Bug#760936: BLAS: not Multi-Arch safe

[Sébastien Villemot]

Le mardi 09 septembre 2014 à 11:11 +0200, Thorsten Glaser a écrit :

> Helmut and I think you need to move the libblas.so.3
> symlink into arch-qualified subdirectories and manage
> multiple alternatives, one per architecture.

I think this is the way to go. It will have to wait for the release of
Jessie though, because we are too late in the current cycle to make that
change.

> Helmut suggested to just add "Conflicts: libblas.so.3"
> to all providers of the libblas.so.3 virtual package,
> so they are not coïnstallable, then drop the alternatives
> Geraffel and just use normal M-A coïnstallability. Please
> do enlighten us to the reason of this alternatives system ☺

Because it is useful to be able to switch between Netlib BLAS, ATLAS and
OpenBLAS without using the package manager. So, introducing conflicts
between the various implementations is a regression from my POV, and I
won't do that.

Thanks for your feedback,

-- 
 .''`.    Sébastien Villemot
: :' :    Debian Developer
`. `'     http://www.dynare.org/sebastien
  `-      GPG Key: 4096R/381A7594

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