Hello
FYI
rviz was not loading for me due to missing libraries
It appears they where built but did not install
I merely copied the files to the ogre/lib directory to get it working
cp build/ogre_src_v1-7-1/build/lib/RenderSystem_GL.so ogre/lib/
cp build/ogre_src_v1-7-1/build/lib/Plugin_* ogre/lib/
--
Chris