1/* system description file for Interactive (ISC) Unix version 2.2 on the 386. 2 3 Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 4 2007 Free Software Foundation, Inc. 5 6This file is part of GNU Emacs. 7 8GNU Emacs is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 2, or (at your option) 11any later version. 12 13GNU Emacs is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GNU Emacs; see the file COPYING. If not, write to 20the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21Boston, MA 02110-1301, USA. */ 22 23 24#include "usg5-3.h" 25 26/* select (in -linet) works okay on X ptys, but not on the serial port. 27 karl@cs.umb.edu says that with that select call, subprocesses made by 28 (e.g.) M-x grep don't exit cleanly, they just hang. Similar problems 29 have been observed in ISC 3.0. */ 30#define BROKEN_SELECT_NON_X 31 32/* karl@cs.umb.edu says that ISC's socket support (in -linet) isn't 33 what Emacs needs; it makes interrupt-shell-subjob and the like do 34 nothing. But that appears to have been another manifestation of 35 the broken select, so it should now be safe to define this again. */ 36#define HAVE_SOCKETS 37 38#define NO_SOCKETS_IN_FILE_SYSTEM 39#define NEED_NET_ERRNO_H 40 41/* This keeps the .cdbx section that gcc puts out when generating 42 stabs-in-coff output, so Emacs can be debugged. --karl@cs.umb.edu. */ 43#define USG_SHARED_LIBRARIES 44 45/* We can support lock files. */ 46#define CLASH_DETECTION 47#define NO_FCHMOD 48 49#define HAVE_PTYS 50#define MAXNAMLEN 512 51#define O_NDELAY O_NONBLOCK 52#define MEMORY_IN_STRING_H 53 54/* Tell gmalloc.c that we don't have memmove (system include files to the 55 contrary!). */ 56#define MEMMOVE_MISSING 57 58/* Send a signal to a subprocess by "typing" a signal character. */ 59#define SIGNALS_VIA_CHARACTERS 60 61/* -lPW is only needed if not using Gcc. We used to include -lcposix here 62 for the rename function, but some people say ISC's rename doesn't 63 work correctly with Emacs so we use Emacs' emulation instead. */ 64#if defined (__GNUC__) 65# define LIB_STANDARD_1 -lcposix 66#else /* !__GNUC__ */ 67# define LIB_STANDARD_1 -lPW 68#endif /* !__GNUC__ */ 69 70/* LIB_STANDARD_1 is used both here and in LIBS_SYSTEM 71 (the latter for the sake of configure). */ 72#define LIB_STANDARD LIB_STANDARD_1 -lc 73 74#define NO_X_DESTROY_DATABASE 75 76/* -linet may be needed to avoid undefined symbols such as gethostname, 77 inet_addr, gethostbyname, socket, connect, ... */ 78#define LIBS_SYSTEM -linet LIB_STANDARD_1 79 80/* This system has job control. */ 81#undef NOMULTIPLEJOBS 82 83/* Inhibit asm code in netinet/in.h. Strictly speaking, only necessary 84 when -traditional is being used, but it doesn't hurt to 85 unconditionally define this. */ 86#define NO_ASM 87 88/* -traditional is not necessary if the system header files are fixed to 89 define getc and putc in the absence of _POSIX_SOURCE. GCC's from 2.4.4 90 on do this. */ 91#if !defined (__GNUC__) || __GNUC__ < 2 92# define C_SWITCH_SYSTEM -traditional 93#endif 94 95/* Some versions of ISC are said to define S_IFLNK even tho 96 they don't really support symlinks. */ 97#undef S_IFLNK 98 99/* arch-tag: 4de02713-eac5-4360-9d36-fd82c7a3ae44 100 (do not change this comment) */ 101