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1.1 root 1: /* Machine-dependent configuration for GNU Emacs for Tadpole 68k machines
2: Copyright (C) 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: /* The following three symbols give information on
22: the size of various data types. */
23:
24: #define SHORTBITS 16 /* Number of bits in a short */
25:
26: #define INTBITS 32 /* Number of bits in an int */
27:
28: #define LONGBITS 32 /* Number of bits in a long */
29:
30: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
31: is the most significant byte. */
32:
33: #define BIG_ENDIAN
34:
35: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
36: * group of arguments and treat it as an array of the arguments. */
37:
38: /* #define NO_ARG_ARRAY */
39:
40: /* Define WORD_MACHINE if addresses and such have
41: * to be corrected before they can be used as byte counts. */
42:
43: /* #define WORD_MACHINE */
44:
45: /* Define how to take a char and sign-extend into an int.
46: On machines where char is signed, this is a no-op. */
47:
48: #define SIGN_EXTEND_CHAR(c) (c)
49:
50: /* Now define a symbol for the cpu type, if your compiler
51: does not define it automatically */
52:
53: /* Use type int rather than a union, to represent Lisp_Object */
54: /* This is desirable for most machines. */
55:
56: #define NO_UNION_TYPE
57:
58: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
59: the 24-bit bit field into an int. In other words, if bit fields
60: are always unsigned.
61:
62: If you use NO_UNION_TYPE, this flag does not matter. */
63:
64: /* #define EXPLICIT_SIGN_EXTEND */
65:
66: /* Data type of load average, as read out of kmem. */
67: /* #define LOAD_AVE_TYPE long */
68:
69: /* Convert that into an integer that is 100 for a load average of 1.0 */
70:
71: /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
72:
73: /* Define CANNOT_DUMP on machines where unexec does not work.
74: Then the function dump-emacs will not be defined
75: and temacs will do (load "loadup") automatically unless told otherwise. */
76: /* #define CANNOT_DUMP */
77:
78: /* Define VIRT_ADDR_VARIES if the virtual addresses of
79: pure and impure space as loaded can vary, and even their
80: relative order cannot be relied on.
81:
82: Otherwise Emacs assumes that text space precedes data space,
83: numerically. */
84:
85: /* #define VIRT_ADDR_VARIES */ /* Karl Kleinpaste says this isn't needed. */
86:
87: /* Define C_ALLOCA if this machine does not support a true alloca
88: and the one written in C should be used instead.
89: Define HAVE_ALLOCA to say that the system provides a properly
90: working alloca function and it should be used.
91: Define neither one if an assembler-language alloca
92: in the file alloca.s should be used. */
93:
94: /* SysV has alloca in the PW library */
95:
96: #define LIB_STANDARD -lPW -lc
97: #define HAVE_ALLOCA
98:
99: /* Define NO_REMAP if memory segmentation makes it not work well
100: to change the boundary between the text section and data section
101: when Emacs is dumped. If you define this, the preloaded Lisp
102: code will not be sharable; but that's better than failing completely. */
103:
104: /* #define NO_REMAP */
105:
106: /* Use Terminfo, not Termcap. */
107:
108: #define TERMINFO
109:
110: /* TPIX extras */
111:
112: #define TPIX /* used in various source files */
113: #define BSTRING /* we do have the BSTRING functions */
114: #define CLASH_DETECTION /* we want to know about clashes */
115: #undef ADDR_CORRECT /* don't need this bug fix */
116: #define fchmod /* we don't have fchmod() */
117: #define SECTION_ALIGNMENT (256*1024-1) /* TP-IX 1.3 needs 256k align.
118: In older versions, 2k was enuf. */
119: #define SEGMENT_MASK (128*1024-1) /* 128k offsets required in unexec */
120: #define C_DEBUG_SWITCH -O /* build with -O (TPIX has GCC 1.34) */
121:
122: #define BROKEN_TIOCGWINSZ /* Don't try to use TIOCGWINSZ. */
123:
124: /* omit next four lines if no TCP installed */
125:
126: #define select gnu_select /* avoid select() name clash */
127: #define HAVE_PTYS /* we do have PTYs if we have TCP */
128: #define HAVE_SOCKETS /* we do have sockets if we have TCP */
129: #define LIBS_SYSTEM -lsocket /* get TCP networking functions */
130:
131: #define HAVE_RANDOM
132:
133: /* Needed for getpagesize.h. */
134: #define NBPC 4096
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