configure.ac

      AC_MSG_ERROR([cannot find ${real_libmpeg2_tree}/libmpeg2/.libs/libmpeg2.a, make sure you compiled libmpeg2 in ${with_libmpeg2_tree}])
    fi
  else
    AC_CHECK_HEADERS(mpeg2dec/mpeg2.h, [
      AC_MSG_CHECKING(for libmpeg2 version >= 0.3.2)
      AC_EGREP_CPP(yes,
        [#include <mpeg2dec/mpeg2.h>
         #ifdef MPEG2_RELEASE
         #if MPEG2_RELEASE >= MPEG2_VERSION(0,3,2)
         yes
         #endif
         #endif],
        [AC_MSG_RESULT([yes])
          VLC_ADD_PLUGINS([libmpeg2])
          VLC_ADD_LDFLAGS([libmpeg2],[-lmpeg2])],
        [AC_MSG_RESULT([no])
          AC_MSG_ERROR([Your libmpeg2 is too old (you need the cvs version): you may get a more recent one from http://libmpeg2.sf.net/. Alternatively you can use --disable-libmpeg2 to disable the libmpeg2 plugin.])])],

      [AC_MSG_ERROR([Could not find libmpeg2 on your system: you may get it from http://libmpeg2.sf.net/ (you need the cvs version). Alternatively you can use --disable-libmpeg2 to disable the libmpeg2 plugin.])]
    )
  fi
fi

dnl
dnl  Vorbis plugin
dnl
AC_ARG_ENABLE(vorbis,
  [  --enable-vorbis         Vorbis decoder support (default enabled)])
if test "${enable_vorbis}" != "no"
then
  AC_ARG_WITH(vorbis-tree,
  [    --with-vorbis-tree=PATH vorbis tree for static linking])
  if test -n "${with_vorbis_tree}"
  then
    AC_MSG_CHECKING(for libvorbis.a in ${with_vorbis_tree})
    real_vorbis_tree="`cd ${with_vorbis_tree} 2>/dev/null && pwd`"
    if test -z "${real_vorbis_tree}"
    then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot cd to ${with_vorbis_tree}])
    fi
    if test -f "${real_vorbis_tree}/lib/.libs/libvorbis.a"
    then
      dnl  Use a custom vorbis 
      AC_MSG_RESULT(${real_vorbis_tree}/lib/.libs/libvorbis.a)
      VLC_ADD_PLUGINS([vorbis])
      VLC_ADD_LDFLAGS([vorbis],[${real_vorbis_tree}/lib/.libs/libvorbis.a ${real_vorbis_tree}/lib/.libs/libvorbisenc.a])
      VLC_ADD_CFLAGS([vorbis],[-I${real_vorbis_tree}/include])
    else
      dnl  The given vorbis wasn't built
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${real_vorbis_tree}/lib/.libs/libvorbis.a, make sure you compiled vorbis in ${with_vorbis_tree}])
    fi
  else
    AC_CHECK_HEADERS(vorbis/codec.h, [
      VLC_ADD_PLUGINS([vorbis])
      VLC_ADD_LDFLAGS([vorbis],[-lvorbis -logg]) ],[])

    AC_CHECK_HEADERS(vorbis/vorbisenc.h, [
      VLC_ADD_LDFLAGS([vorbis],[-lvorbisenc]) ],[])
  fi
fi

dnl
dnl  Tremor plugin
dnl
AC_ARG_ENABLE(tremor,
  [  --enable-tremor         Tremor decoder support (default disabled)])
if test "${enable_tremor}" = "yes"
then
  AC_CHECK_HEADERS(tremor/ivorbiscodec.h, [
    VLC_ADD_PLUGINS([tremor])
    VLC_ADD_LDFLAGS([tremor],[-lvorbisidec -logg])
   ],[])
fi

dnl
dnl  Speex plugin
dnl
AC_ARG_ENABLE(speex,
  [  --enable-speex          Speex decoder support (default enabled)])
if test "${enable_speex}" != "no"
then
  AC_ARG_WITH(speex-tree,
  [    --with-speex-tree=PATH speex tree for static linking])
  if test -n "${with_speex_tree}"
  then
    AC_MSG_CHECKING(for libspeex.a in ${with_speex_tree})
    real_speex_tree="`cd ${with_speex_tree} 2>/dev/null && pwd`"
    if test -z "${real_speex_tree}"
    then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot cd to ${with_speex_tree}])
    fi
    if test -f "${real_speex_tree}/libspeex/.libs/libspeex.a"
    then
      dnl  Use a custom speex
      AC_MSG_RESULT(${real_speex_tree}/libspeex/.libs/libspeex.a)
      VLC_ADD_PLUGINS([speex])
      VLC_ADD_LDFLAGS([speex],[${real_speex_tree}/libspeex/.libs/libspeex.a])
      VLC_ADD_CFLAGS([speex],[-I${real_speex_tree}/include])
    else
      dnl  The given speex wasn't built
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${real_speex_tree}/libspeex/.libs/libspeex.a, make sure you compiled speex in ${with_speex_tree}])
    fi
  else
    AC_CHECK_HEADERS(speex/speex.h, [
      LDFLAGS="${LDFLAGS_save} ${LDFLAGS_speex}"
      AC_CHECK_LIB(speex, speex_decode_int, [
        VLC_ADD_PLUGINS([speex])
        VLC_ADD_LDFLAGS([speex],[-lspeex]) ],
        [ AC_MSG_RESULT([no])
          AC_MSG_WARN([Your libspeex is too old, please get the development
                       version.]) ],[])
      LDFLAGS="${LDFLAGS_save}"
      ],[])
  fi
fi

