code.delx.au - gnu-emacs/blob - src/s/hpux10-20.h

   1 /* System description file for hpux version 10.20.
   2    Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   3      2008, 2009, 2010, 2011  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software: you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation, either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20
  21 #define RUN_TIME_REMAP
  22
  23 /* Define symbols to identify the version of Unix this is.
  24    Define all the symbols that apply correctly.  */
  25 #define USG                             /* System III, System V, etc */
  26 #define USG5
  27 #define HPUX
  28
  29 /* SYSTEM_TYPE should indicate the kind of system you are using.
  30    It sets the Lisp variable system-type.  */
  31 #define SYSTEM_TYPE "hpux"
  32
  33 /* Letter to use in finding device name of first pty,
  34    if system supports pty's.  'p' means it is /dev/ptym/ptyp0  */
  35 #define FIRST_PTY_LETTER 'p'
  36
  37 #define NO_TERMIO
  38
  39 /* Define HAVE_PTYS if the system supports pty devices.  */
  40 #define HAVE_PTYS
  41
  42 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  43 #define HAVE_SOCKETS
  44
  45 /* Define CLASH_DETECTION if you want lock files to be written
  46    so that Emacs can tell instantly when you try to modify
  47    a file that someone else has modified in his Emacs.  */
  48 #define CLASH_DETECTION
  49
  50 /* The symbol in the kernel where the load average is found
  51    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
  52
  53 /* Special hacks needed to make Emacs run on this system.  */
  54
  55 /* In hpux, the symbol SIGIO is defined, but the feature
  56    doesn't work in the way Emacs needs it to.  */
  57 #define BROKEN_SIGIO
  58
  59 /* Some additional system facilities exist.  */
  60 #define HAVE_PERROR  /* Delete this line for version 6.  */
  61
  62 /* This is how to get the device name of the tty end of a pty.  */
  63 #define PTY_TTY_NAME_SPRINTF \
  64             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
  65
  66 /* This is how to get the device name of the control end of a pty.  */
  67 #define PTY_NAME_SPRINTF \
  68         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
  69
  70 /* This triggers a conditional in xfaces.c.  */
  71 #define XOS_NEEDS_TIME_H
  72
  73 /* Assar Westerlund <assar@sics.se> says this is necessary for
  74    HP-UX 10.20, and that it works for HP-UX 0 as well.  */
  75 #define NO_EDITRES
  76
  77 /* Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
  78    has a broken `rint' in some library versions including math library
  79    version number A.09.05.
  80
  81    You can fix the math library by installing patch number PHSS_4630.
  82    But we can fix it more reliably for Emacs like this.  */
  83 #undef HAVE_RINT
  84
  85 /* We have to go this route, rather than hpux9's approach of renaming the
  86    functions via macros.  The system's stdlib.h has fully prototyped
  87    declarations, which yields a conflicting definition of srand48; it
  88    tries to redeclare what was once srandom to be srand48.  So we go
  89    with HAVE_LRAND48 being defined.  */
  90 #undef srandom
  91 #undef random
  92 #undef HAVE_RANDOM
  93
  94 /* AlainF 20-Jul-1996 says this is right.  */
  95 #define KERNEL_FILE "/stand/vmunix"
  96
  97
  98 /* Rainer Malzbender <rainer@displaytech.com> says definining
  99    HAVE_XRMSETDATABASE allows Emacs to compile on HP-UX 10.20 using GCC.  */
 100 #ifndef HAVE_XRMSETDATABASE
 101 #define HAVE_XRMSETDATABASE
 102 #endif
 103
 104 /* 2000-11-21: Temporarily disable Unix 98 large file support found by
 105    configure.  It fails on HPUX 11, at least, because it enables
 106    header sections which lose when `static' is defined away, as it is
 107    on HP-UX.  (You get duplicate symbol errors on linking). */
 108 #undef _FILE_OFFSET_BITS
 109
 110 /* Define VIRT_ADDR_VARIES if the virtual addresses of
 111    pure and impure space as loaded can vary, and even their
 112    relative order cannot be relied on.
 113
 114    Otherwise Emacs assumes that text space precedes data space,
 115    numerically.  */
 116 #define VIRT_ADDR_VARIES
 117 \f
 118 /* The data segment on this machine always starts at address 0x40000000.  */
 119 #define DATA_SEG_BITS 0x40000000
 120
 121 #define DATA_START    0x40000000
 122
 123 /* Data type of load average, as read out of kmem.  */
 124 #define LOAD_AVE_TYPE double
 125
 126 /* Convert that into an integer that is 100 for a load average of 1.0  */
 127 #define LOAD_AVE_CVT(x) ((int) (x * 100.0))
 128
 129 /* The kernel symbol where the load average is found is named _avenrun.
 130    At this time there are two major flavors of hp-ux (there is the s800
 131    and s300 (s200) flavors).  The differences are thusly moved to the
 132    corresponding machine description file.  */
 133
 134 /* No underscore please.  */
 135 #define LDAV_SYMBOL "avenrun"
 136