[tor-relays] Building on a Udoo Dual

Does anyone know if the Tor Project has sources for top that can be compiled on a Udoo Dual? It's running Ubuntu 11.10 (oneiric) on a ARMv7 processor. I've tried following the instructions on https://www.torproject.org/docs/debian, but I get an Err http://deb.torproject.org/torproject.org/ experimental-oneiric/main tor 0.2.4.17-rc-1~oneiric+1 (dsc) 404 Not Found [IP: 38.229.72.14 80] error when trying to run the "sudo apt-get source tor" command.

I had no problem compiling on a Raspberry Pi, but of course this is a different animal. Thanks, Richard