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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-libglslang      enable GLSL->SPIRV compilation via libglslang [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  258.   --enable-librabbitmq     enable RabbitMQ library [no]

  259.   --enable-librav1e        enable AV1 encoding via rav1e [no]

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

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

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

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

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

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

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

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

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

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

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

  271.                            for DNN based filters like sr [no]

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

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

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

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

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

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

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

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

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

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

  282.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  297.                            for dash demuxing support [no]

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

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

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

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

  302.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

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

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

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

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

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

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

  313.   --enable-pocketsphinx    enable PocketSphinx, needed for asr filter [no]

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

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

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

  317.   --disable-sdl2           disable sdl2 [autodetect]

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

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

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

  321.   --enable-vulkan          enable Vulkan code [no]

  322.   --disable-xlib           disable xlib [autodetect]

  323.   --disable-zlib           disable zlib [autodetect]

  324. 

  325.   The following libraries provide various hardware acceleration features:

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

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

  328.   --enable-cuda-nvcc       enable Nvidia CUDA compiler [no]

  329.   --disable-cuda-llvm      disable CUDA compilation using clang [autodetect]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  347. 

  348. Toolchain options:

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

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

  351.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

  364.                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,

  365.                            valgrind-massif, valgrind-memcheck,

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

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

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

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

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

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

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

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

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

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

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

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

  378.   --nvcc=NVCC              use Nvidia CUDA compiler NVCC or clang [$nvcc_default]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  406. 

  407. Advanced options (experts only):

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

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

  410.   --disable-symver         disable symbol versioning

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

  412.   --disable-safe-bitstream-reader

  413.                            disable buffer boundary checking in bitreaders

  414.                            (faster, but may crash)

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

  416. 

  417. Optimization options (experts only):

  418.   --disable-asm            disable all assembly optimizations

  419.   --disable-altivec        disable AltiVec optimizations

  420.   --disable-vsx            disable VSX optimizations

  421.   --disable-power8         disable POWER8 optimizations

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

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

  424.   --disable-mmx            disable MMX optimizations

  425.   --disable-mmxext         disable MMXEXT optimizations

  426.   --disable-sse            disable SSE optimizations

  427.   --disable-sse2           disable SSE2 optimizations

  428.   --disable-sse3           disable SSE3 optimizations

  429.   --disable-ssse3          disable SSSE3 optimizations

  430.   --disable-sse4           disable SSE4 optimizations

  431.   --disable-sse42          disable SSE4.2 optimizations

  432.   --disable-avx            disable AVX optimizations

  433.   --disable-xop            disable XOP optimizations

  434.   --disable-fma3           disable FMA3 optimizations

  435.   --disable-fma4           disable FMA4 optimizations

  436.   --disable-avx2           disable AVX2 optimizations

  437.   --disable-avx512         disable AVX-512 optimizations

  438.   --disable-aesni          disable AESNI optimizations

  439.   --disable-armv5te        disable armv5te optimizations

  440.   --disable-armv6          disable armv6 optimizations

  441.   --disable-armv6t2        disable armv6t2 optimizations

  442.   --disable-vfp            disable VFP optimizations

  443.   --disable-neon           disable NEON optimizations

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

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

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

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

  448.   --disable-msa            disable MSA optimizations

  449.   --disable-msa2           disable MSA2 optimizations

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

  451.   --disable-mmi            disable Loongson SIMD optimizations

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

  453. 

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

  455.   --disable-debug          disable debugging symbols

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

  457.   --disable-optimizations  disable compiler optimizations

  458.   --enable-extra-warnings  enable more compiler warnings

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

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

  461.                            2 causes a slowdown at runtime.

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

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

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

  465.                            Cannot be combined with --target-exec

  466.   --enable-ftrapv          Trap arithmetic overflows

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

  468.                            \$FATE_SAMPLES at make invocation time.

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

  470.                            used only for debugging purposes)

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

  472.                            should be used only for debugging purposes)

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

  474.   --disable-random

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

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

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

  478.                            (group) and PROB the probability associated with

  479.                            NAME (default 0.5).

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

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

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

  483.   --enable-ossfuzz         Enable building fuzzer tool

  484.   --libfuzzer=PATH         path to libfuzzer

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

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

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

  488.   --disable-large-tests    disable tests that use a large amount of memory

  489. 

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

  491. EOF

  492.   exit 0

  493. }

  494. 

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

  496.     ncolors=$(tput colors)

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

  498.         bold_color=$(tput bold)

  499.         warn_color=$(tput setaf 3)

  500.         error_color=$(tput setaf 1)

  501.         reset_color=$(tput sgr0)

  502.     fi

  503.     # 72 used instead of 80 since that's the default of pr

  504.     ncols=$(tput cols)

  505. fi

  506. : ${ncols:=72}

  507. 

  508. log(){

  509.     echo "$@" >> $logfile

  510. }

  511. 

  512. log_file(){

  513.     log BEGIN "$1"

  514.     log_file_i=1

  515.     while IFS= read -r log_file_line; do

  516.         printf '%5d\t%s\n' "$log_file_i" "$log_file_line"

  517.         log_file_i=$(($log_file_i+1))

  518.     done < "$1" >> "$logfile"

  519.     log END "$1"

  520. }

  521. 

  522. warn(){

  523.     log "WARNING: $*"

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

  525. }

  526. 

  527. die(){

  528.     log "$@"

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

  530.     cat <<EOF

  531. 

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

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

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

  535. EOF

  536.     if disabled logging; then

  537.         cat <<EOF

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

  539. include the log this produces with your report.

  540. EOF

  541.     else

  542.         cat <<EOF

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

  544. solve the problem.

  545. EOF

  546.     fi

  547.     exit 1

  548. }

  549. 

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

  551. toupper(){

  552.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  553. }

  554. 

  555. tolower(){

  556.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  557. }

  558. 

  559. c_escape(){

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

  561. }

  562. 

  563. sh_quote(){

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

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

  566.     echo "$v"

  567. }

  568. 

  569. cleanws(){

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

  571. }

  572. 

  573. filter(){

  574.     pat=$1

  575.     shift

  576.     for v; do

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

  578.     done

  579. }

  580. 

  581. filter_out(){

  582.     pat=$1

  583.     shift

  584.     for v; do

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

  586.     done

  587. }

  588. 

  589. map(){

  590.     m=$1

  591.     shift

  592.     for v; do eval $m; done

  593. }

  594. 

  595. add_suffix(){

  596.     suffix=$1

  597.     shift

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

  599. }

  600. 

  601. remove_suffix(){

  602.     suffix=$1

  603.     shift

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

  605. }

  606. 

  607. set_all(){

  608.     value=$1

  609.     shift

  610.     for var in $*; do

  611.         eval $var=$value

  612.     done

  613. }

  614. 

  615. set_weak(){

  616.     value=$1

  617.     shift

  618.     for var; do

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

  620.     done

  621. }

  622. 

  623. sanitize_var_name(){

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

  625. }

  626. 

  627. set_sanitized(){

  628.     var=$1

  629.     shift

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

  631. }

  632. 

  633. get_sanitized(){

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

  635. }

  636. 

  637. pushvar(){

  638.     for pvar in $*; do

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

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

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

  642.     done

  643. }

  644. 

  645. popvar(){

  646.     for pvar in $*; do

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

  648.         test $level = 0 && continue

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

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

  651.         eval ${pvar}_level=$level

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

  653.     done

  654. }

  655. 

  656. request(){

  657.     for var in $*; do

  658.         eval ${var}_requested=yes

  659.         eval $var=

  660.     done

  661. }

  662. 

  663. warn_if_gets_disabled(){

  664.     for var in $*; do

  665.         WARN_IF_GETS_DISABLED_LIST="$WARN_IF_GETS_DISABLED_LIST $var"

  666.     done

  667. }

  668. 

  669. enable(){

  670.     set_all yes $*

  671. }

  672. 

  673. disable(){

  674.     set_all no $*

  675. }

  676. 

  677. disable_with_reason(){

  678.     disable $1

  679.     eval "${1}_disable_reason=\"$2\""

  680.     if requested $1; then

  681.         die "ERROR: $1 requested, but $2"

  682.     fi

  683. }

  684. 

  685. enable_weak(){

  686.     set_weak yes $*

  687. }

  688. 

  689. disable_weak(){

  690.     set_weak no $*

  691. }

  692. 

  693. enable_sanitized(){

  694.     for var; do

  695.         enable $(sanitize_var_name $var)

  696.     done

  697. }

  698. 

  699. disable_sanitized(){

  700.     for var; do

  701.         disable $(sanitize_var_name $var)

  702.     done

  703. }

  704. 

  705. do_enable_deep(){

  706.     for var; do

  707.         enabled $var && continue

  708.         set -- $var

  709.         eval enable_deep \$${var}_select

  710.         var=$1

  711.         eval enable_deep_weak \$${var}_suggest

  712.     done

  713. }

  714. 

  715. enable_deep(){

  716.     do_enable_deep $*

  717.     enable $*

  718. }

  719. 

  720. enable_deep_weak(){

  721.     for var; do

  722.         disabled $var && continue

  723.         set -- $var

  724.         do_enable_deep $var

  725.         var=$1

  726.         enable_weak $var

  727.     done

  728. }

  729. 

  730. requested(){

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

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

  733. }

  734. 

  735. enabled(){

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

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

  738. }

  739. 

  740. disabled(){

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

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

  743. }

  744. 

  745. enabled_all(){

  746.     for opt; do

  747.         enabled $opt || return 1

  748.     done

  749. }

  750. 

  751. disabled_all(){

  752.     for opt; do

  753.         disabled $opt || return 1

  754.     done

  755. }

  756. 

  757. enabled_any(){

  758.     for opt; do

  759.         enabled $opt && return 0

  760.     done

  761. }

  762. 

  763. disabled_any(){

  764.     for opt; do

  765.         disabled $opt && return 0

  766.     done

  767.     return 1

  768. }

  769. 

  770. set_default(){

  771.     for opt; do

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

  773.     done

  774. }

  775. 

  776. is_in(){

  777.     value=$1

  778.     shift

  779.     for var in $*; do

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

  781.     done

  782.     return 1

  783. }

  784. 

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

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

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

  788. check_deps(){

  789.     for cfg; do

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

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

  792. 

  793.         eval "

  794.         dep_all=\$${cfg}_deps

  795.         dep_any=\$${cfg}_deps_any

  796.         dep_con=\$${cfg}_conflict

  797.         dep_sel=\$${cfg}_select

  798.         dep_sgs=\$${cfg}_suggest

  799.         dep_ifa=\$${cfg}_if

  800.         dep_ifn=\$${cfg}_if_any

  801.         "

  802. 

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

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

  805.             eval ${cfg}_checking=inprogress

  806. 

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

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

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

  810. 

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

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

  813.             enabled_all  $dep_all || { disable_with_reason $cfg "not all dependencies are satisfied: $dep_all"; }

  814.             enabled_any  $dep_any || { disable_with_reason $cfg "not any dependency is satisfied: $dep_any"; }

  815.             disabled_all $dep_con || { disable_with_reason $cfg "some conflicting dependencies are unsatisfied: $dep_con"; }

  816.             disabled_any $dep_sel && { disable_with_reason $cfg "some selected dependency is unsatisfied: $dep_sel"; }

  817. 

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

  819. 

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

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

  822.                 is_in $dep $LIBRARY_LIST && continue

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

  824.             done

  825.         fi

  826. 

  827.         eval ${cfg}_checking=done

  828.     done

  829. }

  830. 

  831. print_config(){

  832.     pfx=$1

  833.     files=$2

  834.     shift 2

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

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

  837.         {

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

  839.             v = \$2;

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

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

  842.             for (f in files) {

  843.                 file = files[f];

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

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

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

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

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

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

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

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

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

  853.                     yesno = \$2;

  854.                     c2 = tolower(c);

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

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

  857.                 }

  858.             }

  859.         }"

  860. }

  861. 

  862. print_enabled(){

  863.     suf=$1

  864.     shift

  865.     for v; do

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

  867.     done

  868. }

  869. 

  870. append(){

  871.     var=$1

  872.     shift

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

  874. }

  875. 

  876. prepend(){

  877.     var=$1

  878.     shift

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

  880. }

  881. 

  882. reverse () {

  883.     eval '

  884.         reverse_out=

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

  886.             reverse_out="$v $reverse_out"

  887.         done

  888.         '$1'=$reverse_out

  889.     '

  890. }

  891. 

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

  893. unique(){

  894.     unique_out=

  895.     eval unique_in=\$$1

  896.     reverse unique_in

  897.     for v in $unique_in; do

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

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

  900.         unique_out="$unique_out$v "

  901.     done

  902.     reverse unique_out

  903.     eval $1=\$unique_out

  904. }

  905. 

  906. resolve(){

  907.     resolve_out=

  908.     eval resolve_in=\$$1

  909.     for v in $resolve_in; do

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

  911.     done

  912.     eval $1=\$resolve_out

  913. }

  914. 

  915. add_cppflags(){

  916.     append CPPFLAGS "$@"

  917. }

  918. 

  919. add_cflags(){

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

  921. }

  922. 

  923. add_cflags_headers(){

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

  925. }

  926. 

  927. add_cxxflags(){

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

  929. }

  930. 

  931. add_objcflags(){

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

  933. }

  934. 

  935. add_asflags(){

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

  937. }

  938. 

  939. add_ldflags(){

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

  941. }

  942. 

  943. add_ldexeflags(){

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

  945. }

  946. 

  947. add_ldsoflags(){

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

  949. }

  950. 

  951. add_extralibs(){

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

  953. }

  954. 

  955. add_stripflags(){

  956.     append ASMSTRIPFLAGS "$@"

  957. }

  958. 

  959. add_host_cppflags(){

  960.     append host_cppflags "$@"

  961. }

  962. 

  963. add_host_cflags(){

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

  965. }

  966. 

  967. add_host_ldflags(){

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

  969. }

  970. 

  971. add_compat(){

  972.     append compat_objs $1

  973.     shift

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

  975. }

  976. 

  977. test_cmd(){

  978.     log "$@"

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

  980. }

  981. 

  982. test_stat(){

  983.     log test_stat "$@"

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

  985. }

  986. 

  987. cc_e(){

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

  989. }

  990. 

  991. cc_o(){

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

  993. }

  994. 

  995. as_o(){

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

  997. }

  998. 

  999. x86asm_o(){

  1000.     eval printf '%s\\n' $X86ASM_O

  1001. }

  1002. 

  1003. ld_o(){

  1004.     eval printf '%s\\n' $LD_O

  1005. }

  1006. 

  1007. hostcc_e(){

  1008.     eval printf '%s\\n' $HOSTCC_E

  1009. }

  1010. 

  1011. hostcc_o(){

  1012.     eval printf '%s\\n' $HOSTCC_O

  1013. }

  1014. 

  1015. nvcc_o(){

  1016.     eval printf '%s\\n' $NVCC_O

  1017. }

  1018. 

  1019. test_cc(){

  1020.     log test_cc "$@"

  1021.     cat > $TMPC

  1022.     log_file $TMPC

  1023.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC

  1024. }

  1025. 

  1026. test_cxx(){

  1027.     log test_cxx "$@"

  1028.     cat > $TMPCPP

  1029.     log_file $TMPCPP

  1030.     test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP

  1031. }

  1032. 

  1033. test_objcc(){

  1034.     log test_objcc "$@"

  1035.     cat > $TMPM

  1036.     log_file $TMPM

  1037.     test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM

  1038. }

  1039. 

  1040. test_nvcc(){

  1041.     log test_nvcc "$@"

  1042.     cat > $TMPCU

  1043.     log_file $TMPCU

  1044.     tmpcu_=$TMPCU

  1045.     tmpo_=$TMPO

  1046.     [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_)

  1047.     test_cmd $nvcc $nvccflags "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_

  1048. }

  1049. 

  1050. check_nvcc() {

  1051.     log check_nvcc "$@"

  1052.     name=$1

  1053.     shift 1

  1054.     disabled $name && return

  1055.     disable $name

  1056.     test_nvcc "$@" <<EOF && enable $name

  1057. extern "C" {

  1058.     __global__ void hello(unsigned char *data) {}

  1059. }

  1060. EOF

  1061. }

  1062. 

  1063. test_cpp(){

  1064.     log test_cpp "$@"

  1065.     cat > $TMPC

  1066.     log_file $TMPC

  1067.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC

  1068. }

  1069. 

  1070. test_as(){

  1071.     log test_as "$@"

  1072.     cat > $TMPS

  1073.     log_file $TMPS

  1074.     test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS

  1075. }

  1076. 

  1077. test_x86asm(){

  1078.     log test_x86asm "$@"

  1079.     echo "$1" > $TMPASM

  1080.     log_file $TMPASM

  1081.     shift

  1082.     test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM

  1083. }

  1084. 

  1085. check_cmd(){

  1086.     log check_cmd "$@"

  1087.     cmd=$1

  1088.     disabled $cmd && return

  1089.     disable $cmd

  1090.     test_cmd $@ && enable $cmd

  1091. }

  1092. 

  1093. check_as(){

  1094.     log check_as "$@"

  1095.     name=$1

  1096.     code=$2

  1097.     shift 2

  1098.     disable $name

  1099.     test_as $@ <<EOF && enable $name

  1100. $code

  1101. EOF

  1102. }

  1103. 

  1104. check_inline_asm(){

  1105.     log check_inline_asm "$@"

  1106.     name="$1"

  1107.     code="$2"

  1108.     shift 2

  1109.     disable $name

  1110.     test_cc "$@" <<EOF && enable $name

  1111. void foo(void){ __asm__ volatile($code); }

  1112. EOF

  1113. }

  1114. 

  1115. check_inline_asm_flags(){

  1116.     log check_inline_asm_flags "$@"

  1117.     name="$1"

  1118.     code="$2"

  1119.     flags=''

  1120.     shift 2

  1121.     while [ "$1" != "" ]; do

  1122.       append flags $1

  1123.       shift

  1124.     done;

  1125.     disable $name

  1126.     cat > $TMPC <<EOF

  1127. void foo(void){ __asm__ volatile($code); }

  1128. EOF

  1129.     log_file $TMPC

  1130.     test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&

  1131.     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags

  1132. }

  1133. 

  1134. check_insn(){

  1135.     log check_insn "$@"

  1136.     check_inline_asm ${1}_inline "\"$2\""

  1137.     check_as ${1}_external "$2"

  1138. }

  1139. 

  1140. check_x86asm(){

  1141.     log check_x86asm "$@"

  1142.     name=$1

  1143.     shift

  1144.     disable $name

  1145.     test_x86asm "$@" && enable $name

  1146. }

  1147. 

  1148. test_ld(){

  1149.     log test_ld "$@"

  1150.     type=$1

  1151.     shift 1

  1152.     flags=$(filter_out '-l*|*.so' $@)

  1153.     libs=$(filter '-l*|*.so' $@)

  1154.     test_$type $($cflags_filter $flags) || return

  1155.     flags=$($ldflags_filter $flags)

  1156.     libs=$($ldflags_filter $libs)

  1157.     test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  1158. }

  1159. 

  1160. check_ld(){

  1161.     log check_ld "$@"

  1162.     type=$1

  1163.     name=$2

  1164.     shift 2

  1165.     disable $name

  1166.     test_ld $type $@ && enable $name

  1167. }

  1168. 

  1169. print_include(){

  1170.     hdr=$1

  1171.     test "${hdr%.h}" = "${hdr}" &&

  1172.         echo "#include $hdr"    ||

  1173.         echo "#include <$hdr>"

  1174. }

  1175. 

  1176. test_code(){

  1177.     log test_code "$@"

  1178.     check=$1

  1179.     headers=$2

  1180.     code=$3

  1181.     shift 3

  1182.     {

  1183.         for hdr in $headers; do

  1184.             print_include $hdr

  1185.         done

  1186.         echo "int main(void) { $code; return 0; }"

  1187.     } | test_$check "$@"

  1188. }

  1189. 

  1190. check_cppflags(){

  1191.     log check_cppflags "$@"

  1192.     test_cpp "$@" <<EOF && append CPPFLAGS "$@"

  1193. #include <stdlib.h>

  1194. EOF

  1195. }

  1196. 

  1197. test_cflags(){

  1198.     log test_cflags "$@"

  1199.     set -- $($cflags_filter "$@")

  1200.     test_cc "$@" <<EOF

  1201. int x;

  1202. EOF

  1203. }

  1204. 

  1205. check_cflags(){

  1206.     log check_cflags "$@"

  1207.     test_cflags "$@" && add_cflags "$@"

  1208. }

  1209. 

  1210. check_cxxflags(){

  1211.     log check_cxxflags "$@"

  1212.     set -- $($cflags_filter "$@")

  1213.     test_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1214. int x;

  1215. EOF

  1216. }

  1217. 

  1218. test_objcflags(){

  1219.     log test_objcflags "$@"

  1220.     set -- $($objcflags_filter "$@")

  1221.     test_objcc "$@" <<EOF

  1222. int x;

  1223. EOF

  1224. }

  1225. 

  1226. check_objcflags(){

  1227.     log check_objcflags "$@"

  1228.     test_objcflags "$@" && add_objcflags "$@"

  1229. }

  1230. 

  1231. test_ldflags(){

  1232.     log test_ldflags "$@"

  1233.     set -- $($ldflags_filter "$@")

  1234.     test_ld "cc" "$@" <<EOF

  1235. int main(void){ return 0; }

  1236. EOF

  1237. }

  1238. 

  1239. check_ldflags(){

  1240.     log check_ldflags "$@"

  1241.     test_ldflags "$@" && add_ldflags "$@"

  1242. }

  1243. 

  1244. test_stripflags(){

  1245.     log test_stripflags "$@"

  1246.     # call test_cc to get a fresh TMPO

  1247.     test_cc <<EOF

  1248. int main(void) { return 0; }

  1249. EOF

  1250.     test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1251. }

  1252. 

  1253. check_stripflags(){

  1254.     log check_stripflags "$@"

  1255.     test_stripflags "$@" && add_stripflags "$@"

  1256. }

  1257. 

  1258. check_headers(){

  1259.     log check_headers "$@"

  1260.     headers=$1

  1261.     shift

  1262.     disable_sanitized $headers

  1263.     {

  1264.         for hdr in $headers; do

  1265.             print_include $hdr

  1266.         done

  1267.         echo "int x;"

  1268.     } | test_cpp "$@" && enable_sanitized $headers

  1269. }

  1270. 

  1271. check_header_objcc(){

  1272.     log check_header_objcc "$@"

  1273.     rm -f -- "$TMPO"

  1274.     header=$1

  1275.     shift

  1276.     disable_sanitized $header

  1277.     {

  1278.        echo "#include <$header>"

  1279.        echo "int main(void) { return 0; }"

  1280.     } | test_objcc && test_stat "$TMPO" && enable_sanitized $header

  1281. }

  1282. 

  1283. check_apple_framework(){

  1284.     log check_apple_framework "$@"

  1285.     framework="$1"

  1286.     name="$(tolower $framework)"

  1287.     header="${framework}/${framework}.h"

  1288.     disable $name

  1289.     check_header_objcc $header &&

  1290.         enable $name && eval ${name}_extralibs='"-framework $framework"'

  1291. }

  1292. 

  1293. check_func(){

  1294.     log check_func "$@"

  1295.     func=$1

  1296.     shift

  1297.     disable $func

  1298.     test_ld "cc" "$@" <<EOF && enable $func

  1299. extern int $func();

  1300. int main(void){ $func(); }

  1301. EOF

  1302. }

  1303. 

  1304. check_complexfunc(){

  1305.     log check_complexfunc "$@"

  1306.     func=$1

  1307.     narg=$2

  1308.     shift 2

  1309.     test $narg = 2 && args="f, g" || args="f * I"

  1310.     disable $func

  1311.     test_ld "cc" "$@" <<EOF && enable $func

  1312. #include <complex.h>

  1313. #include <math.h>

  1314. float foo(complex float f, complex float g) { return $func($args); }

  1315. int main(void){ return (int) foo; }

  1316. EOF

  1317. }

  1318. 

  1319. check_mathfunc(){

  1320.     log check_mathfunc "$@"

  1321.     func=$1

  1322.     narg=$2

  1323.     shift 2

  1324.     test $narg = 2 && args="f, g" || args="f"

  1325.     disable $func

  1326.     test_ld "cc" "$@" <<EOF && enable $func

  1327. #include <math.h>

  1328. float foo(float f, float g) { return $func($args); }

  1329. int main(void){ return (int) foo; }

  1330. EOF

  1331. }

  1332. 

  1333. check_func_headers(){

  1334.     log check_func_headers "$@"

  1335.     headers=$1

  1336.     funcs=$2

  1337.     shift 2

  1338.     {

  1339.         for hdr in $headers; do

  1340.             print_include $hdr

  1341.         done

  1342.         echo "#include <stdint.h>"

  1343.         for func in $funcs; do

  1344.             echo "long check_$func(void) { return (long) $func; }"

  1345.         done

  1346.         echo "int main(void) { int ret = 0;"

  1347.         # LTO could optimize out the test functions without this

  1348.         for func in $funcs; do

  1349.             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"

  1350.         done

  1351.         echo "return ret; }"

  1352.     } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers

  1353. }

  1354. 

  1355. check_class_headers_cpp(){

  1356.     log check_class_headers_cpp "$@"

  1357.     headers=$1

  1358.     classes=$2

  1359.     shift 2

  1360.     {

  1361.         for hdr in $headers; do

  1362.             echo "#include <$hdr>"

  1363.         done

  1364.         echo "int main(void) { "

  1365.         i=1

  1366.         for class in $classes; do

  1367.             echo "$class obj$i;"

  1368.             i=$(expr $i + 1)

  1369.         done

  1370.         echo "return 0; }"

  1371.     } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers

  1372. }

  1373. 

  1374. test_cpp_condition(){

  1375.     log test_cpp_condition "$@"

  1376.     header=$1

  1377.     condition=$2

  1378.     shift 2

  1379.     test_cpp "$@" <<EOF

  1380. #include <$header>

  1381. #if !($condition)

  1382. #error "unsatisfied condition: $condition"

  1383. #endif

  1384. EOF

  1385. }

  1386. 

  1387. check_cpp_condition(){

  1388.     log check_cpp_condition "$@"

  1389.     name=$1

  1390.     shift 1

  1391.     disable $name

  1392.     test_cpp_condition "$@" && enable $name

  1393. }

  1394. 

  1395. test_cflags_cc(){

  1396.     log test_cflags_cc "$@"

  1397.     flags=$1

  1398.     header=$2

  1399.     condition=$3

  1400.     shift 3

  1401.     set -- $($cflags_filter "$flags")

  1402.     test_cc "$@" <<EOF

  1403. #include <$header>

  1404. #if !($condition)

  1405. #error "unsatisfied condition: $condition"

  1406. #endif

  1407. EOF

  1408. }

  1409. 

  1410. check_lib(){

  1411.     log check_lib "$@"

  1412.     name="$1"

  1413.     headers="$2"

  1414.     funcs="$3"

  1415.     shift 3

  1416.     disable $name

  1417.     check_func_headers "$headers" "$funcs" "$@" &&

  1418.         enable $name && eval ${name}_extralibs="\$@"

  1419. }

  1420. 

  1421. check_lib_cpp(){

  1422.     log check_lib_cpp "$@"

  1423.     name="$1"

  1424.     headers="$2"

  1425.     classes="$3"

  1426.     shift 3

  1427.     disable $name

  1428.     check_class_headers_cpp "$headers" "$classes" "$@" &&

  1429.         enable $name && eval ${name}_extralibs="\$@"

  1430. }

  1431. 

  1432. test_pkg_config(){

  1433.     log test_pkg_config "$@"

  1434.     name="$1"

  1435.     pkg_version="$2"

  1436.     pkg="${2%% *}"

  1437.     headers="$3"

  1438.     funcs="$4"

  1439.     shift 4

  1440.     disable $name

  1441.     test_cmd $pkg_config --exists --print-errors $pkg_version || return

  1442.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1443.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1444.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1445.         enable $name &&

  1446.         set_sanitized "${name}_cflags"    $pkg_cflags &&

  1447.         set_sanitized "${name}_extralibs" $pkg_libs

  1448. }

  1449. 

  1450. check_pkg_config(){

  1451.     log check_pkg_config "$@"

  1452.     name="$1"

  1453.     test_pkg_config "$@" &&

  1454.         eval add_cflags \$${name}_cflags

  1455. }

  1456. 

  1457. test_exec(){

  1458.     test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1459. }

  1460. 

  1461. check_exec_crash(){

  1462.     log check_exec_crash "$@"

  1463.     code=$(cat)

  1464. 

  1465.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1466.     # are safe but may not be available everywhere.  Thus we use

  1467.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1468.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1469.     # is not defined by standard C so it is used conditionally.

  1470. 

  1471.     (test_exec "$@") >> $logfile 2>&1 <<EOF

  1472. #include <signal.h>

  1473. static void sighandler(int sig){

  1474.     raise(SIGTERM);

  1475. }

  1476. int foo(void){

  1477.     $code

  1478. }

  1479. int (*func_ptr)(void) = foo;

  1480. int main(void){

  1481.     signal(SIGILL, sighandler);

  1482.     signal(SIGFPE, sighandler);

  1483.     signal(SIGSEGV, sighandler);

  1484. #ifdef SIGBUS

  1485.     signal(SIGBUS, sighandler);

  1486. #endif

  1487.     return func_ptr();

  1488. }

  1489. EOF

  1490. }

  1491. 

  1492. check_type(){

  1493.     log check_type "$@"

  1494.     headers=$1

  1495.     type=$2

  1496.     shift 2

  1497.     disable_sanitized "$type"

  1498.     test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"

  1499. }

  1500. 

  1501. check_struct(){

  1502.     log check_struct "$@"

  1503.     headers=$1

  1504.     struct=$2

  1505.     member=$3

  1506.     shift 3

  1507.     disable_sanitized "${struct}_${member}"

  1508.     test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1509.         enable_sanitized "${struct}_${member}"

  1510. }

  1511. 

  1512. check_builtin(){

  1513.     log check_builtin "$@"

  1514.     name=$1

  1515.     headers=$2

  1516.     builtin=$3

  1517.     shift 3

  1518.     disable "$name"

  1519.     test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1520. }

  1521. 

  1522. check_compile_assert(){

  1523.     log check_compile_assert "$@"

  1524.     name=$1

  1525.     headers=$2

  1526.     condition=$3

  1527.     shift 3

  1528.     disable "$name"

  1529.     test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1530. }

  1531. 

  1532. check_cc(){

  1533.     log check_cc "$@"

  1534.     name=$1

  1535.     shift

  1536.     disable "$name"

  1537.     test_code cc "$@" && enable "$name"

  1538. }

  1539. 

  1540. require(){

  1541.     log require "$@"

  1542.     name_version="$1"

  1543.     name="${1%% *}"

  1544.     shift

  1545.     check_lib $name "$@" || die "ERROR: $name_version not found"

  1546. }

  1547. 

  1548. require_cc(){

  1549.     log require_cc "$@"

  1550.     name="$1"

  1551.     check_cc "$@" || die "ERROR: $name failed"

  1552. }

  1553. 

  1554. require_cpp(){

  1555.     log require_cpp "$@"

  1556.     name_version="$1"

  1557.     name="${1%% *}"

  1558.     shift

  1559.     check_lib_cpp "$name" "$@" || die "ERROR: $name_version not found"

  1560. }

  1561. 

  1562. require_headers(){

  1563.     log require_headers "$@"

  1564.     headers="$1"

  1565.     check_headers "$@" || die "ERROR: $headers not found"

  1566. }

  1567. 

  1568. require_cpp_condition(){

  1569.     log require_cpp_condition "$@"

  1570.     condition="$3"

  1571.     check_cpp_condition "$@" || die "ERROR: $condition not satisfied"

  1572. }

  1573. 

  1574. require_pkg_config(){

  1575.     log require_pkg_config "$@"

  1576.     pkg_version="$2"

  1577.     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"

  1578. }

  1579. 

  1580. test_host_cc(){

  1581.     log test_host_cc "$@"

  1582.     cat > $TMPC

  1583.     log_file $TMPC

  1584.     test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1585. }

  1586. 

  1587. test_host_cpp(){

  1588.     log test_host_cpp "$@"

  1589.     cat > $TMPC

  1590.     log_file $TMPC

  1591.     test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1592. }

  1593. 

  1594. check_host_cppflags(){

  1595.     log check_host_cppflags "$@"

  1596.     test_host_cpp "$@" <<EOF && append host_cppflags "$@"

  1597. #include <stdlib.h>

  1598. EOF

  1599. }

  1600. 

  1601. check_host_cflags(){

  1602.     log check_host_cflags "$@"

  1603.     set -- $($host_cflags_filter "$@")

  1604.     test_host_cc "$@" <<EOF && append host_cflags "$@"

  1605. int x;

  1606. EOF

  1607. }

  1608. 

  1609. test_host_cpp_condition(){

  1610.     log test_host_cpp_condition "$@"

  1611.     header=$1

  1612.     condition=$2

  1613.     shift 2

  1614.     test_host_cpp "$@" <<EOF

  1615. #include <$header>

  1616. #if !($condition)

  1617. #error "unsatisfied condition: $condition"

  1618. #endif

  1619. EOF

  1620. }

  1621. 

  1622. check_host_cpp_condition(){

  1623.     log check_host_cpp_condition "$@"

  1624.     name=$1

  1625.     shift 1

  1626.     disable $name

  1627.     test_host_cpp_condition "$@" && enable $name

  1628. }

  1629. 

  1630. cp_if_changed(){

  1631.     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return

  1632.     mkdir -p "$(dirname $2)"

  1633.     cp -f "$1" "$2"

  1634. }

  1635. 

  1636. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1637. # system-dependent things.

  1638. 

  1639. AVCODEC_COMPONENTS="

  1640.     bsfs

  1641.     decoders

  1642.     encoders

  1643.     hwaccels

  1644.     parsers

  1645. "

  1646. 

  1647. AVDEVICE_COMPONENTS="

  1648.     indevs

  1649.     outdevs

  1650. "

  1651. 

  1652. AVFILTER_COMPONENTS="

  1653.     filters

  1654. "

  1655. 

  1656. AVFORMAT_COMPONENTS="

  1657.     demuxers

  1658.     muxers

  1659.     protocols

  1660. "

  1661. 

  1662. COMPONENT_LIST="

  1663.     $AVCODEC_COMPONENTS

  1664.     $AVDEVICE_COMPONENTS

  1665.     $AVFILTER_COMPONENTS

  1666.     $AVFORMAT_COMPONENTS

  1667. "

  1668. 

  1669. EXAMPLE_LIST="

  1670.     avio_list_dir_example

  1671.     avio_reading_example

  1672.     decode_audio_example

  1673.     decode_video_example

  1674.     demuxing_decoding_example

  1675.     encode_audio_example

  1676.     encode_video_example

  1677.     extract_mvs_example

  1678.     filter_audio_example

  1679.     filtering_audio_example

  1680.     filtering_video_example

  1681.     http_multiclient_example

  1682.     hw_decode_example

  1683.     metadata_example

  1684.     muxing_example

  1685.     qsvdec_example

  1686.     remuxing_example

  1687.     resampling_audio_example

  1688.     scaling_video_example

  1689.     transcode_aac_example

  1690.     transcoding_example

  1691.     vaapi_encode_example

  1692.     vaapi_transcode_example

  1693. "

  1694. 

  1695. EXTERNAL_AUTODETECT_LIBRARY_LIST="

  1696.     alsa

  1697.     appkit

  1698.     avfoundation

  1699.     bzlib

  1700.     coreimage

  1701.     iconv

  1702.     libxcb

  1703.     libxcb_shm

  1704.     libxcb_shape

  1705.     libxcb_xfixes

  1706.     lzma

  1707.     schannel

  1708.     sdl2

  1709.     securetransport

  1710.     sndio

  1711.     xlib

  1712.     zlib

  1713. "

  1714. 

  1715. EXTERNAL_LIBRARY_GPL_LIST="

  1716.     avisynth

  1717.     frei0r

  1718.     libcdio

  1719.     libdavs2

  1720.     librubberband

  1721.     libvidstab

  1722.     libx264

  1723.     libx265

  1724.     libxavs

  1725.     libxavs2

  1726.     libxvid

  1727. "

  1728. 

  1729. EXTERNAL_LIBRARY_NONFREE_LIST="

  1730.     decklink

  1731.     libfdk_aac

  1732.     openssl

  1733.     libtls

  1734. "

  1735. 

  1736. EXTERNAL_LIBRARY_VERSION3_LIST="

  1737.     gmp

  1738.     libaribb24

  1739.     liblensfun

  1740.     libopencore_amrnb

  1741.     libopencore_amrwb

  1742.     libvmaf

  1743.     libvo_amrwbenc

  1744.     mbedtls

  1745.     rkmpp

  1746. "

  1747. 

  1748. EXTERNAL_LIBRARY_GPLV3_LIST="

  1749.     libsmbclient

  1750. "

  1751. 

  1752. EXTERNAL_LIBRARY_LIST="

  1753.     $EXTERNAL_LIBRARY_GPL_LIST

  1754.     $EXTERNAL_LIBRARY_NONFREE_LIST

  1755.     $EXTERNAL_LIBRARY_VERSION3_LIST

  1756.     $EXTERNAL_LIBRARY_GPLV3_LIST

  1757.     chromaprint

  1758.     gcrypt

  1759.     gnutls

  1760.     jni

  1761.     ladspa

  1762.     libaom

  1763.     libass

  1764.     libbluray

  1765.     libbs2b

  1766.     libcaca

  1767.     libcelt

  1768.     libcodec2

  1769.     libdav1d

  1770.     libdc1394

  1771.     libdrm

  1772.     libflite

  1773.     libfontconfig

  1774.     libfreetype

  1775.     libfribidi

  1776.     libglslang

  1777.     libgme

  1778.     libgsm

  1779.     libiec61883

  1780.     libilbc

  1781.     libjack

  1782.     libklvanc

  1783.     libkvazaar

  1784.     libmodplug

  1785.     libmp3lame

  1786.     libmysofa

  1787.     libopencv

  1788.     libopenh264

  1789.     libopenjpeg

  1790.     libopenmpt

  1791.     libopus

  1792.     libpulse

  1793.     librabbitmq

  1794.     librav1e

  1795.     librsvg

  1796.     librtmp

  1797.     libshine

  1798.     libsmbclient

  1799.     libsnappy

  1800.     libsoxr

  1801.     libspeex

  1802.     libsrt

  1803.     libssh

  1804.     libtensorflow

  1805.     libtesseract

  1806.     libtheora

  1807.     libtwolame

  1808.     libv4l2

  1809.     libvorbis

  1810.     libvpx

  1811.     libwavpack

  1812.     libwebp

  1813.     libxml2

  1814.     libzimg

  1815.     libzmq

  1816.     libzvbi

  1817.     lv2

  1818.     mediacodec

  1819.     openal

  1820.     opengl

  1821.     pocketsphinx

  1822.     vapoursynth

  1823. "

  1824. 

  1825. HWACCEL_AUTODETECT_LIBRARY_LIST="

  1826.     amf

  1827.     audiotoolbox

  1828.     crystalhd

  1829.     cuda

  1830.     cuda_llvm

  1831.     cuvid

  1832.     d3d11va

  1833.     dxva2

  1834.     ffnvcodec

  1835.     nvdec

  1836.     nvenc

  1837.     vaapi

  1838.     vdpau

  1839.     videotoolbox

  1840.     v4l2_m2m

  1841.     xvmc

  1842. "

  1843. 

  1844. # catchall list of things that require external libs to link

  1845. EXTRALIBS_LIST="

  1846.     cpu_init

  1847.     cws2fws

  1848. "

  1849. 

  1850. HWACCEL_LIBRARY_NONFREE_LIST="

  1851.     cuda_nvcc

  1852.     cuda_sdk

  1853.     libnpp

  1854. "

  1855. 

  1856. HWACCEL_LIBRARY_LIST="

  1857.     $HWACCEL_LIBRARY_NONFREE_LIST

  1858.     libmfx

  1859.     mmal

  1860.     omx

  1861.     opencl

  1862.     vulkan

  1863. "

  1864. 

  1865. DOCUMENT_LIST="

  1866.     doc

  1867.     htmlpages

  1868.     manpages

  1869.     podpages

  1870.     txtpages

  1871. "

  1872. 

  1873. FEATURE_LIST="

  1874.     ftrapv

  1875.     gray

  1876.     hardcoded_tables

  1877.     omx_rpi

  1878.     runtime_cpudetect

  1879.     safe_bitstream_reader

  1880.     shared

  1881.     small

  1882.     static

  1883.     swscale_alpha

  1884. "

  1885. 

  1886. # this list should be kept in linking order

  1887. LIBRARY_LIST="

  1888.     avdevice

  1889.     avfilter

  1890.     swscale

  1891.     postproc

  1892.     avformat

  1893.     avcodec

  1894.     swresample

  1895.     avresample

  1896.     avutil

  1897. "

  1898. 

  1899. LICENSE_LIST="

  1900.     gpl

  1901.     nonfree

  1902.     version3

  1903. "

  1904. 

  1905. PROGRAM_LIST="

  1906.     ffplay

  1907.     ffprobe

  1908.     ffmpeg

  1909. "

  1910. 

  1911. SUBSYSTEM_LIST="

  1912.     dct

  1913.     dwt

  1914.     error_resilience

  1915.     faan

  1916.     fast_unaligned

  1917.     fft

  1918.     lsp

  1919.     lzo

  1920.     mdct

  1921.     pixelutils

  1922.     network

  1923.     rdft

  1924. "

  1925. 

  1926. # COMPONENT_LIST needs to come last to ensure correct dependency checking

  1927. CONFIG_LIST="

  1928.     $DOCUMENT_LIST

  1929.     $EXAMPLE_LIST

  1930.     $EXTERNAL_LIBRARY_LIST

  1931.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1932.     $HWACCEL_LIBRARY_LIST

  1933.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1934.     $FEATURE_LIST

  1935.     $LICENSE_LIST

  1936.     $LIBRARY_LIST

  1937.     $PROGRAM_LIST

  1938.     $SUBSYSTEM_LIST

  1939.     autodetect

  1940.     fontconfig

  1941.     large_tests

  1942.     linux_perf

  1943.     memory_poisoning

  1944.     neon_clobber_test

  1945.     ossfuzz

  1946.     pic

  1947.     thumb

  1948.     valgrind_backtrace

  1949.     xmm_clobber_test

  1950.     $COMPONENT_LIST

  1951. "

  1952. 

  1953. THREADS_LIST="

  1954.     pthreads

  1955.     os2threads

  1956.     w32threads

  1957. "

  1958. 

  1959. ATOMICS_LIST="

  1960.     atomics_gcc

  1961.     atomics_suncc

  1962.     atomics_win32

  1963. "

  1964. 

  1965. AUTODETECT_LIBS="

  1966.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1967.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1968.     $THREADS_LIST

  1969. "

  1970. 

  1971. ARCH_LIST="

  1972.     aarch64

  1973.     alpha

  1974.     arm

  1975.     avr32

  1976.     avr32_ap

  1977.     avr32_uc

  1978.     bfin

  1979.     ia64

  1980.     m68k

  1981.     mips

  1982.     mips64

  1983.     parisc

  1984.     ppc

  1985.     ppc64

  1986.     s390

  1987.     sh4

  1988.     sparc

  1989.     sparc64

  1990.     tilegx

  1991.     tilepro

  1992.     tomi

  1993.     x86

  1994.     x86_32

  1995.     x86_64

  1996. "

  1997. 

  1998. ARCH_EXT_LIST_ARM="

  1999.     armv5te

  2000.     armv6

  2001.     armv6t2

  2002.     armv8

  2003.     neon

  2004.     vfp

  2005.     vfpv3

  2006.     setend

  2007. "

  2008. 

  2009. ARCH_EXT_LIST_MIPS="

  2010.     mipsfpu

  2011.     mips32r2

  2012.     mips32r5

  2013.     mips64r2

  2014.     mips32r6

  2015.     mips64r6

  2016.     mipsdsp

  2017.     mipsdspr2

  2018.     msa

  2019.     msa2

  2020. "

  2021. 

  2022. ARCH_EXT_LIST_LOONGSON="

  2023.     loongson2

  2024.     loongson3

  2025.     mmi

  2026. "

  2027. 

  2028. ARCH_EXT_LIST_X86_SIMD="

  2029.     aesni

  2030.     amd3dnow

  2031.     amd3dnowext

  2032.     avx

  2033.     avx2

  2034.     avx512

  2035.     fma3

  2036.     fma4

  2037.     mmx

  2038.     mmxext

  2039.     sse

  2040.     sse2

  2041.     sse3

  2042.     sse4

  2043.     sse42

  2044.     ssse3

  2045.     xop

  2046. "

  2047. 

  2048. ARCH_EXT_LIST_PPC="

  2049.     altivec

  2050.     dcbzl

  2051.     ldbrx

  2052.     power8

  2053.     ppc4xx

  2054.     vsx

  2055. "

  2056. 

  2057. ARCH_EXT_LIST_X86="

  2058.     $ARCH_EXT_LIST_X86_SIMD

  2059.     cpunop

  2060.     i686

  2061. "

  2062. 

  2063. ARCH_EXT_LIST="

  2064.     $ARCH_EXT_LIST_ARM

  2065.     $ARCH_EXT_LIST_PPC

  2066.     $ARCH_EXT_LIST_X86

  2067.     $ARCH_EXT_LIST_MIPS

  2068.     $ARCH_EXT_LIST_LOONGSON

  2069. "

  2070. 

  2071. ARCH_FEATURES="

  2072.     aligned_stack

  2073.     fast_64bit

  2074.     fast_clz

  2075.     fast_cmov

  2076.     local_aligned

  2077.     simd_align_16

  2078.     simd_align_32

  2079.     simd_align_64

  2080. "

  2081. 

  2082. BUILTIN_LIST="

  2083.     atomic_cas_ptr

  2084.     machine_rw_barrier

  2085.     MemoryBarrier

  2086.     mm_empty

  2087.     rdtsc

  2088.     sem_timedwait

  2089.     sync_val_compare_and_swap

  2090. "

  2091. HAVE_LIST_CMDLINE="

  2092.     inline_asm

  2093.     symver

  2094.     x86asm

  2095. "

  2096. 

  2097. HAVE_LIST_PUB="

  2098.     bigendian

  2099.     fast_unaligned

  2100. "

  2101. 

  2102. HEADERS_LIST="

  2103.     arpa_inet_h

  2104.     asm_types_h

  2105.     cdio_paranoia_h

  2106.     cdio_paranoia_paranoia_h

  2107.     cuda_h

  2108.     dispatch_dispatch_h

  2109.     dev_bktr_ioctl_bt848_h

  2110.     dev_bktr_ioctl_meteor_h

  2111.     dev_ic_bt8xx_h

  2112.     dev_video_bktr_ioctl_bt848_h

  2113.     dev_video_meteor_ioctl_meteor_h

  2114.     direct_h

  2115.     dirent_h

  2116.     dxgidebug_h

  2117.     dxva_h

  2118.     ES2_gl_h

  2119.     gsm_h

  2120.     io_h

  2121.     linux_perf_event_h

  2122.     machine_ioctl_bt848_h

  2123.     machine_ioctl_meteor_h

  2124.     malloc_h

  2125.     opencv2_core_core_c_h

  2126.     OpenGL_gl3_h

  2127.     poll_h

  2128.     sys_param_h

  2129.     sys_resource_h

  2130.     sys_select_h

  2131.     sys_soundcard_h

  2132.     sys_time_h

  2133.     sys_un_h

  2134.     sys_videoio_h

  2135.     termios_h

  2136.     udplite_h

  2137.     unistd_h

  2138.     valgrind_valgrind_h

  2139.     windows_h

  2140.     winsock2_h

  2141. "

  2142. 

  2143. INTRINSICS_LIST="

  2144.     intrinsics_neon

  2145. "

  2146. 

  2147. COMPLEX_FUNCS="

  2148.     cabs

  2149.     cexp

  2150. "

  2151. 

  2152. MATH_FUNCS="

  2153.     atanf

  2154.     atan2f

  2155.     cbrt

  2156.     cbrtf

  2157.     copysign

  2158.     cosf

  2159.     erf

  2160.     exp2

  2161.     exp2f

  2162.     expf

  2163.     hypot

  2164.     isfinite

  2165.     isinf

  2166.     isnan

  2167.     ldexpf

  2168.     llrint

  2169.     llrintf

  2170.     log2

  2171.     log2f

  2172.     log10f

  2173.     lrint

  2174.     lrintf

  2175.     powf

  2176.     rint

  2177.     round

  2178.     roundf

  2179.     sinf

  2180.     trunc

  2181.     truncf

  2182. "

  2183. 

  2184. SYSTEM_FEATURES="

  2185.     dos_paths

  2186.     libc_msvcrt

  2187.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2188.     section_data_rel_ro

  2189.     threads

  2190.     uwp

  2191.     winrt

  2192. "

  2193. 

  2194. SYSTEM_FUNCS="

  2195.     access

  2196.     aligned_malloc

  2197.     arc4random

  2198.     clock_gettime

  2199.     closesocket

  2200.     CommandLineToArgvW

  2201.     fcntl

  2202.     getaddrinfo

  2203.     gethrtime

  2204.     getopt

  2205.     GetModuleHandle

  2206.     GetProcessAffinityMask

  2207.     GetProcessMemoryInfo

  2208.     GetProcessTimes

  2209.     getrusage

  2210.     GetStdHandle

  2211.     GetSystemTimeAsFileTime

  2212.     gettimeofday

  2213.     glob

  2214.     glXGetProcAddress

  2215.     gmtime_r

  2216.     inet_aton

  2217.     isatty

  2218.     kbhit

  2219.     localtime_r

  2220.     lstat

  2221.     lzo1x_999_compress

  2222.     mach_absolute_time

  2223.     MapViewOfFile

  2224.     memalign

  2225.     mkstemp

  2226.     mmap

  2227.     mprotect

  2228.     nanosleep

  2229.     PeekNamedPipe

  2230.     posix_memalign

  2231.     pthread_cancel

  2232.     sched_getaffinity

  2233.     SecItemImport

  2234.     SetConsoleTextAttribute

  2235.     SetConsoleCtrlHandler

  2236.     SetDllDirectory

  2237.     setmode

  2238.     setrlimit

  2239.     Sleep

  2240.     strerror_r

  2241.     sysconf

  2242.     sysctl

  2243.     usleep

  2244.     UTGetOSTypeFromString

  2245.     VirtualAlloc

  2246.     wglGetProcAddress

  2247. "

  2248. 

  2249. SYSTEM_LIBRARIES="

  2250.     bcrypt

  2251.     vaapi_drm

  2252.     vaapi_x11

  2253.     vdpau_x11

  2254. "

  2255. 

  2256. TOOLCHAIN_FEATURES="

  2257.     as_arch_directive

  2258.     as_dn_directive

  2259.     as_fpu_directive

  2260.     as_func

  2261.     as_object_arch

  2262.     asm_mod_q

  2263.     blocks_extension

  2264.     ebp_available

  2265.     ebx_available

  2266.     gnu_as

  2267.     gnu_windres

  2268.     ibm_asm

  2269.     inline_asm_direct_symbol_refs

  2270.     inline_asm_labels

  2271.     inline_asm_nonlocal_labels

  2272.     pragma_deprecated

  2273.     rsync_contimeout

  2274.     symver_asm_label

  2275.     symver_gnu_asm

  2276.     vfp_args

  2277.     xform_asm

  2278.     xmm_clobbers

  2279. "

  2280. 

  2281. TYPES_LIST="

  2282.     kCMVideoCodecType_HEVC

  2283.     kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange

  2284.     kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ

  2285.     kCVImageBufferTransferFunction_ITU_R_2100_HLG

  2286.     kCVImageBufferTransferFunction_Linear

  2287.     socklen_t

  2288.     struct_addrinfo

  2289.     struct_group_source_req

  2290.     struct_ip_mreq_source

  2291.     struct_ipv6_mreq

  2292.     struct_msghdr_msg_flags

  2293.     struct_pollfd

  2294.     struct_rusage_ru_maxrss

  2295.     struct_sctp_event_subscribe

  2296.     struct_sockaddr_in6

  2297.     struct_sockaddr_sa_len

  2298.     struct_sockaddr_storage

  2299.     struct_stat_st_mtim_tv_nsec

  2300.     struct_v4l2_frmivalenum_discrete

  2301. "

  2302. 

  2303. HAVE_LIST="

  2304.     $ARCH_EXT_LIST

  2305.     $(add_suffix _external $ARCH_EXT_LIST)

  2306.     $(add_suffix _inline   $ARCH_EXT_LIST)

  2307.     $ARCH_FEATURES

  2308.     $BUILTIN_LIST

  2309.     $COMPLEX_FUNCS

  2310.     $HAVE_LIST_CMDLINE

  2311.     $HAVE_LIST_PUB

  2312.     $HEADERS_LIST

  2313.     $INTRINSICS_LIST

  2314.     $MATH_FUNCS

  2315.     $SYSTEM_FEATURES

  2316.     $SYSTEM_FUNCS

  2317.     $SYSTEM_LIBRARIES

  2318.     $THREADS_LIST

  2319.     $TOOLCHAIN_FEATURES

  2320.     $TYPES_LIST

  2321.     makeinfo

  2322.     makeinfo_html

  2323.     opencl_d3d11

  2324.     opencl_drm_arm

  2325.     opencl_drm_beignet

  2326.     opencl_dxva2

  2327.     opencl_vaapi_beignet

  2328.     opencl_vaapi_intel_media

  2329.     perl

  2330.     pod2man

  2331.     texi2html

  2332. "

  2333. 

  2334. # options emitted with CONFIG_ prefix but not available on the command line

  2335. CONFIG_EXTRA="

  2336.     aandcttables

  2337.     ac3dsp

  2338.     adts_header

  2339.     audio_frame_queue

  2340.     audiodsp

  2341.     blockdsp

  2342.     bswapdsp

  2343.     cabac

  2344.     cbs

  2345.     cbs_av1

  2346.     cbs_h264

  2347.     cbs_h265

  2348.     cbs_jpeg

  2349.     cbs_mpeg2

  2350.     cbs_vp9

  2351.     dirac_parse

  2352.     dnn

  2353.     dvprofile

  2354.     exif

  2355.     faandct

  2356.     faanidct

  2357.     fdctdsp

  2358.     flacdsp

  2359.     fmtconvert

  2360.     frame_thread_encoder

  2361.     g722dsp

  2362.     golomb

  2363.     gplv3

  2364.     h263dsp

  2365.     h264chroma

  2366.     h264dsp

  2367.     h264parse

  2368.     h264pred

  2369.     h264qpel

  2370.     hevcparse

  2371.     hpeldsp

  2372.     huffman

  2373.     huffyuvdsp

  2374.     huffyuvencdsp

  2375.     idctdsp

  2376.     iirfilter

  2377.     mdct15

  2378.     intrax8

  2379.     iso_media

  2380.     ividsp

  2381.     jpegtables

  2382.     lgplv3

  2383.     libx262

  2384.     llauddsp

  2385.     llviddsp

  2386.     llvidencdsp

  2387.     lpc

  2388.     lzf

  2389.     me_cmp

  2390.     mpeg_er

  2391.     mpegaudio

  2392.     mpegaudiodsp

  2393.     mpegaudioheader

  2394.     mpegvideo

  2395.     mpegvideoenc

  2396.     mss34dsp

  2397.     pixblockdsp

  2398.     qpeldsp

  2399.     qsv

  2400.     qsvdec

  2401.     qsvenc

  2402.     qsvvpp

  2403.     rangecoder

  2404.     riffdec

  2405.     riffenc

  2406.     rtpdec

  2407.     rtpenc_chain

  2408.     rv34dsp

  2409.     scene_sad

  2410.     sinewin

  2411.     snappy

  2412.     srtp

  2413.     startcode

  2414.     texturedsp

  2415.     texturedspenc

  2416.     tpeldsp

  2417.     vaapi_1

  2418.     vaapi_encode

  2419.     vc1dsp

  2420.     videodsp

  2421.     vp3dsp

  2422.     vp56dsp

  2423.     vp8dsp

  2424.     wma_freqs

  2425.     wmv2dsp

  2426. "

  2427. 

  2428. CMDLINE_SELECT="

  2429.     $ARCH_EXT_LIST

  2430.     $CONFIG_LIST

  2431.     $HAVE_LIST_CMDLINE

  2432.     $THREADS_LIST

  2433.     asm

  2434.     cross_compile

  2435.     debug

  2436.     extra_warnings

  2437.     logging

  2438.     lto

  2439.     optimizations

  2440.     rpath

  2441.     stripping

  2442. "

  2443. 

  2444. PATHS_LIST="

  2445.     bindir

  2446.     datadir

  2447.     docdir

  2448.     incdir

  2449.     libdir

  2450.     mandir

  2451.     pkgconfigdir

  2452.     prefix

  2453.     shlibdir

  2454.     install_name_dir

  2455. "

  2456. 

  2457. CMDLINE_SET="

  2458.     $PATHS_LIST

  2459.     ar

  2460.     arch

  2461.     as

  2462.     assert_level

  2463.     build_suffix

  2464.     cc

  2465.     objcc

  2466.     cpu

  2467.     cross_prefix

  2468.     custom_allocator

  2469.     cxx

  2470.     dep_cc

  2471.     doxygen

  2472.     env

  2473.     extra_version

  2474.     gas

  2475.     host_cc

  2476.     host_cflags

  2477.     host_extralibs

  2478.     host_ld

  2479.     host_ldflags

  2480.     host_os

  2481.     ignore_tests

  2482.     install

  2483.     ld

  2484.     ln_s

  2485.     logfile

  2486.     malloc_prefix

  2487.     nm

  2488.     optflags

  2489.     nvcc

  2490.     nvccflags

  2491.     pkg_config

  2492.     pkg_config_flags

  2493.     progs_suffix

  2494.     random_seed

  2495.     ranlib

  2496.     samples

  2497.     strip

  2498.     sws_max_filter_size

  2499.     sysinclude

  2500.     sysroot

  2501.     target_exec

  2502.     target_os

  2503.     target_path

  2504.     target_samples

  2505.     tempprefix

  2506.     toolchain

  2507.     valgrind

  2508.     windres

  2509.     x86asmexe

  2510. "

  2511. 

  2512. CMDLINE_APPEND="

  2513.     extra_cflags

  2514.     extra_cxxflags

  2515.     extra_objcflags

  2516.     host_cppflags

  2517. "

  2518. 

  2519. # code dependency declarations

  2520. 

  2521. # architecture extensions

  2522. 

  2523. armv5te_deps="arm"

  2524. armv6_deps="arm"

  2525. armv6t2_deps="arm"

  2526. armv8_deps="aarch64"

  2527. neon_deps_any="aarch64 arm"

  2528. intrinsics_neon_deps="neon"

  2529. vfp_deps_any="aarch64 arm"

  2530. vfpv3_deps="vfp"

  2531. setend_deps="arm"

  2532. 

  2533. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2534. 

  2535. altivec_deps="ppc"

  2536. dcbzl_deps="ppc"

  2537. ldbrx_deps="ppc"

  2538. ppc4xx_deps="ppc"

  2539. vsx_deps="altivec"

  2540. power8_deps="vsx"

  2541. 

  2542. loongson2_deps="mips"

  2543. loongson3_deps="mips"

  2544. mips32r2_deps="mips"

  2545. mips32r5_deps="mips"

  2546. mips32r6_deps="mips"

  2547. mips64r2_deps="mips"

  2548. mips64r6_deps="mips"

  2549. mipsfpu_deps="mips"

  2550. mipsdsp_deps="mips"

  2551. mipsdspr2_deps="mips"

  2552. mmi_deps="mips"

  2553. msa_deps="mipsfpu"

  2554. msa2_deps="msa"

  2555. 

  2556. cpunop_deps="i686"

  2557. x86_64_select="i686"

  2558. x86_64_suggest="fast_cmov"

  2559. 

  2560. amd3dnow_deps="mmx"

  2561. amd3dnowext_deps="amd3dnow"

  2562. i686_deps="x86"

  2563. mmx_deps="x86"

  2564. mmxext_deps="mmx"

  2565. sse_deps="mmxext"

  2566. sse2_deps="sse"

  2567. sse3_deps="sse2"

  2568. ssse3_deps="sse3"

  2569. sse4_deps="ssse3"

  2570. sse42_deps="sse4"

  2571. aesni_deps="sse42"

  2572. avx_deps="sse42"

  2573. xop_deps="avx"

  2574. fma3_deps="avx"

  2575. fma4_deps="avx"

  2576. avx2_deps="avx"

  2577. avx512_deps="avx2"

  2578. 

  2579. mmx_external_deps="x86asm"

  2580. mmx_inline_deps="inline_asm x86"

  2581. mmx_suggest="mmx_external mmx_inline"

  2582. 

  2583. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2584.     eval dep=\$${ext}_deps

  2585.     eval ${ext}_external_deps='"${dep}_external"'

  2586.     eval ${ext}_inline_deps='"${dep}_inline"'

  2587.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2588. done

  2589. 

  2590. aligned_stack_if_any="aarch64 ppc x86"

  2591. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2592. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2593. fast_unaligned_if_any="aarch64 ppc x86"

  2594. simd_align_16_if_any="altivec neon sse"

  2595. simd_align_32_if_any="avx"

  2596. simd_align_64_if_any="avx512"

  2597. 

  2598. # system capabilities

  2599. linux_perf_deps="linux_perf_event_h"

  2600. symver_if_any="symver_asm_label symver_gnu_asm"

  2601. valgrind_backtrace_conflict="optimizations"

  2602. valgrind_backtrace_deps="valgrind_valgrind_h"

  2603. 

  2604. # threading support

  2605. atomics_gcc_if="sync_val_compare_and_swap"

  2606. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2607. atomics_win32_if="MemoryBarrier"

  2608. atomics_native_if_any="$ATOMICS_LIST"

  2609. w32threads_deps="atomics_native"

  2610. threads_if_any="$THREADS_LIST"

  2611. 

  2612. # subsystems

  2613. cbs_av1_select="cbs"

  2614. cbs_h264_select="cbs"

  2615. cbs_h265_select="cbs"

  2616. cbs_jpeg_select="cbs"

  2617. cbs_mpeg2_select="cbs"

  2618. cbs_vp9_select="cbs"

  2619. dct_select="rdft"

  2620. dirac_parse_select="golomb"

  2621. dnn_suggest="libtensorflow"

  2622. error_resilience_select="me_cmp"

  2623. faandct_deps="faan"

  2624. faandct_select="fdctdsp"

  2625. faanidct_deps="faan"

  2626. faanidct_select="idctdsp"

  2627. h264dsp_select="startcode"

  2628. hevcparse_select="golomb"

  2629. frame_thread_encoder_deps="encoders threads"

  2630. intrax8_select="blockdsp idctdsp"

  2631. mdct_select="fft"

  2632. mdct15_select="fft"

  2633. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2634. mpeg_er_select="error_resilience"

  2635. mpegaudio_select="mpegaudiodsp mpegaudioheader"

  2636. mpegaudiodsp_select="dct"

  2637. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2638. mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"

  2639. vc1dsp_select="h264chroma qpeldsp startcode"

  2640. rdft_select="fft"

  2641. 

  2642. # decoders / encoders

  2643. aac_decoder_select="adts_header mdct15 mdct sinewin"

  2644. aac_fixed_decoder_select="adts_header mdct sinewin"

  2645. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2646. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2647. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2648. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2649. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2650. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2651. acelp_kelvin_decoder_select="audiodsp"

  2652. adpcm_g722_decoder_select="g722dsp"

  2653. adpcm_g722_encoder_select="g722dsp"

  2654. aic_decoder_select="golomb idctdsp"

  2655. alac_encoder_select="lpc"

  2656. als_decoder_select="bswapdsp"

  2657. amrnb_decoder_select="lsp"

  2658. amrwb_decoder_select="lsp"

  2659. amv_decoder_select="sp5x_decoder exif"

  2660. amv_encoder_select="jpegtables mpegvideoenc"

  2661. ape_decoder_select="bswapdsp llauddsp"

  2662. apng_decoder_deps="zlib"

  2663. apng_encoder_deps="zlib"

  2664. apng_encoder_select="llvidencdsp"

  2665. aptx_decoder_select="audio_frame_queue"

  2666. aptx_encoder_select="audio_frame_queue"

  2667. aptx_hd_decoder_select="audio_frame_queue"

  2668. aptx_hd_encoder_select="audio_frame_queue"

  2669. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2670. asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2671. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2672. asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2673. atrac1_decoder_select="mdct sinewin"

  2674. atrac3_decoder_select="mdct"

  2675. atrac3al_decoder_select="mdct"

  2676. atrac3p_decoder_select="mdct sinewin"

  2677. atrac3pal_decoder_select="mdct sinewin"

  2678. atrac9_decoder_select="mdct"

  2679. avrn_decoder_select="exif jpegtables"

  2680. bink_decoder_select="blockdsp hpeldsp"

  2681. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2682. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2683. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2684. clearvideo_decoder_select="idctdsp"

  2685. cllc_decoder_select="bswapdsp"

  2686. comfortnoise_encoder_select="lpc"

  2687. cook_decoder_select="audiodsp mdct sinewin"

  2688. cscd_decoder_select="lzo"

  2689. cscd_decoder_suggest="zlib"

  2690. dca_decoder_select="mdct"

  2691. dca_encoder_select="mdct"

  2692. dds_decoder_select="texturedsp"

  2693. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2694. dnxhd_decoder_select="blockdsp idctdsp"

  2695. dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2696. dolby_e_decoder_select="mdct"

  2697. dvvideo_decoder_select="dvprofile idctdsp"

  2698. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2699. dxa_decoder_deps="zlib"

  2700. dxv_decoder_select="lzf texturedsp"

  2701. eac3_decoder_select="ac3_decoder"

  2702. eac3_encoder_select="ac3_encoder"

  2703. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2704. eatgq_decoder_select="aandcttables"

  2705. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2706. exr_decoder_deps="zlib"

  2707. ffv1_decoder_select="rangecoder"

  2708. ffv1_encoder_select="rangecoder"

  2709. ffvhuff_decoder_select="huffyuv_decoder"

  2710. ffvhuff_encoder_select="huffyuv_encoder"

  2711. fic_decoder_select="golomb"

  2712. flac_decoder_select="flacdsp"

  2713. flac_encoder_select="bswapdsp flacdsp lpc"

  2714. flashsv2_decoder_deps="zlib"

  2715. flashsv2_encoder_deps="zlib"

  2716. flashsv_decoder_deps="zlib"

  2717. flashsv_encoder_deps="zlib"

  2718. flv_decoder_select="h263_decoder"

  2719. flv_encoder_select="h263_encoder"

  2720. fourxm_decoder_select="blockdsp bswapdsp"

  2721. fraps_decoder_select="bswapdsp huffman"

  2722. g2m_decoder_deps="zlib"

  2723. g2m_decoder_select="blockdsp idctdsp jpegtables"

  2724. g729_decoder_select="audiodsp"

  2725. h261_decoder_select="mpegvideo"

  2726. h261_encoder_select="mpegvideoenc"

  2727. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2728. h263_encoder_select="h263dsp mpegvideoenc"

  2729. h263i_decoder_select="h263_decoder"

  2730. h263p_decoder_select="h263_decoder"

  2731. h263p_encoder_select="h263_encoder"

  2732. h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"

  2733. h264_decoder_suggest="error_resilience"

  2734. hap_decoder_select="snappy texturedsp"

  2735. hap_encoder_deps="libsnappy"

  2736. hap_encoder_select="texturedspenc"

  2737. hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"

  2738. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2739. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"

  2740. hymt_decoder_select="huffyuv_decoder"

  2741. iac_decoder_select="imc_decoder"

  2742. imc_decoder_select="bswapdsp fft mdct sinewin"

  2743. imm4_decoder_select="bswapdsp"

  2744. imm5_decoder_select="h264_decoder hevc_decoder"

  2745. indeo3_decoder_select="hpeldsp"

  2746. indeo4_decoder_select="ividsp"

  2747. indeo5_decoder_select="ividsp"

  2748. interplay_video_decoder_select="hpeldsp"

  2749. jpegls_decoder_select="mjpeg_decoder"

  2750. jv_decoder_select="blockdsp"

  2751. lagarith_decoder_select="llviddsp"

  2752. ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"

  2753. lscr_decoder_deps="zlib"

  2754. magicyuv_decoder_select="llviddsp"

  2755. magicyuv_encoder_select="llvidencdsp"

  2756. mdec_decoder_select="blockdsp bswapdsp idctdsp mpegvideo"

  2757. metasound_decoder_select="lsp mdct sinewin"

  2758. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2759. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2760. mjpeg_encoder_select="jpegtables mpegvideoenc"

  2761. mjpegb_decoder_select="mjpeg_decoder"

  2762. mlp_decoder_select="mlp_parser"

  2763. mlp_encoder_select="lpc audio_frame_queue"

  2764. motionpixels_decoder_select="bswapdsp"

  2765. mp1_decoder_select="mpegaudio"

  2766. mp1float_decoder_select="mpegaudio"

  2767. mp2_decoder_select="mpegaudio"

  2768. mp2float_decoder_select="mpegaudio"

  2769. mp3_decoder_select="mpegaudio"

  2770. mp3adu_decoder_select="mpegaudio"

  2771. mp3adufloat_decoder_select="mpegaudio"

  2772. mp3float_decoder_select="mpegaudio"

  2773. mp3on4_decoder_select="mpegaudio"

  2774. mp3on4float_decoder_select="mpegaudio"

  2775. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2776. mpc8_decoder_select="mpegaudiodsp"

  2777. mpegvideo_decoder_select="mpegvideo"

  2778. mpeg1video_decoder_select="mpegvideo"

  2779. mpeg1video_encoder_select="mpegvideoenc h263dsp"

  2780. mpeg2video_decoder_select="mpegvideo"

  2781. mpeg2video_encoder_select="mpegvideoenc h263dsp"

  2782. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2783. mpeg4_encoder_select="h263_encoder"

  2784. msa1_decoder_select="mss34dsp"

  2785. mscc_decoder_deps="zlib"

  2786. msmpeg4v1_decoder_select="h263_decoder"

  2787. msmpeg4v2_decoder_select="h263_decoder"

  2788. msmpeg4v2_encoder_select="h263_encoder"

  2789. msmpeg4v3_decoder_select="h263_decoder"

  2790. msmpeg4v3_encoder_select="h263_encoder"

  2791. mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"

  2792. mts2_decoder_select="mss34dsp"

  2793. mv30_decoder_select="aandcttables blockdsp"

  2794. mvha_decoder_deps="zlib"

  2795. mvha_decoder_select="llviddsp"

  2796. mwsc_decoder_deps="zlib"

  2797. mxpeg_decoder_select="mjpeg_decoder"

  2798. nellymoser_decoder_select="mdct sinewin"

  2799. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2800. nuv_decoder_select="idctdsp lzo"

  2801. on2avc_decoder_select="mdct"

  2802. opus_decoder_deps="swresample"

  2803. opus_decoder_select="mdct15"

  2804. opus_encoder_select="audio_frame_queue mdct15"

  2805. png_decoder_deps="zlib"

  2806. png_encoder_deps="zlib"

  2807. png_encoder_select="llvidencdsp"

  2808. prores_decoder_select="blockdsp idctdsp"

  2809. prores_encoder_select="fdctdsp"

  2810. qcelp_decoder_select="lsp"

  2811. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2812. ra_144_decoder_select="audiodsp"

  2813. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2814. ralf_decoder_select="golomb"

  2815. rasc_decoder_deps="zlib"

  2816. rawvideo_decoder_select="bswapdsp"

  2817. rscc_decoder_deps="zlib"

  2818. rtjpeg_decoder_select="me_cmp"

  2819. rv10_decoder_select="h263_decoder"

  2820. rv10_encoder_select="h263_encoder"

  2821. rv20_decoder_select="h263_decoder"

  2822. rv20_encoder_select="h263_encoder"

  2823. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2824. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2825. screenpresso_decoder_deps="zlib"

  2826. shorten_decoder_select="bswapdsp"

  2827. sipr_decoder_select="lsp"

  2828. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2829. snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2830. sonic_decoder_select="golomb rangecoder"

  2831. sonic_encoder_select="golomb rangecoder"

  2832. sonic_ls_encoder_select="golomb rangecoder"

  2833. sp5x_decoder_select="mjpeg_decoder"

  2834. speedhq_decoder_select="mpegvideo"

  2835. srgc_decoder_deps="zlib"

  2836. svq1_decoder_select="hpeldsp"

  2837. svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"

  2838. svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"

  2839. svq3_decoder_suggest="zlib"

  2840. tak_decoder_select="audiodsp"

  2841. tdsc_decoder_deps="zlib"

  2842. tdsc_decoder_select="mjpeg_decoder"

  2843. theora_decoder_select="vp3_decoder"

  2844. thp_decoder_select="mjpeg_decoder"

  2845. tiff_decoder_select="mjpeg_decoder"

  2846. tiff_decoder_suggest="zlib lzma"

  2847. tiff_encoder_suggest="zlib"

  2848. truehd_decoder_select="mlp_parser"

  2849. truehd_encoder_select="lpc audio_frame_queue"

  2850. truemotion2_decoder_select="bswapdsp"

  2851. truespeech_decoder_select="bswapdsp"

  2852. tscc_decoder_deps="zlib"

  2853. twinvq_decoder_select="mdct lsp sinewin"

  2854. txd_decoder_select="texturedsp"

  2855. utvideo_decoder_select="bswapdsp llviddsp"

  2856. utvideo_encoder_select="bswapdsp huffman llvidencdsp"

  2857. vble_decoder_select="llviddsp"

  2858. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2859. vc1image_decoder_select="vc1_decoder"

  2860. vorbis_decoder_select="mdct"

  2861. vorbis_encoder_select="audio_frame_queue mdct"

  2862. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2863. vp4_decoder_select="vp3_decoder"

  2864. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2865. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2866. vp6a_decoder_select="vp6_decoder"

  2867. vp6f_decoder_select="vp6_decoder"

  2868. vp7_decoder_select="h264pred videodsp vp8dsp"

  2869. vp8_decoder_select="h264pred videodsp vp8dsp"

  2870. vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"

  2871. wcmv_decoder_deps="zlib"

  2872. webp_decoder_select="vp8_decoder exif"

  2873. wmalossless_decoder_select="llauddsp"

  2874. wmapro_decoder_select="mdct sinewin wma_freqs"

  2875. wmav1_decoder_select="mdct sinewin wma_freqs"

  2876. wmav1_encoder_select="mdct sinewin wma_freqs"

  2877. wmav2_decoder_select="mdct sinewin wma_freqs"

  2878. wmav2_encoder_select="mdct sinewin wma_freqs"

  2879. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2880. wmv1_decoder_select="h263_decoder"

  2881. wmv1_encoder_select="h263_encoder"

  2882. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2883. wmv2_encoder_select="h263_encoder wmv2dsp"

  2884. wmv3_decoder_select="vc1_decoder"

  2885. wmv3image_decoder_select="wmv3_decoder"

  2886. xma1_decoder_select="wmapro_decoder"

  2887. xma2_decoder_select="wmapro_decoder"

  2888. ylc_decoder_select="bswapdsp"

  2889. zerocodec_decoder_deps="zlib"

  2890. zlib_decoder_deps="zlib"

  2891. zlib_encoder_deps="zlib"

  2892. zmbv_decoder_deps="zlib"

  2893. zmbv_encoder_deps="zlib"

  2894. 

  2895. # hardware accelerators

  2896. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2897. cuda_deps="ffnvcodec"

  2898. cuvid_deps="ffnvcodec"

  2899. d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2900. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"

  2901. ffnvcodec_deps_any="libdl LoadLibrary"

  2902. nvdec_deps="ffnvcodec"

  2903. vaapi_x11_deps="xlib"

  2904. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2905. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2906. xvmc_deps="X11_extensions_XvMClib_h"

  2907. 

  2908. h263_vaapi_hwaccel_deps="vaapi"

  2909. h263_vaapi_hwaccel_select="h263_decoder"

  2910. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2911. h263_videotoolbox_hwaccel_select="h263_decoder"

  2912. h264_d3d11va_hwaccel_deps="d3d11va"

  2913. h264_d3d11va_hwaccel_select="h264_decoder"

  2914. h264_d3d11va2_hwaccel_deps="d3d11va"

  2915. h264_d3d11va2_hwaccel_select="h264_decoder"

  2916. h264_dxva2_hwaccel_deps="dxva2"

  2917. h264_dxva2_hwaccel_select="h264_decoder"

  2918. h264_nvdec_hwaccel_deps="nvdec"

  2919. h264_nvdec_hwaccel_select="h264_decoder"

  2920. h264_vaapi_hwaccel_deps="vaapi"

  2921. h264_vaapi_hwaccel_select="h264_decoder"

  2922. h264_vdpau_hwaccel_deps="vdpau"

  2923. h264_vdpau_hwaccel_select="h264_decoder"

  2924. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2925. h264_videotoolbox_hwaccel_select="h264_decoder"

  2926. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2927. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2928. hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2929. hevc_d3d11va2_hwaccel_select="hevc_decoder"

  2930. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2931. hevc_dxva2_hwaccel_select="hevc_decoder"

  2932. hevc_nvdec_hwaccel_deps="nvdec"

  2933. hevc_nvdec_hwaccel_select="hevc_decoder"

  2934. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2935. hevc_vaapi_hwaccel_select="hevc_decoder"

  2936. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2937. hevc_vdpau_hwaccel_select="hevc_decoder"

  2938. hevc_videotoolbox_hwaccel_deps="videotoolbox"

  2939. hevc_videotoolbox_hwaccel_select="hevc_decoder"

  2940. mjpeg_nvdec_hwaccel_deps="nvdec"

  2941. mjpeg_nvdec_hwaccel_select="mjpeg_decoder"

  2942. mjpeg_vaapi_hwaccel_deps="vaapi"

  2943. mjpeg_vaapi_hwaccel_select="mjpeg_decoder"

  2944. mpeg_xvmc_hwaccel_deps="xvmc"

  2945. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2946. mpeg1_nvdec_hwaccel_deps="nvdec"

  2947. mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"

  2948. mpeg1_vdpau_hwaccel_deps="vdpau"

  2949. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2950. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2951. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2952. mpeg1_xvmc_hwaccel_deps="xvmc"

  2953. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2954. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2955. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2956. mpeg2_d3d11va2_hwaccel_deps="d3d11va"

  2957. mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"

  2958. mpeg2_dxva2_hwaccel_deps="dxva2"

  2959. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2960. mpeg2_nvdec_hwaccel_deps="nvdec"

  2961. mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"

  2962. mpeg2_vaapi_hwaccel_deps="vaapi"

  2963. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2964. mpeg2_vdpau_hwaccel_deps="vdpau"

  2965. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2966. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2967. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2968. mpeg2_xvmc_hwaccel_deps="xvmc"

  2969. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2970. mpeg4_nvdec_hwaccel_deps="nvdec"

  2971. mpeg4_nvdec_hwaccel_select="mpeg4_decoder"

  2972. mpeg4_vaapi_hwaccel_deps="vaapi"

  2973. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2974. mpeg4_vdpau_hwaccel_deps="vdpau"

  2975. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2976. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2977. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2978. vc1_d3d11va_hwaccel_deps="d3d11va"

  2979. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2980. vc1_d3d11va2_hwaccel_deps="d3d11va"

  2981. vc1_d3d11va2_hwaccel_select="vc1_decoder"

  2982. vc1_dxva2_hwaccel_deps="dxva2"

  2983. vc1_dxva2_hwaccel_select="vc1_decoder"

  2984. vc1_nvdec_hwaccel_deps="nvdec"

  2985. vc1_nvdec_hwaccel_select="vc1_decoder"

  2986. vc1_vaapi_hwaccel_deps="vaapi"

  2987. vc1_vaapi_hwaccel_select="vc1_decoder"

  2988. vc1_vdpau_hwaccel_deps="vdpau"

  2989. vc1_vdpau_hwaccel_select="vc1_decoder"

  2990. vp8_nvdec_hwaccel_deps="nvdec"

  2991. vp8_nvdec_hwaccel_select="vp8_decoder"

  2992. vp8_vaapi_hwaccel_deps="vaapi"

  2993. vp8_vaapi_hwaccel_select="vp8_decoder"

  2994. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2995. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2996. vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2997. vp9_d3d11va2_hwaccel_select="vp9_decoder"

  2998. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2999. vp9_dxva2_hwaccel_select="vp9_decoder"

  3000. vp9_nvdec_hwaccel_deps="nvdec"

  3001. vp9_nvdec_hwaccel_select="vp9_decoder"

  3002. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"

  3003. vp9_vaapi_hwaccel_select="vp9_decoder"

  3004. vp9_vdpau_hwaccel_deps="vdpau VdpPictureInfoVP9"

  3005. vp9_vdpau_hwaccel_select="vp9_decoder"

  3006. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  3007. wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"

  3008. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  3009. wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"

  3010. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  3011. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  3012. 

  3013. # hardware-accelerated codecs

  3014. omx_deps="libdl pthreads"

  3015. omx_rpi_select="omx"

  3016. qsv_deps="libmfx"

  3017. qsvdec_select="qsv"

  3018. qsvenc_select="qsv"

  3019. qsvvpp_select="qsv"

  3020. vaapi_encode_deps="vaapi"

  3021. v4l2_m2m_deps="linux_videodev2_h sem_timedwait"

  3022. 

  3023. hwupload_cuda_filter_deps="ffnvcodec"

  3024. scale_npp_filter_deps="ffnvcodec libnpp"

  3025. scale_cuda_filter_deps="ffnvcodec"

  3026. scale_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3027. thumbnail_cuda_filter_deps="ffnvcodec"

  3028. thumbnail_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3029. transpose_npp_filter_deps="ffnvcodec libnpp"

  3030. overlay_cuda_filter_deps="ffnvcodec"

  3031. overlay_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3032. 

  3033. amf_deps_any="libdl LoadLibrary"

  3034. nvenc_deps="ffnvcodec"

  3035. nvenc_deps_any="libdl LoadLibrary"

  3036. nvenc_encoder_deps="nvenc"

  3037. 

  3038. h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"

  3039. h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"

  3040. h264_amf_encoder_deps="amf"

  3041. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  3042. h264_cuvid_decoder_deps="cuvid"

  3043. h264_cuvid_decoder_select="h264_mp4toannexb_bsf"

  3044. h264_mediacodec_decoder_deps="mediacodec"

  3045. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  3046. h264_mmal_decoder_deps="mmal"

  3047. h264_nvenc_encoder_deps="nvenc"

  3048. h264_omx_encoder_deps="omx"

  3049. h264_qsv_decoder_select="h264_mp4toannexb_bsf qsvdec"

  3050. h264_qsv_encoder_select="qsvenc"

  3051. h264_rkmpp_decoder_deps="rkmpp"

  3052. h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"

  3053. h264_vaapi_encoder_select="cbs_h264 vaapi_encode"

  3054. h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"

  3055. h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"

  3056. h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"

  3057. hevc_amf_encoder_deps="amf"

  3058. hevc_cuvid_decoder_deps="cuvid"

  3059. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"

  3060. hevc_mediacodec_decoder_deps="mediacodec"

  3061. hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"

  3062. hevc_nvenc_encoder_deps="nvenc"

  3063. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf qsvdec"

  3064. hevc_qsv_encoder_select="hevcparse qsvenc"

  3065. hevc_rkmpp_decoder_deps="rkmpp"

  3066. hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"

  3067. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  3068. hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"

  3069. hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"

  3070. hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"

  3071. hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"

  3072. mjpeg_cuvid_decoder_deps="cuvid"

  3073. mjpeg_qsv_decoder_select="qsvdec"

  3074. mjpeg_qsv_encoder_deps="libmfx"

  3075. mjpeg_qsv_encoder_select="qsvenc"

  3076. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  3077. mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"

  3078. mpeg1_cuvid_decoder_deps="cuvid"

  3079. mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"

  3080. mpeg2_crystalhd_decoder_select="crystalhd"

  3081. mpeg2_cuvid_decoder_deps="cuvid"

  3082. mpeg2_mmal_decoder_deps="mmal"

  3083. mpeg2_mediacodec_decoder_deps="mediacodec"

  3084. mpeg2_qsv_decoder_select="qsvdec"

  3085. mpeg2_qsv_encoder_select="qsvenc"

  3086. mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"

  3087. mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"

  3088. mpeg4_crystalhd_decoder_select="crystalhd"

  3089. mpeg4_cuvid_decoder_deps="cuvid"

  3090. mpeg4_mediacodec_decoder_deps="mediacodec"

  3091. mpeg4_mmal_decoder_deps="mmal"

  3092. mpeg4_omx_encoder_deps="omx"

  3093. mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3094. mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3095. msmpeg4_crystalhd_decoder_select="crystalhd"

  3096. nvenc_h264_encoder_select="h264_nvenc_encoder"

  3097. nvenc_hevc_encoder_select="hevc_nvenc_encoder"

  3098. vc1_crystalhd_decoder_select="crystalhd"

  3099. vc1_cuvid_decoder_deps="cuvid"

  3100. vc1_mmal_decoder_deps="mmal"

  3101. vc1_qsv_decoder_select="qsvdec"

  3102. vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"

  3103. vp8_cuvid_decoder_deps="cuvid"

  3104. vp8_mediacodec_decoder_deps="mediacodec"

  3105. vp8_qsv_decoder_select="qsvdec"

  3106. vp8_rkmpp_decoder_deps="rkmpp"

  3107. vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"

  3108. vp8_vaapi_encoder_select="vaapi_encode"

  3109. vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3110. vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3111. vp9_cuvid_decoder_deps="cuvid"

  3112. vp9_mediacodec_decoder_deps="mediacodec"

  3113. vp9_qsv_decoder_select="qsvdec"

  3114. vp9_rkmpp_decoder_deps="rkmpp"

  3115. vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"

  3116. vp9_vaapi_encoder_select="vaapi_encode"

  3117. vp9_qsv_encoder_deps="libmfx MFX_CODEC_VP9"

  3118. vp9_qsv_encoder_select="qsvenc"

  3119. vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"

  3120. wmv3_crystalhd_decoder_select="crystalhd"

  3121. 

  3122. # parsers

  3123. aac_parser_select="adts_header"

  3124. av1_parser_select="cbs_av1"

  3125. h264_parser_select="golomb h264dsp h264parse"

  3126. hevc_parser_select="hevcparse"

  3127. mpegaudio_parser_select="mpegaudioheader"

  3128. mpegvideo_parser_select="mpegvideo"

  3129. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  3130. vc1_parser_select="vc1dsp"

  3131. 

  3132. # bitstream_filters

  3133. aac_adtstoasc_bsf_select="adts_header"

  3134. av1_frame_merge_bsf_select="cbs_av1"

  3135. av1_frame_split_bsf_select="cbs_av1"

  3136. av1_metadata_bsf_select="cbs_av1"

  3137. eac3_core_bsf_select="ac3_parser"

  3138. filter_units_bsf_select="cbs"

  3139. h264_metadata_bsf_deps="const_nan"

  3140. h264_metadata_bsf_select="cbs_h264"

  3141. h264_redundant_pps_bsf_select="cbs_h264"

  3142. hevc_metadata_bsf_select="cbs_h265"

  3143. mjpeg2jpeg_bsf_select="jpegtables"

  3144. mpeg2_metadata_bsf_select="cbs_mpeg2"

  3145. trace_headers_bsf_select="cbs"

  3146. vp9_metadata_bsf_select="cbs_vp9"

  3147. 

  3148. # external libraries

  3149. aac_at_decoder_deps="audiotoolbox"

  3150. aac_at_decoder_select="aac_adtstoasc_bsf"

  3151. ac3_at_decoder_deps="audiotoolbox"

  3152. ac3_at_decoder_select="ac3_parser"

  3153. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  3154. alac_at_decoder_deps="audiotoolbox"

  3155. amr_nb_at_decoder_deps="audiotoolbox"

  3156. avisynth_deps_any="libdl LoadLibrary"

  3157. avisynth_demuxer_deps="avisynth"

  3158. avisynth_demuxer_select="riffdec"

  3159. eac3_at_decoder_deps="audiotoolbox"

  3160. eac3_at_decoder_select="ac3_parser"

  3161. gsm_ms_at_decoder_deps="audiotoolbox"

  3162. ilbc_at_decoder_deps="audiotoolbox"

  3163. mp1_at_decoder_deps="audiotoolbox"

  3164. mp2_at_decoder_deps="audiotoolbox"

  3165. mp3_at_decoder_deps="audiotoolbox"

  3166. mp1_at_decoder_select="mpegaudioheader"

  3167. mp2_at_decoder_select="mpegaudioheader"

  3168. mp3_at_decoder_select="mpegaudioheader"

  3169. pcm_alaw_at_decoder_deps="audiotoolbox"

  3170. pcm_mulaw_at_decoder_deps="audiotoolbox"

  3171. qdmc_decoder_select="fft"

  3172. qdmc_at_decoder_deps="audiotoolbox"

  3173. qdm2_at_decoder_deps="audiotoolbox"

  3174. aac_at_encoder_deps="audiotoolbox"

  3175. aac_at_encoder_select="audio_frame_queue"

  3176. alac_at_encoder_deps="audiotoolbox"

  3177. alac_at_encoder_select="audio_frame_queue"

  3178. ilbc_at_encoder_deps="audiotoolbox"

  3179. ilbc_at_encoder_select="audio_frame_queue"

  3180. pcm_alaw_at_encoder_deps="audiotoolbox"

  3181. pcm_alaw_at_encoder_select="audio_frame_queue"

  3182. pcm_mulaw_at_encoder_deps="audiotoolbox"

  3183. pcm_mulaw_at_encoder_select="audio_frame_queue"

  3184. chromaprint_muxer_deps="chromaprint"

  3185. h264_videotoolbox_encoder_deps="pthreads"

  3186. h264_videotoolbox_encoder_select="videotoolbox_encoder"

  3187. hevc_videotoolbox_encoder_deps="pthreads"

  3188. hevc_videotoolbox_encoder_select="videotoolbox_encoder"

  3189. libaom_av1_decoder_deps="libaom"

  3190. libaom_av1_encoder_deps="libaom"

  3191. libaom_av1_encoder_select="extract_extradata_bsf"

  3192. libaribb24_decoder_deps="libaribb24"

  3193. libcelt_decoder_deps="libcelt"

  3194. libcodec2_decoder_deps="libcodec2"

  3195. libcodec2_encoder_deps="libcodec2"

  3196. libdav1d_decoder_deps="libdav1d"

  3197. libdavs2_decoder_deps="libdavs2"

  3198. libfdk_aac_decoder_deps="libfdk_aac"

  3199. libfdk_aac_encoder_deps="libfdk_aac"

  3200. libfdk_aac_encoder_select="audio_frame_queue"

  3201. libgme_demuxer_deps="libgme"

  3202. libgsm_decoder_deps="libgsm"

  3203. libgsm_encoder_deps="libgsm"

  3204. libgsm_ms_decoder_deps="libgsm"

  3205. libgsm_ms_encoder_deps="libgsm"

  3206. libilbc_decoder_deps="libilbc"

  3207. libilbc_encoder_deps="libilbc"

  3208. libkvazaar_encoder_deps="libkvazaar"

  3209. libmodplug_demuxer_deps="libmodplug"

  3210. libmp3lame_encoder_deps="libmp3lame"

  3211. libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"

  3212. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  3213. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  3214. libopencore_amrnb_encoder_select="audio_frame_queue"

  3215. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  3216. libopenh264_decoder_deps="libopenh264"

  3217. libopenh264_decoder_select="h264_mp4toannexb_bsf"

  3218. libopenh264_encoder_deps="libopenh264"

  3219. libopenjpeg_decoder_deps="libopenjpeg"

  3220. libopenjpeg_encoder_deps="libopenjpeg"

  3221. libopenmpt_demuxer_deps="libopenmpt"

  3222. libopus_decoder_deps="libopus"

  3223. libopus_encoder_deps="libopus"

  3224. libopus_encoder_select="audio_frame_queue"

  3225. librav1e_encoder_deps="librav1e"

  3226. librav1e_encoder_select="extract_extradata_bsf"

  3227. librsvg_decoder_deps="librsvg"

  3228. libshine_encoder_deps="libshine"

  3229. libshine_encoder_select="audio_frame_queue"

  3230. libspeex_decoder_deps="libspeex"

  3231. libspeex_encoder_deps="libspeex"

  3232. libspeex_encoder_select="audio_frame_queue"

  3233. libtheora_encoder_deps="libtheora"

  3234. libtwolame_encoder_deps="libtwolame"

  3235. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  3236. libvorbis_decoder_deps="libvorbis"

  3237. libvorbis_encoder_deps="libvorbis libvorbisenc"

  3238. libvorbis_encoder_select="audio_frame_queue"

  3239. libvpx_vp8_decoder_deps="libvpx"

  3240. libvpx_vp8_encoder_deps="libvpx"

  3241. libvpx_vp9_decoder_deps="libvpx"

  3242. libvpx_vp9_encoder_deps="libvpx"

  3243. libwavpack_encoder_deps="libwavpack"

  3244. libwavpack_encoder_select="audio_frame_queue"

  3245. libwebp_encoder_deps="libwebp"

  3246. libwebp_anim_encoder_deps="libwebp"

  3247. libx262_encoder_deps="libx262"

  3248. libx264_encoder_deps="libx264"

  3249. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  3250. libx264rgb_encoder_select="libx264_encoder"

  3251. libx265_encoder_deps="libx265"

  3252. libxavs_encoder_deps="libxavs"

  3253. libxavs2_encoder_deps="libxavs2"

  3254. libxvid_encoder_deps="libxvid"

  3255. libzvbi_teletext_decoder_deps="libzvbi"

  3256. vapoursynth_demuxer_deps="vapoursynth"

  3257. videotoolbox_suggest="coreservices"

  3258. videotoolbox_deps="corefoundation coremedia corevideo"

  3259. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  3260. 

