src/s/sunos4-0.h

   1 /* Definitions file for GNU Emacs running on sunos 4.0.
   2
   3    Copyright (C) 1994, 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 "bsd4-2.h"
  25
  26 #ifndef SUNOS4
  27 #define SUNOS4
  28 #endif
  29
  30 #if 0  /* This may have been needed for an earlier version of Sun OS 4.
  31           It seems to cause warnings in 4.0.3 and 4.1.  */
  32 #define O_NDELAY        FNDELAY /* Non-blocking I/O (4.2 style) */
  33 #endif
  34
  35 /* We use the Sun syntax -Bstatic unconditionally, because even when we
  36    use GCC, these are passed through to the linker, not handled by GCC
  37    directly.  */
  38 #define LD_SWITCH_SYSTEM -Bstatic
  39
  40 /* We use this for linking temacs, but not for other programs
  41    or for tests in configure.  */
  42 #define LD_SWITCH_SYSTEM_TEMACS -e __start
  43
  44 /* In SunOS 4.1, a static function called by tzsetwall reportedly
  45    clears the byte just past an eight byte region it mallocs, corrupting
  46    GNU malloc's memory pool.  But Sun's malloc doesn't seem to mind. */
  47
  48 #define SYSTEM_MALLOC
  49
  50 /* SunOS 4.x cc <stdlib.h> declares abort and free to return int.  */
  51
  52 #ifndef __STDC__
  53 #define ABORT_RETURN_TYPE int
  54 #define FREE_RETURN_TYPE int
  55 #endif
  56
  57 #ifdef __GNUC__
  58 /* We must define mkdir with this arg prototype
  59    to match GCC's fixed stat.h.  */
  60 #define MKDIR_PROTOTYPE \
  61   int mkdir (const char *dpath, unsigned short dmode)
  62 #endif /* __GNUC__ */
  63
  64 /* Must use the system's termcap, if we use any termcap.
  65    It does special things.  */
  66
  67 #ifndef TERMINFO
  68 #define LIBS_TERMCAP -ltermcap
  69 #endif
  70
  71 #define GC_SETJMP_WORKS 1
  72 #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
  73
  74 /* arch-tag: 362f3bfc-810d-4f6e-9b83-5a32f8f1a926
  75    (do not change this comment) */