gstreamer/configure.ac

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, 7, 0, 1, GST_ERROR="-Wall", GST_ERROR="-Wall -Werror")
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
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
AS_LIBTOOL(GST_PLUGINS, 1, 0, 0)

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}"
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([])

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"
  USE_SHOUT2="yes"
],[
  AC_MSG_NOTICE(not building experimental plug-ins)
  USE_TARKIN="no"
  USE_SHOUT2="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 :)])
  USE_SMOOTHWAVE="yes"
  USE_VGA="yes"
  USE_XMMS="yes"
],[
  USE_SMOOTHWAVE="no"
  USE_VGA="no"
  USE_XMMS="no"
  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}])

dnl Check for nasm
AC_PATH_PROG(NASM_PATH, nasm, no)
AC_SUBST(NASM_PATH)
if test x$NASM_PATH = xno; then
  AC_MSG_WARN(Couldn't find nasm)
  HAVE_NASM="no"
else
  AC_DEFINE(HAVE_NASM, 1, [Define if NASM, the netwide assembler, is available])
  HAVE_NASM="yes"
fi

dnl check for gconftool-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
    AM_GCONF_SOURCE_2
    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; uninstalled is selected preferentially -- see pkg-config(1)
PKG_CHECK_MODULES(GST, gstreamer-$GST_MAJORMINOR >= $GST_PLUGINS_VERSION_MAJOR.$GST_PLUGINS_VERSION_MINOR.$GST_PLUGINS_VERSION_MICRO,
  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-control; uninstalled is selected preferentially
PKG_CHECK_MODULES(GST_CONTROL, gstreamer-control-$GST_MAJORMINOR >= $GST_PLUGINS_VERSION_MAJOR.$GST_PLUGINS_VERSION_MINOR.$GST_PLUGINS_VERSION_MICRO,
  HAVE_GST_CONTROL="yes", HAVE_GST_CONTROL="no")

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

AC_SUBST(GST_CONTROL_LIBS)


dnl Set up conditionals for (target) architecture:
dnl ==============================================

dnl Determine CPU
case "x${target_cpu}" in
  xi?86 | k?) HAVE_CPU_I386=yes
              AC_DEFINE(HAVE_CPU_I386, 1, [Define if the target CPU is an x86])
              dnl FIXME could use some better detection
              dnl       (ie CPUID)
              case "x${target_cpu}" in
                xi386 | xi486) ;;
                *)             AC_DEFINE(HAVE_RDTSC, 1, [Define if RDTSC is available]) ;;
              esac ;;
  xpowerpc)   HAVE_CPU_PPC=yes
              AC_DEFINE(HAVE_CPU_PPC, 1, [Define if the target CPU is a PPC]) ;;
  xalpha)     HAVE_CPU_ALPHA=yes
              AC_DEFINE(HAVE_CPU_ALPHA, 1, [Define if the target CPU is an Alpha]) ;;
  xarm*)      HAVE_CPU_ARM=yes
              AC_DEFINE(HAVE_CPU_ARM, 1, [Define if the target CPU is an ARM]) ;;
  xsparc*)    HAVE_CPU_SPARC=yes
              AC_DEFINE(HAVE_CPU_SPARC, 1, [Define if the target CPU is a PPC]) ;;
  xmips*)     HAVE_CPU_MIPS=yes
              AC_DEFINE(HAVE_CPU_MIPS, 1, [Define if the target CPU is a MIPS]) ;;
  xhppa*)     HAVE_CPU_HPPA=yes
              AC_DEFINE(HAVE_CPU_HPPA, 1, [Define if the target CPU is a HPPA]) ;;
esac

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()
PKG_CHECK_MODULES(GTK2, gtk+-2.0, HAVE_GTK=yes, HAVE_GTK=no)
GTK_CFLAGS=$GTK2_CFLAGS
GTK_LIBS=$GTK2_LIBS
AC_SUBST(GTK_LIBS)
AC_SUBST(GTK_CFLAGS)


dnl Check for X11 extensions
AC_PATH_XTRA
if test "-DX_DISPLAY_MISSING" = "$X_CFLAGS"; then
  AC_MSG_NOTICE([cannot find X11, the build system needs fixage])
fi
AC_SUBST(X_CFLAGS)
AC_SUBST(X_PRE_LIBS)
AC_SUBST(X_EXTRA_LIBS)
AC_SUBST(X_LIBS)

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

GST_PLUGIN_LDFLAGS='-module -avoid-version'
AC_SUBST(GST_PLUGIN_LDFLAGS)

dnl these are all the gst plug-ins, compilable without additional libs
GST_PLUGINS_ALL="\
        ac3parse adder audioscale auparse avi asfdemux audioconvert cdxaparse chart\
        cutter deinterlace effectv festival filter flx goom\
        intfloat law level\
        median mixmatrix mpeg1enc mpeg1sys mpeg1videoparse mpeg2enc mpeg2sub\
        mpegaudio mpegaudioparse mpegstream mpegtypes\
        monoscope oneton passthrough playondemand qtdemux rtp rtjpeg silence sine\
        smooth smpte spectrum speed stereo stereomono synaesthesia\
        udp vbidec videocrop videoscale videotestsrc volenv volume\ 
        vumeter wavenc wavparse y4m"

dnl see if we can build C++ plug-ins
if test "x$HAVE_CXX" = "xyes"; then
  GST_PLUGINS_ALL="$GST_PLUGINS_ALL \
                  modplug monkeyaudio"
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 test -n `echo $i | grep $GST_PLUGINS_ALL`; then
            GST_PLUGINS_SELECTED="$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 *** DXR3 card ***
translit(dnm, m, l) AM_CONDITIONAL(USE_DXR3, true)
GST_CHECK_FEATURE(DXR3, [DXR3 hardware mpeg video decoder], dxr3videosink, [
  AC_CHECK_HEADER(linux/em8300.h, HAVE_DXR3="yes", HAVE_DXR3="no")
])

dnl *** OSS audio ***
translit(dnm, m, l) AM_CONDITIONAL(USE_OSS, true)
GST_CHECK_FEATURE(OSS, [OSS audio], osssrc osssink, [
  AC_CHECK_HEADER(sys/soundcard.h, HAVE_OSS="yes", HAVE_OSS="no")
])

dnl *** QuickCam ***
translit(dnm, m, l) AM_CONDITIONAL(USE_QCAM, true)
GST_CHECK_FEATURE(QCAM, [QuickCam], qcamsrc, [
  if test "x$HAVE_CPU_I386" != "xyes";
  then
    HAVE_QCAM="no"
    AC_MSG_WARN([QuickCam only works on i386])
  else
    HAVE_QCAM="yes"
  fi
])

dnl *** Video 4 Linux ***
dnl for information about the header/define, see sys/v4l/gstv4lelement.h
translit(dnm, m, l) AM_CONDITIONAL(USE_V4L, true)
GST_CHECK_FEATURE(V4L, [Video 4 Linux], v4lsrc v4lmjpegsrc v4lmjpegsink, [
  AC_CHECK_DECL(VID_TYPE_MPEG_ENCODER, HAVE_V4L="yes", HAVE_V4L="no", [
#include <sys/types.h>
#define _LINUX_TIME_H
#include <linux/videodev.h>
  ])
])

dnl *** Video 4 Linux 2***
dnl for information about the header/define, see sys/v4l2/gstv4l2element.h
translit(dnm, m, l) AM_CONDITIONAL(USE_V4L2, true)
GST_CHECK_FEATURE(V4L2, [Video 4 Linux 2], v4l2src, [
  AC_MSG_CHECKING([Checking for uptodate v4l2 installation])
  AC_TRY_COMPILE([
#include <sys/types.h>
#include <linux/types.h>
#define _LINUX_TIME_H
#include <linux/videodev2.h>
#if defined(V4L2_MAJOR_VERSION) || defined(V4L2_MINOR_VERSION)
#error too early v4l2 version or no v4l2 at all
#endif
  ], [
return 0;
  ], [ HAVE_V4L2="yes" && AC_MSG_RESULT(yes)],
     [ HAVE_V4L2="no"  && AC_MSG_RESULT(no) &&
       AC_CHECK_HEADER(linux/videodev2.h,
                       [ AC_MSG_WARN([video4linux2 headers were found, but they're old. Please update v4l2 to compile the v4l2 plugins])],
                       [ AC_MSG_WARN([video4linux2 was not found])])])
])

dnl *** Video CD ***
translit(dnm, m, l) AM_CONDITIONAL(USE_VCD, true)
GST_CHECK_FEATURE(VCD, [Video CD], vcdsrc, [
  AC_CHECK_HEADER(linux/cdrom.h, HAVE_VCD="yes", HAVE_VCD="no")
])

dnl *** VGA ***
translit(dnm, m, l) AM_CONDITIONAL(USE_VGA, true)
GST_CHECK_FEATURE(VGA, [VGA], vgavideosink, [
  AC_CHECK_HEADER(asm/vga.h, HAVE_VGA="yes", HAVE_VGA="no")
])

dnl *** CDROM Audio ***
translit(dnm, m, l) AM_CONDITIONAL(USE_CDROM, true)
GST_CHECK_FEATURE(CDROM, [CDROM Audio], cdrom, [
  AC_CHECK_HEADERS(linux/cdrom.h) dnl linux
  AC_CHECK_HEADERS(sys/cdio.h) dnl almost everything else
dnl  AC_CHECK_HEADERS(dmedia/cdaudio.h) dnl irix

  if test "${ac_cv_header_linux_cdrom_h}" = "yes" || test "${ac_cv_header_sys_cdio_h}" = "yes" || test "${ac_cv_header_dmedia_cdaudio_h}" = "yes"; then
	case "$host" in 
		*-sun-* | *-*-linux*)
			AC_DEFINE(HAVE_CDROM_SOLARIS,, [Define if cdrom access is in Solaris style])
		;;
		*-*-freebsd*)
			AC_DEFINE(HAVE_CDROM_BSD,, [Define if cdrom access is in BSD style])
		;;
		*-*-netbsd* | *-*-openbsd*)
			AC_DEFINE(HAVE_CDROM_BSD,, [Define if cdrom access is in BSD style])
			AC_DEFINE(HAVE_CDROM_BSD_NETBSD,, [Define if cdrom access uses NetBSD variant])
		;;
		*-*darwin*)
			AC_DEFINE(HAVE_CDROM_BSD,, [Define if cdrom access is in BSD style])
			AC_DEFINE(HAVE_CDROM_BSD_DARWIN,, [Define if cdrom access uses Darwin variant])
		;;
dnl		*-irix-*)
dnl			AC_DEFINE(HAVE_CDROM_IRIX,, [Define if cdrom access is in Irix DMedia style])
dnl		;;
    esac

	HAVE_CDROM="yes"
  else
	HAVE_CDROM="no"
  fi
])

dnl *** XVideo ***
dnl Look for the PIC library first, Debian requires it.
dnl Check debian-devel archives for gory details.
dnl 20020110:
dnl At the moment XFree86 doesn't distribute shared libXv due
dnl to unstable API.  On many platforms you CAN NOT link a shared
dnl lib to a static non-PIC lib.  This is what the xvideo GStreamer
dnl plug-in wants to do.  So Debian distributes a PIC compiled
dnl version of the static lib for plug-ins to link to when it is
dnl inappropriate to link the main application to libXv directly.
dnl FIXME: add check if this platform can support linking to a
dnl        non-PIC libXv, if not then don not use Xv.
dnl FIXME: perhaps warn user if they have a shared libXv since
dnl        this is an error until XFree86 starts shipping one
translit(dnm, m, l) AM_CONDITIONAL(USE_XVIDEO, true)

GST_CHECK_FEATURE(XVIDEO, [X11 XVideo extensions], xvideosink, [
  dnl use X_CFLAGS for check
  save_FLAGS=$CFLAGS
  CFLAGS=$X_CFLAGS

  dnl check for PIC static lib
  GST_CHECK_LIBHEADER(XVIDEO, Xv_pic, XvQueryExtension, $X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS, X11/extensions/Xvlib.h, XVIDEO_LIBS="-lXv_pic -lXext")
  if test x$HAVE_XVIDEO = xno; then
    dnl PIC lib not found, check for regular lib
    GST_CHECK_LIBHEADER(XVIDEO, Xv, XvQueryExtension, $X_LIBS $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS, X11/extensions/Xvlib.h, XVIDEO_LIBS="-lXv -lXext")
  fi
  AC_SUBST(XVIDEO_LIBS)

  dnl restore CFLAGS
  CFLAGS=$save_CFLAGS
])

dnl Next, check for the optional libraries:
dnl These are all libraries used in building plug-ins
dnl ================================================
dnl let's try and sort them alphabetically, shall we ?

