COMP: Superbuild - Force rebuild of log4qt

CMakeExternals/log4qt.cmake

@@ -17,5 +17,13 @@ IF(${add_project})
           -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
         )
     SET(log4qt_DIR ${ep_install_dir})
+
+    ExternalProject_Add_Step(${proj} force_rebuild
+      COMMENT "Force ${proj} re-build"
+      DEPENDERS build    # Steps that depend on this step
+      ALWAYS 1
+      WORKING_DIRECTORY ${ep_build_dir}/${proj}
+      )
+      
   ENDIF()
 ENDIF()