guix$ guix build -L . rtl8821ce-linux-module
error: define-deprecated/public: unbound variable
hint: Did you forget a `use-modules' form?

guix build: All 46 channel news entries are valid.
guix build: warning: failed to load '(build-aux check-channel-news)':
no code for module (build-aux check-channel-news)
hint: File `./build-aux/check-channel-news.scm' should probably start with:

     (define-module (build-aux check-channel-news))

error: tcc: unbound variable
hint: Did you forget a `use-modules' form?

guix build: warning: failed to load '(build-aux compile-all)':
Backtrace:
In guix/store.scm:
   1320:8 19 (call-with-build-handler #<procedure 7f565ddb4870 at g…> …)
In guix/scripts/build.scm:
    499:2 18 (_)
In srfi/srfi-1.scm:
   673:15 17 (append-map _ _ . _)
   586:17 16 (map1 ((argument . "rtl8821ce-linux-module") (# . 0) # …))
In guix/scripts/build.scm:
   519:30 15 (_ _)
In gnu/packages.scm:
    477:2 14 (%find-package "rtl8821ce-linux-module" "rtl8821ce-lin…" …)
    362:6 13 (find-best-packages-by-name _ _)
   292:55 12 (_ "rtl8821ce-linux-module" _)
In unknown file:
          11 (force #<promise #<procedure 7f565ddee4c0 at gnu/packag…>)
In gnu/packages.scm:
   239:33 10 (fold-packages #<procedure 7f565d2bdf40 at gnu/package…> …)
In guix/discovery.scm:
   159:11  9 (all-modules _ #:warn _)
In srfi/srfi-1.scm:
   460:18  8 (fold #<procedure 7f56603cc2a0 at guix/discovery.scm:1…> …)
In guix/discovery.scm:
   146:31  7 (_ _ ())
    116:4  6 (scheme-modules _ _ #:warn _)
In srfi/srfi-1.scm:
   691:23  5 (filter-map #<procedure 7f56603cc180 at guix/discove…> . #)
In guix/discovery.scm:
   124:24  4 (_ . _)
In guix/ui.scm:
    443:5  3 (warn-about-load-error "./build-aux/compile-all.scm" (…) …)
In unknown file:
           2 (display-error #f #<output: file /dev/pts/3> "match" "…" …)
In ice-9/boot-9.scm:
  1685:16  1 (raise-exception _ #:continuable? _)
  1685:16  0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:
Wrong number of arguments to #<procedure display-error (_ _ _ _ _ _)>