1 # 2 # Copyright (c) 2011, 2019, 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 epsilongc g1gc parallelgc serialgc shenandoahgc 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 feature is enabled. To be used in shell if 51 # 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 if the specified JVM feature is explicitly disabled. To be used in 63 # shell if constructs, like this: 64 # if HOTSPOT_IS_JVM_FEATURE_DISABLED(jvmci); then 65 # 66 # This function is internal to hotspot.m4, and is only used when constructing 67 # the valid set of enabled JVM features. Users outside of hotspot.m4 should just 68 # use HOTSPOT_CHECK_JVM_FEATURE to check if a feature is enabled or not. 69 70 # Definition kept in one line to allow inlining in if statements. 71 # Additional [] needed to keep m4 from mangling shell constructs. 72 AC_DEFUN([HOTSPOT_IS_JVM_FEATURE_DISABLED], 73 [ [ [[ " $DISABLED_JVM_FEATURES " =~ " $1 " ]] ] ]) 74 75 ############################################################################### 76 # Check which variants of the JVM that we want to build. Available variants are: 77 # server: normal interpreter, and a tiered C1/C2 compiler 78 # client: normal interpreter, and C1 (no C2 compiler) 79 # minimal: reduced form of client with optional features stripped out 80 # core: normal interpreter only, no compiler 81 # zero: C++ based interpreter only, no compiler 82 # custom: baseline JVM with no default features 83 # 84 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS], 85 [ 86 AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants], 87 [JVM variants (separated by commas) to build (server,client,minimal,core,zero,custom) @<:@server@:>@])]) 88 89 if test "x$with_jvm_variants" = x; then 90 with_jvm_variants="server" 91 fi 92 JVM_VARIANTS_OPT="$with_jvm_variants" 93 94 # Has the user listed more than one variant? 95 # Additional [] needed to keep m4 from mangling shell constructs. 96 if [ [[ "$JVM_VARIANTS_OPT" =~ "," ]] ]; then 97 BUILDING_MULTIPLE_JVM_VARIANTS=true 98 else 99 BUILDING_MULTIPLE_JVM_VARIANTS=false 100 fi 101 # Replace the commas with AND for use in the build directory name. 102 JVM_VARIANTS_WITH_AND=`$ECHO "$JVM_VARIANTS_OPT" | $SED -e 's/,/AND/g'` 103 104 AC_MSG_CHECKING([which variants of the JVM to build]) 105 # JVM_VARIANTS is a space-separated list. 106 # Also use minimal, not minimal1 (which is kept for backwards compatibility). 107 JVM_VARIANTS=`$ECHO $JVM_VARIANTS_OPT | $SED -e 's/,/ /g' -e 's/minimal1/minimal/'` 108 AC_MSG_RESULT([$JVM_VARIANTS]) 109 110 # Check that the selected variants are valid 111 BASIC_GET_NON_MATCHING_VALUES(INVALID_VARIANTS, $JVM_VARIANTS, $VALID_JVM_VARIANTS) 112 if test "x$INVALID_VARIANTS" != x; then 113 AC_MSG_NOTICE([Unknown variant(s) specified: "$INVALID_VARIANTS"]) 114 AC_MSG_NOTICE([The available JVM variants are: "$VALID_JVM_VARIANTS"]) 115 AC_MSG_ERROR([Cannot continue]) 116 fi 117 118 # All "special" variants share the same output directory ("server") 119 VALID_MULTIPLE_JVM_VARIANTS="server client minimal" 120 BASIC_GET_NON_MATCHING_VALUES(INVALID_MULTIPLE_VARIANTS, $JVM_VARIANTS, $VALID_MULTIPLE_JVM_VARIANTS) 121 if test "x$INVALID_MULTIPLE_VARIANTS" != x && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xtrue; then 122 AC_MSG_ERROR([You cannot build multiple variants with anything else than $VALID_MULTIPLE_JVM_VARIANTS.]) 123 fi 124 125 # The "main" variant is the one used by other libs to link against during the 126 # build. 127 if test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = "xtrue"; then 128 MAIN_VARIANT_PRIO_ORDER="server client minimal" 129 for variant in $MAIN_VARIANT_PRIO_ORDER; do 130 if HOTSPOT_CHECK_JVM_VARIANT($variant); then 131 JVM_VARIANT_MAIN="$variant" 132 break 133 fi 134 done 135 else 136 JVM_VARIANT_MAIN="$JVM_VARIANTS" 137 fi 138 139 AC_SUBST(JVM_VARIANTS) 140 AC_SUBST(VALID_JVM_VARIANTS) 141 AC_SUBST(JVM_VARIANT_MAIN) 142 143 if HOTSPOT_CHECK_JVM_VARIANT(zero); then 144 # zero behaves as a platform and rewrites these values. This is really weird. :( 145 # We are guaranteed that we do not build any other variants when building zero. 146 HOTSPOT_TARGET_CPU=zero 147 HOTSPOT_TARGET_CPU_ARCH=zero 148 fi 149 ]) 150 151 ############################################################################### 152 # Check if dtrace should be enabled and has all prerequisites present. 153 # 154 AC_DEFUN_ONCE([HOTSPOT_SETUP_DTRACE], 155 [ 156 # Test for dtrace dependencies 157 AC_ARG_ENABLE([dtrace], [AS_HELP_STRING([--enable-dtrace@<:@=yes/no/auto@:>@], 158 [enable dtrace. Default is auto, where dtrace is enabled if all dependencies 159 are present.])]) 160 161 DTRACE_DEP_MISSING=false 162 163 AC_MSG_CHECKING([for dtrace tool]) 164 if test "x$DTRACE" != "x" && test -x "$DTRACE"; then 165 AC_MSG_RESULT([$DTRACE]) 166 else 167 AC_MSG_RESULT([not found, cannot build dtrace]) 168 DTRACE_DEP_MISSING=true 169 fi 170 171 AC_CHECK_HEADERS([sys/sdt.h], [DTRACE_HEADERS_OK=yes],[DTRACE_HEADERS_OK=no]) 172 if test "x$DTRACE_HEADERS_OK" != "xyes"; then 173 DTRACE_DEP_MISSING=true 174 fi 175 176 AC_MSG_CHECKING([if dtrace should be built]) 177 if test "x$enable_dtrace" = "xyes"; then 178 if test "x$DTRACE_DEP_MISSING" = "xtrue"; then 179 AC_MSG_RESULT([no, missing dependencies]) 180 HELP_MSG_MISSING_DEPENDENCY([dtrace]) 181 AC_MSG_ERROR([Cannot enable dtrace with missing dependencies. See above. $HELP_MSG]) 182 else 183 INCLUDE_DTRACE=true 184 AC_MSG_RESULT([yes, forced]) 185 fi 186 elif test "x$enable_dtrace" = "xno"; then 187 INCLUDE_DTRACE=false 188 AC_MSG_RESULT([no, forced]) 189 elif test "x$enable_dtrace" = "xauto" || test "x$enable_dtrace" = "x"; then 190 if test "x$DTRACE_DEP_MISSING" = "xtrue"; then 191 INCLUDE_DTRACE=false 192 AC_MSG_RESULT([no, missing dependencies]) 193 else 194 INCLUDE_DTRACE=true 195 AC_MSG_RESULT([yes, dependencies present]) 196 fi 197 else 198 AC_MSG_ERROR([Invalid value for --enable-dtrace: $enable_dtrace]) 199 fi 200 ]) 201 202 ################################################################################ 203 # Check if AOT should be enabled 204 # 205 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT], 206 [ 207 AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@], 208 [enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])]) 209 210 if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then 211 ENABLE_AOT="true" 212 elif test "x$enable_aot" = "xyes"; then 213 ENABLE_AOT="true" 214 elif test "x$enable_aot" = "xno"; then 215 ENABLE_AOT="false" 216 else 217 AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot]) 218 fi 219 220 if test "x$ENABLE_AOT" = "xtrue"; then 221 # Only enable AOT on X64 platforms. 