[MacPorts] #63791: Unknown error building mpv on Big Sur

[MacPorts]

#63791: Unknown error building mpv on Big Sur
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  Reporter:  yasuiniko  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.7.1
Resolution:             |   Keywords:  mpv, build, error, Big Sur
      Port:  mpv        |
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Comment (by chrstphrchvz):

 This ticket should be assigned/CC'ed to the port maintainers (@Ionic,
 @i0ntempest).

 Would it help if the mpv port detected if Xcode 13.0 is present and
 immediately displayed an error message (a more helpful one advising what
 to do)?

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Ticket URL: <https://trac.macports.org/ticket/63791#comment:3>
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