On Thu, Nov 12, 2020 at 10:49 PM Moore, Robert <robert.moore@xxxxxxxxx> wrote: > > 1>c:\acpica\source\components\utilities\utdelete.c(270): warning C4013: '__attribute__' undefined; assuming extern returning int > 1>c:\acpica\source\components\utilities\utdelete.c(270): error C2065: '__fallthrough__': undeclared identifier > 1>c:\acpica\source\components\utilities\utdelete.c(272): error C2143: syntax error: missing ';' before 'case' Can you share a minimized sample with the `cl` version and command-line options? Cheers, Miguel