[MacPorts] #57875: port:poppler shouldn't require C++14?!

[MacPorts]

#57875: port:poppler shouldn't require C++14?!
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  Reporter:  RJVB     |      Owner:  dbevans
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  poppler  |
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Comment (by kencu):

 we already pinned poppler once, at the last  qt4 supporting version, fyi.
 see poppler-qt4.

 Maybe we might just stop updating poppler so often? These monthly
 earthquakes are driving everyone crazy. The KGB or CIA can't be releasing
 malicious PDFs so frequently that we mave to stay ahead of them... We
 haven't updated icu in years, just to avoid this aggro...

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Ticket URL: <https://trac.macports.org/ticket/57875#comment:10>
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