[MacPorts] #64954: boost177 @1.77.0+universal: error: 64-bit PPC compilation is not supported when targeting OSX 10.6 or later

[MacPorts]

#64954: boost177 @1.77.0+universal: error: 64-bit PPC compilation is not supported
when targeting OSX 10.6 or later
--------------------------------+-----------------------
  Reporter:  kithrup            |      Owner:  michaelld
      Type:  defect             |     Status:  reopened
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.7.2
Resolution:                     |   Keywords:
      Port:  boost177 boost176  |
--------------------------------+-----------------------

Comment (by MrB74):

 Same problem here. Building on M1 Mac Mini trying to get universal
 x64/arm64. Fails at the same location:
 :info:build error: at libs/thread/build/Jamfile.v2:273
 :info:build error: 64-bit PPC compilation is not supported when targeting
 OSX 10.6 or later

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Ticket URL: <https://trac.macports.org/ticket/64954#comment:22>
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