Messages in this thread | | | Date | Thu, 20 Jul 2017 10:29:33 +0200 | From | Ingo Molnar <> | Subject | Re: [linux-next:master 1341/1811] cc1: error: unrecognized command line option "-mstack-alignment=8" |
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* kbuild test robot <fengguang.wu@intel.com> wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: c981f0b3fb08ee58aacb208fe7f45628af420bba > commit: 79e6b917e69a34d45e83e72f1e9bb7487d5f5832 [1341/1811] x86/build: Fix stack alignment for CLang > config: x86_64-randconfig-a0-07200731 (attached as .config) > compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 > reproduce: > git checkout 79e6b917e69a34d45e83e72f1e9bb7487d5f5832 > # save the attached .config to linux build tree > make ARCH=x86_64 > > All errors (new ones prefixed by >>): > > arch/x86/Makefile:172: Disabling CONFIG_CC_OPTIMIZE_FOR_SIZE. Your compiler does not have -mfentry so you cannot optimize for size with CONFIG_FUNCTION_GRAPH_TRACER. > >> cc1: error: unrecognized command line option "-mstack-alignment=8" > make[2]: *** [kernel/bounds.s] Error 1 > make[2]: Target '__build' not remade because of errors. > make[1]: *** [prepare0] Error 2 > make[1]: Target 'prepare' not remade because of errors. > make: *** [sub-make] Error 2
Ok, I've removed this commit from x86/urgent for now, pending the resolution of this build bug.
Thanks,
Ingo
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