https://github.com/gaoxiang12/slambook2
安装：
sudo apt install -y libglew-dev
sudo apt-get install libgoogle-glog-dev
sudo ldconfig
cmake CMAKE_INSTALL_PREFIX=/home/slam/slambook2/3rdparty/install/googletest ../
cmake CMAKE_INSTALL_PREFIX=/home/slam/slambook2/3rdparty/install/g2o ../
cmake CMAKE_INSTALL_PREFIX=/home/slam/slambook2/3rdparty/install/Pangolin-0.6 ../
cmake CMAKE_INSTALL_PREFIX=/home/slam/slambook2/3rdparty/install/Sophus ../
报错：
error: ‘PixelFormat’ does not name a type; did you mean ‘AVPixelFormat’?
解决：