Re: Add -std=c18 etc. option aliases

[Jakub Jelinek <jakub at redhat dot com>]

On Thu, Nov 16, 2017 at 11:34:07PM +0000, Joseph Myers wrote:
> On Thu, 16 Nov 2017, Mike Stump wrote:
> 
> > date on it.  If there was no major release with c17, I would ditch the 
> > c17 spelling and just change it to c18 now.  :-)  I know, kinda sucks, 
> 
> There is no evidence yet of anyone using the C18 name.  So far, it's 
> consistently being referred to as C17 in development, even after the 
> timescale for the ballot / publication has become clear.  But given the 
> possibility that some people might think of it as C18 based on the 
> publication date, being prepared with aliases seems useful.
> 
> The name -std=iso9899:2017 follows the precedent of -std=iso9899:199409 in 
> being based on the __STDC_VERSION__ value rather than the publication 
> date.

Note AFAIK C++14 has been published in January 2015 too, initially
14882:2015 and then changed to 14882:2014.

	Jakub