langtools/make/BuildLangtools.gmk - platform/libcore - Git at Google


            
            #

            
            # Copyright (c) 2011, 2013, 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.

            
            #


            # This must be the first rule

            
            default: all


            include $(SPEC)

            
            include MakeBase.gmk

            
            include JavaCompilation.gmk


            # The BOOT_JAVAC setup uses the bootdir compiler to compile the tools

            
            # and the bootstrap javac, to be run by the bootdir jvm.

            
            $(eval $(call SetupJavaCompiler,BOOT_JAVAC, \

            
                JAVAC := $(JAVAC), \

            
                SERVER_DIR := $(SJAVAC_SERVER_DIR), \

            
                SERVER_JVM := $(SJAVAC_SERVER_JAVA), \

            
                FLAGS := -XDignore.symbol.file=true -g -Xlint:all$(COMMA)-deprecation -Werror))


            # javax.tools.JavaCompilerTool isn't really a suffix but this gets the file copied.

            
            RESOURCE_SUFFIXES := .gif .xml .css .js javax.tools.JavaCompilerTool


            # Now setup the compilation of the properties compilation tool. You can depend

            
            # upon $(BUILD_TOOLS) to trigger a compilation of the tools. Note that we

            
            # add src/share/classes to the sourcepath. This is necessary since the GenStubs

            
            # program needs to be linked and run towards the new javac sources.

            
            $(eval $(call SetupJavaCompilation,BUILD_TOOLS, \

            
                SETUP := BOOT_JAVAC, \

            
                DISABLE_SJAVAC := true, \

            
                ADD_JAVAC_FLAGS := -Xprefer:source, \

            
                SRC := $(LANGTOOLS_TOPDIR)/make/tools $(LANGTOOLS_TOPDIR)/src/share/classes, \

            
                INCLUDES := compileproperties genstubs, \

            
                BIN := $(LANGTOOLS_OUTPUTDIR)/btclasses))


            # The compileprops tools compiles a properties file into a resource bundle.

            
            TOOL_COMPILEPROPS_CMD := $(JAVA) -cp $(LANGTOOLS_OUTPUTDIR)/btclasses compileproperties.CompileProperties -quiet


            # Lookup the properties that need to be compiled into resource bundles.

            
            PROPSOURCES := $(shell $(FIND) $(LANGTOOLS_TOPDIR)/src/share/classes -name "*.properties")


            # Strip away prefix and suffix, leaving for example only: "com/sun/tools/javac/resources/javac_zh_CN"

            
            PROPPATHS := $(patsubst $(LANGTOOLS_TOPDIR)/src/share/classes/%.properties, %, $(PROPSOURCES))


            # Generate the list of java files to be created.

            
            PROPJAVAS := $(patsubst %, $(LANGTOOLS_OUTPUTDIR)/gensrc/%.java, $(PROPPATHS))


            # Generate the package dirs for the tobe generated java files.

            
            PROPDIRS := $(dir $(PROPJAVAS))


            # Now generate a sequence of "-compile ...javac_zh_CN.properties ...javac_zh_CN.java java.util.ListResourceBundle"

            
            # suitable to be fed into the CompileProperties command.

            
            PROPCMDLINE := $(subst _SPACE_, $(SPACE), $(join $(addprefix -compile_SPACE_, $(PROPSOURCES)), \

            
                $(addsuffix _SPACE_java.util.ListResourceBundle, $(addprefix _SPACE_$(LANGTOOLS_OUTPUTDIR)/gensrc/, $(addsuffix .java, $(PROPPATHS))))))


            # Now setup the rule for the generation of the resource bundles.

            
            $(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d: $(PROPSOURCES) $(BUILD_TOOLS)

            
            	$(RM) -r $(@D)/*

            
            	$(MKDIR) -p $(@D) $(PROPDIRS)

            
            	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties

            
            	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties

            
            	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties

            
            	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.properties

            
            	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javadoc/resources/version.properties

            
            	$(ECHO) Compiling $(words $(PROPSOURCES) v1 v2 v3) properties into resource bundles

            
            	$(TOOL_COMPILEPROPS_CMD) $(PROPCMDLINE) \

            
            	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties \

            
            	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.java \

            
            	        java.util.ListResourceBundle \

            
            	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties \

            
            	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.java \

            
            	        java.util.ListResourceBundle \

            
            	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties \

            
            	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.java \

            
            	        java.util.ListResourceBundle \

            
            	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.properties \

            
            	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.java \

            
            	        java.util.ListResourceBundle \

            
            	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javadoc/resources/version.properties \

            
            	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javadoc/resources/version.java \

            
            	        java.util.ListResourceBundle

            
            	$(ECHO) PROPS_ARE_CREATED = yes > $@


            # Trigger the generation of the resource bundles. After the resource bundles have

            
            # been compiled, then the makefile will restart and the newly created java files

            
            # will become part of the build further along in the makefile.

            
            -include $(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d


            ifeq ($(PROPS_ARE_CREATED), yes)

            
              # Setup the rules to build a dist/bootstrap/lib/javac.jar, ie a smaller intermediate javac

            
              # that can be compiled with an old javac. The intermediate javac is then used

            
              # to compile javac again and to build the complete new jdk.

            
              $(eval $(call SetupJavaCompilation,BUILD_BOOTSTRAP_LANGTOOLS, \

            
                  SETUP := BOOT_JAVAC, \

            
                  DISABLE_SJAVAC := true, \

            
                  SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc, \

            
                  EXCLUDES := com/sun/tools/javac/nio, \

            
                  COPY := $(RESOURCE_SUFFIXES), \

            
                  BIN := $(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap))


              $(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVAC, $(BUILD_BOOTSTRAP_LANGTOOLS), \

            
                  SRCS := $(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap, \

            
                  JAR := $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar, \

            
                  SUFFIXES := .class $(RESOURCE_SUFFIXES)))


              # GenStubs is used to bootstrap any dependencies from javac to the new JDK that is not

            
              # yet built. It is currently not needed but might be again in the future. The following

            
              # exercises the functionality to verify that it works.

            
              TOOL_GENSTUBS_CMD = $(JAVA) \

            
                   "-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \

            
                   -classpath $(LANGTOOLS_OUTPUTDIR)/btclasses \

            
                   genstubs.GenStubs


              # We fetch source from the JDK...

            
              JDKS = $(JDK_TOPDIR)/src/share/classes


              # Build the list of classes to generate stubs from. java/util/function/Predicate.java isn't

            
              # currently needed, but is used as a demo for now.


              STUBSOURCES := $(shell $(FIND) $(JDKS) -name "*.java" | $(GREP) \

            
                  -e "$(JDKS)/java/util/function/Predicate.java")


              # Rewrite the file names into class names because the GenStubs tool require this.

            
              STUBCLASSES := $(subst /,., $(patsubst $(JDKS)/%.java, %, $(STUBSOURCES)))


              # Now setup the build recipe for genstubs.

            
              $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d: $(STUBSOURCES) $(BUILD_TOOLS) \

            
                  $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \

            
                  $(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d

            
            	$(MKDIR) -p $(@D)

            
            	$(MKDIR) -p $(LANGTOOLS_OUTPUTDIR)/tmpstubs

            
            	$(ECHO) $(LOG_INFO) Generating stubs from JDK sources.

            
            	($(TOOL_GENSTUBS_CMD) -s $(LANGTOOLS_OUTPUTDIR)/tmpstubs -sourcepath $(JDKS) $(STUBCLASSES) && $(ECHO) STUBS_ARE_CREATED = yes > $@)

            
            	if $(DIFF) -x "_the*" -rq $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(LANGTOOLS_OUTPUTDIR)/genstubs > /dev/null 2>&1; then \

