--- ./Makefile.orig	2014-02-21 16:33:19.453413028 +0100
+++ ./Makefile	2014-02-21 16:33:44.640427076 +0100
@@ -3,7 +3,7 @@
 #
 
 bsdbktr_tvtune: bsdbktr_tvtune.c
-	gcc -Wall -O -o bsdbktr_tvtune bsdbktr_tvtune.c
+	${CC} ${CFLAGS} -o bsdbktr_tvtune bsdbktr_tvtune.c
 	strip bsdbktr_tvtune
 
 clean: