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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 or libtls 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-libass          enable libass subtitles rendering,

  222.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

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

  230.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  265.                            if openssl or gnutls is not used [no]

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

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

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

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

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

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

  272.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

  285.   --enable-libxml2         enable XML parsing using the C library libxml2 [no]

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

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

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

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

  290.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

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

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

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

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

  299.                            if gnutls or libtls is not used [no]

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

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

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

  303.   --disable-sdl2           disable sdl2 [autodetect]

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

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

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

  307.   --disable-xlib           disable xlib [autodetect]

  308.   --disable-zlib           disable zlib [autodetect]

  309. 

  310.   The following libraries provide various hardware acceleration features:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  331. 

  332. Toolchain options:

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

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

  335.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

  348.                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,

  349.                            valgrind-massif, valgrind-memcheck,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  373.   --host-libs=HLIBS        use libs HLIBS when linking for host

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  390. 

  391. Advanced options (experts only):

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

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

  394.   --disable-symver         disable symbol versioning

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

  396.   --disable-safe-bitstream-reader

  397.                            disable buffer boundary checking in bitreaders

  398.                            (faster, but may crash)

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

  400. 

  401. Optimization options (experts only):

  402.   --disable-asm            disable all assembly optimizations

  403.   --disable-altivec        disable AltiVec optimizations

  404.   --disable-vsx            disable VSX optimizations

  405.   --disable-power8         disable POWER8 optimizations

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

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

  408.   --disable-mmx            disable MMX optimizations

  409.   --disable-mmxext         disable MMXEXT optimizations

  410.   --disable-sse            disable SSE optimizations

  411.   --disable-sse2           disable SSE2 optimizations

  412.   --disable-sse3           disable SSE3 optimizations

  413.   --disable-ssse3          disable SSSE3 optimizations

  414.   --disable-sse4           disable SSE4 optimizations

  415.   --disable-sse42          disable SSE4.2 optimizations

  416.   --disable-avx            disable AVX optimizations

  417.   --disable-xop            disable XOP optimizations

  418.   --disable-fma3           disable FMA3 optimizations

  419.   --disable-fma4           disable FMA4 optimizations

  420.   --disable-avx2           disable AVX2 optimizations

  421.   --disable-avx512         disable AVX-512 optimizations

  422.   --disable-aesni          disable AESNI optimizations

  423.   --disable-armv5te        disable armv5te optimizations

  424.   --disable-armv6          disable armv6 optimizations

  425.   --disable-armv6t2        disable armv6t2 optimizations

  426.   --disable-vfp            disable VFP optimizations

  427.   --disable-neon           disable NEON optimizations

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

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

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

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

  432.   --disable-msa            disable MSA optimizations

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

  434.   --disable-mmi            disable Loongson SIMD optimizations

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

  436. 

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

  438.   --disable-debug          disable debugging symbols

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

  440.   --disable-optimizations  disable compiler optimizations

  441.   --enable-extra-warnings  enable more compiler warnings

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

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

  444.                            2 causes a slowdown at runtime.

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

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

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

  448.                            Cannot be combined with --target-exec

  449.   --enable-ftrapv          Trap arithmetic overflows

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

  451.                            \$FATE_SAMPLES at make invocation time.

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

  453.                            used only for debugging purposes)

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

  455.                            should be used only for debugging purposes)

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

  457.   --disable-random

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

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

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

  461.                            (group) and PROB the probability associated with

  462.                            NAME (default 0.5).

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

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

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

  466.   --enable-osfuzz          Enable building fuzzer tool

  467.   --libfuzzer=PATH         path to libfuzzer

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

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

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

  471. 

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

  473. EOF

  474.   exit 0

  475. }

  476. 

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

  478.     ncolors=$(tput colors)

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

  480.         bold_color=$(tput bold)

  481.         warn_color=$(tput setaf 3)

  482.         error_color=$(tput setaf 1)

  483.         reset_color=$(tput sgr0)

  484.     fi

  485.     # 72 used instead of 80 since that's the default of pr

  486.     ncols=$(tput cols)

  487. fi

  488. : ${ncols:=72}

  489. 

  490. log(){

  491.     echo "$@" >> $logfile

  492. }

  493. 

  494. log_file(){

  495.     log BEGIN $1

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

  497.     log END $1

  498. }

  499. 

  500. warn(){

  501.     log "WARNING: $*"

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

  503. }

  504. 

  505. die(){

  506.     log "$@"

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

  508.     cat <<EOF

  509. 

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

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

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

  513. EOF

  514.     if disabled logging; then

  515.         cat <<EOF

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

  517. include the log this produces with your report.

  518. EOF

  519.     else

  520.         cat <<EOF

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

  522. solve the problem.

  523. EOF

  524.     fi

  525.     exit 1

  526. }

  527. 

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

  529. toupper(){

  530.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  531. }

  532. 

  533. tolower(){

  534.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  535. }

  536. 

  537. c_escape(){

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

  539. }

  540. 

  541. sh_quote(){

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

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

  544.     echo "$v"

  545. }

  546. 

  547. cleanws(){

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

  549. }

  550. 

  551. filter(){

  552.     pat=$1

  553.     shift

  554.     for v; do

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

  556.     done

  557. }

  558. 

  559. filter_out(){

  560.     pat=$1

  561.     shift

  562.     for v; do

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

  564.     done

  565. }

  566. 

  567. map(){

  568.     m=$1

  569.     shift

  570.     for v; do eval $m; done

  571. }

  572. 

  573. add_suffix(){

  574.     suffix=$1

  575.     shift

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

  577. }

  578. 

  579. remove_suffix(){

  580.     suffix=$1

  581.     shift

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

  583. }

  584. 

  585. set_all(){

  586.     value=$1

  587.     shift

  588.     for var in $*; do

  589.         eval $var=$value

  590.     done

  591. }

  592. 

  593. set_weak(){

  594.     value=$1

  595.     shift

  596.     for var; do

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

  598.     done

  599. }

  600. 

  601. sanitize_var_name(){

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

  603. }

  604. 

  605. set_sanitized(){

  606.     var=$1

  607.     shift

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

  609. }

  610. 

  611. get_sanitized(){

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

  613. }

  614. 

  615. pushvar(){

  616.     for pvar in $*; do

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

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

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

  620.     done

  621. }

  622. 

  623. popvar(){

  624.     for pvar in $*; do

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

  626.         test $level = 0 && continue

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

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

  629.         eval ${pvar}_level=$level

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

  631.     done

  632. }

  633. 

  634. request(){

  635.     for var in $*; do

  636.         eval ${var}_requested=yes

  637.         eval $var=

  638.     done

  639. }

  640. 

  641. enable(){

  642.     set_all yes $*

  643. }

  644. 

  645. disable(){

  646.     set_all no $*

  647. }

  648. 

  649. enable_weak(){

  650.     set_weak yes $*

  651. }

  652. 

  653. disable_weak(){

  654.     set_weak no $*

  655. }

  656. 

  657. enable_sanitized(){

  658.     for var; do

  659.         enable $(sanitize_var_name $var)

  660.     done

  661. }

  662. 

  663. disable_sanitized(){

  664.     for var; do

  665.         disable $(sanitize_var_name $var)

  666.     done

  667. }

  668. 

  669. do_enable_deep(){

  670.     for var; do

  671.         enabled $var && continue

  672.         eval sel="\$${var}_select"

  673.         eval sgs="\$${var}_suggest"

  674.         pushvar var sgs

  675.         enable_deep $sel

  676.         popvar sgs

  677.         enable_deep_weak $sgs

  678.         popvar var

  679.     done

  680. }

  681. 

  682. enable_deep(){

  683.     do_enable_deep $*

  684.     enable $*

  685. }

  686. 

  687. enable_deep_weak(){

  688.     for var; do

  689.         disabled $var && continue

  690.         pushvar var

  691.         do_enable_deep $var

  692.         popvar var

  693.         enable_weak $var

  694.     done

  695. }

  696. 

  697. requested(){

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

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

  700. }

  701. 

  702. enabled(){

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

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

  705. }

  706. 

  707. disabled(){

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

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

  710. }

  711. 

  712. enabled_all(){

  713.     for opt; do

  714.         enabled $opt || return 1

  715.     done

  716. }

  717. 

  718. disabled_all(){

  719.     for opt; do

  720.         disabled $opt || return 1

  721.     done

  722. }

  723. 

  724. enabled_any(){

  725.     for opt; do

  726.         enabled $opt && return 0

  727.     done

  728. }

  729. 

  730. disabled_any(){

  731.     for opt; do

  732.         disabled $opt && return 0

  733.     done

  734.     return 1

  735. }

  736. 

  737. set_default(){

  738.     for opt; do

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

  740.     done

  741. }

  742. 

  743. is_in(){

  744.     value=$1

  745.     shift

  746.     for var in $*; do

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

  748.     done

  749.     return 1

  750. }

  751. 

  752. check_deps(){

  753.     for cfg; do

  754.         enabled ${cfg}_checking && die "Circular dependency for $cfg."

  755.         disabled ${cfg}_checking && continue

  756.         enable ${cfg}_checking

  757. 

  758.         eval dep_all="\$${cfg}_deps"

  759.         eval dep_any="\$${cfg}_deps_any"

  760.         eval dep_con="\$${cfg}_conflict"

  761.         eval dep_sel="\$${cfg}_select"

  762.         eval dep_sgs="\$${cfg}_suggest"

  763.         eval dep_ifa="\$${cfg}_if"

  764.         eval dep_ifn="\$${cfg}_if_any"

  765. 

  766.         pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn

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

  768.         popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn

  769. 

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

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

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

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

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

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

  776. 

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

  778. 

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

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

  781.             is_in $dep $LIBRARY_LIST && continue

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

  783.         done

  784. 

  785.         disable ${cfg}_checking

  786.     done

  787. }

  788. 

  789. print_config(){

  790.     pfx=$1

  791.     files=$2

  792.     shift 2

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

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

  795.         {

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

  797.             v = \$2;

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

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

  800.             for (f in files) {

  801.                 file = files[f];

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

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

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

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

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

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

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

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

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

  811.                     yesno = \$2;

  812.                     c2 = tolower(c);

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

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

  815.                 }

  816.             }

  817.         }"

  818. }

  819. 

  820. print_enabled(){

  821.     suf=$1

  822.     shift

  823.     for v; do

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

  825.     done

  826. }

  827. 

  828. append(){

  829.     var=$1

  830.     shift

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

  832. }

  833. 

  834. prepend(){

  835.     var=$1

  836.     shift

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

  838. }

  839. 

  840. unique(){

  841.     var=$1

  842.     uniq_list=""

  843.     for tok in $(eval echo \$$var); do

  844.         uniq_list="$(filter_out $tok $uniq_list) $tok"

  845.     done

  846.     eval "$var=\"${uniq_list}\""

  847. }

  848. 

  849. resolve(){

  850.     var=$1

  851.     tmpvar=

  852.     for entry in $(eval echo \$$var); do

  853.         tmpvar="$tmpvar $(eval echo \$${entry})"

  854.     done

  855.     eval "$var=\"${tmpvar}\""

  856. }

  857. 

  858. add_cppflags(){

  859.     append CPPFLAGS "$@"

  860. }

  861. 

  862. add_cflags(){

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

  864. }

  865. 

  866. add_cflags_headers(){

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

  868. }

  869. 

  870. add_cxxflags(){

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

  872. }

  873. 

  874. add_asflags(){

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

  876. }

  877. 

  878. add_objcflags(){

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

  880. }

  881. 

  882. add_ldflags(){

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

  884. }

  885. 

  886. add_ldexeflags(){

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

  888. }

  889. 

  890. add_ldsoflags(){

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

  892. }

  893. 

  894. add_stripflags(){

  895.     append ASMSTRIPFLAGS "$@"

  896. }

  897. 

  898. add_extralibs(){

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

  900. }

  901. 

  902. add_host_cppflags(){

  903.     append host_cppflags "$@"

  904. }

  905. 

  906. add_host_cflags(){

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

  908. }

  909. 

  910. add_host_ldflags(){

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

  912. }

  913. 

  914. add_compat(){

  915.     append compat_objs $1

  916.     shift

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

  918. }

  919. 

  920. test_cmd(){

  921.     log "$@"

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

  923. }

  924. 

  925. test_stat(){

  926.     log test_stat "$@"

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

  928. }

  929. 

  930. cc_o(){

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

  932. }

  933. 

  934. cc_e(){

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

  936. }

  937. 

  938. test_cc(){

  939.     log test_cc "$@"

  940.     cat > $TMPC

  941.     log_file $TMPC

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

  943. }

  944. 

  945. test_cxx(){

  946.     log test_cxx "$@"

  947.     cat > $TMPCPP

  948.     log_file $TMPCPP

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

  950. }

  951. 

  952. test_objcc(){

  953.     log test_objcc "$@"

  954.     cat > $TMPM

  955.     log_file $TMPM

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

  957. }

  958. 

  959. test_cpp(){

  960.     log test_cpp "$@"

  961.     cat > $TMPC

  962.     log_file $TMPC

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

  964. }

  965. 

  966. as_o(){

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

  968. }

  969. 

  970. test_as(){

  971.     log test_as "$@"

  972.     cat > $TMPS

  973.     log_file $TMPS

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

  975. }

  976. 

  977. x86asm_o(){

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

  979. }

  980. 

  981. test_x86asm(){

  982.     log test_x86asm "$@"

  983.     echo "$1" > $TMPASM

  984.     log_file $TMPASM

  985.     shift

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

  987. }

  988. 

  989. check_cmd(){

  990.     log check_cmd "$@"

  991.     cmd=$1

  992.     disabled $cmd && return

  993.     disable $cmd

  994.     test_cmd $@ && enable $cmd

  995. }

  996. 

  997. check_as(){

  998.     log check_as "$@"

  999.     name=$1

  1000.     code=$2

  1001.     shift 2

  1002.     disable $name

  1003.     test_as $@ <<EOF && enable $name

  1004. $code

  1005. EOF

  1006. }

  1007. 

  1008. check_inline_asm(){

  1009.     log check_inline_asm "$@"

  1010.     name="$1"

  1011.     code="$2"

  1012.     shift 2

  1013.     disable $name

  1014.     test_cc "$@" <<EOF && enable $name

  1015. void foo(void){ __asm__ volatile($code); }

  1016. EOF

  1017. }

  1018. 

  1019. check_inline_asm_flags(){

  1020.     log check_inline_asm_flags "$@"

  1021.     name="$1"

  1022.     code="$2"

  1023.     flags=''

  1024.     shift 2

  1025.     while [ "$1" != "" ]; do

  1026.       append flags $1

  1027.       shift

  1028.     done;

  1029.     disable $name

  1030.     cat > $TMPC <<EOF

  1031. void foo(void){ __asm__ volatile($code); }

  1032. EOF

  1033.     log_file $TMPC

  1034.     test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&

  1035.     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags

  1036. }

  1037. 

  1038. check_insn(){

  1039.     log check_insn "$@"

  1040.     check_inline_asm ${1}_inline "$2"

  1041.     check_as ${1}_external "$2"

  1042. }

  1043. 

  1044. check_x86asm(){

  1045.     log check_x86asm "$@"

  1046.     name=$1

  1047.     shift

  1048.     disable $name

  1049.     test_x86asm "$@" && enable $name

  1050. }

  1051. 

  1052. ld_o(){

  1053.     eval printf '%s\\n' $LD_O

  1054. }

  1055. 

  1056. test_ld(){

  1057.     log test_ld "$@"

  1058.     type=$1

  1059.     shift 1

  1060.     flags=$(filter_out '-l*|*.so' $@)

  1061.     libs=$(filter '-l*|*.so' $@)

  1062.     test_$type $($cflags_filter $flags) || return

  1063.     flags=$($ldflags_filter $flags)

  1064.     libs=$($ldflags_filter $libs)

  1065.     test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  1066. }

  1067. 

  1068. check_ld(){

  1069.     log check_ld "$@"

  1070.     type=$1

  1071.     name=$2

  1072.     shift 2

  1073.     disable $name

  1074.     test_ld $type $@ && enable $name

  1075. }

  1076. 

  1077. print_include(){

  1078.     hdr=$1

  1079.     test "${hdr%.h}" = "${hdr}" &&

  1080.         echo "#include $hdr"    ||

  1081.         echo "#include <$hdr>"

  1082. }

  1083. 

  1084. test_code(){

  1085.     log test_code "$@"

  1086.     check=$1

  1087.     headers=$2

  1088.     code=$3

  1089.     shift 3

  1090.     {

  1091.         for hdr in $headers; do

  1092.             print_include $hdr

  1093.         done

  1094.         echo "int main(void) { $code; return 0; }"

  1095.     } | test_$check "$@"

  1096. }

  1097. 

  1098. check_cppflags(){

  1099.     log check_cppflags "$@"

  1100.     test_cpp "$@" <<EOF && append CPPFLAGS "$@"

  1101. #include <stdlib.h>

  1102. EOF

  1103. }

  1104. 

  1105. test_cflags(){

  1106.     log test_cflags "$@"

  1107.     set -- $($cflags_filter "$@")

  1108.     test_cc "$@" <<EOF

  1109. int x;

  1110. EOF

  1111. }

  1112. 

  1113. check_cflags(){

  1114.     log check_cflags "$@"

  1115.     test_cflags "$@" && add_cflags "$@"

  1116. }

  1117. 

  1118. check_cxxflags(){

  1119.     log check_cxxflags "$@"

  1120.     set -- $($cflags_filter "$@")

  1121.     test_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1122. int x;

  1123. EOF

  1124. }

  1125. 

  1126. test_objcflags(){

  1127.     log test_objcflags "$@"

  1128.     set -- $($objcflags_filter "$@")

  1129.     test_objcc "$@" <<EOF

  1130. int x;

  1131. EOF

  1132. }

  1133. 

  1134. check_objcflags(){

  1135.     log check_objcflags "$@"

  1136.     test_objcflags "$@" && add_objcflags "$@"

  1137. }

  1138. 

  1139. test_ldflags(){

  1140.     log test_ldflags "$@"

  1141.     set -- $($ldflags_filter "$@")

  1142.     test_ld "cc" "$@" <<EOF

  1143. int main(void){ return 0; }

  1144. EOF

  1145. }

  1146. 

  1147. check_ldflags(){

  1148.     log check_ldflags "$@"

  1149.     test_ldflags "$@" && add_ldflags "$@"

  1150. }

  1151. 

  1152. test_stripflags(){

  1153.     log test_stripflags "$@"

  1154.     # call test_cc to get a fresh TMPO

  1155.     test_cc <<EOF

  1156. int main(void) { return 0; }

  1157. EOF

  1158.     test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1159. }

  1160. 

  1161. check_stripflags(){

  1162.     log check_stripflags "$@"

  1163.     test_stripflags "$@" && add_stripflags "$@"

  1164. }

  1165. 

  1166. check_header(){

  1167.     log check_header "$@"

  1168.     headers=$1

  1169.     shift

  1170.     disable_sanitized $headers

  1171.     {

  1172.         for hdr in $headers; do

  1173.             print_include $hdr

  1174.         done

  1175.         echo "int x;"

  1176.     } | test_cpp "$@" && enable_sanitized $headers

  1177. }

  1178. 

  1179. check_header_objcc(){

  1180.     log check_header_objcc "$@"

  1181.     rm -f -- "$TMPO"

  1182.     header=$1

  1183.     shift

  1184.     disable_sanitized $header

  1185.     {

  1186.        echo "#include <$header>"

  1187.        echo "int main(void) { return 0; }"

  1188.     } | test_objcc && test_stat "$TMPO" && enable_sanitized $header

  1189. }

  1190. 

  1191. check_apple_framework(){

  1192.     log check_apple_framework "$@"

  1193.     framework="$1"

  1194.     name="$(tolower $framework)"

  1195.     header="${framework}/${framework}.h"

  1196.     disable $name

  1197.     check_header_objcc $header &&

  1198.         enable $name && eval ${name}_extralibs='"-framework $framework"'

  1199. }

  1200. 

  1201. check_func(){

  1202.     log check_func "$@"

  1203.     func=$1

  1204.     shift

  1205.     disable $func

  1206.     test_ld "cc" "$@" <<EOF && enable $func

  1207. extern int $func();

  1208. int main(void){ $func(); }

  1209. EOF

  1210. }

  1211. 

  1212. check_complexfunc(){

  1213.     log check_complexfunc "$@"

  1214.     func=$1

  1215.     narg=$2

  1216.     shift 2

  1217.     test $narg = 2 && args="f, g" || args="f * I"

  1218.     disable $func

  1219.     test_ld "cc" "$@" <<EOF && enable $func

  1220. #include <complex.h>

  1221. #include <math.h>

  1222. float foo(complex float f, complex float g) { return $func($args); }

  1223. int main(void){ return (int) foo; }

  1224. EOF

  1225. }

  1226. 

  1227. check_mathfunc(){

  1228.     log check_mathfunc "$@"

  1229.     func=$1

  1230.     narg=$2

  1231.     shift 2

  1232.     test $narg = 2 && args="f, g" || args="f"

  1233.     disable $func

  1234.     test_ld "cc" "$@" <<EOF && enable $func

  1235. #include <math.h>

  1236. float foo(float f, float g) { return $func($args); }

  1237. int main(void){ return (int) foo; }

  1238. EOF

  1239. }

  1240. 

  1241. check_func_headers(){

  1242.     log check_func_headers "$@"

  1243.     headers=$1

  1244.     funcs=$2

  1245.     shift 2

  1246.     {

  1247.         for hdr in $headers; do

  1248.             print_include $hdr

  1249.         done

  1250.         echo "#include <stdint.h>"

  1251.         for func in $funcs; do

  1252.             echo "long check_$func(void) { return (long) $func; }"

  1253.         done

  1254.         echo "int main(void) { int ret = 0;"

  1255.         # LTO could optimize out the test functions without this

  1256.         for func in $funcs; do

  1257.             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"

  1258.         done

  1259.         echo "return ret; }"

  1260.     } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers

  1261. }

  1262. 

  1263. check_class_headers_cpp(){

  1264.     log check_class_headers_cpp "$@"

  1265.     headers=$1

  1266.     classes=$2

  1267.     shift 2

  1268.     {

  1269.         for hdr in $headers; do

  1270.             echo "#include <$hdr>"

  1271.         done

  1272.         echo "int main(void) { "

  1273.         i=1

  1274.         for class in $classes; do

  1275.             echo "$class obj$i;"

  1276.             i=$(expr $i + 1)

  1277.         done

  1278.         echo "return 0; }"

  1279.     } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers

  1280. }

  1281. 

  1282. test_cpp_condition(){

  1283.     log test_cpp_condition "$@"

  1284.     header=$1

  1285.     condition=$2

  1286.     shift 2

  1287.     test_cpp "$@" <<EOF

  1288. #include <$header>

  1289. #if !($condition)

  1290. #error "unsatisfied condition: $condition"

  1291. #endif

  1292. EOF

  1293. }

  1294. 

  1295. check_cpp_condition(){

  1296.     log check_cpp_condition "$@"

  1297.     name=$1

  1298.     shift 1

  1299.     disable $name

  1300.     test_cpp_condition "$@" && enable $name

  1301. }

  1302. 

  1303. test_cflags_cc(){

  1304.     log test_cflags_cc "$@"

  1305.     flags=$1

  1306.     header=$2

  1307.     condition=$3

  1308.     shift 3

  1309.     set -- $($cflags_filter "$flags")

  1310.     test_cc "$@" <<EOF

  1311. #include <$header>

  1312. #if !($condition)

  1313. #error "unsatisfied condition: $condition"

  1314. #endif

  1315. EOF

  1316. }

  1317. 

  1318. check_lib(){

  1319.     log check_lib "$@"

  1320.     name="$1"

  1321.     headers="$2"

  1322.     funcs="$3"

  1323.     shift 3

  1324.     disable $name

  1325.     check_func_headers "$headers" "$funcs" "$@" &&

  1326.         enable $name && eval ${name}_extralibs="\$@"

  1327. }

  1328. 

  1329. check_lib_cpp(){

  1330.     log check_lib_cpp "$@"

  1331.     name="$1"

  1332.     headers="$2"

  1333.     classes="$3"

  1334.     shift 3

  1335.     disable $name

  1336.     check_class_headers_cpp "$headers" "$classes" "$@" &&

  1337.         enable $name && eval ${name}_extralibs="\$@"

  1338. }

  1339. 

  1340. test_pkg_config(){

  1341.     log test_pkg_config "$@"

  1342.     name="$1"

  1343.     pkg_version="$2"

  1344.     pkg="${2%% *}"

  1345.     headers="$3"

  1346.     funcs="$4"

  1347.     shift 4

  1348.     disable $name

  1349.     test_cmd $pkg_config --exists --print-errors $pkg_version || return

  1350.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1351.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1352.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1353.         enable $name &&

  1354.         set_sanitized "${name}_cflags"    $pkg_cflags &&

  1355.         set_sanitized "${name}_extralibs" $pkg_libs

  1356. }

  1357. 

  1358. check_pkg_config(){

  1359.     log check_pkg_config "$@"

  1360.     name="$1"

  1361.     test_pkg_config "$@" &&

  1362.         eval add_cflags \$${name}_cflags

  1363. }

  1364. 

  1365. test_exec(){

  1366.     test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1367. }

  1368. 

  1369. check_exec_crash(){

  1370.     log check_exec_crash "$@"

  1371.     code=$(cat)

  1372. 

  1373.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1374.     # are safe but may not be available everywhere.  Thus we use

  1375.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1376.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1377.     # is not defined by standard C so it is used conditionally.

  1378. 

  1379.     (test_exec "$@") >> $logfile 2>&1 <<EOF

  1380. #include <signal.h>

  1381. static void sighandler(int sig){

  1382.     raise(SIGTERM);

  1383. }

  1384. int foo(void){

  1385.     $code

  1386. }

  1387. int (*func_ptr)(void) = foo;

  1388. int main(void){

  1389.     signal(SIGILL, sighandler);

  1390.     signal(SIGFPE, sighandler);

  1391.     signal(SIGSEGV, sighandler);

  1392. #ifdef SIGBUS

  1393.     signal(SIGBUS, sighandler);

  1394. #endif

  1395.     return func_ptr();

  1396. }

  1397. EOF

  1398. }

  1399. 

  1400. check_type(){

  1401.     log check_type "$@"

  1402.     headers=$1

  1403.     type=$2

  1404.     shift 2

  1405.     disable_sanitized "$type"

  1406.     test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"

  1407. }

  1408. 

  1409. check_struct(){

  1410.     log check_struct "$@"

  1411.     headers=$1

  1412.     struct=$2

  1413.     member=$3

  1414.     shift 3

  1415.     disable_sanitized "${struct}_${member}"

  1416.     test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1417.         enable_sanitized "${struct}_${member}"

  1418. }

  1419. 

  1420. check_builtin(){

  1421.     log check_builtin "$@"

  1422.     name=$1

  1423.     headers=$2

  1424.     builtin=$3

  1425.     shift 3

  1426.     disable "$name"

  1427.     test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1428. }

  1429. 

  1430. check_compile_assert(){

  1431.     log check_compile_assert "$@"

  1432.     name=$1

  1433.     headers=$2

  1434.     condition=$3

  1435.     shift 3

  1436.     disable "$name"

  1437.     test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1438. }

  1439. 

  1440. check_cc(){

  1441.     log check_cc "$@"

  1442.     name=$1

  1443.     shift

  1444.     disable "$name"

  1445.     test_code cc "$@" && enable "$name"

  1446. }

  1447. 

  1448. require(){

  1449.     log require "$@"

  1450.     name_version="$1"

  1451.     name="${1%% *}"

  1452.     shift

  1453.     check_lib $name "$@" || die "ERROR: $name_version not found"

  1454. }

  1455. 

  1456. require_cc(){

  1457.     log require_cc "$@"

  1458.     name="$1"

  1459.     shift

  1460.     test_code cc "$@" || die "ERROR: $name failed"

  1461. }

  1462. 

  1463. require_cpp(){

  1464.     name="$1"

  1465.     headers="$2"

  1466.     classes="$3"

  1467.     shift 3

  1468.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1469. }

  1470. 

  1471. require_header(){

  1472.     log require_header "$@"

  1473.     headers="$1"

  1474.     check_header "$@" || die "ERROR: $headers not found"

  1475. }

  1476. 

  1477. require_cpp_condition(){

  1478.     log require_cpp_condition "$@"

  1479.     condition="$2"

  1480.     test_cpp_condition "$@" || die "ERROR: $condition not satisfied"

  1481. }

  1482. 

  1483. require_pkg_config(){

  1484.     log require_pkg_config "$@"

  1485.     pkg_version="$2"

  1486.     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"

  1487. }

  1488. 

  1489. hostcc_e(){

  1490.     eval printf '%s\\n' $HOSTCC_E

  1491. }

  1492. 

  1493. hostcc_o(){

  1494.     eval printf '%s\\n' $HOSTCC_O

  1495. }

  1496. 

  1497. test_host_cc(){

  1498.     log test_host_cc "$@"

  1499.     cat > $TMPC

  1500.     log_file $TMPC

  1501.     test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1502. }

  1503. 

