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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-libssh          enable SFTP protocol via libssh [no]

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

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

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

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

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

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

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

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

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

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

  271.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  289.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

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

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

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

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

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

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

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

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

  302.   --disable-sdl2           disable sdl2 [autodetect]

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

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

  305.   --disable-xlib           disable xlib [autodetect]

  306.   --disable-zlib           disable zlib [autodetect]

  307. 

  308.   The following libraries provide various hardware acceleration features:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  329. 

  330. Toolchain options:

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

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

  333.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

  346.                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,

  347.                            valgrind-massif, valgrind-memcheck,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  388. 

  389. Advanced options (experts only):

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

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

  392.   --disable-symver         disable symbol versioning

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

  394.   --disable-safe-bitstream-reader

  395.                            disable buffer boundary checking in bitreaders

  396.                            (faster, but may crash)

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

  398. 

  399. Optimization options (experts only):

  400.   --disable-asm            disable all assembly optimizations

  401.   --disable-altivec        disable AltiVec optimizations

  402.   --disable-vsx            disable VSX optimizations

  403.   --disable-power8         disable POWER8 optimizations

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

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

  406.   --disable-mmx            disable MMX optimizations

  407.   --disable-mmxext         disable MMXEXT optimizations

  408.   --disable-sse            disable SSE optimizations

  409.   --disable-sse2           disable SSE2 optimizations

  410.   --disable-sse3           disable SSE3 optimizations

  411.   --disable-ssse3          disable SSSE3 optimizations

  412.   --disable-sse4           disable SSE4 optimizations

  413.   --disable-sse42          disable SSE4.2 optimizations

  414.   --disable-avx            disable AVX optimizations

  415.   --disable-xop            disable XOP optimizations

  416.   --disable-fma3           disable FMA3 optimizations

  417.   --disable-fma4           disable FMA4 optimizations

  418.   --disable-avx2           disable AVX2 optimizations

  419.   --disable-avx512         disable AVX-512 optimizations

  420.   --disable-aesni          disable AESNI optimizations

  421.   --disable-armv5te        disable armv5te optimizations

  422.   --disable-armv6          disable armv6 optimizations

  423.   --disable-armv6t2        disable armv6t2 optimizations

  424.   --disable-vfp            disable VFP optimizations

  425.   --disable-neon           disable NEON optimizations

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

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

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

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

  430.   --disable-msa            disable MSA optimizations

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

  432.   --disable-mmi            disable Loongson SIMD optimizations

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

  434. 

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

  436.   --disable-debug          disable debugging symbols

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

  438.   --disable-optimizations  disable compiler optimizations

  439.   --enable-extra-warnings  enable more compiler warnings

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

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

  442.                            2 causes a slowdown at runtime.

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

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

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

  446.                            Cannot be combined with --target-exec

  447.   --enable-ftrapv          Trap arithmetic overflows

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

  449.                            \$FATE_SAMPLES at make invocation time.

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

  451.                            used only for debugging purposes)

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

  453.                            should be used only for debugging purposes)

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

  455.   --disable-random

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

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

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

  459.                            (group) and PROB the probability associated with

  460.                            NAME (default 0.5).

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

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

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

  464.   --enable-osfuzz          Enable building fuzzer tool

  465.   --libfuzzer=PATH         path to libfuzzer

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

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

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

  469. 

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

  471. EOF

  472.   exit 0

  473. }

  474. 

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

  476.     ncolors=$(tput colors)

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

  478.         bold_color=$(tput bold)

  479.         warn_color=$(tput setaf 3)

  480.         error_color=$(tput setaf 1)

  481.         reset_color=$(tput sgr0)

  482.     fi

  483.     # 72 used instead of 80 since that's the default of pr

  484.     ncols=$(tput cols)

  485. fi

  486. : ${ncols:=72}

  487. 

  488. log(){

  489.     echo "$@" >> $logfile

  490. }

  491. 

  492. log_file(){

  493.     log BEGIN $1

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

  495.     log END $1

  496. }

  497. 

  498. warn(){

  499.     log "WARNING: $*"

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

  501. }

  502. 

  503. die(){

  504.     log "$@"

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

  506.     cat <<EOF

  507. 

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

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

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

  511. EOF

  512.     if disabled logging; then

  513.         cat <<EOF

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

  515. include the log this produces with your report.

  516. EOF

  517.     else

  518.         cat <<EOF

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

  520. solve the problem.

  521. EOF

  522.     fi

  523.     exit 1

  524. }

  525. 

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

  527. toupper(){

  528.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  529. }

  530. 

  531. tolower(){

  532.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  533. }

  534. 

  535. c_escape(){

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

  537. }

  538. 

  539. sh_quote(){

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

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

  542.     echo "$v"

  543. }

  544. 

  545. cleanws(){

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

  547. }

  548. 

  549. filter(){

  550.     pat=$1

  551.     shift

  552.     for v; do

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

  554.     done

  555. }

  556. 

  557. filter_out(){

  558.     pat=$1

  559.     shift

  560.     for v; do

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

  562.     done

  563. }

  564. 

  565. map(){

  566.     m=$1

  567.     shift

  568.     for v; do eval $m; done

  569. }

  570. 

  571. add_suffix(){

  572.     suffix=$1

  573.     shift

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

  575. }

  576. 

  577. remove_suffix(){

  578.     suffix=$1

  579.     shift

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

  581. }

  582. 

  583. set_all(){

  584.     value=$1

  585.     shift

  586.     for var in $*; do

  587.         eval $var=$value

  588.     done

  589. }

  590. 

  591. set_weak(){

  592.     value=$1

  593.     shift

  594.     for var; do

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

  596.     done

  597. }

  598. 

  599. sanitize_var_name(){

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

  601. }

  602. 

  603. set_sanitized(){

  604.     var=$1

  605.     shift

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

  607. }

  608. 

  609. get_sanitized(){

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

  611. }

  612. 

  613. pushvar(){

  614.     for pvar in $*; do

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

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

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

  618.     done

  619. }

  620. 

  621. popvar(){

  622.     for pvar in $*; do

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

  624.         test $level = 0 && continue

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

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

  627.         eval ${pvar}_level=$level

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

  629.     done

  630. }

  631. 

  632. request(){

  633.     for var in $*; do

  634.         eval ${var}_requested=yes

  635.         eval $var=

  636.     done

  637. }

  638. 

  639. enable(){

  640.     set_all yes $*

  641. }

  642. 

  643. disable(){

  644.     set_all no $*

  645. }

  646. 

  647. enable_weak(){

  648.     set_weak yes $*

  649. }

  650. 

  651. disable_weak(){

  652.     set_weak no $*

  653. }

  654. 

  655. enable_sanitized(){

  656.     for var; do

  657.         enable $(sanitize_var_name $var)

  658.     done

  659. }

  660. 

  661. disable_sanitized(){

  662.     for var; do

  663.         disable $(sanitize_var_name $var)

  664.     done

  665. }

  666. 

  667. do_enable_deep(){

  668.     for var; do

  669.         enabled $var && continue

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

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

  672.         pushvar var sgs

  673.         enable_deep $sel

  674.         popvar sgs

  675.         enable_deep_weak $sgs

  676.         popvar var

  677.     done

  678. }

  679. 

  680. enable_deep(){

  681.     do_enable_deep $*

  682.     enable $*

  683. }

  684. 

  685. enable_deep_weak(){

  686.     for var; do

  687.         disabled $var && continue

  688.         pushvar var

  689.         do_enable_deep $var

  690.         popvar var

  691.         enable_weak $var

  692.     done

  693. }

  694. 

  695. requested(){

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

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

  698. }

  699. 

  700. enabled(){

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

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

  703. }

  704. 

  705. disabled(){

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

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

  708. }

  709. 

  710. enabled_all(){

  711.     for opt; do

  712.         enabled $opt || return 1

  713.     done

  714. }

  715. 

  716. disabled_all(){

  717.     for opt; do

  718.         disabled $opt || return 1

  719.     done

  720. }

  721. 

  722. enabled_any(){

  723.     for opt; do

  724.         enabled $opt && return 0

  725.     done

  726. }

  727. 

  728. disabled_any(){

  729.     for opt; do

  730.         disabled $opt && return 0

  731.     done

  732.     return 1

  733. }

  734. 

  735. set_default(){

  736.     for opt; do

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

  738.     done

  739. }

  740. 

  741. is_in(){

  742.     value=$1

  743.     shift

  744.     for var in $*; do

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

  746.     done

  747.     return 1

  748. }

  749. 

  750. check_deps(){

  751.     for cfg; do

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

  753.         disabled ${cfg}_checking && continue

  754.         enable ${cfg}_checking

  755. 

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

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

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

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

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

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

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

  763. 

  764.         pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn

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

  766.         popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn

  767. 

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

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

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

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

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

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

  774. 

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

  776. 

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

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

  779.             is_in $dep $LIBRARY_LIST && continue

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

  781.         done

  782. 

  783.         disable ${cfg}_checking

  784.     done

  785. }

  786. 

  787. print_config(){

  788.     pfx=$1

  789.     files=$2

  790.     shift 2

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

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

  793.         {

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

  795.             v = \$2;

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

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

  798.             for (f in files) {

  799.                 file = files[f];

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

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

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

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

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

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

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

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

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

  809.                     yesno = \$2;

  810.                     c2 = tolower(c);

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

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

  813.                 }

  814.             }

  815.         }"

  816. }

  817. 

  818. print_enabled(){

  819.     suf=$1

  820.     shift

  821.     for v; do

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

  823.     done

  824. }

  825. 

  826. append(){

  827.     var=$1

  828.     shift

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

  830. }

  831. 

  832. prepend(){

  833.     var=$1

  834.     shift

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

  836. }

  837. 

  838. unique(){

  839.     var=$1

  840.     uniq_list=""

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

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

  843.     done

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

  845. }

  846. 

  847. resolve(){

  848.     var=$1

  849.     tmpvar=

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

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

  852.     done

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

  854. }

  855. 

  856. add_cppflags(){

  857.     append CPPFLAGS "$@"

  858. }

  859. 

  860. add_cflags(){

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

  862. }

  863. 

  864. add_cflags_headers(){

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

  866. }

  867. 

  868. add_cxxflags(){

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

  870. }

  871. 

  872. add_asflags(){

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

  874. }

  875. 

  876. add_objcflags(){

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

  878. }

  879. 

  880. add_ldflags(){

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

  882. }

  883. 

  884. add_ldexeflags(){

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

  886. }

  887. 

  888. add_ldsoflags(){

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

  890. }

  891. 

  892. add_stripflags(){

  893.     append ASMSTRIPFLAGS "$@"

  894. }

  895. 

  896. add_extralibs(){

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

  898. }

  899. 

  900. add_host_cppflags(){

  901.     append host_cppflags "$@"

  902. }

  903. 

  904. add_host_cflags(){

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

  906. }

  907. 

  908. add_host_ldflags(){

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

  910. }

  911. 

  912. add_compat(){

  913.     append compat_objs $1

  914.     shift

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

  916. }

  917. 

  918. test_cmd(){

  919.     log "$@"

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

  921. }

  922. 

  923. test_stat(){

  924.     log test_stat "$@"

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

  926. }

  927. 

  928. cc_o(){

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

  930. }

  931. 

  932. cc_e(){

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

  934. }

  935. 

  936. test_cc(){

  937.     log test_cc "$@"

  938.     cat > $TMPC

  939.     log_file $TMPC

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

  941. }

  942. 

  943. test_cxx(){

  944.     log test_cxx "$@"

  945.     cat > $TMPCPP

  946.     log_file $TMPCPP

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

  948. }

  949. 

  950. test_objcc(){

  951.     log test_objcc "$@"

  952.     cat > $TMPM

  953.     log_file $TMPM

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

  955. }

  956. 

  957. test_cpp(){

  958.     log test_cpp "$@"

  959.     cat > $TMPC

  960.     log_file $TMPC

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

  962. }

  963. 

  964. as_o(){

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

  966. }

  967. 

  968. test_as(){

  969.     log test_as "$@"

  970.     cat > $TMPS

  971.     log_file $TMPS

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

  973. }

  974. 

  975. check_cmd(){

  976.     log check_cmd "$@"

  977.     cmd=$1

  978.     disabled $cmd && return

  979.     disable $cmd

  980.     test_cmd $@ && enable $cmd

  981. }

  982. 

  983. check_as(){

  984.     log check_as "$@"

  985.     name=$1

  986.     code=$2

  987.     shift 2

  988.     disable $name

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

  990. $code

  991. EOF

  992. }

  993. 

  994. check_inline_asm(){

  995.     log check_inline_asm "$@"

  996.     name="$1"

  997.     code="$2"

  998.     shift 2

  999.     disable $name

  1000.     test_cc "$@" <<EOF && enable $name

  1001. void foo(void){ __asm__ volatile($code); }

  1002. EOF

  1003. }

  1004. 

  1005. check_inline_asm_flags(){

  1006.     log check_inline_asm_flags "$@"

  1007.     name="$1"

  1008.     code="$2"

  1009.     flags=''

  1010.     shift 2

  1011.     while [ "$1" != "" ]; do

  1012.       append flags $1

  1013.       shift

  1014.     done;

  1015.     disable $name

  1016.     cat > $TMPC <<EOF

  1017. void foo(void){ __asm__ volatile($code); }

  1018. EOF

  1019.     log_file $TMPC

  1020.     test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&

  1021.     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags

  1022. }

  1023. 

  1024. check_insn(){

  1025.     log check_insn "$@"

  1026.     check_inline_asm ${1}_inline "$2"

  1027.     check_as ${1}_external "$2"

  1028. }

  1029. 

  1030. test_x86asm(){

  1031.     log test_x86asm "$@"

  1032.     echo "$1" > $TMPS

  1033.     log_file $TMPS

  1034.     shift 1

  1035.     test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS

  1036. }

  1037. 

  1038. ld_o(){

  1039.     eval printf '%s\\n' $LD_O

  1040. }

  1041. 

  1042. test_ld(){

  1043.     log test_ld "$@"

  1044.     type=$1

  1045.     shift 1

  1046.     flags=$(filter_out '-l*|*.so' $@)

  1047.     libs=$(filter '-l*|*.so' $@)

  1048.     test_$type $($cflags_filter $flags) || return

  1049.     flags=$($ldflags_filter $flags)

  1050.     libs=$($ldflags_filter $libs)

  1051.     test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  1052. }

  1053. 

  1054. check_ld(){

  1055.     log check_ld "$@"

  1056.     type=$1

  1057.     name=$2

  1058.     shift 2

  1059.     disable $name

  1060.     test_ld $type $@ && enable $name

  1061. }

  1062. 

  1063. print_include(){

  1064.     hdr=$1

  1065.     test "${hdr%.h}" = "${hdr}" &&

  1066.         echo "#include $hdr"    ||

  1067.         echo "#include <$hdr>"

  1068. }

  1069. 

  1070. test_code(){

  1071.     log test_code "$@"

  1072.     check=$1

  1073.     headers=$2

  1074.     code=$3

  1075.     shift 3

  1076.     {

  1077.         for hdr in $headers; do

  1078.             print_include $hdr

  1079.         done

  1080.         echo "int main(void) { $code; return 0; }"

  1081.     } | test_$check "$@"

  1082. }

  1083. 

  1084. check_cppflags(){

  1085.     log check_cppflags "$@"

  1086.     test_cpp "$@" <<EOF && append CPPFLAGS "$@"

  1087. #include <stdlib.h>

  1088. EOF

  1089. }

  1090. 

  1091. test_cflags(){

  1092.     log test_cflags "$@"

  1093.     set -- $($cflags_filter "$@")

  1094.     test_cc "$@" <<EOF

  1095. int x;

  1096. EOF

  1097. }

  1098. 

  1099. check_cflags(){

  1100.     log check_cflags "$@"

  1101.     test_cflags "$@" && add_cflags "$@"

  1102. }

  1103. 

  1104. check_cxxflags(){

  1105.     log check_cxxflags "$@"

  1106.     set -- $($cflags_filter "$@")

  1107.     test_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1108. int x;

  1109. EOF

  1110. }

  1111. 

  1112. test_objcflags(){

  1113.     log test_objcflags "$@"

  1114.     set -- $($objcflags_filter "$@")

  1115.     test_objcc "$@" <<EOF

  1116. int x;

  1117. EOF

  1118. }

  1119. 

  1120. check_objcflags(){

  1121.     log check_objcflags "$@"

  1122.     test_objcflags "$@" && add_objcflags "$@"

  1123. }

  1124. 

  1125. test_ldflags(){

  1126.     log test_ldflags "$@"

  1127.     set -- $($ldflags_filter "$@")

  1128.     test_ld "cc" "$@" <<EOF

  1129. int main(void){ return 0; }

  1130. EOF

  1131. }

  1132. 

  1133. check_ldflags(){

  1134.     log check_ldflags "$@"

  1135.     test_ldflags "$@" && add_ldflags "$@"

  1136. }

  1137. 

  1138. test_stripflags(){

  1139.     log test_stripflags "$@"

  1140.     # call test_cc to get a fresh TMPO

  1141.     test_cc <<EOF

  1142. int main(void) { return 0; }

  1143. EOF

  1144.     test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1145. }

  1146. 

  1147. check_stripflags(){

  1148.     log check_stripflags "$@"

  1149.     test_stripflags "$@" && add_stripflags "$@"

  1150. }

  1151. 

  1152. check_header(){

  1153.     log check_header "$@"

  1154.     headers=$1

  1155.     shift

  1156.     disable_sanitized $headers

  1157.     {

  1158.         for hdr in $headers; do

  1159.             print_include $hdr

  1160.         done

  1161.         echo "int x;"

  1162.     } | test_cpp "$@" && enable_sanitized $headers

  1163. }

  1164. 

  1165. check_header_objcc(){

  1166.     log check_header_objcc "$@"

  1167.     rm -f -- "$TMPO"

  1168.     header=$1

  1169.     shift

  1170.     disable_sanitized $header

  1171.     {

  1172.        echo "#include <$header>"

  1173.        echo "int main(void) { return 0; }"

  1174.     } | test_objcc && test_stat "$TMPO" && enable_sanitized $header

  1175. }

  1176. 

  1177. check_apple_framework(){

  1178.     log check_apple_framework "$@"

  1179.     framework="$1"

  1180.     name="$(tolower $framework)"

  1181.     header="${framework}/${framework}.h"

  1182.     disable $name

  1183.     check_header_objcc $header &&

  1184.         enable $name && eval ${name}_extralibs='"-framework $framework"'

  1185. }

  1186. 

  1187. check_func(){

  1188.     log check_func "$@"

  1189.     func=$1

  1190.     shift

  1191.     disable $func

  1192.     test_ld "cc" "$@" <<EOF && enable $func

  1193. extern int $func();

  1194. int main(void){ $func(); }

  1195. EOF

  1196. }

  1197. 

  1198. check_complexfunc(){

  1199.     log check_complexfunc "$@"

  1200.     func=$1

  1201.     narg=$2

  1202.     shift 2

  1203.     test $narg = 2 && args="f, g" || args="f * I"

  1204.     disable $func

  1205.     test_ld "cc" "$@" <<EOF && enable $func

  1206. #include <complex.h>

  1207. #include <math.h>

  1208. float foo(complex float f, complex float g) { return $func($args); }

  1209. int main(void){ return (int) foo; }

  1210. EOF

  1211. }

  1212. 

  1213. check_mathfunc(){

  1214.     log check_mathfunc "$@"

  1215.     func=$1

  1216.     narg=$2

  1217.     shift 2

  1218.     test $narg = 2 && args="f, g" || args="f"

  1219.     disable $func

  1220.     test_ld "cc" "$@" <<EOF && enable $func

  1221. #include <math.h>

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

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

  1224. EOF

  1225. }

  1226. 

  1227. check_func_headers(){

  1228.     log check_func_headers "$@"

  1229.     headers=$1

  1230.     funcs=$2

  1231.     shift 2

  1232.     {

  1233.         for hdr in $headers; do

  1234.             print_include $hdr

  1235.         done

  1236.         echo "#include <stdint.h>"

  1237.         for func in $funcs; do

  1238.             echo "long check_$func(void) { return (long) $func; }"

  1239.         done

  1240.         echo "int main(void) { int ret = 0;"

  1241.         # LTO could optimize out the test functions without this

  1242.         for func in $funcs; do

  1243.             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"

  1244.         done

  1245.         echo "return ret; }"

  1246.     } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers

  1247. }

  1248. 

  1249. check_class_headers_cpp(){

  1250.     log check_class_headers_cpp "$@"

  1251.     headers=$1

  1252.     classes=$2

  1253.     shift 2

  1254.     {

  1255.         for hdr in $headers; do

  1256.             echo "#include <$hdr>"

  1257.         done

  1258.         echo "int main(void) { "

  1259.         i=1

  1260.         for class in $classes; do

  1261.             echo "$class obj$i;"

  1262.             i=$(expr $i + 1)

  1263.         done

  1264.         echo "return 0; }"

  1265.     } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers

  1266. }

  1267. 

  1268. test_cpp_condition(){

  1269.     log test_cpp_condition "$@"

  1270.     header=$1

  1271.     condition=$2

  1272.     shift 2

  1273.     test_cpp "$@" <<EOF

  1274. #include <$header>

  1275. #if !($condition)

  1276. #error "unsatisfied condition: $condition"

  1277. #endif

  1278. EOF

  1279. }

  1280. 

  1281. check_cpp_condition(){

  1282.     log check_cpp_condition "$@"

  1283.     name=$1

  1284.     shift 1

  1285.     disable $name

  1286.     test_cpp_condition "$@" && enable $name

  1287. }

  1288. 

  1289. test_cflags_cc(){

  1290.     log test_cflags_cc "$@"

  1291.     flags=$1

  1292.     header=$2

  1293.     condition=$3

  1294.     shift 3

  1295.     set -- $($cflags_filter "$flags")

  1296.     test_cc "$@" <<EOF

  1297. #include <$header>

  1298. #if !($condition)

  1299. #error "unsatisfied condition: $condition"

  1300. #endif

  1301. EOF

  1302. }

  1303. 

  1304. check_lib(){

  1305.     log check_lib "$@"

  1306.     name="$1"

  1307.     headers="$2"

  1308.     funcs="$3"

  1309.     shift 3

  1310.     disable $name

  1311.     check_func_headers "$headers" "$funcs" "$@" &&

  1312.         enable $name && eval ${name}_extralibs="\$@"

  1313. }

  1314. 

  1315. check_lib_cpp(){

  1316.     log check_lib_cpp "$@"

  1317.     name="$1"

  1318.     headers="$2"

  1319.     classes="$3"

  1320.     shift 3

  1321.     disable $name

  1322.     check_class_headers_cpp "$headers" "$classes" "$@" &&

  1323.         enable $name && eval ${name}_extralibs="\$@"

  1324. }

  1325. 

  1326. test_pkg_config(){

  1327.     log test_pkg_config "$@"

  1328.     name="$1"

  1329.     pkg_version="$2"

  1330.     pkg="${2%% *}"

  1331.     headers="$3"

  1332.     funcs="$4"

  1333.     shift 4

  1334.     disable $name

  1335.     test_cmd $pkg_config --exists --print-errors $pkg_version || return

  1336.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1337.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1338.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1339.         enable $name &&

  1340.         set_sanitized "${name}_cflags"    $pkg_cflags &&

  1341.         set_sanitized "${name}_extralibs" $pkg_libs

  1342. }

  1343. 

  1344. check_pkg_config(){

  1345.     log check_pkg_config "$@"

  1346.     name="$1"

  1347.     test_pkg_config "$@" &&

  1348.         eval add_cflags \$${name}_cflags

  1349. }

  1350. 

  1351. test_exec(){

  1352.     test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1353. }

  1354. 

  1355. check_exec_crash(){

  1356.     log check_exec_crash "$@"

  1357.     code=$(cat)

  1358. 

  1359.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1360.     # are safe but may not be available everywhere.  Thus we use

  1361.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1362.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1363.     # is not defined by standard C so it is used conditionally.

  1364. 

  1365.     (test_exec "$@") >> $logfile 2>&1 <<EOF

  1366. #include <signal.h>

  1367. static void sighandler(int sig){

  1368.     raise(SIGTERM);

  1369. }

  1370. int foo(void){

  1371.     $code

  1372. }

  1373. int (*func_ptr)(void) = foo;

  1374. int main(void){

  1375.     signal(SIGILL, sighandler);

  1376.     signal(SIGFPE, sighandler);

  1377.     signal(SIGSEGV, sighandler);

  1378. #ifdef SIGBUS

  1379.     signal(SIGBUS, sighandler);

  1380. #endif

  1381.     return func_ptr();

  1382. }

  1383. EOF

  1384. }

  1385. 

  1386. check_type(){

  1387.     log check_type "$@"

  1388.     headers=$1

  1389.     type=$2

  1390.     shift 2

  1391.     disable_sanitized "$type"

  1392.     test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"

  1393. }

  1394. 

  1395. check_struct(){

  1396.     log check_struct "$@"

  1397.     headers=$1

  1398.     struct=$2

  1399.     member=$3

  1400.     shift 3

  1401.     disable_sanitized "${struct}_${member}"

  1402.     test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1403.         enable_sanitized "${struct}_${member}"

  1404. }

  1405. 

  1406. check_builtin(){

  1407.     log check_builtin "$@"

  1408.     name=$1

  1409.     headers=$2

  1410.     builtin=$3

  1411.     shift 3

  1412.     disable "$name"

  1413.     test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1414. }

  1415. 

  1416. check_compile_assert(){

  1417.     log check_compile_assert "$@"

  1418.     name=$1

  1419.     headers=$2

  1420.     condition=$3

  1421.     shift 3

  1422.     disable "$name"

  1423.     test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1424. }

  1425. 

  1426. check_cc(){

  1427.     log check_cc "$@"

  1428.     name=$1

  1429.     shift

  1430.     disable "$name"

  1431.     test_code cc "$@" && enable "$name"

  1432. }

  1433. 

  1434. require(){

  1435.     log require "$@"

  1436.     name_version="$1"

  1437.     name="${1%% *}"

  1438.     shift

  1439.     check_lib $name "$@" || die "ERROR: $name_version not found"

  1440. }

  1441. 

  1442. require_cc(){

  1443.     log require_cc "$@"

  1444.     name="$1"

  1445.     shift

  1446.     test_code cc "$@" || die "ERROR: $name failed"

  1447. }

  1448. 

  1449. require_cpp(){

  1450.     name="$1"

  1451.     headers="$2"

  1452.     classes="$3"

  1453.     shift 3

  1454.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1455. }

  1456. 

  1457. require_header(){

  1458.     log require_header "$@"

  1459.     headers="$1"

  1460.     check_header "$@" || die "ERROR: $headers not found"

  1461. }

  1462. 

  1463. require_cpp_condition(){

  1464.     log require_cpp_condition "$@"

  1465.     condition="$2"

  1466.     test_cpp_condition "$@" || die "ERROR: $condition not satisfied"

  1467. }

  1468. 

  1469. require_pkg_config(){

  1470.     log require_pkg_config "$@"

  1471.     pkg_version="$2"

  1472.     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"

  1473. }

  1474. 

  1475. hostcc_e(){

  1476.     eval printf '%s\\n' $HOSTCC_E

  1477. }

  1478. 

  1479. hostcc_o(){

  1480.     eval printf '%s\\n' $HOSTCC_O

  1481. }

  1482. 

  1483. test_host_cc(){

  1484.     log test_host_cc "$@"

  1485.     cat > $TMPC

  1486.     log_file $TMPC

  1487.     test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1488. }

  1489. 

  1490. test_host_cpp(){

  1491.     log test_host_cpp "$@"

  1492.     cat > $TMPC

  1493.     log_file $TMPC

  1494.     test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1495. }

  1496. 

  1497. check_host_cppflags(){

  1498.     log check_host_cppflags "$@"

  1499.     test_host_cpp "$@" <<EOF && append host_cppflags "$@"

  1500. #include <stdlib.h>

  1501. EOF

  1502. }

  1503. 

  1504. check_host_cflags(){

  1505.     log check_host_cflags "$@"

  1506.     set -- $($host_cflags_filter "$@")

  1507.     test_host_cc "$@" <<EOF && append host_cflags "$@"

  1508. int x;

  1509. EOF

  1510. }

  1511. 

  1512. test_host_cpp_condition(){

  1513.     log test_host_cpp_condition "$@"

  1514.     header=$1

  1515.     condition=$2

  1516.     shift 2

  1517.     test_host_cpp "$@" <<EOF

  1518. #include <$header>

  1519. #if !($condition)

  1520. #error "unsatisfied condition: $condition"

  1521. #endif

  1522. EOF

  1523. }

  1524. 

