I struggled with this many times and at the end of the day threw down the towel and just wrapped everything in plain C exports. That's the only way I know to ge

I struggled with this many times and at the end of the day threw down the towel and just wrapped everything in plain C exports. That's the only way I know to get ABI compatibility across different compilers/toolsets/versions. COM-like constructs come as a close second. It's an unfortunate state.