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-rw-r--r--gnulib-m4/fstatat.m466
1 files changed, 0 insertions, 66 deletions
diff --git a/gnulib-m4/fstatat.m4 b/gnulib-m4/fstatat.m4
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--- a/gnulib-m4/fstatat.m4
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-# fstatat.m4
-# serial 5
-dnl Copyright (C) 2004-2024 Free Software Foundation, Inc.
-dnl This file is free software; the Free 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])
- AC_CHECK_FUNCS_ONCE([fstatat])
-
- if test $ac_cv_func_fstatat = no; then
- HAVE_FSTATAT=0
- else
- dnl Test for an AIX 7.1 bug; see
- dnl <https://lists.gnu.org/r/bug-tar/2011-09/msg00015.html>.
- AC_CACHE_CHECK([whether fstatat (..., 0) works],
- [gl_cv_func_fstatat_zero_flag],
- [AC_RUN_IFELSE(
- [AC_LANG_SOURCE(
- [[
- #include <fcntl.h>
- #include <sys/stat.h>
- int
- main (void)
- {
- struct stat a;
- return fstatat (AT_FDCWD, ".", &a, 0) != 0;
- }
- ]])],
- [gl_cv_func_fstatat_zero_flag=yes],
- [gl_cv_func_fstatat_zero_flag=no],
- [case "$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 ;;
- esac
-
- case $host_os in
- darwin* | solaris*)
- REPLACE_FSTATAT=1 ;;
- esac
-
- case $REPLACE_FSTATAT,$gl_cv_func_fstatat_zero_flag in
- 1,*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
- fi
-])