tree:   https://github.com/jcmvbkbc/linux-xtensa xtensa-5.14-call0
head:   c929fa543ba83fa34c6f411ea26f0fc78304f960
commit: dfb68769c2d4422b2c3acfad47788cd26a8f2086 [5/10] WIP: xtensa: add call0 kernel ABI support
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 10.3.0
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
        # https://github.com/jcmvbkbc/linux-xtensa/commit/dfb68769c2d4422b2c3acfad47788cd26a8f2086
        git remote add jcmvbkbc-xtensa https://github.com/jcmvbkbc/linux-xtensa
        git fetch --no-tags jcmvbkbc-xtensa xtensa-5.14-call0
        git checkout dfb68769c2d4422b2c3acfad47788cd26a8f2086
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=xtensa prepare

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> xtensa-linux-gcc: error: unrecognized command-line option '-mabi=call0'
--
>> xtensa-linux-gcc: error: unrecognized command-line option '-mabi=call0'
>> xtensa-linux-gcc: error: unrecognized command-line option '-mabi=call0'
   make[2]: *** [scripts/Makefile.build:272: scripts/mod/empty.o] Error 1
>> xtensa-linux-gcc: error: unrecognized command-line option '-mabi=call0'
   make[2]: *** [scripts/Makefile.build:117: scripts/mod/devicetable-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1234: prepare0] Error 2
   make[1]: Target 'modules_prepare' not remade because of errors.
   make: *** [Makefile:215: __sub-make] Error 2
   make: Target 'modules_prepare' not remade because of errors.
--
>> xtensa-linux-gcc: error: unrecognized command-line option '-mabi=call0'
   scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
   scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
>> xtensa-linux-gcc: error: unrecognized command-line option '-mabi=call0'
   make[2]: *** [scripts/Makefile.build:272: scripts/mod/empty.o] Error 1
>> xtensa-linux-gcc: error: unrecognized command-line option '-mabi=call0'
   make[2]: *** [scripts/Makefile.build:117: scripts/mod/devicetable-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1234: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:215: __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