dnl
dnl  tarkin decoder plugin
dnl
AC_ARG_ENABLE(tarkin,
[  --enable-tarkin         experimental tarkin codec (default disabled)])
if test "${enable_tarkin}" = "yes"
then
  AC_ARG_WITH(tarkin-tree,
  [    --with-tarkin-tree=PATH tarkin tree for static linking])
  if test -n "${with_tarkin_tree}"
  then
    AC_MSG_CHECKING(for tarkin.o in ${with_tarkin_tree})
    real_tarkin_tree="`cd ${with_tarkin_tree} 2>/dev/null && pwd`"
    if test -f "${real_tarkin_tree}/tarkin.o"
    then
      VLC_ADD_BUILTINS([tarkin])
      VLC_ADD_CPPFLAGS([tarkin],[-I${real_tarkin_tree}])
      VLC_ADD_LDFLAGS([tarkin],[${real_tarkin_tree}/mem.o ${real_tarkin_tree}/pnm.o ${real_tarkin_tree}/wavelet.o ${real_tarkin_tree}/wavelet_xform.o ${real_tarkin_tree}/wavelet_coeff.o ${real_tarkin_tree}/yuv.o ${real_tarkin_tree}/tarkin.o ${real_tarkin_tree}/info.o -logg])
      AC_MSG_RESULT(yes)
    else
      dnl  The given tarkin tree wasn't built
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${real_tarkin_tree}/tarkin.o,
                    make sure you compiled tarkin in ${with_tarkin_tree}])
    fi
  fi
fi

dnl
dnl  theora decoder plugin
dnl
AC_ARG_ENABLE(theora,
[  --enable-theora         experimental theora codec (default disabled)])
if test "${enable_theora}" = "yes"
then
  AC_CHECK_HEADERS(theora/theora.h, [
    AC_CHECK_LIB(theora, theora_granule_time, [
      if test "${SYS}" = "mingw32"; then
        VLC_ADD_PLUGINS([theora])
      else
        VLC_ADD_BUILTINS([theora])
      fi
      theora_libs="-ltheora -logg"
      VLC_ADD_LDFLAGS([theora],[${theora_libs}]) ],[
      AC_MSG_ERROR([libtheora doesn't appear to be installed on your system.
You also need to check that you have a libogg posterior to the 1.0 release.])],
      [-logg])
  ])
fi

dnl
dnl  dirac decoder plugin
dnl
AC_ARG_ENABLE(dirac,
[  --enable-dirac          experimental dirac codec (default disabled)])
if test "${enable_dirac}" = "yes"; then
  PKG_CHECK_MODULES(DIRAC,dirac, [
      VLC_ADD_PLUGINS([dirac])
      VLC_ADD_CFLAGS([dirac],[$DIRAC_CFLAGS])
      VLC_ADD_LDFLAGS([dirac],[$DIRAC_LIBS -lstdc++]) ],[
      AC_MSG_ERROR([libdirac doesn't appear to be installed on you system.])
  ])
fi

dnl  libvc1 decoder plugin
dnl
AC_ARG_ENABLE(libvc1,
[  --enable-libvc1         VC-1 codec (default disabled)])
if test "${enable_libvc1}" = "yes"
then
  AC_ARG_WITH(libvc1-tree,
  [    --with-libvc1-tree=PATH libvc1 tree for static linking])
  if test -n "${with_libvc1_tree}"
  then
    AC_MSG_CHECKING(for vc1dec.o in ${with_libvc1_tree})
    real_libvc1_tree="`cd ${with_libvc1_tree} 2>/dev/null && pwd`"
    if test -f "${real_libvc1_tree}/src/.libs/vc1dec.o"
    then
      VLC_ADD_BUILTINS([libvc1])
      VLC_ADD_CPPFLAGS([libvc1],[-I${real_libvc1_tree}/src])
      VLC_ADD_LDFLAGS([libvc1],[${real_libvc1_tree}/src/.libs/libvc1.a])
      AC_MSG_RESULT(yes)
    else
      dnl  The given libvc1 tree wasn't built
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([cannot find ${real_libvc1_tree}/src/.libs/vc1dec.o,
                    make sure you compiled libvc1 in ${with_libvc1_tree}])
    fi
  fi
fi

dnl
dnl  PNG decoder module
dnl
AC_ARG_ENABLE(png,
  [  --enable-png            PNG support (default enabled)])
if test "${enable_png}" != "no"; then
AC_CHECK_HEADERS(png.h, [
  LDFLAGS="${LDFLAGS_save} -lz"
  AC_CHECK_LIB(png, png_set_rows, [
    VLC_ADD_LDFLAGS([png],[-lpng -lz])
    VLC_ADD_PLUGINS([png])
    VLC_ADD_PLUGINS([osdmenu])
    AC_DEFINE(HAVE_LIBPNG, [], [Define if you have the PNG library: libpng])],
    [],[-lz])
  LDFLAGS="${LDFLAGS_save}"
  ])
fi

dnl
dnl H264 encoder plugin (using libx264)
dnl
AC_ARG_ENABLE(x264,
  [  --enable-x264           H264 encoding support with libx264 (default enabled)])
if test "${enable_x264}" != "no"; then
  AC_ARG_WITH(x264-tree,
    [    --with-x264-tree=PATH x264 tree for static linking ],[],[])
  if test "${with_x264_tree}" != "no" -a -n "${with_x264_tree}"
  then
    real_x264_tree="`cd ${with_x264_tree} 2>/dev/null && pwd`"
    if test -z "${real_x264_tree}"
    then
      dnl  The given directory can't be found
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([${with_x264_tree} directory doesn't exist])
    fi
    dnl  Use a custom libx264
    AC_MSG_CHECKING(for x264.h in ${real_x264_tree})
    if test -f ${real_x264_tree}/x264.h
    then
      AC_MSG_RESULT(yes)
      VLC_ADD_CPPFLAGS([x264],[-I${real_x264_tree}])
      VLC_ADD_LDFLAGS([x264],[-L${real_x264_tree}])
      LDFLAGS="${LDFLAGS_save} ${LDFLAGS_x264} ${THREAD_LIB}"
      AC_CHECK_LIB(x264, x264_encoder_open, [
        VLC_ADD_BUILTINS([x264])
        VLC_ADD_LDFLAGS([x264],[-lx264])
      ],[
        AC_MSG_ERROR([the specified tree hasn't been compiled])
      ])
      LDFLAGS="${LDFLAGS_save}"
    else
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([the specified tree doesn't have x264.h])
    fi
  else
    LDFLAGS="${LDFLAGS_save} ${LDFLAGS_x264} ${THREAD_LIB}"
    AC_CHECK_HEADERS(x264.h, [
      AC_CHECK_LIB(x264, x264_encoder_open, [
        VLC_ADD_PLUGINS([x264])
        VLC_ADD_LDFLAGS([x264],[-lx264])
      ],[
        if test "${enable_x264}" = "yes"; then
            AC_MSG_ERROR([Could not find libx264 on your system: you may get it from http://www.videolan.org/x264.html])
          fi
      ])
    ])
    LDFLAGS="${LDFLAGS_save}"
  fi
fi

dnl
dnl  CMML plugin
dnl
AC_ARG_ENABLE(cmml,
  [  --enable-cmml           CMML support (default enabled)])
if test "${enable_cmml}" != "no"
then
  VLC_ADD_PLUGINS([cmml])
fi


dnl
dnl  Video plugins
dnl

AC_ARG_WITH(,[Video plugins:])

dnl Check for DPMS
if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
  CPPFLAGS="${CPPFLAGS_save} ${X_CFLAGS}"
  AC_CHECK_HEADERS(X11/extensions/dpms.h, [
    AC_MSG_CHECKING(for DPMSInfo in X11/extensions/dpms.h)
    AC_EGREP_HEADER(DPMSInfo,X11/extensions/dpms.h,[
      AC_MSG_RESULT(yes)
      AC_DEFINE(DPMSINFO_IN_DPMS_H, 1,
                Define if <X11/extensions/dpms.h> defines DPMSInfo.)
    ],[
      AC_MSG_RESULT(no)
    ])
  ],,[
    #include <X11/Xlib.h>
  ])
  CPPFLAGS="${CPPFLAGS_save}"
fi

dnl
dnl  X11 module
dnl  (enabled by default except on win32)
dnl
AC_ARG_ENABLE(x11,
  [  --enable-x11            X11 support (default enabled)])
if test "${enable_x11}" != "no" &&
  (test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" ||
   test "${enable_x11}" = "yes"); then
  CPPFLAGS="${CPPFLAGS_save} ${X_FLAGS}"
  AC_CHECK_HEADERS(X11/Xlib.h, [
    VLC_ADD_PLUGINS([x11])
    VLC_ADD_LDFLAGS([x11],[${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext])
    VLC_ADD_CPPFLAGS([x11],[${X_CFLAGS}])
  ])
  CPPFLAGS="${CPPFLAGS_save}"
fi

dnl
dnl  XVideo module
dnl  (enabled by default except on win32)
dnl
AC_ARG_ENABLE(xvideo,
  [  --enable-xvideo         XVideo support (default enabled)])
if test "${enable_xvideo}" != "no" &&
  (test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" ||
   test "${enable_xvideo}" = "yes"); then
  CPPFLAGS="${CPPFLAGS_save} ${X_CFLAGS}"
  AC_CHECK_HEADERS(X11/extensions/Xv.h, [
    CFLAGS="${CFLAGS_save} ${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext"
    AC_CHECK_LIB(Xv,XvPutImage,[
      # If libXv.so is available, xvideo can be a plugin. Otherwise, we
      # test for libXv_pic.
      if test -f /usr/X11R6/lib/libXv.so -o -f "${x_libraries}"/libXv.so; then
        VLC_ADD_PLUGINS([xvideo])
        VLC_ADD_CPPFLAGS([xvideo],[${X_CFLAGS}])
        VLC_ADD_LDFLAGS([xvideo],[${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext -lXv])
      else
        AC_CHECK_LIB(Xv_pic,XvPutImage,[
          VLC_ADD_PLUGINS([xvideo])
          VLC_ADD_CPPFLAGS([xvideo],[${X_CFLAGS}])
          VLC_ADD_LDFLAGS([xvideo],[${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext -lXv_pic])
        ],[
          VLC_ADD_BUILTINS([xvideo])
          VLC_ADD_LDFLAGS([xvideo],[${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext -lXv])
          VLC_ADD_CPPFLAGS([xvideo],[${X_CFLAGS}])
        ])
      fi
    ])
    CFLAGS="${CFLAGS_save}"
  ]
  CPPFLAGS="${CPPFLAGS_save}")
fi

dnl
dnl  GLX module
dnl  (enabled by default except on win32)
dnl
AC_ARG_ENABLE(glx,
  [  --enable-glx            X11 OpenGL (GLX) support (default enabled)])
if test "${enable_glx}" != "no" &&
  (test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" ||
   test "${enable_glx}" = "yes"); then
  CPPFLAGS="${CPPFLAGS_save} ${X_CFLAGS}"
  AC_CHECK_HEADERS(X11/Xlib.h, [
    AC_CHECK_HEADERS(GL/glx.h, [
      VLC_ADD_PLUGINS([glx])
      VLC_ADD_LDFLAGS([glx],[${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext -lGL -lGLU])
      VLC_ADD_CPPFLAGS([glx],[${X_CFLAGS}])
  ]) ])
  CPPFLAGS="${CPPFLAGS_save}"
fi

