Cartographer ROS를 빌드하기 위해 wstool 과 rosdep 설치 https://google-cartographer-ros.readthedocs.io/en/latest/compilation.html Compiling Cartographer ROS — Cartographer ROS documentation Building & Installation In order to build Cartographer ROS, we recommend using wstool and rosdep. For faster builds, we also recommend using Ninja. On Ubuntu Focal with ROS Noetic use these commands to install the above..