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 
  26 ifndef _SETUP_GMK
  27 _SETUP_GMK := 1
  28 
  29 include JavaCompilation.gmk
  30 
  31 DISABLE_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"
  35 JAVAC_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 
  80 JDK_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 
  94 endif # _SETUP_GMK