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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.   --disable-ffserver       disable ffserver build

  120. 

  121. Documentation options:

  122.   --disable-doc            do not build documentation

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

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

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

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

  127. 

  128. Component options:

  129.   --disable-avdevice       disable libavdevice build

  130.   --disable-avcodec        disable libavcodec build

  131.   --disable-avformat       disable libavformat build

  132.   --disable-swresample     disable libswresample build

  133.   --disable-swscale        disable libswscale build

  134.   --disable-postproc       disable libpostproc build

  135.   --disable-avfilter       disable libavfilter build

  136.   --enable-avresample      enable libavresample build [no]

  137.   --disable-pthreads       disable pthreads [autodetect]

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

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

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

  141.   --disable-dct            disable DCT code

  142.   --disable-dwt            disable DWT code

  143.   --disable-error-resilience disable error resilience code

  144.   --disable-lsp            disable LSP code

  145.   --disable-lzo            disable LZO decoder code

  146.   --disable-mdct           disable MDCT code

  147.   --disable-rdft           disable RDFT code

  148.   --disable-fft            disable FFT code

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

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

  151. 

  152. Individual component options:

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

  154.   --disable-encoder=NAME   disable encoder NAME

  155.   --enable-encoder=NAME    enable encoder NAME

  156.   --disable-encoders       disable all encoders

  157.   --disable-decoder=NAME   disable decoder NAME

  158.   --enable-decoder=NAME    enable decoder NAME

  159.   --disable-decoders       disable all decoders

  160.   --disable-hwaccel=NAME   disable hwaccel NAME

  161.   --enable-hwaccel=NAME    enable hwaccel NAME

  162.   --disable-hwaccels       disable all hwaccels

  163.   --disable-muxer=NAME     disable muxer NAME

  164.   --enable-muxer=NAME      enable muxer NAME

  165.   --disable-muxers         disable all muxers

  166.   --disable-demuxer=NAME   disable demuxer NAME

  167.   --enable-demuxer=NAME    enable demuxer NAME

  168.   --disable-demuxers       disable all demuxers

  169.   --enable-parser=NAME     enable parser NAME

  170.   --disable-parser=NAME    disable parser NAME

  171.   --disable-parsers        disable all parsers

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

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

  174.   --disable-bsfs           disable all bitstream filters

  175.   --enable-protocol=NAME   enable protocol NAME

  176.   --disable-protocol=NAME  disable protocol NAME

  177.   --disable-protocols      disable all protocols

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

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

  180.   --disable-indevs         disable input devices

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

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

  183.   --disable-outdevs        disable output devices

  184.   --disable-devices        disable all devices

  185.   --enable-filter=NAME     enable filter NAME

  186.   --disable-filter=NAME    disable filter NAME

  187.   --disable-filters        disable all filters

  188. 

  189. External library support:

  190. 

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

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

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

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

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

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

  197. 

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

  199.   libraries must be explicitly enabled.

  200. 

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

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

  203. 

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

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

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

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

  208.   --disable-bzlib          disable bzlib [autodetect]

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

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

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

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

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

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

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

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

  217.                            if openssl or libtls is not used [no]

  218.   --disable-iconv          disable iconv [autodetect]

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

  220.   --enable-ladspa          enable LADSPA audio filtering [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-libdc1394       enable IIDC-1394 grabbing using libdc1394

  229.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  270.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  288.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

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

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

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

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

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

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

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

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

  301.   --disable-sdl2           disable sdl2 [autodetect]

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

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

  304.   --disable-xlib           disable xlib [autodetect]

  305.   --disable-zlib           disable zlib [autodetect]

  306. 

  307.   The following libraries provide various hardware acceleration features:

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

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

  310.   --disable-cuda           disable dynamically linked Nvidia CUDA 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.   --enable-libdrm          enable DRM code (Linux) [no]

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

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

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

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

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

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

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

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

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

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

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

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

  328. 

  329. Toolchain options:

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

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

  332.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  383. 

  384. Advanced options (experts only):

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

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

  387.   --disable-symver         disable symbol versioning

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

  389.   --disable-safe-bitstream-reader

  390.                            disable buffer boundary checking in bitreaders

  391.                            (faster, but may crash)

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

  393. 

  394. Optimization options (experts only):

  395.   --disable-asm            disable all assembly optimizations

  396.   --disable-altivec        disable AltiVec optimizations

  397.   --disable-vsx            disable VSX optimizations

  398.   --disable-power8         disable POWER8 optimizations

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

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

  401.   --disable-mmx            disable MMX optimizations

  402.   --disable-mmxext         disable MMXEXT optimizations

  403.   --disable-sse            disable SSE optimizations

  404.   --disable-sse2           disable SSE2 optimizations

  405.   --disable-sse3           disable SSE3 optimizations

  406.   --disable-ssse3          disable SSSE3 optimizations

  407.   --disable-sse4           disable SSE4 optimizations

  408.   --disable-sse42          disable SSE4.2 optimizations

  409.   --disable-avx            disable AVX optimizations

  410.   --disable-xop            disable XOP optimizations

  411.   --disable-fma3           disable FMA3 optimizations

  412.   --disable-fma4           disable FMA4 optimizations

  413.   --disable-avx2           disable AVX2 optimizations

  414.   --disable-aesni          disable AESNI optimizations

  415.   --disable-armv5te        disable armv5te optimizations

  416.   --disable-armv6          disable armv6 optimizations

  417.   --disable-armv6t2        disable armv6t2 optimizations

  418.   --disable-vfp            disable VFP optimizations

  419.   --disable-neon           disable NEON optimizations

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

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

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

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

  424.   --disable-msa            disable MSA optimizations

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

  426.   --disable-mmi            disable Loongson SIMD optimizations

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

  428. 

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

  430.   --disable-debug          disable debugging symbols

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

  432.   --disable-optimizations  disable compiler optimizations

  433.   --enable-extra-warnings  enable more compiler warnings

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

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

  436.                            2 causes a slowdown at runtime.

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

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

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

  440.                            Cannot be combined with --target-exec

  441.   --enable-ftrapv          Trap arithmetic overflows

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

  443.                            \$FATE_SAMPLES at make invocation time.

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

  445.                            used only for debugging purposes)

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

  447.                            should be used only for debugging purposes)

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

  449.   --disable-random

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

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

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

  453.                            (group) and PROB the probability associated with

  454.                            NAME (default 0.5).

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

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

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

  458.   --enable-osfuzz          Enable building fuzzer tool

  459.   --libfuzzer=PATH         path to libfuzzer

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

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

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

  463. 

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

  465. EOF

  466.   exit 0

  467. }

  468. 

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

  470.     ncolors=$(tput colors)

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

  472.         bold_color=$(tput bold)

  473.         warn_color=$(tput setaf 3)

  474.         error_color=$(tput setaf 1)

  475.         reset_color=$(tput sgr0)

  476.     fi

  477.     # 72 used instead of 80 since that's the default of pr

  478.     ncols=$(tput cols)

  479. fi

  480. : ${ncols:=72}

  481. 

  482. log(){

  483.     echo "$@" >> $logfile

  484. }

  485. 

  486. log_file(){

  487.     log BEGIN $1

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

  489.     log END $1

  490. }

  491. 

  492. warn(){

  493.     log "WARNING: $*"

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

  495. }

  496. 

  497. die(){

  498.     log "$@"

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

  500.     cat <<EOF

  501. 

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

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

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

  505. EOF

  506.     if disabled logging; then

  507.         cat <<EOF

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

  509. include the log this produces with your report.

  510. EOF

  511.     else

  512.         cat <<EOF

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

  514. solve the problem.

  515. EOF

  516.     fi

  517.     exit 1

  518. }

  519. 

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

  521. toupper(){

  522.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  523. }

  524. 

  525. tolower(){

  526.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  527. }

  528. 

  529. c_escape(){

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

  531. }

  532. 

  533. sh_quote(){

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

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

  536.     echo "$v"

  537. }

  538. 

  539. cleanws(){

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

  541. }

  542. 

  543. filter(){

  544.     pat=$1

  545.     shift

  546.     for v; do

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

  548.     done

  549. }

  550. 

  551. filter_out(){

  552.     pat=$1

  553.     shift

  554.     for v; do

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

  556.     done

  557. }

  558. 

  559. map(){

  560.     m=$1

  561.     shift

  562.     for v; do eval $m; done

  563. }

  564. 

  565. add_suffix(){

  566.     suffix=$1

  567.     shift

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

  569. }

  570. 

  571. set_all(){

  572.     value=$1

  573.     shift

  574.     for var in $*; do

  575.         eval $var=$value

  576.     done

  577. }

  578. 

  579. set_weak(){

  580.     value=$1

  581.     shift

  582.     for var; do

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

  584.     done

  585. }

  586. 

  587. sanitize_var_name(){

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

  589. }

  590. 

  591. set_sanitized(){

  592.     var=$1

  593.     shift

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

  595. }

  596. 

  597. get_sanitized(){

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

  599. }

  600. 

  601. pushvar(){

  602.     for pvar in $*; do

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

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

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

  606.     done

  607. }

  608. 

  609. popvar(){

  610.     for pvar in $*; do

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

  612.         test $level = 0 && continue

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

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

  615.         eval ${pvar}_level=$level

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

  617.     done

  618. }

  619. 

  620. request(){

  621.     for var in $*; do

  622.         eval ${var}_requested=yes

  623.         eval $var=

  624.     done

  625. }

  626. 

  627. enable(){

  628.     set_all yes $*

  629. }

  630. 

  631. disable(){

  632.     set_all no $*

  633. }

  634. 

  635. enable_weak(){

  636.     set_weak yes $*

  637. }

  638. 

  639. disable_weak(){

  640.     set_weak no $*

  641. }

  642. 

  643. enable_sanitized(){

  644.     for var; do

  645.         enable $(sanitize_var_name $var)

  646.     done

  647. }

  648. 

  649. disable_sanitized(){

  650.     for var; do

  651.         disable $(sanitize_var_name $var)

  652.     done

  653. }

  654. 

  655. do_enable_deep(){

  656.     for var; do

  657.         enabled $var && continue

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

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

  660.         pushvar var sgs

  661.         enable_deep $sel

  662.         popvar sgs

  663.         enable_deep_weak $sgs

  664.         popvar var

  665.     done

  666. }

  667. 

  668. enable_deep(){

  669.     do_enable_deep $*

  670.     enable $*

  671. }

  672. 

  673. enable_deep_weak(){

  674.     for var; do

  675.         disabled $var && continue

  676.         pushvar var

  677.         do_enable_deep $var

  678.         popvar var

  679.         enable_weak $var

  680.     done

  681. }

  682. 

  683. requested(){

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

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

  686. }

  687. 

  688. enabled(){

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

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

  691. }

  692. 

  693. disabled(){

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

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

  696. }

  697. 

  698. enabled_all(){

  699.     for opt; do

  700.         enabled $opt || return 1

  701.     done

  702. }

  703. 

  704. disabled_all(){

  705.     for opt; do

  706.         disabled $opt || return 1

  707.     done

  708. }

  709. 

  710. enabled_any(){

  711.     for opt; do

  712.         enabled $opt && return 0

  713.     done

  714. }

  715. 

  716. disabled_any(){

  717.     for opt; do

  718.         disabled $opt && return 0

  719.     done

  720.     return 1

  721. }

  722. 

  723. set_default(){

  724.     for opt; do

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

  726.     done

  727. }

  728. 

  729. is_in(){

  730.     value=$1

  731.     shift

  732.     for var in $*; do

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

  734.     done

  735.     return 1

  736. }

  737. 

  738. check_deps(){

  739.     for cfg; do

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

  741.         disabled ${cfg}_checking && continue

  742.         enable ${cfg}_checking

  743. 

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

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

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

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

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

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

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

  751. 

  752.         pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn

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

  754.         popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn

  755. 

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

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

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

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

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

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

  762. 

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

  764. 

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

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

  767.             is_in $dep $LIBRARY_LIST && continue

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

  769.         done

  770. 

  771.         disable ${cfg}_checking

  772.     done

  773. }

  774. 

  775. print_config(){

  776.     pfx=$1

  777.     files=$2

  778.     shift 2

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

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

  781.         {

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

  783.             v = \$2;

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

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

  786.             for (f in files) {

  787.                 file = files[f];

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

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

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

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

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

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

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

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

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

  797.                     yesno = \$2;

  798.                     c2 = tolower(c);

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

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

  801.                 }

  802.             }

  803.         }"

  804. }

  805. 

  806. print_enabled(){

  807.     suf=$1

  808.     shift

  809.     for v; do

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

  811.     done

  812. }

  813. 

  814. append(){

  815.     var=$1

  816.     shift

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

  818. }

  819. 

  820. prepend(){

  821.     var=$1

  822.     shift

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

  824. }

  825. 

  826. unique(){

  827.     var=$1

  828.     uniq_list=""

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

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

  831.     done

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

  833. }

  834. 

  835. resolve(){

  836.     var=$1

  837.     tmpvar=

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

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

  840.     done

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

  842. }

  843. 

  844. add_cppflags(){

  845.     append CPPFLAGS "$@"

  846. }

  847. 

  848. add_cflags(){

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

  850. }

  851. 

  852. add_cflags_headers(){

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

  854. }

  855. 

  856. add_cxxflags(){

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

  858. }

  859. 

  860. add_asflags(){

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

  862. }

  863. 

  864. add_objcflags(){

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

  866. }

  867. 

  868. add_ldflags(){

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

  870. }

  871. 

  872. add_ldexeflags(){

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

  874. }

  875. 

  876. add_ldsoflags(){

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

  878. }

  879. 

  880. add_stripflags(){

  881.     append ASMSTRIPFLAGS "$@"

  882. }

  883. 

  884. add_extralibs(){

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

  886. }

  887. 

  888. add_host_cppflags(){

  889.     append host_cppflags "$@"

  890. }

  891. 

  892. add_host_cflags(){

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

  894. }

  895. 

  896. add_host_ldflags(){

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

  898. }

  899. 

  900. add_compat(){

  901.     append compat_objs $1

  902.     shift

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

  904. }

  905. 

  906. check_cmd(){

  907.     log "$@"

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

  909. }

  910. 

  911. check_stat(){

  912.     log check_stat "$@"

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

  914. }

  915. 

  916. cc_o(){

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

  918. }

  919. 

  920. cc_e(){

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

  922. }

  923. 

  924. check_cc(){

  925.     log check_cc "$@"

  926.     cat > $TMPC

  927.     log_file $TMPC

  928.     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC

  929. }

  930. 

  931. check_cxx(){

  932.     log check_cxx "$@"

  933.     cat > $TMPCPP

  934.     log_file $TMPCPP

  935.     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP

  936. }

  937. 

  938. check_objcc(){

  939.     log check_objcc "$@"

  940.     cat > $TMPM

  941.     log_file $TMPM

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

  943. }

  944. 

  945. check_cpp(){

  946.     log check_cpp "$@"

  947.     cat > $TMPC

  948.     log_file $TMPC

  949.     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC

  950. }

  951. 

  952. as_o(){

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

  954. }

  955. 

  956. check_as(){

  957.     log check_as "$@"

  958.     cat > $TMPS

  959.     log_file $TMPS

  960.     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS

  961. }

  962. 

  963. check_inline_asm(){

  964.     log check_inline_asm "$@"

  965.     name="$1"

  966.     code="$2"

  967.     shift 2

  968.     disable $name

  969.     check_cc "$@" <<EOF && enable $name

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

  971. EOF

  972. }

  973. 

  974. check_inline_asm_flags(){

  975.     log check_inline_asm_flags "$@"

  976.     name="$1"

  977.     code="$2"

  978.     flags=''

  979.     shift 2

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

  981.       append flags $1

  982.       shift

  983.     done;

  984.     disable $name

  985.     cat > $TMPC <<EOF

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

  987. EOF

  988.     log_file $TMPC

  989.     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&

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

  991. }

  992. 

  993. check_insn(){

  994.     log check_insn "$@"

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

  996.     echo "$2" | check_as && enable ${1}_external || disable ${1}_external

  997. }

  998. 

  999. check_x86asm(){

  1000.     log check_x86asm "$@"

  1001.     echo "$1" > $TMPS

  1002.     log_file $TMPS

  1003.     shift 1

  1004.     check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS

  1005. }

  1006. 

  1007. ld_o(){

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

  1009. }

  1010. 

  1011. check_ld(){

  1012.     log check_ld "$@"

  1013.     type=$1

  1014.     shift 1

  1015.     flags=$(filter_out '-l*|*.so' $@)

  1016.     libs=$(filter '-l*|*.so' $@)

  1017.     check_$type $($cflags_filter $flags) || return

  1018.     flags=$($ldflags_filter $flags)

  1019.     libs=$($ldflags_filter $libs)

  1020.     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  1021. }

  1022. 

  1023. print_include(){

  1024.     hdr=$1

  1025.     test "${hdr%.h}" = "${hdr}" &&

  1026.         echo "#include $hdr"    ||

  1027.         echo "#include <$hdr>"

  1028. }

  1029. 

  1030. check_code(){

  1031.     log check_code "$@"

  1032.     check=$1

  1033.     headers=$2

  1034.     code=$3

  1035.     shift 3

  1036.     {

  1037.         for hdr in $headers; do

  1038.             print_include $hdr

  1039.         done

  1040.         echo "int main(void) { $code; return 0; }"

  1041.     } | check_$check "$@"

  1042. }

  1043. 

  1044. check_cppflags(){

  1045.     log check_cppflags "$@"

  1046.     check_cpp "$@" <<EOF && append CPPFLAGS "$@"

  1047. #include <stdlib.h>

  1048. EOF

  1049. }

  1050. 

  1051. test_cflags(){

  1052.     log test_cflags "$@"

  1053.     set -- $($cflags_filter "$@")

  1054.     check_cc "$@" <<EOF

  1055. int x;

  1056. EOF

  1057. }

  1058. 

  1059. check_cflags(){

  1060.     log check_cflags "$@"

  1061.     test_cflags "$@" && add_cflags "$@"

  1062. }

  1063. 

  1064. check_cxxflags(){

  1065.     log check_cxxflags "$@"

  1066.     set -- $($cflags_filter "$@")

  1067.     check_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1068. int x;

  1069. EOF

  1070. }

  1071. 

  1072. test_objcflags(){

  1073.     log test_objcflags "$@"

  1074.     set -- $($objcflags_filter "$@")

  1075.     check_objcc "$@" <<EOF

  1076. int x;

  1077. EOF

  1078. }

  1079. 

  1080. check_objcflags(){

  1081.     log check_objcflags "$@"

  1082.     test_objcflags "$@" && add_objcflags "$@"

  1083. }

  1084. 

  1085. test_ldflags(){

  1086.     log test_ldflags "$@"

  1087.     set -- $($ldflags_filter "$@")

  1088.     check_ld "cc" "$@" <<EOF

  1089. int main(void){ return 0; }

  1090. EOF

  1091. }

  1092. 

  1093. check_ldflags(){

  1094.     log check_ldflags "$@"

  1095.     test_ldflags "$@" && add_ldflags "$@"

  1096. }

  1097. 

  1098. test_stripflags(){

  1099.     log test_stripflags "$@"

  1100.     # call check_cc to get a fresh TMPO

  1101.     check_cc <<EOF

  1102. int main(void) { return 0; }

  1103. EOF

  1104.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1105. }

  1106. 

  1107. check_stripflags(){

  1108.     log check_stripflags "$@"

  1109.     test_stripflags "$@" && add_stripflags "$@"

  1110. }

  1111. 

  1112. check_header(){

  1113.     log check_header "$@"

  1114.     headers=$1

  1115.     shift

  1116.     disable_sanitized $headers

  1117.     {

  1118.         for hdr in $headers; do

  1119.             print_include $hdr

  1120.         done

  1121.         echo "int x;"

  1122.     } | check_cpp "$@" && enable_sanitized $headers

  1123. }

  1124. 

  1125. check_header_objcc(){

  1126.     log check_header_objcc "$@"

  1127.     rm -f -- "$TMPO"

  1128.     header=$1

  1129.     shift

  1130.     disable_sanitized $header

  1131.     {

  1132.        echo "#include <$header>"

  1133.        echo "int main(void) { return 0; }"

  1134.     } | check_objcc && check_stat "$TMPO" && enable_sanitized $header

  1135. }

  1136. 

  1137. check_apple_framework(){

  1138.     log check_apple_framework "$@"

  1139.     framework="$1"

  1140.     name="$(tolower $framework)"

  1141.     header="${framework}/${framework}.h"

  1142.     disable $name

  1143.     check_header_objcc $header &&

  1144.         enable $name && eval ${name}_extralibs='"-framework $framework"'

  1145. }

  1146. 

  1147. check_func(){

  1148.     log check_func "$@"

  1149.     func=$1

  1150.     shift

  1151.     disable $func

  1152.     check_ld "cc" "$@" <<EOF && enable $func

  1153. extern int $func();

  1154. int main(void){ $func(); }

  1155. EOF

  1156. }

  1157. 

  1158. check_complexfunc(){

  1159.     log check_complexfunc "$@"

  1160.     func=$1

  1161.     narg=$2

  1162.     shift 2

  1163.     test $narg = 2 && args="f, g" || args="f * I"

  1164.     disable $func

  1165.     check_ld "cc" "$@" <<EOF && enable $func

  1166. #include <complex.h>

  1167. #include <math.h>

  1168. float foo(complex float f, complex float g) { return $func($args); }

  1169. int main(void){ return (int) foo; }

  1170. EOF

  1171. }

  1172. 

  1173. check_mathfunc(){

  1174.     log check_mathfunc "$@"

  1175.     func=$1

  1176.     narg=$2

  1177.     shift 2

  1178.     test $narg = 2 && args="f, g" || args="f"

  1179.     disable $func

  1180.     check_ld "cc" "$@" <<EOF && enable $func

  1181. #include <math.h>

  1182. float foo(float f, float g) { return $func($args); }

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

  1184. EOF

  1185. }

  1186. 

  1187. check_func_headers(){

  1188.     log check_func_headers "$@"

  1189.     headers=$1

  1190.     funcs=$2

  1191.     shift 2

  1192.     {

  1193.         for hdr in $headers; do

  1194.             print_include $hdr

  1195.         done

  1196.         echo "#include <stdint.h>"

  1197.         for func in $funcs; do

  1198.             echo "long check_$func(void) { return (long) $func; }"

  1199.         done

  1200.         echo "int main(void) { int ret = 0;"

  1201.         # LTO could optimize out the test functions without this

  1202.         for func in $funcs; do

  1203.             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"

  1204.         done

  1205.         echo "return ret; }"

  1206.     } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers

  1207. }

  1208. 

  1209. check_class_headers_cpp(){

  1210.     log check_class_headers_cpp "$@"

  1211.     headers=$1

  1212.     classes=$2

  1213.     shift 2

  1214.     {

  1215.         for hdr in $headers; do

  1216.             echo "#include <$hdr>"

  1217.         done

  1218.         echo "int main(void) { "

  1219.         i=1

  1220.         for class in $classes; do

  1221.             echo "$class obj$i;"

  1222.             i=$(expr $i + 1)

  1223.         done

  1224.         echo "return 0; }"

  1225.     } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers

  1226. }

  1227. 

  1228. check_cpp_condition(){

  1229.     log check_cpp_condition "$@"

  1230.     header=$1

  1231.     condition=$2

  1232.     shift 2

  1233.     check_cpp "$@" <<EOF

  1234. #include <$header>

  1235. #if !($condition)

  1236. #error "unsatisfied condition: $condition"

  1237. #endif

  1238. EOF

  1239. }

  1240. 

  1241. test_cflags_cc(){

  1242.     log test_cflags_cc "$@"

  1243.     flags=$1

  1244.     header=$2

  1245.     condition=$3

  1246.     shift 3

  1247.     set -- $($cflags_filter "$flags")

  1248.     check_cc "$@" <<EOF

  1249. #include <$header>

  1250. #if !($condition)

  1251. #error "unsatisfied condition: $condition"

  1252. #endif

  1253. EOF

  1254. }

  1255. 

