X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/342b8b6e2156e923797745af2da2596e3086ccd5..637fa3f83edca74df6a9d834ffe7bfd4d7468793:/m4/mbrtowc.m4

diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4
index 87743919..21e9daab 100644
--- a/m4/mbrtowc.m4
+++ b/m4/mbrtowc.m4
@@ -1,7 +1,16 @@
-#serial 4
+# mbrtowc.m4 serial 5
+dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
 
 dnl From Paul Eggert
 
+dnl This file can be removed, and jm_FUNC_MBRTOWC replaced with
+dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere.
+
 AC_DEFUN([jm_FUNC_MBRTOWC],
 [
   AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],