src/s/aix3-1.h

   1 /* Definitions file for GNU Emacs running on IBM AIX version 3.1
   2    Copyright (C) 1985, 1986, 1990, 1999 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, 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 USG                             /* System III, System V, etc */
  28 #define USG5
  29
  30 /*      Specify IBM AIX version of system */
  31
  32 #ifndef AIX
  33 #define AIX
  34 #endif
  35
  36 /*      turn off c prototypes */
  37 #ifndef _NO_PROTO
  38 #define _NO_PROTO
  39 #endif
  40
  41 /*      This symbol should be defined on AIX Version 3  ??????? */
  42 #ifndef _AIX
  43 #define _AIX
  44 #endif
  45
  46 /*      Specify "_BSD" to invoke Berkeley compatibility in header files */
  47 /*#ifndef _BSD
  48 #define _BSD
  49 #endif
  50 */
  51
  52 /* SYSTEM_TYPE should indicate the kind of system you are using.
  53  It sets the Lisp variable system-type.  */
  54
  55 #define SYSTEM_TYPE "aix"
  56
  57
  58 /* nomultiplejobs should be defined if your system's shell
  59  does not have "job control" (the ability to stop a program,
  60  run some other program, then continue the first one).  */
  61
  62 /* #define NOMULTIPLEJOBS */
  63
  64 /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
  65
  66 /* #define INTERRUPT_INPUT */
  67
  68 /* In AIX, you allocate a pty by opening /dev/ptc to get the master side.
  69    To get the name of the slave side, you just ttyname() the master side.  */
  70
  71 #define PTY_ITERATION for (c = 0; !c ; c++)
  72 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptc");
  73 #define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));
  74
  75 /*
  76  *      Define HAVE_TERMIO if the system provides sysV-style ioctls
  77  *      for terminal control.
  78  */
  79
  80 #define HAVE_TERMIOS
  81
  82 /*
  83  *      Define HAVE_PTYS if the system supports pty devices.
  84  */
  85
  86 #define HAVE_PTYS
  87
  88 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  89
  90 #define HAVE_SOCKETS
  91
  92 /*
  93  *      Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
  94  *      The 4.2 opendir, etc., library functions.
  95  */
  96
  97 /* #define NONSYSTEM_DIR_LIBRARY */
  98
  99 /*
 100  *      Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
 101  *      library functions.  Almost, but not quite the same as
 102  *      the 4.2 functions
 103  */
 104
 105 #define SYSV_SYSTEM_DIR
 106
 107 /* Define this symbol if your system has the functions bcopy, etc. */
 108
 109 #define BSTRING
 110
 111 /* subprocesses should be defined if you want to
 112  have code for asynchronous subprocesses
 113  (as used in M-x compile and M-x shell).
 114  This is supposed to work now on system V release 2.  */
 115
 116 #define subprocesses
 117
 118 /* If your system uses COFF (Common Object File Format) then define the
 119    preprocessor symbol "COFF". */
 120
 121 /* #define COFF */
 122
 123 /* define MAIL_USE_FLOCK if the mailer uses flock
 124    to interlock access to /usr/spool/mail/$USER.
 125    The alternative is that a lock file named
 126    /usr/spool/mail/$USER.lock.  */
 127
 128 /* #define MAIL_USE_FLOCK */
 129
 130 /* Define CLASH_DETECTION if you want lock files to be written
 131    so that Emacs can tell instantly when you try to modify
 132    a file that someone else has modified in his Emacs.  */
 133
 134 /* #define CLASH_DETECTION */
 135
 136 /* Define SHORTNAMES if the C compiler can distinguish only
 137    short names.  It means that the stuff in ../shortnames
 138    must be run to convert the long names to short ones.  */
 139
 140 /* #define SHORTNAMES */
 141
 142 /* The file containing the kernel's symbol table is called /unix.  */
 143
 144 #define KERNEL_FILE "/unix"
 145
 146 /* The symbol in the kernel where the load average is found
 147    is named avenrun.  */
 148
 149 #define LDAV_SYMBOL "avenrun"
 150 \f
 151 /* Special itemss needed to make Emacs run on this system.  */
 152
 153 /*
 154  *      Make the sigsetmask function go away.  Don't know what the
 155  *      ramifications of this are, but doesn't seem possible to
 156  *      emulate it properly anyway at this point.
 157  */
 158
 159 #define sigsetmask(mask)        /* Null expansion */
 160
 161 /* setjmp and longjmp can safely replace _setjmp and _longjmp,
 162    but they will run slower.  */
 163
 164 #define _setjmp setjmp
 165 #define _longjmp longjmp
 166
 167 /* On USG systems these have different names */
 168
 169 #define index strchr
 170 #define rindex strrchr
 171
 172 /* USG systems tend to put everything declared static
 173    into the initialized data area, which becomes pure after dumping Emacs.
 174    Foil this.  Emacs carefully avoids static vars inside functions.  */
 175
 176 #undef static
 177
 178 /* Compiler bug bites on many systems when default ADDR_CORRECT is used.  */
 179
 180 /* #define ADDR_CORRECT(x) (x) */
 181
 182 #ifndef __GNUC__
 183 #define LINKER cc
 184 #endif
 185
 186 /* Prevent -lg from being used for debugging.  Not needed.  */
 187
 188 #define LIBS_DEBUG
 189
 190 /* No need to specify -lc when linking.  */
 191
 192 #define LIB_STANDARD
 193
 194 /* Use terminfo instead of termcap.  */
 195
 196 #define TERMINFO
 197
 198 /* The following definition seems to be needed in AIX version 3.1.6.8.
 199    It may not have been needed in certain earlier versions.  */
 200 #define HAVE_TCATTR
 201
 202 #define SYSTEM_MALLOC
 203
 204 /* Include unistd.h, even though we don't define POSIX.  */
 205 #define NEED_UNISTD_H
 206
 207 /* AIX doesn't define this.  */
 208 #define unix 1
 209
 210 /* AIX 3.1 has the HFT features.  */
 211 #define AIXHFT
 212
 213 /* For unexaix.c. */
 214 #define ALIGN_DATA_RELOC
 215