Fix the CMake infinite loop bug when using CMake 2.8 on OS X with the Unix makefile generator.
Fix the CMake infinite loop bug when using CMake 2.8 on OS X with the Unix makefile generator.

RealityFactory/ogre,RealityFactory/ogre,RealityFactory/ogre,paroj/ogre,paroj/ogre,OGRECave/ogre,OGRECave/ogre,OGRECave/ogre,paroj/ogre,RealityFactory/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,RealityFactory/ogre