222 if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then 223 if test -e "${TOPDIR}/src/jdk.aot"; then 224 if test -e "${TOPDIR}/src/jdk.internal.vm.compiler"; then 225 ENABLE_AOT="true" 226 else 227 ENABLE_AOT="false" 228 if test "x$enable_aot" = "xyes"; then 229 AC_MSG_ERROR([Cannot build AOT without src/jdk.internal.vm.compiler sources. Remove --enable-aot.]) 230 fi 231 fi 232 else 233 ENABLE_AOT="false" 234 if test "x$enable_aot" = "xyes"; then 235 AC_MSG_ERROR([Cannot build AOT without src/jdk.aot sources. Remove --enable-aot.]) 236 fi 237 fi 238 else 239 ENABLE_AOT="false" 240 if test "x$enable_aot" = "xyes"; then 241 AC_MSG_ERROR([AOT is currently only supported on x86_64 and aarch64. Remove --enable-aot.]) 242 fi 243 fi 244 fi 245 246 AC_SUBST(ENABLE_AOT) 247 ]) 248 249 ################################################################################ 250 # Allow to disable CDS 251 # 252 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_CDS], 253 [ 254 AC_ARG_ENABLE([cds], [AS_HELP_STRING([--enable-cds@<:@=yes/no/auto@:>@], 255 [enable class data sharing feature in non-minimal VM. Default is auto, where cds is enabled if supported on the platform.])]) 256 257 if test "x$enable_cds" = "x" || test "x$enable_cds" = "xauto"; then 258 ENABLE_CDS="true" 259 elif test "x$enable_cds" = "xyes"; then 260 ENABLE_CDS="true" 261 elif test "x$enable_cds" = "xno"; then 262 ENABLE_CDS="false" 263 else 264 AC_MSG_ERROR([Invalid value for --enable-cds: $enable_cds]) 265 fi 266 267 AC_SUBST(ENABLE_CDS) 268 ]) 269 270 ############################################################################### 271 # Set up all JVM features for each JVM variant. 272 # 273 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES], 274 [ 275 # Prettify the VALID_JVM_FEATURES string 276 BASIC_SORT_LIST(VALID_JVM_FEATURES, $VALID_JVM_FEATURES) 277 278 # The user can in some cases supply additional jvm features. For the custom 279 # variant, this defines the entire variant. 280 AC_ARG_WITH([jvm-features], [AS_HELP_STRING([--with-jvm-features], 281 [JVM features to enable (foo) or disable (-foo), separated by comma. Use '--help' to show possible values @<:@none@:>@])]) 282 if test "x$with_jvm_features" != x; then 283 AC_MSG_CHECKING([user specified JVM feature list]) 284 USER_JVM_FEATURE_LIST=`$ECHO $with_jvm_features | $SED -e 's/,/ /g'` 285 AC_MSG_RESULT([$user_jvm_feature_list]) 286 # These features will be added to all variant defaults 287 JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (!match($i, /^-.*/)) printf("%s ", $i) }'` 288 # These features will be removed from all variant defaults 289 DISABLED_JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (match($i, /^-.*/)) printf("%s ", substr($i, 2))}'` 290 291 # Verify that the user has provided valid features 292 BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $VALID_JVM_FEATURES $DEPRECATED_JVM_FEATURES) 293 if test "x$INVALID_FEATURES" != x; then 294 AC_MSG_NOTICE([Unknown JVM features specified: "$INVALID_FEATURES"]) 295 AC_MSG_NOTICE([The available JVM features are: "$VALID_JVM_FEATURES"]) 296 AC_MSG_ERROR([Cannot continue]) 297 fi 298 299 # Check if the user has provided deprecated features 300 BASIC_GET_MATCHING_VALUES(DEPRECATED_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $DEPRECATED_JVM_FEATURES) 301 if test "x$DEPRECATED_FEATURES" != x; then 302 AC_MSG_WARN([Deprecated JVM features specified (will be ignored): "$DEPRECATED_FEATURES"]) 303 # Filter out deprecated features 304 BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES, $JVM_FEATURES, $DEPRECATED_FEATURES) 305 BASIC_GET_NON_MATCHING_VALUES(DISABLED_JVM_FEATURES, $DISABLED_JVM_FEATURES, $DEPRECATED_FEATURES) 306 fi 307 308 fi 309 310 # Override hotspot cpu definitions for ARM platforms 311 if test "x$OPENJDK_TARGET_CPU" = xarm; then 312 HOTSPOT_TARGET_CPU=arm_32 313 HOTSPOT_TARGET_CPU_DEFINE="ARM32" 314 fi 315 316 # Verify that dependencies are met for explicitly set features. 