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/* machine description file for the Motorola delta running System V.3.X
   tested on mvme147.
   Copyright (C) 1986, 1993 Free Software Foundation, Inc.
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This file is part of GNU Emacs.

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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.

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GNU Emacs is distributed in the hope that it will be useful,
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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.
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You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
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/* The following line tells the configuration script what sort of 
   operating system this machine is likely to run.
   USUAL-OPSYS="usg5-3"  */

/* 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 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:
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   Ones defined so far include vax, m68000, ns16000, pyramid,
   orion, tahoe, APOLLO and many others */
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#define m68000
#define MOTOROLA_DELTA
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/* Use type int rather than a union, to represent Lisp_Object */
/* This is desirable for most machines.  */

#define NO_UNION_TYPE 
#define SWITCH_ENUM_BUG
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/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
   the 24-bit 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 long */

/* 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 / FSCALE) */

/* 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 data space precedes text space,
   numerically.  */

/* #define 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.  */

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/* #define C_ALLOCA */
/* #define HAVE_ALLOCA */
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/* Define NO_REMAP if memory segmentation makes it not work well
   to change the boundary between the text section and data section
   when Emacs is dumped.  If you define this, the preloaded Lisp
   code will not be sharable; but that's better than failing completely.  */
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#define NO_REMAP
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/* Some really obscure 4.2-based systems (like Sequent DYNIX)
 * do not support asynchronous I/O (using SIGIO) on sockets,
 * even though it works fine on tty's.  If you have one of
 * these systems, define the following, and then use it in
 * config.h (or elsewhere) to decide when (not) to use SIGIO.
 *
 * You'd think this would go in an operating-system description file,
 * but since it only occurs on some, but not all, BSD systems, the
 * reasonable place to select for it is in the machine description
 * file.
 */

/* #define NO_SOCK_SIGIO */


/* Define these if you want to edit files up to 32Mbytes.
   Leaving them undefined (files up to 8 Mbytes) should be more efficient. */
  
/* #define VALBITS 26
   #define GCTYPEBITS 5 */

/* Machine specific stuff */

#define BSTRING
#define HAVE_PTYS
#define SYSV_PTYS
#define HAVE_SELECT
#define HAVE_SOCKETS		/***** only if NSE has been installed *****/
#define HAVE_UNISTD_H
#define HAVE_TIMEVAL
#define SIGNALS_VIA_CHARACTERS
#define memmove memcpy		/* memmove not provided until R3V7 */
#undef KERNEL_FILE
#define KERNEL_FILE "/sysv68"
#undef LDAV_SYMBOL

/* The standard C library is -lc881, not -lc.
   -lbsd brings sigblock and sigsetmask.
   DO NOT USE -lPW. That version of alloca is broken, at last until version
   R3V7. -riku@field.fi -pot@cnuce.cnr.it. */
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#define LIB_STANDARD -lc881
#define LIB_MATH -lm881
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#define LIBS_TERMCAP -lcurses
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#define LIBS_SYSTEM -lbsd
#undef sigsetmask
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#ifdef HAVE_X_WINDOWS
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/* not sure if this makes sense any more */
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/* debug switches enabled because of some difficulties w/X11 */
# define C_DEBUG_SWITCH -g
# define OBJECTS_MACHINE -lg
# define C_OPTIMIZE_SWITCH
# define CANNOT_DUMP
/*# define XDEBUG*/
# define X11
/* X library is in 'nonstandard' location. */
# define LD_SWITCH_MACHINE -L/usr/lib/X11/
#endif /* HAVE_X_WINDOWS */

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#ifdef __GNUC__
 /* Use builtin one. Also be sure that no other ones are tried out. */
# define alloca __builtin_alloca
# define HAVE_ALLOCA
#else
 /* Not __GNUC__, use the one in alloca.s. */

 /* Try to guess if we are using the Green Hills Compiler */
# if defined mc68000 && defined MC68000
 /* Required only for use with Green Hills compiler:
	-ga	 Because alloca relies on stack frames. This option forces
		 the Green Hills compiler to create stack frames even for
		 functions with few local variables. */
#  define C_SWITCH_MACHINE -ga
# endif
#endif /* __GNUC__ */
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189 190

/* emacs19 beta release stuff */
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/* crt0.c should use the vax-bsd style of entry, with no dummy args.  */

/* emacs's magic number isn't temacs's;
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   temacs is writable text (the default!).  */

/* Don't use interrupt I/O */
#undef INTERRUPT_INPUT
#undef SIGIO

#define CLASH_DETECTION