Checking if your kit is complete... Looks good Note (probably harmless): No library found for '-lorcon' Writing Makefile for Net::Lorcon Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp lib/Net/Lorcon.pm blib\lib\Net\Lorcon.pm D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib D:\cpanrun\build\5-6-1\lib\ExtUtils/xsubpp -typemap D:\cpanrun\build\5-6-1\lib\ExtUtils\typemap -typemap typemap Lorcon.xs > Lorcon.xsc && D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e mv Lorcon.xsc Lorcon.c Error: 'const char *' not in typemap in Lorcon.xs, line 48 Please specify prototyping behavior for Lorcon.xs (see perlxs manual) NMAKE : fatal error U1077: 'D:\cpanrun\build\5-6-1\bin\perl.exe' : return code '0x1' Stop.