--- Makefile.orig	Tue Apr 11 02:46:13 1995
+++ Makefile	Mon Sep  4 18:13:42 2000
@@ -19,10 +19,12 @@
 
 #CFLAGS =  -g
 
-CFLAGS =  -O
+CFLAGS?=  -O
 LDFLAGS=  -lm
-CC     =  cc
+CC     ?=  cc
 RM     =  /bin/rm -f
+
+CFLAGS+= -DTIMER
 
 OBJS = main.o bitstrm.o buffer.o inits.o inptstrm.o interact.o multplex.o systems.o timecode.o