On Mon, 29 May 2017 17:33:13 +0200 Michał Górny <mgo...@gentoo.org> wrote: > For a long time we seem to be missing appropriate tools to handle USE > flag constraints efficiently. EAPI 4 brought REQUIRED_USE but all > things considered, it has proven to be far from an optimal solution. > I would therefore like to discuss adding a better tool to amend or > replace it, to allow for automated handling of USE flag constraints.
REQUIRED_USE's problems all come from it being thrown in at the last minute without any testing of either the user experience or the feasibility of its implementation. Have you implemented a prototype to show that you can actually fix those problems? -- Ciaran McCreesh