Add feature test macro _ISOC2X_SOURCE

Tue Aug 13 07:21:00 GMT 2019

On Aug 09 2019, Joseph Myers <joseph@codesourcery.com> wrote:

> 	* include/features.h (_ISOC2X_SOURCE): New feature test macro.
> 	Undefine and define to 1 if [_GNU_SOURCE].
> 	(__GLIBC_USE_ISOC2X): New macro.  Undefine and redefine depending
> 	on [_ISOC2X_SOURCE] and [__STDC_VERSION__ > 201710L].
> 	(__USE_ISOC11): Also define to 1 if [_ISOC2X_SOURCE].
> 	(__USE_ISOC99): Likewise.
> 	(__USE_ISOC95): Likewise.
> 	* manual/creature.texi (_ISOC2X_SOURCE): Document.

Ok.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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