configure.ac

    AC_MSG_WARN([${XPROTO_PKG_ERRORS}. Hotkeys and XWD will not work.])
  ])

  AS_IF([test "${enable_glx}" != "no"], [
    AS_IF([test "${have_gl}" != "yes"], [
      AC_MSG_ERROR([${GL_PKG_ERRORS}. Pass --disable-glx if you do not need OpenGL X11 support.])
    ])
    VLC_ADD_PLUGIN([xcb_glx])
    VLC_ADD_PLUGIN([glx])
    VLC_ADD_PLUGIN([gl])
  ])
])
AM_CONDITIONAL([HAVE_XCB], [test "${have_xcb}" = "yes"])


dnl
dnl VDPAU needs X11 and avcodec
dnl
AC_ARG_ENABLE(vdpau,
  [AS_HELP_STRING([--enable-vdpau],
    [VDPAU hardware decoder support (default auto)])])
have_vdpau="no"
AS_IF([test "${enable_vdpau}" != "no" -a "${have_avcodec}" == "yes"], [
  PKG_CHECK_MODULES([VDPAU], [vdpau], [
    have_vdpau="yes"
    AS_IF([test "${no_x}" = "yes"], [
      AC_MSG_ERROR([VDPAU requires Xlib (X11).])
    ])
    AC_MSG_NOTICE([VDPAU acceleration activated])
  ], [
    AS_IF([test -n "${enable_vdpau}"], [
      AC_MSG_ERROR([${VDPAU_PKG_ERRORS}.])
    ])
  ])
])
dnl AM_CONDITIONAL([HAVE_VDPAU], [test "${have_vdpau}" = "yes"])

have_avcodec_vdpau="no"
AS_IF([test "${have_vdpau}" = "yes"], [
  PKG_CHECK_EXISTS([libavutil >= 0.52.4 libavcodec >= 54.36.0], [
    have_avcodec_vdpau="yes"
  ], [
    AS_IF([test -n "${enable_vdpau}"], [
      AC_MSG_ERROR([libavutil >= 0.52.4 and libavcodec >= 54.36.0 are required for VDPAU decoding.])
    ], [
      AC_MSG_WARN([libavutil >= 0.52.4 and libavcodec >= 54.36.0 are required for VDPAU decoding.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_AVCODEC_VDPAU], [test "${have_avcodec_vdpau}" = "yes"])


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])
      fi
      if test "${SYS}" != "mingw32" -a "${SYS}" != "os2"; then
        VLC_ADD_LIBS([vout_sdl],[${X_LIBS} ${X_PRE_LIBS} -lX11])
      fi
      VLC_ADD_CFLAGS([vout_sdl],[${SDL_CFLAGS}])
      VLC_ADD_LIBS([vout_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], [${SDL_IMAGE_CFLAGS}])],
          [ AC_MSG_WARN([${SDL_IMAGE_PKG_ERRORS}. You should install it alongside your SDL package.])
          ])
      ])
   ],[
     AC_MSG_WARN([${SDL_PKG_ERRORS}.])
   ])
fi


dnl
dnl Mac Vout
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_LIBS([vout_macosx],[-Wl,-framework,Cocoa])
  VLC_ADD_LIBS([vout_macosx],[-Wl,-framework,OpenGL])
  VLC_ADD_PLUGIN([vout_macosx])
fi


dnl
dnl  freetype module
dnl
AC_ARG_ENABLE(freetype,
  [  --enable-freetype       freetype support   (default auto)])
AC_ARG_ENABLE(fribidi,
  [  --enable-fribidi        fribidi support    (default auto)])
AC_ARG_ENABLE(fontconfig,
  [  --enable-fontconfig     fontconfig support (default auto)])

AC_ARG_WITH([default-font],
    AS_HELP_STRING([--with-default-font=PATH],
        [Path to the default font]),
        [AC_DEFINE_UNQUOTED([DEFAULT_FONT_FILE],
            "$withval", [Default font])])
AC_ARG_WITH([default-monospace-font],
    AS_HELP_STRING([--with-default-monospace-font=PATH],
        [Path to the default font]),
        [AC_DEFINE_UNQUOTED([DEFAULT_MONOSPACE_FONT_FILE],
            "$withval", [Default monospace font])])

