panels/network/wireless-security is essentially an old fork of the part
of nm-connection-editor that is now part of libnma.
The UI elements provided by libnma adhere to the same look as the rest
of gnome-control-center for quite some time now. The functinality they
implement the same functionality and more. In particular, libnma uses
Gcr to provide Smart Card access for keys and certificates.
https://bugzilla.redhat.com/show_bug.cgi?id=1992836
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