  1504. test_host_cpp(){

  1505.     log test_host_cpp "$@"

  1506.     cat > $TMPC

  1507.     log_file $TMPC

  1508.     test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1509. }

  1510. 

  1511. check_host_cppflags(){

  1512.     log check_host_cppflags "$@"

  1513.     test_host_cpp "$@" <<EOF && append host_cppflags "$@"

  1514. #include <stdlib.h>

  1515. EOF

  1516. }

  1517. 

  1518. check_host_cflags(){

  1519.     log check_host_cflags "$@"

  1520.     set -- $($host_cflags_filter "$@")

  1521.     test_host_cc "$@" <<EOF && append host_cflags "$@"

  1522. int x;

  1523. EOF

  1524. }

  1525. 

  1526. test_host_cpp_condition(){

  1527.     log test_host_cpp_condition "$@"

  1528.     header=$1

  1529.     condition=$2

  1530.     shift 2

  1531.     test_host_cpp "$@" <<EOF

  1532. #include <$header>

  1533. #if !($condition)

  1534. #error "unsatisfied condition: $condition"

  1535. #endif

  1536. EOF

  1537. }

  1538. 

  1539. check_host_cpp_condition(){

  1540.     log check_host_cpp_condition "$@"

  1541.     name=$1

  1542.     shift 1

  1543.     disable $name

  1544.     test_host_cpp_condition "$@" && enable $name

  1545. }

  1546. 

  1547. cp_if_changed(){

  1548.     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return

  1549.     mkdir -p "$(dirname $2)"

  1550.     cp -f "$1" "$2"

  1551. }

  1552. 

  1553. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1554. # system-dependent things.

  1555. 

  1556. AVCODEC_COMPONENTS="

  1557.     bsfs

  1558.     decoders

  1559.     encoders

  1560.     hwaccels

  1561.     parsers

  1562. "

  1563. 

  1564. AVDEVICE_COMPONENTS="

  1565.     indevs

  1566.     outdevs

  1567. "

  1568. 

  1569. AVFILTER_COMPONENTS="

  1570.     filters

  1571. "

  1572. 

  1573. AVFORMAT_COMPONENTS="

  1574.     demuxers

  1575.     muxers

  1576.     protocols

  1577. "

  1578. 

  1579. COMPONENT_LIST="

  1580.     $AVCODEC_COMPONENTS

  1581.     $AVDEVICE_COMPONENTS

  1582.     $AVFILTER_COMPONENTS

  1583.     $AVFORMAT_COMPONENTS

  1584. "

  1585. 

  1586. EXAMPLE_LIST="

  1587.     avio_dir_cmd_example

  1588.     avio_reading_example

  1589.     decode_audio_example

  1590.     decode_video_example

  1591.     demuxing_decoding_example

  1592.     encode_audio_example

  1593.     encode_video_example

  1594.     extract_mvs_example

  1595.     filter_audio_example

  1596.     filtering_audio_example

  1597.     filtering_video_example

  1598.     http_multiclient_example

  1599.     hw_decode_example

  1600.     metadata_example

  1601.     muxing_example

  1602.     qsvdec_example

  1603.     remuxing_example

  1604.     resampling_audio_example

  1605.     scaling_video_example

  1606.     transcode_aac_example

  1607.     transcoding_example

  1608.     vaapi_encode_example

  1609.     vaapi_transcode_example

  1610. "

  1611. 

  1612. EXTERNAL_AUTODETECT_LIBRARY_LIST="

  1613.     alsa

  1614.     appkit

  1615.     avfoundation

  1616.     bzlib

  1617.     coreimage

  1618.     iconv

  1619.     libxcb

  1620.     libxcb_shm

  1621.     libxcb_shape

  1622.     libxcb_xfixes

  1623.     lzma

  1624.     schannel

  1625.     sdl2

  1626.     securetransport

  1627.     sndio

  1628.     xlib

  1629.     zlib

  1630. "

  1631. 

  1632. EXTERNAL_LIBRARY_GPL_LIST="

  1633.     avisynth

  1634.     frei0r

  1635.     libcdio

  1636.     librubberband

  1637.     libvidstab

  1638.     libx264

  1639.     libx265

  1640.     libxavs

  1641.     libxvid

  1642. "

  1643. 

  1644. EXTERNAL_LIBRARY_NONFREE_LIST="

  1645.     decklink

  1646.     libndi_newtek

  1647.     libfdk_aac

  1648.     openssl

  1649.     libtls

  1650. "

  1651. 

  1652. EXTERNAL_LIBRARY_VERSION3_LIST="

  1653.     gmp

  1654.     libopencore_amrnb

  1655.     libopencore_amrwb

  1656.     libvmaf

  1657.     libvo_amrwbenc

  1658.     rkmpp

  1659. "

  1660. 

  1661. EXTERNAL_LIBRARY_GPLV3_LIST="

  1662.     libsmbclient

  1663. "

  1664. 

  1665. EXTERNAL_LIBRARY_LIST="

  1666.     $EXTERNAL_LIBRARY_GPL_LIST

  1667.     $EXTERNAL_LIBRARY_NONFREE_LIST

  1668.     $EXTERNAL_LIBRARY_VERSION3_LIST

  1669.     $EXTERNAL_LIBRARY_GPLV3_LIST

  1670.     chromaprint

  1671.     gcrypt

  1672.     gnutls

  1673.     jni

  1674.     ladspa

  1675.     libaom

  1676.     libass

  1677.     libbluray

  1678.     libbs2b

  1679.     libcaca

  1680.     libcelt

  1681.     libcodec2

  1682.     libdc1394

  1683.     libdrm

  1684.     libflite

  1685.     libfontconfig

  1686.     libfreetype

  1687.     libfribidi

  1688.     libgme

  1689.     libgsm

  1690.     libiec61883

  1691.     libilbc

  1692.     libjack

  1693.     libkvazaar

  1694.     libmodplug

  1695.     libmp3lame

  1696.     libmysofa

  1697.     libopencv

  1698.     libopenh264

  1699.     libopenjpeg

  1700.     libopenmpt

  1701.     libopus

  1702.     libpulse

  1703.     librsvg

  1704.     librtmp

  1705.     libshine

  1706.     libsmbclient

  1707.     libsnappy

  1708.     libsoxr

  1709.     libspeex

  1710.     libsrt

  1711.     libssh

  1712.     libtesseract

  1713.     libtheora

  1714.     libtwolame

  1715.     libv4l2

  1716.     libvorbis

  1717.     libvpx

  1718.     libwavpack

  1719.     libwebp

  1720.     libxml2

  1721.     libzimg

  1722.     libzmq

  1723.     libzvbi

  1724.     lv2

  1725.     mediacodec

  1726.     openal

  1727.     opengl

  1728.     vapoursynth

  1729. "

  1730. 

  1731. HWACCEL_AUTODETECT_LIBRARY_LIST="

  1732.     amf

  1733.     audiotoolbox

  1734.     crystalhd

  1735.     cuda

  1736.     cuvid

  1737.     d3d11va

  1738.     dxva2

  1739.     ffnvcodec

  1740.     nvdec

  1741.     nvenc

  1742.     vaapi

  1743.     vdpau

  1744.     videotoolbox

  1745.     v4l2_m2m

  1746.     xvmc

  1747. "

  1748. 

  1749. # catchall list of things that require external libs to link

  1750. EXTRALIBS_LIST="

  1751.     cpu_init

  1752.     cws2fws

  1753. "

  1754. 

  1755. HWACCEL_LIBRARY_NONFREE_LIST="

  1756.     cuda_sdk

  1757.     libnpp

  1758. "

  1759. 

  1760. HWACCEL_LIBRARY_LIST="

  1761.     $HWACCEL_LIBRARY_NONFREE_LIST

  1762.     libmfx

  1763.     mmal

  1764.     omx

  1765.     opencl

  1766. "

  1767. 

  1768. DOCUMENT_LIST="

  1769.     doc

  1770.     htmlpages

  1771.     manpages

  1772.     podpages

  1773.     txtpages

  1774. "

  1775. 

  1776. FEATURE_LIST="

  1777.     ftrapv

  1778.     gray

  1779.     hardcoded_tables

  1780.     omx_rpi

  1781.     runtime_cpudetect

  1782.     safe_bitstream_reader

  1783.     shared

  1784.     small

  1785.     static

  1786.     swscale_alpha

  1787. "

  1788. 

  1789. LIBRARY_LIST="

  1790.     avcodec

  1791.     avdevice

  1792.     avfilter

  1793.     avformat

  1794.     avresample

  1795.     avutil

  1796.     postproc

  1797.     swresample

  1798.     swscale

  1799. "

  1800. 

  1801. LICENSE_LIST="

  1802.     gpl

  1803.     nonfree

  1804.     version3

  1805. "

  1806. 

  1807. PROGRAM_LIST="

  1808.     ffplay

  1809.     ffprobe

  1810.     ffmpeg

  1811. "

  1812. 

  1813. SUBSYSTEM_LIST="

  1814.     dct

  1815.     dwt

  1816.     error_resilience

  1817.     faan

  1818.     fast_unaligned

  1819.     fft

  1820.     lsp

  1821.     lzo

  1822.     mdct

  1823.     pixelutils

  1824.     network

  1825.     rdft

  1826. "

  1827. 

  1828. # COMPONENT_LIST needs to come last to ensure correct dependency checking

  1829. CONFIG_LIST="

  1830.     $DOCUMENT_LIST

  1831.     $EXAMPLE_LIST

  1832.     $EXTERNAL_LIBRARY_LIST

  1833.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1834.     $HWACCEL_LIBRARY_LIST

  1835.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1836.     $FEATURE_LIST

  1837.     $LICENSE_LIST

  1838.     $LIBRARY_LIST

  1839.     $PROGRAM_LIST

  1840.     $SUBSYSTEM_LIST

  1841.     autodetect

  1842.     fontconfig

  1843.     linux_perf

  1844.     memory_poisoning

  1845.     neon_clobber_test

  1846.     ossfuzz

  1847.     pic

  1848.     thumb

  1849.     valgrind_backtrace

  1850.     xmm_clobber_test

  1851.     $COMPONENT_LIST

  1852. "

  1853. 

  1854. THREADS_LIST="

  1855.     pthreads

  1856.     os2threads

  1857.     w32threads

  1858. "

  1859. 

  1860. ATOMICS_LIST="

  1861.     atomics_gcc

  1862.     atomics_suncc

  1863.     atomics_win32

  1864. "

  1865. 

  1866. AUTODETECT_LIBS="

  1867.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1868.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1869.     $THREADS_LIST

  1870. "

  1871. 

  1872. ARCH_LIST="

  1873.     aarch64

  1874.     alpha

  1875.     arm

  1876.     avr32

  1877.     avr32_ap

  1878.     avr32_uc

  1879.     bfin

  1880.     ia64

  1881.     m68k

  1882.     mips

  1883.     mips64

  1884.     parisc

  1885.     ppc

  1886.     ppc64

  1887.     s390

  1888.     sh4

  1889.     sparc

  1890.     sparc64

  1891.     tilegx

  1892.     tilepro

  1893.     tomi

  1894.     x86

  1895.     x86_32

  1896.     x86_64

  1897. "

  1898. 

  1899. ARCH_EXT_LIST_ARM="

  1900.     armv5te

  1901.     armv6

  1902.     armv6t2

  1903.     armv8

  1904.     neon

  1905.     vfp

  1906.     vfpv3

  1907.     setend

  1908. "

  1909. 

  1910. ARCH_EXT_LIST_MIPS="

  1911.     mipsfpu

  1912.     mips32r2

  1913.     mips32r5

  1914.     mips64r2

  1915.     mips32r6

  1916.     mips64r6

  1917.     mipsdsp

  1918.     mipsdspr2

  1919.     msa

  1920. "

  1921. 

  1922. ARCH_EXT_LIST_LOONGSON="

  1923.     loongson2

  1924.     loongson3

  1925.     mmi

  1926. "

  1927. 

  1928. ARCH_EXT_LIST_X86_SIMD="

  1929.     aesni

  1930.     amd3dnow

  1931.     amd3dnowext

  1932.     avx

  1933.     avx2

  1934.     avx512

  1935.     fma3

  1936.     fma4

  1937.     mmx

  1938.     mmxext

  1939.     sse

  1940.     sse2

  1941.     sse3

  1942.     sse4

  1943.     sse42

  1944.     ssse3

  1945.     xop

  1946. "

  1947. 

  1948. ARCH_EXT_LIST_PPC="

  1949.     altivec

  1950.     dcbzl

  1951.     ldbrx

  1952.     power8

  1953.     ppc4xx

  1954.     vsx

  1955. "

  1956. 

  1957. ARCH_EXT_LIST_X86="

  1958.     $ARCH_EXT_LIST_X86_SIMD

  1959.     cpunop

  1960.     i686

  1961. "

  1962. 

  1963. ARCH_EXT_LIST="

  1964.     $ARCH_EXT_LIST_ARM

  1965.     $ARCH_EXT_LIST_PPC

  1966.     $ARCH_EXT_LIST_X86

  1967.     $ARCH_EXT_LIST_MIPS

  1968.     $ARCH_EXT_LIST_LOONGSON

  1969. "

  1970. 

  1971. ARCH_FEATURES="

  1972.     aligned_stack

  1973.     fast_64bit

  1974.     fast_clz

  1975.     fast_cmov

  1976.     local_aligned

  1977.     simd_align_16

  1978.     simd_align_32

  1979.     simd_align_64

  1980. "

  1981. 

  1982. BUILTIN_LIST="

  1983.     atomic_cas_ptr

  1984.     machine_rw_barrier

  1985.     MemoryBarrier

  1986.     mm_empty

  1987.     rdtsc

  1988.     sem_timedwait

  1989.     sync_val_compare_and_swap

  1990. "

  1991. HAVE_LIST_CMDLINE="

  1992.     inline_asm

  1993.     symver

  1994.     x86asm

  1995. "

  1996. 

  1997. HAVE_LIST_PUB="

  1998.     bigendian

  1999.     fast_unaligned

  2000. "

  2001. 

  2002. HEADERS_LIST="

  2003.     arpa_inet_h

  2004.     asm_types_h

  2005.     cdio_paranoia_h

  2006.     cdio_paranoia_paranoia_h

  2007.     cuda_h

  2008.     dispatch_dispatch_h

  2009.     dev_bktr_ioctl_bt848_h

  2010.     dev_bktr_ioctl_meteor_h

  2011.     dev_ic_bt8xx_h

  2012.     dev_video_bktr_ioctl_bt848_h

  2013.     dev_video_meteor_ioctl_meteor_h

  2014.     direct_h

  2015.     dirent_h

  2016.     dxgidebug_h

  2017.     dxva_h

  2018.     ES2_gl_h

  2019.     gsm_h

  2020.     io_h

  2021.     linux_perf_event_h

  2022.     machine_ioctl_bt848_h

  2023.     machine_ioctl_meteor_h

  2024.     malloc_h

  2025.     opencv2_core_core_c_h

  2026.     OpenGL_gl3_h

  2027.     poll_h

  2028.     sys_param_h

  2029.     sys_resource_h

  2030.     sys_select_h

  2031.     sys_soundcard_h

  2032.     sys_time_h

  2033.     sys_un_h

  2034.     sys_videoio_h

  2035.     termios_h

  2036.     udplite_h

  2037.     unistd_h

  2038.     valgrind_valgrind_h

  2039.     windows_h

  2040.     winsock2_h

  2041. "

  2042. 

  2043. INTRINSICS_LIST="

  2044.     intrinsics_neon

  2045. "

  2046. 

  2047. COMPLEX_FUNCS="

  2048.     cabs

  2049.     cexp

  2050. "

  2051. 

  2052. MATH_FUNCS="

  2053.     atanf

  2054.     atan2f

  2055.     cbrt

  2056.     cbrtf

  2057.     copysign

  2058.     cosf

  2059.     erf

  2060.     exp2

  2061.     exp2f

  2062.     expf

  2063.     hypot

  2064.     isfinite

  2065.     isinf

  2066.     isnan

  2067.     ldexpf

  2068.     llrint

  2069.     llrintf

  2070.     log2

  2071.     log2f

  2072.     log10f

  2073.     lrint

  2074.     lrintf

  2075.     powf

  2076.     rint

  2077.     round

  2078.     roundf

  2079.     sinf

  2080.     trunc

  2081.     truncf

  2082. "

  2083. 

  2084. SYSTEM_FEATURES="

  2085.     dos_paths

  2086.     libc_msvcrt

  2087.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2088.     section_data_rel_ro

  2089.     threads

  2090.     uwp

  2091.     winrt

  2092. "

  2093. 

  2094. SYSTEM_FUNCS="

  2095.     access

  2096.     aligned_malloc

  2097.     arc4random

  2098.     clock_gettime

  2099.     closesocket

  2100.     CommandLineToArgvW

  2101.     fcntl

  2102.     getaddrinfo

  2103.     gethrtime

  2104.     getopt

  2105.     GetProcessAffinityMask

  2106.     GetProcessMemoryInfo

  2107.     GetProcessTimes

  2108.     getrusage

  2109.     GetSystemTimeAsFileTime

  2110.     gettimeofday

  2111.     glob

  2112.     glXGetProcAddress

  2113.     gmtime_r

  2114.     inet_aton

  2115.     isatty

  2116.     kbhit

  2117.     localtime_r

  2118.     lstat

  2119.     lzo1x_999_compress

  2120.     mach_absolute_time

  2121.     MapViewOfFile

  2122.     memalign

  2123.     mkstemp

  2124.     mmap

  2125.     mprotect

  2126.     nanosleep

  2127.     PeekNamedPipe

  2128.     posix_memalign

  2129.     pthread_cancel

  2130.     sched_getaffinity

  2131.     SecItemImport

  2132.     SetConsoleTextAttribute

  2133.     SetConsoleCtrlHandler

  2134.     setmode

  2135.     setrlimit

  2136.     Sleep

  2137.     strerror_r

  2138.     sysconf

  2139.     sysctl

  2140.     usleep

  2141.     UTGetOSTypeFromString

  2142.     VirtualAlloc

  2143.     wglGetProcAddress

  2144. "

  2145. 

  2146. SYSTEM_LIBRARIES="

  2147.     bcrypt

  2148.     vaapi_drm

  2149.     vaapi_x11

  2150.     vdpau_x11

  2151. "

  2152. 

  2153. TOOLCHAIN_FEATURES="

  2154.     as_arch_directive

  2155.     as_dn_directive

  2156.     as_fpu_directive

  2157.     as_func

  2158.     as_object_arch

  2159.     asm_mod_q

  2160.     blocks_extension

  2161.     ebp_available

  2162.     ebx_available

  2163.     gnu_as

  2164.     gnu_windres

  2165.     ibm_asm

  2166.     inline_asm_direct_symbol_refs

  2167.     inline_asm_labels

  2168.     inline_asm_nonlocal_labels

  2169.     pragma_deprecated

  2170.     rsync_contimeout

  2171.     symver_asm_label

  2172.     symver_gnu_asm

  2173.     vfp_args

  2174.     xform_asm

  2175.     xmm_clobbers

  2176. "

  2177. 

  2178. TYPES_LIST="

  2179.     kCMVideoCodecType_HEVC

  2180.     socklen_t

  2181.     struct_addrinfo

  2182.     struct_group_source_req

  2183.     struct_ip_mreq_source

  2184.     struct_ipv6_mreq

  2185.     struct_msghdr_msg_flags

  2186.     struct_pollfd

  2187.     struct_rusage_ru_maxrss

  2188.     struct_sctp_event_subscribe

  2189.     struct_sockaddr_in6

  2190.     struct_sockaddr_sa_len

  2191.     struct_sockaddr_storage

  2192.     struct_stat_st_mtim_tv_nsec

  2193.     struct_v4l2_frmivalenum_discrete

  2194. "

  2195. 

  2196. HAVE_LIST="

  2197.     $ARCH_EXT_LIST

  2198.     $(add_suffix _external $ARCH_EXT_LIST)

  2199.     $(add_suffix _inline   $ARCH_EXT_LIST)

  2200.     $ARCH_FEATURES

  2201.     $BUILTIN_LIST

  2202.     $COMPLEX_FUNCS

  2203.     $HAVE_LIST_CMDLINE

  2204.     $HAVE_LIST_PUB

  2205.     $HEADERS_LIST

  2206.     $INTRINSICS_LIST

  2207.     $MATH_FUNCS

  2208.     $SYSTEM_FEATURES

  2209.     $SYSTEM_FUNCS

  2210.     $SYSTEM_LIBRARIES

  2211.     $THREADS_LIST

  2212.     $TOOLCHAIN_FEATURES

  2213.     $TYPES_LIST

  2214.     makeinfo

  2215.     makeinfo_html

  2216.     opencl_d3d11

  2217.     opencl_drm_arm

  2218.     opencl_drm_beignet

  2219.     opencl_dxva2

  2220.     opencl_vaapi_beignet

  2221.     opencl_vaapi_intel_media

  2222.     perl

  2223.     pod2man

  2224.     texi2html

  2225. "

  2226. 

  2227. # options emitted with CONFIG_ prefix but not available on the command line

  2228. CONFIG_EXTRA="

  2229.     aandcttables

  2230.     ac3dsp

  2231.     adts_header

  2232.     audio_frame_queue

  2233.     audiodsp

  2234.     blockdsp

  2235.     bswapdsp

  2236.     cabac

  2237.     cbs

  2238.     cbs_h264

  2239.     cbs_h265

  2240.     cbs_mpeg2

  2241.     cbs_vp9

  2242.     dirac_parse

  2243.     dvprofile

  2244.     exif

  2245.     faandct

  2246.     faanidct

  2247.     fdctdsp

  2248.     flacdsp

  2249.     fmtconvert

  2250.     frame_thread_encoder

  2251.     g722dsp

  2252.     golomb

  2253.     gplv3

  2254.     h263dsp

  2255.     h264chroma

  2256.     h264dsp

  2257.     h264parse

  2258.     h264pred

  2259.     h264qpel

  2260.     hevcparse

  2261.     hpeldsp

  2262.     huffman

  2263.     huffyuvdsp

  2264.     huffyuvencdsp

  2265.     idctdsp

  2266.     iirfilter

  2267.     mdct15

  2268.     intrax8

  2269.     iso_media

  2270.     ividsp

  2271.     jpegtables

  2272.     lgplv3

  2273.     libx262

  2274.     llauddsp

  2275.     llviddsp

  2276.     llvidencdsp

  2277.     lpc

  2278.     lzf

  2279.     me_cmp

  2280.     mpeg_er

  2281.     mpegaudio

  2282.     mpegaudiodsp

  2283.     mpegaudioheader

  2284.     mpegvideo

  2285.     mpegvideoenc

  2286.     mss34dsp

  2287.     pixblockdsp

  2288.     qpeldsp

  2289.     qsv

  2290.     qsvdec

  2291.     qsvenc

  2292.     qsvvpp

  2293.     rangecoder

  2294.     riffdec

  2295.     riffenc

  2296.     rtpdec

  2297.     rtpenc_chain

  2298.     rv34dsp

  2299.     sinewin

  2300.     snappy

  2301.     srtp

  2302.     startcode

  2303.     texturedsp

  2304.     texturedspenc

  2305.     tpeldsp

  2306.     vaapi_1

  2307.     vaapi_encode

  2308.     vc1dsp

  2309.     videodsp

  2310.     vp3dsp

  2311.     vp56dsp

  2312.     vp8dsp

  2313.     wma_freqs

  2314.     wmv2dsp

  2315. "

  2316. 

  2317. CMDLINE_SELECT="

  2318.     $ARCH_EXT_LIST

  2319.     $CONFIG_LIST

  2320.     $HAVE_LIST_CMDLINE

  2321.     $THREADS_LIST

  2322.     asm

  2323.     cross_compile

  2324.     debug

  2325.     extra_warnings

  2326.     logging

  2327.     lto

  2328.     optimizations

  2329.     rpath

  2330.     stripping

  2331. "

  2332. 

  2333. PATHS_LIST="

  2334.     bindir

  2335.     datadir

  2336.     docdir

  2337.     incdir

  2338.     libdir

  2339.     mandir

  2340.     pkgconfigdir

  2341.     prefix

  2342.     shlibdir

  2343.     install_name_dir

  2344. "

  2345. 

  2346. CMDLINE_SET="

  2347.     $PATHS_LIST

  2348.     ar

  2349.     arch

  2350.     as

  2351.     assert_level

  2352.     build_suffix

  2353.     cc

  2354.     objcc

  2355.     cpu

  2356.     cross_prefix

  2357.     custom_allocator

  2358.     cxx

  2359.     dep_cc

  2360.     doxygen

  2361.     env

  2362.     extra_version

  2363.     gas

  2364.     host_cc

  2365.     host_cflags

  2366.     host_extralibs

  2367.     host_ld

  2368.     host_ldflags

  2369.     host_os

  2370.     ignore_tests

  2371.     install

  2372.     ld

  2373.     ln_s

  2374.     logfile

  2375.     malloc_prefix

  2376.     nm

  2377.     optflags

  2378.     nvcc

  2379.     nvccflags

  2380.     pkg_config

  2381.     pkg_config_flags

  2382.     progs_suffix

  2383.     random_seed

  2384.     ranlib

  2385.     samples

  2386.     strip

  2387.     sws_max_filter_size

  2388.     sysinclude

  2389.     sysroot

  2390.     target_exec

  2391.     target_os

  2392.     target_path

  2393.     target_samples

  2394.     tempprefix

  2395.     toolchain

  2396.     valgrind

  2397.     x86asmexe

  2398. "

  2399. 

  2400. CMDLINE_APPEND="

  2401.     extra_cflags

  2402.     extra_cxxflags

  2403.     extra_objcflags

  2404.     host_cppflags

  2405. "

  2406. 

  2407. # code dependency declarations

  2408. 

  2409. # architecture extensions

  2410. 

  2411. armv5te_deps="arm"

  2412. armv6_deps="arm"

  2413. armv6t2_deps="arm"

  2414. armv8_deps="aarch64"

  2415. neon_deps_any="aarch64 arm"

  2416. intrinsics_neon_deps="neon"

  2417. vfp_deps_any="aarch64 arm"

  2418. vfpv3_deps="vfp"

  2419. setend_deps="arm"

  2420. 

  2421. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2422. 

  2423. altivec_deps="ppc"

  2424. dcbzl_deps="ppc"

  2425. ldbrx_deps="ppc"

  2426. ppc4xx_deps="ppc"

  2427. vsx_deps="altivec"

  2428. power8_deps="vsx"

  2429. 

  2430. loongson2_deps="mips"

  2431. loongson3_deps="mips"

  2432. mips32r2_deps="mips"

  2433. mips32r5_deps="mips"

  2434. mips32r6_deps="mips"

  2435. mips64r2_deps="mips"

  2436. mips64r6_deps="mips"

  2437. mipsfpu_deps="mips"

  2438. mipsdsp_deps="mips"

  2439. mipsdspr2_deps="mips"

  2440. mmi_deps="mips"

  2441. msa_deps="mipsfpu"

  2442. 

  2443. cpunop_deps="i686"

  2444. x86_64_select="i686"

  2445. x86_64_suggest="fast_cmov"

  2446. 

  2447. amd3dnow_deps="mmx"

  2448. amd3dnowext_deps="amd3dnow"

  2449. i686_deps="x86"

  2450. mmx_deps="x86"

  2451. mmxext_deps="mmx"

  2452. sse_deps="mmxext"

  2453. sse2_deps="sse"

  2454. sse3_deps="sse2"

  2455. ssse3_deps="sse3"

  2456. sse4_deps="ssse3"

  2457. sse42_deps="sse4"

  2458. aesni_deps="sse42"

  2459. avx_deps="sse42"

  2460. xop_deps="avx"

  2461. fma3_deps="avx"

  2462. fma4_deps="avx"

  2463. avx2_deps="avx"

  2464. avx512_deps="avx2"

  2465. 

  2466. mmx_external_deps="x86asm"

  2467. mmx_inline_deps="inline_asm x86"

  2468. mmx_suggest="mmx_external mmx_inline"

  2469. 

  2470. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2471.     eval dep=\$${ext}_deps

  2472.     eval ${ext}_external_deps='"${dep}_external"'

  2473.     eval ${ext}_inline_deps='"${dep}_inline"'

  2474.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2475. done

  2476. 

  2477. aligned_stack_if_any="aarch64 ppc x86"

  2478. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2479. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2480. fast_unaligned_if_any="aarch64 ppc x86"

  2481. simd_align_16_if_any="altivec neon sse"

  2482. simd_align_32_if_any="avx"

  2483. simd_align_64_if_any="avx512"

  2484. 

  2485. # system capabilities

  2486. linux_perf_deps="linux_perf_event_h"

  2487. symver_if_any="symver_asm_label symver_gnu_asm"

  2488. valgrind_backtrace_conflict="optimizations"

  2489. valgrind_backtrace_deps="valgrind_valgrind_h"

  2490. 

