Subversion Repositories openrisc

dnl Process this file with autoconf to produce a configure script.

dnl -----------------------------------------------------------

dnl Turning off cache for debug reasons

dnl -----------------------------------------------------------

dnl define([AC_CACHE_LOAD], )dnl

dnl define([AC_CACHE_SAVE], )dnl

AC_INIT([GNU Classpath],[0.99-pre],[classpath@gnu.org],[classpath])

AC_CONFIG_SRCDIR(java/lang/System.java)

AC_CONFIG_MACRO_DIR([m4])

dnl GCJ LOCAL

AC_CONFIG_AUX_DIR(../..)

dnl END GCJ LOCAL

AC_CANONICAL_TARGET

dnl GCJ LOCAL

AC_ARG_ENABLE(java-maintainer-mode,

        AS_HELP_STRING([--enable-java-maintainer-mode],

        [allow rebuilding of .class and .h files]))

AM_CONDITIONAL(JAVA_MAINTAINER_MODE, test "$enable_java_maintainer_mode" = yes)

dnl END GCJ LOCAL

dnl GCJ LOCAL

# We would like to our source tree to be readonly.  However when releases or

# pre-releases are generated, the man pages need to be included as they are

# converted from the texi files via perl which we don't require end users to

# have installed.

# Therefore we have --enable-generated-files-in-srcdir to do just that.

AC_MSG_CHECKING([whether to place generated files in the source directory])

  dnl generated-files-in-srcdir is disabled by default

  AC_ARG_ENABLE(generated-files-in-srcdir,

[  --enable-generated-files-in-srcdir

                          put copies of generated files in source dir

                          intended for creating source tarballs for users

                          without texinfo, perl, bison or flex.],

      generated_files_in_srcdir=$enableval,

      generated_files_in_srcdir=no)

AC_MSG_RESULT($generated_files_in_srcdir)

AM_CONDITIONAL(GENINSRC, test x$generated_files_in_srcdir = xyes)

dnl END GCJ LOCAL

# Find the rest of the source tree framework.

AM_ENABLE_MULTILIB(, ../..)

AM_CONDITIONAL(INSTALL_BINARIES, test -z "${with_multisubdir}")

dnl -----------------------------------------------------------

dnl Fold all IA-32 CPU architectures into "x86"

dnl -----------------------------------------------------------

if expr ${target_cpu} : '.*86' > /dev/null; then target_cpu=x86; fi

dnl -----------------------------------------------------------

dnl We will not track/change lib version until we reach version 1.0

dnl at which time we'll have to be more anal about such things

dnl -----------------------------------------------------------

AC_SUBST(LIBVERSION, "0:0:0")

case "$host_os" in

     darwin*)

        cp_module=""

        ;;

        *)

        cp_module="-module"

        ;;

esac

CLASSPATH_MODULE="${cp_module} -version-info ${LIBVERSION} -no-undefined"

AC_SUBST(CLASSPATH_MODULE)

CLASSPATH_CONVENIENCE="-no-undefined"

AC_SUBST(CLASSPATH_CONVENIENCE)

AC_PREREQ(2.64)

AM_INIT_AUTOMAKE([1.9.0 gnu std-options tar-ustar -Wno-portability])

AC_CONFIG_HEADERS([include/config.h])

AC_PREFIX_DEFAULT(/usr/local/classpath)

dnl GCC LOCAL

GCC_NO_EXECUTABLES

dnl -----------------------------------------------------------

dnl Enable collections.jar (disabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([collections],

              [AS_HELP_STRING(--enable-collections,create collections.jar [default=no])],

              [case x"${enableval}" in

                xyes) COMPILE_COLLECTIONS=yes; COLLECTIONS_PREFIX="\"gnu/java/util/collections\"" ;;

                xno) COMPILE_COLLECTIONS=no ;;

                x) COMPILE_COLLECTIONS=yes; COLLECTIONS_PREFIX="\"gnu/java/util/collections\"" ;;

                *) COMPILE_COLLECTIONS=yes; COLLECTIONS_PREFIX="\"${enableval}\"" ;;

              esac],

              [COMPILE_COLLECTIONS=no])

AM_CONDITIONAL(CREATE_COLLECTIONS, test "x${COMPILE_COLLECTIONS}" = xyes)

dnl -----------------------------------------------------------

dnl Enable JNI libraries (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([jni],

              [AS_HELP_STRING(--enable-jni,compile JNI source [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_JNI=yes; COMPILE_JAVA=yes ;;

                no) COMPILE_JNI=no ;;

                *) COMPILE_JNI=yes; COMPILE_JAVA=yes ;;

              esac],

              [COMPILE_JNI=yes])

AM_CONDITIONAL(CREATE_JNI_LIBRARIES, test "x${COMPILE_JNI}" = xyes)

dnl -----------------------------------------------------------

dnl Enable core JNI libraries (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([core-jni],

              [AS_HELP_STRING(--enable-core-jni,

                              compile JNI sources for core [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_CORE_JNI=yes; COMPILE_JAVA=yes ;;

                no) COMPILE_CORE_JNI=no ;;

                *) COMPILE_CORE_JNI=yes; COMPILE_JAVA=yes ;;

              esac],

              [COMPILE_CORE_JNI=yes])

AM_CONDITIONAL(CREATE_CORE_JNI_LIBRARIES, test "x${COMPILE_CORE_JNI}" = xyes)

dnl -----------------------------------------------------------

dnl Default Preference Backend

dnl -----------------------------------------------------------

AC_ARG_ENABLE([default-preferences-peer],

              [AS_HELP_STRING([--enable-default-preferences-peer@<:@=peer type or class name@:>@],

                              [specify one of: "gconf" [default] for a GConf based backend, "file" for a file based one, "memory" for a transient one, or a fully qualified class name implementing java.util.prefs.PreferencesFactory])],

              [case "${enableval}" in

                file) DEFAULT_PREFS_PEER=gnu.java.util.prefs.FileBasedFactory  ;;

                gconf|yes|true) DEFAULT_PREFS_PEER=gnu.java.util.prefs.GConfBasedFactory  ;;

                memory) DEFAULT_PREFS_PEER=gnu.java.util.prefs.MemoryBasedFactory  ;;

                no|false) AC_MSG_ERROR(bad value '${enableval}' for --enable-default-preferences-peer) ;;

                *) DEFAULT_PREFS_PEER=${enableval} ;;

              esac],

              [DEFAULT_PREFS_PEER=gnu.java.util.prefs.GConfBasedFactory])

dnl AC_SUBST(DEFAULT_PREFS_PEER)

dnl -----------------------------------------------------------

dnl GConf native peer (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([gconf-peer],

              [AS_HELP_STRING(--disable-gconf-peer,compile GConf native peers (disabled by --disable-jni) [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_GCONF_PEER=yes ;;

                no) COMPILE_GCONF_PEER=no ;;

                *) COMPILE_GCONF_PEER=yes ;;

              esac],

              [COMPILE_GCONF_PEER=yes])

AM_CONDITIONAL(CREATE_GCONF_PEER_LIBRARIES, test "x${COMPILE_GCONF_PEER}" = xyes)

dnl -----------------------------------------------------------

dnl GConf native peer error checking

dnl -----------------------------------------------------------

AC_ARG_ENABLE([gconf-peers],,AC_MSG_ERROR([No --enable-gconf-peers (or --disable-gconf-peers) option; you want --enable-gconf-peer]))

dnl ------------------------------------------------------------

dnl GStreamer based sound provider backend (disabled by default)

dnl ------------------------------------------------------------

AC_ARG_ENABLE([gstreamer-peer],

              [AS_HELP_STRING(--enable-gstreamer-peer,compile GStreamer native peers (disabled by --disable-jni) [default=no])],

              [case "${enableval}" in

                yes) COMPILE_GSTREAMER_PEER=yes ;;

                no) COMPILE_GSTREAMER_PEER=no ;;

                *) COMPILE_GSTREAMER_PEER=default ;;

              esac],

              [COMPILE_GSTREAMER_PEER=default])

AM_CONDITIONAL(CREATE_GSTREAMER_PEER_LIBRARIES, test "x${COMPILE_GSTREAMER_PEER}" = xyes)

dnl -----------------------------------------------------------

dnl GStreamer native peer error checking

dnl -----------------------------------------------------------

AC_ARG_ENABLE([gstreamer-peers],,AC_MSG_ERROR([No --enable-gstreamer-peers (or --disable-gstreamer-peers) option; you want --enable-gstreamer-peer]))

dnl ------------------------------------------------------------

dnl Whether to compile with -Werror or not (disabled by default)

dnl ------------------------------------------------------------

AC_ARG_ENABLE([Werror],

              [AS_HELP_STRING(--enable-Werror,whether to compile C code with -Werror which turns any compiler warning into a compilation failure [default=no])],

              [case "${enableval}" in

                yes) ENABLE_WERROR=yes ;;

                no) ENABLE_WERROR=no ;;

                *) ENABLE_WERROR=default ;;

              esac],

              [ENABLE_WERROR=default])

dnl -----------------------------------------------------------

dnl Default AWT toolkit

dnl -----------------------------------------------------------

AC_ARG_ENABLE(default-toolkit,

  AS_HELP_STRING([--enable-default-toolkit],

                 [fully qualified class name of default AWT toolkit]))

default_toolkit=$enable_default_toolkit

if test "$default_toolkit" = ""; then

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

fi

AC_SUBST(default_toolkit)

dnl -----------------------------------------------------------

dnl Native libxml/xslt library (disabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([xmlj],

              [AS_HELP_STRING(--enable-xmlj,compile native libxml/xslt library [default=no])],

              [case "${enableval}" in

                yes) COMPILE_XMLJ=yes ;;

                no) COMPILE_XMLJ=no ;;

                *) COMPILE_XMLJ=no ;;

              esac],

              [COMPILE_XMLJ=no])

AM_CONDITIONAL(CREATE_XMLJ_LIBRARY, test "x${COMPILE_XMLJ}" = xyes)

dnl -----------------------------------------------------------

dnl ALSA code (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([alsa],

              [AS_HELP_STRING(--disable-alsa,compile ALSA providers (enable by --enable-alsa) [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_ALSA=yes ;;

                no) COMPILE_ALSA=no ;;

                *) COMPILE_ALSA=yes ;;

              esac],

              [AC_CHECK_HEADERS([alsa/asoundlib.h],

                                [AC_CHECK_LIB([asound], [snd_seq_open], COMPILE_ALSA=yes,COMPILE_ALSA=no)],

                                COMPILE_ALSA=no)])

AM_CONDITIONAL(CREATE_ALSA_LIBRARIES, test "x${COMPILE_ALSA}" = xyes)

dnl -----------------------------------------------------------

dnl DSSI code (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([dssi],

              [AS_HELP_STRING(--disable-dssi,compile DSSI providers (enable by --enable-dssi) [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_DSSI=yes ;;

                no) COMPILE_DSSI=no ;;

                *) COMPILE_DSSI=yes ;;

              esac],

              [COMPILE_DSSI=no

               AC_CHECK_HEADERS([dssi.h], [

                 AC_CHECK_HEADERS([jack/jack.h],COMPILE_DSSI=yes)])])

AM_CONDITIONAL(CREATE_DSSI_LIBRARIES, test "x${COMPILE_DSSI}" = xyes)

dnl -----------------------------------------------------------

dnl GTK native peer (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([gtk-peer],

              [AS_HELP_STRING(--disable-gtk-peer,compile GTK native peers (disabled by --disable-jni) [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_GTK_PEER=yes ;;

                no) COMPILE_GTK_PEER=no ;;

                *) COMPILE_GTK_PEER=yes ;;

              esac],

              [COMPILE_GTK_PEER=yes])

AM_CONDITIONAL(CREATE_GTK_PEER_LIBRARIES, test "x${COMPILE_GTK_PEER}" = xyes)

dnl -----------------------------------------------------------

dnl GTK native peer error checking

dnl -----------------------------------------------------------

AC_ARG_ENABLE([gtk-peers],,AC_MSG_ERROR([No --enable-gtk-peers (or --disable-gtk-peers) option; you want --enable-gtk-peer]))

dnl -----------------------------------------------------------

dnl Qt native peer (disabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([qt-peer],

              [AS_HELP_STRING(--enable-qt-peer,compile Qt4 native peers (disabled by --disable-jni) [default=no])],

              [case "${enableval}" in

                yes) COMPILE_QT_PEER=yes ;;

                no) COMPILE_QT_PEER=no ;;

                *) COMPILE_QT_PEER=yes ;;

              esac],

              [COMPILE_QT_PEER=no])

AM_CONDITIONAL(CREATE_QT_PEER_LIBRARIES, test "x${COMPILE_QT_PEER}" = xyes)

dnl -----------------------------------------------------------

dnl Plugin (disabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([plugin],

              [AS_HELP_STRING(--disable-plugin,compile gcjwebplugin (disabled by --disable-plugin) [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_PLUGIN=yes ;;

                no) COMPILE_PLUGIN=no ;;

                *) COMPILE_PLUGIN=yes ;;

              esac],

              [COMPILE_PLUGIN=no])

AM_CONDITIONAL(CREATE_PLUGIN, test "x${COMPILE_PLUGIN}" = xyes)

dnl -----------------------------------------------------------

dnl Native java.math.BigInteger (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([gmp],

              [AS_HELP_STRING(--enable-gmp,

                              compile native java.math.BigInteger library (disabled by --disable-gmp) [default=yes])],

              [case "${enableval}" in

                yes|true) COMPILE_GMP=yes ;;

                no|false) COMPILE_GMP=no ;;

                *) COMPILE_GMP=yes ;;

              esac],

              [COMPILE_GMP=yes])

dnl -----------------------------------------------------------

dnl GJDoc (enabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([gjdoc],

              [AS_HELP_STRING(--disable-gjdoc,compile GJDoc (disabled by --disable-gjdoc) [default=yes])],

              [case "${enableval}" in

                yes) COMPILE_GJDOC=yes ;;

                no) COMPILE_GJDOC=no ;;

                *) COMPILE_GJDOC=yes ;;

              esac],

              [COMPILE_GJDOC=yes])

AM_CONDITIONAL(CREATE_GJDOC, test "x${COMPILE_GJDOC}" = xyes)

dnl GCJ LOCAL: Calculates and substitutes toolexeclibdir.  $libdir is

dnl defined to the same value for all multilibs.  We define toolexeclibdir

dnl so that we can refer to the multilib installation directories from

dnl classpath's build files.

dnl -----------------------------------------------------------

CLASSPATH_TOOLEXECLIBDIR

dnl -----------------------------------------------------------

dnl Sets the native libraries installation dir

dnl -----------------------------------------------------------

dnl GCJ LOCAL: default to ${toolexeclibdir}/gcj-${gcc_version}-${libgcj_soversion}

AC_ARG_WITH([native-libdir],

            [AS_HELP_STRING(--with-native-libdir,sets the installation directory for native libraries [default='${libdir}/${PACKAGE}'])],

            [

             nativeexeclibdir=${withval}

            ],

            [

             nativeexeclibdir='${toolexeclibdir}/gcj-'`cat ${srcdir}/../../gcc/BASE-VER`-`awk -F: '/^[[^#]].*:/ { print $1 }' ${srcdir}/../libtool-version`

            ])

AC_SUBST(nativeexeclibdir)

dnl -----------------------------------------------------------

dnl Sets the Java library installation dir.

dnl -----------------------------------------------------------

AC_ARG_WITH([glibj-dir],

            [AS_HELP_STRING(--with-glibj-dir,sets the installation directory for glibj.zip [default='${libdir}/${PACKAGE}'])],

            [

             glibjdir=${withval}

            ],

            [

             glibjdir='${datadir}/${PACKAGE}'

            ])

AC_SUBST(glibjdir)

dnl -----------------------------------------------------------

dnl Sets the Antlr jar to use for compiling gjdoc

dnl -----------------------------------------------------------

AC_ARG_WITH([antlr-jar],

            [AS_HELP_STRING([--with-antlr-jar=file],[Use ANTLR from the specified jar file])],

