1/* s/ file for System V release 4.2. 2 3 Copyright (C) 1999, 2000, 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 "usg5-4.h" 25 26/* fnf@cygnus.com says these exist. */ 27#define HAVE_TCATTR 28#if 0 /* autoconf should take care of this. */ 29#define HAVE_GETHOSTNAME 30#define HAVE_RANDOM 31#endif 32/* #define HAVE_GETWD (appears to be buggy on SVR4.2) */ 33#undef HAVE_GETWD 34 35/* Info from fnf@cygnus.com suggests this is appropriate. */ 36#define POSIX_SIGNALS 37 38/* We don't need the definition from usg5-3.h with POSIX_SIGNALS. */ 39#undef sigsetmask 40#undef HAVE_SYSV_SIGPAUSE 41 42/* Motif needs -lgen. */ 43#undef LIBS_SYSTEM 44#define LIBS_SYSTEM -lsocket -lnsl -lelf -lgen 45 46/* This is the same definition as in usg5-4.h, but with sigblock/sigunblock 47 rather than sighold/sigrelse, which appear to be BSD4.1 specific and won't 48 work if POSIX_SIGNALS is defined. It may also be appropriate for SVR4.x 49 (x<2) but I'm not sure. fnf@cygnus.com */ 50/* This sets the name of the slave side of the PTY. On SysVr4, 51 grantpt(3) forks a subprocess, so keep sigchld_handler() from 52 intercepting that death. If any child but grantpt's should die 53 within, it should be caught after sigrelse(2). */ 54 55#undef PTY_TTY_NAME_SPRINTF 56#define PTY_TTY_NAME_SPRINTF \ 57 { \ 58 char *ptsname(), *ptyname; \ 59 \ 60 sigblock(sigmask(SIGCLD)); \ 61 if (grantpt(fd) == -1) \ 62 fatal("could not grant slave pty"); \ 63 sigunblock(sigmask(SIGCLD)); \ 64 if (unlockpt(fd) == -1) \ 65 fatal("could not unlock slave pty"); \ 66 if (!(ptyname = ptsname(fd))) \ 67 fatal ("could not enable slave pty"); \ 68 strncpy(pty_name, ptyname, sizeof(pty_name)); \ 69 pty_name[sizeof(pty_name) - 1] = 0; \ 70 } 71 72/* Use libw.a along with X11R6 Xt. */ 73#define NEED_LIBW 74 75/* ryanr@ellingtn.ftc.nrcs.usda.gov (Richard Anthony Ryan) says -lXimp 76 is needed in UNIX_SV ... 4.2 1.1.2. */ 77#define LIB_MOTIF -lXm -lXimp 78 79/* arch-tag: 9bbfcfc1-19be-45a1-9699-af57b87da2c6 80 (do not change this comment) */ 81