Opencv 编译

版本

opencv 3.4

编译

# 下载代码
git clone https://github.com/opencv/opencv.git
git clone https://github.com/opencv/opencv_contrib.git # 扩展包，不需要可省略相关步骤
# 版本切换
cd opencv
git checkout 3.4.0 --force
cd ../opencv_contrib
git checkout 3.4.0 --force
cd ../opencv
# 编译
mkdir build && cd build
cmake .. -DBUILD_JAVA=OFF -DBUILD_opencv_apps=OFF -DBUILD_PNG=ON -DBUILD_JPEG=ON -DBUILD_ZLIB=ON -DBUILD_TIFF=ON -DBUILD_opencv_python3=OFF \
-DBUILD_opencv_python_bindings_generator=OFF -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules/  \
-DCMAKE_INSTALL_PREFIX=/usr/local/opencv_3.4.0
make 
sudo make install

# 使用
LIST(APPEND CMAKE_PREFIX_PATH /home/ubuntu/local/opencv-3.4.0)
find_package(OpenCV  3.4.0)