linux-kernel - clang-17: selftests: sgx: clang: error: -z noexecstack: 'linker' input unused [-Werror,-Wunused-command-line-argument]

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Message-ID: <CA+G9fYtdRe5x=mS4Xonb+ZZsArO2o7vuNL+qJsv5DkNvcirQbA@mail.gmail.com>
Date:   Mon, 21 Aug 2023 19:21:52 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     clang-built-linux <llvm@...ts.linux.dev>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, lkft-triage@...ts.linaro.org
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Anders Roxell <anders.roxell@...aro.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: clang-17: selftests: sgx: clang: error: -z noexecstack: 'linker'
 input unused [-Werror,-Wunused-command-line-argument]

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@...aro.org>

sgx/main.o
clang: error: -z noexecstack: 'linker' input unused
[-Werror,-Wunused-command-line-argument]

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


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