Recently we have updated the toolchain clang-17 version.

While building selftests filesystems/binderfs, openat2, resctrl and x86 following warnings / errors noticed on the Linux next with clang-17. But pass with gcc-13.

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

Build logs: ======== binderfs_test clang: error: cannot specify -o when generating multiple output files ... openat2/openat2_test clang: error: cannot specify -o when generating multiple output files ... resctrl/resctrl_tests clang: error: cannot specify -o when generating multiple output files ... make[4]: Entering directory 'tools/testing/selftests/x86' clang --target=x86_64-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument --target=x86_64-linux-gnu -fintegrated-as -m64 -o /home/tuxbuild/.cache/tuxmake/builds/1/build/kselftest/x86/single_step_syscall_64 -O2 -g -std=gnu99 -pthread -Wall -isystem /home/tuxbuild/.cache/tuxmake/builds/1/build/usr/include -no-pie -DCAN_BUILD_64 single_step_syscall.c helpers.h -lrt -ldl clang: error: cannot specify -o when generating multiple output files make[4]: *** [Makefile:78: /home/tuxbuild/.cache/tuxmake/builds/1/build/kselftest/x86/single_step_syscall_64] Error 1

Links: - https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFce... - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230821/tes... - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230821/tes... -

Steps to reproduce: - https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFce...

tuxmake --runtime podman --target-arch x86_64 --toolchain clang-17 --kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2UHhSg0TPLhjp9Uq9EFce... LLVM=1 LLVM_IAS=1 debugkernel cpupower headers kernel kselftest modules

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