  1256. check_lib(){

  1257.     log check_lib "$@"

  1258.     name="$1"

  1259.     headers="$2"

  1260.     funcs="$3"

  1261.     shift 3

  1262.     disable $name

  1263.     check_func_headers "$headers" "$funcs" "$@" &&

  1264.         enable $name && eval ${name}_extralibs="\$@"

  1265. }

  1266. 

  1267. check_lib_cpp(){

  1268.     log check_lib_cpp "$@"

  1269.     name="$1"

  1270.     headers="$2"

  1271.     classes="$3"

  1272.     shift 3

  1273.     disable $name

  1274.     check_class_headers_cpp "$headers" "$classes" "$@" &&

  1275.         enable $name && eval ${name}_extralibs="\$@"

  1276. }

  1277. 

  1278. test_pkg_config(){

  1279.     log test_pkg_config "$@"

  1280.     name="$1"

  1281.     pkg_version="$2"

  1282.     pkg="${2%% *}"

  1283.     headers="$3"

  1284.     funcs="$4"

  1285.     shift 4

  1286.     disable $name

  1287.     check_cmd $pkg_config --exists --print-errors $pkg_version || return

  1288.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1289.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1290.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1291.         enable $name &&

  1292.         set_sanitized "${name}_cflags"    $pkg_cflags &&

  1293.         set_sanitized "${name}_extralibs" $pkg_libs

  1294. }

  1295. 

  1296. check_pkg_config(){

  1297.     log check_pkg_config "$@"

  1298.     name="$1"

  1299.     test_pkg_config "$@" &&

  1300.         eval add_cflags \$${name}_cflags

  1301. }

  1302. 

  1303. check_exec(){

  1304.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1305. }

  1306. 

  1307. check_exec_crash(){

  1308.     log check_exec_crash "$@"

  1309.     code=$(cat)

  1310. 

  1311.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1312.     # are safe but may not be available everywhere.  Thus we use

  1313.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1314.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1315.     # is not defined by standard C so it is used conditionally.

  1316. 

  1317.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1318. #include <signal.h>

  1319. static void sighandler(int sig){

  1320.     raise(SIGTERM);

  1321. }

  1322. int foo(void){

  1323.     $code

  1324. }

  1325. int (*func_ptr)(void) = foo;

  1326. int main(void){

  1327.     signal(SIGILL, sighandler);

  1328.     signal(SIGFPE, sighandler);

  1329.     signal(SIGSEGV, sighandler);

  1330. #ifdef SIGBUS

  1331.     signal(SIGBUS, sighandler);

  1332. #endif

  1333.     return func_ptr();

  1334. }

  1335. EOF

  1336. }

  1337. 

  1338. check_type(){

  1339.     log check_type "$@"

  1340.     headers=$1

  1341.     type=$2

  1342.     shift 2

  1343.     disable_sanitized "$type"

  1344.     check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"

  1345. }

  1346. 

  1347. check_struct(){

  1348.     log check_struct "$@"

  1349.     headers=$1

  1350.     struct=$2

  1351.     member=$3

  1352.     shift 3

  1353.     disable_sanitized "${struct}_${member}"

  1354.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1355.         enable_sanitized "${struct}_${member}"

  1356. }

  1357. 

  1358. check_builtin(){

  1359.     log check_builtin "$@"

  1360.     name=$1

  1361.     headers=$2

  1362.     builtin=$3

  1363.     shift 3

  1364.     disable "$name"

  1365.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1366. }

  1367. 

  1368. check_compile_assert(){

  1369.     log check_compile_assert "$@"

  1370.     name=$1

  1371.     headers=$2

  1372.     condition=$3

  1373.     shift 3

  1374.     disable "$name"

  1375.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1376. }

  1377. 

  1378. require(){

  1379.     log require "$@"

  1380.     name_version="$1"

  1381.     name="${1%% *}"

  1382.     headers="$2"

  1383.     func="$3"

  1384.     shift 3

  1385.     check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"

  1386. }

  1387. 

  1388. require_cpp(){

  1389.     name="$1"

  1390.     headers="$2"

  1391.     classes="$3"

  1392.     shift 3

  1393.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1394. }

  1395. 

  1396. require_header(){

  1397.     log require_header "$@"

  1398.     headers="$1"

  1399.     shift

  1400.     check_header "$headers" "$@" || die "ERROR: $headers not found"

  1401. }

  1402. 

  1403. require_cpp_condition(){

  1404.     log require_cpp_condition "$@"

  1405.     header="$1"

  1406.     condition="$2"

  1407.     shift 2

  1408.     check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"

  1409. }

  1410. 

  1411. require_pkg_config(){

  1412.     log require_pkg_config "$@"

  1413.     pkg_version="$2"

  1414.     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"

  1415. }

  1416. 

  1417. hostcc_e(){

  1418.     eval printf '%s\\n' $HOSTCC_E

  1419. }

  1420. 

  1421. hostcc_o(){

  1422.     eval printf '%s\\n' $HOSTCC_O

  1423. }

  1424. 

  1425. check_host_cc(){

  1426.     log check_host_cc "$@"

  1427.     cat > $TMPC

  1428.     log_file $TMPC

  1429.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1430. }

  1431. 

  1432. check_host_cpp(){

  1433.     log check_host_cpp "$@"

  1434.     cat > $TMPC

  1435.     log_file $TMPC

  1436.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1437. }

  1438. 

  1439. check_host_cppflags(){

  1440.     log check_host_cppflags "$@"

  1441.     check_host_cpp "$@" <<EOF && append host_cppflags "$@"

  1442. #include <stdlib.h>

  1443. EOF

  1444. }

  1445. 

  1446. check_host_cflags(){

  1447.     log check_host_cflags "$@"

  1448.     set -- $($host_cflags_filter "$@")

  1449.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1450. int x;

  1451. EOF

  1452. }

  1453. 

  1454. check_host_cpp_condition(){

  1455.     log check_host_cpp_condition "$@"

  1456.     header=$1

  1457.     condition=$2

  1458.     shift 2

  1459.     check_host_cpp "$@" <<EOF

  1460. #include <$header>

  1461. #if !($condition)

  1462. #error "unsatisfied condition: $condition"

  1463. #endif

  1464. EOF

  1465. }

  1466. 

  1467. cp_if_changed(){

  1468.     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return

  1469.     mkdir -p "$(dirname $2)"

  1470.     cp -f "$1" "$2"

  1471. }

  1472. 

  1473. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1474. # system-dependent things.

  1475. 

  1476. AVCODEC_COMPONENTS="

  1477.     bsfs

  1478.     decoders

  1479.     encoders

  1480.     hwaccels

  1481.     parsers

  1482. "

  1483. 

  1484. AVDEVICE_COMPONENTS="

  1485.     indevs

  1486.     outdevs

  1487. "

  1488. 

  1489. AVFILTER_COMPONENTS="

  1490.     filters

  1491. "

  1492. 

  1493. AVFORMAT_COMPONENTS="

  1494.     demuxers

  1495.     muxers

  1496.     protocols

  1497. "

  1498. 

  1499. COMPONENT_LIST="

  1500.     $AVCODEC_COMPONENTS

  1501.     $AVDEVICE_COMPONENTS

  1502.     $AVFILTER_COMPONENTS

  1503.     $AVFORMAT_COMPONENTS

  1504. "

  1505. 

  1506. EXAMPLE_LIST="

  1507.     avio_dir_cmd_example

  1508.     avio_reading_example

  1509.     decode_audio_example

  1510.     decode_video_example

  1511.     demuxing_decoding_example

  1512.     encode_audio_example

  1513.     encode_video_example

  1514.     extract_mvs_example

  1515.     filter_audio_example

  1516.     filtering_audio_example

  1517.     filtering_video_example

  1518.     http_multiclient_example

  1519.     hw_decode_example

  1520.     metadata_example

  1521.     muxing_example

  1522.     qsvdec_example

  1523.     remuxing_example

  1524.     resampling_audio_example

  1525.     scaling_video_example

  1526.     transcode_aac_example

  1527.     transcoding_example

  1528.     vaapi_encode_example

  1529. "

  1530. 

  1531. EXTERNAL_AUTODETECT_LIBRARY_LIST="

  1532.     alsa

  1533.     appkit

  1534.     avfoundation

  1535.     bzlib

  1536.     coreimage

  1537.     iconv

  1538.     libxcb

  1539.     libxcb_shm

  1540.     libxcb_shape

  1541.     libxcb_xfixes

  1542.     lzma

  1543.     schannel

  1544.     sdl2

  1545.     securetransport

  1546.     sndio

  1547.     xlib

  1548.     zlib

  1549. "

  1550. 

  1551. EXTERNAL_LIBRARY_GPL_LIST="

  1552.     avisynth

  1553.     frei0r

  1554.     libcdio

  1555.     librubberband

  1556.     libvidstab

  1557.     libx264

  1558.     libx265

  1559.     libxavs

  1560.     libxvid

  1561. "

  1562. 

  1563. EXTERNAL_LIBRARY_NONFREE_LIST="

  1564.     decklink

  1565.     libndi_newtek

  1566.     libfdk_aac

  1567.     openssl

  1568.     libtls

  1569. "

  1570. 

  1571. EXTERNAL_LIBRARY_VERSION3_LIST="

  1572.     gmp

  1573.     libopencore_amrnb

  1574.     libopencore_amrwb

  1575.     libvmaf

  1576.     libvo_amrwbenc

  1577.     rkmpp

  1578. "

  1579. 

  1580. EXTERNAL_LIBRARY_GPLV3_LIST="

  1581.     libsmbclient

  1582. "

  1583. 

  1584. EXTERNAL_LIBRARY_LIST="

  1585.     $EXTERNAL_LIBRARY_GPL_LIST

  1586.     $EXTERNAL_LIBRARY_NONFREE_LIST

  1587.     $EXTERNAL_LIBRARY_VERSION3_LIST

  1588.     $EXTERNAL_LIBRARY_GPLV3_LIST

  1589.     chromaprint

  1590.     gcrypt

  1591.     gnutls

  1592.     jni

  1593.     ladspa

  1594.     libass

  1595.     libbluray

  1596.     libbs2b

  1597.     libcaca

  1598.     libcelt

  1599.     libdc1394

  1600.     libdrm

  1601.     libflite

  1602.     libfontconfig

  1603.     libfreetype

  1604.     libfribidi

  1605.     libgme

  1606.     libgsm

  1607.     libiec61883

  1608.     libilbc

  1609.     libjack

  1610.     libkvazaar

  1611.     libmodplug

  1612.     libmp3lame

  1613.     libmysofa

  1614.     libopencv

  1615.     libopenh264

  1616.     libopenjpeg

  1617.     libopenmpt

  1618.     libopus

  1619.     libpulse

  1620.     librsvg

  1621.     librtmp

  1622.     libshine

  1623.     libsmbclient

  1624.     libsnappy

  1625.     libsoxr

  1626.     libspeex

  1627.     libssh

  1628.     libtesseract

  1629.     libtheora

  1630.     libtwolame

  1631.     libv4l2

  1632.     libvorbis

  1633.     libvpx

  1634.     libwavpack

  1635.     libwebp

  1636.     libxml2

  1637.     libzimg

  1638.     libzmq

  1639.     libzvbi

  1640.     lv2

  1641.     mediacodec

  1642.     openal

  1643.     opengl

  1644. "

  1645. 

  1646. HWACCEL_AUTODETECT_LIBRARY_LIST="

  1647.     amf

  1648.     audiotoolbox

  1649.     crystalhd

  1650.     cuda

  1651.     cuvid

  1652.     d3d11va

  1653.     dxva2

  1654.     nvdec

  1655.     nvenc

  1656.     vaapi

  1657.     vdpau

  1658.     videotoolbox

  1659.     v4l2_m2m

  1660.     xvmc

  1661. "

  1662. 

  1663. # catchall list of things that require external libs to link

  1664. EXTRALIBS_LIST="

  1665.     cpu_init

  1666.     cws2fws

  1667. "

  1668. 

  1669. HWACCEL_LIBRARY_NONFREE_LIST="

  1670.     cuda_sdk

  1671.     libnpp

  1672. "

  1673. 

  1674. HWACCEL_LIBRARY_LIST="

  1675.     $HWACCEL_LIBRARY_NONFREE_LIST

  1676.     libmfx

  1677.     mmal

  1678.     omx

  1679.     opencl

  1680. "

  1681. 

  1682. DOCUMENT_LIST="

  1683.     doc

  1684.     htmlpages

  1685.     manpages

  1686.     podpages

  1687.     txtpages

  1688. "

  1689. 

  1690. FEATURE_LIST="

  1691.     ftrapv

  1692.     gray

  1693.     hardcoded_tables

  1694.     omx_rpi

  1695.     runtime_cpudetect

  1696.     safe_bitstream_reader

  1697.     shared

  1698.     small

  1699.     static

  1700.     swscale_alpha

  1701. "

  1702. 

  1703. LIBRARY_LIST="

  1704.     avcodec

  1705.     avdevice

  1706.     avfilter

  1707.     avformat

  1708.     avresample

  1709.     avutil

  1710.     postproc

  1711.     swresample

  1712.     swscale

  1713. "

  1714. 

  1715. LICENSE_LIST="

  1716.     gpl

  1717.     nonfree

  1718.     version3

  1719. "

  1720. 

  1721. PROGRAM_LIST="

  1722.     ffplay

  1723.     ffprobe

  1724.     ffserver

  1725.     ffmpeg

  1726. "

  1727. 

  1728. SUBSYSTEM_LIST="

  1729.     dct

  1730.     dwt

  1731.     error_resilience

  1732.     faan

  1733.     fast_unaligned

  1734.     fft

  1735.     lsp

  1736.     lzo

  1737.     mdct

  1738.     pixelutils

  1739.     network

  1740.     rdft

  1741. "

  1742. 

  1743. # COMPONENT_LIST needs to come last to ensure correct dependency checking

  1744. CONFIG_LIST="

  1745.     $DOCUMENT_LIST

  1746.     $EXAMPLE_LIST

  1747.     $EXTERNAL_LIBRARY_LIST

  1748.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1749.     $HWACCEL_LIBRARY_LIST

  1750.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1751.     $FEATURE_LIST

  1752.     $LICENSE_LIST

  1753.     $LIBRARY_LIST

  1754.     $PROGRAM_LIST

  1755.     $SUBSYSTEM_LIST

  1756.     autodetect

  1757.     fontconfig

  1758.     linux_perf

  1759.     memory_poisoning

  1760.     neon_clobber_test

  1761.     ossfuzz

  1762.     pic

  1763.     thumb

  1764.     valgrind_backtrace

  1765.     xmm_clobber_test

  1766.     $COMPONENT_LIST

  1767. "

  1768. 

  1769. THREADS_LIST="

  1770.     pthreads

  1771.     os2threads

  1772.     w32threads

  1773. "

  1774. 

  1775. ATOMICS_LIST="

  1776.     atomics_gcc

  1777.     atomics_suncc

  1778.     atomics_win32

  1779. "

  1780. 

  1781. AUTODETECT_LIBS="

  1782.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1783.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1784.     $THREADS_LIST

  1785. "

  1786. 

  1787. ARCH_LIST="

  1788.     aarch64

  1789.     alpha

  1790.     arm

  1791.     avr32

  1792.     avr32_ap

  1793.     avr32_uc

  1794.     bfin

  1795.     ia64

  1796.     m68k

  1797.     mips

  1798.     mips64

  1799.     parisc

  1800.     ppc

  1801.     ppc64

  1802.     s390

  1803.     sh4

  1804.     sparc

  1805.     sparc64

  1806.     tilegx

  1807.     tilepro

  1808.     tomi

  1809.     x86

  1810.     x86_32

  1811.     x86_64

  1812. "

  1813. 

  1814. ARCH_EXT_LIST_ARM="

  1815.     armv5te

  1816.     armv6

  1817.     armv6t2

  1818.     armv8

  1819.     neon

  1820.     vfp

  1821.     vfpv3

  1822.     setend

  1823. "

  1824. 

  1825. ARCH_EXT_LIST_MIPS="

  1826.     mipsfpu

  1827.     mips32r2

  1828.     mips32r5

  1829.     mips64r2

  1830.     mips32r6

  1831.     mips64r6

  1832.     mipsdsp

  1833.     mipsdspr2

  1834.     msa

  1835. "

  1836. 

  1837. ARCH_EXT_LIST_LOONGSON="

  1838.     loongson2

  1839.     loongson3

  1840.     mmi

  1841. "

  1842. 

  1843. ARCH_EXT_LIST_X86_SIMD="

  1844.     aesni

  1845.     amd3dnow

  1846.     amd3dnowext

  1847.     avx

  1848.     avx2

  1849.     fma3

  1850.     fma4

  1851.     mmx

  1852.     mmxext

  1853.     sse

  1854.     sse2

  1855.     sse3

  1856.     sse4

  1857.     sse42

  1858.     ssse3

  1859.     xop

  1860. "

  1861. 

  1862. ARCH_EXT_LIST_PPC="

  1863.     altivec

  1864.     dcbzl

  1865.     ldbrx

  1866.     power8

  1867.     ppc4xx

  1868.     vsx

  1869. "

  1870. 

  1871. ARCH_EXT_LIST_X86="

  1872.     $ARCH_EXT_LIST_X86_SIMD

  1873.     cpunop

  1874.     i686

  1875. "

  1876. 

  1877. ARCH_EXT_LIST="

  1878.     $ARCH_EXT_LIST_ARM

  1879.     $ARCH_EXT_LIST_PPC

  1880.     $ARCH_EXT_LIST_X86

  1881.     $ARCH_EXT_LIST_MIPS

  1882.     $ARCH_EXT_LIST_LOONGSON

  1883. "

  1884. 

  1885. ARCH_FEATURES="

  1886.     aligned_stack

  1887.     fast_64bit

  1888.     fast_clz

  1889.     fast_cmov

  1890.     local_aligned

  1891.     simd_align_16

  1892.     simd_align_32

  1893. "

  1894. 

  1895. BUILTIN_LIST="

  1896.     atomic_cas_ptr

  1897.     machine_rw_barrier

  1898.     MemoryBarrier

  1899.     mm_empty

  1900.     rdtsc

  1901.     sarestart

  1902.     sem_timedwait

  1903.     sync_val_compare_and_swap

  1904. "

  1905. HAVE_LIST_CMDLINE="

  1906.     inline_asm

  1907.     symver

  1908.     x86asm

  1909. "

  1910. 

  1911. HAVE_LIST_PUB="

  1912.     bigendian

  1913.     fast_unaligned

  1914. "

  1915. 

  1916. HEADERS_LIST="

  1917.     arpa_inet_h

  1918.     asm_types_h

  1919.     cdio_paranoia_h

  1920.     cdio_paranoia_paranoia_h

  1921.     cuda_h

  1922.     dispatch_dispatch_h

  1923.     dev_bktr_ioctl_bt848_h

  1924.     dev_bktr_ioctl_meteor_h

  1925.     dev_ic_bt8xx_h

  1926.     dev_video_bktr_ioctl_bt848_h

  1927.     dev_video_meteor_ioctl_meteor_h

  1928.     direct_h

  1929.     dirent_h

  1930.     dxgidebug_h

  1931.     dxva_h

  1932.     ES2_gl_h

  1933.     gsm_h

  1934.     io_h

  1935.     machine_ioctl_bt848_h

  1936.     machine_ioctl_meteor_h

  1937.     malloc_h

  1938.     opencv2_core_core_c_h

  1939.     OpenGL_gl3_h

  1940.     poll_h

  1941.     sys_param_h

  1942.     sys_resource_h

  1943.     sys_select_h

  1944.     sys_soundcard_h

  1945.     sys_time_h

  1946.     sys_un_h

  1947.     sys_videoio_h

  1948.     termios_h

  1949.     udplite_h

  1950.     unistd_h

  1951.     valgrind_valgrind_h

  1952.     windows_h

  1953.     winsock2_h

  1954. "

  1955. 

  1956. INTRINSICS_LIST="

  1957.     intrinsics_neon

  1958. "

  1959. 

  1960. COMPLEX_FUNCS="

  1961.     cabs

  1962.     cexp

  1963. "

  1964. 

  1965. MATH_FUNCS="

  1966.     atanf

  1967.     atan2f

  1968.     cbrt

  1969.     cbrtf

  1970.     copysign

  1971.     cosf

  1972.     erf

  1973.     exp2

  1974.     exp2f

  1975.     expf

  1976.     hypot

  1977.     isfinite

  1978.     isinf

  1979.     isnan

  1980.     ldexpf

  1981.     llrint

  1982.     llrintf

  1983.     log2

  1984.     log2f

  1985.     log10f

  1986.     lrint

  1987.     lrintf

  1988.     powf

  1989.     rint

  1990.     round

  1991.     roundf

  1992.     sinf

  1993.     trunc

  1994.     truncf

  1995. "

  1996. 

  1997. SYSTEM_FEATURES="

  1998.     atomics_native

  1999.     dos_paths

  2000.     libc_msvcrt

  2001.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2002.     section_data_rel_ro

  2003.     threads

  2004.     uwp

  2005.     winrt

  2006. "

  2007. 

  2008. SYSTEM_FUNCS="

  2009.     access

  2010.     aligned_malloc

  2011.     arc4random

  2012.     clock_gettime

  2013.     closesocket

  2014.     CommandLineToArgvW

  2015.     fcntl

  2016.     getaddrinfo

  2017.     gethrtime

  2018.     getopt

  2019.     GetProcessAffinityMask

  2020.     GetProcessMemoryInfo

  2021.     GetProcessTimes

  2022.     getrusage

  2023.     GetSystemTimeAsFileTime

  2024.     gettimeofday

  2025.     glob

  2026.     glXGetProcAddress

  2027.     gmtime_r

  2028.     inet_aton

  2029.     isatty

  2030.     kbhit

  2031.     localtime_r

  2032.     lstat

  2033.     lzo1x_999_compress

  2034.     mach_absolute_time

  2035.     MapViewOfFile

  2036.     memalign

  2037.     mkstemp

  2038.     mmap

  2039.     mprotect

  2040.     nanosleep

  2041.     PeekNamedPipe

  2042.     posix_memalign

  2043.     pthread_cancel

  2044.     sched_getaffinity

  2045.     SecItemImport

  2046.     SetConsoleTextAttribute

  2047.     SetConsoleCtrlHandler

  2048.     setmode

  2049.     setrlimit

  2050.     Sleep

  2051.     strerror_r

  2052.     sysconf

  2053.     sysctl

  2054.     usleep

  2055.     UTGetOSTypeFromString

  2056.     VirtualAlloc

  2057.     wglGetProcAddress

  2058. "

  2059. 

  2060. SYSTEM_LIBRARIES="

  2061.     vaapi_drm

  2062.     vaapi_x11

  2063.     vdpau_x11

  2064.     wincrypt

  2065. "

  2066. 

  2067. TOOLCHAIN_FEATURES="

  2068.     as_arch_directive

  2069.     as_fpu_directive

  2070.     as_func

  2071.     as_object_arch

  2072.     asm_mod_q

  2073.     blocks_extension

  2074.     ebp_available

  2075.     ebx_available

  2076.     gnu_as

  2077.     gnu_windres

  2078.     ibm_asm

  2079.     inline_asm_direct_symbol_refs

  2080.     inline_asm_labels

  2081.     inline_asm_nonlocal_labels

  2082.     pragma_deprecated

  2083.     rsync_contimeout

  2084.     symver_asm_label

  2085.     symver_gnu_asm

  2086.     vfp_args

  2087.     xform_asm

  2088.     xmm_clobbers

  2089. "

  2090. 

  2091. TYPES_LIST="

  2092.     CONDITION_VARIABLE_Ptr

  2093.     kCMVideoCodecType_HEVC

  2094.     socklen_t

  2095.     struct_addrinfo

  2096.     struct_group_source_req

  2097.     struct_ip_mreq_source

  2098.     struct_ipv6_mreq

  2099.     struct_msghdr_msg_flags

  2100.     struct_pollfd

  2101.     struct_rusage_ru_maxrss

  2102.     struct_sctp_event_subscribe

  2103.     struct_sockaddr_in6

  2104.     struct_sockaddr_sa_len

  2105.     struct_sockaddr_storage

  2106.     struct_stat_st_mtim_tv_nsec

  2107.     struct_v4l2_frmivalenum_discrete

  2108. "

  2109. 

