title: Darknet OpenCV found but can't demo
body: <pre><code>-- Found OpenCV: C:/OpenCV/build (found version &quot;3.4.12&quot;)
  </code></pre>
  <p>^^ when I run cmake . it shows found opencv but when i try to use darknet.exe detector demo ...</p>
  <p>it displays</p>
  <pre><code>CUDA-version: 10020 (11020), cuDNN: 7.6.5, GPU count: 1
  OpenCV isn't used - data augmentation will be slow
  Demo needs OpenCV for webcam images.
  </code></pre>
  <p>I have my makefile set to</p>
  <pre><code>OPENCV=1
  </code></pre>
  <p>and I ran cmake again but nothing changed</p>