--- a/boost/boost/mpi/environment.hpp
+++ b/boost/boost/mpi/environment.hpp
@@ -176,6 +176,7 @@ public:
    *  @param errcode The error code to return to the environment.
    *  @returns Will not return.
    */
+  BOOST_NORETURN
   static void abort(int errcode);
 
   /** Determine if the MPI environment has already been initialized.