MarsSeed [1] filed a deletion request for embree2 [2]: Fails to build since 1+ year ago, as per my build error report in comment.
No longer needed; see my deletion request submitted for its only consumer, ericw-tools (PRQ#62962). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/embree2/
