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# Download and unpack sources wget -O opencv.zip https://github.com/opencv/opencv/archive/4.x.zip --no-check-certificate unzip opencv.zip # Create build directory and switch into it mkdir -p build && cd build # Configure cmake -DCMAKE_BUILD_TYPE=Release \ -DCMAKE_INSTALL_PREFIX=/usr/local \ -DPYTHON_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \ -DPYTHON_LIBRARY=$(python3 -c "import distutils.sysconfig as sysconfig; print(sysconfig.get_config_var('LIBDIR'))") \ ../opencv-4.x/ make -j8 && make install |
如下图所示,该路径仅为示例,现场系统环境也有可能是“/usr/local/lib64”,请用户以实际安装路径为准。
用户可执行如下命令进入“/usr/local/lib”目录(或“/usr/local/lib64”目录,请用户以实际安装路径为准)查看库文件是否存在。
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cd /usr/local/lib ls |
库文件如下所示。
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export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH |