GNU bug report logs - #75846
31.0.50; feature/igc pgtk build crash on Linux/wayland (kde plasma6)

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From: Pip Cet <pipcet <at> protonmail.com>
To: Eval EXEC <execvy <at> gmail.com>
Cc: 75846 <at> debbugs.gnu.org
Subject: bug#75846: 31.0.50; feature/igc pgtk build crash on Linux/wayland (kde plasma6)
Date: Sun, 26 Jan 2025 03:18:12 +0000

Pip Cet <pipcet <at> protonmail.com> writes:

> "Eval EXEC" <execvy <at> gmail.com> writes:
>
>> Hello,
>>
>> I'm helping to test feature/igc branch on my machine, and I got a crash,
>> the build doesn't have gdb debug symbols, and I'm going to recompile
>> emacs with gdb debug symbol to reproduce it.
>
> Thanks for the report!
>
> Reproducing this with a gdb backtrace would be great; it's possible
> there's no additional information in there, but it's also possible it'll
> reveal the problem.
>
> Could you confirm (from the build log) that the
> "-fno-omit-frame-pointer" option was present when building Emacs?
>
>> In GNU Emacs 31.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
>>  3.24.43, cairo version 1.18.2) of 2025-01-25 built on Mufasa
>> Repository revision: 67e602105774a31508239a6d2a6a05a4d4c5d363
>> Repository branch: feature/igc
>> System Description: NixOS 24.11 (Vicuna)
>>
>> Configured using:
>>  'configure 'CFLAGS=-O3 -march=native'
>
> I tried configuring like that, and my CFLAGS didn't include
> -fno-omit-frame-pointer.

Oh, I was looking at the lib/*.o compilation.  src/*.o includes
-fno-omit-frame-pointer.  Even though it might be possible to enter MPS
from there, it soems a bit unlikely.  So probably a false alarm :-)

Will have a brief look at the PGTK code yet, particularly anything to do
with fonts...

Pip

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