GPLv3 I believe includes language that could be construed to cover your entire software distribution. IOW shipping a GPLv3 thing with the OS puts Apple at a ver

GPLv3 I believe includes language that could be construed to cover your entire software distribution. IOW shipping a GPLv3 thing with the OS puts Apple at a very minor risk that a court could decide that the everything distributed with rsync must also be able to be compiled by the end user.