netdev - Re: [PATCHv2 bpf-next] kbuild: Unify options for BTF generation for vmlinux and modules

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Message-ID: <202110272136.KoOI2D8k-lkp@intel.com>
Date:   Wed, 27 Oct 2021 21:44:11 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiri Olsa <jolsa@...hat.com>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kbuild@...r.kernel.org, Martin KaFai Lau <kafai@...com>
Subject: Re: [PATCHv2 bpf-next] kbuild: Unify options for BTF generation for
 vmlinux and modules

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@...el.com>

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@lists.01.org

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