AC_ARG_WITH([default-font-family],
    AS_HELP_STRING([--with-default-font-family=NAME],
        [Path to the default font family]),
        [AC_DEFINE_UNQUOTED([DEFAULT_FAMILY],
            "$withval", [Default font family])])
AC_ARG_WITH([default-monospace-font-family],
    AS_HELP_STRING([--with-default-monospace-font-family=NAME],
        [Path to the default font family]),
        [AC_DEFINE_UNQUOTED([DEFAULT_MONOSPACE_FAMILY],
            "$withval", [Default monospace font family])])

if test "${enable_freetype}" != "no"; then
   PKG_CHECK_MODULES(FREETYPE, freetype2, [
      have_freetype=yes
      VLC_ADD_PLUGIN([freetype])
      VLC_ADD_CPPFLAGS([freetype skins2],[${FREETYPE_CFLAGS}])
      if test "${SYS}" = "mingw32"; then
        VLC_ADD_LIBS([freetype],[-liconv -lz])
      fi
      VLC_ADD_LIBS([freetype skins2],[${FREETYPE_LIBS}])

      AC_CHECK_HEADERS(Carbon/Carbon.h,
                       [VLC_ADD_LIBS([freetype],[-Wl,-framework,Carbon])])

      dnl fontconfig support
      if test "${SYS}" != "mingw32"; then
          if test "${enable_fontconfig}" != "no"; then
            AC_CHECK_HEADERS(fontconfig/fontconfig.h, [
              VLC_ADD_CPPFLAGS([freetype],[-DHAVE_FONTCONFIG])
              VLC_ADD_LIBS([freetype],[-lfontconfig])
            ],[AC_MSG_WARN([library fontconfig not found. Styles will be disabled in freetype])])
          fi
      else
          VLC_ADD_LIBS([freetype],[-lgdi32])
      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], [${FRIBIDI_LIBS}])
        ],[AC_MSG_WARN([${FRIBIDI_PKG_ERRORS}. Bidirectional support will be disabled in FreeType.])])
      fi

  ],[
  have_freetype=no
  AS_IF([test -n "${enable_freetype}"],[
    AC_MSG_ERROR([${FREETYPE_PKG_ERRORS}. Install FreeType2 development or configure with --disable-freetype.])
    ])
  ])
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_LIBS([quartztext],[-Wl,-framework,ApplicationServices])
fi

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

dnl
dnl  android surface module
dnl
AC_ARG_ENABLE(android-surface,
  [  --enable-android-surface   Android Surface video output module (default disabled)])
if test "${enable_android_surface}" = "yes"; then
  if test "${HAVE_ANDROID}" = "1"; then
     VLC_ADD_PLUGIN([android_surface])
     VLC_ADD_LDFLAGS([android_surface], [-ldl])
  fi
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_LIBS([vout_ios], [-Wl,-framework,OpenGLES,-framework,QuartzCore,-framework,UIKit,-framework,Foundation])
fi

dnl
dnl  iOS ES2 vout module
dnl
AC_ARG_ENABLE(ios-vout2,
  [  --enable-ios-vout2    iOS video output module (default disabled)])
if test "${enable_ios_vout2}" = "yes"
then
  VLC_ADD_PLUGIN([vout_ios2])
  VLC_ADD_LIBS([vout_ios2], [-Wl,-framework,OpenGLES,-framework,QuartzCore,-framework,UIKit])
fi


dnl
dnl  Windows DirectX module
dnl

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

AC_ARG_ENABLE(directx,
  [AS_HELP_STRING([--enable-directx],
    [Microsoft DirectX support (default enabled on Windows)])],, [
  AS_IF([test "${SYS}" = "mingw32"], [
    enable_directx="yes"
  ], [
    enable_directx="no"
  ])
])
have_directx="no"
AS_IF([test "${enable_directx}" != "no"], [
  dnl DirectDraw
  AC_CHECK_HEADERS(ddraw.h, [
    have_directx="yes"
  ], [
    AC_MSG_ERROR([Cannot find DirectX headers!])
  ])

