How to compile OpenCV for python 3.4 on Debian Jessie 8.3

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“Why should we make it simple when we can make it complicated ?”

Without !!!!!!!!!!!!!!!!!!!! virtualenv !!!!!!!!!!!!!!!!!!!!

Debian 8.3 and python 3.4

It's ok too with another python, see above.



sudo apt-get install libopencv-dev python-opencv
sudo apt-get install build-essential cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt install python3-dev libpython3.4-dev python3-numpy
python3.4-config --includes

For another day version, change 3.4 to yours.

Download sources

In your directory "projects", open a terminal:

git clone

It's big, so "don't warry, be happy !

Personnal hack

In CMakeLists.txt, to avoid incomprehensible error,

comment lines 10 to 15

Waouh !!!


In the previous terminal,

cd opencv
mkdir build
cd build

Use CmakeGUI Qt, instead of command line cmake .... patati ... patata .........



  • Sources Directory
  • Destination Directory

and clic on Generate ...

make -j8
sudo make install

" Better luck next time, slug-heads. " Bang. Gone. I am invincible !

" Bonne chance pour une prochaine fois, tas de nullards ! " Boum ! Envoyé ! Je suis bien l'invincible !