[MacPorts] #58747: Error: clang-4.0 has been replaced by clang-8.0; please install that instead.

[MacPorts]

#58747: Error: clang-4.0 has been replaced by clang-8.0; please install that
instead.
------------------------+----------------------
  Reporter:  dmitriz    |      Owner:  jeremyhu
      Type:  defect     |     Status:  assigned
  Priority:  High       |  Milestone:
 Component:  ports      |    Version:  2.5.4
Resolution:             |   Keywords:
      Port:  clang-8.0  |
------------------------+----------------------

Comment (by dmitriz):

 I've figured it out:

 https://stackoverflow.com/a/57212770/1614973

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Ticket URL: <https://trac.macports.org/ticket/58747#comment:4>
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