4 files changed, 12 insertions, 9 deletions
diff --git a/src/libs/engine/AlsaMidiDriver.cpp b/src/libs/engine/AlsaMidiDriver.cpp
index e516f1ac..78d032be 100644
--- a/src/libs/engine/AlsaMidiDriver.cpp
+++ b/src/libs/engine/AlsaMidiDriver.cpp
@@ -288,7 +288,7 @@ AlsaMidiDriver::deactivate()
 }
 
 
-/** Build flat arrays of events for DSSI plugins for each Port.
+/** Build flat arrays of events to be used as input for the given cycle.
  */
 void
 AlsaMidiDriver::prepare_block(const SampleCount block_start, const SampleCount block_end)
diff --git a/src/libs/engine/JackMidiDriver.cpp b/src/libs/engine/JackMidiDriver.cpp
index c2a5ca4a..9310d1a6 100644
--- a/src/libs/engine/JackMidiDriver.cpp
+++ b/src/libs/engine/JackMidiDriver.cpp
@@ -155,7 +155,7 @@ JackMidiDriver::deactivate()
 }
 
 
-/** Build flat arrays of events for DSSI plugins for each Port.
+/** Build flat arrays of events to be used as input for the given cycle.
  */
 void
 JackMidiDriver::prepare_block(const SampleCount block_start, const SampleCount block_end)
diff --git a/src/libs/engine/NodeFactory.cpp b/src/libs/engine/NodeFactory.cpp
index 33b1842d..ca762678 100644
--- a/src/libs/engine/NodeFactory.cpp
+++ b/src/libs/engine/NodeFactory.cpp
@@ -114,13 +114,13 @@ NodeFactory::load_plugins()
 		_plugins.clear();
 		_plugins = _internal_plugins;
 	
-#if HAVE_SLV2
+#ifdef HAVE_SLV2
 		load_lv2_plugins();
 #endif
-#if HAVE_DSSI
+#ifdef HAVE_DSSI
 		load_dssi_plugins();
 #endif
-#if HAVE_LADSPA
+#ifdef HAVE_LADSPA
 		load_ladspa_plugins();
 #endif
 		
@@ -182,17 +182,17 @@ NodeFactory::load_plugin(const Plugin* a_plugin,
 	}
 
 	switch (a_plugin->type()) {
-#if HAVE_SLV2
+#ifdef HAVE_SLV2
 	case Plugin::LV2:
 		r = load_lv2_plugin(plugin->uri(), name, poly, parent, srate, buffer_size);
 		break;
 #endif
-#if HAVE_DSSI
+#ifdef HAVE_DSSI
 	case Plugin::DSSI:
 		r = load_dssi_plugin(plugin->uri(), name, poly, parent, srate, buffer_size);
 		break;
 #endif
-#if HAVE_LADSPA
+#ifdef HAVE_LADSPA
 	case Plugin::LADSPA:
 		r = load_ladspa_plugin(plugin->uri(), name, poly, parent, srate, buffer_size);
 		break;
@@ -318,7 +318,7 @@ NodeFactory::load_lv2_plugin(const string& plug_uri,
 #endif // HAVE_SLV2
 
 
-#if HAVE_DSSI
+#ifdef HAVE_DSSI
 
 /** Loads information about all DSSI plugins into internal plugin database.
  */
diff --git a/src/libs/engine/QueuedEngineInterface.cpp b/src/libs/engine/QueuedEngineInterface.cpp
index ce56e569..f8fc4827 100644
--- a/src/libs/engine/QueuedEngineInterface.cpp
+++ b/src/libs/engine/QueuedEngineInterface.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "QueuedEngineInterface.h"
+#include "config.h"
 #include "QueuedEventSource.h"
 #include "events.h"
 #include "util/Queue.h"
@@ -258,7 +259,9 @@ QueuedEngineInterface::set_program(const string& node_path,
                                    uint32_t      bank,
                                    uint32_t      program)
 {
+#ifdef HAVE_DSSI
 	push_queued(new DSSIProgramEvent(*_engine.get(), _responder, now(), node_path, bank, program));
+#endif
 }