This was the orginal implementation that reverted with a bunch of
commits.
This reverts commit a13e521bc5.
Revert "cmake: append to the array correctly"
This reverts commit 51e3f1daf5.
Revert "build failure with cmake < 3.10"
This reverts commit 49cf702ee5.
Revert "MDEV-33301 memlock with systemd still not working"
This reverts commit 8a1904d782.
