2015-05-03 1:30 GMT+03:00 Kent Fredric <kentfred...@gmail.com>:
> > On 3 May 2015 at 10:18, Georg Rudoy <0xd34df...@gmail.com> wrote: > >> We have "idn" or "gnutls" or "python" etc USE flags after all, not >> "support_international_names_in_blah" or >> "allow_secure_news_fetching_in_foo" or "build_scripting_support_for_baz". >> >> Or I just didn't get you here, sorry me in this case :) >> > > > The difference is semantics. > > "idn" *is* saying "Support for international names" ( not in, but _for_ ) > > and python very often *is* saying "Support for python" ( not in, but _for_ > ) > > That's "for", not "by". For support *by* python, an explicit python > use-flag is not entirely necessary. > > Just like you presently don't have ( and we don't have ) a "USE=c" flag > just to make sure you have a C compiler. > > What does it matter to a user that its in C++14 ? It doesn't. > > And end user is more concerned with "what does this do for me". > > If for instance a specific user visible tool became magically available > with "USE=C++14", and that was the only tool that became visible as a > result, that would, for example, be really silly. > > If a useflag doesn't tell me what it does for me, then what impetus is > there for me to toggle it? > > For instance, Seamonkey doesn't have a USE=perl flag. Nor should it have > one. > > It does however have a USE=crypt flag, which utilizes perl as part of its > work. ( And its only a compile time dependency also ). > > But you seem to want USE=perl # turn on crypt features > > Which is inherently backwards. > > There is still places where that makes a degree of sense, but in cases > like "give new user facing features features" an ambiguous "C++" toggle is > not going to be communicating intent in an appropriate manner. > > Well, I can see your point. But I don't see any reasonable alternative --- this functionality can't be generalized by any name, except "c++14" --- that's only thing in common. Moreover, this is (I hope) a _temporal_ solution, until there's a gcc with needed level of support. And of course we can put a message about this flag in eclass and/or on LeechCraft site.
