From 6b0bbcd8a940d255d0b818eb53b22ea3424c58df Mon Sep 17 00:00:00 2001
From: Nicolas Barnafi <nabw91@gmail.com>
Date: Fri, 16 Sep 2022 19:09:13 +0200
Subject: [PATCH] Fixed unused variables warning

---
 source/lac/petsc_parallel_sparse_matrix.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/lac/petsc_parallel_sparse_matrix.cc b/source/lac/petsc_parallel_sparse_matrix.cc
index b1cb645e96..7bbd637180 100644
--- a/source/lac/petsc_parallel_sparse_matrix.cc
+++ b/source/lac/petsc_parallel_sparse_matrix.cc
@@ -642,6 +642,12 @@ namespace PETScWrappers
       AssertThrow(ierr == 0, ExcPETScError(ierr));
 #  else
       {
+        // Use this to avoid unused variables warning
+        (void)local_rows;
+        (void)local_active_rows;
+        (void)local_columns;
+        (void)local_active_columns;
+        (void)sparsity_pattern;
         AssertThrow(false,
                     ExcMessage(
                       "BDDC preconditioner requires PETSc 3.10.0 or newer"));
-- 
2.39.5