Build failure with GCC-11
People are already trying to build packages with GCC-11 (see also frameworks/kio#3 (closed)) and there is some fallout:
https://bugs.gentoo.org/764047
This is merely to inform you that Fedora have a patch for that, and the downstream user reported success:
https://src.fedoraproject.org/rpms/qca/blob/master/f/qca-gcc11.patch