--- libs/mpi/build/Jamfile.v2.orig
+++ libs/mpi/build/Jamfile.v2
@@ -49,6 +49,7 @@
     <link>shared:<define>BOOST_MPI_DYN_LINK=1
   : # Default build
     <link>shared
+    <threading>multi
   : # Usage requirements
     <library>../../serialization/build//boost_serialization
     <library>/mpi//mpi [ mpi.extra-requirements ]
@@ -95,6 +96,7 @@
                 <python>$(py$(N)-version)
               : # Default build
                 <link>shared
+                <threading>multi
               : # Usage requirements
                 <library>/mpi//mpi [ mpi.extra-requirements ]
               ;
@@ -122,6 +124,7 @@
                 <link>shared:<define>BOOST_MPI_PYTHON_DYN_LINK=1
                 <link>shared:<define>BOOST_PYTHON_DYN_LINK=1
                 <link>shared <runtime-link>shared
+                <threading>multi
                 <python-debugging>on:<define>BOOST_DEBUG_PYTHON
                 <python>$(py$(N)-version)
               ;