--- adpcm/Makefile.orig Fri Dec 31 15:34:54 1999
+++ adpcm/Makefile Fri Dec 31 15:35:09 1999
@@ -1,7 +1,7 @@
#
# Makefile for adpcm and test programs
# -------------------
-CFLAGS=-O -I..
+CFLAGS+= -I..
# May need this on a sun:
#CFLAGS=-O -I/usr/demo/SOUND