  2491. # threading support

  2492. atomics_gcc_if="sync_val_compare_and_swap"

  2493. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2494. atomics_win32_if="MemoryBarrier"

  2495. atomics_native_if_any="$ATOMICS_LIST"

  2496. w32threads_deps="atomics_native"

  2497. threads_if_any="$THREADS_LIST"

  2498. 

  2499. # subsystems

  2500. cbs_h264_select="cbs golomb"

  2501. cbs_h265_select="cbs golomb"

  2502. cbs_mpeg2_select="cbs"

  2503. cbs_vp9_select="cbs"

  2504. dct_select="rdft"

  2505. dirac_parse_select="golomb"

  2506. error_resilience_select="me_cmp"

  2507. faandct_deps="faan"

  2508. faandct_select="fdctdsp"

  2509. faanidct_deps="faan"

  2510. faanidct_select="idctdsp"

  2511. h264dsp_select="startcode"

  2512. hevcparse_select="golomb"

  2513. frame_thread_encoder_deps="encoders threads"

  2514. intrax8_select="blockdsp idctdsp"

  2515. mdct_select="fft"

  2516. mdct15_select="fft"

  2517. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2518. mpeg_er_select="error_resilience"

  2519. mpegaudio_select="mpegaudiodsp mpegaudioheader"

  2520. mpegaudiodsp_select="dct"

  2521. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2522. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2523. vc1dsp_select="h264chroma qpeldsp startcode"

  2524. rdft_select="fft"

  2525. 

  2526. # decoders / encoders

  2527. aac_decoder_select="adts_header mdct15 mdct sinewin"

  2528. aac_fixed_decoder_select="adts_header mdct sinewin"

  2529. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2530. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2531. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2532. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2533. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2534. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2535. adpcm_g722_decoder_select="g722dsp"

  2536. adpcm_g722_encoder_select="g722dsp"

  2537. aic_decoder_select="golomb idctdsp"

  2538. alac_encoder_select="lpc"

  2539. als_decoder_select="bswapdsp"

  2540. amrnb_decoder_select="lsp"

  2541. amrwb_decoder_select="lsp"

  2542. amv_decoder_select="sp5x_decoder exif"

  2543. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2544. ape_decoder_select="bswapdsp llauddsp"

  2545. apng_decoder_deps="zlib"

  2546. apng_encoder_deps="zlib"

  2547. apng_encoder_select="llvidencdsp"

  2548. aptx_decoder_select="audio_frame_queue"

  2549. aptx_encoder_select="audio_frame_queue"

  2550. aptx_hd_decoder_select="audio_frame_queue"

  2551. aptx_hd_encoder_select="audio_frame_queue"

  2552. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2553. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2554. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2555. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2556. atrac1_decoder_select="mdct sinewin"

  2557. atrac3_decoder_select="mdct"

  2558. atrac3p_decoder_select="mdct sinewin"

  2559. avrn_decoder_select="exif jpegtables"

  2560. bink_decoder_select="blockdsp hpeldsp"

  2561. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2562. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2563. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2564. clearvideo_decoder_select="idctdsp"

  2565. cllc_decoder_select="bswapdsp"

  2566. comfortnoise_encoder_select="lpc"

  2567. cook_decoder_select="audiodsp mdct sinewin"

  2568. cscd_decoder_select="lzo"

  2569. cscd_decoder_suggest="zlib"

  2570. dca_decoder_select="mdct"

  2571. dds_decoder_select="texturedsp"

  2572. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2573. dnxhd_decoder_select="blockdsp idctdsp"

  2574. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2575. dolby_e_decoder_select="mdct"

  2576. dvvideo_decoder_select="dvprofile idctdsp"

  2577. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2578. dxa_decoder_deps="zlib"

  2579. dxv_decoder_select="lzf texturedsp"

  2580. eac3_decoder_select="ac3_decoder"

  2581. eac3_encoder_select="ac3_encoder"

  2582. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2583. eatgq_decoder_select="aandcttables"

  2584. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2585. exr_decoder_deps="zlib"

  2586. ffv1_decoder_select="rangecoder"

  2587. ffv1_encoder_select="rangecoder"

  2588. ffvhuff_decoder_select="huffyuv_decoder"

  2589. ffvhuff_encoder_select="huffyuv_encoder"

  2590. fic_decoder_select="golomb"

  2591. flac_decoder_select="flacdsp"

  2592. flac_encoder_select="bswapdsp flacdsp lpc"

  2593. flashsv2_decoder_deps="zlib"

  2594. flashsv2_encoder_deps="zlib"

  2595. flashsv_decoder_deps="zlib"

  2596. flashsv_encoder_deps="zlib"

  2597. flv_decoder_select="h263_decoder"

  2598. flv_encoder_select="h263_encoder"

  2599. fourxm_decoder_select="blockdsp bswapdsp"

  2600. fraps_decoder_select="bswapdsp huffman"

  2601. g2m_decoder_deps="zlib"

  2602. g2m_decoder_select="blockdsp idctdsp jpegtables"

  2603. g729_decoder_select="audiodsp"

  2604. h261_decoder_select="mpegvideo"

  2605. h261_encoder_select="aandcttables mpegvideoenc"

  2606. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2607. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2608. h263i_decoder_select="h263_decoder"

  2609. h263p_decoder_select="h263_decoder"

  2610. h263p_encoder_select="h263_encoder"

  2611. h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"

  2612. h264_decoder_suggest="error_resilience"

  2613. hap_decoder_select="snappy texturedsp"

  2614. hap_encoder_deps="libsnappy"

  2615. hap_encoder_select="texturedspenc"

  2616. hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"

  2617. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2618. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"

  2619. iac_decoder_select="imc_decoder"

  2620. imc_decoder_select="bswapdsp fft mdct sinewin"

  2621. indeo3_decoder_select="hpeldsp"

  2622. indeo4_decoder_select="ividsp"

  2623. indeo5_decoder_select="ividsp"

  2624. interplay_video_decoder_select="hpeldsp"

  2625. jpegls_decoder_select="mjpeg_decoder"

  2626. jv_decoder_select="blockdsp"

  2627. lagarith_decoder_select="llviddsp"

  2628. ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"

  2629. magicyuv_decoder_select="llviddsp"

  2630. magicyuv_encoder_select="llvidencdsp"

  2631. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2632. metasound_decoder_select="lsp mdct sinewin"

  2633. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2634. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2635. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2636. mjpegb_decoder_select="mjpeg_decoder"

  2637. mlp_decoder_select="mlp_parser"

  2638. mlp_encoder_select="lpc"

  2639. motionpixels_decoder_select="bswapdsp"

  2640. mp1_decoder_select="mpegaudio"

  2641. mp1float_decoder_select="mpegaudio"

  2642. mp2_decoder_select="mpegaudio"

  2643. mp2float_decoder_select="mpegaudio"

  2644. mp3_decoder_select="mpegaudio"

  2645. mp3adu_decoder_select="mpegaudio"

  2646. mp3adufloat_decoder_select="mpegaudio"

  2647. mp3float_decoder_select="mpegaudio"

  2648. mp3on4_decoder_select="mpegaudio"

  2649. mp3on4float_decoder_select="mpegaudio"

  2650. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2651. mpc8_decoder_select="mpegaudiodsp"

  2652. mpegvideo_decoder_select="mpegvideo"

  2653. mpeg1video_decoder_select="mpegvideo"

  2654. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2655. mpeg2video_decoder_select="mpegvideo"

  2656. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2657. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2658. mpeg4_encoder_select="h263_encoder"

  2659. msa1_decoder_select="mss34dsp"

  2660. mscc_decoder_deps="zlib"

  2661. msmpeg4v1_decoder_select="h263_decoder"

  2662. msmpeg4v2_decoder_select="h263_decoder"

  2663. msmpeg4v2_encoder_select="h263_encoder"

  2664. msmpeg4v3_decoder_select="h263_decoder"

  2665. msmpeg4v3_encoder_select="h263_encoder"

  2666. mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"

  2667. mts2_decoder_select="mss34dsp"

  2668. mxpeg_decoder_select="mjpeg_decoder"

  2669. nellymoser_decoder_select="mdct sinewin"

  2670. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2671. nuv_decoder_select="idctdsp lzo"

  2672. on2avc_decoder_select="mdct"

  2673. opus_decoder_deps="swresample"

  2674. opus_decoder_select="mdct15"

  2675. opus_encoder_select="audio_frame_queue mdct15"

  2676. png_decoder_deps="zlib"

  2677. png_encoder_deps="zlib"

  2678. png_encoder_select="llvidencdsp"

  2679. prores_decoder_select="blockdsp idctdsp"

  2680. prores_encoder_select="fdctdsp"

  2681. qcelp_decoder_select="lsp"

  2682. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2683. ra_144_decoder_select="audiodsp"

  2684. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2685. ralf_decoder_select="golomb"

  2686. rawvideo_decoder_select="bswapdsp"

  2687. rscc_decoder_deps="zlib"

  2688. rtjpeg_decoder_select="me_cmp"

  2689. rv10_decoder_select="h263_decoder"

  2690. rv10_encoder_select="h263_encoder"

  2691. rv20_decoder_select="h263_decoder"

  2692. rv20_encoder_select="h263_encoder"

  2693. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2694. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2695. screenpresso_decoder_deps="zlib"

  2696. shorten_decoder_select="bswapdsp"

  2697. sipr_decoder_select="lsp"

  2698. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2699. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2700. sonic_decoder_select="golomb rangecoder"

  2701. sonic_encoder_select="golomb rangecoder"

  2702. sonic_ls_encoder_select="golomb rangecoder"

  2703. sp5x_decoder_select="mjpeg_decoder"

  2704. srgc_decoder_deps="zlib"

  2705. svq1_decoder_select="hpeldsp"

  2706. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2707. svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"

  2708. svq3_decoder_suggest="zlib"

  2709. tak_decoder_select="audiodsp"

  2710. tdsc_decoder_deps="zlib"

  2711. tdsc_decoder_select="mjpeg_decoder"

  2712. theora_decoder_select="vp3_decoder"

  2713. thp_decoder_select="mjpeg_decoder"

  2714. tiff_decoder_suggest="zlib lzma"

  2715. tiff_encoder_suggest="zlib"

  2716. truehd_decoder_select="mlp_parser"

  2717. truehd_encoder_select="lpc"

  2718. truemotion2_decoder_select="bswapdsp"

  2719. truespeech_decoder_select="bswapdsp"

  2720. tscc_decoder_deps="zlib"

  2721. twinvq_decoder_select="mdct lsp sinewin"

  2722. txd_decoder_select="texturedsp"

  2723. utvideo_decoder_select="bswapdsp llviddsp"

  2724. utvideo_encoder_select="bswapdsp huffman llvidencdsp"

  2725. vble_decoder_select="llviddsp"

  2726. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2727. vc1image_decoder_select="vc1_decoder"

  2728. vorbis_decoder_select="mdct"

  2729. vorbis_encoder_select="audio_frame_queue mdct"

  2730. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2731. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2732. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2733. vp6a_decoder_select="vp6_decoder"

  2734. vp6f_decoder_select="vp6_decoder"

  2735. vp7_decoder_select="h264pred videodsp vp8dsp"

  2736. vp8_decoder_select="h264pred videodsp vp8dsp"

  2737. vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"

  2738. webp_decoder_select="vp8_decoder exif"

  2739. wmalossless_decoder_select="llauddsp"

  2740. wmapro_decoder_select="mdct sinewin wma_freqs"

  2741. wmav1_decoder_select="mdct sinewin wma_freqs"

  2742. wmav1_encoder_select="mdct sinewin wma_freqs"

  2743. wmav2_decoder_select="mdct sinewin wma_freqs"

  2744. wmav2_encoder_select="mdct sinewin wma_freqs"

  2745. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2746. wmv1_decoder_select="h263_decoder"

  2747. wmv1_encoder_select="h263_encoder"

  2748. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2749. wmv2_encoder_select="h263_encoder wmv2dsp"

  2750. wmv3_decoder_select="vc1_decoder"

  2751. wmv3image_decoder_select="wmv3_decoder"

  2752. xma1_decoder_select="wmapro_decoder"

  2753. xma2_decoder_select="wmapro_decoder"

  2754. zerocodec_decoder_deps="zlib"

  2755. zlib_decoder_deps="zlib"

  2756. zlib_encoder_deps="zlib"

  2757. zmbv_decoder_deps="zlib"

  2758. zmbv_encoder_deps="zlib"

  2759. 

  2760. # hardware accelerators

  2761. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2762. cuda_deps="ffnvcodec"

  2763. cuvid_deps="ffnvcodec"

  2764. d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2765. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"

  2766. ffnvcodec_deps_any="libdl LoadLibrary"

  2767. nvdec_deps="ffnvcodec"

  2768. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2769. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2770. xvmc_deps="X11_extensions_XvMClib_h"

  2771. 

  2772. h263_vaapi_hwaccel_deps="vaapi"

  2773. h263_vaapi_hwaccel_select="h263_decoder"

  2774. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2775. h263_videotoolbox_hwaccel_select="h263_decoder"

  2776. h264_d3d11va_hwaccel_deps="d3d11va"

  2777. h264_d3d11va_hwaccel_select="h264_decoder"

  2778. h264_d3d11va2_hwaccel_deps="d3d11va"

  2779. h264_d3d11va2_hwaccel_select="h264_decoder"

  2780. h264_dxva2_hwaccel_deps="dxva2"

  2781. h264_dxva2_hwaccel_select="h264_decoder"

  2782. h264_nvdec_hwaccel_deps="nvdec"

  2783. h264_nvdec_hwaccel_select="h264_decoder"

  2784. h264_vaapi_hwaccel_deps="vaapi"

  2785. h264_vaapi_hwaccel_select="h264_decoder"

  2786. h264_vdpau_hwaccel_deps="vdpau"

  2787. h264_vdpau_hwaccel_select="h264_decoder"

  2788. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2789. h264_videotoolbox_hwaccel_select="h264_decoder"

  2790. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2791. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2792. hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2793. hevc_d3d11va2_hwaccel_select="hevc_decoder"

  2794. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2795. hevc_dxva2_hwaccel_select="hevc_decoder"

  2796. hevc_nvdec_hwaccel_deps="nvdec"

  2797. hevc_nvdec_hwaccel_select="hevc_decoder"

  2798. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2799. hevc_vaapi_hwaccel_select="hevc_decoder"

  2800. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2801. hevc_vdpau_hwaccel_select="hevc_decoder"

  2802. hevc_videotoolbox_hwaccel_deps="videotoolbox"

  2803. hevc_videotoolbox_hwaccel_select="hevc_decoder"

  2804. mjpeg_nvdec_hwaccel_deps="nvdec"

  2805. mjpeg_nvdec_hwaccel_select="mjpeg_decoder"

  2806. mjpeg_vaapi_hwaccel_deps="vaapi"

  2807. mjpeg_vaapi_hwaccel_select="mjpeg_decoder"

  2808. mpeg_xvmc_hwaccel_deps="xvmc"

  2809. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2810. mpeg1_nvdec_hwaccel_deps="nvdec"

  2811. mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"

  2812. mpeg1_vdpau_hwaccel_deps="vdpau"

  2813. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2814. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2815. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2816. mpeg1_xvmc_hwaccel_deps="xvmc"

  2817. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2818. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2819. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2820. mpeg2_d3d11va2_hwaccel_deps="d3d11va"

  2821. mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"

  2822. mpeg2_dxva2_hwaccel_deps="dxva2"

  2823. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2824. mpeg2_nvdec_hwaccel_deps="nvdec"

  2825. mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"

  2826. mpeg2_vaapi_hwaccel_deps="vaapi"

  2827. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2828. mpeg2_vdpau_hwaccel_deps="vdpau"

  2829. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2830. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2831. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2832. mpeg2_xvmc_hwaccel_deps="xvmc"

  2833. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2834. mpeg4_nvdec_hwaccel_deps="nvdec"

  2835. mpeg4_nvdec_hwaccel_select="mpeg4_decoder"

  2836. mpeg4_vaapi_hwaccel_deps="vaapi"

  2837. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2838. mpeg4_vdpau_hwaccel_deps="vdpau"

  2839. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2840. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2841. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2842. vc1_d3d11va_hwaccel_deps="d3d11va"

  2843. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2844. vc1_d3d11va2_hwaccel_deps="d3d11va"

  2845. vc1_d3d11va2_hwaccel_select="vc1_decoder"

  2846. vc1_dxva2_hwaccel_deps="dxva2"

  2847. vc1_dxva2_hwaccel_select="vc1_decoder"

  2848. vc1_nvdec_hwaccel_deps="nvdec"

  2849. vc1_nvdec_hwaccel_select="vc1_decoder"

  2850. vc1_vaapi_hwaccel_deps="vaapi"

  2851. vc1_vaapi_hwaccel_select="vc1_decoder"

  2852. vc1_vdpau_hwaccel_deps="vdpau"

  2853. vc1_vdpau_hwaccel_select="vc1_decoder"

  2854. vp8_nvdec_hwaccel_deps="nvdec"

  2855. vp8_nvdec_hwaccel_select="vp8_decoder"

  2856. vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"

  2857. vp8_vaapi_hwaccel_select="vp8_decoder"

  2858. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2859. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2860. vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2861. vp9_d3d11va2_hwaccel_select="vp9_decoder"

  2862. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2863. vp9_dxva2_hwaccel_select="vp9_decoder"

  2864. vp9_nvdec_hwaccel_deps="nvdec"

  2865. vp9_nvdec_hwaccel_select="vp9_decoder"

  2866. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"

  2867. vp9_vaapi_hwaccel_select="vp9_decoder"

  2868. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2869. wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"

  2870. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2871. wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"

  2872. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2873. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2874. 

  2875. # hardware-accelerated codecs

  2876. omx_deps="libdl pthreads"

  2877. omx_rpi_select="omx"

  2878. qsv_deps="libmfx"

  2879. qsvdec_select="qsv"

  2880. qsvenc_select="qsv"

  2881. qsvvpp_select="qsv"

  2882. vaapi_encode_deps="vaapi"

  2883. v4l2_m2m_deps="linux_videodev2_h sem_timedwait"

  2884. 

  2885. hwupload_cuda_filter_deps="ffnvcodec"

  2886. scale_npp_filter_deps="ffnvcodec libnpp"

  2887. scale_cuda_filter_deps="cuda_sdk"

  2888. thumbnail_cuda_filter_deps="cuda_sdk"

  2889. 

  2890. amf_deps_any="libdl LoadLibrary"

  2891. nvenc_deps="ffnvcodec"

  2892. nvenc_deps_any="libdl LoadLibrary"

  2893. nvenc_encoder_deps="nvenc"

  2894. 

  2895. h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"

  2896. h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"

  2897. h264_amf_encoder_deps="amf"

  2898. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2899. h264_cuvid_decoder_deps="cuvid"

  2900. h264_cuvid_decoder_select="h264_mp4toannexb_bsf"

  2901. h264_mediacodec_decoder_deps="mediacodec"

  2902. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2903. h264_mmal_decoder_deps="mmal"

  2904. h264_nvenc_encoder_deps="nvenc"

  2905. h264_omx_encoder_deps="omx"

  2906. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"

  2907. h264_qsv_encoder_select="qsvenc"

  2908. h264_rkmpp_decoder_deps="rkmpp"

  2909. h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"

  2910. h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"

  2911. h264_vaapi_encoder_select="cbs_h264 vaapi_encode"

  2912. h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"

  2913. h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"

  2914. hevc_amf_encoder_deps="amf"

  2915. hevc_cuvid_decoder_deps="cuvid"

  2916. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"

  2917. hevc_mediacodec_decoder_deps="mediacodec"

  2918. hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"

  2919. hevc_nvenc_encoder_deps="nvenc"

  2920. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"

  2921. hevc_qsv_encoder_select="hevcparse qsvenc"

  2922. hevc_rkmpp_decoder_deps="rkmpp"

  2923. hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"

  2924. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  2925. hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"

  2926. hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2927. hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2928. mjpeg_cuvid_decoder_deps="cuvid"

  2929. mjpeg_qsv_encoder_deps="libmfx"

  2930. mjpeg_qsv_encoder_select="qsvenc"

  2931. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  2932. mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"

  2933. mpeg1_cuvid_decoder_deps="cuvid"

  2934. mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"

  2935. mpeg2_crystalhd_decoder_select="crystalhd"

  2936. mpeg2_cuvid_decoder_deps="cuvid"

  2937. mpeg2_mmal_decoder_deps="mmal"

  2938. mpeg2_mediacodec_decoder_deps="mediacodec"

  2939. mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"

  2940. mpeg2_qsv_encoder_select="qsvenc"

  2941. mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"

  2942. mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"

  2943. mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"

  2944. mpeg4_crystalhd_decoder_select="crystalhd"

  2945. mpeg4_cuvid_decoder_deps="cuvid"

  2946. mpeg4_mediacodec_decoder_deps="mediacodec"

  2947. mpeg4_mmal_decoder_deps="mmal"

  2948. mpeg4_omx_encoder_deps="omx"

  2949. mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  2950. mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  2951. msmpeg4_crystalhd_decoder_select="crystalhd"

  2952. nvenc_h264_encoder_select="h264_nvenc_encoder"

  2953. nvenc_hevc_encoder_select="hevc_nvenc_encoder"

  2954. vc1_crystalhd_decoder_select="crystalhd"

  2955. vc1_cuvid_decoder_deps="cuvid"

  2956. vc1_mmal_decoder_deps="mmal"

  2957. vc1_qsv_decoder_select="qsvdec vc1_parser"

  2958. vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"

  2959. vp8_cuvid_decoder_deps="cuvid"

  2960. vp8_mediacodec_decoder_deps="mediacodec"

  2961. vp8_qsv_decoder_select="qsvdec vp8_parser"

  2962. vp8_rkmpp_decoder_deps="rkmpp"

  2963. vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"

  2964. vp8_vaapi_encoder_select="vaapi_encode"

  2965. vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"

  2966. vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"

  2967. vp9_cuvid_decoder_deps="cuvid"

  2968. vp9_mediacodec_decoder_deps="mediacodec"

  2969. vp9_rkmpp_decoder_deps="rkmpp"

  2970. vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"

  2971. vp9_vaapi_encoder_select="vaapi_encode"

  2972. vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"

  2973. wmv3_crystalhd_decoder_select="crystalhd"

  2974. 

  2975. # parsers

  2976. aac_parser_select="adts_header"

  2977. h264_parser_select="golomb h264dsp h264parse"

  2978. hevc_parser_select="hevcparse"

  2979. mpegaudio_parser_select="mpegaudioheader"

  2980. mpegvideo_parser_select="mpegvideo"

  2981. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2982. vc1_parser_select="vc1dsp"

  2983. 

  2984. # bitstream_filters

  2985. aac_adtstoasc_bsf_select="adts_header"

  2986. filter_units_bsf_select="cbs"

  2987. h264_metadata_bsf_deps="const_nan"

  2988. h264_metadata_bsf_select="cbs_h264"

  2989. h264_redundant_pps_bsf_select="cbs_h264"

  2990. hevc_metadata_bsf_select="cbs_h265"

  2991. mjpeg2jpeg_bsf_select="jpegtables"

  2992. mpeg2_metadata_bsf_select="cbs_mpeg2"

  2993. trace_headers_bsf_select="cbs"

  2994. vp9_metadata_bsf_select="cbs_vp9"

  2995. 

  2996. # external libraries

  2997. aac_at_decoder_deps="audiotoolbox"

  2998. aac_at_decoder_select="aac_adtstoasc_bsf"

  2999. ac3_at_decoder_deps="audiotoolbox"

  3000. ac3_at_decoder_select="ac3_parser"

  3001. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  3002. alac_at_decoder_deps="audiotoolbox"

  3003. amr_nb_at_decoder_deps="audiotoolbox"

  3004. avisynth_deps_any="libdl LoadLibrary"

  3005. avisynth_demuxer_deps="avisynth"

  3006. avisynth_demuxer_select="riffdec"

  3007. eac3_at_decoder_deps="audiotoolbox"

  3008. eac3_at_decoder_select="ac3_parser"

  3009. gsm_ms_at_decoder_deps="audiotoolbox"

  3010. ilbc_at_decoder_deps="audiotoolbox"

  3011. mp1_at_decoder_deps="audiotoolbox"

  3012. mp2_at_decoder_deps="audiotoolbox"

  3013. mp3_at_decoder_deps="audiotoolbox"

  3014. mp1_at_decoder_select="mpegaudioheader"

  3015. mp2_at_decoder_select="mpegaudioheader"

  3016. mp3_at_decoder_select="mpegaudioheader"

  3017. pcm_alaw_at_decoder_deps="audiotoolbox"

  3018. pcm_mulaw_at_decoder_deps="audiotoolbox"

  3019. qdmc_at_decoder_deps="audiotoolbox"

  3020. qdm2_at_decoder_deps="audiotoolbox"

  3021. aac_at_encoder_deps="audiotoolbox"

  3022. aac_at_encoder_select="audio_frame_queue"

  3023. alac_at_encoder_deps="audiotoolbox"

  3024. alac_at_encoder_select="audio_frame_queue"

  3025. ilbc_at_encoder_deps="audiotoolbox"

  3026. ilbc_at_encoder_select="audio_frame_queue"

  3027. pcm_alaw_at_encoder_deps="audiotoolbox"

  3028. pcm_alaw_at_encoder_select="audio_frame_queue"

  3029. pcm_mulaw_at_encoder_deps="audiotoolbox"

  3030. pcm_mulaw_at_encoder_select="audio_frame_queue"

  3031. chromaprint_muxer_deps="chromaprint"

  3032. h264_videotoolbox_encoder_deps="pthreads"

  3033. h264_videotoolbox_encoder_select="videotoolbox_encoder"

  3034. hevc_videotoolbox_encoder_deps="pthreads"

  3035. hevc_videotoolbox_encoder_select="videotoolbox_encoder"

  3036. libaom_av1_decoder_deps="libaom"

  3037. libaom_av1_encoder_deps="libaom"

  3038. libcelt_decoder_deps="libcelt"

  3039. libcodec2_decoder_deps="libcodec2"

  3040. libcodec2_encoder_deps="libcodec2"

  3041. libfdk_aac_decoder_deps="libfdk_aac"

  3042. libfdk_aac_encoder_deps="libfdk_aac"

  3043. libfdk_aac_encoder_select="audio_frame_queue"

  3044. libgme_demuxer_deps="libgme"

  3045. libgsm_decoder_deps="libgsm"

  3046. libgsm_encoder_deps="libgsm"

  3047. libgsm_ms_decoder_deps="libgsm"

  3048. libgsm_ms_encoder_deps="libgsm"

  3049. libilbc_decoder_deps="libilbc"

  3050. libilbc_encoder_deps="libilbc"

  3051. libkvazaar_encoder_deps="libkvazaar"

  3052. libmodplug_demuxer_deps="libmodplug"

  3053. libmp3lame_encoder_deps="libmp3lame"

  3054. libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"

  3055. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  3056. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  3057. libopencore_amrnb_encoder_select="audio_frame_queue"

  3058. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  3059. libopenh264_decoder_deps="libopenh264"

  3060. libopenh264_decoder_select="h264_mp4toannexb_bsf"

  3061. libopenh264_encoder_deps="libopenh264"

  3062. libopenjpeg_decoder_deps="libopenjpeg"

  3063. libopenjpeg_encoder_deps="libopenjpeg"

  3064. libopenmpt_demuxer_deps="libopenmpt"

  3065. libopus_decoder_deps="libopus"

  3066. libopus_encoder_deps="libopus"

  3067. libopus_encoder_select="audio_frame_queue"

  3068. librsvg_decoder_deps="librsvg"

  3069. libshine_encoder_deps="libshine"

  3070. libshine_encoder_select="audio_frame_queue"

  3071. libspeex_decoder_deps="libspeex"

  3072. libspeex_encoder_deps="libspeex"

  3073. libspeex_encoder_select="audio_frame_queue"

  3074. libtheora_encoder_deps="libtheora"

  3075. libtwolame_encoder_deps="libtwolame"

  3076. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  3077. libvorbis_decoder_deps="libvorbis"

  3078. libvorbis_encoder_deps="libvorbis libvorbisenc"

  3079. libvorbis_encoder_select="audio_frame_queue"

  3080. libvpx_vp8_decoder_deps="libvpx"

  3081. libvpx_vp8_encoder_deps="libvpx"

  3082. libvpx_vp9_decoder_deps="libvpx"

  3083. libvpx_vp9_encoder_deps="libvpx"

  3084. libwavpack_encoder_deps="libwavpack"

  3085. libwavpack_encoder_select="audio_frame_queue"

  3086. libwebp_encoder_deps="libwebp"

  3087. libwebp_anim_encoder_deps="libwebp"

  3088. libx262_encoder_deps="libx262"

  3089. libx264_encoder_deps="libx264"

  3090. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  3091. libx264rgb_encoder_select="libx264_encoder"

  3092. libx265_encoder_deps="libx265"

  3093. libxavs_encoder_deps="libxavs"

  3094. libxvid_encoder_deps="libxvid"

  3095. libzvbi_teletext_decoder_deps="libzvbi"

  3096. vapoursynth_demuxer_deps="vapoursynth"

  3097. videotoolbox_suggest="coreservices"

  3098. videotoolbox_deps="corefoundation coremedia corevideo"

  3099. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  3100. 

