90 lines
3.6 KiB
Makefile
90 lines
3.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (C) 2018 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 ?= arm64 armv7
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SDK_NAME ?= iphoneos
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SDKROOT ?= $(shell xcrun --sdk $(SDK_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 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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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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CFLAGS_PREFIX := $(DEPLOYMENT_TARGET_CLANG_FLAG_PREFIX)$($(DEPLOYMENT_TARGET_CLANG_ENV_NAME)) -isysroot $(SDKROOT) -arch
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GOARCH_arm64 := arm64
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GOARCH_armv7 := arm
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GOARCH_x86_64 := amd64
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export GOOS := darwin
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export CGO_ENABLED := 1
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build: $(DESTDIR)/libwg-go.a
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version-header: $(DESTDIR)/wireguard-go-version.h
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GOBUILDARCH := $(GOARCH_$(shell uname -m))
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GOBUILDOS := $(shell uname -s | tr '[:upper:]' '[:lower:]')
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GOBUILDVERSION := 1.11.4
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GOBUILDTARBALL := https://dl.google.com/go/go$(GOBUILDVERSION).$(GOBUILDOS)-$(GOBUILDARCH).tar.gz
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GOBUILDVERSION_NEEDED := go version go$(GOBUILDVERSION) $(GOBUILDOS)/$(GOBUILDARCH)
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export GOROOT := $(BUILDDIR)/goroot
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export GOPATH := $(BUILDDIR)/gopath
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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 "$(GOROOT)"; exit 1; }
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$(shell test "$$(cat "$(BUILDDIR)/.gobuildversion" 2>/dev/null)" = "$(GOBUILDVERSION_CURRENT)" || rm -f "$(DESTDIR)/libwg-go.a")
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define copy-src-to-build
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$(subst $(1),$(BUILDDIR)/,$(2)): $(2)
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@mkdir -vp "$$(dir $$@)"
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@cp -vp "$$<" "$$@"
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$(BUILDDIR)/.prepared: $(subst $(1),$(BUILDDIR)/,$(2))
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endef
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$(foreach FILE,$(UPSTREAM_FILES),$(eval $(call copy-src-to-build,../wireguard-go/,$(FILE))))
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$(foreach FILE,$(DOWNSTREAM_FILES),$(eval $(call copy-src-to-build,src/,$(FILE))))
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$(BUILDDIR)/.prepared: $(GOROOT)/bin/go
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cd "$(BUILDDIR)" || exit $$?; $(foreach ARCH,$(ARCHS),CGO_CFLAGS="$(CFLAGS_PREFIX) $(ARCH)" CGO_LDFLAGS="$(CFLAGS_PREFIX) $(ARCH)" GOARCH="$(GOARCH_$(ARCH))" go get -tags ios || { ret=$$?; chmod -fR +w "$(GOPATH)/pkg/mod"; rm -rf "$(GOPATH)/pkg/mod"; exit $$ret; };)
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chmod -fR +w "$(GOPATH)/pkg/mod"
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touch "$@"
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define libwg-go-a
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$(BUILDDIR)/libwg-go-$(1).a: $(BUILDDIR)/.prepared
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cd "$(BUILDDIR)" || exit $$$$?; \
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CGO_CFLAGS="$(CFLAGS_PREFIX) $(ARCH)" \
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CGO_LDFLAGS="$(CFLAGS_PREFIX) $(ARCH)" \
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GOARCH="$(GOARCH_$(1))" \
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go build -tags ios -ldflags=-w -v -o "$(BUILDDIR)/libwg-go-$(1).a" -buildmode c-archive && go version > "$(BUILDDIR)/.gobuildversion"; \
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ret=$$$$?; \
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rm -f "$(BUILDDIR)/libwg-go-$(1).h"; \
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exit $$$$ret
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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: ../wireguard-go/version.go
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sed -n 's/.*WireGuardGoVersion = "\(.*\)"/#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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