imu_drivers compilation error [closed]

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I've been trying to compile the imu_drivers package on an ARM device. I'm running into the following errors.

[rosbuild] Building package microstrain_3dmgx2_imu [rosbuild] Cached build flags older than manifests; calling rospack to get flags Failed to invoke /root/ros_core_ws/install/bin/rospack cflags-only-I;--deps-only microstrain_3dmgx2_imu Package tf was not found in the pkg-config search path. Perhaps you should add the directory containing `tf.pc' to the PKG_CONFIG_PATH environment variable
No package 'tf' found Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/rosdep2/rospack.py", line 45, in call_pkg_config value = subprocess.check_output(['pkg-config', option, pkg_name]) File "/usr/lib/python2.7/subprocess.py", line 544, in check_output raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command '['pkg-config', '--cflags-only-I', 'tf']' returned non-zero exit status 1 [rospack] Error: could not call python function 'rosdep2.rospack.call_pkg_config'

CMake Error at /root/ros_core_ws/install/share/ros/core/rosbuild/public.cmake:129 (message):

Failed to invoke rospack to get compile flags for package
'microstrain_3dmgx2_imu'.  Look above for errors from rospack itself.
Aborting.  Please fix the broken dependency!
 Call Stack (most recent call first):
/root/ros_core_ws/install/share/ros/core/rosbuild/public.cmake:227

(rosbuild_invoke_rospack) CMakeLists.txt:6 (rosbuild_init)

 -- Configuring incomplete, errors occurred!

It appears that tf is not being found correctly. I'm compiling on an Gumstix Overo running Linaro 12.08 and ROS Groovy.