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FFmpeg
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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-libopenvino     enable OpenVINO as a DNN module backend

  257.                            for DNN based filters like dnn_processing [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  273.                            for DNN based filters like sr [no]

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

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

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

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

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

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

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

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

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

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

  284.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  299.                            for dash demuxing support [no]

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

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

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

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

  304.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  309.   --enable-mediafoundation enable encoding via MediaFoundation [auto]

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

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

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

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

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

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

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

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

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

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

  320.   --disable-sdl2           disable sdl2 [autodetect]

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

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

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

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

  325.   --disable-xlib           disable xlib [autodetect]

  326.   --disable-zlib           disable zlib [autodetect]

  327. 

  328.   The following libraries provide various hardware acceleration features:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  350. 

  351. Toolchain options:

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

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

  354.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

  367.                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,

  368.                            valgrind-massif, valgrind-memcheck,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  409. 

  410. Advanced options (experts only):

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

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

  413.   --disable-symver         disable symbol versioning

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

  415.   --disable-safe-bitstream-reader

  416.                            disable buffer boundary checking in bitreaders

  417.                            (faster, but may crash)

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

  419. 

  420. Optimization options (experts only):

  421.   --disable-asm            disable all assembly optimizations

  422.   --disable-altivec        disable AltiVec optimizations

  423.   --disable-vsx            disable VSX optimizations

  424.   --disable-power8         disable POWER8 optimizations

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

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

  427.   --disable-mmx            disable MMX optimizations

  428.   --disable-mmxext         disable MMXEXT optimizations

  429.   --disable-sse            disable SSE optimizations

  430.   --disable-sse2           disable SSE2 optimizations

  431.   --disable-sse3           disable SSE3 optimizations

  432.   --disable-ssse3          disable SSSE3 optimizations

  433.   --disable-sse4           disable SSE4 optimizations

  434.   --disable-sse42          disable SSE4.2 optimizations

  435.   --disable-avx            disable AVX optimizations

  436.   --disable-xop            disable XOP optimizations

  437.   --disable-fma3           disable FMA3 optimizations

  438.   --disable-fma4           disable FMA4 optimizations

  439.   --disable-avx2           disable AVX2 optimizations

  440.   --disable-avx512         disable AVX-512 optimizations

  441.   --disable-aesni          disable AESNI optimizations

  442.   --disable-armv5te        disable armv5te optimizations

  443.   --disable-armv6          disable armv6 optimizations

  444.   --disable-armv6t2        disable armv6t2 optimizations

  445.   --disable-vfp            disable VFP optimizations

  446.   --disable-neon           disable NEON optimizations

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

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

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

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

  451.   --disable-msa            disable MSA optimizations

  452.   --disable-msa2           disable MSA2 optimizations

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

  454.   --disable-mmi            disable Loongson SIMD optimizations

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

  456. 

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

  458.   --disable-debug          disable debugging symbols

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

  460.   --disable-optimizations  disable compiler optimizations

  461.   --enable-extra-warnings  enable more compiler warnings

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

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

  464.                            2 causes a slowdown at runtime.

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

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

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

  468.                            Cannot be combined with --target-exec

  469.   --enable-ftrapv          Trap arithmetic overflows

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

  471.                            \$FATE_SAMPLES at make invocation time.

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

  473.                            used only for debugging purposes)

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

  475.                            should be used only for debugging purposes)

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

  477.   --disable-random

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

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

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

  481.                            (group) and PROB the probability associated with

  482.                            NAME (default 0.5).

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

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

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

  486.   --enable-ossfuzz         Enable building fuzzer tool

  487.   --libfuzzer=PATH         path to libfuzzer

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

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

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

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

  492. 

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

  494. EOF

  495.   exit 0

  496. }

  497. 

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

  499.     ncolors=$(tput colors)

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

  501.         bold_color=$(tput bold)

  502.         warn_color=$(tput setaf 3)

  503.         error_color=$(tput setaf 1)

  504.         reset_color=$(tput sgr0)

  505.     fi

  506.     # 72 used instead of 80 since that's the default of pr

  507.     ncols=$(tput cols)

  508. fi

  509. : ${ncols:=72}

  510. 

  511. log(){

  512.     echo "$@" >> $logfile

  513. }

  514. 

  515. log_file(){

  516.     log BEGIN "$1"

  517.     log_file_i=1

  518.     while IFS= read -r log_file_line; do

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

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

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

  522.     log END "$1"

  523. }

  524. 

  525. warn(){

  526.     log "WARNING: $*"

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

  528. }

  529. 

  530. die(){

  531.     log "$@"

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

  533.     cat <<EOF

  534. 

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

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

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

  538. EOF

  539.     if disabled logging; then

  540.         cat <<EOF

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

  542. include the log this produces with your report.

  543. EOF

  544.     else

  545.         cat <<EOF

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

  547. solve the problem.

  548. EOF

  549.     fi

  550.     exit 1

  551. }

  552. 

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

  554. toupper(){

  555.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  556. }

  557. 

  558. tolower(){

  559.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  560. }

  561. 

  562. c_escape(){

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

  564. }

  565. 

  566. sh_quote(){

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

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

  569.     echo "$v"

  570. }

  571. 

  572. cleanws(){

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

  574. }

  575. 

  576. filter(){

  577.     pat=$1

  578.     shift

  579.     for v; do

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

  581.     done

  582. }

  583. 

  584. filter_out(){

  585.     pat=$1

  586.     shift

  587.     for v; do

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

  589.     done

  590. }

  591. 

  592. map(){

  593.     m=$1

  594.     shift

  595.     for v; do eval $m; done

  596. }

  597. 

  598. add_suffix(){

  599.     suffix=$1

  600.     shift

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

  602. }

  603. 

  604. remove_suffix(){

  605.     suffix=$1

  606.     shift

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

  608. }

  609. 

  610. set_all(){

  611.     value=$1

  612.     shift

  613.     for var in $*; do

  614.         eval $var=$value

  615.     done

  616. }

  617. 

  618. set_weak(){

  619.     value=$1

  620.     shift

  621.     for var; do

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

  623.     done

  624. }

  625. 

  626. sanitize_var_name(){

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

  628. }

  629. 

  630. set_sanitized(){

  631.     var=$1

  632.     shift

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

  634. }

  635. 

  636. get_sanitized(){

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

  638. }

  639. 

  640. pushvar(){

  641.     for pvar in $*; do

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

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

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

  645.     done

  646. }

  647. 

  648. popvar(){

  649.     for pvar in $*; do

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

  651.         test $level = 0 && continue

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

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

  654.         eval ${pvar}_level=$level

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

  656.     done

  657. }

  658. 

  659. request(){

  660.     for var in $*; do

  661.         eval ${var}_requested=yes

  662.         eval $var=

  663.     done

  664. }

  665. 

  666. warn_if_gets_disabled(){

  667.     for var in $*; do

  668.         WARN_IF_GETS_DISABLED_LIST="$WARN_IF_GETS_DISABLED_LIST $var"

  669.     done

  670. }

  671. 

  672. enable(){

  673.     set_all yes $*

  674. }

  675. 

  676. disable(){

  677.     set_all no $*

  678. }

  679. 

  680. disable_with_reason(){

  681.     disable $1

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

  683.     if requested $1; then

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

  685.     fi

  686. }

  687. 

  688. enable_weak(){

  689.     set_weak yes $*

  690. }

  691. 

  692. disable_weak(){

  693.     set_weak no $*

  694. }

  695. 

  696. enable_sanitized(){

  697.     for var; do

  698.         enable $(sanitize_var_name $var)

  699.     done

  700. }

  701. 

  702. disable_sanitized(){

  703.     for var; do

  704.         disable $(sanitize_var_name $var)

  705.     done

  706. }

  707. 

  708. do_enable_deep(){

  709.     for var; do

  710.         enabled $var && continue

  711.         set -- $var

  712.         eval enable_deep \$${var}_select

  713.         var=$1

  714.         eval enable_deep_weak \$${var}_suggest

  715.     done

  716. }

  717. 

  718. enable_deep(){

  719.     do_enable_deep $*

  720.     enable $*

  721. }

  722. 

  723. enable_deep_weak(){

  724.     for var; do

  725.         disabled $var && continue

  726.         set -- $var

  727.         do_enable_deep $var

  728.         var=$1

  729.         enable_weak $var

  730.     done

  731. }

  732. 

  733. requested(){

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

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

  736. }

  737. 

  738. enabled(){

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

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

  741. }

  742. 

  743. disabled(){

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

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

  746. }

  747. 

  748. enabled_all(){

  749.     for opt; do

  750.         enabled $opt || return 1

  751.     done

  752. }

  753. 

  754. disabled_all(){

  755.     for opt; do

  756.         disabled $opt || return 1

  757.     done

  758. }

  759. 

  760. enabled_any(){

  761.     for opt; do

  762.         enabled $opt && return 0

  763.     done

  764. }

  765. 

  766. disabled_any(){

  767.     for opt; do

  768.         disabled $opt && return 0

  769.     done

  770.     return 1

  771. }

  772. 

  773. set_default(){

  774.     for opt; do

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

  776.     done

  777. }

  778. 

  779. is_in(){

  780.     value=$1

  781.     shift

  782.     for var in $*; do

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

  784.     done

  785.     return 1

  786. }

  787. 

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

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

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

  791. check_deps(){

  792.     for cfg; do

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

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

  795. 

  796.         eval "

  797.         dep_all=\$${cfg}_deps

  798.         dep_any=\$${cfg}_deps_any

  799.         dep_con=\$${cfg}_conflict

  800.         dep_sel=\$${cfg}_select

  801.         dep_sgs=\$${cfg}_suggest

  802.         dep_ifa=\$${cfg}_if

  803.         dep_ifn=\$${cfg}_if_any

  804.         "

  805. 

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

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

  808.             eval ${cfg}_checking=inprogress

  809. 

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

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

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

  813. 

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

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

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

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

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

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

  820. 

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

  822. 

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

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

  825.                 is_in $dep $LIBRARY_LIST && continue

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

  827.             done

  828.         fi

  829. 

  830.         eval ${cfg}_checking=done

  831.     done

  832. }

  833. 

  834. print_config(){

  835.     pfx=$1

  836.     files=$2

  837.     shift 2

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

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

  840.         {

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

  842.             v = \$2;

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

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

  845.             for (f in files) {

  846.                 file = files[f];

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

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

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

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

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

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

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

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

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

  856.                     yesno = \$2;

  857.                     c2 = tolower(c);

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

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

  860.                 }

  861.             }

  862.         }"

  863. }

  864. 

  865. print_enabled(){

  866.     suf=$1

  867.     shift

  868.     for v; do

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

  870.     done

  871. }

  872. 

  873. append(){

  874.     var=$1

  875.     shift

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

  877. }

  878. 

  879. prepend(){

  880.     var=$1

  881.     shift

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

  883. }

  884. 

  885. reverse () {

  886.     eval '

  887.         reverse_out=

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

  889.             reverse_out="$v $reverse_out"

  890.         done

  891.         '$1'=$reverse_out

  892.     '

  893. }

  894. 

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

  896. unique(){

  897.     unique_out=

  898.     eval unique_in=\$$1

  899.     reverse unique_in

  900.     for v in $unique_in; do

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

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

  903.         unique_out="$unique_out$v "

  904.     done

  905.     reverse unique_out

  906.     eval $1=\$unique_out

  907. }

  908. 

  909. resolve(){

  910.     resolve_out=

  911.     eval resolve_in=\$$1

  912.     for v in $resolve_in; do

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

  914.     done

  915.     eval $1=\$resolve_out

  916. }

  917. 

  918. add_cppflags(){

  919.     append CPPFLAGS "$@"

  920. }

  921. 

  922. add_cflags(){

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

  924. }

  925. 

  926. add_cflags_headers(){

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

  928. }

  929. 

  930. add_cxxflags(){

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

  932. }

  933. 

  934. add_objcflags(){

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

  936. }

  937. 

  938. add_asflags(){

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

  940. }

  941. 

  942. add_ldflags(){

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

  944. }

  945. 

  946. add_ldexeflags(){

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

  948. }

  949. 

  950. add_ldsoflags(){

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

  952. }

  953. 

  954. add_extralibs(){

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

  956. }

  957. 

  958. add_stripflags(){

  959.     append ASMSTRIPFLAGS "$@"

  960. }

  961. 

  962. add_host_cppflags(){

  963.     append host_cppflags "$@"

  964. }

  965. 

  966. add_host_cflags(){

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

  968. }

  969. 

  970. add_host_ldflags(){

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

  972. }

  973. 

  974. add_compat(){

  975.     append compat_objs $1

  976.     shift

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

  978. }

  979. 

  980. test_cmd(){

  981.     log "$@"

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

  983. }

  984. 

  985. test_stat(){

  986.     log test_stat "$@"

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

  988. }

  989. 

  990. cc_e(){

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

  992. }

  993. 

  994. cc_o(){

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

  996. }

  997. 

  998. as_o(){

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

  1000. }

  1001. 

  1002. x86asm_o(){

  1003.     eval printf '%s\\n' $X86ASM_O

  1004. }

  1005. 

  1006. ld_o(){

  1007.     eval printf '%s\\n' $LD_O

  1008. }

  1009. 

  1010. hostcc_e(){

  1011.     eval printf '%s\\n' $HOSTCC_E

  1012. }

  1013. 

  1014. hostcc_o(){

  1015.     eval printf '%s\\n' $HOSTCC_O

  1016. }

  1017. 

  1018. nvcc_o(){

  1019.     eval printf '%s\\n' $NVCC_O

  1020. }

  1021. 

  1022. test_cc(){

  1023.     log test_cc "$@"

  1024.     cat > $TMPC

  1025.     log_file $TMPC

  1026.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC

  1027. }

  1028. 

  1029. test_cxx(){

  1030.     log test_cxx "$@"

  1031.     cat > $TMPCPP

  1032.     log_file $TMPCPP

  1033.     test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP

  1034. }

  1035. 

  1036. test_objcc(){

  1037.     log test_objcc "$@"

  1038.     cat > $TMPM

  1039.     log_file $TMPM

  1040.     test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM

  1041. }

  1042. 

  1043. test_nvcc(){

  1044.     log test_nvcc "$@"

  1045.     cat > $TMPCU

  1046.     log_file $TMPCU

  1047.     tmpcu_=$TMPCU

  1048.     tmpo_=$TMPO

  1049.     [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_)

  1050.     test_cmd $nvcc $nvccflags "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_

  1051. }

  1052. 

  1053. check_nvcc() {

  1054.     log check_nvcc "$@"

  1055.     name=$1

  1056.     shift 1

  1057.     disabled $name && return

  1058.     disable $name

  1059.     test_nvcc "$@" <<EOF && enable $name

  1060. extern "C" {

  1061.     __global__ void hello(unsigned char *data) {}

  1062. }

  1063. EOF

  1064. }

  1065. 

  1066. test_cpp(){

  1067.     log test_cpp "$@"

  1068.     cat > $TMPC

  1069.     log_file $TMPC

  1070.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC

  1071. }

  1072. 

  1073. test_as(){

  1074.     log test_as "$@"

  1075.     cat > $TMPS

  1076.     log_file $TMPS

  1077.     test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS

  1078. }

  1079. 

  1080. test_x86asm(){

  1081.     log test_x86asm "$@"

  1082.     echo "$1" > $TMPASM

  1083.     log_file $TMPASM

  1084.     shift

  1085.     test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM

  1086. }

  1087. 

  1088. check_cmd(){

  1089.     log check_cmd "$@"

  1090.     cmd=$1

  1091.     disabled $cmd && return

  1092.     disable $cmd

  1093.     test_cmd $@ && enable $cmd

  1094. }

  1095. 

  1096. check_as(){

  1097.     log check_as "$@"

  1098.     name=$1

  1099.     code=$2

  1100.     shift 2

  1101.     disable $name

  1102.     test_as $@ <<EOF && enable $name

  1103. $code

  1104. EOF

  1105. }

  1106. 

  1107. check_inline_asm(){

  1108.     log check_inline_asm "$@"

  1109.     name="$1"

  1110.     code="$2"

  1111.     shift 2

  1112.     disable $name

  1113.     test_cc "$@" <<EOF && enable $name

  1114. void foo(void){ __asm__ volatile($code); }

  1115. EOF

  1116. }

  1117. 

  1118. check_inline_asm_flags(){

  1119.     log check_inline_asm_flags "$@"

  1120.     name="$1"

  1121.     code="$2"

  1122.     flags=''

  1123.     shift 2

  1124.     while [ "$1" != "" ]; do

  1125.       append flags $1

  1126.       shift

  1127.     done;

  1128.     disable $name

  1129.     cat > $TMPC <<EOF

  1130. void foo(void){ __asm__ volatile($code); }

  1131. EOF

  1132.     log_file $TMPC

  1133.     test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&

  1134.     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags

  1135. }

  1136. 

  1137. check_insn(){

  1138.     log check_insn "$@"

  1139.     check_inline_asm ${1}_inline "\"$2\""

  1140.     check_as ${1}_external "$2"

  1141. }

  1142. 

  1143. check_x86asm(){

  1144.     log check_x86asm "$@"

  1145.     name=$1

  1146.     shift

  1147.     disable $name

  1148.     test_x86asm "$@" && enable $name

  1149. }

  1150. 

  1151. test_ld(){

  1152.     log test_ld "$@"

  1153.     type=$1

  1154.     shift 1

  1155.     flags=$(filter_out '-l*|*.so' $@)

  1156.     libs=$(filter '-l*|*.so' $@)

  1157.     test_$type $($cflags_filter $flags) || return

  1158.     flags=$($ldflags_filter $flags)

  1159.     libs=$($ldflags_filter $libs)

  1160.     test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  1161. }

  1162. 

  1163. check_ld(){

  1164.     log check_ld "$@"

  1165.     type=$1

  1166.     name=$2

  1167.     shift 2

  1168.     disable $name

  1169.     test_ld $type $@ && enable $name

  1170. }

  1171. 

  1172. print_include(){

  1173.     hdr=$1

  1174.     test "${hdr%.h}" = "${hdr}" &&

  1175.         echo "#include $hdr"    ||

  1176.         echo "#include <$hdr>"

  1177. }

  1178. 

  1179. test_code(){

  1180.     log test_code "$@"

  1181.     check=$1

  1182.     headers=$2

  1183.     code=$3

  1184.     shift 3

  1185.     {

  1186.         for hdr in $headers; do

  1187.             print_include $hdr

  1188.         done

  1189.         echo "int main(void) { $code; return 0; }"

  1190.     } | test_$check "$@"

  1191. }

  1192. 

  1193. check_cppflags(){

  1194.     log check_cppflags "$@"

  1195.     test_cpp "$@" <<EOF && append CPPFLAGS "$@"

  1196. #include <stdlib.h>

  1197. EOF

  1198. }

  1199. 

  1200. test_cflags(){

  1201.     log test_cflags "$@"

  1202.     set -- $($cflags_filter "$@")

  1203.     test_cc "$@" <<EOF

  1204. int x;

  1205. EOF

  1206. }

  1207. 

  1208. check_cflags(){

  1209.     log check_cflags "$@"

  1210.     test_cflags "$@" && add_cflags "$@"

  1211. }

  1212. 

  1213. check_cxxflags(){

  1214.     log check_cxxflags "$@"

  1215.     set -- $($cflags_filter "$@")

  1216.     test_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1217. int x;

  1218. EOF

  1219. }

  1220. 

  1221. test_objcflags(){

  1222.     log test_objcflags "$@"

  1223.     set -- $($objcflags_filter "$@")

  1224.     test_objcc "$@" <<EOF

  1225. int x;

  1226. EOF

  1227. }

  1228. 

  1229. check_objcflags(){

  1230.     log check_objcflags "$@"

  1231.     test_objcflags "$@" && add_objcflags "$@"

  1232. }

  1233. 

  1234. test_ldflags(){

  1235.     log test_ldflags "$@"

  1236.     set -- $($ldflags_filter "$@")

  1237.     test_ld "cc" "$@" <<EOF

  1238. int main(void){ return 0; }

  1239. EOF

  1240. }

  1241. 

  1242. check_ldflags(){

  1243.     log check_ldflags "$@"

  1244.     test_ldflags "$@" && add_ldflags "$@"

  1245. }

  1246. 

  1247. test_stripflags(){

  1248.     log test_stripflags "$@"

  1249.     # call test_cc to get a fresh TMPO

  1250.     test_cc <<EOF

  1251. int main(void) { return 0; }

  1252. EOF

  1253.     test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1254. }

  1255. 

  1256. check_stripflags(){

  1257.     log check_stripflags "$@"

  1258.     test_stripflags "$@" && add_stripflags "$@"

  1259. }

  1260. 

  1261. check_headers(){

  1262.     log check_headers "$@"

  1263.     headers=$1

  1264.     shift

  1265.     disable_sanitized $headers

  1266.     {

  1267.         for hdr in $headers; do

  1268.             print_include $hdr

  1269.         done

  1270.         echo "int x;"

  1271.     } | test_cpp "$@" && enable_sanitized $headers

  1272. }

  1273. 

  1274. check_header_objcc(){

  1275.     log check_header_objcc "$@"

  1276.     rm -f -- "$TMPO"

  1277.     header=$1

  1278.     shift

  1279.     disable_sanitized $header

  1280.     {

  1281.        echo "#include <$header>"

  1282.        echo "int main(void) { return 0; }"

  1283.     } | test_objcc && test_stat "$TMPO" && enable_sanitized $header

  1284. }

  1285. 

  1286. check_apple_framework(){

  1287.     log check_apple_framework "$@"

  1288.     framework="$1"

  1289.     name="$(tolower $framework)"

  1290.     header="${framework}/${framework}.h"

  1291.     disable $name

  1292.     check_header_objcc $header &&

  1293.         enable $name && eval ${name}_extralibs='"-framework $framework"'

  1294. }

  1295. 

  1296. check_func(){

  1297.     log check_func "$@"

  1298.     func=$1

  1299.     shift

  1300.     disable $func

  1301.     test_ld "cc" "$@" <<EOF && enable $func

  1302. extern int $func();

  1303. int main(void){ $func(); }

  1304. EOF

  1305. }

  1306. 

  1307. check_complexfunc(){

  1308.     log check_complexfunc "$@"

  1309.     func=$1

  1310.     narg=$2

  1311.     shift 2

  1312.     test $narg = 2 && args="f, g" || args="f * I"

  1313.     disable $func

  1314.     test_ld "cc" "$@" <<EOF && enable $func

  1315. #include <complex.h>

  1316. #include <math.h>

  1317. float foo(complex float f, complex float g) { return $func($args); }

  1318. int main(void){ return (int) foo; }

  1319. EOF

  1320. }

  1321. 

  1322. check_mathfunc(){

  1323.     log check_mathfunc "$@"

  1324.     func=$1

  1325.     narg=$2

  1326.     shift 2

  1327.     test $narg = 2 && args="f, g" || args="f"

  1328.     disable $func

  1329.     test_ld "cc" "$@" <<EOF && enable $func

  1330. #include <math.h>

  1331. float foo(float f, float g) { return $func($args); }

  1332. int main(void){ return (int) foo; }

  1333. EOF

  1334. }

  1335. 

  1336. check_func_headers(){

  1337.     log check_func_headers "$@"

  1338.     headers=$1

  1339.     funcs=$2

  1340.     shift 2

  1341.     {

  1342.         for hdr in $headers; do

  1343.             print_include $hdr

  1344.         done

  1345.         echo "#include <stdint.h>"

  1346.         for func in $funcs; do

  1347.             echo "long check_$func(void) { return (long) $func; }"

  1348.         done

  1349.         echo "int main(void) { int ret = 0;"

  1350.         # LTO could optimize out the test functions without this

  1351.         for func in $funcs; do

  1352.             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"

  1353.         done

  1354.         echo "return ret; }"

  1355.     } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers

  1356. }

  1357. 

  1358. check_class_headers_cpp(){

  1359.     log check_class_headers_cpp "$@"

  1360.     headers=$1

  1361.     classes=$2

  1362.     shift 2

  1363.     {

  1364.         for hdr in $headers; do

  1365.             echo "#include <$hdr>"

  1366.         done

  1367.         echo "int main(void) { "

  1368.         i=1

  1369.         for class in $classes; do

  1370.             echo "$class obj$i;"

  1371.             i=$(expr $i + 1)

  1372.         done

  1373.         echo "return 0; }"

  1374.     } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers

  1375. }

  1376. 

  1377. test_cpp_condition(){

  1378.     log test_cpp_condition "$@"

  1379.     header=$1

  1380.     condition=$2

  1381.     shift 2

  1382.     test_cpp "$@" <<EOF

  1383. #include <$header>

  1384. #if !($condition)

  1385. #error "unsatisfied condition: $condition"

  1386. #endif

  1387. EOF

  1388. }

  1389. 

  1390. check_cpp_condition(){

  1391.     log check_cpp_condition "$@"

  1392.     name=$1

  1393.     shift 1

  1394.     disable $name

  1395.     test_cpp_condition "$@" && enable $name

  1396. }

  1397. 

  1398. test_cflags_cc(){

  1399.     log test_cflags_cc "$@"

  1400.     flags=$1

  1401.     header=$2

  1402.     condition=$3

  1403.     shift 3

  1404.     set -- $($cflags_filter "$flags")

  1405.     test_cc "$@" <<EOF

  1406. #include <$header>

  1407. #if !($condition)

  1408. #error "unsatisfied condition: $condition"

  1409. #endif

  1410. EOF

  1411. }

  1412. 

  1413. check_lib(){

  1414.     log check_lib "$@"

  1415.     name="$1"

  1416.     headers="$2"

  1417.     funcs="$3"

  1418.     shift 3

  1419.     disable $name

  1420.     check_func_headers "$headers" "$funcs" "$@" &&

  1421.         enable $name && eval ${name}_extralibs="\$@"

  1422. }

  1423. 

  1424. check_lib_cpp(){

  1425.     log check_lib_cpp "$@"

  1426.     name="$1"

  1427.     headers="$2"

  1428.     classes="$3"

  1429.     shift 3

  1430.     disable $name

  1431.     check_class_headers_cpp "$headers" "$classes" "$@" &&

  1432.         enable $name && eval ${name}_extralibs="\$@"

  1433. }

  1434. 

  1435. test_pkg_config(){

  1436.     log test_pkg_config "$@"

  1437.     name="$1"

  1438.     pkg_version="$2"

  1439.     pkg="${2%% *}"

  1440.     headers="$3"

  1441.     funcs="$4"

  1442.     shift 4

  1443.     disable $name

  1444.     test_cmd $pkg_config --exists --print-errors $pkg_version || return

  1445.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1446.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1447.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1448.         enable $name &&

  1449.         set_sanitized "${name}_cflags"    $pkg_cflags &&

  1450.         set_sanitized "${name}_extralibs" $pkg_libs

  1451. }

  1452. 

  1453. check_pkg_config(){

  1454.     log check_pkg_config "$@"

  1455.     name="$1"

  1456.     test_pkg_config "$@" &&

  1457.         eval add_cflags \$${name}_cflags

  1458. }

  1459. 

  1460. test_exec(){

  1461.     test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1462. }

  1463. 

  1464. check_exec_crash(){

  1465.     log check_exec_crash "$@"

  1466.     code=$(cat)

  1467. 

  1468.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1469.     # are safe but may not be available everywhere.  Thus we use

  1470.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1471.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1472.     # is not defined by standard C so it is used conditionally.

  1473. 

  1474.     (test_exec "$@") >> $logfile 2>&1 <<EOF

  1475. #include <signal.h>

  1476. static void sighandler(int sig){

  1477.     raise(SIGTERM);

  1478. }

  1479. int foo(void){

  1480.     $code

  1481. }

  1482. int (*func_ptr)(void) = foo;

  1483. int main(void){

  1484.     signal(SIGILL, sighandler);

  1485.     signal(SIGFPE, sighandler);

  1486.     signal(SIGSEGV, sighandler);

  1487. #ifdef SIGBUS

  1488.     signal(SIGBUS, sighandler);

  1489. #endif

  1490.     return func_ptr();

  1491. }

  1492. EOF

  1493. }

  1494. 

  1495. check_type(){

  1496.     log check_type "$@"

  1497.     headers=$1

  1498.     type=$2

  1499.     shift 2

  1500.     disable_sanitized "$type"

  1501.     test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"

  1502. }

  1503. 

  1504. check_struct(){

  1505.     log check_struct "$@"

  1506.     headers=$1

  1507.     struct=$2

  1508.     member=$3

  1509.     shift 3

  1510.     disable_sanitized "${struct}_${member}"

  1511.     test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1512.         enable_sanitized "${struct}_${member}"

  1513. }

  1514. 

  1515. check_builtin(){

  1516.     log check_builtin "$@"

  1517.     name=$1

  1518.     headers=$2

  1519.     builtin=$3

  1520.     shift 3

  1521.     disable "$name"

  1522.     test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1523. }

  1524. 

  1525. check_compile_assert(){

  1526.     log check_compile_assert "$@"

  1527.     name=$1

  1528.     headers=$2

  1529.     condition=$3

  1530.     shift 3

  1531.     disable "$name"

  1532.     test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1533. }

  1534. 

  1535. check_cc(){

  1536.     log check_cc "$@"

  1537.     name=$1

  1538.     shift

  1539.     disable "$name"

  1540.     test_code cc "$@" && enable "$name"

  1541. }

  1542. 

  1543. require(){

  1544.     log require "$@"

  1545.     name_version="$1"

  1546.     name="${1%% *}"

  1547.     shift

  1548.     check_lib $name "$@" || die "ERROR: $name_version not found"

  1549. }

  1550. 

  1551. require_cc(){

  1552.     log require_cc "$@"

  1553.     name="$1"

  1554.     check_cc "$@" || die "ERROR: $name failed"

  1555. }

  1556. 

  1557. require_cpp(){

  1558.     log require_cpp "$@"

  1559.     name_version="$1"

  1560.     name="${1%% *}"

  1561.     shift

  1562.     check_lib_cpp "$name" "$@" || die "ERROR: $name_version not found"

  1563. }

  1564. 

  1565. require_headers(){

  1566.     log require_headers "$@"

  1567.     headers="$1"

  1568.     check_headers "$@" || die "ERROR: $headers not found"

  1569. }

  1570. 

  1571. require_cpp_condition(){

  1572.     log require_cpp_condition "$@"

  1573.     condition="$3"

  1574.     check_cpp_condition "$@" || die "ERROR: $condition not satisfied"

  1575. }

  1576. 

  1577. require_pkg_config(){

  1578.     log require_pkg_config "$@"

  1579.     pkg_version="$2"

  1580.     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"

  1581. }

  1582. 

  1583. test_host_cc(){

  1584.     log test_host_cc "$@"

  1585.     cat > $TMPC

  1586.     log_file $TMPC

  1587.     test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1588. }

  1589. 

  1590. test_host_cpp(){

  1591.     log test_host_cpp "$@"

  1592.     cat > $TMPC

  1593.     log_file $TMPC

  1594.     test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1595. }

  1596. 

  1597. check_host_cppflags(){

  1598.     log check_host_cppflags "$@"

  1599.     test_host_cpp "$@" <<EOF && append host_cppflags "$@"

  1600. #include <stdlib.h>

  1601. EOF

  1602. }

  1603. 

  1604. check_host_cflags(){

  1605.     log check_host_cflags "$@"

  1606.     set -- $($host_cflags_filter "$@")

  1607.     test_host_cc "$@" <<EOF && append host_cflags "$@"

  1608. int x;

  1609. EOF

  1610. }

  1611. 

  1612. test_host_cpp_condition(){

  1613.     log test_host_cpp_condition "$@"

  1614.     header=$1

  1615.     condition=$2

  1616.     shift 2

  1617.     test_host_cpp "$@" <<EOF

  1618. #include <$header>

  1619. #if !($condition)

  1620. #error "unsatisfied condition: $condition"

  1621. #endif

  1622. EOF

  1623. }

  1624. 

  1625. check_host_cpp_condition(){

  1626.     log check_host_cpp_condition "$@"

  1627.     name=$1

  1628.     shift 1

  1629.     disable $name

  1630.     test_host_cpp_condition "$@" && enable $name

  1631. }

  1632. 

  1633. cp_if_changed(){

  1634.     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return

  1635.     mkdir -p "$(dirname $2)"

  1636.     cp -f "$1" "$2"

  1637. }

  1638. 

  1639. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1640. # system-dependent things.

  1641. 

  1642. AVCODEC_COMPONENTS="

  1643.     bsfs

  1644.     decoders

  1645.     encoders

  1646.     hwaccels

  1647.     parsers

  1648. "

  1649. 

  1650. AVDEVICE_COMPONENTS="

  1651.     indevs

  1652.     outdevs

  1653. "

  1654. 

  1655. AVFILTER_COMPONENTS="

  1656.     filters

  1657. "

  1658. 

  1659. AVFORMAT_COMPONENTS="

  1660.     demuxers

  1661.     muxers

  1662.     protocols

  1663. "

  1664. 

  1665. COMPONENT_LIST="

  1666.     $AVCODEC_COMPONENTS

  1667.     $AVDEVICE_COMPONENTS

  1668.     $AVFILTER_COMPONENTS

  1669.     $AVFORMAT_COMPONENTS

  1670. "

  1671. 

  1672. EXAMPLE_LIST="

  1673.     avio_list_dir_example

  1674.     avio_reading_example

  1675.     decode_audio_example

  1676.     decode_video_example

  1677.     demuxing_decoding_example

  1678.     encode_audio_example

  1679.     encode_video_example

  1680.     extract_mvs_example

  1681.     filter_audio_example

  1682.     filtering_audio_example

  1683.     filtering_video_example

  1684.     http_multiclient_example

  1685.     hw_decode_example

  1686.     metadata_example

  1687.     muxing_example

  1688.     qsvdec_example

  1689.     remuxing_example

  1690.     resampling_audio_example

  1691.     scaling_video_example

  1692.     transcode_aac_example

  1693.     transcoding_example

  1694.     vaapi_encode_example

  1695.     vaapi_transcode_example

  1696. "

  1697. 

  1698. EXTERNAL_AUTODETECT_LIBRARY_LIST="

  1699.     alsa

  1700.     appkit

  1701.     avfoundation

  1702.     bzlib

  1703.     coreimage

  1704.     iconv

  1705.     libxcb

  1706.     libxcb_shm

  1707.     libxcb_shape

  1708.     libxcb_xfixes

  1709.     lzma

  1710.     mediafoundation

  1711.     schannel

  1712.     sdl2

  1713.     securetransport

  1714.     sndio

  1715.     xlib

  1716.     zlib

  1717. "

  1718. 

  1719. EXTERNAL_LIBRARY_GPL_LIST="

  1720.     avisynth

  1721.     frei0r

  1722.     libcdio

  1723.     libdavs2

  1724.     librubberband

  1725.     libvidstab

  1726.     libx264

  1727.     libx265

  1728.     libxavs

  1729.     libxavs2

  1730.     libxvid

  1731. "

  1732. 

  1733. EXTERNAL_LIBRARY_NONFREE_LIST="

  1734.     decklink

  1735.     libfdk_aac

  1736.     openssl

  1737.     libtls

  1738. "

  1739. 

  1740. EXTERNAL_LIBRARY_VERSION3_LIST="

  1741.     gmp

  1742.     libaribb24

  1743.     liblensfun

  1744.     libopencore_amrnb

  1745.     libopencore_amrwb

  1746.     libvo_amrwbenc

  1747.     mbedtls

  1748.     rkmpp

  1749. "

  1750. 

  1751. EXTERNAL_LIBRARY_GPLV3_LIST="

  1752.     libsmbclient

  1753. "

  1754. 

  1755. EXTERNAL_LIBRARY_LIST="

  1756.     $EXTERNAL_LIBRARY_GPL_LIST

  1757.     $EXTERNAL_LIBRARY_NONFREE_LIST

  1758.     $EXTERNAL_LIBRARY_VERSION3_LIST

  1759.     $EXTERNAL_LIBRARY_GPLV3_LIST

  1760.     chromaprint

  1761.     gcrypt

  1762.     gnutls

  1763.     jni

  1764.     ladspa

  1765.     libaom

  1766.     libass

  1767.     libbluray

  1768.     libbs2b

  1769.     libcaca

  1770.     libcelt

  1771.     libcodec2

  1772.     libdav1d

  1773.     libdc1394

  1774.     libdrm

  1775.     libflite

  1776.     libfontconfig

  1777.     libfreetype

  1778.     libfribidi

  1779.     libglslang

  1780.     libgme

  1781.     libgsm

  1782.     libiec61883

  1783.     libilbc

  1784.     libjack

  1785.     libklvanc

  1786.     libkvazaar

  1787.     libmodplug

  1788.     libmp3lame

  1789.     libmysofa

  1790.     libopencv

  1791.     libopenh264

  1792.     libopenjpeg

  1793.     libopenmpt

  1794.     libopenvino

  1795.     libopus

  1796.     libpulse

  1797.     librabbitmq

  1798.     librav1e

  1799.     librsvg

  1800.     librtmp

  1801.     libshine

  1802.     libsmbclient

  1803.     libsnappy

  1804.     libsoxr

  1805.     libspeex

  1806.     libsrt

  1807.     libssh

  1808.     libtensorflow

  1809.     libtesseract

  1810.     libtheora

  1811.     libtwolame

  1812.     libv4l2

  1813.     libvmaf

  1814.     libvorbis

  1815.     libvpx

  1816.     libwavpack

  1817.     libwebp

  1818.     libxml2

  1819.     libzimg

  1820.     libzmq

  1821.     libzvbi

  1822.     lv2

  1823.     mediacodec

  1824.     openal

  1825.     opengl

  1826.     pocketsphinx

  1827.     vapoursynth

  1828. "

  1829. 

  1830. HWACCEL_AUTODETECT_LIBRARY_LIST="

  1831.     amf

  1832.     audiotoolbox

  1833.     crystalhd

  1834.     cuda

  1835.     cuda_llvm

  1836.     cuvid

  1837.     d3d11va

  1838.     dxva2

  1839.     ffnvcodec

  1840.     nvdec

  1841.     nvenc

  1842.     vaapi

  1843.     vdpau

  1844.     videotoolbox

  1845.     v4l2_m2m

  1846.     xvmc

  1847. "

  1848. 

  1849. # catchall list of things that require external libs to link

  1850. EXTRALIBS_LIST="

  1851.     cpu_init

  1852.     cws2fws

  1853. "

  1854. 

  1855. HWACCEL_LIBRARY_NONFREE_LIST="

  1856.     cuda_nvcc

  1857.     cuda_sdk

  1858.     libnpp

  1859. "

  1860. 

  1861. HWACCEL_LIBRARY_LIST="

  1862.     $HWACCEL_LIBRARY_NONFREE_LIST

  1863.     libmfx

  1864.     mmal

  1865.     omx

  1866.     opencl

  1867.     vulkan

  1868. "

  1869. 

  1870. DOCUMENT_LIST="

  1871.     doc

  1872.     htmlpages

  1873.     manpages

  1874.     podpages

  1875.     txtpages

  1876. "

  1877. 

  1878. FEATURE_LIST="

  1879.     ftrapv

  1880.     gray

  1881.     hardcoded_tables

  1882.     omx_rpi

  1883.     runtime_cpudetect

  1884.     safe_bitstream_reader

  1885.     shared

  1886.     small

  1887.     static

  1888.     swscale_alpha

  1889. "

  1890. 

  1891. # this list should be kept in linking order

  1892. LIBRARY_LIST="

  1893.     avdevice

  1894.     avfilter

  1895.     swscale

  1896.     postproc

  1897.     avformat

  1898.     avcodec

  1899.     swresample

  1900.     avresample

  1901.     avutil

  1902. "

  1903. 

  1904. LICENSE_LIST="

  1905.     gpl

  1906.     nonfree

  1907.     version3

  1908. "

  1909. 

  1910. PROGRAM_LIST="

  1911.     ffplay

  1912.     ffprobe

  1913.     ffmpeg

  1914. "

  1915. 

  1916. SUBSYSTEM_LIST="

  1917.     dct

  1918.     dwt

  1919.     error_resilience

  1920.     faan

  1921.     fast_unaligned

  1922.     fft

  1923.     lsp

  1924.     lzo

  1925.     mdct

  1926.     pixelutils

  1927.     network

  1928.     rdft

  1929. "

  1930. 

  1931. # COMPONENT_LIST needs to come last to ensure correct dependency checking

  1932. CONFIG_LIST="

  1933.     $DOCUMENT_LIST

  1934.     $EXAMPLE_LIST

  1935.     $EXTERNAL_LIBRARY_LIST

  1936.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1937.     $HWACCEL_LIBRARY_LIST

  1938.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1939.     $FEATURE_LIST

  1940.     $LICENSE_LIST

  1941.     $LIBRARY_LIST

  1942.     $PROGRAM_LIST

  1943.     $SUBSYSTEM_LIST

  1944.     autodetect

  1945.     fontconfig

  1946.     large_tests

  1947.     linux_perf

  1948.     memory_poisoning

  1949.     neon_clobber_test

  1950.     ossfuzz

  1951.     pic

  1952.     thumb

  1953.     valgrind_backtrace

  1954.     xmm_clobber_test

  1955.     $COMPONENT_LIST

  1956. "

  1957. 

  1958. THREADS_LIST="

  1959.     pthreads

  1960.     os2threads

  1961.     w32threads

  1962. "

  1963. 

  1964. ATOMICS_LIST="

  1965.     atomics_gcc

  1966.     atomics_suncc

  1967.     atomics_win32

  1968. "

  1969. 

  1970. AUTODETECT_LIBS="

  1971.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1972.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1973.     $THREADS_LIST

  1974. "

  1975. 

  1976. ARCH_LIST="

  1977.     aarch64

  1978.     alpha

  1979.     arm

  1980.     avr32

  1981.     avr32_ap

  1982.     avr32_uc

  1983.     bfin

  1984.     ia64

  1985.     m68k

  1986.     mips

  1987.     mips64

  1988.     parisc

  1989.     ppc

  1990.     ppc64

  1991.     s390

  1992.     sh4

  1993.     sparc

  1994.     sparc64

  1995.     tilegx

  1996.     tilepro

  1997.     tomi

  1998.     x86

  1999.     x86_32

  2000.     x86_64

  2001. "

  2002. 

  2003. ARCH_EXT_LIST_ARM="

  2004.     armv5te

  2005.     armv6

  2006.     armv6t2

  2007.     armv8

  2008.     neon

  2009.     vfp

  2010.     vfpv3

  2011.     setend

  2012. "

  2013. 

  2014. ARCH_EXT_LIST_MIPS="

  2015.     mipsfpu

  2016.     mips32r2

  2017.     mips32r5

  2018.     mips64r2

  2019.     mips32r6

  2020.     mips64r6

  2021.     mipsdsp

  2022.     mipsdspr2

  2023.     msa

  2024.     msa2

  2025. "

  2026. 

  2027. ARCH_EXT_LIST_LOONGSON="

  2028.     loongson2

  2029.     loongson3

  2030.     mmi

  2031. "

  2032. 

  2033. ARCH_EXT_LIST_X86_SIMD="

  2034.     aesni

  2035.     amd3dnow

  2036.     amd3dnowext

  2037.     avx

  2038.     avx2

  2039.     avx512

  2040.     fma3

  2041.     fma4

  2042.     mmx

  2043.     mmxext

  2044.     sse

  2045.     sse2

  2046.     sse3

  2047.     sse4

  2048.     sse42

  2049.     ssse3

  2050.     xop

  2051. "

  2052. 

  2053. ARCH_EXT_LIST_PPC="

  2054.     altivec

  2055.     dcbzl

  2056.     ldbrx

  2057.     power8

  2058.     ppc4xx

  2059.     vsx

  2060. "

  2061. 

  2062. ARCH_EXT_LIST_X86="

  2063.     $ARCH_EXT_LIST_X86_SIMD

  2064.     cpunop

  2065.     i686

  2066. "

  2067. 

  2068. ARCH_EXT_LIST="

  2069.     $ARCH_EXT_LIST_ARM

  2070.     $ARCH_EXT_LIST_PPC

  2071.     $ARCH_EXT_LIST_X86

  2072.     $ARCH_EXT_LIST_MIPS

  2073.     $ARCH_EXT_LIST_LOONGSON

  2074. "

  2075. 

  2076. ARCH_FEATURES="

  2077.     aligned_stack

  2078.     fast_64bit

  2079.     fast_clz

  2080.     fast_cmov

  2081.     local_aligned

  2082.     simd_align_16

  2083.     simd_align_32

  2084.     simd_align_64

  2085. "

  2086. 

  2087. BUILTIN_LIST="

  2088.     atomic_cas_ptr

  2089.     machine_rw_barrier

  2090.     MemoryBarrier

  2091.     mm_empty

  2092.     rdtsc

  2093.     sem_timedwait

  2094.     sync_val_compare_and_swap

  2095. "

  2096. HAVE_LIST_CMDLINE="

  2097.     inline_asm

  2098.     symver

  2099.     x86asm

  2100. "

  2101. 

  2102. HAVE_LIST_PUB="

  2103.     bigendian

  2104.     fast_unaligned

  2105. "

  2106. 

  2107. HEADERS_LIST="

  2108.     arpa_inet_h

  2109.     asm_types_h

  2110.     cdio_paranoia_h

  2111.     cdio_paranoia_paranoia_h

  2112.     cuda_h

  2113.     dispatch_dispatch_h

  2114.     dev_bktr_ioctl_bt848_h

  2115.     dev_bktr_ioctl_meteor_h

  2116.     dev_ic_bt8xx_h

  2117.     dev_video_bktr_ioctl_bt848_h

  2118.     dev_video_meteor_ioctl_meteor_h

  2119.     direct_h

  2120.     dirent_h

  2121.     dxgidebug_h

  2122.     dxva_h

  2123.     ES2_gl_h

  2124.     gsm_h

  2125.     io_h

  2126.     linux_perf_event_h

  2127.     machine_ioctl_bt848_h

  2128.     machine_ioctl_meteor_h

  2129.     malloc_h

  2130.     opencv2_core_core_c_h

  2131.     OpenGL_gl3_h

  2132.     poll_h

  2133.     sys_param_h

  2134.     sys_resource_h

  2135.     sys_select_h

  2136.     sys_soundcard_h

  2137.     sys_time_h

  2138.     sys_un_h

  2139.     sys_videoio_h

  2140.     termios_h

  2141.     udplite_h

  2142.     unistd_h

  2143.     valgrind_valgrind_h

  2144.     windows_h

  2145.     winsock2_h

  2146. "

  2147. 

  2148. INTRINSICS_LIST="

  2149.     intrinsics_neon

  2150. "

  2151. 

  2152. COMPLEX_FUNCS="

  2153.     cabs

  2154.     cexp

  2155. "

  2156. 

  2157. MATH_FUNCS="

  2158.     atanf

  2159.     atan2f

  2160.     cbrt

  2161.     cbrtf

  2162.     copysign

  2163.     cosf

  2164.     erf

  2165.     exp2

  2166.     exp2f

  2167.     expf

  2168.     hypot

  2169.     isfinite

  2170.     isinf

  2171.     isnan

  2172.     ldexpf

  2173.     llrint

  2174.     llrintf

  2175.     log2

  2176.     log2f

  2177.     log10f

  2178.     lrint

  2179.     lrintf

  2180.     powf

  2181.     rint

  2182.     round

  2183.     roundf

  2184.     sinf

  2185.     trunc

  2186.     truncf

  2187. "

  2188. 

  2189. SYSTEM_FEATURES="

  2190.     dos_paths

  2191.     libc_msvcrt

  2192.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2193.     section_data_rel_ro

  2194.     threads

  2195.     uwp

  2196.     winrt

  2197. "

  2198. 

  2199. SYSTEM_FUNCS="

  2200.     access

  2201.     aligned_malloc

  2202.     arc4random

  2203.     clock_gettime

  2204.     closesocket

  2205.     CommandLineToArgvW

  2206.     fcntl

  2207.     getaddrinfo

  2208.     gethrtime

  2209.     getopt

  2210.     GetModuleHandle

  2211.     GetProcessAffinityMask

  2212.     GetProcessMemoryInfo

  2213.     GetProcessTimes

  2214.     getrusage

  2215.     GetStdHandle

  2216.     GetSystemTimeAsFileTime

  2217.     gettimeofday

  2218.     glob

  2219.     glXGetProcAddress

  2220.     gmtime_r

  2221.     inet_aton

  2222.     isatty

  2223.     kbhit

  2224.     localtime_r

  2225.     lstat

  2226.     lzo1x_999_compress

  2227.     mach_absolute_time

  2228.     MapViewOfFile

  2229.     memalign

  2230.     mkstemp

  2231.     mmap

  2232.     mprotect

  2233.     nanosleep

  2234.     PeekNamedPipe

  2235.     posix_memalign

  2236.     pthread_cancel

  2237.     sched_getaffinity

  2238.     SecItemImport

  2239.     SetConsoleTextAttribute

  2240.     SetConsoleCtrlHandler

  2241.     SetDllDirectory

  2242.     setmode

  2243.     setrlimit

  2244.     Sleep

  2245.     strerror_r

  2246.     sysconf

  2247.     sysctl

  2248.     usleep

  2249.     UTGetOSTypeFromString

  2250.     VirtualAlloc

  2251.     wglGetProcAddress

  2252. "

  2253. 

  2254. SYSTEM_LIBRARIES="

  2255.     bcrypt

  2256.     vaapi_drm

  2257.     vaapi_x11

  2258.     vdpau_x11

  2259. "

  2260. 

  2261. TOOLCHAIN_FEATURES="

  2262.     as_arch_directive

  2263.     as_dn_directive

  2264.     as_fpu_directive

  2265.     as_func

  2266.     as_object_arch

  2267.     asm_mod_q

  2268.     blocks_extension

  2269.     ebp_available

  2270.     ebx_available

  2271.     gnu_as

  2272.     gnu_windres

  2273.     ibm_asm

  2274.     inline_asm_direct_symbol_refs

  2275.     inline_asm_labels

  2276.     inline_asm_nonlocal_labels

  2277.     pragma_deprecated

  2278.     rsync_contimeout

  2279.     symver_asm_label

  2280.     symver_gnu_asm

  2281.     vfp_args

  2282.     xform_asm

  2283.     xmm_clobbers

  2284. "

  2285. 

  2286. TYPES_LIST="

  2287.     kCMVideoCodecType_HEVC

  2288.     kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange

  2289.     kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ

  2290.     kCVImageBufferTransferFunction_ITU_R_2100_HLG

  2291.     kCVImageBufferTransferFunction_Linear

  2292.     socklen_t

  2293.     struct_addrinfo

  2294.     struct_group_source_req

  2295.     struct_ip_mreq_source

  2296.     struct_ipv6_mreq

  2297.     struct_msghdr_msg_flags

  2298.     struct_pollfd

  2299.     struct_rusage_ru_maxrss

  2300.     struct_sctp_event_subscribe

  2301.     struct_sockaddr_in6

  2302.     struct_sockaddr_sa_len

  2303.     struct_sockaddr_storage

  2304.     struct_stat_st_mtim_tv_nsec

  2305.     struct_v4l2_frmivalenum_discrete

  2306. "

  2307. 

  2308. HAVE_LIST="

  2309.     $ARCH_EXT_LIST

  2310.     $(add_suffix _external $ARCH_EXT_LIST)

  2311.     $(add_suffix _inline   $ARCH_EXT_LIST)

  2312.     $ARCH_FEATURES

  2313.     $BUILTIN_LIST

  2314.     $COMPLEX_FUNCS

  2315.     $HAVE_LIST_CMDLINE

  2316.     $HAVE_LIST_PUB

  2317.     $HEADERS_LIST

  2318.     $INTRINSICS_LIST

  2319.     $MATH_FUNCS

  2320.     $SYSTEM_FEATURES

  2321.     $SYSTEM_FUNCS

  2322.     $SYSTEM_LIBRARIES

  2323.     $THREADS_LIST

  2324.     $TOOLCHAIN_FEATURES

  2325.     $TYPES_LIST

  2326.     makeinfo

  2327.     makeinfo_html

  2328.     opencl_d3d11

  2329.     opencl_drm_arm

  2330.     opencl_drm_beignet

  2331.     opencl_dxva2

  2332.     opencl_vaapi_beignet

  2333.     opencl_vaapi_intel_media

  2334.     perl

  2335.     pod2man

  2336.     texi2html

  2337. "

  2338. 

  2339. # options emitted with CONFIG_ prefix but not available on the command line

  2340. CONFIG_EXTRA="

  2341.     aandcttables

  2342.     ac3dsp

  2343.     adts_header

  2344.     audio_frame_queue

  2345.     audiodsp

  2346.     blockdsp

  2347.     bswapdsp

  2348.     cabac

  2349.     cbs

  2350.     cbs_av1

  2351.     cbs_h264

  2352.     cbs_h265

  2353.     cbs_jpeg

  2354.     cbs_mpeg2

  2355.     cbs_vp9

  2356.     dirac_parse

  2357.     dnn

  2358.     dvprofile

  2359.     exif

  2360.     faandct

  2361.     faanidct

  2362.     fdctdsp

  2363.     flacdsp

  2364.     fmtconvert

  2365.     frame_thread_encoder

  2366.     g722dsp

  2367.     golomb

  2368.     gplv3

  2369.     h263dsp

  2370.     h264chroma

  2371.     h264dsp

  2372.     h264parse

  2373.     h264pred

  2374.     h264qpel

  2375.     hevcparse

  2376.     hpeldsp

  2377.     huffman

  2378.     huffyuvdsp

  2379.     huffyuvencdsp

  2380.     idctdsp

  2381.     iirfilter

  2382.     mdct15

  2383.     intrax8

  2384.     iso_media

  2385.     ividsp

  2386.     jpegtables

  2387.     lgplv3

  2388.     libx262

  2389.     llauddsp

  2390.     llviddsp

  2391.     llvidencdsp

  2392.     lpc

  2393.     lzf

  2394.     me_cmp

  2395.     mpeg_er

  2396.     mpegaudio

  2397.     mpegaudiodsp

  2398.     mpegaudioheader

  2399.     mpegvideo

  2400.     mpegvideoenc

  2401.     mss34dsp

  2402.     pixblockdsp

  2403.     qpeldsp

  2404.     qsv

  2405.     qsvdec

  2406.     qsvenc

  2407.     qsvvpp

  2408.     rangecoder

  2409.     riffdec

  2410.     riffenc

  2411.     rtpdec

  2412.     rtpenc_chain

  2413.     rv34dsp

  2414.     scene_sad

  2415.     sinewin

  2416.     snappy

  2417.     srtp

  2418.     startcode

  2419.     texturedsp

  2420.     texturedspenc

  2421.     tpeldsp

  2422.     vaapi_1

  2423.     vaapi_encode

  2424.     vc1dsp

  2425.     videodsp

  2426.     vp3dsp

  2427.     vp56dsp

  2428.     vp8dsp

  2429.     wma_freqs

  2430.     wmv2dsp

  2431. "

  2432. 

  2433. CMDLINE_SELECT="

  2434.     $ARCH_EXT_LIST

  2435.     $CONFIG_LIST

  2436.     $HAVE_LIST_CMDLINE

  2437.     $THREADS_LIST

  2438.     asm

  2439.     cross_compile

  2440.     debug

  2441.     extra_warnings

  2442.     logging

  2443.     lto

  2444.     optimizations

  2445.     rpath

  2446.     stripping

  2447. "

  2448. 

  2449. PATHS_LIST="

  2450.     bindir

  2451.     datadir

  2452.     docdir

  2453.     incdir

  2454.     libdir

  2455.     mandir

  2456.     pkgconfigdir

  2457.     prefix

  2458.     shlibdir

  2459.     install_name_dir

  2460. "

  2461. 

  2462. CMDLINE_SET="

  2463.     $PATHS_LIST

  2464.     ar

  2465.     arch

  2466.     as

  2467.     assert_level

  2468.     build_suffix

  2469.     cc

  2470.     objcc

  2471.     cpu

  2472.     cross_prefix

  2473.     custom_allocator

  2474.     cxx

  2475.     dep_cc

  2476.     doxygen

  2477.     env

  2478.     extra_version

  2479.     gas

  2480.     host_cc

  2481.     host_cflags

  2482.     host_extralibs

  2483.     host_ld

  2484.     host_ldflags

  2485.     host_os

  2486.     ignore_tests

  2487.     install

  2488.     ld

  2489.     ln_s

  2490.     logfile

  2491.     malloc_prefix

  2492.     nm

  2493.     optflags

  2494.     nvcc

  2495.     nvccflags

  2496.     pkg_config

  2497.     pkg_config_flags

  2498.     progs_suffix

  2499.     random_seed

  2500.     ranlib

  2501.     samples

  2502.     strip

  2503.     sws_max_filter_size

  2504.     sysinclude

  2505.     sysroot

  2506.     target_exec

  2507.     target_os

  2508.     target_path

  2509.     target_samples

  2510.     tempprefix

  2511.     toolchain

  2512.     valgrind

  2513.     windres

  2514.     x86asmexe

  2515. "

  2516. 

  2517. CMDLINE_APPEND="

  2518.     extra_cflags

  2519.     extra_cxxflags

  2520.     extra_objcflags

  2521.     host_cppflags

  2522. "

  2523. 

  2524. # code dependency declarations

  2525. 

  2526. # architecture extensions

  2527. 

  2528. armv5te_deps="arm"

  2529. armv6_deps="arm"

  2530. armv6t2_deps="arm"

  2531. armv8_deps="aarch64"

  2532. neon_deps_any="aarch64 arm"

  2533. intrinsics_neon_deps="neon"

  2534. vfp_deps_any="aarch64 arm"

  2535. vfpv3_deps="vfp"

  2536. setend_deps="arm"

  2537. 

  2538. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2539. 

  2540. altivec_deps="ppc"

  2541. dcbzl_deps="ppc"

  2542. ldbrx_deps="ppc"

  2543. ppc4xx_deps="ppc"

  2544. vsx_deps="altivec"

  2545. power8_deps="vsx"

  2546. 

  2547. loongson2_deps="mips"

  2548. loongson3_deps="mips"

  2549. mips32r2_deps="mips"

  2550. mips32r5_deps="mips"

  2551. mips32r6_deps="mips"

  2552. mips64r2_deps="mips"

  2553. mips64r6_deps="mips"

  2554. mipsfpu_deps="mips"

  2555. mipsdsp_deps="mips"

  2556. mipsdspr2_deps="mips"

  2557. mmi_deps="mips"

  2558. msa_deps="mipsfpu"

  2559. msa2_deps="msa"

  2560. 

  2561. cpunop_deps="i686"

  2562. x86_64_select="i686"

  2563. x86_64_suggest="fast_cmov"

  2564. 

  2565. amd3dnow_deps="mmx"

  2566. amd3dnowext_deps="amd3dnow"

  2567. i686_deps="x86"

  2568. mmx_deps="x86"

  2569. mmxext_deps="mmx"

  2570. sse_deps="mmxext"

  2571. sse2_deps="sse"

  2572. sse3_deps="sse2"

  2573. ssse3_deps="sse3"

  2574. sse4_deps="ssse3"

  2575. sse42_deps="sse4"

  2576. aesni_deps="sse42"

  2577. avx_deps="sse42"

  2578. xop_deps="avx"

  2579. fma3_deps="avx"

  2580. fma4_deps="avx"

  2581. avx2_deps="avx"

  2582. avx512_deps="avx2"

  2583. 

  2584. mmx_external_deps="x86asm"

  2585. mmx_inline_deps="inline_asm x86"

  2586. mmx_suggest="mmx_external mmx_inline"

  2587. 

  2588. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2589.     eval dep=\$${ext}_deps

  2590.     eval ${ext}_external_deps='"${dep}_external"'

  2591.     eval ${ext}_inline_deps='"${dep}_inline"'

  2592.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2593. done

  2594. 

  2595. aligned_stack_if_any="aarch64 ppc x86"

  2596. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2597. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2598. fast_unaligned_if_any="aarch64 ppc x86"

  2599. simd_align_16_if_any="altivec neon sse"

  2600. simd_align_32_if_any="avx"

  2601. simd_align_64_if_any="avx512"

  2602. 

  2603. # system capabilities

  2604. linux_perf_deps="linux_perf_event_h"

  2605. symver_if_any="symver_asm_label symver_gnu_asm"

  2606. valgrind_backtrace_conflict="optimizations"

  2607. valgrind_backtrace_deps="valgrind_valgrind_h"

  2608. 

  2609. # threading support

  2610. atomics_gcc_if="sync_val_compare_and_swap"

  2611. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2612. atomics_win32_if="MemoryBarrier"

  2613. atomics_native_if_any="$ATOMICS_LIST"

  2614. w32threads_deps="atomics_native"

  2615. threads_if_any="$THREADS_LIST"

  2616. 

  2617. # subsystems

  2618. cbs_av1_select="cbs"

  2619. cbs_h264_select="cbs"

  2620. cbs_h265_select="cbs"

  2621. cbs_jpeg_select="cbs"

  2622. cbs_mpeg2_select="cbs"

  2623. cbs_vp9_select="cbs"

  2624. dct_select="rdft"

  2625. dirac_parse_select="golomb"

  2626. dnn_suggest="libtensorflow libopenvino"

  2627. error_resilience_select="me_cmp"

  2628. faandct_deps="faan"

  2629. faandct_select="fdctdsp"

  2630. faanidct_deps="faan"

  2631. faanidct_select="idctdsp"

  2632. h264dsp_select="startcode"

  2633. hevcparse_select="golomb"

  2634. frame_thread_encoder_deps="encoders threads"

  2635. intrax8_select="blockdsp idctdsp"

  2636. mdct_select="fft"

  2637. mdct15_select="fft"

  2638. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2639. mpeg_er_select="error_resilience"

  2640. mpegaudio_select="mpegaudiodsp mpegaudioheader"

  2641. mpegaudiodsp_select="dct"

  2642. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2643. mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"

  2644. vc1dsp_select="h264chroma qpeldsp startcode"

  2645. rdft_select="fft"

  2646. 

  2647. # decoders / encoders

  2648. aac_decoder_select="adts_header mdct15 mdct sinewin"

  2649. aac_fixed_decoder_select="adts_header mdct sinewin"

  2650. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2651. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2652. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2653. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2654. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2655. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2656. acelp_kelvin_decoder_select="audiodsp"

  2657. adpcm_g722_decoder_select="g722dsp"

  2658. adpcm_g722_encoder_select="g722dsp"

  2659. aic_decoder_select="golomb idctdsp"

  2660. alac_encoder_select="lpc"

  2661. als_decoder_select="bswapdsp"

  2662. amrnb_decoder_select="lsp"

  2663. amrwb_decoder_select="lsp"

  2664. amv_decoder_select="sp5x_decoder exif"

  2665. amv_encoder_select="jpegtables mpegvideoenc"

  2666. ape_decoder_select="bswapdsp llauddsp"

  2667. apng_decoder_deps="zlib"

  2668. apng_encoder_deps="zlib"

  2669. apng_encoder_select="llvidencdsp"

  2670. aptx_decoder_select="audio_frame_queue"

  2671. aptx_encoder_select="audio_frame_queue"

  2672. aptx_hd_decoder_select="audio_frame_queue"

  2673. aptx_hd_encoder_select="audio_frame_queue"

  2674. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2675. asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2676. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2677. asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2678. atrac1_decoder_select="mdct sinewin"

  2679. atrac3_decoder_select="mdct"

  2680. atrac3al_decoder_select="mdct"

  2681. atrac3p_decoder_select="mdct sinewin"

  2682. atrac3pal_decoder_select="mdct sinewin"

  2683. atrac9_decoder_select="mdct"

  2684. avrn_decoder_select="exif jpegtables"

  2685. bink_decoder_select="blockdsp hpeldsp"

  2686. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2687. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2688. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2689. clearvideo_decoder_select="idctdsp"

  2690. cllc_decoder_select="bswapdsp"

  2691. comfortnoise_encoder_select="lpc"

  2692. cook_decoder_select="audiodsp mdct sinewin"

  2693. cscd_decoder_select="lzo"

  2694. cscd_decoder_suggest="zlib"

  2695. dca_decoder_select="mdct"

  2696. dca_encoder_select="mdct"

  2697. dds_decoder_select="texturedsp"

  2698. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2699. dnxhd_decoder_select="blockdsp idctdsp"

  2700. dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2701. dolby_e_decoder_select="mdct"

  2702. dvvideo_decoder_select="dvprofile idctdsp"

  2703. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2704. dxa_decoder_deps="zlib"

  2705. dxv_decoder_select="lzf texturedsp"

  2706. eac3_decoder_select="ac3_decoder"

  2707. eac3_encoder_select="ac3_encoder"

  2708. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2709. eatgq_decoder_select="aandcttables"

  2710. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2711. exr_decoder_deps="zlib"

  2712. ffv1_decoder_select="rangecoder"

  2713. ffv1_encoder_select="rangecoder"

  2714. ffvhuff_decoder_select="huffyuv_decoder"

  2715. ffvhuff_encoder_select="huffyuv_encoder"

  2716. fic_decoder_select="golomb"

  2717. flac_decoder_select="flacdsp"

  2718. flac_encoder_select="bswapdsp flacdsp lpc"

  2719. flashsv2_decoder_deps="zlib"

  2720. flashsv2_encoder_deps="zlib"

  2721. flashsv_decoder_deps="zlib"

  2722. flashsv_encoder_deps="zlib"

  2723. flv_decoder_select="h263_decoder"

  2724. flv_encoder_select="h263_encoder"

  2725. fourxm_decoder_select="blockdsp bswapdsp"

  2726. fraps_decoder_select="bswapdsp huffman"

  2727. g2m_decoder_deps="zlib"

  2728. g2m_decoder_select="blockdsp idctdsp jpegtables"

  2729. g729_decoder_select="audiodsp"

  2730. h261_decoder_select="mpegvideo"

  2731. h261_encoder_select="mpegvideoenc"

  2732. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2733. h263_encoder_select="h263dsp mpegvideoenc"

  2734. h263i_decoder_select="h263_decoder"

  2735. h263p_decoder_select="h263_decoder"

  2736. h263p_encoder_select="h263_encoder"

  2737. h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"

  2738. h264_decoder_suggest="error_resilience"

  2739. hap_decoder_select="snappy texturedsp"

  2740. hap_encoder_deps="libsnappy"

  2741. hap_encoder_select="texturedspenc"

  2742. hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"

  2743. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2744. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"

  2745. hymt_decoder_select="huffyuv_decoder"

  2746. iac_decoder_select="imc_decoder"

  2747. imc_decoder_select="bswapdsp fft mdct sinewin"

  2748. imm4_decoder_select="bswapdsp"

  2749. imm5_decoder_select="h264_decoder hevc_decoder"

  2750. indeo3_decoder_select="hpeldsp"

  2751. indeo4_decoder_select="ividsp"

  2752. indeo5_decoder_select="ividsp"

  2753. interplay_video_decoder_select="hpeldsp"

  2754. jpegls_decoder_select="mjpeg_decoder"

  2755. jv_decoder_select="blockdsp"

  2756. lagarith_decoder_select="llviddsp"

  2757. ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"

  2758. lscr_decoder_deps="zlib"

  2759. magicyuv_decoder_select="llviddsp"

  2760. magicyuv_encoder_select="llvidencdsp"

  2761. mdec_decoder_select="blockdsp bswapdsp idctdsp mpegvideo"

  2762. metasound_decoder_select="lsp mdct sinewin"

  2763. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2764. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2765. mjpeg_encoder_select="jpegtables mpegvideoenc"

  2766. mjpegb_decoder_select="mjpeg_decoder"

  2767. mlp_decoder_select="mlp_parser"

  2768. mlp_encoder_select="lpc audio_frame_queue"

  2769. motionpixels_decoder_select="bswapdsp"

  2770. mp1_decoder_select="mpegaudio"

  2771. mp1float_decoder_select="mpegaudio"

  2772. mp2_decoder_select="mpegaudio"

  2773. mp2float_decoder_select="mpegaudio"

  2774. mp3_decoder_select="mpegaudio"

  2775. mp3adu_decoder_select="mpegaudio"

  2776. mp3adufloat_decoder_select="mpegaudio"

  2777. mp3float_decoder_select="mpegaudio"

  2778. mp3on4_decoder_select="mpegaudio"

  2779. mp3on4float_decoder_select="mpegaudio"

  2780. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2781. mpc8_decoder_select="mpegaudiodsp"

  2782. mpegvideo_decoder_select="mpegvideo"

  2783. mpeg1video_decoder_select="mpegvideo"

  2784. mpeg1video_encoder_select="mpegvideoenc h263dsp"

  2785. mpeg2video_decoder_select="mpegvideo"

  2786. mpeg2video_encoder_select="mpegvideoenc h263dsp"

  2787. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2788. mpeg4_encoder_select="h263_encoder"

  2789. msa1_decoder_select="mss34dsp"

  2790. mscc_decoder_deps="zlib"

  2791. msmpeg4v1_decoder_select="h263_decoder"

  2792. msmpeg4v2_decoder_select="h263_decoder"

  2793. msmpeg4v2_encoder_select="h263_encoder"

  2794. msmpeg4v3_decoder_select="h263_decoder"

  2795. msmpeg4v3_encoder_select="h263_encoder"

  2796. mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"

  2797. mts2_decoder_select="mss34dsp"

  2798. mv30_decoder_select="aandcttables blockdsp"

  2799. mvha_decoder_deps="zlib"

  2800. mvha_decoder_select="llviddsp"

  2801. mwsc_decoder_deps="zlib"

  2802. mxpeg_decoder_select="mjpeg_decoder"

  2803. nellymoser_decoder_select="mdct sinewin"

  2804. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2805. notchlc_decoder_select="lzf"

  2806. nuv_decoder_select="idctdsp lzo"

  2807. on2avc_decoder_select="mdct"

  2808. opus_decoder_deps="swresample"

  2809. opus_decoder_select="mdct15"

  2810. opus_encoder_select="audio_frame_queue mdct15"

  2811. png_decoder_deps="zlib"

  2812. png_encoder_deps="zlib"

  2813. png_encoder_select="llvidencdsp"

  2814. prores_decoder_select="blockdsp idctdsp"

  2815. prores_encoder_select="fdctdsp"

  2816. qcelp_decoder_select="lsp"

  2817. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2818. ra_144_decoder_select="audiodsp"

  2819. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2820. ralf_decoder_select="golomb"

  2821. rasc_decoder_deps="zlib"

  2822. rawvideo_decoder_select="bswapdsp"

  2823. rscc_decoder_deps="zlib"

  2824. rtjpeg_decoder_select="me_cmp"

  2825. rv10_decoder_select="h263_decoder"

  2826. rv10_encoder_select="h263_encoder"

  2827. rv20_decoder_select="h263_decoder"

  2828. rv20_encoder_select="h263_encoder"

  2829. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2830. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2831. screenpresso_decoder_deps="zlib"

  2832. shorten_decoder_select="bswapdsp"

  2833. sipr_decoder_select="lsp"

  2834. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2835. snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2836. sonic_decoder_select="golomb rangecoder"

  2837. sonic_encoder_select="golomb rangecoder"

  2838. sonic_ls_encoder_select="golomb rangecoder"

  2839. sp5x_decoder_select="mjpeg_decoder"

  2840. speedhq_decoder_select="mpegvideo"

  2841. srgc_decoder_deps="zlib"

  2842. svq1_decoder_select="hpeldsp"

  2843. svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"

  2844. svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"

  2845. svq3_decoder_suggest="zlib"

  2846. tak_decoder_select="audiodsp"

  2847. tdsc_decoder_deps="zlib"

  2848. tdsc_decoder_select="mjpeg_decoder"

  2849. theora_decoder_select="vp3_decoder"

  2850. thp_decoder_select="mjpeg_decoder"

  2851. tiff_decoder_select="mjpeg_decoder"

  2852. tiff_decoder_suggest="zlib lzma"

  2853. tiff_encoder_suggest="zlib"

  2854. truehd_decoder_select="mlp_parser"

  2855. truehd_encoder_select="lpc audio_frame_queue"

  2856. truemotion2_decoder_select="bswapdsp"

  2857. truespeech_decoder_select="bswapdsp"

  2858. tscc_decoder_deps="zlib"

  2859. twinvq_decoder_select="mdct lsp sinewin"

  2860. txd_decoder_select="texturedsp"

  2861. utvideo_decoder_select="bswapdsp llviddsp"

  2862. utvideo_encoder_select="bswapdsp huffman llvidencdsp"

  2863. vble_decoder_select="llviddsp"

  2864. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2865. vc1image_decoder_select="vc1_decoder"

  2866. vorbis_decoder_select="mdct"

  2867. vorbis_encoder_select="audio_frame_queue mdct"

  2868. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2869. vp4_decoder_select="vp3_decoder"

  2870. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2871. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2872. vp6a_decoder_select="vp6_decoder"

  2873. vp6f_decoder_select="vp6_decoder"

  2874. vp7_decoder_select="h264pred videodsp vp8dsp"

  2875. vp8_decoder_select="h264pred videodsp vp8dsp"

  2876. vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"

  2877. wcmv_decoder_deps="zlib"

  2878. webp_decoder_select="vp8_decoder exif"

  2879. wmalossless_decoder_select="llauddsp"

  2880. wmapro_decoder_select="mdct sinewin wma_freqs"

  2881. wmav1_decoder_select="mdct sinewin wma_freqs"

  2882. wmav1_encoder_select="mdct sinewin wma_freqs"

  2883. wmav2_decoder_select="mdct sinewin wma_freqs"

  2884. wmav2_encoder_select="mdct sinewin wma_freqs"

  2885. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2886. wmv1_decoder_select="h263_decoder"

  2887. wmv1_encoder_select="h263_encoder"

  2888. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2889. wmv2_encoder_select="h263_encoder wmv2dsp"

  2890. wmv3_decoder_select="vc1_decoder"

  2891. wmv3image_decoder_select="wmv3_decoder"

  2892. xma1_decoder_select="wmapro_decoder"

  2893. xma2_decoder_select="wmapro_decoder"

  2894. ylc_decoder_select="bswapdsp"

  2895. zerocodec_decoder_deps="zlib"

  2896. zlib_decoder_deps="zlib"

  2897. zlib_encoder_deps="zlib"

  2898. zmbv_decoder_deps="zlib"

  2899. zmbv_encoder_deps="zlib"

  2900. 

  2901. # hardware accelerators

  2902. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2903. cuda_deps="ffnvcodec"

  2904. cuvid_deps="ffnvcodec"

  2905. d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2906. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"

  2907. ffnvcodec_deps_any="libdl LoadLibrary"

  2908. nvdec_deps="ffnvcodec"

  2909. vaapi_x11_deps="xlib"

  2910. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2911. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2912. xvmc_deps="X11_extensions_XvMClib_h"

  2913. 

  2914. h263_vaapi_hwaccel_deps="vaapi"

  2915. h263_vaapi_hwaccel_select="h263_decoder"

  2916. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2917. h263_videotoolbox_hwaccel_select="h263_decoder"

  2918. h264_d3d11va_hwaccel_deps="d3d11va"

  2919. h264_d3d11va_hwaccel_select="h264_decoder"

  2920. h264_d3d11va2_hwaccel_deps="d3d11va"

  2921. h264_d3d11va2_hwaccel_select="h264_decoder"

  2922. h264_dxva2_hwaccel_deps="dxva2"

  2923. h264_dxva2_hwaccel_select="h264_decoder"

  2924. h264_nvdec_hwaccel_deps="nvdec"

  2925. h264_nvdec_hwaccel_select="h264_decoder"

  2926. h264_vaapi_hwaccel_deps="vaapi"

  2927. h264_vaapi_hwaccel_select="h264_decoder"

  2928. h264_vdpau_hwaccel_deps="vdpau"

  2929. h264_vdpau_hwaccel_select="h264_decoder"

  2930. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2931. h264_videotoolbox_hwaccel_select="h264_decoder"

  2932. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2933. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2934. hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2935. hevc_d3d11va2_hwaccel_select="hevc_decoder"

  2936. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2937. hevc_dxva2_hwaccel_select="hevc_decoder"

  2938. hevc_nvdec_hwaccel_deps="nvdec"

  2939. hevc_nvdec_hwaccel_select="hevc_decoder"

  2940. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2941. hevc_vaapi_hwaccel_select="hevc_decoder"

  2942. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2943. hevc_vdpau_hwaccel_select="hevc_decoder"

  2944. hevc_videotoolbox_hwaccel_deps="videotoolbox"

  2945. hevc_videotoolbox_hwaccel_select="hevc_decoder"

  2946. mjpeg_nvdec_hwaccel_deps="nvdec"

  2947. mjpeg_nvdec_hwaccel_select="mjpeg_decoder"

  2948. mjpeg_vaapi_hwaccel_deps="vaapi"

  2949. mjpeg_vaapi_hwaccel_select="mjpeg_decoder"

  2950. mpeg_xvmc_hwaccel_deps="xvmc"

  2951. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2952. mpeg1_nvdec_hwaccel_deps="nvdec"

  2953. mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"

  2954. mpeg1_vdpau_hwaccel_deps="vdpau"

  2955. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2956. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2957. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2958. mpeg1_xvmc_hwaccel_deps="xvmc"

  2959. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2960. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2961. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2962. mpeg2_d3d11va2_hwaccel_deps="d3d11va"

  2963. mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"

  2964. mpeg2_dxva2_hwaccel_deps="dxva2"

  2965. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2966. mpeg2_nvdec_hwaccel_deps="nvdec"

  2967. mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"

  2968. mpeg2_vaapi_hwaccel_deps="vaapi"

  2969. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2970. mpeg2_vdpau_hwaccel_deps="vdpau"

  2971. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2972. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2973. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2974. mpeg2_xvmc_hwaccel_deps="xvmc"

  2975. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2976. mpeg4_nvdec_hwaccel_deps="nvdec"

  2977. mpeg4_nvdec_hwaccel_select="mpeg4_decoder"

  2978. mpeg4_vaapi_hwaccel_deps="vaapi"

  2979. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2980. mpeg4_vdpau_hwaccel_deps="vdpau"

  2981. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2982. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2983. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2984. vc1_d3d11va_hwaccel_deps="d3d11va"

  2985. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2986. vc1_d3d11va2_hwaccel_deps="d3d11va"

  2987. vc1_d3d11va2_hwaccel_select="vc1_decoder"

  2988. vc1_dxva2_hwaccel_deps="dxva2"

  2989. vc1_dxva2_hwaccel_select="vc1_decoder"

  2990. vc1_nvdec_hwaccel_deps="nvdec"

  2991. vc1_nvdec_hwaccel_select="vc1_decoder"

  2992. vc1_vaapi_hwaccel_deps="vaapi"

  2993. vc1_vaapi_hwaccel_select="vc1_decoder"

  2994. vc1_vdpau_hwaccel_deps="vdpau"

  2995. vc1_vdpau_hwaccel_select="vc1_decoder"

  2996. vp8_nvdec_hwaccel_deps="nvdec"

  2997. vp8_nvdec_hwaccel_select="vp8_decoder"

  2998. vp8_vaapi_hwaccel_deps="vaapi"

  2999. vp8_vaapi_hwaccel_select="vp8_decoder"

  3000. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  3001. vp9_d3d11va_hwaccel_select="vp9_decoder"

  3002. vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  3003. vp9_d3d11va2_hwaccel_select="vp9_decoder"

  3004. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  3005. vp9_dxva2_hwaccel_select="vp9_decoder"

  3006. vp9_nvdec_hwaccel_deps="nvdec"

  3007. vp9_nvdec_hwaccel_select="vp9_decoder"

  3008. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"

  3009. vp9_vaapi_hwaccel_select="vp9_decoder"

  3010. vp9_vdpau_hwaccel_deps="vdpau VdpPictureInfoVP9"

  3011. vp9_vdpau_hwaccel_select="vp9_decoder"

  3012. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  3013. wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"

  3014. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  3015. wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"

  3016. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  3017. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  3018. 

  3019. # hardware-accelerated codecs

  3020. mediafoundation_deps="mftransform_h MFCreateAlignedMemoryBuffer"

  3021. mediafoundation_extralibs="-lmfplat -lmfuuid -lole32 -lstrmiids"

  3022. omx_deps="libdl pthreads"

  3023. omx_rpi_select="omx"

  3024. qsv_deps="libmfx"

  3025. qsvdec_select="qsv"

  3026. qsvenc_select="qsv"

  3027. qsvvpp_select="qsv"

  3028. vaapi_encode_deps="vaapi"

  3029. v4l2_m2m_deps="linux_videodev2_h sem_timedwait"

  3030. 

  3031. hwupload_cuda_filter_deps="ffnvcodec"

  3032. scale_npp_filter_deps="ffnvcodec libnpp"

  3033. scale_cuda_filter_deps="ffnvcodec"

  3034. scale_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3035. thumbnail_cuda_filter_deps="ffnvcodec"

  3036. thumbnail_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3037. transpose_npp_filter_deps="ffnvcodec libnpp"

  3038. overlay_cuda_filter_deps="ffnvcodec"

  3039. overlay_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3040. 

  3041. amf_deps_any="libdl LoadLibrary"

  3042. nvenc_deps="ffnvcodec"

  3043. nvenc_deps_any="libdl LoadLibrary"

  3044. nvenc_encoder_deps="nvenc"

  3045. 

  3046. aac_mf_encoder_deps="mediafoundation"

  3047. ac3_mf_encoder_deps="mediafoundation"

  3048. h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"

  3049. h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"

  3050. h264_amf_encoder_deps="amf"

  3051. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  3052. h264_cuvid_decoder_deps="cuvid"

  3053. h264_cuvid_decoder_select="h264_mp4toannexb_bsf"

  3054. h264_mediacodec_decoder_deps="mediacodec"

  3055. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  3056. h264_mf_encoder_deps="mediafoundation"

  3057. h264_mmal_decoder_deps="mmal"

  3058. h264_nvenc_encoder_deps="nvenc"

  3059. h264_omx_encoder_deps="omx"

  3060. h264_qsv_decoder_select="h264_mp4toannexb_bsf qsvdec"

  3061. h264_qsv_encoder_select="qsvenc"

  3062. h264_rkmpp_decoder_deps="rkmpp"

  3063. h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"

  3064. h264_vaapi_encoder_select="cbs_h264 vaapi_encode"

  3065. h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"

  3066. h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"

  3067. h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"

  3068. hevc_amf_encoder_deps="amf"

  3069. hevc_cuvid_decoder_deps="cuvid"

  3070. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"

  3071. hevc_mediacodec_decoder_deps="mediacodec"

  3072. hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"

  3073. hevc_mf_encoder_deps="mediafoundation"

  3074. hevc_nvenc_encoder_deps="nvenc"

  3075. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf qsvdec"

  3076. hevc_qsv_encoder_select="hevcparse qsvenc"

  3077. hevc_rkmpp_decoder_deps="rkmpp"

  3078. hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"

  3079. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  3080. hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"

  3081. hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"

  3082. hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"

  3083. hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"

  3084. mjpeg_cuvid_decoder_deps="cuvid"

  3085. mjpeg_qsv_decoder_select="qsvdec"

  3086. mjpeg_qsv_encoder_deps="libmfx"

  3087. mjpeg_qsv_encoder_select="qsvenc"

  3088. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  3089. mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"

  3090. mp3_mf_encoder_deps="mediafoundation"

  3091. mpeg1_cuvid_decoder_deps="cuvid"

  3092. mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"

  3093. mpeg2_crystalhd_decoder_select="crystalhd"

  3094. mpeg2_cuvid_decoder_deps="cuvid"

  3095. mpeg2_mmal_decoder_deps="mmal"

  3096. mpeg2_mediacodec_decoder_deps="mediacodec"

  3097. mpeg2_qsv_decoder_select="qsvdec"

  3098. mpeg2_qsv_encoder_select="qsvenc"

  3099. mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"

  3100. mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"

  3101. mpeg4_crystalhd_decoder_select="crystalhd"

  3102. mpeg4_cuvid_decoder_deps="cuvid"

  3103. mpeg4_mediacodec_decoder_deps="mediacodec"

  3104. mpeg4_mmal_decoder_deps="mmal"

  3105. mpeg4_omx_encoder_deps="omx"

  3106. mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3107. mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3108. msmpeg4_crystalhd_decoder_select="crystalhd"

  3109. nvenc_h264_encoder_select="h264_nvenc_encoder"

  3110. nvenc_hevc_encoder_select="hevc_nvenc_encoder"

  3111. vc1_crystalhd_decoder_select="crystalhd"

  3112. vc1_cuvid_decoder_deps="cuvid"

  3113. vc1_mmal_decoder_deps="mmal"

  3114. vc1_qsv_decoder_select="qsvdec"

  3115. vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"

  3116. vp8_cuvid_decoder_deps="cuvid"

  3117. vp8_mediacodec_decoder_deps="mediacodec"

  3118. vp8_qsv_decoder_select="qsvdec"

  3119. vp8_rkmpp_decoder_deps="rkmpp"

  3120. vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"

  3121. vp8_vaapi_encoder_select="vaapi_encode"

  3122. vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3123. vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3124. vp9_cuvid_decoder_deps="cuvid"

  3125. vp9_mediacodec_decoder_deps="mediacodec"

  3126. vp9_qsv_decoder_select="qsvdec"

  3127. vp9_rkmpp_decoder_deps="rkmpp"

  3128. vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"

  3129. vp9_vaapi_encoder_select="vaapi_encode"

  3130. vp9_qsv_encoder_deps="libmfx MFX_CODEC_VP9"

  3131. vp9_qsv_encoder_select="qsvenc"

  3132. vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"

  3133. wmv3_crystalhd_decoder_select="crystalhd"

  3134. 

  3135. # parsers

  3136. aac_parser_select="adts_header"

  3137. av1_parser_select="cbs_av1"

  3138. h264_parser_select="golomb h264dsp h264parse"

  3139. hevc_parser_select="hevcparse"

  3140. mpegaudio_parser_select="mpegaudioheader"

  3141. mpegvideo_parser_select="mpegvideo"

  3142. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  3143. vc1_parser_select="vc1dsp"

  3144. 

  3145. # bitstream_filters

  3146. aac_adtstoasc_bsf_select="adts_header"

  3147. av1_frame_merge_bsf_select="cbs_av1"

  3148. av1_frame_split_bsf_select="cbs_av1"

  3149. av1_metadata_bsf_select="cbs_av1"

  3150. eac3_core_bsf_select="ac3_parser"

  3151. filter_units_bsf_select="cbs"

  3152. h264_metadata_bsf_deps="const_nan"

  3153. h264_metadata_bsf_select="cbs_h264"

  3154. h264_redundant_pps_bsf_select="cbs_h264"

  3155. hevc_metadata_bsf_select="cbs_h265"

  3156. mjpeg2jpeg_bsf_select="jpegtables"

  3157. mpeg2_metadata_bsf_select="cbs_mpeg2"

  3158. trace_headers_bsf_select="cbs"

  3159. vp9_metadata_bsf_select="cbs_vp9"

  3160. 

  3161. # external libraries

  3162. aac_at_decoder_deps="audiotoolbox"

  3163. aac_at_decoder_select="aac_adtstoasc_bsf"

  3164. ac3_at_decoder_deps="audiotoolbox"

  3165. ac3_at_decoder_select="ac3_parser"

  3166. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  3167. alac_at_decoder_deps="audiotoolbox"

  3168. amr_nb_at_decoder_deps="audiotoolbox"

  3169. avisynth_deps_any="libdl LoadLibrary"

  3170. avisynth_demuxer_deps="avisynth"

  3171. avisynth_demuxer_select="riffdec"

  3172. eac3_at_decoder_deps="audiotoolbox"

  3173. eac3_at_decoder_select="ac3_parser"

  3174. gsm_ms_at_decoder_deps="audiotoolbox"

  3175. ilbc_at_decoder_deps="audiotoolbox"

  3176. mp1_at_decoder_deps="audiotoolbox"

  3177. mp2_at_decoder_deps="audiotoolbox"

  3178. mp3_at_decoder_deps="audiotoolbox"

  3179. mp1_at_decoder_select="mpegaudioheader"

  3180. mp2_at_decoder_select="mpegaudioheader"

  3181. mp3_at_decoder_select="mpegaudioheader"

  3182. pcm_alaw_at_decoder_deps="audiotoolbox"

  3183. pcm_mulaw_at_decoder_deps="audiotoolbox"

  3184. qdmc_decoder_select="fft"

  3185. qdmc_at_decoder_deps="audiotoolbox"

  3186. qdm2_at_decoder_deps="audiotoolbox"

  3187. aac_at_encoder_deps="audiotoolbox"

  3188. aac_at_encoder_select="audio_frame_queue"

  3189. alac_at_encoder_deps="audiotoolbox"

  3190. alac_at_encoder_select="audio_frame_queue"

  3191. ilbc_at_encoder_deps="audiotoolbox"

  3192. ilbc_at_encoder_select="audio_frame_queue"

  3193. pcm_alaw_at_encoder_deps="audiotoolbox"

  3194. pcm_alaw_at_encoder_select="audio_frame_queue"

  3195. pcm_mulaw_at_encoder_deps="audiotoolbox"

  3196. pcm_mulaw_at_encoder_select="audio_frame_queue"

  3197. chromaprint_muxer_deps="chromaprint"

  3198. h264_videotoolbox_encoder_deps="pthreads"

  3199. h264_videotoolbox_encoder_select="videotoolbox_encoder"

  3200. hevc_videotoolbox_encoder_deps="pthreads"

  3201. hevc_videotoolbox_encoder_select="videotoolbox_encoder"

  3202. libaom_av1_decoder_deps="libaom"

  3203. libaom_av1_encoder_deps="libaom"

  3204. libaom_av1_encoder_select="extract_extradata_bsf"

  3205. libaribb24_decoder_deps="libaribb24"

  3206. libcelt_decoder_deps="libcelt"

  3207. libcodec2_decoder_deps="libcodec2"

  3208. libcodec2_encoder_deps="libcodec2"

  3209. libdav1d_decoder_deps="libdav1d"

  3210. libdavs2_decoder_deps="libdavs2"

  3211. libfdk_aac_decoder_deps="libfdk_aac"

  3212. libfdk_aac_encoder_deps="libfdk_aac"

  3213. libfdk_aac_encoder_select="audio_frame_queue"

  3214. libgme_demuxer_deps="libgme"

  3215. libgsm_decoder_deps="libgsm"

  3216. libgsm_encoder_deps="libgsm"

  3217. libgsm_ms_decoder_deps="libgsm"

  3218. libgsm_ms_encoder_deps="libgsm"

  3219. libilbc_decoder_deps="libilbc"

  3220. libilbc_encoder_deps="libilbc"

  3221. libkvazaar_encoder_deps="libkvazaar"

  3222. libmodplug_demuxer_deps="libmodplug"

  3223. libmp3lame_encoder_deps="libmp3lame"

  3224. libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"

  3225. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  3226. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  3227. libopencore_amrnb_encoder_select="audio_frame_queue"

  3228. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  3229. libopenh264_decoder_deps="libopenh264"

  3230. libopenh264_decoder_select="h264_mp4toannexb_bsf"

  3231. libopenh264_encoder_deps="libopenh264"

  3232. libopenjpeg_decoder_deps="libopenjpeg"

  3233. libopenjpeg_encoder_deps="libopenjpeg"

  3234. libopenmpt_demuxer_deps="libopenmpt"

  3235. libopus_decoder_deps="libopus"

  3236. libopus_encoder_deps="libopus"

  3237. libopus_encoder_select="audio_frame_queue"

  3238. librav1e_encoder_deps="librav1e"

  3239. librav1e_encoder_select="extract_extradata_bsf"

  3240. librsvg_decoder_deps="librsvg"

  3241. libshine_encoder_deps="libshine"

  3242. libshine_encoder_select="audio_frame_queue"

  3243. libspeex_decoder_deps="libspeex"

  3244. libspeex_encoder_deps="libspeex"

  3245. libspeex_encoder_select="audio_frame_queue"

  3246. libtheora_encoder_deps="libtheora"

  3247. libtwolame_encoder_deps="libtwolame"

  3248. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  3249. libvorbis_decoder_deps="libvorbis"

  3250. libvorbis_encoder_deps="libvorbis libvorbisenc"

  3251. libvorbis_encoder_select="audio_frame_queue"

  3252. libvpx_vp8_decoder_deps="libvpx"

  3253. libvpx_vp8_encoder_deps="libvpx"

  3254. libvpx_vp9_decoder_deps="libvpx"

  3255. libvpx_vp9_encoder_deps="libvpx"

  3256. libwavpack_encoder_deps="libwavpack"

  3257. libwavpack_encoder_select="audio_frame_queue"

  3258. libwebp_encoder_deps="libwebp"

  3259. libwebp_anim_encoder_deps="libwebp"

  3260. libx262_encoder_deps="libx262"

  3261. libx264_encoder_deps="libx264"

  3262. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  3263. libx264rgb_encoder_select="libx264_encoder"

  3264. libx265_encoder_deps="libx265"

  3265. libxavs_encoder_deps="libxavs"

  3266. libxavs2_encoder_deps="libxavs2"

  3267. libxvid_encoder_deps="libxvid"

  3268. libzvbi_teletext_decoder_deps="libzvbi"

  3269. vapoursynth_demuxer_deps="vapoursynth"

  3270. videotoolbox_suggest="coreservices"

  3271. videotoolbox_deps="corefoundation coremedia corevideo"

  3272. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  3273. 

