ubuntu 12.04 and fuerte

I am getting these errors when I rosmake pcl

[rosmake-2] Starting >>> pcl [ make ]
[ rosmake ] All 12 linescl: 0.2 sec ] [ 1 Active 5/6 Complete ] {------------------------------------------------------------------------------- mkdir -p msg/build && cd msg/build && cmake ../.. && make && cd - [rosbuild] Building package pcl CMake Error at /opt/ros/fuerte/share/ros/core/rosbuild/public.cmake:386 (include): include could not find load file:

  /home/sai/fuerte_workspace/rospack/test/test2/roslang/cmake/roslang.cmake

Call Stack (most recent call first): CMakeLists.txt:6 (rosbuild_init)

-- Configuring incomplete, errors occurred! -------------------------------------------------------------------------------} [ rosmake ] Output from build of package pcl written to: