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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

  5. # Copyright (c) 2000-2002 Fabrice Bellard

  6. # Copyright (c) 2005-2008 Diego Biurrun

  7. # Copyright (c) 2005-2008 Mans Rullgard

  8. #

  9. 

  10. # Prevent locale nonsense from breaking basic text processing.

  11. LC_ALL=C

  12. export LC_ALL

  13. 

  14. # make sure we are running under a compatible shell

  15. # try to make this part work with most shells

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

  19.     type "$1" > /dev/null 2>&1 && exec "$@"

  20. }

  21. 

  22. unset foo

  23. (: ${foo%%bar}) 2> /dev/null

  24. E1="$?"

  25. 

  26. (: ${foo?}) 2> /dev/null

  27. E2="$?"

  28. 

  29. if test "$E1" != 0 || test "$E2" = 0; then

  30.     echo "Broken shell detected.  Trying alternatives."

  31.     export FF_CONF_EXEC

  32.     if test "0$FF_CONF_EXEC" -lt 1; then

  33.         FF_CONF_EXEC=1

  34.         try_exec bash "$0" "$@"

  35.     fi

  36.     if test "0$FF_CONF_EXEC" -lt 2; then

  37.         FF_CONF_EXEC=2

  38.         try_exec ksh "$0" "$@"

  39.     fi

  40.     if test "0$FF_CONF_EXEC" -lt 3; then

  41.         FF_CONF_EXEC=3

  42.         try_exec /usr/xpg4/bin/sh "$0" "$@"

  43.     fi

  44.     echo "No compatible shell script interpreter found."

  45.     echo "This configure script requires a POSIX-compatible shell"

  46.     echo "such as bash or ksh."

  47.     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."

  48.     echo "Instead, install a working POSIX-compatible shell."

  49.     echo "Disabling this configure test will create a broken FFmpeg."

  50.     if test "$BASH_VERSION" = '2.04.0(1)-release'; then

  51.         echo "This bash version ($BASH_VERSION) is broken on your platform."

  52.         echo "Upgrade to a later version if available."

  53.     fi

  54.     exit 1

  55. fi

  56. 

  57. test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --quiet                  Suppress showing informative output

  67.   --list-decoders          show all available decoders

  68.   --list-encoders          show all available encoders

  69.   --list-hwaccels          show all available hardware accelerators

  70.   --list-demuxers          show all available demuxers

  71.   --list-muxers            show all available muxers

  72.   --list-parsers           show all available parsers

  73.   --list-protocols         show all available protocols

  74.   --list-bsfs              show all available bitstream filters

  75.   --list-indevs            show all available input devices

  76.   --list-outdevs           show all available output devices

  77.   --list-filters           show all available filters

  78. 

  79. Standard options:

  80.   --logfile=FILE           log tests and output to FILE [ffbuild/config.log]

  81.   --disable-logging        do not log configure debug information

  82.   --fatal-warnings         fail if any configure warning is generated

  83.   --prefix=PREFIX          install in PREFIX [$prefix_default]

  84.   --bindir=DIR             install binaries in DIR [PREFIX/bin]

  85.   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]

  86.   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]

  87.   --libdir=DIR             install libs in DIR [PREFIX/lib]

  88.   --shlibdir=DIR           install shared libs in DIR [LIBDIR]

  89.   --incdir=DIR             install includes in DIR [PREFIX/include]

  90.   --mandir=DIR             install man page in DIR [PREFIX/share/man]

  91.   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]

  92.   --enable-rpath           use rpath to allow installing libraries in paths

  93.                            not part of the dynamic linker search path

  94.                            use rpath when linking programs (USE WITH CARE)

  95.   --install-name-dir=DIR   Darwin directory name for installed targets

  96. 

  97. Licensing options:

  98.   --enable-gpl             allow use of GPL code, the resulting libs

  99.                            and binaries will be under GPL [no]

  100.   --enable-version3        upgrade (L)GPL to version 3 [no]

  101.   --enable-nonfree         allow use of nonfree code, the resulting libs

  102.                            and binaries will be unredistributable [no]

  103. 

  104. Configuration options:

  105.   --disable-static         do not build static libraries [no]

  106.   --enable-shared          build shared libraries [no]

  107.   --enable-small           optimize for size instead of speed

  108.   --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)

  109.   --enable-gray            enable full grayscale support (slower color)

  110.   --disable-swscale-alpha  disable alpha channel support in swscale

  111.   --disable-all            disable building components, libraries and programs

  112.   --disable-autodetect     disable automatically detected external libraries [no]

  113. 

  114. Program options:

  115.   --disable-programs       do not build command line programs

  116.   --disable-ffmpeg         disable ffmpeg build

  117.   --disable-ffplay         disable ffplay build

  118.   --disable-ffprobe        disable ffprobe build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

  122.   --disable-htmlpages      do not build HTML documentation pages

  123.   --disable-manpages       do not build man documentation pages

  124.   --disable-podpages       do not build POD documentation pages

  125.   --disable-txtpages       do not build text documentation pages

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

  135.   --enable-avresample      enable libavresample build (deprecated) [no]

  136.   --disable-pthreads       disable pthreads [autodetect]

  137.   --disable-w32threads     disable Win32 threads [autodetect]

  138.   --disable-os2threads     disable OS/2 threads [autodetect]

  139.   --disable-network        disable network support [no]

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

  142.   --disable-error-resilience disable error resilience code

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

  148.   --disable-faan           disable floating point AAN (I)DCT code

  149.   --disable-pixelutils     disable pixel utils in libavutil

  150. 

  151. Individual component options:

  152.   --disable-everything     disable all components listed below

  153.   --disable-encoder=NAME   disable encoder NAME

  154.   --enable-encoder=NAME    enable encoder NAME

  155.   --disable-encoders       disable all encoders

  156.   --disable-decoder=NAME   disable decoder NAME

  157.   --enable-decoder=NAME    enable decoder NAME

  158.   --disable-decoders       disable all decoders

  159.   --disable-hwaccel=NAME   disable hwaccel NAME

  160.   --enable-hwaccel=NAME    enable hwaccel NAME

  161.   --disable-hwaccels       disable all hwaccels

  162.   --disable-muxer=NAME     disable muxer NAME

  163.   --enable-muxer=NAME      enable muxer NAME

  164.   --disable-muxers         disable all muxers

  165.   --disable-demuxer=NAME   disable demuxer NAME

  166.   --enable-demuxer=NAME    enable demuxer NAME

  167.   --disable-demuxers       disable all demuxers

  168.   --enable-parser=NAME     enable parser NAME

  169.   --disable-parser=NAME    disable parser NAME

  170.   --disable-parsers        disable all parsers

  171.   --enable-bsf=NAME        enable bitstream filter NAME

  172.   --disable-bsf=NAME       disable bitstream filter NAME

  173.   --disable-bsfs           disable all bitstream filters

  174.   --enable-protocol=NAME   enable protocol NAME

  175.   --disable-protocol=NAME  disable protocol NAME

  176.   --disable-protocols      disable all protocols

  177.   --enable-indev=NAME      enable input device NAME

  178.   --disable-indev=NAME     disable input device NAME

  179.   --disable-indevs         disable input devices

  180.   --enable-outdev=NAME     enable output device NAME

  181.   --disable-outdev=NAME    disable output device NAME

  182.   --disable-outdevs        disable output devices

  183.   --disable-devices        disable all devices

  184.   --enable-filter=NAME     enable filter NAME

  185.   --disable-filter=NAME    disable filter NAME

  186.   --disable-filters        disable all filters

  187. 

  188. External library support:

  189. 

  190.   Using any of the following switches will allow FFmpeg to link to the

  191.   corresponding external library. All the components depending on that library

  192.   will become enabled, if all their other dependencies are met and they are not

  193.   explicitly disabled. E.g. --enable-libwavpack will enable linking to

  194.   libwavpack and allow the libwavpack encoder to be built, unless it is

  195.   specifically disabled with --disable-encoder=libwavpack.

  196. 

  197.   Note that only the system libraries are auto-detected. All the other external

  198.   libraries must be explicitly enabled.

  199. 

  200.   Also note that the following help text describes the purpose of the libraries

  201.   themselves, not all their features will necessarily be usable by FFmpeg.

  202. 

  203.   --disable-alsa           disable ALSA support [autodetect]

  204.   --disable-appkit         disable Apple AppKit framework [autodetect]

  205.   --disable-avfoundation   disable Apple AVFoundation framework [autodetect]

  206.   --enable-avisynth        enable reading of AviSynth script files [no]

  207.   --disable-bzlib          disable bzlib [autodetect]

  208.   --disable-coreimage      disable Apple CoreImage framework [autodetect]

  209.   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]

  210.   --enable-frei0r          enable frei0r video filtering [no]

  211.   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support

  212.                            if openssl, librtmp or gmp is not used [no]

  213.   --enable-gmp             enable gmp, needed for rtmp(t)e support

  214.                            if openssl or librtmp is not used [no]

  215.   --enable-gnutls          enable gnutls, needed for https support

  216.                            if openssl, libtls or mbedtls is not used [no]

  217.   --disable-iconv          disable iconv [autodetect]

  218.   --enable-jni             enable JNI support [no]

  219.   --enable-ladspa          enable LADSPA audio filtering [no]

  220.   --enable-libaom          enable AV1 video encoding/decoding via libaom [no]

  221.   --enable-libaribb24      enable ARIB text and caption decoding via libaribb24 [no]

  222.   --enable-libass          enable libass subtitles rendering,

  223.                            needed for subtitles and ass filter [no]

  224.   --enable-libbluray       enable BluRay reading using libbluray [no]

  225.   --enable-libbs2b         enable bs2b DSP library [no]

  226.   --enable-libcaca         enable textual display using libcaca [no]

  227.   --enable-libcelt         enable CELT decoding via libcelt [no]

  228.   --enable-libcdio         enable audio CD grabbing with libcdio [no]

  229.   --enable-libcodec2       enable codec2 en/decoding using libcodec2 [no]

  230.   --enable-libdav1d        enable AV1 decoding via libdav1d [no]

  231.   --enable-libdavs2        enable AVS2 decoding via libdavs2 [no]

  232.   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394

  233.                            and libraw1394 [no]

  234.   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]

  235.   --enable-libflite        enable flite (voice synthesis) support via libflite [no]

  236.   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]

  237.   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]

  238.   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]

  239.   --enable-libgme          enable Game Music Emu via libgme [no]

  240.   --enable-libgsm          enable GSM de/encoding via libgsm [no]

  241.   --enable-libiec61883     enable iec61883 via libiec61883 [no]

  242.   --enable-libilbc         enable iLBC de/encoding via libilbc [no]

  243.   --enable-libjack         enable JACK audio sound server [no]

  244.   --enable-libklvanc       enable Kernel Labs VANC processing [no]

  245.   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]

  246.   --enable-liblensfun      enable lensfun lens correction [no]

  247.   --enable-libmodplug      enable ModPlug via libmodplug [no]

  248.   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]

  249.   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]

  250.   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]

  251.   --enable-libopencv       enable video filtering via libopencv [no]

  252.   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]

  253.   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]

  254.   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]

  255.   --enable-libopus         enable Opus de/encoding via libopus [no]

  256.   --enable-libpulse        enable Pulseaudio input via libpulse [no]

  257.   --enable-librsvg         enable SVG rasterization via librsvg [no]

  258.   --enable-librubberband   enable rubberband needed for rubberband filter [no]

  259.   --enable-librtmp         enable RTMP[E] support via librtmp [no]

  260.   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]

  261.   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]

  262.   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]

  263.   --enable-libsoxr         enable Include libsoxr resampling [no]

  264.   --enable-libspeex        enable Speex de/encoding via libspeex [no]

  265.   --enable-libsrt          enable Haivision SRT protocol via libsrt [no]

  266.   --enable-libssh          enable SFTP protocol via libssh [no]

  267.   --enable-libtensorflow   enable TensorFlow as a DNN module backend

  268.                            for DNN based filters like sr [no]

  269.   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]

  270.   --enable-libtheora       enable Theora encoding via libtheora [no]

  271.   --enable-libtls          enable LibreSSL (via libtls), needed for https support

  272.                            if openssl, gnutls or mbedtls is not used [no]

  273.   --enable-libtwolame      enable MP2 encoding via libtwolame [no]

  274.   --enable-libv4l2         enable libv4l2/v4l-utils [no]

  275.   --enable-libvidstab      enable video stabilization using vid.stab [no]

  276.   --enable-libvmaf         enable vmaf filter via libvmaf [no]

  277.   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]

  278.   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,

  279.                            native implementation exists [no]

  280.   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]

  281.   --enable-libwavpack      enable wavpack encoding via libwavpack [no]

  282.   --enable-libwebp         enable WebP encoding via libwebp [no]

  283.   --enable-libx264         enable H.264 encoding via x264 [no]

  284.   --enable-libx265         enable HEVC encoding via x265 [no]

  285.   --enable-libxavs         enable AVS encoding via xavs [no]

  286.   --enable-libxavs2        enable AVS2 encoding via xavs2 [no]

  287.   --enable-libxcb          enable X11 grabbing using XCB [autodetect]

  288.   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]

  289.   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]

  290.   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]

  291.   --enable-libxvid         enable Xvid encoding via xvidcore,

  292.                            native MPEG-4/Xvid encoder exists [no]

  293.   --enable-libxml2         enable XML parsing using the C library libxml2, needed

  294.                            for dash demuxing support [no]

  295.   --enable-libzimg         enable z.lib, needed for zscale filter [no]

  296.   --enable-libzmq          enable message passing via libzmq [no]

  297.   --enable-libzvbi         enable teletext support via libzvbi [no]

  298.   --enable-lv2             enable LV2 audio filtering [no]

  299.   --disable-lzma           disable lzma [autodetect]

  300.   --enable-decklink        enable Blackmagic DeckLink I/O support [no]

  301.   --enable-libndi_newtek   enable Newteck NDI I/O support [no]

  302.   --enable-mbedtls         enable mbedTLS, needed for https support

  303.                            if openssl, gnutls or libtls is not used [no]

  304.   --enable-mediacodec      enable Android MediaCodec support [no]

  305.   --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]

  306.   --enable-openal          enable OpenAL 1.1 capture support [no]

  307.   --enable-opencl          enable OpenCL processing [no]

  308.   --enable-opengl          enable OpenGL rendering [no]

  309.   --enable-openssl         enable openssl, needed for https support

  310.                            if gnutls, libtls or mbedtls is not used [no]

  311.   --disable-sndio          disable sndio support [autodetect]

  312.   --disable-schannel       disable SChannel SSP, needed for TLS support on

  313.                            Windows if openssl and gnutls are not used [autodetect]

  314.   --disable-sdl2           disable sdl2 [autodetect]

  315.   --disable-securetransport disable Secure Transport, needed for TLS support

  316.                            on OSX if openssl and gnutls are not used [autodetect]

  317.   --enable-vapoursynth     enable VapourSynth demuxer [no]

  318.   --disable-xlib           disable xlib [autodetect]

  319.   --disable-zlib           disable zlib [autodetect]

  320. 

  321.   The following libraries provide various hardware acceleration features:

  322.   --disable-amf            disable AMF video encoding code [autodetect]

  323.   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]

  324.   --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]

  325.   --disable-cuvid          disable Nvidia CUVID support [autodetect]

  326.   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]

  327.   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]

  328.   --disable-ffnvcodec      disable dynamically linked Nvidia code [autodetect]

  329.   --enable-libdrm          enable DRM code (Linux) [no]

  330.   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]

  331.   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]

  332.   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]

  333.   --disable-nvdec          disable Nvidia video decoding acceleration (via hwaccel) [autodetect]

  334.   --disable-nvenc          disable Nvidia video encoding code [autodetect]

  335.   --enable-omx             enable OpenMAX IL code [no]

  336.   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]

  337.   --enable-rkmpp           enable Rockchip Media Process Platform code [no]

  338.   --disable-v4l2-m2m       disable V4L2 mem2mem code [autodetect]

  339.   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]

  340.   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]

  341.   --disable-videotoolbox   disable VideoToolbox code [autodetect]

  342. 

  343. Toolchain options:

  344.   --arch=ARCH              select architecture [$arch]

  345.   --cpu=CPU                select the minimum required CPU (affects

  346.                            instruction selection, may crash on older CPUs)

  347.   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]

  348.   --progs-suffix=SUFFIX    program name suffix []

  349.   --enable-cross-compile   assume a cross-compiler is used

  350.   --sysroot=PATH           root of cross-build tree

  351.   --sysinclude=PATH        location of cross-build system headers

  352.   --target-os=OS           compiler targets OS [$target_os]

  353.   --target-exec=CMD        command to run executables on target

  354.   --target-path=DIR        path to view of build directory on target

  355.   --target-samples=DIR     path to samples directory on target

  356.   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks

  357.   --toolchain=NAME         set tool defaults according to NAME

  358.                            (gcc-asan, clang-asan, gcc-msan, clang-msan,

  359.                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,

  360.                            valgrind-massif, valgrind-memcheck,

  361.                            msvc, icl, gcov, llvm-cov, hardened)

  362.   --nm=NM                  use nm tool NM [$nm_default]

  363.   --ar=AR                  use archive tool AR [$ar_default]

  364.   --as=AS                  use assembler AS [$as_default]

  365.   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]

  366.   --strip=STRIP            use strip tool STRIP [$strip_default]

  367.   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]

  368.   --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]

  369.   --cc=CC                  use C compiler CC [$cc_default]

  370.   --cxx=CXX                use C compiler CXX [$cxx_default]

  371.   --objcc=OCC              use ObjC compiler OCC [$cc_default]

  372.   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]

  373.   --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]

  374.   --ld=LD                  use linker LD [$ld_default]

  375.   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]

  376.   --pkg-config-flags=FLAGS pass additional flags to pkgconf []

  377.   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]

  378.   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]

  379.   --host-cc=HOSTCC         use host C compiler HOSTCC

  380.   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host

  381.   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host

  382.   --host-ld=HOSTLD         use host linker HOSTLD

  383.   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host

  384.   --host-extralibs=HLIBS   use libs HLIBS when linking for host

  385.   --host-os=OS             compiler host OS [$target_os]

  386.   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]

  387.   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]

  388.   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]

  389.   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]

  390.   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]

  391.   --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]

  392.   --extra-libs=ELIBS       add ELIBS [$ELIBS]

  393.   --extra-version=STRING   version string suffix []

  394.   --optflags=OPTFLAGS      override optimization-related compiler flags

  395.   --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]

  396.   --build-suffix=SUFFIX    library name suffix []

  397.   --enable-pic             build position-independent code

  398.   --enable-thumb           compile for Thumb instruction set

  399.   --enable-lto             use link-time optimization

  400.   --env="ENV=override"     override the environment variables

  401. 

  402. Advanced options (experts only):

  403.   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX

  404.   --custom-allocator=NAME  use a supported custom allocator

  405.   --disable-symver         disable symbol versioning

  406.   --enable-hardcoded-tables use hardcoded tables instead of runtime generation

  407.   --disable-safe-bitstream-reader

  408.                            disable buffer boundary checking in bitreaders

  409.                            (faster, but may crash)

  410.   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]

  411. 

  412. Optimization options (experts only):

  413.   --disable-asm            disable all assembly optimizations

  414.   --disable-altivec        disable AltiVec optimizations

  415.   --disable-vsx            disable VSX optimizations

  416.   --disable-power8         disable POWER8 optimizations

  417.   --disable-amd3dnow       disable 3DNow! optimizations

  418.   --disable-amd3dnowext    disable 3DNow! extended optimizations

  419.   --disable-mmx            disable MMX optimizations

  420.   --disable-mmxext         disable MMXEXT optimizations

  421.   --disable-sse            disable SSE optimizations

  422.   --disable-sse2           disable SSE2 optimizations

  423.   --disable-sse3           disable SSE3 optimizations

  424.   --disable-ssse3          disable SSSE3 optimizations

  425.   --disable-sse4           disable SSE4 optimizations

  426.   --disable-sse42          disable SSE4.2 optimizations

  427.   --disable-avx            disable AVX optimizations

  428.   --disable-xop            disable XOP optimizations

  429.   --disable-fma3           disable FMA3 optimizations

  430.   --disable-fma4           disable FMA4 optimizations

  431.   --disable-avx2           disable AVX2 optimizations

  432.   --disable-avx512         disable AVX-512 optimizations

  433.   --disable-aesni          disable AESNI optimizations

  434.   --disable-armv5te        disable armv5te optimizations

  435.   --disable-armv6          disable armv6 optimizations

  436.   --disable-armv6t2        disable armv6t2 optimizations

  437.   --disable-vfp            disable VFP optimizations

  438.   --disable-neon           disable NEON optimizations

  439.   --disable-inline-asm     disable use of inline assembly

  440.   --disable-x86asm         disable use of standalone x86 assembly

  441.   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations

  442.   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations

  443.   --disable-msa            disable MSA optimizations

  444.   --disable-mipsfpu        disable floating point MIPS optimizations

  445.   --disable-mmi            disable Loongson SIMD optimizations

  446.   --disable-fast-unaligned consider unaligned accesses slow

  447. 

  448. Developer options (useful when working on FFmpeg itself):

  449.   --disable-debug          disable debugging symbols

  450.   --enable-debug=LEVEL     set the debug level [$debuglevel]

  451.   --disable-optimizations  disable compiler optimizations

  452.   --enable-extra-warnings  enable more compiler warnings

  453.   --disable-stripping      disable stripping of executables and shared libraries

  454.   --assert-level=level     0(default), 1 or 2, amount of assertion testing,

  455.                            2 causes a slowdown at runtime.

  456.   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data

  457.   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory

  458.                            leaks and errors, using the specified valgrind binary.

  459.                            Cannot be combined with --target-exec

  460.   --enable-ftrapv          Trap arithmetic overflows

  461.   --samples=PATH           location of test samples for FATE, if not set use

  462.                            \$FATE_SAMPLES at make invocation time.

  463.   --enable-neon-clobber-test check NEON registers for clobbering (should be

  464.                            used only for debugging purposes)

  465.   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;

  466.                            should be used only for debugging purposes)

  467.   --enable-random          randomly enable/disable components

  468.   --disable-random

  469.   --enable-random=LIST     randomly enable/disable specific components or

  470.   --disable-random=LIST    component groups. LIST is a comma-separated list

  471.                            of NAME[:PROB] entries where NAME is a component

  472.                            (group) and PROB the probability associated with

  473.                            NAME (default 0.5).

  474.   --random-seed=VALUE      seed value for --enable/disable-random

  475.   --disable-valgrind-backtrace do not print a backtrace under Valgrind

  476.                            (only applies to --disable-optimizations builds)

  477.   --enable-ossfuzz         Enable building fuzzer tool

  478.   --libfuzzer=PATH         path to libfuzzer

  479.   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix

  480.                            in the name) of tests whose result is ignored

  481.   --enable-linux-perf      enable Linux Performance Monitor API

  482. 

  483. NOTE: Object files are built at the place where configure is launched.

  484. EOF

  485.   exit 0

  486. }

  487. 

  488. if test -t 1 && which tput >/dev/null 2>&1; then

  489.     ncolors=$(tput colors)

  490.     if test -n "$ncolors" && test $ncolors -ge 8; then

  491.         bold_color=$(tput bold)

  492.         warn_color=$(tput setaf 3)

  493.         error_color=$(tput setaf 1)

  494.         reset_color=$(tput sgr0)

  495.     fi

  496.     # 72 used instead of 80 since that's the default of pr

  497.     ncols=$(tput cols)

  498. fi

  499. : ${ncols:=72}

  500. 

  501. log(){

  502.     echo "$@" >> $logfile

  503. }

  504. 

  505. log_file(){

  506.     log BEGIN $1

  507.     pr -n -t $1 >> $logfile

  508.     log END $1

  509. }

  510. 

  511. warn(){

  512.     log "WARNING: $*"

  513.     WARNINGS="${WARNINGS}WARNING: $*\n"

  514. }

  515. 

  516. die(){

  517.     log "$@"

  518.     echo "$error_color$bold_color$@$reset_color"

  519.     cat <<EOF

  520. 

  521. If you think configure made a mistake, make sure you are using the latest

  522. version from Git.  If the latest version fails, report the problem to the

  523. ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.

  524. EOF

  525.     if disabled logging; then

  526.         cat <<EOF

  527. Rerun configure with logging enabled (do not use --disable-logging), and

  528. include the log this produces with your report.

  529. EOF

  530.     else

  531.         cat <<EOF

  532. Include the log file "$logfile" produced by configure as this will help

  533. solve the problem.

  534. EOF

  535.     fi

  536.     exit 1

  537. }

  538. 

  539. # Avoid locale weirdness, besides we really just want to translate ASCII.

  540. toupper(){

  541.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  542. }

  543. 

  544. tolower(){

  545.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  546. }

  547. 

  548. c_escape(){

  549.     echo "$*" | sed 's/["\\]/\\\0/g'

  550. }

  551. 

  552. sh_quote(){

  553.     v=$(echo "$1" | sed "s/'/'\\\\''/g")

  554.     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"

  555.     echo "$v"

  556. }

  557. 

  558. cleanws(){

  559.     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'

  560. }

  561. 

  562. filter(){

  563.     pat=$1

  564.     shift

  565.     for v; do

  566.         eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"

  567.     done

  568. }

  569. 

  570. filter_out(){

  571.     pat=$1

  572.     shift

  573.     for v; do

  574.         eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"

  575.     done

  576. }

  577. 

  578. map(){

  579.     m=$1

  580.     shift

  581.     for v; do eval $m; done

  582. }

  583. 

  584. add_suffix(){

  585.     suffix=$1

  586.     shift

  587.     for v; do echo ${v}${suffix}; done

  588. }

  589. 

  590. remove_suffix(){

  591.     suffix=$1

  592.     shift

  593.     for v; do echo ${v%$suffix}; done

  594. }

  595. 

  596. set_all(){

  597.     value=$1

  598.     shift

  599.     for var in $*; do

  600.         eval $var=$value

  601.     done

  602. }

  603. 

  604. set_weak(){

  605.     value=$1

  606.     shift

  607.     for var; do

  608.         eval : \${$var:=$value}

  609.     done

  610. }

  611. 

  612. sanitize_var_name(){

  613.     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'

  614. }

  615. 

  616. set_sanitized(){

  617.     var=$1

  618.     shift

  619.     eval $(sanitize_var_name "$var")='$*'

  620. }

  621. 

  622. get_sanitized(){

  623.     eval echo \$$(sanitize_var_name "$1")

  624. }

  625. 

  626. pushvar(){

  627.     for pvar in $*; do

  628.         eval level=\${${pvar}_level:=0}

  629.         eval ${pvar}_${level}="\$$pvar"

  630.         eval ${pvar}_level=$(($level+1))

  631.     done

  632. }

  633. 

  634. popvar(){

  635.     for pvar in $*; do

  636.         eval level=\${${pvar}_level:-0}

  637.         test $level = 0 && continue

  638.         eval level=$(($level-1))

  639.         eval $pvar="\${${pvar}_${level}}"

  640.         eval ${pvar}_level=$level

  641.         eval unset ${pvar}_${level}

  642.     done

  643. }

  644. 

  645. request(){

  646.     for var in $*; do

  647.         eval ${var}_requested=yes

  648.         eval $var=

  649.     done

  650. }

  651. 

  652. enable(){

  653.     set_all yes $*

  654. }

  655. 

  656. disable(){

  657.     set_all no $*

  658. }

  659. 

  660. enable_weak(){

  661.     set_weak yes $*

  662. }

  663. 

  664. disable_weak(){

  665.     set_weak no $*

  666. }

  667. 

  668. enable_sanitized(){

  669.     for var; do

  670.         enable $(sanitize_var_name $var)

  671.     done

  672. }

  673. 

  674. disable_sanitized(){

  675.     for var; do

  676.         disable $(sanitize_var_name $var)

  677.     done

  678. }

  679. 

  680. do_enable_deep(){

  681.     for var; do

  682.         enabled $var && continue

  683.         set -- $var

  684.         eval enable_deep \$${var}_select

  685.         var=$1

  686.         eval enable_deep_weak \$${var}_suggest

  687.     done

  688. }

  689. 

  690. enable_deep(){

  691.     do_enable_deep $*

  692.     enable $*

  693. }

  694. 

  695. enable_deep_weak(){

  696.     for var; do

  697.         disabled $var && continue

  698.         set -- $var

  699.         do_enable_deep $var

  700.         var=$1

  701.         enable_weak $var

  702.     done

  703. }

  704. 

  705. requested(){

  706.     test "${1#!}" = "$1" && op="=" || op="!="

  707.     eval test "x\$${1#!}_requested" $op "xyes"

  708. }

  709. 

  710. enabled(){

  711.     test "${1#!}" = "$1" && op="=" || op="!="

  712.     eval test "x\$${1#!}" $op "xyes"

  713. }

  714. 

  715. disabled(){

  716.     test "${1#!}" = "$1" && op="=" || op="!="

  717.     eval test "x\$${1#!}" $op "xno"

  718. }

  719. 

  720. enabled_all(){

  721.     for opt; do

  722.         enabled $opt || return 1

  723.     done

  724. }

  725. 

  726. disabled_all(){

  727.     for opt; do

  728.         disabled $opt || return 1

  729.     done

  730. }

  731. 

  732. enabled_any(){

  733.     for opt; do

  734.         enabled $opt && return 0

  735.     done

  736. }

  737. 

  738. disabled_any(){

  739.     for opt; do

  740.         disabled $opt && return 0

  741.     done

  742.     return 1

  743. }

  744. 

  745. set_default(){

  746.     for opt; do

  747.         eval : \${$opt:=\$${opt}_default}

  748.     done

  749. }

  750. 

  751. is_in(){

  752.     value=$1

  753.     shift

  754.     for var in $*; do

  755.         [ $var = $value ] && return 0

  756.     done

  757.     return 1

  758. }

  759. 

  760. # The cfg loop is very hot (several thousands iterations), and in bash also

  761. # potentialy quite slow. Try to abort the iterations early, preferably without

  762. # calling functions. 70%+ of the time cfg is already done or without deps.

  763. check_deps(){

  764.     for cfg; do

  765.         eval [ x\$${cfg}_checking = xdone ] && continue

  766.         eval [ x\$${cfg}_checking = xinprogress ] && die "Circular dependency for $cfg."

  767. 

  768.         eval "

  769.         dep_all=\$${cfg}_deps

  770.         dep_any=\$${cfg}_deps_any

  771.         dep_con=\$${cfg}_conflict

  772.         dep_sel=\$${cfg}_select

  773.         dep_sgs=\$${cfg}_suggest

  774.         dep_ifa=\$${cfg}_if

  775.         dep_ifn=\$${cfg}_if_any

  776.         "

  777. 

  778.         # most of the time here $cfg has no deps - avoid costly no-op work

  779.         if [ "$dep_all$dep_any$dep_con$dep_sel$dep_sgs$dep_ifa$dep_ifn" ]; then

  780.             eval ${cfg}_checking=inprogress

  781. 

  782.             set -- $cfg "$dep_all" "$dep_any" "$dep_con" "$dep_sel" "$dep_sgs" "$dep_ifa" "$dep_ifn"

  783.             check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn

  784.             cfg=$1; dep_all=$2; dep_any=$3; dep_con=$4; dep_sel=$5 dep_sgs=$6; dep_ifa=$7; dep_ifn=$8

  785. 

  786.             [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }

  787.             [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }

  788.             enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }

  789.             enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }

  790.             disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }

  791.             disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }

  792. 

  793.             enabled $cfg && enable_deep_weak $dep_sel $dep_sgs

  794. 

  795.             for dep in $dep_all $dep_any $dep_sel $dep_sgs; do

  796.                 # filter out library deps, these do not belong in extralibs

  797.                 is_in $dep $LIBRARY_LIST && continue

  798.                 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs

  799.             done

  800.         fi

  801. 

  802.         eval ${cfg}_checking=done

  803.     done

  804. }

  805. 

  806. print_config(){

  807.     pfx=$1

  808.     files=$2

  809.     shift 2

  810.     map 'eval echo "$v \${$v:-no}"' "$@" |

  811.     awk "BEGIN { split(\"$files\", files) }

  812.         {

  813.             c = \"$pfx\" toupper(\$1);

  814.             v = \$2;

  815.             sub(/yes/, 1, v);

  816.             sub(/no/,  0, v);

  817.             for (f in files) {

  818.                 file = files[f];

  819.                 if (file ~ /\\.h\$/) {

  820.                     printf(\"#define %s %d\\n\", c, v) >>file;

  821.                 } else if (file ~ /\\.asm\$/) {

  822.                     printf(\"%%define %s %d\\n\", c, v) >>file;

  823.                 } else if (file ~ /\\.mak\$/) {

  824.                     n = -v ? \"\" : \"!\";

  825.                     printf(\"%s%s=yes\\n\", n, c) >>file;

  826.                 } else if (file ~ /\\.texi\$/) {

  827.                     pre = -v ? \"\" : \"@c \";

  828.                     yesno = \$2;

  829.                     c2 = tolower(c);

  830.                     gsub(/_/, \"-\", c2);

  831.                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;

  832.                 }

  833.             }

  834.         }"

  835. }

  836. 

  837. print_enabled(){

  838.     suf=$1

  839.     shift

  840.     for v; do

  841.         enabled $v && printf "%s\n" ${v%$suf}

  842.     done

  843. }

  844. 

  845. append(){

  846.     var=$1

  847.     shift

  848.     eval "$var=\"\$$var $*\""

  849. }

  850. 

  851. prepend(){

  852.     var=$1

  853.     shift

  854.     eval "$var=\"$* \$$var\""

  855. }

  856. 

  857. reverse () {

  858.     eval '

  859.         reverse_out=

  860.         for v in $'$1'; do

  861.             reverse_out="$v $reverse_out"

  862.         done

  863.         '$1'=$reverse_out

  864.     '

  865. }

  866. 

  867. # keeps the last occurence of each non-unique item

  868. unique(){

  869.     unique_out=

  870.     eval unique_in=\$$1

  871.     reverse unique_in

  872.     for v in $unique_in; do

  873.         # " $unique_out" +space such that every item is surrounded with spaces

  874.         case " $unique_out" in *" $v "*) continue; esac  # already in list

  875.         unique_out="$unique_out$v "

  876.     done

  877.     reverse unique_out

  878.     eval $1=\$unique_out

  879. }

  880. 

  881. resolve(){

  882.     resolve_out=

  883.     eval resolve_in=\$$1

  884.     for v in $resolve_in; do

  885.         eval 'resolve_out="$resolve_out$'$v' "'

  886.     done

  887.     eval $1=\$resolve_out

  888. }

  889. 

  890. add_cppflags(){

  891.     append CPPFLAGS "$@"

  892. }

  893. 

  894. add_cflags(){

  895.     append CFLAGS $($cflags_filter "$@")

  896. }

  897. 

  898. add_cflags_headers(){

  899.     append CFLAGS_HEADERS $($cflags_filter "$@")

  900. }

  901. 

  902. add_cxxflags(){

  903.     append CXXFLAGS $($cflags_filter "$@")

  904. }

  905. 

  906. add_objcflags(){

  907.     append OBJCFLAGS $($objcflags_filter "$@")

  908. }

  909. 

  910. add_asflags(){

  911.     append ASFLAGS $($asflags_filter "$@")

  912. }

  913. 

  914. add_ldflags(){

  915.     append LDFLAGS $($ldflags_filter "$@")

  916. }

  917. 

  918. add_ldexeflags(){

  919.     append LDEXEFLAGS $($ldflags_filter "$@")

  920. }

  921. 

  922. add_ldsoflags(){

  923.     append LDSOFLAGS $($ldflags_filter "$@")

  924. }

  925. 

  926. add_extralibs(){

  927.     prepend extralibs $($ldflags_filter "$@")

  928. }

  929. 

  930. add_stripflags(){

  931.     append ASMSTRIPFLAGS "$@"

  932. }

  933. 

  934. add_host_cppflags(){

  935.     append host_cppflags "$@"

  936. }

  937. 

  938. add_host_cflags(){

  939.     append host_cflags $($host_cflags_filter "$@")

  940. }

  941. 

  942. add_host_ldflags(){

  943.     append host_ldflags $($host_ldflags_filter "$@")

  944. }

  945. 

  946. add_compat(){

  947.     append compat_objs $1

  948.     shift

  949.     map 'add_cppflags -D$v' "$@"

  950. }

  951. 

  952. test_cmd(){

  953.     log "$@"

  954.     "$@" >> $logfile 2>&1

  955. }

  956. 

  957. test_stat(){

  958.     log test_stat "$@"

  959.     stat "$1" >> $logfile 2>&1

  960. }

  961. 

  962. cc_e(){

  963.     eval printf '%s\\n' $CC_E

  964. }

  965. 

  966. cc_o(){

  967.     eval printf '%s\\n' $CC_O

  968. }

  969. 

  970. as_o(){

  971.     eval printf '%s\\n' $AS_O

  972. }

  973. 

  974. x86asm_o(){

  975.     eval printf '%s\\n' $X86ASM_O

  976. }

  977. 

  978. ld_o(){

  979.     eval printf '%s\\n' $LD_O

  980. }

  981. 

  982. hostcc_e(){

  983.     eval printf '%s\\n' $HOSTCC_E

  984. }

  985. 

  986. hostcc_o(){

  987.     eval printf '%s\\n' $HOSTCC_O

  988. }

  989. 

  990. test_cc(){

  991.     log test_cc "$@"

  992.     cat > $TMPC

  993.     log_file $TMPC

  994.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC

  995. }

  996. 

  997. test_cxx(){

  998.     log test_cxx "$@"

  999.     cat > $TMPCPP

  1000.     log_file $TMPCPP

  1001.     test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP

  1002. }

  1003. 

  1004. test_objcc(){

  1005.     log test_objcc "$@"

  1006.     cat > $TMPM

  1007.     log_file $TMPM

  1008.     test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM

  1009. }

  1010. 

  1011. test_cpp(){

  1012.     log test_cpp "$@"

  1013.     cat > $TMPC

  1014.     log_file $TMPC

  1015.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC

  1016. }

  1017. 

  1018. test_as(){

  1019.     log test_as "$@"

  1020.     cat > $TMPS

  1021.     log_file $TMPS

  1022.     test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS

  1023. }

  1024. 

  1025. test_x86asm(){

  1026.     log test_x86asm "$@"

  1027.     echo "$1" > $TMPASM

  1028.     log_file $TMPASM

  1029.     shift

  1030.     test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM

  1031. }

  1032. 

  1033. check_cmd(){

  1034.     log check_cmd "$@"

  1035.     cmd=$1

  1036.     disabled $cmd && return

  1037.     disable $cmd

  1038.     test_cmd $@ && enable $cmd

  1039. }

  1040. 

  1041. check_as(){

  1042.     log check_as "$@"

  1043.     name=$1

  1044.     code=$2

  1045.     shift 2

  1046.     disable $name

  1047.     test_as $@ <<EOF && enable $name

  1048. $code

  1049. EOF

  1050. }

  1051. 

  1052. check_inline_asm(){

  1053.     log check_inline_asm "$@"

  1054.     name="$1"

  1055.     code="$2"

  1056.     shift 2

  1057.     disable $name

  1058.     test_cc "$@" <<EOF && enable $name

  1059. void foo(void){ __asm__ volatile($code); }

  1060. EOF

  1061. }

  1062. 

  1063. check_inline_asm_flags(){

  1064.     log check_inline_asm_flags "$@"

  1065.     name="$1"

  1066.     code="$2"

  1067.     flags=''

  1068.     shift 2

  1069.     while [ "$1" != "" ]; do

  1070.       append flags $1

  1071.       shift

  1072.     done;

  1073.     disable $name

  1074.     cat > $TMPC <<EOF

  1075. void foo(void){ __asm__ volatile($code); }

  1076. EOF

  1077.     log_file $TMPC

  1078.     test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&

  1079.     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags

  1080. }

  1081. 

  1082. check_insn(){

  1083.     log check_insn "$@"

  1084.     check_inline_asm ${1}_inline "\"$2\""

  1085.     check_as ${1}_external "$2"

  1086. }

  1087. 

  1088. check_x86asm(){

  1089.     log check_x86asm "$@"

  1090.     name=$1

  1091.     shift

  1092.     disable $name

  1093.     test_x86asm "$@" && enable $name

  1094. }

  1095. 

  1096. test_ld(){

  1097.     log test_ld "$@"

  1098.     type=$1

  1099.     shift 1

  1100.     flags=$(filter_out '-l*|*.so' $@)

  1101.     libs=$(filter '-l*|*.so' $@)

  1102.     test_$type $($cflags_filter $flags) || return

  1103.     flags=$($ldflags_filter $flags)

  1104.     libs=$($ldflags_filter $libs)

  1105.     test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  1106. }

  1107. 

  1108. check_ld(){

  1109.     log check_ld "$@"

  1110.     type=$1

  1111.     name=$2

  1112.     shift 2

  1113.     disable $name

  1114.     test_ld $type $@ && enable $name

  1115. }

  1116. 

  1117. print_include(){

  1118.     hdr=$1

  1119.     test "${hdr%.h}" = "${hdr}" &&

  1120.         echo "#include $hdr"    ||

  1121.         echo "#include <$hdr>"

  1122. }

  1123. 

  1124. test_code(){

  1125.     log test_code "$@"

  1126.     check=$1

  1127.     headers=$2

  1128.     code=$3

  1129.     shift 3

  1130.     {

  1131.         for hdr in $headers; do

  1132.             print_include $hdr

  1133.         done

  1134.         echo "int main(void) { $code; return 0; }"

  1135.     } | test_$check "$@"

  1136. }

  1137. 

  1138. check_cppflags(){

  1139.     log check_cppflags "$@"

  1140.     test_cpp "$@" <<EOF && append CPPFLAGS "$@"

  1141. #include <stdlib.h>

  1142. EOF

  1143. }

  1144. 

  1145. test_cflags(){

  1146.     log test_cflags "$@"

  1147.     set -- $($cflags_filter "$@")

  1148.     test_cc "$@" <<EOF

  1149. int x;

  1150. EOF

  1151. }

  1152. 

  1153. check_cflags(){

  1154.     log check_cflags "$@"

  1155.     test_cflags "$@" && add_cflags "$@"

  1156. }

  1157. 

  1158. check_cxxflags(){

  1159.     log check_cxxflags "$@"

  1160.     set -- $($cflags_filter "$@")

  1161.     test_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1162. int x;

  1163. EOF

  1164. }

  1165. 

  1166. test_objcflags(){

  1167.     log test_objcflags "$@"

  1168.     set -- $($objcflags_filter "$@")

  1169.     test_objcc "$@" <<EOF

  1170. int x;

  1171. EOF

  1172. }

  1173. 

  1174. check_objcflags(){

  1175.     log check_objcflags "$@"

  1176.     test_objcflags "$@" && add_objcflags "$@"

  1177. }

  1178. 

  1179. test_ldflags(){

  1180.     log test_ldflags "$@"

  1181.     set -- $($ldflags_filter "$@")

  1182.     test_ld "cc" "$@" <<EOF

  1183. int main(void){ return 0; }

  1184. EOF

  1185. }

  1186. 

  1187. check_ldflags(){

  1188.     log check_ldflags "$@"

  1189.     test_ldflags "$@" && add_ldflags "$@"

  1190. }

  1191. 

  1192. test_stripflags(){

  1193.     log test_stripflags "$@"

  1194.     # call test_cc to get a fresh TMPO

  1195.     test_cc <<EOF

  1196. int main(void) { return 0; }

  1197. EOF

  1198.     test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1199. }

  1200. 

  1201. check_stripflags(){

  1202.     log check_stripflags "$@"

  1203.     test_stripflags "$@" && add_stripflags "$@"

  1204. }

  1205. 

  1206. check_headers(){

  1207.     log check_headers "$@"

  1208.     headers=$1

  1209.     shift

  1210.     disable_sanitized $headers

  1211.     {

  1212.         for hdr in $headers; do

  1213.             print_include $hdr

  1214.         done

  1215.         echo "int x;"

  1216.     } | test_cpp "$@" && enable_sanitized $headers

  1217. }

  1218. 

  1219. check_header_objcc(){

  1220.     log check_header_objcc "$@"

  1221.     rm -f -- "$TMPO"

  1222.     header=$1

  1223.     shift

  1224.     disable_sanitized $header

  1225.     {

  1226.        echo "#include <$header>"

  1227.        echo "int main(void) { return 0; }"

  1228.     } | test_objcc && test_stat "$TMPO" && enable_sanitized $header

  1229. }

  1230. 

  1231. check_apple_framework(){

  1232.     log check_apple_framework "$@"

  1233.     framework="$1"

  1234.     name="$(tolower $framework)"

  1235.     header="${framework}/${framework}.h"

  1236.     disable $name

  1237.     check_header_objcc $header &&

  1238.         enable $name && eval ${name}_extralibs='"-framework $framework"'

  1239. }

  1240. 

  1241. check_func(){

  1242.     log check_func "$@"

  1243.     func=$1

  1244.     shift

  1245.     disable $func

  1246.     test_ld "cc" "$@" <<EOF && enable $func

  1247. extern int $func();

  1248. int main(void){ $func(); }

  1249. EOF

  1250. }

  1251. 

  1252. check_complexfunc(){

  1253.     log check_complexfunc "$@"

  1254.     func=$1

  1255.     narg=$2

  1256.     shift 2

  1257.     test $narg = 2 && args="f, g" || args="f * I"

  1258.     disable $func

  1259.     test_ld "cc" "$@" <<EOF && enable $func

  1260. #include <complex.h>

  1261. #include <math.h>

  1262. float foo(complex float f, complex float g) { return $func($args); }

  1263. int main(void){ return (int) foo; }

  1264. EOF

  1265. }

  1266. 

  1267. check_mathfunc(){

  1268.     log check_mathfunc "$@"

  1269.     func=$1

  1270.     narg=$2

  1271.     shift 2

  1272.     test $narg = 2 && args="f, g" || args="f"

  1273.     disable $func

  1274.     test_ld "cc" "$@" <<EOF && enable $func

  1275. #include <math.h>

  1276. float foo(float f, float g) { return $func($args); }

  1277. int main(void){ return (int) foo; }

  1278. EOF

  1279. }

  1280. 

  1281. check_func_headers(){

  1282.     log check_func_headers "$@"

  1283.     headers=$1

  1284.     funcs=$2

  1285.     shift 2

  1286.     {

  1287.         for hdr in $headers; do

  1288.             print_include $hdr

  1289.         done

  1290.         echo "#include <stdint.h>"

  1291.         for func in $funcs; do

  1292.             echo "long check_$func(void) { return (long) $func; }"

  1293.         done

  1294.         echo "int main(void) { int ret = 0;"

  1295.         # LTO could optimize out the test functions without this

  1296.         for func in $funcs; do

  1297.             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"

  1298.         done

  1299.         echo "return ret; }"

  1300.     } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers

  1301. }

  1302. 

  1303. check_class_headers_cpp(){

  1304.     log check_class_headers_cpp "$@"

  1305.     headers=$1

  1306.     classes=$2

  1307.     shift 2

  1308.     {

  1309.         for hdr in $headers; do

  1310.             echo "#include <$hdr>"

  1311.         done

  1312.         echo "int main(void) { "

  1313.         i=1

  1314.         for class in $classes; do

  1315.             echo "$class obj$i;"

  1316.             i=$(expr $i + 1)

  1317.         done

  1318.         echo "return 0; }"

  1319.     } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers

  1320. }

  1321. 

  1322. test_cpp_condition(){

  1323.     log test_cpp_condition "$@"

  1324.     header=$1

  1325.     condition=$2

  1326.     shift 2

  1327.     test_cpp "$@" <<EOF

  1328. #include <$header>

  1329. #if !($condition)

  1330. #error "unsatisfied condition: $condition"

  1331. #endif

  1332. EOF

  1333. }

  1334. 

  1335. check_cpp_condition(){

  1336.     log check_cpp_condition "$@"

  1337.     name=$1

  1338.     shift 1

  1339.     disable $name

  1340.     test_cpp_condition "$@" && enable $name

  1341. }

  1342. 

  1343. test_cflags_cc(){

  1344.     log test_cflags_cc "$@"

  1345.     flags=$1

  1346.     header=$2

  1347.     condition=$3

  1348.     shift 3

  1349.     set -- $($cflags_filter "$flags")

  1350.     test_cc "$@" <<EOF

  1351. #include <$header>

  1352. #if !($condition)

  1353. #error "unsatisfied condition: $condition"

  1354. #endif

  1355. EOF

  1356. }

  1357. 

  1358. check_lib(){

  1359.     log check_lib "$@"

  1360.     name="$1"

  1361.     headers="$2"

  1362.     funcs="$3"

  1363.     shift 3

  1364.     disable $name

  1365.     check_func_headers "$headers" "$funcs" "$@" &&

  1366.         enable $name && eval ${name}_extralibs="\$@"

  1367. }

  1368. 

  1369. check_lib_cpp(){

  1370.     log check_lib_cpp "$@"

  1371.     name="$1"

  1372.     headers="$2"

  1373.     classes="$3"

  1374.     shift 3

  1375.     disable $name

  1376.     check_class_headers_cpp "$headers" "$classes" "$@" &&

  1377.         enable $name && eval ${name}_extralibs="\$@"

  1378. }

  1379. 

  1380. test_pkg_config(){

  1381.     log test_pkg_config "$@"

  1382.     name="$1"

  1383.     pkg_version="$2"

  1384.     pkg="${2%% *}"

  1385.     headers="$3"

  1386.     funcs="$4"

  1387.     shift 4

  1388.     disable $name

  1389.     test_cmd $pkg_config --exists --print-errors $pkg_version || return

  1390.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1391.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1392.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1393.         enable $name &&

  1394.         set_sanitized "${name}_cflags"    $pkg_cflags &&

  1395.         set_sanitized "${name}_extralibs" $pkg_libs

  1396. }

  1397. 

  1398. check_pkg_config(){

  1399.     log check_pkg_config "$@"

  1400.     name="$1"

  1401.     test_pkg_config "$@" &&

  1402.         eval add_cflags \$${name}_cflags

  1403. }

  1404. 

  1405. test_exec(){

  1406.     test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1407. }

  1408. 

  1409. check_exec_crash(){

  1410.     log check_exec_crash "$@"

  1411.     code=$(cat)

  1412. 

  1413.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1414.     # are safe but may not be available everywhere.  Thus we use

  1415.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1416.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1417.     # is not defined by standard C so it is used conditionally.

  1418. 

  1419.     (test_exec "$@") >> $logfile 2>&1 <<EOF

  1420. #include <signal.h>

  1421. static void sighandler(int sig){

  1422.     raise(SIGTERM);

  1423. }

  1424. int foo(void){

  1425.     $code

  1426. }

  1427. int (*func_ptr)(void) = foo;

  1428. int main(void){

  1429.     signal(SIGILL, sighandler);

  1430.     signal(SIGFPE, sighandler);

  1431.     signal(SIGSEGV, sighandler);

  1432. #ifdef SIGBUS

  1433.     signal(SIGBUS, sighandler);

  1434. #endif

  1435.     return func_ptr();

  1436. }

  1437. EOF

  1438. }

  1439. 

  1440. check_type(){

  1441.     log check_type "$@"

  1442.     headers=$1

  1443.     type=$2

  1444.     shift 2

  1445.     disable_sanitized "$type"

  1446.     test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"

  1447. }

  1448. 

  1449. check_struct(){

  1450.     log check_struct "$@"

  1451.     headers=$1

  1452.     struct=$2

  1453.     member=$3

  1454.     shift 3

  1455.     disable_sanitized "${struct}_${member}"

  1456.     test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1457.         enable_sanitized "${struct}_${member}"

  1458. }

  1459. 

  1460. check_builtin(){

  1461.     log check_builtin "$@"

  1462.     name=$1

  1463.     headers=$2

  1464.     builtin=$3

  1465.     shift 3

  1466.     disable "$name"

  1467.     test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1468. }

  1469. 

  1470. check_compile_assert(){

  1471.     log check_compile_assert "$@"

  1472.     name=$1

  1473.     headers=$2

  1474.     condition=$3

  1475.     shift 3

  1476.     disable "$name"

  1477.     test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1478. }

  1479. 

  1480. check_cc(){

  1481.     log check_cc "$@"

  1482.     name=$1

  1483.     shift

  1484.     disable "$name"

  1485.     test_code cc "$@" && enable "$name"

  1486. }

  1487. 

  1488. require(){

  1489.     log require "$@"

  1490.     name_version="$1"

  1491.     name="${1%% *}"

  1492.     shift

  1493.     check_lib $name "$@" || die "ERROR: $name_version not found"

  1494. }

  1495. 

  1496. require_cc(){

  1497.     log require_cc "$@"

  1498.     name="$1"

  1499.     check_cc "$@" || die "ERROR: $name failed"

  1500. }

  1501. 

  1502. require_cpp(){

  1503.     name="$1"

  1504.     headers="$2"

  1505.     classes="$3"

  1506.     shift 3

  1507.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1508. }

  1509. 

  1510. require_headers(){

  1511.     log require_headers "$@"

  1512.     headers="$1"

  1513.     check_headers "$@" || die "ERROR: $headers not found"

  1514. }

  1515. 

  1516. require_cpp_condition(){

  1517.     log require_cpp_condition "$@"

  1518.     condition="$3"

  1519.     check_cpp_condition "$@" || die "ERROR: $condition not satisfied"

  1520. }

  1521. 

  1522. require_pkg_config(){

  1523.     log require_pkg_config "$@"

  1524.     pkg_version="$2"

  1525.     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"

  1526. }

  1527. 

  1528. test_host_cc(){

  1529.     log test_host_cc "$@"

  1530.     cat > $TMPC

  1531.     log_file $TMPC

  1532.     test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1533. }

  1534. 

  1535. test_host_cpp(){

  1536.     log test_host_cpp "$@"

  1537.     cat > $TMPC

  1538.     log_file $TMPC

  1539.     test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1540. }

  1541. 

  1542. check_host_cppflags(){

  1543.     log check_host_cppflags "$@"

  1544.     test_host_cpp "$@" <<EOF && append host_cppflags "$@"

  1545. #include <stdlib.h>

  1546. EOF

  1547. }

  1548. 

  1549. check_host_cflags(){

  1550.     log check_host_cflags "$@"

  1551.     set -- $($host_cflags_filter "$@")

  1552.     test_host_cc "$@" <<EOF && append host_cflags "$@"

  1553. int x;

  1554. EOF

  1555. }

  1556. 

  1557. test_host_cpp_condition(){

  1558.     log test_host_cpp_condition "$@"

  1559.     header=$1

  1560.     condition=$2

  1561.     shift 2

  1562.     test_host_cpp "$@" <<EOF

  1563. #include <$header>

  1564. #if !($condition)

  1565. #error "unsatisfied condition: $condition"

  1566. #endif

  1567. EOF

  1568. }

  1569. 

  1570. check_host_cpp_condition(){

  1571.     log check_host_cpp_condition "$@"

  1572.     name=$1

  1573.     shift 1

  1574.     disable $name

  1575.     test_host_cpp_condition "$@" && enable $name

  1576. }

  1577. 

  1578. cp_if_changed(){

  1579.     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return

  1580.     mkdir -p "$(dirname $2)"

  1581.     cp -f "$1" "$2"

  1582. }

  1583. 

  1584. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1585. # system-dependent things.

  1586. 

  1587. AVCODEC_COMPONENTS="

  1588.     bsfs

  1589.     decoders

  1590.     encoders

  1591.     hwaccels

  1592.     parsers

  1593. "

  1594. 

  1595. AVDEVICE_COMPONENTS="

  1596.     indevs

  1597.     outdevs

  1598. "

  1599. 

  1600. AVFILTER_COMPONENTS="

  1601.     filters

  1602. "

  1603. 

  1604. AVFORMAT_COMPONENTS="

  1605.     demuxers

  1606.     muxers

  1607.     protocols

  1608. "

  1609. 

  1610. COMPONENT_LIST="

  1611.     $AVCODEC_COMPONENTS

  1612.     $AVDEVICE_COMPONENTS

  1613.     $AVFILTER_COMPONENTS

  1614.     $AVFORMAT_COMPONENTS

  1615. "

  1616. 

  1617. EXAMPLE_LIST="

  1618.     avio_dir_cmd_example

  1619.     avio_reading_example

  1620.     decode_audio_example

  1621.     decode_video_example

  1622.     demuxing_decoding_example

  1623.     encode_audio_example

  1624.     encode_video_example

  1625.     extract_mvs_example

  1626.     filter_audio_example

  1627.     filtering_audio_example

  1628.     filtering_video_example

  1629.     http_multiclient_example

  1630.     hw_decode_example

  1631.     metadata_example

  1632.     muxing_example

  1633.     qsvdec_example

  1634.     remuxing_example

  1635.     resampling_audio_example

  1636.     scaling_video_example

  1637.     transcode_aac_example

  1638.     transcoding_example

  1639.     vaapi_encode_example

  1640.     vaapi_transcode_example

  1641. "

  1642. 

  1643. EXTERNAL_AUTODETECT_LIBRARY_LIST="

  1644.     alsa

  1645.     appkit

  1646.     avfoundation

  1647.     bzlib

  1648.     coreimage

  1649.     iconv

  1650.     libxcb

  1651.     libxcb_shm

  1652.     libxcb_shape

  1653.     libxcb_xfixes

  1654.     lzma

  1655.     schannel

  1656.     sdl2

  1657.     securetransport

  1658.     sndio

  1659.     xlib

  1660.     zlib

  1661. "

  1662. 

  1663. EXTERNAL_LIBRARY_GPL_LIST="

  1664.     avisynth

  1665.     frei0r

  1666.     libcdio

  1667.     libdavs2

  1668.     librubberband

  1669.     libvidstab

  1670.     libx264

  1671.     libx265

  1672.     libxavs

  1673.     libxavs2

  1674.     libxvid

  1675. "

  1676. 

  1677. EXTERNAL_LIBRARY_NONFREE_LIST="

  1678.     decklink

  1679.     libndi_newtek

  1680.     libfdk_aac

  1681.     openssl

  1682.     libtls

  1683. "

  1684. 

  1685. EXTERNAL_LIBRARY_VERSION3_LIST="

  1686.     gmp

  1687.     libaribb24

  1688.     liblensfun

  1689.     libopencore_amrnb

  1690.     libopencore_amrwb

  1691.     libvmaf

  1692.     libvo_amrwbenc

  1693.     mbedtls

  1694.     rkmpp

  1695. "

  1696. 

  1697. EXTERNAL_LIBRARY_GPLV3_LIST="

  1698.     libsmbclient

  1699. "

  1700. 

  1701. EXTERNAL_LIBRARY_LIST="

  1702.     $EXTERNAL_LIBRARY_GPL_LIST

  1703.     $EXTERNAL_LIBRARY_NONFREE_LIST

  1704.     $EXTERNAL_LIBRARY_VERSION3_LIST

  1705.     $EXTERNAL_LIBRARY_GPLV3_LIST

  1706.     chromaprint

  1707.     gcrypt

  1708.     gnutls

  1709.     jni

  1710.     ladspa

  1711.     libaom

  1712.     libass

  1713.     libbluray

  1714.     libbs2b

  1715.     libcaca

  1716.     libcelt

  1717.     libcodec2

  1718.     libdav1d

  1719.     libdc1394

  1720.     libdrm

  1721.     libflite

  1722.     libfontconfig

  1723.     libfreetype

  1724.     libfribidi

  1725.     libgme

  1726.     libgsm

  1727.     libiec61883

  1728.     libilbc

  1729.     libjack

  1730.     libklvanc

  1731.     libkvazaar

  1732.     libmodplug

  1733.     libmp3lame

  1734.     libmysofa

  1735.     libopencv

  1736.     libopenh264

  1737.     libopenjpeg

  1738.     libopenmpt

  1739.     libopus

  1740.     libpulse

  1741.     librsvg

  1742.     librtmp

  1743.     libshine

  1744.     libsmbclient

  1745.     libsnappy

  1746.     libsoxr

  1747.     libspeex

  1748.     libsrt

  1749.     libssh

  1750.     libtensorflow

  1751.     libtesseract

  1752.     libtheora

  1753.     libtwolame

  1754.     libv4l2

  1755.     libvorbis

  1756.     libvpx

  1757.     libwavpack

  1758.     libwebp

  1759.     libxml2

  1760.     libzimg

  1761.     libzmq

  1762.     libzvbi

  1763.     lv2

  1764.     mediacodec

  1765.     openal

  1766.     opengl

  1767.     vapoursynth

  1768. "

  1769. 

  1770. HWACCEL_AUTODETECT_LIBRARY_LIST="

  1771.     amf

  1772.     audiotoolbox

  1773.     crystalhd

  1774.     cuda

  1775.     cuvid

  1776.     d3d11va

  1777.     dxva2

  1778.     ffnvcodec

  1779.     nvdec

  1780.     nvenc

  1781.     vaapi

  1782.     vdpau

  1783.     videotoolbox

  1784.     v4l2_m2m

  1785.     xvmc

  1786. "

  1787. 

  1788. # catchall list of things that require external libs to link

  1789. EXTRALIBS_LIST="

  1790.     cpu_init

  1791.     cws2fws

  1792. "

  1793. 

  1794. HWACCEL_LIBRARY_NONFREE_LIST="

  1795.     cuda_sdk

  1796.     libnpp

  1797. "

  1798. 

  1799. HWACCEL_LIBRARY_LIST="

  1800.     $HWACCEL_LIBRARY_NONFREE_LIST

  1801.     libmfx

  1802.     mmal

  1803.     omx

  1804.     opencl

  1805. "

  1806. 

  1807. DOCUMENT_LIST="

  1808.     doc

  1809.     htmlpages

  1810.     manpages

  1811.     podpages

  1812.     txtpages

  1813. "

  1814. 

  1815. FEATURE_LIST="

  1816.     ftrapv

  1817.     gray

  1818.     hardcoded_tables

  1819.     omx_rpi

  1820.     runtime_cpudetect

  1821.     safe_bitstream_reader

  1822.     shared

  1823.     small

  1824.     static

  1825.     swscale_alpha

  1826. "

  1827. 

  1828. # this list should be kept in linking order

  1829. LIBRARY_LIST="

  1830.     avdevice

  1831.     avfilter

  1832.     swscale

  1833.     postproc

  1834.     avformat

  1835.     avcodec

  1836.     swresample

  1837.     avresample

  1838.     avutil

  1839. "

  1840. 

  1841. LICENSE_LIST="

  1842.     gpl

  1843.     nonfree

  1844.     version3

  1845. "

  1846. 

  1847. PROGRAM_LIST="

  1848.     ffplay

  1849.     ffprobe

  1850.     ffmpeg

  1851. "

  1852. 

  1853. SUBSYSTEM_LIST="

  1854.     dct

  1855.     dwt

  1856.     error_resilience

  1857.     faan

  1858.     fast_unaligned

  1859.     fft

  1860.     lsp

  1861.     lzo

  1862.     mdct

  1863.     pixelutils

  1864.     network

  1865.     rdft

  1866. "

  1867. 

  1868. # COMPONENT_LIST needs to come last to ensure correct dependency checking

  1869. CONFIG_LIST="

  1870.     $DOCUMENT_LIST

  1871.     $EXAMPLE_LIST

  1872.     $EXTERNAL_LIBRARY_LIST

  1873.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1874.     $HWACCEL_LIBRARY_LIST

  1875.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1876.     $FEATURE_LIST

  1877.     $LICENSE_LIST

  1878.     $LIBRARY_LIST

  1879.     $PROGRAM_LIST

  1880.     $SUBSYSTEM_LIST

  1881.     autodetect

  1882.     fontconfig

  1883.     linux_perf

  1884.     memory_poisoning

  1885.     neon_clobber_test

  1886.     ossfuzz

  1887.     pic

  1888.     thumb

  1889.     valgrind_backtrace

  1890.     xmm_clobber_test

  1891.     $COMPONENT_LIST

  1892. "

  1893. 

  1894. THREADS_LIST="

  1895.     pthreads

  1896.     os2threads

  1897.     w32threads

  1898. "

  1899. 

  1900. ATOMICS_LIST="

  1901.     atomics_gcc

  1902.     atomics_suncc

  1903.     atomics_win32

  1904. "

  1905. 

  1906. AUTODETECT_LIBS="

  1907.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1908.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1909.     $THREADS_LIST

  1910. "

  1911. 

  1912. ARCH_LIST="

  1913.     aarch64

  1914.     alpha

  1915.     arm

  1916.     avr32

  1917.     avr32_ap

  1918.     avr32_uc

  1919.     bfin

  1920.     ia64

  1921.     m68k

  1922.     mips

  1923.     mips64

  1924.     parisc

  1925.     ppc

  1926.     ppc64

  1927.     s390

  1928.     sh4

  1929.     sparc

  1930.     sparc64

  1931.     tilegx

  1932.     tilepro

  1933.     tomi

  1934.     x86

  1935.     x86_32

  1936.     x86_64

  1937. "

  1938. 

  1939. ARCH_EXT_LIST_ARM="

  1940.     armv5te

  1941.     armv6

  1942.     armv6t2

  1943.     armv8

  1944.     neon

  1945.     vfp

  1946.     vfpv3

  1947.     setend

  1948. "

  1949. 

  1950. ARCH_EXT_LIST_MIPS="

  1951.     mipsfpu

  1952.     mips32r2

  1953.     mips32r5

  1954.     mips64r2

  1955.     mips32r6

  1956.     mips64r6

  1957.     mipsdsp

  1958.     mipsdspr2

  1959.     msa

  1960. "

  1961. 

  1962. ARCH_EXT_LIST_LOONGSON="

  1963.     loongson2

  1964.     loongson3

  1965.     mmi

  1966. "

  1967. 

