[PATCH 6/9] Add __vsyslog_internal, with same flags as __v*printf_internal.

[Florian Weimer]

On 03/13/2018 03:11 PM, Zack Weinberg wrote:
> I believe I understand the problem now, thank you.  And we can't/don't
> use -fvisibility=hidden because then we would have to annotate all of
> the_public_  symbols with visibility default, yes?

That, and on some architectures, it is impossible to call IFUNCs with 
hidden visibility declared to the compiler.

Thanks,
Florian