FabioLolix [1] filed a deletion request for redox-newlib [2]: Cleanup of Redox OS toolchain, all pkgbuilds have seen activity only on July 2018, abandoned, 0 votes, no comments, missing makedepend
[1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/redox-newlib/
