[MacPorts] #62843: py-cryptography @3.4.7: ports failing to build for MacOS 10.12 and earlier

[MacPorts]

#62843: py-cryptography @3.4.7: ports failing to build for MacOS 10.12 and earlier
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  Reporter:  mascguy          |      Owner:  stromnov
      Type:  defect           |     Status:  closed
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:  fixed            |   Keywords:
      Port:  py-cryptography  |
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Comment (by cjones051073):

 Damn, whilst everything worked fine for me locally here rust is now
 failing to build in the buildbots on 10.12 and older… I’ll take a local
 tomorrow..

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Ticket URL: <https://trac.macports.org/ticket/62843#comment:14>
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