[MacPorts] #52600: swig-ruby needs to use current ruby23 port as dependency

[MacPorts]

#52600: swig-ruby needs to use current ruby23 port as dependency
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  Reporter:  uri@…        |      Owner:  michaelld@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  swig-ruby    |
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Comment (by michaelld@…):

 $prefix/bin/ruby is provide by ruby_select. I have both ruby and ruby23
 installed right now; they do not overlap in files. There is no common
 library or the like that I can find (port contents ruby).

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Ticket URL: <https://trac.macports.org/ticket/52600#comment:4>
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