> On Feb 2, 2017, at 9:11 AM, Michael Orlitzky <m...@gentoo.org> wrote: > > IUSE defaults are used in a few different ways: > > 1 To ensure that critical functionality is enabled. > > * Example: force the "unix" module for apache. >
This is not what IUSE defaults are for, this should be done with package.use{,.stable}.{mask,force} in profiles. If functionality is critical then there (A) shouldn't be a use flag, or (B) shouldn't be a way for USE= in make.conf to disable it.