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1 /* This file is the configuration file for the GNU/Linux operating system,
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2 prior to version 1.1.56.
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3 Copyright (C) 1985, 1986, 1992, 1994 Free Software Foundation, Inc.
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4
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5 This file is part of GNU Emacs.
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6
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7 GNU Emacs 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 GNU Emacs 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 (called, ahem ... lignux.h in FSF). */
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23
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24 /* This file was put together by Michael K. Johnson and Rik Faith. */
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25
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26 #define USG
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27 #define LINUX
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28
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29 /* SYSTEM_TYPE should indicate the kind of system you are using.
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30 It sets the Lisp variable system-type. */
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31
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32 #define SYSTEM_TYPE "linux" /* All the best software is free. */
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33
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34 #define FIRST_PTY_LETTER 'p'
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35 #define HAVE_PTYS
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36
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37 /* define MAIL_USE_FLOCK if the mailer uses flock
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38 to interlock access to /usr/spool/mail/$USER.
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39 The alternative is that a lock file named
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40 /usr/spool/mail/$USER.lock. */
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41
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42 /* Both are used in Linux by different mail programs. I assume that most
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43 people are using newer mailers that have heard of flock. Change this
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44 if you need to. */
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45
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24
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46 /*#define MAIL_USE_FLOCK*/
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0
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47
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48 /* Here, on a separate page, add any special hacks needed
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49 to make Emacs work on this system. For example,
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50 you might define certain system call names that don't
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51 exist on your system, or that do different things on
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52 your system and must be used only through an encapsulation
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53 (Which you should place, by convention, in sysdep.c). */
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54
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55 /* On POSIX systems the system calls are interruptible by signals
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56 that the user program has elected to catch. Thus the system call
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57 must be retried in these cases. To handle this without massive
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58 changes in the source code, we remap the standard system call names
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59 to names for our own functions in sysdep.c that do the system call
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60 with retries. */
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61
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62 #define INTERRUPTIBLE_OPEN
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63 #define INTERRUPTIBLE_CLOSE
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64 #define INTERRUPTIBLE_IO
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65
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66 /* This is needed for dispnew.c:update_frame */
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67
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163
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68 #ifndef NOT_C_CODE
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0
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69 #include <stdio.h> /* Get the definition of _IO_STDIO_H. */
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70 #if defined(_IO_STDIO_H) || defined(_STDIO_USES_IOSTREAM)
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71 /* new C libio names */
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72 #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
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73 ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)
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74 #else /* !_IO_STDIO_H */
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75 /* old C++ iostream names */
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76 #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \
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77 ((FILE)->_pptr - (FILE)->_pbase)
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78 #endif /* !_IO_STDIO_H */
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163
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79 #endif /* C_CODE */
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0
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80
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81 /* Ask GCC where to find libgcc.a. */
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163
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82 #define LIB_GCC "`$(CC) $(C_SWITCH_X_SITE) -print-libgcc-file-name`"
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0
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83
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84 #ifndef __ELF__
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85 /* Linux has crt0.o in a non-standard place */
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163
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86 #define START_FILES "pre-crt0.o /usr/lib/crt0.o"
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0
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87 #else
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276
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88 /**/
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89 #if defined(__linux__) && defined(powerpc) /*Added by Fukui*/
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90 #define START_FILES /*Added by Fukui*/
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91 #else /*Added by Fukui*/
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92
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163
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93 #define START_FILES "pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o"
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276
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94 #endif /*Added by Fukui*/
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0
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95 #endif
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96
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97 /* This is needed for sysdep.c */
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98
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99 #define NO_SIOCTL_H /* don't have sioctl.h */
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100
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101 #define HAVE_SYS_SIGLIST
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102 #define HAVE_WAIT_HEADER
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103
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104 #define POSIX /* affects getpagesize.h and systty.h */
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105
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106 /* Best not to include -lg, unless it is last on the command line */
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107 #define LIBS_DEBUG
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163
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108 #define LIBS_TERMCAP "-ltermcap -lcurses" /* save some space with shared libs*/
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0
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109 #ifndef __ELF__
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163
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110 #define LIB_STANDARD "-lc" /* avoid -lPW */
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0
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111 #else
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272
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112 /*#undef LIB_GCC
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113 #define LIB_GCC*/
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163
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114 #define LIB_STANDARD "-lgcc -lc -lgcc /usr/lib/crtn.o"
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272
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115 #define LINKER "$(CC) -nostdlib"
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0
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116 #endif
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117
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118 #ifdef TERM
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163
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119 #define LIBS_SYSTEM "-lclient"
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120 #define C_SWITCH_SYSTEM "-I/usr/src/term"
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121 #else
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122 /* alane@wozzle.linet.org says that -lipc is not a separate library,
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123 since libc-4.4.1. So -lipc was deleted. */
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124 #define LIBS_SYSTEM
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157
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125 #endif
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126
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0
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127 #ifdef __ELF__
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157
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128 #define UNEXEC "unexelf.o"
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129 #define UNEXEC_USE_MAP_PRIVATE
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272
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130 #if 0
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163
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131 /* mrb - Ordinary link is simple and effective */
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272
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132 /* slb - Not any more ... :-( */
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163
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133 #define ORDINARY_LINK
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134 #undef LIB_STANDARD
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135 #undef START_FILES
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136 #undef LIB_GCC
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272
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137 #endif
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163
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138 #endif /* __ELF__ */
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0
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139
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140 #ifdef LINUX_QMAGIC
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141
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142 #define HAVE_TEXT_START
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157
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143 #define UNEXEC "unexsunos4.o"
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0
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144 #define N_PAGSIZ(x) PAGE_SIZE
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145
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146 #else /* not LINUX_QMAGIC */
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147
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148 #define A_TEXT_OFFSET(hdr) (N_MAGIC(hdr) == QMAGIC ? sizeof (struct exec) : 0)
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149 #define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
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150 #define ADJUST_EXEC_HEADER \
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151 unexec_text_start = N_TXTADDR(ohdr) + A_TEXT_OFFSET(ohdr)
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152
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153 #endif /* not LINUX_QMAGIC */
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154
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155 /* This is to work around mysterious gcc failures in some system versions.
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156 It is unlikely that Emacs changes will work around this problem;
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157 therefore, this should remain permanently. */
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158 #ifndef HAVE_XRMSETDATABASE
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159 #define HAVE_XRMSETDATABASE
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160 #endif
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161
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162 /* The regex.o routines are a part of the GNU C-library used with Linux. */
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163 /* However, sometimes they disagree with the src/regex.h that comes with Emacs,
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164 and that can make trouble in etags.c because it gets the regex.h from Emacs
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165 and the function definitions in libc. So turn this off. */
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166 /* XEmacs: in any case, Mule uses different regex routines. */
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167 /* #define REGEXP_IN_LIBC */
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168
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169 /* XEmacs change: the standard linux libc includes regex routines in
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170 it. We have to use our own and have to avoid name conflicts. */
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171
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172 #define re_compile_pattern sys_re_compile_pattern
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173 #define re_search sys_re_search
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174 #define re_search_2 sys_re_search_2
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175 #define re_match_2 sys_re_match_2
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176 #define re_max_failures sys_re_max_failures
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177 #define re_set_syntax sys_re_set_syntax
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178 #define re_set_registers sys_re_set_registers
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179 #define re_compile_fastmap sys_re_compile_fastmap
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180 #define re_match sys_re_match
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181 #define regcomp sys_regcomp
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182 #define regexec sys_regexec
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183 #define regerror sys_regerror
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184 #define regfree sys_regfree
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185
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163
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186 #if 0 /* mrb - if autoconf 2 is wrong, we should fix the test */
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0
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187 /* XEmacs: Damon Lipparelli says that he incorrectly gets this
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188 defined on his system */
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189 #undef GETTIMEOFDAY_ONE_ARGUMENT
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163
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190 #endif /* 0 */
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0
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191
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192 /* Use BSD process groups, but use setpgid() instead of setpgrp() to
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193 actually set a process group. */
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194
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195 /* XEmacs: removed setpgrp() definition because we use setpgid() when
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196 it's available, and autodetect it. */
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365
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197
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198 #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) && defined(HAVE_PTSNAME)
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199 /* UNIX98 PTYs are available.
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200 Added by Florian Weimer <Florian.Weimer@RUS.Uni-Stuttgart.DE>,
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201 RUS-CERT, University of Stuttgart. Based on Emacs code for DGUX. */
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202
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203 #define PTY_ITERATION for (i = 0; i < 1; i++)
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204 /* no iteration at all */
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205
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206 /* Use getpt() if it's available, because it provides Unix98 PTY
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207 emulation for kernels which doesn't support it natively. */
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208
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209 #ifdef HAVE_GETPT
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210 #define PTY_OPEN \
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211 do { \
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212 fd = getpt(); \
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213 if (fcntl (fd, F_SETFL, O_NDELAY) == -1) \
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214 fatal ("could not set master PTY to non-block mode"); \
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215 } while (0)
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216
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217 #else
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218 /* the master PTY device */
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219 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
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220 #endif
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221
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222 /* This sets the name of the slave side of the PTY. grantpt(3) and
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223 unlockpt(3) may fork a subprocess, so keep sigchld_handler() from
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224 intercepting that death. */
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225
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226 #define PTY_TTY_NAME_SPRINTF \
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227 { \
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228 char *ptsname(), *ptyname; \
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229 \
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367
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230 EMACS_BLOCK_SIGNAL (SIGCHLD); \
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365
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231 if (grantpt(fd) == -1) \
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232 fatal("could not grant slave pty"); \
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233 if (unlockpt(fd) == -1) \
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234 fatal("could not unlock slave pty"); \
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235 if (!(ptyname = ptsname(fd))) \
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236 fatal ("could not enable slave pty"); \
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237 strncpy(pty_name, ptyname, sizeof(pty_name)); \
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238 pty_name[sizeof(pty_name) - 1] = 0; \
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367
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239 EMACS_UNBLOCK_SIGNAL (SIGCHLD); \
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365
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240 }
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241
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242 #endif
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