On 10/28/2020 11:00 PM, noosphere@mailc.net wrote:
> Ken Brown on the Cygwin mailing list posted the following patch, which worked for me:
> 
> --- a/src/emacs.c
> +++ b/src/emacs.c
> @@ -170,7 +170,7 @@ #define MAIN_PROGRAM
>       We mark being in the exec'd process by a daemon name argument of
>       form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors,
>       NAME is the original daemon name, if any. */
> -#if defined NS_IMPL_COCOA || (defined HAVE_NTGUI && defined CYGWIN)
> +#if defined NS_IMPL_COCOA || defined CYGWIN
>    # define DAEMON_MUST_EXEC
>    #endif
> 

The full patch (with commit message) is attached.  Eli, is this OK for the 
emacs-27 branch?

Ken