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dnl # Process this with autoconf to create configure

AC_PREREQ(2.59)

# Still use "libjava" here to placate dejagnu.

AC_INIT([libjava], [version-unused],, [libjava])

AC_CONFIG_SRCDIR(java/lang/System.java)

GCC_TOPLEV_SUBDIRS

# We use these options to decide which functions to include.

AC_ARG_WITH(target-subdir,

  AS_HELP_STRING([--with-target-subdir=SUBDIR],

                 [configure in a subdirectory]))

# We may get other options which we don't document:

# --with-target-subdir, --with-multisrctop, --with-multisubdir

# When building with srcdir == objdir, links to the source files will

# be created in directories within the target_subdir.  We have to

# adjust toplevel_srcdir accordingly, so that configure finds

# install-sh and other auxiliary files that live in the top-level

# source directory.

if test "${srcdir}" = "."; then

  if test -z "${with_target_subdir}"; then

    toprel=".."

  else

    if test "${with_target_subdir}" != "."; then

      toprel="${with_multisrctop}../.."

    else

      toprel="${with_multisrctop}.."

    fi

  fi

else

  toprel=".."

fi

libgcj_basedir=$srcdir/$toprel/./libjava

AC_SUBST(libgcj_basedir)

AC_CANONICAL_SYSTEM

_GCC_TOPLEV_NONCANONICAL_BUILD

_GCC_TOPLEV_NONCANONICAL_TARGET

AC_SUBST(target_noncanonical)

# This works around the fact that libtool configuration may change LD

# for this particular configuration, but some shells, instead of

# keeping the changes in LD private, export them just because LD is

# exported.

ORIGINAL_LD_FOR_MULTILIBS=$LD

AC_PROG_LN_S

# This works around an automake problem.

mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"

AC_SUBST(mkinstalldirs)

AC_ARG_WITH(cross-host,

  AS_HELP_STRING([--with-cross-host=HOST],

                 [configure with a cross compiler from HOST]))

AC_ARG_WITH(newlib,

  AS_HELP_STRING([--with-newlib],

                 [configure with newlib]))

AC_ARG_ENABLE(version-specific-runtime-libs,

  AS_HELP_STRING([--enable-version-specific-runtime-libs],

                 [specify that runtime libraries should be installed in a compiler-specific directory]),

    [case "$enableval" in

      yes) version_specific_libs=yes ;;

      no)  version_specific_libs=no ;;

      *)   AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;

     esac],

    [version_specific_libs=no]

)

# Default to --enable-multilib

AC_ARG_ENABLE(multilib,

  AS_HELP_STRING([--enable-multilib],

                 [build many library versions (default)]),

[case "${enableval}" in

  yes) multilib=yes ;;

  no)  multilib=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;

 esac], [multilib=yes])dnl

# It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.

GCC_NO_EXECUTABLES

# (1) We use an abnormal CXX (without library references), so we

# must cache it under a different name.

# (2) CC, CFLAGS, CXX, CXXFLAGS, LDFLAGS must not be 'precious', or

# the non-multilib-adjusted value will be used in multilibs.

# (3) As a side effect, we must SUBST CXXFLAGS, CFLAGS, and LDFLAGS ourselves.

# (4) As another side effect, automake doesn't automatically include them

# in Makefile.in.

# (5) For libstdc++-v3, -fno-builtin must be present here so that a

# non-conflicting form of std::exit can be guessed by AC_PROG_CXX, and

# used in later tests.  This may not be necessary in libjava; I don't know.

m4_define([ac_cv_prog_CXX],[glibcxx_cv_prog_CXX])

m4_rename([_AC_ARG_VAR_PRECIOUS],[glibcxx_PRECIOUS])

m4_define([_AC_ARG_VAR_PRECIOUS],[])

save_CXXFLAGS="$CXXFLAGS"

CXXFLAGS="$CXXFLAGS -fno-builtin"

AC_PROG_CC

AC_PROG_CXX

CXXFLAGS="$save_CXXFLAGS"

m4_rename([glibcxx_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])

AC_SUBST(CFLAGS)

AC_SUBST(CXXFLAGS)

AC_SUBST(LDFLAGS)

AM_INIT_AUTOMAKE([1.9.0])

AC_CHECK_TOOL(AS, as)

AC_CHECK_TOOL(AR, ar)

AC_CHECK_TOOL(RANLIB, ranlib, :)

AC_PROG_INSTALL

AM_MAINTAINER_MODE

AC_EXEEXT

# configure.host sets the following important variables

#       libgcj_cflags    - host specific C compiler flags

#       libgcj_cxxflags  - host specific C++ compiler flags

#       libgcj_javaflags - host specific Java compiler flags

libgcj_cflags=

libgcj_cxxflags=

libgcj_javaflags=

. ${srcdir}/configure.host

LIBGCJ_CFLAGS="${libgcj_cflags}"

LIBGCJ_CXXFLAGS="${libgcj_cxxflags}"

LIBGCJ_JAVAFLAGS="${libgcj_javaflags}"

LIBGCJ_LD_SYMBOLIC="${libgcj_ld_symbolic}"

AC_SUBST(LIBGCJ_CFLAGS)

AC_SUBST(LIBGCJ_CXXFLAGS)

AC_SUBST(LIBGCJ_JAVAFLAGS)

AC_SUBST(LIBGCJ_LD_SYMBOLIC)

# Only use libltdl for non-newlib builds.

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

   AC_LTDL_SHLIBPATH

fi

AC_CONFIG_HEADERS([include/config.h gcj/libgcj-config.h])

# See if the user has requested runtime debugging.

LIBGCJDEBUG="disable"

AC_SUBST(LIBGCJDEBUG)

AC_ARG_ENABLE(libgcj-debug,

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

                 [enable runtime debugging code]),

  [if test "$enable_libgcj_debug" = yes; then

    AC_DEFINE(DEBUG, 1, [Define this if you want runtime debugging enabled.])

    LIBGCJDEBUG="enable"

  fi])

# Determine which AWT peer libraries to build

AC_ARG_ENABLE(java-awt,

  AS_HELP_STRING([--enable-java-awt],

                 [list of AWT peer implementations to be built]))

peerlibs="`echo ${enable_java_awt} | tr ',' ' '`"

use_xlib_awt=""

use_gtk_awt=""

use_qt_awt=""

# The default toolkit to use is the first one specified.

TOOLKIT=

AC_SUBST(TOOLKIT)

for peer in $peerlibs ; do

  case $peer in

    xlib)

      if test "$no_x" = yes; then

        echo "*** xlib peers requested but no X library available" 1>&2

        exit 1

      else

        use_xlib_awt="yes"

        if test -z "$TOOLKIT"; then

           TOOLKIT=gnu.awt.xlib.XToolkit

        fi

      fi

      ;;

    gtk)

      if test "$no_x" = yes; then

         echo "*** gtk peers requested but no X library available" 1>&2

         exit 1

      else

         use_gtk_awt=yes

         if test -z "$TOOLKIT"; then

            TOOLKIT=gnu.java.awt.peer.gtk.GtkToolkit

         fi

      fi

      ;;

    qt)

      if test "$no_x" = yes; then

         # Perhaps we should admit the possibility of embedded Qt.

         echo "*** Qt peers requested but no X library available" 1>&2

         exit 1

      else

         use_qt_awt=yes

         if test -z "$TOOLKIT"; then

            TOOLKIT=gnu.java.awt.peer.qt.QtToolkit

         fi

      fi

      ;;

    no)

      use_xlib_awt=

      use_gtk_awt=

      use_qt_awt=

      break

      ;;

    *)

      echo "*** unrecognised argument \"${peer}\" for --enable-java-awt" 1>&2

      exit 1

  esac

done

AM_CONDITIONAL(XLIB_AWT, test "$use_xlib_awt" = yes)

AM_CONDITIONAL(GTK_AWT, test "$use_gtk_awt" = yes)

AM_CONDITIONAL(QT_AWT, test "$use_qt_awt" = yes)

# Create standard.omit based on decisions we just made.

cp $srcdir/standard.omit.in standard.omit

if test "$use_xlib_awt" != yes; then

   echo gnu/awt/xlib >> standard.omit

   echo gnu/gcj/xlib >> standard.omit

fi

if test "$use_gtk_awt" != yes; then

   echo gnu/java/awt/peer/gtk >> standard.omit

fi

if test "$use_qt_awt" != yes; then

   echo gnu/java/awt/peer/qt >> standard.omit

fi

if test -z "${with_multisubdir}"; then

   builddotdot=.

else

   builddotdot=`echo ${with_multisubdir} | sed -e 's:[[^/]][[^/]]*:..:g'`

fi

NATIVE=yes

# Which gcj do we use?

which_gcj=default

built_gcc_dir="`cd ${builddotdot}/../../${host_subdir}/gcc && ${PWDCMD-pwd}`"

if test -n "${with_cross_host}"; then

  # We are being configured with a cross compiler. We can't

  # use ac_exeext, because that is for the target platform.

  NATIVE=no

  cross_host_exeext=

  case "${with_cross_host}" in

     *mingw* | *cygwin*)

         cross_host_exeext=.exe

     ;;

  esac

  if test -x "${built_gcc_dir}/gcj${cross_host_exeext}"; then

     if test x"$build_noncanonical" = x"$with_cross_host"; then

        # Ordinary cross (host!=target and host=build)

        which_gcj=built

     else

        # Canadian cross (host!=target and host!=build)

        which_gcj=cross

     fi

  else

     which_gcj=cross

  fi

else

  # We are being configured with a native or crossed-native compiler

  if test -x "${built_gcc_dir}/gcj${ac_exeext}"; then

     if test x"$build" = x"$host"; then

        # True native build (host=target and host=build)

        which_gcj=built

     else

        # Crossed-native build (host=target and host!=build)

        which_gcj=cross

     fi

  else

     which_gcj=path

  fi

fi

case "${which_gcj}" in

   built)

      GCJ="$built_gcc_dir/gcj -B`${PWDCMD-pwd}`/ -B$built_gcc_dir/"

      GCJH='$(top_builddir)/$(MULTIBUILDTOP)../../$(host_subdir)/gcc/gcjh'

      ZIP='$(top_builddir)/$(MULTIBUILDTOP)../../$(host_subdir)/fastjar/fastjar'

   ;;

   cross)

      if test "x${with_newlib}" = "xyes"; then

         # FIXME (comment): Why is this needed?

         GCC_UNWIND_INCLUDE=

         GCJ="${target_noncanonical}-gcj"

      else

         GCJ="${target_noncanonical}-gcj -B`${PWDCMD-pwd}`/"

      fi

      ZIP='$(target_noncanonical)-fastjar'

      GCJH='$(target_noncanonical)-gcjh'

   ;;

   path)

      GCJ="gcj -B`${PWDCMD-pwd}`/"

      ## In this case, gcj is found outside the build tree.  However, zip is

      ## found in the build tree.

      ZIP='$(top_builddir)/$(MULTIBUILDTOP)../$(COMPPATH)/fastjar/fastjar'

      GCJH=gcjh

   ;;

esac

AC_SUBST(GCJH)

AC_SUBST(ZIP)

# Create it, so that compile/link tests don't fail

test -f libgcj.spec || touch libgcj.spec

# Set up to configure Classpath.

# FIXME: no supported way to pass args in autoconf.

ac_configure_args="$ac_configure_args --disable-load-library"

ac_configure_args="$ac_configure_args --${LIBGCJDEBUG}-debug"

ac_configure_args="$ac_configure_args --enable-default-toolkit=$TOOLKIT"

dir1=`cd $srcdir && pwd`

dir2=`pwd`

ac_configure_args="$ac_configure_args --with-vm-classes=$dir1:$dir2"

ac_configure_args="$ac_configure_args --disable-core-jni"

dnl FIXME?

ac_configure_args="$ac_configure_args --disable-examples"

ac_configure_args="$ac_configure_args --with-glibj=build"

if test "$use_gtk_awt" != yes; then

  ac_configure_args="$ac_configure_args --disable-gtk-peer"

fi

if test "$use_qt_awt" != yes; then

  ac_configure_args="$ac_configure_args --disable-qt-peer"

else

  # We need this as qt is disabled by default in classpath.

  ac_configure_args="$ac_configure_args --enable-qt-peer"

fi

dnl --with-gcj=$GCJ

dnl --with-javah=$GCJH

dnl gjdoc?

dnl gtk-cairo -- just export here...

dnl --enable-regen-headers?

# Only use libltdl for non-newlib builds.

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

   AC_LIBLTDL_CONVENIENCE

   AC_LIBTOOL_DLOPEN

   DIRLTDL=libltdl

   AC_DEFINE(USE_LTDL, 1, [Define if libltdl is in use.])

   # Sigh.  Libtool's macro doesn't do the right thing.

   INCLTDL="-I\$(top_srcdir)/libltdl $INCLTDL"

   # FIXME: this is a hack.

   sub_auxdir="`cd $ac_aux_dir && ${PWDCMD-pwd}`"

   ac_configure_args="$ac_configure_args --with-auxdir=$sub_auxdir"

fi

AC_SUBST(INCLTDL)

AC_SUBST(LIBLTDL)

AC_SUBST(DIRLTDL)

AC_PROG_LIBTOOL

AM_PROG_GCJ

AM_PROG_CC_C_O

AC_CONFIG_SUBDIRS(classpath libltdl)

# The -no-testsuite modules omit the test subdir.

AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)

# Should the runtime set system properties by examining the

# environment variable GCJ_PROPERTIES?

AC_ARG_ENABLE(getenv-properties,

  AS_HELP_STRING([--disable-getenv-properties],

                 [don't set system properties from GCJ_PROPERTIES]))

# Whether GCJ_PROPERTIES is used depends on the target.

if test -z "$enable_getenv_properties"; then

   enable_getenv_properties=${enable_getenv_properties_default-yes}

fi

if test "$enable_getenv_properties" = no; then

   AC_DEFINE(DISABLE_GETENV_PROPERTIES, 1,

     [Define if system properties shouldn't be read from getenv("GCJ_PROPERTIES").])

fi

# Whether we should use arguments to main()

if test -z "$enable_main_args"; then

   enable_main_args=${enable_main_args_default-yes}

fi

if test "$enable_main_args" = no; then

   AC_DEFINE(DISABLE_MAIN_ARGS, 1, [Define if we should ignore arguments to main().])

fi

# Should we use hashtable-based synchronization?

# Currently works only for Linux X86/ia64

# Typically faster and more space-efficient

AC_ARG_ENABLE(hash-synchronization,

  AS_HELP_STRING([--enable-hash-synchronization],

                 [use global hash table for monitor locks]))

if test -z "$enable_hash_synchronization"; then

   enable_hash_synchronization=$enable_hash_synchronization_default

fi

AC_ARG_WITH(java-home,

  AS_HELP_STRING([--with-java-home=DIRECTORY],

                 [value of java.home system property]),

                 [JAVA_HOME="${withval}"], [JAVA_HOME=""])

AM_CONDITIONAL(JAVA_HOME_SET, test ! -z "$JAVA_HOME")

AC_SUBST(JAVA_HOME)

# What is the native OS API for MinGW?

AC_ARG_WITH(win32-nlsapi,

  AS_HELP_STRING([--with-win32-nlsapi=ansi or unicows or unicode],

                 [native MinGW libgcj Win32 OS API (default is ansi)]),

[case "${withval}" in

  ansi) with_win32_nlsapi=ansi ;;

  unicows) with_win32_nlsapi=unicows ;;

  unicode) with_win32_nlsapi=unicode ;;

  *) AC_MSG_ERROR(Bad value ${withval} for --with-win32-nlsapi.) ;;

esac],[with_win32_nlsapi=ansi])

case "${with_win32_nlsapi}" in

  unicows | unicode)

    AC_DEFINE(MINGW_LIBGCJ_UNICODE, 1,

      [Define if MinGW libgcj uses the Windows UNICODE OS API.])

    ;;

esac

# configure.host sets slow_pthread_self if the synchronization code should

# try to avoid pthread_self calls by caching thread IDs in a hashtable.

if test "${slow_pthread_self}" = "yes"; then

  AC_DEFINE(SLOW_PTHREAD_SELF, 1,

    [Define if if the synchronization code should try to avoid pthread_self calls by caching thread IDs in a hashtable.])

fi

# Check for gc debugging.  This option is handled both here and in the GC.

AC_ARG_ENABLE(gc-debug,

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

                  [include full support for pointer backtracing etc.]),

[ if test "$enable_gc_debug" = "yes"; then

    AC_DEFINE(LIBGCJ_GC_DEBUG, 1,

              [Define if we want to use debug calls into the garbage collector.])

  fi])

# See if the user has the interpreter included.

AC_ARG_ENABLE(interpreter,

  AS_HELP_STRING([--enable-interpreter],

                 [enable interpreter]),

  [if test "$enable_interpreter" = yes; then

    # This can also be set in configure.host.

    libgcj_interpreter=yes

  elif test "$enable_interpreter" = no; then

    libgcj_interpreter=no

  fi])

if test "$libgcj_interpreter" = yes; then

   AC_DEFINE(INTERPRETER, 1, [Define if you want a bytecode interpreter.])

fi

INTERPRETER="$libgcj_interpreter"

AC_SUBST(INTERPRETER)

AC_MSG_CHECKING([for exception model to use])

AC_LANG_PUSH(C++)

AC_ARG_ENABLE(sjlj-exceptions,

  AS_HELP_STRING([--enable-sjlj-exceptions],

                 [force use of builtin_setjmp for exceptions]),

[:],

[dnl Botheration.  Now we've got to detect the exception model.

dnl Link tests against libgcc.a are problematic since -- at least

dnl as of this writing -- we've not been given proper -L bits for

dnl single-tree newlib and libgloss.

dnl

dnl This is what AC_TRY_COMPILE would do if it didn't delete the

dnl conftest files before we got a change to grep them first.

cat > conftest.$ac_ext << EOF

[#]line __oline__ "configure"

struct S { ~S(); };

void bar();

void foo()

{

  S s;

  bar();

}

EOF

old_CXXFLAGS="$CXXFLAGS"

CXXFLAGS=-S

if AC_TRY_EVAL(ac_compile); then

  if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then

    enable_sjlj_exceptions=yes

  elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then

    enable_sjlj_exceptions=no

  fi

fi

CXXFLAGS="$old_CXXFLAGS"

rm -f conftest*])

if test x$enable_sjlj_exceptions = xyes; then

  AC_DEFINE(SJLJ_EXCEPTIONS, 1,

        [Define if the compiler is configured for setjmp/longjmp exceptions.])

  ac_exception_model_name=sjlj

elif test x$enable_sjlj_exceptions = xno; then

  ac_exception_model_name="call frame"

else

  AC_MSG_ERROR([unable to detect exception model])

fi

AC_LANG_POP(C++)

AC_MSG_RESULT($ac_exception_model_name)

# If we are non using SJLJ exceptions, and this host does not have support

# for unwinding from a signal handler, enable checked dereferences and divides.

if test $can_unwind_signal = no && test $enable_sjlj_exceptions = no; then

  CHECKREFSPEC=-fcheck-references

  DIVIDESPEC=-fuse-divide-subroutine

  EXCEPTIONSPEC=

fi

# See if the user wants to disable java.net.  This is the mildly

# ugly way that we admit that target-side configuration sucks.

AC_ARG_ENABLE(java-net,

  AS_HELP_STRING([--disable-java-net],

                 [disable java.net]))

# Whether java.net is built by default can depend on the target.

if test -z "$enable_java_net"; then

   enable_java_net=${enable_java_net_default-yes}

fi

if test "$enable_java_net" = no; then

   AC_DEFINE(DISABLE_JAVA_NET, 1, [Define if java.net native functions should be stubbed out.])

fi

# See if the user wants to configure without libffi.  Some

# architectures don't support it, and default values are set in

# configure.host.

AC_ARG_WITH(libffi,

  AS_HELP_STRING([--without-libffi],

                 [don't use libffi]),

  [:],

  [with_libffi=${with_libffi_default-yes}])

LIBFFI=

LIBFFIINCS=

if test "$with_libffi" != no; then

   AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])

   LIBFFI=../libffi/libffi_convenience.la

   LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'

fi

AC_SUBST(LIBFFI)

AC_SUBST(LIBFFIINCS)

# See if the user wants to disable JVMPI support.

AC_ARG_ENABLE(jvmpi,

  AS_HELP_STRING([--disable-jvmpi],

                 [disable JVMPI support]))

if test "$enable_jvmpi" != no; then

    AC_DEFINE(ENABLE_JVMPI, 1, [Define if you are using JVMPI.])

fi

# If the target is an eCos system, use the appropriate eCos

# I/O routines.

# FIXME: this should not be a local option but a global target

# system; at present there is no eCos target.

TARGET_ECOS=${PROCESS-"no"}

AC_ARG_WITH(ecos,

[  --with-ecos             enable runtime eCos target support],

TARGET_ECOS="$with_ecos"

)

supply_backtrace=no

PLATFORM_INNER_NAT_HDRS=

case "$TARGET_ECOS" in

   no) case "$host" in

      *mingw*)

            PLATFORM=Win32

            PLATFORMNET=Win32

            PLATFORMH=win32.h

        CHECK_FOR_BROKEN_MINGW_LD

      ;;

      *)

            PLATFORM=Posix

            PLATFORMNET=Posix

            PLATFORMH=posix.h

            PLATFORM_INNER_NAT_HDRS='java/lang/ConcreteProcess$$ProcessManager.h'

      ;;

      esac

      ;;

   *)

      PLATFORM=Ecos

      PLATFORMNET=NoNet

      AC_DEFINE(ECOS, 1, [Define if you're running eCos.])

      PLATFORMH=posix.h

      ;;

esac

AC_SUBST(PLATFORM_INNER_NAT_HDRS)

AC_CONFIG_LINKS(include/platform.h:include/$PLATFORMH)

AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,

                                      [Define if you have int32_t and uint32_t.]))

AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1,

                                        [Define if you have int32_t and uint32_t.]))

AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,

                                          [Define if you have u_int32_t]))

AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1,

                                           [Define if you have u_int32_t]))

AM_CONDITIONAL(USING_WIN32_PLATFORM, test "$PLATFORM" = Win32)

AM_CONDITIONAL(USING_POSIX_PLATFORM, test "$PLATFORM" = Posix || test "$PLATFORM" = Ecos)

case "$host" in

  *-darwin*) DARWIN_CRT=true ;;

  *) DARWIN_CRT=false ;;

esac

AM_CONDITIONAL(USING_DARWIN_CRT, $DARWIN_CRT)

# These may not be defined in a non-ANS conformant embedded system.

# FIXME: Should these case a runtime exception in that case?

AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME, 1,

                                  [Define is you have 'mktime' in ]))

AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME, 1,

                                  [Define is you have 'localtime' in ]))

# Create the subdirectory for natFile.cc, or the attempt

# to create the link will fail.

test -d java || mkdir java

test -d java/io || mkdir java/io

test -d gnu || mkdir gnu

AC_CONFIG_LINKS(java/io/natFile.cc:java/io/natFile${FILE-${PLATFORM}}.cc)

# Likewise for ConcreteProcess.java and natConcreteProcess.cc.

test -d java/lang || mkdir java/lang

AC_CONFIG_LINKS(java/lang/ConcreteProcess.java:java/lang/${PLATFORM}Process.java)

AC_CONFIG_LINKS(java/lang/natConcreteProcess.cc:java/lang/nat${PLATFORM}Process.cc)

# Likewise for natInetAddress.cc and natVMNetworkInterface.cc.

test -d java/net || mkdir java/net

AC_CONFIG_LINKS(java/net/natInetAddress.cc:java/net/natInetAddress${PLATFORMNET}.cc)

AC_CONFIG_LINKS(java/net/natVMNetworkInterface.cc:java/net/natVMNetworkInterface${PLATFORMNET}.cc)

# Likewise for natPlainSocketImpl.cc and natPlainDatagramSocketImpl.cc.

test -d gnu/java || mkdir gnu/java

test -d gnu/java/net || mkdir gnu/java/net

AC_CONFIG_LINKS(gnu/java/net/natPlainSocketImpl.cc:gnu/java/net/natPlainSocketImpl${PLATFORMNET}.cc)

AC_CONFIG_LINKS(gnu/java/net/natPlainDatagramSocketImpl.cc:gnu/java/net/natPlainDatagramSocketImpl${PLATFORMNET}.cc)

# Likewise for natPipeImpl.cc and natSelectorImpl.cc.

test -d gnu/java/nio || mkdir gnu/java/nio

AC_CONFIG_LINKS(gnu/java/nio/natPipeImpl.cc:gnu/java/nio/natPipeImpl${PLATFORM}.cc)

AC_CONFIG_LINKS(gnu/java/nio/natSelectorImpl.cc:gnu/java/nio/natSelectorImpl${PLATFORM}.cc)

test -d gnu/java/nio/channels || mkdir gnu/java/nio/channels

AC_CONFIG_LINKS(gnu/java/nio/channels/natFileChannelImpl.cc:gnu/java/nio/channels/natFileChannel${FILE-${PLATFORM}}.cc)

case "${host}" in

    *mingw*)

      SYSTEMSPEC="-lgdi32 -lws2_32"

      if test "${with_win32_nlsapi}" = "unicows"; then

        SYSTEMSPEC="-lunicows $SYSTEMSPEC"

      fi

    ;;

    *)

      SYSTEMSPEC=

    ;;

esac

AC_SUBST(SYSTEMSPEC)

LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"

AC_SUBST(LIBGCJTESTSPEC)

AC_ARG_WITH(system-zlib,

  AS_HELP_STRING([--with-system-zlib],

                 [use installed libz]))

ZLIBSPEC=

AC_SUBST(ZLIBSPEC)

ZLIBTESTSPEC=

AC_SUBST(ZLIBTESTSPEC)

AC_PATH_XTRA

# determine whether to enable the cairo GTK Graphics2D backend

AC_ARG_ENABLE(gtk-cairo,

  AS_HELP_STRING([--enable-gtk-cairo],

                 [build the cairo Graphics2D implementation on GTK]))

AM_CONDITIONAL(GTK_CAIRO, test "x${enable_gtk_cairo}" = xyes)

if test "x${enable_gtk_cairo}" = xyes

then

        PKG_CHECK_MODULES(CAIRO, cairo)

        PKG_CHECK_MODULES(PANGOFT2, pangoft2)

fi

AC_SUBST(CAIRO_LIBS)

AC_SUBST(CAIRO_CFLAGS)

AC_SUBST(PANGOFT2_LIBS)

AC_SUBST(PANGOFT2_CFLAGS)

# FIXME: this should be _libs on some hosts.

libsubdir=.libs

# extra LD Flags which are required for targets

case "${host}" in

*-*-darwin[[0-7]].*)

    # For now we have to disable it on darwin[8-9] because it slows down

    # the linking phase. A possible bug in ld?

    # on Darwin -single_module speeds up loading of the dynamic libraries.

    extra_ldflags_libjava=-Wl,-single_module

    ;;

esac

AC_SUBST(extra_ldflags_libjava)

# Allow the GC to be disabled.  Can be useful when debugging.

AC_MSG_CHECKING([for garbage collector to use])

AC_ARG_ENABLE(java-gc,

  AS_HELP_STRING([--enable-java-gc=TYPE],

                 [choose garbage collector (default is boehm)]),

  [GC=$enableval],

  [GC=boehm])

GCLIBS=

GCINCS=

GCDEPS=

GCSPEC=

JC1GCSPEC=

GCTESTSPEC=

case "$GC" in

 boehm)

    AC_MSG_RESULT(boehm)

    GCLIBS=../boehm-gc/libgcjgc_convenience.la

    JC1GCSPEC='-fuse-boehm-gc'

    GCTESTSPEC="-L`${PWDCMD-pwd}`/../boehm-gc/.libs -rpath `${PWDCMD-pwd}`/../boehm-gc/.libs"

    GCINCS='-I$(top_srcdir)/../boehm-gc/include -I../boehm-gc/include'

    GCOBJS=boehm.lo

    GCHDR=boehm-gc.h

    # The POSIX thread support needs to know this.

    AC_DEFINE(HAVE_BOEHM_GC, 1, [Define if Boehm GC in use.])

    ;;

 no)

    AC_MSG_RESULT(none)

    GCHDR=no-gc.h

    ;;

 *)

    AC_MSG_ERROR([unrecognized collector "$GC"])

    ;;

esac

AC_SUBST(GCLIBS)

AC_SUBST(GCINCS)

AC_SUBST(GCDEPS)

AC_SUBST(GCSPEC)

AC_SUBST(JC1GCSPEC)

AC_SUBST(GCTESTSPEC)

AC_CONFIG_LINKS(include/java-gc.h:include/$GCHDR)

AM_CONDITIONAL(USING_BOEHMGC, test "$GC" = boehm)

AM_CONDITIONAL(USING_NOGC, test "$GC" = no)

AC_MSG_CHECKING([for thread model used by GCC])

THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`

AC_MSG_RESULT([$THREADS])

case "$THREADS" in

 no | none | single)

    THREADS=none

    ;;

 posix | posix95 | pthreads)

    THREADS=posix

    case "$host" in

     *-*-linux*)

        AC_DEFINE(LINUX_THREADS, 1, [Define if using POSIX threads on Linux.])

        ;;

    esac

    ;;

 win32)

    ;;

 decosf1 | irix | mach | os2 | solaris | dce | vxworks)

    AC_MSG_ERROR(thread package $THREADS not yet supported)

    ;;

 *)

    AC_MSG_ERROR($THREADS is an unknown thread package)

    ;;

esac

THREADCXXFLAGS=

THREADLDFLAGS=

THREADLIBS=

THREADINCS=

THREADDEPS=

THREADH=

THREADSPEC=

case "$THREADS" in

 posix)

    case "$host" in

     *-*-cygwin*)

        # Don't set THREADLIBS here.  Cygwin doesn't have -lpthread.

        ;;

     *-*-freebsd[[1234]]*)

        # Before FreeBSD 5, it didn't have -lpthread (or any library which

        # merely adds pthread_* functions) but it does have a -pthread switch

        # which is required at link-time to select -lc_r *instead* of -lc.

        THREADLDFLAGS=-pthread

        # Don't set THREADSPEC here as might be expected since -pthread is

        # not processed when found within a spec file, it must come from

        # the command line.  For now, the user must provide the -pthread

        # switch to link code compiled with gcj.  In future, consider adding

        # support for weak references to pthread_* functions ala gthr.h API.

        THREADSPEC='%{!pthread: %{!shared: %eUnder this configuration, the user must provide -pthread when linking.}}'

        ;;

     *-*-freebsd*)

        # FreeBSD >=5.3 implements a model much closer to other modern UNIX

        # systems which support threads and -lpthread.

        THREADLDFLAGS=-pthread

        THREADSPEC=-lpthread

        ;;

     alpha*-dec-osf*)

        THREADCXXFLAGS=-pthread

        # boehm-gc needs some functions from librt, so link that too.

        THREADLIBS='-lpthread -lrt'

        THREADSPEC='-lpthread -lrt'

        ;;

     *)

        THREADLIBS=-lpthread

        THREADSPEC=-lpthread

        ;;

    esac

    THREADH=posix-threads.h

    # MIT pthreads doesn't seem to have the mutexattr functions.

    # But for now we don't check for it.  We just assume you aren't

    # using MIT pthreads.

    AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])

    # If we're using the Boehm GC, then we happen to know that it

    # defines _REENTRANT, so we don't bother.  Eww.

    if test "$GC" != boehm; then

       AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])

    fi

    AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Required define if using POSIX threads])

    ;;

 win32)

    THREADH=win32-threads.h

    ;;

 none)

    THREADH=no-threads.h

    ;;

esac

AC_CONFIG_LINKS(include/java-threads.h:include/$THREADH)

AC_SUBST(THREADLIBS)

AC_SUBST(THREADINCS)

AC_SUBST(THREADDEPS)

AC_SUBST(THREADSPEC)

AC_SUBST(THREADLDFLAGS)

AC_SUBST(THREADCXXFLAGS)

AM_CONDITIONAL(USING_POSIX_THREADS, test "$THREADS" = posix)

AM_CONDITIONAL(USING_WIN32_THREADS, test "$THREADS" = win32)

AM_CONDITIONAL(USING_NO_THREADS, test "$THREADS" = none)

if test -d sysdep; then true; else mkdir sysdep; fi

AC_CONFIG_LINKS(sysdep/locks.h:sysdep/$sysdeps_dir/locks.h)

AC_CONFIG_LINKS(sysdep/backtrace.h:$fallback_backtrace_h)

AC_CONFIG_LINKS(sysdep/descriptor.h:$descriptor_h)

HASH_SYNC_SPEC=

# Hash synchronization is only useful with posix threads right now.

if test "$enable_hash_synchronization" = yes && test "$THREADS" != "none"; then

   HASH_SYNC_SPEC=-fhash-synchronization

   AC_DEFINE(JV_HASH_SYNCHRONIZATION, 1, [Define if hash synchronization is in use])

fi

AC_SUBST(HASH_SYNC_SPEC)

AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)

# We're in the tree with gcc, and need to include some of its headers.

GCC_UNWIND_INCLUDE='-I$(libgcj_basedir)/../gcc'

if test "x${with_newlib}" = "xyes"; then

   # We are being configured with a cross compiler.  AC_REPLACE_FUNCS

   # may not work correctly, because the compiler may not be able to

   # link executables.

   # We assume newlib.  This lets us hard-code the functions we know

   # we'll have.

   AC_DEFINE(HAVE_MEMMOVE, 1, [Define if you have memmove.])

   AC_DEFINE(HAVE_MEMCPY, 1, [Define if you have memcpy.])

   AC_DEFINE(HAVE_STRERROR, 1, [Define if you have strerror.])

   AC_DEFINE(HAVE_TIME, 1, [Define if you have time.])

   AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have the 'gmtime_r' function])

   AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have the 'localtime_r' function.])

   AC_DEFINE(HAVE_USLEEP_DECL, 1, [Define if usleep is declared in .])

   # This is only for POSIX threads.

   AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT, 1, [Define if using POSIX threads that have the mutexattr functions.])

   # We also assume we are using gcc, which provides alloca.

   AC_DEFINE(HAVE_ALLOCA)

   # Assume we do not have getuid and friends.

   AC_DEFINE(NO_GETUID, 1, [Define if getuid() and friends are missing.])

   PLATFORMNET=NoNet

else

   AC_CHECK_FUNCS([strerror ioctl select fstat open fsync sleep opendir \

                   gmtime_r localtime_r readdir_r getpwuid_r getcwd \

                   access stat mkdir rename rmdir unlink realpath utime chmod \

                   nl_langinfo setlocale \

                   inet_pton uname inet_ntoa \

                   fork execvp pipe sigaction ftruncate])

   AC_CHECK_FUNCS(inet_aton inet_addr, break)

   AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)

   AC_CHECK_FUNC(backtrace, [

     case "$host" in

       ia64-*-linux*)

         # Has broken backtrace()

         ;;

       mips*-*-linux*)

         # Has broken backtrace(), but we supply our own.

         if test -d sysdep; then true; else mkdir -p sysdep; fi

         supply_backtrace=yes

         AC_DEFINE(HAVE_BACKTRACE, 1,

           [Define if your platform has a working backtrace() function.])

         ;;

       *)

         AC_DEFINE(HAVE_BACKTRACE, 1,

           [Define if your platform has a working backtrace() function.])

         ;;

     esac

   ], [

     case "$host" in

       *mingw*)

         # Has backtrace() defined in libgcj itself

         AC_DEFINE(HAVE_BACKTRACE, 1,

           [Define if your platform has a working backtrace() function.])

         ;;

     esac

   ])

   AC_CHECK_LIB(dl, dladdr, [

       AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])])

   if test x"$build" = x"$host"; then

     AC_CHECK_FILES(/proc/self/exe, [

       AC_DEFINE(HAVE_PROC_SELF_EXE, 1, [Define if you have /proc/self/exe])])

   else

     case $host in