-# dirent_h.m4 serial 8
-dnl Copyright (C) 2008-2009 Free Software Foundation, Inc.
+# dirent_h.m4 serial 9
+dnl Copyright (C) 2008-2010 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.
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
- dnl Execute this unconditionally, because DIRENT_H may be set by other
- dnl modules, after this code is executed.
+ dnl <dirent.h> is always overridden, because of GNULIB_POSIXCHECK.
gl_CHECK_NEXT_HEADERS([dirent.h])
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[#include <dirent.h>
+ ]], [alphasort dirfd fdopendir scandir])
])
dnl Unconditionally enables the replacement of <dirent.h>.
AC_DEFUN([gl_REPLACE_DIRENT_H],
[
- AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+ dnl This is a no-op, because <dirent.h> is always overridden.
:
])