rev 52036 : 8211837: Creation of the default CDS Archive should depend on ENABLE_CDS

   1 #
   2 # Copyright (c) 2011, 2018, 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 # All valid JVM features, regardless of platform
  27 VALID_JVM_FEATURES="compiler1 compiler2 zero minimal dtrace jvmti jvmci \
  28     graal vm-structs jni-check services management cmsgc epsilongc g1gc parallelgc serialgc zgc nmt cds \
  29     static-build link-time-opt aot jfr"
  30 
  31 # Deprecated JVM features (these are ignored, but with a warning)
  32 DEPRECATED_JVM_FEATURES="trace"
  33 
  34 # All valid JVM variants
  35 VALID_JVM_VARIANTS="server client minimal core zero custom"
  36 
  37 ###############################################################################
  38 # Check if the specified JVM variant should be built. To be used in shell if
  39 # constructs, like this:
  40 # if HOTSPOT_CHECK_JVM_VARIANT(server); then
  41 #
  42 # Only valid to use after HOTSPOT_SETUP_JVM_VARIANTS has setup variants.
  43 
  44 # Definition kept in one line to allow inlining in if statements.
  45 # Additional [] needed to keep m4 from mangling shell constructs.
  46 AC_DEFUN([HOTSPOT_CHECK_JVM_VARIANT],
  47 [ [ [[ " $JVM_VARIANTS " =~ " $1 " ]] ] ])
  48 
  49 ###############################################################################
  50 # Check if the specified JVM features are explicitly enabled. To be used in
  51 # shell if constructs, like this:
  52 # if HOTSPOT_CHECK_JVM_FEATURE(jvmti); then
  53 #
  54 # Only valid to use after HOTSPOT_SETUP_JVM_FEATURES has setup features.
  55 
  56 # Definition kept in one line to allow inlining in if statements.
  57 # Additional [] needed to keep m4 from mangling shell constructs.
  58 AC_DEFUN([HOTSPOT_CHECK_JVM_FEATURE],
  59 [ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ])
  60 
  61 ###############################################################################
  62 # Check which variants of the JVM that we want to build. Available variants are:
  63 #   server: normal interpreter, and a tiered C1/C2 compiler
  64 #   client: normal interpreter, and C1 (no C2 compiler)
  65 #   minimal: reduced form of client with optional features stripped out
  66 #   core: normal interpreter only, no compiler
  67 #   zero: C++ based interpreter only, no compiler
  68 #   custom: baseline JVM with no default features
  69 #
  70 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],
  71 [
  72   AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],
  73       [JVM variants (separated by commas) to build (server,client,minimal,core,zero,custom) @<:@server@:>@])])
  74 
  75   SETUP_HOTSPOT_TARGET_CPU_PORT
  76 
  77   if test "x$with_jvm_variants" = x; then
  78     with_jvm_variants="server"
  79   fi
  80   JVM_VARIANTS_OPT="$with_jvm_variants"
  81 
  82   # Has the user listed more than one variant?
  83   # Additional [] needed to keep m4 from mangling shell constructs.
  84   if [ [[ "$JVM_VARIANTS_OPT" =~ "," ]] ]; then
  85     BUILDING_MULTIPLE_JVM_VARIANTS=true
  86   else
  87     BUILDING_MULTIPLE_JVM_VARIANTS=false
  88   fi
  89   # Replace the commas with AND for use in the build directory name.
  90   JVM_VARIANTS_WITH_AND=`$ECHO "$JVM_VARIANTS_OPT" | $SED -e 's/,/AND/g'`
  91 
  92   AC_MSG_CHECKING([which variants of the JVM to build])
  93   # JVM_VARIANTS is a space-separated list.
  94   # Also use minimal, not minimal1 (which is kept for backwards compatibility).
