code: def configure(self, ext):
          
          ext.include_dirs += self.include_dirs
          ext.library_dirs += self.library_dirs
          ext.libraries += self.libraries
          ext.extra_compile_args += self.extra_compile_args
          ext.extra_link_args += self.extra_link_args
          ext.extra_objects += self.extra_objects
docs: Configures the given Extension object using this build configuration.