1 #
   2 # Copyright (c) 2011, 2013, 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 # Configured @DATE_WHEN_CONFIGURED@ to build
  27 # for target system @OPENJDK_TARGET_OS@-@OPENJDK_TARGET_CPU@
  28 #   (called @OPENJDK_TARGET_AUTOCONF_NAME@ by autoconf)
  29 # on build system @OPENJDK_BUILD_OS@-@OPENJDK_BUILD_CPU@
  30 #   (called @OPENJDK_BUILD_AUTOCONF_NAME@ by autoconf)
  31 # using 'configure @CONFIGURE_COMMAND_LINE@'
  32 
  33 # When calling macros, the spaces between arguments are 
  34 # often semantically important! Sometimes we need to subst 
  35 # spaces and commas, therefore we need the following macros.
  36 X:=
  37 SPACE:=$(X) $(X)
  38 COMMA:=,
  39 HASH:=\#
  40 SQUOTE:='
  41 #'
  42 DQUOTE:="
  43 #"
  44 define NEWLINE
  45 
  46 
  47 endef
  48 
  49 # A self-referential reference to this file.
  50 SPEC:=@SPEC@
  51 
  52 # Specify where the spec file is.
  53 MAKE_ARGS="SPEC=$(SPEC)"
  54 
  55 MAKE:=@MAKE@
  56 
  57 # Pass along the verbosity setting.
  58 ifeq (,$(findstring VERBOSE=,$(MAKE)))
  59     MAKE:=$(MAKE) $(VERBOSE) VERBOSE="$(VERBOSE)"
  60 endif
  61 
  62 # No implicit variables or rules!
  63 ifeq (,$(findstring -R,$(MAKE)))
  64     MAKE:=$(MAKE) -R
  65 endif
  66 
  67 # Specify where the common include directory for makefiles is.
  68 ifeq (,$(findstring -I @SRC_ROOT@/common/makefiles,$(MAKE)))
  69     MAKE:=$(MAKE) -I @SRC_ROOT@/common/makefiles
  70 endif
  71 
  72 # The "human readable" name of this configuration
  73 CONF_NAME:=@CONF_NAME@
  74 
  75 # The built jdk will run in this target system.
  76 OPENJDK_TARGET_OS:=@OPENJDK_TARGET_OS@
  77 OPENJDK_TARGET_OS_API:=@OPENJDK_TARGET_OS_API@
  78 OPENJDK_TARGET_OS_ENV:=@OPENJDK_TARGET_OS_ENV@
  79 
  80 OPENJDK_TARGET_CPU:=@OPENJDK_TARGET_CPU@
  81 OPENJDK_TARGET_CPU_ARCH:=@OPENJDK_TARGET_CPU_ARCH@
  82 OPENJDK_TARGET_CPU_BITS:=@OPENJDK_TARGET_CPU_BITS@
  83 OPENJDK_TARGET_CPU_ENDIAN:=@OPENJDK_TARGET_CPU_ENDIAN@
  84 
  85 COMPILE_TYPE:=@COMPILE_TYPE@
  86 
  87 # Legacy support
  88 OPENJDK_TARGET_CPU_ISADIR:=@OPENJDK_TARGET_CPU_ISADIR@
  89 OPENJDK_TARGET_CPU_LIBDIR:=@OPENJDK_TARGET_CPU_LIBDIR@
  90 OPENJDK_TARGET_CPU_LEGACY:=@OPENJDK_TARGET_CPU_LEGACY@
  91 OPENJDK_TARGET_CPU_LEGACY_LIB:=@OPENJDK_TARGET_CPU_LEGACY_LIB@
  92 OPENJDK_TARGET_CPU_OSARCH:=@OPENJDK_TARGET_CPU_OSARCH@
  93 OPENJDK_TARGET_CPU_JLI_CFLAGS:=@OPENJDK_TARGET_CPU_JLI_CFLAGS@
  94 OPENJDK_TARGET_OS_API_DIR:=@OPENJDK_TARGET_OS_API_DIR@
  95 
  96 # We are building on this build system.
  97 # When not cross-compiling, it is the same as the target.
  98 OPENJDK_BUILD_OS:=@OPENJDK_BUILD_OS@
  99 OPENJDK_BUILD_OS_API:=@OPENJDK_BUILD_OS_API@
 100 
 101 OPENJDK_BUILD_CPU:=@OPENJDK_BUILD_CPU@
 102 OPENJDK_BUILD_CPU_ARCH:=@OPENJDK_BUILD_CPU_ARCH@
 103 OPENJDK_BUILD_CPU_BITS:=@OPENJDK_BUILD_CPU_BITS@
 104 OPENJDK_BUILD_CPU_ENDIAN:=@OPENJDK_BUILD_CPU_ENDIAN@
 105 
 106 # Legacy OS values for use in release file.
