hg: build-infra/jdk9: 2 new changesets

[magnus.ihse.bursie at oracle.com]

Changeset: ccd75ab2f1bd
Author:    ihse
Date:      2015-09-18 10:22 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/ccd75ab2f1bd

Introduce COMPARE_BUILD (ahead of JDK-8136695)

! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
! common/autoconf/spec.gmk.in
! make/Init.gmk
! make/InitSupport.gmk

Changeset: e9695bef56b2
Author:    ihse
Date:      2015-09-18 11:01 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/e9695bef56b2

Add COMP_DIR opttion to COMPARE_BUILD, to enable -2dir comparisons.

! make/Init.gmk
! make/InitSupport.gmk