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Use gcc endianness definitions when available.

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detect.h has manual litte/big endian definitions for some architectures
but many are missing.
Instead of adding more manual definitions it's better to use the
definitions of gcc when available.
This commit is contained in:
Felix Geyer 2011-06-06 11:33:26 +02:00 committed by oy
parent ee50ab5bea
commit 3d7bdaee8f
1 changed files with 26 additions and 5 deletions
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31
src/base/detect.h
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@ -76,35 +76,56 @@
#endif
/* use gcc endianness definitions when available */
#ifdef __GNUC__
#include <endian.h>
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define CONF_ARCH_ENDIAN_LITTLE 1
#elif __BYTE_ORDER == __BIG_ENDIAN
#define CONF_ARCH_ENDIAN_BIG 1
#endif
#endif
/* architectures */
#if defined(i386) || defined(__i386__) || defined(__x86__) || defined(CONF_PLATFORM_WIN32)
#define CONF_ARCH_IA32 1
#define CONF_ARCH_STRING "ia32"
#define CONF_ARCH_ENDIAN_LITTLE 1
#if !defined(CONF_ARCH_ENDIAN_LITTLE) && !defined(CONF_ARCH_ENDIAN_BIG)
#define CONF_ARCH_ENDIAN_LITTLE 1
#endif
#endif
#if defined(__ia64__)
#define CONF_ARCH_IA64 1
#define CONF_ARCH_STRING "ia64"
#define CONF_ARCH_ENDIAN_LITTLE 1
#if !defined(CONF_ARCH_ENDIAN_LITTLE) && !defined(CONF_ARCH_ENDIAN_BIG)
#define CONF_ARCH_ENDIAN_LITTLE 1
#endif
#endif
#if defined(__amd64__) || defined(__x86_64__)
#define CONF_ARCH_AMD64 1
#define CONF_ARCH_STRING "amd64"
#define CONF_ARCH_ENDIAN_LITTLE 1
#if !defined(CONF_ARCH_ENDIAN_LITTLE) && !defined(CONF_ARCH_ENDIAN_BIG)
#define CONF_ARCH_ENDIAN_LITTLE 1
#endif
#endif
#if defined(__powerpc__) || defined(__ppc__)
#define CONF_ARCH_PPC 1
#define CONF_ARCH_STRING "ppc"
#define CONF_ARCH_ENDIAN_BIG 1
#if !defined(CONF_ARCH_ENDIAN_LITTLE) && !defined(CONF_ARCH_ENDIAN_BIG)
#define CONF_ARCH_ENDIAN_BIG 1
#endif
#endif
#if defined(__sparc__)
#define CONF_ARCH_SPARC 1
#define CONF_ARCH_STRING "sparc"
#define CONF_ARCH_ENDIAN_BIG 1
#if !defined(CONF_ARCH_ENDIAN_LITTLE) && !defined(CONF_ARCH_ENDIAN_BIG)
#define CONF_ARCH_ENDIAN_BIG 1
#endif
#endif