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annotate src/s/aix4-2.h @ 5927:b58b74274fa2 cygwin

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author Henry Thompson <ht@markup.co.uk>
date Wed, 15 Dec 2021 19:02:33 +0000
parents 1f0b15040456
children
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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 * Copyright (C) 2010 Ben Wing.
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4 *
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5 * This file is part of XEmacs.
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6 *
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7 * XEmacs is free software: you can redistribute it and/or modify it
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8 * under the terms of the GNU General Public License as published by the
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9 * Free Software Foundation, either version 3 of the License, or (at your
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10 * option) any later version.
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11 *
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12 * XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 * for more details.
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16 *
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17 * You should have received a copy of the GNU General Public License
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18 * along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */
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19
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20 /* Synched up with: FSF 19.31. */
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21
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22 /*
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23 * Define symbols to identify the version of Unix this is.
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24 * Define all the symbols that apply correctly.
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25 */
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26
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27 #define USG /* System III, System V, etc */
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28 #define USG5
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29
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30 /* Specify IBM AIX version of system */
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31
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32 #ifndef AIX
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33 #define AIX
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34 #define AIX4
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35 #define AIX4_1
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36 #endif
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37
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38 /* This symbol should be defined on AIX Version 3 ??????? */
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39 #ifndef _AIX
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40 #define _AIX
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41 #endif
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42
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43 /* SYSTEM_TYPE should indicate the kind of system you are using.
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44 * It sets the Lisp variable system-type. */
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45
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46 #define SYSTEM_TYPE "aix"
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47
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48 /* Special itemss needed to make Emacs run on this system. */
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49
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50 #ifndef __GNUC__
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51 #define LINKER "cc"
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52 #endif
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53
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54 /* Deleted LIBS_DEBUG */
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55
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56 /* No need to specify -lc when linking. */
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57
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58 #define LIB_STANDARD
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59
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60 /* AIX doesn't define this. */
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61 #define unix 1
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62
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63 #ifndef __GNUC__
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64 /* Otherwise, XEmacs is just too big ... */
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65 #define C_SWITCH_SYSTEM "-mminimal-toc"
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66 #endif
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67
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68 #define HAVE_ALLOCA
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69
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70 /* FIXME: This was needed for AIX 4.1. Is it for AIX 4.2? */
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71 /* The character-composition stuff is broken in X11R5.
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72 * Even with XIMStatusNothing aliased to XIMStatusNone,
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73 * tranle@intellicorp.com (Minh Tran-Le) reports that enabling
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74 * the internationalization code causes the modifier keys C, M and Shift
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75 * to beep after a mouse click. */
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76 #define X11R5_INHIBIT_I18N
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77
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78 #define MAIL_USE_LOCKF
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79
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80 /* XEmacs: from dkeller@VNET.IBM.COM */
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81 #define BROKEN_SIGIO
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82
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83 #ifndef NOT_C_CODE
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84 #define _XFUNCS_H_ 1
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85
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86 /* #### we don't use either any more. some AIX user should delete the include
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87 * and see if anything breaks. --ben */
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88 /* AIX is happier when bzero and strcasecmp are declared */
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89 #include "strings.h"
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90
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91 /* Forward declarations for xlc warning suppressions */
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92 struct ether_addr;
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93 struct sockaddr_dl;
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94
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95 #ifdef __xlC__ /* "eXceLlent C compiler" ?! */
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96 #if __xlC__ >= 1200
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97 /* IBM's C compiler option `-O3' is too aggressive.
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98 * We recommend instead the combination `-O3 -qstrict', which seems safe.
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99 *
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100 * cc -O3 miscompiles at least two functions. From IBM's docs:
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101 *
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102 * IBM> -qstrict turns off the following optimizations:
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103 *
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104 * IBM> Performing code motion and scheduling on computations such as loads
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105 * IBM> and floating-point computations that may trigger an exception.
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106 *
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107 * Nevertheless, we try to work with these compiler options. */
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108 #pragma option_override (bytecount_to_charcount, "opt(strict,yes)")
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109 #pragma option_override (Fexpand_file_name, "opt(strict,yes)")
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110 #endif /* recent IBM C compiler */
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111 #endif /* IBM's C compiler */
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112
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113 #endif /* C code */
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114
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115 /* getaddrinfo is broken in AIX 4.3 as per IY04165.
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116 * At this time (2/21/2000), there's no PTF available.
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117 * -- Mike Sperber <mike@xemacs.org> */
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118
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119 #undef HAVE_GETADDRINFO
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120
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121 #ifdef __GNUC__
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122 #undef _NO_PROTO
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123 #endif
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124
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125 /* XEmacs: C_DEBUG_SWITCH, C_OPTIMIZE_SWITCH no longer used */