            
            	  $(ECHO) $(LOG_INFO) No changes in the stubs!; \

            
            	  $(RM) -r $(LANGTOOLS_OUTPUTDIR)/tmpstubs; \

            
            	else \

            
            	  $(ECHO) $(LOG_INFO) Changes in stubs detected!; \

            
            	  $(RM) -r $(@D); \

            
            	  $(MV) $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(@D); \

            
            	fi

            
            	$(ECHO) STUBS_ARE_CREATED = yes > $@


              # Trigger a generation of the genstubs java source code and a restart

            
              # of the makefile to make sure that the following build setup use the

            
              # newly created java files.

            
              -include $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d


              ifeq ($(STUBS_ARE_CREATED), yes)

            
                # Setup a compiler configuration using the intermediate javac in dist/bootstrap/lib/javac.jar

            
                # that generates code for the new jdk that is being built.

            
                # The code compiled by this compiler setup, cannot necessarily be run with the bootstrap jvm.

            
                $(eval $(call SetupJavaCompiler,GENERATE_NEWBYTECODE, \

            
                    JVM := $(JAVA), \

            
                    JAVAC := "-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \

            
                        -cp $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \

            
                        com.sun.tools.javac.Main, \

            
                    FLAGS := -XDignore.symbol.file=true -Xlint:all$(COMMA)-deprecation -Werror, \

            
                    SERVER_DIR := $(SJAVAC_SERVER_DIR), \

            
                    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))


                $(eval $(call SetupJavaCompilation,BUILD_FULL_JAVAC, \

            
                    SETUP := GENERATE_NEWBYTECODE, \

            
                    SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc \

            
                        $(LANGTOOLS_OUTPUTDIR)/genstubs, \

            
                    EXCLUDES := java/util java/io java/nio, \

            
                    COPY := $(RESOURCE_SUFFIXES), \

            
                    BIN := $(LANGTOOLS_OUTPUTDIR)/classes))


                $(eval $(call SetupArchive,ARCHIVE_FULL_JAVAC, $(BUILD_FULL_JAVAC), \

            
                    SETUP := GENERATE_NEWBYTECODE, \

            
                    SRCS := $(LANGTOOLS_OUTPUTDIR)/classes, \

            
                    SUFFIXES := .class $(RESOURCE_SUFFIXES), \

            
                    JAR := $(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar))


                $(eval $(call SetupZipArchive,ZIP_FULL_JAVAC_SOURCE, \

            
                    SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc, \

            
                    ZIP := $(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip))


                all: $(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar \

            
                    $(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip \

            
                    $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar


              endif

            
            endif
	#
	# Copyright (c) 2011, 2013, 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.
	#

	# This must be the first rule
	default: all

	include $(SPEC)
	include MakeBase.gmk
	include JavaCompilation.gmk

	# The BOOT_JAVAC setup uses the bootdir compiler to compile the tools
	# and the bootstrap javac, to be run by the bootdir jvm.
	$(eval $(call SetupJavaCompiler,BOOT_JAVAC, \
	JAVAC := $(JAVAC), \
	SERVER_DIR := $(SJAVAC_SERVER_DIR), \
	SERVER_JVM := $(SJAVAC_SERVER_JAVA), \
	FLAGS := -XDignore.symbol.file=true -g -Xlint:all$(COMMA)-deprecation -Werror))

	# javax.tools.JavaCompilerTool isn't really a suffix but this gets the file copied.
	RESOURCE_SUFFIXES := .gif .xml .css .js javax.tools.JavaCompilerTool

	# Now setup the compilation of the properties compilation tool. You can depend
	# upon $(BUILD_TOOLS) to trigger a compilation of the tools. Note that we
	# add src/share/classes to the sourcepath. This is necessary since the GenStubs
	# program needs to be linked and run towards the new javac sources.
	$(eval $(call SetupJavaCompilation,BUILD_TOOLS, \
	SETUP := BOOT_JAVAC, \
	DISABLE_SJAVAC := true, \
	ADD_JAVAC_FLAGS := -Xprefer:source, \
	SRC := $(LANGTOOLS_TOPDIR)/make/tools $(LANGTOOLS_TOPDIR)/src/share/classes, \
	INCLUDES := compileproperties genstubs, \
	BIN := $(LANGTOOLS_OUTPUTDIR)/btclasses))

