https://bugs.winehq.org/show_bug.cgi?id=53930
--- Comment #3 from Hans Leidekker hans@meelstraat.net --- Created attachment 73490 --> https://bugs.winehq.org/attachment.cgi?id=73490 getopt-compat.h
Here's the header. I can also take a look if you show me how you configure Wine for Clang/MSVC.