73 lines
3.1 KiB
Makefile
73 lines
3.1 KiB
Makefile
# SPDX-License-Identifier: Apache-2.0
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#
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# Copyright © 2017-2018 WireGuard LLC. All Rights Reserved.
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UPSTREAM_FILES := $(filter-out %/main.go %/queueconstants.go,$(wildcard ../wireguard-go/*/*.go) $(wildcard ../wireguard-go/*.go)) ../wireguard-go/go.mod ../wireguard-go/go.sum
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DOWNSTREAM_FILES := $(wildcard src/*.go) $(wildcard src/*/*.go)
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BUILDDIR ?= $(CURDIR)/build
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DESTDIR ?= $(CURDIR)/out
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NDK_GO_ARCH_MAP_x86 := 386
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NDK_GO_ARCH_MAP_x86_64 := amd64
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NDK_GO_ARCH_MAP_arm := arm
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NDK_GO_ARCH_MAP_arm64 := arm64
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NDK_GO_ARCH_MAP_mips := mipsx
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NDK_GO_ARCH_MAP_mips64 := mips64x
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CLANG_FLAGS := --target=$(ANDROID_LLVM_TRIPLE) --gcc-toolchain=$(ANDROID_TOOLCHAIN_ROOT) --sysroot=$(ANDROID_SYSROOT)
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export CGO_CFLAGS := $(CLANG_FLAGS) $(CFLAGS)
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export CGO_LDFLAGS := $(CLANG_FLAGS) $(LDFLAGS)
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export CC := $(ANDROID_C_COMPILER)
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export GOARCH := $(NDK_GO_ARCH_MAP_$(ANDROID_ARCH_NAME))
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export GOOS := android
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export CGO_ENABLED := 1
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default: $(DESTDIR)/libwg-go.so
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GOBUILDARCH := $(NDK_GO_ARCH_MAP_$(shell uname -m))
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GOBUILDOS := $(shell uname -s | tr '[:upper:]' '[:lower:]')
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GOBUILDVERSION := 1.11
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GOBUILDTARBALL := https://dl.google.com/go/go$(GOBUILDVERSION).$(GOBUILDOS)-$(GOBUILDARCH).tar.gz
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GOBUILDVERSION_NEEDED := go version go$(GOBUILDVERSION) $(GOBUILDOS)/$(GOBUILDARCH)
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GOBUILDVERSION_CURRENT := $(shell go version 2>/dev/null)
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HAVE_PATCHED_GO := $(shell patch -p1 -f -R -s --dry-run -d "$$(go env GOROOT)" < $(dir $(abspath $(lastword $(MAKEFILE_LIST))))/goruntime-boottime-over-monotonic.diff >/dev/null 2>&1 && echo yes)
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ifeq ($(GOBUILDVERSION_NEEDED)|$(HAVE_PATCHED_GO),$(GOBUILDVERSION_CURRENT)|yes)
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$(info Using system Go)
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else
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export GOROOT := $(BUILDDIR)/goroot
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export PATH := $(GOROOT)/bin:$(PATH)
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GOBUILDVERSION_CURRENT := $(shell $(GOROOT)/bin/go version 2>/dev/null)
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ifneq ($(GOBUILDVERSION_NEEDED),$(GOBUILDVERSION_CURRENT))
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$(shell rm -f $(GOROOT)/bin/go)
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endif
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$(GOROOT)/bin/go:
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rm -rf "$(GOROOT)"
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mkdir -p "$(GOROOT)"
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curl "$(GOBUILDTARBALL)" | tar -C "$(GOROOT)" --strip-components=1 -xzf - || { rm -rf "$(GOROOT)"; exit 1; }
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patch -p1 -f -N -r- -d "$(GOROOT)" < goruntime-boottime-over-monotonic.diff || { rm -rf "$(GOROOT)"; exit 1; }
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$(BUILDDIR)/.prepared: $(GOROOT)/bin/go
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endif
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$(shell test "$$(cat .gobuildversion 2>/dev/null)" = "$(GOBUILDVERSION_CURRENT)" || rm -f "$(DESTDIR)/libwg-go.so")
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define copy-src-to-build
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$(subst $(1),$(BUILDDIR)/,$(2)): $(2)
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@mkdir -vp "$$(dir $$@)"
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@cp -vp "$$<" "$$@"
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$(BUILDDIR)/.prepared: $(subst $(1),$(BUILDDIR)/,$(2))
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endef
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$(foreach FILE,$(UPSTREAM_FILES),$(eval $(call copy-src-to-build,../wireguard-go/,$(FILE))))
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$(foreach FILE,$(DOWNSTREAM_FILES),$(eval $(call copy-src-to-build,src/,$(FILE))))
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$(BUILDDIR)/.prepared:
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cd "$(BUILDDIR)" && if ! GOPATH="$(BUILDDIR)/gopath" go get; then chmod -fR +w "$(BUILDDIR)/gopath/pkg/mod"; rm -rf "$(BUILDDIR)/gopath/pkg/mod"; exit 1; fi
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chmod -fR +w "$(BUILDDIR)/gopath/pkg/mod"
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touch "$@"
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$(DESTDIR)/libwg-go.so: $(BUILDDIR)/.prepared
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cd "$(BUILDDIR)" && GOPATH="$(BUILDDIR)/gopath" go build -ldflags="-X main.socketDirectory=/data/data/$(ANDROID_PACKAGE_NAME)/cache/wireguard" -v -o "$@" -buildmode c-shared
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go version > .gobuildversion
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