            [

             ANTLR_JAR=$withval

            ],

            [

             ANTLR_JAR="$ANTLR_JAR"

            ])

dnl -----------------------------------------------------------

dnl Regenerate headers at build time (enabled if not found)

dnl -----------------------------------------------------------

AC_MSG_CHECKING([whether to regenerate the headers])

AC_ARG_ENABLE([regen-headers],

              [AS_HELP_STRING(--enable-regen-headers,automatically regenerate JNI headers [default=yes if headers don't exist])],

              [case "${enableval}" in

                yes) REGENERATE_JNI_HEADERS=yes ;;

                no) REGENERATE_JNI_HEADERS=no ;;

                *) REGENERATE_JNI_HEADERS=yes ;;

              esac],

              [if test -e ${srcdir}/include/java_lang_VMSystem.h; then

                        REGENERATE_JNI_HEADERS=no ;

                   else

                        REGENERATE_JNI_HEADERS=yes ;

               fi])

AC_MSG_RESULT(${REGENERATE_JNI_HEADERS})

AM_CONDITIONAL(CREATE_JNI_HEADERS, test "x${REGENERATE_JNI_HEADERS}" = xyes)

dnl ------------------------------------------------------------------------

dnl Regenerate GJDoc parser at build time (enabled if not found)

dnl ------------------------------------------------------------------------

AC_MSG_CHECKING([whether to regenerate the GJDoc parser])

AC_ARG_ENABLE([regen-gjdoc-parser],

              [AS_HELP_STRING(--enable-regen-gjdoc-parser,automatically regenerate the GJDoc parser [default=yes if generated source doesn't exist])],

              [case "${enableval}" in

                yes) REGENERATE_GJDOC_PARSER=yes ;;

                no) REGENERATE_GJDOC_PARSER=no ;;

                *) REGENERATE_GJDOC_PARSER=yes ;;

              esac],

              [if test -e ${srcdir}/tools/generated/gnu/classpath/tools/gjdoc/expr/JavaLexer.java; then

                        REGENERATE_GJDOC_PARSER=no ;

                   else

                        REGENERATE_GJDOC_PARSER=yes ;

               fi])

AC_MSG_RESULT(${REGENERATE_GJDOC_PARSER})

AM_CONDITIONAL(CREATE_GJDOC_PARSER, test "x${REGENERATE_GJDOC_PARSER}" = xyes)

dnl -----------------------------------------------------------

dnl Enable tool wrapper binaries (disabled by default)

dnl -----------------------------------------------------------

AC_ARG_ENABLE([tool-wrappers],

              [AS_HELP_STRING(--enable-tool-wrappers,create tool wrapper binaries [default=no])],

              [case x"${enableval}" in

                xyes)

                  COMPILE_WRAPPERS=yes;

                  AC_CHECK_HEADERS([ltdl.h],, [AC_MSG_ERROR(cannot find ltdl.h)])

                  AC_CHECK_LIB(ltdl, lt_dlopen,, [AC_MSG_ERROR(cannot find libltdl)])

                  ;;

                xno) COMPILE_WRAPPERS=no ;;

                x) COMPILE_WRAPPERS=yes ;;

                *) COMPILE_WRAPPERS=yes ;;

              esac],

              [COMPILE_WRAPPERS=no])

AM_CONDITIONAL(CREATE_WRAPPERS, test "x${COMPILE_WRAPPERS}" = xyes)

AC_PROG_LN_S

AC_PROG_INSTALL

dnl -----------------------------------------------------------

dnl Checks for programs.

dnl -----------------------------------------------------------

dnl Initialize libtool

AC_DISABLE_STATIC

LT_INIT

AC_PROG_AWK

AC_PROG_CC

AM_PROG_CC_C_O

AC_PROG_CPP

AC_PROG_CXX

# Handle -Werror default case.

if test "$ENABLE_WERROR" = default; then

  case "$host_os" in

    *linux*)

      if test "$GCC" = yes; then

        ENABLE_WERROR=yes

      fi

      ;;

  esac

fi

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

  AC_PATH_PROG(PERL, [perl])

  AC_SUBST(PERL)

  AC_SUBST(COLLECTIONS_PREFIX)

  AC_CONFIG_FILES([lib/mkcollections.pl])

  AC_CONFIG_COMMANDS([mkcollections.pl],[chmod 755 lib/mkcollections.pl])

fi

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

  GCC_ATTRIBUTE_UNUSED

  AC_HEADER_STDC

  dnl Checking sizeof void * is needed for fdlibm to work properly on ppc64,

  dnl at least.

  AC_COMPILE_CHECK_SIZEOF(void *)

  dnl Checking for endianess.

  AC_C_BIGENDIAN_CROSS

  dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.

  dnl On that system, sys/ioctl.h will not include sys/filio.h unless

  dnl BSD_COMP is defined; just including sys/filio.h is simpler.

  dnl Check for crt_externs.h on Darwin.

  dnl Check for netinet/in_systm.h, netinet/ip.h and net/if.h for Windows CE.

  dnl Check for sys/loadavg.h for getloadavg() on Solaris 9.

  dnl Check for sys/sockio.h for SIOCGIFFLAGS on OpenSolaris.

  AC_CHECK_HEADERS([unistd.h sys/types.h sys/config.h sys/ioctl.h \

                    asm/ioctls.h \

                    inttypes.h stdint.h utime.h sys/utime.h sys/filio.h \

                    sys/time.h \

                    sys/select.h \

                    crt_externs.h \

                    fcntl.h \

                    sys/mman.h \

                    magic.h \

                    sys/event.h sys/epoll.h \

                    ifaddrs.h \

                    netinet/in_systm.h netinet/ip.h net/if.h \

                    sys/loadavg.h sys/sockio.h])

  AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))

  AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))

  AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))

  AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))

  AC_SEARCH_LIBS([inet_pton],[nsl])

  AC_CHECK_LIB([socket], [gethostname])

  AC_CHECK_FUNCS([ftruncate fsync select \

                  gethostname socket strerror fork pipe execve open close \

                  lseek fstat read readv write writev htonl memset htons connect \

                  getsockname getpeername bind listen accept \

                  recvfrom send sendto setsockopt getsockopt time mktime \

                  gethostbyname_r localtime_r \

                  strerror_r \

                  fcntl \

                  statvfs \

                  mmap munmap mincore msync madvise getpagesize sysconf \

                  lstat readlink \

                  inet_aton inet_addr inet_pton \

                  getifaddrs kqueue kevent epoll_create \

                  getloadavg])

  LIBMAGIC=

  AC_CHECK_LIB(magic, magic_open, LIBMAGIC=-lmagic)

  AC_SUBST(LIBMAGIC)

  AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])

  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct sockaddr_in6 addr6;]])],

                    [AC_DEFINE(HAVE_INET6, 1,

                     [Define if inet6 structures are defined in netinet/in.h.])

                     AC_MSG_RESULT(yes)],

                    [AC_MSG_RESULT(no)])

  AC_HEADER_TIME

  AC_STRUCT_TM

  AC_STRUCT_TIMEZONE

  AC_MSG_CHECKING([for tm_gmtoff in struct tm])

  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]],[[struct tm tim; tim.tm_gmtoff = 0;]])],

  [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])

   AC_MSG_RESULT(yes)],

  [AC_MSG_RESULT(no)

   AC_MSG_CHECKING([for global timezone variable])

   dnl FIXME: we don't want a link check here because that won't work

   dnl when cross-compiling.  So instead we make an assumption that

   dnl the header file will mention timezone if it exists.

   dnl Don't find the win32 function timezone

   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[void i(){long z2 = 2*timezone;}]])],

     [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])

      AC_MSG_RESULT(yes)],

     [AC_MSG_RESULT(no)

       AC_MSG_CHECKING([for global _timezone variable])

       dnl FIXME: As above, don't want link check

       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[long z2 = _timezone;]])],

         [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,

            [Define if your platform has the global _timezone variable.])

          AC_MSG_RESULT(yes)],

          [AC_MSG_RESULT(no)])])])

  AC_C_CONST

  AC_C_INLINE

  AC_C_ATTRIBUTE

  AX_FUNC_WHICH_GETHOSTBYNAME_R

  dnl See if we HAVE_ICONV, how ICONV_CONST is set and LTLIBICONV

  AM_ICONV

  dnl When using gcc we want warnings, lots of warnings :-)

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

    dnl We want ISO C90 ansi, but with longlong (jlong) support

    dnl and modern POSIX and BSD C library functions/prototypes.

    dnl Warning flags for (almost) everybody.

    dnl Should probably be configurable

    WARNING_CFLAGS='-W -Wall -Wmissing-declarations -Wwrite-strings -Wmissing-prototypes -Wno-long-long'

    AC_SUBST(WARNING_CFLAGS)

    dnl CFLAGS that are used for all native code.  We want to compile

    dnl everything with unwinder data so that backtrace() will always

    dnl work.

    EXTRA_CFLAGS='-fexceptions -fasynchronous-unwind-tables'

    AC_SUBST(EXTRA_CFLAGS)

    dnl Strict warning flags which not every module uses.

    dnl Should probably be configurable.

    STRICT_WARNING_CFLAGS='-Wstrict-prototypes -pedantic'

    AC_SUBST(STRICT_WARNING_CFLAGS)

    dnl Whether or not to add -Werror, also not used by all modueles.

    dnl Can be configured by --disable-Werror

    ERROR_CFLAGS=

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

       ERROR_CFLAGS='-Werror'

    fi

    AC_SUBST(ERROR_CFLAGS)

  fi

  dnl Check for libxml and libxslt libraries (when xmlj is enabled).

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

    PKG_CHECK_MODULES(XML, libxml-2.0 >= 2.6.8)

    PKG_CHECK_MODULES(XSLT, libxslt >= 1.1.11)

    AC_SUBST(XML_LIBS)

    AC_SUBST(XML_CFLAGS)

    AC_SUBST(XSLT_LIBS)

    AC_SUBST(XSLT_CFLAGS)

  fi

  dnl Check for AWT related gthread/gtk

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

    AC_PATH_XTRA

    if test "$no_x" = yes; then

        AC_MSG_ERROR([GTK+ peers requested but no X library available])

    fi

    dnl Check if we can link against the XTest library and set

    dnl HAVE_XTEST accordingly.

    AC_CHECK_LIB([Xtst], [XTestQueryExtension],

                 [AC_DEFINE(HAVE_XTEST, 1, [Define to 1 if you have libXtst.])[XTEST_LIBS="$XTEST_LIBS -X11 -lXtst"]],

                 [true],

                 [${X_LIBS}])

    PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.8 gthread-2.0 >= 2.2 gdk-pixbuf-2.0)

    PKG_CHECK_MODULES(FREETYPE2, freetype2)

    PKG_CHECK_MODULES(PANGOFT2, pangoft2)

    PKG_CHECK_MODULES(CAIRO, cairo >= 1.1.8)

    dnl Check if we can link against the XRender library and set

    dnl HAVE_XRENDER accordingly.

