From 942650f5a469a0624364c40838b7d3ce56065a2f Mon Sep 17 00:00:00 2001
From: Timo Koch <timo.koch@iws.uni-stuttgart.de>
Date: Tue, 31 Mar 2020 15:10:19 +0200
Subject: [PATCH] [linearsolvertraits] Parallel types should only exists if MPI
 is found

---
 dumux/linear/linearsolvertraits.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dumux/linear/linearsolvertraits.hh b/dumux/linear/linearsolvertraits.hh
index dcca6e0a75..154071021c 100644
--- a/dumux/linear/linearsolvertraits.hh
+++ b/dumux/linear/linearsolvertraits.hh
@@ -125,11 +125,13 @@ struct LinearSolverTraitsBase
     template<class Matrix, class Vector>
     using Sequential = SequentialSolverTraits<Matrix, Vector>;
 
+#if HAVE_MPI
     template<class Matrix, class Vector>
     using ParallelOverlapping = OverlappingSolverTraits<Matrix, Vector>;
 
     template<class Matrix, class Vector>
     using ParallelNonoverlapping = NonoverlappingSolverTraits<Matrix, Vector>;
+#endif
 };
 
 //! Box: use overlapping or non-overlapping model depending on the grid
-- 
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