  95   JVM_VARIANTS=`$ECHO $JVM_VARIANTS_OPT | $SED -e 's/,/ /g' -e 's/minimal1/minimal/'`
  96   AC_MSG_RESULT([$JVM_VARIANTS])
  97 
  98   # Check that the selected variants are valid
  99   BASIC_GET_NON_MATCHING_VALUES(INVALID_VARIANTS, $JVM_VARIANTS, $VALID_JVM_VARIANTS)
 100   if test "x$INVALID_VARIANTS" != x; then
 101     AC_MSG_NOTICE([Unknown variant(s) specified: "$INVALID_VARIANTS"])
 102     AC_MSG_NOTICE([The available JVM variants are: "$VALID_JVM_VARIANTS"])
 103     AC_MSG_ERROR([Cannot continue])
 104   fi
 105 
 106   # All "special" variants share the same output directory ("server")
 107   VALID_MULTIPLE_JVM_VARIANTS="server client minimal"
 108   BASIC_GET_NON_MATCHING_VALUES(INVALID_MULTIPLE_VARIANTS, $JVM_VARIANTS, $VALID_MULTIPLE_JVM_VARIANTS)
 109   if  test "x$INVALID_MULTIPLE_VARIANTS" != x && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xtrue; then
 110     AC_MSG_ERROR([You cannot build multiple variants with anything else than $VALID_MULTIPLE_JVM_VARIANTS.])
 111   fi
 112 
 113   # The "main" variant is the one used by other libs to link against during the
 114   # build.
 115   if test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = "xtrue"; then
 116     MAIN_VARIANT_PRIO_ORDER="server client minimal"
 117     for variant in $MAIN_VARIANT_PRIO_ORDER; do
 118       if HOTSPOT_CHECK_JVM_VARIANT($variant); then
 119         JVM_VARIANT_MAIN="$variant"
 120         break
 121       fi
 122     done
 123   else
 124     JVM_VARIANT_MAIN="$JVM_VARIANTS"
 125   fi
 126 
 127   AC_SUBST(JVM_VARIANTS)
 128   AC_SUBST(VALID_JVM_VARIANTS)
 129   AC_SUBST(JVM_VARIANT_MAIN)
 130 
 131   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
 132     # zero behaves as a platform and rewrites these values. This is really weird. :(
 133     # We are guaranteed that we do not build any other variants when building zero.
 134     HOTSPOT_TARGET_CPU=zero
 135     HOTSPOT_TARGET_CPU_ARCH=zero
 136   fi
 137 ])
 138 
 139 ###############################################################################
 140 # Check if dtrace should be enabled and has all prerequisites present.
 141 #
 142 AC_DEFUN_ONCE([HOTSPOT_SETUP_DTRACE],
 143 [
 144   # Test for dtrace dependencies
 145   AC_ARG_ENABLE([dtrace], [AS_HELP_STRING([--enable-dtrace@<:@=yes/no/auto@:>@],
 146       [enable dtrace. Default is auto, where dtrace is enabled if all dependencies
 147       are present.])])
 148 
 149   DTRACE_DEP_MISSING=false
 150 
 151   AC_MSG_CHECKING([for dtrace tool])
 152   if test "x$DTRACE" != "x" && test -x "$DTRACE"; then
 153     AC_MSG_RESULT([$DTRACE])
 154   else
 155     AC_MSG_RESULT([not found, cannot build dtrace])
 156     DTRACE_DEP_MISSING=true
 157   fi
 158 
 159   AC_CHECK_HEADERS([sys/sdt.h], [DTRACE_HEADERS_OK=yes],[DTRACE_HEADERS_OK=no])
 160   if test "x$DTRACE_HEADERS_OK" != "xyes"; then
 161     DTRACE_DEP_MISSING=true
 162   fi
 163 
 164   AC_MSG_CHECKING([if dtrace should be built])
 165   if test "x$enable_dtrace" = "xyes"; then
 166     if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
 167       AC_MSG_RESULT([no, missing dependencies])
 168       HELP_MSG_MISSING_DEPENDENCY([dtrace])
 169       AC_MSG_ERROR([Cannot enable dtrace with missing dependencies. See above. $HELP_MSG])
 170     else
 171       INCLUDE_DTRACE=true
 172       AC_MSG_RESULT([yes, forced])
 173     fi
 174   elif test "x$enable_dtrace" = "xno"; then
 175     INCLUDE_DTRACE=false
 176     AC_MSG_RESULT([no, forced])
 177   elif test "x$enable_dtrace" = "xauto" || test "x$enable_dtrace" = "x"; then
 178     if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
 179       INCLUDE_DTRACE=false
 180       AC_MSG_RESULT([no, missing dependencies])
 181     else
 182       INCLUDE_DTRACE=true
 183       AC_MSG_RESULT([yes, dependencies present])
 184     fi
 185   else
 186     AC_MSG_ERROR([Invalid value for --enable-dtrace: $enable_dtrace])
 187   fi
 188 ])
 189 
 190 ################################################################################
 191 # Check if AOT should be enabled
 192 #
 193 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT],
 194 [
 195   AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@],
 196       [enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])])
 197 
 198   if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then
 199     ENABLE_AOT="true"
 200   elif test "x$enable_aot" = "xyes"; then
 201     ENABLE_AOT="true"
 202   elif test "x$enable_aot" = "xno"; then
 203     ENABLE_AOT="false"
 204   else
 205     AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot])
 206   fi
 207 
 208   if test "x$ENABLE_AOT" = "xtrue"; then
 209     # Only enable AOT on X64 platforms.
 210     if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
 211       if test -e "${TOPDIR}/src/jdk.aot"; then
 212         if test -e "${TOPDIR}/src/jdk.internal.vm.compiler"; then
 213           ENABLE_AOT="true"
 214         else
 215           ENABLE_AOT="false"
 216           if test "x$enable_aot" = "xyes"; then
 217             AC_MSG_ERROR([Cannot build AOT without src/jdk.internal.vm.compiler sources. Remove --enable-aot.])
 218           fi
 219         fi
 220       else
 221         ENABLE_AOT="false"
 222         if test "x$enable_aot" = "xyes"; then
 223           AC_MSG_ERROR([Cannot build AOT without src/jdk.aot sources. Remove --enable-aot.])
 224         fi
 225       fi
 226     else
 227       ENABLE_AOT="false"
 228       if test "x$enable_aot" = "xyes"; then
 229         AC_MSG_ERROR([AOT is currently only supported on x86_64 and aarch64. Remove --enable-aot.])
 230       fi
 231     fi
 232   fi
 233 
 234   AC_SUBST(ENABLE_AOT)
 235 ])
 236 
 237 ################################################################################
 238 # Allow to disable CDS
 239 #
 240 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_CDS],
 241 [
 242   AC_ARG_ENABLE([cds], [AS_HELP_STRING([--enable-cds@<:@=yes/no/auto@:>@],
 243       [enable class data sharing feature in non-minimal VM. Default is auto, where cds is enabled if supported on the platform.])])
 244 
 245   if test "x$enable_cds" = "x" || test "x$enable_cds" = "xauto"; then
 246     ENABLE_CDS="true"
 247   elif test "x$enable_cds" = "xyes"; then
 248     ENABLE_CDS="true"
 249   elif test "x$enable_cds" = "xno"; then
 250     ENABLE_CDS="false"
 251   else
 252     AC_MSG_ERROR([Invalid value for --enable-cds: $enable_cds])
 253   fi
 254 








 255   AC_SUBST(ENABLE_CDS)
 256 ])
 257 
 258 ###############################################################################
 259 # Set up all JVM features for each JVM variant.
 260 #
 261 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
 262 [
 263   # Prettify the VALID_JVM_FEATURES string
 264   BASIC_SORT_LIST(VALID_JVM_FEATURES, $VALID_JVM_FEATURES)
 265 
 266   # The user can in some cases supply additional jvm features. For the custom
 267   # variant, this defines the entire variant.
 268   AC_ARG_WITH([jvm-features], [AS_HELP_STRING([--with-jvm-features],
 269       [JVM features to enable (foo) or disable (-foo), separated by comma. Use '--help' to show possible values @<:@none@:>@])])
 270   if test "x$with_jvm_features" != x; then
 271     AC_MSG_CHECKING([user specified JVM feature list])
 272     USER_JVM_FEATURE_LIST=`$ECHO $with_jvm_features | $SED -e 's/,/ /g'`
 273     AC_MSG_RESULT([$user_jvm_feature_list])
 274     # These features will be added to all variant defaults
 275     JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (!match($i, /^-.*/)) printf("%s ", $i) }'`
 276     # These features will be removed from all variant defaults
 277     DISABLED_JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (match($i, /^-.*/)) printf("%s ", substr($i, 2))}'`
 278 
 279     # Verify that the user has provided valid features
 280     BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $VALID_JVM_FEATURES $DEPRECATED_JVM_FEATURES)
 281     if test "x$INVALID_FEATURES" != x; then
 282       AC_MSG_NOTICE([Unknown JVM features specified: "$INVALID_FEATURES"])
 283       AC_MSG_NOTICE([The available JVM features are: "$VALID_JVM_FEATURES"])
 284       AC_MSG_ERROR([Cannot continue])
 285     fi
 286 
 287     # Check if the user has provided deprecated features
 288     BASIC_GET_MATCHING_VALUES(DEPRECATED_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $DEPRECATED_JVM_FEATURES)
 289     if test "x$DEPRECATED_FEATURES" != x; then
 290       AC_MSG_WARN([Deprecated JVM features specified (will be ignored): "$DEPRECATED_FEATURES"])
 291       # Filter out deprecated features
 292       BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES, $JVM_FEATURES, $DEPRECATED_FEATURES)
 293       BASIC_GET_NON_MATCHING_VALUES(DISABLED_JVM_FEATURES, $DISABLED_JVM_FEATURES, $DEPRECATED_FEATURES)
 294     fi
 295 
 296   fi
 297 
 298   # Override hotspot cpu definitions for ARM platforms
 299   if test "x$OPENJDK_TARGET_CPU" = xarm; then
 300     HOTSPOT_TARGET_CPU=arm_32
 301     HOTSPOT_TARGET_CPU_DEFINE="ARM32"
 302   elif test "x$OPENJDK_TARGET_CPU" = xaarch64 && test "x$HOTSPOT_TARGET_CPU_PORT" = xarm64; then
 303     HOTSPOT_TARGET_CPU=arm_64
 304     HOTSPOT_TARGET_CPU_ARCH=arm
 305   fi
 306 
 307   # Verify that dependencies are met for explicitly set features.
 308   if HOTSPOT_CHECK_JVM_FEATURE(jvmti) && ! HOTSPOT_CHECK_JVM_FEATURE(services); then
 309     AC_MSG_ERROR([Specified JVM feature 'jvmti' requires feature 'services'])
 310   fi
 311 
 312   if HOTSPOT_CHECK_JVM_FEATURE(management) && ! HOTSPOT_CHECK_JVM_FEATURE(nmt); then
 313     AC_MSG_ERROR([Specified JVM feature 'management' requires feature 'nmt'])
 314   fi
 315 
 316   if HOTSPOT_CHECK_JVM_FEATURE(jvmci) && ! (HOTSPOT_CHECK_JVM_FEATURE(compiler1) || HOTSPOT_CHECK_JVM_FEATURE(compiler2)); then
 317     AC_MSG_ERROR([Specified JVM feature 'jvmci' requires feature 'compiler2' or 'compiler1'])
 318   fi
 319 
 320   if HOTSPOT_CHECK_JVM_FEATURE(cmsgc) && ! HOTSPOT_CHECK_JVM_FEATURE(serialgc); then
 321     AC_MSG_ERROR([Specified JVM feature 'cmsgc' requires feature 'serialgc'])
 322   fi
 323 
 324   # Enable JFR by default, except for Zero, linux-sparcv9 and on minimal.
 325   if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
 326     if test "x$OPENJDK_TARGET_OS" != xaix; then
 327       if test "x$OPENJDK_TARGET_OS" != xlinux || test "x$OPENJDK_TARGET_CPU" != xsparcv9; then
 328         NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES jfr"
 329       fi
 330     fi
 331   fi
 332 
 333   # Only enable ZGC on Linux x86_64
 334   AC_MSG_CHECKING([if zgc should be built])
 335   if HOTSPOT_CHECK_JVM_FEATURE(zgc); then
 336     if test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
 337       AC_MSG_RESULT([yes])
 338     else
 339       DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES zgc"
 340       AC_MSG_RESULT([no, platform not supported])
 341     fi
 342   else
 343     AC_MSG_RESULT([no])
 344   fi
 345 
 346   # Disable unsupported GCs for Zero
 347   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
 348     DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES epsilongc g1gc zgc"
 349   fi
 350 
 351   # Turn on additional features based on other parts of configure
 352   if test "x$INCLUDE_DTRACE" = "xtrue"; then
 353     JVM_FEATURES="$JVM_FEATURES dtrace"
 354   else
 355     if HOTSPOT_CHECK_JVM_FEATURE(dtrace); then
 356       AC_MSG_ERROR([To enable dtrace, you must use --enable-dtrace])
 357     fi
 358   fi
 359 
 360   if test "x$STATIC_BUILD" = "xtrue"; then
 361     JVM_FEATURES="$JVM_FEATURES static-build"
 362   else
 363     if HOTSPOT_CHECK_JVM_FEATURE(static-build); then
 364       AC_MSG_ERROR([To enable static-build, you must use --enable-static-build])
 365     fi
 366   fi
 367 
 368   if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
 369     if HOTSPOT_CHECK_JVM_FEATURE(zero); then
 370       AC_MSG_ERROR([To enable zero, you must use --with-jvm-variants=zero])
 371     fi
 372   fi
 373 
 374   AC_MSG_CHECKING([if jvmci module jdk.internal.vm.ci should be built])
 375   # Check if jvmci is diabled
 376   DISABLE_JVMCI=`$ECHO $DISABLED_JVM_FEATURES | $GREP jvmci`
 377   if test "x$DISABLE_JVMCI" = "xjvmci"; then
 378     AC_MSG_RESULT([no, forced])
 379     JVM_FEATURES_jvmci=""
 380     INCLUDE_JVMCI="false"
 381   else
 382     # Only enable jvmci on x86_64, sparcv9 and aarch64
 383     if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
 384        test "x$OPENJDK_TARGET_CPU" = "xsparcv9" || \
 385        test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
 386       AC_MSG_RESULT([yes])
 387       JVM_FEATURES_jvmci="jvmci"
 388       INCLUDE_JVMCI="true"
 389     else
 390       AC_MSG_RESULT([no])
 391       JVM_FEATURES_jvmci=""
 392       INCLUDE_JVMCI="false"
 393       if HOTSPOT_CHECK_JVM_FEATURE(jvmci); then
 394         AC_MSG_ERROR([JVMCI is currently not supported on this platform.])
 395       fi
 396     fi
 397   fi
 398 
 399   AC_SUBST(INCLUDE_JVMCI)
 400 
 401   AC_MSG_CHECKING([if graal module jdk.internal.vm.compiler should be built])
 402   # Check if graal is diabled
 403   DISABLE_GRAAL=`$ECHO $DISABLED_JVM_FEATURES | $GREP graal`
 404   if test "x$DISABLE_GRAAL" = "xgraal"; then
 405     AC_MSG_RESULT([no, forced])
 406     JVM_FEATURES_graal=""
 407     INCLUDE_GRAAL="false"
 408   else
 409     if HOTSPOT_CHECK_JVM_FEATURE(graal); then
 410       AC_MSG_RESULT([yes, forced])
 411       if test "x$JVM_FEATURES_jvmci" != "xjvmci" ; then
 412         AC_MSG_ERROR([Specified JVM feature 'graal' requires feature 'jvmci'])
 413       fi
 414       JVM_FEATURES_graal="graal"
 415       INCLUDE_GRAAL="true"
 416     else
 417       # By default enable graal build on x64 or where AOT is available.
 418       # graal build requires jvmci.
 419       if test "x$JVM_FEATURES_jvmci" = "xjvmci" && \
 420           (test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
 421            test "x$ENABLE_AOT" = "xtrue") ; then
 422         AC_MSG_RESULT([yes])
 423         JVM_FEATURES_graal="graal"
 424         INCLUDE_GRAAL="true"
 425       else
 426         AC_MSG_RESULT([no])
 427         JVM_FEATURES_graal=""
 428         INCLUDE_GRAAL="false"
 429       fi
 430     fi
 431   fi
 432 
 433   AC_SUBST(INCLUDE_GRAAL)
 434 
 435   # Disable aot with '--with-jvm-features=-aot'
 436   DISABLE_AOT=`$ECHO $DISABLED_JVM_FEATURES | $GREP aot`
 437   if test "x$DISABLE_AOT" = "xaot"; then
 438     ENABLE_AOT="false"
 439   fi
 440 
 441   AC_MSG_CHECKING([if aot should be enabled])
 442   if test "x$ENABLE_AOT" = "xtrue"; then
 443     if test "x$JVM_FEATURES_graal" != "xgraal"; then
 444       if test "x$enable_aot" = "xyes" || HOTSPOT_CHECK_JVM_FEATURE(aot); then
 445         AC_MSG_RESULT([yes, forced])
 446         AC_MSG_ERROR([Specified JVM feature 'aot' requires feature 'graal'])
 447       else
 448         AC_MSG_RESULT([no])
 449       fi
 450       JVM_FEATURES_aot=""
 451       ENABLE_AOT="false"
 452     else
 453       if test "x$enable_aot" = "xyes" || HOTSPOT_CHECK_JVM_FEATURE(aot); then
 454         AC_MSG_RESULT([yes, forced])
 455       else
 456         AC_MSG_RESULT([yes])
 457       fi
 458       JVM_FEATURES_aot="aot"
 459     fi
 460   else
 461     if test "x$enable_aot" = "xno" || test "x$DISABLE_AOT" = "xaot"; then
 462       AC_MSG_RESULT([no, forced])
 463     else
 464       AC_MSG_RESULT([no])
 465     fi
 466     JVM_FEATURES_aot=""
 467     if HOTSPOT_CHECK_JVM_FEATURE(aot); then
 468       AC_MSG_ERROR([To enable aot, you must use --enable-aot])
 469     fi
 470   fi
 471 
 472   AC_SUBST(ENABLE_AOT)
 473 
 474   if test "x$OPENJDK_TARGET_CPU" = xarm ; then
 475     # Default to use link time optimizations on minimal on arm
 476     JVM_FEATURES_link_time_opt="link-time-opt"
 477   else
 478     JVM_FEATURES_link_time_opt=""
 479   fi
 480 
 481   # All variants but minimal (and custom) get these features
 482   NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cmsgc g1gc parallelgc serialgc epsilongc jni-check jvmti management nmt services vm-structs"
 483 
 484   # Disable CDS on AIX.
 485   if test "x$OPENJDK_TARGET_OS" = "xaix"; then
 486     ENABLE_CDS="false"
 487     if test "x$enable_cds" = "xyes"; then
 488       AC_MSG_ERROR([CDS is currently not supported on AIX. Remove --enable-cds.])
 489     fi
 490   fi
 491 
 492   # Disable CDS if user requested it with --with-jvm-features=-cds.
 493   DISABLE_CDS=`$ECHO $DISABLED_JVM_FEATURES | $GREP cds`
 494   if test "x$DISABLE_CDS" = "xcds"; then
 495     ENABLE_CDS="false"
 496     if test "x$enable_cds" = "xyes"; then
 497       AC_MSG_ERROR([CDS was disabled by --with-jvm-features=-cds. Remove --enable-cds.])
 498     fi
 499   fi
 500 
 501   # Disable CDS for zero, minimal, core..
 502   if HOTSPOT_CHECK_JVM_VARIANT(zero) || HOTSPOT_CHECK_JVM_VARIANT(minimal) || HOTSPOT_CHECK_JVM_VARIANT(core); then
 503     # ..except when the user explicitely requested it with --enable-jvm-features
 504     if ! HOTSPOT_CHECK_JVM_FEATURE(cds); then
 505       ENABLE_CDS="false"
 506       if test "x$enable_cds" = "xyes"; then
 507         AC_MSG_ERROR([CDS not implemented for variants zero, minimal, core. Remove --enable-cds.])
 508       fi
 509     fi
 510   fi
 511 
 512   AC_MSG_CHECKING([if cds should be enabled])
 513   if test "x$ENABLE_CDS" = "xtrue"; then
 514     if test "x$enable_cds" = "xyes"; then
 515       AC_MSG_RESULT([yes, forced])
 516     else
 517       AC_MSG_RESULT([yes])
 518     fi
 519     NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cds"
 520   else
 521     if test "x$enable_cds" = "xno"; then
 522       AC_MSG_RESULT([no, forced])
 523     else
 524       AC_MSG_RESULT([no])
 525     fi
 526   fi
 527 
 528   # Enable features depending on variant.
 529   JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot $JVM_FEATURES_graal"
 530   JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES"
 531   JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES"
 532   JVM_FEATURES_minimal="compiler1 minimal serialgc $JVM_FEATURES $JVM_FEATURES_link_time_opt"
 533   JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES"
 534   JVM_FEATURES_custom="$JVM_FEATURES"
 535 
 536   AC_SUBST(JVM_FEATURES_server)
 537   AC_SUBST(JVM_FEATURES_client)
 538   AC_SUBST(JVM_FEATURES_core)
 539   AC_SUBST(JVM_FEATURES_minimal)
 540   AC_SUBST(JVM_FEATURES_zero)
 541   AC_SUBST(JVM_FEATURES_custom)
 542 
 543   # Used for verification of Makefiles by check-jvm-feature
 544   AC_SUBST(VALID_JVM_FEATURES)
 545 ])
 546 
 547 ###############################################################################
 548 # Finalize JVM features once all setup is complete, including custom setup.
