I downloaded GCC-3.3 and now im trying to configure it this is what happens:

[root@luckyclay source]# cd gcc-3.3
[root@luckyclay gcc-3.3]# ./configure
Configuring for a i686-pc-linux-gnuoldld host.
Created "Makefile" in /opt/source/gcc-3.3 using "mt-frag"
./configure: line 8: cc: command not found
*** The command 'cc -o conftest -g conftest.c' failed.
*** You must set the environment variable CC to a working compiler.

whats this ./configure: line 8: cc: command not found?
and how do I set the environement variable CC to a working compiler?

My take on the problem is that configure is looking for a compiler to use to compile gcc-3.3. So do you have a working compiler on your machine?

If you do then export CC (or cc as the case might be) as the name of the compiler:
export CC=gcc