[Development] Removing the -c++11 option from configure

[Oswald Buddenhagen]

On Tue, Mar 24, 2015 at 01:23:25PM -0700, Thiago Macieira wrote:
> On Tuesday 24 March 2015 20:20:46 Oswald Buddenhagen wrote:
> > > And all for what? What do people gain by passing -no-c++11 today?
> > 
> > they can (at least hypothetically) test their stuff with older language
> > versions without installing a second compiler (and forcing qt to use it,
> > which is a royal pita).
> 
> They who?
> 
> Do you mean "we", as in developers of Qt itself?
> 
yes, i mean us.

> Is this really required or should people edit the mkspec?
>
hacking an mkspec is two orders of magnitude more effort (especially
when you try to automate it, or make it more or less permanent).

> Aside from an option for the CI to test non- C++11, why do we need it?
> 
i think even that would be already a good enough reason.

> If you mean any other group of people, I don't see how they're relevant.
> 
somebody who's developing on a modern platform but is ultimately targeting
(also) a more, ehm, retarded one, will appreciate it. for the same reason
why it's nice to have QT_DEPRECATED_SINCE and \since in apidocs.