configure.ac - imx-gst-plugins-good - Git at Google

 dnl autoconf configuration file for gst-plugins
 AC_INIT
 AC_CANONICAL_TARGET

 dnl We disable static building for development, for time savings
 dnl this goes before AS_LIBTOOL to appease autoconf
 dnl *NOTE*: dnl this line before release, so release does static too
 AM_DISABLE_STATIC

 dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
 AM_MAINTAINER_MODE

 dnl when going to/from release please set the nano (fourth number) right !
 dnl releases only do Wall, cvs and prerelease does Werror too
 AS_VERSION(gst-plugins, GST_PLUGINS_VERSION, 0, 9, 0, 1, GST_CVS="no", GST_CVS="yes")

 AM_INIT_AUTOMAKE($PACKAGE,$VERSION)

 dnl our libraries and install dirs use major.minor as a version
 GST_MAJORMINOR=$GST_PLUGINS_VERSION_MAJOR.$GST_PLUGINS_VERSION_MINOR
 dnl we override it here if we need to for the release candidate of new series
 GST_MAJORMINOR=0.9
 AC_SUBST(GST_MAJORMINOR)

 dnl CURRENT, REVISION, AGE
 dnl - library source changed -> increment REVISION
 dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
 dnl - interfaces added -> increment AGE
 dnl - interfaces removed -> AGE = 0
 dnl for 0.8.3 release, gst_play_get_all_by_interface was added, so update
 AS_LIBTOOL(GST_PLUGINS, 1, 0, 1)
 AS_LIBTOOL_TAGS([CXX])
 AM_PROG_LIBTOOL

 dnl FIXME take something else ?
 AC_CONFIG_SRCDIR([gst/law/alaw.c])
 AM_CONFIG_HEADER(config.h)

 dnl Add parameters for aclocal
 dnl (This must come after AM_INIT_AUTOMAKE, since it modifies ACLOCAL)
 ACLOCAL_FLAGS="-I m4 -I common/m4"
 AC_SUBST(ACLOCAL_AMFLAGS, $ACLOCAL_FLAGS)

 AC_PROG_CC
 AM_PROG_CC_STDC
 AM_PROG_AS
 AS="${CC}"
 AS_PROG_OBJC

 dnl the gettext stuff needed
 AM_GNU_GETTEXT_VERSION(0.11.5)
 AM_GNU_GETTEXT([external])

 GETTEXT_PACKAGE=gst-plugins-$GST_MAJORMINOR
 AC_SUBST(GETTEXT_PACKAGE)
 AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], "$GETTEXT_PACKAGE",
                   [gettext package name])

 dnl define LOCALEDIR in config.h
 AS_AC_EXPAND(LOCALEDIR, $datadir/locale)
 AC_DEFINE_UNQUOTED([LOCALEDIR], "$LOCALEDIR",
                    [gettext locale dir])

 dnl decide on error flags
 AS_COMPILER_FLAG(-Wall, GST_WALL="yes", GST_WALL="no")

 if test "x$GST_WALL" = "xyes"; then
    GST_ERROR="$GST_ERROR -Wall"

    if test "x$GST_CVS" = "xyes"; then
      AS_COMPILER_FLAG(-Werror,GST_ERROR="$GST_ERROR -Werror",GST_ERROR="$GST_ERROR")
    fi
 fi

 dnl determine c++ compiler
 AC_PROG_CXX
 dnl determine if c++ is available on this system
 AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
 dnl determine c++ preprocessor
 AC_PROG_CXXCPP
 AC_ISC_POSIX

 AC_HEADER_STDC([])
 AC_C_INLINE
 AX_CREATE_STDINT_H

 dnl Check for malloc.h
 AC_CHECK_HEADER(malloc.h,[
   AC_DEFINE(HAVE_MALLOC_H, 1, [whether malloc.h available])
 ])

 dnl Check for a way to display the function name in debug output
 GST_CHECK_FUNCTION()

 dnl define correct errorlevel for debugging messages. We want to have GST_ERROR
 dnl messages printed when running cvs builds
 if test "x$GST_CVS" = "xyes"; then
   AC_DEFINE(GST_LEVEL_DEFAULT, GST_LEVEL_ERROR, [Default errorlevel to use])
 fi

 dnl Check for FIONREAD ioctl declaration :
 GST_CHECK_FIONREAD()

 DEFAULT_AUDIOSINK="autoaudiosink"
 DEFAULT_VIDEOSINK="autovideosink"
 DEFAULT_AUDIOSRC="alsasrc"
 DEFAULT_VIDEOSRC="v4lsrc"
 DEFAULT_VISUALIZER="goom"
 case "$host" in
   *-sun-* | *pc-solaris* )
     DEFAULT_AUDIOSRC="sunaudiosrc"
     ;;
   *-darwin* )
     DEFAULT_AUDIOSRC="osxaudiosrc"
     ;;
 esac

 AC_SUBST(DEFAULT_AUDIOSINK)
 AC_DEFINE_UNQUOTED(DEFAULT_AUDIOSINK,"$DEFAULT_AUDIOSINK",[Default audio sink])
 AC_SUBST(DEFAULT_AUDIOSRC)
 AC_DEFINE_UNQUOTED(DEFAULT_AUDIOSRC,"$DEFAULT_AUDIOSRC",[Default audio source])
 AC_SUBST(DEFAULT_VIDEOSINK)
 AC_DEFINE_UNQUOTED(DEFAULT_VIDEOSINK,"$DEFAULT_VIDEOSINK",[Default video sink])
 AC_SUBST(DEFAULT_VIDEOSRC)
 AC_DEFINE_UNQUOTED(DEFAULT_VIDEOSRC,"$DEFAULT_VIDEOSRC",[Default video source])
 AC_SUBST(DEFAULT_VISUALIZER)
 AC_DEFINE_UNQUOTED(DEFAULT_VISUALIZER,"$DEFAULT_VISUALIZER",[Default visualizer])

 dnl ############################################
 dnl # Super Duper options for plug-in building #
 dnl ############################################

 dnl ext plug-ins; plug-ins that have external dependencies
 GST_CHECK_FEATURE(EXTERNAL, [enable building of plug-ins with external deps],,
 [HAVE_EXTERNAL=yes],enabled,
 [
   AC_MSG_WARN(building external plug-ins)
   BUILD_EXTERNAL="yes"
 ],[
   AC_MSG_WARN(all plug-ins with external dependencies will not be built)
   BUILD_EXTERNAL="no"
 ])
 # make BUILD_EXTERNAL available to Makefile.am
 AM_CONDITIONAL(BUILD_EXTERNAL, test "x$BUILD_EXTERNAL" = "xyes")

 dnl experimental plug-ins; stuff that hasn't had the dust settle yet
 dnl read 'builds, but might not work'UTO
 GST_CHECK_FEATURE(EXPERIMENTAL, [enable building of experimental plug-ins],,
 [HAVE_EXPERIMENTAL=yes],disabled,
 [
   AC_MSG_WARN(building experimental plug-ins)
   USE_TARKIN="yes"
 ],[
   AC_MSG_NOTICE(not building experimental plug-ins)
   USE_TARKIN="no"
 ])

 dnl broken plug-ins; stuff that doesn't seem to build at the moment
 GST_CHECK_FEATURE(BROKEN, [enable building of broken plug-ins],,
 HAVE_BROKEN=yes,disabled,
 [
   AC_MSG_WARN([building broken plug-ins -- no bug reports on these, only patches :)])
 ],[
   AC_MSG_NOTICE([not building broken plug-ins])
 ])

 dnl ##############################
 dnl # Do automated configuration #
 dnl ##############################

 dnl Check for tools:
 dnl ================

 dnl allow for different autotools
 AS_AUTOTOOLS_ALTERNATE()

 dnl modify pkg-config path
 AC_ARG_WITH(pkg-config-path,
    AC_HELP_STRING([--with-pkg-config-path],[colon-separated list of pkg-config(1) dirs]),
    [export PKG_CONFIG_PATH=${withval}])

 GST_DOC()
 dnl check architecture
 GST_ARCH()

 dnl check for gconftool-2

 dnl this macro defines an am conditional, so it needs to be run always
 AM_GCONF_SOURCE_2

 translit(dnm, m, l) AM_CONDITIONAL(USE_GCONFTOOL, true)
 GST_CHECK_FEATURE(GCONFTOOL, [GConf schemas], , [
   AC_PATH_PROG(GCONFTOOL, gconftool-2, no)
   if test x$GCONFTOOL = xno; then
     AC_MSG_WARN(Not installing GConf schemas)
     HAVE_GCONFTOOL="no"
   else
     HAVE_GCONFTOOL="yes"
   fi
   AC_SUBST(HAVE_GCONFTOOL)
 ])

 dnl check for GConf libraries
 translit(dnm, m, l) AM_CONDITIONAL(USE_GCONF, true)
 GST_CHECK_FEATURE(GCONF, [GConf libraries], , [
   PKG_CHECK_MODULES(GCONF, gconf-2.0, HAVE_GCONF="yes", HAVE_GCONF="no")
   AC_SUBST(GCONF_CFLAGS)
   AC_SUBST(GCONF_LIBS)
 ])

 dnl check for gstreamer
 dnl uninstalled is selected preferentially -- see pkg-config(1)
 GST_REQ=0.9.0.1
 PKG_CHECK_MODULES(GST, gstreamer-$GST_MAJORMINOR >= $GST_REQ,
   HAVE_GST="yes", HAVE_GST="no")

 if test "x$HAVE_GST" = "xno"; then
   AC_MSG_ERROR(no GStreamer found)
 fi

 GST_TOOLS_DIR=`pkg-config --variable=toolsdir gstreamer-$GST_MAJORMINOR`
 if test -z $GST_TOOLS_DIR; then
   AC_MSG_ERROR([no tools dir defined in GStreamer pkg-config file; core upgrade needed.])
 fi
 AC_SUBST(GST_TOOLS_DIR)

 dnl check for gstreamer-base; uninstalled is selected preferentially
 PKG_CHECK_MODULES(GST_BASE, gstreamer-base-$GST_MAJORMINOR >= $GST_REQ,
   HAVE_GST_BASE="yes", HAVE_GST_BASE="no")

 if test "x$HAVE_GST_BASE" = "xno"; then
   AC_MSG_ERROR(no GStreamer Base Libs found)
 fi

 AC_SUBST(GST_BASE_LIBS)
 AC_SUBST(GST_BASE_CFLAGS)

 dnl check for gstreamer-plugins-base; uinstalled is selected preferentially
 PKG_CHECK_MODULES(GST_PLUGINS_BASE,
   gstreamer-plugins-base-$GST_MAJORMINOR >= $GST_REQ,
   HAVE_GST_PLUGINS_BASE="yes", HAVE_GST_PLUGINS_BASE="no")

 if test "x$HAVE_GST_PLUGINS_BASE" = "xno"; then
   AC_MSG_ERROR(no GStreamer Base Plugins development files found)
 fi

 AC_SUBST(GST_PLUGINS_BASE_LIBS)
 AC_SUBST(GST_PLUGINS_BASE_CFLAGS)

 dnl Determine endianness
 AC_C_BIGENDIAN

 dnl Check for fast float to int casting as defined in C99
 AC_C99_FUNC_LRINT()
 AC_C99_FUNC_LRINTF()

 dnl Check for essential libraries first:
 dnl ====================================

 GST_GLIB2_CHECK()

 dnl Check for additional libraries that we might use:
 dnl =================================================

 # we set the defaults always to make sure we have non-empty variables
 # for the Makefile

 PKG_CHECK_MODULES(LIBOIL, liboil-0.3 >= 0.3.0, HAVE_LIBOIL=yes, HAVE_LIBOIL=no)
 AC_SUBST(LIBOIL_CFLAGS)
 AC_SUBST(LIBOIL_LIBS)
 if test "x${HAVE_LIBOIL}" = xyes ; then
   #AC_DEFINE_UNQUOTED(HAVE_LIBOIL, 1, [Define if liboil is being used])
   true
 fi

 dnl ===========================================================================
 dnl ============================= gst plug-ins ================================
 dnl ===========================================================================

 plugindir="\$(libdir)/gstreamer-$GST_MAJORMINOR"
 AC_SUBST(plugindir)

 GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '[_]*(gst_|Gst|GST_).*' $GST_LIBS"
 AC_SUBST(GST_PLUGIN_LDFLAGS)

 dnl these are all the gst plug-ins, compilable without additional libs
 GST_PLUGINS_ALL="\
 		videofilter \
 		alpha \
 		autodetect \
 		avi \
 		effectv \
 		fdsrc \
 		goom \
 		law \
 		level \
 		qtdemux \
 		realmedia \
 		rtp	\
 		rtsp	\
 		smpte	\
 		silence \
 		udp     \
 		videobox \
 		wavparse \
                 "

 dnl see if we can build C++ plug-ins
 if test "x$HAVE_CXX" = "xyes"; then
   GST_PLUGINS_ALL="$GST_PLUGINS_ALL"
 else
   AC_MSG_WARN([Not compiling plug-ins requiring C++ compiler])
 fi

 AC_SUBST(GST_PLUGINS_ALL)

 GST_PLUGINS_SELECTED=""

 AC_ARG_WITH(plugins,
     AC_HELP_STRING([--with-plugins],[comma-separated list of plug-ins to compile]),
     [for i in `echo $withval | tr , ' '`; do
         if echo $GST_PLUGINS_ALL | grep $i > /dev/null
         then
             GST_PLUGINS_SELECTED="$GST_PLUGINS_SELECTED $i"
         else
             echo "plug-in $i not recognized, ignoring..."
         fi
     done],
     [GST_PLUGINS_SELECTED=$GST_PLUGINS_ALL])

 AC_SUBST(GST_PLUGINS_SELECTED)

 dnl ==========================================================================
 dnl ============================= sys plug-ins ================================
 dnl ==========================================================================

 dnl *** OSS audio *** (Linux, *BSD)
 translit(dnm, m, l) AM_CONDITIONAL(USE_OSS, true)
 GST_CHECK_FEATURE(OSS, [OSS audio], osssrc osssink, [
  HAVE_OSS="yes"
 dnl Linux and newer BSD versions :
  AC_CHECK_HEADER(sys/soundcard.h, [
    AC_DEFINE(HAVE_OSS_INCLUDE_IN_SYS,, [Define if OSS includes are in /sys/])
    ] , [
 dnl Some old BSD versions :
    AC_CHECK_HEADER(soundcard.h, [
      AC_DEFINE(HAVE_OSS_INCLUDE_IN_ROOT,, [Define if OSS includes are in /])
      ], [
   dnl Some old BSD versions :
      AC_CHECK_HEADER(machine/soundcard.h, [
        AC_DEFINE(HAVE_OSS_INCLUDE_IN_MACHINE,, [Define if OSS includes are in /machine/])
        ], [
        HAVE_OSS="no"
      ])
    ])
  ])
 ])

 dnl ###########################
 dnl # Configure external libs #
 dnl ###########################

 dnl *** aalib ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_AALIB, true)
 GST_CHECK_FEATURE(AALIB, [aasink plug-in], aasink, [
   AM_PATH_AALIB(, HAVE_AALIB=yes, HAVE_AALIB=no)
   AS_SCRUB_INCLUDE(AALIB_CFLAGS)
 ])

 dnl *** AMR-NB ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_AMRNB, true)
 GST_CHECK_FEATURE(AMRNB, [AMR-NB], amrnbdec amrnbenc, [
   GST_CHECK_LIBHEADER(AMRNB, amrnb,
 		      Decoder_Interface_init, -lm,
 		      amrnb/interf_dec.h,
 		      AMRNB_LIBS="-lamrnb -lm"
 		      AC_SUBST(AMRNB_LIBS))
 ])

 dnl **** Free AAC Decoder (FAAD) ****
 translit(dnm, m, l) AM_CONDITIONAL(USE_FAAD, true)
 GST_CHECK_FEATURE(FAAD, [AAC decoder plug-in], faad, [
   HAVE_FAAD="yes"
   GST_CHECK_LIBHEADER(FAAD, faad, faacDecOpen, -lm, faad.h, FAAD_LIBS="-lfaad -lm", HAVE_FAAD="no")
   if test $HAVE_FAAD = "yes"; then
     AC_MSG_CHECKING([Checking for FAAD >= 2])
     AC_TRY_RUN([

 #include <faad.h>
 #if !defined(FAAD2_VERSION) || !defined(FAAD_FMT_DOUBLE)
 #error Not faad2
 #else
 #include <string.h>

 int main()
 {
 char version[9] = FAAD2_VERSION;
 // a release candidate of 2.0 is not enought for us
 if ( strstr( version, "2.0 RC" ) ) { return 1; }

 return 0;
 }

 #endif
     ],
        [ HAVE_FAAD="yes" && AC_MSG_RESULT(yes)],
        [ HAVE_FAAD="no"  && AC_MSG_RESULT(no)])
   fi;
   AS_SCRUB_INCLUDE(FAAD_CFLAGS)
   AC_SUBST(FAAD_LIBS)
 ])

 dnl *** lame ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_LAME, true)
 GST_CHECK_FEATURE(LAME, [lame mp3 encoder library], lame, [
   GST_CHECK_LIBHEADER(LAME, mp3lame, lame_init, -lm, lame/lame.h,
   [
     HAVE_LAME="yes"
     LAME_LIBS="-lmp3lame -lm"
     dnl is lame presets available
     LAME_CFLAGS=""
     AC_TRY_RUN([
 #include <lame/lame.h>
 int main (int argc, char *argv[])
 {
   printf("%d\n", MEDIUM);
   return 0;
 }
       ],
       [LAME_CFLAGS="-DGSTLAME_PRESET"],
       [LAME_CFLAGS=""]
     )
   AC_SUBST(LAME_CFLAGS)
   AC_SUBST(LAME_LIBS)
   ])
 ])

 dnl *** libcaca ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_LIBCACA, true)
 GST_CHECK_FEATURE(LIBCACA, [libcaca], libcaca, [
   GST_CHECK_CONFIGPROG(LIBCACA, caca-config)
   AC_SUBST(LIBCACA_CFLAGS)
   AC_SUBST(LIBCACA_LIBS)
 ])

 dnl *** libdv ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_LIBDV, true)
 GST_CHECK_FEATURE(LIBDV, [libdv DV/video decoder], dvdec, [
   PKG_CHECK_MODULES(LIBDV, libdv >= 0.100, HAVE_LIBDV="yes", HAVE_LIBDV="no")
   AC_SUBST(LIBDV_CFLAGS)
   AC_SUBST(LIBDV_LIBS)
 ])

 dnl *** shout2 ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_SHOUT2, true)
 GST_CHECK_FEATURE(SHOUT2, [shout2 plug-in], shout2send, [
   PKG_CHECK_MODULES(SHOUT2, shout >= 2.0, [
     HAVE_SHOUT2="yes"
     AC_SUBST(SHOUT2_CFLAGS)
     AC_SUBST(SHOUT2_LIBS)
   ], [
     AM_PATH_SHOUT2(HAVE_SHOUT2="yes", HAVE_SHOUT2="no")
     AC_SUBST(SHOUT2_CFLAGS)
     AC_SUBST(SHOUT2_LIBS)
   ])
 ])

 dnl *** sidplay : works with libsidplay 1.36.x (not 2.x.x) ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_SIDPLAY, true)
 GST_CHECK_FEATURE(SIDPLAY, [sidplay plug-in], sidplay, [
   GST_PATH_SIDPLAY()
 ])

 dnl *** jpeg ***
 dnl FIXME: we could use header checks here as well IMO
 translit(dnm, m, l) AM_CONDITIONAL(USE_JPEG, true)
 GST_CHECK_FEATURE(JPEG, [jpeg], jpegenc jpegdec, [
   AC_ARG_WITH(jpeg-mmx,
     [  --with-jpeg-mmx, path to MMX'ified JPEG library])
   OLD_LIBS="$LIBS"
   if test x$with_jpeg_mmx != x; then
     LIBS="$LIBS -L$with_jpeg_mmx"
   fi
   AC_CHECK_LIB(jpeg-mmx, jpeg_set_defaults, HAVE_JPEG="yes", HAVE_JPEG="no")
   JPEG_LIBS="$LIBS -ljpeg-mmx"
   LIBS="$OLD_LIBS"
   if test x$HAVE_JPEG != xyes; then
     AC_CHECK_LIB(jpeg, jpeg_set_defaults, HAVE_JPEG="yes", HAVE_JPEG="no")
     JPEG_LIBS="-ljpeg"
   fi
   AC_SUBST(JPEG_LIBS)
 ])


 dnl *** mad ***
 dnl FIXME: we could use header checks here as well IMO
 translit(dnm, m, l) AM_CONDITIONAL(USE_MAD, true)
 GST_CHECK_FEATURE(MAD, [mad mp3 decoder], mad, [
   dnl check with pkg-config first
   PKG_CHECK_MODULES(MAD, mad >= 0.15 id3tag >= 0.15, HAVE_MAD="yes", HAVE_MAD="no")
   if test "x$HAVE_MAD" = "xno"; then
     dnl fall back to oldskool detection
     AC_CHECK_LIB(mad, mad_decoder_finish, HAVE_MAD="yes" MAD_LIBS="-lmad")
     if test "x$HAVE_MAD" = "xyes"; then
       HAVE_MAD="no"
       save_LIBS=$LIBS
       LIBS="-lz"
       AC_CHECK_LIB(id3tag, id3_tag_options, HAVE_MAD="yes" MAD_LIBS="-lmad -lid3tag -lz")
       LIBS=$save_LIBS
     fi
   fi
 ])
 AC_SUBST(MAD_LIBS)

 dnl *** mpeg2dec ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_MPEG2DEC, true)
 GST_CHECK_FEATURE(MPEG2DEC, [mpeg2dec], mpeg2dec, [
   PKG_CHECK_MODULES(MPEG2DEC, libmpeg2 >= 0.4.0,
       HAVE_MPEG2DEC="yes", HAVE_MPEG2DEC="no")
   AC_SUBST(MPEG2DEC_CFLAGS)
   AC_SUBST(MPEG2DEC_LIBS)
 ])

 dnl *** dv1394 ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_DV1394, true)
 GST_CHECK_FEATURE(DV1394, [raw1394 and avc1394 library], dv1394src, [
   dnl we need to test three headers and three libs
   GST_CHECK_LIBHEADER(RAW1394,
     raw1394, raw1394_new_handle,,
     libraw1394/raw1394.h, RAW1394_LIBS="-lraw1394")
   GST_CHECK_LIBHEADER(AVC1394,
     avc1394, avc1394_send_command, $RAW1394_LIBS,
     libavc1394/avc1394.h, AVC1394_LIBS="-lavc1394")
   GST_CHECK_LIBHEADER(ROM1394,
     rom1394, rom1394_free_directory, $RAW1394_LIBS,
     libavc1394/rom1394.h, ROM1394_LIBS="-lrom1394")

   dnl now see how far we got
   if test x$HAVE_RAW1394 = xyes && \
      test x$HAVE_AVC1394 = xyes && \
      test x$HAVE_ROM1394 = xyes; then
        HAVE_DV1394=yes
        DV1394_LIBS="$RAW1394_LIBS $AVC1394_LIBS $ROM1394_LIBS"
        AC_SUBST(DV1394_LIBS)
   else
        HAVE_DV1394=no
   fi
 ])

 dnl **** ESound ****
 translit(dnm, m, l) AM_CONDITIONAL(USE_ESD, true)
 GST_CHECK_FEATURE(ESD, [esound plug-ins], esdsink, [
   PKG_CHECK_MODULES(ESD, esound >= 0.2.12, [
     HAVE_ESD="yes"
     AC_SUBST(ESD_CFLAGS)
     AC_SUBST(ESD_LIBS)
   ], [
     AM_PATH_ESD(0.2.12, HAVE_ESD="yes", HAVE_ESD="no")
     AS_SCRUB_INCLUDE(ESD_CFLAGS)
   ])
 ])

 dnl *** libpng ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_LIBPNG, true)
 GST_CHECK_FEATURE(LIBPNG, [libpng PNG encoder], pngenc, [
   PKG_CHECK_MODULES(LIBPNG, libpng12, HAVE_LIBPNG="yes", HAVE_LIBPNG="no")
   AC_SUBST(LIBPNG_CFLAGS)
   AC_SUBST(LIBPNG_LIBS)
 ])


 dnl also add builddir include for enumtypes and marshal
 GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GST_ERROR"

 AC_SUBST(GST_LIBS)
 AC_SUBST(GST_CFLAGS)

 dnl ############################
 dnl # Set up some more defines #
 dnl ############################

 dnl set license and copyright notice
 AC_DEFINE(GST_LICENSE, "LGPL", [GStreamer license])

 dnl package name in plugins
 AC_ARG_WITH(package-name,
 AC_HELP_STRING([--with-package-name],[specify package name to use in plugins]),
 [case "${withval}" in
   yes) AC_MSG_ERROR(bad value ${withval} for --with-package-name) ;;
   no) AC_MSG_ERROR(bad value ${withval} for --with-package-name) ;;
   *) GST_PACKAGE="${withval}" ;;
 esac],
 [
 dnl default value
 if test "x$GST_CVS" = "xyes"
 then
   dnl nano >= 1
   GST_PACKAGE="GStreamer CVS/prerelease"
 else
   GST_PACKAGE="GStreamer source release"
 fi
 ]
 )
 AC_MSG_NOTICE(Using $GST_PACKAGE as package name)
 AC_DEFINE_UNQUOTED(GST_PACKAGE, "$GST_PACKAGE", [package name in plugins])

 dnl package origin URL
 AC_ARG_WITH(package-origin,
 AC_HELP_STRING([--with-package-origin],[specify package origin URL to use in plugins]),
 [case "${withval}" in
   yes) AC_MSG_ERROR(bad value ${withval} for --with-package-origin) ;;
   no) AC_MSG_ERROR(bad value ${withval} for --with-package-origin) ;;
   *) GST_ORIGIN="${withval}" ;;
 esac],
 [GST_ORIGIN="http://gstreamer.freedesktop.org/"]) dnl Default value
 AC_MSG_NOTICE(Using $GST_ORIGIN as package origin)
 AC_DEFINE_UNQUOTED(GST_ORIGIN, "$GST_ORIGIN", [package origin])

 dnl #########################
 dnl # Make the output files #
 dnl #########################

 AC_CONFIG_FILES(
 Makefile
 gst-plugins.spec
 gst/Makefile
 gst/alpha/Makefile
 gst/autodetect/Makefile
 gst/avi/Makefile
 gst/effectv/Makefile
 gst/fdsrc/Makefile
 gst/goom/Makefile
 gst/law/Makefile
 gst/level/Makefile
 gst/mpegaudioparse/Makefile
 gst/realmedia/Makefile
 gst/rtp/Makefile
 gst/rtsp/Makefile
 gst/smpte/Makefile
 gst/silence/Makefile
 gst/udp/Makefile
 gst/videobox/Makefile
 gst/videofilter/Makefile
 ext/jpeg/Makefile
 gst/qtdemux/Makefile
 gst/wavparse/Makefile
 gst-libs/Makefile
 gst-libs/gst/Makefile
 sys/Makefile
 sys/oss/Makefile
 ext/Makefile
 ext/aalib/Makefile
 ext/dv/Makefile
 ext/gconf/Makefile
 ext/lame/Makefile
 ext/libcaca/Makefile
 ext/libpng/Makefile
 ext/mad/Makefile
 ext/raw1394/Makefile
 ext/shout2/Makefile
 ext/sidplay/Makefile
 ext/esd/Makefile
 ext/mpeg2dec/Makefile
 ext/faad/Makefile
 ext/amrnb/Makefile
 po/Makefile.in
 common/Makefile
 common/m4/Makefile
 m4/Makefile
 )
 AC_OUTPUT

 echo -n "configure: *** Plug-ins that will be built :"
 echo -e "$GST_PLUGINS_YES" | sort
 echo
 echo -n "configure: *** Plug-ins that will not be built :"
 echo -e "$GST_PLUGINS_NO" | sort
 echo
 if test "x$BUILD_EXTERNAL" = "xno"; then
   echo "configure: *** No external plug-ins will be built"
 fi
	dnl autoconf configuration file for gst-plugins
	AC_INIT
	AC_CANONICAL_TARGET

	dnl We disable static building for development, for time savings
	dnl this goes before AS_LIBTOOL to appease autoconf
	dnl NOTE: dnl this line before release, so release does static too
	AM_DISABLE_STATIC

	dnl AM_MAINTAINER_MODE only provides the option to configure to enable it
	AM_MAINTAINER_MODE

	dnl when going to/from release please set the nano (fourth number) right !
	dnl releases only do Wall, cvs and prerelease does Werror too
	AS_VERSION(gst-plugins, GST_PLUGINS_VERSION, 0, 9, 0, 1, GST_CVS="no", GST_CVS="yes")

