--- Makefile.orig	Sun Mar 12 20:49:36 2000
+++ Makefile	Fri Jul  7 06:32:33 2000
@@ -1,7 +1,7 @@
 PRGS =  baseml codeml codemlsites basemlg pamp evolver mcmctree yn00 chi2 
 CC = cc # cc, gcc, cl
 
-CFLAGS = -fast
+CFLAGS += -O3
 
 #CFLAGS = -w0 -warnprotos -newc -std -fast
 #CFLAGS = -g -w0 -warnprotos -newc -std -edit1 #