Unknown CMake command "ocv_clear_vars"
CMake Error at CMakeLists.txt:62 (include): include could not find load file: cmake/OpenCVUtils.cmake CMake Error at CMakeLists.txt:64 (ocv_clear_vars): Unknown CMake command "ocv_clear_vars".
when i install opencv it download and unzip ,but it after unzip it gives following error
hmm, it's clearly there in 2.4and 3.0
what you downloaded from where ?,