  3261. # demuxers / muxers

  3262. ac3_demuxer_select="ac3_parser"

  3263. act_demuxer_select="riffdec"

  3264. aiff_muxer_select="iso_media"

  3265. asf_demuxer_select="riffdec"

  3266. asf_o_demuxer_select="riffdec"

  3267. asf_muxer_select="riffenc"

  3268. asf_stream_muxer_select="asf_muxer"

  3269. av1_demuxer_select="av1_frame_merge_bsf av1_parser"

  3270. avi_demuxer_select="iso_media riffdec exif"

  3271. avi_muxer_select="riffenc"

  3272. caf_demuxer_select="iso_media riffdec"

  3273. caf_muxer_select="iso_media"

  3274. dash_muxer_select="mp4_muxer"

  3275. dash_demuxer_deps="libxml2"

  3276. dirac_demuxer_select="dirac_parser"

  3277. dts_demuxer_select="dca_parser"

  3278. dtshd_demuxer_select="dca_parser"

  3279. dv_demuxer_select="dvprofile"

  3280. dv_muxer_select="dvprofile"

  3281. dxa_demuxer_select="riffdec"

  3282. eac3_demuxer_select="ac3_parser"

  3283. f4v_muxer_select="mov_muxer"

  3284. fifo_muxer_deps="threads"

  3285. flac_demuxer_select="flac_parser"

  3286. flv_muxer_select="aac_adtstoasc_bsf"

  3287. gxf_muxer_select="pcm_rechunk_bsf"

  3288. hds_muxer_select="flv_muxer"

  3289. hls_muxer_select="mpegts_muxer"

  3290. hls_muxer_suggest="gcrypt openssl"

  3291. image2_alias_pix_demuxer_select="image2_demuxer"

  3292. image2_brender_pix_demuxer_select="image2_demuxer"

  3293. ipod_muxer_select="mov_muxer"

  3294. ismv_muxer_select="mov_muxer"

  3295. ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"

  3296. latm_muxer_select="aac_adtstoasc_bsf"

  3297. matroska_audio_muxer_select="matroska_muxer"

  3298. matroska_demuxer_select="iso_media riffdec"

  3299. matroska_demuxer_suggest="bzlib lzo zlib"

  3300. matroska_muxer_select="iso_media riffenc vp9_superframe_bsf aac_adtstoasc_bsf"

  3301. mlp_demuxer_select="mlp_parser"

  3302. mmf_muxer_select="riffenc"

  3303. mov_demuxer_select="iso_media riffdec"

  3304. mov_demuxer_suggest="zlib"

  3305. mov_muxer_select="iso_media riffenc rtpenc_chain vp9_superframe_bsf aac_adtstoasc_bsf"

  3306. mp3_demuxer_select="mpegaudio_parser"

  3307. mp3_muxer_select="mpegaudioheader"

  3308. mp4_muxer_select="mov_muxer"

  3309. mpegts_demuxer_select="iso_media"

  3310. mpegts_muxer_select="adts_muxer latm_muxer h264_mp4toannexb_bsf hevc_mp4toannexb_bsf"

  3311. mpegtsraw_demuxer_select="mpegts_demuxer"

  3312. mxf_muxer_select="golomb pcm_rechunk_bsf"

  3313. mxf_d10_muxer_select="mxf_muxer"

  3314. mxf_opatom_muxer_select="mxf_muxer"

  3315. nut_muxer_select="riffenc"

  3316. nuv_demuxer_select="riffdec"

  3317. oga_muxer_select="ogg_muxer"

  3318. ogg_demuxer_select="dirac_parse"

  3319. ogv_muxer_select="ogg_muxer"

  3320. opus_muxer_select="ogg_muxer"

  3321. psp_muxer_select="mov_muxer"

  3322. rtp_demuxer_select="sdp_demuxer"

  3323. rtp_muxer_select="golomb jpegtables"

  3324. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  3325. rtsp_demuxer_select="http_protocol rtpdec"

  3326. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  3327. sap_demuxer_select="sdp_demuxer"

  3328. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  3329. sdp_demuxer_select="rtpdec"

  3330. smoothstreaming_muxer_select="ismv_muxer"

  3331. spdif_demuxer_select="adts_header"

  3332. spdif_muxer_select="adts_header"

  3333. spx_muxer_select="ogg_muxer"

  3334. swf_demuxer_suggest="zlib"

  3335. tak_demuxer_select="tak_parser"

  3336. truehd_demuxer_select="mlp_parser"

  3337. tg2_muxer_select="mov_muxer"

  3338. tgp_muxer_select="mov_muxer"

  3339. vobsub_demuxer_select="mpegps_demuxer"

  3340. w64_demuxer_select="wav_demuxer"

  3341. w64_muxer_select="wav_muxer"

  3342. wav_demuxer_select="riffdec"

  3343. wav_muxer_select="riffenc"

  3344. webm_chunk_muxer_select="webm_muxer"

  3345. webm_muxer_select="iso_media riffenc"

  3346. webm_dash_manifest_demuxer_select="matroska_demuxer"

  3347. wtv_demuxer_select="mpegts_demuxer riffdec"

  3348. wtv_muxer_select="mpegts_muxer riffenc"

  3349. xmv_demuxer_select="riffdec"

  3350. xwma_demuxer_select="riffdec"

  3351. 

  3352. # indevs / outdevs

  3353. android_camera_indev_deps="android camera2ndk mediandk pthreads"

  3354. android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"

  3355. alsa_indev_deps="alsa"

  3356. alsa_outdev_deps="alsa"

  3357. avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"

  3358. avfoundation_indev_suggest="coregraphics applicationservices"

  3359. avfoundation_indev_extralibs="-framework Foundation"

  3360. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  3361. caca_outdev_deps="libcaca"

  3362. decklink_deps_any="libdl LoadLibrary"

  3363. decklink_indev_deps="decklink threads"

  3364. decklink_indev_extralibs="-lstdc++"

  3365. decklink_outdev_deps="decklink threads"

  3366. decklink_outdev_suggest="libklvanc"

  3367. decklink_outdev_extralibs="-lstdc++"

  3368. dshow_indev_deps="IBaseFilter"

  3369. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  3370. fbdev_indev_deps="linux_fb_h"

  3371. fbdev_outdev_deps="linux_fb_h"

  3372. gdigrab_indev_deps="CreateDIBSection"

  3373. gdigrab_indev_extralibs="-lgdi32"

  3374. gdigrab_indev_select="bmp_decoder"

  3375. iec61883_indev_deps="libiec61883"

  3376. jack_indev_deps="libjack"

  3377. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  3378. kmsgrab_indev_deps="libdrm"

  3379. lavfi_indev_deps="avfilter"

  3380. libcdio_indev_deps="libcdio"

  3381. libdc1394_indev_deps="libdc1394"

  3382. openal_indev_deps="openal"

  3383. opengl_outdev_deps="opengl"

  3384. opengl_outdev_suggest="sdl2"

  3385. oss_indev_deps_any="sys_soundcard_h"

  3386. oss_outdev_deps_any="sys_soundcard_h"

  3387. pulse_indev_deps="libpulse"

  3388. pulse_outdev_deps="libpulse"

  3389. sdl2_outdev_deps="sdl2"

  3390. sndio_indev_deps="sndio"

  3391. sndio_outdev_deps="sndio"

  3392. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  3393. v4l2_indev_suggest="libv4l2"

  3394. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  3395. v4l2_outdev_suggest="libv4l2"

  3396. vfwcap_indev_deps="vfw32 vfwcap_defines"

  3397. xcbgrab_indev_deps="libxcb"

  3398. xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"

  3399. xv_outdev_deps="xlib"

  3400. 

  3401. # protocols

  3402. async_protocol_deps="threads"

  3403. bluray_protocol_deps="libbluray"

  3404. ffrtmpcrypt_protocol_conflict="librtmp_protocol"

  3405. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"

  3406. ffrtmpcrypt_protocol_select="tcp_protocol"

  3407. ffrtmphttp_protocol_conflict="librtmp_protocol"

  3408. ffrtmphttp_protocol_select="http_protocol"

  3409. ftp_protocol_select="tcp_protocol"

  3410. gopher_protocol_select="network"

  3411. http_protocol_select="tcp_protocol"

  3412. http_protocol_suggest="zlib"

  3413. httpproxy_protocol_select="tcp_protocol"

  3414. httpproxy_protocol_suggest="zlib"

  3415. https_protocol_select="tls_protocol"

  3416. https_protocol_suggest="zlib"

  3417. icecast_protocol_select="http_protocol"

  3418. mmsh_protocol_select="http_protocol"

  3419. mmst_protocol_select="network"

  3420. rtmp_protocol_conflict="librtmp_protocol"

  3421. rtmp_protocol_select="tcp_protocol"

  3422. rtmp_protocol_suggest="zlib"

  3423. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  3424. rtmpe_protocol_suggest="zlib"

  3425. rtmps_protocol_conflict="librtmp_protocol"

  3426. rtmps_protocol_select="tls_protocol"

  3427. rtmps_protocol_suggest="zlib"

  3428. rtmpt_protocol_select="ffrtmphttp_protocol"

  3429. rtmpt_protocol_suggest="zlib"

  3430. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  3431. rtmpte_protocol_suggest="zlib"

  3432. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  3433. rtmpts_protocol_suggest="zlib"

  3434. rtp_protocol_select="udp_protocol"

  3435. schannel_conflict="openssl gnutls libtls mbedtls"

  3436. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  3437. sctp_protocol_select="network"

  3438. securetransport_conflict="openssl gnutls libtls mbedtls"

  3439. srtp_protocol_select="rtp_protocol srtp"

  3440. tcp_protocol_select="network"

  3441. tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"

  3442. tls_protocol_select="tcp_protocol"

  3443. udp_protocol_select="network"

  3444. udplite_protocol_select="network"

  3445. unix_protocol_deps="sys_un_h"

  3446. unix_protocol_select="network"

  3447. 

  3448. # external library protocols

  3449. libamqp_protocol_deps="librabbitmq"

  3450. libamqp_protocol_select="network"

  3451. librtmp_protocol_deps="librtmp"

  3452. librtmpe_protocol_deps="librtmp"

  3453. librtmps_protocol_deps="librtmp"

  3454. librtmpt_protocol_deps="librtmp"

  3455. librtmpte_protocol_deps="librtmp"

  3456. libsmbclient_protocol_deps="libsmbclient gplv3"

  3457. libsrt_protocol_deps="libsrt"

  3458. libsrt_protocol_select="network"

  3459. libssh_protocol_deps="libssh"

  3460. libtls_conflict="openssl gnutls mbedtls"

  3461. libzmq_protocol_deps="libzmq"

  3462. libzmq_protocol_select="network"

  3463. 

  3464. # filters

  3465. afftdn_filter_deps="avcodec"

  3466. afftdn_filter_select="fft"

  3467. afftfilt_filter_deps="avcodec"

  3468. afftfilt_filter_select="fft"

  3469. afir_filter_deps="avcodec"

  3470. afir_filter_select="rdft"

  3471. amovie_filter_deps="avcodec avformat"

  3472. aresample_filter_deps="swresample"

  3473. asr_filter_deps="pocketsphinx"

  3474. ass_filter_deps="libass"

  3475. atempo_filter_deps="avcodec"

  3476. atempo_filter_select="rdft"

  3477. avgblur_opencl_filter_deps="opencl"

  3478. avgblur_vulkan_filter_deps="vulkan libglslang"

  3479. azmq_filter_deps="libzmq"

  3480. blackframe_filter_deps="gpl"

  3481. bm3d_filter_deps="avcodec"

  3482. bm3d_filter_select="dct"

  3483. boxblur_filter_deps="gpl"

  3484. boxblur_opencl_filter_deps="opencl gpl"

  3485. bs2b_filter_deps="libbs2b"

  3486. chromaber_vulkan_filter_deps="vulkan libglslang"

  3487. colorkey_opencl_filter_deps="opencl"

  3488. colormatrix_filter_deps="gpl"

  3489. convolution_opencl_filter_deps="opencl"

  3490. convolve_filter_deps="avcodec"

  3491. convolve_filter_select="fft"

  3492. coreimage_filter_deps="coreimage appkit"

  3493. coreimage_filter_extralibs="-framework OpenGL"

  3494. coreimagesrc_filter_deps="coreimage appkit"

  3495. coreimagesrc_filter_extralibs="-framework OpenGL"

  3496. cover_rect_filter_deps="avcodec avformat gpl"

  3497. cropdetect_filter_deps="gpl"

  3498. deconvolve_filter_deps="avcodec"

  3499. deconvolve_filter_select="fft"

  3500. deinterlace_qsv_filter_deps="libmfx"

  3501. deinterlace_vaapi_filter_deps="vaapi"

  3502. delogo_filter_deps="gpl"

  3503. denoise_vaapi_filter_deps="vaapi"

  3504. derain_filter_select="dnn"

  3505. deshake_filter_select="pixelutils"

  3506. deshake_opencl_filter_deps="opencl"

  3507. dilation_opencl_filter_deps="opencl"

  3508. dnn_processing_filter_deps="swscale"

  3509. dnn_processing_filter_select="dnn"

  3510. drawtext_filter_deps="libfreetype"

  3511. drawtext_filter_suggest="libfontconfig libfribidi"

  3512. elbg_filter_deps="avcodec"

  3513. eq_filter_deps="gpl"

  3514. erosion_opencl_filter_deps="opencl"

  3515. fftfilt_filter_deps="avcodec"

  3516. fftfilt_filter_select="rdft"

  3517. fftdnoiz_filter_deps="avcodec"

  3518. fftdnoiz_filter_select="fft"

  3519. find_rect_filter_deps="avcodec avformat gpl"

  3520. firequalizer_filter_deps="avcodec"

  3521. firequalizer_filter_select="rdft"

  3522. flite_filter_deps="libflite"

  3523. framerate_filter_select="scene_sad"

  3524. freezedetect_filter_select="scene_sad"

  3525. frei0r_filter_deps="frei0r libdl"

  3526. frei0r_src_filter_deps="frei0r libdl"

  3527. fspp_filter_deps="gpl"

  3528. headphone_filter_select="fft"

  3529. histeq_filter_deps="gpl"

  3530. hqdn3d_filter_deps="gpl"

  3531. interlace_filter_deps="gpl"

  3532. kerndeint_filter_deps="gpl"

  3533. ladspa_filter_deps="ladspa libdl"

  3534. lensfun_filter_deps="liblensfun version3"

  3535. lv2_filter_deps="lv2"

  3536. mcdeint_filter_deps="avcodec gpl"

  3537. movie_filter_deps="avcodec avformat"

  3538. mpdecimate_filter_deps="gpl"

  3539. mpdecimate_filter_select="pixelutils"

  3540. minterpolate_filter_select="scene_sad"

  3541. mptestsrc_filter_deps="gpl"

  3542. negate_filter_deps="lut_filter"

  3543. nlmeans_opencl_filter_deps="opencl"

  3544. nnedi_filter_deps="gpl"

  3545. ocr_filter_deps="libtesseract"

  3546. ocv_filter_deps="libopencv"

  3547. openclsrc_filter_deps="opencl"

  3548. overlay_opencl_filter_deps="opencl"

  3549. overlay_qsv_filter_deps="libmfx"

  3550. overlay_qsv_filter_select="qsvvpp"

  3551. overlay_vulkan_filter_deps="vulkan libglslang"

  3552. owdenoise_filter_deps="gpl"

  3553. pad_opencl_filter_deps="opencl"

  3554. pan_filter_deps="swresample"

  3555. perspective_filter_deps="gpl"

  3556. phase_filter_deps="gpl"

  3557. pp7_filter_deps="gpl"

  3558. pp_filter_deps="gpl postproc"

  3559. prewitt_opencl_filter_deps="opencl"

  3560. procamp_vaapi_filter_deps="vaapi"

  3561. program_opencl_filter_deps="opencl"

  3562. pullup_filter_deps="gpl"

  3563. removelogo_filter_deps="avcodec avformat swscale"

  3564. repeatfields_filter_deps="gpl"

  3565. resample_filter_deps="avresample"

  3566. roberts_opencl_filter_deps="opencl"

  3567. rubberband_filter_deps="librubberband"

  3568. sab_filter_deps="gpl swscale"

  3569. scale2ref_filter_deps="swscale"

  3570. scale_filter_deps="swscale"

  3571. scale_qsv_filter_deps="libmfx"

  3572. scdet_filter_select="scene_sad"

  3573. select_filter_select="scene_sad"

  3574. sharpness_vaapi_filter_deps="vaapi"

  3575. showcqt_filter_deps="avcodec avformat swscale"

  3576. showcqt_filter_suggest="libfontconfig libfreetype"

  3577. showcqt_filter_select="fft"

  3578. showfreqs_filter_deps="avcodec"

  3579. showfreqs_filter_select="fft"

  3580. showspatial_filter_select="fft"

  3581. showspectrum_filter_deps="avcodec"

  3582. showspectrum_filter_select="fft"

  3583. showspectrumpic_filter_deps="avcodec"

  3584. showspectrumpic_filter_select="fft"

  3585. signature_filter_deps="gpl avcodec avformat"

  3586. sinc_filter_select="rdft"

  3587. smartblur_filter_deps="gpl swscale"

  3588. sobel_opencl_filter_deps="opencl"

  3589. sofalizer_filter_deps="libmysofa avcodec"

  3590. sofalizer_filter_select="fft"

  3591. spectrumsynth_filter_deps="avcodec"

  3592. spectrumsynth_filter_select="fft"

  3593. spp_filter_deps="gpl avcodec"

  3594. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3595. sr_filter_deps="avformat swscale"

  3596. sr_filter_select="dnn"

  3597. stereo3d_filter_deps="gpl"

  3598. subtitles_filter_deps="avformat avcodec libass"

  3599. super2xsai_filter_deps="gpl"

  3600. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3601. superequalizer_filter_select="rdft"

  3602. surround_filter_select="rdft"

  3603. tinterlace_filter_deps="gpl"

  3604. tinterlace_merge_test_deps="tinterlace_filter"

  3605. tinterlace_pad_test_deps="tinterlace_filter"

  3606. tonemap_filter_deps="const_nan"

  3607. tonemap_vaapi_filter_deps="vaapi VAProcFilterParameterBufferHDRToneMapping"

  3608. tonemap_opencl_filter_deps="opencl const_nan"

  3609. transpose_opencl_filter_deps="opencl"

  3610. transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags"

  3611. unsharp_opencl_filter_deps="opencl"

  3612. uspp_filter_deps="gpl avcodec"

  3613. vaguedenoiser_filter_deps="gpl"

  3614. vidstabdetect_filter_deps="libvidstab"

  3615. vidstabtransform_filter_deps="libvidstab"

  3616. libvmaf_filter_deps="libvmaf pthreads"

  3617. zmq_filter_deps="libzmq"

  3618. zoompan_filter_deps="swscale"

  3619. zscale_filter_deps="libzimg const_nan"

  3620. scale_vaapi_filter_deps="vaapi"

  3621. scale_vulkan_filter_deps="vulkan libglslang"

  3622. vpp_qsv_filter_deps="libmfx"

  3623. vpp_qsv_filter_select="qsvvpp"

  3624. xfade_opencl_filter_deps="opencl"

  3625. yadif_cuda_filter_deps="ffnvcodec"

  3626. yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3627. 

  3628. # examples

  3629. avio_list_dir_deps="avformat avutil"

  3630. avio_reading_deps="avformat avcodec avutil"

  3631. decode_audio_example_deps="avcodec avutil"

  3632. decode_video_example_deps="avcodec avutil"

  3633. demuxing_decoding_example_deps="avcodec avformat avutil"

  3634. encode_audio_example_deps="avcodec avutil"

  3635. encode_video_example_deps="avcodec avutil"

  3636. extract_mvs_example_deps="avcodec avformat avutil"

  3637. filter_audio_example_deps="avfilter avutil"

  3638. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3639. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3640. http_multiclient_example_deps="avformat avutil fork"

  3641. hw_decode_example_deps="avcodec avformat avutil"

  3642. metadata_example_deps="avformat avutil"

  3643. muxing_example_deps="avcodec avformat avutil swscale"

  3644. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"

  3645. remuxing_example_deps="avcodec avformat avutil"

  3646. resampling_audio_example_deps="avutil swresample"

  3647. scaling_video_example_deps="avutil swscale"

  3648. transcode_aac_example_deps="avcodec avformat swresample"

  3649. transcoding_example_deps="avfilter avcodec avformat avutil"

  3650. vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"

  3651. vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"

  3652. 

  3653. # EXTRALIBS_LIST

  3654. cpu_init_extralibs="pthreads_extralibs"

  3655. cws2fws_extralibs="zlib_extralibs"

  3656. 

  3657. # libraries, in any order

  3658. avcodec_deps="avutil"

  3659. avcodec_suggest="libm"

  3660. avcodec_select="null_bsf"

  3661. avdevice_deps="avformat avcodec avutil"

  3662. avdevice_suggest="libm"

  3663. avfilter_deps="avutil"

  3664. avfilter_suggest="libm"

  3665. avformat_deps="avcodec avutil"

  3666. avformat_suggest="libm network zlib"

  3667. avresample_deps="avutil"

  3668. avresample_suggest="libm"

  3669. avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi vulkan videotoolbox corefoundation corevideo coremedia bcrypt"

  3670. postproc_deps="avutil gpl"

  3671. postproc_suggest="libm"

  3672. swresample_deps="avutil"

  3673. swresample_suggest="libm libsoxr"

  3674. swscale_deps="avutil"

  3675. swscale_suggest="libm"

  3676. 

  3677. avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"

  3678. avfilter_extralibs="pthreads_extralibs"

  3679. avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"

  3680. 

  3681. # programs

  3682. ffmpeg_deps="avcodec avfilter avformat"

  3683. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3684.                hflip_filter null_filter

  3685.                transpose_filter trim_filter vflip_filter"

  3686. ffmpeg_suggest="ole32 psapi shell32"

  3687. ffplay_deps="avcodec avformat swscale swresample sdl2"

  3688. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3689. ffplay_suggest="shell32"

  3690. ffprobe_deps="avcodec avformat"

  3691. ffprobe_suggest="shell32"

  3692. 

  3693. # documentation

  3694. podpages_deps="perl"

  3695. manpages_deps="perl pod2man"

  3696. htmlpages_deps="perl"

  3697. htmlpages_deps_any="makeinfo_html texi2html"

  3698. txtpages_deps="perl makeinfo"

  3699. doc_deps_any="manpages htmlpages podpages txtpages"

  3700. 

  3701. # default parameters

  3702. 

  3703. logfile="ffbuild/config.log"

  3704. 

  3705. # installation paths

  3706. prefix_default="/usr/local"

  3707. bindir_default='${prefix}/bin'

  3708. datadir_default='${prefix}/share/ffmpeg'

  3709. docdir_default='${prefix}/share/doc/ffmpeg'

  3710. incdir_default='${prefix}/include'

  3711. libdir_default='${prefix}/lib'

  3712. mandir_default='${prefix}/share/man'

  3713. 

  3714. # toolchain

  3715. ar_default="ar"

  3716. cc_default="gcc"

  3717. cxx_default="g++"

  3718. host_cc_default="gcc"

  3719. doxygen_default="doxygen"

  3720. install="install"

  3721. ln_s_default="ln -s -f"

  3722. nm_default="nm -g"

  3723. pkg_config_default=pkg-config

  3724. ranlib_default="ranlib"

  3725. strip_default="strip"

  3726. version_script='--version-script'

  3727. objformat="elf32"

  3728. x86asmexe_default="nasm"

  3729. windres_default="windres"

  3730. striptype="direct"

  3731. 

  3732. # OS

  3733. target_os_default=$(tolower $(uname -s))

  3734. host_os=$target_os_default

  3735. 

  3736. # machine

  3737. if test "$target_os_default" = aix; then

  3738.     arch_default=$(uname -p)

  3739.     strip_default="strip -X32_64"

  3740.     nm_default="nm -g -X32_64"

  3741. else

  3742.     arch_default=$(uname -m)

  3743. fi

  3744. cpu="generic"

  3745. intrinsics="none"

  3746. 

  3747. # configurable options

  3748. enable $PROGRAM_LIST

  3749. enable $DOCUMENT_LIST

  3750. enable $EXAMPLE_LIST

  3751. enable $(filter_out avresample $LIBRARY_LIST)

  3752. enable stripping

  3753. 

  3754. enable asm

  3755. enable debug

  3756. enable doc

  3757. enable faan faandct faanidct

  3758. enable large_tests

  3759. enable optimizations

  3760. enable runtime_cpudetect

  3761. enable safe_bitstream_reader

  3762. enable static

  3763. enable swscale_alpha

  3764. enable valgrind_backtrace

  3765. 

  3766. sws_max_filter_size_default=256

  3767. set_default sws_max_filter_size

  3768. 

  3769. # internal components are enabled by default

  3770. enable $EXTRALIBS_LIST

  3771. 

  3772. # Avoid external, non-system, libraries getting enabled by dependency resolution

  3773. disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST

  3774. 

  3775. # build settings

  3776. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3777. LIBPREF="lib"

  3778. LIBSUF=".a"

  3779. FULLNAME='$(NAME)$(BUILDSUF)'

  3780. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3781. SLIBPREF="lib"

  3782. SLIBSUF=".so"

  3783. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3784. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3785. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3786. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3787. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3788. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3789. VERSION_SCRIPT_POSTPROCESS_CMD="cat"

  3790. 

  3791. asflags_filter=echo

  3792. cflags_filter=echo

  3793. ldflags_filter=echo

  3794. 

  3795. AS_C='-c'

  3796. AS_O='-o $@'

  3797. CC_C='-c'

  3798. CC_E='-E -o $@'

  3799. CC_O='-o $@'

  3800. CXX_C='-c'

  3801. CXX_O='-o $@'

  3802. OBJCC_C='-c'

  3803. OBJCC_E='-E -o $@'

  3804. OBJCC_O='-o $@'

  3805. X86ASM_O='-o $@'

  3806. LD_O='-o $@'

  3807. LD_LIB='-l%'

  3808. LD_PATH='-L'

  3809. HOSTCC_C='-c'

  3810. HOSTCC_E='-E -o $@'

  3811. HOSTCC_O='-o $@'

  3812. HOSTLD_O='-o $@'

  3813. NVCC_C='-c'

  3814. NVCC_O='-o $@'

  3815. 

  3816. host_extralibs='-lm'

  3817. host_cflags_filter=echo

  3818. host_ldflags_filter=echo

  3819. 

  3820. target_path='$(CURDIR)'

  3821. 

  3822. # since the object filename is not given with the -MM flag, the compiler

  3823. # is only able to print the basename, and we must add the path ourselves

  3824. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3825. DEPFLAGS='-MM'

  3826. 

  3827. mkdir -p ffbuild

  3828. 

  3829. # find source path

  3830. if test -f configure; then

  3831.     source_path=.

  3832. elif test -f src/configure; then

  3833.     source_path=src

  3834. else

  3835.     source_path=$(cd $(dirname "$0"); pwd)

  3836.     case "$source_path" in

  3837.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3838.     esac

  3839.     test -e "$source_path/config.h" &&

  3840.         die "Out of tree builds are impossible with config.h in source dir."

  3841. fi

  3842. 

  3843. for v in "$@"; do

  3844.     r=${v#*=}

  3845.     l=${v%"$r"}

  3846.     r=$(sh_quote "$r")

  3847.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3848. done

  3849. 

  3850. find_things_extern(){

  3851.     thing=$1

  3852.     pattern=$2

  3853.     file=$source_path/$3

  3854.     out=${4:-$thing}

  3855.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"

  3856. }

  3857. 

  3858. find_filters_extern(){

  3859.     file=$source_path/$1

  3860.     sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file

  3861. }

  3862. 

  3863. FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)

  3864. OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)

  3865. INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)

  3866. MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)

  3867. DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)

  3868. ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)

  3869. DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)

  3870. CODEC_LIST="

  3871.     $ENCODER_LIST

  3872.     $DECODER_LIST

  3873. "

  3874. PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)

  3875. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3876. HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)

  3877. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3878. 

  3879. AVCODEC_COMPONENTS_LIST="

  3880.     $BSF_LIST

  3881.     $DECODER_LIST

  3882.     $ENCODER_LIST

  3883.     $HWACCEL_LIST

  3884.     $PARSER_LIST

  3885. "

  3886. 

  3887. AVDEVICE_COMPONENTS_LIST="

  3888.     $INDEV_LIST

  3889.     $OUTDEV_LIST

  3890. "

  3891. 

  3892. AVFILTER_COMPONENTS_LIST="

  3893.     $FILTER_LIST

  3894. "

  3895. 

  3896. AVFORMAT_COMPONENTS_LIST="

  3897.     $DEMUXER_LIST

  3898.     $MUXER_LIST

  3899.     $PROTOCOL_LIST

  3900. "

  3901. 

  3902. ALL_COMPONENTS="

  3903.     $AVCODEC_COMPONENTS_LIST

  3904.     $AVDEVICE_COMPONENTS_LIST

  3905.     $AVFILTER_COMPONENTS_LIST

  3906.     $AVFORMAT_COMPONENTS_LIST

  3907. "

  3908. 

  3909. for n in $COMPONENT_LIST; do

  3910.     v=$(toupper ${n%s})_LIST

  3911.     eval enable \$$v

  3912.     eval ${n}_if_any="\$$v"

  3913. done

  3914. 

  3915. enable $ARCH_EXT_LIST

  3916. 

  3917. die_unknown(){

  3918.     echo "Unknown option \"$1\"."

  3919.     echo "See $0 --help for available options."

  3920.     exit 1

  3921. }

  3922. 

  3923. print_in_columns() {

  3924.     tr ' ' '\n' | sort | tr '\r\n' '  ' | awk -v col_width=24 -v width="$ncols" '

  3925.     {

  3926.         num_cols = width > col_width ? int(width / col_width) : 1;

  3927.         num_rows = int((NF + num_cols-1) / num_cols);

  3928.         y = x = 1;

  3929.         for (y = 1; y <= num_rows; y++) {

  3930.             i = y;

  3931.             for (x = 1; x <= num_cols; x++) {

  3932.                 if (i <= NF) {

  3933.                   line = sprintf("%s%-" col_width "s", line, $i);

  3934.                 }

  3935.                 i = i + num_rows;

  3936.             }

  3937.             print line; line = "";

  3938.         }

  3939.     }' | sed 's/ *$//'

  3940. }

  3941. 

  3942. show_list() {

  3943.     suffix=_$1

  3944.     shift

  3945.     echo $* | sed s/$suffix//g | print_in_columns

  3946.     exit 0

  3947. }

  3948. 

  3949. rand_list(){

  3950.     IFS=', '

  3951.     set -- $*

  3952.     unset IFS

  3953.     for thing; do

  3954.         comp=${thing%:*}

  3955.         prob=${thing#$comp}

  3956.         prob=${prob#:}

  3957.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3958.         echo "prob ${prob:-0.5}"

  3959.         printf '%s\n' $comp

  3960.     done

  3961. }

  3962. 

  3963. do_random(){

  3964.     action=$1

  3965.     shift

  3966.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3967.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3968. }

  3969. 

  3970. for opt do

  3971.     optval="${opt#*=}"

  3972.     case "$opt" in

  3973.         --extra-ldflags=*)

  3974.             add_ldflags $optval

  3975.         ;;

  3976.         --extra-ldexeflags=*)

  3977.             add_ldexeflags $optval

  3978.         ;;

  3979.         --extra-ldsoflags=*)

  3980.             add_ldsoflags $optval

  3981.         ;;

  3982.         --extra-ldlibflags=*)

  3983.             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\

  3984.                  "removed in the future. Use --extra-ldsoflags instead."

