hotspot.m4 revision 2406:ebb53399f956
1# 2# Copyright (c) 2011, 2016, 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 27VALID_JVM_FEATURES="compiler1 compiler2 zero shark minimal dtrace jvmti jvmci \ 28 graal fprof vm-structs jni-check services management all-gcs nmt cds \ 29 static-build link-time-opt aot" 30 31# All valid JVM variants 32VALID_JVM_VARIANTS="server client minimal core zero zeroshark custom" 33 34############################################################################### 35# Check if the specified JVM variant should be built. To be used in shell if 36# constructs, like this: 37# if HOTSPOT_CHECK_JVM_VARIANT(server); then 38# 39# Only valid to use after HOTSPOT_SETUP_JVM_VARIANTS has setup variants. 40 41# Definition kept in one line to allow inlining in if statements. 42# Additional [] needed to keep m4 from mangling shell constructs. 43AC_DEFUN([HOTSPOT_CHECK_JVM_VARIANT], 44[ [ [[ " $JVM_VARIANTS " =~ " $1 " ]] ] ]) 45 46############################################################################### 47# Check if the specified JVM features are explicitly enabled. To be used in 48# shell if constructs, like this: 49# if HOTSPOT_CHECK_JVM_FEATURE(jvmti); then 50# 51# Only valid to use after HOTSPOT_SETUP_JVM_FEATURES has setup features. 52 53# Definition kept in one line to allow inlining in if statements. 54# Additional [] needed to keep m4 from mangling shell constructs. 55AC_DEFUN([HOTSPOT_CHECK_JVM_FEATURE], 56[ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ]) 57 58############################################################################### 59# Check which variants of the JVM that we want to build. Available variants are: 60# server: normal interpreter, and a tiered C1/C2 compiler 61# client: normal interpreter, and C1 (no C2 compiler) 62# minimal: reduced form of client with optional features stripped out 63# core: normal interpreter only, no compiler 64# zero: C++ based interpreter only, no compiler 65# zeroshark: C++ based interpreter, and a llvm-based compiler 66# custom: baseline JVM with no default features 67# 68AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS], 69[ 70 AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants], 71 [JVM variants (separated by commas) to build (server,client,minimal,core,zero,zeroshark,custom) @<:@server@:>@])]) 72 73 SETUP_HOTSPOT_TARGET_CPU_PORT 74 75 if test "x$with_jvm_variants" = x; then 76 with_jvm_variants="server" 77 fi 78 JVM_VARIANTS_OPT="$with_jvm_variants" 79 80 # Has the user listed more than one variant? 81 # Additional [] needed to keep m4 from mangling shell constructs. 82 if [ [[ "$JVM_VARIANTS_OPT" =~ "," ]] ]; then 83 BUILDING_MULTIPLE_JVM_VARIANTS=true 84 else 85 BUILDING_MULTIPLE_JVM_VARIANTS=false 86 fi 87 # Replace the commas with AND for use in the build directory name. 88 JVM_VARIANTS_WITH_AND=`$ECHO "$JVM_VARIANTS_OPT" | $SED -e 's/,/AND/g'` 89 90 AC_MSG_CHECKING([which variants of the JVM to build]) 91 # JVM_VARIANTS is a space-separated list. 92 # Also use minimal, not minimal1 (which is kept for backwards compatibility). 