add multiple architectures builds

.gitignore

@@ -1 +1,3 @@
 /bin/*
+/build/*
+!/build/.gitkeep

.woodpecker.yml

@@ -16,6 +16,6 @@ pipeline:
         from_secret: gitnet_api_key
       base_url: https://gitnet.fr
       note:
-      files: bin/mugo
+      files: build/mugo
     when:
       event: [tag]

Makefile

@@ -1,5 +1,60 @@
-build: fmt
-	CGO_ENABLED=0 go build -ldflags '-s -w' -v -o bin/mugo ./src
+CGO_ENABLED = 0
+DIR         = ./build
+GOARCH		= amd64
+GOARM		= arm64
+GOOSWIN		= windows
+GOOSX		= darwin
+GOOSLINUX	= linux
+EXECUTABLE  = mugo
+
+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)" ./src
+
+.PHONY: $(ARMBIN)
+$(ARMBIN):
+	GO111MODULE=$(GOMOD) GOARCH=$(GOARCH) GOOS=$(GOOSLINUX) CGO_ENABLED=$(CGO_ENABLED) $(CC) $(CFLAGS) -o $(ARMBIN) -ldflags="$(LDFLAGS)" -gcflags="$(GCFLAGS)" -asmflags="$(ASMFLAGS)" ./src
+
+.PHONY: $(LINUXBIN)
+$(LINUXBIN):
+	GO111MODULE=$(GOMOD) GOARCH=$(GOARCH) GOOS=$(GOOSLINUX) CGO_ENABLED=$(CGO_ENABLED) $(CC) $(CFLAGS) -o $(LINUXBIN) -ldflags="$(LDFLAGS)" -gcflags="$(GCFLAGS)" -asmflags="$(ASMFLAGS)" ./src
+
+.PHONY: $(WINBIN)
+$(WINBIN):
+	GO111MODULE=$(GOMOD) GOARCH=$(GOARCH) GOOS=$(GOOSWIN) CGO_ENABLED=$(CGO_ENABLED) $(CC) $(CFLAGS) -o $(WINBIN) -ldflags="$(LDFLAGS)" -gcflags="$(GCFLAGS)" -asmflags="$(ASMFLAGS)" ./src
+
+.PHONY: clean
+clean:
+	rm -rf $(DIR)/*
 
 tool-gofumpt:
 	which golangci-lint > /dev/null 2>&1 || go install mvdan.cc/gofumpt@latest