--- Makefile.in.orig	2010-12-24 12:14:33.000000000 +1100
+++ Makefile.in	2010-12-24 12:14:59.000000000 +1100
@@ -427,7 +427,7 @@
 
 
 mac :
-	make MYLIBS="$(MYMACLIBS)" CFLAGS="-Wall -fsigned-char -fno-common -O2"
+	make MYLIBS="$(MYMACLIBS)" CFLAGS="$(CFLAGS) $(ARCHFLAGS)"
 
 
 check-mac :