    AC_CHECK_LIB([Xrender], [XRenderQueryExtension],

                 [AC_DEFINE(HAVE_XRENDER, 1, [Define to 1 if you have libXrender.])[X_EXTRA_LIBS="$X_EXTRA_LIBS -lXrender"]],

                 [true],

                 [${X_LIBS}])

    dnl Check if we can link against the XRandR library and set

    dnl HAVE_XRANDR accordingly.

    AC_CHECK_LIB([Xrandr], [XRRQueryExtension],

                 [AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have libXrandr.])[X_EXTRA_LIBS="$X_EXTRA_LIBS -lXrandr"]],

                 [true],

                 [${X_LIBS}])

    AC_SUBST(GTK_CFLAGS)

    AC_SUBST(GTK_LIBS)

    AC_SUBST(FREETYPE2_LIBS)

    AC_SUBST(FREETYPE2_CFLAGS)

    AC_SUBST(PANGOFT2_LIBS)

    AC_SUBST(PANGOFT2_CFLAGS)

    AC_SUBST(XTEST_LIBS)

  fi

  dnl gconf-peer

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

    PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.6.0)

    AC_SUBST(GCONF_CFLAGS)

    AC_SUBST(GCONF_LIBS)

    dnl we also need gdk for locking

    PKG_CHECK_MODULES(GDK, gdk-2.0 >= 2.8)

    AC_SUBST(GDK_CFLAGS)

    AC_SUBST(GDK_LIBS)

    dnl check if the config value was given form the command line,

    dnl if not, overwrite the default if we have the gconf backend

    dnl compiled in

    USE_GCONF_PREFS_PEER=$enable_default_preferences_peer

    if test "$USE_GCONF_PREFS_PEER" = ""; then

      DEFAULT_PREFS_PEER=gnu.java.util.prefs.GConfBasedFactory

    fi

  fi

  dnl gstreamer-peer

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

    GST_MAJORMINOR=0.10

    GST_REQUIRED=0.10.10

    dnl gstreamer

    PKG_CHECK_MODULES(GSTREAMER, gstreamer-$GST_MAJORMINOR >= $GST_REQUIRED)

    AC_SUBST(GSTREAMER_CFLAGS)

    AC_SUBST(GSTREAMER_LIBS)

    dnl gstreamer-base

    PKG_CHECK_MODULES(GSTREAMER_BASE,

                      gstreamer-base-$GST_MAJORMINOR >= $GST_REQUIRED)

    AC_SUBST(GSTREAMER_BASE_CFLAGS)

    AC_SUBST(GSTREAMER_BASE_LIBS)

    dnl gstreamer-plugin-base

    PKG_CHECK_MODULES(GSTREAMER_PLUGINS_BASE,

                      gstreamer-plugins-base-$GST_MAJORMINOR >= $GST_REQUIRED)

    AC_SUBST(GSTREAMER_PLUGINS_BASE_CFLAGS)

    AC_SUBST(GSTREAMER_PLUGINS_BASE_LIBS)

        GST_PLUGIN_LDFLAGS='-module -avoid-version -Wno-unused-parameter -no-undefined'

        AC_SUBST(GST_PLUGIN_LDFLAGS)

    PKG_CHECK_MODULES(GDK, gdk-2.0 >= 2.8)

    AC_SUBST(GDK_CFLAGS)

    AC_SUBST(GDK_LIBS)

        dnl set the gstreamer based file reader, writer and mixer

        GSTREAMER_FILE_READER=gnu.javax.sound.sampled.gstreamer.io.GstAudioFileReader

        GSTREAMER_MIXER_PROVIDER=gnu.javax.sound.sampled.gstreamer.GStreamerMixerProvider

  fi

  dnl add the gstreamer resources

  AC_SUBST(GSTREAMER_FILE_READER)

  AC_SUBST(GSTREAMER_MIXER_PROVIDER)

  dnl Check for AWT related Qt4

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

    PKG_CHECK_MODULES(QT, QtCore QtGui >= 4.1.0, HAVE_QT4="yes", HAVE_QT4="no")

    if test "x$HAVE_QT4" = "xyes"; then

      dnl Check needed because in some cases the QtGui includedir

      dnl doesn't contain the subsystem dir.

      QT_INCLUDE_DIR=`$PKG_CONFIG --variable=includedir QtGui`

      EXTRA_QT_INCLUDE_DIR="$QT_INCLUDE_DIR/Qt"

      AC_CHECK_FILE([$QT_INCLUDE_DIR/QWidget],

      AC_MSG_NOTICE([No extra QT_INCLUDE_DIR needed]),

      AC_CHECK_FILE([$EXTRA_QT_INCLUDE_DIR/QWidget],

        QT_CFLAGS="$QT_CFLAGS -I$EXTRA_QT_INCLUDE_DIR",

        AC_MSG_WARN([QWidget not found])))

        AC_CHECK_PROG(MOC, [moc], [moc])

        AC_CHECK_PROG(MOC, [moc-qt4], [moc-qt4])

    fi

    if test "x$HAVE_QT4" = "xno"; then

      AC_MSG_NOTICE([Looking for QT_CFLAGS and QT_LIBS without pkg-config])

      case "$host_os" in

        darwin*)

          AC_ARG_WITH([qt4dir],

            [AS_HELP_STRING([--with-qt4dir=DIR],

            [Qt4 installation directory used for OS-X.

