Library not loaded: /usr/local/lib/libpq.5.4.dylib

Question

I am working on a rails app.
Installed Postgresql using postgresql-9.1.2-1-osx.dmg
Installed pg gem.
Then when I executed rake db:create getting the

Answer 1

Some time after I posted this question, I found that libpq.5.4.dylib resides in /Library/PostgreSQL/9.1/lib/.
So, I created the following link:
lrwxr-xr-x 1 sathishvc admin 43 Jan 28 23:40 /usr/local/lib/libpq.5.4.dylib -> /Library/PostgreSQL/9.1/lib/libpq.5.4.dylib.

This solved the problem then.