541     def dockerfile_dir(self):  member in CLanguage
609     def dockerfile_dir(self):  member in RemoteNodeLanguage
649     def dockerfile_dir(self):  member in PhpLanguage
689     def dockerfile_dir(self):  member in Php7Language
764     def dockerfile_dir(self):  member in PythonLanguage
954     def dockerfile_dir(self):  member in RubyLanguage
1072     def dockerfile_dir(self):  member in CSharpLanguage
1242     def dockerfile_dir(self):  member in ObjCLanguage
1294     def dockerfile_dir(self):  member in Sanity
1655     dockerfile_dirs = set([l.dockerfile_dir() for l in languages])
1661         dockerfile_dir = next(iter(dockerfile_dirs))  variable
1669     env['DOCKERFILE_DIR'] = dockerfile_dir