title: CMake is throwing an error while Installing OpenCV
body: <p>I am using <a href="https://www.learnopencv.com/install-opencv-4-on-macos/" rel="nofollow noreferrer">this</a> document as a guide
  and i ran through this error </p>
  
  <pre><code>Install the project...
  -- Install configuration: "RELEASE"
  CMake Error at cmake_install.cmake:36 (file):
    file cannot create directory: /installation/OpenCV-/share/licenses/opencv4.
    Maybe need administrative privileges.
  </code></pre>