XML::Simple Install Problem

I don't know why it's always so hard to CPAN modules in OSX, but I've 
just attempted to install the XML::Simple module after expat and 
XML::Parser (which worked fine), and I'm getting this bizarre error:

Can someone shine some light on this?

dyld: perl Undefined symbols:
_Perl_safefree
_Perl_safemalloc
_Perl_saferealloc
_Perl_sv_2pv
_Perl_sv_catpvn
_Perl_sv_catsv
_Perl_sv_setsv
_XML_DefaultCurrent
_XML_ErrorString
_XML_ExternalEntityParserCreate
_XML_GetBase
_XML_GetBuffer
_XML_GetCurrentByteCount
_XML_GetCurrentByteIndex
_XML_GetCurrentColumnNumber
_XML_GetCurrentLineNumber
_XML_GetErrorCode
_XML_GetInputContext
_XML_GetSpecifiedAttributeCount
_XML_Parse
_XML_ParseBuffer
_XML_ParserCreate_MM
_XML_ParserFree
_XML_SetAttlistDeclHandler
_XML_SetBase
_XML_SetCdataSectionHandler
_XML_SetCharacterDataHandler
_XML_SetCommentHandler
_XML_SetDefaultHandler
_XML_SetDefaultHandlerExpand
_XML_SetElementDeclHandler
_XML_SetElementHandler
_XML_SetEndCdataSectionHandler
_XML_SetEndDoctypeDeclHandler
_XML_SetEntityDeclHandler
_XML_SetExternalEntityRefHandler
_XML_SetNamespaceDeclHandler
_XML_SetNotationDeclHandler
_XML_SetParamEntityParsing
_XML_SetProcessingInstructionHandler
_XML_SetStartCdataSectionHandler
_XML_SetStartDoctypeDeclHanTrace/BPT trap

• XML::Simple Install Problem by TWIN MONOLITH