[MacPorts] #49058: apbs: several minor enhancements

[MacPorts]

#49058: apbs: several minor enhancements
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  Reporter:  dstrubbe@…   |      Owner:  howarth.at.macports@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.3.4
Resolution:               |   Keywords:  haspatch
      Port:  apbs         |
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Comment (by dstrubbe@…):

 You can set it in master_sites. Also the github portgroup might be useful
 for this. The name of the resulting folder after extraction can be set
 with worksrcdir.

 Incidentally, is there a compelling reason for apbs-mpi to be a subport as
 opposed to just a variant, like apbs +mpi? That is the way every other
 port using MPI I have come across is set up.

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Ticket URL: <https://trac.macports.org/ticket/49058#comment:3>
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