List Archive: gentoo-science
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On Sunday 21 August 2005 10:25 am, Peter Bienstman wrote:
> On Sunday 21 August 2005 15:22, Darren Dale wrote:
> > I use numeric and scipy, and have been trying for a long time to improve
> > the ebuilds to use blas/lapack/atlas. I submitted an ebuild for numeric
> > six months ago (http://bugs.gentoo.org/show_bug.cgi?id=81520), but it has
> > languished in buzilla because it is not clear how to deal with ATLAS (my
> > atlas USE flag was rejected). How should ATLAS dependencies be handled in
> > the new infrastructure?
> In theory it's as simple as depending on virtual/blas and virtual/lapack.
> The user can then switch between different lapack and blas implementations
> at runtime with blas-config and lapack-config.
It is not that simple. If numeric and scipy are to make use of atlas, atlas
has to be in their external library list at compile time. If atlas is in the
list, but not installed on the system, compilation will fail.
Darren S. Dale
Department of Materials Science and Engineering
Ithaca, NY. 14850
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