  3101. # demuxers / muxers

  3102. ac3_demuxer_select="ac3_parser"

  3103. aiff_muxer_select="iso_media"

  3104. asf_demuxer_select="riffdec"

  3105. asf_o_demuxer_select="riffdec"

  3106. asf_muxer_select="riffenc"

  3107. asf_stream_muxer_select="asf_muxer"

  3108. avi_demuxer_select="iso_media riffdec exif"

  3109. avi_muxer_select="riffenc"

  3110. caf_demuxer_select="iso_media riffdec"

  3111. caf_muxer_select="iso_media"

  3112. dash_muxer_select="mp4_muxer"

  3113. dash_demuxer_deps="libxml2"

  3114. dirac_demuxer_select="dirac_parser"

  3115. dts_demuxer_select="dca_parser"

  3116. dtshd_demuxer_select="dca_parser"

  3117. dv_demuxer_select="dvprofile"

  3118. dv_muxer_select="dvprofile"

  3119. dxa_demuxer_select="riffdec"

  3120. eac3_demuxer_select="ac3_parser"

  3121. f4v_muxer_select="mov_muxer"

  3122. fifo_muxer_deps="threads"

  3123. flac_demuxer_select="flac_parser"

  3124. hds_muxer_select="flv_muxer"

  3125. hls_muxer_select="mpegts_muxer"

  3126. hls_muxer_suggest="gcrypt openssl"

  3127. image2_alias_pix_demuxer_select="image2_demuxer"

  3128. image2_brender_pix_demuxer_select="image2_demuxer"

  3129. ipod_muxer_select="mov_muxer"

  3130. ismv_muxer_select="mov_muxer"

  3131. matroska_audio_muxer_select="matroska_muxer"

  3132. matroska_demuxer_select="iso_media riffdec"

  3133. matroska_demuxer_suggest="bzlib lzo zlib"

  3134. matroska_muxer_select="iso_media riffenc"

  3135. mmf_muxer_select="riffenc"

  3136. mov_demuxer_select="iso_media riffdec"

  3137. mov_demuxer_suggest="zlib"

  3138. mov_muxer_select="iso_media riffenc rtpenc_chain"

  3139. mp3_demuxer_select="mpegaudio_parser"

  3140. mp3_muxer_select="mpegaudioheader"

  3141. mp4_muxer_select="mov_muxer"

  3142. mpegts_demuxer_select="iso_media"

  3143. mpegts_muxer_select="adts_muxer latm_muxer"

  3144. mpegtsraw_demuxer_select="mpegts_demuxer"

  3145. mxf_d10_muxer_select="mxf_muxer"

  3146. mxf_opatom_muxer_select="mxf_muxer"

  3147. nut_muxer_select="riffenc"

  3148. nuv_demuxer_select="riffdec"

  3149. oga_muxer_select="ogg_muxer"

  3150. ogg_demuxer_select="dirac_parse"

  3151. ogv_muxer_select="ogg_muxer"

  3152. opus_muxer_select="ogg_muxer"

  3153. psp_muxer_select="mov_muxer"

  3154. rtp_demuxer_select="sdp_demuxer"

  3155. rtp_muxer_select="golomb"

  3156. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  3157. rtsp_demuxer_select="http_protocol rtpdec"

  3158. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  3159. sap_demuxer_select="sdp_demuxer"

  3160. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  3161. sdp_demuxer_select="rtpdec"

  3162. smoothstreaming_muxer_select="ismv_muxer"

  3163. spdif_demuxer_select="adts_header"

  3164. spdif_muxer_select="adts_header"

  3165. spx_muxer_select="ogg_muxer"

  3166. swf_demuxer_suggest="zlib"

  3167. tak_demuxer_select="tak_parser"

  3168. tg2_muxer_select="mov_muxer"

  3169. tgp_muxer_select="mov_muxer"

  3170. vobsub_demuxer_select="mpegps_demuxer"

  3171. w64_demuxer_select="wav_demuxer"

  3172. w64_muxer_select="wav_muxer"

  3173. wav_demuxer_select="riffdec"

  3174. wav_muxer_select="riffenc"

  3175. webm_muxer_select="iso_media riffenc"

  3176. webm_dash_manifest_demuxer_select="matroska_demuxer"

  3177. wtv_demuxer_select="mpegts_demuxer riffdec"

  3178. wtv_muxer_select="mpegts_muxer riffenc"

  3179. xmv_demuxer_select="riffdec"

  3180. xwma_demuxer_select="riffdec"

  3181. 

  3182. # indevs / outdevs

  3183. android_camera_indev_deps="android camera2ndk mediandk pthreads"

  3184. android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"

  3185. alsa_indev_deps="alsa"

  3186. alsa_outdev_deps="alsa"

  3187. avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"

  3188. avfoundation_indev_suggest="coregraphics applicationservices"

  3189. avfoundation_indev_extralibs="-framework Foundation"

  3190. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  3191. caca_outdev_deps="libcaca"

  3192. decklink_deps_any="libdl LoadLibrary"

  3193. decklink_indev_deps="decklink threads"

  3194. decklink_indev_extralibs="-lstdc++"

  3195. decklink_outdev_deps="decklink threads"

  3196. decklink_outdev_extralibs="-lstdc++"

  3197. libndi_newtek_indev_deps="libndi_newtek"

  3198. libndi_newtek_indev_extralibs="-lndi"

  3199. libndi_newtek_outdev_deps="libndi_newtek"

  3200. libndi_newtek_outdev_extralibs="-lndi"

  3201. dshow_indev_deps="IBaseFilter"

  3202. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  3203. fbdev_indev_deps="linux_fb_h"

  3204. fbdev_outdev_deps="linux_fb_h"

  3205. gdigrab_indev_deps="CreateDIBSection"

  3206. gdigrab_indev_extralibs="-lgdi32"

  3207. gdigrab_indev_select="bmp_decoder"

  3208. iec61883_indev_deps="libiec61883"

  3209. jack_indev_deps="libjack"

  3210. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  3211. kmsgrab_indev_deps="libdrm"

  3212. lavfi_indev_deps="avfilter"

  3213. libcdio_indev_deps="libcdio"

  3214. libdc1394_indev_deps="libdc1394"

  3215. openal_indev_deps="openal"

  3216. opengl_outdev_deps="opengl"

  3217. oss_indev_deps_any="sys_soundcard_h"

  3218. oss_outdev_deps_any="sys_soundcard_h"

  3219. pulse_indev_deps="libpulse"

  3220. pulse_outdev_deps="libpulse"

  3221. sdl2_outdev_deps="sdl2"

  3222. sndio_indev_deps="sndio"

  3223. sndio_outdev_deps="sndio"

  3224. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  3225. v4l2_indev_suggest="libv4l2"

  3226. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  3227. v4l2_outdev_suggest="libv4l2"

  3228. vfwcap_indev_deps="vfw32 vfwcap_defines"

  3229. xcbgrab_indev_deps="libxcb"

  3230. xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"

  3231. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  3232. xv_outdev_extralibs="-lXv -lX11 -lXext"

  3233. 

  3234. # protocols

  3235. async_protocol_deps="threads"

  3236. bluray_protocol_deps="libbluray"

  3237. ffrtmpcrypt_protocol_conflict="librtmp_protocol"

  3238. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  3239. ffrtmpcrypt_protocol_select="tcp_protocol"

  3240. ffrtmphttp_protocol_conflict="librtmp_protocol"

  3241. ffrtmphttp_protocol_select="http_protocol"

  3242. ftp_protocol_select="tcp_protocol"

  3243. gopher_protocol_select="network"

  3244. http_protocol_select="tcp_protocol"

  3245. http_protocol_suggest="zlib"

  3246. httpproxy_protocol_select="tcp_protocol"

  3247. httpproxy_protocol_suggest="zlib"

  3248. https_protocol_select="tls_protocol"

  3249. https_protocol_suggest="zlib"

  3250. icecast_protocol_select="http_protocol"

  3251. librtmp_protocol_deps="librtmp"

  3252. librtmpe_protocol_deps="librtmp"

  3253. librtmps_protocol_deps="librtmp"

  3254. librtmpt_protocol_deps="librtmp"

  3255. librtmpte_protocol_deps="librtmp"

  3256. libsmbclient_protocol_deps="libsmbclient gplv3"

  3257. libssh_protocol_deps="libssh"

  3258. libtls_conflict="openssl gnutls"

  3259. mmsh_protocol_select="http_protocol"

  3260. mmst_protocol_select="network"

  3261. libsrt_protocol_deps="libsrt"

  3262. libsrt_protocol_select="network"

  3263. rtmp_protocol_conflict="librtmp_protocol"

  3264. rtmp_protocol_select="tcp_protocol"

  3265. rtmp_protocol_suggest="zlib"

  3266. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  3267. rtmpe_protocol_suggest="zlib"

  3268. rtmps_protocol_conflict="librtmp_protocol"

  3269. rtmps_protocol_select="tls_protocol"

  3270. rtmps_protocol_suggest="zlib"

  3271. rtmpt_protocol_select="ffrtmphttp_protocol"

  3272. rtmpt_protocol_suggest="zlib"

  3273. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  3274. rtmpte_protocol_suggest="zlib"

  3275. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  3276. rtmpts_protocol_suggest="zlib"

  3277. rtp_protocol_select="udp_protocol"

  3278. schannel_conflict="openssl gnutls libtls"

  3279. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  3280. sctp_protocol_select="network"

  3281. securetransport_conflict="openssl gnutls libtls"

  3282. srtp_protocol_select="rtp_protocol srtp"

  3283. tcp_protocol_select="network"

  3284. tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"

  3285. tls_protocol_select="tcp_protocol"

  3286. udp_protocol_select="network"

  3287. udplite_protocol_select="network"

  3288. unix_protocol_deps="sys_un_h"

  3289. unix_protocol_select="network"

  3290. 

  3291. # filters

  3292. afftfilt_filter_deps="avcodec"

  3293. afftfilt_filter_select="fft"

  3294. afir_filter_deps="avcodec"

  3295. afir_filter_select="fft"

  3296. amovie_filter_deps="avcodec avformat"

  3297. aresample_filter_deps="swresample"

  3298. ass_filter_deps="libass"

  3299. atempo_filter_deps="avcodec"

  3300. atempo_filter_select="rdft"

  3301. avgblur_opencl_filter_deps="opencl"

  3302. azmq_filter_deps="libzmq"

  3303. blackframe_filter_deps="gpl"

  3304. boxblur_filter_deps="gpl"

  3305. bs2b_filter_deps="libbs2b"

  3306. colormatrix_filter_deps="gpl"

  3307. convolution_opencl_filter_deps="opencl"

  3308. convolve_filter_deps="avcodec"

  3309. convolve_filter_select="fft"

  3310. coreimage_filter_deps="coreimage appkit"

  3311. coreimage_filter_extralibs="-framework OpenGL"

  3312. coreimagesrc_filter_deps="coreimage appkit"

  3313. coreimagesrc_filter_extralibs="-framework OpenGL"

  3314. cover_rect_filter_deps="avcodec avformat gpl"

  3315. cropdetect_filter_deps="gpl"

  3316. deconvolve_filter_deps="avcodec"

  3317. deconvolve_filter_select="fft"

  3318. deinterlace_qsv_filter_deps="libmfx"

  3319. deinterlace_vaapi_filter_deps="vaapi"

  3320. delogo_filter_deps="gpl"

  3321. denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3322. deshake_filter_select="pixelutils"

  3323. drawtext_filter_deps="libfreetype"

  3324. drawtext_filter_suggest="libfontconfig libfribidi"

  3325. elbg_filter_deps="avcodec"

  3326. eq_filter_deps="gpl"

  3327. fftfilt_filter_deps="avcodec"

  3328. fftfilt_filter_select="rdft"

  3329. find_rect_filter_deps="avcodec avformat gpl"

  3330. firequalizer_filter_deps="avcodec"

  3331. firequalizer_filter_select="rdft"

  3332. flite_filter_deps="libflite"

  3333. framerate_filter_select="pixelutils"

  3334. frei0r_filter_deps="frei0r libdl"

  3335. frei0r_src_filter_deps="frei0r libdl"

  3336. fspp_filter_deps="gpl"

  3337. geq_filter_deps="gpl"

  3338. histeq_filter_deps="gpl"

  3339. hqdn3d_filter_deps="gpl"

  3340. interlace_filter_deps="gpl"

  3341. kerndeint_filter_deps="gpl"

  3342. ladspa_filter_deps="ladspa libdl"

  3343. lv2_filter_deps="lv2"

  3344. mcdeint_filter_deps="avcodec gpl"

  3345. movie_filter_deps="avcodec avformat"

  3346. mpdecimate_filter_deps="gpl"

  3347. mpdecimate_filter_select="pixelutils"

  3348. mptestsrc_filter_deps="gpl"

  3349. negate_filter_deps="lut_filter"

  3350. nnedi_filter_deps="gpl"

  3351. ocr_filter_deps="libtesseract"

  3352. ocv_filter_deps="libopencv"

  3353. openclsrc_filter_deps="opencl"

  3354. overlay_opencl_filter_deps="opencl"

  3355. overlay_qsv_filter_deps="libmfx"

  3356. overlay_qsv_filter_select="qsvvpp"

  3357. owdenoise_filter_deps="gpl"

  3358. pan_filter_deps="swresample"

  3359. perspective_filter_deps="gpl"

  3360. phase_filter_deps="gpl"

  3361. pp7_filter_deps="gpl"

  3362. pp_filter_deps="gpl postproc"

  3363. procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3364. program_opencl_filter_deps="opencl"

  3365. pullup_filter_deps="gpl"

  3366. removelogo_filter_deps="avcodec avformat swscale"

  3367. repeatfields_filter_deps="gpl"

  3368. resample_filter_deps="avresample"

  3369. rubberband_filter_deps="librubberband"

  3370. sab_filter_deps="gpl swscale"

  3371. scale2ref_filter_deps="swscale"

  3372. scale_filter_deps="swscale"

  3373. scale_qsv_filter_deps="libmfx"

  3374. select_filter_select="pixelutils"

  3375. sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3376. showcqt_filter_deps="avcodec avformat swscale"

  3377. showcqt_filter_suggest="libfontconfig libfreetype"

  3378. showcqt_filter_select="fft"

  3379. showfreqs_filter_deps="avcodec"

  3380. showfreqs_filter_select="fft"

  3381. showspectrum_filter_deps="avcodec"

  3382. showspectrum_filter_select="fft"

  3383. showspectrumpic_filter_deps="avcodec"

  3384. showspectrumpic_filter_select="fft"

  3385. signature_filter_deps="gpl avcodec avformat"

  3386. smartblur_filter_deps="gpl swscale"

  3387. sofalizer_filter_deps="libmysofa avcodec"

  3388. sofalizer_filter_select="fft"

  3389. spectrumsynth_filter_deps="avcodec"

  3390. spectrumsynth_filter_select="fft"

  3391. spp_filter_deps="gpl avcodec"

  3392. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3393. srcnn_filter_deps="access avformat"

  3394. stereo3d_filter_deps="gpl"

  3395. subtitles_filter_deps="avformat avcodec libass"

  3396. super2xsai_filter_deps="gpl"

  3397. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3398. tinterlace_filter_deps="gpl"

  3399. tinterlace_merge_test_deps="tinterlace_filter"

  3400. tinterlace_pad_test_deps="tinterlace_filter"

  3401. tonemap_filter_deps="const_nan"

  3402. unsharp_opencl_filter_deps="opencl"

  3403. uspp_filter_deps="gpl avcodec"

  3404. vaguedenoiser_filter_deps="gpl"

  3405. vidstabdetect_filter_deps="libvidstab"

  3406. vidstabtransform_filter_deps="libvidstab"

  3407. libvmaf_filter_deps="libvmaf pthreads"

  3408. zmq_filter_deps="libzmq"

  3409. zoompan_filter_deps="swscale"

  3410. zscale_filter_deps="libzimg const_nan"

  3411. scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3412. vpp_qsv_filter_deps="libmfx"

  3413. vpp_qsv_filter_select="qsvvpp"

  3414. 

  3415. # examples

  3416. avio_dir_cmd_deps="avformat avutil"

  3417. avio_reading_deps="avformat avcodec avutil"

  3418. decode_audio_example_deps="avcodec avutil"

  3419. decode_video_example_deps="avcodec avutil"

  3420. demuxing_decoding_example_deps="avcodec avformat avutil"

  3421. encode_audio_example_deps="avcodec avutil"

  3422. encode_video_example_deps="avcodec avutil"

  3423. extract_mvs_example_deps="avcodec avformat avutil"

  3424. filter_audio_example_deps="avfilter avutil"

  3425. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3426. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3427. http_multiclient_example_deps="avformat avutil fork"

  3428. hw_decode_example_deps="avcodec avformat avutil"

  3429. metadata_example_deps="avformat avutil"

  3430. muxing_example_deps="avcodec avformat avutil swscale"

  3431. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"

  3432. remuxing_example_deps="avcodec avformat avutil"

  3433. resampling_audio_example_deps="avutil swresample"

  3434. scaling_video_example_deps="avutil swscale"

  3435. transcode_aac_example_deps="avcodec avformat swresample"

  3436. transcoding_example_deps="avfilter avcodec avformat avutil"

  3437. vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"

  3438. vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"

  3439. 

  3440. # EXTRALIBS_LIST

  3441. cpu_init_extralibs="pthreads_extralibs"

  3442. cws2fws_extralibs="zlib_extralibs"

  3443. 

  3444. # libraries, in linking order

  3445. avcodec_deps="avutil"

  3446. avcodec_suggest="libm"

  3447. avcodec_select="null_bsf"

  3448. avdevice_deps="avformat avcodec avutil"

  3449. avdevice_suggest="libm"

  3450. avfilter_deps="avutil"

  3451. avfilter_suggest="libm"

  3452. avformat_deps="avcodec avutil"

  3453. avformat_suggest="libm network zlib"

  3454. avresample_deps="avutil"

  3455. avresample_suggest="libm"

  3456. avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"

  3457. postproc_deps="avutil gpl"

  3458. postproc_suggest="libm"

  3459. swresample_deps="avutil"

  3460. swresample_suggest="libm libsoxr"

  3461. swscale_deps="avutil"

  3462. swscale_suggest="libm"

  3463. 

  3464. avcodec_extralibs="pthreads_extralibs iconv_extralibs"

  3465. avfilter_extralibs="pthreads_extralibs"

  3466. avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"

  3467. 

  3468. # programs

  3469. ffmpeg_deps="avcodec avfilter avformat"

  3470. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3471.                null_filter

  3472.                trim_filter"

  3473. ffmpeg_suggest="ole32 psapi shell32"

  3474. ffplay_deps="avcodec avformat swscale swresample sdl2"

  3475. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3476. ffplay_suggest="shell32"

  3477. ffprobe_deps="avcodec avformat"

  3478. ffprobe_suggest="shell32"

  3479. 

  3480. # documentation

  3481. podpages_deps="perl"

  3482. manpages_deps="perl pod2man"

  3483. htmlpages_deps="perl"

  3484. htmlpages_deps_any="makeinfo_html texi2html"

  3485. txtpages_deps="perl makeinfo"

  3486. doc_deps_any="manpages htmlpages podpages txtpages"

  3487. 

  3488. # default parameters

  3489. 

  3490. logfile="ffbuild/config.log"

  3491. 

  3492. # installation paths

  3493. prefix_default="/usr/local"

  3494. bindir_default='${prefix}/bin'

  3495. datadir_default='${prefix}/share/ffmpeg'

  3496. docdir_default='${prefix}/share/doc/ffmpeg'

  3497. incdir_default='${prefix}/include'

  3498. libdir_default='${prefix}/lib'

  3499. mandir_default='${prefix}/share/man'

  3500. 

  3501. # toolchain

  3502. ar_default="ar"

  3503. cc_default="gcc"

  3504. cxx_default="g++"

  3505. host_cc_default="gcc"

  3506. doxygen_default="doxygen"

  3507. install="install"

  3508. ln_s_default="ln -s -f"

  3509. nm_default="nm -g"

  3510. pkg_config_default=pkg-config

  3511. ranlib_default="ranlib"

  3512. strip_default="strip"

  3513. version_script='--version-script'

  3514. objformat="elf32"

  3515. x86asmexe_default="nasm"

  3516. windres_default="windres"

  3517. nvcc_default="nvcc"

  3518. nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"

  3519. striptype="direct"

  3520. 

  3521. # OS

  3522. target_os_default=$(tolower $(uname -s))

  3523. host_os=$target_os_default

  3524. 

  3525. # machine

  3526. if test "$target_os_default" = aix; then

  3527.     arch_default=$(uname -p)

  3528.     strip_default="strip -X32_64"

  3529. else

  3530.     arch_default=$(uname -m)

  3531. fi

  3532. cpu="generic"

  3533. intrinsics="none"

  3534. 

  3535. # configurable options

  3536. enable $PROGRAM_LIST

  3537. enable $DOCUMENT_LIST

  3538. enable $EXAMPLE_LIST

  3539. enable $(filter_out avresample $LIBRARY_LIST)

  3540. enable stripping

  3541. 

  3542. enable asm

  3543. enable debug

  3544. enable doc

  3545. enable faan faandct faanidct

  3546. enable optimizations

  3547. enable runtime_cpudetect

  3548. enable safe_bitstream_reader

  3549. enable static

  3550. enable swscale_alpha

  3551. enable valgrind_backtrace

  3552. 

  3553. sws_max_filter_size_default=256

  3554. set_default sws_max_filter_size

  3555. 

  3556. # internal components are enabled by default

  3557. enable $EXTRALIBS_LIST

  3558. 

  3559. # Avoid external, non-system, libraries getting enabled by dependency resolution

  3560. disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST

  3561. 

  3562. # build settings

  3563. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3564. LIBPREF="lib"

  3565. LIBSUF=".a"

  3566. FULLNAME='$(NAME)$(BUILDSUF)'

  3567. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3568. SLIBPREF="lib"

  3569. SLIBSUF=".so"

  3570. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3571. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3572. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3573. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3574. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3575. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3576. VERSION_SCRIPT_POSTPROCESS_CMD="cat"

  3577. 

  3578. asflags_filter=echo

  3579. cflags_filter=echo

  3580. ldflags_filter=echo

  3581. 

  3582. AS_C='-c'

  3583. AS_O='-o $@'

  3584. CC_C='-c'

  3585. CC_E='-E -o $@'

  3586. CC_O='-o $@'

  3587. CXX_C='-c'

  3588. CXX_O='-o $@'

  3589. OBJCC_C='-c'

  3590. OBJCC_E='-E -o $@'

  3591. OBJCC_O='-o $@'

  3592. X86ASM_O='-o $@'

  3593. LD_O='-o $@'

  3594. LD_LIB='-l%'

  3595. LD_PATH='-L'

  3596. HOSTCC_C='-c'

  3597. HOSTCC_E='-E -o $@'

  3598. HOSTCC_O='-o $@'

  3599. HOSTLD_O='-o $@'

  3600. NVCC_C='-c'

  3601. NVCC_O='-o $@'

  3602. 

  3603. host_extralibs='-lm'

  3604. host_cflags_filter=echo

  3605. host_ldflags_filter=echo

  3606. 

  3607. target_path='$(CURDIR)'

  3608. 

  3609. # since the object filename is not given with the -MM flag, the compiler

  3610. # is only able to print the basename, and we must add the path ourselves

  3611. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3612. DEPFLAGS='-MM'

  3613. 

  3614. mkdir -p ffbuild

  3615. 

  3616. # find source path

  3617. if test -f configure; then

  3618.     source_path=.

  3619. else

  3620.     source_path=$(cd $(dirname "$0"); pwd)

  3621.     case "$source_path" in

  3622.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3623.     esac

  3624.     test -e "$source_path/config.h" &&

  3625.         die "Out of tree builds are impossible with config.h in source dir."

  3626. fi

  3627. 

  3628. for v in "$@"; do

  3629.     r=${v#*=}

  3630.     l=${v%"$r"}

  3631.     r=$(sh_quote "$r")

  3632.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3633. done

  3634. 

  3635. find_things_extern(){

  3636.     thing=$1

  3637.     pattern=$2

  3638.     file=$source_path/$3

  3639.     out=${4:-$thing}

  3640.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"

  3641. }

  3642. 

  3643. find_filters_extern(){

  3644.     file=$source_path/$1

  3645.     #sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file

  3646.     sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file

  3647. }

  3648. 

  3649. FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)

  3650. OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)

  3651. INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)

  3652. MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)

  3653. DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)

  3654. ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)

  3655. DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)

  3656. CODEC_LIST="

  3657.     $ENCODER_LIST

  3658.     $DECODER_LIST

  3659. "

  3660. PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)

  3661. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3662. HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)

  3663. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3664. 

  3665. AVCODEC_COMPONENTS_LIST="

  3666.     $BSF_LIST

  3667.     $DECODER_LIST

  3668.     $ENCODER_LIST

  3669.     $HWACCEL_LIST

  3670.     $PARSER_LIST

  3671. "

  3672. 

  3673. AVDEVICE_COMPONENTS_LIST="

  3674.     $INDEV_LIST

  3675.     $OUTDEV_LIST

  3676. "

  3677. 

  3678. AVFILTER_COMPONENTS_LIST="

  3679.     $FILTER_LIST

  3680. "

  3681. 

  3682. AVFORMAT_COMPONENTS_LIST="

  3683.     $DEMUXER_LIST

  3684.     $MUXER_LIST

  3685.     $PROTOCOL_LIST

  3686. "

  3687. 

  3688. ALL_COMPONENTS="

  3689.     $AVCODEC_COMPONENTS_LIST

  3690.     $AVDEVICE_COMPONENTS_LIST

  3691.     $AVFILTER_COMPONENTS_LIST

  3692.     $AVFORMAT_COMPONENTS_LIST

  3693. "

  3694. 

  3695. for n in $COMPONENT_LIST; do

  3696.     v=$(toupper ${n%s})_LIST

  3697.     eval enable \$$v

  3698.     eval ${n}_if_any="\$$v"

  3699. done

  3700. 

  3701. enable $ARCH_EXT_LIST

  3702. 

  3703. die_unknown(){

  3704.     echo "Unknown option \"$1\"."

  3705.     echo "See $0 --help for available options."

  3706.     exit 1

  3707. }

  3708. 

  3709. print_in_columns() {

  3710.     cols=$(expr $ncols / 24)

  3711.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3712. }

  3713. 

  3714. show_list() {

  3715.     suffix=_$1

  3716.     shift

  3717.     echo $* | sed s/$suffix//g | print_in_columns

  3718.     exit 0

  3719. }

  3720. 

  3721. rand_list(){

  3722.     IFS=', '

  3723.     set -- $*

  3724.     unset IFS

  3725.     for thing; do

  3726.         comp=${thing%:*}

  3727.         prob=${thing#$comp}

  3728.         prob=${prob#:}

  3729.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3730.         echo "prob ${prob:-0.5}"

  3731.         printf '%s\n' $comp

  3732.     done

  3733. }

  3734. 

  3735. do_random(){

  3736.     action=$1

  3737.     shift

  3738.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3739.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3740. }

  3741. 

  3742. for opt do

  3743.     optval="${opt#*=}"

  3744.     case "$opt" in

  3745.         --extra-ldflags=*)

  3746.             add_ldflags $optval

  3747.         ;;

  3748.         --extra-ldexeflags=*)

  3749.             add_ldexeflags $optval

  3750.         ;;

  3751.         --extra-ldsoflags=*)

  3752.             add_ldsoflags $optval

  3753.         ;;

  3754.         --extra-ldlibflags=*)

  3755.             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\

  3756.                  "removed in the future. Use --extra-ldsoflags instead."

  3757.             add_ldsoflags $optval

  3758.         ;;

  3759.         --extra-libs=*)

  3760.             add_extralibs $optval

  3761.         ;;

  3762.         --disable-devices)

  3763.             disable $INDEV_LIST $OUTDEV_LIST

  3764.         ;;

  3765.         --enable-debug=*)

  3766.             debuglevel="$optval"

  3767.         ;;

  3768.         --disable-programs)

  3769.             disable $PROGRAM_LIST

  3770.         ;;

  3771.         --disable-everything)

  3772.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3773.         ;;

  3774.         --disable-all)

  3775.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3776.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3777.             enable avutil

  3778.         ;;

  3779.         --enable-random|--disable-random)

  3780.             action=${opt%%-random}

  3781.             do_random ${action#--} $COMPONENT_LIST

  3782.         ;;

  3783.         --enable-random=*|--disable-random=*)

  3784.             action=${opt%%-random=*}

  3785.             do_random ${action#--} $optval

  3786.         ;;

  3787.         --enable-sdl)

  3788.             enable sdl2

  3789.         ;;

  3790.         --enable-*=*|--disable-*=*)

  3791.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3792.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3793.             eval list=\$$(toupper $thing)_LIST

  3794.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3795.             list=$(filter "$name" $list)

  3796.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3797.             $action $list

  3798.         ;;

  3799.         --enable-yasm|--disable-yasm)

  3800.             warn "The ${opt} option is only provided for compatibility and will be\n"\

  3801.                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."

