From: Sebastian Kinnewig <kinnewig@ifam.uni-hannover.de>
Date: Sat, 28 Oct 2023 10:16:45 +0000 (+0200)
Subject: Fix warnings
X-Git-Tag: relicensing~345^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f1b383c3aa4bdffe385f1f4b83f3845899fd87df;p=dealii.git

Fix warnings
---

diff --git a/include/deal.II/lac/trilinos_tpetra_vector.h b/include/deal.II/lac/trilinos_tpetra_vector.h
index 847c68869b..50a037292f 100644
--- a/include/deal.II/lac/trilinos_tpetra_vector.h
+++ b/include/deal.II/lac/trilinos_tpetra_vector.h
@@ -718,7 +718,7 @@ namespace LinearAlgebra
       /**
        * Return the mpi communicator
        */
-      const MPI_Comm
+      MPI_Comm
       mpi_comm() const;
 
       /** @} */
diff --git a/include/deal.II/lac/trilinos_tpetra_vector.templates.h b/include/deal.II/lac/trilinos_tpetra_vector.templates.h
index 1546012d51..6efa82c6ed 100644
--- a/include/deal.II/lac/trilinos_tpetra_vector.templates.h
+++ b/include/deal.II/lac/trilinos_tpetra_vector.templates.h
@@ -291,8 +291,8 @@ namespace LinearAlgebra
     Vector<Number>::import_elements(
       const ReadWriteVector<Number> &V,
       VectorOperation::values        operation,
-      const std::shared_ptr<const Utilities::MPI::CommunicationPatternBase>
-        &communication_pattern)
+      [[maybe_unused]] const std::shared_ptr<
+        const Utilities::MPI::CommunicationPatternBase> &communication_pattern)
     {
       import_elements(V, operation);
     }
@@ -731,7 +731,7 @@ namespace LinearAlgebra
 
 
     template <typename Number>
-    const MPI_Comm
+    MPI_Comm
     Vector<Number>::mpi_comm() const
     {
       MPI_Comm out;