Bug#912925: glx-diversions: should divert libGL.so when other libraries are diverted to NVIDIA as pyqt5 breaks otherwise

[Julian Gilbey]

On Tue, Nov 06, 2018 at 05:16:29PM +0100, Andreas Beckmann wrote:
> > Another thing I've thought of doing is wrapping the dlopen library
> > call to trace all calls to hopefully locate the source of the issue.
> > 
> > But I still don't understand why you would not divert libGL.so when
> > libGL.so.1 is being diverted - it doesn't make any sense to me.
> 
> We are diverting it (otherwise it would be a dangling symlink) - we just
> set the alternative unconditionally to the diverted one because we don't
> want anything to get linked against the proprietary libraries at compile
> time.

Dear Andreas and Luca,

Thanks for that explanation - it makes sense now.

And I've managed to locate the bug in Qt at long last!!  Just testing
my proposed patch and then I'll submit a bug report against the
correct package....

Best wishes,

   Julian