tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b9c5ef25038d14f0e02d4c5077bd3edb2e577034 commit: d2f92ddb1db2552c436c218a6211cf16444d8a54 [2534/4485] lib/zlib: add zlib_deflate_dfltcc_enabled() function config: s390-randconfig-a001-20191218 (attached as .config) compiler: s390-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d2f92ddb1db2552c436c218a6211cf16444d8a54 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ERROR: "zlib_dfltcc_support" [lib/zlib_deflate/zlib_deflate.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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