gnuemacs m- and s- files (AIX3) UPDATES

Sat Aug 11 02:34:29 AEST 1990

I have been able to get GNU EMACS 18.55 compiled and running (nominally)
under AIX 3.1, release 9021.  I have tested very little, except for basic
editing and the M-x shell command.  Note that the emacs produced is not
'pre-loaded', so some LISP files are loaded at each invokation (so what's a
few seconds.)  I haven't tried to look at the above, nor have I tried X
support at all.

The following are:

	1.  replacements for m-ibmr2.h and s-aix3-1.h.
	2.  context diffs for src/Makefile and src/sysdep.c
		Makefile was changed to use /lib/cpp instead of cc -E, due
		to a bug/misfeature.  (Has been reported to IBM.)
		sysdep requires removal of a #include <sys/sioctl.h> line.
	3.  other required files are at byron.u.washington.edu in
	    pub/aix/rs6000, where I got the originals for the .h files.
	    Thanks to Eliot Lim for supplying them.  These are being sent
	    back to him.

Is anyone working on dump or X?  I may, but may not have the time or expertise.

Steve

-------------------------------------------------------------------------
Steve Roseman
Lehigh University Computing Center
LUSGR at VAX1.CC.Lehigh.EDU

----- m-ibmr2.h -----
/* sccsid = "com/gnuemacs/src,3.1,9005 90/02/07 2/7/90 16:46:12"  */
/* Modified by Richard Hasting, 28 Nov 89 */
/* Modified by Dale Reed, 26 Nov 89 */
/* Modified by David Alpern, 26 Aug 88 */

/* R2 AIX machine/system dependent defines
   Copyright (C) 1988 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.  No author or distributor
accepts responsibility to anyone for the consequences of using it
or for whether it serves any particular purpose or works at all,
unless he says so in writing.  Refer to the GNU Emacs General Public
License for full details.

Everyone is granted permission to copy, modify and redistribute
GNU Emacs, but only under the conditions described in the
GNU Emacs General Public License.   A copy of this license is
supposed to have been given to you along with GNU Emacs so you
can know your rights and responsibilities.  It should be in a
file named COPYING.  Among other things, the copyright notice
and this notice must be preserved on all copies.  */

/* The following three symbols give information on
 the size of various data types.  */

#define SHORTBITS 16		/* Number of bits in a short */

#define INTBITS 32		/* Number of bits in an int */

#define LONGBITS 32		/* Number of bits in a long */

/* Define BIG_ENDIAN iff lowest-numbered byte in a word
   is the most significant byte.  */

#define BIG_ENDIAN

/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
 * group of arguments and treat it as an array of the arguments.  */

#define NO_ARG_ARRAY

/* Define how to take a char and sign-extend into an int.
   On machines where char is signed, this is a no-op.  */

#define SIGN_EXTEND_CHAR(c) ((((int) (c)) << 24) >> 24)

/* Now define a symbol for the cpu type, if your compiler
   does not define it automatically.  */

#define IBMR2AIX

/* Use type int rather than a union, to represent Lisp_Object */
/* This is desirable for most machines.  */

#define NO_UNION_TYPE

/* 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 

/* When auto-dump is working, comment out CANNOT_DUMP
   so emacs will use unexaix.o */
#define UNEXEC unexaix.o

/* Define addresses, macros, change some setup for dump */

#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))

/* 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 */

/* Specify the font for X to use.  */

#define X_DEFAULT_FONT "Rom11.500"

/* Here override various assumptions in ymakefile */

#define OBJECTS_MACHINE hftctl.o
#define C_SWITCH_MACHINE -D_BSD 
#define LIBS_MACHINE -lrts
#define START_FILES /lib/crt0.o
#define HAVE_DUP2
#define HAVE_GETTIMEOFDAY
#define HAVE_SYSVIPC
#define HAVE_GETWD

----- s-aix3-1.h -----
/* sccsid = "com/gnuemacs/src,3.1,9005 90/01/02 1/2/90 08:11:30"  */
/* Definitions file for GNU Emacs running on AT&T's System V Release 2.0
   Copyright (C) 1985, 1986 Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.  No author or distributor
accepts responsibility to anyone for the consequences of using it
or for whether it serves any particular purpose or works at all,
unless he says so in writing.  Refer to the GNU Emacs General Public
License for full details.

Everyone is granted permission to copy, modify and redistribute
GNU Emacs, but only under the conditions described in the
GNU Emacs General Public License.   A copy of this license is
supposed to have been given to you along with GNU Emacs so you
can know your rights and responsibilities.  It should be in a
file named COPYING.  Among other things, the copyright notice
and this notice must be preserved on all copies.  */

/*
 *	Define symbols to identify the version of Unix this is.
 *	Define all the symbols that apply correctly.
 */

#define USG				/* System III, System V, etc */
#define USG5

/*      Specify IBM AIX version of system */

#define IBMAIX

/*      turn off c prototypes */
#ifndef _NO_PROTO
#define _NO_PROTO
#endif

/*      This symbol should be defined on AIX Version 3  ??????? */
#ifndef _AIX
#define _AIX
#endif

/*      Specify "_BSD" to invoke Berkeley compatibility in header files */
/*#ifndef _BSD
#define _BSD
#endif
*/

