build multi-arch binaries

.woodpecker/build.yml

@@ -19,7 +19,7 @@ steps:
   "Run build":
     image: *golang_image
     commands:
-      - CGO_ENABLED=0 go build
+      - make
 
   "Publish":
     image: plugins/gitea-release
@@ -27,6 +27,6 @@ steps:
       api_key:
         from_secret: gitnet_api_key
       base_url: https://gitnet.fr
-      files: ./expiration-check
+      files: ./build/*
     when:
       event: [tag]

Makefile

@@ -1,2 +1,57 @@
-build:
-	go build
+CGO_ENABLED = 0
+DIR         = ./build
+GOARCH		= amd64
+GOARM		= arm64
+GOOSWIN		= windows
+GOOSX		= darwin
+GOOSLINUX	= linux
+EXECUTABLE  = expiration-check
+
+WINBIN 		= $(DIR)/$(EXECUTABLE)-win-$(GOARCH).exe
+OSXBIN 		= $(DIR)/$(EXECUTABLE)-darwin-$(GOARCH)
+LINUXBIN 	= $(DIR)/$(EXECUTABLE)-linux-$(GOARCH)
+ARMBIN 	    = $(DIR)/$(EXECUTABLE)-linux-$(GOARM)
+
+CC 		    = go build
+CFLAGS		= -trimpath
+LDFLAGS		= all=-w -s
+GCFLAGS 	= all=
+ASMFLAGS 	= all=
+
+.PHONY: all
+all: darwin linux win64 arm
+
+.PHONY: linux
+linux: $(LINUXBIN)
+	chmod +x $(LINUXBIN)
+
+.PHONY: arm
+arm: $(ARMBIN)
+	chmod +x $(ARMBIN)
+
+.PHONY: darwin
+darwin: $(OSXBIN)
+	chmod +x $(OSXBIN)
+
+.PHONY: win64
+win64: $(WINBIN)
+
+.PHONY: $(OSXBIN)
+$(OSXBIN):
+	GO111MODULE=$(GOMOD) GOARCH=$(GOARCH) GOOS=$(GOOSX) CGO_ENABLED=$(CGO_ENABLED) $(CC) $(CFLAGS) -o $(OSXBIN) -ldflags="$(LDFLAGS)" -gcflags="$(GCFLAGS)" -asmflags="$(ASMFLAGS)" .
+
+.PHONY: $(ARMBIN)
+$(ARMBIN):
+	GO111MODULE=$(GOMOD) GOARCH=$(GOARCH) GOOS=$(GOOSLINUX) CGO_ENABLED=$(CGO_ENABLED) $(CC) $(CFLAGS) -o $(ARMBIN) -ldflags="$(LDFLAGS)" -gcflags="$(GCFLAGS)" -asmflags="$(ASMFLAGS)" .
+
+.PHONY: $(LINUXBIN)
+$(LINUXBIN):
+	GO111MODULE=$(GOMOD) GOARCH=$(GOARCH) GOOS=$(GOOSLINUX) CGO_ENABLED=$(CGO_ENABLED) $(CC) $(CFLAGS) -o $(LINUXBIN) -ldflags="$(LDFLAGS)" -gcflags="$(GCFLAGS)" -asmflags="$(ASMFLAGS)" .
+
+.PHONY: $(WINBIN)
+$(WINBIN):
+	GO111MODULE=$(GOMOD) GOARCH=$(GOARCH) GOOS=$(GOOSWIN) CGO_ENABLED=$(CGO_ENABLED) $(CC) $(CFLAGS) -o $(WINBIN) -ldflags="$(LDFLAGS)" -gcflags="$(GCFLAGS)" -asmflags="$(ASMFLAGS)" .
+
+.PHONY: clean
+clean:
+	rm -rf $(DIR)/*