You can either set the environment variable `MAKEFLAGS` or you can pass arbitrary arguments to `make` using `ament build --make-flags ...`. --- [Visit Topic](https://discourse.ros.org/t/how-to-set-number-of-parallel-jobs-in-ros2-building/3723/2) 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: