This library is deprecated for a long time now, and Fedora Rawhide
removed the package. Since our CI is based on Rawhide, it began
to fail.
In the end, the usage was just legacy code that doesn't exist anymore,
so it's pretty safe to just plain drop it.
Meson is a build system focused on speed an ease of use, which
helps speeding up the software development. This patch adds meson
support along autotools.
https://bugzilla.gnome.org/show_bug.cgi?id=785414