[MacPorts] #63655: opencbm @ 0.4.99 fails to build on high sierra

[MacPorts]

#63655: opencbm @ 0.4.99 fails to build on high sierra
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  Reporter:  rccraigb  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.1
Resolution:            |   Keywords:
      Port:            |
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Changes (by rccraigb):

 * Attachment "Portfile" added.

 Portfile

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Ticket URL: <https://trac.macports.org/ticket/63655>
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