[Samba] libkdc-policy.so: cannot open shared object file: No such file or directory?

[samba.to.anomalyst at xoxy.net]

Built from tar. Same result from git pull as of 01NOV install

sudo samba-tool domain provision --realm=hen.us.mentats.us
--domain=NEWDOM --dns-backend=BIND9_DLZ --adminpass=badpass
--server-role='domain controller'

"libkdc-policy.so: cannot open shared object file: No such file or directory"

How do I find/build this module?