updated Makefile

Makefile

@@ -1,19 +1,21 @@
 # dip Makefile
 
+PROJECT=dip
 GOCMD=go
 GOBUILDCMD=${GOCMD} build
-GOOPTIONS=-mod=vendor -ldflags="-s -w"
+GOOPTIONS=-mod=vendor -ldflags="-s -w" -o ${PROJECT}
 PACKRCMD=${GOPATH}/bin/packr2
+RMCMD=/bin/rm
 
 SRCFILES=cmd/dip/*.go
 
 all: build
 
 build:
-	${GOPATH}/bin/packr2
+	${PACKRCMD}
 	${GOBUILDCMD} ${GOOPTIONS} ${SRCFILES}
 
 clean:
-	rm -f dip
+	${RMCMD} ${PROJECT}
 	${PACKRCMD} clean