MarsSeed [1] filed a request to merge glew1.13 [2] into glew-1.13.0 [3]: Eliminating duplication. 'glew1.13' is an orphan pkg from 2016, and has a problem with its source URL. 'glew-1.13.0' is 2 years newer and still has a maintainer. And its download works. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/glew1.13/ [3] https://aur.archlinux.org/pkgbase/glew-1.13.0/