Fix Boost detection on OS X when gcc command-line version is not 4.0 We use 4.0 currently so that we can maintain OS X 10.4 compatibility
Fix Boost detection on OS X when gcc command-line version is not 4.0
We use 4.0 currently so that we can maintain OS X 10.4 compatibility

vbudovski/ogre,vbudovski/ogre,vbudovski/ogre,vbudovski/ogre,vbudovski/ogre