317 if HOTSPOT_CHECK_JVM_FEATURE(jvmti) && ! HOTSPOT_CHECK_JVM_FEATURE(services); then 318 AC_MSG_ERROR([Specified JVM feature 'jvmti' requires feature 'services']) 319 fi 320 321 if HOTSPOT_CHECK_JVM_FEATURE(management) && ! HOTSPOT_CHECK_JVM_FEATURE(nmt); then 322 AC_MSG_ERROR([Specified JVM feature 'management' requires feature 'nmt']) 323 fi 324 325 if HOTSPOT_CHECK_JVM_FEATURE(jvmci) && ! (HOTSPOT_CHECK_JVM_FEATURE(compiler1) || HOTSPOT_CHECK_JVM_FEATURE(compiler2)); then 326 AC_MSG_ERROR([Specified JVM feature 'jvmci' requires feature 'compiler2' or 'compiler1']) 327 fi 328 329 # Enable JFR by default, except for Zero, linux-sparcv9 and on minimal. 330 if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then 331 if test "x$OPENJDK_TARGET_OS" != xaix; then 332 if test "x$OPENJDK_TARGET_OS" != xlinux || test "x$OPENJDK_TARGET_CPU" != xsparcv9; then 333 NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES jfr" 334 fi 335 fi 336 fi 337 338 # Only enable Shenandoah on supported arches 339 AC_MSG_CHECKING([if shenandoah can be built]) 340 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then 341 AC_MSG_RESULT([yes]) 342 else 343 DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES shenandoahgc" 344 AC_MSG_RESULT([no, platform not supported]) 345 fi 346 347 # Only enable ZGC on supported platforms 348 AC_MSG_CHECKING([if zgc can be built]) 349 if (test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xx86_64") || \ 350 (test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xaarch64"); then 351 AC_MSG_RESULT([yes]) 352 else 353 DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES zgc" 354 AC_MSG_RESULT([no, platform not supported]) 355 fi 356 357 # Disable unsupported GCs for Zero 358 if HOTSPOT_CHECK_JVM_VARIANT(zero); then 359 DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES epsilongc g1gc zgc shenandoahgc" 360 fi 361 362 # Turn on additional features based on other parts of configure 363 if test "x$INCLUDE_DTRACE" = "xtrue"; then 364 JVM_FEATURES="$JVM_FEATURES dtrace" 365 else 366 if HOTSPOT_CHECK_JVM_FEATURE(dtrace); then 367 AC_MSG_ERROR([To enable dtrace, you must use --enable-dtrace]) 368 fi 369 fi 370 371 if test "x$STATIC_BUILD" = "xtrue"; then 372 JVM_FEATURES="$JVM_FEATURES static-build" 373 else 374 if HOTSPOT_CHECK_JVM_FEATURE(static-build); then 375 AC_MSG_ERROR([To enable static-build, you must use --enable-static-build]) 376 fi 377 fi 378 379 if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then 380 if HOTSPOT_CHECK_JVM_FEATURE(zero); then 381 AC_MSG_ERROR([To enable zero, you must use --with-jvm-variants=zero]) 382 fi 383 fi 384 385 AC_MSG_CHECKING([if jvmci module jdk.internal.vm.ci should be built]) 386 # Check if jvmci is diabled 387 if HOTSPOT_IS_JVM_FEATURE_DISABLED(jvmci); then 388 AC_MSG_RESULT([no, forced]) 389 JVM_FEATURES_jvmci="" 390 INCLUDE_JVMCI="false" 391 else 392 # Only enable jvmci on x86_64 and aarch64 393 if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \ 394 test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then 395 AC_MSG_RESULT([yes]) 396 JVM_FEATURES_jvmci="jvmci" 397 INCLUDE_JVMCI="true" 398 else 399 AC_MSG_RESULT([no]) 400 JVM_FEATURES_jvmci="" 401 INCLUDE_JVMCI="false" 402 if HOTSPOT_CHECK_JVM_FEATURE(jvmci); then 403 AC_MSG_ERROR([JVMCI is currently not supported on this platform.]) 404 fi 405 fi 406 fi 407 408 AC_SUBST(INCLUDE_JVMCI) 409 410 AC_MSG_CHECKING([if graal module jdk.internal.vm.compiler should be built]) 411 # Check if graal is diabled 412 if HOTSPOT_IS_JVM_FEATURE_DISABLED(graal); then 413 AC_MSG_RESULT([no, forced]) 414 JVM_FEATURES_graal="" 415 INCLUDE_GRAAL="false" 416 else 417 if HOTSPOT_CHECK_JVM_FEATURE(graal); then 418 AC_MSG_RESULT([yes, forced]) 419 if test "x$JVM_FEATURES_jvmci" != "xjvmci" ; then 420 AC_MSG_ERROR([Specified JVM feature 'graal' requires feature 'jvmci']) 421 fi 422 JVM_FEATURES_graal="graal" 423 INCLUDE_GRAAL="true" 424 else 425 # By default enable graal build on x64 or where AOT is available. 