diff -ru fribidi.old/acinclude.m4 fribidi/acinclude.m4
--- fribidi.old/acinclude.m4	Fri Dec 14 15:25:17 2001
+++ fribidi/acinclude.m4	Sun Nov  2 00:45:19 2003
@@ -1505,7 +1505,7 @@
     ;;
 
   darwin* | rhapsody*)
-    allow_undefined_flag='-undefined suppress'
+    allow_undefined_flag='-undefined error'
     # FIXME: Relying on posixy $() will cause problems for
     #        cross-compilation, but unfortunately the echo tests do not
     #        yet detect zsh echo's removal of \ escapes.