+if ardour['RUBBERBAND']:
+ ardour.Merge ([ libraries['rubberband']])
+ timefx_sources += [ 'rb_effect.cc' ]
+else:
+ ardour.Merge ([ libraries['soundtouch'] ])
+ timefx_sources += [ 'st_stretch.cc', 'st_pitch.cc' ]
+
+if ardour['LV2']:
+ ardour.Merge ([ libraries['slv2'] ])