PATCH: Check GLIBC_IFUNC to enable/disable ifunc features

[H.J. Lu]

On Tue, Jun 28, 2016 at 7:28 PM, Mike Frysinger <vapier@gentoo.org> wrote:
> should have a comment or two mentioning why you need to code all of
> these things ad-hoc
>
> also needs a manual update
>

I am not sure if it needs manual update.  I consider it more for glibc
developers than for normal end users.

> seems like the feature compare is case-sensitive ?  but some of the
> feature strings are inconsistent case ?  would be nice if they were
> standardized (like all lower case).
> -mike

I'd like to match the ones in cpu-features.h so that one can cut and
paste from it.

Here is the updated patch.  Any more feedbacks?

Thanks.


-- 
H.J.
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