| Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | dnl Copyright (C) 1999-2005 Open Source Telecom Corporation. |
| 2 | dnl Copyright (C) 2006-2008 David Sugar, Tycho Softworks. |
| 3 | dnl |
| 4 | dnl This program is free software; you can redistribute it and/or modify |
| 5 | dnl it under the terms of the GNU General Public License as published by |
| 6 | dnl the Free Software Foundation; either version 2 of the License, or |
| 7 | dnl (at your option) any later version. |
| 8 | dnl |
| 9 | dnl This program is distributed in the hope that it will be useful, |
| 10 | dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | dnl GNU General Public License for more details. |
| 13 | dnl |
| 14 | dnl You should have received a copy of the GNU General Public License |
| 15 | dnl along with this program; if not, write to the Free Software |
| 16 | dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | dnl |
| 18 | dnl As a special exception to the GNU General Public License, if you |
| 19 | dnl distribute this file as part of a program that contains a configuration |
| 20 | dnl script generated by Autoconf, you may include it under the same |
| 21 | dnl distribution terms that you use for the rest of that program. |
| 22 | |
| 23 | AC_DEFUN([OST_CC_ENDIAN],[ |
| 24 | AC_REQUIRE([AC_CANONICAL_SYSTEM]) |
| 25 | AC_REQUIRE([OST_SYS_POSIX]) |
| 26 | AC_CHECK_HEADER(endian.h,[ |
| 27 | AC_DEFINE(HAVE_ENDIAN_H, [1], [have endian header]) |
| 28 | ],[ |
| 29 | AC_CHECK_HEADER(sys/isa_defs.h,[ |
| 30 | AC_DEFINE(HAVE_SYS_ISA_DEFS_H, [1], [solaris endian]) |
| 31 | ],[ |
| 32 | case "$target_cpu" in |
| 33 | alpha* | i?86) |
| 34 | AC_DEFINE(__BYTE_ORDER, [1234], [endian byte order]) |
| 35 | ;; |
| 36 | hppa* | m68* | mips* | powerpc* | sparc*) |
| 37 | AC_DEFINE(__BYTE_ORDER, [4321]) |
| 38 | ;; |
| 39 | esac |
| 40 | ]) |
| 41 | ]) |
| 42 | AH_BOTTOM([ |
| 43 | #if defined(HAVE_ENDIAN_H) |
| 44 | #include <endian.h> |
| 45 | #elif defined(HAVE_SYS_ISA_DEFS_H) |
| 46 | #include <sys/isa_defs.h> |
| 47 | #ifdef _LITTLE_ENDIAN |
| 48 | #define __BYTE_ORDER 1234 |
| 49 | #else |
| 50 | #define __BYTE_ORDER 4321 |
| 51 | #endif |
| 52 | #if _ALIGNMENT_REQUIRED > 0 |
| 53 | #define __BYTE_ALIGNMENT _MAX_ALIGNMENT |
| 54 | #else |
| 55 | #define __BYTE_ALIGNMENT 1 |
| 56 | #endif |
| 57 | #endif |
| 58 | |
| 59 | #ifndef __LITTLE_ENDIAN |
| 60 | #define __LITTLE_ENDIAN 1234 |
| 61 | #define __BIG_ENDIAN 4321 |
| 62 | #endif |
| 63 | |
| 64 | #ifndef __BYTE_ORDER |
| 65 | #define __BYTE_ORDER 1234 |
| 66 | #endif |
| 67 | |
| 68 | #ifndef __BYTE_ALIGNMENT |
| 69 | #if defined(SPARC) || defined(sparc) |
| 70 | #if defined(__arch64__) || defined(__sparcv9) |
| 71 | #define __BYTE_ALIGNMENT 8 |
| 72 | #else |
| 73 | #define __BYTE_ALIGNMENT 4 |
| 74 | #endif |
| 75 | #endif |
| 76 | #endif |
| 77 | |
| 78 | #ifndef __BYTE_ALIGNMENT |
| 79 | #define __BYTE_ALIGNMENT 1 |
| 80 | #endif |
| 81 | |
| 82 | ]) |
| 83 | ]) |
| 84 | |