ROS in Arch linux

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I'm trying to install ROS in Arch - and I was able to get https://aur4.archlinux.org/packages/r... installed.

After that I used the following in my bashrc and run rosenv before running ros commands: rosenv2 () { source /opt/ros/indigo/setup.bash export PYTHONPATH=/opt/ros/indigo/lib/python2.7/site-packages:$PYTHONPATH

  export ROS_PACKAGE_PATH=/opt/OGRE-1.8/lib/pkgconfig:/opt/ros/indigo/lib/pkgconfig:$ROS_PACKAGE_PATH

  export LD_LIBRARY_PATH=/opt/OGRE-1.8/lib:$LD_LIBRARY_PATH
  export CMAKE_MODULE_PATH=/opt/OGRE-1.8/lib/OGRE:$CMAKE_MODULE_PATH

  # Useful aliases
  alias catkin_make="catkin_make -DPYTHON_EXECUTABLE=/usr/bin/python2 -DPYTHON_INCLUDE_DIR=/usr/include/python2.7 -DPYTHON_LIBRARY=/usr/lib/libpython2.7.so"

  # If you use Gazebo:
  #source /usr/share/gazebo/setup.sh
}

When I do catkin_make in one of my workspaces - I get the following error:

CMake Error at /usr/lib64/cmake/gazebo/gazebo-config.cmake:46 (find_package):
  By not providing "FindOGRE.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "OGRE", but
  CMake did not find one.

  Could not find a package configuration file provided by "OGRE" with any of
  the following names:

    OGREConfig.cmake
    ogre-config.cmake

  Add the installation prefix of "OGRE" to CMAKE_PREFIX_PATH or set
  "OGRE_DIR" to a directory containing one of the above files.  If "OGRE"
  provides a separate development package or SDK, be sure it has been
  installed.
Call Stack (most recent call first):
  gazebo_ros_pkgs/gazebo_ros/CMakeLists.txt:26 (find_package)


-- Configuring incomplete, errors occurred!

I've installed https://aur4.archlinux.org/packages/o... also (as suggested on the wiki page in ROS+Arch)

Any help on how to fix this ?