[U-Boot] [PATCH v2 0/3] kbuild: always use relative path for __FILE__

Masahiro Yamada yamada.masahiro at socionext.com
Fri Oct 13 17:37:18 UTC 2017


2017-10-13 22:53 GMT+09:00 Tom Rini <trini at konsulko.com>:
> On Fri, Oct 13, 2017 at 09:21:19PM +0900, Masahiro Yamada wrote:
>> 2017-10-13 21:11 GMT+09:00 Tom Rini <trini at konsulko.com>:
>> > On Fri, Oct 13, 2017 at 06:51:42PM +0900, Masahiro Yamada wrote:
>> >
>> >> We discussed the __FILE__ problem when U-Boot is built out of tree.
>> >> https://www.mail-archive.com/u-boot@lists.denx.de/msg242852.html
>> >>
>> >> The deeper your build directory is located, the larger
>> >> your U-Boot image becomes.
>> >> If your platform has memory footprint limit, this is a problem.
>> >>
>> >> Recently, I submitted the following patches to Kbuild ML.
>> >> (no RFC, this time)
>> >> https://patchwork.kernel.org/patch/10001419/
>> >> https://patchwork.kernel.org/patch/10001409/
>> >>
>> >> I consider them for Linux 4.15 unless there is
>> >> a strong objection or a problem report.
>> >>
>> >> This series is a port for U-Boot.
>> >>
>> >> If Tom wants to pick this up earlier, it is OK.
>> >> If not in hurry, you can wait for the activity in Linux.
>> >> Either will do.
>> >
>> > Yay.  I plan to pick these up after v2017.11 has been released, so no
>> > need to re-spin this if it stops applying cleanly until we're closer to
>> > release.  Thanks!
>> >
>>
>> Good.
>>
>> According to this:
>> http://phb-crystal-ball.org/
>>
>> The MW for v4.15 will open 2017-11-12.
>>
>> So, the next MW for U-Boot and Linux will be almost lined up.
>>
>> You will be able to apply it more confidently
>> if Linus pulls the Linux counterpart.
>>
>> Until then, I will test it in linux-next.
>
> FWIW, a world build is:
> https://gist.github.com/trini/ad0f55b9f46997fd11801aac48bf0c10
>
> I wonder why we see size increase in a few cases?  In both cases, the
> obj directory is /tmp/something/01_of_.. (or 04_of_..)/current/..
>


Hmm, this patch seems buggy.

At least, it is not working at all for SPL.

I will take a look.





-- 
Best Regards
Masahiro Yamada


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