add export control to libgtkmm2ext

[ardour.git] / libs / gtkmm2ext / gtkmm2ext / window_title.h

diff --git a/libs/gtkmm2ext/gtkmm2ext/window_title.h b/libs/gtkmm2ext/gtkmm2ext/window_title.h
index 62a131c096c4df8d329b172d4d585b84e1f97207..819839a7df5ff9b7b424c8f6c5870e6403e633a1 100644 (file)
--- a/libs/gtkmm2ext/gtkmm2ext/window_title.h
+++ b/libs/gtkmm2ext/gtkmm2ext/window_title.h
@@ -22,6 +22,8 @@
 
 #include <string>
 
+#include "gtkmm2ext/visibility.h"
+
 namespace Gtkmm2ext {
 
 /**
@@ -31,7 +33,7 @@ namespace Gtkmm2ext {
  * Each string element that is added to the window title will
  * be separated by a hyphen.
  */
-class WindowTitle
+class LIBGTKMM2EXT_API WindowTitle
 {
 public: