1 #
   2 # Copyright (c) 2011, 2017, 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 JavaCompilation.gmk
  30 
  31 DISABLE_WARNINGS := -Xlint:all,-deprecation,-removal,-unchecked,-rawtypes,-cast,-serial,-dep-ann,-static,-fallthrough,-try,-varargs,-empty,-finally
  32 
  33 # If warnings needs to be non-fatal for testing purposes use a command like:
  34 # make JAVAC_WARNINGS="-Xlint:all -Xmaxwarns 10000"
  35 JAVAC_WARNINGS := -Xlint:all -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 := \
  42         $(JAVA_TOOL_FLAGS_SMALL) \
  43         $(BOOT_JDK_SOURCETARGET) \
  44         -XDignore.symbol.file=true -g \
  45         -Xlint:all$(COMMA)-deprecation$(COMMA)-options -Werror, \
  46     DISABLE_SJAVAC := true, \
  47 ))
  48 
  49 # Any java code executed during a JDK build to build other parts of the JDK must be
  50 # executed by the bootstrap JDK (probably with -Xbootclasspath/p: ) and for this
  51 # purpose must be built with -target PREVIOUS for bootstrapping purposes, which
  52 # requires restricting to language level and api of previous JDK.
  53 #
  54 # The generate old bytecode javac setup uses the new compiler to compile for the
  55 # boot jdk to generate tools that need to be run with the boot jdk.
  56 # Thus we force the target bytecode to the previous JDK version.
  57 # Add -Xlint:-options to avoid the warning about not setting -bootclasspath. Since
  58 # it's running on the boot jdk, the default bootclasspath is correct.
  59 $(eval $(call SetupJavaCompiler,GENERATE_OLDBYTECODE, \
  60     JVM := $(JAVA_SMALL), \
  61     JAVAC := $(NEW_JAVAC), \
  62     FLAGS := $(BOOT_JDK_SOURCETARGET) -XDignore.symbol.file=true -XDstringConcat=inline \
  63         $(DISABLE_WARNINGS) -Xlint:-options, \
  64     SERVER_DIR := $(SJAVAC_SERVER_DIR), \
  65     SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
  66 
  67 # The generate new bytecode javac setup uses the new compiler to compile for the
  68 # new jdk. This new bytecode might only be possible to run using the new jvm.
  69 $(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE, \
  70     JVM := $(JAVA_JAVAC), \
  71     JAVAC := $(NEW_JAVAC), \
  72     FLAGS := -source 10 -target 10 --doclint-format html5 \
  73         -encoding ascii -XDignore.symbol.file=true $(JAVAC_WARNINGS), \
  74     SERVER_DIR := $(SJAVAC_SERVER_DIR), \
  75     SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
  76 
  77 # The generate new bytecode javac setup uses the new compiler to compile for the
  78 # new jdk. This new bytecode might only be possible to run using the new jvm.
  79 $(eval $(call SetupJavaCompiler,GENERATE_JDKBYTECODE_NOWARNINGS, \
  80     JVM := $(JAVA_JAVAC), \
  81     JAVAC := $(NEW_JAVAC), \
  82     FLAGS := -source 10 -target 10 \
  83         -encoding ascii -XDignore.symbol.file=true $(DISABLE_WARNINGS), \
  84     SERVER_DIR := $(SJAVAC_SERVER_DIR), \
  85     SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
  86 
  87 # After the jdk is built, we want to build demos using only the recently
  88 # generated jdk classes and nothing else, no jdk source, etc etc.
  89 # I.e. the rt.jar, but since rt.jar has not yet been generated
  90 # (it will be in "make images") therefore we use classes instead.
  91 $(eval $(call SetupJavaCompiler,GENERATE_USINGJDKBYTECODE, \
  92     JVM := $(JAVA_SMALL), \
  93     JAVAC := $(NEW_JAVAC), \
  94     FLAGS := --upgrade-module-path $(JDK_OUTPUTDIR)/modules --system none $(DISABLE_WARNINGS), \
  95     SERVER_DIR := $(SJAVAC_SERVER_DIR), \
  96     SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
  97 
  98 # Use boot javac to generate JDK 8 compatible class files explicitly
  99 $(eval $(call SetupJavaCompiler,GENERATE_8_BYTECODE, \
 100     JAVAC := $(JAVAC), \
 101     FLAGS := \
 102         $(JAVA_TOOL_FLAGS_SMALL) \
 103         --release 8 \
 104         -XDignore.symbol.file=true -g \
 105         -Xlint:all -Werror, \
 106     DISABLE_SJAVAC := true, \
 107 ))
 108 
 109 endif # _SETUP_GMK