[Mesa-dev] [PATCH 0/2] Compilation fixes for mingw

[Emil Velikov]

On 19 March 2017 at 22:16, Miklós Máté <mtmkls at gmail.com> wrote:
> On 19/03/17 22:13, Emil Velikov wrote:
>>
>> Hi Miklós,
>>
>> On 19 March 2017 at 12:28, Miklós Máté <mtmkls at gmail.com> wrote:
>>>
>>> After this series the build goes further, but eventually stops with:
>>>   scons: Building targets ...
>>>   Archiving build\windows-x86-debug\gallium\auxiliary\libgallium.a ...
>>>   Installing build\windows-x86-debug\bin\u_atomic_test.exe ...
>>>   Compiling src\gallium\tests\unit\u_format_compatible_test.c ...
>>>   The command line is too long.
>>>   scons: *** [build\windows-x86-debug\gallium\auxiliary\libgallium.a]
>>> Error 1
>>>   scons: building terminated because of errors.
>>>
>>> To fix this error one would probably need to compile gallium/auxillary
>>> into 2-3
>>> smaller archives and then compose them into libgallium.a. Unfortunately,
>>> my
>>> buildsystem knowledge is too weak for this.
>>>
>> Can you elaborate why/how you're building things on your end.
>>
>> Appveyor (admittedly using MSVC) and local [Archlinux]
>> cross-compilation via mingw-w64 works like a charm without any of
>> these.
>> Are you using the 'old' mingw aka mingw32 - it looks abandoned, so I'd
>> suggest sticking with the "w64" one.
>
> I have very limited knowledge about windows, I just wanted to help Federico
> with his quest of running kotor with llvmpipe on windows. I saw in the mesa
> documentation that I can use mingw to build it, I googled mingw, the first
> result was mingw.org, the download link took me to sourceforge, and I
> downloaded the installer from there. Now I see that there is also a
> mingw-w64.org. Oh well.
>
Right - we might as well correct documentation/build to explicitly
state mingw-w64.

Jose considering the issues reported I'm assuming that you guys are
using the w64 one, if any ?
Any objections if we "deprecate" support for mingw-w32 ?

>>
>> Can I ask you to try and hookup mingw into our Appveyor builds - it
>> should be possible to use it but I haven't tried.
>
> I can try, but my experience in this area is very limited.
>
Link Appveyor with your Github account (iirc you don't even need an
account for the former) and experiment ;-)

>
>>
>>> Miklós Máté (2):
>>>    c11: fix include with mingw
>>
>> This one might be ok, need to check.
>>
>>>    c11: comment out thrd_equal()
>>>
>> But this one is not - if anything we need to fix the 'interesting'
>> Windows code in MAPI to use it. I've got some work in the area, that I
>> really should finish on of these days.
>
> OK, nevermind then.
>
It's an issue on our end, but thank you very much for pointing out it.
If you'd can spot any references to mingw and update those to
mingw-w64 [sending a patch or two] that will be greatly appreciated !

Thanks
Emil