On 05/07/2012 11:26 AM, Ulrich Mueller wrote: >> REQUIRED_USE="webkit? ( gtk ) !webkit? ( !gtk ) gtk? ( webkit ) !gtk? ( >> !webkit )" > >> It's pretty awkward with the existing operators, but we could extend >> the REQUIRED_USE syntax to support an equivalent operator in a >> future EAPI. > > As far as I can see, it is equivalent to: > > REQUIRED_USE="^^ ( webkit !qt )" > > (or analog for the gtk case). But see above.
Ah, that's right. This would another good example for the dev manual, like the one from bug 399069 [1]. [1] https://bugs.gentoo.org/show_bug.cgi?id=399069 -- Thanks, Zac