  2110. HAVE_LIST="

  2111.     $ARCH_EXT_LIST

  2112.     $(add_suffix _external $ARCH_EXT_LIST)

  2113.     $(add_suffix _inline   $ARCH_EXT_LIST)

  2114.     $ARCH_FEATURES

  2115.     $ATOMICS_LIST

  2116.     $BUILTIN_LIST

  2117.     $COMPLEX_FUNCS

  2118.     $HAVE_LIST_CMDLINE

  2119.     $HAVE_LIST_PUB

  2120.     $HEADERS_LIST

  2121.     $INTRINSICS_LIST

  2122.     $MATH_FUNCS

  2123.     $SYSTEM_FEATURES

  2124.     $SYSTEM_FUNCS

  2125.     $SYSTEM_LIBRARIES

  2126.     $THREADS_LIST

  2127.     $TOOLCHAIN_FEATURES

  2128.     $TYPES_LIST

  2129.     makeinfo

  2130.     makeinfo_html

  2131.     opencl_d3d11

  2132.     opencl_drm_arm

  2133.     opencl_dxva2

  2134.     opencl_vaapi_beignet

  2135.     opencl_vaapi_intel_media

  2136.     perl

  2137.     pod2man

  2138.     texi2html

  2139. "

  2140. 

  2141. # options emitted with CONFIG_ prefix but not available on the command line

  2142. CONFIG_EXTRA="

  2143.     aandcttables

  2144.     ac3dsp

  2145.     adts_header

  2146.     audio_frame_queue

  2147.     audiodsp

  2148.     blockdsp

  2149.     bswapdsp

  2150.     cabac

  2151.     cbs

  2152.     cbs_h264

  2153.     cbs_h265

  2154.     cbs_mpeg2

  2155.     dirac_parse

  2156.     dvprofile

  2157.     exif

  2158.     faandct

  2159.     faanidct

  2160.     fdctdsp

  2161.     flacdsp

  2162.     fmtconvert

  2163.     frame_thread_encoder

  2164.     g722dsp

  2165.     golomb

  2166.     gplv3

  2167.     h263dsp

  2168.     h264chroma

  2169.     h264dsp

  2170.     h264parse

  2171.     h264pred

  2172.     h264qpel

  2173.     hevcparse

  2174.     hpeldsp

  2175.     huffman

  2176.     huffyuvdsp

  2177.     huffyuvencdsp

  2178.     idctdsp

  2179.     iirfilter

  2180.     mdct15

  2181.     intrax8

  2182.     iso_media

  2183.     ividsp

  2184.     jpegtables

  2185.     lgplv3

  2186.     libx262

  2187.     llauddsp

  2188.     llviddsp

  2189.     llvidencdsp

  2190.     lpc

  2191.     lzf

  2192.     me_cmp

  2193.     mpeg_er

  2194.     mpegaudio

  2195.     mpegaudiodsp

  2196.     mpegaudioheader

  2197.     mpegvideo

  2198.     mpegvideoenc

  2199.     mss34dsp

  2200.     pixblockdsp

  2201.     qpeldsp

  2202.     qsv

  2203.     qsvdec

  2204.     qsvenc

  2205.     qsvvpp

  2206.     rangecoder

  2207.     riffdec

  2208.     riffenc

  2209.     rtpdec

  2210.     rtpenc_chain

  2211.     rv34dsp

  2212.     sinewin

  2213.     snappy

  2214.     srtp

  2215.     startcode

  2216.     texturedsp

  2217.     texturedspenc

  2218.     tpeldsp

  2219.     vaapi_1

  2220.     vaapi_encode

  2221.     vc1dsp

  2222.     videodsp

  2223.     vp3dsp

  2224.     vp56dsp

  2225.     vp8dsp

  2226.     wma_freqs

  2227.     wmv2dsp

  2228. "

  2229. 

  2230. CMDLINE_SELECT="

  2231.     $ARCH_EXT_LIST

  2232.     $CONFIG_LIST

  2233.     $HAVE_LIST_CMDLINE

  2234.     $THREADS_LIST

  2235.     asm

  2236.     cross_compile

  2237.     debug

  2238.     extra_warnings

  2239.     logging

  2240.     lto

  2241.     optimizations

  2242.     rpath

  2243.     stripping

  2244. "

  2245. 

  2246. PATHS_LIST="

  2247.     bindir

  2248.     datadir

  2249.     docdir

  2250.     incdir

  2251.     libdir

  2252.     mandir

  2253.     pkgconfigdir

  2254.     prefix

  2255.     shlibdir

  2256.     install_name_dir

  2257. "

  2258. 

  2259. CMDLINE_SET="

  2260.     $PATHS_LIST

  2261.     ar

  2262.     arch

  2263.     as

  2264.     assert_level

  2265.     build_suffix

  2266.     cc

  2267.     objcc

  2268.     cpu

  2269.     cross_prefix

  2270.     custom_allocator

  2271.     cxx

  2272.     dep_cc

  2273.     doxygen

  2274.     env

  2275.     extra_version

  2276.     gas

  2277.     host_cc

  2278.     host_cflags

  2279.     host_extralibs

  2280.     host_ld

  2281.     host_ldflags

  2282.     host_os

  2283.     ignore_tests

  2284.     install

  2285.     ld

  2286.     ln_s

  2287.     logfile

  2288.     malloc_prefix

  2289.     nm

  2290.     optflags

  2291.     nvccflags

  2292.     pkg_config

  2293.     pkg_config_flags

  2294.     progs_suffix

  2295.     random_seed

  2296.     ranlib

  2297.     samples

  2298.     strip

  2299.     sws_max_filter_size

  2300.     sysinclude

  2301.     sysroot

  2302.     target_exec

  2303.     target_os

  2304.     target_path

  2305.     target_samples

  2306.     tempprefix

  2307.     toolchain

  2308.     valgrind

  2309.     x86asmexe

  2310. "

  2311. 

  2312. CMDLINE_APPEND="

  2313.     extra_cflags

  2314.     extra_cxxflags

  2315.     extra_objcflags

  2316.     host_cppflags

  2317. "

  2318. 

  2319. # code dependency declarations

  2320. 

  2321. # architecture extensions

  2322. 

  2323. armv5te_deps="arm"

  2324. armv6_deps="arm"

  2325. armv6t2_deps="arm"

  2326. armv8_deps="aarch64"

  2327. neon_deps_any="aarch64 arm"

  2328. intrinsics_neon_deps="neon"

  2329. vfp_deps_any="aarch64 arm"

  2330. vfpv3_deps="vfp"

  2331. setend_deps="arm"

  2332. 

  2333. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2334. 

  2335. altivec_deps="ppc"

  2336. dcbzl_deps="ppc"

  2337. ldbrx_deps="ppc"

  2338. ppc4xx_deps="ppc"

  2339. vsx_deps="altivec"

  2340. power8_deps="vsx"

  2341. 

  2342. loongson2_deps="mips"

  2343. loongson3_deps="mips"

  2344. mips32r2_deps="mips"

  2345. mips32r5_deps="mips"

  2346. mips32r6_deps="mips"

  2347. mips64r2_deps="mips"

  2348. mips64r6_deps="mips"

  2349. mipsfpu_deps="mips"

  2350. mipsdsp_deps="mips"

  2351. mipsdspr2_deps="mips"

  2352. mmi_deps="mips"

  2353. msa_deps="mipsfpu"

  2354. 

  2355. cpunop_deps="i686"

  2356. x86_64_select="i686"

  2357. x86_64_suggest="fast_cmov"

  2358. 

  2359. amd3dnow_deps="mmx"

  2360. amd3dnowext_deps="amd3dnow"

  2361. i686_deps="x86"

  2362. mmx_deps="x86"

  2363. mmxext_deps="mmx"

  2364. sse_deps="mmxext"

  2365. sse2_deps="sse"

  2366. sse3_deps="sse2"

  2367. ssse3_deps="sse3"

  2368. sse4_deps="ssse3"

  2369. sse42_deps="sse4"

  2370. aesni_deps="sse42"

  2371. avx_deps="sse42"

  2372. xop_deps="avx"

  2373. fma3_deps="avx"

  2374. fma4_deps="avx"

  2375. avx2_deps="avx"

  2376. 

  2377. mmx_external_deps="x86asm"

  2378. mmx_inline_deps="inline_asm x86"

  2379. mmx_suggest="mmx_external mmx_inline"

  2380. 

  2381. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2382.     eval dep=\$${ext}_deps

  2383.     eval ${ext}_external_deps='"${dep}_external"'

  2384.     eval ${ext}_inline_deps='"${dep}_inline"'

  2385.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2386. done

  2387. 

  2388. aligned_stack_if_any="aarch64 ppc x86"

  2389. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2390. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2391. fast_unaligned_if_any="aarch64 ppc x86"

  2392. simd_align_16_if_any="altivec neon sse"

  2393. simd_align_32_if_any="avx"

  2394. 

  2395. # system capabilities

  2396. symver_if_any="symver_asm_label symver_gnu_asm"

  2397. valgrind_backtrace_conflict="optimizations"

  2398. valgrind_backtrace_deps="valgrind_valgrind_h"

  2399. 

  2400. # threading support

  2401. atomics_gcc_if="sync_val_compare_and_swap"

  2402. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2403. atomics_win32_if="MemoryBarrier"

  2404. atomics_native_if_any="$ATOMICS_LIST"

  2405. w32threads_deps="atomics_native"

  2406. threads_if_any="$THREADS_LIST"

  2407. 

  2408. # subsystems

  2409. cbs_h264_select="cbs golomb"

  2410. cbs_h265_select="cbs golomb"

  2411. cbs_mpeg2_select="cbs"

  2412. dct_select="rdft"

  2413. dirac_parse_select="golomb"

  2414. error_resilience_select="me_cmp"

  2415. faandct_deps="faan"

  2416. faandct_select="fdctdsp"

  2417. faanidct_deps="faan"

  2418. faanidct_select="idctdsp"

  2419. h264dsp_select="startcode"

  2420. hevcparse_select="golomb"

  2421. frame_thread_encoder_deps="encoders threads"

  2422. intrax8_select="blockdsp idctdsp"

  2423. mdct_select="fft"

  2424. mdct15_select="fft"

  2425. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2426. mpeg_er_select="error_resilience"

  2427. mpegaudio_select="mpegaudiodsp mpegaudioheader"

  2428. mpegaudiodsp_select="dct"

  2429. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2430. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2431. vc1dsp_select="h264chroma qpeldsp startcode"

  2432. rdft_select="fft"

  2433. 

  2434. # decoders / encoders

  2435. aac_decoder_select="adts_header mdct15 mdct sinewin"

  2436. aac_fixed_decoder_select="mdct sinewin"

  2437. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2438. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2439. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2440. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2441. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2442. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2443. adpcm_g722_decoder_select="g722dsp"

  2444. adpcm_g722_encoder_select="g722dsp"

  2445. aic_decoder_select="golomb idctdsp"

  2446. alac_encoder_select="lpc"

  2447. als_decoder_select="bswapdsp"

  2448. amrnb_decoder_select="lsp"

  2449. amrwb_decoder_select="lsp"

  2450. amv_decoder_select="sp5x_decoder exif"

  2451. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2452. ape_decoder_select="bswapdsp llauddsp"

  2453. apng_decoder_deps="zlib"

  2454. apng_encoder_deps="zlib"

  2455. apng_encoder_select="llvidencdsp"

  2456. aptx_decoder_select="audio_frame_queue"

  2457. aptx_encoder_select="audio_frame_queue"

  2458. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2459. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2460. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2461. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2462. atrac1_decoder_select="mdct sinewin"

  2463. atrac3_decoder_select="mdct"

  2464. atrac3p_decoder_select="mdct sinewin"

  2465. avrn_decoder_select="exif jpegtables"

  2466. bink_decoder_select="blockdsp hpeldsp"

  2467. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2468. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2469. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2470. clearvideo_decoder_select="idctdsp"

  2471. cllc_decoder_select="bswapdsp"

  2472. comfortnoise_encoder_select="lpc"

  2473. cook_decoder_select="audiodsp mdct sinewin"

  2474. cscd_decoder_select="lzo"

  2475. cscd_decoder_suggest="zlib"

  2476. dca_decoder_select="mdct"

  2477. dds_decoder_select="texturedsp"

  2478. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2479. dnxhd_decoder_select="blockdsp idctdsp"

  2480. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2481. dolby_e_decoder_select="mdct"

  2482. dvvideo_decoder_select="dvprofile idctdsp"

  2483. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2484. dxa_decoder_deps="zlib"

  2485. dxv_decoder_select="lzf texturedsp"

  2486. eac3_decoder_select="ac3_decoder"

  2487. eac3_encoder_select="ac3_encoder"

  2488. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2489. eatgq_decoder_select="aandcttables"

  2490. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2491. exr_decoder_deps="zlib"

  2492. ffv1_decoder_select="rangecoder"

  2493. ffv1_encoder_select="rangecoder"

  2494. ffvhuff_decoder_select="huffyuv_decoder"

  2495. ffvhuff_encoder_select="huffyuv_encoder"

  2496. fic_decoder_select="golomb"

  2497. flac_decoder_select="flacdsp"

  2498. flac_encoder_select="bswapdsp flacdsp lpc"

  2499. flashsv2_decoder_deps="zlib"

  2500. flashsv2_encoder_deps="zlib"

  2501. flashsv_decoder_deps="zlib"

  2502. flashsv_encoder_deps="zlib"

  2503. flv_decoder_select="h263_decoder"

  2504. flv_encoder_select="h263_encoder"

  2505. fourxm_decoder_select="blockdsp bswapdsp"

  2506. fraps_decoder_select="bswapdsp huffman"

  2507. g2m_decoder_deps="zlib"

  2508. g2m_decoder_select="blockdsp idctdsp jpegtables"

  2509. g729_decoder_select="audiodsp"

  2510. h261_decoder_select="mpegvideo"

  2511. h261_encoder_select="aandcttables mpegvideoenc"

  2512. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2513. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2514. h263i_decoder_select="h263_decoder"

  2515. h263p_decoder_select="h263_decoder"

  2516. h263p_encoder_select="h263_encoder"

  2517. h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"

  2518. h264_decoder_suggest="error_resilience"

  2519. hap_decoder_select="snappy texturedsp"

  2520. hap_encoder_deps="libsnappy"

  2521. hap_encoder_select="texturedspenc"

  2522. hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"

  2523. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2524. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"

  2525. iac_decoder_select="imc_decoder"

  2526. imc_decoder_select="bswapdsp fft mdct sinewin"

  2527. indeo3_decoder_select="hpeldsp"

  2528. indeo4_decoder_select="ividsp"

  2529. indeo5_decoder_select="ividsp"

  2530. interplay_video_decoder_select="hpeldsp"

  2531. jpegls_decoder_select="mjpeg_decoder"

  2532. jv_decoder_select="blockdsp"

  2533. lagarith_decoder_select="llviddsp"

  2534. ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"

  2535. magicyuv_decoder_select="llviddsp"

  2536. magicyuv_encoder_select="llvidencdsp"

  2537. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2538. metasound_decoder_select="lsp mdct sinewin"

  2539. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2540. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2541. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2542. mjpegb_decoder_select="mjpeg_decoder"

  2543. mlp_decoder_select="mlp_parser"

  2544. mlp_encoder_select="lpc"

  2545. motionpixels_decoder_select="bswapdsp"

  2546. mp1_decoder_select="mpegaudio"

  2547. mp1float_decoder_select="mpegaudio"

  2548. mp2_decoder_select="mpegaudio"

  2549. mp2float_decoder_select="mpegaudio"

  2550. mp3_decoder_select="mpegaudio"

  2551. mp3adu_decoder_select="mpegaudio"

  2552. mp3adufloat_decoder_select="mpegaudio"

  2553. mp3float_decoder_select="mpegaudio"

  2554. mp3on4_decoder_select="mpegaudio"

  2555. mp3on4float_decoder_select="mpegaudio"

  2556. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2557. mpc8_decoder_select="mpegaudiodsp"

  2558. mpegvideo_decoder_select="mpegvideo"

  2559. mpeg1video_decoder_select="mpegvideo"

  2560. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2561. mpeg2video_decoder_select="mpegvideo"

  2562. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2563. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2564. mpeg4_encoder_select="h263_encoder"

  2565. msa1_decoder_select="mss34dsp"

  2566. mscc_decoder_deps="zlib"

  2567. msmpeg4v1_decoder_select="h263_decoder"

  2568. msmpeg4v2_decoder_select="h263_decoder"

  2569. msmpeg4v2_encoder_select="h263_encoder"

  2570. msmpeg4v3_decoder_select="h263_decoder"

  2571. msmpeg4v3_encoder_select="h263_encoder"

  2572. mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"

  2573. mts2_decoder_select="mss34dsp"

  2574. mxpeg_decoder_select="mjpeg_decoder"

  2575. nellymoser_decoder_select="mdct sinewin"

  2576. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2577. nuv_decoder_select="idctdsp lzo"

  2578. on2avc_decoder_select="mdct"

  2579. opus_decoder_deps="swresample"

  2580. opus_decoder_select="mdct15"

  2581. opus_encoder_select="audio_frame_queue mdct15"

  2582. png_decoder_deps="zlib"

  2583. png_encoder_deps="zlib"

  2584. png_encoder_select="llvidencdsp"

  2585. prores_decoder_select="blockdsp idctdsp"

  2586. prores_encoder_select="fdctdsp"

  2587. qcelp_decoder_select="lsp"

  2588. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2589. ra_144_decoder_select="audiodsp"

  2590. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2591. ralf_decoder_select="golomb"

  2592. rawvideo_decoder_select="bswapdsp"

  2593. rscc_decoder_deps="zlib"

  2594. rtjpeg_decoder_select="me_cmp"

  2595. rv10_decoder_select="h263_decoder"

  2596. rv10_encoder_select="h263_encoder"

  2597. rv20_decoder_select="h263_decoder"

  2598. rv20_encoder_select="h263_encoder"

  2599. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2600. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2601. screenpresso_decoder_deps="zlib"

  2602. shorten_decoder_select="bswapdsp"

  2603. sipr_decoder_select="lsp"

  2604. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2605. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2606. sonic_decoder_select="golomb rangecoder"

  2607. sonic_encoder_select="golomb rangecoder"

  2608. sonic_ls_encoder_select="golomb rangecoder"

  2609. sp5x_decoder_select="mjpeg_decoder"

  2610. srgc_decoder_deps="zlib"

  2611. svq1_decoder_select="hpeldsp"

  2612. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2613. svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"

  2614. svq3_decoder_suggest="zlib"

  2615. tak_decoder_select="audiodsp"

  2616. tdsc_decoder_deps="zlib"

  2617. tdsc_decoder_select="mjpeg_decoder"

  2618. theora_decoder_select="vp3_decoder"

  2619. thp_decoder_select="mjpeg_decoder"

  2620. tiff_decoder_suggest="zlib lzma"

  2621. tiff_encoder_suggest="zlib"

  2622. truehd_decoder_select="mlp_parser"

  2623. truehd_encoder_select="lpc"

  2624. truemotion2_decoder_select="bswapdsp"

  2625. truespeech_decoder_select="bswapdsp"

  2626. tscc_decoder_deps="zlib"

  2627. twinvq_decoder_select="mdct lsp sinewin"

  2628. txd_decoder_select="texturedsp"

  2629. utvideo_decoder_select="bswapdsp llviddsp"

  2630. utvideo_encoder_select="bswapdsp huffman llvidencdsp"

  2631. vble_decoder_select="llviddsp"

  2632. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2633. vc1image_decoder_select="vc1_decoder"

  2634. vorbis_decoder_select="mdct"

  2635. vorbis_encoder_select="mdct"

  2636. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2637. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2638. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2639. vp6a_decoder_select="vp6_decoder"

  2640. vp6f_decoder_select="vp6_decoder"

  2641. vp7_decoder_select="h264pred videodsp vp8dsp"

  2642. vp8_decoder_select="h264pred videodsp vp8dsp"

  2643. vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"

  2644. webp_decoder_select="vp8_decoder exif"

  2645. wmalossless_decoder_select="llauddsp"

  2646. wmapro_decoder_select="mdct sinewin wma_freqs"

  2647. wmav1_decoder_select="mdct sinewin wma_freqs"

  2648. wmav1_encoder_select="mdct sinewin wma_freqs"

  2649. wmav2_decoder_select="mdct sinewin wma_freqs"

  2650. wmav2_encoder_select="mdct sinewin wma_freqs"

  2651. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2652. wmv1_decoder_select="h263_decoder"

  2653. wmv1_encoder_select="h263_encoder"

  2654. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2655. wmv2_encoder_select="h263_encoder wmv2dsp"

  2656. wmv3_decoder_select="vc1_decoder"

  2657. wmv3image_decoder_select="wmv3_decoder"

  2658. xma1_decoder_select="wmapro_decoder"

  2659. xma2_decoder_select="wmapro_decoder"

  2660. zerocodec_decoder_deps="zlib"

  2661. zlib_decoder_deps="zlib"

  2662. zlib_encoder_deps="zlib"

  2663. zmbv_decoder_deps="zlib"

  2664. zmbv_encoder_deps="zlib"

  2665. 

  2666. # hardware accelerators

  2667. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2668. cuda_deps_any="libdl LoadLibrary"

  2669. cuvid_deps="cuda"

  2670. d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2671. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"

  2672. nvdec_deps="cuda"

  2673. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2674. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2675. xvmc_deps="X11_extensions_XvMClib_h"

  2676. 

  2677. h263_vaapi_hwaccel_deps="vaapi"

  2678. h263_vaapi_hwaccel_select="h263_decoder"

  2679. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2680. h263_videotoolbox_hwaccel_select="h263_decoder"

  2681. h264_d3d11va_hwaccel_deps="d3d11va"

  2682. h264_d3d11va_hwaccel_select="h264_decoder"

  2683. h264_d3d11va2_hwaccel_deps="d3d11va"

  2684. h264_d3d11va2_hwaccel_select="h264_decoder"

  2685. h264_dxva2_hwaccel_deps="dxva2"

  2686. h264_dxva2_hwaccel_select="h264_decoder"

  2687. h264_nvdec_hwaccel_deps="nvdec"

  2688. h264_nvdec_hwaccel_select="h264_decoder"

  2689. h264_vaapi_hwaccel_deps="vaapi"

  2690. h264_vaapi_hwaccel_select="h264_decoder"

  2691. h264_vdpau_hwaccel_deps="vdpau"

  2692. h264_vdpau_hwaccel_select="h264_decoder"

  2693. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2694. h264_videotoolbox_hwaccel_select="h264_decoder"

  2695. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2696. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2697. hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2698. hevc_d3d11va2_hwaccel_select="hevc_decoder"

  2699. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2700. hevc_dxva2_hwaccel_select="hevc_decoder"

  2701. hevc_nvdec_hwaccel_deps="nvdec"

  2702. hevc_nvdec_hwaccel_select="hevc_decoder"

  2703. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2704. hevc_vaapi_hwaccel_select="hevc_decoder"

  2705. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2706. hevc_vdpau_hwaccel_select="hevc_decoder"

  2707. hevc_videotoolbox_hwaccel_deps="videotoolbox"

  2708. hevc_videotoolbox_hwaccel_select="hevc_decoder"

  2709. mpeg_xvmc_hwaccel_deps="xvmc"

  2710. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2711. mpeg1_nvdec_hwaccel_deps="nvdec"

  2712. mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"

  2713. mpeg1_vdpau_hwaccel_deps="vdpau"

  2714. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2715. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2716. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2717. mpeg1_xvmc_hwaccel_deps="xvmc"

  2718. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2719. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2720. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2721. mpeg2_d3d11va2_hwaccel_deps="d3d11va"

  2722. mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"

  2723. mpeg2_dxva2_hwaccel_deps="dxva2"

  2724. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2725. mpeg2_nvdec_hwaccel_deps="nvdec"

  2726. mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"

  2727. mpeg2_vaapi_hwaccel_deps="vaapi"

  2728. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2729. mpeg2_vdpau_hwaccel_deps="vdpau"

  2730. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2731. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2732. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2733. mpeg2_xvmc_hwaccel_deps="xvmc"

  2734. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2735. mpeg4_nvdec_hwaccel_deps="nvdec"

  2736. mpeg4_nvdec_hwaccel_select="mpeg4_decoder"

  2737. mpeg4_vaapi_hwaccel_deps="vaapi"

  2738. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2739. mpeg4_vdpau_hwaccel_deps="vdpau"

  2740. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2741. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2742. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2743. vc1_d3d11va_hwaccel_deps="d3d11va"

  2744. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2745. vc1_d3d11va2_hwaccel_deps="d3d11va"

  2746. vc1_d3d11va2_hwaccel_select="vc1_decoder"

  2747. vc1_dxva2_hwaccel_deps="dxva2"

  2748. vc1_dxva2_hwaccel_select="vc1_decoder"

  2749. vc1_nvdec_hwaccel_deps="nvdec"

  2750. vc1_nvdec_hwaccel_select="vc1_decoder"

  2751. vc1_vaapi_hwaccel_deps="vaapi"

  2752. vc1_vaapi_hwaccel_select="vc1_decoder"

  2753. vc1_vdpau_hwaccel_deps="vdpau"

  2754. vc1_vdpau_hwaccel_select="vc1_decoder"

  2755. vp8_nvdec_hwaccel_deps="nvdec"

  2756. vp8_nvdec_hwaccel_select="vp8_decoder"

  2757. vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"

  2758. vp8_vaapi_hwaccel_select="vp8_decoder"

  2759. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2760. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2761. vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2762. vp9_d3d11va2_hwaccel_select="vp9_decoder"

  2763. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2764. vp9_dxva2_hwaccel_select="vp9_decoder"

  2765. vp9_nvdec_hwaccel_deps="nvdec"

  2766. vp9_nvdec_hwaccel_select="vp9_decoder"

  2767. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"

  2768. vp9_vaapi_hwaccel_select="vp9_decoder"

  2769. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2770. wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"

  2771. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2772. wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"

  2773. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2774. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2775. 

