Earlier quoted context omitted.
Wine has a lot of tests that are run across platforms to check conformance -- https://test.winehq.org/data/ . These are a large part of why it has good compatibility.
With this exact point in mind: I've recently written a pretty straight forward win32 c implementation of a utility with some context dependent window interactions and a tray icon to help monitor and facility reload of config file. Is there any way I can use the Wine project to facilitate this compiling and running straight under x11/linux environment as a integrated project that doesn't require the end user to fiddle…
I believe that's what Winelib is for: https://gitlab.winehq.org/wine/wine/-/wikis/Winelib-User's-G...