> > Use a build listed here ---> http://mamedev.org/release.html > > I prefer to use my own builds and there is nothing wrong with doing it and asking > about issues about it. My build environment is setup correctly. Thank you for the > non-answer.
To answer the question, it seems to happen on Windows builds with the new MinGW build tools, hence why it happens in the official release as well as your own build. It's probably harmless as long as you don't try using emulated network cards in drivers like the PC compatibles and 68k Macs.