+# Copyright (C) 1996, 1999-2001, 2004, 2009-2010 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+AC_PREREQ([2.13])
+
+AC_DEFUN([gl_SYS_PROC_UPTIME],