golang build with version info

Makefile_go_version

SFILE:=$(wildcard *.go)
VERSION=`git describe --tags`
BUILD=`date +%F_%T%z`
TAGETFILE=uploadTool
LDFLAGS_DEBUG=-ldflags "-X main.Version=${VERSION} -X main.Build=${BUILD}"
LDFLAGS_REL=-ldflags "-w -s -X main.Version=${VERSION} -X main.Build=${BUILD}"

all: mac
	@echo ${BUILD} ${VERSION} $(SFILE)
	go build -o ${TAGETFILE} ${LDFLAGS_DEBUG} ${SFILE}
	./${TAGETFILE}
linux: rhel
	@echo ${BUILD} ${VERSION} $(SFILE)
	GOOS="linux" GOARCH="amd64" go build -o ${TAGETFILE} ${LDFLAGS_DEBUG} ${SFILE}
	file ${TAGETFILE}
	mv ${TAGETFILE}  ${TAGETFILE}Linux

clean:
	if [ -f ${TAGETFILE} ] ; then rm ${TAGETFILE} ; fi

os:=$(shell uname -a)

.DEFAULT:
	@echo "$(os)"

.PHONY: linux clean