[MacPorts] #57572: arm-none-eabi-gcc: add support for --specs=<something>.specs

[MacPorts]

#57572: arm-none-eabi-gcc: add support for --specs=<something>.specs
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  Reporter:  mojca              |      Owner:  (none)
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:
Resolution:                     |   Keywords:
      Port:  arm-none-eabi-gcc  |
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Comment (by mojca):

 I'm not sure if this one is related or not: #51397.

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Ticket URL: <https://trac.macports.org/ticket/57572#comment:1>
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