+ (native-inputs
+ `(("automake" ,automake))) ; For up to date 'config.guess' and 'config.sub'.
+ (arguments
+ `(#:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'fix-configure
+ (lambda* (#:key inputs native-inputs #:allow-other-keys)
+ ;; Replace outdated config.sub and config.guess:
+ (for-each (lambda (file)
+ (install-file
+ (string-append (assoc-ref
+ (or native-inputs inputs) "automake")
+ "/share/automake-"
+ ,(version-major+minor
+ (package-version automake))
+ "/" file) "."))
+ '("config.sub" "config.guess"))
+ #t)))))