From b4f84fab349525aa5a4ea364509a4d9ec9db47f4 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sun, 1 Mar 2009 01:26:04 +0100
Subject: configure.ac: make "xmlto" optional

Even when --enable-documentation is passed, don't abort if "xmlto" was
not found.
---
 configure.ac | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index d1d887d44..5f5f70a10 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1089,11 +1089,8 @@ AC_ARG_ENABLE(documentation,
 
 if test x$enable_documentation = xyes; then
 	AC_PATH_PROG(XMLTO, xmlto)
-	if test x$XMLTO = x; then
-		AC_MSG_ERROR([xmlto not found])
-	fi
-
 	AC_SUBST(XMLTO)
+	AM_CONDITIONAL(HAVE_XMLTO, test x$XMLTO != x)
 
 	AC_PATH_PROG(DOXYGEN, doxygen)
 	if test x$DOXYGEN = x; then
@@ -1101,6 +1098,8 @@ if test x$enable_documentation = xyes; then
 	fi
 
 	AC_SUBST(DOXYGEN)
+else
+	AM_CONDITIONAL(HAVE_XMLTO, false)
 fi
 
 AM_CONDITIONAL(ENABLE_DOCUMENTATION, test x$enable_documentation = xyes)
-- 
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