Bug#876033: primusrun doesn't find libGL.so.1

[Luca Boccassi]

On Wed, 2017-10-11 at 11:57 +0200, Andreas Beckmann wrote:
> On 10/11/2017 11:46 AM, Luca Boccassi wrote:
> > Andreas,
> > 
> > Long term, the only easy to maintain solution I can see (until
> > there is
> > proper support upstream for GLVND) would be to change the config in
> > a
> > postinst, depending on what package is installed. But that feels
> > very
> > wrong (changing config files) and very fragile.
> > What do you think?
> 
> Clear NACK for modifying conffiles. You would also need triggers to
> change this if some package is installed/removed later on.

Yep fully agree.

> I think primus needs two searchpatch variables (classic and glvnd)
> and
> needs to detect at runtime which one to use. Well, the second one
> could
> be "empty", since it uses system libs instead of driver dependent
> ones.
> How ever this runtime detection could look like.

The additional problem is that the change would involve bumblebee too,
since that's what sets up these paths.

Given it's a non-trivial amount of work, I wonder if it's better to
keep the workaround in place (assuming it doesn't cause problems) and
then wait for server-side GLVND to happen?

I've seen movement in the past few weeks, apparently support in Xorg is
about to land:

https://github.com/kbrenneman/libglvnd/commits/server-libglx-tag-data
https://www.phoronix.com/scan.php?page=news_item&px=NVIDIA-XDC17-GLVND
https://www.phoronix.com/scan.php?page=news_item&px=Xorg-Server-1.20-Features
https://lists.x.org/archives/xorg-devel/2017-July/054118.html

-- 
Kind regards,
Luca Boccassi
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