Commit | Line | Data |
---|---|---|
61cd9dc9 | 1 | # serial 4 |
8912421c | 2 | |
61cd9dc9 | 3 | # Copyright (C) 2009, 2010 Free Software Foundation, Inc. |
8912421c LC |
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 | [ | |
11 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles | |
12 | AC_REQUIRE([gl_AC_DOS]) | |
13 | AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) | |
f29ded4b | 14 | AC_CHECK_FUNCS_ONCE([lstat]) |
8912421c LC |
15 | dnl mingw is the only known platform where stat(".") and stat("./") differ |
16 | AC_CACHE_CHECK([whether stat handles trailing slashes on directories], | |
17 | [gl_cv_func_stat_dir_slash], | |
18 | [AC_RUN_IFELSE( | |
19 | [AC_LANG_PROGRAM( | |
20 | [[#include <sys/stat.h> | |
21 | ]], [[struct stat st; return stat (".", &st) != stat ("./", &st);]])], | |
22 | [gl_cv_func_stat_dir_slash=yes], [gl_cv_func_stat_dir_slash=no], | |
23 | [case $host_os in | |
24 | mingw*) gl_cv_func_stat_dir_slash="guessing no";; | |
25 | *) gl_cv_func_stat_dir_slash="guessing yes";; | |
26 | esac])]) | |
27 | dnl Solaris 9 mistakenly succeeds on stat("file/") | |
f29ded4b | 28 | dnl FreeBSD 7.2 mistakenly succeeds on stat("link-to-file/") |
8912421c LC |
29 | AC_CACHE_CHECK([whether stat handles trailing slashes on files], |
30 | [gl_cv_func_stat_file_slash], | |
31 | [touch conftest.tmp | |
f29ded4b LC |
32 | # Assume that if we have lstat, we can also check symlinks. |
33 | if test $ac_cv_func_lstat = yes; then | |
34 | ln -s conftest.tmp conftest.lnk | |
35 | fi | |
8912421c LC |
36 | AC_RUN_IFELSE( |
37 | [AC_LANG_PROGRAM( | |
38 | [[#include <sys/stat.h> | |
f29ded4b LC |
39 | ]], [[struct stat st; |
40 | if (!stat ("conftest.tmp/", &st)) return 1; | |
41 | #if HAVE_LSTAT | |
42 | if (!stat ("conftest.lnk/", &st)) return 2; | |
43 | #endif | |
44 | ]])], | |
8912421c | 45 | [gl_cv_func_stat_file_slash=yes], [gl_cv_func_stat_file_slash=no], |
f29ded4b LC |
46 | [gl_cv_func_stat_file_slash="guessing no"]) |
47 | rm -f conftest.tmp conftest.lnk]) | |
8912421c LC |
48 | case $gl_cv_func_stat_dir_slash in |
49 | *no) REPLACE_STAT=1 | |
50 | AC_DEFINE([REPLACE_FUNC_STAT_DIR], [1], [Define to 1 if stat needs | |
51 | help when passed a directory name with a trailing slash]);; | |
52 | esac | |
53 | case $gl_cv_func_stat_file_slash in | |
54 | *no) REPLACE_STAT=1 | |
55 | AC_DEFINE([REPLACE_FUNC_STAT_FILE], [1], [Define to 1 if stat needs | |
56 | help when passed a file name with a trailing slash]);; | |
57 | esac | |
58 | if test $REPLACE_STAT = 1; then | |
59 | AC_LIBOBJ([stat]) | |
61cd9dc9 LC |
60 | dnl Prerequisites of lib/stat.c. |
61 | AC_REQUIRE([AC_C_INLINE]) | |
8912421c LC |
62 | fi |
63 | ]) |