  1525. check_host_cpp_condition(){

  1526.     log check_host_cpp_condition "$@"

  1527.     name=$1

  1528.     shift 1

  1529.     disable $name

  1530.     test_host_cpp_condition "$@" && enable $name

  1531. }

  1532. 

  1533. cp_if_changed(){

  1534.     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return

  1535.     mkdir -p "$(dirname $2)"

  1536.     cp -f "$1" "$2"

  1537. }

  1538. 

  1539. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1540. # system-dependent things.

  1541. 

  1542. AVCODEC_COMPONENTS="

  1543.     bsfs

  1544.     decoders

  1545.     encoders

  1546.     hwaccels

  1547.     parsers

  1548. "

  1549. 

  1550. AVDEVICE_COMPONENTS="

  1551.     indevs

  1552.     outdevs

  1553. "

  1554. 

  1555. AVFILTER_COMPONENTS="

  1556.     filters

  1557. "

  1558. 

  1559. AVFORMAT_COMPONENTS="

  1560.     demuxers

  1561.     muxers

  1562.     protocols

  1563. "

  1564. 

  1565. COMPONENT_LIST="

  1566.     $AVCODEC_COMPONENTS

  1567.     $AVDEVICE_COMPONENTS

  1568.     $AVFILTER_COMPONENTS

  1569.     $AVFORMAT_COMPONENTS

  1570. "

  1571. 

  1572. EXAMPLE_LIST="

  1573.     avio_dir_cmd_example

  1574.     avio_reading_example

  1575.     decode_audio_example

  1576.     decode_video_example

  1577.     demuxing_decoding_example

  1578.     encode_audio_example

  1579.     encode_video_example

  1580.     extract_mvs_example

  1581.     filter_audio_example

  1582.     filtering_audio_example

  1583.     filtering_video_example

  1584.     http_multiclient_example

  1585.     hw_decode_example

  1586.     metadata_example

  1587.     muxing_example

  1588.     qsvdec_example

  1589.     remuxing_example

  1590.     resampling_audio_example

  1591.     scaling_video_example

  1592.     transcode_aac_example

  1593.     transcoding_example

  1594.     vaapi_encode_example

  1595.     vaapi_transcode_example

  1596. "

  1597. 

  1598. EXTERNAL_AUTODETECT_LIBRARY_LIST="

  1599.     alsa

  1600.     appkit

  1601.     avfoundation

  1602.     bzlib

  1603.     coreimage

  1604.     iconv

  1605.     libxcb

  1606.     libxcb_shm

  1607.     libxcb_shape

  1608.     libxcb_xfixes

  1609.     lzma

  1610.     schannel

  1611.     sdl2

  1612.     securetransport

  1613.     sndio

  1614.     xlib

  1615.     zlib

  1616. "

  1617. 

  1618. EXTERNAL_LIBRARY_GPL_LIST="

  1619.     avisynth

  1620.     frei0r

  1621.     libcdio

  1622.     librubberband

  1623.     libvidstab

  1624.     libx264

  1625.     libx265

  1626.     libxavs

  1627.     libxvid

  1628. "

  1629. 

  1630. EXTERNAL_LIBRARY_NONFREE_LIST="

  1631.     decklink

  1632.     libndi_newtek

  1633.     libfdk_aac

  1634.     openssl

  1635.     libtls

  1636. "

  1637. 

  1638. EXTERNAL_LIBRARY_VERSION3_LIST="

  1639.     gmp

  1640.     libopencore_amrnb

  1641.     libopencore_amrwb

  1642.     libvmaf

  1643.     libvo_amrwbenc

  1644.     rkmpp

  1645. "

  1646. 

  1647. EXTERNAL_LIBRARY_GPLV3_LIST="

  1648.     libsmbclient

  1649. "

  1650. 

  1651. EXTERNAL_LIBRARY_LIST="

  1652.     $EXTERNAL_LIBRARY_GPL_LIST

  1653.     $EXTERNAL_LIBRARY_NONFREE_LIST

  1654.     $EXTERNAL_LIBRARY_VERSION3_LIST

  1655.     $EXTERNAL_LIBRARY_GPLV3_LIST

  1656.     chromaprint

  1657.     gcrypt

  1658.     gnutls

  1659.     jni

  1660.     ladspa

  1661.     libaom

  1662.     libass

  1663.     libbluray

  1664.     libbs2b

  1665.     libcaca

  1666.     libcelt

  1667.     libcodec2

  1668.     libdc1394

  1669.     libdrm

  1670.     libflite

  1671.     libfontconfig

  1672.     libfreetype

  1673.     libfribidi

  1674.     libgme

  1675.     libgsm

  1676.     libiec61883

  1677.     libilbc

  1678.     libjack

  1679.     libkvazaar

  1680.     libmodplug

  1681.     libmp3lame

  1682.     libmysofa

  1683.     libopencv

  1684.     libopenh264

  1685.     libopenjpeg

  1686.     libopenmpt

  1687.     libopus

  1688.     libpulse

  1689.     librsvg

  1690.     librtmp

  1691.     libshine

  1692.     libsmbclient

  1693.     libsnappy

  1694.     libsoxr

  1695.     libspeex

  1696.     libssh

  1697.     libtesseract

  1698.     libtheora

  1699.     libtwolame

  1700.     libv4l2

  1701.     libvorbis

  1702.     libvpx

  1703.     libwavpack

  1704.     libwebp

  1705.     libxml2

  1706.     libzimg

  1707.     libzmq

  1708.     libzvbi

  1709.     lv2

  1710.     mediacodec

  1711.     openal

  1712.     opengl

  1713. "

  1714. 

  1715. HWACCEL_AUTODETECT_LIBRARY_LIST="

  1716.     amf

  1717.     audiotoolbox

  1718.     crystalhd

  1719.     cuda

  1720.     cuvid

  1721.     d3d11va

  1722.     dxva2

  1723.     ffnvcodec

  1724.     nvdec

  1725.     nvenc

  1726.     vaapi

  1727.     vdpau

  1728.     videotoolbox

  1729.     v4l2_m2m

  1730.     xvmc

  1731. "

  1732. 

  1733. # catchall list of things that require external libs to link

  1734. EXTRALIBS_LIST="

  1735.     cpu_init

  1736.     cws2fws

  1737. "

  1738. 

  1739. HWACCEL_LIBRARY_NONFREE_LIST="

  1740.     cuda_sdk

  1741.     libnpp

  1742. "

  1743. 

  1744. HWACCEL_LIBRARY_LIST="

  1745.     $HWACCEL_LIBRARY_NONFREE_LIST

  1746.     libmfx

  1747.     mmal

  1748.     omx

  1749.     opencl

  1750. "

  1751. 

  1752. DOCUMENT_LIST="

  1753.     doc

  1754.     htmlpages

  1755.     manpages

  1756.     podpages

  1757.     txtpages

  1758. "

  1759. 

  1760. FEATURE_LIST="

  1761.     ftrapv

  1762.     gray

  1763.     hardcoded_tables

  1764.     omx_rpi

  1765.     runtime_cpudetect

  1766.     safe_bitstream_reader

  1767.     shared

  1768.     small

  1769.     static

  1770.     swscale_alpha

  1771. "

  1772. 

  1773. LIBRARY_LIST="

  1774.     avcodec

  1775.     avdevice

  1776.     avfilter

  1777.     avformat

  1778.     avresample

  1779.     avutil

  1780.     postproc

  1781.     swresample

  1782.     swscale

  1783. "

  1784. 

  1785. LICENSE_LIST="

  1786.     gpl

  1787.     nonfree

  1788.     version3

  1789. "

  1790. 

  1791. PROGRAM_LIST="

  1792.     ffplay

  1793.     ffprobe

  1794.     ffmpeg

  1795. "

  1796. 

  1797. SUBSYSTEM_LIST="

  1798.     dct

  1799.     dwt

  1800.     error_resilience

  1801.     faan

  1802.     fast_unaligned

  1803.     fft

  1804.     lsp

  1805.     lzo

  1806.     mdct

  1807.     pixelutils

  1808.     network

  1809.     rdft

  1810. "

  1811. 

  1812. # COMPONENT_LIST needs to come last to ensure correct dependency checking

  1813. CONFIG_LIST="

  1814.     $DOCUMENT_LIST

  1815.     $EXAMPLE_LIST

  1816.     $EXTERNAL_LIBRARY_LIST

  1817.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1818.     $HWACCEL_LIBRARY_LIST

  1819.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1820.     $FEATURE_LIST

  1821.     $LICENSE_LIST

  1822.     $LIBRARY_LIST

  1823.     $PROGRAM_LIST

  1824.     $SUBSYSTEM_LIST

  1825.     autodetect

  1826.     fontconfig

  1827.     linux_perf

  1828.     memory_poisoning

  1829.     neon_clobber_test

  1830.     ossfuzz

  1831.     pic

  1832.     thumb

  1833.     valgrind_backtrace

  1834.     xmm_clobber_test

  1835.     $COMPONENT_LIST

  1836. "

  1837. 

  1838. THREADS_LIST="

  1839.     pthreads

  1840.     os2threads

  1841.     w32threads

  1842. "

  1843. 

  1844. ATOMICS_LIST="

  1845.     atomics_gcc

  1846.     atomics_suncc

  1847.     atomics_win32

  1848. "

  1849. 

  1850. AUTODETECT_LIBS="

  1851.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1852.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1853.     $THREADS_LIST

  1854. "

  1855. 

  1856. ARCH_LIST="

  1857.     aarch64

  1858.     alpha

  1859.     arm

  1860.     avr32

  1861.     avr32_ap

  1862.     avr32_uc

  1863.     bfin

  1864.     ia64

  1865.     m68k

  1866.     mips

  1867.     mips64

  1868.     parisc

  1869.     ppc

  1870.     ppc64

  1871.     s390

  1872.     sh4

  1873.     sparc

  1874.     sparc64

  1875.     tilegx

  1876.     tilepro

  1877.     tomi

  1878.     x86

  1879.     x86_32

  1880.     x86_64

  1881. "

  1882. 

  1883. ARCH_EXT_LIST_ARM="

  1884.     armv5te

  1885.     armv6

  1886.     armv6t2

  1887.     armv8

  1888.     neon

  1889.     vfp

  1890.     vfpv3

  1891.     setend

  1892. "

  1893. 

  1894. ARCH_EXT_LIST_MIPS="

  1895.     mipsfpu

  1896.     mips32r2

  1897.     mips32r5

  1898.     mips64r2

  1899.     mips32r6

  1900.     mips64r6

  1901.     mipsdsp

  1902.     mipsdspr2

  1903.     msa

  1904. "

  1905. 

  1906. ARCH_EXT_LIST_LOONGSON="

  1907.     loongson2

  1908.     loongson3

  1909.     mmi

  1910. "

  1911. 

  1912. ARCH_EXT_LIST_X86_SIMD="

  1913.     aesni

  1914.     amd3dnow

  1915.     amd3dnowext

  1916.     avx

  1917.     avx2

  1918.     avx512

  1919.     fma3

  1920.     fma4

  1921.     mmx

  1922.     mmxext

  1923.     sse

  1924.     sse2

  1925.     sse3

  1926.     sse4

  1927.     sse42

  1928.     ssse3

  1929.     xop

  1930. "

  1931. 

  1932. ARCH_EXT_LIST_PPC="

  1933.     altivec

  1934.     dcbzl

  1935.     ldbrx

  1936.     power8

  1937.     ppc4xx

  1938.     vsx

  1939. "

  1940. 

  1941. ARCH_EXT_LIST_X86="

  1942.     $ARCH_EXT_LIST_X86_SIMD

  1943.     cpunop

  1944.     i686

  1945. "

  1946. 

  1947. ARCH_EXT_LIST="

  1948.     $ARCH_EXT_LIST_ARM

  1949.     $ARCH_EXT_LIST_PPC

  1950.     $ARCH_EXT_LIST_X86

  1951.     $ARCH_EXT_LIST_MIPS

  1952.     $ARCH_EXT_LIST_LOONGSON

  1953. "

  1954. 

  1955. ARCH_FEATURES="

  1956.     aligned_stack

  1957.     fast_64bit

  1958.     fast_clz

  1959.     fast_cmov

  1960.     local_aligned

  1961.     simd_align_16

  1962.     simd_align_32

  1963.     simd_align_64

  1964. "

  1965. 

  1966. BUILTIN_LIST="

  1967.     atomic_cas_ptr

  1968.     machine_rw_barrier

  1969.     MemoryBarrier

  1970.     mm_empty

  1971.     rdtsc

  1972.     sem_timedwait

  1973.     sync_val_compare_and_swap

  1974. "

  1975. HAVE_LIST_CMDLINE="

  1976.     inline_asm

  1977.     symver

  1978.     x86asm

  1979. "

  1980. 

  1981. HAVE_LIST_PUB="

  1982.     bigendian

  1983.     fast_unaligned

  1984. "

  1985. 

  1986. HEADERS_LIST="

  1987.     arpa_inet_h

  1988.     asm_types_h

  1989.     cdio_paranoia_h

  1990.     cdio_paranoia_paranoia_h

  1991.     cuda_h

  1992.     dispatch_dispatch_h

  1993.     dev_bktr_ioctl_bt848_h

  1994.     dev_bktr_ioctl_meteor_h

  1995.     dev_ic_bt8xx_h

  1996.     dev_video_bktr_ioctl_bt848_h

  1997.     dev_video_meteor_ioctl_meteor_h

  1998.     direct_h

  1999.     dirent_h

  2000.     dxgidebug_h

  2001.     dxva_h

  2002.     ES2_gl_h

  2003.     gsm_h

  2004.     io_h

  2005.     machine_ioctl_bt848_h

  2006.     machine_ioctl_meteor_h

  2007.     malloc_h

  2008.     opencv2_core_core_c_h

  2009.     OpenGL_gl3_h

  2010.     poll_h

  2011.     sys_param_h

  2012.     sys_resource_h

  2013.     sys_select_h

  2014.     sys_soundcard_h

  2015.     sys_time_h

  2016.     sys_un_h

  2017.     sys_videoio_h

  2018.     termios_h

  2019.     udplite_h

  2020.     unistd_h

  2021.     valgrind_valgrind_h

  2022.     windows_h

  2023.     winsock2_h

  2024. "

  2025. 

  2026. INTRINSICS_LIST="

  2027.     intrinsics_neon

  2028. "

  2029. 

  2030. COMPLEX_FUNCS="

  2031.     cabs

  2032.     cexp

  2033. "

  2034. 

  2035. MATH_FUNCS="

  2036.     atanf

  2037.     atan2f

  2038.     cbrt

  2039.     cbrtf

  2040.     copysign

  2041.     cosf

  2042.     erf

  2043.     exp2

  2044.     exp2f

  2045.     expf

  2046.     hypot

  2047.     isfinite

  2048.     isinf

  2049.     isnan

  2050.     ldexpf

  2051.     llrint

  2052.     llrintf

  2053.     log2

  2054.     log2f

  2055.     log10f

  2056.     lrint

  2057.     lrintf

  2058.     powf

  2059.     rint

  2060.     round

  2061.     roundf

  2062.     sinf

  2063.     trunc

  2064.     truncf

  2065. "

  2066. 

  2067. SYSTEM_FEATURES="

  2068.     dos_paths

  2069.     libc_msvcrt

  2070.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2071.     section_data_rel_ro

  2072.     threads

  2073.     uwp

  2074.     winrt

  2075. "

  2076. 

  2077. SYSTEM_FUNCS="

  2078.     access

  2079.     aligned_malloc

  2080.     arc4random

  2081.     clock_gettime

  2082.     closesocket

  2083.     CommandLineToArgvW

  2084.     fcntl

  2085.     getaddrinfo

  2086.     gethrtime

  2087.     getopt

  2088.     GetProcessAffinityMask

  2089.     GetProcessMemoryInfo

  2090.     GetProcessTimes

  2091.     getrusage

  2092.     GetSystemTimeAsFileTime

  2093.     gettimeofday

  2094.     glob

  2095.     glXGetProcAddress

  2096.     gmtime_r

  2097.     inet_aton

  2098.     isatty

  2099.     kbhit

  2100.     localtime_r

  2101.     lstat

  2102.     lzo1x_999_compress

  2103.     mach_absolute_time

  2104.     MapViewOfFile

  2105.     memalign

  2106.     mkstemp

  2107.     mmap

  2108.     mprotect

  2109.     nanosleep

  2110.     PeekNamedPipe

  2111.     posix_memalign

  2112.     pthread_cancel

  2113.     sched_getaffinity

  2114.     SecItemImport

  2115.     SetConsoleTextAttribute

  2116.     SetConsoleCtrlHandler

  2117.     setmode

  2118.     setrlimit

  2119.     Sleep

  2120.     strerror_r

  2121.     sysconf

  2122.     sysctl

  2123.     usleep

  2124.     UTGetOSTypeFromString

  2125.     VirtualAlloc

  2126.     wglGetProcAddress

  2127. "

  2128. 

  2129. SYSTEM_LIBRARIES="

  2130.     vaapi_drm

  2131.     vaapi_x11

  2132.     vdpau_x11

  2133.     wincrypt

  2134. "

  2135. 

  2136. TOOLCHAIN_FEATURES="

  2137.     as_arch_directive

  2138.     as_fpu_directive

  2139.     as_func

  2140.     as_object_arch

  2141.     asm_mod_q

  2142.     blocks_extension

  2143.     ebp_available

  2144.     ebx_available

  2145.     gnu_as

  2146.     gnu_windres

  2147.     ibm_asm

  2148.     inline_asm_direct_symbol_refs

  2149.     inline_asm_labels

  2150.     inline_asm_nonlocal_labels

  2151.     pragma_deprecated

  2152.     rsync_contimeout

  2153.     symver_asm_label

  2154.     symver_gnu_asm

  2155.     vfp_args

  2156.     xform_asm

  2157.     xmm_clobbers

  2158. "

  2159. 

  2160. TYPES_LIST="

  2161.     kCMVideoCodecType_HEVC

  2162.     socklen_t

  2163.     struct_addrinfo

  2164.     struct_group_source_req

  2165.     struct_ip_mreq_source

  2166.     struct_ipv6_mreq

  2167.     struct_msghdr_msg_flags

  2168.     struct_pollfd

  2169.     struct_rusage_ru_maxrss

  2170.     struct_sctp_event_subscribe

  2171.     struct_sockaddr_in6

  2172.     struct_sockaddr_sa_len

  2173.     struct_sockaddr_storage

  2174.     struct_stat_st_mtim_tv_nsec

  2175.     struct_v4l2_frmivalenum_discrete

  2176. "

  2177. 

  2178. HAVE_LIST="

  2179.     $ARCH_EXT_LIST

  2180.     $(add_suffix _external $ARCH_EXT_LIST)

  2181.     $(add_suffix _inline   $ARCH_EXT_LIST)

  2182.     $ARCH_FEATURES

  2183.     $BUILTIN_LIST

  2184.     $COMPLEX_FUNCS

  2185.     $HAVE_LIST_CMDLINE

  2186.     $HAVE_LIST_PUB

  2187.     $HEADERS_LIST

  2188.     $INTRINSICS_LIST

  2189.     $MATH_FUNCS

  2190.     $SYSTEM_FEATURES

  2191.     $SYSTEM_FUNCS

  2192.     $SYSTEM_LIBRARIES

  2193.     $THREADS_LIST

  2194.     $TOOLCHAIN_FEATURES

  2195.     $TYPES_LIST

  2196.     makeinfo

  2197.     makeinfo_html

  2198.     opencl_d3d11

  2199.     opencl_drm_arm

  2200.     opencl_drm_beignet

  2201.     opencl_dxva2

  2202.     opencl_vaapi_beignet

  2203.     opencl_vaapi_intel_media

  2204.     perl

  2205.     pod2man

  2206.     texi2html

  2207. "

  2208. 

  2209. # options emitted with CONFIG_ prefix but not available on the command line

  2210. CONFIG_EXTRA="

  2211.     aandcttables

  2212.     ac3dsp

  2213.     adts_header

  2214.     audio_frame_queue

  2215.     audiodsp

  2216.     blockdsp

  2217.     bswapdsp

  2218.     cabac

  2219.     cbs

  2220.     cbs_h264

  2221.     cbs_h265

  2222.     cbs_mpeg2

  2223.     dirac_parse

  2224.     dvprofile

  2225.     exif

  2226.     faandct

  2227.     faanidct

  2228.     fdctdsp

  2229.     flacdsp

  2230.     fmtconvert

  2231.     frame_thread_encoder

  2232.     g722dsp

  2233.     golomb

  2234.     gplv3

  2235.     h263dsp

  2236.     h264chroma

  2237.     h264dsp

  2238.     h264parse

  2239.     h264pred

  2240.     h264qpel

  2241.     hevcparse

  2242.     hpeldsp

  2243.     huffman

  2244.     huffyuvdsp

  2245.     huffyuvencdsp

  2246.     idctdsp

  2247.     iirfilter

  2248.     mdct15

  2249.     intrax8

  2250.     iso_media

  2251.     ividsp

  2252.     jpegtables

  2253.     lgplv3

  2254.     libx262

  2255.     llauddsp

  2256.     llviddsp

  2257.     llvidencdsp

  2258.     lpc

  2259.     lzf

  2260.     me_cmp

  2261.     mpeg_er

  2262.     mpegaudio

  2263.     mpegaudiodsp

  2264.     mpegaudioheader

  2265.     mpegvideo

  2266.     mpegvideoenc

  2267.     mss34dsp

  2268.     pixblockdsp

  2269.     qpeldsp

  2270.     qsv

  2271.     qsvdec

  2272.     qsvenc

  2273.     qsvvpp

  2274.     rangecoder

  2275.     riffdec

  2276.     riffenc

  2277.     rtpdec

  2278.     rtpenc_chain

  2279.     rv34dsp

  2280.     sinewin

  2281.     snappy

  2282.     srtp

  2283.     startcode

  2284.     texturedsp

  2285.     texturedspenc

  2286.     tpeldsp

  2287.     vaapi_1

  2288.     vaapi_encode

  2289.     vc1dsp

  2290.     videodsp

  2291.     vp3dsp

  2292.     vp56dsp

  2293.     vp8dsp

  2294.     wma_freqs

  2295.     wmv2dsp

  2296. "

  2297. 

  2298. CMDLINE_SELECT="

  2299.     $ARCH_EXT_LIST

  2300.     $CONFIG_LIST

  2301.     $HAVE_LIST_CMDLINE

  2302.     $THREADS_LIST

  2303.     asm

  2304.     cross_compile

  2305.     debug

  2306.     extra_warnings

  2307.     logging

  2308.     lto

  2309.     optimizations

  2310.     rpath

  2311.     stripping

  2312. "

  2313. 

  2314. PATHS_LIST="

  2315.     bindir

  2316.     datadir

  2317.     docdir

  2318.     incdir

  2319.     libdir

  2320.     mandir

  2321.     pkgconfigdir

  2322.     prefix

  2323.     shlibdir

  2324.     install_name_dir

  2325. "

  2326. 

  2327. CMDLINE_SET="

  2328.     $PATHS_LIST

  2329.     ar

  2330.     arch

  2331.     as

  2332.     assert_level

  2333.     build_suffix

  2334.     cc

  2335.     objcc

  2336.     cpu

  2337.     cross_prefix

  2338.     custom_allocator

  2339.     cxx

  2340.     dep_cc

  2341.     doxygen

  2342.     env

  2343.     extra_version

  2344.     gas

  2345.     host_cc

  2346.     host_cflags

  2347.     host_extralibs

  2348.     host_ld

  2349.     host_ldflags

  2350.     host_os

  2351.     ignore_tests

  2352.     install

  2353.     ld

  2354.     ln_s

  2355.     logfile

  2356.     malloc_prefix

  2357.     nm

  2358.     optflags

  2359.     nvccflags

  2360.     pkg_config

  2361.     pkg_config_flags

  2362.     progs_suffix

  2363.     random_seed

  2364.     ranlib

  2365.     samples

  2366.     strip

  2367.     sws_max_filter_size

  2368.     sysinclude

  2369.     sysroot

  2370.     target_exec

  2371.     target_os

  2372.     target_path

  2373.     target_samples

  2374.     tempprefix

  2375.     toolchain

  2376.     valgrind

  2377.     x86asmexe

  2378. "

  2379. 

  2380. CMDLINE_APPEND="

  2381.     extra_cflags

  2382.     extra_cxxflags

  2383.     extra_objcflags

  2384.     host_cppflags

  2385. "

  2386. 

  2387. # code dependency declarations

  2388. 

  2389. # architecture extensions

  2390. 

  2391. armv5te_deps="arm"

  2392. armv6_deps="arm"

  2393. armv6t2_deps="arm"

  2394. armv8_deps="aarch64"

  2395. neon_deps_any="aarch64 arm"

  2396. intrinsics_neon_deps="neon"

  2397. vfp_deps_any="aarch64 arm"

  2398. vfpv3_deps="vfp"

  2399. setend_deps="arm"

  2400. 

  2401. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2402. 

  2403. altivec_deps="ppc"

  2404. dcbzl_deps="ppc"

  2405. ldbrx_deps="ppc"

  2406. ppc4xx_deps="ppc"

  2407. vsx_deps="altivec"

  2408. power8_deps="vsx"

  2409. 

  2410. loongson2_deps="mips"

  2411. loongson3_deps="mips"

  2412. mips32r2_deps="mips"

  2413. mips32r5_deps="mips"

  2414. mips32r6_deps="mips"

  2415. mips64r2_deps="mips"

  2416. mips64r6_deps="mips"

  2417. mipsfpu_deps="mips"

  2418. mipsdsp_deps="mips"

  2419. mipsdspr2_deps="mips"

  2420. mmi_deps="mips"

  2421. msa_deps="mipsfpu"

  2422. 

  2423. cpunop_deps="i686"

  2424. x86_64_select="i686"

  2425. x86_64_suggest="fast_cmov"

  2426. 

  2427. amd3dnow_deps="mmx"

  2428. amd3dnowext_deps="amd3dnow"

  2429. i686_deps="x86"

  2430. mmx_deps="x86"

  2431. mmxext_deps="mmx"

  2432. sse_deps="mmxext"

  2433. sse2_deps="sse"

  2434. sse3_deps="sse2"

  2435. ssse3_deps="sse3"

  2436. sse4_deps="ssse3"

  2437. sse42_deps="sse4"

  2438. aesni_deps="sse42"

  2439. avx_deps="sse42"

  2440. xop_deps="avx"

  2441. fma3_deps="avx"

  2442. fma4_deps="avx"

  2443. avx2_deps="avx"

  2444. avx512_deps="avx2"

  2445. 

  2446. mmx_external_deps="x86asm"

  2447. mmx_inline_deps="inline_asm x86"

  2448. mmx_suggest="mmx_external mmx_inline"

  2449. 

  2450. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2451.     eval dep=\$${ext}_deps

  2452.     eval ${ext}_external_deps='"${dep}_external"'

  2453.     eval ${ext}_inline_deps='"${dep}_inline"'

  2454.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2455. done

  2456. 

  2457. aligned_stack_if_any="aarch64 ppc x86"

  2458. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2459. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2460. fast_unaligned_if_any="aarch64 ppc x86"

  2461. simd_align_16_if_any="altivec neon sse"

  2462. simd_align_32_if_any="avx"

  2463. simd_align_64_if_any="avx512"

  2464. 

  2465. # system capabilities

  2466. symver_if_any="symver_asm_label symver_gnu_asm"

  2467. valgrind_backtrace_conflict="optimizations"

  2468. valgrind_backtrace_deps="valgrind_valgrind_h"

  2469. 

  2470. # threading support

  2471. atomics_gcc_if="sync_val_compare_and_swap"

  2472. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2473. atomics_win32_if="MemoryBarrier"

  2474. atomics_native_if_any="$ATOMICS_LIST"

  2475. w32threads_deps="atomics_native"

  2476. threads_if_any="$THREADS_LIST"

  2477. 

  2478. # subsystems

  2479. cbs_h264_select="cbs golomb"

  2480. cbs_h265_select="cbs golomb"

  2481. cbs_mpeg2_select="cbs"

  2482. dct_select="rdft"

  2483. dirac_parse_select="golomb"

  2484. error_resilience_select="me_cmp"

  2485. faandct_deps="faan"

  2486. faandct_select="fdctdsp"

  2487. faanidct_deps="faan"

  2488. faanidct_select="idctdsp"

  2489. h264dsp_select="startcode"

  2490. hevcparse_select="golomb"

  2491. frame_thread_encoder_deps="encoders threads"

  2492. intrax8_select="blockdsp idctdsp"

  2493. mdct_select="fft"

  2494. mdct15_select="fft"

  2495. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2496. mpeg_er_select="error_resilience"

  2497. mpegaudio_select="mpegaudiodsp mpegaudioheader"

  2498. mpegaudiodsp_select="dct"

  2499. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2500. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2501. vc1dsp_select="h264chroma qpeldsp startcode"

  2502. rdft_select="fft"

  2503. 

