--- a/Makefile
+++ b/Makefile
@@ -15,8 +15,8 @@
 include version
 
 DEBUG=-g # -D_DEBUG
-LDFLAGS+=-lssl -lcrypto $(DEBUG)
-CFLAGS+=-O2 -Wall -DVERSION=\"$(VERSION)\" $(DEBUG)
+LDFLAGS+=$(EXTRA_LDFLAGS) -lssl -lcrypto $(DEBUG)
+CFLAGS+=$(EXTRA_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