hg: build-infra/jdk8: First draft of new compare script. Works on linux for now.

[erik.joelsson at oracle.com]

Changeset: f4244a031303
Author:    erikj
Date:      2012-08-22 17:31 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/f4244a031303

First draft of new compare script. Works on linux for now.

! common/autoconf/basics.m4
! common/autoconf/boot-jdk.m4
+ common/autoconf/compare.sh.in
! common/autoconf/configure.ac
! common/autoconf/generated-configure.sh