title: CMake throws Error: could not load cache
body: <p>I am trying to build <a href="http://dlib.net/release_notes.html" rel="noreferrer">Dlib 19.0</a> examples. I did </p>
  
  <pre><code>cd examples
  mkdir build
  cd build
  cmake ..
  cmake --build 
  </code></pre>
  
  <p>to get exe now,
  <code>cmake --build</code>  from the examples directory.</p>
  
  <p>CMake throws: <code>Error: could not load cache</code></p>
  
  <p>Screenshot:</p>
  
  <p><a href="https://i.stack.imgur.com/ovOHf.png" rel="noreferrer"><img src="https://i.stack.imgur.com/ovOHf.png" alt="enter image description here"></a></p>