1 /* machine description file for WICAT machines.
2 Copyright (C) 1986 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
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)
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.
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. */
21 /* Synched up with: FSF 19.31. */
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" */
27 /* Now define a symbol for the cpu type, if your compiler
28 does not define it automatically:
29 vax, m68000, ns16000 are the ones defined so far. */
35 /* This flag is used only in alloca.s. */
38 /* Data type of load average, as read out of kmem. */
42 /* Convert that into an integer that is 100 for a load average of 1.0 */
46 /* Define CANNOT_DUMP on machines where unexec does not work.
47 Then the function dump-emacs will not be defined
48 and temacs will do (load "loadup") automatically unless told otherwise. */
52 /* Define VIRT_ADDR_VARIES if the virtual addresses of
53 pure and impure space as loaded can vary, and even their
54 relative order cannot be relied on.
56 Otherwise Emacs assumes that text space precedes data space,
59 #undef VIRT_ADDR_VARIES
61 /* Define C_ALLOCA if this machine does not support a true alloca
62 and the one written in C should be used instead.
63 Define HAVE_ALLOCA to say that the system provides a properly
64 working alloca function and it should be used.
65 Define neither one if an assembler-language alloca
66 in the file alloca.s should be used. */
68 /* For the Wicat C compiler version 4.2, this can be removed
69 and the alloca in alloca.s used. */
71 #define STACK_DIRECTION -1 /* grows towards lower addresses on WICAT */
73 /* Define NO_REMAP if memory segmentation makes it not work well
74 to change the boundary between the text section and data section
75 when Emacs is dumped. If you define this, the preloaded Lisp
76 code will not be sharable; but that's better than failing completely. */
80 /* For WICAT, define TAHOE_REGISTER_BUG if you have a pre-4.2 C compiler */
82 #define TAHOE_REGISTER_BUG
84 /* pagesize definition */
86 #define EXEC_PAGESIZE 0x1000
88 /* Delete this for WICAT sys V releases before 2.0. */
90 #define LIB_STANDARD "-lc-nofp"
92 /* Special magic number */
94 #define EXEC_MAGIC MC68ROMAGIC
96 /* Special switches to give to ld. */
98 #define LD_SWITCH_MACHINE "-e __start -N"
101 * Define optimflags if you want to optimize.
102 * - Set to null string for pre-4.2 C compiler
103 * - Set to "-O -Wopt,-O-f" for 4.2
106 #define C_OPTIMIZE_SWITCH /* -O -Wopt,-O-f */
108 /* For WICAT version supporting PTYs and select (currently internal only) */
111 #undef FIRST_PTY_LETTER
112 #define FIRST_PTY_LETTER 'q'
115 /* there is a select() in libcurses.a that causes a conflict so use termlib */
118 #define LIBS_TERMCAP "select.o -ltermlib"