[MacPorts] #62474: tensorflow build fails on 10.15

[MacPorts]

#62474: tensorflow build fails on 10.15
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  Reporter:  essandess      |      Owner:  emcrisostomo
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.6.4
Resolution:                 |   Keywords:
      Port:  py-tensorflow  |
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Comment (by cjones051073):

 This isn't an issue an individual port can, or should try to, fix itself.
 its an issue with the user's Xcode installation, and as such the user is
 expected to fix it themselves. If you think there is a bug here with
 Xcode-select, then you should take it up with Apple.

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Ticket URL: <https://trac.macports.org/ticket/62474#comment:21>
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