(arguments
     (list
      #:modules '((guix build utils))
      #:builder
      #~(begin
          (use-modules (guix build utils))
          (setenv "PATH" (string-append
                          #$bash-minimal "/bin:"
                          #+coreutils "/bin:"
                          #$gcc-toolchain "/bin"))
          (copy-recursively #$source ".")
          (invoke "gcc" "-v" "-E" "-")
          (invoke "sh" "./build.sh")
          )))