/* System description header file for Darwin (Mac OS X).
- Copyright (C) 2001, 2002, 2003, 2004, 2005,
- 2006, 2007 Free Software Foundation, Inc.
+
+Copyright (C) 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 3, 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, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
-
-
-/*
- * 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 */
+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 BSD4_2
/* BSD4_3 and BSD4_4 are already defined in sys/param.h */
-/* #define BSD4_3 */
-/* #define BSD4_4 */
#define BSD_SYSTEM
-/* #define VMS */
-
-#if 0 /* Don't define DARWIN on Mac OS X because CoreFoundation.h uses
- it to distinguish Mac OS X from bare Darwin. */
-#ifndef DARWIN
-#define DARWIN 1
-#endif
-#endif
-/* MAC_OS is used to conditionally compile code common to both MAC_OS8
- and MAC_OSX. */
-#ifdef MAC_OSX
-#ifdef HAVE_CARBON
-#define MAC_OS
-/* We need a little extra space, see ../../lisp/loadup.el. */
-#define SYSTEM_PURESIZE_EXTRA 30000
+/* More specific than the above two. We cannot use __APPLE__ as this
+ may not be defined on non-OSX Darwin, and we cannot define DARWIN
+ here because Panther and lower CoreFoundation.h uses DARWIN to
+ distinguish OS X from pure Darwin. */
+#define DARWIN_OS
-#endif
-#endif
/* 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 "darwin"
-/* 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.
It would have Emacs fork off a separate process
to read the input and send it to the true Emacs process
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 */
-
#define FIRST_PTY_LETTER 'p'
-/*
- * Define HAVE_TERMIOS if the system provides POSIX-style
- * functions and macros for terminal control.
- *
- * Define HAVE_TERMIO if the system provides sysV-style ioctls
- * for terminal control.
- *
- * Do not define both. HAVE_TERMIOS is preferred, if it is
- * supported on your system.
- */
-
-#define HAVE_TERMIOS
-/* #define HAVE_TERMIO */
-
#define NO_TERMIO
-/*
- * Define HAVE_PTYS if the system supports pty devices.
- * Note: PTYs are broken on darwin <6. Use at your own risk.
- */
-
+/* Define HAVE_PTYS if the system supports pty devices.
+ Note: PTYs are broken on darwin <6. Use at your own risk. */
#define HAVE_PTYS
-
-/**
- * PTYs only work correctly on Darwin 7 or higher. So make the
- * default for process-connection-type dependent on the kernel
- * version.
- */
+/* Run only once. We need a `for'-loop because the code uses `continue'. */
+#define PTY_ITERATION int i; for (i = 0; i < 1; i++)
+#define PTY_NAME_SPRINTF /* none */
+#define PTY_TTY_NAME_SPRINTF /* none */
+/* Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
+ But we don't have to block SIGCHLD because it is blocked in the
+ implementation of grantpt. */
+#define PTY_OPEN \
+ do \
+ { \
+ int slave; \
+ if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) \
+ fd = -1; \
+ else \
+ emacs_close (slave); \
+ } \
+ while (0)
+
+/* PTYs only work correctly on Darwin 7 or higher. So make the default
+ for process-connection-type dependent on the kernel version. */
#define MIN_PTY_KERNEL_VERSION '7'
-/*
- * 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
- 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 */
-
-/* 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
-
/* 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 ':' */
-
-/* Define this if the system can use mmap for buffer text allocation. */
-/* #define USE_MMAP_FOR_BUFFERS 1 */
-
-/* ============================================================ */
-
-/* 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). */
-
-/* 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. */
-
-/* #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. */
-
-/* #define NARROWPROTO 1 */
-
-/* ============================================================ */
-
-/* After adding support for a new system, modify the large case
- statement in the `configure' script to recognize reasonable
- configuration names, and add a description of the system to
- `etc/MACHINES'.
