[MacPorts] #15507: ruby: enable parallel build

[MacPorts]

#15507: ruby: enable parallel build
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  Reporter:  ryandesign at macports.org  |       Owner:  pguyot at kallisys.net
      Type:  enhancement              |      Status:  new                
  Priority:  Normal                   |   Milestone:  Port Enhancements  
 Component:  ports                    |     Version:  1.7.0              
Resolution:                           |    Keywords:                     
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Changes (by ryandesign at macports.org):

  * version:  1.6.0 => 1.7.0

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Ticket URL: <http://trac.macports.org/ticket/15507#comment:1>
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