Re: [PATCH v2 4/4] Makefile: add headers to kselftest targets

From: Guillaume Tucker
Date: Wed Jul 13 2022 - 09:04:19 EST


On 13/07/2022 11:09, Nicolas Schier wrote:
> On Tue, 12 Jul 2022 09:29 +0100 Guillaume Tucker wrote:
>> Add headers as a dependency to kselftest targets so that they can be
>> run directly from the top of the tree. The kselftest Makefile used to
>> try to call headers_install "backwards" but failed due to the relative
>> path not being consistent.
>>
>> Now we can either run this directly:
>>
>> $ make O=build kselftest-all
>>
>> or this:
>>
>> $ make O=build headers
>> $ make O=build -C tools/testing/selftests all
>>
>> The same commands work as well when building directly in the source
>> tree (no O=) or any arbitrary path (relative or absolute).
>>
>> Signed-off-by: Guillaume Tucker <guillaume.tucker@xxxxxxxxxxxxx>
>> ---
> You might want to add the 'Reported-by: as you did in
> https://lore.kernel.org/linux-kbuild/a7af58feaa6ae6d3b0c8c55972a470cec62341e5.1657693952.git.guillaume.tucker@xxxxxxxxxxxxx/

Except I don't know who reported the issue, I think it was just
very well known. KernelCI builds have been working around it for
a couple of years.

The Reported-by in the other patch was about using "headers"
rather than "headers_install", as a follow-up improvement on top
of this patch.

> Tested-by: Nicolas Schier <nicolas@xxxxxxxxx>

Thank you!

Guillaume