  2776. # hardware-accelerated codecs

  2777. omx_deps="libdl pthreads"

  2778. omx_rpi_select="omx"

  2779. qsv_deps="libmfx"

  2780. qsvdec_select="qsv"

  2781. qsvenc_select="qsv"

  2782. qsvvpp_select="qsv"

  2783. vaapi_encode_deps="vaapi"

  2784. v4l2_m2m_deps_any="linux_videodev2_h"

  2785. 

  2786. hwupload_cuda_filter_deps="cuda"

  2787. scale_npp_filter_deps="cuda libnpp"

  2788. scale_cuda_filter_deps="cuda_sdk"

  2789. thumbnail_cuda_filter_deps="cuda_sdk"

  2790. 

  2791. amf_deps_any="libdl LoadLibrary"

  2792. nvenc_deps="cuda"

  2793. nvenc_deps_any="libdl LoadLibrary"

  2794. nvenc_encoder_deps="nvenc"

  2795. 

  2796. h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"

  2797. h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"

  2798. h264_amf_encoder_deps="amf"

  2799. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2800. h264_cuvid_decoder_deps="cuvid"

  2801. h264_cuvid_decoder_select="h264_mp4toannexb_bsf"

  2802. h264_mediacodec_decoder_deps="mediacodec"

  2803. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2804. h264_mmal_decoder_deps="mmal"

  2805. h264_nvenc_encoder_deps="nvenc"

  2806. h264_omx_encoder_deps="omx"

  2807. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"

  2808. h264_qsv_encoder_select="qsvenc"

  2809. h264_rkmpp_decoder_deps="rkmpp"

  2810. h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"

  2811. h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"

  2812. h264_vaapi_encoder_select="cbs_h264 vaapi_encode"

  2813. h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"

  2814. h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"

  2815. hevc_amf_encoder_deps="amf"

  2816. hevc_cuvid_decoder_deps="cuvid"

  2817. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"

  2818. hevc_mediacodec_decoder_deps="mediacodec"

  2819. hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"

  2820. hevc_nvenc_encoder_deps="nvenc"

  2821. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"

  2822. hevc_qsv_encoder_select="hevcparse qsvenc"

  2823. hevc_rkmpp_decoder_deps="rkmpp"

  2824. hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"

  2825. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  2826. hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"

  2827. hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2828. hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"

  2829. mjpeg_cuvid_decoder_deps="cuvid"

  2830. mjpeg_qsv_encoder_deps="libmfx"

  2831. mjpeg_qsv_encoder_select="qsvenc"

  2832. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  2833. mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"

  2834. mpeg1_cuvid_decoder_deps="cuvid"

  2835. mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"

  2836. mpeg2_crystalhd_decoder_select="crystalhd"

  2837. mpeg2_cuvid_decoder_deps="cuvid"

  2838. mpeg2_mmal_decoder_deps="mmal"

  2839. mpeg2_mediacodec_decoder_deps="mediacodec"

  2840. mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"

  2841. mpeg2_qsv_encoder_select="qsvenc"

  2842. mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"

  2843. mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"

  2844. mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"

  2845. mpeg4_crystalhd_decoder_select="crystalhd"

  2846. mpeg4_cuvid_decoder_deps="cuvid"

  2847. mpeg4_mediacodec_decoder_deps="mediacodec"

  2848. mpeg4_mmal_decoder_deps="mmal"

  2849. mpeg4_omx_encoder_deps="omx"

  2850. mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  2851. mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  2852. msmpeg4_crystalhd_decoder_select="crystalhd"

  2853. nvenc_h264_encoder_select="h264_nvenc_encoder"

  2854. nvenc_hevc_encoder_select="hevc_nvenc_encoder"

  2855. vc1_crystalhd_decoder_select="crystalhd"

  2856. vc1_cuvid_decoder_deps="cuvid"

  2857. vc1_mmal_decoder_deps="mmal"

  2858. vc1_qsv_decoder_select="qsvdec vc1_parser"

  2859. vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"

  2860. vp8_cuvid_decoder_deps="cuvid"

  2861. vp8_mediacodec_decoder_deps="mediacodec"

  2862. vp8_qsv_decoder_select="qsvdec vp8_parser"

  2863. vp8_rkmpp_decoder_deps="rkmpp"

  2864. vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"

  2865. vp8_vaapi_encoder_select="vaapi_encode"

  2866. vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"

  2867. vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"

  2868. vp9_cuvid_decoder_deps="cuvid"

  2869. vp9_mediacodec_decoder_deps="mediacodec"

  2870. vp9_rkmpp_decoder_deps="rkmpp"

  2871. vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"

  2872. vp9_vaapi_encoder_select="vaapi_encode"

  2873. vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"

  2874. wmv3_crystalhd_decoder_select="crystalhd"

  2875. 

  2876. # parsers

  2877. aac_parser_select="adts_header"

  2878. h264_parser_select="golomb h264dsp h264parse"

  2879. hevc_parser_select="hevcparse"

  2880. mpegaudio_parser_select="mpegaudioheader"

  2881. mpegvideo_parser_select="mpegvideo"

  2882. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2883. vc1_parser_select="vc1dsp"

  2884. 

  2885. # bitstream_filters

  2886. aac_adtstoasc_bsf_select="adts_header"

  2887. h264_metadata_bsf_select="cbs_h264"

  2888. h264_redundant_pps_bsf_select="cbs_h264"

  2889. hevc_metadata_bsf_select="cbs_h265"

  2890. mjpeg2jpeg_bsf_select="jpegtables"

  2891. mpeg2_metadata_bsf_select="cbs_mpeg2"

  2892. trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"

  2893. 

  2894. # external libraries

  2895. aac_at_decoder_deps="audiotoolbox"

  2896. aac_at_decoder_select="aac_adtstoasc_bsf"

  2897. ac3_at_decoder_deps="audiotoolbox"

  2898. ac3_at_decoder_select="ac3_parser"

  2899. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  2900. alac_at_decoder_deps="audiotoolbox"

  2901. amr_nb_at_decoder_deps="audiotoolbox"

  2902. avisynth_deps_any="libdl LoadLibrary"

  2903. avisynth_demuxer_deps="avisynth"

  2904. avisynth_demuxer_select="riffdec"

  2905. eac3_at_decoder_deps="audiotoolbox"

  2906. eac3_at_decoder_select="ac3_parser"

  2907. gsm_ms_at_decoder_deps="audiotoolbox"

  2908. ilbc_at_decoder_deps="audiotoolbox"

  2909. mp1_at_decoder_deps="audiotoolbox"

  2910. mp2_at_decoder_deps="audiotoolbox"

  2911. mp3_at_decoder_deps="audiotoolbox"

  2912. mp1_at_decoder_select="mpegaudioheader"

  2913. mp2_at_decoder_select="mpegaudioheader"

  2914. mp3_at_decoder_select="mpegaudioheader"

  2915. pcm_alaw_at_decoder_deps="audiotoolbox"

  2916. pcm_mulaw_at_decoder_deps="audiotoolbox"

  2917. qdmc_at_decoder_deps="audiotoolbox"

  2918. qdm2_at_decoder_deps="audiotoolbox"

  2919. aac_at_encoder_deps="audiotoolbox"

  2920. aac_at_encoder_select="audio_frame_queue"

  2921. alac_at_encoder_deps="audiotoolbox"

  2922. alac_at_encoder_select="audio_frame_queue"

  2923. ilbc_at_encoder_deps="audiotoolbox"

  2924. ilbc_at_encoder_select="audio_frame_queue"

  2925. pcm_alaw_at_encoder_deps="audiotoolbox"

  2926. pcm_alaw_at_encoder_select="audio_frame_queue"

  2927. pcm_mulaw_at_encoder_deps="audiotoolbox"

  2928. pcm_mulaw_at_encoder_select="audio_frame_queue"

  2929. chromaprint_muxer_deps="chromaprint"

  2930. h264_videotoolbox_encoder_deps="pthreads"

  2931. h264_videotoolbox_encoder_select="videotoolbox_encoder"

  2932. hevc_videotoolbox_encoder_deps="pthreads"

  2933. hevc_videotoolbox_encoder_select="videotoolbox_encoder"

  2934. libcelt_decoder_deps="libcelt"

  2935. libfdk_aac_decoder_deps="libfdk_aac"

  2936. libfdk_aac_encoder_deps="libfdk_aac"

  2937. libfdk_aac_encoder_select="audio_frame_queue"

  2938. libgme_demuxer_deps="libgme"

  2939. libgsm_decoder_deps="libgsm"

  2940. libgsm_encoder_deps="libgsm"

  2941. libgsm_ms_decoder_deps="libgsm"

  2942. libgsm_ms_encoder_deps="libgsm"

  2943. libilbc_decoder_deps="libilbc"

  2944. libilbc_encoder_deps="libilbc"

  2945. libkvazaar_encoder_deps="libkvazaar"

  2946. libmodplug_demuxer_deps="libmodplug"

  2947. libmp3lame_encoder_deps="libmp3lame"

  2948. libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"

  2949. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2950. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2951. libopencore_amrnb_encoder_select="audio_frame_queue"

  2952. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2953. libopenh264_decoder_deps="libopenh264"

  2954. libopenh264_decoder_select="h264_mp4toannexb_bsf"

  2955. libopenh264_encoder_deps="libopenh264"

  2956. libopenjpeg_decoder_deps="libopenjpeg"

  2957. libopenjpeg_encoder_deps="libopenjpeg"

  2958. libopenmpt_demuxer_deps="libopenmpt"

  2959. libopus_decoder_deps="libopus"

  2960. libopus_encoder_deps="libopus"

  2961. libopus_encoder_select="audio_frame_queue"

  2962. librsvg_decoder_deps="librsvg"

  2963. libshine_encoder_deps="libshine"

  2964. libshine_encoder_select="audio_frame_queue"

  2965. libspeex_decoder_deps="libspeex"

  2966. libspeex_encoder_deps="libspeex"

  2967. libspeex_encoder_select="audio_frame_queue"

  2968. libtheora_encoder_deps="libtheora"

  2969. libtwolame_encoder_deps="libtwolame"

  2970. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2971. libvorbis_decoder_deps="libvorbis"

  2972. libvorbis_encoder_deps="libvorbis libvorbisenc"

  2973. libvorbis_encoder_select="audio_frame_queue"

  2974. libvpx_vp8_decoder_deps="libvpx"

  2975. libvpx_vp8_encoder_deps="libvpx"

  2976. libvpx_vp9_decoder_deps="libvpx"

  2977. libvpx_vp9_encoder_deps="libvpx"

  2978. libwavpack_encoder_deps="libwavpack"

  2979. libwavpack_encoder_select="audio_frame_queue"

  2980. libwebp_encoder_deps="libwebp"

  2981. libwebp_anim_encoder_deps="libwebp"

  2982. libx262_encoder_deps="libx262"

  2983. libx264_encoder_deps="libx264"

  2984. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  2985. libx264rgb_encoder_select="libx264_encoder"

  2986. libx265_encoder_deps="libx265"

  2987. libxavs_encoder_deps="libxavs"

  2988. libxvid_encoder_deps="libxvid"

  2989. libzvbi_teletext_decoder_deps="libzvbi"

  2990. videotoolbox_suggest="coreservices"

  2991. videotoolbox_deps="corefoundation coremedia corevideo"

  2992. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  2993. 

  2994. # demuxers / muxers

  2995. ac3_demuxer_select="ac3_parser"

  2996. aiff_muxer_select="iso_media"

  2997. asf_demuxer_select="riffdec"

  2998. asf_o_demuxer_select="riffdec"

  2999. asf_muxer_select="riffenc"

  3000. asf_stream_muxer_select="asf_muxer"

  3001. avi_demuxer_select="iso_media riffdec exif"

  3002. avi_muxer_select="riffenc"

  3003. caf_demuxer_select="iso_media riffdec"

  3004. caf_muxer_select="iso_media"

  3005. dash_muxer_select="mp4_muxer"

  3006. dash_demuxer_deps="libxml2"

  3007. dirac_demuxer_select="dirac_parser"

  3008. dts_demuxer_select="dca_parser"

  3009. dtshd_demuxer_select="dca_parser"

  3010. dv_demuxer_select="dvprofile"

  3011. dv_muxer_select="dvprofile"

  3012. dxa_demuxer_select="riffdec"

  3013. eac3_demuxer_select="ac3_parser"

  3014. f4v_muxer_select="mov_muxer"

  3015. fifo_muxer_deps="threads"

  3016. flac_demuxer_select="flac_parser"

  3017. hds_muxer_select="flv_muxer"

  3018. hls_muxer_select="mpegts_muxer"

  3019. hls_muxer_suggest="gcrypt openssl"

  3020. image2_alias_pix_demuxer_select="image2_demuxer"

  3021. image2_brender_pix_demuxer_select="image2_demuxer"

  3022. ipod_muxer_select="mov_muxer"

  3023. ismv_muxer_select="mov_muxer"

  3024. matroska_audio_muxer_select="matroska_muxer"

  3025. matroska_demuxer_select="iso_media riffdec"

  3026. matroska_demuxer_suggest="bzlib lzo zlib"

  3027. matroska_muxer_select="iso_media riffenc"

  3028. mmf_muxer_select="riffenc"

  3029. mov_demuxer_select="iso_media riffdec"

  3030. mov_demuxer_suggest="zlib"

  3031. mov_muxer_select="iso_media riffenc rtpenc_chain"

  3032. mp3_demuxer_select="mpegaudio_parser"

  3033. mp3_muxer_select="mpegaudioheader"

  3034. mp4_muxer_select="mov_muxer"

  3035. mpegts_demuxer_select="iso_media"

  3036. mpegts_muxer_select="adts_muxer latm_muxer"

  3037. mpegtsraw_demuxer_select="mpegts_demuxer"

  3038. mxf_d10_muxer_select="mxf_muxer"

  3039. mxf_opatom_muxer_select="mxf_muxer"

  3040. nut_muxer_select="riffenc"

  3041. nuv_demuxer_select="riffdec"

  3042. oga_muxer_select="ogg_muxer"

  3043. ogg_demuxer_select="dirac_parse"

  3044. ogv_muxer_select="ogg_muxer"

  3045. opus_muxer_select="ogg_muxer"

  3046. psp_muxer_select="mov_muxer"

  3047. rtp_demuxer_select="sdp_demuxer"

  3048. rtp_muxer_select="golomb"

  3049. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  3050. rtsp_demuxer_select="http_protocol rtpdec"

  3051. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  3052. sap_demuxer_select="sdp_demuxer"

  3053. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  3054. sdp_demuxer_select="rtpdec"

  3055. smoothstreaming_muxer_select="ismv_muxer"

  3056. spdif_demuxer_select="adts_header"

  3057. spdif_muxer_select="adts_header"

  3058. spx_muxer_select="ogg_muxer"

  3059. swf_demuxer_suggest="zlib"

  3060. tak_demuxer_select="tak_parser"

  3061. tg2_muxer_select="mov_muxer"

  3062. tgp_muxer_select="mov_muxer"

  3063. vobsub_demuxer_select="mpegps_demuxer"

  3064. w64_demuxer_select="wav_demuxer"

  3065. w64_muxer_select="wav_muxer"

  3066. wav_demuxer_select="riffdec"

  3067. wav_muxer_select="riffenc"

  3068. webm_muxer_select="iso_media riffenc"

  3069. webm_dash_manifest_demuxer_select="matroska_demuxer"

  3070. wtv_demuxer_select="mpegts_demuxer riffdec"

  3071. wtv_muxer_select="mpegts_muxer riffenc"

  3072. xmv_demuxer_select="riffdec"

  3073. xwma_demuxer_select="riffdec"

  3074. 

  3075. # indevs / outdevs

  3076. alsa_indev_deps="alsa"

  3077. alsa_outdev_deps="alsa"

  3078. avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"

  3079. avfoundation_indev_suggest="coregraphics applicationservices"

  3080. avfoundation_indev_extralibs="-framework Foundation"

  3081. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  3082. caca_outdev_deps="libcaca"

  3083. decklink_deps_any="libdl LoadLibrary"

  3084. decklink_indev_deps="decklink threads"

  3085. decklink_indev_extralibs="-lstdc++"

  3086. decklink_outdev_deps="decklink threads"

  3087. decklink_outdev_extralibs="-lstdc++"

  3088. libndi_newtek_indev_deps="libndi_newtek"

  3089. libndi_newtek_indev_extralibs="-lndi"

  3090. libndi_newtek_outdev_deps="libndi_newtek"

  3091. libndi_newtek_outdev_extralibs="-lndi"

  3092. dshow_indev_deps="IBaseFilter"

  3093. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  3094. fbdev_indev_deps="linux_fb_h"

  3095. fbdev_outdev_deps="linux_fb_h"

  3096. gdigrab_indev_deps="CreateDIBSection"

  3097. gdigrab_indev_extralibs="-lgdi32"

  3098. gdigrab_indev_select="bmp_decoder"

  3099. iec61883_indev_deps="libiec61883"

  3100. jack_indev_deps="libjack"

  3101. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  3102. kmsgrab_indev_deps="libdrm"

  3103. lavfi_indev_deps="avfilter"

  3104. libcdio_indev_deps="libcdio"

  3105. libdc1394_indev_deps="libdc1394"

  3106. openal_indev_deps="openal"

  3107. opengl_outdev_deps="opengl"

  3108. oss_indev_deps_any="sys_soundcard_h"

  3109. oss_outdev_deps_any="sys_soundcard_h"

  3110. pulse_indev_deps="libpulse"

  3111. pulse_outdev_deps="libpulse"

  3112. sdl2_outdev_deps="sdl2"

  3113. sndio_indev_deps="sndio"

  3114. sndio_outdev_deps="sndio"

  3115. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  3116. v4l2_indev_suggest="libv4l2"

  3117. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  3118. v4l2_outdev_suggest="libv4l2"

  3119. vfwcap_indev_deps="vfw32 vfwcap_defines"

  3120. xcbgrab_indev_deps="libxcb"

  3121. xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"

  3122. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  3123. xv_outdev_extralibs="-lXv -lX11 -lXext"

  3124. 

  3125. # protocols

  3126. async_protocol_deps="threads"

  3127. bluray_protocol_deps="libbluray"

  3128. ffrtmpcrypt_protocol_conflict="librtmp_protocol"

  3129. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  3130. ffrtmpcrypt_protocol_select="tcp_protocol"

  3131. ffrtmphttp_protocol_conflict="librtmp_protocol"

  3132. ffrtmphttp_protocol_select="http_protocol"

  3133. ftp_protocol_select="tcp_protocol"

  3134. gopher_protocol_select="network"

  3135. http_protocol_select="tcp_protocol"

  3136. http_protocol_suggest="zlib"

  3137. httpproxy_protocol_select="tcp_protocol"

  3138. httpproxy_protocol_suggest="zlib"

  3139. https_protocol_select="tls_protocol"

  3140. https_protocol_suggest="zlib"

  3141. icecast_protocol_select="http_protocol"

  3142. librtmp_protocol_deps="librtmp"

  3143. librtmpe_protocol_deps="librtmp"

  3144. librtmps_protocol_deps="librtmp"

  3145. librtmpt_protocol_deps="librtmp"

  3146. librtmpte_protocol_deps="librtmp"

  3147. libsmbclient_protocol_deps="libsmbclient gplv3"

  3148. libssh_protocol_deps="libssh"

  3149. libtls_conflict="openssl gnutls"

  3150. mmsh_protocol_select="http_protocol"

  3151. mmst_protocol_select="network"

  3152. rtmp_protocol_conflict="librtmp_protocol"

  3153. rtmp_protocol_select="tcp_protocol"

  3154. rtmp_protocol_suggest="zlib"

  3155. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  3156. rtmpe_protocol_suggest="zlib"

  3157. rtmps_protocol_conflict="librtmp_protocol"

  3158. rtmps_protocol_select="tls_protocol"

  3159. rtmps_protocol_suggest="zlib"

  3160. rtmpt_protocol_select="ffrtmphttp_protocol"

  3161. rtmpt_protocol_suggest="zlib"

  3162. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  3163. rtmpte_protocol_suggest="zlib"

  3164. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  3165. rtmpts_protocol_suggest="zlib"

  3166. rtp_protocol_select="udp_protocol"

  3167. schannel_conflict="openssl gnutls libtls"

  3168. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  3169. sctp_protocol_select="network"

  3170. securetransport_conflict="openssl gnutls libtls"

  3171. srtp_protocol_select="rtp_protocol srtp"

  3172. tcp_protocol_select="network"

  3173. tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"

  3174. tls_protocol_select="tcp_protocol"

  3175. udp_protocol_select="network"

  3176. udplite_protocol_select="network"

  3177. unix_protocol_deps="sys_un_h"

  3178. unix_protocol_select="network"

  3179. 

