pythonocc的安装

https://pythonocc.wordpress.com/2013/03/04/installing-on-ubuntu-12-04/
官方教程
https://github.com/tpaviot/oce/blob/master/BUILD.Unix.md
https://github.com/tpaviot/pythonocc-core/blob/master/INSTALL.md

git clone git://github.com/tpaviot/pythonocc-core.git
cd pythonocc-core
mkdir cmake-build
cd cmake-build
cd /home/xx/CODE/PythonENV/p3env
source ./bin/activate
cd ~/pythonocc-core/cmake-build
cmake -DPYTHON_EXECUTABLE:PATH=/home/xx/CODE/PythonENV/p3env -DPYTHON_LIBRARY:PATH=/home/xx/CODE/PythonENV/p3env/lib/python3.7/config-3.7m-x86_64-linux-gnu/libpython3.7m.a -DOCE_INCLUDE_PATH=/usr/include/oce -DOCE_LIB_PATH=/usr/lib -DPYTHONOCC_INSTALL_DIRECTORY:PATH=/h