diff --git a/FL/Fl_Blink_Button.H b/FL/Fl_Blink_Button.H
index 90f2ed2..629926d 100644
--- a/FL/Fl_Blink_Button.H
+++ b/FL/Fl_Blink_Button.H
@@ -26,7 +26,7 @@
 class Fl_Blink_Button : public Fl_Button
 {
     bool _on;
-    float _blink_interval;
+    int _blink_interval;
     bool _blinking;
 
     static void
@@ -38,7 +38,7 @@ class Fl_Blink_Button : public Fl_Button
     void
     update_cb ( void )
         {
-            Fl::repeat_timeout( _blink_interval, update_cb, this );
+            Fl::repeat_timeout( _blink_interval / 1000, update_cb, this );
 
             _on = ! _on;
 
@@ -47,10 +47,13 @@ class Fl_Blink_Button : public Fl_Button
     
 public:
 
-    static const float SLOW = 0.5f;
-    static const float MEDIUM = 0.3f;
-    static const float FAST = 0.1f;
-    static const float DEFAULT = 0.5f;
+    enum 
+    {
+        SLOW=500,
+        MEDIUM=300,
+        FAST=100,
+        DEFAULT=500
+    };
 
     Fl_Blink_Button ( int X, int Y, int W, int H, const char *L )
         : Fl_Button( X, Y, W, H, L )
@@ -85,11 +88,11 @@ public:
     void
     blink_interval ( float v )
         {
-            _blink_interval = v;
+            _blink_interval = v * 1000;
             if ( value() )
             {
                 Fl::remove_timeout( update_cb, this );
-                Fl::add_timeout( _blink_interval, update_cb, this );
+                Fl::add_timeout( _blink_interval / 1000, update_cb, this );
             }
         }
 
@@ -98,7 +101,7 @@ public:
             if ( v )
             {
                 if ( _blinking )
-                    Fl::add_timeout( _blink_interval, update_cb, this );
+                    Fl::add_timeout( _blink_interval / 1000, update_cb, this );
                 Fl_Button::value( v );
                 redraw();
             }
diff --git a/mixer/src/Chain.C b/mixer/src/Chain.C
index a0de9bf..d160fb8 100644
--- a/mixer/src/Chain.C
+++ b/mixer/src/Chain.C
@@ -221,7 +221,7 @@ Chain::set ( Log_Entry &e )
 
 
 void
-Chain::log_children ( void )
+Chain::log_children ( void ) const
 {
     log_create();
 
diff --git a/mixer/src/Chain.H b/mixer/src/Chain.H
index 1832749..502964b 100644
--- a/mixer/src/Chain.H
+++ b/mixer/src/Chain.H
@@ -122,7 +122,7 @@ public:
 
     Fl_Callback * configure_outputs_callback ( void ) const { return _configure_outputs_callback; }
 
-    void log_children ( void );
+    virtual void log_children ( void ) const;
 
     static unsigned int maximum_name_length ( void );
 
diff --git a/mixer/src/Mixer_Strip.C b/mixer/src/Mixer_Strip.C
index 0b2c440..e34fa76 100644
--- a/mixer/src/Mixer_Strip.C
+++ b/mixer/src/Mixer_Strip.C
@@ -160,7 +160,7 @@ Mixer_Strip::set ( Log_Entry &e )
 }
 
 void
-Mixer_Strip::log_children ( void )
+Mixer_Strip::log_children ( void ) const
 {
     log_create();
 
diff --git a/mixer/src/Mixer_Strip.H b/mixer/src/Mixer_Strip.H
index 06b9768..7b3f7dc 100644
--- a/mixer/src/Mixer_Strip.H
+++ b/mixer/src/Mixer_Strip.H
@@ -61,7 +61,7 @@ public:
 
     void chain ( Chain *c );
 
-    void log_children ( void );
+    virtual void log_children ( void ) const;
 
     virtual void color ( Fl_Color c );
     virtual Fl_Color color ( void ) const;
diff --git a/nonlib/Loggable.C b/nonlib/Loggable.C
index 3c6c009..b0edbe5 100644
--- a/nonlib/Loggable.C
+++ b/nonlib/Loggable.C
@@ -380,7 +380,8 @@ Loggable::do_this ( const char *s, bool reverse )
 
     int found = sscanf( s, "%s %X %s ", classname, &id, command );
 
