On Feb 11, 2013, at 9:41 PM, "Frank J. R. Hanstick" <trog24 at comcast.net> wrote: > I have both 4.0 and 4.2 in /usr/bin. The gcc, g++, and c++ are aliases pointing to either gcc-4.0 or gcc-4.2. Mine happen to be set up to use gcc-4.2. Is that how Xcode installed them, or did you symlink them yourself? vq