svn commit: r253215 - head/lib/msun/src

David Chisnall theraven at
Thu Jul 11 19:37:10 UTC 2013

On 11 Jul 2013, at 19:52, Tijl Coosemans <tijl at> wrote:

> GCC doesn't support _Generic yet for -std=c11.

Ugh.  Given that they also lack a fine-grained feature check mechanism, they really should not advertise support for a language dialect if they don't support it.

>> +#elif __GNUC_PREREQ__(5, 1)
> GCC 3.1?

Ooops, I changed this to 5.1 to test the other code path and forgot to revert it.

> Last __fpclassifyd should be __fpclassifyl.


>> @@ -227,8 +250,6 @@ double	expm1(double);
>> double	fma(double, double, double);
>> double	hypot(double, double);
>> int	ilogb(double) __pure2;
>> -int	(isinf)(double) __pure2;
>> -int	(isnan)(double) __pure2;
> I think they should stay for the C90 case.

That would completely defeat the point of this entire exercise and be redundant unless we aim to support a compiler that only supports C90 and no GNU extensions, in which case you'll hit errors in cdefs.h, long before you get to this point in an include.  


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