	AM_INIT_AUTOMAKE($PACKAGE,$VERSION)

	dnl our libraries and install dirs use major.minor as a version
	GST_MAJORMINOR=$GST_PLUGINS_VERSION_MAJOR.$GST_PLUGINS_VERSION_MINOR
	dnl we override it here if we need to for the release candidate of new series
	GST_MAJORMINOR=0.9
	AC_SUBST(GST_MAJORMINOR)

	dnl CURRENT, REVISION, AGE
	dnl - library source changed -> increment REVISION
	dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
	dnl - interfaces added -> increment AGE
	dnl - interfaces removed -> AGE = 0
	dnl for 0.8.3 release, gst_play_get_all_by_interface was added, so update
	AS_LIBTOOL(GST_PLUGINS, 1, 0, 1)
	AS_LIBTOOL_TAGS([CXX])
	AM_PROG_LIBTOOL

	dnl FIXME take something else ?
	AC_CONFIG_SRCDIR([gst/law/alaw.c])
	AM_CONFIG_HEADER(config.h)

	dnl Add parameters for aclocal
	dnl (This must come after AM_INIT_AUTOMAKE, since it modifies ACLOCAL)
	ACLOCAL_FLAGS="-I m4 -I common/m4"
	AC_SUBST(ACLOCAL_AMFLAGS, $ACLOCAL_FLAGS)

	AC_PROG_CC
	AM_PROG_CC_STDC
	AM_PROG_AS
	AS="${CC}"
	AS_PROG_OBJC

	dnl the gettext stuff needed
	AM_GNU_GETTEXT_VERSION(0.11.5)
	AM_GNU_GETTEXT([external])

	GETTEXT_PACKAGE=gst-plugins-$GST_MAJORMINOR
	AC_SUBST(GETTEXT_PACKAGE)
	AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], "$GETTEXT_PACKAGE",
	[gettext package name])

	dnl define LOCALEDIR in config.h
	AS_AC_EXPAND(LOCALEDIR, $datadir/locale)
	AC_DEFINE_UNQUOTED([LOCALEDIR], "$LOCALEDIR",
	[gettext locale dir])

	dnl decide on error flags
	AS_COMPILER_FLAG(-Wall, GST_WALL="yes", GST_WALL="no")

	if test "x$GST_WALL" = "xyes"; then
	GST_ERROR="$GST_ERROR -Wall"

	if test "x$GST_CVS" = "xyes"; then
	AS_COMPILER_FLAG(-Werror,GST_ERROR="$GST_ERROR -Werror",GST_ERROR="$GST_ERROR")
	fi
	fi

	dnl determine c++ compiler
	AC_PROG_CXX
	dnl determine if c++ is available on this system
	AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
	dnl determine c++ preprocessor
	AC_PROG_CXXCPP
	AC_ISC_POSIX

	AC_HEADER_STDC([])
	AC_C_INLINE
	AX_CREATE_STDINT_H

	dnl Check for malloc.h
	AC_CHECK_HEADER(malloc.h,[
	AC_DEFINE(HAVE_MALLOC_H, 1, [whether malloc.h available])
	])

	dnl Check for a way to display the function name in debug output
	GST_CHECK_FUNCTION()

	dnl define correct errorlevel for debugging messages. We want to have GST_ERROR
	dnl messages printed when running cvs builds
	if test "x$GST_CVS" = "xyes"; then
	AC_DEFINE(GST_LEVEL_DEFAULT, GST_LEVEL_ERROR, [Default errorlevel to use])
	fi

	dnl Check for FIONREAD ioctl declaration :
	GST_CHECK_FIONREAD()

	DEFAULT_AUDIOSINK="autoaudiosink"
	DEFAULT_VIDEOSINK="autovideosink"
	DEFAULT_AUDIOSRC="alsasrc"
	DEFAULT_VIDEOSRC="v4lsrc"
	DEFAULT_VISUALIZER="goom"
	case "$host" in
	-sun- \| pc-solaris )
	DEFAULT_AUDIOSRC="sunaudiosrc"
	;;
	-darwin )
	DEFAULT_AUDIOSRC="osxaudiosrc"
	;;
	esac

	AC_SUBST(DEFAULT_AUDIOSINK)
	AC_DEFINE_UNQUOTED(DEFAULT_AUDIOSINK,"$DEFAULT_AUDIOSINK",[Default audio sink])
	AC_SUBST(DEFAULT_AUDIOSRC)
	AC_DEFINE_UNQUOTED(DEFAULT_AUDIOSRC,"$DEFAULT_AUDIOSRC",[Default audio source])
	AC_SUBST(DEFAULT_VIDEOSINK)
	AC_DEFINE_UNQUOTED(DEFAULT_VIDEOSINK,"$DEFAULT_VIDEOSINK",[Default video sink])
	AC_SUBST(DEFAULT_VIDEOSRC)
	AC_DEFINE_UNQUOTED(DEFAULT_VIDEOSRC,"$DEFAULT_VIDEOSRC",[Default video source])
	AC_SUBST(DEFAULT_VISUALIZER)
	AC_DEFINE_UNQUOTED(DEFAULT_VISUALIZER,"$DEFAULT_VISUALIZER",[Default visualizer])

	dnl ############################################
	dnl # Super Duper options for plug-in building #
	dnl ############################################

	dnl ext plug-ins; plug-ins that have external dependencies
	GST_CHECK_FEATURE(EXTERNAL, [enable building of plug-ins with external deps],,
	[HAVE_EXTERNAL=yes],enabled,
	[
	AC_MSG_WARN(building external plug-ins)
	BUILD_EXTERNAL="yes"
	],[
	AC_MSG_WARN(all plug-ins with external dependencies will not be built)
	BUILD_EXTERNAL="no"
	])
	# make BUILD_EXTERNAL available to Makefile.am
	AM_CONDITIONAL(BUILD_EXTERNAL, test "x$BUILD_EXTERNAL" = "xyes")

	dnl experimental plug-ins; stuff that hasn't had the dust settle yet
	dnl read 'builds, but might not work'UTO
	GST_CHECK_FEATURE(EXPERIMENTAL, [enable building of experimental plug-ins],,
	[HAVE_EXPERIMENTAL=yes],disabled,
	[
	AC_MSG_WARN(building experimental plug-ins)
	USE_TARKIN="yes"
	],[
	AC_MSG_NOTICE(not building experimental plug-ins)
	USE_TARKIN="no"
	])

	dnl broken plug-ins; stuff that doesn't seem to build at the moment
	GST_CHECK_FEATURE(BROKEN, [enable building of broken plug-ins],,
	HAVE_BROKEN=yes,disabled,
	[
	AC_MSG_WARN([building broken plug-ins -- no bug reports on these, only patches :)])
	],[
	AC_MSG_NOTICE([not building broken plug-ins])
	])

	dnl ##############################
	dnl # Do automated configuration #
	dnl ##############################

	dnl Check for tools:
	dnl ================

	dnl allow for different autotools
	AS_AUTOTOOLS_ALTERNATE()

	dnl modify pkg-config path
	AC_ARG_WITH(pkg-config-path,
	AC_HELP_STRING([--with-pkg-config-path],[colon-separated list of pkg-config(1) dirs]),
	[export PKG_CONFIG_PATH=${withval}])