-
- 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. */
-
-
/* Avoid the use of the name init_process (process.c) because it is
also the name of a Mach system call. */
#define init_process emacs_init_process
/* Used in dispnew.c. Copied from freebsd.h. */
#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)
-/* System uses OXTABS instead of the expected TAB3. (Copied from
- bsd386.h.) */
+/* System uses OXTABS instead of the expected TAB3. (Copied from bsd386.h.) */
#define TAB3 OXTABS
-/* Darwin ld insists on the use of malloc routines in the System
- framework. */
-#define SYSTEM_MALLOC
-
/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
#define HAVE_SOCKETS
-/* In Carbon, asynchronous I/O (using SIGIO) can't be used for window
- events because they don't come from sockets, even though it works
- fine on tty's. */
-#ifdef HAVE_CARBON
-#define NO_SOCK_SIGIO
-#endif
-
-/* Extra initialization calls in main for Mac OS X system type. */
-#ifdef HAVE_CARBON
-#define SYMS_SYSTEM syms_of_mac()
-#endif
-
-/* Definitions for how to dump. Copied from nextstep.h. */
-
-#define UNEXEC unexmacosx.o
-
-#define START_FILES pre-crt0.o
-
-/* start_of_text isn't actually used, so make it compile without error. */
-#define TEXT_START (0)
-
-/* This seems to be right for end_of_text, but it may not be used anyway. */
-#define TEXT_END get_etext()
-
-/* This seems to be right for end_of_data, but it may not be used anyway. */
-#define DATA_END get_edata()
-
/* Definitions for how to compile & link. */
-
-/* Indicate that we are compiling for Mac OS X. */
-#define C_SWITCH_SYSTEM -fpascal-strings -DMAC_OSX
-
-/* Link in the Carbon lib. */
-#ifdef HAVE_CARBON
-#define LIBS_CARBON -framework Carbon -framework QuickTime
-#else
-#define LIBS_CARBON
-#endif
-
-/* The -headerpad option tells ld (see man page) to leave room at the
- end of the header for adding load commands. Needed for dumping.
- 0x690 is the total size of 30 segment load commands (at 56
- each). */
-#define LD_SWITCH_SYSTEM_TEMACS -prebind LIBS_CARBON -Xlinker -headerpad -Xlinker 690
-
-#define C_SWITCH_SYSTEM_TEMACS -Dtemacs
-
-/* The ncurses library has been moved out of the System framework in
- Mac OS X 10.2. So if ./configure detects it, set the command-line
- option to use it. */
-#ifdef HAVE_LIBNCURSES
-#define LIBS_TERMCAP -lncurses
-/* This prevents crashes when running Emacs in Terminal.app under
- 10.2. */
-#define TERMINFO
+#ifdef HAVE_NS
+#define SYSTEM_PURESIZE_EXTRA 200000
#endif
-/* Link this program just by running cc. */
-#define ORDINARY_LINK
-
-/* We don't have a g library, so override the -lg LIBS_DEBUG switch. */
-#define LIBS_DEBUG
-
-/* Adding -lm confuses the dynamic linker, so omit it. */
-#define LIB_MATH
+/* On Darwin, res_init appears not to be useful: see bug#562 and
+ http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html */
+#undef HAVE_RES_INIT
+#undef HAVE_LIBRESOLV
-/* Tell src/Makefile.in to create files in the Mac OS X application
- bundle mac/Emacs.app. */
-#ifdef HAVE_CARBON
-#define OTHER_FILES macosx-app
+#ifdef emacs
+#define malloc unexec_malloc
+#define realloc unexec_realloc
+#define free unexec_free
+/* Don't use posix_memalign because it is not compatible with unexmacosx.c. */
+#undef HAVE_POSIX_MEMALIGN
#endif
-
/* Define the following so emacs symbols will not conflict with those
in the System framework. Otherwise -prebind will not work. */
/* Do not define matherr in floatfns.c. */
#define NO_MATHERR
-
/* The following solves the problem that Emacs hangs when evaluating
(make-comint "test0" "/nodir/nofile" nil "") when /nodir/nofile
- does not exist. */
+ does not exist. Also, setsid is not allowed in the vfork child's
+ context as of Darwin 9/Mac OS X 10.5. */
#undef HAVE_WORKING_VFORK
#define vfork fork
It is already a controlling terminal of subprocess, because we did
ioctl TIOCSCTTY. */
#define DONT_REOPEN_PTY
-
-#ifdef temacs
-#define malloc unexec_malloc
-#define realloc unexec_realloc
-#define free unexec_free
-#endif
-
-/* This makes create_process in process.c save and restore signal
- handlers correctly. Suggested by Nozomu Ando.*/
-#define POSIX_SIGNALS
-
-/* Reroute calls to SELECT to the version defined in mac.c to fix the
- problem of Emacs requiring an extra return to be typed to start
- working when started from the command line. */
-#if defined (HAVE_CARBON) && (defined (emacs) || defined (temacs))
-#define select sys_select
-#endif
-
-/* Use the GC_MAKE_GCPROS_NOOPS (see lisp.h) method for marking the
- stack. */
-#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
-
-/* arch-tag: 481d443d-4f89-43ea-b5fb-49706d95fa41
- (do not change this comment) */