Bo Ørsted Andresen kirjoitti:
> On Monday 22 September 2008 22:25:20 Petteri Räty wrote:
>>> If you mean something like
>>>
>>>     built_with_use cat/foo coolfeature || ewarn "bar will be more useful if you rebuild cat/foo with USE=coolfeature" 
>>>
>>> then you can use
>>>
>>>     has_version 'cat/foo[coolfeature]' || ...
>>>
>>> instead.
>> What does this report if cat/foo does not have coolfeature use flag in
>> some version? Meaning can this support cases which need --missing true.
> 
> False. If for instance coolfeature was made optional in >=pv you can use logic
> like:
> 
> if has_version '>=cat/foo-pv' && ! has_version 'cat/foo[coolfeature]'; then
>    ewarn '...'
> fi
> 

I think this should cover all the current functionality with 
built_with_use. So when before EAPI 2 goes live I will commit:

23:29 < zmedico> has EAPI 0 1 || die "build_with_use is only allowed in 
EAPI 0 or 1"

Unless someone objects with good reasoning of course.

Regards,
Petteri