src/s/template.h

   1 /* Template for system description header files.
   2    This file describes the parameters that system description files
   3    should define or not.
   4    Copyright (C) 1985, 1986, 1992, 1999, 2001, 2002, 2003, 2004, 2005,
   5                  2006, 2007, 2008  Free Software Foundation, Inc.
   6
   7 This file is part of GNU Emacs.
   8
   9 GNU Emacs is free software: you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation, either version 3 of the License, or
  12 (at your option) any later version.
  13
  14 GNU Emacs is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22
  23 /*
  24  *      Define symbols to identify the version of Unix this is.
  25  *      Define all the symbols that apply correctly.
  26  */
  27
  28 /* #define UNIPLUS */
  29 /* #define USG5 */
  30 /* #define USG */
  31 /* #define HPUX */
  32 /* #define UMAX */
  33 /* #define BSD4_1 */
  34 /* #define BSD4_2 */
  35 /* #define BSD4_3 */
  36 /* #define BSD_SYSTEM */
  37 /* #define VMS */
  38
  39 /* SYSTEM_TYPE should indicate the kind of system you are using.
  40  It sets the Lisp variable system-type.  */
  41
  42 #define SYSTEM_TYPE "berkeley-unix"
  43
  44 /* NOMULTIPLEJOBS should be defined if your system's shell
  45  does not have "job control" (the ability to stop a program,
  46  run some other program, then continue the first one).  */
  47
  48 /* #define NOMULTIPLEJOBS */
  49
  50 /* Emacs can read input using SIGIO and buffering characters itself,
  51    or using CBREAK mode and making C-g cause SIGINT.
  52    The choice is controlled by the variable interrupt_input.
  53
  54    Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
  55
  56    Emacs uses the presence or absence of the SIGIO and BROKEN_SIGIO macros
  57    to indicate whether or not signal-driven I/O is possible.  It uses
  58    INTERRUPT_INPUT to decide whether to use it by default.
  59
  60    SIGIO can be used only on systems that implement it (4.2 and 4.3).
  61    CBREAK mode has two disadvantages
  62      1) At least in 4.2, it is impossible to handle the Meta key properly.
  63         I hear that in system V this problem does not exist.
  64      2) Control-G causes output to be discarded.
  65         I do not know whether this can be fixed in system V.
  66
  67    Another method of doing input is planned but not implemented.
  68    It would have Emacs fork off a separate process
  69    to read the input and send it to the true Emacs process
  70    through a pipe. */
  71
  72 #define INTERRUPT_INPUT
  73
  74 /* Letter to use in finding device name of first pty,
  75   if system supports pty's.  'a' means it is /dev/ptya0  */
  76
  77 #define FIRST_PTY_LETTER 'a'
  78
  79 /*
  80  *      Define HAVE_TERMIOS if the system provides POSIX-style
  81  *      functions and macros for terminal control.
  82  *
  83  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  84  *      for terminal control.
  85  *
  86  *      Do not define both.  HAVE_TERMIOS is preferred, if it is
  87  *      supported on your system.
  88  */
  89
  90 #define HAVE_TERMIOS
  91 /* #define HAVE_TERMIO */
  92
  93 /*
  94  *      Define HAVE_PTYS if the system supports pty devices.
  95  */
  96
  97 #define HAVE_PTYS
  98
  99 /*
 100  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
 101  *      The 4.2 opendir, etc., library functions.
 102  */
 103
 104 #define NONSYSTEM_DIR_LIBRARY
 105
 106 /* Define this symbol if your system has the functions bcopy, etc. */
 107
 108 #define BSTRING
 109
 110 /* subprocesses should be defined if you want to
 111    have code for asynchronous subprocesses
 112    (as used in M-x compile and M-x shell).
 113    This is generally OS dependent, and not supported
 114    under most USG systems. */
 115
 116 #define subprocesses
 117
 118 /* If your system uses COFF (Common Object File Format) then define the
 119    preprocessor symbol "COFF". */
 120
 121 /* #define COFF */
 122
 123 /* define MAIL_USE_FLOCK if the mailer uses flock
 124    to interlock access to /usr/spool/mail/$USER.
 125    The alternative is that a lock file named
 126    /usr/spool/mail/$USER.lock.  */
 127
 128 #define MAIL_USE_FLOCK
 129
 130 /* Define CLASH_DETECTION if you want lock files to be written
 131    so that Emacs can tell instantly when you try to modify
 132    a file that someone else has modified in his Emacs.  */
 133
 134 #define CLASH_DETECTION
 135
 136 /* Define this if your operating system declares signal handlers to
 137    have a type other than the usual.  `The usual' is `void' for ANSI C
 138    systems (i.e. when the __STDC__ macro is defined), and `int' for
 139    pre-ANSI systems.  If you're using GCC on an older system, __STDC__
 140    will be defined, but the system's include files will still say that
 141    signal returns int or whatever; in situations like that, define
 142    this to be what the system's include files want.  */
 143 /* #define SIGTYPE int */
 144
 145 /* If the character used to separate elements of the executable path
 146    is not ':', #define this to be the appropriate character constant.  */
 147 /* #define SEPCHAR ':' */
 148
 149 /* Define this if the system can use mmap for buffer text allocation.  */
 150 /* #define USE_MMAP_FOR_BUFFERS 1 */
 151
 152 /* ============================================================ */
 153
 154 /* Here, add any special hacks needed
 155    to make Emacs work on this system.  For example,
 156    you might define certain system call names that don't
 157    exist on your system, or that do different things on
 158    your system and must be used only through an encapsulation
 159    (Which you should place, by convention, in sysdep.c).  */
 160
 161 /* Some compilers tend to put everything declared static
 162    into the initialized data area, which becomes pure after dumping Emacs.
 163    On these systems, you must #define static as nothing to foil this.
 164    Note that emacs carefully avoids static vars inside functions.  */
 165
 166 /* #define static */
 167
 168 /* If the system's imake configuration file defines `NeedWidePrototypes'
 169    as `NO', we must define NARROWPROTO manually.  Such a define is
 170    generated in the Makefile generated by `xmkmf'.  If we don't
 171    define NARROWPROTO, we will see the wrong function prototypes
 172    for X functions taking float or double parameters.  */
 173
 174 /*  #define NARROWPROTO 1 */
 175
 176 /* ============================================================ */
 177
 178 /* After adding support for a new system, modify the large case
 179    statement in the `configure' script to recognize reasonable
 180    configuration names, and add a description of the system to
 181    `etc/MACHINES'.
 182
 183    If you've just fixed a problem in an existing configuration file,
 184    you should also check `etc/MACHINES' to make sure its descriptions
 185    of known problems in that configuration should be updated.  */
 186
 187 /* arch-tag: 4b426b11-cb2e-4c0e-a488-e663f76a0515
 188    (do not change this comment) */