From: Gareth Reeves <reevesg@...>
Date: 2006-03-11T22:58:08+09:00
Subject: Re: C++ DLL example

Mark Volkmann wrote:
> Can someone point me to a simple example of calling a C++ function from 
> Ruby?
> I know how to do it with SWIG, but I'm trying to learn how to do it
> without SWIG.
> I'd like to do this under Windows and have the C++ code in a DLL.
> No Windows APIs will be invoked. I just want to do something simple in
> C++ like this
> 
> static void greet(const string& name) {
>   cout << "Hello " << name << endl;
> }
> 
> and invoke the greet function from Ruby.
> 
> I know how to build a DLL using VC++ 8.
> I suspect the issue is that I don't have the right setup in my .cpp 
> file.

I had a question on C++ extensions that contained some code examples. 
Its here http://www.ruby-forum.com/topic/57404#new.

Gareth


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