src/s/hpux10-20.h

   1 /* System description file for hpux version 10.20.
   2
   3 Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
   4   2009, 2010, 2011  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 3 of the License, or
  11 (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21
  22 #define RUN_TIME_REMAP
  23
  24 /* Define symbols to identify the version of Unix this is.
  25    Define all the symbols that apply correctly.  */
  26 #define USG                             /* System III, System V, etc */
  27 #define USG5
  28 #define HPUX
  29
  30 /* SYSTEM_TYPE should indicate the kind of system you are using.
  31    It sets the Lisp variable system-type.  */
  32 #define SYSTEM_TYPE "hpux"
  33
  34 /* Letter to use in finding device name of first pty,
  35    if system supports pty's.  'p' means it is /dev/ptym/ptyp0  */
  36 #define FIRST_PTY_LETTER 'p'
  37
  38 #define NO_TERMIO
  39
  40 /* Define HAVE_PTYS if the system supports pty devices.  */
  41 #define HAVE_PTYS
  42
  43 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  44 #define HAVE_SOCKETS
  45
  46 /* Define CLASH_DETECTION if you want lock files to be written
  47    so that Emacs can tell instantly when you try to modify
  48    a file that someone else has modified in his Emacs.  */
  49 #define CLASH_DETECTION
  50
  51 /* The symbol in the kernel where the load average is found
  52    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
  53
  54 /* Special hacks needed to make Emacs run on this system.  */
  55
  56 /* In hpux, the symbol SIGIO is defined, but the feature
  57    doesn't work in the way Emacs needs it to.  */
  58 #define BROKEN_SIGIO
  59
  60 /* Some additional system facilities exist.  */
  61 #define HAVE_PERROR  /* Delete this line for version 6.  */
  62
  63 /* This is how to get the device name of the tty end of a pty.  */
  64 #define PTY_TTY_NAME_SPRINTF \
  65             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
  66
  67 /* This is how to get the device name of the control end of a pty.  */
  68 #define PTY_NAME_SPRINTF \
  69         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
  70
  71 /* This triggers a conditional in xfaces.c.  */
  72 #define XOS_NEEDS_TIME_H
  73
  74 /* Assar Westerlund <assar@sics.se> says this is necessary for
  75    HP-UX 10.20, and that it works for HP-UX 0 as well.  */
  76 #define NO_EDITRES
  77
  78 /* Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
  79    has a broken `rint' in some library versions including math library
  80    version number A.09.05.
  81
  82    You can fix the math library by installing patch number PHSS_4630.
  83    But we can fix it more reliably for Emacs like this.  */
  84 #undef HAVE_RINT
  85
  86 /* We have to go this route, rather than hpux9's approach of renaming the
  87    functions via macros.  The system's stdlib.h has fully prototyped
  88    declarations, which yields a conflicting definition of srand48; it
  89    tries to redeclare what was once srandom to be srand48.  So we go
  90    with HAVE_LRAND48 being defined.  */
  91 #undef srandom
  92 #undef random
  93 #undef HAVE_RANDOM
  94
  95 /* AlainF 20-Jul-1996 says this is right.  */
  96 #define KERNEL_FILE "/stand/vmunix"
  97
  98
  99 /* Rainer Malzbender <rainer@displaytech.com> says definining
 100    HAVE_XRMSETDATABASE allows Emacs to compile on HP-UX 10.20 using GCC.  */
 101 #ifndef HAVE_XRMSETDATABASE
 102 #define HAVE_XRMSETDATABASE
 103 #endif
 104
 105 /* 2000-11-21: Temporarily disable Unix 98 large file support found by
 106    configure.  It fails on HPUX 11, at least, because it enables
 107    header sections which lose when `static' is defined away, as it is
 108    on HP-UX.  (You get duplicate symbol errors on linking). */
 109 #undef _FILE_OFFSET_BITS
 110
 111 /* Define VIRT_ADDR_VARIES if the virtual addresses of
 112    pure and impure space as loaded can vary, and even their
 113    relative order cannot be relied on.
 114
 115    Otherwise Emacs assumes that text space precedes data space,
 116    numerically.  */
 117 #define VIRT_ADDR_VARIES
 118 \f
 119 /* The data segment on this machine always starts at address 0x40000000.  */
 120 #define DATA_SEG_BITS 0x40000000
 121
 122 #define DATA_START    0x40000000
 123
 124 /* Data type of load average, as read out of kmem.  */
 125 #define LOAD_AVE_TYPE double
 126
 127 /* Convert that into an integer that is 100 for a load average of 1.0  */
 128 #define LOAD_AVE_CVT(x) ((int) (x * 100.0))
 129
 130 /* The kernel symbol where the load average is found is named _avenrun.
 131    At this time there are two major flavors of hp-ux (there is the s800
 132    and s300 (s200) flavors).  The differences are thusly moved to the
 133    corresponding machine description file.  */
 134
 135 /* No underscore please.  */
 136 #define LDAV_SYMBOL "avenrun"
 137