  3180. # filters

  3181. afftfilt_filter_deps="avcodec"

  3182. afftfilt_filter_select="fft"

  3183. afir_filter_deps="avcodec"

  3184. afir_filter_select="fft"

  3185. amovie_filter_deps="avcodec avformat"

  3186. aresample_filter_deps="swresample"

  3187. ass_filter_deps="libass"

  3188. atempo_filter_deps="avcodec"

  3189. atempo_filter_select="rdft"

  3190. azmq_filter_deps="libzmq"

  3191. blackframe_filter_deps="gpl"

  3192. boxblur_filter_deps="gpl"

  3193. bs2b_filter_deps="libbs2b"

  3194. colormatrix_filter_deps="gpl"

  3195. coreimage_filter_deps="coreimage appkit"

  3196. coreimage_filter_extralibs="-framework OpenGL"

  3197. coreimagesrc_filter_deps="coreimage appkit"

  3198. coreimagesrc_filter_extralibs="-framework OpenGL"

  3199. cover_rect_filter_deps="avcodec avformat gpl"

  3200. cropdetect_filter_deps="gpl"

  3201. deinterlace_qsv_filter_deps="libmfx"

  3202. deinterlace_vaapi_filter_deps="vaapi"

  3203. delogo_filter_deps="gpl"

  3204. deshake_filter_select="pixelutils"

  3205. drawtext_filter_deps="libfreetype"

  3206. drawtext_filter_suggest="libfontconfig libfribidi"

  3207. elbg_filter_deps="avcodec"

  3208. eq_filter_deps="gpl"

  3209. fftfilt_filter_deps="avcodec"

  3210. fftfilt_filter_select="rdft"

  3211. find_rect_filter_deps="avcodec avformat gpl"

  3212. firequalizer_filter_deps="avcodec"

  3213. firequalizer_filter_select="rdft"

  3214. flite_filter_deps="libflite"

  3215. framerate_filter_select="pixelutils"

  3216. frei0r_filter_deps="frei0r libdl"

  3217. frei0r_src_filter_deps="frei0r libdl"

  3218. fspp_filter_deps="gpl"

  3219. geq_filter_deps="gpl"

  3220. histeq_filter_deps="gpl"

  3221. hqdn3d_filter_deps="gpl"

  3222. interlace_filter_deps="gpl"

  3223. kerndeint_filter_deps="gpl"

  3224. ladspa_filter_deps="ladspa libdl"

  3225. lv2_filter_deps="lv2"

  3226. mcdeint_filter_deps="avcodec gpl"

  3227. movie_filter_deps="avcodec avformat"

  3228. mpdecimate_filter_deps="gpl"

  3229. mpdecimate_filter_select="pixelutils"

  3230. mptestsrc_filter_deps="gpl"

  3231. negate_filter_deps="lut_filter"

  3232. nnedi_filter_deps="gpl"

  3233. ocr_filter_deps="libtesseract"

  3234. ocv_filter_deps="libopencv"

  3235. overlay_opencl_filter_deps="opencl"

  3236. overlay_qsv_filter_deps="libmfx"

  3237. overlay_qsv_filter_select="qsvvpp"

  3238. owdenoise_filter_deps="gpl"

  3239. pan_filter_deps="swresample"

  3240. perspective_filter_deps="gpl"

  3241. phase_filter_deps="gpl"

  3242. pp7_filter_deps="gpl"

  3243. pp_filter_deps="gpl postproc"

  3244. pullup_filter_deps="gpl"

  3245. removelogo_filter_deps="avcodec avformat swscale"

  3246. repeatfields_filter_deps="gpl"

  3247. resample_filter_deps="avresample"

  3248. rubberband_filter_deps="librubberband"

  3249. sab_filter_deps="gpl swscale"

  3250. scale2ref_filter_deps="swscale"

  3251. scale_filter_deps="swscale"

  3252. scale_qsv_filter_deps="libmfx"

  3253. select_filter_select="pixelutils"

  3254. showcqt_filter_deps="avcodec avformat swscale"

  3255. showcqt_filter_suggest="libfontconfig libfreetype"

  3256. showcqt_filter_select="fft"

  3257. showfreqs_filter_deps="avcodec"

  3258. showfreqs_filter_select="fft"

  3259. showspectrum_filter_deps="avcodec"

  3260. showspectrum_filter_select="fft"

  3261. showspectrumpic_filter_deps="avcodec"

  3262. showspectrumpic_filter_select="fft"

  3263. signature_filter_deps="gpl avcodec avformat"

  3264. smartblur_filter_deps="gpl swscale"

  3265. sofalizer_filter_deps="libmysofa avcodec"

  3266. sofalizer_filter_select="fft"

  3267. spectrumsynth_filter_deps="avcodec"

  3268. spectrumsynth_filter_select="fft"

  3269. spp_filter_deps="gpl avcodec"

  3270. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3271. stereo3d_filter_deps="gpl"

  3272. subtitles_filter_deps="avformat avcodec libass"

  3273. super2xsai_filter_deps="gpl"

  3274. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3275. tinterlace_filter_deps="gpl"

  3276. tinterlace_merge_test_deps="tinterlace_filter"

  3277. tinterlace_pad_test_deps="tinterlace_filter"

  3278. tonemap_filter_deps="const_nan"

  3279. unsharp_opencl_filter_deps="opencl"

  3280. uspp_filter_deps="gpl avcodec"

  3281. vaguedenoiser_filter_deps="gpl"

  3282. vidstabdetect_filter_deps="libvidstab"

  3283. vidstabtransform_filter_deps="libvidstab"

  3284. libvmaf_filter_deps="libvmaf"

  3285. zmq_filter_deps="libzmq"

  3286. zoompan_filter_deps="swscale"

  3287. zscale_filter_deps="libzimg const_nan"

  3288. scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3289. vpp_qsv_filter_deps="libmfx"

  3290. vpp_qsv_filter_select="qsvvpp"

  3291. 

  3292. # examples

  3293. avio_dir_cmd_deps="avformat avutil"

  3294. avio_reading_deps="avformat avcodec avutil"

  3295. decode_audio_example_deps="avcodec avutil"

  3296. decode_video_example_deps="avcodec avutil"

  3297. demuxing_decoding_example_deps="avcodec avformat avutil"

  3298. encode_audio_example_deps="avcodec avutil"

  3299. encode_video_example_deps="avcodec avutil"

  3300. extract_mvs_example_deps="avcodec avformat avutil"

  3301. filter_audio_example_deps="avfilter avutil"

  3302. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3303. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3304. http_multiclient_example_deps="avformat avutil fork"

  3305. hw_decode_example_deps="avcodec avformat avutil"

  3306. metadata_example_deps="avformat avutil"

  3307. muxing_example_deps="avcodec avformat avutil swscale"

  3308. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"

  3309. remuxing_example_deps="avcodec avformat avutil"

  3310. resampling_audio_example_deps="avutil swresample"

  3311. scaling_video_example_deps="avutil swscale"

  3312. transcode_aac_example_deps="avcodec avformat swresample"

  3313. transcoding_example_deps="avfilter avcodec avformat avutil"

  3314. vaapi_encode_example_deps="avcodec avutil"

  3315. 

  3316. # EXTRALIBS_LIST

  3317. cpu_init_extralibs="pthreads_extralibs"

  3318. cws2fws_extralibs="zlib_extralibs"

  3319. 

  3320. # libraries, in linking order

  3321. avcodec_deps="avutil"

  3322. avcodec_suggest="libm"

  3323. avcodec_select="null_bsf"

  3324. avdevice_deps="avformat avcodec avutil"

  3325. avdevice_suggest="libm"

  3326. avfilter_deps="avutil"

  3327. avfilter_suggest="libm"

  3328. avformat_deps="avcodec avutil"

  3329. avformat_suggest="libm network zlib"

  3330. avresample_deps="avutil"

  3331. avresample_suggest="libm"

  3332. avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"

  3333. postproc_deps="avutil gpl"

  3334. postproc_suggest="libm"

  3335. swresample_deps="avutil"

  3336. swresample_suggest="libm libsoxr"

  3337. swscale_deps="avutil"

  3338. swscale_suggest="libm"

  3339. 

  3340. avcodec_extralibs="pthreads_extralibs iconv_extralibs"

  3341. avfilter_extralibs="pthreads_extralibs"

  3342. avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"

  3343. 

  3344. # programs

  3345. ffmpeg_deps="avcodec avfilter avformat swresample"

  3346. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3347.                null_filter

  3348.                trim_filter"

  3349. ffmpeg_suggest="ole32 psapi shell32"

  3350. ffplay_deps="avcodec avformat swscale swresample sdl2"

  3351. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3352. ffplay_suggest="shell32"

  3353. ffprobe_deps="avcodec avformat"

  3354. ffprobe_suggest="shell32"

  3355. ffserver_deps="avformat fork sarestart"

  3356. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  3357. 

  3358. # documentation

  3359. podpages_deps="perl"

  3360. manpages_deps="perl pod2man"

  3361. htmlpages_deps="perl"

  3362. htmlpages_deps_any="makeinfo_html texi2html"

  3363. txtpages_deps="perl makeinfo"

  3364. doc_deps_any="manpages htmlpages podpages txtpages"

  3365. 

  3366. # default parameters

  3367. 

  3368. logfile="ffbuild/config.log"

  3369. 

  3370. # installation paths

  3371. prefix_default="/usr/local"

  3372. bindir_default='${prefix}/bin'

  3373. datadir_default='${prefix}/share/ffmpeg'

  3374. docdir_default='${prefix}/share/doc/ffmpeg'

  3375. incdir_default='${prefix}/include'

  3376. libdir_default='${prefix}/lib'

  3377. mandir_default='${prefix}/share/man'

  3378. 

  3379. # toolchain

  3380. ar_default="ar"

  3381. cc_default="gcc"

  3382. cxx_default="g++"

  3383. host_cc_default="gcc"

  3384. doxygen_default="doxygen"

  3385. install="install"

  3386. ln_s_default="ln -s -f"

  3387. nm_default="nm -g"

  3388. pkg_config_default=pkg-config

  3389. ranlib_default="ranlib"

  3390. strip_default="strip"

  3391. version_script='--version-script'

  3392. objformat="elf32"

  3393. x86asmexe_default="nasm"

  3394. windres_default="windres"

  3395. nvcc_default="nvcc"

  3396. nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"

  3397. striptype="direct"

  3398. 

  3399. # OS

  3400. target_os_default=$(tolower $(uname -s))

  3401. host_os=$target_os_default

  3402. 

  3403. # machine

  3404. if test "$target_os_default" = aix; then

  3405.     arch_default=$(uname -p)

  3406.     strip_default="strip -X32_64"

  3407. else

  3408.     arch_default=$(uname -m)

  3409. fi

  3410. cpu="generic"

  3411. intrinsics="none"

  3412. 

  3413. # configurable options

  3414. enable $PROGRAM_LIST

  3415. enable $DOCUMENT_LIST

  3416. enable $EXAMPLE_LIST

  3417. enable $(filter_out avresample $LIBRARY_LIST)

  3418. enable stripping

  3419. 

  3420. enable asm

  3421. enable debug

  3422. enable doc

  3423. enable faan faandct faanidct

  3424. enable optimizations

  3425. enable runtime_cpudetect

  3426. enable safe_bitstream_reader

  3427. enable static

  3428. enable swscale_alpha

  3429. enable valgrind_backtrace

  3430. 

  3431. sws_max_filter_size_default=256

  3432. set_default sws_max_filter_size

  3433. 

  3434. # internal components are enabled by default

  3435. enable $EXTRALIBS_LIST

  3436. 

  3437. # Avoid external, non-system, libraries getting enabled by dependency resolution

  3438. disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST

  3439. 

  3440. # build settings

  3441. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3442. LIBPREF="lib"

  3443. LIBSUF=".a"

  3444. FULLNAME='$(NAME)$(BUILDSUF)'

  3445. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3446. SLIBPREF="lib"

  3447. SLIBSUF=".so"

  3448. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3449. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3450. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3451. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3452. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3453. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3454. VERSION_SCRIPT_POSTPROCESS_CMD="cat"

  3455. 

  3456. asflags_filter=echo

  3457. cflags_filter=echo

  3458. ldflags_filter=echo

  3459. 

  3460. AS_C='-c'

  3461. AS_O='-o $@'

  3462. CC_C='-c'

  3463. CC_E='-E -o $@'

  3464. CC_O='-o $@'

  3465. CXX_C='-c'

  3466. CXX_O='-o $@'

  3467. OBJCC_C='-c'

  3468. OBJCC_E='-E -o $@'

  3469. OBJCC_O='-o $@'

  3470. X86ASM_O='-o $@'

  3471. LD_O='-o $@'

  3472. LD_LIB='-l%'

  3473. LD_PATH='-L'

  3474. HOSTCC_C='-c'

  3475. HOSTCC_E='-E -o $@'

  3476. HOSTCC_O='-o $@'

  3477. HOSTLD_O='-o $@'

  3478. NVCC_C='-c'

  3479. NVCC_O='-o $@'

  3480. 

  3481. host_extralibs='-lm'

  3482. host_cflags_filter=echo

  3483. host_ldflags_filter=echo

  3484. 

  3485. target_path='$(CURDIR)'

  3486. 

  3487. # since the object filename is not given with the -MM flag, the compiler

  3488. # is only able to print the basename, and we must add the path ourselves

  3489. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3490. DEPFLAGS='-MM'

  3491. 

  3492. mkdir -p ffbuild

  3493. 

  3494. # find source path

  3495. if test -f configure; then

  3496.     source_path=.

  3497. else

  3498.     source_path=$(cd $(dirname "$0"); pwd)

  3499.     case "$source_path" in

  3500.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3501.     esac

  3502.     test -e "$source_path/config.h" &&

  3503.         die "Out of tree builds are impossible with config.h in source dir."

  3504. fi

  3505. 

  3506. for v in "$@"; do

  3507.     r=${v#*=}

  3508.     l=${v%"$r"}

  3509.     r=$(sh_quote "$r")

  3510.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3511. done

  3512. 

  3513. find_things(){

  3514.     thing=$1

  3515.     pattern=$2

  3516.     file=$source_path/$3

  3517.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3518. }

  3519. 

  3520. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3521. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3522. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3523. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3524. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3525. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3526. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3527. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3528. 

  3529. find_things_extern(){

  3530.     thing=$1

  3531.     pattern=$2

  3532.     file=$source_path/$3

  3533.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3534. }

  3535. 

  3536. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3537. HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)

  3538. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3539. 

  3540. AVCODEC_COMPONENTS_LIST="

  3541.     $BSF_LIST

  3542.     $DECODER_LIST

  3543.     $ENCODER_LIST

  3544.     $HWACCEL_LIST

  3545.     $PARSER_LIST

  3546. "

  3547. 

  3548. AVDEVICE_COMPONENTS_LIST="

  3549.     $INDEV_LIST

  3550.     $OUTDEV_LIST

  3551. "

  3552. 

  3553. AVFILTER_COMPONENTS_LIST="

  3554.     $FILTER_LIST

  3555. "

  3556. 

  3557. AVFORMAT_COMPONENTS_LIST="

  3558.     $DEMUXER_LIST

  3559.     $MUXER_LIST

  3560.     $PROTOCOL_LIST

  3561. "

  3562. 

  3563. ALL_COMPONENTS="

  3564.     $AVCODEC_COMPONENTS_LIST

  3565.     $AVDEVICE_COMPONENTS_LIST

  3566.     $AVFILTER_COMPONENTS_LIST

  3567.     $AVFORMAT_COMPONENTS_LIST

  3568. "

  3569. 

  3570. for n in $COMPONENT_LIST; do

  3571.     v=$(toupper ${n%s})_LIST

  3572.     eval enable \$$v

  3573.     eval ${n}_if_any="\$$v"

  3574. done

  3575. 

  3576. enable $ARCH_EXT_LIST

  3577. 

  3578. die_unknown(){

  3579.     echo "Unknown option \"$1\"."

  3580.     echo "See $0 --help for available options."

  3581.     exit 1

  3582. }

  3583. 

  3584. print_in_columns() {

  3585.     cols=$(expr $ncols / 24)

  3586.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3587. }

  3588. 

  3589. show_list() {

  3590.     suffix=_$1

  3591.     shift

  3592.     echo $* | sed s/$suffix//g | print_in_columns

  3593.     exit 0

  3594. }

  3595. 

  3596. rand_list(){

  3597.     IFS=', '

  3598.     set -- $*

  3599.     unset IFS

  3600.     for thing; do

  3601.         comp=${thing%:*}

  3602.         prob=${thing#$comp}

  3603.         prob=${prob#:}

  3604.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3605.         echo "prob ${prob:-0.5}"

  3606.         printf '%s\n' $comp

  3607.     done

  3608. }

  3609. 

  3610. do_random(){

  3611.     action=$1

  3612.     shift

  3613.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3614.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3615. }

  3616. 

  3617. for opt do

  3618.     optval="${opt#*=}"

  3619.     case "$opt" in

  3620.         --extra-ldflags=*)

  3621.             add_ldflags $optval

  3622.         ;;

  3623.         --extra-ldexeflags=*)

  3624.             add_ldexeflags $optval

  3625.         ;;

  3626.         --extra-ldsoflags=*)

  3627.             add_ldsoflags $optval

  3628.         ;;

  3629.         --extra-ldlibflags=*)

  3630.             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\

  3631.                  "removed in the future. Use --extra-ldsoflags instead."

  3632.             add_ldsoflags $optval

  3633.         ;;

  3634.         --extra-libs=*)

  3635.             add_extralibs $optval

  3636.         ;;

  3637.         --disable-devices)

  3638.             disable $INDEV_LIST $OUTDEV_LIST

  3639.         ;;

  3640.         --enable-debug=*)

  3641.             debuglevel="$optval"

  3642.         ;;

  3643.         --disable-programs)

  3644.             disable $PROGRAM_LIST

  3645.         ;;

  3646.         --disable-everything)

  3647.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3648.         ;;

  3649.         --disable-all)

  3650.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3651.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3652.             enable avutil

  3653.         ;;

  3654.         --enable-random|--disable-random)

  3655.             action=${opt%%-random}

  3656.             do_random ${action#--} $COMPONENT_LIST

  3657.         ;;

  3658.         --enable-random=*|--disable-random=*)

  3659.             action=${opt%%-random=*}

  3660.             do_random ${action#--} $optval

  3661.         ;;

  3662.         --enable-sdl)

  3663.             enable sdl2

  3664.         ;;

  3665.         --enable-*=*|--disable-*=*)

  3666.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3667.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3668.             eval list=\$$(toupper $thing)_LIST

  3669.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3670.             list=$(filter "$name" $list)

  3671.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3672.             $action $list

  3673.         ;;

  3674.         --enable-yasm|--disable-yasm)

  3675.             warn "The ${opt} option is only provided for compatibility and will be\n"\

  3676.                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."

  3677.             test $opt = --enable-yasm && x86asm=yes || x86asm=no

  3678.         ;;

  3679.         --yasmexe=*)

  3680.             warn "The --yasmexe option is only provided for compatibility and will be\n"\

  3681.                  "removed in the future. Use --x86asmexe instead."

  3682.             x86asmexe="$optval"

  3683.         ;;

  3684.         --enable-?*|--disable-?*)

  3685.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3686.             if is_in $option $COMPONENT_LIST; then

  3687.                 test $action = disable && action=unset

  3688.                 eval $action \$$(toupper ${option%s})_LIST

  3689.             elif is_in $option $CMDLINE_SELECT; then

  3690.                 $action $option

  3691.             else

  3692.                 die_unknown $opt

  3693.             fi

  3694.         ;;

  3695.         --list-*)

  3696.             NAME="${opt#--list-}"

  3697.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3698.             NAME=${NAME%s}

  3699.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3700.         ;;

  3701.         --help|-h) show_help

  3702.         ;;

  3703.         --quiet|-q) quiet=yes

  3704.         ;;

  3705.         --fatal-warnings) enable fatal_warnings

  3706.         ;;

  3707.         --libfuzzer=*)

  3708.             libfuzzer_path="$optval"

  3709.         ;;

  3710.         *)

  3711.             optname="${opt%%=*}"

  3712.             optname="${optname#--}"

  3713.             optname=$(echo "$optname" | sed 's/-/_/g')

  3714.             if is_in $optname $CMDLINE_SET; then

  3715.                 eval $optname='$optval'

  3716.             elif is_in $optname $CMDLINE_APPEND; then

  3717.                 append $optname "$optval"

  3718.             else

  3719.                 die_unknown $opt

  3720.             fi

  3721.         ;;

  3722.     esac

  3723. done

  3724. 

  3725. for e in $env; do

  3726.     eval "export $e"

  3727. done

  3728. 

  3729. if disabled autodetect; then

  3730. 

  3731.     # Unless iconv is explicitely disabled by the user, we still want to probe

  3732.     # for the iconv from the libc.

  3733.     disabled iconv || enable libc_iconv

  3734. 

  3735.     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3736.     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3737. fi

  3738. # Mark specifically enabled, but normally autodetected libraries as requested.

  3739. for lib in $AUTODETECT_LIBS; do

  3740.     enabled $lib && request $lib

  3741. done

  3742. #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way

  3743. enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  3744. enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  3745. 

  3746. disabled logging && logfile=/dev/null

  3747. 

  3748. # command line configuration sanity checks

  3749. 

  3750. # we need to build at least one lib type

  3751. if ! enabled_any static shared; then

  3752.     cat <<EOF

  3753. At least one library type must be built.

  3754. Specify --enable-static to build the static libraries or --enable-shared to

  3755. build the shared libraries as well. To only build the shared libraries specify

  3756. --disable-static in addition to --enable-shared.

  3757. EOF

  3758.     exit 1

  3759. fi

  3760. 

  3761. die_license_disabled() {

  3762.     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }

  3763. }

  3764. 

  3765. die_license_disabled_gpl() {

  3766.     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }

  3767. }

  3768. 

  3769. map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3770. map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  3771. 

  3772. enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST

  3773. map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST

  3774. 

  3775. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  3776. 

  3777. enabled_all gnutls openssl &&

  3778.     die "GnuTLS and OpenSSL must not be enabled at the same time."

  3779. 

  3780. # Disable all the library-specific components if the library itself

  3781. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3782. 

  3783. disable_components(){

  3784.     disabled ${1} && disable $(

  3785.         eval components="\$$(toupper ${1})_COMPONENTS"

  3786.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3787.     )

  3788. }

  3789. 

  3790. map 'disable_components $v' $LIBRARY_LIST

  3791. 

  3792. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3793. set >> $logfile

  3794. 

  3795. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3796. 

  3797. enabled ossfuzz && {

  3798.     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer

  3799.     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp

  3800. }

  3801. 

  3802. case "$toolchain" in

  3803.     *-asan)

  3804.         cc_default="${toolchain%-asan}"

  3805.         add_cflags  -fsanitize=address

  3806.         add_ldflags -fsanitize=address

  3807.     ;;

  3808.     *-msan)

  3809.         cc_default="${toolchain%-msan}"

  3810.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  3811.         add_ldflags -fsanitize=memory

  3812.     ;;

  3813.     *-tsan)

  3814.         cc_default="${toolchain%-tsan}"

  3815.         add_cflags  -fsanitize=thread -fPIE

  3816.         add_ldflags -fsanitize=thread -pie

  3817.         case "$toolchain" in

  3818.             gcc-tsan)

  3819.                 add_cflags  -fPIC

  3820.                 add_ldflags -fPIC

  3821.                 ;;

  3822.         esac

  3823.     ;;

  3824.     *-usan)

  3825.         cc_default="${toolchain%-usan}"

  3826.         add_cflags  -fsanitize=undefined

  3827.         add_ldflags -fsanitize=undefined

  3828.     ;;

  3829.     valgrind-*)

  3830.         target_exec_default="valgrind"

  3831.         case "$toolchain" in

  3832.             valgrind-massif)

  3833.                 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"

  3834.                 ;;

  3835.             valgrind-memcheck)

  3836.                 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"

  3837.                 ;;

  3838.         esac

  3839.     ;;

  3840.     msvc)

  3841.         # Check whether the current MSVC version needs the C99 converter.

  3842.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3843.         # support enough of C99 to build ffmpeg. Default to the new

  3844.         # behaviour if the regexp was unable to match anything, since this

  3845.         # successfully parses the version number of existing supported

  3846.         # versions that require the converter (MSVC 2010 and 2012).

  3847.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3848.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3849.             cc_default="cl"

  3850.             cxx_default="cl"

  3851.         else

  3852.             cc_default="c99wrap cl"

  3853.             cxx_default="c99wrap cl"

  3854.         fi

  3855.         ld_default="$source_path/compat/windows/mslink"

  3856.         nm_default="dumpbin -symbols"

  3857.         ar_default="lib"

  3858.         case "$arch" in

  3859.         aarch64|arm64)

  3860.             as_default="armasm64"

  3861.             ;;

  3862.         arm*)

  3863.             as_default="armasm"

  3864.             ;;

  3865.         esac

  3866.         target_os_default="win32"

  3867.         # Use a relative path for TMPDIR. This makes sure all the

  3868.         # ffconf temp files are written with a relative path, avoiding

  3869.         # issues with msys/win32 path conversion for MSVC parameters

  3870.         # such as -Fo<file> or -out:<file>.

