| # serial 17 |
| |
| # Copyright (C) 2009-2021 Free Software Foundation, Inc. |
| # |
| # This file is free software; the Free Software Foundation |
| # gives unlimited permission to copy and/or distribute it, |
| # with or without modifications, as long as this notice is preserved. |
| |
| AC_DEFUN([gl_FUNC_STAT], |
| [ |
| AC_REQUIRE([AC_CANONICAL_HOST]) |
| AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) |
| AC_CHECK_FUNCS_ONCE([lstat]) |
| case "$host_os" in |
| mingw*) |
| dnl On this platform, the original stat() returns st_atime, st_mtime, |
| dnl st_ctime values that are affected by the time zone. |
| dnl REPLACE_STAT=1 |
| ;; |
| *) |
| dnl AIX 7.1, Solaris 9, mingw64 mistakenly succeed on stat("file/"). |
| dnl (For mingw, this is due to a broken stat() override in libmingwex.a.) |
| dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/"). |
| AC_CACHE_CHECK([whether stat handles trailing slashes on files], |
| [gl_cv_func_stat_file_slash], |
| [touch conftest.tmp |
| # Assume that if we have lstat, we can also check symlinks. |
| if test $ac_cv_func_lstat = yes; then |
| ln -s conftest.tmp conftest.lnk |
| fi |
| AC_RUN_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <sys/stat.h> |
| ]], [[int result = 0; |
| struct stat st; |
| if (!stat ("conftest.tmp/", &st)) |
| result |= 1; |
| #if HAVE_LSTAT |
| if (!stat ("conftest.lnk/", &st)) |
| result |= 2; |
| #endif |
| return result; |
| ]])], |
| [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], |
| [case "$host_os" in |
| # Guess yes on Linux systems. |
| linux-* | linux) gl_cv_func_stat_file_slash="guessing yes" ;; |
| # Guess yes on glibc systems. |
| *-gnu* | gnu*) gl_cv_func_stat_file_slash="guessing yes" ;; |
| # If we don't know, obey --enable-cross-guesses. |
| *) gl_cv_func_stat_file_slash="$gl_cross_guess_normal" ;; |
| esac |
| ]) |
| rm -f conftest.tmp conftest.lnk]) |
| case $gl_cv_func_stat_file_slash in |
| *no) |
| REPLACE_STAT=1 |
| AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs |
| help when passed a file name with a trailing slash]);; |
| esac |
| case $host_os in |
| dnl Solaris stat can return a negative tv_nsec. |
| solaris*) |
| REPLACE_FSTAT=1 ;; |
| esac |
| ;; |
| esac |
| ]) |
| |
| # Prerequisites of lib/stat.c and lib/stat-w32.c. |
| AC_DEFUN([gl_PREREQ_STAT], [ |
| AC_REQUIRE([gl_HEADER_SYS_STAT_H]) |
| AC_REQUIRE([gl_PREREQ_STAT_W32]) |
| : |
| ]) |
| |
| # Prerequisites of lib/stat-w32.c. |
| AC_DEFUN([gl_PREREQ_STAT_W32], [ |
| AC_REQUIRE([AC_CANONICAL_HOST]) |
| case "$host_os" in |
| mingw*) |
| AC_CHECK_HEADERS([sdkddkver.h]) |
| ;; |
| esac |
| ]) |
