--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/m/ibmrt.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,124 @@
+/* RTPC machine dependent defines 
+   Copyright (C) 1986 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. */
+
+/* The following line tells the configuration script what sort of 
+   operating system this machine is likely to run.
+   USUAL-OPSYS="bsd4-2"  */
+
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts.  */
+
+#define WORD_MACHINE
+
+/* Now define a symbol for the cpu type, if your compiler
+   does not define it automatically.  */
+
+/* XEmacs change */
+#ifndef ibmrt
+#define ibmrt
+#endif
+#ifndef romp
+#define romp /* unfortunately old include files are hanging around.  */
+#endif
+
+/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
+   the bit field into an int.  In other words, if bit fields
+   are always unsigned.
+
+   If you use NO_UNION_TYPE, this flag does not matter.  */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Data type of load average, as read out of kmem.  */
+
+#define LOAD_AVE_TYPE double	/* For AIS (sysV) */
+
+/* Convert that into an integer that is 100 for a load average of 1.0  */
+
+#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
+
+/* Define CANNOT_DUMP on machines where unexec does not work.
+   Then the function dump-emacs will not be defined
+   and temacs will do (load "loadup") automatically unless told otherwise.  */
+
+/* #define CANNOT_DUMP */
+
+/* Define VIRT_ADDR_VARIES if the virtual addresses of
+   pure and impure space as loaded can vary, and even their
+   relative order cannot be relied on.
+
+   Otherwise Emacs assumes that text space precedes data space,
+   numerically.  */
+
+#undef VIRT_ADDR_VARIES
+
+/* Define C_ALLOCA if this machine does not support a true alloca
+   and the one written in C should be used instead.
+   Define HAVE_ALLOCA to say that the system provides a properly
+   working alloca function and it should be used.
+   Define neither one if an assembler-language alloca
+   in the file alloca.s should be used.  */
+
+#define HAVE_ALLOCA
+
+/* The data segment in this machine starts at a fixed address.
+   An address of data cannot be stored correctly in a Lisp object;
+   we always lose the high bits.  We must tell XPNTR to add them back.  */
+
+#define DATA_SEG_BITS 0x10000000
+#define DATA_START    0x10000000
+
+/* The text segment always starts at a fixed address.
+   This way we don't need to have a label _start defined.  */
+#define TEXT_START 0
+
+/* Taking a pointer to a char casting it as int pointer */
+/* and then taking the int which the int pointer points to */
+/* is practically guaranteed to give erroneous results */
+
+#define NEED_ERRNO
+
+#define SKTPAIR
+
+/* Special switches to give the C compiler.  */
+
+#ifndef __GNUC__
+#define C_SWITCH_MACHINE -Dalloca=_Alloca
+#endif
+
+/* XEmacs addition: */
+/* Under Mach at least, gcc doesn't seem to work as the linker. */
+#ifdef MACH
+#define START_FILES pre-crt0.o
+#ifdef __GNUC__
+#define LINKER pcc
+#endif
+#endif
+
+/* Don't attempt to relabel some of the data as text when dumping.
+   It does not work because their virtual addresses are not consecutive.
+   This enables us to use the standard crt0.o.  */
+
+#define NO_REMAP
+
+/* Use the bitmap files that come with Emacs.  */
+#define EMACS_BITMAP_FILES