[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 BuddyVolly):

 Dear Chris,

 may thanks for your answer. I am still a bit new to macports, so I tried,
 but failed :)
 I have an older version of qca (2.1.0_2+qt4) that I activated using "port
 activate". And I also uninstalled the newer version of qca using port
 uninstall. Before reinstalling gis I uninstalled all qgis versions (after
 the upgrade attempt it did not work anyway with either of the versions)
 and did a port clean.

 When reinstalling qgis, it is however catching the new qca version so that
 I am again running into this problem. Can you indicate how to tell him to
 use the older version?

 Thanks in advance,
 Andreas

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Ticket URL: <https://trac.macports.org/ticket/53065#comment:4>
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