From 3f4021c4eae481811696d20f6b95aaf0f93062b1 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 22 Jan 2020 11:15:45 -0700
Subject: [PATCH] variable not used without debug mode

---
 libs/ardour/session_transport.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/ardour/session_transport.cc b/libs/ardour/session_transport.cc
index 6f23b67047..ac8dcff754 100644
--- a/libs/ardour/session_transport.cc
+++ b/libs/ardour/session_transport.cc
@@ -1129,7 +1129,9 @@ Session::butler_transport_work ()
 	int on_entry = g_atomic_int_get (&_butler->should_do_transport_work);
 	bool finished = true;
 	PostTransportWork ptw = post_transport_work();
+#ifndef NDEBUG
 	uint64_t before;
+#endif
 
 	DEBUG_TRACE (DEBUG::Transport, string_compose ("Butler transport work, todo = [%1] (0x%3%4%5) at %2\n", enum_2_string (ptw), (before = g_get_monotonic_time()), std::hex, ptw, std::dec));