  3871.         TMPDIR=.

  3872.     ;;

  3873.     icl)

  3874.         cc_default="icl"

  3875.         ld_default="xilink"

  3876.         nm_default="dumpbin -symbols"

  3877.         ar_default="xilib"

  3878.         target_os_default="win32"

  3879.         TMPDIR=.

  3880.     ;;

  3881.     gcov)

  3882.         add_cflags  -fprofile-arcs -ftest-coverage

  3883.         add_ldflags -fprofile-arcs -ftest-coverage

  3884.     ;;

  3885.     llvm-cov)

  3886.         add_cflags -fprofile-arcs -ftest-coverage

  3887.         add_ldflags --coverage

  3888.     ;;

  3889.     hardened)

  3890.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3891.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3892.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3893.         add_cflags   -fPIE

  3894.         add_ldexeflags -fPIE -pie

  3895.     ;;

  3896.     ?*)

  3897.         die "Unknown toolchain $toolchain"

  3898.     ;;

  3899. esac

  3900. 

  3901. if test -n "$cross_prefix"; then

  3902.     test -n "$arch" && test -n "$target_os" ||

  3903.         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"

  3904.     enable cross_compile

  3905. fi

  3906. 

  3907. ar_default="${cross_prefix}${ar_default}"

  3908. cc_default="${cross_prefix}${cc_default}"

  3909. cxx_default="${cross_prefix}${cxx_default}"

  3910. nm_default="${cross_prefix}${nm_default}"

  3911. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3912. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3913.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3914. else

  3915.     ranlib_default="${cross_prefix}${ranlib_default}"

  3916. fi

  3917. strip_default="${cross_prefix}${strip_default}"

  3918. windres_default="${cross_prefix}${windres_default}"

  3919. 

  3920. sysinclude_default="${sysroot}/usr/include"

  3921. 

  3922. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3923.     target_exec target_os x86asmexe nvcc

  3924. enabled cross_compile || host_cc_default=$cc

  3925. set_default host_cc

  3926. 

  3927. pkg_config_fail_message=""

  3928. if ! $pkg_config --version >/dev/null 2>&1; then

  3929.     warn "$pkg_config not found, library detection may fail."

  3930.     pkg_config=false

  3931. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3932.     pkg_config_fail_message="

  3933. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3934. fi

  3935. 

  3936. if test $doxygen != $doxygen_default && \

  3937.   ! $doxygen --version >/dev/null 2>&1; then

  3938.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3939. fi

  3940. 

  3941. exesuf() {

  3942.     case $1 in

  3943.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3944.     esac

  3945. }

  3946. 

  3947. EXESUF=$(exesuf $target_os)

  3948. HOSTEXESUF=$(exesuf $host_os)

  3949. 

  3950. # set temporary file name

  3951. : ${TMPDIR:=$TEMPDIR}

  3952. : ${TMPDIR:=$TMP}

  3953. : ${TMPDIR:=/tmp}

  3954. 

  3955. if [ -n "$tempprefix" ] ; then

  3956.     mktemp(){

  3957.         tmpname="$tempprefix.${HOSTNAME}.${UID}"

  3958.         echo "$tmpname"

  3959.         mkdir "$tmpname"

  3960.     }

  3961. elif ! check_cmd mktemp -u XXXXXX; then

  3962.     # simple replacement for missing mktemp

  3963.     # NOT SAFE FOR GENERAL USE

  3964.     mktemp(){

  3965.         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3966.         echo "$tmpname"

  3967.         mkdir "$tmpname"

  3968.     }

  3969. fi

  3970. 

  3971. FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||

  3972.     die "Unable to create temporary directory in $TMPDIR."

  3973. 

  3974. tmpfile(){

  3975.     tmp="${FFTMPDIR}/test"$2

  3976.     (set -C; exec > $tmp) 2> /dev/null ||

  3977.         die "Unable to create temporary file in $FFTMPDIR."

  3978.     eval $1=$tmp

  3979. }

  3980. 

  3981. trap 'rm -rf -- "$FFTMPDIR"' EXIT

  3982. trap 'exit 2' INT

  3983. 

  3984. tmpfile TMPASM .asm

  3985. tmpfile TMPC   .c

  3986. tmpfile TMPCPP .cpp

  3987. tmpfile TMPE   $EXESUF

  3988. tmpfile TMPH   .h

  3989. tmpfile TMPM   .m

  3990. tmpfile TMPO   .o

  3991. tmpfile TMPS   .S

  3992. tmpfile TMPSH  .sh

  3993. tmpfile TMPV   .ver

  3994. 

  3995. unset -f mktemp

  3996. 

  3997. chmod +x $TMPE

  3998. 

  3999. # make sure we can execute files in $TMPDIR

  4000. cat > $TMPSH 2>> $logfile <<EOF

  4001. #! /bin/sh

  4002. EOF

  4003. chmod +x $TMPSH >> $logfile 2>&1

  4004. if ! $TMPSH >> $logfile 2>&1; then

  4005.     cat <<EOF

  4006. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  4007. variable to another directory and make sure that it is not mounted noexec.

  4008. EOF

  4009.     die "Sanity test failed."

  4010. fi

  4011. 

  4012. armasm_flags(){

  4013.     for flag; do

  4014.         case $flag in

  4015.             # Filter out MSVC cl.exe options from cflags that shouldn't

  4016.             # be passed to gas-preprocessor

  4017.             -M[TD]*)                                            ;;

  4018.             *)                  echo $flag                      ;;

  4019.         esac

  4020.    done

  4021. }

  4022. 

  4023. cparser_flags(){

  4024.     for flag; do

  4025.         case $flag in

  4026.             -Wno-switch)             echo -Wno-switch-enum ;;

  4027.             -Wno-format-zero-length) ;;

  4028.             -Wdisabled-optimization) ;;

  4029.             -Wno-pointer-sign)       echo -Wno-other ;;

  4030.             *)                       echo $flag ;;

  4031.         esac

  4032.     done

  4033. }

  4034. 

  4035. msvc_common_flags(){

  4036.     for flag; do

  4037.         case $flag in

  4038.             # In addition to specifying certain flags under the compiler

  4039.             # specific filters, they must be specified here as well or else the

  4040.             # generic catch all at the bottom will print the original flag.

  4041.             -Wall)                ;;

  4042.             -Wextra)              ;;

  4043.             -std=c99)             ;;

  4044.             # Common flags

  4045.             -fomit-frame-pointer) ;;

  4046.             -g)                   echo -Z7 ;;

  4047.             -fno-math-errno)      ;;

  4048.             -fno-common)          ;;

  4049.             -fno-signed-zeros)    ;;

  4050.             -fPIC)                ;;

  4051.             -mthumb)              ;;

  4052.             -march=*)             ;;

  4053.             -lz)                  echo zlib.lib ;;

  4054.             -lx264)               echo libx264.lib ;;

  4055.             -lstdc++)             ;;

  4056.             -l*)                  echo ${flag#-l}.lib ;;

  4057.             -LARGEADDRESSAWARE)   echo $flag ;;

  4058.             -L*)                  echo -libpath:${flag#-L} ;;

  4059.             *)                    echo $flag ;;

  4060.         esac

  4061.     done

  4062. }

  4063. 

  4064. msvc_flags(){

  4065.     msvc_common_flags "$@"

  4066.     for flag; do

  4067.         case $flag in

  4068.             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \

  4069.                                        -wd4554 ;;

  4070.             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  4071.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  4072.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  4073.                                        -wd4307 \

  4074.                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;

  4075.         esac

  4076.     done

  4077. }

  4078. 

  4079. icl_flags(){

  4080.     msvc_common_flags "$@"

  4081.     for flag; do

  4082.         case $flag in

  4083.             # Despite what Intel's documentation says -Wall, which is supported

  4084.             # on Windows, does enable remarks so disable them here.

  4085.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  4086.             -std=c99)             echo -Qstd=c99 ;;

  4087.             -flto)                echo -ipo ;;

  4088.         esac

  4089.     done

  4090. }

  4091. 

  4092. icc_flags(){

  4093.     for flag; do

  4094.         case $flag in

  4095.             -flto)                echo -ipo ;;

  4096.             *)                    echo $flag ;;

  4097.         esac

  4098.     done

  4099. }

  4100. 

  4101. suncc_flags(){

  4102.     for flag; do

  4103.         case $flag in

  4104.             -march=*|-mcpu=*)

  4105.                 case "${flag#*=}" in

  4106.                     native)                   echo -xtarget=native       ;;

  4107.                     v9|niagara)               echo -xarch=sparc          ;;

  4108.                     ultrasparc)               echo -xarch=sparcvis       ;;

  4109.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  4110.                     i586|pentium)             echo -xchip=pentium        ;;

  4111.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  4112.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  4113.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  4114.                     pentium4*)          echo -xtarget=pentium4           ;;

  4115.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  4116.                     *-sse3)             echo -xarch=sse3                 ;;

  4117.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  4118.                     bonnell)                   echo -xarch=ssse3         ;;

  4119.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  4120.                     westmere)                  echo -xtarget=westmere    ;;

  4121.                     silvermont)                echo -xarch=sse4_2        ;;

  4122.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  4123.                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)

  4124.                                                echo -xarch=avx           ;;

  4125.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  4126.                     btver1)                    echo -xarch=amdsse4a      ;;

  4127.                     btver2|bdver*|znver*)      echo -xarch=avx           ;;

  4128.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  4129.                     k8|opteron|athlon64|athlon-fx)

  4130.                                                echo -xarch=sse2a         ;;

  4131.                     athlon*)                   echo -xarch=pentium_proa  ;;

  4132.                 esac

  4133.                 ;;

  4134.             -std=c99)             echo -xc99              ;;

  4135.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  4136.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  4137.             -W*,*)                echo $flag              ;;

  4138.             -f*-*|-W*|-mimpure-text)                      ;;

  4139.             -shared)              echo -G                 ;;

  4140.             *)                    echo $flag              ;;

  4141.         esac

  4142.     done

  4143. }

  4144. 

  4145. probe_cc(){

  4146.     pfx=$1

  4147.     _cc=$2

  4148.     first=$3

  4149. 

  4150.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  4151.     unset _ld_o _ldflags _ld_lib _ld_path

  4152.     unset _depflags _DEPCMD _DEPFLAGS

  4153.     _flags_filter=echo

  4154. 

  4155.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  4156.         true # no-op to avoid reading stdin in following checks

  4157.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  4158.         _type=llvm_gcc

  4159.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  4160.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  4161.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4162.         _cflags_speed='-O3'

  4163.         _cflags_size='-Os'

  4164.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  4165.         _type=gcc

  4166.         gcc_version=$($_cc --version | head -n1)

  4167.         gcc_basever=$($_cc -dumpversion)

  4168.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  4169.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  4170.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  4171.         case $gcc_basever in

  4172.             2) ;;

  4173.             2.*) ;;

  4174.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  4175.         esac

  4176.         if [ "$first" = true ]; then

  4177.             case $gcc_basever in

  4178.                 4.2*)

  4179.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  4180.             esac

  4181.         fi

  4182.         _cflags_speed='-O3'

  4183.         _cflags_size='-Os'

  4184.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  4185.         _type=icc

  4186.         _ident=$($_cc --version | head -n1)

  4187.         _depflags='-MMD'

  4188.         _cflags_speed='-O3'

  4189.         _cflags_size='-Os'

  4190.         _cflags_noopt='-O1'

  4191.         _flags_filter=icc_flags

  4192.     elif $_cc -v 2>&1 | grep -q xlc; then

  4193.         _type=xlc

  4194.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  4195.         _cflags_speed='-O5'

  4196.         _cflags_size='-O5 -qcompact'

  4197.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  4198.         test -d "$sysroot" || die "No valid sysroot specified."

  4199.         _type=armcc

  4200.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  4201.         armcc_conf="$PWD/armcc.conf"

  4202.         $_cc --arm_linux_configure                 \

  4203.              --arm_linux_config_file="$armcc_conf" \

  4204.              --configure_sysroot="$sysroot"        \

  4205.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  4206.              die "Error creating armcc configuration file."

  4207.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  4208.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  4209.         as_default="${cross_prefix}gcc"

  4210.         _depflags='-MMD'

  4211.         _cflags_speed='-O3'

  4212.         _cflags_size='-Os'

  4213.     elif $_cc -v 2>&1 | grep -q clang; then

  4214.         _type=clang

  4215.         _ident=$($_cc --version 2>/dev/null | head -n1)

  4216.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4217.         _cflags_speed='-O3'

  4218.         _cflags_size='-Oz'

  4219.     elif $_cc -V 2>&1 | grep -q Sun; then

  4220.         _type=suncc

  4221.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  4222.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  4223.         _DEPFLAGS='-xM1 -xc99'

  4224.         _ldflags='-std=c99'

  4225.         _cflags_speed='-O5'

  4226.         _cflags_size='-O5 -xspace'

  4227.         _flags_filter=suncc_flags

  4228.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  4229.         _type=pathscale

  4230.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4231.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4232.         _cflags_speed='-O2'

  4233.         _cflags_size='-Os'

  4234.         _flags_filter='filter_out -Wdisabled-optimization'

  4235.     elif $_cc -v 2>&1 | grep -q Open64; then

  4236.         _type=open64

  4237.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4238.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4239.         _cflags_speed='-O2'

  4240.         _cflags_size='-Os'

  4241.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  4242.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  4243.         _type=armasm

  4244.         _ident=$($_cc | head -n1)

  4245.         # 4509: "This form of conditional instruction is deprecated"

  4246.         _flags="-nologo -ignore 4509"

  4247.         _flags_filter=armasm_flags

  4248.     elif $_cc 2>&1 | grep -q Intel; then

  4249.         _type=icl

  4250.         _ident=$($_cc 2>&1 | head -n1)

  4251.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  4252.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  4253.         # versions (tested) as well.

  4254.         _cflags_speed="-O2"

  4255.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  4256.         if $_cc 2>&1 | grep -q Linker; then

  4257.             _ld_o='-out:$@'

  4258.         else

  4259.             _ld_o='-Fe$@'

  4260.         fi

  4261.         _cc_o='-Fo$@'

  4262.         _cc_e='-P'

  4263.         _flags_filter=icl_flags

  4264.         _ld_lib='lib%.a'

  4265.         _ld_path='-libpath:'

  4266.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  4267.         _flags='-nologo -Qdiag-error:4044,10157'

  4268.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  4269.         # with MSVC which enables it by default.

  4270.         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  4271.         disable stripping

  4272.     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then

  4273.         # lld can emulate multiple different linkers; in ms link.exe mode,

  4274.         # the -? parameter gives the help output which contains an identifyable

  4275.         # string, while it gives an error in other modes.

  4276.         _type=lld-link

  4277.         # The link.exe mode doesn't have a switch for getting the version,

  4278.         # but we can force it back to gnu mode and get the version from there.

  4279.         _ident=$($_cc -flavor gnu --version 2>/dev/null)

  4280.         _ld_o='-out:$@'

  4281.         _flags_filter=msvc_flags

  4282.         _ld_lib='lib%.a'

  4283.         _ld_path='-libpath:'

  4284.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  4285.         _type=msvc

  4286.         _ident=$($_cc 2>&1 | head -n1)

  4287.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  4288.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  4289.         _cflags_speed="-O2"

  4290.         _cflags_size="-O1"

  4291.         _cflags_noopt="-O1"

  4292.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4293.             _ld_o='-out:$@'

  4294.         else

  4295.             _ld_o='-Fe$@'

  4296.         fi

  4297.         _cc_o='-Fo$@'

  4298.         _cc_e='-P -Fi$@'

  4299.         _flags_filter=msvc_flags

  4300.         _ld_lib='lib%.a'

  4301.         _ld_path='-libpath:'

  4302.         _flags='-nologo'

  4303.         disable stripping

  4304.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4305.         _type=cparser

  4306.         _ident=$($_cc --version | head -n1)

  4307.         _depflags='-MMD'

  4308.         _cflags_speed='-O4'

  4309.         _cflags_size='-O2'

  4310.         _flags_filter=cparser_flags

  4311.     fi

  4312. 

  4313.     eval ${pfx}_type=\$_type

  4314.     eval ${pfx}_ident=\$_ident

  4315. }

  4316. 

  4317. set_ccvars(){

  4318.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4319.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4320.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4321. 

  4322.     if [ -n "$_depflags" ]; then

  4323.         eval ${1}_DEPFLAGS=\$_depflags

  4324.     else

  4325.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4326.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4327.         eval DEP${1}FLAGS=\$_flags

  4328.     fi

  4329. }

  4330. 

  4331. probe_cc cc "$cc" "true"

  4332. cflags_filter=$_flags_filter

  4333. cflags_speed=$_cflags_speed

  4334. cflags_size=$_cflags_size

  4335. cflags_noopt=$_cflags_noopt

  4336. add_cflags $_flags $_cflags

  4337. cc_ldflags=$_ldflags

  4338. set_ccvars CC

  4339. set_ccvars CXX

  4340. 

  4341. probe_cc hostcc "$host_cc"

  4342. host_cflags_filter=$_flags_filter

  4343. host_cflags_speed=$_cflags_speed

  4344. add_host_cflags  $_flags $_cflags

  4345. set_ccvars HOSTCC

  4346. 

  4347. test -n "$cc_type" && enable $cc_type ||

  4348.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4349. 

  4350. : ${as_default:=$cc}

  4351. : ${objcc_default:=$cc}

  4352. : ${dep_cc_default:=$cc}

  4353. : ${ld_default:=$cc}

  4354. : ${host_ld_default:=$host_cc}

  4355. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4356. 

  4357. probe_cc as "$as"

  4358. asflags_filter=$_flags_filter

  4359. add_asflags $_flags $_cflags

  4360. set_ccvars AS

  4361. 

  4362. probe_cc objcc "$objcc"

  4363. objcflags_filter=$_flags_filter

  4364. add_objcflags $_flags $_cflags

  4365. set_ccvars OBJC

  4366. 

  4367. probe_cc ld "$ld"

  4368. ldflags_filter=$_flags_filter

  4369. add_ldflags $_flags $_ldflags

  4370. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4371. LD_O=${_ld_o-$LD_O}

  4372. LD_LIB=${_ld_lib-$LD_LIB}

  4373. LD_PATH=${_ld_path-$LD_PATH}

  4374. 

  4375. probe_cc hostld "$host_ld"

  4376. host_ldflags_filter=$_flags_filter

  4377. add_host_ldflags $_flags $_ldflags

  4378. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4379. 

  4380. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4381.     probe_cc depcc "$dep_cc"

  4382.     CCDEP=${_DEPCMD:-$DEPCMD}

  4383.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4384.     DEPCCFLAGS=$_flags

  4385. fi

  4386. 

  4387. if $ar 2>&1 | grep -q Microsoft; then

  4388.     arflags="-nologo"

  4389.     ar_o='-out:$@'

  4390. elif $ar 2>&1 | grep -q "\[D\] "; then

  4391.     arflags="rcD"

  4392.     ar_o='$@'

  4393. else

  4394.     arflags="rc"

  4395.     ar_o='$@'

  4396. fi

  4397. 

  4398. add_cflags $extra_cflags

  4399. add_cxxflags $extra_cxxflags

  4400. add_objcflags $extra_objcflags

  4401. add_asflags $extra_cflags

  4402. 

  4403. if test -n "$sysroot"; then

  4404.     case "$cc_type" in

  4405.         gcc|llvm_gcc|clang)

  4406.             add_cppflags --sysroot="$sysroot"

  4407.             add_ldflags --sysroot="$sysroot"

  4408.         ;;

  4409.     esac

  4410. fi

  4411. 

  4412. if test "$cpu" = host; then

  4413.     enabled cross_compile &&

  4414.         die "--cpu=host makes no sense when cross-compiling."

  4415. 

  4416.     case "$cc_type" in

  4417.         gcc|llvm_gcc)

  4418.             check_native(){

  4419.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4420.                 sed -n "/cc1.*$1=/{

  4421.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4422.                             p

  4423.                             q

  4424.                         }" $TMPE

  4425.             }

  4426.             cpu=$(check_native -march || check_native -mcpu)

  4427.         ;;

  4428.         clang)

  4429.             check_native(){

  4430.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4431.                 sed -n "/cc1.*-target-cpu /{

  4432.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4433.                             p

  4434.                             q

  4435.                         }" $TMPE

  4436.             }

  4437.             cpu=$(check_native -march)

  4438.         ;;

  4439.     esac

  4440. 

  4441.     test "${cpu:-host}" = host &&

  4442.         die "--cpu=host not supported with compiler $cc"

  4443. fi

  4444. 

  4445. # Deal with common $arch aliases

  4446. case "$arch" in

  4447.     aarch64|arm64)

  4448.         arch="aarch64"

  4449.     ;;

  4450.     arm*|iPad*|iPhone*)

  4451.         arch="arm"

  4452.     ;;

  4453.     mips*|IP*)

  4454.         case "$arch" in

  4455.         *el)

  4456.             add_cppflags -EL

  4457.             add_ldflags -EL

  4458.         ;;

  4459.         *eb)

  4460.             add_cppflags -EB

  4461.             add_ldflags -EB

  4462.         ;;

  4463.         esac

  4464.         arch="mips"

  4465.     ;;

  4466.     parisc*|hppa*)

  4467.         arch="parisc"

  4468.     ;;

  4469.     "Power Macintosh"|ppc*|powerpc*)

  4470.         arch="ppc"

  4471.     ;;

  4472.     s390|s390x)

  4473.         arch="s390"

  4474.     ;;

  4475.     sh4|sh)

  4476.         arch="sh4"

  4477.     ;;

  4478.     sun4*|sparc*)

  4479.         arch="sparc"

  4480.     ;;

  4481.     tilegx|tile-gx)

  4482.         arch="tilegx"

  4483.     ;;

  4484.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4485.         arch="x86"

  4486.     ;;

  4487. esac

  4488. 

  4489. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4490. enable $arch

  4491. 

  4492. # Add processor-specific flags

  4493. if enabled aarch64; then

  4494. 

  4495.     case $cpu in

  4496.         armv*)

  4497.             cpuflags="-march=$cpu"

  4498.         ;;

  4499.         *)

  4500.             cpuflags="-mcpu=$cpu"

  4501.         ;;

  4502.     esac

  4503. 

  4504. elif enabled alpha; then

  4505. 

  4506.     cpuflags="-mcpu=$cpu"

  4507. 

  4508. elif enabled arm; then

  4509. 

  4510.     check_arm_arch() {

  4511.         check_cpp_condition stddef.h \

  4512.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4513.             $cpuflags

  4514.     }

  4515. 

  4516.     probe_arm_arch() {

  4517.         if   check_arm_arch 4;        then echo armv4

  4518.         elif check_arm_arch 4T;       then echo armv4t

  4519.         elif check_arm_arch 5;        then echo armv5

  4520.         elif check_arm_arch 5E;       then echo armv5e

  4521.         elif check_arm_arch 5T;       then echo armv5t

  4522.         elif check_arm_arch 5TE;      then echo armv5te

  4523.         elif check_arm_arch 5TEJ;     then echo armv5te

  4524.         elif check_arm_arch 6;        then echo armv6

  4525.         elif check_arm_arch 6J;       then echo armv6j

  4526.         elif check_arm_arch 6K;       then echo armv6k

  4527.         elif check_arm_arch 6Z;       then echo armv6z

  4528.         elif check_arm_arch 6KZ;      then echo armv6zk

  4529.         elif check_arm_arch 6ZK;      then echo armv6zk

  4530.         elif check_arm_arch 6T2;      then echo armv6t2

  4531.         elif check_arm_arch 7;        then echo armv7

  4532.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4533.         elif check_arm_arch 7S;       then echo armv7-a

  4534.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4535.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4536.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4537.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4538.         fi

  4539.     }

  4540. 

  4541.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4542. 

  4543.     case $cpu in

  4544.         armv*)

  4545.             cpuflags="-march=$cpu"

  4546.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4547.         ;;

  4548.         *)

  4549.             cpuflags="-mcpu=$cpu"

  4550.             case $cpu in

  4551.                 cortex-a*)                               subarch=armv7a  ;;

  4552.                 cortex-r*)                               subarch=armv7r  ;;

  4553.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4554.                 arm11*)                                  subarch=armv6   ;;

  4555.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4556.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4557.                 *)                             subarch=$(probe_arm_arch) ;;

  4558.             esac

  4559.         ;;

  4560.     esac

  4561. 

  4562.     case "$subarch" in

  4563.         armv5t*)    enable fast_clz                ;;

  4564.         armv[6-8]*)

  4565.             enable fast_clz

  4566.             disabled fast_unaligned || enable fast_unaligned

  4567.             ;;

  4568.     esac

  4569. 

