diff --git a/include/boost/config/compiler/gcc.hpp b/include/boost/config/compiler/gcc.hpp
index 17895dcb..27df829b 100644
--- a/include/boost/config/compiler/gcc.hpp
+++ b/include/boost/config/compiler/gcc.hpp
@@ -91,6 +91,15 @@
 #if __GNUC__ > 3 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 1 )
 #define BOOST_HAS_NRVO
 #endif
+//
+// RTTI and typeinfo detection is possible post gcc-4.3:
+//
+#if __GNUC__ * 100 + __GNUC_MINOR__ >= 403
+#  ifndef __GXX_RTTI
+#     define BOOST_NO_TYPEID
+#     define BOOST_NO_RTTI
+#  endif
+#endif
 
 //
 // C++0x features
diff --git a/include/boost/config/suffix.hpp b/include/boost/config/suffix.hpp
index 9b1eecbe..dd7c998e 100644
--- a/include/boost/config/suffix.hpp
+++ b/include/boost/config/suffix.hpp
@@ -157,6 +157,13 @@
 #  define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
 #endif
 
+//
+// Without typeid support we have no dynamic RTTI either:
+//
+#if defined(BOOST_NO_TYPEID) && !defined(BOOST_NO_RTTI)
+#  define BOOST_NO_RTTI
+#endif
+
 //
 // If we have a standard allocator, then we have a partial one as well:
 //