From a post on the OpenModelica forum, I learned that the trouble was that I 
did not have the lapack port installed, and so the openmodelica-devel configure 
was attempting to use libatlas from atlas instead.

Subsequently, after cleaning everything, I did install lapack 
@3.8.0_0+gfortran. However, the configure still fails. Undoubtedly this is due 
to the fact that the following both involve atlas:

    octave @4.2.2_1+app+atlas+docs+fltk+gfortran+graphicsmagick+qt5+sound 
    SuiteSparse @4.2.1_4+atlas  [NB: octave depends on SuiteSparse]

I wonder if the following ploy might work (this is the MacPorts part of the 

    (1) uninstalling the +atlas variants of SuiteSparse and octave;

    (2) install openmodelica-devel (assuming that the presence of atlas and 
libatlas was the sole issue); then finally

    (3) reinstalling the +atlas variants of octave and SuiteSparse.

Note that openmodelica _seems_ to use SuiteSparse as well as lapack. And 
sundials has a library dependency on SuiteSparse.

Further information:

[me:~]$ sp dependent atlas
SuiteSparse depends on atlas
arpack depends on atlas
octave depends on atlas
qrupdate depends on atlas

[me:~]$ sp deps octave
Full Name: octave 
Build Dependencies:   gawk, icoutils, librsvg, grep, findutils, gsed, flex, 
bison, gperf, perl5, pkgconfig, gcc7, pkgconfig, librsvg, texinfo, 
texlive-basic, texlive-latex, texlive-fonts-recommended
Library Dependencies: python27, ghostscript, gnuplot, less, ncurses, readline, 
pcre, SuiteSparse, qhull, zlib, hdf5, fftw-3, fftw-3-single, glpk, curl, 
qrupdate, arpack, fontconfig, freetype, gl2ps,
                      vecLibFort, libgcc, qscintilla-qt5, fltk, libsndfile, 
portaudio, GraphicsMagick, qt5-qtbase, qt5-qttools
Runtime Dependencies: epstool, ghostscript, fig2dev, pstoedit

[me:~]$ sp deps openmodelica-devel 
Full Name: openmodelica-devel 
Build Dependencies:   gtime, gsed, cmake, pkgconfig, autoconf, automake, libtool
Library Dependencies: lp_solve, gettext, omniorb, readline, qjson, libgcc, 
gcc5, sundials, qt4-mac, qwt52
Runtime Dependencies: omlib-modelica-3.2.1

> On 7 Apr2018, at 4:34 PM, Ken Cunningham <> 
> wrote:
>> On Apr 7, 2018, at 1:13 PM, Murray Eisenberg <> 
>> wrote:
> With a small change in the openmodelica-devel Portfile that I did prior to 
> starting the build (so it would use gcc7 for fortran), all of 
> openmodelica-devel built through to completion for me on a current Xcode and 
> 10.13 system, using no compiler variants, and only +libraries.
> set gfortran_versions {4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 6 7}
> set default_fortran_variant +gfortran7
> Ken

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

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