| 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 |
| |
| ]) |
| ]) |
| |