Install "kio_recoll"?

I hope that it is all worth it.
It looks a bit like going down the rabbit hole to me.
And yes that package seems to take a long time to compile (see the comments on its aur page)
There seems to be an unofficial repo for the binary package.
However I am not in a position to recommend for or against it.
See:

Hopefully you will get it all sorted out.

Good luck!
:rainbow: