hg: jdk9/sandbox: 8080082: configure fails if you create an empty directory and then run configure from it

[chris.hegarty at oracle.com]

Changeset: 2038a6987213
Author:    ihse
Date:      2015-05-12 13:24 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/2038a6987213

8080082: configure fails if you create an empty directory and then run configure from it
Reviewed-by: dholmes, erikj

! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh