[MacPorts] #57724: py37-zmq @17.1.2: Build failure on OSX PPC: can't locate installed zmq

[MacPorts]

#57724: py37-zmq @17.1.2: Build failure on OSX PPC: can't locate installed zmq
---------------------------+----------------------
  Reporter:  SerpentChris  |      Owner:  jrjsmrtn
      Type:  defect        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.5.4
Resolution:  fixed         |   Keywords:
      Port:  py-zmq        |
---------------------------+----------------------

Comment (by barracuda156):

 Has anyone figured out what was the actual cause for the error (I
 understand that portfile code triggered it, but C++11 is not support to
 break things randomly)?

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Ticket URL: <https://trac.macports.org/ticket/57724#comment:19>
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