93 JVM_VARIANTS=`$ECHO $JVM_VARIANTS_OPT | $SED -e 's/,/ /g' -e 's/minimal1/minimal/'` 94 AC_MSG_RESULT([$JVM_VARIANTS]) 95 96 # Check that the selected variants are valid 97 98 # grep filter function inspired by a comment to http://stackoverflow.com/a/1617326 99 # Notice that the original variant failes on SLES 10 and 11 100 NEEDLE=${VALID_JVM_VARIANTS// /$'\n'} 101 STACK=${JVM_VARIANTS// /$'\n'} 102 INVALID_VARIANTS=`$GREP -Fvx "${NEEDLE}" <<< "${STACK}"` 103 if test "x$INVALID_VARIANTS" != x; then 104 AC_MSG_NOTICE([Unknown variant(s) specified: $INVALID_VARIANTS]) 105 AC_MSG_ERROR([The available JVM variants are: $VALID_JVM_VARIANTS]) 106 fi 107 108 # All "special" variants share the same output directory ("server") 109 VALID_MULTIPLE_JVM_VARIANTS="server client minimal" 110 NEEDLE=${VALID_MULTIPLE_JVM_VARIANTS// /$'\n'} 111 STACK=${JVM_VARIANTS// /$'\n'} 112 INVALID_MULTIPLE_VARIANTS=`$GREP -Fvx "${NEEDLE}" <<< "${STACK}"` 113 if test "x$INVALID_MULTIPLE_VARIANTS" != x && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xtrue; then 114 AC_MSG_ERROR([You cannot build multiple variants with anything else than $VALID_MULTIPLE_JVM_VARIANTS.]) 115 fi 116 117 # The "main" variant is the one used by other libs to link against during the 118 # build. 119 if test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = "xtrue"; then 120 MAIN_VARIANT_PRIO_ORDER="server client minimal" 121 for variant in $MAIN_VARIANT_PRIO_ORDER; do 122 if HOTSPOT_CHECK_JVM_VARIANT($variant); then 123 JVM_VARIANT_MAIN="$variant" 124 break 125 fi 126 done 127 else 128 JVM_VARIANT_MAIN="$JVM_VARIANTS" 129 fi 130 131 AC_SUBST(JVM_VARIANTS) 132 AC_SUBST(VALID_JVM_VARIANTS) 133 AC_SUBST(JVM_VARIANT_MAIN) 134 135 if HOTSPOT_CHECK_JVM_VARIANT(zero) || HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 136 # zero behaves as a platform and rewrites these values. This is really weird. :( 137 # We are guaranteed that we do not build any other variants when building zero. 138 HOTSPOT_TARGET_CPU=zero 139 HOTSPOT_TARGET_CPU_ARCH=zero 140 fi 141]) 142 143############################################################################### 144# Check if dtrace should be enabled and has all prerequisites present. 145# 146AC_DEFUN_ONCE([HOTSPOT_SETUP_DTRACE], 147[ 148 # Test for dtrace dependencies 149 AC_ARG_ENABLE([dtrace], [AS_HELP_STRING([--enable-dtrace@<:@=yes/no/auto@:>@], 150 [enable dtrace. Default is auto, where dtrace is enabled if all dependencies 151 are present.])]) 152 153 DTRACE_DEP_MISSING=false 154 155 AC_MSG_CHECKING([for dtrace tool]) 156 if test "x$DTRACE" != "x" && test -x "$DTRACE"; then 157 AC_MSG_RESULT([$DTRACE]) 158 else 159 AC_MSG_RESULT([not found, cannot build dtrace]) 160 DTRACE_DEP_MISSING=true 161 fi 162 163 AC_CHECK_HEADERS([sys/sdt.h], [DTRACE_HEADERS_OK=yes],[DTRACE_HEADERS_OK=no]) 164 if test "x$DTRACE_HEADERS_OK" != "xyes"; then 165 DTRACE_DEP_MISSING=true 166 fi 167 168 AC_MSG_CHECKING([if dtrace should be built]) 169 if test "x$enable_dtrace" = "xyes"; then 170 if test "x$DTRACE_DEP_MISSING" = "xtrue"; then 171 AC_MSG_RESULT([no, missing dependencies]) 172 HELP_MSG_MISSING_DEPENDENCY([dtrace]) 173 AC_MSG_ERROR([Cannot enable dtrace with missing dependencies. See above. $HELP_MSG]) 174 else 175 INCLUDE_DTRACE=true 176 AC_MSG_RESULT([yes, forced]) 177 fi 178 elif test "x$enable_dtrace" = "xno"; then 179 INCLUDE_DTRACE=false 180 AC_MSG_RESULT([no, forced]) 181 elif test "x$enable_dtrace" = "xauto" || test "x$enable_dtrace" = "x"; then 182 if test "x$DTRACE_DEP_MISSING" = "xtrue"; then 183 INCLUDE_DTRACE=false 184 AC_MSG_RESULT([no, missing dependencies]) 185 else 186 INCLUDE_DTRACE=true 187 AC_MSG_RESULT([yes, dependencies present]) 188 fi 189 else 190 AC_MSG_ERROR([Invalid value for --enable-dtrace: $enable_dtrace]) 191 fi 192 AC_SUBST(INCLUDE_DTRACE) 193]) 194 195################################################################################ 196# Check if AOT should be enabled 197# 198AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT], 199[ 200 AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@], 201 [enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])]) 202 203 if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then 204 ENABLE_AOT="true" 205 elif test "x$enable_aot" = "xyes"; then 206 ENABLE_AOT="true" 207 elif test "x$enable_aot" = "xno"; then 208 ENABLE_AOT="false" 209 AC_MSG_CHECKING([if aot should be enabled]) 210 AC_MSG_RESULT([no, forced]) 211 else 212 AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot]) 213 fi 214 215 if test "x$ENABLE_AOT" = "xtrue"; then 216 # Only enable AOT on linux-X64. 