[MacPorts] #126: dependencies need to allow inclusion of variant

[MacPorts]

#126: dependencies need to allow inclusion of variant
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  Reporter:  jpm@…               |       Owner:  macports-tickets@…                   
      Type:  enhancement         |      Status:  new                                  
  Priority:  Normal              |   Milestone:  MacPorts Future                      
 Component:  base                |     Version:                                       
Resolution:                      |    Keywords:                                       
      Port:                      |  
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Comment(by jm@…):

 A good example are the kdenlive + MLT + FFmpeg ports (some yet not
 committed to SVN).
 FFmpeg provides that codecs. MLT is the rendering and video engine.
 Kdenlive is only a GUI.

 To work correctly, you need to install MLT with all FFMPEG variants.
 But what you consider a variant is not a variant but a real need in FFmpeg
 case.

 So I expect most users to run "port install kdenlive".
 And this will install MLT with FFmpeg-devel. But with most codecs
 missings!

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Ticket URL: <http://trac.macports.org/ticket/126#comment:26>
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