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

AC_MSG_NOTICE(Checking for plug-in dependency libraries)

dnl *** a52dec ***
translit(dnm, m, l) AM_CONDITIONAL(USE_A52DEC, true)
GST_CHECK_FEATURE(A52DEC, [a52dec], a52dec, [
  AC_CHECK_A52DEC(HAVE_A52DEC=yes, HAVE_A52DEC=no)
])

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 *** alsa ***
translit(dnm, m, l) AM_CONDITIONAL(USE_ALSA, true)
GST_CHECK_FEATURE(ALSA, [alsa plug-ins], gstalsa, [
   AM_PATH_ALSA(0.9.0, HAVE_ALSA=yes, HAVE_ALSA=no)
])

dnl *** arts ***
dnl if mcopidl can't be found there's no use in compiling it
AC_CHECK_PROG(MCOPIDL, mcopidl, yes, no)
if test "xHAVE_MCOPIDL" = "xno";
then
  USE_ARTS=no
fi

translit(dnm, m, l) AM_CONDITIONAL(USE_ARTS, true)
GST_CHECK_FEATURE(ARTS, [arts plug-ins], arts, [
  AM_PATH_ARTS(, HAVE_ARTS=yes, HAVE_ARTS=no)
])

dnl *** artsc ***
translit(dnm, m, l) AM_CONDITIONAL(USE_ARTSC, true)
GST_CHECK_FEATURE(ARTSC, [artsd plug-ins], artsdsink, [
  GST_CHECK_ARTSC()
])

dnl *** audiofile ***
dnl this check uses the GST_CHECK_CONFIGPROG macro
translit(dnm, m, l) AM_CONDITIONAL(USE_AUDIOFILE, true)
GST_CHECK_FEATURE(AUDIOFILE, [audiofile], afsink afsrc, [
  translit(dnm, m, l) AC_SUBST(AUDIOFILE_LIBS)
  translit(dnm, m, l) AC_SUBST(AUDIOFILE_CFLAGS)
  GST_CHECK_CONFIGPROG(AUDIOFILE, audiofile-config)
  dnl we need this function
  AC_CHECK_LIB(audiofile, afOpenVirtualFile, , HAVE_AUDIOFILE="no")
])

dnl *** CDParanoia ***
translit(dnm, m, l) AM_CONDITIONAL(USE_CDPARANOIA, true)
GST_CHECK_FEATURE(CDPARANOIA, [CDParanoia], cdparanoia, [
  GST_CHECK_LIBHEADER(CDPARANOIA, cdda_interface, 
                      cdda_open, -lm, 
                      cdda_interface.h, 
                      CDPARANOIA_LIBS="-lcdda_interface -lcdda_paranoia"
                      HEADER_DIR="no"
                      FOUND_CDPARANOIA="yes")
  if test "x$FOUND_CDPARANOIA" != "xyes";
  then
    GST_CHECK_LIBHEADER(CDPARANOIA, cdda_interface, 
                        cdda_open, -lm, 
                        cdda/cdda_interface.h, 
                        CDPARANOIA_LIBS="-lcdda_interface -lcdda_paranoia"
                        HEADER_DIR="yes"
                        FOUND_CDPARANOIA="yes")
  fi
  if test "x$HEADER_DIR" = "xyes";
  then
    AC_DEFINE_UNQUOTED(CDPARANOIA_HEADERS_IN_DIR, ,
                       defined if cdda headers are in a cdda/ directory)
  fi
  AC_SUBST(CDPARANOIA_LIBS)
])
dnl FIXME : add second check somehow if that is necessary
dnl AC_CHECK_LIB(cdda_paranoia, paranoia_init, : , HAVE_CDPARANOIA=no, -lcdda_interface )
dnl AC_CHECK_HEADER(cdda_paranoia.h, :, HAVE_CDPARANOIA=no)

dnl *** DIVX ***
translit(dnm, m, l) AM_CONDITIONAL(USE_DIVX, true)
GST_CHECK_FEATURE(DIVX, [divx plugins], divx, [
  HAVE_DIVX=yes
  AC_CHECK_HEADER(encore2.h, ,
                  [ AC_MSG_WARN([Divx4linux encore headers not found]) &&
                    HAVE_DIVX=no ] )
  AC_CHECK_HEADER(decore.h, ,
                  [ AC_MSG_WARN([Divx4linux decoder headers not found]) &&
                    HAVE_DIVX=no ] )
  LIBS="-lm"
  AC_CHECK_LIB(divxencore, encore, ,
               [ AC_MSG_WARN([Divx4linux encore libs not found]) &&
                 HAVE_DIVX=no ] )
  AC_CHECK_LIB(divxdecore, decore, ,
               [ AC_MSG_WARN([Divx4linux decore libs not found]) &&
                 HAVE_DIVX=no ] )
  if test x$HAVE_DIVX = xyes; then
    DIVXENC_LIBS="-ldivxencore -lm"
    DIVXDEC_LIBS="-ldivxdecore -lm"
    AC_SUBST(DIVXENC_LIBS)
    AC_SUBST(DIVXDEC_LIBS)
  fi
])

dnl *** dvdread ***
translit(dnm, m, l) AM_CONDITIONAL(USE_DVDREAD, true)
GST_CHECK_FEATURE(DVDREAD, [dvdread library], dvdreadsrc, [
  GST_CHECK_LIBHEADER(DVDREAD, dvdread, DVDOpen, , dvdread/dvd_reader.h, DVDREAD_LIBS="-ldvdread")
  AC_SUBST(DVDREAD_LIBS)
])

dnl *** dvdnav ***
translit(dnm, m, l) AM_CONDITIONAL(USE_DVDNAV, true)
GST_CHECK_FEATURE(DVDNAV, [dvdnav library], dvdnavsrc, [
  translit(dnm, m, l) AC_SUBST(DVDNAV_LIBS)
  translit(dnm, m, l) AC_SUBST(DVDNAV_CFLAGS)
  GST_CHECK_CONFIGPROG(DVDNAV, dvdnav-config)
  if test x"$HAVE_DVDNAV" = x"yes"; then
    dnl check version
    DVDNAV_VERSION=`dvdnav-config --version|head -n 1|sed 's/^.*) //'|sed 's/ (.*)//'`
    DVDNAV_MAJOR=`echo $DVDNAV_VERSION | cut -d. -f1 | sed s/[a-zA-Z\-].*//g`
    DVDNAV_MINOR=`echo $DVDNAV_VERSION | cut -d. -f2 | sed s/[a-zA-Z\-].*//g`
    DVDNAV_MICRO=`echo $DVDNAV_VERSION | cut -d. -f3 | sed s/[a-zA-Z\-].*//g`
    if [[ "$DVDNAV_MAJOR" -eq "0" ]] && \
       [[ "$DVDNAV_MINOR" -lt "1" ]]; then
      AC_MSG_WARN([libdvdnav >= 0.1.7 is required, you have $DVDNAV_VERSION])
      HAVE_DVDNAV="no"
    elif [[ "$DVDNAV_MAJOR" -eq "0" ]] && \
         [[ "$DVDNAV_MINOR" -eq "1" ]] && \
         [[ "$DVDNAV_MICRO" -lt "7" ]]; then
      AC_MSG_WARN([libdvdnav >= 0.1.7 is required, you have $DVDNAV_VERSION])
      HAVE_DVDNAV="no"
      fi
    fi
  AS_SCRUB_INCLUDE(DVDNAV_CFLAGS)
])

dnl *** MAS ***
translit(dnm, m, l) AM_CONDITIONAL(USE_MAS, true)
GST_CHECK_FEATURE(MAS, [mas library], massink, [
  translit(dnm, m, l) AC_SUBST(MAS_LIBS)
  translit(dnm, m, l) AC_SUBST(MAS_CFLAGS)
  GST_CHECK_CONFIGPROG(MAS, mas-config)
  AS_SCRUB_INCLUDE(MAS_CFLAGS)
])

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

dnl **** festival ****
dnl translit(dnm, m, l) AM_CONDITIONAL(USE_FESTIVAL, true)
dnl GST_CHECK_FEATURE(FESTIVAL, [festival plug-ins], festivalsrc, [
  dnl NOTE: just using local net connection now, add this lib check
  dnl       in the future if needed
  dnl AC_LANG_PUSH(C++)
  dnl dnl FIXME: took out func to check for
  dnl dnl This check puts festival_tidy_up in extern "C".
  dnl dnl But, at least on Debian as of 20020110, it is compiled with name
  dnl dnl mangling C++ nonsense and symbols can't resolve
  dnl dnl GST_CHECK_LIBHEADER(FESTIVAL, Festival, festival_tidy_up, , festival/festival.h, FESTIVAL_LIBS="-lFestival")
  dnl GST_CHECK_LIBHEADER(FESTIVAL, Festival, , , festival/festival.h, FESTIVAL_LIBS="-lFestival")
  dnl AC_LANG_POP(C++)
  dnl AC_SUBST(FESTIVAL_LIBS)
dnl  HAVE_FESTIVAL=yes
dnl])

dnl *** FLAC ***
translit(dnm, m, l) AM_CONDITIONAL(USE_FLAC, true)
GST_CHECK_FEATURE(FLAC, [FLAC lossless audio], flacenc flacdec, [
  GST_CHECK_LIBHEADER(FLAC, FLAC, FLAC__seekable_stream_encoder_new, -lm, FLAC/all.h, FLAC_LIBS="-lFLAC")
  AC_SUBST(FLAC_LIBS)
])

dnl *** FFMPEG ***
translit(dnm, m, l) AM_CONDITIONAL(USE_FFMPEG, true)
GST_CHECK_FEATURE(FFMPEG, [ffmpeg plug-ins], ffmpeg, [
  # only slurp in the case where we are in CVS mode;
  # prerelease and release should get it disted
  if test "x$GST_PLUGINS_VERSION_NANO" = x1; then
    AC_MSG_NOTICE(slurping FFmpeg CVS source)
    AS_SLURP_FFMPEG(gst-libs/ext/ffmpeg, 2002-12-14 12:00 GMT,
                    HAVE_FFMPEG=yes, HAVE_FFMPEG=no)
  else
    AC_MSG_NOTICE(FFmpeg CVS code should be included already)
    HAVE_FFMPEG=yes
  fi
  # we only bother with uninstalled (included) ffmpeg for now
  AC_DEFINE_UNQUOTED(HAVE_FFMPEG_UNINSTALLED, 1,
                     [defined if we use uninstalled ffmpeg])
])

dnl *** Gnome VFS ***
translit(dnm, m, l) AM_CONDITIONAL(USE_GNOME_VFS, true)
GST_CHECK_FEATURE(GNOME_VFS, [Gnome VFS], gnomevfssrc, [
  PKG_CHECK_MODULES(GNOME_VFS, gnome-vfs-2.0, HAVE_GNOME_VFS="yes", HAVE_GNOME_VFS="no")
  AC_SUBST(GNOME_VFS_CFLAGS)
  AC_SUBST(GNOME_VFS_LIBS)
])

dnl *** gsm ***
translit(dnm, m, l) AM_CONDITIONAL(USE_GSM, true)
GST_CHECK_FEATURE(GSM, [GSM library], gsmenc gsmdec, [
  GST_CHECK_LIBHEADER(GSM, gsm, gsm_create, , gsm.h, GSM_LIBS="-lgsm")
  if test $HAVE_GSM != "yes"; then
    GST_CHECK_LIBHEADER(GSM, gsm, gsm_create, , gsm/gsm.h, GSM_LIBS="-lgsm")
    if test $HAVE_GSM = "yes"; then 
      AC_DEFINE(GSM_HEADER_IN_SUBDIR, 1, [Define if GSM header in gsm/ subdir])
    fi
  fi
  AC_SUBST(GSM_LIBS)
])

dnl *** Hermes ***
translit(dnm, m, l) AM_CONDITIONAL(USE_HERMES, true)
GST_CHECK_FEATURE(HERMES, [Hermes library], colorspace, [
  GST_CHECK_LIBHEADER(HERMES, Hermes, Hermes_ConverterInstance, , Hermes/Hermes.h, HERMES_LIBS="-lHermes")
], AC_SUBST(HERMES_LIBS))

dnl *** http ***
dnl translit(dnm, m, l) AM_CONDITIONAL(USE_HTTP, true)
dnl GST_CHECK_FEATURE(HTTP, [http plug-ins], gsthttpsrc, [
dnl  dnl FIXME: need to check for header
dnl  GHTTP_LIBS=
dnl  GST_HTTPSRC_GET_TYPE=
dnl  if test x$USE_GLIB2 = xyes; then
dnl    AC_MSG_WARN(ghttp disabled for glib2.0)
dnl  else
dnl    AC_CHECK_LIB(ghttp, ghttp_request_new,
dnl      [HTTP_LIBS="-lghttp"
dnl       GST_HTTPSRC_GET_TYPE="gst_httpsrc_get_type"
dnl       HAVE_HTTP=yes
dnl      ], :, $LIBS)
dnl  fi
dnl  AC_SUBST(HTTP_LIBS)
dnl  AC_SUBST(GST_HTTPSRC_GET_TYPE)
dnl ])

dnl *** ivorbis ***
dnl AM_PATH_IVORBIS only takes two options
translit(dnm, m, l) AM_CONDITIONAL(USE_IVORBIS, true)
GST_CHECK_FEATURE(IVORBIS, [integer vorbis plug-in], ivorbisdec, [
  XIPH_PATH_IVORBIS(HAVE_IVORBIS=yes, HAVE_IVORBIS=no)
  AS_SCRUB_INCLUDE(IVORBIS_CFLAGS)
])

dnl *** Jack ***
translit(dnm, m, l) AM_CONDITIONAL(USE_JACK, true)
GST_CHECK_FEATURE(JACK, Jack, jack, [
  PKG_CHECK_MODULES(JACK, jack >= 0.29.0, HAVE_JACK="yes", HAVE_JACK="no")
  AC_SUBST(JACK_CFLAGS)
  AC_SUBST(JACK_LIBS)
])

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_CHECK_LIB(jpeg, jpeg_set_defaults, HAVE_JPEG="yes", HAVE_JPEG="no")
  JPEG_LIBS="-ljpeg"
  AC_SUBST(JPEG_LIBS)
])

dnl *** ladspa ***
translit(dnm, m, l) AM_CONDITIONAL(USE_LADSPA, true)
GST_CHECK_FEATURE(LADSPA, [ladspa], ladspa, [
  AC_CHECK_HEADER(ladspa.h, HAVE_LADSPA="yes", HAVE_LADSPA="no")
])

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")
])
AC_SUBST(LAME_LIBS)

dnl *** libcolorspace ***
translit(dnm, m, l) AM_CONDITIONAL(USE_LCS, true)
GST_CHECK_FEATURE(LCS, Lcs, lcs, [
  PKG_CHECK_MODULES(LCS, lcs, HAVE_LCS="yes", HAVE_LCS="no")
  AC_SUBST(LCS_CFLAGS)
  AC_SUBST(LCS_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 >= 0.98, HAVE_LIBDV="yes", HAVE_LIBDV="no")
  AC_SUBST(LIBDV_CFLAGS)
  AC_SUBST(LIBDV_LIBS)
])

dnl *** libfame ***
translit(dnm, m, l) AM_CONDITIONAL(USE_LIBFAME, true)
GST_CHECK_FEATURE(LIBFAME, [libfame MPEG1/4 encoder], libfame, [
  AM_PATH_LIBFAME(0.9.0, HAVE_LIBFAME="yes", HAVE_LIBFAME="no")
  AC_SUBST(LIBFAME_CFLAGS)
  AC_SUBST(LIBFAME_LIBS)
])

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 *** 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, [
  AC_CHECK_LIB(mad, mad_decoder_finish, HAVE_MAD="yes" MAD_LIBS="-lmad")
  if test "x$HAVE_MAD" = "xyes"; then
    # installed with mad >= 0.14
    HAVE_MAD="no"
    save_libs=$LIBS
    LIBS="-lz"
    AC_CHECK_LIB(id3tag, id3_tag_query, HAVE_MAD="yes" MAD_LIBS="$MAD_LIBS -lid3tag")
    LIBS=$save_LIBS
  fi    
])
AC_SUBST(MAD_LIBS)

dnl *** mikmod ***
translit(dnm, m, l) AM_CONDITIONAL(USE_MIKMOD, true)
GST_CHECK_FEATURE(MIKMOD, [mikmod plug-in], mikmod, [
  AM_PATH_LIBMIKMOD(, HAVE_MIKMOD=yes, HAVE_MIKMOD=no)
  AC_SUBST(MIKMOD_LIBS, "$LIBMIKMOD_LIBS")
  AC_SUBST(MIKMOD_CFLAGS, "$LIBMIKMODCFLAGS")
])

dnl *** mjpegtools ***
translit(dnm, m, l) AM_CONDITIONAL(USE_MJPEGTOOLS, true)
GST_CHECK_FEATURE(MJPEGTOOLS, [mjpegtools], jpegmmxenc jpegmmxdec, [
  PKG_CHECK_MODULES(MJPEGTOOLS, mjpegtools, HAVE_MJPEGTOOLS="yes", HAVE_MJPEGTOOLS="no")

  if [ test x$HAVE_MJPEGTOOLS = x"yes" ]; then
    dnl some headers we might want to need
    AC_CHECK_HEADERS(stdint.h, HAVE_STDINT_H="yes", HAVE_STDINT_H="no")
    if [ test x$HAVE_STDINT_H = x"no" ]; then
      AC_CHECK_HEADERS(inttypes.h sys/types.h, HAVE_INTTYPES_H="yes", [
        AC_MSG_WARN(No valid header files found, mjpegtools plugins disabled)
        HAVE_INTTYPES_H="no" HAVE_MJPEGTOOLS="no"
      ])
    fi
    AC_CHECK_HEADERS(stdbool.h, HAVE_STDBOOL_H="yes", HAVE_STDBOOL_H="no")

    dnl sizeof PRId64 etc...
    AC_CHECK_SIZEOF(int)
    AC_CHECK_SIZEOF(long)
    AC_CHECK_SIZEOF(long long)
    case 8 in
    $ac_cv_sizeof_int)
      PRID64_STRING_FORMAT="d"
      ;;
    $ac_cv_sizeof_long)
      PRID64_STRING_FORMAT="ld"
      ;;
    $ac_cv_sizeof_long_long)
      PRID64_STRING_FORMAT="lld"
      ;;
    *)
      AC_MSG_WARN(No suitable variant for 64bits integers found, mjpegtools plugins disabled)
      HAVE_MJPEGTOOLS="no"
      ;;
    esac

