Object.factory() and exe file size bloat

[Benjamin Thaut via Digitalmars-d]

On Saturday, 22 August 2015 at 09:44:48 UTC, Martin Nowak wrote:
>
> The export seems to be an arbitrary rule (and export is really 
> broken currently).
> Let's just use every class that is linked into the binary (e.g. 
> weakly referencing them), then it'll naturally work with all 
> linker functionalities.
>
> This doesn't only affect Object.factory but also 
> ModuleInfo.localClasses.
> I'd suggest we first add a new internal array of weakly linked 
> classes, turn localClasses into an opApply function or range so 
> it automatically skips null classes (weakly undefined), then 
> change Object.factory to only load weakly linked classes.
>
> For an intermediate time we can keep the old array and print a 
> deprecation warning in Object.factory when a class would no 
> longer be available.
> https://github.com/D-Programming-Language/dmd/pull/4638

How do you implement weak linking? It would be really usefull for 
my DLL work as well, but I couldn't find any way to make it work 
with the microsoft linker.