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CUDA + OpenCL installation

Hi, I'm installing OpenCV 2.4.8 on a Ubuntu-based machine and I am about to compile the source codes. I have a NVIDIA Quadro K600 with drivers properly installed as well as both CUDA and OpenCL support libraries.

When calling cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_CUDA=ON .., the config summary reports that both CUDA and OpenCL are enabled.

I would like to know if this can lead to runtime problems when calling "CL" functions from OpenCV code, because it can decide the acceleration layer to use.