 107 REQUIRED_OS_NAME:=@REQUIRED_OS_NAME@
 108 REQUIRED_OS_VERSION:=@REQUIRED_OS_VERSION@
 109 
 110 @SET_OPENJDK@
 111 LIBM:=-lm
 112 LIBDL:=@LIBDL@
 113 
 114 # colon or semicolon
 115 PATH_SEP:=@PATH_SEP@
 116 
 117 ifeq ($(OPENJDK_TARGET_OS), windows)
 118   # On Windows, the Visual Studio toolchain needs the LIB and INCLUDE
 119   # environment variables (in Windows path style), and the PATH needs to
 120   # be adjusted to include Visual Studio tools (but this needs to be in
 121   # cygwin/msys style).
 122   export PATH:=@VS_PATH@
 123   export INCLUDE:=@VS_INCLUDE@
 124   export LIB:=@VS_LIB@
 125 endif
 126 
 127 # The sys root where standard headers and libraries are found.
 128 # Usually not needed since the configure script should have
 129 # taken it into account already when setting CFLAGS et al.
 130 SYS_ROOT:=@SYS_ROOT@
 131 
 132 # Paths to the source code
 133 SRC_ROOT:=@SRC_ROOT@
 134 ADD_SRC_ROOT:=@ADD_SRC_ROOT@
 135 OVERRIDE_SRC_ROOT:=@OVERRIDE_SRC_ROOT@
 136 TOPDIR:=@SRC_ROOT@
 137 OUTPUT_ROOT:=@OUTPUT_ROOT@
 138 JDK_TOPDIR:=@JDK_TOPDIR@
 139 LANGTOOLS_TOPDIR:=@LANGTOOLS_TOPDIR@
 140 CORBA_TOPDIR:=@CORBA_TOPDIR@
 141 JAXP_TOPDIR:=@JAXP_TOPDIR@
 142 JAXWS_TOPDIR:=@JAXWS_TOPDIR@
 143 HOTSPOT_TOPDIR:=@HOTSPOT_TOPDIR@
 144 COPYRIGHT_YEAR:=@COPYRIGHT_YEAR@
 145 
 146 # Location where build customization files may be found
 147 CUSTOM_MAKE_DIR:=@CUSTOM_MAKE_DIR@
 148 
 149 # Information gathered from the version.numbers file.
 150 JDK_MAJOR_VERSION:=@JDK_MAJOR_VERSION@
 151 JDK_MINOR_VERSION:=@JDK_MINOR_VERSION@
 152 JDK_MICRO_VERSION:=@JDK_MICRO_VERSION@
 153 JDK_UPDATE_VERSION:=@JDK_UPDATE_VERSION@
 154 JDK_BUILD_NUMBER:=@JDK_BUILD_NUMBER@
 155 MILESTONE:=@MILESTONE@
 156 LAUNCHER_NAME:=@LAUNCHER_NAME@
 157 PRODUCT_NAME:=@PRODUCT_NAME@
 158 PRODUCT_SUFFIX:=@PRODUCT_SUFFIX@
 159 JDK_RC_PLATFORM_NAME:=@JDK_RC_PLATFORM_NAME@
 160 COMPANY_NAME:=@COMPANY_NAME@
 161 MACOSX_BUNDLE_NAME_BASE=@MACOSX_BUNDLE_NAME_BASE@
 162 MACOSX_BUNDLE_ID_BASE=@MACOSX_BUNDLE_ID_BASE@
 163 
 164 # Different version strings generated from the above information.
 165 JDK_VERSION:=@JDK_VERSION@
 166 RUNTIME_NAME=$(PRODUCT_NAME) $(PRODUCT_SUFFIX)
 167 COOKED_BUILD_NUMBER:=@COOKED_BUILD_NUMBER@
 168 # These variables need to be generated here so that MILESTONE and
 169 # JDK_BUILD_NUMBER can be overridden on the make command line.
