> On Nov 6, 2016, at 1:27 PM, Marius Schamschula <li...@schamschula.com> wrote: > > > On Nov 6, 2016, at 12:19 PM, Murray Eisenberg <murrayeisenb...@gmail.com > <mailto:murrayeisenb...@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 > <https://trac.macports.org/ticket/52606>
I don’t understand about “which version of gfortran”: arpack, like octave, offers +gfortran but without any indication of version of gfortran. And atlas does not offer any variant (at least directly) of fortran. --- Murray Eisenberg murrayeisenb...@gmail.com 503 King Farm Blvd #101 Home (240)-246-7240 Rockville, MD 20850-6667 Mobile (413)-427-5334
