XML::Parser requires expat library to be installed on the machine. You can get expat from expat.sourcefourge.net and then compile it on this host machine (I have no idea if this needs root access, but I do believe you can install it somewhere in your home directory. You will need to tell the configure script where you want it to be installed). After this you should be able to complie XML::Parser with no difficulty (you will need to tell where you have put expat though)

Hope this helps