Is this for a registered copy of Red Hat 5.3?
Do you have an internet connection?
If yes to both, why are you messing around with manual install of packages from a DVD? Use the package manager to get what you want and to deal with all the dependencies.
If unregistered with internet connection, why are you messing around with an unregistered copy of RHEL? The software will always be a major pain to install or upgrade. You could use Centos instead of RHEL and then all the package installs and upgrades will be easy.
As for your specific current problem you should have installed
I think that was the meaning of
Originally Posted by AlucardZero
2) install tcl too.