--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/common/SetupJava.gmk	Sun Aug 17 15:51:37 2014 +0100
@@ -0,0 +1,88 @@
+#
+# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+ifndef _SETUP_GMK
+_SETUP_GMK := 1
+
+include JavaCompilation.gmk
+
+DISABLE_WARNINGS := -Xlint:all,-deprecation,-unchecked,-rawtypes,-cast,-serial,-dep-ann,-static,-fallthrough,-try,-varargs,-empty,-finally
+
+# To build with all warnings enabled, do the following:
+# make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000"
+JAVAC_WARNINGS := -Xlint:all,-deprecation -Werror
+
+# Any java code executed during a JDK build to build other parts of the JDK must be 
+# executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this 
+# purpose must be built with -target PREVIOUS for bootstrapping purposes, which 
+# requires restricting to language level and api of previous JDK.
+#
+# The generate old bytecode javac setup uses the new compiler to compile for the
+# boot jdk to generate tools that need to be run with the boot jdk.
+# Thus we force the target bytecode to the previous JDK version.
+$(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \
+    JVM := $(JAVA_SMALL), \
+    JAVAC := $(NEW_JAVAC), \
+    FLAGS := $(BOOT_JDK_SOURCETARGET) -bootclasspath $(BOOT_RTJAR) $(DISABLE_WARNINGS), \
+    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
+    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
+
+# The generate new bytecode javac setup uses the new compiler to compile for the
+# new jdk. This new bytecode might only be possible to run using the new jvm.
+$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \
+    JVM := $(JAVA), \
+    JAVAC := $(NEW_JAVAC), \
+    FLAGS := -source 9 -target 9 \
+        -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS) \
+        $(GENERATE_JDKBYTECODE_EXTRA_FLAGS), \
+    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
+    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
+
+# The generate new bytecode javac setup uses the new compiler to compile for the
+# new jdk. This new bytecode might only be possible to run using the new jvm.
+$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \
+    JVM := $(JAVA), \
+    JAVAC := $(NEW_JAVAC), \
+    FLAGS := -source 9 -target 9 \
+        -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS) \
+        $(GENERATE_JDKBYTECODE_EXTRA_FLAGS), \
+    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
+    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
+
+JDK_BOOTCLASSPATH := $(subst $(SPACE),$(PATH_SEP),\
+    $(filter-out $(JDK_OUTPUTDIR)/modules/_%, $(wildcard $(JDK_OUTPUTDIR)/modules/*)))
+
+# After the jdk is built, we want to build demos using only the recently
+# generated jdk classes and nothing else, no jdk source, etc etc.
+# I.e. the rt.jar, but since rt.jar has not yet been generated
+# (it will be in "make images") therefore we use classes instead.
+$(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \
+    JVM := $(JAVA_SMALL), \
+    JAVAC := $(NEW_JAVAC), \
+    FLAGS := -bootclasspath "$(JDK_BOOTCLASSPATH)" $(DISABLE_WARNINGS), \
+    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
+    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
+
+endif # _SETUP_GMK