#

# Copyright (c) 2011, 2016, 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.

#

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

# Check which interpreter of the JVM we want to build.

# Currently we have:

#    template: Template interpreter (the default)

#    cpp     : C++ interpreter

AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_INTERPRETER],

[

  AC_ARG_WITH([jvm-interpreter], [AS_HELP_STRING([--with-jvm-interpreter],

    [JVM interpreter to build (template, cpp) @<:@template@:>@])])

  AC_MSG_CHECKING([which interpreter of the JVM to build])

  if test "x$with_jvm_interpreter" = x; then

    JVM_INTERPRETER="template"

  else

    JVM_INTERPRETER="$with_jvm_interpreter"

  fi

  AC_MSG_RESULT([$JVM_INTERPRETER])

  if test "x$JVM_INTERPRETER" != xtemplate && test "x$JVM_INTERPRETER" != xcpp; then

    AC_MSG_ERROR([The available JVM interpreters are: template, cpp])

  fi

  AC_SUBST(JVM_INTERPRETER)

])

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

# Check which variants of the JVM that we want to build.

# Currently we have:

#    server: normal interpreter and a C2 or tiered C1/C2 compiler

#    client: normal interpreter and C1 (no C2 compiler) (only 32-bit platforms)

#    minimal1: reduced form of client with optional VM services and features stripped out

#    zero: no machine code interpreter, no compiler

#    zeroshark: zero interpreter and shark/llvm compiler backend

#    core: interpreter only, no compiler (only works on some platforms)

AC_DEFUN_ONCE([HOTSPOT_SETUP_JVM_VARIANTS],

[

  AC_MSG_CHECKING([which variants of the JVM to build])

  AC_ARG_WITH([jvm-variants], [AS_HELP_STRING([--with-jvm-variants],

      [JVM variants (separated by commas) to build (server, client, minimal1, zero, zeroshark, core) @<:@server@:>@])])

  if test "x$with_jvm_variants" = x; then

    with_jvm_variants="server"

  fi

  JVM_VARIANTS=",$with_jvm_variants,"

  TEST_VARIANTS=`$ECHO "$JVM_VARIANTS" | $SED -e 's/server,//' -e 's/client,//'  -e 's/minimal1,//' -e 's/zero,//' -e 's/zeroshark,//' -e 's/core,//'`

  if test "x$TEST_VARIANTS" != "x,"; then

    AC_MSG_ERROR([The available JVM variants are: server, client, minimal1, zero, zeroshark, core])

  fi

  AC_MSG_RESULT([$with_jvm_variants])

  JVM_VARIANT_SERVER=`$ECHO "$JVM_VARIANTS" | $SED -e '/,server,/!s/.*/false/g' -e '/,server,/s/.*/true/g'`

  JVM_VARIANT_CLIENT=`$ECHO "$JVM_VARIANTS" | $SED -e '/,client,/!s/.*/false/g' -e '/,client,/s/.*/true/g'`

  JVM_VARIANT_MINIMAL1=`$ECHO "$JVM_VARIANTS" | $SED -e '/,minimal1,/!s/.*/false/g' -e '/,minimal1,/s/.*/true/g'`

  JVM_VARIANT_ZERO=`$ECHO "$JVM_VARIANTS" | $SED -e '/,zero,/!s/.*/false/g' -e '/,zero,/s/.*/true/g'`

  JVM_VARIANT_ZEROSHARK=`$ECHO "$JVM_VARIANTS" | $SED -e '/,zeroshark,/!s/.*/false/g' -e '/,zeroshark,/s/.*/true/g'`

  JVM_VARIANT_CORE=`$ECHO "$JVM_VARIANTS" | $SED -e '/,core,/!s/.*/false/g' -e '/,core,/s/.*/true/g'`

  if test "x$JVM_VARIANT_CLIENT" = xtrue; then

    if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then

      AC_MSG_ERROR([You cannot build a client JVM for a 64-bit machine.])

    fi

  fi

  if test "x$JVM_VARIANT_MINIMAL1" = xtrue; then

    if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then

      AC_MSG_ERROR([You cannot build a minimal JVM for a 64-bit machine.])

    fi

  fi

  # Replace the commas with AND for use in the build directory name.

  ANDED_JVM_VARIANTS=`$ECHO "$JVM_VARIANTS" | $SED -e 's/^,//' -e 's/,$//' -e 's/,/AND/g'`

  COUNT_VARIANTS=`$ECHO "$JVM_VARIANTS" | $SED -e 's/server,/1/' -e 's/client,/1/' -e 's/minimal1,/1/' -e 's/zero,/1/' -e 's/zeroshark,/1/' -e 's/core,/1/'`

  if test "x$COUNT_VARIANTS" != "x,1"; then

    BUILDING_MULTIPLE_JVM_VARIANTS=yes

  else

    BUILDING_MULTIPLE_JVM_VARIANTS=no

  fi

  if test "x$JVM_VARIANT_ZERO" = xtrue && test "x$BUILDING_MULTIPLE_JVM_VARIANTS" = xyes; then

    AC_MSG_ERROR([You cannot build multiple variants with zero.])

  fi

  AC_SUBST(JVM_VARIANTS)

  AC_SUBST(JVM_VARIANT_SERVER)

  AC_SUBST(JVM_VARIANT_CLIENT)

  AC_SUBST(JVM_VARIANT_MINIMAL1)

  AC_SUBST(JVM_VARIANT_ZERO)

  AC_SUBST(JVM_VARIANT_ZEROSHARK)

  AC_SUBST(JVM_VARIANT_CORE)

  if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then

    MACOSX_UNIVERSAL="true"

  fi

  AC_SUBST(MACOSX_UNIVERSAL)

])

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

# Setup legacy vars/targets and new vars to deal with different debug levels.

#

#    release: no debug information, all optimizations, no asserts.

#    optimized: no debug information, all optimizations, no asserts, HotSpot target is 'optimized'.

#    fastdebug: debug information (-g), all optimizations, all asserts

#    slowdebug: debug information (-g), no optimizations, all asserts

#

AC_DEFUN_ONCE([HOTSPOT_SETUP_DEBUG_LEVEL],

[

  case $DEBUG_LEVEL in

    release )

      VARIANT="OPT"

      FASTDEBUG="false"

      DEBUG_CLASSFILES="false"

      BUILD_VARIANT_RELEASE=""

      HOTSPOT_DEBUG_LEVEL="product"

      HOTSPOT_EXPORT="product"

      ;;

    fastdebug )

      VARIANT="DBG"

      FASTDEBUG="true"

      DEBUG_CLASSFILES="true"

      BUILD_VARIANT_RELEASE="-fastdebug"

      HOTSPOT_DEBUG_LEVEL="fastdebug"

      HOTSPOT_EXPORT="fastdebug"

      ;;

    slowdebug )

      VARIANT="DBG"

      FASTDEBUG="false"

      DEBUG_CLASSFILES="true"

      BUILD_VARIANT_RELEASE="-debug"

      HOTSPOT_DEBUG_LEVEL="debug"

      HOTSPOT_EXPORT="debug"

      ;;

    optimized )

      VARIANT="OPT"

      FASTDEBUG="false"

      DEBUG_CLASSFILES="false"

      BUILD_VARIANT_RELEASE="-optimized"

      HOTSPOT_DEBUG_LEVEL="optimized"

      HOTSPOT_EXPORT="optimized"

      ;;

  esac

  # The debug level 'optimized' is a little special because it is currently only

  # applicable to the HotSpot build where it means to build a completely

  # optimized version of the VM without any debugging code (like for the

  # 'release' debug level which is called 'product' in the HotSpot build) but

  # with the exception that it can contain additional code which is otherwise

  # protected by '#ifndef PRODUCT' macros. These 'optimized' builds are used to

  # test new and/or experimental features which are not intended for customer

  # shipment. Because these new features need to be tested and benchmarked in

  # real world scenarios, we want to build the containing JDK at the 'release'

  # debug level.

  if test "x$DEBUG_LEVEL" = xoptimized; then

    DEBUG_LEVEL="release"

  fi

  #####

  # Generate the legacy makefile targets for hotspot.

  # The hotspot api for selecting the build artifacts, really, needs to be improved.

  # JDK-7195896 will fix this on the hotspot side by using the JVM_VARIANT_* variables to

  # determine what needs to be built. All we will need to set here is all_product, all_fastdebug etc

  # But until then ...

  HOTSPOT_TARGET=""

  if test "x$JVM_VARIANT_SERVER" = xtrue; then

    HOTSPOT_TARGET="$HOTSPOT_TARGET${HOTSPOT_DEBUG_LEVEL} "

  fi

  if test "x$JVM_VARIANT_CLIENT" = xtrue; then

    HOTSPOT_TARGET="$HOTSPOT_TARGET${HOTSPOT_DEBUG_LEVEL}1 "

  fi

  if test "x$JVM_VARIANT_MINIMAL1" = xtrue; then

    HOTSPOT_TARGET="$HOTSPOT_TARGET${HOTSPOT_DEBUG_LEVEL}minimal1 "

  fi

  if test "x$JVM_VARIANT_ZERO" = xtrue; then

    HOTSPOT_TARGET="$HOTSPOT_TARGET${HOTSPOT_DEBUG_LEVEL}zero "

  fi

  if test "x$JVM_VARIANT_ZEROSHARK" = xtrue; then

    HOTSPOT_TARGET="$HOTSPOT_TARGET${HOTSPOT_DEBUG_LEVEL}shark "

  fi

  if test "x$JVM_VARIANT_CORE" = xtrue; then

    HOTSPOT_TARGET="$HOTSPOT_TARGET${HOTSPOT_DEBUG_LEVEL}core "

  fi

  HOTSPOT_TARGET="$HOTSPOT_TARGET docs export_$HOTSPOT_EXPORT"

  # On Macosx universal binaries are produced, but they only contain

  # 64 bit intel. This invalidates control of which jvms are built

  # from configure, but only server is valid anyway. Fix this

  # when hotspot makefiles are rewritten.

  if test "x$MACOSX_UNIVERSAL" = xtrue; then

    HOTSPOT_TARGET=universal_${HOTSPOT_EXPORT}

  fi

  #####

  AC_SUBST(DEBUG_LEVEL)

  AC_SUBST(VARIANT)

  AC_SUBST(FASTDEBUG)

  AC_SUBST(DEBUG_CLASSFILES)

  AC_SUBST(BUILD_VARIANT_RELEASE)

])

AC_DEFUN_ONCE([HOTSPOT_SETUP_HOTSPOT_OPTIONS],

[

  # Control wether Hotspot runs Queens test after build.

  AC_ARG_ENABLE([hotspot-test-in-build], [AS_HELP_STRING([--enable-hotspot-test-in-build],

      [run the Queens test after Hotspot build @<:@disabled@:>@])],,

      [enable_hotspot_test_in_build=no])

  if test "x$enable_hotspot_test_in_build" = "xyes"; then

    TEST_IN_BUILD=true

  else

    TEST_IN_BUILD=false

  fi

  AC_SUBST(TEST_IN_BUILD)

])

AC_DEFUN_ONCE([HOTSPOT_SETUP_BUILD_TWEAKS],

[

  HOTSPOT_MAKE_ARGS="$HOTSPOT_TARGET"

  AC_SUBST(HOTSPOT_MAKE_ARGS)

])