Replacing Fedora Postgresql with non-Fedora version?

Sun Feb 22 19:40:10 UTC 2015

On Sun, Feb 22, 2015 at 09:35:54 -0700,
  Stuart McGraw <smcg4191 at frii.com> wrote:
>
>I have Postgresql-9.3 installed from the Fedora 21 yum repo
>in  order to satisfy any packages that need postgresql.  But
>I need  to run Postgresql-9.4 so I disabled the yum postgresql
>startup via systemd and installed the EDB version of 9.4
>into  /opt/postgresql [*].

What I would is rebuild 9.4 using the source rpm from f22 in f21, then 
update using the generated rpms.