1/* Definitions file for GNU Emacs running on AT&T's System V Release 3 2 Copyright (C) 1987, 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 32#define USG5_3 33 34/* SYSTEM_TYPE should indicate the kind of system you are using. 35 It sets the Lisp variable system-type. */ 36 37#define SYSTEM_TYPE "usg-unix-v" 38 39/* nomultiplejobs should be defined if your system's shell 40 does not have "job control" (the ability to stop a program, 41 run some other program, then continue the first one). */ 42 43#define NOMULTIPLEJOBS 44 45/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */ 46 47/* #define INTERRUPT_INPUT */ 48 49/* Letter to use in finding device name of first pty, 50 if system supports pty's. 'p' means it is /dev/ptyp0 */ 51 52#define FIRST_PTY_LETTER 'p' 53 54/* 55 * Define HAVE_TERMIO if the system provides sysV-style ioctls 56 * for terminal control. 57 */ 58 59#define HAVE_TERMIO 60 61/* 62 * Define HAVE_PTYS if the system supports pty devices. 63 */ 64 65/* Some versions of V.3 have this, but not all. 66 #define HAVE_PTYS 67 #define SYSV_PTYS */ 68 69/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */ 70 71/* #define HAVE_SOCKETS */ 72 73/* 74 * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate 75 * The 4.2 opendir, etc., library functions. 76 */ 77 78/* #define NONSYSTEM_DIR_LIBRARY */ 79 80/* 81 * Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir 82 * library functions. Almost, but not quite the same as 83 * the 4.2 functions 84 */ 85#define SYSV_SYSTEM_DIR 86 87/* Define this symbol if your system has the functions bcopy, etc. */ 88 89/* #define BSTRING */ 90 91/* subprocesses should be defined if you want to 92 have code for asynchronous subprocesses 93 (as used in M-x compile and M-x shell). 94 This is supposed to work now on system V release 2. */ 95 96#define subprocesses 97 98/* If your system uses COFF (Common Object File Format) then define the 99 preprocessor symbol "COFF". */ 100 101#define COFF 102 103/* define MAIL_USE_FLOCK if the mailer uses flock 104 to interlock access to /usr/spool/mail/$USER. 105 The alternative is that a lock file named 106 /usr/spool/mail/$USER.lock. */ 107 108/* #define MAIL_USE_FLOCK */ 109 110/* Define CLASH_DETECTION if you want lock files to be written 111 so that Emacs can tell instantly when you try to modify 112 a file that someone else has modified in his Emacs. */ 113 114/* #define CLASH_DETECTION */ 115 116/* Define SHORTNAMES if the C compiler can distinguish only 117 short names. It means that the stuff in ../shortnames 118 must be run to convert the long names to short ones. */ 119 120/* #define SHORTNAMES */ 121 122/* The file containing the kernel's symbol table is called /unix. */ 123 124#define KERNEL_FILE "/unix" 125 126/* The symbol in the kernel where the load average is found 127 is named avenrun. */ 128 129#define LDAV_SYMBOL "avenrun" 130 131/* Define this if system V IPC is available. */ 132 133#define HAVE_SYSVIPC 134 135/* Special hacks needed to make Emacs run on this system. */ 136 137/* 138 * Make the sigsetmask function go away. Don't know what the 139 * ramifications of this are, but doesn't seem possible to 140 * emulate it properly anyway at this point. 141 */ 142 143#define sigsetmask(mask) /* Null expansion */ 144 145/* setjmp and longjmp can safely replace _setjmp and _longjmp, 146 but they will run slower. */ 147 148#define _setjmp setjmp 149#define _longjmp longjmp 150 151/* On USG systems these have different names */ 152#ifndef HAVE_INDEX 153#define index strchr 154#endif /* ! defined (HAVE_INDEX) */ 155#ifndef HAVE_RINDEX 156#define rindex strrchr 157#endif /* ! defined (HAVE_RINDEX) */ 158 159/* USG systems tend to put everything declared static 160 into the initialized data area, which becomes pure after dumping Emacs. 161 Foil this. Emacs carefully avoids static vars inside functions. */ 162 163#define static 164 165/* Compiler bug bites on many systems when default ADDR_CORRECT is used. */ 166 167#define ADDR_CORRECT(x) (x) 168 169/* Use terminfo instead of termcap. */ 170 171#define TERMINFO 172 173/* Some variants have TIOCGETC, but the structures to go with it 174 are not declared. */ 175 176#define BROKEN_TIOCGETC 177 178/* AT&T SVr3 X wants to be linked with shared libraries */ 179 180#define LIB_X11_LIB -lX11_s 181 182/* X needs to talk on the network, so search the network library. */ 183 184#define LIBX10_SYSTEM -lnsl_s 185#define LIBX11_SYSTEM -lpt -lnls -lnsl_s -lc_s 186 187/* The docs for system V/386 suggest v.3 has sigpause, 188 so let's give it a try. */ 189#define HAVE_SYSV_SIGPAUSE 190 191/* Some variants have TIOCGWINSZ, but the structures to go with it 192 are not declared. */ 193 194#define BROKEN_TIOCGWINSZ 195 196/* If we're using the System V X port, BSD bstring functions will be handy */ 197 198#ifdef HAVE_X_WINDOWS 199#define BSTRING 200#endif /* HAVE_X_WINDOWS */ 201 202/* Enable support for shared libraries in unexec. */ 203 204#define USG_SHARED_LIBRARIES 205 206/* On USG systems signal handlers return void */ 207 208#define SIGTYPE void 209 210/* arch-tag: 2bca65fd-f015-44b9-a2aa-9f8170ce89ca 211 (do not change this comment) */ 212