8198719: MethodHandleHelper.linkToStatic should drop MH arg
Reviewed-by: vlivanov, dlong
#
# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
# All valid JVM features, regardless of platform
VALID_JVM_FEATURES="compiler1 compiler2 zero minimal dtrace jvmti jvmci \
graal vm-structs jni-check services management cmsgc epsilongc g1gc parallelgc serialgc zgc nmt cds \
static-build link-time-opt aot jfr"
# Deprecated JVM features (these are ignored, but with a warning)
DEPRECATED_JVM_FEATURES="trace"
# All valid JVM variants
VALID_JVM_VARIANTS="server client minimal core zero custom"
###############################################################################
# Check if the specified JVM variant should be built. To be used in shell if
# constructs, like this:
# if HOTSPOT_CHECK_JVM_VARIANT(server); then
#
# Only valid to use after HOTSPOT_SETUP_JVM_VARIANTS has setup variants.
# Definition kept in one line to allow inlining in if statements.
# Additional [] needed to keep m4 from mangling shell constructs.
AC_DEFUN([HOTSPOT_CHECK_JVM_VARIANT],
[ [ [[ " $JVM_VARIANTS " =~ " $1 " ]] ] ])
###############################################################################
# Check if the specified JVM features are explicitly enabled. To be used in
# shell if constructs, like this:
# if HOTSPOT_CHECK_JVM_FEATURE(jvmti); then
#
# Only valid to use after HOTSPOT_SETUP_JVM_FEATURES has setup features.
# Definition kept in one line to allow inlining in if statements.
# Additional [] needed to keep m4 from mangling shell constructs.
AC_DEFUN([HOTSPOT_CHECK_JVM_FEATURE],
[ [ [[ " $JVM_FEATURES " =~ " $1 " ]] ] ])
###############################################################################
# Check which variants of the JVM that we want to build. Available variants are:
# server: normal interpreter, and a tiered C1/C2 compiler
# client: normal interpreter, and C1 (no C2 compiler)
# minimal: reduced form of client with optional features stripped out
# core: normal interpreter only, no compiler
# zero: C++ based interpreter only, no compiler
# custom: baseline JVM with no default features
#
AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],
[
AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],
[JVM variants (separated by commas) to build (server,client,minimal,core,zero,custom) @<:@server@:>@])])
SETUP_HOTSPOT_TARGET_CPU_PORT
if test "x$with_jvm_variants" = x; then
with_jvm_variants="server"
fi
JVM_VARIANTS_OPT="$with_jvm_variants"
# Has the user listed more than one variant?
# Additional [] needed to keep m4 from mangling shell constructs.
if [ [[ "$JVM_VARIANTS_OPT" =~ "," ]] ]; then
BUILDING_MULTIPLE_JVM_VARIANTS=true
else
BUILDING_MULTIPLE_JVM_VARIANTS=false
fi
# Replace the commas with AND for use in the build directory name.
JVM_VARIANTS_WITH_AND=`$ECHO "$JVM_VARIANTS_OPT" | $SED -e 's/,/AND/g'`
AC_MSG_CHECKING([which variants of the JVM to build])
# JVM_VARIANTS is a space-separated list.
# Also use minimal, not minimal1 (which is kept for backwards compatibility).
JVM_VARIANTS=`$ECHO $JVM_VARIANTS_OPT | $SED -e 's/,/ /g' -e 's/minimal1/minimal/'`
AC_MSG_RESULT([$JVM_VARIANTS])
# Check that the selected variants are valid
BASIC_GET_NON_MATCHING_VALUES(INVALID_VARIANTS, $JVM_VARIANTS, $VALID_JVM_VARIANTS)
if test "x$INVALID_VARIANTS" != x; then
AC_MSG_NOTICE([Unknown variant(s) specified: "$INVALID_VARIANTS"])
AC_MSG_NOTICE([The available JVM variants are: "$VALID_JVM_VARIANTS"])
AC_MSG_ERROR([Cannot continue])
fi
# All "special" variants share the same output directory ("server")
VALID_MULTIPLE_JVM_VARIANTS="server client minimal"
BASIC_GET_NON_MATCHING_VALUES(INVALID_MULTIPLE_VARIANTS, $JVM_VARIANTS, $VALID_MULTIPLE_JVM_VARIANTS)
if test "x$INVALID_MULTIPLE_VARIANTS" != x && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xtrue; then
AC_MSG_ERROR([You cannot build multiple variants with anything else than $VALID_MULTIPLE_JVM_VARIANTS.])
