common/autoconf/hotspot.m4
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common/autoconf/hotspot.m4

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rev 2379 : 8168503: JEP 297: Unified arm32/arm64 Port
Reviewed-by: kvn, enevill, ihse, dholmes, erik, coleenp, cjplummer


   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 shark minimal dtrace jvmti jvmci \
  28     graal fprof vm-structs jni-check services management all-gcs nmt cds static-build aot"

  29 
  30 # All valid JVM variants
  31 VALID_JVM_VARIANTS="server client minimal core zero zeroshark custom"
  32 
  33 ###############################################################################
  34 # Check if the specified JVM variant should be built. To be used in shell if
  35 # constructs, like this:
  36 # if HOTSPOT_CHECK_JVM_VARIANT(server); then
  37 #
  38 # Only valid to use after HOTSPOT_SETUP_JVM_VARIANTS has setup variants.
  39 
  40 # Definition kept in one line to allow inlining in if statements.
  41 # Additional [] needed to keep m4 from mangling shell constructs.
  42 AC_DEFUN([HOTSPOT_CHECK_JVM_VARIANT],
  43 [ [ [[ " $JVM_VARIANTS " =~ " $1 " ]] ] ])
  44 
  45 ###############################################################################
  46 # Check if the specified JVM features are explicitly enabled. To be used in
  47 # shell if constructs, like this:
  48 # if HOTSPOT_CHECK_JVM_FEATURE(jvmti); then


  52 # Definition kept in one line to allow inlining in if statements.
  53 # Additional [] needed to keep m4 from mangling shell constructs.
  54 AC_DEFUN([HOTSPOT_CHECK_JVM_FEATURE],
  55 [ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ])
  56 
  57 ###############################################################################
  58 # Check which variants of the JVM that we want to build. Available variants are:
  59 #   server: normal interpreter, and a tiered C1/C2 compiler
  60 #   client: normal interpreter, and C1 (no C2 compiler)
  61 #   minimal: reduced form of client with optional features stripped out
  62 #   core: normal interpreter only, no compiler
  63 #   zero: C++ based interpreter only, no compiler
  64 #   zeroshark: C++ based interpreter, and a llvm-based compiler
  65 #   custom: baseline JVM with no default features
  66 #
  67 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],
  68 [
  69   AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],
  70       [JVM variants (separated by commas) to build (server,client,minimal,core,zero,zeroshark,custom) @<:@server@:>@])])
  71 


  72   if test "x$with_jvm_variants" = x; then
  73     with_jvm_variants="server"
  74   fi
  75   JVM_VARIANTS_OPT="$with_jvm_variants"
  76 
  77   # Has the user listed more than one variant?
  78   # Additional [] needed to keep m4 from mangling shell constructs.
  79   if [ [[ "$JVM_VARIANTS_OPT" =~ "," ]] ]; then
  80     BUILDING_MULTIPLE_JVM_VARIANTS=true
  81   else
  82     BUILDING_MULTIPLE_JVM_VARIANTS=false
  83   fi
  84   # Replace the commas with AND for use in the build directory name.
  85   JVM_VARIANTS_WITH_AND=`$ECHO "$JVM_VARIANTS_OPT" | $SED -e 's/,/AND/g'`
  86 
  87   AC_MSG_CHECKING([which variants of the JVM to build])
  88   # JVM_VARIANTS is a space-separated list.
  89   # Also use minimal, not minimal1 (which is kept for backwards compatibility).
  90   JVM_VARIANTS=`$ECHO $JVM_VARIANTS_OPT | $SED -e 's/,/ /g' -e 's/minimal1/minimal/'`
  91   AC_MSG_RESULT([$JVM_VARIANTS])


 236   fi
 237 
 238   AC_SUBST(ENABLE_AOT)
 239 ])
 240 
 241 ###############################################################################
 242 # Set up all JVM features for each JVM variant.
 243 #
 244 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
 245 [
 246   # The user can in some cases supply additional jvm features. For the custom
 247   # variant, this defines the entire variant.
 248   AC_ARG_WITH([jvm-features], [AS_HELP_STRING([--with-jvm-features],
 249       [additional JVM features to enable (separated by comma),  use '--help' to show possible values @<:@none@:>@])])
 250   if test "x$with_jvm_features" != x; then
 251     AC_MSG_CHECKING([additional JVM features])
 252     JVM_FEATURES=`$ECHO $with_jvm_features | $SED -e 's/,/ /g'`
 253     AC_MSG_RESULT([$JVM_FEATURES])
 254   fi
 255 













