Source code installation mavros

ROS melodic
ubuntu 18.04
Reference resources ：https://docs.px4.io/master/en/ros/mavros_installation.html

First check home Is there any .catkin_tools Folder , If there is , Just delete , No, the following errors will be reported when compiling ：

[build] Error: Unable to find source space /home/amov/src

Then create a new workspace , You can choose your own name

mkdir -p ~/catkin_ws/src
cd ~/catkin_ws
catkin init
wstool init src

install ROS Python Tools

 sudo apt-get install python-catkin-tools python-rosinstall-generator -y

Initialize the source space

 wstool init ~/catkin_ws/src

Be careful , The following operations are catkin_ws Execute under directory
Execute the following statement to install mavlink

rosinstall_generator --rosdistro melodic mavlink | tee /tmp/mavros.rosinstall

The success is as follows ：

Execute one of the following two statements to install mavros
Stable version mavros

rosinstall_generator --upstream mavros | tee -a /tmp/mavros.rosinstall

The latest version mavros

rosinstall_generator --upstream-development mavros | tee -a /tmp/mavros.rosinstall

The success is as follows ：

perform

wstool merge -t src /tmp/mavros.rosinstall

Input during execution y, The success is as follows ：

Execute the following statement to download the source code

wstool update -t src -j4

The success is as follows ：

perform

rosdep install --from-paths src --ignore-src -y

The success is as follows ：

perform

sudo ./src/mavros/mavros/scripts/install_geographiclib_datasets.sh

The success is as follows ：

perform

catkin build

The success is as follows ：

Finally, execute

source devel/setup.bash
roscd mavros

If installed mavros If the installation is successful , It is shown as follows ：