fi
# The "main" variant is the one used by other libs to link against during the
# build.
if test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = "xtrue"; then
MAIN_VARIANT_PRIO_ORDER="server client minimal"
for variant in $MAIN_VARIANT_PRIO_ORDER; do
if HOTSPOT_CHECK_JVM_VARIANT($variant); then
JVM_VARIANT_MAIN="$variant"
break
fi
done
else
JVM_VARIANT_MAIN="$JVM_VARIANTS"
fi
AC_SUBST(JVM_VARIANTS)
AC_SUBST(VALID_JVM_VARIANTS)
AC_SUBST(JVM_VARIANT_MAIN)
if HOTSPOT_CHECK_JVM_VARIANT(zero); then
# zero behaves as a platform and rewrites these values. This is really weird. :(
# We are guaranteed that we do not build any other variants when building zero.
HOTSPOT_TARGET_CPU=zero
HOTSPOT_TARGET_CPU_ARCH=zero
fi
])
###############################################################################
# Check if dtrace should be enabled and has all prerequisites present.
#
AC_DEFUN_ONCE([HOTSPOT_SETUP_DTRACE],
[
# Test for dtrace dependencies
AC_ARG_ENABLE([dtrace], [AS_HELP_STRING([--enable-dtrace@<:@=yes/no/auto@:>@],
[enable dtrace. Default is auto, where dtrace is enabled if all dependencies
are present.])])
DTRACE_DEP_MISSING=false
AC_MSG_CHECKING([for dtrace tool])
if test "x$DTRACE" != "x" && test -x "$DTRACE"; then
AC_MSG_RESULT([$DTRACE])
else
AC_MSG_RESULT([not found, cannot build dtrace])
DTRACE_DEP_MISSING=true
fi
AC_CHECK_HEADERS([sys/sdt.h], [DTRACE_HEADERS_OK=yes],[DTRACE_HEADERS_OK=no])
if test "x$DTRACE_HEADERS_OK" != "xyes"; then
DTRACE_DEP_MISSING=true
fi
AC_MSG_CHECKING([if dtrace should be built])
if test "x$enable_dtrace" = "xyes"; then
if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
AC_MSG_RESULT([no, missing dependencies])
HELP_MSG_MISSING_DEPENDENCY([dtrace])
AC_MSG_ERROR([Cannot enable dtrace with missing dependencies. See above. $HELP_MSG])
else
INCLUDE_DTRACE=true
AC_MSG_RESULT([yes, forced])
fi
elif test "x$enable_dtrace" = "xno"; then
INCLUDE_DTRACE=false
AC_MSG_RESULT([no, forced])
elif test "x$enable_dtrace" = "xauto" || test "x$enable_dtrace" = "x"; then
if test "x$DTRACE_DEP_MISSING" = "xtrue"; then
INCLUDE_DTRACE=false
AC_MSG_RESULT([no, missing dependencies])
else
INCLUDE_DTRACE=true
AC_MSG_RESULT([yes, dependencies present])
fi
else
AC_MSG_ERROR([Invalid value for --enable-dtrace: $enable_dtrace])
fi
])
################################################################################
# Check if AOT should be enabled
#
AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_AOT],
[
AC_ARG_ENABLE([aot], [AS_HELP_STRING([--enable-aot@<:@=yes/no/auto@:>@],
[enable ahead of time compilation feature. Default is auto, where aot is enabled if all dependencies are present.])])
