--- configure.orig	2004-08-28 23:03:47.000000000 +0400
+++ configure	2009-03-28 15:51:38.000000000 +0300
@@ -21183,7 +21183,7 @@
    { (exit 1); exit 1; }; }
     fi
   else
-    for ac_prog in xml2-config xml-config
+    for ac_prog in xml2-config xml-config pkg-config
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2