--- ./Makefile.orig	2008-03-24 23:22:09.000000000 +0900
+++ ./Makefile	2009-07-20 23:23:39.000000000 +0900
@@ -2,8 +2,9 @@
 SRC = usbrh_main.c
 EXE = usbrh
 
+all:	$(EXE)
 $(EXE): $(SRC)
-	gcc -lusb -g -o $@ $^
+	gcc -lusb -g -o $@ $(SRC)
 
 clean: 
 	rm $(EXE)
