[bpt/emacs.git] / src / s / aix4-2.h

/*
Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
  2010  Free Software Foundation, Inc.

This file is part of GNU Emacs.

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 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
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 USG				/* System III, System V, etc */
#define USG5

/*      This symbol should be defined on AIX Version 3  ??????? */
#ifndef _AIX
#define _AIX
#endif

/* SYSTEM_TYPE should indicate the kind of system you are using.
 It sets the Lisp variable system-type.  */

#define SYSTEM_TYPE "aix"

/* In AIX, you allocate a pty by opening /dev/ptc to get the master side.
   To get the name of the slave side, you just ttyname() the master side.  */

#define PTY_ITERATION for (c = 0; !c ; c++)
#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptc");
#define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));

/*
 *	Define HAVE_TERMIO if the system provides sysV-style ioctls
 *	for terminal control.
 */

#define HAVE_TERMIOS

/*
 *	Define HAVE_PTYS if the system supports pty devices.
 */

#define HAVE_PTYS

/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */

#define HAVE_SOCKETS


/*
 * 	Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
 *	library functions.  Almost, but not quite the same as
 *	the 4.2 functions
 */

#define SYSV_SYSTEM_DIR

/* Define this symbol if your system has the functions bcopy, etc. */

#define BSTRING

/* The file containing the kernel's symbol table is called /unix.  */

#define KERNEL_FILE "/unix"

/* The symbol in the kernel where the load average is found
   is named avenrun.  */

#define LDAV_SYMBOL "avenrun"
\f
/* Special itemss needed to make Emacs run on this system.  */

#ifndef __GNUC__
#define LINKER cc
#endif

/* -lpthreads seems to be necessary for Xlib in X11R6, and should be harmless
   on older versions of X where it happens to exist.  */
#ifdef HAVE_LIBPTHREADS
#define LIBS_SYSTEM -lrts -lIM -liconv -lpthreads
#else
/* IBM's X11R5 use -lIM and -liconv in AIX 3.2.2.  */
#define LIBS_SYSTEM -lrts -lIM -liconv
#endif

/* The following definition seems to be needed in AIX version 3.1.6.8.
   It may not have been needed in certain earlier versions.  */
#define HAVE_TCATTR

/* AIX doesn't define this.  */
#define unix 1

/* string.h defines rindex as a macro, at least with native cc, so we
   lose declaring char * rindex without this.
   It is just a guess which versions of AIX need this definition.  */
#undef HAVE_STRING_H

/* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct.  */
#define SIGNALS_VIA_CHARACTERS
#define CLASH_DETECTION

/* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct.  */
#undef sigmask

#ifndef HAVE_LIBXMU
/* Unfortunately without libXmu we cannot support EditRes.  */
#define NO_EDITRES
#endif

/* On AIX Emacs uses the gmalloc.c malloc implementation.  But given
   the way this system works, libc functions that return malloced
   memory use the libc malloc implementation. Calling xfree or
   xrealloc on the results of such functions results in a crash.

   One solution for this could be to define SYSTEM_MALLOC here, but
   that does not currently work on this system.

   It is possible to completely override the malloc implementation on
   AIX, but that involves putting the malloc functions in a shared
   library and setting the MALLOCTYPE environment variable to point to
   that shared library.

   Emacs currently calls xrealloc on the results of get_current_dir name,
   to avoid a crash just use the Emacs implementation for that function.
*/
#define BROKEN_GET_CURRENT_DIR_NAME 1

