[MacPorts] #62719: arm-none-eabi-gcc fails to build on M1

[MacPorts]

#62719: arm-none-eabi-gcc fails to build on M1
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  Reporter:  hpux735            |      Owner:  (none)
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.6.4
Resolution:                     |   Keywords:  arm64, bigsur
      Port:  arm-none-eabi-gcc  |
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Comment (by hpux735):

 So I see your patch, and that makes sense.  Where I'm a little stuck is
 that the portfiles for the cross tools are all made with that tcl script,
 and I'm not really familiar with how to "hook" into it.  Do you have any
 advice?

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Ticket URL: <https://trac.macports.org/ticket/62719#comment:6>
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