cmake error

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Hello,

I am new to opencv and I've just got opencv installed. I'm trying to get this simple example working, but I'm getting a compilation error. Any leads will be highly appreciated.

http://docs.opencv.org/doc/tutorials/introduction/linux_gcc_cmake/linux_gcc_cmake.html#create-a-cmake-file

CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:108 (message):
  Could NOT find OpenCV (missing: OpenCV_INCLUDE_DIR) (found version "3.0.0")
Call Stack (most recent call first):
  /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:315 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-2.8/Modules/FindOpenCV.cmake:300 (find_package_handle_standard_args)
  CMakeLists.txt:3 (find_package)