opencv与anaconda冲突
sudo cmake ../opencv-4.x -D CMAKE_CXX_COMPILER:FILEPATH=/usr/bin/g++ -D CMAKE_C_COMPILER:FILEPATH=/usr/bin/gcc -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D CUDA_GENERATION=Auto
3rdparty/ippicv/ippicv.cmake改下载地址:
"https://ghproxy.com/raw.githubusercontent.com/opencv/opencv_3rdparty/${IPPICV_COMMIT}/ippicv/"