Debian packages (binaries and sources) for 32-bit and 64-bit systems can be found in my repo.
If you want to use apt (or dselect, synaptic or whatever) you need to add the following entries to /etc/apt/sources.list :
deb http://apt.jenslody.de/ any dbg
deb-src http://apt.jenslody.de/ any dbg
and remove entries for the normal nightlies.
Alternatively you can download the deb's directly from http://apt.jenslody.de/pool/dbg/c/codeblocks/ (http://apt.jenslody.de/pool/dbg/c/codeblocks/) .