[MacPorts] #50845: libunwind: fails to find 'bits/c++config.h' on 10.5/PPC

[MacPorts]

#50845: libunwind: fails to find 'bits/c++config.h' on 10.5/PPC
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  Reporter:  mojca      |      Owner:  jeremyhu
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:  fixed      |   Keywords:  leopard
      Port:  libunwind  |
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Comment (by kencu):

 It's still fairly mind-bending, isn't it? You seemed to be able to build
 the libraries universally with both ppc and intel code using clang-3.7.
 I'm just trying to see if I can recreate that process now on an Intel
 Leopard machine I have here. With clang-3.4 on Leopard PPC or Leopard
 Intel I had the 'no universal' issue above...

 I wonder if it might be possible to build clang-3.7 with a PPC slice, for
 Leopard, on Intel. If so, given how hard this is to build and how long it
 takes to get set up, perhaps I might make that and the four libraries
 available somewhere so people could bootstrap that far.

 That would still leave us with the exception bugs, but it would be closer
 to something useful...maybe...

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Ticket URL: <https://trac.macports.org/ticket/50845#comment:12>
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