  3985.             add_ldsoflags $optval

  3986.         ;;

  3987.         --extra-libs=*)

  3988.             add_extralibs $optval

  3989.         ;;

  3990.         --disable-devices)

  3991.             disable $INDEV_LIST $OUTDEV_LIST

  3992.         ;;

  3993.         --enable-debug=*)

  3994.             debuglevel="$optval"

  3995.         ;;

  3996.         --disable-programs)

  3997.             disable $PROGRAM_LIST

  3998.         ;;

  3999.         --disable-everything)

  4000.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  4001.         ;;

  4002.         --disable-all)

  4003.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  4004.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  4005.             enable avutil

  4006.         ;;

  4007.         --enable-random|--disable-random)

  4008.             action=${opt%%-random}

  4009.             do_random ${action#--} $COMPONENT_LIST

  4010.         ;;

  4011.         --enable-random=*|--disable-random=*)

  4012.             action=${opt%%-random=*}

  4013.             do_random ${action#--} $optval

  4014.         ;;

  4015.         --enable-sdl)

  4016.             enable sdl2

  4017.         ;;

  4018.         --enable-*=*|--disable-*=*)

  4019.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  4020.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  4021.             eval list=\$$(toupper $thing)_LIST

  4022.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  4023.             list=$(filter "$name" $list)

  4024.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  4025.             test $action = enable && warn_if_gets_disabled $list

  4026.             $action $list

  4027.         ;;

  4028.         --enable-yasm|--disable-yasm)

  4029.             warn "The ${opt} option is only provided for compatibility and will be\n"\

  4030.                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."

  4031.             test $opt = --enable-yasm && x86asm=yes || x86asm=no

  4032.         ;;

  4033.         --yasmexe=*)

  4034.             warn "The --yasmexe option is only provided for compatibility and will be\n"\

  4035.                  "removed in the future. Use --x86asmexe instead."

  4036.             x86asmexe="$optval"

  4037.         ;;

  4038.         --enable-?*|--disable-?*)

  4039.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  4040.             if is_in $option $COMPONENT_LIST; then

  4041.                 test $action = disable && action=unset

  4042.                 eval $action \$$(toupper ${option%s})_LIST

  4043.             elif is_in $option $CMDLINE_SELECT; then

  4044.                 $action $option

  4045.             else

  4046.                 die_unknown $opt

  4047.             fi

  4048.         ;;

  4049.         --list-*)

  4050.             NAME="${opt#--list-}"

  4051.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  4052.             NAME=${NAME%s}

  4053.             eval show_list $NAME \$$(toupper $NAME)_LIST

  4054.         ;;

  4055.         --help|-h) show_help

  4056.         ;;

  4057.         --quiet|-q) quiet=yes

  4058.         ;;

  4059.         --fatal-warnings) enable fatal_warnings

  4060.         ;;

  4061.         --libfuzzer=*)

  4062.             libfuzzer_path="$optval"

  4063.         ;;

  4064.         *)

  4065.             optname="${opt%%=*}"

  4066.             optname="${optname#--}"

  4067.             optname=$(echo "$optname" | sed 's/-/_/g')

  4068.             if is_in $optname $CMDLINE_SET; then

  4069.                 eval $optname='$optval'

  4070.             elif is_in $optname $CMDLINE_APPEND; then

  4071.                 append $optname "$optval"

  4072.             else

  4073.                 die_unknown $opt

  4074.             fi

  4075.         ;;

  4076.     esac

  4077. done

  4078. 

  4079. for e in $env; do

  4080.     eval "export $e"

  4081. done

  4082. 

  4083. if disabled autodetect; then

  4084. 

  4085.     # Unless iconv is explicitely disabled by the user, we still want to probe

  4086.     # for the iconv from the libc.

  4087.     disabled iconv || enable libc_iconv

  4088. 

  4089.     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  4090.     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  4091. fi

  4092. # Mark specifically enabled, but normally autodetected libraries as requested.

  4093. for lib in $AUTODETECT_LIBS; do

  4094.     enabled $lib && request $lib

  4095. done

  4096. #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way

  4097. enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  4098. enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  4099. 

  4100. disabled logging && logfile=/dev/null

  4101. 

  4102. # command line configuration sanity checks

  4103. 

  4104. # we need to build at least one lib type

  4105. if ! enabled_any static shared; then

  4106.     cat <<EOF

  4107. At least one library type must be built.

  4108. Specify --enable-static to build the static libraries or --enable-shared to

  4109. build the shared libraries as well. To only build the shared libraries specify

  4110. --disable-static in addition to --enable-shared.

  4111. EOF

  4112.     exit 1

  4113. fi

  4114. 

  4115. die_license_disabled() {

  4116.     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }

  4117. }

  4118. 

  4119. die_license_disabled_gpl() {

  4120.     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }

  4121. }

  4122. 

  4123. map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  4124. map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  4125. 

  4126. enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST

  4127. map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST

  4128. 

  4129. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4130. 

  4131. if enabled nonfree; then

  4132.     license="nonfree and unredistributable"

  4133. elif enabled gplv3; then

  4134.     license="GPL version 3 or later"

  4135. elif enabled lgplv3; then

  4136.     license="LGPL version 3 or later"

  4137. elif enabled gpl; then

  4138.     license="GPL version 2 or later"

  4139. else

  4140.     license="LGPL version 2.1 or later"

  4141. fi

  4142. 

  4143. enabled_all gnutls openssl &&

  4144.     die "GnuTLS and OpenSSL must not be enabled at the same time."

  4145. 

  4146. enabled_all gnutls mbedtls &&

  4147.     die "GnuTLS and mbedTLS must not be enabled at the same time."

  4148. 

  4149. enabled_all openssl mbedtls &&

  4150.     die "OpenSSL and mbedTLS must not be enabled at the same time."

  4151. 

  4152. # Disable all the library-specific components if the library itself

  4153. # is disabled, see AVCODEC_LIST and following _LIST variables.

  4154. 

  4155. disable_components(){

  4156.     disabled ${1} && disable $(

  4157.         eval components="\$$(toupper ${1})_COMPONENTS"

  4158.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  4159.     )

  4160. }

  4161. 

  4162. map 'disable_components $v' $LIBRARY_LIST

  4163. 

  4164. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  4165. set >> $logfile

  4166. 

  4167. test -n "$valgrind" && toolchain="valgrind-memcheck"

  4168. 

  4169. enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize="  && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{

  4170.     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer

  4171.     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp

  4172. }

  4173. 

  4174. case "$toolchain" in

  4175.     *-asan)

  4176.         cc_default="${toolchain%-asan}"

  4177.         add_cflags  -fsanitize=address

  4178.         add_ldflags -fsanitize=address

  4179.     ;;

  4180.     *-msan)

  4181.         cc_default="${toolchain%-msan}"

  4182.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  4183.         add_ldflags -fsanitize=memory

  4184.     ;;

  4185.     *-tsan)

  4186.         cc_default="${toolchain%-tsan}"

  4187.         add_cflags  -fsanitize=thread

  4188.         add_ldflags -fsanitize=thread

  4189.         case "$toolchain" in

  4190.             gcc-tsan)

  4191.                 add_cflags  -fPIC

  4192.                 add_ldflags -fPIC

  4193.                 ;;

  4194.         esac

  4195.     ;;

  4196.     *-usan)

  4197.         cc_default="${toolchain%-usan}"

  4198.         add_cflags  -fsanitize=undefined

  4199.         add_ldflags -fsanitize=undefined

  4200.     ;;

  4201.     valgrind-*)

  4202.         target_exec_default="valgrind"

  4203.         case "$toolchain" in

  4204.             valgrind-massif)

  4205.                 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"

  4206.                 ;;

  4207.             valgrind-memcheck)

  4208.                 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"

  4209.                 ;;

  4210.         esac

  4211.     ;;

  4212.     msvc)

  4213.         # Check whether the current MSVC version needs the C99 converter.

  4214.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  4215.         # support enough of C99 to build ffmpeg. Default to the new

  4216.         # behaviour if the regexp was unable to match anything, since this

  4217.         # successfully parses the version number of existing supported

  4218.         # versions that require the converter (MSVC 2010 and 2012).

  4219.         cl_major_ver=$(cl.exe 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  4220.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  4221.             cc_default="cl.exe"

  4222.             cxx_default="cl.exe"

  4223.         else

  4224.             die "Unsupported MSVC version (2013 or newer required)"

  4225.         fi

  4226.         ld_default="$source_path/compat/windows/mslink"

  4227.         nm_default="dumpbin.exe -symbols"

  4228.         ar_default="lib.exe"

  4229.         case "$arch" in

  4230.         aarch64|arm64)

  4231.             as_default="armasm64.exe"

  4232.             ;;

  4233.         arm*)

  4234.             as_default="armasm.exe"

  4235.             ;;

  4236.         esac

  4237.         target_os_default="win32"

  4238.         # Use a relative path for TMPDIR. This makes sure all the

  4239.         # ffconf temp files are written with a relative path, avoiding

  4240.         # issues with msys/win32 path conversion for MSVC parameters

  4241.         # such as -Fo<file> or -out:<file>.

  4242.         TMPDIR=.

  4243.     ;;

  4244.     icl)

  4245.         cc_default="icl"

  4246.         ld_default="xilink"

  4247.         nm_default="dumpbin -symbols"

  4248.         ar_default="xilib"

  4249.         target_os_default="win32"

  4250.         TMPDIR=.

  4251.     ;;

  4252.     gcov)

  4253.         add_cflags  -fprofile-arcs -ftest-coverage

  4254.         add_ldflags -fprofile-arcs -ftest-coverage

  4255.     ;;

  4256.     llvm-cov)

  4257.         add_cflags -fprofile-arcs -ftest-coverage

  4258.         add_ldflags --coverage

  4259.     ;;

  4260.     hardened)

  4261.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  4262.         add_cflags   -fno-strict-overflow -fstack-protector-all

  4263.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  4264.         add_cflags   -fPIE

  4265.         add_ldexeflags -fPIE -pie

  4266.     ;;

  4267.     ?*)

  4268.         die "Unknown toolchain $toolchain"

  4269.     ;;

  4270. esac

  4271. 

  4272. if test -n "$cross_prefix"; then

  4273.     test -n "$arch" && test -n "$target_os" ||

  4274.         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"

  4275.     enable cross_compile

  4276. fi

  4277. 

  4278. set_default target_os

  4279. if test "$target_os" = android; then

  4280.     cc_default="clang"

  4281. fi

  4282. 

  4283. ar_default="${cross_prefix}${ar_default}"

  4284. cc_default="${cross_prefix}${cc_default}"

  4285. cxx_default="${cross_prefix}${cxx_default}"

  4286. nm_default="${cross_prefix}${nm_default}"

  4287. pkg_config_default="${cross_prefix}${pkg_config_default}"

  4288. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  4289.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  4290. else

  4291.     ranlib_default="${cross_prefix}${ranlib_default}"

  4292. fi

  4293. strip_default="${cross_prefix}${strip_default}"

  4294. windres_default="${cross_prefix}${windres_default}"

  4295. 

  4296. sysinclude_default="${sysroot}/usr/include"

  4297. 

  4298. if enabled cuda_sdk; then

  4299.     warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead."

  4300.     enable cuda_nvcc

  4301. fi

  4302. 

  4303. if enabled cuda_nvcc; then

  4304.     nvcc_default="nvcc"

  4305.     nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"

  4306. else

  4307.     nvcc_default="clang"

  4308.     nvccflags_default="--cuda-gpu-arch=sm_30 -O2"

  4309.     NVCC_C=""

  4310. fi

  4311. 

  4312. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  4313.     target_exec x86asmexe nvcc

  4314. enabled cross_compile || host_cc_default=$cc

  4315. set_default host_cc

  4316. 

  4317. pkg_config_fail_message=""

  4318. if ! $pkg_config --version >/dev/null 2>&1; then

  4319.     warn "$pkg_config not found, library detection may fail."

  4320.     pkg_config=false

  4321. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  4322.     pkg_config_fail_message="

  4323. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  4324. fi

  4325. 

  4326. if test $doxygen != $doxygen_default && \

  4327.   ! $doxygen --version >/dev/null 2>&1; then

  4328.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  4329. fi

  4330. 

  4331. exesuf() {

  4332.     case $1 in

  4333.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  4334.     esac

  4335. }

  4336. 

  4337. EXESUF=$(exesuf $target_os)

  4338. HOSTEXESUF=$(exesuf $host_os)

  4339. 

  4340. # set temporary file name

  4341. : ${TMPDIR:=$TEMPDIR}

  4342. : ${TMPDIR:=$TMP}

  4343. : ${TMPDIR:=/tmp}

  4344. 

  4345. if [ -n "$tempprefix" ] ; then

  4346.     mktemp(){

  4347.         tmpname="$tempprefix.${HOSTNAME}.${UID}"

  4348.         echo "$tmpname"

  4349.         mkdir "$tmpname"

  4350.     }

  4351. elif ! test_cmd mktemp -u XXXXXX; then

  4352.     # simple replacement for missing mktemp

  4353.     # NOT SAFE FOR GENERAL USE

  4354.     mktemp(){

  4355.         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  4356.         echo "$tmpname"

  4357.         mkdir "$tmpname"

  4358.     }

  4359. fi

  4360. 

  4361. FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||

  4362.     die "Unable to create temporary directory in $TMPDIR."

  4363. 

  4364. tmpfile(){

  4365.     tmp="${FFTMPDIR}/test"$2

  4366.     (set -C; exec > $tmp) 2> /dev/null ||

  4367.         die "Unable to create temporary file in $FFTMPDIR."

  4368.     eval $1=$tmp

  4369. }

  4370. 

  4371. trap 'rm -rf -- "$FFTMPDIR"' EXIT

  4372. trap 'exit 2' INT

  4373. 

  4374. tmpfile TMPASM .asm

  4375. tmpfile TMPC   .c

  4376. tmpfile TMPCPP .cpp

  4377. tmpfile TMPE   $EXESUF

  4378. tmpfile TMPH   .h

  4379. tmpfile TMPM   .m

  4380. tmpfile TMPCU  .cu

  4381. tmpfile TMPO   .o

  4382. tmpfile TMPS   .S

  4383. tmpfile TMPSH  .sh

  4384. tmpfile TMPV   .ver

  4385. 

  4386. unset -f mktemp

  4387. 

  4388. chmod +x $TMPE

  4389. 

  4390. # make sure we can execute files in $TMPDIR

  4391. cat > $TMPSH 2>> $logfile <<EOF

  4392. #! /bin/sh

  4393. EOF

  4394. chmod +x $TMPSH >> $logfile 2>&1

  4395. if ! $TMPSH >> $logfile 2>&1; then

  4396.     cat <<EOF

  4397. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  4398. variable to another directory and make sure that it is not mounted noexec.

  4399. EOF

  4400.     die "Sanity test failed."

  4401. fi

  4402. 

  4403. armasm_flags(){

  4404.     for flag; do

  4405.         case $flag in

  4406.             # Filter out MSVC cl.exe options from cflags that shouldn't

  4407.             # be passed to gas-preprocessor

  4408.             -M[TD]*)                                            ;;

  4409.             *)                  echo $flag                      ;;

  4410.         esac

  4411.    done

  4412. }

  4413. 

  4414. cparser_flags(){

  4415.     for flag; do

  4416.         case $flag in

  4417.             -Wno-switch)             echo -Wno-switch-enum ;;

  4418.             -Wno-format-zero-length) ;;

  4419.             -Wdisabled-optimization) ;;

  4420.             -Wno-pointer-sign)       echo -Wno-other ;;

  4421.             *)                       echo $flag ;;

  4422.         esac

  4423.     done

  4424. }

  4425. 

  4426. msvc_common_flags(){

  4427.     for flag; do

  4428.         case $flag in

  4429.             # In addition to specifying certain flags under the compiler

  4430.             # specific filters, they must be specified here as well or else the

  4431.             # generic catch all at the bottom will print the original flag.

  4432.             -Wall)                ;;

  4433.             -Wextra)              ;;

  4434.             -std=c*)              ;;

  4435.             # Common flags

  4436.             -fomit-frame-pointer) ;;

  4437.             -g)                   echo -Z7 ;;

  4438.             -fno-math-errno)      ;;

  4439.             -fno-common)          ;;

  4440.             -fno-signed-zeros)    ;;

  4441.             -fPIC)                ;;

  4442.             -mthumb)              ;;

  4443.             -march=*)             ;;

  4444.             -lz)                  echo zlib.lib ;;

  4445.             -lx264)               echo libx264.lib ;;

  4446.             -lstdc++)             ;;

  4447.             -l*)                  echo ${flag#-l}.lib ;;

  4448.             -LARGEADDRESSAWARE)   echo $flag ;;

  4449.             -L*)                  echo -libpath:${flag#-L} ;;

  4450.             -Wl,*)                ;;

  4451.             *)                    echo $flag ;;

  4452.         esac

  4453.     done

  4454. }

  4455. 

  4456. msvc_flags(){

  4457.     msvc_common_flags "$@"

  4458.     for flag; do

  4459.         case $flag in

  4460.             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \

  4461.                                        -wd4554 ;;

  4462.             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  4463.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  4464.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  4465.                                        -wd4307 \

  4466.                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;

  4467.         esac

  4468.     done

  4469. }

  4470. 

  4471. icl_flags(){

  4472.     msvc_common_flags "$@"

  4473.     for flag; do

  4474.         case $flag in

  4475.             # Despite what Intel's documentation says -Wall, which is supported

  4476.             # on Windows, does enable remarks so disable them here.

  4477.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  4478.             -std=c99)             echo -Qstd=c99 ;;

  4479.             -flto)                echo -ipo ;;

  4480.         esac

  4481.     done

  4482. }

  4483. 

  4484. icc_flags(){

  4485.     for flag; do

  4486.         case $flag in

  4487.             -flto)                echo -ipo ;;

  4488.             *)                    echo $flag ;;

  4489.         esac

  4490.     done

  4491. }

  4492. 

  4493. suncc_flags(){

  4494.     for flag; do

  4495.         case $flag in

  4496.             -march=*|-mcpu=*)

  4497.                 case "${flag#*=}" in

  4498.                     native)                   echo -xtarget=native       ;;

  4499.                     v9|niagara)               echo -xarch=sparc          ;;

  4500.                     ultrasparc)               echo -xarch=sparcvis       ;;

  4501.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  4502.                     i586|pentium)             echo -xchip=pentium        ;;

  4503.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  4504.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  4505.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  4506.                     pentium4*)          echo -xtarget=pentium4           ;;

  4507.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  4508.                     *-sse3)             echo -xarch=sse3                 ;;

  4509.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  4510.                     bonnell)                   echo -xarch=ssse3         ;;

  4511.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  4512.                     westmere)                  echo -xtarget=westmere    ;;

  4513.                     silvermont)                echo -xarch=sse4_2        ;;

  4514.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  4515.                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)

  4516.                                                echo -xarch=avx           ;;

  4517.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  4518.                     btver1)                    echo -xarch=amdsse4a      ;;

  4519.                     btver2|bdver*|znver*)      echo -xarch=avx           ;;

  4520.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  4521.                     k8|opteron|athlon64|athlon-fx)

  4522.                                                echo -xarch=sse2a         ;;

  4523.                     athlon*)                   echo -xarch=pentium_proa  ;;

  4524.                 esac

  4525.                 ;;

  4526.             -std=c99)             echo -xc99              ;;

  4527.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  4528.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  4529.             -W*,*)                echo $flag              ;;

  4530.             -f*-*|-W*|-mimpure-text)                      ;;

  4531.             -shared)              echo -G                 ;;

  4532.             *)                    echo $flag              ;;

  4533.         esac

  4534.     done

  4535. }

  4536. 

  4537. probe_cc(){

  4538.     pfx=$1

  4539.     _cc=$2

  4540.     first=$3

  4541. 

  4542.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  4543.     unset _ld_o _ldflags _ld_lib _ld_path

  4544.     unset _depflags _DEPCMD _DEPFLAGS

  4545.     _flags_filter=echo

  4546. 

  4547.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  4548.         true # no-op to avoid reading stdin in following checks

  4549.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  4550.         _type=llvm_gcc

  4551.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  4552.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  4553.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4554.         _cflags_speed='-O3'

  4555.         _cflags_size='-Os'

  4556.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  4557.         _type=gcc

  4558.         gcc_version=$($_cc --version | head -n1)

  4559.         gcc_basever=$($_cc -dumpversion)

  4560.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  4561.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  4562.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  4563.         case $gcc_basever in

  4564.             2) ;;

  4565.             2.*) ;;

  4566.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  4567.         esac

  4568.         if [ "$first" = true ]; then

  4569.             case $gcc_basever in

  4570.                 4.2*)

  4571.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  4572.             esac

  4573.         fi

  4574.         _cflags_speed='-O3'

  4575.         _cflags_size='-Os'

  4576.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  4577.         _type=icc

  4578.         _ident=$($_cc --version | head -n1)

  4579.         _depflags='-MMD'

  4580.         _cflags_speed='-O3'

  4581.         _cflags_size='-Os'

  4582.         _cflags_noopt='-O1'

  4583.         _flags_filter=icc_flags

  4584.     elif $_cc -v 2>&1 | grep -q xlc; then

  4585.         _type=xlc

  4586.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  4587.         _cflags_speed='-O5'

  4588.         _cflags_size='-O5 -qcompact'

  4589.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  4590.         test -d "$sysroot" || die "No valid sysroot specified."

  4591.         _type=armcc

  4592.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  4593.         armcc_conf="$PWD/armcc.conf"

  4594.         $_cc --arm_linux_configure                 \

  4595.              --arm_linux_config_file="$armcc_conf" \

  4596.              --configure_sysroot="$sysroot"        \

  4597.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  4598.              die "Error creating armcc configuration file."

  4599.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  4600.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  4601.         as_default="${cross_prefix}gcc"

  4602.         _depflags='-MMD'

  4603.         _cflags_speed='-O3'

  4604.         _cflags_size='-Os'

  4605.     elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then

  4606.         _type=clang

  4607.         _ident=$($_cc --version 2>/dev/null | head -n1)

  4608.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4609.         _cflags_speed='-O3'

  4610.         _cflags_size='-Oz'

  4611.     elif $_cc -V 2>&1 | grep -q Sun; then

  4612.         _type=suncc

  4613.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  4614.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  4615.         _DEPFLAGS='-xM1 -xc99'

  4616.         _ldflags='-std=c99'

  4617.         _cflags_speed='-O5'

  4618.         _cflags_size='-O5 -xspace'

  4619.         _flags_filter=suncc_flags

  4620.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  4621.         _type=pathscale

  4622.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4623.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4624.         _cflags_speed='-O2'

  4625.         _cflags_size='-Os'

  4626.         _flags_filter='filter_out -Wdisabled-optimization'

  4627.     elif $_cc -v 2>&1 | grep -q Open64; then

  4628.         _type=open64

  4629.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4630.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4631.         _cflags_speed='-O2'

  4632.         _cflags_size='-Os'

  4633.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  4634.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  4635.         _type=armasm

  4636.         _ident=$($_cc | head -n1)

  4637.         # 4509: "This form of conditional instruction is deprecated"

  4638.         _flags="-nologo -ignore 4509"

  4639.         _flags_filter=armasm_flags

  4640.     elif $_cc 2>&1 | grep -q Intel; then

  4641.         _type=icl

  4642.         _ident=$($_cc 2>&1 | head -n1)

  4643.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  4644.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  4645.         # versions (tested) as well.

  4646.         _cflags_speed="-O2"

  4647.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  4648.         if $_cc 2>&1 | grep -q Linker; then

  4649.             _ld_o='-out:$@'

  4650.         else

  4651.             _ld_o='-Fe$@'

  4652.         fi

  4653.         _cc_o='-Fo$@'

  4654.         _cc_e='-P'

  4655.         _flags_filter=icl_flags

  4656.         _ld_lib='lib%.a'

  4657.         _ld_path='-libpath:'

  4658.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  4659.         _flags='-nologo -Qdiag-error:4044,10157'

  4660.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  4661.         # with MSVC which enables it by default.

  4662.         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  4663.         disable stripping

  4664.     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then

  4665.         # lld can emulate multiple different linkers; in ms link.exe mode,

  4666.         # the -? parameter gives the help output which contains an identifyable

  4667.         # string, while it gives an error in other modes.

  4668.         _type=lld-link

  4669.         # The link.exe mode doesn't have a switch for getting the version,

  4670.         # but we can force it back to gnu mode and get the version from there.

  4671.         _ident=$($_cc -flavor gnu --version 2>/dev/null)

  4672.         _ld_o='-out:$@'

  4673.         _flags_filter=msvc_flags

  4674.         _ld_lib='lib%.a'

  4675.         _ld_path='-libpath:'

  4676.     elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then

  4677.         _type=msvc

  4678.         if $_cc -nologo- 2>&1 | grep -q Microsoft; then

  4679.             _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')

  4680.         else

  4681.             _ident=$($_cc --version 2>/dev/null | head -n1 | tr -d '\r')

  4682.         fi

  4683.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  4684.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  4685.         _cflags_speed="-O2"

  4686.         _cflags_size="-O1"

  4687.         _cflags_noopt="-O1"

  4688.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4689.             _ld_o='-out:$@'

  4690.         else

  4691.             _ld_o='-Fe$@'

  4692.         fi

  4693.         _cc_o='-Fo$@'

  4694.         _cc_e='-P -Fi$@'

  4695.         _flags_filter=msvc_flags

  4696.         _ld_lib='lib%.a'

  4697.         _ld_path='-libpath:'

  4698.         _flags='-nologo'

  4699.         disable stripping

  4700.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4701.         _type=cparser

  4702.         _ident=$($_cc --version | head -n1)

  4703.         _depflags='-MMD'

  4704.         _cflags_speed='-O4'

  4705.         _cflags_size='-O2'

  4706.         _flags_filter=cparser_flags

  4707.     fi

  4708. 

  4709.     eval ${pfx}_type=\$_type

  4710.     eval ${pfx}_ident=\$_ident

  4711. }

  4712. 

  4713. set_ccvars(){

  4714.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4715.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4716.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4717. 

  4718.     if [ -n "$_depflags" ]; then

  4719.         eval ${1}_DEPFLAGS=\$_depflags

  4720.     else

  4721.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4722.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4723.         eval DEP${1}FLAGS=\$_flags

  4724.     fi

  4725. }

  4726. 

  4727. probe_cc cc "$cc" "true"

  4728. cflags_filter=$_flags_filter

  4729. cflags_speed=$_cflags_speed

  4730. cflags_size=$_cflags_size

  4731. cflags_noopt=$_cflags_noopt

  4732. add_cflags $_flags $_cflags

  4733. cc_ldflags=$_ldflags

  4734. set_ccvars CC

  4735. set_ccvars CXX

  4736. 

  4737. probe_cc hostcc "$host_cc"

  4738. host_cflags_filter=$_flags_filter

  4739. host_cflags_speed=$_cflags_speed

  4740. add_host_cflags  $_flags $_cflags

  4741. set_ccvars HOSTCC

  4742. 

  4743. test -n "$cc_type" && enable $cc_type ||

  4744.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4745. 

  4746. : ${as_default:=$cc}

  4747. : ${objcc_default:=$cc}

  4748. : ${dep_cc_default:=$cc}

  4749. : ${ld_default:=$cc}

  4750. : ${host_ld_default:=$host_cc}

  4751. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4752. 

  4753. probe_cc as "$as"

  4754. asflags_filter=$_flags_filter

  4755. add_asflags $_flags $_cflags

  4756. set_ccvars AS

  4757. 

  4758. probe_cc objcc "$objcc"

  4759. objcflags_filter=$_flags_filter

  4760. add_objcflags $_flags $_cflags

  4761. set_ccvars OBJC

  4762. 

  4763. probe_cc ld "$ld"

  4764. ldflags_filter=$_flags_filter

  4765. add_ldflags $_flags $_ldflags

  4766. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4767. LD_O=${_ld_o-$LD_O}

  4768. LD_LIB=${_ld_lib-$LD_LIB}

  4769. LD_PATH=${_ld_path-$LD_PATH}

  4770. 

  4771. probe_cc hostld "$host_ld"

  4772. host_ldflags_filter=$_flags_filter

  4773. add_host_ldflags $_flags $_ldflags

  4774. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4775. 

  4776. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4777.     probe_cc depcc "$dep_cc"

  4778.     CCDEP=${_DEPCMD:-$DEPCMD}

  4779.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4780.     DEPCCFLAGS=$_flags

  4781. fi

  4782. 

  4783. if $ar 2>&1 | grep -q Microsoft; then

  4784.     arflags="-nologo"

  4785.     ar_o='-out:$@'

  4786. elif $ar 2>&1 | grep -q "\[D\] "; then

  4787.     arflags="rcD"

  4788.     ar_o='$@'

  4789. else

  4790.     arflags="rc"

  4791.     ar_o='$@'

  4792. fi

  4793. 

  4794. add_cflags $extra_cflags

  4795. add_cxxflags $extra_cxxflags

  4796. add_objcflags $extra_objcflags

  4797. add_asflags $extra_cflags

  4798. 

  4799. if test -n "$sysroot"; then

  4800.     case "$cc_type" in

  4801.         gcc|llvm_gcc|clang)

  4802.             add_cppflags --sysroot="$sysroot"

  4803.             add_ldflags --sysroot="$sysroot"

  4804.         ;;

  4805.     esac

  4806. fi

  4807. 

  4808. if test "$cpu" = host; then

  4809.     enabled cross_compile &&

  4810.         warn "--cpu=host makes no sense when cross-compiling."

  4811. 

  4812.     case "$cc_type" in

  4813.         gcc|llvm_gcc)

  4814.             check_native(){

  4815.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4816.                 sed -n "/cc1.*$1=/{

  4817.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4818.                             p

  4819.                             q

  4820.                         }" $TMPE

  4821.             }

  4822.             cpu=$(check_native -march || check_native -mcpu)

  4823.         ;;

  4824.         clang)

  4825.             check_native(){

  4826.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4827.                 sed -n "/cc1.*-target-cpu /{

  4828.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4829.                             p

  4830.                             q

  4831.                         }" $TMPE

  4832.             }

  4833.             cpu=$(check_native -march)

  4834.         ;;

  4835.     esac

  4836. 

  4837.     test "${cpu:-host}" = host &&

  4838.         die "--cpu=host not supported with compiler $cc"

  4839. fi

  4840. 

  4841. # Deal with common $arch aliases

  4842. case "$arch" in

  4843.     aarch64|arm64)

  4844.         arch="aarch64"

  4845.     ;;

  4846.     arm*|iPad*|iPhone*)

  4847.         arch="arm"

  4848.     ;;

  4849.     mips*|IP*)

  4850.         case "$arch" in

  4851.         *el)

  4852.             add_cppflags -EL

  4853.             add_ldflags -EL

  4854.         ;;

  4855.         *eb)

  4856.             add_cppflags -EB

  4857.             add_ldflags -EB

  4858.         ;;

  4859.         esac

  4860.         arch="mips"

  4861.     ;;

  4862.     parisc*|hppa*)

  4863.         arch="parisc"

  4864.     ;;

  4865.     "Power Macintosh"|ppc*|powerpc*)

  4866.         arch="ppc"

  4867.     ;;

  4868.     s390|s390x)

  4869.         arch="s390"

  4870.     ;;

  4871.     sh4|sh)

  4872.         arch="sh4"

  4873.     ;;

  4874.     sun4*|sparc*)

  4875.         arch="sparc"

  4876.     ;;

  4877.     tilegx|tile-gx)

  4878.         arch="tilegx"

  4879.     ;;

  4880.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4881.         arch="x86"

  4882.     ;;

  4883. esac

  4884. 

  4885. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4886. enable $arch

  4887. 

  4888. # Add processor-specific flags

  4889. if enabled aarch64; then

  4890. 

