--- ./Makefile.orig	2011-06-21 13:15:49.000000000 +0200
+++ ./Makefile	2011-06-21 13:16:07.000000000 +0200
@@ -1,4 +1,4 @@
-CC = cc
+CC ?= cc
 CFLAGS += -Wall
 PREFIX ?= /usr/local
 OBJS = main.o