[MacPorts] #53231: QGIS @2_18_2_2: error: virtual function 'dataType' has a different return type ('int') than the function it overrides (which has return type 'QGis::DataType')

[MacPorts]

#53231: QGIS @2_18_2_2: error: virtual function 'dataType' has a different return
type ('int') than the function it overrides (which has return type
'QGis::DataType')
-----------------------+----------------------
  Reporter:  gcarlino  |      Owner:  Veence
      Type:  defect    |     Status:  accepted
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.5
Resolution:            |   Keywords:
      Port:  QGIS      |
-----------------------+----------------------

Comment (by michaelld):

 After some work on your Portfile, I can get the recently released 2.18.5
 to build. I can't get the current GIT master head to build, with the same
 issue as you encountered (no file "qgis_python.h"). I'm really not sure
 why you included the cmake and GitHub PortGroups without really using
 them, so I reenabled using them to simplify the Portfile. I'll look into
 the missing file situation a bit further before porting my updates, just
 in case it's an easy solution.

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Ticket URL: <https://trac.macports.org/ticket/53231#comment:52>
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