安装spconv1.2.1

pybind11:https://zhuanlan.zhihu.com/p/524159953

检查cmake：cmake –version

sudo pip install --upgrade cmake==3.22.0(其他版本有问题)

sudo apt-get install libboost-all-dev

git clone -b build_bug_fix https://github.com/ExpeditionTechnology/spconv.git --recursive(非官方，修复bug版本，去掉!git)

https://zhuanlan.zhihu.com/p/524235616