Cross compiling OpenCV for ARM from Ubuntu

Similar to the compilation of dlib for ARM on Ubuntu (see http://www.jofre.de/?p=1494) I’d like to provide a short guilde on how to compile OpenCV for ARM on Ubuntu.

First, install all required packages:
sudo apt-get install build-essential git cmake pkg-config libjpeg8-dev libtiff5-dev libjasper-dev libpng12-dev libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libgtk2.0-dev libatlas-base-dev
gfortran

Download/clone OpenCV from github

Build OpenCV
mkdir build
cd build
cmake -DSOFTFP=ON -DCMAKE_TOOLCHAIN_FILE=/home/user1/opencv/platforms/linux/arm-gnueabi.toolchain.cmake ..

make

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