On Thu, 20 Feb 2014 11:48:11 +0100 Ulrich Mueller <u...@gentoo.org> wrote: > We don't want users having to solve a Zebra Puzzle [1] (or, for the > more theoretically inclined, a satisfiability problem [2]) to find > an acceptable combination of their USE flags.
Actually, REQUIRED_USE was introduced precisely to require users to solve SAT without help... As you may recall, we *were* going to use pkg_pretend for this sort of thing to give the users a friendly error message, but this was replaced at the last minute with REQUIRED_USE to force package manglers to reduce the quality of error message that's produced. So really we should just scrap REQUIRED_USE in EAPI 6, and migrate any ebuilds currently using it to a sane alternative. -- Ciaran McCreesh
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