  2504. # decoders / encoders

  2505. aac_decoder_select="adts_header mdct15 mdct sinewin"

  2506. aac_fixed_decoder_select="adts_header mdct sinewin"

  2507. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2508. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2509. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2510. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2511. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2512. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2513. adpcm_g722_decoder_select="g722dsp"

  2514. adpcm_g722_encoder_select="g722dsp"

  2515. aic_decoder_select="golomb idctdsp"

  2516. alac_encoder_select="lpc"

  2517. als_decoder_select="bswapdsp"

  2518. amrnb_decoder_select="lsp"

  2519. amrwb_decoder_select="lsp"

  2520. amv_decoder_select="sp5x_decoder exif"

  2521. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2522. ape_decoder_select="bswapdsp llauddsp"

  2523. apng_decoder_deps="zlib"

  2524. apng_encoder_deps="zlib"

  2525. apng_encoder_select="llvidencdsp"

  2526. aptx_decoder_select="audio_frame_queue"

  2527. aptx_encoder_select="audio_frame_queue"

  2528. aptx_hd_decoder_select="audio_frame_queue"

  2529. aptx_hd_encoder_select="audio_frame_queue"

  2530. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2531. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2532. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2533. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2534. atrac1_decoder_select="mdct sinewin"

  2535. atrac3_decoder_select="mdct"

  2536. atrac3p_decoder_select="mdct sinewin"

  2537. avrn_decoder_select="exif jpegtables"

  2538. bink_decoder_select="blockdsp hpeldsp"

  2539. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2540. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2541. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2542. clearvideo_decoder_select="idctdsp"

  2543. cllc_decoder_select="bswapdsp"

  2544. comfortnoise_encoder_select="lpc"

  2545. cook_decoder_select="audiodsp mdct sinewin"

  2546. cscd_decoder_select="lzo"

  2547. cscd_decoder_suggest="zlib"

  2548. dca_decoder_select="mdct"

  2549. dds_decoder_select="texturedsp"

  2550. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2551. dnxhd_decoder_select="blockdsp idctdsp"

  2552. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2553. dolby_e_decoder_select="mdct"

  2554. dvvideo_decoder_select="dvprofile idctdsp"

  2555. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2556. dxa_decoder_deps="zlib"

  2557. dxv_decoder_select="lzf texturedsp"

  2558. eac3_decoder_select="ac3_decoder"

  2559. eac3_encoder_select="ac3_encoder"

  2560. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2561. eatgq_decoder_select="aandcttables"

  2562. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2563. exr_decoder_deps="zlib"

  2564. ffv1_decoder_select="rangecoder"

  2565. ffv1_encoder_select="rangecoder"

  2566. ffvhuff_decoder_select="huffyuv_decoder"

  2567. ffvhuff_encoder_select="huffyuv_encoder"

  2568. fic_decoder_select="golomb"

  2569. flac_decoder_select="flacdsp"

  2570. flac_encoder_select="bswapdsp flacdsp lpc"

  2571. flashsv2_decoder_deps="zlib"

  2572. flashsv2_encoder_deps="zlib"

  2573. flashsv_decoder_deps="zlib"

  2574. flashsv_encoder_deps="zlib"

  2575. flv_decoder_select="h263_decoder"

  2576. flv_encoder_select="h263_encoder"

  2577. fourxm_decoder_select="blockdsp bswapdsp"

  2578. fraps_decoder_select="bswapdsp huffman"

  2579. g2m_decoder_deps="zlib"

  2580. g2m_decoder_select="blockdsp idctdsp jpegtables"

  2581. g729_decoder_select="audiodsp"

  2582. h261_decoder_select="mpegvideo"

  2583. h261_encoder_select="aandcttables mpegvideoenc"

  2584. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2585. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2586. h263i_decoder_select="h263_decoder"

  2587. h263p_decoder_select="h263_decoder"

  2588. h263p_encoder_select="h263_encoder"

  2589. h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"

  2590. h264_decoder_suggest="error_resilience"

  2591. hap_decoder_select="snappy texturedsp"

  2592. hap_encoder_deps="libsnappy"

  2593. hap_encoder_select="texturedspenc"

  2594. hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"

  2595. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2596. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"

  2597. iac_decoder_select="imc_decoder"

  2598. imc_decoder_select="bswapdsp fft mdct sinewin"

  2599. indeo3_decoder_select="hpeldsp"

  2600. indeo4_decoder_select="ividsp"

  2601. indeo5_decoder_select="ividsp"

  2602. interplay_video_decoder_select="hpeldsp"

  2603. jpegls_decoder_select="mjpeg_decoder"

  2604. jv_decoder_select="blockdsp"

  2605. lagarith_decoder_select="llviddsp"

  2606. ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"

  2607. magicyuv_decoder_select="llviddsp"

  2608. magicyuv_encoder_select="llvidencdsp"

  2609. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2610. metasound_decoder_select="lsp mdct sinewin"

  2611. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2612. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2613. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2614. mjpegb_decoder_select="mjpeg_decoder"

  2615. mlp_decoder_select="mlp_parser"

  2616. mlp_encoder_select="lpc"

  2617. motionpixels_decoder_select="bswapdsp"

  2618. mp1_decoder_select="mpegaudio"

  2619. mp1float_decoder_select="mpegaudio"

  2620. mp2_decoder_select="mpegaudio"

  2621. mp2float_decoder_select="mpegaudio"

  2622. mp3_decoder_select="mpegaudio"

  2623. mp3adu_decoder_select="mpegaudio"

  2624. mp3adufloat_decoder_select="mpegaudio"

  2625. mp3float_decoder_select="mpegaudio"

  2626. mp3on4_decoder_select="mpegaudio"

  2627. mp3on4float_decoder_select="mpegaudio"

  2628. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2629. mpc8_decoder_select="mpegaudiodsp"

  2630. mpegvideo_decoder_select="mpegvideo"

  2631. mpeg1video_decoder_select="mpegvideo"

  2632. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2633. mpeg2video_decoder_select="mpegvideo"

  2634. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2635. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2636. mpeg4_encoder_select="h263_encoder"

  2637. msa1_decoder_select="mss34dsp"

  2638. mscc_decoder_deps="zlib"

  2639. msmpeg4v1_decoder_select="h263_decoder"

  2640. msmpeg4v2_decoder_select="h263_decoder"

  2641. msmpeg4v2_encoder_select="h263_encoder"

  2642. msmpeg4v3_decoder_select="h263_decoder"

  2643. msmpeg4v3_encoder_select="h263_encoder"

  2644. mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"

  2645. mts2_decoder_select="mss34dsp"

  2646. mxpeg_decoder_select="mjpeg_decoder"

  2647. nellymoser_decoder_select="mdct sinewin"

  2648. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2649. nuv_decoder_select="idctdsp lzo"

  2650. on2avc_decoder_select="mdct"

  2651. opus_decoder_deps="swresample"

  2652. opus_decoder_select="mdct15"

  2653. opus_encoder_select="audio_frame_queue mdct15"

  2654. png_decoder_deps="zlib"

  2655. png_encoder_deps="zlib"

  2656. png_encoder_select="llvidencdsp"

  2657. prores_decoder_select="blockdsp idctdsp"

  2658. prores_encoder_select="fdctdsp"

  2659. qcelp_decoder_select="lsp"

  2660. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2661. ra_144_decoder_select="audiodsp"

  2662. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2663. ralf_decoder_select="golomb"

  2664. rawvideo_decoder_select="bswapdsp"

  2665. rscc_decoder_deps="zlib"

  2666. rtjpeg_decoder_select="me_cmp"

  2667. rv10_decoder_select="h263_decoder"

  2668. rv10_encoder_select="h263_encoder"

  2669. rv20_decoder_select="h263_decoder"

  2670. rv20_encoder_select="h263_encoder"

  2671. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2672. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2673. screenpresso_decoder_deps="zlib"

  2674. shorten_decoder_select="bswapdsp"

  2675. sipr_decoder_select="lsp"

  2676. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2677. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2678. sonic_decoder_select="golomb rangecoder"

  2679. sonic_encoder_select="golomb rangecoder"

  2680. sonic_ls_encoder_select="golomb rangecoder"

  2681. sp5x_decoder_select="mjpeg_decoder"

  2682. srgc_decoder_deps="zlib"

  2683. svq1_decoder_select="hpeldsp"

  2684. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2685. svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"

  2686. svq3_decoder_suggest="zlib"

  2687. tak_decoder_select="audiodsp"

  2688. tdsc_decoder_deps="zlib"

  2689. tdsc_decoder_select="mjpeg_decoder"

  2690. theora_decoder_select="vp3_decoder"

  2691. thp_decoder_select="mjpeg_decoder"

  2692. tiff_decoder_suggest="zlib lzma"

  2693. tiff_encoder_suggest="zlib"

  2694. truehd_decoder_select="mlp_parser"

  2695. truehd_encoder_select="lpc"

  2696. truemotion2_decoder_select="bswapdsp"

  2697. truespeech_decoder_select="bswapdsp"

  2698. tscc_decoder_deps="zlib"

  2699. twinvq_decoder_select="mdct lsp sinewin"

  2700. txd_decoder_select="texturedsp"

  2701. utvideo_decoder_select="bswapdsp llviddsp"

  2702. utvideo_encoder_select="bswapdsp huffman llvidencdsp"

  2703. vble_decoder_select="llviddsp"

  2704. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2705. vc1image_decoder_select="vc1_decoder"

  2706. vorbis_decoder_select="mdct"

  2707. vorbis_encoder_select="audio_frame_queue mdct"

  2708. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2709. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2710. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2711. vp6a_decoder_select="vp6_decoder"

  2712. vp6f_decoder_select="vp6_decoder"

  2713. vp7_decoder_select="h264pred videodsp vp8dsp"

  2714. vp8_decoder_select="h264pred videodsp vp8dsp"

  2715. vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"

  2716. webp_decoder_select="vp8_decoder exif"

  2717. wmalossless_decoder_select="llauddsp"

  2718. wmapro_decoder_select="mdct sinewin wma_freqs"

  2719. wmav1_decoder_select="mdct sinewin wma_freqs"

  2720. wmav1_encoder_select="mdct sinewin wma_freqs"

  2721. wmav2_decoder_select="mdct sinewin wma_freqs"

  2722. wmav2_encoder_select="mdct sinewin wma_freqs"

  2723. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2724. wmv1_decoder_select="h263_decoder"

  2725. wmv1_encoder_select="h263_encoder"

  2726. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2727. wmv2_encoder_select="h263_encoder wmv2dsp"

  2728. wmv3_decoder_select="vc1_decoder"

  2729. wmv3image_decoder_select="wmv3_decoder"

  2730. xma1_decoder_select="wmapro_decoder"

  2731. xma2_decoder_select="wmapro_decoder"

  2732. zerocodec_decoder_deps="zlib"

  2733. zlib_decoder_deps="zlib"

  2734. zlib_encoder_deps="zlib"

  2735. zmbv_decoder_deps="zlib"

  2736. zmbv_encoder_deps="zlib"

  2737. 

  2738. # hardware accelerators

  2739. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2740. cuda_deps="ffnvcodec"

  2741. cuvid_deps="ffnvcodec"

  2742. d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2743. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"

  2744. ffnvcodec_deps_any="libdl LoadLibrary"

  2745. nvdec_deps="ffnvcodec"

  2746. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2747. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2748. xvmc_deps="X11_extensions_XvMClib_h"

  2749. 

  2750. h263_vaapi_hwaccel_deps="vaapi"

  2751. h263_vaapi_hwaccel_select="h263_decoder"

  2752. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2753. h263_videotoolbox_hwaccel_select="h263_decoder"

  2754. h264_d3d11va_hwaccel_deps="d3d11va"

  2755. h264_d3d11va_hwaccel_select="h264_decoder"

  2756. h264_d3d11va2_hwaccel_deps="d3d11va"

  2757. h264_d3d11va2_hwaccel_select="h264_decoder"

  2758. h264_dxva2_hwaccel_deps="dxva2"

  2759. h264_dxva2_hwaccel_select="h264_decoder"

  2760. h264_nvdec_hwaccel_deps="nvdec"

  2761. h264_nvdec_hwaccel_select="h264_decoder"

  2762. h264_vaapi_hwaccel_deps="vaapi"

  2763. h264_vaapi_hwaccel_select="h264_decoder"

  2764. h264_vdpau_hwaccel_deps="vdpau"

  2765. h264_vdpau_hwaccel_select="h264_decoder"

  2766. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2767. h264_videotoolbox_hwaccel_select="h264_decoder"

  2768. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2769. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2770. hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2771. hevc_d3d11va2_hwaccel_select="hevc_decoder"

  2772. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2773. hevc_dxva2_hwaccel_select="hevc_decoder"

  2774. hevc_nvdec_hwaccel_deps="nvdec"

  2775. hevc_nvdec_hwaccel_select="hevc_decoder"

  2776. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2777. hevc_vaapi_hwaccel_select="hevc_decoder"

  2778. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2779. hevc_vdpau_hwaccel_select="hevc_decoder"

  2780. hevc_videotoolbox_hwaccel_deps="videotoolbox"

  2781. hevc_videotoolbox_hwaccel_select="hevc_decoder"

  2782. mjpeg_nvdec_hwaccel_deps="nvdec"

  2783. mjpeg_nvdec_hwaccel_select="mjpeg_decoder"

  2784. mjpeg_vaapi_hwaccel_deps="vaapi"

  2785. mjpeg_vaapi_hwaccel_select="mjpeg_decoder"

  2786. mpeg_xvmc_hwaccel_deps="xvmc"

  2787. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2788. mpeg1_nvdec_hwaccel_deps="nvdec"

  2789. mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"

  2790. mpeg1_vdpau_hwaccel_deps="vdpau"

  2791. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2792. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2793. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2794. mpeg1_xvmc_hwaccel_deps="xvmc"

  2795. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2796. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2797. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2798. mpeg2_d3d11va2_hwaccel_deps="d3d11va"

  2799. mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"

  2800. mpeg2_dxva2_hwaccel_deps="dxva2"

  2801. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2802. mpeg2_nvdec_hwaccel_deps="nvdec"

  2803. mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"

  2804. mpeg2_vaapi_hwaccel_deps="vaapi"

  2805. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2806. mpeg2_vdpau_hwaccel_deps="vdpau"

  2807. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2808. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2809. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2810. mpeg2_xvmc_hwaccel_deps="xvmc"

  2811. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2812. mpeg4_nvdec_hwaccel_deps="nvdec"

  2813. mpeg4_nvdec_hwaccel_select="mpeg4_decoder"

  2814. mpeg4_vaapi_hwaccel_deps="vaapi"

  2815. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2816. mpeg4_vdpau_hwaccel_deps="vdpau"

  2817. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2818. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2819. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2820. vc1_d3d11va_hwaccel_deps="d3d11va"

  2821. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2822. vc1_d3d11va2_hwaccel_deps="d3d11va"

  2823. vc1_d3d11va2_hwaccel_select="vc1_decoder"

  2824. vc1_dxva2_hwaccel_deps="dxva2"

  2825. vc1_dxva2_hwaccel_select="vc1_decoder"

  2826. vc1_nvdec_hwaccel_deps="nvdec"

  2827. vc1_nvdec_hwaccel_select="vc1_decoder"

  2828. vc1_vaapi_hwaccel_deps="vaapi"

  2829. vc1_vaapi_hwaccel_select="vc1_decoder"

  2830. vc1_vdpau_hwaccel_deps="vdpau"

  2831. vc1_vdpau_hwaccel_select="vc1_decoder"

  2832. vp8_nvdec_hwaccel_deps="nvdec"

  2833. vp8_nvdec_hwaccel_select="vp8_decoder"

  2834. vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"

  2835. vp8_vaapi_hwaccel_select="vp8_decoder"

  2836. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2837. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2838. vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2839. vp9_d3d11va2_hwaccel_select="vp9_decoder"

  2840. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2841. vp9_dxva2_hwaccel_select="vp9_decoder"

  2842. vp9_nvdec_hwaccel_deps="nvdec"

  2843. vp9_nvdec_hwaccel_select="vp9_decoder"

  2844. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"

  2845. vp9_vaapi_hwaccel_select="vp9_decoder"

  2846. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2847. wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"

  2848. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2849. wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"

  2850. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2851. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2852. 

  2853. # hardware-accelerated codecs

  2854. omx_deps="libdl pthreads"

  2855. omx_rpi_select="omx"

  2856. qsv_deps="libmfx"

  2857. qsvdec_select="qsv"

  2858. qsvenc_select="qsv"

  2859. qsvvpp_select="qsv"

  2860. vaapi_encode_deps="vaapi"

  2861. v4l2_m2m_deps_any="linux_videodev2_h"

  2862. 

  2863. hwupload_cuda_filter_deps="ffnvcodec"

  2864. scale_npp_filter_deps="ffnvcodec libnpp"

  2865. scale_cuda_filter_deps="cuda_sdk"

  2866. thumbnail_cuda_filter_deps="cuda_sdk"

  2867. 

  2868. amf_deps_any="libdl LoadLibrary"

  2869. nvenc_deps="ffnvcodec"

  2870. nvenc_deps_any="libdl LoadLibrary"

  2871. nvenc_encoder_deps="nvenc"

  2872. 

  2873. h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"

  2874. h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"

  2875. h264_amf_encoder_deps="amf"

  2876. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2877. h264_cuvid_decoder_deps="cuvid"

  2878. h264_cuvid_decoder_select="h264_mp4toannexb_bsf"

  2879. h264_mediacodec_decoder_deps="mediacodec"

  2880. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2881. h264_mmal_decoder_deps="mmal"

  2882. h264_nvenc_encoder_deps="nvenc"

  2883. h264_omx_encoder_deps="omx"

  2884. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"

  2885. h264_qsv_encoder_select="qsvenc"

  2886. h264_rkmpp_decoder_deps="rkmpp"

  2887. h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"

  2888. h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"

  2889. h264_vaapi_encoder_select="cbs_h264 vaapi_encode"

  2890. h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"

  2891. h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"

  2892. hevc_amf_encoder_deps="amf"

  2893. hevc_cuvid_decoder_deps="cuvid"

  2894. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"

  2895. hevc_mediacodec_decoder_deps="mediacodec"

  2896. hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"

  2897. hevc_nvenc_encoder_deps="nvenc"

  2898. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"

  2899. hevc_qsv_encoder_select="hevcparse qsvenc"

  2900. hevc_rkmpp_decoder_deps="rkmpp"

  2901. hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"

  2902. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  2903. hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"

  2904. hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2905. hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2906. mjpeg_cuvid_decoder_deps="cuvid"

  2907. mjpeg_qsv_encoder_deps="libmfx"

  2908. mjpeg_qsv_encoder_select="qsvenc"

  2909. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  2910. mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"

  2911. mpeg1_cuvid_decoder_deps="cuvid"

  2912. mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"

  2913. mpeg2_crystalhd_decoder_select="crystalhd"

  2914. mpeg2_cuvid_decoder_deps="cuvid"

  2915. mpeg2_mmal_decoder_deps="mmal"

  2916. mpeg2_mediacodec_decoder_deps="mediacodec"

  2917. mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"

  2918. mpeg2_qsv_encoder_select="qsvenc"

  2919. mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"

  2920. mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"

  2921. mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"

  2922. mpeg4_crystalhd_decoder_select="crystalhd"

  2923. mpeg4_cuvid_decoder_deps="cuvid"

  2924. mpeg4_mediacodec_decoder_deps="mediacodec"

  2925. mpeg4_mmal_decoder_deps="mmal"

  2926. mpeg4_omx_encoder_deps="omx"

  2927. mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  2928. mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  2929. msmpeg4_crystalhd_decoder_select="crystalhd"

  2930. nvenc_h264_encoder_select="h264_nvenc_encoder"

  2931. nvenc_hevc_encoder_select="hevc_nvenc_encoder"

  2932. vc1_crystalhd_decoder_select="crystalhd"

  2933. vc1_cuvid_decoder_deps="cuvid"

  2934. vc1_mmal_decoder_deps="mmal"

  2935. vc1_qsv_decoder_select="qsvdec vc1_parser"

  2936. vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"

  2937. vp8_cuvid_decoder_deps="cuvid"

  2938. vp8_mediacodec_decoder_deps="mediacodec"

  2939. vp8_qsv_decoder_select="qsvdec vp8_parser"

  2940. vp8_rkmpp_decoder_deps="rkmpp"

  2941. vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"

  2942. vp8_vaapi_encoder_select="vaapi_encode"

  2943. vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"

  2944. vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"

  2945. vp9_cuvid_decoder_deps="cuvid"

  2946. vp9_mediacodec_decoder_deps="mediacodec"

  2947. vp9_rkmpp_decoder_deps="rkmpp"

  2948. vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"

  2949. vp9_vaapi_encoder_select="vaapi_encode"

  2950. vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"

  2951. wmv3_crystalhd_decoder_select="crystalhd"

  2952. 

  2953. # parsers

  2954. aac_parser_select="adts_header"

  2955. h264_parser_select="golomb h264dsp h264parse"

  2956. hevc_parser_select="hevcparse"

  2957. mpegaudio_parser_select="mpegaudioheader"

  2958. mpegvideo_parser_select="mpegvideo"

  2959. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2960. vc1_parser_select="vc1dsp"

  2961. 

  2962. # bitstream_filters

  2963. aac_adtstoasc_bsf_select="adts_header"

  2964. filter_units_bsf_select="cbs"

  2965. h264_metadata_bsf_deps="const_nan"

  2966. h264_metadata_bsf_select="cbs_h264"

  2967. h264_redundant_pps_bsf_select="cbs_h264"

  2968. hevc_metadata_bsf_select="cbs_h265"

  2969. mjpeg2jpeg_bsf_select="jpegtables"

  2970. mpeg2_metadata_bsf_select="cbs_mpeg2"

  2971. trace_headers_bsf_select="cbs"

  2972. 

  2973. # external libraries

  2974. aac_at_decoder_deps="audiotoolbox"

  2975. aac_at_decoder_select="aac_adtstoasc_bsf"

  2976. ac3_at_decoder_deps="audiotoolbox"

  2977. ac3_at_decoder_select="ac3_parser"

  2978. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  2979. alac_at_decoder_deps="audiotoolbox"

  2980. amr_nb_at_decoder_deps="audiotoolbox"

  2981. avisynth_deps_any="libdl LoadLibrary"

  2982. avisynth_demuxer_deps="avisynth"

  2983. avisynth_demuxer_select="riffdec"

  2984. eac3_at_decoder_deps="audiotoolbox"

  2985. eac3_at_decoder_select="ac3_parser"

  2986. gsm_ms_at_decoder_deps="audiotoolbox"

  2987. ilbc_at_decoder_deps="audiotoolbox"

  2988. mp1_at_decoder_deps="audiotoolbox"

  2989. mp2_at_decoder_deps="audiotoolbox"

  2990. mp3_at_decoder_deps="audiotoolbox"

  2991. mp1_at_decoder_select="mpegaudioheader"

  2992. mp2_at_decoder_select="mpegaudioheader"

  2993. mp3_at_decoder_select="mpegaudioheader"

  2994. pcm_alaw_at_decoder_deps="audiotoolbox"

  2995. pcm_mulaw_at_decoder_deps="audiotoolbox"

  2996. qdmc_at_decoder_deps="audiotoolbox"

  2997. qdm2_at_decoder_deps="audiotoolbox"

  2998. aac_at_encoder_deps="audiotoolbox"

  2999. aac_at_encoder_select="audio_frame_queue"

  3000. alac_at_encoder_deps="audiotoolbox"

  3001. alac_at_encoder_select="audio_frame_queue"

  3002. ilbc_at_encoder_deps="audiotoolbox"

  3003. ilbc_at_encoder_select="audio_frame_queue"

  3004. pcm_alaw_at_encoder_deps="audiotoolbox"

  3005. pcm_alaw_at_encoder_select="audio_frame_queue"

  3006. pcm_mulaw_at_encoder_deps="audiotoolbox"

  3007. pcm_mulaw_at_encoder_select="audio_frame_queue"

  3008. chromaprint_muxer_deps="chromaprint"

  3009. h264_videotoolbox_encoder_deps="pthreads"

  3010. h264_videotoolbox_encoder_select="videotoolbox_encoder"

  3011. hevc_videotoolbox_encoder_deps="pthreads"

  3012. hevc_videotoolbox_encoder_select="videotoolbox_encoder"

  3013. libaom_av1_decoder_deps="libaom"

  3014. libaom_av1_encoder_deps="libaom"

  3015. libcelt_decoder_deps="libcelt"

  3016. libcodec2_decoder_deps="libcodec2"

  3017. libcodec2_encoder_deps="libcodec2"

  3018. libfdk_aac_decoder_deps="libfdk_aac"

  3019. libfdk_aac_encoder_deps="libfdk_aac"

  3020. libfdk_aac_encoder_select="audio_frame_queue"

  3021. libgme_demuxer_deps="libgme"

  3022. libgsm_decoder_deps="libgsm"

  3023. libgsm_encoder_deps="libgsm"

  3024. libgsm_ms_decoder_deps="libgsm"

  3025. libgsm_ms_encoder_deps="libgsm"

  3026. libilbc_decoder_deps="libilbc"

  3027. libilbc_encoder_deps="libilbc"

  3028. libkvazaar_encoder_deps="libkvazaar"

  3029. libmodplug_demuxer_deps="libmodplug"

  3030. libmp3lame_encoder_deps="libmp3lame"

  3031. libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"

  3032. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  3033. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  3034. libopencore_amrnb_encoder_select="audio_frame_queue"

  3035. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  3036. libopenh264_decoder_deps="libopenh264"

  3037. libopenh264_decoder_select="h264_mp4toannexb_bsf"

  3038. libopenh264_encoder_deps="libopenh264"

  3039. libopenjpeg_decoder_deps="libopenjpeg"

  3040. libopenjpeg_encoder_deps="libopenjpeg"

  3041. libopenmpt_demuxer_deps="libopenmpt"

  3042. libopus_decoder_deps="libopus"

  3043. libopus_encoder_deps="libopus"

  3044. libopus_encoder_select="audio_frame_queue"

  3045. librsvg_decoder_deps="librsvg"

  3046. libshine_encoder_deps="libshine"

  3047. libshine_encoder_select="audio_frame_queue"

  3048. libspeex_decoder_deps="libspeex"

  3049. libspeex_encoder_deps="libspeex"

  3050. libspeex_encoder_select="audio_frame_queue"

  3051. libtheora_encoder_deps="libtheora"

  3052. libtwolame_encoder_deps="libtwolame"

  3053. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  3054. libvorbis_decoder_deps="libvorbis"

  3055. libvorbis_encoder_deps="libvorbis libvorbisenc"

  3056. libvorbis_encoder_select="audio_frame_queue"

  3057. libvpx_vp8_decoder_deps="libvpx"

  3058. libvpx_vp8_encoder_deps="libvpx"

  3059. libvpx_vp9_decoder_deps="libvpx"

  3060. libvpx_vp9_encoder_deps="libvpx"

  3061. libwavpack_encoder_deps="libwavpack"

  3062. libwavpack_encoder_select="audio_frame_queue"

  3063. libwebp_encoder_deps="libwebp"

  3064. libwebp_anim_encoder_deps="libwebp"

  3065. libx262_encoder_deps="libx262"

  3066. libx264_encoder_deps="libx264"

  3067. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  3068. libx264rgb_encoder_select="libx264_encoder"

  3069. libx265_encoder_deps="libx265"

  3070. libxavs_encoder_deps="libxavs"

  3071. libxvid_encoder_deps="libxvid"

  3072. libzvbi_teletext_decoder_deps="libzvbi"

  3073. videotoolbox_suggest="coreservices"

  3074. videotoolbox_deps="corefoundation coremedia corevideo"

  3075. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  3076. 