  3802.             test $opt = --enable-yasm && x86asm=yes || x86asm=no

  3803.         ;;

  3804.         --yasmexe=*)

  3805.             warn "The --yasmexe option is only provided for compatibility and will be\n"\

  3806.                  "removed in the future. Use --x86asmexe instead."

  3807.             x86asmexe="$optval"

  3808.         ;;

  3809.         --enable-?*|--disable-?*)

  3810.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3811.             if is_in $option $COMPONENT_LIST; then

  3812.                 test $action = disable && action=unset

  3813.                 eval $action \$$(toupper ${option%s})_LIST

  3814.             elif is_in $option $CMDLINE_SELECT; then

  3815.                 $action $option

  3816.             else

  3817.                 die_unknown $opt

  3818.             fi

  3819.         ;;

  3820.         --list-*)

  3821.             NAME="${opt#--list-}"

  3822.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3823.             NAME=${NAME%s}

  3824.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3825.         ;;

  3826.         --help|-h) show_help

  3827.         ;;

  3828.         --quiet|-q) quiet=yes

  3829.         ;;

  3830.         --fatal-warnings) enable fatal_warnings

  3831.         ;;

  3832.         --libfuzzer=*)

  3833.             libfuzzer_path="$optval"

  3834.         ;;

  3835.         *)

  3836.             optname="${opt%%=*}"

  3837.             optname="${optname#--}"

  3838.             optname=$(echo "$optname" | sed 's/-/_/g')

  3839.             if is_in $optname $CMDLINE_SET; then

  3840.                 eval $optname='$optval'

  3841.             elif is_in $optname $CMDLINE_APPEND; then

  3842.                 append $optname "$optval"

  3843.             else

  3844.                 die_unknown $opt

  3845.             fi

  3846.         ;;

  3847.     esac

  3848. done

  3849. 

  3850. for e in $env; do

  3851.     eval "export $e"

  3852. done

  3853. 

  3854. if disabled autodetect; then

  3855. 

  3856.     # Unless iconv is explicitely disabled by the user, we still want to probe

  3857.     # for the iconv from the libc.

  3858.     disabled iconv || enable libc_iconv

  3859. 

  3860.     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3861.     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3862. fi

  3863. # Mark specifically enabled, but normally autodetected libraries as requested.

  3864. for lib in $AUTODETECT_LIBS; do

  3865.     enabled $lib && request $lib

  3866. done

  3867. #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way

  3868. enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3869. enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3870. 

  3871. disabled logging && logfile=/dev/null

  3872. 

  3873. # command line configuration sanity checks

  3874. 

  3875. # we need to build at least one lib type

  3876. if ! enabled_any static shared; then

  3877.     cat <<EOF

  3878. At least one library type must be built.

  3879. Specify --enable-static to build the static libraries or --enable-shared to

  3880. build the shared libraries as well. To only build the shared libraries specify

  3881. --disable-static in addition to --enable-shared.

  3882. EOF

  3883.     exit 1

  3884. fi

  3885. 

  3886. die_license_disabled() {

  3887.     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }

  3888. }

  3889. 

  3890. die_license_disabled_gpl() {

  3891.     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }

  3892. }

  3893. 

  3894. map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3895. map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3896. 

  3897. enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST

  3898. map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST

  3899. 

  3900. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  3901. 

  3902. if enabled nonfree; then

  3903.     license="nonfree and unredistributable"

  3904. elif enabled gplv3; then

  3905.     license="GPL version 3 or later"

  3906. elif enabled lgplv3; then

  3907.     license="LGPL version 3 or later"

  3908. elif enabled gpl; then

  3909.     license="GPL version 2 or later"

  3910. else

  3911.     license="LGPL version 2.1 or later"

  3912. fi

  3913. 

  3914. enabled_all gnutls openssl &&

  3915.     die "GnuTLS and OpenSSL must not be enabled at the same time."

  3916. 

  3917. # Disable all the library-specific components if the library itself

  3918. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3919. 

  3920. disable_components(){

  3921.     disabled ${1} && disable $(

  3922.         eval components="\$$(toupper ${1})_COMPONENTS"

  3923.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3924.     )

  3925. }

  3926. 

  3927. map 'disable_components $v' $LIBRARY_LIST

  3928. 

  3929. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3930. set >> $logfile

  3931. 

  3932. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3933. 

  3934. enabled ossfuzz && {

  3935.     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer

  3936.     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp

  3937. }

  3938. 

  3939. case "$toolchain" in

  3940.     *-asan)

  3941.         cc_default="${toolchain%-asan}"

  3942.         add_cflags  -fsanitize=address

  3943.         add_ldflags -fsanitize=address

  3944.     ;;

  3945.     *-msan)

  3946.         cc_default="${toolchain%-msan}"

  3947.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  3948.         add_ldflags -fsanitize=memory

  3949.     ;;

  3950.     *-tsan)

  3951.         cc_default="${toolchain%-tsan}"

  3952.         add_cflags  -fsanitize=thread -fPIE

  3953.         add_ldflags -fsanitize=thread -pie

  3954.         case "$toolchain" in

  3955.             gcc-tsan)

  3956.                 add_cflags  -fPIC

  3957.                 add_ldflags -fPIC

  3958.                 ;;

  3959.         esac

  3960.     ;;

  3961.     *-usan)

  3962.         cc_default="${toolchain%-usan}"

  3963.         add_cflags  -fsanitize=undefined

  3964.         add_ldflags -fsanitize=undefined

  3965.     ;;

  3966.     valgrind-*)

  3967.         target_exec_default="valgrind"

  3968.         case "$toolchain" in

  3969.             valgrind-massif)

  3970.                 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"

  3971.                 ;;

  3972.             valgrind-memcheck)

  3973.                 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"

  3974.                 ;;

  3975.         esac

  3976.     ;;

  3977.     msvc)

  3978.         # Check whether the current MSVC version needs the C99 converter.

  3979.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3980.         # support enough of C99 to build ffmpeg. Default to the new

  3981.         # behaviour if the regexp was unable to match anything, since this

  3982.         # successfully parses the version number of existing supported

  3983.         # versions that require the converter (MSVC 2010 and 2012).

  3984.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3985.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3986.             cc_default="cl"

  3987.             cxx_default="cl"

  3988.         else

  3989.             cc_default="c99wrap cl"

  3990.             cxx_default="c99wrap cl"

  3991.         fi

  3992.         ld_default="$source_path/compat/windows/mslink"

  3993.         nm_default="dumpbin -symbols"

  3994.         ar_default="lib"

  3995.         case "$arch" in

  3996.         aarch64|arm64)

  3997.             as_default="armasm64"

  3998.             ;;

  3999.         arm*)

  4000.             as_default="armasm"

  4001.             ;;

  4002.         esac

  4003.         target_os_default="win32"

  4004.         # Use a relative path for TMPDIR. This makes sure all the

  4005.         # ffconf temp files are written with a relative path, avoiding

  4006.         # issues with msys/win32 path conversion for MSVC parameters

  4007.         # such as -Fo<file> or -out:<file>.

  4008.         TMPDIR=.

  4009.     ;;

  4010.     icl)

  4011.         cc_default="icl"

  4012.         ld_default="xilink"

  4013.         nm_default="dumpbin -symbols"

  4014.         ar_default="xilib"

  4015.         target_os_default="win32"

  4016.         TMPDIR=.

  4017.     ;;

  4018.     gcov)

  4019.         add_cflags  -fprofile-arcs -ftest-coverage

  4020.         add_ldflags -fprofile-arcs -ftest-coverage

  4021.     ;;

  4022.     llvm-cov)

  4023.         add_cflags -fprofile-arcs -ftest-coverage

  4024.         add_ldflags --coverage

  4025.     ;;

  4026.     hardened)

  4027.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  4028.         add_cflags   -fno-strict-overflow -fstack-protector-all

  4029.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  4030.         add_cflags   -fPIE

  4031.         add_ldexeflags -fPIE -pie

  4032.     ;;

  4033.     ?*)

  4034.         die "Unknown toolchain $toolchain"

  4035.     ;;

  4036. esac

  4037. 

  4038. if test -n "$cross_prefix"; then

  4039.     test -n "$arch" && test -n "$target_os" ||

  4040.         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"

  4041.     enable cross_compile

  4042. fi

  4043. 

  4044. ar_default="${cross_prefix}${ar_default}"

  4045. cc_default="${cross_prefix}${cc_default}"

  4046. cxx_default="${cross_prefix}${cxx_default}"

  4047. nm_default="${cross_prefix}${nm_default}"

  4048. pkg_config_default="${cross_prefix}${pkg_config_default}"

  4049. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  4050.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  4051. else

  4052.     ranlib_default="${cross_prefix}${ranlib_default}"

  4053. fi

  4054. strip_default="${cross_prefix}${strip_default}"

  4055. windres_default="${cross_prefix}${windres_default}"

  4056. 

  4057. sysinclude_default="${sysroot}/usr/include"

  4058. 

  4059. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  4060.     target_exec target_os x86asmexe nvcc

  4061. enabled cross_compile || host_cc_default=$cc

  4062. set_default host_cc

  4063. 

  4064. pkg_config_fail_message=""

  4065. if ! $pkg_config --version >/dev/null 2>&1; then

  4066.     warn "$pkg_config not found, library detection may fail."

  4067.     pkg_config=false

  4068. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  4069.     pkg_config_fail_message="

  4070. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  4071. fi

  4072. 

  4073. if test $doxygen != $doxygen_default && \

  4074.   ! $doxygen --version >/dev/null 2>&1; then

  4075.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  4076. fi

  4077. 

  4078. exesuf() {

  4079.     case $1 in

  4080.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  4081.     esac

  4082. }

  4083. 

  4084. EXESUF=$(exesuf $target_os)

  4085. HOSTEXESUF=$(exesuf $host_os)

  4086. 

  4087. # set temporary file name

  4088. : ${TMPDIR:=$TEMPDIR}

  4089. : ${TMPDIR:=$TMP}

  4090. : ${TMPDIR:=/tmp}

  4091. 

  4092. if [ -n "$tempprefix" ] ; then

  4093.     mktemp(){

  4094.         tmpname="$tempprefix.${HOSTNAME}.${UID}"

  4095.         echo "$tmpname"

  4096.         mkdir "$tmpname"

  4097.     }

  4098. elif ! test_cmd mktemp -u XXXXXX; then

  4099.     # simple replacement for missing mktemp

  4100.     # NOT SAFE FOR GENERAL USE

  4101.     mktemp(){

  4102.         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  4103.         echo "$tmpname"

  4104.         mkdir "$tmpname"

  4105.     }

  4106. fi

  4107. 

  4108. FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||

  4109.     die "Unable to create temporary directory in $TMPDIR."

  4110. 

  4111. tmpfile(){

  4112.     tmp="${FFTMPDIR}/test"$2

  4113.     (set -C; exec > $tmp) 2> /dev/null ||

  4114.         die "Unable to create temporary file in $FFTMPDIR."

  4115.     eval $1=$tmp

  4116. }

  4117. 

  4118. trap 'rm -rf -- "$FFTMPDIR"' EXIT

  4119. trap 'exit 2' INT

  4120. 

  4121. tmpfile TMPASM .asm

  4122. tmpfile TMPC   .c

  4123. tmpfile TMPCPP .cpp

  4124. tmpfile TMPE   $EXESUF

  4125. tmpfile TMPH   .h

  4126. tmpfile TMPM   .m

  4127. tmpfile TMPO   .o

  4128. tmpfile TMPS   .S

  4129. tmpfile TMPSH  .sh

  4130. tmpfile TMPV   .ver

  4131. 

  4132. unset -f mktemp

  4133. 

  4134. chmod +x $TMPE

  4135. 

  4136. # make sure we can execute files in $TMPDIR

  4137. cat > $TMPSH 2>> $logfile <<EOF

  4138. #! /bin/sh

  4139. EOF

  4140. chmod +x $TMPSH >> $logfile 2>&1

  4141. if ! $TMPSH >> $logfile 2>&1; then

  4142.     cat <<EOF

  4143. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  4144. variable to another directory and make sure that it is not mounted noexec.

  4145. EOF

  4146.     die "Sanity test failed."

  4147. fi

  4148. 

  4149. armasm_flags(){

  4150.     for flag; do

  4151.         case $flag in

  4152.             # Filter out MSVC cl.exe options from cflags that shouldn't

  4153.             # be passed to gas-preprocessor

  4154.             -M[TD]*)                                            ;;

  4155.             *)                  echo $flag                      ;;

  4156.         esac

  4157.    done

  4158. }

  4159. 

  4160. cparser_flags(){

  4161.     for flag; do

  4162.         case $flag in

  4163.             -Wno-switch)             echo -Wno-switch-enum ;;

  4164.             -Wno-format-zero-length) ;;

  4165.             -Wdisabled-optimization) ;;

  4166.             -Wno-pointer-sign)       echo -Wno-other ;;

  4167.             *)                       echo $flag ;;

  4168.         esac

  4169.     done

  4170. }

  4171. 

  4172. msvc_common_flags(){

  4173.     for flag; do

  4174.         case $flag in

  4175.             # In addition to specifying certain flags under the compiler

  4176.             # specific filters, they must be specified here as well or else the

  4177.             # generic catch all at the bottom will print the original flag.

  4178.             -Wall)                ;;

  4179.             -Wextra)              ;;

  4180.             -std=c99)             ;;

  4181.             # Common flags

  4182.             -fomit-frame-pointer) ;;

  4183.             -g)                   echo -Z7 ;;

  4184.             -fno-math-errno)      ;;

  4185.             -fno-common)          ;;

  4186.             -fno-signed-zeros)    ;;

  4187.             -fPIC)                ;;

  4188.             -mthumb)              ;;

  4189.             -march=*)             ;;

  4190.             -lz)                  echo zlib.lib ;;

  4191.             -lx264)               echo libx264.lib ;;

  4192.             -lstdc++)             ;;

  4193.             -l*)                  echo ${flag#-l}.lib ;;

  4194.             -LARGEADDRESSAWARE)   echo $flag ;;

  4195.             -L*)                  echo -libpath:${flag#-L} ;;

  4196.             *)                    echo $flag ;;

  4197.         esac

  4198.     done

  4199. }

  4200. 

  4201. msvc_flags(){

  4202.     msvc_common_flags "$@"

  4203.     for flag; do

  4204.         case $flag in

  4205.             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \

  4206.                                        -wd4554 ;;

  4207.             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  4208.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  4209.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  4210.                                        -wd4307 \

  4211.                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;

  4212.         esac

  4213.     done

  4214. }

  4215. 

  4216. icl_flags(){

  4217.     msvc_common_flags "$@"

  4218.     for flag; do

  4219.         case $flag in

  4220.             # Despite what Intel's documentation says -Wall, which is supported

  4221.             # on Windows, does enable remarks so disable them here.

  4222.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  4223.             -std=c99)             echo -Qstd=c99 ;;

  4224.             -flto)                echo -ipo ;;

  4225.         esac

  4226.     done

  4227. }

  4228. 

  4229. icc_flags(){

  4230.     for flag; do

  4231.         case $flag in

  4232.             -flto)                echo -ipo ;;

  4233.             *)                    echo $flag ;;

  4234.         esac

  4235.     done

  4236. }

  4237. 

  4238. suncc_flags(){

  4239.     for flag; do

  4240.         case $flag in

  4241.             -march=*|-mcpu=*)

  4242.                 case "${flag#*=}" in

  4243.                     native)                   echo -xtarget=native       ;;

  4244.                     v9|niagara)               echo -xarch=sparc          ;;

  4245.                     ultrasparc)               echo -xarch=sparcvis       ;;

  4246.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  4247.                     i586|pentium)             echo -xchip=pentium        ;;

  4248.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  4249.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  4250.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  4251.                     pentium4*)          echo -xtarget=pentium4           ;;

  4252.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  4253.                     *-sse3)             echo -xarch=sse3                 ;;

  4254.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  4255.                     bonnell)                   echo -xarch=ssse3         ;;

  4256.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  4257.                     westmere)                  echo -xtarget=westmere    ;;

  4258.                     silvermont)                echo -xarch=sse4_2        ;;

  4259.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  4260.                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)

  4261.                                                echo -xarch=avx           ;;

  4262.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  4263.                     btver1)                    echo -xarch=amdsse4a      ;;

  4264.                     btver2|bdver*|znver*)      echo -xarch=avx           ;;

  4265.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  4266.                     k8|opteron|athlon64|athlon-fx)

  4267.                                                echo -xarch=sse2a         ;;

  4268.                     athlon*)                   echo -xarch=pentium_proa  ;;

  4269.                 esac

  4270.                 ;;

  4271.             -std=c99)             echo -xc99              ;;

  4272.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  4273.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  4274.             -W*,*)                echo $flag              ;;

  4275.             -f*-*|-W*|-mimpure-text)                      ;;

  4276.             -shared)              echo -G                 ;;

  4277.             *)                    echo $flag              ;;

  4278.         esac

  4279.     done

  4280. }

  4281. 

  4282. probe_cc(){

  4283.     pfx=$1

  4284.     _cc=$2

  4285.     first=$3

  4286. 

  4287.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  4288.     unset _ld_o _ldflags _ld_lib _ld_path

  4289.     unset _depflags _DEPCMD _DEPFLAGS

  4290.     _flags_filter=echo

  4291. 

  4292.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  4293.         true # no-op to avoid reading stdin in following checks

  4294.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  4295.         _type=llvm_gcc

  4296.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  4297.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  4298.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4299.         _cflags_speed='-O3'

  4300.         _cflags_size='-Os'

  4301.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  4302.         _type=gcc

  4303.         gcc_version=$($_cc --version | head -n1)

  4304.         gcc_basever=$($_cc -dumpversion)

  4305.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  4306.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  4307.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  4308.         case $gcc_basever in

  4309.             2) ;;

  4310.             2.*) ;;

  4311.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  4312.         esac

  4313.         if [ "$first" = true ]; then

  4314.             case $gcc_basever in

  4315.                 4.2*)

  4316.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  4317.             esac

  4318.         fi

  4319.         _cflags_speed='-O3'

  4320.         _cflags_size='-Os'

  4321.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  4322.         _type=icc

  4323.         _ident=$($_cc --version | head -n1)

  4324.         _depflags='-MMD'

  4325.         _cflags_speed='-O3'

  4326.         _cflags_size='-Os'

  4327.         _cflags_noopt='-O1'

  4328.         _flags_filter=icc_flags

  4329.     elif $_cc -v 2>&1 | grep -q xlc; then

  4330.         _type=xlc

  4331.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  4332.         _cflags_speed='-O5'

  4333.         _cflags_size='-O5 -qcompact'

  4334.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  4335.         test -d "$sysroot" || die "No valid sysroot specified."

  4336.         _type=armcc

  4337.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  4338.         armcc_conf="$PWD/armcc.conf"

  4339.         $_cc --arm_linux_configure                 \

  4340.              --arm_linux_config_file="$armcc_conf" \

  4341.              --configure_sysroot="$sysroot"        \

  4342.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  4343.              die "Error creating armcc configuration file."

  4344.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  4345.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  4346.         as_default="${cross_prefix}gcc"

  4347.         _depflags='-MMD'

  4348.         _cflags_speed='-O3'

  4349.         _cflags_size='-Os'

  4350.     elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then

  4351.         _type=clang

  4352.         _ident=$($_cc --version 2>/dev/null | head -n1)

  4353.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4354.         _cflags_speed='-O3'

  4355.         _cflags_size='-Oz'

  4356.     elif $_cc -V 2>&1 | grep -q Sun; then

  4357.         _type=suncc

  4358.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  4359.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  4360.         _DEPFLAGS='-xM1 -xc99'

  4361.         _ldflags='-std=c99'

  4362.         _cflags_speed='-O5'

  4363.         _cflags_size='-O5 -xspace'

  4364.         _flags_filter=suncc_flags

  4365.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  4366.         _type=pathscale

  4367.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4368.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4369.         _cflags_speed='-O2'

  4370.         _cflags_size='-Os'

  4371.         _flags_filter='filter_out -Wdisabled-optimization'

  4372.     elif $_cc -v 2>&1 | grep -q Open64; then

  4373.         _type=open64

  4374.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4375.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4376.         _cflags_speed='-O2'

  4377.         _cflags_size='-Os'

  4378.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  4379.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  4380.         _type=armasm

  4381.         _ident=$($_cc | head -n1)

  4382.         # 4509: "This form of conditional instruction is deprecated"

  4383.         _flags="-nologo -ignore 4509"

  4384.         _flags_filter=armasm_flags

  4385.     elif $_cc 2>&1 | grep -q Intel; then

  4386.         _type=icl

  4387.         _ident=$($_cc 2>&1 | head -n1)

  4388.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  4389.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  4390.         # versions (tested) as well.

  4391.         _cflags_speed="-O2"

  4392.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  4393.         if $_cc 2>&1 | grep -q Linker; then

  4394.             _ld_o='-out:$@'

  4395.         else

  4396.             _ld_o='-Fe$@'

  4397.         fi

  4398.         _cc_o='-Fo$@'

  4399.         _cc_e='-P'

  4400.         _flags_filter=icl_flags

  4401.         _ld_lib='lib%.a'

  4402.         _ld_path='-libpath:'

  4403.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  4404.         _flags='-nologo -Qdiag-error:4044,10157'

  4405.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  4406.         # with MSVC which enables it by default.

  4407.         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  4408.         disable stripping

  4409.     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then

  4410.         # lld can emulate multiple different linkers; in ms link.exe mode,

  4411.         # the -? parameter gives the help output which contains an identifyable

  4412.         # string, while it gives an error in other modes.

  4413.         _type=lld-link

  4414.         # The link.exe mode doesn't have a switch for getting the version,

  4415.         # but we can force it back to gnu mode and get the version from there.

  4416.         _ident=$($_cc -flavor gnu --version 2>/dev/null)

  4417.         _ld_o='-out:$@'

  4418.         _flags_filter=msvc_flags

  4419.         _ld_lib='lib%.a'

  4420.         _ld_path='-libpath:'

  4421.     elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then

  4422.         _type=msvc

  4423.         _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')

  4424.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  4425.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  4426.         _cflags_speed="-O2"

  4427.         _cflags_size="-O1"

  4428.         _cflags_noopt="-O1"

  4429.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4430.             _ld_o='-out:$@'

  4431.         else

  4432.             _ld_o='-Fe$@'

  4433.         fi

  4434.         _cc_o='-Fo$@'

  4435.         _cc_e='-P -Fi$@'

  4436.         _flags_filter=msvc_flags

  4437.         _ld_lib='lib%.a'

  4438.         _ld_path='-libpath:'

  4439.         _flags='-nologo'

  4440.         disable stripping

  4441.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4442.         _type=cparser

  4443.         _ident=$($_cc --version | head -n1)

  4444.         _depflags='-MMD'

  4445.         _cflags_speed='-O4'

  4446.         _cflags_size='-O2'

  4447.         _flags_filter=cparser_flags

  4448.     fi

  4449. 

  4450.     eval ${pfx}_type=\$_type

  4451.     eval ${pfx}_ident=\$_ident

  4452. }

  4453. 

  4454. set_ccvars(){

  4455.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4456.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4457.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4458. 

  4459.     if [ -n "$_depflags" ]; then

  4460.         eval ${1}_DEPFLAGS=\$_depflags

  4461.     else

  4462.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4463.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4464.         eval DEP${1}FLAGS=\$_flags

  4465.     fi

  4466. }

  4467. 

  4468. probe_cc cc "$cc" "true"

  4469. cflags_filter=$_flags_filter

  4470. cflags_speed=$_cflags_speed

  4471. cflags_size=$_cflags_size

  4472. cflags_noopt=$_cflags_noopt

  4473. add_cflags $_flags $_cflags

  4474. cc_ldflags=$_ldflags

  4475. set_ccvars CC

  4476. set_ccvars CXX

  4477. 

  4478. probe_cc hostcc "$host_cc"

  4479. host_cflags_filter=$_flags_filter

  4480. host_cflags_speed=$_cflags_speed

  4481. add_host_cflags  $_flags $_cflags

  4482. set_ccvars HOSTCC

  4483. 

  4484. test -n "$cc_type" && enable $cc_type ||

  4485.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4486. 

  4487. : ${as_default:=$cc}

  4488. : ${objcc_default:=$cc}

  4489. : ${dep_cc_default:=$cc}

  4490. : ${ld_default:=$cc}

  4491. : ${host_ld_default:=$host_cc}

  4492. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4493. 

  4494. probe_cc as "$as"

  4495. asflags_filter=$_flags_filter

  4496. add_asflags $_flags $_cflags

  4497. set_ccvars AS

  4498. 

  4499. probe_cc objcc "$objcc"

  4500. objcflags_filter=$_flags_filter

  4501. add_objcflags $_flags $_cflags

  4502. set_ccvars OBJC

  4503. 

  4504. probe_cc ld "$ld"

  4505. ldflags_filter=$_flags_filter

  4506. add_ldflags $_flags $_ldflags

  4507. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4508. LD_O=${_ld_o-$LD_O}

  4509. LD_LIB=${_ld_lib-$LD_LIB}

  4510. LD_PATH=${_ld_path-$LD_PATH}

  4511. 

  4512. probe_cc hostld "$host_ld"

  4513. host_ldflags_filter=$_flags_filter

  4514. add_host_ldflags $_flags $_ldflags

  4515. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4516. 

  4517. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4518.     probe_cc depcc "$dep_cc"

  4519.     CCDEP=${_DEPCMD:-$DEPCMD}

  4520.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4521.     DEPCCFLAGS=$_flags

  4522. fi

  4523. 

  4524. if $ar 2>&1 | grep -q Microsoft; then

  4525.     arflags="-nologo"

  4526.     ar_o='-out:$@'

  4527. elif $ar 2>&1 | grep -q "\[D\] "; then

  4528.     arflags="rcD"

  4529.     ar_o='$@'

  4530. else

  4531.     arflags="rc"

  4532.     ar_o='$@'

  4533. fi

  4534. 

  4535. add_cflags $extra_cflags

  4536. add_cxxflags $extra_cxxflags

  4537. add_objcflags $extra_objcflags

  4538. add_asflags $extra_cflags

  4539. 

  4540. if test -n "$sysroot"; then

  4541.     case "$cc_type" in

  4542.         gcc|llvm_gcc|clang)

  4543.             add_cppflags --sysroot="$sysroot"

  4544.             add_ldflags --sysroot="$sysroot"

  4545.         ;;

  4546.     esac

  4547. fi

  4548. 

  4549. if test "$cpu" = host; then

  4550.     enabled cross_compile &&

  4551.         die "--cpu=host makes no sense when cross-compiling."

  4552. 

  4553.     case "$cc_type" in

  4554.         gcc|llvm_gcc)

  4555.             check_native(){

  4556.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4557.                 sed -n "/cc1.*$1=/{

  4558.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4559.                             p

  4560.                             q

  4561.                         }" $TMPE

  4562.             }

  4563.             cpu=$(check_native -march || check_native -mcpu)

  4564.         ;;

  4565.         clang)

  4566.             check_native(){

  4567.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4568.                 sed -n "/cc1.*-target-cpu /{

  4569.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4570.                             p

  4571.                             q

  4572.                         }" $TMPE

  4573.             }

  4574.             cpu=$(check_native -march)

  4575.         ;;

  4576.     esac

  4577. 

  4578.     test "${cpu:-host}" = host &&

  4579.         die "--cpu=host not supported with compiler $cc"

  4580. fi

  4581. 

  4582. # Deal with common $arch aliases

  4583. case "$arch" in

  4584.     aarch64|arm64)

  4585.         arch="aarch64"

  4586.     ;;

  4587.     arm*|iPad*|iPhone*)

  4588.         arch="arm"

  4589.     ;;

  4590.     mips*|IP*)

  4591.         case "$arch" in

  4592.         *el)

  4593.             add_cppflags -EL

  4594.             add_ldflags -EL

  4595.         ;;

  4596.         *eb)

  4597.             add_cppflags -EB

  4598.             add_ldflags -EB

  4599.         ;;

  4600.         esac

  4601.         arch="mips"

  4602.     ;;

  4603.     parisc*|hppa*)

  4604.         arch="parisc"

  4605.     ;;

  4606.     "Power Macintosh"|ppc*|powerpc*)

  4607.         arch="ppc"

  4608.     ;;

  4609.     s390|s390x)

  4610.         arch="s390"

  4611.     ;;

  4612.     sh4|sh)

  4613.         arch="sh4"

  4614.     ;;

  4615.     sun4*|sparc*)

  4616.         arch="sparc"

  4617.     ;;

  4618.     tilegx|tile-gx)

  4619.         arch="tilegx"

  4620.     ;;

  4621.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4622.         arch="x86"

  4623.     ;;

  4624. esac

  4625. 

  4626. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4627. enable $arch

  4628. 

  4629. # Add processor-specific flags

  4630. if enabled aarch64; then

  4631. 

  4632.     case $cpu in

  4633.         armv*)

  4634.             cpuflags="-march=$cpu"

  4635.         ;;

  4636.         *)

  4637.             cpuflags="-mcpu=$cpu"

  4638.         ;;

  4639.     esac

  4640. 

  4641. elif enabled alpha; then

  4642. 

  4643.     cpuflags="-mcpu=$cpu"

  4644. 

  4645. elif enabled arm; then

  4646. 

  4647.     check_arm_arch() {

  4648.         test_cpp_condition stddef.h \

  4649.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4650.             $cpuflags

  4651.     }

  4652. 

  4653.     probe_arm_arch() {

  4654.         if   check_arm_arch 4;        then echo armv4

  4655.         elif check_arm_arch 4T;       then echo armv4t

  4656.         elif check_arm_arch 5;        then echo armv5

  4657.         elif check_arm_arch 5E;       then echo armv5e

  4658.         elif check_arm_arch 5T;       then echo armv5t

  4659.         elif check_arm_arch 5TE;      then echo armv5te

  4660.         elif check_arm_arch 5TEJ;     then echo armv5te

  4661.         elif check_arm_arch 6;        then echo armv6

  4662.         elif check_arm_arch 6J;       then echo armv6j

  4663.         elif check_arm_arch 6K;       then echo armv6k

  4664.         elif check_arm_arch 6Z;       then echo armv6z

  4665.         elif check_arm_arch 6KZ;      then echo armv6zk

  4666.         elif check_arm_arch 6ZK;      then echo armv6zk

  4667.         elif check_arm_arch 6T2;      then echo armv6t2

  4668.         elif check_arm_arch 7;        then echo armv7

  4669.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4670.         elif check_arm_arch 7S;       then echo armv7-a

  4671.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4672.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4673.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4674.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4675.         fi

  4676.     }

  4677. 

  4678.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4679. 

  4680.     case $cpu in

  4681.         armv*)

  4682.             cpuflags="-march=$cpu"

  4683.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4684.         ;;

  4685.         *)

  4686.             cpuflags="-mcpu=$cpu"

  4687.             case $cpu in

  4688.                 cortex-a*)                               subarch=armv7a  ;;

  4689.                 cortex-r*)                               subarch=armv7r  ;;

  4690.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4691.                 arm11*)                                  subarch=armv6   ;;

  4692.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4693.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4694.                 *)                             subarch=$(probe_arm_arch) ;;

  4695.             esac

  4696.         ;;

  4697.     esac

  4698. 

  4699.     case "$subarch" in

  4700.         armv5t*)    enable fast_clz                ;;

  4701.         armv[6-8]*)

  4702.             enable fast_clz

  4703.             disabled fast_unaligned || enable fast_unaligned

  4704.             ;;

  4705.     esac

  4706. 

  4707. elif enabled avr32; then

  4708. 

  4709.     case $cpu in

  4710.         ap7[02]0[0-2])

  4711.             subarch="avr32_ap"

  4712.             cpuflags="-mpart=$cpu"

  4713.         ;;

  4714.         ap)

  4715.             subarch="avr32_ap"

  4716.             cpuflags="-march=$cpu"

  4717.         ;;

  4718.         uc3[ab]*)

  4719.             subarch="avr32_uc"

  4720.             cpuflags="-mcpu=$cpu"

  4721.         ;;

  4722.         uc)

  4723.             subarch="avr32_uc"

  4724.             cpuflags="-march=$cpu"

  4725.         ;;

  4726.     esac

  4727. 

  4728. elif enabled bfin; then

  4729. 

  4730.     cpuflags="-mcpu=$cpu"

  4731. 

  4732. elif enabled mips; then

  4733. 

  4734.     cpuflags="-march=$cpu"

  4735. 

  4736.     if [ "$cpu" != "generic" ]; then

  4737.         disable mips32r2

  4738.         disable mips32r5

  4739.         disable mips64r2

  4740.         disable mips32r6

  4741.         disable mips64r6

  4742.         disable loongson2

  4743.         disable loongson3

  4744. 

  4745.         case $cpu in

  4746.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4747.                 enable mips32r2

  4748.                 disable msa

  4749.             ;;

  4750.             p5600|i6400|p6600)

  4751.                 disable mipsdsp

  4752.                 disable mipsdspr2

  4753.             ;;

  4754.             loongson*)

  4755.                 enable loongson2

  4756.                 enable loongson3

  4757.                 enable local_aligned

  4758.                 enable simd_align_16

  4759.                 enable fast_64bit

  4760.                 enable fast_clz

  4761.                 enable fast_cmov

  4762.                 enable fast_unaligned

  4763.                 disable aligned_stack

  4764.                 disable mipsfpu

  4765.                 disable mipsdsp

  4766.                 disable mipsdspr2

  4767.                 case $cpu in

  4768.                     loongson3*)

  4769.                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4770.                     ;;

  4771.                     loongson2e)

  4772.                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4773.                     ;;

  4774.                     loongson2f)

  4775.                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4776.                     ;;

  4777.                 esac

  4778.             ;;

  4779.             *)

  4780.                 # Unknown CPU. Disable everything.

  4781.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4782.                 disable mipsfpu

  4783.                 disable mipsdsp

  4784.                 disable mipsdspr2

  4785.                 disable msa

  4786.                 disable mmi

  4787.             ;;

  4788.         esac

  4789. 

  4790.         case $cpu in

  4791.             24kc)

  4792.                 disable mipsfpu

  4793.                 disable mipsdsp

  4794.                 disable mipsdspr2

  4795.             ;;

  4796.             24kf*)

  4797.                 disable mipsdsp

  4798.                 disable mipsdspr2

  4799.             ;;

  4800.             24kec|34kc|1004kc)

  4801.                 disable mipsfpu

  4802.                 disable mipsdspr2

  4803.             ;;

  4804.             24kef*|34kf*|1004kf*)

  4805.                 disable mipsdspr2

  4806.             ;;

  4807.             74kc)

  4808.                 disable mipsfpu

  4809.             ;;

  4810.             p5600)

  4811.                 enable mips32r5

  4812.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4813.             ;;

  4814.             i6400)

  4815.                 enable mips64r6

  4816.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4817.             ;;

  4818.             p6600)

  4819.                 enable mips64r6

  4820.                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4821.             ;;

  4822.         esac

  4823.     else

  4824.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4825.         warn 'generic cpu selected'

  4826.     fi

  4827. 

  4828. elif enabled ppc; then

  4829. 

  4830.     disable ldbrx

  4831. 

  4832.     case $(tolower $cpu) in

  4833.         601|ppc601|powerpc601)

  4834.             cpuflags="-mcpu=601"

  4835.             disable altivec

  4836.         ;;

  4837.         603*|ppc603*|powerpc603*)

  4838.             cpuflags="-mcpu=603"

  4839.             disable altivec

  4840.         ;;

  4841.         604*|ppc604*|powerpc604*)

  4842.             cpuflags="-mcpu=604"

  4843.             disable altivec

  4844.         ;;

  4845.         g3|75*|ppc75*|powerpc75*)

  4846.             cpuflags="-mcpu=750"

  4847.             disable altivec

  4848.         ;;

  4849.         g4|745*|ppc745*|powerpc745*)

  4850.             cpuflags="-mcpu=7450"

  4851.             disable vsx

  4852.         ;;

  4853.         74*|ppc74*|powerpc74*)

  4854.             cpuflags="-mcpu=7400"

  4855.             disable vsx

  4856.         ;;

  4857.         g5|970|ppc970|powerpc970)

  4858.             cpuflags="-mcpu=970"

  4859.             disable vsx

  4860.         ;;

  4861.         power[3-6]*)

  4862.             cpuflags="-mcpu=$cpu"

  4863.             disable vsx

  4864.         ;;

  4865.         power[7-8]*)

  4866.             cpuflags="-mcpu=$cpu"

  4867.         ;;

  4868.         cell)

  4869.             cpuflags="-mcpu=cell"

  4870.             enable ldbrx

  4871.             disable vsx

  4872.         ;;

  4873.         e500mc)

  4874.             cpuflags="-mcpu=e500mc"

  4875.             disable altivec

  4876.         ;;

  4877.         e500v2)

  4878.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4879.             disable altivec

  4880.             disable dcbzl

  4881.         ;;

  4882.         e500)

  4883.             cpuflags="-mcpu=8540 -mhard-float"

  4884.             disable altivec

  4885.             disable dcbzl

  4886.         ;;

  4887.     esac

  4888. 

  4889. elif enabled sparc; then

  4890. 

  4891.     case $cpu in

  4892.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4893.             cpuflags="-mcpu=$cpu"

  4894.         ;;

  4895.         ultrasparc*|niagara[234])

  4896.             cpuflags="-mcpu=$cpu"

  4897.         ;;

  4898.     esac

  4899. 

  4900. elif enabled x86; then

  4901. 

  4902.     case $cpu in

  4903.         i[345]86|pentium)

  4904.             cpuflags="-march=$cpu"

  4905.             disable i686

  4906.             disable mmx

  4907.         ;;

  4908.         # targets that do NOT support nopl and conditional mov (cmov)

  4909.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4910.             cpuflags="-march=$cpu"

  4911.             disable i686

  4912.         ;;

  4913.         # targets that do support nopl and conditional mov (cmov)

  4914.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4915.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\

  4916.         |amdfam10|barcelona|b[dt]ver*|znver*)

  4917.             cpuflags="-march=$cpu"

  4918.             enable i686

  4919.             enable fast_cmov

  4920.         ;;

  4921.         # targets that do support conditional mov but on which it's slow

  4922.         pentium4|pentium4m|prescott|nocona)

  4923.             cpuflags="-march=$cpu"

  4924.             enable i686

  4925.             disable fast_cmov

  4926.         ;;

  4927.     esac

  4928. 

  4929. fi

  4930. 

  4931. if [ "$cpu" != generic ]; then

  4932.     add_cflags  $cpuflags

  4933.     add_asflags $cpuflags

  4934.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4935. fi

  4936. 

  4937. # compiler sanity check

  4938. test_exec <<EOF

  4939. int main(void){ return 0; }

  4940. EOF

  4941. if test "$?" != 0; then

  4942.     echo "$cc is unable to create an executable file."

  4943.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4944.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4945.         echo "Only do this if you know what cross compiling means."

  4946.     fi

  4947.     die "C compiler test failed."

  4948. fi

  4949. 

  4950. add_cppflags -D_ISOC99_SOURCE

  4951. add_cxxflags -D__STDC_CONSTANT_MACROS

  4952. check_cxxflags -std=c++11 || check_cxxflags -std=c++0x

  4953. 

  4954. # some compilers silently accept -std=c11, so we also need to check that the

  4955. # version macro is defined properly

  4956. test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&

  4957.     add_cflags -std=c11 ||

  4958.     check_cflags -std=c99

  4959. 

  4960. check_cppflags -D_FILE_OFFSET_BITS=64

  4961. check_cppflags -D_LARGEFILE_SOURCE

  4962. 

  4963. add_host_cppflags -D_ISOC99_SOURCE

  4964. check_host_cflags -std=c99

  4965. check_host_cflags -Wall

  4966. check_host_cflags $host_cflags_speed

  4967. 

  4968. check_64bit(){

  4969.     arch32=$1

  4970.     arch64=$2

  4971.     expr=${3:-'sizeof(void *) > 4'}

  4972.     test_code cc "" "int test[2*($expr) - 1]" &&

  4973.         subarch=$arch64 || subarch=$arch32

  4974.     enable $subarch

  4975. }

  4976. 

  4977. case "$arch" in

  4978.     aarch64|alpha|ia64)

  4979.         enabled shared && enable_weak pic

  4980.     ;;

  4981.     mips)

  4982.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4983.         enabled shared && enable_weak pic

  4984.     ;;

  4985.     parisc)

  4986.         check_64bit parisc parisc64

  4987.         enabled shared && enable_weak pic

  4988.     ;;

  4989.     ppc)

  4990.         check_64bit ppc ppc64

  4991.         enabled shared && enable_weak pic

  4992.     ;;

  4993.     s390)

  4994.         check_64bit s390 s390x

  4995.         enabled shared && enable_weak pic

  4996.     ;;

  4997.     sparc)

  4998.         check_64bit sparc sparc64

  4999.         enabled shared && enable_weak pic

  5000.     ;;

  5001.     x86)

  5002.         check_64bit x86_32 x86_64

  5003.         # Treat x32 as x64 for now. Note it also needs pic if shared

  5004.         test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&

  5005.             subarch=x86_64 && enable x86_64 && disable x86_32

  5006.         if enabled x86_64; then

  5007.             enabled shared && enable_weak pic

  5008.             objformat=elf64

  5009.         fi

  5010.     ;;

  5011. esac

  5012. 

  5013. # OS specific

  5014. case $target_os in

  5015.     aix)

  5016.         SHFLAGS=-shared

  5017.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  5018.         enabled shared && add_ldflags -Wl,-brtl

  5019.         arflags='-Xany -r -c'

  5020.         striptype=""

  5021.         ;;

  5022.     android)

  5023.         disable symver

  5024.         enable section_data_rel_ro

  5025.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  5026.         SLIB_INSTALL_LINKS=

  5027.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  5028.         ;;

  5029.     haiku)

  5030.         prefix_default="/boot/common"

  5031.         network_extralibs="-lnetwork"

  5032.         host_extralibs=

  5033.         ;;

  5034.     sunos)

  5035.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  5036.         enabled x86 && append SHFLAGS -mimpure-text

  5037.         network_extralibs="-lsocket -lnsl"

  5038.         add_cppflags -D__EXTENSIONS__

  5039.         # When using suncc to build, the Solaris linker will mark

  5040.         # an executable with each instruction set encountered by

  5041.         # the Solaris assembler.  As our libraries contain their own

  5042.         # guards for processor-specific code, instead suppress

  5043.         # generation of the HWCAPS ELF section on Solaris x86 only.

  5044.         enabled_all suncc x86 &&

  5045.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  5046.             add_ldflags -Wl,-M,mapfile

  5047.         nm_default='nm -P -g'

  5048.         version_script='-M'

  5049.         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'

  5050.         ;;

  5051.     netbsd)

  5052.         disable symver

  5053.         oss_indev_extralibs="-lossaudio"

  5054.         oss_outdev_extralibs="-lossaudio"

  5055.         enabled gcc || check_ldflags -Wl,-zmuldefs

  5056.         ;;

  5057.     openbsd|bitrig)

  5058.         disable symver

  5059.         striptype=""

  5060.         SHFLAGS='-shared'

  5061.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  5062.         SLIB_INSTALL_LINKS=

  5063.         oss_indev_extralibs="-lossaudio"

  5064.         oss_outdev_extralibs="-lossaudio"

  5065.         ;;

  5066.     dragonfly)

  5067.         disable symver

  5068.         ;;

  5069.     freebsd)

  5070.         ;;

  5071.     bsd/os)

  5072.         add_extralibs -lpoll -lgnugetopt

  5073.         strip="strip -d"

  5074.         ;;

  5075.     darwin)

  5076.         enabled ppc && add_asflags -force_cpusubtype_ALL

  5077.         install_name_dir_default='$(SHLIBDIR)'

  5078.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  5079.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  5080.         strip="${strip} -x"

  5081.         add_ldflags -Wl,-dynamic,-search_paths_first

  5082.         check_cflags -Werror=partial-availability

  5083.         SLIBSUF=".dylib"

  5084.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  5085.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  5086.         enabled x86_64 && objformat="macho64" || objformat="macho32"

  5087.         enabled_any pic shared x86_64 ||

  5088.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  5089.         check_header dispatch/dispatch.h &&

  5090.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  5091.         if test -n "$sysroot"; then

  5092.             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot

  5093.             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot

  5094.         fi

  5095.         version_script='-exported_symbols_list'

  5096.         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'

  5097.         ;;

  5098.     msys*)

  5099.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  5100.         ;;

  5101.     mingw32*|mingw64*)

  5102.         target_os=mingw32

  5103.         LIBTARGET=i386

  5104.         if enabled x86_64; then

  5105.             LIBTARGET="i386:x86-64"

  5106.         elif enabled arm; then

  5107.             LIBTARGET="arm"

  5108.         elif enabled aarch64; then

  5109.             LIBTARGET="arm64"

  5110.         fi

  5111.         if enabled shared; then

  5112.             # Cannot build both shared and static libs when using dllimport.

  5113.             disable static

  5114.         fi

  5115.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5116.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  5117.         shlibdir_default="$bindir_default"

  5118.         SLIBPREF=""

  5119.         SLIBSUF=".dll"

  5120.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5121.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5122.         if test_cmd lib.exe -list; then

  5123.             SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5124.             if enabled x86_64; then

  5125.                 LIBTARGET=x64

  5126.             fi

  5127.         else

  5128.             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  5129.         fi

  5130.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5131.         SLIB_INSTALL_LINKS=

  5132.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5133.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5134.         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)'

  5135.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'

  5136.         enabled x86_64 && objformat="win64" || objformat="win32"

  5137.         dlltool="${cross_prefix}dlltool"

  5138.         ranlib=:

  5139.         enable dos_paths

  5140.         check_ldflags -Wl,--nxcompat,--dynamicbase

  5141.         # Lets work around some stupidity in binutils.

  5142.         # ld will strip relocations from executables even though we need them

  5143.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  5144.         # however ld then forgets what the entry point should be (oops) so we

  5145.         # have to manually (re)set it.

  5146.         if enabled x86_32; then

  5147.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  5148.         elif enabled x86_64; then

  5149.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  5150.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  5151.             # Set image base >4GB for extra entropy with HEASLR

  5152.             add_ldexeflags -Wl,--image-base,0x140000000

  5153.             append SHFLAGS -Wl,--image-base,0x180000000

  5154.         fi

  5155.         ;;

  5156.     win32|win64)

  5157.         disable symver

  5158.         if enabled shared; then

  5159.             # Link to the import library instead of the normal static library

  5160.             # for shared libs.

  5161.             LD_LIB='%.lib'

  5162.             # Cannot build both shared and static libs with MSVC or icl.

  5163.             disable static

  5164.         fi

  5165.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  5166.         shlibdir_default="$bindir_default"

  5167.         SLIBPREF=""

  5168.         SLIBSUF=".dll"

  5169.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5170.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5171.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5172.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5173.         SLIB_INSTALL_LINKS=

  5174.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5175.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5176.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5177.         enabled x86_64 && objformat="win64" || objformat="win32"

  5178.         ranlib=:

  5179.         enable dos_paths

  5180.         ;;

  5181.     cygwin*)

  5182.         target_os=cygwin

  5183.         shlibdir_default="$bindir_default"

  5184.         SLIBPREF="cyg"

  5185.         SLIBSUF=".dll"

  5186.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5187.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5188.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5189.         SLIB_INSTALL_LINKS=

  5190.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  5191.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  5192.         enabled x86_64 && objformat="win64" || objformat="win32"

  5193.         enable dos_paths

  5194.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5195.         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5196.         ;;

  5197.     *-dos|freedos|opendos)

  5198.         network_extralibs="-lsocket"

  5199.         objformat="coff"

  5200.         enable dos_paths

  5201.         add_cppflags -U__STRICT_ANSI__

  5202.         ;;

  5203.     linux)

  5204.         enable section_data_rel_ro

  5205.         enabled_any arm aarch64 && enable_weak linux_perf

  5206.         ;;

  5207.     irix*)

  5208.         target_os=irix

  5209.         ranlib="echo ignoring ranlib"

  5210.         ;;

  5211.     os/2*)

  5212.         strip="lxlite -CS"

  5213.         striptype=""

  5214.         objformat="aout"

  5215.         add_cppflags -D_GNU_SOURCE

  5216.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap

  5217.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  5218.         LIBSUF="_s.a"

  5219.         SLIBPREF=""

  5220.         SLIBSUF=".dll"

  5221.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5222.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  5223.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  5224.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  5225.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  5226.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  5227.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  5228.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  5229.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  5230.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5231.         SLIB_INSTALL_LINKS=

  5232.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  5233.         enable dos_paths

  5234.         enable_weak os2threads

  5235.         ;;

  5236.     gnu/kfreebsd)

  5237.         add_cppflags -D_BSD_SOURCE

  5238.         ;;

  5239.     gnu)

  5240.         ;;

  5241.     qnx)

  5242.         add_cppflags -D_QNX_SOURCE

  5243.         network_extralibs="-lsocket"

  5244.         ;;

  5245.     symbian)

  5246.         SLIBSUF=".dll"

  5247.         enable dos_paths

  5248.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  5249.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  5250.         add_ldflags -Wl,--target1-abs,--no-undefined \

  5251.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  5252.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  5253.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  5254.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  5255.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  5256.         ;;

  5257.     minix)

  5258.         ;;

  5259.     none)

  5260.         ;;

  5261.     *)

  5262.         die "Unknown OS '$target_os'."

  5263.         ;;

  5264. esac

  5265. 

  5266. # test if creating links works

  5267. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  5268. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  5269. mkdir "$link_dest"

  5270. $ln_s "$link_dest" "$link_name"

  5271. touch "$link_dest/test_file"

  5272. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  5273.     # create link to source path

  5274.     [ -e src ] && rm src

  5275.     $ln_s "$source_path" src

  5276.     source_link=src

  5277. else

  5278.     # creating directory links doesn't work

  5279.     # fall back to using the full source path

  5280.     source_link="$source_path"

  5281. fi

  5282. # cleanup

  5283. rm -r "$link_dest"

  5284. rm -r "$link_name"

  5285. 

  5286. # determine libc flavour

  5287. 

  5288. probe_libc(){

  5289.     pfx=$1

  5290.     pfx_no_=${pfx%_}

  5291.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  5292.     if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  5293.         eval ${pfx}libc_type=uclibc

  5294.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5295.     elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  5296.         eval ${pfx}libc_type=glibc

  5297.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5298.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  5299.     elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  5300.         eval ${pfx}libc_type=newlib

  5301.         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600

  5302.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  5303.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  5304.         eval ${pfx}libc_type=mingw64

  5305.         if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  5306.             add_compat msvcrt/snprintf.o

  5307.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  5308.         fi

  5309.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5310.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5311.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5312.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5313.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5314.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  5315.          test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  5316.         eval ${pfx}libc_type=mingw32

  5317.         test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  5318.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  5319.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  5320.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5321.         test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&

  5322.             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700

  5323.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5324.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5325.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5326.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5327.     elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  5328.         eval ${pfx}libc_type=msvcrt

  5329.         if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  5330.             if [ "$pfx" = host_ ]; then

  5331.                 add_host_cppflags -Dsnprintf=_snprintf

  5332.             else

  5333.                 add_compat strtod.o strtod=avpriv_strtod

  5334.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  5335.                                              _snprintf=avpriv_snprintf  \

  5336.                                              vsnprintf=avpriv_vsnprintf

  5337.             fi

  5338.         fi

  5339.         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS

  5340.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  5341.         # 0x601 by default unless something else is set by the user.

  5342.         # This can easily lead to us detecting functions only present

  5343.         # in such new versions and producing binaries requiring windows 7.0.

  5344.         # Therefore explicitly set the default to Vista unless the user has

  5345.         # set something else on the command line.

  5346.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  5347.         # family. For these cases, configure is free to use any functions

  5348.         # found in the SDK headers by default. (Alternatively, we could force

  5349.         # _WIN32_WINNT to 0x0602 in that case.)

  5350.         test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  5351.             { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }

  5352. #ifdef WINAPI_FAMILY

  5353. #include <winapifamily.h>

  5354. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  5355. #error not desktop

  5356. #endif

  5357. #endif

  5358. EOF

  5359.         if [ "$pfx" = "" ]; then

  5360.             check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5361.             check_func strtoull || add_cflags -Dstrtoull=_strtoui64

  5362.         fi

  5363.     elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  5364.         eval ${pfx}libc_type=klibc

  5365.     elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  5366.         eval ${pfx}libc_type=bionic

  5367.     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  5368.         eval ${pfx}libc_type=solaris

  5369.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  5370.     fi

  5371.     test_${pfx}cc <<EOF

  5372. #include <time.h>

  5373. void *v = localtime_r;

  5374. EOF

  5375. 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

  5376. #include <time.h>

  5377. void *v = localtime_r;

  5378. EOF

  5379. 

  5380.     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}

  5381. }

  5382. 

  5383. probe_libc

  5384. probe_libc host_

  5385. 

  5386. # hacks for compiler/libc/os combinations

  5387. 

  5388. case $libc_type in

  5389.     bionic)

  5390.         add_compat strtod.o strtod=avpriv_strtod

  5391.         ;;

  5392. esac

  5393. 

  5394. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  5395.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  5396. 

  5397. test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  5398. 

  5399. set_default libdir

  5400. : ${shlibdir_default:="$libdir"}

  5401. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  5402. 

  5403. set_default $PATHS_LIST

  5404. set_default nm

  5405. 

  5406. disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer

  5407. 

  5408. enable_weak_pic() {

  5409.     disabled pic && return

  5410.     enable pic

  5411.     add_cppflags -DPIC

  5412.     case "$target_os" in

  5413.     mingw*|cygwin*|win*)

  5414.         ;;

  5415.     *)

  5416.         add_cflags -fPIC

  5417.         add_asflags -fPIC

  5418.         ;;

  5419.     esac

  5420. }

  5421. 

  5422. enabled pic && enable_weak_pic

  5423. 

  5424. test_cc <<EOF || die "Symbol mangling check failed."

  5425. int ff_extern;

  5426. EOF

  5427. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5428. extern_prefix=${sym%%ff_extern*}

  5429. 

  5430. ! disabled inline_asm && check_inline_asm inline_asm '"" ::'

  5431. 

  5432. for restrict_keyword in restrict __restrict__ __restrict ""; do

  5433.     test_code cc "" "char * $restrict_keyword p" && break

  5434. done

  5435. 

  5436. check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'

  5437. 

  5438. # The global variable ensures the bits appear unchanged in the object file.

  5439. test_cc <<EOF || die "endian test failed"

  5440. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5441. EOF

  5442. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5443. 

  5444. check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"

  5445. 

  5446. if ! enabled ppc64 || enabled bigendian; then

  5447.     disable vsx

  5448. fi

  5449. 

  5450. check_gas() {

  5451.     log "check_gas using '$as' as AS"

  5452.     # :vararg is used on aarch64, arm and ppc altivec

  5453.     check_as vararg "

  5454. .macro m n, y:vararg=0

  5455. \n: .int \y

  5456. .endm

  5457. m x" || return 1

  5458.     # .altmacro is only used in arm asm

  5459.     ! enabled arm || check_as gnu_as ".altmacro"

  5460. }

  5461. 

  5462. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5463.     nogas=:

  5464.     enabled_any arm aarch64 && nogas=die

  5465.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5466.     as_noop=-v

  5467. 

  5468.     case $as_type in

  5469.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5470.         gcc)  gaspp_as_type=gas ;;

  5471.         *)    gaspp_as_type=$as_type ;;

  5472.     esac

  5473. 

  5474.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5475. 

  5476.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5477.     test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5478.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5479. 

  5480.     if ! check_gas ; then

  5481.         as=${gas:=$as}

  5482.         check_gas || \

  5483.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5484.     fi

  5485. 

  5486.     check_as as_func ".func test

  5487.                       .endfunc"

  5488. fi

  5489. 

  5490. check_inline_asm inline_asm_labels '"1:\n"'

  5491. 

  5492. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5493. 

  5494. if enabled aarch64; then

  5495.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5496.     # internal assembler in clang 3.3 does not support this instruction

  5497.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5498.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5499. 

  5500.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5501. 

  5502. elif enabled alpha; then

  5503. 

  5504.     check_cflags -mieee

  5505. 

  5506. elif enabled arm; then

  5507. 

  5508.     enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"

  5509.     test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb

  5510. float func(float a, float b){ return a+b; }

  5511. EOF

  5512.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5513. 

  5514.     if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then

  5515.         :

  5516.     elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5517.         :

  5518.     elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5519.         case "${cross_prefix:-$cc}" in

  5520.             *hardfloat*) enable vfp_args; fpabi=vfp ;;

  5521.             *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;

  5522. __asm__ (".eabi_attribute 28, 1");

  5523. int main(void) { return 0; }

  5524. EOF

  5525.         esac

  5526.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5527.     fi

  5528. 

  5529.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5530.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5531.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5532.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5533.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5534.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5535.     enabled setend  && check_insn setend  'setend be'

  5536. 

  5537.     [ $target_os = linux ] || [ $target_os = android ] ||

  5538.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5539.             $ARCH_EXT_LIST_ARM

  5540. 

  5541.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5542. 

  5543.     check_as as_arch_directive ".arch armv7-a"

  5544.     check_as as_dn_directive   "ra .dn d0.i16"

  5545.     check_as as_fpu_directive  ".fpu neon"

  5546. 

  5547.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5548.     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&

  5549.         check_as as_object_arch ".object_arch armv4"

  5550. 

  5551.     # MS armasm fails to assemble our PIC constructs

  5552.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5553. 

  5554. elif enabled mips; then

  5555. 

  5556.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5557.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5558.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5559. 

  5560.     # Enable minimum ISA based on selected options

  5561.     if enabled mips64; then

  5562.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5563.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5564.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5565.     else

  5566.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5567.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5568.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5569.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5570.     fi

  5571. 

  5572.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5573.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5574.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa

  5575.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5576.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5577. 

  5578.     if enabled bigendian && enabled msa; then

  5579.         disable msa

  5580.     fi

  5581. 

  5582. elif enabled parisc; then

  5583. 

  5584.     if enabled gcc; then

  5585.         case $($cc -dumpversion) in

  5586.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5587.         esac

  5588.     fi

  5589. 

  5590. elif enabled ppc; then

  5591. 

  5592.     enable local_aligned

  5593. 

  5594.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5595.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5596.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5597.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5598. 

  5599.     if enabled altivec; then

  5600.         check_cflags -maltivec -mabi=altivec

  5601. 

  5602.         # check if our compiler supports Motorola AltiVec C API

  5603.         check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };

  5604.                                     vector signed int v2 = (vector signed int) { 1 };

  5605.                                     v1 = vec_add(v1, v2);"

  5606. 

  5607.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5608.     fi

  5609. 

  5610.     if enabled vsx; then

  5611.         check_cflags -mvsx &&

  5612.         check_cc vsx altivec.h "int v[4] = { 0 };

  5613.                                 vector signed int v1 = vec_vsx_ld(0, v);"

  5614.     fi

  5615. 

  5616.     if enabled power8; then

  5617.         check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"

  5618.     fi

  5619. 

  5620. elif enabled x86; then

  5621. 

  5622.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5623.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5624. 

  5625.     enable local_aligned

  5626. 

  5627.     # check whether EBP is available on x86

  5628.     # As 'i' is stored on the stack, this program will crash

  5629.     # if the base pointer is used to access it because the

  5630.     # base pointer is cleared in the inline assembly code.

  5631.     check_exec_crash <<EOF && enable ebp_available

  5632. volatile int i=0;

  5633. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5634. return i;

  5635. EOF

  5636. 

  5637.     # check whether EBX is available on x86

  5638.     check_inline_asm ebx_available '""::"b"(0)' &&

  5639.         check_inline_asm ebx_available '"":::"%ebx"'

  5640. 

  5641.     # check whether xmm clobbers are supported

  5642.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5643. 

  5644.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5645.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5646. 

  5647.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5648.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5649.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5650. 

  5651.     probe_x86asm(){

  5652.         x86asmexe_probe=$1

  5653.         if test_cmd $x86asmexe_probe -v; then

  5654.             x86asmexe=$x86asmexe_probe

  5655.             x86asm_type=nasm

  5656.             x86asm_debug="-g -F dwarf"

  5657.             X86ASMDEP=

  5658.             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'

  5659.         elif test_cmd $x86asmexe_probe --version; then

  5660.             x86asmexe=$x86asmexe_probe

  5661.             x86asm_type=yasm

  5662.             x86asm_debug="-g dwarf2"

  5663.             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'

  5664.             X86ASM_DEPFLAGS=

  5665.         fi

  5666.         check_x86asm x86asm "movbe ecx, [5]"

  5667.     }

  5668. 

  5669.     if ! disabled_any asm mmx x86asm; then

  5670.         disable x86asm

  5671.         for program in $x86asmexe nasm yasm; do

  5672.             probe_x86asm $program && break

  5673.         done

  5674.         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."

  5675.         X86ASMFLAGS="-f $objformat"

  5676.         enabled pic               && append X86ASMFLAGS "-DPIC"

  5677.         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"

  5678.         case "$objformat" in

  5679.             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;

  5680.         esac

  5681. 

  5682.         check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"

  5683.         check_x86asm avx2_external   "vextracti128 xmm0, ymm0, 0"

  5684.         check_x86asm xop_external    "vpmacsdd xmm0, xmm1, xmm2, xmm3"

  5685.         check_x86asm fma4_external   "vfmaddps ymm0, ymm1, ymm2, ymm3"

  5686.         check_x86asm cpunop          "CPU amdnop"

  5687.     fi

  5688. 

  5689.     case "$cpu" in

  5690.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5691.             disable fast_clz

  5692.         ;;

  5693.     esac

  5694. 

  5695. fi

  5696. 

  5697. check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"

  5698. 

  5699. check_ldflags -Wl,--as-needed

  5700. check_ldflags -Wl,-z,noexecstack

  5701. 

  5702. if ! disabled network; then

  5703.     check_func getaddrinfo $network_extralibs

  5704.     check_func inet_aton $network_extralibs

  5705. 

  5706.     check_type netdb.h "struct addrinfo"

  5707.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5708.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5709.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5710.     check_type poll.h "struct pollfd"

  5711.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5712.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5713.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5714.     check_type netinet/in.h "struct sockaddr_in6"

  5715.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5716.     check_type "sys/types.h sys/socket.h" socklen_t

  5717. 

  5718.     # Prefer arpa/inet.h over winsock2

  5719.     if check_header arpa/inet.h ; then

  5720.         check_func closesocket

  5721.     elif check_header winsock2.h ; then

  5722.         check_func_headers winsock2.h closesocket -lws2 &&

  5723.             network_extralibs="-lws2" ||

  5724.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5725.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5726.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5727. 

  5728.         check_type ws2tcpip.h socklen_t

  5729.         check_type ws2tcpip.h "struct addrinfo"

  5730.         check_type ws2tcpip.h "struct group_source_req"

  5731.         check_type ws2tcpip.h "struct ip_mreq_source"

  5732.         check_type ws2tcpip.h "struct ipv6_mreq"

  5733.         check_type winsock2.h "struct pollfd"

  5734.         check_struct winsock2.h "struct sockaddr" sa_len

  5735.         check_type ws2tcpip.h "struct sockaddr_in6"

  5736.         check_type ws2tcpip.h "struct sockaddr_storage"

  5737.     else

  5738.         disable network

  5739.     fi

  5740. fi

  5741. 

  5742. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5743. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5744. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5745. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5746. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5747. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5748. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  5749. 

  5750. case "$custom_allocator" in

  5751.     jemalloc)

  5752.         # jemalloc by default does not use a prefix

  5753.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5754.     ;;

  5755.     tcmalloc)

  5756.         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc

  5757.         malloc_prefix=tc_

  5758.     ;;

  5759. esac

  5760. 

  5761. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5762. check_func  ${malloc_prefix}memalign            && enable memalign

  5763. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5764. 

  5765. check_func  access

  5766. check_func_headers stdlib.h arc4random

  5767. check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt

  5768. check_func  fcntl

  5769. check_func  fork

  5770. check_func  gethrtime

  5771. check_func  getopt

  5772. check_func  getrusage

  5773. check_func  gettimeofday

  5774. check_func  isatty

  5775. check_func  mkstemp

  5776. check_func  mmap

  5777. check_func  mprotect

  5778. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5779. check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt

  5780. check_func  sched_getaffinity

  5781. check_func  setrlimit

  5782. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5783. check_func  strerror_r

  5784. check_func  sysconf

  5785. check_func  sysctl

  5786. check_func  usleep

  5787. 

  5788. check_func_headers conio.h kbhit

  5789. check_func_headers io.h setmode

  5790. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5791. check_func_headers mach/mach_time.h mach_absolute_time

  5792. check_func_headers stdlib.h getenv

  5793. check_func_headers sys/stat.h lstat

  5794. 

  5795. check_func_headers windows.h GetProcessAffinityMask

  5796. check_func_headers windows.h GetProcessTimes

  5797. check_func_headers windows.h GetSystemTimeAsFileTime

  5798. check_func_headers windows.h LoadLibrary

  5799. check_func_headers windows.h MapViewOfFile

  5800. check_func_headers windows.h PeekNamedPipe

  5801. check_func_headers windows.h SetConsoleTextAttribute

  5802. check_func_headers windows.h SetConsoleCtrlHandler

  5803. check_func_headers windows.h Sleep

  5804. check_func_headers windows.h VirtualAlloc

  5805. check_func_headers glob.h glob

  5806. enabled xlib &&

  5807.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5808. 

  5809. check_header direct.h

  5810. check_header dirent.h

  5811. check_header dxgidebug.h

  5812. check_header dxva.h

  5813. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5814. check_header io.h

  5815. check_header linux/perf_event.h

  5816. check_header libcrystalhd/libcrystalhd_if.h

  5817. check_header malloc.h

  5818. check_header net/udplite.h

  5819. check_header poll.h

  5820. check_header sys/param.h

  5821. check_header sys/resource.h

  5822. check_header sys/select.h

  5823. check_header sys/time.h

  5824. check_header sys/un.h

  5825. check_header termios.h

  5826. check_header unistd.h

  5827. check_header valgrind/valgrind.h

  5828. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5829. check_header windows.h

  5830. check_header X11/extensions/XvMClib.h

  5831. check_header asm/types.h

  5832. 

  5833. # it seems there are versions of clang in some distros that try to use the

  5834. # gcc headers, which explodes for stdatomic

  5835. # so we also check that atomics actually work here

  5836. check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"

  5837. 

  5838. check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32

  5839. check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&

  5840.     check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"

  5841. check_lib ole32    "windows.h"            CoTaskMemFree        -lole32

  5842. check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32

  5843. check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

  5844. 

  5845. check_lib android android/native_window.h ANativeWindow_acquire -landroid

  5846. check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk

  5847. check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk

  5848. 

  5849. enabled appkit       && check_apple_framework AppKit

  5850. enabled audiotoolbox && check_apple_framework AudioToolbox

  5851. enabled avfoundation && check_apple_framework AVFoundation

  5852. enabled coreimage    && check_apple_framework CoreImage

  5853. enabled videotoolbox && check_apple_framework VideoToolbox

  5854. 

  5855. check_apple_framework CoreFoundation

  5856. check_apple_framework CoreMedia

  5857. check_apple_framework CoreVideo

  5858. 

  5859. enabled avfoundation && {

  5860.     disable coregraphics applicationservices

  5861.     check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||

  5862.     check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }

  5863. 

  5864. enabled videotoolbox && {

  5865.     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"

  5866.     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"

  5867. }

  5868. 

  5869. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5870. 

  5871. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5872. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5873. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5874. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5875. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5876. 

  5877. check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"

  5878. check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"

  5879. check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth

  5880. check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"

  5881. check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"

  5882. check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  5883. check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  5884. check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"

  5885. check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"

  5886. check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"

  5887. 

  5888. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5889. 

  5890. if ! disabled ffnvcodec; then

  5891.     check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \

  5892.         "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""

  5893. fi

  5894. 

  5895. check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"

  5896. 

  5897. if ! disabled w32threads && ! enabled pthreads; then

  5898.     check_func_headers "windows.h process.h" _beginthreadex &&

  5899.         check_type "windows.h" CONDITION_VARIABLE &&

  5900.         check_type "windows.h" INIT_ONCE &&

  5901.         enable w32threads || disable w32threads

  5902.     if ! enabled w32threads && enabled winrt; then

  5903.         check_func_headers "windows.h" CreateThread &&

  5904.             enable w32threads || disable w32threads

  5905.     fi

  5906. fi

  5907. 

  5908. # check for some common methods of building with pthread support

  5909. # do this before the optional library checks as some of them require pthreads

  5910. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5911.     if check_lib pthreads pthread.h pthread_join   -pthread &&

  5912.        check_lib pthreads pthread.h pthread_create -pthread; then

  5913.         add_cflags -pthread

  5914.     elif check_lib pthreads pthread.h pthread_join   -pthreads &&

  5915.          check_lib pthreads pthread.h pthread_create -pthreads; then

  5916.         add_cflags -pthreads

  5917.     elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&

  5918.          check_lib pthreads pthread.h pthread_create -ldl -pthread; then

  5919.         add_cflags -ldl -pthread

  5920.     elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&

  5921.          check_lib pthreads pthread.h pthread_create -lpthreadGC2; then

  5922.         :

  5923.     elif check_lib pthreads pthread.h pthread_join   -lpthread &&

  5924.          check_lib pthreads pthread.h pthread_create -lpthread; then

  5925.         :

  5926.     elif check_func pthread_join && check_func pthread_create; then

  5927.         enable pthreads

  5928.     fi

  5929.     check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"

  5930. 

  5931.     if enabled pthreads; then

  5932.         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs

  5933.         check_func pthread_cancel $pthreads_extralibs

  5934.     fi

  5935. fi

  5936. 

  5937. enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||

  5938.                    check_lib zlib   zlib.h      zlibVersion    -lz; }

  5939. enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2

  5940. enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma

  5941. 

  5942. # On some systems dynamic loading requires no extra linker flags

  5943. check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl

  5944. 

  5945. check_lib libm math.h sin -lm

  5946. 

  5947. atan2f_args=2

  5948. copysign_args=2

  5949. hypot_args=2

  5950. ldexpf_args=2

  5951. powf_args=2

  5952. 

  5953. for func in $MATH_FUNCS; do

  5954.     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs

  5955. done

  5956. 

  5957. for func in $COMPLEX_FUNCS; do

  5958.     eval check_complexfunc $func \${${func}_args:-1}

  5959. done

  5960. 

  5961. # these are off by default, so fail if requested and not available

  5962. enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda

  5963. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5964. enabled decklink          && { require_header DeckLinkAPI.h &&

  5965.                                { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }

  5966. enabled libndi_newtek     && require_header Processing.NDI.Lib.h

  5967. enabled frei0r            && require_header frei0r.h

  5968. enabled gmp               && require gmp gmp.h mpz_export -lgmp

  5969. enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

  5970. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }

  5971. enabled ladspa            && require_header ladspa.h

  5972. enabled libaom            && require_pkg_config libaom "aom >= 0.1.0" aom/aom_codec.h aom_codec_version

  5973. enabled lv2               && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new

  5974. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5975. enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init

  5976. enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open

  5977. enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open

  5978. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5979.                              { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5980.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5981. enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas

  5982. enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2

  5983. enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new

  5984. enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion

  5985. enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5986.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5987.                                  warn "using libfdk without pkg-config"; } }

  5988. 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"

  5989. enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs

  5990. enabled fontconfig        && enable libfontconfig

  5991. enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit

  5992. enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

  5993. enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info

  5994. enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||

  5995.                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }

  5996. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5997.                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;

  5998.                                done || die "ERROR: libgsm not found"; }

  5999. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs

  6000. enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  6001. # While it may appear that require is being used as a pkg-config

  6002. # fallback for libmfx, it is actually being used to detect a different

  6003. # installation route altogether.  If libmfx is installed via the Intel

  6004. # Media SDK or Intel Media Server Studio, these don't come with

  6005. # pkg-config support.  Instead, users should make sure that the build

  6006. # can find the libraries and headers through other means.

  6007. enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||

  6008.                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }

  6009. enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load

  6010. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs

  6011. enabled libmysofa         && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs

  6012. enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||

  6013.                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||

  6014.                                die "ERROR: libnpp not found"; }

  6015. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  6016. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  6017. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  6018.                                { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||

  6019.                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  6020.                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }

  6021. enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion

  6022. enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||

  6023.                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }

  6024. enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"

  6025. enabled libopus           && {

  6026.     enabled libopus_decoder && {

  6027.         require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create

  6028.     }

  6029.     enabled libopus_encoder && {

  6030.         require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create

  6031.     }

  6032. }

  6033. enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new

  6034. enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo

  6035. enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket

  6036. enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"

  6037. enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer

  6038. enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||

  6039.                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }

  6040. enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++

  6041. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  6042. enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init

  6043. enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init

  6044. enabled libsrt            && require_pkg_config libsrt "srt >= 1.2.0" srt/srt.h srt_socket

  6045. enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate

  6046. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  6047. enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure

  6048. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  6049.                              { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  6050.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  6051. enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl

  6052. enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  6053. enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf

  6054. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  6055. enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&

  6056.                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init

  6057. 

  6058. enabled libvpx            && {

  6059.     enabled libvpx_vp8_decoder && {

  6060.         check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  6061.             check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  6062.                 die "ERROR: libvpx decoder version must be >=1.4.0";

  6063.     }

  6064.     enabled libvpx_vp8_encoder && {

  6065.         check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  6066.             check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  6067.                 die "ERROR: libvpx encoder version must be >=1.4.0";

  6068.     }

  6069.     enabled libvpx_vp9_decoder && {

  6070.         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  6071.             check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  6072.     }

  6073.     enabled libvpx_vp9_encoder && {

  6074.         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  6075.             check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  6076.     }

  6077.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  6078.         die "libvpx enabled but no supported decoders found"

  6079.     fi

  6080. }

  6081. 

  6082. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  6083. enabled libwebp           && {

  6084.     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  6085.     enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }

  6086. enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||

  6087.                                { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&

  6088.                                  warn "using libx264 without pkg-config"; } } &&

  6089.                              require_cpp_condition x264.h "X264_BUILD >= 118" &&

  6090.                              check_cpp_condition libx262 x264.h "X264_MPEG2"

  6091. enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&

  6092.                              require_cpp_condition x265.h "X265_BUILD >= 68"

  6093. enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"

  6094. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  6095. enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version

  6096. enabled libzmq            && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new

  6097. enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&

  6098.                              { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  6099.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  6100. enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion

  6101. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  6102. enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  6103.                                { ! enabled cross_compile &&

  6104.                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&

  6105.                                  add_ldflags -L/opt/vc/lib/ &&

  6106.                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||

  6107.                                die "ERROR: mmal not found" &&

  6108.                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }

  6109. enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  6110.                                check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||

  6111.                                die "ERROR: openal not found"; } &&

  6112.                              { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  6113.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  6114. enabled opencl            && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  6115.                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  6116.                                die "ERROR: opencl not found"; } &&

  6117.                              { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  6118.                                test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  6119.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  6120. enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||

  6121.                                check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  6122.                                check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  6123.                                check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  6124.                                die "ERROR: opengl not found."

  6125.                              }

  6126. enabled omx               && require_header OMX_Core.h

  6127. enabled omx_rpi           && { check_header OMX_Core.h ||

  6128.                                { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||

  6129.                                die "ERROR: OpenMAX IL headers not found"; } && enable omx

  6130. enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||

  6131.                                check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||

  6132.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  6133.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  6134.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  6135.                                die "ERROR: openssl not found"; }

  6136. enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/rk_mpi.h mpp_create &&

  6137.                                require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&

  6138.                                { enabled libdrm ||

  6139.                                  die "ERROR: rkmpp requires --enable-libdrm"; }

  6140.                              }

  6141. enabled vapoursynth       && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init

  6142. 

  6143. 

  6144. if enabled gcrypt; then

  6145.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  6146.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  6147.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  6148.         gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)

  6149.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||

  6150.             die "ERROR: gcrypt not found"

  6151.         add_cflags $gcrypt_cflags

  6152.     else

  6153.         require gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  6154.     fi

  6155. fi

  6156. 

  6157. if enabled sdl2; then

  6158.     SDL2_CONFIG="${cross_prefix}sdl2-config"

  6159.     test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent

  6160.     if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then

  6161.         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)

  6162.         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)

  6163.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&

  6164.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&

  6165.         check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&

  6166.             enable sdl2

  6167.     fi

  6168.     if test $target_os = "mingw32"; then

  6169.         sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)

  6170.     fi

  6171. fi

  6172. 

  6173. if enabled decklink; then

  6174.     case $target_os in

  6175.         mingw32*|mingw64*|win32|win64)

  6176.             decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  6177.             decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  6178.             ;;

  6179.     esac

  6180. fi

  6181. 

  6182. enabled securetransport &&

  6183.     check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  6184.     check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||

  6185.         disable securetransport

  6186. 

  6187. enabled securetransport &&

  6188.     check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"

  6189. 

  6190. enabled schannel &&

  6191.     check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  6192.     test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&

  6193.     schannel_extralibs="-lsecur32" ||

  6194.         disable schannel

  6195. 

  6196. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  6197. enabled makeinfo \

  6198.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  6199.     && enable makeinfo_html || disable makeinfo_html

  6200. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  6201. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  6202. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  6203. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  6204. 

  6205. # check V4L2 codecs available in the API

  6206. check_header linux/fb.h

  6207. check_header linux/videodev2.h

  6208. test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6209. check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"

  6210. check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"

  6211. check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"

  6212. check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"

  6213. check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"

  6214. check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"

  6215. check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"

  6216. check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"

  6217. check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"

  6218. check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"

  6219. 

  6220. check_header sys/videoio.h

  6221. test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6222. 

  6223. check_lib user32 "windows.h winuser.h" GetShellWindow -luser32

  6224. check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32

  6225. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  6226. # w32api 3.12 had it defined wrong

  6227. check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"

  6228. 

  6229. check_type "dshow.h" IBaseFilter

  6230. 

  6231. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  6232. check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||

  6233.     check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||

  6234.     check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||

  6235.     check_header "dev/ic/bt8xx.h"

  6236. 

  6237. if check_struct sys/soundcard.h audio_buf_info bytes; then

  6238.     enable_sanitized sys/soundcard.h

  6239. else

  6240.     test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h

  6241.     #include <sys/soundcard.h>

  6242.     audio_buf_info abc;

  6243. EOF

  6244. fi

  6245. 

  6246. enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||

  6247.     check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound

  6248. 

  6249. enabled libjack &&

  6250.     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range

  6251. 

  6252. enabled sndio && check_lib sndio sndio.h sio_open -lsndio

  6253. 

  6254. if enabled libcdio; then

  6255.     check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||

  6256.     check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||

  6257.     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6258.     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6259.     die "ERROR: No usable libcdio/cdparanoia found"

  6260. fi

  6261. 

  6262. enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||

  6263.     disable libxcb_shm libxcb_shape libxcb_xfixes

  6264. 

  6265. if enabled libxcb; then

  6266.     enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach

  6267.     enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles

  6268.     enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image

  6269. fi

  6270. 

  6271. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  6272. 

  6273. # d3d11va requires linking directly to dxgi and d3d11 if not building for

  6274. # the desktop api partition

  6275. test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"

  6276. #ifdef WINAPI_FAMILY

  6277. #include <winapifamily.h>

  6278. #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  6279. #error desktop, not uwp

  6280. #else

  6281. // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP

  6282. #endif

  6283. #else

  6284. #error no family set

  6285. #endif

  6286. EOF

  6287. 

  6288. enabled vaapi &&

  6289.     check_lib vaapi va/va.h vaInitialize -lva

  6290. 

  6291. enabled vaapi &&

  6292.     check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"

  6293. 

  6294. if enabled vaapi; then

  6295.     check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm

  6296.     check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11

  6297. fi

  6298. 

  6299. enabled vaapi &&

  6300.     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"

  6301. 

  6302. if enabled_all opencl libdrm ; then

  6303.     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

  6304.         enable opencl_drm_beignet

  6305.     check_func_headers "CL/cl_ext.h" clImportMemoryARM &&

  6306.         enable opencl_drm_arm

  6307. fi

  6308. 

  6309. if enabled_all opencl vaapi ; then

  6310.     enabled opencl_drm_beignet && enable opencl_vaapi_beignet

  6311.     if enabled libmfx ; then

  6312.         check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&

  6313.             enable opencl_vaapi_intel_media

  6314.     fi

  6315. fi

  6316. 

  6317. if enabled_all opencl dxva2 ; then

  6318.     check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&

  6319.         enable opencl_dxva2

  6320. fi

  6321. 

  6322. if enabled_all opencl d3d11va ; then

  6323.     check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&

  6324.         enable opencl_d3d11

  6325. fi

  6326. 

  6327. enabled vdpau &&

  6328.     check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"

  6329. 

  6330. enabled vdpau &&

  6331.     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11

  6332. 

  6333. enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd

  6334. 

  6335. if enabled x86; then

  6336.     case $target_os in

  6337.         mingw32*|mingw64*|win32|win64|linux|cygwin*)

  6338.             ;;

  6339.         *)

  6340.             disable ffnvcodec cuvid nvdec nvenc

  6341.             ;;

  6342.     esac

  6343. else

  6344.     disable ffnvcodec cuvid nvdec nvenc

  6345. fi

  6346. 

  6347. enabled ffnvcodec && enable cuda

  6348. 

  6349. enabled nvenc &&

  6350.     test_cc -I$source_path <<EOF || disable nvenc

  6351. #include <ffnvcodec/nvEncodeAPI.h>

  6352. NV_ENCODE_API_FUNCTION_LIST flist;

  6353. void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }

  6354. int main(void) { return 0; }

  6355. EOF

  6356. 

  6357. enabled amf &&

  6358.     check_cpp_condition amf "AMF/core/Version.h" \

  6359.         "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"

  6360. 

  6361. # Funny iconv installations are not unusual, so check it after all flags have been set

  6362. if enabled libc_iconv; then

  6363.     check_func_headers iconv.h iconv

  6364. elif enabled iconv; then

  6365.     check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv

  6366. fi

  6367. 

  6368. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  6369. 

  6370. # add some useful compiler flags if supported

  6371. check_cflags -Wdeclaration-after-statement

  6372. check_cflags -Wall

  6373. check_cflags -Wdisabled-optimization

  6374. check_cflags -Wpointer-arith

  6375. check_cflags -Wredundant-decls

  6376. check_cflags -Wwrite-strings

  6377. check_cflags -Wtype-limits

  6378. check_cflags -Wundef

  6379. check_cflags -Wmissing-prototypes

  6380. check_cflags -Wno-pointer-to-int-cast

  6381. check_cflags -Wstrict-prototypes

  6382. check_cflags -Wempty-body

  6383. 

  6384. if enabled extra_warnings; then

  6385.     check_cflags -Wcast-qual

  6386.     check_cflags -Wextra

  6387.     check_cflags -Wpedantic

  6388. fi

  6389. 

  6390. check_disable_warning(){

  6391.     warning_flag=-W${1#-Wno-}

  6392.     test_cflags $unknown_warning_flags $warning_flag && add_cflags $1

  6393. }

  6394. 

  6395. test_cflags -Werror=unused-command-line-argument &&

  6396.     append unknown_warning_flags "-Werror=unused-command-line-argument"

  6397. test_cflags -Werror=unknown-warning-option &&

  6398.     append unknown_warning_flags "-Werror=unknown-warning-option"

  6399. 

  6400. check_disable_warning -Wno-parentheses

  6401. check_disable_warning -Wno-switch

  6402. check_disable_warning -Wno-format-zero-length

  6403. check_disable_warning -Wno-pointer-sign

  6404. check_disable_warning -Wno-unused-const-variable

  6405. check_disable_warning -Wno-bool-operation

  6406. 

  6407. check_disable_warning_headers(){

  6408.     warning_flag=-W${1#-Wno-}

  6409.     test_cflags $warning_flag && add_cflags_headers $1

  6410. }

  6411. 

  6412. check_disable_warning_headers -Wno-deprecated-declarations

  6413. check_disable_warning_headers -Wno-unused-variable

  6414. 

  6415. test_cc <<EOF && enable blocks_extension

  6416. void (^block)(void);

  6417. EOF

  6418. 

  6419. # add some linker flags

  6420. check_ldflags -Wl,--warn-common

  6421. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6422. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir

  6423. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6424. 

  6425. # add some strip flags

  6426. check_stripflags -x

  6427. 

  6428. enabled neon_clobber_test &&

  6429.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6430.                   -Wl,--wrap,avcodec_decode_audio4      \

  6431.                   -Wl,--wrap,avcodec_decode_video2      \

  6432.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6433.                   -Wl,--wrap,avcodec_encode_audio2      \

  6434.                   -Wl,--wrap,avcodec_encode_video2      \

  6435.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6436.                   -Wl,--wrap,avcodec_send_packet        \

  6437.                   -Wl,--wrap,avcodec_receive_packet     \

  6438.                   -Wl,--wrap,avcodec_send_frame         \

  6439.                   -Wl,--wrap,avcodec_receive_frame      \

  6440.                   -Wl,--wrap,swr_convert                \

  6441.                   -Wl,--wrap,avresample_convert ||

  6442.     disable neon_clobber_test

  6443. 

  6444. enabled xmm_clobber_test &&

  6445.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6446.                   -Wl,--wrap,avcodec_decode_audio4      \

  6447.                   -Wl,--wrap,avcodec_decode_video2      \

  6448.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6449.                   -Wl,--wrap,avcodec_encode_audio2      \

  6450.                   -Wl,--wrap,avcodec_encode_video2      \

  6451.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6452.                   -Wl,--wrap,avcodec_send_packet        \

  6453.                   -Wl,--wrap,avcodec_receive_packet     \

  6454.                   -Wl,--wrap,avcodec_send_frame         \

  6455.                   -Wl,--wrap,avcodec_receive_frame      \

  6456.                   -Wl,--wrap,swr_convert                \

  6457.                   -Wl,--wrap,avresample_convert         \

  6458.                   -Wl,--wrap,sws_scale ||

  6459.     disable xmm_clobber_test

  6460. 

  6461. check_ld "cc" proper_dce <<EOF

  6462. extern const int array[512];

  6463. static inline int func(void) { return array[0]; }

  6464. int main(void) { return 0; }

  6465. EOF

  6466. 

