MarsSeed [1] filed a deletion request for ros-noetic-rosmake [2]: Fails to build. Unused ROS1 dev toolchain package.
All ROS1 components are broken on and no longer compatible with Arch Linux. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-noetic-rosmake/
