MarsSeed [1] filed a deletion request for arm-none-eabi-gcc47-linaro- alternative [2]: Duplicate of AUR/arm-none-eabi-gcc47-linaro. [a] I don't see any difference between the purpose of these two packages, so I think it's enough to keep the non-'alternative' one. [a]: https://aur.archlinux.org/packages/arm-none-eabi-gcc47-linaro [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/arm-none-eabi-gcc47-linaro-alternative/