#

# Copyright (c) 2011, 2019, 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],

[

  # Deprecated in JDK 12

  BASIC_DEPRECATED_ARG_WITH([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

])

AC_DEFUN_ONCE([JDKOPT_SETUP_JDK_OPTIONS],

[

  # Should we build a JDK without a graphical UI?

  AC_MSG_CHECKING([headless only])

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

      [only build headless (no GUI) support @<:@disabled@:>@])])

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

    ENABLE_HEADLESS_ONLY="true"

    AC_MSG_RESULT([yes])

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

    ENABLE_HEADLESS_ONLY="false"

    AC_MSG_RESULT([no])

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

    ENABLE_HEADLESS_ONLY="false"

    AC_MSG_RESULT([no])

  else

    AC_MSG_ERROR([--enable-headless-only can only take yes or no])

  fi

  AC_SUBST(ENABLE_HEADLESS_ONLY)

  # Should we build the complete docs, or just a lightweight version?

  AC_ARG_ENABLE([full-docs], [AS_HELP_STRING([--enable-full-docs],

      [build complete documentation @<:@enabled if all tools found@:>@])])

  # Verify dependencies

  AC_MSG_CHECKING([for graphviz dot])

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

    AC_MSG_RESULT([yes])

  else

    AC_MSG_RESULT([no, cannot generate full docs])

    FULL_DOCS_DEP_MISSING=true

  fi

  AC_MSG_CHECKING([for pandoc])

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

    AC_MSG_RESULT([yes])

  else

    AC_MSG_RESULT([no, cannot generate full docs])

    FULL_DOCS_DEP_MISSING=true

  fi

  AC_MSG_CHECKING([full docs])

  if test "x$enable_full_docs" = xyes; then

    if test "x$FULL_DOCS_DEP_MISSING" = "xtrue"; then

      AC_MSG_RESULT([no, missing dependencies])

      HELP_MSG_MISSING_DEPENDENCY([dot])

      AC_MSG_ERROR([Cannot enable full docs with missing dependencies. See above. $HELP_MSG])

    else

      ENABLE_FULL_DOCS=true

      AC_MSG_RESULT([yes, forced])

    fi

  elif test "x$enable_full_docs" = xno; then

    ENABLE_FULL_DOCS=false

    AC_MSG_RESULT([no, forced])

  elif test "x$enable_full_docs" = x; then

    # Check for prerequisites

    if test "x$FULL_DOCS_DEP_MISSING" = xtrue; then

      ENABLE_FULL_DOCS=false

      AC_MSG_RESULT([no, missing dependencies])

    else

      ENABLE_FULL_DOCS=true

      AC_MSG_RESULT([yes, dependencies present])

    fi

  else

    AC_MSG_ERROR([--enable-full-docs can only take yes or no])

  fi

  AC_SUBST(ENABLE_FULL_DOCS)

  # Choose cacerts source file

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

      [specify alternative cacerts file])])

  AC_MSG_CHECKING([for cacerts file])

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

    AC_MSG_RESULT([default])

  else

    CACERTS_FILE=$with_cacerts_file

    if test ! -f "$CACERTS_FILE"; then

      AC_MSG_RESULT([fail])

      AC_MSG_ERROR([Specified cacerts file "$CACERTS_FILE" does not exist])

    fi

    AC_MSG_RESULT([$CACERTS_FILE])

  fi

  AC_SUBST(CACERTS_FILE)

  # Enable or disable unlimited crypto

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

      [Disable unlimited crypto policy @<:@enabled@:>@])],,

      [enable_unlimited_crypto=yes])

  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); then

    INCLUDE_SA=false

  fi

  if test "x$OPENJDK_TARGET_OS" = xaix ; then

    INCLUDE_SA=false

  fi

  if test "x$OPENJDK_TARGET_CPU" = xs390x ; 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)

  # Override default library path

  AC_ARG_WITH([jni-libpath], [AS_HELP_STRING([--with-jni-libpath],

      [override default JNI library search path])])

  AC_MSG_CHECKING([for jni library path])

  if test "x${with_jni_libpath}" = "x" || test "x${with_jni_libpath}" = "xno"; then

    AC_MSG_RESULT([default])

  elif test "x${with_jni_libpath}" = "xyes"; then

    AC_MSG_RESULT([invalid])

    AC_MSG_ERROR([The --with-jni-libpath option requires an argument.])

  else

    HOTSPOT_OVERRIDE_LIBPATH=${with_jni_libpath}

    if test "x$OPENJDK_TARGET_OS" != "xlinux" &&

         test "x$OPENJDK_TARGET_OS" != "xbsd" &&

         test "x$OPENJDK_TARGET_OS" != "xaix"; then

      AC_MSG_RESULT([fail])

      AC_MSG_ERROR([Overriding JNI library path is supported only on Linux, BSD and AIX.])

    fi

    AC_MSG_RESULT(${HOTSPOT_OVERRIDE_LIBPATH})

  fi

  AC_SUBST(HOTSPOT_OVERRIDE_LIBPATH)

