-# rmdir.m4 serial 1
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License. As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# rmdir.m4 serial 13
+dnl Copyright (C) 2002, 2005, 2009-2014 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_RMDIR],
[
- AC_REPLACE_FUNCS(rmdir)
- if test $ac_cv_func_rmdir = no; then
- gl_PREREQ_RMDIR
- fi
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ dnl Detect cygwin 1.5.x bug.
+ AC_CHECK_HEADERS_ONCE([unistd.h])
+ AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works],
+ [mkdir conftest.dir
+ touch conftest.file
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <stdio.h>
+ #include <errno.h>
+ #if HAVE_UNISTD_H
+ # include <unistd.h>
+ #else /* on Windows with MSVC */
+ # include <direct.h>
+ #endif
+]], [[int result = 0;
+ if (!rmdir ("conftest.file/"))
+ result |= 1;
+ else if (errno != ENOTDIR)
+ result |= 2;
+ if (!rmdir ("conftest.dir/./"))
+ result |= 4;
+ return result;
+ ]])],
+ [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no],
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_rmdir_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_rmdir_works="guessing no" ;;
+ esac
+ ])
+ rm -rf conftest.dir conftest.file])
+ case "$gl_cv_func_rmdir_works" in
+ *yes) ;;
+ *)
+ REPLACE_RMDIR=1
+ ;;
+ esac
])
-
-# Prerequisites of lib/rmdir.c.
-AC_DEFUN([gl_PREREQ_RMDIR], [
- AC_REQUIRE([AC_HEADER_STAT])
- :
-])
-