Commit | Line | Data |
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c0c3707f | 1 | # serial 16 |
2196f55f | 2 | |
c0c3707f | 3 | # Copyright (C) 2009-2019 Free Software Foundation, Inc. |
2196f55f YQ |
4 | # |
5 | # This file is free software; the Free Software Foundation | |
6 | # gives unlimited permission to copy and/or distribute it, | |
7 | # with or without modifications, as long as this notice is preserved. | |
8 | ||
9 | AC_DEFUN([gl_FUNC_STAT], | |
10 | [ | |
c0c3707f | 11 | AC_REQUIRE([AC_CANONICAL_HOST]) |
2196f55f YQ |
12 | AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) |
13 | AC_CHECK_FUNCS_ONCE([lstat]) | |
c0c3707f CB |
14 | case "$host_os" in |
15 | mingw*) | |
16 | dnl On this platform, the original stat() returns st_atime, st_mtime, | |
17 | dnl st_ctime values that are affected by the time zone. | |
18 | REPLACE_STAT=1 | |
19 | ;; | |
20 | *) | |
21 | dnl AIX 7.1, Solaris 9, mingw64 mistakenly succeed on stat("file/"). | |
22 | dnl (For mingw, this is due to a broken stat() override in libmingwex.a.) | |
23 | dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/"). | |
24 | AC_CACHE_CHECK([whether stat handles trailing slashes on files], | |
25 | [gl_cv_func_stat_file_slash], | |
26 | [touch conftest.tmp | |
27 | # Assume that if we have lstat, we can also check symlinks. | |
28 | if test $ac_cv_func_lstat = yes; then | |
29 | ln -s conftest.tmp conftest.lnk | |
30 | fi | |
31 | AC_RUN_IFELSE( | |
32 | [AC_LANG_PROGRAM( | |
33 | [[#include <sys/stat.h> | |
2196f55f | 34 | ]], [[int result = 0; |
c0c3707f CB |
35 | struct stat st; |
36 | if (!stat ("conftest.tmp/", &st)) | |
37 | result |= 1; | |
2196f55f | 38 | #if HAVE_LSTAT |
c0c3707f CB |
39 | if (!stat ("conftest.lnk/", &st)) |
40 | result |= 2; | |
2196f55f | 41 | #endif |
c0c3707f CB |
42 | return result; |
43 | ]])], | |
44 | [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], | |
45 | [case "$host_os" in | |
46 | # Guess yes on Linux systems. | |
47 | linux-* | linux) gl_cv_func_stat_file_slash="guessing yes" ;; | |
48 | # Guess yes on glibc systems. | |
49 | *-gnu* | gnu*) gl_cv_func_stat_file_slash="guessing yes" ;; | |
50 | # If we don't know, obey --enable-cross-guesses. | |
51 | *) gl_cv_func_stat_file_slash="$gl_cross_guess_normal" ;; | |
52 | esac | |
53 | ]) | |
54 | rm -f conftest.tmp conftest.lnk]) | |
55 | case $gl_cv_func_stat_file_slash in | |
56 | *no) | |
57 | REPLACE_STAT=1 | |
58 | AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs | |
59 | help when passed a file name with a trailing slash]);; | |
60 | esac | |
61 | case $host_os in | |
62 | dnl Solaris stat can return a negative tv_nsec. | |
63 | solaris*) | |
64 | REPLACE_FSTAT=1 ;; | |
65 | esac | |
66 | ;; | |
2196f55f YQ |
67 | esac |
68 | ]) | |
69 | ||
c0c3707f CB |
70 | # Prerequisites of lib/stat.c and lib/stat-w32.c. |
71 | AC_DEFUN([gl_PREREQ_STAT], [ | |
72 | AC_REQUIRE([gl_HEADER_SYS_STAT_H]) | |
73 | : | |
74 | ]) |