded apps, + but it is not safe for multithreaded apps.]) + + dnl Persuade glibc and Solaris <stdio.h> to declare + dnl fgets_unlocked(), fputs_unlocked() etc. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_DECLS_ONCE([clearerr_unlocked]) + AC_CHECK_DECLS_ONCE([feof_unlocked]) + AC_CHECK_DECLS_ONCE([ferror_unlocked]) + AC_CHECK_DECLS_ONCE([fflush_unlocked]) + AC_CHECK_DECLS_ONCE([fgets_unlocked]) + AC_CHECK_DECLS_ONCE([fputc_unlocked]) + AC_CHECK_DECLS_ONCE([fputs_unlocked]) + AC_CHECK_DECLS_ONCE([fread_unlocked]) + AC_CHECK_DECLS_ONCE([fwrite_unlocked]) + AC_CHECK_DECLS_ONCE([getc_unlocked]) + AC_CHECK_DECLS_ONCE([getchar_unlocked]) + AC_CHECK_DECLS_ONCE([putc_unlocked]) + AC_CHECK_DECLS_ONCE([putchar_unlocked]) +]) diff --git a/m4/uptime.m4 b/m4/uptime.m4 new file mode 100644 index 00000000..b05638b9 --- /dev/null +++ b/m4/uptime.m4 @@ -0,0 +1,23 @@ +# serial 8 + +# Copyright (C) 1996, 1999-2001, 2004, 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_PREREQ([2.13]) + +AC_DEFUN([gl_SYS_PROC_UPTIME], +[ dnl Require AC_PROG_CC to see if we're cross compiling. + AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([for /proc/uptime], [gl_cv_have_proc_uptime], + [gl_cv_have_proc_uptime=no + test -f /proc/uptime \ + && test "$cross_compiling" = no \ + && cat < /proc/uptime >/dev/null 2>/dev/null \ + && gl_cv_have_proc_uptime=yes]) + if test $gl_cv_have_proc_uptime = yes; then + AC_DEFINE([HAVE_PROC_UPTIME], [1], + [ Define if your system has the /proc/uptime special file.]) + fi +]) diff --git a/m4/userspec.m4 b/m4/userspec.m4 new file mode 100644 index 00000000..a218a0cf --- /dev/null +++ b/m4/userspec.m4 @@ -0,0 +1,11 @@ +# serial 11 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Prerequisites of lib/userspec.c. +AC_DEFUN([gl_USERSPEC], +[ + AC_CHECK_HEADERS_ONCE([sys/param.h]) +]) diff --git a/m4/usleep.m4 b/m4/usleep.m4 new file mode 100644 index 00000000..f64daf78 --- /dev/null +++ b/m4/usleep.m4 @@ -0,0 +1,45 @@ +# usleep.m4 serial 3 +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This macro intentionally does not check for select or nanosleep; +dnl both of those modules can require external libraries. +AC_DEFUN([gl_FUNC_USLEEP], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + dnl usleep was required in POSIX 2001, but dropped as obsolete in + dnl POSIX 2008; therefore, it is not always exposed in headers. + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([usleep]) + AC_CHECK_TYPE([useconds_t], [], + [AC_DEFINE([useconds_t], [unsigned int], [Define to an unsigned 32-bit + type if <sys/types.h> lacks this type.])]) + if test $ac_cv_func_usleep = no; then + HAVE_USLEEP=0 + else + dnl POSIX allows implementations to reject arguments larger than + dnl 999999, but GNU guarantees it will work. + AC_CACHE_CHECK([whether usleep allows large arguments], + [gl_cv_func_usleep_works], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <unistd.h> +]], [[return !!usleep (1000000);]])], + [gl_cv_func_usleep_works=yes], [gl_cv_func_usleep_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_usleep_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_usleep_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_usleep_works" in + *yes) ;; + *) + REPLACE_USLEEP=1 + ;; + esac + fi +]) diff --git a/m4/utimbuf.m4 b/m4/utimbuf.m4 new file mode 100644 index 00000000..25eb85b3 --- /dev/null +++ b/m4/utimbuf.m4 @@ -0,0 +1,39 @@ +# serial 9 + +# Copyright (C) 1998-2001, 2003-2004, 2007, 2009-2012 Free Software Foundation, +# Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl From Jim Meyering + +dnl Define HAVE_STRUCT_UTIMBUF if 'struct utimbuf' is declared -- +dnl usually in <utime.h>. +dnl Some systems have utime.h but don't declare the struct anywhere. + +AC_DEFUN([gl_CHECK_TYPE_STRUCT_UTIMBUF], +[ + AC_CHECK_HEADERS_ONCE([sys/time.h utime.h]) + AC_CACHE_CHECK([for struct utimbuf], [gl_cv_sys_struct_utimbuf], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#if HAVE_SYS_TIME_H + #include <sys/time.h> + #endif + #include <time.h> + #ifdef HAVE_UTIME_H + #include <utime.h> + #endif + ]], + [[static struct utimbuf x; x.actime = x.modtime;]])], + [gl_cv_sys_struct_utimbuf=yes], + [gl_cv_sys_struct_utimbuf=no])]) + + if test $gl_cv_sys_struct_utimbuf = yes; then + AC_DEFINE([HAVE_STRUCT_UTIMBUF], [1], + [Define if struct utimbuf is declared -- usually in <utime.h>. + Some systems have utime.h but don't declare the struct anywhere. ]) + fi +]) diff --git a/m4/utimecmp.m4 b/m4/utimecmp.m4 new file mode 100644 index 00000000..c6093040 --- /dev/null +++ b/m4/utimecmp.m4 @@ -0,0 +1,12 @@ +#serial 4 +dnl Copyright (C) 2004-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_UTIMECMP], +[ + dnl Prerequisites of lib/utimecmp.c. + AC_REQUIRE([gl_FUNC_UTIMES]) + : +]) diff --git a/m4/utimens.m4 b/m4/utimens.m4 new file mode 100644 index 00000000..6a8b6ab7 --- /dev/null +++ b/m4/utimens.m4 @@ -0,0 +1,50 @@ +dnl Copyright (C) 2003-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl serial 7 + +AC_DEFUN([gl_UTIMENS], +[ + dnl Prerequisites of lib/utimens.c. + AC_REQUIRE([gl_FUNC_UTIMES]) + AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC]) + AC_REQUIRE([gl_CHECK_TYPE_STRUCT_UTIMBUF]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CHECK_FUNCS_ONCE([futimes futimesat futimens utimensat lutimes]) + + if test $ac_cv_func_futimens = no && test $ac_cv_func_futimesat = yes; then + dnl FreeBSD 8.0-rc2 mishandles futimesat(fd,NULL,time). It is not + dnl standardized, but Solaris implemented it first and uses it as + dnl its only means to set fd time. + AC_CACHE_CHECK([whether futimesat handles NULL file], + [gl_cv_func_futimesat_works], + [touch conftest.file + AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include <stddef.h> +#include <sys/times.h> +#include <fcntl.h> +]], [[ int fd = open ("conftest.file", O_RDWR); + if (fd < 0) return 1; + if (futimesat (fd, NULL, NULL)) return 2; + ]])], + [gl_cv_func_futimesat_works=yes], + [gl_cv_func_futimesat_works=no], + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_futimesat_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_futimesat_works="guessing no" ;; + esac + ]) + rm -f conftest.file]) + case "$gl_cv_func_futimesat_works" in + *yes) ;; + *) + AC_DEFINE([FUTIMESAT_NULL_BUG], [1], + [Define to 1 if futimesat mishandles a NULL file name.]) + ;; + esac + fi +]) diff --git a/m4/utimensat.m4 b/m4/utimensat.m4 new file mode 100644 index 00000000..d1bafcc4 --- /dev/null +++ b/m4/utimensat.m4 @@ -0,0 +1,71 @@ +# serial 5 +# See if we need to provide utimensat replacement. + +dnl Copyright (C) 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Eric Blake. + +AC_DEFUN([gl_FUNC_UTIMENSAT], +[ + AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([utimensat]) + if test $ac_cv_func_utimensat = no; then + HAVE_UTIMENSAT=0 + else + AC_CACHE_CHECK([whether utimensat works], + [gl_cv_func_utimensat_works], + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +#include <fcntl.h> +#include <sys/stat.h> +#include <unistd.h> +]], [[int result = 0; + const char *f = "conftest.file"; + if (close (creat (f, 0600))) + return 1; + /* Test whether the AT_SYMLINK_NOFOLLOW flag is supported. */ + { + if (utimensat (AT_FDCWD, f, NULL, AT_SYMLINK_NOFOLLOW)) + result |= 2; + } + /* Test whether UTIME_NOW and UTIME_OMIT work. */ + { + struct timespec ts[2] = { { 1, UTIME_OMIT }, { 1, UTIME_NOW } }; + if (utimensat (AT_FDCWD, f, ts, 0)) + result |= 4; + } + sleep (1); + { + struct timespec