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1 /* R2 AIX machine/system dependent defines
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2 Copyright (C) 1988 Free Software Foundation, Inc.
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3
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4 This file is part of GNU Emacs.
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5
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6 GNU Emacs is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 GNU Emacs is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.31. */
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22
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272
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23 /* The following line tells the configuration script what sort of
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24 operating system this machine is likely to run.
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25 USUAL-OPSYS="aix3-1" */
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26
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27 /* Now define a symbol for the cpu type, if your compiler
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28 does not define it automatically. */
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29
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30 #define IBMR2AIX
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31
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32 /* Define CANNOT_DUMP on machines where unexec does not work.
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33 Then the function dump-emacs will not be defined
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34 and temacs will do (load "loadup") automatically unless told otherwise. */
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35 #ifdef USG5_4
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36 #define CANNOT_DUMP
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37 #endif
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38
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39 #ifndef UNEXEC
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163
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40 #define UNEXEC "unexaix.o"
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0
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41 #endif
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42
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43 /* Define addresses, macros, change some setup for dump */
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44
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45 #define NO_REMAP
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46
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47 #ifndef USG5_4
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48 #define TEXT_START 0x10000000
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49 #define TEXT_END 0
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50 #define DATA_START 0x20000000
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51 #define DATA_END 0
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52 #endif
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53
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412
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54 /* The data segment in this machine always starts at address 0x20000000.
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55 An address of data cannot be stored correctly in a Lisp object;
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56 we always lose the high bits. We must tell XPNTR to add them back. */
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57
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58 #ifndef USG5_4
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59 #define DATA_SEG_BITS 0x20000000
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60 #else
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61 #define DATA_SEG_BITS 0
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62 #endif
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63
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64 #ifdef CANNOT_DUMP
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65 /* Define shared memory segment symbols */
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66
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67 #define PURE_SEG_BITS 0x30000000
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68
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69 /* Use shared memory. */
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70 /* This is turned off because it does not always work. See etc/AIX.DUMP. */
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71 /* #define HAVE_SHM */
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72 #define SHMKEY 5305035 /* used for shared memory code segments */
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73 #endif /* CANNOT_DUMP */
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74
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75 #define N_BADMAG(x) BADMAG(x)
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76 #define N_TXTOFF(x) A_TEXTPOS(x)
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77 #define N_SYMOFF(x) A_SYMPOS(x)
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78 #define A_TEXT_OFFSET(HDR) sizeof(HDR)
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79 /* #define ADJUST_EXEC_HEADER \
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80 unexec_text_start += sizeof(hdr); \
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81 unexec_data_start = ohdr.a_dbase
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82 */
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83 #undef ADDR_CORRECT
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84 #define ADDR_CORRECT(x) ((int)(x))
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85
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86 /* Define C_ALLOCA if this machine does not support a true alloca
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87 and the one written in C should be used instead.
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88 Define HAVE_ALLOCA to say that the system provides a properly
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89 working alloca function and it should be used.
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90 Define neither one if an assembler-language alloca
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91 in the file alloca.s should be used. */
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92
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93 /* Note: aix3-2.h defines HAVE_ALLOCA; aix3-1.h doesn't. */
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94 #ifndef HAVE_ALLOCA
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95 #define C_ALLOCA
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96 #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
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97 #endif
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98
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99 /* Specify the font for X to use.
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100 This used to be Rom14.500; that's nice on the X server shipped with
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101 the RS/6000, but it's not available on other servers. */
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102 #define X_DEFAULT_FONT "fixed"
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103
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104 /* Here override various assumptions in ymakefile */
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105
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106 #ifdef AIXHFT
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107 #define OBJECTS_MACHINE "hftctl.o"
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108 #endif
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109
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110 #ifndef USG5_4
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111 /* XEmacs change -- commented out: dkeller@vnet.ibm.com */
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112 /* #define C_SWITCH_MACHINE -D_BSD */
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113 #endif
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114
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115 #ifdef AIX3_2
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116 /* -lpthreads seems to be necessary for Xlib in X11R6, and should be harmless
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117 on older versions of X where it happens to exist. */
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118 #ifdef HAVE_LIBPTHREADS
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119 #define LIBS_MACHINE "-lrts -lIM -liconv -lpthreads"
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120 #else
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121 /* IBM's X11R5 use -lIM and -liconv in AIX 3.2.2. */
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122 #define LIBS_MACHINE "-lrts -lIM -liconv"
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123 #endif
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124 #else
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125 #ifdef USG5_4
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126 #define LIBS_MACHINE
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127 #else
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128 #define LIBS_MACHINE "-lIM"
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129 #endif
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130 #endif
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131
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132 #define START_FILES
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133
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134 /* Don't try to include sioctl.h or ptem.h. */
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135 #undef NEED_SIOCTL
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136 #undef NEED_PTEM_H
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137
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138 #define ORDINARY_LINK
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