[xml] Missing type converters - libxml-2.5.3

[z33k <z33k666 icqmail com>]

I am trying to build libxml2-2.5.3 (on Slackware) and I keep getting the error below.
Can someone point me in the right direction to resolve  this issue?  Am I missing a
library somewhere?  My goal is to get DOM XLM support in PHP 4.3.0.

...
cd . && /usr/bin/python generator.py
Found 1132 functions in libxml2-api.xml
Found 45 functions in libxml2-python-api.xml
Generated 700 wrapper functions, 293 failed, 184 skipped

Missing type converters: 
xmlGenericErrorFunc *:1  xlinkType:1  const htmlElemDesc *:1  xmlNotationPtr:1 
xmlElementContentPtr:4  xmlTextReaderErrorFunc *:1  void *:44  xmlElementContent *:1
 xmlAttributeType:1  xmlCatalogAllow:2  xmlElementContentType:1  xmlXPathFunction:4 
xmlIDTablePtr:1  xmlRegisterNodeFunc:1  xmlEntitiesTablePtr:3  xmlParserInputPtr:17 
xmlNodeSetPtr:32  xmlCharEncoding:12  xmlParserNodeInfoSeqPtr:3  char **:5 
htmlStatus:1  xmlOutputWriteCallback:1  xmlInputReadCallback:1  xmlAutomataPtr:15 
xmlCharEncodingInputFunc:1  xmlNodePtr *:1  xmlCharEncodingHandlerPtr:7  htmlElemDesc
*:3  xmlRegExecCtxtPtr:2  xmlShellReadlineFunc:1  xmlXPathFuncLookupFunc:1 
xmlCatalogPrefer:1  xmlDeregisterNodeFunc:1  xmlC14NIsVisibleCallback:1 
xmlValidCtxtPtr:23  xlinkHandlerPtr:2  const xmlParserNodeInfo *:1 
xmlRelaxNGValidityErrorFunc:2  xmlElementContentPtr *:1  xmlParserNodeInfoPtr:1 
xmlRefTablePtr:1  xlinkNodeDetectFunc:2  xmlShellCtxtPtr:10 
xmlXPathVariableLookupFunc:1  xmlNotationTablePtr:2  xmlNsPtr *:1  xmlEnumerationPtr
*:2  xmlBufferAllocationScheme:2  size_t:1  xmlAttributeTablePtr:2 
xmlEntityReferenceFunc:1  xmlExternalEntityLoader:2  xmlOutputMatchCallback:1 
xmlTextReaderErrorFunc:1  xmlXPathCompExprPtr:4  xmlChar **:14  const htmlEntityDesc
*:2  xmlElementTablePtr:2  xmlEnumerationPtr:5  xmlCharEncodingHandler *:4 
xmlLocationSetPtr:6  xmlInputMatchCallback:1  xmlRegExecCallbacks:1 
xmlXPathObjectPtr:22 
Traceback (innermost last):
  File "generator.py", line 1134, in ?
    buildWrappers()
  File "generator.py", line 1092, in buildWrappers
    if pref[0] == ref[0]:
NameError: ref
make[2]: *** [gen_prog] Error 1
make[2]: Leaving directory `/data01/inst/libxml2-2.5.3/python'
make[1]: *** [install-recursive] Error 1
make[1]: Leaving directory `/data01/inst/libxml2-2.5.3/python'
make: *** [install-recursive] Error 1
DEVEL-SYSTEM:/inst/libxml2-2.5.3#

Thanks,
Zeke

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