Merge pull request #10957 from tianon/cleanup-autogen

Cleanup "autogen/" if we have successful build

project/make.sh

@@ -265,6 +265,9 @@ main() {
 		bundle $SCRIPTDIR/make/$bundle
 		echo
 	done
+
+	# if we get all the way through successfully, let's delete our autogenerated code!
+	rm -r autogen
 }
 
 main "$@"