Use what arpack & atlas variants for use with octave?

[Marius Schamschula]

On Nov 6, 2016, at 12:19 PM, Murray Eisenberg <murrayeisenberg at gmail.com> wrote:

> I’m reinstalling arpack, atlas, and octave during completion of MacPorts migration to macOS Sierra.
> 
> On El Capitan, my installed ports included:
> 
>    arpack @3.3.0_3+atlas+gfortran
>    atlas @3.10.2_2 
>   octave @4.0.3_1+app+atlas+docs+fltk+gfortran+graphicsmagick+qt4gui+sound-accelerate-java 
> 
> I began now with:
> 
>    sudo port install arpack -accelerate+atlas
> 
> (1) Should I have added +gfortran there, since for octave I’m going to be including variant +gfortran ?
> 
> (2) Is there any particular reason to use a +gccxx variant with atlas?

The choice of which version of gfortran is used for arpack should be the same as the version used to build atlas (and for that matter octave).

Unfortunately, atlas currently only supports gcc5, not gcc6. See https://trac.macports.org/ticket/52606

> ---
> Murray Eisenberg			murrayeisenberg at gmail.com
> 503 King Farm Blvd #101	Home (240)-246-7240
> Rockville, MD 20850-6667	Mobile (413)-427-5334
> 
> 

Marius
--
Marius Schamschula




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