-    ASSERT( 3 == found,  "Invalid journal entry format \"%s\"", s );
+    if ( 3 != found )
+        FATAL( "Invalid journal entry format \"%s\"", s );
 
     const char *create, *destroy;
 
diff --git a/nonlib/Loggable.H b/nonlib/Loggable.H
index 84aa242..e2f379c 100644
--- a/nonlib/Loggable.H
+++ b/nonlib/Loggable.H
@@ -42,7 +42,7 @@ class Loggable;
 typedef Loggable *(create_func)(Log_Entry &, unsigned int id);
 
 #define LOG_REGISTER_CREATE( class ) \
-    Loggable::register_create( #class, & class ::create  );
+    Loggable::register_create( #class, & class ::create  )
 
 #define LOG_NAME_FUNC( class ) \
     virtual const char *class_name ( void ) const { return #class ; }
@@ -56,7 +56,7 @@ typedef Loggable *(create_func)(Log_Entry &, unsigned int id);
         r->set( e );                            \
         return (Loggable *)r;                   \
     }                                           \
-    LOG_NAME_FUNC( class );
+    LOG_NAME_FUNC( class )
 
 
 #define LOG_NOT_LOGGABLE_FUNC( class ) \
diff --git a/nonlib/OSC/Endpoint.C b/nonlib/OSC/Endpoint.C
index de2e7be..d0af9cc 100644
--- a/nonlib/OSC/Endpoint.C
+++ b/nonlib/OSC/Endpoint.C
@@ -134,7 +134,7 @@ namespace OSC
     char *
     Signal::get_output_connection_peer_name_and_path ( int n )
     {
-        Signal *t;
+        Signal *t = NULL;
 
         int j = 0;
         for ( std::list<Signal*>::const_iterator i = _outgoing.begin();
@@ -150,10 +150,15 @@ namespace OSC
 
 //        Signal *s = get_peer_signal_by_id( t->_peer, t->signal_id );
 
-        char *r;
-        asprintf( &r, "%s:%s", t->_peer->name, t->path() );
+        if ( t )
+        {
+            char *r;
+            asprintf( &r, "%s:%s", t->_peer->name, t->path() );
 
-        return r;
+            return r;
+        }
+        else
+            return NULL;
     }
 
 
diff --git a/nonlib/OSC/Endpoint.H b/nonlib/OSC/Endpoint.H
index 3421861..ab2d984 100644
--- a/nonlib/OSC/Endpoint.H
+++ b/nonlib/OSC/Endpoint.H
@@ -365,7 +365,7 @@ namespace OSC
         friend void Signal::rename ( const char *name );
     };
 
-};
+}
 
 /* helper macros for defining OSC handlers */
 /* #define OSC_NAME( name ) osc_ ## name */
diff --git a/nonlib/debug.h b/nonlib/debug.h
index ee490eb..d125246 100644
--- a/nonlib/debug.h
+++ b/nonlib/debug.h
@@ -101,7 +101,7 @@ warnf ( warning_t level,
 #else
 #define DMESSAGE( fmt, args... )
 #define DWARNING( fmt, args... )
-#define ASSERT( pred, fmt, args... )
+#define ASSERT( pred, fmt, args... ) (void)(pred)
 #endif
 
 /* these are always defined */
diff --git a/timeline/src/Audio_Region.C b/timeline/src/Audio_Region.C
index befd05b..aa8b6df 100644
--- a/timeline/src/Audio_Region.C
+++ b/timeline/src/Audio_Region.C
@@ -515,7 +515,7 @@ Audio_Region::draw ( void )
     /* overdraw a little to avoid artifacts when scrolling */
     W += 2;
 
-    Fl_Color c = selected() ? fl_invert_color( _color ) : _color;
+//    Fl_Color c = selected() ? fl_invert_color( _color ) : _color;
 
     if ( sequence()->damage() & FL_DAMAGE_USER1 && 
          recording() )
@@ -740,7 +740,7 @@ Audio_Region::split ( nframes_t where )
 int
 Audio_Region::handle ( int m )
 {
-    static int ox, oy;
+    static int ox;
 
     static bool copied = false;
     static nframes_t os;
@@ -802,7 +802,6 @@ Audio_Region::handle ( int m )
             else
             {
                 ox = x() - X;
-                oy = y() - Y;
                 /* for panning */
                 os = _r->offset;
 
@@ -855,8 +854,6 @@ Audio_Region::handle ( int m )
                 /* panning */
                 int d = (ox + X) - x();
 
