xml2-config is disabled, so change the configure script to use pkgconfig to find
libxml2.

Upstream-Status: Inappropriate
Signed-off-by: Ross Burton <ross.burton@intel.com>

---
 configure.in | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/configure.in b/configure.in
index d566e1c..c9ef3a6 100644
--- a/configure.in
+++ b/configure.in
@@ -2102,21 +2102,9 @@ case "$use_libxml2" in
 		DST_LIBXML2_INC=""
 		;;
 	auto|yes)
-		case X`(xml2-config --version) 2>/dev/null` in
-		X2.[[6789]].*)
-			libxml2_libs=`xml2-config --libs`
-			libxml2_cflags=`xml2-config --cflags`
-			;;
-		*)
-			libxml2_libs=
-			libxml2_cflags=
-			;;
-		esac
-		;;
-	*)
-		if test -f "$use_libxml2/bin/xml2-config" ; then
-			libxml2_libs=`$use_libxml2/bin/xml2-config --libs`
-			libxml2_cflags=`$use_libxml2/bin/xml2-config --cflags`
+		if pkg-config --exists libxml-2.0 ; then
+			libxml2_libs=`pkg-config libxml-2.0 --libs`
+			libxml2_cflags=`pkg-config libxml-2.0 --cflags`
 		fi
 		;;
 esac
-- 
2.1.4