[MacPorts] #53864: can't set "compiler.blacklist": couldn't determine build number of compiler "llvm-gcc-4.2"

[MacPorts]

#53864: can't set "compiler.blacklist": couldn't determine build number of compiler
"llvm-gcc-4.2"
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  Reporter:  MooersLab  |      Owner:
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:             |
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Comment (by ryandesign):

 Determining the build number of llvm-gcc-4.2 should only be relevant with
 versions of Xcode that include that compiler. You're on Yosemite, and none
 of the versions of Xcode that are compatible with Yosemite include that
 compiler, so this situation shouldn't arise.

 Please verify that the file /usr/bin/llvm-gcc-4.2 and the directory
 /Developer do ''not'' exist on your sytem.

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Ticket URL: <https://trac.macports.org/ticket/53864#comment:1>
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