    AC_DEFINE_UNQUOTED(PRID64_STRING_FORMAT, "$PRID64_STRING_FORMAT",
      [ A printf type definition for 64 bit integers ])
    AC_SUBST(MJPEGTOOLS_LIBS)
    AC_SUBST(MJPEGTOOLS_CFLAGS)
  fi
])

dnl *** mpeg2dec ***
translit(dnm, m, l) AM_CONDITIONAL(USE_MPEG2DEC, true)
GST_CHECK_FEATURE(MPEG2DEC, [mpeg2dec], mpeg2dec, [
  PKG_CHECK_MODULES(MPEG2DEC, libmpeg2 >= 0.3.1,
      HAVE_MPEG2DEC="yes", HAVE_MPEG2DEC="no")
  AC_SUBST(MPEG2DEC_CFLAGS)
  AC_SUBST(MPEG2DEC_LIBS)
])

dnl *** openquicktime ***
translit(dnm, m, l) AM_CONDITIONAL(USE_OPENQUICKTIME, true)
GST_CHECK_FEATURE(OPENQUICKTIME, [Open Quicktime], quicktime_parser quicktime_decoder quicktime_demux,[
  GST_CHECK_LIBHEADER(OPENQUICKTIME, openquicktime, quicktime_init,, openquicktime/openquicktime.h, OPENQUICKTIME_LIBS="-lopenquicktime")
  AC_SUBST(OPENQUICKTIME_LIBS)
])

dnl *** raw1394 ***
translit(dnm, m, l) AM_CONDITIONAL(USE_RAW1394, true)
GST_CHECK_FEATURE(RAW1394, [raw1394 library], dv1394src, [
  GST_CHECK_LIBHEADER(RAW1394, raw1394, raw1394_new_handle,, libraw1394/raw1394.h, RAW1394_LIBS="-lraw1394")
  AC_SUBST(RAW1394_LIBS)
])

dnl *** SDL ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SDL, true)
GST_CHECK_FEATURE(SDL, [SDL plug-in], sdlvideosink, [
 AM_PATH_SDL(, HAVE_SDL=yes, HAVE_SDL=no)
])

dnl *** shout ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SHOUT, true)
GST_CHECK_FEATURE(SHOUT, [shout plug-in], icecastsend, [
  GST_CHECK_LIBHEADER(SHOUT, shout, shout_init_connection,, shout/shout.h, SHOUT_LIBS="-lshout")
  AC_SUBST(SHOUT_LIBS)
])

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

dnl *** sidplay ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SIDPLAY, true)
GST_CHECK_FEATURE(SIDPLAY, [sidplay plug-in], sidplay, [
  GST_PATH_SIDPLAY()
])

dnl *** smoothwave ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SMOOTHWAVE, true)
GST_CHECK_FEATURE(SMOOTHWAVE, [smoothwave plug-in], smoothwave, [
  if test $HAVE_GTK = "yes"; then HAVE_SMOOTHWAVE=yes; fi;
])


dnl *** snapshot ***
translit(dnm, m, l) AM_CONDITIONAL(USE_LIBPNG, true)
GST_CHECK_FEATURE(LIBPNG, [snapshot plug-in], snapshot, [
  GST_CHECK_LIBHEADER(LIBPNG, png, png_read_info, -lz -lm, png.h, LIBPNG_LIBS="-lpng -lz -lm")
  AC_SUBST(LIBPNG_LIBS)
])

dnl *** swfdec ***
translit(dnm, m, l) AM_CONDITIONAL(USE_SWFDEC, true)
GST_CHECK_FEATURE(SWFDEC, [swfdec plug-in], swfdec, [
  PKG_CHECK_MODULES(SWFDEC, swfdec >= 0.1.3.1, HAVE_SWFDEC=yes, HAVE_SWFDEC=no)
  AC_SUBST(SWFDEC_CFLAGS)
  AC_SUBST(SWFDEC_LIBS)
])

dnl *** tarkin ***
dnl for now the sources are included in the plug-in
dnl and should be moved to ext-libs/ perhaps
translit(dnm, m, l) AM_CONDITIONAL(USE_TARKIN, true)
GST_CHECK_FEATURE(TARKIN, [tarkinenc tarkindec], tarkin, [
  HAVE_TARKIN="yes"
])

dnl *** vorbis ***
dnl AM_PATH_VORBIS only takes two options
translit(dnm, m, l) AM_CONDITIONAL(USE_VORBIS, true)
GST_CHECK_FEATURE(VORBIS, [vorbis plug-in], vorbisenc vorbisdec, [
  XIPH_PATH_VORBIS(HAVE_VORBIS=yes, HAVE_VORBIS=no)
  AS_SCRUB_INCLUDE(VORBIS_CFLAGS)
])

dnl *** XMMS ***
translit(dnm, m, l) AM_CONDITIONAL(USE_XMMS, true)
GST_CHECK_FEATURE(XMMS, [xmms plug-in], xmms, [
  AM_PATH_XMMS(0.1.0, HAVE_XMMS=yes, HAVE_XMMS=no)
])

dnl *** XVID ***
translit(dnm, m, l) AM_CONDITIONAL(USE_XVID, true)
GST_CHECK_FEATURE(XVID, [xvid plugins], xvid, [
  HAVE_XVID=yes
  AC_CHECK_HEADER(xvid.h, ,
                  [ AC_MSG_WARN([Xvid headers not found]) &&
                    HAVE_XVID=no ] )
  LIBS="-lm"
  AC_CHECK_LIB(xvidcore, xvid_encore, ,
               [ AC_MSG_WARN([Xvid encore libs not found]) &&
                 HAVE_XVID=no ] )
  AC_CHECK_LIB(xvidcore, xvid_decore, ,
               [ AC_MSG_WARN([Xvid decore libs not found]) &&
                 HAVE_XVID=no ] )
  if test x$HAVE_XVID = xyes; then
    XVID_LIBS="-lxvidcore -lm"
    AC_SUBST(XVID_LIBS)
  fi
])


