[gentoo-user] Re: What is forcing the qt4 USE flag?

[Michael Palimaka <kensington@gentoo.org>]

On 01/23/2016 06:04 AM, Nikos Chantziaras wrote:
> I have a weird problem. I have an ebuild where either qt4 or qt5 can be
> enabled. They are both disabled by default and I have to choose which
> one I want. The ebuild does that with:
> 
>   IUSE="qt4 qt5"
>   REQUIRED_USE="^^ ( qt4 qt5 )"
> 
> I'm on the plasma profile which enabled qt5 automatically. However,
> portage complains:
> 
>   The following REQUIRED_USE flag constraints are unsatisfied:
>   exactly-one-of ( qt4 qt5 )
> 
> The qt4 USE flag is enabled. I can't see where. I didn't enable it
> anywhere in any of my /etc/portage/* files. If I emerge with:
> 
>   USE="-qt4" emerge package
> 
> then it works. So I have to explicitly disable the qt4 USE flag even
> though I didn't enable it in the first place.
> 
> Can someone enlighten me?
> 
> 
> 

Which package is it? We can add an entry to the Plasma profile's
package.use to avoid the REQUIRED_USE.