[MacPorts] #70989: libvpx-1.13.1 won't build on Sequoia/Apple Silicon

[MacPorts]

#70989: libvpx-1.13.1 won't build on Sequoia/Apple Silicon
------------------------------+--------------------
 Reporter:  MaintenanceCosts  |      Owner:  (none)
     Type:  defect            |     Status:  new
 Priority:  Normal            |  Milestone:
Component:  ports             |    Version:
 Keywords:                    |       Port:  libvpx
------------------------------+--------------------
 libvpx fails consistently, after cleaning, with "Undefined symbols for
 architecture arm64" error.  Log attached.

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Ticket URL: <https://trac.macports.org/ticket/70989>
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