[MacPorts] #62329: clang-11: targeted OS version does not support -reexported_symbols_list on 10.6

[MacPorts]

#62329: clang-11: targeted OS version does not support -reexported_symbols_list on
10.6
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  Reporter:  mojca     |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  clang-11  |
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Comment (by kencu):

 We have, for the past two or three years, bandied about various ways we
 might automate this process on the buildbot, but so far I have not, in the
 end, settled on one to the point of actually implementing it.

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Ticket URL: <https://trac.macports.org/ticket/62329#comment:2>
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