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cmd/go: allow invalid flag in #cgo LDFLAGS: CoreFoundation #43152

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steeve opened this issue Dec 12, 2020 · 3 comments
Closed

cmd/go: allow invalid flag in #cgo LDFLAGS: CoreFoundation #43152

steeve opened this issue Dec 12, 2020 · 3 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.
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@steeve
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steeve commented Dec 12, 2020

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

$ go version
go version go1.15.6 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/steeve/Library/Caches/go-build"
GOENV="/Users/steeve/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/steeve/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/steeve/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/Cellar/go/1.15/libexec"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/Cellar/go/1.15/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/td/p8xt8d953g37w9f841byty940000gn/T/go-build367258204=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

Trying to build an iOS framework containing Go code with bazelbuild/rules_go.

What did you expect to see?

A succesful build.

What did you see instead?

go build runtime/cgo: invalid flag in #cgo LDFLAGS: CoreFoundation

I believe this is in line with #42565 and is "caused" by https://github.com/golang/go/blob/go1.15.6/src/runtime/cgo/cgo.go.

@steeve
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steeve commented Dec 12, 2020

cc @jayconrod also

@ianlancetaylor
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For the record, the use in runtime/cgo/cgo.go is #cgo darwin,arm64 LDFLAGS: -framework CoreFoundation. In the flag checking code, -framework is expected to have a following argument, which in this case is CoreFoundation. So it is supposed to work. Just pointing this out as a place to investigate.

Just to confirm, you are cross-building for arm64?

@toothrot toothrot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Dec 17, 2020
@toothrot toothrot added this to the Backlog milestone Dec 17, 2020
@toothrot toothrot added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Dec 17, 2020
@gopherbot
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Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@golang golang locked and limited conversation to collaborators Jan 17, 2022
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