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runtime/race: building for iOS, but linking in object file built for macOS #46931

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eliasnaur opened this issue Jun 25, 2021 · 6 comments
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runtime/race: building for iOS, but linking in object file built for macOS #46931

eliasnaur opened this issue Jun 25, 2021 · 6 comments
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@eliasnaur
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What version of Go are you using (go version)?

Happens on tip on the Corellium iOS builders that have recently upgraded to iOS 14.6 while debugging #35851.

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

ios/arm64

What did you do?

$ CC=$HOME/bin/clangwrap PATH=$PATH:$HOME/bin ./all.bash

What did you expect to see?

No errors.

What did you see instead?

# runtime/race.test
/var/root/goroot/pkg/tool/ios_arm64/link: running /var/root/bin/clangwrap failed: exit status 1
ld: building for iOS, but linking in object file built for macOS, file '/tmp/go-link-1066573738/000000.o' for architecture arm64
Not signing file
clang-5.0: error: linker command failed with exit code 1 (use -v to see invocation)

FAIL	runtime/race [build failed]

I'm guessing the problem is that the race runtime .syso files are hard-coded to macOS.

CC @cherrymui.
@eliasnaur eliasnaur mentioned this issue Jun 25, 2021
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@cherrymui
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Yeah, the race detector is not implemented for iOS, only for macOS. Maybe we should skip that test.

@gopherbot
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Change https://golang.org/cl/331050 mentions this issue: runtime/race: use race build tag on syso_test.go

@eliasnaur
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The test fails at build which is unfortunate. Perhaps the linker should skip .syso files whose LC_VERSION_MIN_*/LC_BUILD_VERSION load commands don't match GOOS?

@gopherbot
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Change https://golang.org/cl/372218 mentions this issue: [release-branch.go1.16] runtime/race: use race build tag on syso_test.go

@cherrymui
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@gopherbot please backport this to Go 1.16. This fixes a test currently failing on 1.16 branch.

@gopherbot gopherbot mentioned this issue Dec 15, 2021
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@gopherbot
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Backport issue(s) opened: #50194 (for 1.16).

Remember to create the cherry-pick CL(s) as soon as the patch is submitted to master, according to https://golang.org/wiki/MinorReleases.

gopherbot pushed a commit that referenced this issue Dec 21, 2021
@cherrymui @dmitshur
[release-branch.go1.16] runtime/race: use race build tag on syso_test.go
831d491 
All other test files in the runtime/race package have race build
tag, except syso_test.go. The test is only relevant if the race
detector is supported. So apply the build tag.

Updates #46931.
Fixes #50194.

Change-Id: Icdb94214d3821b4ccf61133412ef39b4d7cc7691
Reviewed-on: https://go-review.googlesource.com/c/go/+/331050
Trust: Cherry Mui <cherryyz@google.com>
Reviewed-by: Elias Naur <mail@eliasnaur.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
(cherry picked from commit ed01cea)
Reviewed-on: https://go-review.googlesource.com/c/go/+/372218
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
@golang golang locked and limited conversation to collaborators Dec 15, 2022
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@eliasnaur @gopherbot @cherrymui