426 # graal build requires jvmci. 427 if test "x$JVM_FEATURES_jvmci" = "xjvmci" && \ 428 (test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \ 429 test "x$ENABLE_AOT" = "xtrue") ; then 430 AC_MSG_RESULT([yes]) 431 JVM_FEATURES_graal="graal" 432 INCLUDE_GRAAL="true" 433 else 434 AC_MSG_RESULT([no]) 435 JVM_FEATURES_graal="" 436 INCLUDE_GRAAL="false" 437 fi 438 fi 439 fi 440 441 AC_SUBST(INCLUDE_GRAAL) 442 443 # Disable aot with '--with-jvm-features=-aot' 444 if HOTSPOT_IS_JVM_FEATURE_DISABLED(aot); then 445 ENABLE_AOT="false" 446 fi 447 448 AC_MSG_CHECKING([if aot should be enabled]) 449 if test "x$ENABLE_AOT" = "xtrue"; then 450 if test "x$JVM_FEATURES_graal" != "xgraal"; then 451 if test "x$enable_aot" = "xyes" || HOTSPOT_CHECK_JVM_FEATURE(aot); then 452 AC_MSG_RESULT([yes, forced]) 453 AC_MSG_ERROR([Specified JVM feature 'aot' requires feature 'graal']) 454 else 455 AC_MSG_RESULT([no]) 456 fi 457 JVM_FEATURES_aot="" 458 ENABLE_AOT="false" 459 else 460 if test "x$enable_aot" = "xyes" || HOTSPOT_CHECK_JVM_FEATURE(aot); then 461 AC_MSG_RESULT([yes, forced]) 462 else 463 AC_MSG_RESULT([yes]) 464 fi 465 JVM_FEATURES_aot="aot" 466 fi 467 else 468 if test "x$enable_aot" = "xno" || HOTSPOT_IS_JVM_FEATURE_DISABLED(aot); then 469 AC_MSG_RESULT([no, forced]) 470 else 471 AC_MSG_RESULT([no]) 472 fi 473 JVM_FEATURES_aot="" 474 if HOTSPOT_CHECK_JVM_FEATURE(aot); then 475 AC_MSG_ERROR([To enable aot, you must use --enable-aot]) 476 fi 477 fi 478 479 AC_SUBST(ENABLE_AOT) 480 481 if test "x$OPENJDK_TARGET_CPU" = xarm ; then 482 # Default to use link time optimizations on minimal on arm 483 JVM_FEATURES_link_time_opt="link-time-opt" 484 else 485 JVM_FEATURES_link_time_opt="" 486 fi 487 488 # All variants but minimal (and custom) get these features 489 NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES g1gc parallelgc serialgc epsilongc shenandoahgc jni-check jvmti management nmt services vm-structs zgc" 490 491 # Disable CDS on AIX. 492 if test "x$OPENJDK_TARGET_OS" = "xaix"; then 493 ENABLE_CDS="false" 494 if test "x$enable_cds" = "xyes"; then 495 AC_MSG_ERROR([CDS is currently not supported on AIX. Remove --enable-cds.]) 496 fi 497 fi 498 499 # Disable CDS if user requested it with --with-jvm-features=-cds. 500 if HOTSPOT_IS_JVM_FEATURE_DISABLED(cds); then 501 ENABLE_CDS="false" 502 if test "x$enable_cds" = "xyes"; then 503 AC_MSG_ERROR([CDS was disabled by --with-jvm-features=-cds. Remove --enable-cds.]) 504 fi 505 fi 506 507 # Disable CDS for zero, minimal, core.. 508 if HOTSPOT_CHECK_JVM_VARIANT(zero) || HOTSPOT_CHECK_JVM_VARIANT(minimal) || HOTSPOT_CHECK_JVM_VARIANT(core); then 509 # ..except when the user explicitely requested it with --enable-jvm-features 510 if ! HOTSPOT_CHECK_JVM_FEATURE(cds); then 511 ENABLE_CDS="false" 512 if test "x$enable_cds" = "xyes"; then 513 AC_MSG_ERROR([CDS not implemented for variants zero, minimal, core. Remove --enable-cds.]) 514 fi 515 fi 516 fi 517 518 AC_MSG_CHECKING([if cds should be enabled]) 519 if test "x$ENABLE_CDS" = "xtrue"; then 520 if test "x$enable_cds" = "xyes"; then 521 AC_MSG_RESULT([yes, forced]) 522 else 523 AC_MSG_RESULT([yes]) 524 fi 525 NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cds" 526 else 527 if test "x$enable_cds" = "xno"; then 528 AC_MSG_RESULT([no, forced]) 529 else 530 AC_MSG_RESULT([no]) 531 fi 532 fi 533 534 # Enable features depending on variant. 