[MacPorts] #20408: Move Xcode version checking code to new PortGroup

[MacPorts]

#20408: Move Xcode version checking code to new PortGroup
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  Reporter:  ryandesign@…             |       Owner:  ryandesign@…           
      Type:  enhancement              |      Status:  closed                 
  Priority:  Normal                   |   Milestone:                         
 Component:  ports                    |     Version:  1.7.1                  
Resolution:  fixed                    |    Keywords:                         
      Port:                           |  
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Changes (by jmr@…):

  * status:  assigned => closed
  * resolution:  => fixed


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Ticket URL: <https://trac.macports.org/ticket/20408#comment:3>
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