configure.ac

dnl
dnl  Opus plugin
dnl
PKG_ENABLE_MODULES_VLC([OPUS], [], [ogg opus >= 1.0.3], [Opus support], [auto])

dnl
dnl  Ambisonic channel mixer and binauralizer plugin
dnl
PKG_ENABLE_MODULES_VLC([SPATIALAUDIO], [], [spatialaudio], [Ambisonic channel mixer and binauralizer], [auto])

dnl
dnl  theora decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([THEORA], [], [ogg theoradec >= 1.0 theoraenc], [experimental theora codec], [auto])

dnl
dnl  OggSpots decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([OGGSPOTS], [], [ogg], [experimental OggSpots codec], [auto])

dnl
dnl  Daala decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([DAALA], [], [daaladec daalaenc], [experimental daala codec], [disabled])

dnl
dnl  schroedinger decoder plugin (for dirac format video)
dnl
PKG_ENABLE_MODULES_VLC([SCHROEDINGER], [], [schroedinger-1.0 >= 1.0.10], [dirac decoder and encoder using schroedinger], [auto])

dnl
dnl  PNG decoder module
dnl
AC_ARG_ENABLE([png],
  AS_HELP_STRING([--enable-png], [PNG support (default enabled)]))
AS_IF([test "${enable_png}" != "no"], [
AC_CHECK_HEADERS([png.h], [
  VLC_SAVE_FLAGS
  LDFLAGS="${LDFLAGS} -lz $LIBM"
  AC_CHECK_LIB([png], [png_set_alpha_mode], [
    VLC_ADD_PLUGIN([png])
  ], [], [-lz $LIBM])
  VLC_RESTORE_FLAGS
  ])
])

dnl
dnl  JPEG decoder module
dnl
AC_ARG_ENABLE([jpeg],
  AS_HELP_STRING([--enable-jpeg], [JPEG support (default enabled)]))
AS_IF([test "${enable_jpeg}" != "no"], [
AC_CHECK_HEADERS([jpeglib.h], [
  VLC_ADD_PLUGIN([jpeg])
  ])
])

dnl
dnl  BPG decoder module
dnl
AC_ARG_ENABLE([bpg],
  AS_HELP_STRING([--enable-bpg], [BPG support (default disabled)]))
AS_IF([test "${enable_bpg}" != "no"], [
AC_CHECK_HEADERS([libbpg.h], [
  VLC_ADD_PLUGIN([bpg])
  ])
])

dnl
dnl H262 encoder plugin (lib262)
dnl
AC_ARG_ENABLE([x262],
  AS_HELP_STRING([--enable-x262], [H262 encoding support with static libx262 (default disabled)]))
if test "${enable_x262}" != "no"; then
    PKG_CHECK_MODULES(X262, x262, [
        VLC_ADD_PLUGIN([x262])
        VLC_ADD_LDFLAGS([x262],[${X262_LIBS}])
        AS_IF([test -n "${ac_cv_ld_bsymbolic}"], [
          VLC_ADD_LIBS([x262],[${av_cv_ld_bsymbolic}])
        ])
        VLC_ADD_CFLAGS([x262],[${X262_CFLAGS}])
        if echo ${X262_LIBS} |grep -q 'pthreadGC2'; then
          VLC_ADD_CFLAGS([x262], [-DPTW32_STATIC_LIB])
        fi
    ], [
       if test "${enable_x262}" = "yes"; then
        AC_MSG_ERROR([x262 module doesn't work without staticly compiled libx262.a])
       fi
    ])
fi

dnl x265 encoder
PKG_ENABLE_MODULES_VLC([X265],, [x265], [HEVC/H.265 encoder], [auto])

dnl
dnl H264 encoder plugin (using libx264)
dnl
AC_ARG_ENABLE([x264],
  AS_HELP_STRING([--enable-x264], [H264 encoding support with libx264 (default enabled)]))
if test "${enable_x264}" != "no"; then
      PKG_CHECK_MODULES(X264,x264 >= 0.148, [
        VLC_ADD_PLUGIN([x264])
        VLC_ADD_LIBS([x264],[${X264_LIBS}])

        AS_IF([test -n "${ac_cv_ld_bsymbolic}"], [
          VLC_ADD_LDFLAGS([x264],[${ac_cv_ld_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([${X264_PKG_ERRORS}: you may get it from http://www.videolan.org/x264.html])
          fi
      ])
fi

dnl
dnl H264 encoder plugin (libx264 > 153)
dnl
AC_ARG_ENABLE([x26410b],
  AS_HELP_STRING([--enable-x26410b], [H264 10-bit encoding support with libx264 (default enabled)]))
if test "${enable_x26410b}" != "no"; then
      PKG_CHECK_MODULES(X26410b,x264 >= 0.153, [
        VLC_ADD_PLUGIN([x26410b])
        VLC_ADD_LIBS([x26410b],[${X264_LIBS}])

        AS_IF([test -n "${ac_cv_ld_bsymbolic}"], [
          VLC_ADD_LDFLAGS([x26410b],[${ac_cv_ld_bsymbolic}])
        ])

        VLC_ADD_CFLAGS([x26410b],[${X264_CFLAGS}])
        if echo ${X264_LIBS} |grep -q 'pthreadGC2'; then
          VLC_ADD_CFLAGS([x26410b], [-DPTW32_STATIC_LIB])
        fi
      ],[
        if test "${enable_x26410b}" = "yes"; then
            AC_MSG_ERROR([${X264_PKG_ERRORS}: you may get it from http://www.videolan.org/x264.html])
          fi
      ])
fi


dnl
dnl Intel QuickSync (aka MediaSDK) H264/H262 encoder
dnl
PKG_ENABLE_MODULES_VLC([MFX], [qsv], [libmfx], [Intel QuickSync MPEG4-Part10/MPEG2 (aka H.264/H.262) encoder], [auto])

dnl
dnl libfluidsynth (MIDI synthetizer) plugin
dnl
PKG_ENABLE_MODULES_VLC([FLUIDSYNTH], [], [fluidsynth >= 1.1.2], [MIDI synthetiser with libfluidsynth], [auto])
PKG_ENABLE_MODULES_VLC([FLUIDLITE], [fluidsynth], [fluidlite], [MIDI synthetiser with libfluidsynth], [auto])
AC_CHECK_HEADERS([fluidlite.h], [AC_SUBST([FLUIDSYNTH_LIBS], ${FLUIDLITE_LIBS})])

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 "${enable_zvbi}" != "no"],[
    PKG_CHECK_MODULES(ZVBI, [zvbi-0.2 >= 0.2.28],
        [
          VLC_ADD_PLUGIN([zvbi])
          AC_DEFINE(ZVBI_COMPILED, 1, [Define if the zvbi module is built])
          have_zvbi="yes"
          AS_IF( [test "${enable_telx}" = "yes"],[
                  AC_MSG_WARN([The zvbi and telx modules are incompatible. Using zvbi.])
                  ])
        ],[
          AC_MSG_WARN([${ZVBI_PKG_ERRORS}. Enabling the telx module instead.])
        ])
    ])
AM_CONDITIONAL([HAVE_ZVBI], [test "x${have_zvbi}" = x"yes"])

AS_IF( [test "${enable_telx}" != "no" ],[
  VLC_ADD_PLUGIN([telx])
  have_telx="yes"
  AC_DEFINE(TELX_COMPILED, 1, [Define if the telx module is built])
  ])
AM_CONDITIONAL([HAVE_TELX], [test "x${have_telx}" = x"yes"])

