#

# 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 variant of the JDK that we want to build.

# Currently we have:

#    normal:   standard edition

# but the custom make system may add other variants

#

# Effectively the JDK variant gives a name to a specific set of

# modules to compile into the JDK.

AC_DEFUN_ONCE([JDKOPT_SETUP_JDK_VARIANT],

[

  AC_MSG_CHECKING([which variant of the JDK to build])

  AC_ARG_WITH([jdk-variant], [AS_HELP_STRING([--with-jdk-variant],

      [JDK variant to build (normal) @<:@normal@:>@])])

  if test "x$with_jdk_variant" = xnormal || test "x$with_jdk_variant" = x; then

    JDK_VARIANT="normal"

  else

    AC_MSG_ERROR([The available JDK variants are: normal])

  fi

  AC_SUBST(JDK_VARIANT)

  AC_MSG_RESULT([$JDK_VARIANT])

])

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

# Set the debug level

#    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([JDKOPT_SETUP_DEBUG_LEVEL],

[

  DEBUG_LEVEL="release"

  AC_MSG_CHECKING([which debug level to use])

  AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug],

      [set the debug level to fastdebug (shorthand for --with-debug-level=fastdebug) @<:@disabled@:>@])],

      [

        ENABLE_DEBUG="${enableval}"

        DEBUG_LEVEL="fastdebug"

      ], [ENABLE_DEBUG="no"])

  AC_ARG_WITH([debug-level], [AS_HELP_STRING([--with-debug-level],

      [set the debug level (release, fastdebug, slowdebug, optimized) @<:@release@:>@])],

      [

        DEBUG_LEVEL="${withval}"

        if test "x$ENABLE_DEBUG" = xyes; then

          AC_MSG_ERROR([You cannot use both --enable-debug and --with-debug-level at the same time.])

        fi

      ])

  AC_MSG_RESULT([$DEBUG_LEVEL])

  if test "x$DEBUG_LEVEL" != xrelease && \

      test "x$DEBUG_LEVEL" != xoptimized && \

      test "x$DEBUG_LEVEL" != xfastdebug && \

      test "x$DEBUG_LEVEL" != xslowdebug; then

    AC_MSG_ERROR([Allowed debug levels are: release, fastdebug, slowdebug and optimized])

  fi

  # Translate DEBUG_LEVEL to debug level used by Hotspot

  HOTSPOT_DEBUG_LEVEL="$DEBUG_LEVEL"

  if test "x$DEBUG_LEVEL" = xrelease; then

    HOTSPOT_DEBUG_LEVEL="product"

  elif test "x$DEBUG_LEVEL" = xslowdebug; then

    HOTSPOT_DEBUG_LEVEL="debug"

  fi

  if test "x$DEBUG_LEVEL" = xoptimized; then

    # 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.

    DEBUG_LEVEL="release"

  fi

  AC_SUBST(HOTSPOT_DEBUG_LEVEL)

  AC_SUBST(DEBUG_LEVEL)

])

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

#

# Should we build only OpenJDK even if closed sources are present?

#

AC_DEFUN_ONCE([JDKOPT_SETUP_OPEN_OR_CUSTOM],

[

  AC_ARG_ENABLE([openjdk-only], [AS_HELP_STRING([--enable-openjdk-only],

      [suppress building custom source even if present @<:@disabled@:>@])],,[enable_openjdk_only="no"])

  AC_MSG_CHECKING([if custom source is suppressed (openjdk-only)])

  AC_MSG_RESULT([$enable_openjdk_only])

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

    SUPPRESS_CUSTOM_EXTENSIONS="true"

  elif test "x$enable_openjdk_only" = "xno"; then

    SUPPRESS_CUSTOM_EXTENSIONS="false"

  else

    AC_MSG_ERROR([Invalid value for --enable-openjdk-only: $enable_openjdk_only])

  fi

  # custom-make-dir is deprecated. Please use your custom-hook.m4 to override

  # the IncludeCustomExtension macro.

  BASIC_DEPRECATED_ARG_WITH(custom-make-dir)

])

AC_DEFUN_ONCE([JDKOPT_SETUP_JDK_OPTIONS],

[

  # Should we build a JDK/JVM with headful support (ie a graphical ui)?

  # We always build headless support.

  AC_MSG_CHECKING([headful support])

  AC_ARG_ENABLE([headful], [AS_HELP_STRING([--disable-headful],

      [disable building headful support (graphical UI support) @<:@enabled@:>@])],

      [SUPPORT_HEADFUL=${enable_headful}], [SUPPORT_HEADFUL=yes])

