Regeneration of libxml2.syms:
1. Apply libxml2-VERSION-catalogless.patch
2. Run xsltproc tool (provided by libxslt):
   xsltproc -o libxml2.syms doc/syms.xsl doc/symbols.xml

--- /libxml2.syms
+++ /libxml2.syms
@@ -1,18 +1,18 @@
 #
 # Officially exported symbols, for which header
-# file definitions are installed in /usr/include/libxml2
+# file definitions are installed in /usr/include/libxml2-catalogless
 #
 # Automatically generated from symbols.xml and syms.xsl
 #
 # Versions here are *fixed* to match the libxml2 version
 # at which the symbol was introduced. This ensures that
 # a new client app requiring symbol foo() can't accidentally
-# run with old libxml2.so not providing foo() - the global
+# run with old libxml2-catalogless.so not providing foo() - the global
 # soname version info can't enforce this since we never
 # change the soname
 #
 
-LIBXML2_2.4.30 {
+LIBXML2_CATALOGLESS_2.4.30 {
     global:
 
 # debugXML
@@ -1256,7 +1256,7 @@
   xmlUTF8Strsub;
 } ;
 
-LIBXML2_2.5.0 {
+LIBXML2_CATALOGLESS_2.5.0 {
     global:
 
 # globals
@@ -1293,9 +1293,9 @@
   xmlValidatePopElement;
   xmlValidatePushCData;
   xmlValidatePushElement;
-} LIBXML2_2.4.30;
+} LIBXML2_CATALOGLESS_2.4.30;
 
-LIBXML2_2.5.2 {
+LIBXML2_CATALOGLESS_2.5.2 {
     global:
 
 # tree
@@ -1329,9 +1329,9 @@
 
 # relaxng
 # xmlRelaxNGValidateStream; removed in 2.5.5
-} LIBXML2_2.5.0;
+} LIBXML2_CATALOGLESS_2.5.0;
 
-LIBXML2_2.5.4 {
+LIBXML2_CATALOGLESS_2.5.4 {
     global:
 
 # uri
@@ -1345,23 +1345,23 @@
   xmlValidateNCName;
   xmlValidateNMToken;
   xmlValidateQName;
-} LIBXML2_2.5.2;
+} LIBXML2_CATALOGLESS_2.5.2;
 
-LIBXML2_2.5.5 {
+LIBXML2_CATALOGLESS_2.5.5 {
     global:
 
 # nanoftp
   xmlNanoFTPDele;
-} LIBXML2_2.5.4;
+} LIBXML2_CATALOGLESS_2.5.4;
 
-LIBXML2_2.5.6 {
+LIBXML2_CATALOGLESS_2.5.6 {
     global:
 
 # xpath
   xmlXPathOrderDocElems;
-} LIBXML2_2.5.5;
+} LIBXML2_CATALOGLESS_2.5.5;
 
-LIBXML2_2.5.7 {
+LIBXML2_CATALOGLESS_2.5.7 {
     global:
 
 # HTMLparser
@@ -1396,9 +1396,9 @@
   xmlTextReaderNext;
   xmlTextReaderRelaxNGSetSchema;
   xmlTextReaderRelaxNGValidate;
-} LIBXML2_2.5.6;
+} LIBXML2_CATALOGLESS_2.5.6;
 
-LIBXML2_2.5.8 {
+LIBXML2_CATALOGLESS_2.5.8 {
     global:
 
 # globals
@@ -1456,9 +1456,9 @@
   xmlThrDefSetGenericErrorFunc;
   xmlThrDefSubstituteEntitiesDefaultValue;
   xmlThrDefTreeIndentString;
-} LIBXML2_2.5.7;
+} LIBXML2_CATALOGLESS_2.5.7;
 
-LIBXML2_2.5.9 {
+LIBXML2_CATALOGLESS_2.5.9 {
     global:
 
 # xmlmemory
@@ -1477,9 +1477,9 @@
 
 # xinclude
   xmlXIncludeProcessTree;
-} LIBXML2_2.5.8;
+} LIBXML2_CATALOGLESS_2.5.8;
 
-LIBXML2_2.6.0 {
+LIBXML2_CATALOGLESS_2.6.0 {
     global:
 
