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20c428fd | 1 | /* Definitions file for GNU Emacs running on AT&T's System V Release 3 |
bb7b4368 | 2 | Copyright (C) 1987, 1999 Free Software Foundation, Inc. |
20c428fd 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) |
20c428fd 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, |
19 | Boston, MA 02111-1307, USA. */ | |
20c428fd 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 | ||
d2729198 JB |
31 | #define USG5_3 |
32 | ||
20c428fd JB |
33 | /* SYSTEM_TYPE should indicate the kind of system you are using. |
34 | It sets the Lisp variable system-type. */ | |
35 | ||
36 | #define SYSTEM_TYPE "usg-unix-v" | |
37 | ||
38 | /* nomultiplejobs should be defined if your system's shell | |
39 | does not have "job control" (the ability to stop a program, | |
40 | run some other program, then continue the first one). */ | |
41 | ||
42 | #define NOMULTIPLEJOBS | |
43 | ||
44 | /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */ | |
45 | ||
46 | /* #define INTERRUPT_INPUT */ | |
47 | ||
48 | /* Letter to use in finding device name of first pty, | |
49 | if system supports pty's. 'p' means it is /dev/ptyp0 */ | |
50 | ||
51 | #define FIRST_PTY_LETTER 'p' | |
52 | ||
53 | /* | |
54 | * Define HAVE_TERMIO if the system provides sysV-style ioctls | |
55 | * for terminal control. | |
56 | */ | |
57 | ||
58 | #define HAVE_TERMIO | |
59 | ||
20c428fd JB |
60 | /* |
61 | * Define HAVE_PTYS if the system supports pty devices. | |
62 | */ | |
63 | ||
64 | /* Some versions of V.3 have this, but not all. | |
65 | #define HAVE_PTYS | |
66 | #define SYSV_PTYS */ | |
67 | ||
68 | /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */ | |
69 | ||
70 | /* #define HAVE_SOCKETS */ | |
71 | ||
72 | /* | |
73 | * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate | |
74 | * The 4.2 opendir, etc., library functions. | |
75 | */ | |
76 | ||
77 | /* #define NONSYSTEM_DIR_LIBRARY */ | |
78 | ||
79 | /* | |
80 | * Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir | |
81 | * library functions. Almost, but not quite the same as | |
82 | * the 4.2 functions | |
83 | */ | |
84 | #define SYSV_SYSTEM_DIR | |
85 | ||
86 | /* Define this symbol if your system has the functions bcopy, etc. */ | |
87 | ||
88 | /* #define BSTRING */ | |
89 | ||
90 | /* subprocesses should be defined if you want to | |
91 | have code for asynchronous subprocesses | |
92 | (as used in M-x compile and M-x shell). | |
93 | This is supposed to work now on system V release 2. */ | |
94 | ||
95 | #define subprocesses | |
96 | ||
97 | /* If your system uses COFF (Common Object File Format) then define the | |
98 | preprocessor symbol "COFF". */ | |
99 | ||
100 | #define COFF | |
101 | ||
102 | /* define MAIL_USE_FLOCK if the mailer uses flock | |
103 | to interlock access to /usr/spool/mail/$USER. | |
104 | The alternative is that a lock file named | |
105 | /usr/spool/mail/$USER.lock. */ | |
106 | ||
107 | /* #define MAIL_USE_FLOCK */ | |
108 | ||
109 | /* Define CLASH_DETECTION if you want lock files to be written | |
110 | so that Emacs can tell instantly when you try to modify | |
111 | a file that someone else has modified in his Emacs. */ | |
112 | ||
113 | /* #define CLASH_DETECTION */ | |
114 | ||
115 | /* Define SHORTNAMES if the C compiler can distinguish only | |
116 | short names. It means that the stuff in ../shortnames | |
117 | must be run to convert the long names to short ones. */ | |
118 | ||
119 | /* #define SHORTNAMES */ | |
120 | ||
20c428fd JB |
121 | /* The file containing the kernel's symbol table is called /unix. */ |
122 | ||
123 | #define KERNEL_FILE "/unix" | |
124 | ||
125 | /* The symbol in the kernel where the load average is found | |
126 | is named avenrun. */ | |
127 | ||
128 | #define LDAV_SYMBOL "avenrun" | |
129 | ||
130 | /* Define this if system V IPC is available. */ | |
131 | ||
132 | #define HAVE_SYSVIPC | |
f5070950 | 133 | |
20c428fd JB |
134 | /* Special hacks needed to make Emacs run on this system. */ |
135 | ||
136 | /* | |
137 | * Make the sigsetmask function go away. Don't know what the | |
138 | * ramifications of this are, but doesn't seem possible to | |
139 | * emulate it properly anyway at this point. | |
140 | */ | |
141 | ||
142 | #define sigsetmask(mask) /* Null expansion */ | |
143 | ||
144 | /* setjmp and longjmp can safely replace _setjmp and _longjmp, | |
145 | but they will run slower. */ | |
146 | ||
147 | #define _setjmp setjmp | |
148 | #define _longjmp longjmp | |
149 | ||
20c428fd | 150 | /* On USG systems these have different names */ |
1f4ecd6b | 151 | #ifndef HAVE_INDEX |
20c428fd | 152 | #define index strchr |
1f4ecd6b GM |
153 | #endif /* ! defined (HAVE_INDEX) */ |
154 | #ifndef HAVE_RINDEX | |
20c428fd | 155 | #define rindex strrchr |
1f4ecd6b | 156 | #endif /* ! defined (HAVE_RINDEX) */ |
20c428fd JB |
157 | |
158 | /* USG systems tend to put everything declared static | |
159 | into the initialized data area, which becomes pure after dumping Emacs. | |
160 | Foil this. Emacs carefully avoids static vars inside functions. */ | |
161 | ||
162 | #define static | |
163 | ||
164 | /* Compiler bug bites on many systems when default ADDR_CORRECT is used. */ | |
165 | ||
166 | #define ADDR_CORRECT(x) (x) | |
167 | ||
20c428fd JB |
168 | /* Use terminfo instead of termcap. */ |
169 | ||
170 | #define TERMINFO | |
171 | ||
d2729198 JB |
172 | /* Some variants have TIOCGETC, but the structures to go with it |
173 | are not declared. */ | |
174 | ||
175 | #define BROKEN_TIOCGETC | |
176 | ||
ef15f270 JB |
177 | /* AT&T SVr3 X wants to be linked with shared libraries */ |
178 | ||
179 | #define LIB_X11_LIB -lX11_s | |
180 | ||
20c428fd JB |
181 | /* X needs to talk on the network, so search the network library. */ |
182 | ||
183 | #define LIBX10_SYSTEM -lnsl_s | |
aee87fc4 | 184 | #define LIBX11_SYSTEM -lpt -lnls -lnsl_s -lc_s |
20c428fd | 185 | |
d2729198 JB |
186 | /* The docs for system V/386 suggest v.3 has sigpause, |
187 | so let's give it a try. */ | |
188 | #define HAVE_SYSV_SIGPAUSE | |
20c428fd | 189 | |
ef15f270 JB |
190 | /* Some variants have TIOCGWINSZ, but the structures to go with it |
191 | are not declared. */ | |
192 | ||
193 | #define BROKEN_TIOCGWINSZ | |
194 | ||
ef15f270 JB |
195 | /* If we're using the System V X port, BSD bstring functions will be handy */ |
196 | ||
197 | #ifdef HAVE_X_WINDOWS | |
198 | #define BSTRING | |
199 | #endif /* HAVE_X_WINDOWS */ | |
200 | ||
20c428fd JB |
201 | /* Enable support for shared libraries in unexec. */ |
202 | ||
203 | #define USG_SHARED_LIBRARIES | |
a33ef3ab JB |
204 | |
205 | /* On USG systems signal handlers return void */ | |
206 | ||
207 | #define SIGTYPE void | |
ab5796a9 MB |
208 | |
209 | /* arch-tag: 2bca65fd-f015-44b9-a2aa-9f8170ce89ca | |
210 | (do not change this comment) */ |