dnl
dnl  Check for the Xinerama extension
dnl
if test "${enable_xvideo}" != "no" &&
  (test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" ||
   test "${enable_xvideo}" = "yes"); then
  ac_cv_have_xinerama="no"
  CPPFLAGS="${CPPFLAGS_save} ${X_CFLAGS}"
  CFLAGS="${CFLAGS_save} ${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext"
  AC_CHECK_HEADERS(X11/extensions/Xinerama.h,[
    AC_CHECK_LIB(Xinerama_pic, XineramaQueryExtension,[
      VLC_ADD_LDFLAGS([xvideo],[-lXinerama_pic])
      VLC_ADD_LDFLAGS([x11],[-lXinerama_pic])
      VLC_ADD_LDFLAGS([glx],[-lXinerama_pic])
      ac_cv_have_xinerama="yes"
    ],[
      AC_CHECK_LIB(Xinerama, XineramaQueryExtension,[
        VLC_ADD_LDFLAGS([xvideo],[-lXinerama])
        VLC_ADD_LDFLAGS([x11],[-lXinerama])
        VLC_ADD_LDFLAGS([glx],[-lXinerama])
        ac_cv_have_xinerama="yes"
      ])
    ])
  ])
  if test "${ac_cv_have_xinerama}" = "yes"; then
    AC_DEFINE(HAVE_XINERAMA, 1, [Define this if you have libXinerama installed])
  fi
  CFLAGS="${CFLAGS_save}"
  CPPFLAGS="${CPPFLAGS_save}"
fi

dnl
dnl  OpenGL module
dnl  (enabled by default except on beos)
dnl
AC_ARG_ENABLE(opengl,
  [  --enable-opengl         OpenGL support (default enabled)])
if test "${enable_opengl}" != "no" &&
   test "${SYS}" != "beos" -a "${SYS}" != "mingwce"; then
  if test "${SYS}" != "darwin"; then
    AC_CHECK_HEADERS(GL/gl.h, [
      VLC_ADD_PLUGINS([opengl])
      if test "${SYS}" != "mingw32"; then
        VLC_ADD_LDFLAGS([opengl],[${X_LIBS} -lGL -lGLU])
      else
        VLC_ADD_LDFLAGS([opengl],[-lopengl32])
      fi
    ])
  else
    dnl OS X special case (no GL/gl.h but OpenGL/gl.h)
    VLC_ADD_PLUGINS([opengl])
    VLC_ADD_LDFLAGS([opengl],[-framework OpenGL])
  fi
fi

dnl
dnl  SDL module
dnl
AC_ARG_ENABLE(sdl,
  [  --enable-sdl            SDL support (default enabled)])
if test "${enable_sdl}" != "no"
then
  SDL_PATH="${PATH}"
  AC_ARG_WITH(sdl-config-path,
    [    --with-sdl-config-path=PATH sdl-config path (default search in \$PATH)],
    [ if test "${with_sdl_config_path}" != "no"
      then
        SDL_PATH="${with_sdl_config_path}:${PATH}"
      fi ])
  AC_PATH_PROG(SDL12_CONFIG, sdl12-config, no, ${SDL_PATH})
  SDL_CONFIG="${SDL12_CONFIG}"
  SDL_HEADER="SDL12/SDL.h"
  SDL_IMAGE="SDL12/SDL_image.h"
  if test "${SDL_CONFIG}" = "no"
  then
    AC_PATH_PROG(SDL11_CONFIG, sdl11-config, no, ${SDL_PATH})
    SDL_CONFIG=${SDL11_CONFIG}
    SDL_HEADER="SDL11/SDL.h"
    SDL_IMAGE="SDL11/SDL_image.h"
  fi
  if test "${SDL_CONFIG}" = "no"
  then
    AC_PATH_PROG(SDL_CONFIG, sdl-config, no, ${SDL_PATH})
    SDL_HEADER="SDL/SDL.h"
    SDL_IMAGE="SDL/SDL_image.h"
  fi
  # check for cross-compiling
  SDL_PREFIX=
  AC_ARG_WITH(sdl-prefix,
    [    --with-sdl-prefix=PATH path to libsdl (needed for cross-compiling),
                               e.g use as:
                               --with-sdl-prefix=/usr/local/arm/2.95.3/arm-linux/usr)],[],[])
  if test "${with_sdl_prefix}" != "no" -a -n "${with_sdl_prefix}"
  then
    SDL_PREFIX="--prefix=${with_sdl_prefix}"
  fi
  if test "${SDL_CONFIG}" != "no"
  then
    # SDL on Darwin is heavily patched and can only run SDL_image
    if test "${SYS}" != "darwin" -a "${SYS}" != "mingw32"; then
      VLC_ADD_PLUGINS([vout_sdl aout_sdl])
    fi
    VLC_ADD_CFLAGS([vout_sdl aout_sdl sdl_image],[`${SDL_CONFIG} ${SDL_PREFIX} --cflags | sed 's,SDL,,'`])
    VLC_ADD_LDFLAGS([vout_sdl aout_sdl sdl_image],[`${SDL_CONFIG} ${SDL_PREFIX} --libs | sed 's,-rdynamic,,'`])
    CPPFLAGS="${CPPFLAGS_save} ${CFLAGS_vout_sdl}"
    AC_CHECK_HEADERS(${SDL_HEADER}, AC_DEFINE_UNQUOTED(SDL_INCLUDE_FILE,
      <${SDL_HEADER}>, Indicate whether we should use SDL/SDL.h or SDL11/SDL.h),
      [ AC_CHECK_HEADERS(SDL.h, AC_DEFINE(SDL_INCLUDE_FILE, <SDL.h>,
          As a last resort we also test for SDL.h presence),
      [ AC_MSG_ERROR([The development package for SDL is not installed.
Please install it and try again. Alternatively you can also configure with
--disable-sdl.])
      ])])
    AC_CHECK_HEADERS(${SDL_IMAGE}, [AC_DEFINE_UNQUOTED(SDL_IMAGE_INCLUDE_FILE,
      <${SDL_IMAGE}>, Indicate the path of SDL_image.h)
      VLC_ADD_PLUGINS([sdl_image])
      AC_CHECK_LIB(png, png_set_rows,
        [VLC_ADD_LDFLAGS([sdl_image],[-lpng -lz])],[],[-lz])
      AC_CHECK_LIB(jpeg, jpeg_start_decompress,
        [VLC_ADD_LDFLAGS([sdl_image],[-ljpeg])])
      AC_CHECK_LIB(tiff, TIFFClientOpen,
        [VLC_ADD_LDFLAGS([sdl_image],[-ltiff])])
      VLC_ADD_LDFLAGS([sdl_image], [-lSDL_image])],
      [ AC_CHECK_HEADERS(SDL_image.h, AC_DEFINE(SDL_IMAGE_INCLUDE_FILE, <SDL_image.h>,
          As a last resort we also test for SDL_image.h presence),
      [ AC_MSG_WARN([The development package for SDL_image is not installed.
You should install it alongside your SDL package.])
      ])])
    CPPFLAGS="${CPPFLAGS_save}"
    if expr 1.1.5 \> `${SDL_CONFIG} --version` >/dev/null
    then
      AC_MSG_ERROR([The development package for SDL is not installed.
Please install it and try again. Alternatively you can also configure with
--disable-sdl.])
    fi

  elif test "${enable_sdl}" =  "yes"
  then
    AC_MSG_ERROR([I couldn't find the SDL package. You can download libSDL
from http://www.libsdl.org/, or configure with --disable-sdl. Have a nice day.
    ])
  fi
fi

dnl
dnl  freetype module
dnl
AC_ARG_ENABLE(freetype,
  [  --enable-freetype       freetype support (default enabled)])
AC_ARG_ENABLE(fribidi,
  [  --enable-fribidi        fribidi support (default enabled)])
if test "${enable_freetype}" != "no"
then
  FREETYPE_PATH="${PATH}"
  AC_ARG_WITH(freetype-config-path,
    [    --with-freetype-config-path=PATH freetype-config path (default search in \$PATH)],
    [ if test "${with_freetype_config_path}" != "no"
      then
        FREETYPE_PATH="${with_freetype_config_path}:${PATH}"
      fi ])
  AC_PATH_PROG(FREETYPE_CONFIG, freetype-config, no, ${FREETYPE_PATH})

  if test "${FREETYPE_CONFIG}" != "no"
  then
    VLC_ADD_PLUGINS([freetype])
    VLC_ADD_CFLAGS([freetype],[`${FREETYPE_CONFIG} --cflags`])
    VLC_ADD_LDFLAGS([freetype],[`${FREETYPE_CONFIG} --libs`])
    AC_CHECK_HEADERS(Carbon/Carbon.h,
      [VLC_ADD_LDFLAGS([freetype],[-framework Carbon])])
  elif test "${enable_freetype}" =  "yes"
  then
    AC_MSG_ERROR([I couldn't find the freetype package. You can download libfreetype2
from http://www.freetype.org/, or configure with --disable-freetype. Have a nice day.
    ])
  fi

  dnl fribidi support
  if test "${enable_fribidi}" != "no"
  then
    FRIBIDI_PATH="${PATH}"
    AC_ARG_WITH(fribidi-config-path,
      [    --with-fribidi-config-path=PATH fribidi-config path (default search in \$PATH)],
      [ if test "${with_fribidi_config_path}" != "no"
        then
          FRIBIDI_PATH="${with_fribidi_config_path}:${PATH}"
        fi ])
    AC_PATH_PROG(FRIBIDI_CONFIG, fribidi-config, no, ${FRIBIDI_PATH})

    if test "${FRIBIDI_CONFIG}" != "no"
    then
      VLC_ADD_CFLAGS([freetype], [`${FRIBIDI_CONFIG} --cflags` -DHAVE_FRIBIDI])
      VLC_ADD_CPPFLAGS([skins2], [`${FRIBIDI_CONFIG} --cflags` -DHAVE_FRIBIDI])
      VLC_ADD_LDFLAGS([freetype], [`${FRIBIDI_CONFIG} --libs`])
      VLC_ADD_LDFLAGS([skins2], [`${FRIBIDI_CONFIG} --libs`])
    fi
  fi
fi

