jdk8-mips64-public: common/autoconf/configure.ac@afeeed8e5f8c (annotated)

common/autoconf/configure.ac@afeeed8e5f8c (annotated)

common/autoconf/configure.ac

Mon, 30 Apr 2012 12:13:29 -0700

author: ihse
date: Mon, 30 Apr 2012 12:13:29 -0700
changeset 430: afeeed8e5f8c
parent 425: e1830598f0b7
child 445: efd26e051e50
permissions: -rw-r--r--

7165277: Fix missing execute permission issue running logger.sh
Reviewed-by: ohair

 #
 # 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 $OUTPUT_ROOT])
     fi
 else
     # We are running configure from outside of the src dir.
     # Then use the current directory as output dir!
     OUTPUT_ROOT="$CURDIR"
 fi
 SPACESAFE(OUTPUT_ROOT,[the path to the output root])
 # Save the arguments given to us
 echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
 # Check if the VS env variables were setup prior to running configure.
 # If not, then find vcvarsall.bat and run it automatically, and integrate
 # the set env variables into the spec file.
 SETUPDEVENV="# No special vars"
 if test "x$BUILD_OS" = "xwindows"; then
     # If vcvarsall.bat has been run, then VCINSTALLDIR is set.
     if test "x$VCINSTALLDIR" != x; then
         # No further setup is needed. The build will happen from this kind
         # of shell.
         SETUPDEVENV="# This spec file expects that you are running bash from within a VS command prompt."
         # Make sure to remind you, if you forget to run make from a cygwin bash shell
         # that is spawned "bash -l" from a VS command prompt.
         CHECK_FOR_VCINSTALLDIR=yes
         AC_MSG_CHECKING([if you are running from within a VS command prompt])
         AC_MSG_RESULT([yes])
     else
         # Ah, we have not yet run vcvarsall.bat/vsvars32.bat/vsvars64.bat. Lets do that. First find it.
         if test "x$VS100COMNTOOLS" != x; then
             VARSBAT=`find "$VS100COMNTOOLS/../.." -name vcvarsall.bat`
 	    SEARCH_ROOT="$VS100COMNTOOLS"
         else
             VARSBAT=`find "$PROGRAMFILES" -name vcvarsall.bat`
 	    SEARCH_ROOT="$PROGRAMFILES"
         fi
         VCPATH=`dirname "$VARSBAT"`
         VCPATH=`cygpath -w "$VCPATH"`
 	if test "x$VARSBAT" = x || test ! -d "$VCPATH"; then
             AC_MSG_CHECKING([if we can find the VS installation])
             AC_MSG_RESULT([no])
             AC_ERROR([Tried to find a VS installation using both $SEARCH_ROOT but failed. Please run "c:\\cygwin\\bin\\bash.exe -l" from a VS command prompt and then run configure/make from there.])
         fi
         case "$LEGACY_HOST_CPU1" in
           i?86)
             VARSBAT_ARCH=x86
             ;;
           *)
             VARSBAT_ARCH=$LEGACY_HOST_CPU1
             ;;
         esac
         # Lets extract the variables that are set by vcvarsall.bat/vsvars32.bat/vsvars64.bat
         cd $OUTPUT_ROOT
         $SRC_ROOT/common/bin/extractvcvars.sh "$VARSBAT" "$VARSBAT_ARCH"
 	cd $CURDIR
 	if test ! -s $OUTPUT_ROOT/localdevenv.sh || test ! -s $OUTPUT_ROOT/localdevenv.gmk; then
             AC_MSG_CHECKING([if we can extract the needed env variables])
             AC_MSG_RESULT([no])
             AC_ERROR([Could not succesfully extract the env variables needed for the VS setup. Please run "c:\\cygwin\\bin\\bash.exe -l" from a VS command prompt and then run configure/make from there.])
         fi
         # Now set all paths and other env variables. This will allow the rest of
         # the configure script to find and run the compiler in the proper way.
         . $OUTPUT_ROOT/localdevenv.sh
         AC_MSG_CHECKING([if we can find the VS installation])
 	if test "x$VCINSTALLDIR" != x; then
             AC_MSG_RESULT([$VCINSTALLDIR])
         else
             AC_MSG_RESULT([no])
             AC_ERROR([Could not find VS installation. Please install. If you are sure you have installed VS, then please run "c:\\cygwin\\bin\\bash.exe -l" from a VS command prompt and then run configure/make from there.])
         fi
         CHECK_FOR_VCINSTALLDIR=no
 	SETUPDEVENV="include $OUTPUT_ROOT/localdevenv.gmk"
 	AC_MSG_CHECKING([for msvcr100.dll])
         AC_ARG_WITH(msvcr100dll, [AS_HELP_STRING([--with-msvcr100dll],
             [copy this msvcr100.dll into the built JDK])])
         if test "x$with_msvcr100dll" != x; then
             MSVCR100DLL="$with_msvcr100dll"
         else
             if test "x$HOST_CPU_BITS" = x64; then
                 MSVCR100DLL=`find "$VCINSTALLDIR/.." -name msvcr100.dll | grep x64 | head --lines 1`
             else
                 MSVCR100DLL=`find "$VCINSTALLDIR/.." -name msvcr100.dll | grep x86 | grep -v ia64 | grep -v x64 | head --lines 1`
                 if test "x$MSVCR100DLL" = x; then
                     MSVCR100DLL=`find "$VCINSTALLDIR/.." -name msvcr100.dll | head --lines 1`
                 fi
             fi
         fi
 	if test "x$MSVCR100DLL" = x; then
            AC_MSG_RESULT([no])
 	   AC_ERROR([Could not find msvcr100.dll !])
         fi
         AC_MSG_RESULT([$MSVCR100DLL])
 	SPACESAFE(MSVCR100DLL,[the path to msvcr100.dll])
     fi
 fi
 AC_SUBST(SETUPDEVENV)
 AC_SUBST(CHECK_FOR_VCINSTALLDIR)
 AC_SUBST(MSVCR100DLL)
 # Most of the probed defines are put into config.h
 AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
 # The spec.gmk file contains all variables for the make system.
 AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
 # The generated Makefile knows where the spec.gmk is and where the source is.
 # You can run make from the OUTPUT_ROOT. If you have only
 # one configured host, then you can also run make from the SRC_ROOT,
 # since it will go look for a single spec.gmk file. Or perhaps it
 # should instead make all configured hosts it can find?
 AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
 AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
 AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
 # Where are the sources. Any of these can be overridden
 # using --with-override-corba and the likes.
 LANGTOOLS_TOPDIR="$SRC_ROOT/langtools"
 CORBA_TOPDIR="$SRC_ROOT/corba"
 JAXP_TOPDIR="$SRC_ROOT/jaxp"
 JAXWS_TOPDIR="$SRC_ROOT/jaxws"
 HOTSPOT_TOPDIR="$SRC_ROOT/hotspot"
 JDK_TOPDIR="$SRC_ROOT/jdk"
 AC_SUBST(LANGTOOLS_TOPDIR)
 AC_SUBST(CORBA_TOPDIR)
 AC_SUBST(JAXP_TOPDIR)
 AC_SUBST(JAXWS_TOPDIR)
 AC_SUBST(HOTSPOT_TOPDIR)
 AC_SUBST(JDK_TOPDIR)
 # Check if pkg-config is available.
 PKG_PROG_PKG_CONFIG
 AC_ARG_WITH(builddeps-conf, [AS_HELP_STRING([--with-builddeps-conf],
     [use this configuration file for the builddeps])])
 AC_ARG_WITH(builddeps-server, [AS_HELP_STRING([--with-builddeps-server],
     [download and use build dependencies from this server url, e.g. --with-builddeps-server=ftp://example.com/dir])])
 AC_ARG_WITH(builddeps-dir, [AS_HELP_STRING([--with-builddeps-dir],
     [store downloaded build dependencies here @<:@d/localhome/builddeps@:>@])],
     [],
     [with_builddeps_dir=/localhome/builddeps])
 AC_ARG_WITH(builddeps-group, [AS_HELP_STRING([--with-builddeps-group],
     [chgrp the downloaded build dependencies to this group])])
 AC_ARG_ENABLE([list-builddeps], [AS_HELP_STRING([--enable-list-builddeps],
 	[list all build dependencies known to the configure script])],
 	[LIST_BUILDDEPS="${enableval}"], [LIST_BUILDDEPS='no'])
 if test "x$LIST_BUILDDEPS" = xyes; then
     echo
     echo List of build dependencies known to the configure script,
     echo that can be used in builddeps.conf files:
     cat $SRC_ROOT/configure.ac | grep BDEPS_CHECK_MODUL | grep -v configure.ac | cut -f 2 -d ',' | tr -d ' ' | sort
     echo
     exit 1
 fi
 # If builddeps server or conf file is given. Setup buildeps usage.
 BDEPS_SCAN_FOR_BUILDDEPS
 ###############################################################################
 #
 # Configure the development tool paths and potential sysroot.
 #
 AC_LANG(C++)
 DEVKIT=
 SYS_ROOT=/
 AC_SUBST(SYS_ROOT)
 # The option used to specify the target .o,.a or .so file.
 # When compiling, how to specify the to be created object file.
 CC_OUT_OPTION='-o$(SPACE)'
 # When linking, how to specify the to be created executable.
 EXE_OUT_OPTION='-o$(SPACE)'
 # When linking, how to specify the to be created dynamically linkable library.
 LD_OUT_OPTION='-o$(SPACE)'
 # When archiving, how to specify the to be create static archive for object files.
 AR_OUT_OPTION='rcs$(SPACE)'
 AC_SUBST(CC_OUT_OPTION)
 AC_SUBST(EXE_OUT_OPTION)
 AC_SUBST(LD_OUT_OPTION)
 AC_SUBST(AR_OUT_OPTION)
 # If --build AND --host is set, then the configure script will find any
 # cross compilation tools in the PATH. Cross compilation tools
 # follows the cross compilation standard where they are prefixed with ${host}.
 # For example the binary i686-sun-solaris2.10-gcc
 # will cross compile for i686-sun-solaris2.10
 # If neither of build and host is not set, then build=host and the
 # default compiler found in the path will be used.
 # Setting only --host, does not seem to be really supported.
 # Please set both --build and --host if you want to cross compile.
 DEFINE_CROSS_COMPILE_ARCH=""
 HOSTCC=""
 HOSTCXX=""
 AC_SUBST(DEFINE_CROSS_COMPILE_ARCH)
 AC_SUBST(HOST_CC)
 AC_SUBST(HOST_CXX)
 AC_MSG_CHECKING([if this is a cross compile])
 if test "x$build_var" != "x$host_var"; then
     AC_MSG_RESULT([yes, from $build_var to $host_var])
     # We have detected a cross compile!
     DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$LEGACY_HOST_CPU1"
     # Now we to find a C/C++ compiler that can build executables for the build
     # platform. We can't use the AC_PROG_CC macro, since it can only be used
     # once.
     AC_PATH_PROGS(HOSTCC, [cl cc gcc])
     WHICHCMD(HOSTCC)
     AC_PATH_PROGS(HOSTCXX, [cl CC g++])
     WHICHCMD(HOSTCXX)
     # Building for the build platform should be easy. Therefore
     # we do not need any linkers or assemblers etc.
 else
     AC_MSG_RESULT([no])
 fi
 # You can force the sys-root if the sys-root encoded into the cross compiler tools
 # is not correct.
 AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
     [pass this sys-root to the compilers and linker (useful if the sys-root encoded in
      the cross compiler tools is incorrect)])])
 if test "x$with_sys_root" != x; then
     SYS_ROOT=$with_sys_root
 fi
 # If a devkit is found on the builddeps server, then prepend its path to the
 # PATH variable. If there are cross compilers available in the devkit, these
 # will be found by AC_PROG_CC et al.
 BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
                     [# Found devkit
                      PATH="$DEVKIT/bin:$PATH"
                      SYS_ROOT="$DEVKIT/${rewritten_host}/sys-root"
                      if test "x$x_includes" = "xNONE"; then
                          x_includes="$SYS_ROOT/usr/include/X11"
                      fi
                      if test "x$x_libraries" = "xNONE"; then
                          x_libraries="$SYS_ROOT/usr/lib"
                      fi
                     ],
                     [])
 if test "x$SYS_ROOT" != "x/" ; then
     CFLAGS="--sysroot=$SYS_ROOT $CFLAGS"
     CXXFLAGS="--sysroot=$SYS_ROOT $CXXFLAGS"
     OBJCFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS"
     OBJCXXFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS"
     CPPFLAGS="--sysroot=$SYS_ROOT $CPPFLAGS"
     LDFLAGS="--sysroot=$SYS_ROOT $LDFLAGS"
 fi
 # Store the CFLAGS etal passed to the configure script.
 ORG_CFLAGS="$CFLAGS"
 ORG_CXXFLAGS="$CXXFLAGS"
 ORG_OBJCFLAGS="$OBJCFLAGS"
 # gcc is almost always present, but on Windows we
 # prefer cl.exe and on Solaris we prefer CC.
 # Thus test for them in this order.
 AC_PROG_CC([cl cc gcc])
 if test "x$CC" = x; then
     help_on_build_dependency devkit
     AC_ERROR([Could not find a compiler. $HELP_MSG])
 fi
 if test "x$CC" = xcc && test "x$BUILD_OS" = xmacosx; then
     # Do not use cc on MacOSX use gcc instead.
     CC="gcc"
 fi
 WHICHCMD(CC)
 AC_PROG_CXX([cl CC g++])
 if test "x$CXX" = xCC && test "x$BUILD_OS" = xmacosx; then
     # The found CC, even though it seems to be a g++ derivate, cannot compile
     # c++ code. Override.
     CXX="g++"
 fi
 WHICHCMD(CXX)
 if test "x$CXX" = x || test "x$CC" = x; then
     help_on_build_dependency devkit
     AC_ERROR([Could not find the needed compilers! $HELP_MSG ])
 fi
 if test "x$BUILD_OS" != xwindows; then
     AC_PROG_OBJC
     WHICHCMD(OBJC)
 else
     OBJC=
 fi
 # Restore the flags to the user specified values.
 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
 CFLAGS="$ORG_CFLAGS"
 CXXFLAGS="$ORG_CXXFLAGS"
 OBJCFLAGS="$ORG_OBJCFLAGS"
 # If we are not cross compiling, use the same compilers for
 # building the build platform executables.
 if test "x$DEFINE_CROSS_COMPILE_ARCH" = x; then
     HOSTCC="$CC"
     HOSTCXX="$CXX"
 fi
 AC_CHECK_TOOL(LD, ld)
 WHICHCMD(LD)
 LDEXE="$LD"
 LDCXX="$LD"
 LDEXECXX="$LD"
 # LDEXE is the linker to use, when creating executables.
 AC_SUBST(LDEXE)
 # Linking C++ libraries.
 AC_SUBST(LDCXX)
 # Linking C++ executables.
 AC_SUBST(LDEXECXX)
 AC_CHECK_TOOL(AR, ar)
 WHICHCMD(AR)
 if test "x$BUILD_OS" = xmacosx; then
     ARFLAGS="-r"
 else
     ARFLAGS=""
 fi
 AC_SUBST(ARFLAGS)
 COMPILER_NAME=gcc
 COMPILER_TYPE=CC
 AS_IF([test "x$BUILD_OS" = xwindows], [
     # For now, assume that we are always compiling using cl.exe.
     CC_OUT_OPTION=-Fo
     EXE_OUT_OPTION=-Fe
     LD_OUT_OPTION=-out:
     AR_OUT_OPTION=-out:
     # On Windows, reject /usr/bin/link, which is a cygwin
     # program for something completely different.
     AC_CHECK_PROG([WINLD], [link],[link],,, [/usr/bin/link])
     # Since we must ignore the first found link, WINLD will contain
     # the full path to the link.exe program.
     WHICHCMD_SPACESAFE([WINLD])
     LD="$WINLD"
     # However creating executables can only be done with cl.exe.
     LDEXE="$CC"
     LDCXX="$WINLD"
     LDEXECXX="$CC"
     AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
     WHICHCMD_SPACESAFE([MT])
     # The resource compiler
     AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
     WHICHCMD_SPACESAFE([RC])
     RC_FLAGS="/l 0x409 /r"
     AS_IF([test "x$VARIANT" = xOPT], [
         RC_FLAGS="$RC_FLAGS -d NDEBUG"
     ])
     JDK_UPDATE_VERSION_NOTNULL=$JDK_UPDATE_VERSION
     AS_IF([test "x$JDK_UPDATE_VERSION" = x], [
         JDK_UPDATE_VERSION_NOTNULL=0
     ])
     RC_FLAGS="$RC_FLAGS -d \"JDK_BUILD_ID=$FULL_VERSION\""
     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPANY=$COMPANY_NAME\""
     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPONENT=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME binary\""
     RC_FLAGS="$RC_FLAGS -d \"JDK_VER=$JDK_MINOR_VERSION.$JDK_MICRO_VERSION.$JDK_UPDATE_VERSION_NOTNULL.$COOKED_BUILD_NUMBER\""
     RC_FLAGS="$RC_FLAGS -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\""
     RC_FLAGS="$RC_FLAGS -d \"JDK_NAME=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME $JDK_MINOR_VERSION $JDK_UPDATE_META_TAG\""
     RC_FLAGS="$RC_FLAGS -d \"JDK_FVER=$JDK_MINOR_VERSION,$JDK_MICRO_VERSION,$JDK_UPDATE_VERSION_NOTNULL,$COOKED_BUILD_NUMBER\""
     # lib.exe is used to create static libraries.
     AC_CHECK_PROG([WINAR], [lib],[lib],,,)
     WHICHCMD_SPACESAFE([WINAR])
     AR="$WINAR"
     ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
     AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
     WHICHCMD_SPACESAFE([DUMPBIN])
     COMPILER_TYPE=CL
     CFLAGS="$CFLAGS -nologo"
     LDFLAGS="$LDFLAGS -nologo -dll -opt:ref -incremental:no "
     if test "x$LEGACY_HOST_CPU1" = xi586; then
         LDFLAGS="$LDFLAGS -safeseh"
     fi
     if test "x$DEBUG_LEVEL" != xrelease; then
         LDFLAGS="$LDFLAGS -debug"
     fi
 ])
 AC_SUBST(RC_FLAGS)
 AC_SUBST(COMPILER_TYPE)
 AC_PROG_CPP
 WHICHCMD(CPP)
 AC_PROG_CXXCPP
 WHICHCMD(CXXCPP)
 # Find the right assembler.
 if test "x$BUILD_OS" = xsolaris; then
     AC_PATH_PROG(AS, as)
     WHICHCMD(AS)
     ASFLAGS=" "
 else
     AS="$CC -c"
     ASFLAGS=" "
 fi
 AC_SUBST(AS)
 AC_SUBST(ASFLAGS)
 if test "x$HOST_CPU_BITS" = x32 && test "x$HOST_OS" = macosx; then
     # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
     # While waiting for a better solution, the current workaround is to use -mstackrealign.
     CFLAGS="$CFLAGS -mstackrealign"
     AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
                    [
 		        AC_MSG_RESULT([yes])
                    ],
 	           [
 		        AC_MSG_RESULT([no])
 	                AC_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
 	           ])
 fi
 if test "x$BUILD_OS" = xsolaris; then
     AC_PATH_PROG(NM, nm)
     WHICHCMD(NM)
     AC_PATH_PROG(STRIP, strip)
     WHICHCMD(STRIP)
     AC_PATH_PROG(MCS, mcs)
     WHICHCMD(MCS)
 else
     AC_CHECK_TOOL(NM, nm)
     WHICHCMD(NM)
     AC_CHECK_TOOL(STRIP, strip)
     WHICHCMD(STRIP)
 fi
 # When using cygwin, we need a wrapper binary that renames
 # /cygdrive/c/ arguments into c:/ arguments and peeks into
 # @files and rewrites these too! This wrapper binary is
 # called uncygdrive.exe.
 UNCYGDRIVE=
 if test "x$BUILD_OS" = xwindows; then
     AC_MSG_CHECKING([if uncygdrive can be created])
     UNCYGDRIVE_SRC=`$CYGPATH -m $SRC_ROOT/common/src/uncygdrive.c`
     rm -f $OUTPUT_ROOT/uncygdrive*
     UNCYGDRIVE=`$CYGPATH -m $OUTPUT_ROOT/uncygdrive.exe`
     cd $OUTPUT_ROOT
     $CC $UNCYGDRIVE_SRC /Fe$UNCYGDRIVE > $OUTPUT_ROOT/uncygdrive1.log 2>&1
     cd $CURDIR
     if test ! -x $OUTPUT_ROOT/uncygdrive.exe; then
         AC_MSG_RESULT([no])
         cat $OUTPUT_ROOT/uncygdrive1.log
         AC_ERROR([Could not create $OUTPUT_ROOT/uncygdrive.exe])
     fi
     AC_MSG_RESULT([$UNCYGDRIVE])
     AC_MSG_CHECKING([if uncygdrive.exe works])
     cd $OUTPUT_ROOT
     $UNCYGDRIVE $CC $SRC_ROOT/common/src/uncygdrive.c /Fe$OUTPUT_ROOT/uncygdrive2.exe > $OUTPUT_ROOT/uncygdrive2.log 2>&1
     cd $CURDIR
     if test ! -x $OUTPUT_ROOT/uncygdrive2.exe; then
         AC_MSG_RESULT([no])
         cat $OUTPUT_ROOT/uncygdrive2.log
         AC_ERROR([Uncygdrive did not work!])
     fi
     AC_MSG_RESULT([yes])
     rm -f $OUTPUT_ROOT/uncygdrive?.??? $OUTPUT_ROOT/uncygdrive.obj
 fi
 AC_SUBST(UNCYGDRIVE)
 TESTFOR_PROG_CCACHE
 # Used on GNU/Linux systems, can be empty...
 #AC_PATH_PROG(ELFDUMP, elfdump)
 # Setup default logging of stdout and stderr to build.log in the output root.
 BUILD_LOG='$(OUTPUT_ROOT)/build.log'
 BUILD_LOG_WRAPPER='$(SH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
 AC_SUBST(BUILD_LOG)
 AC_SUBST(BUILD_LOG_WRAPPER)
 ###############################################################################
 #
 # Now we check if libjvm.so will use 32 or 64 bit pointers for the C/C++ code.
 # (The JVM can use 32 or 64 bit Java pointers but that decision
 # is made at runtime.)
 #
 AC_CHECK_SIZEOF([int *], [1111])
 if test "x$ac_cv_sizeof_int_p" = x0; then
     # The test failed, lets pick the assumed value.
     ARCH_DATA_MODEL=$HOST_CPU_BITS
 else
     ARCH_DATA_MODEL=`expr 8 \* $ac_cv_sizeof_int_p`
 fi
 if test "x$ARCH_DATA_MODEL" = x64; then
     A_LP64="LP64:="
     ADD_LP64="-D_LP64=1"
 fi
 AC_MSG_CHECKING([for host address size])
 AC_MSG_RESULT([$ARCH_DATA_MODEL bits])
 AC_SUBST(LP64,$A_LP64)
 AC_SUBST(ARCH_DATA_MODEL)
 if test "x$ARCH_DATA_MODEL" != "x$HOST_CPU_BITS"; then
     AC_ERROR([The tested number of bits in the host ($ARCH_DATA_MODEL) differs from the number of bits expected to be found in the host ($HOST_CPU_BITS)])
 fi
 ###############################################################################
 #
 # Can the C/C++ compiler use precompiled headers?
 #
 AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
 	[use precompiled headers when compiling C++ @<:@enabled@:>@])],
     [ENABLE_PRECOMPH=${enable_precompiled-headers}], [ENABLE_PRECOMPH=yes])
 USE_PRECOMPILED_HEADER=1
 if test "x$ENABLE_PRECOMPH" = xno; then
     USE_PRECOMPILED_HEADER=0
 fi
 if test "x$ENABLE_PRECOMPH" = xyes; then
     # Check that the compiler actually supports precomp headers.
     if test "x$GCC" = xyes; then
          AC_MSG_CHECKING([that precompiled headers work])
          echo "int alfa();" > conftest.h
          $CXX -x c++-header conftest.h -o conftest.hpp.gch
          if test ! -f conftest.hpp.gch; then
              echo Precompiled header is not working!
              USE_PRECOMPILED_HEADER=0
              AC_MSG_RESULT([no])
          else
              AC_MSG_RESULT([yes])
          fi
          rm -f conftest.h
     fi
 fi
 AC_SUBST(USE_PRECOMPILED_HEADER)
 ###############################################################################
 #
 # How to compile shared libraries.
 #
 if test "x$GCC" = xyes; then
     COMPILER_NAME=gcc
     PICFLAG="-fPIC"
     LIBRARY_PREFIX=lib
     SHARED_LIBRARY='lib$1.so'
     STATIC_LIBRARY='lib$1.a'
     SHARED_LIBRARY_FLAGS="-shared"
     SHARED_LIBRARY_SUFFIX='.so'
     STATIC_LIBRARY_SUFFIX='.a'
     OBJ_SUFFIX='.o'
     EXE_SUFFIX=''
     SET_SHARED_LIBRARY_NAME='-Xlinker -soname=$1'
     SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=$(JDK_TOPDIR)/$1'
     SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN/$1'
     LD="$CC"
     LDEXE="$CC"
     LDCXX="$CXX"
     LDEXECXX="$CXX"
     # Linking is different on MacOSX
     if test "x$BUILD_OS" = xmacosx; then
         # Might change in the future to clang.
         COMPILER_NAME=gcc
         SHARED_LIBRARY='lib$1.dylib'
         SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
         SHARED_LIBRARY_SUFFIX='.dylib'
         EXE_SUFFIX=''
         SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/$1'
         SET_SHARED_LIBRARY_MAPFILE=''
         SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
     fi
 else
     if test "x$BUILD_OS" = xsolaris; then
         # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
         COMPILER_NAME=ossc
         PICFLAG="-KPIC"
         LIBRARY_PREFIX=lib
         SHARED_LIBRARY='lib$1.so'
         STATIC_LIBRARY='lib$1.a'
         SHARED_LIBRARY_FLAGS="-G"
         SHARED_LIBRARY_SUFFIX='.so'
         STATIC_LIBRARY_SUFFIX='.a'
         OBJ_SUFFIX='.o'
         EXE_SUFFIX=''
         SET_SHARED_LIBRARY_NAME=''
         SET_SHARED_LIBRARY_MAPFILE='-M $(JDK_TOPDIR)/$1'
         SET_SHARED_LIBRARY_ORIGIN='-R \$$$$ORIGIN/$1'
         CFLAGS_JDKLIB_EXTRA='-xstrconst -D__solaris__'
     fi
     if test "x$BUILD_OS" = xwindows; then
         # If it is not gcc, then assume it is the MS Visual Studio compiler
         COMPILER_NAME=cl
         PICFLAG=""
         LIBRARY_PREFIX=
         SHARED_LIBRARY='$1.dll'
         STATIC_LIBRARY='$1.lib'
         SHARED_LIBRARY_FLAGS="-LD"
         SHARED_LIBRARY_SUFFIX='.dll'
         STATIC_LIBRARY_SUFFIX='.lib'
         OBJ_SUFFIX='.obj'
         EXE_SUFFIX='.exe'
         SET_SHARED_LIBRARY_NAME=''
         SET_SHARED_LIBRARY_MAPFILE=''
         SET_SHARED_LIBRARY_ORIGIN=''
     fi
 fi
 AC_SUBST(OBJ_SUFFIX)
 AC_SUBST(SHARED_LIBRARY)
 AC_SUBST(STATIC_LIBRARY)
 AC_SUBST(LIBRARY_PREFIX)
 AC_SUBST(SHARED_LIBRARY_SUFFIX)
 AC_SUBST(STATIC_LIBRARY_SUFFIX)
 AC_SUBST(EXE_SUFFIX)
 AC_SUBST(SHARED_LIBRARY_FLAGS)
 AC_SUBST(SET_SHARED_LIBRARY_NAME)
 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
 # The (cross) compiler is now configured, we can now test capabilities
 # of the host platform.
 ###############################################################################
 #
 # Is the host little of big endian?
 #
 AC_C_BIGENDIAN([ENDIAN="big"],[ENDIAN="little"],[ENDIAN="unknown"],[ENDIAN="universal"])
 if test "x$ENDIAN" = xuniversal; then
     AC_ERROR([It seems like someone needs to decide how we are to deal with universal binaries on the MacOSX?])
 fi
 if test "x$ENDIAN" = xunknown; then
     ENDIAN="$HOST_CPU_ENDIAN"
 fi
 if test "x$ENDIAN" != "x$HOST_CPU_ENDIAN"; then
     AC_WARN([The tested endian in the host ($ENDIAN) differs from the endian expected to be found in the host ($HOST_CPU_ENDIAN)])
     ENDIAN="$HOST_CPU_ENDIAN"
 fi
 AC_SUBST(ENDIAN)
 ###############################################################################
 #
 # We need a Boot JDK to bootstrap the build.
 #
 BOOT_JDK_FOUND=no
 AC_ARG_WITH(boot-jdk, [AS_HELP_STRING([--with-boot-jdk],
     [path to Boot JDK (used to bootstrap build) @<:@probed@:>@])])
 if test "x$with_boot_jdk" != x; then
     BOOT_JDK=$with_boot_jdk
     BOOT_JDK_FOUND=yes
 fi
 if test "x$BOOT_JDK_FOUND" = xno; then
     BDEPS_CHECK_MODULE(BOOT_JDK, bootjdk, xxx, [BOOT_JDK_FOUND=yes], [BOOT_JDK_FOUND=no])
 fi
 if test "x$BOOT_JDK_FOUND" = xno; then
     if test "x$JAVA_HOME" != x; then
         if test ! -d "$JAVA_HOME"; then
             AC_ERROR([Your JAVA_HOME points to a non-existing directory!])
         fi
         # Aha, the user has set a JAVA_HOME
         # let us use that as the Boot JDK.
         BOOT_JDK=$JAVA_HOME
         BOOT_JDK_FOUND=yes
         # To be on the safe side, lets check that it is a JDK.
         if test -x $BOOT_JDK/bin/javac && test -x $BOOT_JDK/bin/java; then
             JAVAC=$BOOT_JDK/bin/javac
             JAVA=$BOOT_JDK/bin/java
             BOOT_JDK_FOUND=yes
         else
             AC_ERROR([Your JAVA_HOME points to a JRE! The build needs a JDK! Please point JAVA_HOME to a JDK.])
         fi
     fi
 fi
 if test "x$BOOT_JDK_FOUND" = xno; then
     AC_PATH_PROG(JAVAC_CHECK, javac)
     AC_PATH_PROG(JAVA_CHECK, java)
     BINARY="$JAVAC_CHECK"
     if test "x$JAVAC_CHECK" = x; then
         BINARY="$JAVA_CHECK"
     fi
     if test "x$BINARY" != x; then
         # So there is a java(c) binary, it might be part of a JDK.
         # Lets find the JDK/JRE directory by following symbolic links.
         # Linux/GNU systems often have links from /usr/bin/java to
         # /etc/alternatives/java to the real JDK binary.
 	WHICHCMD_SPACESAFE(BINARY,[path to javac])
         REMOVE_SYMBOLIC_LINKS(BINARY)
         BOOT_JDK=`dirname $BINARY`
         BOOT_JDK=`cd $BOOT_JDK/..; pwd`
         if test -x $BOOT_JDK/bin/javac && test -x $BOOT_JDK/bin/java; then
             JAVAC=$BOOT_JDK/bin/javac
             JAVA=$BOOT_JDK/bin/java
             BOOT_JDK_FOUND=yes
         fi
     fi
 fi
 if test "x$BOOT_JDK_FOUND" = xno; then
     # Try the MacOSX way.
     if test -x /usr/libexec/java_home; then
         BOOT_JDK=`/usr/libexec/java_home`
         if test -x $BOOT_JDK/bin/javac && test -x $BOOT_JDK/bin/java; then
             JAVAC=$BOOT_JDK/bin/javac
             JAVA=$BOOT_JDK/bin/java
             BOOT_JDK_FOUND=yes
         fi
     fi
 fi
 if test "x$BOOT_JDK_FOUND" = xno; then
     AC_PATH_PROG(JAVA_CHECK, java)
     if test "x$JAVA_CHECK" != x; then
         # There is a java in the path. But apparently we have not found a javac
         # in the path, since that would have been tested earlier.
         if test "x$HOST_OS" = xwindows; then
             # Now if this is a windows platform. The default installation of a JDK
             # actually puts the JRE in the path and keeps the JDK out of the path!
             # Go look in the default installation location.
             BOOT_JDK=/cygdrive/c/Program\ Files/Java/`ls /cygdrive/c/Program\ Files/Java | grep jdk | sort -r | head --lines 1`
             if test -d "$BOOT_JDK"; then
                 BOOT_JDK_FOUND=yes
             fi
         fi
         if test "x$BOOT_JDK_FOUND" = xno; then
             help_on_build_dependency openjdk
             AC_ERROR([Found a JRE, not not a JDK! Please remove the JRE from your path and put a JDK there instead. $HELP_MSG])
         fi
     else
         help_on_build_dependency openjdk
         AC_ERROR([Could not find a JDK. $HELP_MSG])
     fi
 fi
 WIN_FIX_PATH(BOOT_JDK)
 # Now see if we can find the rt.jar, or its nearest equivalent.
 BOOT_RTJAR="$BOOT_JDK/jre/lib/rt.jar"
 SPACESAFE(BOOT_RTJAR,[the path to the Boot JDK rt.jar (or nearest equivalent)])
 BOOT_TOOLSJAR="$BOOT_JDK/lib/tools.jar"
 SPACESAFE(BOOT_TOOLSJAR,[the path to the Boot JDK tools.jar (or nearest equivalent)])
 if test ! -f $BOOT_RTJAR; then
     # On MacOSX it is called classes.jar
     BOOT_RTJAR=$BOOT_JDK/../Classes/classes.jar
     if test ! -f $BOOT_RTJAR; then
         AC_ERROR([Cannot find the rt.jar or its equivalent!])
     fi
     # Remove the ..
     BOOT_RTJAR="`cd ${BOOT_RTJAR%/*} && pwd`/${BOOT_RTJAR##*/}"
     # The tools.jar is part of classes.jar
     BOOT_TOOLSJAR="$BOOT_RTJAR"
 fi
 AC_SUBST(BOOT_JDK)
 AC_SUBST(BOOT_RTJAR)
 AC_SUBST(BOOT_TOOLSJAR)
 AC_MSG_CHECKING([for Boot JDK])
 AC_MSG_RESULT([$BOOT_JDK])
 AC_MSG_CHECKING([for Boot rt.jar])
 AC_MSG_RESULT([$BOOT_RTJAR])
 AC_MSG_CHECKING([for Boot tools.jar])
 AC_MSG_RESULT([$BOOT_TOOLSJAR])
 # Use the java tool from the Boot JDK.
 AC_MSG_CHECKING([for java in Boot JDK])
 JAVA=$BOOT_JDK/bin/java
 if test ! -x $JAVA; then
     AC_ERROR([Could not find a working java])
 fi
 BOOT_JDK_VERSION=`$JAVA -version 2>&1 | head -n 1`
 AC_MSG_RESULT([yes $BOOT_JDK_VERSION])
 AC_SUBST(JAVA)
 # Extra M4 quote needed to protect [] in grep expression.
 [FOUND_VERSION_78=`echo $BOOT_JDK_VERSION | grep  '\"1\.[78]\.'`]
 if test "x$FOUND_VERSION_78" = x; then
     help_on_build_dependency openjdk
     AC_ERROR([Your bootjdk must be version 7 or 8. $HELP_MSG])
 fi
 # When compiling code to be executed by the Boot JDK, force jdk7 compatibility.
 BOOT_JDK_SOURCETARGET="-source 7 -target 7"
 AC_SUBST(BOOT_JDK_SOURCETARGET)
 # Use the javac tool from the Boot JDK.
 AC_MSG_CHECKING([for javac in Boot JDK])
 JAVAC=$BOOT_JDK/bin/javac
 if test ! -x $JAVAC; then
     AC_ERROR([Could not find a working javac])
 fi
 AC_MSG_RESULT(yes)
 AC_SUBST(JAVAC)
 AC_SUBST(JAVAC_FLAGS)
 # Use the javac tool from the Boot JDK.
 AC_MSG_CHECKING([for javah in Boot JDK])
 JAVAH=$BOOT_JDK/bin/javah
 if test ! -x $JAVAH; then
     AC_ERROR([Could not find a working javah])
 fi
 AC_MSG_RESULT(yes)
 AC_SUBST(JAVAH)
 # Use the jar tool from the Boot JDK.
 AC_MSG_CHECKING([for jar in Boot JDK])
 JAR=$BOOT_JDK/bin/jar
 if test ! -x $JAR; then
     AC_ERROR([Could not find a working jar])
 fi
 AC_SUBST(JAR)
 AC_MSG_RESULT(yes)
 # Use the rmic tool from the Boot JDK.
 AC_MSG_CHECKING([for rmic in Boot JDK])
 RMIC=$BOOT_JDK/bin/rmic
 if test ! -x $RMIC; then
     AC_ERROR([Could not find a working rmic])
 fi
 AC_SUBST(RMIC)
 AC_MSG_RESULT(yes)
 ###############################################################################
 #
 # Pickup additional source for a component from outside of the source root
 # or override source for a component.
 #
 AC_ARG_WITH(add-source-root, [AS_HELP_STRING([--with-add-source-root],
     [for each and every source directory, look in this additional source root for
      the same directory; if it exists and have files in it, include it in the build])])
 AC_ARG_WITH(override-source-root, [AS_HELP_STRING([--with-override-source-root],
     [for each and every source directory, look in this override source root for
      the same directory; if it exists, use that directory instead and
      ignore the directory in the original source root])])
 AC_ARG_WITH(adds-and-overrides, [AS_HELP_STRING([--with-adds-and-overrides],
     [use the subdirs 'adds' and 'overrides' in the specified directory as
      add-source-root and override-source-root])])
 if test "x$with_adds_and_overrides" != x; then
     with_add_source_root="$with_adds_and_overrides/adds"
     with_override_source_root="$with_adds_and_overrides/overrides"
 fi
 if test "x$with_add_source_root" != x; then
     if ! test -d $with_add_source_root; then
        AC_ERROR([Trying to use a non-existant add-source-root $with_add_source_root])
     fi
     CURDIR="$PWD"
     cd "$with_add_source_root"
     ADD_SRC_ROOT="`pwd`"
     cd "$CURDIR"
     # Verify that the addon source root does not have any root makefiles.
     # If it does, then it is usually an error, prevent this.
     if test -f $with_add_source_root/langtools/makefiles/Makefile || \
        test -f $with_add_source_root/langtools/make/Makefile; then
         AC_ERROR([Your add source root seems to contain a full langtools repo! An add source root should only contain additional sources.])
     fi
     if test -f $with_add_source_root/corba/makefiles/Makefile || \
        test -f $with_add_source_root/corba/make/Makefile; then
         AC_ERROR([Your add source root seems to contain a full corba repo! An add source root should only contain additional sources.])
     fi
     if test -f $with_add_source_root/jaxp/makefiles/Makefile || \
        test -f $with_add_source_root/jaxp/make/Makefile; then
         AC_ERROR([Your add source root seems to contain a full jaxp repo! An add source root should only contain additional sources.])
     fi
     if test -f $with_add_source_root/jaxws/makefiles/Makefile || \
        test -f $with_add_source_root/jaxws/make/Makefile; then
         AC_ERROR([Your add source root seems to contain a full jaxws repo! An add source root should only contain additional sources.])
     fi
     if test -f $with_add_source_root/hotspot/makefiles/Makefile || \
        test -f $with_add_source_root/hotspot/make/Makefile; then
         AC_ERROR([Your add source root seems to contain a full hotspot repo! An add source root should only contain additional sources.])
     fi
     if test -f $with_add_source_root/jdk/makefiles/Makefile || \
        test -f $with_add_source_root/jdk/make/Makefile; then
         AC_ERROR([Your add source root seems to contain a full JDK repo! An add source root should only contain additional sources.])
     fi
 fi
 AC_SUBST(ADD_SRC_ROOT)
 if test "x$with_override_source_root" != x; then
     if ! test -d $with_override_source_root; then
        AC_ERROR([Trying to use a non-existant override-source-root $with_override_source_root])
     fi
     CURDIR="$PWD"
     cd "$with_override_source_root"
     OVERRIDE_SRC_ROOT="`pwd`"
     cd "$CURDIR"
     if test -f $with_override_source_root/langtools/makefiles/Makefile || \
        test -f $with_override_source_root/langtools/make/Makefile; then
         AC_ERROR([Your override source root seems to contain a full langtools repo! An override source root should only contain sources that override.])
     fi
     if test -f $with_override_source_root/corba/makefiles/Makefile || \
        test -f $with_override_source_root/corba/make/Makefile; then
         AC_ERROR([Your override source root seems to contain a full corba repo! An override source root should only contain sources that override.])
     fi
     if test -f $with_override_source_root/jaxp/makefiles/Makefile || \
        test -f $with_override_source_root/jaxp/make/Makefile; then
         AC_ERROR([Your override source root seems to contain a full jaxp repo! An override source root should only contain sources that override.])
     fi
     if test -f $with_override_source_root/jaxws/makefiles/Makefile || \
        test -f $with_override_source_root/jaxws/make/Makefile; then
         AC_ERROR([Your override source root seems to contain a full jaxws repo! An override source root should only contain sources that override.])
     fi
     if test -f $with_override_source_root/hotspot/makefiles/Makefile || \
        test -f $with_override_source_root/hotspot/make/Makefile; then
         AC_ERROR([Your override source root seems to contain a full hotspot repo! An override source root should only contain sources that override.])
     fi
     if test -f $with_override_source_root/jdk/makefiles/Makefile || \
        test -f $with_override_source_root/jdk/make/Makefile; then
         AC_ERROR([Your override source root seems to contain a full JDK repo! An override source root should only contain sources that override.])
     fi
 fi
 AC_SUBST(OVERRIDE_SRC_ROOT)
 ###############################################################################
 #
 # Override a repo completely, this is used for example when you have 3 small
 # development sandboxes of the langtools sources and want to avoid having 3 full
 # OpenJDK sources checked out on disk.
 #
 # Assuming that the 3 langtools sandboxes are located here:
 # /home/fredrik/sandbox1/langtools
 # /home/fredrik/sandbox2/langtools
 # /home/fredrik/sandbox3/langtools
 #
 # From the source root you create build subdirs manually:
 #     mkdir -p build1 build2 build3
 # in each build directory run:
 #     (cd build1 && ../configure --with-override-langtools=/home/fredrik/sandbox1 && make)
 #     (cd build2 && ../configure --with-override-langtools=/home/fredrik/sandbox2 && make)
 #     (cd build3 && ../configure --with-override-langtools=/home/fredrik/sandbox3 && make)
 #
 AC_ARG_WITH(override-langtools, [AS_HELP_STRING([--with-override-langtools],
     [use this langtools dir for the build])])
 AC_ARG_WITH(override-corba, [AS_HELP_STRING([--with-override-corba],
     [use this corba dir for the build])])
 AC_ARG_WITH(override-jaxp, [AS_HELP_STRING([--with-override-jaxp],
 	[use this jaxp dir for the build])])
 AC_ARG_WITH(override-jaxws, [AS_HELP_STRING([--with-override-jaxws],
 	[use this jaxws dir for the build])])
 AC_ARG_WITH(override-hotspot, [AS_HELP_STRING([--with-override-hotspot],
 	[use this hotspot dir for the build])])
 AC_ARG_WITH(override-jdk, [AS_HELP_STRING([--with-override-jdk],
 	[use this jdk dir for the build])])
 if test "x$with_override_langtools" != x; then
     CURDIR="$PWD"
     cd "$with_override_langtools"
     LANGTOOLS_TOPDIR="`pwd`"
     cd "$CURDIR"
     if ! test -f $LANGTOOLS_TOPDIR/makefiles/Makefile; then
         AC_ERROR([You have to override langtools with a full langtools repo!])
     fi
     AC_MSG_CHECKING([if langtools should be overridden])
     AC_MSG_RESULT([yes with $LANGTOOLS_TOPDIR])
 fi
 if test "x$with_override_corba" != x; then
     CURDIR="$PWD"
     cd "$with_override_corba"
     CORBA_TOPDIR="`pwd`"
     cd "$CURDIR"
     if ! test -f $CORBA_TOPDIR/makefiles/Makefile; then
         AC_ERROR([You have to override corba with a full corba repo!])
     fi
     AC_MSG_CHECKING([if corba should be overridden])
     AC_MSG_RESULT([yes with $CORBA_TOPDIR])
 fi
 if test "x$with_override_jaxp" != x; then
     CURDIR="$PWD"
     cd "$with_override_jaxp"
     JAXP_TOPDIR="`pwd`"
     cd "$CURDIR"
     if ! test -f $JAXP_TOPDIR/makefiles/Makefile; then
         AC_ERROR([You have to override jaxp with a full jaxp repo!])
     fi
     AC_MSG_CHECKING([if jaxp should be overridden])
     AC_MSG_RESULT([yes with $JAXP_TOPDIR])
 fi
 if test "x$with_override_jaxws" != x; then
     CURDIR="$PWD"
     cd "$with_override_jaxws"
     JAXWS_TOPDIR="`pwd`"
     cd "$CURDIR"
     if ! test -f $JAXWS_TOPDIR/makefiles/Makefile; then
         AC_ERROR([You have to override jaxws with a full jaxws repo!])
     fi
     AC_MSG_CHECKING([if jaxws should be overridden])
     AC_MSG_RESULT([yes with $JAXWS_TOPDIR])
 fi
 if test "x$with_override_hotspot" != x; then
     CURDIR="$PWD"
     cd "$with_override_hotspot"
     HOTSPOT_TOPDIR="`pwd`"
     cd "$CURDIR"
     if ! test -f $HOTSPOT_TOPDIR/make/Makefile && \
        ! test -f $HOTSPOT_TOPDIR/makefiles/Makefile; then
         AC_ERROR([You have to override hotspot with a full hotspot repo!])
     fi
     AC_MSG_CHECKING([if hotspot should be overridden])
     AC_MSG_RESULT([yes with $HOTSPOT_TOPDIR])
 fi
 if test "x$with_override_jdk" != x; then
     CURDIR="$PWD"
     cd "$with_override_jdk"
     JDK_TOPDIR="`pwd`"
     cd "$CURDIR"
     if ! test -f $JDK_TOPDIR/makefiles/Makefile; then
         AC_ERROR([You have to override JDK with a full JDK repo!])
     fi
     AC_MSG_CHECKING([if JDK should be overridden])
     AC_MSG_RESULT([yes with $JDK_TOPDIR])
 fi
 ###############################################################################
 #
 # Specify options for anything that is run with the Boot JDK.
 #
 AC_ARG_WITH(boot-jdk-jvmargs, [AS_HELP_STRING([--with-boot-jdk-jvmargs],
 	[specify JVM arguments to be passed to all invocations of the Boot JDK, overriding the default values,
      e.g --with-boot-jdk-jvmargs="-Xmx8G -enableassertions"])])
 if test "x$with_boot_jdk_jvmargs" = x; then
     # Not all JVM:s accept the same arguments on the command line.
     # OpenJDK specific increase in thread stack for JDK build,
     # well more specifically, when running javac.
     if test "x$BUILD_NUM_BITS" = x32; then
        STACK_SIZE=768
     else
        # Running Javac on a JVM on a 64-bit machine, the stack takes more space
        # since 64-bit pointers are pushed on the stach. Apparently, we need
        # to increase the stack space when javacing the JDK....
        STACK_SIZE=1536
     fi
     # Minimum amount of heap memory.
     ADD_JVM_ARG_IF_OK([-Xms64M],boot_jdk_jvmargs,[$JAVA])
     if test "x$HOST_OS" = "xmacosx"; then
         # Why does macosx need more heap? Its the huge JDK batch.
         ADD_JVM_ARG_IF_OK([-Xmx1600M],boot_jdk_jvmargs,[$JAVA])
     else
         ADD_JVM_ARG_IF_OK([-Xmx1100M],boot_jdk_jvmargs,[$JAVA])
     fi
     # When is adding -client something that speeds up the JVM?
     # ADD_JVM_ARG_IF_OK([-client],boot_jdk_jvmargs,[$JAVA])
     ADD_JVM_ARG_IF_OK([-XX:PermSize=32m],boot_jdk_jvmargs,[$JAVA])
     ADD_JVM_ARG_IF_OK([-XX:MaxPermSize=160m],boot_jdk_jvmargs,[$JAVA])
     ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],boot_jdk_jvmargs,[$JAVA])
     # Disable special log output when a debug build is used as Boot JDK...
     ADD_JVM_ARG_IF_OK([-XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput],boot_jdk_jvmargs,[$JAVA])
 fi
 AC_SUBST(BOOT_JDK_JVMARGS, $boot_jdk_jvmargs)
 AC_ARG_WITH(server-java, [AS_HELP_STRING([--with-server-java],
 	[use this java binary for running the javac background server and other long running java tasks in the build process,
      e.g. ---with-server-java="/opt/jrockit/bin/java -server"])])
 if test "x$with_server_java" != x; then
     SERVER_JAVA="$with_server_java"
     FOUND_VERSION=`$SERVER_JAVA -version 2>&1 | grep " version \""`
     if test "x$FOUND_VERSION" = x; then
         AC_ERROR([Could not execute server java: $SERVER_JAVA])
     fi
 else
     SERVER_JAVA=""
     # Hotspot specific options.
     ADD_JVM_ARG_IF_OK([-XX:+UseParallelOldGC],SERVER_JAVA,[$JAVA])
     ADD_JVM_ARG_IF_OK([-verbosegc],SERVER_JAVA,[$JAVA])
     # JRockit specific options.
     ADD_JVM_ARG_IF_OK([-Xverbose:gc],SERVER_JAVA,[$JAVA])
     SERVER_JAVA="$JAVA $SERVER_JAVA"
 fi
 AC_SUBST(SERVER_JAVA)
 AC_MSG_CHECKING([whether to use shared server for javac])
 AC_ARG_ENABLE([javac-server], [AS_HELP_STRING([--enable-javac-server],
 	[enable the shared javac server during the build process @<:@disabled@:>@])],
 	[ENABLE_JAVAC_SERVER="${enableval}"], [ENABLE_JAVAC_SERVER='no'])
 AC_MSG_RESULT([$ENABLE_JAVAC_SERVER])
 if test "x$ENABLE_JAVAC_SERVER" = xyes; then
     JAVAC_USE_REMOTE=true
     JAVAC_SERVERS="$OUTPUT_ROOT/javacservers"
 else
     JAVAC_USE_REMOTE=false
     JAVAC_SERVERS=
 fi
 AC_SUBST(JAVAC_USE_REMOTE)
 AC_SUBST(JAVAC_SERVERS)
 AC_ARG_WITH(javac-server-cores, [AS_HELP_STRING([--with-javac-server-cores],
 	[use at most this number of concurrent threads on the javac server @<:@probed@:>@])])
 if test "x$with_javac_server_cores" != x; then
     JAVAC_SERVER_CORES="$with_javac_server_cores"
 else
     if test "$NUM_CORES" -gt 16; then
         # We set this arbitrary limit because we want to limit the heap
         # size of the javac server.
         # In the future we will make the javac compilers in the server
         # share more and more state, thus enabling us to use more and
         # more concurrent threads in the server.
         JAVAC_SERVER_CORES="16"
     else
         JAVAC_SERVER_CORES="$NUM_CORES"
     fi
     if test "$MEMORY_SIZE" -gt "17000"; then
         MAX_HEAP_MEM=10000
         ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xmn2G],SERVER_JAVA,[$SERVER_JAVA])
     elif test "$MEMORY_SIZE" -gt "10000"; then
         MAX_HEAP_MEM=6000
         ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xmn1G],SERVER_JAVA,[$SERVER_JAVA])
     elif test "$MEMORY_SIZE" -gt "5000"; then
         MAX_HEAP_MEM=3000
         ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
     elif test "$MEMORY_SIZE" -gt "3800"; then
         MAX_HEAP_MEM=2500
         ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
     elif test "$MEMORY_SIZE" -gt "1900"; then
         MAX_HEAP_MEM=1200
         ADD_JVM_ARG_IF_OK([-Xms700M -Xmx1200M],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
     elif test "$MEMORY_SIZE" -gt "1000"; then
         MAX_HEAP_MEM=900
         ADD_JVM_ARG_IF_OK([-Xms400M -Xmx900M],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xmn128M],SERVER_JAVA,[$SERVER_JAVA])
     else
         MAX_HEAP_MEM=512
         ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SERVER_JAVA,[$SERVER_JAVA])
         ADD_JVM_ARG_IF_OK([-Xmn128M],SERVER_JAVA,[$SERVER_JAVA])
     fi
     MAX_COMPILERS_IN_HEAP=`expr $MAX_HEAP_MEM / 501`
     if test "$JAVAC_SERVER_CORES" -gt "$MAX_COMPILERS_IN_HEAP"; then
         AC_MSG_CHECKING([if number of server cores must be reduced])
         JAVAC_SERVER_CORES="$MAX_COMPILERS_IN_HEAP"
         AC_MSG_RESULT([yes, to $JAVAC_SERVER_CORES with max heap size $MAX_HEAP_MEM MB])
     fi
 fi
 AC_SUBST(JAVAC_SERVER_CORES)
 AC_MSG_CHECKING([whether to track dependencies between Java packages])
 AC_ARG_ENABLE([javac-deps], [AS_HELP_STRING([--enable-javac-deps],
 	[enable the dependency tracking between Java packages @<:@disabled@:>@])],
 	[ENABLE_JAVAC_DEPS="${enableval}"], [ENABLE_JAVAC_DEPS='no'])
 AC_MSG_RESULT([$ENABLE_JAVAC_DEPS])
 if test "x$ENABLE_JAVAC_DEPS" = xyes; then
     JAVAC_USE_DEPS=true
 else
     JAVAC_USE_DEPS=false
 fi
 AC_SUBST(JAVAC_USE_DEPS)
 AC_MSG_CHECKING([whether to use multiple cores for javac compilation])
 AC_ARG_ENABLE([javac-multi-core], [AS_HELP_STRING([--enable-javac-multi-core],
 	[compile Java packages concurrently @<:@disabled@:>@])],
 	[ENABLE_JAVAC_MULTICORE="${enableval}"], [ENABLE_JAVAC_MULTICORE='no'])
 AC_MSG_RESULT([$ENABLE_JAVAC_MULTICORE])
 if test "x$ENABLE_JAVAC_MULTICORE" = xyes; then
     JAVAC_USE_MODE=MULTI_CORE_CONCURRENT
 else
     JAVAC_USE_MODE=SINGLE_THREADED_BATCH
     if test "x$ENABLE_JAVAC_DEPS" = xyes; then
         AC_MSG_WARN([Dependency tracking is not supported with single threaded batch compiles of Java source roots. Please add --disable-javac-deps to your configure options.])
         AC_MSG_WARN([Disabling dependency tracking for you now.])
         JAVAC_USE_DEPS=false
     fi
     if test "x$ENABLE_JAVAC_SERVER" = xyes; then
         AC_MSG_WARN([The javac server will not be used since single threaded batch compiles are run within their own JVM. Please add --disable-javac-server to your configure options.])
         AC_MSG_WARN([Disabling javac server for you now.])
         JAVAC_USE_REMOTE=false
     fi
 fi
 AC_SUBST(JAVAC_USE_MODE)
 ###############################################################################
 #
 # OS specific settings that we never will need to probe.
 #
 if test "x$HOST_OS" = xlinux; then
     AC_MSG_CHECKING([what is not needed on Linux?])
     PULSE_NOT_NEEDED=yes
     AC_MSG_RESULT([pulse])
 fi
 if test "x$HOST_OS" = xsolaris; then
     AC_MSG_CHECKING([what is not needed on Solaris?])
     ALSA_NOT_NEEDED=yes
     PULSE_NOT_NEEDED=yes
     AC_MSG_RESULT([alsa pulse])
 fi
 if test "x$HOST_OS" = xwindows; then
     AC_MSG_CHECKING([what is not needed on Windows?])
     CUPS_NOT_NEEDED=yes
     ALSA_NOT_NEEDED=yes
     PULSE_NOT_NEEDED=yes
     X11_NOT_NEEDED=yes
     AC_MSG_RESULT([alsa cups pulse x11])
 fi
 if test "x$HOST_OS" = xmacosx; then
     AC_MSG_CHECKING([what is not needed on MacOSX?])
     ALSA_NOT_NEEDED=yes
     PULSE_NOT_NEEDED=yes
     X11_NOT_NEEDED=yes
     FREETYPE2_NOT_NEEDED=yes
     # If the java runtime framework is disabled, then we need X11.
     # This will be adjusted below.
     AC_MSG_RESULT([alsa pulse x11])
 fi
 if test "x$HOST_OS" = xbsd; then
     AC_MSG_CHECKING([what is not needed on bsd?])
     ALSA_NOT_NEEDED=yes
     AC_MSG_RESULT([alsa])
 fi
 ###############################################################################
 #
 # Check for MacOSX support for OpenJDK. If this exists, try to build a JVM
 # that uses this API.
 #
 AC_ARG_ENABLE([macosx-runtime-support], [AS_HELP_STRING([--disable-macosx-runtime-support],
 	[disable the use of MacOSX Java runtime support framework @<:@enabled@:>@])],
 	[MACOSX_RUNTIME_SUPPORT="${enableval}"],[MACOSX_RUNTIME_SUPPORT="no"])
 USE_MACOSX_RUNTIME_SUPPORT=no
 AC_MSG_CHECKING([for explicit Java runtime support in the OS])
 if test -f /System/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework/Headers/JavaRuntimeSupport.h; then
     if test "x$MACOSX_RUNTIME_SUPPORT" != xno; then
         MACOSX_RUNTIME_SUPPORT=yes
         USE_MACOSX_RUNTIME_SUPPORT=yes
         AC_MSG_RESULT([yes, does not need alsa freetype2 pulse and X11])
     else
         AC_MSG_RESULT([yes, but explicitly disabled.])
     fi
 else
     AC_MSG_RESULT([no])
 fi
 if test "x$HOST_OS" = xmacosx && test "x$USE_MACOSX_RUNTIME_SUPPORT" = xno; then
     AC_MSG_CHECKING([what is not needed on an X11 build on MacOSX?])
     X11_NOT_NEEDED=
     FREETYPE2_NOT_NEEDED=
     AC_MSG_RESULT([alsa pulse])
 fi
 ###############################################################################
 #
 # Check for X Windows
 #
 AC_PATH_XTRA
 if test "x$no_x" = xyes && test "x$X11_NOT_NEEDED" != xyes; then
     help_on_build_dependency x11
     AC_ERROR([Could not find X11 libraries. $HELP_MSG])
 fi
 AC_SUBST(X_CFLAGS)
 AC_SUBST(X_LIBS)
 # Some of the old makefiles require a setting of OPENWIN_HOME
 # Since the X11R6 directory has disappeared on later Linuxes,
 # we need to probe for it.
 if test "x$HOST_OS" = xlinux; then
     if test -d "$SYS_ROOT/usr/X11R6"; then
         OPENWIN_HOME="$SYS_ROOT/usr/X11R6"
     fi
     if test -d "$SYS_ROOT/usr/include/X11"; then
         OPENWIN_HOME="$SYS_ROOT/usr"
     fi
 fi
 if test "x$HOST_OS" = xsolaris; then
     OPENWIN_HOME="/usr/openwin"
 fi
 AC_SUBST(OPENWIN_HOME)
 AC_LANG_PUSH(C)
 OLD_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS $X_CFLAGS"
 AC_CHECK_HEADERS([X11/extensions/shape.h X11/extensions/Xrender.h X11/extensions/XTest.h],
                 [X11_A_OK=yes],
                 [X11_A_OK=no])
 CFLAGS="$OLD_CFLAGS"
 AC_LANG_POP(C)
 if test "x$X11_A_OK" = xno && test "x$X11_NOT_NEEDED" != xyes; then
     help_on_build_dependency x11
     AC_ERROR([Could not find all X11 headers (shape.h Xrender.h XTest.h). $HELP_MSG])
 fi
 ###############################################################################
 #
 # The common unix printing system cups is used to print from java.
 #
 AC_ARG_WITH(cups, [AS_HELP_STRING([--with-cups],
     [specify prefix directory for the cups package
 	 (expecting the libraries under PATH/lib and the headers under PATH/include)])])
 AC_ARG_WITH(cups-include, [AS_HELP_STRING([--with-cups-include],
 	[specify directory for the cups include files])])
 AC_ARG_WITH(cups-lib, [AS_HELP_STRING([--with-cups-lib],
 	[specify directory for the cups library])])
 if test "x$CUPS_NOT_NEEDED" = xyes; then
 	if test "x$with_cups" != x || test "x$with_cups-include" != x || test "x$with_cups-lib" != x; then
 		AC_MSG_WARN([cups not used, so --with-cups is ignored])
 	fi
 	CUPS_CFLAGS=
 	CUPS_LIBS=
 else
 	CUPS_FOUND=no
 	if test "x$with_cups" = xno || test "x$with_cups-include" = xno || test "x$with_cups-lib" = xno; then
 	    AC_ERROR([It is not possible to disable the use of cups. Remove the --without-cups option.])
 	fi
 	if test "x$with_cups" != x; then
 	    CUPS_LIBS="-L$with_cups/lib -lcups"
 	    CUPS_CFLAGS="-I$with_cups/include"
 	    CUPS_FOUND=yes
 	fi
 	if test "x$with_cups-include" != x; then
 	    CUPS_CFLAGS="-I$with_cups-include"
 	    CUPS_FOUND=yes
 	fi
 	if test "x$with_cups-lib" != x; then
 	    CUPS_LIBS="-L$with_cups-lib -lcups"
 	    CUPS_FOUND=yes
 	fi
 	if test "x$CUPS_FOUND" = xno; then
 	    BDEPS_CHECK_MODULE(CUPS, cups, xxx, [CUPS_FOUND=yes])
 	fi
 	if test "x$CUPS_FOUND" = xno; then
 	    # Are the cups headers installed in the default /usr/include location?
 	    AC_CHECK_HEADERS([cups/cups.h cups/ppd.h],
 	                     [CUPS_FOUND=yes
 	                      CUPS_CFLAGS=
 	                      CUPS_LIBS="-lcups"
 	                      DEFAULT_CUPS=yes])
 	fi
 	if test "x$CUPS_FOUND" = xno; then
 	    # Getting nervous now? Lets poke around for standard Solaris third-party
 	    # package installation locations.
 	    AC_MSG_CHECKING([for cups headers and libs])
 	    if test -s /opt/sfw/cups/include/cups/cups.h; then
 	       # An SFW package seems to be installed!
 	       CUPS_FOUND=yes
 	       CUPS_CFLAGS="-I/opt/sfw/cups/include"
 	       CUPS_LIBS="-L/opt/sfw/cups/lib -lcups"
 	    elif test -s /opt/csw/include/cups/cups.h; then
 	       # A CSW package seems to be installed!
 	       CUPS_FOUND=yes
 	       CUPS_CFLAGS="-I/opt/csw/include"
 	       CUPS_LIBS="-L/opt/csw/lib -lcups"
 	    fi
 	    AC_MSG_RESULT([$CUPS_FOUND])
 	fi
 	if test "x$CUPS_FOUND" = xno; then
 	    help_on_build_dependency cups
 	    AC_ERROR([Could not find cups! $HELP_MSG ])
 	fi
 fi
 AC_SUBST(CUPS_CFLAGS)
 AC_SUBST(CUPS_LIBS)
 ###############################################################################
 #
 # The ubiquitous freetype2 library is used to render fonts.
 #
 AC_ARG_WITH(freetype, [AS_HELP_STRING([--with-freetype],
 	[specify prefix directory for the freetype2 package
      (expecting the libraries under PATH/lib and the headers under PATH/include)])])
 # If we are using the OS installed system lib for freetype, then we do not need to copy it to the build tree
 USING_SYSTEM_FT_LIB=false
 if test "x$FREETYPE2_NOT_NEEDED" = xyes; then
 	if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x; then
 		AC_MSG_WARN([freetype not used, so --with-freetype is ignored])
 	fi
 	FREETYPE2_CFLAGS=
 	FREETYPE2_LIBS=
         FREETYPE2_LIB_PATH=
 else
 	FREETYPE2_FOUND=no
 	if test "x$with_freetype" != x; then
             SPACESAFE(with_freetype,[the path to freetype])
 	    FREETYPE2_LIBS="-L$with_freetype/lib -lfreetype"
             if test "x$HOST_OS" = xwindows; then
                 FREETYPE2_LIBS="$with_freetype/lib/freetype.lib"
             fi
             FREETYPE2_LIB_PATH="$with_freetype/lib"
 	    FREETYPE2_CFLAGS="-I$with_freetype/include"
             if test -s $with_freetype/include/ft2build.h && test -d $with_freetype/include/freetype2/freetype; then
                 FREETYPE2_CFLAGS="-I$with_freetype/include/freetype2 -I$with_freetype/include"
             fi
 	    FREETYPE2_FOUND=yes
    	    if test "x$FREETYPE2_FOUND" = xyes; then
 	        # Verify that the directories exist
                 if ! test -d "$with_freetype/lib" || ! test -d "$with_freetype/include"; then
 		   AC_ERROR([Could not find the expected directories $with_freetype/lib and $with_freetype/include])
 		fi
 	        # List the contents of the lib.
 		FREETYPELIB=`ls $with_freetype/lib/libfreetype.so $with_freetype/lib/freetype.dll 2> /dev/null`
                 if test "x$FREETYPELIB" = x; then
 		   AC_ERROR([Could not find libfreetype.se nor freetype.dll in $with_freetype/lib])
 		fi
 	        # Check one h-file
                 if ! test -s "$with_freetype/include/ft2build.h"; then
 		   AC_ERROR([Could not find $with_freetype/include/ft2build.h])
 		fi
             fi
         fi
 	if test "x$FREETYPE2_FOUND" = xno; then
 	    BDEPS_CHECK_MODULE(FREETYPE2, freetype2, xxx, [FREETYPE2_FOUND=yes], [FREETYPE2_FOUND=no])
             USING_SYSTEM_FT_LIB=true
 	fi
 	if test "x$FREETYPE2_FOUND" = xno; then
 	    PKG_CHECK_MODULES(FREETYPE2, freetype2, [FREETYPE2_FOUND=yes], [FREETYPE2_FOUND=no])
             USING_SYSTEM_FT_LIB=true
 	fi
 	if test "x$FREETYPE2_FOUND" = xno; then
 	    AC_MSG_CHECKING([for freetype in some standard locations])
 	    if test -s /usr/X11/include/ft2build.h && test -d /usr/X11/include/freetype2/freetype; then
 	        DEFAULT_FREETYPE_CFLAGS="-I/usr/X11/include/freetype2 -I/usr/X11/include"
 	        DEFAULT_FREETYPE_LIBS="-L/usr/X11/lib -lfreetype"
 	    fi
 	    if test -s /usr/include/ft2build.h && test -d /usr/include/freetype2/freetype; then
 	        DEFAULT_FREETYPE_CFLAGS="-I/usr/include/freetype2"
 	        DEFAULT_FREETYPE_LIBS="-lfreetype"
 	    fi
 	    PREV_CXXCFLAGS="$CXXFLAGS"
 	    PREV_LDFLAGS="$LDFLAGS"
 	    CXXFLAGS="$CXXFLAGS $DEFAULT_FREETYPE_CFLAGS"
 	    LDFLAGS="$LDFLAGS $DEFAULT_FREETYPE_LIBS"
 	    AC_LINK_IFELSE([AC_LANG_SOURCE([[#include<ft2build.h>
 	                    #include FT_FREETYPE_H
 	                   int main() { return 0; }
 	                  ]])],
 	                  [
 	                      # Yes, the default cflags and libs did the trick.
 	                      FREETYPE2_FOUND=yes
 	                      FREETYPE2_CFLAGS="$DEFAULT_FREETYPE_CFLAGS"
 	                      FREETYPE2_LIBS="$DEFAULT_FREETYPE_LIBS"
 	                  ],
 	                  [
 	                      FREETYPE2_FOUND=no
 	                  ])
             CXXCFLAGS="$PREV_CXXFLAGS"
 	    LDFLAGS="$PREV_LDFLAGS"
 	    AC_MSG_RESULT([$FREETYPE2_FOUND])
             USING_SYSTEM_FT_LIB=true
 	fi
 	if test "x$FREETYPE2_FOUND" = xno; then
 		help_on_build_dependency freetype2
 		AC_ERROR([Could not find freetype2! $HELP_MSG ])
 	fi
 fi
 AC_SUBST(USING_SYSTEM_FT_LIB)
 AC_SUBST(FREETYPE2_LIB_PATH)
 AC_SUBST(FREETYPE2_CFLAGS)
 AC_SUBST(FREETYPE2_LIBS)
 ###############################################################################
 #
 # Check for alsa headers and libraries. Used on Linux/GNU systems.
 #
 AC_ARG_WITH(alsa, [AS_HELP_STRING([--with-alsa],
 	[specify prefix directory for the alsa package
 	 (expecting the libraries under PATH/lib and the headers under PATH/include)])])
 AC_ARG_WITH(alsa-include, [AS_HELP_STRING([--with-alsa-include],
 	[specify directory for the alsa include files])])
 AC_ARG_WITH(alsa-lib, [AS_HELP_STRING([--with-alsa-lib],
 	[specify directory for the alsa library])])
 if test "x$ALSA_NOT_NEEDED" = xyes; then
 	if test "x$with_alsa" != x || test "x$with_alsa-include" != x || test "x$with_alsa-lib" != x; then
 		AC_MSG_WARN([alsa not used, so --with-alsa is ignored])
 	fi
 	ALSA_CFLAGS=
 	ALSA_LIBS=
 else
 	ALSA_FOUND=no
 	if test "x$with_alsa" = xno || test "x$with_alsa-include" = xno || test "x$with_alsa-lib" = xno; then
 	    AC_ERROR([It is not possible to disable the use of alsa. Remove the --without-alsa option.])
 	fi
 	if test "x$with_alsa" != x; then
 	    ALSA_LIBS="-L$with_alsa/lib -lalsa"
 	    ALSA_CFLAGS="-I$with_alsa/include"
 	    ALSA_FOUND=yes
 	fi
 	if test "x$with_alsa-include" != x; then
 	    ALSA_CFLAGS="-I$with_alsa/include"
 	    ALSA_FOUND=yes
 	fi
 	if test "x$with_alsa-lib" != x; then
 	    ALSA_LIBS="-L$with_alsa/lib -lalsa"
 	    ALSA_FOUND=yes
 	fi
 	if test "x$ALSA_FOUND" = xno; then
 	    BDEPS_CHECK_MODULE(ALSA, alsa, xxx, [ALSA_FOUND=yes], [ALSA_FOUND=no])
 	fi
 	if test "x$ALSA_FOUND" = xno; then
 	    PKG_CHECK_MODULES(ALSA, alsa, [ALSA_FOUND=yes], [ALSA_FOUND=no])
 	fi
 	if test "x$ALSA_FOUND" = xno; then
 	    AC_CHECK_HEADERS([alsa/asoundlib.h],
 	                     [ALSA_FOUND=yes
 	                      ALSA_CFLAGS=-Iignoreme
 	                      ALSA_LIBS=-lasound
 	                      DEFAULT_ALSA=yes],
 	                     [ALSA_FOUND=no])
 	fi
 	if test "x$ALSA_FOUND" = xno; then
 	    help_on_build_dependency alsa
 	    AC_ERROR([Could not find alsa! $HELP_MSG ])
 	fi
 fi
 AC_SUBST(ALSA_CFLAGS)
 AC_SUBST(ALSA_LIBS)
 ###############################################################################
 #
 # Check for pulse audio headers and libraries.
 #
 PULSE_FOUND=no
 AC_ARG_WITH(pulse, [AS_HELP_STRING([--with-pulse],
 	[specify prefix directory for the pulseaudio package
 	 (expecting the libraries under PATH/lib and the headers under PATH/include)])])
 AC_ARG_WITH(pulse-include, [AS_HELP_STRING([--with-pulse-include],
 	[specify directory for the pulseaudio include files])])
 AC_ARG_WITH(pulse-lib, [AS_HELP_STRING([--with-pulse-lib],
 	[specify directory for the pulseaudio library])])
 if test "x$with_pulse" != x; then
     PULSE_LIBS="-L$with_pulse/lib -lfreetype"
     PULSE_CFLAGS="-I$with_pulse/include"
     PULSE_FOUND=yes
 fi
 if test "x$with_pulse-include" != x; then
     PULSE_CFLAGS="-I$with_pulse/include"
     PULSE_FOUND=yes
 fi
 if test "x$with_pulse-lib" != x; then
     PULSE_LIBS="-L$with_pulse/lib -lfreetype"
     PULSE_FOUND=yes
 fi
 if test "x$PULSE_FOUND" = xno; then
     BDEPS_CHECK_MODULE(PULSE, pulse, xxx, [PULSE_FOUND=yes], [PULSE_FOUND=no])
 fi
 if test "x$PULSE_FOUND" = xno; then
     PKG_CHECK_MODULES(LIBPULSE,[libpulse >= 0.9.11],[PULSE_FOUND=yes],[PULSE_FOUND=no])
 fi
 if test "x$PULSE_FOUND" = xno; then
     AC_CHECK_HEADERS([pulse/pulseaudio.h],
                      [PULSE_FOUND=yes
                       PULSE_CFLAGS=-Iignoreme
                       PULSE_LIBS=
                       DEFAULT_PULSE=yes],
                      [PULSE_FOUND=no])
 fi
 if test "x$PULSE_FOUND" = xno && test "x$PULSE_NOT_NEEDED" != xyes; then
     help_on_build_dependency pulse
     AC_ERROR([Could not find pulse audio libraries. $HELP_MSG ])
 fi
 AC_SUBST(PULSE_CFLAGS)
 AC_SUBST(PULSE_LIBS)
 ###############################################################################
 #
 # Check for the jpeg library
 #
 USE_EXTERNAL_LIBJPEG=true
 AC_CHECK_LIB(jpeg, main, [],
              [ USE_EXTERNAL_LIBJPEG=false
                AC_MSG_NOTICE([Will use jpeg decoder bundled with the OpenJDK source])
              ])
 AC_SUBST(USE_EXTERNAL_LIBJPEG)
 ###############################################################################
 #
 # Check for the gif library
 #
 USE_EXTERNAL_LIBJPEG=true
 AC_CHECK_LIB(gif, main, [],
              [ USE_EXTERNAL_LIBGIF=false
                AC_MSG_NOTICE([Will use gif decoder bundled with the OpenJDK source])
              ])
 AC_SUBST(USE_EXTERNAL_LIBGIF)
 ###############################################################################
 #
 # Check for the zlib library
 #
 USE_EXTERNAL_LIBZ=true
 AC_CHECK_LIB(z, main, [],
              [ USE_EXTERNAL_LIBZ=false
                AC_MSG_NOTICE([Will use zlib bundled with the OpenJDK source])
              ])
 AC_SUBST(USE_EXTERNAL_LIBZ)
 ###############################################################################
 #
 # Check if altzone exists in time.h
 #
 AC_TRY_LINK([#include <time.h>], [return (int)altzone;],
             has_altzone=yes,
             has_altzone=no)
 if test "x$has_altzone" = xyes; then
     AC_DEFINE([HAVE_ALTZONE], 1, [Define if you have the external 'altzone' variable in time.h])
 fi
 ###############################################################################
 #
 # Check the maths library
 #
 AC_CHECK_LIB(m, main, [],
              [
                   AC_MSG_NOTICE([Maths library was not found])
              ])
 AC_SUBST(LIBM)
 ###############################################################################
 #
 # Should we run the painfully slow javadoc tool?
 #
 AC_MSG_CHECKING([whether to build documentation])
 AC_ARG_ENABLE([docs], [AS_HELP_STRING([--enable-docs],
 	[enable generation of Javadoc documentation @<:@disabled@:>@])],
 	[ENABLE_DOCS="${enableval}"], [ENABLE_DOCS='no'])
 AC_MSG_RESULT([$ENABLE_DOCS])
 AC_SUBST(ENABLE_DOCS)
 GENERATE_DOCS=false
 if test "x$ENABLE_DOCS" = xyes; then
     GENERATE_DOCS=true
 fi
 AC_SUBST(GENERATE_DOCS)
 ###############################################################################
 #
 # Should we compile nimbus swing L&F? We can probably remove this option
 # since nimbus is officially part of javax now.
 #
 AC_MSG_CHECKING([whether to build nimbus L&F])
 AC_ARG_ENABLE([nimbus], [AS_HELP_STRING([--disable-nimbus],
 	[disable Nimbus L&F @<:@enabled@:>@])],
 	[ENABLE_NIMBUS="${enableval}"], [ENABLE_NIMBUS='yes'])
 AC_MSG_RESULT([$ENABLE_NIMBUS])
 DISABLE_NIMBUS=
 if test "x$ENABLE_NIMBUS" = xno; then
     DISABLE_NIMBUS=true
 fi
 AC_SUBST(DISABLE_NIMBUS)
 ###############################################################################
 #
 # Setup the opt flags for different compilers
 # and different operating systems.
 #
 case $COMPILER_TYPE in
   CC )
     D_FLAG="-g"
     case $COMPILER_NAME in
       gcc )
       	case $PLATFORM in
 	  macosx )
 	    # On MacOSX we optimize for size, something
 	    # we should do for all platforms?
 	    C_O_FLAG_HI="-O3"
 	    C_O_FLAG_NORM="-Os"
 	    C_O_FLAG_NONE="-O0"
 	    ;;
 	  *)
 	    C_O_FLAG_HI="-O3"
 	    C_O_FLAG_NORM="-O2"
 	    C_O_FLAG_NONE="-O0"
 	    ;;
 	esac
         CXX_O_FLAG_HI="$C_O_FLAG_HI"
         CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
         CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
         ;;
       ossc )
         case $LEGACY_HOST_CPU1 in
           i586)
             C_O_FLAG_HI="-xO4 -Wu,-O4~yz"
             C_O_FLAG_NORM="-xO2 -Wu,-O2~yz"
             C_O_FLAG_NONE=""
             CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz"
             CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz"
             CXX_O_FLAG_NONE=""
             ;;
           sparc)
             C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
             C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
             C_O_FLAG_NONE=""
             CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
             CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
             CXX_O_FLAG_NONE=""
             ;;
         esac
     esac
     ;;
   CL )
     D_FLAG=
     C_O_FLAG_HI="-O2"
     C_O_FLAG_NORM="-O1"
     C_O_FLAG_NONE="-Od"
     CXX_O_FLAG_HI="$C_O_FLAG_HI"
     CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
     CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
     ;;
 esac
 AC_SUBST(C_O_FLAG_HI)
 AC_SUBST(C_O_FLAG_NORM)
 AC_SUBST(C_O_FLAG_NONE)
 AC_SUBST(CXX_O_FLAG_HI)
 AC_SUBST(CXX_O_FLAG_NORM)
 AC_SUBST(CXX_O_FLAG_NONE)
 ###############################################################################
 #
 # Setup legacy vars/targets and new vars to deal with different debug levels.
 #
 case $DEBUG_LEVEL in
       release )
               HOTSPOT_DEBUG_LEVEL="product"
               HOTSPOT_EXPORT="product"
               ;;
       fastdebug )
               HOTSPOT_DEBUG_LEVEL="fastdebug"
               HOTSPOT_EXPORT="fastdebug"
               CFLAGS="$CFLAGS $D_FLAG"
               JAVAC_FLAGS="$JAVAC_FLAGS -g"
               ;;
       slowdebug )
               HOTSPOT_DEBUG_LEVEL="jvmg"
               HOTSPOT_EXPORT="debug"
               CFLAGS="$CFLAGS $D_FLAG"
 	      C_O_FLAG_HI="$C_O_FLAG_NONE"
 	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
 	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
 	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
               JAVAC_FLAGS="$JAVAC_FLAGS -g"
               ;;
 esac
 ###############################################################################
 #
 # Generate the legacy makefile targets for hotspot.
 # The hotspot api for selecting the build artifacts, really, needs to be improved.
 #
 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$JVM_VARIANT_KERNEL" = xtrue; then
     HOTSPOT_TARGET="$HOTSPOT_TARGET${HOTSPOT_DEBUG_LEVEL}kernel "
 fi
 if test "x$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${HOTSPOT_DEBUG_LEVEL}shark "
 fi
 HOTSPOT_TARGET="$HOTSPOT_TARGET docs export_$HOTSPOT_EXPORT"
 ###############################################################################
 #
 # Setup all directories for the subrepoes and the arguments to the sub makes.
 #
 LANGTOOLS_OUTPUTDIR="$OUTPUT_ROOT/langtools"
 LANGTOOLS_DIST="$OUTPUT_ROOT/langtools/dist"
 LANGTOOLS_MAKE_ARGS=""
 AC_SUBST(LANGTOOLS_OUTPUTDIR)
 AC_SUBST(LANGTOOLS_DIST)
 AC_SUBST(LANGTOOLS_MAKE_ARGS)
 CORBA_OUTPUTDIR="$OUTPUT_ROOT/corba"
 CORBA_DIST="$OUTPUT_ROOT/corba/dist"
 CORBA_MAKE_ARGS=""
 AC_SUBST(CORBA_OUTPUTDIR)
 AC_SUBST(CORBA_DIST)
 AC_SUBST(CORBA_MAKE_ARGS)
 JAXP_OUTPUTDIR="$OUTPUT_ROOT/jaxp"
 JAXP_DIST="$OUTPUT_ROOT/jaxp/dist"
 JAXP_MAKE_ARGS=""
 AC_SUBST(JAXP_OUTPUTDIR)
 AC_SUBST(JAXP_DIST)
 AC_SUBST(JAXP_MAKE_ARGS)
 JAXWS_OUTPUTDIR="$OUTPUT_ROOT/jaxws"
 JAXWS_DIST="$OUTPUT_ROOT/jaxws/dist"
 JAXWS_MAKE_ARGS=""
 AC_SUBST(JAXWS_OUTPUTDIR)
 AC_SUBST(JAXWS_DIST)
 AC_SUBST(JAXWS_MAKE_ARGS)
 HOTSPOT_OUTPUTDIR="$OUTPUT_ROOT/hotspot"
 HOTSPOT_DIST="$OUTPUT_ROOT/hotspot/dist"
 HOTSPOT_MAKE_ARGS="ALT_OUTPUTDIR=$HOTSPOT_OUTPUTDIR ALT_EXPORT_PATH=$HOTSPOT_DIST $HOTSPOT_TARGET"
 AC_SUBST(HOTSPOT_OUTPUTDIR)
 AC_SUBST(HOTSPOT_DIST)
 AC_SUBST(HOTSPOT_MAKE_ARGS)
 JDK_OUTPUTDIR="$OUTPUT_ROOT/jdk"
 JDK_MAKE_ARGS="ALT_OUTPUTDIR=\"$OUTPUT_ROOT/jdk\""
 AC_SUBST(JDK_OUTPUTDIR)
 AC_SUBST(JDK_MAKE_ARGS)
 IMAGES_OUTPUTDIR=$OUTPUT_ROOT/images
 IMAGES_MAKE_ARGS="ALT_OUTPUTDIR=$OUTPUT_ROOT/jdk \
                   SHARE_SRC=$JDK_TOPDIR/src/share \
                   PLATFORM_SRC=$JDK_TOPDIR/src/$LEGACY_HOST_OS_API \
                   TEMPDIR=$IMAGES_OUTPUTDIR/tmp \
                   ABS_TEMPDIR=$IMAGES_OUTPUTDIR/tmp "
 AC_SUBST(IMAGES_OUTPUTDIR)
 AC_SUBST(IMAGES_MAKE_ARGS)
 ###############################################################################
 #
 # Now setup the CFLAGS and LDFLAGS for the JDK build.
 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
 #
 case $COMPILER_NAME in
       gcc )
       	  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses -pipe -fno-omit-frame-pointer \
                           -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
           CFLAGS_JDK="$CFLAGS_JDK -fno-strict-aliasing"
           ;;
       ossc )
       	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa REQUIRED -v -mt -norunpath -xnolib"
       	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt REQUIRED -features=no%except -DCC_NOEX"
           ;;
       cl )
           CCXXFLAGS_JDK="$CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
                -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
 	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
 	       -DWIN32 -DIAL"
           case $LEGACY_HOST_CPU1 in
               i?86 )
                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
                   ;;
               amd64 )
                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
                   ;;
           esac
           ;;
 esac
 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
 # The package path is used only on macosx?
 PACKAGE_PATH=/opt/local
 AC_SUBST(PACKAGE_PATH)
 # Sometimes we use a cpu dir (.../lib/amd64/server)
 # Sometimes not (.../lib/server)
 LIBARCHDIR="$LEGACY_HOST_CPU2/"
 if test "x$ENDIAN" = xlittle; then
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
 else
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
 fi
 if test "x$HOST_OS" = xlinux; then
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
 fi
 if test "x$HOST_OS" = xwindows; then
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
 fi
 if test "x$HOST_OS" = xsolaris; then
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
 fi
 if test "x$HOST_OS" = xmacosx; then
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
     LIBARCHDIR=""
 fi
 if test "x$HOST_OS" = xbsd; then
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
 fi
 if test "x$DEBUG_LEVEL" = xrelease; then
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
 else
     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
 fi
 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$LEGACY_HOST_CPU1\"' -D$LEGACY_HOST_CPU1"
 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
         -I${JDK_OUTPUTDIR}/include \
         -I${JDK_OUTPUTDIR}/include/$PLATFORM \
         -I${JDK_TOPDIR}/src/share/javavm/export \
         -I${JDK_TOPDIR}/src/$LEGACY_HOST_OS_API/javavm/export \
         -I${JDK_TOPDIR}/src/share/native/common \
         -I${JDK_TOPDIR}/src/$LEGACY_HOST_OS_API/native/common"
 # The shared libraries are compiled using the picflag.
 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG"
 # Executable flags
 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
 # Now this is odd. The JDK native libraries have to link against libjvm.so
 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
 # libraries will link to whatever is in memory. Yuck.
 #
 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
 if test "x$COMPILER_TYPE" = xCL; then
     LDFLAGS_JDKLIB="$LDFLAGS -libpath:${JDK_OUTPUTDIR}/lib jvm.lib java.lib"
     LDFLAGS_JDKLIB_SUFFIX=""
     if test "x$HOST_CPU_BITS" = "x64"; then
         LDFLAGS_JDKEXE="$CFLAGS ${JDK_OUTPUTDIR}/tmp/java/jli/obj64/jli.lib"
     else
         LDFLAGS_JDKEXE="$CFLAGS ${JDK_OUTPUTDIR}/tmp/java/jli/obj/jli.lib"
     fi
     LDFLAGS_JDKEXE_SUFFIX=""
 else
     # If this is a --hash-style=gnu system, use --hash-style=both, why?
     HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
     if test -n "$HAS_GNU_HASH"; then
         # And since we now know that the linker is gnu, then add -z defs, to forbid
         # undefined symbols in object files.
         LDFLAGS="$LDFLAGS -Xlinker --hash-style=both -Xlinker -z -Xlinker defs"
         if test "x$DEBUG_LEVEL" == "xrelease"; then
             # When building release libraries, tell the linker optimize them.
             # Should this be supplied to the OSS linker as well?
             LDFLAGS="$LDFLAGS -Xlinker -O1"
         fi
     fi
     LDFLAGS_JDKLIB="$LDFLAGS $SHARED_LIBRARY_FLAGS -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}server \
                     -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}client \
   	            -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}"
     LDFLAGS_JDKLIB_SUFFIX="-ljvm -ljava"
     if test "x$COMPILER_NAME" = xossc; then
         LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
     fi
     # Only the jli library is explicitly linked when the launchers are built.
     # The libjvm is then dynamically loaded/linked by the launcher.
     LDFLAGS_JDKEXE="$LDFLAGS -L${JDK_OUTPUTDIR}/lib/${LIBARCHDIR}jli"
     LDFLAGS_JDKEXE_SUFFIX="-ljli"
 fi
 AC_SUBST(CFLAGS_JDKLIB)
 AC_SUBST(CFLAGS_JDKEXE)
 AC_SUBST(CXXFLAGS_JDKLIB)
 AC_SUBST(CXXFLAGS_JDKEXE)
 AC_SUBST(LDFLAGS_JDKLIB)
 AC_SUBST(LDFLAGS_JDKEXE)
 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
 ###############################################################################
 #
 # statically link libstdc++ before C++ ABI is stablized on Linux unless
 # dynamic build is configured on command line.
 #
 AC_ARG_ENABLE([static-link-stdc++], [AS_HELP_STRING([--disable-static-link-stdc++],
 	[disable static linking of the C++ runtime on Linux @<:@enabled@:>@])],,
 	[
 		enable_static_link_stdc__=yes
     ])
 if test "x$HOST_OS" = xlinux; then
     # Test if -lstdc++ works.
     AC_MSG_CHECKING([if dynamic link of stdc++ is possible])
     AC_LANG_PUSH(C++)
     OLD_CXXFLAGS="$CXXFLAGS"
     CXXFLAGS="$CXXFLAGS -lstdc++"
     AC_TRY_LINK([], [return 0;],
             has_dynamic_libstdcxx=yes,
             has_dynamic_libstdcxx=no)
     CXXFLAGS="$OLD_CXXFLAGS"
     AC_LANG_POP(C++)
     AC_MSG_RESULT([$has_dynamic_libstdcxx])
     # Test if stdc++ can be linked statically.
     AC_MSG_CHECKING([if static link of stdc++ is possible])
     STATIC_STDCXX_FLAGS="-Wl,-Bstatic -lstdc++ -lgcc -Wl,-Bdynamic"
     AC_LANG_PUSH(C++)
     OLD_LIBS="$LIBS"
     OLD_CXX="$CXX"
     LIBS="$STATIC_STDCXX_FLAGS"
     CXX="$CC"
     AC_TRY_LINK([], [return 0;],
             has_static_libstdcxx=yes,
             has_static_libstdcxx=no)
     LIBS="$OLD_LIBS"
     CXX="$OLD_CXX"
     AC_LANG_POP(C++)
     AC_MSG_RESULT([$has_static_libstdcxx])
     if test "x$has_static_libcxx" = xno && test "x$has_dynamic_libcxx" = xno; then
         AC_ERROR([I cannot link to stdc++! Neither dynamically nor statically.])
     fi
     if test "x$enable_static_link_stdc__" = xyes && test "x$has_static_libstdcxx" = xno; then
         AC_MSG_NOTICE([Static linking of libstdc++ was not possible reverting to dynamic linking.])
         enable_static_link_stdc__=no
     fi
     if test "x$enable_static_link_stdc__" = xno && test "x$has_dynamic_libstdcxx" = xno; then
         AC_MSG_NOTICE([Dynamic linking of libstdc++ was not possible reverting to static linking.])
         enable_static_link_stdc__=yes
     fi
     AC_MSG_CHECKING([how to link with libstdc++])
     if test "x$enable_static_link_stdc__" = xyes; then
         LIBCXX="$LIBCXX $STATIC_STDCXX_FLAGS"
         LDCXX="$CC"
         AC_MSG_RESULT([static])
     else
         LIBCXX="$LIBCXX -lstdc++"
         LDCXX="$CXX"
         AC_MSG_RESULT([dynamic])
     fi
 fi
 ###############################################################################
 #
 # Could someone enlighten this configure script with a comment about libCrun?
 # The LEGACY_HOST_CPU3 is the setting for ISA_DIR.
 #
 if test "x$HOST_OS" = xsolaris; then
     LIBCXX="$LIBCXX /usr/lib${LEGACY_HOST_CPU3}/libCrun.so.1"
 fi
 AC_SUBST(LIBCXX)
 ###############################################################################
 #
 # Misc
 #
 # Control wether Hotspot runs Queens test after build.
 AC_ARG_ENABLE([hotspot-test-in-build], [AS_HELP_STRING([--enable-hotspot-test-in-build],
 	[enable running of Queens test after Hotspot build (not yet available) @<:@disabled@:>@])],,
     [enable_hotspot_test_in_build=no])
 if test "x$enable_hotspot_test_in_build" = "xyes"; then
     TEST_IN_BUILD=true
 else
     TEST_IN_BUILD=false
 fi
 AC_SUBST(TEST_IN_BUILD)
 ###############################################################################
 #
 # A helpful message at the end of the configure run.
 #
 if test "x$CCACHE_FOUND" = x && test "x$GCC" = xyes; then
     help_on_build_dependency ccache
     printf "\nTip of the day:\nYou should really install ccache version 3.1.4 or newer.\n"
     printf "It gives a tremendous speedup for C++ recompilations with precompiled headers!\n"
 fi
 if test "x$CCACHE_FOUND" != x && test "x$HAS_GOOD_CCACHE" = x; then
     printf "You have a ccache installed, but it is a version prior to 3.1.4. Try upgrading.\n"
 fi
 AC_OUTPUT

Mercurial > jdk8-mips64-public / annotate

common/autoconf/configure.ac@afeeed8e5f8c (annotated)

common/autoconf/configure.ac