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-rw-r--r--libs/pbd/pbd/stateful.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libs/pbd/pbd/stateful.h b/libs/pbd/pbd/stateful.h
index 4808bc2911..ab09b7aa84 100644
--- a/libs/pbd/pbd/stateful.h
+++ b/libs/pbd/pbd/stateful.h
@@ -24,6 +24,7 @@
#include <list>
#include <cassert>
+#include "pbd/libpbd_visibility.h"
#include "pbd/id.h"
#include "pbd/xml++.h"
#include "pbd/property_basics.h"
@@ -41,7 +42,7 @@ class PropertyList;
class OwnedPropertyList;
/** Base class for objects with saveable and undoable state */
-class Stateful {
+class LIBPBD_API Stateful {
public:
Stateful ();
virtual ~Stateful();