webkit-gtk2 fails during gnome2 make

  CXX    Source/WebCore/xml/libWebCore_la-XPathParser.lo
./DerivedSources/WebCore/XPathGrammar.hpp: In member function 'WebCore::XPath::Expression* WebCore::XPath::Parser::parseStatement(const WTF::String&, WTF::PassRefPtr<WebCore::XPathNSResolver>, WebCore::ExceptionCode&)':
./DerivedSources/WebCore/XPathGrammar.hpp:106: error: too many arguments to function 'int WebCore::XPath::xpathyyparse()'
Source/WebCore/xml/XPathParser.cpp:480: error: at this point in file
gmake[1]: *** [Source/WebCore/xml/libWebCore_la-XPathParser.lo] Error 1
gmake[1]: Leaving directory `/wrkdirs/usr/ports/www/webkit-gtk2/work/webkit-1.4.3'
gmake: *** [all] Error 2
*** [do-build] Error code 1