From fd484c6c5800577a7b27b7110d641cd12ba6464a Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Mon, 11 Feb 2019 21:43:35 +0100
Subject: [PATCH 1/1] configure.ac: complain when xmlto cannot be found

related to #338
---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 9322366..9657e3f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,7 +102,9 @@ AC_PROG_RANLIB
 AC_PROG_LN_S
 
 AC_PATH_PROG([PATH_ASCIIDOC], [asciidoc])
-AC_PATH_PROG([PATH_XMLTO], [xmlto])
+AC_PATH_PROG([PATH_XMLTO], [xmlto], [no])
+AS_IF([test x"$PATH_XMLTO" = x"no"],
+      [AC_MSG_ERROR([xmlto is required for generating man pages])])
 
 AM_PROG_AR
 
-- 
2.39.2