compile opencv2.3.1 in ubuntu 11.10

Question

Here is the tutorial I followed:http://thebitbangtheory.wordpress.com/2011/10/23/how-to-install-opencv-2-3-1-in-ubuntu-11-10-oneiric-ocelot-with-python-support/
I think the

Answer 1

Thanks to @karlphillip and @Appleman1234, and I solved my problem finally. The key is remove the /release directory that contains the cmake information and do the recompile from scratch, i.e. mkdir ./release, cd ./release, cmake, make and make install. BTW,ffmpeg is required 0.8+,and mine is 0.8.1.