[MacPorts] #71414: port bind9 fails to build

[MacPorts]

#71414: port bind9 fails to build
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  Reporter:  rustydraper  |      Owner:  danielluke
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.10.99
Resolution:               |   Keywords:  sequoia
      Port:  bind9        |
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Comment (by ryandesign):

 No need to clean with `--all`. That will throw away the distfile and
 you'll have to download it again, but if the distfile had been invalid it
 would have failed checksum verification. Therefore you can just clean
 without `--all`.

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Ticket URL: <https://trac.macports.org/ticket/71414#comment:13>
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