On 6/18/15 8:54 AM, Tom Lane wrote:
> Sure; the point is that libxml2 has suddenly been reclassified as a
> documentation build tool, which is at least a surprising categorization.
libxml2 has been a required documentation build tool since PostgreSQL
9.0. The only thing that's new is that xmllint is in a different
subpackage on some systems. So just install that and you're all set for
the foreseeable future.