[MacPorts] #16336: Allow multiple ports to satisfy a single dependency

[MacPorts]

#16336: Allow multiple ports to satisfy a single dependency
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  Reporter:  rhwood at macports.org  |       Owner:  macports-tickets at lists.macosforge.org
      Type:  enhancement          |      Status:  new                                  
  Priority:  Normal               |   Milestone:  MacPorts base enhancements           
 Component:  base                 |     Version:  1.6.0                                
Resolution:                       |    Keywords:                                       
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Comment (by blb at macports.org):

 Concerning one way vs. the other, a provides-based method would be a
 better way to go long-term, but I believe this requires quite a few
 changes throughout base.  On the other hand, using | for dependencies has
 a patch here, now.

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Ticket URL: <http://trac.macports.org/ticket/16336#comment:12>
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