configure.ac

    GL_CFLAGS=""
    have_gl="yes"
    AS_IF([test "${SYS}" != "mingw32"], [
      GL_LIBS="-lGL"
    ], [
      GL_LIBS="-lopengl32"
    ])
  ])
])
AM_CONDITIONAL([HAVE_GL], [test "${have_gl}" = "yes"])

dnl OpenGL ES 2: depends on EGL 1.1
PKG_ENABLE_MODULES_VLC([GLES2], [], [glesv2], [OpenGL ES v2 support], [disabled])
dnl OpenGL ES 1: depends on EGL 1.0
PKG_ENABLE_MODULES_VLC([GLES1], [], [glesv1_cm], [OpenGL ES v1 support], [disabled])

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}" != "darwin"], [
    enable_xcb="yes"
  ], [
    enable_xcb="no"
  ])
])
AC_ARG_ENABLE(xvideo,
  [  --enable-xvideo         XVideo support (default enabled)],, [
    enable_xvideo="$enable_xcb"
])

have_xcb="no"
have_xcb_keysyms="no"
have_xcb_randr="no"
have_xcb_xvideo="no"
AS_IF([test "${enable_xcb}" != "no"], [
  dnl libxcb
  PKG_CHECK_MODULES(XCB, [xcb >= 1.6])
  have_xcb="yes"
  PKG_CHECK_MODULES(XCB_SHM, [xcb-shm])
  PKG_CHECK_MODULES(XCB_COMPOSITE, [xcb-composite])
  PKG_CHECK_MODULES(XPROTO, [xproto])

  AS_IF([test "${enable_xvideo}" != "no"], [
    PKG_CHECK_MODULES(XCB_XV, [xcb-xv >= 1.1.90.1], [have_xcb_xvideo="yes"])
  ])

  PKG_CHECK_MODULES(XCB_RANDR, [xcb-randr >= 1.3], [have_xcb_randr="yes"])

  dnl xcb-utils
  PKG_CHECK_MODULES(XCB_KEYSYMS, [xcb-keysyms >= 0.3.4], [have_xcb_keysyms="yes"], [
    AC_MSG_WARN([${XCB_KEYSYMS_PKG_ERRORS}. Hotkeys will not work.])
  ])
])
AM_CONDITIONAL([HAVE_XCB], [test "${have_xcb}" = "yes"])
AM_CONDITIONAL([HAVE_XCB_KEYSYMS], [test "${have_xcb_keysyms}" = "yes"])
AM_CONDITIONAL([HAVE_XCB_RANDR], [test "${have_xcb_randr}" = "yes"])
AM_CONDITIONAL([HAVE_XCB_XVIDEO], [test "${have_xcb_xvideo}" = "yes"])


dnl
dnl VDPAU needs X11
dnl
AC_ARG_ENABLE(vdpau,
  [AS_HELP_STRING([--enable-vdpau], [VDPAU hardware support (default auto)])])
have_vdpau="no"
AS_IF([test "${enable_vdpau}" != "no"], [
  PKG_CHECK_MODULES([VDPAU], [vdpau >= 0.6], [
    have_vdpau="yes"
    AS_IF([test "${no_x}" = "yes"], [
      AC_MSG_ERROR([VDPAU requires Xlib (X11).])
    ])
  ], [
    AS_IF([test -n "${enable_vdpau}"], [
      AC_MSG_ERROR([${VDPAU_PKG_ERRORS}.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_VDPAU], [test "${have_vdpau}" = "yes"])

