Include <wchar.h>. Needed for UnixWare 7.1.1.

Reported by John Hughes, see
http://mail.gnu.org/archive/html/bug-bison/2003-02/msg00030.html

diff --git a/lib/mbswidth.h b/lib/mbswidth.h
index 40d4cba..b3646ea 100644 (file)
--- a/lib/mbswidth.h
+++ b/lib/mbswidth.h
@@ -1,5 +1,5 @@
 /* Determine the number of screen columns needed for a string.
-   Copyright (C) 2000-2002 Free Software Foundation, Inc.
+   Copyright (C) 2000-2003 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
@@ -17,6 +17,14 @@
 
 #include <stddef.h>
 
+/* Avoid a clash of our mbswidth() with a function of the same name defined
+   in UnixWare 7.1.1 <wchar.h>.  We need this #include before the #define
+   below.  */
+#if HAVE_WCHAR_H
+# include <wchar.h>
+#endif
+
+
 /* Optional flags to influence mbswidth/mbsnwidth behavior.  */
 
 /* If this bit is set, return -1 upon finding an invalid or incomplete