[MacPorts] #46853: VTK @6.1.0 +qt4 variant added

[MacPorts]

#46853: VTK @6.1.0 +qt4 variant added
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 Reporter:  joelfred@…   |      Owner:  macports-tickets@…
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.3.3
 Keywords:               |       Port:  vtk
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 Added the option to build VTK with QT4, which is needed by VisIt, a port I
 am in the process of creating and submitting.

 For discussion: should qt4 or qt5 be a default variant?

 Also: I have not tested the qt5 variant, but it doesn't look like it
 should work, since VTK needs configuration environment variables when
 configuring it to work with qt5. See:
 http://www.vtk.org/Wiki/VTK/Configure_and_Build#Qt5..2A

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Ticket URL: <https://trac.macports.org/ticket/46853>
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