-                bool negative = d < 0;
-
                 if ( d < 0 )
                     _r->offset = os + timeline->x_to_ts( 0 - d );
                 else
diff --git a/timeline/src/Audio_Region.H b/timeline/src/Audio_Region.H
index 07ac34b..8357da5 100644
--- a/timeline/src/Audio_Region.H
+++ b/timeline/src/Audio_Region.H
@@ -119,13 +119,13 @@ protected:
     virtual void get ( Log_Entry &e ) const;
     virtual void set ( Log_Entry &e );
 
-    void draw_label ( const char *label, Fl_Align align )
+    virtual void draw_label ( const char *label, Fl_Align align, Fl_Color color=(Fl_Color)0, int xo=0, int yo=0 )
         {
             Sequence_Widget::draw_label( label, align );
         }
+    virtual void draw_label ( void );
 
     int handle ( int m );
-    void draw_label ( void );
     void draw_box ( void );
     void draw ( void );
     void resize ( void );
diff --git a/timeline/src/Control_Sequence.C b/timeline/src/Control_Sequence.C
index 7904d89..1cd281d 100644
--- a/timeline/src/Control_Sequence.C
+++ b/timeline/src/Control_Sequence.C
@@ -305,7 +305,7 @@ Control_Sequence::draw ( void )
     bool active = active_r();
 
     const Fl_Color color = active ? this->color() : fl_inactive( this->color() );
-    const Fl_Color selection_color = active ? this->selection_color() : fl_inactive( this->selection_color() );
+//    const Fl_Color selection_color = active ? this->selection_color() : fl_inactive( this->selection_color() );
 
     fl_rectf( X, Y, W, H, fl_color_average( FL_WHITE, FL_BACKGROUND_COLOR, 0.3 ) );
     
diff --git a/timeline/src/NSM.C b/timeline/src/NSM.C
index af0ee08..8613f84 100644
--- a/timeline/src/NSM.C
+++ b/timeline/src/NSM.C
@@ -96,7 +96,7 @@ command_session_is_loaded ( void *userdata )
 static int
 command_broadcast ( const char *path, lo_message msg, void *userdata )
 {
-    int argc = lo_message_get_argc( msg );
+     lo_message_get_argc( msg );
 //    lo_arg **argv = lo_message_get_argv( msg );
 
     if ( !strcmp( path, "/non/hello" ) )
diff --git a/timeline/src/Sequence.H b/timeline/src/Sequence.H
index 4e6c0ef..efddd92 100644
--- a/timeline/src/Sequence.H
+++ b/timeline/src/Sequence.H
@@ -126,6 +126,7 @@ public:
     virtual Sequence * clone ( void )
         {
             assert( 0 );
+            return NULL;
         }
 
     virtual Sequence * clone_empty ( void )
diff --git a/timeline/src/Sequence_Region.C b/timeline/src/Sequence_Region.C
index 8f8bc5d..371fab7 100644
--- a/timeline/src/Sequence_Region.C
+++ b/timeline/src/Sequence_Region.C
@@ -145,8 +145,6 @@ Sequence_Region::handle ( int m )
 {
     static enum trim_e trimming;
 
-    static bool copied = false;
-
     int X = Fl::event_x();
     int Y = Fl::event_y();
 
@@ -207,7 +205,6 @@ Sequence_Region::handle ( int m )
         {
             Sequence_Widget::handle( m );
 
-            copied = false;
             if ( trimming != NO )
                 trimming = NO;
 
@@ -259,7 +256,7 @@ Sequence_Region::draw ( void )
 }
 
 void
-Sequence_Region::draw_label ( const char *label, Fl_Align align )
+Sequence_Region::draw_label ( const char *label, Fl_Align align, Fl_Color color, int xo, int yo )
 {
     fl_color( FL_WHITE );
     fl_font( FL_HELVETICA_ITALIC, 10 );
diff --git a/timeline/src/Sequence_Region.H b/timeline/src/Sequence_Region.H
index 1c2d818..8be8b81 100644
--- a/timeline/src/Sequence_Region.H
+++ b/timeline/src/Sequence_Region.H
@@ -41,7 +41,8 @@ protected:
     virtual int handle ( int m );
     virtual void draw_box( void );
     virtual void draw ( void );
-    virtual void draw_label ( const char *label, Fl_Align align );
+    virtual void draw_label ( void ) { Sequence_Widget::draw_label(); }
+    virtual void draw_label ( const char *label, Fl_Align align, Fl_Color color=(Fl_Color)0, int xo=0, int yo=0 );
 
 public:
 
diff --git a/timeline/src/Sequence_Widget.H b/timeline/src/Sequence_Widget.H
index ff4e335..1f9ee85 100644
--- a/timeline/src/Sequence_Widget.H
+++ b/timeline/src/Sequence_Widget.H
@@ -309,6 +309,7 @@ public:
     virtual void draw_box ( void );
     virtual void draw ( void );
     virtual void draw_label ( void );
+    virtual void draw_label ( const char *label, Fl_Align align, Fl_Color color=(Fl_Color)0, int xo=0, int yo=0 );
 
     bool
     operator< ( const Sequence_Widget & rhs ) const
@@ -322,7 +323,6 @@ public:
             return _r->start <= rhs._r->start;
         }
 
