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Thank you for your short tutorial.

I am quite new to CMake and have questions.

Which file do I need to set OpenCV_DIR, I guess it should be FindOpenCV.cmake.
Where can I get FindOpenCV.cmake file? Is it right? http://opencv.willowgarage.com/wiki/FindOpenCV.cmake
set(OpenCV_DIR "/directory/to/opencv2"), where is /directory/to/opencv2? Is this the installation directory(default: /usr/local) or source root directory or build root directory?

It keeps saying

/usr/local/include/opencv/highgui.h:45:33: fatal error: opencv2/core/core_c.h: No such file or directory compilation terminated.

Thank you.

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