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wireguard-apple
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Further generalize makefile 

This should allow us to eventually build on macOS
This commit is contained in:
Jason A. Donenfeld 2018-12-16 03:47:05 +01:00
parent bca72bea47
commit 16c6982028
2 changed files with 19 additions and 71 deletions
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44
wireguard-go-bridge/Makefile
View File

@ -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

46
wireguard-go-bridge/example.c
View File

@ -1,46 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#include "wireguard.h"
#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
static struct {
int something;
} ctx;
static bool is_closed = false;
ssize_t do_read(void *ctx, unsigned char *buf, size_t len)
{
printf("Reading from instance with ctx %p into buffer %p of length %zu\n", ctx, buf, len);
sleep(1);
return is_closed ? -1 : 0;
}
ssize_t do_write(void *ctx, unsigned char *buf, size_t len)
{
printf("Writing from instance with ctx %p into buffer %p of length %zu\n", ctx, buf, len);
return len;
}
void do_log(int level, const char *msg)
{
printf("Log level %d: %s", level, msg);
}
int main(int argc, char *argv[])
{
int handle;
printf("WireGuard Go Version %s\n", wgVersion());
wgSetLogger(do_log);
handle = wgTurnOn((gostring_t){ .p = "test", .n = 4 }, (gostring_t){ .p = "", .n = 0 }, 0, do_read, do_write, &ctx);
sleep(5);
is_closed = true;
wgTurnOff(handle);
return 0;
}