Add Android OS header for endian definition. And some platforms don't

define all of the *BYTE_ORDER *_ENDIAN macros so need to guard for that
case. (Thanks to mstahl@redhat.com for pointing those out).

doc/html/predef/acknoledgements.html

@@ -27,10 +27,10 @@
       This library would be an incoherent mess if it weren't for Boost community
       that provided invaluable feedback for the eight years that it took to polish
       into a useable form. In particular I would like to thank: Mathias Gaunard,
-      Robert Stewart, Jo��l Lamotte, Lars Viklund, Nathan Ridge, Artyom Beilis,
+      Robert Stewart, Joël Lamotte, Lars Viklund, Nathan Ridge, Artyom Beilis, Joshua
-      Joshua Boyce, Gottlob Frege, Thomas Heller, Edward Diener, Dave Abrahams, Iain
+      Boyce, Gottlob Frege, Thomas Heller, Edward Diener, Dave Abrahams, Iain Denniston,
-      Denniston, Dan Price, Ioannis Papadopoulos, and Robert Ramey. And thanks to
+      Dan Price, Ioannis Papadopoulos, and Robert Ramey. And thanks to Joel Falcou
-      Joel Falcou for managing the review of this library.
+      for managing the review of this library.
     </p>
 </div>
 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>

doc/html/predef/to_do.html

@@ -17,9 +17,14 @@
 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
 <a name="predef.to_do"></a><a class="link" href="to_do.html" title="To Do">To Do</a>
 </h2></div></div></div>
-<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
           Improve reference documentation.
-        </li></ul></div>
+        </li>
+<li class="listitem">
+          Provide BOOST_WORKAROUND style macros for public use.
+        </li>
+</ul></div>
 </div>
 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 <td align="left"></td>

doc/predef.qbk

@@ -576,7 +576,7 @@ This library would be an incoherent mess if it weren't for
 Boost community that provided invaluable feedback for the
 eight years that it took to polish into a useable form.
 In particular I would like to thank: Mathias Gaunard,
-Robert Stewart, Jo<EFBFBD><EFBFBD>l Lamotte, Lars Viklund, Nathan Ridge,
+Robert Stewart, Joël Lamotte, Lars Viklund, Nathan Ridge,
 Artyom Beilis, Joshua Boyce, Gottlob Frege, Thomas Heller,
 Edward Diener, Dave Abrahams, Iain Denniston, Dan Price,
 Ioannis Papadopoulos, and Robert Ramey. And thanks to

doc/todo.qbk

@@ -8,5 +8,6 @@ http://www.boost.org/LICENSE_1_0.txt)
 [section To Do]
 
 * Improve reference documentation.
+* Provide BOOST_WORKAROUND style macros for public use.
 
 [endsect]

include/boost/predef/other/endian.h

@@ -13,6 +13,7 @@ http://www.boost.org/LICENSE_1_0.txt)
 #include <boost/predef/library/c/gnu.h>
 #include <boost/predef/os/macos.h>
 #include <boost/predef/os/bsd.h>
+#include <boost/predef/os/android.h>
 
 /*`
 [heading `BOOST_ENDIAN_*`]
@@ -53,7 +54,7 @@ information and acquired knowledge:
  */
 #if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
     !BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
-#   if BOOST_LIB_C_GNU
+#   if BOOST_LIB_C_GNU || BOOST_OS_ANDROID
 #       include <endian.h>
 #   else
 #       if BOOST_OS_MACOS
@@ -69,29 +70,29 @@ information and acquired knowledge:
 #       endif
 #   endif
 #   if defined(__BYTE_ORDER)
-#       if (__BYTE_ORDER == __BIG_ENDIAN)
+#       if defined(__BIG_ENDIAN) && (__BYTE_ORDER == __BIG_ENDIAN)
 #           undef BOOST_ENDIAN_BIG_BYTE
 #           define BOOST_ENDIAN_BIG_BYTE BOOST_VERSION_NUMBER_AVAILABLE
 #       endif
-#       if (__BYTE_ORDER == __LITTLE_ENDIAN)
+#       if defined(__LITTLE_ENDIAN) && (__BYTE_ORDER == __LITTLE_ENDIAN)
 #           undef BOOST_ENDIAN_LITTLE_BYTE
 #           define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
 #       endif
-#       if (__BYTE_ORDER == __PDP_ENDIAN)
+#       if defined(__PDP_ENDIAN) && (__BYTE_ORDER == __PDP_ENDIAN)
 #           undef BOOST_ENDIAN_LITTLE_WORD
 #           define BOOST_ENDIAN_LITTLE_WORD BOOST_VERSION_NUMBER_AVAILABLE
 #       endif
 #   endif
 #   if !defined(__BYTE_ORDER) && defined(_BYTE_ORDER)
-#       if (_BYTE_ORDER == _BIG_ENDIAN)
+#       if defined(_BIG_ENDIAN) && (_BYTE_ORDER == _BIG_ENDIAN)
 #           undef BOOST_ENDIAN_BIG_BYTE
 #           define BOOST_ENDIAN_BIG_BYTE BOOST_VERSION_NUMBER_AVAILABLE
 #       endif
-#       if (_BYTE_ORDER == _LITTLE_ENDIAN)
+#       if defined(_LITTLE_ENDIAN) && (_BYTE_ORDER == _LITTLE_ENDIAN)
 #           undef BOOST_ENDIAN_LITTLE_BYTE
 #           define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
 #       endif
-#       if (_BYTE_ORDER == _PDP_ENDIAN)
+#       if defined(_PDP_ENDIAN) && (_BYTE_ORDER == _PDP_ENDIAN)
 #           undef BOOST_ENDIAN_LITTLE_WORD
 #           define BOOST_ENDIAN_LITTLE_WORD BOOST_VERSION_NUMBER_AVAILABLE
 #       endif