Fix some unused parameter warnings.

git-svn-id: svn://localhost/ardour2/branches/3.0@5403 d708f5d6-7413-0410-9779-e7cbd77b26cf

84 files changed, 280 insertions, 232 deletions

diff --git a/gtk2_ardour/add_route_dialog.cc b/gtk2_ardour/add_route_dialog.cc
index 02ec359ec2..280918aefc 100644
--- a/gtk2_ardour/add_route_dialog.cc
+++ b/gtk2_ardour/add_route_dialog.cc
@@ -405,7 +405,7 @@ AddRouteDialog::group_changed ()
 }
 
 bool
-AddRouteDialog::channel_separator (const Glib::RefPtr<Gtk::TreeModel> &m, const Gtk::TreeModel::iterator &i)
+AddRouteDialog::channel_separator (const Glib::RefPtr<Gtk::TreeModel> &, const Gtk::TreeModel::iterator &i)
 {
 	channel_combo.set_active (i);
 
@@ -413,7 +413,7 @@ AddRouteDialog::channel_separator (const Glib::RefPtr<Gtk::TreeModel> &m, const
 }
 
 bool
-AddRouteDialog::route_separator (const Glib::RefPtr<Gtk::TreeModel> &m, const Gtk::TreeModel::iterator &i)
+AddRouteDialog::route_separator (const Glib::RefPtr<Gtk::TreeModel> &, const Gtk::TreeModel::iterator &i)
 {
 	route_group_combo.set_active (i);
 
diff --git a/gtk2_ardour/analysis_window.cc b/gtk2_ardour/analysis_window.cc
index ed2b90b34f..9b34ae4a4f 100644
--- a/gtk2_ardour/analysis_window.cc
+++ b/gtk2_ardour/analysis_window.cc
@@ -198,7 +198,7 @@ AnalysisWindow::set_regionmode()
 }
 
 void 
-AnalysisWindow::track_list_row_changed(const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter)
+AnalysisWindow::track_list_row_changed(const Gtk::TreeModel::Path& /*path*/, const Gtk::TreeModel::iterator& /*iter*/)
 {
 	if (track_list_ready) {
 		fft_graph.redraw();
@@ -235,7 +235,7 @@ AnalysisWindow::analyze()
 }
 
 void
-AnalysisWindow::analyze_data (Gtk::Button *button)
+AnalysisWindow::analyze_data (Gtk::Button */*button*/)
 {
 	track_list_ready = false;
 	{
diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index 2a2b3cc10b..de1273a719 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -440,7 +440,7 @@ ARDOUR_UI::configure_timeout ()
 }
 
 gboolean
-ARDOUR_UI::configure_handler (GdkEventConfigure* conf)
+ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 {
 	if (have_configure_timeout) {
 		last_configure_time = get_microseconds();
@@ -995,7 +995,7 @@ ARDOUR_UI::update_wall_clock ()
 }
 
 gint
-ARDOUR_UI::session_menu (GdkEventButton *ev)
+ARDOUR_UI::session_menu (GdkEventButton */*ev*/)
 {
 	session_popup_menu->popup (0, 0);
 	return TRUE;
@@ -1114,7 +1114,7 @@ ARDOUR_UI::build_session_selector ()
 }
 
 void
-ARDOUR_UI::recent_session_row_activated (const TreePath& path, TreeViewColumn* col)
+ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
 {
 	session_selector_window->response (RESPONSE_ACCEPT);
 }
@@ -2210,7 +2210,7 @@ ARDOUR_UI::end_loading_messages ()
 }
 
 void
-ARDOUR_UI::loading_message (const std::string& msg)
+ARDOUR_UI::loading_message (const std::string& /*msg*/)
 {
 	// show_splash ();
 	// splash->message (msg);
@@ -2527,7 +2527,7 @@ ARDOUR_UI::hide_about ()
 }
 
 void
-ARDOUR_UI::about_signal_response(int response)
+ARDOUR_UI::about_signal_response (int /*response*/)
 {
 	hide_about();
 }
@@ -3033,7 +3033,7 @@ quickly enough to keep up with playback.\n"));
 }
 
 void
-ARDOUR_UI::disk_speed_dialog_gone (int ignored_response, MessageDialog* msg)
+ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
 {
 	have_disk_speed_dialog_displayed = false;
 	delete msg;
diff --git a/gtk2_ardour/ardour_ui_dependents.cc b/gtk2_ardour/ardour_ui_dependents.cc
index 2d4f390272..ac7c8cfdde 100644
--- a/gtk2_ardour/ardour_ui_dependents.cc
+++ b/gtk2_ardour/ardour_ui_dependents.cc
@@ -123,7 +123,7 @@ ARDOUR_UI::toggle_editor_mixer_on_top ()
 }
 
 gint
-ARDOUR_UI::exit_on_main_window_close (GdkEventAny *ev)
+ARDOUR_UI::exit_on_main_window_close (GdkEventAny * /*ev*/)
 {
 #ifdef TOP_MENUBAR
 	/* just hide the window, and return - the top menu stays up */
diff --git a/gtk2_ardour/ardour_ui_dialogs.cc b/gtk2_ardour/ardour_ui_dialogs.cc
index 6cbaeb58f0..91ff10d473 100644
--- a/gtk2_ardour/ardour_ui_dialogs.cc
+++ b/gtk2_ardour/ardour_ui_dialogs.cc
@@ -393,7 +393,7 @@ ARDOUR_UI::toggle_route_params_window ()
 }
 
 void
-ARDOUR_UI::handle_locations_change (Location* ignored)
+ARDOUR_UI::handle_locations_change (Location *)
 {
 	if (session) {
 		if (session->locations()->num_range_markers()) {
diff --git a/gtk2_ardour/audio_clock.cc b/gtk2_ardour/audio_clock.cc
index 28110c685f..e79ba1906e 100644
--- a/gtk2_ardour/audio_clock.cc
+++ b/gtk2_ardour/audio_clock.cc
@@ -395,7 +395,7 @@ AudioClock::setup_events ()
 }
 
 bool
-AudioClock::drop_focus_handler (GdkEventFocus* ignored)
+AudioClock::drop_focus_handler (GdkEventFocus*)
 {
 	Keyboard::magic_widget_drop_focus ();
 	return false;
@@ -490,7 +490,7 @@ AudioClock::smpte_offset_changed ()
 }
 
 void
-AudioClock::set_frames (nframes_t when, bool force)
+AudioClock::set_frames (nframes_t when, bool /*force*/)
 {
 	char buf[32];
 	snprintf (buf, sizeof (buf), "%u", when);
@@ -735,7 +735,7 @@ AudioClock::focus ()
 
 
 bool
-AudioClock::field_key_press_event (GdkEventKey *ev, Field field)
+AudioClock::field_key_press_event (GdkEventKey */*ev*/, Field /*field*/)
 {
 	/* all key activity is handled on key release */
 	return true;
@@ -987,7 +987,7 @@ AudioClock::field_key_release_event (GdkEventKey *ev, Field field)
 }
 
 bool
-AudioClock::field_focus_in_event (GdkEventFocus *ev, Field field)
+AudioClock::field_focus_in_event (GdkEventFocus */*ev*/, Field field)
 {
 	key_entry_state = 0;
 
@@ -1046,7 +1046,7 @@ AudioClock::field_focus_in_event (GdkEventFocus *ev, Field field)
 }
 
 bool
-AudioClock::field_focus_out_event (GdkEventFocus *ev, Field field)
+AudioClock::field_focus_out_event (GdkEventFocus */*ev*/, Field field)
 {
 	switch (field) {
 
@@ -1182,9 +1182,11 @@ AudioClock::field_button_release_event (GdkEventButton *ev, Field field)
 }
 
 bool
-AudioClock::field_button_press_event (GdkEventButton *ev, Field field)
+AudioClock::field_button_press_event (GdkEventButton *ev, Field /*field*/)
 {
-	if (session == 0) return false;
+	if (session == 0) {
+		return false;
+	}
 
 	nframes_t frames = 0;
 
diff --git a/gtk2_ardour/audio_region_editor.cc b/gtk2_ardour/audio_region_editor.cc
index c746cbe6a9..73a9f92f1b 100644
--- a/gtk2_ardour/audio_region_editor.cc
+++ b/gtk2_ardour/audio_region_editor.cc
@@ -172,7 +172,7 @@ AudioRegionEditor::region_changed (Change what_changed)
 }
 
 gint 
-AudioRegionEditor::bpressed (GdkEventButton* ev, Gtk::SpinButton* but, void (AudioRegionEditor::*pmf)())
+AudioRegionEditor::bpressed (GdkEventButton* ev, Gtk::SpinButton* /*but*/, void (AudioRegionEditor::*/*pmf*/)())
 {
 	switch (ev->button) {
 	case 1:
@@ -195,7 +195,7 @@ AudioRegionEditor::bpressed (GdkEventButton* ev, Gtk::SpinButton* but, void (Aud
 }
 
 gint 
-AudioRegionEditor::breleased (GdkEventButton* ev, Gtk::SpinButton* but, void (AudioRegionEditor::*pmf)())
+AudioRegionEditor::breleased (GdkEventButton* /*ev*/, Gtk::SpinButton* /*but*/, void (AudioRegionEditor::*pmf)())
 {
 	if (spin_arrow_grab) {
 		(this->*pmf)();
diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc
index ca3c8b3ba1..f5dd4da3d1 100644
--- a/gtk2_ardour/audio_region_view.cc
+++ b/gtk2_ardour/audio_region_view.cc
@@ -881,7 +881,7 @@ AudioRegionView::create_waves ()
 }
 
 void
-AudioRegionView::create_one_wave (uint32_t which, bool direct)
+AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
 {
 	//cerr << "AudioRegionView::create_one_wave() called which: " << which << " this: " << this << endl;//DEBUG
 	RouteTimeAxisView& atv (*(dynamic_cast<RouteTimeAxisView*>(&trackview))); // ick
@@ -1030,7 +1030,7 @@ AudioRegionView::add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
 }
 
 void
-AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *ev)
+AudioRegionView::remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent */*ev*/)
 {
 	ControlPoint *cp = reinterpret_cast<ControlPoint *> (item->get_data ("control_point"));
 	audio_region()->envelope()->erase (cp->model());
diff --git a/gtk2_ardour/automation_line.cc b/gtk2_ardour/automation_line.cc
index 5654ac2296..c404da9ac7 100644
--- a/gtk2_ardour/automation_line.cc
+++ b/gtk2_ardour/automation_line.cc
@@ -1037,7 +1037,7 @@ AutomationLine::get_selectables (nframes_t& start, nframes_t& end,
 }
 
 void
-AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& results)
+AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& /*results*/)
 {
 	// hmmm ....
 }
@@ -1198,7 +1198,7 @@ AutomationLine::clear ()
 }
 
 void
-AutomationLine::change_model (AutomationList::iterator i, double x, double y)
+AutomationLine::change_model (AutomationList::iterator /*i*/, double /*x*/, double /*y*/)
 {
 }
 
diff --git a/gtk2_ardour/automation_region_view.cc b/gtk2_ardour/automation_region_view.cc
index 80dbd669ca..5ad736d535 100644
--- a/gtk2_ardour/automation_region_view.cc
+++ b/gtk2_ardour/automation_region_view.cc
@@ -46,7 +46,7 @@ AutomationRegionView::AutomationRegionView(ArdourCanvas::Group*
 }
 
 void
-AutomationRegionView::init (Gdk::Color const & basic_color, bool wfd)
+AutomationRegionView::init (Gdk::Color const & basic_color, bool /*wfd*/)
 {
 	_enable_display = false;
 	
@@ -92,7 +92,7 @@ AutomationRegionView::canvas_event(GdkEvent* ev)
 }
 
 void
-AutomationRegionView::add_automation_event (GdkEvent* event, nframes_t when, double y)
+AutomationRegionView::add_automation_event (GdkEvent* /*event*/, nframes_t when, double y)
 {
 	if (!_line) {
 		boost::shared_ptr<Evoral::Control> c = _region->control(_parameter, true);
diff --git a/gtk2_ardour/automation_streamview.cc b/gtk2_ardour/automation_streamview.cc
index 1654e7e5a9..bed1bac502 100644
--- a/gtk2_ardour/automation_streamview.cc
+++ b/gtk2_ardour/automation_streamview.cc
@@ -70,7 +70,7 @@ AutomationStreamView::~AutomationStreamView ()
 