	# The compileprops tools compiles a properties file into a resource bundle.
	TOOL_COMPILEPROPS_CMD := $(JAVA) -cp $(LANGTOOLS_OUTPUTDIR)/btclasses compileproperties.CompileProperties -quiet

	# Lookup the properties that need to be compiled into resource bundles.
	PROPSOURCES := $(shell $(FIND) $(LANGTOOLS_TOPDIR)/src/share/classes -name "*.properties")

	# Strip away prefix and suffix, leaving for example only: "com/sun/tools/javac/resources/javac_zh_CN"
	PROPPATHS := $(patsubst $(LANGTOOLS_TOPDIR)/src/share/classes/%.properties, %, $(PROPSOURCES))

	# Generate the list of java files to be created.
	PROPJAVAS := $(patsubst %, $(LANGTOOLS_OUTPUTDIR)/gensrc/%.java, $(PROPPATHS))

	# Generate the package dirs for the tobe generated java files.
	PROPDIRS := $(dir $(PROPJAVAS))

	# Now generate a sequence of "-compile ...javac_zh_CN.properties ...javac_zh_CN.java java.util.ListResourceBundle"
	# suitable to be fed into the CompileProperties command.
	PROPCMDLINE := $(subst _SPACE_, $(SPACE), $(join $(addprefix -compile_SPACE_, $(PROPSOURCES)), \
	$(addsuffix _SPACE_java.util.ListResourceBundle, $(addprefix _SPACE_$(LANGTOOLS_OUTPUTDIR)/gensrc/, $(addsuffix .java, $(PROPPATHS))))))

	# Now setup the rule for the generation of the resource bundles.
	$(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d: $(PROPSOURCES) $(BUILD_TOOLS)
	$(RM) -r $(@D)/*
	$(MKDIR) -p $(@D) $(PROPDIRS)
	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties
	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties
	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties
	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.properties
	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javadoc/resources/version.properties
	$(ECHO) Compiling $(words $(PROPSOURCES) v1 v2 v3) properties into resource bundles
	$(TOOL_COMPILEPROPS_CMD) $(PROPCMDLINE) \
	-compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties \
	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.java \
	java.util.ListResourceBundle \
	-compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties \
	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.java \
	java.util.ListResourceBundle \
	-compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties \
	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.java \
	java.util.ListResourceBundle \
	-compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.properties \
	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.java \
	java.util.ListResourceBundle \
	-compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javadoc/resources/version.properties \
	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javadoc/resources/version.java \
	java.util.ListResourceBundle
	$(ECHO) PROPS_ARE_CREATED = yes > $@

	# Trigger the generation of the resource bundles. After the resource bundles have
	# been compiled, then the makefile will restart and the newly created java files
	# will become part of the build further along in the makefile.
	-include $(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d

	ifeq ($(PROPS_ARE_CREATED), yes)
	# Setup the rules to build a dist/bootstrap/lib/javac.jar, ie a smaller intermediate javac
	# that can be compiled with an old javac. The intermediate javac is then used
	# to compile javac again and to build the complete new jdk.
	$(eval $(call SetupJavaCompilation,BUILD_BOOTSTRAP_LANGTOOLS, \
	SETUP := BOOT_JAVAC, \
	DISABLE_SJAVAC := true, \
	SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc, \
	EXCLUDES := com/sun/tools/javac/nio, \
	COPY := $(RESOURCE_SUFFIXES), \
	BIN := $(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap))

	$(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVAC, $(BUILD_BOOTSTRAP_LANGTOOLS), \
	SRCS := $(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap, \
	JAR := $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar, \
	SUFFIXES := .class $(RESOURCE_SUFFIXES)))

	# GenStubs is used to bootstrap any dependencies from javac to the new JDK that is not
	# yet built. It is currently not needed but might be again in the future. The following
	# exercises the functionality to verify that it works.
	TOOL_GENSTUBS_CMD = $(JAVA) \
	"-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \
	-classpath $(LANGTOOLS_OUTPUTDIR)/btclasses \
	genstubs.GenStubs

	# We fetch source from the JDK...
	JDKS = $(JDK_TOPDIR)/src/share/classes

	# Build the list of classes to generate stubs from. java/util/function/Predicate.java isn't
	# currently needed, but is used as a demo for now.

