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1 /* System description file for Windows 9x and NT.
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2 Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
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3 Copyright (C) 2001 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs 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 XEmacs 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. */
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23
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442
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24 /* Capsule summary of different preprocessor flags:
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25
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26 1. Keep in mind that there are two possible OS environments we are dealing
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27 with -- Cygwin and Native Windows. MS Windows natively provides
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28 file-system, process, and window-system services through the Win32 API,
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29 implemented by various DLL's. (The most important and KERNEL32, USER32,
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30 and GDI32. KERNEL32 implements the basic file-system and process
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31 services. USER32 implements the fundamental window-system services
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32 such as creating windows and handling messages. GDI32 implements
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33 higher-level drawing capabilities -- fonts, colors, lines, etc.) The C
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34 library is implemented on top of Win32 using either MSVCRT (dynamically
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35 linked) or LIBC.LIB (statically linked). Cygwin provides a POSIX
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36 emulation layer on top of MS Windows -- in particular, providing the
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37 file-system, process, tty, and signal semantics that are part of a
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38 modern, standard Unix operating system. Cygwin does this using its own
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39 DLL, cygwin1.dll, which makes calls to the Win32 API services in
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40 kernel32.dll. Cygwin also provides its own implementation of the C
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41 library, called `newlib' (libcygwin.a; libc.a and libm.a are symlinked
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42 to it), which is implemented on top of the Unix system calls provided
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43 in cygwin1.dll. In addition, Cygwin provides static import libraries
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44 that give you direct access to the Win32 API -- XEmacs uses this to
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45 provide GUI support under Cygwin. The two environments also use
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46 different compilers -- Native Windows uses Visual C++, and Cygwin uses
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47 GCC. (MINGW, however, is a way of using GCC to target the Native
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48 Windows environment. This works similarly to building with Cygwin, but
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49 the resulting executable does not use the Cygwin DLL. Instead, MINGW
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50 provides import libraries for the standard C library DLL's
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51 (specifically CRTDLL -- #### how does this differ from MSVCRT and
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52 LIBC.LIB?).)
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53
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54 2. There are two windowing environments we can target XEmacs for when
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55 running under MS Windows -- Windows native, and X. (It may seem strange
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56 to write an X application under Windows, but there are in fact many X
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57 servers out there running on Windows, and as far as I know there is no
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58 real (or at least, that works well) networking Window-system extension
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59 under MS Windows. Furthermore, if you're porting a Unix application to
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60 Windows and use Cygwin to assist you, it might seem natural to use an
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61 X server to avoid having to port all the code to Windows.) For XEmacs,
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62 there are various reasons people could come up with for why we would
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63 want to keep maintaining X Windows under MS Windows support.
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64
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65 That gives us four possible build environments. I (Ben) build
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66 regularly on fully-native-everything, Andy builds on Cygwin + MS
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67 Windows + X Windows for windowing.
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68
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69 The build flags used for these divisions are:
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70
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71 CYGWIN -- for Cygwin-only stuff.
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72 WIN32_NATIVE -- Win32 native OS-level stuff (files, process, etc.). Applies
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73 whenever linking against the native C libraries -- i.e.
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74 all compilations with VC++ and with MINGW, but never Cygwin.
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75 HAVE_X_WINDOWS -- for X Windows (regardless of whether under MS Win)
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76 HAVE_MS_WINDOWS -- MS Windows native windowing system (anything related to
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77 the appearance of the graphical screen). May or may not
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78 apply to any of VC++, MINGW, Cygwin.
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79
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80 Finally, there's also the MINGW build environment, which uses GCC
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81 \(similar to Cygwin), but native MS Windows libraries rather than a
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82 POSIX emulation layer (the Cygwin approach). This environment defines
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83 WIN32_NATIVE, but also defines MINGW, which is used mostly because
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84 uses its own include files (related to Cygwin), which have a few
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85 things messed up.