 # SAX2
@@ -1723,16 +1723,16 @@
 # xmlSAX2GlobalNamespace; removed in 2.6.10
 # xmlSAX2NamespaceDecl; removed in 2.6.10
 # xmlSAX2SetNamespace; removed in 2.6.10
-} LIBXML2_2.5.9;
+} LIBXML2_CATALOGLESS_2.5.9;
 
-LIBXML2_2.6.1 {
+LIBXML2_CATALOGLESS_2.6.1 {
     global:
 
 # parser
   xmlCtxtResetPush;
-} LIBXML2_2.6.0;
+} LIBXML2_CATALOGLESS_2.6.0;
 
-LIBXML2_2.6.2 {
+LIBXML2_CATALOGLESS_2.6.2 {
     global:
 
 # parserInternals
@@ -1748,9 +1748,9 @@
   xmlXIncludeFreeContext;
   xmlXIncludeNewContext;
   xmlXIncludeProcessNode;
-} LIBXML2_2.6.1;
+} LIBXML2_CATALOGLESS_2.6.1;
 
-LIBXML2_2.6.3 {
+LIBXML2_CATALOGLESS_2.6.3 {
     global:
 
 # pattern
@@ -1805,9 +1805,9 @@
   xmlXIncludeProcessFlags;
   xmlXIncludeProcessTreeFlags;
   xmlXIncludeSetFlags;
-} LIBXML2_2.6.2;
+} LIBXML2_CATALOGLESS_2.6.2;
 
-LIBXML2_2.6.5 {
+LIBXML2_CATALOGLESS_2.6.5 {
     global:
 
 # xmlmemory
@@ -1828,9 +1828,9 @@
 
 # xpath
   xmlXPathCtxtCompile;
-} LIBXML2_2.6.3;
+} LIBXML2_CATALOGLESS_2.6.3;
 
-LIBXML2_2.6.6 {
+LIBXML2_CATALOGLESS_2.6.6 {
     global:
 
 # tree
@@ -1841,17 +1841,17 @@
 
 # xmlreader
   xmlTextReaderSetStructuredErrorHandler;
-} LIBXML2_2.6.5;
+} LIBXML2_CATALOGLESS_2.6.5;
 
-LIBXML2_2.6.7 {
+LIBXML2_CATALOGLESS_2.6.7 {
     global:
 
 # xmlwriter
   xmlTextWriterEndComment;
   xmlTextWriterStartComment;
-} LIBXML2_2.6.6;
+} LIBXML2_CATALOGLESS_2.6.6;
 
-LIBXML2_2.6.8 {
+LIBXML2_CATALOGLESS_2.6.8 {
     global:
 
 # xmlsave
@@ -1868,9 +1868,9 @@
   xmlTextWriterEndDTDElement;
   xmlTextWriterEndDTDEntity;
   xmlTextWriterWriteDTDExternalEntityContents;
-} LIBXML2_2.6.7;
+} LIBXML2_CATALOGLESS_2.6.7;
 
-LIBXML2_2.6.10 {
+LIBXML2_CATALOGLESS_2.6.10 {
     global:
 
 # xmlIO
@@ -1880,9 +1880,9 @@
 # xmlsave
   xmlSaveSetAttrEscape;
   xmlSaveSetEscape;
-} LIBXML2_2.6.8;
+} LIBXML2_CATALOGLESS_2.6.8;
 
-LIBXML2_2.6.11 {
+LIBXML2_CATALOGLESS_2.6.11 {
     global:
 
 # uri
@@ -1905,9 +1905,9 @@
   xmlSchemaGetBuiltInType;
   xmlSchemaIsBuiltInTypeFacet;
   xmlSchemaValidateListSimpleTypeFacet;
-} LIBXML2_2.6.10;
+} LIBXML2_CATALOGLESS_2.6.10;
 
-LIBXML2_2.6.12 {
+LIBXML2_CATALOGLESS_2.6.12 {
     global:
 
