#

# Copyright (c) 2011, 2012, 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.

#

AC_PREREQ([2.61])

AC_INIT(openjdk, version-0.1, build-infra-dev@openjdk.java.net)

AC_CONFIG_AUX_DIR([build-aux])

m4_include([build-aux/pkg.m4])

m4_include([builddeps.m4])

m4_include([platform.m4])

m4_include([cores.m4])

m4_include([help.m4])

# Save the command line. Do this very early, before it is lost by calling autoconf macros.

CONFIGURE_COMMAND_LINE="$@"

AC_SUBST(CONFIGURE_COMMAND_LINE)

# Locate the directory of this script.

SCRIPT="[$]0"

REMOVE_SYMBOLIC_LINKS(SCRIPT)        

AUTOCONF_DIR=`dirname [$]0`

# Start with tools that do not need have cross compilation support

# and can be expected to be found in the default PATH. These tools are

# used by configure. Nor are these tools expected to be found in the

# devkit from the builddeps server either, since they are

# needed to download the devkit. 

AC_PROG_AWK

CHECK_NONEMPTY(AWK)

AC_PATH_PROG(CAT, cat)

CHECK_NONEMPTY(CAT)

AC_PATH_PROG(CHMOD, chmod)

CHECK_NONEMPTY(CHMOD)

AC_PATH_PROG(CP, cp)

CHECK_NONEMPTY(CP)

AC_PATH_PROG(CPIO, cpio)

CHECK_NONEMPTY(CPIO)

AC_PATH_PROG(CUT, cut)

CHECK_NONEMPTY(CUT)

AC_PATH_PROG(DATE, date)

CHECK_NONEMPTY(DATE)

AC_PATH_PROG(DF, df)

CHECK_NONEMPTY(DF)

AC_PATH_PROG(DIFF, diff)

CHECK_NONEMPTY(DIFF)

# Warning echo is really, really unportable!!!!! Different

# behaviour in bash and dash and in a lot of other shells!

# Use printf for serious work! 

AC_PATH_PROG(ECHO, echo)

CHECK_NONEMPTY(ECHO)

AC_PROG_EGREP

CHECK_NONEMPTY(EGREP)

AC_PROG_FGREP

CHECK_NONEMPTY(FGREP)

AC_PATH_PROG(FIND, find)

CHECK_NONEMPTY(FIND)

CHECK_FIND_DELETE

AC_SUBST(FIND_DELETE)

AC_PROG_GREP

CHECK_NONEMPTY(GREP)

AC_PATH_PROG(HEAD, head)

CHECK_NONEMPTY(HEAD)

AC_PATH_PROG(LN, ln)

CHECK_NONEMPTY(LN)

AC_PATH_PROG(LS, ls)

CHECK_NONEMPTY(LS)

AC_PATH_PROGS(MAKE, [gmake make])

CHECK_NONEMPTY(MAKE)

MAKE_VERSION=`$MAKE --version | head -n 1 | grep '3.8[[12346789]]'`

if test "x$MAKE_VERSION" = x; then

    AC_ERROR([You must use GNU make 3.81 or newer! Please put it in the path.])

fi

AC_PATH_PROG(MKDIR, mkdir)

CHECK_NONEMPTY(MKDIR)

AC_PATH_PROG(MV, mv)

CHECK_NONEMPTY(MV)

AC_PATH_PROGS(NAWK, [nawk gawk awk])

CHECK_NONEMPTY(NAWK)

AC_PATH_PROG(PRINTF, printf)

CHECK_NONEMPTY(PRINTF)

AC_PATH_PROG(THEPWDCMD, pwd)

AC_PATH_PROG(RM, rm)

CHECK_NONEMPTY(RM)

RM="$RM -f"

AC_PROG_SED

CHECK_NONEMPTY(SED)

AC_PATH_PROG(SH, sh)

CHECK_NONEMPTY(SH)

AC_PATH_PROG(SORT, sort)

CHECK_NONEMPTY(SORT)

AC_PATH_PROG(TAR, tar)

CHECK_NONEMPTY(TAR)

AC_PATH_PROG(TAIL, tail)

CHECK_NONEMPTY(TAIL)

AC_PATH_PROG(TEE, tee)

CHECK_NONEMPTY(TEE)

AC_PATH_PROG(TR, tr)

CHECK_NONEMPTY(TR)

AC_PATH_PROG(TOUCH, touch)

CHECK_NONEMPTY(TOUCH)

AC_PATH_PROG(WC, wc)

CHECK_NONEMPTY(WC)

AC_PATH_PROG(XARGS, xargs)

CHECK_NONEMPTY(XARGS)

AC_PATH_PROG(ZIP, zip)

CHECK_NONEMPTY(ZIP)

AC_PATH_PROG(UNZIP, unzip)

CHECK_NONEMPTY(UNZIP)

AC_PATH_PROG(LDD, ldd)

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

    # List shared lib dependencies is used for

    # debug output and checking for forbidden dependencies.

    # We can build without it.

    LDD="true"

fi

AC_PATH_PROG(OTOOL, otool)

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

   OTOOL="true"

fi

AC_PATH_PROG(READELF, readelf)

AC_PATH_PROG(EXPR, expr)

CHECK_NONEMPTY(EXPR)

AC_PATH_PROG(FILE, file)

CHECK_NONEMPTY(FILE)

# Figure out the build and host system.

AC_CANONICAL_BUILD

AC_CANONICAL_HOST

AC_ARG_WITH(data-model, [AS_HELP_STRING([--with-data-model],

   [build 32-bit or 64-bit binaries (for platforms that support it), e.g. --with-data-model=32 @<:@guessed@:>@])])

if test "x$with_data_model" != x && \

   test "x$with_data_model" != x32 && \

   test "x$with_data_model" != x64 ; then

    AC_ERROR([The data model can only be 32 or 64!])

fi

# Translate the standard cpu-vendor-kernel-os quadruplets into

# the new HOST_.... and BUILD_... and the legacy names used by

# the openjdk build.

# It uses $host_os $host_cpu $build_os $build_cpu and $with_data_model

EXTRACT_HOST_AND_BUILD_AND_LEGACY_VARS

# Now the following vars are defined.

# HOST_OS=aix,bsd,hpux,linux,macosx,solaris,windows

# HOST_OS_FAMILY=bsd,gnu,sysv,win32,wince

# HOST_OS_API=posix,winapi

#

# HOST_CPU=ia32,x64,sparc,sparcv9,arm,arm64,ppc,ppc64

# HOST_CPU_ARCH=x86,sparc,pcc,arm

# HOST_CPU_BITS=32,64

# HOST_CPU_ENDIAN=big,little

#

# There is also a:

# LEGACY_HOST_CPU1=i586,amd64,....  # used to set the old var ARCH

# LEGACY_HOST_CPU2=i386,amd64,.... # used to set the old var LIBARCH

# LEGACY_HOST_CPU3=only sparcv9,amd64 # used to set the ISA_DIR on Solaris

# There was also a BUILDARCH that had i486,amd64,... but we do not use that

# in the new build.

# LEGACY_HOST_OS_API=solaris,windows # used to select source roots

DATE_WHEN_CONFIGURED=`LANG=C date`

AC_SUBST(DATE_WHEN_CONFIGURED)

# How many cores do we have on this build system?

AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],

    [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])

if test "x$with_num_cores" = x; then

    # The number of cores were not specified, try to probe them.

    CHECK_CORES

else

    NUM_CORES=$with_num_cores

    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`

fi

AC_SUBST(NUM_CORES)

AC_SUBST(CONCURRENT_BUILD_JOBS)

# How many cores do we have on this build system?

AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],

    [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])

if test "x$with_memory_size" = x; then

    # The memory size was not specified, try to probe it.

    CHECK_MEMORY_SIZE

else

    MEMORY_SIZE=$with_memory_size

fi

AC_SUBST(MEMORY_SIZE)

# Where is the source? It is located two levels above the configure script.

CURDIR="$PWD"

cd "$AUTOCONF_DIR/../.."

SRC_ROOT="`pwd`"

AC_SUBST(SRC_ROOT)

cd "$CURDIR"

# For cygwin we need cygpath first, since it is used everywhere.

AC_PATH_PROG(CYGPATH, cygpath)

PATH_SEP=":"

if test "x$BUILD_OS" = "xwindows"; then

    if test "x$CYGPATH" = x; then

        AC_ERROR([Something is wrong with your cygwin installation since I cannot find cygpath.exe in your path])

    fi

    PATH_SEP=";"

fi

AC_SUBST(PATH_SEP)

SPACESAFE(SRC_ROOT,[the path to the source root])

SPACESAFE(CURDIR,[the path to the current directory])

if test "x$BUILD_OS" = "xsolaris"; then

    # Also search in /usr/ccs/bin for utilities like ar and as.

    PATH="/usr/ccs/bin:$PATH"

fi

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

#

# OpenJDK or closed

#

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

    [build OpenJDK regardless of the presence of closed repositories @<:@disabled@:>@])],,)

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

    OPENJDK=true

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

    OPENJDK=false

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

    OPENJDK=false

else

    OPENJDK=true

fi

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

    SET_OPENJDK=OPENJDK=true

fi

AC_SUBST(SET_OPENJDK)

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

#

# JIGSAW or not.  The JIGSAW variable is used during the intermediate

# stage when we are building both the old style JDK and the new style modularized JDK.

# When the modularized JDK is finalized, this option will go away.

#

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

    [build Jigsaw images (not yet available) @<:@disabled@:>@])],,)

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

    JIGSAW=true

else

    JIGSAW=false

fi

AC_SUBST(JIGSAW)

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

#

# Check which variant of the JDK that we want to build.

# Currently we have:

#    normal:   standard edition   

#    embedded: cut down to a smaller footprint

#

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

# modules to compile into the JDK. In the future, these modules

# might even be Jigsaw modules.

#

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, embedded) @<:@normal@:>@])])

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

    JAVASE_EMBEDDED=""

    MINIMIZE_RAM_USAGE=""

    JDK_VARIANT="normal"

elif test "x$with_jdk_variant" = xembedded; then

    JAVASE_EMBEDDED="JAVASE_EMBEDDED:=true"

    MINIMIZE_RAM_USAGE="MINIMIZE_RAM_USAGE:=true"

    JDK_VARIANT="embedded"

else

    AC_ERROR([The available JDK variants are: normal, embedded])

fi

AC_SUBST(JAVASE_EMBEDDED)

AC_SUBST(MINIMIZE_RAM_USAGE)

AC_SUBST(JDK_VARIANT)

AC_MSG_RESULT([$JDK_VARIANT])

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

#

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

# We always build headless support.

#

AC_MSG_CHECKING([headful support])

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

	[build 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.

    BUILD_HEADLESS_ONLY=""

    headful_msg="inlude 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"

    BUILD_HEADLESS_ONLY="BUILD_HEADLESS_ONLY:=true"

    headful_msg="headless only"

fi

AC_MSG_RESULT([$headful_msg])

AC_SUBST(SUPPORT_HEADLESS)

AC_SUBST(SUPPORT_HEADFUL)

AC_SUBST(BUILD_HEADLESS)

AC_SUBST(BUILD_HEADLESS_ONLY)

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

#

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

# Currently we have:

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

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

#    kernel: kernel footprint JVM that passes the TCK without major performance problems,

#             ie normal interpreter and C1, only the serial GC, kernel jvmti etc

#    zero: no machine code interpreter, no compiler

#    zeroshark: zero interpreter and shark/llvm compiler backend

AC_MSG_CHECKING([which variants of the JVM that should be built])

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

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

if test "x$with_jvm_variants" = x; then

    if test "x$JDK_VARIANT" = xembedded; then

        with_jvm_variants="kernel"

    elif test "x$HOST_CPU_BITS" = x64; then

        with_jvm_variants="server"

    else

        # Yes, on 32-bit machines, the same source (almost) is compiled twice

        # to generate two libjvm.so files. Fun, fun.

        with_jvm_variants="client,server"

    fi

fi

JVM_VARIANTS=",$with_jvm_variants,"

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

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

   AC_ERROR([The available JVM variants are: server, client, kernel, zero, zeroshark])

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_KERNEL=`$ECHO "$JVM_VARIANTS" | $SED -e '/,kernel,/!s/.*/false/g' -e '/,kernel,/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'`

if test "x$JVM_VARIANT_CLIENT" = xtrue; then

    if test "x$HOST_CPU_BITS" = x64; then

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

    fi

fi

if test "x$JVM_VARIANT_KERNEL" = xtrue; then

    if test "x$HOST_CPU_BITS" = x64; then

        AC_ERROR([You cannot build a kernel JVM for a 64-bit machine.])

    fi

fi

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

# 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/'`

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

    AC_MSG_NOTICE([NOTE! Longer build time since we are building more than one version of the libjvm! $with_jvm_variants])

fi

AC_SUBST(JVM_VARIANTS)

AC_SUBST(JVM_VARIANT_SERVER)

AC_SUBST(JVM_VARIANT_CLIENT)

AC_SUBST(JVM_VARIANT_KERNEL)

AC_SUBST(JVM_VARIANT_ZERO)

AC_SUBST(JVM_VARIANT_ZEROSHARK)

