Hello Danny, sorry for delay.

I have updated my repository with commit
dc7d6d4ece30c7ab25e9f1927d64f2b409ab896c(version 14).

Danny Milosavljevic <dannym@scratchpost.org> writes:

> are you sure you put the call into guix/scripts/system.scm ?
>
> There are a lot of #$ things there already - should work.
>
> In gnu/build/install.scm it's not going to work.
>
> The Guix high-level packaging stuff is not available build-side, only host=
> -side.
>
> Can you provide a patch of what you did?
>

When doing `make` shows the error message:
--8<---------------cut here---------------start------------->8---
Backtrace:
          14 (primitive-load "/home/jin/guix/./build-aux/compile-all…")
In guix/build/compile.scm:
    158:6 13 (compile-files _ _ ("guix/scripts/system.scm" "gnu/b…") …)
   107:11 12 (load-files "." _ #:report-load _ #:debug-port _)
In ice-9/boot-9.scm:
  2800:17 11 (resolve-interface (guix scripts system) #:select _ # _ …)
In ice-9/threads.scm:
    390:8 10 (_ _)
In ice-9/boot-9.scm:
  2726:13  9 (_)
In ice-9/threads.scm:
    390:8  8 (_ _)
In ice-9/boot-9.scm:
  2994:20  7 (_)
   2312:4  6 (save-module-excursion _)
  3014:26  5 (_)
In unknown file:
           4 (primitive-load-path "guix/scripts/system" #<procedure …>)
In ice-9/eval.scm:
   191:35  3 (_ #f)
   191:27  2 (_ #f)
   223:20  1 (proc #<directory (guix scripts system) e2f050>)
In unknown file:
           0 (%resolve-variable (7 . ungexp) #<directory (guix scrip…>)

ERROR: In procedure %resolve-variable:
ungexp: unbound variable
Makefile:5463: recipe for target 'make-go' failed
make[2]: *** [make-go] Error 1
make[2]: Leaving directory '/home/jin/guix'
Makefile:4536: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/jin/guix'
Makefile:3078: recipe for target 'all' failed
make: *** [all] Error 2
--8<---------------cut here---------------end--------------->8---

Attached patch.