def METHOD_NAME(self):
    """Additional subdirectories specific to ROOT to consider for $CPATH, $(LD_)LIBRARY_PATH, $PYTHONPATH"""
    guesses = super(EB_ROOT, self).METHOD_NAME()
    guesses['CPATH'].append('include/root')
    guesses['LD_LIBRARY_PATH'].append('lib/root')
    guesses['LIBRARY_PATH'].append('lib/root')
    guesses.setdefault('PYTHONPATH', []).extend(['lib', 'lib/root', 'lib/root/python'])
    return guesses