[MacPorts] #63697: libgcc9 9.4.0 fails to build under Monterey (Undefined symbols for architecture x86_64:)

[MacPorts]

#63697: libgcc9 9.4.0 fails to build under Monterey (Undefined symbols for
architecture x86_64:)
----------------------------+--------------------
  Reporter:  camillegallet  |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:
      Port:  libgcc9        |
----------------------------+--------------------
Changes (by camillegallet):

 * Attachment "main.log" added.

 log file

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Ticket URL: <https://trac.macports.org/ticket/63697>
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