  3077. # demuxers / muxers

  3078. ac3_demuxer_select="ac3_parser"

  3079. aiff_muxer_select="iso_media"

  3080. asf_demuxer_select="riffdec"

  3081. asf_o_demuxer_select="riffdec"

  3082. asf_muxer_select="riffenc"

  3083. asf_stream_muxer_select="asf_muxer"

  3084. avi_demuxer_select="iso_media riffdec exif"

  3085. avi_muxer_select="riffenc"

  3086. caf_demuxer_select="iso_media riffdec"

  3087. caf_muxer_select="iso_media"

  3088. dash_muxer_select="mp4_muxer"

  3089. dash_demuxer_deps="libxml2"

  3090. dirac_demuxer_select="dirac_parser"

  3091. dts_demuxer_select="dca_parser"

  3092. dtshd_demuxer_select="dca_parser"

  3093. dv_demuxer_select="dvprofile"

  3094. dv_muxer_select="dvprofile"

  3095. dxa_demuxer_select="riffdec"

  3096. eac3_demuxer_select="ac3_parser"

  3097. f4v_muxer_select="mov_muxer"

  3098. fifo_muxer_deps="threads"

  3099. flac_demuxer_select="flac_parser"

  3100. hds_muxer_select="flv_muxer"

  3101. hls_muxer_select="mpegts_muxer"

  3102. hls_muxer_suggest="gcrypt openssl"

  3103. image2_alias_pix_demuxer_select="image2_demuxer"

  3104. image2_brender_pix_demuxer_select="image2_demuxer"

  3105. ipod_muxer_select="mov_muxer"

  3106. ismv_muxer_select="mov_muxer"

  3107. matroska_audio_muxer_select="matroska_muxer"

  3108. matroska_demuxer_select="iso_media riffdec"

  3109. matroska_demuxer_suggest="bzlib lzo zlib"

  3110. matroska_muxer_select="iso_media riffenc"

  3111. mmf_muxer_select="riffenc"

  3112. mov_demuxer_select="iso_media riffdec"

  3113. mov_demuxer_suggest="zlib"

  3114. mov_muxer_select="iso_media riffenc rtpenc_chain"

  3115. mp3_demuxer_select="mpegaudio_parser"

  3116. mp3_muxer_select="mpegaudioheader"

  3117. mp4_muxer_select="mov_muxer"

  3118. mpegts_demuxer_select="iso_media"

  3119. mpegts_muxer_select="adts_muxer latm_muxer"

  3120. mpegtsraw_demuxer_select="mpegts_demuxer"

  3121. mxf_d10_muxer_select="mxf_muxer"

  3122. mxf_opatom_muxer_select="mxf_muxer"

  3123. nut_muxer_select="riffenc"

  3124. nuv_demuxer_select="riffdec"

  3125. oga_muxer_select="ogg_muxer"

  3126. ogg_demuxer_select="dirac_parse"

  3127. ogv_muxer_select="ogg_muxer"

  3128. opus_muxer_select="ogg_muxer"

  3129. psp_muxer_select="mov_muxer"

  3130. rtp_demuxer_select="sdp_demuxer"

  3131. rtp_muxer_select="golomb"

  3132. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  3133. rtsp_demuxer_select="http_protocol rtpdec"

  3134. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  3135. sap_demuxer_select="sdp_demuxer"

  3136. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  3137. sdp_demuxer_select="rtpdec"

  3138. smoothstreaming_muxer_select="ismv_muxer"

  3139. spdif_demuxer_select="adts_header"

  3140. spdif_muxer_select="adts_header"

  3141. spx_muxer_select="ogg_muxer"

  3142. swf_demuxer_suggest="zlib"

  3143. tak_demuxer_select="tak_parser"

  3144. tg2_muxer_select="mov_muxer"

  3145. tgp_muxer_select="mov_muxer"

  3146. vobsub_demuxer_select="mpegps_demuxer"

  3147. w64_demuxer_select="wav_demuxer"

  3148. w64_muxer_select="wav_muxer"

  3149. wav_demuxer_select="riffdec"

  3150. wav_muxer_select="riffenc"

  3151. webm_muxer_select="iso_media riffenc"

  3152. webm_dash_manifest_demuxer_select="matroska_demuxer"

  3153. wtv_demuxer_select="mpegts_demuxer riffdec"

  3154. wtv_muxer_select="mpegts_muxer riffenc"

  3155. xmv_demuxer_select="riffdec"

  3156. xwma_demuxer_select="riffdec"

  3157. 

  3158. # indevs / outdevs

  3159. android_camera_indev_deps="android camera2ndk mediandk pthreads"

  3160. android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"

  3161. alsa_indev_deps="alsa"

  3162. alsa_outdev_deps="alsa"

  3163. avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"

  3164. avfoundation_indev_suggest="coregraphics applicationservices"

  3165. avfoundation_indev_extralibs="-framework Foundation"

  3166. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  3167. caca_outdev_deps="libcaca"

  3168. decklink_deps_any="libdl LoadLibrary"

  3169. decklink_indev_deps="decklink threads"

  3170. decklink_indev_extralibs="-lstdc++"

  3171. decklink_outdev_deps="decklink threads"

  3172. decklink_outdev_extralibs="-lstdc++"

  3173. libndi_newtek_indev_deps="libndi_newtek"

  3174. libndi_newtek_indev_extralibs="-lndi"

  3175. libndi_newtek_outdev_deps="libndi_newtek"

  3176. libndi_newtek_outdev_extralibs="-lndi"

  3177. dshow_indev_deps="IBaseFilter"

  3178. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  3179. fbdev_indev_deps="linux_fb_h"

  3180. fbdev_outdev_deps="linux_fb_h"

  3181. gdigrab_indev_deps="CreateDIBSection"

  3182. gdigrab_indev_extralibs="-lgdi32"

  3183. gdigrab_indev_select="bmp_decoder"

  3184. iec61883_indev_deps="libiec61883"

  3185. jack_indev_deps="libjack"

  3186. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  3187. kmsgrab_indev_deps="libdrm"

  3188. lavfi_indev_deps="avfilter"

  3189. libcdio_indev_deps="libcdio"

  3190. libdc1394_indev_deps="libdc1394"

  3191. openal_indev_deps="openal"

  3192. opengl_outdev_deps="opengl"

  3193. oss_indev_deps_any="sys_soundcard_h"

  3194. oss_outdev_deps_any="sys_soundcard_h"

  3195. pulse_indev_deps="libpulse"

  3196. pulse_outdev_deps="libpulse"

  3197. sdl2_outdev_deps="sdl2"

  3198. sndio_indev_deps="sndio"

  3199. sndio_outdev_deps="sndio"

  3200. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  3201. v4l2_indev_suggest="libv4l2"

  3202. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  3203. v4l2_outdev_suggest="libv4l2"

  3204. vfwcap_indev_deps="vfw32 vfwcap_defines"

  3205. xcbgrab_indev_deps="libxcb"

  3206. xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"

  3207. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  3208. xv_outdev_extralibs="-lXv -lX11 -lXext"

  3209. 

  3210. # protocols

  3211. async_protocol_deps="threads"

  3212. bluray_protocol_deps="libbluray"

  3213. ffrtmpcrypt_protocol_conflict="librtmp_protocol"

  3214. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  3215. ffrtmpcrypt_protocol_select="tcp_protocol"

  3216. ffrtmphttp_protocol_conflict="librtmp_protocol"

  3217. ffrtmphttp_protocol_select="http_protocol"

  3218. ftp_protocol_select="tcp_protocol"

  3219. gopher_protocol_select="network"

  3220. http_protocol_select="tcp_protocol"

  3221. http_protocol_suggest="zlib"

  3222. httpproxy_protocol_select="tcp_protocol"

  3223. httpproxy_protocol_suggest="zlib"

  3224. https_protocol_select="tls_protocol"

  3225. https_protocol_suggest="zlib"

  3226. icecast_protocol_select="http_protocol"

  3227. librtmp_protocol_deps="librtmp"

  3228. librtmpe_protocol_deps="librtmp"

  3229. librtmps_protocol_deps="librtmp"

  3230. librtmpt_protocol_deps="librtmp"

  3231. librtmpte_protocol_deps="librtmp"

  3232. libsmbclient_protocol_deps="libsmbclient gplv3"

  3233. libssh_protocol_deps="libssh"

  3234. libtls_conflict="openssl gnutls"

  3235. mmsh_protocol_select="http_protocol"

  3236. mmst_protocol_select="network"

  3237. rtmp_protocol_conflict="librtmp_protocol"

  3238. rtmp_protocol_select="tcp_protocol"

  3239. rtmp_protocol_suggest="zlib"

  3240. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  3241. rtmpe_protocol_suggest="zlib"

  3242. rtmps_protocol_conflict="librtmp_protocol"

  3243. rtmps_protocol_select="tls_protocol"

  3244. rtmps_protocol_suggest="zlib"

  3245. rtmpt_protocol_select="ffrtmphttp_protocol"

  3246. rtmpt_protocol_suggest="zlib"

  3247. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  3248. rtmpte_protocol_suggest="zlib"

  3249. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  3250. rtmpts_protocol_suggest="zlib"

  3251. rtp_protocol_select="udp_protocol"

  3252. schannel_conflict="openssl gnutls libtls"

  3253. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  3254. sctp_protocol_select="network"

  3255. securetransport_conflict="openssl gnutls libtls"

  3256. srtp_protocol_select="rtp_protocol srtp"

  3257. tcp_protocol_select="network"

  3258. tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"

  3259. tls_protocol_select="tcp_protocol"

  3260. udp_protocol_select="network"

  3261. udplite_protocol_select="network"

  3262. unix_protocol_deps="sys_un_h"

  3263. unix_protocol_select="network"

  3264. 

  3265. # filters

  3266. afftfilt_filter_deps="avcodec"

  3267. afftfilt_filter_select="fft"

  3268. afir_filter_deps="avcodec"

  3269. afir_filter_select="fft"

  3270. amovie_filter_deps="avcodec avformat"

  3271. aresample_filter_deps="swresample"

  3272. ass_filter_deps="libass"

  3273. atempo_filter_deps="avcodec"

  3274. atempo_filter_select="rdft"

  3275. avgblur_opencl_filter_deps="opencl"

  3276. azmq_filter_deps="libzmq"

  3277. blackframe_filter_deps="gpl"

  3278. boxblur_filter_deps="gpl"

  3279. bs2b_filter_deps="libbs2b"

  3280. colormatrix_filter_deps="gpl"

  3281. convolution_opencl_filter_deps="opencl"

  3282. convolve_filter_deps="avcodec"

  3283. convolve_filter_select="fft"

  3284. coreimage_filter_deps="coreimage appkit"

  3285. coreimage_filter_extralibs="-framework OpenGL"

  3286. coreimagesrc_filter_deps="coreimage appkit"

  3287. coreimagesrc_filter_extralibs="-framework OpenGL"

  3288. cover_rect_filter_deps="avcodec avformat gpl"

  3289. cropdetect_filter_deps="gpl"

  3290. deconvolve_filter_deps="avcodec"

  3291. deconvolve_filter_select="fft"

  3292. deinterlace_qsv_filter_deps="libmfx"

  3293. deinterlace_vaapi_filter_deps="vaapi"

  3294. delogo_filter_deps="gpl"

  3295. denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3296. deshake_filter_select="pixelutils"

  3297. drawtext_filter_deps="libfreetype"

  3298. drawtext_filter_suggest="libfontconfig libfribidi"

  3299. elbg_filter_deps="avcodec"

  3300. eq_filter_deps="gpl"

  3301. fftfilt_filter_deps="avcodec"

  3302. fftfilt_filter_select="rdft"

  3303. find_rect_filter_deps="avcodec avformat gpl"

  3304. firequalizer_filter_deps="avcodec"

  3305. firequalizer_filter_select="rdft"

  3306. flite_filter_deps="libflite"

  3307. framerate_filter_select="pixelutils"

  3308. frei0r_filter_deps="frei0r libdl"

  3309. frei0r_src_filter_deps="frei0r libdl"

  3310. fspp_filter_deps="gpl"

  3311. geq_filter_deps="gpl"

  3312. histeq_filter_deps="gpl"

  3313. hqdn3d_filter_deps="gpl"

  3314. interlace_filter_deps="gpl"

  3315. kerndeint_filter_deps="gpl"

  3316. ladspa_filter_deps="ladspa libdl"

  3317. lv2_filter_deps="lv2"

  3318. mcdeint_filter_deps="avcodec gpl"

  3319. movie_filter_deps="avcodec avformat"

  3320. mpdecimate_filter_deps="gpl"

  3321. mpdecimate_filter_select="pixelutils"

  3322. mptestsrc_filter_deps="gpl"

  3323. negate_filter_deps="lut_filter"

  3324. nnedi_filter_deps="gpl"

  3325. ocr_filter_deps="libtesseract"

  3326. ocv_filter_deps="libopencv"

  3327. openclsrc_filter_deps="opencl"

  3328. overlay_opencl_filter_deps="opencl"

  3329. overlay_qsv_filter_deps="libmfx"

  3330. overlay_qsv_filter_select="qsvvpp"

  3331. owdenoise_filter_deps="gpl"

  3332. pan_filter_deps="swresample"

  3333. perspective_filter_deps="gpl"

  3334. phase_filter_deps="gpl"

  3335. pp7_filter_deps="gpl"

  3336. pp_filter_deps="gpl postproc"

  3337. procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3338. program_opencl_filter_deps="opencl"

  3339. pullup_filter_deps="gpl"

  3340. removelogo_filter_deps="avcodec avformat swscale"

  3341. repeatfields_filter_deps="gpl"

  3342. resample_filter_deps="avresample"

  3343. rubberband_filter_deps="librubberband"

  3344. sab_filter_deps="gpl swscale"

  3345. scale2ref_filter_deps="swscale"

  3346. scale_filter_deps="swscale"

  3347. scale_qsv_filter_deps="libmfx"

  3348. select_filter_select="pixelutils"

  3349. sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3350. showcqt_filter_deps="avcodec avformat swscale"

  3351. showcqt_filter_suggest="libfontconfig libfreetype"

  3352. showcqt_filter_select="fft"

  3353. showfreqs_filter_deps="avcodec"

  3354. showfreqs_filter_select="fft"

  3355. showspectrum_filter_deps="avcodec"

  3356. showspectrum_filter_select="fft"

  3357. showspectrumpic_filter_deps="avcodec"

  3358. showspectrumpic_filter_select="fft"

  3359. signature_filter_deps="gpl avcodec avformat"

  3360. smartblur_filter_deps="gpl swscale"

  3361. sofalizer_filter_deps="libmysofa avcodec"

  3362. sofalizer_filter_select="fft"

  3363. spectrumsynth_filter_deps="avcodec"

  3364. spectrumsynth_filter_select="fft"

  3365. spp_filter_deps="gpl avcodec"

  3366. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3367. stereo3d_filter_deps="gpl"

  3368. subtitles_filter_deps="avformat avcodec libass"

  3369. super2xsai_filter_deps="gpl"

  3370. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3371. tinterlace_filter_deps="gpl"

  3372. tinterlace_merge_test_deps="tinterlace_filter"

  3373. tinterlace_pad_test_deps="tinterlace_filter"

  3374. tonemap_filter_deps="const_nan"

  3375. unsharp_opencl_filter_deps="opencl"

  3376. uspp_filter_deps="gpl avcodec"

  3377. vaguedenoiser_filter_deps="gpl"

  3378. vidstabdetect_filter_deps="libvidstab"

  3379. vidstabtransform_filter_deps="libvidstab"

  3380. libvmaf_filter_deps="libvmaf pthreads"

  3381. zmq_filter_deps="libzmq"

  3382. zoompan_filter_deps="swscale"

  3383. zscale_filter_deps="libzimg const_nan"

  3384. scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3385. vpp_qsv_filter_deps="libmfx"

  3386. vpp_qsv_filter_select="qsvvpp"

  3387. 

  3388. # examples

  3389. avio_dir_cmd_deps="avformat avutil"

  3390. avio_reading_deps="avformat avcodec avutil"

  3391. decode_audio_example_deps="avcodec avutil"

  3392. decode_video_example_deps="avcodec avutil"

  3393. demuxing_decoding_example_deps="avcodec avformat avutil"

  3394. encode_audio_example_deps="avcodec avutil"

  3395. encode_video_example_deps="avcodec avutil"

  3396. extract_mvs_example_deps="avcodec avformat avutil"

  3397. filter_audio_example_deps="avfilter avutil"

  3398. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3399. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3400. http_multiclient_example_deps="avformat avutil fork"

  3401. hw_decode_example_deps="avcodec avformat avutil"

  3402. metadata_example_deps="avformat avutil"

  3403. muxing_example_deps="avcodec avformat avutil swscale"

  3404. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"

  3405. remuxing_example_deps="avcodec avformat avutil"

  3406. resampling_audio_example_deps="avutil swresample"

  3407. scaling_video_example_deps="avutil swscale"

  3408. transcode_aac_example_deps="avcodec avformat swresample"

  3409. transcoding_example_deps="avfilter avcodec avformat avutil"

  3410. vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"

  3411. vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"

  3412. 

  3413. # EXTRALIBS_LIST

  3414. cpu_init_extralibs="pthreads_extralibs"

  3415. cws2fws_extralibs="zlib_extralibs"

  3416. 

  3417. # libraries, in linking order

  3418. avcodec_deps="avutil"

  3419. avcodec_suggest="libm"

  3420. avcodec_select="null_bsf"

  3421. avdevice_deps="avformat avcodec avutil"

  3422. avdevice_suggest="libm"

  3423. avfilter_deps="avutil"

  3424. avfilter_suggest="libm"

  3425. avformat_deps="avcodec avutil"

  3426. avformat_suggest="libm network zlib"

  3427. avresample_deps="avutil"

  3428. avresample_suggest="libm"

  3429. avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"

  3430. postproc_deps="avutil gpl"

  3431. postproc_suggest="libm"

  3432. swresample_deps="avutil"

  3433. swresample_suggest="libm libsoxr"

  3434. swscale_deps="avutil"

  3435. swscale_suggest="libm"

  3436. 

  3437. avcodec_extralibs="pthreads_extralibs iconv_extralibs"

  3438. avfilter_extralibs="pthreads_extralibs"

  3439. avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"

  3440. 

  3441. # programs

  3442. ffmpeg_deps="avcodec avfilter avformat swresample"

  3443. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3444.                null_filter

  3445.                trim_filter"

  3446. ffmpeg_suggest="ole32 psapi shell32"

  3447. ffplay_deps="avcodec avformat swscale swresample sdl2"

  3448. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3449. ffplay_suggest="shell32"

  3450. ffprobe_deps="avcodec avformat"

  3451. ffprobe_suggest="shell32"

  3452. 

  3453. # documentation

  3454. podpages_deps="perl"

  3455. manpages_deps="perl pod2man"

  3456. htmlpages_deps="perl"

  3457. htmlpages_deps_any="makeinfo_html texi2html"

  3458. txtpages_deps="perl makeinfo"

  3459. doc_deps_any="manpages htmlpages podpages txtpages"

  3460. 

  3461. # default parameters

  3462. 

  3463. logfile="ffbuild/config.log"

  3464. 

  3465. # installation paths

  3466. prefix_default="/usr/local"

  3467. bindir_default='${prefix}/bin'

  3468. datadir_default='${prefix}/share/ffmpeg'

  3469. docdir_default='${prefix}/share/doc/ffmpeg'

  3470. incdir_default='${prefix}/include'

  3471. libdir_default='${prefix}/lib'

  3472. mandir_default='${prefix}/share/man'

  3473. 

  3474. # toolchain

  3475. ar_default="ar"

  3476. cc_default="gcc"

  3477. cxx_default="g++"

  3478. host_cc_default="gcc"

  3479. doxygen_default="doxygen"

  3480. install="install"

  3481. ln_s_default="ln -s -f"

  3482. nm_default="nm -g"

  3483. pkg_config_default=pkg-config

  3484. ranlib_default="ranlib"

  3485. strip_default="strip"

  3486. version_script='--version-script'

  3487. objformat="elf32"

  3488. x86asmexe_default="nasm"

  3489. windres_default="windres"

  3490. nvcc_default="nvcc"

  3491. nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"

  3492. striptype="direct"

  3493. 

  3494. # OS

  3495. target_os_default=$(tolower $(uname -s))

  3496. host_os=$target_os_default

  3497. 

  3498. # machine

  3499. if test "$target_os_default" = aix; then

  3500.     arch_default=$(uname -p)

  3501.     strip_default="strip -X32_64"

  3502. else

  3503.     arch_default=$(uname -m)

  3504. fi

  3505. cpu="generic"

  3506. intrinsics="none"

  3507. 

  3508. # configurable options

  3509. enable $PROGRAM_LIST

  3510. enable $DOCUMENT_LIST

  3511. enable $EXAMPLE_LIST

  3512. enable $(filter_out avresample $LIBRARY_LIST)

  3513. enable stripping

  3514. 

  3515. enable asm

  3516. enable debug

  3517. enable doc

  3518. enable faan faandct faanidct

  3519. enable optimizations

  3520. enable runtime_cpudetect

  3521. enable safe_bitstream_reader

  3522. enable static

  3523. enable swscale_alpha

  3524. enable valgrind_backtrace

  3525. 

  3526. sws_max_filter_size_default=256

  3527. set_default sws_max_filter_size

  3528. 

  3529. # internal components are enabled by default

  3530. enable $EXTRALIBS_LIST

  3531. 

  3532. # Avoid external, non-system, libraries getting enabled by dependency resolution

  3533. disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST

  3534. 

  3535. # build settings

  3536. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3537. LIBPREF="lib"

  3538. LIBSUF=".a"

  3539. FULLNAME='$(NAME)$(BUILDSUF)'

  3540. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3541. SLIBPREF="lib"

  3542. SLIBSUF=".so"

  3543. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3544. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3545. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3546. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3547. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3548. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3549. VERSION_SCRIPT_POSTPROCESS_CMD="cat"

  3550. 

  3551. asflags_filter=echo

  3552. cflags_filter=echo

  3553. ldflags_filter=echo

  3554. 

  3555. AS_C='-c'

  3556. AS_O='-o $@'

  3557. CC_C='-c'

  3558. CC_E='-E -o $@'

  3559. CC_O='-o $@'

  3560. CXX_C='-c'

  3561. CXX_O='-o $@'

  3562. OBJCC_C='-c'

  3563. OBJCC_E='-E -o $@'

  3564. OBJCC_O='-o $@'

  3565. X86ASM_O='-o $@'

  3566. LD_O='-o $@'

  3567. LD_LIB='-l%'

  3568. LD_PATH='-L'

  3569. HOSTCC_C='-c'

  3570. HOSTCC_E='-E -o $@'

  3571. HOSTCC_O='-o $@'

  3572. HOSTLD_O='-o $@'

  3573. NVCC_C='-c'

  3574. NVCC_O='-o $@'

  3575. 

  3576. host_extralibs='-lm'

  3577. host_cflags_filter=echo

  3578. host_ldflags_filter=echo

  3579. 

  3580. target_path='$(CURDIR)'

  3581. 

  3582. # since the object filename is not given with the -MM flag, the compiler

  3583. # is only able to print the basename, and we must add the path ourselves

  3584. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3585. DEPFLAGS='-MM'

  3586. 

  3587. mkdir -p ffbuild

  3588. 

  3589. # find source path

  3590. if test -f configure; then

  3591.     source_path=.

  3592. else

  3593.     source_path=$(cd $(dirname "$0"); pwd)

  3594.     case "$source_path" in

  3595.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3596.     esac

  3597.     test -e "$source_path/config.h" &&

  3598.         die "Out of tree builds are impossible with config.h in source dir."

  3599. fi

  3600. 

  3601. for v in "$@"; do

  3602.     r=${v#*=}

  3603.     l=${v%"$r"}

  3604.     r=$(sh_quote "$r")

  3605.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3606. done

  3607. 

  3608. find_things(){

  3609.     thing=$1

  3610.     pattern=$2

  3611.     file=$source_path/$3

  3612.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3613. }

  3614. 

  3615. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3616. 

  3617. find_things_extern(){

  3618.     thing=$1

  3619.     pattern=$2

  3620.     file=$source_path/$3

  3621.     out=${4:-$thing}

  3622.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"

  3623. }

  3624. 

  3625. OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)

  3626. INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)

  3627. MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)

  3628. DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)

  3629. ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)

  3630. DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)

  3631. CODEC_LIST="

  3632.     $ENCODER_LIST

  3633.     $DECODER_LIST

  3634. "

  3635. PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)

  3636. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3637. HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)

  3638. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3639. 

  3640. AVCODEC_COMPONENTS_LIST="

  3641.     $BSF_LIST

  3642.     $DECODER_LIST

  3643.     $ENCODER_LIST

  3644.     $HWACCEL_LIST

  3645.     $PARSER_LIST

  3646. "

  3647. 

  3648. AVDEVICE_COMPONENTS_LIST="

  3649.     $INDEV_LIST

  3650.     $OUTDEV_LIST

  3651. "

  3652. 

  3653. AVFILTER_COMPONENTS_LIST="

  3654.     $FILTER_LIST

  3655. "

  3656. 

  3657. AVFORMAT_COMPONENTS_LIST="

  3658.     $DEMUXER_LIST

  3659.     $MUXER_LIST

  3660.     $PROTOCOL_LIST

  3661. "

  3662. 

  3663. ALL_COMPONENTS="

  3664.     $AVCODEC_COMPONENTS_LIST

  3665.     $AVDEVICE_COMPONENTS_LIST

  3666.     $AVFILTER_COMPONENTS_LIST

  3667.     $AVFORMAT_COMPONENTS_LIST

  3668. "

  3669. 

  3670. for n in $COMPONENT_LIST; do

  3671.     v=$(toupper ${n%s})_LIST

  3672.     eval enable \$$v

  3673.     eval ${n}_if_any="\$$v"

  3674. done

  3675. 

  3676. enable $ARCH_EXT_LIST

  3677. 

  3678. die_unknown(){

  3679.     echo "Unknown option \"$1\"."

  3680.     echo "See $0 --help for available options."

  3681.     exit 1

  3682. }

  3683. 

  3684. print_in_columns() {

  3685.     cols=$(expr $ncols / 24)

  3686.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3687. }

  3688. 

  3689. show_list() {

  3690.     suffix=_$1

  3691.     shift

  3692.     echo $* | sed s/$suffix//g | print_in_columns

  3693.     exit 0

  3694. }

  3695. 

  3696. rand_list(){

  3697.     IFS=', '

  3698.     set -- $*

  3699.     unset IFS

  3700.     for thing; do

  3701.         comp=${thing%:*}

  3702.         prob=${thing#$comp}

  3703.         prob=${prob#:}

  3704.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3705.         echo "prob ${prob:-0.5}"

  3706.         printf '%s\n' $comp

  3707.     done

  3708. }

  3709. 

  3710. do_random(){

  3711.     action=$1

  3712.     shift

  3713.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3714.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3715. }

  3716. 

  3717. for opt do

  3718.     optval="${opt#*=}"

  3719.     case "$opt" in

  3720.         --extra-ldflags=*)

  3721.             add_ldflags $optval

  3722.         ;;

  3723.         --extra-ldexeflags=*)

  3724.             add_ldexeflags $optval

  3725.         ;;

  3726.         --extra-ldsoflags=*)

  3727.             add_ldsoflags $optval

  3728.         ;;

  3729.         --extra-ldlibflags=*)

  3730.             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\

  3731.                  "removed in the future. Use --extra-ldsoflags instead."

  3732.             add_ldsoflags $optval

  3733.         ;;

  3734.         --extra-libs=*)

  3735.             add_extralibs $optval

  3736.         ;;

  3737.         --disable-devices)

  3738.             disable $INDEV_LIST $OUTDEV_LIST

  3739.         ;;

  3740.         --enable-debug=*)

  3741.             debuglevel="$optval"

  3742.         ;;

  3743.         --disable-programs)

  3744.             disable $PROGRAM_LIST

  3745.         ;;

  3746.         --disable-everything)

  3747.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3748.         ;;

  3749.         --disable-all)

  3750.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3751.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3752.             enable avutil

  3753.         ;;

  3754.         --enable-random|--disable-random)

  3755.             action=${opt%%-random}

  3756.             do_random ${action#--} $COMPONENT_LIST

  3757.         ;;

  3758.         --enable-random=*|--disable-random=*)

  3759.             action=${opt%%-random=*}

  3760.             do_random ${action#--} $optval

  3761.         ;;

  3762.         --enable-sdl)

  3763.             enable sdl2

  3764.         ;;

  3765.         --enable-*=*|--disable-*=*)

  3766.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3767.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3768.             eval list=\$$(toupper $thing)_LIST

  3769.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3770.             list=$(filter "$name" $list)

  3771.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3772.             $action $list

  3773.         ;;

  3774.         --enable-yasm|--disable-yasm)

  3775.             warn "The ${opt} option is only provided for compatibility and will be\n"\

  3776.                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."

  3777.             test $opt = --enable-yasm && x86asm=yes || x86asm=no

  3778.         ;;

  3779.         --yasmexe=*)

  3780.             warn "The --yasmexe option is only provided for compatibility and will be\n"\

  3781.                  "removed in the future. Use --x86asmexe instead."

  3782.             x86asmexe="$optval"

  3783.         ;;

  3784.         --enable-?*|--disable-?*)

  3785.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3786.             if is_in $option $COMPONENT_LIST; then

  3787.                 test $action = disable && action=unset

  3788.                 eval $action \$$(toupper ${option%s})_LIST

  3789.             elif is_in $option $CMDLINE_SELECT; then

  3790.                 $action $option

  3791.             else

  3792.                 die_unknown $opt

  3793.             fi

  3794.         ;;

  3795.         --list-*)

  3796.             NAME="${opt#--list-}"

  3797.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3798.             NAME=${NAME%s}

  3799.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3800.         ;;

  3801.         --help|-h) show_help

  3802.         ;;

  3803.         --quiet|-q) quiet=yes

  3804.         ;;

  3805.         --fatal-warnings) enable fatal_warnings

  3806.         ;;

  3807.         --libfuzzer=*)

  3808.             libfuzzer_path="$optval"

  3809.         ;;

  3810.         *)

  3811.             optname="${opt%%=*}"

  3812.             optname="${optname#--}"

  3813.             optname=$(echo "$optname" | sed 's/-/_/g')

  3814.             if is_in $optname $CMDLINE_SET; then

  3815.                 eval $optname='$optval'

  3816.             elif is_in $optname $CMDLINE_APPEND; then

  3817.                 append $optname "$optval"

  3818.             else

  3819.                 die_unknown $opt

  3820.             fi

  3821.         ;;

  3822.     esac

  3823. done

  3824. 

  3825. for e in $env; do

  3826.     eval "export $e"

  3827. done

  3828. 

  3829. if disabled autodetect; then

  3830. 

  3831.     # Unless iconv is explicitely disabled by the user, we still want to probe

  3832.     # for the iconv from the libc.

  3833.     disabled iconv || enable libc_iconv

  3834. 

  3835.     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3836.     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3837. fi

  3838. # Mark specifically enabled, but normally autodetected libraries as requested.

  3839. for lib in $AUTODETECT_LIBS; do

  3840.     enabled $lib && request $lib

  3841. done

  3842. #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way

  3843. enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3844. enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3845. 

  3846. disabled logging && logfile=/dev/null

  3847. 

  3848. # command line configuration sanity checks

  3849. 

  3850. # we need to build at least one lib type

  3851. if ! enabled_any static shared; then

  3852.     cat <<EOF

  3853. At least one library type must be built.

  3854. Specify --enable-static to build the static libraries or --enable-shared to

  3855. build the shared libraries as well. To only build the shared libraries specify

  3856. --disable-static in addition to --enable-shared.

  3857. EOF

  3858.     exit 1

  3859. fi

  3860. 

  3861. die_license_disabled() {

  3862.     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }

  3863. }

  3864. 

  3865. die_license_disabled_gpl() {

  3866.     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }

  3867. }

  3868. 

  3869. map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3870. map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3871. 

  3872. enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST

  3873. map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST

  3874. 

  3875. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  3876. 

  3877. if enabled nonfree; then

  3878.     license="nonfree and unredistributable"

  3879. elif enabled gplv3; then

  3880.     license="GPL version 3 or later"

  3881. elif enabled lgplv3; then

  3882.     license="LGPL version 3 or later"

  3883. elif enabled gpl; then

  3884.     license="GPL version 2 or later"

  3885. else

  3886.     license="LGPL version 2.1 or later"

  3887. fi

  3888. 

  3889. enabled_all gnutls openssl &&

  3890.     die "GnuTLS and OpenSSL must not be enabled at the same time."

  3891. 

  3892. # Disable all the library-specific components if the library itself

  3893. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3894. 

  3895. disable_components(){

  3896.     disabled ${1} && disable $(

  3897.         eval components="\$$(toupper ${1})_COMPONENTS"

  3898.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3899.     )

  3900. }

  3901. 

  3902. map 'disable_components $v' $LIBRARY_LIST

  3903. 

  3904. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3905. set >> $logfile

  3906. 

  3907. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3908. 

  3909. enabled ossfuzz && {

  3910.     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer

  3911.     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp

  3912. }

  3913. 

  3914. case "$toolchain" in

  3915.     *-asan)

  3916.         cc_default="${toolchain%-asan}"

  3917.         add_cflags  -fsanitize=address

  3918.         add_ldflags -fsanitize=address

  3919.     ;;

  3920.     *-msan)

  3921.         cc_default="${toolchain%-msan}"

  3922.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  3923.         add_ldflags -fsanitize=memory

  3924.     ;;

  3925.     *-tsan)

  3926.         cc_default="${toolchain%-tsan}"

  3927.         add_cflags  -fsanitize=thread -fPIE

  3928.         add_ldflags -fsanitize=thread -pie

  3929.         case "$toolchain" in

  3930.             gcc-tsan)

  3931.                 add_cflags  -fPIC

  3932.                 add_ldflags -fPIC

  3933.                 ;;

  3934.         esac

  3935.     ;;

  3936.     *-usan)

  3937.         cc_default="${toolchain%-usan}"

  3938.         add_cflags  -fsanitize=undefined

  3939.         add_ldflags -fsanitize=undefined

  3940.     ;;

  3941.     valgrind-*)

  3942.         target_exec_default="valgrind"

  3943.         case "$toolchain" in

  3944.             valgrind-massif)

  3945.                 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"

  3946.                 ;;

  3947.             valgrind-memcheck)

  3948.                 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"

  3949.                 ;;

  3950.         esac

  3951.     ;;

  3952.     msvc)

  3953.         # Check whether the current MSVC version needs the C99 converter.

  3954.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3955.         # support enough of C99 to build ffmpeg. Default to the new

  3956.         # behaviour if the regexp was unable to match anything, since this

  3957.         # successfully parses the version number of existing supported

  3958.         # versions that require the converter (MSVC 2010 and 2012).

  3959.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3960.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3961.             cc_default="cl"

  3962.             cxx_default="cl"

  3963.         else

  3964.             cc_default="c99wrap cl"

  3965.             cxx_default="c99wrap cl"

  3966.         fi

  3967.         ld_default="$source_path/compat/windows/mslink"

  3968.         nm_default="dumpbin -symbols"

  3969.         ar_default="lib"

  3970.         case "$arch" in

  3971.         aarch64|arm64)

  3972.             as_default="armasm64"

  3973.             ;;

  3974.         arm*)

  3975.             as_default="armasm"

  3976.             ;;

  3977.         esac

  3978.         target_os_default="win32"

  3979.         # Use a relative path for TMPDIR. This makes sure all the

  3980.         # ffconf temp files are written with a relative path, avoiding

  3981.         # issues with msys/win32 path conversion for MSVC parameters

  3982.         # such as -Fo<file> or -out:<file>.

  3983.         TMPDIR=.

  3984.     ;;

  3985.     icl)

  3986.         cc_default="icl"

  3987.         ld_default="xilink"

  3988.         nm_default="dumpbin -symbols"

  3989.         ar_default="xilib"

  3990.         target_os_default="win32"

  3991.         TMPDIR=.

  3992.     ;;

  3993.     gcov)

  3994.         add_cflags  -fprofile-arcs -ftest-coverage

  3995.         add_ldflags -fprofile-arcs -ftest-coverage

  3996.     ;;

  3997.     llvm-cov)

  3998.         add_cflags -fprofile-arcs -ftest-coverage

  3999.         add_ldflags --coverage

  4000.     ;;

  4001.     hardened)

  4002.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  4003.         add_cflags   -fno-strict-overflow -fstack-protector-all

  4004.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  4005.         add_cflags   -fPIE

  4006.         add_ldexeflags -fPIE -pie

  4007.     ;;

  4008.     ?*)

  4009.         die "Unknown toolchain $toolchain"

  4010.     ;;

  4011. esac

  4012. 

  4013. if test -n "$cross_prefix"; then

  4014.     test -n "$arch" && test -n "$target_os" ||

  4015.         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"

  4016.     enable cross_compile

  4017. fi

  4018. 

  4019. ar_default="${cross_prefix}${ar_default}"

  4020. cc_default="${cross_prefix}${cc_default}"

  4021. cxx_default="${cross_prefix}${cxx_default}"

  4022. nm_default="${cross_prefix}${nm_default}"

  4023. pkg_config_default="${cross_prefix}${pkg_config_default}"

  4024. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  4025.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  4026. else

  4027.     ranlib_default="${cross_prefix}${ranlib_default}"

  4028. fi

  4029. strip_default="${cross_prefix}${strip_default}"

  4030. windres_default="${cross_prefix}${windres_default}"

  4031. 

  4032. sysinclude_default="${sysroot}/usr/include"

  4033. 

  4034. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  4035.     target_exec target_os x86asmexe nvcc

  4036. enabled cross_compile || host_cc_default=$cc

  4037. set_default host_cc

  4038. 

  4039. pkg_config_fail_message=""

  4040. if ! $pkg_config --version >/dev/null 2>&1; then

  4041.     warn "$pkg_config not found, library detection may fail."

  4042.     pkg_config=false

  4043. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  4044.     pkg_config_fail_message="

  4045. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  4046. fi

  4047. 

  4048. if test $doxygen != $doxygen_default && \

  4049.   ! $doxygen --version >/dev/null 2>&1; then

  4050.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  4051. fi

  4052. 

  4053. exesuf() {

  4054.     case $1 in

  4055.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  4056.     esac

  4057. }

  4058. 

  4059. EXESUF=$(exesuf $target_os)

  4060. HOSTEXESUF=$(exesuf $host_os)

  4061. 

  4062. # set temporary file name

  4063. : ${TMPDIR:=$TEMPDIR}

  4064. : ${TMPDIR:=$TMP}

  4065. : ${TMPDIR:=/tmp}

  4066. 

  4067. if [ -n "$tempprefix" ] ; then

  4068.     mktemp(){

  4069.         tmpname="$tempprefix.${HOSTNAME}.${UID}"

  4070.         echo "$tmpname"

  4071.         mkdir "$tmpname"

  4072.     }

  4073. elif ! test_cmd mktemp -u XXXXXX; then

  4074.     # simple replacement for missing mktemp

  4075.     # NOT SAFE FOR GENERAL USE

  4076.     mktemp(){

  4077.         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  4078.         echo "$tmpname"

  4079.         mkdir "$tmpname"

  4080.     }

  4081. fi

  4082. 

  4083. FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||

  4084.     die "Unable to create temporary directory in $TMPDIR."

  4085. 

  4086. tmpfile(){

  4087.     tmp="${FFTMPDIR}/test"$2

  4088.     (set -C; exec > $tmp) 2> /dev/null ||

  4089.         die "Unable to create temporary file in $FFTMPDIR."

  4090.     eval $1=$tmp

  4091. }

  4092. 

  4093. trap 'rm -rf -- "$FFTMPDIR"' EXIT

  4094. trap 'exit 2' INT

  4095. 

  4096. tmpfile TMPASM .asm

  4097. tmpfile TMPC   .c

  4098. tmpfile TMPCPP .cpp

  4099. tmpfile TMPE   $EXESUF

  4100. tmpfile TMPH   .h

  4101. tmpfile TMPM   .m

  4102. tmpfile TMPO   .o

  4103. tmpfile TMPS   .S

  4104. tmpfile TMPSH  .sh

  4105. tmpfile TMPV   .ver

  4106. 

  4107. unset -f mktemp

  4108. 

  4109. chmod +x $TMPE

  4110. 

  4111. # make sure we can execute files in $TMPDIR

  4112. cat > $TMPSH 2>> $logfile <<EOF

  4113. #! /bin/sh

  4114. EOF

  4115. chmod +x $TMPSH >> $logfile 2>&1

  4116. if ! $TMPSH >> $logfile 2>&1; then

  4117.     cat <<EOF

  4118. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  4119. variable to another directory and make sure that it is not mounted noexec.

  4120. EOF

  4121.     die "Sanity test failed."

  4122. fi

  4123. 

  4124. armasm_flags(){

  4125.     for flag; do

  4126.         case $flag in

  4127.             # Filter out MSVC cl.exe options from cflags that shouldn't

  4128.             # be passed to gas-preprocessor

  4129.             -M[TD]*)                                            ;;

  4130.             *)                  echo $flag                      ;;

  4131.         esac

  4132.    done

  4133. }

  4134. 

  4135. cparser_flags(){

  4136.     for flag; do

  4137.         case $flag in

  4138.             -Wno-switch)             echo -Wno-switch-enum ;;

  4139.             -Wno-format-zero-length) ;;

  4140.             -Wdisabled-optimization) ;;

  4141.             -Wno-pointer-sign)       echo -Wno-other ;;

  4142.             *)                       echo $flag ;;

  4143.         esac

  4144.     done

  4145. }

  4146. 

  4147. msvc_common_flags(){

  4148.     for flag; do

  4149.         case $flag in

  4150.             # In addition to specifying certain flags under the compiler

  4151.             # specific filters, they must be specified here as well or else the

  4152.             # generic catch all at the bottom will print the original flag.

  4153.             -Wall)                ;;

  4154.             -Wextra)              ;;

  4155.             -std=c99)             ;;

  4156.             # Common flags

  4157.             -fomit-frame-pointer) ;;

  4158.             -g)                   echo -Z7 ;;

  4159.             -fno-math-errno)      ;;

  4160.             -fno-common)          ;;

  4161.             -fno-signed-zeros)    ;;

  4162.             -fPIC)                ;;

  4163.             -mthumb)              ;;

  4164.             -march=*)             ;;

  4165.             -lz)                  echo zlib.lib ;;

  4166.             -lx264)               echo libx264.lib ;;

  4167.             -lstdc++)             ;;

  4168.             -l*)                  echo ${flag#-l}.lib ;;

  4169.             -LARGEADDRESSAWARE)   echo $flag ;;

  4170.             -L*)                  echo -libpath:${flag#-L} ;;

  4171.             *)                    echo $flag ;;

  4172.         esac

  4173.     done

  4174. }

  4175. 

  4176. msvc_flags(){

  4177.     msvc_common_flags "$@"

  4178.     for flag; do

  4179.         case $flag in

  4180.             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \

  4181.                                        -wd4554 ;;

  4182.             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  4183.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  4184.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  4185.                                        -wd4307 \

  4186.                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;

  4187.         esac

  4188.     done

  4189. }

  4190. 

  4191. icl_flags(){

  4192.     msvc_common_flags "$@"

  4193.     for flag; do

  4194.         case $flag in

  4195.             # Despite what Intel's documentation says -Wall, which is supported

  4196.             # on Windows, does enable remarks so disable them here.

  4197.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  4198.             -std=c99)             echo -Qstd=c99 ;;

  4199.             -flto)                echo -ipo ;;

  4200.         esac

  4201.     done

  4202. }

  4203. 

  4204. icc_flags(){

  4205.     for flag; do

  4206.         case $flag in

  4207.             -flto)                echo -ipo ;;

  4208.             *)                    echo $flag ;;

  4209.         esac

  4210.     done

  4211. }

  4212. 

  4213. suncc_flags(){

  4214.     for flag; do

  4215.         case $flag in

  4216.             -march=*|-mcpu=*)

  4217.                 case "${flag#*=}" in

  4218.                     native)                   echo -xtarget=native       ;;

  4219.                     v9|niagara)               echo -xarch=sparc          ;;

  4220.                     ultrasparc)               echo -xarch=sparcvis       ;;

  4221.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  4222.                     i586|pentium)             echo -xchip=pentium        ;;

  4223.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  4224.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  4225.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  4226.                     pentium4*)          echo -xtarget=pentium4           ;;

  4227.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  4228.                     *-sse3)             echo -xarch=sse3                 ;;

  4229.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  4230.                     bonnell)                   echo -xarch=ssse3         ;;

  4231.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  4232.                     westmere)                  echo -xtarget=westmere    ;;

  4233.                     silvermont)                echo -xarch=sse4_2        ;;

  4234.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  4235.                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)

  4236.                                                echo -xarch=avx           ;;

  4237.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  4238.                     btver1)                    echo -xarch=amdsse4a      ;;

  4239.                     btver2|bdver*|znver*)      echo -xarch=avx           ;;

  4240.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  4241.                     k8|opteron|athlon64|athlon-fx)

  4242.                                                echo -xarch=sse2a         ;;

  4243.                     athlon*)                   echo -xarch=pentium_proa  ;;

  4244.                 esac

  4245.                 ;;

  4246.             -std=c99)             echo -xc99              ;;

  4247.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  4248.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  4249.             -W*,*)                echo $flag              ;;

  4250.             -f*-*|-W*|-mimpure-text)                      ;;

  4251.             -shared)              echo -G                 ;;

  4252.             *)                    echo $flag              ;;

  4253.         esac

  4254.     done

  4255. }

  4256. 

  4257. probe_cc(){

  4258.     pfx=$1

  4259.     _cc=$2

  4260.     first=$3

  4261. 

  4262.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  4263.     unset _ld_o _ldflags _ld_lib _ld_path

  4264.     unset _depflags _DEPCMD _DEPFLAGS

  4265.     _flags_filter=echo

  4266. 

  4267.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  4268.         true # no-op to avoid reading stdin in following checks

  4269.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  4270.         _type=llvm_gcc

  4271.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  4272.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  4273.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4274.         _cflags_speed='-O3'

  4275.         _cflags_size='-Os'

  4276.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  4277.         _type=gcc

  4278.         gcc_version=$($_cc --version | head -n1)

  4279.         gcc_basever=$($_cc -dumpversion)

  4280.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  4281.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  4282.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  4283.         case $gcc_basever in

  4284.             2) ;;

  4285.             2.*) ;;

  4286.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  4287.         esac

  4288.         if [ "$first" = true ]; then

  4289.             case $gcc_basever in

  4290.                 4.2*)

  4291.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  4292.             esac

  4293.         fi

  4294.         _cflags_speed='-O3'

  4295.         _cflags_size='-Os'

  4296.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  4297.         _type=icc

  4298.         _ident=$($_cc --version | head -n1)

  4299.         _depflags='-MMD'

  4300.         _cflags_speed='-O3'

  4301.         _cflags_size='-Os'

  4302.         _cflags_noopt='-O1'

  4303.         _flags_filter=icc_flags

  4304.     elif $_cc -v 2>&1 | grep -q xlc; then

  4305.         _type=xlc

  4306.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  4307.         _cflags_speed='-O5'

  4308.         _cflags_size='-O5 -qcompact'

  4309.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  4310.         test -d "$sysroot" || die "No valid sysroot specified."

  4311.         _type=armcc

  4312.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  4313.         armcc_conf="$PWD/armcc.conf"

  4314.         $_cc --arm_linux_configure                 \

  4315.              --arm_linux_config_file="$armcc_conf" \

  4316.              --configure_sysroot="$sysroot"        \

  4317.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  4318.              die "Error creating armcc configuration file."

  4319.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  4320.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  4321.         as_default="${cross_prefix}gcc"

  4322.         _depflags='-MMD'

  4323.         _cflags_speed='-O3'

  4324.         _cflags_size='-Os'

  4325.     elif $_cc -v 2>&1 | grep -q clang; then

  4326.         _type=clang

  4327.         _ident=$($_cc --version 2>/dev/null | head -n1)

  4328.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4329.         _cflags_speed='-O3'

  4330.         _cflags_size='-Oz'

  4331.     elif $_cc -V 2>&1 | grep -q Sun; then

  4332.         _type=suncc

  4333.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  4334.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  4335.         _DEPFLAGS='-xM1 -xc99'

  4336.         _ldflags='-std=c99'

  4337.         _cflags_speed='-O5'

  4338.         _cflags_size='-O5 -xspace'

  4339.         _flags_filter=suncc_flags

  4340.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  4341.         _type=pathscale

  4342.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4343.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4344.         _cflags_speed='-O2'

  4345.         _cflags_size='-Os'

  4346.         _flags_filter='filter_out -Wdisabled-optimization'

  4347.     elif $_cc -v 2>&1 | grep -q Open64; then

  4348.         _type=open64

  4349.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4350.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4351.         _cflags_speed='-O2'

  4352.         _cflags_size='-Os'

  4353.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  4354.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  4355.         _type=armasm

  4356.         _ident=$($_cc | head -n1)

  4357.         # 4509: "This form of conditional instruction is deprecated"

  4358.         _flags="-nologo -ignore 4509"

  4359.         _flags_filter=armasm_flags

  4360.     elif $_cc 2>&1 | grep -q Intel; then

  4361.         _type=icl

  4362.         _ident=$($_cc 2>&1 | head -n1)

  4363.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  4364.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  4365.         # versions (tested) as well.

  4366.         _cflags_speed="-O2"

  4367.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  4368.         if $_cc 2>&1 | grep -q Linker; then

  4369.             _ld_o='-out:$@'

  4370.         else

  4371.             _ld_o='-Fe$@'

  4372.         fi

  4373.         _cc_o='-Fo$@'

  4374.         _cc_e='-P'

  4375.         _flags_filter=icl_flags

  4376.         _ld_lib='lib%.a'

  4377.         _ld_path='-libpath:'

  4378.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  4379.         _flags='-nologo -Qdiag-error:4044,10157'

  4380.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  4381.         # with MSVC which enables it by default.

  4382.         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  4383.         disable stripping

  4384.     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then

  4385.         # lld can emulate multiple different linkers; in ms link.exe mode,

  4386.         # the -? parameter gives the help output which contains an identifyable

  4387.         # string, while it gives an error in other modes.

  4388.         _type=lld-link

  4389.         # The link.exe mode doesn't have a switch for getting the version,

  4390.         # but we can force it back to gnu mode and get the version from there.

  4391.         _ident=$($_cc -flavor gnu --version 2>/dev/null)

  4392.         _ld_o='-out:$@'

  4393.         _flags_filter=msvc_flags

  4394.         _ld_lib='lib%.a'

  4395.         _ld_path='-libpath:'

  4396.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  4397.         _type=msvc

  4398.         _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')

  4399.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  4400.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  4401.         _cflags_speed="-O2"

  4402.         _cflags_size="-O1"

  4403.         _cflags_noopt="-O1"

  4404.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4405.             _ld_o='-out:$@'

  4406.         else

  4407.             _ld_o='-Fe$@'

  4408.         fi

  4409.         _cc_o='-Fo$@'

  4410.         _cc_e='-P -Fi$@'

  4411.         _flags_filter=msvc_flags

  4412.         _ld_lib='lib%.a'

  4413.         _ld_path='-libpath:'

  4414.         _flags='-nologo'

  4415.         disable stripping

  4416.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4417.         _type=cparser

  4418.         _ident=$($_cc --version | head -n1)

  4419.         _depflags='-MMD'

  4420.         _cflags_speed='-O4'

  4421.         _cflags_size='-O2'

  4422.         _flags_filter=cparser_flags

  4423.     fi

  4424. 

  4425.     eval ${pfx}_type=\$_type

  4426.     eval ${pfx}_ident=\$_ident

  4427. }

  4428. 

  4429. set_ccvars(){

  4430.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4431.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4432.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4433. 

  4434.     if [ -n "$_depflags" ]; then

  4435.         eval ${1}_DEPFLAGS=\$_depflags

  4436.     else

  4437.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4438.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4439.         eval DEP${1}FLAGS=\$_flags

  4440.     fi

  4441. }

  4442. 

  4443. probe_cc cc "$cc" "true"

  4444. cflags_filter=$_flags_filter

  4445. cflags_speed=$_cflags_speed

  4446. cflags_size=$_cflags_size

  4447. cflags_noopt=$_cflags_noopt

  4448. add_cflags $_flags $_cflags

  4449. cc_ldflags=$_ldflags

  4450. set_ccvars CC

  4451. set_ccvars CXX

  4452. 

  4453. probe_cc hostcc "$host_cc"

  4454. host_cflags_filter=$_flags_filter

  4455. host_cflags_speed=$_cflags_speed

  4456. add_host_cflags  $_flags $_cflags

  4457. set_ccvars HOSTCC

  4458. 

  4459. test -n "$cc_type" && enable $cc_type ||

  4460.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4461. 

  4462. : ${as_default:=$cc}

  4463. : ${objcc_default:=$cc}

  4464. : ${dep_cc_default:=$cc}

  4465. : ${ld_default:=$cc}

  4466. : ${host_ld_default:=$host_cc}

  4467. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4468. 

  4469. probe_cc as "$as"

  4470. asflags_filter=$_flags_filter

  4471. add_asflags $_flags $_cflags

  4472. set_ccvars AS

  4473. 

  4474. probe_cc objcc "$objcc"

  4475. objcflags_filter=$_flags_filter

  4476. add_objcflags $_flags $_cflags

  4477. set_ccvars OBJC

  4478. 

  4479. probe_cc ld "$ld"

  4480. ldflags_filter=$_flags_filter

  4481. add_ldflags $_flags $_ldflags

  4482. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4483. LD_O=${_ld_o-$LD_O}

  4484. LD_LIB=${_ld_lib-$LD_LIB}

  4485. LD_PATH=${_ld_path-$LD_PATH}

  4486. 

  4487. probe_cc hostld "$host_ld"

  4488. host_ldflags_filter=$_flags_filter

  4489. add_host_ldflags $_flags $_ldflags

  4490. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4491. 

  4492. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4493.     probe_cc depcc "$dep_cc"

  4494.     CCDEP=${_DEPCMD:-$DEPCMD}

  4495.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4496.     DEPCCFLAGS=$_flags

  4497. fi

  4498. 

  4499. if $ar 2>&1 | grep -q Microsoft; then

  4500.     arflags="-nologo"

  4501.     ar_o='-out:$@'

  4502. elif $ar 2>&1 | grep -q "\[D\] "; then

  4503.     arflags="rcD"

  4504.     ar_o='$@'

  4505. else

  4506.     arflags="rc"

  4507.     ar_o='$@'

  4508. fi

  4509. 

  4510. add_cflags $extra_cflags

  4511. add_cxxflags $extra_cxxflags

  4512. add_objcflags $extra_objcflags

  4513. add_asflags $extra_cflags

  4514. 

  4515. if test -n "$sysroot"; then

  4516.     case "$cc_type" in

  4517.         gcc|llvm_gcc|clang)

  4518.             add_cppflags --sysroot="$sysroot"

  4519.             add_ldflags --sysroot="$sysroot"

  4520.         ;;

  4521.     esac

  4522. fi

  4523. 

  4524. if test "$cpu" = host; then

  4525.     enabled cross_compile &&

  4526.         die "--cpu=host makes no sense when cross-compiling."

  4527. 

  4528.     case "$cc_type" in

  4529.         gcc|llvm_gcc)

  4530.             check_native(){

  4531.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4532.                 sed -n "/cc1.*$1=/{

  4533.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4534.                             p

  4535.                             q

  4536.                         }" $TMPE

  4537.             }

  4538.             cpu=$(check_native -march || check_native -mcpu)

  4539.         ;;

  4540.         clang)

  4541.             check_native(){

  4542.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4543.                 sed -n "/cc1.*-target-cpu /{

  4544.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4545.                             p

  4546.                             q

  4547.                         }" $TMPE

  4548.             }

  4549.             cpu=$(check_native -march)

  4550.         ;;

  4551.     esac

  4552. 

  4553.     test "${cpu:-host}" = host &&

  4554.         die "--cpu=host not supported with compiler $cc"

  4555. fi

  4556. 

  4557. # Deal with common $arch aliases

  4558. case "$arch" in

  4559.     aarch64|arm64)

  4560.         arch="aarch64"

  4561.     ;;

  4562.     arm*|iPad*|iPhone*)

  4563.         arch="arm"

  4564.     ;;

  4565.     mips*|IP*)

  4566.         case "$arch" in

  4567.         *el)

  4568.             add_cppflags -EL

  4569.             add_ldflags -EL

  4570.         ;;

  4571.         *eb)

  4572.             add_cppflags -EB

  4573.             add_ldflags -EB

  4574.         ;;

  4575.         esac

  4576.         arch="mips"

  4577.     ;;

  4578.     parisc*|hppa*)

  4579.         arch="parisc"

  4580.     ;;

  4581.     "Power Macintosh"|ppc*|powerpc*)

  4582.         arch="ppc"

  4583.     ;;

  4584.     s390|s390x)

  4585.         arch="s390"

  4586.     ;;

  4587.     sh4|sh)

  4588.         arch="sh4"

  4589.     ;;

  4590.     sun4*|sparc*)

  4591.         arch="sparc"

  4592.     ;;

  4593.     tilegx|tile-gx)

  4594.         arch="tilegx"

  4595.     ;;

  4596.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4597.         arch="x86"

  4598.     ;;

  4599. esac

  4600. 

  4601. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4602. enable $arch

  4603. 

  4604. # Add processor-specific flags

  4605. if enabled aarch64; then

  4606. 

