configure.ac

    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_LIBS([x264],[-L${real_x264_tree}])
      PKG_CHECK_MODULES(X264,x264, [
        VLC_ADD_PLUGIN([x264])
        VLC_ADD_LDFLAGS([x264],[${X264_LIBS}])
        VLC_ADD_CFLAGS([x264],[${X264_CFLAGS}])
        if echo ${X264_LIBS} |grep -q 'pthreadGC2'; then
          VLC_ADD_CFLAGS([x264], [-DPTW32_STATIC_LIB])
        fi
      ],[
        AC_MSG_ERROR([the specified tree hasn't been compiled])
      ])
      LDFLAGS="${LDFLAGS_save}"
    else
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([the specified tree doesn't have x264.h])
    fi
  else
      PKG_CHECK_MODULES(X264,x264 >= 0.86, [
        VLC_ADD_PLUGIN([x264])
        VLC_ADD_LDFLAGS([x264],[${X264_LIBS}])

        AS_IF([test "${ac_cv_ld_bsymbolic}" != "no"], [
          VLC_ADD_LDFLAGS([x264],[-Wl,-Bsymbolic])
        ])

        VLC_ADD_CFLAGS([x264],[${X264_CFLAGS}])
        if echo ${X264_LIBS} |grep -q 'pthreadGC2'; then
          VLC_ADD_CFLAGS([x264], [-DPTW32_STATIC_LIB])
        fi
      ],[
        if test "${enable_x264}" = "yes"; then
            AC_MSG_ERROR([Could not find libx264 >= 0.86 on your system: you may get it from http://www.videolan.org/x264.html])
          fi
      ])
    LDFLAGS="${LDFLAGS_save}"
  fi
fi

dnl
dnl libfluidsynth (MIDI synthetizer) plugin
dnl
PKG_ENABLE_MODULES_VLC([FLUIDSYNTH], [], [fluidsynth], [MIDI synthetiser with libfluidsynth], [auto])

dnl
dnl Teletext Modules
dnl vbi decoder plugin (using libzbvi)
dnl telx module
dnl uncompatible
dnl
AC_ARG_ENABLE(zvbi,
  AS_HELP_STRING([--enable-zvbi],[VBI (inc. Teletext) decoding support with
                  libzvbi (default enabled)]))
AC_ARG_ENABLE(telx,
  AS_HELP_STRING([--enable-telx],[Teletext decoding module (conflicting with
                  zvbi) (default enabled if zvbi is absent)]))

AS_IF( [test "${enable_zvbi}" != "no"],[
    PKG_CHECK_MODULES(ZVBI,
        zvbi-0.2 >= 0.2.28,
        [
          VLC_ADD_LIBS([zvbi],[$ZVBI_LIBS])
          if test "${SYS}" = "mingw32"; then
              VLC_ADD_LIBS([zvbi],[ -lpthreadGC2])
          fi
          VLC_ADD_CFLAGS([zvbi],[$ZVBI_CFLAGS])
          VLC_ADD_PLUGIN([zvbi])
          AC_DEFINE(ZVBI_COMPILED, 1, [Define if the zvbi module is built])
          AS_IF( [test "${enable_telx}" = "yes"],[
                  AC_MSG_WARN([The zvbi and telx modules are uncompatibles.
                               Using zvbi.])
                  ])
        ],[
          AC_MSG_WARN(ZVBI library not found. Enabling the telx module instead)
        ])
    ])
AS_IF( [test "${enable_telx}" != "no" ],[
  VLC_ADD_PLUGIN([telx])
  ])

dnl
dnl libass subtitle rendering module
dnl
AC_ARG_ENABLE(libass,
  [  --enable-libass         Subtitle support using libass (default enabled)])
AS_IF( [test "${enable_libass}" != "no"], [
  PKG_CHECK_MODULES(LIBASS, libass >= 0.9.6,
      [
        VLC_ADD_LIBS([libass],[$LIBASS_LIBS])
        VLC_ADD_CFLAGS([libass],[$LIBASS_CFLAGS])
        VLC_ADD_PLUGIN([libass])

        AC_CHECK_HEADERS(fontconfig/fontconfig.h,
          [VLC_ADD_CPPFLAGS([libass],[-DHAVE_FONTCONFIG])
           VLC_ADD_LIBS([libass],[-lfontconfig])
       ])
      ],[
        AC_MSG_WARN([LIBASS library not found])
      ])
  ])

dnl
dnl  kate decoder plugin
dnl
AC_ARG_ENABLE(kate,
[  --enable-kate           kate codec (default enabled)])
AS_IF([test "${enable_kate}" != "no"], [
  PKG_CHECK_MODULES(KATE,[kate >= 0.1.5], [
      VLC_ADD_PLUGIN([kate])
      VLC_ADD_CFLAGS([kate],[$KATE_CFLAGS])
      VLC_ADD_LIBS([kate],[$KATE_LIBS]) ],[
        AC_CHECK_HEADERS(kate/kate.h, [
          AC_CHECK_LIB(kate, kate_decode_init, [
            VLC_ADD_PLUGIN([kate])
            kate_libs="-lkate -logg"
            VLC_ADD_LDFLAGS([kate],[${kate_libs}]) ],[
            AS_IF([test "x${enable_kate}" != "x"], [
              AC_MSG_ERROR([libkate doesn't appear to be installed on your system.
              You also need to check that you have a libogg posterior to the 1.0 release.])
            ])
	  ], [-lkate -logg])
        ],[
          AS_IF([test "x${enable_kate}" != "x"], [
            AC_MSG_ERROR([libkate headers do not appear to be installed on your system.
            You also need to check that you have a libogg posterior to the 1.0 release.])
          ])
        ])
  ])
])


dnl
dnl  tiger rendering for kate decoder plugin
dnl
AC_ARG_ENABLE(tiger,
[  --enable-tiger          Tiger rendering library for Kate streams (default enabled)])
AS_IF([test "${enable_tiger}" != "no"], [
  PKG_CHECK_MODULES(TIGER,[tiger >= 0.3.1], [
      AC_DEFINE(HAVE_TIGER, 1, [Define if libtiger is available.])
      VLC_ADD_CFLAGS([kate],[$TIGER_CFLAGS])
      VLC_ADD_LIBS([kate],[$TIGER_LIBS]) ],[
        AS_IF([test "x${enable_tiger}" != "x"], [
          AC_MSG_ERROR([libtiger does not appear to be installed on your system.])
        ])
  ])
])



dnl
dnl  Video plugins
dnl

EXTEND_HELP_STRING([Video plugins:])

dnl
dnl  Xlib
dnl

AC_PATH_XTRA()
AC_CHECK_HEADERS(X11/Xlib.h)

dnl
dnl  X C Bindings modules
dnl
AC_ARG_ENABLE(xcb,
  [  --enable-xcb            X11 support with XCB (default enabled)],, [
  AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" -a "${SYS}" != "darwin"], [
    enable_xcb="yes"
  ], [
    enable_xcb="no"
  ])
])
AC_ARG_ENABLE(xvideo,
  [  --enable-xvideo         XVideo support (default enabled)],, [
    enable_xvideo="$enable_xcb"
])

need_xid_provider="no"
AS_IF([test "${enable_xcb}" != "no"], [
  dnl libxcb
  PKG_CHECK_MODULES(XCB, [xcb])
  PKG_CHECK_MODULES(XCB_SHM, [xcb-shm])
  VLC_ADD_PLUGIN([xscreensaver xcb_x11 xcb_window xcb_screen xcb_apps])

  AS_IF([test "${enable_xvideo}" != "no"], [
    PKG_CHECK_MODULES(XCB_XV, [xcb-xv >= 1.1.90.1], [
      VLC_ADD_PLUGIN([xcb_xv])
    ], [
      PKG_CHECK_MODULES(XCB_XV, [xcb-xv], [
        VLC_ADD_PLUGIN([xcb_xv])
        VLC_ADD_CFLAGS([xcb_xv], [-DXCB_XV_OLD])
      ])
    ])
  ])

  PKG_CHECK_MODULES(XCB_RANDR, [xcb-randr >= 1.3], [
    VLC_ADD_PLUGIN([panoramix])
    VLC_ADD_LIBS([panoramix],[${XCB_RANDR_LIBS} ${XCB_LIBS}])
    VLC_ADD_CFLAGS([panoramix],[${XCB_RANDR_CFLAGS} ${XCB_CFLAGS}])
  ], [
    AC_MSG_WARN([libxcb-randr not found. Panoramix filter will not be supported.])
  ])

  dnl xcb-utils
  PKG_CHECK_MODULES(XCB_KEYSYMS, [xcb-keysyms >= 0.3.4], [
    have_xcb_keysyms="yes"
  ], [
    PKG_CHECK_MODULES(XCB_KEYSYMS, [xcb-keysyms], [
      have_xcb_keysyms="yes"
      VLC_ADD_CFLAGS([globalhotkeys], [-DXCB_KEYSYM_OLD_API])
    ], [
      have_xcb_keysyms="no"
      need_xid_provider="yes"
      AC_MSG_WARN([libxcb-keysyms not found. Hotkeys will not be supported.])
    ])
  ])

  AS_IF([test "${have_xcb_keysyms}" = "yes"], [
    PKG_CHECK_MODULES(XPROTO, [xproto])
    VLC_ADD_PLUGIN([globalhotkeys])
    VLC_ADD_CFLAGS([globalhotkeys], [${XCB_KEYSYMS_CFLAGS} ${XCB_CFLAGS}])
    VLC_ADD_LIBS([globalhotkeys], [${XCB_KEYSYMS_LIBS} ${XCB_LIBS}])
    VLC_ADD_CFLAGS([xcb_window], [-DHAVE_XCB_KEYSYMS])
  ])
  VLC_ADD_PLUGIN([xdg_screensaver])
])

AC_ARG_ENABLE(glx,
  [  --enable-glx            X11 OpenGL (GLX) support (default enabled)],, [
  enable_glx="$enable_xcb"
])
AS_IF([test "${enable_glx}" != "no"], [
  PKG_CHECK_MODULES(XLIB_XCB, [x11-xcb])
  PKG_CHECK_MODULES(GL, [gl],, [
    AC_CHECK_HEADER([GL/gl.h], [
      GL_CFLAGS=""
      GL_LIBS="-lGL"
    ], [
      AC_MSG_ERROR([GLX (libGL) cannot be found. If you do not need OpenGL with X11, use --disable-glx.])
    ])
  ])
  VLC_ADD_PLUGIN([xcb_glx])
])
AC_SUBST([GL_CFLAGS])
AC_SUBST([GL_LIBS])

dnl
dnl  SDL module
dnl
AC_ARG_ENABLE(sdl,
  [  --enable-sdl            SDL support (default enabled)])
AC_ARG_ENABLE(sdl-image,
  [  --enable-sdl-image      SDL image support (default enabled)])
if test "${enable_sdl}" != "no"
then
   PKG_CHECK_MODULES(SDL, [sdl >= 1.2.10], [
      # SDL on Darwin is heavily patched and can only run SDL_image
      if test "${SYS}" != "darwin"; then
        VLC_ADD_PLUGIN([vout_sdl aout_sdl])
      fi
      if test "${SYS}" != "mingw32"; then
        VLC_ADD_LIBS([vout_sdl],[${X_LIBS} ${X_PRE_LIBS} -lX11])
      fi
      VLC_ADD_CFLAGS([vout_sdl aout_sdl],[${SDL_CFLAGS}])
      VLC_ADD_LIBS([vout_sdl aout_sdl],[${SDL_LIBS}])

      # SDL_image
      AS_IF([ test "${enable_sdl_image}" != "no"],[
        PKG_CHECK_MODULES(SDL_IMAGE, [SDL_image >= 1.2.10], [
          VLC_ADD_PLUGIN([sdl_image])
          VLC_ADD_LIBS([sdl_image],[${SDL_IMAGE_LIBS}])
          VLC_ADD_CFLAGS([sdl_image], [${SDL_IMAGE_CFLAGS}])],
          [ AC_MSG_WARN([The development package for SDL_image is not installed.
    You should install it alongside your SDL package.])
          ])
      ])
   ],[
     AC_MSG_WARN([The development package for SDL is not present or too old.
                  You need 1.2.10. Alternatively you can also configure with
                  --disable-sdl.])
   ])
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)])
AC_ARG_ENABLE(fontconfig,
  [  --enable-fontconfig     fontconfig support (default enabled)])
if test "${enable_freetype}" != "no"
then
   PKG_CHECK_MODULES(FREETYPE, freetype2,[
      VLC_ADD_PLUGIN([freetype])
      have_freetype=yes
      VLC_ADD_CPPFLAGS([freetype skins2],[${FREETYPE_CFLAGS}])
      if test "${SYS}" = "mingw32"; then
        VLC_ADD_LIBS([freetype],[-liconv -lz])
      fi
      VLC_ADD_LIBS([freetype skins2],[${FREETYPE_LIBS}])
      if test "${enable_fontconfig}" != "no"
      then
        AC_CHECK_HEADERS(fontconfig/fontconfig.h,
          [VLC_ADD_CPPFLAGS([freetype],[-DHAVE_FONTCONFIG])
           VLC_ADD_LIBS([freetype],[-lfontconfig])])
        AC_CHECK_HEADERS(Carbon/Carbon.h,
          [VLC_ADD_LDFLAGS([freetype],[-Wl,-framework,Carbon])])
      fi

     dnl fribidi support
      if test "${enable_fribidi}" != "no"
      then
        PKG_CHECK_MODULES(FRIBIDI, fribidi, [
          VLC_ADD_CPPFLAGS([freetype skins2], [${FRIBIDI_CFLAGS} -DHAVE_FRIBIDI])
          VLC_ADD_LIBS([freetype skins2], [${FRIBIDI_LIBS}])
        ])
      fi

  ],[
  have_freetype=no
  AS_IF([ test "${enable_freetype}" =  "yes"],[
    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
dnl  libxml2 module
dnl
PKG_ENABLE_MODULES_VLC([LIBXML2], [xml], [libxml-2.0 >= 2.5], [libxml2 support],[auto])

dnl
dnl  SVG module
dnl
PKG_ENABLE_MODULES_VLC([SVG], [], [librsvg-2.0 >= 2.9.0], [SVG rendering library],[auto])

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_PLUGIN([snapshot])
fi

dnl
dnl  iOS vout module
dnl
AC_ARG_ENABLE(ios-vout,
  [  --enable-ios-vout    iOS video output module (default disabled)])
if test "${enable_ios_vout}" = "yes"
then
  VLC_ADD_PLUGIN([vout_ios])
  VLC_ADD_LDFLAGS([vout_ios], [-Wl,-framework,OpenGLES,-framework,QuartzCore,-framework,UIKit,-framework,Foundation])
fi

dnl
dnl  QuartzText vout module (iOS/Mac OS)
dnl
AC_ARG_ENABLE(macosx-quartztext,
  [  --enable-macosx-quartztext   Mac OS X quartz text module (default enabled on Mac OS X)])
if test "x${enable_macosx_quartztext}" != "xno" &&
  (test "${SYS}" = "darwin" || test "${enable_macosx_quartztext}" = "yes")
then
  VLC_ADD_PLUGIN([quartztext])
  VLC_ADD_LDFLAGS([quartztext],[-Wl,-framework,ApplicationServices])
fi

dnl
dnl  Windows DirectX module
dnl

if test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"
then
  VLC_ADD_PLUGIN([panoramix])
fi

