Request #41124 has been Rejected by gromit [1]:
package builds fine in a clean chroot and resulting binary works
[1] https://aur.archlinux.org/account/gromit/
The problem reported 2020-06-18 was due to the way plugins were then, e.
g. upstream commit 93d3f7f2, enabled by default. Meanwhile, this way was
modified.
Thus, the current PKGBUILD builds current upstream commits, e. g.
e68d0c69, just fine again.
At least many of the rather important feature
FabioLolix [1] filed an orphan request for nomacs-git [2]:
Build problems reported on 2020-06 and 2021-01, not addressed
[1] https://aur.archlinux.org/account/FabioLolix/
[2] https://aur.archlinux.org/pkgbase/nomacs-git/