diff --git a/include/boost/exception/exception.hpp b/include/boost/exception/exception.hpp
index adaac68..6e9d405 100644
--- a/include/boost/exception/exception.hpp
+++ b/include/boost/exception/exception.hpp
@@ -189,6 +189,11 @@ boost
         E const & set_info( E const &, throw_line const & );
         }
 
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility push (default)
+# endif
+#endif
     class
     exception
         {
@@ -250,6 +255,11 @@ boost
         mutable char const * throw_file_;
         mutable int throw_line_;
         };
+#if defined(__GNUC__)
+# if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
+#  pragma GCC visibility pop
+# endif
+#endif
 
     inline
     exception::
@@ -334,7 +344,7 @@ boost
         struct
         enable_error_info_return_type
             {
-            typedef typename enable_error_info_helper<T,sizeof(exception_detail::dispatch_boost_exception((T*)0))>::type type;
+            typedef typename enable_error_info_helper<T,sizeof(exception_detail::dispatch_boost_exception(static_cast<T *>(0)))>::type type;
             };
         }