[OpenWalnut-Dev] W_LOADABLE_MODULE

[Sebastian Eichelbaum]

Simple answer: yes there is a way do get it working in OW and a toolbox:

keep the WToolBox.cpp and h file. Do not use WLoadableModule. The dataCreator module for example can be used as inspiration.

Bye
Sebastian

On Fri, 12 Apr 2013, Mathias Goldau wrote:

> Hi Alex,
> 
> I think you made the point clear that marking module for our
> moduleLoader is different in the Toolbox and in the OW repository.
> The problem is, that in OW repo each module becomes *one* shared
> object or dynamic lib, while in the Toolbox all modules are packed
> into one shared library. Thats is the reason why it is different.
> 
> Some days ago, I coded the gaussianProcess stuff and had a similar
> setup, as I wanted to have a new experminetal DataSet for two
> modules. So I put also two modules into one OW module, and it was
> the very same way I had to deal with the W_LOADABLE_MODULE stuff as
> we have it now within the Toolbox.
> 
> Comming now to an answer on whether it will be possible to unify
> both approaches or not. I can not clearly say if it will be
> possible, I guess that a shared object could not have multiple
> symbols with the same name. And as I read the W_LOADABLE_MODULE
> macro in WModule.h I hardly remember that you can only use
> W_LOADABLE_MODULE macro *once* within your library. I fear this is
> the reason.
> 
> However, I could imagine that we could split up the macro into two
> parts, but than W_LOADABLE_MODULE might loose its beauty, but I
> would wait on Sebastian's comment on that.
> 
> HTH, math
> 
> On 04/11/2013 10:28 PM, Alexander Wiebel wrote:
> >Hi fellow developers,
> >maybe I am trying to do something you consider to be strange.
> >Nevertheless, I would like to hear your opinion on the following.
> >
> >I want to maintain a module in the modules repository, i.e. separately
> >from the main OpenWalnut repo. I followed the example and used a
> >"WToolkit.cpp" file as shown. ... it works. Then I tried to use the same
> >code of the same module in another OpenWalnut by simply copying the
> >module's directory into "src/modules" of the other OpenWalnut and adding
> >the module to a toolbox. However, when I do this I need to add the
> >W_LOADABLE_MODULE line to make it compile. So far so good. One could
> >think, that I can simply add the same line to the modules repo. However,
> >if I do this it conflicts with the WLoadModule stuff in WToolkit.cpp.
> >
> >I hope you were able to follow my explanations. Now my question is: Is
> >there a way to have code that works for both variants, i.e. in
> >"src/modules" and in a separate repo with WToolkit?
> >
> >Cheers,
> >Alex
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> >
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> >
> 
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-- 
Dipl.-Inf. Sebastian Eichelbaum
Universität Leipzig
Institut für Informatik
Abteilung Bild- und Signalverarbeitung
PF 100920
D-04009 Leipzig