 # parser
@@ -1921,9 +1921,9 @@
 # xmlschemas
   xmlSchemaGetParserErrors;
   xmlSchemaGetValidErrors;
-} LIBXML2_2.6.11;
+} LIBXML2_CATALOGLESS_2.6.11;
 
-LIBXML2_2.6.14 {
+LIBXML2_CATALOGLESS_2.6.14 {
     global:
 
 # xmlautomata
@@ -1937,9 +1937,9 @@
   xmlSchemaSetValidOptions;
   xmlSchemaValidateOneElement;
   xmlSchemaValidCtxtGetOptions;
-} LIBXML2_2.6.12;
+} LIBXML2_CATALOGLESS_2.6.12;
 
-LIBXML2_2.6.15 {
+LIBXML2_CATALOGLESS_2.6.15 {
     global:
 
 # debugXML
@@ -1954,9 +1954,9 @@
   xmlTextReaderConstXmlVersion;
   xmlTextReaderIsNamespaceDecl;
   xmlTextReaderStandalone;
-} LIBXML2_2.6.14;
+} LIBXML2_CATALOGLESS_2.6.14;
 
-LIBXML2_2.6.16 {
+LIBXML2_CATALOGLESS_2.6.16 {
     global:
 
 # xmlmemory
@@ -1964,9 +1964,9 @@
 
 # relaxng
   xmlRelaxNGInitTypes;
-} LIBXML2_2.6.15;
+} LIBXML2_CATALOGLESS_2.6.15;
 
-LIBXML2_2.6.17 {
+LIBXML2_CATALOGLESS_2.6.17 {
     global:
 
 # dict
@@ -1988,9 +1988,9 @@
 # xmlreader
   xmlTextReaderGetParserColumnNumber;
   xmlTextReaderGetParserLineNumber;
-} LIBXML2_2.6.16;
+} LIBXML2_CATALOGLESS_2.6.16;
 
-LIBXML2_2.6.18 {
+LIBXML2_CATALOGLESS_2.6.18 {
     global:
 
 # valid
@@ -2023,18 +2023,18 @@
 
 # xmlreader
   xmlTextReaderByteConsumed;
-} LIBXML2_2.6.17;
+} LIBXML2_CATALOGLESS_2.6.17;
 
-LIBXML2_2.6.19 {
+LIBXML2_CATALOGLESS_2.6.19 {
     global:
 
 # xmlschemastypes
   xmlSchemaGetValType;
   xmlSchemaValidateFacetWhtsp;
   xmlSchemaValidateLengthFacetWhtsp;
-} LIBXML2_2.6.18;
+} LIBXML2_CATALOGLESS_2.6.18;
 
-LIBXML2_2.6.20 {
+LIBXML2_CATALOGLESS_2.6.20 {
     global:
 
 # tree
@@ -2061,9 +2061,9 @@
 # xmlreader
   xmlTextReaderSchemaValidate;
   xmlTextReaderSetSchema;
-} LIBXML2_2.6.19;
+} LIBXML2_CATALOGLESS_2.6.19;
 
-LIBXML2_2.6.21 {
+LIBXML2_CATALOGLESS_2.6.21 {
     global:
 
 # xmlautomata
@@ -2117,9 +2117,9 @@
   xmlSchematronNewValidCtxt;
   xmlSchematronParse;
   xmlSchematronValidateDoc;
-} LIBXML2_2.6.20;
+} LIBXML2_CATALOGLESS_2.6.20;
 
-LIBXML2_2.6.23 {
+LIBXML2_CATALOGLESS_2.6.23 {
     global:
 
 # HTMLtree
@@ -2141,9 +2141,9 @@
 
 # xmlreader
   xmlTextReaderSchemaValidateCtxt;
-} LIBXML2_2.6.21;
+} LIBXML2_CATALOGLESS_2.6.21;
 
-LIBXML2_2.6.24 {
+LIBXML2_CATALOGLESS_2.6.24 {
     global:
 
