61 lines
2.3 KiB
Makefile
61 lines
2.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (C) 2018-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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# These are generally passed to us by xcode, but we set working defaults for standalone compilation too.
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ARCHS ?= x86_64 arm64
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PLATFORM_NAME ?= macosx
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SDKROOT ?= $(shell xcrun --sdk $(PLATFORM_NAME) --show-sdk-path)
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CONFIGURATION_BUILD_DIR ?= $(CURDIR)/out
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CONFIGURATION_TEMP_DIR ?= $(CURDIR)/.tmp
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export PATH := $(PATH):/usr/local/bin:/opt/homebrew/bin
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export CC ?= clang
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LIPO ?= lipo
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DESTDIR ?= $(CONFIGURATION_BUILD_DIR)
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BUILDDIR ?= $(CONFIGURATION_TEMP_DIR)/wireguard-go-bridge
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CFLAGS_PREFIX := $(if $(DEPLOYMENT_TARGET_CLANG_FLAG_NAME),-$(DEPLOYMENT_TARGET_CLANG_FLAG_NAME)=$($(DEPLOYMENT_TARGET_CLANG_ENV_NAME)),) -isysroot $(SDKROOT) -arch
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GOARCH_arm64 := arm64
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GOARCH_x86_64 := amd64
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GOOS_macosx := darwin
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GOOS_iphoneos := ios
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build: $(DESTDIR)/libwg-go.a
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version-header: $(DESTDIR)/wireguard-go-version.h
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REAL_GOROOT := $(shell go env GOROOT 2>/dev/null)
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export GOROOT := $(BUILDDIR)/goroot
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$(GOROOT)/.prepared:
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[ -n "$(REAL_GOROOT)" ]
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mkdir -p "$(GOROOT)"
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rsync -a --delete --exclude=pkg/obj/go-build "$(REAL_GOROOT)/" "$(GOROOT)/"
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cat goruntime-*.diff | patch -p1 -f -N -r- -d "$(GOROOT)"
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touch "$@"
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define libwg-go-a
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$(BUILDDIR)/libwg-go-$(1).a: export CGO_ENABLED := 1
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$(BUILDDIR)/libwg-go-$(1).a: export CGO_CFLAGS := $(CFLAGS_PREFIX) $(ARCH)
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$(BUILDDIR)/libwg-go-$(1).a: export CGO_LDFLAGS := $(CFLAGS_PREFIX) $(ARCH)
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$(BUILDDIR)/libwg-go-$(1).a: export GOOS := $(GOOS_$(PLATFORM_NAME))
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$(BUILDDIR)/libwg-go-$(1).a: export GOARCH := $(GOARCH_$(1))
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$(BUILDDIR)/libwg-go-$(1).a: $(GOROOT)/.prepared go.mod
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go build -ldflags=-w -trimpath -v -o "$(BUILDDIR)/libwg-go-$(1).a" -buildmode c-archive
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rm -f "$(BUILDDIR)/libwg-go-$(1).h"
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endef
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$(foreach ARCH,$(ARCHS),$(eval $(call libwg-go-a,$(ARCH))))
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$(DESTDIR)/wireguard-go-version.h: go.mod $(GOROOT)/.prepared
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sed -E -n 's/.*golang\.zx2c4\.com\/wireguard +v[0-9.]+-[0-9]+-([0-9a-f]{8})[0-9a-f]{4}.*/#define WIREGUARD_GO_VERSION "\1"/p' "$<" > "$@"
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$(DESTDIR)/libwg-go.a: $(foreach ARCH,$(ARCHS),$(BUILDDIR)/libwg-go-$(ARCH).a)
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@mkdir -vp "$(DESTDIR)"
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$(LIPO) -create -output "$@" $^
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clean:
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rm -rf "$(BUILDDIR)" "$(DESTDIR)/libwg-go.a" "$(DESTDIR)/wireguard-go-version.h"
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install: build
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.PHONY: clean build version-header install
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