have_avcodec_vdpau="no"
AS_IF([test "${have_vdpau}" = "yes" -a "${have_avcodec}" = "yes"], [
  case "${avfork}" in
    libav) av_vdpau_ver="55.26.0" ;;
    ffmpeg) av_vdpau_ver="55.42.100" ;;
  esac
  PKG_CHECK_EXISTS([libavutil >= 52.4.0 libavcodec >= ${av_vdpau_ver}], [
    have_avcodec_vdpau="yes"
    AC_MSG_NOTICE([VDPAU decoding acceleration activated])
  ], [
    AS_IF([test -n "${enable_vdpau}"], [
      AC_MSG_ERROR([libav libavutil >= 52.4.0 and libavcodec >= 55.26.0 are required for VDPAU decoding.])
    ], [
      AC_MSG_WARN([libav libavutil >= 52.4.0 and libavcodec >= 55.26.0 are required for VDPAU decoding.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_AVCODEC_VDPAU], [test "${have_avcodec_vdpau}" = "yes"])


dnl
dnl  Wayland
dnl
AC_ARG_ENABLE(wayland,
  [AS_HELP_STRING([--enable-wayland], [Wayland support (default auto)])])
have_wayland="no"
AC_ARG_VAR([WAYLAND_SCANNER], [Wayland scanner utility])

AS_IF([test "${enable_wayland}" != "no"], [
  AC_MSG_CHECKING([for the Wayland scanner])
  AS_IF([test -z "$WAYLAND_SCANNER"], [
    PKG_CHECK_EXISTS([wayland-scanner], [
      WAYLAND_SCANNER="$(${PKG_CONFIG} wayland-scanner --variable wayland_scanner)"
    ], [
      WAYLAND_SCANNER="wayland-scanner"
    ])
  ])
  AC_MSG_RESULT([$WAYLAND_SCANNER])

  PKG_CHECK_MODULES([WAYLAND_CLIENT], [wayland-client >= 1.5.91], [
    have_wayland="yes"
  ], [
    AS_IF([test -n "${enable_wayland}"], [
      AC_MSG_ERROR([${WAYLAND_CLIENT_PKG_ERRORS}.])
    ])
  ])

  AS_IF([test "${have_egl}" = "yes"], [
    PKG_CHECK_MODULES([WAYLAND_EGL], [wayland-egl], [
      have_wayland_egl="yes"
    ], [
      AS_IF([test -n "${enable_wayland}"], [
        AC_MSG_ERROR([${WAYLAND_EGL_PKG_ERRORS}.])
      ])
    ])
  ])
])
AM_CONDITIONAL([HAVE_WAYLAND], [test "${have_wayland}" = "yes"])
AM_CONDITIONAL([HAVE_WAYLAND_EGL], [test "${have_wayland_egl}" = "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

      # SDL_image
      AS_IF([ test "${enable_sdl_image}" != "no"],[
        PKG_CHECK_MODULES(SDL_IMAGE, [SDL_image >= 1.2.10], [
          VLC_ADD_PLUGIN([sdl_image])],
          [ AC_MSG_WARN([${SDL_IMAGE_PKG_ERRORS}. You should install it alongside your SDL package.])
          ])
      ])
   ],[
     AC_MSG_WARN([${SDL_PKG_ERRORS}.])
   ])
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(harfbuzz,
  [  --enable-harfbuzz       harfbuzz 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])])

have_freetype="no"
have_fontconfig="no"
have_fribidi="no"
have_harfbuzz="no"

if test "${enable_freetype}" != "no"; then
   PKG_CHECK_MODULES(FREETYPE, freetype2, [
      have_freetype="yes"
      VLC_ADD_CPPFLAGS([skins2],[${FREETYPE_CFLAGS}])
      VLC_ADD_LIBS([skins2],[${FREETYPE_LIBS}])

      dnl fontconfig support
      if test "${SYS}" != "mingw32"; then
          if test "${enable_fontconfig}" != "no"; then
            AC_CHECK_HEADERS(fontconfig/fontconfig.h, [
              have_fontconfig="yes"
            ],[AC_MSG_WARN([library fontconfig not found. Styles will be disabled in freetype])])
          fi
      fi

      dnl fribidi support
      if test "${enable_fribidi}" != "no"; then
        PKG_CHECK_MODULES(FRIBIDI, fribidi, [
          have_fribidi="yes"
          VLC_ADD_CPPFLAGS([skins2], [${FRIBIDI_CFLAGS} -DHAVE_FRIBIDI])
          VLC_ADD_LIBS([skins2], [${FRIBIDI_LIBS}])
        ],[AC_MSG_WARN([${FRIBIDI_PKG_ERRORS}. Bidirectional text and complex scripts (Arabic, Farsi, Thai...) will be disabled in FreeType.])])
      fi

      dnl harfbuzz support
      if test "${have_fribidi}" != "no"; then
        if test "${enable_harfbuzz}" != "no"; then
          PKG_CHECK_MODULES(HARFBUZZ, harfbuzz, [
            have_harfbuzz="yes"
            VLC_ADD_CPPFLAGS([skins2], [${HARFBUZZ_CFLAGS} -DHAVE_HARFBUZZ])
            VLC_ADD_LIBS([skins2], [${HARFBUZZ_LIBS}])
          ],[AC_MSG_WARN([${HARFBUZZ_PKG_ERRORS}. Support for complex scripts (Arabic, Farsi, Thai...) will be disabled in FreeType.])])
        fi
      fi
  ],[
  AS_IF([test -n "${enable_freetype}"],[
    AC_MSG_ERROR([${FREETYPE_PKG_ERRORS}. Install FreeType2 development or configure with --disable-freetype.])
    ])
  ])
fi

AM_CONDITIONAL([HAVE_FREETYPE], [test "${have_freetype}" = "yes"])
AM_CONDITIONAL([HAVE_FONTCONFIG], [test "${have_fontconfig}" = "yes"])
AM_CONDITIONAL([HAVE_FRIBIDI], [test "${have_fribidi}" = "yes"])
AM_CONDITIONAL([HAVE_HARFBUZZ], [test "${have_harfbuzz}" = "yes"])

dnl
dnl SAPI (text to Speech renderer for Windows)
dnl
AC_LANG_PUSH([C++])
AC_CHECK_TYPES([ISpObjectToken],[
              have_sapi="yes"
            ],[AC_MSG_WARN([sapi.h not found. Text to Speech renderer for Windows disabled])],
              [#include <windows.h>
               #include <sapi.h>
               #include <sphelper.h>])
AM_CONDITIONAL([HAVE_SAPI], [test "${have_sapi}" = "yes"])
AC_LANG_POP([C++])

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])
fi

dnl
dnl  SVG module (text rendering and image decoding)
dnl
PKG_ENABLE_MODULES_VLC([SVG], [], [librsvg-2.0 >= 2.9.0], [SVG rendering library],[auto])
PKG_ENABLE_MODULES_VLC([SVGDEC], [], [librsvg-2.0 >= 2.9.0 cairo >= 1.13.1], [SVG image decoder library],[auto])

dnl
dnl  Windows DirectX module
dnl

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 Direct3D11
  AC_CHECK_HEADERS(d3d11.h, [
    VLC_ADD_PLUGIN([direct3d11])
  ])

  dnl Direct3D9
  AC_CHECK_HEADERS(d3d9.h, [
    VLC_ADD_PLUGIN([direct3d9])
  ])

  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])
  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 MMAL plugin
dnl
AC_ARG_ENABLE(mmal,
  AS_HELP_STRING([--enable-mmal],
    [Multi-Media Abstraction Layer (MMAL) hardware plugin (default enable)]))
if test "${enable_mmal}" != "no"; then
  VLC_SAVE_FLAGS
  LDFLAGS="${LDFLAGS} -L/opt/vc/lib -lvchostif"
  CPPFLAGS="${CPPFLAGS} -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  AC_CHECK_HEADERS(interface/mmal/mmal.h,
    [ AC_CHECK_LIB(bcm_host, vc_tv_unregister_callback_full, [
        have_mmal="yes"
        VLC_ADD_PLUGIN([mmal])
        VLC_ADD_LDFLAGS([mmal],[ -L/opt/vc/lib ])
        VLC_ADD_CFLAGS([mmal],[ -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux ])
        VLC_ADD_LIBS([mmal],[ -lbcm_host -lmmal -lvchostif ]) ], [
          AS_IF([test "${enable_mmal}" = "yes"],
            [ AC_MSG_ERROR([Cannot find bcm library...]) ],
            [ AC_MSG_WARN([Cannot find bcm library...]) ])
          ],
        [])
    ] , [ AS_IF([test "${enable_mmal}" = "yes"],
      [ AC_MSG_ERROR([Cannot find development headers for mmal...]) ],
      [ AC_MSG_WARN([Cannot find development headers for mmal...]) ]) ])
  VLC_RESTORE_FLAGS
fi
AM_CONDITIONAL([HAVE_MMAL], [test "${have_mmal}" = "yes"])

