Check if MPI is enabled

Exclude the reservoir coupling stuff if MPI is not enabled

opm/simulators/flow/SimulatorFullyImplicitBlackoil.hpp

@@ -24,9 +24,14 @@
 
 #include <opm/common/ErrorMacros.hpp>
 
+#if HAVE_MPI
 #include <opm/input/eclipse/Schedule/ResCoup/ReservoirCouplingInfo.hpp>
 #include <opm/input/eclipse/Schedule/ResCoup/MasterGroup.hpp>
 #include <opm/input/eclipse/Schedule/ResCoup/Slaves.hpp>
+#include <opm/simulators/flow/ReservoirCouplingMaster.hpp>
+#include <opm/simulators/flow/ReservoirCouplingSlave.hpp>
+#endif
+
 #include <opm/input/eclipse/Units/UnitSystem.hpp>
 
 #include <opm/grid/utility/StopWatch.hpp>
@@ -199,6 +204,7 @@ public:
     // NOTE: The argc and argv will be used when launching a slave process
     void init(SimulatorTimer &timer, int argc, char** argv)
     {
+#if HAVE_MPI
         auto slave_mode = Parameters::Get<Parameters::Slave>();
         if (slave_mode) {
             this->reservoirCouplingSlave_ =
@@ -222,6 +228,7 @@ public:
                 this->reservoirCouplingMaster_->spawnSlaveProcesses(argc, argv);
             }
         }
+#endif
         simulator_.setEpisodeIndex(-1);
 
         // Create timers and file for writing timing info.
@@ -587,9 +594,11 @@ protected:
 
     SimulatorConvergenceOutput convergence_output_;
 
+#if HAVE_MPI
     bool slaveMode_{false};
     std::unique_ptr<ReservoirCouplingMaster> reservoirCouplingMaster_{nullptr};
     std::unique_ptr<ReservoirCouplingSlave> reservoirCouplingSlave_{nullptr};
+#endif
 
     SimulatorSerializer serializer_;
 };