[MacPorts] #62901: crossgcc-1.0.tcl required compilers needs updating

[MacPorts]

#62901: crossgcc-1.0.tcl required compilers needs updating
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  Reporter:  Gcenx     |      Owner:  mojca
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  crossgcc  |
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Comment (by mojca):

 My suggestion would be to copy the code for compiler blacklist from the
 `gcc11` port to the `crossgcc-1.0` PortGroup and conditionally enable the
 blacklisting only if the GCC version is 11.0 or newer.

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Ticket URL: <https://trac.macports.org/ticket/62901#comment:2>
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