  4607.     case $cpu in

  4608.         armv*)

  4609.             cpuflags="-march=$cpu"

  4610.         ;;

  4611.         *)

  4612.             cpuflags="-mcpu=$cpu"

  4613.         ;;

  4614.     esac

  4615. 

  4616. elif enabled alpha; then

  4617. 

  4618.     cpuflags="-mcpu=$cpu"

  4619. 

  4620. elif enabled arm; then

  4621. 

  4622.     check_arm_arch() {

  4623.         test_cpp_condition stddef.h \

  4624.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4625.             $cpuflags

  4626.     }

  4627. 

  4628.     probe_arm_arch() {

  4629.         if   check_arm_arch 4;        then echo armv4

  4630.         elif check_arm_arch 4T;       then echo armv4t

  4631.         elif check_arm_arch 5;        then echo armv5

  4632.         elif check_arm_arch 5E;       then echo armv5e

  4633.         elif check_arm_arch 5T;       then echo armv5t

  4634.         elif check_arm_arch 5TE;      then echo armv5te

  4635.         elif check_arm_arch 5TEJ;     then echo armv5te

  4636.         elif check_arm_arch 6;        then echo armv6

  4637.         elif check_arm_arch 6J;       then echo armv6j

  4638.         elif check_arm_arch 6K;       then echo armv6k

  4639.         elif check_arm_arch 6Z;       then echo armv6z

  4640.         elif check_arm_arch 6KZ;      then echo armv6zk

  4641.         elif check_arm_arch 6ZK;      then echo armv6zk

  4642.         elif check_arm_arch 6T2;      then echo armv6t2

  4643.         elif check_arm_arch 7;        then echo armv7

  4644.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4645.         elif check_arm_arch 7S;       then echo armv7-a

  4646.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4647.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4648.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4649.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4650.         fi

  4651.     }

  4652. 

  4653.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4654. 

  4655.     case $cpu in

  4656.         armv*)

  4657.             cpuflags="-march=$cpu"

  4658.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4659.         ;;

  4660.         *)

  4661.             cpuflags="-mcpu=$cpu"

  4662.             case $cpu in

  4663.                 cortex-a*)                               subarch=armv7a  ;;

  4664.                 cortex-r*)                               subarch=armv7r  ;;

  4665.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4666.                 arm11*)                                  subarch=armv6   ;;

  4667.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4668.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4669.                 *)                             subarch=$(probe_arm_arch) ;;

  4670.             esac

  4671.         ;;

  4672.     esac

  4673. 

  4674.     case "$subarch" in

  4675.         armv5t*)    enable fast_clz                ;;

  4676.         armv[6-8]*)

  4677.             enable fast_clz

  4678.             disabled fast_unaligned || enable fast_unaligned

  4679.             ;;

  4680.     esac

  4681. 

  4682. elif enabled avr32; then

  4683. 

  4684.     case $cpu in

  4685.         ap7[02]0[0-2])

  4686.             subarch="avr32_ap"

  4687.             cpuflags="-mpart=$cpu"

  4688.         ;;

  4689.         ap)

  4690.             subarch="avr32_ap"

  4691.             cpuflags="-march=$cpu"

  4692.         ;;

  4693.         uc3[ab]*)

  4694.             subarch="avr32_uc"

  4695.             cpuflags="-mcpu=$cpu"

  4696.         ;;

  4697.         uc)

  4698.             subarch="avr32_uc"

  4699.             cpuflags="-march=$cpu"

  4700.         ;;

  4701.     esac

  4702. 

  4703. elif enabled bfin; then

  4704. 

  4705.     cpuflags="-mcpu=$cpu"

  4706. 

  4707. elif enabled mips; then

  4708. 

  4709.     cpuflags="-march=$cpu"

  4710. 

  4711.     if [ "$cpu" != "generic" ]; then

  4712.         disable mips32r2

  4713.         disable mips32r5

  4714.         disable mips64r2

  4715.         disable mips32r6

  4716.         disable mips64r6

  4717.         disable loongson2

  4718.         disable loongson3

  4719. 

  4720.         case $cpu in

  4721.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4722.                 enable mips32r2

  4723.                 disable msa

  4724.             ;;

  4725.             p5600|i6400|p6600)

  4726.                 disable mipsdsp

  4727.                 disable mipsdspr2

  4728.             ;;

  4729.             loongson*)

  4730.                 enable loongson2

  4731.                 enable loongson3

  4732.                 enable local_aligned

  4733.                 enable simd_align_16

  4734.                 enable fast_64bit

  4735.                 enable fast_clz

  4736.                 enable fast_cmov

  4737.                 enable fast_unaligned

  4738.                 disable aligned_stack

  4739.                 disable mipsfpu

  4740.                 disable mipsdsp

  4741.                 disable mipsdspr2

  4742.                 case $cpu in

  4743.                     loongson3*)

  4744.                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4745.                     ;;

  4746.                     loongson2e)

  4747.                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4748.                     ;;

  4749.                     loongson2f)

  4750.                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4751.                     ;;

  4752.                 esac

  4753.             ;;

  4754.             *)

  4755.                 # Unknown CPU. Disable everything.

  4756.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4757.                 disable mipsfpu

  4758.                 disable mipsdsp

  4759.                 disable mipsdspr2

  4760.                 disable msa

  4761.                 disable mmi

  4762.             ;;

  4763.         esac

  4764. 

  4765.         case $cpu in

  4766.             24kc)

  4767.                 disable mipsfpu

  4768.                 disable mipsdsp

  4769.                 disable mipsdspr2

  4770.             ;;

  4771.             24kf*)

  4772.                 disable mipsdsp

  4773.                 disable mipsdspr2

  4774.             ;;

  4775.             24kec|34kc|1004kc)

  4776.                 disable mipsfpu

  4777.                 disable mipsdspr2

  4778.             ;;

  4779.             24kef*|34kf*|1004kf*)

  4780.                 disable mipsdspr2

  4781.             ;;

  4782.             74kc)

  4783.                 disable mipsfpu

  4784.             ;;

  4785.             p5600)

  4786.                 enable mips32r5

  4787.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4788.             ;;

  4789.             i6400)

  4790.                 enable mips64r6

  4791.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4792.             ;;

  4793.             p6600)

  4794.                 enable mips64r6

  4795.                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4796.             ;;

  4797.         esac

  4798.     else

  4799.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4800.         warn 'generic cpu selected'

  4801.     fi

  4802. 

  4803. elif enabled ppc; then

  4804. 

  4805.     disable ldbrx

  4806. 

  4807.     case $(tolower $cpu) in

  4808.         601|ppc601|powerpc601)

  4809.             cpuflags="-mcpu=601"

  4810.             disable altivec

  4811.         ;;

  4812.         603*|ppc603*|powerpc603*)

  4813.             cpuflags="-mcpu=603"

  4814.             disable altivec

  4815.         ;;

  4816.         604*|ppc604*|powerpc604*)

  4817.             cpuflags="-mcpu=604"

  4818.             disable altivec

  4819.         ;;

  4820.         g3|75*|ppc75*|powerpc75*)

  4821.             cpuflags="-mcpu=750"

  4822.             disable altivec

  4823.         ;;

  4824.         g4|745*|ppc745*|powerpc745*)

  4825.             cpuflags="-mcpu=7450"

  4826.             disable vsx

  4827.         ;;

  4828.         74*|ppc74*|powerpc74*)

  4829.             cpuflags="-mcpu=7400"

  4830.             disable vsx

  4831.         ;;

  4832.         g5|970|ppc970|powerpc970)

  4833.             cpuflags="-mcpu=970"

  4834.             disable vsx

  4835.         ;;

  4836.         power[3-6]*)

  4837.             cpuflags="-mcpu=$cpu"

  4838.             disable vsx

  4839.         ;;

  4840.         power[7-8]*)

  4841.             cpuflags="-mcpu=$cpu"

  4842.         ;;

  4843.         cell)

  4844.             cpuflags="-mcpu=cell"

  4845.             enable ldbrx

  4846.             disable vsx

  4847.         ;;

  4848.         e500mc)

  4849.             cpuflags="-mcpu=e500mc"

  4850.             disable altivec

  4851.         ;;

  4852.         e500v2)

  4853.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4854.             disable altivec

  4855.             disable dcbzl

  4856.         ;;

  4857.         e500)

  4858.             cpuflags="-mcpu=8540 -mhard-float"

  4859.             disable altivec

  4860.             disable dcbzl

  4861.         ;;

  4862.     esac

  4863. 

  4864. elif enabled sparc; then

  4865. 

  4866.     case $cpu in

  4867.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4868.             cpuflags="-mcpu=$cpu"

  4869.         ;;

  4870.         ultrasparc*|niagara[234])

  4871.             cpuflags="-mcpu=$cpu"

  4872.         ;;

  4873.     esac

  4874. 

  4875. elif enabled x86; then

  4876. 

  4877.     case $cpu in

  4878.         i[345]86|pentium)

  4879.             cpuflags="-march=$cpu"

  4880.             disable i686

  4881.             disable mmx

  4882.         ;;

  4883.         # targets that do NOT support nopl and conditional mov (cmov)

  4884.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4885.             cpuflags="-march=$cpu"

  4886.             disable i686

  4887.         ;;

  4888.         # targets that do support nopl and conditional mov (cmov)

  4889.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4890.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\

  4891.         |amdfam10|barcelona|b[dt]ver*|znver*)

  4892.             cpuflags="-march=$cpu"

  4893.             enable i686

  4894.             enable fast_cmov

  4895.         ;;

  4896.         # targets that do support conditional mov but on which it's slow

  4897.         pentium4|pentium4m|prescott|nocona)

  4898.             cpuflags="-march=$cpu"

  4899.             enable i686

  4900.             disable fast_cmov

  4901.         ;;

  4902.     esac

  4903. 

  4904. fi

  4905. 

  4906. if [ "$cpu" != generic ]; then

  4907.     add_cflags  $cpuflags

  4908.     add_asflags $cpuflags

  4909.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4910. fi

  4911. 

  4912. # compiler sanity check

  4913. test_exec <<EOF

  4914. int main(void){ return 0; }

  4915. EOF

  4916. if test "$?" != 0; then

  4917.     echo "$cc is unable to create an executable file."

  4918.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4919.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4920.         echo "Only do this if you know what cross compiling means."

  4921.     fi

  4922.     die "C compiler test failed."

  4923. fi

  4924. 

  4925. add_cppflags -D_ISOC99_SOURCE

  4926. add_cxxflags -D__STDC_CONSTANT_MACROS

  4927. check_cxxflags -std=c++11 || check_cxxflags -std=c++0x

  4928. 

  4929. # some compilers silently accept -std=c11, so we also need to check that the

  4930. # version macro is defined properly

  4931. test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&

  4932.     add_cflags -std=c11 ||

  4933.     check_cflags -std=c99

  4934. 

  4935. check_cppflags -D_FILE_OFFSET_BITS=64

  4936. check_cppflags -D_LARGEFILE_SOURCE

  4937. 

  4938. add_host_cppflags -D_ISOC99_SOURCE

  4939. check_host_cflags -std=c99

  4940. check_host_cflags -Wall

  4941. check_host_cflags $host_cflags_speed

  4942. 

  4943. check_64bit(){

  4944.     arch32=$1

  4945.     arch64=$2

  4946.     expr=${3:-'sizeof(void *) > 4'}

  4947.     test_code cc "" "int test[2*($expr) - 1]" &&

  4948.         subarch=$arch64 || subarch=$arch32

  4949.     enable $subarch

  4950. }

  4951. 

  4952. case "$arch" in

  4953.     aarch64|alpha|ia64)

  4954.         enabled shared && enable_weak pic

  4955.     ;;

  4956.     mips)

  4957.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4958.         enabled shared && enable_weak pic

  4959.     ;;

  4960.     parisc)

  4961.         check_64bit parisc parisc64

  4962.         enabled shared && enable_weak pic

  4963.     ;;

  4964.     ppc)

  4965.         check_64bit ppc ppc64

  4966.         enabled shared && enable_weak pic

  4967.     ;;

  4968.     s390)

  4969.         check_64bit s390 s390x

  4970.         enabled shared && enable_weak pic

  4971.     ;;

  4972.     sparc)

  4973.         check_64bit sparc sparc64

  4974.         enabled shared && enable_weak pic

  4975.     ;;

  4976.     x86)

  4977.         check_64bit x86_32 x86_64

  4978.         # Treat x32 as x64 for now. Note it also needs pic if shared

  4979.         test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4980.             subarch=x86_64 && enable x86_64 && disable x86_32

  4981.         if enabled x86_64; then

  4982.             enabled shared && enable_weak pic

  4983.             objformat=elf64

  4984.         fi

  4985.     ;;

  4986. esac

  4987. 

  4988. # OS specific

  4989. case $target_os in

  4990.     aix)

  4991.         SHFLAGS=-shared

  4992.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4993.         enabled shared && add_ldflags -Wl,-brtl

  4994.         arflags='-Xany -r -c'

  4995.         ;;

  4996.     android)

  4997.         disable symver

  4998.         enable section_data_rel_ro

  4999.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  5000.         SLIB_INSTALL_LINKS=

  5001.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  5002.         ;;

  5003.     haiku)

  5004.         prefix_default="/boot/common"

  5005.         network_extralibs="-lnetwork"

  5006.         host_extralibs=

  5007.         ;;

  5008.     sunos)

  5009.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  5010.         enabled x86 && append SHFLAGS -mimpure-text

  5011.         network_extralibs="-lsocket -lnsl"

  5012.         add_cppflags -D__EXTENSIONS__

  5013.         # When using suncc to build, the Solaris linker will mark

  5014.         # an executable with each instruction set encountered by

  5015.         # the Solaris assembler.  As our libraries contain their own

  5016.         # guards for processor-specific code, instead suppress

  5017.         # generation of the HWCAPS ELF section on Solaris x86 only.

  5018.         enabled_all suncc x86 &&

  5019.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  5020.             add_ldflags -Wl,-M,mapfile

  5021.         nm_default='nm -P -g'

  5022.         version_script='-M'

  5023.         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'

  5024.         ;;

  5025.     netbsd)

  5026.         disable symver

  5027.         oss_indev_extralibs="-lossaudio"

  5028.         oss_outdev_extralibs="-lossaudio"

  5029.         enabled gcc || check_ldflags -Wl,-zmuldefs

  5030.         ;;

  5031.     openbsd|bitrig)

  5032.         disable symver

  5033.         SHFLAGS='-shared'

  5034.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  5035.         SLIB_INSTALL_LINKS=

  5036.         oss_indev_extralibs="-lossaudio"

  5037.         oss_outdev_extralibs="-lossaudio"

  5038.         ;;

  5039.     dragonfly)

  5040.         disable symver

  5041.         ;;

  5042.     freebsd)

  5043.         ;;

  5044.     bsd/os)

  5045.         add_extralibs -lpoll -lgnugetopt

  5046.         strip="strip -d"

  5047.         ;;

  5048.     darwin)

  5049.         enabled ppc && add_asflags -force_cpusubtype_ALL

  5050.         install_name_dir_default='$(SHLIBDIR)'

  5051.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  5052.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  5053.         strip="${strip} -x"

  5054.         add_ldflags -Wl,-dynamic,-search_paths_first

  5055.         check_cflags -Werror=partial-availability

  5056.         SLIBSUF=".dylib"

  5057.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  5058.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  5059.         enabled x86_64 && objformat="macho64" || objformat="macho32"

  5060.         enabled_any pic shared x86_64 ||

  5061.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  5062.         check_header dispatch/dispatch.h &&

  5063.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  5064.         if test -n "$sysroot"; then

  5065.             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot

  5066.             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot

  5067.         fi

  5068.         version_script='-exported_symbols_list'

  5069.         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'

  5070.         ;;

  5071.     msys*)

  5072.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  5073.         ;;

  5074.     mingw32*|mingw64*)

  5075.         target_os=mingw32

  5076.         LIBTARGET=i386

  5077.         if enabled x86_64; then

  5078.             LIBTARGET="i386:x86-64"

  5079.         elif enabled arm; then

  5080.             LIBTARGET="arm"

  5081.         elif enabled aarch64; then

  5082.             LIBTARGET="arm64"

  5083.         fi

  5084.         if enabled shared; then

  5085.             # Cannot build both shared and static libs when using dllimport.

  5086.             disable static

  5087.         fi

  5088.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5089.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  5090.         shlibdir_default="$bindir_default"

  5091.         SLIBPREF=""

  5092.         SLIBSUF=".dll"

  5093.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5094.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5095.         if test_cmd lib.exe -list; then

  5096.             SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5097.             if enabled x86_64; then

  5098.                 LIBTARGET=x64

  5099.             fi

  5100.         else

  5101.             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  5102.         fi

  5103.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5104.         SLIB_INSTALL_LINKS=

  5105.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5106.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5107.         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)'

  5108.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'

  5109.         enabled x86_64 && objformat="win64" || objformat="win32"

  5110.         dlltool="${cross_prefix}dlltool"

  5111.         ranlib=:

  5112.         enable dos_paths

  5113.         check_ldflags -Wl,--nxcompat,--dynamicbase

  5114.         # Lets work around some stupidity in binutils.

  5115.         # ld will strip relocations from executables even though we need them

  5116.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  5117.         # however ld then forgets what the entry point should be (oops) so we

  5118.         # have to manually (re)set it.

  5119.         if enabled x86_32; then

  5120.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  5121.         elif enabled x86_64; then

  5122.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  5123.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  5124.             # Set image base >4GB for extra entropy with HEASLR

  5125.             add_ldexeflags -Wl,--image-base,0x140000000

  5126.             append SHFLAGS -Wl,--image-base,0x180000000

  5127.         fi

  5128.         ;;

  5129.     win32|win64)

  5130.         disable symver

  5131.         if enabled shared; then

  5132.             # Link to the import library instead of the normal static library

  5133.             # for shared libs.

  5134.             LD_LIB='%.lib'

  5135.             # Cannot build both shared and static libs with MSVC or icl.

  5136.             disable static

  5137.         fi

  5138.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  5139.         shlibdir_default="$bindir_default"

  5140.         SLIBPREF=""

  5141.         SLIBSUF=".dll"

  5142.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5143.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5144.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5145.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5146.         SLIB_INSTALL_LINKS=

  5147.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5148.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5149.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5150.         enabled x86_64 && objformat="win64" || objformat="win32"

  5151.         ranlib=:

  5152.         enable dos_paths

  5153.         ;;

  5154.     cygwin*)

  5155.         target_os=cygwin

  5156.         shlibdir_default="$bindir_default"

  5157.         SLIBPREF="cyg"

  5158.         SLIBSUF=".dll"

  5159.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5160.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5161.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5162.         SLIB_INSTALL_LINKS=

  5163.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  5164.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  5165.         enabled x86_64 && objformat="win64" || objformat="win32"

  5166.         enable dos_paths

  5167.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5168.         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5169.         ;;

  5170.     *-dos|freedos|opendos)

  5171.         network_extralibs="-lsocket"

  5172.         objformat="coff"

  5173.         enable dos_paths

  5174.         add_cppflags -U__STRICT_ANSI__

  5175.         ;;

  5176.     linux)

  5177.         enable section_data_rel_ro

  5178.         enabled_any arm aarch64 && enable_weak linux_perf

  5179.         ;;

  5180.     irix*)

  5181.         target_os=irix

  5182.         ranlib="echo ignoring ranlib"

  5183.         ;;

  5184.     os/2*)

  5185.         strip="lxlite -CS"

  5186.         striptype=""

  5187.         objformat="aout"

  5188.         add_cppflags -D_GNU_SOURCE

  5189.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap

  5190.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  5191.         LIBSUF="_s.a"

  5192.         SLIBPREF=""

  5193.         SLIBSUF=".dll"

  5194.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5195.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  5196.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  5197.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  5198.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  5199.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  5200.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  5201.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  5202.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  5203.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5204.         SLIB_INSTALL_LINKS=

  5205.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  5206.         enable dos_paths

  5207.         enable_weak os2threads

  5208.         ;;

  5209.     gnu/kfreebsd)

  5210.         add_cppflags -D_BSD_SOURCE

  5211.         ;;

  5212.     gnu)

  5213.         ;;

  5214.     qnx)

  5215.         add_cppflags -D_QNX_SOURCE

  5216.         network_extralibs="-lsocket"

  5217.         ;;

  5218.     symbian)

  5219.         SLIBSUF=".dll"

  5220.         enable dos_paths

  5221.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  5222.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  5223.         add_ldflags -Wl,--target1-abs,--no-undefined \

  5224.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  5225.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  5226.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  5227.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  5228.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  5229.         ;;

  5230.     minix)

  5231.         ;;

  5232.     none)

  5233.         ;;

  5234.     *)

  5235.         die "Unknown OS '$target_os'."

  5236.         ;;

  5237. esac

  5238. 

  5239. # test if creating links works

  5240. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  5241. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  5242. mkdir "$link_dest"

  5243. $ln_s "$link_dest" "$link_name"

  5244. touch "$link_dest/test_file"

  5245. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  5246.     # create link to source path

  5247.     [ -e src ] && rm src

  5248.     $ln_s "$source_path" src

  5249.     source_link=src

  5250. else

  5251.     # creating directory links doesn't work

  5252.     # fall back to using the full source path

  5253.     source_link="$source_path"

  5254. fi

  5255. # cleanup

  5256. rm -r "$link_dest"

  5257. rm -r "$link_name"

  5258. 

  5259. # determine libc flavour

  5260. 

  5261. probe_libc(){

  5262.     pfx=$1

  5263.     pfx_no_=${pfx%_}

  5264.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  5265.     if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  5266.         eval ${pfx}libc_type=uclibc

  5267.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5268.     elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  5269.         eval ${pfx}libc_type=glibc

  5270.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5271.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  5272.     elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  5273.         eval ${pfx}libc_type=newlib

  5274.         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600

  5275.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  5276.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  5277.         eval ${pfx}libc_type=mingw64

  5278.         if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  5279.             add_compat msvcrt/snprintf.o

  5280.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  5281.         fi

  5282.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5283.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5284.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5285.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5286.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5287.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  5288.          test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  5289.         eval ${pfx}libc_type=mingw32

  5290.         test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  5291.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  5292.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  5293.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5294.         test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&

  5295.             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700

  5296.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5297.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5298.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5299.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5300.     elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  5301.         eval ${pfx}libc_type=msvcrt

  5302.         if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  5303.             if [ "$pfx" = host_ ]; then

  5304.                 add_host_cppflags -Dsnprintf=_snprintf

  5305.             else

  5306.                 add_compat strtod.o strtod=avpriv_strtod

  5307.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  5308.                                              _snprintf=avpriv_snprintf  \

  5309.                                              vsnprintf=avpriv_vsnprintf

  5310.             fi

  5311.         fi

  5312.         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS

  5313.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  5314.         # 0x601 by default unless something else is set by the user.

  5315.         # This can easily lead to us detecting functions only present

  5316.         # in such new versions and producing binaries requiring windows 7.0.

  5317.         # Therefore explicitly set the default to Vista unless the user has

  5318.         # set something else on the command line.

  5319.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  5320.         # family. For these cases, configure is free to use any functions

  5321.         # found in the SDK headers by default. (Alternatively, we could force

  5322.         # _WIN32_WINNT to 0x0602 in that case.)

  5323.         test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  5324.             { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }

  5325. #ifdef WINAPI_FAMILY

  5326. #include <winapifamily.h>

  5327. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  5328. #error not desktop

  5329. #endif

  5330. #endif

  5331. EOF

  5332.         if [ "$pfx" = "" ]; then

  5333.             check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5334.             check_func strtoull || add_cflags -Dstrtoull=_strtoui64

  5335.         fi

  5336.     elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  5337.         eval ${pfx}libc_type=klibc

  5338.     elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  5339.         eval ${pfx}libc_type=bionic

  5340.     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  5341.         eval ${pfx}libc_type=solaris

  5342.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  5343.     fi

  5344.     test_${pfx}cc <<EOF

  5345. #include <time.h>

  5346. void *v = localtime_r;

  5347. EOF

  5348. 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

  5349. #include <time.h>

  5350. void *v = localtime_r;

  5351. EOF

  5352. 

  5353.     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}

  5354. }

  5355. 

  5356. probe_libc

  5357. probe_libc host_

  5358. 

  5359. # hacks for compiler/libc/os combinations

  5360. 

  5361. case $libc_type in

  5362.     bionic)

  5363.         add_compat strtod.o strtod=avpriv_strtod

  5364.         ;;

  5365. esac

  5366. 

  5367. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  5368.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  5369. 

  5370. test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  5371. 

  5372. set_default libdir

  5373. : ${shlibdir_default:="$libdir"}

  5374. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  5375. 

  5376. set_default $PATHS_LIST

  5377. set_default nm

  5378. 

  5379. disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer

  5380. 

  5381. enable_weak_pic() {

  5382.     disabled pic && return

  5383.     enable pic

  5384.     add_cppflags -DPIC

  5385.     case "$target_os" in

  5386.     mingw*|cygwin*|win*)

  5387.         ;;

  5388.     *)

  5389.         add_cflags -fPIC

  5390.         add_asflags -fPIC

  5391.         ;;

  5392.     esac

  5393. }

  5394. 

  5395. enabled pic && enable_weak_pic

  5396. 

  5397. test_cc <<EOF || die "Symbol mangling check failed."

  5398. int ff_extern;

  5399. EOF

  5400. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5401. extern_prefix=${sym%%ff_extern*}

  5402. 

  5403. ! disabled inline_asm && check_inline_asm inline_asm '"" ::'

  5404. 

  5405. for restrict_keyword in restrict __restrict__ __restrict ""; do

  5406.     test_code cc "" "char * $restrict_keyword p" && break

  5407. done

  5408. 

  5409. check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'

  5410. 

  5411. # The global variable ensures the bits appear unchanged in the object file.

  5412. test_cc <<EOF || die "endian test failed"

  5413. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5414. EOF

  5415. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5416. 

  5417. check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"

  5418. 

  5419. if ! enabled ppc64 || enabled bigendian; then

  5420.     disable vsx

  5421. fi

  5422. 

  5423. check_gas() {

  5424.     log "check_gas using '$as' as AS"

  5425.     # :vararg is used on aarch64, arm and ppc altivec

  5426.     test_as <<EOF || return 1

  5427. .macro m n, y:vararg=0

  5428. \n: .int \y

  5429. .endm

  5430. m x

  5431. EOF

  5432.     # .altmacro is only used in arm asm

  5433.     ! enabled arm || check_as gnu_as ".altmacro"

  5434. }

  5435. 

  5436. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5437.     nogas=:

  5438.     enabled_any arm aarch64 && nogas=die

  5439.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5440.     as_noop=-v

  5441. 

  5442.     case $as_type in

  5443.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5444.         gcc)  gaspp_as_type=gas ;;

  5445.         *)    gaspp_as_type=$as_type ;;

  5446.     esac

  5447. 

  5448.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5449. 

  5450.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5451.     test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5452.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5453. 

  5454.     if ! check_gas ; then

  5455.         as=${gas:=$as}

  5456.         check_gas || \

  5457.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5458.     fi

  5459. 

  5460.     check_as as_func ".func test

  5461.                       .endfunc"

  5462. fi

  5463. 

  5464. check_inline_asm inline_asm_labels '"1:\n"'

  5465. 

  5466. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5467. 

  5468. if enabled aarch64; then

  5469.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5470.     # internal assembler in clang 3.3 does not support this instruction

  5471.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5472.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5473. 

  5474.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5475. 

  5476. elif enabled alpha; then

  5477. 

  5478.     check_cflags -mieee

  5479. 

  5480. elif enabled arm; then

  5481. 

  5482.     enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"

  5483.     test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb

  5484. float func(float a, float b){ return a+b; }

  5485. EOF

  5486.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5487. 

  5488.     if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then

  5489.         :

  5490.     elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5491.         :

  5492.     elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5493.         case "${cross_prefix:-$cc}" in

  5494.             *hardfloat*) enable vfp_args; fpabi=vfp ;;

  5495.             *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;

  5496. __asm__ (".eabi_attribute 28, 1");

  5497. int main(void) { return 0; }

  5498. EOF

  5499.         esac

  5500.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5501.     fi

  5502. 

  5503.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5504.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5505.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5506.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5507.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5508.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5509.     enabled setend  && check_insn setend  'setend be'

  5510. 

  5511.     [ $target_os = linux ] || [ $target_os = android ] ||

  5512.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5513.             $ARCH_EXT_LIST_ARM

  5514. 

  5515.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5516. 

  5517.     check_as as_arch_directive ".arch armv7-a"

  5518.     check_as as_fpu_directive  ".fpu neon"

  5519. 

