#include "ardour/ardour.h"
#include "ardour/data_type.h"
#include "ardour/session_handle.h"
+#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "ardour/chan_count.h"
#include "ardour/port_manager.h"
class AudioBackend;
class AudioBackendInfo;
-class AudioEngine : public SessionHandlePtr, public PortManager
+class LIBARDOUR_API AudioEngine : public SessionHandlePtr, public PortManager
{
public: