go:
	mkdir -p save-dir-pypy save-dir-cpython-2.6 save-dir-cpython-3.1
	find $$(pwd)/to-be-saved -name .svn -prune -o -print0 | (export dir=$$(pwd)/save-dir-cpython-2.6; cd ../..; /usr/local/cpython-2.6/bin/python ./backshift --save-directory "$$dir" --backup)
	find $$(pwd)/to-be-saved -name .svn -prune -o -print0 | (export dir=$$(pwd)/save-dir-cpython-3.1; cd ../..; time /usr/local/cpython-3.1/bin/python3 ./backshift --save-directory "$$dir" --backup)
	find $$(pwd)/to-be-saved -name .svn -prune -o -print0 | (export dir=$$(pwd)/save-dir-pypy; cd ../..; ./this-pypy ./backshift --save-directory "$$dir" --backup)
	../compare-data save-dir-pypy save-dir-cpython-2.6
	../compare-data save-dir-pypy save-dir-cpython-3.1

clean:
	rm -rf save-dir-*