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dnl Process this file with autoconf to produce a configure script.
AC_INIT(dwarfdump.cc)
AC_CONFIG_HEADER(config.h)
AC_PROG_CC
AC_PROG_CXX
AC_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(AR, ar)
dnl AC_ARFLAGS
AC_CHECK_HEADERS(elf.h getopt.h libelf.h libelf/libelf.h sgidefs.h sys/types.h)
AC_CHECK_LIB(elf,elf64_getehdr,
AC_DEFINE(HAVE_ELF64_GETEHDR,1,
[Define to 1 if the elf64_getehdr function is in libelf.a.]))
dnl Find out where the elf header is.
if test "$ac_cv_header_elf_h" = yes; then
AC_DEFINE(LOCATION_OF_LIBELFHEADER,[<elf.h>], [Define to header that first defines elf])
elif test "$ac_cv_header_libelf_h" = yes; then
AC_DEFINE(LOCATION_OF_LIBELFHEADER, [<libelf.h>],
[Define to header that first defines elf.])
elif test "$ac_cv_header_libelf_libelf_h" = yes; then
AC_DEFINE(LOCATION_OF_LIBELFHEADER,[<libelf/libelf.h>],
[Define to header that first defines elf.])
fi
AC_TRY_COMPILE([#include LOCATION_OF_LIBELFHEADER], Elf64_Rel *p; int i; i = p->r_info; ,AC_DEFINE(HAVE_ELF64_R_INFO,1,
[Define to 1 if the Elf64_Rel structure has r_info field.]))
AC_TRY_COMPILE([], __uint32_t p; p = 3; ,AC_DEFINE(HAVE___UINT32_T,
1,[See if __uint32_t is predefined in the compiler. ]))
AC_TRY_COMPILE([], __uint64_t p; p = 3; ,AC_DEFINE(HAVE___UINT64_T,
1,[See if __uint64_t is predefined in the compiler. ]))
AC_TRY_COMPILE([#include <sys/types.h>],[ __uint32_t p; p = 3]; ,
AC_DEFINE(HAVE___UINT32_T_IN_SYS_TYPES_H,1,
[Define 1 if sys/types.h defines __uint32_t.]))
AC_TRY_COMPILE([#include <sys/types.h>
#include <regex.h>],[ int i;
regex_t r;
int cflags = REG_EXTENDED;
const char *s = "abc";
i = regcomp(&r,s,cflags);
regfree(&r);
]; ,
AC_DEFINE(HAVE_REGEX,1,
[Define 1 if regex seems to be defined]))
AC_ARG_ENABLE(nonstandardprintf,AC_HELP_STRING([--enable-nonstandardprintf],
[Use a special printf format for 64bit (default is NO)]),
[ AC_DEFINE([HAVE_NONSTANDARD_PRINTF_64_FORMAT],[1],
[Define 1 if need nonstandard printf format for 64bit] )],
[])
AC_TRY_COMPILE([
#include <libelf.h>
],[ int p; p = 0; ] ,
AC_DEFINE(HAVE_RAW_LIBELF_OK,1,
[Define 1 if plain libelf builds.]))
AC_TRY_COMPILE([
#define _GNU_SOURCE
#include <libelf.h>
],[ off64_t p; p = 0;] ,
AC_DEFINE(HAVE_LIBELF_OFF64_OK,1,
[Define 1 if off64 is defined via libelf with GNU_SOURCE.]))
AC_OUTPUT(Makefile)
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