* Re: [linux-next:master 1341/1811] cc1: error: unrecognized command line option "-mstack-alignment=8"
[not found] <201707200807.mFc3HGMr%fengguang.wu@intel.com>
@ 2017-07-20 8:29 ` Ingo Molnar
2017-07-20 16:37 ` Matthias Kaehlcke
0 siblings, 1 reply; 2+ messages in thread
From: Ingo Molnar @ 2017-07-20 8:29 UTC (permalink / raw)
To: kbuild test robot
Cc: Matthias Kaehlcke, kbuild-all, linux-kernel, Thomas Gleixner,
H. Peter Anvin
* 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
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [linux-next:master 1341/1811] cc1: error: unrecognized command line option "-mstack-alignment=8"
2017-07-20 8:29 ` [linux-next:master 1341/1811] cc1: error: unrecognized command line option "-mstack-alignment=8" Ingo Molnar
@ 2017-07-20 16:37 ` Matthias Kaehlcke
0 siblings, 0 replies; 2+ messages in thread
From: Matthias Kaehlcke @ 2017-07-20 16:37 UTC (permalink / raw)
To: Ingo Molnar
Cc: kbuild test robot, kbuild-all, Linux Kernel Mailing List,
Thomas Gleixner, H. Peter Anvin
On Thu, Jul 20, 2017 at 1:29 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * 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.
Sorry for breaking the build, I will look for a better solution.
Matthias
^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-07-20 8:29 ` [linux-next:master 1341/1811] cc1: error: unrecognized command line option "-mstack-alignment=8" Ingo Molnar
2017-07-20 16:37 ` Matthias Kaehlcke
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