diff options
Diffstat (limited to 'm4/stat.m4')
| -rw-r--r-- | m4/stat.m4 | 113 |
1 files changed, 58 insertions, 55 deletions
@@ -1,6 +1,6 @@ -# serial 11 +# serial 15 -# Copyright (C) 2009-2017 Free Software Foundation, Inc. +# Copyright (C) 2009-2018 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -8,64 +8,67 @@ AC_DEFUN([gl_FUNC_STAT], [ - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) AC_CHECK_FUNCS_ONCE([lstat]) - dnl mingw is the only known platform where stat(".") and stat("./") differ - AC_CACHE_CHECK([whether stat handles trailing slashes on directories], - [gl_cv_func_stat_dir_slash], - [AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[#include <sys/stat.h> -]], [[struct stat st; return stat (".", &st) != stat ("./", &st);]])], - [gl_cv_func_stat_dir_slash=yes], [gl_cv_func_stat_dir_slash=no], - [case $host_os in - mingw*) gl_cv_func_stat_dir_slash="guessing no";; - *) gl_cv_func_stat_dir_slash="guessing yes";; - esac])]) - 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 $ac_cv_func_lstat = yes; then - ln -s conftest.tmp conftest.lnk - fi - AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[#include <sys/stat.h> + case "$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. + 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 $ac_cv_func_lstat = yes; then + ln -s conftest.tmp conftest.lnk + fi + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/stat.h> ]], [[int result = 0; - struct stat st; - if (!stat ("conftest.tmp/", &st)) - result |= 1; + struct stat st; + if (!stat ("conftest.tmp/", &st)) + result |= 1; #if HAVE_LSTAT - if (!stat ("conftest.lnk/", &st)) - result |= 2; + if (!stat ("conftest.lnk/", &st)) + result |= 2; #endif - return result; - ]])], - [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], - [case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_stat_file_slash="guessing yes" ;; - # If we don't know, assume the worst. - *) gl_cv_func_stat_file_slash="guessing no" ;; - esac - ]) - rm -f conftest.tmp conftest.lnk]) - case $gl_cv_func_stat_dir_slash in - *no) REPLACE_STAT=1 - AC_DEFINE([REPLACE_FUNC_STAT_DIR], [1], [Define to 1 if stat needs - help when passed a directory name with a trailing slash]);; - esac - case $gl_cv_func_stat_file_slash in - *no) REPLACE_STAT=1 - AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs - help when passed a file name with a trailing slash]);; + return result; + ]])], + [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], + [case "$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, assume the worst. + *) gl_cv_func_stat_file_slash="guessing no" ;; + 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. -AC_DEFUN([gl_PREREQ_STAT], [:]) +# Prerequisites of lib/stat.c and lib/stat-w32.c. +AC_DEFUN([gl_PREREQ_STAT], [ + AC_REQUIRE([gl_HEADER_SYS_STAT_H]) + : +]) |