[Haskell-cafe] Unable to call function from DLL using FFI

[rajendra prasad]

Hi,

Thanks for very quick reply Claude. Your suggestion resolved the issue.
Using extern "C" worked for me.

Thank you very much.

Thanks to all.

Regards,
Rajendra


>
> ---------- Forwarded message ----------
> From: Claude Heiland-Allen <claude at goto10.org>
> Date: Wed, Mar 14, 2012 at 7:43 PM
> Subject: Re: [Haskell-cafe] Unable to call function from DLL using FFI
> To: haskell-cafe at haskell.org
>
>
> On 14/03/12 14:01, rajendra prasad wrote:
>
>> My c++ code(HelloWorld.cpp) looks like this:
>>
>
> Try adding extern "C" { ... } to use the C ABI instead of a C++ ABI (which
> usually features symbol name mangling to add type information, among other
> things).  (This may not solve the entire problem, but is an important
> puzzle-piece).
>
>
>  __declspec(dllexport) int doubleMe(int a)
>> {
>>     return 2*a;
>> }
>>
>
>
> Claude
>
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