configure.ac

  AC_DEFINE(HAVE_CSS, 1, [Define if CSS engine is built])
])
AM_CONDITIONAL([ENABLE_CSS], [test "${with_css}" = "yes"])


dnl
dnl  Video plugins
dnl

EXTEND_HELP_STRING([Video plugins:])

dnl
dnl  OpenGL
dnl
PKG_CHECK_MODULES([EGL], [egl], [
  have_egl="yes"
], [
  have_egl="no"
])
AM_CONDITIONAL([HAVE_EGL], [test "${have_egl}" = "yes"])

have_gl="no"
PKG_CHECK_MODULES([GL], [gl], [
  have_gl="yes"
], [
  AC_MSG_CHECKING([for OpenGL])
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef _WIN32
# include <GL/glew.h>
#endif
#include <GL/gl.h>
]], [
    [int t0 = GL_TEXTURE0;]])
  ], [
    GL_CFLAGS=""
    have_gl="yes"
    AS_IF([test "${SYS}" != "mingw32"], [
      GL_LIBS="-lGL"
    ], [
      GL_LIBS="-lopengl32"
    ])
  ])
  AC_MSG_RESULT([${have_gl}])
])
AM_CONDITIONAL([HAVE_GL], [test "${have_gl}" = "yes"])
AS_IF([test "${have_gl}" = "yes"], [
  AC_DEFINE([HAVE_GL], 1, [Defined if having OpenGL])
])

dnl OpenGL ES 2: depends on EGL 1.1
PKG_ENABLE_MODULES_VLC([GLES2], [], [glesv2], [OpenGL ES v2 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"
  ])
])

have_xcb="no"
have_xkbcommon_x11="no"
have_xcb_keysyms="no"
AS_IF([test "${enable_xcb}" != "no"], [
  xcb_err=""

  dnl libxcb
  PKG_CHECK_MODULES([XCB], [xcb >= 1.6],, [
    xcb_err="$xcb_err ${XCB_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_COMPOSITE], [xcb-composite],, [
    xcb_err="$xcb_err ${XCB_COMPOSITE_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_RANDR], [xcb-randr >= 1.3],, [
    xcb_err="$xcb_err ${XCB_RANDR_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_SHM], [xcb-shm],, [
    xcb_err="$xcb_err ${XCB_SHM_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_XKB], [xcb-xkb],, [
    xcb_err="$xcb_err ${XCB_XKB_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_XV], [xcb-xv >= 1.1.90.1],, [
    xcb_err="$xcb_err ${XCB_XV_PKG_ERRORS}."])

  dnl xproto
  PKG_CHECK_MODULES(XPROTO, [xproto],, [
    xcb_err="$xcb_err ${XPROTO_PKG_ERRORS}."])

  AS_IF([test -n "$xcb_err"], [
    AC_MSG_ERROR([$xcb_err Pass --disable-xcb to skip X11 support.])
  ])

  dnl xkbcommon
  PKG_CHECK_MODULES([XKBCOMMON_X11], [xkbcommon-x11], [
    have_xkbcommon_x11="yes"
  ], [
    AC_MSG_WARN([${XKBCOMMON_X11_PKG_ERRORS}. Hotkeys are disabled.])
  ])

  dnl xcb-utils
  PKG_CHECK_MODULES([XCB_KEYSYMS], [xcb-keysyms >= 0.3.4], [
    have_xcb_keysyms="yes"
  ], [
    AC_MSG_WARN([${XCB_KEYSYMS_PKG_ERRORS}. Global hotkeys are disabled.])
  ])

  have_xcb="yes"
])
AM_CONDITIONAL([HAVE_XCB], [test "${have_xcb}" = "yes"])
AM_CONDITIONAL([HAVE_XKBCOMMON_X11], [test "${have_xkbcommon_x11}" = "yes"])
AM_CONDITIONAL([HAVE_XCB_KEYSYMS], [test "${have_xcb_keysyms}" = "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="56.10.0" ;;
    ffmpeg) av_vdpau_ver="56.19.100" ;;
  esac
  PKG_CHECK_EXISTS([libavcodec >= ${av_vdpau_ver}], [
    have_avcodec_vdpau="yes"
    AC_MSG_NOTICE([VDPAU decoding acceleration activated])
  ], [
    AS_IF([test -n "${enable_vdpau}"], [
      AC_MSG_ERROR([libavcodec >= 56.10.0 is required for VDPAU decoding.])
    ], [
      AC_MSG_WARN([libavcodec >= 56.10.0 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"
have_wayland_cursor="no"
have_wayland_egl="no"

