hg: build-infra/jdk9: Porting all relevant changes from build-infra/jdk8.

[magnus.ihse.bursie at oracle.com]

Changeset: 239d5b359e4f
Author:    ihse
Date:      2014-03-31 16:11 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/239d5b359e4f

Porting all relevant changes from build-infra/jdk8.

! common/autoconf/source-dirs.m4
! common/autoconf/spec.gmk.in
! make/Main.gmk
! make/MakeHelpers.gmk
! make/common/JavaCompilation.gmk
! make/common/MakeBase.gmk
! make/common/NativeCompilation.gmk
! make/common/RMICompilation.gmk
! make/common/TextFileProcessing.gmk