# getcwd.m4 - check whether getcwd (NULL, 0) allocates memory for result
-# Copyright 2001 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Written by Paul Eggert.
AC_DEFUN([AC_FUNC_GETCWD_NULL],
- [AC_CHECK_HEADERS(stdlib.h unistd.h)
+ [
+ AC_CHECK_HEADERS_ONCE(unistd.h)
AC_CACHE_CHECK([whether getcwd (NULL, 0) allocates memory for result],
[ac_cv_func_getcwd_null],
[AC_TRY_RUN(
[
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
+# include <stdlib.h>
# ifdef HAVE_UNISTD_H
# include <unistd.h>
# endif