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428
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1 /* This file is the configuration file for the GNU/Linux operating system,
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2 prior to version 1.1.56.
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3 Copyright (C) 1985, 1986, 1992, 1994 Free Software Foundation, Inc.
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4
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5 This file is part of GNU Emacs.
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6
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7 GNU Emacs is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2, or (at your option)
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10 any later version.
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11
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12 GNU Emacs is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: FSF 19.31 (called, ahem ... lignux.h in FSF). */
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23
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24 /* This file was put together by Michael K. Johnson and Rik Faith. */
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25
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26 #define USG
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27 #define LINUX
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28
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29 /* powerpc gcc 2.8.0 doesn't define __ELF__, but it is */
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30
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31 #if defined(__ELF__) || defined(powerpc)
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32 #define LINUX_ELF
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33 #endif
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34
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35 /* SYSTEM_TYPE should indicate the kind of system you are using.
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36 It sets the Lisp variable system-type. */
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37
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38 #define SYSTEM_TYPE "linux" /* All the best software is free. */
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39
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40 /* define MAIL_USE_FLOCK if the mailer uses flock
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41 to interlock access to /usr/spool/mail/$USER.
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42 The alternative is that a lock file named
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43 /usr/spool/mail/$USER.lock. */
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44
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45 /* Both are used in Linux by different mail programs. I assume that most
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46 people are using newer mailers that have heard of flock. Change this
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47 if you need to. */
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48
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49 /*#define MAIL_USE_FLOCK*/
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50
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51 /* Here, on a separate page, add any special hacks needed
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52 to make Emacs work on this system. For example,
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53 you might define certain system call names that don't
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54 exist on your system, or that do different things on
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55 your system and must be used only through an encapsulation
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56 (Which you should place, by convention, in sysdep.c). */
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57
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58 /* On POSIX 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_CLOSE
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67 #define INTERRUPTIBLE_IO
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68
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69 /* This is needed for dispnew.c:update_frame */
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70
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71 #ifndef NOT_C_CODE
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72 #include <stdio.h> /* Get the definition of _IO_STDIO_H. */
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73 #if defined(_IO_STDIO_H) || defined(_STDIO_USES_IOSTREAM)
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74 /* new C libio names */
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75 #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
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76 ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)
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77 #else /* !_IO_STDIO_H */
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78 /* old C++ iostream names */
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79 #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
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80 ((FILE)->_pptr - (FILE)->_pbase)
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81 #endif /* !_IO_STDIO_H */
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82 #endif /* C_CODE */
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83
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84 /* Ask GCC where to find libgcc.a. */
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85 #define LIB_GCC "`$(CC) $(C_SWITCH_X_SITE) -print-libgcc-file-name`"
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86
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87 #ifndef LINUX_ELF
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88 /* Linux has crt0.o in a non-standard place */
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89 #define START_FILES "pre-crt0.o /usr/lib/crt0.o"
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90 #else
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91 /**/
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92 #if defined(__linux__) && defined(powerpc) /*Added by Fukui*/
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93 #define START_FILES /*Added by Fukui*/
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94 #else /*Added by Fukui*/
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95
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96 #define START_FILES "pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o"
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97 #endif /*Added by Fukui*/
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98 #endif
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99
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100 /* This is needed for sysdep.c */
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101
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102 #define NO_SIOCTL_H /* don't have sioctl.h */
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103
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104 #define HAVE_SYS_SIGLIST
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105 #define HAVE_WAIT_HEADER
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106
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107 #define POSIX /* affects getpagesize.h and systty.h */
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108
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109 /* Best not to include -lg, unless it is last on the command line */
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110 #define LIBS_DEBUG
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111 #define LIBS_TERMCAP "-ltermcap -lcurses" /* save some space with shared libs*/
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112 #ifndef LINUX_ELF
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113 #define LIB_STANDARD "-lc" /* avoid -lPW */
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114 #else
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115 /*#undef LIB_GCC
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116 #define LIB_GCC*/
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117 #define LIB_STANDARD "-lgcc -lc -lgcc /usr/lib/crtn.o"
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118 #define LINKER "$(CC) -nostdlib"
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119 #endif
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120
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121 #ifdef TERM
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122 #define LIBS_SYSTEM "-lclient"
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123 #define C_SWITCH_SYSTEM "-I/usr/src/term"
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124 #else
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125 /* alane@wozzle.linet.org says that -lipc is not a separate library,
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126 since libc-4.4.1. So -lipc was deleted. */
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127 #define LIBS_SYSTEM
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128 #endif
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129
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130 #ifdef LINUX_ELF
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131 #define UNEXEC "unexelf.o"
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132 #define UNEXEC_USE_MAP_PRIVATE
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133 #if 0
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134 /* mrb - Ordinary link is simple and effective */
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135 /* slb - Not any more ... :-( */
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136 #define ORDINARY_LINK
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137 #endif /* 0 */
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138
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139 /* I still think ORDINARY_LINK should be the default, but since slb
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140 insists, ORDINARY_LINK will stay on until we expunge the dump code.
