Suppress weak vtables warnings

include/boost/smart_ptr/bad_weak_ptr.hpp

@@ -36,6 +36,11 @@ namespace boost
 # pragma option push -pc
 #endif
 
+#if defined(__clang__)
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
 class bad_weak_ptr: public std::exception
 {
 public:
@@ -46,6 +51,10 @@ public:
     }
 };
 
+#if defined(__clang__)
+# pragma clang diagnostic pop
+#endif
+
 #if defined(__BORLANDC__) && __BORLANDC__ <= 0x564
 # pragma option pop
 #endif