[MacPorts] #40249: py-obspy @0.8.4_0: update compiler variants

[MacPorts]

#40249: py-obspy @0.8.4_0: update compiler variants
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  Reporter:  Peter.Danecek@…  |      Owner:  macports-tickets@…
      Type:  enhancement      |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:                   |   Keywords:  haspatch
      Port:  py-obspy         |
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Comment (by Peter.Danecek@…):

 Well, that exactly was my doubt about. Thanks for this clarification!

 I update the diff file and revert to the behaviour the port had before
 r110107.  I intentionally use a second if clause (as I expect further
 changes if a compiler ports group should become available), but feel free
 to change this;

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Ticket URL: <https://trac.macports.org/ticket/40249#comment:5>
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