config: merge from trunk for new C++0x macros

[SVN r51606]

test/boost_no_static_assert.ipp

@@ -0,0 +1,20 @@
+//  Copyright (C) 2007 Douglas Gregor
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for most recent version.
+
+//  MACRO:         BOOST_NO_STATIC_ASSERT
+//  TITLE:         C++0x static_assert unavailable
+//  DESCRIPTION:   The compiler does not support C++0x static assertions
+
+namespace boost_no_static_assert {
+
+int test()
+{
+   static_assert(true, "OK");
+   return 0;
+}
+
+}