Hi David, [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/David-Lebrun/ipv6-sr-add-missing-Kbuild-export-for-header-files/20170114-095347 config: x86_64-randconfig-n0-01141038 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): >> ./usr/include/linux/seg6.h:21: found __[us]{8,16,32,64} type without #include >> ./usr/include/linux/seg6_hmac.h:11: found __[us]{8,16,32,64} type without #include --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation