#

# Copyright (c) 2011, 2015, 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 (HotSpot build only)) @<:@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 and slowdebug])

  fi

])

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

#

# 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([for presence of closed sources])

  if test -d "$SRC_ROOT/jdk/src/closed"; then

    CLOSED_SOURCE_PRESENT=yes

  else

    CLOSED_SOURCE_PRESENT=no

  fi

  AC_MSG_RESULT([$CLOSED_SOURCE_PRESENT])

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

  SUPPRESS_CLOSED_SOURCE="$enable_openjdk_only"

  AC_MSG_RESULT([$SUPPRESS_CLOSED_SOURCE])

  if test "x$CLOSED_SOURCE_PRESENT" = xno; then

    OPENJDK=true

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

      AC_MSG_WARN([No closed source present, --enable-openjdk-only makes no sense])

    fi

  else

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

      OPENJDK=true

    else

      OPENJDK=false

    fi

  fi

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

    SET_OPENJDK="OPENJDK=true"

  fi

  AC_SUBST(SET_OPENJDK)

  # 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)

  # 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) @<:@zipped@:>@])],

      [

        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

          with_native_debug_symbols="zipped"

        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

    ENABLE_DEBUG_SYMBOLS=true

    ZIP_DEBUGINFO_FILES=true

    # -g is already added by ENABLE_DEBUG_SYMBOLS and the hotspot makefiles

    # will basically do slowdebug builds when DEBUG_BINARIES is set for

    # fastdebug builds

    DEBUG_BINARIES=false

    STRIP_POLICY=min_strip

  elif test "x$NATIVE_DEBUG_SYMBOLS" = xnone; then

    ENABLE_DEBUG_SYMBOLS=false

    ZIP_DEBUGINFO_FILES=false

    DEBUG_BINARIES=false

    STRIP_POLICY=no_strip

  elif test "x$NATIVE_DEBUG_SYMBOLS" = xinternal; then

    ENABLE_DEBUG_SYMBOLS=false  # -g option only

    ZIP_DEBUGINFO_FILES=false

    # Fastdebug builds with this setting will essentially be slowdebug

    # in hotspot.

    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

    ENABLE_DEBUG_SYMBOLS=true

    ZIP_DEBUGINFO_FILES=false

    # -g is already added by ENABLE_DEBUG_SYMBOLS and the hotspot makefiles

    # will basically do slowdebug builds when DEBUG_BINARIES is set for

    # fastdebug builds

    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(NATIVE_DEBUG_SYMBOLS)

  AC_SUBST(DEBUG_BINARIES)

  AC_SUBST(STRIP_POLICY)

  AC_SUBST(ENABLE_DEBUG_SYMBOLS)

  AC_SUBST(ZIP_DEBUGINFO_FILES)

])

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

#

# 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)

])