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On 12/08/15 02:00 PM, Ulrich Mueller wrote:
>>>>>> On Wed, 12 Aug 2015, Ciaran McCreesh wrote:
>
>>> pkg_pretend() { if use qt4; then required_use -qt5 else
>>> required_use qt5 fi }
>
>> And how would the PM understand that -qt5 is conditional upon
>> qt4? Such knowledge is required if it's supposed to
>> auto-resolve stuff...
>
> Right, the above was too simple (and wrong). It should have
> been:
>
> pkg_pretend() { use qt4 && use qt5 && required_use -qt5 use qt4
> || use qt5 || required_use qt4 }
>
I think Ciaran's point was more, if required_use is going to i.e.
elog, it needs to elog that qt4 is being enabled because neither-of
qt4 or qt5 are off, and similarly for why qt5 is being disabled.
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