The problem can be reproduced by several other users.
==> dkms install --no-depmod nct6687d-dkms-git/r30.4f00ace -k 5.16.10-arch1-1
Error! Build of nct6687.ko failed for: 5.16.10-arch1-1 (x86_64)
Make sure the name of the generated module is correct and at the root of the
build directory, or consult make.log in the build directory
/var/lib/dkms/nct6687d-dkms-git/r30.4f00ace/build for more information.
==> WARNING: `dkms install --no-depmod nct6687d-dkms-git/r30.4f00ace -k 5.16.10-arch1-1' exited 7
OS: Arch, current updates
Installation via AUR package.
The problem can be reproduced by several other users.
Might be caused by 08eccc5