[MacPorts] #28233: make app self-contained

[MacPorts]

#28233: make app self-contained
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 Reporter:  koen@…          |       Owner:  macports-tickets@…                   
     Type:  enhancement     |      Status:  new                                  
 Priority:  Normal          |   Milestone:                                       
Component:  ports           |     Version:  1.9.2                                
 Keywords:  djvu            |        Port:  scantailor                           
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 - Delete app if app exists from previous build
 - Add frameworks to make app self-contained

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Ticket URL: <https://trac.macports.org/ticket/28233>
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