It was a matter of not having the right coredx items included in rosidl_typesupport. We're good to go now. Thanks. --- [Visit Topic](https://discourse.ros.org/t/failure-compiling-builtin-interfaces-with-coredx-middleware-and-latest-ros2-0-4-0/3477/3) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: