I've finally managed to get 2.4 to complete its compile using Muton's script, without falling over at any point... but when I run it, I get as far as the splash screen and it immediately hangs. I'm attaching an export of the logs and saves.
I've tried recompiling everything from scratch, and completely refreshing the svn...
As for 2.3, I've given up trying. I cannot get it to compile at all.
EDIT: Ignore this post; it's finally working. No idea what's changed; I just set it going again and copied the config files across from the 2.3 folder, just as before, but this time it started working.