--- libelfsh/Makefile.orig	2003-08-21 09:11:03.000000000 +0800
+++ libelfsh/Makefile	2011-10-03 16:33:33.000000000 +0800
@@ -5,10 +5,10 @@
 ## Last update Tue Jun  3 09:30:50 2003 mayhem
 ##
 
-CC			= gcc
+CC			?= gcc
 RM			= rm -f 
 AR			= ar rc
-CFLAGS			= -rdynamic -Iinclude -Wall -fPIC -g3 -O2 -DELFSH_INTERN
+CFLAGS			+= -rdynamic -Iinclude -Wall -fPIC -g3 -DELFSH_INTERN
 SRC			= dynamic.c dynsym.c elf.c fixup.c got.c hash.c \
                         interp.c pht.c plt.c section.c sht.c error.c stab.c \
 			symbol.c notes.c reloc.c blocks.c ctors.c dtors.c \