add simple Makefile

Makefile

@@ -0,0 +1,26 @@
+.PHONY: test all build clean
+
+PROTOFILES=$(shell find . -name \*.proto)
+PBGOFILES=$(patsubst %.proto,%.pb.go,$(PROTOFILES))
+GOFILES=$(shell find . -name \*.go)
+
+# for protoc-gen-go
+export PATH := $(GOPATH)/bin:$(PATH)
+
+GOLDFLAGS=-ldflags '-r ${ORIGIN}:${ORIGIN}/../lib'
+
+all: build test
+
+imposm3: $(GOFILES) $(PROTOFILES)
+	go build $(GOLDFLAGS)
+
+build: imposm3
+
+clean:
+	rm -f imposm3
+
+test:
+	(cd test && nosetests -v test.py)
+
+%.pb.go: %.proto
+	protoc --go_out=. $^