docker 安装opencv CMake Error at 3rdparty/ippicv/downloader.cmake:73 (file): file DOWNLOAD HASH mism
解决办法:修改dockerfile,添加:-DWITH_IPP=OFF,重新build,修改如下:#CompileopencvWORKDIR/tmpRUNgitclone--branch3.2.0--depth1https://github.com/opencv/opencv.git&&\cdopencv&&\mkdirrelease&&\cdrelease&&\cmake-DCMAKE_BUIL