  3274. # demuxers / muxers

  3275. ac3_demuxer_select="ac3_parser"

  3276. act_demuxer_select="riffdec"

  3277. aiff_muxer_select="iso_media"

  3278. asf_demuxer_select="riffdec"

  3279. asf_o_demuxer_select="riffdec"

  3280. asf_muxer_select="riffenc"

  3281. asf_stream_muxer_select="asf_muxer"

  3282. av1_demuxer_select="av1_frame_merge_bsf av1_parser"

  3283. avi_demuxer_select="iso_media riffdec exif"

  3284. avi_muxer_select="riffenc"

  3285. caf_demuxer_select="iso_media riffdec"

  3286. caf_muxer_select="iso_media"

  3287. dash_muxer_select="mp4_muxer"

  3288. dash_demuxer_deps="libxml2"

  3289. dirac_demuxer_select="dirac_parser"

  3290. dts_demuxer_select="dca_parser"

  3291. dtshd_demuxer_select="dca_parser"

  3292. dv_demuxer_select="dvprofile"

  3293. dv_muxer_select="dvprofile"

  3294. dxa_demuxer_select="riffdec"

  3295. eac3_demuxer_select="ac3_parser"

  3296. f4v_muxer_select="mov_muxer"

  3297. fifo_muxer_deps="threads"

  3298. flac_demuxer_select="flac_parser"

  3299. flv_muxer_select="aac_adtstoasc_bsf"

  3300. gxf_muxer_select="pcm_rechunk_bsf"

  3301. hds_muxer_select="flv_muxer"

  3302. hls_muxer_select="mpegts_muxer"

  3303. hls_muxer_suggest="gcrypt openssl"

  3304. image2_alias_pix_demuxer_select="image2_demuxer"

  3305. image2_brender_pix_demuxer_select="image2_demuxer"

  3306. ipod_muxer_select="mov_muxer"

  3307. ismv_muxer_select="mov_muxer"

  3308. ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"

  3309. latm_muxer_select="aac_adtstoasc_bsf"

  3310. matroska_audio_muxer_select="matroska_muxer"

  3311. matroska_demuxer_select="iso_media riffdec"

  3312. matroska_demuxer_suggest="bzlib lzo zlib"

  3313. matroska_muxer_select="iso_media riffenc vp9_superframe_bsf aac_adtstoasc_bsf"

  3314. mlp_demuxer_select="mlp_parser"

  3315. mmf_muxer_select="riffenc"

  3316. mov_demuxer_select="iso_media riffdec"

  3317. mov_demuxer_suggest="zlib"

  3318. mov_muxer_select="iso_media riffenc rtpenc_chain vp9_superframe_bsf aac_adtstoasc_bsf"

  3319. mp3_demuxer_select="mpegaudio_parser"

  3320. mp3_muxer_select="mpegaudioheader"

  3321. mp4_muxer_select="mov_muxer"

  3322. mpegts_demuxer_select="iso_media"

  3323. mpegts_muxer_select="adts_muxer latm_muxer h264_mp4toannexb_bsf hevc_mp4toannexb_bsf"

  3324. mpegtsraw_demuxer_select="mpegts_demuxer"

  3325. mxf_muxer_select="golomb pcm_rechunk_bsf"

  3326. mxf_d10_muxer_select="mxf_muxer"

  3327. mxf_opatom_muxer_select="mxf_muxer"

  3328. nut_muxer_select="riffenc"

  3329. nuv_demuxer_select="riffdec"

  3330. oga_muxer_select="ogg_muxer"

  3331. ogg_demuxer_select="dirac_parse"

  3332. ogv_muxer_select="ogg_muxer"

  3333. opus_muxer_select="ogg_muxer"

  3334. psp_muxer_select="mov_muxer"

  3335. rtp_demuxer_select="sdp_demuxer"

  3336. rtp_muxer_select="golomb jpegtables"

  3337. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  3338. rtsp_demuxer_select="http_protocol rtpdec"

  3339. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  3340. sap_demuxer_select="sdp_demuxer"

  3341. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  3342. sdp_demuxer_select="rtpdec"

  3343. smoothstreaming_muxer_select="ismv_muxer"

  3344. spdif_demuxer_select="adts_header"

  3345. spdif_muxer_select="adts_header"

  3346. spx_muxer_select="ogg_muxer"

  3347. swf_demuxer_suggest="zlib"

  3348. tak_demuxer_select="tak_parser"

  3349. truehd_demuxer_select="mlp_parser"

  3350. tg2_muxer_select="mov_muxer"

  3351. tgp_muxer_select="mov_muxer"

  3352. vobsub_demuxer_select="mpegps_demuxer"

  3353. w64_demuxer_select="wav_demuxer"

  3354. w64_muxer_select="wav_muxer"

  3355. wav_demuxer_select="riffdec"

  3356. wav_muxer_select="riffenc"

  3357. webm_chunk_muxer_select="webm_muxer"

  3358. webm_muxer_select="iso_media riffenc"

  3359. webm_dash_manifest_demuxer_select="matroska_demuxer"

  3360. wtv_demuxer_select="mpegts_demuxer riffdec"

  3361. wtv_muxer_select="mpegts_muxer riffenc"

  3362. xmv_demuxer_select="riffdec"

  3363. xwma_demuxer_select="riffdec"

  3364. 

  3365. # indevs / outdevs

  3366. android_camera_indev_deps="android camera2ndk mediandk pthreads"

  3367. android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"

  3368. alsa_indev_deps="alsa"

  3369. alsa_outdev_deps="alsa"

  3370. avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"

  3371. avfoundation_indev_suggest="coregraphics applicationservices"

  3372. avfoundation_indev_extralibs="-framework Foundation"

  3373. audiotoolbox_outdev_deps="audiotoolbox pthreads"

  3374. audiotoolbox_outdev_extralibs="-framework AudioToolbox -framework CoreAudio"

  3375. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  3376. caca_outdev_deps="libcaca"

  3377. decklink_deps_any="libdl LoadLibrary"

  3378. decklink_indev_deps="decklink threads"

  3379. decklink_indev_extralibs="-lstdc++"

  3380. decklink_outdev_deps="decklink threads"

  3381. decklink_outdev_suggest="libklvanc"

  3382. decklink_outdev_extralibs="-lstdc++"

  3383. dshow_indev_deps="IBaseFilter"

  3384. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  3385. fbdev_indev_deps="linux_fb_h"

  3386. fbdev_outdev_deps="linux_fb_h"

  3387. gdigrab_indev_deps="CreateDIBSection"

  3388. gdigrab_indev_extralibs="-lgdi32"

  3389. gdigrab_indev_select="bmp_decoder"

  3390. iec61883_indev_deps="libiec61883"

  3391. jack_indev_deps="libjack"

  3392. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  3393. kmsgrab_indev_deps="libdrm"

  3394. lavfi_indev_deps="avfilter"

  3395. libcdio_indev_deps="libcdio"

  3396. libdc1394_indev_deps="libdc1394"

  3397. openal_indev_deps="openal"

  3398. opengl_outdev_deps="opengl"

  3399. opengl_outdev_suggest="sdl2"

  3400. oss_indev_deps_any="sys_soundcard_h"

  3401. oss_outdev_deps_any="sys_soundcard_h"

  3402. pulse_indev_deps="libpulse"

  3403. pulse_outdev_deps="libpulse"

  3404. sdl2_outdev_deps="sdl2"

  3405. sndio_indev_deps="sndio"

  3406. sndio_outdev_deps="sndio"

  3407. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  3408. v4l2_indev_suggest="libv4l2"

  3409. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  3410. v4l2_outdev_suggest="libv4l2"

  3411. vfwcap_indev_deps="vfw32 vfwcap_defines"

  3412. xcbgrab_indev_deps="libxcb"

  3413. xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"

  3414. xv_outdev_deps="xlib"

  3415. 

  3416. # protocols

  3417. async_protocol_deps="threads"

  3418. bluray_protocol_deps="libbluray"

  3419. ffrtmpcrypt_protocol_conflict="librtmp_protocol"

  3420. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"

  3421. ffrtmpcrypt_protocol_select="tcp_protocol"

  3422. ffrtmphttp_protocol_conflict="librtmp_protocol"

  3423. ffrtmphttp_protocol_select="http_protocol"

  3424. ftp_protocol_select="tcp_protocol"

  3425. gopher_protocol_select="network"

  3426. http_protocol_select="tcp_protocol"

  3427. http_protocol_suggest="zlib"

  3428. httpproxy_protocol_select="tcp_protocol"

  3429. httpproxy_protocol_suggest="zlib"

  3430. https_protocol_select="tls_protocol"

  3431. https_protocol_suggest="zlib"

  3432. icecast_protocol_select="http_protocol"

  3433. mmsh_protocol_select="http_protocol"

  3434. mmst_protocol_select="network"

  3435. rtmp_protocol_conflict="librtmp_protocol"

  3436. rtmp_protocol_select="tcp_protocol"

  3437. rtmp_protocol_suggest="zlib"

  3438. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  3439. rtmpe_protocol_suggest="zlib"

  3440. rtmps_protocol_conflict="librtmp_protocol"

  3441. rtmps_protocol_select="tls_protocol"

  3442. rtmps_protocol_suggest="zlib"

  3443. rtmpt_protocol_select="ffrtmphttp_protocol"

  3444. rtmpt_protocol_suggest="zlib"

  3445. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  3446. rtmpte_protocol_suggest="zlib"

  3447. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  3448. rtmpts_protocol_suggest="zlib"

  3449. rtp_protocol_select="udp_protocol"

  3450. schannel_conflict="openssl gnutls libtls mbedtls"

  3451. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  3452. sctp_protocol_select="network"

  3453. securetransport_conflict="openssl gnutls libtls mbedtls"

  3454. srtp_protocol_select="rtp_protocol srtp"

  3455. tcp_protocol_select="network"

  3456. tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"

  3457. tls_protocol_select="tcp_protocol"

  3458. udp_protocol_select="network"

  3459. udplite_protocol_select="network"

  3460. unix_protocol_deps="sys_un_h"

  3461. unix_protocol_select="network"

  3462. 

  3463. # external library protocols

  3464. libamqp_protocol_deps="librabbitmq"

  3465. libamqp_protocol_select="network"

  3466. librtmp_protocol_deps="librtmp"

  3467. librtmpe_protocol_deps="librtmp"

  3468. librtmps_protocol_deps="librtmp"

  3469. librtmpt_protocol_deps="librtmp"

  3470. librtmpte_protocol_deps="librtmp"

  3471. libsmbclient_protocol_deps="libsmbclient gplv3"

  3472. libsrt_protocol_deps="libsrt"

  3473. libsrt_protocol_select="network"

  3474. libssh_protocol_deps="libssh"

  3475. libtls_conflict="openssl gnutls mbedtls"

  3476. libzmq_protocol_deps="libzmq"

  3477. libzmq_protocol_select="network"

  3478. 

  3479. # filters

  3480. afftdn_filter_deps="avcodec"

  3481. afftdn_filter_select="fft"

  3482. afftfilt_filter_deps="avcodec"

  3483. afftfilt_filter_select="fft"

  3484. afir_filter_deps="avcodec"

  3485. afir_filter_select="rdft"

  3486. amovie_filter_deps="avcodec avformat"

  3487. aresample_filter_deps="swresample"

  3488. asr_filter_deps="pocketsphinx"

  3489. ass_filter_deps="libass"

  3490. atempo_filter_deps="avcodec"

  3491. atempo_filter_select="rdft"

  3492. avgblur_opencl_filter_deps="opencl"

  3493. avgblur_vulkan_filter_deps="vulkan libglslang"

  3494. azmq_filter_deps="libzmq"

  3495. blackframe_filter_deps="gpl"

  3496. bm3d_filter_deps="avcodec"

  3497. bm3d_filter_select="dct"

  3498. boxblur_filter_deps="gpl"

  3499. boxblur_opencl_filter_deps="opencl gpl"

  3500. bs2b_filter_deps="libbs2b"

  3501. chromaber_vulkan_filter_deps="vulkan libglslang"

  3502. colorkey_opencl_filter_deps="opencl"

  3503. colormatrix_filter_deps="gpl"

  3504. convolution_opencl_filter_deps="opencl"

  3505. convolve_filter_deps="avcodec"

  3506. convolve_filter_select="fft"

  3507. coreimage_filter_deps="coreimage appkit"

  3508. coreimage_filter_extralibs="-framework OpenGL"

  3509. coreimagesrc_filter_deps="coreimage appkit"

  3510. coreimagesrc_filter_extralibs="-framework OpenGL"

  3511. cover_rect_filter_deps="avcodec avformat gpl"

  3512. cropdetect_filter_deps="gpl"

  3513. deconvolve_filter_deps="avcodec"

  3514. deconvolve_filter_select="fft"

  3515. deinterlace_qsv_filter_deps="libmfx"

  3516. deinterlace_vaapi_filter_deps="vaapi"

  3517. delogo_filter_deps="gpl"

  3518. denoise_vaapi_filter_deps="vaapi"

  3519. derain_filter_select="dnn"

  3520. deshake_filter_select="pixelutils"

  3521. deshake_opencl_filter_deps="opencl"

  3522. dilation_opencl_filter_deps="opencl"

  3523. dnn_processing_filter_deps="swscale"

  3524. dnn_processing_filter_select="dnn"

  3525. drawtext_filter_deps="libfreetype"

  3526. drawtext_filter_suggest="libfontconfig libfribidi"

  3527. elbg_filter_deps="avcodec"

  3528. eq_filter_deps="gpl"

  3529. erosion_opencl_filter_deps="opencl"

  3530. fftfilt_filter_deps="avcodec"

  3531. fftfilt_filter_select="rdft"

  3532. fftdnoiz_filter_deps="avcodec"

  3533. fftdnoiz_filter_select="fft"

  3534. find_rect_filter_deps="avcodec avformat gpl"

  3535. firequalizer_filter_deps="avcodec"

  3536. firequalizer_filter_select="rdft"

  3537. flite_filter_deps="libflite"

  3538. framerate_filter_select="scene_sad"

  3539. freezedetect_filter_select="scene_sad"

  3540. frei0r_filter_deps="frei0r libdl"

  3541. frei0r_src_filter_deps="frei0r libdl"

  3542. fspp_filter_deps="gpl"

  3543. headphone_filter_select="fft"

  3544. histeq_filter_deps="gpl"

  3545. hqdn3d_filter_deps="gpl"

  3546. interlace_filter_deps="gpl"

  3547. kerndeint_filter_deps="gpl"

  3548. ladspa_filter_deps="ladspa libdl"

  3549. lensfun_filter_deps="liblensfun version3"

  3550. lv2_filter_deps="lv2"

  3551. mcdeint_filter_deps="avcodec gpl"

  3552. movie_filter_deps="avcodec avformat"

  3553. mpdecimate_filter_deps="gpl"

  3554. mpdecimate_filter_select="pixelutils"

  3555. minterpolate_filter_select="scene_sad"

  3556. mptestsrc_filter_deps="gpl"

  3557. negate_filter_deps="lut_filter"

  3558. nlmeans_opencl_filter_deps="opencl"

  3559. nnedi_filter_deps="gpl"

  3560. ocr_filter_deps="libtesseract"

  3561. ocv_filter_deps="libopencv"

  3562. openclsrc_filter_deps="opencl"

  3563. overlay_opencl_filter_deps="opencl"

  3564. overlay_qsv_filter_deps="libmfx"

  3565. overlay_qsv_filter_select="qsvvpp"

  3566. overlay_vulkan_filter_deps="vulkan libglslang"

  3567. owdenoise_filter_deps="gpl"

  3568. pad_opencl_filter_deps="opencl"

  3569. pan_filter_deps="swresample"

  3570. perspective_filter_deps="gpl"

  3571. phase_filter_deps="gpl"

  3572. pp7_filter_deps="gpl"

  3573. pp_filter_deps="gpl postproc"

  3574. prewitt_opencl_filter_deps="opencl"

  3575. procamp_vaapi_filter_deps="vaapi"

  3576. program_opencl_filter_deps="opencl"

  3577. pullup_filter_deps="gpl"

  3578. removelogo_filter_deps="avcodec avformat swscale"

  3579. repeatfields_filter_deps="gpl"

  3580. resample_filter_deps="avresample"

  3581. roberts_opencl_filter_deps="opencl"

  3582. rubberband_filter_deps="librubberband"

  3583. sab_filter_deps="gpl swscale"

  3584. scale2ref_filter_deps="swscale"

  3585. scale_filter_deps="swscale"

  3586. scale_qsv_filter_deps="libmfx"

  3587. scdet_filter_select="scene_sad"

  3588. select_filter_select="scene_sad"

  3589. sharpness_vaapi_filter_deps="vaapi"

  3590. showcqt_filter_deps="avcodec avformat swscale"

  3591. showcqt_filter_suggest="libfontconfig libfreetype"

  3592. showcqt_filter_select="fft"

  3593. showfreqs_filter_deps="avcodec"

  3594. showfreqs_filter_select="fft"

  3595. showspatial_filter_select="fft"

  3596. showspectrum_filter_deps="avcodec"

  3597. showspectrum_filter_select="fft"

  3598. showspectrumpic_filter_deps="avcodec"

  3599. showspectrumpic_filter_select="fft"

  3600. signature_filter_deps="gpl avcodec avformat"

  3601. sinc_filter_select="rdft"

  3602. smartblur_filter_deps="gpl swscale"

  3603. sobel_opencl_filter_deps="opencl"

  3604. sofalizer_filter_deps="libmysofa avcodec"

  3605. sofalizer_filter_select="fft"

  3606. spectrumsynth_filter_deps="avcodec"

  3607. spectrumsynth_filter_select="fft"

  3608. spp_filter_deps="gpl avcodec"

  3609. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3610. sr_filter_deps="avformat swscale"

  3611. sr_filter_select="dnn"

  3612. stereo3d_filter_deps="gpl"

  3613. subtitles_filter_deps="avformat avcodec libass"

  3614. super2xsai_filter_deps="gpl"

  3615. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3616. superequalizer_filter_select="rdft"

  3617. surround_filter_select="rdft"

  3618. tinterlace_filter_deps="gpl"

  3619. tinterlace_merge_test_deps="tinterlace_filter"

  3620. tinterlace_pad_test_deps="tinterlace_filter"

  3621. tonemap_filter_deps="const_nan"

  3622. tonemap_vaapi_filter_deps="vaapi VAProcFilterParameterBufferHDRToneMapping"

  3623. tonemap_opencl_filter_deps="opencl const_nan"

  3624. transpose_opencl_filter_deps="opencl"

  3625. transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags"

  3626. unsharp_opencl_filter_deps="opencl"

  3627. uspp_filter_deps="gpl avcodec"

  3628. vaguedenoiser_filter_deps="gpl"

  3629. vidstabdetect_filter_deps="libvidstab"

  3630. vidstabtransform_filter_deps="libvidstab"

  3631. libvmaf_filter_deps="libvmaf pthreads"

  3632. zmq_filter_deps="libzmq"

  3633. zoompan_filter_deps="swscale"

  3634. zscale_filter_deps="libzimg const_nan"

  3635. scale_vaapi_filter_deps="vaapi"

  3636. scale_vulkan_filter_deps="vulkan libglslang"

  3637. vpp_qsv_filter_deps="libmfx"

  3638. vpp_qsv_filter_select="qsvvpp"

  3639. xfade_opencl_filter_deps="opencl"

  3640. yadif_cuda_filter_deps="ffnvcodec"

  3641. yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3642. 

  3643. # examples

  3644. avio_list_dir_deps="avformat avutil"

  3645. avio_reading_deps="avformat avcodec avutil"

  3646. decode_audio_example_deps="avcodec avutil"

  3647. decode_video_example_deps="avcodec avutil"

  3648. demuxing_decoding_example_deps="avcodec avformat avutil"

  3649. encode_audio_example_deps="avcodec avutil"

  3650. encode_video_example_deps="avcodec avutil"

  3651. extract_mvs_example_deps="avcodec avformat avutil"

  3652. filter_audio_example_deps="avfilter avutil"

  3653. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3654. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3655. http_multiclient_example_deps="avformat avutil fork"

  3656. hw_decode_example_deps="avcodec avformat avutil"

  3657. metadata_example_deps="avformat avutil"

  3658. muxing_example_deps="avcodec avformat avutil swscale"

  3659. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"

  3660. remuxing_example_deps="avcodec avformat avutil"

  3661. resampling_audio_example_deps="avutil swresample"

  3662. scaling_video_example_deps="avutil swscale"

  3663. transcode_aac_example_deps="avcodec avformat swresample"

  3664. transcoding_example_deps="avfilter avcodec avformat avutil"

  3665. vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"

  3666. vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"

  3667. 

  3668. # EXTRALIBS_LIST

  3669. cpu_init_extralibs="pthreads_extralibs"

  3670. cws2fws_extralibs="zlib_extralibs"

  3671. 

  3672. # libraries, in any order

  3673. avcodec_deps="avutil"

  3674. avcodec_suggest="libm"

  3675. avcodec_select="null_bsf"

  3676. avdevice_deps="avformat avcodec avutil"

  3677. avdevice_suggest="libm"

  3678. avfilter_deps="avutil"

  3679. avfilter_suggest="libm"

  3680. avformat_deps="avcodec avutil"

  3681. avformat_suggest="libm network zlib"

  3682. avresample_deps="avutil"

  3683. avresample_suggest="libm"

  3684. avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi vulkan videotoolbox corefoundation corevideo coremedia bcrypt"

  3685. postproc_deps="avutil gpl"

  3686. postproc_suggest="libm"

  3687. swresample_deps="avutil"

  3688. swresample_suggest="libm libsoxr"

  3689. swscale_deps="avutil"

  3690. swscale_suggest="libm"

  3691. 

  3692. avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"

  3693. avfilter_extralibs="pthreads_extralibs"

  3694. avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"

  3695. 

  3696. # programs

  3697. ffmpeg_deps="avcodec avfilter avformat"

  3698. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3699.                hflip_filter null_filter

  3700.                transpose_filter trim_filter vflip_filter"

  3701. ffmpeg_suggest="ole32 psapi shell32"

  3702. ffplay_deps="avcodec avformat swscale swresample sdl2"

  3703. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3704. ffplay_suggest="shell32"

  3705. ffprobe_deps="avcodec avformat"

  3706. ffprobe_suggest="shell32"

  3707. 

  3708. # documentation

  3709. podpages_deps="perl"

  3710. manpages_deps="perl pod2man"

  3711. htmlpages_deps="perl"

  3712. htmlpages_deps_any="makeinfo_html texi2html"

  3713. txtpages_deps="perl makeinfo"

  3714. doc_deps_any="manpages htmlpages podpages txtpages"

  3715. 

  3716. # default parameters

  3717. 

  3718. logfile="ffbuild/config.log"

  3719. 

  3720. # installation paths

  3721. prefix_default="/usr/local"

  3722. bindir_default='${prefix}/bin'

  3723. datadir_default='${prefix}/share/ffmpeg'

  3724. docdir_default='${prefix}/share/doc/ffmpeg'

  3725. incdir_default='${prefix}/include'

  3726. libdir_default='${prefix}/lib'

  3727. mandir_default='${prefix}/share/man'

  3728. 

  3729. # toolchain

  3730. ar_default="ar"

  3731. cc_default="gcc"

  3732. cxx_default="g++"

  3733. host_cc_default="gcc"

  3734. doxygen_default="doxygen"

  3735. install="install"

  3736. ln_s_default="ln -s -f"

  3737. nm_default="nm -g"

  3738. pkg_config_default=pkg-config

  3739. ranlib_default="ranlib"

  3740. strip_default="strip"

  3741. version_script='--version-script'

  3742. objformat="elf32"

  3743. x86asmexe_default="nasm"

  3744. windres_default="windres"

  3745. striptype="direct"

  3746. 

  3747. # OS

  3748. target_os_default=$(tolower $(uname -s))

  3749. host_os=$target_os_default

  3750. 

  3751. # machine

  3752. if test "$target_os_default" = aix; then

  3753.     arch_default=$(uname -p)

  3754.     strip_default="strip -X32_64"

  3755.     nm_default="nm -g -X32_64"

  3756. else

  3757.     arch_default=$(uname -m)

  3758. fi

  3759. cpu="generic"

  3760. intrinsics="none"

  3761. 

  3762. # configurable options

  3763. enable $PROGRAM_LIST

  3764. enable $DOCUMENT_LIST

  3765. enable $EXAMPLE_LIST

  3766. enable $(filter_out avresample $LIBRARY_LIST)

  3767. enable stripping

  3768. 

  3769. enable asm

  3770. enable debug

  3771. enable doc

  3772. enable faan faandct faanidct

  3773. enable large_tests

  3774. enable optimizations

  3775. enable runtime_cpudetect

  3776. enable safe_bitstream_reader

  3777. enable static

  3778. enable swscale_alpha

  3779. enable valgrind_backtrace

  3780. 

  3781. sws_max_filter_size_default=256

  3782. set_default sws_max_filter_size

  3783. 

  3784. # internal components are enabled by default

  3785. enable $EXTRALIBS_LIST

  3786. 

  3787. # Avoid external, non-system, libraries getting enabled by dependency resolution

  3788. disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST

  3789. 

  3790. # build settings

  3791. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3792. LIBPREF="lib"

  3793. LIBSUF=".a"

  3794. FULLNAME='$(NAME)$(BUILDSUF)'

  3795. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3796. SLIBPREF="lib"

  3797. SLIBSUF=".so"

  3798. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3799. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3800. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3801. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3802. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3803. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3804. VERSION_SCRIPT_POSTPROCESS_CMD="cat"

  3805. 

  3806. asflags_filter=echo

  3807. cflags_filter=echo

  3808. ldflags_filter=echo

  3809. 

  3810. AS_C='-c'

  3811. AS_O='-o $@'

  3812. CC_C='-c'

  3813. CC_E='-E -o $@'

  3814. CC_O='-o $@'

  3815. CXX_C='-c'

  3816. CXX_O='-o $@'

  3817. OBJCC_C='-c'

  3818. OBJCC_E='-E -o $@'

  3819. OBJCC_O='-o $@'

  3820. X86ASM_O='-o $@'

  3821. LD_O='-o $@'

  3822. LD_LIB='-l%'

  3823. LD_PATH='-L'

  3824. HOSTCC_C='-c'

  3825. HOSTCC_E='-E -o $@'

  3826. HOSTCC_O='-o $@'

  3827. HOSTLD_O='-o $@'

  3828. NVCC_C='-c'

  3829. NVCC_O='-o $@'

  3830. 

  3831. host_extralibs='-lm'

  3832. host_cflags_filter=echo

  3833. host_ldflags_filter=echo

  3834. 

  3835. target_path='$(CURDIR)'

  3836. 

  3837. # since the object filename is not given with the -MM flag, the compiler

  3838. # is only able to print the basename, and we must add the path ourselves

  3839. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3840. DEPFLAGS='-MM'

  3841. 

  3842. mkdir -p ffbuild

  3843. 

  3844. # find source path

  3845. if test -f configure; then

  3846.     source_path=.

  3847. elif test -f src/configure; then

  3848.     source_path=src

  3849. else

  3850.     source_path=$(cd $(dirname "$0"); pwd)

  3851.     case "$source_path" in

  3852.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3853.     esac

  3854.     test -e "$source_path/config.h" &&

  3855.         die "Out of tree builds are impossible with config.h in source dir."

  3856. fi

  3857. 

  3858. for v in "$@"; do

  3859.     r=${v#*=}

  3860.     l=${v%"$r"}

  3861.     r=$(sh_quote "$r")

  3862.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3863. done

  3864. 

  3865. find_things_extern(){

  3866.     thing=$1

  3867.     pattern=$2

  3868.     file=$source_path/$3

  3869.     out=${4:-$thing}

  3870.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"

  3871. }

  3872. 

  3873. find_filters_extern(){

  3874.     file=$source_path/$1

  3875.     sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file

  3876. }

  3877. 

  3878. FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)

  3879. OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)

  3880. INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)

  3881. MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)

  3882. DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)

  3883. ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)

  3884. DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)

  3885. CODEC_LIST="

  3886.     $ENCODER_LIST

  3887.     $DECODER_LIST

  3888. "

  3889. PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)

  3890. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3891. HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)

  3892. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3893. 

  3894. AVCODEC_COMPONENTS_LIST="

  3895.     $BSF_LIST

  3896.     $DECODER_LIST

  3897.     $ENCODER_LIST

  3898.     $HWACCEL_LIST

  3899.     $PARSER_LIST

  3900. "

  3901. 

  3902. AVDEVICE_COMPONENTS_LIST="

  3903.     $INDEV_LIST

  3904.     $OUTDEV_LIST

  3905. "

  3906. 

  3907. AVFILTER_COMPONENTS_LIST="

  3908.     $FILTER_LIST

  3909. "

  3910. 

  3911. AVFORMAT_COMPONENTS_LIST="

  3912.     $DEMUXER_LIST

  3913.     $MUXER_LIST

  3914.     $PROTOCOL_LIST

  3915. "

  3916. 

  3917. ALL_COMPONENTS="

  3918.     $AVCODEC_COMPONENTS_LIST

  3919.     $AVDEVICE_COMPONENTS_LIST

  3920.     $AVFILTER_COMPONENTS_LIST

  3921.     $AVFORMAT_COMPONENTS_LIST

  3922. "

  3923. 

  3924. for n in $COMPONENT_LIST; do

  3925.     v=$(toupper ${n%s})_LIST

  3926.     eval enable \$$v

  3927.     eval ${n}_if_any="\$$v"

  3928. done

  3929. 

  3930. enable $ARCH_EXT_LIST

  3931. 

  3932. die_unknown(){

  3933.     echo "Unknown option \"$1\"."

  3934.     echo "See $0 --help for available options."

  3935.     exit 1

  3936. }

  3937. 

  3938. print_in_columns() {

  3939.     tr ' ' '\n' | sort | tr '\r\n' '  ' | awk -v col_width=24 -v width="$ncols" '

  3940.     {

  3941.         num_cols = width > col_width ? int(width / col_width) : 1;

  3942.         num_rows = int((NF + num_cols-1) / num_cols);

  3943.         y = x = 1;

  3944.         for (y = 1; y <= num_rows; y++) {

  3945.             i = y;

  3946.             for (x = 1; x <= num_cols; x++) {

  3947.                 if (i <= NF) {

  3948.                   line = sprintf("%s%-" col_width "s", line, $i);

  3949.                 }

  3950.                 i = i + num_rows;

  3951.             }

  3952.             print line; line = "";

  3953.         }

  3954.     }' | sed 's/ *$//'

  3955. }

  3956. 

  3957. show_list() {

  3958.     suffix=_$1

  3959.     shift

  3960.     echo $* | sed s/$suffix//g | print_in_columns

  3961.     exit 0

  3962. }

  3963. 

  3964. rand_list(){

  3965.     IFS=', '

  3966.     set -- $*

  3967.     unset IFS

  3968.     for thing; do

  3969.         comp=${thing%:*}

  3970.         prob=${thing#$comp}

  3971.         prob=${prob#:}

  3972.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3973.         echo "prob ${prob:-0.5}"

  3974.         printf '%s\n' $comp

  3975.     done

  3976. }

  3977. 

  3978. do_random(){

  3979.     action=$1

  3980.     shift

  3981.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3982.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3983. }

  3984. 

  3985. for opt do

  3986.     optval="${opt#*=}"

  3987.     case "$opt" in

  3988.         --extra-ldflags=*)

  3989.             add_ldflags $optval

  3990.         ;;

  3991.         --extra-ldexeflags=*)

  3992.             add_ldexeflags $optval

  3993.         ;;

  3994.         --extra-ldsoflags=*)

  3995.             add_ldsoflags $optval

  3996.         ;;

  3997.         --extra-ldlibflags=*)

  3998.             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\

  3999.                  "removed in the future. Use --extra-ldsoflags instead."

  4000.             add_ldsoflags $optval

  4001.         ;;

  4002.         --extra-libs=*)

  4003.             add_extralibs $optval

  4004.         ;;

  4005.         --disable-devices)

  4006.             disable $INDEV_LIST $OUTDEV_LIST

  4007.         ;;

  4008.         --enable-debug=*)

  4009.             debuglevel="$optval"

  4010.         ;;

  4011.         --disable-programs)

  4012.             disable $PROGRAM_LIST

  4013.         ;;

  4014.         --disable-everything)

  4015.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  4016.         ;;

  4017.         --disable-all)

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

  4019.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  4020.             enable avutil

  4021.         ;;

  4022.         --enable-random|--disable-random)

  4023.             action=${opt%%-random}

  4024.             do_random ${action#--} $COMPONENT_LIST

  4025.         ;;

  4026.         --enable-random=*|--disable-random=*)

  4027.             action=${opt%%-random=*}

  4028.             do_random ${action#--} $optval

  4029.         ;;

  4030.         --enable-sdl)

  4031.             enable sdl2

  4032.         ;;

  4033.         --enable-*=*|--disable-*=*)

  4034.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  4035.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  4036.             eval list=\$$(toupper $thing)_LIST

  4037.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  4038.             list=$(filter "$name" $list)

  4039.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  4040.             test $action = enable && warn_if_gets_disabled $list

  4041.             $action $list

  4042.         ;;

  4043.         --enable-yasm|--disable-yasm)

  4044.             warn "The ${opt} option is only provided for compatibility and will be\n"\

  4045.                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."

  4046.             test $opt = --enable-yasm && x86asm=yes || x86asm=no

  4047.         ;;

  4048.         --yasmexe=*)

  4049.             warn "The --yasmexe option is only provided for compatibility and will be\n"\

  4050.                  "removed in the future. Use --x86asmexe instead."

  4051.             x86asmexe="$optval"

  4052.         ;;

  4053.         --enable-?*|--disable-?*)

  4054.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  4055.             if is_in $option $COMPONENT_LIST; then

  4056.                 test $action = disable && action=unset

  4057.                 eval $action \$$(toupper ${option%s})_LIST

  4058.             elif is_in $option $CMDLINE_SELECT; then

  4059.                 $action $option

  4060.             else

  4061.                 die_unknown $opt

  4062.             fi

  4063.         ;;

  4064.         --list-*)

  4065.             NAME="${opt#--list-}"

  4066.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  4067.             NAME=${NAME%s}

  4068.             eval show_list $NAME \$$(toupper $NAME)_LIST

  4069.         ;;

  4070.         --help|-h) show_help

  4071.         ;;

  4072.         --quiet|-q) quiet=yes

  4073.         ;;

  4074.         --fatal-warnings) enable fatal_warnings

  4075.         ;;

  4076.         --libfuzzer=*)

  4077.             libfuzzer_path="$optval"

  4078.         ;;

  4079.         *)

  4080.             optname="${opt%%=*}"

  4081.             optname="${optname#--}"

  4082.             optname=$(echo "$optname" | sed 's/-/_/g')

  4083.             if is_in $optname $CMDLINE_SET; then

  4084.                 eval $optname='$optval'

  4085.             elif is_in $optname $CMDLINE_APPEND; then

  4086.                 append $optname "$optval"

  4087.             else

  4088.                 die_unknown $opt

  4089.             fi

  4090.         ;;

  4091.     esac

  4092. done

  4093. 

  4094. for e in $env; do

  4095.     eval "export $e"

  4096. done

  4097. 

  4098. if disabled autodetect; then

  4099. 

  4100.     # Unless iconv is explicitely disabled by the user, we still want to probe

  4101.     # for the iconv from the libc.

  4102.     disabled iconv || enable libc_iconv

  4103. 

  4104.     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  4105.     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  4106. fi

  4107. # Mark specifically enabled, but normally autodetected libraries as requested.

  4108. for lib in $AUTODETECT_LIBS; do

  4109.     enabled $lib && request $lib

  4110. done

  4111. #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way

  4112. enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  4113. enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  4114. 

  4115. disabled logging && logfile=/dev/null

  4116. 

  4117. # command line configuration sanity checks

  4118. 

  4119. # we need to build at least one lib type

  4120. if ! enabled_any static shared; then

  4121.     cat <<EOF

  4122. At least one library type must be built.

  4123. Specify --enable-static to build the static libraries or --enable-shared to

  4124. build the shared libraries as well. To only build the shared libraries specify

  4125. --disable-static in addition to --enable-shared.

  4126. EOF

  4127.     exit 1

  4128. fi

  4129. 

  4130. die_license_disabled() {

  4131.     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }

  4132. }

  4133. 

  4134. die_license_disabled_gpl() {

  4135.     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }

  4136. }

  4137. 

  4138. map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  4139. map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  4140. 

  4141. enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST

  4142. map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST

  4143. 

  4144. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4145. 

  4146. if enabled nonfree; then

  4147.     license="nonfree and unredistributable"

  4148. elif enabled gplv3; then

  4149.     license="GPL version 3 or later"

  4150. elif enabled lgplv3; then

  4151.     license="LGPL version 3 or later"

  4152. elif enabled gpl; then

  4153.     license="GPL version 2 or later"

  4154. else

  4155.     license="LGPL version 2.1 or later"

  4156. fi

  4157. 

  4158. enabled_all gnutls openssl &&

  4159.     die "GnuTLS and OpenSSL must not be enabled at the same time."

  4160. 

  4161. enabled_all gnutls mbedtls &&

  4162.     die "GnuTLS and mbedTLS must not be enabled at the same time."

  4163. 

  4164. enabled_all openssl mbedtls &&

  4165.     die "OpenSSL and mbedTLS must not be enabled at the same time."

  4166. 

  4167. # Disable all the library-specific components if the library itself

  4168. # is disabled, see AVCODEC_LIST and following _LIST variables.

  4169. 

  4170. disable_components(){

  4171.     disabled ${1} && disable $(

  4172.         eval components="\$$(toupper ${1})_COMPONENTS"

  4173.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  4174.     )

  4175. }

  4176. 

  4177. map 'disable_components $v' $LIBRARY_LIST

  4178. 

  4179. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  4180. set >> $logfile

  4181. 

  4182. test -n "$valgrind" && toolchain="valgrind-memcheck"

  4183. 

  4184. enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize="  && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{

  4185.     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer

  4186.     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp

  4187. }

  4188. 

  4189. case "$toolchain" in

  4190.     *-asan)

  4191.         cc_default="${toolchain%-asan}"

  4192.         add_cflags  -fsanitize=address

  4193.         add_ldflags -fsanitize=address

  4194.     ;;

  4195.     *-msan)

  4196.         cc_default="${toolchain%-msan}"

  4197.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  4198.         add_ldflags -fsanitize=memory

  4199.     ;;

  4200.     *-tsan)

  4201.         cc_default="${toolchain%-tsan}"

  4202.         add_cflags  -fsanitize=thread

  4203.         add_ldflags -fsanitize=thread

  4204.         case "$toolchain" in

  4205.             gcc-tsan)

  4206.                 add_cflags  -fPIC

  4207.                 add_ldflags -fPIC

  4208.                 ;;

  4209.         esac

  4210.     ;;

  4211.     *-usan)

  4212.         cc_default="${toolchain%-usan}"

  4213.         add_cflags  -fsanitize=undefined

  4214.         add_ldflags -fsanitize=undefined

  4215.     ;;

  4216.     valgrind-*)

  4217.         target_exec_default="valgrind"

  4218.         case "$toolchain" in

  4219.             valgrind-massif)

  4220.                 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"

  4221.                 ;;

  4222.             valgrind-memcheck)

  4223.                 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"

  4224.                 ;;

  4225.         esac

  4226.     ;;

  4227.     msvc)

  4228.         # Check whether the current MSVC version needs the C99 converter.

  4229.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  4230.         # support enough of C99 to build ffmpeg. Default to the new

  4231.         # behaviour if the regexp was unable to match anything, since this

  4232.         # successfully parses the version number of existing supported

  4233.         # versions that require the converter (MSVC 2010 and 2012).

  4234.         cl_major_ver=$(cl.exe 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  4235.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  4236.             cc_default="cl.exe"

  4237.             cxx_default="cl.exe"

  4238.         else

  4239.             die "Unsupported MSVC version (2013 or newer required)"

  4240.         fi

  4241.         ld_default="$source_path/compat/windows/mslink"

  4242.         nm_default="dumpbin.exe -symbols"

  4243.         ar_default="lib.exe"

  4244.         case "$arch" in

  4245.         aarch64|arm64)

  4246.             as_default="armasm64.exe"

  4247.             ;;

  4248.         arm*)

  4249.             as_default="armasm.exe"

  4250.             ;;

  4251.         esac

  4252.         target_os_default="win32"

  4253.         # Use a relative path for TMPDIR. This makes sure all the

  4254.         # ffconf temp files are written with a relative path, avoiding

  4255.         # issues with msys/win32 path conversion for MSVC parameters

  4256.         # such as -Fo<file> or -out:<file>.

  4257.         TMPDIR=.

  4258.     ;;

  4259.     icl)

  4260.         cc_default="icl"

  4261.         ld_default="xilink"

  4262.         nm_default="dumpbin -symbols"

  4263.         ar_default="xilib"

  4264.         target_os_default="win32"

  4265.         TMPDIR=.

  4266.     ;;

  4267.     gcov)

  4268.         add_cflags  -fprofile-arcs -ftest-coverage

  4269.         add_ldflags -fprofile-arcs -ftest-coverage

  4270.     ;;

  4271.     llvm-cov)

  4272.         add_cflags -fprofile-arcs -ftest-coverage

  4273.         add_ldflags --coverage

  4274.     ;;

  4275.     hardened)

  4276.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  4277.         add_cflags   -fno-strict-overflow -fstack-protector-all

  4278.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  4279.         add_cflags   -fPIE

  4280.         add_ldexeflags -fPIE -pie

  4281.     ;;

  4282.     ?*)

  4283.         die "Unknown toolchain $toolchain"

  4284.     ;;

  4285. esac

  4286. 

  4287. if test -n "$cross_prefix"; then

  4288.     test -n "$arch" && test -n "$target_os" ||

  4289.         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"

  4290.     enable cross_compile

  4291. fi

  4292. 

  4293. set_default target_os

  4294. if test "$target_os" = android; then

  4295.     cc_default="clang"

  4296. fi

  4297. 

  4298. ar_default="${cross_prefix}${ar_default}"

  4299. cc_default="${cross_prefix}${cc_default}"

  4300. cxx_default="${cross_prefix}${cxx_default}"

  4301. nm_default="${cross_prefix}${nm_default}"

  4302. pkg_config_default="${cross_prefix}${pkg_config_default}"

  4303. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  4304.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  4305. else

  4306.     ranlib_default="${cross_prefix}${ranlib_default}"

  4307. fi

  4308. strip_default="${cross_prefix}${strip_default}"

  4309. windres_default="${cross_prefix}${windres_default}"

  4310. 

  4311. sysinclude_default="${sysroot}/usr/include"

  4312. 

  4313. if enabled cuda_sdk; then

  4314.     warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead."

  4315.     enable cuda_nvcc

  4316. fi

  4317. 

  4318. if enabled cuda_nvcc; then

  4319.     nvcc_default="nvcc"

  4320.     nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"

  4321. else

  4322.     nvcc_default="clang"

  4323.     nvccflags_default="--cuda-gpu-arch=sm_30 -O2"

  4324.     NVCC_C=""

  4325. fi

  4326. 

  4327. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  4328.     target_exec x86asmexe nvcc

  4329. enabled cross_compile || host_cc_default=$cc

  4330. set_default host_cc

  4331. 

  4332. pkg_config_fail_message=""

  4333. if ! $pkg_config --version >/dev/null 2>&1; then

  4334.     warn "$pkg_config not found, library detection may fail."

  4335.     pkg_config=false

  4336. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  4337.     pkg_config_fail_message="

  4338. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  4339. fi

  4340. 

  4341. if test $doxygen != $doxygen_default && \

  4342.   ! $doxygen --version >/dev/null 2>&1; then

  4343.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  4344. fi

  4345. 

  4346. exesuf() {

  4347.     case $1 in

  4348.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  4349.     esac

  4350. }

  4351. 

  4352. EXESUF=$(exesuf $target_os)

  4353. HOSTEXESUF=$(exesuf $host_os)

  4354. 

  4355. # set temporary file name

  4356. : ${TMPDIR:=$TEMPDIR}

  4357. : ${TMPDIR:=$TMP}

  4358. : ${TMPDIR:=/tmp}

  4359. 

  4360. if [ -n "$tempprefix" ] ; then

  4361.     mktemp(){

  4362.         tmpname="$tempprefix.${HOSTNAME}.${UID}"

  4363.         echo "$tmpname"

  4364.         mkdir "$tmpname"

  4365.     }

  4366. elif ! test_cmd mktemp -u XXXXXX; then

  4367.     # simple replacement for missing mktemp

  4368.     # NOT SAFE FOR GENERAL USE

  4369.     mktemp(){

  4370.         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  4371.         echo "$tmpname"

  4372.         mkdir "$tmpname"

  4373.     }

  4374. fi

  4375. 

  4376. FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||

  4377.     die "Unable to create temporary directory in $TMPDIR."

  4378. 

  4379. tmpfile(){

  4380.     tmp="${FFTMPDIR}/test"$2

  4381.     (set -C; exec > $tmp) 2> /dev/null ||

  4382.         die "Unable to create temporary file in $FFTMPDIR."

  4383.     eval $1=$tmp

  4384. }

  4385. 

  4386. trap 'rm -rf -- "$FFTMPDIR"' EXIT

  4387. trap 'exit 2' INT

  4388. 

  4389. tmpfile TMPASM .asm

  4390. tmpfile TMPC   .c

  4391. tmpfile TMPCPP .cpp

  4392. tmpfile TMPE   $EXESUF

  4393. tmpfile TMPH   .h

  4394. tmpfile TMPM   .m

  4395. tmpfile TMPCU  .cu

  4396. tmpfile TMPO   .o

  4397. tmpfile TMPS   .S

  4398. tmpfile TMPSH  .sh

  4399. tmpfile TMPV   .ver

  4400. 

  4401. unset -f mktemp

  4402. 

  4403. chmod +x $TMPE

  4404. 

  4405. # make sure we can execute files in $TMPDIR

  4406. cat > $TMPSH 2>> $logfile <<EOF

  4407. #! /bin/sh

  4408. EOF

  4409. chmod +x $TMPSH >> $logfile 2>&1

  4410. if ! $TMPSH >> $logfile 2>&1; then

  4411.     cat <<EOF

  4412. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  4413. variable to another directory and make sure that it is not mounted noexec.

  4414. EOF

  4415.     die "Sanity test failed."

  4416. fi

  4417. 

  4418. armasm_flags(){

  4419.     for flag; do

  4420.         case $flag in

  4421.             # Filter out MSVC cl.exe options from cflags that shouldn't

  4422.             # be passed to gas-preprocessor

  4423.             -M[TD]*)                                            ;;

  4424.             *)                  echo $flag                      ;;

  4425.         esac

  4426.    done

  4427. }

  4428. 

  4429. cparser_flags(){

  4430.     for flag; do

  4431.         case $flag in

  4432.             -Wno-switch)             echo -Wno-switch-enum ;;

  4433.             -Wno-format-zero-length) ;;

  4434.             -Wdisabled-optimization) ;;

  4435.             -Wno-pointer-sign)       echo -Wno-other ;;

  4436.             *)                       echo $flag ;;

  4437.         esac

  4438.     done

  4439. }

  4440. 

  4441. msvc_common_flags(){

  4442.     for flag; do

  4443.         case $flag in

  4444.             # In addition to specifying certain flags under the compiler

  4445.             # specific filters, they must be specified here as well or else the

  4446.             # generic catch all at the bottom will print the original flag.

  4447.             -Wall)                ;;

  4448.             -Wextra)              ;;

  4449.             -std=c*)              ;;

  4450.             # Common flags

  4451.             -fomit-frame-pointer) ;;

  4452.             -g)                   echo -Z7 ;;

  4453.             -fno-math-errno)      ;;

  4454.             -fno-common)          ;;

  4455.             -fno-signed-zeros)    ;;

  4456.             -fPIC)                ;;

  4457.             -mthumb)              ;;

  4458.             -march=*)             ;;

  4459.             -lz)                  echo zlib.lib ;;

  4460.             -lx264)               echo libx264.lib ;;

  4461.             -lstdc++)             ;;

  4462.             -l*)                  echo ${flag#-l}.lib ;;

  4463.             -LARGEADDRESSAWARE)   echo $flag ;;

  4464.             -L*)                  echo -libpath:${flag#-L} ;;

  4465.             -Wl,*)                ;;

  4466.             *)                    echo $flag ;;

  4467.         esac

  4468.     done

  4469. }

  4470. 

  4471. msvc_flags(){

  4472.     msvc_common_flags "$@"

  4473.     for flag; do

  4474.         case $flag in

  4475.             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \

  4476.                                        -wd4554 ;;

  4477.             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  4478.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  4479.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  4480.                                        -wd4307 \

  4481.                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;

  4482.         esac

  4483.     done

  4484. }

  4485. 

  4486. icl_flags(){

  4487.     msvc_common_flags "$@"

  4488.     for flag; do

  4489.         case $flag in

  4490.             # Despite what Intel's documentation says -Wall, which is supported

  4491.             # on Windows, does enable remarks so disable them here.

  4492.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  4493.             -std=c99)             echo -Qstd=c99 ;;

  4494.             -flto)                echo -ipo ;;

  4495.         esac

  4496.     done

  4497. }

  4498. 

  4499. icc_flags(){

  4500.     for flag; do

  4501.         case $flag in

  4502.             -flto)                echo -ipo ;;

  4503.             *)                    echo $flag ;;

  4504.         esac

  4505.     done

  4506. }

  4507. 

  4508. suncc_flags(){

  4509.     for flag; do

  4510.         case $flag in

  4511.             -march=*|-mcpu=*)

  4512.                 case "${flag#*=}" in

  4513.                     native)                   echo -xtarget=native       ;;

  4514.                     v9|niagara)               echo -xarch=sparc          ;;

  4515.                     ultrasparc)               echo -xarch=sparcvis       ;;

  4516.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  4517.                     i586|pentium)             echo -xchip=pentium        ;;

  4518.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  4519.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  4520.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  4521.                     pentium4*)          echo -xtarget=pentium4           ;;

  4522.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  4523.                     *-sse3)             echo -xarch=sse3                 ;;

  4524.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  4525.                     bonnell)                   echo -xarch=ssse3         ;;

  4526.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  4527.                     westmere)                  echo -xtarget=westmere    ;;

  4528.                     silvermont)                echo -xarch=sse4_2        ;;

  4529.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  4530.                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)

  4531.                                                echo -xarch=avx           ;;

  4532.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  4533.                     btver1)                    echo -xarch=amdsse4a      ;;

  4534.                     btver2|bdver*|znver*)      echo -xarch=avx           ;;

  4535.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  4536.                     k8|opteron|athlon64|athlon-fx)

  4537.                                                echo -xarch=sse2a         ;;

  4538.                     athlon*)                   echo -xarch=pentium_proa  ;;

  4539.                 esac

  4540.                 ;;

  4541.             -std=c99)             echo -xc99              ;;

  4542.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  4543.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  4544.             -W*,*)                echo $flag              ;;

  4545.             -f*-*|-W*|-mimpure-text)                      ;;

  4546.             -shared)              echo -G                 ;;

  4547.             *)                    echo $flag              ;;

  4548.         esac

  4549.     done

  4550. }

  4551. 

  4552. probe_cc(){

  4553.     pfx=$1

  4554.     _cc=$2

  4555.     first=$3

  4556. 

  4557.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  4558.     unset _ld_o _ldflags _ld_lib _ld_path

  4559.     unset _depflags _DEPCMD _DEPFLAGS

  4560.     _flags_filter=echo

  4561. 

  4562.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  4563.         true # no-op to avoid reading stdin in following checks

  4564.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  4565.         _type=llvm_gcc

  4566.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  4567.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  4568.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4569.         _cflags_speed='-O3'

  4570.         _cflags_size='-Os'

  4571.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  4572.         _type=gcc

  4573.         gcc_version=$($_cc --version | head -n1)

  4574.         gcc_basever=$($_cc -dumpversion)

  4575.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  4576.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  4577.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  4578.         case $gcc_basever in

  4579.             2) ;;

  4580.             2.*) ;;

  4581.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  4582.         esac

  4583.         if [ "$first" = true ]; then

  4584.             case $gcc_basever in

  4585.                 4.2*)

  4586.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  4587.             esac

  4588.         fi

  4589.         _cflags_speed='-O3'

  4590.         _cflags_size='-Os'

  4591.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  4592.         _type=icc

  4593.         _ident=$($_cc --version | head -n1)

  4594.         _depflags='-MMD'

  4595.         _cflags_speed='-O3'

  4596.         _cflags_size='-Os'

  4597.         _cflags_noopt='-O1'

  4598.         _flags_filter=icc_flags

  4599.     elif $_cc -v 2>&1 | grep -q xlc; then

  4600.         _type=xlc

  4601.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  4602.         _cflags_speed='-O5'

  4603.         _cflags_size='-O5 -qcompact'

  4604.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  4605.         test -d "$sysroot" || die "No valid sysroot specified."

  4606.         _type=armcc

  4607.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  4608.         armcc_conf="$PWD/armcc.conf"

  4609.         $_cc --arm_linux_configure                 \

  4610.              --arm_linux_config_file="$armcc_conf" \

  4611.              --configure_sysroot="$sysroot"        \

  4612.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  4613.              die "Error creating armcc configuration file."

  4614.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  4615.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  4616.         as_default="${cross_prefix}gcc"

  4617.         _depflags='-MMD'

  4618.         _cflags_speed='-O3'

  4619.         _cflags_size='-Os'

  4620.     elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then

  4621.         _type=clang

  4622.         _ident=$($_cc --version 2>/dev/null | head -n1)

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

  4624.         _cflags_speed='-O3'

  4625.         _cflags_size='-Oz'

  4626.     elif $_cc -V 2>&1 | grep -q Sun; then

  4627.         _type=suncc

  4628.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  4629.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  4630.         _DEPFLAGS='-xM1 -xc99'

  4631.         _ldflags='-std=c99'

  4632.         _cflags_speed='-O5'

  4633.         _cflags_size='-O5 -xspace'

  4634.         _flags_filter=suncc_flags

  4635.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  4636.         _type=pathscale

  4637.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4638.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4639.         _cflags_speed='-O2'

  4640.         _cflags_size='-Os'

  4641.         _flags_filter='filter_out -Wdisabled-optimization'

  4642.     elif $_cc -v 2>&1 | grep -q Open64; then

  4643.         _type=open64

  4644.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4645.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4646.         _cflags_speed='-O2'

  4647.         _cflags_size='-Os'

  4648.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  4649.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  4650.         _type=armasm

  4651.         _ident=$($_cc | head -n1)

  4652.         # 4509: "This form of conditional instruction is deprecated"

  4653.         _flags="-nologo -ignore 4509"

  4654.         _flags_filter=armasm_flags

  4655.     elif $_cc 2>&1 | grep -q Intel; then

  4656.         _type=icl

  4657.         _ident=$($_cc 2>&1 | head -n1)

  4658.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  4659.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  4660.         # versions (tested) as well.

  4661.         _cflags_speed="-O2"

  4662.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  4663.         if $_cc 2>&1 | grep -q Linker; then

  4664.             _ld_o='-out:$@'

  4665.         else

  4666.             _ld_o='-Fe$@'

  4667.         fi

  4668.         _cc_o='-Fo$@'

  4669.         _cc_e='-P'

  4670.         _flags_filter=icl_flags

  4671.         _ld_lib='lib%.a'

  4672.         _ld_path='-libpath:'

  4673.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  4674.         _flags='-nologo -Qdiag-error:4044,10157'

  4675.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  4676.         # with MSVC which enables it by default.

  4677.         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  4678.         disable stripping

  4679.     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then

  4680.         # lld can emulate multiple different linkers; in ms link.exe mode,

  4681.         # the -? parameter gives the help output which contains an identifyable

  4682.         # string, while it gives an error in other modes.

  4683.         _type=lld-link

  4684.         # The link.exe mode doesn't have a switch for getting the version,

  4685.         # but we can force it back to gnu mode and get the version from there.

  4686.         _ident=$($_cc -flavor gnu --version 2>/dev/null)

  4687.         _ld_o='-out:$@'

  4688.         _flags_filter=msvc_flags

  4689.         _ld_lib='lib%.a'

  4690.         _ld_path='-libpath:'

  4691.     elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then

  4692.         _type=msvc

  4693.         if $_cc -nologo- 2>&1 | grep -q Microsoft; then

  4694.             _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')

  4695.         else

  4696.             _ident=$($_cc --version 2>/dev/null | head -n1 | tr -d '\r')

  4697.         fi

  4698.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  4699.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  4700.         _cflags_speed="-O2"

  4701.         _cflags_size="-O1"

  4702.         _cflags_noopt="-O1"

  4703.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4704.             _ld_o='-out:$@'

  4705.         else

  4706.             _ld_o='-Fe$@'

  4707.         fi

  4708.         _cc_o='-Fo$@'

  4709.         _cc_e='-P -Fi$@'

  4710.         _flags_filter=msvc_flags

  4711.         _ld_lib='lib%.a'

  4712.         _ld_path='-libpath:'

  4713.         _flags='-nologo'

  4714.         disable stripping

  4715.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4716.         _type=cparser

  4717.         _ident=$($_cc --version | head -n1)

  4718.         _depflags='-MMD'

  4719.         _cflags_speed='-O4'

  4720.         _cflags_size='-O2'

  4721.         _flags_filter=cparser_flags

  4722.     fi

  4723. 

  4724.     eval ${pfx}_type=\$_type

  4725.     eval ${pfx}_ident=\$_ident

  4726. }

  4727. 

  4728. set_ccvars(){

  4729.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4730.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4731.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4732. 

  4733.     if [ -n "$_depflags" ]; then

  4734.         eval ${1}_DEPFLAGS=\$_depflags

  4735.     else

  4736.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4737.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4738.         eval DEP${1}FLAGS=\$_flags

  4739.     fi

  4740. }

  4741. 

  4742. probe_cc cc "$cc" "true"

  4743. cflags_filter=$_flags_filter

  4744. cflags_speed=$_cflags_speed

  4745. cflags_size=$_cflags_size

  4746. cflags_noopt=$_cflags_noopt

  4747. add_cflags $_flags $_cflags

  4748. cc_ldflags=$_ldflags

  4749. set_ccvars CC

  4750. set_ccvars CXX

  4751. 

  4752. probe_cc hostcc "$host_cc"

  4753. host_cflags_filter=$_flags_filter

  4754. host_cflags_speed=$_cflags_speed

  4755. add_host_cflags  $_flags $_cflags

  4756. set_ccvars HOSTCC

  4757. 

  4758. test -n "$cc_type" && enable $cc_type ||

  4759.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4760. 

  4761. : ${as_default:=$cc}

  4762. : ${objcc_default:=$cc}

  4763. : ${dep_cc_default:=$cc}

  4764. : ${ld_default:=$cc}

  4765. : ${host_ld_default:=$host_cc}

  4766. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4767. 

  4768. probe_cc as "$as"

  4769. asflags_filter=$_flags_filter

  4770. add_asflags $_flags $_cflags

  4771. set_ccvars AS

  4772. 

  4773. probe_cc objcc "$objcc"

  4774. objcflags_filter=$_flags_filter

  4775. add_objcflags $_flags $_cflags

  4776. set_ccvars OBJC

  4777. 

  4778. probe_cc ld "$ld"

  4779. ldflags_filter=$_flags_filter

  4780. add_ldflags $_flags $_ldflags

  4781. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4782. LD_O=${_ld_o-$LD_O}

  4783. LD_LIB=${_ld_lib-$LD_LIB}

  4784. LD_PATH=${_ld_path-$LD_PATH}

  4785. 

  4786. probe_cc hostld "$host_ld"

  4787. host_ldflags_filter=$_flags_filter

  4788. add_host_ldflags $_flags $_ldflags

  4789. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4790. 

  4791. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4792.     probe_cc depcc "$dep_cc"

  4793.     CCDEP=${_DEPCMD:-$DEPCMD}

  4794.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4795.     DEPCCFLAGS=$_flags

  4796. fi

  4797. 

  4798. if $ar 2>&1 | grep -q Microsoft; then

  4799.     arflags="-nologo"

  4800.     ar_o='-out:$@'

  4801. elif $ar 2>&1 | grep -q "\[D\] "; then

  4802.     arflags="rcD"

  4803.     ar_o='$@'

  4804. else

  4805.     arflags="rc"

  4806.     ar_o='$@'

  4807. fi

  4808. 

  4809. add_cflags $extra_cflags

  4810. add_cxxflags $extra_cxxflags

  4811. add_objcflags $extra_objcflags

  4812. add_asflags $extra_cflags

  4813. 

  4814. if test -n "$sysroot"; then

  4815.     case "$cc_type" in

  4816.         gcc|llvm_gcc|clang)

  4817.             add_cppflags --sysroot="$sysroot"

  4818.             add_ldflags --sysroot="$sysroot"

  4819.         ;;

  4820.     esac

  4821. fi

  4822. 

  4823. if test "$cpu" = host; then

  4824.     enabled cross_compile &&

  4825.         warn "--cpu=host makes no sense when cross-compiling."

  4826. 

  4827.     case "$cc_type" in

  4828.         gcc|llvm_gcc)

  4829.             check_native(){

  4830.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4831.                 sed -n "/cc1.*$1=/{

  4832.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4833.                             p

  4834.                             q

  4835.                         }" $TMPE

  4836.             }

  4837.             cpu=$(check_native -march || check_native -mcpu)

  4838.         ;;

  4839.         clang)

  4840.             check_native(){

  4841.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4842.                 sed -n "/cc1.*-target-cpu /{

  4843.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4844.                             p

  4845.                             q

  4846.                         }" $TMPE

  4847.             }

  4848.             cpu=$(check_native -march)

  4849.         ;;

  4850.     esac

  4851. 

  4852.     test "${cpu:-host}" = host &&

  4853.         die "--cpu=host not supported with compiler $cc"

  4854. fi

  4855. 

  4856. # Deal with common $arch aliases

  4857. case "$arch" in

  4858.     aarch64|arm64)

  4859.         arch="aarch64"

  4860.     ;;

  4861.     arm*|iPad*|iPhone*)

  4862.         arch="arm"

  4863.     ;;

  4864.     mips*|IP*)

  4865.         case "$arch" in

  4866.         *el)

  4867.             add_cppflags -EL

  4868.             add_ldflags -EL

  4869.         ;;

  4870.         *eb)

  4871.             add_cppflags -EB

  4872.             add_ldflags -EB

  4873.         ;;

  4874.         esac

  4875.         arch="mips"

  4876.     ;;

  4877.     parisc*|hppa*)

  4878.         arch="parisc"

  4879.     ;;

  4880.     "Power Macintosh"|ppc*|powerpc*)

  4881.         arch="ppc"

  4882.     ;;

  4883.     s390|s390x)

  4884.         arch="s390"

  4885.     ;;

  4886.     sh4|sh)

  4887.         arch="sh4"

  4888.     ;;

  4889.     sun4*|sparc*)

  4890.         arch="sparc"

  4891.     ;;

  4892.     tilegx|tile-gx)

  4893.         arch="tilegx"

  4894.     ;;

  4895.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4896.         arch="x86"

  4897.     ;;

  4898. esac

  4899. 

  4900. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4901. enable $arch

  4902. 

  4903. # Add processor-specific flags

  4904. if enabled aarch64; then

  4905. 

  4906.     case $cpu in

  4907.         armv*)

  4908.             cpuflags="-march=$cpu"

  4909.         ;;

  4910.         *)

  4911.             cpuflags="-mcpu=$cpu"

  4912.         ;;

  4913.     esac

  4914. 

  4915. elif enabled alpha; then

  4916. 

  4917.     cpuflags="-mcpu=$cpu"

  4918. 

  4919. elif enabled arm; then

  4920. 

  4921.     check_arm_arch() {

  4922.         test_cpp_condition stddef.h \

  4923.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4924.             $cpuflags

  4925.     }

  4926. 

  4927.     probe_arm_arch() {

  4928.         if   check_arm_arch 4;        then echo armv4

  4929.         elif check_arm_arch 4T;       then echo armv4t

  4930.         elif check_arm_arch 5;        then echo armv5

  4931.         elif check_arm_arch 5E;       then echo armv5e

  4932.         elif check_arm_arch 5T;       then echo armv5t

  4933.         elif check_arm_arch 5TE;      then echo armv5te

  4934.         elif check_arm_arch 5TEJ;     then echo armv5te

  4935.         elif check_arm_arch 6;        then echo armv6

  4936.         elif check_arm_arch 6J;       then echo armv6j

  4937.         elif check_arm_arch 6K;       then echo armv6k

  4938.         elif check_arm_arch 6Z;       then echo armv6z

  4939.         elif check_arm_arch 6KZ;      then echo armv6zk

  4940.         elif check_arm_arch 6ZK;      then echo armv6zk

  4941.         elif check_arm_arch 6T2;      then echo armv6t2

  4942.         elif check_arm_arch 7;        then echo armv7

  4943.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4944.         elif check_arm_arch 7S;       then echo armv7-a

  4945.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4946.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4947.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4948.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4949.         fi

  4950.     }

  4951. 

  4952.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4953. 

  4954.     case $cpu in

  4955.         armv*)

  4956.             cpuflags="-march=$cpu"

  4957.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4958.         ;;

  4959.         *)

  4960.             cpuflags="-mcpu=$cpu"

  4961.             case $cpu in

  4962.                 cortex-a*)                               subarch=armv7a  ;;

  4963.                 cortex-r*)                               subarch=armv7r  ;;

  4964.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4965.                 arm11*)                                  subarch=armv6   ;;

  4966.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4967.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4968.                 *)                             subarch=$(probe_arm_arch) ;;

  4969.             esac

  4970.         ;;

  4971.     esac

  4972. 

  4973.     case "$subarch" in

  4974.         armv5t*)    enable fast_clz                ;;

  4975.         armv[6-8]*)

  4976.             enable fast_clz

  4977.             disabled fast_unaligned || enable fast_unaligned

  4978.             ;;

  4979.     esac

  4980. 

  4981. elif enabled avr32; then

  4982. 

  4983.     case $cpu in

  4984.         ap7[02]0[0-2])

  4985.             subarch="avr32_ap"

  4986.             cpuflags="-mpart=$cpu"

  4987.         ;;

  4988.         ap)

  4989.             subarch="avr32_ap"

  4990.             cpuflags="-march=$cpu"

  4991.         ;;

  4992.         uc3[ab]*)

  4993.             subarch="avr32_uc"

  4994.             cpuflags="-mcpu=$cpu"

  4995.         ;;

  4996.         uc)

  4997.             subarch="avr32_uc"

  4998.             cpuflags="-march=$cpu"

  4999.         ;;

  5000.     esac

  5001. 

  5002. elif enabled bfin; then

  5003. 

  5004.     cpuflags="-mcpu=$cpu"

  5005. 

  5006. elif enabled mips; then

  5007. 

  5008.     cpuflags="-march=$cpu"

  5009. 

  5010.     if [ "$cpu" != "generic" ]; then

  5011.         disable mips32r2

  5012.         disable mips32r5

  5013.         disable mips64r2

  5014.         disable mips32r6

  5015.         disable mips64r6

  5016.         disable loongson2

  5017.         disable loongson3

  5018. 

  5019.         case $cpu in

  5020.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  5021.                 enable mips32r2

  5022.                 disable msa

  5023.             ;;

  5024.             p5600|i6400|p6600)

  5025.                 disable mipsdsp

  5026.                 disable mipsdspr2

  5027.             ;;

  5028.             loongson*)

  5029.                 enable loongson2

  5030.                 enable loongson3

  5031.                 enable local_aligned

  5032.                 enable simd_align_16

  5033.                 enable fast_64bit

  5034.                 enable fast_clz

  5035.                 enable fast_cmov

  5036.                 enable fast_unaligned

  5037.                 disable aligned_stack

  5038.                 disable mipsdsp

  5039.                 disable mipsdspr2

  5040.                 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.

  5041.                 if [ $cc == gcc ]; then

  5042.                     gcc_version=$(gcc -dumpversion)

  5043.                     if [ "$(echo "$gcc_version 5.3.0" | tr " " "\n" | sort -rV | head -n 1)" == "$gcc_version" ]; then

  5044.                         expensive_optimization_flag=""

  5045.                     else

  5046.                         expensive_optimization_flag="-fno-expensive-optimizations"

  5047.                     fi

  5048.                 fi

  5049.                 case $cpu in

  5050.                     loongson3*)

  5051.                         cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag"

  5052.                     ;;

  5053.                     loongson2e)

  5054.                         cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag"

  5055.                     ;;

  5056.                     loongson2f)

  5057.                         cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag"

  5058.                     ;;

  5059.                 esac

  5060.             ;;

  5061.             *)

  5062.                 # Unknown CPU. Disable everything.

  5063.                 warn "unknown CPU. Disabling all MIPS optimizations."

  5064.                 disable mipsfpu

  5065.                 disable mipsdsp

  5066.                 disable mipsdspr2

  5067.                 disable msa

  5068.                 disable mmi

  5069.             ;;

  5070.         esac

  5071. 

  5072.         case $cpu in

  5073.             24kc)

  5074.                 disable mipsfpu

  5075.                 disable mipsdsp

  5076.                 disable mipsdspr2

  5077.             ;;

  5078.             24kf*)

  5079.                 disable mipsdsp

  5080.                 disable mipsdspr2

  5081.             ;;

  5082.             24kec|34kc|1004kc)

  5083.                 disable mipsfpu

  5084.                 disable mipsdspr2

  5085.             ;;

  5086.             24kef*|34kf*|1004kf*)

  5087.                 disable mipsdspr2

  5088.             ;;

  5089.             74kc)

  5090.                 disable mipsfpu

  5091.             ;;

  5092.             p5600)

  5093.                 enable mips32r5

  5094.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  5095.             ;;

  5096.             i6400)

  5097.                 enable mips64r6

  5098.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  5099.             ;;

  5100.             p6600)

  5101.                 enable mips64r6

  5102.                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  5103.             ;;

  5104.         esac

  5105.     else

  5106.         # We do not disable anything. Is up to the user to disable the unwanted features.

  5107.         warn 'generic cpu selected'

  5108.     fi

  5109. 

  5110. elif enabled ppc; then

  5111. 

  5112.     disable ldbrx

  5113. 

  5114.     case $(tolower $cpu) in

  5115.         601|ppc601|powerpc601)

  5116.             cpuflags="-mcpu=601"

  5117.             disable altivec

  5118.         ;;

  5119.         603*|ppc603*|powerpc603*)

  5120.             cpuflags="-mcpu=603"

  5121.             disable altivec

  5122.         ;;

  5123.         604*|ppc604*|powerpc604*)

  5124.             cpuflags="-mcpu=604"

  5125.             disable altivec

  5126.         ;;

  5127.         g3|75*|ppc75*|powerpc75*)

  5128.             cpuflags="-mcpu=750"

  5129.             disable altivec

  5130.         ;;

  5131.         g4|745*|ppc745*|powerpc745*)

  5132.             cpuflags="-mcpu=7450"

  5133.             disable vsx

  5134.         ;;

  5135.         74*|ppc74*|powerpc74*)

  5136.             cpuflags="-mcpu=7400"

  5137.             disable vsx

  5138.         ;;

  5139.         g5|970|ppc970|powerpc970)

  5140.             cpuflags="-mcpu=970"

  5141.             disable vsx

  5142.         ;;

  5143.         power[3-6]*)

  5144.             cpuflags="-mcpu=$cpu"

  5145.             disable vsx

  5146.         ;;

  5147.         power[7-8]*)

  5148.             cpuflags="-mcpu=$cpu"

  5149.         ;;

  5150.         cell)

  5151.             cpuflags="-mcpu=cell"

  5152.             enable ldbrx

  5153.             disable vsx

  5154.         ;;

  5155.         e500mc)

  5156.             cpuflags="-mcpu=e500mc"

  5157.             disable altivec

  5158.         ;;

  5159.         e500v2)

  5160.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  5161.             disable altivec

  5162.             disable dcbzl

  5163.         ;;

  5164.         e500)

  5165.             cpuflags="-mcpu=8540 -mhard-float"

  5166.             disable altivec

  5167.             disable dcbzl

  5168.         ;;

  5169.     esac

  5170. 

  5171. elif enabled sparc; then

  5172. 

  5173.     case $cpu in

  5174.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  5175.             cpuflags="-mcpu=$cpu"

  5176.         ;;

  5177.         ultrasparc*|niagara[234])

  5178.             cpuflags="-mcpu=$cpu"

  5179.         ;;

  5180.     esac

  5181. 

  5182. elif enabled x86; then

  5183. 

  5184.     case $cpu in

  5185.         i[345]86|pentium)

  5186.             cpuflags="-march=$cpu"

  5187.             disable i686

  5188.             disable mmx

  5189.         ;;

  5190.         # targets that do NOT support nopl and conditional mov (cmov)

  5191.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  5192.             cpuflags="-march=$cpu"

  5193.             disable i686

  5194.         ;;

  5195.         # targets that do support nopl and conditional mov (cmov)

  5196.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  5197.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\

  5198.         |amdfam10|barcelona|b[dt]ver*|znver*)

  5199.             cpuflags="-march=$cpu"

  5200.             enable i686

  5201.             enable fast_cmov

  5202.         ;;

  5203.         # targets that do support conditional mov but on which it's slow

  5204.         pentium4|pentium4m|prescott|nocona)

  5205.             cpuflags="-march=$cpu"

  5206.             enable i686

  5207.             disable fast_cmov

  5208.         ;;

  5209.     esac

  5210. 

  5211. fi

  5212. 

  5213. if [ "$cpu" != generic ]; then

  5214.     add_cflags  $cpuflags

  5215.     add_asflags $cpuflags

  5216.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  5217. fi

  5218. 

  5219. # compiler sanity check

  5220. test_exec <<EOF

  5221. int main(void){ return 0; }

  5222. EOF

  5223. if test "$?" != 0; then

  5224.     echo "$cc is unable to create an executable file."

  5225.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  5226.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  5227.         echo "Only do this if you know what cross compiling means."

  5228.     fi

  5229.     die "C compiler test failed."

  5230. fi

  5231. 

  5232. add_cppflags -D_ISOC99_SOURCE

  5233. add_cxxflags -D__STDC_CONSTANT_MACROS

  5234. check_cxxflags -std=c++11 || check_cxxflags -std=c++0x

  5235. 

  5236. # some compilers silently accept -std=c11, so we also need to check that the

  5237. # version macro is defined properly

  5238. test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&

  5239.     add_cflags -std=c11 ||

  5240.     check_cflags -std=c99

  5241. 

  5242. check_cppflags -D_FILE_OFFSET_BITS=64

  5243. check_cppflags -D_LARGEFILE_SOURCE

  5244. 

  5245. add_host_cppflags -D_ISOC99_SOURCE

  5246. check_host_cflags -std=c99

  5247. check_host_cflags -Wall

  5248. check_host_cflags $host_cflags_speed

  5249. 

  5250. check_64bit(){

  5251.     arch32=$1

  5252.     arch64=$2

  5253.     expr=${3:-'sizeof(void *) > 4'}

  5254.     test_code cc "" "int test[2*($expr) - 1]" &&

  5255.         subarch=$arch64 || subarch=$arch32

  5256.     enable $subarch

  5257. }

  5258. 

  5259. case "$arch" in

  5260.     aarch64|alpha|ia64)

  5261.         enabled shared && enable_weak pic

  5262.     ;;

  5263.     mips)

  5264.         check_64bit mips mips64 '_MIPS_SIM > 1'

  5265.         enabled shared && enable_weak pic

  5266.     ;;

  5267.     parisc)

  5268.         check_64bit parisc parisc64

  5269.         enabled shared && enable_weak pic

  5270.     ;;

  5271.     ppc)

  5272.         check_64bit ppc ppc64

  5273.         enabled shared && enable_weak pic

  5274.     ;;

  5275.     s390)

  5276.         check_64bit s390 s390x

  5277.         enabled shared && enable_weak pic

  5278.     ;;

  5279.     sparc)

  5280.         check_64bit sparc sparc64

  5281.         enabled shared && enable_weak pic

  5282.     ;;

  5283.     x86)

  5284.         check_64bit x86_32 x86_64

  5285.         # Treat x32 as x64 for now. Note it also needs pic if shared

  5286.         test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&

  5287.             subarch=x86_64 && enable x86_64 && disable x86_32

  5288.         if enabled x86_64; then

  5289.             enabled shared && enable_weak pic

  5290.             objformat=elf64

  5291.         fi

  5292.     ;;

  5293. esac

  5294. 

  5295. # OS specific

  5296. case $target_os in

  5297.     aix)

  5298.         SHFLAGS=-shared

  5299.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  5300.         enabled shared && add_ldflags -Wl,-brtl

  5301.         arflags='-Xany -r -c'

  5302.         striptype=""

  5303.         ;;

  5304.     android)

  5305.         disable symver

  5306.         enable section_data_rel_ro

  5307.         add_cflags -fPIE

  5308.         add_ldexeflags -fPIE -pie

  5309.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  5310.         SLIB_INSTALL_LINKS=

  5311.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  5312.         ;;

  5313.     haiku)

  5314.         prefix_default="/boot/common"

  5315.         network_extralibs="-lnetwork"

  5316.         host_extralibs=

  5317.         ;;

  5318.     sunos)

  5319.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  5320.         enabled x86 && append SHFLAGS -mimpure-text

  5321.         network_extralibs="-lsocket -lnsl"

  5322.         add_cppflags -D__EXTENSIONS__

  5323.         # When using suncc to build, the Solaris linker will mark

  5324.         # an executable with each instruction set encountered by

  5325.         # the Solaris assembler.  As our libraries contain their own

  5326.         # guards for processor-specific code, instead suppress

  5327.         # generation of the HWCAPS ELF section on Solaris x86 only.

  5328.         enabled_all suncc x86 &&

  5329.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  5330.             add_ldflags -Wl,-M,mapfile

  5331.         nm_default='nm -P -g'

  5332.         striptype=""

  5333.         version_script='-M'

  5334.         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'

  5335.         ;;

  5336.     netbsd)

  5337.         disable symver

  5338.         oss_indev_extralibs="-lossaudio"

  5339.         oss_outdev_extralibs="-lossaudio"

  5340.         enabled gcc || check_ldflags -Wl,-zmuldefs

  5341.         ;;

  5342.     openbsd|bitrig)

  5343.         disable symver

  5344.         enable section_data_rel_ro

  5345.         striptype=""

  5346.         SHFLAGS='-shared'

  5347.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  5348.         SLIB_INSTALL_LINKS=

  5349.         oss_indev_extralibs="-lossaudio"

  5350.         oss_outdev_extralibs="-lossaudio"

  5351.         ;;

  5352.     dragonfly)

  5353.         disable symver

  5354.         ;;

  5355.     freebsd)

  5356.         ;;

  5357.     bsd/os)

  5358.         add_extralibs -lpoll -lgnugetopt

  5359.         strip="strip -d"

  5360.         ;;

  5361.     darwin)

  5362.         enabled ppc && add_asflags -force_cpusubtype_ALL

  5363.         install_name_dir_default='$(SHLIBDIR)'

  5364.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  5365.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  5366.         strip="${strip} -x"

  5367.         add_ldflags -Wl,-dynamic,-search_paths_first

  5368.         check_cflags -Werror=partial-availability

  5369.         SLIBSUF=".dylib"

  5370.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  5371.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  5372.         enabled x86_64 && objformat="macho64" || objformat="macho32"

  5373.         enabled_any pic shared x86_64 ||

  5374.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  5375.         check_headers dispatch/dispatch.h &&

  5376.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  5377.         if test -n "$sysroot"; then

  5378.             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot

  5379.             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot

  5380.         fi

  5381.         version_script='-exported_symbols_list'

  5382.         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'

  5383.         # Workaround for Xcode 11 -fstack-check bug

  5384.         if enabled clang; then

  5385.             clang_version=$($cc -dumpversion)

  5386.             test ${clang_version%%.*} -eq 11 && add_cflags -fno-stack-check

  5387.         fi

  5388.         ;;

  5389.     msys*)

  5390.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  5391.         ;;

  5392.     mingw32*|mingw64*)

  5393.         target_os=mingw32

  5394.         LIBTARGET=i386

  5395.         if enabled x86_64; then

  5396.             LIBTARGET="i386:x86-64"

  5397.         elif enabled arm; then

  5398.             LIBTARGET="arm"

  5399.         elif enabled aarch64; then

  5400.             LIBTARGET="arm64"

  5401.         fi

  5402.         if enabled shared; then

  5403.             # Cannot build both shared and static libs when using dllimport.

  5404.             disable static

  5405.         fi

  5406.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5407.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  5408.         shlibdir_default="$bindir_default"

  5409.         SLIBPREF=""

  5410.         SLIBSUF=".dll"

  5411.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5412.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5413.         if test_cmd lib.exe -list; then

  5414.             SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5415.             if enabled x86_64; then

  5416.                 LIBTARGET=x64

  5417.             fi

  5418.         else

  5419.             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  5420.         fi

  5421.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5422.         SLIB_INSTALL_LINKS=

  5423.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5424.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5425.         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)'

  5426.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'

  5427.         enabled x86_64 && objformat="win64" || objformat="win32"

  5428.         dlltool="${cross_prefix}dlltool"

  5429.         ranlib=:

  5430.         enable dos_paths

  5431.         check_ldflags -Wl,--nxcompat,--dynamicbase

  5432.         # Lets work around some stupidity in binutils.

  5433.         # ld will strip relocations from executables even though we need them

  5434.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  5435.         # however ld then forgets what the entry point should be (oops) so we

  5436.         # have to manually (re)set it.

  5437.         if enabled x86_32; then

  5438.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  5439.         elif enabled x86_64; then

  5440.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  5441.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  5442.             # Set image base >4GB for extra entropy with HEASLR

  5443.             add_ldexeflags -Wl,--image-base,0x140000000

  5444.             append SHFLAGS -Wl,--image-base,0x180000000

  5445.         fi

  5446.         ;;

  5447.     win32|win64)

  5448.         disable symver

  5449.         if enabled shared; then

  5450.             # Link to the import library instead of the normal static library

  5451.             # for shared libs.

  5452.             LD_LIB='%.lib'

  5453.             # Cannot build both shared and static libs with MSVC or icl.

  5454.             disable static

  5455.         fi

  5456.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  5457.         shlibdir_default="$bindir_default"

  5458.         SLIBPREF=""

  5459.         SLIBSUF=".dll"

  5460.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5461.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5462.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5463.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5464.         SLIB_INSTALL_LINKS=

  5465.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5466.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5467.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5468.         enabled x86_64 && objformat="win64" || objformat="win32"

  5469.         ranlib=:

  5470.         enable dos_paths

  5471.         ;;

  5472.     cygwin*)

  5473.         target_os=cygwin

  5474.         shlibdir_default="$bindir_default"

  5475.         SLIBPREF="cyg"

  5476.         SLIBSUF=".dll"

  5477.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5478.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5479.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5480.         SLIB_INSTALL_LINKS=

  5481.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  5482.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  5483.         enabled x86_64 && objformat="win64" || objformat="win32"

  5484.         enable dos_paths

  5485.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5486.         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5487.         ;;

  5488.     *-dos|freedos|opendos)

  5489.         network_extralibs="-lsocket"

  5490.         objformat="coff"

  5491.         enable dos_paths

  5492.         ;;

  5493.     linux)

  5494.         enable section_data_rel_ro

  5495.         enabled_any arm aarch64 && enable_weak linux_perf

  5496.         ;;

  5497.     irix*)

  5498.         target_os=irix

  5499.         ranlib="echo ignoring ranlib"

  5500.         ;;

  5501.     os/2*)

  5502.         strip="lxlite -CS"

  5503.         striptype=""

  5504.         objformat="aout"

  5505.         add_cppflags -D_GNU_SOURCE

  5506.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap

  5507.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  5508.         LIBSUF="_s.a"

  5509.         SLIBPREF=""

  5510.         SLIBSUF=".dll"

  5511.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5512.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  5513.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  5514.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  5515.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  5516.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  5517.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  5518.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  5519.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  5520.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5521.         SLIB_INSTALL_LINKS=

  5522.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  5523.         enable dos_paths

  5524.         enable_weak os2threads

  5525.         ;;

  5526.     gnu/kfreebsd)

  5527.         add_cppflags -D_BSD_SOURCE

  5528.         ;;

  5529.     gnu)

  5530.         ;;

  5531.     qnx)

  5532.         add_cppflags -D_QNX_SOURCE

  5533.         network_extralibs="-lsocket"

  5534.         ;;

  5535.     symbian)

  5536.         SLIBSUF=".dll"

  5537.         enable dos_paths

  5538.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  5539.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  5540.         add_ldflags -Wl,--target1-abs,--no-undefined \

  5541.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  5542.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  5543.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  5544.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  5545.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  5546.         ;;

  5547.     minix)

  5548.         ;;

  5549.     none)

  5550.         ;;

  5551.     *)

  5552.         die "Unknown OS '$target_os'."

  5553.         ;;

  5554. esac

  5555. 

  5556. # test if creating links works

  5557. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  5558. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  5559. mkdir "$link_dest"

  5560. $ln_s "$link_dest" "$link_name"

  5561. touch "$link_dest/test_file"

  5562. if [ "$source_path" != "." ] && [ "$source_path" != "src" ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  5563.     # create link to source path

  5564.     [ -e src ] && rm src

  5565.     $ln_s "$source_path" src

  5566.     source_link=src

  5567. else

  5568.     # creating directory links doesn't work

  5569.     # fall back to using the full source path

  5570.     source_link="$source_path"

  5571. fi

  5572. # cleanup

  5573. rm -r "$link_dest"

  5574. rm -r "$link_name"

  5575. 

  5576. # determine libc flavour

  5577. 

  5578. probe_libc(){

  5579.     pfx=$1

  5580.     pfx_no_=${pfx%_}

  5581.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  5582.     if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  5583.         eval ${pfx}libc_type=uclibc

  5584.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5585.     elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  5586.         eval ${pfx}libc_type=glibc

  5587.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5588.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  5589.     elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  5590.         eval ${pfx}libc_type=newlib

  5591.         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600

  5592.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  5593.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  5594.         eval ${pfx}libc_type=mingw64

  5595.         if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  5596.             add_compat msvcrt/snprintf.o

  5597.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  5598.         fi

  5599.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5600.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5601.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5602.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5603.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5604.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5605.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  5606.          test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  5607.         eval ${pfx}libc_type=mingw32

  5608.         test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  5609.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  5610.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  5611.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5612.         test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&

  5613.             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700

  5614.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5615.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5616.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5617.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5618.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5619.     elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  5620.         eval ${pfx}libc_type=msvcrt

  5621.         if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  5622.             if [ "$pfx" = host_ ]; then

  5623.                 add_host_cppflags -Dsnprintf=_snprintf

  5624.             else

  5625.                 add_compat strtod.o strtod=avpriv_strtod

  5626.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  5627.                                              _snprintf=avpriv_snprintf  \

  5628.                                              vsnprintf=avpriv_vsnprintf

  5629.             fi

  5630.         fi

  5631.         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS

  5632.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  5633.         # 0x601 by default unless something else is set by the user.

  5634.         # This can easily lead to us detecting functions only present

  5635.         # in such new versions and producing binaries requiring windows 7.0.

  5636.         # Therefore explicitly set the default to Vista unless the user has

  5637.         # set something else on the command line.

  5638.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  5639.         # family. For these cases, configure is free to use any functions

  5640.         # found in the SDK headers by default. (Alternatively, we could force

  5641.         # _WIN32_WINNT to 0x0602 in that case.)

  5642.         test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  5643.             { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }

  5644. #ifdef WINAPI_FAMILY

  5645. #include <winapifamily.h>

  5646. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  5647. #error not desktop

  5648. #endif

  5649. #endif

  5650. EOF

  5651.         if [ "$pfx" = "" ]; then

  5652.             check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5653.             check_func strtoull || add_cflags -Dstrtoull=_strtoui64

  5654.         fi

  5655.     elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  5656.         eval ${pfx}libc_type=klibc

  5657.     elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  5658.         eval ${pfx}libc_type=bionic

  5659.     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  5660.         eval ${pfx}libc_type=solaris

  5661.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  5662.     elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then

  5663.         eval ${pfx}libc_type=djgpp

  5664.         add_cppflags -U__STRICT_ANSI__

  5665.         add_cflags "-include $source_path/compat/djgpp/math.h"

  5666.         add_compat djgpp/math.o

  5667.     fi

  5668.     test_${pfx}cc <<EOF

  5669. #include <time.h>

  5670. void *v = localtime_r;

  5671. EOF

  5672. 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

  5673. #include <time.h>

  5674. void *v = localtime_r;

  5675. EOF

  5676. 

  5677.     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}

  5678. }

  5679. 

  5680. probe_libc

  5681. probe_libc host_

  5682. 

  5683. # hacks for compiler/libc/os combinations

  5684. 

  5685. case $libc_type in

  5686.     bionic)

  5687.         add_compat strtod.o strtod=avpriv_strtod

  5688.         ;;

  5689. esac

  5690. 

  5691. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  5692.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  5693. 

  5694. test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  5695. 

  5696. set_default libdir

  5697. : ${shlibdir_default:="$libdir"}

  5698. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  5699. 

  5700. set_default $PATHS_LIST

  5701. set_default nm

  5702. 

  5703. disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer

  5704. 

  5705. enable_weak_pic() {

  5706.     disabled pic && return

  5707.     enable pic

  5708.     add_cppflags -DPIC

  5709.     case "$target_os" in

  5710.     mingw*|cygwin*|win*)

  5711.         ;;

  5712.     *)

  5713.         add_cflags -fPIC

  5714.         add_asflags -fPIC

  5715.         ;;

  5716.     esac

  5717. }

  5718. 

  5719. enabled pic && enable_weak_pic

  5720. 

  5721. test_cc <<EOF || die "Symbol mangling check failed."

  5722. int ff_extern;

  5723. EOF

  5724. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5725. extern_prefix=${sym%%ff_extern*}

  5726. 

  5727. ! disabled inline_asm && check_inline_asm inline_asm '"" ::'

  5728. 

  5729. for restrict_keyword in restrict __restrict__ __restrict ""; do

  5730.     test_code cc "" "char * $restrict_keyword p" && break

  5731. done

  5732. 

  5733. check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'

  5734. 

  5735. # The global variable ensures the bits appear unchanged in the object file.

  5736. test_cc <<EOF || die "endian test failed"

  5737. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5738. EOF

  5739. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5740. 

  5741. check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"

  5742. 

  5743. if ! enabled ppc64 || enabled bigendian; then

  5744.     disable vsx

  5745. fi

  5746. 

  5747. check_gas() {

  5748.     log "check_gas using '$as' as AS"

  5749.     # :vararg is used on aarch64, arm and ppc altivec

  5750.     check_as vararg "

  5751. .macro m n, y:vararg=0

  5752. \n: .int \y

  5753. .endm

  5754. m x" || return 1

  5755.     # .altmacro is only used in arm asm

  5756.     ! enabled arm || check_as gnu_as ".altmacro"

  5757. }

  5758. 

  5759. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5760.     nogas=:

  5761.     enabled_any arm aarch64 && nogas=die

  5762.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5763.     as_noop=-v

  5764. 

  5765.     case $as_type in

  5766.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5767.         gcc)  gaspp_as_type=gas ;;

  5768.         *)    gaspp_as_type=$as_type ;;

  5769.     esac

  5770. 

  5771.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5772. 

  5773.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5774.     test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5775.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5776. 

  5777.     if ! check_gas ; then

  5778.         as=${gas:=$as}

  5779.         check_gas || \

  5780.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5781.     fi

  5782. 

  5783.     check_as as_func ".func test

  5784.                       .endfunc"

  5785. fi

  5786. 

  5787. check_inline_asm inline_asm_labels '"1:\n"'

  5788. 

  5789. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5790. 

  5791. if enabled aarch64; then

  5792.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5793.     # internal assembler in clang 3.3 does not support this instruction

  5794.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5795.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5796. 

  5797.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5798. 

  5799. elif enabled alpha; then

  5800. 

  5801.     check_cflags -mieee

  5802. 

  5803. elif enabled arm; then

  5804. 

  5805.     enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"

  5806.     test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb

  5807. float func(float a, float b){ return a+b; }

  5808. EOF

  5809.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5810. 

  5811.     if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then

  5812.         :

  5813.     elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5814.         :

  5815.     elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5816.         case "${cross_prefix:-$cc}" in

  5817.             *hardfloat*) enable vfp_args; fpabi=vfp ;;

  5818.             *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;

  5819. __asm__ (".eabi_attribute 28, 1");

  5820. int main(void) { return 0; }

  5821. EOF

  5822.         esac

  5823.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5824.     fi

  5825. 

  5826.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5827.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5828.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5829.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5830.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5831.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5832.     enabled setend  && check_insn setend  'setend be'

  5833. 

  5834.     [ $target_os = linux ] || [ $target_os = android ] ||

  5835.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5836.             $ARCH_EXT_LIST_ARM

  5837. 

  5838.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5839. 

  5840.     check_as as_arch_directive ".arch armv7-a"

  5841.     check_as as_dn_directive   "ra .dn d0.i16"

  5842.     check_as as_fpu_directive  ".fpu neon"

  5843. 

  5844.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5845.     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&

  5846.         check_as as_object_arch ".object_arch armv4"

  5847. 

  5848.     # MS armasm fails to assemble our PIC constructs

  5849.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5850. 

  5851. elif enabled mips; then

  5852. 

  5853.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5854.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5855.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5856. 

  5857.     # Enable minimum ISA based on selected options

  5858.     if enabled mips64; then

  5859.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5860.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5861.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5862.     else

  5863.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5864.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5865.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5866.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5867.     fi

  5868. 

  5869.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5870.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5871.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_headers msa.h || disable msa

  5872.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5873.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5874.     enabled msa && enabled msa2 && check_inline_asm_flags msa2 '"nxbits.any.b $w0, $w0"' '-mmsa2' && check_headers msa2.h || disable msa2

  5875. 

  5876.     if enabled bigendian && enabled msa; then

  5877.         disable msa

  5878.     fi

  5879. 

  5880. elif enabled parisc; then

  5881. 

  5882.     if enabled gcc; then

  5883.         case $($cc -dumpversion) in

  5884.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5885.         esac

  5886.     fi

  5887. 

  5888. elif enabled ppc; then

  5889. 

  5890.     enable local_aligned

  5891. 

  5892.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5893.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5894.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5895.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5896. 

  5897.     if enabled altivec; then

  5898.         check_cflags -maltivec -mabi=altivec

  5899. 

  5900.         # check if our compiler supports Motorola AltiVec C API

  5901.         check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };

  5902.                                     vector signed int v2 = (vector signed int) { 1 };

  5903.                                     v1 = vec_add(v1, v2);"

  5904. 

  5905.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5906.     fi

  5907. 

  5908.     if enabled vsx; then

  5909.         check_cflags -mvsx &&

  5910.         check_cc vsx altivec.h "int v[4] = { 0 };

  5911.                                 vector signed int v1 = vec_vsx_ld(0, v);"

  5912.     fi

  5913. 

  5914.     if enabled power8; then

  5915.         check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"

  5916.     fi

  5917. 

  5918. elif enabled x86; then

  5919. 

