GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
indicate that SIGIO doesn't work by #undef-ing SIGIO. If this file
#includes <signal.h>, then that will re-#define SIGIO and confuse
things. */
+/* XXX This is not correct anymore, there is a BROKEN_SIGIO macro. */
#define SIGMASKTYPE sigset_t