--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/m/ibmrt-aix.h	Mon Aug 13 11:28:15 2007 +0200
@@ -0,0 +1,142 @@
+/* RTPC AIX machine/system dependent defines
+   Copyright (C) 1988 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="usg5-2-2"  */
+
+/* Now define a symbol for the cpu type, if your compiler
+   does not define it automatically.  */
+
+#ifndef IBMAIX
+#define IBMAIX
+#endif
+
+/* No load average information appears in the AIX kernel.  VRM has this
+   info, and if anyone desires they should fix fns.c to get it out of VRM */
+
+/* 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 addresses, macros, change some setup for dump */
+
+#undef COFF
+#define NO_REMAP
+
+#define TEXT_START 0x10000000
+#define TEXT_END 0
+#define DATA_START 0x20000000
+#define DATA_END 0
+
+/* The data segment in this machine always starts at address 0x20000000.
+   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 0x20000000
+
+#define N_BADMAG(x) BADMAG(x)
+#define N_TXTOFF(x) A_TEXTPOS(x)
+#define N_SYMOFF(x) A_SYMPOS(x)
+#define A_TEXT_OFFSET(HDR) sizeof(HDR)
+#define ADJUST_EXEC_HEADER \
+    unexec_text_start += sizeof(hdr); \
+    unexec_data_start = ohdr.a_dbase
+#undef ADDR_CORRECT
+#define ADDR_CORRECT(x) ((int)(x))
+
+/* This is the offset of the executable's text, from the start of the file.  */
+
+#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
+
+/* 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 C_ALLOCA
+#define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
+
+/* AIX has PTYs, so define here, along with macros needed to make them work. */
+
+#define HAVE_PTYS
+#define PTY_ITERATION for (i=0; i<256; i++)
+#define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptc%d", i);
+
+#define PTY_TTY_NAME_SPRINTF				\
+{ /* Check that server side not already open */		\
+  if ((ioctl (*ptyv, PTYSTATUS, 0) & 0xFFFF) != 0)	\
+    {							\
+      close (*ptyv);					\
+      continue;						\
+    }							\
+  /* And finally to be sure we can open it later */	\
+  sprintf (ptyname, "/dev/pts%d", i);			\
+  signal (SIGHUP,SIG_IGN);				\
+}     /* ignore hangup at process end */
+
+/* TIOCNOTTY doesn't occur on AIX, but the rest
+   of the conditionalized code in process.c does
+   the right thing if we fake this out.  */
+#define TIOCNOTTY IOCTYPE
+
+/* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */
+
+/* Specify the font for X to use.  */
+
+#define X_DEFAULT_FONT "Rom14.500"
+
+/* Here override various assumptions in ymakefile */
+
+/* On AIX 2.2.1, use these definitions instead
+#define C_SWITCH_MACHINE "-I/usr/include -Nn2000"
+#define LIBS_MACHINE "-lX -lrts"
+*/
+
+#define C_SWITCH_MACHINE "-I/usr/include -I/usr/include/bsd -Nn2000"
+#define LIBS_MACHINE "-lXMenu -lX -lsock -lbsd -lrts"
+
+#define OBJECTS_MACHINE "hftctl.o"
+#define START_FILES "/lib/crt0.o"
+/* -lXMenu, -lX must precede -lsock, -lbsd */
+#define LD_SWITCH_MACHINE "-n -T0x10000000 -K -e start"
+
+#if 0 /* I refuse to promulgate a recommendation that would make
+         users unable to debug - RMS.  */
+/* delete the following line to foil optimization, enable debugging */
+#define C_DEBUG_SWITCH "-O"
+#endif
+
+
+/* Setup to do some things BSD way - these won't work previous to AIX 2.1.2 */
+
+#include </usr/include/bsd/BSDtoAIX.h>
+
+/* AIX utimes allegedly causes SIGSEGV.  */
+#undef HAVE_UTIMES /* override configuration decision */
+  
+/* rocky@watson.ibm.com says this is needed.  */
+#define HAVE_FTIME