	GST_DOC()
	dnl check architecture
	GST_ARCH()

	dnl check for gconftool-2

	dnl this macro defines an am conditional, so it needs to be run always
	AM_GCONF_SOURCE_2

	translit(dnm, m, l) AM_CONDITIONAL(USE_GCONFTOOL, true)
	GST_CHECK_FEATURE(GCONFTOOL, [GConf schemas], , [
	AC_PATH_PROG(GCONFTOOL, gconftool-2, no)
	if test x$GCONFTOOL = xno; then
	AC_MSG_WARN(Not installing GConf schemas)
	HAVE_GCONFTOOL="no"
	else
	HAVE_GCONFTOOL="yes"
	fi
	AC_SUBST(HAVE_GCONFTOOL)
	])

	dnl check for GConf libraries
	translit(dnm, m, l) AM_CONDITIONAL(USE_GCONF, true)
	GST_CHECK_FEATURE(GCONF, [GConf libraries], , [
	PKG_CHECK_MODULES(GCONF, gconf-2.0, HAVE_GCONF="yes", HAVE_GCONF="no")
	AC_SUBST(GCONF_CFLAGS)
	AC_SUBST(GCONF_LIBS)
	])

	dnl check for gstreamer
	dnl uninstalled is selected preferentially -- see pkg-config(1)
	GST_REQ=0.9.0.1
	PKG_CHECK_MODULES(GST, gstreamer-$GST_MAJORMINOR >= $GST_REQ,
	HAVE_GST="yes", HAVE_GST="no")

	if test "x$HAVE_GST" = "xno"; then
	AC_MSG_ERROR(no GStreamer found)
	fi

	GST_TOOLS_DIR=`pkg-config --variable=toolsdir gstreamer-$GST_MAJORMINOR`
	if test -z $GST_TOOLS_DIR; then
	AC_MSG_ERROR([no tools dir defined in GStreamer pkg-config file; core upgrade needed.])
	fi
	AC_SUBST(GST_TOOLS_DIR)

	dnl check for gstreamer-base; uninstalled is selected preferentially
	PKG_CHECK_MODULES(GST_BASE, gstreamer-base-$GST_MAJORMINOR >= $GST_REQ,
	HAVE_GST_BASE="yes", HAVE_GST_BASE="no")

	if test "x$HAVE_GST_BASE" = "xno"; then
	AC_MSG_ERROR(no GStreamer Base Libs found)
	fi

	AC_SUBST(GST_BASE_LIBS)
	AC_SUBST(GST_BASE_CFLAGS)

	dnl check for gstreamer-plugins-base; uinstalled is selected preferentially
	PKG_CHECK_MODULES(GST_PLUGINS_BASE,
	gstreamer-plugins-base-$GST_MAJORMINOR >= $GST_REQ,
	HAVE_GST_PLUGINS_BASE="yes", HAVE_GST_PLUGINS_BASE="no")

	if test "x$HAVE_GST_PLUGINS_BASE" = "xno"; then
	AC_MSG_ERROR(no GStreamer Base Plugins development files found)
	fi

	AC_SUBST(GST_PLUGINS_BASE_LIBS)
	AC_SUBST(GST_PLUGINS_BASE_CFLAGS)

	dnl Determine endianness
	AC_C_BIGENDIAN

	dnl Check for fast float to int casting as defined in C99
	AC_C99_FUNC_LRINT()
	AC_C99_FUNC_LRINTF()

	dnl Check for essential libraries first:
	dnl ====================================

	GST_GLIB2_CHECK()

	dnl Check for additional libraries that we might use:
	dnl =================================================

	# we set the defaults always to make sure we have non-empty variables
	# for the Makefile

	PKG_CHECK_MODULES(LIBOIL, liboil-0.3 >= 0.3.0, HAVE_LIBOIL=yes, HAVE_LIBOIL=no)
	AC_SUBST(LIBOIL_CFLAGS)
	AC_SUBST(LIBOIL_LIBS)
	if test "x${HAVE_LIBOIL}" = xyes ; then
	#AC_DEFINE_UNQUOTED(HAVE_LIBOIL, 1, [Define if liboil is being used])
	true
	fi

	dnl ===========================================================================
	dnl ============================= gst plug-ins ================================
	dnl ===========================================================================

	plugindir="\$(libdir)/gstreamer-$GST_MAJORMINOR"
	AC_SUBST(plugindir)

	GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '[_](gst_\|Gst\|GST_).' $GST_LIBS"
	AC_SUBST(GST_PLUGIN_LDFLAGS)

	dnl these are all the gst plug-ins, compilable without additional libs
	GST_PLUGINS_ALL="\
	videofilter \
	alpha \
	autodetect \
	avi \
	effectv \
	fdsrc \
	goom \
	law \
	level \
	qtdemux \
	realmedia \
	rtp \
	rtsp \
	smpte \
	silence \
	udp \
	videobox \
	wavparse \
	"

	dnl see if we can build C++ plug-ins
	if test "x$HAVE_CXX" = "xyes"; then
	GST_PLUGINS_ALL="$GST_PLUGINS_ALL"
	else
	AC_MSG_WARN([Not compiling plug-ins requiring C++ compiler])
	fi

	AC_SUBST(GST_PLUGINS_ALL)

	GST_PLUGINS_SELECTED=""

	AC_ARG_WITH(plugins,
	AC_HELP_STRING([--with-plugins],[comma-separated list of plug-ins to compile]),
	[for i in `echo $withval \| tr , ' '`; do
	if echo $GST_PLUGINS_ALL \| grep $i > /dev/null
	then
	GST_PLUGINS_SELECTED="$GST_PLUGINS_SELECTED $i"
	else
	echo "plug-in $i not recognized, ignoring..."
	fi
	done],
	[GST_PLUGINS_SELECTED=$GST_PLUGINS_ALL])

	AC_SUBST(GST_PLUGINS_SELECTED)

	dnl ==========================================================================
	dnl ============================= sys plug-ins ================================
	dnl ==========================================================================

	dnl * OSS audio * (Linux, *BSD)
	translit(dnm, m, l) AM_CONDITIONAL(USE_OSS, true)
	GST_CHECK_FEATURE(OSS, [OSS audio], osssrc osssink, [
	HAVE_OSS="yes"
	dnl Linux and newer BSD versions :
	AC_CHECK_HEADER(sys/soundcard.h, [
	AC_DEFINE(HAVE_OSS_INCLUDE_IN_SYS,, [Define if OSS includes are in /sys/])
	] , [
	dnl Some old BSD versions :
	AC_CHECK_HEADER(soundcard.h, [
	AC_DEFINE(HAVE_OSS_INCLUDE_IN_ROOT,, [Define if OSS includes are in /])
	], [
	dnl Some old BSD versions :
	AC_CHECK_HEADER(machine/soundcard.h, [
	AC_DEFINE(HAVE_OSS_INCLUDE_IN_MACHINE,, [Define if OSS includes are in /machine/])
	], [
	HAVE_OSS="no"
	])
	])
	])
	])

	dnl ###########################
	dnl # Configure external libs #
	dnl ###########################

	dnl * aalib *
	translit(dnm, m, l) AM_CONDITIONAL(USE_AALIB, true)
	GST_CHECK_FEATURE(AALIB, [aasink plug-in], aasink, [
	AM_PATH_AALIB(, HAVE_AALIB=yes, HAVE_AALIB=no)
	AS_SCRUB_INCLUDE(AALIB_CFLAGS)
	])

	dnl * AMR-NB *
	translit(dnm, m, l) AM_CONDITIONAL(USE_AMRNB, true)
	GST_CHECK_FEATURE(AMRNB, [AMR-NB], amrnbdec amrnbenc, [
	GST_CHECK_LIBHEADER(AMRNB, amrnb,
	Decoder_Interface_init, -lm,
	amrnb/interf_dec.h,
	AMRNB_LIBS="-lamrnb -lm"
	AC_SUBST(AMRNB_LIBS))
	])

	dnl ** Free AAC Decoder (FAAD) **
	translit(dnm, m, l) AM_CONDITIONAL(USE_FAAD, true)
	GST_CHECK_FEATURE(FAAD, [AAC decoder plug-in], faad, [
	HAVE_FAAD="yes"
	GST_CHECK_LIBHEADER(FAAD, faad, faacDecOpen, -lm, faad.h, FAAD_LIBS="-lfaad -lm", HAVE_FAAD="no")
	if test $HAVE_FAAD = "yes"; then
	AC_MSG_CHECKING([Checking for FAAD >= 2])
	AC_TRY_RUN([

	#include <faad.h>
	#if !defined(FAAD2_VERSION) \|\| !defined(FAAD_FMT_DOUBLE)
	#error Not faad2
	#else
	#include <string.h>

	int main()
	{
	char version[9] = FAAD2_VERSION;
	// a release candidate of 2.0 is not enought for us
	if ( strstr( version, "2.0 RC" ) ) { return 1; }

	return 0;
	}

	#endif
	],
	[ HAVE_FAAD="yes" && AC_MSG_RESULT(yes)],
	[ HAVE_FAAD="no" && AC_MSG_RESULT(no)])
	fi;
	AS_SCRUB_INCLUDE(FAAD_CFLAGS)
	AC_SUBST(FAAD_LIBS)
	])

	dnl * lame *
	translit(dnm, m, l) AM_CONDITIONAL(USE_LAME, true)
	GST_CHECK_FEATURE(LAME, [lame mp3 encoder library], lame, [
	GST_CHECK_LIBHEADER(LAME, mp3lame, lame_init, -lm, lame/lame.h,
	[
	HAVE_LAME="yes"
	LAME_LIBS="-lmp3lame -lm"
	dnl is lame presets available
	LAME_CFLAGS=""
	AC_TRY_RUN([
	#include <lame/lame.h>
	int main (int argc, char *argv[])
	{
	printf("%d\n", MEDIUM);
	return 0;
	}
	],
	[LAME_CFLAGS="-DGSTLAME_PRESET"],
	[LAME_CFLAGS=""]
	)
	AC_SUBST(LAME_CFLAGS)
	AC_SUBST(LAME_LIBS)
	])
	])

	dnl * libcaca *
	translit(dnm, m, l) AM_CONDITIONAL(USE_LIBCACA, true)
	GST_CHECK_FEATURE(LIBCACA, [libcaca], libcaca, [
	GST_CHECK_CONFIGPROG(LIBCACA, caca-config)
	AC_SUBST(LIBCACA_CFLAGS)
	AC_SUBST(LIBCACA_LIBS)
	])

	dnl * libdv *
	translit(dnm, m, l) AM_CONDITIONAL(USE_LIBDV, true)
	GST_CHECK_FEATURE(LIBDV, [libdv DV/video decoder], dvdec, [
	PKG_CHECK_MODULES(LIBDV, libdv >= 0.100, HAVE_LIBDV="yes", HAVE_LIBDV="no")
	AC_SUBST(LIBDV_CFLAGS)
	AC_SUBST(LIBDV_LIBS)
	])

	dnl * shout2 *
	translit(dnm, m, l) AM_CONDITIONAL(USE_SHOUT2, true)
	GST_CHECK_FEATURE(SHOUT2, [shout2 plug-in], shout2send, [
	PKG_CHECK_MODULES(SHOUT2, shout >= 2.0, [
	HAVE_SHOUT2="yes"
	AC_SUBST(SHOUT2_CFLAGS)
	AC_SUBST(SHOUT2_LIBS)
	], [
	AM_PATH_SHOUT2(HAVE_SHOUT2="yes", HAVE_SHOUT2="no")
	AC_SUBST(SHOUT2_CFLAGS)
	AC_SUBST(SHOUT2_LIBS)
	])
	])

	dnl * sidplay : works with libsidplay 1.36.x (not 2.x.x) *
	translit(dnm, m, l) AM_CONDITIONAL(USE_SIDPLAY, true)
	GST_CHECK_FEATURE(SIDPLAY, [sidplay plug-in], sidplay, [
	GST_PATH_SIDPLAY()
	])

	dnl * jpeg *
	dnl FIXME: we could use header checks here as well IMO
	translit(dnm, m, l) AM_CONDITIONAL(USE_JPEG, true)
	GST_CHECK_FEATURE(JPEG, [jpeg], jpegenc jpegdec, [
	AC_ARG_WITH(jpeg-mmx,
	[ --with-jpeg-mmx, path to MMX'ified JPEG library])
	OLD_LIBS="$LIBS"
	if test x$with_jpeg_mmx != x; then
	LIBS="$LIBS -L$with_jpeg_mmx"
	fi
	AC_CHECK_LIB(jpeg-mmx, jpeg_set_defaults, HAVE_JPEG="yes", HAVE_JPEG="no")
	JPEG_LIBS="$LIBS -ljpeg-mmx"
	LIBS="$OLD_LIBS"
	if test x$HAVE_JPEG != xyes; then
	AC_CHECK_LIB(jpeg, jpeg_set_defaults, HAVE_JPEG="yes", HAVE_JPEG="no")
	JPEG_LIBS="-ljpeg"
	fi
	AC_SUBST(JPEG_LIBS)
	])


	dnl * mad *
	dnl FIXME: we could use header checks here as well IMO
	translit(dnm, m, l) AM_CONDITIONAL(USE_MAD, true)
	GST_CHECK_FEATURE(MAD, [mad mp3 decoder], mad, [
	dnl check with pkg-config first
	PKG_CHECK_MODULES(MAD, mad >= 0.15 id3tag >= 0.15, HAVE_MAD="yes", HAVE_MAD="no")
	if test "x$HAVE_MAD" = "xno"; then
	dnl fall back to oldskool detection
	AC_CHECK_LIB(mad, mad_decoder_finish, HAVE_MAD="yes" MAD_LIBS="-lmad")
	if test "x$HAVE_MAD" = "xyes"; then
	HAVE_MAD="no"
	save_LIBS=$LIBS
	LIBS="-lz"
	AC_CHECK_LIB(id3tag, id3_tag_options, HAVE_MAD="yes" MAD_LIBS="-lmad -lid3tag -lz")
	LIBS=$save_LIBS
	fi
	fi
	])
	AC_SUBST(MAD_LIBS)

	dnl * mpeg2dec *
	translit(dnm, m, l) AM_CONDITIONAL(USE_MPEG2DEC, true)
	GST_CHECK_FEATURE(MPEG2DEC, [mpeg2dec], mpeg2dec, [
	PKG_CHECK_MODULES(MPEG2DEC, libmpeg2 >= 0.4.0,
	HAVE_MPEG2DEC="yes", HAVE_MPEG2DEC="no")
	AC_SUBST(MPEG2DEC_CFLAGS)
	AC_SUBST(MPEG2DEC_LIBS)
	])

	dnl * dv1394 *
	translit(dnm, m, l) AM_CONDITIONAL(USE_DV1394, true)
	GST_CHECK_FEATURE(DV1394, [raw1394 and avc1394 library], dv1394src, [
	dnl we need to test three headers and three libs
	GST_CHECK_LIBHEADER(RAW1394,
	raw1394, raw1394_new_handle,,
	libraw1394/raw1394.h, RAW1394_LIBS="-lraw1394")
	GST_CHECK_LIBHEADER(AVC1394,
	avc1394, avc1394_send_command, $RAW1394_LIBS,
	libavc1394/avc1394.h, AVC1394_LIBS="-lavc1394")
	GST_CHECK_LIBHEADER(ROM1394,
	rom1394, rom1394_free_directory, $RAW1394_LIBS,
	libavc1394/rom1394.h, ROM1394_LIBS="-lrom1394")

	dnl now see how far we got
	if test x$HAVE_RAW1394 = xyes && \
	test x$HAVE_AVC1394 = xyes && \
	test x$HAVE_ROM1394 = xyes; then
	HAVE_DV1394=yes
	DV1394_LIBS="$RAW1394_LIBS $AVC1394_LIBS $ROM1394_LIBS"
	AC_SUBST(DV1394_LIBS)
	else
	HAVE_DV1394=no
	fi
	])

	dnl ** ESound **
	translit(dnm, m, l) AM_CONDITIONAL(USE_ESD, true)
	GST_CHECK_FEATURE(ESD, [esound plug-ins], esdsink, [
	PKG_CHECK_MODULES(ESD, esound >= 0.2.12, [
	HAVE_ESD="yes"
	AC_SUBST(ESD_CFLAGS)
	AC_SUBST(ESD_LIBS)
	], [
	AM_PATH_ESD(0.2.12, HAVE_ESD="yes", HAVE_ESD="no")
	AS_SCRUB_INCLUDE(ESD_CFLAGS)
	])
	])

	dnl * libpng *
	translit(dnm, m, l) AM_CONDITIONAL(USE_LIBPNG, true)
	GST_CHECK_FEATURE(LIBPNG, [libpng PNG encoder], pngenc, [
	PKG_CHECK_MODULES(LIBPNG, libpng12, HAVE_LIBPNG="yes", HAVE_LIBPNG="no")
	AC_SUBST(LIBPNG_CFLAGS)
	AC_SUBST(LIBPNG_LIBS)
	])



	dnl also add builddir include for enumtypes and marshal
	GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GST_ERROR"

	AC_SUBST(GST_LIBS)
	AC_SUBST(GST_CFLAGS)

	dnl ############################
	dnl # Set up some more defines #
	dnl ############################

	dnl set license and copyright notice
	AC_DEFINE(GST_LICENSE, "LGPL", [GStreamer license])

	dnl package name in plugins
	AC_ARG_WITH(package-name,
	AC_HELP_STRING([--with-package-name],[specify package name to use in plugins]),
	[case "${withval}" in
	yes) AC_MSG_ERROR(bad value ${withval} for --with-package-name) ;;
	no) AC_MSG_ERROR(bad value ${withval} for --with-package-name) ;;
	*) GST_PACKAGE="${withval}" ;;
	esac],
	[
	dnl default value
	if test "x$GST_CVS" = "xyes"
	then
	dnl nano >= 1
	GST_PACKAGE="GStreamer CVS/prerelease"
	else
	GST_PACKAGE="GStreamer source release"
	fi
	]
	)
	AC_MSG_NOTICE(Using $GST_PACKAGE as package name)
	AC_DEFINE_UNQUOTED(GST_PACKAGE, "$GST_PACKAGE", [package name in plugins])

	dnl package origin URL
	AC_ARG_WITH(package-origin,
	AC_HELP_STRING([--with-package-origin],[specify package origin URL to use in plugins]),
	[case "${withval}" in
	yes) AC_MSG_ERROR(bad value ${withval} for --with-package-origin) ;;
	no) AC_MSG_ERROR(bad value ${withval} for --with-package-origin) ;;
	*) GST_ORIGIN="${withval}" ;;
	esac],
	[GST_ORIGIN="http://gstreamer.freedesktop.org/"]) dnl Default value
	AC_MSG_NOTICE(Using $GST_ORIGIN as package origin)
	AC_DEFINE_UNQUOTED(GST_ORIGIN, "$GST_ORIGIN", [package origin])

	dnl #########################
	dnl # Make the output files #
	dnl #########################

	AC_CONFIG_FILES(
	Makefile
	gst-plugins.spec
	gst/Makefile
	gst/alpha/Makefile
	gst/autodetect/Makefile
	gst/avi/Makefile
	gst/effectv/Makefile
	gst/fdsrc/Makefile
	gst/goom/Makefile
	gst/law/Makefile
	gst/level/Makefile
	gst/mpegaudioparse/Makefile
	gst/realmedia/Makefile
	gst/rtp/Makefile
	gst/rtsp/Makefile
	gst/smpte/Makefile
	gst/silence/Makefile
	gst/udp/Makefile
	gst/videobox/Makefile
	gst/videofilter/Makefile
	ext/jpeg/Makefile
	gst/qtdemux/Makefile
	gst/wavparse/Makefile
	gst-libs/Makefile
	gst-libs/gst/Makefile
	sys/Makefile
	sys/oss/Makefile
	ext/Makefile
	ext/aalib/Makefile
	ext/dv/Makefile
	ext/gconf/Makefile
	ext/lame/Makefile
	ext/libcaca/Makefile
	ext/libpng/Makefile
	ext/mad/Makefile
	ext/raw1394/Makefile
	ext/shout2/Makefile
	ext/sidplay/Makefile
	ext/esd/Makefile
	ext/mpeg2dec/Makefile
	ext/faad/Makefile
	ext/amrnb/Makefile
	po/Makefile.in
	common/Makefile
	common/m4/Makefile
	m4/Makefile
	)
	AC_OUTPUT

	echo -n "configure: *** Plug-ins that will be built :"
	echo -e "$GST_PLUGINS_YES" \| sort
	echo
	echo -n "configure: *** Plug-ins that will not be built :"
	echo -e "$GST_PLUGINS_NO" \| sort
	echo
	if test "x$BUILD_EXTERNAL" = "xno"; then
	echo "configure: *** No external plug-ins will be built"
	fi