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