(replace 'check
(lambda* (#:key make-flags #:allow-other-keys)
(with-directory-excursion "tests"
- (zero? (apply system* "make"
- make-flags)))))
+ (apply invoke "make" make-flags))))
(replace 'install
;; There is no top-level Makefile to do this for us.
(lambda* (#:key outputs #:allow-other-keys)