Bug#725094: libvtk5-dev: Build-deps uninstallable on mips

[Julien Cristau]

On Tue, Oct  1, 2013 at 22:00:04 +0300, Andrei POPESCU wrote:

> Control: reassign -1 src:vtk
> 
> On Lu, 30 sep 13, 18:18:18, Wookey wrote:
> > Source: libvtk5-dev
> > Version: 5.8.0-14.1
> > Severity: important
> > 
> > apt-get install libvtk5-dev in a mips porterbox unstable chroot fails:
> > 
> > -------------
> > #apt-get install libvtk5-dev
> > Reading package lists...
> > Building dependency tree...
> > Reading state information...
> > Some packages could not be installed. This may mean that you have
> > requested an impossible situation or if you are using the unstable
> > distribution that some required packages have not yet been created
> > or been moved out of Incoming.
> > The following information may help to resolve the situation:
> > 
> > The following packages have unmet dependencies:
> >  libvtk5-dev : Depends: mpi-default-dev but it is not going to be installed
> > E: Unable to correct problems, you have held broken packages.
> > Command apt-get install -- libvtk5-dev exited with exit code 1.
> > --------------
> > 
> > This prevents packages which build-dep on libvtk5 from building on this arch, such as:
> > https://buildd.debian.org/status/package.php?p=therion&suite=sid
> > which is how I noticed the issue.
> > The problem seems to be that
> > libvtk5-dev depends on:
> >  mpi-default-dev -> libmpich2-dev -> libmpich-dev -> libmpich10
> > whilst 
> > libvtk5.8 depends on:
> >  libmpich2-3
> > 
> > and libmpich2-3 conflicts with libmpich10
> > 

So, err, why does libmpich10 conflict with libmpich2-3?  The whole point
(or at least an important part) of versioning shared libraries and their
packages is to allow co-installability...

Cheers,
Julien