535 JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot $JVM_FEATURES_graal" 536 JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES" 537 JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES" 538 JVM_FEATURES_minimal="compiler1 minimal serialgc $JVM_FEATURES $JVM_FEATURES_link_time_opt" 539 JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES" 540 JVM_FEATURES_custom="$JVM_FEATURES" 541 542 AC_SUBST(JVM_FEATURES_server) 543 AC_SUBST(JVM_FEATURES_client) 544 AC_SUBST(JVM_FEATURES_core) 545 AC_SUBST(JVM_FEATURES_minimal) 546 AC_SUBST(JVM_FEATURES_zero) 547 AC_SUBST(JVM_FEATURES_custom) 548 549 # Used for verification of Makefiles by check-jvm-feature 550 AC_SUBST(VALID_JVM_FEATURES) 551 552 # --with-cpu-port is no longer supported 553 BASIC_DEPRECATED_ARG_WITH(with-cpu-port) 554 ]) 555 556 ############################################################################### 557 # Finalize JVM features once all setup is complete, including custom setup. 558 # 559 AC_DEFUN_ONCE([HOTSPOT_FINALIZE_JVM_FEATURES], 560 [ 561 for variant in $JVM_VARIANTS; do 562 AC_MSG_CHECKING([JVM features for JVM variant '$variant']) 563 features_var_name=JVM_FEATURES_$variant 564 JVM_FEATURES_FOR_VARIANT=${!features_var_name} 565 566 # Filter out user-requested disabled features 567 BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT, $DISABLED_JVM_FEATURES) 568 569 # Keep feature lists sorted and free of duplicates 570 BASIC_SORT_LIST(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT) 571 572 # Update real feature set variable 573 eval $features_var_name='"'$JVM_FEATURES_FOR_VARIANT'"' 574 AC_MSG_RESULT(["$JVM_FEATURES_FOR_VARIANT"]) 575 576 # Verify that we have at least one gc selected 577 GC_FEATURES=`$ECHO $JVM_FEATURES_FOR_VARIANT | $GREP gc` 578 if test "x$GC_FEATURES" = x; then 579 AC_MSG_WARN([Invalid JVM features: No gc selected for variant $variant.]) 580 fi 581 582 # Validate features (for configure script errors, not user errors) 583 BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES_FOR_VARIANT, $VALID_JVM_FEATURES) 584 if test "x$INVALID_FEATURES" != x; then 585 AC_MSG_ERROR([Internal configure script error. Invalid JVM feature(s): $INVALID_FEATURES]) 586 fi 587 done 588 ]) 589 590 ################################################################################ 591 # Check if gtest should be built 592 # 593 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_GTEST], 594 [ 595 AC_ARG_ENABLE([hotspot-gtest], [AS_HELP_STRING([--disable-hotspot-gtest], 596 [Disables building of the Hotspot unit tests @<:@enabled@:>@])]) 597 598 if test -e "${TOPDIR}/test/hotspot/gtest"; then 599 GTEST_DIR_EXISTS="true" 600 else 601 GTEST_DIR_EXISTS="false" 602 fi 603 604 AC_MSG_CHECKING([if Hotspot gtest unit tests should be built]) 605 if test "x$enable_hotspot_gtest" = "xyes"; then 606 if test "x$GTEST_DIR_EXISTS" = "xtrue"; then 607 AC_MSG_RESULT([yes, forced]) 608 BUILD_GTEST="true" 609 else 610 AC_MSG_ERROR([Cannot build gtest without the test source]) 611 fi 612 elif test "x$enable_hotspot_gtest" = "xno"; then 613 AC_MSG_RESULT([no, forced]) 614 BUILD_GTEST="false" 615 elif test "x$enable_hotspot_gtest" = "x"; then 616 if test "x$GTEST_DIR_EXISTS" = "xtrue"; then 617 AC_MSG_RESULT([yes]) 618 BUILD_GTEST="true" 619 else 620 AC_MSG_RESULT([no]) 621 BUILD_GTEST="false" 622 fi 623 else 624 AC_MSG_ERROR([--enable-gtest must be either yes or no]) 625 fi 626 627 AC_SUBST(BUILD_GTEST) 628 ])