dnl
dnl  libxml2 module
dnl
AC_ARG_ENABLE(libxml2,
  [  --enable-libxml2        libxml2 support (default enabled)])
if test "${enable_libxml2}" != "no"
then
  XML2_PATH="${PATH}"
  AC_ARG_WITH(xml2-config-path,
    [    --with-xml2-config-path=PATH xml2-config path (default search in \$PATH)],
    [ if test "${with_xml2_config_path}" != "no"; then
        XML2_PATH="${with_xml2_config_path}:${PATH}"
      fi ])
  AC_PATH_PROG(XML2_CONFIG, xml2-config, no, ${XML2_PATH})
  if test "${XML2_CONFIG}" != "no"; then
    VLC_ADD_CPPFLAGS([xml],[`${XML2_CONFIG} --cflags`])
    VLC_ADD_LDFLAGS([xml],[`${XML2_CONFIG} --libs`])
    dnl depends on the xmlTextReader extension
    CPPFLAGS="${CPPFLAGS_save} ${CPPFLAGS_xml}"
    LDFLAGS="${LDFLAGS_save} ${LDFLAGS_xml}"
    AC_CHECK_LIB(xml2,xmlTextReaderConstName,[
      AC_EGREP_HEADER(xmlTextReaderConstName,libxml/xmlreader.h,[
        VLC_ADD_PLUGINS([xml]) ],[
          AC_MSG_WARN([libxml2 missing the xmlTextReader extension, you should update your version])
          if test "${enable_xml2}" = "yes"; then
            AC_MSG_ERROR([libxml2 missing the xmlTextReader extension])
          fi])
       ],[
      AC_MSG_WARN([libxml2 missing the xmlTextReader extension, you should update your version])
      if test "${enable_xml2}" = "yes"; then
        AC_MSG_ERROR([libxml2 missing the xmlTextReader extension])
      fi])
    LDFLAGS="${LDFLAGS_save}"
    CPPFLAGS="${CPPFLAGS_save}"
  else
    if test "${enable_xml2}" = "yes"; then
      AC_MSG_ERROR([Could not find libxml2])
    fi
  fi
fi

dnl
dnl  SVG module
dnl
AC_ARG_ENABLE(svg,
  [  --enable-svg            SVG support (default disabled)])
if test "${enable_svg}" = "yes"
then
  PKG_CHECK_MODULES(SVG, 
	librsvg-2.0 >= 2.5.0,
	[
 	  VLC_ADD_LDFLAGS([svg],[$SVG_LIBS])
      	  VLC_ADD_CFLAGS([svg],[$SVG_CFLAGS])
          VLC_ADD_PLUGINS([svg]) ],
        [AC_MSG_WARN(SVG library not found)])
fi

dnl
dnl Snapshot vout module (with cache)
dnl
AC_ARG_ENABLE(snapshot,
  [  --enable-snapshot       snapshot module (default disabled)])
if test "${enable_snapshot}" = "yes"
then
  VLC_ADD_PLUGINS([snapshot])
fi

dnl
dnl  Qt Embedded module
dnl  (disabled by default)
dnl
AC_ARG_ENABLE(qte,
  [  --enable-qte            QT Embedded support (default disabled)])
if test "${enable_qte}" = "yes"
then
  AC_ARG_WITH(qte,
  [    --with-qte=PATH       Qt Embedded headers and libraries])
  if test "${with_qte}" != "no" -a -n "${with_qte}"
  then
    VLC_ADD_LDFLAGS([qte],[-L${with_qte}/lib `echo -L${with_qte}/lib | sed 's,opt/QtPalmtop,usr,'` -ljpeg -lqte])
    VLC_ADD_CXXFLAGS([qte],[-I${with_qte}/include `echo -I${with_qte}/include | sed 's,opt/QtPalmtop,usr,'` -DQT_QWS_IPAQ -DQWS -fno-exceptions -fno-rtti])
  else
    VLC_ADD_LDFLAGS([qte],[-L${QTDIR}/lib `echo -L${QTDIR}/lib | sed 's,opt/QtPalmtop,usr,'` -ljpeg -lqte])
    VLC_ADD_CXXFLAGS([qte],[-I${QTDIR}/include `echo -I${QTDIR}/include | sed 's,opt/QtPalmtop,usr,'` -DQT_QWS_IPAQ -DQWS -fno-exceptions -fno-rtti])
  fi
  VLC_ADD_PLUGINS([qte])
  NEED_QTE_MAIN=yes
  CPPFLAGS="${CPPFLAGS_save} ${CXXFLAGS_qte}"
  AC_CHECK_HEADERS(qt.h jpeglib.h, ,[
    AC_MSG_ERROR([echo "Cannot find QT Embedded development headers."])
  ] )
  CPPFLAGS="${CPPFLAGS_save}"
fi

dnl
dnl  Qt Video output module
dnl  (disabled by default)
dnl
dnl AC_ARG_ENABLE(qt_video,
dnl   [  --enable-qt_video            QT Video Output support (default disabled)])
dnl if test "${enable_qt_video}" = "yes"
dnl then
dnl  VLC_ADD_PLUGINS([qt_video])
dnl  VLC_ADD_LDFLAGS([qt_video],[-L${QTDIR}/lib])
dnl  LDFLAGS="${LDFLAGS_save} ${LDFLAGS_qt_video}"
dnl   AC_CHECK_LIB(qt-mt,main,[
dnl    VLC_ADD_LDFLAGS([qt_video],[-lqt-mt])
dnl  ],[
dnl    AC_CHECK_LIB(qt,main,[
dnl      VLC_ADD_LDFLAGS([qt_video],[-lqt])
dnl    ])
dnl  ])
dnl  NEED_QTE_MAIN=yes
dnl  LDFLAGS="${LDFLAGS_save}"
dnl  VLC_ADD_CXXFLAGS([qt_video],[-I/usr/include/qt3 -I/usr/include/qt -I${QTDIR}/include])
dnl fi

