Hi Jiri, I love your patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Jiri-Olsa/kbuild-Unify-options-for-BTF-generation-for-vmlinux-and-modules/20211027-052639 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: powerpc64-buildonly-randconfig-r006-20211027 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5db7568a6a1fcb408eb8988abdaff2a225a8eb72) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://github.com/0day-ci/linux/commit/cd9d0571d9b0204fb3c1badf41ca847ba840e40c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jiri-Olsa/kbuild-Unify-options-for-BTF-generation-for-vmlinux-and-modules/20211027-052639 git checkout cd9d0571d9b0204fb3c1badf41ca847ba840e40c # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc distclean If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found /bin/sh: 1: scripts/pahole-flags.sh: not found /bin/sh: 1: scripts/pahole-flags.sh: not found /bin/sh: 1: scripts/pahole-flags.sh: not found /bin/sh: 1: scripts/pahole-flags.sh: not found -- >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found -- >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr] scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr] >> /bin/sh: 1: scripts/pahole-flags.sh: not found >> /bin/sh: 1: scripts/pahole-flags.sh: not found clang-14: error: unsupported argument '-mpower4' to option 'Wa,' clang-14: error: unsupported argument '-many' to option 'Wa,' make[2]: *** [scripts/Makefile.build:277: scripts/mod/empty.o] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1221: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:219: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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