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428
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1 /* system description file for cygwin32.
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2 Copyright (C) 1993, 1994, 1995 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 /* Building under cygwin
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22 *
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442
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23 * The approach I have taken with this port is to use primarily the
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24 * UNIX code base adding stuff that is MS-Windows specific. This works
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25 * quite well, and is in keeping with my perception of the cygwin
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26 * philosophy. Note that if you make changes to this file you do NOT
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27 * want to define WIN32_NATIVE (formerly "WINDOWSNT"), I repeat - do
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28 * not define this, it will break everything horribly. What does get
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29 * defined is HAVE_MS_WINDOWS, but this is done by configure and only
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30 * applies to the window system.
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428
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31 *
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32 * When building make sure your HOME path is unix style - i.e. without
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33 * a drive letter.
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34 *
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35 * once you have done this, configure and make.
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36 *
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37 * windows '95 - I haven't tested this under '95, it will probably
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38 * build but I konw there are some limitations with cygwin under 95 so
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39 * YMMV. I build with NT4 SP3.
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40 *
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41 * Andy Piper <andy@xemacs.org> 8/1/98
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42 * http://www.xemacs.freeserve.co.uk/ */
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43
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442
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44 /* Identify ourselves */
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45 #define CYGWIN
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46
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428
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47 /* cheesy way to determine cygwin version */
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48 #ifndef NOT_C_CODE
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442
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49 # include <signal.h>
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50 # ifdef HAVE_CYGWIN_VERSION_H
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51 # include <cygwin/version.h>
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52 # else
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53 # ifdef SIGIO
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54 # define CYGWIN_VERSION_DLL_MAJOR 19
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55 # define CYGWIN_VERSION_DLL_MINOR 0
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56 # define CYGWIN_B19
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57 # else
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58 # define CYGWIN_VERSION_DLL_MAJOR 18
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59 # define CYGWIN_VERSION_DLL_MINOR 0
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60 # define BROKEN_CYGWIN
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61 # endif
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62 # endif
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428
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63
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442
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64 # if CYGWIN_VERSION_DLL_MAJOR < 20
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65
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66 void cygwin32_win32_to_posix_path_list (const char*, char*);
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67 int cygwin32_win32_to_posix_path_list_buf_size (const char*);
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68 void cygwin32_posix_to_win32_path_list (const char*, char*);
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69 int cygwin32_posix_to_win32_path_list_buf_size (const char*);
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70
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71 #define cygwin_win32_to_posix_path_list cygwin32_win32_to_posix_path_list
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72 #define cygwin_win32_to_posix_path_list_buf_size \
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73 cygwin32_win32_to_posix_path_list_buf_size
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74 #define cygwin_posix_to_win32_path_list cygwin32_posix_to_win32_path_list
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75 #define cygwin_posix_to_win32_path_list_buf_size \
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76 cygwin32_posix_to_win32_path_list_buf_size
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77
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428
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78 struct timeval;
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79 struct timezone;
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80 struct itimerval;
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81 struct stat;
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442
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82 int gettimeofday (struct timeval *tp, struct timezone *tzp);
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83 int gethostname (char* name, int namelen);
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84 char* mktemp (char *);
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85 double logb (double);
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86 void sync (void);
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87 int ioctl (int, int, ...);
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88 /* sys/stat.h */
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89 int lstat (const char *path, struct stat *buf);
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90 /* unistd.h */
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91 int readlink (const char *path, void *buf, unsigned int bufsiz);
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92 int symlink (const char *name1, const char *name2);
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93 /* sys/time.h */
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94 int setitimer (int which, const struct itimerval *value,
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95 struct itimerval *ovalue);
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96 int utimes (char *file, struct timeval *tvp);
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428
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97
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442
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98 int srandom (unsigned seed);
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99 long random (void);
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100
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101 # else /* not CYGWIN_VERSION_DLL_MAJOR < 20 */
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102
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103 void cygwin_win32_to_posix_path_list (const char*, char*);
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104 int cygwin_win32_to_posix_path_list_buf_size (const char*);
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105 void cygwin_posix_to_win32_path_list (const char*, char*);
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106 int cygwin_posix_to_win32_path_list_buf_size (const char*);
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428
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107
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442
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108 # endif /* CYGWIN_VERSION_DLL_MAJOR < 20 */
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440
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109
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442
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110 # if CYGWIN_VERSION_DLL_MAJOR <= 20
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111 char *getpass (const char *prompt);
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112 double logb (double);
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113 # endif /* CYGWIN_VERSION_DLL_MAJOR <= 20 */
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428
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114
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442
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115 /* Still left out of 1.1! */
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116 double logb (double);
