[MacPorts] #20666: py26-matplotlib 0.99.0 - Set CocoaAgg backend as variant

[MacPorts]

#20666: py26-matplotlib 0.99.0 - Set CocoaAgg backend as variant
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 Reporter:  mdippery@…          |       Owner:  macports-tickets@…                   
     Type:  enhancement         |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  1.7.1                                
 Keywords:                      |        Port:  py26-matplotlib                      
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Comment(by ram@…):

 Only if you want the CocoaAgg backend. But my point is that if you have
 py26-cocoa, and friends, installed the CocoaAgg backend will be built
 regardless of whether the cocoa variant is specified. Therefore if you
 then remove the cocoa bindings port will not complain as they are not
 marked as dependencies for matplotlib but then the CocoaAgg backend will
 not longer function as the bindings will have been removed. If you want
 the CocoaAgg backend to be a variant then it needs to be disabled like the
 other interactive backends are.

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Ticket URL: <http://trac.macports.org/ticket/20666#comment:3>
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