AS_IF([test "${enable_wayland}" != "no"], [
  PKG_CHECK_MODULES([WAYLAND_CLIENT], [wayland-client >= 1.5.91], [
    AC_MSG_CHECKING([for the Wayland protocols])
    PKG_CHECK_EXISTS([wayland-protocols >= 1.12], [
      WAYLAND_PROTOCOLS="$(${PKG_CONFIG} wayland-protocols --variable pkgdatadir)"
      AC_MSG_RESULT([${WAYLAND_PROTOCOLS}])
    ], [
      AC_MSG_RESULT([not found])
      AC_MSG_ERROR([$(${PKG_CONFIG} --print-errors 'wayland-protocols >= 1.12')])
    ])

    PKG_CHECK_MODULES([WAYLAND_CURSOR], [wayland-cursor], [
      have_wayland_cursor="yes"
    ], [
      AC_MSG_WARN([${WAYLAND_CURSOR_PKG_ERRORS}.])
    ])

    AC_MSG_CHECKING([for the Wayland scanner])
    PKG_CHECK_EXISTS([wayland-scanner >= 1.15], [
      WAYLAND_SCANNER="$(${PKG_CONFIG} wayland-scanner --variable wayland_scanner)"
      AC_MSG_RESULT([${WAYLAND_SCANNER}])
    ], [
      AC_MSG_RESULT([not found])
      AC_MSG_ERROR([$(${PKG_CONFIG} --print-errors 'wayland-scanner >= 1.15')])
    ])

    have_wayland="yes"

    AS_IF([test "${have_egl}" = "yes"], [
      PKG_CHECK_MODULES([WAYLAND_EGL], [wayland-egl], [
        have_wayland_egl="yes"
      ], [
        AC_MSG_ERROR([${WAYLAND_EGL_PKG_ERRORS}.])
      ])
    ])

    PKG_CHECK_MODULES([XKBCOMMON], [xkbcommon], [
      have_xkbcommon="yes"
    ], [
      AC_MSG_WARN([${XKBCOMMON_PKG_ERRORS}])
    ])
  ], [
    AS_IF([test -n "${enable_wayland}"], [
      AC_MSG_ERROR([${WAYLAND_CLIENT_PKG_ERRORS}.])
    ])
  ])
])
AC_SUBST([WAYLAND_PROTOCOLS])
AC_SUBST([WAYLAND_SCANNER])
AM_CONDITIONAL([HAVE_WAYLAND], [test "${have_wayland}" = "yes"])
AM_CONDITIONAL([HAVE_WAYLAND_CURSOR], [test "${have_wayland_cursor}" = "yes"])
AM_CONDITIONAL([HAVE_WAYLAND_EGL], [test "${have_wayland_egl}" = "yes"])
AM_CONDITIONAL([HAVE_XKBCOMMON], [test "${have_xkbcommon}" = "yes"])


dnl
dnl  SDL image decoder module
dnl
AC_ARG_ENABLE(sdl-image,
  [  --enable-sdl-image      SDL image support (default enabled)])
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.])
  ])
])

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
    AS_IF([test "${enable_fontconfig}" != "no" -a "${SYS}" != "mingw32" -a "${SYS}" != "darwin"], [
      PKG_CHECK_MODULES(FONTCONFIG, [fontconfig >= 2.11], [
        have_fontconfig="yes"
      ], [
        AC_MSG_WARN([${FONTCONFIG_PKG_ERRORS}. Styles will be disabled in FreeType.])
      ])
    ])

      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  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 "${SYS}" = "mingw32"], [
    enable_directx="yes"
  ], [
    enable_directx="no"
  ])
])
AS_IF([test "${enable_directx}" != "no"], [
  dnl DirectDraw
  AC_CHECK_HEADERS(ddraw.h, [
    VLC_ADD_PLUGIN([directdraw])
  ])

