Evolution of ELF symbol management

[Florian Weimer]

On 11/20/2016 12:13 PM, Mike Frysinger wrote:
> On 25 Oct 2016 16:32, Florian Weimer wrote:
>> On 10/18/2016 06:49 PM, Joseph Myers wrote:
>>> In fact we have evidence
>>> <https://sourceware.org/ml/libc-alpha/2014-09/msg00017.html> that the
>>> headers have had problems for a long time for compilers not defining
>>> __GNUC__, and those include problems relating to redirection.
>>
>> Ugh.
>>
>> Part of the problem is that we don't have a C89 or C++98 implementation
>> with which we can test easily.  I'm not aware of any way to turn GCC or
>> Clang into a C89-only or a C++98-only compiler (and you said we'd need
>> some extensions anyway).
>
> you mean specifically non-GNU extensions ?  does having gcc-2.95.3 help ?

No, because most of the the GNU stuff is already in that version.

I have a 2.7.2 build somewhere, and checked recently that at least some 
of the headers still work with it.  But that doesn't tell us all that 
much about C89 compatibility.

Florian