Re: Kconfig and toolchain dependencies

From: H. Peter Anvin
Date: Tue Feb 07 2012 - 15:26:38 EST


On 02/04/2012 10:32 AM, Josh Triplett wrote:
>>
>> Does anyone have a feel for if this would be a good addition, and if so
>> where it best fits into the chain?
>
> This seems like a *great* idea. Unfortunately, a quick look at the
> implementation of kbuild suggests that it doesn't currently implement
> numeric comparisons (<, <=, >, >=), only equality (= and !=). Most of
> the time, a Kconfig file will want to write "depends GCC >=
> some_version".
>
> Looking at scripts/kconfig/expr.c, it doesn't look that hard to add,
> though.
>

Range dependencies are probably useful in their own right, too.

-hpa

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