  6467. if enabled proper_dce; then

  6468.     echo "X { local: *; };" > $TMPV

  6469.     if test_ldflags -Wl,${version_script},$TMPV; then

  6470.         append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'

  6471.         quotes='""'

  6472.         test_cc <<EOF && enable symver_asm_label

  6473. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6474. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6475. EOF

  6476.         test_cc <<EOF && enable symver_gnu_asm

  6477. __asm__(".symver ff_foo,av_foo@VERSION");

  6478. void ff_foo(void) {}

  6479. EOF

  6480.     fi

  6481. fi

  6482. 

  6483. if [ -z "$optflags" ]; then

  6484.     if enabled small; then

  6485.         optflags=$cflags_size

  6486.     elif enabled optimizations; then

  6487.         optflags=$cflags_speed

  6488.     else

  6489.         optflags=$cflags_noopt

  6490.     fi

  6491. fi

  6492. 

  6493. if [ -z "$nvccflags" ]; then

  6494.     nvccflags=$nvccflags_default

  6495. fi

  6496. 

  6497. if enabled x86_64 || enabled ppc64 || enabled aarch64; then

  6498.     nvccflags="$nvccflags -m64"

  6499. else

  6500.     nvccflags="$nvccflags -m32"

  6501. fi

  6502. 

  6503. check_optflags(){

  6504.     check_cflags "$@"

  6505.     enabled lto && check_ldflags "$@"

  6506. }

  6507. 

  6508. check_optflags $optflags

  6509. check_optflags -fno-math-errno

  6510. check_optflags -fno-signed-zeros

  6511. 

  6512. if enabled lto; then

  6513.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6514.     check_cflags  -flto

  6515.     check_ldflags -flto $cpuflags

  6516.     disable inline_asm_direct_symbol_refs

  6517. fi

  6518. 

  6519. enabled ftrapv && check_cflags -ftrapv

  6520. 

  6521. test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6522. int x;

  6523. EOF

  6524. 

  6525. 

  6526. if enabled icc; then

  6527.     # Just warnings, no remarks

  6528.     check_cflags -w1

  6529.     # -wd: Disable following warnings

  6530.     # 144, 167, 556: -Wno-pointer-sign

  6531.     # 188: enumerated type mixed with another type

  6532.     # 1292: attribute "foo" ignored

  6533.     # 1419: external declaration in primary source file

  6534.     # 10006: ignoring unknown option -fno-signed-zeros

  6535.     # 10148: ignoring unknown option -Wno-parentheses

  6536.     # 10156: ignoring option '-W'; no argument required

  6537.     # 13200: No EMMS instruction before call to function

  6538.     # 13203: No EMMS instruction before return from function

  6539.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6540.     # 11030: Warning unknown option --as-needed

  6541.     # 10156: ignoring option '-export'; no argument required

  6542.     check_ldflags -wd10156,11030

  6543.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6544.     enable ebp_available

  6545.     # The test above does not test linking

  6546.     enabled lto && disable symver_asm_label

  6547.     if enabled x86_32; then

  6548.         icc_version=$($cc -dumpversion)

  6549.         test ${icc_version%%.*} -ge 11 &&

  6550.             check_cflags -falign-stack=maintain-16-byte ||

  6551.             disable aligned_stack

  6552.     fi

  6553. elif enabled gcc; then

  6554.     check_optflags -fno-tree-vectorize

  6555.     check_cflags -Werror=format-security

  6556.     check_cflags -Werror=implicit-function-declaration

  6557.     check_cflags -Werror=missing-prototypes

  6558.     check_cflags -Werror=return-type

  6559.     check_cflags -Werror=vla

  6560.     check_cflags -Wformat

  6561.     check_cflags -fdiagnostics-color=auto

  6562.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6563.     if enabled x86_32; then

  6564.         case $target_os in

  6565.         *bsd*)

  6566.             # BSDs don't guarantee a 16 byte aligned stack, but we can

  6567.             # request GCC to try to maintain 16 byte alignment throughout

  6568.             # function calls. Library entry points that might call assembly

  6569.             # functions align the stack. (The parameter means 2^4 bytes.)

  6570.             check_cflags -mpreferred-stack-boundary=4

  6571.             ;;

  6572.         esac

  6573.     fi

  6574. elif enabled llvm_gcc; then

  6575.     check_cflags -mllvm -stack-alignment=16

  6576. elif enabled clang; then

  6577.     if enabled x86_32; then

  6578.         # Clang doesn't support maintaining alignment without assuming the

  6579.         # same alignment in every function. If 16 byte alignment would be

  6580.         # enabled, one would also have to either add attribute_align_arg on

  6581.         # every single entry point into the libraries or enable -mstackrealign

  6582.         # (doing stack realignment in every single function).

  6583.         case $target_os in

  6584.         mingw32|win32|*bsd*)

  6585.             disable aligned_stack

  6586.             ;;

  6587.         *)

  6588.             check_cflags -mllvm -stack-alignment=16

  6589.             check_cflags -mstack-alignment=16

  6590.             ;;

  6591.         esac

  6592.     else

  6593.         check_cflags -mllvm -stack-alignment=16

  6594.         check_cflags -mstack-alignment=16

  6595.     fi

  6596.     check_cflags -Qunused-arguments

  6597.     check_cflags -Werror=implicit-function-declaration

  6598.     check_cflags -Werror=missing-prototypes

  6599.     check_cflags -Werror=return-type

  6600. elif enabled cparser; then

  6601.     add_cflags -Wno-missing-variable-declarations

  6602.     add_cflags -Wno-empty-statement

  6603. elif enabled armcc; then

  6604.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6605.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6606.     # 2523: use of inline assembly is deprecated

  6607.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6608.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6609.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6610.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6611.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6612.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6613. elif enabled pathscale; then

  6614.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6615.     disable inline_asm

  6616. elif enabled_any msvc icl; then

  6617.     enabled x86_32 && disable aligned_stack

  6618.     enabled_all x86_32 debug && add_cflags -Oy-

  6619.     enabled debug && add_ldflags -debug

  6620.     enable pragma_deprecated

  6621.     if enabled icl; then

  6622.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6623.         # (correctly) on icl 13.x.

  6624.         test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6625.             add_cflags -Qansi-alias

  6626.         # Some inline asm is not compilable in debug

  6627.         if enabled debug; then

  6628.             disable ebp_available

  6629.             disable ebx_available

  6630.         fi

  6631.     fi

  6632.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6633.     check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"

  6634.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6635.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6636.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6637.     # MSVC 2013 and newer can handle it fine.

  6638.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6639.     # happens in config.h.

  6640.     if [ $restrict_keyword != restrict ]; then

  6641.         test_cc <<EOF || add_cflags -FIstdlib.h

  6642. __declspec($restrict_keyword) void *foo(int);

  6643. EOF

  6644.     fi

  6645.     # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code

  6646.     # Issue has been fixed in MSVC v19.00.24218.

  6647.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||

  6648.         check_cflags -d2SSAOptimizer-

  6649.     # enable utf-8 source processing on VS2015 U2 and newer

  6650.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&

  6651.         add_cflags -utf-8

  6652. fi

  6653. 

  6654. for pfx in "" host_; do

  6655.     varname=${pfx%_}cc_type

  6656.     eval "type=\$$varname"

  6657.     if [ "$type" = "msvc" ]; then

  6658.         test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6659. static inline int foo(int a) { return a; }

  6660. EOF

  6661.     fi

  6662. done

  6663. 

  6664. case $as_type in

  6665.     clang)

  6666.         add_asflags -Qunused-arguments

  6667.     ;;

  6668. esac

  6669. 

  6670. case $ld_type in

  6671.     clang)

  6672.         check_ldflags -Qunused-arguments

  6673.     ;;

  6674. esac

  6675. 

  6676. enable frame_thread_encoder

  6677. 

  6678. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6679. 

  6680. check_deps $CONFIG_LIST       \

  6681.            $CONFIG_EXTRA      \

  6682.            $HAVE_LIST         \

  6683.            $ALL_COMPONENTS    \

  6684. 

  6685. 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"

  6686. enabled avresample && warn "Building with deprecated library libavresample"

  6687. 

  6688. if test $target_os = "haiku"; then

  6689.     disable memalign

  6690.     disable posix_memalign

  6691. fi

  6692. 

  6693. flatten_extralibs(){

  6694.     unset nested_entries

  6695.     list_name=$1

  6696.     eval list=\$${1}

  6697.     for entry in $list; do

  6698.         entry_copy=$entry

  6699.         resolve entry_copy

  6700.         append nested_entries $(filter '*_extralibs' $entry_copy)

  6701.         flat_entries=$(filter_out '*_extralibs' $entry_copy)

  6702.         eval $entry="\$flat_entries"

  6703.     done

  6704.     append $list_name "$nested_entries"

  6705. 

  6706.     resolve nested_entries

  6707.     if test -n "$(filter '*_extralibs' $nested_entries)"; then

  6708.         flatten_extralibs $list_name

  6709.     fi

  6710. }

  6711. 

  6712. flatten_extralibs_wrapper(){

  6713.     list_name=$1

  6714.     flatten_extralibs $list_name

  6715.     unique $list_name

  6716.     resolve $list_name

  6717.     eval $list_name=\$\(\$ldflags_filter \$$list_name\)

  6718.     eval printf \''%s'\' \""\$$list_name"\"

  6719. }

  6720. 

  6721. for linkunit in $LIBRARY_LIST; do

  6722.     unset current_extralibs

  6723.     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST

  6724.     for comp in ${components}; do

  6725.         enabled $comp || continue

  6726.         comp_extralibs="${comp}_extralibs"

  6727.         append current_extralibs $comp_extralibs

  6728.     done

  6729.     eval prepend ${linkunit}_extralibs $current_extralibs

  6730. done

  6731. 

  6732. for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  6733.     eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)

  6734. done

  6735. 

  6736. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6737. 

  6738. for thread in $THREADS_LIST; do

  6739.     if enabled $thread; then

  6740.         test -n "$thread_type" &&

  6741.             die "ERROR: Only one thread type must be selected." ||

  6742.             thread_type="$thread"

  6743.     fi

  6744. done

  6745. 

  6746. if disabled stdatomic; then

  6747.     if enabled atomics_gcc; then

  6748.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'

  6749.     elif enabled atomics_win32; then

  6750.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'

  6751.     elif enabled atomics_suncc; then

  6752.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'

  6753.     elif enabled pthreads; then

  6754.         add_compat atomics/pthread/stdatomic.o

  6755.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'

  6756.     else

  6757.         enabled threads && die "Threading is enabled, but no atomics are available"

  6758.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'

  6759.     fi

  6760. fi

  6761. 

  6762. # Check if requested libraries were found.

  6763. for lib in $AUTODETECT_LIBS; do

  6764.     requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";

  6765. done

  6766. 

  6767. enabled zlib && add_cppflags -DZLIB_CONST

  6768. 

  6769. # conditional library dependencies, in linking order

  6770. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6771. enabled afir_filter         && prepend avfilter_deps "avcodec"

  6772. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6773. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6774. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6775. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6776. enabled convolve_filter     && prepend avfilter_deps "avcodec"

  6777. enabled deconvolve_filter   && prepend avfilter_deps "avcodec"

  6778. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6779. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6780. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6781. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6782. enabled firequalizer_filter && prepend avfilter_deps "avcodec"

  6783. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6784. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6785. enabled pan_filter          && prepend avfilter_deps "swresample"

  6786. enabled pp_filter           && prepend avfilter_deps "postproc"

  6787. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6788. enabled resample_filter && prepend avfilter_deps "avresample"

  6789. enabled sab_filter          && prepend avfilter_deps "swscale"

  6790. enabled scale_filter    && prepend avfilter_deps "swscale"

  6791. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6792. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6793. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6794. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6795. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6796. enabled signature_filter    && prepend avfilter_deps "avcodec avformat"

  6797. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6798. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6799. enabled spp_filter          && prepend avfilter_deps "avcodec"

  6800. enabled srcnn_filter        && prepend avfilter_deps "avformat"

  6801. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6802. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6803. enabled zoompan_filter      && prepend avfilter_deps "swscale"

  6804. 

  6805. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6806. 

  6807. #FIXME

  6808. enabled sdl2_outdev     && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)

  6809. 

  6810. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6811. 

  6812. expand_deps(){

  6813.     lib_deps=${1}_deps

  6814.     eval "deps=\$$lib_deps"

  6815.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6816.     unique $lib_deps

  6817. }

  6818. 

  6819. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6820. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6821. 

  6822. map 'expand_deps $v' $LIBRARY_LIST

  6823. 

  6824. if test "$quiet" != "yes"; then

  6825. 

  6826. echo "install prefix            $prefix"

  6827. echo "source path               $source_path"

  6828. echo "C compiler                $cc"

  6829. echo "C library                 $libc_type"

  6830. if test "$host_cc" != "$cc"; then

  6831.     echo "host C compiler           $host_cc"

  6832.     echo "host C library            $host_libc_type"

  6833. fi

  6834. echo "ARCH                      $arch ($cpu)"

  6835. if test "$build_suffix" != ""; then

  6836.     echo "build suffix              $build_suffix"

  6837. fi

  6838. if test "$progs_suffix" != ""; then

  6839.     echo "progs suffix              $progs_suffix"

  6840. fi

  6841. if test "$extra_version" != ""; then

  6842.     echo "version string suffix     $extra_version"

  6843. fi

  6844. echo "big-endian                ${bigendian-no}"

  6845. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6846. if enabled x86; then

  6847.     echo "standalone assembly       ${x86asm-no}"

  6848.     echo "x86 assembler             ${x86asmexe}"

  6849.     echo "MMX enabled               ${mmx-no}"

  6850.     echo "MMXEXT enabled            ${mmxext-no}"

  6851.     echo "3DNow! enabled            ${amd3dnow-no}"

  6852.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6853.     echo "SSE enabled               ${sse-no}"

  6854.     echo "SSSE3 enabled             ${ssse3-no}"

  6855.     echo "AESNI enabled             ${aesni-no}"

  6856.     echo "AVX enabled               ${avx-no}"

  6857.     echo "AVX2 enabled              ${avx2-no}"

  6858.     echo "AVX-512 enabled           ${avx512-no}"

  6859.     echo "XOP enabled               ${xop-no}"

  6860.     echo "FMA3 enabled              ${fma3-no}"

  6861.     echo "FMA4 enabled              ${fma4-no}"

  6862.     echo "i686 features enabled     ${i686-no}"

  6863.     echo "CMOV is fast              ${fast_cmov-no}"

  6864.     echo "EBX available             ${ebx_available-no}"

  6865.     echo "EBP available             ${ebp_available-no}"

  6866. fi

  6867. if enabled aarch64; then

  6868.     echo "NEON enabled              ${neon-no}"

  6869.     echo "VFP enabled               ${vfp-no}"

  6870. fi

  6871. if enabled arm; then

  6872.     echo "ARMv5TE enabled           ${armv5te-no}"

  6873.     echo "ARMv6 enabled             ${armv6-no}"

  6874.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6875.     echo "VFP enabled               ${vfp-no}"

  6876.     echo "NEON enabled              ${neon-no}"

  6877.     echo "THUMB enabled             ${thumb-no}"

  6878. fi

  6879. if enabled mips; then

  6880.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6881.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6882.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6883.     echo "MIPS MSA enabled          ${msa-no}"

  6884.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6885. fi

  6886. if enabled ppc; then

  6887.     echo "AltiVec enabled           ${altivec-no}"

  6888.     echo "VSX enabled               ${vsx-no}"

  6889.     echo "POWER8 enabled            ${power8-no}"

  6890.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6891.     echo "dcbzl available           ${dcbzl-no}"

  6892. fi

  6893. echo "debug symbols             ${debug-no}"

  6894. echo "strip symbols             ${stripping-no}"

  6895. echo "optimize for size         ${small-no}"

  6896. echo "optimizations             ${optimizations-no}"

  6897. echo "static                    ${static-no}"

  6898. echo "shared                    ${shared-no}"

  6899. echo "postprocessing support    ${postproc-no}"

  6900. echo "network support           ${network-no}"

  6901. echo "threading support         ${thread_type-no}"

  6902. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6903. echo "texi2html enabled         ${texi2html-no}"

  6904. echo "perl enabled              ${perl-no}"

  6905. echo "pod2man enabled           ${pod2man-no}"

  6906. echo "makeinfo enabled          ${makeinfo-no}"

  6907. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6908. test -n "$random_seed" &&

  6909.     echo "random seed               ${random_seed}"

  6910. echo

  6911. 

  6912. echo "External libraries:"

  6913. print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns

  6914. echo

  6915. 

  6916. echo "External libraries providing hardware acceleration:"

  6917. print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns

  6918. echo

  6919. 

  6920. echo "Libraries:"

  6921. print_enabled '' $LIBRARY_LIST | print_in_columns

  6922. echo

  6923. 

  6924. echo "Programs:"

  6925. print_enabled '' $PROGRAM_LIST | print_in_columns

  6926. echo

  6927. 

  6928. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6929.     echo "Enabled ${type}s:"

  6930.     eval list=\$$(toupper $type)_LIST

  6931.     print_enabled '_*' $list | print_in_columns

  6932.     echo

  6933. done

  6934. 

  6935. if test -n "$ignore_tests"; then

  6936.     ignore_tests=$(echo $ignore_tests | tr ',' ' ')

  6937.     echo "Ignored FATE tests:"

  6938.     echo $ignore_tests | print_in_columns

  6939.     echo

  6940. fi

  6941. 

  6942. echo "License: $license"

  6943. 

  6944. fi # test "$quiet" != "yes"

  6945. 

  6946. if test -n "$WARNINGS"; then

  6947.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6948.     enabled fatal_warnings && exit 1

  6949. fi

  6950. 

  6951. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6952. 

  6953. esc(){

  6954.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  6955. }

  6956. 

  6957. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate

  6958. 

  6959. enabled stripping || strip="echo skipping strip"

  6960. enabled stripping || striptype=""

  6961. 

  6962. config_files="$TMPH ffbuild/config.mak doc/config.texi"

  6963. 

  6964. cat > ffbuild/config.mak <<EOF

  6965. # Automatically generated by configure - do not modify!

  6966. ifndef FFMPEG_CONFIG_MAK

  6967. FFMPEG_CONFIG_MAK=1

  6968. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6969. prefix=$prefix

  6970. LIBDIR=\$(DESTDIR)$libdir

  6971. SHLIBDIR=\$(DESTDIR)$shlibdir

  6972. INCDIR=\$(DESTDIR)$incdir

  6973. BINDIR=\$(DESTDIR)$bindir

  6974. DATADIR=\$(DESTDIR)$datadir

  6975. DOCDIR=\$(DESTDIR)$docdir

  6976. MANDIR=\$(DESTDIR)$mandir

  6977. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6978. INSTALL_NAME_DIR=$install_name_dir

  6979. SRC_PATH=$source_path

  6980. SRC_LINK=$source_link

  6981. ifndef MAIN_MAKEFILE

  6982. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6983. endif

  6984. CC_IDENT=$cc_ident

  6985. ARCH=$arch

  6986. INTRINSICS=$intrinsics

  6987. EXTERN_PREFIX=$extern_prefix

  6988. CC=$cc

  6989. CXX=$cxx

  6990. AS=$as

  6991. OBJCC=$objcc

  6992. LD=$ld

  6993. DEPCC=$dep_cc

  6994. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6995. DEPAS=$as

  6996. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6997. X86ASM=$x86asmexe

  6998. DEPX86ASM=$x86asmexe

  6999. DEPX86ASMFLAGS=\$(X86ASMFLAGS)

  7000. AR=$ar

  7001. ARFLAGS=$arflags

  7002. AR_O=$ar_o

  7003. AR_CMD=$ar

  7004. NM_CMD=$nm

  7005. RANLIB=$ranlib

  7006. STRIP=$strip

  7007. STRIPTYPE=$striptype

  7008. NVCC=$nvcc

  7009. CP=cp -p

  7010. LN_S=$ln_s

  7011. CPPFLAGS=$CPPFLAGS

  7012. CFLAGS=$CFLAGS

  7013. CXXFLAGS=$CXXFLAGS

  7014. OBJCFLAGS=$OBJCFLAGS

  7015. ASFLAGS=$ASFLAGS

  7016. NVCCFLAGS=$nvccflags

  7017. AS_C=$AS_C

  7018. AS_O=$AS_O

  7019. OBJCC_C=$OBJCC_C

  7020. OBJCC_E=$OBJCC_E

  7021. OBJCC_O=$OBJCC_O

  7022. CC_C=$CC_C

  7023. CC_E=$CC_E

  7024. CC_O=$CC_O

  7025. CXX_C=$CXX_C

  7026. CXX_O=$CXX_O

  7027. NVCC_C=$NVCC_C

  7028. NVCC_O=$NVCC_O

  7029. LD_O=$LD_O

  7030. X86ASM_O=$X86ASM_O

  7031. LD_LIB=$LD_LIB

  7032. LD_PATH=$LD_PATH

  7033. DLLTOOL=$dlltool

  7034. WINDRES=$windres

  7035. DEPWINDRES=$dep_cc

  7036. DOXYGEN=$doxygen

  7037. LDFLAGS=$LDFLAGS

  7038. LDEXEFLAGS=$LDEXEFLAGS

  7039. LDSOFLAGS=$LDSOFLAGS

  7040. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  7041. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  7042. X86ASMFLAGS=$X86ASMFLAGS

  7043. BUILDSUF=$build_suffix

  7044. PROGSSUF=$progs_suffix

  7045. FULLNAME=$FULLNAME

  7046. LIBPREF=$LIBPREF

  7047. LIBSUF=$LIBSUF

  7048. LIBNAME=$LIBNAME

  7049. SLIBPREF=$SLIBPREF

  7050. SLIBSUF=$SLIBSUF

  7051. EXESUF=$EXESUF

  7052. EXTRA_VERSION=$extra_version

  7053. CCDEP=$CCDEP

  7054. CXXDEP=$CXXDEP

  7055. CCDEP_FLAGS=$CCDEP_FLAGS

  7056. ASDEP=$ASDEP

  7057. ASDEP_FLAGS=$ASDEP_FLAGS

  7058. X86ASMDEP=$X86ASMDEP

  7059. X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS

  7060. CC_DEPFLAGS=$CC_DEPFLAGS

  7061. AS_DEPFLAGS=$AS_DEPFLAGS

  7062. X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS

  7063. HOSTCC=$host_cc

  7064. HOSTLD=$host_ld

  7065. HOSTCFLAGS=$host_cflags

  7066. HOSTCPPFLAGS=$host_cppflags

  7067. HOSTEXESUF=$HOSTEXESUF

  7068. HOSTLDFLAGS=$host_ldflags

  7069. HOSTEXTRALIBS=$host_extralibs

  7070. DEPHOSTCC=$host_cc

  7071. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  7072. HOSTCCDEP=$HOSTCCDEP

  7073. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  7074. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  7075. HOSTCC_C=$HOSTCC_C

  7076. HOSTCC_O=$HOSTCC_O

  7077. HOSTLD_O=$HOSTLD_O

  7078. TARGET_EXEC=$target_exec $target_exec_args

  7079. TARGET_PATH=$target_path

  7080. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  7081. CFLAGS-ffplay=${sdl2_cflags}

  7082. CFLAGS_HEADERS=$CFLAGS_HEADERS

  7083. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  7084. EXTRALIBS=$extralibs

  7085. COMPAT_OBJS=$compat_objs

  7086. INSTALL=$install

  7087. LIBTARGET=${LIBTARGET}

  7088. SLIBNAME=${SLIBNAME}

  7089. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  7090. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  7091. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  7092. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  7093. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  7094. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  7095. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  7096. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  7097. VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}

  7098. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  7099. NOREDZONE_FLAGS=$noredzone_flags

  7100. LIBFUZZER_PATH=$libfuzzer_path

  7101. IGNORE_TESTS=$ignore_tests

  7102. EOF

  7103. 

  7104. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST

  7105. 

  7106. for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7107.     eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak

  7108. done

  7109. 

  7110. cat > $TMPH <<EOF

  7111. /* Automatically generated by configure - do not modify! */

  7112. #ifndef FFMPEG_CONFIG_H

  7113. #define FFMPEG_CONFIG_H

  7114. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  7115. #define FFMPEG_LICENSE "$(c_escape $license)"

  7116. #define CONFIG_THIS_YEAR 2018

  7117. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  7118. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  7119. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  7120. #define av_restrict $restrict_keyword

  7121. #define EXTERN_PREFIX "${extern_prefix}"

  7122. #define EXTERN_ASM ${extern_prefix}

  7123. #define BUILDSUF "$build_suffix"

  7124. #define SLIBSUF "$SLIBSUF"

  7125. #define HAVE_MMX2 HAVE_MMXEXT

  7126. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  7127. EOF

  7128. 

  7129. test -n "$assert_level" &&

  7130.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  7131. 

  7132. test -n "$malloc_prefix" &&

  7133.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  7134. 

  7135. if enabled x86asm; then

  7136.     append config_files $TMPASM

  7137.     cat > $TMPASM <<EOF

  7138. ; Automatically generated by configure - do not modify!

  7139. EOF

  7140. fi

  7141. 

  7142. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  7143. 

  7144. 

  7145. mkdir -p doc

  7146. mkdir -p tests

  7147. mkdir -p tests/api

  7148. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  7149. 

  7150. print_config ARCH_   "$config_files" $ARCH_LIST

  7151. print_config HAVE_   "$config_files" $HAVE_LIST

  7152. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  7153.                                      $CONFIG_EXTRA      \

  7154.                                      $ALL_COMPONENTS    \

  7155. 

  7156. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  7157. echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak

  7158. 

  7159. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  7160. cp_if_changed $TMPH config.h

  7161. touch ffbuild/.config

  7162. 

  7163. enabled x86asm && cp_if_changed $TMPASM config.asm

  7164. 

  7165. cat > $TMPH <<EOF

  7166. /* Generated by ffmpeg configure */

  7167. #ifndef AVUTIL_AVCONFIG_H

  7168. #define AVUTIL_AVCONFIG_H

  7169. EOF

  7170. 

  7171. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  7172. 

  7173. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  7174. 

  7175. cp_if_changed $TMPH libavutil/avconfig.h

  7176. 

  7177. full_filter_name(){

  7178.     sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_$1;/\1_$1/p" $source_path/libavfilter/allfilters.c

  7179. }

  7180. 

  7181. # generate the lists of enabled components

  7182. print_enabled_components(){

  7183.     file=$1

  7184.     struct_name=$2

  7185.     name=$3

  7186.     shift 3

  7187.     echo "static const $struct_name * const $name[] = {" > $TMPH

  7188.     for c in $*; do

  7189.         if enabled $c; then

  7190.             case $name in

  7191.                 filter_list)

  7192.                     c=$(full_filter_name $(remove_suffix _filter $c))

  7193.                 ;;

  7194.                 indev_list)

  7195.                     c=$(add_suffix _demuxer $(remove_suffix _indev $c))

  7196.                 ;;

  7197.                 outdev_list)

  7198.                     c=$(add_suffix _muxer $(remove_suffix _outdev $c))

  7199.                 ;;

  7200.             esac

  7201.             printf "    &ff_%s,\n" $c >> $TMPH

  7202.         fi

  7203.     done

  7204.     if [ "$name" = "filter_list" ]; then

  7205.         for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do

  7206.             printf "    &ff_%s,\n" $c >> $TMPH

  7207.         done

  7208.     fi

  7209.     echo "    NULL };" >> $TMPH

  7210.     cp_if_changed $TMPH $file

  7211. }

  7212. 

  7213. print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST

  7214. print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST

  7215. print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST

  7216. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  7217. print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST

  7218. print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST

  7219. print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST

  7220. print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST

  7221. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  7222. 

  7223. # Settings for pkg-config files

  7224. 

  7225. cat > $TMPH <<EOF

  7226. # Automatically generated by configure - do not modify!

  7227. shared=$shared

  7228. build_suffix=$build_suffix

  7229. prefix=$prefix

  7230. libdir=$libdir

  7231. incdir=$incdir

  7232. rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")

  7233. source_path=${source_path}

  7234. LIBPREF=${LIBPREF}

  7235. LIBSUF=${LIBSUF}

  7236. extralibs_avutil="$avutil_extralibs"

  7237. extralibs_avcodec="$avcodec_extralibs"

  7238. extralibs_avformat="$avformat_extralibs"

  7239. extralibs_avdevice="$avdevice_extralibs"

  7240. extralibs_avfilter="$avfilter_extralibs"

  7241. extralibs_avresample="$avresample_extralibs"

  7242. extralibs_postproc="$postproc_extralibs"

  7243. extralibs_swscale="$swscale_extralibs"

  7244. extralibs_swresample="$swresample_extralibs"

  7245. EOF

  7246. 

  7247. for lib in $LIBRARY_LIST; do

  7248.     lib_deps="$(eval echo \$${lib}_deps)"

  7249.     echo ${lib}_deps=\"$lib_deps\" >> $TMPH

  7250. done

  7251. 

  7252. cp_if_changed $TMPH ffbuild/config.sh