[MacPorts] #45368: fltk: error: friend declaration specifying a default argument must be a definition (was: fltk: build failure)

[MacPorts]

#45368: fltk: error: friend declaration specifying a default argument must be a
definition
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  Reporter:  tubajensen@…  |      Owner:  macports-tickets@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.1
Resolution:                |   Keywords:
      Port:  fltk          |
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Ticket URL: <https://trac.macports.org/ticket/45368#comment:4>
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