src/s/isc2-2.h

   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
   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 "usg5-3.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) */