Makefile.cross-compiles

## 简单的跨平台构建脚本
##
## 使用方式（在仓库根目录）：
##   make -f Makefile.cross-compiles all      # 构建所有平台的二进制 + 压缩包 + AAR
##   make -f Makefile.cross-compiles app      # 构建各平台（二进制 + zip）
##   make -f Makefile.cross-compiles android-aar      # 只构建 Android AAR

GO        ?= go
GOMOBILE  ?= gomobile
BUILD_DIR ?= release

os-archs := linux:amd64 linux:arm:7 linux:arm64 windows:amd64 darwin:amd64

SERVER_BIN_PREFIX := $(BUILD_DIR)/forward-server
AGENT_BIN_PREFIX  := $(BUILD_DIR)/forward-agent

# Android AAR 相关文件名
ANDROID_AAR_DIR       := $(BUILD_DIR)
ANDROID_AAR_RAW_FILE  := portforward_raw.aar
ANDROID_AAR_FILE      := portforward.aar

.PHONY: all deps gomobile-deps app android-aar clean

all: deps app android-aar

## 依赖下载（多模块一次性处理）
deps:
	cd forward-core && $(GO) mod download all
	cd forward-server && $(GO) mod download all
	cd forward-agent && $(GO) mod download all

## gomobile 相关依赖（仅用于生成 AAR）
## 不自动执行，仅在需要时手动运行：
##   make -f Makefile.cross-compiles gomobile-deps
gomobile-deps:
	cd forward-agent && $(GO) get golang.org/x/mobile/bind
	cd forward-agent && $(GO) mod tidy

app:
	mkdir -p $(BUILD_DIR)
	@for n in $(os-archs); do \
		os=$$(echo "$$n" | cut -d : -f 1); \
		arch=$$(echo "$$n" | cut -d : -f 2); \
		extra=$$(echo "$$n" | cut -d : -f 3); \
		flags=""; \
		target_suffix="$${os}-$${arch}"; \
		bin_ext=""; \
		if [ "$$os" = "windows" ]; then bin_ext=".exe"; fi; \
		if [ "$$os" = "linux" ] && [ "$$arch" = "arm" ] && [ "$$extra" != "" ]; then \
			if [ "$$extra" = "7" ]; then \
				flags="GOARM=7"; \
				target_suffix="$${os}-arm-hf"; \
			elif [ "$$extra" = "5" ]; then \
				flags="GOARM=5"; \
				target_suffix="$${os}-arm"; \
			fi; \
		elif [ "$$os" = "linux" ] && ([ "$$arch" = "mips" ] || [ "$$arch" = "mipsle" ]) && [ "$$extra" != "" ]; then \
			flags="GOMIPS=$${extra}"; \
		fi; \
		echo "Build $$os-$$arch$${extra:+ ($$extra)} forward-server..."; \
		cd "$(CURDIR)/forward-server" && env CGO_ENABLED=0 GOOS=$$os GOARCH=$$arch $$flags $(GO) build -trimpath -o "../$(SERVER_BIN_PREFIX).$${target_suffix}$${bin_ext}"; \
		echo "Build $$os-$$arch$${extra:+ ($$extra)} forward-agent..."; \
		cd "$(CURDIR)/forward-agent" && env CGO_ENABLED=0 GOOS=$$os GOARCH=$$arch $$flags $(GO) build -trimpath -o "../$(AGENT_BIN_PREFIX).$${target_suffix}$${bin_ext}"; \
		echo "Package $$os-$$arch$${extra:+ ($$extra)} forward-server..."; \
		rm -rf "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}"; \
		mkdir -p "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}/forward-server"; \
		cp "$(CURDIR)/$(SERVER_BIN_PREFIX).$${target_suffix}$${bin_ext}" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}/forward-server/forward-server$${bin_ext}"; \
		cp -r "$(CURDIR)/forward-server/conf" "$(CURDIR)/forward-server/static" "$(CURDIR)/forward-server/views" "$(CURDIR)/forward-server/data" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}/forward-server/"; \
		if [ "$$os" = "windows" ]; then \
			cp "$(CURDIR)/forward-server/start.bat" "$(CURDIR)/forward-server/stop.bat" "$(CURDIR)/README.md" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}/forward-server/"; \
		else \
			cp "$(CURDIR)/forward-server/start.sh" "$(CURDIR)/forward-server/stop.sh" "$(CURDIR)/README.md" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}/forward-server/"; \
		fi; \
		cd "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}" && zip -r "../forward-server.$${target_suffix}.zip" forward-server; \
		rm -rf "$(CURDIR)/$(BUILD_DIR)/tmp-forward-server-$${target_suffix}"; \
		rm -f "$(CURDIR)/$(SERVER_BIN_PREFIX).$${target_suffix}$${bin_ext}"; \
		echo "Package $$os-$$arch$${extra:+ ($$extra)} forward-agent..."; \
		rm -rf "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}"; \
		mkdir -p "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}/forward-agent"; \
		cp "$(CURDIR)/$(AGENT_BIN_PREFIX).$${target_suffix}$${bin_ext}" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}/forward-agent/forward-agent$${bin_ext}"; \
		cp -r "$(CURDIR)/forward-agent/conf" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}/forward-agent/"; \
		if [ "$$os" = "windows" ]; then \
			cp "$(CURDIR)/forward-agent/start.bat" "$(CURDIR)/forward-agent/stop.bat" "$(CURDIR)/README.md" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}/forward-agent/"; \
		else \
			cp "$(CURDIR)/forward-agent/start.sh" "$(CURDIR)/forward-agent/stop.sh" "$(CURDIR)/README.md" "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}/forward-agent/"; \
		fi; \
		cd "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}" && zip -r "../forward-agent.$${target_suffix}.zip" forward-agent; \
		rm -rf "$(CURDIR)/$(BUILD_DIR)/tmp-forward-agent-$${target_suffix}"; \
		rm -f "$(CURDIR)/$(AGENT_BIN_PREFIX).$${target_suffix}$${bin_ext}"; \
		echo "Build $$os-$$arch$${extra:+ ($$extra)} done"; \
	done

## ============ Android AAR (gomobile bind) ============
##
## 样式参考 frp：不在这里指定 x/mobile 版本，
## 只依赖已经安装好的 gomobile/gobind 和模块依赖。

android-aar: deps
	mkdir -p $(ANDROID_AAR_DIR)
	@echo "Build Android raw AAR (gomobile bind)..."
	cd forward-agent && env CGO_ENABLED=1 GOOS=android GOMOBILE_JAVACFLAGS="-encoding UTF-8" $(GOMOBILE) bind -target=android -javapkg com.android.portforward -o ../$(ANDROID_AAR_DIR)/$(ANDROID_AAR_RAW_FILE) ./mobile
	@echo "Convert raw AAR to dex AAR ($(ANDROID_AAR_FILE))..."
	@./make_frp_dex_aar.sh "$(ANDROID_AAR_DIR)" "$(ANDROID_AAR_RAW_FILE)" "$(ANDROID_AAR_FILE)"

## ============ Clean =============

clean:
	rm -rf $(BUILD_DIR)