containing = $(foreach v,$2,$(if $(findstring $1,$v),$v)) FILES := $(wildcard ../wireguard-go/*/*.go) $(wildcard ../wireguard-go/*.go) FILES := $(filter-out %/main.go $(filter-out %_linux.go,$(call containing,_,$(FILES))),$(FILES)) NDK_GO_ARCH_MAP_x86 := 386 NDK_GO_ARCH_MAP_x86_64 := amd64 NDK_GO_ARCH_MAP_arm := arm NDK_GO_ARCH_MAP_arm64 := arm64 NDK_GO_ARCH_MAP_mips := mipsx NDK_GO_ARCH_MAP_mips64 := mips64x export GOPATH := $(CURDIR)/gopath CLANG_FLAGS := --target=$(ANDROID_LLVM_TRIPLE) --gcc-toolchain=$(ANDROID_TOOLCHAIN_ROOT) --sysroot=$(ANDROID_SYSROOT) export CGO_CFLAGS := $(CLANG_FLAGS) $(CFLAGS) export CGO_LDFLAGS := $(CLANG_FLAGS) $(LDFLAGS) export CC := $(ANDROID_C_COMPILER) export GOARCH := $(NDK_GO_ARCH_MAP_$(ANDROID_ARCH_NAME)) export GOOS := android export CGO_ENABLED := 1 default: $(DESTDIR)/libwg-go.so GOBUILDARCH := $(NDK_GO_ARCH_MAP_$(shell uname -m)) GOBUILDOS := $(shell uname -s | tr '[:upper:]' '[:lower:]') GOBUILDVERSION := 1.10.1 GOBUILDTARBALL := https://dl.google.com/go/go$(GOBUILDVERSION).$(GOBUILDOS)-$(GOBUILDARCH).tar.gz ifeq (go version go$(GOBUILDVERSION) $(GOBUILDOS)/$(GOBUILDARCH),$(shell go version 2>/dev/null)) ensure_go_exists: @echo "Using system go" else export GOROOT := $(CURDIR)/goroot export PATH := $(GOROOT)/bin:$(PATH) $(GOROOT)/bin/go: rm -rf "$(GOROOT)" mkdir -p "$(GOROOT)" curl "$(GOBUILDTARBALL)" | tar -C "$(GOROOT)" --strip-components=1 -xzf - || rm -rf "$(GOROOT)" ensure_go_exists: $(GOROOT)/bin/go endif $(DESTDIR)/libwg-go.so: $(FILES) api-android.go jni.c ensure_go_exists find . -name '*.go' -type l -delete find . -type d -empty -delete mkdir -p $(subst ../wireguard-go/,./,$(dir $(FILES))) $(foreach FILE,$(FILES),ln -sfrt $(subst ../wireguard-go/,./,$(dir $(FILE))) $(FILE);) go get -v -d go build -v -o $(DESTDIR)/libwg-go.so -buildmode c-shared .PHONY: ensure_go_exists