217 if test "x$OPENJDK_TARGET_OS-$OPENJDK_TARGET_CPU" = "xlinux-x86_64"; then 218 if test -e "$HOTSPOT_TOPDIR/src/jdk.aot"; then 219 if test -e "$HOTSPOT_TOPDIR/src/jdk.vm.compiler"; then 220 ENABLE_AOT="true" 221 else 222 ENABLE_AOT="false" 223 if test "x$enable_aot" = "xyes"; then 224 AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.vm.compiler sources. Remove --enable-aot.]) 225 fi 226 fi 227 else 228 ENABLE_AOT="false" 229 if test "x$enable_aot" = "xyes"; then 230 AC_MSG_ERROR([Cannot build AOT without hotspot/src/jdk.aot sources. Remove --enable-aot.]) 231 fi 232 fi 233 else 234 ENABLE_AOT="false" 235 if test "x$enable_aot" = "xyes"; then 236 AC_MSG_ERROR([AOT is currently only supported on Linux-x86_64. Remove --enable-aot.]) 237 fi 238 fi 239 fi 240 241 AC_SUBST(ENABLE_AOT) 242]) 243 244############################################################################### 245# Set up all JVM features for each JVM variant. 246# 247AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES], 248[ 249 # The user can in some cases supply additional jvm features. For the custom 250 # variant, this defines the entire variant. 251 AC_ARG_WITH([jvm-features], [AS_HELP_STRING([--with-jvm-features], 252 [additional JVM features to enable (separated by comma), use '--help' to show possible values @<:@none@:>@])]) 253 if test "x$with_jvm_features" != x; then 254 AC_MSG_CHECKING([additional JVM features]) 255 JVM_FEATURES=`$ECHO $with_jvm_features | $SED -e 's/,/ /g'` 256 AC_MSG_RESULT([$JVM_FEATURES]) 257 fi 258 259 # Override hotspot cpu definitions for ARM platforms 260 if test "x$OPENJDK_TARGET_CPU" = xarm; then 261 HOTSPOT_TARGET_CPU=arm_32 262 HOTSPOT_TARGET_CPU_DEFINE="ARM32" 263 JVM_LDFLAGS="$JVM_LDFLAGS -fsigned-char" 264 JVM_CFLAGS="$JVM_CFLAGS -DARM -fsigned-char" 265 elif test "x$OPENJDK_TARGET_CPU" = xaarch64 && test "x$HOTSPOT_TARGET_CPU_PORT" = xarm64; then 266 HOTSPOT_TARGET_CPU=arm_64 267 HOTSPOT_TARGET_CPU_ARCH=arm 268 JVM_LDFLAGS="$JVM_LDFLAGS -fsigned-char" 269 JVM_CFLAGS="$JVM_CFLAGS -DARM -fsigned-char" 270 fi 271 272 # Verify that dependencies are met for explicitly set features. 273 if HOTSPOT_CHECK_JVM_FEATURE(jvmti) && ! HOTSPOT_CHECK_JVM_FEATURE(services); then 274 AC_MSG_ERROR([Specified JVM feature 'jvmti' requires feature 'services']) 275 fi 276 277 if HOTSPOT_CHECK_JVM_FEATURE(management) && ! HOTSPOT_CHECK_JVM_FEATURE(nmt); then 278 AC_MSG_ERROR([Specified JVM feature 'management' requires feature 'nmt']) 279 fi 280 281 if HOTSPOT_CHECK_JVM_FEATURE(jvmci) && ! (HOTSPOT_CHECK_JVM_FEATURE(compiler1) || HOTSPOT_CHECK_JVM_FEATURE(compiler2)); then 282 AC_MSG_ERROR([Specified JVM feature 'jvmci' requires feature 'compiler2' or 'compiler1']) 283 fi 284 285 if HOTSPOT_CHECK_JVM_FEATURE(compiler2) && ! HOTSPOT_CHECK_JVM_FEATURE(all-gcs); then 286 AC_MSG_ERROR([Specified JVM feature 'compiler2' requires feature 'all-gcs']) 287 fi 288 289 if HOTSPOT_CHECK_JVM_FEATURE(vm-structs) && ! HOTSPOT_CHECK_JVM_FEATURE(all-gcs); then 290 AC_MSG_ERROR([Specified JVM feature 'vm-structs' requires feature 'all-gcs']) 291 fi 292 293 # Turn on additional features based on other parts of configure 294 if test "x$INCLUDE_DTRACE" = "xtrue"; then 295 JVM_FEATURES="$JVM_FEATURES dtrace" 296 else 297 if HOTSPOT_CHECK_JVM_FEATURE(dtrace); then 298 AC_MSG_ERROR([To enable dtrace, you must use --enable-dtrace]) 299 fi 300 fi 301 302 if test "x$STATIC_BUILD" = "xtrue"; then 303 JVM_FEATURES="$JVM_FEATURES static-build" 304 else 305 if HOTSPOT_CHECK_JVM_FEATURE(static-build); then 306 AC_MSG_ERROR([To enable static-build, you must use --enable-static-build]) 307 fi 308 fi 309 310 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 311 if HOTSPOT_CHECK_JVM_FEATURE(zero); then 312 AC_MSG_ERROR([To enable zero/zeroshark, you must use --with-jvm-variants=zero/zeroshark]) 313 fi 314 fi 315 316 if ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 317 if HOTSPOT_CHECK_JVM_FEATURE(shark); then 318 AC_MSG_ERROR([To enable shark, you must use --with-jvm-variants=zeroshark]) 319 fi 320 fi 321 322 # Only enable jvmci on x86_64, sparcv9 and aarch64. 323 if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \ 324 test "x$OPENJDK_TARGET_CPU" = "xsparcv9" || \ 325 test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then 326 JVM_FEATURES_jvmci="jvmci" 327 else 328 JVM_FEATURES_jvmci="" 329 fi 330 331 AC_MSG_CHECKING([if jdk.vm.compiler should be built]) 332 if HOTSPOT_CHECK_JVM_FEATURE(graal); then 333 AC_MSG_RESULT([yes, forced]) 334 if test "x$JVM_FEATURES_jvmci" != "xjvmci" ; then 335 AC_MSG_ERROR([Specified JVM feature 'graal' requires feature 'jvmci']) 336 fi 337 INCLUDE_GRAAL="true" 338 else 339 # By default enable graal build where AOT is available 340 if test "x$ENABLE_AOT" = "xtrue"; then 341 AC_MSG_RESULT([yes]) 342 JVM_FEATURES_graal="graal" 343 INCLUDE_GRAAL="true" 344 else 345 AC_MSG_RESULT([no]) 346 JVM_FEATURES_graal="" 347 INCLUDE_GRAAL="false" 348 fi 349 fi 350 351 AC_SUBST(INCLUDE_GRAAL) 352 353 AC_MSG_CHECKING([if aot should be enabled]) 354 if test "x$ENABLE_AOT" = "xtrue"; then 355 if test "x$enable_aot" = "xyes"; then 356 AC_MSG_RESULT([yes, forced]) 357 else 358 AC_MSG_RESULT([yes]) 359 fi 360 JVM_FEATURES_aot="aot" 361 else 362 if test "x$enable_aot" = "xno"; then 363 AC_MSG_RESULT([no, forced]) 364 else 365 AC_MSG_RESULT([no]) 366 fi 367 JVM_FEATURES_aot="" 368 fi 369 370 if test "x$OPENJDK_TARGET_CPU" = xarm ; then 371 # Default to use link time optimizations on minimal on arm 372 JVM_FEATURES_link_time_opt="link-time-opt" 373 else 374 JVM_FEATURES_link_time_opt="" 375 fi 376 377 # All variants but minimal (and custom) get these features 378 NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES jvmti fprof vm-structs jni-check services management all-gcs nmt cds" 379 380 # Enable features depending on variant. 381 JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot $JVM_FEATURES_graal" 382 JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci" 383 JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES" 384 JVM_FEATURES_minimal="compiler1 minimal $JVM_FEATURES $JVM_FEATURES_link_time_opt" 385 JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES" 386 JVM_FEATURES_zeroshark="zero shark $NON_MINIMAL_FEATURES $JVM_FEATURES" 387 JVM_FEATURES_custom="$JVM_FEATURES" 388 389 AC_SUBST(JVM_FEATURES_server) 390 AC_SUBST(JVM_FEATURES_client) 391 AC_SUBST(JVM_FEATURES_core) 392 AC_SUBST(JVM_FEATURES_minimal) 393 AC_SUBST(JVM_FEATURES_zero) 394 AC_SUBST(JVM_FEATURES_zeroshark) 395 AC_SUBST(JVM_FEATURES_custom) 396 397 # Used for verification of Makefiles by check-jvm-feature 398 AC_SUBST(VALID_JVM_FEATURES) 399 400 # We don't support --with-jvm-interpreter anymore, use zero instead. 