release binaries

.gitignore

@@ -1,4 +1,5 @@
 *.iml
 .idea/
 cidr-merger
+dist/
 target/

Makefile

@@ -0,0 +1,53 @@
+VERSION=$(shell git describe --exact-match --tags 2>/dev/null | sed 's/^v//')
+ifeq ($(VERSION),)
+    VERSION=$(shell git rev-list -1 HEAD)
+endif
+
+export CGO_ENABLED=0
+LDFLAGS=-X main.VERSION=$(VERSION) -s -w
+GCFLAGS=
+
+BINARIES=
+define compile
+dist/cidr-merger-$(1)-$(or $(3),$(2))$(if $(filter windows,$(1)),.exe):
+	mkdir -p $$(@D)
+	GOOS=$(1) GOARCH=$(2) $(4) go build -ldflags "$$(LDFLAGS)" -gcflags "$$(GCFLAGS)" -o $$@
+BINARIES+=dist/cidr-merger-$(1)-$(or $(3),$(2))$(if $(filter windows,$(1)),.exe)
+endef
+
+dist/cidr-merger:
+	mkdir -p $(@D)
+	go build -ldflags "$(LDFLAGS)" -gcflags "$(GCFLAGS)" -o $@
+
+$(eval $(call compile,darwin,amd64))
+$(eval $(call compile,darwin,arm64))
+$(eval $(call compile,dragonfly,amd64))
+$(eval $(call compile,freebsd,386))
+$(eval $(call compile,freebsd,amd64))
+$(eval $(call compile,linux,386))
+$(eval $(call compile,linux,amd64))
+$(eval $(call compile,linux,arm,arm5,GOARM=5))
+$(eval $(call compile,linux,arm,arm6,GOARM=6))
+$(eval $(call compile,linux,arm,arm7,GOARM=7))
+$(eval $(call compile,linux,arm64))
+$(eval $(call compile,linux,mips,mips-hard,GOMIPS=hardfloat))
+$(eval $(call compile,linux,mips,mips-soft,GOMIPS=softfloat))
+$(eval $(call compile,linux,mipsle,mipsle-hard,GOMIPS=hardfloat))
+$(eval $(call compile,linux,mipsle,mipsle-soft,GOMIPS=softfloat))
+$(eval $(call compile,linux,mips64,mips64-hard,GOMIPS64=hardfloat))
+$(eval $(call compile,linux,mips64,mips64-soft,GOMIPS64=softfloat))
+$(eval $(call compile,linux,mips64le,mips64le-hard,GOMIPS64=hardfloat))
+$(eval $(call compile,linux,mips64le,mips64le-soft,GOMIPS64=softfloat))
+$(eval $(call compile,netbsd,386))
+$(eval $(call compile,netbsd,amd64))
+$(eval $(call compile,openbsd,386))
+$(eval $(call compile,openbsd,amd64))
+$(eval $(call compile,windows,386))
+$(eval $(call compile,windows,amd64))
+
+all: $(BINARIES)
+.PHONY: all
+
+clean:
+	rm -rf dist
+.PHONY: clean