1 #
   2 # Copyright (c) 2007, 2011, 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 #
  27 # Common java/javac/jdk variables used by all the Java makefiles.
  28 # This file should not contain rules.
  29 #
  30 
  31 # WARNING: This file is shared with other workspaces.
  32 #          So when it includes other files, it must use JDK_TOPDIR.
  33 #
  34 
  35 #
  36 # Memory related -J flags that all uses of java tools should use.
  37 #
  38 JAVA_MEM_FLAGS   = -Xmx$(MAX_VM_MEMORY)m
  39 ifeq ($(ARCH), ia64)
  40   # Special flags for javac on ia64 to work around a VM problem with
  41   #   bad code generation during inlining (what version had this problem?):
  42   #   Suspect this may not be needed anymore.
  43   JAVA_MEM_FLAGS   += -Xms$(MAX_VM_MEMORY)m -XX:-Inline
  44 else
  45   JAVA_MEM_FLAGS   += -Xms$(MIN_VM_MEMORY)m -XX:PermSize=32m -XX:MaxPermSize=160m
  46 endif
  47 
  48 #
  49 # All java tools (javac, javah, and javadoc) run faster with certain java
  50 #    options, this macro should be used with all these tools.
  51 #    In particular, the client VM makes these tools run faster when
  52 #    it's available.
  53 #
  54 ADD_CLIENT_VM_OPTION = false
  55 ifeq ($(PLATFORM), solaris)
  56   ADD_CLIENT_VM_OPTION = true
  57 else
  58   ifeq ($(ARCH_DATA_MODEL), 32)
  59     ADD_CLIENT_VM_OPTION = true
  60   endif
  61 endif
  62 
  63 # Options for hotspot to turn off printing of options with fastdebug version
  64 #   and creating the hotspot.log file.
  65 JAVA_HOTSPOT_DISABLE_PRINT_VMOPTIONS = \
  66    -XX:-PrintVMOptions -XX:+UnlockDiagnosticVMOptions -XX:-LogVMOutput
  67 
  68 # JVM options
  69 JAVA_JVM_FLAGS = $(JAVA_HOTSPOT_DISABLE_PRINT_VMOPTIONS)
  70 
  71 ifeq ($(ADD_CLIENT_VM_OPTION), true)
  72   JAVA_JVM_FLAGS += -client
  73 endif
  74 ifdef USE_HOTSPOT_INTERPRETER_MODE
  75   JAVA_JVM_FLAGS += -Xint
  76 endif
  77 
  78 # Various VM flags
  79 JAVA_TOOLS_FLAGS  = $(JAVA_JVM_FLAGS) $(JAVA_MEM_FLAGS)
  80 
  81 # The VM flags for javac
  82 JAVAC_JVM_FLAGS =
  83 
  84 # 64-bit builds require a larger thread stack size.
  85 ifeq ($(ARCH_DATA_MODEL), 32)
  86   JAVAC_JVM_FLAGS    += -J-XX:ThreadStackSize=768
  87 else
  88   JAVAC_JVM_FLAGS    += -J-XX:ThreadStackSize=1536
  89 endif
  90 JAVAC_JVM_FLAGS    += $(JAVA_TOOLS_FLAGS:%=-J%)
  91 
  92 # The jar -J options are special, must be added at the end of the command line
  93 JAR_JFLAGS       = $(JAVA_TOOLS_FLAGS:%=-J%)
  94 
  95 # JAVA_TOOLS_DIR is the default location to find Java tools to run, if
  96 #    langtools is not available.
  97 #    This should be the latest promoted JDK javac.
  98 ifndef JAVA_TOOLS_DIR
  99   JAVA_TOOLS_DIR = $(JDK_IMPORT_PATH)/bin
 100 endif
 101 
 102 #
 103 # Invoking the Java compiler.   In leaf makefiles, choose as follows:
 104 #  -- Use JAVAC if you want to take full control of what options get
 105 #     passed to javac.
 106 #  -- Use JAVAC_CMD if you want to take the defaults given to you.
 107 #
 108 
 109 ifndef DEBUG_CLASSFILES
 110   ifeq ($(VARIANT), DBG)
 111     DEBUG_CLASSFILES = true
 112   endif
 113 endif
 114 JAVACFLAGS =
 115 ifeq ($(DEBUG_CLASSFILES),true)
 116   JAVACFLAGS += -g
 117 endif
 118 ifeq ($(JAVAC_MAX_WARNINGS), true)
 119   JAVACFLAGS  += -Xlint:all
 120 endif
 121 ifeq ($(JAVAC_WARNINGS_FATAL), true)
 122   JAVACFLAGS  += -Werror
 123 endif
 124 
 125 #
 126 # Some licensees do not get the Security Source bundles.  We will
 127 # fall back on the prebuilt jce.jar so that we can do a best
 128 # attempt at building.  If sources exist, we always want to
 129 # build/use the most recent source instead of an older jce.jar, whether
 130 # built implicitly/explicitly.
 131 #
 132 ifeq ($(wildcard $(SHARE_SRC)/classes/javax/crypto/Cipher.java),)
 133   JCEFLAGS = $(CLASSPATH_SEPARATOR)$(LIBDIR)/jce.jar
 134 endif
 135 
 136 # Add the source level
 137 SOURCE_LANGUAGE_VERSION = 8
 138 LANGUAGE_VERSION = -source $(SOURCE_LANGUAGE_VERSION)
 139 JAVACFLAGS  += $(LANGUAGE_VERSION)
 140 
 141 # Add the class version we want
 142 TARGET_CLASS_VERSION = 8
 143 CLASS_VERSION = -target $(TARGET_CLASS_VERSION)
 144 JAVACFLAGS  += $(CLASS_VERSION)
 145 JAVACFLAGS  += -encoding ascii
 146 JAVACFLAGS  += "-Xbootclasspath:$(CLASSBINDIR)$(JCEFLAGS)"
 147 JAVACFLAGS  += $(OTHER_JAVACFLAGS)
 148 
 149 # Needed for javah
 150 JAVAHFLAGS += -bootclasspath "$(CLASSBINDIR)$(JCEFLAGS)"
 151 
 152 # Needed for javadoc to ensure it builds documentation
 153 # against the newly built classes
 154 JAVADOCFLAGS += -bootclasspath $(CLASSBINDIR)
 155 
 156 # Needed for JAVADOC and BOOT_JAVACFLAGS
 157 NO_PROPRIETARY_API_WARNINGS = -XDignore.symbol.file=true
 158 
 159 # Langtools
 160 ifdef LANGTOOLS_DIST
 161   JAVAC_JAR   = $(LANGTOOLS_DIST)/bootstrap/lib/javac.jar
 162   JAVAH_JAR   = $(LANGTOOLS_DIST)/bootstrap/lib/javah.jar
 163   JAVADOC_JAR = $(LANGTOOLS_DIST)/bootstrap/lib/javadoc.jar
 164   DOCLETS_JAR = $(LANGTOOLS_DIST)/bootstrap/lib/doclets.jar
 165   JAVAC_CMD   = $(BOOT_JAVA_CMD) \
 166                 "-Xbootclasspath/p:$(JAVAC_JAR)" \
 167                 -jar $(JAVAC_JAR) $(JAVACFLAGS)
 168   JAVAH_CMD   = $(BOOT_JAVA_CMD) \
 169                 "-Xbootclasspath/p:$(JAVAH_JAR)$(CLASSPATH_SEPARATOR)$(JAVAC_JAR)"  \
 170                 -jar $(JAVAH_JAR) $(JAVAHFLAGS)
 171   JAVADOC_CMD = $(BOOT_JAVA_CMD) \
 172                 "-Xbootclasspath/p:$(JAVADOC_JAR)$(CLASSPATH_SEPARATOR)$(JAVAC_JAR)$(CLASSPATH_SEPARATOR)$(DOCLETS_JAR)" \
 173                 -jar $(JAVADOC_JAR) $(JAVADOCFLAGS)
 174 else
 175   # If no explicit tools, use boot tools (add VM flags in this case)
 176   JAVAC_CMD     = $(JAVA_TOOLS_DIR)/javac $(JAVAC_JVM_FLAGS) \
 177                   $(JAVACFLAGS)
 178   JAVAH_CMD     = $(JAVA_TOOLS_DIR)/javah \
 179                   $(JAVAHFLAGS)
 180   JAVADOC_CMD   = $(JAVA_TOOLS_DIR)/javadoc $(JAVA_TOOLS_FLAGS:%=-J%) \
 181                   $(JAVADOCFLAGS)
 182 endif
 183 
 184 # Override of what javac to use (see deploy workspace)
 185 ifdef JAVAC
 186   JAVAC_CMD     = $(JAVAC)
 187 endif
 188 
 189 #
 190 # The bootstrap java compiler (defined as the javac in the ALT_BOOTDIR jdk).
 191 #   Will be used to compile java code used to build the jdk, e.g. class files
 192 #   created by this compiler will NOT become part of this built jdk, but just
 193 #   used to build this jdk, e.g. run with the java in the ALT_BOOTDIR jdk.
 194 #
 195 # The javac supplied with the LANGTOOLS_DIST should be used to build the
 196 #   classes that will be put into the built jdk. But note that this javac
 197 #   will use the ALT_BOOTDIR java runtime. Any classes created by the
 198 #   LANGTOOLS_DIST javac should not be run during this jdk build and indeed
 199 #   may not even run with the ALT_BOOTDIR jdk because they may be a newer
 200 #   class file version that the ALT_BOOTDIR jdk doesn't understand.
 201 #
 202 # The important observation here is that the built jdk is NOT run during
 203 #   the build. If the built jdk needs to be verified that it can build this
 204 #   same jdk, then it should be supplied to the build process as the ALT_BOOTDIR
 205 #   jdk, and this resulting built jdk should be compared to the first one.
 206 #   (They should be the same). Re-using this built jdk as the ALT_BOOTDIR
 207 #   jdk will be the only way and the recommeneded way to verify the built jdk
 208 #   can bootstrap itself.
 209 #
 210 
 211 # The javac options supplied to the boot javac is limited. This compiler
 212 #   should only be used to build the 'make/tools' sources, which are not
 213 #   class files that end up in the classes directory.
 214 ifeq ($(JAVAC_MAX_WARNINGS), true)
 215   BOOT_JAVACFLAGS  += -Xlint:all
 216 endif
 217 ifeq ($(JAVAC_WARNINGS_FATAL), true)
 218   BOOT_JAVACFLAGS  += -Werror
 219 endif
 220 
 221 BOOT_SOURCE_LANGUAGE_VERSION = 7
 222 BOOT_TARGET_CLASS_VERSION = 7
 223 BOOT_JAVACFLAGS  += -encoding ascii -source $(BOOT_SOURCE_LANGUAGE_VERSION) -target $(BOOT_TARGET_CLASS_VERSION)
 224 BOOT_JAR_JFLAGS += $(JAR_JFLAGS)
 225 
 226 BOOT_JAVACFLAGS  += $(NO_PROPRIETARY_API_WARNINGS)
 227 
 228 BOOT_JAVA_CMD      = $(BOOTDIR)/bin/java $(JAVA_TOOLS_FLAGS)
 229 BOOT_JAVAC_CMD     = $(BOOTDIR)/bin/javac $(JAVAC_JVM_FLAGS) $(BOOT_JAVACFLAGS)
 230 BOOT_JAR_CMD       = $(BOOTDIR)/bin/jar
 231 BOOT_JARSIGNER_CMD = $(BOOTDIR)/bin/jarsigner
 232 
 233 # Various tools we need to run (FIXUP: Are these the right ones?)
 234 NATIVE2ASCII    = $(BOOTDIR)/bin/native2ascii $(JAVA_TOOLS_FLAGS:%=-J%)
 235 RMIC            = $(BOOTDIR)/bin/rmic $(JAVA_TOOLS_FLAGS:%=-J%)
 236 IDLJ            = $(BOOTDIR)/bin/idlj $(JAVA_TOOLS_FLAGS:%=-J%)
 237 
 238 # Should not be used
 239 JAVA            = /should/not/be/used
 240