dylan-lang/opendylan — pull request #326 by waywardmonkeys (2012-09-13 04:12:18+00:00)
Title: Detect out of date submodules.

We regularly have people with build issues due to missing or out
of date submodules. This will help us detect this during the build
process and alert them to the situation along with a note about
how to fix it.

Fixes #265.