/* SYSTEM_TYPE should indicate the kind of system you are using.
 It sets the Lisp variable system-type.  */

#define SYSTEM_TYPE "aix-v3"

/* nomultiplejobs should be defined if your system's shell
 does not have "job control" (the ability to stop a program,
 run some other program, then continue the first one).  */

/* #define NOMULTIPLEJOBS */

/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */

/* #define INTERRUPT_INPUT */

/* Letter to use in finding device name of first pty,
  if system supports pty's.  'p' means it is /dev/ptyp0  */

#define FIRST_PTY_LETTER 'p'

/*
 *	Define HAVE_TERMIO if the system provides sysV-style ioctls
 *	for terminal control.
 */

#define HAVE_TERMIO

/*
 *	Define HAVE_TIMEVAL if the system supports the BSD style clock values.
 *	Look in <sys/time.h> for a timeval structure.
 */

#define HAVE_TIMEVAL

/*
 *	Define HAVE_SELECT if the system supports the `select' system call.
 */

#define HAVE_SELECT 

/*
 *	Define HAVE_PTYS if the system supports pty devices.
 */

#define HAVE_PTYS

/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */

#define HAVE_SOCKETS

/*
 *	Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
 *      The 4.2 opendir, etc., library functions.
 */

/* #define NONSYSTEM_DIR_LIBRARY */

/* Define this symbol if your system has the functions bcopy, etc. */

#define BSTRING

/* subprocesses should be defined if you want to
 have code for asynchronous subprocesses
 (as used in M-x compile and M-x shell).
 This is supposed to work now on system V release 2.  */

#define subprocesses

/* 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 */

/* Define CLASH_DETECTION if you want lock files to be written
   so that Emacs can tell instantly when you try to modify
   a file that someone else has modified in his Emacs.  */

/* #define CLASH_DETECTION */

/* Define SHORTNAMES if the C compiler can distinguish only
   short names.  It means that the stuff in ../shortnames
   must be run to convert the long names to short ones.  */

/* #define SHORTNAMES */

/* We do NOT use the Berkeley (and usg5.2.2) interface to nlist.  */

/* #define NLIST_STRUCT */

/* The file containing the kernel's symbol table is called /unix.  */

#define KERNEL_FILE "/unix"

/* The symbol in the kernel where the load average is found
   is named avenrun.  */

#define LDAV_SYMBOL "avenrun"

/* Special itemss needed to make Emacs run on this system.  */

/*
 *	Make the sigsetmask function go away.  Don't know what the
 *	ramifications of this are, but doesn't seem possible to
 *	emulate it properly anyway at this point.
 */

#define sigsetmask(mask)	/* Null expansion */

/* setjmp and longjmp can safely replace _setjmp and _longjmp,
   but they will run slower.  */

#define _setjmp setjmp
#define _longjmp longjmp

/* On USG systems the system calls are interruptable 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 read sys_read
#define open sys_open
#define write sys_write

#define INTERRUPTABLE_OPEN
#define INTERRUPTABLE_IO

/* On USG systems these have different names */

#define index strchr
#define rindex strrchr

/* USG systems tend to put everything declared static
   into the initialized data area, which becomes pure after dumping Emacs.
   Foil this.  Emacs carefully avoids static vars inside functions.  */

#undef static

/* Compiler bug bites on many systems when default ADDR_CORRECT is used.  */

/* #define ADDR_CORRECT(x) (x) */

/* Prevent -lg from being used for debugging.  Not implemented?  */

#define LIBS_DEBUG

/* Use terminfo instead of termcap.  */

#define TERMINFO

/* prevent some warning messages from ld */

#define LD_SWITCH_SYSTEM -bhalt:4

----- Makefile.diff -----
*** Makefile	Fri Aug 10 11:46:10 1990
--- Makefile-dist	Mon Aug  7 21:12:47 1989
***************
*** 1,4 ****
! CPP = /lib/cpp
  MAKE = make  # BSD doesn't have it as a default.
  #Note: an alternative is  CPP = /lib/cpp

--- 1,4 ----
! CPP = cc -E
  MAKE = make  # BSD doesn't have it as a default.
  #Note: an alternative is  CPP = /lib/cpp

----- sysdep.diff -----
*** sysdep.c	Fri Aug 10 11:46:59 1990
--- sysdep.c-dist	Mon Aug  7 21:50:43 1989
***************
*** 147,158 ****
  #ifdef TIOCGWINSZ
  #ifndef IRIS_4D
  #ifndef mips
- #ifndef IBMAIX
  /* Some USG systems with TIOCGWINSZ need this file; some don't have it.
     We don't know how to distinguish them.
     If this #include gets an error, just delete it.  */
! #include <sys/sioctl.h> 
! #endif
  #endif
  #endif
  #endif
--- 147,156 ----
  #ifdef TIOCGWINSZ
  #ifndef IRIS_4D
  #ifndef mips
  /* Some USG systems with TIOCGWINSZ need this file; some don't have it.
     We don't know how to distinguish them.
     If this #include gets an error, just delete it.  */
! #include <sys/sioctl.h>
  #endif
  #endif
  #endif