cmake -D CMAKE_BUILD_TYPE=RELEASE \
      -D CMAKE_INSTALL_PREFIX=/usr/local \
      -D OPENCV_EXTRA_MODULES_PATH=~/packages/opencv_contrib/modules \
      -D ENABLE_NEON=ON \
      -D ENABLE_VFPV3=ON \
      -D BUILD_TESTS=OFF \
      -D OPENCV_ENABLE_NONFREE=ON \
      -D INSTALL_PYTHON_EXAMPLES=OFF \
      -D BUILD_EXAMPLES=OFF \
      -D BUILD_opencv_java=OFF \
      -D BUILD_opencv_python2=OFF \
      -D BUILD_opencv_python3=ON \
      -D WITH_HALIDE=OFF \
      -D WITH_OPENEXR=OFF \
      -D WITH_CAROTENE=OFF \
      -D BUILD_opencv_dnn=OFF \
      -D BUILD_opencv_gapi=OFF ..