https://blog.csdn.net/ksws0292756/article/details/79511170
cmake（opencv3.4.1加contri过程）
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/home/z/anaconda2/envs/xlpy3.6_pytorch1.0 -D INSTALL_PYTHON_EXAMPLES=/home/z/anaconda2/envs/xlpy3.6_pytorch1.0/bin/python -D PYTHON_INCLUDE_DIR=/home/z/anaconda2/envs/xlpy3.6_pytorch1.0/include/python3.6m -D PYTHON_PACKAGES_PATH=/home/z/anaconda2/envs/xlpy3.6_pytorch1.0/lib/python3.6/site-packages -D PYTHON3_NUMPY_INCLUDE_DIRS=/home/z/anaconda2/envs/xlpy3.6_pytorch1.0/lib/python3.6/site-packages/numpy/core/include -D INSTALL_PYTHON_EXAMPLES=ON -D INSTALL_C_EXAMPLES=OFF -D OPENCV_EXTRA_MODULES_PATH='/media/z/BB/software/opencv-3.4.1/opencv_contrib-3.4.1/modules' -D CMAKE_C_COMPILER=/usr/bin/cc -D CMAKE_CXX_COMPILER=/usr/bin/c++ ..