Yes, ASDF upgrade is completely broken on CMUCL, due to undetermined PCL issues. I've tried punting harder on CMUCL (by having a #-cmu in headers.lisp before (< existing-version 2.27), but it still breaks the upgrade test, in other ways.
It would be really nice if a CMUCL hacker and/or PCL expert would fix CMUCL to not break the upgrade. —♯ƒ • François-René ÐVB Rideau •Reflection&Cybernethics• http://fare.tunes.org There are a thousand hacking at the branches of evil to one who is striking at the root. — Thoreau On Tue, Dec 31, 2013 at 8:33 AM, Anton Vodonosov <avodono...@yandex.ru> wrote: > When testing on CMUCL (cmu-snapshot-2013-04__20d_unicode_-linux-x86) > every system fails with this error: > > Error in function KERNEL:CLASS-TYPEP: > Class is currently invalid: #<KERNEL::STANDARD-CLASS ASDF/SYSTEM:SYSTEM > {585CFA1D}> > [Condition of type SIMPLE-ERROR] > > > Looks like an ASDF upgrade problem.