* configure.in: Remove references to obsolete variables and
[bpt/emacs.git] / src / s / usg5-2-2.h
CommitLineData
9b71f02b 1/* Definitions file for GNU Emacs running on AT&T's System V Release 2.2
429ab54e 2 Copyright (C) 1985, 1986, 1999, 2001, 2002, 2003, 2004,
01122546 3 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
9b71f02b
JB
4
5This file is part of GNU Emacs.
6
7GNU Emacs is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
4a9f99bd 9the Free Software Foundation; either version 3, or (at your option)
9b71f02b
JB
10any later version.
11
12GNU Emacs is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU Emacs; see the file COPYING. If not, write to
364c38d3
LK
19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA. */
9b71f02b
JB
21
22
23/*
24 * Define symbols to identify the version of Unix this is.
25 * Define all the symbols that apply correctly.
26 */
27
28#define USG /* System III, System V, etc */
29
30#define USG5
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
9b71f02b
JB
105/* The file containing the kernel's symbol table is called /unix. */
106
107#define KERNEL_FILE "/unix"
108
109/* The symbol in the kernel where the load average is found
110 is named avenrun. */
111
112#define LDAV_SYMBOL "avenrun"
113\f
114/* Special hacks needed to make Emacs run on this system. */
115
116/*
117 * Make the sigsetmask function go away. Don't know what the
118 * ramifications of this are, but doesn't seem possible to
119 * emulate it properly anyway at this point.
120 */
121
122#define sigsetmask(mask) /* Null expansion */
123
124/* setjmp and longjmp can safely replace _setjmp and _longjmp,
125 but they will run slower. */
126
127#define _setjmp setjmp
128#define _longjmp longjmp
129
9b71f02b
JB
130/* On USG systems these have different names */
131
132#define index strchr
133#define rindex strrchr
134
135/* USG systems tend to put everything declared static
136 into the initialized data area, which becomes pure after dumping Emacs.
137 Foil this. Emacs carefully avoids static vars inside functions. */
138
139#define static
140
141/* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
142
143#define ADDR_CORRECT(x) (x)
144
145/* Prevent -lg from being used for debugging. Not implemented? */
146
147#define LIBS_DEBUG
148
149/* Use terminfo instead of termcap. */
150
151#define TERMINFO
ab5796a9
MB
152
153/* arch-tag: 56923f22-9e2b-4814-b922-88c87657ff6b
154 (do not change this comment) */