From: Marc Fehling <mafehling.git@gmail.com>
Date: Thu, 5 Sep 2024 15:03:53 +0000 (+0200)
Subject: Flag variable maybe_unused.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F17663%2Fhead;p=dealii.git

Flag variable maybe_unused.
---

diff --git a/include/deal.II/lac/affine_constraints.templates.h b/include/deal.II/lac/affine_constraints.templates.h
index 1d1343fd7d..e17c8c4410 100644
--- a/include/deal.II/lac/affine_constraints.templates.h
+++ b/include/deal.II/lac/affine_constraints.templates.h
@@ -317,7 +317,7 @@ namespace internal
     (void)mpi_communicator;
 #else
 
-    const unsigned int my_rank =
+    [[maybe_unused]] const unsigned int my_rank =
       Utilities::MPI::this_mpi_process(mpi_communicator);
 
     // First define a helper function that sorts and normalizes the constraints