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"
  then
      AC_CHECK_HEADERS(ddraw.h,
      [ VLC_ADD_PLUGIN([directx aout_directx])
        VLC_ADD_LIBS([directx],[-lgdi32])
      ],[AC_MSG_ERROR([Cannot find DirectX headers!])]
      )
      AC_CHECK_HEADERS(GL/gl.h,
      [ VLC_ADD_PLUGIN([glwin32])
        VLC_ADD_LIBS([glwin32],[-lopengl32 -lgdi32])
      ])
      AC_CHECK_HEADERS(d3d9.h,
      [ VLC_ADD_PLUGIN([direct3d])
        VLC_ADD_LIBS([direct3d],[-lgdi32])
      ])
      VLC_ADD_LIBS([direct3d directx glwin32],[-lole32])
  fi
fi

dnl
dnl  Windows Direct2D plugin
dnl
AC_ARG_ENABLE(direct2d,
  [  --enable-direct2d         Win7/VistaPU Direct2D support (default auto on Win32)])
if test "${enable_direct2d}" != "no"; then
  if test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"
  then
    AC_CHECK_HEADERS(d2d1.h,
      [
        VLC_ADD_PLUGIN([direct2d])
        VLC_ADD_LIBS([direct2d],[-lgdi32 -lole32])
      ], [AC_MSG_WARN([Cannot find Direct2D headers!])]
    )
  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"; then
    VLC_ADD_PLUGIN([wingdi])
    VLC_ADD_LIBS([wingdi],[-lgdi32 -lole32])
  fi
  if test "${SYS}" = "mingwce"; then
    VLC_ADD_PLUGIN([wingdi wingapi])
    VLC_ADD_LIBS([wingdi],[-laygshell])
    VLC_ADD_LIBS([wingapi],[-laygshell])
  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_PLUGIN([fb])
      ])
    fi

dnl
dnl  DirectFB module
dnl  try to find using: 1 - given location; 2 - directfb-config; 3 - pkg-config
dnl  TODO: support for static linking
dnl
AC_ARG_ENABLE(directfb,
  [  --enable-directfb       DirectFB support (default disabled)])
AC_ARG_WITH(directfb,
  [  --with-directfb=PATH    path to DirectFB headers and libraries])

if test "${enable_directfb}" = "yes"; then
    have_directfb="false"
    CPPFLAGS_mydirectfb=
    LIBS_mydirectfb=
    if test "${with_directfb}" != "no" -a -n "${with_directfb}"; then
        dnl Trying the given location
        CPPFLAGS_save="${CPPFLAGS}"
        LIBS_save="${LIBS}"

        CPPFLAGS_new="-I${with_directfb}/include -D_REENTRANT -D_GNU_SOURCE"
        LIBS_new="-L${with_directfb}/lib/fusion/.libs/ -L${with_directfb}/lib/direct/.libs/"
        LIBS_new="${LIBS_new} -L${with_directfb}/src/.libs/"

        CPPFLAGS="${CPPFLAGS} ${CPPFLAGS_new}"
        LIBS="${LIBS} ${LIBS_new}"

        dnl FIXME: too obscure
        AC_CHECK_HEADER([directfb.h], [
            AC_CHECK_LIB([direct],[direct_initialize], [
                AC_CHECK_LIB([fusion], [fusion_enter], [
                    AC_CHECK_LIB([directfb], [DirectFBInit], have_directfb="true", have_directfb="false")
                ], have_directfb="false")
            ], have_directfb="false")
        ], have_directfb="false")

        dnl Restore flags
        CPPFLAGS="${CPPFLAGS_save}"
        LIBS="${LIBS_save}"

        if test "${have_directfb}" = "true"; then
            LIBS_mydirectfb="${LIBS_new} -lz $LIBDL -ldirectfb -lfusion -ldirect -lpthread"
            CPPFLAGS_mydirectfb="${CPPFLAGS_new}"
        fi
    else
        dnl Look for directfb-config
        AC_PATH_PROG(DIRECTFB_CONFIG, directfb-config, no, ${PATH})
        if test "${DIRECTFB_CONFIG}" != "no"; then
            CPPFLAGS_mydirectfb="`${DIRECTFB_CONFIG} --cflags`"
            LIBS_mydirectfb="`${DIRECTFB_CONFIG} --libs`"
            have_directfb="true"
        else
            dnl Trying with pkg-config
            PKG_CHECK_MODULES(DIRECTFB, directfb, [
                CPPFLAGS_mydirectfb="${DIRECTFB_CFLAGS}"
                LIBS_mydirectfb="${DIRECTFB_LIBS}"
                have_directfb="true"
                ], [have_directfb="false"])
        fi
    fi
    if test "${have_directfb}" = "true"; then
        VLC_ADD_PLUGIN([directfb])
        VLC_ADD_CPPFLAGS([directfb],[${CPPFLAGS_mydirectfb}])
        VLC_ADD_LIBS([directfb],[${LIBS_mydirectfb}])
    else
        AC_MSG_ERROR([cannot find directfb headers and/or libraries ])
    fi
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_PLUGIN([aa])
    VLC_ADD_LIBS([aa],[-laa])
    if test "${SYS}" != "mingw32"; then
      VLC_ADD_LIBS([aa],[${X_LIBS} ${X_PRE_LIBS} -lX11])
    fi
  fi
fi

dnl
dnl  libcaca plugin
dnl
PKG_ENABLE_MODULES_VLC([CACA], [], [caca >= 0.99.beta14], [libcaca output],[auto])

dnl
dnl  Audio plugins
dnl

EXTEND_HELP_STRING([Audio plugins:])

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

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

dnl
dnl  Pulseaudio module
dnl
PKG_ENABLE_MODULES_VLC([PULSE], [], [libpulse >= 0.9.22], [Pulseaudio support], [auto])

dnl
dnl  Portaudio module
dnl
PKG_ENABLE_MODULES_VLC([PORTAUDIO], [], [portaudio-2.0], [Portaudio library support], [auto])

dnl
dnl  ALSA module
dnl
AC_ARG_ENABLE(alsa,
  [  --enable-alsa           Advanced Linux Sound Architecture (default auto)])
have_alsa="no"
AS_IF([test "${enable_alsa}" != "no"], [
  PKG_CHECK_MODULES([ALSA], [alsa >= 1.0.0], [
    have_alsa="yes"
  ], [
    AS_IF([test "x${enable_alsa}" != "x"], [
      AC_MSG_ERROR([alsa-lib not found])
    ])
  ])
])
AM_CONDITIONAL([HAVE_ALSA], [test "${have_alsa}" = "yes"])

dnl
dnl  win32 waveOut plugin
dnl
AC_ARG_ENABLE(waveout,
  [  --enable-waveout        Win32 waveOut module (default enabled on Win32)])
if test "${enable_waveout}" != "no"; then
  if test "${SYS}" = "mingw32"; then
    VLC_ADD_PLUGIN([waveout])
    VLC_ADD_LIBS([waveout],[-lwinmm])
  fi
  if test "${SYS}" = "mingwce"; then
    VLC_ADD_PLUGIN([waveout])
  fi
fi

dnl
dnl  CoreAudio plugin
dnl
AC_ARG_ENABLE(macosx-audio,
  [  --enable-macosx-audio   Mac OS X audio module (default enabled on MacOS X)])
if test "x${enable_macosx_audio}" != "xno" &&
  (test "${SYS}" = "darwin" || test "${enable_macosx_audio}" = "yes")
then
  AC_CHECK_HEADERS(CoreAudio/CoreAudio.h,
    [ VLC_ADD_PLUGIN([auhal])
      VLC_ADD_LDFLAGS([auhal],[-Wl,-framework,CoreAudio,-framework,AudioUnit,-framework,AudioToolbox,-framework,Carbon])
    ], [ AC_MSG_ERROR([cannot find CoreAudio headers]) ])
fi

dnl
dnl  AudioQueue plugin
dnl
AC_ARG_ENABLE(audioqueue,
  [  --enable-audioqueue       AudioQueue audio module (default disabled)])
if test "${enable_audioqueue}" = "yes"
then
  VLC_ADD_PLUGIN([audioqueue])
  VLC_ADD_LDFLAGS([audioqueue], [-Wl,-framework,AudioToolbox,-framework,CoreFoundation])
fi

dnl
dnl  Roku HD1000 audio
dnl
AC_ARG_ENABLE(hd1000a,
  [  --enable-hd1000a        HD1000 audio module (default enabled on HD1000)])
if test "${enable_hd1000a}" != "no" -a "${CXX}" != "" &&
  (test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce" ||
   test "${enable_hd1000a}" = "yes")
then
  AC_LANG_PUSH([C++])
  AC_CHECK_HEADERS(deschutes/libraries/hdmachinex225/PCMAudioPlayer.h, [
    VLC_ADD_PLUGIN([hd1000a])
    AC_CHECK_LIB(HDMachineX225,main,VLC_ADD_LIBS([hd1000a],[-lHDMachineX225]))  ])
  AC_LANG_POP([C++])
fi

dnl
dnl  JACK modules
dnl
PKG_ENABLE_MODULES_VLC([JACK], [jack access_jack], [jack], [JACK audio I/O modules],[auto])

dnl
dnl UPnP Plugin (Intel SDK)
dnl
PKG_ENABLE_MODULES_VLC([UPNP], [upnp_intel], [libupnp], [Intel UPnp SDK],[auto])
VLC_ADD_CXXFLAGS([upnp_intel],[${UPNP_CFLAGS}])

dnl
dnl  Interface plugins
dnl

EXTEND_HELP_STRING([Interface plugins:])

dnl
dnl Skins2 module
dnl
AC_ARG_ENABLE(skins2,
  [AS_HELP_STRING([--enable-skins2],[Skins2 interface module (default
   enabled except on MacOSX, BeOS and WinCE)])])
if test "${enable_skins2}" != "no" ||
  (test "${SYS}" != "darwin" && test "${SYS}" != "beos" &&
   test "${SYS}" != "mingwce" && test "${enable_skins2}" == "yes"); then

  dnl test for the required libraries
  skins2_missing_lib="no"

