On Dec 13, 2011, at 21:58, Mark Brethen wrote: > :info:configure llvm-gcc-4.2: error trying to exec '/usr/bin/../llvm-gcc-4.2/bin/powerpc-apple-darwin11-llvm-gcc-4.2': execvp: No such file or directory ....there is no such thing as darwin11 (or darwin10) for powerpc. How did it come to the conclusion there would be such a file?