OpenCv/CMake

Hello,
I have find this tuto for using OpenCv for unity :
https://thomasmountainborn.com/2016/09/11/unity-and-opencv-part-one-install/

He say that i have to using CMake for extract OpenCV but when I’m at the step 6, i have this error :

I don’t know what to do and where is my problem, if someone can help me

Have you tried using the same software versions as depicted in the tutorial?

There is also an actual complete package of this available for purchase in the asset store at:

I used it in 2014/2015 and it was great, saved a lot of time trying to build the actual OSS repo and integrate it.

Sorry but i don’t want buy somthink, i want not using monnaie

Yes, I have tried with all available versions