dnl
dnl evas plugin
dnl
AC_ARG_ENABLE(evas,
  [AS_HELP_STRING([--enable-evas],
    [use evas output module (default disabled)])])
have_evas="no"
AS_IF([test "${enable_evas}" = "yes"], [
  PKG_CHECK_MODULES(EVAS, [evas >= 1.15.99 ecore >= 1.15.99], [
      have_evas="yes"
      AC_DEFINE([HAVE_EVAS], [1], [Define to 1 if evas is enabled.])
    ],[
    AS_IF([test "x${enable_evas}" != "x"], [
      AC_MSG_ERROR([$EVAS_PKG_ERRORS. libevas and libecore 1.15.99 or later required.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_EVAS], [test "${have_evas}" = "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 "${enable_pulse}" != "no"], [
  PKG_CHECK_MODULES([PULSE], [libpulse >= 1.0], [
    have_pulse="yes"
  ], [
    AS_IF([test "x${enable_pulse}" != "x"], [
      AC_MSG_ERROR([$PULSE_PKG_ERRORS. PulseAudio 1.0 or later required.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_PULSE], [test "${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  AudioQueue plugin
dnl
AC_ARG_ENABLE(audioqueue,
  [  --enable-audioqueue     AudioQueue audio module (default disabled)])
if test "${enable_audioqueue}" = "yes"
then
  VLC_ADD_PLUGIN([audioqueue])
fi

dnl
dnl  JACK modules
dnl
AC_ARG_ENABLE(jack,
  [AS_HELP_STRING([--disable-jack],
    [do not use jack (default auto)])])
have_jack="no"
AS_IF([test "${enable_jack}" != "no"], [
    PKG_CHECK_MODULES(JACK, jack >= 1.9.7,
      [ have_jack=yes ],
      [
      AC_MSG_WARN([${JACK_PKG_ERRORS}, trying jack1 instead])

      PKG_CHECK_MODULES(JACK, jack >= 0.120.1 jack < 1.0,
      [ have_jack=yes ],
      [
      AS_IF([test -n "${enable_jack}"],
         [AC_MSG_ERROR([${JACK_PKG_ERRORS}.])],
         [AC_MSG_WARN([${JACK_PKG_ERRORS}.])])
      ])
    ])
])
AM_CONDITIONAL([HAVE_JACK], [test "${have_jack}" != "no"])

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  Tizen audio
dnl
AC_ARG_ENABLE(tizen_audio,
  [AS_HELP_STRING([--enable-tizen-audio],
    [Tizen audio module (default enabled on Tizen)])],, [
  AS_IF([test "$HAVE_TIZEN" = "1"], [
    enable_tizen_audio="yes"
  ])
])
if test "${enable_tizen_audio}" = "yes"; then
  AC_CHECK_HEADERS(audio_io.h,
    [ VLC_ADD_PLUGIN([tizen_audio]) ],
    [ AC_MSG_ERROR([cannot find Tizen audio_io headers])] )
fi

