* kbuild test robot <fengguang...@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