 
 RegionView*
-AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool recording)
+AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool /*recording*/)
 {
 	if ( ! region) {
 		cerr << "No region" << endl;
@@ -182,7 +182,7 @@ AutomationStreamView::setup_rec_box ()
 }
 
 void
-AutomationStreamView::update_rec_regions (nframes_t start, nframes_t dur)
+AutomationStreamView::update_rec_regions (nframes_t /*start*/, nframes_t /*dur*/)
 {
 }
 
diff --git a/gtk2_ardour/automation_time_axis.cc b/gtk2_ardour/automation_time_axis.cc
index cdd624003f..806359e2ab 100644
--- a/gtk2_ardour/automation_time_axis.cc
+++ b/gtk2_ardour/automation_time_axis.cc
@@ -564,7 +564,7 @@ AutomationTimeAxisView::build_display_menu ()
 }
 
 void
-AutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* item, GdkEvent* event, nframes_t when, double y)
+AutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* /*item*/, GdkEvent* /*event*/, nframes_t when, double y)
 {
 	if (!_line)
 		return;
diff --git a/gtk2_ardour/automation_time_axis.h b/gtk2_ardour/automation_time_axis.h
index b323d1d3bf..7390ee3d4f 100644
--- a/gtk2_ardour/automation_time_axis.h
+++ b/gtk2_ardour/automation_time_axis.h
@@ -80,7 +80,7 @@ class AutomationTimeAxisView : public TimeAxisView {
 	void get_selectables (nframes_t start, nframes_t end, double top, double bot, std::list<Selectable *>&);
 	void get_inverted_selectables (Selection&, std::list<Selectable*>& results);
 
-	void show_timestretch (nframes_t start, nframes_t end) {}
+	void show_timestretch (nframes_t /*start*/, nframes_t /*end*/) {}
 	void hide_timestretch () {}
 
 	/* editing operations */
diff --git a/gtk2_ardour/bundle_manager.cc b/gtk2_ardour/bundle_manager.cc
index 52415de4ee..ed4a570bb1 100644
--- a/gtk2_ardour/bundle_manager.cc
+++ b/gtk2_ardour/bundle_manager.cc
@@ -161,7 +161,7 @@ BundleEditorMatrix::list_is_global (int dim) const
 	return (dim == OTHER);
 }
 
-BundleEditor::BundleEditor (Session& session, boost::shared_ptr<UserBundle> bundle, bool add)
+BundleEditor::BundleEditor (Session& session, boost::shared_ptr<UserBundle> bundle, bool /*add*/)
 	: ArdourDialog (_("Edit Bundle")), _matrix (session, bundle), _bundle (bundle)
 {
 	Gtk::Table* t = new Gtk::Table (3, 2);
diff --git a/gtk2_ardour/canvas-flag.cc b/gtk2_ardour/canvas-flag.cc
index 41a2fbe8e4..813c0b1468 100644
--- a/gtk2_ardour/canvas-flag.cc
+++ b/gtk2_ardour/canvas-flag.cc
@@ -45,7 +45,7 @@ CanvasFlag::~CanvasFlag()
 }
 
 bool
-CanvasFlag::on_event(GdkEvent* ev)
+CanvasFlag::on_event(GdkEvent* /*ev*/)
 {
 	return false;
 }
diff --git a/gtk2_ardour/canvas-simpleline.c b/gtk2_ardour/canvas-simpleline.c
index 576eedc369..9a046230d4 100644
--- a/gtk2_ardour/canvas-simpleline.c
+++ b/gtk2_ardour/canvas-simpleline.c
@@ -245,6 +245,8 @@ gnome_canvas_simpleline_set_property (GObject      *object,
 				      GParamSpec   *pspec)
 
 {
+	(void) pspec;
+	
 	GnomeCanvasSimpleLine *simpleline;
 	int update = FALSE;
 	int bounds_changed = FALSE;
@@ -465,6 +467,9 @@ gnome_canvas_simpleline_bounds (GnomeCanvasItem *item, double *x1, double *y1, d
 static double
 gnome_canvas_simpleline_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item)
 {
+	(void) cx;
+	(void) cy;
+	
 	GnomeCanvasSimpleLine *simpleline;
 	double x1, y1, x2, y2;
 	double dx, dy;
diff --git a/gtk2_ardour/canvas-simplerect.c b/gtk2_ardour/canvas-simplerect.c
index 91649b64bb..6ad0c791f8 100644
--- a/gtk2_ardour/canvas-simplerect.c
+++ b/gtk2_ardour/canvas-simplerect.c
@@ -370,6 +370,8 @@ gnome_canvas_simplerect_set_property (GObject      *object,
 				      GParamSpec   *pspec)
 
 {
+	(void) pspec;
+	
 	GnomeCanvasSimpleRect *simplerect;
 	int update = FALSE;
 	int bounds_changed = FALSE;
@@ -825,6 +827,9 @@ gnome_canvas_simplerect_draw (GnomeCanvasItem *item,
 static double
 gnome_canvas_simplerect_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item)
 {
+	(void) cx;
+	(void) cy;
+		
 	GnomeCanvasSimpleRect *simplerect;
 	double x1, y1, x2, y2;
 	double dx, dy;
diff --git a/gtk2_ardour/canvas-waveview.c b/gtk2_ardour/canvas-waveview.c
index fdcdcd8745..aab781081d 100644
--- a/gtk2_ardour/canvas-waveview.c
+++ b/gtk2_ardour/canvas-waveview.c
@@ -738,6 +738,8 @@ gnome_canvas_waveview_set_property (GObject      *object,
 				    GParamSpec   *pspec)
 
 {
+	(void) pspec;
+	
 	GnomeCanvasItem *item;
 	GnomeCanvasWaveView *waveview;
 	int redraw = FALSE;
@@ -1861,6 +1863,13 @@ gnome_canvas_waveview_bounds (GnomeCanvasItem *item, double *x1, double *y1, dou
 static double
 gnome_canvas_waveview_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item)
 {
+	(void) item;
+	(void) x;
+	(void) y;
+	(void) cx;
+	(void) cy;
+	(void) actual_item;
+	
 	/* XXX for now, point is never inside the wave 
 	GnomeCanvasWaveView *waveview;
 	double x1, y1, x2, y2;
diff --git a/gtk2_ardour/control_point.cc b/gtk2_ardour/control_point.cc
index b43826720c..5893c29e28 100644
--- a/gtk2_ardour/control_point.cc
+++ b/gtk2_ardour/control_point.cc
@@ -56,7 +56,7 @@ ControlPoint::ControlPoint (AutomationLine& al)
 	set_visible (false);
 }
 
-ControlPoint::ControlPoint (const ControlPoint& other, bool dummy_arg_to_force_special_copy_constructor)
+ControlPoint::ControlPoint (const ControlPoint& other, bool /*dummy_arg_to_force_special_copy_constructor*/)
 	: _line (other._line)
 {
 	if (&other == this) {
diff --git a/gtk2_ardour/crossfade_edit.cc b/gtk2_ardour/crossfade_edit.cc
index e239ad9fdf..19723b6241 100644
--- a/gtk2_ardour/crossfade_edit.cc
+++ b/gtk2_ardour/crossfade_edit.cc
@@ -510,7 +510,7 @@ CrossfadeEditor::Point::move_to (double nx, double ny, double xfract, double yfr
 }
 
 void
-CrossfadeEditor::canvas_allocation (Gtk::Allocation& alloc)
+CrossfadeEditor::canvas_allocation (Gtk::Allocation& /*alloc*/)
 {
 	if (toplevel) {
 		toplevel->property_x1() = 0.0;
@@ -622,7 +622,7 @@ CrossfadeEditor::canvas_allocation (Gtk::Allocation& alloc)
 
 
 void
-CrossfadeEditor::xfade_changed (Change ignored)
+CrossfadeEditor::xfade_changed (Change)
 {
 	set (xfade->fade_in(), In);
 	set (xfade->fade_out(), Out);
@@ -1355,7 +1355,7 @@ CrossfadeEditor::audition_left_dry_toggled ()
 }
 
 bool
-CrossfadeEditor::on_key_press_event (GdkEventKey *ev)
+CrossfadeEditor::on_key_press_event (GdkEventKey */*ev*/)
 {
 	return true;
 }
diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index fda0ebeacf..8a23208cf6 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -911,7 +911,7 @@ Editor::control_scroll (float fraction)
 }
 
 bool
-Editor::deferred_control_scroll (nframes64_t target)
+Editor::deferred_control_scroll (nframes64_t /*target*/)
 {
 	session->request_locate (*_control_scroll_target, session->transport_rolling());
 	// reset for next stream
@@ -1468,7 +1468,7 @@ Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type,
 }
 
 Menu*
-Editor::build_track_context_menu (nframes64_t ignored)
+Editor::build_track_context_menu (nframes64_t)
 {
 	using namespace Menu_Helpers;
 
@@ -1480,7 +1480,7 @@ Editor::build_track_context_menu (nframes64_t ignored)
 }
 
 Menu*
-Editor::build_track_bus_context_menu (nframes64_t ignored)
+Editor::build_track_bus_context_menu (nframes64_t)
 {
 	using namespace Menu_Helpers;
 
@@ -1612,7 +1612,7 @@ Editor::analyze_range_selection()
 }
 
 Menu*
-Editor::build_track_selection_context_menu (nframes64_t ignored)
+Editor::build_track_selection_context_menu (nframes64_t)
 {
 	using namespace Menu_Helpers;
 	MenuList& edit_items  = track_selection_context_menu.items();
@@ -1629,7 +1629,7 @@ Editor::build_track_selection_context_menu (nframes64_t ignored)
  * @param edit_items List to add the items to.
  */
 void
-Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
+Editor::add_crossfade_context_items (AudioStreamView* /*view*/, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
 {
 	using namespace Menu_Helpers;
 	Menu     *xfade_menu = manage (new Menu);
@@ -3132,12 +3132,12 @@ Editor::setup_midi_toolbar ()
 int
 Editor::convert_drop_to_paths (
 		vector<ustring>&                paths, 
-		const RefPtr<Gdk::DragContext>& context,
-		gint                            x,
-		gint                            y,
+		const RefPtr<Gdk::DragContext>& /*context*/,
+		gint                            /*x*/,
+		gint                            /*y*/,
 		const SelectionData&            data,
-		guint                           info,
-		guint                           time)
+		guint                           /*info*/,
+		guint                           /*time*/)
 {	
 	if (session == 0) {
 		return -1;
@@ -3806,7 +3806,7 @@ Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
 }
 
 void
-Editor::detach_tearoff (Box* b, Window* w)
+Editor::detach_tearoff (Box* /*b*/, Window* /*w*/)
 {
 	if (tools_tearoff->torn_off() && 
 	    mouse_mode_tearoff->torn_off()) {
@@ -3815,7 +3815,7 @@ Editor::detach_tearoff (Box* b, Window* w)
 }
 
 void
-Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
+Editor::reattach_tearoff (Box* /*b*/, Window* /*w*/, int32_t /*n*/)
 {
 	if (toolbar_frame.get_parent() == 0) {
 		top_hbox.pack_end (toolbar_frame);
@@ -4143,7 +4143,7 @@ Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz, vector<bo
 }
 
 void 
-Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t sz)
+Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t /*sz*/)
 {
 	atv.clear_playlist ();
 }
@@ -4983,7 +4983,7 @@ Editor::remove_route (TimeAxisView *tv)
 }
 
 void
-Editor::hide_track_in_display (TimeAxisView& tv, bool temponly)
+Editor::hide_track_in_display (TimeAxisView& tv, bool /*temponly*/)
 {
 	RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&tv);
 
diff --git a/gtk2_ardour/editor_audio_import.cc b/gtk2_ardour/editor_audio_import.cc
index 7762a42322..884e890fbc 100644
--- a/gtk2_ardour/editor_audio_import.cc
+++ b/gtk2_ardour/editor_audio_import.cc
@@ -712,7 +712,7 @@ Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 
 int
 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode, 
-		     int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool add_channel_suffix)
+		     int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 {
 	vector<boost::shared_ptr<Region> > regions;
 	ustring region_name;
@@ -903,7 +903,7 @@ Editor::import_thread ()
 }
 
 gint
-Editor::import_progress_timeout (void *arg)
+Editor::import_progress_timeout (void */*arg*/)
 {
 	bool reset = false;
 
diff --git a/gtk2_ardour/editor_canvas.cc b/gtk2_ardour/editor_canvas.cc
index 498a6cc0fd..d340da71f9 100644
--- a/gtk2_ardour/editor_canvas.cc
+++ b/gtk2_ardour/editor_canvas.cc
@@ -430,7 +430,7 @@ Editor::controls_layout_size_request (Requisition* req)
 }
 
 bool
-Editor::track_canvas_map_handler (GdkEventAny* ev)
+Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
 {
 	track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 	return false;
@@ -534,10 +534,10 @@ Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
 }
 