  dnl OpenGL
  AC_CHECK_HEADERS(GL/wglew.h, [
    VLC_ADD_PLUGIN([glwin32])
  ],, [
    #include <windows.h>
    #include <GL/gl.h>
  ])

  dnl Direct3D
  AC_CHECK_HEADERS(d3d9.h, [
    VLC_ADD_PLUGIN([direct3d])
  ])

  dnl Direct2D
  AC_CHECK_HEADERS(d2d1.h, [
    VLC_ADD_PLUGIN([direct2d])
  ])
])
AM_CONDITIONAL([HAVE_DIRECTX], [test "$have_directx" = "yes"])

dnl
dnl  Linux framebuffer module
dnl
AC_CHECK_HEADER([linux/fb.h], [
  VLC_ADD_PLUGIN([fb])
])


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
        VLC_SAVE_FLAGS

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

        VLC_RESTORE_FLAGS

        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],[${LIBS_mydirectfb}])
    else
        AC_MSG_ERROR([${DIRECTFB_PKG_ERRORS}.])
    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  OS/2 KVA plugin
dnl
AC_ARG_ENABLE(kva,
  [AS_HELP_STRING([--enable-kva],
    [support the K Video Accelerator KVA (default enabled on OS/2)])],, [
  AS_IF([test "$SYS" = "os2"], [
    enable_kva="yes"
  ])
])
have_kva="no"
KVA_LIBS=""
AS_IF([test "$enable_kva" != "no"], [
  AC_CHECK_HEADERS([kva.h], [
    have_kva="yes"
    AC_CHECK_LIB(kva, main, [
      KVA_LIBS="-lkva"
    ])
  ])
])
AC_SUBST(KVA_LIBS)
AM_CONDITIONAL([HAVE_KVA], [test "${have_kva}" = "yes"])

dnl
dnl  Audio plugins
dnl

EXTEND_HELP_STRING([Audio plugins:])

dnl
dnl  Pulseaudio module
dnl
AC_ARG_ENABLE(pulse,
  [AS_HELP_STRING([--enable-pulse],
    [use the PulseAudio client library (default auto)])])
have_pulse="no"
AS_IF([test "${enable_pulse}" != "no"], [
  PKG_CHECK_MODULES([PULSE], [libpulse >= 0.9.22], [
    have_pulse="yes"
  ], [
    PKG_CHECK_MODULES([PULSE], [libpulse >= 0.9.16], [
      AS_IF([test "${no_x}" != "yes"], [
        have_pulse="yes"
        PULSE_LIBS="$PULSE_LIBS ${X_LIBS} ${X_PRE_LIBS} -lX11"
      ], [
        AS_IF([test "${enable_pulse}" = "yes"], [
          AC_MSG_ERROR([Xlib is required with PulseAudio pre-0.9.22 versions
(see http://www.pulseaudio.org/ticket/799 for further reference).])
        ])
      ])
    ], [
      AS_IF([test "x${enable_pulse}" != "x"], [
        AC_MSG_ERROR([$PULSE_PKG_ERRORS. PulseAudio 0.9.22 or later required.])
      ])
    ])
  ])
])
AM_CONDITIONAL([HAVE_PULSE], [test "${have_pulse}" = "yes"])

dnl
dnl  ALSA module
dnl
AC_ARG_ENABLE(alsa,
  [AS_HELP_STRING([--enable-alsa],
    [support the Advanced Linux Sound Architecture (default auto)])],, [
  AS_IF([test "$SYS" = "linux" -a "${have_pulse}" = "no"], [
    enable_alsa="yes"
  ])
])
have_alsa="no"
AS_IF([test "${enable_alsa}" != "no"], [
  PKG_CHECK_MODULES([ALSA], [alsa >= 1.0.24], [
    have_alsa="yes"
  ], [
    AS_IF([test "x${enable_alsa}" != "x"], [
      AC_MSG_ERROR([$ALSA_PKG_ERRORS. alsa-lib 1.0.24 or later required.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_ALSA], [test "${have_alsa}" = "yes"])

dnl
dnl  Open Sound System module
dnl
AC_ARG_ENABLE(oss,
  [AS_HELP_STRING([--enable-oss],
    [support the Open Sound System OSS (default enabled on FreeBSD/NetBSD/DragonFlyBSD)])],, [
  AS_IF([test "$SYS" = "mingw32" -o "$SYS" = "linux" -o "$SYS" = "openbsd"], [
    enable_oss="no"
  ])
])
have_oss="no"
OSS_LIBS=""
AS_IF([test "$enable_oss" != "no"], [
  AC_CHECK_HEADERS([soundcard.h sys/soundcard.h], [
    have_oss="yes"
    AC_CHECK_LIB(ossaudio, main, [
      OSS_LIBS="-lossaudio"
    ])
  ])
])
AC_SUBST(OSS_LIBS)
AM_CONDITIONAL([HAVE_OSS], [test "${have_oss}" = "yes"])

dnl
dnl  OpenBSD sndio module
dnl
AC_ARG_ENABLE([sndio],
  [AS_HELP_STRING([--disable-sndio],
    [support the OpenBSD sndio (default auto)])],, [
  AS_IF([test "$SYS" = "openbsd"], [
    enable_sndio="yes"
  ])
])
have_sndio="no"
AS_IF([test "$enable_sndio" != "no"], [
  AC_CHECK_HEADER([sndio.h], [
    have_sndio="yes"
  ])
])
AM_CONDITIONAL([HAVE_SNDIO], [test "${have_sndio}" = "yes"])

dnl
dnl  Windows Audio Session plugin
dnl
AC_ARG_ENABLE([wasapi],
  [AS_HELP_STRING([--enable-wasapi],
    [use the Windows Audio Session API (default auto)])
])
have_wasapi="no"
AS_IF([test "$enable_wasapi" != "no"], [
  AC_CHECK_HEADER([audioclient.h], [
    have_wasapi="yes"
  ], [
    AS_IF([test "x${enable_wasapi}" != "x"], [
      AC_MSG_ERROR([Windows Audio Session API not found.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_WASAPI], [test "${have_wasapi}" = "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
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_LIBS([auhal],[-Wl,-framework,CoreAudio,-framework,AudioUnit,-framework,AudioToolbox,-framework,CoreServices])
    ], [ AC_MSG_ERROR([cannot find CoreAudio headers]) ])
fi

dnl
dnl  iOS CoreAudio plugin
dnl
AC_ARG_ENABLE(ios-audio,
  [  --enable-ios-audio       Audio module for iOS (default disabled)])
if test "${enable_ios_audio}" = "yes"
then
  AC_CHECK_HEADERS(AudioUnit/AudioUnit.h,
    [ VLC_ADD_PLUGIN([audiounit_ios])
      VLC_ADD_LIBS([audiounit_ios],[-Wl,-framework,CoreAudio,-framework,AudioUnit,-framework,AudioToolbox,-framework,CoreServices])
    ], [ AC_MSG_ERROR([cannot find AudioUnit 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_LIBS([audioqueue], [-Wl,-framework,AudioToolbox,-framework,CoreFoundation])
fi

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

dnl
dnl  OpenSLES Android
dnl
AC_ARG_ENABLE(opensles,
  [  --enable-opensles       Android OpenSL ES audio module (default disabled)])
if test "${HAVE_ANDROID}" = "1"; then
  if test "${enable_opensles}" = "yes"; then
      AC_CHECK_HEADERS(SLES/OpenSLES.h,
        [ VLC_ADD_PLUGIN([opensles_android]) ],
        [ AC_MSG_ERROR([cannot find OpenSLES headers])] )
  fi
fi

dnl
dnl libsamplerate plugin
dnl
PKG_ENABLE_MODULES_VLC([SAMPLERATE], [], [samplerate], [Resampler with libsamplerate], [auto])

dnl
dnl  OS/2 KAI plugin
dnl
AC_ARG_ENABLE(kai,
  [AS_HELP_STRING([--enable-kai],
    [support the K Audio Interface KAI (default enabled on OS/2)])],, [
  AS_IF([test "$SYS" = "os2"], [
    enable_kai="yes"
  ])
])
have_kai="no"
KAI_LIBS=""
AS_IF([test "$enable_kai" != "no"], [
  AC_CHECK_HEADERS([kai.h], [
    have_kai="yes"
    AC_CHECK_LIB(kai, main, [
      KAI_LIBS="-lkai"
    ])
  ])
])
AC_SUBST(KAI_LIBS)
AM_CONDITIONAL([HAVE_KAI], [test "${have_kai}" = "yes"])

dnl
dnl  Interface plugins
dnl

EXTEND_HELP_STRING([Interface plugins:])

dnl
dnl QT
dnl
AC_ARG_ENABLE(qt, [
  AS_HELP_STRING([--disable-qt], [Qt UI support (default enabled)])],, [
  AS_IF([test "${SYS}" = "darwin"], [
    enable_qt="no"
  ])
])
AS_IF([test "${enable_qt}" != "no"], [
  PKG_CHECK_MODULES([QT], [QtCore >= 5 QtWidgets QtGui],, [
    PKG_CHECK_MODULES([QT], [QtCore QtGui >= 4.6.0],, [
      AS_IF([test -n "${enable_qt}"],[
        AC_MSG_ERROR([${QT_PKG_ERRORS}.])
      ],[
        AC_MSG_WARN([${QT_PKG_ERRORS}.])
      ])
      enable_qt="no"
    ])
  ])
])
AS_IF([test "${enable_qt}" != "no"], [
  VLC_ADD_PLUGIN([qt4])
  VLC_ADD_LIBS([qt4],[${QT_LIBS}])
  VLC_ADD_CXXFLAGS([qt4],[${QT_CFLAGS}])
  ALIASES="${ALIASES} qvlc"

  AC_LANG_PUSH([C++])
  VLC_SAVE_FLAGS

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

  VLC_RESTORE_FLAGS
  AC_LANG_POP([C++])

  AS_IF([test "${SYS}" = "mingw32"], [
      VLC_ADD_LIBS([qt4],[-lole32])
  ])
  AS_IF([test "${SYS}" = "darwin" ],[
       VLC_ADD_LIBS([qt4], [-Wl,-framework,Cocoa])
  ])

  QT_PATH="$(eval $PKG_CONFIG --variable=exec_prefix QtCore)"
  AC_PATH_PROGS(MOC, [moc-qt4 moc], moc, [${QT_PATH}/bin ${CONTRIB_DIR}/bin])
  AC_PATH_PROG(RCC, rcc, rcc, [${QT_PATH}/bin ${CONTRIB_DIR}/bin])
  AC_PATH_PROGS(UIC, [uic-qt4 uic], uic, [${QT_PATH}/bin ${CONTRIB_DIR}/bin])
])
AM_CONDITIONAL(ENABLE_QT4, [test "$enable_qt" != "no"])

dnl
dnl Simple test for skins2 dependency
dnl
AS_IF([test "$enable_qt" = "no"], [
  AS_IF([test "${enable_skins2}" = "yes"], [
    AC_MSG_ERROR([The skins2 module depends on the Qt4 interface. Without it you will not 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.])
  ], [
    enable_skins2="no"
    AC_MSG_WARN([The skins2 module depends on the Qt4 interface, Qt4 is not built so skins2 is disabled.])
  ])
])

dnl
dnl Skins2 module
dnl
AC_ARG_ENABLE(skins2,
  [AS_HELP_STRING([--enable-skins2], [skins interface module (default auto)])])
AS_IF([test "${enable_skins2}" != "no"], [
  have_skins_deps="yes"

  dnl Win32
  AS_IF([test "${SYS}" = "mingw32"], [
    VLC_ADD_CPPFLAGS([skins2],[-U_OFF_T_ -U_off_t -DWIN32_SKINS])
    VLC_ADD_LIBS([skins2],[-lgdi32 -lole32 -luuid -lmsimg32])
  dnl MacOS
  ], [test "${SYS}" = "darwin"], [
    VLC_ADD_CPPFLAGS([skins2],[ -DMACOSX_SKINS])
    VLC_ADD_LIBS([skins2],[-Wl,-framework,Carbon])
  dnl Linux/Unix
  ], [
    PKG_CHECK_MODULES([XPM], [xpm],, [have_skins_deps="no"])
    PKG_CHECK_MODULES([XINERAMA], [xinerama],, [have_skins_deps="no"])
    PKG_CHECK_MODULES([XEXT], [xext],, [have_skins_deps="no"])
    VLC_ADD_CPPFLAGS([skins2],[${X_CFLAGS} ${XEXT_CFLAGS} ${XPM_CFLAGS} -DX11_SKINS])
    VLC_ADD_LIBS([skins2],[${X_LIBS} ${X_PRE_LIBS} ${XEXT_LIBS} ${XPM_LIBS} ${XINERAMA_LIBS} -lX11])
  ])

  dnl for All OSes
  VLC_ADD_CXXFLAGS([skins2],[-O2 -fno-rtti])

  dnl we need freetype
  AS_IF([test "${have_freetype}" != "yes"], [
    have_skins_deps="no"
  ])

  AS_IF([test "${have_skins_deps}" = "no"], [
    AS_IF([test "x${enable_skins2}" = "x"], [
      AC_MSG_WARN([Skins2 interface disabled due to missing dependencies.])
    ], [
      AC_MSG_ERROR([Skins2 interface requires FreeType, libxpm, libxext and libxinerama])
    ])
    enable_skins2="no"
  ], [
    VLC_ADD_PLUGIN([skins2])
    ALIASES="${ALIASES} svlc"
    enable_skins2="yes"
  ])
])
AM_CONDITIONAL(BUILD_SKINS, [test "${enable_skins2}" = "yes"])

AC_ARG_ENABLE(libtar,
  [  --enable-libtar         libtar support for skins2 (default auto)])
AS_IF([test "${enable_skins2}" = "yes" && test "${enable_libtar}" != "no"], [
  AC_CHECK_HEADERS(libtar.h, [
    VLC_ADD_LIBS([skins2],[-ltar])
  ])
])

dnl
dnl  MacOS X gui module
dnl
AC_ARG_ENABLE(macosx,
  [  --enable-macosx         Mac OS X gui support (default enabled on Mac OS X)])
if test "x${enable_macosx}" != "xno" -a "${SYS}" = "darwin"
then
  VLC_ADD_LIBS([macosx], [-Wl,-framework,Cocoa -Wl,-framework,Carbon -Wl,-framework,CoreServices])
  VLC_ADD_OBJCFLAGS([macosx], [-fobjc-exceptions] )
  VLC_ADD_PLUGIN([macosx])

  VLC_ADD_LIBS([macosx], [-Wl,-framework,QTKit -Wl,-framework,IOKit -Wl,-framework,AddressBook -Wl,-framework,WebKit -Wl,-framework,CoreAudio -Wl,-framework,SystemConfiguration -Wl,-framework,ScriptingBridge])

  if test ! -d ${CONTRIB_DIR}/Sparkle.framework
  then
    AC_MSG_ERROR([Sparkle framework is required and was not found in ${CONTRIB_DIR}])
  fi
  VLC_ADD_LIBS([macosx], [-F${CONTRIB_DIR} -Wl,-framework,Sparkle])
  VLC_ADD_OBJCFLAGS([macosx], [-F${CONTRIB_DIR}])

  if test ! -d ${CONTRIB_DIR}/BGHUDAppKit.framework
  then
    AC_MSG_ERROR([BGHUDAppKit framework is required and was not found in ${CONTRIB_DIR}])
  fi
  VLC_ADD_LIBS([macosx], [-F${CONTRIB_DIR} -Wl,-framework,BGHUDAppKit])
  VLC_ADD_OBJCFLAGS([macosx], [-F${CONTRIB_DIR}])
fi
AM_CONDITIONAL(ENABLE_MACOSX_UI, [test "$enable_macosx" != "no"])