 170 ifeq ($(MILESTONE),)
 171   RELEASE=$(JDK_VERSION)$(BUILD_VARIANT_RELEASE)
 172 else
 173   RELEASE=$(JDK_VERSION)-$(MILESTONE)$(BUILD_VARIANT_RELEASE)
 174 endif
 175 ifeq ($(JDK_BUILD_NUMBER),b00)
 176   USER_RELEASE_SUFFIX=@USER_RELEASE_SUFFIX@
 177   FULL_VERSION=$(RELEASE)-$(USER_RELEASE_SUFFIX)-$(JDK_BUILD_NUMBER)
 178 else
 179   FULL_VERSION=$(RELEASE)-$(JDK_BUILD_NUMBER)
 180 endif
 181 JRE_RELEASE_VERSION:=$(FULL_VERSION)
 182 
 183 # How to compile the code: release, fastdebug or slowdebug
 184 DEBUG_LEVEL:=@DEBUG_LEVEL@
 185 
 186 # This is the JDK variant to build.
 187 # The JDK variant is a name for a specific set of modules to be compiled for the JDK.
 188 JDK_VARIANT:=@JDK_VARIANT@
 189 
 190 # Should we compile support for running with a graphical UI? (ie headful)
 191 # Should we compile support for running without? (ie headless)
 192 SUPPORT_HEADFUL:=@SUPPORT_HEADFUL@
 193 SUPPORT_HEADLESS:=@SUPPORT_HEADLESS@
 194 # Legacy defines controlled by the SUPPORT_HEADLESS and SUPPORT_HEADFUL options.
 195 @BUILD_HEADLESS@
 196 
 197 # These are the libjvms that we want to build.
 198 # The java launcher uses the default.
 199 # The others can be selected by specifying -client -server -minimal1 -kernel -zero or -zeroshark
 200 # on the java launcher command line.
 201 JVM_VARIANTS:=@JVM_VARIANTS@
 202 JVM_VARIANT_SERVER:=@JVM_VARIANT_SERVER@
 203 JVM_VARIANT_CLIENT:=@JVM_VARIANT_CLIENT@
 204 JVM_VARIANT_MINIMAL1:=@JVM_VARIANT_MINIMAL1@
 205 JVM_VARIANT_KERNEL:=@JVM_VARIANT_KERNEL@
 206 JVM_VARIANT_ZERO:=@JVM_VARIANT_ZERO@
 207 JVM_VARIANT_ZEROSHARK:=@JVM_VARIANT_ZEROSHARK@
 208 
 209 # Universal binaries on macosx
 210 MACOSX_UNIVERSAL=@MACOSX_UNIVERSAL@
 211 
 212 # Legacy setting: -debug or -fastdebug
 213 # Still used in version string...
 214 BUILD_VARIANT_RELEASE:=@BUILD_VARIANT_RELEASE@
 215 
 216 # JDK_OUTPUTDIR specifies where a working jvm is built.
 217 # You can run $(JDK_OUTPUTDIR)/bin/java
 218 # Though the layout of the contents of $(JDK_OUTPUTDIR) is not
 219 # yet the same as a default installation.
 220 #
 221 # When you run "make install" it will create the standardized
 222 # layout for the jdk and the jre inside the IMAGES_OUTPUTDIR subdir.
 223 # Then it will copy the contents of the jdk into the installation
 224 # directory.
 225 
 226 BUILD_OUTPUT:=@BUILD_OUTPUT@
 227 LANGTOOLS_OUTPUTDIR=$(BUILD_OUTPUT)/langtools
 228 CORBA_OUTPUTDIR=$(BUILD_OUTPUT)/corba
 229 JAXP_OUTPUTDIR=$(BUILD_OUTPUT)/jaxp
 230 JAXWS_OUTPUTDIR=$(BUILD_OUTPUT)/jaxws
 231 HOTSPOT_OUTPUTDIR=$(BUILD_OUTPUT)/hotspot
 232 JDK_OUTPUTDIR=$(BUILD_OUTPUT)/jdk
 233 IMAGES_OUTPUTDIR=$(BUILD_OUTPUT)/images
 234 JCE_OUTPUTDIR=$(BUILD_OUTPUT)/jce-release
 235 
 236 LANGTOOLS_DIST=$(LANGTOOLS_OUTPUTDIR)/dist
 237 CORBA_DIST=$(CORBA_OUTPUTDIR)/dist
 238 JAXP_DIST=$(JAXP_OUTPUTDIR)/dist
 239 JAXWS_DIST=$(JAXWS_OUTPUTDIR)/dist
 240 HOTSPOT_DIST=@HOTSPOT_DIST@
 241 
 242 BUILD_HOTSPOT=@BUILD_HOTSPOT@
 243 
 244 # The boot jdk to use
 245 BOOT_JDK:=@BOOT_JDK@
 246 BOOT_JDK_JVMARGS:=@BOOT_JDK_JVMARGS@
 247 BOOT_RTJAR:=@BOOT_RTJAR@
 248 BOOT_TOOLSJAR=$(BOOT_JDK)/lib/tools.jar
 249 
 250 # When compiling Java source to be run by the boot jdk
 251 # use these extra flags, eg -source 6 -target 6
 252 BOOT_JDK_SOURCETARGET:=@BOOT_JDK_SOURCETARGET@
 253 
 254 # Information about the build system
 255 NUM_CORES:=@NUM_CORES@
 256 # Enable sjavac support = use a javac server,
 257 # multi core javac compilation and dependency tracking.
 258 ENABLE_SJAVAC:=@ENABLE_SJAVAC@
 259 # Store sjavac server synchronization files here, and
 260 # the sjavac server log files.
 261 SJAVAC_SERVER_DIR:=@SJAVAC_SERVER_DIR@
 262 
 263 # Number of parallel jobs to use for compilation
 264 JOBS?=@JOBS@
 265 
 266 # The OpenJDK makefiles should be changed to using the standard
 267 # configure output ..._CFLAGS and ..._LIBS. In the meantime we
 268 # extract the information here.
 269 FREETYPE2_LIB_PATH:=@FREETYPE2_LIB_PATH@
 270 FREETYPE2_LIBS:=@FREETYPE2_LIBS@
 271 FREETYPE2_CFLAGS:=@FREETYPE2_CFLAGS@
 272 USING_SYSTEM_FT_LIB=@USING_SYSTEM_FT_LIB@
 273 CUPS_CFLAGS:=@CUPS_CFLAGS@
 274 
 275 PACKAGE_PATH=@PACKAGE_PATH@
 276 
 277 # Source file for cacerts
 278 CACERTS_FILE=@CACERTS_FILE@
 279 
 280 # Enable unlimited crypto policy
 281 UNLIMITED_CRYPTO=@UNLIMITED_CRYPTO@
 282 
 283 # Necessary additional compiler flags to compile X11 
 284 X_CFLAGS:=@X_CFLAGS@
 285 X_LIBS:=@X_LIBS@
 286 OPENWIN_HOME:=@OPENWIN_HOME@
 287 
 288 # DirectX SDK
 289 DXSDK_LIB_PATH=@DXSDK_LIB_PATH@
 290 DXSDK_INCLUDE_PATH=@DXSDK_INCLUDE_PATH@
 291 
 292 # The lowest required version of macosx to enforce compatiblity for
 293 MACOSX_VERSION_MIN=@MACOSX_VERSION_MIN@
 294 
 295 # There are two types: CC or CL
 296 # CC is gcc and others behaving reasonably similar.
 297 # CL is cl.exe only.
 298 COMPILER_TYPE:=@COMPILER_TYPE@
 299 
 300 CC_OUT_OPTION:=@CC_OUT_OPTION@
 301 EXE_OUT_OPTION:=@EXE_OUT_OPTION@
 302 LD_OUT_OPTION:=@LD_OUT_OPTION@
 303 AR_OUT_OPTION:=@AR_OUT_OPTION@
 304 
 305 # Flags used for overriding the default opt setting for a C/C++ source file.
 306 C_O_FLAG_HIGHEST:=@C_O_FLAG_HIGHEST@
 307 C_O_FLAG_HI:=@C_O_FLAG_HI@
 308 C_O_FLAG_NORM:=@C_O_FLAG_NORM@
 309 C_O_FLAG_NONE:=@C_O_FLAG_NONE@
 310 CXX_O_FLAG_HIGHEST:=@CXX_O_FLAG_HIGHEST@
 311 CXX_O_FLAG_HI:=@CXX_O_FLAG_HI@
 312 CXX_O_FLAG_NORM:=@CXX_O_FLAG_NORM@
 313 CXX_O_FLAG_NONE:=@CXX_O_FLAG_NONE@
 314 
 315 C_FLAG_DEPS:=@C_FLAG_DEPS@
 316 CXX_FLAG_DEPS:=@CXX_FLAG_DEPS@
 317 
 318 # Tools that potentially need to be cross compilation aware.
