--- ./Makefile.og	2006-08-14 10:43:53.000000000 +0000
+++ ./Makefile	2006-09-02 19:40:48.000000000 +0000
@@ -16,7 +16,8 @@
 
 DEBUG=-g # -D_DEBUG
 LDFLAGS+=-lssl -lcrypto $(DEBUG)
-CFLAGS+=-O2 -Wall -DVERSION=\"$(VERSION)\" $(DEBUG)
+CFLAGS ?= -O2
+override CFLAGS += -Wall -DVERSION=\"$(VERSION)\" $(DEBUG)
 
 OBJS=mem.o http.o io.o str.o error.o utils.o main.o tcp.o mssl.o res.o