[cfe-dev] Fwd: Weird linking problem on Windows

[İsmail Dönmez]

Hi,

On Sat, Feb 21, 2015 at 3:19 AM, Larisse Voufo <lvoufo at google.com> wrote:
>
> On Fri, Feb 20, 2015 at 1:09 AM, İsmail Dönmez <ismail at donmez.ws> wrote:
>>
>> Hi again,
>>
>> On Wed, Feb 18, 2015 at 8:09 PM, İsmail Dönmez <ismail at donmez.ws> wrote:
>> > On Wed, Feb 18, 2015 at 7:40 PM, Reid Kleckner <rnk at google.com> wrote:
>> >> The operator delete missing symbol has to do with some sized operator
>> >> delete
>> >> C++14 dust that hasn't settled yet. We used to emit an implicit weak
>> >> definition of sized operator delete, but that caused ELF linkers to
>> >> pull in
>> >> more static archive members causing link failures, so we recently
>> >> stopped
>> >> doing it. We should probably revert the default back to emitting a weak
>> >> definition.
>> >
>> > Makes sense. Thanks for the explanation.
>>
>> Larisse, any comment on this? It would be nice to unbreak c++14 on
>> Windows.
>
>
> It turns out that there is really no good way to make the weak definitions
> option work reliably.
> So, we are in a bit of a tough spot for now... You can still use the weak
> definitions options with
> "-Xclang -fdefine-sized-deallocation" or turn the feature off completely
> with
> "-Xclang -fno-sized-deallocation". A much better option is to link to a
> library that actually
> implements sized delete.
> I understand that none of these options are ideal, but that's what we have
> at the moment. :-/

Thats a good workaround for now, thanks!