#include <set>
#include <list>
-#include <sigc++/signal_system.h>
+#include <sigc++/signal.h>
#include <ardour/types.h>
using std::list;
bool operator() (const AudioRegionView* a, const AudioRegionView* b) const;
};
-class AudioRegionSelection : public set<AudioRegionView*, AudioRegionComparator>, public SigC::Object
+class AudioRegionSelection : public set<AudioRegionView*, AudioRegionComparator>, public sigc::trackable
{
public:
AudioRegionSelection();