[MacPorts] #29566: FScript: fetch zipped sources, ib_plugin variant rewrite, xcode 4 check

[MacPorts]

#29566: FScript: fetch zipped sources, ib_plugin variant rewrite, xcode 4 check
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 Reporter:  ciserlohn@…               |       Owner:  macports-tickets@…                   
     Type:  enhancement               |      Status:  new                                  
 Priority:  Normal                    |   Milestone:                                       
Component:  ports                     |     Version:  1.9.2                                
 Keywords:  haspatch maintainer       |        Port:  FScript                              
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Comment(by ryandesign@…):

 It would be nice if +ib_plugin were not a default variant when it doesn't
 work (i.e. when Xcode >= 4 is installed).

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Ticket URL: <https://trac.macports.org/ticket/29566#comment:1>
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