#define UNEXEC unexaix.o

#define ORDINARY_LINK

/* arch-tag: 38fe75ea-6aef-42bd-8449-bc34d921a562
   (do not change this comment) */
Commit	Line	Data
f2a77c3a	1	/*
49628785 GM	2	Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
49628785 GM	3	2010 Free Software Foundation, Inc.
c64b0eb7	4
f2a77c3a DN	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 3 of the License, or
	10	(at your option) 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. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	/*
	21	* Define symbols to identify the version of Unix this is.
	22	* Define all the symbols that apply correctly.
	23	*/
	24
	25	#define USG /* System III, System V, etc */
	26	#define USG5
	27
	28	/* This symbol should be defined on AIX Version 3 ??????? */
	29	#ifndef _AIX
	30	#define _AIX
	31	#endif
	32
	33	/* SYSTEM_TYPE should indicate the kind of system you are using.
	34	It sets the Lisp variable system-type. */
	35
	36	#define SYSTEM_TYPE "aix"
	37
	38	/* In AIX, you allocate a pty by opening /dev/ptc to get the master side.
	39	To get the name of the slave side, you just ttyname() the master side. */
	40
	41	#define PTY_ITERATION for (c = 0; !c ; c++)
	42	#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptc");
	43	#define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));
	44
	45	/*
	46	* Define HAVE_TERMIO if the system provides sysV-style ioctls
	47	* for terminal control.
	48	*/
	49
	50	#define HAVE_TERMIOS
	51
	52	/*
	53	* Define HAVE_PTYS if the system supports pty devices.
	54	*/
	55
	56	#define HAVE_PTYS
	57
	58	/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
	59
	60	#define HAVE_SOCKETS
	61
f2a77c3a DN	62
	63	/*
	64	* Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
	65	* library functions. Almost, but not quite the same as
	66	* the 4.2 functions
	67	*/
	68
	69	#define SYSV_SYSTEM_DIR
	70
	71	/* Define this symbol if your system has the functions bcopy, etc. */
	72
	73	#define BSTRING
	74
f2a77c3a DN	75	/* The file containing the kernel's symbol table is called /unix. */
	76
	77	#define KERNEL_FILE "/unix"
	78
	79	/* The symbol in the kernel where the load average is found
	80	is named avenrun. */
	81
	82	#define LDAV_SYMBOL "avenrun"
	83	\f
	84	/* Special itemss needed to make Emacs run on this system. */
	85
f2a77c3a DN	86	#ifndef __GNUC__
	87	#define LINKER cc
	88	#endif
	89
5845f0ed DN	90	/* -lpthreads seems to be necessary for Xlib in X11R6, and should be harmless
	91	on older versions of X where it happens to exist. */
	92	#ifdef HAVE_LIBPTHREADS
	93	#define LIBS_SYSTEM -lrts -lIM -liconv -lpthreads
	94	#else
	95	/* IBM's X11R5 use -lIM and -liconv in AIX 3.2.2. */
	96	#define LIBS_SYSTEM -lrts -lIM -liconv
	97	#endif
	98
f2a77c3a DN	99	/* The following definition seems to be needed in AIX version 3.1.6.8.
	100	It may not have been needed in certain earlier versions. */
	101	#define HAVE_TCATTR
	102
f2a77c3a DN	103	/* AIX doesn't define this. */
	104	#define unix 1
	105
f2a77c3a DN	106	/* string.h defines rindex as a macro, at least with native cc, so we
	107	lose declaring char * rindex without this.
	108	It is just a guess which versions of AIX need this definition. */
	109	#undef HAVE_STRING_H
	110
f2a77c3a DN	111	/* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct. */
f2a77c3a DN	112	#define SIGNALS_VIA_CHARACTERS
f2a77c3a DN	113	#define CLASH_DETECTION
	114
	115	/* Perry Smith <pedz@ddivt1.austin.ibm.com> says these are correct. */
f2a77c3a DN	116	#undef sigmask
f2a77c3a DN	117
f2a77c3a	118	#ifndef HAVE_LIBXMU
f2a77c3a DN	119	/* Unfortunately without libXmu we cannot support EditRes. */
	120	#define NO_EDITRES
	121	#endif
ab5796a9	122
3480d92b DN	123	/* On AIX Emacs uses the gmalloc.c malloc implementation. But given
	124	the way this system works, libc functions that return malloced
	125	memory use the libc malloc implementation. Calling xfree or
c6ea2936	126	xrealloc on the results of such functions results in a crash.
3480d92b DN	127
	128	One solution for this could be to define SYSTEM_MALLOC here, but
	129	that does not currently work on this system.
	130
	131	It is possible to completely override the malloc implementation on
	132	AIX, but that involves putting the malloc functions in a shared
	133	library and setting the MALLOCTYPE environment variable to point to
294c50a0 GM	134	that shared library.
294c50a0 GM	135
3480d92b DN	136	Emacs currently calls xrealloc on the results of get_current_dir name,
	137	to avoid a crash just use the Emacs implementation for that function.
	138	*/
	139	#define BROKEN_GET_CURRENT_DIR_NAME 1
	140
07e339e4 DN	141	#define UNEXEC unexaix.o
07e339e4 DN	142
55da5ee3 DN	143	#define ORDINARY_LINK
55da5ee3 DN	144
ab5796a9 MB	145	/* arch-tag: 38fe75ea-6aef-42bd-8449-bc34d921a562
ab5796a9 MB	146	(do not change this comment) */