[MacPorts] #71744: Macports no longer supports rosetta 2

[MacPorts]

#71744: Macports no longer supports rosetta 2
--------------------+--------------------
 Reporter:  lukaso  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  base    |    Version:
 Keywords:          |       Port:
--------------------+--------------------
 {{{
 Error: MacPorts is running through Rosetta 2, and should be rebuilt for
 Apple Silicon
 Error: Please run 'sudo port migrate' or follow the migration
 instructions: https://trac.macports.org/wiki/Migration
 OS platform mismatch
     while executing
 "mportinit ui_options global_options"
 }}}

 This change is a real problem for building GIMP as we are unable to run
 the build on a x86_64 machine, so we need to be able to run macports under
 rosetta 2.

 Why was this change made (if I might ask)?

-- 
Ticket URL: <https://trac.macports.org/ticket/71744>
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