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

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