diff -rupN --no-dereference OpenSceneGraph-OpenSceneGraph-3.6.5/examples/CMakeLists.txt OpenSceneGraph-OpenSceneGraph-3.6.5-new/examples/CMakeLists.txt
--- OpenSceneGraph-OpenSceneGraph-3.6.5/examples/CMakeLists.txt	2020-01-31 12:03:07.000000000 +0100
+++ OpenSceneGraph-OpenSceneGraph-3.6.5-new/examples/CMakeLists.txt	2021-11-13 21:34:02.524773210 +0100
@@ -205,11 +205,9 @@ IF(DYNAMIC_OPENSCENEGRAPH)
         ADD_SUBDIRECTORY(osgviewerFOX)
     ENDIF(FOX_FOUND)
 
-    IF   (wxWidgets_FOUND AND CMAKE_BUILD_TYPE)
-        IF (${CMAKE_BUILD_TYPE} STREQUAL "Release")
+    IF   (wxWidgets_FOUND)
             ADD_SUBDIRECTORY(osgviewerWX)
-        ENDIF()
-    ENDIF()
+    ENDIF(wxWidgets_FOUND)
 
     IF   (FLTK_FOUND AND FLTK_GL_LIBRARY)
         ADD_SUBDIRECTORY(osgviewerFLTK)