add releasing configs

Makefile

@@ -1,15 +1,26 @@
 BINARY = weed/weed
+package = github.com/chrislusf/seaweedfs/weed
 
 GO_FLAGS = #-v
 SOURCE_DIR = ./weed/
 
+appname := weed
+
+sources := $(wildcard *.go)
+
+build = GOOS=$(1) GOARCH=$(2) go build -o build/$(appname)$(3) $(SOURCE_DIR)
+tar = cd build && tar -cvzf $(1)_$(2).tar.gz $(appname)$(3) && rm $(appname)$(3)
+zip = cd build && zip $(1)_$(2).zip $(appname)$(3) && rm $(appname)$(3)
+
+
 all: build
 
-.PHONY : clean deps build linux
+.PHONY : clean deps build linux release windows_build darwin_build linux_build clean
 
 clean:
 	go clean -i $(GO_FLAGS) $(SOURCE_DIR)
 	rm -f $(BINARY)
+	rm -rf build/
 
 deps:
 	go get $(GO_FLAGS) -d $(SOURCE_DIR)
@@ -20,3 +31,42 @@ build: deps
 linux: deps
 	mkdir -p linux
 	GOOS=linux GOARCH=amd64 go build $(GO_FLAGS) -o linux/$(BINARY) $(SOURCE_DIR)
+
+release: windows_build darwin_build linux_build
+
+##### LINUX BUILDS #####
+linux_build: build/linux_arm.tar.gz build/linux_arm64.tar.gz build/linux_386.tar.gz build/linux_amd64.tar.gz
+
+build/linux_386.tar.gz: $(sources)
+	$(call build,linux,386,)
+	$(call tar,linux,386)
+
+build/linux_amd64.tar.gz: $(sources)
+	$(call build,linux,amd64,)
+	$(call tar,linux,amd64)
+
+build/linux_arm.tar.gz: $(sources)
+	$(call build,linux,arm,)
+	$(call tar,linux,arm)
+
+build/linux_arm64.tar.gz: $(sources)
+	$(call build,linux,arm64,)
+	$(call tar,linux,arm64)
+
+##### DARWIN (MAC) BUILDS #####
+darwin_build: build/darwin_amd64.tar.gz
+
+build/darwin_amd64.tar.gz: $(sources)
+	$(call build,darwin,amd64,)
+	$(call tar,darwin,amd64)
+
+##### WINDOWS BUILDS #####
+windows_build: build/windows_386.zip build/windows_amd64.zip
+
+build/windows_386.zip: $(sources)
+	$(call build,windows,386,.exe)
+	$(call zip,windows,386,.exe)
+
+build/windows_amd64.zip: $(sources)
+	$(call build,windows,amd64,.exe)
+	$(call zip,windows,amd64,.exe)