--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/sco4.h	Mon Aug 13 11:28:15 2007 +0200
@@ -0,0 +1,110 @@
+/* System description file for SCO 3.2v4.
+   Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+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)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: FSF 19.31. */
+
+/* Contributed by Ian Lance Taylor, ian@cygnus.com.  */
+
+/* SCO is sort of like SVR3.  */
+#include "usg5-3.h"
+#define SC0_R4
+
+#if 0 /* Turned off rather than make the Lisp code check for this. -- rms.
+	 I am assuming that (at least most of) the tests for usg-unix-v
+	 do the right thing for sco3.2v4 also.  Things that *might* be wrong
+	 as a result of turning off these lines include the values of
+	 ange-ftp-remote-shell-file-name (now remsh)
+	 dired-chown-program (now just chown)
+	 lpr-command (now lp)
+	 nntp-buggy-select (now t)
+	 rmail-spool-directory (now /usr/mail?)
+	 and the actions of the function print-region-1.  */
+
+/* SYSTEM_TYPE should indicate the kind of system you are using.  */
+#undef SYSTEM_TYPE
+#define SYSTEM_TYPE "SCO 3.2v4"
+#endif
+
+/* SCO has ptys with unusual names.  */
+#define HAVE_PTYS
+
+#define PTY_ITERATION \
+   for (i = 0; ; i++)
+#define PTY_NAME_SPRINTF \
+  sprintf (pty_name, "/dev/ptyp%d", i);
+#define PTY_TTY_NAME_SPRINTF \
+  sprintf (pty_name, "/dev/ttyp%d", i);
+
+/* Must use 'cc' to link when build with motif toolkit. */
+#ifndef __GNUC__
+#define LINKER "cc"
+#endif
+
+#ifdef HAVE_SOCKETS
+#define LIBS_SYSTEM "-lsocket -lPW"
+
+/* SCO has gettimeofday in socket library */
+/* Autoconf should determine this, but for now, 
+   play safe to avoid error rather than deleting this
+   and risking the wrong result.  */
+#ifndef HAVE_GETTIMEOFDAY
+#define HAVE_GETTIMEOFDAY
+#endif
+#endif
+
+/* This enables configure to tell that we have alloca.  */
+#ifndef LIBS_SYSTEM
+#define LIBS_SYSTEM "-lPW"
+#endif
+
+#ifdef HAVE_X11R5
+/* configure can't get this right linking fails unless -lsocket is used.  */
+#undef HAVE_XSCREENNUMBEROFSCREEN
+#define HAVE_XSCREENNUMBEROFSCREEN
+#endif
+
+/* We don't have -loldX, and we don't need it.  */
+#define LIB_XMENU_LIB
+
+/* SCO does have TIOCGWINSZ.  */
+#undef BROKEN_TIOCGWINSZ
+#define NEED_PTEM_H
+
+/* We need to link with crt1.o and crtn.o.  */
+#define START_FILES "pre-crt0.o /lib/crt1.o"
+#define LIB_STANDARD "-lc /lib/crtn.o"
+
+/* Specify program for etc/fakemail to run.  Define SMAIL if you are
+   using smail, don't for MMDF.  */
+
+#ifdef SMAIL
+#define MAIL_PROGRAM_NAME "/bin/smail -q0"
+#else
+#define MAIL_PROGRAM_NAME "/usr/lib/mail/execmail"
+#endif
+
+/* Tell process_send_signal to use VSUSP instead of VSWTCH.  */
+#define PREFER_VSUSP
+
+/* wjs@wiis.wang.com says SCO 3.2 v4.2 "has sockets",
+   but only for network connections.
+   It doesn't have the kind of sockets that emacsclient.c
+   and emacsserver.c would use.  */
+#define NO_SOCKETS_IN_FILE_SYSTEM