1 files changed, 2 insertions, 0 deletions
diff --git a/gas/as.h b/gas/as.h
index ec0c12a..4fac7d2 100644
--- a/gas/as.h
+++ b/gas/as.h
@@ -385,6 +385,8 @@ extern int max_macro_nest;
 /* Verbosity level.  */
 extern int verbose;
 
+struct obstack;
+
 /* Obstack chunk size.  Keep large for efficient space use, make small to
    increase malloc calls for monitoring memory allocation.  */
 extern int chunksize;