[MacPorts] #67744: gcc12 +universal arm64 supporting cross-build to x86_64 target.

[MacPorts]

#67744: gcc12 +universal arm64 supporting cross-build to x86_64 target.
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  Reporter:  mu578        |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.8.1
Resolution:               |   Keywords:  x86_64 arm64
      Port:  gcc12        |
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Comment (by mu578):

 Thanks Joshua, so then, I'll build a gcc cross-build toolchain outside of
 macport.

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Ticket URL: <https://trac.macports.org/ticket/67744#comment:2>
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