--- a/lib/stdio.in.h	2011-04-29 18:49:42.000000000 +0200
+++ b/lib/stdio.in.h	2012-07-06 01:58:26.465186766 +0200
@@ -179,7 +179,9 @@
    so any use of gets warrants an unconditional warning.  Assume it is
    always declared, since it is required by C89.  */
 #undef gets
+#if HAVE_RAW_DECL_GETS
 _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
+#endif
 
 #if @GNULIB_FOPEN@
 # if @REPLACE_FOPEN@