if test "x$enable_aot" = "x" || test "x$enable_aot" = "xauto"; then
ENABLE_AOT="true"
elif test "x$enable_aot" = "xyes"; then
ENABLE_AOT="true"
elif test "x$enable_aot" = "xno"; then
ENABLE_AOT="false"
AC_MSG_CHECKING([if aot should be enabled])
AC_MSG_RESULT([no, forced])
else
AC_MSG_ERROR([Invalid value for --enable-aot: $enable_aot])
fi
if test "x$ENABLE_AOT" = "xtrue"; then
# Only enable AOT on X64 platforms.
if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
if test -e "${TOPDIR}/src/jdk.aot"; then
if test -e "${TOPDIR}/src/jdk.internal.vm.compiler"; then
ENABLE_AOT="true"
else
ENABLE_AOT="false"
if test "x$enable_aot" = "xyes"; then
AC_MSG_ERROR([Cannot build AOT without src/jdk.internal.vm.compiler sources. Remove --enable-aot.])
fi
fi
else
ENABLE_AOT="false"
if test "x$enable_aot" = "xyes"; then
AC_MSG_ERROR([Cannot build AOT without src/jdk.aot sources. Remove --enable-aot.])
fi
fi
else
ENABLE_AOT="false"
if test "x$enable_aot" = "xyes"; then
AC_MSG_ERROR([AOT is currently only supported on x86_64. Remove --enable-aot.])
fi
fi
fi
AC_SUBST(ENABLE_AOT)
])
################################################################################
# Allow to disable CDS
#
AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_CDS],
[
AC_ARG_ENABLE([cds], [AS_HELP_STRING([--enable-cds@<:@=yes/no/auto@:>@],
[enable class data sharing feature in non-minimal VM. Default is auto, where cds is enabled if supported on the platform.])])
if test "x$enable_cds" = "x" || test "x$enable_cds" = "xauto"; then
ENABLE_CDS="true"
elif test "x$enable_cds" = "xyes"; then
ENABLE_CDS="true"
elif test "x$enable_cds" = "xno"; then
ENABLE_CDS="false"
else
AC_MSG_ERROR([Invalid value for --enable-cds: $enable_cds])
fi
# Disable CDS on AIX.
if test "x$OPENJDK_TARGET_OS" = "xaix"; then
ENABLE_CDS="false"
if test "x$enable_cds" = "xyes"; then
AC_MSG_ERROR([CDS is currently not supported on AIX. Remove --enable-cds.])
fi
fi
AC_SUBST(ENABLE_CDS)
])
###############################################################################
# Set up all JVM features for each JVM variant.
#
AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_FEATURES],
[
# Prettify the VALID_JVM_FEATURES string
BASIC_SORT_LIST(VALID_JVM_FEATURES, $VALID_JVM_FEATURES)
# The user can in some cases supply additional jvm features. For the custom
# variant, this defines the entire variant.
AC_ARG_WITH([jvm-features], [AS_HELP_STRING([--with-jvm-features],
[JVM features to enable (foo) or disable (-foo), separated by comma. Use '--help' to show possible values @<:@none@:>@])])
if test "x$with_jvm_features" != x; then
AC_MSG_CHECKING([user specified JVM feature list])
USER_JVM_FEATURE_LIST=`$ECHO $with_jvm_features | $SED -e 's/,/ /g'`
AC_MSG_RESULT([$user_jvm_feature_list])
# These features will be added to all variant defaults
JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (!match($i, /^-.*/)) printf("%s ", $i) }'`
# These features will be removed from all variant defaults
DISABLED_JVM_FEATURES=`$ECHO $USER_JVM_FEATURE_LIST | $AWK '{ for (i=1; i<=NF; i++) if (match($i, /^-.*/)) printf("%s ", substr($i, 2))}'`
