[MacPorts] #48834: add variants openblas, superlu, and tbb to armadillo

[MacPorts]

#48834: add variants openblas, superlu, and tbb to armadillo
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  Reporter:  hugo.at.ribeiro@…  |      Owner:  macports-tickets@…
      Type:  request            |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.3.3
Resolution:                     |   Keywords:  openblas
      Port:  armadillo          |
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Comment (by mschamschula@…):

 Unfortunately, armadillo has accelerate hard coded into CMakeLists.txt for
 the Mac platform.

 Obviously, one may patch this file to default to generic UNIX behavior,
 where other options such as ATLAS or OpenBLAS are detected.

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Ticket URL: <https://trac.macports.org/ticket/48834#comment:1>
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