--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/iris3-6.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,98 @@
+/* Definitions file for GNU Emacs running on Silicon Graphics system 3.6.
+   Copyright (C) 1987 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. */
+
+/*
+ *	Define symbols to identify the version of Unix this is.
+ *	Define all the symbols that apply correctly.
+ */
+
+#define USG
+#define USG5
+#define IRIS
+
+/* SYSTEM_TYPE should indicate the kind of system you are using.
+ It sets the Lisp variable system-type.  */
+
+#define SYSTEM_TYPE "irix"
+
+/* Letter to use in finding device name of first pty,
+  if system supports pty's.  'a' means it is /dev/ptya0  */
+
+#define FIRST_PTY_LETTER 'a'
+
+/*
+ *	Define HAVE_PTYS if the system supports pty devices.
+ */
+
+#define HAVE_PTYS
+
+/* If your system uses COFF (Common Object File Format) then define the
+   preprocessor symbol "COFF". */
+
+/* #define COFF */
+
+/* define MAIL_USE_FLOCK if the mailer uses flock
+   to interlock access to /usr/spool/mail/$USER.
+   The alternative is that a lock file named
+   /usr/spool/mail/$USER.lock.  */
+
+#define MAIL_USE_FLOCK
+
+/* The file containing the kernel's symbol table is called /vmunix.  */
+
+#define KERNEL_FILE "/vmunix"
+
+/* The symbol in the kernel where the load average is found
+   is named _avenrun.  */
+
+#define LDAV_SYMBOL "_avenrun"
+
+
+/* Special hacks needed to make Emacs run on this system.  */
+
+/* The IRIS defines SIGIO in signal.h, but doesn't implement it. */
+#define BROKEN_SIGIO
+
+#define LIBS_MACHINE -lbsd -ldbm -lPW
+#define C_SWITCH_MACHINE -I/usr/include/bsd
+
+/* On USG systems the system calls are interruptible by signals
+ that the user program has elected to catch.  Thus the system call
+ must be retried in these cases.  To handle this without massive
+ changes in the source code, we remap the standard system call names
+ to names for our own functions in sysdep.c that do the system call
+ with retries. */
+
+#define INTERRUPTIBLE_OPEN
+#define INTERRUPTIBLE_IO
+
+/* Compiler bug bites on many systems when default ADDR_CORRECT is used.  */
+
+#define ADDR_CORRECT(x) (int)((char *)(x) - (char*)0)
+
+/* some errno.h's don't actually allocate the variable itself */
+
+#define NEED_ERRNO
+
+/* This is how to get the device name of the tty end of a pty.  */
+#define PTY_TTY_NAME_SPRINTF \
+ 	    sprintf (ptyname, "/dev/ttyq%d", minor (stb.st_rdev));