--- adpcm/Makefile.orig	Sat Oct 13 15:00:05 2001
+++ adpcm/Makefile	Thu Dec 12 02:47:59 2002
@@ -2,7 +2,7 @@
 # Makefile for adpcm and test programs
 # -------------------
 
-CFLAGS = -I..
+CFLAGS += -I..
 
 all:	adpcm-u.o