Not only should it have glue, but it should also have another form of
mechanical fasteners, other than nails. Some like biscits, I prefer dado
and rabbits to A) increase glue surface area and B) control dimensions.
I've done both. With the dado and rabbits, or biscits, with good
clamping,
no or very few nails are needed.
--
Jim in NC

What do you do with the rabbits? With biscuits and rabbits you could have a
decent meal, but I don't know how the rabbit will help with your cabinets.

-Jack