Added minimal Docs for new macros and headers (abi fixing/link library selection/BOOST_HAS_DECLS|PEC), more to come on this...

Added test cases for new macros and headers.


[SVN r19655]

test/link/link_test.cpp

@@ -0,0 +1,25 @@
+//  (C) Copyright John Maddock 2003. Permission to copy, use, modify, sell and
+//  distribute this software is granted provided this copyright notice appears
+//  in all copies. This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+
+//  See http://www.boost.org for the most recent version.
+
+
+#define BOOST_CONFIG_SOURCE
+
+#include "link_test.hpp"
+
+bool BOOST_CONFIG_DECL check_options(
+                   bool m_dyn_link,
+                   bool m_dyn_rtl,
+                   bool m_has_threads,
+                   bool m_debug,
+                   bool m_stlp_debug)
+{
+   return (m_dyn_link == dyn_link) 
+      && (m_dyn_rtl == dyn_rtl)
+      && (m_has_threads == has_threads)
+      && (m_debug == debug)
+      && (m_stlp_debug == stl_debug);
+}