[MacPorts] #50687: netgen @5.3.1 Add nglib and occ variants

[MacPorts]

#50687: netgen @5.3.1 Add nglib and occ variants
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  Reporter:  ian.rees@…   |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  netgen       |
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Comment (by sean@…):

 Is there any reason not to always enable shared libraries? I try to make
 sure those are always there in my ports. The rest of it looks ok to me. I
 should probably add mpi to it one day.

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Ticket URL: <https://trac.macports.org/ticket/50687#comment:3>
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