diff --git a/SConstruct b/SConstruct
index fe58152877..23cdbce81e 100644
--- a/SConstruct
+++ b/SConstruct
@@ -403,6 +403,29 @@ else:
         os.remove('.personal_use_only')
 
 
+####################
+# push environment
+####################
+
+def pushEnvironment(context):
+    if os.environ.has_key('PATH'):
+	context.Append(PATH = os.environ['PATH'])
+	
+    if os.environ.has_key('PKG_CONFIG_PATH'):
+	context.Append(PKG_CONFIG_PATH = os.environ['PKG_CONFIG_PATH'])
+	    
+    if os.environ.has_key('CC'):
+	context['CC'] = os.environ['CC']
+		
+    if os.environ.has_key('CXX'):
+	context['CXX'] = os.environ['CXX']
+
+    if os.environ.has_key('DISTCC_HOSTS'):
+	context['ENV']['DISTCC_HOSTS'] = os.environ['DISTCC_HOSTS']
+	context['ENV']['HOME'] = os.environ['HOME']
+
+pushEnvironment (env)
+
 #######################
 # Dependency Checking #
 #######################
@@ -425,16 +448,16 @@ def DependenciesRequiredMessage():
 	print 'Please consult http://ardour.org/building for more information'
 
 def CheckPKGConfig(context, version):
-     context.Message( 'Checking for pkg-config version >= %s... ' %version )
-     ret = context.TryAction('pkg-config --atleast-pkgconfig-version=%s' % version)[0]
-     context.Result( ret )
-     return ret
+    context.Message( 'Checking for pkg-config version >= %s... ' %version )
+    ret = context.TryAction('pkg-config --atleast-pkgconfig-version=%s' % version)[0]
+    context.Result( ret )
+    return ret
 
 def CheckPKGVersion(context, name, version):
-     context.Message( 'Checking for %s... ' % name )
-     ret = context.TryAction('pkg-config --atleast-version=%s %s' %(version,name) )[0]
-     context.Result( ret )
-     return ret
+    context.Message( 'Checking for %s... ' % name )
+    ret = context.TryAction('pkg-config --atleast-version=%s %s' %(version,name) )[0]
+    context.Result( ret )
+    return ret
 
 def CheckPKGExists(context, name):
     context.Message ('Checking for %s...' % name)
@@ -751,7 +774,7 @@ libraries['vamp'] = LibraryInfo()
 
 env['RUBBERBAND'] = False
 
-conf = libraries['vamp'].Configure (custom_tests = { 'CheckPKGExists' : CheckPKGExists } )
+conf = env.Configure (custom_tests = { 'CheckPKGExists' : CheckPKGExists } )
 
 if conf.CheckPKGExists('vamp-sdk'):
     have_vamp = True
@@ -759,8 +782,6 @@ if conf.CheckPKGExists('vamp-sdk'):
 else:
     have_vamp = False
 
-print "---> WE HAVE VAMP: ", have_vamp
-
 libraries['vamp'] = conf.Finish ()
 
 if have_vamp:
@@ -1091,22 +1112,6 @@ if env['RUBBERBAND']:
 opts.Save('scache.conf', env)
 Help(opts.GenerateHelpText(env))
 
-if os.environ.has_key('PATH'):
-    env.Append(PATH = os.environ['PATH'])
-
-if os.environ.has_key('PKG_CONFIG_PATH'):
-    env.Append(PKG_CONFIG_PATH = os.environ['PKG_CONFIG_PATH'])
-
-if os.environ.has_key('CC'):
-    env['CC'] = os.environ['CC']
-
-if os.environ.has_key('CXX'):
-    env['CXX'] = os.environ['CXX']
-
-if os.environ.has_key('DISTCC_HOSTS'):
-    env['ENV']['DISTCC_HOSTS'] = os.environ['DISTCC_HOSTS']
-    env['ENV']['HOME'] = os.environ['HOME']
-
 final_prefix = '$PREFIX'
 