dnl
dnl  Minimal Mac OS X module
dnl
AC_ARG_ENABLE(minimal-macosx,
  [  --enable-minimal-macosx Minimal Mac OS X support (default disabled)])
if test "${enable_minimal_macosx}" = "yes" -a "${SYS}" = "darwin"
then
  VLC_ADD_LIBS([minimal_macosx], [-Wl,-framework,Cocoa])
  VLC_ADD_OBJCFLAGS([minimal_macosx], [-fobjc-exceptions] )
  VLC_ADD_PLUGIN([minimal_macosx])
fi
AM_CONDITIONAL(ENABLE_MINIMAL_MACOSX, [test "$enable_minimal_macosx" != "no"])

dnl
dnl  MacOS X dialog provider
dnl
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 "${enable_macosx_dialog_provider}" = "yes")
then
  VLC_ADD_LIBS([macosx_dialog_provider],[-Wl,-framework,Cocoa])
  VLC_ADD_PLUGIN([macosx_dialog_provider])
fi
AM_CONDITIONAL(ENABLE_MACOSX_DIALOG_PROVIDER, [test "$enable_macosx_dialog_provider" != "no"])

dnl
dnl  ncurses module
dnl
AC_ARG_ENABLE(ncurses,
[AS_HELP_STRING([--disable-ncurses],[ncurses text-based interface (default auto)])])
AS_IF([test "${enable_ncurses}" != "no"] ,[
  PKG_CHECK_MODULES([NCURSES], [ncursesw], [
    VLC_ADD_PLUGIN([ncurses])
    VLC_ADD_CFLAGS([ncurses],[${NCURSES_CFLAGS}])
    VLC_ADD_LIBS([ncurses],[${NCURSES_LIBS}])
    ALIASES="${ALIASES} nvlc"
  ], [
    AS_IF([test -n "${enable_ncurses}"], [
      AC_MSG_ERROR([${NCURSES_PKG_ERRORS}.])
    ])
  ])
])

dnl
dnl  Lirc plugin
dnl
AC_ARG_ENABLE(lirc,
  [  --enable-lirc           lirc support (default disabled)])
if test "${enable_lirc}" = "yes"
then
  AC_CHECK_HEADER(lirc/lirc_client.h, AC_CHECK_LIB(lirc_client, lirc_init, have_lirc="true", have_lirc="false"),have_lirc="false")
  if test "${have_lirc}" = "true"
  then
    VLC_ADD_PLUGIN([lirc])
    VLC_ADD_LIBS([lirc],[-llirc_client])
  fi
fi

EXTEND_HELP_STRING([Visualisations and Video filter plugins:])
dnl
dnl  goom visualization plugin
dnl
PKG_ENABLE_MODULES_VLC([GOOM], [], [libgoom2], [goom visualization plugin], [auto])

dnl
dnl  chromaprint audio track fingerprinter
dnl
PKG_ENABLE_MODULES_VLC([CHROMAPRINT], [stream_out_chromaprint], [libchromaprint >= 0.6.0], (Chromaprint based audio fingerprinter), [auto], [-I./webservices -I../stream_out])

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],[$PROJECTM_LIBS])
      PKG_CHECK_MODULES(PROJECTM2, [libprojectM >= 2.0.0],
        [ AC_DEFINE([HAVE_PROJECTM2], 1, [Define to 1 if using libprojectM 2.x]) ],
        [ AC_MSG_WARN( [Using libprojectM version 1] )
      ])
    ],[
      AC_MSG_WARN([${PROJECTM_PKG_ERRORS}.])
    ])
  ])

dnl
dnl Vovoid VSXu visualization plugin
dnl
AC_ARG_ENABLE(vsxu,
  [  --enable-vsxu           Vovoid VSXu visualization plugin (default auto)])
AS_IF([test "${enable_vsxu}" != "no"],
  [
    PKG_CHECK_MODULES(VSXU, libvsxu,
    [
      VLC_ADD_PLUGIN([vsxu])
      VLC_ADD_CXXFLAGS([vsxu],[$VSXU_CFLAGS])
      VLC_ADD_LIBS([vsxu],[$VSXU_LIBS])
    ],[
      AC_MSG_WARN([${VSXU_PKG_ERRORS}.])
    ])
  ])

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++)
  ])
])