  5920.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5921.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5922. 

  5923.     enable local_aligned

  5924. 

  5925.     # check whether EBP is available on x86

  5926.     # As 'i' is stored on the stack, this program will crash

  5927.     # if the base pointer is used to access it because the

  5928.     # base pointer is cleared in the inline assembly code.

  5929.     check_exec_crash <<EOF && enable ebp_available

  5930. volatile int i=0;

  5931. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5932. return i;

  5933. EOF

  5934. 

  5935.     # check whether EBX is available on x86

  5936.     check_inline_asm ebx_available '""::"b"(0)' &&

  5937.         check_inline_asm ebx_available '"":::"%ebx"'

  5938. 

  5939.     # check whether xmm clobbers are supported

  5940.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5941. 

  5942.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5943.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5944. 

  5945.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5946.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5947.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5948. 

  5949.     probe_x86asm(){

  5950.         x86asmexe_probe=$1

  5951.         if test_cmd $x86asmexe_probe -v; then

  5952.             x86asmexe=$x86asmexe_probe

  5953.             x86asm_type=nasm

  5954.             x86asm_debug="-g -F dwarf"

  5955.             X86ASMDEP=

  5956.             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'

  5957.         elif test_cmd $x86asmexe_probe --version; then

  5958.             x86asmexe=$x86asmexe_probe

  5959.             x86asm_type=yasm

  5960.             x86asm_debug="-g dwarf2"

  5961.             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'

  5962.             X86ASM_DEPFLAGS=

  5963.         fi

  5964.         check_x86asm x86asm "movbe ecx, [5]"

  5965.     }

  5966. 

  5967.     if ! disabled_any asm mmx x86asm; then

  5968.         disable x86asm

  5969.         for program in $x86asmexe nasm yasm; do

  5970.             probe_x86asm $program && break

  5971.         done

  5972.         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."

  5973.         X86ASMFLAGS="-f $objformat"

  5974.         enabled pic               && append X86ASMFLAGS "-DPIC"

  5975.         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"

  5976.         case "$objformat" in

  5977.             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;

  5978.         esac

  5979. 

  5980.         enabled avx512 && check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"

  5981.         enabled avx2   && check_x86asm avx2_external   "vextracti128 xmm0, ymm0, 0"

  5982.         enabled xop    && check_x86asm xop_external    "vpmacsdd xmm0, xmm1, xmm2, xmm3"

  5983.         enabled fma4   && check_x86asm fma4_external   "vfmaddps ymm0, ymm1, ymm2, ymm3"

  5984.         check_x86asm cpunop          "CPU amdnop"

  5985.     fi

  5986. 

  5987.     case "$cpu" in

  5988.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5989.             disable fast_clz

  5990.         ;;

  5991.     esac

  5992. 

  5993. fi

  5994. 

  5995. check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"

  5996. 

  5997. check_ldflags -Wl,--as-needed

  5998. check_ldflags -Wl,-z,noexecstack

  5999. 

  6000. if ! disabled network; then

  6001.     check_func getaddrinfo $network_extralibs

  6002.     check_func inet_aton $network_extralibs

  6003. 

  6004.     check_type netdb.h "struct addrinfo"

  6005.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  6006.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  6007.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  6008.     check_type poll.h "struct pollfd"

  6009.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  6010.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  6011.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  6012.     check_type netinet/in.h "struct sockaddr_in6"

  6013.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  6014.     check_type "sys/types.h sys/socket.h" socklen_t

  6015. 

  6016.     # Prefer arpa/inet.h over winsock2

  6017.     if check_headers arpa/inet.h ; then

  6018.         check_func closesocket

  6019.     elif check_headers winsock2.h ; then

  6020.         check_func_headers winsock2.h closesocket -lws2 &&

  6021.             network_extralibs="-lws2" ||

  6022.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  6023.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  6024.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  6025. 

  6026.         check_type ws2tcpip.h socklen_t

  6027.         check_type ws2tcpip.h "struct addrinfo"

  6028.         check_type ws2tcpip.h "struct group_source_req"

  6029.         check_type ws2tcpip.h "struct ip_mreq_source"

  6030.         check_type ws2tcpip.h "struct ipv6_mreq"

  6031.         check_type winsock2.h "struct pollfd"

  6032.         check_struct winsock2.h "struct sockaddr" sa_len

  6033.         check_type ws2tcpip.h "struct sockaddr_in6"

  6034.         check_type ws2tcpip.h "struct sockaddr_storage"

  6035.     else

  6036.         disable network

  6037.     fi

  6038. fi

  6039. 

  6040. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  6041. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  6042. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  6043. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  6044. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  6045. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  6046. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  6047. 

  6048. case "$custom_allocator" in

  6049.     jemalloc)

  6050.         # jemalloc by default does not use a prefix

  6051.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  6052.     ;;

  6053.     tcmalloc)

  6054.         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc

  6055.         malloc_prefix=tc_

  6056.     ;;

  6057. esac

  6058. 

  6059. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  6060. check_func  ${malloc_prefix}memalign            && enable memalign

  6061. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  6062. 

  6063. check_func  access

  6064. check_func_headers stdlib.h arc4random

  6065. check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt

  6066. check_func  fcntl

  6067. check_func  fork

  6068. check_func  gethrtime

  6069. check_func  getopt

  6070. check_func  getrusage

  6071. check_func  gettimeofday

  6072. check_func  isatty

  6073. check_func  mkstemp

  6074. check_func  mmap

  6075. check_func  mprotect

  6076. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  6077. check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt

  6078. check_func  sched_getaffinity

  6079. check_func  setrlimit

  6080. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  6081. check_func  strerror_r

  6082. check_func  sysconf

  6083. check_func  sysctl

  6084. check_func  usleep

  6085. 

  6086. check_func_headers conio.h kbhit

  6087. check_func_headers io.h setmode

  6088. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  6089. check_func_headers mach/mach_time.h mach_absolute_time

  6090. check_func_headers stdlib.h getenv

  6091. check_func_headers sys/stat.h lstat

  6092. 

  6093. check_func_headers windows.h GetModuleHandle

  6094. check_func_headers windows.h GetProcessAffinityMask

  6095. check_func_headers windows.h GetProcessTimes

  6096. check_func_headers windows.h GetStdHandle

  6097. check_func_headers windows.h GetSystemTimeAsFileTime

  6098. check_func_headers windows.h LoadLibrary

  6099. check_func_headers windows.h MapViewOfFile

  6100. check_func_headers windows.h PeekNamedPipe

  6101. check_func_headers windows.h SetConsoleTextAttribute

  6102. check_func_headers windows.h SetConsoleCtrlHandler

  6103. check_func_headers windows.h SetDllDirectory

  6104. check_func_headers windows.h Sleep

  6105. check_func_headers windows.h VirtualAlloc

  6106. check_func_headers glob.h glob

  6107. enabled xlib &&

  6108.     check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  6109. 

  6110. check_headers direct.h

  6111. check_headers dirent.h

  6112. check_headers dxgidebug.h

  6113. check_headers dxva.h

  6114. check_headers dxva2api.h -D_WIN32_WINNT=0x0600

  6115. check_headers io.h

  6116. check_headers linux/perf_event.h

  6117. check_headers libcrystalhd/libcrystalhd_if.h

  6118. check_headers malloc.h

  6119. check_headers mftransform.h

  6120. check_headers net/udplite.h

  6121. check_headers poll.h

  6122. check_headers sys/param.h

  6123. check_headers sys/resource.h

  6124. check_headers sys/select.h

  6125. check_headers sys/time.h

  6126. check_headers sys/un.h

  6127. check_headers termios.h

  6128. check_headers unistd.h

  6129. check_headers valgrind/valgrind.h

  6130. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  6131. check_headers windows.h

  6132. check_headers X11/extensions/XvMClib.h

  6133. check_headers asm/types.h

  6134. 

  6135. # it seems there are versions of clang in some distros that try to use the

  6136. # gcc headers, which explodes for stdatomic

  6137. # so we also check that atomics actually work here

  6138. check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"

  6139. 

  6140. check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32

  6141. check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&

  6142.     check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"

  6143. check_lib ole32    "windows.h"            CoTaskMemFree        -lole32

  6144. check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32

  6145. check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

  6146. 

  6147. check_lib android android/native_window.h ANativeWindow_acquire -landroid

  6148. check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk

  6149. check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk

  6150. 

  6151. enabled appkit       && check_apple_framework AppKit

  6152. enabled audiotoolbox && check_apple_framework AudioToolbox

  6153. enabled avfoundation && check_apple_framework AVFoundation

  6154. enabled coreimage    && check_apple_framework CoreImage

  6155. enabled videotoolbox && check_apple_framework VideoToolbox

  6156. 

  6157. check_apple_framework CoreFoundation

  6158. check_apple_framework CoreMedia

  6159. check_apple_framework CoreVideo

  6160. check_apple_framework CoreAudio

  6161. 

  6162. enabled avfoundation && {

  6163.     disable coregraphics applicationservices

  6164.     check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||

  6165.     check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }

  6166. 

  6167. enabled videotoolbox && {

  6168.     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"

  6169.     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"

  6170.     check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo"

  6171.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ "-framework CoreVideo"

  6172.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_ITU_R_2100_HLG "-framework CoreVideo"

  6173.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_Linear "-framework CoreVideo"

  6174. }

  6175. 

  6176. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  6177. 

  6178. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  6179. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  6180. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  6181. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  6182. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  6183. check_func_headers mfapi.h MFCreateAlignedMemoryBuffer -lmfplat

  6184. 

  6185. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  6186. check_type "vdpau/vdpau.h" "VdpPictureInfoVP9"

  6187. 

  6188. if [ -z "$nvccflags" ]; then

  6189.     nvccflags=$nvccflags_default

  6190. fi

  6191. 

  6192. if enabled x86_64 || enabled ppc64 || enabled aarch64; then

  6193.     nvccflags="$nvccflags -m64"

  6194. else

  6195.     nvccflags="$nvccflags -m32"

  6196. fi

  6197. 

  6198. if enabled cuda_nvcc; then

  6199.     nvccflags="$nvccflags -ptx"

  6200. else

  6201.     nvccflags="$nvccflags -S -nocudalib -nocudainc --cuda-device-only -include ${source_link}/compat/cuda/cuda_runtime.h"

  6202.     check_nvcc cuda_llvm

  6203. fi

  6204. 

  6205. if ! disabled ffnvcodec; then

  6206.     ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h"

  6207.     check_pkg_config ffnvcodec "ffnvcodec >= 9.1.23.1" "$ffnv_hdr_list" "" || \

  6208.       check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.3 ffnvcodec < 9.1" "$ffnv_hdr_list" "" || \

  6209.       check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.10 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \

  6210.       check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.11 ffnvcodec < 8.2" "$ffnv_hdr_list" ""

  6211. fi

  6212. 

  6213. check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"

  6214. 

  6215. if ! disabled w32threads && ! enabled pthreads; then

  6216.     check_func_headers "windows.h process.h" _beginthreadex &&

  6217.         check_type "windows.h" CONDITION_VARIABLE &&

  6218.         check_type "windows.h" INIT_ONCE &&

  6219.         enable w32threads || disable w32threads

  6220.     if ! enabled w32threads && enabled winrt; then

  6221.         check_func_headers "windows.h" CreateThread &&

  6222.             enable w32threads || disable w32threads

  6223.     fi

  6224. fi

  6225. 

  6226. # check for some common methods of building with pthread support

  6227. # do this before the optional library checks as some of them require pthreads

  6228. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  6229.     if check_lib pthreads pthread.h pthread_join   -pthread &&

  6230.        check_lib pthreads pthread.h pthread_create -pthread; then

  6231.         add_cflags -pthread

  6232.     elif check_lib pthreads pthread.h pthread_join   -pthreads &&

  6233.          check_lib pthreads pthread.h pthread_create -pthreads; then

  6234.         add_cflags -pthreads

  6235.     elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&

  6236.          check_lib pthreads pthread.h pthread_create -ldl -pthread; then

  6237.         add_cflags -ldl -pthread

  6238.     elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&

  6239.          check_lib pthreads pthread.h pthread_create -lpthreadGC2; then

  6240.         :

  6241.     elif check_lib pthreads pthread.h pthread_join   -lpthread &&

  6242.          check_lib pthreads pthread.h pthread_create -lpthread; then

  6243.         :

  6244.     elif check_func pthread_join && check_func pthread_create; then

  6245.         enable pthreads

  6246.     fi

  6247.     check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"

  6248. 

  6249.     if enabled pthreads; then

  6250.         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs

  6251.         check_func pthread_cancel $pthreads_extralibs

  6252.     fi

  6253. fi

  6254. 

  6255. enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||

  6256.                    check_lib zlib   zlib.h      zlibVersion    -lz; }

  6257. enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2

  6258. enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma

  6259. 

  6260. # On some systems dynamic loading requires no extra linker flags

  6261. check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl

  6262. 

  6263. check_lib libm math.h sin -lm

  6264. 

  6265. atan2f_args=2

  6266. copysign_args=2

  6267. hypot_args=2

  6268. ldexpf_args=2

  6269. powf_args=2

  6270. 

  6271. for func in $MATH_FUNCS; do

  6272.     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs

  6273. done

  6274. 

  6275. for func in $COMPLEX_FUNCS; do

  6276.     eval check_complexfunc $func \${${func}_args:-1}

  6277. done

  6278. 

  6279. # these are off by default, so fail if requested and not available

  6280. enabled avisynth          && require_headers "avisynth/avisynth_c.h"

  6281. enabled cuda_nvcc         && { check_nvcc cuda_nvcc || die "ERROR: failed checking for nvcc."; }

  6282. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  6283. enabled decklink          && { require_headers DeckLinkAPI.h &&

  6284.                                { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a0a0000" || die "ERROR: Decklink API version must be >= 10.10"; } }

  6285. enabled frei0r            && require_headers "frei0r.h dlfcn.h"

  6286. enabled gmp               && require gmp gmp.h mpz_export -lgmp

  6287. enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

  6288. enabled jni               && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }

  6289. enabled ladspa            && require_headers "ladspa.h dlfcn.h"

  6290. enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version

  6291. enabled libaribb24        && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||

  6292.                                { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||

  6293.                                die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }

  6294. enabled lv2               && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new

  6295. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  6296. enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init

  6297. enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open

  6298. enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open

  6299. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  6300.                              { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||

  6301.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  6302. enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas

  6303. enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2

  6304. enabled libdav1d          && require_pkg_config libdav1d "dav1d >= 0.4.0" "dav1d/dav1d.h" dav1d_version

  6305. enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open

  6306. enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new

  6307. enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion

  6308. enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  6309.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  6310.                                  warn "using libfdk without pkg-config"; } }

  6311. 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"

  6312. enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs

  6313. enabled fontconfig        && enable libfontconfig

  6314. enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit

  6315. enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

  6316. enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info

  6317. enabled libglslang        && require_cpp libglslang glslang/SPIRV/GlslangToSpv.h "glslang::TIntermediate*" -lglslang -lOSDependent -lHLSL -lOGLCompiler -lSPVRemapper -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lpthread -lstdc++

  6318. enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||

  6319.                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }

  6320. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  6321.                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;

  6322.                                done || die "ERROR: libgsm not found"; }

  6323. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs

  6324. enabled libklvanc         && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc

  6325. enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  6326. enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_db_new

  6327. # While it may appear that require is being used as a pkg-config

  6328. # fallback for libmfx, it is actually being used to detect a different

  6329. # installation route altogether.  If libmfx is installed via the Intel

  6330. # Media SDK or Intel Media Server Studio, these don't come with

  6331. # pkg-config support.  Instead, users should make sure that the build

  6332. # can find the libraries and headers through other means.

  6333. enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||

  6334.                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }

  6335. if enabled libmfx; then

  6336.    check_cc MFX_CODEC_VP9 "mfx/mfxvp9.h mfx/mfxstructures.h" "MFX_CODEC_VP9"

  6337. fi

  6338. 

  6339. enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load

  6340. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs

  6341. enabled libmysofa         && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine ||

  6342.                                require libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine -lmysofa $zlib_extralibs; }

  6343. enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||

  6344.                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||

  6345.                                die "ERROR: libnpp not found"; }

  6346. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  6347. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  6348. enabled libopencv         && { check_headers opencv2/core/core_c.h &&

  6349.                                { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||

  6350.                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  6351.                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }

  6352. enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion

  6353. enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||

  6354.                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }

  6355. enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"

  6356. enabled libopenvino       && require libopenvino c_api/ie_c_api.h ie_c_api_version -linference_engine_c_api

  6357. enabled libopus           && {

  6358.     enabled libopus_decoder && {

  6359.         require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create

  6360.     }

  6361.     enabled libopus_encoder && {

  6362.         require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create

  6363.     }

  6364. }

  6365. enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new

  6366. enabled librabbitmq       && require_pkg_config librabbitmq "librabbitmq >= 0.7.1" amqp.h amqp_new_connection

  6367. enabled librav1e          && require_pkg_config librav1e "rav1e >= 0.1.0" rav1e.h rav1e_context_new

  6368. enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo

  6369. enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket

  6370. enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"

  6371. enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer

  6372. enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||

  6373.                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }

  6374. enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++

  6375. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  6376. enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init

  6377. enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init

  6378. enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket

  6379. enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow

  6380. enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate

  6381. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  6382. enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure

  6383. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  6384.                              { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  6385.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  6386. enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl

  6387. enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  6388. enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 1.5.2" libvmaf.h compute_vmaf

  6389. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  6390. enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&

  6391.                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init

  6392. 

  6393. enabled libvpx            && {

  6394.     enabled libvpx_vp8_decoder && {

  6395.         check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  6396.             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"

  6397.     }

  6398.     enabled libvpx_vp8_encoder && {

  6399.         check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  6400.             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"

  6401.     }

  6402.     enabled libvpx_vp9_decoder && {

  6403.         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  6404.             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"

  6405.     }

  6406.     enabled libvpx_vp9_encoder && {

  6407.         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  6408.             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"

  6409.     }

  6410.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  6411.         die "libvpx enabled but no supported decoders found"

  6412.     fi

  6413. }

  6414. 

  6415. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  6416. enabled libwebp           && {

  6417.     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  6418.     enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }

  6419. enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||

  6420.                                { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&

  6421.                                  warn "using libx264 without pkg-config"; } } &&

  6422.                              require_cpp_condition libx264 x264.h "X264_BUILD >= 118" &&

  6423.                              check_cpp_condition libx262 x264.h "X264_MPEG2"

  6424. enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&

  6425.                              require_cpp_condition libx265 x265.h "X265_BUILD >= 70"

  6426. enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"

  6427. enabled libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get

  6428. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  6429. enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version

  6430. enabled libzmq            && require_pkg_config libzmq "libzmq >= 4.2.1" zmq.h zmq_ctx_new

  6431. enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&

  6432.                              { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  6433.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  6434. enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion

  6435. enabled mbedtls           && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||

  6436.                                check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||

  6437.                                check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||

  6438.                                die "ERROR: mbedTLS not found"; }

  6439. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  6440. enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  6441.                                { ! enabled cross_compile &&

  6442.                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&

  6443.                                  add_ldflags -L/opt/vc/lib/ &&

  6444.                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||

  6445.                                die "ERROR: mmal not found" &&

  6446.                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }

  6447. enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  6448.                                check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||

  6449.                                die "ERROR: openal not found"; } &&

  6450.                              { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  6451.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  6452. enabled opencl            && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||

  6453.                                check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  6454.                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  6455.                                die "ERROR: opencl not found"; } &&

  6456.                              { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  6457.                                test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  6458.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  6459. enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||

  6460.                                check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  6461.                                check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  6462.                                check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  6463.                                die "ERROR: opengl not found."

  6464.                              }

  6465. enabled omx_rpi           && { test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame ||

  6466.                                { ! enabled cross_compile &&

  6467.                                  add_cflags -isystem/opt/vc/include/IL &&

  6468.                                  test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame; } ||

  6469.                                die "ERROR: OpenMAX IL headers from raspberrypi/firmware not found"; } &&

  6470.                              enable omx

  6471. enabled omx               && require_headers OMX_Core.h

  6472. enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||

  6473.                                check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||

  6474.                                check_lib openssl openssl/ssl.h OPENSSL_init_ssl -lssl -lcrypto ||

  6475.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  6476.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  6477.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  6478.                                die "ERROR: openssl not found"; }

  6479. enabled pocketsphinx      && require_pkg_config pocketsphinx pocketsphinx pocketsphinx/pocketsphinx.h ps_init

  6480. enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/rk_mpi.h mpp_create &&

  6481.                                require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&

  6482.                                { enabled libdrm ||

  6483.                                  die "ERROR: rkmpp requires --enable-libdrm"; }

  6484.                              }

  6485. enabled vapoursynth       && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init

  6486. 

  6487. 

  6488. if enabled gcrypt; then

  6489.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  6490.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  6491.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  6492.         gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)

  6493.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||

  6494.             die "ERROR: gcrypt not found"

  6495.         add_cflags $gcrypt_cflags

  6496.     else

  6497.         require gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  6498.     fi

  6499. fi

  6500. 

  6501. if enabled sdl2; then

  6502.     SDL2_CONFIG="${cross_prefix}sdl2-config"

  6503.     test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent

  6504.     if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then

  6505.         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)

  6506.         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)

  6507.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&

  6508.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&

  6509.         check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&

  6510.             enable sdl2

  6511.     fi

  6512.     if test $target_os = "mingw32"; then

  6513.         sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)

  6514.     fi

  6515. fi

  6516. 

  6517. if enabled decklink; then

  6518.     case $target_os in

  6519.         mingw32*|mingw64*|win32|win64)

  6520.             decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  6521.             decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  6522.             ;;

  6523.     esac

  6524. fi

  6525. 

  6526. enabled securetransport &&

  6527.     check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  6528.     check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||

  6529.         disable securetransport

  6530. 

  6531. enabled securetransport &&

  6532.     check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"

  6533. 

  6534. enabled schannel &&

  6535.     check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  6536.     test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&

  6537.     schannel_extralibs="-lsecur32" ||

  6538.         disable schannel

  6539. 

  6540. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  6541. enabled makeinfo \

  6542.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  6543.     && enable makeinfo_html || disable makeinfo_html

  6544. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  6545. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  6546. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  6547. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  6548. 

  6549. # check V4L2 codecs available in the API

  6550. if enabled v4l2_m2m; then

  6551.     check_headers linux/fb.h

  6552.     check_headers linux/videodev2.h

  6553.     test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6554.     check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"

  6555.     check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"

  6556.     check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"

  6557.     check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"

  6558.     check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"

  6559.     check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"

  6560.     check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"

  6561.     check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"

  6562.     check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"

  6563.     check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"

  6564. fi

  6565. 

  6566. check_headers sys/videoio.h

  6567. test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6568. 

  6569. check_lib user32 "windows.h winuser.h" GetShellWindow -luser32

  6570. check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32

  6571. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  6572. # w32api 3.12 had it defined wrong

  6573. check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"

  6574. 

  6575. check_type "dshow.h" IBaseFilter

  6576. 

  6577. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  6578. check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||

  6579.     check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||

  6580.     check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||

  6581.     check_headers "dev/ic/bt8xx.h"

  6582. 

  6583. if check_struct sys/soundcard.h audio_buf_info bytes; then

  6584.     enable_sanitized sys/soundcard.h

  6585. else

  6586.     test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h

  6587.     #include <sys/soundcard.h>

  6588.     audio_buf_info abc;

  6589. EOF

  6590. fi

  6591. 

  6592. enabled alsa && { check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||

  6593.                   check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound; }

  6594. 

  6595. enabled libjack &&

  6596.     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range

  6597. 

  6598. enabled sndio && check_lib sndio sndio.h sio_open -lsndio

  6599. 

  6600. if enabled libcdio; then

  6601.     check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||

  6602.     check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||

  6603.     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6604.     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6605.     die "ERROR: No usable libcdio/cdparanoia found"

  6606. fi

  6607. 

  6608. enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||

  6609.     disable libxcb_shm libxcb_shape libxcb_xfixes

  6610. 

  6611. if enabled libxcb; then

  6612.     enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach

  6613.     enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles

  6614.     enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image

  6615. fi

  6616. 

  6617. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  6618. 

  6619. # d3d11va requires linking directly to dxgi and d3d11 if not building for

  6620. # the desktop api partition

  6621. test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"

  6622. #ifdef WINAPI_FAMILY

  6623. #include <winapifamily.h>

  6624. #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  6625. #error desktop, not uwp

  6626. #else

  6627. // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP

  6628. #endif

  6629. #else

  6630. #error no family set

  6631. #endif

  6632. EOF

  6633. 

  6634. enabled vaapi &&

  6635.     check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize

  6636. 

  6637. if enabled vaapi; then

  6638.     check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM

  6639. 

  6640.     if enabled xlib; then

  6641.         check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay

  6642.     fi

  6643. 

  6644.     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"

  6645. 

  6646.     check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"

  6647.     check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth

  6648.     check_type   "va/va.h va/va_vpp.h" "VAProcFilterParameterBufferHDRToneMapping"

  6649.     check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags

  6650.     check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  6651.     check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  6652.     check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"

  6653.     check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"

  6654. fi

  6655. 

  6656. if enabled_all opencl libdrm ; then

  6657.     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

  6658.         enable opencl_drm_beignet

  6659.     check_func_headers "CL/cl_ext.h" clImportMemoryARM &&

  6660.         enable opencl_drm_arm

  6661. fi

  6662. 

  6663. if enabled_all opencl vaapi ; then

  6664.     if enabled opencl_drm_beignet ; then

  6665.         enable opencl_vaapi_beignet

  6666.     else

  6667.         check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&

  6668.             enable opencl_vaapi_intel_media

  6669.     fi

  6670. fi

  6671. 

  6672. if enabled_all opencl dxva2 ; then

  6673.     check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&

  6674.         enable opencl_dxva2

  6675. fi

  6676. 

  6677. if enabled_all opencl d3d11va ; then

  6678.     check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&

  6679.         enable opencl_d3d11

  6680. fi

  6681. 

  6682. enabled vdpau &&

  6683.     check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"

  6684. 

  6685. enabled vdpau &&

  6686.     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11

  6687. 

  6688. enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd

  6689. 

  6690. enabled vulkan &&

  6691.     require_pkg_config vulkan "vulkan >= 1.1.97" "vulkan/vulkan.h" vkCreateInstance

  6692. 

  6693. if enabled x86; then

  6694.     case $target_os in

  6695.         mingw32*|mingw64*|win32|win64|linux|cygwin*)

  6696.             ;;

  6697.         *)

  6698.             disable ffnvcodec cuvid nvdec nvenc

  6699.             ;;

  6700.     esac

  6701. elif enabled_any aarch64 ppc64 && ! enabled bigendian; then

  6702.     case $target_os in

  6703.         linux)

  6704.             ;;

  6705.         *)

  6706.             disable ffnvcodec cuvid nvdec nvenc

  6707.             ;;

  6708.     esac

  6709. else

  6710.     disable ffnvcodec cuvid nvdec nvenc

  6711. fi

  6712. 

  6713. enabled ffnvcodec && enable cuda

  6714. 

  6715. enabled nvenc &&

  6716.     test_cc -I$source_path <<EOF || disable nvenc

  6717. #include <ffnvcodec/nvEncodeAPI.h>

  6718. NV_ENCODE_API_FUNCTION_LIST flist;

  6719. void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }

  6720. int main(void) { return 0; }

  6721. EOF

  6722. 

  6723. enabled amf &&

  6724.     check_cpp_condition amf "AMF/core/Version.h" \

  6725.         "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400090000"

  6726. 

  6727. # Funny iconv installations are not unusual, so check it after all flags have been set

  6728. if enabled libc_iconv; then

  6729.     check_func_headers iconv.h iconv

  6730. elif enabled iconv; then

  6731.     check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv

  6732. fi

  6733. 

  6734. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  6735. 

  6736. # add some useful compiler flags if supported

  6737. check_cflags -Wdeclaration-after-statement

  6738. check_cflags -Wall

  6739. check_cflags -Wdisabled-optimization

  6740. check_cflags -Wpointer-arith

  6741. check_cflags -Wredundant-decls

  6742. check_cflags -Wwrite-strings

  6743. check_cflags -Wtype-limits

  6744. check_cflags -Wundef

  6745. check_cflags -Wmissing-prototypes

  6746. check_cflags -Wno-pointer-to-int-cast

  6747. check_cflags -Wstrict-prototypes

  6748. check_cflags -Wempty-body

  6749. 

  6750. if enabled extra_warnings; then

  6751.     check_cflags -Wcast-qual

  6752.     check_cflags -Wextra

  6753.     check_cflags -Wpedantic

  6754. fi

  6755. 

  6756. check_disable_warning(){

  6757.     warning_flag=-W${1#-Wno-}

  6758.     test_cflags $unknown_warning_flags $warning_flag && add_cflags $1

  6759. }

  6760. 

  6761. test_cflags -Werror=unused-command-line-argument &&

  6762.     append unknown_warning_flags "-Werror=unused-command-line-argument"

  6763. test_cflags -Werror=unknown-warning-option &&

  6764.     append unknown_warning_flags "-Werror=unknown-warning-option"

  6765. 

  6766. check_disable_warning -Wno-parentheses

  6767. check_disable_warning -Wno-switch

  6768. check_disable_warning -Wno-format-zero-length

  6769. check_disable_warning -Wno-pointer-sign

  6770. check_disable_warning -Wno-unused-const-variable

  6771. check_disable_warning -Wno-bool-operation

  6772. check_disable_warning -Wno-char-subscripts

  6773. 

  6774. check_disable_warning_headers(){

  6775.     warning_flag=-W${1#-Wno-}

  6776.     test_cflags $warning_flag && add_cflags_headers $1

  6777. }

  6778. 

  6779. check_disable_warning_headers -Wno-deprecated-declarations

  6780. check_disable_warning_headers -Wno-unused-variable

  6781. 

  6782. test_cc <<EOF && enable blocks_extension

  6783. void (^block)(void);

  6784. EOF

  6785. 

  6786. # add some linker flags

  6787. check_ldflags -Wl,--warn-common

  6788. check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6789. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir

  6790. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6791. 

  6792. # add some strip flags

  6793. check_stripflags -x

  6794. 

  6795. enabled neon_clobber_test &&

  6796.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6797.                   -Wl,--wrap,avcodec_decode_audio4      \

  6798.                   -Wl,--wrap,avcodec_decode_video2      \

  6799.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6800.                   -Wl,--wrap,avcodec_encode_audio2      \

  6801.                   -Wl,--wrap,avcodec_encode_video2      \

  6802.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6803.                   -Wl,--wrap,avcodec_send_packet        \

  6804.                   -Wl,--wrap,avcodec_receive_packet     \

  6805.                   -Wl,--wrap,avcodec_send_frame         \

  6806.                   -Wl,--wrap,avcodec_receive_frame      \

  6807.                   -Wl,--wrap,swr_convert                \

  6808.                   -Wl,--wrap,avresample_convert ||

  6809.     disable neon_clobber_test

  6810. 

  6811. enabled xmm_clobber_test &&

  6812.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6813.                   -Wl,--wrap,avcodec_decode_audio4      \

  6814.                   -Wl,--wrap,avcodec_decode_video2      \

  6815.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6816.                   -Wl,--wrap,avcodec_encode_audio2      \

  6817.                   -Wl,--wrap,avcodec_encode_video2      \

  6818.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6819.                   -Wl,--wrap,avcodec_send_packet        \

  6820.                   -Wl,--wrap,avcodec_receive_packet     \

  6821.                   -Wl,--wrap,avcodec_send_frame         \

  6822.                   -Wl,--wrap,avcodec_receive_frame      \

  6823.                   -Wl,--wrap,swr_convert                \

  6824.                   -Wl,--wrap,avresample_convert         \

  6825.                   -Wl,--wrap,sws_scale ||

  6826.     disable xmm_clobber_test

  6827. 

