dnl Process this file with autoconf to produce a configure script.
AC_INIT(dwarfdump.c)
AC_CONFIG_HEADER(config.h)

AC_PROG_CC
AC_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(AR, ar)
dnl AC_ARFLAGS


/* Define to 1 if the elf64_getehdr function is in libelf.a */
#undef HAVE_ELF64_GETEHDR



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 <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)