title: OpenCV libopencv_core.so.2.4.1 File Not Found
body: <p>I am trying to setup OpenCV v2.4.1 with FFMPEG v0.11 support on Scientific Linux SL release 5.0 (Boron), and I am running into a problem with a missing file that seems completely undocumented. The error I am getting is as follows:</p>
  
  <pre><code>-- Install configuration: "Release"
  
  -- Up-to-date: /home/s18/s1138832/OpenCV/include/opencv/cv.h
  -- Up-to-date: /home/s18/s1138832/OpenCV/include/opencv/cxmisc.h
  -- Up-to-date: /home/s18/s1138832/OpenCV/include/opencv/cvwimage.h
  -- Up-to-date: /home/s18/s1138832/OpenCV/include/opencv2/opencv.hpp
  CMake Error at modules/core/cmake_install.cmake:63 (FILE):
  file INSTALL cannot find file
    "/home/s18/s1138832/OpenCV/lib/libopencv_core.so.2.4.1" to install.
  Call Stack (most recent call first):
    modules/cmake_install.cmake:57 (INCLUDE)
    cmake_install.cmake:56 (INCLUDE)
  </code></pre>
  
  <p>I honestly don't know where to begin troubleshooting this at this point. I successfully installed without ffmpeg a few days ago, but now I can't even install with ffmpeg support set to off.</p>
  
  <p>The files that link to the missing library are:</p>
  
  <pre><code>lrwxrwxrwx 1 s1138832 s18      21 Jun 17 18:26 libopencv_core.so -&gt;    libopencv_core.so.2.4
  lrwxrwxrwx 1 s1138832 s18      23 Jun 17 18:26 libopencv_core.so.2.4 -&gt; libopencv_core.so.2.4.1
  </code></pre>
  
  <p>Any advice or prods in the right direction would be much appreciated. I would also be happy to provide more info on whatever interesting details I may have omitted. </p>
  
  <p>UPDATES: This website seems to have the same error, but I can't read it and translations patchy - <a href="http://www.opencv.org.cn/forum/viewtopic.php?f=1&amp;t=15664" rel="nofollow">http://www.opencv.org.cn/forum/viewtopic.php?f=1&amp;t=15664</a> ( <a href="http://translate.google.com/translate?sl=auto&amp;tl=en&amp;js=n&amp;prev=_t&amp;hl=en&amp;ie=UTF-8&amp;layout=2&amp;eotf=1&amp;u=http%3A%2F%2Fwww.opencv.org.cn%2Fforum%2Fviewtopic.php%3Ff%3D1%26t%3D15664&amp;act=url" rel="nofollow">http://translate.google.com/translate?sl=auto&amp;tl=en&amp;js=n&amp;prev=_t&amp;hl=en&amp;ie=UTF-8&amp;layout=2&amp;eotf=1&amp;u=http%3A%2F%2Fwww.opencv.org.cn%2Fforum%2Fviewtopic.php%3Ff%3D1%26t%3D15664&amp;act=url</a> )</p>
  
  <p>libopencv_core.so.2.4.1 exists after "make", but "make install" deletes it somehow. I copied it and added it again, but it didn't change anything</p>