# SPDX-License-Identifier: Apache-2.0 # # Copyright © 2017-2023 WireGuard LLC. All Rights Reserved. BUILDDIR ?= $(CURDIR)/build DESTDIR ?= $(CURDIR)/out NDK_GO_ARCH_MAP_x86 := 386 NDK_GO_ARCH_MAP_x86_64 := amd64 NDK_GO_ARCH_MAP_arm := arm NDK_GO_ARCH_MAP_arm64 := arm64 NDK_GO_ARCH_MAP_mips := mipsx NDK_GO_ARCH_MAP_mips64 := mips64x comma := , CLANG_FLAGS := --target=$(TARGET) --sysroot=$(SYSROOT) export CGO_CFLAGS := $(CLANG_FLAGS) $(subst -mthumb,-marm,$(CFLAGS)) export CGO_LDFLAGS := $(CLANG_FLAGS) $(patsubst -Wl$(comma)--build-id=%,-Wl$(comma)--build-id=none,$(LDFLAGS)) -Wl,-soname=libwg-go.so export GOARCH := $(NDK_GO_ARCH_MAP_$(ANDROID_ARCH_NAME)) export GOOS := android export CGO_ENABLED := 1 GO_VERSION := 1.20.3 GO_PLATFORM := $(shell uname -s | tr '[:upper:]' '[:lower:]')-$(NDK_GO_ARCH_MAP_$(shell uname -m)) GO_TARBALL := go$(GO_VERSION).$(GO_PLATFORM).tar.gz GO_HASH_darwin-amd64 := c1e1161d6d859deb576e6cfabeb40e3d042ceb1c6f444f617c3c9d76269c3565 GO_HASH_darwin-arm64 := 86b0ed0f2b2df50fa8036eea875d1cf2d76cefdacf247c44639a1464b7e36b95 GO_HASH_linux-amd64 := 979694c2c25c735755bf26f4f45e19e64e4811d661dd07b8c010f7a8e18adfca default: $(DESTDIR)/libwg-go.so $(GRADLE_USER_HOME)/caches/golang/$(GO_TARBALL): mkdir -p "$(dir $@)" flock "$@.lock" -c ' \ [ -f "$@" ] && exit 0; \ curl -o "$@.tmp" "https://dl.google.com/go/$(GO_TARBALL)" && \ echo "$(GO_HASH_$(GO_PLATFORM)) $@.tmp" | sha256sum -c && \ mv "$@.tmp" "$@"' $(BUILDDIR)/go-$(GO_VERSION)/.prepared: $(GRADLE_USER_HOME)/caches/golang/$(GO_TARBALL) mkdir -p "$(dir $@)" flock "$@.lock" -c ' \ [ -f "$@" ] && exit 0; \ tar -C "$(dir $@)" --strip-components=1 -xzf "$^" && \ patch -p1 -f -N -r- -d "$(dir $@)" < goruntime-boottime-over-monotonic.diff && \ touch "$@"' $(DESTDIR)/libwg-go.so: export PATH := $(BUILDDIR)/go-$(GO_VERSION)/bin/:$(PATH) $(DESTDIR)/libwg-go.so: $(BUILDDIR)/go-$(GO_VERSION)/.prepared go.mod go build -tags linux -ldflags="-X golang.zx2c4.com/wireguard/ipc.socketDirectory=/data/data/$(ANDROID_PACKAGE_NAME)/cache/wireguard -buildid=" -v -trimpath -o "$@" -buildmode c-shared .DELETE_ON_ERROR: