From 4599b07217567d588fc4ba507e1e52651a0f790a Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 21 Jun 2022 18:44:33 -0600
Subject: [PATCH] fix optimized unused variable warning

---
 libs/waveview/wave_view_private.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libs/waveview/wave_view_private.cc b/libs/waveview/wave_view_private.cc
index bc8f64b0aa..88e7470a4f 100644
--- a/libs/waveview/wave_view_private.cc
+++ b/libs/waveview/wave_view_private.cc
@@ -207,7 +207,10 @@ WaveViewCache::get_cache_group (boost::shared_ptr<ARDOUR::AudioSource> source)
 
 	boost::shared_ptr<WaveViewCacheGroup> new_group (new WaveViewCacheGroup (*this));
 
-	bool inserted = cache_group_map.insert (std::make_pair (source, new_group)).second;
+#ifndef NDEBUG
+	bool inserted =
+#endif
+		cache_group_map.insert (std::make_pair (source, new_group)).second;
 
 	assert (inserted);