[MacPorts] #48455: opencv @3.0.0: error: use of undeclared identifier 'PTHREAD_RECURSIVE_MUTEX_INITIALIZER' (was: Unnable to install opencv)

[MacPorts]

#48455: opencv @3.0.0: error: use of undeclared identifier
'PTHREAD_RECURSIVE_MUTEX_INITIALIZER'
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  Reporter:  danielsuarezgarcia@…  |      Owner:  stromnov
      Type:  defect                |     Status:  new
  Priority:  Normal                |  Milestone:
 Component:  ports                 |    Version:  2.3.3
Resolution:                        |   Keywords:
      Port:  opencv                |
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Comment (by ryandesign):

 In the mean time, the opencv port has been updated to 3.1.0. Please re-
 test with that version.

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Ticket URL: <https://trac.macports.org/ticket/48455#comment:3>
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