From d480ed7edb7ad787829fd8220c86220ca34ce8ac Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Tue, 7 Feb 2017 14:53:24 +0100
Subject: build: Warn about lack of substitutes for non-standard stores.

* configure.ac: Emit a warning when $storedir is not "/gnu/store".
---
 configure.ac | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 9079a142dc..06b0618b43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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
-- 
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