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

#

# Set the debug level

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

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

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

#

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) @<:@release@:>@])],

	[

        DEBUG_LEVEL="${withval}"

        if test "x$ENABLE_DEBUG" = xyes; then

			AC_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" != xfastdebug && \

   test "x$DEBUG_LEVEL" != xslowdebug; then

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

fi

case $DEBUG_LEVEL in

      release )

          VARIANT="OPT"

          FASTDEBUG="false"

          DEBUG_CLASSFILES="false"            

          BUILD_VARIANT_RELEASE=""             

           ;;

      fastdebug )

          VARIANT="DBG"

          FASTDEBUG="true"

          DEBUG_CLASSFILES="true"            

          BUILD_VARIANT_RELEASE="-fastdebug"

           ;;

      slowdebug )

          VARIANT="DBG"

          FASTDEBUG="false"

          DEBUG_CLASSFILES="true"            

          BUILD_VARIANT_RELEASE="-debug"             

           ;;

esac

AC_SUBST(DEBUG_LEVEL)

AC_SUBST(VARIANT)

AC_SUBST(FASTDEBUG)

AC_SUBST(DEBUG_CLASSFILES)

AC_SUBST(BUILD_VARIANT_RELEASE)

# Source the version numbers

. $AUTOCONF_DIR/version.numbers

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

    . $AUTOCONF_DIR/closed.version.numbers

fi

# Now set the JDK version, milestone, build number etc.

AC_SUBST(JDK_MAJOR_VERSION)

AC_SUBST(JDK_MINOR_VERSION)

AC_SUBST(JDK_MICRO_VERSION)

AC_SUBST(JDK_UPDATE_VERSION)

AC_SUBST(JDK_BUILD_NUMBER)

AC_SUBST(MILESTONE)

AC_SUBST(LAUNCHER_NAME)

AC_SUBST(PRODUCT_NAME)

AC_SUBST(PRODUCT_SUFFIX)

AC_SUBST(JDK_RC_PLATFORM_NAME)

AC_SUBST(COMPANY_NAME)

COPYRIGHT_YEAR=`date +'%Y'`

AC_SUBST(COPYRIGHT_YEAR)

RUNTIME_NAME="$PRODUCT_NAME $PRODUCT_SUFFIX"

AC_SUBST(RUNTIME_NAME)

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

    JDK_VERSION="${JDK_MAJOR_VERSION}.${JDK_MINOR_VERSION}.${JDK_MICRO_VERSION}_${JDK_UPDATE_VERSION}"

else

    JDK_VERSION="${JDK_MAJOR_VERSION}.${JDK_MINOR_VERSION}.${JDK_MICRO_VERSION}"

fi

AC_SUBST(JDK_VERSION)

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

    RELEASE="${JDK_VERSION}-${MILESTONE}${BUILD_VARIANT_RELEASE}"

else

    RELEASE="${JDK_VERSION}${BUILD_VARIANT_RELEASE}"

fi

AC_SUBST(RELEASE)

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

    FULL_VERSION="${RELEASE}-${JDK_BUILD_NUMBER}"

else

    JDK_BUILD_NUMBER=b00

    BUILD_DATE=`date '+%Y_%m_%d_%H_%M'`

    # Avoid [:alnum:] since it depends on the locale.

    CLEAN_USERNAME=`echo "$USER" | $TR -d -c 'abcdefghijklmnopqrstuvqxyz0123456789'`

    USER_RELEASE_SUFFIX=`echo "${CLEAN_USERNAME}_${BUILD_DATE}" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvqxyz'`

    FULL_VERSION="${RELEASE}-${USER_RELEASE_SUFFIX}-${JDK_BUILD_NUMBER}"

fi

AC_SUBST(FULL_VERSION)

COOKED_BUILD_NUMBER=`$ECHO $JDK_BUILD_NUMBER | $SED -e 's/^b//' -e 's/^0//'`

AC_SUBST(COOKED_BUILD_NUMBER)

# Test from where we are running configure, in or outside of src root.

if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" || test "x$CURDIR" = "x$SRC_ROOT/common/makefiles" ; then

    # We are running configure from the src root.

    # Create a default ./build/host-variant-debuglevel output root.

    OUTPUT_ROOT="$SRC_ROOT/build/${HOST_OS}-${HOST_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"

    mkdir -p "$OUTPUT_ROOT"

    if test ! -d "$OUTPUT_ROOT"; then

        AC_ERROR([Could not create build directory $OUTPUT_ROOT])

    fi

else