Merge changes from Trunk. Fixes #6013. Fixes #7151. Fixes #7359. Fixes #7389. Fixes #7452. Fixes #7528. Fixes #7703. Fixes #7841. Fixes #7898. Fixes #7938. Fixes #8048.

[SVN r83139]

include/boost/detail/endian.hpp

@@ -28,10 +28,12 @@
 #ifndef BOOST_DETAIL_ENDIAN_HPP
 #define BOOST_DETAIL_ENDIAN_HPP
 
+//
+// Special cases come first:
+//
+#if defined (__GLIBC__)
 // GNU libc offers the helpful header <endian.h> which defines
 // __BYTE_ORDER
-
-#if defined (__GLIBC__)
 # include <endian.h>
 # if (__BYTE_ORDER == __LITTLE_ENDIAN)
 #  define BOOST_LITTLE_ENDIAN
@@ -43,13 +45,56 @@
 #  error Unknown machine endianness detected.
 # endif
 # define BOOST_BYTE_ORDER __BYTE_ORDER
+
+#elif defined(__NetBSD__) || defined(__FreeBSD__) || \
+    defined(__OpenBSD__) || (__DragonFly__)
+//
+// BSD has endian.h, see https://svn.boost.org/trac/boost/ticket/6013
+#  if defined(__OpenBSD__)
+#  include <machine/endian.h>
+#  else
+#  include <sys/endian.h>
+#  endif
+# if (_BYTE_ORDER == _LITTLE_ENDIAN)
+#  define BOOST_LITTLE_ENDIAN
+# elif (_BYTE_ORDER == _BIG_ENDIAN)
+#  define BOOST_BIG_ENDIAN
+# elif (_BYTE_ORDER == _PDP_ENDIAN)
+#  define BOOST_PDP_ENDIAN
+# else
+#  error Unknown machine endianness detected.
+# endif
+# define BOOST_BYTE_ORDER _BYTE_ORDER
+
+#elif defined( __ANDROID__ )
+// Adroid specific code, see: https://svn.boost.org/trac/boost/ticket/7528
+// Here we can use machine/_types.h, see:
+// http://stackoverflow.com/questions/6212951/endianness-of-android-ndk
+# include "machine/_types.h"
+# ifdef __ARMEB__
+#  define BOOST_BIG_ENDIAN
+#  define BOOST_BYTE_ORDER 4321
+# else
+#  define BOOST_LITTLE_ENDIAN
+#  define BOOST_BYTE_ORDER 1234
+# endif // __ARMEB__
+
+#elif defined( _XBOX )
+//
+// XBox is always big endian??
+//
+# define BOOST_BIG_ENDIAN
+# define BOOST_BYTE_ORDER 4321
+
 #elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN) || \
     defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__) || \
+    defined(__BIGENDIAN__) && !defined(__LITTLEENDIAN__) || \
     defined(_STLP_BIG_ENDIAN) && !defined(_STLP_LITTLE_ENDIAN)
 # define BOOST_BIG_ENDIAN
 # define BOOST_BYTE_ORDER 4321
 #elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) || \
     defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__) || \
+    defined(__LITTLEENDIAN__) && !defined(__BIGENDIAN__) || \
     defined(_STLP_LITTLE_ENDIAN) && !defined(_STLP_BIG_ENDIAN)
 # define BOOST_LITTLE_ENDIAN
 # define BOOST_BYTE_ORDER 1234
@@ -57,7 +102,7 @@
    || defined(_POWER) || defined(__powerpc__) \
    || defined(__ppc__) || defined(__hpux) || defined(__hppa) \
    || defined(_MIPSEB) || defined(_POWER) \
-   || defined(__s390__)
+   || defined(__s390__) || defined(__ARMEB__)
 # define BOOST_BIG_ENDIAN
 # define BOOST_BYTE_ORDER 4321
 #elif defined(__i386__) || defined(__alpha__) \
@@ -66,7 +111,9 @@
    || defined(_M_ALPHA) || defined(__amd64) \
    || defined(__amd64__) || defined(_M_AMD64) \
    || defined(__x86_64) || defined(__x86_64__) \
-   || defined(_M_X64) || defined(__bfin__)
+   || defined(_M_X64) || defined(__bfin__) \
+   || defined(__ARMEL__) \
+   || (defined(_WIN32) && defined(__ARM__) && defined(_MSC_VER)) // ARM Windows CE don't define anything reasonably unique, but there are no big-endian Windows versions 
 
 # define BOOST_LITTLE_ENDIAN
 # define BOOST_BYTE_ORDER 1234
@@ -76,3 +123,4 @@
 
 
 #endif
+