# Verify that the user has provided valid features
BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $VALID_JVM_FEATURES $DEPRECATED_JVM_FEATURES)
if test "x$INVALID_FEATURES" != x; then
AC_MSG_NOTICE([Unknown JVM features specified: "$INVALID_FEATURES"])
AC_MSG_NOTICE([The available JVM features are: "$VALID_JVM_FEATURES"])
AC_MSG_ERROR([Cannot continue])
fi
# Check if the user has provided deprecated features
BASIC_GET_MATCHING_VALUES(DEPRECATED_FEATURES, $JVM_FEATURES $DISABLED_JVM_FEATURES, $DEPRECATED_JVM_FEATURES)
if test "x$DEPRECATED_FEATURES" != x; then
AC_MSG_WARN([Deprecated JVM features specified (will be ignored): "$DEPRECATED_FEATURES"])
# Filter out deprecated features
BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES, $JVM_FEATURES, $DEPRECATED_FEATURES)
BASIC_GET_NON_MATCHING_VALUES(DISABLED_JVM_FEATURES, $DISABLED_JVM_FEATURES, $DEPRECATED_FEATURES)
fi
fi
# Override hotspot cpu definitions for ARM platforms
if test "x$OPENJDK_TARGET_CPU" = xarm; then
HOTSPOT_TARGET_CPU=arm_32
HOTSPOT_TARGET_CPU_DEFINE="ARM32"
elif test "x$OPENJDK_TARGET_CPU" = xaarch64 && test "x$HOTSPOT_TARGET_CPU_PORT" = xarm64; then
HOTSPOT_TARGET_CPU=arm_64
HOTSPOT_TARGET_CPU_ARCH=arm
fi
# Verify that dependencies are met for explicitly set features.
if HOTSPOT_CHECK_JVM_FEATURE(jvmti) && ! HOTSPOT_CHECK_JVM_FEATURE(services); then
AC_MSG_ERROR([Specified JVM feature 'jvmti' requires feature 'services'])
fi
if HOTSPOT_CHECK_JVM_FEATURE(management) && ! HOTSPOT_CHECK_JVM_FEATURE(nmt); then
AC_MSG_ERROR([Specified JVM feature 'management' requires feature 'nmt'])
fi
if HOTSPOT_CHECK_JVM_FEATURE(jvmci) && ! (HOTSPOT_CHECK_JVM_FEATURE(compiler1) || HOTSPOT_CHECK_JVM_FEATURE(compiler2)); then
AC_MSG_ERROR([Specified JVM feature 'jvmci' requires feature 'compiler2' or 'compiler1'])
fi
if HOTSPOT_CHECK_JVM_FEATURE(cmsgc) && ! HOTSPOT_CHECK_JVM_FEATURE(serialgc); then
AC_MSG_ERROR([Specified JVM feature 'cmsgc' requires feature 'serialgc'])
fi
# Enable JFR by default, except for Zero, linux-sparcv9 and on minimal.
if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
if test "x$OPENJDK_TARGET_OS" != xlinux || test "x$OPENJDK_TARGET_CPU" != xsparcv9; then
NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES jfr"
fi
fi
# Only enable ZGC on Linux x86_64
AC_MSG_CHECKING([if zgc should be built])
if HOTSPOT_CHECK_JVM_FEATURE(zgc); then
if test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
AC_MSG_RESULT([yes])
else
DISABLED_JVM_FEATURES="$DISABLED_JVM_FEATURES zgc"
AC_MSG_RESULT([no, platform not supported])
fi
else
AC_MSG_RESULT([no])
fi
# Turn on additional features based on other parts of configure
if test "x$INCLUDE_DTRACE" = "xtrue"; then
JVM_FEATURES="$JVM_FEATURES dtrace"
else
if HOTSPOT_CHECK_JVM_FEATURE(dtrace); then
AC_MSG_ERROR([To enable dtrace, you must use --enable-dtrace])
fi
fi
if test "x$STATIC_BUILD" = "xtrue"; then
JVM_FEATURES="$JVM_FEATURES static-build"
else
if HOTSPOT_CHECK_JVM_FEATURE(static-build); then
AC_MSG_ERROR([To enable static-build, you must use --enable-static-build])
fi
fi
if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
if HOTSPOT_CHECK_JVM_FEATURE(zero); then
AC_MSG_ERROR([To enable zero, you must use --with-jvm-variants=zero])
