build: Warn about lack of substitutes for non-standard stores.

* configure.ac: Emit a warning when $storedir is not "/gnu/store".
This commit is contained in:
Ludovic Courtès 2017-02-07 14:53:24 +01:00
parent 328f7cbe43
commit d480ed7edb
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@ -236,6 +236,15 @@ dnl Emacs (optional), for 'etc/indent-package.el'.
AC_PATH_PROG([EMACS], [emacs], [/usr/bin/emacs])
AC_SUBST([EMACS])
case "$storedir" in
/gnu/store)
;;
*)
AC_MSG_WARN([Using a store directory other than '/gnu/store' will prevent you])
AC_MSG_WARN([from downloading substitutes from gnu.org.])
;;
esac
AC_CONFIG_FILES([Makefile
po/guix/Makefile.in
po/packages/Makefile.in