hg: jdk9/client: 8069064: Various improvements and fixes in build system

[magnus.ihse.bursie at oracle.com]

Changeset: 6ebc4cb8a14d
Author:    ihse
Date:      2015-01-16 16:02 +0100
URL:       http://hg.openjdk.java.net/jdk9/client/rev/6ebc4cb8a14d

8069064: Various improvements and fixes in build system
Reviewed-by: erikj

! Makefile
! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
! make/common/IdlCompilation.gmk
! make/common/JavaCompilation.gmk
! make/common/MakeBase.gmk
! make/common/NativeCompilation.gmk
! make/common/RMICompilation.gmk