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239
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1 /* System description file for cygwin32.
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231
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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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239
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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 * The important thing about building is that it is done on a binary
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32 * mounted filesystem. i.e. something mounted like: mount -b c:
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33 * /binary. If you do not do this then compilation of el files will
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34 * produce garbage. Make sure you have installed cygwin32 b18 +
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35 * patched dll (which can be found at http://www.lexa.ru/sos or on my
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36 * home page. Alternatively when b19 comes out the patched dll will be
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37 * unnecessary. Also make sure your HOME path is unix style -
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38 * i.e. without a drive letter.
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39 *
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251
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40 * once you have done this, configure and make. If you want unexec
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41 * support you need to download coff.h from my web page or use cygwin
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42 * b19. You probably want to build with mule support since this
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43 * addresses crlf issues in a sensible way.
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44 *
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45 * What I want to do:
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239
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46 *
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47 * the fileio stuff merely uses the unix system calls this means that
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48 * the mount type of your fs will determine how files are edited. This
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49 * is fine except in the instance that you want to convert one to the
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50 * other. In this instance I would like to bring the buffer_file_type
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251
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51 * code into the picture without all the other windows-nt
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52 * cruft. Apparently the best way to do this is use the mule coding
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53 * stuff.
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239
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54 *
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251
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55 * process support needs fixing although basic support works (a la
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56 * make-docfile)
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239
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57 *
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58 * Andy Piper <andyp@parallax.co.uk> 8/1/98
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59 * http://www.parallax.co.uk/~andyp */
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231
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60
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251
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61 /* cheesy way to determine cygwin version */
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231
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62 #ifndef NOT_C_CODE
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251
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63 #include <signal.h>
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64 #ifdef SIGIO
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65 #define CYGWIN_B19
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66 #else
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67 #define BROKEN_CYGWIN
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68 #endif
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231
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69 #endif
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70
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245
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71 #ifdef HAVE_MS_WINDOWS
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231
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72 #define HAVE_NTGUI
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239
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73 #define HAVE_FACES
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245
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74 #endif
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231
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75
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76 #ifndef ORDINARY_LINK
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77 #define ORDINARY_LINK
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78 #endif
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79
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245
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80 #define C_SWITCH_SYSTEM -Wno-sign-compare
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231
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81 #undef MOD_ALT
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82 #undef MOD_CONTROL
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83 #undef MOD_SHIFT
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84
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85 #define SIF_TRACKPOS 0x0010
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86 #define FW_BLACK FW_HEAVY
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87 #define FW_ULTRABOLD FW_EXTRABOLD
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88 #define FW_ULTRALIGHT FW_EXTRALIGHT
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89 #define VK_APPS 0x5D
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251
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90 #define APPCMD_FILTERINITS 0x20L
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91 #define CBF_FAIL_SELFCONNECTIONS 0x1000
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92 #define CBF_SKIP_ALLNOTIFICATIONS 0x3C0000
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93 #define CBF_FAIL_ADVISES 0x4000
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94 #define CBF_FAIL_POKES 0x10000
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95 #define CBF_FAIL_REQUESTS 0x20000
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96 #define SZDDESYS_TOPIC "System"
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245
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97
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98 #define TEXT_START -1
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99 #define TEXT_END -1
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100 #define DATA_END -1
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251
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101 #define HEAP_IN_DATA
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245
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102 #define UNEXEC "unexcw.o"
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251
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103 #define BROKEN_SIGIO
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104 #define PROCESS_IO_BLOCKING
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105 #define strnicmp strncasecmp
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106 #ifndef HAVE_SOCKETS
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107 #define HAVE_SOCKETS
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108 #endif
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109
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110 #ifndef CYGWIN_B19
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111 #define TMPF_FIXED_PITCH 0x01
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112 #define SIGPROF 0
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113 #define SIGWINCH 0
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114 #endif
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231
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115
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116 #undef MAIL_USE_SYSTEM_LOCK
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117
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118 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
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119 * group of arguments and treat it as an array of the arguments. */
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120
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121 #define NO_ARG_ARRAY
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122
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123 /* Define WORD_MACHINE if addresses and such have
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124 * to be corrected before they can be used as byte counts. */
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125
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126 #define WORD_MACHINE
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127
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128 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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129 the 24-bit bit field into an int. In other words, if bit fields
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130 are always unsigned.
