--- /dev/null
+# rmdir.m4 serial 7
+dnl Copyright (C) 2002, 2005, 2009-2010 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_REQUIRE([gl_AC_DOS])
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ dnl FIXME: simplify this module in 2010 if no one reports a missing rmdir
+ AC_REPLACE_FUNCS([rmdir])
+ if test $ac_cv_func_rmdir = no; then
+ REPLACE_RMDIR=1
+ # If someone lacks rmdir, make configure fail, and request
+ # a bug report to inform us about it.
+ if test x"$SKIP_RMDIR_CHECK" != xyes; then
+ AC_MSG_FAILURE([Your system lacks the rmdir function.
+ Please report this, along with the output of "uname -a", to the
+ bug-coreutils@gnu.org mailing list. To continue past this point,
+ rerun configure with SKIP_RMDIR_CHECK=yes.
+ E.g., ./configure SKIP_RMDIR_CHECK=yes])
+ fi
+ else
+ dnl Detect cygwin 1.5.x bug.
+ 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>
+ #include <unistd.h>
+]], [[return !rmdir ("conftest.file/") || errno != ENOTDIR
+ || !rmdir ("conftest.dir/./");]])],
+ [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no],
+ [gl_cv_func_rmdir_works="guessing no"])
+ rm -rf conftest.dir conftest.file])
+ if test x"$gl_cv_func_rmdir_works" != xyes; then
+ REPLACE_RMDIR=1
+ AC_LIBOBJ([rmdir])
+ fi
+ fi
+])