SetupJavaCompilers.gmk revision 1169:980f315286b9
1# 2# Copyright (c) 2011, 2014, 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 26ifndef _SETUP_GMK 27_SETUP_GMK := 1 28 29include JavaCompilation.gmk 30 31DISABLE_WARNINGS := -Xlint:all,-deprecation,-unchecked,-rawtypes,-cast,-serial,-dep-ann,-static,-fallthrough,-try,-varargs,-empty,-finally 32 33# To build with all warnings enabled, do the following: 34# make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000" 35JAVAC_WARNINGS := -Xlint:all,-deprecation -Werror 36 37# The BOOT_JAVAC setup uses the boot jdk compiler to compile the tools 38# and the interim javac, to be run by the boot jdk. 39$(eval $(call SetupJavaCompiler,BOOT_JAVAC, \ 40 JAVAC := $(JAVAC), \ 41 FLAGS := -XDignore.symbol.file=true -g -Xlint:all$(COMMA)-deprecation -Werror)) 42 43# Any java code executed during a JDK build to build other parts of the JDK must be 44# executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this 45# purpose must be built with -target PREVIOUS for bootstrapping purposes, which 46# requires restricting to language level and api of previous JDK. 47# 48# The generate old bytecode javac setup uses the new compiler to compile for the 49# boot jdk to generate tools that need to be run with the boot jdk. 50# Thus we force the target bytecode to the previous JDK version. 51$(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \ 52 JVM := $(JAVA_SMALL), \ 53 JAVAC := $(NEW_JAVAC), \ 54 FLAGS := $(BOOT_JDK_SOURCETARGET) -bootclasspath $(BOOT_RTJAR) $(DISABLE_WARNINGS), \ 55 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 56 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 57 58# The generate new bytecode javac setup uses the new compiler to compile for the 59# new jdk. This new bytecode might only be possible to run using the new jvm. 60$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \ 61 JVM := $(JAVA), \ 62 JAVAC := $(NEW_JAVAC), \ 63 FLAGS := -source 9 -target 9 \ 64 -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS) \ 65 $(GENERATE_JDKBYTECODE_EXTRA_FLAGS), \ 66 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 67 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 68 69# The generate new bytecode javac setup uses the new compiler to compile for the 70# new jdk. This new bytecode might only be possible to run using the new jvm. 71$(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \ 72 JVM := $(JAVA), \ 73 JAVAC := $(NEW_JAVAC), \ 74 FLAGS := -source 9 -target 9 \ 75 -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS) \ 76 $(GENERATE_JDKBYTECODE_EXTRA_FLAGS), \ 77 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 78 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 79 80JDK_BOOTCLASSPATH := $(subst $(SPACE),$(PATH_SEP),\ 81 $(filter-out $(JDK_OUTPUTDIR)/modules/_%, $(wildcard $(JDK_OUTPUTDIR)/modules/*))) 82 83# After the jdk is built, we want to build demos using only the recently 84# generated jdk classes and nothing else, no jdk source, etc etc. 85# I.e. the rt.jar, but since rt.jar has not yet been generated 86# (it will be in "make images") therefore we use classes instead. 87$(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \ 88 JVM := $(JAVA_SMALL), \ 89 JAVAC := $(NEW_JAVAC), \ 90 FLAGS := -bootclasspath "$(JDK_BOOTCLASSPATH)" $(DISABLE_WARNINGS), \ 91 SERVER_DIR := $(SJAVAC_SERVER_DIR), \ 92 SERVER_JVM := $(SJAVAC_SERVER_JAVA))) 93 94endif # _SETUP_GMK 95