[MacPorts] #65089: libgcc10 v.10.3.0_4 build fail on Mountain Lion

[MacPorts]

#65089: libgcc10 v.10.3.0_4 build fail on Mountain Lion
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  Reporter:  chillin-  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.2
Resolution:            |   Keywords:  libgcc10
      Port:  libgcc10  |
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Changes (by chillin-):

 * Attachment "main.log" added.

 main.log of build fail for libgcc10

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Ticket URL: <https://trac.macports.org/ticket/65089>
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