1 # 2 # Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. 3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 # 5 # This code is free software; you can redistribute it and/or modify it 6 # under the terms of the GNU General Public License version 2 only, as 7 # published by the Free Software Foundation. Oracle designates this 8 # particular file as subject to the "Classpath" exception as provided 9 # by Oracle in the LICENSE file that accompanied this code. 10 # 11 # This code is distributed in the hope that it will be useful, but WITHOUT 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 # version 2 for more details (a copy is included in the LICENSE file that 15 # accompanied this code). 16 # 17 # You should have received a copy of the GNU General Public License version 18 # 2 along with this work; if not, write to the Free Software Foundation, 19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 # 21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 # or visit www.oracle.com if you need additional information or have any 23 # questions. 24 # 25 26 ifndef _SETUP_GMK 27 _SETUP_GMK := 1 28 29 # Include custom extension hook 30 $(eval $(call IncludeCustomExtension, common/SetupJavaCompilers.gmk)) 31 32 include JavaCompilation.gmk 33 34 DISABLE_WARNINGS ?= -Xlint:all,-deprecation,-removal,-unchecked,-rawtypes,-cast,-serial,-dep-ann,-static,-fallthrough,-try,-varargs,-empty,-finally 35 36 # If warnings needs to be non-fatal for testing purposes use a command like: 37 # make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000" 38 JAVAC_WARNINGS ?= -Xlint:all -Werror 39 40 # The BOOT_JAVAC setup uses the boot jdk compiler to compile the tools 41 # and the interim javac, to be run by the boot jdk. 42 $(eval $(call SetupJavaCompiler,BOOT_JAVAC, \ 43 JAVAC := $(JAVAC), \ 44 FLAGS := \ 45 $(JAVA_TOOL_FLAGS_SMALL) \ 46 $(BOOT_JDK_SOURCETARGET) \ 47 -XDignore.symbol.file=true -g \ 48 -Xlint:all$(COMMA)-deprecation$(COMMA)-options -Werror, \ 49 DISABLE_SJAVAC := true, \ 50 )) 51 52 # Any java code executed during a JDK build to build other parts of the JDK must be 53 # executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this 54 # purpose must be built with -target PREVIOUS for bootstrapping purposes, which 55 # requires restricting to language level and api of previous JDK. 56 # 57 # The generate old bytecode javac setup uses the new compiler to compile for the 58 # boot jdk to generate tools that need to be run with the boot jdk. 59 # Thus we force the target bytecode to the previous JDK version. 60 # Add -Xlint:-options to avoid the warning about not setting -bootclasspath. Since 61 # it's running on the boot jdk, the default bootclasspath is correct. 62 $(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \ 63 JVM := $(JAVA_SMALL), \ 64 JAVAC := $(NEW_JAVAC), \ 65 FLAGS := $(BOOT_JDK_SOURCETARGET) -XDignore.symbol.file=true -XDstringConcat=inline \ 66 $(DISABLE_WARNINGS) -Xlint:-options, \ 67 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 68 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 69 70 # The generate new bytecode javac setup uses the new compiler to compile for the 71 # new jdk. This new bytecode might only be possible to run using the new jvm. 72 $(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \ 73 JVM := $(JAVA_JAVAC), \ 74 JAVAC := $(NEW_JAVAC), \ 75 FLAGS := -source 12 -target 12 --doclint-format html5 \ 76 -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS), \ 77 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 78 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 79 80 # The generate new bytecode javac setup uses the new compiler to compile for the 81 # new jdk. This new bytecode might only be possible to run using the new jvm. 82 $(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \ 83 JVM := $(JAVA_JAVAC), \ 84 JAVAC := $(NEW_JAVAC), \ 85 FLAGS := -source 12 -target 12 \ 86 -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS), \ 87 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 88 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 89 90 # After the jdk is built, we want to build demos using only the recently 91 # generated jdk classes and nothing else, no jdk source, etc etc. 92 # I.e. the rt.jar, but since rt.jar has not yet been generated 93 # (it will be in "make images") therefore we use classes instead. 94 $(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \ 95 JVM := $(JAVA_SMALL), \ 96 JAVAC := $(NEW_JAVAC), \ 97 FLAGS := --upgrade-module-path $(JDK_OUTPUTDIR)/modules --system none $(DISABLE_WARNINGS), \ 98 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 99 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 100 101 # Use boot javac to generate JDK 8 compatible class files explicitly 102 $(eval $(call SetupJavaCompiler,GENERATE_8_BYTECODE, \ 103 JAVAC := $(JAVAC), \ 104 FLAGS := \ 105 $(JAVA_TOOL_FLAGS_SMALL) \ 106 --release 8 \ 107 -XDignore.symbol.file=true -g \ 108 -Xlint:all -Werror, \ 109 DISABLE_SJAVAC := true, \ 110 )) 111 112 endif # _SETUP_GMK