fi dnl of EXT plugins

dnl Check for atomic.h
dnl Note: use AC_CHECK_HEADER not AC_CHECK_HEADERS, because the latter
dnl defines the wrong default symbol as well (HAVE_ASM_ATOMIC_H)
AC_CHECK_HEADER(asm/atomic.h, HAVE_ATOMIC_H=yes, HAVE_ATOMIC_H=no)
dnl Do a compile to check that it has atomic_set (eg, linux 2.0 didn't)
if test x$HAVE_ATOMIC_H = xyes; then
  AC_TRY_RUN([
#include "asm/atomic.h"
main() { atomic_t t; atomic_set(&t,0); atomic_inc(&t); atomic_add(1,&t);return 0;}
  ],, [
    # Not successful
    if test x$HAVE_ATOMIC_H = xyes; then
      AC_MSG_WARN(Atomic reference counting is out of date: doing without.)
    fi
    HAVE_ATOMIC_H=no
  ], [
    # Cross compiling
    AC_MSG_RESULT(yes)
    AC_MSG_WARN(Can't check properly for atomic reference counting.  Assuming OK.)
  ])
fi


dnl ######################################################################
dnl # Check command line parameters, and set shell variables accordingly #
dnl ######################################################################

GST_DEBUGINFO

AC_ARG_ENABLE(libmmx,
  AC_HELP_STRING([--enable-libmmx],[use libmmx, if available]),
[case "${enableval}" in
  yes) USE_LIBMMX=$HAVE_LIBMMX ;;
  no)  USE_LIBMMX=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-libmmx) ;;
esac], 
[USE_LIBMMX=$HAVE_LIBMMX]) dnl Default value

AC_ARG_ENABLE(atomic,
  AC_HELP_STRING([--enable-atomic],[use atomic reference counting header]),
[case "${enableval}" in
  yes) USE_ATOMIC_H=$HAVE_ATOMIC_H;;
  noset) USE_ATOMIC_H=$HAVE_ATOMIC_H;;
  no)  USE_ATOMIC_H=no;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-atomic) ;;
esac], 
[USE_ATOMIC_H=$HAVE_ATOMIC_H]) dnl Default value

AC_ARG_ENABLE(profiling,
  AC_HELP_STRING([--enable-profiling],
                 [-pg to compiler commandline, for profiling]),
[case "${enableval}" in
  yes) USE_PROFILING=yes ;;
  no)  UES_PROFILING=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-profiling) ;;
esac], 
[USE_PROFILING=no]) dnl Default value

AC_ARG_ENABLE(tests,
  AC_HELP_STRING([--disable-tests],[disable building test apps]),
[case "${enableval}" in
  yes) BUILD_TESTS=yes ;;
  no)  BUILD_TESTS=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --disable-tests) ;;
esac], 
[BUILD_TESTS=yes]) dnl Default value

AC_ARG_ENABLE(examples,
  AC_HELP_STRING([--disable-examples],[disable building examples]),
[case "${enableval}" in
  yes) BUILD_EXAMPLES=yes ;;
  no)  BUILD_EXAMPLES=no ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --disable-examples) ;;
esac], 
[BUILD_EXAMPLES=yes]) dnl Default value

dnl seeking needs freetype, so check for it here
AC_CHECK_FT2(2.0.9,HAVE_FT2=yes,HAVE_FT2=no)
dnl make the HAVE_FT2 variable available to automake and Makefile.am
AM_CONDITIONAL(HAVE_FT2, test "x$HAVE_FT2" = "xyes")
AC_SUBST(FT2_CFLAGS)
AC_SUBST(FT2_LIBS)

dnl ################################################
dnl # Set defines according to variables set above #
dnl ################################################


if test "x$USE_LIBMMX" = xyes; then
  AC_DEFINE(HAVE_LIBMMX, 1, [Define if libmmx is available])
fi

if test "x$USE_ATOMIC_H" = xyes; then
  AC_DEFINE(HAVE_ATOMIC_H, 1, [Define if atomic.h header file is available])
fi

# do not use deprecated stuff
GST_CFLAGS="$GST_CFLAGS -DGST_DISABLE_DEPRECATED"

if test "x$USE_DEBUG" = xyes; then
  GST_CFLAGS="$GST_CFLAGS -g"
fi

if test "x$USE_PROFILING" = xyes; then
dnl  CFLAGS="$CFLAGS -pg -fprofile-arcs"
  FOMIT_FRAME_POINTER=""
else
  FOMIT_FRAME_POINTER="-fomit-frame-pointer"
fi

dnl
dnl AC_SUBST(FOMIT_FRAME_POINTER)
dnl

dnl #############################
dnl # Set automake conditionals #
dnl #############################

dnl These should be "USE_*" instead of "HAVE_*", but some packages expect
dnl HAVE_ and it is likely to be easier to stick with the old name
AM_CONDITIONAL(HAVE_CPU_I386,       test "x$HAVE_CPU_I386" = "xyes")
AM_CONDITIONAL(HAVE_CPU_PPC,        test "x$HAVE_CPU_PPC" = "xyes")
AM_CONDITIONAL(HAVE_CPU_ALPHA,      test "x$HAVE_CPU_ALPHA" = "xyes")
AM_CONDITIONAL(HAVE_CPU_ARM,        test "x$HAVE_CPU_ARM" = "xyes")
AM_CONDITIONAL(HAVE_CPU_SPARC,      test "x$HAVE_CPU_SPARC" = "xyes")
AM_CONDITIONAL(HAVE_LIBMMX,         test "x$USE_LIBMMX" = "xyes")

AM_CONDITIONAL(HAVE_ATOMIC_H,       test "x$USE_ATOMIC_H" = "xyes")

AM_CONDITIONAL(EXPERIMENTAL,        test "$EXPERIMENTAL" = "$xyes")
AM_CONDITIONAL(BROKEN,              test "$BROKEN" = "$xyes")

