Index: /trunk/src/VBox/Runtime/r3/xml.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/xml.cpp	(revision 58167)
+++ /trunk/src/VBox/Runtime/r3/xml.cpp	(revision 58168)
@@ -1742,5 +1742,5 @@
     const int options = XML_PARSE_NOBLANKS /* remove blank nodes */
                       | XML_PARSE_NONET    /* forbit any network access */
-#ifdef XML_PARSE_HUGE /* introduced in libxml2 2.7.0 */
+#if LIBXML_VERSION >= 20700
                       | XML_PARSE_HUGE     /* don't restrict the node depth
                                               to 256 (bad for snapshots!) */