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Use binary distro of Golang

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This is a bummer, but Gradle already specifies tons of specific versions
of various binary components, so this is not materially different than
the rest of how this whole thing works.

It also allows us to specify the Go version that will actually build a
working binary of wireguard-go, since all of the Go bugs mean not every
version works equally. We do *not* want to use whatever version a distro
happens to be shipping.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-04-24 15:19:53 +02:00
parent 83b30bed7b
commit e6838f9cb0
1 changed files with 13 additions and 2 deletions
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15
app/tools/libwg-go/Makefile
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@ -2,7 +2,9 @@ containing = $(foreach v,$2,$(if $(findstring $1,$v),$v))
FILES := $(wildcard ../wireguard-go/*/*.go) $(wildcard ../wireguard-go/*.go)
FILES := $(filter-out %/main.go $(filter-out %_linux.go,$(call containing,_,$(FILES))),$(FILES))
export GOPATH := $(CURDIR)/go
export GOPATH := $(CURDIR)/gopath
export GOROOT := $(CURDIR)/goroot
export PATH := $(GOROOT)/bin:$(PATH)
CLANG_FLAGS := --target=$(ANDROID_LLVM_TRIPLE) --gcc-toolchain=$(ANDROID_TOOLCHAIN_ROOT) --sysroot=$(ANDROID_SYSROOT)
export CGO_CFLAGS := $(CLANG_FLAGS) $(CFLAGS)
export CGO_LDFLAGS := $(CLANG_FLAGS) $(LDFLAGS)
@ -12,7 +14,16 @@ export GOARCH := $(shell $(GO_ARCH_FILTER))
export GOOS := android
export CGO_ENABLED := 1
$(DESTDIR)/libwg-go.so: $(FILES) api-android.go jni.c
GORELEASETARBALL := https://dl.google.com/go/go1.10.1.$(shell uname -s | tr '[:upper:]' '[:lower:]')-amd64.tar.gz
default: $(DESTDIR)/libwg-go.so
$(GOROOT)/bin/go:
rm -rf "$(GOROOT)"
mkdir -p "$(GOROOT)"
curl "$(GORELEASETARBALL)" | tar -C "$(GOROOT)" --strip-components=1 -xzf - || rm -rf "$(GOROOT)"
$(DESTDIR)/libwg-go.so: $(FILES) api-android.go jni.c $(GOROOT)/bin/go
find . -name '*.go' -type l -delete
find . -type d -empty -delete
mkdir -p $(subst ../wireguard-go/,./,$(dir $(FILES)))