Messages in this thread | | | Date | Mon, 14 Feb 2022 10:17:47 +0100 | Subject | Re: [kbuild-all] Re: gcc: error: unrecognized command-line option '-mno-space-regs' | From | Helge Deller <> |
| |
On 2/14/22 10:15, Chen, Rong A wrote: > > > On 2/14/2022 6:26 AM, Helge Deller wrote: >> On 2/13/22 11:39, kernel test robot wrote: >>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >>> head: b81b1829e7e39f6cebdf6e4d5484eacbceda8554 >>> commit: 5f6e0fe01b6b33894cf6f61b359ab5a6d2b7674e parisc: Fix compile failure when building 64-bit kernel natively >>> date: 6 months ago >>> config: parisc64-randconfig-r035-20220213 (https://download.01.org/0day-ci/archive/20220213/202202131837.mZeWy9J4-lkp@intel.com/config) >>> compiler: hppa-linux-gcc (GCC) 11.2.0 >>> 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f6e0fe01b6b33894cf6f61b359ab5a6d2b7674e >>> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >>> git fetch --no-tags linus master >>> git checkout 5f6e0fe01b6b33894cf6f61b359ab5a6d2b7674e >>> # save the config file to linux build tree >>> mkdir build_dir >>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc64 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 >>): >>> >>> scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr] >>> scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr] >>>>> gcc: error: unrecognized command-line option '-mno-space-regs' >>>>> gcc: error: unrecognized command-line option '-mno-space-regs' >>>>> gcc: error: unrecognized command-line option '-mfast-indirect-calls'; did you mean '-mforce-indirect-call'? >>>>> gcc: error: unrecognized command-line option '-mfast-indirect-calls'; did you mean '-mforce-indirect-call'? >>>>> gcc: error: unrecognized command-line option '-mdisable-fpregs' >>>>> gcc: error: unrecognized command-line option '-mschedule=7200' >> >> Same issue as the other error. >> Here a 64bit compiler was used to build a 32-bit kernel... > > Hi Helge, > > Thanks for the explanation, it seems kernel still can be 32-bit if using > make ARCH=parisc64 randconfig, we'll check CONFIG_64BIT config directly > to decide the ARCH value.
Yes, that's the best approach! Thanks, Helge
> Best Regards, > Rong Chen > > >> >> I've queued up a patch in for-next which should give a better error message if >> someone uses such a wrong combination: >> https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git/commit/?h=for-next&id=b160628e9ebcdc85d0db9d7f423c26b3c7c179d0 >> >> Helge >> >>> make[2]: *** [scripts/Makefile.build:117: scripts/mod/devicetable-offsets.s] Error 1 >> >>>>> gcc: error: unrecognized command-line option '-mdisable-fpregs' >>>>> gcc: error: unrecognized command-line option '-mschedule=7200' >>> make[2]: *** [scripts/Makefile.build:271: scripts/mod/empty.o] Error 1 >>> make[2]: Target '__build' not remade because of errors. >>> make[1]: *** [Makefile:1216: prepare0] Error 2 >>> make[1]: Target 'prepare' not remade because of errors. >>> make: *** [Makefile:220: __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 >>> >> _______________________________________________ >> kbuild-all mailing list -- kbuild-all@lists.01.org >> To unsubscribe send an email to kbuild-all-leave@lists.01.org >>
| |