[MacPorts] #68490: libomp @17.0.3: needs compiler with atomic support

[MacPorts]

#68490: libomp @17.0.3: needs compiler with atomic support
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  Reporter:  RobK88  |      Owner:  eborisch
      Type:  defect  |     Status:  closed
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.8.1
Resolution:  fixed   |   Keywords:  lion mountainlion mavericks
      Port:  libomp  |
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Comment (by cjones051073):

 Thanks for checking.

 I would though have been very surprised to find any dependencies as the
 regular clang-x ports are used as fallback build dependencies in a lot of
 cases as we have never had an issue like this, so it would have been weird
 for the clang 11 bootstrap port to be any different…

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Ticket URL: <https://trac.macports.org/ticket/68490#comment:17>
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