Re: [oe-core][PATCHv2] default-providers.inc: add entries for virtual/libsdl2

[Markus Volk <f_l_k@t-online.de>]

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On Fri, Apr 25 2025 at 09:59:58 +02:00:00, Alexander Kanavin via 
lists.openembedded.org <alex.kanavin=gmail.com@lists.openembedded.org> 
wrote:
> This is fine, but it makes me wonder: is libsdl2-compat compatible
> enough to build qemu-system-native with it? Can you try that? Then we
> might consider switching over to sdl3 in core.

I have already tried this. I have set it up as follows:
VIRTUAL-RUNTIME_libsdl2 = ā€œlibsdl2-compatā€
PREFERRED_PROVIDER_virtual/libsdl2 = ā€œlibsdl2-compatā€
PREFERRED_PROVIDER_virtual/libsdl2-native = ā€œlibsdl2-compat-nativeā€
PREFERRED_PROVIDER_virtual/nativesdk-libsdl2 = 
ā€œnativesdk-libsdl2-compatā€

and I was able to build my complete image, which includes building 
qemu-system-native
and also a lot of libsdl2 games, and at least compilation-wise there 
were no problems.
I also noticed quite some runtime improvements if running libsdl2 apps 
under wayland

Some possible problems I can think of:

- libsdl2-compat would add a requirement for x11 and opengl
- I'm not sure why this is, but libsdl2-compat was added to 
non-repro-meta-oe.inc, which
  suggests there may still be a reproducibility issue


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