I apologize; I totally forgot about these issues: [1,2,3].

I'll push the needed changes later.  (I should test them again.)

[1] http://www.mail-archive.com/bug-guix@gnu.org/msg00614.html
[2] http://www.mail-archive.com/bug-guix@gnu.org/msg00689.html
[3] http://www.mail-archive.com/bug-guix@gnu.org/msg00725.html