Re: Kconfig and toolchain dependencies

["H. Peter Anvin" <hpa@xxxxxxxxx>]

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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