From 8e20e0957f752f4243bf39e44c58d0c663137401 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestad@sintef.no>
Date: Wed, 1 Jul 2020 21:52:57 +0200
Subject: [PATCH] Don't Name Type that does not Exist in Sequential
 Configurations

This commit makes the constructor PressureInverseOperator that
accepts a Dune::OwnerOverlapCopyCommunication<> object contingent on
having MPI.  The type does not exist otherwise.
---
 opm/simulators/linalg/PressureSolverPolicy.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/opm/simulators/linalg/PressureSolverPolicy.hpp b/opm/simulators/linalg/PressureSolverPolicy.hpp
index 699ac1611..d37e82601 100644
--- a/opm/simulators/linalg/PressureSolverPolicy.hpp
+++ b/opm/simulators/linalg/PressureSolverPolicy.hpp
@@ -58,6 +58,7 @@ namespace Amg
          */
         struct PressureInverseOperator : public Dune::InverseOperator<X, X>
         {
+#if HAVE_MPI
             template <typename GlobalIndex, typename LocalIndex>
             PressureInverseOperator(Operator& op,
                                     const boost::property_tree::ptree& prm,
@@ -67,6 +68,8 @@ namespace Amg
                 assert(op.category() == Dune::SolverCategory::overlapping);
                 linsolver_ = std::make_unique<Solver>(op, comm, prm, std::function<X()>());
             }
+#endif // HAVE_MPI
+
             PressureInverseOperator(Operator& op,
                                     const boost::property_tree::ptree& prm,
                                     const SequentialInformation&)