src/s/irix3-3.h

   1 /* Definitions file for GNU Emacs running on Silicon Graphics Irix system 3.3.
   2    Copyright (C) 1987, 1990, 1999 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21
  22 /*
  23  *      Define symbols to identify the version of Unix this is.
  24  *      Define all the symbols that apply correctly.
  25  */
  26
  27 #define USG
  28 #define USG5
  29 #define IRIS
  30 #ifndef IRIX
  31 #define IRIX
  32 #endif
  33
  34 /* SYSTEM_TYPE should indicate the kind of system you are using.
  35  It sets the Lisp variable system-type.  */
  36
  37 #define SYSTEM_TYPE "irix"
  38
  39 /* nomultiplejobs should be defined if your system's shell
  40  does not have "job control" (the ability to stop a program,
  41  run some other program, then continue the first one).  */
  42
  43 /* #define NOMULTIPLEJOBS */
  44
  45 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  46
  47 /* #define INTERRUPT_INPUT */
  48
  49 /* Letter to use in finding device name of first pty,
  50   if system supports pty's.  'a' means it is /dev/ptya0  */
  51
  52 #define FIRST_PTY_LETTER 'a'
  53
  54 /*
  55  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  56  *      for terminal control.
  57  */
  58
  59 #define HAVE_TERMIO
  60
  61 /*
  62  *      Define HAVE_PTYS if the system supports pty devices.
  63  */
  64
  65 #define HAVE_PTYS
  66
  67 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  68
  69 #define HAVE_SOCKETS
  70
  71 /*
  72  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  73  *      The 4.2 opendir, etc., library functions.
  74  */
  75
  76 /* #define NONSYSTEM_DIR_LIBRARY */
  77
  78 /* Define this symbol if your system has the functions bcopy, etc. */
  79
  80 #define BSTRING
  81
  82 /* subprocesses should be defined if you want to
  83    have code for asynchronous subprocesses
  84    (as used in M-x compile and M-x shell).
  85    This is generally OS dependent, and not supported
  86    under most USG systems. */
  87
  88 #define subprocesses
  89
  90 /* If your system uses COFF (Common Object File Format) then define the
  91    preprocessor symbol "COFF". */
  92
  93 /* #define COFF */
  94
  95 /* define MAIL_USE_FLOCK if the mailer uses flock
  96    to interlock access to /usr/spool/mail/$USER.
  97    The alternative is that a lock file named
  98    /usr/spool/mail/$USER.lock.  */
  99
 100 #define MAIL_USE_FLOCK
 101
 102 /* Define CLASH_DETECTION if you want lock files to be written
 103    so that Emacs can tell instantly when you try to modify
 104    a file that someone else has modified in his Emacs.  */
 105
 106 /* #define CLASH_DETECTION */
 107
 108 /* The file containing the kernel's symbol table is called /unix.  */
 109
 110 #define KERNEL_FILE "/unix"
 111
 112 /* The symbol in the kernel where the load average is found
 113    is named _avenrun.  */
 114
 115 #define LDAV_SYMBOL "avenrun"
 116
 117 \f
 118 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 119    but they will run slower.  */
 120
 121 #define _setjmp setjmp
 122 #define _longjmp longjmp
 123
 124 /* On USG systems these have different names */
 125
 126 #define index strchr
 127 #define rindex strrchr
 128
 129 /* USG systems tend to put everything declared static
 130    into the initialized data area, which becomes pure after dumping Emacs.
 131    Foil this.  Emacs carefully avoids static vars inside functions.  */
 132
 133 /* #define static */
 134
 135 /* This is how to get the device name of the tty end of a pty.  */
 136 #define PTY_TTY_NAME_SPRINTF \
 137             sprintf (ptyname, "/dev/ttyq%d", minor (stb.st_rdev));
 138
 139
 140 #define HAVE_SYSVIPC
 141
 142 /* sioctl.h should be included where appropriate.  */
 143
 144 #define NEED_SIOCTL
 145
 146 /* This affects child_setup.  */
 147
 148 #define SETPGRP_RELEASES_CTTY
 149
 150 /* This was formerly in LIBS_MACHINE in iris4d.h,
 151    but it is not needed for newer system versions.  */
 152 #define LIBS_SYSTEM -lsun