From 65516b09d8586f33afe45775fe91e906cf9a47b3 Mon Sep 17 00:00:00 2001
From: Stefano Zampini <stefano.zampini@gmail.com>
Date: Sun, 22 Jan 2023 15:53:33 +0300
Subject: [PATCH] =?utf8?q?Fix=20warning:=20unused=20parameter=20=E2=80=98m?=
 =?utf8?q?atrix=5F=E2=80=99=20[-Wunused-parameter]?=
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

---
 source/lac/petsc_precondition.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/lac/petsc_precondition.cc b/source/lac/petsc_precondition.cc
index 873c0139c1..cc2ed27fe5 100644
--- a/source/lac/petsc_precondition.cc
+++ b/source/lac/petsc_precondition.cc
@@ -816,7 +816,7 @@ namespace PETScWrappers
     AssertThrow(ierr == 0, ExcPETScError(ierr));
 
 #  else // DEAL_II_PETSC_WITH_HYPRE
-    (void)pc;
+    (void)matrix_;
     Assert(false,
            ExcMessage("Your PETSc installation does not include a copy of "
                       "the hypre package necessary for this preconditioner."));
-- 
2.39.5