lkml.org 
[lkml]   [2017]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v2 6/6] selftests: enable O and KBUILD_OUTPUT
Hi,

On 21 March 2017 at 16:35, Michael Ellerman <mpe@ellerman.id.au> wrote:
> Andy Lutomirski <luto@amacapital.net> writes:
>
>> On Tue, Nov 29, 2016 at 3:55 AM, <bamvor.zhangjian@huawei.com> wrote:
>>> From: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
>>>
>>> Enable O and KBUILD_OUTPUT for kselftest. User could compile kselftest
>>> to another directory by passing O or KBUILD_OUTPUT. And O is high
>>> priority than KBUILD_OUTPUT.
>>
>> Sorry for noticing this late, but this patch
>> (a8ba798bc8ec663cf02e80b0dd770324de9bafd9) is really annoying for
>> people who *don't* use these fancy options:
>
> Yeah sorry, it wasn't quite ready to go in.
>
>> $ make -C tools/testing/selftests/x86 ldt_gdt_32
>> make: Entering directory '/home/luto/apps/linux/tools/testing/selftests/x86'
>> Makefile:44: warning: overriding recipe for target 'clean'
>> ../lib.mk:55: warning: ignoring old recipe for target 'clean'
>> make: *** No rule to make target 'ldt_gdt_32'. Stop.
>> make: Leaving directory '/home/luto/apps/linux/tools/testing/selftests/x86'
>>
>> Is there any way that you can make this work again?
>
> There obviously is *a* way, but I'm not sure there's a simple and
> obviously correct way that is an easy fix for 4.11.
>
> I see at least 18 Makefile's in tools/testing/selftests that use
> $(OUTPUT)/, which would all need to be updated at least to use $(OUTPUT)
> (no trailing slash), and then some other changes to not propagate OUTPUT
> when the user didn't specify it. But hopefully someone will prove me
> wrong.
I also look at this issue. Originally, I use OUTPUT without slash in my
patch. People argue that it is not very clear. So, I add slash in curent
version.
>
> As a (poor) alternative you can do:
>
> $ cd tools/testing/selftests/x86; make $PWD/ldt_gdt_32
>
> or just:
>
> $ make -C tools/testing/selftests/x86
>
> cheers
Do we really need "make -C tools/testing/selftests/x86 ldt_gdt_32"?
It is useful but it will skip the top level Makefile of selftests.

Regards

Bamvor
> --
> To unsubscribe from this list: send the line "unsubscribe linux-api" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html

\
 
 \ /
  Last update: 2017-03-21 10:00    [W:0.093 / U:0.484 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site