--- Makefile.orig	2011-08-20 18:09:11.312395545 -0500
+++ Makefile	2011-08-20 18:09:42.616039528 -0500
@@ -16,7 +16,7 @@
 ifeq ($(DEBUG),1)
    extraflags = -O0 -g -I. -I$(snes) $(fpic)
 else
-   extraflags = -O3 -fomit-frame-pointer -I. -I$(snes) $(fpic)
+   extraflags = $(CXXFLAGS) -fomit-frame-pointer -I. -I$(snes) $(fpic)
 endif
 
 ifeq ($(PROFILING),gen)