Success Story: Cabal and Dlls
kr.angelov at gmail.com
Wed Jul 26 17:25:14 EDT 2006
I am using the same technique to build VSHaskell itself.
On 7/27/06, Jason Dagit <dagit at codersbase.com> wrote:
> I would like to report that I was able to use Cabal with Visual
> Haskell to build Dlls in windows. I have posted the details about
> this on the Haskell wiki (and started an extremely minimal Cabal
> page). If my content is in the wrong place, please feel free to move
> it (or edit it or whatever).
> The trick was to take the final HSfoo-0.1.o file generated by the
> normal build process (and linked with the DllMain.c code) and tell ghc
> to build a dll. I use -package with each of the dependencies in the
> cabal file to link with the needed libraries. The resulting dll seems
> to be working.
> This approach is a bit hackish and while I've tried to implement as
> much of it as I can in a general way it requires you to hack your
> Setup.lhs file if you want to 1) build static 2) specify your exports
> 3) specify the name of the resulting dll. Also, it's only been tested
> on my setup which uses Visual Haskell so it may not be fit for general
> consumption. Finally, I just started really looking at Cabal
> yestarday so I may not have considered things which an experienced
> Cabal user would think about.
> Is it possible to get this functionality built directly into Cabal so
> that I tell it I want a DLL built from a library and it knows how to
> make it happen?
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