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diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa
diff --git a/gnulib/lib/readline.c b/gnulib/lib/readline.c
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--- /dev/null
+++ b/gnulib/lib/readline.c
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+/* readline.c --- Simple implementation of readline.
+   Copyright (C) 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
+   Written by Simon Josefsson
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* This module is intended to be used when the application only needs
+   the readline interface.  If you need more functions from the
+   readline library, it is recommended to require the readline library
+   (or improve this module) rather than #if-protect part of your
+   application (doing so would add assumptions of this module into
+   your application).  The application should use #include
+   "readline.h", that header file will include <readline/readline.h>
+   if the real library is present on the system. */
+
+/* Get specification. */
+#include "readline.h"
+
+#include <stdio.h>
+#include <string.h>
+
+char *
+readline (const char *prompt)
+{
+  char *out = NULL;
+  size_t size = 0;
+
+  if (prompt)
+    {
+      fputs (prompt, stdout);
+      fflush (stdout);
+    }
+
+  if (getline (&out, &size, stdin) < 0)
+    return NULL;
+
+  while (*out && (out[strlen (out) - 1] == '\r'
+                  || out[strlen (out) - 1] == '\n'))
+    out[strlen (out) - 1] = '\0';
+
+  return out;
+}