[MacPorts] #30493: Update kdegraphics4 to 4.7.0

[MacPorts]

#30493: Update kdegraphics4 to 4.7.0
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 Reporter:  nicos_pavlov@…                      |       Owner:  macports-tickets@…                   
     Type:  defect                              |      Status:  new                                  
 Priority:  Normal                              |   Milestone:                                       
Component:  ports                               |     Version:  2.0.0                                
 Keywords:                                      |        Port:  kdegraphics4                         
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 Some packages of KDE were updated to 4.7 recently, but kdegraphics4 does
 not exist anymore in this distribution, and is thus broken.
 It is replaced in KDE 4.7 by several separate packages. I prepared several
 new ports which should replace kdegraphics4. I thus attach: [[BR]]
  - The patch to kdegraphics4 portfile to deactivate it. As multiple ports
 are replacing it, I did not use the replaced_by method[[BR]]
  - The portfiles for okular, gwenview and kcolorchooser which are the main
 components of kdegraphics to my knowledge

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Ticket URL: <https://trac.macports.org/ticket/30493>
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