[Scons-users] Mesa3D graphics library build failure when using Scons 3.0.3 and newer on Windows with Visual Studio 2017, Scons 3.0.1 is unaffected.

[Daniel Moody]

Which commits did you bisect too?

On Mon, Feb 18, 2019, 11:37 AM Bill Deegan <bill at baddogconsulting.com wrote:

> nir_opcodes.h and any other file which are not present when needed are
> indeed relevant.
> They indicate what in the build logic is missing dependencies.
> If the dependencies were correct, then those files would be
> created/present before any file which depends on them is compiled..
>
> -Bill
>
> On Mon, Feb 18, 2019 at 1:15 AM Liviu Prodea <liviuprodea at yahoo.com>
> wrote:
>
>> I am not a Mesa3D developer so I also filed a bug with them as well:
>> https://bugs.freedesktop.org/show_bug.cgi?id=109443
>>
>>
>> I dug up a bit more now that I have Scons source code at hand. It appears
>> that Scons 3.0.2 that has been pulled from pypi is also affected. I tried
>> bisecting between rel_3.0.1 and rel_3.0.2 branches range but when I get
>> close to finish, I end up with 2 commits that are completely broken and 1
>> with excessive debug that I don't know if it fails on same spot as master,
>> rel_3.0.4, rel_3.0.3 or rel_3.0.2.
>>
>>
>>
>> I don't think nir_opcodes.h is relevant because if I change the
>> configuration (add off-screen rendering / build llvmpipe / other changes)
>> it stumbles in other header file. Also if I keep retrying building after
>> failure without cleaning it succeeds eventually after plenty of tries with
>> failures in random header files so it makes progress.
>>
>>
>>
>> ========================================
>>
>>
>> On Sunday, February 17, 2019, 10:30:43 PM GMT+2, Bill Deegan <
>> bill at baddogconsulting.com> wrote:
>>
>>
>> what generates "'nir_opcodes.h" ?
>> Is that output from bison/flex/some other code generator, or is that just
>> a file which is checked into your tree?
>>
>> On Sun, Feb 17, 2019 at 2:01 AM Liviu Prodea <liviuprodea at yahoo.com>
>> wrote:
>>
>> I applied the patch and it succeeded in getting past configuration phase
>> but the end result is the same as with Scons 3.0.4 release.
>>
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