 319 CC:=@FIXPATH@ @CCACHE@ @CC@
 320 
 321 # CFLAGS used to compile the jdk native libraries (C-code)
 322 CFLAGS_JDKLIB:=@CFLAGS_JDKLIB@
 323 CXXFLAGS_JDKLIB:=@CXXFLAGS_JDKLIB@
 324 
 325 # CFLAGS used to compile the jdk native launchers (C-code)
 326 CFLAGS_JDKEXE:=@CFLAGS_JDKEXE@
 327 CXXFLAGS_JDKEXE:=@CXXFLAGS_JDKEXE@
 328 
 329 CXX:=@FIXPATH@ @CCACHE@ @CXX@
 330 #CXXFLAGS:=@CXXFLAGS@
 331 
 332 OBJC:=@CCACHE@ @OBJC@
 333 #OBJCFLAGS:=@OBJCFLAGS@
 334 
 335 CPP:=@FIXPATH@ @CPP@
 336 #CPPFLAGS:=@CPPFLAGS@
 337 
 338 # The linker can be gcc or ld on posix systems, or link.exe on windows systems.
 339 LD:=@FIXPATH@ @LD@
 340 
 341 # LDFLAGS used to link the jdk native libraries (C-code)
 342 LDFLAGS_JDKLIB:=@LDFLAGS_JDKLIB@
 343 LDFLAGS_JDKLIB_SUFFIX:=@LDFLAGS_JDKLIB_SUFFIX@
 344 
 345 # On some platforms the linker cannot be used to create executables, thus
 346 # the need for a separate LDEXE command.
 347 LDEXE:=@FIXPATH@ @LDEXE@
 348 
 349 # LDFLAGS used to link the jdk native launchers (C-code)
 350 LDFLAGS_JDKEXE:=@LDFLAGS_JDKEXE@
 351 LDFLAGS_JDKEXE_SUFFIX:=@LDFLAGS_JDKEXE_SUFFIX@
 352 
 353 # LDFLAGS specific to C++ linking.
 354 LDFLAGS_CXX_JDK:=@LDFLAGS_CXX_JDK@
 355 
 356 # Sometimes a different linker is needed for c++ libs
 357 LDCXX:=@FIXPATH@ @LDCXX@
 358 # The flags for linking libstdc++ linker.
 359 LIBCXX:=@LIBCXX@
 360 
 361 # Sometimes a different linker is needed for c++ executables
 362 LDEXECXX:=@FIXPATH@ @LDEXECXX@
 363 
 364 # BUILD_CC/BUILD_LD is a compiler/linker that generates code that is runnable on the
 365 # build platform.
 366 BUILD_CC:=@FIXPATH@ @BUILD_CC@
 367 BUILD_LD:=@FIXPATH@ @BUILD_LD@
 368 
 369 AS:=@FIXPATH@ @AS@
 370 
 371 # AR is used to create a static library (is ar in posix, lib.exe in windows)
 372 AR:=@FIXPATH@ @AR@
 373 ARFLAGS:=@ARFLAGS@
 374 
 375 NM:=@NM@
 376 STRIP:=@STRIP@
 377 MCS:=@MCS@
 378 
 379 LIPO:=@LIPO@
 380 
 381 # Command to create a shared library
 382 SHARED_LIBRARY_FLAGS:=@SHARED_LIBRARY_FLAGS@
 383 
 384 # Options to linker to specify a mapfile. 
 385 # (Note absence of := assignment, because we do not want to evaluate the macro body here)
 386 SET_SHARED_LIBRARY_MAPFILE=@SET_SHARED_LIBRARY_MAPFILE@
 387 
 388 # Options for C/CXX compiler to be used if linking is performed
 389 #   using reorder file
 390 C_FLAG_REORDER:=@C_FLAG_REORDER@
 391 CXX_FLAG_REORDER:=@CXX_FLAG_REORDER@
 392 
 393 #
 394 # Options for generating debug symbols
 395 ENABLE_DEBUG_SYMBOLS:=@ENABLE_DEBUG_SYMBOLS@
 396 CFLAGS_DEBUG_SYMBOLS:=@CFLAGS_DEBUG_SYMBOLS@
 397 CXXFLAGS_DEBUG_SYMBOLS:=@CXXFLAGS_DEBUG_SYMBOLS@
 398 ZIP_DEBUGINFO_FILES:=@ZIP_DEBUGINFO_FILES@
 399 
 400 #
 401 # Compress (or not) jars
 402 COMPRESS_JARS=@COMPRESS_JARS@
 403 
 404 # Options to linker to specify the library name.
