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Annotation of GNUtools/emacs/src/s-template.h, revision 1.1

1.1     ! root        1: /* Template for s- header files.
        !             2:    This file describes the parameters that s- files should define or not.
        !             3:    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
        !             4: 
        !             5: This file is part of GNU Emacs.
        !             6: 
        !             7: GNU Emacs is free software; you can redistribute it and/or modify
        !             8: it under the terms of the GNU General Public License as published by
        !             9: the Free Software Foundation; either version 1, or (at your option)
        !            10: any later version.
        !            11: 
        !            12: GNU Emacs is distributed in the hope that it will be useful,
        !            13: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15: GNU General Public License for more details.
        !            16: 
        !            17: You should have received a copy of the GNU General Public License
        !            18: along with GNU Emacs; see the file COPYING.  If not, write to
        !            19: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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 UNIPLUS */
        !            28: /* #define USG5 */
        !            29: /* #define USG */
        !            30: /* #define HPUX */
        !            31: /* #define UMAX */
        !            32: /* #define BSD4_1 */
        !            33: /* #define BSD4_2 */
        !            34: /* #define BSD4_3 */
        !            35: /* #define BSD */
        !            36: /* #define VMS */
        !            37: 
        !            38: /* SYSTEM_TYPE should indicate the kind of system you are using.
        !            39:  It sets the Lisp variable system-type.  */
        !            40: 
        !            41: #define SYSTEM_TYPE "berkeley-unix"
        !            42: 
        !            43: /* NOMULTIPLEJOBS should be defined if your system's shell
        !            44:  does not have "job control" (the ability to stop a program,
        !            45:  run some other program, then continue the first one).  */
        !            46: 
        !            47: /* #define NOMULTIPLEJOBS */
        !            48: 
        !            49: /* Emacs can read input using SIGIO and buffering characters itself,
        !            50:    or using CBREAK mode and making C-g cause SIGINT.
        !            51:    The choice is controlled by the variable interrupt_input.
        !            52:    Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
        !            53: 
        !            54:    SIGIO can be used only on systems that implement it (4.2 and 4.3).
        !            55:    CBREAK mode has two disadvatages
        !            56:      1) At least in 4.2, it is impossible to handle the Meta key properly.
        !            57:         I hear that in system V this problem does not exist.
        !            58:      2) Control-G causes output to be discarded.
        !            59:         I do not know whether this can be fixed in system V.
        !            60: 
        !            61:    Another method of doing input is planned but not implemented.
        !            62:    It would have Emacs fork off a separate process
        !            63:    to read the input and send it to the true Emacs process
        !            64:    through a pipe.
        !            65: */
        !            66: 
        !            67: #define INTERRUPT_INPUT
        !            68: 
        !            69: /* Letter to use in finding device name of first pty,
        !            70:   if system supports pty's.  'a' means it is /dev/ptya0  */
        !            71: 
        !            72: #define FIRST_PTY_LETTER 'a'
        !            73: 
        !            74: /*
        !            75:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            76:  *     Look in <sys/time.h> for a timeval structure.
        !            77:  */
        !            78: 
        !            79: #define HAVE_TIMEVAL
        !            80: 
        !            81: /*
        !            82:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            83:  */
        !            84: 
        !            85: /* #define HAVE_SELECT */
        !            86: 
        !            87: /*
        !            88:  *     Define HAVE_PTYS if the system supports pty devices.
        !            89:  */
        !            90: 
        !            91: #define HAVE_PTYS
        !            92: 
        !            93: /*
        !            94:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            95:  *      The 4.2 opendir, etc., library functions.
        !            96:  */
        !            97: 
        !            98: #define NONSYSTEM_DIR_LIBRARY
        !            99: 
        !           100: /* Define this symbol if your system has the functions bcopy, etc. */
        !           101: 
        !           102: #define BSTRING
        !           103: 
        !           104: /* subprocesses should be defined if you want to
        !           105:    have code for asynchronous subprocesses
        !           106:    (as used in M-x compile and M-x shell).
        !           107:    This is generally OS dependent, and not supported
        !           108:    under most USG systems. */
        !           109: 
        !           110: #define subprocesses
        !           111: 
        !           112: /* If your system uses COFF (Common Object File Format) then define the
        !           113:    preprocessor symbol "COFF". */
        !           114: 
        !           115: /* #define COFF */
        !           116: 
        !           117: /* define MAIL_USE_FLOCK if the mailer uses flock
        !           118:    to interlock access to /usr/spool/mail/$USER.
        !           119:    The alternative is that a lock file named
        !           120:    /usr/spool/mail/$USER.lock.  */
        !           121: 
        !           122: #define MAIL_USE_FLOCK
        !           123: 
        !           124: /* Define CLASH_DETECTION if you want lock files to be written
        !           125:    so that Emacs can tell instantly when you try to modify
        !           126:    a file that someone else has modified in his Emacs.  */
        !           127: 
        !           128: #define CLASH_DETECTION
        !           129: 
        !           130: /* Here, on a separate page, add any special hacks needed
        !           131:    to make Emacs work on this system.  For example,
        !           132:    you might define certain system call names that don't
        !           133:    exist on your system, or that do different things on
        !           134:    your system and must be used only through an encapsulation
        !           135:    (Which you should place, by convention, in sysdep.c).  */
        !           136: 
        !           137: /* Some compilers tend to put everything declared static
        !           138:    into the initialized data area, which becomes pure after dumping Emacs.
        !           139:    On these systems, you must #define static as nothing to foil this.
        !           140:    Note that emacs carefully avoids static vars inside functions.  */
        !           141: 
        !           142: /* #define static */

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