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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 FIRST_PTY_LETTER 'p'
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41 #define HAVE_PTYS
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42
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43 /* define MAIL_USE_FLOCK if the mailer uses flock
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44 to interlock access to /usr/spool/mail/$USER.
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45 The alternative is that a lock file named
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46 /usr/spool/mail/$USER.lock. */
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47
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48 /* Both are used in Linux by different mail programs. I assume that most
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49 people are using newer mailers that have heard of flock. Change this
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50 if you need to. */
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51
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52 /*#define MAIL_USE_FLOCK*/
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53
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54 /* Here, on a separate page, add any special hacks needed
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55 to make Emacs work on this system. For example,
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56 you might define certain system call names that don't
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57 exist on your system, or that do different things on
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58 your system and must be used only through an encapsulation
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59 (Which you should place, by convention, in sysdep.c). */
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60
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61 /* On POSIX systems the system calls are interruptible by signals
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62 that the user program has elected to catch. Thus the system call
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63 must be retried in these cases. To handle this without massive
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64 changes in the source code, we remap the standard system call names
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65 to names for our own functions in sysdep.c that do the system call
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66 with retries. */
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67
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68 #define INTERRUPTIBLE_OPEN
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69 #define INTERRUPTIBLE_CLOSE
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70 #define INTERRUPTIBLE_IO
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71
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72 /* This is needed for dispnew.c:update_frame */
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73
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74 #ifndef NOT_C_CODE
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75 #include <stdio.h> /* Get the definition of _IO_STDIO_H. */
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76 #if defined(_IO_STDIO_H) || defined(_STDIO_USES_IOSTREAM)
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77 /* new C libio names */
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78 #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
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79 ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)
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80 #else /* !_IO_STDIO_H */
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81 /* old C++ iostream names */
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82 #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
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83 ((FILE)->_pptr - (FILE)->_pbase)
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84 #endif /* !_IO_STDIO_H */
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85 #endif /* C_CODE */
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86
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87 /* Ask GCC where to find libgcc.a. */
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88 #define LIB_GCC "`$(CC) $(C_SWITCH_X_SITE) -print-libgcc-file-name`"
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89
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90 #ifndef LINUX_ELF
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91 /* Linux has crt0.o in a non-standard place */
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92 #define START_FILES "pre-crt0.o /usr/lib/crt0.o"
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93 #else
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94 /**/
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95 #if defined(__linux__) && defined(powerpc) /*Added by Fukui*/
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96 #define START_FILES /*Added by Fukui*/
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97 #else /*Added by Fukui*/
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98
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99 #define START_FILES "pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o"
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100 #endif /*Added by Fukui*/
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101 #endif
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102
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103 /* This is needed for sysdep.c */
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104
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105 #define NO_SIOCTL_H /* don't have sioctl.h */
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106
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107 #define HAVE_SYS_SIGLIST
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108 #define HAVE_WAIT_HEADER
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109
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110 #define POSIX /* affects getpagesize.h and systty.h */
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111
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112 /* Best not to include -lg, unless it is last on the command line */
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113 #define LIBS_DEBUG
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114 #define LIBS_TERMCAP "-ltermcap -lcurses" /* save some space with shared libs*/
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115 #ifndef LINUX_ELF
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116 #define LIB_STANDARD "-lc" /* avoid -lPW */
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117 #else
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118 /*#undef LIB_GCC
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119 #define LIB_GCC*/
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120 #define LIB_STANDARD "-lgcc -lc -lgcc /usr/lib/crtn.o"
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121 #define LINKER "$(CC) -nostdlib"
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122 #endif
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123
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124 #ifdef TERM
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125 #define LIBS_SYSTEM "-lclient"
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126 #define C_SWITCH_SYSTEM "-I/usr/src/term"
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127 #else
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128 /* alane@wozzle.linet.org says that -lipc is not a separate library,
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129 since libc-4.4.1. So -lipc was deleted. */
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130 #define LIBS_SYSTEM
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131 #endif
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132
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133 #ifdef LINUX_ELF
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134 #define UNEXEC "unexelf.o"
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135 #define UNEXEC_USE_MAP_PRIVATE
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136 #if 0
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137 /* mrb - Ordinary link is simple and effective */
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138 /* slb - Not any more ... :-( */
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139 #define ORDINARY_LINK
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140 #endif /* 0 */
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141
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142 /* I still think ORDINARY_LINK should be the default, but since slb
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143 insists, ORDINARY_LINK will stay on until we expunge the dump code.
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144 However, the user (i.e. me!) should be able to specify ORDINARY_LINK via
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145 configure --cppflags=-DORDINARY_LINK ... */
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146 #ifdef ORDINARY_LINK
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147 #undef LIB_STANDARD
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148 #undef START_FILES
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149 #undef LIB_GCC
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150 #endif
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151 #endif /* LINUX_ELF */
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152
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153 #ifdef LINUX_QMAGIC
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154
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155 #define HAVE_TEXT_START
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156 #define UNEXEC "unexsunos4.o"
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157 #define N_PAGSIZ(x) PAGE_SIZE
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158
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159 #else /* not LINUX_QMAGIC */
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160
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161 #define A_TEXT_OFFSET(hdr) (N_MAGIC(hdr) == QMAGIC ? sizeof (struct exec) : 0)
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162 #define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
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163 #define ADJUST_EXEC_HEADER \
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164 unexec_text_start = N_TXTADDR(ohdr) + A_TEXT_OFFSET(ohdr)
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165
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166 #endif /* not LINUX_QMAGIC */
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167
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168 /* This is to work around mysterious gcc failures in some system versions.
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169 It is unlikely that Emacs changes will work around this problem;
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170 therefore, this should remain permanently. */
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171 #ifndef HAVE_XRMSETDATABASE
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172 #define HAVE_XRMSETDATABASE
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173 #endif
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174
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175 /* The regex.o routines are a part of the GNU C-library used with Linux. */
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176 /* However, sometimes they disagree with the src/regex.h that comes with Emacs,
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177 and that can make trouble in etags.c because it gets the regex.h from Emacs
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178 and the function definitions in libc. So turn this off. */
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179 /* XEmacs: in any case, Mule uses different regex routines. */
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180 /* #define REGEXP_IN_LIBC */
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181
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182 /* XEmacs change: the standard linux libc includes regex routines in
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183 it. We have to use our own and have to avoid name conflicts. */
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184
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185 #define re_compile_pattern sys_re_compile_pattern
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186 #define re_search sys_re_search
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187 #define re_search_2 sys_re_search_2
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188 #define re_match_2 sys_re_match_2
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189 #define re_max_failures sys_re_max_failures
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190 #define re_set_syntax sys_re_set_syntax
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191 #define re_set_registers sys_re_set_registers
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192 #define re_compile_fastmap sys_re_compile_fastmap
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193 #define re_match sys_re_match
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194 #define regcomp sys_regcomp
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195 #define regexec sys_regexec
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196 #define regerror sys_regerror
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197 #define regfree sys_regfree
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198
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199 #if 0 /* mrb - if autoconf 2 is wrong, we should fix the test */
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200 /* XEmacs: Damon Lipparelli says that he incorrectly gets this
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201 defined on his system */
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202 #undef GETTIMEOFDAY_ONE_ARGUMENT
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203 #endif /* 0 */
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204
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205 /* Use BSD process groups, but use setpgid() instead of setpgrp() to
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206 actually set a process group. */
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207
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208 /* XEmacs: removed setpgrp() definition because we use setpgid() when
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209 it's available, and autodetect it. */
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442
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210
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