dnl
dnl ARIB subtitles rendering module
dnl
AC_ARG_ENABLE([aribsub],
  AS_HELP_STRING([--enable-aribsub],[ARIB Subtitles support (default enabled)]))
AS_IF( [test "${enable_aribsub}" != "no" ],[
  PKG_CHECK_MODULES(ARIBB24, [aribb24 >= 1.0.1], [
      have_aribb24="yes"
      VLC_ADD_PLUGIN([aribsub])
      VLC_ADD_LIBS([aribsub],[-laribb24])
      AC_DEFINE(HAVE_ARIBB24, 1, [Define if libaribb24 is available.])
    ],[
      AC_MSG_WARN(Library [aribb24] needed for [aribsub] was not found)
      have_aribb24="no"
  ])
])
AM_CONDITIONAL([HAVE_ARIBB24], [test x"${have_aribb24}" = x"yes"])

dnl
dnl ARIB B25
dnl
PKG_ENABLE_MODULES_VLC([ARIBB25], [aribcam], [aribb25 >= 0.2.6], [ARIB STD-B25], [auto])

dnl
dnl  kate decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([KATE], [], [kate >= 0.3.0], [kate codec], [auto])

dnl
dnl  tiger rendering for kate decoder plugin
dnl
AC_ARG_ENABLE([tiger],
AS_HELP_STRING([--enable-tiger], [Tiger rendering library for Kate streams (default auto)]))
AS_IF([test "${enable_tiger}" != "no"], [
  PKG_CHECK_MODULES(TIGER,[tiger >= 0.3.1], [
      AC_DEFINE(HAVE_TIGER, 1, [Define if libtiger is available.])],[
        AS_IF([test -n "${enable_tiger}"], [
          AC_MSG_ERROR([${TIGER_PKG_ERRORS}.])
        ])
  ])
])

dnl
dnl  check if we can build the css selector engine
dnl
AC_ARG_ENABLE([css],
AS_HELP_STRING([--enable-css], [CSS selector engine (default auto)]))
AS_IF([test "${enable_css}" != "no"], [
  with_css="yes"
  AC_DEFINE(HAVE_CSS, 1, [Define if CSS engine is built])
])
AM_CONDITIONAL([ENABLE_CSS], [test "${with_css}" = "yes"])


dnl
dnl  Video plugins
dnl

EXTEND_HELP_STRING([Video plugins:])

dnl
dnl  libplacebo support
dnl
AC_ARG_ENABLE([libplacebo],
  AS_HELP_STRING([--disable-libplacebo],
      [disable libplacebo support (default auto)]))

AS_IF([test "$enable_libplacebo" != "no"], [
  PKG_CHECK_MODULES([LIBPLACEBO], [libplacebo >= 0.5], [
    AC_DEFINE([HAVE_LIBPLACEBO], [1], [Define to 1 if libplacebo is enabled.])
    PKG_CHECK_MODULES([LIBPLACEBO], [libplacebo >= 1.7],
      [have_libplacebo_vk="yes"], [have_libplacebo_vk="no"])
  ], [
    AS_IF([test -n "${enable_libplacebo}"], [
      AC_MSG_ERROR([${LIBPLACEBO_PKG_ERRORS}.])
    ])
    enable_libplacebo="no"
  ])
])
AM_CONDITIONAL([HAVE_LIBPLACEBO], [test "$enable_libplacebo" != "no"])

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 Vulkan
dnl
AC_ARG_ENABLE(vulkan,
  [AS_HELP_STRING([--disable-vulkan],
      [disable Vulkan support (default auto)])])

AS_IF([test "$enable_vulkan" != "no"], [
  AS_IF([test "$have_libplacebo_vk" = "yes"], [
    PKG_CHECK_MODULES([VULKAN], [vulkan >= 1.0.26], [
      AC_DEFINE([HAVE_VULKAN], [1], [Define to 1 if vulkan is enabled.])
    ], [
      AS_IF([test -n "${enable_vulkan}"], [
        AC_MSG_ERROR([${VULKAN_PKG_ERRORS}.])
      ])
      enable_vulkan="no"
    ])
  ], [
    AS_IF([test -n "${enable_vulkan}"], [
      AC_MSG_ERROR([Vulkan support requires libplacebo 1.7 as well. Do not use --disable-libplacebo.])
    ])
    enable_vulkan="no"
  ])
])
AM_CONDITIONAL(HAVE_VULKAN, [test "$enable_vulkan" != "no"])