ts[2] = { { 1, UTIME_NOW }, { 1, UTIME_OMIT } }; + struct stat st; + if (utimensat (AT_FDCWD, f, ts, 0)) + result |= 8; + if (stat (f, &st)) + result |= 16; + else if (st.st_ctime < st.st_atime) + result |= 32; + } + return result; + ]])], +dnl FIXME: simplify this in 2012, when file system bugs are no longer common + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#ifdef __linux__ +/* The Linux kernel added utimensat in 2.6.22, but has bugs with UTIME_OMIT + in several file systems as recently as 2.6.32. Always replace utimensat + to support older kernels. */ +choke me +#endif + ]])], + [gl_cv_func_utimensat_works=yes], + [gl_cv_func_utimensat_works="needs runtime check"])], + [gl_cv_func_utimensat_works=no], + [gl_cv_func_utimensat_works="guessing no"])]) + if test "$gl_cv_func_utimensat_works" != yes; then + REPLACE_UTIMENSAT=1 + fi + fi +]) diff --git a/m4/utimes.m4 b/m4/utimes.m4 new file mode 100644 index 00000000..417103a7 --- /dev/null +++ b/m4/utimes.m4 @@ -0,0 +1,136 @@ +# Detect some bugs in glibc's implementation of utimes. +# serial 3 + +dnl Copyright (C) 2003-2005, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# See if we need to work around bugs in glibc's implementation of +# utimes from 2003-07-12 to 2003-09-17. +# First, there was a bug that would make utimes set mtime +# and atime to zero (1970-01-01) unconditionally. +# Then, there was code to round rather than truncate. +# Then, there was an implementation (sparc64, Linux-2.4.28, glibc-2.3.3) +# that didn't honor the NULL-means-set-to-current-time semantics. +# Finally, there was also a version of utimes that failed on read-only +# files, while utime worked fine (linux-2.2.20, glibc-2.2.5). +# +# From Jim Meyering, with suggestions from Paul Eggert. + +AC_DEFUN([gl_FUNC_UTIMES], +[ + AC_CACHE_CHECK([whether the utimes function works], + [gl_cv_func_working_utimes], + [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/time.h> +#include <time.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <utime.h> + +static int +inorder (time_t a, time_t b, time_t c) +{ + return a <= b && b <= c; +} + +int +main () +{ + int result = 0; + char const *file = "conftest.utimes"; + static struct timeval timeval[2] = {{9, 10}, {999999, 999999}}; + + /* Test whether utimes() essentially works. */ + { + struct stat sbuf; + FILE *f = fopen (file, "w"); + if (f == NULL) + result |= 1; + else if (fclose (f) != 0) + result |= 1; + else if (utimes (file, timeval) != 0) + result |= 2; + else if (lstat (file, &sbuf) != 0) + result |= 1; + else if (!(sbuf.st_atime == timeval[0].tv_sec + && sbuf.st_mtime == timeval[1].tv_sec)) + result |= 4; + if (unlink (file) != 0) + result |= 1; + } + + /* Test whether utimes() with a NULL argument sets the file's timestamp + to the current time. Use 'fstat' as well as 'time' to + determine the "current" time, to accommodate NFS file systems + if there is a time skew between the host and the NFS server. */ + { + int fd = open (file, O_WRONLY|O_CREAT, 0644); + if (fd < 0) + result |= 1; + else + { + time_t t0, t2; + struct stat st0, st1, st2; + if (time (&t0) == (time_t) -1) + result |= 1; + else if (fstat (fd, &st0) != 0) + result |= 1; + else if (utimes (file, timeval) != 0) + result |= 2; + else if (utimes (file, NULL) != 0) + result |= 8; + else if (fstat (fd, &st1) != 0) + result |= 1; + else if (write (fd, "\n", 1) != 1) + result |= 1; + else if (fstat (fd, &st2) != 0) + result |= 1; + else if (time (&t2) == (time_t) -1) + result |= 1; + else + { + int m_ok_POSIX = inorder (t0, st1.st_mtime, t2); + int m_ok_NFS = inorder (st0.st_mtime, st1.st_mtime, st2.st_mtime); + if (! (st1.st_atime == st1.st_mtime)) + result |= 16; + if (! (m_ok_POSIX || m_ok_NFS)) + result |= 32; + } + if (close (fd) != 0) + result |= 1; + } + if (unlink (file) != 0) + result |= 1; + } + + /* Test whether utimes() with a NULL argument works on read-only files. */ + { + int fd = open (file, O_WRONLY|O_CREAT, 0444); + if (fd < 0) + result |= 1; + else if (close (fd) != 0) + result |= 1; + else if (utimes (file, NULL) != 0) + result |= 64; + if (unlink (file) != 0) + result |= 1; + } + + return result; +} + ]])], + [gl_cv_func_working_utimes=yes], + [gl_cv_func_working_utimes=no], + [gl_cv_func_working_utimes=no])]) + + if test $gl_cv_func_working_utimes = yes; then + AC_DEFINE([HAVE_WORKING_UTIMES], [1], [Define if utimes works properly. ]) + fi +]) diff --git a/m4/vasnprintf.m4 b/m4/vasnprintf.m4 new file mode 100644 index 00000000..0ce11da1 --- /dev/null +++ b/m4/vasnprintf.m4 @@ -0,0 +1,292 @@ +# vasnprintf.m4 serial 35 +dnl Copyright (C) 2002-2004, 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_VASNPRINTF], +[ + AC_CHECK_FUNCS_ONCE([vasnprintf]) + if test $ac_cv_func_vasnprintf = no; then + gl_REPLACE_VASNPRINTF + fi +]) + +AC_DEFUN([gl_REPLACE_VASNPRINTF], +[ + AC_CHECK_FUNCS_ONCE([vasnprintf]) + AC_LIBOBJ([vasnprintf]) + AC_LIBOBJ([printf-args]) + AC_LIBOBJ([printf-parse]) + AC_LIBOBJ([asnprintf]) + if test $ac_cv_func_vasnprintf = yes; then + AC_DEFINE([REPLACE_VASNPRINTF], [1], + [Define if vasnprintf exists but is overridden by gnulib.]) + fi + gl_PREREQ_PRINTF_ARGS + gl_PREREQ_PRINTF_PARSE + gl_PREREQ_VASNPRINTF + gl_PREREQ_ASNPRINTF +]) + +# Prerequisites of lib/printf-args.h, lib/printf-args.c. +AC_DEFUN([gl_PREREQ_PRINTF_ARGS], +[ + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + AC_REQUIRE([gt_TYPE_WCHAR_T]) + AC_REQUIRE([gt_TYPE_WINT_T]) +]) + +# Prerequisites of lib/printf-parse.h, lib/printf-parse.c. +AC_DEFUN([gl_PREREQ_PRINTF_PARSE], +[ + AC_REQUIRE([gl_FEATURES_H]) + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + AC_REQUIRE([gt_TYPE_WCHAR_T]) + AC_REQUIRE([gt_TYPE_WINT_T]) + AC_REQUIRE([AC_TYPE_SIZE_T]) + AC_CHECK_TYPE([ptrdiff_t], , + [AC_DEFINE([ptrdiff_t], [long], + [Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) + ]) + AC_REQUIRE([gt_AC_TYPE_INTMAX_T]) +]) + +# Prerequisites of lib/vasnprintf.c. +AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF], +[ + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([AC_FUNC_ALLOCA]) + AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) + AC_REQUIRE([gt_TYPE_WCHAR_T]) + AC_REQUIRE([gt_TYPE_WINT_T]) + AC_CHECK_FUNCS([snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb]) + dnl Use the _snprintf function only if it is declared (because on NetBSD it + dnl is defined as a weak alias of snprintf; we prefer to use the latter). + AC_CHECK_DECLS([_snprintf], , , [[#include <stdio.h>]]) + dnl Knowing DBL_EXPBIT0_WORD and DBL_EXPBIT0_BIT enables an optimization + dnl in the code for NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE. + AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION]) + dnl We can avoid a lot of code by assuming that snprintf's return value + dnl conforms to ISO C99. So check that. + AC_REQUIRE([gl_SNPRINTF_RETVAL_C99]) + case "$gl_cv_func_snprintf_retval_c99" in + *yes) + AC_DEFINE([HAVE_SNPRINTF_RETVAL_C99], [1], + [Define if the return value of the snprintf function is the number of + of bytes (excluding the terminating NUL) that would have been produced + if the buffer had been large enough.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting 'long double' +# arguments. +AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE], +[ + AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) + case "$gl_cv_func_printf_long_double" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], + [Define if the vasnprintf implementation needs special code for + 'long double' arguments.