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From 7107511fd209f08f9a96f8938041ae48f3295895 Mon Sep 17 00:00:00 2001
From: Christopher Larson <chris_larson@mentor.com>
Date: Tue, 15 Aug 2017 16:17:49 +0800
Subject: [PATCH 07/11] Add configure argument to make the libxml2 dependency
 explicit and determinisitic.

Upstream-Status: Pending

Signed-off-by: Christopher Larson <chris_larson@mentor.com>

Rebase to 4.3.6

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
 configure.ac | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/configure.ac b/configure.ac
index 44fb57e..8e9f509 100644
--- a/configure.ac
+++ b/configure.ac
@@ -611,6 +611,17 @@ AC_CHECK_FUNCS(strlcat)
 # For HP/UX we need -lipv6 for if_nametoindex, perhaps others.
 AC_SEARCH_LIBS(if_nametoindex, [ipv6])
 
+AC_ARG_WITH(libxml2,
+	AS_HELP_STRING([--with-libxml2], [link against libxml2. this is needed if bind was built with xml2 support enabled]),
+	with_libxml2="$withval", with_libxml2="no")
+
+if test x$with_libxml2 != xno; then
+	AC_SEARCH_LIBS(xmlTextWriterStartElement, [xml2],
+		[if test x$with_libxml2 != xauto; then
+			AC_MSG_FAILURE([*** Cannot find xmlTextWriterStartElement with -lxml2 and libxml2 was requested])
+		fi])
+fi
+
 # check for /dev/random (declares HAVE_DEV_RANDOM)
 AC_MSG_CHECKING(for random device)
 AC_ARG_WITH(randomdev,
-- 
1.8.3.1