[MacPorts] #13913: Include Joyent's DTrace extensions for Ruby 1.8.6

[MacPorts]

#13913: Include Joyent's DTrace extensions for Ruby 1.8.6
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  Reporter:  douglas at practicalguile.com  |       Owner:  macports-tickets at lists.macosforge.org
      Type:  enhancement                 |      Status:  new                                  
  Priority:  Normal                      |   Milestone:  Port Enhancements                    
 Component:  ports                       |     Version:  1.6.0                                
Resolution:                              |    Keywords:  ruby dtrace                          
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Comment (by florian.ebeling at nugg.ad):

 For this ticket exists a partial duplicate in #14474, which also includes
 the Railsbench GC patch. I'd be really happy to see these things as
 options from maacports. I dont have commit bit myself, but I have prepared
 a few test from an example blog article, to get potential testers started.
 See attachment.

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Ticket URL: <http://trac.macosforge.org/projects/macports/ticket/13913#comment:4>
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