We're not including the source code or build tools for the version of
the player we're distributing, so it fails The Debian Free Software
Guidelines (DFSG).

Debian wants rid of .la files, and leaving this out shouldn't do any
harm on a Debian system.

Debian wants rid of .la files, and these module .la files shouldn't be
necessary on a Debian system.

add mod_xml_scgi (like xml_curl minus the web server direct to an application backend that supports the SCGI protocol)