-    virtual void draw_label ( const char *label, Fl_Align align, Fl_Color color=(Fl_Color)0, int xo=0, int yo=0 );
     virtual int handle ( int m );
 
     static bool
diff --git a/timeline/src/Timeline.C b/timeline/src/Timeline.C
index c12b4ca..033ff13 100644
--- a/timeline/src/Timeline.C
+++ b/timeline/src/Timeline.C
@@ -155,7 +155,6 @@ protected:
     void
     draw_background ( int X, int Y,int W, int H )
         {
-            nframes_t sf = 0;
             nframes_t ef = timeline->length();
             
             double ty = Y;
@@ -311,8 +310,6 @@ Timeline::cb_scroll ( Fl_Widget *w )
 
         _fpp = panzoomer->zoom();
 
-        const int tw = tracks->w() - Track::width();
-
         panzoomer->x_value( ts_to_x( under_mouse ) );
 
         redraw();
@@ -532,7 +529,7 @@ Timeline::menu_cb ( Fl_Menu_ *m )
         {
             Loggable::block_start();
 
-            Cursor_Region *o = new Cursor_Region( range_start(), range_end() - range_start(), "Punch", NULL );
+            new Cursor_Region( range_start(), range_end() - range_start(), "Punch", NULL );
             reset_range();
 
             Loggable::block_end();
@@ -553,7 +550,7 @@ Timeline::menu_cb ( Fl_Menu_ *m )
             }
             else
             {
-                Cursor_Region *o = new Cursor_Region( range_start(), range_end() - range_start(), "Playback", NULL );
+                new Cursor_Region( range_start(), range_end() - range_start(), "Playback", NULL );
             }
 
             reset_range();
@@ -1373,7 +1370,7 @@ Timeline::draw_playhead ( void )
 void
 Timeline::redraw_playhead ( void )
 {
-    static nframes_t last_playhead = -1;
+//    static nframes_t last_playhead = -1;
     static int last_playhead_x = -1;
 
     /* FIXME: kind of a hackish way to invoke punch / looping stuff from the UI thread... */
@@ -1439,7 +1436,7 @@ Timeline::redraw_playhead ( void )
     if ( last_playhead_x != playhead_x )
     {
         redraw_overlay();
-        last_playhead = transport->frame;
+//        last_playhead = transport->frame;
         last_playhead_x = playhead_x;
 
         if ( follow_playhead )
diff --git a/timeline/src/Timeline.H b/timeline/src/Timeline.H
index de66322..976609d 100644
--- a/timeline/src/Timeline.H
+++ b/timeline/src/Timeline.H
@@ -102,7 +102,7 @@ class Timeline : public Fl_Single_Window, public RWLock
 
     static void draw_clip ( void * v, int X, int Y, int W, int H );
  
-    int _old_xposition;
+    nframes_t _old_xposition;
     int _old_yposition;
 
     Rectangle _selection;
diff --git a/timeline/src/Track.C b/timeline/src/Track.C
index 78a847f..f5cf191 100644
--- a/timeline/src/Track.C
+++ b/timeline/src/Track.C
@@ -865,13 +865,10 @@ Track::draw ( void )
     
     fl_clip_box( x(), y(), w(), h(), X, Y, W, H );
 
-    Fl_Color saved_color;
+    Fl_Color saved_color = color();
 
     if ( ! Track::colored_tracks )
-    {
-        saved_color = color();
         color( FL_GRAY );
-    }
 
     if ( _selected )
     {
diff --git a/timeline/src/Waveform.C b/timeline/src/Waveform.C
index 5a683e9..018c973 100644
--- a/timeline/src/Waveform.C
+++ b/timeline/src/Waveform.C
@@ -122,8 +122,6 @@ Waveform::draw ( int X, int Y, int W, int H,
 
         fl_begin_line();
 
-        unsigned long end = start + W;
-
         j = start;
 
         for ( int x = X; x < X + W; x++, j += skip  )