? boost-560064.patch
Index: boost.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/boost/boost.module,v
retrieving revision 1.3.2.2.2.5.2.108
diff -u -p -r1.3.2.2.2.5.2.108 boost.module
--- boost.module	21 Aug 2009 02:48:02 -0000	1.3.2.2.2.5.2.108
+++ boost.module	26 Aug 2009 17:05:44 -0000
@@ -359,7 +359,7 @@ function boost_nodeapi(&$node, $op, $tea
       }
 
       // get terms and flush their page
-      if (BOOST_FLUSH_NODE_TERMS) {
+      if (module_exists('taxonomy') && BOOST_FLUSH_NODE_TERMS) {
         $tids = boost_taxonomy_node_get_tids($node->nid);
         $filenames = array();
         foreach($tids as $tid) {