  SUPPORT_HEADLESS=yes

  BUILD_HEADLESS="BUILD_HEADLESS:=true"

  if test "x$SUPPORT_HEADFUL" = xyes; then

    # We are building both headful and headless.

    headful_msg="include support for both headful and headless"

  fi

  if test "x$SUPPORT_HEADFUL" = xno; then

    # Thus we are building headless only.

    BUILD_HEADLESS="BUILD_HEADLESS:=true"

    headful_msg="headless only"

  fi

  AC_MSG_RESULT([$headful_msg])

  AC_SUBST(SUPPORT_HEADLESS)

  AC_SUBST(SUPPORT_HEADFUL)

  AC_SUBST(BUILD_HEADLESS)

  # Choose cacerts source file

  AC_ARG_WITH(cacerts-file, [AS_HELP_STRING([--with-cacerts-file],

      [specify alternative cacerts file])])

  if test "x$with_cacerts_file" != x; then

    CACERTS_FILE=$with_cacerts_file

  fi

  AC_SUBST(CACERTS_FILE)

  # Enable or disable unlimited crypto

  AC_ARG_ENABLE(unlimited-crypto, [AS_HELP_STRING([--enable-unlimited-crypto],

      [Enable unlimited crypto policy @<:@disabled@:>@])],,

      [enable_unlimited_crypto=no])

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

    UNLIMITED_CRYPTO=true

  else

    UNLIMITED_CRYPTO=false

  fi

  AC_SUBST(UNLIMITED_CRYPTO)

  # Should we build the serviceability agent (SA)?

  INCLUDE_SA=true

  if HOTSPOT_CHECK_JVM_VARIANT(zero) || HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then

    INCLUDE_SA=false

  fi

  if test "x$OPENJDK_TARGET_OS" = xaix ; then

    INCLUDE_SA=false

  fi

  AC_SUBST(INCLUDE_SA)

  # Compress jars

  COMPRESS_JARS=false

  AC_SUBST(COMPRESS_JARS)

  # Setup default copyright year. Mostly overridden when building close to a new year.

  AC_ARG_WITH(copyright-year, [AS_HELP_STRING([--with-copyright-year],

      [Set copyright year value for build @<:@current year@:>@])])

  if test "x$with_copyright_year" = xyes; then

    AC_MSG_ERROR([Copyright year must have a value])

  elif test "x$with_copyright_year" != x; then

    COPYRIGHT_YEAR="$with_copyright_year"

  else

    COPYRIGHT_YEAR=`$DATE +'%Y'`

  fi

  AC_SUBST(COPYRIGHT_YEAR)

])

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

#

# Enable or disable the elliptic curve crypto implementation

#

AC_DEFUN_ONCE([JDKOPT_DETECT_INTREE_EC],

[

  AC_MSG_CHECKING([if elliptic curve crypto implementation is present])

  if test -d "${SRC_ROOT}/jdk/src/jdk.crypto.ec/share/native/libsunec/impl"; then

    ENABLE_INTREE_EC=yes

    AC_MSG_RESULT([yes])

  else

    ENABLE_INTREE_EC=no

    AC_MSG_RESULT([no])

  fi

  AC_SUBST(ENABLE_INTREE_EC)

])

AC_DEFUN_ONCE([JDKOPT_SETUP_DEBUG_SYMBOLS],

[

  #

  # NATIVE_DEBUG_SYMBOLS

  # This must be done after the toolchain is setup, since we're looking at objcopy.

  #

  AC_MSG_CHECKING([what type of native debug symbols to use])

  AC_ARG_WITH([native-debug-symbols],

      [AS_HELP_STRING([--with-native-debug-symbols],

      [set the native debug symbol configuration (none, internal, external, zipped) @<:@varying@:>@])],

      [

        if test "x$OPENJDK_TARGET_OS" = xaix; then

          if test "x$withval" = xexternal || test "x$withval" = xzipped; then

            AC_MSG_ERROR([AIX only supports the parameters 'none' and 'internal' for --with-native-debug-symbols])

          fi

        fi

      ],

      [

        if test "x$OPENJDK_TARGET_OS" = xaix; then

          # AIX doesn't support 'zipped' so use 'internal' as default

          with_native_debug_symbols="internal"

        else

          if test "x$STATIC_BUILD" = xtrue; then

            with_native_debug_symbols="none"

          else

            with_native_debug_symbols="zipped"

          fi

        fi

      ])