401 BASIC_DEPRECATED_ARG_WITH(jvm-interpreter) 402]) 403 404############################################################################### 405# Validate JVM features once all setup is complete, including custom setup. 406# 407AC_DEFUN_ONCE([HOTSPOT_VALIDATE_JVM_FEATURES], 408[ 409 # Keep feature lists sorted and free of duplicates 410 JVM_FEATURES_server="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_server | $SORT -u))" 411 JVM_FEATURES_client="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_client | $SORT -u))" 412 JVM_FEATURES_core="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_core | $SORT -u))" 413 JVM_FEATURES_minimal="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_minimal | $SORT -u))" 414 JVM_FEATURES_zero="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_zero | $SORT -u))" 415 JVM_FEATURES_zeroshark="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_zeroshark | $SORT -u))" 416 JVM_FEATURES_custom="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_custom | $SORT -u))" 417 418 # Validate features 419 for variant in $JVM_VARIANTS; do 420 AC_MSG_CHECKING([JVM features for JVM variant '$variant']) 421 features_var_name=JVM_FEATURES_$variant 422 JVM_FEATURES_TO_TEST=${!features_var_name} 423 AC_MSG_RESULT([$JVM_FEATURES_TO_TEST]) 424 NEEDLE=${VALID_JVM_FEATURES// /$'\n'} 425 STACK=${JVM_FEATURES_TO_TEST// /$'\n'} 426 INVALID_FEATURES=`$GREP -Fvx "${NEEDLE}" <<< "${STACK}"` 427 if test "x$INVALID_FEATURES" != x; then 428 AC_MSG_ERROR([Invalid JVM feature(s): $INVALID_FEATURES]) 429 fi 430 done 431]) 432 433################################################################################ 434# 435# Specify which sources will be used to build the 64-bit ARM port 436# 437# --with-cpu-port=arm64 will use hotspot/src/cpu/arm 438# --with-cpu-port=aarch64 will use hotspot/src/cpu/aarch64 439# 440AC_DEFUN([SETUP_HOTSPOT_TARGET_CPU_PORT], 441[ 442 AC_ARG_WITH(cpu-port, [AS_HELP_STRING([--with-cpu-port], 443 [specify sources to use for Hotspot 64-bit ARM port (arm64,aarch64) @<:@aarch64@:>@ ])]) 444 445 if test "x$with_cpu_port" != x; then 446 if test "x$OPENJDK_TARGET_CPU" != xaarch64; then 447 AC_MSG_ERROR([--with-cpu-port only available on aarch64]) 448 fi 449 if test "x$with_cpu_port" != xarm64 && \ 450 test "x$with_cpu_port" != xaarch64; then 451 AC_MSG_ERROR([--with-cpu-port must specify arm64 or aarch64]) 452 fi 453 HOTSPOT_TARGET_CPU_PORT="$with_cpu_port" 454 fi 455]) 456 457 458################################################################################ 459# Check if gtest should be built 460# 461AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_GTEST], 462[ 463 AC_ARG_ENABLE([hotspot-gtest], [AS_HELP_STRING([--disable-hotspot-gtest], 464 [Disables building of the Hotspot unit tests])]) 465 466 if test -e "$HOTSPOT_TOPDIR/test/native"; then 467 GTEST_DIR_EXISTS="true" 468 else 469 GTEST_DIR_EXISTS="false" 470 fi 471 472 AC_MSG_CHECKING([if Hotspot gtest unit tests should be built]) 473 if test "x$enable_hotspot_gtest" = "xyes"; then 474 if test "x$GTEST_DIR_EXISTS" = "xtrue"; then 475 AC_MSG_RESULT([yes, forced]) 476 BUILD_GTEST="true" 477 else 478 AC_MSG_ERROR([Cannot build gtest without the test source]) 479 fi 480 elif test "x$enable_hotspot_gtest" = "xno"; then 481 AC_MSG_RESULT([no, forced]) 482 BUILD_GTEST="false" 483 elif test "x$enable_hotspot_gtest" = "x"; then 484 if test "x$GTEST_DIR_EXISTS" = "xtrue" && test "x$OPENJDK_TARGET_OS" != "xaix"; then 485 AC_MSG_RESULT([yes]) 486 BUILD_GTEST="true" 487 else 488 AC_MSG_RESULT([no]) 489 BUILD_GTEST="false" 490 fi 491 else 492 AC_MSG_ERROR([--enable-gtest must be either yes or no]) 493 fi 494 495 AC_SUBST(BUILD_GTEST) 496]) 497