])

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

#

# 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 "${TOPDIR}/src/jdk.crypto.ec/share/native/libsunec/impl"; then

    ENABLE_INTREE_EC=true

    AC_MSG_RESULT([yes])

  else

    ENABLE_INTREE_EC=false

    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 'external' 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="external"

          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

  elif test "x$NATIVE_DEBUG_SYMBOLS" = xnone; then

    COMPILE_WITH_DEBUG_SYMBOLS=false

    COPY_DEBUG_SYMBOLS=false

    ZIP_EXTERNAL_DEBUG_SYMBOLS=false

  elif test "x$NATIVE_DEBUG_SYMBOLS" = xinternal; then

    COMPILE_WITH_DEBUG_SYMBOLS=true

    COPY_DEBUG_SYMBOLS=false

    ZIP_EXTERNAL_DEBUG_SYMBOLS=false

  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

  else

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

  fi

  AC_SUBST(COMPILE_WITH_DEBUG_SYMBOLS)

  AC_SUBST(COPY_DEBUG_SYMBOLS)

  AC_SUBST(ZIP_EXTERNAL_DEBUG_SYMBOLS)

])

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

#

# Native and Java code coverage

#

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

    case $TOOLCHAIN_TYPE in

      gcc | clang)

        AC_MSG_CHECKING([if native coverage is enabled])

        AC_MSG_RESULT([yes])

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

        GCOV_LDFLAGS="-fprofile-arcs"

        JVM_CFLAGS="$JVM_CFLAGS $GCOV_CFLAGS"

        JVM_LDFLAGS="$JVM_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"

        ;;

      *)

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

        ;;

    esac

  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)

  AC_ARG_WITH(jcov, [AS_HELP_STRING([--with-jcov],

      [jcov library location])])

  AC_ARG_WITH(jcov-input-jdk, [AS_HELP_STRING([--with-jcov-input-jdk],

      [jdk image to instrument])])

  AC_ARG_WITH(jcov-filters, [AS_HELP_STRING([--with-jcov-filters],

      [filters to limit code for jcov instrumentation and report generation])])

  JCOV_HOME=

  JCOV_INPUT_JDK=

  JCOV_ENABLED=

  JCOV_FILTERS=

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

    JCOV_ENABLED="false"

  else

    JCOV_HOME="$with_jcov"

    if test ! -f "$JCOV_HOME/lib/jcov.jar"; then

      AC_MSG_RESULT([fail])

      AC_MSG_ERROR([Invalid JCov bundle: "$JCOV_HOME/lib/jcov.jar" does not exist])

    fi

    JCOV_ENABLED="true"

    BASIC_FIXUP_PATH(JCOV_HOME)

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

      JCOV_INPUT_JDK="$with_jcov_input_jdk"

      if test ! -f "$JCOV_INPUT_JDK/bin/java$EXE_SUFFIX"; then

        AC_MSG_RESULT([fail])

        AC_MSG_ERROR([Invalid JDK bundle: "$JCOV_INPUT_JDK/bin/java$EXE_SUFFIX" does not exist])

      fi

      BASIC_FIXUP_PATH(JCOV_INPUT_JDK)

    fi

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

      JCOV_FILTERS="$with_jcov_filters"

    fi

  fi

  AC_SUBST(JCOV_ENABLED)

  AC_SUBST(JCOV_HOME)

  AC_SUBST(JCOV_INPUT_JDK)

  AC_SUBST(JCOV_FILTERS)

])

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

#

# AddressSanitizer

#

AC_DEFUN_ONCE([JDKOPT_SETUP_ADDRESS_SANITIZER],

[

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

      [enable AddressSanitizer if possible @<:@disabled@:>@])])

  ASAN_ENABLED="no"

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

    case $TOOLCHAIN_TYPE in

      gcc | clang)

        AC_MSG_CHECKING([if asan is enabled])

        AC_MSG_RESULT([yes])

        ASAN_CFLAGS="-fsanitize=address -fno-omit-frame-pointer"

        ASAN_LDFLAGS="-fsanitize=address"

        JVM_CFLAGS="$JVM_CFLAGS $ASAN_CFLAGS"

        JVM_LDFLAGS="$JVM_LDFLAGS $ASAN_LDFLAGS"

        CFLAGS_JDKLIB="$CFLAGS_JDKLIB $ASAN_CFLAGS"

        CFLAGS_JDKEXE="$CFLAGS_JDKEXE $ASAN_CFLAGS"

        CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $ASAN_CFLAGS"

        CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $ASAN_CFLAGS"

        LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $ASAN_LDFLAGS"

        LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $ASAN_LDFLAGS"

        ASAN_ENABLED="yes"

        ;;

      *)

        AC_MSG_ERROR([--enable-asan only works with toolchain type gcc or clang])

        ;;

    esac

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

    AC_MSG_CHECKING([if asan is enabled])

    AC_MSG_RESULT([no])

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

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

  fi

  AC_SUBST(ASAN_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