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428
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1 /* RTPC 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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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="usg5-2-2" */
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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 #ifndef IBMAIX
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31 #define IBMAIX
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32 #endif
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33
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34 /* No load average information appears in the AIX kernel. VRM has this
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35 info, and if anyone desires they should fix fns.c to get it out of VRM */
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36
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37 /* Define CANNOT_DUMP on machines where unexec does not work.
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38 Then the function dump-emacs will not be defined
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39 and temacs will do (load "loadup") automatically unless told otherwise. */
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40
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41 /* #define CANNOT_DUMP */
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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 #undef COFF
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46 #define NO_REMAP
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47
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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
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53 #define N_BADMAG(x) BADMAG(x)
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54 #define N_TXTOFF(x) A_TEXTPOS(x)
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55 #define N_SYMOFF(x) A_SYMPOS(x)
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56 #define A_TEXT_OFFSET(HDR) sizeof(HDR)
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57 #define ADJUST_EXEC_HEADER \
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58 unexec_text_start += sizeof(hdr); \
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59 unexec_data_start = ohdr.a_dbase
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60 #undef ADDR_CORRECT
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61 #define ADDR_CORRECT(x) ((int)(x))
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62
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63 /* This is the offset of the executable's text, from the start of the file. */
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64
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65 #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
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66
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67 /* Define C_ALLOCA if this machine does not support a true alloca
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68 and the one written in C should be used instead.
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69 Define HAVE_ALLOCA to say that the system provides a properly
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70 working alloca function and it should be used.
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71 Define neither one if an assembler-language alloca
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72 in the file alloca.s should be used. */
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73
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74 #define C_ALLOCA
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75 #define STACK_DIRECTION -1 /* tell alloca.c which way it grows */
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76
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77 /* AIX has PTYs, so define here, along with macros needed to make them work. */
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78
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79 #define HAVE_PTYS
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80 #define PTY_ITERATION for (i=0; i<256; i++)
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81 #define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptc%d", i);
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82
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83 #define PTY_TTY_NAME_SPRINTF \
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84 { /* Check that server side not already open */ \
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85 if ((ioctl (*ptyv, PTYSTATUS, 0) & 0xFFFF) != 0) \
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86 { \
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87 close (*ptyv); \
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88 continue; \
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89 } \
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90 /* And finally to be sure we can open it later */ \
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91 sprintf (ptyname, "/dev/pts%d", i); \
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92 signal (SIGHUP,SIG_IGN); \
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93 } /* ignore hangup at process end */
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94
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95 /* TIOCNOTTY doesn't occur on AIX, but the rest
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96 of the conditionalized code in process.c does
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97 the right thing if we fake this out. */
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98 #define TIOCNOTTY IOCTYPE
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99
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100 /* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */
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101
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102 /* Specify the font for X to use. */
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103
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104 #define X_DEFAULT_FONT "Rom14.500"
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105
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106 /* Here override various assumptions in ymakefile */
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107
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108 /* On AIX 2.2.1, use these definitions instead
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109 #define C_SWITCH_MACHINE "-I/usr/include -Nn2000"
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110 #define LIBS_MACHINE "-lX -lrts"
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111 */
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112
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113 #define C_SWITCH_MACHINE "-I/usr/include -I/usr/include/bsd -Nn2000"
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114 #define LIBS_MACHINE "-lXMenu -lX -lsock -lbsd -lrts"
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115
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116 #define OBJECTS_MACHINE "hftctl.o"
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117 #define START_FILES "/lib/crt0.o"
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118 /* -lXMenu, -lX must precede -lsock, -lbsd */
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119 #define LD_SWITCH_MACHINE "-n -T0x10000000 -K -e start"
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120
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121 #if 0 /* I refuse to promulgate a recommendation that would make
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122 users unable to debug - RMS. */
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123 /* delete the following line to foil optimization, enable debugging */
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124 #define C_DEBUG_SWITCH "-O"
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125 #endif
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126
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127
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128 /* Setup to do some things BSD way - these won't work previous to AIX 2.1.2 */
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129
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130 #include </usr/include/bsd/BSDtoAIX.h>
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131
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132 /* AIX utimes allegedly causes SIGSEGV. */
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133 #undef HAVE_UTIMES /* override configuration decision */
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134
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135 /* rocky@watson.ibm.com says this is needed. */
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136 #define HAVE_FTIME
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