MarsSeed [1] filed a deletion request for agb-armv4t-eabi-unilib [2]: Broken, unused library from 2021.
Discontinued under the 'unilib' name. Current upstream name is 'hinterlib'. [a] [a]: https://github.com/aquefir/unilib [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/agb-armv4t-eabi-unilib/