 void
-Editor::drop_regions (const RefPtr<Gdk::DragContext>& context,
-		      int x, int y, 
-		      const SelectionData& data,
-		      guint info, guint time)
+Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
+		      int /*x*/, int /*y*/, 
+		      const SelectionData& /*data*/,
+		      guint /*info*/, guint /*time*/)
 {
 	assert (_drag);
 	_drag->end_grab (0);
@@ -754,7 +754,7 @@ Editor::stop_canvas_autoscroll ()
 }
 
 bool
-Editor::left_track_canvas (GdkEventCrossing *ev)
+Editor::left_track_canvas (GdkEventCrossing */*ev*/)
 {
 	set_entered_track (0);
 	set_entered_regionview (0);
@@ -763,7 +763,7 @@ Editor::left_track_canvas (GdkEventCrossing *ev)
 }
 
 bool
-Editor::entered_track_canvas (GdkEventCrossing *ev)
+Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
 {
 	reset_canvas_action_sensitivity (true);
 	return FALSE;
diff --git a/gtk2_ardour/editor_canvas_events.cc b/gtk2_ardour/editor_canvas_events.cc
index 4a22c2bda7..d965c82c08 100644
--- a/gtk2_ardour/editor_canvas_events.cc
+++ b/gtk2_ardour/editor_canvas_events.cc
@@ -184,7 +184,7 @@ Editor::track_canvas_scroll_event (GdkEventScroll *event)
 }
 
 bool
-Editor::track_canvas_button_press_event (GdkEventButton *event)
+Editor::track_canvas_button_press_event (GdkEventButton */*event*/)
 {
 	selection->clear ();
 	track_canvas->grab_focus();
@@ -203,7 +203,7 @@ Editor::track_canvas_button_release_event (GdkEventButton *event)
 }
 
 bool
-Editor::track_canvas_motion_notify_event (GdkEventMotion *event)
+Editor::track_canvas_motion_notify_event (GdkEventMotion */*event*/)
 {
 	int x, y;
 	/* keep those motion events coming */
@@ -835,7 +835,7 @@ Editor::canvas_region_view_name_event (GdkEvent *event, ArdourCanvas::Item* item
 }
 
 bool
-Editor::canvas_marker_event (GdkEvent *event, ArdourCanvas::Item* item, Marker* marker)
+Editor::canvas_marker_event (GdkEvent *event, ArdourCanvas::Item* item, Marker* /*marker*/)
 {
 	return typed_event (item, event, MarkerItem);
 }
@@ -865,13 +865,13 @@ Editor::canvas_cd_marker_bar_event (GdkEvent *event, ArdourCanvas::Item* item)
 }
 
 bool
-Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* marker)
+Editor::canvas_tempo_marker_event (GdkEvent *event, ArdourCanvas::Item* item, TempoMarker* /*marker*/)
 {
 	return typed_event (item, event, TempoMarkerItem);
 }
 
 bool
-Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* marker)
+Editor::canvas_meter_marker_event (GdkEvent *event, ArdourCanvas::Item* item, MeterMarker* /*marker*/)
 {
 	return typed_event (item, event, MeterMarkerItem);
 }
@@ -901,7 +901,7 @@ Editor::canvas_zoom_rect_event (GdkEvent *event, ArdourCanvas::Item* item)
 }
 
 bool
-Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const & c, int x, int y, guint time)
+Editor::track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const & /*c*/, int x, int y, guint /*time*/)
 {
 	double wx;
 	double wy;
diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index b9906eda5b..d42c3f1d61 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -720,7 +720,7 @@ RegionMoveDrag::motion (GdkEvent* event, bool first_move)
 }
 
 void
-RegionMoveDrag::finished (GdkEvent* event, bool movement_occurred)
+RegionMoveDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
 {
 	bool nocommit = true;
 	vector<RegionView*> copies;
@@ -1243,7 +1243,7 @@ RegionMotionDrag::find_time_axis_views ()
 
 
 void
-RegionInsertDrag::finished (GdkEvent* event, bool movement_occurred)
+RegionInsertDrag::finished (GdkEvent* /*event*/, bool /*movement_occurred*/)
 {
 	_editor->update_canvas_now ();
 
@@ -1280,7 +1280,7 @@ struct RegionSelectionByPosition {
 };
 
 void
-RegionSpliceDrag::motion (GdkEvent* event, bool)
+RegionSpliceDrag::motion (GdkEvent* /*event*/, bool)
 {
 	RouteTimeAxisView* tv;
 	layer_t layer;
@@ -1338,7 +1338,7 @@ RegionSpliceDrag::motion (GdkEvent* event, bool)
 }
 
 void
-RegionSpliceDrag::finished (GdkEvent* event, bool)
+RegionSpliceDrag::finished (GdkEvent* /*event*/, bool)
 {
 	
 }
@@ -1361,7 +1361,7 @@ RegionCreateDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
 
 
 void
-RegionCreateDrag::motion (GdkEvent* event, bool first_move)
+RegionCreateDrag::motion (GdkEvent* /*event*/, bool first_move)
 {
 	if (first_move) {
 		// TODO: create region-create-drag region view here
@@ -1415,7 +1415,7 @@ RegionCreateDrag::finished (GdkEvent* event, bool movement_occurred)
 
 
 void
-RegionGainDrag::motion (GdkEvent* event, bool)
+RegionGainDrag::motion (GdkEvent* /*event*/, bool)
 {
 	
 }
@@ -2434,7 +2434,7 @@ ControlPointDrag::ControlPointDrag (Editor* e, ArdourCanvas::Item* i)
 
 
 void
-ControlPointDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
+ControlPointDrag::start_grab (GdkEvent* event, Gdk::Cursor* /*cursor*/)
 {
 	Drag::start_grab (event, _editor->fader_cursor);
 
@@ -2552,7 +2552,7 @@ LineDrag::LineDrag (Editor* e, ArdourCanvas::Item* i)
 
 }
 void
-LineDrag::start_grab (GdkEvent* event, Gdk::Cursor* cursor)
+LineDrag::start_grab (GdkEvent* event, Gdk::Cursor* /*cursor*/)
 {
 	_line = reinterpret_cast<AutomationLine*> (_item->get_data ("line"));
 	assert (_line);
@@ -2771,7 +2771,7 @@ TimeFXDrag::motion (GdkEvent* event, bool)
 }
 
 void
-TimeFXDrag::finished (GdkEvent* event, bool movement_occurred)
+TimeFXDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
 {
 	_primary->get_time_axis_view().hide_timestretch ();
 
@@ -2814,13 +2814,13 @@ ScrubDrag::start_grab (GdkEvent* event, Gdk::Cursor *)
 }
 
 void
-ScrubDrag::motion (GdkEvent* event, bool)
+ScrubDrag::motion (GdkEvent* /*event*/, bool)
 {
 	_editor->scrub ();
 }
 
 void
-ScrubDrag::finished (GdkEvent* event, bool movement_occurred)
+ScrubDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
 {
 	if (movement_occurred && _editor->session) {
 		/* make sure we stop */
diff --git a/gtk2_ardour/editor_hscroller.cc b/gtk2_ardour/editor_hscroller.cc
index b5f265daa5..f97b4610b6 100644
--- a/gtk2_ardour/editor_hscroller.cc
+++ b/gtk2_ardour/editor_hscroller.cc
@@ -26,19 +26,19 @@ using namespace ARDOUR;
 using namespace PBD;
 
 void
-Editor::hscrollbar_allocate (Gtk::Allocation &alloc)
+Editor::hscrollbar_allocate (Gtk::Allocation &)
 {
 }
 
 bool
-Editor::hscrollbar_button_press (GdkEventButton *ev)
+Editor::hscrollbar_button_press (GdkEventButton *)
 {
 	_dragging_hscrollbar = true;
 	return false;
 }
 
 bool
-Editor::hscrollbar_button_release (GdkEventButton *ev)
+Editor::hscrollbar_button_release (GdkEventButton *)
 {
 	_dragging_hscrollbar = false;
 
diff --git a/gtk2_ardour/editor_keys.cc b/gtk2_ardour/editor_keys.cc
index 1826ee464d..f5ca92deb3 100644
--- a/gtk2_ardour/editor_keys.cc
+++ b/gtk2_ardour/editor_keys.cc
@@ -99,7 +99,7 @@ Editor::keyboard_insert_region_list_selection ()
 }
 
 int
-Editor::get_prefix (float& val, bool& was_floating)
+Editor::get_prefix (float& /*val*/, bool& was_floating)
 {
 	was_floating = false;
 	return 1;
diff --git a/gtk2_ardour/editor_markers.cc b/gtk2_ardour/editor_markers.cc
index 736143668a..019dd1757a 100644
--- a/gtk2_ardour/editor_markers.cc
+++ b/gtk2_ardour/editor_markers.cc
@@ -421,7 +421,7 @@ Editor::mouse_add_new_marker (nframes64_t where, bool is_cd, bool is_xrun)
 }
 
 void
-Editor::remove_marker (ArdourCanvas::Item& item, GdkEvent* event)
+Editor::remove_marker (ArdourCanvas::Item& item, GdkEvent*)
 {
 	Marker* marker;
 	bool is_start;
@@ -552,7 +552,7 @@ Editor::marker_context_menu (GdkEventButton* ev, ArdourCanvas::Item* item)
 }
 
 void
-Editor::new_transport_marker_context_menu (GdkEventButton* ev, ArdourCanvas::Item* item)
+Editor::new_transport_marker_context_menu (GdkEventButton* ev, ArdourCanvas::Item*)
 {
 	if (new_transport_marker_menu == 0) {
 		build_new_transport_marker_menu ();
@@ -563,7 +563,7 @@ Editor::new_transport_marker_context_menu (GdkEventButton* ev, ArdourCanvas::Ite
 }
 
 void
-Editor::transport_marker_context_menu (GdkEventButton* ev, ArdourCanvas::Item* item)
+Editor::transport_marker_context_menu (GdkEventButton* ev, ArdourCanvas::Item*)
 {
 	if (transport_marker_menu == 0) {
 		build_range_marker_menu (true);
diff --git a/gtk2_ardour/editor_mouse.cc b/gtk2_ardour/editor_mouse.cc
index e132d794ed..16e19bcfd6 100644
--- a/gtk2_ardour/editor_mouse.cc
+++ b/gtk2_ardour/editor_mouse.cc
@@ -508,7 +508,7 @@ Editor::set_midi_edit_mode (MidiEditMode m, bool force)
 }
 
 void
-Editor::set_midi_edit_cursor (MidiEditMode m)
+Editor::set_midi_edit_cursor (MidiEditMode)
 {
 	switch (midi_edit_mode) {
 	case MidiEditPencil:
@@ -530,7 +530,7 @@ Editor::set_midi_edit_cursor (MidiEditMode m)
 }
 
 void
-Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
+Editor::button_selection (ArdourCanvas::Item* /*item*/, GdkEvent* event, ItemType item_type)
 {
  	/* in object/audition/timefx/gain-automation mode,
 	   any button press sets the selection if the object
@@ -1450,7 +1450,7 @@ Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemT
 }
 
 bool
-Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
+Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* /*event*/, ItemType item_type)
 {
 	ControlPoint* cp;
 	Marker * marker;
@@ -1646,7 +1646,7 @@ Editor::enter_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_
 }
 
 bool
-Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
+Editor::leave_handler (ArdourCanvas::Item* item, GdkEvent* /*event*/, ItemType item_type)
 {
 	AutomationLine* al;
 	ControlPoint* cp;
@@ -1856,7 +1856,7 @@ Editor::scrub ()
 }
 
 bool
-Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, bool from_autoscroll)
+Editor::motion_handler (ArdourCanvas::Item* /*item*/, GdkEvent* event, bool from_autoscroll)
 {
 	if (event->motion.is_hint) {
 		gint x, y;
@@ -1898,7 +1898,7 @@ Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, bool from_aut
 }
 
 void
-Editor::remove_gain_control_point (ArdourCanvas::Item*item, GdkEvent* event)
+Editor::remove_gain_control_point (ArdourCanvas::Item*item, GdkEvent* /*event*/)
 {
 	ControlPoint* control_point;
 
@@ -1917,7 +1917,7 @@ Editor::remove_gain_control_point (ArdourCanvas::Item*item, GdkEvent* event)
 }
 
 void
-Editor::remove_control_point (ArdourCanvas::Item* item, GdkEvent* event)
+Editor::remove_control_point (ArdourCanvas::Item* item, GdkEvent* /*event*/)
 {
 	ControlPoint* control_point;
 
