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dnl $Id: configure.ac,v 1.10 2007/03/07 19:18:39 rillig Exp $
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.57)
AC_INIT([sed],[20040821],[agc@NetBSD.org])
AC_CONFIG_SRCDIR([main.c])
AC_CONFIG_HEADER(config.h)
AC_ARG_PROGRAM
AC_CANONICAL_HOST
CANONICAL_HOST=$host
AC_SUBST(CANONICAL_HOST)
# Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_AWK
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
AUTOCONF=${AUTOCONF-"$srcdir/missing --run autoconf"}
AC_SUBST(AUTOCONF)
AUTOHEADER=${AUTOHEADER-"$srcdir/missing --run autoheader"}
AC_SUBST(AUTOHEADER)
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([ctype.h err.h errno.h fcntl.h limits.h regex.h stdarg.h])
AC_CHECK_HEADERS([stddef.h stdio.h stdlib.h string.h termios.h unistd.h])
AC_CHECK_HEADERS([sys/cdefs.h sys/ioctl.h sys/stat.h sys/types.h sys/uio.h])
dnl Check for functions
AC_CHECK_FUNCS(regcomp)
AC_CHECK_FUNCS(regexec)
AC_CHECK_FUNCS(memcpy)
AC_MSG_CHECKING([for working REG_STARTEND])
AC_TRY_RUN([
#undef NDEBUG
#include <assert.h>
#include <regex.h>
int main(void) {
regex_t re;
regmatch_t rm;
assert(regcomp(&re, "lo", 0) == 0);
rm.rm_so = 0, rm.rm_eo = 7;
assert(regexec(&re, "hel\0lo\n", 1, &rm, REG_STARTEND) == 0);
assert(rm.rm_so == 4 && rm.rm_eo == 6);
return 0;
}], [AC_DEFINE([HAVE_REG_STARTEND], [1], [Do you have a working REG_STARTEND?])
AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
# Checks for library functions.
AC_FUNC_STRERROR_R
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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