[MacPorts] #63061: qt5: librecad build fails: could not resolve SDK Path for 'macosx10.11'

[MacPorts]

#63061: qt5: librecad build fails: could not resolve SDK Path for 'macosx10.11'
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  Reporter:  mascguy  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  qt5      |
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Comment (by mascguy):

 Marcus, I'm guessing this is also causing other qt5-dependent ports to
 fail on 10.11.

 Any thoughts on a potential fix?

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Ticket URL: <https://trac.macports.org/ticket/63061#comment:7>
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