--- libhash/Makefile.orig	2003-08-21 09:11:03.000000000 +0800
+++ libhash/Makefile	2011-10-03 16:33:58.000000000 +0800
@@ -7,8 +7,8 @@
 
 SRC	= hash.c
 OBJ	= hash.o
-CFLAGS	= -Wall -g3 -Iinclude -I../libelfsh/include/ -I../elfsh/include/ -DELFSH_INTERN
-CC	= gcc
+CFLAGS	+= -Wall -g3 -Iinclude -I../libelfsh/include/ -I../elfsh/include/ -DELFSH_INTERN
+CC	?= gcc
 AR	= ar rc
 RANLIB	= ranlib
 NAME	= libhashelfsh