Change `clang++` to `g++` because OS X already links them. However, if the developer prefers to use `g++` on Darwin (i.e., explicitly linking `g++` to gcc), he shouldn't be forced to use clang..
Change `clang++` to `g++` because OS X already links them.
However, if the developer prefers to use `g++` on Darwin (i.e.,
explicitly linking `g++` to gcc), he shouldn't be forced to use clang..

fscherwi/atom-script,rgbkrk/atom-script,idleberg/atom-script