[MacPorts] #52328: opencv 3.1.0 fails build on macOS Sierra

[MacPorts]

#52328: opencv 3.1.0 fails build on macOS Sierra
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  Reporter:  jefrey_c@…  |      Owner:  stromnov
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  sierra
      Port:  opencv      |
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Changes (by mkae):

 * Attachment "cmake-1.1.tcl" added.

 The new cmake port group version 1.1 (which deserves a separate ticket for
 discussion, I suppose)

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Ticket URL: <https://trac.macports.org/ticket/52328>
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