Add darwin release targets

Fixes #38

Author: jwilder

Makefile

@@ -13,12 +13,18 @@ docker-gen:
 dist-clean:
 	rm -rf dist
 	rm -f docker-gen-linux-*.tar.gz
+	rm -f docker-gen-darwin-*.tar.gz
 
 dist: dist-clean
 	mkdir -p dist/linux/amd64 && GOOS=linux GOARCH=amd64 go build -o dist/linux/amd64/docker-gen
 	mkdir -p dist/linux/i386  && GOOS=linux GOARCH=386 go build -o dist/linux/i386/docker-gen
+	mkdir -p dist/darwin/amd64 && GOOS=darwin GOARCH=amd64 go build -o dist/darwin/amd64/docker-gen
+	mkdir -p dist/darwin/i386  && GOOS=darwin GOARCH=386 go build -o dist/darwin/i386/docker-gen
+
 
 release: dist
 	glock sync github.com/jwilder/docker-gen
 	tar -cvzf docker-gen-linux-amd64-$(TAG).tar.gz -C dist/linux/amd64 docker-gen
-	tar -cvzf docker-gen-linux-i386-$(TAG).tar.gz -C dist/linux/i386 docker-gen
+	tar -cvzf docker-gen-linux-i386-$(TAG).tar.gz -C dist/linux/i386 docker-gen
+	tar -cvzf docker-gen-darwin-amd64-$(TAG).tar.gz -C dist/darwin/amd64 docker-gen
+	tar -cvzf docker-gen-darwin-i386-$(TAG).tar.gz -C dist/darwin/i386 docker-gen