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1.1 root 1: /* Definitions file for GNU Emacs running on Silicon Graphics Irix system 3.3.
2: Copyright (C) 1987,1990 Free Software Foundation, Inc.
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
8: the Free Software Foundation; either version 1, or (at your option)
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
18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20:
21: /*
22: * Define symbols to identify the version of Unix this is.
23: * Define all the symbols that apply correctly.
24: */
25:
26: #define USG
27: #define USG5
28: #define IRIS
29: #ifndef IRIX
30: #define IRIX
31: #endif
32:
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 "silicon-graphics-unix"
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. 'a' means it is /dev/ptya0 */
50:
51: #define FIRST_PTY_LETTER 'a'
52:
53: /*
54: * Define HAVE_TERMIO if the system provides sysV-style ioctls
55: * for terminal control.
56: */
57:
58: #define HAVE_TERMIO
59:
60: /*
61: * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
62: * Look in <sys/time.h> for a timeval structure.
63: */
64:
65: #define HAVE_TIMEVAL
66:
67: /* `utime' system call doesn't understand timevals. */
68:
69: #define IRIS_UTIME
70:
71: /*
72: * Define HAVE_SELECT if the system supports the `select' system call.
73: */
74:
75: #define HAVE_SELECT
76:
77: /*
78: * Define HAVE_PTYS if the system supports pty devices.
79: */
80:
81: #define HAVE_PTYS
82:
83: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
84:
85: #define HAVE_SOCKETS
86:
87: /*
88: * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
89: * The 4.2 opendir, etc., library functions.
90: */
91:
92: /* #define NONSYSTEM_DIR_LIBRARY */
93:
94: /* Define this symbol if your system has the functions bcopy, etc. */
95:
96: #define BSTRING
97:
98: /* subprocesses should be defined if you want to
99: have code for asynchronous subprocesses
100: (as used in M-x compile and M-x shell).
101: This is generally OS dependent, and not supported
102: under most USG systems. */
103:
104: #define subprocesses
105:
106: /* If your system uses COFF (Common Object File Format) then define the
107: preprocessor symbol "COFF". */
108:
109: /* #define COFF */
110:
111: /* define MAIL_USE_FLOCK if the mailer uses flock
112: to interlock access to /usr/spool/mail/$USER.
113: The alternative is that a lock file named
114: /usr/spool/mail/$USER.lock. */
115:
116: /* #define MAIL_USE_FLOCK */
117:
118: /* Define CLASH_DETECTION if you want lock files to be written
119: so that Emacs can tell instantly when you try to modify
120: a file that someone else has modified in his Emacs. */
121:
122: /* #define CLASH_DETECTION */
123:
124: /* We use the Berkeley (and usg5.2.2) interface to nlist. */
125:
126: #define NLIST_STRUCT
127:
128: /* The file containing the kernel's symbol table is called /unix. */
129:
130: #define KERNEL_FILE "/unix"
131:
132: /* The symbol in the kernel where the load average is found
133: is named _avenrun. (Actually, no such symbol is right;
134: sysmp must be used to find the address.) */
135:
136: #define LDAV_SYMBOL "avenrun"
137:
138: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
139: but they will run slower. */
140:
141: #define _setjmp setjmp
142: #define _longjmp longjmp
143:
144: /* On USG systems the system calls are interruptable by signals
145: that the user program has elected to catch. Thus the system call
146: must be retried in these cases. To handle this without massive
147: changes in the source code, we remap the standard system call names
148: to names for our own functions in sysdep.c that do the system call
149: with retries. */
150:
151: #define read sys_read
152: #define open sys_open
153: #define write sys_write
154:
155: #define INTERRUPTABLE_OPEN
156: #define INTERRUPTABLE_IO
157:
158: /* On USG systems these have different names */
159:
160: #define index strchr
161: #define rindex strrchr
162:
163: /* Use setsid to handle terminals for subprocesses. */
164: #define HAVE_SETSID
165:
166: /* getwd is defined. */
167: #define HAVE_GETWD
168:
169: /* Implementation of uname is broken on Irix as of version 3.3 */
170: #define HAVE_GETHOSTNAME
171:
172: #define HAVE_SYSVIPC
173:
174: /* Define C_ALLOCA if this machine does not support a true alloca
175: and the one written in C should be used instead.
176: Define HAVE_ALLOCA to say that the system provides a properly
177: working alloca function and it should be used.
178: Define neither one if an assembler-language alloca
179: in the file alloca.s should be used. */
180:
181: #define C_ALLOCA
182: /* #define HAVE_ALLOCA */
183:
184: /* Send a signal to a subprocess by "typing" a signal character. */
185:
186: #define SIGNALS_VIA_CHARACTERS
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