Re: [PATCH] AC_USE_SYSTEM_EXTENSIONS: port to recent ISO C

[Paul Eggert]

On 09/14/2016 05:55 AM, Joseph Myers wrote:
> Why not __STDC_WANT_IEC_60559_TYPES_EXT__ (which makes GCC 7's <float.h>
> declare limits for _FloatN and _FloatNx types; not yet anything in glibc,
> until the float128 work is in)?

Sorry, I didn't know about __STDC_WANT_IEC_60559_TYPES_EXT__. I don't 
have access to the recent ISO C standards documents, which are not free.

> (There are other feature test macros for
> ISO C extensions as well.)

Thanks, is there a list of these new macros somewhere? I might as well 
add them all now.