            For other systems use pkg-config.])],

            [QT4DIR=$withval]

            )

          if test x"$QT4DIR" = x ; then

            AC_MSG_ERROR([*** No path for Qt4 --with-qt4dir option given])

          fi

          AC_MSG_RESULT([QT4DIR... $QT4DIR])

          AC_CHECK_PROG(MOC, [moc], [$QT4DIR/bin/moc], [], $QT4DIR/bin)

          if test x"$MOC" = x; then

            AC_MSG_ERROR([*** This is not the right Qt installation])

          fi

          QT_CFLAGS="-F$QT4DIR/lib -I$QT4DIR/lib/QtCore.framework/Headers"

          QT_CFLAGS="$QT_CFLAGS -I$QT4DIR/lib/QtGui.framework/Headers"

          QT_LIBS="-Xlinker -F$QT4DIR/lib -Xlinker -framework -Xlinker QtCore"

          QT_LIBS="$QT_LIBS -Xlinker -framework -Xlinker QtGui"

          ;;

        *)

          AC_MSG_ERROR([*** Please check PKG_CONFIG_PATH or the version

          of your installed Qt4 installation.])

          ;;

      esac

    fi

    AC_MSG_NOTICE([Set QT_CFLAGS... $QT_CFLAGS])

    AC_SUBST(QT_CFLAGS)

    AC_SUBST(QT_LIBS)

  fi

  dnl **********************************************************************

  dnl Check for MSG_NOSIGNAL

  dnl **********************************************************************

  AC_MSG_CHECKING(for MSG_NOSIGNAL)

  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ int f = MSG_NOSIGNAL; ]])],[ AC_MSG_RESULT(yes)

     AC_DEFINE(HAVE_MSG_NOSIGNAL, 1,

               [Define this symbol if you have MSG_NOSIGNAL]) ],[ AC_MSG_RESULT(no)

  ])

 dnl **********************************************************************

 dnl Check for SO_NOSIGPIPE (Darwin equivalent for MSG_NOSIGNAL)

 dnl **********************************************************************

 AC_MSG_CHECKING(for SO_NOSIGPIPE )

 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ int f = SO_NOSIGPIPE; ]])],[ AC_MSG_RESULT(yes)

    AC_DEFINE(HAVE_SO_NOSIGPIPE, 1,

              [Define this symbol if you have SO_NOSIGPIPE]) ],[ AC_MSG_RESULT(no)

 ])

  dnl **********************************************************************

  dnl Check for MSG_WAITALL

  dnl **********************************************************************

  AC_MSG_CHECKING(for MSG_WAITALL)

  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ int f = MSG_WAITALL; ]])],[ AC_MSG_RESULT(yes)

     AC_DEFINE(HAVE_MSG_WAITALL, 1,

               [Define this symbol if you have MSG_WAITALL]) ],[ AC_MSG_RESULT(no)

  ])

  dnl Check for plugin support headers and libraries.

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

    PKG_CHECK_MODULES(MOZILLA, mozilla-plugin libxul-unstable, [MOZILLA_FOUND=yes], [MOZILLA_FOUND=no])

    if test "x${MOZILLA_FOUND}" = xno; then

      PKG_CHECK_MODULES(MOZILLA, mozilla-plugin, [MOZILLA_FOUND=yes], [MOZILLA_FOUND=no])

    fi

    if test "x${MOZILLA_FOUND}" = xno; then

      PKG_CHECK_MODULES(MOZILLA, firefox-plugin firefox-xpcom, [MOZILLA_FOUND=yes], [MOZILLA_FOUND=no])

    fi

    if test "x${MOZILLA_FOUND}" = xno; then

      PKG_CHECK_MODULES(MOZILLA, xulrunner-plugin xulrunner-xpcom, [MOZILLA_FOUND=yes], [MOZILLA_FOUND=no])

    fi

    if test "x${MOZILLA_FOUND}" = xno; then

      PKG_CHECK_MODULES(MOZILLA, mozilla-firefox-plugin mozilla-firefox-xpcom, [MOZILLA_FOUND=yes], [MOZILLA_FOUND=no])

    fi

    if test "x${MOZILLA_FOUND}" = xno; then

      PKG_CHECK_MODULES(MOZILLA, seamonkey-plugin seamonkey-xpcom, [MOZILLA_FOUND=yes], [MOZILLA_FOUND=no])

    fi

    if test "x${MOZILLA_FOUND}" = xno; then

      PKG_CHECK_MODULES(MOZILLA, iceape-plugin iceape-xpcom, [MOZILLA_FOUND=yes], [MOZILLA_FOUND=no])

    fi

    if test "x${MOZILLA_FOUND}" = xno; then

      AC_MSG_ERROR([Couldn't find plugin support headers and libraries, try --disable-plugin])

    fi

    PKG_CHECK_MODULES(GLIB, glib-2.0)

    PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.8 gthread-2.0 >= 2.2 gdk-pixbuf-2.0)

    AC_SUBST(MOZILLA_CFLAGS)

    AC_SUBST(MOZILLA_LIBS)

    AC_SUBST(GLIB_CFLAGS)

    AC_SUBST(GLIB_LIBS)

    AC_SUBST(GTK_CFLAGS)

    AC_SUBST(GTK_LIBS)

    AC_SUBST(PLUGIN_DIR, $HOME/.mozilla/plugins/)

  fi

  dnl Check for GNU MP library and header file

  dnl for GNU MP versions >= 4.2 use __gmpz_combit; otherwise look for

  dnl __gmpz_mul_si for earlier versions (>= 3.1).

  dnl IMPORTANT: if you decide to look for __gmpz_combit, don't forget to

  dnl change the name of the corresponding ac_ variable on lines 860...

