Re: Rebuild packages using mpich instead of openmpi

[Alastair McKinstry <alastair.mckinstry@sceal.ie>]

> > Look at the mpi-default-dev package. Most packages using MPI should 
> > depend on it (only depending on eg libopenmpi-dev if its specifically 
> > openmpi dependent).
> >
> > Edit /usr/share/mpi-default-dev/debian_defaults locally, change 
> > openmpi -> mpich. Then
> >
> > # apt install libmpich-dev mpich
> >
> > # apt remove libopenmpi-dev openmpi-bin
>
> This also removes mpi-default-dev, which is a "build-depends" of 
> building (most) packages with MPI. I'm on buster, if that matters.
>
> I would like to re-build the packages the debian way (sort of a local 
> NMU), ie, apt source <package>; apt build-dep <package>; ...; debuild 
> -us -uc.
Oops; correct.  No need to do the "apt remove".

Do the above, without the apt remove, _before_ doing the rebuild a la NMU.


> Regards,
> -- st
--
Alastair McKinstry, email: alastair@sceal.ie, matrix: @alastair:sceal.ie
Commander Vimes didn’t like the phrase “The innocent have nothing to fear,”
 believing the innocent had everything to fear, mostly from the guilty but in the longer term
 even more from those who say things like “The innocent have nothing to fear.”
 - T. Pratchett, Snuff