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1.1 root 1: /* Definitions file for GNU Emacs running on UMAX 4.2
2: Copyright (C) 1985, 1986 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 UNIPLUS */
27: /* #define USG5 */
28: /* #define USG */
29: /* #define BSD4_1 */
30: #define BSD4_2
31: /* #define BSD4_3 */
32: #define BSD
33: #define UMAX4_2
34: #define UMAX
35: /* #define VMS */
36:
37: /* SYSTEM_TYPE should indicate the kind of system you are using.
38: It sets the Lisp variable system-type. */
39:
40: #define SYSTEM_TYPE "berkeley-unix"
41:
42: /* NOMULTIPLEJOBS should be defined if your system's shell
43: does not have "job control" (the ability to stop a program,
44: run some other program, then continue the first one). */
45:
46: /* #define NOMULTIPLEJOBS */
47:
48: /* Emacs can read input using SIGIO and buffering characters itself,
49: or using CBREAK mode and making C-g cause SIGINT.
50: The choice is controlled by the variable interrupt_input.
51: Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
52:
53: SIGIO can be used only on systems that implement it (4.2 and 4.3).
54: CBREAK mode has two disadvatages
55: 1) At least in 4.2, it is impossible to handle the Meta key properly.
56: I hear that in system V this problem does not exist.
57: 2) Control-G causes output to be discarded.
58: I do not know whether this can be fixed in system V.
59:
60: Another method of doing input is planned but not implemented.
61: It would have Emacs fork off a separate process
62: to read the input and send it to the true Emacs process
63: through a pipe.
64: */
65:
66: #define INTERRUPT_INPUT
67:
68: /* Letter to use in finding device name of first pty,
69: if system supports pty's. 'a' means it is /dev/ptya0 */
70:
71: #define FIRST_PTY_LETTER 'p'
72:
73: /*
74: * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
75: * Look in <sys/time.h> for a timeval structure.
76: */
77:
78: #define HAVE_TIMEVAL
79:
80: /*
81: * Define HAVE_SELECT if the system supports the `select' system call.
82: */
83:
84: #define HAVE_SELECT
85:
86: /*
87: * Define HAVE_PTYS if the system supports pty devices.
88: */
89:
90: #define HAVE_PTYS
91:
92: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
93:
94: #define HAVE_SOCKETS
95:
96: /*
97: * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
98: * The 4.2 opendir, etc., library functions.
99: */
100:
101: /* #define NONSYSTEM_DIR_LIBRARY */
102:
103: /* Define this symbol if your system has the functions bcopy, etc. */
104:
105: #define BSTRING
106:
107: /* subprocesses should be defined if you want to
108: have code for asynchronous subprocesses
109: (as used in M-x compile and M-x shell).
110: This is generally OS dependent, and not supported
111: under most USG systems. */
112:
113: #define subprocesses
114:
115: /* If your system uses COFF (Common Object File Format) then define the
116: preprocessor symbol "COFF". */
117:
118: #define COFF
119:
120: /* define MAIL_USE_FLOCK if the mailer uses flock
121: to interlock access to /usr/spool/mail/$USER.
122: The alternative is that a lock file named
123: /usr/spool/mail/$USER.lock. */
124:
125: #define MAIL_USE_FLOCK
126:
127: /* Define CLASH_DETECTION if you want lock files to be written
128: so that Emacs can tell instantly when you try to modify
129: a file that someone else has modified in his Emacs. */
130:
131: #define CLASH_DETECTION
132:
133: /* We use the Berkeley (and usg5.2.2) interface to nlist. */
134:
135: #define NLIST_STRUCT
136:
137: /* The file containing the kernel's symbol table is called /vmunix. */
138:
139: #define KERNEL_FILE "/vmunix"
140:
141: /* The symbol in the kernel where the load average is found
142: is named _avenrun. */
143:
144: #define LDAV_SYMBOL "_avenrun"
145:
146: /* Here, on a separate page, add any special hacks needed
147: to make Emacs work on this system. For example,
148: you might define certain system call names that don't
149: exist on your system, or that do different things on
150: your system and must be used only through an encapsulation
151: (Which you should place, by convention, in sysdep.c). */
152:
153: /* Specify alignment requirement for start of text and data sections
154: in the executable file. */
155:
156: #define SECTION_ALIGNMENT pagemask
157:
158:
159: #define SEGMENT_MASK (64 * 1024 - 1)
160:
161:
162: /* crt0.c needs this for compilation because it uses asm. */
163:
164: #define C_SWITCH_ASM -q nodirect_code
165:
166: /* Encore machines with APC processor boards align sections on 4M
167: boundaries, so it is not easy to remap the start of the text segment
168: in the unexec() routine. For them you need the following two lines.
169: For DPC processors you can enable these or not, as you wish, but
170: you will get better performance without them. */
171:
172: /* #define NO_REMAP
173: #define TEXT_START 0
174: */
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