Installing opencv 2.x on Ubuntu Lucid

Lucid include opencv version 1.x. That version doesn’t cut it.

Here is how to get the latest (as of March 15, 2014) opencv going under Lucid.

sudo aptitude install cmake libdc1394-utils libjasper-dev libavcodec-dev libavformat-dev libswscale-dev

# cd to some temporary directory, download the latest opencv ZIP file and then ...
cd opencv-2.4.8

# Get around that we need a newer cmake according to the Internet - commenting out the problem is the easy way to fix it
cp ./cmake/cl2cpp.cmake ./cmake/cl2cpp.cmake.original
perl -ne "~s/string\(MD5/# string\(MD5/; print" < ./cmake/cl2cpp.cmake.original >./cmake/cl2cpp.cmake

# -D MAKE_FFMPEG=OFF 'cause we need a newer ffmpeg - so opencv will just not be able to do things ffmpeg allows
mkdir -p release
cd release

# make using as many CPUs as you have - 4 in this case
make -j4
sudo make install

# verify this version of opencv works with a usable language
python -c "import cv2; print cv2.__version__"