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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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23 * The approach I have taken with this port is to use primarily the UNIX
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24 * code base adding stuff that is MS-Windows specific. This works quite
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25 * well, and is in keeping with my perception of the cygwin philosophy.
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26 * Note that if you make changes to this file you do NOT want to define
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27 * WINDOWSNT, I repeat - do not define this, it will break everything
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28 * horribly. What does get defined is HAVE_MS_WINDOWS, but this is
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29 * done by configure and only applies to the window system.
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30 *
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31 * When building make sure your HOME path is unix style - i.e. without
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32 * a drive letter.
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33 *
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34 * once you have done this, configure and make.
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35 *
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36 * windows '95 - I haven't tested this under '95, it will probably
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37 * build but I konw there are some limitations with cygwin under 95 so
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38 * YMMV. I build with NT4 SP3.
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39 *
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40 * Andy Piper <andy@xemacs.org> 8/1/98
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41 * http://www.xemacs.freeserve.co.uk/ */
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42
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43 /* cheesy way to determine cygwin version */
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44 #ifndef NOT_C_CODE
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45 #include <signal.h>
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46 #ifdef HAVE_CYGWIN_VERSION_H
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47 #include <cygwin/version.h>
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48 #else
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49 #ifdef SIGIO
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430
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50 #define CYGWIN_VERSION_DLL_MAJOR 19
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51 #define CYGWIN_VERSION_DLL_MINOR 0
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428
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52 #define CYGWIN_B19
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53 #else
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430
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54 #define CYGWIN_VERSION_DLL_MAJOR 18
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55 #define CYGWIN_VERSION_DLL_MINOR 0
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428
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56 #define BROKEN_CYGWIN
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57 #endif
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58 #endif
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59
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60 extern void cygwin32_win32_to_posix_path_list(const char*, char*);
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61 extern int cygwin32_win32_to_posix_path_list_buf_size(const char*);
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62 extern void cygwin32_posix_to_win32_path_list(const char*, char*);
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63 extern int cygwin32_posix_to_win32_path_list_buf_size(const char*);
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430
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64 #if CYGWIN_VERSION_DLL_MAJOR < 20
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428
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65 struct timeval;
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66 struct timezone;
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67 struct itimerval;
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68 struct stat;
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69 extern int gettimeofday(struct timeval *tp, struct timezone *tzp);
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70 extern int gethostname (char* name, int namelen);
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71 extern char* mktemp(char *);
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72 extern double logb(double);
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73 extern void sync();
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74 extern int ioctl(int, int, ...);
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75 /* sys/stat.h */
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76 extern int lstat(const char *path, struct stat *buf);
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77 /* unistd.h */
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78 extern int readlink(const char *path, void *buf, unsigned int bufsiz);
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79 extern int symlink(const char *name1, const char *name2);
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80 /* sys/time.h */
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81 extern int setitimer(int which, const struct itimerval *value,
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82 struct itimerval *ovalue);
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83 extern int utimes(char *file, struct timeval *tvp);
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84
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85 extern int srandom( unsigned seed);
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86 extern long random();
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87
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88 #define SND_ASYNC 1
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89 #define SND_NODEFAULT 2
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90 #define SND_MEMORY 4
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91 #define SND_FILENAME 0x2000L
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92 #define VK_APPS 0x5D
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93 #define SIF_TRACKPOS 0x0010
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94 #define ICC_BAR_CLASSES 4
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95 #define FW_BLACK FW_HEAVY
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96 #define FW_ULTRABOLD FW_EXTRABOLD
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97 #define FW_DEMIBOLD FW_SEMIBOLD
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98 #define FW_ULTRALIGHT FW_EXTRALIGHT
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99 #define APPCMD_FILTERINITS 0x20L
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100 #define CBF_FAIL_SELFCONNECTIONS 0x1000
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101 #define CBF_SKIP_ALLNOTIFICATIONS 0x3C0000
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102 #define CBF_FAIL_ADVISES 0x4000
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103 #define CBF_FAIL_POKES 0x10000
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104 #define CBF_FAIL_REQUESTS 0x20000
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105 #define SZDDESYS_TOPIC "System"
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106 #define JOHAB_CHARSET 130
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107 #define MAC_CHARSET 77
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108
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109 #endif
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110 #endif
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111
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112 #ifndef SPI_GETWHEELSCROLLLINES
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113 #define SPI_GETWHEELSCROLLLINES 104
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114 #endif
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115 #ifndef WHEEL_PAGESCROLL
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116 #define WHEEL_PAGESCROLL (UINT_MAX)
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117 #endif
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118 #ifndef WHEEL_DELTA
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119 #define WHEEL_DELTA 120
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120 #endif
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121 #ifndef WM_MOUSEWHEEL
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122 #define WM_MOUSEWHEEL 0x20A
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123 #endif
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124
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125 #define PBS_SMOOTH 0x01
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126
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127 #ifdef HAVE_MS_WINDOWS
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128 #define HAVE_NTGUI
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129 #define HAVE_FACES
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130 #endif
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131
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132 #ifndef ORDINARY_LINK
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133 #define ORDINARY_LINK
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134 #endif
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135
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136 #define C_SWITCH_SYSTEM -Wno-sign-compare -fno-caller-saves
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137 #define LIBS_SYSTEM -lwinmm
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138
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139
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140 #define TEXT_START -1
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141 #define TEXT_END -1
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142 #define DATA_END -1
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143 #define HEAP_IN_DATA
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144 #define UNEXEC "unexcw.o"
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145
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146 #ifdef CYGWIN_VERSION_DLL_MAJOR
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147 #if 0
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148 /* ### FIXME: although defining BROKEN_SIGIO is correct for proper ^G
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149 behavior, bugs in cygwin mean that xemacs locks up frequently if
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150 this is defined. */
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151 #define BROKEN_SIGIO
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152 #endif
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153 #else
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154 #define PROCESS_IO_BLOCKING
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155 #endif
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156 #define strnicmp strncasecmp
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157 #ifndef HAVE_SOCKETS
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158 #define HAVE_SOCKETS
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159 #endif
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160 #define OBJECTS_SYSTEM ntplay.o
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161 #define HAVE_NATIVE_SOUND
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162
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163 #undef MAIL_USE_SYSTEM_LOCK
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164 #define MAIL_USE_POP
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165
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166 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
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167 * group of arguments and treat it as an array of the arguments. */
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168
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169 #define NO_ARG_ARRAY
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170
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171 /* Define WORD_MACHINE if addresses and such have
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172 * to be corrected before they can be used as byte counts. */
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173
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174 #define WORD_MACHINE
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175
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176 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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177 the 24-bit bit field into an int. In other words, if bit fields
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178 are always unsigned.
