I have managed to get ROS's ogre package to compile on OS X, which lets ogre_tools compile and gets rviz a little closer to compiling. I used the patch on this orgre forum post and modified a few lines in it: http://www.ogre3d.org/forums/viewtopic.php?f=5&t=59370 I attached an ogre pkg patch that adds this modified patch for ogre and adds it to the tarball_patches in the make file for the ROS package. I have _not_ tested this patch on linux, or actually using rviz, so I don't know if it has any adverse effects. I will follow up post about the linking error I am getting with rviz soon. Thanks, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ William Woodall Graduate Software Engineering Auburn University w@auburn.edu wjwwood@gmail.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~