From a6b358030645abf7f3b0639dd10339de237f5092 Mon Sep 17 00:00:00 2001
From: Daniel Arndt <arndtd@ornl.gov>
Date: Sat, 2 May 2020 12:14:02 -0400
Subject: [PATCH] Suppress warning that tbb/task.h is deprecated

---
 include/deal.II/base/thread_management.h | 2 ++
 source/matrix_free/task_info.cc          | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/include/deal.II/base/thread_management.h b/include/deal.II/base/thread_management.h
index 73d40394db..f3a1a60667 100644
--- a/include/deal.II/base/thread_management.h
+++ b/include/deal.II/base/thread_management.h
@@ -39,7 +39,9 @@ DEAL_II_DISABLE_EXTRA_DIAGNOSTICS
 #    ifdef DEAL_II_USE_MT_POSIX
 #      include <pthread.h>
 #    endif
+#    define TBB_SUPPRESS_DEPRECATED_MESSAGES 1
 #    include <tbb/task.h>
+#    undef TBB_SUPPRESS_DEPRECATED_MESSAGES
 #    include <tbb/tbb_stddef.h>
 #  endif
 DEAL_II_ENABLE_EXTRA_DIAGNOSTICS
diff --git a/source/matrix_free/task_info.cc b/source/matrix_free/task_info.cc
index eee6463e9a..6860e759ae 100644
--- a/source/matrix_free/task_info.cc
+++ b/source/matrix_free/task_info.cc
@@ -27,7 +27,9 @@
 #ifdef DEAL_II_WITH_THREADS
 #  include <tbb/blocked_range.h>
 #  include <tbb/parallel_for.h>
+#  define TBB_SUPPRESS_DEPRECATED_MESSAGES 1
 #  include <tbb/task.h>
+#  undef TBB_SUPPRESS_DEPRECATED_MESSAGES
 #  include <tbb/task_scheduler_init.h>
 #endif
 
-- 
2.39.5