https://cmake.org/download/
https://github.com/opencv/opencv_contrib
https://github.com/opencv/opencv
7. Search "build" and checkout this options for build speed (5)
7. Search "with" and checkout this options for build speed (6)
내부의 필요한 파일만 골라서 옮겨도 됩니다.
참조. https://webnautes.tistory.com/1036