#
    # this figures out where to install the Python modules
    #
    execute_process(
        COMMAND python -c "from distutils.sysconfig import get_python_lib; print get_python_lib(0,0,\"/usr/local\")"
        OUTPUT_VARIABLE Python_site_packages
        OUTPUT_STRIP_TRAILING_WHITESPACE
    ) # on Ubuntu 11.10 this outputs: /usr/local/lib/python2.7/dist-packages