[MacPorts] #62112: mpv fails to build on MacBook Pro 2014 15" High Sierra

[MacPorts]

#62112: mpv fails to build on MacBook Pro 2014 15" High Sierra
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  Reporter:  KomiaPoika  |      Owner:  Ionic
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.4
Resolution:              |   Keywords:
      Port:  mpv         |
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Comment (by i0ntempest):

 Try forcing `use_xcode yes` in the portfile and retry the build. I have it
 enabled for 10.15 and later.
 Swift and swift modules have some weird problems especially in their early
 days.

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Ticket URL: <https://trac.macports.org/ticket/62112#comment:2>
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