diff --git a/gnu/stdio.in.h b/gnu/stdio.in.h

index 465a9c9..b703457 100644

--- a/gnu/stdio.in.h

+++ b/gnu/stdio.in.h

@@ -164,7 +164,9 @@ _GL_WARN_ON_USE (fflush, "fflush is not always POSIX compliant - "

    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@