@@ -2433,7 +2433,7 @@ Editor::thaw_region_after_trim (RegionView& rv)
 }
 
 void
-Editor::hide_marker (ArdourCanvas::Item* item, GdkEvent* event)
+Editor::hide_marker (ArdourCanvas::Item* item, GdkEvent* /*event*/)
 {
 	Marker* marker;
 	bool is_start;
@@ -2463,7 +2463,7 @@ Editor::reposition_zoom_rect (nframes64_t start, nframes64_t end)
 
 
 gint
-Editor::mouse_rename_region (ArdourCanvas::Item* item, GdkEvent* event)
+Editor::mouse_rename_region (ArdourCanvas::Item* /*item*/, GdkEvent* /*event*/)
 {
 	using namespace Gtkmm2ext;
 
@@ -2601,7 +2601,7 @@ Editor::start_region_brush_grab (ArdourCanvas::Item* item, GdkEvent* event, Regi
  *  the section of the clicked region that lies within the time range.
  */
 void
-Editor::start_selection_grab (ArdourCanvas::Item* item, GdkEvent* event)
+Editor::start_selection_grab (ArdourCanvas::Item* /*item*/, GdkEvent* event)
 {
 	if (clicked_regionview == 0) {
 		return;
diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 0570a43648..1ab7d74645 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -198,7 +198,7 @@ Editor::split_regions_at (nframes64_t where, RegionSelection& regions)
 }
 
 boost::shared_ptr<Region>
-Editor::select_region_for_operation (int dir, TimeAxisView **tv)
+Editor::select_region_for_operation (int /*dir*/, TimeAxisView **tv)
 {
 	RegionView* rv;
 	boost::shared_ptr<Region> region;
@@ -1800,7 +1800,7 @@ Editor::temporal_zoom_session ()
 }
 
 void
-Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & op)
+Editor::temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & /*op*/)
 {
 	if (!session) return;
 
@@ -3684,7 +3684,7 @@ Editor::freeze_thread ()
 }
 
 gint
-Editor::freeze_progress_timeout (void *arg)
+Editor::freeze_progress_timeout (void */*arg*/)
 {
 	interthread_progress_bar.set_fraction (current_interthread_info->progress);
 	return !(current_interthread_info->done || current_interthread_info->cancel);
diff --git a/gtk2_ardour/editor_regions.cc b/gtk2_ardour/editor_regions.cc
index dadeca4b1d..2ec9e4356e 100644
--- a/gtk2_ardour/editor_regions.cc
+++ b/gtk2_ardour/editor_regions.cc
@@ -904,7 +904,7 @@ EditorRegions::show_context_menu (int button, int time)
 }
 
 bool
-EditorRegions::key_press (GdkEventKey* ev)
+EditorRegions::key_press (GdkEventKey* /*ev*/)
 {
 	return false;
 }
@@ -1145,7 +1145,7 @@ EditorRegions::drag_data_received (const RefPtr<Gdk::DragContext>& context,
 }
 
 bool
-EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool yn)
+EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool /*yn*/)
 {
 	/* not possible to select rows that do not represent regions, like "Hidden" */
 	
diff --git a/gtk2_ardour/editor_route_groups.cc b/gtk2_ardour/editor_route_groups.cc
index 690ad42eae..878a12890f 100644
--- a/gtk2_ardour/editor_route_groups.cc
+++ b/gtk2_ardour/editor_route_groups.cc
@@ -502,7 +502,7 @@ EditorRouteGroups::button_press_event (GdkEventButton* ev)
  }
 
 void 
-EditorRouteGroups::row_change (const Gtk::TreeModel::Path& path,const Gtk::TreeModel::iterator& iter)
+EditorRouteGroups::row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
 {
 	RouteGroup* group;
 
diff --git a/gtk2_ardour/editor_routes.cc b/gtk2_ardour/editor_routes.cc
index 46fd4548b3..dc869c4ad9 100644
--- a/gtk2_ardour/editor_routes.cc
+++ b/gtk2_ardour/editor_routes.cc
@@ -229,7 +229,7 @@ EditorRoutes::redisplay ()
 }
 
 void
-EditorRoutes::route_deleted (Gtk::TreeModel::Path const & path)
+EditorRoutes::route_deleted (Gtk::TreeModel::Path const &)
 {
 	/* this could require an order reset & sync */
 	_session->set_remote_control_ids();
@@ -240,7 +240,7 @@ EditorRoutes::route_deleted (Gtk::TreeModel::Path const & path)
 
 
 void
-EditorRoutes::changed (Gtk::TreeModel::Path const & path, Gtk::TreeModel::iterator const & iter)
+EditorRoutes::changed (Gtk::TreeModel::Path const &, Gtk::TreeModel::iterator const &)
 {
 	/* never reset order keys because of a property change */
 	_redisplay_does_not_reset_order_keys = true;
@@ -401,7 +401,7 @@ EditorRoutes::show_track_in_display (TimeAxisView& tv)
 }
 
 void
-EditorRoutes::reordered (TreeModel::Path const & path, TreeModel::iterator const & iter, int* what)
+EditorRoutes::reordered (TreeModel::Path const &, TreeModel::iterator const &, int* /*what*/)
 {
 	redisplay ();
 }
@@ -449,7 +449,7 @@ EditorRoutes::sync_order_keys (string const & src)
 
 
 void
-EditorRoutes::hide_all_tracks (bool with_select)
+EditorRoutes::hide_all_tracks (bool /*with_select*/)
 {
 	TreeModel::Children rows = _model->children();
 	TreeModel::Children::iterator i;
@@ -674,7 +674,7 @@ EditorRoutes::initial_display ()
 }
 
 void
-EditorRoutes::track_list_reorder (Gtk::TreeModel::Path const & path, Gtk::TreeModel::iterator const & iter, int* new_order)
+EditorRoutes::track_list_reorder (Gtk::TreeModel::Path const &, Gtk::TreeModel::iterator const &, int* /*new_order*/)
 {
 	_redisplay_does_not_sync_order_keys = true;
 	_session->set_remote_control_ids();
diff --git a/gtk2_ardour/editor_rulers.cc b/gtk2_ardour/editor_rulers.cc
index c25fa67a16..c37d7d68d1 100644
--- a/gtk2_ardour/editor_rulers.cc
+++ b/gtk2_ardour/editor_rulers.cc
@@ -977,7 +977,7 @@ Editor::set_smpte_ruler_scale (gdouble lower, gdouble upper)
 }
 
 gint
-Editor::metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
+Editor::metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
 {
 	nframes_t pos;
 	nframes64_t spacer;
@@ -1220,7 +1220,7 @@ Editor::compute_bbt_ruler_scale (nframes64_t lower, nframes64_t upper)
 }
 
 gint
-Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
+Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
 {
         if (session == 0) {
                 return 0;
@@ -1692,7 +1692,7 @@ Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper
 }
 
 gint
-Editor::metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
+Editor::metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint /*maxchars*/)
 {
 	nframes64_t mark_interval;
 	nframes64_t pos;
@@ -1856,7 +1856,7 @@ Editor::set_minsec_ruler_scale (gdouble lower, gdouble upper)
 }
 
 gint
-Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
+Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
 {
 	nframes64_t pos;
 	nframes64_t spacer;
diff --git a/gtk2_ardour/editor_selection.cc b/gtk2_ardour/editor_selection.cc
index 3b53a2d821..2da8172fc9 100644
--- a/gtk2_ardour/editor_selection.cc
+++ b/gtk2_ardour/editor_selection.cc
@@ -233,7 +233,7 @@ Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool
 }
 
 bool
-Editor::set_selected_control_point_from_click (Selection::Operation op, bool no_remove)
+Editor::set_selected_control_point_from_click (Selection::Operation op, bool /*no_remove*/)
 {
 	if (!clicked_control_point) {
 		return false;
@@ -331,7 +331,7 @@ Editor::mapover_tracks (slot<void, RouteTimeAxisView&, uint32_t> sl, TimeAxisVie
 }
 
 void
-Editor::mapped_get_equivalent_regions (RouteTimeAxisView& tv, uint32_t ignored, RegionView * basis, vector<RegionView*>* all_equivs) const
+Editor::mapped_get_equivalent_regions (RouteTimeAxisView& tv, uint32_t, RegionView * basis, vector<RegionView*>* all_equivs) const
 {
 	boost::shared_ptr<Playlist> pl;
 	vector<boost::shared_ptr<Region> > results;
@@ -433,7 +433,7 @@ Editor::get_regionview_count_from_region_list (boost::shared_ptr<Region> region)
 
 
 bool
-Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
+Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool /*no_track_remove*/)
 {
 	vector<RegionView*> all_equivalent_regions;
 	bool commit = false;
@@ -771,7 +771,7 @@ Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> regi
 }
 
 bool
-Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, boost::weak_ptr<Region> weak_r)
+Editor::set_selected_regionview_from_map_event (GdkEventAny* /*ev*/, StreamView* sv, boost::weak_ptr<Region> weak_r)
 {
 	RegionView* rv;
 	boost::shared_ptr<Region> r (weak_r.lock());
@@ -1282,7 +1282,7 @@ Editor::select_all_selectables_using_edit (bool after)
 }
 
 void
-Editor::select_all_selectables_between (bool within)
+Editor::select_all_selectables_between (bool /*within*/)
 {
         nframes64_t start;
 	nframes64_t end;
diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index be57c3389c..9c0a39c554 100644
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -930,7 +930,7 @@ EngineControl::audio_mode_changed ()
 	}
 }
 
-static bool jack_server_filter(const string& str, void *arg)
+static bool jack_server_filter(const string& str, void */*arg*/)
 {
    return str == "jackd" || str == "jackdmp";
 }
diff --git a/gtk2_ardour/export_format_dialog.cc b/gtk2_ardour/export_format_dialog.cc
index b7688aec10..93fd1d56b3 100644
--- a/gtk2_ardour/export_format_dialog.cc
+++ b/gtk2_ardour/export_format_dialog.cc
@@ -850,7 +850,7 @@ ExportFormatDialog::show_linear_enconding_options (boost::shared_ptr<ARDOUR::Exp
 }
 
 void
-ExportFormatDialog::show_ogg_enconding_options (boost::shared_ptr<ARDOUR::ExportFormatOggVorbis> ptr)
+ExportFormatDialog::show_ogg_enconding_options (boost::shared_ptr<ARDOUR::ExportFormatOggVorbis> /*ptr*/)
 {
 	encoding_options_label.set_label (_("Ogg Vorbis options"));
 	
diff --git a/gtk2_ardour/fft_graph.cc b/gtk2_ardour/fft_graph.cc
index aac3143aee..99f752c236 100644
--- a/gtk2_ardour/fft_graph.cc
+++ b/gtk2_ardour/fft_graph.cc
@@ -140,7 +140,7 @@ FFTGraph::~FFTGraph()
 }
 
 bool
-FFTGraph::on_expose_event (GdkEventExpose* event)
+FFTGraph::on_expose_event (GdkEventExpose* /*event*/)
 {
 	redraw();
 	return true;
diff --git a/gtk2_ardour/gain_meter.cc b/gtk2_ardour/gain_meter.cc
index e6f0c74042..8f3a831634 100644
--- a/gtk2_ardour/gain_meter.cc
+++ b/gtk2_ardour/gain_meter.cc
@@ -521,7 +521,7 @@ GainMeterBase::meter_press(GdkEventButton* ev)
 }
 
 gint
-GainMeterBase::meter_release(GdkEventButton* ev)
+GainMeterBase::meter_release(GdkEventButton*)
 {
 	if(!ignore_toggle){
 		if (wait_for_release){
@@ -563,14 +563,14 @@ GainMeterBase::meter_point_clicked ()
 }
 
 gint
-GainMeterBase::start_gain_touch (GdkEventButton* ev)
+GainMeterBase::start_gain_touch (GdkEventButton*)
 {
 	_amp->gain_control()->start_touch ();
 	return FALSE;
 }
 
 gint
-GainMeterBase::end_gain_touch (GdkEventButton* ev)
+GainMeterBase::end_gain_touch (GdkEventButton*)
 {
 	_amp->gain_control()->stop_touch ();
 	return FALSE;
diff --git a/gtk2_ardour/generic_pluginui.cc b/gtk2_ardour/generic_pluginui.cc
index 77a3967f1e..5666f25810 100644
--- a/gtk2_ardour/generic_pluginui.cc
+++ b/gtk2_ardour/generic_pluginui.cc
@@ -369,7 +369,7 @@ GenericPluginUI::automation_state_changed (ControlUI* cui)
 }
 