fi
fi
# Only enable jvmci on x86_64, sparcv9 and aarch64.
if test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
test "x$OPENJDK_TARGET_CPU" = "xsparcv9" || \
test "x$OPENJDK_TARGET_CPU" = "xaarch64" ; then
JVM_FEATURES_jvmci="jvmci"
else
JVM_FEATURES_jvmci=""
fi
AC_MSG_CHECKING([if jdk.internal.vm.compiler should be built])
if HOTSPOT_CHECK_JVM_FEATURE(graal); then
AC_MSG_RESULT([yes, forced])
if test "x$JVM_FEATURES_jvmci" != "xjvmci" ; then
AC_MSG_ERROR([Specified JVM feature 'graal' requires feature 'jvmci'])
fi
INCLUDE_GRAAL="true"
else
# By default enable graal build on x64 or where AOT is available.
# graal build requires jvmci.
if test "x$JVM_FEATURES_jvmci" = "xjvmci" && \
(test "x$OPENJDK_TARGET_CPU" = "xx86_64" || \
test "x$ENABLE_AOT" = "xtrue") ; then
AC_MSG_RESULT([yes])
JVM_FEATURES_graal="graal"
INCLUDE_GRAAL="true"
else
AC_MSG_RESULT([no])
JVM_FEATURES_graal=""
INCLUDE_GRAAL="false"
fi
fi
AC_SUBST(INCLUDE_GRAAL)
AC_MSG_CHECKING([if aot should be enabled])
if test "x$ENABLE_AOT" = "xtrue"; then
if test "x$enable_aot" = "xyes"; then
AC_MSG_RESULT([yes, forced])
else
AC_MSG_RESULT([yes])
fi
JVM_FEATURES_aot="aot"
else
if test "x$enable_aot" = "xno"; then
AC_MSG_RESULT([no, forced])
else
AC_MSG_RESULT([no])
fi
JVM_FEATURES_aot=""
fi
if test "x$OPENJDK_TARGET_CPU" = xarm ; then
# Default to use link time optimizations on minimal on arm
JVM_FEATURES_link_time_opt="link-time-opt"
else
JVM_FEATURES_link_time_opt=""
fi
# All variants but minimal (and custom) get these features
NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cmsgc g1gc parallelgc serialgc epsilongc jni-check jvmti management nmt services vm-structs"
AC_MSG_CHECKING([if cds should be enabled])
if test "x$ENABLE_CDS" = "xtrue"; then
if test "x$enable_cds" = "xyes"; then
AC_MSG_RESULT([yes, forced])
else
AC_MSG_RESULT([yes])
fi
NON_MINIMAL_FEATURES="$NON_MINIMAL_FEATURES cds"
else
if test "x$enable_cds" = "xno"; then
AC_MSG_RESULT([no, forced])
else
AC_MSG_RESULT([no])
fi
fi
# Enable features depending on variant.
JVM_FEATURES_server="compiler1 compiler2 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci $JVM_FEATURES_aot $JVM_FEATURES_graal"
JVM_FEATURES_client="compiler1 $NON_MINIMAL_FEATURES $JVM_FEATURES $JVM_FEATURES_jvmci"
JVM_FEATURES_core="$NON_MINIMAL_FEATURES $JVM_FEATURES"
JVM_FEATURES_minimal="compiler1 minimal serialgc $JVM_FEATURES $JVM_FEATURES_link_time_opt"
JVM_FEATURES_zero="zero $NON_MINIMAL_FEATURES $JVM_FEATURES"
JVM_FEATURES_custom="$JVM_FEATURES"
AC_SUBST(JVM_FEATURES_server)
AC_SUBST(JVM_FEATURES_client)
AC_SUBST(JVM_FEATURES_core)
AC_SUBST(JVM_FEATURES_minimal)
AC_SUBST(JVM_FEATURES_zero)
AC_SUBST(JVM_FEATURES_custom)
# Used for verification of Makefiles by check-jvm-feature
AC_SUBST(VALID_JVM_FEATURES)
# We don't support --with-jvm-interpreter anymore, use zero instead.
BASIC_DEPRECATED_ARG_WITH(jvm-interpreter)
])
