hg: jdk8/build: 8001897: build-infra: misc adjustments to configure script

[kelly.ohair at oracle.com]

Changeset: e3182741ade2
Author:    ihse
Date:      2012-10-29 14:06 -0700
URL:       http://hg.openjdk.java.net/jdk8/build/rev/e3182741ade2

8001897: build-infra: misc adjustments to configure script
Reviewed-by: ohair

! common/autoconf/Makefile.in
! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
! common/autoconf/jdk-options.m4
! common/autoconf/spec.gmk.in
! common/autoconf/toolchain.m4