  4570. elif enabled avr32; then

  4571. 

  4572.     case $cpu in

  4573.         ap7[02]0[0-2])

  4574.             subarch="avr32_ap"

  4575.             cpuflags="-mpart=$cpu"

  4576.         ;;

  4577.         ap)

  4578.             subarch="avr32_ap"

  4579.             cpuflags="-march=$cpu"

  4580.         ;;

  4581.         uc3[ab]*)

  4582.             subarch="avr32_uc"

  4583.             cpuflags="-mcpu=$cpu"

  4584.         ;;

  4585.         uc)

  4586.             subarch="avr32_uc"

  4587.             cpuflags="-march=$cpu"

  4588.         ;;

  4589.     esac

  4590. 

  4591. elif enabled bfin; then

  4592. 

  4593.     cpuflags="-mcpu=$cpu"

  4594. 

  4595. elif enabled mips; then

  4596. 

  4597.     cpuflags="-march=$cpu"

  4598. 

  4599.     if [ "$cpu" != "generic" ]; then

  4600.         disable mips32r2

  4601.         disable mips32r5

  4602.         disable mips64r2

  4603.         disable mips32r6

  4604.         disable mips64r6

  4605.         disable loongson2

  4606.         disable loongson3

  4607. 

  4608.         case $cpu in

  4609.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4610.                 enable mips32r2

  4611.                 disable msa

  4612.             ;;

  4613.             p5600|i6400|p6600)

  4614.                 disable mipsdsp

  4615.                 disable mipsdspr2

  4616.             ;;

  4617.             loongson*)

  4618.                 enable loongson2

  4619.                 enable loongson3

  4620.                 enable local_aligned

  4621.                 enable simd_align_16

  4622.                 enable fast_64bit

  4623.                 enable fast_clz

  4624.                 enable fast_cmov

  4625.                 enable fast_unaligned

  4626.                 disable aligned_stack

  4627.                 disable mipsfpu

  4628.                 disable mipsdsp

  4629.                 disable mipsdspr2

  4630.                 case $cpu in

  4631.                     loongson3*)

  4632.                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4633.                     ;;

  4634.                     loongson2e)

  4635.                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4636.                     ;;

  4637.                     loongson2f)

  4638.                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4639.                     ;;

  4640.                 esac

  4641.             ;;

  4642.             *)

  4643.                 # Unknown CPU. Disable everything.

  4644.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4645.                 disable mipsfpu

  4646.                 disable mipsdsp

  4647.                 disable mipsdspr2

  4648.                 disable msa

  4649.                 disable mmi

  4650.             ;;

  4651.         esac

  4652. 

  4653.         case $cpu in

  4654.             24kc)

  4655.                 disable mipsfpu

  4656.                 disable mipsdsp

  4657.                 disable mipsdspr2

  4658.             ;;

  4659.             24kf*)

  4660.                 disable mipsdsp

  4661.                 disable mipsdspr2

  4662.             ;;

  4663.             24kec|34kc|1004kc)

  4664.                 disable mipsfpu

  4665.                 disable mipsdspr2

  4666.             ;;

  4667.             24kef*|34kf*|1004kf*)

  4668.                 disable mipsdspr2

  4669.             ;;

  4670.             74kc)

  4671.                 disable mipsfpu

  4672.             ;;

  4673.             p5600)

  4674.                 enable mips32r5

  4675.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4676.             ;;

  4677.             i6400)

  4678.                 enable mips64r6

  4679.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4680.             ;;

  4681.             p6600)

  4682.                 enable mips64r6

  4683.                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4684.             ;;

  4685.         esac

  4686.     else

  4687.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4688.         warn 'generic cpu selected'

  4689.     fi

  4690. 

  4691. elif enabled ppc; then

  4692. 

  4693.     disable ldbrx

  4694. 

  4695.     case $(tolower $cpu) in

  4696.         601|ppc601|powerpc601)

  4697.             cpuflags="-mcpu=601"

  4698.             disable altivec

  4699.         ;;

  4700.         603*|ppc603*|powerpc603*)

  4701.             cpuflags="-mcpu=603"

  4702.             disable altivec

  4703.         ;;

  4704.         604*|ppc604*|powerpc604*)

  4705.             cpuflags="-mcpu=604"

  4706.             disable altivec

  4707.         ;;

  4708.         g3|75*|ppc75*|powerpc75*)

  4709.             cpuflags="-mcpu=750"

  4710.             disable altivec

  4711.         ;;

  4712.         g4|745*|ppc745*|powerpc745*)

  4713.             cpuflags="-mcpu=7450"

  4714.             disable vsx

  4715.         ;;

  4716.         74*|ppc74*|powerpc74*)

  4717.             cpuflags="-mcpu=7400"

  4718.             disable vsx

  4719.         ;;

  4720.         g5|970|ppc970|powerpc970)

  4721.             cpuflags="-mcpu=970"

  4722.             disable vsx

  4723.         ;;

  4724.         power[3-6]*)

  4725.             cpuflags="-mcpu=$cpu"

  4726.             disable vsx

  4727.         ;;

  4728.         power[7-8]*)

  4729.             cpuflags="-mcpu=$cpu"

  4730.         ;;

  4731.         cell)

  4732.             cpuflags="-mcpu=cell"

  4733.             enable ldbrx

  4734.             disable vsx

  4735.         ;;

  4736.         e500mc)

  4737.             cpuflags="-mcpu=e500mc"

  4738.             disable altivec

  4739.         ;;

  4740.         e500v2)

  4741.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4742.             disable altivec

  4743.             disable dcbzl

  4744.         ;;

  4745.         e500)

  4746.             cpuflags="-mcpu=8540 -mhard-float"

  4747.             disable altivec

  4748.             disable dcbzl

  4749.         ;;

  4750.     esac

  4751. 

  4752. elif enabled sparc; then

  4753. 

  4754.     case $cpu in

  4755.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4756.             cpuflags="-mcpu=$cpu"

  4757.         ;;

  4758.         ultrasparc*|niagara[234])

  4759.             cpuflags="-mcpu=$cpu"

  4760.         ;;

  4761.     esac

  4762. 

  4763. elif enabled x86; then

  4764. 

  4765.     case $cpu in

  4766.         i[345]86|pentium)

  4767.             cpuflags="-march=$cpu"

  4768.             disable i686

  4769.             disable mmx

  4770.         ;;

  4771.         # targets that do NOT support nopl and conditional mov (cmov)

  4772.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4773.             cpuflags="-march=$cpu"

  4774.             disable i686

  4775.         ;;

  4776.         # targets that do support nopl and conditional mov (cmov)

  4777.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4778.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\

  4779.         |amdfam10|barcelona|b[dt]ver*|znver*)

  4780.             cpuflags="-march=$cpu"

  4781.             enable i686

  4782.             enable fast_cmov

  4783.         ;;

  4784.         # targets that do support conditional mov but on which it's slow

  4785.         pentium4|pentium4m|prescott|nocona)

  4786.             cpuflags="-march=$cpu"

  4787.             enable i686

  4788.             disable fast_cmov

  4789.         ;;

  4790.     esac

  4791. 

  4792. fi

  4793. 

  4794. if [ "$cpu" != generic ]; then

  4795.     add_cflags  $cpuflags

  4796.     add_asflags $cpuflags

  4797.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4798. fi

  4799. 

  4800. # compiler sanity check

  4801. check_exec <<EOF

  4802. int main(void){ return 0; }

  4803. EOF

  4804. if test "$?" != 0; then

  4805.     echo "$cc is unable to create an executable file."

  4806.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4807.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4808.         echo "Only do this if you know what cross compiling means."

  4809.     fi

  4810.     die "C compiler test failed."

  4811. fi

  4812. 

  4813. add_cppflags -D_ISOC99_SOURCE

  4814. add_cxxflags -D__STDC_CONSTANT_MACROS

  4815. check_cxxflags -std=c++11 || check_cxxflags -std=c++0x

  4816. 

  4817. # some compilers silently accept -std=c11, so we also need to check that the

  4818. # version macro is defined properly

  4819. test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&

  4820.     add_cflags -std=c11 ||

  4821.     check_cflags -std=c99

  4822. 

  4823. check_cppflags -D_FILE_OFFSET_BITS=64

  4824. check_cppflags -D_LARGEFILE_SOURCE

  4825. 

  4826. add_host_cppflags -D_ISOC99_SOURCE

  4827. check_host_cflags -std=c99

  4828. check_host_cflags -Wall

  4829. check_host_cflags $host_cflags_speed

  4830. 

  4831. check_64bit(){

  4832.     arch32=$1

  4833.     arch64=$2

  4834.     expr=$3

  4835.     check_code cc "" "int test[2*($expr) - 1]" &&

  4836.         subarch=$arch64 || subarch=$arch32

  4837.     enable $subarch

  4838. }

  4839. 

  4840. case "$arch" in

  4841.     aarch64|alpha|ia64)

  4842.         enabled shared && enable_weak pic

  4843.     ;;

  4844.     mips)

  4845.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4846.         enabled shared && enable_weak pic

  4847.     ;;

  4848.     parisc)

  4849.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4850.         enabled shared && enable_weak pic

  4851.     ;;

  4852.     ppc)

  4853.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4854.         enabled shared && enable_weak pic

  4855.     ;;

  4856.     s390)

  4857.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4858.         enabled shared && enable_weak pic

  4859.     ;;

  4860.     sparc)

  4861.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4862.         enabled shared && enable_weak pic

  4863.     ;;

  4864.     x86)

  4865.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4866.         # Treat x32 as x64 for now. Note it also needs pic if shared

  4867.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4868.             subarch=x86_64 && enable x86_64 && disable x86_32

  4869.         if enabled x86_64; then

  4870.             enabled shared && enable_weak pic

  4871.             objformat=elf64

  4872.         fi

  4873.     ;;

  4874. esac

  4875. 

  4876. # OS specific

  4877. case $target_os in

  4878.     aix)

  4879.         SHFLAGS=-shared

  4880.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4881.         enabled shared && add_ldflags -Wl,-brtl

  4882.         arflags='-Xany -r -c'

  4883.         ;;

  4884.     android)

  4885.         disable symver

  4886.         enable section_data_rel_ro

  4887.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4888.         SLIB_INSTALL_LINKS=

  4889.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4890.         ;;

  4891.     haiku)

  4892.         prefix_default="/boot/common"

  4893.         network_extralibs="-lnetwork"

  4894.         host_extralibs=

  4895.         ;;

  4896.     sunos)

  4897.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4898.         enabled x86 && append SHFLAGS -mimpure-text

  4899.         network_extralibs="-lsocket -lnsl"

  4900.         add_cppflags -D__EXTENSIONS__

  4901.         # When using suncc to build, the Solaris linker will mark

  4902.         # an executable with each instruction set encountered by

  4903.         # the Solaris assembler.  As our libraries contain their own

  4904.         # guards for processor-specific code, instead suppress

  4905.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4906.         enabled_all suncc x86 &&

  4907.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4908.             add_ldflags -Wl,-M,mapfile

  4909.         nm_default='nm -P -g'

  4910.         version_script='-M'

  4911.         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'

  4912.         ;;

  4913.     netbsd)

  4914.         disable symver

  4915.         oss_indev_extralibs="-lossaudio"

  4916.         oss_outdev_extralibs="-lossaudio"

  4917.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4918.         ;;

  4919.     openbsd|bitrig)

  4920.         disable symver

  4921.         SHFLAGS='-shared'

  4922.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4923.         SLIB_INSTALL_LINKS=

  4924.         oss_indev_extralibs="-lossaudio"

  4925.         oss_outdev_extralibs="-lossaudio"

  4926.         ;;

  4927.     dragonfly)

  4928.         disable symver

  4929.         ;;

  4930.     freebsd)

  4931.         ;;

  4932.     bsd/os)

  4933.         add_extralibs -lpoll -lgnugetopt

  4934.         strip="strip -d"

  4935.         ;;

  4936.     darwin)

  4937.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4938.         install_name_dir_default='$(SHLIBDIR)'

  4939.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4940.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4941.         strip="${strip} -x"

  4942.         add_ldflags -Wl,-dynamic,-search_paths_first

  4943.         check_cflags -Werror=partial-availability

  4944.         SLIBSUF=".dylib"

  4945.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4946.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4947.         enabled x86_64 && objformat="macho64" || objformat="macho32"

  4948.         enabled_any pic shared x86_64 ||

  4949.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4950.         check_header dispatch/dispatch.h &&

  4951.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  4952.         if test -n "$sysroot"; then

  4953.             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot

  4954.             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot

  4955.         fi

  4956.         version_script='-exported_symbols_list'

  4957.         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'

  4958.         ;;

  4959.     msys*)

  4960.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  4961.         ;;

  4962.     mingw32*|mingw64*)

  4963.         target_os=mingw32

  4964.         if enabled shared; then

  4965.             # Cannot build both shared and static libs when using dllimport.

  4966.             disable static

  4967.         fi

  4968.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4969.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4970.         shlibdir_default="$bindir_default"

  4971.         SLIBPREF=""

  4972.         SLIBSUF=".dll"

  4973.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4974.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4975.         SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4976.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4977.         SLIB_INSTALL_LINKS=

  4978.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4979.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4980.         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)'

  4981.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'

  4982.         enabled x86_64 && objformat="win64" || objformat="win32"

  4983.         ranlib=:

  4984.         enable dos_paths

  4985.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4986.         # Lets work around some stupidity in binutils.

  4987.         # ld will strip relocations from executables even though we need them

  4988.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4989.         # however ld then forgets what the entry point should be (oops) so we

  4990.         # have to manually (re)set it.

  4991.         if enabled x86_32; then

  4992.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4993.         elif enabled x86_64; then

  4994.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4995.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4996.             # Set image base >4GB for extra entropy with HEASLR

  4997.             add_ldexeflags -Wl,--image-base,0x140000000

  4998.             append SHFLAGS -Wl,--image-base,0x180000000

  4999.         fi

  5000.         ;;

  5001.     win32|win64)

  5002.         disable symver

  5003.         if enabled shared; then

  5004.             # Link to the import library instead of the normal static library

  5005.             # for shared libs.

  5006.             LD_LIB='%.lib'

  5007.             # Cannot build both shared and static libs with MSVC or icl.

  5008.             disable static

  5009.         fi

  5010.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  5011.         shlibdir_default="$bindir_default"

  5012.         SLIBPREF=""

  5013.         SLIBSUF=".dll"

  5014.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5015.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5016.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5017.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5018.         SLIB_INSTALL_LINKS=

  5019.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5020.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5021.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5022.         enabled x86_64 && objformat="win64" || objformat="win32"

  5023.         ranlib=:

  5024.         enable dos_paths

  5025.         ;;

  5026.     cygwin*)

  5027.         target_os=cygwin

  5028.         shlibdir_default="$bindir_default"

  5029.         SLIBPREF="cyg"

  5030.         SLIBSUF=".dll"

  5031.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5032.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5033.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5034.         SLIB_INSTALL_LINKS=

  5035.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  5036.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  5037.         enabled x86_64 && objformat="win64" || objformat="win32"

  5038.         enable dos_paths

  5039.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  5040.         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5041.         ;;

  5042.     *-dos|freedos|opendos)

  5043.         network_extralibs="-lsocket"

  5044.         objformat="coff"

  5045.         enable dos_paths

  5046.         add_cppflags -U__STRICT_ANSI__

  5047.         ;;

  5048.     linux)

  5049.         enable section_data_rel_ro

  5050.         enabled_any arm aarch64 && enable_weak linux_perf

  5051.         ;;

  5052.     irix*)

  5053.         target_os=irix

  5054.         ranlib="echo ignoring ranlib"

  5055.         ;;

  5056.     os/2*)

  5057.         strip="lxlite -CS"

  5058.         striptype=""

  5059.         objformat="aout"

  5060.         add_cppflags -D_GNU_SOURCE

  5061.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap

  5062.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  5063.         LIBSUF="_s.a"

  5064.         SLIBPREF=""

  5065.         SLIBSUF=".dll"

  5066.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5067.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  5068.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  5069.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  5070.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  5071.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  5072.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  5073.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  5074.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  5075.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5076.         SLIB_INSTALL_LINKS=

  5077.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  5078.         enable dos_paths

  5079.         enable_weak os2threads

  5080.         ;;

  5081.     gnu/kfreebsd)

  5082.         add_cppflags -D_BSD_SOURCE

  5083.         ;;

  5084.     gnu)

  5085.         ;;

  5086.     qnx)

  5087.         add_cppflags -D_QNX_SOURCE

  5088.         network_extralibs="-lsocket"

  5089.         ;;

  5090.     symbian)

  5091.         SLIBSUF=".dll"

  5092.         enable dos_paths

  5093.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  5094.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  5095.         add_ldflags -Wl,--target1-abs,--no-undefined \

  5096.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  5097.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  5098.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  5099.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  5100.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  5101.         ;;

  5102.     minix)

  5103.         ;;

  5104.     none)

  5105.         ;;

  5106.     *)

  5107.         die "Unknown OS '$target_os'."

  5108.         ;;

  5109. esac

  5110. 

  5111. # test if creating links works

  5112. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  5113. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  5114. mkdir "$link_dest"

  5115. $ln_s "$link_dest" "$link_name"

  5116. touch "$link_dest/test_file"

  5117. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  5118.     # create link to source path

  5119.     [ -e src ] && rm src

  5120.     $ln_s "$source_path" src

  5121.     source_link=src

  5122. else

  5123.     # creating directory links doesn't work

  5124.     # fall back to using the full source path

  5125.     source_link="$source_path"

  5126. fi

  5127. # cleanup

  5128. rm -r "$link_dest"

  5129. rm -r "$link_name"

  5130. 

  5131. # determine libc flavour

  5132. 

  5133. probe_libc(){

  5134.     pfx=$1

  5135.     pfx_no_=${pfx%_}

  5136.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  5137.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  5138.         eval ${pfx}libc_type=uclibc

  5139.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5140.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  5141.         eval ${pfx}libc_type=glibc

  5142.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5143.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  5144.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  5145.         eval ${pfx}libc_type=newlib

  5146.         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600

  5147.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  5148.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  5149.         eval ${pfx}libc_type=mingw64

  5150.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  5151.             add_compat msvcrt/snprintf.o

  5152.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  5153.         fi

  5154.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5155.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5156.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5157.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  5158.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  5159.         eval ${pfx}libc_type=mingw32

  5160.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  5161.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  5162.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  5163.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5164.         check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&

  5165.             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700

  5166.         check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&

  5167.             add_${pfx}cppflags -D_WIN32_WINNT=0x0502

  5168.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5169.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5170.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  5171.         eval ${pfx}libc_type=msvcrt

  5172.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  5173.             if [ "$pfx" = host_ ]; then

  5174.                 add_host_cppflags -Dsnprintf=_snprintf

  5175.             else

  5176.                 add_compat strtod.o strtod=avpriv_strtod

  5177.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  5178.                                              _snprintf=avpriv_snprintf  \

  5179.                                              vsnprintf=avpriv_vsnprintf

  5180.             fi

  5181.         fi

  5182.         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS

  5183.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  5184.         # 0x601 by default unless something else is set by the user.

  5185.         # This can easily lead to us detecting functions only present

  5186.         # in such new versions and producing binaries requiring windows 7.0.

  5187.         # Therefore explicitly set the default to XP unless the user has

  5188.         # set something else on the command line.

  5189.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  5190.         # family. For these cases, configure is free to use any functions

  5191.         # found in the SDK headers by default. (Alternatively, we could force

  5192.         # _WIN32_WINNT to 0x0602 in that case.)

  5193.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  5194.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  5195. #ifdef WINAPI_FAMILY

  5196. #include <winapifamily.h>

  5197. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  5198. #error not desktop

  5199. #endif

  5200. #endif

  5201. EOF

  5202.         if [ "$pfx" = "" ]; then

  5203.             check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5204.             check_func strtoull || add_cflags -Dstrtoull=_strtoui64

  5205.         fi

  5206.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  5207.         eval ${pfx}libc_type=klibc

  5208.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  5209.         eval ${pfx}libc_type=bionic

  5210.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  5211.         eval ${pfx}libc_type=solaris

  5212.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  5213.     fi

  5214.     check_${pfx}cc <<EOF

  5215. #include <time.h>

  5216. void *v = localtime_r;

  5217. EOF

  5218. test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5219. #include <time.h>

  5220. void *v = localtime_r;

  5221. EOF

  5222. 

  5223.     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}

  5224. }

  5225. 

  5226. probe_libc

  5227. probe_libc host_

  5228. 

  5229. # hacks for compiler/libc/os combinations

  5230. 

  5231. case $libc_type in

  5232.     bionic)

  5233.         add_compat strtod.o strtod=avpriv_strtod

  5234.         ;;

  5235. esac

  5236. 

  5237. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  5238.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  5239. 

  5240. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  5241. 

  5242. set_default libdir

  5243. : ${shlibdir_default:="$libdir"}

  5244. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  5245. 

  5246. set_default $PATHS_LIST

  5247. set_default nm

  5248. 

  5249. disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer

  5250. 

  5251. enable_weak_pic() {

  5252.     disabled pic && return

  5253.     enable pic

  5254.     add_cppflags -DPIC

  5255.     case "$target_os" in

  5256.     mingw*|cygwin*|win*)

  5257.         ;;

  5258.     *)

  5259.         add_cflags -fPIC

  5260.         add_asflags -fPIC

  5261.         ;;

  5262.     esac

  5263. }

  5264. 

  5265. enabled pic && enable_weak_pic

  5266. 

  5267. check_cc <<EOF || die "Symbol mangling check failed."

  5268. int ff_extern;

  5269. EOF

  5270. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5271. extern_prefix=${sym%%ff_extern*}

  5272. 

  5273. ! disabled inline_asm && check_inline_asm inline_asm '"" ::'

  5274. 

  5275. _restrict=

  5276. for restrict_keyword in restrict __restrict__ __restrict; do

  5277.     check_cc <<EOF && _restrict=$restrict_keyword && break

  5278. void foo(char * $restrict_keyword p);

  5279. EOF

  5280. done

  5281. 

  5282. check_cc <<EOF && enable pragma_deprecated

  5283. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  5284. EOF

  5285. 

  5286. check_cc <<EOF || die "endian test failed"

  5287. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5288. EOF

  5289. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5290. 

  5291. check_cc <<EOF && enable const_nan

  5292. #include <math.h>

  5293. void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }

  5294. EOF

  5295. 

  5296. if ! enabled ppc64 || enabled bigendian; then

  5297.     disable vsx

  5298. fi

  5299. 

  5300. check_gas() {

  5301.     log "check_gas using '$as' as AS"

  5302.     # :vararg is used on aarch64, arm and ppc altivec

  5303.     check_as <<EOF || return 1

  5304. .macro m n, y:vararg=0

  5305. \n: .int \y

  5306. .endm

  5307. m x

  5308. EOF

  5309.     # .altmacro is only used in arm asm

  5310.     ! enabled arm || check_as <<EOF || return 1

  5311. .altmacro

  5312. EOF

  5313.     enable gnu_as

  5314.     return 0

  5315. }

  5316. 

  5317. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5318.     nogas=:

  5319.     enabled_any arm aarch64 && nogas=die

  5320.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5321.     as_noop=-v

  5322. 

  5323.     case $as_type in

  5324.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5325.         gcc)  gaspp_as_type=gas ;;

  5326.         *)    gaspp_as_type=$as_type ;;

  5327.     esac

  5328. 

  5329.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5330. 

  5331.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5332.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5333.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5334. 

  5335.     if ! check_gas ; then

  5336.         as=${gas:=$as}

  5337.         check_gas || \

  5338.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5339.     fi

  5340. 

  5341.     check_as <<EOF && enable as_func

  5342. .func test

  5343. .endfunc

  5344. EOF

  5345. fi

  5346. 

  5347. check_inline_asm inline_asm_labels '"1:\n"'

  5348. 

  5349. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5350. 

  5351. if enabled aarch64; then

  5352.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5353.     # internal assembler in clang 3.3 does not support this instruction

  5354.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5355.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5356. 

  5357.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5358. 

