[MacPorts] #54129: llvm-4.0 build fails due to libtool error on SnowLeopard when built with clang-3.9, but succeeds when built with clang-3.7

[MacPorts]

#54129: llvm-4.0 build fails due to libtool error on SnowLeopard when built with
clang-3.9, but succeeds when built with clang-3.7
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  Reporter:  kencu     |      Owner:  jeremyhu
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  llvm-4.0  |
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Comment (by kencu):

 There are two places where the xcodeversion is checked. You need to change
 the second one from 3.2.6 to 4.3.

 I think you've changed the first one from 6.0.0 to 4.3.

 Or, if you get super stuck, and don't want to use my repo, just build
 llvm-4.0 with clang-3.7, which 10.6 can link with its stock tool chain.

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Ticket URL: <https://trac.macports.org/ticket/54129#comment:12>
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