[Mesa-dev] [Bug 86837] kodi segfault since auxiliary/vl: rework the build of the VL code

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86837

--- Comment #9 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to Christian König from comment #8)
> (In reply to Emil Velikov from comment #6)
> > Christian,
> > 
> > Are you concerned about the hidden and unchecked ABI mentioned - can you see
> > an easy way around it ?
> 
> Not really. To be honest I don't have much experience with such kind of
> linker hacks.
> 
> But as far as I know if we use weak symbols it shouldn't matter if VDPAU or
> OGL is loaded first. The strong symbols in the VDPAU module should overwrite
> the weak ones in the DRI module.
> 
Unfortunately it does not seem to work. Check out this example project [1], and
toggle the USE_FOO_DRI_FIRST at [2].

> As for letting the two interfaces work together that obviously only works if
> you use the same version of the gallium interface for both.
>
True, but we currently do not check if there is a miss-match. Thus my "hidden
and unchecked" comment earlier.

[1] https://github.com/evelikov/weaksymbols
[2] https://github.com/evelikov/weaksymbols/blob/master/Makefile.am#L6

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