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141 However, the user (i.e. me!) should be able to specify ORDINARY_LINK via
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142 configure --cppflags=-DORDINARY_LINK ... */
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143 #ifdef ORDINARY_LINK
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144 #undef LIB_STANDARD
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145 #undef START_FILES
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146 #undef LIB_GCC
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147 #endif
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148 #endif /* LINUX_ELF */
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149
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150 #ifdef LINUX_QMAGIC
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151
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152 #define HAVE_TEXT_START
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153 #define UNEXEC "unexsunos4.o"
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154 #define N_PAGSIZ(x) PAGE_SIZE
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155
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156 #else /* not LINUX_QMAGIC */
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157
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158 #define A_TEXT_OFFSET(hdr) (N_MAGIC(hdr) == QMAGIC ? sizeof (struct exec) : 0)
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159 #define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
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160 #define ADJUST_EXEC_HEADER \
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161 unexec_text_start = N_TXTADDR(ohdr) + A_TEXT_OFFSET(ohdr)
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162
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163 #endif /* not LINUX_QMAGIC */
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164
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165 /* This is to work around mysterious gcc failures in some system versions.
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166 It is unlikely that Emacs changes will work around this problem;
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167 therefore, this should remain permanently. */
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168 #ifndef HAVE_XRMSETDATABASE
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169 #define HAVE_XRMSETDATABASE
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170 #endif
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171
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172 /* The regex.o routines are a part of the GNU C-library used with Linux. */
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173 /* However, sometimes they disagree with the src/regex.h that comes with Emacs,
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174 and that can make trouble in etags.c because it gets the regex.h from Emacs
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175 and the function definitions in libc. So turn this off. */
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176 /* XEmacs: in any case, Mule uses different regex routines. */
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177 /* #define REGEXP_IN_LIBC */
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178
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179 /* XEmacs change: the standard linux libc includes regex routines in
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180 it. We have to use our own and have to avoid name conflicts. */
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181
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182 #define re_compile_pattern sys_re_compile_pattern
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183 #define re_search sys_re_search
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184 #define re_search_2 sys_re_search_2
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185 #define re_match_2 sys_re_match_2
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186 #define re_max_failures sys_re_max_failures
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187 #define re_set_syntax sys_re_set_syntax
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188 #define re_set_registers sys_re_set_registers
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189 #define re_compile_fastmap sys_re_compile_fastmap
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190 #define re_match sys_re_match
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191 #define regcomp sys_regcomp
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192 #define regexec sys_regexec
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193 #define regerror sys_regerror
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194 #define regfree sys_regfree
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195
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196 #if 0 /* mrb - if autoconf 2 is wrong, we should fix the test */
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197 /* XEmacs: Damon Lipparelli says that he incorrectly gets this
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198 defined on his system */
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199 #undef GETTIMEOFDAY_ONE_ARGUMENT
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200 #endif /* 0 */
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201
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202 /* Use BSD process groups, but use setpgid() instead of setpgrp() to
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203 actually set a process group. */
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204
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205 /* XEmacs: removed setpgrp() definition because we use setpgid() when
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206 it's available, and autodetect it. */
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442
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207
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