 
-static void integer_printer (char buf[32], Adjustment &adj, void *arg)
+static void integer_printer (char buf[32], Adjustment &adj, void */*arg*/)
 {
 	snprintf (buf, 32, "%.0f", adj.get_value());
 }
@@ -613,7 +613,7 @@ GenericPluginUI::stop_touch (GenericPluginUI::ControlUI* cui)
 }
 
 void
-GenericPluginUI::astate_clicked (ControlUI* cui, uint32_t port)
+GenericPluginUI::astate_clicked (ControlUI* cui, uint32_t /*port*/)
 {
 	using namespace Menu_Helpers;
 
@@ -739,7 +739,7 @@ GenericPluginUI::processor_active_changed (boost::weak_ptr<Processor> weak_proce
 }
 
 bool
-GenericPluginUI::start_updating (GdkEventAny* ignored)
+GenericPluginUI::start_updating (GdkEventAny*)
 {
 	if (output_controls.size() > 0 ) {
 		screen_update_connection.disconnect();
@@ -750,7 +750,7 @@ GenericPluginUI::start_updating (GdkEventAny* ignored)
 }
 
 bool
-GenericPluginUI::stop_updating (GdkEventAny* ignored)
+GenericPluginUI::stop_updating (GdkEventAny*)
 {
 	if (output_controls.size() > 0 ) {
 		screen_update_connection.disconnect();
diff --git a/gtk2_ardour/ghostregion.cc b/gtk2_ardour/ghostregion.cc
index cfd9d3ea43..9d3d81eb00 100644
--- a/gtk2_ardour/ghostregion.cc
+++ b/gtk2_ardour/ghostregion.cc
@@ -215,7 +215,7 @@ MidiGhostRegion::Hit::x_changed()
 }
 
 void
-MidiGhostRegion::set_samples_per_unit (double spu)
+MidiGhostRegion::set_samples_per_unit (double /*spu*/)
 {
 }
 
@@ -310,7 +310,7 @@ MidiGhostRegion::add_note(ArdourCanvas::CanvasNote* n)
 }
 
 void
-MidiGhostRegion::add_hit(ArdourCanvas::CanvasHit* h)
+MidiGhostRegion::add_hit(ArdourCanvas::CanvasHit* /*h*/)
 {
 	//events.push_back(new Hit(h, group));
 }
diff --git a/gtk2_ardour/gtk-custom-ruler.c b/gtk2_ardour/gtk-custom-ruler.c
index c795e46201..4c937f8618 100644
--- a/gtk2_ardour/gtk-custom-ruler.c
+++ b/gtk2_ardour/gtk-custom-ruler.c
@@ -62,6 +62,11 @@ static void gtk_custom_ruler_get_property  (GObject        *object,
 static gint
 default_metric_get_marks (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 {
+	(void) marks;
+	(void) lower;
+	(void) upper;
+	(void) maxchars;
+	
 	return 0;
 }
 
@@ -193,6 +198,8 @@ gtk_custom_ruler_set_property (GObject      *object,
 			       const GValue *value,
 			       GParamSpec   *pspec)
 {
+	(void) pspec;
+	
   GtkCustomRuler *ruler = GTK_CUSTOM_RULER (object);
 
   switch (prop_id)
diff --git a/gtk2_ardour/io_selector.cc b/gtk2_ardour/io_selector.cc
index 31ba681790..31cbc06817 100644
--- a/gtk2_ardour/io_selector.cc
+++ b/gtk2_ardour/io_selector.cc
@@ -151,7 +151,7 @@ IOSelector::list_is_global (int dim) const
 	return (dim == _other);
 }
 
-IOSelectorWindow::IOSelectorWindow (ARDOUR::Session& session, boost::shared_ptr<ARDOUR::IO> io, bool can_cancel)
+IOSelectorWindow::IOSelectorWindow (ARDOUR::Session& session, boost::shared_ptr<ARDOUR::IO> io, bool /*can_cancel*/)
 	: _selector (session, io)
 {
 	set_name ("IOSelectorWindow2");
diff --git a/gtk2_ardour/keyboard.cc b/gtk2_ardour/keyboard.cc
index 2e29c9c1c5..f3542054aa 100644
--- a/gtk2_ardour/keyboard.cc
+++ b/gtk2_ardour/keyboard.cc
@@ -295,14 +295,14 @@ Keyboard::key_is_down (uint32_t keyval)
 }
 
 bool
-Keyboard::enter_window (GdkEventCrossing *ev, Gtk::Window* win)
+Keyboard::enter_window (GdkEventCrossing *, Gtk::Window* win)
 {
 	current_window = win;
 	return false;
 }
 
 bool
-Keyboard::leave_window (GdkEventCrossing *ev, Gtk::Window* win)
+Keyboard::leave_window (GdkEventCrossing *ev, Gtk::Window* /*win*/)
 {
 	if (ev) {
 		switch (ev->detail) {
@@ -447,11 +447,11 @@ Keyboard::selection_type (guint state)
 
 
 static void 
-accel_map_changed (GtkAccelMap* map,
-		   gchar* path,
-		   guint  key,
-		   GdkModifierType mod,
-		   gpointer arg)
+accel_map_changed (GtkAccelMap* /*map*/,
+		   gchar* /*path*/,
+		   guint /*key*/,
+		   GdkModifierType /*mod*/,
+		   gpointer /*arg*/)
 {
 	Keyboard::keybindings_changed ();
 }
diff --git a/gtk2_ardour/level_meter.cc b/gtk2_ardour/level_meter.cc
index f6d41c3312..e0a8f8fb51 100644
--- a/gtk2_ardour/level_meter.cc
+++ b/gtk2_ardour/level_meter.cc
@@ -135,7 +135,7 @@ LevelMeter::parameter_changed (string p)
 }
 
 void
-LevelMeter::configuration_changed(ChanCount in, ChanCount out)
+LevelMeter::configuration_changed (ChanCount /*in*/, ChanCount /*out*/)
 {
 	color_changed = true;
 	setup_meters (meter_length, regular_meter_width);
@@ -216,7 +216,7 @@ LevelMeter::setup_meters (int len, int initial_width)
 }
 
 gint
-LevelMeter::meter_button_release (GdkEventButton* ev, uint32_t which)
+LevelMeter::meter_button_release (GdkEventButton* ev, uint32_t /*which*/)
 {
 	if (ev->button == 1) {
 		clear_meters();
diff --git a/gtk2_ardour/lineset.cc b/gtk2_ardour/lineset.cc
index 352d9331eb..772824a533 100644
--- a/gtk2_ardour/lineset.cc
+++ b/gtk2_ardour/lineset.cc
@@ -66,7 +66,7 @@ LineSetClass::init()
 }
 
 void
-LineSetClass::class_init_function(void* g_class, void* class_data)
+LineSetClass::class_init_function(void* /*g_class*/, void* /*class_data*/)
 {
 }
 
@@ -503,7 +503,7 @@ LineSet::update_bounds()
  * N. find out if the item moved. if it moved, the old bbox and the new bbox need to be updated.
  */
 void
-LineSet::update_vfunc(double* affine, ArtSVP* clip_path, int flags)
+LineSet::update_vfunc(double* /*affine*/, ArtSVP* /*clip_path*/, int /*flags*/)
 {
 	GnomeCanvasItem* item = GNOME_CANVAS_ITEM(gobj());
 	bool lines_need_redraw = true;
@@ -539,7 +539,7 @@ LineSet::update_vfunc(double* affine, ArtSVP* clip_path, int flags)
 }
 
 void
-LineSet::draw_vfunc(const Glib::RefPtr<Gdk::Drawable>& drawable, int x, int y, int width, int height)
+LineSet::draw_vfunc(const Glib::RefPtr<Gdk::Drawable>& /*drawable*/, int /*x*/, int /*y*/, int /*width*/, int /*height*/)
 {
 	cerr << "please don't use the GnomeCanvasLineSet item in a non-aa Canvas" << endl;
 	abort();
@@ -704,7 +704,7 @@ LineSet::bounds_vfunc(double* _x1, double* _y1, double* _x2, double* _y2)
 
 
 double
-LineSet::point_vfunc(double x, double y, int cx, int cy, GnomeCanvasItem** actual_item)
+LineSet::point_vfunc(double x, double y, int /*cx*/, int /*cy*/, GnomeCanvasItem** actual_item)
 {
 	double x1, y1, x2, y2;
 	double dx, dy;
@@ -774,7 +774,7 @@ LineSet::region_needs_update(double coord1, double coord2)
  * These have been defined to avoid endless recursion with gnomecanvasmm.
  * Don't know why this happens
  */
-bool LineSet::on_event(GdkEvent* p1)
+bool LineSet::on_event(GdkEvent* /*p1*/)
 { 
 	return false;
 }
diff --git a/gtk2_ardour/location_ui.cc b/gtk2_ardour/location_ui.cc
index 31c9da1552..7aeb8b3301 100644
--- a/gtk2_ardour/location_ui.cc
+++ b/gtk2_ardour/location_ui.cc
@@ -421,7 +421,7 @@ LocationEditRow::clock_changed (LocationPart part)
 }
 
 void
-LocationEditRow::change_aborted (LocationPart part)
+LocationEditRow::change_aborted (LocationPart /*part*/)
 {
 	if (i_am_the_modifier || !location) return;
 	
@@ -945,7 +945,7 @@ LocationUI::session_gone()
 }
 
 bool
-LocationUI::on_delete_event (GdkEventAny* ev)
+LocationUI::on_delete_event (GdkEventAny*)
 {
 	hide ();
 	return true;
diff --git a/gtk2_ardour/lv2_plugin_ui.cc b/gtk2_ardour/lv2_plugin_ui.cc
index 812f2640a7..9605b03ba4 100644
--- a/gtk2_ardour/lv2_plugin_ui.cc
+++ b/gtk2_ardour/lv2_plugin_ui.cc
@@ -32,8 +32,8 @@ void
 LV2PluginUI::lv2_ui_write(
 		LV2UI_Controller controller,
 		uint32_t         port_index,
-		uint32_t         buffer_size,
-		uint32_t         format,
+		uint32_t         /*buffer_size*/,
+		uint32_t         /*format*/,
 		const void*      buffer)
 {
 	LV2PluginUI* me = (LV2PluginUI*)controller;
@@ -60,7 +60,7 @@ LV2PluginUI::parameter_update (uint32_t port_index, float val)
 }
 
 bool
-LV2PluginUI::start_updating(GdkEventAny* event)
+LV2PluginUI::start_updating(GdkEventAny*)
 {
 	if (!_output_ports.empty()) {
 		_screen_update_connection.disconnect();
@@ -71,7 +71,7 @@ LV2PluginUI::start_updating(GdkEventAny* event)
 }
 
 bool
-LV2PluginUI::stop_updating(GdkEventAny* event)
+LV2PluginUI::stop_updating(GdkEventAny*)
 {
 	if (!_output_ports.empty()) {
 		_screen_update_connection.disconnect();
@@ -157,14 +157,14 @@ LV2PluginUI::package (Gtk::Window& win)
 }
 
 bool
-LV2PluginUI::configure_handler (GdkEventConfigure* ev)
+LV2PluginUI::configure_handler (GdkEventConfigure*)
 {
 	std::cout << "CONFIGURE" << std::endl;
 	return false;
 }
 
 bool
-LV2PluginUI::is_update_wanted(uint32_t index)
+LV2PluginUI::is_update_wanted(uint32_t /*index*/)
 {
 	/* FIXME this should check the port notification properties, which nobody sets now anyway :) */
 	return true;
diff --git a/gtk2_ardour/main.cc b/gtk2_ardour/main.cc
index 7c57b7535b..70f3a15498 100644
--- a/gtk2_ardour/main.cc
+++ b/gtk2_ardour/main.cc
@@ -283,7 +283,7 @@ fixup_bundle_environment ()
 #endif
 
 static void
-sigpipe_handler (int sig)
+sigpipe_handler (int /*sig*/)
 {
 	cerr << _("SIGPIPE received - JACK has probably died") << endl;
 }
diff --git a/gtk2_ardour/midi_channel_selector.cc b/gtk2_ardour/midi_channel_selector.cc
index 030a0608ef..4119b7ce05 100644
--- a/gtk2_ardour/midi_channel_selector.cc
+++ b/gtk2_ardour/midi_channel_selector.cc
@@ -209,7 +209,7 @@ MidiMultipleChannelSelector::set_selected_channels(uint16_t selected_channels)
 }
 
 void
-MidiMultipleChannelSelector::button_toggled(ToggleButton *button, uint8_t channel)
+MidiMultipleChannelSelector::button_toggled(ToggleButton */*button*/, uint8_t channel)
 {
 	++_recursion_counter;
 	if (_recursion_counter == 1) {
diff --git a/gtk2_ardour/midi_streamview.cc b/gtk2_ardour/midi_streamview.cc
index 30718ad158..6f2e81f0ff 100644
--- a/gtk2_ardour/midi_streamview.cc
+++ b/gtk2_ardour/midi_streamview.cc
@@ -130,7 +130,7 @@ veto_note_range(uint8_t& min, uint8_t& max)
 }
 