  5520.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5521.     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&

  5522.         check_as as_object_arch ".object_arch armv4"

  5523. 

  5524.     # MS armasm fails to assemble our PIC constructs

  5525.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5526. 

  5527. elif enabled mips; then

  5528. 

  5529.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5530.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5531.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5532. 

  5533.     # Enable minimum ISA based on selected options

  5534.     if enabled mips64; then

  5535.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5536.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5537.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5538.     else

  5539.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5540.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5541.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5542.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5543.     fi

  5544. 

  5545.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5546.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5547.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa

  5548.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5549.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5550. 

  5551.     if enabled bigendian && enabled msa; then

  5552.         disable msa

  5553.     fi

  5554. 

  5555. elif enabled parisc; then

  5556. 

  5557.     if enabled gcc; then

  5558.         case $($cc -dumpversion) in

  5559.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5560.         esac

  5561.     fi

  5562. 

  5563. elif enabled ppc; then

  5564. 

  5565.     enable local_aligned

  5566. 

  5567.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5568.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5569.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5570.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5571. 

  5572.     if enabled altivec; then

  5573.         check_cflags -maltivec -mabi=altivec

  5574. 

  5575.         # check if our compiler supports Motorola AltiVec C API

  5576.         check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };

  5577.                                     vector signed int v2 = (vector signed int) { 1 };

  5578.                                     v1 = vec_add(v1, v2);"

  5579. 

  5580.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5581.     fi

  5582. 

  5583.     if enabled vsx; then

  5584.         check_cflags -mvsx &&

  5585.         check_cc vsx altivec.h "int v[4] = { 0 };

  5586.                                 vector signed int v1 = vec_vsx_ld(0, v);"

  5587.     fi

  5588. 

  5589.     if enabled power8; then

  5590.         check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"

  5591.     fi

  5592. 

  5593. elif enabled x86; then

  5594. 

  5595.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5596.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5597. 

  5598.     enable local_aligned

  5599. 

  5600.     # check whether EBP is available on x86

  5601.     # As 'i' is stored on the stack, this program will crash

  5602.     # if the base pointer is used to access it because the

  5603.     # base pointer is cleared in the inline assembly code.

  5604.     check_exec_crash <<EOF && enable ebp_available

  5605. volatile int i=0;

  5606. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5607. return i;

  5608. EOF

  5609. 

  5610.     # check whether EBX is available on x86

  5611.     check_inline_asm ebx_available '""::"b"(0)' &&

  5612.         check_inline_asm ebx_available '"":::"%ebx"'

  5613. 

  5614.     # check whether xmm clobbers are supported

  5615.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5616. 

  5617.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5618.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5619. 

  5620.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5621.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5622.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5623. 

  5624.     probe_x86asm(){

  5625.         x86asmexe_probe=$1

  5626.         if test_cmd $x86asmexe_probe -v; then

  5627.             x86asmexe=$x86asmexe_probe

  5628.             x86asm_type=nasm

  5629.             x86asm_debug="-g -F dwarf"

  5630.             X86ASMDEP=

  5631.             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'

  5632.         elif test_cmd $x86asmexe_probe --version; then

  5633.             x86asmexe=$x86asmexe_probe

  5634.             x86asm_type=yasm

  5635.             x86asm_debug="-g dwarf2"

  5636.             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'

  5637.             X86ASM_DEPFLAGS=

  5638.         fi

  5639.         test_x86asm "movbe ecx, [5]" && enable x86asm

  5640.     }

  5641. 

  5642.     if ! disabled_any asm mmx x86asm; then

  5643.         disable x86asm

  5644.         for program in $x86asmexe nasm yasm; do

  5645.             probe_x86asm $program && break

  5646.         done

  5647.         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."

  5648.         X86ASMFLAGS="-f $objformat"

  5649.         enabled pic               && append X86ASMFLAGS "-DPIC"

  5650.         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"

  5651.         case "$objformat" in

  5652.             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;

  5653.         esac

  5654. 

  5655.         test_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0"    || disable avx512_external

  5656.         test_x86asm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5657.         test_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5658.         test_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5659.         test_x86asm "CPU amdnop" || disable cpunop

  5660.     fi

  5661. 

  5662.     case "$cpu" in

  5663.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5664.             disable fast_clz

  5665.         ;;

  5666.     esac

  5667. 

  5668. fi

  5669. 

  5670. check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"

  5671. 

  5672. check_ldflags -Wl,--as-needed

  5673. check_ldflags -Wl,-z,noexecstack

  5674. 

  5675. if ! disabled network; then

  5676.     check_func getaddrinfo $network_extralibs

  5677.     check_func inet_aton $network_extralibs

  5678. 

  5679.     check_type netdb.h "struct addrinfo"

  5680.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5681.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5682.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5683.     check_type poll.h "struct pollfd"

  5684.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5685.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5686.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5687.     check_type netinet/in.h "struct sockaddr_in6"

  5688.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5689.     check_type "sys/types.h sys/socket.h" socklen_t

  5690. 

  5691.     # Prefer arpa/inet.h over winsock2

  5692.     if check_header arpa/inet.h ; then

  5693.         check_func closesocket

  5694.     elif check_header winsock2.h ; then

  5695.         check_func_headers winsock2.h closesocket -lws2 &&

  5696.             network_extralibs="-lws2" ||

  5697.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5698.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5699.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5700. 

  5701.         check_type ws2tcpip.h socklen_t

  5702.         check_type ws2tcpip.h "struct addrinfo"

  5703.         check_type ws2tcpip.h "struct group_source_req"

  5704.         check_type ws2tcpip.h "struct ip_mreq_source"

  5705.         check_type ws2tcpip.h "struct ipv6_mreq"

  5706.         check_type winsock2.h "struct pollfd"

  5707.         check_struct winsock2.h "struct sockaddr" sa_len

  5708.         check_type ws2tcpip.h "struct sockaddr_in6"

  5709.         check_type ws2tcpip.h "struct sockaddr_storage"

  5710.     else

  5711.         disable network

  5712.     fi

  5713. fi

  5714. 

  5715. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5716. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5717. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5718. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5719. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5720. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5721. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  5722. 

  5723. case "$custom_allocator" in

  5724.     jemalloc)

  5725.         # jemalloc by default does not use a prefix

  5726.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5727.     ;;

  5728.     tcmalloc)

  5729.         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc

  5730.         malloc_prefix=tc_

  5731.     ;;

  5732. esac

  5733. 

  5734. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5735. check_func  ${malloc_prefix}memalign            && enable memalign

  5736. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5737. 

  5738. check_func  access

  5739. check_func_headers stdlib.h arc4random

  5740. check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt

  5741. check_func  fcntl

  5742. check_func  fork

  5743. check_func  gethrtime

  5744. check_func  getopt

  5745. check_func  getrusage

  5746. check_func  gettimeofday

  5747. check_func  isatty

  5748. check_func  mkstemp

  5749. check_func  mmap

  5750. check_func  mprotect

  5751. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5752. check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt

  5753. check_func  sched_getaffinity

  5754. check_func  setrlimit

  5755. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5756. check_func  strerror_r

  5757. check_func  sysconf

  5758. check_func  sysctl

  5759. check_func  usleep

  5760. 

  5761. check_func_headers conio.h kbhit

  5762. check_func_headers io.h setmode

  5763. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5764. check_func_headers mach/mach_time.h mach_absolute_time

  5765. check_func_headers stdlib.h getenv

  5766. check_func_headers sys/stat.h lstat

  5767. 

  5768. check_func_headers windows.h GetProcessAffinityMask

  5769. check_func_headers windows.h GetProcessTimes

  5770. check_func_headers windows.h GetSystemTimeAsFileTime

  5771. check_func_headers windows.h LoadLibrary

  5772. check_func_headers windows.h MapViewOfFile

  5773. check_func_headers windows.h PeekNamedPipe

  5774. check_func_headers windows.h SetConsoleTextAttribute

  5775. check_func_headers windows.h SetConsoleCtrlHandler

  5776. check_func_headers windows.h Sleep

  5777. check_func_headers windows.h VirtualAlloc

  5778. check_func_headers glob.h glob

  5779. enabled xlib &&

  5780.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5781. 

  5782. check_header direct.h

  5783. check_header dirent.h

  5784. check_header dxgidebug.h

  5785. check_header dxva.h

  5786. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5787. check_header io.h

  5788. check_header libcrystalhd/libcrystalhd_if.h

  5789. check_header malloc.h

  5790. check_header net/udplite.h

  5791. check_header poll.h

  5792. check_header sys/param.h

  5793. check_header sys/resource.h

  5794. check_header sys/select.h

  5795. check_header sys/time.h

  5796. check_header sys/un.h

  5797. check_header termios.h

  5798. check_header unistd.h

  5799. check_header valgrind/valgrind.h

  5800. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5801. check_header windows.h

  5802. check_header X11/extensions/XvMClib.h

  5803. check_header asm/types.h

  5804. 

  5805. # it seems there are versions of clang in some distros that try to use the

  5806. # gcc headers, which explodes for stdatomic

  5807. # so we also check that atomics actually work here

  5808. check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"

  5809. 

  5810. check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32

  5811. check_lib ole32    "windows.h"            CoTaskMemFree        -lole32

  5812. check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32

  5813. check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom       -ladvapi32

  5814. check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

  5815. 

  5816. check_lib android android/native_window.h ANativeWindow_acquire -landroid

  5817. check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk

  5818. check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk

  5819. 

  5820. enabled appkit       && check_apple_framework AppKit

  5821. enabled audiotoolbox && check_apple_framework AudioToolbox

  5822. enabled avfoundation && check_apple_framework AVFoundation

  5823. enabled coreimage    && check_apple_framework CoreImage

  5824. enabled videotoolbox && check_apple_framework VideoToolbox

  5825. 

  5826. check_apple_framework CoreFoundation

  5827. check_apple_framework CoreMedia

  5828. check_apple_framework CoreVideo

  5829. 

  5830. enabled avfoundation && {

  5831.     disable coregraphics applicationservices

  5832.     check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||

  5833.     check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }

  5834. 

  5835. enabled videotoolbox && {

  5836.     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"

  5837.     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"

  5838. }

  5839. 

  5840. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5841. 

  5842. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5843. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5844. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5845. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5846. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5847. 

  5848. check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"

  5849. check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"

  5850. check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth

  5851. check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"

  5852. check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"

  5853. check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  5854. check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  5855. check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"

  5856. check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"

  5857. check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"

  5858. 

  5859. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5860. 

  5861. if ! disabled ffnvcodec; then

  5862.     check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \

  5863.         "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""

  5864. fi

  5865. 

  5866. check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"

  5867. 

  5868. if ! disabled w32threads && ! enabled pthreads; then

  5869.     check_func_headers "windows.h process.h" _beginthreadex &&

  5870.         check_type "windows.h" CONDITION_VARIABLE &&

  5871.         enable w32threads || disable w32threads

  5872.     if ! enabled w32threads && enabled winrt; then

  5873.         check_func_headers "windows.h" CreateThread &&

  5874.             enable w32threads || disable w32threads

  5875.     fi

  5876. fi

  5877. 

  5878. # check for some common methods of building with pthread support

  5879. # do this before the optional library checks as some of them require pthreads

  5880. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5881.     if check_lib pthreads pthread.h pthread_join   -pthread &&

  5882.        check_lib pthreads pthread.h pthread_create -pthread; then

  5883.         add_cflags -pthread

  5884.     elif check_lib pthreads pthread.h pthread_join   -pthreads &&

  5885.          check_lib pthreads pthread.h pthread_create -pthreads; then

  5886.         add_cflags -pthreads

  5887.     elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&

  5888.          check_lib pthreads pthread.h pthread_create -ldl -pthread; then

  5889.         add_cflags -ldl -pthread

  5890.     elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&

  5891.          check_lib pthreads pthread.h pthread_create -lpthreadGC2; then

  5892.         :

  5893.     elif check_lib pthreads pthread.h pthread_join   -lpthread &&

  5894.          check_lib pthreads pthread.h pthread_create -lpthread; then

  5895.         :

  5896.     elif check_func pthread_join && check_func pthread_create; then

  5897.         enable pthreads

  5898.     fi

  5899.     check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"

  5900. 

  5901.     if enabled pthreads; then

  5902.         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs

  5903.         check_func pthread_cancel $pthreads_extralibs

  5904.     fi

  5905. fi

  5906. 

  5907. enabled  zlib && check_lib zlib   zlib.h      zlibVersion    -lz

  5908. enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2

  5909. enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma

  5910. 

  5911. # On some systems dynamic loading requires no extra linker flags

  5912. check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl

  5913. 

  5914. check_lib libm math.h sin -lm

  5915. 

  5916. atan2f_args=2

  5917. copysign_args=2

  5918. hypot_args=2

  5919. ldexpf_args=2

  5920. powf_args=2

  5921. 

  5922. for func in $MATH_FUNCS; do

  5923.     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs

  5924. done

  5925. 

  5926. for func in $COMPLEX_FUNCS; do

  5927.     eval check_complexfunc $func \${${func}_args:-1}

  5928. done

  5929. 

  5930. # these are off by default, so fail if requested and not available

  5931. enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda

  5932. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5933. enabled decklink          && { require_header DeckLinkAPI.h &&

  5934.                                { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }

  5935. enabled libndi_newtek     && require_header Processing.NDI.Lib.h

  5936. enabled frei0r            && require_header frei0r.h

  5937. enabled gmp               && require gmp gmp.h mpz_export -lgmp

  5938. enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

  5939. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }

  5940. enabled ladspa            && require_header ladspa.h

  5941. enabled libaom            && require_pkg_config libaom "aom >= 0.1.0" aom/aom_codec.h aom_codec_version

  5942. enabled lv2               && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new

  5943. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5944. enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init

  5945. enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open

  5946. enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open

  5947. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5948.                              { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5949.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5950. enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas

  5951. enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2

  5952. enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new

  5953. enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion

  5954. enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5955.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5956.                                  warn "using libfdk without pkg-config"; } }

  5957. 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"

  5958. enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs

  5959. enabled fontconfig        && enable libfontconfig

  5960. enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit

  5961. enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

  5962. enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info

  5963. enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||

  5964.                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }

  5965. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5966.                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;

  5967.                                done || die "ERROR: libgsm not found"; }

  5968. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs

  5969. enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5970. # While it may appear that require is being used as a pkg-config

  5971. # fallback for libmfx, it is actually being used to detect a different

  5972. # installation route altogether.  If libmfx is installed via the Intel

  5973. # Media SDK or Intel Media Server Studio, these don't come with

  5974. # pkg-config support.  Instead, users should make sure that the build

  5975. # can find the libraries and headers through other means.

  5976. enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||

  5977.                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }

  5978. enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load

  5979. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs

  5980. enabled libmysofa         && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs

  5981. enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||

  5982.                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||

  5983.                                die "ERROR: libnpp not found"; }

  5984. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5985. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5986. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5987.                                { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5988.                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5989.                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }

  5990. enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion

  5991. enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||

  5992.                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }

  5993. enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"

  5994. enabled libopus           && {

  5995.     enabled libopus_decoder && {

  5996.         require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create

  5997.     }

  5998.     enabled libopus_encoder && {

  5999.         require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create

  6000.     }

  6001. }

  6002. enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new

  6003. enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo

  6004. enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket

  6005. enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"

  6006. enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer

  6007. enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||

  6008.                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }

  6009. enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++

  6010. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  6011. enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init

  6012. enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init

  6013. enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate

  6014. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  6015. enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure

  6016. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  6017.                              { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  6018.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  6019. enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl

  6020. enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  6021. enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf

  6022. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  6023. enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&

  6024.                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init

  6025. 

  6026. enabled libvpx            && {

  6027.     enabled libvpx_vp8_decoder && {

  6028.         check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  6029.             check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  6030.                 die "ERROR: libvpx decoder version must be >=1.4.0";

  6031.     }

  6032.     enabled libvpx_vp8_encoder && {

  6033.         check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  6034.             check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  6035.                 die "ERROR: libvpx encoder version must be >=1.4.0";

  6036.     }

  6037.     enabled libvpx_vp9_decoder && {

  6038.         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  6039.             check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  6040.     }

  6041.     enabled libvpx_vp9_encoder && {

  6042.         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  6043.             check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  6044.     }

  6045.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  6046.         die "libvpx enabled but no supported decoders found"

  6047.     fi

  6048. }

  6049. 

  6050. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  6051. enabled libwebp           && {

  6052.     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  6053.     enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }

  6054. enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||

  6055.                                { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&

  6056.                                  warn "using libx264 without pkg-config"; } } &&

  6057.                              require_cpp_condition x264.h "X264_BUILD >= 118" &&

  6058.                              check_cpp_condition libx262 x264.h "X264_MPEG2"

  6059. enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&

  6060.                              require_cpp_condition x265.h "X265_BUILD >= 68"

  6061. enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"

  6062. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  6063. enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version

  6064. enabled libzmq            && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new

  6065. enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&

  6066.                              { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  6067.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  6068. enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion

  6069. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  6070. enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  6071.                                { ! enabled cross_compile &&

  6072.                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&

  6073.                                  add_ldflags -L/opt/vc/lib/ &&

  6074.                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||

  6075.                                die "ERROR: mmal not found" &&

  6076.                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }

  6077. enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  6078.                                check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||

  6079.                                die "ERROR: openal not found"; } &&

  6080.                              { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  6081.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  6082. enabled opencl            && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  6083.                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  6084.                                die "ERROR: opencl not found"; } &&

  6085.                              { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  6086.                                test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  6087.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  6088. enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||

  6089.                                check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  6090.                                check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  6091.                                check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  6092.                                die "ERROR: opengl not found."

  6093.                              }

  6094. enabled omx               && require_header OMX_Core.h

  6095. enabled omx_rpi           && { check_header OMX_Core.h ||

  6096.                                { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||

  6097.                                die "ERROR: OpenMAX IL headers not found"; } && enable omx

  6098. enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||

  6099.                                check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||

  6100.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  6101.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  6102.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  6103.                                die "ERROR: openssl not found"; }

  6104. enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/rk_mpi.h mpp_create &&

  6105.                                require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&

  6106.                                { enabled libdrm ||

  6107.                                  die "ERROR: rkmpp requires --enable-libdrm"; }

  6108.                              }

  6109. 

  6110. if enabled gcrypt; then

  6111.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  6112.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  6113.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  6114.         gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)

  6115.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||

  6116.             die "ERROR: gcrypt not found"

  6117.         add_cflags $gcrypt_cflags

  6118.     else

  6119.         require gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  6120.     fi

  6121. fi

  6122. 

  6123. if enabled sdl2; then

  6124.     SDL2_CONFIG="${cross_prefix}sdl2-config"

  6125.     test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent

  6126.     if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then

  6127.         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)

  6128.         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)

  6129.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&

  6130.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&

  6131.         check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&

  6132.             enable sdl2

  6133.     fi

  6134.     if test $target_os = "mingw32"; then

  6135.         sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)

  6136.     fi

  6137. fi

  6138. 

  6139. if enabled decklink; then

  6140.     case $target_os in

  6141.         mingw32*|mingw64*|win32|win64)

  6142.             decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  6143.             decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  6144.             ;;

  6145.     esac

  6146. fi

  6147. 

  6148. enabled securetransport &&

  6149.     check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  6150.     check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||

  6151.         disable securetransport

  6152. 

  6153. enabled securetransport &&

  6154.     check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"

  6155. 

  6156. enabled schannel &&

  6157.     check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  6158.     test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&

  6159.     schannel_extralibs="-lsecur32" ||

  6160.         disable schannel

  6161. 

  6162. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  6163. enabled makeinfo \

  6164.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  6165.     && enable makeinfo_html || disable makeinfo_html

  6166. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  6167. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  6168. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  6169. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  6170. 

  6171. # check V4L2 codecs available in the API

  6172. check_header linux/fb.h

  6173. check_header linux/videodev2.h

  6174. test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6175. check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"

  6176. check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"

  6177. check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"

  6178. check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"

  6179. check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"

  6180. check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"

  6181. check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"

  6182. check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"

  6183. check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"

  6184. check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"

  6185. 

  6186. check_header sys/videoio.h

  6187. test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6188. 

  6189. check_lib user32 "windows.h winuser.h" GetShellWindow -luser32

  6190. check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32

  6191. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  6192. # w32api 3.12 had it defined wrong

  6193. check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"

  6194. 

  6195. check_type "dshow.h" IBaseFilter

  6196. 

  6197. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  6198. check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||

  6199.     check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||

  6200.     check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||

  6201.     check_header "dev/ic/bt8xx.h"

  6202. 

  6203. if check_struct sys/soundcard.h audio_buf_info bytes; then

  6204.     enable_sanitized sys/soundcard.h

  6205. else

  6206.     test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h

  6207.     #include <sys/soundcard.h>

  6208.     audio_buf_info abc;

  6209. EOF

  6210. fi

  6211. 

  6212. enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||

  6213.     check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound

  6214. 

  6215. enabled libjack &&

  6216.     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range

  6217. 

  6218. enabled sndio && check_lib sndio sndio.h sio_open -lsndio

  6219. 

  6220. if enabled libcdio; then

  6221.     check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||

  6222.     check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||

  6223.     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6224.     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6225.     die "ERROR: No usable libcdio/cdparanoia found"

  6226. fi

  6227. 

  6228. enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||

  6229.     disable libxcb_shm libxcb_shape libxcb_xfixes

  6230. 

  6231. if enabled libxcb; then

  6232.     enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach

  6233.     enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles

  6234.     enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image

  6235. fi

  6236. 

  6237. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  6238. 

  6239. # d3d11va requires linking directly to dxgi and d3d11 if not building for

  6240. # the desktop api partition

  6241. test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"

  6242. #ifdef WINAPI_FAMILY

  6243. #include <winapifamily.h>

  6244. #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  6245. #error desktop, not uwp

  6246. #else

  6247. // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP

  6248. #endif

  6249. #else

  6250. #error no family set

  6251. #endif

  6252. EOF

  6253. 

  6254. enabled vaapi &&

  6255.     check_lib vaapi va/va.h vaInitialize -lva

  6256. 

  6257. enabled vaapi &&

  6258.     check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"

  6259. 

  6260. if enabled vaapi; then

  6261.     check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm

  6262.     check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11

  6263. fi

  6264. 

  6265. enabled vaapi &&

  6266.     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"

  6267. 

  6268. if enabled_all opencl libdrm ; then

  6269.     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

  6270.         enable opencl_drm_beignet

  6271.     check_func_headers "CL/cl_ext.h" clImportMemoryARM &&

  6272.         enable opencl_drm_arm

  6273. fi

  6274. 

  6275. if enabled_all opencl vaapi ; then

  6276.     enabled opencl_drm_beignet && enable opencl_vaapi_beignet

  6277.     if enabled libmfx ; then

  6278.         check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&

  6279.             enable opencl_vaapi_intel_media

  6280.     fi

  6281. fi

  6282. 

  6283. if enabled_all opencl dxva2 ; then

  6284.     check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&

  6285.         enable opencl_dxva2

  6286. fi

  6287. 

  6288. if enabled_all opencl d3d11va ; then

  6289.     check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&

  6290.         enable opencl_d3d11

  6291. fi

  6292. 

  6293. enabled vdpau &&

  6294.     check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"

  6295. 

  6296. enabled vdpau &&

  6297.     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11

  6298. 

  6299. enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd

  6300. 

  6301. if enabled x86; then

  6302.     case $target_os in

  6303.         mingw32*|mingw64*|win32|win64|linux|cygwin*)

  6304.             ;;

  6305.         *)

  6306.             disable ffnvcodec cuvid nvdec nvenc

  6307.             ;;

  6308.     esac

  6309. else

  6310.     disable ffnvcodec cuvid nvdec nvenc

  6311. fi

  6312. 

  6313. enabled ffnvcodec && enable cuda

  6314. 

  6315. enabled nvenc &&

  6316.     test_cc -I$source_path <<EOF || disable nvenc

  6317. #include <ffnvcodec/nvEncodeAPI.h>

  6318. NV_ENCODE_API_FUNCTION_LIST flist;

  6319. void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }

  6320. int main(void) { return 0; }

  6321. EOF

  6322. 

  6323. enabled amf &&

  6324.     check_cpp_condition amf "AMF/core/Version.h" \

  6325.         "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"

  6326. 

  6327. # Funny iconv installations are not unusual, so check it after all flags have been set

  6328. if enabled libc_iconv; then

  6329.     check_func_headers iconv.h iconv

  6330. elif enabled iconv; then

  6331.     check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv

  6332. fi

  6333. 

  6334. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  6335. 

  6336. # add some useful compiler flags if supported

  6337. check_cflags -Wdeclaration-after-statement

  6338. check_cflags -Wall

  6339. check_cflags -Wdisabled-optimization

  6340. check_cflags -Wpointer-arith

  6341. check_cflags -Wredundant-decls

  6342. check_cflags -Wwrite-strings

  6343. check_cflags -Wtype-limits

  6344. check_cflags -Wundef

  6345. check_cflags -Wmissing-prototypes

  6346. check_cflags -Wno-pointer-to-int-cast

  6347. check_cflags -Wstrict-prototypes

  6348. check_cflags -Wempty-body

  6349. 

  6350. if enabled extra_warnings; then

  6351.     check_cflags -Wcast-qual

  6352.     check_cflags -Wextra

  6353.     check_cflags -Wpedantic

  6354. fi

  6355. 

  6356. check_disable_warning(){

  6357.     warning_flag=-W${1#-Wno-}

  6358.     test_cflags $unknown_warning_flags $warning_flag && add_cflags $1

  6359. }

  6360. 

  6361. test_cflags -Werror=unused-command-line-argument &&

  6362.     append unknown_warning_flags "-Werror=unused-command-line-argument"

  6363. test_cflags -Werror=unknown-warning-option &&

  6364.     append unknown_warning_flags "-Werror=unknown-warning-option"

  6365. 

  6366. check_disable_warning -Wno-parentheses

  6367. check_disable_warning -Wno-switch

  6368. check_disable_warning -Wno-format-zero-length

  6369. check_disable_warning -Wno-pointer-sign

  6370. check_disable_warning -Wno-unused-const-variable

  6371. check_disable_warning -Wno-bool-operation

  6372. 

  6373. check_disable_warning_headers(){

  6374.     warning_flag=-W${1#-Wno-}

  6375.     test_cflags $warning_flag && add_cflags_headers $1

  6376. }

  6377. 

  6378. check_disable_warning_headers -Wno-deprecated-declarations

  6379. check_disable_warning_headers -Wno-unused-variable

  6380. 

  6381. test_cc <<EOF && enable blocks_extension

  6382. void (^block)(void);

  6383. EOF

  6384. 

  6385. # add some linker flags

  6386. check_ldflags -Wl,--warn-common

  6387. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6388. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir

  6389. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6390. 

  6391. # add some strip flags

  6392. check_stripflags -x

  6393. 

  6394. enabled neon_clobber_test &&

  6395.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6396.                   -Wl,--wrap,avcodec_decode_audio4      \

  6397.                   -Wl,--wrap,avcodec_decode_video2      \

  6398.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6399.                   -Wl,--wrap,avcodec_encode_audio2      \

  6400.                   -Wl,--wrap,avcodec_encode_video2      \

  6401.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6402.                   -Wl,--wrap,avcodec_send_packet        \

  6403.                   -Wl,--wrap,avcodec_receive_packet     \

  6404.                   -Wl,--wrap,avcodec_send_frame         \

  6405.                   -Wl,--wrap,avcodec_receive_frame      \

  6406.                   -Wl,--wrap,swr_convert                \

  6407.                   -Wl,--wrap,avresample_convert ||

  6408.     disable neon_clobber_test

  6409. 

  6410. enabled xmm_clobber_test &&

  6411.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6412.                   -Wl,--wrap,avcodec_decode_audio4      \

  6413.                   -Wl,--wrap,avcodec_decode_video2      \

  6414.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6415.                   -Wl,--wrap,avcodec_encode_audio2      \

  6416.                   -Wl,--wrap,avcodec_encode_video2      \

  6417.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6418.                   -Wl,--wrap,avcodec_send_packet        \

  6419.                   -Wl,--wrap,avcodec_receive_packet     \

  6420.                   -Wl,--wrap,avcodec_send_frame         \

  6421.                   -Wl,--wrap,avcodec_receive_frame      \

  6422.                   -Wl,--wrap,swr_convert                \

  6423.                   -Wl,--wrap,avresample_convert         \

  6424.                   -Wl,--wrap,sws_scale ||

  6425.     disable xmm_clobber_test

  6426. 

