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x/mobile: gomobile bind iOS library with bitcode error #43060

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wsvn53 opened this issue Dec 8, 2020 · 2 comments
Closed

x/mobile: gomobile bind iOS library with bitcode error #43060

wsvn53 opened this issue Dec 8, 2020 · 2 comments
Labels
FrozenDueToAge mobile Android, iOS, and x/mobile
Milestone
Unreleased

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@wsvn53
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wsvn53 commented Dec 8, 2020

What version of Go are you using (go version)?

$ go version
go version go1.15.5 darwin/amd64

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
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/Ethan/Library/Caches/go-build"
GOENV="/Users/Ethan/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/Ethan/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/Ethan/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/Cellar/go/1.15.5/libexec"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/Cellar/go/1.15.5/libexec/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
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 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/fs/1m2nwwm11zn56pfvxrhqwvf00000gn/T/go-build888622441=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

  1. Create a simple golang project;
  2. Then, try gomobile bind -v -target=ios/arm64,ios/amd64 . to build iOS target library;
  3. Get failed:
write /var/folders/fs/1m2nwwm11zn56pfvxrhqwvf00000gn/T/gomobile-work-716664106/src/go.mod
go: downloading golang.org/x/mobile v0.0.0-20200801112145-973feb4309de
go: found wsen.me/test in wsen.me/test v0.0.0-00010101000000-000000000000
golang.org/x/mobile/bind/java
runtime/cgo
go build runtime/cgo: invalid flag in go:cgo_ldflag: -fembed-bitcode
gomobile: darwin-arm64: go build -tags ios -v -buildmode=c-archive -o /var/folders/fs/1m2nwwm11zn56pfvxrhqwvf00000gn/T/gomobile-work-716664106/gomobilebitcode-arm64.a ./gobind failed: exit status 1

If I remove line:163 in source file golang.org/x/mobile/cmd/gomobile/env.go: cflags += " -fembed-bitcode", and rebuild gomobile, then try again, it's working properly.

What did you expect to see?

Successfull build iOS library from golang sources without embed-bitcode errror.

What did you see instead?

No
@gopherbot gopherbot added the mobile Android, iOS, and x/mobile label Dec 8, 2020
@gopherbot gopherbot added this to the Unreleased milestone Dec 8, 2020
@AlexRouSg
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#42647 (comment)

Looks like the golang.org/x/mobile build sets CGO_LDFLAGS, so this is a dup of #42565. It should be fixe din 1.15.6. Sorry for the trouble.

Please update to 1.15.6 and try again

@toothrot
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toothrot commented Dec 8, 2020

Closing as a duplicate, and please try with the latest release and let us know if you have issues.

@toothrot toothrot closed this as completed Dec 8, 2020
@golang golang locked and limited conversation to collaborators Dec 26, 2021
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Labels
FrozenDueToAge mobile Android, iOS, and x/mobile
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