    # File utils.rb, line 112
            def testForRequiredLibrary( library, nicename=nil, raaUrl=nil, downloadUrl=nil, fatal=true )
                    nicename ||= library
                    unless testForLibrary( library, nicename )
                            msgs = [ "You are missing the required #{nicename} library.\n" ]
                            msgs << "RAA: #{raaUrl}\n" if raaUrl
                            msgs << "Download: #{downloadUrl}\n" if downloadUrl
                            if fatal
                                    abort msgs.join('')
                            else
                                    errorMessage msgs.join('')
                            end
                    end
                    return true
            end