--- ./Makefile.orig	2003-01-04 11:30:30.000000000 +0100
+++ ./Makefile	2011-06-21 16:03:11.000000000 +0200
@@ -1,5 +1,5 @@
-CC=gcc
-CFLAGS=-O6 -Wall
+CC?=gcc
+CFLAGS?=-O6 -Wall
 #CFLAGS=-g
 
 RM=rm -f