 RegionView*
-MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool wfd, bool)
+MidiStreamView::create_region_view (boost::shared_ptr<Region> r, bool /*wfd*/, bool)
 {
 	boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion> (r);
 
diff --git a/gtk2_ardour/mixer_strip.cc b/gtk2_ardour/mixer_strip.cc
index 7d6257bbd0..8ab7454ab8 100644
--- a/gtk2_ardour/mixer_strip.cc
+++ b/gtk2_ardour/mixer_strip.cc
@@ -939,14 +939,14 @@ MixerStrip::diskstream_changed ()
 }	
 
 void
-MixerStrip::input_changed (IOChange change, void *src)
+MixerStrip::input_changed (IOChange /*change*/, void */*src*/)
 {
 	Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
 	set_width_enum (_width, this);
 }
 
 void
-MixerStrip::output_changed (IOChange change, void *src)
+MixerStrip::output_changed (IOChange /*change*/, void */*src*/)
 {
 	Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
 	set_width_enum (_width, this);
@@ -1586,7 +1586,7 @@ MixerStrip::on_key_release_event (GdkEventKey* ev)
 }
 
 bool
-MixerStrip::on_enter_notify_event (GdkEventCrossing* ev)
+MixerStrip::on_enter_notify_event (GdkEventCrossing*)
 {
 	Keyboard::magic_widget_grab_focus ();
 	grab_focus ();
diff --git a/gtk2_ardour/mixer_ui.cc b/gtk2_ardour/mixer_ui.cc
index 00c16f59b6..0e354945ac 100644
--- a/gtk2_ardour/mixer_ui.cc
+++ b/gtk2_ardour/mixer_ui.cc
@@ -671,7 +671,7 @@ Mixer_UI::hide_all_audiotracks ()
 }
 
 void
-Mixer_UI::track_list_reorder (const TreeModel::Path& path, const TreeModel::iterator& iter, int* new_order)
+Mixer_UI::track_list_reorder (const TreeModel::Path&, const TreeModel::iterator&, int* /*new_order*/)
 {
 	strip_redisplay_does_not_sync_order_keys = true;
 	session->set_remote_control_ids();
@@ -680,7 +680,7 @@ Mixer_UI::track_list_reorder (const TreeModel::Path& path, const TreeModel::iter
 }
 
 void
-Mixer_UI::track_list_change (const Gtk::TreeModel::Path& path,const Gtk::TreeModel::iterator& iter)
+Mixer_UI::track_list_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator&)
 {
 	// never reset order keys because of a property change
 	strip_redisplay_does_not_reset_order_keys = true; 
@@ -690,7 +690,7 @@ Mixer_UI::track_list_change (const Gtk::TreeModel::Path& path,const Gtk::TreeMod
 }
 
 void
-Mixer_UI::track_list_delete (const Gtk::TreeModel::Path& path)
+Mixer_UI::track_list_delete (const Gtk::TreeModel::Path&)
 {
 	/* this could require an order sync */
 	session->set_remote_control_ids();
@@ -1197,7 +1197,7 @@ Mixer_UI::route_group_name_edit (const Glib::ustring& path, const Glib::ustring&
 }
 
 void 
-Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path& path,const Gtk::TreeModel::iterator& iter)
+Mixer_UI::route_group_row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
 {
 	RouteGroup* group;
 
@@ -1403,7 +1403,7 @@ Mixer_UI::get_state (void)
 
 
 void 
-Mixer_UI::pane_allocation_handler (Allocation& alloc, Gtk::Paned* which)
+Mixer_UI::pane_allocation_handler (Allocation&, Gtk::Paned* which)
 {
 	int pos;
 	XMLProperty* prop = 0;
diff --git a/gtk2_ardour/nag.cc b/gtk2_ardour/nag.cc
index f63e78b20f..c8f6c35c17 100644
--- a/gtk2_ardour/nag.cc
+++ b/gtk2_ardour/nag.cc
@@ -16,7 +16,7 @@ using namespace std;
 using namespace Glib;
 using namespace Gtk;
 
-NagScreen::NagScreen (std::string context, bool maybe_sub)
+NagScreen::NagScreen (std::string /*context*/, bool maybe_sub)
 	: ArdourDialog (_("Support Ardour Development"), true)
 	, donate_button (button_group, _("I'd like to make a one-time donation"))
 	, subscribe_button (button_group, _("Tell me more about becoming a subscriber"))
diff --git a/gtk2_ardour/panner_ui.cc b/gtk2_ardour/panner_ui.cc
index 7f1475fabc..e133c1e0b9 100644
--- a/gtk2_ardour/panner_ui.cc
+++ b/gtk2_ardour/panner_ui.cc
@@ -229,13 +229,13 @@ PannerUI::get_controllable()
 }
 
 bool
-PannerUI::panning_link_button_press (GdkEventButton* ev)
+PannerUI::panning_link_button_press (GdkEventButton*)
 {
 	return true;
 }
 
 bool
-PannerUI::panning_link_button_release (GdkEventButton* ev)
+PannerUI::panning_link_button_release (GdkEventButton*)
 {
 	if (!ignore_toggle) {
 		_panner->set_linked (!_panner->linked());
diff --git a/gtk2_ardour/piano_roll_header.cc b/gtk2_ardour/piano_roll_header.cc
index e946aa3dfb..9a7b86396f 100644
--- a/gtk2_ardour/piano_roll_header.cc
+++ b/gtk2_ardour/piano_roll_header.cc
@@ -91,7 +91,7 @@ create_path(Cairo::RefPtr<Cairo::Context> cr, double x[], double y[], int start,
 }
 
 inline void 
-render_rect(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
+render_rect(Cairo::RefPtr<Cairo::Context> cr, int /*note*/, double x[], double y[],
 	     PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow)
 {
 	cr->set_source_rgb(bg.r, bg.g, bg.b);
@@ -108,7 +108,7 @@ render_rect(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
 }
 
 inline void
-render_cf(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
+render_cf(Cairo::RefPtr<Cairo::Context> cr, int /*note*/, double x[], double y[],
 		PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow)
 {
 	cr->set_source_rgb(bg.r, bg.g, bg.b);
@@ -125,7 +125,7 @@ render_cf(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
 }
 
 inline void
-render_eb(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
+render_eb(Cairo::RefPtr<Cairo::Context> cr, int /*note*/, double x[], double y[],
 		PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow)
 {
 	cr->set_source_rgb(bg.r, bg.g, bg.b);
@@ -146,7 +146,7 @@ render_eb(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
 }
 
 inline void
-render_dga(Cairo::RefPtr<Cairo::Context> cr, int note, double x[], double y[],
+render_dga(Cairo::RefPtr<Cairo::Context> cr, int /*note*/, double x[], double y[],
 		 PianoRollHeader::Color& bg, PianoRollHeader::Color& tl_shadow, PianoRollHeader::Color& br_shadow)
 {
 	cr->set_source_rgb(bg.r, bg.g, bg.b);
@@ -562,7 +562,7 @@ PianoRollHeader::on_leave_notify_event (GdkEventCrossing*)
 }
 
 bool
-PianoRollHeader::on_scroll_event (GdkEventScroll* ev)
+PianoRollHeader::on_scroll_event (GdkEventScroll*)
 {
 	return true;
 }
diff --git a/gtk2_ardour/plugin_eq_gui.cc b/gtk2_ardour/plugin_eq_gui.cc
index 6bf4da0123..dd5e024ddf 100644
--- a/gtk2_ardour/plugin_eq_gui.cc
+++ b/gtk2_ardour/plugin_eq_gui.cc
@@ -398,7 +398,7 @@ PluginEqGui::run_impulse_analysis()
 }
 
 bool
-PluginEqGui::expose_analysis_area(GdkEventExpose *evt)
+PluginEqGui::expose_analysis_area(GdkEventExpose *)
 {
 	redraw_analysis_area();
 
@@ -463,7 +463,7 @@ PluginEqGui::redraw_analysis_area()
 #define PHASE_PROPORTION 0.5
 
 void 
-PluginEqGui::draw_scales_phase(Gtk::Widget *w, cairo_t *cr)
+PluginEqGui::draw_scales_phase(Gtk::Widget */*w*/, cairo_t *cr)
 {
 	float y;
 	cairo_font_extents_t extents;
@@ -561,7 +561,7 @@ PluginEqGui::plot_impulse_phase(Gtk::Widget *w, cairo_t *cr)
 }
 
 void
-PluginEqGui::draw_scales_power(Gtk::Widget *w, cairo_t *cr)
+PluginEqGui::draw_scales_power(Gtk::Widget */*w*/, cairo_t *cr)
 {
 	static float scales[] = { 30.0, 70.0, 125.0, 250.0, 500.0, 1000.0, 2000.0, 5000.0, 10000.0, 15000.0, 20000.0, -1.0 };
 	
diff --git a/gtk2_ardour/plugin_selector.cc b/gtk2_ardour/plugin_selector.cc
index d87fad611a..7ebe778ecb 100644
--- a/gtk2_ardour/plugin_selector.cc
+++ b/gtk2_ardour/plugin_selector.cc
@@ -336,7 +336,11 @@ PluginSelector::lv2_refiller (const std::string& filterstr)
 }
 
 void
+#ifdef VST_SUPPORT
 PluginSelector::vst_refiller (const std::string& filterstr)
+#else
+PluginSelector::vst_refiller (const std::string&)
+#endif
 {
 #ifdef VST_SUPPORT
 	refiller (manager->vst_plugin_info(), filterstr, "VST");
@@ -344,7 +348,11 @@ PluginSelector::vst_refiller (const std::string& filterstr)
 }
 
 void
+#ifdef HAVE_AUDIOUNITS
 PluginSelector::au_refiller (const std::string& filterstr)
+#else
+PluginSelector::au_refiller (const std::string&)
+#endif	
 {
 #ifdef HAVE_AUDIOUNITS
 	refiller (manager->au_plugin_info(), filterstr, "AU");
diff --git a/gtk2_ardour/plugin_ui.cc b/gtk2_ardour/plugin_ui.cc
index 527c54876e..1c5a56f531 100644
--- a/gtk2_ardour/plugin_ui.cc
+++ b/gtk2_ardour/plugin_ui.cc
@@ -228,7 +228,11 @@ PluginUIWindow::on_hide ()
 }
 
 bool
+#ifdef VST_SUPPORT
 PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert> insert)
+#else
+PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert>)
+#endif	
 {
 #ifndef VST_SUPPORT
 	return false;
@@ -254,7 +258,11 @@ PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert> insert)
 }
 
 bool
+#if defined (HAVE_AUDIOUNITS) && defined (GTKOSX)
 PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert> insert)
+#else
+PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert>)
+#endif	
 {
 #if !defined(HAVE_AUDIOUNITS) || !defined(GTKOSX)
 	return false;
@@ -272,7 +280,11 @@ PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert> insert)
 }
 
 void
+#if defined (HAVE_AUDIOUNITS) && defined(GTKOSX)
 PluginUIWindow::app_activated (bool yn)
+#else
+PluginUIWindow::app_activated (bool)
+#endif	
 {
 #if defined (HAVE_AUDIOUNITS) && defined(GTKOSX)
 	cerr << "APP activated ? " << yn << endl;
@@ -327,7 +339,7 @@ PluginUIWindow::on_key_press_event (GdkEventKey* event)
 }
 
 bool
-PluginUIWindow::on_key_release_event (GdkEventKey* event)
+PluginUIWindow::on_key_release_event (GdkEventKey *)
 {
 	return true;
 }
@@ -499,7 +511,7 @@ PlugUIBase::bypass_toggled ()
 }
 
 bool
-PlugUIBase::focus_toggled (GdkEventButton* ev)
+PlugUIBase::focus_toggled (GdkEventButton*)
 {
 	if (Keyboard::the_keyboard().some_magic_widget_has_focus()) {
 		Keyboard::the_keyboard().magic_widget_drop_focus();
diff --git a/gtk2_ardour/plugin_ui.h b/gtk2_ardour/plugin_ui.h
index 93059bb2bd..ab30858eaf 100644
--- a/gtk2_ardour/plugin_ui.h
+++ b/gtk2_ardour/plugin_ui.h
@@ -158,7 +158,7 @@ class GenericPluginUI : public PlugUIBase, public Gtk::VBox
 		bool            max_unbound;
 		bool packed;
 		
