PATCH: Check GLIBC_IFUNC to enable/disable ifunc features

[Siddhesh Poyarekar]

On Thu, Jun 30, 2016 at 04:34:53AM -0700, H.J. Lu wrote:
> Another concern is we only need to check one GLIBC_IFUNC and
> done.  With GLIBC_IFUNC_X86_XXX, it becomes open ended. I
> really want to avoid it.

I don't understand, could you please elaborate?

Thanks,
Siddhesh