 405 # (Note absence of := assignment, because we do not want to evaluate the macro body here)
 406 SET_SHARED_LIBRARY_NAME=@SET_SHARED_LIBRARY_NAME@
 407 
 408 # Set origin using the linker, ie use the relative path to the dependent library to find the dependees.
 409 # (Note absence of := assignment, because we do not want to evaluate the macro body here)
 410 SET_SHARED_LIBRARY_ORIGIN=@SET_SHARED_LIBRARY_ORIGIN@
 411 SET_EXECUTABLE_ORIGIN=@SET_EXECUTABLE_ORIGIN@
 412 
 413 # Different OS:es have different ways of naming shared libraries.
 414 # The SHARED_LIBRARY macro takes "verify" as and argument and returns:
 415 #    "libverify.so" or "libverify.dylib" or "verify.dll" depending on platform.
 416 # (Note absence of := assignment, because we do not want to evaluate the macro body here)
 417 SHARED_LIBRARY=@SHARED_LIBRARY@
 418 STATIC_LIBRARY=@STATIC_LIBRARY@
 419 LIBRARY_PREFIX:=@LIBRARY_PREFIX@
 420 SHARED_LIBRARY_SUFFIX:=@SHARED_LIBRARY_SUFFIX@
 421 STATIC_LIBRARY_SUFFIX:=@STATIC_LIBRARY_SUFFIX@
 422 EXE_SUFFIX:=@EXE_SUFFIX@
 423 OBJ_SUFFIX:=@OBJ_SUFFIX@
 424 
 425 POST_STRIP_CMD:=@POST_STRIP_CMD@
 426 POST_MCS_CMD:=@POST_MCS_CMD@
 427 
 428 JAVA_FLAGS:=@BOOT_JDK_JVMARGS@
 429 
 430 JAVA=@FIXPATH@ $(BOOT_JDK)/bin/java $(JAVA_FLAGS)
 431 
 432 JAVAC=@FIXPATH@ $(BOOT_JDK)/bin/javac
 433 # Hotspot sets this variable before reading the SPEC when compiling sa-jdi.jar. Avoid
 434 # overriding that value by using ?=.
 435 JAVAC_FLAGS?=@JAVAC_FLAGS@
 436 
 437 JAVAH=@FIXPATH@ $(BOOT_JDK)/bin/javah
 438 
 439 JAR=@FIXPATH@ $(BOOT_JDK)/bin/jar
 440 
 441 RMIC=@FIXPATH@ $(BOOT_JDK)/bin/rmic
 442 
 443 NATIVE2ASCII=@FIXPATH@ $(BOOT_JDK)/bin/native2ascii
 444 
 445 JARSIGNER=@FIXPATH@ $(BOOT_JDK)/bin/jarsigner
 446 
 447 # You run the new javac using the boot jdk with $(BOOT_JDK)/bin/java $(NEW_JAVAC) ...
 448 BOOTSTRAP_JAVAC_JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar
 449 BOOTSTRAP_JAVAC_ARGS:="-Xbootclasspath/p:$(BOOTSTRAP_JAVAC_JAR)" -cp $(BOOTSTRAP_JAVAC_JAR)
 450 NEW_JAVAC   = $(BOOTSTRAP_JAVAC_ARGS) com.sun.tools.javac.Main
 451 NEW_JAVADOC = $(BOOTSTRAP_JAVAC_ARGS) com.sun.tools.javadoc.Main
 452 
 453 # Base flags for RC
 454 # Guarding this against resetting value. Legacy make files include spec multiple
 455 # times.
 456 ifndef RC_FLAGS
 457 RC_FLAGS:=@RC_FLAGS@
 458 endif
 459 
 460 # A specific java binary with specific options can be used to run
 461 # the long running background sjavac servers and other long running tasks.
 462 SJAVAC_SERVER_JAVA:=@FIXPATH@ @SJAVAC_SERVER_JAVA@
 463 
 464 # Tools adhering to a minimal and common standard of posix compliance.
 465 AWK:=@AWK@
 466 BASENAME:=@BASENAME@
 467 BASH:=@BASH@
 468 CAT:=@CAT@
 469 CCACHE:=@CCACHE@
 470 # CD is going away, but remains to cater for legacy makefiles.
