diff -ru m4-1.4.16.orig/lib/stdio.in.h m4-1.4.16/lib/stdio.in.h
--- m4-1.4.16.orig/lib/stdio.in.h	2012-10-21 21:47:45.261174075 +0200
+++ m4-1.4.16/lib/stdio.in.h	2012-10-21 21:48:14.728646610 +0200
@@ -158,12 +158,6 @@
                  "use gnulib module fflush for portable POSIX compliance");
 #endif
 
-/* It is very rare that the developer ever has full control of stdin,
-   so any use of gets warrants an unconditional warning.  Assume it is
-   always declared, since it is required by C89.  */
-#undef gets
-_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
-
 #if @GNULIB_FOPEN@
 # if @REPLACE_FOPEN@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)