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1.1 root 1: /* m- file for the Motorola delta running System V.3.
2: tested on sysV68 (mvme147 - based system). Use with s-usg5-3.h.
3: Copyright (C) 1986 Free Software Foundation, Inc.
4:
5: This file is part of GNU Emacs.
6:
7: GNU Emacs is free software; you can redistribute it and/or modify
8: it under the terms of the GNU General Public License as published by
9: the Free Software Foundation; either version 1, or (at your option)
10: any later version.
11:
12: GNU Emacs is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with GNU Emacs; see the file COPYING. If not, write to
19: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20:
21: #define mot_delta
22:
23: /* The following three symbols give information on
24: the size of various data types. */
25:
26: #define SHORTBITS 16 /* Number of bits in a short */
27:
28: #define INTBITS 32 /* Number of bits in an int */
29:
30: #define LONGBITS 32 /* Number of bits in a long */
31:
32: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
33: is the most significant byte. */
34:
35: #define BIG_ENDIAN
36:
37: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
38: * group of arguments and treat it as an array of the arguments. */
39:
40: /* #define NO_ARG_ARRAY */
41:
42: /* Define WORD_MACHINE if addresses and such have
43: * to be corrected before they can be used as byte counts. */
44:
45: /* #define WORD_MACHINE */
46:
47: /* Define how to take a char and sign-extend into an int.
48: On machines where char is signed, this is a no-op. */
49:
50: #define SIGN_EXTEND_CHAR(c) (c)
51:
52: /* Now define a symbol for the cpu type, if your compiler
53: does not define it automatically:
54: vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
55: are the ones defined so far. */
56: #define m68000
57: #define mot_delta
58:
59: /* Don't try to dump part of data space as pure. */
60:
61: #define NO_REMAP
62:
63: /* We have system V ipc. */
64:
65: #define HAVE_SYSVIPC
66:
67: /* We have ptys. */
68:
69: #define HAVE_PTYS
70: #define SYSV_PTYS
71:
72: /* Use type int rather than a union, to represent Lisp_Object */
73: /* This is desirable for most machines. */
74:
75: #define NO_UNION_TYPE
76: #define SWITCH_ENUM_BUG
77: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
78: the 24-bit bit field into an int. In other words, if bit fields
79: are always unsigned.
80:
81: If you use NO_UNION_TYPE, this flag does not matter. */
82:
83: #define EXPLICIT_SIGN_EXTEND
84:
85: /* Data type of load average, as read out of kmem. */
86:
87: /* #define LOAD_AVE_TYPE long */
88:
89: /* Convert that into an integer that is 100 for a load average of 1.0 */
90:
91: /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
92:
93: /* Define CANNOT_DUMP on machines where unexec does not work.
94: Then the function dump-emacs will not be defined
95: and temacs will do (load "loadup") automatically unless told otherwise. */
96:
97: /* #define CANNOT_DUMP */
98:
99: /* Define VIRT_ADDR_VARIES if the virtual addresses of
100: pure and impure space as loaded can vary, and even their
101: relative order cannot be relied on.
102:
103: Otherwise Emacs assumes that text space precedes data space,
104: numerically. */
105:
106: /* #define VIRT_ADDR_VARIES */
107:
108: #define USG_SYS_TIME
109: #define SYSV_SYSTEM_DIR
110: #define BSTRING
111: #define CLASH_DETECTION /* starting from emacs 18.59 */
112:
113: #undef KERNEL_FILE
114: #define KERNEL_FILE "/sysV68"
115: #undef LOAD_AVE_TYPE
116: #define HAVE_DUP2
117:
118: /* -lbsd gets sigblock and sigsetmask. */
119: #define LIBS_SYSTEM -lbsd
120: #undef sigsetmask
121:
122: /* Define C_ALLOCA if this machine does not support a true alloca
123: and the one written in C should be used instead.
124: Define HAVE_ALLOCA to say that the system provides a properly
125: working alloca function and it should be used.
126: Define neither one if an assembler-language alloca
127: in the file alloca.s should be used. */
128:
129: #ifdef __GNUC__
130: /* easy. use builtin one. also be sure that no other ones are tried out. */
131: # define alloca __builtin_alloca
132: # define HAVE_ALLOCA
133: # undef C_ALLOCA
134: #else /* not __GNUC__, use the one in alloca.s. */
135: /* the alloca in -lPW is broken, at least until R3V6
136: [email protected]
137: [email protected] */
138: #undef HAVE_ALLOCA
139: #undef C_ALLOCA
140: #endif /* __GNUC__ */
141:
142: #define LIBS_TERMCAP -lcurses
143:
144: #define HAVE_TIMEVAL
145: #define HAVE_GETTIMEOFDAY
146:
147: #define HAVE_SELECT
148: #define HAVE_SOCKETS /***** only if NSE has been installed *****/
149:
150: #define USE_UTIME
151:
152: /* Required only for use with Green Hills compiler:
153: -ga because alloca relies on stack frames. This option forces
154: the Green Hills compiler to create stack frames even for
155: functions with few local variables. */
156:
157: /* #define C_SWITCH_MACHINE -ga */
158:
159: /* People used to say this was necessary. Maybe it no longer is,
160: because the system may not define FIONREAD. But this can't hurt. */
161: #define BROKEN_FIONREAD
162:
163: /* Send signals to subprocesses by typing interrupt characters at them. */
164: #define SIGNALS_VIA_CHARACTERS
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