Set Opencv path for a c++ project using Cmake

Question

I have two Opencvs, opencv-2.4.10 is installed in /usr and opencv-3.1 is installed in /usr/local. I can set the opencv path in Eclipse easily. In cmake, how can I set the path f

Answer 1

This question is a duplicate of How to force c++ compiler use one of different installed package's versions, using CMake? but it is found by search engines so I add the answer from texasflood that I found to be working with CMake 2.8.12.2 and OpenCV 3.2.0 on Ubuntu 12.4:

Simply change the find_package command:

find_package(OpenCV REQUIRED PATHS "/usr/opencv-2.4.10")