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

[MacPorts]

#71744: Macports no longer supports rosetta 2
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  Reporter:  lukaso      |      Owner:  (none)
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  base        |    Version:
Resolution:  worksforme  |   Keywords:
      Port:              |
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Comment (by lukaso):

 > Running MacPorts natively and setting build_arch was always the way that
 cross-compiling for another architecture was intended to work.

 I think what you are saying here is that I should be able to build
 everything as x86_64 by setting `build_arch` to `x86_64`, right?

 And do you think this would work with setting `SDKROOT` and
 `MACOSX_DEPLOYMENT_TARGET`? Is that preferable/likely to be better than
 what I'm doing, which is running in rosetta? (I'd have to change a bunch
 of code to try it, so asking before I embark on such an adventure.)

 Thanks!

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Ticket URL: <https://trac.macports.org/ticket/71744#comment:6>
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