Issues with undefined symbols when using Vibe on Windows

[bauss]

On Friday, 29 June 2018 at 19:25:42 UTC, Chris M. wrote:
> This doesn't appear to specifically be a Vibe issue, just 
> noticing this error when I use eventcore from it (trying to use 
> async).
>
> C:\dmd2\windows\bin\lld-link.exe: warning: 
> eventcore.lib(sockets_101f_952.obj): undefined symbol: 
> SetWindowLongPtrA
> C:\dmd2\windows\bin\lld-link.exe: warning: 
> eventcore.lib(sockets_101f_952.obj): undefined symbol: 
> GetWindowLongPtrA
>
> I'm using DMD 2.080 from the zip file provided on the downloads 
> page, plus DMC (unfortunately acquiring a Visual Studio license 
> would not be easy at my workplace, and I don't see how to use 
> the provided DMD installer without it). As far as I can tell, 
> this issue seems to be happening because user32.lib from the 
> windows/lib64/mingw folder does not define these two functions. 
> Seems to work when I build the project as 32-bit though. 
> Wondering if someone could double-check my reasoning here.

Are you compiling to 64bit?

Else the functions will be named GetClassLongA and SetClassLongA