On Wed, 12 Aug 2015 21:22:48 +0200 Alexis Ballier <aball...@gentoo.org> wrote: > On Wed, 12 Aug 2015 19:25:37 +0100 > Ciaran McCreesh <ciaran.mccre...@googlemail.com> wrote: > > On Wed, 12 Aug 2015 20:19:08 +0200 > > Alexis Ballier <aball...@gentoo.org> wrote: > > > pkg_pretend still needs to be executed to guess what useflags are > > > enabled or not, which information is needed before dependency > > > calculation > > > > You'd probably be implementing this in a "SAT modulo theories" kind > > of way: find a solution, do the pkg_pretend checks, and if it fails > > spit a nogood back into the resolver. > > > > But this entire discussion is pointless, since Portage doesn't and > > won't auto-resolve this stuff. > > considering its speed (at least for portage) and the complexity of the > thing, running the dep solver N times, where N is probably unbounded > doesn't seem benefical at all > > esp. since a modified REQUIRED_USE can achieve the same
But you'd be running it N times to fix a REQUIRED_USE problem anyway. -- Ciaran McCreesh
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