diff -ur --unidirectional-new-file jikes.orig/src/semantic.h work/jikes/src/semantic.h
--- jikes.orig/src/semantic.h	Sun Sep 12 11:04:44 1999
+++ work/jikes/src/semantic.h	Wed Sep 15 10:33:21 1999
@@ -11,7 +11,9 @@
 #define semantic_INCLUDED
 
 #include "config.h"
+#ifndef NO_WCHAR_H
 #include <wchar.h>
+#endif
 #include "ast.h"
 #include "diagnose.h"
 #include "error.h"
