[MacPorts] #62964: QT 5.9: Add Mavericks Compatibility

[MacPorts]

#62964: QT 5.9: Add Mavericks Compatibility
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  Reporter:  Wowfunhappy  |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.7.0
Resolution:               |   Keywords:  haspatch mavericks
      Port:  qt59         |
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Comment (by Wowfunhappy):

 I think I know why qttools doesn't build with MacPorts, but does build
 independently—I need to set the macOS SDK to 10.10 instead of 10.9. Will
 do some testing if I have time...

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Ticket URL: <https://trac.macports.org/ticket/62964#comment:10>
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