src/s/usg5-4-2.h

   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
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs; see the file COPYING.  If not, write to
  20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 Boston, 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) */