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SubjectRe: clang-17: selftests: sgx: clang: error: -z noexecstack: 'linker' input unused [-Werror,-Wunused-command-line-argument]
On Mon, Aug 21, 2023 at 6:52 AM Naresh Kamboju
<naresh.kamboju@linaro.org> wrote:
>
> Recently we have updated the toolchain clang-17 version.
>
> While building selftests sgx following warnings / errors noticed on the
> Linux next with clang-17.
>
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
>
> sgx/main.o
> clang: error: -z noexecstack: 'linker' input unused
> [-Werror,-Wunused-command-line-argument]

Hi Naresh,
Thanks for the report.

I think in general for the kselftests, these aren't really
regressions; we've simply not spent the time to sit down and get them
all building.

That said, we should.

Since this isn't a recent regression, would you mind instead of
emailing the list instead file an individual issue at our issue
tracker per diagnostic identified?

https://github.com/ClangBuiltLinux/linux/issues

We are very active in tracking the progress on issues there. I would
love for you and the LKFT team to participate with us there.

https://github.com/ClangBuiltLinux/linux/issues/1698 is the meta issue
tracking the kselftest targets.

When we have a target building that regresses, then we should notify
the list, but until then I think it may be less noisy to get issues on
file.

>
> Links:
> - https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFceoQd0VL/
>
> Steps to reproduce:
> - https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFceoQd0VL/tuxmake_reproducer.sh
>
> tuxmake --runtime podman --target-arch x86_64 --toolchain clang-17
> --kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFceoQd0VL/config
> LLVM=1 LLVM_IAS=1 debugkernel cpupower headers kernel kselftest
> modules

Any chance you can extract the invocation of `make` from the above for
the bug reports? I'm guessing

`make LLVM=1 debugkernel cpupower headers kernel kselftest`?
(LLVM_IAS=1 should be obsolete on mainline)

>
>
> --
> Linaro LKFT
> https://lkft.linaro.org



--
Thanks,
~Nick Desaulniers

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