Fuerte - kdl_conversions package missing

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I recently downloaded the latest arm_navigation (from https://kforge.ros.org/armnavigation/armnavigation) for my recent Fuerte install. However when I attempt to build the arm_kinematics_constraint_aware package, I get the following error.

arm_navigation/arm_kinematics_constraint_aware/src/kdl_arm_kinematics_plugin.cpp:35:37: fatal error: kdl_conversions/kdl_msg.h: No such file or directory

I double checked and there is indeed no kdl_conversions package in my ROS_PACKAGE_PATH (let alone in geometry, where I expected it to be).

So I downloaded the geometry package (from hg https://kforge.ros.org/geometry/geometry) and make the ROS_PACKAGE_PATH reference it instead. However, I can't build it because it uses catkin (I tried to go through the tutorials, but I couldn't get it to work). Is there any way to get a regular version of geometry that uses rosmake for Fuerte? Or some way to get arm_navigation working without kdl_conversions?

I also ran

sudo apt-get install ros-fuerte-arm-navigation --fix-missing

for the heck of it, but it didn't fix my problem.