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On Wed, Dec 27, 2017 at 1:46 PM, Andreas Schwab <firstname.lastname@example.org> wrote:
> On Dez 27 2017, Zack Weinberg <email@example.com> wrote:
>> On Wed, Dec 27, 2017 at 12:38 AM, Andreas Schwab <firstname.lastname@example.org> wrote:
>>> On Dez 26 2017, Zack Weinberg <email@example.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
>>>> 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.