Contrib XML

Hi,
I need help setting up the contrib XML package.

I have gone as far as copying the source files from www.xmlsoft.org
<www.xmlsoft.org> , and trying to compile/make the XML under the contrib
package. So Im assuing I meed to install lxml2??

gcc -O2 -fno-strict-aliasing -Wall -Wmissing-prototypes
-Wmissing-declarations -fpic -shared -Wl,-soname,libpgxml_dom.so.0
pgxml_dom.o -L../../src/port -lxml2 -o libpgxml_dom.so.0.0
/usr/bin/ld: cannot find -lxml2
collect2: ld returned 1 exit status
make: *** [libpgxml_dom.so.0.0] Error 1

Any help would be greatly appreciated.

Theo

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