[MacPorts] #62484: orcus @0.16.1 build failure on 10.12

[MacPorts]

#62484: orcus @0.16.1 build failure on 10.12
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  Reporter:  gust334  |      Owner:  Tatsh
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.6.4
Resolution:           |   Keywords:
      Port:  orcus    |
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Comment (by Tatsh):

 Need this change tested on the build bots. 10.13 and below all have this
 issue.

 https://github.com/macports/macports-ports/pull/10329

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Ticket URL: <https://trac.macports.org/ticket/62484#comment:2>
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