[MacPorts] #62449: libffi @3.3_1: not building universal on arm64

[MacPorts]

#62449: libffi @3.3_1: not building universal on arm64
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  Reporter:  kencu   |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:  universal arm64
      Port:  libffi  |
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Comment (by DDeanBrown):

 Also fails on Intel machine when building from source. I got it to fail by
 doing
  port install libffi +universal
 using non-standard install prefix, and also got it to fail by doing
  port install -s libffi +universal
 with default install prefix of /opt/local

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Ticket URL: <https://trac.macports.org/ticket/62449#comment:5>
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