The (ice-9 popen) module should not be added to the imported-modules here,
because that depends on the Guile that is used on the host side.
* guix/build-system/minify.scm (%minify-build-system-modules): Remove import
of (ice-9 popen).
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; This file is part of GNU Guix.
;;;
(define %minify-build-system-modules
;; Build-side modules imported by default.
`((guix build minify-build-system)
- (ice-9 popen)
,@%gnu-build-system-modules))
(define (default-uglify-js)