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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 Richard M. Stallman.
4:
5: This file is part of GNU Emacs.
6:
7: GNU Emacs is distributed in the hope that it will be useful,
8: but WITHOUT ANY WARRANTY. No author or distributor
9: accepts responsibility to anyone for the consequences of using it
10: or for whether it serves any particular purpose or works at all,
11: unless he says so in writing. Refer to the GNU Emacs General Public
12: License for full details.
13:
14: Everyone is granted permission to copy, modify and redistribute
15: GNU Emacs, but only under the conditions described in the
16: GNU Emacs General Public License. A copy of this license is
17: supposed to have been given to you along with GNU Emacs so you
18: can know your rights and responsibilities. It should be in a
19: file named COPYING. Among other things, the copyright notice
20: and this notice must be preserved on all copies. */
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 */
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: Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
54:
55: SIGIO can be used only on systems that implement it (4.2 and 4.3).
56: CBREAK mode has two disadvatages
57: 1) At least in 4.2, it is impossible to handle the Meta key properly.
58: I hear that in system V this problem does not exist.
59: 2) Control-G causes output to be discarded.
60: I do not know whether this can be fixed in system V.
61:
62: Another method of doing input is planned but not implemented.
63: It would have Emacs fork off a separate process
64: to read the input and send it to the true Emacs process
65: through a pipe.
66: */
67:
68: #define INTERRUPT_INPUT
69:
70: /* Letter to use in finding device name of first pty,
71: if system supports pty's. 'a' means it is /dev/ptya0 */
72:
73: #define FIRST_PTY_LETTER 'a'
74:
75: /*
76: * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
77: * Look in <sys/time.h> for a timeval structure.
78: */
79:
80: #define HAVE_TIMEVAL
81:
82: /*
83: * Define HAVE_SELECT if the system supports the `select' system call.
84: */
85:
86: /* #define HAVE_SELECT */
87:
88: /*
89: * Define HAVE_PTYS if the system supports pty devices.
90: */
91:
92: #define HAVE_PTYS
93:
94: /*
95: * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
96: * The 4.2 opendir, etc., library functions.
97: */
98:
99: #define NONSYSTEM_DIR_LIBRARY
100:
101: /* Define this symbol if your system has the functions bcopy, etc. */
102:
103: #define BSTRING
104:
105: /* subprocesses should be defined if you want to
106: have code for asynchronous subprocesses
107: (as used in M-x compile and M-x shell).
108: This is generally OS dependent, and not supported
109: under most USG systems. */
110:
111: #define subprocesses
112:
113: /* If your system uses COFF (Common Object File Format) then define the
114: preprocessor symbol "COFF". */
115:
116: /* #define COFF */
117:
118: /* define MAIL_USE_FLOCK if the mailer uses flock
119: to interlock access to /usr/spool/mail/$USER.
120: The alternative is that a lock file named
121: /usr/spool/mail/$USER.lock. */
122:
123: #define MAIL_USE_FLOCK
124:
125: /* Define CLASH_DETECTION if you want lock files to be written
126: so that Emacs can tell instantly when you try to modify
127: a file that someone else has modified in his Emacs. */
128:
129: #define CLASH_DETECTION
130:
131: /* Here, on a separate page, add any special hacks needed
132: to make Emacs work on this system. For example,
133: you might define certain system call names that don't
134: exist on your system, or that do different things on
135: your system and must be used only through an encapsulation
136: (Which you should place, by convention, in sysdep.c). */
137:
138: /* Some compilers tend to put everything declared static
139: into the initialized data area, which becomes pure after dumping Emacs.
140: On these systems, you must #define static as nothing to foil this.
141: Note that emacs carefully avoids static vars inside functions. */
142:
143: #define static
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