MarsSeed [1] filed a deletion request for siftgpu [2]: Unused library, VCS package in disguise from 2019, no pkgver() function. 0 pkgstats. Upstream is EOL since 2022 and archived. [a] Former consumer AUR/visual-sfm is EOL since 2015 and was deleted in Nov 2024 due to being broken due to incompatibility with current cuda, and being unmaintained/unused. (PRQ#65094). [a]: https://github.com/pitzer/SiftGPU [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/siftgpu/