-		MeterInfo(int i) { 
+		MeterInfo (int /*i*/) { 
 			meter = 0;
 			packed = false;
 			min = 1.0e10;
diff --git a/gtk2_ardour/port_matrix_column_labels.cc b/gtk2_ardour/port_matrix_column_labels.cc
index 8633070d69..4979c95254 100644
--- a/gtk2_ardour/port_matrix_column_labels.cc
+++ b/gtk2_ardour/port_matrix_column_labels.cc
@@ -110,7 +110,7 @@ PortMatrixColumnLabels::compute_dimensions ()
 }
 
 double
-PortMatrixColumnLabels::basic_text_x_pos (int c) const
+PortMatrixColumnLabels::basic_text_x_pos (int) const
 {
 	return grid_spacing() / 2 +
 		_highest_text / (2 * sin (angle ()));
@@ -441,7 +441,7 @@ PortMatrixColumnLabels::channel_x (ARDOUR::BundleChannel const &bc) const
 }
 
 double
-PortMatrixColumnLabels::channel_y (ARDOUR::BundleChannel const &bc) const
+PortMatrixColumnLabels::channel_y (ARDOUR::BundleChannel const &) const
 {
 	return 0;
 }
diff --git a/gtk2_ardour/port_matrix_grid.cc b/gtk2_ardour/port_matrix_grid.cc
index bb8dff5953..8e2f379add 100644
--- a/gtk2_ardour/port_matrix_grid.cc
+++ b/gtk2_ardour/port_matrix_grid.cc
@@ -406,7 +406,7 @@ PortMatrixGrid::set_association (PortMatrixNode node, bool s)
 }
 
 void
-PortMatrixGrid::button_release (double x, double y, int b, uint32_t t)
+PortMatrixGrid::button_release (double x, double y, int b, uint32_t /*t*/)
 {
 	if (b == 1) {
 
diff --git a/gtk2_ardour/port_matrix_row_labels.cc b/gtk2_ardour/port_matrix_row_labels.cc
index eb3b5f4ce7..fb6ab951dd 100644
--- a/gtk2_ardour/port_matrix_row_labels.cc
+++ b/gtk2_ardour/port_matrix_row_labels.cc
@@ -325,7 +325,7 @@ PortMatrixRowLabels::render_channel_name (
 }
 
 double
-PortMatrixRowLabels::channel_x (ARDOUR::BundleChannel const& bc) const
+PortMatrixRowLabels::channel_x (ARDOUR::BundleChannel const &) const
 {
 	return 0;
 }
diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index 5f4762c18c..0ad9a969ef 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -317,19 +317,19 @@ ProcessorBox::show_processor_menu (gint arg)
 }
 
 void
-ProcessorBox::processor_drag_begin (GdkDragContext *context)
+ProcessorBox::processor_drag_begin (GdkDragContext *)
 {
 	processor_drag_in_progress = true;
 }
 
 void
-ProcessorBox::processor_drag_end (GdkDragContext *context)
+ProcessorBox::processor_drag_end (GdkDragContext *)
 {
 	processor_drag_in_progress = false;
 }
 
 bool
-ProcessorBox::enter_notify (GdkEventCrossing* ev)
+ProcessorBox::enter_notify (GdkEventCrossing*)
 {
 	_current_processor_box = this;
 	Keyboard::magic_widget_grab_focus ();
@@ -352,7 +352,7 @@ ProcessorBox::leave_notify (GdkEventCrossing* ev)
 }
 
 bool
-ProcessorBox::processor_key_press_event (GdkEventKey *ev)
+ProcessorBox::processor_key_press_event (GdkEventKey *)
 {
 	/* do real stuff on key release */
 	return false;
@@ -928,7 +928,7 @@ ProcessorBox::show_processor_active (boost::weak_ptr<Processor> weak_processor)
 }
 
 void
-ProcessorBox::row_deleted (const Gtk::TreeModel::Path& path)
+ProcessorBox::row_deleted (const Gtk::TreeModel::Path &)
 {
 	if (!ignore_delete) {
 		compute_processor_sort_keys ();
diff --git a/gtk2_ardour/rc_option_editor.cc b/gtk2_ardour/rc_option_editor.cc
index 6a3fe486ee..9ed1a8f982 100644
--- a/gtk2_ardour/rc_option_editor.cc
+++ b/gtk2_ardour/rc_option_editor.cc
@@ -135,7 +135,7 @@ public:
 	
 private:
 
-	void model_changed (TreeModel::Path const & p, TreeModel::iterator const & i)
+	void model_changed (TreeModel::Path const &, TreeModel::iterator const & i)
 	{
 		TreeModel::Row r = *i;
 
@@ -622,7 +622,7 @@ public:
 		_box->pack_start (*t, false, false);
 	}
 
-	void parameter_changed (string const & p)
+	void parameter_changed (string const &)
 	{
 		/* XXX: these aren't really config options... */
 	}
@@ -872,7 +872,7 @@ public:
 
 private:
 
-	void model_changed (TreeModel::Path const & p, TreeModel::iterator const & i)
+	void model_changed (TreeModel::Path const &, TreeModel::iterator const & i)
 	{
 		TreeModel::Row r = *i;
 
diff --git a/gtk2_ardour/region_view.cc b/gtk2_ardour/region_view.cc
index 85d59a93b1..e1f4721965 100644
--- a/gtk2_ardour/region_view.cc
+++ b/gtk2_ardour/region_view.cc
@@ -192,7 +192,7 @@ RegionView::~RegionView ()
 }
 
 gint
-RegionView::_lock_toggle (ArdourCanvas::Item* item, GdkEvent* ev, void* arg)
+RegionView::_lock_toggle (ArdourCanvas::Item*, GdkEvent* ev, void* arg)
 {
 	switch (ev->type) {
 	case GDK_BUTTON_RELEASE:
@@ -301,7 +301,7 @@ RegionView::lower_to_bottom ()
 }
 
 bool
-RegionView::set_position (nframes_t pos, void* src, double* ignored)
+RegionView::set_position (nframes_t pos, void* /*src*/, double* ignored)
 {
 	double delta;
 	bool ret;
diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
index 11be3086e5..87d0d07433 100644
--- a/gtk2_ardour/route_time_axis.cc
+++ b/gtk2_ardour/route_time_axis.cc
@@ -304,7 +304,7 @@ RouteTimeAxisView::post_construct ()
 }
 
 void
-RouteTimeAxisView::set_playlist (boost::shared_ptr<Playlist> newplaylist)
+RouteTimeAxisView::set_playlist (boost::shared_ptr<Playlist> /*newplaylist*/)
 {
 	boost::shared_ptr<Playlist> pl = playlist();
 	assert(pl);
@@ -2272,7 +2272,7 @@ RouteTimeAxisView::meter_changed (void *src)
 }
 
 void
-RouteTimeAxisView::io_changed (IOChange change, void *src)
+RouteTimeAxisView::io_changed (IOChange /*change*/, void */*src*/)
 {
 	reset_meter ();
 }
diff --git a/gtk2_ardour/route_ui.cc b/gtk2_ardour/route_ui.cc
index 1ac651308a..f0f9827b73 100644
--- a/gtk2_ardour/route_ui.cc
+++ b/gtk2_ardour/route_ui.cc
@@ -297,7 +297,7 @@ RouteUI::mute_press(GdkEventButton* ev)
 }
 
 bool
-RouteUI::mute_release(GdkEventButton* ev)
+RouteUI::mute_release(GdkEventButton*)
 {
 	if (!ignore_toggle) {
 		if (wait_for_release){
@@ -437,7 +437,7 @@ RouteUI::solo_press(GdkEventButton* ev)
 }
 
 bool
-RouteUI::solo_release(GdkEventButton* ev)
+RouteUI::solo_release(GdkEventButton*)
 {
 	if (!ignore_toggle) {
 		if (wait_for_release) {
@@ -512,7 +512,7 @@ RouteUI::rec_enable_press(GdkEventButton* ev)
 }
 
 bool
-RouteUI::rec_enable_release (GdkEventButton* ev)
+RouteUI::rec_enable_release (GdkEventButton*)
 {
 	return true;
 }
@@ -605,7 +605,7 @@ RouteUI::show_sends_press(GdkEventButton* ev)
 }
 
 bool
-RouteUI::show_sends_release (GdkEventButton* ev)
+RouteUI::show_sends_release (GdkEventButton*)
 {
 	return true;
 }
@@ -625,14 +625,14 @@ RouteUI::send_blink (bool onoff)
 }
 
 void
-RouteUI::solo_changed(void* src)
+RouteUI::solo_changed(void* /*src*/)
 {
 	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_solo_display));
 }
 
 
 void
-RouteUI::listen_changed(void* src)
+RouteUI::listen_changed(void* /*src*/)
 {
 	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_solo_display));
 }
@@ -682,7 +682,7 @@ RouteUI::solo_changed_so_update_mute ()
 }
 
 void
-RouteUI::mute_changed(void* src)
+RouteUI::mute_changed(void* /*src*/)
 {
 	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_mute_display));
 }
@@ -914,7 +914,7 @@ RouteUI::init_mute_menu(MuteMaster::MutePoint mp, CheckMenuItem* check)
 }
 
 void
-RouteUI::toggle_mute_menu(MuteMaster::MutePoint mp, Gtk::CheckMenuItem* check)
+RouteUI::toggle_mute_menu(MuteMaster::MutePoint /*mp*/, Gtk::CheckMenuItem* /*check*/)
 {
 	// _route->set_mute_config(type, check->get_active(), this);
 }
@@ -1220,7 +1220,7 @@ RouteUI::denormal_protection_changed ()
 }
 
 void
-RouteUI::solo_isolated_toggle(void* src, Gtk::CheckMenuItem* check)
+RouteUI::solo_isolated_toggle(void* /*src*/, Gtk::CheckMenuItem* check)
 {
 	bool yn = _route->solo_isolated ();
 
diff --git a/gtk2_ardour/selection.cc b/gtk2_ardour/selection.cc
index 2eafcf220c..cbe5975e87 100644
--- a/gtk2_ardour/selection.cc
+++ b/gtk2_ardour/selection.cc
@@ -492,7 +492,7 @@ Selection::remove (uint32_t selection_id)
 }
 
 void
-Selection::remove (nframes_t start, nframes_t end)
+Selection::remove (nframes_t /*start*/, nframes_t /*end*/)
 {
 }
 
diff --git a/gtk2_ardour/session_import_dialog.cc b/gtk2_ardour/session_import_dialog.cc
index d79f977b3e..89f50c5893 100644
--- a/gtk2_ardour/session_import_dialog.cc
+++ b/gtk2_ardour/session_import_dialog.cc
@@ -242,7 +242,7 @@ SessionImportDialog::update (string path)
 }
 
 void
-SessionImportDialog::show_info(const Gtk::TreeModel::Path& path, Gtk::TreeViewColumn* column)
+SessionImportDialog::show_info(const Gtk::TreeModel::Path& path, Gtk::TreeViewColumn*)
 {
 	if (path.size() == 1) {
 		return;
diff --git a/gtk2_ardour/session_metadata_dialog.h b/gtk2_ardour/session_metadata_dialog.h
index defd540618..387d42cd10 100644
--- a/gtk2_ardour/session_metadata_dialog.h
+++ b/gtk2_ardour/session_metadata_dialog.h
@@ -127,7 +127,7 @@ class SessionMetadataSet {
 	/// Sets session, into which the data is eventually saved
 	virtual void set_session (ARDOUR::Session * s) { session = s; }
 	/// allows loading extra data into data sets (for importing etc.)
-	virtual void load_extra_data (ARDOUR::SessionMetadata const & data) { }
+	virtual void load_extra_data (ARDOUR::SessionMetadata const & /*data*/) { }
 	/// Saves data to session
 	virtual void save_data () = 0;
 	
diff --git a/gtk2_ardour/session_option_editor.cc b/gtk2_ardour/session_option_editor.cc
index b23bccd37a..aaa16694b6 100644
--- a/gtk2_ardour/session_option_editor.cc
+++ b/gtk2_ardour/session_option_editor.cc
@@ -123,7 +123,7 @@ public:
 		_box->pack_start (_port_matrix);
 	}
 
-	void parameter_changed (string const & p)
+	void parameter_changed (string const &)
 	{
 
