ardupilot/Tools/ros2/ardupilot_msgs/package.xml

<?xml version="1.0"?>
<?xml-model href="http://download.ros.org/schema/package_format3.xsd"
  schematypens="http://www.w3.org/2001/XMLSchema"?>
<package format="3">
  <name>ardupilot_msgs</name>
  <version>0.0.0</version>
  <description>Custom ROS 2 messages and services for ArduPilot</description>
  <maintainer email="rhys.mainwaring@me.com">maintainer</maintainer>
  <license>GPL-3.0</license>

  <buildtool_depend>ament_cmake</buildtool_depend>
  <buildtool_depend>rosidl_default_generators</buildtool_depend>

  <depend>std_msgs</depend>
  <depend>geometry_msgs</depend>
  
  <exec_depend>rosidl_default_runtime</exec_depend>

  <test_depend>ament_cmake_copyright</test_depend>
  <test_depend>ament_cmake_xmllint</test_depend>
  <test_depend>ament_lint_auto</test_depend>

  <member_of_group>rosidl_interface_packages</member_of_group>

  <export>
    <build_type>ament_cmake</build_type>
  </export>
</package>