Just to confirm my understanding, parallel build for each package is supported by the toolchain itself and that is what OP is asking about, but parallel build for more than one package is not yet supported by ament, right? --- [Visit Topic](https://discourse.ros.org/t/how-to-set-number-of-parallel-jobs-in-ros2-building/3723/3) 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: