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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 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 /* Building under cygwin
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23 *
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24 * The approach I have taken with this port is to use primarily the
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25 * UNIX code base adding stuff that is MS-Windows specific. This works
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26 * quite well, and is in keeping with my perception of the cygwin
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27 * philosophy. Note that if you make changes to this file you do NOT
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28 * want to define WIN32_NATIVE (formerly "WINDOWSNT"), I repeat - do
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29 * not define this, it will break everything horribly. What does get
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30 * defined is HAVE_MS_WINDOWS, but this is done by configure and only
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31 * applies to the window system.
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32 *
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33 * When building make sure your HOME path is unix style - i.e. without
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34 * a drive letter.
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35 *
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36 * once you have done this, configure and make.
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37 *
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38 * windows '95 - I haven't tested this under '95, it will probably
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39 * build but I konw there are some limitations with cygwin under 95 so
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40 * YMMV. I build with NT4 SP3.
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41 *
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42 * Andy Piper <andy@xemacs.org> 8/1/98
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43 * http://www.xemacs.freeserve.co.uk/ */
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44
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442
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45 /* Identify ourselves */
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46 #define CYGWIN
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47
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48 /* cheesy way to determine cygwin version */
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49 #ifndef NOT_C_CODE
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50 # include <signal.h>
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51 # include <cygwin/version.h>
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52
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53 void cygwin_win32_to_posix_path_list (const char *, char *);
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54 int cygwin_win32_to_posix_path_list_buf_size (const char *);
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55 void cygwin_posix_to_win32_path_list (const char *, char *);
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56 int cygwin_posix_to_win32_path_list_buf_size (const char *);
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57
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442
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58 /* Still left out of 1.1! */
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59 double logb (double);
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60 int killpg (int pgrp, int sig);
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61
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62 #endif
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63
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64 #ifndef ORDINARY_LINK
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65 #define ORDINARY_LINK
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66 #endif
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67
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68 #define C_SWITCH_SYSTEM -fno-caller-saves
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69 #define LIBS_SYSTEM -lwinmm
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70 #define WIN32_LEAN_AND_MEAN
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71
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72 #define TEXT_START -1
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73 #define TEXT_END -1
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74 #define DATA_END -1
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75 #define HEAP_IN_DATA
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442
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76 #define NO_LIM_DATA
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77 #define UNEXEC "unexcw.o"
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78
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79 #define BROKEN_SIGIO
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80
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613
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81 #define CYGWIN_BROKEN_SIGNALS
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82
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83 #define strnicmp strncasecmp
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84 #ifndef HAVE_SOCKETS
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85 #define HAVE_SOCKETS
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86 #endif
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87
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88 #undef MAIL_USE_SYSTEM_LOCK
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89
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442
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90 /* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT
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91 since there is no load average available. */
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92
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93 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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94 pure and impure space as loaded can vary, and even their
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95 relative order cannot be relied on.
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96
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97 Otherwise Emacs assumes that text space precedes data space,
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98 numerically. */
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99
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100 /* Text does precede data space, but this is never a safe assumption. */
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101 #define VIRT_ADDR_VARIES
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102
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103 /* If you are compiling with a non-C calling convention but need to
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104 declare vararg routines differently, put it here */
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105 #define _VARARGS_ __cdecl
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106
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107 /* If you are providing a function to something that will call the
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108 function back (like a signal handler and signal, or main) its calling
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109 convention must be whatever standard the libraries expect */
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110 #define _CALLBACK_ __cdecl
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111
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112 /* SYSTEM_TYPE should indicate the kind of system you are using.
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113 It sets the Lisp variable system-type. */
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114
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115 #define SYSTEM_TYPE "cygwin32"
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116
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117 #define NO_MATHERR
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118
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119 /* define MAIL_USE_FLOCK if the mailer uses flock
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120 to interlock access to /usr/spool/mail/$USER.
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121 The alternative is that a lock file named
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122 /usr/spool/mail/$USER.lock. */
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123
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124 /* If the character used to separate elements of the executable path
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125 is not ':', #define this to be the appropriate character constant. */
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126 #define SEPCHAR ':'
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127
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128 /* ============================================================ */
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129
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130 /* Here, add any special hacks needed
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131 to make Emacs work on this system. For example,
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132 you might define certain system call names that don't
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133 exist on your system, or that do different things on
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134 your system and must be used only through an encapsulation
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135 (Which you should place, by convention, in sysdep.c). */
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136
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137 /* Define this to be the separator between path elements */
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138 /* #define DIRECTORY_SEP XINT (Vdirectory_sep_char) */
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139
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140 /* Define this to be the separator between devices and paths */
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141 #define DEVICE_SEP ':'
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142
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143 /* We'll support either convention on NT. */
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144 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
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145 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
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146 #define EXEC_SUFFIXES ".exe:.com:.bat:.cmd:"
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147
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148 /* We need a little extra space, see ../../lisp/loadup.el */
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149 #define SYSTEM_PURESIZE_EXTRA 15000
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150
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151 #define CYGWIN_CONV_PATH(src, dst) \
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152 dst = alloca (cygwin_win32_to_posix_path_list_buf_size(src)); \
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153 cygwin_win32_to_posix_path_list(src, dst)
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154 /* !!#### more mule bogosity */
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155 #define CYGWIN_WIN32_PATH(src, dst) \
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156 dst = (Extbyte *) alloca (cygwin_posix_to_win32_path_list_buf_size(src)); \
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157 cygwin_posix_to_win32_path_list(src, dst)
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