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

dnl
dnl  soxr module
dnl
PKG_ENABLE_MODULES_VLC([SOXR], [], [soxr >= 0.1.2], [SoX Resampler library], [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  chromaprint audio track fingerprinter
dnl
m4_pushdef([libchromaprint_version], 0.6.0)
PKG_WITH_MODULES([CHROMAPRINT],[libchromaprint >= libchromaprint_version],
    VLC_ADD_PLUGIN([stream_out_chromaprint]),
    AS_IF([test "${enable_chromaprint}" = "yes"],
        [AC_MSG_ERROR(Library [libchromaprint >= libchromaprint_version] needed for [chromaprint] was not found)],
        [AC_MSG_WARN(Library [libchromaprint >= libchromaprint_version] needed for [chromaprint] was not found)]
         ),
    [(Chromaprint based audio fingerprinter)],[auto])
m4_popdef([libchromaprint_version])

dnl
dnl  Chromecast streaming support
dnl
m4_pushdef([protobuf_lite_version], 2.5.0)
AC_ARG_VAR(PROTOC, [protobuf compiler])
AC_CHECK_PROGS(PROTOC, protoc, no)
PKG_WITH_MODULES([CHROMECAST],[protobuf-lite >= protobuf_lite_version], [
    AS_IF([test "x${PROTOC}" != "xno"], [
        build_chromecast="yes"
    ], [
    AC_MSG_ERROR(protoc compiler needed for [chromecast] was not found)
    ])
], [
    AS_IF([test "${enable_chromecast}" = "yes"],
        AC_MSG_ERROR(Library [protobuf-lite >= protobuf_lite_version] needed for [chromecast] was not found),
        AC_MSG_WARN(Library [protobuf-lite >= protobuf_lite_version] needed for [chromecast] was not found)
    )
    enable_chromecast="no"
], [(Chromecast streaming support)], [auto])
AM_CONDITIONAL([BUILD_CHROMECAST], [test "${build_chromecast}" = "yes"])
m4_popdef([protobuf_lite_version])

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], [Qt5Core >= 5.2.0 Qt5Widgets Qt5Gui], [
      PKG_CHECK_MODULES([QTX11], [Qt5X11Extras], [
          VLC_ADD_LIBS([qt],[${QTX11_LIBS}])
          VLC_ADD_CXXFLAGS([qt],[${QTX11_CFLAGS} -DQT5_HAS_X11])
          PKG_CHECK_MODULES([XI], [xi], [
            VLC_ADD_LIBS([qt], [${XI_LIBS}])
            VLC_ADD_CXXFLAGS([qt], [${XI_CFLAGS} -DHAVE_XI])
          ], [
            PKG_CHECK_EXISTS([Qt5Gui >= 5.5], [
              AC_MSG_ERROR([${XI_PKG_ERRORS}.])
            ], [
              AC_MSG_WARN([${XI_PKG_ERRORS}.])
            ])
          ])
      ],[
          AC_MSG_WARN([Not building Qt Interface with X11 helpers.])
      ])
      QT_PATH="$(eval $PKG_CONFIG --variable=exec_prefix Qt5Core)"
      QT_HOST_PATH="$(eval $PKG_CONFIG --variable=host_bins Qt5Core)"
      AC_PATH_PROGS(MOC, [moc-qt5 moc], moc, ["${QT_HOST_PATH}" "${QT_PATH}/bin" "${CONTRIB_DIR}/bin"])
      AC_PATH_PROGS(RCC, [rcc-qt5 rcc], rcc, ["${QT_HOST_PATH}" "${QT_PATH}/bin" "${CONTRIB_DIR}/bin"])
      AC_PATH_PROGS(UIC, [uic-qt5 uic], uic, ["${QT_HOST_PATH}" "${QT_PATH}/bin" "${CONTRIB_DIR}/bin"])
    ], [
      PKG_CHECK_MODULES([QT], [QtCore QtGui >= 4.8.0],, [
        AS_IF([test -n "${enable_qt}"],[
          AC_MSG_ERROR([${QT_PKG_ERRORS}.])
        ],[
          AC_MSG_WARN([${QT_PKG_ERRORS}.])
        ])
        enable_qt="no"
      ])
      QT_PATH="$(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" "${CONTRIB_DIR}/bin"])
    ])
])
AS_IF([test "${enable_qt}" != "no"], [
  VLC_ADD_PLUGIN([qt])
  ALIASES="${ALIASES} qvlc"
])
AM_CONDITIONAL(ENABLE_QT, [test "$enable_qt" != "no"])

dnl
dnl detect kde4-config patch (used for kde solids and kwallet).
dnl
AC_ARG_VAR([KDE4_CONFIG], [kde4-config utility])
AS_IF([test "x$KDE4_CONFIG" = "x"], [
  KDE4_CONFIG="kde4-config"
])

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 Qt 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 Qt development package or alternatively you can also configure with: --disable-qt --disable-skins2.])
  ], [
    enable_skins2="no"
    AC_MSG_WARN([The skins2 module depends on the Qt interface, Qt 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 OS/2
  ], [test "${SYS}" = "os2"], [
    VLC_ADD_CPPFLAGS([skins2],[ -DOS2_SKINS])
  dnl Linux/Unix
  ], [
    PKG_CHECK_MODULES([XPM], [xpm],, [have_skins_deps="no"])
    PKG_CHECK_MODULES([XINERAMA], [xinerama],, [have_skins_deps="no"])
    PKG_CHECK_MODULES([XEXT], [xext],, [have_skins_deps="no"])
    VLC_ADD_CPPFLAGS([skins2],[${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_PLUGIN([macosx])

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

dnl
dnl  MacOS X sparkle update support
dnl
AC_ARG_ENABLE(sparkle,
  [  --enable-sparkle        Sparkle update support for OS X (default enabled on Mac OS X)])
if test "x${enable_sparkle}" != "xno" -a "${HAVE_OSX}" = "1"
then
  if test ! -d ${CONTRIB_DIR}/Sparkle.framework
  then
    AC_MSG_ERROR([Sparkle framework is required and was not found in ${CONTRIB_DIR}])
  fi

  AC_DEFINE([HAVE_SPARKLE], [1], [Define to 1 if sparkle is enabled.])
fi
AM_CONDITIONAL(HAVE_SPARKLE, [test "$enable_sparkle" != "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_PLUGIN([minimal_macosx])
fi

dnl
dnl  VideoToolbox plugins
AC_CHECK_HEADERS(VideoToolbox/VideoToolbox.h, [
    VLC_ADD_PLUGIN([videotoolbox])
    VLC_ADD_PLUGIN([cvpx_i420])
  ])

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

dnl
dnl  Lirc plugin
dnl
AC_ARG_ENABLE(lirc,
  [  --enable-lirc           lirc support (default disabled)])
have_lirc="no"
AS_IF([test "${enable_lirc}" = "yes"], [
  AC_CHECK_HEADER(lirc/lirc_client.h, [
    AC_CHECK_LIB(lirc_client, lirc_init, [
      have_lirc="true"
    ])
  ])
])
AM_CONDITIONAL([HAVE_LIRC], [test "${have_lirc}" = "yes"])

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 libprojectM visualization plugin
dnl
AC_ARG_ENABLE(projectm,
  [  --enable-projectm       projectM visualization plugin (default enabled)])
AS_IF([test "${enable_projectm}" != "no"],
  [
    PKG_CHECK_MODULES(PROJECTM, libprojectM,
    [
      VLC_ADD_PLUGIN([projectm])
      PKG_CHECK_EXISTS([libprojectM >= 2.0.0],
        [ AC_DEFINE([HAVE_PROJECTM2], 1, [Define to 1 if using libprojectM 2.x]) ],
        [ AC_MSG_WARN( [Using libprojectM version 1] )
      ])
    ],[
      AC_MSG_WARN([${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 "${enable_vsxu}" != "no"],
  [
    PKG_CHECK_MODULES(VSXU, libvsxu,
    [
      VLC_ADD_PLUGIN([vsxu])
    ],[
      AC_MSG_WARN([${VSXU_PKG_ERRORS}.])
    ])
  ])

EXTEND_HELP_STRING([Service Discovery plugins:])
dnl