 549 #
 550 AC_DEFUN_ONCE([HOTSPOT_FINALIZE_JVM_FEATURES],
 551 [
 552   for variant in $JVM_VARIANTS; do
 553     AC_MSG_CHECKING([JVM features for JVM variant '$variant'])
 554     features_var_name=JVM_FEATURES_$variant
 555     JVM_FEATURES_FOR_VARIANT=${!features_var_name}
 556 
 557     # Filter out user-requested disabled features
 558     BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT, $DISABLED_JVM_FEATURES)
 559 
 560     # Keep feature lists sorted and free of duplicates
 561     BASIC_SORT_LIST(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT)
 562 
 563     # Update real feature set variable
 564     eval $features_var_name='"'$JVM_FEATURES_FOR_VARIANT'"'
 565     AC_MSG_RESULT(["$JVM_FEATURES_FOR_VARIANT"])
 566 
 567     # Verify that we have at least one gc selected
 568     GC_FEATURES=`$ECHO $JVM_FEATURES_FOR_VARIANT | $GREP gc`
 569     if test "x$GC_FEATURES" = x; then
 570       AC_MSG_WARN([Invalid JVM features: No gc selected for variant $variant.])
 571     fi
 572 
 573     # Validate features (for configure script errors, not user errors)
 574     BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES_FOR_VARIANT, $VALID_JVM_FEATURES)
 575     if test "x$INVALID_FEATURES" != x; then
 576       AC_MSG_ERROR([Internal configure script error. Invalid JVM feature(s): $INVALID_FEATURES])
 577     fi
 578   done
 579 ])
 580 
 581 ################################################################################
 582 #
 583 # Specify which sources will be used to build the 64-bit ARM port
 584 #
 585 # --with-cpu-port=arm64   will use hotspot/src/cpu/arm
 586 # --with-cpu-port=aarch64 will use hotspot/src/cpu/aarch64
 587 #
 588 AC_DEFUN([SETUP_HOTSPOT_TARGET_CPU_PORT],
 589 [
 590   AC_ARG_WITH(cpu-port, [AS_HELP_STRING([--with-cpu-port],
 591       [specify sources to use for Hotspot 64-bit ARM port (arm64,aarch64) @<:@aarch64@:>@ ])])
 592 
 593   if test "x$with_cpu_port" != x; then
 594     if test "x$OPENJDK_TARGET_CPU" != xaarch64; then
 595       AC_MSG_ERROR([--with-cpu-port only available on aarch64])
 596     fi
 597     if test "x$with_cpu_port" != xarm64 && \
 598         test "x$with_cpu_port" != xaarch64; then
 599       AC_MSG_ERROR([--with-cpu-port must specify arm64 or aarch64])
 600     fi
 601     HOTSPOT_TARGET_CPU_PORT="$with_cpu_port"
 602   fi
 603 ])
 604 
 605 
 606 ################################################################################
 607 # Check if gtest should be built
 608 #
 609 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_GTEST],
 610 [
 611   AC_ARG_ENABLE([hotspot-gtest], [AS_HELP_STRING([--disable-hotspot-gtest],
 612       [Disables building of the Hotspot unit tests @<:@enabled@:>@])])
 613 
 614   if test -e "${TOPDIR}/test/hotspot/gtest"; then
 615     GTEST_DIR_EXISTS="true"
 616   else
 617     GTEST_DIR_EXISTS="false"
 618   fi
 619 
 620   AC_MSG_CHECKING([if Hotspot gtest unit tests should be built])
 621   if test "x$enable_hotspot_gtest" = "xyes"; then
 622     if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
 623       AC_MSG_RESULT([yes, forced])
 624       BUILD_GTEST="true"
 625     else
 626       AC_MSG_ERROR([Cannot build gtest without the test source])
 627     fi
 628   elif test "x$enable_hotspot_gtest" = "xno"; then
 629     AC_MSG_RESULT([no, forced])
 630     BUILD_GTEST="false"
 631   elif test "x$enable_hotspot_gtest" = "x"; then
 632     if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
 633       AC_MSG_RESULT([yes])
 634       BUILD_GTEST="true"
 635     else
 636       AC_MSG_RESULT([no])
 637       BUILD_GTEST="false"
 638     fi
 639   else
 640     AC_MSG_ERROR([--enable-gtest must be either yes or no])
 641   fi
 642 
 643   AC_SUBST(BUILD_GTEST)
 644 ])
--- EOF ---