cmake: clean python project

bindings/python/CMakeLists.txt

@@ -30,6 +30,16 @@ MACRO(SYMLINK_AND_INSTALL_HEADERS HEADERS SUBPATH)
   ENDFOREACH(header)
 ENDMACRO(SYMLINK_AND_INSTALL_HEADERS HEADERS SUBPATH)
 
+FUNCTION(REMOVE_PATH_FROM_LIST list_name path_name dest_list)
+  SET(list_name_)
+  FOREACH(header ${list_name})
+    STRING(REGEX REPLACE "${path_name}" "" header ${header}) 
+    LIST(APPEND list_name_ ${header})
+  ENDFOREACH(header ${list_name_})
+  SET(${dest_list} ${list_name_} PARENT_SCOPE)
+ENDFUNCTION(REMOVE_PATH_FROM_LIST)
+
+
 # --- PYTHON TARGET --- #
 ADD_CUSTOM_TARGET(python)
 SET_TARGET_PROPERTIES(python PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD True)
@@ -80,12 +90,8 @@ IF(NOT HPP_FCL_FOUND)
     )
 ENDIF(NOT HPP_FCL_FOUND)
 
-SET(${PROJECT_NAME}_PYTHON_HEADERS_)
-FOREACH(header ${${PROJECT_NAME}_PYTHON_HEADERS})
-  STRING(REGEX REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" header ${header}) 
-  LIST(APPEND ${PROJECT_NAME}_PYTHON_HEADERS_ ${header})
-ENDFOREACH(header ${${PROJECT_NAME}_PYTHON_HEADERS})
-SET(${PROJECT_NAME}_PYTHON_HEADERS ${${PROJECT_NAME}_PYTHON_HEADERS_})
+REMOVE_PATH_FROM_LIST("${${PROJECT_NAME}_PYTHON_HEADERS}" "${CMAKE_CURRENT_SOURCE_DIR}/" ${PROJECT_NAME}_PYTHON_HEADERS)
+REMOVE_PATH_FROM_LIST("${${PROJECT_NAME}_PYTHON_SOURCES}" "${CMAKE_CURRENT_SOURCE_DIR}/" ${PROJECT_NAME}_PYTHON_SOURCES)
 LIST(APPEND HEADERS ${${PROJECT_NAME}_PYTHON_HEADERS})
 
 # Headers of the python binding