  4891.     case $cpu in

  4892.         armv*)

  4893.             cpuflags="-march=$cpu"

  4894.         ;;

  4895.         *)

  4896.             cpuflags="-mcpu=$cpu"

  4897.         ;;

  4898.     esac

  4899. 

  4900. elif enabled alpha; then

  4901. 

  4902.     cpuflags="-mcpu=$cpu"

  4903. 

  4904. elif enabled arm; then

  4905. 

  4906.     check_arm_arch() {

  4907.         test_cpp_condition stddef.h \

  4908.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4909.             $cpuflags

  4910.     }

  4911. 

  4912.     probe_arm_arch() {

  4913.         if   check_arm_arch 4;        then echo armv4

  4914.         elif check_arm_arch 4T;       then echo armv4t

  4915.         elif check_arm_arch 5;        then echo armv5

  4916.         elif check_arm_arch 5E;       then echo armv5e

  4917.         elif check_arm_arch 5T;       then echo armv5t

  4918.         elif check_arm_arch 5TE;      then echo armv5te

  4919.         elif check_arm_arch 5TEJ;     then echo armv5te

  4920.         elif check_arm_arch 6;        then echo armv6

  4921.         elif check_arm_arch 6J;       then echo armv6j

  4922.         elif check_arm_arch 6K;       then echo armv6k

  4923.         elif check_arm_arch 6Z;       then echo armv6z

  4924.         elif check_arm_arch 6KZ;      then echo armv6zk

  4925.         elif check_arm_arch 6ZK;      then echo armv6zk

  4926.         elif check_arm_arch 6T2;      then echo armv6t2

  4927.         elif check_arm_arch 7;        then echo armv7

  4928.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4929.         elif check_arm_arch 7S;       then echo armv7-a

  4930.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4931.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4932.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4933.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4934.         fi

  4935.     }

  4936. 

  4937.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4938. 

  4939.     case $cpu in

  4940.         armv*)

  4941.             cpuflags="-march=$cpu"

  4942.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4943.         ;;

  4944.         *)

  4945.             cpuflags="-mcpu=$cpu"

  4946.             case $cpu in

  4947.                 cortex-a*)                               subarch=armv7a  ;;

  4948.                 cortex-r*)                               subarch=armv7r  ;;

  4949.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4950.                 arm11*)                                  subarch=armv6   ;;

  4951.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4952.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4953.                 *)                             subarch=$(probe_arm_arch) ;;

  4954.             esac

  4955.         ;;

  4956.     esac

  4957. 

  4958.     case "$subarch" in

  4959.         armv5t*)    enable fast_clz                ;;

  4960.         armv[6-8]*)

  4961.             enable fast_clz

  4962.             disabled fast_unaligned || enable fast_unaligned

  4963.             ;;

  4964.     esac

  4965. 

  4966. elif enabled avr32; then

  4967. 

  4968.     case $cpu in

  4969.         ap7[02]0[0-2])

  4970.             subarch="avr32_ap"

  4971.             cpuflags="-mpart=$cpu"

  4972.         ;;

  4973.         ap)

  4974.             subarch="avr32_ap"

  4975.             cpuflags="-march=$cpu"

  4976.         ;;

  4977.         uc3[ab]*)

  4978.             subarch="avr32_uc"

  4979.             cpuflags="-mcpu=$cpu"

  4980.         ;;

  4981.         uc)

  4982.             subarch="avr32_uc"

  4983.             cpuflags="-march=$cpu"

  4984.         ;;

  4985.     esac

  4986. 

  4987. elif enabled bfin; then

  4988. 

  4989.     cpuflags="-mcpu=$cpu"

  4990. 

  4991. elif enabled mips; then

  4992. 

  4993.     cpuflags="-march=$cpu"

  4994. 

  4995.     if [ "$cpu" != "generic" ]; then

  4996.         disable mips32r2

  4997.         disable mips32r5

  4998.         disable mips64r2

  4999.         disable mips32r6

  5000.         disable mips64r6

  5001.         disable loongson2

  5002.         disable loongson3

  5003. 

  5004.         case $cpu in

  5005.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  5006.                 enable mips32r2

  5007.                 disable msa

  5008.             ;;

  5009.             p5600|i6400|p6600)

  5010.                 disable mipsdsp

  5011.                 disable mipsdspr2

  5012.             ;;

  5013.             loongson*)

  5014.                 enable loongson2

  5015.                 enable loongson3

  5016.                 enable local_aligned

  5017.                 enable simd_align_16

  5018.                 enable fast_64bit

  5019.                 enable fast_clz

  5020.                 enable fast_cmov

  5021.                 enable fast_unaligned

  5022.                 disable aligned_stack

  5023.                 disable mipsdsp

  5024.                 disable mipsdspr2

  5025.                 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.

  5026.                 if [ $cc == gcc ]; then

  5027.                     gcc_version=$(gcc -dumpversion)

  5028.                     if [ "$(echo "$gcc_version 5.3.0" | tr " " "\n" | sort -rV | head -n 1)" == "$gcc_version" ]; then

  5029.                         expensive_optimization_flag=""

  5030.                     else

  5031.                         expensive_optimization_flag="-fno-expensive-optimizations"

  5032.                     fi

  5033.                 fi

  5034.                 case $cpu in

  5035.                     loongson3*)

  5036.                         cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag"

  5037.                     ;;

  5038.                     loongson2e)

  5039.                         cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag"

  5040.                     ;;

  5041.                     loongson2f)

  5042.                         cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag"

  5043.                     ;;

  5044.                 esac

  5045.             ;;

  5046.             *)

  5047.                 # Unknown CPU. Disable everything.

  5048.                 warn "unknown CPU. Disabling all MIPS optimizations."

  5049.                 disable mipsfpu

  5050.                 disable mipsdsp

  5051.                 disable mipsdspr2

  5052.                 disable msa

  5053.                 disable mmi

  5054.             ;;

  5055.         esac

  5056. 

  5057.         case $cpu in

  5058.             24kc)

  5059.                 disable mipsfpu

  5060.                 disable mipsdsp

  5061.                 disable mipsdspr2

  5062.             ;;

  5063.             24kf*)

  5064.                 disable mipsdsp

  5065.                 disable mipsdspr2

  5066.             ;;

  5067.             24kec|34kc|1004kc)

  5068.                 disable mipsfpu

  5069.                 disable mipsdspr2

  5070.             ;;

  5071.             24kef*|34kf*|1004kf*)

  5072.                 disable mipsdspr2

  5073.             ;;

  5074.             74kc)

  5075.                 disable mipsfpu

  5076.             ;;

  5077.             p5600)

  5078.                 enable mips32r5

  5079.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  5080.             ;;

  5081.             i6400)

  5082.                 enable mips64r6

  5083.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  5084.             ;;

  5085.             p6600)

  5086.                 enable mips64r6

  5087.                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  5088.             ;;

  5089.         esac

  5090.     else

  5091.         # We do not disable anything. Is up to the user to disable the unwanted features.

  5092.         warn 'generic cpu selected'

  5093.     fi

  5094. 

  5095. elif enabled ppc; then

  5096. 

  5097.     disable ldbrx

  5098. 

  5099.     case $(tolower $cpu) in

  5100.         601|ppc601|powerpc601)

  5101.             cpuflags="-mcpu=601"

  5102.             disable altivec

  5103.         ;;

  5104.         603*|ppc603*|powerpc603*)

  5105.             cpuflags="-mcpu=603"

  5106.             disable altivec

  5107.         ;;

  5108.         604*|ppc604*|powerpc604*)

  5109.             cpuflags="-mcpu=604"

  5110.             disable altivec

  5111.         ;;

  5112.         g3|75*|ppc75*|powerpc75*)

  5113.             cpuflags="-mcpu=750"

  5114.             disable altivec

  5115.         ;;

  5116.         g4|745*|ppc745*|powerpc745*)

  5117.             cpuflags="-mcpu=7450"

  5118.             disable vsx

  5119.         ;;

  5120.         74*|ppc74*|powerpc74*)

  5121.             cpuflags="-mcpu=7400"

  5122.             disable vsx

  5123.         ;;

  5124.         g5|970|ppc970|powerpc970)

  5125.             cpuflags="-mcpu=970"

  5126.             disable vsx

  5127.         ;;

  5128.         power[3-6]*)

  5129.             cpuflags="-mcpu=$cpu"

  5130.             disable vsx

  5131.         ;;

  5132.         power[7-8]*)

  5133.             cpuflags="-mcpu=$cpu"

  5134.         ;;

  5135.         cell)

  5136.             cpuflags="-mcpu=cell"

  5137.             enable ldbrx

  5138.             disable vsx

  5139.         ;;

  5140.         e500mc)

  5141.             cpuflags="-mcpu=e500mc"

  5142.             disable altivec

  5143.         ;;

  5144.         e500v2)

  5145.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  5146.             disable altivec

  5147.             disable dcbzl

  5148.         ;;

  5149.         e500)

  5150.             cpuflags="-mcpu=8540 -mhard-float"

  5151.             disable altivec

  5152.             disable dcbzl

  5153.         ;;

  5154.     esac

  5155. 

  5156. elif enabled sparc; then

  5157. 

  5158.     case $cpu in

  5159.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  5160.             cpuflags="-mcpu=$cpu"

  5161.         ;;

  5162.         ultrasparc*|niagara[234])

  5163.             cpuflags="-mcpu=$cpu"

  5164.         ;;

  5165.     esac

  5166. 

  5167. elif enabled x86; then

  5168. 

  5169.     case $cpu in

  5170.         i[345]86|pentium)

  5171.             cpuflags="-march=$cpu"

  5172.             disable i686

  5173.             disable mmx

  5174.         ;;

  5175.         # targets that do NOT support nopl and conditional mov (cmov)

  5176.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  5177.             cpuflags="-march=$cpu"

  5178.             disable i686

  5179.         ;;

  5180.         # targets that do support nopl and conditional mov (cmov)

  5181.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  5182.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\

  5183.         |amdfam10|barcelona|b[dt]ver*|znver*)

  5184.             cpuflags="-march=$cpu"

  5185.             enable i686

  5186.             enable fast_cmov

  5187.         ;;

  5188.         # targets that do support conditional mov but on which it's slow

  5189.         pentium4|pentium4m|prescott|nocona)

  5190.             cpuflags="-march=$cpu"

  5191.             enable i686

  5192.             disable fast_cmov

  5193.         ;;

  5194.     esac

  5195. 

  5196. fi

  5197. 

  5198. if [ "$cpu" != generic ]; then

  5199.     add_cflags  $cpuflags

  5200.     add_asflags $cpuflags

  5201.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  5202. fi

  5203. 

  5204. # compiler sanity check

  5205. test_exec <<EOF

  5206. int main(void){ return 0; }

  5207. EOF

  5208. if test "$?" != 0; then

  5209.     echo "$cc is unable to create an executable file."

  5210.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  5211.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  5212.         echo "Only do this if you know what cross compiling means."

  5213.     fi

  5214.     die "C compiler test failed."

  5215. fi

  5216. 

  5217. add_cppflags -D_ISOC99_SOURCE

  5218. add_cxxflags -D__STDC_CONSTANT_MACROS

  5219. check_cxxflags -std=c++11 || check_cxxflags -std=c++0x

  5220. 

  5221. # some compilers silently accept -std=c11, so we also need to check that the

  5222. # version macro is defined properly

  5223. test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&

  5224.     add_cflags -std=c11 ||

  5225.     check_cflags -std=c99

  5226. 

  5227. check_cppflags -D_FILE_OFFSET_BITS=64

  5228. check_cppflags -D_LARGEFILE_SOURCE

  5229. 

  5230. add_host_cppflags -D_ISOC99_SOURCE

  5231. check_host_cflags -std=c99

  5232. check_host_cflags -Wall

  5233. check_host_cflags $host_cflags_speed

  5234. 

  5235. check_64bit(){

  5236.     arch32=$1

  5237.     arch64=$2

  5238.     expr=${3:-'sizeof(void *) > 4'}

  5239.     test_code cc "" "int test[2*($expr) - 1]" &&

  5240.         subarch=$arch64 || subarch=$arch32

  5241.     enable $subarch

  5242. }

  5243. 

  5244. case "$arch" in

  5245.     aarch64|alpha|ia64)

  5246.         enabled shared && enable_weak pic

  5247.     ;;

  5248.     mips)

  5249.         check_64bit mips mips64 '_MIPS_SIM > 1'

  5250.         enabled shared && enable_weak pic

  5251.     ;;

  5252.     parisc)

  5253.         check_64bit parisc parisc64

  5254.         enabled shared && enable_weak pic

  5255.     ;;

  5256.     ppc)

  5257.         check_64bit ppc ppc64

  5258.         enabled shared && enable_weak pic

  5259.     ;;

  5260.     s390)

  5261.         check_64bit s390 s390x

  5262.         enabled shared && enable_weak pic

  5263.     ;;

  5264.     sparc)

  5265.         check_64bit sparc sparc64

  5266.         enabled shared && enable_weak pic

  5267.     ;;

  5268.     x86)

  5269.         check_64bit x86_32 x86_64

  5270.         # Treat x32 as x64 for now. Note it also needs pic if shared

  5271.         test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&

  5272.             subarch=x86_64 && enable x86_64 && disable x86_32

  5273.         if enabled x86_64; then

  5274.             enabled shared && enable_weak pic

  5275.             objformat=elf64

  5276.         fi

  5277.     ;;

  5278. esac

  5279. 

  5280. # OS specific

  5281. case $target_os in

  5282.     aix)

  5283.         SHFLAGS=-shared

  5284.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  5285.         enabled shared && add_ldflags -Wl,-brtl

  5286.         arflags='-Xany -r -c'

  5287.         striptype=""

  5288.         ;;

  5289.     android)

  5290.         disable symver

  5291.         enable section_data_rel_ro

  5292.         add_cflags -fPIE

  5293.         add_ldexeflags -fPIE -pie

  5294.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  5295.         SLIB_INSTALL_LINKS=

  5296.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  5297.         ;;

  5298.     haiku)

  5299.         prefix_default="/boot/common"

  5300.         network_extralibs="-lnetwork"

  5301.         host_extralibs=

  5302.         ;;

  5303.     sunos)

  5304.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  5305.         enabled x86 && append SHFLAGS -mimpure-text

  5306.         network_extralibs="-lsocket -lnsl"

  5307.         add_cppflags -D__EXTENSIONS__

  5308.         # When using suncc to build, the Solaris linker will mark

  5309.         # an executable with each instruction set encountered by

  5310.         # the Solaris assembler.  As our libraries contain their own

  5311.         # guards for processor-specific code, instead suppress

  5312.         # generation of the HWCAPS ELF section on Solaris x86 only.

  5313.         enabled_all suncc x86 &&

  5314.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  5315.             add_ldflags -Wl,-M,mapfile

  5316.         nm_default='nm -P -g'

  5317.         striptype=""

  5318.         version_script='-M'

  5319.         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'

  5320.         ;;

  5321.     netbsd)

  5322.         disable symver

  5323.         oss_indev_extralibs="-lossaudio"

  5324.         oss_outdev_extralibs="-lossaudio"

  5325.         enabled gcc || check_ldflags -Wl,-zmuldefs

  5326.         ;;

  5327.     openbsd|bitrig)

  5328.         disable symver

  5329.         enable section_data_rel_ro

  5330.         striptype=""

  5331.         SHFLAGS='-shared'

  5332.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  5333.         SLIB_INSTALL_LINKS=

  5334.         oss_indev_extralibs="-lossaudio"

  5335.         oss_outdev_extralibs="-lossaudio"

  5336.         ;;

  5337.     dragonfly)

  5338.         disable symver

  5339.         ;;

  5340.     freebsd)

  5341.         ;;

  5342.     bsd/os)

  5343.         add_extralibs -lpoll -lgnugetopt

  5344.         strip="strip -d"

  5345.         ;;

  5346.     darwin)

  5347.         enabled ppc && add_asflags -force_cpusubtype_ALL

  5348.         install_name_dir_default='$(SHLIBDIR)'

  5349.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  5350.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  5351.         strip="${strip} -x"

  5352.         add_ldflags -Wl,-dynamic,-search_paths_first

  5353.         check_cflags -Werror=partial-availability

  5354.         SLIBSUF=".dylib"

  5355.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  5356.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  5357.         enabled x86_64 && objformat="macho64" || objformat="macho32"

  5358.         enabled_any pic shared x86_64 ||

  5359.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  5360.         check_headers dispatch/dispatch.h &&

  5361.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  5362.         if test -n "$sysroot"; then

  5363.             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot

  5364.             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot

  5365.         fi

  5366.         version_script='-exported_symbols_list'

  5367.         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'

  5368.         # Workaround for Xcode 11 -fstack-check bug

  5369.         if enabled clang; then

  5370.             clang_version=$($cc -dumpversion)

  5371.             test ${clang_version%%.*} -eq 11 && add_cflags -fno-stack-check

  5372.         fi

  5373.         ;;

  5374.     msys*)

  5375.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  5376.         ;;

  5377.     mingw32*|mingw64*)

  5378.         target_os=mingw32

  5379.         LIBTARGET=i386

  5380.         if enabled x86_64; then

  5381.             LIBTARGET="i386:x86-64"

  5382.         elif enabled arm; then

  5383.             LIBTARGET="arm"

  5384.         elif enabled aarch64; then

  5385.             LIBTARGET="arm64"

  5386.         fi

  5387.         if enabled shared; then

  5388.             # Cannot build both shared and static libs when using dllimport.

  5389.             disable static

  5390.         fi

  5391.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5392.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  5393.         shlibdir_default="$bindir_default"

  5394.         SLIBPREF=""

  5395.         SLIBSUF=".dll"

  5396.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5397.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5398.         if test_cmd lib.exe -list; then

  5399.             SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5400.             if enabled x86_64; then

  5401.                 LIBTARGET=x64

  5402.             fi

  5403.         else

  5404.             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  5405.         fi

  5406.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5407.         SLIB_INSTALL_LINKS=

  5408.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5409.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5410.         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)'

  5411.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'

  5412.         enabled x86_64 && objformat="win64" || objformat="win32"

  5413.         dlltool="${cross_prefix}dlltool"

  5414.         ranlib=:

  5415.         enable dos_paths

  5416.         check_ldflags -Wl,--nxcompat,--dynamicbase

  5417.         # Lets work around some stupidity in binutils.

  5418.         # ld will strip relocations from executables even though we need them

  5419.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  5420.         # however ld then forgets what the entry point should be (oops) so we

  5421.         # have to manually (re)set it.

  5422.         if enabled x86_32; then

  5423.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  5424.         elif enabled x86_64; then

  5425.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  5426.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  5427.             # Set image base >4GB for extra entropy with HEASLR

  5428.             add_ldexeflags -Wl,--image-base,0x140000000

  5429.             append SHFLAGS -Wl,--image-base,0x180000000

  5430.         fi

  5431.         ;;

  5432.     win32|win64)

  5433.         disable symver

  5434.         if enabled shared; then

  5435.             # Link to the import library instead of the normal static library

  5436.             # for shared libs.

  5437.             LD_LIB='%.lib'

  5438.             # Cannot build both shared and static libs with MSVC or icl.

  5439.             disable static

  5440.         fi

  5441.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  5442.         shlibdir_default="$bindir_default"

  5443.         SLIBPREF=""

  5444.         SLIBSUF=".dll"

  5445.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5446.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5447.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5448.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5449.         SLIB_INSTALL_LINKS=

  5450.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5451.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5452.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5453.         enabled x86_64 && objformat="win64" || objformat="win32"

  5454.         ranlib=:

  5455.         enable dos_paths

  5456.         ;;

  5457.     cygwin*)

  5458.         target_os=cygwin

  5459.         shlibdir_default="$bindir_default"

  5460.         SLIBPREF="cyg"

  5461.         SLIBSUF=".dll"

  5462.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5463.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5464.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5465.         SLIB_INSTALL_LINKS=

  5466.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  5467.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  5468.         enabled x86_64 && objformat="win64" || objformat="win32"

  5469.         enable dos_paths

  5470.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5471.         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5472.         ;;

  5473.     *-dos|freedos|opendos)

  5474.         network_extralibs="-lsocket"

  5475.         objformat="coff"

  5476.         enable dos_paths

  5477.         ;;

  5478.     linux)

  5479.         enable section_data_rel_ro

  5480.         enabled_any arm aarch64 && enable_weak linux_perf

  5481.         ;;

  5482.     irix*)

  5483.         target_os=irix

  5484.         ranlib="echo ignoring ranlib"

  5485.         ;;

  5486.     os/2*)

  5487.         strip="lxlite -CS"

  5488.         striptype=""

  5489.         objformat="aout"

  5490.         add_cppflags -D_GNU_SOURCE

  5491.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap

  5492.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  5493.         LIBSUF="_s.a"

  5494.         SLIBPREF=""

  5495.         SLIBSUF=".dll"

  5496.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5497.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  5498.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  5499.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  5500.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  5501.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  5502.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  5503.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  5504.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  5505.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5506.         SLIB_INSTALL_LINKS=

  5507.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  5508.         enable dos_paths

  5509.         enable_weak os2threads

  5510.         ;;

  5511.     gnu/kfreebsd)

  5512.         add_cppflags -D_BSD_SOURCE

  5513.         ;;

  5514.     gnu)

  5515.         ;;

  5516.     qnx)

  5517.         add_cppflags -D_QNX_SOURCE

  5518.         network_extralibs="-lsocket"

  5519.         ;;

  5520.     symbian)

  5521.         SLIBSUF=".dll"

  5522.         enable dos_paths

  5523.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  5524.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  5525.         add_ldflags -Wl,--target1-abs,--no-undefined \

  5526.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  5527.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  5528.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  5529.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  5530.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  5531.         ;;

  5532.     minix)

  5533.         ;;

  5534.     none)

  5535.         ;;

  5536.     *)

  5537.         die "Unknown OS '$target_os'."

  5538.         ;;

  5539. esac

  5540. 

  5541. # test if creating links works

  5542. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  5543. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  5544. mkdir "$link_dest"

  5545. $ln_s "$link_dest" "$link_name"

  5546. touch "$link_dest/test_file"

  5547. if [ "$source_path" != "." ] && [ "$source_path" != "src" ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  5548.     # create link to source path

  5549.     [ -e src ] && rm src

  5550.     $ln_s "$source_path" src

  5551.     source_link=src

  5552. else

  5553.     # creating directory links doesn't work

  5554.     # fall back to using the full source path

  5555.     source_link="$source_path"

  5556. fi

  5557. # cleanup

  5558. rm -r "$link_dest"

  5559. rm -r "$link_name"

  5560. 

  5561. # determine libc flavour

  5562. 

  5563. probe_libc(){

  5564.     pfx=$1

  5565.     pfx_no_=${pfx%_}

  5566.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  5567.     if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  5568.         eval ${pfx}libc_type=uclibc

  5569.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5570.     elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  5571.         eval ${pfx}libc_type=glibc

  5572.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5573.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  5574.     elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  5575.         eval ${pfx}libc_type=newlib

  5576.         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600

  5577.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  5578.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  5579.         eval ${pfx}libc_type=mingw64

  5580.         if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  5581.             add_compat msvcrt/snprintf.o

  5582.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  5583.         fi

  5584.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5585.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5586.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5587.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5588.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5589.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5590.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  5591.          test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  5592.         eval ${pfx}libc_type=mingw32

  5593.         test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  5594.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  5595.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  5596.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5597.         test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&

  5598.             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700

  5599.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5600.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5601.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5602.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5603.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5604.     elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  5605.         eval ${pfx}libc_type=msvcrt

  5606.         if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  5607.             if [ "$pfx" = host_ ]; then

  5608.                 add_host_cppflags -Dsnprintf=_snprintf

  5609.             else

  5610.                 add_compat strtod.o strtod=avpriv_strtod

  5611.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  5612.                                              _snprintf=avpriv_snprintf  \

  5613.                                              vsnprintf=avpriv_vsnprintf

  5614.             fi

  5615.         fi

  5616.         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS

  5617.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  5618.         # 0x601 by default unless something else is set by the user.

  5619.         # This can easily lead to us detecting functions only present

  5620.         # in such new versions and producing binaries requiring windows 7.0.

  5621.         # Therefore explicitly set the default to Vista unless the user has

  5622.         # set something else on the command line.

  5623.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  5624.         # family. For these cases, configure is free to use any functions

  5625.         # found in the SDK headers by default. (Alternatively, we could force

  5626.         # _WIN32_WINNT to 0x0602 in that case.)

  5627.         test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  5628.             { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }

  5629. #ifdef WINAPI_FAMILY

  5630. #include <winapifamily.h>

  5631. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  5632. #error not desktop

  5633. #endif

  5634. #endif

  5635. EOF

  5636.         if [ "$pfx" = "" ]; then

  5637.             check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5638.             check_func strtoull || add_cflags -Dstrtoull=_strtoui64

  5639.         fi

  5640.     elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  5641.         eval ${pfx}libc_type=klibc

  5642.     elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  5643.         eval ${pfx}libc_type=bionic

  5644.     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  5645.         eval ${pfx}libc_type=solaris

  5646.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  5647.     elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then

  5648.         eval ${pfx}libc_type=djgpp

  5649.         add_cppflags -U__STRICT_ANSI__

  5650.         add_cflags "-include $source_path/compat/djgpp/math.h"

  5651.         add_compat djgpp/math.o

  5652.     fi

  5653.     test_${pfx}cc <<EOF

  5654. #include <time.h>

  5655. void *v = localtime_r;

  5656. EOF

  5657. 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

  5658. #include <time.h>

  5659. void *v = localtime_r;

  5660. EOF

  5661. 

  5662.     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}

  5663. }

  5664. 

  5665. probe_libc

  5666. probe_libc host_

  5667. 

  5668. # hacks for compiler/libc/os combinations

  5669. 

  5670. case $libc_type in

  5671.     bionic)

  5672.         add_compat strtod.o strtod=avpriv_strtod

  5673.         ;;

  5674. esac

  5675. 

  5676. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  5677.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  5678. 

  5679. test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  5680. 

  5681. set_default libdir

  5682. : ${shlibdir_default:="$libdir"}

  5683. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  5684. 

  5685. set_default $PATHS_LIST

  5686. set_default nm

  5687. 

  5688. disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer

  5689. 

  5690. enable_weak_pic() {

  5691.     disabled pic && return

  5692.     enable pic

  5693.     add_cppflags -DPIC

  5694.     case "$target_os" in

  5695.     mingw*|cygwin*|win*)

  5696.         ;;

  5697.     *)

  5698.         add_cflags -fPIC

  5699.         add_asflags -fPIC

  5700.         ;;

  5701.     esac

  5702. }

  5703. 

  5704. enabled pic && enable_weak_pic

  5705. 

  5706. test_cc <<EOF || die "Symbol mangling check failed."

  5707. int ff_extern;

  5708. EOF

  5709. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5710. extern_prefix=${sym%%ff_extern*}

  5711. 

  5712. ! disabled inline_asm && check_inline_asm inline_asm '"" ::'

  5713. 

  5714. for restrict_keyword in restrict __restrict__ __restrict ""; do

  5715.     test_code cc "" "char * $restrict_keyword p" && break

  5716. done

  5717. 

  5718. check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'

  5719. 

  5720. # The global variable ensures the bits appear unchanged in the object file.

  5721. test_cc <<EOF || die "endian test failed"

  5722. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5723. EOF

  5724. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5725. 

  5726. check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"

  5727. 

  5728. if ! enabled ppc64 || enabled bigendian; then

  5729.     disable vsx

  5730. fi

  5731. 

  5732. check_gas() {

  5733.     log "check_gas using '$as' as AS"

  5734.     # :vararg is used on aarch64, arm and ppc altivec

  5735.     check_as vararg "

  5736. .macro m n, y:vararg=0

  5737. \n: .int \y

  5738. .endm

  5739. m x" || return 1

  5740.     # .altmacro is only used in arm asm

  5741.     ! enabled arm || check_as gnu_as ".altmacro"

  5742. }

  5743. 

  5744. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5745.     nogas=:

  5746.     enabled_any arm aarch64 && nogas=die

  5747.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5748.     as_noop=-v

  5749. 

  5750.     case $as_type in

  5751.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5752.         gcc)  gaspp_as_type=gas ;;

  5753.         *)    gaspp_as_type=$as_type ;;

  5754.     esac

  5755. 

  5756.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5757. 

  5758.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5759.     test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5760.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5761. 

  5762.     if ! check_gas ; then

  5763.         as=${gas:=$as}

  5764.         check_gas || \

  5765.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5766.     fi

  5767. 

  5768.     check_as as_func ".func test

  5769.                       .endfunc"

  5770. fi

  5771. 

  5772. check_inline_asm inline_asm_labels '"1:\n"'

  5773. 

  5774. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5775. 

  5776. if enabled aarch64; then

  5777.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5778.     # internal assembler in clang 3.3 does not support this instruction

  5779.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5780.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5781. 

  5782.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5783. 

  5784. elif enabled alpha; then

  5785. 

  5786.     check_cflags -mieee

  5787. 

  5788. elif enabled arm; then

  5789. 

  5790.     enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"

  5791.     test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb

  5792. float func(float a, float b){ return a+b; }

  5793. EOF

  5794.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5795. 

  5796.     if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then

  5797.         :

  5798.     elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5799.         :

  5800.     elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5801.         case "${cross_prefix:-$cc}" in

  5802.             *hardfloat*) enable vfp_args; fpabi=vfp ;;

  5803.             *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;

  5804. __asm__ (".eabi_attribute 28, 1");

  5805. int main(void) { return 0; }

  5806. EOF

  5807.         esac

  5808.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5809.     fi

  5810. 

  5811.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5812.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5813.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5814.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5815.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5816.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5817.     enabled setend  && check_insn setend  'setend be'

  5818. 

  5819.     [ $target_os = linux ] || [ $target_os = android ] ||

  5820.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5821.             $ARCH_EXT_LIST_ARM

  5822. 

  5823.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5824. 

  5825.     check_as as_arch_directive ".arch armv7-a"

  5826.     check_as as_dn_directive   "ra .dn d0.i16"

  5827.     check_as as_fpu_directive  ".fpu neon"

  5828. 

  5829.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5830.     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&

  5831.         check_as as_object_arch ".object_arch armv4"

  5832. 

  5833.     # MS armasm fails to assemble our PIC constructs

  5834.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5835. 

  5836. elif enabled mips; then

  5837. 

  5838.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5839.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5840.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5841. 

  5842.     # Enable minimum ISA based on selected options

  5843.     if enabled mips64; then

  5844.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5845.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5846.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5847.     else

  5848.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5849.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5850.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5851.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5852.     fi

  5853. 

  5854.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5855.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5856.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_headers msa.h || disable msa

  5857.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5858.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5859.     enabled msa && enabled msa2 && check_inline_asm_flags msa2 '"nxbits.any.b $w0, $w0"' '-mmsa2' && check_headers msa2.h || disable msa2

  5860. 

  5861.     if enabled bigendian && enabled msa; then

  5862.         disable msa

  5863.     fi

  5864. 

  5865. elif enabled parisc; then

  5866. 

  5867.     if enabled gcc; then

  5868.         case $($cc -dumpversion) in

  5869.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5870.         esac

  5871.     fi

  5872. 

  5873. elif enabled ppc; then

  5874. 

  5875.     enable local_aligned

  5876. 

  5877.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5878.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5879.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5880.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5881. 

  5882.     if enabled altivec; then

  5883.         check_cflags -maltivec -mabi=altivec

  5884. 

  5885.         # check if our compiler supports Motorola AltiVec C API

  5886.         check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };

  5887.                                     vector signed int v2 = (vector signed int) { 1 };

  5888.                                     v1 = vec_add(v1, v2);"

  5889. 

  5890.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5891.     fi

  5892. 

  5893.     if enabled vsx; then

  5894.         check_cflags -mvsx &&

  5895.         check_cc vsx altivec.h "int v[4] = { 0 };

  5896.                                 vector signed int v1 = vec_vsx_ld(0, v);"

  5897.     fi

  5898. 

  5899.     if enabled power8; then

  5900.         check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"

  5901.     fi

  5902. 

  5903. elif enabled x86; then

  5904. 

  5905.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5906.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5907. 

  5908.     enable local_aligned

  5909. 

  5910.     # check whether EBP is available on x86

  5911.     # As 'i' is stored on the stack, this program will crash

  5912.     # if the base pointer is used to access it because the

  5913.     # base pointer is cleared in the inline assembly code.

  5914.     check_exec_crash <<EOF && enable ebp_available

  5915. volatile int i=0;

  5916. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5917. return i;

  5918. EOF

  5919. 

  5920.     # check whether EBX is available on x86

  5921.     check_inline_asm ebx_available '""::"b"(0)' &&

  5922.         check_inline_asm ebx_available '"":::"%ebx"'

  5923. 

  5924.     # check whether xmm clobbers are supported

  5925.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5926. 

  5927.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5928.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5929. 

  5930.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5931.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5932.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5933. 

  5934.     probe_x86asm(){

  5935.         x86asmexe_probe=$1

  5936.         if test_cmd $x86asmexe_probe -v; then

  5937.             x86asmexe=$x86asmexe_probe

  5938.             x86asm_type=nasm

  5939.             x86asm_debug="-g -F dwarf"

  5940.             X86ASMDEP=

  5941.             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'

  5942.         elif test_cmd $x86asmexe_probe --version; then

  5943.             x86asmexe=$x86asmexe_probe

  5944.             x86asm_type=yasm

  5945.             x86asm_debug="-g dwarf2"

  5946.             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'

  5947.             X86ASM_DEPFLAGS=

  5948.         fi

  5949.         check_x86asm x86asm "movbe ecx, [5]"

  5950.     }

  5951. 

  5952.     if ! disabled_any asm mmx x86asm; then

  5953.         disable x86asm

  5954.         for program in $x86asmexe nasm yasm; do

  5955.             probe_x86asm $program && break

  5956.         done

  5957.         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."

  5958.         X86ASMFLAGS="-f $objformat"

  5959.         enabled pic               && append X86ASMFLAGS "-DPIC"

  5960.         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"

  5961.         case "$objformat" in

  5962.             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;

  5963.         esac

  5964. 

  5965.         enabled avx512 && check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"

  5966.         enabled avx2   && check_x86asm avx2_external   "vextracti128 xmm0, ymm0, 0"

  5967.         enabled xop    && check_x86asm xop_external    "vpmacsdd xmm0, xmm1, xmm2, xmm3"

  5968.         enabled fma4   && check_x86asm fma4_external   "vfmaddps ymm0, ymm1, ymm2, ymm3"

  5969.         check_x86asm cpunop          "CPU amdnop"

  5970.     fi

  5971. 

  5972.     case "$cpu" in

  5973.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5974.             disable fast_clz

  5975.         ;;

  5976.     esac

  5977. 

  5978. fi

  5979. 

  5980. check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"

  5981. 

  5982. check_ldflags -Wl,--as-needed

  5983. check_ldflags -Wl,-z,noexecstack

  5984. 

  5985. if ! disabled network; then

  5986.     check_func getaddrinfo $network_extralibs

  5987.     check_func inet_aton $network_extralibs

  5988. 

  5989.     check_type netdb.h "struct addrinfo"

  5990.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5991.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5992.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5993.     check_type poll.h "struct pollfd"

  5994.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5995.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5996.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5997.     check_type netinet/in.h "struct sockaddr_in6"

  5998.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5999.     check_type "sys/types.h sys/socket.h" socklen_t

  6000. 

  6001.     # Prefer arpa/inet.h over winsock2

  6002.     if check_headers arpa/inet.h ; then

  6003.         check_func closesocket

  6004.     elif check_headers winsock2.h ; then

  6005.         check_func_headers winsock2.h closesocket -lws2 &&

  6006.             network_extralibs="-lws2" ||

  6007.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  6008.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  6009.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  6010. 

  6011.         check_type ws2tcpip.h socklen_t

  6012.         check_type ws2tcpip.h "struct addrinfo"

  6013.         check_type ws2tcpip.h "struct group_source_req"

  6014.         check_type ws2tcpip.h "struct ip_mreq_source"

  6015.         check_type ws2tcpip.h "struct ipv6_mreq"

  6016.         check_type winsock2.h "struct pollfd"

  6017.         check_struct winsock2.h "struct sockaddr" sa_len

  6018.         check_type ws2tcpip.h "struct sockaddr_in6"

  6019.         check_type ws2tcpip.h "struct sockaddr_storage"

  6020.     else

  6021.         disable network

  6022.     fi

  6023. fi

  6024. 

  6025. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  6026. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  6027. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  6028. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  6029. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  6030. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  6031. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  6032. 

  6033. case "$custom_allocator" in

  6034.     jemalloc)

  6035.         # jemalloc by default does not use a prefix

  6036.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  6037.     ;;

  6038.     tcmalloc)

  6039.         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc

  6040.         malloc_prefix=tc_

  6041.     ;;

  6042. esac

  6043. 

  6044. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  6045. check_func  ${malloc_prefix}memalign            && enable memalign

  6046. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  6047. 

  6048. check_func  access

  6049. check_func_headers stdlib.h arc4random

  6050. check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt

  6051. check_func  fcntl

  6052. check_func  fork

  6053. check_func  gethrtime

  6054. check_func  getopt

  6055. check_func  getrusage

  6056. check_func  gettimeofday

  6057. check_func  isatty

  6058. check_func  mkstemp

  6059. check_func  mmap

  6060. check_func  mprotect

  6061. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  6062. check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt

  6063. check_func  sched_getaffinity

  6064. check_func  setrlimit

  6065. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  6066. check_func  strerror_r

  6067. check_func  sysconf

  6068. check_func  sysctl

  6069. check_func  usleep

  6070. 

  6071. check_func_headers conio.h kbhit

  6072. check_func_headers io.h setmode

  6073. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  6074. check_func_headers mach/mach_time.h mach_absolute_time

  6075. check_func_headers stdlib.h getenv

  6076. check_func_headers sys/stat.h lstat

  6077. 

  6078. check_func_headers windows.h GetModuleHandle

  6079. check_func_headers windows.h GetProcessAffinityMask

  6080. check_func_headers windows.h GetProcessTimes

  6081. check_func_headers windows.h GetStdHandle

  6082. check_func_headers windows.h GetSystemTimeAsFileTime

  6083. check_func_headers windows.h LoadLibrary

  6084. check_func_headers windows.h MapViewOfFile

  6085. check_func_headers windows.h PeekNamedPipe

  6086. check_func_headers windows.h SetConsoleTextAttribute

  6087. check_func_headers windows.h SetConsoleCtrlHandler

  6088. check_func_headers windows.h SetDllDirectory

  6089. check_func_headers windows.h Sleep

  6090. check_func_headers windows.h VirtualAlloc

  6091. check_func_headers glob.h glob

  6092. enabled xlib &&

  6093.     check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  6094. 

  6095. check_headers direct.h

  6096. check_headers dirent.h

  6097. check_headers dxgidebug.h

  6098. check_headers dxva.h

  6099. check_headers dxva2api.h -D_WIN32_WINNT=0x0600

  6100. check_headers io.h

  6101. check_headers linux/perf_event.h

  6102. check_headers libcrystalhd/libcrystalhd_if.h

  6103. check_headers malloc.h

  6104. check_headers net/udplite.h

  6105. check_headers poll.h

  6106. check_headers sys/param.h

  6107. check_headers sys/resource.h

  6108. check_headers sys/select.h

  6109. check_headers sys/time.h

  6110. check_headers sys/un.h

  6111. check_headers termios.h

  6112. check_headers unistd.h

  6113. check_headers valgrind/valgrind.h

  6114. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  6115. check_headers windows.h

  6116. check_headers X11/extensions/XvMClib.h

  6117. check_headers asm/types.h

  6118. 

  6119. # it seems there are versions of clang in some distros that try to use the

  6120. # gcc headers, which explodes for stdatomic

  6121. # so we also check that atomics actually work here

  6122. check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"

  6123. 

  6124. check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32

  6125. check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&

  6126.     check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"

  6127. check_lib ole32    "windows.h"            CoTaskMemFree        -lole32

  6128. check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32

  6129. check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

  6130. 

  6131. check_lib android android/native_window.h ANativeWindow_acquire -landroid

  6132. check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk

  6133. check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk

  6134. 

  6135. enabled appkit       && check_apple_framework AppKit

  6136. enabled audiotoolbox && check_apple_framework AudioToolbox

  6137. enabled avfoundation && check_apple_framework AVFoundation

  6138. enabled coreimage    && check_apple_framework CoreImage

  6139. enabled videotoolbox && check_apple_framework VideoToolbox

  6140. 

  6141. check_apple_framework CoreFoundation

  6142. check_apple_framework CoreMedia

  6143. check_apple_framework CoreVideo

  6144. 

  6145. enabled avfoundation && {

  6146.     disable coregraphics applicationservices

  6147.     check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||

  6148.     check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }

  6149. 

  6150. enabled videotoolbox && {

  6151.     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"

  6152.     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"

  6153.     check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo"

  6154.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ "-framework CoreVideo"

  6155.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_ITU_R_2100_HLG "-framework CoreVideo"

  6156.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_Linear "-framework CoreVideo"

  6157. }

  6158. 

  6159. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  6160. 

  6161. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  6162. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  6163. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  6164. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  6165. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  6166. 

  6167. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  6168. check_type "vdpau/vdpau.h" "VdpPictureInfoVP9"

  6169. 

  6170. if [ -z "$nvccflags" ]; then

  6171.     nvccflags=$nvccflags_default

  6172. fi

  6173. 

  6174. if enabled x86_64 || enabled ppc64 || enabled aarch64; then

  6175.     nvccflags="$nvccflags -m64"

  6176. else

  6177.     nvccflags="$nvccflags -m32"

  6178. fi

  6179. 

  6180. if enabled cuda_nvcc; then

  6181.     nvccflags="$nvccflags -ptx"

  6182. else

  6183.     nvccflags="$nvccflags -S -nocudalib -nocudainc --cuda-device-only -include ${source_link}/compat/cuda/cuda_runtime.h"

  6184.     check_nvcc cuda_llvm

  6185. fi

  6186. 

  6187. if ! disabled ffnvcodec; then

  6188.     ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h"

  6189.     check_pkg_config ffnvcodec "ffnvcodec >= 9.1.23.1" "$ffnv_hdr_list" "" || \

  6190.       check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.3 ffnvcodec < 9.1" "$ffnv_hdr_list" "" || \

  6191.       check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.10 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \

  6192.       check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.11 ffnvcodec < 8.2" "$ffnv_hdr_list" ""

  6193. fi

  6194. 

  6195. check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"

  6196. 

  6197. if ! disabled w32threads && ! enabled pthreads; then

  6198.     check_func_headers "windows.h process.h" _beginthreadex &&

  6199.         check_type "windows.h" CONDITION_VARIABLE &&

  6200.         check_type "windows.h" INIT_ONCE &&

  6201.         enable w32threads || disable w32threads

  6202.     if ! enabled w32threads && enabled winrt; then

  6203.         check_func_headers "windows.h" CreateThread &&

  6204.             enable w32threads || disable w32threads

  6205.     fi

  6206. fi

  6207. 

  6208. # check for some common methods of building with pthread support

  6209. # do this before the optional library checks as some of them require pthreads

  6210. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  6211.     if check_lib pthreads pthread.h pthread_join   -pthread &&

  6212.        check_lib pthreads pthread.h pthread_create -pthread; then

  6213.         add_cflags -pthread

  6214.     elif check_lib pthreads pthread.h pthread_join   -pthreads &&

  6215.          check_lib pthreads pthread.h pthread_create -pthreads; then

  6216.         add_cflags -pthreads

  6217.     elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&

  6218.          check_lib pthreads pthread.h pthread_create -ldl -pthread; then

  6219.         add_cflags -ldl -pthread

  6220.     elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&

  6221.          check_lib pthreads pthread.h pthread_create -lpthreadGC2; then

  6222.         :

  6223.     elif check_lib pthreads pthread.h pthread_join   -lpthread &&

  6224.          check_lib pthreads pthread.h pthread_create -lpthread; then

  6225.         :

  6226.     elif check_func pthread_join && check_func pthread_create; then

  6227.         enable pthreads

  6228.     fi

  6229.     check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"

  6230. 

  6231.     if enabled pthreads; then

  6232.         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs

  6233.         check_func pthread_cancel $pthreads_extralibs

  6234.     fi

  6235. fi

  6236. 

  6237. enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||

  6238.                    check_lib zlib   zlib.h      zlibVersion    -lz; }

  6239. enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2

  6240. enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma

  6241. 

  6242. # On some systems dynamic loading requires no extra linker flags

  6243. check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl

  6244. 

  6245. check_lib libm math.h sin -lm

  6246. 

  6247. atan2f_args=2

  6248. copysign_args=2

  6249. hypot_args=2

  6250. ldexpf_args=2

  6251. powf_args=2

  6252. 

  6253. for func in $MATH_FUNCS; do

  6254.     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs

  6255. done

  6256. 

  6257. for func in $COMPLEX_FUNCS; do

  6258.     eval check_complexfunc $func \${${func}_args:-1}

  6259. done

  6260. 

  6261. # these are off by default, so fail if requested and not available

  6262. enabled avisynth          && require_headers "avisynth/avisynth_c.h"

  6263. enabled cuda_nvcc         && { check_nvcc cuda_nvcc || die "ERROR: failed checking for nvcc."; }

  6264. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  6265. enabled decklink          && { require_headers DeckLinkAPI.h &&

  6266.                                { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }

  6267. enabled frei0r            && require_headers "frei0r.h dlfcn.h"

  6268. enabled gmp               && require gmp gmp.h mpz_export -lgmp

  6269. enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

  6270. enabled jni               && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }

  6271. enabled ladspa            && require_headers "ladspa.h dlfcn.h"

  6272. enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version

  6273. enabled libaribb24        && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||

  6274.                                { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||

  6275.                                die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }

  6276. enabled lv2               && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new

  6277. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  6278. enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init

  6279. enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open

  6280. enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open

  6281. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  6282.                              { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||

  6283.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  6284. enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas

  6285. enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2

  6286. enabled libdav1d          && require_pkg_config libdav1d "dav1d >= 0.4.0" "dav1d/dav1d.h" dav1d_version

  6287. enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open

  6288. enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new

  6289. enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion

  6290. enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  6291.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  6292.                                  warn "using libfdk without pkg-config"; } }

  6293. 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"

  6294. enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs

  6295. enabled fontconfig        && enable libfontconfig

  6296. enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit

  6297. enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

  6298. enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info

  6299. enabled libglslang        && require_cpp libglslang glslang/SPIRV/GlslangToSpv.h "glslang::TIntermediate*" -lglslang -lOSDependent -lHLSL -lOGLCompiler -lSPVRemapper -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lpthread -lstdc++

  6300. enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||

  6301.                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }

  6302. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  6303.                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;

  6304.                                done || die "ERROR: libgsm not found"; }

  6305. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs

  6306. enabled libklvanc         && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc

  6307. enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  6308. enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_db_new

  6309. # While it may appear that require is being used as a pkg-config

  6310. # fallback for libmfx, it is actually being used to detect a different

  6311. # installation route altogether.  If libmfx is installed via the Intel

  6312. # Media SDK or Intel Media Server Studio, these don't come with

  6313. # pkg-config support.  Instead, users should make sure that the build

  6314. # can find the libraries and headers through other means.

  6315. enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||

  6316.                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }

  6317. if enabled libmfx; then

  6318.    check_cc MFX_CODEC_VP9 "mfx/mfxvp9.h mfx/mfxstructures.h" "MFX_CODEC_VP9"

  6319. fi

  6320. 

  6321. enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load

  6322. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs

  6323. enabled libmysofa         && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine ||

  6324.                                require libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine -lmysofa $zlib_extralibs; }

  6325. enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||

  6326.                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||

  6327.                                die "ERROR: libnpp not found"; }

  6328. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  6329. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  6330. enabled libopencv         && { check_headers opencv2/core/core_c.h &&

  6331.                                { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||

  6332.                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  6333.                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }

  6334. enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion

  6335. enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||

  6336.                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }

  6337. enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"

  6338. enabled libopus           && {

  6339.     enabled libopus_decoder && {

  6340.         require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create

  6341.     }

  6342.     enabled libopus_encoder && {

  6343.         require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create

  6344.     }

  6345. }

  6346. enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new

  6347. enabled librabbitmq       && require_pkg_config librabbitmq "librabbitmq >= 0.7.1" amqp.h amqp_new_connection

  6348. enabled librav1e          && require_pkg_config librav1e "rav1e >= 0.1.0" rav1e.h rav1e_context_new

  6349. enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo

  6350. enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket

  6351. enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"

  6352. enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer

  6353. enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||

  6354.                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }

  6355. enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++

  6356. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  6357. enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init

  6358. enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init

  6359. enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket

  6360. enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow

  6361. enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate

  6362. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  6363. enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure

  6364. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  6365.                              { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  6366.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  6367. enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl

  6368. enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  6369. enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf

  6370. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  6371. enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&

  6372.                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init

  6373. 

  6374. enabled libvpx            && {

  6375.     enabled libvpx_vp8_decoder && {

  6376.         check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  6377.             check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp8_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6378.     }

  6379.     enabled libvpx_vp8_encoder && {

  6380.         check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  6381.             check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp8_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6382.     }

  6383.     enabled libvpx_vp9_decoder && {

  6384.         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  6385.             check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6386.     }

  6387.     enabled libvpx_vp9_encoder && {

  6388.         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  6389.             check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6390.     }

  6391.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  6392.         die "libvpx enabled but no supported decoders found"

  6393.     fi

  6394. }

  6395. 

  6396. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  6397. enabled libwebp           && {

  6398.     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  6399.     enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }

  6400. enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||

  6401.                                { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&

  6402.                                  warn "using libx264 without pkg-config"; } } &&

  6403.                              require_cpp_condition libx264 x264.h "X264_BUILD >= 118" &&

  6404.                              check_cpp_condition libx262 x264.h "X264_MPEG2"

  6405. enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&

  6406.                              require_cpp_condition libx265 x265.h "X265_BUILD >= 70"

  6407. enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"

  6408. enabled libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get

  6409. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  6410. enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version

  6411. enabled libzmq            && require_pkg_config libzmq "libzmq >= 4.2.1" zmq.h zmq_ctx_new

  6412. enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&

  6413.                              { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  6414.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  6415. enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion

  6416. enabled mbedtls           && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||

  6417.                                check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||

  6418.                                check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||

  6419.                                die "ERROR: mbedTLS not found"; }

  6420. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  6421. enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  6422.                                { ! enabled cross_compile &&

  6423.                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&

  6424.                                  add_ldflags -L/opt/vc/lib/ &&

  6425.                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||

  6426.                                die "ERROR: mmal not found" &&

  6427.                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }

  6428. enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  6429.                                check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||

  6430.                                die "ERROR: openal not found"; } &&

  6431.                              { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  6432.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  6433. enabled opencl            && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||

  6434.                                check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  6435.                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  6436.                                die "ERROR: opencl not found"; } &&

  6437.                              { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  6438.                                test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  6439.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  6440. enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||

  6441.                                check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  6442.                                check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  6443.                                check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  6444.                                die "ERROR: opengl not found."

  6445.                              }

  6446. enabled omx_rpi           && { test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame ||

  6447.                                { ! enabled cross_compile &&

  6448.                                  add_cflags -isystem/opt/vc/include/IL &&

  6449.                                  test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame; } ||

  6450.                                die "ERROR: OpenMAX IL headers from raspberrypi/firmware not found"; } &&

  6451.                              enable omx

  6452. enabled omx               && require_headers OMX_Core.h

  6453. enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||

  6454.                                check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||

  6455.                                check_lib openssl openssl/ssl.h OPENSSL_init_ssl -lssl -lcrypto ||

  6456.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  6457.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  6458.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  6459.                                die "ERROR: openssl not found"; }

  6460. enabled pocketsphinx      && require_pkg_config pocketsphinx pocketsphinx pocketsphinx/pocketsphinx.h ps_init

  6461. enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/rk_mpi.h mpp_create &&

  6462.                                require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&

  6463.                                { enabled libdrm ||

  6464.                                  die "ERROR: rkmpp requires --enable-libdrm"; }

  6465.                              }

  6466. enabled vapoursynth       && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init

  6467. 

  6468. 

  6469. if enabled gcrypt; then

  6470.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  6471.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  6472.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  6473.         gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)

  6474.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||

  6475.             die "ERROR: gcrypt not found"

  6476.         add_cflags $gcrypt_cflags

  6477.     else

  6478.         require gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  6479.     fi

  6480. fi

  6481. 

  6482. if enabled sdl2; then

  6483.     SDL2_CONFIG="${cross_prefix}sdl2-config"

  6484.     test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent

  6485.     if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then

  6486.         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)

  6487.         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)

  6488.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&

  6489.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&

  6490.         check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&

  6491.             enable sdl2

  6492.     fi

  6493.     if test $target_os = "mingw32"; then

  6494.         sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)

  6495.     fi

  6496. fi

  6497. 

  6498. if enabled decklink; then

  6499.     case $target_os in

  6500.         mingw32*|mingw64*|win32|win64)

  6501.             decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  6502.             decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  6503.             ;;

  6504.     esac

  6505. fi

  6506. 

  6507. enabled securetransport &&

  6508.     check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  6509.     check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||

  6510.         disable securetransport

  6511. 

  6512. enabled securetransport &&

  6513.     check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"

  6514. 

  6515. enabled schannel &&

  6516.     check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  6517.     test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&

  6518.     schannel_extralibs="-lsecur32" ||

  6519.         disable schannel

  6520. 

  6521. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  6522. enabled makeinfo \

  6523.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  6524.     && enable makeinfo_html || disable makeinfo_html

  6525. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  6526. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  6527. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  6528. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  6529. 

  6530. # check V4L2 codecs available in the API

  6531. if enabled v4l2_m2m; then

  6532.     check_headers linux/fb.h

  6533.     check_headers linux/videodev2.h

  6534.     test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6535.     check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"

  6536.     check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"

  6537.     check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"

  6538.     check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"

  6539.     check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"

  6540.     check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"

  6541.     check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"

  6542.     check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"

  6543.     check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"

  6544.     check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"

  6545. fi

  6546. 

  6547. check_headers sys/videoio.h

  6548. test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6549. 

  6550. check_lib user32 "windows.h winuser.h" GetShellWindow -luser32

  6551. check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32

  6552. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  6553. # w32api 3.12 had it defined wrong

  6554. check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"

  6555. 

  6556. check_type "dshow.h" IBaseFilter

  6557. 

  6558. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  6559. check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||

  6560.     check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||

  6561.     check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||

  6562.     check_headers "dev/ic/bt8xx.h"

  6563. 

  6564. if check_struct sys/soundcard.h audio_buf_info bytes; then

  6565.     enable_sanitized sys/soundcard.h

  6566. else

  6567.     test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h

  6568.     #include <sys/soundcard.h>

  6569.     audio_buf_info abc;

  6570. EOF

  6571. fi

  6572. 

  6573. enabled alsa && { check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||

  6574.                   check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound; }

  6575. 

  6576. enabled libjack &&

  6577.     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range

  6578. 

  6579. enabled sndio && check_lib sndio sndio.h sio_open -lsndio

  6580. 

  6581. if enabled libcdio; then

  6582.     check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||

  6583.     check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||

  6584.     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6585.     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6586.     die "ERROR: No usable libcdio/cdparanoia found"

  6587. fi

  6588. 

  6589. enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||

  6590.     disable libxcb_shm libxcb_shape libxcb_xfixes

  6591. 

  6592. if enabled libxcb; then

  6593.     enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach

  6594.     enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles

  6595.     enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image

  6596. fi

  6597. 

  6598. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  6599. 

  6600. # d3d11va requires linking directly to dxgi and d3d11 if not building for

  6601. # the desktop api partition

  6602. test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"

  6603. #ifdef WINAPI_FAMILY

  6604. #include <winapifamily.h>

  6605. #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  6606. #error desktop, not uwp

  6607. #else

  6608. // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP

  6609. #endif

  6610. #else

  6611. #error no family set

  6612. #endif

  6613. EOF

  6614. 

  6615. enabled vaapi &&

  6616.     check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize

  6617. 

  6618. if enabled vaapi; then

  6619.     check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM

  6620. 

  6621.     if enabled xlib; then

  6622.         check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay

  6623.     fi

  6624. 

  6625.     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"

  6626. 

  6627.     check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"

  6628.     check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth

  6629.     check_type   "va/va.h va/va_vpp.h" "VAProcFilterParameterBufferHDRToneMapping"

  6630.     check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags

  6631.     check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  6632.     check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  6633.     check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"

  6634.     check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"

  6635. fi

  6636. 

  6637. if enabled_all opencl libdrm ; then

  6638.     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

  6639.         enable opencl_drm_beignet

  6640.     check_func_headers "CL/cl_ext.h" clImportMemoryARM &&

  6641.         enable opencl_drm_arm

  6642. fi

  6643. 

  6644. if enabled_all opencl vaapi ; then

  6645.     if enabled opencl_drm_beignet ; then

  6646.         enable opencl_vaapi_beignet

  6647.     else

  6648.         check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&

  6649.             enable opencl_vaapi_intel_media

  6650.     fi

  6651. fi

  6652. 

  6653. if enabled_all opencl dxva2 ; then

  6654.     check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&

  6655.         enable opencl_dxva2

  6656. fi

  6657. 

  6658. if enabled_all opencl d3d11va ; then

  6659.     check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&

  6660.         enable opencl_d3d11

  6661. fi

  6662. 

  6663. enabled vdpau &&

  6664.     check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"

  6665. 

  6666. enabled vdpau &&

  6667.     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11

  6668. 

  6669. enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd

  6670. 

  6671. enabled vulkan &&

  6672.     require_pkg_config vulkan "vulkan >= 1.1.97" "vulkan/vulkan.h" vkCreateInstance

  6673. 

  6674. if enabled x86; then

  6675.     case $target_os in

  6676.         mingw32*|mingw64*|win32|win64|linux|cygwin*)

  6677.             ;;

  6678.         *)

  6679.             disable ffnvcodec cuvid nvdec nvenc

  6680.             ;;

  6681.     esac

  6682. elif enabled_any aarch64 ppc64 && ! enabled bigendian; then

  6683.     case $target_os in

  6684.         linux)

  6685.             ;;

  6686.         *)

  6687.             disable ffnvcodec cuvid nvdec nvenc

  6688.             ;;

  6689.     esac

  6690. else

  6691.     disable ffnvcodec cuvid nvdec nvenc

  6692. fi

  6693. 

  6694. enabled ffnvcodec && enable cuda

  6695. 

  6696. enabled nvenc &&

  6697.     test_cc -I$source_path <<EOF || disable nvenc

  6698. #include <ffnvcodec/nvEncodeAPI.h>

  6699. NV_ENCODE_API_FUNCTION_LIST flist;

  6700. void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }

  6701. int main(void) { return 0; }

  6702. EOF

  6703. 

  6704. enabled amf &&

  6705.     check_cpp_condition amf "AMF/core/Version.h" \

  6706.         "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400090000"

  6707. 

  6708. # Funny iconv installations are not unusual, so check it after all flags have been set

  6709. if enabled libc_iconv; then

  6710.     check_func_headers iconv.h iconv

  6711. elif enabled iconv; then

  6712.     check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv

  6713. fi

  6714. 

  6715. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  6716. 

  6717. # add some useful compiler flags if supported

  6718. check_cflags -Wdeclaration-after-statement

  6719. check_cflags -Wall

  6720. check_cflags -Wdisabled-optimization

  6721. check_cflags -Wpointer-arith

  6722. check_cflags -Wredundant-decls

  6723. check_cflags -Wwrite-strings

  6724. check_cflags -Wtype-limits

  6725. check_cflags -Wundef

  6726. check_cflags -Wmissing-prototypes

  6727. check_cflags -Wno-pointer-to-int-cast

  6728. check_cflags -Wstrict-prototypes

  6729. check_cflags -Wempty-body

  6730. 

  6731. if enabled extra_warnings; then

  6732.     check_cflags -Wcast-qual

  6733.     check_cflags -Wextra

  6734.     check_cflags -Wpedantic

  6735. fi

  6736. 

  6737. check_disable_warning(){

  6738.     warning_flag=-W${1#-Wno-}

  6739.     test_cflags $unknown_warning_flags $warning_flag && add_cflags $1

  6740. }

  6741. 

  6742. test_cflags -Werror=unused-command-line-argument &&

  6743.     append unknown_warning_flags "-Werror=unused-command-line-argument"

  6744. test_cflags -Werror=unknown-warning-option &&

  6745.     append unknown_warning_flags "-Werror=unknown-warning-option"

  6746. 

  6747. check_disable_warning -Wno-parentheses

  6748. check_disable_warning -Wno-switch

  6749. check_disable_warning -Wno-format-zero-length

  6750. check_disable_warning -Wno-pointer-sign

  6751. check_disable_warning -Wno-unused-const-variable

  6752. check_disable_warning -Wno-bool-operation

  6753. check_disable_warning -Wno-char-subscripts

  6754. 

  6755. check_disable_warning_headers(){

  6756.     warning_flag=-W${1#-Wno-}

  6757.     test_cflags $warning_flag && add_cflags_headers $1

  6758. }

  6759. 

  6760. check_disable_warning_headers -Wno-deprecated-declarations

  6761. check_disable_warning_headers -Wno-unused-variable

  6762. 

  6763. test_cc <<EOF && enable blocks_extension

  6764. void (^block)(void);

  6765. EOF

  6766. 

  6767. # add some linker flags

  6768. check_ldflags -Wl,--warn-common

  6769. check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6770. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir

  6771. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6772. 

  6773. # add some strip flags

  6774. check_stripflags -x

  6775. 

  6776. enabled neon_clobber_test &&

  6777.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6778.                   -Wl,--wrap,avcodec_decode_audio4      \

  6779.                   -Wl,--wrap,avcodec_decode_video2      \

  6780.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6781.                   -Wl,--wrap,avcodec_encode_audio2      \

  6782.                   -Wl,--wrap,avcodec_encode_video2      \

  6783.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6784.                   -Wl,--wrap,avcodec_send_packet        \

  6785.                   -Wl,--wrap,avcodec_receive_packet     \

  6786.                   -Wl,--wrap,avcodec_send_frame         \

  6787.                   -Wl,--wrap,avcodec_receive_frame      \

  6788.                   -Wl,--wrap,swr_convert                \

  6789.                   -Wl,--wrap,avresample_convert ||

  6790.     disable neon_clobber_test

  6791. 

  6792. enabled xmm_clobber_test &&

  6793.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6794.                   -Wl,--wrap,avcodec_decode_audio4      \

  6795.                   -Wl,--wrap,avcodec_decode_video2      \

  6796.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6797.                   -Wl,--wrap,avcodec_encode_audio2      \

  6798.                   -Wl,--wrap,avcodec_encode_video2      \

  6799.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6800.                   -Wl,--wrap,avcodec_send_packet        \

  6801.                   -Wl,--wrap,avcodec_receive_packet     \

  6802.                   -Wl,--wrap,avcodec_send_frame         \

  6803.                   -Wl,--wrap,avcodec_receive_frame      \

  6804.                   -Wl,--wrap,swr_convert                \

  6805.                   -Wl,--wrap,avresample_convert         \

  6806.                   -Wl,--wrap,sws_scale ||

  6807.     disable xmm_clobber_test

  6808. 