dnl
dnl Roku HD1000 Video output module
dnl
AC_ARG_ENABLE(hd1000v,
  [  --enable-hd1000v        HD1000 Video Output module (default enabled on HD1000)])
if test "${enable_hd1000v}" != "no" -a "${CXX}" != "" &&
  (test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" ||
   test "${enable_hd1000v}" = "yes"); then
  AC_LANG_PUSH([C++])
  AC_CHECK_HEADERS([cascade/graphics/CascadeScreen.h cascade/graphics/CascadeBitmap.h],
  [
    can_build_roku="yes"
  ],
  [
    can_build_roku="no"
    AC_MSG_WARN([Not building Roku HD1000 compatible video output])
  ])
  if test "$can_build_roku" = "yes"
  then
    VLC_ADD_PLUGINS([hd1000v])
    VLC_ADD_LDFLAGS([hd1000v],[-lCascade -ldvbpsi -lmad])
  fi
  AC_LANG_POP([C++])
fi

dnl
dnl  Windows DirectX module
dnl
AC_ARG_ENABLE(directx,
  [  --enable-directx        Win32 DirectX support (default enabled on Win32)])
if test "${enable_directx}" != "no"
then
  if test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce" -o "${SYS}" = "cygwin"
  then
    AC_ARG_WITH(directx,
    [    --with-directx=PATH   Win32 DirectX headers])
    if test -z "${with_directx}"
    then
      AC_CHECK_HEADERS(ddraw.h,
      [ VLC_ADD_PLUGINS([vout_directx aout_directx])
        VLC_ADD_LDFLAGS([vout_directx],[-lgdi32])
        dnl to be moved when dependance is removed
        AC_CHECK_HEADERS(GL/gl.h, [
            VLC_ADD_PLUGINS([glwin32])
            VLC_ADD_LDFLAGS([glwin32],[-lopengl32 -lgdi32])
        ]) ])
    else
      AC_MSG_CHECKING(for directX headers in ${with_directx})
      if test -f ${with_directx}/ddraw.h
      then
        VLC_ADD_PLUGINS([vout_directx aout_directx])
        VLC_ADD_CPPFLAGS([vout_directx aout_directx],[-I${with_directx}])
        VLC_ADD_LDFLAGS([vout_directx],[-lgdi32])
        AC_MSG_RESULT(yes)
      else
        AC_MSG_RESULT(no)
        AC_MSG_ERROR([Cannot find ${with_directx}/ddraw.h!])
      fi
    fi
  fi
fi

dnl
dnl  Linux framebuffer module
dnl
AC_ARG_ENABLE(fb,
  [  --enable-fb             Linux framebuffer support (default enabled on Linux)])
    if test "${enable_fb}" != "no"
    then
      AC_CHECK_HEADERS(linux/fb.h, [
        VLC_ADD_PLUGINS([fb])
      ])
    fi

dnl
dnl  Linux MGA module
dnl
AC_ARG_ENABLE(mga,
  [  --enable-mga            Linux kernel Matrox support (default disabled)],
  [ if test "${enable_mga}" = "yes"
    then
      VLC_ADD_PLUGINS([mga])
    fi ])

dnl
dnl  SVGAlib module
dnl
AC_ARG_ENABLE(svgalib,
  [  --enable-svgalib        SVGAlib support (default disabled)])
if test "${enable_svgalib}" = "yes"
then
  VLC_ADD_PLUGINS([svgalib])
  VLC_ADD_LDFLAGS([svgalib],[-lvgagl -lvga])
fi

dnl
dnl  DirectFB module
dnl
AC_ARG_ENABLE(directfb,
  [  --enable-directfb       DirectFB support (default disabled)])
if test "${enable_directfb}" = "yes"
then
  if test "${with_directfb}" = "no"
  then
    AC_CHECK_HEADER(directfb.h, have_directfb="true", have_directfb="false")
    if test "${have_directfb}"= "true"
    then
        VLC_ADD_PLUGINS([directfb])
        VLC_ADD_LDFLAGS([directfb],[-ldirectfb -lfusion -ldirect -lpthread -ljpeg -lz -ldl])
        VLC_ADD_CPPFLAGS([directfb],[-I/usr/include/directfb -D_REENTRANT])
    else
        AC_MSG_ERROR([cannot find /usr/include/directfb headers, make sure directfb is installed on your system or use --disable-directfb])
    fi
  else
    CPPFLAGS_save="${CPPFLAGS}"
    CPPFLAGS="${CPPFLAGS} -I${with_directfb}/include"
    AC_CHECK_HEADER(directfb.h, have_directfb="true", have_directfb="false")
    CPPFLAGS="${CPPFLAGS_save}"
    AC_ARG_WITH(directfb,
        [    --with-directfb=PATH  path to directfb],
        [ if test "${with_directfb}" != "no" -a -n "${with_directfb}"
        then
            VLC_ADD_PLUGINS([directfb])
            VLC_ADD_CPPFLAGS([directfb],[-I${with_directfb}/include -D_REENTRANT])
            VLC_ADD_LDFLAGS([directfb],[-L${with_directfb}/lib -ldirectfb -lfusion -ldirect -lpthread -ljpeg -lz -ldl])
        fi ],
        [ AC_MSG_ERROR([cannot find directfb headers in ${with_directfb}/include]) ])
  fi
fi

dnl
dnl  GGI module
dnl
AC_ARG_ENABLE(ggi,
  [  --enable-ggi            GGI support (default disabled)])
if test "${enable_ggi}" = "yes"
then
  VLC_ADD_PLUGINS([ggi])
  VLC_ADD_LDFLAGS([ggi],[-lggi])
  AC_ARG_WITH(ggi,
    [    --with-ggi=PATH       path to libggi],
    [ if test "${with_ggi}" != "no" -a -n "${with_ggi}"
      then
        VLC_ADD_CPPFLAGS([ggi],[-I${with_ggi}/include])
        VLC_ADD_LDFLAGS([ggi],[-L${with_ggi}/lib])
      fi ])
fi

