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  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 HAVE_TERMIOS
  39 #define NO_TERMIO
  40
  41 #define ORDINARY_LINK
  42
  43 /* Define HAVE_PTYS if the system supports pty devices.  */
  44 #define HAVE_PTYS
  45
  46 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  47 #define HAVE_SOCKETS
  48
  49 /* Define CLASH_DETECTION if you want lock files to be written
  50    so that Emacs can tell instantly when you try to modify
  51    a file that someone else has modified in his Emacs.  */
  52 #define CLASH_DETECTION
  53
  54 /* The symbol in the kernel where the load average is found
  55    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
  56
  57 /* Special hacks needed to make Emacs run on this system.  */
  58
  59 /* In hpux, the symbol SIGIO is defined, but the feature
  60    doesn't work in the way Emacs needs it to.  */
  61 #define BROKEN_SIGIO
  62
  63 /* Some additional system facilities exist.  */
  64 #define HAVE_PERROR  /* Delete this line for version 6.  */
  65
  66 /* This is how to get the device name of the tty end of a pty.  */
  67 #define PTY_TTY_NAME_SPRINTF \
  68             sprintf (pty_name, "/dev/pty/tty%c%x", c, i);
  69
  70 /* This is how to get the device name of the control end of a pty.  */
  71 #define PTY_NAME_SPRINTF \
  72         sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);
  73
  74 /* This triggers a conditional in xfaces.c.  */
  75 #define XOS_NEEDS_TIME_H
  76
  77 /* Assar Westerlund <assar@sics.se> says this is necessary for
  78    HP-UX 10.20, and that it works for HP-UX 0 as well.  */
  79 #define NO_EDITRES
  80
  81 /* Tested in getloadavg.c.  */
  82 #define HAVE_PSTAT_GETDYNAMIC
  83
  84 /* Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
  85    has a broken `rint' in some library versions including math library
  86    version number A.09.05.
  87
  88    You can fix the math library by installing patch number PHSS_4630.
  89    But we can fix it more reliably for Emacs like this.  */
  90 #undef HAVE_RINT
  91
  92 /* We have to go this route, rather than hpux9's approach of renaming the
  93    functions via macros.  The system's stdlib.h has fully prototyped
  94    declarations, which yields a conflicting definition of srand48; it
  95    tries to redeclare what was once srandom to be srand48.  So we go
  96    with HAVE_LRAND48 being defined.  */
  97 #undef srandom
  98 #undef random
  99 #undef HAVE_RANDOM
 100
 101 /* AlainF 20-Jul-1996 says this is right.  */
 102 #define KERNEL_FILE "/stand/vmunix"
 103
 104
 105 /* Rainer Malzbender <rainer@displaytech.com> says definining
 106    HAVE_XRMSETDATABASE allows Emacs to compile on HP-UX 10.20 using GCC.  */
 107 #ifndef HAVE_XRMSETDATABASE
 108 #define HAVE_XRMSETDATABASE
 109 #endif
 110
 111 /* 2000-11-21: Temporarily disable Unix 98 large file support found by
 112    configure.  It fails on HPUX 11, at least, because it enables
 113    header sections which lose when `static' is defined away, as it is
 114    on HP-UX.  (You get duplicate symbol errors on linking). */
 115 #undef _FILE_OFFSET_BITS
 116
 117 /* Define VIRT_ADDR_VARIES if the virtual addresses of
 118    pure and impure space as loaded can vary, and even their
 119    relative order cannot be relied on.
 120
 121    Otherwise Emacs assumes that text space precedes data space,
 122    numerically.  */
 123 #define VIRT_ADDR_VARIES
 124 \f
 125 /* The data segment on this machine always starts at address 0x40000000.  */
 126 #define DATA_SEG_BITS 0x40000000
 127
 128 #define DATA_START    0x40000000
 129
 130 /* Data type of load average, as read out of kmem.  */
 131 #define LOAD_AVE_TYPE double
 132
 133 /* Convert that into an integer that is 100 for a load average of 1.0  */
 134 #define LOAD_AVE_CVT(x) ((int) (x * 100.0))
 135
 136 /* The kernel symbol where the load average is found is named _avenrun.
 137    At this time there are two major flavors of hp-ux (there is the s800
 138    and s300 (s200) flavors).  The differences are thusly moved to the
 139    corresponding machine description file.  */
 140
 141 /* No underscore please.  */
 142 #define LDAV_SYMBOL "avenrun"
 143
 144 /* arch-tag: 8d8dcbf1-ca9b-48a1-94be-b750de18a5c6
 145    (do not change this comment) */