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-r002-20200909 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): git checkout 5402c363a48268c540249b6d9523f91b816672b7 # save the attached .config to linux build tree make W=1 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 <command-line>:32: 13 | #include <linux/buildid.h> | ^~~~~~~~~~~~~~~~~ compilation terminated. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org