[cfe-dev] Setting default dialect to C++11
Robinson, Paul via cfe-dev
cfe-dev at lists.llvm.org
Wed Mar 1 17:03:09 PST 2017
Replies from Mehdi to the commit message for r296554 indicate that
he is not too happy with PS4 changing its default dialect.
I think the discussion ought to take place here and invite him to
put his comments on this thread, where it is likely to be more visible.
> -----Original Message-----
> From: cfe-dev [mailto:cfe-dev-bounces at lists.llvm.org] On Behalf Of
> Robinson, Paul via cfe-dev
> Sent: Wednesday, March 01, 2017 9:00 AM
> To: cfe-dev at lists.llvm.org
> Subject: Re: [cfe-dev] Setting default dialect to C++11
> FTR as of r296554 the default for PS4 target is now C++11.
> Because we have a couple of public bots using that default target,
> any new tests or changes will need to be tolerant of a C++11 default.
> This does not change the default for the world, but at least it will
> ensure that tests going forward will be exercising C++11 code paths.
> > -----Original Message-----
> > From: cfe-dev [mailto:cfe-dev-bounces at lists.llvm.org] On Behalf Of Joerg
> > Sonnenberger via cfe-dev
> > Sent: Monday, February 27, 2017 12:03 PM
> > To: cfe-dev at lists.llvm.org
> > Subject: Re: [cfe-dev] Setting default dialect to C++11
> > On Sun, Feb 26, 2017 at 05:38:03PM -0800, David Majnemer via cfe-dev
> > wrote:
> > > > Generally I think this is overdue, and that we should go straight to
> > C++14
> > > > rather than stopping at C++11 (like GCC did).
> > > >
> > >
> > > This policy makes sense. With GCC's change, projects must explicitly
> > > specify a -std if they insist on a particular language standard and as
> > such
> > > changing Clang's default shouldn't make things any better or worse.
> > Projects in active maintainance are mostly migrating to C++11 already.
> > They don't care about this. But there is a huge existing code base that
> > doesn't specify -std=XXX and for which bad things can happen. Compile
> > errors are on the more harmless side of things.
> > Pointing to GCC doesn't really change anything. They don't maintain
> > those code bases either.
> > Joerg
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