# 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