So I have this big chunk of legacy C++ code, I don't want to rewrite it, because it's a huge horrible mess and I don't have the source code of all its dependenc

So I have this big chunk of legacy C++ code, I don't want to rewrite it, because it's a huge horrible mess and I don't have the source code of all its dependencies anyway. So I'm gonna compile it to native code and run it as a CGI. What could possibly go wrong?