Artoolkit on Ubuntu 12.04
Reference:http://www.kameda-lab.org/_local/imagelab.tsukuba.ac.jp/ubuntu1004+opencv21/ARToolKitk/index-e.html
Clone repo.
Do patching from the inside the patchdone folder using following command
$ tar xvfz ARToolKit-2.72.1.tgz
$ patch -p0 -d . < patch-before\ installing/artk-v4l2-2.72.1.20101003.patch
$ cd ARToolKit
$./Configure
1st select V4L2 3rd option 2nd select y (X86) 3rd select n 4th select n
$make
$cd bin
$./simpleLite