#endif
/**
+ * LIBXML_THREAD_ALLOC_ENABLED:
+ *
+ * Whether the allocation hooks are per-thread
+ */
+#if @WITH_THREAD_ALLOC@
+#define LIBXML_THREAD_ALLOC_ENABLED
+#endif
+
+/**
* LIBXML_TREE_ENABLED:
*
* Whether the DOM like tree manipulation API support is configured in
*/
#ifndef ATTRIBUTE_UNUSED
-#define ATTRIBUTE_UNUSED __attribute__((unused))
+# if ((__GNUC__ > 2) || ((__GNUC__ == 2) && (__GNUC_MINOR__ >= 7)))
+# define ATTRIBUTE_UNUSED __attribute__((unused))
+# else
+# define ATTRIBUTE_UNUSED
+# endif
#endif
/**