  1968. ARCH_EXT_LIST_X86_SIMD="

  1969.     aesni

  1970.     amd3dnow

  1971.     amd3dnowext

  1972.     avx

  1973.     avx2

  1974.     avx512

  1975.     fma3

  1976.     fma4

  1977.     mmx

  1978.     mmxext

  1979.     sse

  1980.     sse2

  1981.     sse3

  1982.     sse4

  1983.     sse42

  1984.     ssse3

  1985.     xop

  1986. "

  1987. 

  1988. ARCH_EXT_LIST_PPC="

  1989.     altivec

  1990.     dcbzl

  1991.     ldbrx

  1992.     power8

  1993.     ppc4xx

  1994.     vsx

  1995. "

  1996. 

  1997. ARCH_EXT_LIST_X86="

  1998.     $ARCH_EXT_LIST_X86_SIMD

  1999.     cpunop

  2000.     i686

  2001. "

  2002. 

  2003. ARCH_EXT_LIST="

  2004.     $ARCH_EXT_LIST_ARM

  2005.     $ARCH_EXT_LIST_PPC

  2006.     $ARCH_EXT_LIST_X86

  2007.     $ARCH_EXT_LIST_MIPS

  2008.     $ARCH_EXT_LIST_LOONGSON

  2009. "

  2010. 

  2011. ARCH_FEATURES="

  2012.     aligned_stack

  2013.     fast_64bit

  2014.     fast_clz

  2015.     fast_cmov

  2016.     local_aligned

  2017.     simd_align_16

  2018.     simd_align_32

  2019.     simd_align_64

  2020. "

  2021. 

  2022. BUILTIN_LIST="

  2023.     atomic_cas_ptr

  2024.     machine_rw_barrier

  2025.     MemoryBarrier

  2026.     mm_empty

  2027.     rdtsc

  2028.     sem_timedwait

  2029.     sync_val_compare_and_swap

  2030. "

  2031. HAVE_LIST_CMDLINE="

  2032.     inline_asm

  2033.     symver

  2034.     x86asm

  2035. "

  2036. 

  2037. HAVE_LIST_PUB="

  2038.     bigendian

  2039.     fast_unaligned

  2040. "

  2041. 

  2042. HEADERS_LIST="

  2043.     arpa_inet_h

  2044.     asm_types_h

  2045.     cdio_paranoia_h

  2046.     cdio_paranoia_paranoia_h

  2047.     cuda_h

  2048.     dispatch_dispatch_h

  2049.     dev_bktr_ioctl_bt848_h

  2050.     dev_bktr_ioctl_meteor_h

  2051.     dev_ic_bt8xx_h

  2052.     dev_video_bktr_ioctl_bt848_h

  2053.     dev_video_meteor_ioctl_meteor_h

  2054.     direct_h

  2055.     dirent_h

  2056.     dxgidebug_h

  2057.     dxva_h

  2058.     ES2_gl_h

  2059.     gsm_h

  2060.     io_h

  2061.     linux_perf_event_h

  2062.     machine_ioctl_bt848_h

  2063.     machine_ioctl_meteor_h

  2064.     malloc_h

  2065.     opencv2_core_core_c_h

  2066.     OpenGL_gl3_h

  2067.     poll_h

  2068.     sys_param_h

  2069.     sys_resource_h

  2070.     sys_select_h

  2071.     sys_soundcard_h

  2072.     sys_time_h

  2073.     sys_un_h

  2074.     sys_videoio_h

  2075.     termios_h

  2076.     udplite_h

  2077.     unistd_h

  2078.     valgrind_valgrind_h

  2079.     windows_h

  2080.     winsock2_h

  2081. "

  2082. 

  2083. INTRINSICS_LIST="

  2084.     intrinsics_neon

  2085. "

  2086. 

  2087. COMPLEX_FUNCS="

  2088.     cabs

  2089.     cexp

  2090. "

  2091. 

  2092. MATH_FUNCS="

  2093.     atanf

  2094.     atan2f

  2095.     cbrt

  2096.     cbrtf

  2097.     copysign

  2098.     cosf

  2099.     erf

  2100.     exp2

  2101.     exp2f

  2102.     expf

  2103.     hypot

  2104.     isfinite

  2105.     isinf

  2106.     isnan

  2107.     ldexpf

  2108.     llrint

  2109.     llrintf

  2110.     log2

  2111.     log2f

  2112.     log10f

  2113.     lrint

  2114.     lrintf

  2115.     powf

  2116.     rint

  2117.     round

  2118.     roundf

  2119.     sinf

  2120.     trunc

  2121.     truncf

  2122. "

  2123. 

  2124. SYSTEM_FEATURES="

  2125.     dos_paths

  2126.     libc_msvcrt

  2127.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2128.     section_data_rel_ro

  2129.     threads

  2130.     uwp

  2131.     winrt

  2132. "

  2133. 

  2134. SYSTEM_FUNCS="

  2135.     access

  2136.     aligned_malloc

  2137.     arc4random

  2138.     clock_gettime

  2139.     closesocket

  2140.     CommandLineToArgvW

  2141.     fcntl

  2142.     getaddrinfo

  2143.     gethrtime

  2144.     getopt

  2145.     GetProcessAffinityMask

  2146.     GetProcessMemoryInfo

  2147.     GetProcessTimes

  2148.     getrusage

  2149.     GetSystemTimeAsFileTime

  2150.     gettimeofday

  2151.     glob

  2152.     glXGetProcAddress

  2153.     gmtime_r

  2154.     inet_aton

  2155.     isatty

  2156.     kbhit

  2157.     localtime_r

  2158.     lstat

  2159.     lzo1x_999_compress

  2160.     mach_absolute_time

  2161.     MapViewOfFile

  2162.     memalign

  2163.     mkstemp

  2164.     mmap

  2165.     mprotect

  2166.     nanosleep

  2167.     PeekNamedPipe

  2168.     posix_memalign

  2169.     pthread_cancel

  2170.     sched_getaffinity

  2171.     SecItemImport

  2172.     SetConsoleTextAttribute

  2173.     SetConsoleCtrlHandler

  2174.     setmode

  2175.     setrlimit

  2176.     Sleep

  2177.     strerror_r

  2178.     sysconf

  2179.     sysctl

  2180.     usleep

  2181.     UTGetOSTypeFromString

  2182.     VirtualAlloc

  2183.     wglGetProcAddress

  2184. "

  2185. 

  2186. SYSTEM_LIBRARIES="

  2187.     bcrypt

  2188.     vaapi_drm

  2189.     vaapi_x11

  2190.     vdpau_x11

  2191. "

  2192. 

  2193. TOOLCHAIN_FEATURES="

  2194.     as_arch_directive

  2195.     as_dn_directive

  2196.     as_fpu_directive

  2197.     as_func

  2198.     as_object_arch

  2199.     asm_mod_q

  2200.     blocks_extension

  2201.     ebp_available

  2202.     ebx_available

  2203.     gnu_as

  2204.     gnu_windres

  2205.     ibm_asm

  2206.     inline_asm_direct_symbol_refs

  2207.     inline_asm_labels

  2208.     inline_asm_nonlocal_labels

  2209.     pragma_deprecated

  2210.     rsync_contimeout

  2211.     symver_asm_label

  2212.     symver_gnu_asm

  2213.     vfp_args

  2214.     xform_asm

  2215.     xmm_clobbers

  2216. "

  2217. 

  2218. TYPES_LIST="

  2219.     kCMVideoCodecType_HEVC

  2220.     socklen_t

  2221.     struct_addrinfo

  2222.     struct_group_source_req

  2223.     struct_ip_mreq_source

  2224.     struct_ipv6_mreq

  2225.     struct_msghdr_msg_flags

  2226.     struct_pollfd

  2227.     struct_rusage_ru_maxrss

  2228.     struct_sctp_event_subscribe

  2229.     struct_sockaddr_in6

  2230.     struct_sockaddr_sa_len

  2231.     struct_sockaddr_storage

  2232.     struct_stat_st_mtim_tv_nsec

  2233.     struct_v4l2_frmivalenum_discrete

  2234. "

  2235. 

  2236. HAVE_LIST="

  2237.     $ARCH_EXT_LIST

  2238.     $(add_suffix _external $ARCH_EXT_LIST)

  2239.     $(add_suffix _inline   $ARCH_EXT_LIST)

  2240.     $ARCH_FEATURES

  2241.     $BUILTIN_LIST

  2242.     $COMPLEX_FUNCS

  2243.     $HAVE_LIST_CMDLINE

  2244.     $HAVE_LIST_PUB

  2245.     $HEADERS_LIST

  2246.     $INTRINSICS_LIST

  2247.     $MATH_FUNCS

  2248.     $SYSTEM_FEATURES

  2249.     $SYSTEM_FUNCS

  2250.     $SYSTEM_LIBRARIES

  2251.     $THREADS_LIST

  2252.     $TOOLCHAIN_FEATURES

  2253.     $TYPES_LIST

  2254.     makeinfo

  2255.     makeinfo_html

  2256.     opencl_d3d11

  2257.     opencl_drm_arm

  2258.     opencl_drm_beignet

  2259.     opencl_dxva2

  2260.     opencl_vaapi_beignet

  2261.     opencl_vaapi_intel_media

  2262.     perl

  2263.     pod2man

  2264.     texi2html

  2265. "

  2266. 

  2267. # options emitted with CONFIG_ prefix but not available on the command line

  2268. CONFIG_EXTRA="

  2269.     aandcttables

  2270.     ac3dsp

  2271.     adts_header

  2272.     audio_frame_queue

  2273.     audiodsp

  2274.     blockdsp

  2275.     bswapdsp

  2276.     cabac

  2277.     cbs

  2278.     cbs_av1

  2279.     cbs_h264

  2280.     cbs_h265

  2281.     cbs_jpeg

  2282.     cbs_mpeg2

  2283.     cbs_vp9

  2284.     dirac_parse

  2285.     dnn

  2286.     dvprofile

  2287.     exif

  2288.     faandct

  2289.     faanidct

  2290.     fdctdsp

  2291.     flacdsp

  2292.     fmtconvert

  2293.     frame_thread_encoder

  2294.     g722dsp

  2295.     golomb

  2296.     gplv3

  2297.     h263dsp

  2298.     h264chroma

  2299.     h264dsp

  2300.     h264parse

  2301.     h264pred

  2302.     h264qpel

  2303.     hevcparse

  2304.     hpeldsp

  2305.     huffman

  2306.     huffyuvdsp

  2307.     huffyuvencdsp

  2308.     idctdsp

  2309.     iirfilter

  2310.     mdct15

  2311.     intrax8

  2312.     iso_media

  2313.     ividsp

  2314.     jpegtables

  2315.     lgplv3

  2316.     libx262

  2317.     llauddsp

  2318.     llviddsp

  2319.     llvidencdsp

  2320.     lpc

  2321.     lzf

  2322.     me_cmp

  2323.     mpeg_er

  2324.     mpegaudio

  2325.     mpegaudiodsp

  2326.     mpegaudioheader

  2327.     mpegvideo

  2328.     mpegvideoenc

  2329.     mss34dsp

  2330.     pixblockdsp

  2331.     qpeldsp

  2332.     qsv

  2333.     qsvdec

  2334.     qsvenc

  2335.     qsvvpp

  2336.     rangecoder

  2337.     riffdec

  2338.     riffenc

  2339.     rtpdec

  2340.     rtpenc_chain

  2341.     rv34dsp

  2342.     scene_sad

  2343.     sinewin

  2344.     snappy

  2345.     srtp

  2346.     startcode

  2347.     texturedsp

  2348.     texturedspenc

  2349.     tpeldsp

  2350.     vaapi_1

  2351.     vaapi_encode

  2352.     vc1dsp

  2353.     videodsp

  2354.     vp3dsp

  2355.     vp56dsp

  2356.     vp8dsp

  2357.     wma_freqs

  2358.     wmv2dsp

  2359. "

  2360. 

  2361. CMDLINE_SELECT="

  2362.     $ARCH_EXT_LIST

  2363.     $CONFIG_LIST

  2364.     $HAVE_LIST_CMDLINE

  2365.     $THREADS_LIST

  2366.     asm

  2367.     cross_compile

  2368.     debug

  2369.     extra_warnings

  2370.     logging

  2371.     lto

  2372.     optimizations

  2373.     rpath

  2374.     stripping

  2375. "

  2376. 

  2377. PATHS_LIST="

  2378.     bindir

  2379.     datadir

  2380.     docdir

  2381.     incdir

  2382.     libdir

  2383.     mandir

  2384.     pkgconfigdir

  2385.     prefix

  2386.     shlibdir

  2387.     install_name_dir

  2388. "

  2389. 

  2390. CMDLINE_SET="

  2391.     $PATHS_LIST

  2392.     ar

  2393.     arch

  2394.     as

  2395.     assert_level

  2396.     build_suffix

  2397.     cc

  2398.     objcc

  2399.     cpu

  2400.     cross_prefix

  2401.     custom_allocator

  2402.     cxx

  2403.     dep_cc

  2404.     doxygen

  2405.     env

  2406.     extra_version

  2407.     gas

  2408.     host_cc

  2409.     host_cflags

  2410.     host_extralibs

  2411.     host_ld

  2412.     host_ldflags

  2413.     host_os

  2414.     ignore_tests

  2415.     install

  2416.     ld

  2417.     ln_s

  2418.     logfile

  2419.     malloc_prefix

  2420.     nm

  2421.     optflags

  2422.     nvcc

  2423.     nvccflags

  2424.     pkg_config

  2425.     pkg_config_flags

  2426.     progs_suffix

  2427.     random_seed

  2428.     ranlib

  2429.     samples

  2430.     strip

  2431.     sws_max_filter_size

  2432.     sysinclude

  2433.     sysroot

  2434.     target_exec

  2435.     target_os

  2436.     target_path

  2437.     target_samples

  2438.     tempprefix

  2439.     toolchain

  2440.     valgrind

  2441.     windres

  2442.     x86asmexe

  2443. "

  2444. 

  2445. CMDLINE_APPEND="

  2446.     extra_cflags

  2447.     extra_cxxflags

  2448.     extra_objcflags

  2449.     host_cppflags

  2450. "

  2451. 

  2452. # code dependency declarations

  2453. 

  2454. # architecture extensions

  2455. 

  2456. armv5te_deps="arm"

  2457. armv6_deps="arm"

  2458. armv6t2_deps="arm"

  2459. armv8_deps="aarch64"

  2460. neon_deps_any="aarch64 arm"

  2461. intrinsics_neon_deps="neon"

  2462. vfp_deps_any="aarch64 arm"

  2463. vfpv3_deps="vfp"

  2464. setend_deps="arm"

  2465. 

  2466. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2467. 

  2468. altivec_deps="ppc"

  2469. dcbzl_deps="ppc"

  2470. ldbrx_deps="ppc"

  2471. ppc4xx_deps="ppc"

  2472. vsx_deps="altivec"

  2473. power8_deps="vsx"

  2474. 

  2475. loongson2_deps="mips"

  2476. loongson3_deps="mips"

  2477. mips32r2_deps="mips"

  2478. mips32r5_deps="mips"

  2479. mips32r6_deps="mips"

  2480. mips64r2_deps="mips"

  2481. mips64r6_deps="mips"

  2482. mipsfpu_deps="mips"

  2483. mipsdsp_deps="mips"

  2484. mipsdspr2_deps="mips"

  2485. mmi_deps="mips"

  2486. msa_deps="mipsfpu"

  2487. 

  2488. cpunop_deps="i686"

  2489. x86_64_select="i686"

  2490. x86_64_suggest="fast_cmov"

  2491. 

  2492. amd3dnow_deps="mmx"

  2493. amd3dnowext_deps="amd3dnow"

  2494. i686_deps="x86"

  2495. mmx_deps="x86"

  2496. mmxext_deps="mmx"

  2497. sse_deps="mmxext"

  2498. sse2_deps="sse"

  2499. sse3_deps="sse2"

  2500. ssse3_deps="sse3"

  2501. sse4_deps="ssse3"

  2502. sse42_deps="sse4"

  2503. aesni_deps="sse42"

  2504. avx_deps="sse42"

  2505. xop_deps="avx"

  2506. fma3_deps="avx"

  2507. fma4_deps="avx"

  2508. avx2_deps="avx"

  2509. avx512_deps="avx2"

  2510. 

  2511. mmx_external_deps="x86asm"

  2512. mmx_inline_deps="inline_asm x86"

  2513. mmx_suggest="mmx_external mmx_inline"

  2514. 

  2515. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2516.     eval dep=\$${ext}_deps

  2517.     eval ${ext}_external_deps='"${dep}_external"'

  2518.     eval ${ext}_inline_deps='"${dep}_inline"'

  2519.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2520. done

  2521. 

  2522. aligned_stack_if_any="aarch64 ppc x86"

  2523. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2524. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2525. fast_unaligned_if_any="aarch64 ppc x86"

  2526. simd_align_16_if_any="altivec neon sse"

  2527. simd_align_32_if_any="avx"

  2528. simd_align_64_if_any="avx512"

  2529. 

  2530. # system capabilities

  2531. linux_perf_deps="linux_perf_event_h"

  2532. symver_if_any="symver_asm_label symver_gnu_asm"

  2533. valgrind_backtrace_conflict="optimizations"

  2534. valgrind_backtrace_deps="valgrind_valgrind_h"

  2535. 

  2536. # threading support

  2537. atomics_gcc_if="sync_val_compare_and_swap"

  2538. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2539. atomics_win32_if="MemoryBarrier"

  2540. atomics_native_if_any="$ATOMICS_LIST"

  2541. w32threads_deps="atomics_native"

  2542. threads_if_any="$THREADS_LIST"

  2543. 

  2544. # subsystems

  2545. cbs_av1_select="cbs"

  2546. cbs_h264_select="cbs golomb"

  2547. cbs_h265_select="cbs golomb"

  2548. cbs_jpeg_select="cbs"

  2549. cbs_mpeg2_select="cbs"

  2550. cbs_vp9_select="cbs"

  2551. dct_select="rdft"

  2552. dirac_parse_select="golomb"

  2553. dnn_suggest="libtensorflow"

  2554. error_resilience_select="me_cmp"

  2555. faandct_deps="faan"

  2556. faandct_select="fdctdsp"

  2557. faanidct_deps="faan"

  2558. faanidct_select="idctdsp"

  2559. h264dsp_select="startcode"

  2560. hevcparse_select="golomb"

  2561. frame_thread_encoder_deps="encoders threads"

  2562. intrax8_select="blockdsp idctdsp"

  2563. mdct_select="fft"

  2564. mdct15_select="fft"

  2565. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2566. mpeg_er_select="error_resilience"

  2567. mpegaudio_select="mpegaudiodsp mpegaudioheader"

  2568. mpegaudiodsp_select="dct"

  2569. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2570. mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"

  2571. vc1dsp_select="h264chroma qpeldsp startcode"

  2572. rdft_select="fft"

  2573. 

  2574. # decoders / encoders

  2575. aac_decoder_select="adts_header mdct15 mdct sinewin"

  2576. aac_fixed_decoder_select="adts_header mdct sinewin"

  2577. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2578. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2579. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2580. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2581. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2582. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2583. adpcm_g722_decoder_select="g722dsp"

  2584. adpcm_g722_encoder_select="g722dsp"

  2585. aic_decoder_select="golomb idctdsp"

  2586. alac_encoder_select="lpc"

  2587. als_decoder_select="bswapdsp"

  2588. amrnb_decoder_select="lsp"

  2589. amrwb_decoder_select="lsp"

  2590. amv_decoder_select="sp5x_decoder exif"

  2591. amv_encoder_select="jpegtables mpegvideoenc"

  2592. ape_decoder_select="bswapdsp llauddsp"

  2593. apng_decoder_deps="zlib"

  2594. apng_encoder_deps="zlib"

  2595. apng_encoder_select="llvidencdsp"

  2596. aptx_decoder_select="audio_frame_queue"

  2597. aptx_encoder_select="audio_frame_queue"

  2598. aptx_hd_decoder_select="audio_frame_queue"

  2599. aptx_hd_encoder_select="audio_frame_queue"

  2600. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2601. asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2602. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2603. asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2604. atrac1_decoder_select="mdct sinewin"

  2605. atrac3_decoder_select="mdct"

  2606. atrac3p_decoder_select="mdct sinewin"

  2607. atrac9_decoder_select="mdct"

  2608. avrn_decoder_select="exif jpegtables"

  2609. bink_decoder_select="blockdsp hpeldsp"

  2610. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2611. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2612. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2613. clearvideo_decoder_select="idctdsp"

  2614. cllc_decoder_select="bswapdsp"

  2615. comfortnoise_encoder_select="lpc"

  2616. cook_decoder_select="audiodsp mdct sinewin"

  2617. cscd_decoder_select="lzo"

  2618. cscd_decoder_suggest="zlib"

  2619. dca_decoder_select="mdct"

  2620. dds_decoder_select="texturedsp"

  2621. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2622. dnxhd_decoder_select="blockdsp idctdsp"

  2623. dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2624. dolby_e_decoder_select="mdct"

  2625. dvvideo_decoder_select="dvprofile idctdsp"

  2626. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2627. dxa_decoder_deps="zlib"

  2628. dxv_decoder_select="lzf texturedsp"

  2629. eac3_decoder_select="ac3_decoder"

  2630. eac3_encoder_select="ac3_encoder"

  2631. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2632. eatgq_decoder_select="aandcttables"

  2633. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2634. exr_decoder_deps="zlib"

  2635. ffv1_decoder_select="rangecoder"

  2636. ffv1_encoder_select="rangecoder"

  2637. ffvhuff_decoder_select="huffyuv_decoder"

  2638. ffvhuff_encoder_select="huffyuv_encoder"

  2639. fic_decoder_select="golomb"

  2640. flac_decoder_select="flacdsp"

  2641. flac_encoder_select="bswapdsp flacdsp lpc"

  2642. flashsv2_decoder_deps="zlib"

  2643. flashsv2_encoder_deps="zlib"

  2644. flashsv_decoder_deps="zlib"

  2645. flashsv_encoder_deps="zlib"

  2646. flv_decoder_select="h263_decoder"

  2647. flv_encoder_select="h263_encoder"

  2648. fourxm_decoder_select="blockdsp bswapdsp"

  2649. fraps_decoder_select="bswapdsp huffman"

  2650. g2m_decoder_deps="zlib"

  2651. g2m_decoder_select="blockdsp idctdsp jpegtables"

  2652. g729_decoder_select="audiodsp"

  2653. h261_decoder_select="mpegvideo"

  2654. h261_encoder_select="mpegvideoenc"

  2655. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2656. h263_encoder_select="h263dsp mpegvideoenc"

  2657. h263i_decoder_select="h263_decoder"

  2658. h263p_decoder_select="h263_decoder"

  2659. h263p_encoder_select="h263_encoder"

  2660. h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"

  2661. h264_decoder_suggest="error_resilience"

  2662. hap_decoder_select="snappy texturedsp"

  2663. hap_encoder_deps="libsnappy"

  2664. hap_encoder_select="texturedspenc"

  2665. hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"

  2666. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2667. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"

  2668. hymt_decoder_select="huffyuv_decoder"

  2669. iac_decoder_select="imc_decoder"

  2670. imc_decoder_select="bswapdsp fft mdct sinewin"

  2671. indeo3_decoder_select="hpeldsp"

  2672. indeo4_decoder_select="ividsp"

  2673. indeo5_decoder_select="ividsp"

  2674. interplay_video_decoder_select="hpeldsp"

  2675. jpegls_decoder_select="mjpeg_decoder"

  2676. jv_decoder_select="blockdsp"

  2677. lagarith_decoder_select="llviddsp"

  2678. ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"

  2679. magicyuv_decoder_select="llviddsp"

  2680. magicyuv_encoder_select="llvidencdsp"

  2681. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2682. metasound_decoder_select="lsp mdct sinewin"

  2683. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2684. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2685. mjpeg_encoder_select="jpegtables mpegvideoenc"

  2686. mjpegb_decoder_select="mjpeg_decoder"

  2687. mlp_decoder_select="mlp_parser"

  2688. mlp_encoder_select="lpc"

  2689. motionpixels_decoder_select="bswapdsp"

  2690. mp1_decoder_select="mpegaudio"

  2691. mp1float_decoder_select="mpegaudio"

  2692. mp2_decoder_select="mpegaudio"

  2693. mp2float_decoder_select="mpegaudio"

  2694. mp3_decoder_select="mpegaudio"

  2695. mp3adu_decoder_select="mpegaudio"

  2696. mp3adufloat_decoder_select="mpegaudio"

  2697. mp3float_decoder_select="mpegaudio"

  2698. mp3on4_decoder_select="mpegaudio"

  2699. mp3on4float_decoder_select="mpegaudio"

  2700. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2701. mpc8_decoder_select="mpegaudiodsp"

  2702. mpegvideo_decoder_select="mpegvideo"

  2703. mpeg1video_decoder_select="mpegvideo"

  2704. mpeg1video_encoder_select="mpegvideoenc h263dsp"

  2705. mpeg2video_decoder_select="mpegvideo"

  2706. mpeg2video_encoder_select="mpegvideoenc h263dsp"

  2707. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2708. mpeg4_encoder_select="h263_encoder"

  2709. msa1_decoder_select="mss34dsp"

  2710. mscc_decoder_deps="zlib"

  2711. msmpeg4v1_decoder_select="h263_decoder"

  2712. msmpeg4v2_decoder_select="h263_decoder"

  2713. msmpeg4v2_encoder_select="h263_encoder"

  2714. msmpeg4v3_decoder_select="h263_decoder"

  2715. msmpeg4v3_encoder_select="h263_encoder"

  2716. mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"

  2717. mts2_decoder_select="mss34dsp"

  2718. mwsc_decoder_deps="zlib"

  2719. mxpeg_decoder_select="mjpeg_decoder"

  2720. nellymoser_decoder_select="mdct sinewin"

  2721. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2722. nuv_decoder_select="idctdsp lzo"

  2723. on2avc_decoder_select="mdct"

  2724. opus_decoder_deps="swresample"

  2725. opus_decoder_select="mdct15"

  2726. opus_encoder_select="audio_frame_queue mdct15"

  2727. png_decoder_deps="zlib"

  2728. png_encoder_deps="zlib"

  2729. png_encoder_select="llvidencdsp"

  2730. prores_decoder_select="blockdsp idctdsp"

  2731. prores_encoder_select="fdctdsp"

  2732. qcelp_decoder_select="lsp"

  2733. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2734. ra_144_decoder_select="audiodsp"

  2735. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2736. ralf_decoder_select="golomb"

  2737. rasc_decoder_deps="zlib"

  2738. rawvideo_decoder_select="bswapdsp"

  2739. rscc_decoder_deps="zlib"

  2740. rtjpeg_decoder_select="me_cmp"

  2741. rv10_decoder_select="h263_decoder"

  2742. rv10_encoder_select="h263_encoder"

  2743. rv20_decoder_select="h263_decoder"

  2744. rv20_encoder_select="h263_encoder"

  2745. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2746. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2747. screenpresso_decoder_deps="zlib"

  2748. shorten_decoder_select="bswapdsp"

  2749. sipr_decoder_select="lsp"

  2750. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2751. snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2752. sonic_decoder_select="golomb rangecoder"

  2753. sonic_encoder_select="golomb rangecoder"

  2754. sonic_ls_encoder_select="golomb rangecoder"

  2755. sp5x_decoder_select="mjpeg_decoder"

  2756. speedhq_decoder_select="mpegvideo"

  2757. srgc_decoder_deps="zlib"

  2758. svq1_decoder_select="hpeldsp"

  2759. svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"

  2760. svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"

  2761. svq3_decoder_suggest="zlib"

  2762. tak_decoder_select="audiodsp"

  2763. tdsc_decoder_deps="zlib"

  2764. tdsc_decoder_select="mjpeg_decoder"

  2765. theora_decoder_select="vp3_decoder"

  2766. thp_decoder_select="mjpeg_decoder"

  2767. tiff_decoder_suggest="zlib lzma"

  2768. tiff_encoder_suggest="zlib"

  2769. truehd_decoder_select="mlp_parser"

  2770. truehd_encoder_select="lpc"

  2771. truemotion2_decoder_select="bswapdsp"

  2772. truespeech_decoder_select="bswapdsp"

  2773. tscc_decoder_deps="zlib"

  2774. twinvq_decoder_select="mdct lsp sinewin"

  2775. txd_decoder_select="texturedsp"

  2776. utvideo_decoder_select="bswapdsp llviddsp"

  2777. utvideo_encoder_select="bswapdsp huffman llvidencdsp"

  2778. vble_decoder_select="llviddsp"

  2779. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2780. vc1image_decoder_select="vc1_decoder"

  2781. vorbis_decoder_select="mdct"

  2782. vorbis_encoder_select="audio_frame_queue mdct"

  2783. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2784. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2785. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2786. vp6a_decoder_select="vp6_decoder"

  2787. vp6f_decoder_select="vp6_decoder"

  2788. vp7_decoder_select="h264pred videodsp vp8dsp"

  2789. vp8_decoder_select="h264pred videodsp vp8dsp"

  2790. vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"

  2791. wcmv_decoder_deps="zlib"

  2792. webp_decoder_select="vp8_decoder exif"

  2793. wmalossless_decoder_select="llauddsp"

  2794. wmapro_decoder_select="mdct sinewin wma_freqs"

  2795. wmav1_decoder_select="mdct sinewin wma_freqs"

  2796. wmav1_encoder_select="mdct sinewin wma_freqs"

  2797. wmav2_decoder_select="mdct sinewin wma_freqs"

  2798. wmav2_encoder_select="mdct sinewin wma_freqs"

  2799. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2800. wmv1_decoder_select="h263_decoder"

  2801. wmv1_encoder_select="h263_encoder"

  2802. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2803. wmv2_encoder_select="h263_encoder wmv2dsp"

  2804. wmv3_decoder_select="vc1_decoder"

  2805. wmv3image_decoder_select="wmv3_decoder"

  2806. xma1_decoder_select="wmapro_decoder"

  2807. xma2_decoder_select="wmapro_decoder"

  2808. zerocodec_decoder_deps="zlib"

  2809. zlib_decoder_deps="zlib"

  2810. zlib_encoder_deps="zlib"

  2811. zmbv_decoder_deps="zlib"

  2812. zmbv_encoder_deps="zlib"

  2813. 

  2814. # hardware accelerators

  2815. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2816. cuda_deps="ffnvcodec"

  2817. cuvid_deps="ffnvcodec"

  2818. d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2819. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"

  2820. ffnvcodec_deps_any="libdl LoadLibrary"

  2821. nvdec_deps="ffnvcodec"

  2822. vaapi_x11_deps="xlib"

  2823. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2824. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2825. xvmc_deps="X11_extensions_XvMClib_h"

  2826. 

  2827. h263_vaapi_hwaccel_deps="vaapi"

  2828. h263_vaapi_hwaccel_select="h263_decoder"

  2829. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2830. h263_videotoolbox_hwaccel_select="h263_decoder"

  2831. h264_d3d11va_hwaccel_deps="d3d11va"

  2832. h264_d3d11va_hwaccel_select="h264_decoder"

  2833. h264_d3d11va2_hwaccel_deps="d3d11va"

  2834. h264_d3d11va2_hwaccel_select="h264_decoder"

  2835. h264_dxva2_hwaccel_deps="dxva2"

  2836. h264_dxva2_hwaccel_select="h264_decoder"

  2837. h264_nvdec_hwaccel_deps="nvdec"

  2838. h264_nvdec_hwaccel_select="h264_decoder"

  2839. h264_vaapi_hwaccel_deps="vaapi"

  2840. h264_vaapi_hwaccel_select="h264_decoder"

  2841. h264_vdpau_hwaccel_deps="vdpau"

  2842. h264_vdpau_hwaccel_select="h264_decoder"

  2843. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2844. h264_videotoolbox_hwaccel_select="h264_decoder"

  2845. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2846. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2847. hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2848. hevc_d3d11va2_hwaccel_select="hevc_decoder"

  2849. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2850. hevc_dxva2_hwaccel_select="hevc_decoder"

  2851. hevc_nvdec_hwaccel_deps="nvdec"

  2852. hevc_nvdec_hwaccel_select="hevc_decoder"

  2853. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2854. hevc_vaapi_hwaccel_select="hevc_decoder"

  2855. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2856. hevc_vdpau_hwaccel_select="hevc_decoder"

  2857. hevc_videotoolbox_hwaccel_deps="videotoolbox"

  2858. hevc_videotoolbox_hwaccel_select="hevc_decoder"

  2859. mjpeg_nvdec_hwaccel_deps="nvdec"

  2860. mjpeg_nvdec_hwaccel_select="mjpeg_decoder"

  2861. mjpeg_vaapi_hwaccel_deps="vaapi"

  2862. mjpeg_vaapi_hwaccel_select="mjpeg_decoder"

  2863. mpeg_xvmc_hwaccel_deps="xvmc"

  2864. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2865. mpeg1_nvdec_hwaccel_deps="nvdec"

  2866. mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"

  2867. mpeg1_vdpau_hwaccel_deps="vdpau"

  2868. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2869. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2870. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2871. mpeg1_xvmc_hwaccel_deps="xvmc"

  2872. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2873. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2874. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2875. mpeg2_d3d11va2_hwaccel_deps="d3d11va"

  2876. mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"

  2877. mpeg2_dxva2_hwaccel_deps="dxva2"

  2878. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2879. mpeg2_nvdec_hwaccel_deps="nvdec"

  2880. mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"

  2881. mpeg2_vaapi_hwaccel_deps="vaapi"

  2882. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2883. mpeg2_vdpau_hwaccel_deps="vdpau"

  2884. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2885. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2886. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2887. mpeg2_xvmc_hwaccel_deps="xvmc"

  2888. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2889. mpeg4_nvdec_hwaccel_deps="nvdec"

  2890. mpeg4_nvdec_hwaccel_select="mpeg4_decoder"

  2891. mpeg4_vaapi_hwaccel_deps="vaapi"

  2892. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2893. mpeg4_vdpau_hwaccel_deps="vdpau"

  2894. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2895. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2896. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2897. vc1_d3d11va_hwaccel_deps="d3d11va"

  2898. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2899. vc1_d3d11va2_hwaccel_deps="d3d11va"

  2900. vc1_d3d11va2_hwaccel_select="vc1_decoder"

  2901. vc1_dxva2_hwaccel_deps="dxva2"

  2902. vc1_dxva2_hwaccel_select="vc1_decoder"

  2903. vc1_nvdec_hwaccel_deps="nvdec"

  2904. vc1_nvdec_hwaccel_select="vc1_decoder"

  2905. vc1_vaapi_hwaccel_deps="vaapi"

  2906. vc1_vaapi_hwaccel_select="vc1_decoder"

  2907. vc1_vdpau_hwaccel_deps="vdpau"

  2908. vc1_vdpau_hwaccel_select="vc1_decoder"

  2909. vp8_nvdec_hwaccel_deps="nvdec"

  2910. vp8_nvdec_hwaccel_select="vp8_decoder"

  2911. vp8_vaapi_hwaccel_deps="vaapi"

  2912. vp8_vaapi_hwaccel_select="vp8_decoder"

  2913. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2914. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2915. vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2916. vp9_d3d11va2_hwaccel_select="vp9_decoder"

  2917. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2918. vp9_dxva2_hwaccel_select="vp9_decoder"

  2919. vp9_nvdec_hwaccel_deps="nvdec"

  2920. vp9_nvdec_hwaccel_select="vp9_decoder"

  2921. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"

  2922. vp9_vaapi_hwaccel_select="vp9_decoder"

  2923. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2924. wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"

  2925. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2926. wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"

  2927. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2928. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2929. 

  2930. # hardware-accelerated codecs

  2931. omx_deps="libdl pthreads"

  2932. omx_rpi_select="omx"

  2933. qsv_deps="libmfx"

  2934. qsvdec_select="qsv"

  2935. qsvenc_select="qsv"

  2936. qsvvpp_select="qsv"

  2937. vaapi_encode_deps="vaapi"

  2938. v4l2_m2m_deps="linux_videodev2_h sem_timedwait"

  2939. 

  2940. hwupload_cuda_filter_deps="ffnvcodec"

  2941. scale_npp_filter_deps="ffnvcodec libnpp"

  2942. scale_cuda_filter_deps="cuda_sdk"

  2943. thumbnail_cuda_filter_deps="cuda_sdk"

  2944. transpose_npp_filter_deps="ffnvcodec libnpp"

  2945. 

  2946. amf_deps_any="libdl LoadLibrary"

  2947. nvenc_deps="ffnvcodec"

  2948. nvenc_deps_any="libdl LoadLibrary"

  2949. nvenc_encoder_deps="nvenc"

  2950. 

  2951. h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"

  2952. h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"

  2953. h264_amf_encoder_deps="amf"

  2954. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2955. h264_cuvid_decoder_deps="cuvid"

  2956. h264_cuvid_decoder_select="h264_mp4toannexb_bsf"

  2957. h264_mediacodec_decoder_deps="mediacodec"

  2958. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2959. h264_mmal_decoder_deps="mmal"

  2960. h264_nvenc_encoder_deps="nvenc"

  2961. h264_omx_encoder_deps="omx"

  2962. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"

  2963. h264_qsv_encoder_select="qsvenc"

  2964. h264_rkmpp_decoder_deps="rkmpp"

  2965. h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"

  2966. h264_vaapi_encoder_select="cbs_h264 vaapi_encode"

  2967. h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"

  2968. h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"

  2969. h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"

  2970. hevc_amf_encoder_deps="amf"

  2971. hevc_cuvid_decoder_deps="cuvid"

  2972. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"

  2973. hevc_mediacodec_decoder_deps="mediacodec"

  2974. hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"

  2975. hevc_nvenc_encoder_deps="nvenc"

  2976. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"

  2977. hevc_qsv_encoder_select="hevcparse qsvenc"

  2978. hevc_rkmpp_decoder_deps="rkmpp"

  2979. hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"

  2980. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  2981. hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"

  2982. hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2983. hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"

  2984. hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2985. mjpeg_cuvid_decoder_deps="cuvid"

  2986. mjpeg_qsv_encoder_deps="libmfx"

  2987. mjpeg_qsv_encoder_select="qsvenc"

  2988. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  2989. mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"

  2990. mpeg1_cuvid_decoder_deps="cuvid"

  2991. mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"

  2992. mpeg2_crystalhd_decoder_select="crystalhd"

  2993. mpeg2_cuvid_decoder_deps="cuvid"

  2994. mpeg2_mmal_decoder_deps="mmal"

  2995. mpeg2_mediacodec_decoder_deps="mediacodec"

  2996. mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"

  2997. mpeg2_qsv_encoder_select="qsvenc"

  2998. mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"

  2999. mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"

  3000. mpeg4_crystalhd_decoder_select="crystalhd"

  3001. mpeg4_cuvid_decoder_deps="cuvid"

  3002. mpeg4_mediacodec_decoder_deps="mediacodec"

  3003. mpeg4_mmal_decoder_deps="mmal"

  3004. mpeg4_omx_encoder_deps="omx"

  3005. mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3006. mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3007. msmpeg4_crystalhd_decoder_select="crystalhd"

  3008. nvenc_h264_encoder_select="h264_nvenc_encoder"

  3009. nvenc_hevc_encoder_select="hevc_nvenc_encoder"

  3010. vc1_crystalhd_decoder_select="crystalhd"

  3011. vc1_cuvid_decoder_deps="cuvid"

  3012. vc1_mmal_decoder_deps="mmal"

  3013. vc1_qsv_decoder_select="qsvdec vc1_parser"

  3014. vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"

  3015. vp8_cuvid_decoder_deps="cuvid"

  3016. vp8_mediacodec_decoder_deps="mediacodec"

  3017. vp8_qsv_decoder_select="qsvdec vp8_parser"

  3018. vp8_rkmpp_decoder_deps="rkmpp"

  3019. vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"

  3020. vp8_vaapi_encoder_select="vaapi_encode"

  3021. vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3022. vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3023. vp9_cuvid_decoder_deps="cuvid"

  3024. vp9_mediacodec_decoder_deps="mediacodec"

  3025. vp9_rkmpp_decoder_deps="rkmpp"

  3026. vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"

  3027. vp9_vaapi_encoder_select="vaapi_encode"

  3028. vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"

  3029. wmv3_crystalhd_decoder_select="crystalhd"

  3030. 

  3031. # parsers

  3032. aac_parser_select="adts_header"

  3033. av1_parser_select="cbs_av1"

  3034. h264_parser_select="golomb h264dsp h264parse"

  3035. hevc_parser_select="hevcparse"

  3036. mpegaudio_parser_select="mpegaudioheader"

  3037. mpegvideo_parser_select="mpegvideo"

  3038. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  3039. vc1_parser_select="vc1dsp"

  3040. 

  3041. # bitstream_filters

  3042. aac_adtstoasc_bsf_select="adts_header"

  3043. av1_metadata_bsf_select="cbs_av1"

  3044. eac3_core_bsf_select="ac3_parser"

  3045. filter_units_bsf_select="cbs"

  3046. h264_metadata_bsf_deps="const_nan"

  3047. h264_metadata_bsf_select="cbs_h264"

  3048. h264_redundant_pps_bsf_select="cbs_h264"

  3049. hevc_metadata_bsf_select="cbs_h265"

  3050. mjpeg2jpeg_bsf_select="jpegtables"

  3051. mpeg2_metadata_bsf_select="cbs_mpeg2"

  3052. trace_headers_bsf_select="cbs"

  3053. truehd_core_bsf_select="mlp_parser"

  3054. vp9_metadata_bsf_select="cbs_vp9"

  3055. 

  3056. # external libraries

  3057. aac_at_decoder_deps="audiotoolbox"

  3058. aac_at_decoder_select="aac_adtstoasc_bsf"

  3059. ac3_at_decoder_deps="audiotoolbox"

  3060. ac3_at_decoder_select="ac3_parser"

  3061. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  3062. alac_at_decoder_deps="audiotoolbox"

  3063. amr_nb_at_decoder_deps="audiotoolbox"

  3064. avisynth_deps_any="libdl LoadLibrary"

  3065. avisynth_demuxer_deps="avisynth"

  3066. avisynth_demuxer_select="riffdec"

  3067. eac3_at_decoder_deps="audiotoolbox"

  3068. eac3_at_decoder_select="ac3_parser"

  3069. gsm_ms_at_decoder_deps="audiotoolbox"

  3070. ilbc_at_decoder_deps="audiotoolbox"

  3071. mp1_at_decoder_deps="audiotoolbox"

  3072. mp2_at_decoder_deps="audiotoolbox"

  3073. mp3_at_decoder_deps="audiotoolbox"

  3074. mp1_at_decoder_select="mpegaudioheader"

  3075. mp2_at_decoder_select="mpegaudioheader"

  3076. mp3_at_decoder_select="mpegaudioheader"

  3077. pcm_alaw_at_decoder_deps="audiotoolbox"

  3078. pcm_mulaw_at_decoder_deps="audiotoolbox"

  3079. qdmc_at_decoder_deps="audiotoolbox"

  3080. qdm2_at_decoder_deps="audiotoolbox"

  3081. aac_at_encoder_deps="audiotoolbox"

  3082. aac_at_encoder_select="audio_frame_queue"

  3083. alac_at_encoder_deps="audiotoolbox"

  3084. alac_at_encoder_select="audio_frame_queue"

  3085. ilbc_at_encoder_deps="audiotoolbox"

  3086. ilbc_at_encoder_select="audio_frame_queue"

  3087. pcm_alaw_at_encoder_deps="audiotoolbox"

  3088. pcm_alaw_at_encoder_select="audio_frame_queue"

  3089. pcm_mulaw_at_encoder_deps="audiotoolbox"

  3090. pcm_mulaw_at_encoder_select="audio_frame_queue"

  3091. chromaprint_muxer_deps="chromaprint"

  3092. h264_videotoolbox_encoder_deps="pthreads"

  3093. h264_videotoolbox_encoder_select="videotoolbox_encoder"

  3094. hevc_videotoolbox_encoder_deps="pthreads"

  3095. hevc_videotoolbox_encoder_select="videotoolbox_encoder"

  3096. libaom_av1_decoder_deps="libaom"

  3097. libaom_av1_encoder_deps="libaom"

  3098. libaom_av1_encoder_select="extract_extradata_bsf"

  3099. libaribb24_decoder_deps="libaribb24"

  3100. libcelt_decoder_deps="libcelt"

  3101. libcodec2_decoder_deps="libcodec2"

  3102. libcodec2_encoder_deps="libcodec2"

  3103. libdav1d_decoder_deps="libdav1d"

  3104. libdavs2_decoder_deps="libdavs2"

  3105. libfdk_aac_decoder_deps="libfdk_aac"

  3106. libfdk_aac_encoder_deps="libfdk_aac"

  3107. libfdk_aac_encoder_select="audio_frame_queue"

  3108. libgme_demuxer_deps="libgme"

  3109. libgsm_decoder_deps="libgsm"

  3110. libgsm_encoder_deps="libgsm"

  3111. libgsm_ms_decoder_deps="libgsm"

  3112. libgsm_ms_encoder_deps="libgsm"

  3113. libilbc_decoder_deps="libilbc"

  3114. libilbc_encoder_deps="libilbc"

  3115. libkvazaar_encoder_deps="libkvazaar"

  3116. libmodplug_demuxer_deps="libmodplug"

  3117. libmp3lame_encoder_deps="libmp3lame"

  3118. libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"

  3119. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  3120. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  3121. libopencore_amrnb_encoder_select="audio_frame_queue"

  3122. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  3123. libopenh264_decoder_deps="libopenh264"

  3124. libopenh264_decoder_select="h264_mp4toannexb_bsf"

  3125. libopenh264_encoder_deps="libopenh264"

  3126. libopenjpeg_decoder_deps="libopenjpeg"

  3127. libopenjpeg_encoder_deps="libopenjpeg"

  3128. libopenmpt_demuxer_deps="libopenmpt"

  3129. libopus_decoder_deps="libopus"

  3130. libopus_encoder_deps="libopus"

  3131. libopus_encoder_select="audio_frame_queue"

  3132. librsvg_decoder_deps="librsvg"

  3133. libshine_encoder_deps="libshine"

  3134. libshine_encoder_select="audio_frame_queue"

  3135. libspeex_decoder_deps="libspeex"

  3136. libspeex_encoder_deps="libspeex"

  3137. libspeex_encoder_select="audio_frame_queue"

  3138. libtheora_encoder_deps="libtheora"

  3139. libtwolame_encoder_deps="libtwolame"

  3140. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  3141. libvorbis_decoder_deps="libvorbis"

  3142. libvorbis_encoder_deps="libvorbis libvorbisenc"

  3143. libvorbis_encoder_select="audio_frame_queue"

  3144. libvpx_vp8_decoder_deps="libvpx"

  3145. libvpx_vp8_encoder_deps="libvpx"

  3146. libvpx_vp9_decoder_deps="libvpx"

  3147. libvpx_vp9_encoder_deps="libvpx"

  3148. libwavpack_encoder_deps="libwavpack"

  3149. libwavpack_encoder_select="audio_frame_queue"

  3150. libwebp_encoder_deps="libwebp"

  3151. libwebp_anim_encoder_deps="libwebp"

  3152. libx262_encoder_deps="libx262"

  3153. libx264_encoder_deps="libx264"

  3154. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  3155. libx264rgb_encoder_select="libx264_encoder"

  3156. libx265_encoder_deps="libx265"

  3157. libxavs_encoder_deps="libxavs"

  3158. libxavs2_encoder_deps="libxavs2"

  3159. libxvid_encoder_deps="libxvid"

  3160. libzvbi_teletext_decoder_deps="libzvbi"

  3161. vapoursynth_demuxer_deps="vapoursynth"

  3162. videotoolbox_suggest="coreservices"

  3163. videotoolbox_deps="corefoundation coremedia corevideo"

  3164. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  3165. 

  3166. # demuxers / muxers

  3167. ac3_demuxer_select="ac3_parser"

  3168. aiff_muxer_select="iso_media"

  3169. asf_demuxer_select="riffdec"

  3170. asf_o_demuxer_select="riffdec"

  3171. asf_muxer_select="riffenc"

  3172. asf_stream_muxer_select="asf_muxer"

  3173. avi_demuxer_select="iso_media riffdec exif"

  3174. avi_muxer_select="riffenc"

  3175. caf_demuxer_select="iso_media riffdec"

  3176. caf_muxer_select="iso_media"

  3177. dash_muxer_select="mp4_muxer"

  3178. dash_demuxer_deps="libxml2"

  3179. dirac_demuxer_select="dirac_parser"

  3180. dts_demuxer_select="dca_parser"

  3181. dtshd_demuxer_select="dca_parser"

  3182. dv_demuxer_select="dvprofile"

  3183. dv_muxer_select="dvprofile"

  3184. dxa_demuxer_select="riffdec"

  3185. eac3_demuxer_select="ac3_parser"

  3186. f4v_muxer_select="mov_muxer"

  3187. fifo_muxer_deps="threads"

  3188. flac_demuxer_select="flac_parser"

  3189. hds_muxer_select="flv_muxer"

  3190. hls_muxer_select="mpegts_muxer"

  3191. hls_muxer_suggest="gcrypt openssl"

  3192. image2_alias_pix_demuxer_select="image2_demuxer"

  3193. image2_brender_pix_demuxer_select="image2_demuxer"

  3194. ipod_muxer_select="mov_muxer"

  3195. ismv_muxer_select="mov_muxer"

  3196. ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"

  3197. matroska_audio_muxer_select="matroska_muxer"

  3198. matroska_demuxer_select="iso_media riffdec"

  3199. matroska_demuxer_suggest="bzlib lzo zlib"

  3200. matroska_muxer_select="iso_media riffenc"

  3201. mmf_muxer_select="riffenc"

  3202. mov_demuxer_select="iso_media riffdec"

  3203. mov_demuxer_suggest="zlib"

  3204. mov_muxer_select="iso_media riffenc rtpenc_chain"

  3205. mp3_demuxer_select="mpegaudio_parser"

  3206. mp3_muxer_select="mpegaudioheader"

  3207. mp4_muxer_select="mov_muxer"

  3208. mpegts_demuxer_select="iso_media"

  3209. mpegts_muxer_select="adts_muxer latm_muxer"

  3210. mpegtsraw_demuxer_select="mpegts_demuxer"

  3211. mxf_d10_muxer_select="mxf_muxer"

  3212. mxf_opatom_muxer_select="mxf_muxer"

  3213. nut_muxer_select="riffenc"

  3214. nuv_demuxer_select="riffdec"

  3215. oga_muxer_select="ogg_muxer"

  3216. ogg_demuxer_select="dirac_parse"

  3217. ogv_muxer_select="ogg_muxer"

  3218. opus_muxer_select="ogg_muxer"

  3219. psp_muxer_select="mov_muxer"

  3220. rtp_demuxer_select="sdp_demuxer"

  3221. rtp_muxer_select="golomb"

  3222. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  3223. rtsp_demuxer_select="http_protocol rtpdec"

  3224. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  3225. sap_demuxer_select="sdp_demuxer"

  3226. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  3227. sdp_demuxer_select="rtpdec"

  3228. smoothstreaming_muxer_select="ismv_muxer"

  3229. spdif_demuxer_select="adts_header"

  3230. spdif_muxer_select="adts_header"

  3231. spx_muxer_select="ogg_muxer"

  3232. swf_demuxer_suggest="zlib"

  3233. tak_demuxer_select="tak_parser"

  3234. tg2_muxer_select="mov_muxer"

  3235. tgp_muxer_select="mov_muxer"

  3236. vobsub_demuxer_select="mpegps_demuxer"

  3237. w64_demuxer_select="wav_demuxer"

  3238. w64_muxer_select="wav_muxer"

  3239. wav_demuxer_select="riffdec"

  3240. wav_muxer_select="riffenc"

  3241. webm_muxer_select="iso_media riffenc"

  3242. webm_dash_manifest_demuxer_select="matroska_demuxer"

  3243. wtv_demuxer_select="mpegts_demuxer riffdec"

  3244. wtv_muxer_select="mpegts_muxer riffenc"

  3245. xmv_demuxer_select="riffdec"

  3246. xwma_demuxer_select="riffdec"

  3247. 

  3248. # indevs / outdevs

  3249. android_camera_indev_deps="android camera2ndk mediandk pthreads"

  3250. android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"

  3251. alsa_indev_deps="alsa"

  3252. alsa_outdev_deps="alsa"

  3253. avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"

  3254. avfoundation_indev_suggest="coregraphics applicationservices"

  3255. avfoundation_indev_extralibs="-framework Foundation"

  3256. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  3257. caca_outdev_deps="libcaca"

  3258. decklink_deps_any="libdl LoadLibrary"

  3259. decklink_indev_deps="decklink threads"

  3260. decklink_indev_extralibs="-lstdc++"

  3261. decklink_outdev_deps="decklink threads"

  3262. decklink_outdev_suggest="libklvanc"

  3263. decklink_outdev_extralibs="-lstdc++"

  3264. libndi_newtek_indev_deps="libndi_newtek"

  3265. libndi_newtek_indev_extralibs="-lndi"

  3266. libndi_newtek_outdev_deps="libndi_newtek"

  3267. libndi_newtek_outdev_extralibs="-lndi"

  3268. dshow_indev_deps="IBaseFilter"

  3269. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  3270. fbdev_indev_deps="linux_fb_h"

  3271. fbdev_outdev_deps="linux_fb_h"

  3272. gdigrab_indev_deps="CreateDIBSection"

  3273. gdigrab_indev_extralibs="-lgdi32"

  3274. gdigrab_indev_select="bmp_decoder"

  3275. iec61883_indev_deps="libiec61883"

  3276. jack_indev_deps="libjack"

  3277. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  3278. kmsgrab_indev_deps="libdrm"

  3279. lavfi_indev_deps="avfilter"

  3280. libcdio_indev_deps="libcdio"

  3281. libdc1394_indev_deps="libdc1394"

  3282. openal_indev_deps="openal"

  3283. opengl_outdev_deps="opengl"

  3284. opengl_outdev_suggest="sdl2"

  3285. oss_indev_deps_any="sys_soundcard_h"

  3286. oss_outdev_deps_any="sys_soundcard_h"

  3287. pulse_indev_deps="libpulse"

  3288. pulse_outdev_deps="libpulse"

  3289. sdl2_outdev_deps="sdl2"

  3290. sndio_indev_deps="sndio"

  3291. sndio_outdev_deps="sndio"

  3292. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  3293. v4l2_indev_suggest="libv4l2"

  3294. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  3295. v4l2_outdev_suggest="libv4l2"

  3296. vfwcap_indev_deps="vfw32 vfwcap_defines"

  3297. xcbgrab_indev_deps="libxcb"

  3298. xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"

  3299. xv_outdev_deps="xlib"

  3300. 

  3301. # protocols

  3302. async_protocol_deps="threads"

  3303. bluray_protocol_deps="libbluray"

  3304. ffrtmpcrypt_protocol_conflict="librtmp_protocol"

  3305. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"

  3306. ffrtmpcrypt_protocol_select="tcp_protocol"

  3307. ffrtmphttp_protocol_conflict="librtmp_protocol"

  3308. ffrtmphttp_protocol_select="http_protocol"

  3309. ftp_protocol_select="tcp_protocol"

  3310. gopher_protocol_select="network"

  3311. http_protocol_select="tcp_protocol"

  3312. http_protocol_suggest="zlib"

  3313. httpproxy_protocol_select="tcp_protocol"

  3314. httpproxy_protocol_suggest="zlib"

  3315. https_protocol_select="tls_protocol"

  3316. https_protocol_suggest="zlib"

  3317. icecast_protocol_select="http_protocol"

  3318. mmsh_protocol_select="http_protocol"

  3319. mmst_protocol_select="network"

  3320. rtmp_protocol_conflict="librtmp_protocol"

  3321. rtmp_protocol_select="tcp_protocol"

  3322. rtmp_protocol_suggest="zlib"

  3323. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  3324. rtmpe_protocol_suggest="zlib"

  3325. rtmps_protocol_conflict="librtmp_protocol"

  3326. rtmps_protocol_select="tls_protocol"

  3327. rtmps_protocol_suggest="zlib"

  3328. rtmpt_protocol_select="ffrtmphttp_protocol"

  3329. rtmpt_protocol_suggest="zlib"

  3330. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  3331. rtmpte_protocol_suggest="zlib"

  3332. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  3333. rtmpts_protocol_suggest="zlib"

  3334. rtp_protocol_select="udp_protocol"

  3335. schannel_conflict="openssl gnutls libtls mbedtls"

  3336. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  3337. sctp_protocol_select="network"

  3338. securetransport_conflict="openssl gnutls libtls mbedtls"

  3339. srtp_protocol_select="rtp_protocol srtp"

  3340. tcp_protocol_select="network"

  3341. tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"

  3342. tls_protocol_select="tcp_protocol"

  3343. udp_protocol_select="network"

  3344. udplite_protocol_select="network"

  3345. unix_protocol_deps="sys_un_h"

  3346. unix_protocol_select="network"

  3347. 

  3348. # external library protocols

  3349. librtmp_protocol_deps="librtmp"

  3350. librtmpe_protocol_deps="librtmp"

  3351. librtmps_protocol_deps="librtmp"

  3352. librtmpt_protocol_deps="librtmp"

  3353. librtmpte_protocol_deps="librtmp"

  3354. libsmbclient_protocol_deps="libsmbclient gplv3"

  3355. libsrt_protocol_deps="libsrt"

  3356. libsrt_protocol_select="network"

  3357. libssh_protocol_deps="libssh"

  3358. libtls_conflict="openssl gnutls mbedtls"

  3359. 

  3360. # filters

  3361. afftdn_filter_deps="avcodec"

  3362. afftdn_filter_select="fft"

  3363. afftfilt_filter_deps="avcodec"

  3364. afftfilt_filter_select="fft"

  3365. afir_filter_deps="avcodec"

  3366. afir_filter_select="fft"

  3367. amovie_filter_deps="avcodec avformat"

  3368. aresample_filter_deps="swresample"

  3369. ass_filter_deps="libass"

  3370. atempo_filter_deps="avcodec"

  3371. atempo_filter_select="rdft"

  3372. avgblur_opencl_filter_deps="opencl"

  3373. azmq_filter_deps="libzmq"

  3374. blackframe_filter_deps="gpl"

  3375. bm3d_filter_deps="avcodec"

  3376. bm3d_filter_select="dct"

  3377. boxblur_filter_deps="gpl"

  3378. boxblur_opencl_filter_deps="opencl gpl"

  3379. bs2b_filter_deps="libbs2b"

  3380. colormatrix_filter_deps="gpl"

  3381. convolution_opencl_filter_deps="opencl"

  3382. convolve_filter_deps="avcodec"

  3383. convolve_filter_select="fft"

  3384. coreimage_filter_deps="coreimage appkit"

  3385. coreimage_filter_extralibs="-framework OpenGL"

  3386. coreimagesrc_filter_deps="coreimage appkit"

  3387. coreimagesrc_filter_extralibs="-framework OpenGL"

  3388. cover_rect_filter_deps="avcodec avformat gpl"

  3389. cropdetect_filter_deps="gpl"

  3390. deconvolve_filter_deps="avcodec"

  3391. deconvolve_filter_select="fft"

  3392. deinterlace_qsv_filter_deps="libmfx"

  3393. deinterlace_vaapi_filter_deps="vaapi"

  3394. delogo_filter_deps="gpl"

  3395. denoise_vaapi_filter_deps="vaapi"

  3396. deshake_filter_select="pixelutils"

  3397. dilation_opencl_filter_deps="opencl"

  3398. drawtext_filter_deps="libfreetype"

  3399. drawtext_filter_suggest="libfontconfig libfribidi"

  3400. elbg_filter_deps="avcodec"

  3401. eq_filter_deps="gpl"

  3402. erosion_opencl_filter_deps="opencl"

  3403. fftfilt_filter_deps="avcodec"

  3404. fftfilt_filter_select="rdft"

  3405. fftdnoiz_filter_deps="avcodec"

  3406. fftdnoiz_filter_select="fft"

  3407. find_rect_filter_deps="avcodec avformat gpl"

  3408. firequalizer_filter_deps="avcodec"

  3409. firequalizer_filter_select="rdft"

  3410. flite_filter_deps="libflite"

  3411. framerate_filter_select="scene_sad"

  3412. freezedetect_filter_select="scene_sad"

  3413. frei0r_filter_deps="frei0r libdl"

  3414. frei0r_src_filter_deps="frei0r libdl"

  3415. fspp_filter_deps="gpl"

  3416. geq_filter_deps="gpl"

  3417. histeq_filter_deps="gpl"

  3418. hqdn3d_filter_deps="gpl"

  3419. interlace_filter_deps="gpl"

  3420. kerndeint_filter_deps="gpl"

  3421. ladspa_filter_deps="ladspa libdl"

  3422. lensfun_filter_deps="liblensfun version3"

  3423. lv2_filter_deps="lv2"

  3424. mcdeint_filter_deps="avcodec gpl"

  3425. movie_filter_deps="avcodec avformat"

  3426. mpdecimate_filter_deps="gpl"

  3427. mpdecimate_filter_select="pixelutils"

  3428. minterpolate_filter_select="scene_sad"

  3429. mptestsrc_filter_deps="gpl"

  3430. negate_filter_deps="lut_filter"

  3431. nnedi_filter_deps="gpl"

  3432. ocr_filter_deps="libtesseract"

  3433. ocv_filter_deps="libopencv"

  3434. openclsrc_filter_deps="opencl"

  3435. overlay_opencl_filter_deps="opencl"

  3436. overlay_qsv_filter_deps="libmfx"

  3437. overlay_qsv_filter_select="qsvvpp"

  3438. owdenoise_filter_deps="gpl"

  3439. pan_filter_deps="swresample"

  3440. perspective_filter_deps="gpl"

  3441. phase_filter_deps="gpl"

  3442. pp7_filter_deps="gpl"

  3443. pp_filter_deps="gpl postproc"

  3444. prewitt_opencl_filter_deps="opencl"

  3445. procamp_vaapi_filter_deps="vaapi"

  3446. program_opencl_filter_deps="opencl"

  3447. pullup_filter_deps="gpl"

  3448. removelogo_filter_deps="avcodec avformat swscale"

  3449. repeatfields_filter_deps="gpl"

  3450. resample_filter_deps="avresample"

  3451. roberts_opencl_filter_deps="opencl"

  3452. rubberband_filter_deps="librubberband"

  3453. sab_filter_deps="gpl swscale"

  3454. scale2ref_filter_deps="swscale"

  3455. scale_filter_deps="swscale"

  3456. scale_qsv_filter_deps="libmfx"

  3457. select_filter_select="scene_sad"

  3458. sharpness_vaapi_filter_deps="vaapi"

  3459. showcqt_filter_deps="avcodec avformat swscale"

  3460. showcqt_filter_suggest="libfontconfig libfreetype"

  3461. showcqt_filter_select="fft"

  3462. showfreqs_filter_deps="avcodec"

  3463. showfreqs_filter_select="fft"

  3464. showspectrum_filter_deps="avcodec"

  3465. showspectrum_filter_select="fft"

  3466. showspectrumpic_filter_deps="avcodec"

  3467. showspectrumpic_filter_select="fft"

  3468. signature_filter_deps="gpl avcodec avformat"

  3469. smartblur_filter_deps="gpl swscale"

  3470. sobel_opencl_filter_deps="opencl"

  3471. sofalizer_filter_deps="libmysofa avcodec"

  3472. sofalizer_filter_select="fft"

  3473. spectrumsynth_filter_deps="avcodec"

  3474. spectrumsynth_filter_select="fft"

  3475. spp_filter_deps="gpl avcodec"

  3476. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3477. sr_filter_deps="avformat swscale"

  3478. sr_filter_select="dnn"

  3479. stereo3d_filter_deps="gpl"

  3480. subtitles_filter_deps="avformat avcodec libass"

  3481. super2xsai_filter_deps="gpl"

  3482. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3483. tinterlace_filter_deps="gpl"

  3484. tinterlace_merge_test_deps="tinterlace_filter"

  3485. tinterlace_pad_test_deps="tinterlace_filter"

  3486. tonemap_filter_deps="const_nan"

  3487. tonemap_opencl_filter_deps="opencl const_nan"

  3488. transpose_opencl_filter_deps="opencl"

  3489. transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags"

  3490. unsharp_opencl_filter_deps="opencl"

  3491. uspp_filter_deps="gpl avcodec"

  3492. vaguedenoiser_filter_deps="gpl"

  3493. vidstabdetect_filter_deps="libvidstab"

  3494. vidstabtransform_filter_deps="libvidstab"

  3495. libvmaf_filter_deps="libvmaf pthreads"

  3496. zmq_filter_deps="libzmq"

  3497. zoompan_filter_deps="swscale"

  3498. zscale_filter_deps="libzimg const_nan"

  3499. scale_vaapi_filter_deps="vaapi"

  3500. vpp_qsv_filter_deps="libmfx"

  3501. vpp_qsv_filter_select="qsvvpp"

  3502. yadif_cuda_filter_deps="cuda_sdk"

  3503. 

  3504. # examples

  3505. avio_dir_cmd_deps="avformat avutil"

  3506. avio_reading_deps="avformat avcodec avutil"

  3507. decode_audio_example_deps="avcodec avutil"

  3508. decode_video_example_deps="avcodec avutil"

  3509. demuxing_decoding_example_deps="avcodec avformat avutil"

  3510. encode_audio_example_deps="avcodec avutil"

  3511. encode_video_example_deps="avcodec avutil"

  3512. extract_mvs_example_deps="avcodec avformat avutil"

  3513. filter_audio_example_deps="avfilter avutil"

  3514. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3515. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3516. http_multiclient_example_deps="avformat avutil fork"

  3517. hw_decode_example_deps="avcodec avformat avutil"

  3518. metadata_example_deps="avformat avutil"

  3519. muxing_example_deps="avcodec avformat avutil swscale"

  3520. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"

  3521. remuxing_example_deps="avcodec avformat avutil"

  3522. resampling_audio_example_deps="avutil swresample"

  3523. scaling_video_example_deps="avutil swscale"

  3524. transcode_aac_example_deps="avcodec avformat swresample"

  3525. transcoding_example_deps="avfilter avcodec avformat avutil"

  3526. vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"

  3527. vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"

  3528. 

  3529. # EXTRALIBS_LIST

  3530. cpu_init_extralibs="pthreads_extralibs"

  3531. cws2fws_extralibs="zlib_extralibs"

  3532. 

  3533. # libraries, in any order

  3534. avcodec_deps="avutil"

  3535. avcodec_suggest="libm"

  3536. avcodec_select="null_bsf"

  3537. avdevice_deps="avformat avcodec avutil"

  3538. avdevice_suggest="libm"

  3539. avfilter_deps="avutil"

  3540. avfilter_suggest="libm"

  3541. avformat_deps="avcodec avutil"

  3542. avformat_suggest="libm network zlib"

  3543. avresample_deps="avutil"

  3544. avresample_suggest="libm"

  3545. avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"

  3546. postproc_deps="avutil gpl"

  3547. postproc_suggest="libm"

  3548. swresample_deps="avutil"

  3549. swresample_suggest="libm libsoxr"

  3550. swscale_deps="avutil"

  3551. swscale_suggest="libm"

  3552. 

  3553. avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"

  3554. avfilter_extralibs="pthreads_extralibs"

  3555. avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"

  3556. 

  3557. # programs

  3558. ffmpeg_deps="avcodec avfilter avformat"

  3559. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3560.                null_filter

  3561.                trim_filter"

  3562. ffmpeg_suggest="ole32 psapi shell32"

  3563. ffplay_deps="avcodec avformat swscale swresample sdl2"

  3564. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3565. ffplay_suggest="shell32"

  3566. ffprobe_deps="avcodec avformat"

  3567. ffprobe_suggest="shell32"

  3568. 

  3569. # documentation

  3570. podpages_deps="perl"

  3571. manpages_deps="perl pod2man"

  3572. htmlpages_deps="perl"

  3573. htmlpages_deps_any="makeinfo_html texi2html"

  3574. txtpages_deps="perl makeinfo"

  3575. doc_deps_any="manpages htmlpages podpages txtpages"

  3576. 

  3577. # default parameters

  3578. 

  3579. logfile="ffbuild/config.log"

  3580. 

  3581. # installation paths

  3582. prefix_default="/usr/local"

  3583. bindir_default='${prefix}/bin'

  3584. datadir_default='${prefix}/share/ffmpeg'

  3585. docdir_default='${prefix}/share/doc/ffmpeg'

  3586. incdir_default='${prefix}/include'

  3587. libdir_default='${prefix}/lib'

  3588. mandir_default='${prefix}/share/man'

  3589. 

  3590. # toolchain

  3591. ar_default="ar"

  3592. cc_default="gcc"

  3593. cxx_default="g++"

  3594. host_cc_default="gcc"

  3595. doxygen_default="doxygen"

  3596. install="install"

  3597. ln_s_default="ln -s -f"

  3598. nm_default="nm -g"

  3599. pkg_config_default=pkg-config

  3600. ranlib_default="ranlib"

  3601. strip_default="strip"

  3602. version_script='--version-script'

  3603. objformat="elf32"

  3604. x86asmexe_default="nasm"

  3605. windres_default="windres"

  3606. nvcc_default="nvcc"

  3607. nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"

  3608. striptype="direct"

  3609. 

  3610. # OS

  3611. target_os_default=$(tolower $(uname -s))

  3612. host_os=$target_os_default

  3613. 

  3614. # machine

  3615. if test "$target_os_default" = aix; then

  3616.     arch_default=$(uname -p)

  3617.     strip_default="strip -X32_64"

  3618.     nm_default="nm -g -X32_64"

  3619. else

  3620.     arch_default=$(uname -m)

  3621. fi

  3622. cpu="generic"

  3623. intrinsics="none"

  3624. 

  3625. # configurable options

  3626. enable $PROGRAM_LIST

  3627. enable $DOCUMENT_LIST

  3628. enable $EXAMPLE_LIST

  3629. enable $(filter_out avresample $LIBRARY_LIST)

  3630. enable stripping

  3631. 

  3632. enable asm

  3633. enable debug

  3634. enable doc

  3635. enable faan faandct faanidct

  3636. enable optimizations

  3637. enable runtime_cpudetect

  3638. enable safe_bitstream_reader

  3639. enable static

  3640. enable swscale_alpha

  3641. enable valgrind_backtrace

  3642. 

  3643. sws_max_filter_size_default=256

  3644. set_default sws_max_filter_size

  3645. 

  3646. # internal components are enabled by default

  3647. enable $EXTRALIBS_LIST

  3648. 

  3649. # Avoid external, non-system, libraries getting enabled by dependency resolution

  3650. disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST

  3651. 

  3652. # build settings

  3653. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3654. LIBPREF="lib"

  3655. LIBSUF=".a"

  3656. FULLNAME='$(NAME)$(BUILDSUF)'

  3657. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3658. SLIBPREF="lib"

  3659. SLIBSUF=".so"

  3660. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3661. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3662. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3663. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3664. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3665. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3666. VERSION_SCRIPT_POSTPROCESS_CMD="cat"

  3667. 

  3668. asflags_filter=echo

  3669. cflags_filter=echo

  3670. ldflags_filter=echo

  3671. 

  3672. AS_C='-c'

  3673. AS_O='-o $@'

  3674. CC_C='-c'

  3675. CC_E='-E -o $@'

  3676. CC_O='-o $@'

  3677. CXX_C='-c'

  3678. CXX_O='-o $@'

  3679. OBJCC_C='-c'

  3680. OBJCC_E='-E -o $@'

  3681. OBJCC_O='-o $@'

  3682. X86ASM_O='-o $@'

  3683. LD_O='-o $@'

  3684. LD_LIB='-l%'

  3685. LD_PATH='-L'

  3686. HOSTCC_C='-c'

  3687. HOSTCC_E='-E -o $@'

  3688. HOSTCC_O='-o $@'

  3689. HOSTLD_O='-o $@'

  3690. NVCC_C='-c'

  3691. NVCC_O='-o $@'

  3692. 

  3693. host_extralibs='-lm'

  3694. host_cflags_filter=echo

  3695. host_ldflags_filter=echo

  3696. 

  3697. target_path='$(CURDIR)'

  3698. 

  3699. # since the object filename is not given with the -MM flag, the compiler

  3700. # is only able to print the basename, and we must add the path ourselves

  3701. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3702. DEPFLAGS='-MM'

  3703. 

  3704. mkdir -p ffbuild

  3705. 

  3706. # find source path

  3707. if test -f configure; then

  3708.     source_path=.

  3709. else

  3710.     source_path=$(cd $(dirname "$0"); pwd)

  3711.     case "$source_path" in

  3712.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3713.     esac

  3714.     test -e "$source_path/config.h" &&

  3715.         die "Out of tree builds are impossible with config.h in source dir."

  3716. fi

  3717. 

  3718. for v in "$@"; do

  3719.     r=${v#*=}

  3720.     l=${v%"$r"}

  3721.     r=$(sh_quote "$r")

  3722.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3723. done

  3724. 

  3725. find_things_extern(){

  3726.     thing=$1

  3727.     pattern=$2

  3728.     file=$source_path/$3

  3729.     out=${4:-$thing}

  3730.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"

  3731. }

  3732. 

  3733. find_filters_extern(){

  3734.     file=$source_path/$1

  3735.     sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file

  3736. }

  3737. 

  3738. FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)

  3739. OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)

  3740. INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)

  3741. MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)

  3742. DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)

  3743. ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)

  3744. DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)

  3745. CODEC_LIST="

  3746.     $ENCODER_LIST

  3747.     $DECODER_LIST

  3748. "

  3749. PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)

  3750. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3751. HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)

  3752. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3753. 

  3754. AVCODEC_COMPONENTS_LIST="

  3755.     $BSF_LIST

  3756.     $DECODER_LIST

  3757.     $ENCODER_LIST

  3758.     $HWACCEL_LIST

  3759.     $PARSER_LIST

  3760. "

  3761. 

  3762. AVDEVICE_COMPONENTS_LIST="

  3763.     $INDEV_LIST

  3764.     $OUTDEV_LIST

  3765. "

  3766. 

  3767. AVFILTER_COMPONENTS_LIST="

  3768.     $FILTER_LIST

  3769. "

  3770. 

  3771. AVFORMAT_COMPONENTS_LIST="

  3772.     $DEMUXER_LIST

  3773.     $MUXER_LIST

  3774.     $PROTOCOL_LIST

  3775. "

  3776. 

  3777. ALL_COMPONENTS="

  3778.     $AVCODEC_COMPONENTS_LIST

  3779.     $AVDEVICE_COMPONENTS_LIST

  3780.     $AVFILTER_COMPONENTS_LIST

  3781.     $AVFORMAT_COMPONENTS_LIST

  3782. "

  3783. 

  3784. for n in $COMPONENT_LIST; do

  3785.     v=$(toupper ${n%s})_LIST

  3786.     eval enable \$$v

  3787.     eval ${n}_if_any="\$$v"

  3788. done

  3789. 

  3790. enable $ARCH_EXT_LIST

  3791. 

  3792. die_unknown(){

  3793.     echo "Unknown option \"$1\"."

  3794.     echo "See $0 --help for available options."

  3795.     exit 1

  3796. }

  3797. 

  3798. print_in_columns() {

  3799.     cols=$(expr $ncols / 24)

  3800.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3801. }

  3802. 

  3803. show_list() {

  3804.     suffix=_$1

  3805.     shift

  3806.     echo $* | sed s/$suffix//g | print_in_columns

  3807.     exit 0

  3808. }

  3809. 

  3810. rand_list(){

  3811.     IFS=', '

  3812.     set -- $*

  3813.     unset IFS

  3814.     for thing; do

  3815.         comp=${thing%:*}

  3816.         prob=${thing#$comp}

  3817.         prob=${prob#:}

  3818.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3819.         echo "prob ${prob:-0.5}"

  3820.         printf '%s\n' $comp

  3821.     done

  3822. }

  3823. 

  3824. do_random(){

  3825.     action=$1

  3826.     shift

  3827.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3828.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3829. }

  3830. 

  3831. for opt do

  3832.     optval="${opt#*=}"

  3833.     case "$opt" in

  3834.         --extra-ldflags=*)

  3835.             add_ldflags $optval

  3836.         ;;

  3837.         --extra-ldexeflags=*)

  3838.             add_ldexeflags $optval

  3839.         ;;

  3840.         --extra-ldsoflags=*)

  3841.             add_ldsoflags $optval

  3842.         ;;

  3843.         --extra-ldlibflags=*)

  3844.             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\

  3845.                  "removed in the future. Use --extra-ldsoflags instead."

  3846.             add_ldsoflags $optval

  3847.         ;;

  3848.         --extra-libs=*)

  3849.             add_extralibs $optval

  3850.         ;;

  3851.         --disable-devices)

  3852.             disable $INDEV_LIST $OUTDEV_LIST

  3853.         ;;

  3854.         --enable-debug=*)

  3855.             debuglevel="$optval"

  3856.         ;;

  3857.         --disable-programs)

  3858.             disable $PROGRAM_LIST

  3859.         ;;

  3860.         --disable-everything)

  3861.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3862.         ;;

  3863.         --disable-all)

  3864.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3865.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3866.             enable avutil

  3867.         ;;

  3868.         --enable-random|--disable-random)

  3869.             action=${opt%%-random}

  3870.             do_random ${action#--} $COMPONENT_LIST

  3871.         ;;

  3872.         --enable-random=*|--disable-random=*)

  3873.             action=${opt%%-random=*}

  3874.             do_random ${action#--} $optval

  3875.         ;;

  3876.         --enable-sdl)

  3877.             enable sdl2

  3878.         ;;

  3879.         --enable-*=*|--disable-*=*)

  3880.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3881.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3882.             eval list=\$$(toupper $thing)_LIST

  3883.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3884.             list=$(filter "$name" $list)

  3885.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3886.             $action $list

  3887.         ;;

  3888.         --enable-yasm|--disable-yasm)

  3889.             warn "The ${opt} option is only provided for compatibility and will be\n"\

  3890.                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."

  3891.             test $opt = --enable-yasm && x86asm=yes || x86asm=no

  3892.         ;;

  3893.         --yasmexe=*)

  3894.             warn "The --yasmexe option is only provided for compatibility and will be\n"\

  3895.                  "removed in the future. Use --x86asmexe instead."

  3896.             x86asmexe="$optval"

  3897.         ;;

  3898.         --enable-?*|--disable-?*)

  3899.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3900.             if is_in $option $COMPONENT_LIST; then

  3901.                 test $action = disable && action=unset

  3902.                 eval $action \$$(toupper ${option%s})_LIST

  3903.             elif is_in $option $CMDLINE_SELECT; then

  3904.                 $action $option

  3905.             else

  3906.                 die_unknown $opt

  3907.             fi

  3908.         ;;

  3909.         --list-*)

  3910.             NAME="${opt#--list-}"

  3911.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3912.             NAME=${NAME%s}

  3913.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3914.         ;;

  3915.         --help|-h) show_help

  3916.         ;;

  3917.         --quiet|-q) quiet=yes

  3918.         ;;

  3919.         --fatal-warnings) enable fatal_warnings

  3920.         ;;

  3921.         --libfuzzer=*)

  3922.             libfuzzer_path="$optval"

  3923.         ;;

  3924.         *)

  3925.             optname="${opt%%=*}"

  3926.             optname="${optname#--}"

  3927.             optname=$(echo "$optname" | sed 's/-/_/g')

  3928.             if is_in $optname $CMDLINE_SET; then

  3929.                 eval $optname='$optval'

  3930.             elif is_in $optname $CMDLINE_APPEND; then

  3931.                 append $optname "$optval"

  3932.             else

  3933.                 die_unknown $opt

  3934.             fi

  3935.         ;;

  3936.     esac

  3937. done

  3938. 

  3939. for e in $env; do

  3940.     eval "export $e"

  3941. done

  3942. 

  3943. if disabled autodetect; then

  3944. 

  3945.     # Unless iconv is explicitely disabled by the user, we still want to probe

  3946.     # for the iconv from the libc.

  3947.     disabled iconv || enable libc_iconv

  3948. 

  3949.     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3950.     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3951. fi

  3952. # Mark specifically enabled, but normally autodetected libraries as requested.

  3953. for lib in $AUTODETECT_LIBS; do

  3954.     enabled $lib && request $lib

  3955. done

  3956. #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way

  3957. enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3958. enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3959. 

  3960. disabled logging && logfile=/dev/null

  3961. 

  3962. # command line configuration sanity checks

  3963. 

  3964. # we need to build at least one lib type

  3965. if ! enabled_any static shared; then

  3966.     cat <<EOF

  3967. At least one library type must be built.

  3968. Specify --enable-static to build the static libraries or --enable-shared to

  3969. build the shared libraries as well. To only build the shared libraries specify

  3970. --disable-static in addition to --enable-shared.

  3971. EOF

  3972.     exit 1

  3973. fi

  3974. 

  3975. die_license_disabled() {

  3976.     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }

  3977. }

  3978. 

  3979. die_license_disabled_gpl() {

  3980.     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }

  3981. }

  3982. 

  3983. map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3984. map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3985. 

  3986. enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST

  3987. map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST

  3988. 

  3989. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  3990. 

  3991. if enabled nonfree; then

  3992.     license="nonfree and unredistributable"

  3993. elif enabled gplv3; then

  3994.     license="GPL version 3 or later"

  3995. elif enabled lgplv3; then

  3996.     license="LGPL version 3 or later"

  3997. elif enabled gpl; then

  3998.     license="GPL version 2 or later"

  3999. else

  4000.     license="LGPL version 2.1 or later"

  4001. fi

  4002. 

  4003. enabled_all gnutls openssl &&

  4004.     die "GnuTLS and OpenSSL must not be enabled at the same time."

  4005. 

  4006. enabled_all gnutls mbedtls &&

  4007.     die "GnuTLS and mbedTLS must not be enabled at the same time."

  4008. 

  4009. enabled_all openssl mbedtls &&

  4010.     die "OpenSSL and mbedTLS must not be enabled at the same time."

  4011. 

  4012. # Disable all the library-specific components if the library itself

  4013. # is disabled, see AVCODEC_LIST and following _LIST variables.

  4014. 

  4015. disable_components(){

  4016.     disabled ${1} && disable $(

  4017.         eval components="\$$(toupper ${1})_COMPONENTS"

  4018.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  4019.     )

  4020. }

  4021. 

  4022. map 'disable_components $v' $LIBRARY_LIST

  4023. 

  4024. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  4025. set >> $logfile

  4026. 

  4027. test -n "$valgrind" && toolchain="valgrind-memcheck"

  4028. 

  4029. enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize="  && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{

  4030.     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer

  4031.     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp

  4032. }

  4033. 

  4034. case "$toolchain" in

  4035.     *-asan)

  4036.         cc_default="${toolchain%-asan}"

  4037.         add_cflags  -fsanitize=address

  4038.         add_ldflags -fsanitize=address

  4039.     ;;

  4040.     *-msan)

  4041.         cc_default="${toolchain%-msan}"

  4042.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  4043.         add_ldflags -fsanitize=memory

  4044.     ;;

  4045.     *-tsan)

  4046.         cc_default="${toolchain%-tsan}"

  4047.         add_cflags  -fsanitize=thread

  4048.         add_ldflags -fsanitize=thread

  4049.         case "$toolchain" in

  4050.             gcc-tsan)

  4051.                 add_cflags  -fPIC

  4052.                 add_ldflags -fPIC

  4053.                 ;;

  4054.         esac

  4055.     ;;

  4056.     *-usan)

  4057.         cc_default="${toolchain%-usan}"

  4058.         add_cflags  -fsanitize=undefined

  4059.         add_ldflags -fsanitize=undefined

  4060.     ;;

  4061.     valgrind-*)

  4062.         target_exec_default="valgrind"

  4063.         case "$toolchain" in

  4064.             valgrind-massif)

  4065.                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"

  4066.                 ;;

  4067.             valgrind-memcheck)

  4068.                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"

  4069.                 ;;

  4070.         esac

  4071.     ;;

  4072.     msvc)

  4073.         # Check whether the current MSVC version needs the C99 converter.

  4074.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  4075.         # support enough of C99 to build ffmpeg. Default to the new

  4076.         # behaviour if the regexp was unable to match anything, since this

  4077.         # successfully parses the version number of existing supported

  4078.         # versions that require the converter (MSVC 2010 and 2012).

  4079.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  4080.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  4081.             cc_default="cl"

  4082.             cxx_default="cl"

  4083.         else

  4084.             die "Unsupported MSVC version (2013 or newer required)"

  4085.         fi

  4086.         ld_default="$source_path/compat/windows/mslink"

  4087.         nm_default="dumpbin -symbols"

  4088.         ar_default="lib"

  4089.         case "$arch" in

  4090.         aarch64|arm64)

  4091.             as_default="armasm64"

  4092.             ;;

  4093.         arm*)

  4094.             as_default="armasm"

  4095.             ;;

  4096.         esac

  4097.         target_os_default="win32"

  4098.         # Use a relative path for TMPDIR. This makes sure all the

  4099.         # ffconf temp files are written with a relative path, avoiding

  4100.         # issues with msys/win32 path conversion for MSVC parameters

  4101.         # such as -Fo<file> or -out:<file>.

  4102.         TMPDIR=.

  4103.     ;;

  4104.     icl)

  4105.         cc_default="icl"

  4106.         ld_default="xilink"

  4107.         nm_default="dumpbin -symbols"

  4108.         ar_default="xilib"

  4109.         target_os_default="win32"

  4110.         TMPDIR=.

  4111.     ;;

  4112.     gcov)

  4113.         add_cflags  -fprofile-arcs -ftest-coverage

  4114.         add_ldflags -fprofile-arcs -ftest-coverage

  4115.     ;;

  4116.     llvm-cov)

  4117.         add_cflags -fprofile-arcs -ftest-coverage

  4118.         add_ldflags --coverage

  4119.     ;;

  4120.     hardened)

  4121.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  4122.         add_cflags   -fno-strict-overflow -fstack-protector-all

  4123.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  4124.         add_cflags   -fPIE

  4125.         add_ldexeflags -fPIE -pie

  4126.     ;;

  4127.     ?*)

  4128.         die "Unknown toolchain $toolchain"

  4129.     ;;

  4130. esac

  4131. 

  4132. if test -n "$cross_prefix"; then

  4133.     test -n "$arch" && test -n "$target_os" ||

  4134.         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"

  4135.     enable cross_compile

  4136. fi

  4137. 

  4138. set_default target_os

  4139. if test "$target_os" = android; then

  4140.     cc_default="clang"

  4141. fi

  4142. 

  4143. ar_default="${cross_prefix}${ar_default}"

  4144. cc_default="${cross_prefix}${cc_default}"

  4145. cxx_default="${cross_prefix}${cxx_default}"

  4146. nm_default="${cross_prefix}${nm_default}"

  4147. pkg_config_default="${cross_prefix}${pkg_config_default}"

  4148. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  4149.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  4150. else

  4151.     ranlib_default="${cross_prefix}${ranlib_default}"

  4152. fi

  4153. strip_default="${cross_prefix}${strip_default}"

  4154. windres_default="${cross_prefix}${windres_default}"

  4155. 

  4156. sysinclude_default="${sysroot}/usr/include"

  4157. 

  4158. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  4159.     target_exec x86asmexe nvcc

  4160. enabled cross_compile || host_cc_default=$cc

  4161. set_default host_cc

  4162. 

  4163. pkg_config_fail_message=""

  4164. if ! $pkg_config --version >/dev/null 2>&1; then

  4165.     warn "$pkg_config not found, library detection may fail."

  4166.     pkg_config=false

  4167. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  4168.     pkg_config_fail_message="

  4169. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  4170. fi

  4171. 

  4172. if test $doxygen != $doxygen_default && \

  4173.   ! $doxygen --version >/dev/null 2>&1; then

  4174.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  4175. fi

  4176. 

  4177. exesuf() {

  4178.     case $1 in

  4179.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  4180.     esac

  4181. }

  4182. 

  4183. EXESUF=$(exesuf $target_os)

  4184. HOSTEXESUF=$(exesuf $host_os)

  4185. 

  4186. # set temporary file name

  4187. : ${TMPDIR:=$TEMPDIR}

  4188. : ${TMPDIR:=$TMP}

  4189. : ${TMPDIR:=/tmp}

  4190. 

  4191. if [ -n "$tempprefix" ] ; then

  4192.     mktemp(){

  4193.         tmpname="$tempprefix.${HOSTNAME}.${UID}"

  4194.         echo "$tmpname"

  4195.         mkdir "$tmpname"

  4196.     }

  4197. elif ! test_cmd mktemp -u XXXXXX; then

  4198.     # simple replacement for missing mktemp

  4199.     # NOT SAFE FOR GENERAL USE

  4200.     mktemp(){

  4201.         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  4202.         echo "$tmpname"

  4203.         mkdir "$tmpname"

  4204.     }

  4205. fi

  4206. 

  4207. FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||

  4208.     die "Unable to create temporary directory in $TMPDIR."

  4209. 

  4210. tmpfile(){

  4211.     tmp="${FFTMPDIR}/test"$2

  4212.     (set -C; exec > $tmp) 2> /dev/null ||

  4213.         die "Unable to create temporary file in $FFTMPDIR."

  4214.     eval $1=$tmp

  4215. }

  4216. 

  4217. trap 'rm -rf -- "$FFTMPDIR"' EXIT

  4218. trap 'exit 2' INT

  4219. 

  4220. tmpfile TMPASM .asm

  4221. tmpfile TMPC   .c

  4222. tmpfile TMPCPP .cpp

  4223. tmpfile TMPE   $EXESUF

  4224. tmpfile TMPH   .h

  4225. tmpfile TMPM   .m

  4226. tmpfile TMPO   .o

  4227. tmpfile TMPS   .S

  4228. tmpfile TMPSH  .sh

  4229. tmpfile TMPV   .ver

  4230. 

  4231. unset -f mktemp

  4232. 

  4233. chmod +x $TMPE

  4234. 

  4235. # make sure we can execute files in $TMPDIR

  4236. cat > $TMPSH 2>> $logfile <<EOF

  4237. #! /bin/sh

  4238. EOF

  4239. chmod +x $TMPSH >> $logfile 2>&1

  4240. if ! $TMPSH >> $logfile 2>&1; then

  4241.     cat <<EOF

  4242. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  4243. variable to another directory and make sure that it is not mounted noexec.

  4244. EOF

  4245.     die "Sanity test failed."

  4246. fi

  4247. 

  4248. armasm_flags(){

  4249.     for flag; do

  4250.         case $flag in

  4251.             # Filter out MSVC cl.exe options from cflags that shouldn't

  4252.             # be passed to gas-preprocessor

  4253.             -M[TD]*)                                            ;;

  4254.             *)                  echo $flag                      ;;

  4255.         esac

  4256.    done

  4257. }

  4258. 

  4259. cparser_flags(){

  4260.     for flag; do

  4261.         case $flag in

  4262.             -Wno-switch)             echo -Wno-switch-enum ;;

  4263.             -Wno-format-zero-length) ;;

  4264.             -Wdisabled-optimization) ;;

  4265.             -Wno-pointer-sign)       echo -Wno-other ;;

  4266.             *)                       echo $flag ;;

  4267.         esac

  4268.     done

  4269. }

  4270. 

  4271. msvc_common_flags(){

  4272.     for flag; do

  4273.         case $flag in

  4274.             # In addition to specifying certain flags under the compiler

  4275.             # specific filters, they must be specified here as well or else the

  4276.             # generic catch all at the bottom will print the original flag.

  4277.             -Wall)                ;;

  4278.             -Wextra)              ;;

  4279.             -std=c99)             ;;

  4280.             # Common flags

  4281.             -fomit-frame-pointer) ;;

  4282.             -g)                   echo -Z7 ;;

  4283.             -fno-math-errno)      ;;

  4284.             -fno-common)          ;;

  4285.             -fno-signed-zeros)    ;;

  4286.             -fPIC)                ;;

  4287.             -mthumb)              ;;

  4288.             -march=*)             ;;

  4289.             -lz)                  echo zlib.lib ;;

  4290.             -lx264)               echo libx264.lib ;;

  4291.             -lstdc++)             ;;

  4292.             -l*)                  echo ${flag#-l}.lib ;;

  4293.             -LARGEADDRESSAWARE)   echo $flag ;;

  4294.             -L*)                  echo -libpath:${flag#-L} ;;

  4295.             *)                    echo $flag ;;

  4296.         esac

  4297.     done

  4298. }

  4299. 

  4300. msvc_flags(){

  4301.     msvc_common_flags "$@"

  4302.     for flag; do

  4303.         case $flag in

  4304.             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \

  4305.                                        -wd4554 ;;

  4306.             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  4307.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  4308.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  4309.                                        -wd4307 \

  4310.                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;

  4311.         esac

  4312.     done

  4313. }

  4314. 

  4315. icl_flags(){

  4316.     msvc_common_flags "$@"

  4317.     for flag; do

  4318.         case $flag in

  4319.             # Despite what Intel's documentation says -Wall, which is supported

  4320.             # on Windows, does enable remarks so disable them here.

  4321.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  4322.             -std=c99)             echo -Qstd=c99 ;;

  4323.             -flto)                echo -ipo ;;

  4324.         esac

  4325.     done

  4326. }

  4327. 

  4328. icc_flags(){

  4329.     for flag; do

  4330.         case $flag in

  4331.             -flto)                echo -ipo ;;

  4332.             *)                    echo $flag ;;

  4333.         esac

  4334.     done

  4335. }

  4336. 

  4337. suncc_flags(){

  4338.     for flag; do

  4339.         case $flag in

  4340.             -march=*|-mcpu=*)

  4341.                 case "${flag#*=}" in

  4342.                     native)                   echo -xtarget=native       ;;

  4343.                     v9|niagara)               echo -xarch=sparc          ;;

  4344.                     ultrasparc)               echo -xarch=sparcvis       ;;

  4345.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  4346.                     i586|pentium)             echo -xchip=pentium        ;;

  4347.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  4348.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  4349.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  4350.                     pentium4*)          echo -xtarget=pentium4           ;;

  4351.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  4352.                     *-sse3)             echo -xarch=sse3                 ;;

  4353.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  4354.                     bonnell)                   echo -xarch=ssse3         ;;

  4355.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  4356.                     westmere)                  echo -xtarget=westmere    ;;

  4357.                     silvermont)                echo -xarch=sse4_2        ;;

  4358.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  4359.                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)

  4360.                                                echo -xarch=avx           ;;

  4361.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  4362.                     btver1)                    echo -xarch=amdsse4a      ;;

  4363.                     btver2|bdver*|znver*)      echo -xarch=avx           ;;

  4364.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  4365.                     k8|opteron|athlon64|athlon-fx)

  4366.                                                echo -xarch=sse2a         ;;

  4367.                     athlon*)                   echo -xarch=pentium_proa  ;;

  4368.                 esac

  4369.                 ;;

  4370.             -std=c99)             echo -xc99              ;;

  4371.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  4372.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  4373.             -W*,*)                echo $flag              ;;

  4374.             -f*-*|-W*|-mimpure-text)                      ;;

  4375.             -shared)              echo -G                 ;;

  4376.             *)                    echo $flag              ;;

  4377.         esac

  4378.     done

  4379. }

  4380. 

  4381. probe_cc(){

  4382.     pfx=$1

  4383.     _cc=$2

  4384.     first=$3

  4385. 

  4386.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  4387.     unset _ld_o _ldflags _ld_lib _ld_path

  4388.     unset _depflags _DEPCMD _DEPFLAGS

  4389.     _flags_filter=echo

  4390. 

  4391.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  4392.         true # no-op to avoid reading stdin in following checks

  4393.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  4394.         _type=llvm_gcc

  4395.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  4396.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  4397.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4398.         _cflags_speed='-O3'

  4399.         _cflags_size='-Os'

  4400.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  4401.         _type=gcc

  4402.         gcc_version=$($_cc --version | head -n1)

  4403.         gcc_basever=$($_cc -dumpversion)

  4404.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  4405.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  4406.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  4407.         case $gcc_basever in

  4408.             2) ;;

  4409.             2.*) ;;

  4410.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  4411.         esac

  4412.         if [ "$first" = true ]; then

  4413.             case $gcc_basever in

  4414.                 4.2*)

  4415.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  4416.             esac

  4417.         fi

  4418.         _cflags_speed='-O3'

  4419.         _cflags_size='-Os'

  4420.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  4421.         _type=icc

  4422.         _ident=$($_cc --version | head -n1)

  4423.         _depflags='-MMD'

  4424.         _cflags_speed='-O3'

  4425.         _cflags_size='-Os'

  4426.         _cflags_noopt='-O1'

  4427.         _flags_filter=icc_flags

  4428.     elif $_cc -v 2>&1 | grep -q xlc; then

  4429.         _type=xlc

  4430.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  4431.         _cflags_speed='-O5'

  4432.         _cflags_size='-O5 -qcompact'

  4433.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  4434.         test -d "$sysroot" || die "No valid sysroot specified."

  4435.         _type=armcc

  4436.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  4437.         armcc_conf="$PWD/armcc.conf"

  4438.         $_cc --arm_linux_configure                 \

  4439.              --arm_linux_config_file="$armcc_conf" \

  4440.              --configure_sysroot="$sysroot"        \

  4441.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  4442.              die "Error creating armcc configuration file."

  4443.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  4444.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  4445.         as_default="${cross_prefix}gcc"

  4446.         _depflags='-MMD'

  4447.         _cflags_speed='-O3'

  4448.         _cflags_size='-Os'

  4449.     elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then

  4450.         _type=clang

  4451.         _ident=$($_cc --version 2>/dev/null | head -n1)

  4452.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4453.         _cflags_speed='-O3'

  4454.         _cflags_size='-Oz'

  4455.     elif $_cc -V 2>&1 | grep -q Sun; then

  4456.         _type=suncc

  4457.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  4458.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  4459.         _DEPFLAGS='-xM1 -xc99'

  4460.         _ldflags='-std=c99'

  4461.         _cflags_speed='-O5'

  4462.         _cflags_size='-O5 -xspace'

  4463.         _flags_filter=suncc_flags

  4464.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  4465.         _type=pathscale

  4466.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4467.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4468.         _cflags_speed='-O2'

  4469.         _cflags_size='-Os'

  4470.         _flags_filter='filter_out -Wdisabled-optimization'

  4471.     elif $_cc -v 2>&1 | grep -q Open64; then

  4472.         _type=open64

  4473.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4474.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4475.         _cflags_speed='-O2'

  4476.         _cflags_size='-Os'

  4477.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  4478.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  4479.         _type=armasm

  4480.         _ident=$($_cc | head -n1)

  4481.         # 4509: "This form of conditional instruction is deprecated"

  4482.         _flags="-nologo -ignore 4509"

  4483.         _flags_filter=armasm_flags

  4484.     elif $_cc 2>&1 | grep -q Intel; then

  4485.         _type=icl

  4486.         _ident=$($_cc 2>&1 | head -n1)

  4487.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  4488.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  4489.         # versions (tested) as well.

