From 26f5d8d8a986138bb8072cc6f266c15e9b8711b7 Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mtg@gnu.org>
Date: Wed, 2 Dec 2015 21:51:41 -0500
Subject: [PATCH] Fail configure when GUILE_PROGS cannot be found

Available in $prefix/share/aclocal/guile.m4
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 301321f..6a4ff01 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,6 +4,10 @@ PKG_CHECK_MODULES([GUILE], [guile-2.0])
 
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
+m4_ifdef([GUILE_PROGS],
+         [],
+         [AC_ERROR(could not locate guile aclocal macros)])
+
 GUILE_PROGS
 
 AC_CONFIG_FILES([Makefile])
-- 
2.31.1