function [status, msg] = mdl_generate_compatibility_msg(blockH) 
% Copyright 2006-2012 The MathWorks, Inc.
  
    status = false;
    msg = '';
    
    if blockH==-1 || ~ishandle(blockH)
        return;
    end

    blockType = get_param(blockH,'BlockType');
    
    switch blockType
        case 'SubSystem'
            return;
        otherwise
            return;
    end
end