Bootstrapping fails in EMACS_22_BASE

[Sven Joachim]

Bootstrapping Emacs 22 fails with the following error:

,----
| Generating autoloads for url/url-vars.el...
| Generating autoloads for url/url-vars.el...done
| Generating autoloads for url/vc-dav.el...
| Generating autoloads for url/vc-dav.el...done
| Saving file /usr/local/src/emacs/lisp/loaddefs.el...
| Symbol's value as variable is void: LC
| make[2]: *** [autoloads] Fehler 255
| make[2]: Leaving directory `/usr/local/src/emacs/lisp'
| make[1]: *** [bootstrap-build] Fehler 2
| make[1]: Leaving directory `/usr/local/src/emacs'
| make: *** [bootstrap] Fehler 2
`----

This is with LANG=de_DE.UTF-8 and LC_COLLATE=C, if that's important.
A week ago bootstrapping worked fine, though.

Sven