  4490.         _cflags_speed="-O2"

  4491.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  4492.         if $_cc 2>&1 | grep -q Linker; then

  4493.             _ld_o='-out:$@'

  4494.         else

  4495.             _ld_o='-Fe$@'

  4496.         fi

  4497.         _cc_o='-Fo$@'

  4498.         _cc_e='-P'

  4499.         _flags_filter=icl_flags

  4500.         _ld_lib='lib%.a'

  4501.         _ld_path='-libpath:'

  4502.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  4503.         _flags='-nologo -Qdiag-error:4044,10157'

  4504.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  4505.         # with MSVC which enables it by default.

  4506.         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  4507.         disable stripping

  4508.     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then

  4509.         # lld can emulate multiple different linkers; in ms link.exe mode,

  4510.         # the -? parameter gives the help output which contains an identifyable

  4511.         # string, while it gives an error in other modes.

  4512.         _type=lld-link

  4513.         # The link.exe mode doesn't have a switch for getting the version,

  4514.         # but we can force it back to gnu mode and get the version from there.

  4515.         _ident=$($_cc -flavor gnu --version 2>/dev/null)

  4516.         _ld_o='-out:$@'

  4517.         _flags_filter=msvc_flags

  4518.         _ld_lib='lib%.a'

  4519.         _ld_path='-libpath:'

  4520.     elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then

  4521.         _type=msvc

  4522.         _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')

  4523.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  4524.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  4525.         _cflags_speed="-O2"

  4526.         _cflags_size="-O1"

  4527.         _cflags_noopt="-O1"

  4528.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4529.             _ld_o='-out:$@'

  4530.         else

  4531.             _ld_o='-Fe$@'

  4532.         fi

  4533.         _cc_o='-Fo$@'

  4534.         _cc_e='-P -Fi$@'

  4535.         _flags_filter=msvc_flags

  4536.         _ld_lib='lib%.a'

  4537.         _ld_path='-libpath:'

  4538.         _flags='-nologo'

  4539.         disable stripping

  4540.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4541.         _type=cparser

  4542.         _ident=$($_cc --version | head -n1)

  4543.         _depflags='-MMD'

  4544.         _cflags_speed='-O4'

  4545.         _cflags_size='-O2'

  4546.         _flags_filter=cparser_flags

  4547.     fi

  4548. 

  4549.     eval ${pfx}_type=\$_type

  4550.     eval ${pfx}_ident=\$_ident

  4551. }

  4552. 

  4553. set_ccvars(){

  4554.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4555.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4556.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4557. 

  4558.     if [ -n "$_depflags" ]; then

  4559.         eval ${1}_DEPFLAGS=\$_depflags

  4560.     else

  4561.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4562.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4563.         eval DEP${1}FLAGS=\$_flags

  4564.     fi

  4565. }

  4566. 

  4567. probe_cc cc "$cc" "true"

  4568. cflags_filter=$_flags_filter

  4569. cflags_speed=$_cflags_speed

  4570. cflags_size=$_cflags_size

  4571. cflags_noopt=$_cflags_noopt

  4572. add_cflags $_flags $_cflags

  4573. cc_ldflags=$_ldflags

  4574. set_ccvars CC

  4575. set_ccvars CXX

  4576. 

  4577. probe_cc hostcc "$host_cc"

  4578. host_cflags_filter=$_flags_filter

  4579. host_cflags_speed=$_cflags_speed

  4580. add_host_cflags  $_flags $_cflags

  4581. set_ccvars HOSTCC

  4582. 

  4583. test -n "$cc_type" && enable $cc_type ||

  4584.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4585. 

  4586. : ${as_default:=$cc}

  4587. : ${objcc_default:=$cc}

  4588. : ${dep_cc_default:=$cc}

  4589. : ${ld_default:=$cc}

  4590. : ${host_ld_default:=$host_cc}

  4591. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4592. 

  4593. probe_cc as "$as"

  4594. asflags_filter=$_flags_filter

  4595. add_asflags $_flags $_cflags

  4596. set_ccvars AS

  4597. 

  4598. probe_cc objcc "$objcc"

  4599. objcflags_filter=$_flags_filter

  4600. add_objcflags $_flags $_cflags

  4601. set_ccvars OBJC

  4602. 

  4603. probe_cc ld "$ld"

  4604. ldflags_filter=$_flags_filter

  4605. add_ldflags $_flags $_ldflags

  4606. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4607. LD_O=${_ld_o-$LD_O}

  4608. LD_LIB=${_ld_lib-$LD_LIB}

  4609. LD_PATH=${_ld_path-$LD_PATH}

  4610. 

  4611. probe_cc hostld "$host_ld"

  4612. host_ldflags_filter=$_flags_filter

  4613. add_host_ldflags $_flags $_ldflags

  4614. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4615. 

  4616. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4617.     probe_cc depcc "$dep_cc"

  4618.     CCDEP=${_DEPCMD:-$DEPCMD}

  4619.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4620.     DEPCCFLAGS=$_flags

  4621. fi

  4622. 

  4623. if $ar 2>&1 | grep -q Microsoft; then

  4624.     arflags="-nologo"

  4625.     ar_o='-out:$@'

  4626. elif $ar 2>&1 | grep -q "\[D\] "; then

  4627.     arflags="rcD"

  4628.     ar_o='$@'

  4629. else

  4630.     arflags="rc"

  4631.     ar_o='$@'

  4632. fi

  4633. 

  4634. add_cflags $extra_cflags

  4635. add_cxxflags $extra_cxxflags

  4636. add_objcflags $extra_objcflags

  4637. add_asflags $extra_cflags

  4638. 

  4639. if test -n "$sysroot"; then

  4640.     case "$cc_type" in

  4641.         gcc|llvm_gcc|clang)

  4642.             add_cppflags --sysroot="$sysroot"

  4643.             add_ldflags --sysroot="$sysroot"

  4644.         ;;

  4645.     esac

  4646. fi

  4647. 

  4648. if test "$cpu" = host; then

  4649.     enabled cross_compile &&

  4650.         die "--cpu=host makes no sense when cross-compiling."

  4651. 

  4652.     case "$cc_type" in

  4653.         gcc|llvm_gcc)

  4654.             check_native(){

  4655.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4656.                 sed -n "/cc1.*$1=/{

  4657.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4658.                             p

  4659.                             q

  4660.                         }" $TMPE

  4661.             }

  4662.             cpu=$(check_native -march || check_native -mcpu)

  4663.         ;;

  4664.         clang)

  4665.             check_native(){

  4666.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4667.                 sed -n "/cc1.*-target-cpu /{

  4668.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4669.                             p

  4670.                             q

  4671.                         }" $TMPE

  4672.             }

  4673.             cpu=$(check_native -march)

  4674.         ;;

  4675.     esac

  4676. 

  4677.     test "${cpu:-host}" = host &&

  4678.         die "--cpu=host not supported with compiler $cc"

  4679. fi

  4680. 

  4681. # Deal with common $arch aliases

  4682. case "$arch" in

  4683.     aarch64|arm64)

  4684.         arch="aarch64"

  4685.     ;;

  4686.     arm*|iPad*|iPhone*)

  4687.         arch="arm"

  4688.     ;;

  4689.     mips*|IP*)

  4690.         case "$arch" in

  4691.         *el)

  4692.             add_cppflags -EL

  4693.             add_ldflags -EL

  4694.         ;;

  4695.         *eb)

  4696.             add_cppflags -EB

  4697.             add_ldflags -EB

  4698.         ;;

  4699.         esac

  4700.         arch="mips"

  4701.     ;;

  4702.     parisc*|hppa*)

  4703.         arch="parisc"

  4704.     ;;

  4705.     "Power Macintosh"|ppc*|powerpc*)

  4706.         arch="ppc"

  4707.     ;;

  4708.     s390|s390x)

  4709.         arch="s390"

  4710.     ;;

  4711.     sh4|sh)

  4712.         arch="sh4"

  4713.     ;;

  4714.     sun4*|sparc*)

  4715.         arch="sparc"

  4716.     ;;

  4717.     tilegx|tile-gx)

  4718.         arch="tilegx"

  4719.     ;;

  4720.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4721.         arch="x86"

  4722.     ;;

  4723. esac

  4724. 

  4725. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4726. enable $arch

  4727. 

  4728. # Add processor-specific flags

  4729. if enabled aarch64; then

  4730. 

  4731.     case $cpu in

  4732.         armv*)

  4733.             cpuflags="-march=$cpu"

  4734.         ;;

  4735.         *)

  4736.             cpuflags="-mcpu=$cpu"

  4737.         ;;

  4738.     esac

  4739. 

  4740. elif enabled alpha; then

  4741. 

  4742.     cpuflags="-mcpu=$cpu"

  4743. 

  4744. elif enabled arm; then

  4745. 

  4746.     check_arm_arch() {

  4747.         test_cpp_condition stddef.h \

  4748.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4749.             $cpuflags

  4750.     }

  4751. 

  4752.     probe_arm_arch() {

  4753.         if   check_arm_arch 4;        then echo armv4

  4754.         elif check_arm_arch 4T;       then echo armv4t

  4755.         elif check_arm_arch 5;        then echo armv5

  4756.         elif check_arm_arch 5E;       then echo armv5e

  4757.         elif check_arm_arch 5T;       then echo armv5t

  4758.         elif check_arm_arch 5TE;      then echo armv5te

  4759.         elif check_arm_arch 5TEJ;     then echo armv5te

  4760.         elif check_arm_arch 6;        then echo armv6

  4761.         elif check_arm_arch 6J;       then echo armv6j

  4762.         elif check_arm_arch 6K;       then echo armv6k

  4763.         elif check_arm_arch 6Z;       then echo armv6z

  4764.         elif check_arm_arch 6KZ;      then echo armv6zk

  4765.         elif check_arm_arch 6ZK;      then echo armv6zk

  4766.         elif check_arm_arch 6T2;      then echo armv6t2

  4767.         elif check_arm_arch 7;        then echo armv7

  4768.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4769.         elif check_arm_arch 7S;       then echo armv7-a

  4770.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4771.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4772.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4773.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4774.         fi

  4775.     }

  4776. 

  4777.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4778. 

  4779.     case $cpu in

  4780.         armv*)

  4781.             cpuflags="-march=$cpu"

  4782.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4783.         ;;

  4784.         *)

  4785.             cpuflags="-mcpu=$cpu"

  4786.             case $cpu in

  4787.                 cortex-a*)                               subarch=armv7a  ;;

  4788.                 cortex-r*)                               subarch=armv7r  ;;

  4789.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4790.                 arm11*)                                  subarch=armv6   ;;

  4791.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4792.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4793.                 *)                             subarch=$(probe_arm_arch) ;;

  4794.             esac

  4795.         ;;

  4796.     esac

  4797. 

  4798.     case "$subarch" in

  4799.         armv5t*)    enable fast_clz                ;;

  4800.         armv[6-8]*)

  4801.             enable fast_clz

  4802.             disabled fast_unaligned || enable fast_unaligned

  4803.             ;;

  4804.     esac

  4805. 

  4806. elif enabled avr32; then

  4807. 

  4808.     case $cpu in

  4809.         ap7[02]0[0-2])

  4810.             subarch="avr32_ap"

  4811.             cpuflags="-mpart=$cpu"

  4812.         ;;

  4813.         ap)

  4814.             subarch="avr32_ap"

  4815.             cpuflags="-march=$cpu"

  4816.         ;;

  4817.         uc3[ab]*)

  4818.             subarch="avr32_uc"

  4819.             cpuflags="-mcpu=$cpu"

  4820.         ;;

  4821.         uc)

  4822.             subarch="avr32_uc"

  4823.             cpuflags="-march=$cpu"

  4824.         ;;

  4825.     esac

  4826. 

  4827. elif enabled bfin; then

  4828. 

  4829.     cpuflags="-mcpu=$cpu"

  4830. 

  4831. elif enabled mips; then

  4832. 

  4833.     cpuflags="-march=$cpu"

  4834. 

  4835.     if [ "$cpu" != "generic" ]; then

  4836.         disable mips32r2

  4837.         disable mips32r5

  4838.         disable mips64r2

  4839.         disable mips32r6

  4840.         disable mips64r6

  4841.         disable loongson2

  4842.         disable loongson3

  4843. 

  4844.         case $cpu in

  4845.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4846.                 enable mips32r2

  4847.                 disable msa

  4848.             ;;

  4849.             p5600|i6400|p6600)

  4850.                 disable mipsdsp

  4851.                 disable mipsdspr2

  4852.             ;;

  4853.             loongson*)

  4854.                 enable loongson2

  4855.                 enable loongson3

  4856.                 enable local_aligned

  4857.                 enable simd_align_16

  4858.                 enable fast_64bit

  4859.                 enable fast_clz

  4860.                 enable fast_cmov

  4861.                 enable fast_unaligned

  4862.                 disable aligned_stack

  4863.                 disable mipsdsp

  4864.                 disable mipsdspr2

  4865.                 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.

  4866.                 if [ $cc == gcc ]; then

  4867.                     gcc_version=$(gcc -dumpversion)

  4868.                     if [ "$(echo "$gcc_version 5.3.0" | tr " " "\n" | sort -rV | head -n 1)" == "$gcc_version" ]; then

  4869.                         expensive_optimization_flag=""

  4870.                     else

  4871.                         expensive_optimization_flag="-fno-expensive-optimizations"

  4872.                     fi

  4873.                 fi

  4874.                 case $cpu in

  4875.                     loongson3*)

  4876.                         cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag"

  4877.                     ;;

  4878.                     loongson2e)

  4879.                         cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag"

  4880.                     ;;

  4881.                     loongson2f)

  4882.                         cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag"

  4883.                     ;;

  4884.                 esac

  4885.             ;;

  4886.             *)

  4887.                 # Unknown CPU. Disable everything.

  4888.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4889.                 disable mipsfpu

  4890.                 disable mipsdsp

  4891.                 disable mipsdspr2

  4892.                 disable msa

  4893.                 disable mmi

  4894.             ;;

  4895.         esac

  4896. 

  4897.         case $cpu in

  4898.             24kc)

  4899.                 disable mipsfpu

  4900.                 disable mipsdsp

  4901.                 disable mipsdspr2

  4902.             ;;

  4903.             24kf*)

  4904.                 disable mipsdsp

  4905.                 disable mipsdspr2

  4906.             ;;

  4907.             24kec|34kc|1004kc)

  4908.                 disable mipsfpu

  4909.                 disable mipsdspr2

  4910.             ;;

  4911.             24kef*|34kf*|1004kf*)

  4912.                 disable mipsdspr2

  4913.             ;;

  4914.             74kc)

  4915.                 disable mipsfpu

  4916.             ;;

  4917.             p5600)

  4918.                 enable mips32r5

  4919.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4920.             ;;

  4921.             i6400)

  4922.                 enable mips64r6

  4923.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4924.             ;;

  4925.             p6600)

  4926.                 enable mips64r6

  4927.                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4928.             ;;

  4929.         esac

  4930.     else

  4931.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4932.         warn 'generic cpu selected'

  4933.     fi

  4934. 

  4935. elif enabled ppc; then

  4936. 

  4937.     disable ldbrx

  4938. 

  4939.     case $(tolower $cpu) in

  4940.         601|ppc601|powerpc601)

  4941.             cpuflags="-mcpu=601"

  4942.             disable altivec

  4943.         ;;

  4944.         603*|ppc603*|powerpc603*)

  4945.             cpuflags="-mcpu=603"

  4946.             disable altivec

  4947.         ;;

  4948.         604*|ppc604*|powerpc604*)

  4949.             cpuflags="-mcpu=604"

  4950.             disable altivec

  4951.         ;;

  4952.         g3|75*|ppc75*|powerpc75*)

  4953.             cpuflags="-mcpu=750"

  4954.             disable altivec

  4955.         ;;

  4956.         g4|745*|ppc745*|powerpc745*)

  4957.             cpuflags="-mcpu=7450"

  4958.             disable vsx

  4959.         ;;

  4960.         74*|ppc74*|powerpc74*)

  4961.             cpuflags="-mcpu=7400"

  4962.             disable vsx

  4963.         ;;

  4964.         g5|970|ppc970|powerpc970)

  4965.             cpuflags="-mcpu=970"

  4966.             disable vsx

  4967.         ;;

  4968.         power[3-6]*)

  4969.             cpuflags="-mcpu=$cpu"

  4970.             disable vsx

  4971.         ;;

  4972.         power[7-8]*)

  4973.             cpuflags="-mcpu=$cpu"

  4974.         ;;

  4975.         cell)

  4976.             cpuflags="-mcpu=cell"

  4977.             enable ldbrx

  4978.             disable vsx

  4979.         ;;

  4980.         e500mc)

  4981.             cpuflags="-mcpu=e500mc"

  4982.             disable altivec

  4983.         ;;

  4984.         e500v2)

  4985.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4986.             disable altivec

  4987.             disable dcbzl

  4988.         ;;

  4989.         e500)

  4990.             cpuflags="-mcpu=8540 -mhard-float"

  4991.             disable altivec

  4992.             disable dcbzl

  4993.         ;;

  4994.     esac

  4995. 

  4996. elif enabled sparc; then

  4997. 

  4998.     case $cpu in

  4999.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  5000.             cpuflags="-mcpu=$cpu"

  5001.         ;;

  5002.         ultrasparc*|niagara[234])

  5003.             cpuflags="-mcpu=$cpu"

  5004.         ;;

  5005.     esac

  5006. 

  5007. elif enabled x86; then

  5008. 

  5009.     case $cpu in

  5010.         i[345]86|pentium)

  5011.             cpuflags="-march=$cpu"

  5012.             disable i686

  5013.             disable mmx

  5014.         ;;

  5015.         # targets that do NOT support nopl and conditional mov (cmov)

  5016.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  5017.             cpuflags="-march=$cpu"

  5018.             disable i686

  5019.         ;;

  5020.         # targets that do support nopl and conditional mov (cmov)

  5021.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  5022.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\

  5023.         |amdfam10|barcelona|b[dt]ver*|znver*)

  5024.             cpuflags="-march=$cpu"

  5025.             enable i686

  5026.             enable fast_cmov

  5027.         ;;

  5028.         # targets that do support conditional mov but on which it's slow

  5029.         pentium4|pentium4m|prescott|nocona)

  5030.             cpuflags="-march=$cpu"

  5031.             enable i686

  5032.             disable fast_cmov

  5033.         ;;

  5034.     esac

  5035. 

  5036. fi

  5037. 

  5038. if [ "$cpu" != generic ]; then

  5039.     add_cflags  $cpuflags

  5040.     add_asflags $cpuflags

  5041.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  5042. fi

  5043. 

  5044. # compiler sanity check

  5045. test_exec <<EOF

  5046. int main(void){ return 0; }

  5047. EOF

  5048. if test "$?" != 0; then

  5049.     echo "$cc is unable to create an executable file."

  5050.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  5051.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  5052.         echo "Only do this if you know what cross compiling means."

  5053.     fi

  5054.     die "C compiler test failed."

  5055. fi

  5056. 

  5057. add_cppflags -D_ISOC99_SOURCE

  5058. add_cxxflags -D__STDC_CONSTANT_MACROS

  5059. check_cxxflags -std=c++11 || check_cxxflags -std=c++0x

  5060. 

  5061. # some compilers silently accept -std=c11, so we also need to check that the

  5062. # version macro is defined properly

  5063. test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&

  5064.     add_cflags -std=c11 ||

  5065.     check_cflags -std=c99

  5066. 

  5067. check_cppflags -D_FILE_OFFSET_BITS=64

  5068. check_cppflags -D_LARGEFILE_SOURCE

  5069. 

  5070. add_host_cppflags -D_ISOC99_SOURCE

  5071. check_host_cflags -std=c99

  5072. check_host_cflags -Wall

  5073. check_host_cflags $host_cflags_speed

  5074. 

  5075. check_64bit(){

  5076.     arch32=$1

  5077.     arch64=$2

  5078.     expr=${3:-'sizeof(void *) > 4'}

  5079.     test_code cc "" "int test[2*($expr) - 1]" &&

  5080.         subarch=$arch64 || subarch=$arch32

  5081.     enable $subarch

  5082. }

  5083. 

  5084. case "$arch" in

  5085.     aarch64|alpha|ia64)

  5086.         enabled shared && enable_weak pic

  5087.     ;;

  5088.     mips)

  5089.         check_64bit mips mips64 '_MIPS_SIM > 1'

  5090.         enabled shared && enable_weak pic

  5091.     ;;

  5092.     parisc)

  5093.         check_64bit parisc parisc64

  5094.         enabled shared && enable_weak pic

  5095.     ;;

  5096.     ppc)

  5097.         check_64bit ppc ppc64

  5098.         enabled shared && enable_weak pic

  5099.     ;;

  5100.     s390)

  5101.         check_64bit s390 s390x

  5102.         enabled shared && enable_weak pic

  5103.     ;;

  5104.     sparc)

  5105.         check_64bit sparc sparc64

  5106.         enabled shared && enable_weak pic

  5107.     ;;

  5108.     x86)

  5109.         check_64bit x86_32 x86_64

  5110.         # Treat x32 as x64 for now. Note it also needs pic if shared

  5111.         test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&

  5112.             subarch=x86_64 && enable x86_64 && disable x86_32

  5113.         if enabled x86_64; then

  5114.             enabled shared && enable_weak pic

  5115.             objformat=elf64

  5116.         fi

  5117.     ;;

  5118. esac

  5119. 

  5120. # OS specific

  5121. case $target_os in

  5122.     aix)

  5123.         SHFLAGS=-shared

  5124.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  5125.         enabled shared && add_ldflags -Wl,-brtl

  5126.         arflags='-Xany -r -c'

  5127.         striptype=""

  5128.         ;;

  5129.     android)

  5130.         disable symver

  5131.         enable section_data_rel_ro

  5132.         add_cflags -fPIE

  5133.         add_ldexeflags -fPIE -pie

  5134.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  5135.         SLIB_INSTALL_LINKS=

  5136.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  5137.         ;;

  5138.     haiku)

  5139.         prefix_default="/boot/common"

  5140.         network_extralibs="-lnetwork"

  5141.         host_extralibs=

  5142.         ;;

  5143.     sunos)

  5144.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  5145.         enabled x86 && append SHFLAGS -mimpure-text

  5146.         network_extralibs="-lsocket -lnsl"

  5147.         add_cppflags -D__EXTENSIONS__

  5148.         # When using suncc to build, the Solaris linker will mark

  5149.         # an executable with each instruction set encountered by

  5150.         # the Solaris assembler.  As our libraries contain their own

  5151.         # guards for processor-specific code, instead suppress

  5152.         # generation of the HWCAPS ELF section on Solaris x86 only.

  5153.         enabled_all suncc x86 &&

  5154.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  5155.             add_ldflags -Wl,-M,mapfile

  5156.         nm_default='nm -P -g'

  5157.         striptype=""

  5158.         version_script='-M'

  5159.         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'

  5160.         ;;

  5161.     netbsd)

  5162.         disable symver

  5163.         oss_indev_extralibs="-lossaudio"

  5164.         oss_outdev_extralibs="-lossaudio"

  5165.         enabled gcc || check_ldflags -Wl,-zmuldefs

  5166.         ;;

  5167.     openbsd|bitrig)

  5168.         disable symver

  5169.         striptype=""

  5170.         SHFLAGS='-shared'

  5171.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  5172.         SLIB_INSTALL_LINKS=

  5173.         oss_indev_extralibs="-lossaudio"

  5174.         oss_outdev_extralibs="-lossaudio"

  5175.         ;;

  5176.     dragonfly)

  5177.         disable symver

  5178.         ;;

  5179.     freebsd)

  5180.         ;;

  5181.     bsd/os)

  5182.         add_extralibs -lpoll -lgnugetopt

  5183.         strip="strip -d"

  5184.         ;;

  5185.     darwin)

  5186.         enabled ppc && add_asflags -force_cpusubtype_ALL

  5187.         install_name_dir_default='$(SHLIBDIR)'

  5188.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  5189.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  5190.         strip="${strip} -x"

  5191.         add_ldflags -Wl,-dynamic,-search_paths_first

  5192.         check_cflags -Werror=partial-availability

  5193.         SLIBSUF=".dylib"

  5194.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  5195.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  5196.         enabled x86_64 && objformat="macho64" || objformat="macho32"

  5197.         enabled_any pic shared x86_64 ||

  5198.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  5199.         check_headers dispatch/dispatch.h &&

  5200.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  5201.         if test -n "$sysroot"; then

  5202.             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot

  5203.             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot

  5204.         fi

  5205.         version_script='-exported_symbols_list'

  5206.         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'

  5207.         ;;

  5208.     msys*)

  5209.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  5210.         ;;

  5211.     mingw32*|mingw64*)

  5212.         target_os=mingw32

  5213.         LIBTARGET=i386

  5214.         if enabled x86_64; then

  5215.             LIBTARGET="i386:x86-64"

  5216.         elif enabled arm; then

  5217.             LIBTARGET="arm"

  5218.         elif enabled aarch64; then

  5219.             LIBTARGET="arm64"

  5220.         fi

  5221.         if enabled shared; then

  5222.             # Cannot build both shared and static libs when using dllimport.

  5223.             disable static

  5224.         fi

  5225.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5226.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  5227.         shlibdir_default="$bindir_default"

  5228.         SLIBPREF=""

  5229.         SLIBSUF=".dll"

  5230.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5231.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5232.         if test_cmd lib.exe -list; then

  5233.             SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5234.             if enabled x86_64; then

  5235.                 LIBTARGET=x64

  5236.             fi

  5237.         else

  5238.             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  5239.         fi

  5240.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5241.         SLIB_INSTALL_LINKS=

  5242.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5243.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5244.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5245.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'

  5246.         enabled x86_64 && objformat="win64" || objformat="win32"

  5247.         dlltool="${cross_prefix}dlltool"

  5248.         ranlib=:

  5249.         enable dos_paths

  5250.         check_ldflags -Wl,--nxcompat,--dynamicbase

  5251.         # Lets work around some stupidity in binutils.

  5252.         # ld will strip relocations from executables even though we need them

  5253.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  5254.         # however ld then forgets what the entry point should be (oops) so we

  5255.         # have to manually (re)set it.

  5256.         if enabled x86_32; then

  5257.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  5258.         elif enabled x86_64; then

  5259.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  5260.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  5261.             # Set image base >4GB for extra entropy with HEASLR

  5262.             add_ldexeflags -Wl,--image-base,0x140000000

  5263.             append SHFLAGS -Wl,--image-base,0x180000000

  5264.         fi

  5265.         ;;

  5266.     win32|win64)

  5267.         disable symver

  5268.         if enabled shared; then

  5269.             # Link to the import library instead of the normal static library

  5270.             # for shared libs.

  5271.             LD_LIB='%.lib'

  5272.             # Cannot build both shared and static libs with MSVC or icl.

  5273.             disable static

  5274.         fi

  5275.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  5276.         shlibdir_default="$bindir_default"

  5277.         SLIBPREF=""

  5278.         SLIBSUF=".dll"

  5279.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5280.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5281.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5282.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5283.         SLIB_INSTALL_LINKS=

  5284.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5285.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5286.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5287.         enabled x86_64 && objformat="win64" || objformat="win32"

  5288.         ranlib=:

  5289.         enable dos_paths

  5290.         ;;

  5291.     cygwin*)

  5292.         target_os=cygwin

  5293.         shlibdir_default="$bindir_default"

  5294.         SLIBPREF="cyg"

  5295.         SLIBSUF=".dll"

  5296.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5297.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5298.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5299.         SLIB_INSTALL_LINKS=

  5300.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  5301.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  5302.         enabled x86_64 && objformat="win64" || objformat="win32"

  5303.         enable dos_paths

  5304.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5305.         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5306.         ;;

  5307.     *-dos|freedos|opendos)

  5308.         network_extralibs="-lsocket"

  5309.         objformat="coff"

  5310.         enable dos_paths

  5311.         ;;

  5312.     linux)

  5313.         enable section_data_rel_ro

  5314.         enabled_any arm aarch64 && enable_weak linux_perf

  5315.         ;;

  5316.     irix*)

  5317.         target_os=irix

  5318.         ranlib="echo ignoring ranlib"

  5319.         ;;

  5320.     os/2*)

  5321.         strip="lxlite -CS"

  5322.         striptype=""

  5323.         objformat="aout"

  5324.         add_cppflags -D_GNU_SOURCE

  5325.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap

  5326.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  5327.         LIBSUF="_s.a"

  5328.         SLIBPREF=""

  5329.         SLIBSUF=".dll"

  5330.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5331.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  5332.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  5333.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  5334.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  5335.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  5336.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  5337.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  5338.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  5339.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5340.         SLIB_INSTALL_LINKS=

  5341.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  5342.         enable dos_paths

  5343.         enable_weak os2threads

  5344.         ;;

  5345.     gnu/kfreebsd)

  5346.         add_cppflags -D_BSD_SOURCE

  5347.         ;;

  5348.     gnu)

  5349.         ;;

  5350.     qnx)

  5351.         add_cppflags -D_QNX_SOURCE

  5352.         network_extralibs="-lsocket"

  5353.         ;;

  5354.     symbian)

  5355.         SLIBSUF=".dll"

  5356.         enable dos_paths

  5357.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  5358.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  5359.         add_ldflags -Wl,--target1-abs,--no-undefined \

  5360.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  5361.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  5362.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  5363.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  5364.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  5365.         ;;

  5366.     minix)

  5367.         ;;

  5368.     none)

  5369.         ;;

  5370.     *)

  5371.         die "Unknown OS '$target_os'."

  5372.         ;;

  5373. esac

  5374. 

  5375. # test if creating links works

  5376. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  5377. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  5378. mkdir "$link_dest"

  5379. $ln_s "$link_dest" "$link_name"

  5380. touch "$link_dest/test_file"

  5381. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  5382.     # create link to source path

  5383.     [ -e src ] && rm src

  5384.     $ln_s "$source_path" src

  5385.     source_link=src

  5386. else

  5387.     # creating directory links doesn't work

  5388.     # fall back to using the full source path

  5389.     source_link="$source_path"

  5390. fi

  5391. # cleanup

  5392. rm -r "$link_dest"

  5393. rm -r "$link_name"

  5394. 

  5395. # determine libc flavour

  5396. 

  5397. probe_libc(){

  5398.     pfx=$1

  5399.     pfx_no_=${pfx%_}

  5400.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  5401.     if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  5402.         eval ${pfx}libc_type=uclibc

  5403.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5404.     elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  5405.         eval ${pfx}libc_type=glibc

  5406.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5407.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  5408.     elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  5409.         eval ${pfx}libc_type=newlib

  5410.         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600

  5411.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  5412.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  5413.         eval ${pfx}libc_type=mingw64

  5414.         if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  5415.             add_compat msvcrt/snprintf.o

  5416.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  5417.         fi

  5418.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5419.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5420.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5421.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5422.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5423.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  5424.          test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  5425.         eval ${pfx}libc_type=mingw32

  5426.         test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  5427.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  5428.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  5429.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5430.         test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&

  5431.             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700

  5432.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5433.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5434.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5435.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5436.     elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  5437.         eval ${pfx}libc_type=msvcrt

  5438.         if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  5439.             if [ "$pfx" = host_ ]; then

  5440.                 add_host_cppflags -Dsnprintf=_snprintf

  5441.             else

  5442.                 add_compat strtod.o strtod=avpriv_strtod

  5443.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  5444.                                              _snprintf=avpriv_snprintf  \

  5445.                                              vsnprintf=avpriv_vsnprintf

  5446.             fi

  5447.         fi

  5448.         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS

  5449.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  5450.         # 0x601 by default unless something else is set by the user.

  5451.         # This can easily lead to us detecting functions only present

  5452.         # in such new versions and producing binaries requiring windows 7.0.

  5453.         # Therefore explicitly set the default to Vista unless the user has

  5454.         # set something else on the command line.

  5455.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  5456.         # family. For these cases, configure is free to use any functions

  5457.         # found in the SDK headers by default. (Alternatively, we could force

  5458.         # _WIN32_WINNT to 0x0602 in that case.)

