1/* Definitions file for GNU Emacs running on AT&T's System V.0 2 Copyright (C) 1985, 1986, 1999, 2001, 2002, 2003, 2004, 3 2005, 2006, 2007 Free Software Foundation, Inc. 4 5This file is part of GNU Emacs. 6 7GNU Emacs is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GNU Emacs is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GNU Emacs; see the file COPYING. If not, write to 19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20Boston, MA 02110-1301, USA. */ 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 USG /* System III, System V, etc */ 29 30#define USG5 31#define USG5_0 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 "usg-unix-v" 37 38/* nomultiplejobs should be defined if your system's shell 39 does not have "job control" (the ability to stop a program, 40 run some other program, then continue the first one). */ 41 42#define NOMULTIPLEJOBS 43 44/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */ 45 46/* #define INTERRUPT_INPUT */ 47 48/* Letter to use in finding device name of first pty, 49 if system supports pty's. 'p' means it is /dev/ptyp0 */ 50 51#define FIRST_PTY_LETTER 'p' 52 53/* 54 * Define HAVE_TERMIO if the system provides sysV-style ioctls 55 * for terminal control. 56 */ 57 58#define HAVE_TERMIO 59 60/* 61 * Define HAVE_PTYS if the system supports pty devices. 62 */ 63 64/* #define HAVE_PTYS */ 65 66/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */ 67 68/* #define HAVE_SOCKETS */ 69 70/* 71 * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate 72 * The 4.2 opendir, etc., library functions. 73 */ 74 75#define NONSYSTEM_DIR_LIBRARY 76 77/* Define this symbol if your system has the functions bcopy, etc. */ 78 79/* #define BSTRING */ 80 81/* subprocesses should be defined if you want to 82 have code for asynchronous subprocesses 83 (as used in M-x compile and M-x shell). 84 This is supposed to work now on system V release 2. */ 85 86#define subprocesses 87 88/* If your system uses COFF (Common Object File Format) then define the 89 preprocessor symbol "COFF". */ 90 91#define COFF 92 93/* define MAIL_USE_FLOCK if the mailer uses flock 94 to interlock access to /usr/spool/mail/$USER. 95 The alternative is that a lock file named 96 /usr/spool/mail/$USER.lock. */ 97 98/* #define MAIL_USE_FLOCK */ 99 100/* Define CLASH_DETECTION if you want lock files to be written 101 so that Emacs can tell instantly when you try to modify 102 a file that someone else has modified in his Emacs. */ 103 104/* #define CLASH_DETECTION */ 105 106/* Define SHORTNAMES if the C compiler can distinguish only 107 short names. It means that the stuff in ../shortnames 108 must be run to convert the long names to short ones. */ 109 110#define SHORTNAMES 111 112/* The file containing the kernel's symbol table is called /unix. */ 113 114#define KERNEL_FILE "/unix" 115 116/* The symbol in the kernel where the load average is found 117 is named avenrun. */ 118 119#define LDAV_SYMBOL "avenrun" 120 121/* Special hacks needed to make Emacs run on this system. */ 122 123/* 124 * Make the sigsetmask function go away. Don't know what the 125 * ramifications of this are, but doesn't seem possible to 126 * emulate it properly anyway at this point. 127 */ 128 129#define sigsetmask(mask) /* Null expansion */ 130 131/* setjmp and longjmp can safely replace _setjmp and _longjmp, 132 but they will run slower. */ 133 134#define _setjmp setjmp 135#define _longjmp longjmp 136 137/* On USG systems these have different names */ 138 139#define index strchr 140#define rindex strrchr 141 142/* USG systems tend to put everything declared static 143 into the initialized data area, which becomes pure after dumping Emacs. 144 Foil this. Emacs carefully avoids static vars inside functions. */ 145 146#define static 147 148/* Compiler bug bites on many systems when default ADDR_CORRECT is used. */ 149 150#define ADDR_CORRECT(x) (x) 151 152/* Prevent -lg from being used for debugging. Not implemented? */ 153 154#define LIBS_DEBUG 155 156/* arch-tag: a18bdba9-506d-40ed-9877-49fc27ce8cac 157 (do not change this comment) */ 158