[bpt/emacs.git] / src / s / usg5-0.h

/* Definitions file for GNU Emacs running on AT&T's System V.0
   Copyright (C) 1985, 1986, 1999 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 GNU Emacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


/*
 *	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
#define	USG5_0

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

#define SYSTEM_TYPE "usg-unix-v"

/* 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_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

/* 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"
\f
/* Special hacks 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 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.  */

#define 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

/* arch-tag: a18bdba9-506d-40ed-9877-49fc27ce8cac
   (do not change this comment) */
Commit	Line	Data
9b71f02b	1	/* Definitions file for GNU Emacs running on AT&T's System V.0
bb7b4368	2	Copyright (C) 1985, 1986, 1999 Free Software Foundation, Inc.
9b71f02b JB	3
	4	This file is part of GNU Emacs.
	5
	6	GNU Emacs is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
17385adc	8	the Free Software Foundation; either version 2, or (at your option)
9b71f02b JB	9	any later version.
	10
	11	GNU Emacs is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GNU Emacs; see the file COPYING. If not, write to
3b7ad313 EN	18	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
3b7ad313 EN	19	Boston, MA 02111-1307, USA. */
9b71f02b JB	20
	21
	22	/*
	23	* Define symbols to identify the version of Unix this is.
	24	* Define all the symbols that apply correctly.
	25	*/
	26
	27	#define USG /* System III, System V, etc */
	28
	29	#define USG5
	30	#define USG5_0
	31
	32	/* SYSTEM_TYPE should indicate the kind of system you are using.
	33	It sets the Lisp variable system-type. */
	34
	35	#define SYSTEM_TYPE "usg-unix-v"
	36
	37	/* nomultiplejobs should be defined if your system's shell
	38	does not have "job control" (the ability to stop a program,
	39	run some other program, then continue the first one). */
	40
	41	#define NOMULTIPLEJOBS
	42
	43	/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
	44
	45	/* #define INTERRUPT_INPUT */
	46
	47	/* Letter to use in finding device name of first pty,
	48	if system supports pty's. 'p' means it is /dev/ptyp0 */
	49
	50	#define FIRST_PTY_LETTER 'p'
	51
	52	/*
	53	* Define HAVE_TERMIO if the system provides sysV-style ioctls
	54	* for terminal control.
	55	*/
	56
	57	#define HAVE_TERMIO
	58
9b71f02b JB	59	/*
	60	* Define HAVE_PTYS if the system supports pty devices.
	61	*/
	62
	63	/* #define HAVE_PTYS */
	64
	65	/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
	66
	67	/* #define HAVE_SOCKETS */
	68
	69	/*
	70	* Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
	71	* The 4.2 opendir, etc., library functions.
	72	*/
	73
	74	#define NONSYSTEM_DIR_LIBRARY
	75
	76	/* Define this symbol if your system has the functions bcopy, etc. */
	77
	78	/* #define BSTRING */
	79
	80	/* subprocesses should be defined if you want to
	81	have code for asynchronous subprocesses
	82	(as used in M-x compile and M-x shell).
	83	This is supposed to work now on system V release 2. */
	84
	85	#define subprocesses
	86
	87	/* If your system uses COFF (Common Object File Format) then define the
	88	preprocessor symbol "COFF". */
	89
	90	#define COFF
	91
	92	/* define MAIL_USE_FLOCK if the mailer uses flock
	93	to interlock access to /usr/spool/mail/$USER.
	94	The alternative is that a lock file named
	95	/usr/spool/mail/$USER.lock. */
	96
	97	/* #define MAIL_USE_FLOCK */
	98
	99	/* Define CLASH_DETECTION if you want lock files to be written
	100	so that Emacs can tell instantly when you try to modify
	101	a file that someone else has modified in his Emacs. */
	102
	103	/* #define CLASH_DETECTION */
	104
	105	/* Define SHORTNAMES if the C compiler can distinguish only
	106	short names. It means that the stuff in ../shortnames
	107	must be run to convert the long names to short ones. */
	108
	109	#define SHORTNAMES
	110
9b71f02b JB	111	/* The file containing the kernel's symbol table is called /unix. */
	112
	113	#define KERNEL_FILE "/unix"
	114
	115	/* The symbol in the kernel where the load average is found
	116	is named avenrun. */
	117
	118	#define LDAV_SYMBOL "avenrun"
	119	\f
	120	/* Special hacks needed to make Emacs run on this system. */
	121
	122	/*
	123	* Make the sigsetmask function go away. Don't know what the
	124	* ramifications of this are, but doesn't seem possible to
	125	* emulate it properly anyway at this point.
	126	*/
	127
	128	#define sigsetmask(mask) /* Null expansion */
	129
	130	/* setjmp and longjmp can safely replace _setjmp and _longjmp,
	131	but they will run slower. */
	132
	133	#define _setjmp setjmp
	134	#define _longjmp longjmp
	135
9b71f02b JB	136	/* On USG systems these have different names */
	137
	138	#define index strchr
	139	#define rindex strrchr
	140
	141	/* USG systems tend to put everything declared static
	142	into the initialized data area, which becomes pure after dumping Emacs.
	143	Foil this. Emacs carefully avoids static vars inside functions. */
	144
	145	#define static
	146
	147	/* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
	148
	149	#define ADDR_CORRECT(x) (x)
	150
	151	/* Prevent -lg from being used for debugging. Not implemented? */
	152
	153	#define LIBS_DEBUG
ab5796a9 MB	154
	155	/* arch-tag: a18bdba9-506d-40ed-9877-49fc27ce8cac
	156	(do not change this comment) */