Comment 7 for bug 2054510

Stange. Jammy is failing to build for a reason unrelated to anything that has changed since the last update:

In file included from ../src/backends/meta-backend-private.h:39,
                 from ../src/backends/x11/meta-backend-x11.h:31,
                 from ../src/backends/x11/nested/meta-backend-x11-nested.h:25,
                 from ../src/tests/meta-backend-test.h:23,
                 from ../src/tests/meta-backend-test.c:22:
../src/backends/meta-monitor-manager-private.h:41:10: fatal error: meta/meta-enum-types.h: No such file or directory
   41 | #include "meta/meta-enum-types.h"
      | ^~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.

EDIT: Moved to bug 2055530