If I am not mistaken, the compiler, etc., installed as part of Xcode, will use llvm. But I can not find the llvm-config binary to create the correct flags to compile the command line for the llvm target. Where is such a thing on OS X?
I know that I can install the new llvm through MacPorts or Homebrew, but I do not want to duplicate what is already there; I just want to get the system configuration.
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