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1.1 root 1: /* Definitions file for GNU Emacs running on Silicon Graphics 3.5
2: Copyright (C) 1987 Free Software Foundation, Inc.
3:
4: This file is part of GNU Emacs.
5:
6: GNU Emacs is distributed in the hope that it will be useful,
7: but WITHOUT ANY WARRANTY. No author or distributor
8: accepts responsibility to anyone for the consequences of using it
9: or for whether it serves any particular purpose or works at all,
10: unless he says so in writing. Refer to the GNU Emacs General Public
11: License for full details.
12:
13: Everyone is granted permission to copy, modify and redistribute
14: GNU Emacs, but only under the conditions described in the
15: GNU Emacs General Public License. A copy of this license is
16: supposed to have been given to you along with GNU Emacs so you
17: can know your rights and responsibilities. It should be in a
18: file named COPYING. Among other things, the copyright notice
19: and this notice must be preserved on all copies. */
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
28: #define USG5
29: #define IRIS
30:
31: /* SYSTEM_TYPE should indicate the kind of system you are using.
32: It sets the Lisp variable system-type. */
33:
34: #define SYSTEM_TYPE "silicon-graphics-unix"
35:
36: /* nomultiplejobs should be defined if your system's shell
37: does not have "job control" (the ability to stop a program,
38: run some other program, then continue the first one). */
39:
40: #define NOMULTIPLEJOBS
41:
42: /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
43:
44: /* #define INTERRUPT_INPUT */
45:
46: /* Letter to use in finding device name of first pty,
47: if system supports pty's. 'a' means it is /dev/ptya0 */
48:
49: #define FIRST_PTY_LETTER 'a'
50:
51: /*
52: * Define HAVE_TERMIO if the system provides sysV-style ioctls
53: * for terminal control.
54: */
55:
56: #define HAVE_TERMIO
57:
58: /*
59: * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
60: * Look in <sys/time.h> for a timeval structure.
61: */
62:
63: #define HAVE_TIMEVAL
64:
65: /*
66: * Define HAVE_SELECT if the system supports the `select' system call.
67: */
68:
69: #define HAVE_SELECT
70:
71: /*
72: * Define HAVE_PTYS if the system supports pty devices.
73: */
74:
75: #define HAVE_PTYS
76:
77: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
78:
79: #define HAVE_SOCKETS
80:
81: /*
82: * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
83: * The 4.2 opendir, etc., library functions.
84: */
85:
86: /* #define NONSYSTEM_DIR_LIBRARY */
87:
88: /* Define this symbol if your system has the functions bcopy, etc. */
89:
90: #define BSTRING
91:
92: /* subprocesses should be defined if you want to
93: have code for asynchronous subprocesses
94: (as used in M-x compile and M-x shell).
95: This is generally OS dependent, and not supported
96: under most USG systems. */
97:
98: #define subprocesses
99:
100: /* If your system uses COFF (Common Object File Format) then define the
101: preprocessor symbol "COFF". */
102:
103: /* #define COFF */
104:
105: /* define MAIL_USE_FLOCK if the mailer uses flock
106: to interlock access to /usr/spool/mail/$USER.
107: The alternative is that a lock file named
108: /usr/spool/mail/$USER.lock. */
109:
110: /* #define MAIL_USE_FLOCK */
111:
112: /* Define CLASH_DETECTION if you want lock files to be written
113: so that Emacs can tell instantly when you try to modify
114: a file that someone else has modified in his Emacs. */
115:
116: /* #define CLASH_DETECTION */
117:
118: /* We use the Berkeley (and usg5.2.2) interface to nlist. */
119:
120: #define NLIST_STRUCT
121:
122: /* The file containing the kernel's symbol table is called /vmunix. */
123:
124: #define KERNEL_FILE "/vmunix"
125:
126: /* The symbol in the kernel where the load average is found
127: is named _avenrun. */
128:
129: #define LDAV_SYMBOL "_avenrun"
130:
131:
132: /* Special hacks needed to make Emacs run on this system. */
133:
134: /*
135: * Make the sigsetmask function go away. Don't know what the
136: * ramifications of this are, but doesn't seem possible to
137: * emulate it properly anyway at this point.
138: */
139:
140: #define sigsetmask(mask) /* Null expansion */
141:
142: /* The IRIS defines SIGIO in signal.h, but doesn't implement it. */
143: #undef SIGIO
144:
145: #define LIBS_MACHINE -lbsd -ldbm -lPW
146: #define C_SWITCH_MACHINE -I/usr/include/bsd
147:
148: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
149: but they will run slower. */
150:
151: #define _setjmp setjmp
152: #define _longjmp longjmp
153:
154: /* On USG systems the system calls are interruptable by signals
155: that the user program has elected to catch. Thus the system call
156: must be retried in these cases. To handle this without massive
157: changes in the source code, we remap the standard system call names
158: to names for our own functions in sysdep.c that do the system call
159: with retries. */
160:
161: #define read sys_read
162: #define open sys_open
163: #define write sys_write
164:
165: #define INTERRUPTABLE_OPEN
166: #define INTERRUPTABLE_IO
167:
168: /* On USG systems these have different names */
169:
170: #define index strchr
171: #define rindex strrchr
172:
173: /* USG systems tend to put everything declared static
174: into the initialized data area, which becomes pure after dumping Emacs.
175: Foil this. Emacs carefully avoids static vars inside functions. */
176:
177: /* #define static */
178:
179: /* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
180:
181: #define ADDR_CORRECT(x) (int)((char *)(x) - (char*)0)
182:
183: /* some errno.h's don't actually allocate the variable itself */
184:
185: #define NEED_ERRNO
186:
187: /* The symbol FIONREAD is defined, but the feature does not work. */
188:
189: #define BROKEN_FIONREAD
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