Am Sonntag, den 08.03.2009, 19:06 +0100 schrieb Stelian Ionescu:
> On Sun, 2009-03-08 at 08:49 +0100, Tiziano Müller wrote:
> > Hi everyone
> > 
> > With eapis 1 and 2 we introduced nice features but also a couple of new
> > problems. One of them are the use dependencies when the package you
> > depend on doesn't have the use flag anymore (see [1] for an example).
> 
> you can solve this right now, even if in a not very elegant way. For
> instance, if you need glibc with NPTL support, you can use 
> elibc_glibc? ( >=sys-libs/glibc-2.3
>                || ( <sys-libs/glibc-2.6[nptl]
> 		    >=sys-libs/glibc-2.6 ) )
> 

Well, that's exactly what could be avoided and eventually be written as:
    "elibc_glibc? ( >=sys-libs/glibc-2.3[nptl(+)] )"