[MacPorts] #53065: QGIS @2.18.0 build failure

[MacPorts]

#53065: QGIS @2.18.0 build failure
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  Reporter:  BuddyVolly  |      Owner:  Veence
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.5
Resolution:              |   Keywords:
      Port:  QGIS        |
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Comment (by cmutel):

 The problem isn't QScintilla, but QCA (crypto stuff). Some
 [https://github.com/macports/macports-
 ports/commit/c802cab46968d77548eafffcce6dddc015c93d9f recent changes to
 QCA in 2.1.0_4] to improve compatibility with QT4 and QT5 somehow broke
 QGis finding the QCA library or headers. Downgrading to 2.1.0_3+qt4 solved
 the problem for me.

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Ticket URL: <https://trac.macports.org/ticket/53065#comment:2>
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