  6828. check_ld "cc" proper_dce <<EOF

  6829. extern const int array[512];

  6830. static inline int func(void) { return array[0]; }

  6831. int main(void) { return 0; }

  6832. EOF

  6833. 

  6834. if enabled proper_dce; then

  6835.     echo "X { local: *; };" > $TMPV

  6836.     if test_ldflags -Wl,${version_script},$TMPV; then

  6837.         append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'

  6838.         quotes='""'

  6839.         test_cc <<EOF && enable symver_asm_label

  6840. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6841. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6842. EOF

  6843.         test_cc <<EOF && enable symver_gnu_asm

  6844. __asm__(".symver ff_foo,av_foo@VERSION");

  6845. void ff_foo(void) {}

  6846. EOF

  6847.     fi

  6848. fi

  6849. 

  6850. if [ -z "$optflags" ]; then

  6851.     if enabled small; then

  6852.         optflags=$cflags_size

  6853.     elif enabled optimizations; then

  6854.         optflags=$cflags_speed

  6855.     else

  6856.         optflags=$cflags_noopt

  6857.     fi

  6858. fi

  6859. 

  6860. check_optflags(){

  6861.     check_cflags "$@"

  6862.     enabled lto && check_ldflags "$@"

  6863. }

  6864. 

  6865. check_optflags $optflags

  6866. check_optflags -fno-math-errno

  6867. check_optflags -fno-signed-zeros

  6868. 

  6869. if enabled lto; then

  6870.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6871.     check_cflags  -flto

  6872.     check_ldflags -flto $cpuflags

  6873.     disable inline_asm_direct_symbol_refs

  6874. fi

  6875. 

  6876. enabled ftrapv && check_cflags -ftrapv

  6877. 

  6878. test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6879. int x;

  6880. EOF

  6881. 

  6882. 

  6883. if enabled icc; then

  6884.     # Just warnings, no remarks

  6885.     check_cflags -w1

  6886.     # -wd: Disable following warnings

  6887.     # 144, 167, 556: -Wno-pointer-sign

  6888.     # 188: enumerated type mixed with another type

  6889.     # 1292: attribute "foo" ignored

  6890.     # 1419: external declaration in primary source file

  6891.     # 10006: ignoring unknown option -fno-signed-zeros

  6892.     # 10148: ignoring unknown option -Wno-parentheses

  6893.     # 10156: ignoring option '-W'; no argument required

  6894.     # 13200: No EMMS instruction before call to function

  6895.     # 13203: No EMMS instruction before return from function

  6896.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6897.     # 11030: Warning unknown option --as-needed

  6898.     # 10156: ignoring option '-export'; no argument required

  6899.     check_ldflags -wd10156,11030

  6900.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6901.     enable ebp_available

  6902.     # The test above does not test linking

  6903.     enabled lto && disable symver_asm_label

  6904.     if enabled x86_32; then

  6905.         icc_version=$($cc -dumpversion)

  6906.         test ${icc_version%%.*} -ge 11 &&

  6907.             check_cflags -falign-stack=maintain-16-byte ||

  6908.             disable aligned_stack

  6909.     fi

  6910. elif enabled gcc; then

  6911.     check_optflags -fno-tree-vectorize

  6912.     check_cflags -Werror=format-security

  6913.     check_cflags -Werror=implicit-function-declaration

  6914.     check_cflags -Werror=missing-prototypes

  6915.     check_cflags -Werror=return-type

  6916.     check_cflags -Werror=vla

  6917.     check_cflags -Wformat

  6918.     check_cflags -fdiagnostics-color=auto

  6919.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6920.     if enabled x86_32; then

  6921.         case $target_os in

  6922.         *bsd*)

  6923.             # BSDs don't guarantee a 16 byte aligned stack, but we can

  6924.             # request GCC to try to maintain 16 byte alignment throughout

  6925.             # function calls. Library entry points that might call assembly

  6926.             # functions align the stack. (The parameter means 2^4 bytes.)

  6927.             check_cflags -mpreferred-stack-boundary=4

  6928.             ;;

  6929.         esac

  6930.     fi

  6931. elif enabled llvm_gcc; then

  6932.     check_cflags -mllvm -stack-alignment=16

  6933. elif enabled clang; then

  6934.     if enabled x86_32; then

  6935.         # Clang doesn't support maintaining alignment without assuming the

  6936.         # same alignment in every function. If 16 byte alignment would be

  6937.         # enabled, one would also have to either add attribute_align_arg on

  6938.         # every single entry point into the libraries or enable -mstackrealign

  6939.         # (doing stack realignment in every single function).

  6940.         case $target_os in

  6941.         mingw32|win32|*bsd*)

  6942.             disable aligned_stack

  6943.             ;;

  6944.         *)

  6945.             check_cflags -mllvm -stack-alignment=16

  6946.             check_cflags -mstack-alignment=16

  6947.             ;;

  6948.         esac

  6949.     else

  6950.         check_cflags -mllvm -stack-alignment=16

  6951.         check_cflags -mstack-alignment=16

  6952.     fi

  6953.     check_cflags -Qunused-arguments

  6954.     check_cflags -Werror=implicit-function-declaration

  6955.     check_cflags -Werror=missing-prototypes

  6956.     check_cflags -Werror=return-type

  6957. elif enabled cparser; then

  6958.     add_cflags -Wno-missing-variable-declarations

  6959.     add_cflags -Wno-empty-statement

  6960. elif enabled armcc; then

  6961.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6962.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6963.     # 2523: use of inline assembly is deprecated

  6964.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6965.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6966.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6967.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6968.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6969.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6970. elif enabled pathscale; then

  6971.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6972.     disable inline_asm

  6973. elif enabled_any msvc icl; then

  6974.     enabled x86_32 && disable aligned_stack

  6975.     enabled_all x86_32 debug && add_cflags -Oy-

  6976.     enabled debug && add_ldflags -debug

  6977.     enable pragma_deprecated

  6978.     if enabled icl; then

  6979.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6980.         # (correctly) on icl 13.x.

  6981.         test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6982.             add_cflags -Qansi-alias

  6983.         # Some inline asm is not compilable in debug

  6984.         if enabled debug; then

  6985.             disable ebp_available

  6986.             disable ebx_available

  6987.         fi

  6988.     fi

  6989.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6990.     check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"

  6991.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6992.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6993.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6994.     # MSVC 2013 and newer can handle it fine.

  6995.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6996.     # happens in config.h.

  6997.     if [ $restrict_keyword != restrict ]; then

  6998.         test_cc <<EOF || add_cflags -FIstdlib.h

  6999. __declspec($restrict_keyword) void *foo(int);

  7000. EOF

  7001.     fi

  7002.     # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code

  7003.     # Issue has been fixed in MSVC v19.00.24218.

  7004.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||

  7005.         check_cflags -d2SSAOptimizer-

  7006.     # enable utf-8 source processing on VS2015 U2 and newer

  7007.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&

  7008.         add_cflags -utf-8

  7009. fi

  7010. 

  7011. for pfx in "" host_; do

  7012.     varname=${pfx%_}cc_type

  7013.     eval "type=\$$varname"

  7014.     if [ "$type" = "msvc" ]; then

  7015.         test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  7016. static inline int foo(int a) { return a; }

  7017. EOF

  7018.     fi

  7019. done

  7020. 

  7021. case $as_type in

  7022.     clang)

  7023.         add_asflags -Qunused-arguments

  7024.     ;;

  7025. esac

  7026. 

  7027. case $ld_type in

  7028.     clang)

  7029.         check_ldflags -Qunused-arguments

  7030.     ;;

  7031. esac

  7032. 

  7033. enable frame_thread_encoder

  7034. 

  7035. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  7036. 

  7037. check_deps $CONFIG_LIST       \

  7038.            $CONFIG_EXTRA      \

  7039.            $HAVE_LIST         \

  7040.            $ALL_COMPONENTS    \

  7041. 

  7042. 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"

  7043. enabled avresample && warn "Building with deprecated library libavresample"

  7044. 

  7045. case $target_os in

  7046. haiku)

  7047.     disable memalign

  7048.     disable posix_memalign

  7049.     ;;

  7050. *-dos|freedos|opendos)

  7051.     if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then

  7052.         disable memalign

  7053.     fi

  7054.     ;;

  7055. esac

  7056. 

  7057. flatten_extralibs(){

  7058.     nested_entries=

  7059.     list_name=$1

  7060.     eval list=\$${1}

  7061.     for entry in $list; do

  7062.         entry_copy=$entry

  7063.         resolve entry_copy

  7064.         flat_entries=

  7065.         for e in $entry_copy; do

  7066.             case $e in

  7067.                 *_extralibs) nested_entries="$nested_entries$e ";;

  7068.                           *) flat_entries="$flat_entries$e ";;

  7069.             esac

  7070.         done

  7071.         eval $entry="\$flat_entries"

  7072.     done

  7073.     append $list_name "$nested_entries"

  7074. 

  7075.     resolve nested_entries

  7076.     if test -n "$(filter '*_extralibs' $nested_entries)"; then

  7077.         flatten_extralibs $list_name

  7078.     fi

  7079. }

  7080. 

  7081. flatten_extralibs_wrapper(){

  7082.     list_name=$1

  7083.     flatten_extralibs $list_name

  7084.     unique $list_name

  7085.     resolve $list_name

  7086.     eval $list_name=\$\(\$ldflags_filter \$$list_name\)

  7087.     eval printf \''%s'\' \""\$$list_name"\"

  7088. }

  7089. 

  7090. for linkunit in $LIBRARY_LIST; do

  7091.     unset current_extralibs

  7092.     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST

  7093.     for comp in ${components}; do

  7094.         enabled $comp || continue

  7095.         comp_extralibs="${comp}_extralibs"

  7096.         append current_extralibs $comp_extralibs

  7097.     done

  7098.     eval prepend ${linkunit}_extralibs $current_extralibs

  7099. done

  7100. 

  7101. for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7102.     eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)

  7103. done

  7104. 

  7105. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  7106. 

  7107. for thread in $THREADS_LIST; do

  7108.     if enabled $thread; then

  7109.         test -n "$thread_type" &&

  7110.             die "ERROR: Only one thread type must be selected." ||

  7111.             thread_type="$thread"

  7112.     fi

  7113. done

  7114. 

  7115. if disabled stdatomic; then

  7116.     if enabled atomics_gcc; then

  7117.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'

  7118.     elif enabled atomics_win32; then

  7119.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'

  7120.     elif enabled atomics_suncc; then

  7121.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'

  7122.     elif enabled pthreads; then

  7123.         add_compat atomics/pthread/stdatomic.o

  7124.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'

  7125.     else

  7126.         enabled threads && die "Threading is enabled, but no atomics are available"

  7127.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'

  7128.     fi

  7129. fi

  7130. 

  7131. # Check if requested libraries were found.

  7132. for lib in $AUTODETECT_LIBS; do

  7133.     requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";

  7134. done

  7135. 

  7136. enabled zlib && add_cppflags -DZLIB_CONST

  7137. 

  7138. # conditional library dependencies, in any order

  7139. enabled afftdn_filter       && prepend avfilter_deps "avcodec"

  7140. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  7141. enabled afir_filter         && prepend avfilter_deps "avcodec"

  7142. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  7143. enabled aresample_filter    && prepend avfilter_deps "swresample"

  7144. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  7145. enabled bm3d_filter         && prepend avfilter_deps "avcodec"

  7146. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  7147. enabled convolve_filter     && prepend avfilter_deps "avcodec"

  7148. enabled deconvolve_filter   && prepend avfilter_deps "avcodec"

  7149. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  7150. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  7151. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  7152. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  7153. enabled firequalizer_filter && prepend avfilter_deps "avcodec"

  7154. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  7155. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  7156. enabled pan_filter          && prepend avfilter_deps "swresample"

  7157. enabled pp_filter           && prepend avfilter_deps "postproc"

  7158. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  7159. enabled resample_filter && prepend avfilter_deps "avresample"

  7160. enabled sab_filter          && prepend avfilter_deps "swscale"

  7161. enabled scale_filter    && prepend avfilter_deps "swscale"

  7162. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  7163. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  7164. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  7165. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  7166. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  7167. enabled signature_filter    && prepend avfilter_deps "avcodec avformat"

  7168. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  7169. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  7170. enabled spp_filter          && prepend avfilter_deps "avcodec"

  7171. enabled sr_filter           && prepend avfilter_deps "avformat swscale"

  7172. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  7173. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  7174. enabled zoompan_filter      && prepend avfilter_deps "swscale"

  7175. 

  7176. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  7177. 

  7178. #FIXME

  7179. enabled_any sdl2_outdev opengl_outdev && enabled sdl2 &&

  7180.     add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)

  7181. 

  7182. enabled opus_decoder    && prepend avcodec_deps "swresample"

  7183. 

  7184. # reorder the items at var $1 to align with the items order at var $2 .

  7185. # die if an item at $1 is not at $2 .

  7186. reorder_by(){

  7187.     eval rb_in=\$$1

  7188.     eval rb_ordered=\$$2

  7189. 

  7190.     for rb in $rb_in; do

  7191.         is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2"

  7192.     done

  7193. 

  7194.     rb_out=

  7195.     for rb in $rb_ordered; do

  7196.         is_in $rb $rb_in && rb_out="$rb_out$rb "

  7197.     done

  7198.     eval $1=\$rb_out

  7199. }

  7200. 

  7201. # deps-expand fflib $1:  N x {append all expanded deps; unique}

  7202. # within a set of N items, N expansions are enough to expose a cycle.

  7203. expand_deps(){

  7204.     unique ${1}_deps  # required for the early break test.

  7205.     for dummy in $LIBRARY_LIST; do  # N iteratios

  7206.         eval deps=\$${1}_deps

  7207.         append ${1}_deps $(map 'eval echo \$${v}_deps' $deps)

  7208.         unique ${1}_deps

  7209.         eval '[ ${#deps} = ${#'${1}_deps'} ]' && break  # doesn't expand anymore

  7210.     done

  7211. 

  7212.     eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps"

  7213.     reorder_by ${1}_deps LIBRARY_LIST  # linking order is expected later

  7214. }

  7215. 

  7216. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  7217. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  7218. 

  7219. map 'expand_deps $v' $LIBRARY_LIST

  7220. 

  7221. if test "$quiet" != "yes"; then

  7222. 

  7223. echo "install prefix            $prefix"

  7224. echo "source path               $source_path"

  7225. echo "C compiler                $cc"

  7226. echo "C library                 $libc_type"

  7227. if test "$host_cc" != "$cc"; then

  7228.     echo "host C compiler           $host_cc"

  7229.     echo "host C library            $host_libc_type"

  7230. fi

  7231. echo "ARCH                      $arch ($cpu)"

  7232. if test "$build_suffix" != ""; then

  7233.     echo "build suffix              $build_suffix"

  7234. fi

  7235. if test "$progs_suffix" != ""; then

  7236.     echo "progs suffix              $progs_suffix"

  7237. fi

  7238. if test "$extra_version" != ""; then

  7239.     echo "version string suffix     $extra_version"

  7240. fi

  7241. echo "big-endian                ${bigendian-no}"

  7242. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  7243. if enabled x86; then

  7244.     echo "standalone assembly       ${x86asm-no}"

  7245.     echo "x86 assembler             ${x86asmexe}"

  7246.     echo "MMX enabled               ${mmx-no}"

  7247.     echo "MMXEXT enabled            ${mmxext-no}"

  7248.     echo "3DNow! enabled            ${amd3dnow-no}"

  7249.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  7250.     echo "SSE enabled               ${sse-no}"

  7251.     echo "SSSE3 enabled             ${ssse3-no}"

  7252.     echo "AESNI enabled             ${aesni-no}"

  7253.     echo "AVX enabled               ${avx-no}"

  7254.     echo "AVX2 enabled              ${avx2-no}"

  7255.     echo "AVX-512 enabled           ${avx512-no}"

  7256.     echo "XOP enabled               ${xop-no}"

  7257.     echo "FMA3 enabled              ${fma3-no}"

  7258.     echo "FMA4 enabled              ${fma4-no}"

  7259.     echo "i686 features enabled     ${i686-no}"

  7260.     echo "CMOV is fast              ${fast_cmov-no}"

  7261.     echo "EBX available             ${ebx_available-no}"

  7262.     echo "EBP available             ${ebp_available-no}"

  7263. fi

  7264. if enabled aarch64; then

  7265.     echo "NEON enabled              ${neon-no}"

  7266.     echo "VFP enabled               ${vfp-no}"

  7267. fi

  7268. if enabled arm; then

  7269.     echo "ARMv5TE enabled           ${armv5te-no}"

  7270.     echo "ARMv6 enabled             ${armv6-no}"

  7271.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  7272.     echo "VFP enabled               ${vfp-no}"

  7273.     echo "NEON enabled              ${neon-no}"

  7274.     echo "THUMB enabled             ${thumb-no}"

  7275. fi

  7276. if enabled mips; then

  7277.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  7278.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  7279.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  7280.     echo "MIPS MSA enabled          ${msa-no}"

  7281.     echo "MIPS MSA2 enabled         ${msa2-no}"

  7282.     echo "LOONGSON MMI enabled      ${mmi-no}"

  7283. fi

  7284. if enabled ppc; then

  7285.     echo "AltiVec enabled           ${altivec-no}"

  7286.     echo "VSX enabled               ${vsx-no}"

  7287.     echo "POWER8 enabled            ${power8-no}"

  7288.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  7289.     echo "dcbzl available           ${dcbzl-no}"

  7290. fi

  7291. echo "debug symbols             ${debug-no}"

  7292. echo "strip symbols             ${stripping-no}"

  7293. echo "optimize for size         ${small-no}"

  7294. echo "optimizations             ${optimizations-no}"

  7295. echo "static                    ${static-no}"

  7296. echo "shared                    ${shared-no}"

  7297. echo "postprocessing support    ${postproc-no}"

  7298. echo "network support           ${network-no}"

  7299. echo "threading support         ${thread_type-no}"

  7300. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  7301. echo "texi2html enabled         ${texi2html-no}"

  7302. echo "perl enabled              ${perl-no}"

  7303. echo "pod2man enabled           ${pod2man-no}"

  7304. echo "makeinfo enabled          ${makeinfo-no}"

  7305. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  7306. test -n "$random_seed" &&

  7307.     echo "random seed               ${random_seed}"

  7308. echo

  7309. 

  7310. echo "External libraries:"

  7311. print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7312. echo

  7313. 

  7314. echo "External libraries providing hardware acceleration:"

  7315. print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7316. echo

  7317. 

  7318. echo "Libraries:"

  7319. print_enabled '' $LIBRARY_LIST | print_in_columns

  7320. echo

  7321. 

  7322. echo "Programs:"

  7323. print_enabled '' $PROGRAM_LIST | print_in_columns

  7324. echo

  7325. 

  7326. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  7327.     echo "Enabled ${type}s:"

  7328.     eval list=\$$(toupper $type)_LIST

  7329.     print_enabled '_*' $list | print_in_columns

  7330.     echo

  7331. done

  7332. 

  7333. if test -n "$ignore_tests"; then

  7334.     ignore_tests=$(echo $ignore_tests | tr ',' ' ')

  7335.     echo "Ignored FATE tests:"

  7336.     echo $ignore_tests | print_in_columns

  7337.     echo

  7338. fi

  7339. 

  7340. echo "License: $license"

  7341. 

  7342. fi # test "$quiet" != "yes"

  7343. 

  7344. if test -n "$WARN_IF_GETS_DISABLED_LIST"; then

  7345.     for cfg in $WARN_IF_GETS_DISABLED_LIST; do

  7346.         if disabled $cfg; then

  7347.             varname=${cfg}_disable_reason

  7348.             eval "warn \"Disabled $cfg because \$$varname\""

  7349.         fi

  7350.     done

  7351. fi

  7352. 

  7353. if test -n "$WARNINGS"; then

  7354.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  7355.     enabled fatal_warnings && exit 1

  7356. fi

  7357. 

  7358. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  7359. 

  7360. esc(){

  7361.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  7362. }

  7363. 

  7364. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate

  7365. 

  7366. enabled stripping || strip="echo skipping strip"

  7367. enabled stripping || striptype=""

  7368. 

  7369. config_files="$TMPH ffbuild/config.mak doc/config.texi"

  7370. 

  7371. cat > ffbuild/config.mak <<EOF

  7372. # Automatically generated by configure - do not modify!

  7373. ifndef FFMPEG_CONFIG_MAK

  7374. FFMPEG_CONFIG_MAK=1

  7375. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  7376. prefix=$prefix

  7377. LIBDIR=\$(DESTDIR)$libdir

  7378. SHLIBDIR=\$(DESTDIR)$shlibdir

  7379. INCDIR=\$(DESTDIR)$incdir

  7380. BINDIR=\$(DESTDIR)$bindir

  7381. DATADIR=\$(DESTDIR)$datadir

  7382. DOCDIR=\$(DESTDIR)$docdir

  7383. MANDIR=\$(DESTDIR)$mandir

  7384. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  7385. INSTALL_NAME_DIR=$install_name_dir

  7386. SRC_PATH=$source_path

  7387. SRC_LINK=$source_link

  7388. ifndef MAIN_MAKEFILE

  7389. SRC_PATH:=\$(SRC_PATH:.%=..%)

  7390. endif

  7391. CC_IDENT=$cc_ident

  7392. ARCH=$arch

  7393. INTRINSICS=$intrinsics

  7394. EXTERN_PREFIX=$extern_prefix

  7395. CC=$cc

  7396. CXX=$cxx

  7397. AS=$as

  7398. OBJCC=$objcc

  7399. LD=$ld

  7400. DEPCC=$dep_cc

  7401. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  7402. DEPAS=$as

  7403. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  7404. X86ASM=$x86asmexe

  7405. DEPX86ASM=$x86asmexe

  7406. DEPX86ASMFLAGS=\$(X86ASMFLAGS)

  7407. AR=$ar

  7408. ARFLAGS=$arflags

  7409. AR_O=$ar_o

  7410. AR_CMD=$ar

  7411. NM_CMD=$nm

  7412. RANLIB=$ranlib

  7413. STRIP=$strip

  7414. STRIPTYPE=$striptype

  7415. NVCC=$nvcc

  7416. CP=cp -p

  7417. LN_S=$ln_s

  7418. CPPFLAGS=$CPPFLAGS

  7419. CFLAGS=$CFLAGS

  7420. CXXFLAGS=$CXXFLAGS

  7421. OBJCFLAGS=$OBJCFLAGS

  7422. ASFLAGS=$ASFLAGS

  7423. NVCCFLAGS=$nvccflags

  7424. AS_C=$AS_C

  7425. AS_O=$AS_O

  7426. OBJCC_C=$OBJCC_C

  7427. OBJCC_E=$OBJCC_E

  7428. OBJCC_O=$OBJCC_O

  7429. CC_C=$CC_C

  7430. CC_E=$CC_E

  7431. CC_O=$CC_O

  7432. CXX_C=$CXX_C

  7433. CXX_O=$CXX_O

  7434. NVCC_C=$NVCC_C

  7435. NVCC_O=$NVCC_O

  7436. LD_O=$LD_O

  7437. X86ASM_O=$X86ASM_O

  7438. LD_LIB=$LD_LIB

  7439. LD_PATH=$LD_PATH

  7440. DLLTOOL=$dlltool

  7441. WINDRES=$windres

  7442. DEPWINDRES=$dep_cc

  7443. DOXYGEN=$doxygen

  7444. LDFLAGS=$LDFLAGS

  7445. LDEXEFLAGS=$LDEXEFLAGS

  7446. LDSOFLAGS=$LDSOFLAGS

  7447. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  7448. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  7449. X86ASMFLAGS=$X86ASMFLAGS

  7450. BUILDSUF=$build_suffix

  7451. PROGSSUF=$progs_suffix

  7452. FULLNAME=$FULLNAME

  7453. LIBPREF=$LIBPREF

  7454. LIBSUF=$LIBSUF

  7455. LIBNAME=$LIBNAME

  7456. SLIBPREF=$SLIBPREF

  7457. SLIBSUF=$SLIBSUF

  7458. EXESUF=$EXESUF

  7459. EXTRA_VERSION=$extra_version

  7460. CCDEP=$CCDEP

  7461. CXXDEP=$CXXDEP

  7462. CCDEP_FLAGS=$CCDEP_FLAGS

  7463. ASDEP=$ASDEP

  7464. ASDEP_FLAGS=$ASDEP_FLAGS

  7465. X86ASMDEP=$X86ASMDEP

  7466. X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS

  7467. CC_DEPFLAGS=$CC_DEPFLAGS

  7468. AS_DEPFLAGS=$AS_DEPFLAGS

  7469. X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS

  7470. HOSTCC=$host_cc

  7471. HOSTLD=$host_ld

  7472. HOSTCFLAGS=$host_cflags

  7473. HOSTCPPFLAGS=$host_cppflags

  7474. HOSTEXESUF=$HOSTEXESUF

  7475. HOSTLDFLAGS=$host_ldflags

  7476. HOSTEXTRALIBS=$host_extralibs

  7477. DEPHOSTCC=$host_cc

  7478. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  7479. HOSTCCDEP=$HOSTCCDEP

  7480. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  7481. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  7482. HOSTCC_C=$HOSTCC_C

  7483. HOSTCC_O=$HOSTCC_O

  7484. HOSTLD_O=$HOSTLD_O

  7485. TARGET_EXEC=$target_exec $target_exec_args

  7486. TARGET_PATH=$target_path

  7487. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  7488. CFLAGS-ffplay=${sdl2_cflags}

  7489. CFLAGS_HEADERS=$CFLAGS_HEADERS

  7490. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  7491. EXTRALIBS=$extralibs

  7492. COMPAT_OBJS=$compat_objs

  7493. INSTALL=$install

  7494. LIBTARGET=${LIBTARGET}

  7495. SLIBNAME=${SLIBNAME}

  7496. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  7497. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  7498. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  7499. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  7500. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  7501. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  7502. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  7503. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  7504. VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}

  7505. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  7506. NOREDZONE_FLAGS=$noredzone_flags

  7507. LIBFUZZER_PATH=$libfuzzer_path

  7508. IGNORE_TESTS=$ignore_tests

  7509. EOF

  7510. 

  7511. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST

  7512. 

  7513. for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7514.     eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak

  7515. done

  7516. 

  7517. cat > $TMPH <<EOF

  7518. /* Automatically generated by configure - do not modify! */

  7519. #ifndef FFMPEG_CONFIG_H

  7520. #define FFMPEG_CONFIG_H

  7521. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  7522. #define FFMPEG_LICENSE "$(c_escape $license)"

  7523. #define CONFIG_THIS_YEAR 2020

  7524. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  7525. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  7526. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  7527. #define av_restrict $restrict_keyword

  7528. #define EXTERN_PREFIX "${extern_prefix}"

  7529. #define EXTERN_ASM ${extern_prefix}

  7530. #define BUILDSUF "$build_suffix"

  7531. #define SLIBSUF "$SLIBSUF"

  7532. #define HAVE_MMX2 HAVE_MMXEXT

  7533. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  7534. EOF

  7535. 

  7536. test -n "$assert_level" &&

  7537.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  7538. 

  7539. test -n "$malloc_prefix" &&

  7540.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  7541. 

  7542. if enabled x86asm; then

  7543.     append config_files $TMPASM

  7544.     cat > $TMPASM <<EOF

  7545. ; Automatically generated by configure - do not modify!

  7546. EOF

  7547. fi

  7548. 

  7549. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  7550. 

  7551. 

  7552. mkdir -p doc

  7553. mkdir -p tests

  7554. mkdir -p tests/api

  7555. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  7556. 

  7557. print_config ARCH_   "$config_files" $ARCH_LIST

  7558. print_config HAVE_   "$config_files" $HAVE_LIST

  7559. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  7560.                                      $CONFIG_EXTRA      \

  7561.                                      $ALL_COMPONENTS    \

  7562. 

  7563. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  7564. echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak

  7565. 

  7566. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  7567. cp_if_changed $TMPH config.h

  7568. touch ffbuild/.config

  7569. 

  7570. enabled x86asm && cp_if_changed $TMPASM config.asm

  7571. 

  7572. cat > $TMPH <<EOF

  7573. /* Generated by ffmpeg configure */

  7574. #ifndef AVUTIL_AVCONFIG_H

  7575. #define AVUTIL_AVCONFIG_H

  7576. EOF

  7577. 

  7578. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  7579. 

  7580. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  7581. 

  7582. cp_if_changed $TMPH libavutil/avconfig.h

  7583. 

  7584. # full_filter_name_foo=vf_foo

  7585. # full_filter_name_bar=asrc_bar

  7586. # ...

  7587. eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"

  7588. 

  7589. # generate the lists of enabled components

  7590. print_enabled_components(){

  7591.     file=$1

  7592.     struct_name=$2

  7593.     name=$3

  7594.     shift 3

  7595.     echo "static const $struct_name * const $name[] = {" > $TMPH

  7596.     for c in $*; do

  7597.         if enabled $c; then

  7598.             case $name in

  7599.                 filter_list)

  7600.                     eval c=\$full_filter_name_${c%_filter}

  7601.                 ;;

  7602.                 indev_list)

  7603.                     c=${c%_indev}_demuxer

  7604.                 ;;

  7605.                 outdev_list)

  7606.                     c=${c%_outdev}_muxer

  7607.                 ;;

  7608.             esac

  7609.             printf "    &ff_%s,\n" $c >> $TMPH

  7610.         fi

  7611.     done

  7612.     if [ "$name" = "filter_list" ]; then

  7613.         for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do

  7614.             printf "    &ff_%s,\n" $c >> $TMPH

  7615.         done

  7616.     fi

  7617.     echo "    NULL };" >> $TMPH

  7618.     cp_if_changed $TMPH $file

  7619. }

  7620. 

  7621. print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST

  7622. print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST

  7623. print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST

  7624. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  7625. print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST

  7626. print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST

  7627. print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST

  7628. print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST

  7629. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  7630. 

  7631. # Settings for pkg-config files

  7632. 

  7633. cat > $TMPH <<EOF

  7634. # Automatically generated by configure - do not modify!

  7635. shared=$shared

  7636. build_suffix=$build_suffix

  7637. prefix=$prefix

  7638. libdir=$libdir

  7639. incdir=$incdir

  7640. rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")

  7641. source_path=${source_path}

  7642. LIBPREF=${LIBPREF}

  7643. LIBSUF=${LIBSUF}

  7644. extralibs_avutil="$avutil_extralibs"

  7645. extralibs_avcodec="$avcodec_extralibs"

  7646. extralibs_avformat="$avformat_extralibs"

  7647. extralibs_avdevice="$avdevice_extralibs"

  7648. extralibs_avfilter="$avfilter_extralibs"

  7649. extralibs_avresample="$avresample_extralibs"

  7650. extralibs_postproc="$postproc_extralibs"

  7651. extralibs_swscale="$swscale_extralibs"

  7652. extralibs_swresample="$swresample_extralibs"

  7653. EOF

  7654. 

  7655. for lib in $LIBRARY_LIST; do

  7656.     lib_deps="$(eval echo \$${lib}_deps)"

  7657.     echo ${lib}_deps=\"$lib_deps\" >> $TMPH

  7658. done

  7659. 

  7660. cp_if_changed $TMPH ffbuild/config.sh