#

# Copyright (c) 2011, 2018, 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.

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# questions.

#

ifndef _SETUP_GMK

_SETUP_GMK := 1

# Include custom extension hook

$(eval $(call IncludeCustomExtension, common/SetupJavaCompilers.gmk))

include JavaCompilation.gmk

DISABLE_WARNINGS ?= -Xlint:all,-deprecation,-removal,-unchecked,-rawtypes,-cast,-serial,-dep-ann,-static,-fallthrough,-try,-varargs,-empty,-finally

# If warnings needs to be non-fatal for testing purposes use a command like:

# make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000"

JAVAC_WARNINGS ?= -Xlint:all -Werror

# The BOOT_JAVAC setup uses the boot jdk compiler to compile the tools

# and the interim javac, to be run by the boot jdk.

$(eval $(call SetupJavaCompiler,BOOT_JAVAC, \

    JAVAC := $(JAVAC), \

    FLAGS := \

        $(JAVA_TOOL_FLAGS_SMALL) \

        $(BOOT_JDK_SOURCETARGET) \

        -XDignore.symbol.file=true -g \

        -Xlint:all$(COMMA)-deprecation$(COMMA)-options -Werror, \

    DISABLE_SJAVAC := true, \

))

# 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.

# Add -Xlint:-options to avoid the warning about not setting -bootclasspath. Since

# it's running on the boot jdk, the default bootclasspath is correct.

$(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \

    JVM := $(JAVA_SMALL), \

    JAVAC := $(NEW_JAVAC), \

    FLAGS := $(BOOT_JDK_SOURCETARGET) -XDignore.symbol.file=true -XDstringConcat=inline \

        $(DISABLE_WARNINGS) -Xlint:-options, \

    SERVER_DIR := $(SJAVAC_SERVER_DIR), \

    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))

ifneq ($(ERRORPRONE_JAR), )

  # Extra flags needed to run bootstrap javac with the errorprone static code

  # analysis tool as -Xplugin.

  ERRORPRONE_JAVA_FLAGS := \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.api=ALL-UNNAMED \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.util=ALL-UNNAMED \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.tree=ALL-UNNAMED \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.main=ALL-UNNAMED \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.code=ALL-UNNAMED \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.processing=ALL-UNNAMED \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.parser=ALL-UNNAMED \

          --add-exports jdk.compiler.interim/com.sun.tools.javac.comp=ALL-UNNAMED \

          --add-opens=jdk.compiler.interim/com.sun.tools.javac.comp=ALL-UNNAMED \

          #

  ERRORPRONE_JAVAC_FLAGS := \

          '-Xplugin:ErrorProne -XepDisableAllChecks -Xep:CollectionIncompatibleType:ERROR' \

          -XDcompilePolicy=byfile \

          #

endif

# 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) $(ERRORPRONE_JAVA_FLAGS), \

    JAVAC := $(NEW_JAVAC), \

    FLAGS := -source 12 -target 12 --doclint-format html5 \

        -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS) \

        $(ERRORPRONE_JAVAC_FLAGS), \

    PROCESSORPATH := $(ERRORPRONE_JAR), \

    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), \

    JAVAC := $(NEW_JAVAC), \

    FLAGS := -source 12 -target 12 \

        -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS), \

    SERVER_DIR := $(SJAVAC_SERVER_DIR), \

    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))

# 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 := --upgrade-module-path $(JDK_OUTPUTDIR)/modules --system none $(DISABLE_WARNINGS), \

    SERVER_DIR := $(SJAVAC_SERVER_DIR), \

    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))

# Use boot javac to generate JDK 8 compatible class files explicitly

$(eval $(call SetupJavaCompiler,GENERATE_8_BYTECODE, \

    JAVAC := $(JAVAC), \

    FLAGS := \

        $(JAVA_TOOL_FLAGS_SMALL) \

        --release 8 \

        -XDignore.symbol.file=true -g \

        -Xlint:all -Werror, \

    DISABLE_SJAVAC := true, \

))

endif # _SETUP_GMK