It looks like this has been the case for a while. I can see the same warning on unique_identifier devel jobs for all ROS distros (e.g. [indigo on trusty](http://build.ros.org/job/Idev__unique_identifier__ubuntu_trusty_amd64/3/consoleFull#console-section-11)). It looks like distutils [never supported the option (?)](http://stackoverflow.com/questions/8295644/pypi-userwarning-unknown-distribution-option-install-requires) --- [Visit Topic](https://discourse.ros.org/t/lunar-release-progress/1558/4) 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: