[MacPorts] #39265: graphviz +ruby: mtree violation by /System (was: Very strange WARNINGS upgrading graphviz port)

[MacPorts]

#39265: graphviz +ruby: mtree violation by /System
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  Reporter:  angelo.graziosi@…  |      Owner:  ryandesign@…
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.1.3
Resolution:                     |   Keywords:
      Port:  graphviz           |
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Changes (by ryandesign@…):

 * owner:  macports-tickets@… => ryandesign@…
 * cc: ryandesign@… (removed)
 * keywords:  ports-filesystems =>


Comment:

 Can you show me what got installed in /System?
 {{{
 port contents graphviz | grep /System
 }}}
 I'll bet it has to do with the +ruby variant you selected. There are many
 other open tickets about graphviz's language bindings not working right;
 it's an area of the port I've long neglected.

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Ticket URL: <https://trac.macports.org/ticket/39265#comment:1>
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