tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git perf/mmap3_1 head: d94e08b6d4a9da63ae1179cf4a04152bb0143e8c commit: 5402c363a48268c540249b6d9523f91b816672b7 [2/27] bpf: Move stack_map_get_build_id into lib config: x86_64-randconfig-a005-20200911 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0448d11a06b451a63a8f60408fec613ad24801ba) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 5402c363a48268c540249b6d9523f91b816672b7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from net/bpfilter/main.c:9: #include <linux/buildid.h> ^~~~~~~~~~~~~~~~~ 1 error generated. # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id... git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf perf/mmap3_1 git checkout 5402c363a48268c540249b6d9523f91b816672b7 vim +13 net/bpfilter/../../include/uapi/linux/bpf.h 10 11 #include <linux/types.h> 12 #include <linux/bpf_common.h> 14 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org