[Mesa-dev] [PATCH 00/14] BSD portability (Meson, ANV, RADV, VC4/5, SWR)

[Emil Velikov]

On 18 January 2018 at 21:30, Dylan Baker <dylan at pnwbakers.com> wrote:
> Quoting Emil Velikov (2018-01-18 10:57:02)
>> On 18 January 2018 at 18:29, Greg V <greg at unrelenting.technology> wrote:
>> >
>> > On 01/18/2018 21:18, Emil Velikov wrote:
>> >>
>> >> Hi Greg,
>> >>
>> >> On 31 December 2017 at 16:55, Greg V <greg at unrelenting.technology> wrote:
>> >>>
>> >>> Hello everyone and happy new year! :)
>> >>>
>> >>> This set of patches makes the Meson build work on FreeBSD, including
>> >>> RADV, ANV, wayland-egl, VAAPI, VDPAU.
>> >>
>> >> Huge thanks for beating these into shape and sending them.
>> >>
>> >> Based on the sysconf patch it seems like the series isn't based again
>> >> master.
>> >> Can you please rebase?
>> >>
>> >> I've made a few suggestions about moving stuff into helpers, although
>> >> those are not a requirement.
>> >> We can merge the current ones, as long as you promise to address fix
>> >> them up as follow-up ;-)
>> >
>> > I'm working on the helpers, yeah.
>> >
>> > I've rebased and updated the meson patches, sent as v2.
>> > I'll send everything else as v2 with the helpers stuff.
>> >
>> > Sorry if I'm doing something wrong with series and stuff, I'm still a bit
>> > confused with this patch emailing thing, I'm used to GitHub and similar
>> > services :)
>> >
>> No worries - every project is different ;-)
>>
>> The first google hit for "mesa submitting patches" is the correct one [1].
>> Although in practise you've handled everything very well, already.
>>
>> [1] https://www.mesa3d.org/submittingpatches.html
>>
>> >> It would be amazing if FreeBSD used the ETIME fallback in their
>> >> toolchain. Otherwise things break quite often, as you can see.
>> >> That's more of a dream of mine, so don't read too much into it.
>> >
>> > Did you get Dylan's reply about defining ETIME in meson/autotools?
>>
>> AFAICT the approach is semi-magic, hence my day-dreaming on the topic.
>> I'll try to cook up some magic, but it will be very fragile.
>>
>> -Emil
>
> I'm willing to defer to you on this, if you think that checking headers for
> ETIME is too fragile then we can leave it (you definitely have more experience
> in these things). I'm just concerned it's going to turn into an endless
> whack-a-mole game.

I'll kindly ask Greg to open a bug with FreeBSD on the topic - they
seemed positive on the Elf topic.
Alternatively we can catch most of the fallout via a
check_compile("#include <errno.h>\n main() {return ETIME;}")

Not sure of Meson has an equivalent though.
Emil