I tried to compile this small example with ghc-4.08.1, but it didn't work (compiling
ok., but DLL does not run), while with ghc-4.05 everything is okay. What can be wrong
with this?
Christian Lescher
> -----Urspr> �ngliche Nachricht-----
> Von: Sigbjorn Finne [SMTP:[EMAIL PROTECTED]]
> Gesendet am: Donnerstag, 17. August 2000 20:18
> An: 'Christian Lescher'
> Cc: [EMAIL PROTECTED]
> Betreff: RE: Using Haskell code in VBA (MS Access)?
>
>
> The support libraries for HaskellDirect provide
> functions for converting between BSTRs and Haskell'
> String (Com.marshallBSTR, Com.unmarshallBSTR) --
> http://www.dcs.gla.ac.uk/fp/software/hdirect/user-32.html
>
> has the overview. However, the binaries available for
> that library is for ghc-4.045, so you'd have to compile
> them up yourself for ghc-4.08.
>
> To build a 'static' DLL, here's what you need to do:
>
> - compile up all your Haskell code using -static.
> - write a .def file containing the entry points you
> want to expose. In my example, the .def file would
> just contain:
>
> EXPORTS
> adder@8
>
> - link the static DLL:
>
> ghc-4.05 -static --mk-dll -optdll--def=adder.def \
> -o adder.dll adder.o dllMain.o -lHSrts
>
> I heard some rumours that -static might disappear. If that's
> the case, I think that would be unfortunate.
>
> --sigbjorn
>
> Christian Lescher <[EMAIL PROTECTED]> writes:
> >
> > Thank you for your detailed answer - it's really great, it works! :-)
> >
> > However, I have got one more problem: the function I want to
> > call from VBA is of
> > type String -> String -> String
> > Is there a (simple) method to convert VBA strings (BSTR) to
> > Haskell's [Char] and
> > vice versa?
> >
> > By the way: Is it possible to build DLLs that do not depend
> > on GHC's runtime DLLs?
> > I tried out the "-static" option like for compiling EXEs, but
> > it didn't work.
> >
> > CL
> >
> >
>
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