  dnl freetype
  if test "${have_freetype}" != "yes"; then
    skins2_missing_lib="yes"
    if test "${enable_skins2}" = "yes"; then
      AC_MSG_ERROR([Could not find freetype (required for skins2)])
    fi
  fi

  if test "${skins2_missing_lib}" = "no" && (test "${SYS}" = "mingw32"); then
    VLC_ADD_PLUGIN([skins2])
    ALIASES="${ALIASES} svlc"
    VLC_ADD_CPPFLAGS([skins2],[-U_OFF_T_ -U_off_t -Imodules/gui/skins2 -DWIN32_SKINS])
    VLC_ADD_CXXFLAGS([skins2],[-O2 -fno-rtti])
    VLC_ADD_LIBS([skins2],[-loleaut32 -lwinspool -lwinmm -lshell32 -lctl3d32 -ladvapi32 -lwsock32 -lgdi32 -lcomdlg32 -lole32 -luuid -lcomctl32])

  else if test "${skins2_missing_lib}" = "no" && (test "${SYS}" = "darwin"); then
    VLC_ADD_PLUGIN([skins2])
    ALIASES="${ALIASES} svlc"
    VLC_ADD_CPPFLAGS([skins2],[-Imodules/gui/skins2 -DMACOSX_SKINS])
    VLC_ADD_CXXFLAGS([skins2],[-O2 -fno-rtti])
    VLC_ADD_LDFLAGS([skins2],[-Wl,-framework,Carbon])

  else if test "${skins2_missing_lib}" = "no"; then
    VLC_ADD_PLUGIN([skins2])
    ALIASES="${ALIASES} svlc"
    VLC_ADD_CPPFLAGS([skins2],[-Imodules/gui/skins2 ${X_CFLAGS} -DX11_SKINS])
    VLC_ADD_CXXFLAGS([skins2],[-O2 -fno-rtti])
    VLC_ADD_LIBS([skins2],[${X_LIBS} ${X_PRE_LIBS} -lXext -lXpm -lX11])
    need_xid_provider="no"
  fi fi fi
fi
AM_CONDITIONAL(BUILD_SKINS, [test "${enable_skins2}" = "yes" ||
	 (test "${SYS}" != "darwin" && test "${SYS}" != "beos" &&
	  test "${SYS}" != "mingwce" && test "${enable_skins2}" != "no")])

dnl
dnl Hildon UI
dnl
AC_ARG_ENABLE(hildon,
  [  --enable-hildon         Hildon touchscreen UI (default disabled)])
AS_IF([test "${enable_hildon}" = "yes"], [
  PKG_CHECK_MODULES(HILDON, [hildon-1], [
    PKG_CHECK_MODULES(HILDON_FM, hildon-fm-2, [
      VLC_ADD_CFLAGS([hildon],[${HILDON_FM_CFLAGS} -DHAVE_HILDON_FM])
      VLC_ADD_LIBS([hildon],[${HILDON_FM_LIBS}])
    ], [
      AC_MSG_WARN(hildon-fm-2 not found)
    ])
    VLC_ADD_CFLAGS([hildon],[${HILDON_CFLAGS} ${X_CFLAGS}])
    VLC_ADD_LIBS([hildon],[${HILDON_LIBS} ${X_LIBS} ${X_PRE_LIBS} -lX11])
    VLC_ADD_PLUGIN([hildon])
    ALIASES="${ALIASES} mvlc"
    need_xid_provider="no"
  ], [
    AS_IF([test "${enable_hildon}" = "yes"],[
      AC_MSG_ERROR([Hildon libraries not found])
    ])
    enable_hildon="no"
  ])
])
AM_CONDITIONAL(BUILD_HILDON, [test "${enable_hildon}" = "yes"])

dnl
dnl QT 4
dnl
AC_ARG_ENABLE(qt4,
  [  --enable-qt4            Qt 4 support (default enabled) ],, [
  AS_IF([test "${SYS}" = "darwin"], [enable_qt4=no])
])
AS_IF([test "${enable_qt4}" != "no"], [
  PKG_CHECK_MODULES(QT4, [QtCore QtGui >= 4.4.0], [
    VLC_ADD_PLUGIN([qt4])
    VLC_ADD_LIBS([qt4],[${QT4_LIBS}])
    VLC_ADD_CXXFLAGS([qt4],[${QT4_CFLAGS}])
    ALIASES="${ALIASES} qvlc"

    AC_LANG_PUSH([C++])
    CPPFLAGS_save="${CPPFLAGS}"

    AC_MSG_CHECKING([whether Qt uses X11])
    CPPFLAGS="${CPPFLAGS} ${QT4_CFLAGS}"
    AC_PREPROC_IFELSE([
#include <QWidget>
#if !defined (Q_WS_X11)
# error Fail
#endif
    ], [
      AC_MSG_RESULT([yes])
      VLC_ADD_LIBS([qt4],[${X_LIBS} ${X_PRE_LIBS} -lX11])
      need_xid_provider="no"
      VLC_ADD_CXXFLAGS([qt4],[${X_CFLAGS}])
    ], [
      AC_MSG_RESULT([no])
    ])

    CPPFLAGS="${CPPFLAGS_save}"
    AC_LANG_POP([C++])

    AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "mingwce"], [
        VLC_ADD_LIBS([qt4],[-lole32])
    ])
    AC_PATH_PROGS(MOC, [moc-qt4 moc], moc,`eval $PKG_CONFIG --variable=exec_prefix QtCore`/bin)
    AC_PATH_PROG(RCC, rcc, rcc,`eval $PKG_CONFIG --variable=exec_prefix QtCore`/bin)
    AC_PATH_PROGS(UIC, [uic-qt4 uic], uic,`eval $PKG_CONFIG --variable=exec_prefix QtCore`/bin)
  ], [
    AS_IF([test "${enable_qt4}" = "yes"],[
      AC_MSG_ERROR([Qt 4 library not found])
    ],[
      AC_MSG_WARN([Qt 4 library not found])
    ])
    enable_qt4="no"
  ])
])
AM_CONDITIONAL(ENABLE_QT4, [test "x$enable_qt4" != "xno"])

dnl
dnl Simple test for skins2 dependency
dnl
AS_IF([test "${enable_skins2}" != "no" && test "x$enable_qt4" = "xno"], [
  AC_MSG_ERROR([The skins2 module depends on a the Qt4 development package. Without it you won't be able to open any dialog box from the interface, which makes the skins2 interface rather useless. Install the Qt4 development package or alternatively you can also configure with: --disable-qt4 --disable-skins2.])
])

dnl
dnl  MacOS X video output/gui modules
dnl
AC_ARG_ENABLE(macosx,
  [  --enable-macosx         Mac OS X gui support (default enabled on Mac OS X)])
if test "x${enable_macosx}" = "xyes"
then
  VLC_ADD_LDFLAGS([macosx minimal_macosx],[-Wl,-framework,Cocoa])
  VLC_ADD_LDFLAGS([macosx minimal_macosx],[-Wl,-framework,OpenGL])
  VLC_ADD_LDFLAGS([macosx minimal_macosx],            [-Wl,-framework,Carbon])
  VLC_ADD_LDFLAGS([macosx minimal_macosx],            [-Wl,-framework,CoreServices])
  VLC_ADD_LDFLAGS([macosx minimal_macosx],            [-Wl,-framework,AGL])
  VLC_ADD_LDFLAGS([macosx],                           [-Wl,-framework,IOKit])
  VLC_ADD_LDFLAGS([macosx],                           [-F${CONTRIB_DIR}/Sparkle -Wl,-framework,Sparkle])
  VLC_ADD_OBJCFLAGS([macosx],                         [-F${CONTRIB_DIR}/Sparkle])
  dnl For bug report
  VLC_ADD_LDFLAGS([macosx],                           [-Wl,-framework,AddressBook])
  VLC_ADD_LDFLAGS([macosx],                           [-Wl,-framework,WebKit])
  VLC_ADD_OBJCFLAGS([macosx minimal_macosx], [-fobjc-exceptions] )

  VLC_ADD_PLUGIN([macosx minimal_macosx])
fi

dnl
dnl  MacOS X related modules
dnl

AC_ARG_ENABLE(macosx-vout,
  [  --enable-macosx-vout    Mac OS X video output module (default enabled on Mac OS X)])
if test "x${enable_macosx_vout}" != "xno" &&
  (test "${SYS}" = "darwin" || test "${enable_macosx_vout}" = "yes")
then
  VLC_ADD_LDFLAGS([vout_macosx],[-Wl,-framework,Cocoa])
  VLC_ADD_LDFLAGS([vout_macosx],[-Wl,-framework,OpenGL])
  VLC_ADD_PLUGIN([vout_macosx])
fi

AC_ARG_ENABLE(macosx-dialog-provider,
  [  --enable-macosx-dialog-provider Mac OS X dialog module (default enabled on Mac OS X)])
if test "x${enable_macosx_dialog_provider}" != "xno" &&
  (test "${SYS}" = "darwin" || test "${enable_macosx_dialog_provider}" = "yes")
then
  VLC_ADD_LDFLAGS([macosx_dialog_provider],[-Wl,-framework,Cocoa])
  VLC_ADD_PLUGIN([macosx_dialog_provider])
fi

AC_ARG_ENABLE(macosx-qtcapture,
  [  --enable-macosx-qtcapture Mac OS X qtcapture (iSight) module (default enabled on Mac OS X)])
if test "x${enable_macosx_qtcapture}" != "xno" &&
  (test "${SYS}" = "darwin" || test "${enable_macosx_qtcapture}" = "yes")
then
  VLC_ADD_LDFLAGS([qtcapture], [-Wl,-framework,Cocoa])
  VLC_ADD_LDFLAGS([qtcapture], [-Wl,-framework,QTKit])
  VLC_ADD_LDFLAGS([qtcapture], [-Wl,-framework,CoreAudio])
  VLC_ADD_LDFLAGS([qtcapture], [-Wl,-framework,QuartzCore])
  VLC_ADD_LDFLAGS([qtcapture], [-Wl,-framework,CoreVideo])
  VLC_ADD_PLUGIN([qtcapture])
fi

