clang-17: selftests: exec/load_address_4096 clang: error: argument unused during compilation: '-pie' [-Werror,-Wunused-command-line-argument]

From: Naresh Kamboju
Date: Mon Aug 21 2023 - 09:55:04 EST


Recently we have updated the toolchain clang-17 version.

While building selftests exec following warnings / errors noticed on the
Linux next with clang-17. But pass with gcc-13.

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

exec/load_address_4096
clang: error: argument unused during compilation: '-pie'
[-Werror,-Wunused-command-line-argument]


Links:
- https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFceoQd0VL/
- https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230821/testrun/19213758/suite/kselftest-exec/test/shardfile-exec/details/

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