diff -aurN ZynAddSubFX-1.4.1.orig/src/Makefile ZynAddSubFX-1.4.1/src/Makefile
--- ZynAddSubFX-1.4.1.orig/src/Makefile	2003-04-11 15:16:49.000000000 +0200
+++ ZynAddSubFX-1.4.1/src/Makefile	2003-06-20 00:00:05.000000000 +0200
@@ -1,7 +1,7 @@
 include Makefile.inc
 
 ifneq ($(MAKECMDGOALS),debug)
-  CXXFLAGS= -O6 
+  CXXFLAGS= $(OPTFLAGS)
 else 
   CXXFLAGS= -O0 -ggdb 
 endif