Bug#874727: OSG changing VRML renderer away from coin3

[Christoph Berg]

Re: To markus 2018-10-05 <20181005080326.GB13732 at msg.df7cb.de>
> > it's a packaging bug - libcoin is statically linked with libexpat, and
> > the version being used is outdated. So anything that uses libcoin and
> > libexpat will run into a segfault.
> > 
> > I am not aware of any other application that uses libcoin.
> 
> I noticed because PostGIS is affected via postgis B-D -> libsfcgal-dev
> -> libsfcgal-osg1 -> libopenscenegraph100v5 -> libcoin80v5. Looking at
> https://udd.debian.org/cgi-bin/autoremovals.cgi there's quite a few
> packages depending on coin3. So the question whether this affects
> freecad only or more packages is making quite a difference.

There is some indirect progress on this, Sebastiaan Couwenberg has
submitted patches to change OSG's VRML renderer to SGI Inventor:

| Patches for both OSG packages have been submitted to use SGI Inventor
| instead of COIN:
|
|  https://bugs.debian.org/912866 (openscenegraph)
|  https://bugs.debian.org/912867 (openscenegraph-3.4)

Christoph