Trouble finding libpq on Centos 6.5

[Aqz <poczta@xxxxxxxx>]

Hi.

I'm not sure if I should write here, or on a Centos mailing list...

I have fresh, vanilla Centos 6.5 with postgresql yum repository added.

I've successfully installed postgresql93 and postgresql93-libs packages, but still :

$ ld -lpq
ld: cannot find -lpq

$ ldconfig -p
        libpq.so.5 (libc6,x86-64) => /usr/pgsql-9.3/lib/libpq.so.5
        libpq.so (libc6,x86-64) => /usr/pgsql-9.3/lib/libpq.so

What did I do wrong?

--
Wojtek