  6427. check_ld "cc" proper_dce <<EOF

  6428. extern const int array[512];

  6429. static inline int func(void) { return array[0]; }

  6430. int main(void) { return 0; }

  6431. EOF

  6432. 

  6433. if enabled proper_dce; then

  6434.     echo "X { local: *; };" > $TMPV

  6435.     if test_ldflags -Wl,${version_script},$TMPV; then

  6436.         append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'

  6437.         quotes='""'

  6438.         test_cc <<EOF && enable symver_asm_label

  6439. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6440. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6441. EOF

  6442.         test_cc <<EOF && enable symver_gnu_asm

  6443. __asm__(".symver ff_foo,av_foo@VERSION");

  6444. void ff_foo(void) {}

  6445. EOF

  6446.     fi

  6447. fi

  6448. 

  6449. if [ -z "$optflags" ]; then

  6450.     if enabled small; then

  6451.         optflags=$cflags_size

  6452.     elif enabled optimizations; then

  6453.         optflags=$cflags_speed

  6454.     else

  6455.         optflags=$cflags_noopt

  6456.     fi

  6457. fi

  6458. 

  6459. if [ -z "$nvccflags" ]; then

  6460.     nvccflags=$nvccflags_default

  6461. fi

  6462. 

  6463. if enabled x86_64 || enabled ppc64 || enabled aarch64; then

  6464.     nvccflags="$nvccflags -m64"

  6465. else

  6466.     nvccflags="$nvccflags -m32"

  6467. fi

  6468. 

  6469. check_optflags(){

  6470.     check_cflags "$@"

  6471.     enabled lto && check_ldflags "$@"

  6472. }

  6473. 

  6474. check_optflags $optflags

  6475. check_optflags -fno-math-errno

  6476. check_optflags -fno-signed-zeros

  6477. 

  6478. if enabled lto; then

  6479.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6480.     check_cflags  -flto

  6481.     check_ldflags -flto $cpuflags

  6482.     disable inline_asm_direct_symbol_refs

  6483. fi

  6484. 

  6485. enabled ftrapv && check_cflags -ftrapv

  6486. 

  6487. test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6488. int x;

  6489. EOF

  6490. 

  6491. 

  6492. if enabled icc; then

  6493.     # Just warnings, no remarks

  6494.     check_cflags -w1

  6495.     # -wd: Disable following warnings

  6496.     # 144, 167, 556: -Wno-pointer-sign

  6497.     # 188: enumerated type mixed with another type

  6498.     # 1292: attribute "foo" ignored

  6499.     # 1419: external declaration in primary source file

  6500.     # 10006: ignoring unknown option -fno-signed-zeros

  6501.     # 10148: ignoring unknown option -Wno-parentheses

  6502.     # 10156: ignoring option '-W'; no argument required

  6503.     # 13200: No EMMS instruction before call to function

  6504.     # 13203: No EMMS instruction before return from function

  6505.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6506.     # 11030: Warning unknown option --as-needed

  6507.     # 10156: ignoring option '-export'; no argument required

  6508.     check_ldflags -wd10156,11030

  6509.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6510.     enable ebp_available

  6511.     # The test above does not test linking

  6512.     enabled lto && disable symver_asm_label

  6513.     if enabled x86_32; then

  6514.         icc_version=$($cc -dumpversion)

  6515.         test ${icc_version%%.*} -ge 11 &&

  6516.             check_cflags -falign-stack=maintain-16-byte ||

  6517.             disable aligned_stack

  6518.     fi

  6519. elif enabled gcc; then

  6520.     check_optflags -fno-tree-vectorize

  6521.     check_cflags -Werror=format-security

  6522.     check_cflags -Werror=implicit-function-declaration

  6523.     check_cflags -Werror=missing-prototypes

  6524.     check_cflags -Werror=return-type

  6525.     check_cflags -Werror=vla

  6526.     check_cflags -Wformat

  6527.     check_cflags -fdiagnostics-color=auto

  6528.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6529.     if enabled x86_32; then

  6530.         case $target_os in

  6531.         *bsd*)

  6532.             # BSDs don't guarantee a 16 byte aligned stack, but we can

  6533.             # request GCC to try to maintain 16 byte alignment throughout

  6534.             # function calls. Library entry points that might call assembly

  6535.             # functions align the stack. (The parameter means 2^4 bytes.)

  6536.             check_cflags -mpreferred-stack-boundary=4

  6537.             ;;

  6538.         esac

  6539.     fi

  6540. elif enabled llvm_gcc; then

  6541.     check_cflags -mllvm -stack-alignment=16

  6542. elif enabled clang; then

  6543.     if enabled x86_32; then

  6544.         # Clang doesn't support maintaining alignment without assuming the

  6545.         # same alignment in every function. If 16 byte alignment would be

  6546.         # enabled, one would also have to either add attribute_align_arg on

  6547.         # every single entry point into the libraries or enable -mstackrealign

  6548.         # (doing stack realignment in every single function).

  6549.         case $target_os in

  6550.         mingw32|win32|*bsd*)

  6551.             disable aligned_stack

  6552.             ;;

  6553.         *)

  6554.             check_cflags -mllvm -stack-alignment=16

  6555.             check_cflags -mstack-alignment=16

  6556.             ;;

  6557.         esac

  6558.     else

  6559.         check_cflags -mllvm -stack-alignment=16

  6560.         check_cflags -mstack-alignment=16

  6561.     fi

  6562.     check_cflags -Qunused-arguments

  6563.     check_cflags -Werror=implicit-function-declaration

  6564.     check_cflags -Werror=missing-prototypes

  6565.     check_cflags -Werror=return-type

  6566. elif enabled cparser; then

  6567.     add_cflags -Wno-missing-variable-declarations

  6568.     add_cflags -Wno-empty-statement

  6569. elif enabled armcc; then

  6570.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6571.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6572.     # 2523: use of inline assembly is deprecated

  6573.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6574.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6575.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6576.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6577.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6578.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6579. elif enabled pathscale; then

  6580.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6581.     disable inline_asm

  6582. elif enabled_any msvc icl; then

  6583.     enabled x86_32 && disable aligned_stack

  6584.     enabled_all x86_32 debug && add_cflags -Oy-

  6585.     enabled debug && add_ldflags -debug

  6586.     enable pragma_deprecated

  6587.     if enabled icl; then

  6588.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6589.         # (correctly) on icl 13.x.

  6590.         test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6591.             add_cflags -Qansi-alias

  6592.         # Some inline asm is not compilable in debug

  6593.         if enabled debug; then

  6594.             disable ebp_available

  6595.             disable ebx_available

  6596.         fi

  6597.     fi

  6598.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6599.     check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"

  6600.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6601.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6602.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6603.     # MSVC 2013 and newer can handle it fine.

  6604.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6605.     # happens in config.h.

  6606.     if [ $restrict_keyword != restrict ]; then

  6607.         test_cc <<EOF || add_cflags -FIstdlib.h

  6608. __declspec($restrict_keyword) void *foo(int);

  6609. EOF

  6610.     fi

  6611.     # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code

  6612.     # Issue has been fixed in MSVC v19.00.24218.

  6613.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||

  6614.         check_cflags -d2SSAOptimizer-

  6615.     # enable utf-8 source processing on VS2015 U2 and newer

  6616.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&

  6617.         add_cflags -utf-8

  6618. fi

  6619. 

  6620. for pfx in "" host_; do

  6621.     varname=${pfx%_}cc_type

  6622.     eval "type=\$$varname"

  6623.     if [ "$type" = "msvc" ]; then

  6624.         test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6625. static inline int foo(int a) { return a; }

  6626. EOF

  6627.     fi

  6628. done

  6629. 

  6630. case $as_type in

  6631.     clang)

  6632.         add_asflags -Qunused-arguments

  6633.     ;;

  6634. esac

  6635. 

  6636. case $ld_type in

  6637.     clang)

  6638.         check_ldflags -Qunused-arguments

  6639.     ;;

  6640. esac

  6641. 

  6642. enable frame_thread_encoder

  6643. 

  6644. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6645. 

  6646. check_deps $CONFIG_LIST       \

  6647.            $CONFIG_EXTRA      \

  6648.            $HAVE_LIST         \

  6649.            $ALL_COMPONENTS    \

  6650. 

  6651. 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"

  6652. enabled avresample && warn "Building with deprecated library libavresample"

  6653. 

  6654. if test $target_os = "haiku"; then

  6655.     disable memalign

  6656.     disable posix_memalign

  6657. fi

  6658. 

  6659. flatten_extralibs(){

  6660.     unset nested_entries

  6661.     list_name=$1

  6662.     eval list=\$${1}

  6663.     for entry in $list; do

  6664.         entry_copy=$entry

  6665.         resolve entry_copy

  6666.         append nested_entries $(filter '*_extralibs' $entry_copy)

  6667.         flat_entries=$(filter_out '*_extralibs' $entry_copy)

  6668.         eval $entry="\$flat_entries"

  6669.     done

  6670.     append $list_name "$nested_entries"

  6671. 

  6672.     resolve nested_entries

  6673.     if test -n "$(filter '*_extralibs' $nested_entries)"; then

  6674.         flatten_extralibs $list_name

  6675.     fi

  6676. }

  6677. 

  6678. flatten_extralibs_wrapper(){

  6679.     list_name=$1

  6680.     flatten_extralibs $list_name

  6681.     unique $list_name

  6682.     resolve $list_name

  6683.     eval $list_name=\$\(\$ldflags_filter \$$list_name\)

  6684.     eval printf \''%s'\' \""\$$list_name"\"

  6685. }

  6686. 

  6687. for linkunit in $LIBRARY_LIST; do

  6688.     unset current_extralibs

  6689.     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST

  6690.     for comp in ${components}; do

  6691.         enabled $comp || continue

  6692.         comp_extralibs="${comp}_extralibs"

  6693.         append current_extralibs $comp_extralibs

  6694.     done

  6695.     eval prepend ${linkunit}_extralibs $current_extralibs

  6696. done

  6697. 

  6698. for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  6699.     eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)

  6700. done

  6701. 

  6702. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6703. 

  6704. for thread in $THREADS_LIST; do

  6705.     if enabled $thread; then

  6706.         test -n "$thread_type" &&

  6707.             die "ERROR: Only one thread type must be selected." ||

  6708.             thread_type="$thread"

  6709.     fi

  6710. done

  6711. 

  6712. if disabled stdatomic; then

  6713.     if enabled atomics_gcc; then

  6714.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'

  6715.     elif enabled atomics_win32; then

  6716.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'

  6717.     elif enabled atomics_suncc; then

  6718.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'

  6719.     elif enabled pthreads; then

  6720.         add_compat atomics/pthread/stdatomic.o

  6721.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'

  6722.     else

  6723.         enabled threads && die "Threading is enabled, but no atomics are available"

  6724.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'

  6725.     fi

  6726. fi

  6727. 

  6728. # Check if requested libraries were found.

  6729. for lib in $AUTODETECT_LIBS; do

  6730.     requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";

  6731. done

  6732. 

  6733. enabled zlib && add_cppflags -DZLIB_CONST

  6734. 

  6735. # conditional library dependencies, in linking order

  6736. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6737. enabled afir_filter         && prepend avfilter_deps "avcodec"

  6738. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6739. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6740. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6741. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6742. enabled convolve_filter     && prepend avfilter_deps "avcodec"

  6743. enabled deconvolve_filter   && prepend avfilter_deps "avcodec"

  6744. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6745. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6746. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6747. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6748. enabled firequalizer_filter && prepend avfilter_deps "avcodec"

  6749. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6750. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6751. enabled pan_filter          && prepend avfilter_deps "swresample"

  6752. enabled pp_filter           && prepend avfilter_deps "postproc"

  6753. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6754. enabled resample_filter && prepend avfilter_deps "avresample"

  6755. enabled sab_filter          && prepend avfilter_deps "swscale"

  6756. enabled scale_filter    && prepend avfilter_deps "swscale"

  6757. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6758. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6759. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6760. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6761. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6762. enabled signature_filter    && prepend avfilter_deps "avcodec avformat"

  6763. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6764. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6765. enabled spp_filter          && prepend avfilter_deps "avcodec"

  6766. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6767. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6768. enabled zoompan_filter      && prepend avfilter_deps "swscale"

  6769. 

  6770. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6771. 

  6772. #FIXME

  6773. enabled sdl2_outdev     && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)

  6774. 

  6775. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6776. 

  6777. expand_deps(){

  6778.     lib_deps=${1}_deps

  6779.     eval "deps=\$$lib_deps"

  6780.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6781.     unique $lib_deps

  6782. }

  6783. 

  6784. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6785. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6786. 

  6787. map 'expand_deps $v' $LIBRARY_LIST

  6788. 

  6789. if test "$quiet" != "yes"; then

  6790. 

  6791. echo "install prefix            $prefix"

  6792. echo "source path               $source_path"

  6793. echo "C compiler                $cc"

  6794. echo "C library                 $libc_type"

  6795. if test "$host_cc" != "$cc"; then

  6796.     echo "host C compiler           $host_cc"

  6797.     echo "host C library            $host_libc_type"

  6798. fi

  6799. echo "ARCH                      $arch ($cpu)"

  6800. if test "$build_suffix" != ""; then

  6801.     echo "build suffix              $build_suffix"

  6802. fi

  6803. if test "$progs_suffix" != ""; then

  6804.     echo "progs suffix              $progs_suffix"

  6805. fi

  6806. if test "$extra_version" != ""; then

  6807.     echo "version string suffix     $extra_version"

  6808. fi

  6809. echo "big-endian                ${bigendian-no}"

  6810. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6811. if enabled x86; then

  6812.     echo "standalone assembly       ${x86asm-no}"

  6813.     echo "x86 assembler             ${x86asmexe}"

  6814.     echo "MMX enabled               ${mmx-no}"

  6815.     echo "MMXEXT enabled            ${mmxext-no}"

  6816.     echo "3DNow! enabled            ${amd3dnow-no}"

  6817.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6818.     echo "SSE enabled               ${sse-no}"

  6819.     echo "SSSE3 enabled             ${ssse3-no}"

  6820.     echo "AESNI enabled             ${aesni-no}"

  6821.     echo "AVX enabled               ${avx-no}"

  6822.     echo "AVX2 enabled              ${avx2-no}"

  6823.     echo "AVX-512 enabled           ${avx512-no}"

  6824.     echo "XOP enabled               ${xop-no}"

  6825.     echo "FMA3 enabled              ${fma3-no}"

  6826.     echo "FMA4 enabled              ${fma4-no}"

  6827.     echo "i686 features enabled     ${i686-no}"

  6828.     echo "CMOV is fast              ${fast_cmov-no}"

  6829.     echo "EBX available             ${ebx_available-no}"

  6830.     echo "EBP available             ${ebp_available-no}"

  6831. fi

  6832. if enabled aarch64; then

  6833.     echo "NEON enabled              ${neon-no}"

  6834.     echo "VFP enabled               ${vfp-no}"

  6835. fi

  6836. if enabled arm; then

  6837.     echo "ARMv5TE enabled           ${armv5te-no}"

  6838.     echo "ARMv6 enabled             ${armv6-no}"

  6839.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6840.     echo "VFP enabled               ${vfp-no}"

  6841.     echo "NEON enabled              ${neon-no}"

  6842.     echo "THUMB enabled             ${thumb-no}"

  6843. fi

  6844. if enabled mips; then

  6845.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6846.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6847.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6848.     echo "MIPS MSA enabled          ${msa-no}"

  6849.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6850. fi

  6851. if enabled ppc; then

  6852.     echo "AltiVec enabled           ${altivec-no}"

  6853.     echo "VSX enabled               ${vsx-no}"

  6854.     echo "POWER8 enabled            ${power8-no}"

  6855.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6856.     echo "dcbzl available           ${dcbzl-no}"

  6857. fi

  6858. echo "debug symbols             ${debug-no}"

  6859. echo "strip symbols             ${stripping-no}"

  6860. echo "optimize for size         ${small-no}"

  6861. echo "optimizations             ${optimizations-no}"

  6862. echo "static                    ${static-no}"

  6863. echo "shared                    ${shared-no}"

  6864. echo "postprocessing support    ${postproc-no}"

  6865. echo "network support           ${network-no}"

  6866. echo "threading support         ${thread_type-no}"

  6867. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6868. echo "texi2html enabled         ${texi2html-no}"

  6869. echo "perl enabled              ${perl-no}"

  6870. echo "pod2man enabled           ${pod2man-no}"

  6871. echo "makeinfo enabled          ${makeinfo-no}"

  6872. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6873. test -n "$random_seed" &&

  6874.     echo "random seed               ${random_seed}"

  6875. echo

  6876. 

  6877. echo "External libraries:"

  6878. print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns

  6879. echo

  6880. 

  6881. echo "External libraries providing hardware acceleration:"

  6882. print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns

  6883. echo

  6884. 

  6885. echo "Libraries:"

  6886. print_enabled '' $LIBRARY_LIST | print_in_columns

  6887. echo

  6888. 

  6889. echo "Programs:"

  6890. print_enabled '' $PROGRAM_LIST | print_in_columns

  6891. echo

  6892. 

  6893. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6894.     echo "Enabled ${type}s:"

  6895.     eval list=\$$(toupper $type)_LIST

  6896.     print_enabled '_*' $list | print_in_columns

  6897.     echo

  6898. done

  6899. 

  6900. if test -n "$ignore_tests"; then

  6901.     ignore_tests=$(echo $ignore_tests | tr ',' ' ')

  6902.     echo "Ignored FATE tests:"

  6903.     echo $ignore_tests | print_in_columns

  6904.     echo

  6905. fi

  6906. 

  6907. echo "License: $license"

  6908. 

  6909. fi # test "$quiet" != "yes"

  6910. 

  6911. if test -n "$WARNINGS"; then

  6912.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6913.     enabled fatal_warnings && exit 1

  6914. fi

  6915. 

  6916. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6917. 

  6918. esc(){

  6919.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  6920. }

  6921. 

  6922. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate

  6923. 

  6924. enabled stripping || strip="echo skipping strip"

  6925. enabled stripping || striptype=""

  6926. 

  6927. config_files="$TMPH ffbuild/config.mak doc/config.texi"

  6928. 

  6929. cat > ffbuild/config.mak <<EOF

  6930. # Automatically generated by configure - do not modify!

  6931. ifndef FFMPEG_CONFIG_MAK

  6932. FFMPEG_CONFIG_MAK=1

  6933. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6934. prefix=$prefix

  6935. LIBDIR=\$(DESTDIR)$libdir

  6936. SHLIBDIR=\$(DESTDIR)$shlibdir

  6937. INCDIR=\$(DESTDIR)$incdir

  6938. BINDIR=\$(DESTDIR)$bindir

  6939. DATADIR=\$(DESTDIR)$datadir

  6940. DOCDIR=\$(DESTDIR)$docdir

  6941. MANDIR=\$(DESTDIR)$mandir

  6942. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6943. INSTALL_NAME_DIR=$install_name_dir

  6944. SRC_PATH=$source_path

  6945. SRC_LINK=$source_link

  6946. ifndef MAIN_MAKEFILE

  6947. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6948. endif

  6949. CC_IDENT=$cc_ident

  6950. ARCH=$arch

  6951. INTRINSICS=$intrinsics

  6952. EXTERN_PREFIX=$extern_prefix

  6953. CC=$cc

  6954. CXX=$cxx

  6955. AS=$as

  6956. OBJCC=$objcc

  6957. LD=$ld

  6958. DEPCC=$dep_cc

  6959. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6960. DEPAS=$as

  6961. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6962. X86ASM=$x86asmexe

  6963. DEPX86ASM=$x86asmexe

  6964. DEPX86ASMFLAGS=\$(X86ASMFLAGS)

  6965. AR=$ar

  6966. ARFLAGS=$arflags

  6967. AR_O=$ar_o

  6968. AR_CMD=$ar

  6969. NM_CMD=$nm

  6970. RANLIB=$ranlib

  6971. STRIP=$strip

  6972. STRIPTYPE=$striptype

  6973. NVCC=$nvcc

  6974. CP=cp -p

  6975. LN_S=$ln_s

  6976. CPPFLAGS=$CPPFLAGS

  6977. CFLAGS=$CFLAGS

  6978. CXXFLAGS=$CXXFLAGS

  6979. OBJCFLAGS=$OBJCFLAGS

  6980. ASFLAGS=$ASFLAGS

  6981. NVCCFLAGS=$nvccflags

  6982. AS_C=$AS_C

  6983. AS_O=$AS_O

  6984. OBJCC_C=$OBJCC_C

  6985. OBJCC_E=$OBJCC_E

  6986. OBJCC_O=$OBJCC_O

  6987. CC_C=$CC_C

  6988. CC_E=$CC_E

  6989. CC_O=$CC_O

  6990. CXX_C=$CXX_C

  6991. CXX_O=$CXX_O

  6992. NVCC_C=$NVCC_C

  6993. NVCC_O=$NVCC_O

  6994. LD_O=$LD_O

  6995. X86ASM_O=$X86ASM_O

  6996. LD_LIB=$LD_LIB

  6997. LD_PATH=$LD_PATH

  6998. DLLTOOL=$dlltool

  6999. WINDRES=$windres

  7000. DEPWINDRES=$dep_cc

  7001. DOXYGEN=$doxygen

  7002. LDFLAGS=$LDFLAGS

  7003. LDEXEFLAGS=$LDEXEFLAGS

  7004. LDSOFLAGS=$LDSOFLAGS

  7005. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  7006. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  7007. X86ASMFLAGS=$X86ASMFLAGS

  7008. BUILDSUF=$build_suffix

  7009. PROGSSUF=$progs_suffix

  7010. FULLNAME=$FULLNAME

  7011. LIBPREF=$LIBPREF

  7012. LIBSUF=$LIBSUF

  7013. LIBNAME=$LIBNAME

  7014. SLIBPREF=$SLIBPREF

  7015. SLIBSUF=$SLIBSUF

  7016. EXESUF=$EXESUF

  7017. EXTRA_VERSION=$extra_version

  7018. CCDEP=$CCDEP

  7019. CXXDEP=$CXXDEP

  7020. CCDEP_FLAGS=$CCDEP_FLAGS

  7021. ASDEP=$ASDEP

  7022. ASDEP_FLAGS=$ASDEP_FLAGS

  7023. X86ASMDEP=$X86ASMDEP

  7024. X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS

  7025. CC_DEPFLAGS=$CC_DEPFLAGS

  7026. AS_DEPFLAGS=$AS_DEPFLAGS

  7027. X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS

  7028. HOSTCC=$host_cc

  7029. HOSTLD=$host_ld

  7030. HOSTCFLAGS=$host_cflags

  7031. HOSTCPPFLAGS=$host_cppflags

  7032. HOSTEXESUF=$HOSTEXESUF

  7033. HOSTLDFLAGS=$host_ldflags

  7034. HOSTEXTRALIBS=$host_extralibs

  7035. DEPHOSTCC=$host_cc

  7036. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  7037. HOSTCCDEP=$HOSTCCDEP

  7038. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  7039. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  7040. HOSTCC_C=$HOSTCC_C

  7041. HOSTCC_O=$HOSTCC_O

  7042. HOSTLD_O=$HOSTLD_O

  7043. TARGET_EXEC=$target_exec $target_exec_args

  7044. TARGET_PATH=$target_path

  7045. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  7046. CFLAGS-ffplay=${sdl2_cflags}

  7047. CFLAGS_HEADERS=$CFLAGS_HEADERS

  7048. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  7049. EXTRALIBS=$extralibs

  7050. COMPAT_OBJS=$compat_objs

  7051. INSTALL=$install

  7052. LIBTARGET=${LIBTARGET}

  7053. SLIBNAME=${SLIBNAME}

  7054. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  7055. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  7056. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  7057. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  7058. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  7059. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  7060. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  7061. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  7062. VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}

  7063. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  7064. NOREDZONE_FLAGS=$noredzone_flags

  7065. LIBFUZZER_PATH=$libfuzzer_path

  7066. IGNORE_TESTS=$ignore_tests

  7067. EOF

  7068. 

  7069. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST

  7070. 

  7071. for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7072.     eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak

  7073. done

  7074. 

  7075. cat > $TMPH <<EOF

  7076. /* Automatically generated by configure - do not modify! */

  7077. #ifndef FFMPEG_CONFIG_H

  7078. #define FFMPEG_CONFIG_H

  7079. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  7080. #define FFMPEG_LICENSE "$(c_escape $license)"

  7081. #define CONFIG_THIS_YEAR 2018

  7082. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  7083. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  7084. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  7085. #define av_restrict $restrict_keyword

  7086. #define EXTERN_PREFIX "${extern_prefix}"

  7087. #define EXTERN_ASM ${extern_prefix}

  7088. #define BUILDSUF "$build_suffix"

  7089. #define SLIBSUF "$SLIBSUF"

  7090. #define HAVE_MMX2 HAVE_MMXEXT

  7091. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  7092. EOF

  7093. 

  7094. test -n "$assert_level" &&

  7095.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  7096. 

  7097. test -n "$malloc_prefix" &&

  7098.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  7099. 

  7100. if enabled x86asm; then

  7101.     append config_files $TMPASM

  7102.     cat > $TMPASM <<EOF

  7103. ; Automatically generated by configure - do not modify!

  7104. EOF

  7105. fi

  7106. 

  7107. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  7108. 

  7109. 

  7110. mkdir -p doc

  7111. mkdir -p tests

  7112. mkdir -p tests/api

  7113. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  7114. 

  7115. print_config ARCH_   "$config_files" $ARCH_LIST

  7116. print_config HAVE_   "$config_files" $HAVE_LIST

  7117. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  7118.                                      $CONFIG_EXTRA      \

  7119.                                      $ALL_COMPONENTS    \

  7120. 

  7121. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  7122. echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak

  7123. 

  7124. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  7125. cp_if_changed $TMPH config.h

  7126. touch ffbuild/.config

  7127. 

  7128. enabled x86asm && cp_if_changed $TMPASM config.asm

  7129. 

  7130. cat > $TMPH <<EOF

  7131. /* Generated by ffmpeg configure */

  7132. #ifndef AVUTIL_AVCONFIG_H

  7133. #define AVUTIL_AVCONFIG_H

  7134. EOF

  7135. 

  7136. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  7137. 

  7138. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  7139. 

  7140. cp_if_changed $TMPH libavutil/avconfig.h

  7141. 

  7142. # generate the lists of enabled components

  7143. print_enabled_components(){

  7144.     file=$1

  7145.     struct_name=$2

  7146.     name=$3

  7147.     shift 3

  7148.     echo "static const $struct_name * const $name[] = {" > $TMPH

  7149.     for c in $*; do

  7150.         if enabled $c; then

  7151.             case $name in

  7152.                 indev_list)

  7153.                     c=$(add_suffix _demuxer $(remove_suffix _indev $c))

  7154.                 ;;

  7155.                 outdev_list)

  7156.                     c=$(add_suffix _muxer $(remove_suffix _outdev $c))

  7157.                 ;;

  7158.             esac

  7159.             printf "    &ff_%s,\n" $c >> $TMPH

  7160.         fi

  7161.     done

  7162.     echo "    NULL };" >> $TMPH

  7163.     cp_if_changed $TMPH $file

  7164. }

  7165. 

  7166. print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST

  7167. print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST

  7168. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  7169. print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST

  7170. print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST

  7171. print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST

  7172. print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST

  7173. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  7174. 

  7175. # Settings for pkg-config files

  7176. 

  7177. cat > $TMPH <<EOF

  7178. # Automatically generated by configure - do not modify!

  7179. shared=$shared

  7180. build_suffix=$build_suffix

  7181. prefix=$prefix

  7182. libdir=$libdir

  7183. incdir=$incdir

  7184. rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")

  7185. source_path=${source_path}

  7186. LIBPREF=${LIBPREF}

  7187. LIBSUF=${LIBSUF}

  7188. extralibs_avutil="$avutil_extralibs"

  7189. extralibs_avcodec="$avcodec_extralibs"

  7190. extralibs_avformat="$avformat_extralibs"

  7191. extralibs_avdevice="$avdevice_extralibs"

  7192. extralibs_avfilter="$avfilter_extralibs"

  7193. extralibs_avresample="$avresample_extralibs"

  7194. extralibs_postproc="$postproc_extralibs"

  7195. extralibs_swscale="$swscale_extralibs"

  7196. extralibs_swresample="$swresample_extralibs"

  7197. EOF

  7198. 

  7199. for lib in $LIBRARY_LIST; do

  7200.     lib_deps="$(eval echo \$${lib}_deps)"

  7201.     echo ${lib}_deps=\"$lib_deps\" >> $TMPH

  7202. done

  7203. 

  7204. cp_if_changed $TMPH ffbuild/config.sh