[MacPorts] #61644: libgcc10 cannot be built on Big Sur with Apple Silicon (was: py38-matplotlib fails to compile/install on BigSur with Apple Silicon)

[MacPorts]

#61644: libgcc10 cannot be built on Big Sur with Apple Silicon
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  Reporter:  Gregory-Gelfond  |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.6.4
Resolution:                   |   Keywords:  arm64
      Port:  libgcc10         |
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Ticket URL: <https://trac.macports.org/ticket/61644#comment:2>
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