diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc49d469d..80c8088a7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ message("System TANGO_HOST=$ENV{TANGO_HOST}")
 set(TANGO_HOST $ENV{TANGO_HOST})
 include(configure/CMakeLists.txt)
 
-include_directories(generated)
+include_directories(${PROJECT_BINARY_DIR}/generated)
 include_directories(include)
 #required for generated config.h
 include_directories(${PROJECT_BINARY_DIR}/include)
diff --git a/generated/idl/CMakeLists.txt b/generated/idl/CMakeLists.txt
index 72ee0ae75..c8f50f01a 100644
--- a/generated/idl/CMakeLists.txt
+++ b/generated/idl/CMakeLists.txt
@@ -1,26 +1,9 @@
-message("Generate tango.h, tangoSK.cpp and tangoDybSK.cpp from idl")
-
-execute_process(COMMAND ${OMNIIDL_PATH}omniidl -I${IDL_PKG_INCLUDE_DIRS} -bcxx -Wbh=.h -Wbs=SK.cpp -Wbd=DynSK.cpp -Wba ${IDL_PKG_INCLUDE_DIRS}/tango.idl
-                WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-                RESULT_VARIABLE FAILED)
-
-if(${FAILED})
-    message(SEND_ERROR " Failed to generate source files from idl. rv=${FAILED}")
-endif()
-
-FILE(GLOB ENHANCEMENTS Enhance*)
-
-foreach(ENHANCEMENT ${ENHANCEMENTS})
-    message("Applying enhancement ${ENHANCEMENT}")
-    execute_process(COMMAND sed -i -f ${ENHANCEMENT} tango.h
-                WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-                RESULT_VARIABLE FAILED)
-
-        #non-zero
-    if(${FAILED})
-        message(SEND_ERROR " Failed to apply ${ENHANCEMENT}. rv=${FAILED}")
-    endif()
-endforeach(ENHANCEMENT)
+add_custom_command(
+        OUTPUT tango.h tangoSK.cpp tangoDynSK.cpp
+        COMMAND ${CMAKE_COMMAND} -DOMNIIDL_PATH=${OMNIIDL_PATH} -DIDL_PKG_INCLUDE_DIRS=${IDL_PKG_INCLUDE_DIRS}
+        -DCMAKE_INSTALL_FULL_INCLUDEDIR=${CMAKE_INSTALL_FULL_INCLUDEDIR} -DPATCHES_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR} -P ${CMAKE_CURRENT_SOURCE_DIR}/generate.cmake
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+)
 
 set(SOURCES tangoSK.cpp
         tangoDynSK.cpp)
@@ -28,4 +11,4 @@ set(SOURCES tangoSK.cpp
 add_library(idl_objects OBJECT ${SOURCES} tango.h)
 target_compile_options(idl_objects PRIVATE -fPIC)
 
-install(FILES tango.h DESTINATION "${CMAKE_INSTALL_FULL_INCLUDEDIR}/idl")
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/tango.h DESTINATION "${CMAKE_INSTALL_FULL_INCLUDEDIR}/idl")
\ No newline at end of file
diff --git a/generated/idl/generate.cmake b/generated/idl/generate.cmake
new file mode 100644
index 000000000..017e3a502
--- /dev/null
+++ b/generated/idl/generate.cmake
@@ -0,0 +1,26 @@
+message("Generate tango.h, tangoSK.cpp and tangoDybSK.cpp from idl")
+message("Using OMNIIDL_PATH=${OMNIIDL_PATH}")
+message("Using IDL=${IDL_PKG_INCLUDE_DIRS}")
+
+execute_process(COMMAND ${OMNIIDL_PATH}omniidl -I${IDL_PKG_INCLUDE_DIRS} -bcxx -Wbh=.h -Wbs=SK.cpp -Wbd=DynSK.cpp -Wba ${IDL_PKG_INCLUDE_DIRS}/tango.idl
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+        RESULT_VARIABLE FAILED)
+
+if(${FAILED})
+    message(SEND_ERROR " Failed to generate source files from idl. rv=${FAILED}")
+endif()
+
+message("Using PATCHES_SOURCE_DIR=${PATCHES_SOURCE_DIR}")
+
+FILE(GLOB ENHANCEMENTS ${PATCHES_SOURCE_DIR}/Enhance*)
+
+foreach(ENHANCEMENT ${ENHANCEMENTS})
+    message("Applying enhancement ${ENHANCEMENT}")
+    execute_process(COMMAND sed -i -f ${ENHANCEMENT} tango.h
+            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+            RESULT_VARIABLE FAILED)
+    #non-zero
+    if(${FAILED})
+        message(SEND_ERROR " Failed to apply ${ENHANCEMENT}. rv=${FAILED}")
+    endif()
+endforeach(ENHANCEMENT)
\ No newline at end of file