  AC_ARG_WITH(gmp, [  --with-gmp=PATH         specify prefix directory for the installed GMP package.

                          Equivalent to --with-gmp-include=PATH/include

                          plus --with-gmp-lib=PATH/lib])

  AC_ARG_WITH(gmp_include, [  --with-gmp-include=PATH specify directory for installed GMP include files])

  AC_ARG_WITH(gmp_lib, [  --with-gmp-lib=PATH     specify directory for the installed GMP library])

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

    gmplibs=-lgmp

    gmpinc=

    gmplibs="-L$with_gmp/lib $gmplibs"

    gmpinc="-I$with_gmp/include $gmpinc"

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

      gmpinc="-I$with_gmp_include $gmpinc"

    fi

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

      gmplibs="-L$with_gmp_lib $gmplibs"

    fi

  else

    gmplibs="-lgmp"

    gmpinc="-I/usr/include"

  fi

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

    AC_MSG_CHECKING([for GMP directories])

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

       gmplibs="-L$with_gmp/lib -lgmp"

       gmpinc="-I$with_gmp/include"

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

          gmpinc="-I$with_gmp_include $gmpinc"

       fi

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

          gmplibs="-L$with_gmp_lib $gmplibs"

       fi

    else

        with_gmp="/usr"

        gmplibs="-lgmp"

        gmpinc="-I/usr/include"

    fi

    AC_MSG_RESULT([prefix=$with_gmp, libs=$gmplibs, inc=$gmpinc])

    AC_CHECK_LIB(gmp, __gmpz_mul_si,

      [GMP_CFLAGS="$gmpinc"

       GMP_LIBS="$gmplibs" ],

      [GMP_CFLAGS=

       GMP_LIBS= ])

    AC_SUBST(GMP_CFLAGS)

    AC_SUBST(GMP_LIBS)

    AC_CHECK_HEADERS([gmp.h])

  fi

else

  COMPILE_GMP=no

fi

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

  CLASSPATH_WITH_JAVAH

fi

dnl -----------------------------------------------------------

dnl Add the include files for the native abstraction layer.

dnl Used by AM_CPPFLAGS in the different modules.

dnl -----------------------------------------------------------

CLASSPATH_INCLUDES="-I\$(top_srcdir)/include -I\$(top_srcdir)/native/jni/classpath -I\$(top_srcdir)/native/jni/native-lib"

AC_SUBST(CLASSPATH_INCLUDES)

dnl -----------------------------------------------------------

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

  AC_MSG_CHECKING(jni_md.h support)

  if test -f ${srcdir}/include/jni_md-${target_cpu}-${target_os}.h; then

    AC_MSG_RESULT(yes)

  else

    target_cpu=x86

    target_os=linux-gnu

    AC_MSG_WARN(no, using x86-linux-gnu)

  fi

  ac_sources="include/jni_md-${target_cpu}-${target_os}.h"

  ac_dests="include/jni_md.h"

  while test -n "$ac_sources"; do

    set $ac_dests; ac_dest=$1; shift; ac_dests=$*

    set $ac_sources; ac_source=$1; shift; ac_sources=$*

    ac_config_links_1="$ac_config_links_1 $ac_dest:$ac_source"

  done

  AC_CONFIG_LINKS([$ac_config_links_1])

fi

CLASSPATH_WITH_CLASSLIB

dnl -----------------------------------------------------------

dnl Initialize maintainer mode

dnl -----------------------------------------------------------

AM_MAINTAINER_MODE

dnl -----------------------------------------------------------

dnl Enable debugging statements at compile time.  By default

dnl these statements should be optimized out of the bytecode

dnl produced by an optimizing Java compiler and not hinder

dnl performance because debugging is turned off by default.

dnl -----------------------------------------------------------

AC_ARG_ENABLE([debug],

              [AS_HELP_STRING(--enable-debug,enable runtime debugging code)],

              [case "${enableval}" in

                yes)

                LIBDEBUG="true"

                AC_DEFINE(DEBUG, 1, [Define to 1 if you want native library runtime debugging code enabled])

                ;;

                no)   LIBDEBUG="false" ;;

                *)      AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;

              esac],

              [LIBDEBUG="false"])

AC_SUBST(LIBDEBUG)

dnl -----------------------------------------------------------

dnl Enable execution of all static initializer loadLibrary()

dnl calls at compile time.  By default most people will not

dnl want to disable this, but some VMs (gcj) don't need or want

dnl them.

dnl -----------------------------------------------------------

AC_ARG_ENABLE([load-library],

              [AS_HELP_STRING(--enable-load-library,enable to use JNI native methods [default=yes])],

              [case "${enableval}" in

                yes) INIT_LOAD_LIBRARY="true" ;;

                no) INIT_LOAD_LIBRARY="false" ;;

                *) AC_MSG_ERROR(bad value ${enableval} for --enable-load-library) ;;

              esac],

              [INIT_LOAD_LIBRARY="true"])

AC_SUBST(INIT_LOAD_LIBRARY)

dnl -----------------------------------------------------------

dnl Specify the jar file containing the Eclipse Java Compiler.  If

dnl this option is not specified then the com.sun.tools.javac

dnl implementation will not be included in tools.zip.

dnl -----------------------------------------------------------