configure.ac

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

        VLC_ADD_CFLAGS([x26410b],[${X264_CFLAGS}])
      ],[
        if test "${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  AVS2 decoder module (davs2)
dnl
PKG_ENABLE_MODULES_VLC([DAVS2], [davs2], [davs2], [AVS2 video decoder with libdavs2], [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 "$enable_libplacebo" != "no"], [
  PKG_CHECK_MODULES([LIBPLACEBO], [libplacebo >= 2.72], [
    AC_DEFINE([HAVE_LIBPLACEBO], [1], [Define to 1 if libplacebo is enabled.])
    AC_CHECK_HEADER([libplacebo/vulkan.h], [VLC_ADD_PLUGIN([placebo_vk])])
    AC_CHECK_HEADER([libplacebo/opengl.h], [
        VLC_ADD_PLUGIN([placebo_gl])
        VLC_ADD_PLUGIN([placebo_gles2])
    ])
  ], [
    AS_IF([test -n "${enable_libplacebo}"], [
      AC_MSG_ERROR([${LIBPLACEBO_PKG_ERRORS}.])
    ])
    enable_libplacebo="no"
  ])
])
AM_CONDITIONAL([HAVE_LIBPLACEBO], [test "$enable_libplacebo" != "no"])

dnl
dnl  OpenGL filter pl_scale
dnl
PKG_HAVE_WITH_MODULES([LIBPLACEBO_SCALE], [libplacebo >= 4.167])

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
have_gles2="no"
AC_ARG_ENABLE(gles2,
  [AS_HELP_STRING([--enable-gles2],
      [enable GLES2 support (default disabled)])])
AS_IF([test "$enable_gles2" = "yes"], [
  PKG_CHECK_MODULES([GLES2], [glesv2], [have_gles2="yes"], [])
  ])
AM_CONDITIONAL([HAVE_GLES2], [test "${have_gles2}" = "yes"])

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

AS_IF([test "$enable_vulkan" != "no"], [
  PKG_CHECK_MODULES([VULKAN], [vulkan >= 1.0.26], [
    AC_DEFINE([HAVE_VULKAN], [1], [Define to 1 if vulkan is enabled.])
  ], [
    AS_IF([test -n "${enable_vulkan}"], [
      AC_MSG_ERROR([${VULKAN_PKG_ERRORS}.])
    ])
    enable_vulkan="no"
  ])
])
AM_CONDITIONAL(HAVE_VULKAN, [test "$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"
have_xcb_damage="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.])
  ])

  dnl xcb-damage
  PKG_CHECK_MODULES([XCB_DAMAGE], [xcb-damage], [
      have_xcb_damage="yes"
  ], [
    AC_MSG_WARN([${XCB_DAMAGE_PKG_ERRORS}. Qt X11 composition 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 "${have_xcb_keysyms}" = "yes"])
AM_CONDITIONAL([HAVE_XCB_DAMAGE], [test "${have_xcb_damage}" = "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"], [
  PKG_CHECK_EXISTS([libavcodec >= 56.19.100], [
    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  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_HAVE_WITH_MODULES([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
MMAL_CFLAGS=""
MMAL_LIBS=""
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="${CPPFLAGS} -isystem /opt/vc/include -isystem /opt/vc/include/interface/vcos/pthreads -isystem /opt/vc/include/interface/vmcs_host/linux"
  AC_CHECK_HEADERS([interface/mmal/mmal.h],
    [ AC_CHECK_LIB([bcm_host], [vc_tv_unregister_callback_full], [
        have_mmal="yes"
        MMAL_CFLAGS="-isystem /opt/vc/include -isystem /opt/vc/include/interface/vcos/pthreads -isystem /opt/vc/include/interface/vmcs_host/linux"
        MMAL_LIBS="-L/opt/vc/lib -lbcm_host -lmmal -lmmal_core -lmmal_components -lmmal_util -lvchostif -lvcsm -lvchiq_arm"
        ],[
        AS_IF([test "${enable_mmal}" = "yes"],
            [ AC_MSG_ERROR([Cannot find bcm library...]) ],
            [ AC_MSG_WARN([Cannot find bcm library...]) ])
          ],
        [])
    ] , [ AS_IF([test "${enable_mmal}" = "yes"],
      [ AC_MSG_ERROR([Cannot find development headers for mmal...]) ],
      [ AC_MSG_WARN([Cannot find development headers for mmal...]) ]) ])
  VLC_RESTORE_FLAGS
fi
AC_SUBST([MMAL_CFLAGS])
AC_SUBST([MMAL_LIBS])
AM_CONDITIONAL([HAVE_MMAL], [test "${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  libebur128 module
dnl
PKG_ENABLE_MODULES_VLC([EBUR128], [], [libebur128 >= 1.2.4], [EBU R 128 standard for loudness normalisation], [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 "${enable_qt}"],[
        AC_MSG_ERROR([${QT_PKG_ERRORS}. If you want to build VLC without GUI, pass --disable-qt.])
      ],[
        AC_MSG_WARN([${QT_PKG_ERRORS}.])
      ])
      enable_qt="no"
    ])
])

AC_ARG_ENABLE([qt-qml-cache],
  AS_HELP_STRING([--enable-qt-qml-cache],
    [enable qml cache generation]))
AM_CONDITIONAL([HAVE_QMLCACHE], [test "${enable_qt_qml_cache}" = "yes" && test "x$QMLCACHE" != "xno"])

AC_ARG_ENABLE([qt-qml-debug],
  AS_HELP_STRING([--enable-qt-qml-debug], [enable qml debuger]))
AM_CONDITIONAL(QT_QML_DEBUG, [test "${enable_qt_qml_debug}" = "yes"])

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"])

dnl
dnl  MacOS X gui module
dnl
AC_ARG_ENABLE([macosx],
  AS_HELP_STRING([--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"])