#+
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# Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.+
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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#+
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# This code is free software; you can redistribute it and/or modify it+
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# under the terms of the GNU General Public License version 2 only, as+
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# published by the Free Software Foundation.  Oracle designates this+
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# particular file as subject to the "Classpath" exception as provided+
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# by Oracle in the LICENSE file that accompanied this code.+
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#+
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# This code is distributed in the hope that it will be useful, but WITHOUT+
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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# version 2 for more details (a copy is included in the LICENSE file that+
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# accompanied this code).+
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#+
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# You should have received a copy of the GNU General Public License version+
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# 2 along with this work; if not, write to the Free Software Foundation,+
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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#+
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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# or visit www.oracle.com if you need additional information or have any+
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# questions.+
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#+
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+
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ifndef _SETUP_GMK+
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_SETUP_GMK := 1+
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+
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# Include custom extension hook+
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$(eval $(call IncludeCustomExtension, common/SetupJavaCompilers.gmk))+
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+
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include JavaCompilation.gmk+
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+
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DISABLE_WARNINGS ?= -Xlint:all,-deprecation,-removal,-unchecked,-rawtypes,-cast,-serial,-dep-ann,-static,-fallthrough,-try,-varargs,-empty,-finally+
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+
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JDK_SOURCE_TARGET_FLAGS := -source $(JDK_SOURCE_TARGET_VERSION) \+
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    -target $(JDK_SOURCE_TARGET_VERSION)+
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+
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# If warnings needs to be non-fatal for testing purposes use a command like:+
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# make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000"+
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JAVAC_WARNINGS ?= -Xlint:all -Werror+
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+
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# The BOOT_JAVAC setup uses the boot jdk compiler to compile the tools+
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# and the interim javac, to be run by the boot jdk.+
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$(eval $(call SetupJavaCompiler,BOOT_JAVAC, \+
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    JAVAC := $(JAVAC), \+
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    FLAGS := \+
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        $(JAVA_TOOL_FLAGS_SMALL) \+
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        $(BOOT_JDK_SOURCETARGET) \+
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        -XDignore.symbol.file=true -g \+
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        -Xlint:all$(COMMA)-deprecation$(COMMA)-options -Werror, \+
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    DISABLE_SJAVAC := true, \+
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))+
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+
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# Any java code executed during a JDK build to build other parts of the JDK must be+
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# executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this+
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# purpose must be built with -target PREVIOUS for bootstrapping purposes, which+
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# requires restricting to language level and api of previous JDK.+
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#+
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# The generate old bytecode javac setup uses the new compiler to compile for the+
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# boot jdk to generate tools that need to be run with the boot jdk.+
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# Thus we force the target bytecode to the previous JDK version.+
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# Add -Xlint:-options to avoid the warning about not setting -bootclasspath. Since+
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# it's running on the boot jdk, the default bootclasspath is correct.+
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$(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \+
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    JVM := $(JAVA_SMALL), \+
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    JAVAC := $(NEW_JAVAC), \+
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    FLAGS := $(BOOT_JDK_SOURCETARGET) -XDignore.symbol.file=true -XDstringConcat=inline \+
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        $(DISABLE_WARNINGS) -Xlint:-options, \+
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    SERVER_DIR := $(SJAVAC_SERVER_DIR), \+
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    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))+
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+
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# The generate new bytecode javac setup uses the new compiler to compile for the+
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# new jdk. This new bytecode might only be possible to run using the new jvm.+
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$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \+
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    JVM := $(JAVA_JAVAC), \+
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    JAVAC := $(NEW_JAVAC), \+
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    FLAGS := $(JDK_SOURCE_TARGET_FLAGS) --doclint-format html5 \+
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        -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS), \+
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    SERVER_DIR := $(SJAVAC_SERVER_DIR), \+
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    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))+
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+
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# The generate new bytecode javac setup uses the new compiler to compile for the+
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# new jdk. This new bytecode might only be possible to run using the new jvm.+
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$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \+
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    JVM := $(JAVA_JAVAC), \+
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    JAVAC := $(NEW_JAVAC), \+
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    FLAGS := $(JDK_SOURCE_TARGET_FLAGS) \+
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        -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS), \+
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    SERVER_DIR := $(SJAVAC_SERVER_DIR), \+
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    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))+
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+
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# After the jdk is built, we want to build demos using only the recently+
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# generated jdk classes and nothing else, no jdk source, etc etc.+
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# I.e. the rt.jar, but since rt.jar has not yet been generated+
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# (it will be in "make images") therefore we use classes instead.+
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$(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \+
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    JVM := $(JAVA_SMALL), \+
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    JAVAC := $(NEW_JAVAC), \+
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    FLAGS := --upgrade-module-path $(JDK_OUTPUTDIR)/modules --system none $(DISABLE_WARNINGS), \+
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    SERVER_DIR := $(SJAVAC_SERVER_DIR), \+
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    SERVER_JVM := $(SJAVAC_SERVER_JAVA)))+
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+
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# Use boot javac to generate JDK 8 compatible class files explicitly+
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$(eval $(call SetupJavaCompiler,GENERATE_8_BYTECODE, \+
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    JAVAC := $(JAVAC), \+
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    FLAGS := \+
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        $(JAVA_TOOL_FLAGS_SMALL) \+
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        --release 8 \+
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        -XDignore.symbol.file=true -g \+
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        -Xlint:all -Werror, \+
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    DISABLE_SJAVAC := true, \+
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))+
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+
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endif # _SETUP_GMK+
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