> Tim,
>
> If I set -DWITH_ALL_OPTIONS=ON, am I able to override individual options
> to OFF?

AFAIK yes.

> For example, in tdebase if I set the following:
>
> -DWITH_PAM=OFF
> -DWITH_ALL_OPTIONS=ON
>
> would PAM support get built or not?

No, it would not be built.

Tim