[MacPorts] #65501: py-pytorch @1.12.0: builds failing for big sur and monterey: error: unknown warning option '-Wno-unused-but-set-variable'

[MacPorts]

#65501: py-pytorch @1.12.0: builds failing for big sur and monterey: error: unknown
warning option '-Wno-unused-but-set-variable'
-------------------------+-----------------------------
  Reporter:  mascguy     |      Owner:  mascguy
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.2
Resolution:  fixed       |   Keywords:  bigsur monterey
      Port:  py-pytorch  |
-------------------------+-----------------------------

Comment (by jmroot):

 This sort of thing is why we prefer to not use -Werror for port builds.

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Ticket URL: <https://trac.macports.org/ticket/65501#comment:4>
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