[PATCH v2] float128: Extend __MATH_TG for float128 support

[Joseph Myers]

On Wed, 17 May 2017, Gabriel F. T. Gomes wrote:

> Changes since v1:
> 
>   - Add the new macro __HAVE_GENERIC_SELECTION to sys/cdefs.h to control if
>     the current compiler invocation has support for _Generic.
>   - Use the macro above in place of __USE_ISOC11 (which was wrong).
> 
> 2017-02-23  Gabriel F. T. Gomes  <gftg@linux.vnet.ibm.com>
> 	    Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
> 
> 	* math/math.h (__MATH_TG): Extend the conditions to add
> 	_Float128 support.
> 	* misc/sys/cdefs.h (__HAVE_GENERIC_SELECTION): New macro.

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com