[PATCH 1/8] Use gcc attribute ifunc in libc_ifunc macro instead of inline assembly due to false debuginfo.

[Florian Weimer]

On 08/05/2016 10:31 AM, Andreas Schwab wrote:
> On Fr, Aug 05 2016, Stefan Liebler <stli@linux.vnet.ibm.com> wrote:
>
>> Requiring a specific gcc / binutils version does not work. E.g. on s390x a
>> gcc 4.7.4 has attribute ifunc support.
>> According to <gcc-src>/gcc/configure.ac there is an option
>> --enable-gnu-indirect-function. If it is not specified it defaults to
>> default_gnu_indirect_function variable. This is set to yes in
>> <gcc-src>/gcc/config.gcc for intel / s390. Otherwise it is no.
>
> That should probably be updated, then.

I agree.  Can we require that GCC is configured with 
--enable-gnu-indirect-function for future glibc releases, please?

Thanks,
Florian