On Thu, 8 Aug 2002, Peter Samuelson wrote:
> > Boolean is simple, what about tristate symbols? How does it modify
> > the input range?
>
> !y == n
> !m == n
> !n == y
>
> To me these are the only semantics that make any sense. Certainly if
> it goes in the kernel it needs to be added to config-language.txt.
I would define !m as m, e.g. it would allow
dep_tristate "" CONFIG_OLD !$CONFIG_NEW
dep_tristate "" CONFIG_NEW !$CONFIG_OLD
This means only a single driver could be build into the kernel, but both
could be compiled as module.
If we had real expression there, your semantics could easily be described
as $CONFIG!=n, but it wouldn't be possible to describe my semantics.
bye, Roman
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