hg: build-infra/jdk8: Continue splitting up configure.ac: breaking out handling of external

[magnus.ihse.bursie at oracle.com]

Changeset: 3e2968e04091
Author:    ihse
Date:      2012-06-11 16:51 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/3e2968e04091

Continue splitting up configure.ac: breaking out handling of external
libraries and JDK-specific options (like JVM variant).

! common/autoconf/boot-jdk.m4
+ common/autoconf/configure.ac
! common/autoconf/generated-configure.sh
! common/autoconf/jdk-options.m4 < common/autoconf/configure.ac
! common/autoconf/libraries.m4 < common/autoconf/configure.ac