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Further generalize makefile

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This should allow us to eventually build on macOS

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2018-12-16 03:51:43 +01:00
parent a80cf6a0dc
commit ae339a000e
2 changed files with 19 additions and 71 deletions
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wireguard-go-bridge/Makefile
+19 -25
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@@ -2,24 +2,24 @@
#
# Copyright (C) 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
# These are generally passed to us by xcode, but we set working defaults for standalone compilation too.
ARCHS ?= arm64 armv7
SDK_NAME ?= iphoneos
SDKROOT ?= $(shell xcrun --sdk $(SDK_NAME) --show-sdk-path)
CONFIGURATION_BUILD_DIR ?= $(CURDIR)/out
CONFIGURATION_TEMP_DIR ?= $(CURDIR)/.tmp
export CC ?= clang
LIPO ?= lipo
DESTDIR ?= $(CONFIGURATION_BUILD_DIR)
BUILDDIR ?= $(CONFIGURATION_TEMP_DIR)/wireguard-go-bridge
UPSTREAM_FILES := $(filter-out %/main.go %/queueconstants.go,$(wildcard ../wireguard-go/*/*.go) $(wildcard ../wireguard-go/*.go)) ../wireguard-go/go.mod ../wireguard-go/go.sum
DOWNSTREAM_FILES := $(wildcard src/*.go) $(wildcard src/*/*.go)
ARCHS ?= arm64 armv7 x86_64
CFLAGS_PREFIX := $(DEPLOYMENT_TARGET_CLANG_FLAG_PREFIX)$($(DEPLOYMENT_TARGET_CLANG_ENV_NAME)) -isysroot $(SDKROOT) -arch
GOARCH_arm64 := arm64
GOARCH_armv7 := arm
GOARCH_x86_64 := amd64
DEPLOYMENT_CFLAGS := $(DEPLOYMENT_TARGET_CLANG_FLAG_PREFIX)$($(DEPLOYMENT_TARGET_CLANG_ENV_NAME))
CGO_FLAGS_x86_64 := -arch x86_64 -isysroot $(shell xcrun --sdk iphonesimulator --show-sdk-path) $(DEPLOYMENT_CFLAGS)
CGO_FLAGS_arm64 := -arch arm64 -isysroot $(shell xcrun --sdk iphoneos --show-sdk-path) $(DEPLOYMENT_CFLAGS)
CGO_FLAGS_armv7 := -arch armv7 -isysroot $(shell xcrun --sdk iphoneos --show-sdk-path) $(DEPLOYMENT_CFLAGS)
CC_x86_64 := $(shell xcrun --sdk iphonesimulator --find clang)
CC_arm64 := $(shell xcrun --sdk iphoneos --find clang)
CC_armv7 := $(shell xcrun --sdk iphoneos --find clang)
CONFIGURATION_BUILD_DIR ?= $(CURDIR)/out
CONFIGURATION_TEMP_DIR ?= $(CURDIR)/.tmp
DESTDIR ?= $(CONFIGURATION_BUILD_DIR)
BUILDDIR ?= $(CONFIGURATION_TEMP_DIR)/wireguard-go-bridge
export GOOS := darwin
export CGO_ENABLED := 1
@@ -57,16 +57,15 @@ $(foreach FILE,$(UPSTREAM_FILES),$(eval $(call copy-src-to-build,../wireguard-go
$(foreach FILE,$(DOWNSTREAM_FILES),$(eval $(call copy-src-to-build,src/,$(FILE))))
$(BUILDDIR)/.prepared: $(GOROOT)/bin/go
cd "$(BUILDDIR)" || exit $$?; $(foreach ARCH,$(ARCHS),CC="$(CC_$(ARCH))" CGO_CFLAGS="$(CGO_FLAGS_$(ARCH))" CGO_LDFLAGS="$(CGO_FLAGS_$(ARCH))" GOARCH="$(GOARCH_$(ARCH))" go get -tags ios || { ret=$$?; chmod -fR +w "$(GOPATH)/pkg/mod"; rm -rf "$(GOPATH)/pkg/mod"; exit $$ret; };)
cd "$(BUILDDIR)" || exit $$?; $(foreach ARCH,$(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; };)
chmod -fR +w "$(GOPATH)/pkg/mod"
touch "$@"
define libwg-go-a
$(BUILDDIR)/libwg-go-$(1).a: $(BUILDDIR)/.prepared
cd "$(BUILDDIR)" || exit $$$$?; \
CC="$(CC_$(1))" \
CGO_CFLAGS="$(CGO_FLAGS_$(1))" \
CGO_LDFLAGS="$(CGO_FLAGS_$(1))" \
CGO_CFLAGS="$(CFLAGS_PREFIX) $(ARCH)" \
CGO_LDFLAGS="$(CFLAGS_PREFIX) $(ARCH)" \
GOARCH="$(GOARCH_$(1))" \
go build -tags ios -ldflags=-w -v -o "$(BUILDDIR)/libwg-go-$(1).a" -buildmode c-archive && go version > "$(BUILDDIR)/.gobuildversion"; \
ret=$$$$?; \
@@ -80,16 +79,11 @@ $(DESTDIR)/wireguard-go-version.h: ../wireguard-go/version.go
$(DESTDIR)/libwg-go.a: $(foreach ARCH,$(ARCHS),$(BUILDDIR)/libwg-go-$(ARCH).a)
@mkdir -vp "$(DESTDIR)"
xcrun --sdk iphoneos lipo -create -output "$@" $^
$(DESTDIR)/example: example.c $(DESTDIR)/libwg-go.a
xcrun --sdk iphoneos clang -framework CoreFoundation -isysroot "$(shell xcrun --sdk iphoneos --show-sdk-path)" -arch arm64 -arch armv7 -L"$(DESTDIR)" -lwg-go -o "$@" "$<"
example: $(DESTDIR)/example
$(LIPO) -create -output "$@" $^
clean:
rm -rf "$(BUILDDIR)" "$(DESTDIR)/libwg-go.a" "$(DESTDIR)/example" "$(DESTDIR)/wireguard-go-version.h"
rm -rf "$(BUILDDIR)" "$(DESTDIR)/libwg-go.a" "$(DESTDIR)/wireguard-go-version.h"
install: build
.PHONY: clean build example version-header install
.PHONY: clean build version-header install