title: Invalid mex file: undefined symbol: cholmod_camd
body: <p>How to solve this issue? I saw no cholmod_camd related header file in the c++ file I was trying to mex.   </p>
  
  <pre><code>Invalid MEX-file '/home/mpelang/Desktop/APAPstitch/Image Stitching with 
  Bundled Moving
  DLT/ceresRigidError.mexa64': /usr/local/lib/libceres.so: undefined 
  symbol:
  cholmod_camd
  </code></pre>