#include <boost/shared_ptr.hpp>
+#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
namespace ARDOUR
class ExportChannel;
class ExportTempFile;
-class ExportTimespan
+class LIBARDOUR_API ExportTimespan
{
private:
typedef boost::shared_ptr<ExportStatus> ExportStatusPtr;