  NATIVE_DEBUG_SYMBOLS=$with_native_debug_symbols

  AC_MSG_RESULT([$NATIVE_DEBUG_SYMBOLS])

  if test "x$NATIVE_DEBUG_SYMBOLS" = xzipped; then

    if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then

      if test "x$OBJCOPY" = x; then

        # enabling of enable-debug-symbols and can't find objcopy

        # this is an error

        AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols])

      fi

    fi

    COMPILE_WITH_DEBUG_SYMBOLS=true

    COPY_DEBUG_SYMBOLS=true

    ZIP_EXTERNAL_DEBUG_SYMBOLS=true

    # Hotspot legacy support, not relevant with COPY_DEBUG_SYMBOLS=true

    DEBUG_BINARIES=false

    STRIP_POLICY=min_strip

  elif test "x$NATIVE_DEBUG_SYMBOLS" = xnone; then

    COMPILE_WITH_DEBUG_SYMBOLS=false

    COPY_DEBUG_SYMBOLS=false

    ZIP_EXTERNAL_DEBUG_SYMBOLS=false

    DEBUG_BINARIES=false

    STRIP_POLICY=no_strip

  elif test "x$NATIVE_DEBUG_SYMBOLS" = xinternal; then

    COMPILE_WITH_DEBUG_SYMBOLS=true

    COPY_DEBUG_SYMBOLS=false

    ZIP_EXTERNAL_DEBUG_SYMBOLS=false

    # Hotspot legacy support, will turn on -g when COPY_DEBUG_SYMBOLS=false

    DEBUG_BINARIES=true

    STRIP_POLICY=no_strip

    STRIP=""

  elif test "x$NATIVE_DEBUG_SYMBOLS" = xexternal; then

    if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then

      if test "x$OBJCOPY" = x; then

        # enabling of enable-debug-symbols and can't find objcopy

        # this is an error

        AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols])

      fi

    fi

    COMPILE_WITH_DEBUG_SYMBOLS=true

    COPY_DEBUG_SYMBOLS=true

    ZIP_EXTERNAL_DEBUG_SYMBOLS=false

    # Hotspot legacy support, not relevant with COPY_DEBUG_SYMBOLS=true

    DEBUG_BINARIES=false

    STRIP_POLICY=min_strip

  else

    AC_MSG_ERROR([Allowed native debug symbols are: none, internal, external, zipped])

  fi

  # --enable-debug-symbols is deprecated.

  # Please use --with-native-debug-symbols=[internal,external,zipped] .

  BASIC_DEPRECATED_ARG_ENABLE(debug-symbols, debug_symbols,

        [Please use --with-native-debug-symbols=[[internal,external,zipped]] .])

  # --enable-zip-debug-info is deprecated.

  # Please use --with-native-debug-symbols=zipped .

  BASIC_DEPRECATED_ARG_ENABLE(zip-debug-info, zip_debug_info,

                              [Please use --with-native-debug-symbols=zipped .])

  AC_SUBST(COMPILE_WITH_DEBUG_SYMBOLS)

  AC_SUBST(COPY_DEBUG_SYMBOLS)

  AC_SUBST(ZIP_EXTERNAL_DEBUG_SYMBOLS)

  # Legacy values

  AC_SUBST(DEBUG_BINARIES)

  AC_SUBST(STRIP_POLICY)

])

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

#

# Gcov coverage data for hotspot

#

AC_DEFUN_ONCE([JDKOPT_SETUP_CODE_COVERAGE],

[

  AC_ARG_ENABLE(native-coverage, [AS_HELP_STRING([--enable-native-coverage],

      [enable native compilation with code coverage data@<:@disabled@:>@])])

  GCOV_ENABLED="false"

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

    if test "x$TOOLCHAIN_TYPE" = "xgcc"; then

      AC_MSG_CHECKING([if native coverage is enabled])

      AC_MSG_RESULT([yes])

      GCOV_CFLAGS="-fprofile-arcs -ftest-coverage -fno-inline"

      GCOV_LDFLAGS="-fprofile-arcs"

      LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $GCOV_CFLAGS"

      LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $GCOV_CFLAGS"

      LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $GCOV_LDFLAGS"

      CFLAGS_JDKLIB="$CFLAGS_JDKLIB $GCOV_CFLAGS"

      CFLAGS_JDKEXE="$CFLAGS_JDKEXE $GCOV_CFLAGS"

      CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $GCOV_CFLAGS"

      CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $GCOV_CFLAGS"

      LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $GCOV_LDFLAGS"

      LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $GCOV_LDFLAGS"

      GCOV_ENABLED="true"

    else

      AC_MSG_ERROR([--enable-native-coverage only works with toolchain type gcc])

    fi

  elif test "x$enable_native_coverage" = "xno"; then

    AC_MSG_CHECKING([if native coverage is enabled])

    AC_MSG_RESULT([no])

  elif test "x$enable_native_coverage" != "x"; then

    AC_MSG_ERROR([--enable-native-coverage can only be assigned "yes" or "no"])

  fi

  AC_SUBST(GCOV_ENABLED)

])

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

#

# Static build support.  When enabled will generate static

# libraries instead of shared libraries for all JDK libs.

#

AC_DEFUN_ONCE([JDKOPT_SETUP_STATIC_BUILD],

[

  AC_ARG_ENABLE([static-build], [AS_HELP_STRING([--enable-static-build],

    [enable static library build @<:@disabled@:>@])])