 # tree
@@ -2151,16 +2151,16 @@
 
 # relaxng
   xmlRelaxNGSetParserStructuredErrors;
-} LIBXML2_2.6.23;
+} LIBXML2_CATALOGLESS_2.6.23;
 
-LIBXML2_2.6.25 {
+LIBXML2_CATALOGLESS_2.6.25 {
     global:
 
 # xpath
   xmlXPathContextSetCache;
-} LIBXML2_2.6.24;
+} LIBXML2_CATALOGLESS_2.6.24;
 
-LIBXML2_2.6.27 {
+LIBXML2_CATALOGLESS_2.6.27 {
     global:
 
 # HTMLparser
@@ -2174,30 +2174,30 @@
 
 # xpath
   xmlXPathCompiledEvalToBoolean;
-} LIBXML2_2.6.25;
+} LIBXML2_CATALOGLESS_2.6.25;
 
-LIBXML2_2.6.28 {
+LIBXML2_CATALOGLESS_2.6.28 {
     global:
 
 # xmlreader
   xmlTextReaderSetup;
-} LIBXML2_2.6.27;
+} LIBXML2_CATALOGLESS_2.6.27;
 
-LIBXML2_2.6.29 {
+LIBXML2_CATALOGLESS_2.6.29 {
     global:
 
 # threads
   xmlDllMain;
-} LIBXML2_2.6.28;
+} LIBXML2_CATALOGLESS_2.6.28;
 
-LIBXML2_2.6.32 {
+LIBXML2_CATALOGLESS_2.6.32 {
     global:
 
 # schematron
   xmlSchematronSetValidStructuredErrors;
-} LIBXML2_2.6.29;
+} LIBXML2_CATALOGLESS_2.6.29;
 
-LIBXML2_2.7.0 {
+LIBXML2_CATALOGLESS_2.7.0 {
     global:
 
 # xmlmemory
@@ -2208,9 +2208,9 @@
 
 # xmlschemas
   xmlSchemaValidCtxtGetParserCtxt;
-} LIBXML2_2.6.32;
+} LIBXML2_CATALOGLESS_2.6.32;
 
-LIBXML2_2.7.3 {
+LIBXML2_CATALOGLESS_2.7.3 {
     global:
 
 # tree
@@ -2219,9 +2219,9 @@
   xmlLastElementChild;
   xmlNextElementSibling;
   xmlPreviousElementSibling;
-} LIBXML2_2.7.0;
+} LIBXML2_CATALOGLESS_2.7.0;
 
-LIBXML2_2.7.4 {
+LIBXML2_CATALOGLESS_2.7.4 {
     global:
 
 # globals
@@ -2229,9 +2229,9 @@
 
 # xinclude
   xmlXIncludeProcessTreeFlagsData;
-} LIBXML2_2.7.3;
+} LIBXML2_CATALOGLESS_2.7.3;
 
-LIBXML2_2.8.0 {
+LIBXML2_CATALOGLESS_2.8.0 {
     global:
 
 # xmlreader
@@ -2242,9 +2242,9 @@
 
 # dict
   xmlInitializeDict;
-} LIBXML2_2.7.4;
+} LIBXML2_CATALOGLESS_2.7.4;
 
-LIBXML2_2.9.0 {
+LIBXML2_CATALOGLESS_2.9.0 {
     global:
 
 # tree
@@ -2269,13 +2269,24 @@
 
 # xmlwriter
   xmlTextWriterSetQuoteChar;
-} LIBXML2_2.8.0;
+} LIBXML2_CATALOGLESS_2.8.0;
 
-LIBXML2_2.9.1 {
+LIBXML2_CATALOGLESS_2.9.1 {
     global:
 
 # xpath
   xmlXPathNodeEval;
   xmlXPathSetContextNode;
-} LIBXML2_2.9.0;
+} LIBXML2_CATALOGLESS_2.9.0;
 
+LIBXML2_CATALOGLESS_2.9.8 {
+    global:
+
+# hash
+  xmlHashDefaultDeallocator;
+} LIBXML2_CATALOGLESS_2.9.1;
+
+LIBXML2_CATALOGLESS {
+    global:
+  *;
+};