> I installed the nvidia cg package. And then I added the following entry > to the rosdep.yaml file in visualization_common.
>
>
>
This is blank, what's the entry? In any case, I don't think it should
actually be a problem of rosdep fails to find/install cg.
> The make process for ogre_tools still fails for me like before (undefined
> symbol "_main").
>
I think the wrong-architecture errors you're getting are probably the root
of your problems. It seems like your build environment may not be set up
correctly.
What do:
file /opt/local/lib/libboost_thread-mt.dylib