  6809. check_ld "cc" proper_dce <<EOF

  6810. extern const int array[512];

  6811. static inline int func(void) { return array[0]; }

  6812. int main(void) { return 0; }

  6813. EOF

  6814. 

  6815. if enabled proper_dce; then

  6816.     echo "X { local: *; };" > $TMPV

  6817.     if test_ldflags -Wl,${version_script},$TMPV; then

  6818.         append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'

  6819.         quotes='""'

  6820.         test_cc <<EOF && enable symver_asm_label

  6821. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6822. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6823. EOF

  6824.         test_cc <<EOF && enable symver_gnu_asm

  6825. __asm__(".symver ff_foo,av_foo@VERSION");

  6826. void ff_foo(void) {}

  6827. EOF

  6828.     fi

  6829. fi

  6830. 

  6831. if [ -z "$optflags" ]; then

  6832.     if enabled small; then

  6833.         optflags=$cflags_size

  6834.     elif enabled optimizations; then

  6835.         optflags=$cflags_speed

  6836.     else

  6837.         optflags=$cflags_noopt

  6838.     fi

  6839. fi

  6840. 

  6841. check_optflags(){

  6842.     check_cflags "$@"

  6843.     enabled lto && check_ldflags "$@"

  6844. }

  6845. 

  6846. check_optflags $optflags

  6847. check_optflags -fno-math-errno

  6848. check_optflags -fno-signed-zeros

  6849. 

  6850. if enabled lto; then

  6851.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6852.     check_cflags  -flto

  6853.     check_ldflags -flto $cpuflags

  6854.     disable inline_asm_direct_symbol_refs

  6855. fi

  6856. 

  6857. enabled ftrapv && check_cflags -ftrapv

  6858. 

  6859. test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6860. int x;

  6861. EOF

  6862. 

  6863. 

  6864. if enabled icc; then

  6865.     # Just warnings, no remarks

  6866.     check_cflags -w1

  6867.     # -wd: Disable following warnings

  6868.     # 144, 167, 556: -Wno-pointer-sign

  6869.     # 188: enumerated type mixed with another type

  6870.     # 1292: attribute "foo" ignored

  6871.     # 1419: external declaration in primary source file

  6872.     # 10006: ignoring unknown option -fno-signed-zeros

  6873.     # 10148: ignoring unknown option -Wno-parentheses

  6874.     # 10156: ignoring option '-W'; no argument required

  6875.     # 13200: No EMMS instruction before call to function

  6876.     # 13203: No EMMS instruction before return from function

  6877.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6878.     # 11030: Warning unknown option --as-needed

  6879.     # 10156: ignoring option '-export'; no argument required

  6880.     check_ldflags -wd10156,11030

  6881.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6882.     enable ebp_available

  6883.     # The test above does not test linking

  6884.     enabled lto && disable symver_asm_label

  6885.     if enabled x86_32; then

  6886.         icc_version=$($cc -dumpversion)

  6887.         test ${icc_version%%.*} -ge 11 &&

  6888.             check_cflags -falign-stack=maintain-16-byte ||

  6889.             disable aligned_stack

  6890.     fi

  6891. elif enabled gcc; then

  6892.     check_optflags -fno-tree-vectorize

  6893.     check_cflags -Werror=format-security

  6894.     check_cflags -Werror=implicit-function-declaration

  6895.     check_cflags -Werror=missing-prototypes

  6896.     check_cflags -Werror=return-type

  6897.     check_cflags -Werror=vla

  6898.     check_cflags -Wformat

  6899.     check_cflags -fdiagnostics-color=auto

  6900.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6901.     if enabled x86_32; then

  6902.         case $target_os in

  6903.         *bsd*)

  6904.             # BSDs don't guarantee a 16 byte aligned stack, but we can

  6905.             # request GCC to try to maintain 16 byte alignment throughout

  6906.             # function calls. Library entry points that might call assembly

  6907.             # functions align the stack. (The parameter means 2^4 bytes.)

  6908.             check_cflags -mpreferred-stack-boundary=4

  6909.             ;;

  6910.         esac

  6911.     fi

  6912. elif enabled llvm_gcc; then

  6913.     check_cflags -mllvm -stack-alignment=16

  6914. elif enabled clang; then

  6915.     if enabled x86_32; then

  6916.         # Clang doesn't support maintaining alignment without assuming the

  6917.         # same alignment in every function. If 16 byte alignment would be

  6918.         # enabled, one would also have to either add attribute_align_arg on

  6919.         # every single entry point into the libraries or enable -mstackrealign

  6920.         # (doing stack realignment in every single function).

  6921.         case $target_os in

  6922.         mingw32|win32|*bsd*)

  6923.             disable aligned_stack

  6924.             ;;

  6925.         *)

  6926.             check_cflags -mllvm -stack-alignment=16

  6927.             check_cflags -mstack-alignment=16

  6928.             ;;

  6929.         esac

  6930.     else

  6931.         check_cflags -mllvm -stack-alignment=16

  6932.         check_cflags -mstack-alignment=16

  6933.     fi

  6934.     check_cflags -Qunused-arguments

  6935.     check_cflags -Werror=implicit-function-declaration

  6936.     check_cflags -Werror=missing-prototypes

  6937.     check_cflags -Werror=return-type

  6938. elif enabled cparser; then

  6939.     add_cflags -Wno-missing-variable-declarations

  6940.     add_cflags -Wno-empty-statement

  6941. elif enabled armcc; then

  6942.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6943.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6944.     # 2523: use of inline assembly is deprecated

  6945.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6946.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6947.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6948.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6949.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6950.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6951. elif enabled pathscale; then

  6952.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6953.     disable inline_asm

  6954. elif enabled_any msvc icl; then

  6955.     enabled x86_32 && disable aligned_stack

  6956.     enabled_all x86_32 debug && add_cflags -Oy-

  6957.     enabled debug && add_ldflags -debug

  6958.     enable pragma_deprecated

  6959.     if enabled icl; then

  6960.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6961.         # (correctly) on icl 13.x.

  6962.         test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6963.             add_cflags -Qansi-alias

  6964.         # Some inline asm is not compilable in debug

  6965.         if enabled debug; then

  6966.             disable ebp_available

  6967.             disable ebx_available

  6968.         fi

  6969.     fi

  6970.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6971.     check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"

  6972.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6973.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6974.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6975.     # MSVC 2013 and newer can handle it fine.

  6976.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6977.     # happens in config.h.

  6978.     if [ $restrict_keyword != restrict ]; then

  6979.         test_cc <<EOF || add_cflags -FIstdlib.h

  6980. __declspec($restrict_keyword) void *foo(int);

  6981. EOF

  6982.     fi

  6983.     # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code

  6984.     # Issue has been fixed in MSVC v19.00.24218.

  6985.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||

  6986.         check_cflags -d2SSAOptimizer-

  6987.     # enable utf-8 source processing on VS2015 U2 and newer

  6988.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&

  6989.         add_cflags -utf-8

  6990. fi

  6991. 

  6992. for pfx in "" host_; do

  6993.     varname=${pfx%_}cc_type

  6994.     eval "type=\$$varname"

  6995.     if [ "$type" = "msvc" ]; then

  6996.         test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6997. static inline int foo(int a) { return a; }

  6998. EOF

  6999.     fi

  7000. done

  7001. 

  7002. case $as_type in

  7003.     clang)

  7004.         add_asflags -Qunused-arguments

  7005.     ;;

  7006. esac

  7007. 

  7008. case $ld_type in

  7009.     clang)

  7010.         check_ldflags -Qunused-arguments

  7011.     ;;

  7012. esac

  7013. 

  7014. enable frame_thread_encoder

  7015. 

  7016. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  7017. 

  7018. check_deps $CONFIG_LIST       \

  7019.            $CONFIG_EXTRA      \

  7020.            $HAVE_LIST         \

  7021.            $ALL_COMPONENTS    \

  7022. 

  7023. 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"

  7024. enabled avresample && warn "Building with deprecated library libavresample"

  7025. 

  7026. case $target_os in

  7027. haiku)

  7028.     disable memalign

  7029.     disable posix_memalign

  7030.     ;;

  7031. *-dos|freedos|opendos)

  7032.     if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then

  7033.         disable memalign

  7034.     fi

  7035.     ;;

  7036. esac

  7037. 

  7038. flatten_extralibs(){

  7039.     nested_entries=

  7040.     list_name=$1

  7041.     eval list=\$${1}

  7042.     for entry in $list; do

  7043.         entry_copy=$entry

  7044.         resolve entry_copy

  7045.         flat_entries=

  7046.         for e in $entry_copy; do

  7047.             case $e in

  7048.                 *_extralibs) nested_entries="$nested_entries$e ";;

  7049.                           *) flat_entries="$flat_entries$e ";;

  7050.             esac

  7051.         done

  7052.         eval $entry="\$flat_entries"

  7053.     done

  7054.     append $list_name "$nested_entries"

  7055. 

  7056.     resolve nested_entries

  7057.     if test -n "$(filter '*_extralibs' $nested_entries)"; then

  7058.         flatten_extralibs $list_name

  7059.     fi

  7060. }

  7061. 

  7062. flatten_extralibs_wrapper(){

  7063.     list_name=$1

  7064.     flatten_extralibs $list_name

  7065.     unique $list_name

  7066.     resolve $list_name

  7067.     eval $list_name=\$\(\$ldflags_filter \$$list_name\)

  7068.     eval printf \''%s'\' \""\$$list_name"\"

  7069. }

  7070. 

  7071. for linkunit in $LIBRARY_LIST; do

  7072.     unset current_extralibs

  7073.     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST

  7074.     for comp in ${components}; do

  7075.         enabled $comp || continue

  7076.         comp_extralibs="${comp}_extralibs"

  7077.         append current_extralibs $comp_extralibs

  7078.     done

  7079.     eval prepend ${linkunit}_extralibs $current_extralibs

  7080. done

  7081. 

  7082. for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7083.     eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)

  7084. done

  7085. 

  7086. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  7087. 

  7088. for thread in $THREADS_LIST; do

  7089.     if enabled $thread; then

  7090.         test -n "$thread_type" &&

  7091.             die "ERROR: Only one thread type must be selected." ||

  7092.             thread_type="$thread"

  7093.     fi

  7094. done

  7095. 

  7096. if disabled stdatomic; then

  7097.     if enabled atomics_gcc; then

  7098.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'

  7099.     elif enabled atomics_win32; then

  7100.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'

  7101.     elif enabled atomics_suncc; then

  7102.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'

  7103.     elif enabled pthreads; then

  7104.         add_compat atomics/pthread/stdatomic.o

  7105.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'

  7106.     else

  7107.         enabled threads && die "Threading is enabled, but no atomics are available"

  7108.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'

  7109.     fi

  7110. fi

  7111. 

  7112. # Check if requested libraries were found.

  7113. for lib in $AUTODETECT_LIBS; do

  7114.     requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";

  7115. done

  7116. 

  7117. enabled zlib && add_cppflags -DZLIB_CONST

  7118. 

  7119. # conditional library dependencies, in any order

  7120. enabled afftdn_filter       && prepend avfilter_deps "avcodec"

  7121. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  7122. enabled afir_filter         && prepend avfilter_deps "avcodec"

  7123. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  7124. enabled aresample_filter    && prepend avfilter_deps "swresample"

  7125. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  7126. enabled bm3d_filter         && prepend avfilter_deps "avcodec"

  7127. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  7128. enabled convolve_filter     && prepend avfilter_deps "avcodec"

  7129. enabled deconvolve_filter   && prepend avfilter_deps "avcodec"

  7130. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  7131. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  7132. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  7133. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  7134. enabled firequalizer_filter && prepend avfilter_deps "avcodec"

  7135. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  7136. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  7137. enabled pan_filter          && prepend avfilter_deps "swresample"

  7138. enabled pp_filter           && prepend avfilter_deps "postproc"

  7139. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  7140. enabled resample_filter && prepend avfilter_deps "avresample"

  7141. enabled sab_filter          && prepend avfilter_deps "swscale"

  7142. enabled scale_filter    && prepend avfilter_deps "swscale"

  7143. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  7144. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  7145. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  7146. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  7147. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  7148. enabled signature_filter    && prepend avfilter_deps "avcodec avformat"

  7149. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  7150. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  7151. enabled spp_filter          && prepend avfilter_deps "avcodec"

  7152. enabled sr_filter           && prepend avfilter_deps "avformat swscale"

  7153. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  7154. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  7155. enabled zoompan_filter      && prepend avfilter_deps "swscale"

  7156. 

  7157. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  7158. 

  7159. #FIXME

  7160. enabled_any sdl2_outdev opengl_outdev && enabled sdl2 &&

  7161.     add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)

  7162. 

  7163. enabled opus_decoder    && prepend avcodec_deps "swresample"

  7164. 

  7165. # reorder the items at var $1 to align with the items order at var $2 .

  7166. # die if an item at $1 is not at $2 .

  7167. reorder_by(){

  7168.     eval rb_in=\$$1

  7169.     eval rb_ordered=\$$2

  7170. 

  7171.     for rb in $rb_in; do

  7172.         is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2"

  7173.     done

  7174. 

  7175.     rb_out=

  7176.     for rb in $rb_ordered; do

  7177.         is_in $rb $rb_in && rb_out="$rb_out$rb "

  7178.     done

  7179.     eval $1=\$rb_out

  7180. }

  7181. 

  7182. # deps-expand fflib $1:  N x {append all expanded deps; unique}

  7183. # within a set of N items, N expansions are enough to expose a cycle.

  7184. expand_deps(){

  7185.     unique ${1}_deps  # required for the early break test.

  7186.     for dummy in $LIBRARY_LIST; do  # N iteratios

  7187.         eval deps=\$${1}_deps

  7188.         append ${1}_deps $(map 'eval echo \$${v}_deps' $deps)

  7189.         unique ${1}_deps

  7190.         eval '[ ${#deps} = ${#'${1}_deps'} ]' && break  # doesn't expand anymore

  7191.     done

  7192. 

  7193.     eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps"

  7194.     reorder_by ${1}_deps LIBRARY_LIST  # linking order is expected later

  7195. }

  7196. 

  7197. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  7198. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  7199. 

  7200. map 'expand_deps $v' $LIBRARY_LIST

  7201. 

  7202. if test "$quiet" != "yes"; then

  7203. 

  7204. echo "install prefix            $prefix"

  7205. echo "source path               $source_path"

  7206. echo "C compiler                $cc"

  7207. echo "C library                 $libc_type"

  7208. if test "$host_cc" != "$cc"; then

  7209.     echo "host C compiler           $host_cc"

  7210.     echo "host C library            $host_libc_type"

  7211. fi

  7212. echo "ARCH                      $arch ($cpu)"

  7213. if test "$build_suffix" != ""; then

  7214.     echo "build suffix              $build_suffix"

  7215. fi

  7216. if test "$progs_suffix" != ""; then

  7217.     echo "progs suffix              $progs_suffix"

  7218. fi

  7219. if test "$extra_version" != ""; then

  7220.     echo "version string suffix     $extra_version"

  7221. fi

  7222. echo "big-endian                ${bigendian-no}"

  7223. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  7224. if enabled x86; then

  7225.     echo "standalone assembly       ${x86asm-no}"

  7226.     echo "x86 assembler             ${x86asmexe}"

  7227.     echo "MMX enabled               ${mmx-no}"

  7228.     echo "MMXEXT enabled            ${mmxext-no}"

  7229.     echo "3DNow! enabled            ${amd3dnow-no}"

  7230.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  7231.     echo "SSE enabled               ${sse-no}"

  7232.     echo "SSSE3 enabled             ${ssse3-no}"

  7233.     echo "AESNI enabled             ${aesni-no}"

  7234.     echo "AVX enabled               ${avx-no}"

  7235.     echo "AVX2 enabled              ${avx2-no}"

  7236.     echo "AVX-512 enabled           ${avx512-no}"

  7237.     echo "XOP enabled               ${xop-no}"

  7238.     echo "FMA3 enabled              ${fma3-no}"

  7239.     echo "FMA4 enabled              ${fma4-no}"

  7240.     echo "i686 features enabled     ${i686-no}"

  7241.     echo "CMOV is fast              ${fast_cmov-no}"

  7242.     echo "EBX available             ${ebx_available-no}"

  7243.     echo "EBP available             ${ebp_available-no}"

  7244. fi

  7245. if enabled aarch64; then

  7246.     echo "NEON enabled              ${neon-no}"

  7247.     echo "VFP enabled               ${vfp-no}"

  7248. fi

  7249. if enabled arm; then

  7250.     echo "ARMv5TE enabled           ${armv5te-no}"

  7251.     echo "ARMv6 enabled             ${armv6-no}"

  7252.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  7253.     echo "VFP enabled               ${vfp-no}"

  7254.     echo "NEON enabled              ${neon-no}"

  7255.     echo "THUMB enabled             ${thumb-no}"

  7256. fi

  7257. if enabled mips; then

  7258.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  7259.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  7260.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  7261.     echo "MIPS MSA enabled          ${msa-no}"

  7262.     echo "MIPS MSA2 enabled         ${msa2-no}"

  7263.     echo "LOONGSON MMI enabled      ${mmi-no}"

  7264. fi

  7265. if enabled ppc; then

  7266.     echo "AltiVec enabled           ${altivec-no}"

  7267.     echo "VSX enabled               ${vsx-no}"

  7268.     echo "POWER8 enabled            ${power8-no}"

  7269.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  7270.     echo "dcbzl available           ${dcbzl-no}"

  7271. fi

  7272. echo "debug symbols             ${debug-no}"

  7273. echo "strip symbols             ${stripping-no}"

  7274. echo "optimize for size         ${small-no}"

  7275. echo "optimizations             ${optimizations-no}"

  7276. echo "static                    ${static-no}"

  7277. echo "shared                    ${shared-no}"

  7278. echo "postprocessing support    ${postproc-no}"

  7279. echo "network support           ${network-no}"

  7280. echo "threading support         ${thread_type-no}"

  7281. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  7282. echo "texi2html enabled         ${texi2html-no}"

  7283. echo "perl enabled              ${perl-no}"

  7284. echo "pod2man enabled           ${pod2man-no}"

  7285. echo "makeinfo enabled          ${makeinfo-no}"

  7286. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  7287. test -n "$random_seed" &&

  7288.     echo "random seed               ${random_seed}"

  7289. echo

  7290. 

  7291. echo "External libraries:"

  7292. print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7293. echo

  7294. 

  7295. echo "External libraries providing hardware acceleration:"

  7296. print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7297. echo

  7298. 

  7299. echo "Libraries:"

  7300. print_enabled '' $LIBRARY_LIST | print_in_columns

  7301. echo

  7302. 

  7303. echo "Programs:"

  7304. print_enabled '' $PROGRAM_LIST | print_in_columns

  7305. echo

  7306. 

  7307. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  7308.     echo "Enabled ${type}s:"

  7309.     eval list=\$$(toupper $type)_LIST

  7310.     print_enabled '_*' $list | print_in_columns

  7311.     echo

  7312. done

  7313. 

  7314. if test -n "$ignore_tests"; then

  7315.     ignore_tests=$(echo $ignore_tests | tr ',' ' ')

  7316.     echo "Ignored FATE tests:"

  7317.     echo $ignore_tests | print_in_columns

  7318.     echo

  7319. fi

  7320. 

  7321. echo "License: $license"

  7322. 

  7323. fi # test "$quiet" != "yes"

  7324. 

  7325. if test -n "$WARN_IF_GETS_DISABLED_LIST"; then

  7326.     for cfg in $WARN_IF_GETS_DISABLED_LIST; do

  7327.         if disabled $cfg; then

  7328.             varname=${cfg}_disable_reason

  7329.             eval "warn \"Disabled $cfg because \$$varname\""

  7330.         fi

  7331.     done

  7332. fi

  7333. 

  7334. if test -n "$WARNINGS"; then

  7335.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  7336.     enabled fatal_warnings && exit 1

  7337. fi

  7338. 

  7339. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  7340. 

  7341. esc(){

  7342.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  7343. }

  7344. 

  7345. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate

  7346. 

  7347. enabled stripping || strip="echo skipping strip"

  7348. enabled stripping || striptype=""

  7349. 

  7350. config_files="$TMPH ffbuild/config.mak doc/config.texi"

  7351. 

  7352. cat > ffbuild/config.mak <<EOF

  7353. # Automatically generated by configure - do not modify!

  7354. ifndef FFMPEG_CONFIG_MAK

  7355. FFMPEG_CONFIG_MAK=1

  7356. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  7357. prefix=$prefix

  7358. LIBDIR=\$(DESTDIR)$libdir

  7359. SHLIBDIR=\$(DESTDIR)$shlibdir

  7360. INCDIR=\$(DESTDIR)$incdir

  7361. BINDIR=\$(DESTDIR)$bindir

  7362. DATADIR=\$(DESTDIR)$datadir

  7363. DOCDIR=\$(DESTDIR)$docdir

  7364. MANDIR=\$(DESTDIR)$mandir

  7365. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  7366. INSTALL_NAME_DIR=$install_name_dir

  7367. SRC_PATH=$source_path

  7368. SRC_LINK=$source_link

  7369. ifndef MAIN_MAKEFILE

  7370. SRC_PATH:=\$(SRC_PATH:.%=..%)

  7371. endif

  7372. CC_IDENT=$cc_ident

  7373. ARCH=$arch

  7374. INTRINSICS=$intrinsics

  7375. EXTERN_PREFIX=$extern_prefix

  7376. CC=$cc

  7377. CXX=$cxx

  7378. AS=$as

  7379. OBJCC=$objcc

  7380. LD=$ld

  7381. DEPCC=$dep_cc

  7382. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  7383. DEPAS=$as

  7384. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  7385. X86ASM=$x86asmexe

  7386. DEPX86ASM=$x86asmexe

  7387. DEPX86ASMFLAGS=\$(X86ASMFLAGS)

  7388. AR=$ar

  7389. ARFLAGS=$arflags

  7390. AR_O=$ar_o

  7391. AR_CMD=$ar

  7392. NM_CMD=$nm

  7393. RANLIB=$ranlib

  7394. STRIP=$strip

  7395. STRIPTYPE=$striptype

  7396. NVCC=$nvcc

  7397. CP=cp -p

  7398. LN_S=$ln_s

  7399. CPPFLAGS=$CPPFLAGS

  7400. CFLAGS=$CFLAGS

  7401. CXXFLAGS=$CXXFLAGS

  7402. OBJCFLAGS=$OBJCFLAGS

  7403. ASFLAGS=$ASFLAGS

  7404. NVCCFLAGS=$nvccflags

  7405. AS_C=$AS_C

  7406. AS_O=$AS_O

  7407. OBJCC_C=$OBJCC_C

  7408. OBJCC_E=$OBJCC_E

  7409. OBJCC_O=$OBJCC_O

  7410. CC_C=$CC_C

  7411. CC_E=$CC_E

  7412. CC_O=$CC_O

  7413. CXX_C=$CXX_C

  7414. CXX_O=$CXX_O

  7415. NVCC_C=$NVCC_C

  7416. NVCC_O=$NVCC_O

  7417. LD_O=$LD_O

  7418. X86ASM_O=$X86ASM_O

  7419. LD_LIB=$LD_LIB

  7420. LD_PATH=$LD_PATH

  7421. DLLTOOL=$dlltool

  7422. WINDRES=$windres

  7423. DEPWINDRES=$dep_cc

  7424. DOXYGEN=$doxygen

  7425. LDFLAGS=$LDFLAGS

  7426. LDEXEFLAGS=$LDEXEFLAGS

  7427. LDSOFLAGS=$LDSOFLAGS

  7428. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  7429. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  7430. X86ASMFLAGS=$X86ASMFLAGS

  7431. BUILDSUF=$build_suffix

  7432. PROGSSUF=$progs_suffix

  7433. FULLNAME=$FULLNAME

  7434. LIBPREF=$LIBPREF

  7435. LIBSUF=$LIBSUF

  7436. LIBNAME=$LIBNAME

  7437. SLIBPREF=$SLIBPREF

  7438. SLIBSUF=$SLIBSUF

  7439. EXESUF=$EXESUF

  7440. EXTRA_VERSION=$extra_version

  7441. CCDEP=$CCDEP

  7442. CXXDEP=$CXXDEP

  7443. CCDEP_FLAGS=$CCDEP_FLAGS

  7444. ASDEP=$ASDEP

  7445. ASDEP_FLAGS=$ASDEP_FLAGS

  7446. X86ASMDEP=$X86ASMDEP

  7447. X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS

  7448. CC_DEPFLAGS=$CC_DEPFLAGS

  7449. AS_DEPFLAGS=$AS_DEPFLAGS

  7450. X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS

  7451. HOSTCC=$host_cc

  7452. HOSTLD=$host_ld

  7453. HOSTCFLAGS=$host_cflags

  7454. HOSTCPPFLAGS=$host_cppflags

  7455. HOSTEXESUF=$HOSTEXESUF

  7456. HOSTLDFLAGS=$host_ldflags

  7457. HOSTEXTRALIBS=$host_extralibs

  7458. DEPHOSTCC=$host_cc

  7459. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  7460. HOSTCCDEP=$HOSTCCDEP

  7461. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  7462. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  7463. HOSTCC_C=$HOSTCC_C

  7464. HOSTCC_O=$HOSTCC_O

  7465. HOSTLD_O=$HOSTLD_O

  7466. TARGET_EXEC=$target_exec $target_exec_args

  7467. TARGET_PATH=$target_path

  7468. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  7469. CFLAGS-ffplay=${sdl2_cflags}

  7470. CFLAGS_HEADERS=$CFLAGS_HEADERS

  7471. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  7472. EXTRALIBS=$extralibs

  7473. COMPAT_OBJS=$compat_objs

  7474. INSTALL=$install

  7475. LIBTARGET=${LIBTARGET}

  7476. SLIBNAME=${SLIBNAME}

  7477. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  7478. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  7479. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  7480. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  7481. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  7482. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  7483. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  7484. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  7485. VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}

  7486. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  7487. NOREDZONE_FLAGS=$noredzone_flags

  7488. LIBFUZZER_PATH=$libfuzzer_path

  7489. IGNORE_TESTS=$ignore_tests

  7490. EOF

  7491. 

  7492. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST

  7493. 

  7494. for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7495.     eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak

  7496. done

  7497. 

  7498. cat > $TMPH <<EOF

  7499. /* Automatically generated by configure - do not modify! */

  7500. #ifndef FFMPEG_CONFIG_H

  7501. #define FFMPEG_CONFIG_H

  7502. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  7503. #define FFMPEG_LICENSE "$(c_escape $license)"

  7504. #define CONFIG_THIS_YEAR 2020

  7505. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  7506. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  7507. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  7508. #define av_restrict $restrict_keyword

  7509. #define EXTERN_PREFIX "${extern_prefix}"

  7510. #define EXTERN_ASM ${extern_prefix}

  7511. #define BUILDSUF "$build_suffix"

  7512. #define SLIBSUF "$SLIBSUF"

  7513. #define HAVE_MMX2 HAVE_MMXEXT

  7514. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  7515. EOF

  7516. 

  7517. test -n "$assert_level" &&

  7518.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  7519. 

  7520. test -n "$malloc_prefix" &&

  7521.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  7522. 

  7523. if enabled x86asm; then

  7524.     append config_files $TMPASM

  7525.     cat > $TMPASM <<EOF

  7526. ; Automatically generated by configure - do not modify!

  7527. EOF

  7528. fi

  7529. 

  7530. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  7531. 

  7532. 

  7533. mkdir -p doc

  7534. mkdir -p tests

  7535. mkdir -p tests/api

  7536. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  7537. 

  7538. print_config ARCH_   "$config_files" $ARCH_LIST

  7539. print_config HAVE_   "$config_files" $HAVE_LIST

  7540. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  7541.                                      $CONFIG_EXTRA      \

  7542.                                      $ALL_COMPONENTS    \

  7543. 

  7544. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  7545. echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak

  7546. 

  7547. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  7548. cp_if_changed $TMPH config.h

  7549. touch ffbuild/.config

  7550. 

  7551. enabled x86asm && cp_if_changed $TMPASM config.asm

  7552. 

  7553. cat > $TMPH <<EOF

  7554. /* Generated by ffmpeg configure */

  7555. #ifndef AVUTIL_AVCONFIG_H

  7556. #define AVUTIL_AVCONFIG_H

  7557. EOF

  7558. 

  7559. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  7560. 

  7561. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  7562. 

  7563. cp_if_changed $TMPH libavutil/avconfig.h

  7564. 

  7565. # full_filter_name_foo=vf_foo

  7566. # full_filter_name_bar=asrc_bar

  7567. # ...

  7568. eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"

  7569. 

  7570. # generate the lists of enabled components

  7571. print_enabled_components(){

  7572.     file=$1

  7573.     struct_name=$2

  7574.     name=$3

  7575.     shift 3

  7576.     echo "static const $struct_name * const $name[] = {" > $TMPH

  7577.     for c in $*; do

  7578.         if enabled $c; then

  7579.             case $name in

  7580.                 filter_list)

  7581.                     eval c=\$full_filter_name_${c%_filter}

  7582.                 ;;

  7583.                 indev_list)

  7584.                     c=${c%_indev}_demuxer

  7585.                 ;;

  7586.                 outdev_list)

  7587.                     c=${c%_outdev}_muxer

  7588.                 ;;

  7589.             esac

  7590.             printf "    &ff_%s,\n" $c >> $TMPH

  7591.         fi

  7592.     done

  7593.     if [ "$name" = "filter_list" ]; then

  7594.         for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do

  7595.             printf "    &ff_%s,\n" $c >> $TMPH

  7596.         done

  7597.     fi

  7598.     echo "    NULL };" >> $TMPH

  7599.     cp_if_changed $TMPH $file

  7600. }

  7601. 

  7602. print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST

  7603. print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST

  7604. print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST

  7605. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  7606. print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST

  7607. print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST

  7608. print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST

  7609. print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST

  7610. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  7611. 

  7612. # Settings for pkg-config files

  7613. 

  7614. cat > $TMPH <<EOF

  7615. # Automatically generated by configure - do not modify!

  7616. shared=$shared

  7617. build_suffix=$build_suffix

  7618. prefix=$prefix

  7619. libdir=$libdir

  7620. incdir=$incdir

  7621. rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")

  7622. source_path=${source_path}

  7623. LIBPREF=${LIBPREF}

  7624. LIBSUF=${LIBSUF}

  7625. extralibs_avutil="$avutil_extralibs"

  7626. extralibs_avcodec="$avcodec_extralibs"

  7627. extralibs_avformat="$avformat_extralibs"

  7628. extralibs_avdevice="$avdevice_extralibs"

  7629. extralibs_avfilter="$avfilter_extralibs"

  7630. extralibs_avresample="$avresample_extralibs"

  7631. extralibs_postproc="$postproc_extralibs"

  7632. extralibs_swscale="$swscale_extralibs"

  7633. extralibs_swresample="$swresample_extralibs"

  7634. EOF

  7635. 

  7636. for lib in $LIBRARY_LIST; do

  7637.     lib_deps="$(eval echo \$${lib}_deps)"

  7638.     echo ${lib}_deps=\"$lib_deps\" >> $TMPH

  7639. done

  7640. 

  7641. cp_if_changed $TMPH ffbuild/config.sh