This is the mail archive of the
libstdc++@gcc.gnu.org
mailing list for the libstdc++ project.
Re: RFC - Remove support for PCH post 4.8
On Wed, Nov 28, 2012 at 7:07 PM, Lawrence Crowl <crowl@googlers.com> wrote:
> On 11/28/12, Gabriel Dos Reis <gdr@integrable-solutions.net> wrote:
>> On Nov 28, 2012 Miles Bader <miles@gnu.org> wrote:
>> > 2012/11/29 Gabriel Dos Reis <gdr@integrable-solutions.net>:
>> > > My understanding from attending the last C++ standards
>> > > committee is that we are still way far from having something
>> > > that gets consensus of good enough proposal on modules to
>> > > coalesce around. We have several proposals, each in various
>> > > states of experimental implementations; nothing more.
>> >
>> > Do you have pointers to any other other (currently viable)
>> > proposals, besides the one outlined by N3347 and the slides
>> > Chris pointed a link to?
>>
>> Lawrence Crowl (in collaboration with Diego I think) has a proposal
>> based on PPH. Lawrence knows best the proposal number.
>
> The paper is N3426 Experience with Pre-Parsed Headers.
> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3426.html
>
> Note however, that this paper is not a C++ proposal. It tells our
> experience in trying to save header parses. By design, PPH does
> not address some issues that we think need to be addressed in a
> full modules proposal. In particular, we think export control is
> important to both robust software and decent compilation performance.
Thanks, Lawrence!
-- Gaby