Running f3d without glx, elg or osmesa trigger a segfault

[mwestphal]

Describe the bug
Run f3d without a valid rendering backend and it will fail with a segfault.
Trivial to reproduce with docker

To Reproduce
Steps to reproduce the behavior:

1. run docker ubuntu:24.04
2. install nightly .deb package, do not install suggested packages
3. run f3d
4. segfault

========== Configuring engine ==========
Generic Warning: In vtkOSOpenGLRenderWindow.cxx, line 149
libOSMesa not found. It appears that OSMesa is not installed in your system. Please install the OSMesa library from your distribution's package manager.


VTK window class type is vtkOSOpenGLRenderWindow
Segmentation fault (core dumped)

Expected behavior
A failure but no segfault

System Information:

• OS: Ubuntu 24.04
• GPU and GPU driver: None

F3D Information
Paste the content of f3d --version or f3d-console.exe --version on Windows: Nightly

Additional context
Add any other context about the problem here.

[Meakk]

The .deb lists OSMesa as strict dependency iirc

[mwestphal]

The .deb lists OSMesa as strict dependency iirc

indeed, but this is going to change once f3d-app/f3d-superbuild#273 lands.

[mwestphal]

@mzf-guest

[mzf-guest]

Does this Debian package bug report looks similar?
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1121993