###############################################################################
# Finalize JVM features once all setup is complete, including custom setup.
#
AC_DEFUN_ONCE([HOTSPOT_FINALIZE_JVM_FEATURES],
[
for variant in $JVM_VARIANTS; do
AC_MSG_CHECKING([JVM features for JVM variant '$variant'])
features_var_name=JVM_FEATURES_$variant
JVM_FEATURES_FOR_VARIANT=${!features_var_name}
# Filter out user-requested disabled features
BASIC_GET_NON_MATCHING_VALUES(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT, $DISABLED_JVM_FEATURES)
# Keep feature lists sorted and free of duplicates
BASIC_SORT_LIST(JVM_FEATURES_FOR_VARIANT, $JVM_FEATURES_FOR_VARIANT)
# Update real feature set variable
eval $features_var_name='"'$JVM_FEATURES_FOR_VARIANT'"'
AC_MSG_RESULT(["$JVM_FEATURES_FOR_VARIANT"])
# Verify that we have at least one gc selected
GC_FEATURES=`$ECHO $JVM_FEATURES_FOR_VARIANT | $GREP gc`
if test "x$GC_FEATURES" = x; then
AC_MSG_WARN([Invalid JVM features: No gc selected for variant $variant.])
fi
# Validate features (for configure script errors, not user errors)
BASIC_GET_NON_MATCHING_VALUES(INVALID_FEATURES, $JVM_FEATURES_FOR_VARIANT, $VALID_JVM_FEATURES)
if test "x$INVALID_FEATURES" != x; then
AC_MSG_ERROR([Internal configure script error. Invalid JVM feature(s): $INVALID_FEATURES])
fi
done
])
################################################################################
#
# Specify which sources will be used to build the 64-bit ARM port
#
# --with-cpu-port=arm64 will use hotspot/src/cpu/arm
# --with-cpu-port=aarch64 will use hotspot/src/cpu/aarch64
#
AC_DEFUN([SETUP_HOTSPOT_TARGET_CPU_PORT],
[
AC_ARG_WITH(cpu-port, [AS_HELP_STRING([--with-cpu-port],
[specify sources to use for Hotspot 64-bit ARM port (arm64,aarch64) @<:@aarch64@:>@ ])])
if test "x$with_cpu_port" != x; then
if test "x$OPENJDK_TARGET_CPU" != xaarch64; then
AC_MSG_ERROR([--with-cpu-port only available on aarch64])
fi
if test "x$with_cpu_port" != xarm64 && \
test "x$with_cpu_port" != xaarch64; then
AC_MSG_ERROR([--with-cpu-port must specify arm64 or aarch64])
fi
HOTSPOT_TARGET_CPU_PORT="$with_cpu_port"
fi
])
################################################################################
# Check if gtest should be built
#
AC_DEFUN_ONCE([HOTSPOT_ENABLE_DISABLE_GTEST],
[
AC_ARG_ENABLE([hotspot-gtest], [AS_HELP_STRING([--disable-hotspot-gtest],
[Disables building of the Hotspot unit tests @<:@enabled@:>@])])
if test -e "${TOPDIR}/test/hotspot/gtest"; then
GTEST_DIR_EXISTS="true"
else
GTEST_DIR_EXISTS="false"
fi
AC_MSG_CHECKING([if Hotspot gtest unit tests should be built])
if test "x$enable_hotspot_gtest" = "xyes"; then
if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
AC_MSG_RESULT([yes, forced])
BUILD_GTEST="true"
else
AC_MSG_ERROR([Cannot build gtest without the test source])
fi
elif test "x$enable_hotspot_gtest" = "xno"; then
AC_MSG_RESULT([no, forced])
BUILD_GTEST="false"
elif test "x$enable_hotspot_gtest" = "x"; then
if test "x$GTEST_DIR_EXISTS" = "xtrue"; then
AC_MSG_RESULT([yes])
BUILD_GTEST="true"
else
AC_MSG_RESULT([no])
BUILD_GTEST="false"
fi
else
AC_MSG_ERROR([--enable-gtest must be either yes or no])
fi
AC_SUBST(BUILD_GTEST)
])