1/* R2 AIX machine/system dependent defines
2   Copyright (C) 1988, 2001, 2002, 2003, 2004, 2005,
3                 2006, 2007  Free Software Foundation, Inc.
4
5This file is part of GNU Emacs.
6
7GNU Emacs is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU Emacs is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU Emacs; see the file COPYING.  If not, write to
19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA.  */
21
22
23/* The following line tells the configuration script what sort of
24   operating system this machine is likely to run.
25   USUAL-OPSYS="aix3-1"  */
26
27/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
28   is the most significant byte.  */
29
30#ifdef USG5_4
31#undef WORDS_BIG_ENDIAN
32#else
33#define WORDS_BIG_ENDIAN
34#endif
35
36/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
37 * group of arguments and treat it as an array of the arguments.  */
38
39#define NO_ARG_ARRAY
40
41/* Now define a symbol for the cpu type, if your compiler
42   does not define it automatically.  */
43
44#define IBMR2AIX
45
46/* Use type int rather than a union, to represent Lisp_Object */
47/* This is desirable for most machines.  */
48
49#define NO_UNION_TYPE
50
51/* Define CANNOT_DUMP on machines where unexec does not work.
52   Then the function dump-emacs will not be defined
53   and temacs will do (load "loadup") automatically unless told otherwise.  */
54#ifdef USG5_4
55#define CANNOT_DUMP
56#endif
57
58#ifndef UNEXEC
59#define UNEXEC unexaix.o
60#endif
61
62/* Define addresses, macros, change some setup for dump */
63
64#define NO_REMAP
65
66#ifndef USG5_4
67#define TEXT_START 0x10000000
68#define TEXT_END 0
69#define DATA_START 0x20000000
70#define DATA_END 0
71#endif
72
73/* The data segment in this machine always starts at address 0x20000000.
74   An address of data cannot be stored correctly in a Lisp object;
75   we always lose the high bits.  We must tell XPNTR to add them back.  */
76
77#ifndef USG5_4
78#define DATA_SEG_BITS 0x20000000
79#else
80#define DATA_SEG_BITS 0
81#endif
82
83#ifdef CANNOT_DUMP
84/* Define shared memory segment symbols */
85
86#define PURE_SEG_BITS 0x30000000
87
88/* Use shared memory.  */
89/* This is turned off because it does not always work.  See etc/AIX.DUMP.  */
90/* #define HAVE_SHM */
91#define SHMKEY 5305035		/* used for shared memory code segments */
92#endif /* CANNOT_DUMP */
93
94#define N_BADMAG(x) BADMAG(x)
95#define N_TXTOFF(x) A_TEXTPOS(x)
96#define N_SYMOFF(x) A_SYMPOS(x)
97#define A_TEXT_OFFSET(HDR) sizeof(HDR)
98/* #define ADJUST_EXEC_HEADER \
99    unexec_text_start += sizeof(hdr); \
100    unexec_data_start = ohdr.a_dbase
101*/
102#undef ADDR_CORRECT
103#define ADDR_CORRECT(x) ((int)(x))
104
105/* Specify the font for X to use.
106   This used to be Rom14.500; that's nice on the X server shipped with
107   the RS/6000, but it's not available on other servers.  */
108#define X_DEFAULT_FONT "fixed"
109
110/* Here override various assumptions in ymakefile */
111
112#ifdef AIXHFT
113#define OBJECTS_MACHINE hftctl.o
114#endif
115
116#ifndef USG5
117#define C_SWITCH_MACHINE -D_BSD
118#endif
119
120#ifdef AIX3_2
121/* -lpthreads seems to be necessary for Xlib in X11R6, and should be harmless
122   on older versions of X where it happens to exist.  */
123#ifdef HAVE_LIBPTHREADS
124#define LIBS_MACHINE -lrts -lIM -liconv -lpthreads
125#else
126/* IBM's X11R5 use -lIM and -liconv in AIX 3.2.2.  */
127#define LIBS_MACHINE -lrts -lIM -liconv
128#endif
129#else
130#ifdef USG5_4
131#define LIBS_MACHINE
132#else
133#define LIBS_MACHINE -lIM
134#endif
135#endif
136
137#define START_FILES
138#define HAVE_SYSVIPC
139/*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
140#define BROKEN_FIONREAD
141/* As we define BROKEN_FIONREAD, SIGIO will be undefined in systty.h.
142   But, on AIX, SIGAIO, SIGPTY, and SIGPOLL are defined as SIGIO,
143   which causes compilation error at init_signals in sysdep.c.  So, we
144   define these macros so that syssignal.h detects them and undefine
145   SIGAIO, SIGPTY and SIGPOLL.  */
146#define BROKEN_SIGAIO
147#define BROKEN_SIGPTY
148#define BROKEN_SIGPOLL
149
150/* Don't try to include sioctl.h or ptem.h.  */
151#undef NEED_SIOCTL
152#undef NEED_PTEM_H
153
154#define ORDINARY_LINK
155
156#ifndef USG5_4
157/* sfreed@unm.edu says add -bI:/usr/lpp/X11/bin/smt.exp for AIX 3.2.4.  */
158/* marc@sti.com (Marc Pawliger) says ibmrs6000.inp is needed to avoid
159   linker error for updated X11R5 libraries, which references pthread library
160   which most machines don't have.  We use the name .inp instead of .imp
161   because .inp is a better convention to use in make-dist for naming
162   random input files.  */
163#ifdef THIS_IS_MAKEFILE /* Don't use this in configure.  */
164#ifdef AIX4
165#define LD_SWITCH_MACHINE -Wl,-bnodelcsect
166#else /* not AIX4 */
167#ifdef HAVE_AIX_SMT_EXP
168#define LD_SWITCH_MACHINE -Wl,-bnso,-bnodelcsect,-bI:/lib/syscalls.exp,-bI:$(srcdir)/m/ibmrs6000.inp,-bI:/usr/lpp/X11/bin/smt.exp
169#else
170#define LD_SWITCH_MACHINE -Wl,-bnso,-bnodelcsect,-bI:/lib/syscalls.exp,-bI:$(srcdir)/m/ibmrs6000.inp
171#endif
172#endif /* not AIX4 */
173#endif /* THIS_IS_MAKEFILE */
174
175/* Avoid gcc 2.7.x collect2 bug by using /bin/ld instead.  */
176#if __GNUC__ == 2 && __GNUC_MINOR__ == 7
177#define LD_SWITCH_SITE -B/bin/
178#endif
179
180#ifndef NLIST_STRUCT
181/* AIX supposedly doesn't use this interface, but on the RS/6000
182   it apparently does.  */
183#define NLIST_STRUCT
184#endif
185#endif /* USG5_4 */
186
187/* arch-tag: 028318ee-a7ae-4a08-804d-cc1e6588d003
188   (do not change this comment) */
189