[MacPorts] #67164: gcc12 @12.2.0_2: gfortran does not find libSystem

[MacPorts]

#67164: gcc12 @12.2.0_2: gfortran does not find libSystem
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  Reporter:  jsalort  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.8.1
Resolution:           |   Keywords:
      Port:  gcc12    |
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Comment (by kencu):

 It would be good to see what SDK path is currently being baked into the
 gcc12 port, so we might get an idea what is going wrong with that. It is
 supposed to be a generic MacOSX.sdk at this point in time, pointing to the
 SDK installation in the Command Line Tools, which should exist on every
 system.

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Ticket URL: <https://trac.macports.org/ticket/67164#comment:4>
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