[Deb-scipy-devel] 2 questions about numpy (ubuntu, Atlas)

[Jose Fonseca]

Hi,

On Thu, 2006-07-20 at 19:41 +0200, Ed Schofield wrote:
> David Cournapeau wrote:
> > Hi there,
> >
> >    A recent convert to numpy/scipy, and a user of ubuntu and debian, I
> > am interested in the development of debian and ubuntu packages of
> > numpy/scipy and related packages.
> >    I have two questions:
> >
> >    - first, why the conflict with atlas ? I am building my numpy/scipy
> > packages with atlas without any problems, and I thought that atlas3
> > would give the best with respect to speed ?
> 
> I also think the build-conflict with ATLAS is unnecessary.  José, I
> think the build works fine with atlas3 provided the relevant atlas3-dev
> packages (e.g. atlas3-base-dev) are installed.  These provide the
> symlinks (such as libatlas.so, libcblas.so, and libf77blas.so) that
> NumPy is looking for.
> 
> So we probably want something like:
> 
> Build-Depends: ..., refblas3-dev | atlas3-base-dev, lapack3-dev |
> atlas3-base-dev, ...

I though the build conflict was necessary to avoid a strict dependence
of the binary packages on atlas, but looking to octave as you mentioned
it seems unnecessary.

> 
> This is the way Octave is set up (see
> http://ftp.debian.org/debian/pool/main/o/octave2.9/octave2.9_2.9.6-3.diff.gz). 
> I'll test it for NumPy as soon as my shiny new Sid box is ready and post
> the results ...
[...]

José Fonseca


		
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