Since wine commit 401288a78dd (make_specfiles: Generate a list of syscalls from the corresponding spec files., 2023-11-16), spec files are used to auto-generate the following files:
- dlls/ntdll/ntsyscalls.h (from dlls/ntdll/ntdll.spec) - dlls/win32u/win32syscalls.h (from dlls/win32u/win32u.spec)