安装libg20：

sudo apt-get install ros-melodic-libg2o

安装Glog：

sudo apt-get install libgoogle-glog-dev

安装ROS所需第三方依赖包：

sudo apt install -y ros-melodic-cv-bridge

sudo apt install -y ros-melodic-image-transport

sudo apt install -y ros-melodic-stage-ros

sudo apt install -y ros-melodic-map-server

sudo apt install -y ros-melodic-laser-geometry

sudo apt install -y ros-melodic-interactive-markers

sudo apt install -y ros-melodic-tf

sudo apt install -y ros-melodic-pcl*

sudo apt install -y ros-melodic-libg2o

sudo apt install -y ros-melodic-rplidar-ros

sudo apt install -y ros-melodic-rviz

sudo apt install -y protobuf-compiler

sudo apt install -y libprotobuf-dev

sudo apt install -y libsuitesparse-dev

sudo apt install -y libgoogle-glog-dev