1# serial 11
2
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.
7
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.
11AC_DEFUN([gl_FUNC_MKDIR],
12[dnl
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],
18    [rm -rf conftest.dir
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],
25      [case "$host_os" in
26                 # Guess yes on glibc systems.
27         *-gnu*) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
28                 # If we don't know, assume the worst.
29         *)      gl_cv_func_mkdir_trailing_slash_works="guessing no" ;;
30       esac
31      ])
32    rm -rf conftest.dir
33    ]
34  )
35  case "$gl_cv_func_mkdir_trailing_slash_works" in
36    *yes) ;;
37    *)
38      REPLACE_MKDIR=1
39      ;;
40  esac
41
42  AC_CACHE_CHECK([whether mkdir handles trailing dot],
43    [gl_cv_func_mkdir_trailing_dot_works],
44    [rm -rf conftest.dir
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],
51      [case "$host_os" in
52                 # Guess yes on glibc systems.
53         *-gnu*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
54                 # If we don't know, assume the worst.
55         *)      gl_cv_func_mkdir_trailing_dot_works="guessing no" ;;
56       esac
57      ])
58    rm -rf conftest.dir
59    ]
60  )
61  case "$gl_cv_func_mkdir_trailing_dot_works" in
62    *yes) ;;
63    *)
64      REPLACE_MKDIR=1
65      AC_DEFINE([FUNC_MKDIR_DOT_BUG], [1], [Define to 1 if mkdir mistakenly
66        creates a directory given with a trailing dot component.])
67      ;;
68  esac
69])
70