AM_CONDITIONAL(HAVE_NASM,           test "x$HAVE_NASM" = "xyes")
AM_CONDITIONAL(HAVE_GTK,            test "x$HAVE_GTK" = "xyes")
AM_CONDITIONAL(HAVE_GTK_DOC,        $HAVE_GTK_DOC)
AM_CONDITIONAL(BUILD_DOCS,          test "x$BUILD_DOCS" = "xyes")
AM_CONDITIONAL(BUILD_TESTS,         test "x$BUILD_TESTS" = "xyes")
AM_CONDITIONAL(BUILD_EXAMPLES,      test "x$BUILD_EXAMPLES" = "xyes")
AM_CONDITIONAL(BUILD_PLUGIN_DOCS,   test "x$BUILD_PLUGIN_DOCS" = "xyes")
AM_CONDITIONAL(HAVE_FIG2DEV_PNG,    $HAVE_FIG2DEV_PNG)
AM_CONDITIONAL(HAVE_FIG2DEV_PDF,    $HAVE_FIG2DEV_PDF)
AM_CONDITIONAL(HAVE_RAW1394,        test "x$HAVE_RAW1394" = "xyes")

dnl prefer internal headers to already installed ones
GST_CFLAGS="-I\$(top_srcdir)/gst-libs $GST_CFLAGS $GST_ERROR"

AC_SUBST(GST_LIBS)
AC_SUBST(GST_CFLAGS)

dnl ###########################
dnl # Configure external libs #
dnl ###########################
if test "x$HAVE_FFMPEG" = xyes; then
  AC_CONFIG_SUBDIRS(gst-libs/ext/ffmpeg/ffmpeg)
fi 

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

AC_CONFIG_FILES(
Makefile
pkgconfig/gstreamer-libs.pc
pkgconfig/gstreamer-libs-uninstalled.pc
pkgconfig/gstreamer-play.pc
pkgconfig/gstreamer-play-uninstalled.pc
gst-libs/gst/gconf/gstreamer-gconf.pc
gst-libs/gst/gconf/gstreamer-gconf-uninstalled.pc
gst-plugins.spec
gst/Makefile
gst/ac3parse/Makefile
gst/adder/Makefile
gst/audioconvert/Makefile
gst/audioscale/Makefile
gst/auparse/Makefile
gst/avi/Makefile
gst/asfdemux/Makefile
gst/cdxaparse/Makefile
gst/chart/Makefile
gst/cutter/Makefile
gst/deinterlace/Makefile
gst/effectv/Makefile
gst/festival/Makefile
gst/filter/Makefile
gst/flx/Makefile
gst/goom/Makefile
gst/intfloat/Makefile
gst/law/Makefile
gst/level/Makefile
gst/median/Makefile
gst/mixmatrix/Makefile
gst/mpeg1enc/Makefile
gst/mpeg1sys/Makefile
gst/mpeg1videoparse/Makefile
gst/mpeg2enc/Makefile
gst/mpeg2sub/Makefile
gst/mpegaudio/Makefile
gst/mpegaudioparse/Makefile
gst/mpegstream/Makefile
gst/mpegtypes/Makefile
gst/modplug/Makefile
gst/modplug/libmodplug/Makefile
gst/monoscope/Makefile
gst/monkeyaudio/Makefile
gst/monkeyaudio/libmonkeyaudio/Makefile
gst/oneton/Makefile
gst/passthrough/Makefile
gst/playondemand/Makefile
gst/qtdemux/Makefile
gst/rtjpeg/Makefile
gst/rtp/Makefile
gst/silence/Makefile
gst/sine/Makefile
gst/smooth/Makefile
gst/smpte/Makefile
gst/spectrum/Makefile
gst/speed/Makefile
gst/stereo/Makefile
gst/stereomono/Makefile
gst/synaesthesia/Makefile
gst/udp/Makefile
gst/vbidec/Makefile
gst/videoscale/Makefile
gst/videotestsrc/Makefile
gst/videocrop/Makefile
gst/volenv/Makefile
gst/volume/Makefile
gst/vumeter/Makefile
gst/wavenc/Makefile
gst/wavparse/Makefile
gst/y4m/Makefile
sys/Makefile
sys/cdrom/Makefile
sys/dxr3/Makefile
sys/oss/Makefile
sys/qcam/Makefile
sys/v4l/Makefile
sys/v4l2/Makefile
sys/vcd/Makefile
sys/vga/Makefile
sys/xvideo/Makefile
ext/Makefile
ext/a52dec/Makefile
ext/aalib/Makefile
ext/alsa/Makefile
ext/arts/Makefile
ext/artsd/Makefile
ext/audiofile/Makefile
ext/cdparanoia/Makefile
ext/divx/Makefile
ext/dv/Makefile
ext/dvdread/Makefile
ext/dvdnav/Makefile
ext/esd/Makefile
ext/ffmpeg/Makefile
ext/flac/Makefile
ext/gnomevfs/Makefile
ext/gsm/Makefile
ext/hermes/Makefile
dnl ext/http/Makefile
ext/jack/Makefile
ext/jpeg/Makefile
ext/ladspa/Makefile
ext/lame/Makefile
ext/ivorbis/Makefile
ext/lcs/Makefile
ext/libfame/Makefile
ext/libpng/Makefile
ext/mad/Makefile
ext/mas/Makefile
ext/mikmod/Makefile
ext/mjpegtools/Makefile
ext/mpeg2dec/Makefile
ext/openquicktime/Makefile
ext/raw1394/Makefile
ext/sdl/Makefile
ext/shout/Makefile
ext/shout2/Makefile
ext/sidplay/Makefile
ext/smoothwave/Makefile
ext/snapshot/Makefile
ext/swfdec/Makefile
ext/vorbis/Makefile
ext/tarkin/Makefile
ext/xmms/Makefile
ext/xvid/Makefile
gst-libs/Makefile
gst-libs/gst/Makefile
gst-libs/gst/audio/Makefile
gst-libs/gst/floatcast/Makefile
gst-libs/gst/gconf/Makefile
gst-libs/gst/idct/Makefile
gst-libs/gst/media-info/Makefile
gst-libs/gst/play/Makefile
gst-libs/gst/resample/Makefile
gst-libs/gst/riff/Makefile
gst-libs/gst/video/Makefile
gst-libs/ext/Makefile
gst-libs/ext/ffmpeg/Makefile
examples/dynparams/Makefile
examples/capsfilter/Makefile
examples/seeking/Makefile
examples/indexing/Makefile
examples/Makefile
testsuite/autoplug/Makefile
testsuite/spider/Makefile
testsuite/alsa/Makefile
testsuite/Makefile
tools/Makefile
gconf/Makefile
pkgconfig/Makefile
)
AC_OUTPUT

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