[MacPorts] #20103: Use a common default variant for a recent gcc port in scientific packages

[MacPorts]

#20103: Use a common default variant for a recent gcc port in scientific packages
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 Reporter:  alakazam@…             |       Owner:  macports-tickets@…                   
     Type:  update                 |      Status:  new                                  
 Priority:  Normal                 |   Milestone:                                       
Component:  ports                  |     Version:  1.7.1                                
 Keywords:                         |        Port:  octave arpack                        
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Comment(by jameskyle@…):

 I've been updating the atlas port. It currently uses gcc43 as a default.
 I'll change over my other ports as well.

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Ticket URL: <http://trac.macports.org/ticket/20103#comment:10>
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