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131
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132 If you use NO_UNION_TYPE, this flag does not matter. */
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133
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134 #define EXPLICIT_SIGN_EXTEND
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135
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136 /* Data type of load average, as read out of kmem. */
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137
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138 #define LOAD_AVE_TYPE long
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139
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140 /* Convert that into an integer that is 100 for a load average of 1.0 */
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141
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142 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
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143
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144 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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145 pure and impure space as loaded can vary, and even their
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146 relative order cannot be relied on.
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147
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148 Otherwise Emacs assumes that text space precedes data space,
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149 numerically. */
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150
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151 /* Text does precede data space, but this is never a safe assumption. */
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152 #define VIRT_ADDR_VARIES
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153
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154 /* If you are compiling with a non-C calling convention but need to
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155 declare vararg routines differently, put it here */
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156 #define _VARARGS_ __cdecl
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157
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158 /* If you are providing a function to something that will call the
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159 function back (like a signal handler and signal, or main) its calling
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160 convention must be whatever standard the libraries expect */
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161 #define _CALLBACK_ __cdecl
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162
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163 /* SYSTEM_TYPE should indicate the kind of system you are using.
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164 It sets the Lisp variable system-type. */
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165
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245
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166 #define SYSTEM_TYPE "cygwin32"
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231
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167
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168 #define NO_MATHERR
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169
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170 /* NOMULTIPLEJOBS should be defined if your system's shell
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171 does not have "job control" (the ability to stop a program,
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172 run some other program, then continue the first one). */
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173
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174 #define NOMULTIPLEJOBS
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175
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176 /* define MAIL_USE_FLOCK if the mailer uses flock
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177 to interlock access to /usr/spool/mail/$USER.
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178 The alternative is that a lock file named
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179 /usr/spool/mail/$USER.lock. */
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180
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181 /* If the character used to separate elements of the executable path
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182 is not ':', #define this to be the appropriate character constant. */
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245
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183 #define SEPCHAR ':'
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231
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184
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185 /* ============================================================ */
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186
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187 /* Here, add any special hacks needed
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188 to make Emacs work on this system. For example,
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189 you might define certain system call names that don't
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190 exist on your system, or that do different things on
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191 your system and must be used only through an encapsulation
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192 (Which you should place, by convention, in sysdep.c). */
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193
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194 /* Define this to be the separator between path elements */
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195 /* #define DIRECTORY_SEP XINT (Vdirectory_sep_char) */
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196
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197 /* Define this to be the separator between devices and paths */
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198 #define DEVICE_SEP ':'
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199
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200 /* We'll support either convention on NT. */
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201 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
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202 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
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203
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204 /* The null device on Windows NT. */
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205 #define EXEC_SUFFIXES ".exe:.com:.bat:.cmd:"
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206
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207 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
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208
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209 /* We need a little extra space, see ../../lisp/loadup.el */
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210 #define SYSTEM_PURESIZE_EXTRA 15000
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211
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251
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212 /*
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213 * stolen from usg.
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214 */
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215 #define HAVE_PTYS
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216 #define FIRST_PTY_LETTER 'z'
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217
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218 /* Pseudo-terminal support under SVR4 only loops to deal with errors. */
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219
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220 #define PTY_ITERATION for (i = 0; i < 1; i++)
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221
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222 /* This sets the name of the master side of the PTY. */
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223
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224 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
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225
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226 /* This sets the name of the slave side of the PTY. On SysVr4,
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227 grantpt(3) forks a subprocess, so keep sigchld_handler() from
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228 intercepting that death. If any child but grantpt's should die
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229 within, it should be caught after EMACS_UNBLOCK_SIGNAL. */
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230
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231 #define PTY_OPEN \
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232 fd = open (pty_name, O_RDWR | O_NONBLOCK | OPEN_BINARY, 0)
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233
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234 #define PTY_TTY_NAME_SPRINTF \
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235 { \
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236 char *ptyname; \
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237 \
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238 if (!(ptyname = ptsname (fd))) \
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239 { close (fd); return -1; } \
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240 strncpy (pty_name, ptyname, sizeof (pty_name)); \
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241 pty_name[sizeof (pty_name) - 1] = 0; \
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242 }
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243
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231
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244 /* ============================================================ */
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251
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245
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