--- purify_v03-source/purify/Makefile
+++ purify_v03-source/purify/Makefile
@@ -2,8 +2,8 @@
 include phoenix/Makefile
 
 path := /usr/local/bin
-flags := -I. -O3 -fomit-frame-pointer
-link := -s
+flags := -I. $(CXXFLAGS)
+link := $(LDFLAGS)
 objects := obj/phoenix.o obj/purify.o
 
 ifeq ($(platform),x)