#

# 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

	$(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

	$(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