AC_ARG_ENABLE(macosx-eyetv,
  [  --enable-macosx-eyetv   Mac OS X EyeTV (TNT Tuner) module (default enabled on Mac OS X)])
if test "x${enable_macosx_eyetv}" != "xno" &&
  (test "${SYS}" = "darwin" || test "${enable_macosx_eyetv}" = "yes")
then
  VLC_ADD_LDFLAGS([access_eyetv], [-Wl,-framework,Foundation])
  VLC_ADD_PLUGIN([access_eyetv])
fi

AC_ARG_ENABLE(macosx-vlc-app,
  [  --enable-macosx-vlc-app build the VLC media player (default enabled on Mac OS X)])
AM_CONDITIONAL(BUILD_MACOSX_VLC_APP, [test "${enable_macosx_vlc_app}" != "no" &&
    (test "${SYS}" = "darwin" || test "${enable_macosx_vlc_app}" = "yes") ])


dnl
dnl  ncurses module
dnl
AC_ARG_ENABLE(ncurses,
  [  --disable-ncurses       ncurses interface support (default disabled)],
  [if test "${enable_ncurses}" != "no"; then
    AC_CHECK_HEADER(ncurses.h,
      [AC_CHECK_LIB(ncursesw, mvprintw,
        [VLC_ADD_PLUGIN([ncurses])
        VLC_ADD_LIBS([ncurses],[-lncursesw])
        ALIASES="${ALIASES} nvlc"
        AC_CHECK_LIB(ncursesw, tgetent, [],
          AC_CHECK_LIB(tinfow, tgetent, [VLC_ADD_LIBS([ncurses],[-ltinfow])],
            [AC_CHECK_LIB(tinfo, tgetent, [VLC_ADD_LIBS([ncurses],[-ltinfo])],
              [AS_IF([test "${enable_ncurses}" = "yes"],
                [AC_MSG_ERROR([tgetent not found in ncursesw tinfow tinfo]
               )])])
            ]
          )
        )
        ],
          [AS_IF([test "${enable_ncurses}" = "yes"], [
            AC_MSG_ERROR([libncursesw not found])])]
        )],
        [AS_IF([test "${enable_ncurses}" = "yes"], [
          AC_MSG_ERROR([ncurses.h not found])])]
        )
  fi]
)

dnl
dnl  XOSD plugin
dnl
AC_ARG_ENABLE(xosd,
  [  --enable-xosd           xosd interface support (default disabled)])
if test "${enable_xosd}" = "yes"
then
  AC_CHECK_HEADERS(xosd.h,
    AC_CHECK_LIB(xosd, xosd_set_horizontal_offset, [
      VLC_ADD_PLUGIN([xosd])
      VLC_ADD_LIBS([xosd],[-lxosd])
    ])
  )
fi

dnl
dnl Framebuffer (overlay) plugin
dnl
AC_ARG_ENABLE(fbosd,
  [  --enable-fbosd          fbosd interface support (default disabled)])
if test "${enable_fbosd}" = "yes"
then
  AC_CHECK_HEADERS(linux/fb.h, [
    VLC_ADD_PLUGIN([fbosd])
 ])
fi

dnl
dnl Post-interface configuration checks
dnl
AS_IF([test "$need_xid_provider" = "yes"], [
  AC_MSG_ERROR([X11 video outputs need a window provider (Qt4, Skins2, Hildon or xcb-utils), but none were found. Please install xcb-keysyms.])
])

dnl
dnl Visualisation plugin
dnl
AC_ARG_ENABLE(visual,
  [  --enable-visual         visualisation plugin (default enabled)])
if test "${enable_visual}" != "no"
then
    VLC_ADD_PLUGIN([visual])
fi

dnl
dnl  goom visualization plugin
dnl
PKG_ENABLE_MODULES_VLC([GOOM], [], [libgoom2], [goom visualization plugin], [auto])

dnl
dnl libprojectM visualization plugin
dnl
AC_ARG_ENABLE(projectm,
  [  --enable-projectm          projectM visualization plugin (default enabled)])
AS_IF([test "${enable_projectm}" != "no"],
  [
    PKG_CHECK_MODULES(PROJECTM, libprojectM,
    [
      VLC_ADD_PLUGIN([projectm])
      VLC_ADD_CXXFLAGS([projectm],[$PROJECTM_CFLAGS])
      VLC_ADD_LIBS([projectm],[$PROJECTM_LIBS])
      PKG_CHECK_MODULES(PROJECTM2, [libprojectM >= 2.0.0],
        [ AC_DEFINE([HAVE_PROJECTM2], 1, [Define to 1 if using libprojectM 2.x]) ],
        [ AC_MSG_WARN( [Using libprojectM version 1] )
      ])
    ],[
      AC_MSG_WARN([libprojectM library not found])
    ])
  ])

dnl
dnl  AtmoLight (homemade Philips Ambilight clone)
dnl
AC_ARG_ENABLE(atmo,
AS_HELP_STRING([--disable-atmo],[AtmoLight (homemade Philips Ambilight clone)
                (default enabled)]),, [enable_atmo="yes"])
AS_IF([test "${enable_atmo}" != no], [
  AS_IF([test "${SYS}" = "mingw32" -o "${SYS}" = "linux"], [
    AC_LANG_PUSH(C++)
    VLC_ADD_PLUGIN([atmo])
    AC_LANG_POP(C++)
  ])
])