--- a/src/config.h.in
+++ b/src/config.h.in
@@ -1,4 +1,7 @@
/* src/config.h.in. Generated from configure.ac by autoheader. */
+
+/* Has std::unordered_map */
+#undef HAVE_CXX0X_UNORDERED
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
@@ -14,6 +17,9 @@
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
+
+/* Has std::shared_ptr */
+#undef HAVE_SHARED_PTR_STD
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H