Re: [GIT PULL] Kbuild updates for v4.15 (2nd round)

[Masahiro Yamada]

Hi Geert,

2017-11-27 17:30 GMT+09:00 Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>:
> Hi Chris, Yamada-san,
>
> On Fri, Nov 24, 2017 at 5:58 PM, Masahiro Yamada
> <yamada.masahiro@xxxxxxxxxxxxx> wrote:
>> Please pull a little more Kbuild updates for v4.15.
>> The reason for lateness is I hesitated to put some patches
>> in the last week pull requests due to big conflicts.
>> Also, I applied some fixes and trivial enough ones.
>> I hope you will pull this.
>>
>>
>>
>> The following changes since commit 2ce079f04d5914dae14fdc8618f804cc0d2a1b8f:
>>
>>   Merge tag 'kbuild-misc-v4.15' of
>> git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
>> (2017-11-17 17:51:33 -0800)
>>
>> are available in the git repository at:
>>
>>   git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
>> tags/kbuild-v4.15-2
>>
>> for you to fetch changes up to 10aaa3b7e95b9649fd658ac7e9075093316425d8:
>>
>>   kbuild: drop $(extra-y) from real-objs-y (2017-11-23 23:29:26 +0900)
>>
>> ----------------------------------------------------------------
>> Kbuild updates for v4.15 (2nd)
>
>> Chris Fries (1):
>>       kbuild: Set KBUILD_CFLAGS before incl. arch Makefile
>
> This broke cross-compilation using a cross-compiler that supports less
> compiler options than the host compiler. E.g.:
>
>     cc1: error: unrecognized command line option "-Wno-unused-but-set-variable"
>
> Reverting commit ae6b289a37890909 ("kbuild: Set KBUILD_CFLAGS before incl.
> arch Makefile", which was in linux-next since next-20171124) fixes that.
>
> BTW, this gets broken regularly, cfr. e.g. commits a1c48bb160f8368e ("Makefile:
> Fix unrecognized cross-compiler command line options") and bef5b54bd7bf8117
> ("Fix MIPS cross-compile problem").
>

Oh, thanks for the report.

I do not want to revert it, but how about this?

https://patchwork.kernel.org/patch/10076723/


-- 
Best Regards
Masahiro Yamada