doc: Document the `sitedir' and `extensiondir' pkg-config variables.
[bpt/guile.git] / m4 / rmdir.m4
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1# rmdir.m4 serial 11
2dnl Copyright (C) 2002, 2005, 2009-2011 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_RMDIR],
8[
9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
10 dnl Detect cygwin 1.5.x bug.
11 AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works],
12 [mkdir conftest.dir
13 touch conftest.file
14 AC_RUN_IFELSE(
15 [AC_LANG_PROGRAM(
16 [[#include <stdio.h>
17 #include <errno.h>
18 #include <unistd.h>
19]], [[int result = 0;
20 if (!rmdir ("conftest.file/"))
21 result |= 1;
22 else if (errno != ENOTDIR)
23 result |= 2;
24 if (!rmdir ("conftest.dir/./"))
25 result |= 4;
26 return result;
27 ]])],
28 [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no],
29 [gl_cv_func_rmdir_works="guessing no"])
30 rm -rf conftest.dir conftest.file])
31 if test x"$gl_cv_func_rmdir_works" != xyes; then
32 REPLACE_RMDIR=1
33 fi
34])