Closed
Description
What version of Go are you using (go version)?
go version go1.11.4 linux/amd64
Android NDK 19.0.5160253-beta2
Does this issue reproduce with the latest release?
yes
What operating system and processor architecture are you using (go env)?
go env Output
$ go env GOARCH="amd64" GOBIN="/home/x/go/bin" GOCACHE="/home/x/.cache/go-build" GOEXE="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOOS="linux" GOPATH="/home/x/go" GOPROXY="" GORACE="" GOROOT="/home/x/app/go" GOTMPDIR="" GOTOOLDIR="/home/x/app/go/pkg/tool/linux_amd64" GCCGO="gccgo" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build212459853=/tmp/go-build -gno-record-gcc-switches"
What did you do?
Run gomobile build to build an Android APK.
https://github.com/golang/go/wiki/Mobile#building-and-deploying-to-android
What did you expect to see?
Build command will build an APK named basic.apk.
What did you see instead?
x@xpc:~$ gomobile build -target=android golang.org/x/mobile/example/basic
gomobile: go build -buildmode=c-shared -o /tmp/gomobile-work-451339240/lib/armeabi-v7a/libbasic.so golang.org/x/mobile/example/basic failed: exit status 2
# runtime/cgo
clang80: error: argument unused during compilation: '-stdlib=libc++' [-Werror,-Wunused-command-line-argument]
gomobile build -target=android -x golang.org/x/mobile/example/basic Output
x@xpc:~$ gomobile build -target=android -x golang.org/x/mobile/example/basic GOMOBILE=/home/x/go/pkg/gomobile WORK=/tmp/gomobile-work-944186541 mkdir -p $WORK/lib/armeabi-v7a GOOS=android GOARCH=arm CC=$GOMOBILE/ndk-toolchains/arm/bin/arm-linux-androideabi-clang CXX=$GOMOBILE/ndk-toolchains/arm/bin/arm-linux-androideabi-clang++ CGO_ENABLED=1 GOARM=7 go build -x -buildmode=c-shared -o $WORK/lib/armeabi-v7a/libbasic.so golang.org/x/mobile/example/basic rm -r -f "$WORK" gomobile: go build -x -buildmode=c-shared -o /tmp/gomobile-work-944186541/lib/armeabi-v7a/libbasic.so golang.org/x/mobile/example/basic failed: exit status 2 WORK=/tmp/go-build950337788 mkdir -p $WORK/b041/ cd /home/x/app/go/src/runtime/cgo CGO_LDFLAGS='"-g" "-O2" "-llog"' /home/x/app/go/pkg/tool/linux_amd64/cgo -objdir $WORK/b041/ -importpath runtime/cgo -import_runtime_cgo=false -import_syscall=false -exportheader=$WORK/b041/_cgo_install.h -- -I $WORK/b041/ -g -O2 -Wall -Werror ./cgo.go # runtime/cgo clang80: error: argument unused during compilation: '-stdlib=libc++' [-Werror,-Wunused-command-line-argument]