hg: jdk9/dev: 8150203: Incremental update from build-infra project

[magnus.ihse.bursie at oracle.com]

Changeset: 623e45a43ff3
Author:    ihse
Date:      2016-02-22 11:22 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/623e45a43ff3

8150203: Incremental update from build-infra project
Reviewed-by: erikj

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh
! common/autoconf/libraries.m4
! common/autoconf/spec.gmk.in
! make/Init.gmk
! make/common/NativeCompilation.gmk