--- a/Makefile
+++ b/Makefile
@@ -38,7 +38,7 @@
 ifeq ($(VALGRIND),1)
 	CFLAGS_OPT_LEVEL = -O0
 endif
-override CFLAGS += $(CFLAGS_OPT_LEVEL)
+#override CFLAGS += $(CFLAGS_OPT_LEVEL)

 ifeq ($(DEBUG),1)
 	# We always add -g, so this only has to enable assertion checking