diff -ur --unidirectional-new-file jikes.orig/src/lookup.h work/jikes/src/lookup.h
--- jikes.orig/src/lookup.h	Wed Sep  1 07:58:25 1999
+++ work/jikes/src/lookup.h	Wed Sep 15 10:33:20 1999
@@ -11,7 +11,9 @@
 #define lookup_INCLUDED
 
 #include "config.h"
+#ifndef NO_WCHAR_H
 #include <wchar.h>
+#endif
 #include <string.h>
 #include <sys/stat.h>
 #include <time.h>
