We should expand the fortran testing, i.e at least actually build something. Personally I'm wondering if we should look at the built time impact of enabling fortran by default to stop the periodic "how to make it work?!" mails, and then we could also test that fortran works in cross and on target.
Done in oe-core 7d5f39ca717fa1caea357a4366bbf106386432c0.