---------- Forwarded message ----------
From: Claude Heiland-Allen <claude@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@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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