From 9d28a661a72cd118448e92c30a35b98100aa57bf Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Mon, 11 Feb 2019 21:45:20 +0100
Subject: [PATCH] configure.ac: complain when asciidoc 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 9657e3f..c96a5bd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -101,7 +101,9 @@ AC_PROG_MAKE_SET
 AC_PROG_RANLIB
 AC_PROG_LN_S
 
-AC_PATH_PROG([PATH_ASCIIDOC], [asciidoc])
+AC_PATH_PROG([PATH_ASCIIDOC], [asciidoc], [no])
+AS_IF([test x"$PATH_ASCIIDOC" = x"no"],
+      [AC_MSG_ERROR([asciidoc is required for generating man pages])])
 AC_PATH_PROG([PATH_XMLTO], [xmlto], [no])
 AS_IF([test x"$PATH_XMLTO" = x"no"],
       [AC_MSG_ERROR([xmlto is required for generating man pages])])
-- 
2.39.5