Avoid defining AC_USE_SYSTEM_EXTENSIONS here.

[gnulib.git] / m4 / mbfile.m4

diff --git a/m4/mbfile.m4 b/m4/mbfile.m4
index 5ea492d..032bc99 100644 (file)
--- a/m4/mbfile.m4
+++ b/m4/mbfile.m4
@@ -1,4 +1,4 @@
-# mbfile.m4 serial 1
+# mbfile.m4 serial 2
 dnl Copyright (C) 2005 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,5 +10,8 @@ dnl From Bruno Haible.
 AC_DEFUN([gl_MBFILE],
 [
   AC_REQUIRE([AC_TYPE_MBSTATE_T])
+  dnl The following line is that so the user can test HAVE_MBRTOWC before
+  dnl #include "mbfile.h".
+  AC_REQUIRE([gl_FUNC_MBRTOWC])
   :
 ])