Index: tools/CMakeLists.txt
===================================================================
--- tools/CMakeLists.txt	(revision 135908)
+++ tools/CMakeLists.txt	(working copy)
@@ -65,4 +65,8 @@
   endif()
 endif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/clang/CMakeLists.txt )
 
+if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/cling/CMakeLists.txt )
+  add_subdirectory( ${CMAKE_CURRENT_SOURCE_DIR}/cling )
+endif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/cling/CMakeLists.txt )
+
 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)