updated Makefile

Makefile

@@ -1,10 +1,33 @@
+APP=statusline
+BUILDFLAGS=
+
 all: build
 
-build: statusline.go
+.PHONY: run
-	go build statusline.go
-
 run:
-	go run statusline.go
+	go run .
 
+.PHONY: clean
+clean:
+	go clean
+
+.PHONY: build
+build: clean
+	go build -o "${APP}" ${BUILDFLAGS}
+
+.PHONY: install
 install:
-	go build -o ~/bin/statusline statusline.go
+	go install ${BUILDFLAGS}
+
+.PHONY: uninstall
+uninstall:
+	go clean -i
+
+.PHONY: release
+release:
+	rm -f release/*
+	GOOS=linux   GOARCH=amd64 go build -o "release/${APP}_linux_amd64" -trimpath ${BUILDFLAGS}
+	GOOS=linux   GOARCH=arm64 go build -o "release/${APP}_linux_arm64" -trimpath ${BUILDFLAGS}
+	GOOS=linux   GOARCH=386   go build -o "release/${APP}_linux_386" -trimpath ${BUILDFLAGS}
+	GOOS=windows GOARCH=amd64 go build -o "release/${APP}_windows_amd64.exe" -trimpath ${BUILDFLAGS}
+