 471 CD:=cd
 472 CHMOD:=@CHMOD@
 473 COMM:=@COMM@
 474 CP:=@CP@
 475 CPIO:=@CPIO@
 476 CUT:=@CUT@
 477 DATE:=@DATE@
 478 DIFF:=@DIFF@
 479 DIRNAME:=@DIRNAME@
 480 FIND:=@FIND@
 481 FIND_DELETE:=@FIND_DELETE@
 482 ECHO:=@ECHO@
 483 EGREP:=@EGREP@
 484 FGREP:=@FGREP@
 485 GREP:=@GREP@
 486 HEAD:=@HEAD@
 487 LS:=@LS@
 488 LN:=@LN@
 489 MKDIR:=@MKDIR@
 490 MV:=@MV@
 491 NAWK:=@NAWK@
 492 PRINTF:=@PRINTF@
 493 PWD:=@THEPWDCMD@
 494 RM:=@RM@
 495 SED:=@SED@
 496 SH:=@SH@
 497 SORT:=@SORT@
 498 TAR:=@TAR@
 499 TAIL:=@TAIL@
 500 TEE:=@TEE@
 501 TIME:=@TIME@
 502 TR:=@TR@
 503 TOUCH:=@TOUCH@
 504 UNIQ:=@UNIQ@
 505 WC:=@WC@
 506 XARGS:=@XARGS@
 507 ZIPEXE:=@ZIP@
 508 ZIP:=@ZIP@
 509 UNZIP:=@UNZIP@
 510 MT:=@FIXPATH@ @MT@
 511 RC:=@FIXPATH@ @RC@
 512 DUMPBIN:=@FIXPATH@ @DUMPBIN@
 513 CYGPATH:=@CYGPATH@
 514 LDD:=@LDD@
 515 OTOOL:=@OTOOL@
 516 READELF:=@READELF@
 517 EXPR:=@EXPR@
 518 FILE:=@FILE@
 519 HG:=@HG@
 520 OBJCOPY:=@OBJCOPY@
 521 SETFILE:=@SETFILE@
 522 
 523 FIXPATH:=@FIXPATH@
 524 
 525 # Where the build output is stored for your convenience.
 526 BUILD_LOG:=@BUILD_LOG@
 527 BUILD_LOG_PREVIOUS:=@BUILD_LOG_PREVIOUS@
 528 # Disable the build log wrapper on sjavac+winapi until
 529 # we have solved how to prevent the log wrapper to wait
 530 # for the background sjavac server process.
 531 ifeq (@ENABLE_SJAVAC@X@OPENJDK_BUILD_OS_API@,yesXwinapi)
 532     BUILD_LOG_WRAPPER:=
 533 else
 534     BUILD_LOG_WRAPPER:=@BUILD_LOG_WRAPPER@
 535 endif
 536 
 537 # Build setup
 538 ENABLE_JFR=@ENABLE_JFR@
 539 DISABLE_INTREE_EC=@DISABLE_INTREE_EC@
 540 USE_EXTERNAL_LIBJPEG:=@USE_EXTERNAL_LIBJPEG@
 541 USE_EXTERNAL_LIBGIF:=@USE_EXTERNAL_LIBGIF@
 542 USE_EXTERNAL_LIBZ:=@USE_EXTERNAL_LIBZ@
 543 LIBZIP_CAN_USE_MMAP:=@LIBZIP_CAN_USE_MMAP@
 544 MSVCR_DLL:=@MSVCR_DLL@
 545 
 546 
 547 # ADD_SRCS takes a single argument with source roots
 548 # and appends any corresponding source roots found
 549 # below --with-add-source-root and below
 550 # --with-override-source-root. It is the responsibility
 551 # of the next macro to get rid of superfluous files.
 552 ADD_SRCS=$1
 553 ifneq (,$(ADD_SRC_ROOT))
 554     # Append wildcard rule to pickup any matching source roots found below ADD_SRC_ROOT 
 555     ADD_SRCS+=$(wildcard $(subst $(SRC_ROOT),$(ADD_SRC_ROOT),$1))
 556 endif
 557 ifneq (,$(OVERRIDE_SRC_ROOT))
 558     # Append wildcard rule to pickup any matching source roots found below OVERRIDE_SRC_ROOT 
 559     ADD_SRCS+=$(wildcard $(subst $(SRC_ROOT),$(OVERRIDE_SRC_ROOT),$1))
 560 endif
 561 
 562 # OVR_SRCS creates a filter expression to filter out sources in
 563 # the original source directory that lie inside directories below
 564 # --with-override-source-root.
 565 # Use := here since we want to scan for these files here. To avoid recomputation later.
 566 # We cannot do the scan in configure, since that would force us to rerun configure when
 567 # we add overridden sources.
