1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
dnl Copyright (C) 1999-2005 Open Source Telecom Corporation.
dnl Copyright (C) 2006-2008 David Sugar, Tycho Softworks.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
dnl
dnl As a special exception to the GNU General Public License, if you
dnl distribute this file as part of a program that contains a configuration
dnl script generated by Autoconf, you may include it under the same
dnl distribution terms that you use for the rest of that program.
AC_DEFUN([OST_CC_ENDIAN],[
AC_REQUIRE([AC_CANONICAL_SYSTEM])
AC_REQUIRE([OST_SYS_POSIX])
AC_CHECK_HEADER(endian.h,[
AC_DEFINE(HAVE_ENDIAN_H, [1], [have endian header])
],[
AC_CHECK_HEADER(sys/isa_defs.h,[
AC_DEFINE(HAVE_SYS_ISA_DEFS_H, [1], [solaris endian])
],[
case "$target_cpu" in
alpha* | i?86)
AC_DEFINE(__BYTE_ORDER, [1234], [endian byte order])
;;
hppa* | m68* | mips* | powerpc* | sparc*)
AC_DEFINE(__BYTE_ORDER, [4321])
;;
esac
])
])
AH_BOTTOM([
#if defined(HAVE_ENDIAN_H)
#include <endian.h>
#elif defined(HAVE_SYS_ISA_DEFS_H)
#include <sys/isa_defs.h>
#ifdef _LITTLE_ENDIAN
#define __BYTE_ORDER 1234
#else
#define __BYTE_ORDER 4321
#endif
#if _ALIGNMENT_REQUIRED > 0
#define __BYTE_ALIGNMENT _MAX_ALIGNMENT
#else
#define __BYTE_ALIGNMENT 1
#endif
#endif
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN 1234
#define __BIG_ENDIAN 4321
#endif
#ifndef __BYTE_ORDER
#define __BYTE_ORDER 1234
#endif
#ifndef __BYTE_ALIGNMENT
#if defined(SPARC) || defined(sparc)
#if defined(__arch64__) || defined(__sparcv9)
#define __BYTE_ALIGNMENT 8
#else
#define __BYTE_ALIGNMENT 4
#endif
#endif
#endif
#ifndef __BYTE_ALIGNMENT
#define __BYTE_ALIGNMENT 1
#endif
])
])
|
