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annotate src/s/aix4-2.h @ 5436:da1365dd3f07

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Added GPLv3 or later license to modules/README.
author Mats Lidell <matsl@xemacs.org>
date Sat, 13 Nov 2010 00:15:58 +0100
parents 2aa9cd456ae7
children 1f0b15040456
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1 /* Definitions file for XEmacs running on IBM AIX version 4.2
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2 * Copyright (C) 1985, 1986, 1990 Free Software Foundation, Inc.
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3 *
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4 * This file is part of XEmacs.
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5 *
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6 * XEmacs is free software: you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License as published by the
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8 * Free Software Foundation, either version 3 of the License, or (at your
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9 * option) any later version.
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10 *
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11 * XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * 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. If not, see <http://www.gnu.org/licenses/>. */
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18
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19 /* Synched up with: FSF 19.31. */
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20
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21 /*
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22 * Define symbols to identify the version of Unix this is.
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23 * Define all the symbols that apply correctly.
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24 */
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25
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26 #define USG /* System III, System V, etc */
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27 #define USG5
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28
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29 /* Specify IBM AIX version of system */
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30
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31 #ifndef AIX
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32 #define AIX
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33 #define AIX4
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34 #define AIX4_1
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35 #endif
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36
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37 /* This symbol should be defined on AIX Version 3 ??????? */
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38 #ifndef _AIX
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39 #define _AIX
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40 #endif
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41
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42 /* SYSTEM_TYPE should indicate the kind of system you are using.
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43 * It sets the Lisp variable system-type. */
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44
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45 #define SYSTEM_TYPE "aix"
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46
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47 /* The file containing the kernel's symbol table is called /unix. */
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48
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49 #define KERNEL_FILE "/unix"
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50
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51 /* The symbol in the kernel where the load average is found
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52 * is named avenrun. */
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53
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54 #define LDAV_SYMBOL "avenrun"
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55
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56 /* Special itemss needed to make Emacs run on this system. */
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57
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58 /* On USG systems the system calls are interruptible by signals
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59 * that the user program has elected to catch. Thus the system call
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60 * must be retried in these cases. To handle this without massive
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61 * changes in the source code, we remap the standard system call names
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62 * to names for our own functions in sysdep.c that do the system call
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63 * with retries. */
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64
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65 #define INTERRUPTIBLE_OPEN
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66 #define INTERRUPTIBLE_IO
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67
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68 #ifndef __GNUC__
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69 #define LINKER "cc"
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70 #endif
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71
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72 /* Prevent -lg from being used for debugging. Not needed. */
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73
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74 #define LIBS_DEBUG
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75
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76 /* No need to specify -lc when linking. */
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77
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78 #define LIB_STANDARD
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79
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80 /* Use terminfo instead of termcap. */
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81
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82 #define TERMINFO
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83
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84 /* AIX doesn't define this. */
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85 #define unix 1
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86
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87 #ifndef __GNUC__
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88 /* Otherwise, XEmacs is just too big ... */
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89 #define C_SWITCH_SYSTEM "-mminimal-toc"
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90 #endif
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91
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92 #define HAVE_ALLOCA
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93
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94 /* FIXME: This was needed for AIX 4.1. Is it for AIX 4.2? */
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95 /* The character-composition stuff is broken in X11R5.
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96 * Even with XIMStatusNothing aliased to XIMStatusNone,
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97 * tranle@intellicorp.com (Minh Tran-Le) reports that enabling
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98 * the internationalization code causes the modifier keys C, M and Shift
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99 * to beep after a mouse click. */
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100 #define X11R5_INHIBIT_I18N
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101
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102 /* For AIX, it turns out compiling emacs under AIX 3.2.4 REQUIRES "cc -g"
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103 * because "cc -O" crashes. Under AIX 3.2.5, "cc -O" is required because
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104 * "cc -g" crashes. Go figure. --floppy@merlin.mit.edu */
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105 #ifndef __GNUC__
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106 #undef C_DEBUG_SWITCH
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107 #undef C_OPTIMIZE_SWITCH
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108 #define C_DEBUG_SWITCH
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109 #define C_OPTIMIZE_SWITCH "-O"
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110 #endif
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111
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112 #define MAIL_USE_LOCKF
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113
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114 /* XEmacs: from dkeller@VNET.IBM.COM */
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115 #define BROKEN_SIGIO
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116
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117 #ifndef NOT_C_CODE
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118 #define _XFUNCS_H_ 1
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119
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120 /* #### we don't use either any more. some AIX user should delete the include
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121 * and see if anything breaks. --ben */
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122 /* AIX is happier when bzero and strcasecmp are declared */
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123 #include "strings.h"
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124
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125 /* Forward declarations for xlc warning suppressions */
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126 struct ether_addr;
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127 struct sockaddr_dl;
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128
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129 #ifdef __xlC__ /* "eXceLlent C compiler" ?! */
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130 #if __xlC__ >= 1200
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131 /* IBM's C compiler option `-O3' is too aggressive.
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132 * We recommend instead the combination `-O3 -qstrict', which seems safe.
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133 *
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134 * cc -O3 miscompiles at least two functions. From IBM's docs:
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135 *
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136 * IBM> -qstrict turns off the following optimizations:
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137 *
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138 * IBM> Performing code motion and scheduling on computations such as loads
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139 * IBM> and floating-point computations that may trigger an exception.
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140 *
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141 * Nevertheless, we try to work with these compiler options. */
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142 #pragma option_override (bytecount_to_charcount, "opt(strict,yes)")
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143 #pragma option_override (Fexpand_file_name, "opt(strict,yes)")
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144 #endif /* recent IBM C compiler */
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145 #endif /* IBM's C compiler */
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146
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147 #endif /* C code */
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148
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149 /* getaddrinfo is broken in AIX 4.3 as per IY04165.
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150 * At this time (2/21/2000), there's no PTF available.
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151 * -- Mike Sperber <mike@xemacs.org> */
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152
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153 #undef HAVE_GETADDRINFO
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154
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155 #ifdef __GNUC__
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156 #undef _NO_PROTO
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157 #endif
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158
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159 /* For AIX, it turns out compiling emacs under AIX 3.2.4 REQUIRES "cc -g"
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160 * because "cc -O" crashes. Under AIX 3.2.5, "cc -O" is required because
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161 * "cc -g" crashes. Go figure. --floppy@merlin.mit.edu.
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162 * 4.1 seems to need -g again. -- larry@vaquita.mitra.com. */
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163 /* David Edelsohn <dje@watson.ibm.com> says that this actually depends
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164 * on the version of XLC, which can't be predicted from the system version.
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165 * What a mess! */
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166 #ifndef __GNUC__
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167 #undef C_DEBUG_SWITCH
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168 #undef C_OPTIMIZE_SWITCH
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169 #define C_DEBUG_SWITCH "-g"
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170 #endif