Index: OpenSceneGraph/trunk/src/osgPlugins/CMakeLists.txt
===================================================================
--- OpenSceneGraph/trunk/src/osgPlugins/CMakeLists.txt (revision 9855)
+++ OpenSceneGraph/trunk/src/osgPlugins/CMakeLists.txt (revision 9880)
@@ -205,4 +205,8 @@
 # ENDIF(OPENAL_FOUND)
 
+IF(APPLE)
+    ADD_SUBDIRECTORY(imageio)
+ENDIF(APPLE)
+
 IF(QUICKTIME_FOUND)
     ADD_SUBDIRECTORY(quicktime)