| # serial 18 | |
| # Copyright (C) 2009-2022 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 $host_os in | |
| dnl Solaris stat can return a negative tv_nsec. | |
| solaris*) | |
| REPLACE_FSTAT=1 ;; | |
| esac | |
| ;; | |
| esac | |
| ]) | |
| # Prerequisites of lib/stat.c and lib/stat-w32.c. | |
| AC_DEFUN([gl_PREREQ_STAT], [ | |
| AC_REQUIRE([gl_SYS_STAT_H]) | |
| AC_REQUIRE([gl_PREREQ_STAT_W32]) | |
| : | |
| ]) | |
| # Prerequisites of lib/stat-w32.c. | |
| AC_DEFUN([gl_PREREQ_STAT_W32], [ | |
| AC_REQUIRE([AC_CANONICAL_HOST]) | |
| case "$host_os" in | |
| mingw*) | |
| AC_CHECK_HEADERS([sdkddkver.h]) | |
| ;; | |
| esac | |
| ]) |