[MacPorts] #54754: qt5-qtbase @5.8.0_0 fails to build on MacOS 10.13

[MacPorts]

#54754: qt5-qtbase @5.8.0_0 fails to build on MacOS 10.13
-------------------------+------------------------
  Reporter:  rex4539     |      Owner:
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.4.99
Resolution:              |   Keywords:  highsierra
      Port:  qt5-qtbase  |
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Changes (by rex4539):

 * Attachment "main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/54754>
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