[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:  devans@…
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  leopard
      Port:  gtk3        |
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Comment (by jeremyhu@…):

 You're not going to get very far if you expect clang-3.4 to work for ppc.
 I think it wasn't until around 3.6 that it became semi-usable.  See my
 note in https://trac.macports.org/wiki/LibcxxOnOlderSystems#Leopardppc

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Ticket URL: <https://trac.macports.org/ticket/52468#comment:9>
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