+         (host-inputs `(,@(if source
+                              `(("source" ,source))
+                              '())
+                        ,@inputs
+                        ;; Keep the standard inputs of 'gnu-build-system'.
+                        ,@(standard-packages)))

(standard-packages) contains packages like gcc, coreutils, bash, ...,
which should be in build-inputs.  Not that it matters much here,
as this procedure doesn't support cross-compilation.

Not sure what you want to tell me. Anything you recommend me to change?

-- 
Regards
Hartmut Goebel

| Hartmut Goebel          | h.goebel@crazy-compilers.com               |
| www.crazy-compilers.com | compilers which you thought are impossible |