3 # Copyright (C) 2001, 2003-2004, 2006, 2008-2014 Free Software Foundation, Inc.
4 # This file is free software; the Free Software Foundation
5 # gives unlimited permission to copy and/or distribute it,
6 # with or without modifications, as long as this notice is preserved.
8 # On some systems, mkdir ("foo/", 0700) fails because of the trailing slash.
9 # On others, mkdir ("foo/./", 0700) mistakenly succeeds.
10 # On such systems, arrange to use a wrapper function.
11 AC_DEFUN([gl_FUNC_MKDIR],
13 AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
14 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
15 AC_CHECK_HEADERS_ONCE([unistd.h])
16 AC_CACHE_CHECK([whether mkdir handles trailing slash],
17 [gl_cv_func_mkdir_trailing_slash_works],
19 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
20 # include <sys/types.h>
21 # include <sys/stat.h>
22 ]], [return mkdir ("conftest.dir/", 0700);])],
23 [gl_cv_func_mkdir_trailing_slash_works=yes],
24 [gl_cv_func_mkdir_trailing_slash_works=no],
26 # Guess yes on glibc systems.
27 *-gnu*) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
28 # If we don't know, assume the worst.
29 *) gl_cv_func_mkdir_trailing_slash_works="guessing no" ;;
35 case "$gl_cv_func_mkdir_trailing_slash_works" in
42 AC_CACHE_CHECK([whether mkdir handles trailing dot],
43 [gl_cv_func_mkdir_trailing_dot_works],
45 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
46 # include <sys/types.h>
47 # include <sys/stat.h>
48 ]], [return !mkdir ("conftest.dir/./", 0700);])],
49 [gl_cv_func_mkdir_trailing_dot_works=yes],
50 [gl_cv_func_mkdir_trailing_dot_works=no],
52 # Guess yes on glibc systems.
53 *-gnu*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
54 # If we don't know, assume the worst.
55 *) gl_cv_func_mkdir_trailing_dot_works="guessing no" ;;
61 case "$gl_cv_func_mkdir_trailing_dot_works" in
65 AC_DEFINE([FUNC_MKDIR_DOT_BUG], [1], [Define to 1 if mkdir mistakenly
66 creates a directory given with a trailing dot component.])