Installation with Postgres 9.6 does not readily work

[ramanala]

I tried installing the pg_paxos extension from the latest code on top of postgres 9.6 on ubuntu 16.04. My make and make install of pg_paxos happen without problems. However, when I try to create the pg_paxos extension using the psql command "CREATE EXTENSION ps_paxos", I keep getting an error -- ERROR: could not access file "$libdir/pg_paxos": No such file or directory. Am I missing some steps (I am new to PG) or does the README not mention some obvious steps?