 256   # Verify that dependencies are met for explicitly set features.
 257   if HOTSPOT_CHECK_JVM_FEATURE(jvmti) && ! HOTSPOT_CHECK_JVM_FEATURE(services); then
 258     AC_MSG_ERROR([Specified JVM feature 'jvmti' requires feature 'services'])
 259   fi
 260 
 261   if HOTSPOT_CHECK_JVM_FEATURE(management) && ! HOTSPOT_CHECK_JVM_FEATURE(nmt); then
 262     AC_MSG_ERROR([Specified JVM feature 'management' requires feature 'nmt'])
 263   fi
 264 
 265   if HOTSPOT_CHECK_JVM_FEATURE(jvmci) && ! (HOTSPOT_CHECK_JVM_FEATURE(compiler1) || HOTSPOT_CHECK_JVM_FEATURE(compiler2)); then
 266     AC_MSG_ERROR([Specified JVM feature 'jvmci' requires feature 'compiler2' or 'compiler1'])
 267   fi
 268 
 269   if HOTSPOT_CHECK_JVM_FEATURE(compiler2) && ! HOTSPOT_CHECK_JVM_FEATURE(all-gcs); then
 270     AC_MSG_ERROR([Specified JVM feature 'compiler2' requires feature 'all-gcs'])
 271   fi
 272 
 273   if HOTSPOT_CHECK_JVM_FEATURE(vm-structs) && ! HOTSPOT_CHECK_JVM_FEATURE(all-gcs); then
 274     AC_MSG_ERROR([Specified JVM feature 'vm-structs' requires feature 'all-gcs'])
 275   fi


 334 
 335   AC_SUBST(INCLUDE_GRAAL)
 336 
 337   AC_MSG_CHECKING([if aot should be enabled])
 338   if test "x$ENABLE_AOT" = "xtrue"; then
 339     if test "x$enable_aot" = "xyes"; then
 340       AC_MSG_RESULT([yes, forced])
 341     else
 342       AC_MSG_RESULT([yes])
 343     fi
 344     JVM_FEATURES_aot="aot"
 345   else
 346     if test "x$enable_aot" = "xno"; then
 347       AC_MSG_RESULT([no, forced])
 348     else
 349       AC_MSG_RESULT([no])
 350     fi
 351     JVM_FEATURES_aot=""
 352   fi
 353 







 354   # All variants but minimal (and custom) get these features
 355   NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES jvmti fprof vm-structs jni-check services management all-gcs nmt cds"
 356 
 357   # Enable features depending on variant.
 358   JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot $JVM_FEATURES_graal"
 359   JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci"
 360   JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES"
 361   JVM_FEATURES_minimal="compiler1 minimal $JVM_FEATURES"
 362   JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES"
 363   JVM_FEATURES_zeroshark="zero shark $NON_MINIMAL_FEATURES $JVM_FEATURES"
 364   JVM_FEATURES_custom="$JVM_FEATURES"
 365 
 366   AC_SUBST(JVM_FEATURES_server)
 367   AC_SUBST(JVM_FEATURES_client)
 368   AC_SUBST(JVM_FEATURES_core)
 369   AC_SUBST(JVM_FEATURES_minimal)
 370   AC_SUBST(JVM_FEATURES_zero)
 371   AC_SUBST(JVM_FEATURES_zeroshark)
 372   AC_SUBST(JVM_FEATURES_custom)
 373 
 374   # Used for verification of Makefiles by check-jvm-feature
 375   AC_SUBST(VALID_JVM_FEATURES)
 376 
 377   # We don't support --with-jvm-interpreter anymore, use zero instead.
 378   BASIC_DEPRECATED_ARG_WITH(jvm-interpreter)
 379 ])
 380 
 381 ###############################################################################


