1 files changed, 6 insertions, 0 deletions
diff --git a/filedef.h b/filedef.h
index c96c2e3..425bb04 100644
--- a/filedef.h
+++ b/filedef.h
@@ -92,12 +92,18 @@ struct file
     unsigned int ignore_vpath:1;/* Nonzero if we threw out VPATH name.  */
     unsigned int pat_searched:1;/* Nonzero if we already searched for
                                    pattern-specific variables.  */
+    unsigned int considered:1;  /* equal to `considered' if file has been
+                                   considered on current scan of goal chain */
   };
 
 /* Number of intermediate files entered.  */
 
 extern unsigned int num_intermediates;
 
+/* Current value for pruning the scan of the goal chain (toggle 0/1).  */
+
+extern unsigned int considered;
+
 extern struct file *default_goal_file, *suffix_file, *default_file;