[MacPorts] #48345: Building for 10.4u SDK on 10.6 uses gcc-4.0 even though building directly on 10.4 uses the newer apple-gcc-4.2

[MacPorts]

#48345: Building for 10.4u SDK on 10.6 uses gcc-4.0 even though building directly
on 10.4 uses the newer apple-gcc-4.2
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  Reporter:  ryandesign  |      Owner:  kencu
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  base        |    Version:  2.3.99
Resolution:              |   Keywords:
      Port:              |
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Comment (by kencu):

 Long live SnowLeopard! I use it all day, every day :> Don't know if I can
 actually fix this, though.

 On the rare times I build against the 10.4u SDK on SnowLeopard (TenFourFox
 for Intel comes to mind) I force the compiler I want rather than let
 MacPorts logic choose one for me.

 This ticket would seem destined for a "wontfix" in the end...

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Ticket URL: <https://trac.macports.org/ticket/48345#comment:4>
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