# SPDX-License-Identifier: GPL-2.0 # # Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. FILES := $(filter-out %/main.go,$(wildcard ../wireguard-go/*/*.go) $(wildcard ../wireguard-go/*.go)) NDK_GO_ARCH_MAP_x86 := 386 NDK_GO_ARCH_MAP_x86_64 := amd64 NDK_GO_ARCH_MAP_arm := arm NDK_GO_ARCH_MAP_arm64 := arm64 NDK_GO_ARCH_MAP_mips := mipsx NDK_GO_ARCH_MAP_mips64 := mips64x CLANG_FLAGS := --target=$(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 := $(shell uname -s | tr '[:upper:]' '[:lower:]') GOBUILDVERSION := 1.10.2 GOBUILDTARBALL := https://dl.google.com/go/go$(GOBUILDVERSION).$(GOBUILDOS)-$(GOBUILDARCH).tar.gz GOBUILDVERSION_NEEDED := go version go$(GOBUILDVERSION) $(GOBUILDOS)/$(GOBUILDARCH) GOBUILDVERSION_CURRENT := $(shell go version 2>/dev/null) ifeq ($(GOBUILDVERSION_NEEDED),$(GOBUILDVERSION_CURRENT)) $(info Using system Go) else export GOROOT := $(CURDIR)/goroot export PATH := $(GOROOT)/bin:$(PATH) GOBUILDVERSION_CURRENT := $(shell $(GOROOT)/bin/go version 2>/dev/null) ifneq ($(GOBUILDVERSION_NEEDED),$(GOBUILDVERSION_CURRENT)) $(shell rm -f $(GOROOT)/bin/go) endif $(GOROOT)/bin/go: rm -rf "$(GOROOT)" mkdir -p "$(GOROOT)" curl "$(GOBUILDTARBALL)" | tar -C "$(GOROOT)" --strip-components=1 -xzf - || { rm -rf "$(GOROOT)"; exit 1; } patch -p1 -f -N -r- -d "$(GOROOT)" < goruntime-boottime-over-monotonic.diff || { rm -rf "$(GOROOT)"; exit 1; } $(DESTDIR)/libwg-go.so: $(GOROOT)/bin/go endif $(shell test "$$(cat .gobuildversion 2>/dev/null)" = "$(GOBUILDVERSION_CURRENT)" || rm -f "$(DESTDIR)/libwg-go.so") $(DESTDIR)/libwg-go.so: $(FILES) src/git.zx2c4.com/wireguard-go/api-android.go src/git.zx2c4.com/wireguard-go/tun/api-android.go src/git.zx2c4.com/wireguard-go/jni.c @goroot="$$(go env GOROOT)" || exit 1; patch -p1 -f -R -s --dry-run -d "$$goroot" < goruntime-boottime-over-monotonic.diff >/dev/null 2>&1 || { echo "ERROR: Your system's Go is not patched to use the suspend-aware monotonic clock. Please try again after having run: \`patch -p1 -d \"$$goroot\" < \"$(CURDIR)/goruntime-boottime-over-monotonic.diff\"\`."; exit 1; } find . -name '*.go' -type l -delete find . -type d -empty -delete mkdir -p $(subst ../wireguard-go/,./src/git.zx2c4.com/wireguard-go/,$(dir $(FILES))) $(foreach FILE,$(FILES),ln -sfrt $(subst ../wireguard-go/,./src/git.zx2c4.com/wireguard-go/,$(dir $(FILE))) $(FILE);) GOPATH=$(PWD) go get -v -d git.zx2c4.com/wireguard-go GOPATH=$(PWD) go build -v -o $(DESTDIR)/libwg-go.so -buildmode c-shared git.zx2c4.com/wireguard-go go version > .gobuildversion