	STUBSOURCES := $(shell $(FIND) $(JDKS) -name "*.java" \| $(GREP) \
	-e "$(JDKS)/java/util/function/Predicate.java")

	# Rewrite the file names into class names because the GenStubs tool require this.
	STUBCLASSES := $(subst /,., $(patsubst $(JDKS)/%.java, %, $(STUBSOURCES)))

	# Now setup the build recipe for genstubs.
	$(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d: $(STUBSOURCES) $(BUILD_TOOLS) \
	$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \
	$(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d
	$(MKDIR) -p $(@D)
	$(MKDIR) -p $(LANGTOOLS_OUTPUTDIR)/tmpstubs
	$(ECHO) $(LOG_INFO) Generating stubs from JDK sources.
	($(TOOL_GENSTUBS_CMD) -s $(LANGTOOLS_OUTPUTDIR)/tmpstubs -sourcepath $(JDKS) $(STUBCLASSES) && $(ECHO) STUBS_ARE_CREATED = yes > $@)
	if $(DIFF) -x "_the*" -rq $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(LANGTOOLS_OUTPUTDIR)/genstubs > /dev/null 2>&1; then \
	$(ECHO) $(LOG_INFO) No changes in the stubs!; \
	$(RM) -r $(LANGTOOLS_OUTPUTDIR)/tmpstubs; \
	else \
	$(ECHO) $(LOG_INFO) Changes in stubs detected!; \
	$(RM) -r $(@D); \
	$(MV) $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(@D); \
	fi
	$(ECHO) STUBS_ARE_CREATED = yes > $@

	# Trigger a generation of the genstubs java source code and a restart
	# of the makefile to make sure that the following build setup use the
	# newly created java files.
	-include $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d

	ifeq ($(STUBS_ARE_CREATED), yes)
	# Setup a compiler configuration using the intermediate javac in dist/bootstrap/lib/javac.jar
	# that generates code for the new jdk that is being built.
	# The code compiled by this compiler setup, cannot necessarily be run with the bootstrap jvm.
	$(eval $(call SetupJavaCompiler,GENERATE_NEWBYTECODE, \
	JVM := $(JAVA), \
	JAVAC := "-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \
	-cp $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \
	com.sun.tools.javac.Main, \
	FLAGS := -XDignore.symbol.file=true -Xlint:all$(COMMA)-deprecation -Werror, \
	SERVER_DIR := $(SJAVAC_SERVER_DIR), \
	SERVER_JVM := $(SJAVAC_SERVER_JAVA)))

	$(eval $(call SetupJavaCompilation,BUILD_FULL_JAVAC, \
	SETUP := GENERATE_NEWBYTECODE, \
	SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc \
	$(LANGTOOLS_OUTPUTDIR)/genstubs, \
	EXCLUDES := java/util java/io java/nio, \
	COPY := $(RESOURCE_SUFFIXES), \
	BIN := $(LANGTOOLS_OUTPUTDIR)/classes))

	$(eval $(call SetupArchive,ARCHIVE_FULL_JAVAC, $(BUILD_FULL_JAVAC), \
	SETUP := GENERATE_NEWBYTECODE, \
	SRCS := $(LANGTOOLS_OUTPUTDIR)/classes, \
	SUFFIXES := .class $(RESOURCE_SUFFIXES), \
	JAR := $(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar))

	$(eval $(call SetupZipArchive,ZIP_FULL_JAVAC_SOURCE, \
	SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc, \
	ZIP := $(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip))

	all: $(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar \
	$(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip \
	$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar

	endif
	endif