EXTEND_HELP_STRING([Service Discovery plugins:])
dnl
dnl  Bonjour services discovery
PKG_ENABLE_MODULES_VLC([BONJOUR], [], [avahi-client >= 0.6], [Bonjour services discovery], [auto])

dnl
dnl  libudev services discovery
PKG_ENABLE_MODULES_VLC([UDEV], [], [libudev >= 142], [Linux udev services discovery], [auto])

dnl
dnl MTP devices services discovery
PKG_ENABLE_MODULES_VLC([MTP], [mtp access_mtp], [libmtp >= 1.0.0], [MTP devices support], [auto])

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

EXTEND_HELP_STRING([Misc options:])

dnl
dnl  libxml2 module
dnl
PKG_ENABLE_MODULES_VLC([LIBXML2], [xml], [libxml-2.0 >= 2.5], [libxml2 support],[auto])


dnl
dnl libgcrypt
dnl
AC_ARG_ENABLE(libgcrypt,
  [  --disable-libgcrypt     gcrypt support (default enabled)])
AS_IF([test "${enable_libgcrypt}" != "no"], [
  AC_CHECK_DECL([GCRYCTL_SET_THREAD_CBS], [
    libgcrypt-config --version >/dev/null || \
        AC_MSG_ERROR([gcrypt.h present but libgcrypt-config could not be found])
    AC_CHECK_LIB(gcrypt, gcry_control, [
      have_libgcrypt="yes"
      GCRYPT_CFLAGS="`libgcrypt-config --cflags`"
      GCRYPT_LIBS="`libgcrypt-config --libs`"
    ], [
      AC_MSG_ERROR([libgcrypt not found. Install libgcrypt or use --disable-libgcrypt. Have a nice day.])
    ], [`libgcrypt-config --libs`])
  ], [
    AC_MSG_ERROR([libgcrypt version 1.1.94 or higher not found. Install libgcrypt or use --disable-libgcrypt. Have a nice day.])
  ], [#include <gcrypt.h>]
  )
])

AC_SUBST(GCRYPT_CFLAGS)
AC_SUBST(GCRYPT_LIBS)
AM_CONDITIONAL([HAVE_GCRYPT], [test "${have_libgcrypt}" = "yes"])

dnl
dnl TLS/SSL
dnl
AC_ARG_ENABLE(gnutls,
  [  --enable-gnutls         GNU TLS TLS/SSL support (default enabled)])
AS_IF([test "${enable_gnutls}" != "no"], [
  PKG_CHECK_MODULES(GNUTLS, [gnutls >= 3.0.20], [
    VLC_ADD_PLUGIN([gnutls])
  ], [
    AS_IF([test -n "${enable_gnutls}"], [
      AC_MSG_ERROR([${GNUTLS_PKG_ERRORS}.)])
    ])
  ])
])


dnl
dnl Taglib plugin
dnl
AC_ARG_ENABLE(taglib,
  [AS_HELP_STRING([--disable-taglib],
    [do not use TagLib (default enabled)])])
AS_IF([test "${enable_taglib}" != "no"], [
  PKG_CHECK_MODULES(TAGLIB, taglib >= 1.6.1, [
    VLC_ADD_PLUGIN([taglib])
    VLC_ADD_LIBS([taglib],[$TAGLIB_LIBS -lz])
    VLC_ADD_CXXFLAGS([taglib],[$TAGLIB_CFLAGS])
  ], [
    AC_MSG_WARN([${TAGLIB_PKG_ERRORS}.])])
])


dnl
dnl update checking system
dnl
AC_ARG_ENABLE(update-check,
  [  --enable-update-check   update checking system (default disabled)])
if test "${enable_update_check}" = "yes"
then
  if test "${have_libgcrypt}" != "yes"
  then
    AC_MSG_ERROR([libgcrypt is required for update checking system])
  fi
  VLC_ADD_LIBS([libvlccore], [${GCRYPT_LIBS}])
  VLC_ADD_CFLAGS([libvlccore], [${GCRYPT_CFLAGS}])
  AC_DEFINE([UPDATE_CHECK], 1, [Define if you want to use the VLC update mechanism])
fi

dnl
dnl Growl notification plugin
dnl
AC_ARG_ENABLE(growl,
  [  --enable-growl          growl notification plugin (default disabled)],,