 if env['DESTDIR'] :
diff --git a/gtk2_ardour/editor_mouse.cc b/gtk2_ardour/editor_mouse.cc
index c6a0426c37..70e37de802 100644
--- a/gtk2_ardour/editor_mouse.cc
+++ b/gtk2_ardour/editor_mouse.cc
@@ -1478,18 +1478,20 @@ Editor::left_automation_track ()
 bool
 Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type, bool from_autoscroll)
 {
-	gint x, y;
-
-	/* We call this so that MOTION_NOTIFY events continue to be
-	   delivered to the canvas. We need to do this because we set
-	   Gdk::POINTER_MOTION_HINT_MASK on the canvas. This reduces
-	   the density of the events, at the expense of a round-trip
-	   to the server. Given that this will mostly occur on cases
-	   where DISPLAY = :0.0, and given the cost of what the motion
-	   event might do, its a good tradeoff.  
-	*/
-
-	track_canvas.get_pointer (x, y);
+	if (event->motion.is_hint) {
+		gint x, y;
+		
+		/* We call this so that MOTION_NOTIFY events continue to be
+		   delivered to the canvas. We need to do this because we set
+		   Gdk::POINTER_MOTION_HINT_MASK on the canvas. This reduces
+		   the density of the events, at the expense of a round-trip
+		   to the server. Given that this will mostly occur on cases
+		   where DISPLAY = :0.0, and given the cost of what the motion
+		   event might do, its a good tradeoff.  
+		*/
+		
+		track_canvas.get_pointer (x, y);
+	}
 
 	if (current_stepping_trackview) {
 		/* don't keep the persistent stepped trackview if the mouse moves */
diff --git a/libs/ardour/playlist.cc b/libs/ardour/playlist.cc
index 2833aa4dcc..344136d2cc 100644
--- a/libs/ardour/playlist.cc
+++ b/libs/ardour/playlist.cc
@@ -1474,7 +1474,7 @@ Playlist::find_next_region_boundary (nframes64_t frame, int dir)
 
 	if (dir > 0) {
 
-		for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
+		for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
 			
 			boost::shared_ptr<Region> r = (*i);
 			nframes64_t distance;
@@ -1511,7 +1511,7 @@ Playlist::find_next_region_boundary (nframes64_t frame, int dir)
 
 	} else {
 
-		for (RegionList::const_reverse_iterator i = regions.rbegin(); i != regions.rend(); ++i) {
+		for (RegionList::reverse_iterator i = regions.rbegin(); i != regions.rend(); ++i) {
 			
 			boost::shared_ptr<Region> r = (*i);
 			nframes64_t distance;
diff --git a/libs/rubberband/SConscript b/libs/rubberband/SConscript
index db5c4cd3f6..2706c976fa 100644
--- a/libs/rubberband/SConscript
+++ b/libs/rubberband/SConscript
@@ -10,7 +10,9 @@ Import('env install_prefix libraries')
 rb = env.Copy()
 
 rb.Merge  ([libraries['fftw3f'], 
+	    libraries['fftw3'],
             libraries['vamp'],
+            libraries['samplerate'],
             libraries['sndfile-ardour']
             ])
 
diff --git a/tools/osx_packaging/osx_build b/tools/osx_packaging/osx_build
index 4843e53bdb..cb4141de16 100755
--- a/tools/osx_packaging/osx_build
+++ b/tools/osx_packaging/osx_build
@@ -8,6 +8,7 @@ SAE=
 WITH_JACK=1
 WITH_LADSPA=1
 STRIP=1
+PRINT_SYSDEPS=
 
 while [ $# -gt 0 ] ; do
     echo "arg = $1"
@@ -16,6 +17,7 @@ while [ $# -gt 0 ] ; do
 	--nojack) WITH_JACK= ; shift ;;
 	--noladpsa) WITH_LADSPA= ; shift ;;
 	--nostrip) STRIP= ; shift ;;
+	--sysdeps) PRINT_SYSDEPS=1; shift ;;
     esac
 done
 
@@ -31,6 +33,20 @@ Plugins=$APPROOT/Plugins
 Shared=$Resources/share
 Etc=$Resources/etc
 
+if [ x$PRINT_SYSDEPS != x ] ; then
+#
+# print system dependencies
+#
+
+    for file in $APPROOT/MacOS/* $Frameworks/* $Frameworks/modules/* $Plugins/*.so ; do 
+	if ! file $file | grep -qs Mach-O ; then
+	    continue
+	fi
+	otool -L $file | awk '{print $1}' | egrep -v "(^@executable_path|^Ardour[0-9][.0-9]*.app)" 
+    done | sort | uniq
+    exit 0
+fi
+
 echo "Removing old Ardour2.app tree ..."
 
 rm -rf Ardour2.app