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wireguard-go-bridge: reduce version checks and cleanup

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We now rely on -trimpath which restricts us to >= 1.13, and the patch
application should fail too. This has the downside that the user will
need to clean their xcode project when they upgrade go, though.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2019-10-08 16:59:02 +02:00
parent 0d8108d8da
commit f120a6aab0
3 changed files with 21 additions and 39 deletions
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wireguard-go-bridge/Makefile
+11 -29
View File
@@ -14,30 +14,16 @@ 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)
CFLAGS_PREFIX := $(if $(DEPLOYMENT_TARGET_CLANG_FLAG_NAME),-$(DEPLOYMENT_TARGET_CLANG_FLAG_NAME)=$($(DEPLOYMENT_TARGET_CLANG_ENV_NAME)),) -Wno-unused-command-line-argument -isysroot $(SDKROOT) -arch
GOARCH_arm64 := arm64
GOARCH_armv7 := arm
GOARCH_x86_64 := amd64
export GOOS := darwin
export CGO_ENABLED := 1
build: $(DESTDIR)/libwg-go.a
version-header: $(DESTDIR)/wireguard-go-version.h
GOBUILDVERSION_NEEDED := go version go1.13.1 darwin/amd64
GOBUILDVERSION_CURRENT := $(shell go version 2>/dev/null)
export REAL_GOROOT := $(shell go env GOROOT 2>/dev/null)
REAL_GOROOT := $(shell go env GOROOT 2>/dev/null)
export GOROOT := $(BUILDDIR)/goroot
GOBUILDVERSION_FAKE := $(shell $(GOROOT)/bin/go version 2>/dev/null)
ifneq ($(GOBUILDVERSION_NEEDED),$(GOBUILDVERSION_CURRENT))
$(error This requires $(GOBUILDVERSION_NEEDED))
endif
ifneq ($(GOBUILDVERSION_NEEDED),$(GOBUILDVERSION_FAKE))
$(shell rm -f $(GOROOT)/.prepared)
endif
$(GOROOT)/.prepared:
[ -n "$(REAL_GOROOT)" ]
mkdir -p "$(GOROOT)"
@@ -45,24 +31,20 @@ $(GOROOT)/.prepared:
patch -p1 -f -N -r- -d "$(GOROOT)" < goruntime-boottime-over-monotonic.diff
touch "$@"
$(shell test "$$(cat "$(BUILDDIR)/.gobuildversion" 2>/dev/null)" = "$(GOBUILDVERSION_CURRENT)" || rm -f "$(DESTDIR)/libwg-go.a")
define libwg-go-a
$(BUILDDIR)/libwg-go-$(1).a: $(GOROOT)/.prepared
CGO_CFLAGS="$(CFLAGS_PREFIX) $(ARCH)" \
CGO_LDFLAGS="$(CFLAGS_PREFIX) $(ARCH)" \
GOARCH="$(GOARCH_$(1))" \
go build -tags ios -ldflags=-w -v -o "$(BUILDDIR)/libwg-go-$(1).a" -buildmode c-archive && go version > "$(BUILDDIR)/.gobuildversion"; \
ret=$$$$?; \
rm -f "$(BUILDDIR)/libwg-go-$(1).h"; \
exit $$$$ret
$(BUILDDIR)/libwg-go-$(1).a: export CGO_ENABLED := 1
$(BUILDDIR)/libwg-go-$(1).a: export CGO_CFLAGS := $(CFLAGS_PREFIX) $(ARCH)
$(BUILDDIR)/libwg-go-$(1).a: export CGO_LDFLAGS := $(CFLAGS_PREFIX) $(ARCH)
$(BUILDDIR)/libwg-go-$(1).a: export GOOS := darwin
$(BUILDDIR)/libwg-go-$(1).a: export GOARCH := $(GOARCH_$(1))
$(BUILDDIR)/libwg-go-$(1).a: $(GOROOT)/.prepared go.mod
go build -tags ios -ldflags=-w -trimpath -v -o "$(BUILDDIR)/libwg-go-$(1).a" -buildmode c-archive
rm -f "$(BUILDDIR)/libwg-go-$(1).h"
endef
$(foreach ARCH,$(ARCHS),$(eval $(call libwg-go-a,$(ARCH))))
$(DESTDIR)/wireguard-go-version.h: go.mod $(GOROOT)/.prepared
go get -d -tags ios
wggo="$$(go env GOPATH)/pkg/mod/$$(sed -n 's/.*\(golang\.zx2c4\.com\/wireguard\) \(.*\)$$/\1@\2/p' go.mod)"; \
sed -n 's/.*WireGuardGoVersion = "\(.*\)"/#define WIREGUARD_GO_VERSION "\1"/p' "$$wggo/device/version.go" > "$@"
$(DESTDIR)/wireguard-go-version.h: $(GOROOT)/.prepared go.mod
go list -m golang.zx2c4.com/wireguard | sed -n 's/.*v\([0-9.]*\).*/#define WIREGUARD_GO_VERSION "\1"/p' > "$@"
$(DESTDIR)/libwg-go.a: $(foreach ARCH,$(ARCHS),$(BUILDDIR)/libwg-go-$(ARCH).a)
@mkdir -vp "$(DESTDIR)"