1 files changed, 2 insertions, 0 deletions
diff --git a/libio/ioungetc.c b/libio/ioungetc.c
index d36b07a394..866cba642d 100644
--- a/libio/ioungetc.c
+++ b/libio/ioungetc.c
@@ -40,4 +40,6 @@ _IO_ungetc (c, fp)
   return result;
 }
 
+#ifdef weak_alias
 weak_alias (_IO_ungetc, ungetc)
+#endif