  STATIC_BUILD=false

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

    AC_MSG_CHECKING([if static build is enabled])

    AC_MSG_RESULT([yes])

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

      AC_MSG_ERROR([--enable-static-build is only supported for macosx builds])

    fi

    STATIC_BUILD_CFLAGS="-DSTATIC_BUILD=1"

    LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $STATIC_BUILD_CFLAGS"

    LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $STATIC_BUILD_CFLAGS"

    CFLAGS_JDKLIB_EXTRA="$CFLAGS_JDKLIB_EXTRA $STATIC_BUILD_CFLAGS"

    CXXFLAGS_JDKLIB_EXTRA="$CXXFLAGS_JDKLIB_EXTRA $STATIC_BUILD_CFLAGS"

    STATIC_BUILD=true

  elif test "x$enable_static_build" = "xno"; then

    AC_MSG_CHECKING([if static build is enabled])

    AC_MSG_RESULT([no])

  elif test "x$enable_static_build" != "x"; then

    AC_MSG_ERROR([--enable-static-build can only be assigned "yes" or "no"])

  fi

  AC_SUBST(STATIC_BUILD)

])

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

#

# jlink options.

# We always keep packaged modules in JDK image.

#

AC_DEFUN_ONCE([JDKOPT_SETUP_JLINK_OPTIONS],

[

  AC_ARG_ENABLE([keep-packaged-modules], [AS_HELP_STRING([--disable-keep-packaged-modules],

    [Do not keep packaged modules in jdk image @<:@enable@:>@])])

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

    AC_MSG_CHECKING([if packaged modules are kept])

    AC_MSG_RESULT([yes])

    JLINK_KEEP_PACKAGED_MODULES=true

  elif test "x$enable_keep_packaged_modules" = "xno"; then

    AC_MSG_CHECKING([if packaged modules are kept])

    AC_MSG_RESULT([no])

    JLINK_KEEP_PACKAGED_MODULES=false

  elif test "x$enable_keep_packaged_modules" = "x"; then

    AC_MSG_RESULT([yes (default)])

    JLINK_KEEP_PACKAGED_MODULES=true

  else

    AC_MSG_ERROR([--enable-keep-packaged-modules accepts no argument])

  fi

  AC_SUBST(JLINK_KEEP_PACKAGED_MODULES)

])

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

#

# Check if building of the jtreg failure handler should be enabled.

#

AC_DEFUN_ONCE([JDKOPT_ENABLE_DISABLE_FAILURE_HANDLER],

[

  AC_ARG_ENABLE([jtreg-failure-handler], [AS_HELP_STRING([--enable-jtreg-failure-handler],

    [forces build of the jtreg failure handler to be enabled, missing dependencies

     become fatal errors. Default is auto, where the failure handler is built if all

     dependencies are present and otherwise just disabled.])])

  AC_MSG_CHECKING([if jtreg failure handler should be built])

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

    if test "x$JT_HOME" = "x"; then

      AC_MSG_ERROR([Cannot enable jtreg failure handler without jtreg.])

    else

      BUILD_FAILURE_HANDLER=true

      AC_MSG_RESULT([yes, forced])

    fi

  elif test "x$enable_jtreg_failure_handler" = "xno"; then

    BUILD_FAILURE_HANDLER=false

    AC_MSG_RESULT([no, forced])

  elif test "x$enable_jtreg_failure_handler" = "xauto" \

      || test "x$enable_jtreg_failure_handler" = "x"; then

    if test "x$JT_HOME" = "x"; then

      BUILD_FAILURE_HANDLER=false

      AC_MSG_RESULT([no, missing jtreg])

    else

      BUILD_FAILURE_HANDLER=true

      AC_MSG_RESULT([yes, jtreg present])

    fi

  else

    AC_MSG_ERROR([Invalid value for --enable-jtreg-failure-handler: $enable_jtreg_failure_handler])

  fi

  AC_SUBST(BUILD_FAILURE_HANDLER)

])

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

#

# Enable or disable generation of the classlist at build time

#

AC_DEFUN_ONCE([JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST],

[

  AC_ARG_ENABLE([generate-classlist], [AS_HELP_STRING([--disable-generate-classlist],

      [forces enabling or disabling of the generation of a CDS classlist at build time.

      Default is to generate it when either the server or client JVMs are built.])])

  # Check if it's likely that it's possible to generate the classlist. Depending

  # on exact jvm configuration it could be possible anyway.

  if HOTSPOT_CHECK_JVM_VARIANT(server) || HOTSPOT_CHECK_JVM_VARIANT(client); then

    ENABLE_GENERATE_CLASSLIST_POSSIBLE="true"

  else

    ENABLE_GENERATE_CLASSLIST_POSSIBLE="false"

  fi