 389   JVM_FEATURES_core="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_core | $SORT -u))"
 390   JVM_FEATURES_minimal="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_minimal | $SORT -u))"
 391   JVM_FEATURES_zero="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_zero | $SORT -u))"
 392   JVM_FEATURES_zeroshark="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_zeroshark | $SORT -u))"
 393   JVM_FEATURES_custom="$($ECHO $($PRINTF '%s\n' $JVM_FEATURES_custom | $SORT -u))"
 394 
 395   # Validate features
 396   for variant in $JVM_VARIANTS; do
 397     AC_MSG_CHECKING([JVM features for JVM variant '$variant'])
 398     features_var_name=JVM_FEATURES_$variant
 399     JVM_FEATURES_TO_TEST=${!features_var_name}
 400     AC_MSG_RESULT([$JVM_FEATURES_TO_TEST])
 401     NEEDLE=${VALID_JVM_FEATURES// /$'\n'}
 402     STACK=${JVM_FEATURES_TO_TEST// /$'\n'}
 403     INVALID_FEATURES=`$GREP -Fvx "${NEEDLE}" <<< "${STACK}"`
 404     if test "x$INVALID_FEATURES" != x; then
 405       AC_MSG_ERROR([Invalid JVM feature(s): $INVALID_FEATURES])
 406     fi
 407   done
 408 ])

























 409 
 410 ################################################################################
 411 # Check if gtest should be built
 412 #
 413 AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_GTEST],
 414 [
 415   AC_ARG_ENABLE([hotspot-gtest], [AS_HELP_STRING([--disable-hotspot-gtest],
 416       [Disables building of the Hotspot unit tests])])
 417 
 418   if test -e "$HOTSPOT_TOPDIR/test/native"; then
 419     GTEST_DIR_EXISTS="true"
 420   else
 421     GTEST_DIR_EXISTS="false"
 422   fi
 423 
 424   AC_MSG_CHECKING([if Hotspot gtest unit tests should be built])
 425   if test "x$enable_hotspot_gtest" = "xyes"; then
 426     if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
 427       AC_MSG_RESULT([yes, forced])
 428       BUILD_GTEST="true"


   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 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
  32 VALID_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.
  43 AC_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


  53 # Definition kept in one line to allow inlining in if statements.
  54 # Additional [] needed to keep m4 from mangling shell constructs.
  55 AC_DEFUN([HOTSPOT_CHECK_JVM_FEATURE],
  56 [ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ])
  57 
  58 ###############################################################################
  59 # Check which variants of the JVM that we want to build. Available variants are:
  60 #   server: normal interpreter, and a tiered C1/C2 compiler
  61 #   client: normal interpreter, and C1 (no C2 compiler)
  62 #   minimal: reduced form of client with optional features stripped out
  63 #   core: normal interpreter only, no compiler
  64 #   zero: C++ based interpreter only, no compiler
  65 #   zeroshark: C++ based interpreter, and a llvm-based compiler
  66 #   custom: baseline JVM with no default features
  67 #
  68 AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],
  69 [
  70   AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],
  71       [JVM variants (separated by commas) to build (server,client,minimal,core,zero,zeroshark,custom) @<:@server@:>@])])
  72 
  73   SETUP_HOTSPOT_TARGET_CPU_PORT
  74 
  75   if test "x$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])


 239   fi
 240 
 241   AC_SUBST(ENABLE_AOT)
 242 ])
 243 
 244 ###############################################################################
 245 # Set up all JVM features for each JVM variant.
 246 #
 247 AC_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


 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 ###############################################################################


 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): $INVALID_FEATURES])
 429     fi
 430   done
 431 ])
 432 
 433 ################################################################################
 434 #
 435 # Specify which sources will be used to build the 64-bit ARM port
 436 #
 437 # --with-cpu-port=arm64   will use hotspot/src/cpu/arm
 438 # --with-cpu-port=aarch64 will use hotspot/src/cpu/aarch64
 439 #
 440 AC_DEFUN([SETUP_HOTSPOT_TARGET_CPU_PORT],
 441 [
 442   AC_ARG_WITH(cpu-port, [AS_HELP_STRING([--with-cpu-port],
 443       [specify sources to use for Hotspot 64-bit ARM port (arm64,aarch64) @<:@aarch64@:>@ ])])
 444 
 445   if test "x$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 #
 461 AC_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"
common/autoconf/hotspot.m4
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