Makefile

.PHONY: all debug release universal arm64 amd64 \
	install_sdk purge_sdk check_go ndk_version clean help \
	--init-conf --setup-conf

ifdef NO_CLIENT
ifdef NO_SERVER
$(error At least one of frpc/frps should be enabled)
endif
endif

SDK_DIR := $(shell grep '^sdk\.dir=.*' local.properties 2>/dev/null | sed 's/sdk\.dir=//g')
ifneq ($(SDK_DIR),)
ANDROID_HOME := $(SDK_DIR)
endif
ifndef ANDROID_HOME
$(error Android SDK not found)
endif

SED_I := sed -i
ifeq ($(shell uname -s),Darwin)
SED_I := sed -i ''
endif

SDK_MANAGER ?= $(ANDROID_HOME)/cmdline-tools/latest/bin/sdkmanager
C_SDK := $(shell grep -o "compileSdkVersion [0-9]*" app/build.gradle | sed "s/compileSdk\ =\ //")

all:
	@env TERM=dumb ./gradlew assembleRelease
	@mkdir -p app/release

debug:
	@env TERM=dumb ./gradlew assembleDebug

release: universal arm64 amd64

universal: --init_conf --setup_conf
	@$(MAKE) -- all
	@mv -v app/build/outputs/apk/release/app-release-unsigned.apk app/release/
	@$(MAKE) -- --init_conf
	@if [ ! -s local.properties ]; then rm -f local.properties; fi

arm64: --init_conf --setup_conf
	@echo 'frp.disableAmd64=true' | tee -a local.properties
	@$(MAKE) -- all
	@mv -v app/build/outputs/apk/release/app-release-unsigned.apk app/release/app-release-aarch64-unsigned.apk
	@$(MAKE) -- --init_conf
	@if [ ! -s local.properties ]; then rm -f local.properties; fi

amd64: --init_conf --setup_conf
	@echo 'frp.disableArm64=true' | tee -a local.properties
	@$(MAKE) -- all
	@mv -v app/build/outputs/apk/release/app-release-unsigned.apk app/release/app-release-x86_64-unsigned.apk
	@$(MAKE) -- --init_conf
	@if [ ! -s local.properties ]; then rm -f local.properties; fi

install_sdk:
	@export TERM=dumb; \
	yes 2>/dev/null | $(SDK_MANAGER) --verbose --install "build-tools;$(C_SDK).0.0" "platforms;android-$(C_SDK)"; \
	export C_NDK=`$(MAKE) -s -- ndk_version`; \
	yes 2>/dev/null | $(SDK_MANAGER) --verbose --install "ndk;$$C_NDK"

purge_sdk:
	@echo "WARNING：Removing all Android SDK components (except cmdline-tools)!"; \
	echo "This may affect your other Android projects!"; \
	echo "Press Control-C in 10 seconds to abort:"; \
	for i in 10 9 8 7 6 5 4 3 2 1; do \
		echo "$$i..."; \
		sleep 1; \
	done; \
	echo; \
	export TERM=dumb; \
	yes 2>/dev/null | $(SDK_MANAGER) --verbose --uninstall `$(SDK_MANAGER) --list_installed | awk '{print $$1}' | grep -e '^[a-z]' | grep -v 'cmdline-tools'`

check_go:
	@if [ -z $$GO_VERSION ]; then export GO_VERSION=`grep -o '^go\ [0-9]*\.[0-9]*.*' frp/go.mod | sed 's/go\ //g'`; fi; \
	if [ `echo $$GO_VERSION | tr '.' '\n' | wc -l` -lt 3 ]; then export GO_VERSION=$$GO_VERSION.0; fi; \
	export GO_INSTALLED=`env go version | grep -o 'go[0-9]*\.[0-9]*\.[0-9]*' | sed 's/go//g'`; \
	echo Wanted Go $$GO_VERSION; \
	echo Actual Go $$GO_INSTALLED; \
	test $$GO_VERSION = $$GO_INSTALLED

ndk_version:
	@export TERM=dumb; ./gradlew ndkVersion 2>&1 >/dev/null; \
	./gradlew ndkVersion --quiet

clean:
	@env TERM=dumb ./gradlew clean

help:
	@echo "Commands:"; \
	echo "  Build:"; \
	echo "    all              - Build unsigned apk（without changing configurations）"; \
	echo "    debug            - Build debug apk"; \
	echo "    release          - Build all unsigned release (amd64, arm64, universal)"; \
	echo "    universal        - Build unsigned universal release"; \
	echo "    arm64            - Build unsigned arm64 release"; \
	echo "    amd64            - Build unsigned amd64 release"; \
	echo ""; \
	echo "  Tools:"; \
	echo "    install_sdk      - Install required SDK/NDK packages"; \
	echo "    purge_sdk        - Remove all SDK packages except cmdline-tools (Dangerous!)"; \
	echo "    check_go         - Check if Go version is correct"; \
	echo "    ndk_version      - Show project NDK version"; \
	echo "    clean            - Clean up built files"; \
	echo "    help             - Show this help"; \
	echo ""; \
	echo "  Env (optional):"; \
	echo "    GO_VERSION       - Use this go version instead of that specified in go.mod"; \
	echo "    SDK_MANAGER      - Use this sdkmanager instead of that under ANDROID_HOME"; \
	echo "    NO_CLIENT        - Disable frpc (any value)"; \
	echo "    NO_SERVER        - Disable frps (any value)"; \
	echo "    USE_PREBUILT     - Use prebuilt frp binaries (any value)"

# Internal
--init_conf:
	@if [ -s local.properties ]; then \
	  $(SED_I) '/^## This file is automatically generated by Make/d' local.properties; \
	  $(SED_I) '/frp.disableClient/d' local.properties; \
	  $(SED_I) '/frp.disableServer/d' local.properties; \
	  $(SED_I) '/frp.disableArm64/d' local.properties; \
	  $(SED_I) '/frp.disableAmd64/d' local.properties; \
	  $(SED_I) '/frp.usePrebuiltExecutables/d' local.properties; \
	else \
	  echo '## This file is automatically generated by Make. DO NOT EDIT THIS' > local.properties; \
	fi

--setup_conf:
ifndef USE_PREBUILT
	@$(MAKE) check_go
else
	@echo frp.usePrebuiltExecutables=true | tee -a local.properties
endif
ifdef NO_CLIENT
	@echo frp.disableClient=true | tee -a local.properties
endif
ifdef NO_SERVER
	@echo frp.disableServer=true | tee -a local.properties
endif