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double' +# arguments. +AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE], +[ + AC_REQUIRE([gl_PRINTF_INFINITE]) + case "$gl_cv_func_printf_infinite" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], [1], + [Define if the vasnprintf implementation needs special code for + infinite 'double' arguments.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double' +# arguments. +AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE], +[ + AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE]) + dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if + dnl NEED_PRINTF_LONG_DOUBLE is already set. + AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE]) + case "$gl_cv_func_printf_long_double" in + *yes) + case "$gl_cv_func_printf_infinite_long_double" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], [1], + [Define if the vasnprintf implementation needs special code for + infinite 'long double' arguments.]) + ;; + esac + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive. +AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A], +[ + AC_REQUIRE([gl_PRINTF_DIRECTIVE_A]) + case "$gl_cv_func_printf_directive_a" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], [1], + [Define if the vasnprintf implementation needs special code for + the 'a' and 'A' directives.]) + AC_CHECK_FUNCS([nl_langinfo]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive. +AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F], +[ + AC_REQUIRE([gl_PRINTF_DIRECTIVE_F]) + case "$gl_cv_func_printf_directive_f" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], [1], + [Define if the vasnprintf implementation needs special code for + the 'F' directive.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting the 'ls' directive. +AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_LS], +[ + AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS]) + case "$gl_cv_func_printf_directive_ls" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_DIRECTIVE_LS], [1], + [Define if the vasnprintf implementation needs special code for + the 'ls' directive.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting the ' flag. +AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING], +[ + AC_REQUIRE([gl_PRINTF_FLAG_GROUPING]) + case "$gl_cv_func_printf_flag_grouping" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], [1], + [Define if the vasnprintf implementation needs special code for the + ' flag.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag. +AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST], +[ + AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST]) + case "$gl_cv_func_printf_flag_leftadjust" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], [1], + [Define if the vasnprintf implementation needs special code for the + '-' flag.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag. +AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO], +[ + AC_REQUIRE([gl_PRINTF_FLAG_ZERO]) + case "$gl_cv_func_printf_flag_zero" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_FLAG_ZERO], [1], + [Define if the vasnprintf implementation needs special code for the + 0 flag.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for supporting large precisions. +AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION], +[ + AC_REQUIRE([gl_PRINTF_PRECISION]) + case "$gl_cv_func_printf_precision" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], [1], + [Define if the vasnprintf implementation needs special code for + supporting large precisions without arbitrary bounds.]) + AC_DEFINE([NEED_PRINTF_DOUBLE], [1], + [Define if the vasnprintf implementation needs special code for + 'double' arguments.]) + AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], + [Define if the vasnprintf implementation needs special code for + 'long double' arguments.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory +# conditions. +AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM], +[ + AC_REQUIRE([gl_PRINTF_ENOMEM]) + case "$gl_cv_func_printf_enomem" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_ENOMEM], [1], + [Define if the vasnprintf implementation needs special code for + surviving out-of-memory conditions.]) + AC_DEFINE([NEED_PRINTF_DOUBLE], [1], + [Define if the vasnprintf implementation needs special code for + 'double' arguments.]) + AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], [1], + [Define if the vasnprintf implementation needs special code for + 'long double' arguments.]) + ;; + esac +]) + +# Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance. +AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS], +[ + AC_REQUIRE([gl_PREREQ_VASNPRINTF]) + gl_PREREQ_VASNPRINTF_LONG_DOUBLE + gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE + gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE + gl_PREREQ_VASNPRINTF_DIRECTIVE_A + gl_PREREQ_VASNPRINTF_DIRECTIVE_F + gl_PREREQ_VASNPRINTF_DIRECTIVE_LS + gl_PREREQ_VASNPRINTF_FLAG_GROUPING + gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST + gl_PREREQ_VASNPRINTF_FLAG_ZERO + gl_PREREQ_VASNPRINTF_PRECISION + gl_PREREQ_VASNPRINTF_ENOMEM +]) + +# Prerequisites of lib/asnprintf.c. +AC_DEFUN([gl_PREREQ_ASNPRINTF], +[ +]) diff --git a/m4/vasprintf-posix.m4 b/m4/vasprintf-posix.m4 new file mode 100644 index 00000000..90159e2f --- /dev/null +++ b/m4/vasprintf-posix.m4 @@ -0,0 +1,101 @@ +# vasprintf-posix.m4 serial 13 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_VASPRINTF_POSIX], +[ + AC_REQUIRE([gl_PRINTF_SIZES_C99]) + AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) + AC_REQUIRE([gl_PRINTF_INFINITE]) + AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_A]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_F]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_N]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS]) + AC_REQUIRE([gl_PRINTF_POSITIONS]) + AC_REQUIRE([gl_PRINTF_FLAG_GROUPING]) + AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST]) + AC_REQUIRE([gl_PRINTF_FLAG_ZERO]) + AC_REQUIRE([gl_PRINTF_PRECISION]) + AC_REQUIRE([gl_PRINTF_ENOMEM]) + gl_cv_func_vasprintf_posix=no + AC_CHECK_FUNCS([vasprintf]) + case "$gl_cv_func_printf_sizes_c99" in + *yes) + case "$gl_cv_func_printf_long_double" in + *yes) + case "$gl_cv_func_printf_infinite" in + *yes) + case "$gl_cv_func_printf_infinite_long_double" in + *yes) + case "$gl_cv_func_printf_directive_a" in + *yes) + case "$gl_cv_func_printf_directive_f" in + *yes) + case "$gl_cv_func_printf_directive_n" in + *yes) + case "$gl_cv_func_printf_directive_ls" in + *yes) + case "$gl_cv_func_printf_positions" in + *yes) + case "$gl_cv_func_printf_flag_grouping" in + *yes) + case "$gl_cv_func_printf_flag_leftadjust" in + *yes) + case "$gl_cv_func_printf_flag_zero" in + *yes) + case "$gl_cv_func_printf_precision" in + *yes) + case "$gl_cv_func_printf_enomem" in + *yes) + if test $ac_cv_func_vasprintf = yes; then + # vasprintf exists and is + # already POSIX compliant. + gl_cv_func_vasprintf_posix=yes + fi + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + if test $gl_cv_func_vasprintf_posix = no; then + gl_PREREQ_VASNPRINTF_LONG_DOUBLE + gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE + gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE + gl_PREREQ_VASNPRINTF_DIRECTIVE_A + gl_PREREQ_VASNPRINTF_DIRECTIVE_F + gl_PREREQ_VASNPRINTF_DIRECTIVE_LS + gl_PREREQ_VASNPRINTF_FLAG_GROUPING + gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST + gl_PREREQ_VASNPRINTF_FLAG_ZERO + gl_PREREQ_VASNPRINTF_PRECISION + gl_PREREQ_VASNPRINTF_ENOMEM + gl_REPLACE_VASNPRINTF + gl_REPLACE_VASPRINTF + fi +]) diff --git a/m4/vasprintf.m4 b/m4/vasprintf.m4 new file mode 100644 index 00000000..205ceea6 --- /dev/null +++ b/m4/vasprintf.m4 @@ -0,0 +1,46 @@ +# vasprintf.m4 serial 6 +dnl Copyright (C) 2002-2003, 2006-2007, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_VASPRINTF], +[ + AC_CHECK_FUNCS([vasprintf]) + if test $ac_cv_func_vasprintf = no; then + gl_REPLACE_VASPRINTF + fi +]) + +AC_DEFUN([gl_REPLACE_VASPRINTF], +[ + AC_LIBOBJ([vasprintf]) + AC_LIBOBJ([asprintf]) + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + if test $ac_cv_func_vasprintf = yes; then + REPLACE_VASPRINTF=1 + else + HAVE_VASPRINTF=0 + fi + gl_PREREQ_VASPRINTF_H + gl_PREREQ_VASPRINTF + gl_PREREQ_ASPRINTF +]) + +# Prerequisites of the vasprintf portion of lib/stdio.h. +AC_DEFUN([gl_PREREQ_VASPRINTF_H], +[ + dnl Persuade glibc <stdio.h> to declare asprintf() and vasprintf(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) +]) + +# Prerequisites of lib/vasprintf.c. +AC_DEFUN([gl_PREREQ_VASPRINTF], +[ +]) + +# Prerequisites of lib/asprintf.c. +AC_DEFUN([gl_PREREQ_ASPRINTF], +[ +]) diff --git a/m4/version-etc.m4 b/m4/version-etc.m4 new file mode 100644 index 00000000..4c6c6786 --- /dev/null +++ b/m4/version-etc.m4 @@ -0,0 +1,33 @@ +# version-etc.m4 serial 1 +# Copyright (C) 2009-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +dnl $1 - configure flag and define name +dnl $2 - human readable description +m4_define([gl_VERSION_ETC_FLAG], +[dnl + AC_ARG_WITH([$1], [AS_HELP_STRING([--with-$1], [$2])], + [dnl + case $withval in + yes|no) ;; + *) AC_DEFINE_UNQUOTED(AS_TR_CPP([PACKAGE_$1]), ["$withval"], [$2]) ;; + esac + ]) +]) + +AC_DEFUN([gl_VERSION_ETC], +[dnl + gl_VERSION_ETC_FLAG([packager], + [String identifying the packager of this software]) + gl_VERSION_ETC_FLAG([packager-version], + [Packager-specific version information]) + gl_VERSION_ETC_FLAG([packager-bug-reports], + [Packager info for bug reports (URL/e-mail/...)]) + if test "X$with_packager" = "X" && \ + test "X$with_packager_version$with_packager_bug_reports" != "X" + then + AC_MSG_ERROR([The --with-packager-{bug-reports,version} options require --with-packager]) + fi +]) diff --git a/m4/vfprintf-posix.m4 b/m4/vfprintf-posix.m4 new file mode 100644 index 00000000..441bd57c --- /dev/null +++ b/m4/vfprintf-posix.m4 @@ -0,0 +1,110 @@ +# vfprintf-posix.m4 serial 14 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_VFPRINTF_POSIX], +[ + AC_REQUIRE([gl_PRINTF_SIZES_C99]) + AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) + AC_REQUIRE([gl_PRINTF_INFINITE]) + AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_A]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_F]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_N]) + AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS]) + AC_REQUIRE([gl_PRINTF_POSITIONS]) + AC_REQUIRE([gl_PRINTF_FLAG_GROUPING]) + AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST]) + AC_REQUIRE([gl_PRINTF_FLAG_ZERO]) + AC_REQUIRE([gl_PRINTF_PRECISION]) + AC_REQUIRE([gl_PRINTF_ENOMEM]) + gl_cv_func_vfprintf_posix=no + case "$gl_cv_func_printf_sizes_c99" in + *yes) + case "$gl_cv_func_printf_long_double" in + *yes) + case "$gl_cv_func_printf_infinite" in + *yes) + case "$gl_cv_func_printf_infinite_long_double" in + *yes) + case "$gl_cv_func_printf_directive_a" in + *yes) + case "$gl_cv_func_printf_directive_f" in + *yes) + case "$gl_cv_func_printf_directive_n" in + *yes) + case "$gl_cv_func_printf_directive_ls" in + *yes) + case "$gl_cv_func_printf_positions" in + *yes) + case "$gl_cv_func_printf_flag_grouping" in + *yes) + case "$gl_cv_func_printf_flag_leftadjust" in + *yes) + case "$gl_cv_func_printf_flag_zero" in + *yes) + case "$gl_cv_func_printf_precision" in + *yes) + case "$gl_cv_func_printf_enomem" in + *yes) + # vfprintf exists and is + # already POSIX compliant. + gl_cv_func_vfprintf_posix=yes + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + ;; + esac + if test $gl_cv_func_vfprintf_posix = no; then + gl_PREREQ_VASNPRINTF_LONG_DOUBLE + gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE + gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE + gl_PREREQ_VASNPRINTF_DIRECTIVE_A + gl_PREREQ_VASNPRINTF_DIRECTIVE_F + gl_PREREQ_VASNPRINTF_DIRECTIVE_LS + gl_PREREQ_VASNPRINTF_FLAG_GROUPING + gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST + gl_PREREQ_VASNPRINTF_FLAG_ZERO + gl_PREREQ_VASNPRINTF_PRECISION + gl_PREREQ_VASNPRINTF_ENOMEM + gl_REPLACE_VASNPRINTF + gl_REPLACE_VFPRINTF + fi +]) + +AC_DEFUN([gl_REPLACE_VFPRINTF], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_LIBOBJ([vfprintf]) + REPLACE_VFPRINTF=1 + AC_DEFINE([REPLACE_VFPRINTF_POSIX], [1], + [Define if vfprintf is overridden by a POSIX compliant gnulib implementation.]) + gl_PREREQ_VFPRINTF +]) + +AC_DEFUN([gl_PREREQ_VFPRINTF], [:]) diff --git a/m4/vprintf-posix.m4 b/m4/vprintf-posix.m4 new file mode 100644 index 00000000..0320352d --- /dev/null +++ b/m4/vprintf-posix.m4 @@ -0,0 +1,25 @@ +# vprintf-posix.m4 serial 3 +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_VPRINTF_POSIX], +[ + AC_REQUIRE([gl_FUNC_VFPRINTF_POSIX]) + if test $gl_cv_func_vfprintf_posix = no; then + gl_REPLACE_VPRINTF + fi +]) + +AC_DEFUN([gl_REPLACE_VPRINTF], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_LIBOBJ([vprintf]) + REPLACE_VPRINTF=1 + AC_DEFINE([REPLACE_VPRINTF_POSIX], [1], + [Define if vprintf is overridden by a POSIX compliant gnulib implementation.]) + gl_PREREQ_VPRINTF +]) + +AC_DEFUN([gl_PREREQ_VPRINTF], [:]) diff --git a/m4/wait-process.m4 b/m4/wait-process.m4 new file mode 100644 index 00000000..86c817c8 --- /dev/null +++ b/m4/wait-process.m4 @@ -0,0 +1,13 @@ +# wait-process.m4 serial 5 +dnl Copyright (C) 2003, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_WAIT_PROCESS], +[ + dnl Prerequisites of lib/wait-process.c. + AC_REQUIRE([AC_C_INLINE]) + AC_REQUIRE([gt_TYPE_SIG_ATOMIC_T]) + AC_CHECK_FUNCS([waitid]) +]) diff --git a/m4/waitpid.m4 b/m4/waitpid.m4 new file mode 100644 index 00000000..42a83bb2 --- /dev/null +++ b/m4/waitpid.m4 @@ -0,0 +1,14 @@ +# waitpid.m4 serial 2 +dnl Copyright (C) 2010-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_WAITPID], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + HAVE_WAITPID=1 + case $host_os in + mingw*) HAVE_WAITPID=0 ;; + esac +]) diff --git a/m4/warnings.m4 b/m4/warnings.m4 new file mode 100644 index 00000000..c14c4801 --- /dev/null +++ b/m4/warnings.m4 @@ -0,0 +1,42 @@ +# warnings.m4 serial 6 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Simon Josefsson + +# gl_AS_VAR_APPEND(VAR, VALUE) +# ---------------------------- +# Provide the functionality of AS_VAR_APPEND if Autoconf does not have it. +m4_ifdef([AS_VAR_APPEND], +[m4_copy([AS_VAR_APPEND], [gl_AS_VAR_APPEND])], +[m4_define([gl_AS_VAR_APPEND], +[AS_VAR_SET([$1], [AS_VAR_GET([$1])$2])])]) + + +# gl_WARN_ADD(PARAMETER, [VARIABLE = WARN_CFLAGS]) +# ------------------------------------------------ +# Adds parameter to WARN_CFLAGS if the compiler supports it. For example, +# gl_WARN_ADD([-Wparentheses]). +# +# If VARIABLE is a variable name, AC_SUBST it. +AC_DEFUN([gl_WARN_ADD], +dnl FIXME: gl_Warn must be used unquoted until we can assume +dnl autoconf 2.64 or newer. +[AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_[]_AC_LANG_ABBREV[]_$1])dnl +AS_VAR_PUSHDEF([gl_Flags], [_AC_LANG_PREFIX[]FLAGS])dnl +AC_CACHE_CHECK([whether _AC_LANG compiler handles $1], m4_defn([gl_Warn]), [ + gl_save_compiler_FLAGS="$gl_Flags" + gl_Flags="$gl_Flags $1" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], + [AS_VAR_SET(gl_Warn, [yes])], + [AS_VAR_SET(gl_Warn, [no])]) + gl_Flags="$gl_save_compiler_FLAGS" +]) +AS_VAR_IF(gl_Warn, [yes], + [gl_AS_VAR_APPEND(m4_if([$2], [], [[WARN_CFLAGS]], [[$2]]), [" $1"])]) +AS_VAR_POPDEF([gl_Flags])dnl +AS_VAR_POPDEF([gl_Warn])dnl +m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl +]) diff --git a/m4/wchar_h.m4 b/m4/wchar_h.m4 new file mode 100644 index 00000000..c7a8b2d7 --- /dev/null +++ b/m4/wchar_h.m4 @@ -0,0 +1,225 @@ +dnl A placeholder for ISO C99 <wchar.h>, for platforms that have issues. + +dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Eric Blake. + +# wchar_h.m4 serial 39 + +AC_DEFUN([gl_WCHAR_H], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + AC_REQUIRE([gl_WCHAR_H_INLINE_OK]) + dnl Prepare for creating substitute <wchar.h>. + dnl Check for <wchar.h> (missing in Linux uClibc when built without wide + dnl character support). + dnl <wchar.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([wchar.h]) + if test $ac_cv_header_wchar_h = yes; then + HAVE_WCHAR_H=1 + else + HAVE_WCHAR_H=0 + fi + AC_SUBST([HAVE_WCHAR_H]) + + AC_REQUIRE([gl_FEATURES_H]) + + AC_REQUIRE([gt_TYPE_WINT_T]) + if test $gt_cv_c_wint_t = yes; then + HAVE_WINT_T=1 + else + HAVE_WINT_T=0 + fi + AC_SUBST([HAVE_WINT_T]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#if !(defined __GLIBC__ && !defined __UCLIBC__) +# include <stddef.h> +# include <stdio.h> +# include <time.h> +#endif +#include <wchar.h> + ]], + [btowc wctob mbsinit mbrtowc mbrlen mbsrtowcs mbsnrtowcs wcrtomb + wcsrtombs wcsnrtombs wcwidth wmemchr wmemcmp wmemcpy wmemmove wmemset + wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat wcscmp + wcsncmp wcscasecmp wcsncasecmp wcscoll wcsxfrm wcsdup wcschr wcsrchr + wcscspn wcsspn wcspbrk wcsstr wcstok wcswidth + ]) +]) + +dnl Check whether <wchar.h> is usable at all. +AC_DEFUN([gl_WCHAR_H_INLINE_OK], +[ + dnl Test whether <wchar.h> suffers due to the transition from '__inline' to + dnl 'gnu_inline'. See <http://sourceware.org/bugzilla/show_bug.cgi?id=4022> + dnl and <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42440>. In summary, + dnl glibc version 2.5 or older, together with gcc version 4.3 or newer and + dnl the option -std=c99 or -std=gnu99, leads to a broken <wchar.h>. + AC_CACHE_CHECK([whether <wchar.h> uses 'inline' correctly], + [gl_cv_header_wchar_h_correct_inline], + [gl_cv_header_wchar_h_correct_inline=yes + AC_LANG_CONFTEST([ + AC_LANG_SOURCE([[#define wcstod renamed_wcstod +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +extern int zero (void); +int main () { return zero(); } +]])]) + if AC_TRY_EVAL([ac_compile]); then + mv conftest.$ac_objext conftest1.$ac_objext + AC_LANG_CONFTEST([ + AC_LANG_SOURCE([[#define wcstod renamed_wcstod +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int zero (void) { return 0; } +]])]) + if AC_TRY_EVAL([ac_compile]); then + mv conftest.$ac_objext conftest2.$ac_objext + if $CC -o conftest$ac_exeext $CFLAGS $LDFLAGS conftest1.$ac_objext conftest2.$ac_objext $LIBS >&AS_MESSAGE_LOG_FD 2>&1; then + : + else + gl_cv_header_wchar_h_correct_inline=no + fi + fi + fi + rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext + ]) + if test $gl_cv_header_wchar_h_correct_inline = no; then + AC_MSG_ERROR([<wchar.h> cannot be used with this compiler ($CC $CFLAGS $CPPFLAGS). +This is a known interoperability problem of glibc <= 2.5 with gcc >= 4.3 in +C99 mode. You have four options: + - Add the flag -fgnu89-inline to CC and reconfigure, or + - Fix your include files, using parts of + <http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=b037a293a48718af30d706c2e18c929d0e69a621>, or + - Use a gcc version older than 4.3, or + - Don't use the flags -std=c99 or -std=gnu99. +Configuration aborted.]) + fi +]) + +AC_DEFUN([gl_WCHAR_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_WCHAR_H_DEFAULTS], +[ + GNULIB_BTOWC=0; AC_SUBST([GNULIB_BTOWC]) + GNULIB_WCTOB=0; AC_SUBST([GNULIB_WCTOB]) + GNULIB_MBSINIT=0; AC_SUBST([GNULIB_MBSINIT]) + GNULIB_MBRTOWC=0; AC_SUBST([GNULIB_MBRTOWC]) + GNULIB_MBRLEN=0; AC_SUBST([GNULIB_MBRLEN]) + GNULIB_MBSRTOWCS=0; AC_SUBST([GNULIB_MBSRTOWCS]) + GNULIB_MBSNRTOWCS=0; AC_SUBST([GNULIB_MBSNRTOWCS]) + GNULIB_WCRTOMB=0; AC_SUBST([GNULIB_WCRTOMB]) + GNULIB_WCSRTOMBS=0; AC_SUBST([GNULIB_WCSRTOMBS]) + GNULIB_WCSNRTOMBS=0; AC_SUBST([GNULIB_WCSNRTOMBS]) + GNULIB_WCWIDTH=0; AC_SUBST([GNULIB_WCWIDTH]) + GNULIB_WMEMCHR=0; AC_SUBST([GNULIB_WMEMCHR]) + GNULIB_WMEMCMP=0; AC_SUBST([GNULIB_WMEMCMP]) + GNULIB_WMEMCPY=0; AC_SUBST([GNULIB_WMEMCPY]) + GNULIB_WMEMMOVE=0; AC_SUBST([GNULIB_WMEMMOVE]) + GNULIB_WMEMSET=0; AC_SUBST([GNULIB_WMEMSET]) + GNULIB_WCSLEN=0; AC_SUBST([GNULIB_WCSLEN]) + GNULIB_WCSNLEN=0; AC_SUBST([GNULIB_WCSNLEN]) + GNULIB_WCSCPY=0; AC_SUBST([GNULIB_WCSCPY]) + GNULIB_WCPCPY=0; AC_SUBST([GNULIB_WCPCPY]) + GNULIB_WCSNCPY=0; AC_SUBST([GNULIB_WCSNCPY]) + GNULIB_WCPNCPY=0; AC_SUBST([GNULIB_WCPNCPY]) + GNULIB_WCSCAT=0; AC_SUBST([GNULIB_WCSCAT]) + GNULIB_WCSNCAT=0; AC_SUBST([GNULIB_WCSNCAT]) + GNULIB_WCSCMP=0; AC_SUBST([GNULIB_WCSCMP]) + GNULIB_WCSNCMP=0; AC_SUBST([GNULIB_WCSNCMP]) + GNULIB_WCSCASECMP=0; AC_SUBST([GNULIB_WCSCASECMP]) + GNULIB_WCSNCASECMP=0; AC_SUBST([GNULIB_WCSNCASECMP]) + GNULIB_WCSCOLL=0; AC_SUBST([GNULIB_WCSCOLL]) + GNULIB_WCSXFRM=0; AC_SUBST([GNULIB_WCSXFRM]) + GNULIB_WCSDUP=0; AC_SUBST([GNULIB_WCSDUP]) + GNULIB_WCSCHR=0; AC_SUBST([GNULIB_WCSCHR]) + GNULIB_WCSRCHR=0; AC_SUBST([GNULIB_WCSRCHR]) + GNULIB_WCSCSPN=0; AC_SUBST([GNULIB_WCSCSPN]) + GNULIB_WCSSPN=0; AC_SUBST([GNULIB_WCSSPN]) + GNULIB_WCSPBRK=0; AC_SUBST([GNULIB_WCSPBRK]) + GNULIB_WCSSTR=0; AC_SUBST([GNULIB_WCSSTR]) + GNULIB_WCSTOK=0; AC_SUBST([GNULIB_WCSTOK]) + GNULIB_WCSWIDTH=0; AC_SUBST([GNULIB_WCSWIDTH]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_BTOWC=1; AC_SUBST([HAVE_BTOWC]) + HAVE_MBSINIT=1; AC_SUBST([HAVE_MBSINIT]) + HAVE_MBRTOWC=1; AC_SUBST([HAVE_MBRTOWC]) + HAVE_MBRLEN=1; AC_SUBST([HAVE_MBRLEN]) + HAVE_MBSRTOWCS=1; AC_SUBST([HAVE_MBSRTOWCS]) + HAVE_MBSNRTOWCS=1; AC_SUBST([HAVE_MBSNRTOWCS]) + HAVE_WCRTOMB=1; AC_SUBST([HAVE_WCRTOMB]) + HAVE_WCSRTOMBS=1; AC_SUBST([HAVE_WCSRTOMBS]) + HAVE_WCSNRTOMBS=1; AC_SUBST([HAVE_WCSNRTOMBS]) + HAVE_WMEMCHR=1; AC_SUBST([HAVE_WMEMCHR]) + HAVE_WMEMCMP=1; AC_SUBST([HAVE_WMEMCMP]) + HAVE_WMEMCPY=1; AC_SUBST([HAVE_WMEMCPY]) + HAVE_WMEMMOVE=1; AC_SUBST([HAVE_WMEMMOVE]) + HAVE_WMEMSET=1; AC_SUBST([HAVE_WMEMSET]) + HAVE_WCSLEN=1; AC_SUBST([HAVE_WCSLEN]) + HAVE_WCSNLEN=1; AC_SUBST([HAVE_WCSNLEN]) + HAVE_WCSCPY=1; AC_SUBST([HAVE_WCSCPY]) + HAVE_WCPCPY=1; AC_SUBST([HAVE_WCPCPY]) + HAVE_WCSNCPY=1; AC_SUBST([HAVE_WCSNCPY]) + HAVE_WCPNCPY=1; AC_SUBST([HAVE_WCPNCPY]) + HAVE_WCSCAT=1; AC_SUBST([HAVE_WCSCAT]) + HAVE_WCSNCAT=1; AC_SUBST([HAVE_WCSNCAT]) + HAVE_WCSCMP=1; AC_SUBST([HAVE_WCSCMP]) + HAVE_WCSNCMP=1; AC_SUBST([HAVE_WCSNCMP]) + HAVE_WCSCASECMP=1; AC_SUBST([HAVE_WCSCASECMP]) + HAVE_WCSNCASECMP=1; AC_SUBST([HAVE_WCSNCASECMP]) + HAVE_WCSCOLL=1; AC_SUBST([HAVE_WCSCOLL]) + HAVE_WCSXFRM=1; AC_SUBST([HAVE_WCSXFRM]) + HAVE_WCSDUP=1; AC_SUBST([HAVE_WCSDUP]) + HAVE_WCSCHR=1; AC_SUBST([HAVE_WCSCHR]) + HAVE_WCSRCHR=1; AC_SUBST([HAVE_WCSRCHR]) + HAVE_WCSCSPN=1; AC_SUBST([HAVE_WCSCSPN]) + HAVE_WCSSPN=1; AC_SUBST([HAVE_WCSSPN]) + HAVE_WCSPBRK=1; AC_SUBST([HAVE_WCSPBRK]) + HAVE_WCSSTR=1; AC_SUBST([HAVE_WCSSTR]) + HAVE_WCSTOK=1; AC_SUBST([HAVE_WCSTOK]) + HAVE_WCSWIDTH=1; AC_SUBST([HAVE_WCSWIDTH]) + HAVE_DECL_WCTOB=1; AC_SUBST([HAVE_DECL_WCTOB]) + HAVE_DECL_WCWIDTH=1; AC_SUBST([HAVE_DECL_WCWIDTH]) + REPLACE_MBSTATE_T=0; AC_SUBST([REPLACE_MBSTATE_T]) + REPLACE_BTOWC=0; AC_SUBST([REPLACE_BTOWC]) + REPLACE_WCTOB=0; AC_SUBST([REPLACE_WCTOB]) + REPLACE_MBSINIT=0; AC_SUBST([REPLACE_MBSINIT]) + REPLACE_MBRTOWC=0; AC_SUBST([REPLACE_MBRTOWC]) + REPLACE_MBRLEN=0; AC_SUBST([REPLACE_MBRLEN]) + REPLACE_MBSRTOWCS=0; AC_SUBST([REPLACE_MBSRTOWCS]) + REPLACE_MBSNRTOWCS=0; AC_SUBST([REPLACE_MBSNRTOWCS]) + REPLACE_WCRTOMB=0; AC_SUBST([REPLACE_WCRTOMB]) + REPLACE_WCSRTOMBS=0; AC_SUBST([REPLACE_WCSRTOMBS]) + REPLACE_WCSNRTOMBS=0; AC_SUBST([REPLACE_WCSNRTOMBS]) + REPLACE_WCWIDTH=0; AC_SUBST([REPLACE_WCWIDTH]) + REPLACE_WCSWIDTH=0; AC_SUBST([REPLACE_WCSWIDTH]) +]) diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4 