dnl
dnl  Xlib
dnl

AC_PATH_XTRA()
AC_CHECK_HEADERS([X11/Xlib.h])

dnl
dnl  X C Bindings modules
dnl
AC_ARG_ENABLE([xcb],
  AS_HELP_STRING([--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 ${XCB_RANDR_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_RENDER], [xcb-render],, [
    xcb_err="$xcb_err ${XCB_RENDER_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_SHM], [xcb-shm >= 1.9.2],, [
    xcb_err="$xcb_err ${XCB_SHM_PKG_ERRORS}."])
  PKG_CHECK_MODULES([XCB_XKB], [xcb-xkb],, [
    xcb_err="$xcb_err ${XCB_XKB_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"
AS_IF([test "${enable_wayland}" != "no"], [
  wl_err=""

  dnl wayland
  PKG_CHECK_MODULES([WAYLAND_CLIENT], [wayland-client >= 1.5.91],, [
    wl_err="$wl_err ${WAYLAND_CLIENT_PKG_ERRORS}."
  ])
  PKG_CHECK_MODULES([WAYLAND_CURSOR], [wayland-cursor],, [
    wl_err="$wl_err ${WAYLAND_CURSOR_PKG_ERRORS}."
  ])
  PKG_CHECK_MODULES([WAYLAND_EGL], [wayland-egl],, [
    wl_err="$wl_err ${WAYLAND_EGL_PKG_ERRORS}."
  ])
  PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner >= 1.15], [
    WAYLAND_SCANNER="$(${PKG_CONFIG} wayland-scanner --variable wayland_scanner)"
  ], [
    wl_err="$wl_err ${WAYLAND_SCANNER_PKG_ERRORS}."
  ])

  dnl wayland-protocols
  PKG_CHECK_MODULES([WAYLAND_PROTOCOLS], [wayland-protocols >= 1.15], [
    WAYLAND_PROTOCOLS="$(${PKG_CONFIG} wayland-protocols --variable pkgdatadir)"
  ], [
    wl_err="$wl_err ${WAYLAND_PROTOCOLS_PKG_ERRORS}."
  ])

  AS_IF([test -n "$wl_err"], [
    AS_IF([test -n "$enable_wayland"], [
      AC_MSG_ERROR([$wl_err])
    ], [
      AC_MSG_WARN([$wl_err])
    ])
  ], [
    have_wayland="yes"
  ])

  dnl xkbcommon
  PKG_CHECK_MODULES([XKBCOMMON], [xkbcommon], [
    have_xkbcommon="yes"
  ], [
    AC_MSG_WARN([${XKBCOMMON_PKG_ERRORS}. Hotkeys are disabled.])
  ])
])
AM_CONDITIONAL([HAVE_WAYLAND], [test "${have_wayland}" = "yes"])
AC_SUBST([WAYLAND_PROTOCOLS])
AC_SUBST([WAYLAND_SCANNER])
AM_CONDITIONAL([HAVE_XKBCOMMON], [test "${have_xkbcommon}" = "yes"])


dnl
dnl  SDL image decoder module
dnl
AC_ARG_ENABLE([sdl-image],
  AS_HELP_STRING([--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],
  AS_HELP_STRING([--enable-freetype],   [freetype support   (default auto)]))
AC_ARG_ENABLE([fribidi],
  AS_HELP_STRING([--enable-fribidi],    [fribidi support    (default auto)]))
AC_ARG_ENABLE([harfbuzz],
  AS_HELP_STRING([--enable-harfbuzz],   [harfbuzz support   (default auto)]))
AC_ARG_ENABLE([fontconfig],
  AS_HELP_STRING([--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],
        [Name of the default font family]),
        [AC_DEFINE_UNQUOTED([DEFAULT_FAMILY],
            "$withval", [Default font family])])
AC_ARG_WITH([default-monospace-font-family],
    AS_HELP_STRING([--with-default-monospace-font-family=NAME],
        [Name of the default font family]),
        [AC_DEFINE_UNQUOTED([DEFAULT_MONOSPACE_FAMILY],
            "$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 libass subtitle rendering module
dnl
AC_ARG_ENABLE([libass],
  AS_HELP_STRING([--enable-libass], [Subtitle support using libass (default enabled)]))
AS_IF( [test "${enable_libass}" != "no"], [
  PKG_CHECK_MODULES(LIBASS, [libass >= 0.9.8],
      [
        VLC_ADD_PLUGIN([libass])

