/* Template for system description header files.
This file describes the parameters that system description files
should define or not.
- Copyright (C) 1985, 1986, 1992 Free Software Foundation, Inc.
+
+Copyright (C) 1985-1986, 1992, 1999, 2001-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-/*
- * Define symbols to identify the version of Unix this is.
- * Define all the symbols that apply correctly.
- */
+/* Define symbols to identify the version of Unix this is.
+ Define all the symbols that apply correctly. */
-/* #define UNIPLUS */
/* #define USG5 */
/* #define USG */
/* #define HPUX */
-/* #define UMAX */
-/* #define BSD4_1 */
/* #define BSD4_2 */
/* #define BSD4_3 */
-/* #define BSD */
-/* #define VMS */
+/* #define BSD_SYSTEM */
/* SYSTEM_TYPE should indicate the kind of system you are using.
- It sets the Lisp variable system-type. */
+ It sets the Lisp variable system-type. */
#define SYSTEM_TYPE "berkeley-unix"
-/* NOMULTIPLEJOBS should be defined if your system's shell
- does not have "job control" (the ability to stop a program,
- run some other program, then continue the first one). */
-
-/* #define NOMULTIPLEJOBS */
-
/* Emacs can read input using SIGIO and buffering characters itself,
or using CBREAK mode and making C-g cause SIGINT.
The choice is controlled by the variable interrupt_input.
Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
- Emacs uses the presence or absence of the SIGIO macro to indicate
- whether or not signal-driven I/O is possible. It uses
+ Emacs uses the presence or absence of the SIGIO and BROKEN_SIGIO macros
+ to indicate whether or not signal-driven I/O is possible. It uses
INTERRUPT_INPUT to decide whether to use it by default.
SIGIO can be used only on systems that implement it (4.2 and 4.3).
- CBREAK mode has two disadvatages
+ CBREAK mode has two disadvantages
1) At least in 4.2, it is impossible to handle the Meta key properly.
I hear that in system V this problem does not exist.
2) Control-G causes output to be discarded.
Another method of doing input is planned but not implemented.
It would have Emacs fork off a separate process
to read the input and send it to the true Emacs process
- through a pipe. */
-
+ through a pipe. */
#define INTERRUPT_INPUT
/* Letter to use in finding device name of first pty,
- if system supports pty's. 'a' means it is /dev/ptya0 */
-
+ if system supports pty's. 'a' means it is /dev/ptya0. */
#define FIRST_PTY_LETTER 'a'
-/*
- * Define HAVE_TERMIOS if the system provides POSIX-style
- * functions and macros for terminal control.
- */
-
-#define HAVE_TERMIOS
-
-/*
- * Define HAVE_TERMIO if the system provides sysV-style ioctls
- * for terminal control.
- */
-
-#define HAVE_TERMIO
-
-/*
- * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
- * Look in <sys/time.h> for a timeval structure.
- */
-
-#define HAVE_TIMEVAL
-
-/*
- * Define HAVE_SELECT if the system supports the `select' system call.
- */
-
-/* #define HAVE_SELECT */
-
-/*
- * Define HAVE_PTYS if the system supports pty devices.
- */
-
+/* Define HAVE_PTYS if the system supports pty devices. */
#define HAVE_PTYS
-/*
- * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
- * The 4.2 opendir, etc., library functions.
- */
-
-#define NONSYSTEM_DIR_LIBRARY
-
-/* Define this symbol if your system has the functions bcopy, etc. */
-
-#define BSTRING
-
-/* subprocesses should be defined if you want to
+/* subprocesses should be undefined if you do NOT want to
have code for asynchronous subprocesses
(as used in M-x compile and M-x shell).
- This is generally OS dependent, and not supported
- under most USG systems. */
-
-#define subprocesses
-
-/* If your system uses COFF (Common Object File Format) then define the
- preprocessor symbol "COFF". */
-
-/* #define COFF */
+ Currently only MSDOS does not support this. */
-/* define MAIL_USE_FLOCK if the mailer uses flock
- to interlock access to /usr/spool/mail/$USER.
- The alternative is that a lock file named
- /usr/spool/mail/$USER.lock. */
-
-#define MAIL_USE_FLOCK
+/* #undef subprocesses */
/* Define CLASH_DETECTION if you want lock files to be written
so that Emacs can tell instantly when you try to modify
a file that someone else has modified in his Emacs. */
-
#define CLASH_DETECTION
-/* Define this if your operating system declares signal handlers to
- have a type other than the usual. `The usual' is `void' for ANSI C
- systems (i.e. when the __STDC__ macro is defined), and `int' for
- pre-ANSI systems. If you're using GCC on an older system, __STDC__
- will be defined, but the system's include files will still say that
- signal returns int or whatever; in situations like that, define
- this to be what the system's include files want. */
-/* #define SIGTYPE int */
-
/* If the character used to separate elements of the executable path
is not ':', #define this to be the appropriate character constant. */
/* #define SEPCHAR ':' */
-/* Here, on a separate page, add any special hacks needed
- to make Emacs work on this system. For example,
- you might define certain system call names that don't
- exist on your system, or that do different things on
- your system and must be used only through an encapsulation
- (Which you should place, by convention, in sysdep.c). */
-\f
-/* Some compilers tend to put everything declared static
- into the initialized data area, which becomes pure after dumping Emacs.
- On these systems, you must #define static as nothing to foil this.
- Note that emacs carefully avoids static vars inside functions. */
+/* ============================================================ */
+
+/* Here, add any special hacks needed to make Emacs work on this
+ system. For example, you might define certain system call names
+ that don't exist on your system, or that do different things on
+ your system and must be used only through an encapsulation (which
+ you should place, by convention, in sysdep.c). */
-/* #define static */
+/* If the system's imake configuration file defines `NeedWidePrototypes'
+ as `NO', we must define NARROWPROTO manually. Such a define is
+ generated in the Makefile generated by `xmkmf'. If we don't
+ define NARROWPROTO, we will see the wrong function prototypes
+ for X functions taking float or double parameters. */
-\f
+/* #define NARROWPROTO 1 */
+
+/* ============================================================ */
/* After adding support for a new system, modify the large case
- statement in the `configure' script to recognize reasonable
+ statement in configure.in to recognize reasonable
configuration names, and add a description of the system to
`etc/MACHINES'.
+ Check for any tests of $opsys in configure.in, and add an entry
+ for the new system if needed.
+
If you've just fixed a problem in an existing configuration file,
you should also check `etc/MACHINES' to make sure its descriptions
of known problems in that configuration should be updated. */
+