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86
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87
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88 Formerly, we had a whole host of flags. Here's the conversion, for porting
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89 code from GNU Emacs and such:
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90
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91
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92 WINDOWSNT -> WIN32_NATIVE
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93 WIN32 -> WIN32_NATIVE
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94 _WIN32 -> WIN32_NATIVE
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95 HAVE_WIN32 -> WIN32_NATIVE
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96 DOS_NT -> WIN32_NATIVE
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97 HAVE_NTGUI -> WIN32_NATIVE, unless it ends up already bracketed by this
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98 HAVE_FACES -> always true
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99 MSDOS -> determine whether this code is really specific to MS-DOS (and not
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100 Windows -- e.g. DJGPP code); if so, delete the code; otherwise,
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101 convert to WIN32_NATIVE (we do not support MS-DOS w/DOS Extender
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102 under XEmacs)
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103
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104 __CYGWIN__ -> CYGWIN
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105 __CYGWIN32__ -> CYGWIN
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106 __MINGW32__ -> MINGW
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107
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108 */
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109
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110 #include "win32-native.h"
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111
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112 /* In case non-Microsoft compiler is used, we fake _MSC_VER */
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113 #ifndef _MSC_VER
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114 #define _MSC_VER 1
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115 #endif
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116
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117 /* Stuff from old nt/config.h: */
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118
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119 #define NTHEAP_PROBE_BASE 1
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120
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121 #define LISP_FLOAT_TYPE
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122
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123 #ifdef HAVE_X_WINDOWS
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124
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125 #define HAVE_XREGISTERIMINSTANTIATECALLBACK
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126
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127 #define THIS_IS_X11R6
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128 #define HAVE_XMU
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129 #define HAVE_XLOCALE_H
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130 #define HAVE_X11_LOCALE_H
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131 #define GETTIMEOFDAY_ONE_ARGUMENT
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132
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133 #define LWLIB_USES_ATHENA
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134 #define LWLIB_MENUBARS_LUCID
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135 #define LWLIB_SCROLLBARS_LUCID
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136 #define LWLIB_DIALOGS_ATHENA
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137 #define LWLIB_TABS_LUCID
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138 #define LWLIB_WIDGETS_ATHENA
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139
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140 /* These are what gets defined under Cygwin */
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141 #define _BSD_SOURCE 1
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142 #define _SVID_SOURCE 1
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143 #define X_LOCALE 1
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144 #define NARROWPROTO 1
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145
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146 #endif /* HAVE_X_WINDOWS */
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147
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148 #define HAVE_LOCALE_H
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149 #define STDC_HEADERS
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150
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151 #define HAVE_LONG_FILE_NAMES
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152
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153 #define HAVE_TIMEVAL
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154 #define HAVE_TZNAME
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155 #define HAVE_H_ERRNO
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156
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157 #define HAVE_CLOSEDIR
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158 #define HAVE_DUP2
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159 #define HAVE_EXECVPE
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160 #define HAVE_FMOD
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161 #define HAVE_FREXP
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162 #define HAVE_FTIME
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163 #define HAVE_GETCWD
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164 #define HAVE_GETHOSTNAME
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165 #define HAVE_GETPAGESIZE
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166 #define getpagesize() 4096
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167 #define HAVE_GETTIMEOFDAY
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168 #define HAVE_LINK
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169 #define HAVE_LOGB
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170 #define HAVE_MKDIR
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171 #define HAVE_MKTIME
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172 #define HAVE_RENAME
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173 #define HAVE_RMDIR
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174 #define HAVE_SELECT
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175 #define HAVE_STRERROR
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176
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177 #define HAVE_SOCKETS
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178
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179 #ifdef DEBUG_XEMACS
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180 #define USE_ASSERTIONS
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181 #define MEMORY_USAGE_STATS
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182 #define ERROR_CHECK_EXTENTS
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183 #define ERROR_CHECK_TYPECHECK
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184 #define ERROR_CHECK_CHARBPOS
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185 #define ERROR_CHECK_GC
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186 #define ERROR_CHECK_MALLOC
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187 #define ERROR_CHECK_BYTE_CODE
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188 #define ERROR_CHECK_GLYPHS
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189 #endif /* DEBUG_XEMACS */
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190
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191 #define HAVE_DRAGNDROP
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192
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193 #define SIZEOF_SHORT 2
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194 #define SIZEOF_INT 4
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195 #define SIZEOF_LONG 4
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196 #define SIZEOF_LONG_LONG 0
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197 #define SIZEOF_VOID_P 4
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198
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199 typedef int mode_t;
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200 typedef int pid_t;
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201 typedef int uid_t;
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202 typedef int gid_t;
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203 typedef int pid_t;
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204 typedef int ssize_t;
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205
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206 /* If your system uses COFF (Common Object File Format) then define the
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207 preprocessor symbol "COFF". */
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208
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209 #define COFF
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210
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211 /* define MAIL_USE_FLOCK if the mailer uses flock
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212 to interlock access to /usr/spool/mail/$USER.
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213 The alternative is that a lock file named
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214 /usr/spool/mail/$USER.lock. */
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215
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216 #define MAIL_USE_POP
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217 #define HAVE_LOCKING
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218 #define MAIL_USE_LOCKING
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219
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220 /* See unexnt.c */
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221 #if (_MSC_VER >= 1100)
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222 #define DUMP_SEPARATE_SECTION
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223 #endif
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224 #ifdef DUMP_SEPARATE_SECTION
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225 #pragma data_seg("xdata")
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226 #pragma bss_seg("xdata")
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227 #endif
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228
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229 #ifdef HAVE_SCROLLBARS
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230 /* Ensure the NT 4 mouse definitions in winuser.h are available */
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231 # ifndef _WIN32_WINNT
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232 # define _WIN32_WINNT 0x0400
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233 # endif
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234 #endif
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235
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236 /* Force the various NT 4 structures and constants to be included; we're
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237 careful not to call (or even link with) functions not in NT 3.51 when
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238 running on 3.51, but when running on NT 4 or Win9x, we use the later
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239 functions, and need their headers. */
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240 /* The VC++ (5.0, at least) headers treat WINVER non-existent as 0x0400 */
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241 #if defined (WINVER) && WINVER < 0x0400
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242 # undef WINVER
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243 # define WINVER 0x0400
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244 #endif
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245
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246 /* MSVC 6.0 has a mechanism to declare functions which never return */
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247 #if (_MSC_VER >= 1200)
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248 #define DOESNT_RETURN __declspec(noreturn) void
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249 #define DECLARE_DOESNT_RETURN(decl) __declspec(noreturn) extern void decl
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250 #define DECLARE_DOESNT_RETURN_GCC_ATTRIBUTE_SYNTAX_SUCKS(decl,str,idx) \
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251 __declspec(noreturn) extern void decl PRINTF_ARGS(str,idx)
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252 #endif /* MSVC 6.0 */
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253
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254 /* MSVC warnings no-no crap. When adding one to this section,
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255 1. Think twice
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256 2. Insert textual description of the warning.
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257 3. Think twice. Undo still works */
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258 #if (_MSC_VER >= 800)
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259
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260 /* 'expression' : signed/unsigned mismatch */
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261 /* #pragma warning ( disable : 4018 ) */
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262 /* unnamed type definition in parentheses
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263 (Martin added a pedantically correct definition of ALIGNOF, which
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264 generates temporary anonymous structures, and MSVC complains) */
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265 #pragma warning ( disable : 4116 )
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266
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267 #endif /* compiler understands #pragma warning*/
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268
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269 /* MSVC version >= 2.x without /Za supports __inline */
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270 #if (_MSC_VER < 900) || defined (__STDC__)
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271 # define inline
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272 #else
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273 # define inline __inline
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274 #endif
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275
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276 /* lisp.h defines abort() as a macro. therefore, we must include all
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277 files that contain prototypes for abort() before then. */
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278 #include <../include/process.h>
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