https://opencv.org/
opencv 3.2 installed in ~/opencv/opencv-3.2.0
sudo su
mkdir build
cd build
将ippicv_linux_20151201.tgz替换opencv-3.1.0/3rdparty/ippicv/downloads/linux-*目录下的同名文件
cp protobuf-cpp-3.1.0.tar.gz /home/zhuzhao/opencv/opencv_contrib/modules/dnn/.download/bd5e3eed635a8d32e2b99658633815ef/v3.1.0/
cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_LAPACK=OFF -D BUILD_EXAMPLES=ON -D OPENCV_EXTRA_MODULES_PATH=~/opencv/opencv_contrib/modules -D CMAKE_INSTALL_PREFIX=~/opencv/opencv-3.2.0 ..
cmake -D CMAKE_INSTALL_PREFIX=/usr/local -D CMAKE_BUILD_TYPE=Release -D OPENCV_EXTRA_MODULES_PATH=../opencv_contrib/modules ..
make -j8
make install
