add export control to libevoral

1 files changed, 6 insertions, 3 deletions

diff --git a/libs/evoral/evoral/types.hpp b/libs/evoral/evoral/types.hpp
index 000b79bb94..7259a5c0de 100644
--- a/libs/evoral/evoral/types.hpp
+++ b/libs/evoral/evoral/types.hpp
@@ -26,6 +26,8 @@
 
 #include "pbd/debug.h"
 
+#include "evoral/visibility.h"
+
 namespace Evoral {
 
 /** ID of an event (note or other). This must be operable on by glib
@@ -35,6 +37,7 @@ typedef int32_t event_id_t;
 
 /** Musical time: beats relative to some defined origin */
 typedef double MusicalTime;
+
 const MusicalTime MaxMusicalTime = DBL_MAX;
 const MusicalTime MinMusicalTime = DBL_MIN;
 
@@ -77,9 +80,9 @@ typedef uint32_t EventType;
 
 namespace PBD {
 	namespace DEBUG {
-		extern uint64_t Sequence;
-		extern uint64_t Note;
-		extern uint64_t ControlList;
+		LIBEVORAL_API extern uint64_t Sequence;
+		LIBEVORAL_API extern uint64_t Note;
+		LIBEVORAL_API extern uint64_t ControlList;
 	}
 }