From 74ba1b2691341315f4a65dbfa1a8e1eccafb135c Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 11 Oct 2016 00:29:56 +0200
Subject: Hide Dummy backend from optimized release builds

Prepare to bundle session-utils with releases.
Session-utils use libardour which needs an Engine. "Dummy" is the only
engine that always works
---
 libs/ardour/audioengine.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'libs/ardour/audioengine.cc')

diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index 2ca80e3eee..b8dcc3fce3 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -775,12 +775,24 @@ AudioEngine::backend_discover (const string& path)
 	return info;
 }
 
+static bool running_from_source_tree ()
+{
+	// dup ARDOUR_UI_UTILS::running_from_source_tree ()
+	gchar const *x = g_getenv ("ARDOUR_THEMES_PATH");
+	return x && (string (x).find ("gtk2_ardour") != string::npos);
+}
+
 vector<const AudioBackendInfo*>
 AudioEngine::available_backends() const
 {
 	vector<const AudioBackendInfo*> r;
 
 	for (BackendMap::const_iterator i = _backends.begin(); i != _backends.end(); ++i) {
+#ifdef NDEBUG
+		if (i->first == "None (Dummy)" && !running_from_source_tree ()) {
+			continue;
+		}
+#endif
 		r.push_back (i->second);
 	}
 
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