# getcwd.m4 - check for working getcwd that is compatible with glibc
-# Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_GETCWD_NULL],
[
- AC_CHECK_HEADERS_ONCE(unistd.h)
+ AC_LIBSOURCES([getcwd.c, getcwd.h])
+
AC_CACHE_CHECK([whether getcwd (NULL, 0) allocates memory for result],
[gl_cv_func_getcwd_null],
[AC_TRY_RUN(
[
# include <stdlib.h>
-# ifdef HAVE_UNISTD_H
-# include <unistd.h>
-# endif
+# include <unistd.h>
# ifndef getcwd
char *getcwd ();
# endif
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([AC_HEADER_DIRENT])
AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO])
- AC_CHECK_HEADERS_ONCE(fcntl.h)
:
])