latest, testing with ci now

Makefile

@@ -1,24 +1,31 @@
-PROTOC_GEN_GO := $(GOPATH)/bin/protoc-gen-go
+PROTOC_GEN_GO := $(shell go env GOPATH)/bin/protoc-gen-go
+
+ARCH := $(shell uname -m)
+VERSION := $(shell git describe --always --dirty=-dirty)
+
+GOLDFLAGS += -X main.Version=$(VERSION)
+GOLDFLAGS += -X main.Buildarch=$(ARCH)
+GOFLAGS := -ldflags "$(GOLDFLAGS)"
 
 default: run
 
-run: compile
-	./cmd/mfer/mfer
-	./cmd/mfer/mfer gen .
+run: ./mfer
+	./$<
+	./$< gen
 
 $(PROTOC_GEN_GO):
-	go get -u github.com/golang/protobuf/protoc-gen-go
+	test -e $(PROTOC_GEN_GO) || go get -u github.com/golang/protobuf/protoc-gen-go
 
 prereqs: $(PROTOC_GEN_GO)
-	which gofumpt && go install -v mvdan.cc/gofumpt@latest
-	which golangci-lint && go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+	which gofumpt || go install -v mvdan.cc/gofumpt@latest
+	which golangci-lint || go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@latest
 
-compile: prereqs
+mfer: prereqs src/*.go cmd/*/*.go
 	cd proto && go generate .
-	cd cmd/mfer && go build
+	cd cmd/mfer && go build -o ../../mfer $(GOFLAGS) .
 
 clean:
-	rm -rfv proto/*.pb.go
+	rm -rfv proto/*.pb.go ./mfer
 
 fmt: prereqs
 	gofumpt -l -w src cmd