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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libfortran/114895] Build failure with !HAVE_WORKING_STAT
Date: Tue, 30 Apr 2024 07:48:14 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114895

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
That is really weird.
Because the
checking for _FILE_OFFSET_BITS value needed for large files... 64
test should add
#define _FILE_OFFSET_BITS 64
line to confdefs.h and I believe the working stat testing should use that:
  if test "$cross_compiling" =3D yes; then :

case "${target}" in
  *mingw*) libgfor_cv_have_working_stat=3Dno ;;
  *) libgfor_cv_have_working_stat=3Dyes;;
esac
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

int main ()
{
  FILE *f, *g;
  struct stat st1, st2;

  f =3D fopen ("foo", "w");
  g =3D fopen ("bar", "w");
  if (stat ("foo", &st1) !=3D 0 || stat ("bar", &st2))
    return 1;
  if (st1.st_dev =3D=3D st2.st_dev && st1.st_ino =3D=3D st2.st_ino)
    return 1;
  fclose(f);
  fclose(g);
  return 0;
}
_ACEOF

The cat should source in all of confdefs.h so far.=