  5459.         test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  5460.             { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }

  5461. #ifdef WINAPI_FAMILY

  5462. #include <winapifamily.h>

  5463. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  5464. #error not desktop

  5465. #endif

  5466. #endif

  5467. EOF

  5468.         if [ "$pfx" = "" ]; then

  5469.             check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5470.             check_func strtoull || add_cflags -Dstrtoull=_strtoui64

  5471.         fi

  5472.     elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  5473.         eval ${pfx}libc_type=klibc

  5474.     elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  5475.         eval ${pfx}libc_type=bionic

  5476.     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  5477.         eval ${pfx}libc_type=solaris

  5478.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  5479.     elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then

  5480.         eval ${pfx}libc_type=djgpp

  5481.         add_cppflags -U__STRICT_ANSI__

  5482.         add_cflags "-include $source_path/compat/djgpp/math.h"

  5483.         add_compat djgpp/math.o

  5484.     fi

  5485.     test_${pfx}cc <<EOF

  5486. #include <time.h>

  5487. void *v = localtime_r;

  5488. EOF

  5489. test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5490. #include <time.h>

  5491. void *v = localtime_r;

  5492. EOF

  5493. 

  5494.     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}

  5495. }

  5496. 

  5497. probe_libc

  5498. probe_libc host_

  5499. 

  5500. # hacks for compiler/libc/os combinations

  5501. 

  5502. case $libc_type in

  5503.     bionic)

  5504.         add_compat strtod.o strtod=avpriv_strtod

  5505.         ;;

  5506. esac

  5507. 

  5508. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  5509.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  5510. 

  5511. test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  5512. 

  5513. set_default libdir

  5514. : ${shlibdir_default:="$libdir"}

  5515. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  5516. 

  5517. set_default $PATHS_LIST

  5518. set_default nm

  5519. 

  5520. disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer

  5521. 

  5522. enable_weak_pic() {

  5523.     disabled pic && return

  5524.     enable pic

  5525.     add_cppflags -DPIC

  5526.     case "$target_os" in

  5527.     mingw*|cygwin*|win*)

  5528.         ;;

  5529.     *)

  5530.         add_cflags -fPIC

  5531.         add_asflags -fPIC

  5532.         ;;

  5533.     esac

  5534. }

  5535. 

  5536. enabled pic && enable_weak_pic

  5537. 

  5538. test_cc <<EOF || die "Symbol mangling check failed."

  5539. int ff_extern;

  5540. EOF

  5541. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5542. extern_prefix=${sym%%ff_extern*}

  5543. 

  5544. ! disabled inline_asm && check_inline_asm inline_asm '"" ::'

  5545. 

  5546. for restrict_keyword in restrict __restrict__ __restrict ""; do

  5547.     test_code cc "" "char * $restrict_keyword p" && break

  5548. done

  5549. 

  5550. check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'

  5551. 

  5552. # The global variable ensures the bits appear unchanged in the object file.

  5553. test_cc <<EOF || die "endian test failed"

  5554. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5555. EOF

  5556. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5557. 

  5558. check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"

  5559. 

  5560. if ! enabled ppc64 || enabled bigendian; then

  5561.     disable vsx

  5562. fi

  5563. 

  5564. check_gas() {

  5565.     log "check_gas using '$as' as AS"

  5566.     # :vararg is used on aarch64, arm and ppc altivec

  5567.     check_as vararg "

  5568. .macro m n, y:vararg=0

  5569. \n: .int \y

  5570. .endm

  5571. m x" || return 1

  5572.     # .altmacro is only used in arm asm

  5573.     ! enabled arm || check_as gnu_as ".altmacro"

  5574. }

  5575. 

  5576. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5577.     nogas=:

  5578.     enabled_any arm aarch64 && nogas=die

  5579.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5580.     as_noop=-v

  5581. 

  5582.     case $as_type in

  5583.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5584.         gcc)  gaspp_as_type=gas ;;

  5585.         *)    gaspp_as_type=$as_type ;;

  5586.     esac

  5587. 

  5588.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5589. 

  5590.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5591.     test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5592.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5593. 

  5594.     if ! check_gas ; then

  5595.         as=${gas:=$as}

  5596.         check_gas || \

  5597.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5598.     fi

  5599. 

  5600.     check_as as_func ".func test

  5601.                       .endfunc"

  5602. fi

  5603. 

  5604. check_inline_asm inline_asm_labels '"1:\n"'

  5605. 

  5606. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5607. 

  5608. if enabled aarch64; then

  5609.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5610.     # internal assembler in clang 3.3 does not support this instruction

  5611.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5612.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5613. 

  5614.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5615. 

  5616. elif enabled alpha; then

  5617. 

  5618.     check_cflags -mieee

  5619. 

  5620. elif enabled arm; then

  5621. 

  5622.     enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"

  5623.     test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb

  5624. float func(float a, float b){ return a+b; }

  5625. EOF

  5626.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5627. 

  5628.     if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then

  5629.         :

  5630.     elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5631.         :

  5632.     elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5633.         case "${cross_prefix:-$cc}" in

  5634.             *hardfloat*) enable vfp_args; fpabi=vfp ;;

  5635.             *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;

  5636. __asm__ (".eabi_attribute 28, 1");

  5637. int main(void) { return 0; }

  5638. EOF

  5639.         esac

  5640.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5641.     fi

  5642. 

  5643.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5644.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5645.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5646.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5647.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5648.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5649.     enabled setend  && check_insn setend  'setend be'

  5650. 

  5651.     [ $target_os = linux ] || [ $target_os = android ] ||

  5652.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5653.             $ARCH_EXT_LIST_ARM

  5654. 

  5655.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5656. 

  5657.     check_as as_arch_directive ".arch armv7-a"

  5658.     check_as as_dn_directive   "ra .dn d0.i16"

  5659.     check_as as_fpu_directive  ".fpu neon"

  5660. 

  5661.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5662.     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&

  5663.         check_as as_object_arch ".object_arch armv4"

  5664. 

  5665.     # MS armasm fails to assemble our PIC constructs

  5666.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5667. 

  5668. elif enabled mips; then

  5669. 

  5670.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5671.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5672.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5673. 

  5674.     # Enable minimum ISA based on selected options

  5675.     if enabled mips64; then

  5676.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5677.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5678.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5679.     else

  5680.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5681.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5682.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5683.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5684.     fi

  5685. 

  5686.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5687.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5688.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_headers msa.h || disable msa

  5689.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5690.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5691. 

  5692.     if enabled bigendian && enabled msa; then

  5693.         disable msa

  5694.     fi

  5695. 

  5696. elif enabled parisc; then

  5697. 

  5698.     if enabled gcc; then

  5699.         case $($cc -dumpversion) in

  5700.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5701.         esac

  5702.     fi

  5703. 

  5704. elif enabled ppc; then

  5705. 

  5706.     enable local_aligned

  5707. 

  5708.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5709.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5710.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5711.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5712. 

  5713.     if enabled altivec; then

  5714.         check_cflags -maltivec -mabi=altivec

  5715. 

  5716.         # check if our compiler supports Motorola AltiVec C API

  5717.         check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };

  5718.                                     vector signed int v2 = (vector signed int) { 1 };

  5719.                                     v1 = vec_add(v1, v2);"

  5720. 

  5721.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5722.     fi

  5723. 

  5724.     if enabled vsx; then

  5725.         check_cflags -mvsx &&

  5726.         check_cc vsx altivec.h "int v[4] = { 0 };

  5727.                                 vector signed int v1 = vec_vsx_ld(0, v);"

  5728.     fi

  5729. 

  5730.     if enabled power8; then

  5731.         check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"

  5732.     fi

  5733. 

  5734. elif enabled x86; then

  5735. 

  5736.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5737.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5738. 

  5739.     enable local_aligned

  5740. 

  5741.     # check whether EBP is available on x86

  5742.     # As 'i' is stored on the stack, this program will crash

  5743.     # if the base pointer is used to access it because the

  5744.     # base pointer is cleared in the inline assembly code.

  5745.     check_exec_crash <<EOF && enable ebp_available

  5746. volatile int i=0;

  5747. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5748. return i;

  5749. EOF

  5750. 

  5751.     # check whether EBX is available on x86

  5752.     check_inline_asm ebx_available '""::"b"(0)' &&

  5753.         check_inline_asm ebx_available '"":::"%ebx"'

  5754. 

  5755.     # check whether xmm clobbers are supported

  5756.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5757. 

  5758.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5759.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5760. 

  5761.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5762.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5763.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5764. 

  5765.     probe_x86asm(){

  5766.         x86asmexe_probe=$1

  5767.         if test_cmd $x86asmexe_probe -v; then

  5768.             x86asmexe=$x86asmexe_probe

  5769.             x86asm_type=nasm

  5770.             x86asm_debug="-g -F dwarf"

  5771.             X86ASMDEP=

  5772.             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'

  5773.         elif test_cmd $x86asmexe_probe --version; then

  5774.             x86asmexe=$x86asmexe_probe

  5775.             x86asm_type=yasm

  5776.             x86asm_debug="-g dwarf2"

  5777.             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'

  5778.             X86ASM_DEPFLAGS=

  5779.         fi

  5780.         check_x86asm x86asm "movbe ecx, [5]"

  5781.     }

  5782. 

  5783.     if ! disabled_any asm mmx x86asm; then

  5784.         disable x86asm

  5785.         for program in $x86asmexe nasm yasm; do

  5786.             probe_x86asm $program && break

  5787.         done

  5788.         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."

  5789.         X86ASMFLAGS="-f $objformat"

  5790.         enabled pic               && append X86ASMFLAGS "-DPIC"

  5791.         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"

  5792.         case "$objformat" in

  5793.             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;

  5794.         esac

  5795. 

  5796.         check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"

  5797.         check_x86asm avx2_external   "vextracti128 xmm0, ymm0, 0"

  5798.         check_x86asm xop_external    "vpmacsdd xmm0, xmm1, xmm2, xmm3"

  5799.         check_x86asm fma4_external   "vfmaddps ymm0, ymm1, ymm2, ymm3"

  5800.         check_x86asm cpunop          "CPU amdnop"

  5801.     fi

  5802. 

  5803.     case "$cpu" in

  5804.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5805.             disable fast_clz

  5806.         ;;

  5807.     esac

  5808. 

  5809. fi

  5810. 

  5811. check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"

  5812. 

  5813. check_ldflags -Wl,--as-needed

  5814. check_ldflags -Wl,-z,noexecstack

  5815. 

  5816. if ! disabled network; then

  5817.     check_func getaddrinfo $network_extralibs

  5818.     check_func inet_aton $network_extralibs

  5819. 

  5820.     check_type netdb.h "struct addrinfo"

  5821.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5822.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5823.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5824.     check_type poll.h "struct pollfd"

  5825.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5826.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5827.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5828.     check_type netinet/in.h "struct sockaddr_in6"

  5829.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5830.     check_type "sys/types.h sys/socket.h" socklen_t

  5831. 

  5832.     # Prefer arpa/inet.h over winsock2

  5833.     if check_headers arpa/inet.h ; then

  5834.         check_func closesocket

  5835.     elif check_headers winsock2.h ; then

  5836.         check_func_headers winsock2.h closesocket -lws2 &&

  5837.             network_extralibs="-lws2" ||

  5838.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5839.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5840.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5841. 

  5842.         check_type ws2tcpip.h socklen_t

  5843.         check_type ws2tcpip.h "struct addrinfo"

  5844.         check_type ws2tcpip.h "struct group_source_req"

  5845.         check_type ws2tcpip.h "struct ip_mreq_source"

  5846.         check_type ws2tcpip.h "struct ipv6_mreq"

  5847.         check_type winsock2.h "struct pollfd"

  5848.         check_struct winsock2.h "struct sockaddr" sa_len

  5849.         check_type ws2tcpip.h "struct sockaddr_in6"

  5850.         check_type ws2tcpip.h "struct sockaddr_storage"

  5851.     else

  5852.         disable network

  5853.     fi

  5854. fi

  5855. 

  5856. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5857. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5858. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5859. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5860. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5861. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5862. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  5863. 

  5864. case "$custom_allocator" in

  5865.     jemalloc)

  5866.         # jemalloc by default does not use a prefix

  5867.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5868.     ;;

  5869.     tcmalloc)

  5870.         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc

  5871.         malloc_prefix=tc_

  5872.     ;;

  5873. esac

  5874. 

  5875. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5876. check_func  ${malloc_prefix}memalign            && enable memalign

  5877. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5878. 

  5879. check_func  access

  5880. check_func_headers stdlib.h arc4random

  5881. check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt

  5882. check_func  fcntl

  5883. check_func  fork

  5884. check_func  gethrtime

  5885. check_func  getopt

  5886. check_func  getrusage

  5887. check_func  gettimeofday

  5888. check_func  isatty

  5889. check_func  mkstemp

  5890. check_func  mmap

  5891. check_func  mprotect

  5892. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5893. check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt

  5894. check_func  sched_getaffinity

  5895. check_func  setrlimit

  5896. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5897. check_func  strerror_r

  5898. check_func  sysconf

  5899. check_func  sysctl

  5900. check_func  usleep

  5901. 

  5902. check_func_headers conio.h kbhit

  5903. check_func_headers io.h setmode

  5904. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5905. check_func_headers mach/mach_time.h mach_absolute_time

  5906. check_func_headers stdlib.h getenv

  5907. check_func_headers sys/stat.h lstat

  5908. 

  5909. check_func_headers windows.h GetProcessAffinityMask

  5910. check_func_headers windows.h GetProcessTimes

  5911. check_func_headers windows.h GetSystemTimeAsFileTime

  5912. check_func_headers windows.h LoadLibrary

  5913. check_func_headers windows.h MapViewOfFile

  5914. check_func_headers windows.h PeekNamedPipe

  5915. check_func_headers windows.h SetConsoleTextAttribute

  5916. check_func_headers windows.h SetConsoleCtrlHandler

  5917. check_func_headers windows.h Sleep

  5918. check_func_headers windows.h VirtualAlloc

  5919. check_func_headers glob.h glob

  5920. enabled xlib &&

  5921.     check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5922. 

  5923. check_headers direct.h

  5924. check_headers dirent.h

  5925. check_headers dxgidebug.h

  5926. check_headers dxva.h

  5927. check_headers dxva2api.h -D_WIN32_WINNT=0x0600

  5928. check_headers io.h

  5929. check_headers linux/perf_event.h

  5930. check_headers libcrystalhd/libcrystalhd_if.h

  5931. check_headers malloc.h

  5932. check_headers net/udplite.h

  5933. check_headers poll.h

  5934. check_headers sys/param.h

  5935. check_headers sys/resource.h

  5936. check_headers sys/select.h

  5937. check_headers sys/time.h

  5938. check_headers sys/un.h

  5939. check_headers termios.h

  5940. check_headers unistd.h

  5941. check_headers valgrind/valgrind.h

  5942. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5943. check_headers windows.h

  5944. check_headers X11/extensions/XvMClib.h

  5945. check_headers asm/types.h

  5946. 

  5947. # it seems there are versions of clang in some distros that try to use the

  5948. # gcc headers, which explodes for stdatomic

  5949. # so we also check that atomics actually work here

  5950. check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"

  5951. 

  5952. check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32

  5953. check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&

  5954.     check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"

  5955. check_lib ole32    "windows.h"            CoTaskMemFree        -lole32

  5956. check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32

  5957. check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

  5958. 

  5959. check_lib android android/native_window.h ANativeWindow_acquire -landroid

  5960. check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk

  5961. check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk

  5962. 

  5963. enabled appkit       && check_apple_framework AppKit

  5964. enabled audiotoolbox && check_apple_framework AudioToolbox

  5965. enabled avfoundation && check_apple_framework AVFoundation

  5966. enabled coreimage    && check_apple_framework CoreImage

  5967. enabled videotoolbox && check_apple_framework VideoToolbox

  5968. 

  5969. check_apple_framework CoreFoundation

  5970. check_apple_framework CoreMedia

  5971. check_apple_framework CoreVideo

  5972. 

  5973. enabled avfoundation && {

  5974.     disable coregraphics applicationservices

  5975.     check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||

  5976.     check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }

  5977. 

  5978. enabled videotoolbox && {

  5979.     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"

  5980.     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"

  5981. }

  5982. 

  5983. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5984. 

  5985. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5986. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5987. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5988. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5989. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5990. 

  5991. check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"

  5992. check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth

  5993. check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags

  5994. check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  5995. check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  5996. check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"

  5997. check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"

  5998. 

  5999. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  6000. 

  6001. if ! disabled ffnvcodec; then

  6002.     check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.2" \

  6003.           "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" "" || \

  6004.       check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.2 ffnvcodec < 8.1" \

  6005.           "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""

  6006. fi

  6007. 

  6008. check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"

  6009. 

  6010. if ! disabled w32threads && ! enabled pthreads; then

  6011.     check_func_headers "windows.h process.h" _beginthreadex &&

  6012.         check_type "windows.h" CONDITION_VARIABLE &&

  6013.         check_type "windows.h" INIT_ONCE &&

  6014.         enable w32threads || disable w32threads

  6015.     if ! enabled w32threads && enabled winrt; then

  6016.         check_func_headers "windows.h" CreateThread &&

  6017.             enable w32threads || disable w32threads

  6018.     fi

  6019. fi

  6020. 

  6021. # check for some common methods of building with pthread support

  6022. # do this before the optional library checks as some of them require pthreads

  6023. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  6024.     if check_lib pthreads pthread.h pthread_join   -pthread &&

  6025.        check_lib pthreads pthread.h pthread_create -pthread; then

  6026.         add_cflags -pthread

  6027.     elif check_lib pthreads pthread.h pthread_join   -pthreads &&

  6028.          check_lib pthreads pthread.h pthread_create -pthreads; then

  6029.         add_cflags -pthreads

  6030.     elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&

  6031.          check_lib pthreads pthread.h pthread_create -ldl -pthread; then

  6032.         add_cflags -ldl -pthread

  6033.     elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&

  6034.          check_lib pthreads pthread.h pthread_create -lpthreadGC2; then

  6035.         :

  6036.     elif check_lib pthreads pthread.h pthread_join   -lpthread &&

  6037.          check_lib pthreads pthread.h pthread_create -lpthread; then

  6038.         :

  6039.     elif check_func pthread_join && check_func pthread_create; then

  6040.         enable pthreads

  6041.     fi

  6042.     check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"

  6043. 

  6044.     if enabled pthreads; then

  6045.         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs

  6046.         check_func pthread_cancel $pthreads_extralibs

  6047.     fi

  6048. fi

  6049. 

  6050. enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||

  6051.                    check_lib zlib   zlib.h      zlibVersion    -lz; }

  6052. enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2

  6053. enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma

  6054. 

  6055. # On some systems dynamic loading requires no extra linker flags

  6056. check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl

  6057. 

  6058. check_lib libm math.h sin -lm

  6059. 

  6060. atan2f_args=2

  6061. copysign_args=2

  6062. hypot_args=2

  6063. ldexpf_args=2

  6064. powf_args=2

  6065. 

  6066. for func in $MATH_FUNCS; do

  6067.     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs

  6068. done

  6069. 

  6070. for func in $COMPLEX_FUNCS; do

  6071.     eval check_complexfunc $func \${${func}_args:-1}

  6072. done

  6073. 

  6074. # these are off by default, so fail if requested and not available

  6075. enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda

  6076. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  6077. enabled decklink          && { require_headers DeckLinkAPI.h &&

  6078.                                { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }

  6079. enabled libndi_newtek     && require_headers Processing.NDI.Lib.h

  6080. enabled frei0r            && require_headers "frei0r.h dlfcn.h"

  6081. enabled gmp               && require gmp gmp.h mpz_export -lgmp

  6082. enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

  6083. enabled jni               && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }

  6084. enabled ladspa            && require_headers "ladspa.h dlfcn.h"

  6085. enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version

  6086. enabled libaribb24        && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||

  6087.                                { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||

  6088.                                die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }

  6089. enabled lv2               && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new

  6090. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  6091. enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init

  6092. enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open

  6093. enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open

  6094. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  6095.                              { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||

  6096.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  6097. enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas

  6098. enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2

  6099. enabled libdav1d          && require_pkg_config libdav1d "dav1d >= 0.1.0" "dav1d/dav1d.h" dav1d_version

  6100. enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open

  6101. enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new

  6102. enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion

  6103. enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  6104.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  6105.                                  warn "using libfdk without pkg-config"; } }

  6106. flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"

  6107. enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs

  6108. enabled fontconfig        && enable libfontconfig

  6109. enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit

  6110. enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

  6111. enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info

  6112. enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||

  6113.                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }

  6114. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  6115.                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;

  6116.                                done || die "ERROR: libgsm not found"; }

  6117. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs

  6118. enabled libklvanc         && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc

  6119. enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  6120. enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_db_new

  6121. # While it may appear that require is being used as a pkg-config

  6122. # fallback for libmfx, it is actually being used to detect a different

  6123. # installation route altogether.  If libmfx is installed via the Intel

  6124. # Media SDK or Intel Media Server Studio, these don't come with

  6125. # pkg-config support.  Instead, users should make sure that the build

  6126. # can find the libraries and headers through other means.

  6127. enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||

  6128.                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }

  6129. enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load

  6130. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs

  6131. enabled libmysofa         && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||

  6132.                                require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }

  6133. enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||

  6134.                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||

  6135.                                die "ERROR: libnpp not found"; }

  6136. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  6137. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  6138. enabled libopencv         && { check_headers opencv2/core/core_c.h &&

  6139.                                { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||

  6140.                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  6141.                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }

  6142. enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion

  6143. enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||

  6144.                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }

  6145. enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"

  6146. enabled libopus           && {

  6147.     enabled libopus_decoder && {

  6148.         require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create

  6149.     }

  6150.     enabled libopus_encoder && {

  6151.         require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create

  6152.     }

  6153. }

  6154. enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new

  6155. enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo

  6156. enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket

  6157. enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"

  6158. enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer

  6159. enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||

  6160.                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }

  6161. enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++

  6162. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  6163. enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init

  6164. enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init

  6165. enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket

  6166. enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow

  6167. enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate

  6168. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  6169. enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure

  6170. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  6171.                              { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  6172.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  6173. enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl

  6174. enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  6175. enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf

  6176. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  6177. enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&

  6178.                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init

  6179. 

  6180. enabled libvpx            && {

  6181.     enabled libvpx_vp8_decoder && {

  6182.         check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  6183.             check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  6184.                 die "ERROR: libvpx decoder version must be >=1.4.0";

  6185.     }

  6186.     enabled libvpx_vp8_encoder && {

  6187.         check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  6188.             check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  6189.                 die "ERROR: libvpx encoder version must be >=1.4.0";

  6190.     }

  6191.     enabled libvpx_vp9_decoder && {

  6192.         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  6193.             check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  6194.     }

  6195.     enabled libvpx_vp9_encoder && {

  6196.         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  6197.             check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  6198.     }

  6199.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  6200.         die "libvpx enabled but no supported decoders found"

  6201.     fi

  6202. }

  6203. 

  6204. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  6205. enabled libwebp           && {

  6206.     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  6207.     enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }

  6208. enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||

  6209.                                { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&

  6210.                                  warn "using libx264 without pkg-config"; } } &&

  6211.                              require_cpp_condition libx264 x264.h "X264_BUILD >= 118" &&

  6212.                              check_cpp_condition libx262 x264.h "X264_MPEG2"

  6213. enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&

  6214.                              require_cpp_condition libx265 x265.h "X265_BUILD >= 68"

  6215. enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"

  6216. enabled libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get

  6217. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  6218. enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version

  6219. enabled libzmq            && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new

  6220. enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&

  6221.                              { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  6222.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  6223. enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion

  6224. enabled mbedtls           && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||

  6225.                                check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||

  6226.                                check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||

  6227.                                die "ERROR: mbedTLS not found"; }

  6228. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  6229. enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  6230.                                { ! enabled cross_compile &&

  6231.                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&

  6232.                                  add_ldflags -L/opt/vc/lib/ &&

  6233.                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||

  6234.                                die "ERROR: mmal not found" &&

  6235.                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }

  6236. enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  6237.                                check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||

  6238.                                die "ERROR: openal not found"; } &&

  6239.                              { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  6240.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  6241. enabled opencl            && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||

  6242.                                check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  6243.                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  6244.                                die "ERROR: opencl not found"; } &&

  6245.                              { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  6246.                                test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  6247.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  6248. enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||

  6249.                                check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  6250.                                check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  6251.                                check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  6252.                                die "ERROR: opengl not found."

  6253.                              }

  6254. enabled omx               && require_headers OMX_Core.h

  6255. enabled omx_rpi           && { check_headers OMX_Core.h ||

  6256.                                { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_headers OMX_Core.h ; } ||

  6257.                                die "ERROR: OpenMAX IL headers not found"; } && enable omx

  6258. enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||

  6259.                                check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||

  6260.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  6261.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  6262.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  6263.                                die "ERROR: openssl not found"; }

  6264. enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/rk_mpi.h mpp_create &&

  6265.                                require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&

  6266.                                { enabled libdrm ||

  6267.                                  die "ERROR: rkmpp requires --enable-libdrm"; }

  6268.                              }

  6269. enabled vapoursynth       && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init

  6270. 

  6271. 

  6272. if enabled gcrypt; then

  6273.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  6274.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  6275.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  6276.         gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)

  6277.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||

  6278.             die "ERROR: gcrypt not found"

  6279.         add_cflags $gcrypt_cflags

  6280.     else

  6281.         require gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  6282.     fi

  6283. fi

  6284. 

  6285. if enabled sdl2; then

  6286.     SDL2_CONFIG="${cross_prefix}sdl2-config"

  6287.     test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent

  6288.     if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then

  6289.         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)

  6290.         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)

  6291.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&

  6292.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&

  6293.         check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&

  6294.             enable sdl2

  6295.     fi

  6296.     if test $target_os = "mingw32"; then

  6297.         sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)

  6298.     fi

  6299. fi

  6300. 

  6301. if enabled decklink; then

  6302.     case $target_os in

  6303.         mingw32*|mingw64*|win32|win64)

  6304.             decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  6305.             decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  6306.             ;;

  6307.     esac

  6308. fi

  6309. 

  6310. enabled securetransport &&

  6311.     check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  6312.     check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||

  6313.         disable securetransport

  6314. 

  6315. enabled securetransport &&

  6316.     check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"

  6317. 

  6318. enabled schannel &&

  6319.     check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  6320.     test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&

  6321.     schannel_extralibs="-lsecur32" ||

  6322.         disable schannel

  6323. 

  6324. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  6325. enabled makeinfo \

  6326.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  6327.     && enable makeinfo_html || disable makeinfo_html

  6328. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  6329. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  6330. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  6331. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  6332. 

  6333. # check V4L2 codecs available in the API

  6334. check_headers linux/fb.h

  6335. check_headers linux/videodev2.h

  6336. test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6337. check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"

  6338. check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"

  6339. check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"

  6340. check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"

  6341. check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"

  6342. check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"

  6343. check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"

  6344. check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"

  6345. check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"

  6346. check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"

  6347. 

  6348. check_headers sys/videoio.h

  6349. test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6350. 

  6351. check_lib user32 "windows.h winuser.h" GetShellWindow -luser32

  6352. check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32

  6353. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  6354. # w32api 3.12 had it defined wrong

  6355. check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"

  6356. 

  6357. check_type "dshow.h" IBaseFilter

  6358. 

  6359. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  6360. check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||

  6361.     check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||

  6362.     check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||

  6363.     check_headers "dev/ic/bt8xx.h"

  6364. 

  6365. if check_struct sys/soundcard.h audio_buf_info bytes; then

  6366.     enable_sanitized sys/soundcard.h

  6367. else

  6368.     test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h

  6369.     #include <sys/soundcard.h>

  6370.     audio_buf_info abc;

  6371. EOF

  6372. fi

  6373. 

  6374. enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||

  6375.     check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound

  6376. 

  6377. enabled libjack &&

  6378.     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range

  6379. 

  6380. enabled sndio && check_lib sndio sndio.h sio_open -lsndio

  6381. 

  6382. if enabled libcdio; then

  6383.     check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||

  6384.     check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||

  6385.     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6386.     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6387.     die "ERROR: No usable libcdio/cdparanoia found"

  6388. fi

  6389. 

  6390. enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||

  6391.     disable libxcb_shm libxcb_shape libxcb_xfixes

  6392. 

  6393. if enabled libxcb; then

  6394.     enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach

  6395.     enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles

  6396.     enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image

  6397. fi

  6398. 

  6399. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  6400. 

  6401. # d3d11va requires linking directly to dxgi and d3d11 if not building for

  6402. # the desktop api partition

  6403. test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"

  6404. #ifdef WINAPI_FAMILY

  6405. #include <winapifamily.h>

  6406. #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  6407. #error desktop, not uwp

  6408. #else

  6409. // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP

  6410. #endif

  6411. #else

  6412. #error no family set

  6413. #endif

  6414. EOF

  6415. 

  6416. enabled vaapi &&

  6417.     check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize

  6418. 

  6419. if enabled vaapi; then

  6420.     check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM

  6421. 

  6422.     if enabled xlib; then

  6423.         check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay

  6424.     fi

  6425. 

  6426.     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"

  6427. fi

  6428. 

  6429. if enabled_all opencl libdrm ; then

  6430.     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

  6431.         enable opencl_drm_beignet

  6432.     check_func_headers "CL/cl_ext.h" clImportMemoryARM &&

  6433.         enable opencl_drm_arm

  6434. fi

  6435. 

  6436. if enabled_all opencl vaapi ; then

  6437.     enabled opencl_drm_beignet && enable opencl_vaapi_beignet

  6438.     check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&

  6439.         enable opencl_vaapi_intel_media

  6440. fi

  6441. 

  6442. if enabled_all opencl dxva2 ; then

  6443.     check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&

  6444.         enable opencl_dxva2

  6445. fi

  6446. 

  6447. if enabled_all opencl d3d11va ; then

  6448.     check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&

  6449.         enable opencl_d3d11

  6450. fi

  6451. 

  6452. enabled vdpau &&

  6453.     check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"

  6454. 

  6455. enabled vdpau &&

  6456.     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11

  6457. 

  6458. enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd

  6459. 

  6460. if enabled x86; then

  6461.     case $target_os in

  6462.         mingw32*|mingw64*|win32|win64|linux|cygwin*)

  6463.             ;;

  6464.         *)

  6465.             disable ffnvcodec cuvid nvdec nvenc

  6466.             ;;

  6467.     esac

  6468. else

  6469.     disable ffnvcodec cuvid nvdec nvenc

  6470. fi

  6471. 

  6472. enabled ffnvcodec && enable cuda

  6473. 

  6474. enabled nvenc &&

  6475.     test_cc -I$source_path <<EOF || disable nvenc

  6476. #include <ffnvcodec/nvEncodeAPI.h>

  6477. NV_ENCODE_API_FUNCTION_LIST flist;

  6478. void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }

  6479. int main(void) { return 0; }

  6480. EOF

  6481. 

  6482. enabled amf &&

  6483.     check_cpp_condition amf "AMF/core/Version.h" \

  6484.         "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"

  6485. 

  6486. # Funny iconv installations are not unusual, so check it after all flags have been set

  6487. if enabled libc_iconv; then

  6488.     check_func_headers iconv.h iconv

  6489. elif enabled iconv; then

  6490.     check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv

  6491. fi

  6492. 

  6493. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  6494. 

  6495. # add some useful compiler flags if supported

  6496. check_cflags -Wdeclaration-after-statement

  6497. check_cflags -Wall

  6498. check_cflags -Wdisabled-optimization

  6499. check_cflags -Wpointer-arith

  6500. check_cflags -Wredundant-decls

  6501. check_cflags -Wwrite-strings

  6502. check_cflags -Wtype-limits

  6503. check_cflags -Wundef

  6504. check_cflags -Wmissing-prototypes

  6505. check_cflags -Wno-pointer-to-int-cast

  6506. check_cflags -Wstrict-prototypes

  6507. check_cflags -Wempty-body

  6508. 

  6509. if enabled extra_warnings; then

  6510.     check_cflags -Wcast-qual

  6511.     check_cflags -Wextra

  6512.     check_cflags -Wpedantic

  6513. fi

  6514. 

  6515. check_disable_warning(){

  6516.     warning_flag=-W${1#-Wno-}

  6517.     test_cflags $unknown_warning_flags $warning_flag && add_cflags $1

  6518. }

  6519. 

  6520. test_cflags -Werror=unused-command-line-argument &&

  6521.     append unknown_warning_flags "-Werror=unused-command-line-argument"

  6522. test_cflags -Werror=unknown-warning-option &&

  6523.     append unknown_warning_flags "-Werror=unknown-warning-option"

  6524. 

  6525. check_disable_warning -Wno-parentheses

  6526. check_disable_warning -Wno-switch

  6527. check_disable_warning -Wno-format-zero-length

  6528. check_disable_warning -Wno-pointer-sign

  6529. check_disable_warning -Wno-unused-const-variable

  6530. check_disable_warning -Wno-bool-operation

  6531. check_disable_warning -Wno-char-subscripts

  6532. 

  6533. check_disable_warning_headers(){

  6534.     warning_flag=-W${1#-Wno-}

  6535.     test_cflags $warning_flag && add_cflags_headers $1

  6536. }

  6537. 

  6538. check_disable_warning_headers -Wno-deprecated-declarations

  6539. check_disable_warning_headers -Wno-unused-variable

  6540. 

