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（2）Enter sudo gedit package.xml in the terminal, configure package.xml, add the following two
lines of code to the file, as shown below:
<build_depend> message_generation </build_depend>
<exec_depend> message_runtime </exec_depend>
Then, package.xml configuration is completed, save and exit.
Enter sudo gedit CMakeLists.txt in the terminal, configure CMakeLists.txt, and find the
corresponding location to modify.
1 Add message_generation to the following code slice, the result is as shown below:
② Add CATKIN_DEPENDS message_runtime to following code part，the result is shown as below
after adding.
③Find the code part as below: