hg: compiler-grammar/jls8: Initial changes integrating antlr parser into build system

[eric.mccorkle at oracle.com]

Changeset: 46d7c54f212c
Author:    emc
Date:      2015-01-09 14:23 -0500
URL:       http://hg.openjdk.java.net/compiler-grammar/jls8/rev/46d7c54f212c

Initial changes integrating antlr parser into build system

! common/autoconf/configure.ac
! common/autoconf/generated-configure.sh
! common/autoconf/jdk-options.m4
! common/autoconf/libraries.m4
! common/autoconf/spec.gmk.in
! make/CompileJavaModules.gmk
! make/common/SetupJavaCompilers.gmk