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179
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180 If you use NO_UNION_TYPE, this flag does not matter. */
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181
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182 #define EXPLICIT_SIGN_EXTEND
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183
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184 /* Data type of load average, as read out of kmem. */
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185
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186 #define LOAD_AVE_TYPE long
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187
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188 /* Convert that into an integer that is 100 for a load average of 1.0 */
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189
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190 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
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191
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192 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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193 pure and impure space as loaded can vary, and even their
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194 relative order cannot be relied on.
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195
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196 Otherwise Emacs assumes that text space precedes data space,
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197 numerically. */
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198
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199 /* Text does precede data space, but this is never a safe assumption. */
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200 #define VIRT_ADDR_VARIES
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201
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202 /* set this if you have a new version of cygwin
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203 #define DATA_SEG_BITS 0x10000000
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204 */
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205
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206 /* If you are compiling with a non-C calling convention but need to
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207 declare vararg routines differently, put it here */
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208 #define _VARARGS_ __cdecl
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209
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210 /* If you are providing a function to something that will call the
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211 function back (like a signal handler and signal, or main) its calling
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212 convention must be whatever standard the libraries expect */
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213 #define _CALLBACK_ __cdecl
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214
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215 /* SYSTEM_TYPE should indicate the kind of system you are using.
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216 It sets the Lisp variable system-type. */
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217
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218 #define SYSTEM_TYPE "cygwin32"
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219
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220 #define NO_MATHERR
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221
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222 /* define MAIL_USE_FLOCK if the mailer uses flock
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223 to interlock access to /usr/spool/mail/$USER.
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224 The alternative is that a lock file named
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225 /usr/spool/mail/$USER.lock. */
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226
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227 /* If the character used to separate elements of the executable path
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228 is not ':', #define this to be the appropriate character constant. */
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229 #define SEPCHAR ':'
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230
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231 /* ============================================================ */
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232
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233 /* Here, add any special hacks needed
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234 to make Emacs work on this system. For example,
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235 you might define certain system call names that don't
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236 exist on your system, or that do different things on
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237 your system and must be used only through an encapsulation
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238 (Which you should place, by convention, in sysdep.c). */
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239
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240 /* Define this to be the separator between path elements */
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241 /* #define DIRECTORY_SEP XINT (Vdirectory_sep_char) */
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242
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243 /* Define this to be the separator between devices and paths */
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244 #define DEVICE_SEP ':'
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245
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246 /* We'll support either convention on NT. */
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247 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
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248 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
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249 #define EXEC_SUFFIXES ".exe:.com:.bat:.cmd:"
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250
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251 /* We need a little extra space, see ../../lisp/loadup.el */
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252 #define SYSTEM_PURESIZE_EXTRA 15000
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253
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254 #define CYGWIN_CONV_PATH(src, dst) \
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255 dst = alloca (cygwin32_win32_to_posix_path_list_buf_size(src)); \
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256 cygwin32_win32_to_posix_path_list(src, dst)
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257 #define CYGWIN_WIN32_PATH(src, dst) \
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258 dst = alloca (cygwin32_posix_to_win32_path_list_buf_size(src)); \
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259 cygwin32_posix_to_win32_path_list(src, dst)
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260
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261 /*
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262 * stolen from usg.
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263 */
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264 #define HAVE_PTYS
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265 #define FIRST_PTY_LETTER 'z'
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266
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267 /* Pseudo-terminal support under SVR4 only loops to deal with errors. */
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268
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269 #define PTY_ITERATION for (i = 0, c = 0; i < 1; i++)
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270
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271 /* This sets the name of the master side of the PTY. */
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272
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273 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
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274
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275 /* This sets the name of the slave side of the PTY. On SysVr4,
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276 grantpt(3) forks a subprocess, so keep sigchld_handler() from
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277 intercepting that death. If any child but grantpt's should die
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278 within, it should be caught after EMACS_UNBLOCK_SIGNAL. */
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279
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280 #define PTY_OPEN \
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281 fd = open (pty_name, O_RDWR | O_NONBLOCK | OPEN_BINARY, 0)
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282
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283 #define PTY_TTY_NAME_SPRINTF \
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284 { \
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285 extern char* ptsname(int); \
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286 char *ptyname; \
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287 \
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288 if (!(ptyname = ptsname (fd))) \
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289 { close (fd); return -1; } \
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290 strncpy (pty_name, ptyname, sizeof (pty_name)); \
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291 pty_name[sizeof (pty_name) - 1] = 0; \
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292 }
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293
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294 /* ============================================================ */
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295
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