dnl
dnl  Glide module
dnl
AC_ARG_ENABLE(glide,
  [  --enable-glide          Glide (3dfx) support (default disabled)])
if test "${enable_glide}" = "yes"
then
  CFLAGS_save="${CFLAGS}"
  AC_ARG_WITH(glide,
    [    --with-glide=PATH     path to libglide],
    [ if test "${with_glide}" != "no" -a -n "${with_glide}"
      then
        VLC_ADD_CPPFLAGS([glide],[-I${with_glide}/include])
        VLC_ADD_LDFLAGS([glide],[-L${with_glide}/lib])
        CFLAGS="$CFLAGS -I${with_glide}/include"
    fi ])
   CFLAGS="$CFLAGS -I/usr/include/glide"
   AC_CHECK_HEADER(glide.h,[   
      VLC_ADD_PLUGINS([glide])
      VLC_ADD_LDFLAGS([glide],[-lglide2x -lm])
      VLC_ADD_CPPFLAGS([glide],[-I/usr/include/glide])
    ],[
      AC_MSG_ERROR([You don't have libglide. Install it or do not use --enable-glide])
     ])
   CFAGS="${CFLAGS_save}"
fi

dnl
dnl  AA plugin
dnl
AC_ARG_ENABLE(aa,
  [  --enable-aa             aalib output (default disabled)])
if test "${enable_aa}" = "yes"
then
  AC_CHECK_HEADER(aalib.h,have_aa="true",have_aa="false")
  if test "${have_aa}" = "true"
  then
    VLC_ADD_PLUGINS([aa])
    VLC_ADD_LDFLAGS([aa],[-laa])
  fi
fi

dnl
dnl  libcaca plugin
dnl
AC_ARG_ENABLE(caca,
  [  --enable-caca           libcaca output (default disabled)])
if test "${enable_caca}" = "yes"
then
  CACA_PATH="${PATH}"
  AC_ARG_WITH(caca-config-path,
    [    --with-caca-config-path=PATH caca-config path (default search in \$PATH)],
    [ if test "${with_caca_config_path}" != "no"
      then
        CACA_PATH="${with_caca_config_path}:${PATH}"
      fi ])
  AC_PATH_PROG(CACA_CONFIG, caca-config, no, ${CACA_PATH})
  if test "${CACA_CONFIG}" != "no"
  then
    VLC_ADD_PLUGINS([caca])
    VLC_ADD_CFLAGS([caca],[`${CACA_CONFIG} --cflags`])
    VLC_ADD_LDFLAGS([caca],[`${CACA_CONFIG} --plugin-libs`])
  fi
fi

dnl
dnl  win32 GDI plugin
dnl
AC_ARG_ENABLE(wingdi,
  [  --enable-wingdi         Win32 GDI module (default enabled on Win32)])
if test "${enable_wingdi}" != "no"; then
  if test "${SYS}" = "mingw32" -o "${SYS}" = "cygwin"; then
    VLC_ADD_PLUGINS([wingdi])
    VLC_ADD_LDFLAGS([wingdi],[-lgdi32])
  fi
  if test "${SYS}" = "mingwce"; then
    VLC_ADD_PLUGINS([wingdi wingapi])
  fi
fi

dnl
dnl  Audio plugins
dnl

AC_ARG_WITH(,[Audio plugins:])

dnl
dnl  OSS /dev/dsp module (enabled by default except on win32)
dnl
AC_ARG_ENABLE(oss,
  [  --enable-oss            Linux OSS /dev/dsp support (enabled on Linux)])

if test "${enable_oss}" != "no" &&
  (test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" ||
   test "${enable_oss}" = "yes")
then
  AC_CHECK_HEADERS(soundcard.h sys/soundcard.h machine/soundcard.h, [
    VLC_ADD_PLUGINS([oss])
    AC_CHECK_LIB(ossaudio,main,VLC_ADD_LDFLAGS([oss],[-lossaudio]))
  ])
fi

dnl
dnl  Esound module
dnl
AC_ARG_ENABLE(esd,
  [  --enable-esd            Esound library support (default disabled)],
  [if test "${enable_esd}" = "yes"
   then
     AC_PATH_PROG(ESD_CONFIG, esd-config, no)
     if test "${ESD_CONFIG}" != "no"
     then
       VLC_ADD_PLUGINS([esd])
       VLC_ADD_CFLAGS([esd],[`${ESD_CONFIG} --cflags`])
       VLC_ADD_LDFLAGS([esd],[`${ESD_CONFIG} --libs`])
     fi
   fi])

dnl
dnl  Portaudio module
dnl
AC_ARG_ENABLE(portaudio,
  [  --enable-portaudio      Portaudio library support (default disabled)],
  [if test "${enable_portaudio}" = "yes"
   then
     VLC_ADD_PLUGINS([portaudio])
     VLC_ADD_CXXFLAGS([portaudio],[])
     if test "${SYS}" = "mingw32"; then
        VLC_ADD_LDFLAGS([portaudio],[-lportaudio -lwinmm -lole32])
     else
        VLC_ADD_LDFLAGS([portaudio],[-lportaudio])
     fi
   fi])

dnl
dnl  aRts module -- broken (freeze wxWidgets)
dnl
AC_ARG_ENABLE(arts,
 [  --enable-arts           aRts sound server (default disabled)],
 [if test "${enable_arts}" = "yes"
  then
    AC_PATH_PROG(ARTS_CONFIG, artsc-config, no)
    if test "${ARTS_CONFIG}" != "no"
    then
      VLC_ADD_PLUGINS([arts])
      VLC_ADD_CFLAGS([arts],[`${ARTS_CONFIG} --cflags`])