TrialnError [1] filed a deletion request for llvmlinux-git [2]: Unknown project status (more or less idling as it seems from the ML). So the current patches and tools are for linux 3.x series. In my opinion it doesn't currently make sense to leave it on AUR, as it is broken anyhow. Today was my last attempt on fixing it, but due to the upstream status it is the best to remove it, until updated patches are available (and this git repo only vanishes from the surface) [1] https://aur.archlinux.org/account/TrialnError/ [2] https://aur.archlinux.org/pkgbase/llvmlinux-git/