+lazy-extractors: youtube_dl/extractor/lazy_extractors.py
+
+_EXTRACTOR_FILES != find youtube_dl/extractor -iname '*.py' -and -not -iname 'lazy_extractors.py'
+youtube_dl/extractor/lazy_extractors.py: devscripts/make_lazy_extractors.py devscripts/lazy_load_template.py $(_EXTRACTOR_FILES)
+ $(PYTHON) devscripts/make_lazy_extractors.py $@
+