 	}
diff --git a/gtk2_ardour/sfdb_ui.cc b/gtk2_ardour/sfdb_ui.cc
index e0caced97a..41758d493d 100644
--- a/gtk2_ardour/sfdb_ui.cc
+++ b/gtk2_ardour/sfdb_ui.cc
@@ -365,7 +365,7 @@ SoundFileBox::stop_audition ()
 }
 
 bool
-SoundFileBox::tags_entry_left (GdkEventFocus *ev)
+SoundFileBox::tags_entry_left (GdkEventFocus *)
 {
 	tags_changed ();
 	return false;
@@ -566,13 +566,13 @@ SoundFileBrowser::chooser_file_activated ()
 }
 
 void
-SoundFileBrowser::found_list_view_activated (const TreeModel::Path& path, TreeViewColumn* col)
+SoundFileBrowser::found_list_view_activated (const TreeModel::Path&, TreeViewColumn*)
 {
 	preview.audition ();
 }
 
 void
-SoundFileBrowser::freesound_list_view_activated (const TreeModel::Path& path, TreeViewColumn* col)
+SoundFileBrowser::freesound_list_view_activated (const TreeModel::Path&, TreeViewColumn*)
 {
 	preview.audition ();
 }
diff --git a/gtk2_ardour/splash.cc b/gtk2_ardour/splash.cc
index bf4d9bc27f..3fa96704e3 100644
--- a/gtk2_ardour/splash.cc
+++ b/gtk2_ardour/splash.cc
@@ -75,7 +75,7 @@ Splash::on_realize ()
 
 
 bool
-Splash::on_button_release_event (GdkEventButton* ev)
+Splash::on_button_release_event (GdkEventButton*)
 {
 	hide ();
 	return true;
diff --git a/gtk2_ardour/startup.cc b/gtk2_ardour/startup.cc
index 5dc6c2b75f..370ce1b377 100644
--- a/gtk2_ardour/startup.cc
+++ b/gtk2_ardour/startup.cc
@@ -1127,7 +1127,7 @@ ArdourStartup::move_along_now ()
 }
 
 void
-ArdourStartup::recent_row_activated (const Gtk::TreePath& path, Gtk::TreeViewColumn* col)
+ArdourStartup::recent_row_activated (const Gtk::TreePath&, Gtk::TreeViewColumn*)
 {
 	set_page_complete (session_vbox, true);
 	move_along_now ();
diff --git a/gtk2_ardour/streamview.h b/gtk2_ardour/streamview.h
index 07285d8a42..c696b63f7a 100644
--- a/gtk2_ardour/streamview.h
+++ b/gtk2_ardour/streamview.h
@@ -92,7 +92,7 @@ public:
 	void get_selectables (nframes_t start, nframes_t end, std::list<Selectable* >&);
 	void get_inverted_selectables (Selection&, std::list<Selectable* >& results);
 
-	virtual void update_contents_metrics(boost::shared_ptr<ARDOUR::Region> r) {}
+	virtual void update_contents_metrics(boost::shared_ptr<ARDOUR::Region>) {}
 
 	void add_region_view_weak (boost::weak_ptr<ARDOUR::Region> r);
 	void add_region_view (boost::shared_ptr<ARDOUR::Region>);
diff --git a/gtk2_ardour/tape_region_view.cc b/gtk2_ardour/tape_region_view.cc
index a10541ffc6..c5267a9f24 100644
--- a/gtk2_ardour/tape_region_view.cc
+++ b/gtk2_ardour/tape_region_view.cc
@@ -61,7 +61,7 @@ TapeAudioRegionView::TapeAudioRegionView (ArdourCanvas::Group *parent, RouteTime
 }
 
 void
-TapeAudioRegionView::init (Gdk::Color const & basic_color, bool wfw)
+TapeAudioRegionView::init (Gdk::Color const & basic_color, bool /*wfw*/)
 {
 	/* never wait for data: always just create the waves, connect once and then
 	   we'll update whenever we need to.
diff --git a/gtk2_ardour/tempo_dialog.cc b/gtk2_ardour/tempo_dialog.cc
index 6bb50469dd..b23f069930 100644
--- a/gtk2_ardour/tempo_dialog.cc
+++ b/gtk2_ardour/tempo_dialog.cc
@@ -181,13 +181,13 @@ TempoDialog::init (const BBT_Time& when, double bpm, double note_type, bool mova
 }
 
 bool
-TempoDialog::bpm_button_press (GdkEventButton* ev)
+TempoDialog::bpm_button_press (GdkEventButton*)
 {
 	return false;
 }
 
 bool
-TempoDialog::bpm_button_release (GdkEventButton* ev)
+TempoDialog::bpm_button_release (GdkEventButton*)
 {	
 	/* the value has been modified, accept should work now */
 
@@ -196,7 +196,7 @@ TempoDialog::bpm_button_release (GdkEventButton* ev)
 }
 
 bool
-TempoDialog::entry_key_release (GdkEventKey* ev)
+TempoDialog::entry_key_release (GdkEventKey*)
 {	
 	if (when_beat_entry.get_text() != "" && when_bar_entry.get_text() != "") {
 	        set_response_sensitive (RESPONSE_ACCEPT, true);
@@ -425,7 +425,7 @@ MeterDialog::entry_key_press (GdkEventKey* ev)
 }
 
 bool
-MeterDialog::entry_key_release (GdkEventKey* ev)
+MeterDialog::entry_key_release (GdkEventKey*)
 {
         if (when_bar_entry.get_text() != "" && bpb_entry.get_text() != "") {
 	        set_response_sensitive (RESPONSE_ACCEPT, true);
diff --git a/gtk2_ardour/theme_manager.cc b/gtk2_ardour/theme_manager.cc
index 70f249c1c6..6b574588b6 100644
--- a/gtk2_ardour/theme_manager.cc
+++ b/gtk2_ardour/theme_manager.cc
@@ -106,7 +106,7 @@ ThemeManager::~ThemeManager()
 }
 
 int
-ThemeManager::save (string path)
+ThemeManager::save (string /*path*/)
 {
 	return 0;
 }
diff --git a/gtk2_ardour/time_axis_view.cc b/gtk2_ardour/time_axis_view.cc
index 0ed3458d80..b0618fdb02 100644
--- a/gtk2_ardour/time_axis_view.cc
+++ b/gtk2_ardour/time_axis_view.cc
@@ -74,7 +74,7 @@ uint32_t TimeAxisView::hSmall = 0;
 bool TimeAxisView::need_size_info = true;
 int const TimeAxisView::_max_order = 512;
 
-TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas) 
+TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& /*canvas*/) 
 	: AxisView (sess), 
 	  controls_table (2, 8),
 	  _y_position (0),
@@ -498,7 +498,7 @@ TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 }
 
 bool
-TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
+TimeAxisView::name_entry_focus_in (GdkEventFocus*)
 {
 	name_entry.select_region (0, -1);
 	name_entry.set_name ("EditorActiveTrackNameDisplay");
@@ -506,7 +506,7 @@ TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
 }
 
 bool
-TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
+TimeAxisView::name_entry_focus_out (GdkEventFocus*)
 {
 	/* clean up */
 
@@ -903,13 +903,13 @@ TimeAxisView::remove_child (boost::shared_ptr<TimeAxisView> child)
 }
 
 void
-TimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& result)
+TimeAxisView::get_selectables (nframes_t /*start*/, nframes_t /*end*/, double /*top*/, double /*bot*/, list<Selectable*>& /*result*/)
 {
 	return;
 }
 
 void
-TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
+TimeAxisView::get_inverted_selectables (Selection& /*sel*/, list<Selectable*>& /*result*/)
 {
 	return;
 }
@@ -1282,7 +1282,7 @@ TimeAxisView::resizer_button_press (GdkEventButton* event)
 }
 
 bool
-TimeAxisView::resizer_button_release (GdkEventButton* ev)
+TimeAxisView::resizer_button_release (GdkEventButton*)
 {
 	_resize_drag_start = -1;
 	return true;
diff --git a/gtk2_ardour/time_axis_view.h b/gtk2_ardour/time_axis_view.h
index 486dc6404d..0589385762 100644
--- a/gtk2_ardour/time_axis_view.h
+++ b/gtk2_ardour/time_axis_view.h
@@ -182,12 +182,12 @@ class TimeAxisView : public virtual AxisView, public PBD::Stateful
 	/* editing operations */
 	
 	virtual bool cut_copy_clear (Selection&, Editing::CutCopyOp) { return false; }
-	virtual bool paste (nframes_t, float times, Selection&, size_t nth) { return false; }
+	virtual bool paste (nframes_t, float /*times*/, Selection&, size_t /*nth*/) { return false; }
 	
 	virtual void set_selected_regionviews (RegionSelection&) {}
 	virtual void set_selected_points (PointSelection&) {}
 
-	virtual boost::shared_ptr<ARDOUR::Region> find_next_region (nframes_t pos, ARDOUR::RegionPoint, int32_t dir) {
+	virtual boost::shared_ptr<ARDOUR::Region> find_next_region (nframes_t /*pos*/, ARDOUR::RegionPoint, int32_t /*dir*/) {
 		return boost::shared_ptr<ARDOUR::Region> ();
 	}
 
@@ -210,7 +210,7 @@ class TimeAxisView : public virtual AxisView, public PBD::Stateful
 
 	/* call this on the parent */
 
-	virtual XMLNode* get_automation_child_xml_node (Evoral::Parameter param) { return 0; }
+	virtual XMLNode* get_automation_child_xml_node (Evoral::Parameter /*param*/) { return 0; }
 
 	virtual LayerDisplay layer_display () const { return Overlaid; }
 	virtual StreamView* view () const { return 0; }
@@ -268,7 +268,7 @@ class TimeAxisView : public virtual AxisView, public PBD::Stateful
 
 	/** Do whatever needs to be done to dynamically reset the LHS control menu.
 	 */
-	virtual bool handle_display_menu_map_event (GdkEventAny *ev) { return false; }
+	virtual bool handle_display_menu_map_event (GdkEventAny * /*ev*/) { return false; }
 
 	/** Build the standard LHS control size menu for the default heights options.
 	 */
diff --git a/gtk2_ardour/time_axis_view_item.cc b/gtk2_ardour/time_axis_view_item.cc
index ed31104376..db141a9f01 100644
--- a/gtk2_ardour/time_axis_view_item.cc
+++ b/gtk2_ardour/time_axis_view_item.cc
@@ -406,9 +406,9 @@ TimeAxisViewItem::get_position_locked() const
  * @param src the identity of the object that initiated the change
  */
 void
-TimeAxisViewItem::set_max_duration_active(bool active, void* src)
+TimeAxisViewItem::set_max_duration_active (bool active, void* /*src*/)
 {
-	max_duration_active = active ;
+	max_duration_active = active;
 }
 		
 /**
@@ -429,7 +429,7 @@ TimeAxisViewItem::get_max_duration_active() const
  * @param src the identity of the object that initiated the change
  */
 void
-TimeAxisViewItem::set_min_duration_active(bool active, void* src)
+TimeAxisViewItem::set_min_duration_active (bool active, void* /*src*/)
 {
 	min_duration_active = active ;
 }
@@ -895,7 +895,7 @@ TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
 }
 
 void
-TimeAxisViewItem::reset_name_width (double pixel_width)
+TimeAxisViewItem::reset_name_width (double /*pixel_width*/)
 {
 	set_name_text (item_name);
 }
diff --git a/gtk2_ardour/time_fx_dialog.cc b/gtk2_ardour/time_fx_dialog.cc
index a7c7d6ee60..b0536a26b6 100644
--- a/gtk2_ardour/time_fx_dialog.cc
+++ b/gtk2_ardour/time_fx_dialog.cc
@@ -206,7 +206,7 @@ TimeFXDialog::cancel_in_progress ()
 }
 
 gint
-TimeFXDialog::delete_in_progress (GdkEventAny* ev)
+TimeFXDialog::delete_in_progress (GdkEventAny*)
 {
 	status = -2;
 	request.cancel = true;
diff --git a/gtk2_ardour/utils.cc b/gtk2_ardour/utils.cc
index 213cc02d4a..df922c2d62 100644
--- a/gtk2_ardour/utils.cc
+++ b/gtk2_ardour/utils.cc
@@ -165,7 +165,7 @@ add_item_with_sensitivity (Menu_Helpers::MenuList& m, Menu_Helpers::MenuElem e,
 
 
 gint
-just_hide_it (GdkEventAny *ev, Gtk::Window *win)
+just_hide_it (GdkEventAny */*ev*/, Gtk::Window *win)
 {
 	win->hide ();
 	return 0;
@@ -285,7 +285,7 @@ xpm2rgba (const char** xpm, uint32_t& w, uint32_t& h)
 }
 
 ArdourCanvas::Points*
-get_canvas_points (string who, uint32_t npoints)
+get_canvas_points (string /*who*/, uint32_t npoints)
 {
 	// cerr << who << ": wants " << npoints << " canvas points" << endl;
 #ifdef TRAP_EXCESSIVE_POINT_REQUESTS