perl Makefile.PL XMLPREFIX='/usr/local'
Set up build environment without MacOSX10.4u SDK (will build native binaries)
enable native perl UTF8
running xml2-config...untested
Note: libxml2 2.7.8 was not tested with this XML::LibXML version.
looking for -lxml2... no
looking for -llibxml2... no
libxml2 not found
Try setting LIBS and INC values on the command line
Or get libxml2 from 
  http://xmlsoft.org/
If you install via RPMs, make sure you also install the -devel
RPMs, as this is where the headers (.h files) are.