        if test "${have_fontconfig}" != "no"; then
            VLC_ADD_CPPFLAGS([libass],[-DHAVE_FONTCONFIG])
            VLC_ADD_LIBS([libass],[${FONTCONFIG_LIBS}])
        fi
      ],[
        AC_MSG_WARN([${LIBASS_PKG_ERRORS}.])
      ])
  ])

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 OpenGL
  AC_CHECK_HEADERS([GL/glew.h], [
    AC_CHECK_HEADERS([GL/wglew.h], [
        VLC_ADD_PLUGIN([glwin32 wgl])
      ],, [
        #include <windows.h>
        #include <GL/glew.h>
      ])],, [
      #include <windows.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  Linux kernel mode setting module
dnl
PKG_ENABLE_MODULES_VLC([KMS], [], [libdrm >= 2.4.83], [Linux kernel mode setting output], [auto])

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="${CPPFLAGS} -isystem /opt/vc/include -isystem /opt/vc/include/interface/vcos/pthreads -isystem /opt/vc/include/interface/vmcs_host/linux"
  AC_CHECK_HEADERS([interface/mmal/mmal.h],
    [ AC_CHECK_LIB([bcm_host], [vc_tv_unregister_callback_full], [
        have_mmal="yes"
        VLC_ADD_PLUGIN([mmal])
        VLC_ADD_LDFLAGS([mmal],[ -L/opt/vc/lib ])
        VLC_ADD_CFLAGS([mmal],[ -isystem /opt/vc/include -isystem /opt/vc/include/interface/vcos/pthreads -isystem /opt/vc/include/interface/vmcs_host/linux ])
        VLC_ADD_LIBS([mmal],[ -lbcm_host -lmmal -lmmal_core -lmmal_components -lmmal_util -lvchostif -lvcsm -lvchiq_arm ]) ], [
          AS_IF([test "${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],
  AS_HELP_STRING([--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  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
PKG_ENABLE_MODULES_VLC([CHROMAPRINT], [stream_out_chromaprint], [libchromaprint >= 0.6.0], [Chromaprint audio fingeprinter], [auto])

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 "${enable_vlc}" != "no"], [enable_qt="yes"])
  AS_IF([test "${SYS}" = "darwin"], [
    enable_qt="no"
  ])
])
have_qt5_x11="no"
AS_IF([test "${enable_qt}" != "no"], [
  PKG_CHECK_MODULES([QT], [Qt5Core >= 5.11.0 Qt5Widgets Qt5Gui Qt5Quick Qt5QuickWidgets Qt5QuickControls2 Qt5Svg], [
      PKG_CHECK_MODULES([QT5_X11], [Qt5X11Extras], [
          have_qt5_x11="yes"
      ],[
          AC_MSG_WARN([Not building Qt Interface with X11 helpers.])
      ])
      QT_PATH="$(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}" "${QT_PATH}/bin"])
      AC_PATH_PROGS(QMLCACHE, [qmlcachegen-qt5 qmlcachegen], no, ["${QT_HOST_PATH}" "${QT_PATH}/bin"])
      AS_IF([test "x${QMLCACHE}" = "xno"], [
          AC_MSG_WARN([qmlcachegen not found])
      ])
    ], [
      AS_IF([test -n "${enable_qt}"],[