[MacPorts] #52468: gtk3 3.22.0_0 build fails on 10.5 ppc

[MacPorts]

#52468: gtk3 3.22.0_0 build fails on 10.5 ppc
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  Reporter:  dgonyier@…  |      Owner:  dbevans
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  leopard powerpc
      Port:  gtk3        |
-------------------------+-----------------------------

Comment (by ballapete):

 No, that's wrong: The GCC 6.2.0 compiled GNU Emacs 24.5 with GTK3 toolkit
 comes up and runs! (It was just buried below other windows.)

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Ticket URL: <https://trac.macports.org/ticket/52468#comment:55>
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