Troubleshooting
If the cv2 library was not found, identify where the library was compiled. It should be located at /usr/local/lib/python2.7/site-packages/cv2.so. If that is the case, make sure your Python version matches the one package that has been stored, otherwise just move it into the according site-packages folder of Python, including same for virtualenvs.
During cmake command execution, try to join -DMAKE... and the rest of the -D lines. Moreover, if execution fails during the compiling process, some libraries might be missing from the OS initial requirements. Make sure you installed them all.
You can find an official tutorial about how to install the latest version of OpenCV on Linux at the following website: http://docs.opencv.org/trunk/d7/d9f/tutorial_linux_install.html ...
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