Messages in this thread | | | Date | Sat, 28 May 2022 09:21:55 -0700 | From | Nathan Chancellor <> | Subject | Re: llvm-objcopy: error: invalid output format: 'elf64-s390' |
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On Sun, May 29, 2022 at 12:04:48AM +0800, kernel test robot wrote: > Hi Heiko, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 9d004b2f4fea97cde123e7f1939b80e77bf2e695 > commit: adda746629b4a3950f313bc645fa0e54daee871c s390/purgatory: workaround llvm's IAS limitations > date: 11 days ago > config: s390-randconfig-c005-20220527 (https://download.01.org/0day-ci/archive/20220529/202205290045.gOvUOkt3-lkp@intel.com/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0fbe3f3f486e01448121f7931a4ca29fac1504ab) > 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 > # install s390 cross compiling tool for clang build > # apt-get install binutils-s390x-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=adda746629b4a3950f313bc645fa0e54daee871c > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout adda746629b4a3950f313bc645fa0e54daee871c > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@intel.com> > > All errors (new ones prefixed by >>): > > >> llvm-objcopy: error: invalid output format: 'elf64-s390'
This is expected, as llvm-objcopy needs support for s390: https://github.com/ClangBuiltLinux/linux/issues/1530
Please use GNU objcopy for the time being by explicitly providing OBJCOPY=${CROSS_COMPILE}objcopy to make.
Cheers, Nathan
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