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comparison src/m/stride.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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children 43dd3413c7c7
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1 /* Definitions file for GNU Emacs running on Stride Micro System-V.2.2
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 2, 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 XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Synched up with: FSF 19.31. */
22
23 /* The following line tells the configuration script what sort of
24 operating system this machine is likely to run.
25 USUAL-OPSYS="usg5-2" */
26
27 /* Define WORD_MACHINE if addresses and such have
28 * to be corrected before they can be used as byte counts. */
29
30 #undef WORD_MACHINE
31
32 /* Now define a symbol for the cpu type, if your compiler
33 does not define it automatically:
34 vax, m68000, ns16000, pyramid, orion, tahoe, APOLLO and STRIDE
35 are the ones defined so far. */
36
37 #define m68000 /* because the SGS compiler defines "m68k" */
38 #ifndef STRIDE
39 #define STRIDE
40 #endif
41
42 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
43 the bit field into an int. In other words, if bit fields
44 are always unsigned.
45
46 If you use NO_UNION_TYPE, this flag does not matter. */
47
48 #define EXPLICIT_SIGN_EXTEND
49
50 /* Data type of load average, as read out of kmem. */
51
52 #define LOAD_AVE_TYPE double
53
54 /* Convert that into an integer that is 100 for a load average of 1.0 */
55
56 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
57
58 /* Define CANNOT_DUMP on machines where unexec does not work.
59 Then the function dump-emacs will not be defined
60 and temacs will do (load "loadup") automatically unless told otherwise. */
61
62 #undef CANNOT_DUMP
63
64 /* Define VIRT_ADDR_VARIES if the virtual addresses of
65 pure and impure space as loaded can vary, and even their
66 relative order cannot be relied on.
67
68 Otherwise Emacs assumes that text space precedes data space,
69 numerically. */
70
71 #undef VIRT_ADDR_VARIES
72
73 /* The STRIDE system is more powerful than standard USG5. */
74
75 #define HAVE_PTYS
76 #define SKTPAIR
77
78 #define MAIL_USE_FLOCK
79 #undef TERMINFO
80 #define EXEC_MAGIC 0413
81
82 /* USG wins again: Foo! I can't get SIGIO to work properly on the Stride, because I'm
83 running a System V variant, and don't have a reliable way to block SIGIO
84 signals without losing them. So, I've gone back to non-SIGIO mode, so
85 please append this line to the file "stride.h":
86 */
87 #define BROKEN_SIGIO
88
89 /* Specify alignment requirement for start of text and data sections
90 in the executable file. */
91
92 #define SECTION_ALIGNMENT (getpagesize() - 1)
93
94 /* Define this macro if system defines a type `union wait'. */
95
96 #define HAVE_UNION_WAIT