  6541. test_cc <<EOF && enable blocks_extension

  6542. void (^block)(void);

  6543. EOF

  6544. 

  6545. # add some linker flags

  6546. check_ldflags -Wl,--warn-common

  6547. check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6548. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir

  6549. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6550. 

  6551. # add some strip flags

  6552. check_stripflags -x

  6553. 

  6554. enabled neon_clobber_test &&

  6555.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6556.                   -Wl,--wrap,avcodec_decode_audio4      \

  6557.                   -Wl,--wrap,avcodec_decode_video2      \

  6558.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6559.                   -Wl,--wrap,avcodec_encode_audio2      \

  6560.                   -Wl,--wrap,avcodec_encode_video2      \

  6561.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6562.                   -Wl,--wrap,avcodec_send_packet        \

  6563.                   -Wl,--wrap,avcodec_receive_packet     \

  6564.                   -Wl,--wrap,avcodec_send_frame         \

  6565.                   -Wl,--wrap,avcodec_receive_frame      \

  6566.                   -Wl,--wrap,swr_convert                \

  6567.                   -Wl,--wrap,avresample_convert ||

  6568.     disable neon_clobber_test

  6569. 

  6570. enabled xmm_clobber_test &&

  6571.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6572.                   -Wl,--wrap,avcodec_decode_audio4      \

  6573.                   -Wl,--wrap,avcodec_decode_video2      \

  6574.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6575.                   -Wl,--wrap,avcodec_encode_audio2      \

  6576.                   -Wl,--wrap,avcodec_encode_video2      \

  6577.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6578.                   -Wl,--wrap,avcodec_send_packet        \

  6579.                   -Wl,--wrap,avcodec_receive_packet     \

  6580.                   -Wl,--wrap,avcodec_send_frame         \

  6581.                   -Wl,--wrap,avcodec_receive_frame      \

  6582.                   -Wl,--wrap,swr_convert                \

  6583.                   -Wl,--wrap,avresample_convert         \

  6584.                   -Wl,--wrap,sws_scale ||

  6585.     disable xmm_clobber_test

  6586. 

  6587. check_ld "cc" proper_dce <<EOF

  6588. extern const int array[512];

  6589. static inline int func(void) { return array[0]; }

  6590. int main(void) { return 0; }

  6591. EOF

  6592. 

  6593. if enabled proper_dce; then

  6594.     echo "X { local: *; };" > $TMPV

  6595.     if test_ldflags -Wl,${version_script},$TMPV; then

  6596.         append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'

  6597.         quotes='""'

  6598.         test_cc <<EOF && enable symver_asm_label

  6599. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6600. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6601. EOF

  6602.         test_cc <<EOF && enable symver_gnu_asm

  6603. __asm__(".symver ff_foo,av_foo@VERSION");

  6604. void ff_foo(void) {}

  6605. EOF

  6606.     fi

  6607. fi

  6608. 

  6609. if [ -z "$optflags" ]; then

  6610.     if enabled small; then

  6611.         optflags=$cflags_size

  6612.     elif enabled optimizations; then

  6613.         optflags=$cflags_speed

  6614.     else

  6615.         optflags=$cflags_noopt

  6616.     fi

  6617. fi

  6618. 

  6619. if [ -z "$nvccflags" ]; then

  6620.     nvccflags=$nvccflags_default

  6621. fi

  6622. 

  6623. if enabled x86_64 || enabled ppc64 || enabled aarch64; then

  6624.     nvccflags="$nvccflags -m64"

  6625. else

  6626.     nvccflags="$nvccflags -m32"

  6627. fi

  6628. 

  6629. check_optflags(){

  6630.     check_cflags "$@"

  6631.     enabled lto && check_ldflags "$@"

  6632. }

  6633. 

  6634. check_optflags $optflags

  6635. check_optflags -fno-math-errno

  6636. check_optflags -fno-signed-zeros

  6637. 

  6638. if enabled lto; then

  6639.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6640.     check_cflags  -flto

  6641.     check_ldflags -flto $cpuflags

  6642.     disable inline_asm_direct_symbol_refs

  6643. fi

  6644. 

  6645. enabled ftrapv && check_cflags -ftrapv

  6646. 

  6647. test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6648. int x;

  6649. EOF

  6650. 

  6651. 

  6652. if enabled icc; then

  6653.     # Just warnings, no remarks

  6654.     check_cflags -w1

  6655.     # -wd: Disable following warnings

  6656.     # 144, 167, 556: -Wno-pointer-sign

  6657.     # 188: enumerated type mixed with another type

  6658.     # 1292: attribute "foo" ignored

  6659.     # 1419: external declaration in primary source file

  6660.     # 10006: ignoring unknown option -fno-signed-zeros

  6661.     # 10148: ignoring unknown option -Wno-parentheses

  6662.     # 10156: ignoring option '-W'; no argument required

  6663.     # 13200: No EMMS instruction before call to function

  6664.     # 13203: No EMMS instruction before return from function

  6665.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6666.     # 11030: Warning unknown option --as-needed

  6667.     # 10156: ignoring option '-export'; no argument required

  6668.     check_ldflags -wd10156,11030

  6669.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6670.     enable ebp_available

  6671.     # The test above does not test linking

  6672.     enabled lto && disable symver_asm_label

  6673.     if enabled x86_32; then

  6674.         icc_version=$($cc -dumpversion)

  6675.         test ${icc_version%%.*} -ge 11 &&

  6676.             check_cflags -falign-stack=maintain-16-byte ||

  6677.             disable aligned_stack

  6678.     fi

  6679. elif enabled gcc; then

  6680.     check_optflags -fno-tree-vectorize

  6681.     check_cflags -Werror=format-security

  6682.     check_cflags -Werror=implicit-function-declaration

  6683.     check_cflags -Werror=missing-prototypes

  6684.     check_cflags -Werror=return-type

  6685.     check_cflags -Werror=vla

  6686.     check_cflags -Wformat

  6687.     check_cflags -fdiagnostics-color=auto

  6688.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6689.     if enabled x86_32; then

  6690.         case $target_os in

  6691.         *bsd*)

  6692.             # BSDs don't guarantee a 16 byte aligned stack, but we can

  6693.             # request GCC to try to maintain 16 byte alignment throughout

  6694.             # function calls. Library entry points that might call assembly

  6695.             # functions align the stack. (The parameter means 2^4 bytes.)

  6696.             check_cflags -mpreferred-stack-boundary=4

  6697.             ;;

  6698.         esac

  6699.     fi

  6700. elif enabled llvm_gcc; then

  6701.     check_cflags -mllvm -stack-alignment=16

  6702. elif enabled clang; then

  6703.     if enabled x86_32; then

  6704.         # Clang doesn't support maintaining alignment without assuming the

  6705.         # same alignment in every function. If 16 byte alignment would be

  6706.         # enabled, one would also have to either add attribute_align_arg on

  6707.         # every single entry point into the libraries or enable -mstackrealign

  6708.         # (doing stack realignment in every single function).

  6709.         case $target_os in

  6710.         mingw32|win32|*bsd*)

  6711.             disable aligned_stack

  6712.             ;;

  6713.         *)

  6714.             check_cflags -mllvm -stack-alignment=16

  6715.             check_cflags -mstack-alignment=16

  6716.             ;;

  6717.         esac

  6718.     else

  6719.         check_cflags -mllvm -stack-alignment=16

  6720.         check_cflags -mstack-alignment=16

  6721.     fi

  6722.     check_cflags -Qunused-arguments

  6723.     check_cflags -Werror=implicit-function-declaration

  6724.     check_cflags -Werror=missing-prototypes

  6725.     check_cflags -Werror=return-type

  6726. elif enabled cparser; then

  6727.     add_cflags -Wno-missing-variable-declarations

  6728.     add_cflags -Wno-empty-statement

  6729. elif enabled armcc; then

  6730.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6731.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6732.     # 2523: use of inline assembly is deprecated

  6733.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6734.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6735.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6736.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6737.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6738.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6739. elif enabled pathscale; then

  6740.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6741.     disable inline_asm

  6742. elif enabled_any msvc icl; then

  6743.     enabled x86_32 && disable aligned_stack

  6744.     enabled_all x86_32 debug && add_cflags -Oy-

  6745.     enabled debug && add_ldflags -debug

  6746.     enable pragma_deprecated

  6747.     if enabled icl; then

  6748.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6749.         # (correctly) on icl 13.x.

  6750.         test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6751.             add_cflags -Qansi-alias

  6752.         # Some inline asm is not compilable in debug

  6753.         if enabled debug; then

  6754.             disable ebp_available

  6755.             disable ebx_available

  6756.         fi

  6757.     fi

  6758.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6759.     check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"

  6760.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6761.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6762.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6763.     # MSVC 2013 and newer can handle it fine.

  6764.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6765.     # happens in config.h.

  6766.     if [ $restrict_keyword != restrict ]; then

  6767.         test_cc <<EOF || add_cflags -FIstdlib.h

  6768. __declspec($restrict_keyword) void *foo(int);

  6769. EOF

  6770.     fi

  6771.     # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code

  6772.     # Issue has been fixed in MSVC v19.00.24218.

  6773.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||

  6774.         check_cflags -d2SSAOptimizer-

  6775.     # enable utf-8 source processing on VS2015 U2 and newer

  6776.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&

  6777.         add_cflags -utf-8

  6778. fi

  6779. 

  6780. for pfx in "" host_; do

  6781.     varname=${pfx%_}cc_type

  6782.     eval "type=\$$varname"

  6783.     if [ "$type" = "msvc" ]; then

  6784.         test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6785. static inline int foo(int a) { return a; }

  6786. EOF

  6787.     fi

  6788. done

  6789. 

  6790. case $as_type in

  6791.     clang)

  6792.         add_asflags -Qunused-arguments

  6793.     ;;

  6794. esac

  6795. 

  6796. case $ld_type in

  6797.     clang)

  6798.         check_ldflags -Qunused-arguments

  6799.     ;;

  6800. esac

  6801. 

  6802. enable frame_thread_encoder

  6803. 

  6804. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6805. 

  6806. check_deps $CONFIG_LIST       \

  6807.            $CONFIG_EXTRA      \

  6808.            $HAVE_LIST         \

  6809.            $ALL_COMPONENTS    \

  6810. 

  6811. enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"

  6812. enabled avresample && warn "Building with deprecated library libavresample"

  6813. 

  6814. case $target_os in

  6815. haiku)

  6816.     disable memalign

  6817.     disable posix_memalign

  6818.     ;;

  6819. *-dos|freedos|opendos)

  6820.     if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then

  6821.         disable memalign

  6822.     fi

  6823.     ;;

  6824. esac

  6825. 

  6826. flatten_extralibs(){

  6827.     nested_entries=

  6828.     list_name=$1

  6829.     eval list=\$${1}

  6830.     for entry in $list; do

  6831.         entry_copy=$entry

  6832.         resolve entry_copy

  6833.         flat_entries=

  6834.         for e in $entry_copy; do

  6835.             case $e in

  6836.                 *_extralibs) nested_entries="$nested_entries$e ";;

  6837.                           *) flat_entries="$flat_entries$e ";;

  6838.             esac

  6839.         done

  6840.         eval $entry="\$flat_entries"

  6841.     done

  6842.     append $list_name "$nested_entries"

  6843. 

  6844.     resolve nested_entries

  6845.     if test -n "$(filter '*_extralibs' $nested_entries)"; then

  6846.         flatten_extralibs $list_name

  6847.     fi

  6848. }

  6849. 

  6850. flatten_extralibs_wrapper(){

  6851.     list_name=$1

  6852.     flatten_extralibs $list_name

  6853.     unique $list_name

  6854.     resolve $list_name

  6855.     eval $list_name=\$\(\$ldflags_filter \$$list_name\)

  6856.     eval printf \''%s'\' \""\$$list_name"\"

  6857. }

  6858. 

  6859. for linkunit in $LIBRARY_LIST; do

  6860.     unset current_extralibs

  6861.     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST

  6862.     for comp in ${components}; do

  6863.         enabled $comp || continue

  6864.         comp_extralibs="${comp}_extralibs"

  6865.         append current_extralibs $comp_extralibs

  6866.     done

  6867.     eval prepend ${linkunit}_extralibs $current_extralibs

  6868. done

  6869. 

  6870. for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  6871.     eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)

  6872. done

  6873. 

  6874. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6875. 

  6876. for thread in $THREADS_LIST; do

  6877.     if enabled $thread; then

  6878.         test -n "$thread_type" &&

  6879.             die "ERROR: Only one thread type must be selected." ||

  6880.             thread_type="$thread"

  6881.     fi

  6882. done

  6883. 

  6884. if disabled stdatomic; then

  6885.     if enabled atomics_gcc; then

  6886.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'

  6887.     elif enabled atomics_win32; then

  6888.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'

  6889.     elif enabled atomics_suncc; then

  6890.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'

  6891.     elif enabled pthreads; then

  6892.         add_compat atomics/pthread/stdatomic.o

  6893.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'

  6894.     else

  6895.         enabled threads && die "Threading is enabled, but no atomics are available"

  6896.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'

  6897.     fi

  6898. fi

  6899. 

  6900. # Check if requested libraries were found.

  6901. for lib in $AUTODETECT_LIBS; do

  6902.     requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";

  6903. done

  6904. 

  6905. enabled zlib && add_cppflags -DZLIB_CONST

  6906. 

  6907. # conditional library dependencies, in any order

  6908. enabled afftdn_filter       && prepend avfilter_deps "avcodec"

  6909. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6910. enabled afir_filter         && prepend avfilter_deps "avcodec"

  6911. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6912. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6913. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6914. enabled bm3d_filter         && prepend avfilter_deps "avcodec"

  6915. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6916. enabled convolve_filter     && prepend avfilter_deps "avcodec"

  6917. enabled deconvolve_filter   && prepend avfilter_deps "avcodec"

  6918. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6919. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6920. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6921. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6922. enabled firequalizer_filter && prepend avfilter_deps "avcodec"

  6923. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6924. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6925. enabled pan_filter          && prepend avfilter_deps "swresample"

  6926. enabled pp_filter           && prepend avfilter_deps "postproc"

  6927. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6928. enabled resample_filter && prepend avfilter_deps "avresample"

  6929. enabled sab_filter          && prepend avfilter_deps "swscale"

  6930. enabled scale_filter    && prepend avfilter_deps "swscale"

  6931. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6932. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6933. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6934. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6935. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6936. enabled signature_filter    && prepend avfilter_deps "avcodec avformat"

  6937. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6938. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6939. enabled spp_filter          && prepend avfilter_deps "avcodec"

  6940. enabled sr_filter           && prepend avfilter_deps "avformat swscale"

  6941. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6942. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6943. enabled zoompan_filter      && prepend avfilter_deps "swscale"

  6944. 

  6945. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6946. 

  6947. #FIXME

  6948. enabled_any sdl2_outdev opengl_outdev && enabled sdl2 &&

  6949.     add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)

  6950. 

  6951. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6952. 

  6953. # reorder the items at var $1 to align with the items order at var $2 .

  6954. # die if an item at $1 is not at $2 .

  6955. reorder_by(){

  6956.     eval rb_in=\$$1

  6957.     eval rb_ordered=\$$2

  6958. 

  6959.     for rb in $rb_in; do

  6960.         is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2"

  6961.     done

  6962. 

  6963.     rb_out=

  6964.     for rb in $rb_ordered; do

  6965.         is_in $rb $rb_in && rb_out="$rb_out$rb "

  6966.     done

  6967.     eval $1=\$rb_out

  6968. }

  6969. 

  6970. # deps-expand fflib $1:  N x {append all expanded deps; unique}

  6971. # within a set of N items, N expansions are enough to expose a cycle.

  6972. expand_deps(){

  6973.     unique ${1}_deps  # required for the early break test.

  6974.     for dummy in $LIBRARY_LIST; do  # N iteratios

  6975.         eval deps=\$${1}_deps

  6976.         append ${1}_deps $(map 'eval echo \$${v}_deps' $deps)

  6977.         unique ${1}_deps

  6978.         eval '[ ${#deps} = ${#'${1}_deps'} ]' && break  # doesn't expand anymore

  6979.     done

  6980. 

  6981.     eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps"

  6982.     reorder_by ${1}_deps LIBRARY_LIST  # linking order is expected later

  6983. }

  6984. 

  6985. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6986. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6987. 

  6988. map 'expand_deps $v' $LIBRARY_LIST

  6989. 

  6990. if test "$quiet" != "yes"; then

  6991. 

  6992. echo "install prefix            $prefix"

  6993. echo "source path               $source_path"

  6994. echo "C compiler                $cc"

  6995. echo "C library                 $libc_type"

  6996. if test "$host_cc" != "$cc"; then

  6997.     echo "host C compiler           $host_cc"

  6998.     echo "host C library            $host_libc_type"

  6999. fi

  7000. echo "ARCH                      $arch ($cpu)"

  7001. if test "$build_suffix" != ""; then

  7002.     echo "build suffix              $build_suffix"

  7003. fi

  7004. if test "$progs_suffix" != ""; then

  7005.     echo "progs suffix              $progs_suffix"

  7006. fi

  7007. if test "$extra_version" != ""; then

  7008.     echo "version string suffix     $extra_version"

  7009. fi

  7010. echo "big-endian                ${bigendian-no}"

  7011. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  7012. if enabled x86; then

  7013.     echo "standalone assembly       ${x86asm-no}"

  7014.     echo "x86 assembler             ${x86asmexe}"

  7015.     echo "MMX enabled               ${mmx-no}"

  7016.     echo "MMXEXT enabled            ${mmxext-no}"

  7017.     echo "3DNow! enabled            ${amd3dnow-no}"

  7018.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  7019.     echo "SSE enabled               ${sse-no}"

  7020.     echo "SSSE3 enabled             ${ssse3-no}"

  7021.     echo "AESNI enabled             ${aesni-no}"

  7022.     echo "AVX enabled               ${avx-no}"

  7023.     echo "AVX2 enabled              ${avx2-no}"

  7024.     echo "AVX-512 enabled           ${avx512-no}"

  7025.     echo "XOP enabled               ${xop-no}"

  7026.     echo "FMA3 enabled              ${fma3-no}"

  7027.     echo "FMA4 enabled              ${fma4-no}"

  7028.     echo "i686 features enabled     ${i686-no}"

  7029.     echo "CMOV is fast              ${fast_cmov-no}"

  7030.     echo "EBX available             ${ebx_available-no}"

  7031.     echo "EBP available             ${ebp_available-no}"

  7032. fi

  7033. if enabled aarch64; then

  7034.     echo "NEON enabled              ${neon-no}"

  7035.     echo "VFP enabled               ${vfp-no}"

  7036. fi

  7037. if enabled arm; then

  7038.     echo "ARMv5TE enabled           ${armv5te-no}"

  7039.     echo "ARMv6 enabled             ${armv6-no}"

  7040.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  7041.     echo "VFP enabled               ${vfp-no}"

  7042.     echo "NEON enabled              ${neon-no}"

  7043.     echo "THUMB enabled             ${thumb-no}"

  7044. fi

  7045. if enabled mips; then

  7046.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  7047.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  7048.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  7049.     echo "MIPS MSA enabled          ${msa-no}"

  7050.     echo "LOONGSON MMI enabled      ${mmi-no}"

  7051. fi

  7052. if enabled ppc; then

  7053.     echo "AltiVec enabled           ${altivec-no}"

  7054.     echo "VSX enabled               ${vsx-no}"

  7055.     echo "POWER8 enabled            ${power8-no}"

  7056.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  7057.     echo "dcbzl available           ${dcbzl-no}"

  7058. fi

  7059. echo "debug symbols             ${debug-no}"

  7060. echo "strip symbols             ${stripping-no}"

  7061. echo "optimize for size         ${small-no}"

  7062. echo "optimizations             ${optimizations-no}"

  7063. echo "static                    ${static-no}"

  7064. echo "shared                    ${shared-no}"

  7065. echo "postprocessing support    ${postproc-no}"

  7066. echo "network support           ${network-no}"

  7067. echo "threading support         ${thread_type-no}"

  7068. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  7069. echo "texi2html enabled         ${texi2html-no}"

  7070. echo "perl enabled              ${perl-no}"

  7071. echo "pod2man enabled           ${pod2man-no}"

  7072. echo "makeinfo enabled          ${makeinfo-no}"

  7073. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  7074. test -n "$random_seed" &&

  7075.     echo "random seed               ${random_seed}"

  7076. echo

  7077. 

  7078. echo "External libraries:"

  7079. print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7080. echo

  7081. 

  7082. echo "External libraries providing hardware acceleration:"

  7083. print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7084. echo

  7085. 

  7086. echo "Libraries:"

  7087. print_enabled '' $LIBRARY_LIST | print_in_columns

  7088. echo

  7089. 

  7090. echo "Programs:"

  7091. print_enabled '' $PROGRAM_LIST | print_in_columns

  7092. echo

  7093. 

  7094. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  7095.     echo "Enabled ${type}s:"

  7096.     eval list=\$$(toupper $type)_LIST

  7097.     print_enabled '_*' $list | print_in_columns

  7098.     echo

  7099. done

  7100. 

  7101. if test -n "$ignore_tests"; then

  7102.     ignore_tests=$(echo $ignore_tests | tr ',' ' ')

  7103.     echo "Ignored FATE tests:"

  7104.     echo $ignore_tests | print_in_columns

  7105.     echo

  7106. fi

  7107. 

  7108. echo "License: $license"

  7109. 

  7110. fi # test "$quiet" != "yes"

  7111. 

  7112. if test -n "$WARNINGS"; then

  7113.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  7114.     enabled fatal_warnings && exit 1

  7115. fi

  7116. 

  7117. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  7118. 

  7119. esc(){

  7120.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  7121. }

  7122. 

  7123. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate

  7124. 

  7125. enabled stripping || strip="echo skipping strip"

  7126. enabled stripping || striptype=""

  7127. 

  7128. config_files="$TMPH ffbuild/config.mak doc/config.texi"

  7129. 

  7130. cat > ffbuild/config.mak <<EOF

  7131. # Automatically generated by configure - do not modify!

  7132. ifndef FFMPEG_CONFIG_MAK

  7133. FFMPEG_CONFIG_MAK=1

  7134. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  7135. prefix=$prefix

  7136. LIBDIR=\$(DESTDIR)$libdir

  7137. SHLIBDIR=\$(DESTDIR)$shlibdir

  7138. INCDIR=\$(DESTDIR)$incdir

  7139. BINDIR=\$(DESTDIR)$bindir

  7140. DATADIR=\$(DESTDIR)$datadir

  7141. DOCDIR=\$(DESTDIR)$docdir

  7142. MANDIR=\$(DESTDIR)$mandir

  7143. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  7144. INSTALL_NAME_DIR=$install_name_dir

  7145. SRC_PATH=$source_path

  7146. SRC_LINK=$source_link

  7147. ifndef MAIN_MAKEFILE

  7148. SRC_PATH:=\$(SRC_PATH:.%=..%)

  7149. endif

  7150. CC_IDENT=$cc_ident

  7151. ARCH=$arch

  7152. INTRINSICS=$intrinsics

  7153. EXTERN_PREFIX=$extern_prefix

  7154. CC=$cc

  7155. CXX=$cxx

  7156. AS=$as

  7157. OBJCC=$objcc

  7158. LD=$ld

  7159. DEPCC=$dep_cc

  7160. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  7161. DEPAS=$as

  7162. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  7163. X86ASM=$x86asmexe

  7164. DEPX86ASM=$x86asmexe

  7165. DEPX86ASMFLAGS=\$(X86ASMFLAGS)

  7166. AR=$ar

  7167. ARFLAGS=$arflags

  7168. AR_O=$ar_o

  7169. AR_CMD=$ar

  7170. NM_CMD=$nm

  7171. RANLIB=$ranlib

  7172. STRIP=$strip

  7173. STRIPTYPE=$striptype

  7174. NVCC=$nvcc

  7175. CP=cp -p

  7176. LN_S=$ln_s

  7177. CPPFLAGS=$CPPFLAGS

  7178. CFLAGS=$CFLAGS

  7179. CXXFLAGS=$CXXFLAGS

  7180. OBJCFLAGS=$OBJCFLAGS

  7181. ASFLAGS=$ASFLAGS

  7182. NVCCFLAGS=$nvccflags

  7183. AS_C=$AS_C

  7184. AS_O=$AS_O

  7185. OBJCC_C=$OBJCC_C

  7186. OBJCC_E=$OBJCC_E

  7187. OBJCC_O=$OBJCC_O

  7188. CC_C=$CC_C

  7189. CC_E=$CC_E

  7190. CC_O=$CC_O

  7191. CXX_C=$CXX_C

  7192. CXX_O=$CXX_O

  7193. NVCC_C=$NVCC_C

  7194. NVCC_O=$NVCC_O

  7195. LD_O=$LD_O

  7196. X86ASM_O=$X86ASM_O

  7197. LD_LIB=$LD_LIB

  7198. LD_PATH=$LD_PATH

  7199. DLLTOOL=$dlltool

  7200. WINDRES=$windres

  7201. DEPWINDRES=$dep_cc

  7202. DOXYGEN=$doxygen

  7203. LDFLAGS=$LDFLAGS

  7204. LDEXEFLAGS=$LDEXEFLAGS

  7205. LDSOFLAGS=$LDSOFLAGS

  7206. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  7207. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  7208. X86ASMFLAGS=$X86ASMFLAGS

  7209. BUILDSUF=$build_suffix

  7210. PROGSSUF=$progs_suffix

  7211. FULLNAME=$FULLNAME

  7212. LIBPREF=$LIBPREF

  7213. LIBSUF=$LIBSUF

  7214. LIBNAME=$LIBNAME

  7215. SLIBPREF=$SLIBPREF

  7216. SLIBSUF=$SLIBSUF

  7217. EXESUF=$EXESUF

  7218. EXTRA_VERSION=$extra_version

  7219. CCDEP=$CCDEP

  7220. CXXDEP=$CXXDEP

  7221. CCDEP_FLAGS=$CCDEP_FLAGS

  7222. ASDEP=$ASDEP

  7223. ASDEP_FLAGS=$ASDEP_FLAGS

  7224. X86ASMDEP=$X86ASMDEP

  7225. X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS

  7226. CC_DEPFLAGS=$CC_DEPFLAGS

  7227. AS_DEPFLAGS=$AS_DEPFLAGS

  7228. X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS

  7229. HOSTCC=$host_cc

  7230. HOSTLD=$host_ld

  7231. HOSTCFLAGS=$host_cflags

  7232. HOSTCPPFLAGS=$host_cppflags

  7233. HOSTEXESUF=$HOSTEXESUF

  7234. HOSTLDFLAGS=$host_ldflags

  7235. HOSTEXTRALIBS=$host_extralibs

  7236. DEPHOSTCC=$host_cc

  7237. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  7238. HOSTCCDEP=$HOSTCCDEP

  7239. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  7240. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  7241. HOSTCC_C=$HOSTCC_C

  7242. HOSTCC_O=$HOSTCC_O

  7243. HOSTLD_O=$HOSTLD_O

  7244. TARGET_EXEC=$target_exec $target_exec_args

  7245. TARGET_PATH=$target_path

  7246. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  7247. CFLAGS-ffplay=${sdl2_cflags}

  7248. CFLAGS_HEADERS=$CFLAGS_HEADERS

  7249. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  7250. EXTRALIBS=$extralibs

  7251. COMPAT_OBJS=$compat_objs

  7252. INSTALL=$install

  7253. LIBTARGET=${LIBTARGET}

  7254. SLIBNAME=${SLIBNAME}

  7255. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  7256. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  7257. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  7258. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  7259. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  7260. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  7261. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  7262. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  7263. VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}

  7264. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  7265. NOREDZONE_FLAGS=$noredzone_flags

  7266. LIBFUZZER_PATH=$libfuzzer_path

  7267. IGNORE_TESTS=$ignore_tests

  7268. EOF

  7269. 

  7270. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST

  7271. 

  7272. for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7273.     eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak

  7274. done

  7275. 

  7276. cat > $TMPH <<EOF

  7277. /* Automatically generated by configure - do not modify! */

  7278. #ifndef FFMPEG_CONFIG_H

  7279. #define FFMPEG_CONFIG_H

  7280. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  7281. #define FFMPEG_LICENSE "$(c_escape $license)"

  7282. #define CONFIG_THIS_YEAR 2019

  7283. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  7284. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  7285. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  7286. #define av_restrict $restrict_keyword

  7287. #define EXTERN_PREFIX "${extern_prefix}"

  7288. #define EXTERN_ASM ${extern_prefix}

  7289. #define BUILDSUF "$build_suffix"

  7290. #define SLIBSUF "$SLIBSUF"

  7291. #define HAVE_MMX2 HAVE_MMXEXT

  7292. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  7293. EOF

  7294. 

  7295. test -n "$assert_level" &&

  7296.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  7297. 

  7298. test -n "$malloc_prefix" &&

  7299.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  7300. 

  7301. if enabled x86asm; then

  7302.     append config_files $TMPASM

  7303.     cat > $TMPASM <<EOF

  7304. ; Automatically generated by configure - do not modify!

  7305. EOF

  7306. fi

  7307. 

  7308. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  7309. 

  7310. 

  7311. mkdir -p doc

  7312. mkdir -p tests

  7313. mkdir -p tests/api

  7314. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  7315. 

  7316. print_config ARCH_   "$config_files" $ARCH_LIST

  7317. print_config HAVE_   "$config_files" $HAVE_LIST

  7318. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  7319.                                      $CONFIG_EXTRA      \

  7320.                                      $ALL_COMPONENTS    \

  7321. 

  7322. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  7323. echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak

  7324. 

  7325. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  7326. cp_if_changed $TMPH config.h

  7327. touch ffbuild/.config

  7328. 

  7329. enabled x86asm && cp_if_changed $TMPASM config.asm

  7330. 

  7331. cat > $TMPH <<EOF

  7332. /* Generated by ffmpeg configure */

  7333. #ifndef AVUTIL_AVCONFIG_H

  7334. #define AVUTIL_AVCONFIG_H

  7335. EOF

  7336. 

  7337. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  7338. 

  7339. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  7340. 

  7341. cp_if_changed $TMPH libavutil/avconfig.h

  7342. 

  7343. # full_filter_name_foo=vf_foo

  7344. # full_filter_name_bar=asrc_bar

  7345. # ...

  7346. eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"

  7347. 

  7348. # generate the lists of enabled components

  7349. print_enabled_components(){

  7350.     file=$1

  7351.     struct_name=$2

  7352.     name=$3

  7353.     shift 3

  7354.     echo "static const $struct_name * const $name[] = {" > $TMPH

  7355.     for c in $*; do

  7356.         if enabled $c; then

  7357.             case $name in

  7358.                 filter_list)

  7359.                     eval c=\$full_filter_name_${c%_filter}

  7360.                 ;;

  7361.                 indev_list)

  7362.                     c=${c%_indev}_demuxer

  7363.                 ;;

  7364.                 outdev_list)

  7365.                     c=${c%_outdev}_muxer

  7366.                 ;;

  7367.             esac

  7368.             printf "    &ff_%s,\n" $c >> $TMPH

  7369.         fi

  7370.     done

  7371.     if [ "$name" = "filter_list" ]; then

  7372.         for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do

  7373.             printf "    &ff_%s,\n" $c >> $TMPH

  7374.         done

  7375.     fi

  7376.     echo "    NULL };" >> $TMPH

  7377.     cp_if_changed $TMPH $file

  7378. }

  7379. 

  7380. print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST

  7381. print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST

  7382. print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST

  7383. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  7384. print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST

  7385. print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST

  7386. print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST

  7387. print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST

  7388. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  7389. 

  7390. # Settings for pkg-config files

  7391. 

  7392. cat > $TMPH <<EOF

  7393. # Automatically generated by configure - do not modify!

  7394. shared=$shared

  7395. build_suffix=$build_suffix

  7396. prefix=$prefix

  7397. libdir=$libdir

  7398. incdir=$incdir

  7399. rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")

  7400. source_path=${source_path}

  7401. LIBPREF=${LIBPREF}

  7402. LIBSUF=${LIBSUF}

  7403. extralibs_avutil="$avutil_extralibs"

  7404. extralibs_avcodec="$avcodec_extralibs"

  7405. extralibs_avformat="$avformat_extralibs"

  7406. extralibs_avdevice="$avdevice_extralibs"

  7407. extralibs_avfilter="$avfilter_extralibs"

  7408. extralibs_avresample="$avresample_extralibs"

  7409. extralibs_postproc="$postproc_extralibs"

  7410. extralibs_swscale="$swscale_extralibs"

  7411. extralibs_swresample="$swresample_extralibs"

  7412. EOF

  7413. 

  7414. for lib in $LIBRARY_LIST; do

  7415.     lib_deps="$(eval echo \$${lib}_deps)"

  7416.     echo ${lib}_deps=\"$lib_deps\" >> $TMPH

  7417. done

  7418. 

  7419. cp_if_changed $TMPH ffbuild/config.sh