[MacPorts] #38594: why are these error happening?

[MacPorts]

#38594: why are these error happening?
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  Reporter:  connortk@…  |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.1.3
Resolution:              |   Keywords:
      Port:              |
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Comment (by egall@…):

 Also you say Xcode is actually installed, have you accepted the license
 agreement and installed the Command-Line Tools and everything? What does
 `xcodebuild -version` return?

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Ticket URL: <https://trac.macports.org/ticket/38594#comment:3>
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