new file mode 100644 index 00000000..534735d8 --- /dev/null +++ b/m4/wchar_t.m4 @@ -0,0 +1,24 @@ +# wchar_t.m4 serial 4 (gettext-0.18.2) +dnl Copyright (C) 2002-2003, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. +dnl Test whether <stddef.h> has the 'wchar_t' type. +dnl Prerequisite: AC_PROG_CC + +AC_DEFUN([gt_TYPE_WCHAR_T], +[ + AC_CACHE_CHECK([for wchar_t], [gt_cv_c_wchar_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stddef.h> + wchar_t foo = (wchar_t)'\0';]], + [[]])], + [gt_cv_c_wchar_t=yes], + [gt_cv_c_wchar_t=no])]) + if test $gt_cv_c_wchar_t = yes; then + AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.]) + fi +]) diff --git a/m4/wcrtomb.m4 b/m4/wcrtomb.m4 new file mode 100644 index 00000000..00d7302e --- /dev/null +++ b/m4/wcrtomb.m4 @@ -0,0 +1,112 @@ +# wcrtomb.m4 serial 11 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_WCRTOMB], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + + AC_REQUIRE([AC_TYPE_MBSTATE_T]) + gl_MBSTATE_T_BROKEN + + AC_CHECK_FUNCS_ONCE([wcrtomb]) + if test $ac_cv_func_wcrtomb = no; then + HAVE_WCRTOMB=0 + AC_CHECK_DECLS([wcrtomb],,, [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +]]) + if test $ac_cv_have_decl_wcrtomb = yes; then + dnl On Minix 3.1.8, the system's <wchar.h> declares wcrtomb() although + dnl it does not have the function. Avoid a collision with gnulib's + dnl replacement. + REPLACE_WCRTOMB=1 + fi + else + if test $REPLACE_MBSTATE_T = 1; then + REPLACE_WCRTOMB=1 + else + dnl On AIX 4.3, OSF/1 5.1 and Solaris 10, wcrtomb (NULL, 0, NULL) sometimes + dnl returns 0 instead of 1. + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR]) + AC_REQUIRE([gt_LOCALE_FR_UTF8]) + AC_REQUIRE([gt_LOCALE_JA]) + AC_REQUIRE([gt_LOCALE_ZH_CN]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether wcrtomb return value is correct], + [gl_cv_func_wcrtomb_retval], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on AIX 4, OSF/1 and Solaris. + aix4* | osf* | solaris*) gl_cv_func_wcrtomb_retval="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_wcrtomb_retval="guessing yes" ;; + esac +changequote([,])dnl + if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + int result = 0; + if (setlocale (LC_ALL, "$LOCALE_FR") != NULL) + { + if (wcrtomb (NULL, 0, NULL) != 1) + result |= 1; + } + if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL) + { + if (wcrtomb (NULL, 0, NULL) != 1) + result |= 2; + } + if (setlocale (LC_ALL, "$LOCALE_JA") != NULL) + { + if (wcrtomb (NULL, 0, NULL) != 1) + result |= 4; + } + if (setlocale (LC_ALL, "$LOCALE_ZH_CN") != NULL) + { + if (wcrtomb (NULL, 0, NULL) != 1) + result |= 8; + } + return result; +}]])], + [gl_cv_func_wcrtomb_retval=yes], + [gl_cv_func_wcrtomb_retval=no], + [:]) + fi + ]) + case "$gl_cv_func_wcrtomb_retval" in + *yes) ;; + *) REPLACE_WCRTOMB=1 ;; + esac + fi + fi +]) + +# Prerequisites of lib/wcrtomb.c. +AC_DEFUN([gl_PREREQ_WCRTOMB], [ + : +]) diff --git a/m4/wcswidth.m4 b/m4/wcswidth.m4 new file mode 100644 index 00000000..8e2925a7 --- /dev/null +++ b/m4/wcswidth.m4 @@ -0,0 +1,21 @@ +# wcswidth.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_WCSWIDTH], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + AC_REQUIRE([gl_FUNC_WCWIDTH]) + AC_CHECK_FUNCS_ONCE([wcswidth]) + if test $ac_cv_func_wcswidth = no; then + HAVE_WCSWIDTH=0 + else + if test $REPLACE_WCWIDTH = 1; then + dnl If wcwidth needed to be replaced, wcswidth needs to be replaced + dnl as well. + REPLACE_WCSWIDTH=1 + fi + fi +]) diff --git a/m4/wctob.m4 b/m4/wctob.m4 new file mode 100644 index 00000000..786c881d --- /dev/null +++ b/m4/wctob.m4 @@ -0,0 +1,127 @@ +# wctob.m4 serial 10 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_WCTOB], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + + AC_CHECK_FUNCS_ONCE([wctob]) + if test $ac_cv_func_wctob = no; then + HAVE_WCTOB=0 + HAVE_DECL_WCTOB=0 + else + HAVE_WCTOB=1 + + dnl Solaris 9 has the wctob() function but it does not work. + dnl Cygwin 1.7.2 has the wctob() function but it clobbers caller-owned + dnl registers, see <http://cygwin.com/ml/cygwin/2010-05/msg00015.html>. + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gt_LOCALE_FR]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_CACHE_CHECK([whether wctob works], + [gl_cv_func_wctob_works], + [ + dnl Initial guess, used when cross-compiling or when no suitable locale + dnl is present. +changequote(,)dnl + case "$host_os" in + # Guess no on Solaris <= 9 and Cygwin. + solaris2.[1-9] | solaris2.[1-9].* | cygwin*) + gl_cv_func_wctob_works="guessing no" ;; + # Guess yes otherwise. + *) gl_cv_func_wctob_works="guessing yes" ;; + esac +changequote([,])dnl + case "$host_os" in + cygwin*) + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> + +register long global __asm__ ("%ebx"); + +int main () +{ + setlocale (LC_ALL, "en_US.UTF-8"); + + global = 0x12345678; + if (wctob (0x00FC) != -1) + return 1; + if (global != 0x12345678) + return 2; + return 0; +}]])], + [:], + [gl_cv_func_wctob_works=no], + [:]) + ;; + esac + if test "$gl_cv_func_wctob_works" != no && test $LOCALE_FR != none; then + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +int main () +{ + if (setlocale (LC_ALL, "$LOCALE_FR") != NULL) + { + wchar_t wc; + + if (mbtowc (&wc, "\374", 1) == 1) + if (wctob (wc) != (unsigned char) '\374') + return 1; + } + return 0; +}]])], + [gl_cv_func_wctob_works=yes], + [gl_cv_func_wctob_works=no], + [:]) + fi + ]) + case "$gl_cv_func_wctob_works" in + *yes) ;; + *) REPLACE_WCTOB=1 ;; + esac + if test $REPLACE_WCTOB = 0; then + + dnl IRIX 6.5 has the wctob() function but does not declare it. + AC_CHECK_DECLS([wctob], [], [], [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included + before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +]]) + if test $ac_cv_have_decl_wctob != yes; then + HAVE_DECL_WCTOB=0 + fi + fi + fi +]) + +# Prerequisites of lib/wctob.c. +AC_DEFUN([gl_PREREQ_WCTOB], [ + : +]) diff --git a/m4/wctomb.m4 b/m4/wctomb.m4 new file mode 100644 index 00000000..88fd6be8 --- /dev/null +++ b/m4/wctomb.m4 @@ -0,0 +1,19 @@ +# wctomb.m4 serial 2 +dnl Copyright (C) 2011-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_WCTOMB], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + + if false; then + REPLACE_WCTOMB=1 + fi +]) + +# Prerequisites of lib/wctomb.c. +AC_DEFUN([gl_PREREQ_WCTOMB], [ + : +]) diff --git a/m4/wctype_h.m4 b/m4/wctype_h.m4 new file mode 100644 index 00000000..4b19f643 --- /dev/null +++ b/m4/wctype_h.m4 @@ -0,0 +1,211 @@ +# wctype_h.m4 serial 17 + +dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it. + +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_WCTYPE_H], +[ + AC_REQUIRE([gl_WCTYPE_H_DEFAULTS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CHECK_FUNCS_ONCE([iswcntrl]) + if test $ac_cv_func_iswcntrl = yes; then + HAVE_ISWCNTRL=1 + else + HAVE_ISWCNTRL=0 + fi + AC_SUBST([HAVE_ISWCNTRL]) + + AC_REQUIRE([AC_C_INLINE]) + + AC_REQUIRE([gt_TYPE_WINT_T]) + if test $gt_cv_c_wint_t = yes; then + HAVE_WINT_T=1 + else + HAVE_WINT_T=0 + fi + AC_SUBST([HAVE_WINT_T]) + + gl_CHECK_NEXT_HEADERS([wctype.h]) + if test $ac_cv_header_wctype_h = yes; then + if test $ac_cv_func_iswcntrl = yes; then + dnl Linux libc5 has an iswprint function that returns 0 for all arguments. + dnl The other functions are likely broken in the same way. + AC_CACHE_CHECK([whether iswcntrl works], [gl_cv_func_iswcntrl_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ + /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be + included before <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> + must be included before <wchar.h>. */ + #include <stddef.h> + #include <stdio.h> + #include <time.h> + #include <wchar.h> + #include <wctype.h> + int main () { return iswprint ('x') == 0; } + ]])], + [gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h> + #if __GNU_LIBRARY__ == 1 + Linux libc5 i18n is broken. + #endif]], [])], + [gl_cv_func_iswcntrl_works="guessing yes"], + [gl_cv_func_iswcntrl_works="guessing no"]) + ]) + ]) + fi + HAVE_WCTYPE_H=1 + else + HAVE_WCTYPE_H=0 + fi + AC_SUBST([HAVE_WCTYPE_H]) + + case "$gl_cv_func_iswcntrl_works" in + *yes) REPLACE_ISWCNTRL=0 ;; + *) REPLACE_ISWCNTRL=1 ;; + esac + AC_SUBST([REPLACE_ISWCNTRL]) + + if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then + dnl Redefine all of iswcntrl, ..., iswxdigit in <wctype.h>. + : + fi + + if test $REPLACE_ISWCNTRL = 1; then + REPLACE_TOWLOWER=1 + else + AC_CHECK_FUNCS([towlower]) + if test $ac_cv_func_towlower = yes; then + REPLACE_TOWLOWER=0 + else + AC_CHECK_DECLS([towlower],,, + [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be + included before <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> + must be included before <wchar.h>. */ + #include <stddef.h> + #include <stdio.h> + #include <time.h> + #include <wchar.h> + #if HAVE_WCTYPE_H + # include <wctype.h> + #endif + ]]) + if test $ac_cv_have_decl_towlower = yes; then + dnl On Minix 3.1.8, the system's <wctype.h> declares towlower() and + dnl towupper() although it does not have the functions. Avoid a + dnl collision with gnulib's replacement. + REPLACE_TOWLOWER=1 + else + REPLACE_TOWLOWER=0 + fi + fi + fi + AC_SUBST([REPLACE_TOWLOWER]) + + if test $HAVE_ISWCNTRL = 0 || test $REPLACE_TOWLOWER = 1; then + dnl Redefine towlower, towupper in <wctype.h>. + : + fi + + dnl We assume that the wctype() and iswctype() functions exist if and only + dnl if the type wctype_t is defined in <wchar.h> or in <wctype.h> if that + dnl exists. + dnl HP-UX 11.00 declares all these in <wchar.h> and lacks <wctype.h>. + AC_CACHE_CHECK([for wctype_t], [gl_cv_type_wctype_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be + included before <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> + must be included before <wchar.h>. */ + #include <stddef.h> + #include <stdio.h> + #include <time.h> + #include <wchar.h> + #if HAVE_WCTYPE_H + # include <wctype.h> + #endif + wctype_t a; + ]], + [[]])], + [gl_cv_type_wctype_t=yes], + [gl_cv_type_wctype_t=no]) + ]) + if test $gl_cv_type_wctype_t = no; then + HAVE_WCTYPE_T=0 + fi + + dnl We assume that the wctrans() and towctrans() functions exist if and only + dnl if the type wctrans_t is defined in <wctype.h>. + AC_CACHE_CHECK([for wctrans_t], [gl_cv_type_wctrans_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be + included before <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> + must be included before <wchar.h>. */ + #include <stddef.h> + #include <stdio.h> + #include <time.h> + #include <wchar.h> + #include <wctype.h> + wctrans_t a; + ]], + [[]])], + [gl_cv_type_wctrans_t=yes], + [gl_cv_type_wctrans_t=no]) + ]) + if test $gl_cv_type_wctrans_t = no; then + HAVE_WCTRANS_T=0 + fi + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be + included before <wchar.h>. */ +#if !(defined __GLIBC__ && !defined __UCLIBC__) +# include <stddef.h> +# include <stdio.h> +# include <time.h> +# include <wchar.h> +#endif +#include <wctype.h> + ]], + [wctype iswctype wctrans towctrans + ]) +]) + +AC_DEFUN([gl_WCTYPE_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_WCTYPE_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +AC_DEFUN([gl_WCTYPE_H_DEFAULTS], +[ + GNULIB_ISWBLANK=0; AC_SUBST([GNULIB_ISWBLANK]) + GNULIB_WCTYPE=0; AC_SUBST([GNULIB_WCTYPE]) + GNULIB_ISWCTYPE=0; AC_SUBST([GNULIB_ISWCTYPE]) + GNULIB_WCTRANS=0; AC_SUBST([GNULIB_WCTRANS]) + GNULIB_TOWCTRANS=0; AC_SUBST([GNULIB_TOWCTRANS]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_ISWBLANK=1; AC_SUBST([HAVE_ISWBLANK]) + HAVE_WCTYPE_T=1; AC_SUBST([HAVE_WCTYPE_T]) + HAVE_WCTRANS_T=1; AC_SUBST([HAVE_WCTRANS_T]) + REPLACE_ISWBLANK=0; AC_SUBST([REPLACE_ISWBLANK]) +]) diff --git a/m4/wcwidth.m4 b/m4/wcwidth.m4 new file mode 100644 index 00000000..196c940e --- /dev/null +++ b/m4/wcwidth.m4 @@ -0,0 +1,101 @@ +# wcwidth.m4 serial 22 +dnl Copyright (C) 2006-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_WCWIDTH], +[ + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Persuade glibc <wchar.h> to declare wcwidth(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gt_TYPE_WCHAR_T]) + AC_REQUIRE([gt_TYPE_WINT_T]) + + AC_CHECK_HEADERS_ONCE([wchar.h]) + AC_CHECK_FUNCS_ONCE([wcwidth]) + + AC_CHECK_DECLS([wcwidth], [], [], [[ +/* AIX 3.2.5 declares wcwidth in <string.h>. */ +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included + before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +]]) + if test $ac_cv_have_decl_wcwidth != yes; then + HAVE_DECL_WCWIDTH=0 + fi + + if test $ac_cv_func_wcwidth = yes; then + HAVE_WCWIDTH=1 + dnl On MacOS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1. + dnl On OpenBSD 5.0, wcwidth(0x05B0) (HEBREW POINT SHEVA) returns 1. + dnl On OSF/1 5.1, wcwidth(0x200B) (ZERO WIDTH SPACE) returns 1. + dnl This leads to bugs in 'ls' (coreutils). + AC_CACHE_CHECK([whether wcwidth works reasonably in UTF-8 locales], + [gl_cv_func_wcwidth_works], + [ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include <locale.h> +/* AIX 3.2.5 declares wcwidth in <string.h>. */ +#include <string.h> +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included + before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> +#if !HAVE_DECL_WCWIDTH +extern +# ifdef __cplusplus +"C" +# endif +int wcwidth (int); +#endif +int main () +{ + int result = 0; + if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL) + { + if (wcwidth (0x0301) > 0) + result |= 1; + if (wcwidth (0x05B0) > 0) + result |= 2; + if (wcwidth (0x200B) > 0) + result |= 4; + } + return result; +}]])], + [gl_cv_func_wcwidth_works=yes], + [gl_cv_func_wcwidth_works=no], + [ +changequote(,)dnl + case "$host_os" in + # Guess yes on glibc and AIX 7 systems. + *-gnu* | aix[7-9]*) gl_cv_func_wcwidth_works="guessing yes";; + *) gl_cv_func_wcwidth_works="guessing no";; + esac +changequote([,])dnl + ]) + ]) + case "$gl_cv_func_wcwidth_works" in + *yes) ;; + *no) REPLACE_WCWIDTH=1 ;; + esac + else + HAVE_WCWIDTH=0 + fi + dnl We don't substitute HAVE_WCWIDTH. We assume that if the system does not + dnl have the wcwidth function, then it does not declare it. +]) diff --git a/m4/wint_t.m4 b/m4/wint_t.m4 new file mode 100644 index 00000000..3260cce3 --- /dev/null +++ b/m4/wint_t.m4 @@ -0,0 +1,32 @@ +# wint_t.m4 serial 5 (gettext-0.18.2) +dnl Copyright (C) 2003, 2007-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. +dnl Test whether <wchar.h> has the 'wint_t' type. +dnl Prerequisite: AC_PROG_CC + +AC_DEFUN([gt_TYPE_WINT_T], +[ + AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included + before <wchar.h>. */ +#include <stddef.h> +#include <stdio.h> +#include <time.h> +#include <wchar.h> + wint_t foo = (wchar_t)'\0';]], + [[]])], + [gt_cv_c_wint_t=yes], + [gt_cv_c_wint_t=no])]) + if test $gt_cv_c_wint_t = yes; then + AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.]) + fi +]) diff --git a/m4/write-any-file.m4 b/m4/write-any-file.m4 new file mode 100644 index 00000000..5f06927e --- /dev/null +++ b/m4/write-any-file.m4 @@ -0,0 +1,14 @@ +# Determine whether we can write any file. + +# Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Paul Eggert. + +AC_DEFUN([gl_WRITE_ANY_FILE], +[ + AC_CHECK_HEADERS_ONCE([priv.h]) +]) diff --git a/m4/write.m4 b/m4/write.m4 new file mode 100644 index 00000000..a6b12298 --- /dev/null +++ b/m4/write.m4 @@ -0,0 +1,35 @@ +# write.m4 serial 4 +dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_WRITE], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_MSVC_INVAL]) + if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then + REPLACE_WRITE=1 + fi + dnl This ifdef is just an optimization, to avoid performing a configure + dnl check whose result is not used. It does not make the test of + dnl GNULIB_UNISTD_H_SIGPIPE or GNULIB_SIGPIPE redundant. + m4_ifdef([gl_SIGNAL_SIGPIPE], [ + gl_SIGNAL_SIGPIPE + if test $gl_cv_header_signal_h_SIGPIPE != yes; then + REPLACE_WRITE=1 + fi + ]) + m4_ifdef([gl_NONBLOCKING_IO], [ + gl_NONBLOCKING_IO + if test $gl_cv_have_nonblocking != yes; then + REPLACE_WRITE=1 + fi + ]) +]) + +# Prerequisites of lib/write.c. +AC_DEFUN([gl_PREREQ_WRITE], +[ + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/xalloc.m4 b/m4/xalloc.m4 new file mode 100644 index 00000000..f47b649b --- /dev/null +++ b/m4/xalloc.m4 @@ -0,0 +1,22 @@ +# xalloc.m4 serial 17 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_XALLOC], +[ + gl_PREREQ_XALLOC + gl_PREREQ_XMALLOC +]) + +# Prerequisites of lib/xalloc.h. +AC_DEFUN([gl_PREREQ_XALLOC], [ + AC_REQUIRE([gl_INLINE]) + : +]) + +# Prerequisites of lib/xmalloc.c. +AC_DEFUN([gl_PREREQ_XMALLOC], [ + : +]) diff --git a/m4/xattr.m4 b/m4/xattr.m4 new file mode 100644 index 00000000..83149f27 --- /dev/null +++ b/m4/xattr.m4 @@ -0,0 +1,44 @@ +# xattr.m4 - check for Extended Attributes (Linux) +# serial 3 + +# Copyright (C) 2003-2012 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Originally written by Andreas Gruenbacher. +# http://www.suse.de/~agruen/coreutils/5.91/coreutils-xattr.diff + +AC_DEFUN([gl_FUNC_XATTR], +[ + AC_ARG_ENABLE([xattr], + AC_HELP_STRING([--disable-xattr], + [do not support extended attributes]), + [use_xattr=$enableval], [use_xattr=yes]) + + LIB_XATTR= + AC_SUBST([LIB_XATTR]) + + if test "$use_xattr" = "yes"; then + AC_CHECK_HEADERS([attr/error_context.h attr/libattr.h]) + use_xattr=no + if test $ac_cv_header_attr_libattr_h = yes \ + && test $ac_cv_header_attr_error_context_h = yes; then + xattr_saved_LIBS=$LIBS + AC_SEARCH_LIBS([attr_copy_file], [attr], + [test "$ac_cv_search_attr_copy_file" = "none required" || + LIB_XATTR=$ac_cv_search_attr_copy_file]) + AC_CHECK_FUNCS([attr_copy_file]) + LIBS=$xattr_saved_LIBS + if test $ac_cv_func_attr_copy_file = yes; then + use_xattr=yes + fi + fi + if test $use_xattr = no; then + AC_MSG_WARN([libattr development library was not found or not usable.]) + AC_MSG_WARN([AC_PACKAGE_NAME will be built without xattr support.]) + fi + fi + AC_DEFINE_UNQUOTED([USE_XATTR], [`test $use_xattr != yes; echo $?`], + [Define if you want extended attribute support.]) +]) diff --git a/m4/xfts.m4 b/m4/xfts.m4 new file mode 100644 index 00000000..ce556925 --- /dev/null +++ b/m4/xfts.m4 @@ -0,0 +1,14 @@ +#serial 1 +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_XFTS], +[ + AC_LIBSOURCES([xfts.c, xfts.h]) + AC_LIBOBJ([xfts]) + + dnl Prerequisites of lib/xfts.c. + : +]) diff --git a/m4/xgetcwd.m4 b/m4/xgetcwd.m4 new file mode 100644 index 00000000..fa2c87e3 --- /dev/null +++ b/m4/xgetcwd.m4 @@ -0,0 +1,10 @@ +#serial 8 +dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_XGETCWD], +[ + : +]) diff --git a/m4/xnanosleep.m4 b/m4/xnanosleep.m4 new file mode 100644 index 00000000..916485e9 --- /dev/null +++ b/m4/xnanosleep.m4 @@ -0,0 +1,12 @@ +#serial 5 +dnl Copyright (C) 2005-2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_XNANOSLEEP], +[ + : +]) diff --git a/m4/xsize.m4 b/m4/xsize.m4 new file mode 100644 index 00000000..b3b7feeb --- /dev/null +++ b/m4/xsize.m4 @@ -0,0 +1,13 @@ +# xsize.m4 serial 4 +dnl Copyright (C) 2003-2004, 2008-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_XSIZE], +[ + dnl Prerequisites of lib/xsize.h. + AC_REQUIRE([gl_SIZE_MAX]) + AC_REQUIRE([AC_C_INLINE]) + AC_CHECK_HEADERS([stdint.h]) +]) diff --git a/m4/xstrndup.m4 b/m4/xstrndup.m4 new file mode 100644 index 00000000..1642ca51 --- /dev/null +++ b/m4/xstrndup.m4 @@ -0,0 +1,15 @@ +# xstrndup.m4 serial 2 +dnl Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_XSTRNDUP], +[ + gl_PREREQ_XSTRNDUP +]) + +# Prerequisites of lib/xstrndup.c. +AC_DEFUN([gl_PREREQ_XSTRNDUP], [ + : +]) diff --git a/m4/xstrtod.m4 b/m4/xstrtod.m4 new file mode 100644 index 00000000..f871f6c8 --- /dev/null +++ b/m4/xstrtod.m4 @@ -0,0 +1,18 @@ +#serial 8 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Prerequisites of lib/xstrtod.c. +AC_DEFUN([gl_XSTRTOD], +[ + : +]) + +# Prerequisites of lib/xstrtold.c. +AC_DEFUN([gl_XSTRTOLD], +[ + : +]) diff --git a/m4/xstrtol.m4 b/m4/xstrtol.m4 new file mode 100644 index 00000000..76f8f96e --- /dev/null +++ b/m4/xstrtol.m4 @@ -0,0 +1,10 @@ +#serial 11 +dnl Copyright (C) 2002-2007, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_XSTRTOL], +[ + : +]) diff --git a/m4/xvasprintf.m4 b/m4/xvasprintf.m4 new file mode 100644 index 00000000..0e19debd --- /dev/null +++ b/m4/xvasprintf.m4 @@ -0,0 +1,11 @@ +# xvasprintf.m4 serial 1 +dnl Copyright (C) 2006, 2009-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_XVASPRINTF], +[ + dnl Prerequisites of lib/xvasprintf.c. + AC_REQUIRE([AC_C_INLINE]) +]) diff --git a/m4/yesno.m4 b/m4/yesno.m4 new file mode 100644 index 00000000..00749c46 --- /dev/null +++ b/m4/yesno.m4 @@ -0,0 +1,12 @@ +# yesno.m4 serial 6 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2012 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_YESNO], +[ + dnl No prerequisites of lib/yesno.c. + : +]) diff --git a/m4/yield.m4 b/m4/yield.m4 new file mode 100644 index 00000000..94e69c47 --- /dev/null +++ b/m4/yield.m4 @@ -0,0 +1,19 @@ +# yield.m4 serial 2 +dnl Copyright (C) 2005-2012 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_YIELD], +[ + AC_REQUIRE([gl_THREADLIB]) + dnl On some systems, sched_yield is in librt, rather than in libpthread. + YIELD_LIB= + if test $gl_threads_api = posix; then + dnl Solaris has sched_yield in librt, not in libpthread or libc. + AC_CHECK_LIB([rt], [sched_yield], [YIELD_LIB=-lrt], + [dnl Solaris 2.5.1, 2.6 has sched_yield in libposix4, not librt. + AC_CHECK_LIB([posix4], [sched_yield], [YIELD_LIB=-lposix4])]) + fi + AC_SUBST([YIELD_LIB]) +]) |