mkdir ros_nav_ws/src -p
cd ros_nav_ws/src
git clone https://github.com/ros-planning/navigation.git
cd ..
catkin_make

编译过程中可能出现的错误

error1：Could NOT find SDL (missing: SDL_LIBRARY SDL_INCLUDE_DIR)

solution：安装所缺少的依赖

sudo apt-get install libsdl-image1.2-dev
sudo apt-get install libsdl-dev

error2：Could not find a package configuration file provided by "tf2_sensor_msgs"

solution：安装所缺少的依赖

sudo apt-get install ros-noetic-tf2-sensor-msgs
//更换密钥：
sudo apt-key adv --keyserver 'hkp://keyserver.ubuntu.com:80' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
sudo apt-get update

error2：Could not find a package configuration file provided by "move_base_msgs"

solution: 安装所缺少的依赖

sudo apt-get install ros-noetic-move-base-msgs

再编译可编译成功