--- Makefile.in.orig	Sun Feb 18 22:27:03 2001
+++ Makefile.in	Sun Feb 18 22:28:00 2001
@@ -13,7 +13,7 @@
 MAKE = @MAKE@
 
 #this is the standard CFLAGS options, this is what most people should use
-CFLAGS = -O2 $(DEFINES) @BIG5@
+CFLAGS += $(DEFINES) @BIG5@
 
 #this is the debugging CFLAGS options, should only be used if you want to
 #debug/code tintin