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117
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428
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118 #endif
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119
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120 #ifndef ORDINARY_LINK
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121 #define ORDINARY_LINK
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122 #endif
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123
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124 #define C_SWITCH_SYSTEM -Wno-sign-compare -fno-caller-saves
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125 #define LIBS_SYSTEM -lwinmm
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442
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126 #define WIN32_LEAN_AND_MEAN
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428
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127
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128 #define TEXT_START -1
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129 #define TEXT_END -1
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130 #define DATA_END -1
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131 #define HEAP_IN_DATA
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442
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132 #define NO_LIM_DATA
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428
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133 #define UNEXEC "unexcw.o"
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134
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135 #ifdef CYGWIN_VERSION_DLL_MAJOR
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136 #if 0
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440
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137 /* #### FIXME: although defining BROKEN_SIGIO is correct for proper ^G
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428
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138 behavior, bugs in cygwin mean that xemacs locks up frequently if
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139 this is defined. */
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140 #define BROKEN_SIGIO
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141 #endif
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142 #else
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143 #define PROCESS_IO_BLOCKING
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144 #endif
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145 #define strnicmp strncasecmp
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146 #ifndef HAVE_SOCKETS
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147 #define HAVE_SOCKETS
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148 #endif
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149 #define OBJECTS_SYSTEM ntplay.o
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150
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151 #undef MAIL_USE_SYSTEM_LOCK
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152
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442
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153 /* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT
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154 since there is no load average available. */
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428
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155
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156 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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157 pure and impure space as loaded can vary, and even their
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158 relative order cannot be relied on.
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159
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160 Otherwise Emacs assumes that text space precedes data space,
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161 numerically. */
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162
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163 /* Text does precede data space, but this is never a safe assumption. */
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164 #define VIRT_ADDR_VARIES
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165
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166 /* If you are compiling with a non-C calling convention but need to
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167 declare vararg routines differently, put it here */
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168 #define _VARARGS_ __cdecl
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169
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170 /* If you are providing a function to something that will call the
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171 function back (like a signal handler and signal, or main) its calling
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172 convention must be whatever standard the libraries expect */
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173 #define _CALLBACK_ __cdecl
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174
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175 /* SYSTEM_TYPE should indicate the kind of system you are using.
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176 It sets the Lisp variable system-type. */
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177
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178 #define SYSTEM_TYPE "cygwin32"
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179
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180 #define NO_MATHERR
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181
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182 /* define MAIL_USE_FLOCK if the mailer uses flock
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183 to interlock access to /usr/spool/mail/$USER.
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184 The alternative is that a lock file named
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185 /usr/spool/mail/$USER.lock. */
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186
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187 /* If the character used to separate elements of the executable path
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188 is not ':', #define this to be the appropriate character constant. */
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189 #define SEPCHAR ':'
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190
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191 /* ============================================================ */
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192
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193 /* Here, add any special hacks needed
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194 to make Emacs work on this system. For example,
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195 you might define certain system call names that don't
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196 exist on your system, or that do different things on
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197 your system and must be used only through an encapsulation
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198 (Which you should place, by convention, in sysdep.c). */
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199
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200 /* Define this to be the separator between path elements */
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201 /* #define DIRECTORY_SEP XINT (Vdirectory_sep_char) */
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202
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203 /* Define this to be the separator between devices and paths */
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204 #define DEVICE_SEP ':'
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205
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206 /* We'll support either convention on NT. */
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207 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
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208 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
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209 #define EXEC_SUFFIXES ".exe:.com:.bat:.cmd:"
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210
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211 /* We need a little extra space, see ../../lisp/loadup.el */
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212 #define SYSTEM_PURESIZE_EXTRA 15000
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213
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214 #define CYGWIN_CONV_PATH(src, dst) \
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442
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215 dst = alloca (cygwin_win32_to_posix_path_list_buf_size(src)); \
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216 cygwin_win32_to_posix_path_list(src, dst)
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428
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217 #define CYGWIN_WIN32_PATH(src, dst) \
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442
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218 dst = alloca (cygwin_posix_to_win32_path_list_buf_size(src)); \
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219 cygwin_posix_to_win32_path_list(src, dst)
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