code: def built(self):
          
  
          SCons.Node.Node.built(self)
  
          if (not SCons.Node.interactive and
              not hasattr(self.attributes, 'keep_targetinfo')):
              # Ensure that the build infos get computed and cached...
              SCons.Node.store_info_map[self.store_info](self)
              # ... then release some more variables.
              self._specific_sources = False
              self._labspath = None
              self._save_str()
              self.cwd = None
  
              self.scanner_paths = None
docs: Called just after this File node is successfully built.
  
           Just like for 'release_target_info' we try to release
           some more target node attributes in order to minimize the
           overall memory consumption.
  
           @see: release_target_info