[MacPorts] #26976: R @2.11.1 - add gcc45 variant

[MacPorts]

#26976: R @2.11.1 - add gcc45 variant
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 Reporter:  jmrosenstock@…                      |       Owner:  kjell.konis@…      
     Type:  enhancement                         |      Status:  new                
 Priority:  Normal                              |   Milestone:                     
Component:  ports                               |     Version:                     
 Keywords:  haspatch                            |        Port:  R                  
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Comment(by kjell.konis@…):

 I just updated the R port in 27001 and added a variant to build with
 gcc45. I left the default to use gcc44 - is there a reason to change to
 preferring gcc45?

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Ticket URL: <https://trac.macports.org/ticket/26976#comment:2>
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