CCL 1.8 on Mac OS X fails to compile asdf as pulled just now. Not-very-helpful transcript snippet: COMPONENT-DEPENDS-ON [Defmethod] COMPONENT-DEPENDS-ON [Defmethod] COMPONENT-DEPENDS-ON [Defmethod] COMPONENT-DEPENDS-ON [Defmethod] COMPONENT-DEPENDS-ON [Defmethod] COMPONENT-DEPENDS-ON [Defmethod] COMPONENT-DEPENDS-ON [Defmethod] COMPONENT-DEPENDS-ON [Defmethod] Toplevel Forms... Toplevel Forms... Toplevel Forms... Toplevel Forms... ions of (:METHOD PERFORM (LOAD-OP CL-SOURCE-FILE)), in this file Testsuite failed: ASDF compiled with ERRORS Interactively, interestingly, when I try to build from an asdf:*central-registry* with home:lisp;asdf; in it, I get this error: Error while trying to load definition for system asdf from pathname home:lisp;asdf;asdf.asd.newest: Illegal logical namestring "/Users/rpg/lisp/asdf/asdf.asd" [Condition of type ASDF:LOAD-SYSTEM-DEFINITION-ERROR] No idea what that's about. When I use /Users/rpg/lisp/asdf/ instead, it works fine. Interactively, I get: ;Compiler warnings for "home:lisp;asdf;asdf.lisp.newest" : ; In an anonymous lambda form at position 220553: Duplicate definitions of (:METHOD PERFORM (LOAD-OP CL-SOURCE-FILE)), in this file ; Warning: COMPILE-FILE failed while performing #<COMPILE-OP > on #<CL-SOURCE-FILE "asdf" "asdf">. ; While executing: #<STANDARD-METHOD ASDF:PERFORM (ASDF:COMPILE-OP ASDF:CL-SOURCE-FILE)>, in process repl-thread(14). ; Warning: COMPILE-FILE warned while performing #<COMPILE-OP > on #<CL-SOURCE-FILE "asdf" "asdf">. ; While executing: #<STANDARD-METHOD ASDF:PERFORM (ASDF:COMPILE-OP ASDF:CL-SOURCE-FILE)>, in process repl-thread(14). So are the redefinitions breaking the update?