 568 ifneq (,$(OVERRIDE_SRC_ROOT))
 569     OVR_SRCS:=$(addsuffix %,$(subst $(OVERRIDE_SRC_ROOT),$(SRC_ROOT),$(sort $(dir $(shell $(FIND) $(OVERRIDE_SRC_ROOT) -type f)))))
 570 else
 571     OVR_SRCS:=
 572 endif
 573 
 574 ####################################################
 575 #
 576 # INSTALLATION
 577 #
 578 
 579 # Common prefix for all installed files. Defaults to /usr/local,
 580 # but /opt/myjdk is another common version. 
 581 INSTALL_PREFIX=@prefix@
 582 
 583 # Directories containing architecture-dependent files should be relative to exec_prefix
 584 INSTALL_EXECPREFIX=@exec_prefix@
 585 
 586 # java,javac,javah,javap etc are installed here.
 587 INSTALL_BINDIR=@bindir@
 588 
 589 # Read only architecture-independent data
 590 INSTALL_DATADIR=@datadir@
 591 
 592 # Root of above.
 593 INSTALL_DATAROOTDIR=@datarootdir@
 594 
 595 # Doc files, other than info and man.
 596 INSTALL_DOCDIR=@docdir@
 597 
 598 # Html documentation
 599 INSTALL_HTMLDIR=@htmldir@
 600 
 601 # Installing C header files, JNI headers for example.
 602 INSTALL_INCLUDEDIR=@includedir@
 603 
 604 # Installing library files....
 605 INSTALL_INCLUDEDIR=@libdir@
 606 
 607 # Executables that other programs run.
 608 INSTALL_LIBEXECDIR=@libexecdir@
 609 
 610 # Locale-dependent but architecture-independent data, such as message catalogs. 
 611 INSTALL_LOCALEDIR=@localedir@
 612 
 613 # Modifiable single-machine data
 614 INSTALL_LOCALSTATEDIR=@localstatedir@
 615 
 616 # Man pages
 617 INSTALL_MANDIR=@mandir@
 618 
 619 # Modifiable architecture-independent data.
 620 INSTALL_SHAREDSTATEDIR=@sharedstatedir@
 621 
 622 # Read-only single-machine data
 623 INSTALL_SYSCONFDIR=@sysconfdir@
 624 
 625 
 626 ####################################################
 627 #
 628 # Misc
 629 #
 630 
 631 # Name of Service Agent library
 632 SALIB_NAME=@SALIB_NAME@
 633 
 634 OS_VERSION_MAJOR:=@OS_VERSION_MAJOR@
 635 OS_VERSION_MINOR:=@OS_VERSION_MINOR@
 636 OS_VERSION_MICRO:=@OS_VERSION_MICRO@
 637 
 638 # Images directory definitions
 639 JDK_IMAGE_SUBDIR:=j2sdk-image
 640 JRE_IMAGE_SUBDIR:=j2re-image
 641 JDK_OVERLAY_IMAGE_SUBDIR:=j2sdk-overlay-image
 642 JRE_OVERLAY_IMAGE_SUBDIR:=j2re-overlay-image
 643 JDK_IMAGE_DIR:=$(IMAGES_OUTPUTDIR)/$(JDK_IMAGE_SUBDIR)
 644 JRE_IMAGE_DIR:=$(IMAGES_OUTPUTDIR)/$(JRE_IMAGE_SUBDIR)
 645 JDK_OVERLAY_IMAGE_DIR:=$(IMAGES_OUTPUTDIR)/$(JDK_OVERLAY_IMAGE_SUBDIR)
 646 JRE_OVERLAY_IMAGE_DIR:=$(IMAGES_OUTPUTDIR)/$(JRE_OVERLAY_IMAGE_SUBDIR)
 647 
 648 # Macosx bundles directory definitions
 649 JDK_BUNDLE_SUBDIR:=j2sdk-bundle/jdk$(JDK_VERSION).jdk/Contents
 650 JRE_BUNDLE_SUBDIR:=j2re-bundle/jre$(JDK_VERSION).jre/Contents
 651 JDK_BUNDLE_DIR:=$(IMAGES_OUTPUTDIR)/$(JDK_BUNDLE_SUBDIR)
 652 JRE_BUNDLE_DIR:=$(IMAGES_OUTPUTDIR)/$(JRE_BUNDLE_SUBDIR)
 653 
 654 # Include the custom-spec.gmk file if it exists
 655 -include $(dir @SPEC@)/custom-spec.gmk