[MacPorts] #63096: MacPort installer requires Rosetta 2

[MacPorts]

#63096: MacPort installer requires Rosetta 2
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  Reporter:  gagarine  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  base      |    Version:
Resolution:            |   Keywords:
      Port:            |
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Comment (by jmroot):

 OK, we don't currently set hostArchitectures since it is documented as
 being optional. This could well be an undocumented change in Big Sur's
 Installer.

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Ticket URL: <https://trac.macports.org/ticket/63096#comment:4>
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