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

  dnl Direct3D11
  AC_CHECK_HEADERS(d3d11.h, [
    VLC_ADD_PLUGIN([direct3d11 direct3d11_filters])
  ])

  dnl Direct3D9
  AC_CHECK_HEADERS(d3d9.h, [
    VLC_ADD_PLUGIN([direct3d9])
    AC_CHECK_HEADERS(d3dx9effect.h)

    AC_PREPROC_IFELSE([AC_LANG_PROGRAM(
        [[#define COBJMACROS
          #include <d3d9.h>
          #include <dxva2api.h>
          #ifndef IDirectXVideoProcessorService_GetVideoProcessorDeviceGuids
          # error dxva2 too old
          #endif
        ]],[[;]])
      ],[
        VLC_ADD_PLUGIN([direct3d9_filters])
      ],
      [AC_MSG_WARN([Could not find required IDirectXVideoDecoder in dxva2api.h])])

  ])
])

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

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="${CPPFLAGS} -isystem /opt/vc/include -isystem /opt/vc/include/interface/vcos/pthreads -isystem /opt/vc/include/interface/vmcs_host/linux"
  AC_CHECK_HEADERS(interface/mmal/mmal.h,
    [ AC_CHECK_LIB(bcm_host, vc_tv_unregister_callback_full, [
        have_mmal="yes"
        VLC_ADD_PLUGIN([mmal])
        VLC_ADD_LDFLAGS([mmal],[ -L/opt/vc/lib ])
        VLC_ADD_CFLAGS([mmal],[ -isystem /opt/vc/include -isystem /opt/vc/include/interface/vcos/pthreads -isystem /opt/vc/include/interface/vmcs_host/linux ])
        VLC_ADD_LIBS([mmal],[ -lbcm_host -lmmal -lmmal_core -lmmal_components -lmmal_util -lvchostif ]) ], [
          AS_IF([test "${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  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([$ALSA_PKG_ERRORS. alsa-lib 1.0.24 or later required. Pass --disable-alsa to ignore this error.])
    ])
  ])
])
AM_CONDITIONAL([HAVE_ALSA], [test "${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  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 "${SYS}" = "darwin"], [
    enable_qt="no"
  ])
])
have_qt5_x11="no"
AS_IF([test "${enable_qt}" != "no"], [
  PKG_CHECK_MODULES([QT], [Qt5Core >= 5.5.0 Qt5Widgets Qt5Gui Qt5Svg], [
      PKG_CHECK_MODULES([QT5_X11], [Qt5X11Extras], [
          have_qt5_x11="yes"
      ],[
          AC_MSG_WARN([Not building Qt Interface with X11 helpers.])
      ])
      QT_PATH="$(eval $PKG_CONFIG --variable=exec_prefix Qt5Core)"
      QT_HOST_PATH="$(eval $PKG_CONFIG --variable=host_bins Qt5Core)"
      QT_VERSION="$(eval $PKG_CONFIG --modversion Qt5Gui)"
      AC_PATH_PROGS(MOC, [moc-qt5 moc], moc, ["${QT_HOST_PATH}" "${QT_PATH}/bin"])
      AC_PATH_PROGS(RCC, [rcc-qt5 rcc], rcc, ["${QT_HOST_PATH}" "${QT_PATH}/bin"])
      AC_PATH_PROGS(UIC, [uic-qt5 uic], uic, ["${QT_HOST_PATH}" "${QT_PATH}/bin"])
    ], [
      AS_IF([test -n "${enable_qt}"],[
        AC_MSG_ERROR([${QT_PKG_ERRORS}.])
      ],[
        AC_MSG_WARN([${QT_PKG_ERRORS}.])
      ])
      enable_qt="no"
    ])
])

AS_IF([test "${enable_qt}" != "no"], [
  ALIASES="${ALIASES} qvlc"
])
AC_SUBST(QT_VERSION)
AM_CONDITIONAL(ENABLE_QT, [test "$enable_qt" != "no"])
AM_CONDITIONAL([HAVE_QT5_X11], [test "${have_qt5_x11}" = "yes"])

dnl
dnl detect kde4-config patch (used for kde solids).
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 "${SYS}" = "mingw32"], [
    VLC_ADD_CPPFLAGS([skins2],[-U_OFF_T_ -U_off_t -DWIN32_SKINS])
    VLC_ADD_LIBS([skins2],[-lgdi32 -lole32 -luuid -lmsimg32])
  dnl OS/2
  ], [test "${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([XCURSOR], [xcursor],, [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} ${XCURSOR_LIBS} -lX11])
  ])

  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, libxcursor, libxpm, libxext and libxinerama])
    ])
    enable_skins2="no"
  ], [
    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

  dnl
  dnl If possible, use xcrun to find the right ibtool
  dnl

  AC_PATH_PROG([XCRUN], [xcrun], [no])
  AS_IF([test ! "x${XCRUN}" = "xno"], [
    AC_MSG_CHECKING([for ibtool (using xcrun)])
    XIB="$(eval $XCRUN -f ibtool 2>/dev/null || echo no)"
    AC_MSG_RESULT([${XIB}])
  ], [
    AC_MSG_WARN([Looking for tools without using xcrun])
  ])

  AS_IF([test "x${XIB}" = "xno"], [
    AC_PATH_PROG(XIB, [ibtool], [no])
    AS_IF([test "x${XIB}" = "xno"], [
      AC_MSG_ERROR([ibtool was not found, but is required for --enable-macosx])
    ])
  ])
fi
AM_CONDITIONAL(ENABLE_MACOSX_UI, [test "$enable_macosx" != "no" -a "${SYS}" = "darwin"])

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 -a ! -d ${CONTRIB_DIR}/Frameworks/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  MacOS X breakpad creash reporter support
dnl
AC_ARG_WITH([breakpad],
  AS_HELP_STRING([--with-breakpad=URL], [Enable Breakpad reporter using given URL]), [], [with_breakpad=no])

AS_IF([test "$with_breakpad" != "no"], [

  AS_IF([test "$with_breakpad" = "yes"], [
    AC_MSG_ERROR([You need to supply the CrashDragon Server URL as value for --with-breakpad])
  ])

  AS_IF([test "$HAVE_OSX" = "1"], [
    AC_MSG_CHECKING([for Breakpad framework])
    AS_IF([test ! -d ${CONTRIB_DIR}/Breakpad.framework -a \
                ! -d ${CONTRIB_DIR}/Frameworks/Breakpad.framework], [
      AC_MSG_RESULT([no])
      with_breakpad="no"
      AC_MSG_ERROR([Breakpad framework is required and was not found in ${CONTRIB_DIR}])
    ], [
      AC_MSG_RESULT([yes])
    ])
  ],[
    PKG_CHECK_MODULES([BREAKPAD], [breakpad-client], [
      LDFLAGS="${LDFLAGS} -Wl,--build-id"
    ], [
      AC_MSG_ERROR(["breakpad not found"])
    ])
  ])
])

AM_CONDITIONAL(HAVE_BREAKPAD, [test "$with_breakpad" != "no"])
AS_IF([test "$with_breakpad" != "no"], [
  AC_SUBST(BREAKPAD_URL, ["${with_breakpad}"])
])

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 Mac OS X fancy dmg build tool
dnl
if test "${HAVE_OSX}" = "1"
then
  AC_PATH_PROG(DMGBUILD, dmgbuild, no)
  AS_IF([test "x${DMGBUILD}" = "xno"], [
    AC_MSG_WARN([dmgbuild not found -- unable to build fancy DMGs])
  ])
fi
AM_CONDITIONAL(HAVE_DMGBUILD, [test "x$DMGBUILD" != "xno" -a "${HAVE_OSX}" = "1"])

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

dnl
dnl  AudioToolbox MIDI plugin
AC_CHECK_HEADERS([AudioToolbox/AudioToolbox.h], [
  VLC_ADD_PLUGIN([audiotoolboxmidi])
])

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 "${enable_lirc}" = "yes"], [
  AC_CHECK_HEADER(lirc/lirc_client.h, [
    AC_CHECK_LIB(lirc_client, lirc_init, [
      have_lirc="yes"
    ])
  ])
])
AM_CONDITIONAL([HAVE_LIRC], [test "${have_lirc}" = "yes"])

dnl
dnl  SRT plugin
dnl
PKG_ENABLE_MODULES_VLC([SRT], [access_srt access_output_srt], [srt >= 1.2.2], [SRT input/output plugin], [auto], [], [], [-DENABLE_SRT])

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