[MacPorts] #64639: How to build libcxx on 10.5.8?

[MacPorts]

#64639: How to build libcxx on 10.5.8?
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  Reporter:  barracuda156  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:                |   Keywords:  powerpc, leopard
      Port:  libcxx        |
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Comment (by kencu):

 you cannot (easily) build libcxx with the current Portfile on 10.5 for PPC
 using gcc. I have done it, last time in 2018. It's a big project.

 Anyway, mrustc uses LLVM to build it's code, but LLVM does not work on PPC
 Darwin, so lost cause until someone like Iain fixes llvm to work on PPC
 darwin (five years and counting :> ).

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Ticket URL: <https://trac.macports.org/ticket/64639#comment:1>
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