<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Murray,<div><br></div><div>The version of gfortran depends on the version of gcc chosen by the compilers port group (currently gcc5).</div><div><br></div><div><div><div>On Nov 6, 2016, at 12:50 PM, Murray Eisenberg <<a href="mailto:murrayeisenberg@gmail.com">murrayeisenberg@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><blockquote type="cite" class=""><div class=""><br class="Apple-interchange-newline">On Nov 6, 2016, at 1:27 PM, Marius Schamschula <<a href="mailto:lists@schamschula.com" class="">lists@schamschula.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br class=""><div class=""><div class="">On Nov 6, 2016, at 12:19 PM, Murray Eisenberg <<a href="mailto:murrayeisenberg@gmail.com" class="">murrayeisenberg@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite" class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">I’m reinstalling arpack, atlas, and octave during completion of MacPorts migration to macOS Sierra.<div class=""><br class=""></div><div class="">On El Capitan, my installed ports included:</div><div class=""><br class=""></div><div class=""> arpack @3.3.0_3+atlas+gfortran</div><div class=""> atlas @3.10.2_2 </div><div class=""> octave @4.0.3_1+app+atlas+docs+fltk+gfortran+graphicsmagick+qt4gui+sound-accelerate-java </div><div class=""><br class=""></div><div class="">I began now with:</div><div class=""><br class=""></div><div class=""> <span class="" style="font-family: Menlo; font-size: 12px; background-color: rgb(255, 255, 255);">sudo port install arpack -accelerate+atlas</span></div><div class=""><span class="" style="font-family: Menlo; font-size: 12px; background-color: rgb(255, 255, 255);"><br class=""></span></div><div class="">(1) Should I have added +gfortran there, since for octave I’m going to be including variant +gfortran ?</div><div class=""><br class=""></div><div class="">(2) Is there any particular reason to use a +gccxx variant with atlas?</div></div></blockquote><div class=""><br class=""></div><div class="">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).</div><div class=""><br class=""></div><div class="">Unfortunately, atlas currently only supports gcc5, not gcc6. See <a href="https://trac.macports.org/ticket/52606" class="">https://trac.macports.org/ticket/52606</a></div></div><br class=""></div></div></blockquote></div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">I don’t understand about “which version of gfortran”: arpack, like octave, offers +gfortran but without any indication of version of gfortran.</div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">And atlas does not offer any variant (at least directly) of fortran.</div><br class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">---<br class="">Murray Eisenberg<span class="Apple-tab-span" style="white-space: pre;"> </span><a href="mailto:murrayeisenberg@gmail.com" class="">murrayeisenberg@gmail.com</a><br class="">503 King Farm Blvd #101<span class="Apple-tab-span" style="white-space: pre;"> </span>Home (240)-246-7240<br class="">Rockville, MD 20850-6667<span class="Apple-tab-span" style="white-space: pre;"> </span>Mobile (413)-427-5334</div></blockquote></div><br><div>
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Marius</div><div>--</div><div>Marius Schamschula</div><div><br></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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