ldbl_hidden_weak??

[Zack Weinberg]

On Wed, Dec 27, 2017 at 1:46 PM, Andreas Schwab <schwab@linux-m68k.org> wrote:
> On Dez 27 2017, Zack Weinberg <zackw@panix.com> wrote:
>
>> On Wed, Dec 27, 2017 at 12:38 AM, Andreas Schwab <schwab@linux-m68k.org> wrote:
>>> On Dez 26 2017, Zack Weinberg <zackw@panix.com> wrote:
>>>
>>>> The problem is what to put where it says /* ??? */.  It can't be
>>>> libc_hidden_weak (name), that gives me
>>>>
>>>> iovsprintf.c:50:93: error: ‘__EI_vsprintf’ aliased to undefined symbol
>>>> ‘__GI_vsprintf’
>>>>  ldbl_hidden_weak (__IO_vsprintf, vsprintf)
>>>
>>> I think that means you are missing a preceding ldbl_hidden_proto.
>>
>> There is no such thing as ldbl_hidden_proto.
>
> Then you need to implement it.

In fact, no, the key piece that turns out to be missing is libc_hidden_weak_ver.

zw