  5359. elif enabled alpha; then

  5360. 

  5361.     check_cflags -mieee

  5362. 

  5363. elif enabled arm; then

  5364. 

  5365.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5366. 

  5367.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5368. float func(float a, float b){ return a+b; }

  5369. EOF

  5370. 

  5371.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5372. 

  5373.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5374.         enable vfp_args

  5375.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5376.         enable vfp_args

  5377.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5378.         case "${cross_prefix:-$cc}" in

  5379.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5380.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5381. __asm__ (".eabi_attribute 28, 1");

  5382. int main(void) { return 0; }

  5383. EOF

  5384.         esac

  5385.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5386.     fi

  5387. 

  5388.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5389.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5390.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5391.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5392.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5393.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5394.     enabled setend  && check_insn setend  'setend be'

  5395. 

  5396.     [ $target_os = linux ] || [ $target_os = android ] ||

  5397.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5398.             $ARCH_EXT_LIST_ARM

  5399. 

  5400.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5401. 

  5402.     check_as <<EOF && enable as_arch_directive

  5403. .arch armv7-a

  5404. EOF

  5405.     check_as <<EOF && enable as_fpu_directive

  5406. .fpu neon

  5407. EOF

  5408. 

  5409.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5410.     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&

  5411.         check_as <<EOF && enable as_object_arch

  5412. .object_arch armv4

  5413. EOF

  5414. 

  5415.     # MS armasm fails to assemble our PIC constructs

  5416.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5417. 

  5418. elif enabled mips; then

  5419. 

  5420.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5421.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5422.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5423. 

  5424.     # Enable minimum ISA based on selected options

  5425.     if enabled mips64; then

  5426.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5427.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5428.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5429.     else

  5430.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5431.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5432.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5433.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5434.     fi

  5435. 

  5436.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5437.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5438.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa

  5439.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5440.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5441. 

  5442.     if enabled bigendian && enabled msa; then

  5443.         disable msa

  5444.     fi

  5445. 

  5446. elif enabled parisc; then

  5447. 

  5448.     if enabled gcc; then

  5449.         case $($cc -dumpversion) in

  5450.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5451.         esac

  5452.     fi

  5453. 

  5454. elif enabled ppc; then

  5455. 

  5456.     enable local_aligned

  5457. 

  5458.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5459.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5460.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5461.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5462. 

  5463.     if enabled altivec; then

  5464.         check_cflags -maltivec -mabi=altivec

  5465. 

  5466.         # check if our compiler supports Motorola AltiVec C API

  5467.         check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };

  5468.                                  vector signed int v2 = (vector signed int) { 1 };

  5469.                                  v1 = vec_add(v1, v2);" ||

  5470.             disable altivec

  5471. 

  5472.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5473.     fi

  5474. 

  5475.     if enabled vsx; then

  5476.         check_cflags -mvsx &&

  5477.         check_code cc altivec.h "int v[4] = { 0 };

  5478.                                  vector signed int v1 = vec_vsx_ld(0, v);" ||

  5479.             disable vsx

  5480.     fi

  5481. 

  5482.     if enabled power8; then

  5483.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5484.     fi

  5485. 

  5486. elif enabled x86; then

  5487. 

  5488.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5489.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5490. 

  5491.     enable local_aligned

  5492. 

  5493.     # check whether EBP is available on x86

  5494.     # As 'i' is stored on the stack, this program will crash

  5495.     # if the base pointer is used to access it because the

  5496.     # base pointer is cleared in the inline assembly code.

  5497.     check_exec_crash <<EOF && enable ebp_available

  5498. volatile int i=0;

  5499. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5500. return i;

  5501. EOF

  5502. 

  5503.     # check whether EBX is available on x86

  5504.     check_inline_asm ebx_available '""::"b"(0)' &&

  5505.         check_inline_asm ebx_available '"":::"%ebx"'

  5506. 

  5507.     # check whether xmm clobbers are supported

  5508.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5509. 

  5510.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5511.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5512. 

  5513.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5514.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5515.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5516. 

  5517.     probe_x86asm(){

  5518.         x86asmexe_probe=$1

  5519.         if check_cmd $x86asmexe_probe -v; then

  5520.             x86asmexe=$x86asmexe_probe

  5521.             x86asm_type=nasm

  5522.             x86asm_debug="-g -F dwarf"

  5523.             X86ASMDEP=

  5524.             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'

  5525.         elif check_cmd $x86asmexe_probe --version; then

  5526.             x86asmexe=$x86asmexe_probe

  5527.             x86asm_type=yasm

  5528.             x86asm_debug="-g dwarf2"

  5529.             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'

  5530.             X86ASM_DEPFLAGS=

  5531.         fi

  5532.         check_x86asm "movbe ecx, [5]" && enable x86asm

  5533.     }

  5534. 

  5535.     if ! disabled_any asm mmx x86asm; then

  5536.         disable x86asm

  5537.         for program in $x86asmexe nasm yasm; do

  5538.             probe_x86asm $program && break

  5539.         done

  5540.         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."

  5541.         X86ASMFLAGS="-f $objformat"

  5542.         enabled pic               && append X86ASMFLAGS "-DPIC"

  5543.         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"

  5544.         case "$objformat" in

  5545.             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;

  5546.         esac

  5547. 

  5548.         check_x86asm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5549.         check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5550.         check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5551.         check_x86asm "CPU amdnop" || disable cpunop

  5552.     fi

  5553. 

  5554.     case "$cpu" in

  5555.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5556.             disable fast_clz

  5557.         ;;

  5558.     esac

  5559. 

  5560. fi

  5561. 

  5562. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5563. 

  5564. check_ldflags -Wl,--as-needed

  5565. check_ldflags -Wl,-z,noexecstack

  5566. 

  5567. if ! disabled network; then

  5568.     check_func getaddrinfo $network_extralibs

  5569.     check_func inet_aton $network_extralibs

  5570. 

  5571.     check_type netdb.h "struct addrinfo"

  5572.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5573.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5574.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5575.     check_type poll.h "struct pollfd"

  5576.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5577.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5578.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5579.     check_type netinet/in.h "struct sockaddr_in6"

  5580.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5581.     check_type "sys/types.h sys/socket.h" socklen_t

  5582. 

  5583.     # Prefer arpa/inet.h over winsock2

  5584.     if check_header arpa/inet.h ; then

  5585.         check_func closesocket

  5586.     elif check_header winsock2.h ; then

  5587.         check_func_headers winsock2.h closesocket -lws2 &&

  5588.             network_extralibs="-lws2" ||

  5589.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5590.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5591.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5592. 

  5593.         check_type ws2tcpip.h socklen_t

  5594.         check_type ws2tcpip.h "struct addrinfo"

  5595.         check_type ws2tcpip.h "struct group_source_req"

  5596.         check_type ws2tcpip.h "struct ip_mreq_source"

  5597.         check_type ws2tcpip.h "struct ipv6_mreq"

  5598.         check_type winsock2.h "struct pollfd"

  5599.         check_struct winsock2.h "struct sockaddr" sa_len

  5600.         check_type ws2tcpip.h "struct sockaddr_in6"

  5601.         check_type ws2tcpip.h "struct sockaddr_storage"

  5602.     else

  5603.         disable network

  5604.     fi

  5605. fi

  5606. 

  5607. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5608. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5609. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5610. check_builtin sarestart signal.h "SA_RESTART"

  5611. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5612. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5613. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5614. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  5615. 

  5616. case "$custom_allocator" in

  5617.     jemalloc)

  5618.         # jemalloc by default does not use a prefix

  5619.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5620.     ;;

  5621.     tcmalloc)

  5622.         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc

  5623.         malloc_prefix=tc_

  5624.     ;;

  5625. esac

  5626. 

  5627. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5628. check_func  ${malloc_prefix}memalign            && enable memalign

  5629. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5630. 

  5631. check_func  access

  5632. check_func_headers stdlib.h arc4random

  5633. check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt

  5634. check_func  fcntl

  5635. check_func  fork

  5636. check_func  gethrtime

  5637. check_func  getopt

  5638. check_func  getrusage

  5639. check_func  gettimeofday

  5640. check_func  isatty

  5641. check_func  mkstemp

  5642. check_func  mmap

  5643. check_func  mprotect

  5644. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5645. check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt

  5646. check_func  sched_getaffinity

  5647. check_func  setrlimit

  5648. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5649. check_func  strerror_r

  5650. check_func  sysconf

  5651. check_func  sysctl

  5652. check_func  usleep

  5653. 

  5654. check_func_headers conio.h kbhit

  5655. check_func_headers io.h setmode

  5656. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5657. check_func_headers mach/mach_time.h mach_absolute_time

  5658. check_func_headers stdlib.h getenv

  5659. check_func_headers sys/stat.h lstat

  5660. 

  5661. check_func_headers windows.h GetProcessAffinityMask

  5662. check_func_headers windows.h GetProcessTimes

  5663. check_func_headers windows.h GetSystemTimeAsFileTime

  5664. check_func_headers windows.h LoadLibrary

  5665. check_func_headers windows.h MapViewOfFile

  5666. check_func_headers windows.h PeekNamedPipe

  5667. check_func_headers windows.h SetConsoleTextAttribute

  5668. check_func_headers windows.h SetConsoleCtrlHandler

  5669. check_func_headers windows.h Sleep

  5670. check_func_headers windows.h VirtualAlloc

  5671. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5672. check_func_headers glob.h glob

  5673. enabled xlib &&

  5674.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5675. 

  5676. check_header direct.h

  5677. check_header dirent.h

  5678. check_header dxgidebug.h

  5679. check_header dxva.h

  5680. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5681. check_header io.h

  5682. check_header libcrystalhd/libcrystalhd_if.h

  5683. check_header malloc.h

  5684. check_header net/udplite.h

  5685. check_header poll.h

  5686. check_header sys/param.h

  5687. check_header sys/resource.h

  5688. check_header sys/select.h

  5689. check_header sys/time.h

  5690. check_header sys/un.h

  5691. check_header termios.h

  5692. check_header unistd.h

  5693. check_header valgrind/valgrind.h

  5694. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5695. check_header windows.h

  5696. check_header X11/extensions/XvMClib.h

  5697. check_header asm/types.h

  5698. 

  5699. # it seems there are versions of clang in some distros that try to use the

  5700. # gcc headers, which explodes for stdatomic

  5701. # so we also check that atomics actually work here

  5702. check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"

  5703. 

  5704. check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32

  5705. check_lib ole32    "windows.h"            CoTaskMemFree        -lole32

  5706. check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32

  5707. check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom       -ladvapi32

  5708. check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

  5709. 

  5710. enabled appkit       && check_apple_framework AppKit

  5711. enabled audiotoolbox && check_apple_framework AudioToolbox

  5712. enabled avfoundation && check_apple_framework AVFoundation

  5713. enabled coreimage    && check_apple_framework CoreImage

  5714. enabled videotoolbox && check_apple_framework VideoToolbox

  5715. 

  5716. check_apple_framework CoreFoundation

  5717. check_apple_framework CoreMedia

  5718. check_apple_framework CoreVideo

  5719. 

  5720. enabled avfoundation && {

  5721.     disable coregraphics applicationservices

  5722.     check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||

  5723.     check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }

  5724. 

  5725. enabled videotoolbox && {

  5726.     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"

  5727.     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"

  5728. }

  5729. 

  5730. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5731. 

  5732. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5733. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5734. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5735. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5736. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5737. 

  5738. check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"

  5739. check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"

  5740. check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth

  5741. check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"

  5742. check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"

  5743. check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  5744. check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  5745. check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"

  5746. check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"

  5747. check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"

  5748. 

  5749. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5750. 

  5751. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5752. 

  5753. if ! disabled w32threads && ! enabled pthreads; then

  5754.     check_func_headers "windows.h process.h" _beginthreadex &&

  5755.         enable w32threads || disable w32threads

  5756.     if ! enabled w32threads && enabled winrt; then

  5757.         check_func_headers "windows.h" CreateThread &&

  5758.             enable w32threads || disable w32threads

  5759.     fi

  5760. fi

  5761. 

  5762. # check for some common methods of building with pthread support

  5763. # do this before the optional library checks as some of them require pthreads

  5764. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5765.     if check_lib pthreads pthread.h pthread_join   -pthread &&

  5766.        check_lib pthreads pthread.h pthread_create -pthread; then

  5767.         add_cflags -pthread

  5768.     elif check_lib pthreads pthread.h pthread_join   -pthreads &&

  5769.          check_lib pthreads pthread.h pthread_create -pthreads; then

  5770.         add_cflags -pthreads

  5771.     elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&

  5772.          check_lib pthreads pthread.h pthread_create -ldl -pthread; then

  5773.         add_cflags -ldl -pthread

  5774.     elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&

  5775.          check_lib pthreads pthread.h pthread_create -lpthreadGC2; then

  5776.         :

  5777.     elif check_lib pthreads pthread.h pthread_join   -lpthread &&

  5778.          check_lib pthreads pthread.h pthread_create -lpthread; then

  5779.         :

  5780.     elif check_func pthread_join && check_func pthread_create; then

  5781.         enable pthreads

  5782.     fi

  5783.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5784. 

  5785.     if enabled pthreads; then

  5786.         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs

  5787.         check_func pthread_cancel $pthreads_extralibs

  5788.     fi

  5789. fi

  5790. 

  5791. enabled  zlib && check_lib zlib   zlib.h      zlibVersion    -lz

  5792. enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2

  5793. enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma

  5794. 

  5795. # On some systems dynamic loading requires no extra linker flags

  5796. check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl

  5797. 

  5798. check_lib libm math.h sin -lm

  5799. 

  5800. atan2f_args=2

  5801. copysign_args=2

  5802. hypot_args=2

  5803. ldexpf_args=2

  5804. powf_args=2

  5805. 

  5806. for func in $MATH_FUNCS; do

  5807.     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs

  5808. done

  5809. 

  5810. for func in $COMPLEX_FUNCS; do

  5811.     eval check_complexfunc $func \${${func}_args:-1}

  5812. done

  5813. 

  5814. # these are off by default, so fail if requested and not available

  5815. enabled cuda_sdk          && require cuda_sdk cuda.h cuCtxCreate -lcuda

  5816. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5817. enabled decklink          && { require_header DeckLinkAPI.h &&

  5818.                                { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }

  5819. enabled libndi_newtek     && require_header Processing.NDI.Lib.h

  5820. enabled frei0r            && require_header frei0r.h

  5821. enabled gmp               && require gmp gmp.h mpz_export -lgmp

  5822. enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

  5823. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }

  5824. enabled ladspa            && require_header ladspa.h

  5825. enabled lv2               && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new

  5826. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5827. enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init

  5828. enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open

  5829. enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open

  5830. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5831.                              { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5832.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5833. enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas

  5834. enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new

  5835. enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion

  5836. enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5837.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5838.                                  warn "using libfdk without pkg-config"; } }

  5839. 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"

  5840. enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs

  5841. enabled fontconfig        && enable libfontconfig

  5842. enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit

  5843. enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

  5844. enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info

  5845. enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||

  5846.                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }

  5847. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5848.                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;

  5849.                                done || die "ERROR: libgsm not found"; }

  5850. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs

  5851. enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5852. # While it may appear that require is being used as a pkg-config

  5853. # fallback for libmfx, it is actually being used to detect a different

  5854. # installation route altogether.  If libmfx is installed via the Intel

  5855. # Media SDK or Intel Media Server Studio, these don't come with

  5856. # pkg-config support.  Instead, users should make sure that the build

  5857. # can find the libraries and headers through other means.

  5858. enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||

  5859.                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }

  5860. enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load

  5861. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5862. enabled libmysofa         && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs

  5863. enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||

  5864.                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||

  5865.                                die "ERROR: libnpp not found"; }

  5866. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5867. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5868. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5869.                                { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5870.                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5871.                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }

  5872. enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion

  5873. enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||

  5874.                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }

  5875. enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"

  5876. enabled libopus           && {

  5877.     enabled libopus_decoder && {

  5878.         require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create

  5879.     }

  5880.     enabled libopus_encoder && {

  5881.         require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create

  5882.     }

  5883. }

  5884. enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new

  5885. enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo

  5886. enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket

  5887. enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"

  5888. enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer

  5889. enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||

  5890.                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }

  5891. enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++

  5892. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  5893. enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init

  5894. enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init

  5895. enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate

  5896. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5897. enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure

  5898. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5899.                              { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5900.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5901. enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl

  5902. enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5903. enabled libvmaf           && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf

  5904. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5905. enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&

  5906.                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init

  5907. 

  5908. enabled libvpx            && {

  5909.     enabled libvpx_vp8_decoder && {

  5910.         check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5911.             check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  5912.                 die "ERROR: libvpx decoder version must be >=1.4.0";

  5913.     }

  5914.     enabled libvpx_vp8_encoder && {

  5915.         check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5916.             check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||

  5917.                 die "ERROR: libvpx encoder version must be >=1.4.0";

  5918.     }

  5919.     enabled libvpx_vp9_decoder && {

  5920.         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5921.             check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  5922.     }

  5923.     enabled libvpx_vp9_encoder && {

  5924.         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5925.             check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"

  5926.     }

  5927.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5928.         die "libvpx enabled but no supported decoders found"

  5929.     fi

  5930. }

  5931. 

  5932. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5933. enabled libwebp           && {

  5934.     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5935.     enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }

  5936. enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||

  5937.                                { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&

  5938.                                  warn "using libx264 without pkg-config"; } } &&

  5939.                              require_cpp_condition x264.h "X264_BUILD >= 118" &&

  5940.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5941.                                enable libx262; }

  5942. enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&

  5943.                              require_cpp_condition x265.h "X265_BUILD >= 68"

  5944. enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"

  5945. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5946. enabled libzimg           && require_pkg_config libzimg "zimg >= 2.6.2" zimg.h zimg_get_api_version

  5947. enabled libzmq            && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new

  5948. enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&

  5949.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5950.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5951. enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion

  5952. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  5953. enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5954.                                { ! enabled cross_compile &&

  5955.                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&

  5956.                                  add_ldflags -L/opt/vc/lib/ &&

  5957.                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||

  5958.                                die "ERROR: mmal not found" &&

  5959.                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }

  5960. enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5961.                                check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||

  5962.                                die "ERROR: openal not found"; } &&

  5963.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5964.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5965. enabled opencl            && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5966.                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5967.                                die "ERROR: opencl not found"; } &&

  5968.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5969.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5970.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5971. enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||

  5972.                                check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5973.                                check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5974.                                check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5975.                                die "ERROR: opengl not found."

  5976.                              }

  5977. enabled omx               && require_header OMX_Core.h

  5978. enabled omx_rpi           && { check_header OMX_Core.h ||

  5979.                                { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||

  5980.                                die "ERROR: OpenMAX IL headers not found"; } && enable omx

  5981. enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||

  5982.                                check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||

  5983.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5984.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5985.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5986.                                die "ERROR: openssl not found"; }

  5987. enabled rkmpp             && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||

  5988.                                  die "ERROR : Rockchip MPP was not found."; } &&

  5989.                                { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||

  5990.                                  die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&

  5991.                                { enabled libdrm ||

  5992.                                  die "ERROR: rkmpp requires --enable-libdrm"; }

  5993.                              }

  5994. 

  5995. if enabled gcrypt; then

  5996.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5997.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5998.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5999.         gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)

  6000.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||

  6001.             die "ERROR: gcrypt not found"

  6002.         add_cflags $gcrypt_cflags

  6003.     else

  6004.         require gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  6005.     fi

  6006. fi

  6007. 

  6008. if enabled sdl2; then

  6009.     SDL2_CONFIG="${cross_prefix}sdl2-config"

  6010.     if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then

  6011.         check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||

  6012.             disable sdl2

  6013.     elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then

  6014.         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)

  6015.         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)

  6016.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&

  6017.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&

  6018.         check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&

  6019.             enable sdl2

  6020.     fi

  6021.     if test $target_os = "mingw32"; then

  6022.         sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)

  6023.     fi

  6024. fi

  6025. 

  6026. if enabled decklink; then

  6027.     case $target_os in

  6028.         mingw32*|mingw64*|win32|win64)

  6029.             decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  6030.             decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  6031.             ;;

  6032.     esac

  6033. fi

  6034. 

  6035. enabled securetransport &&

  6036.     check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  6037.     check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||

  6038.         disable securetransport

  6039. 

  6040. enabled securetransport &&

  6041.     check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"

  6042. 

  6043. enabled schannel &&

  6044.     check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  6045.     check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&

  6046.     schannel_extralibs="-lsecur32" ||

  6047.         disable schannel

  6048. 

  6049. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  6050. enabled makeinfo \

  6051.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  6052.     && enable makeinfo_html || disable makeinfo_html

  6053. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  6054. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  6055. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  6056. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  6057. 

  6058. # check V4L2 codecs available in the API

  6059. check_header linux/fb.h

  6060. check_header linux/videodev2.h

  6061. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6062. check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m

  6063. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m

  6064. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m

  6065. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m

  6066. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m

  6067. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m

  6068. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m

  6069. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m

  6070. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m

  6071. check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m

  6072. 

  6073. check_header sys/videoio.h

  6074. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6075. 

  6076. check_lib user32 "windows.h winuser.h" GetShellWindow -luser32

  6077. check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32

  6078. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  6079. # w32api 3.12 had it defined wrong

  6080. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  6081. 

  6082. check_type "dshow.h" IBaseFilter

  6083. 

  6084. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  6085. check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||

  6086.     check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||

  6087.     check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||

  6088.     check_header "dev/ic/bt8xx.h"

  6089. 

  6090. if check_struct sys/soundcard.h audio_buf_info bytes; then

  6091.     enable_sanitized sys/soundcard.h

  6092. else

  6093.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h

  6094.     #include <sys/soundcard.h>

  6095.     audio_buf_info abc;

  6096. EOF

  6097. fi

  6098. 

  6099. enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||

  6100.     check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound

  6101. 

  6102. enabled libjack &&

  6103.     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range

  6104. 

  6105. enabled sndio && check_lib sndio sndio.h sio_open -lsndio

  6106. 

  6107. if enabled libcdio; then

  6108.     check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||

  6109.     check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||

  6110.     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6111.     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6112.     die "ERROR: No usable libcdio/cdparanoia found"

  6113. fi

  6114. 

  6115. enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||

  6116.     disable libxcb_shm libxcb_shape libxcb_xfixes

  6117. 

  6118. if enabled libxcb; then

  6119.     enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach

  6120.     enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles

  6121.     enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image

  6122. fi

  6123. 

  6124. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  6125. 

  6126. # d3d11va requires linking directly to dxgi and d3d11 if not building for

  6127. # the desktop api partition

  6128. check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"

  6129. #ifdef WINAPI_FAMILY

  6130. #include <winapifamily.h>

  6131. #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  6132. #error desktop, not uwp

  6133. #else

  6134. // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP

  6135. #endif

  6136. #else

  6137. #error no family set

  6138. #endif

  6139. EOF

  6140. 

  6141. enabled vaapi &&

  6142.     check_lib vaapi va/va.h vaInitialize -lva

  6143. 

  6144. enabled vaapi &&

  6145.     check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||

  6146.     disable vaapi

  6147. 

  6148. enabled vaapi &&

  6149.     check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm

  6150. 

  6151. enabled vaapi &&

  6152.     check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11

  6153. 

  6154. enabled vaapi &&

  6155.     check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&

  6156.     enable vaapi_1

  6157. 

  6158. if enabled_all opencl vaapi ; then

  6159.     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

  6160.         enable opencl_vaapi_beignet

  6161.     if enabled libmfx ; then

  6162.         check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&

  6163.             enable opencl_vaapi_intel_media

  6164.     fi

  6165. fi

  6166. 

  6167. if enabled_all opencl dxva2 ; then

  6168.     check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&

  6169.         enable opencl_dxva2

  6170. fi

  6171. 

  6172. if enabled_all opencl d3d11va ; then

  6173.     check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&

  6174.         enable opencl_d3d11

  6175. fi

  6176. 

  6177. if enabled_all opencl libdrm ; then

  6178.     check_func_headers "CL/cl_ext.h" clImportMemoryARM &&

  6179.         enable opencl_drm_arm

  6180. fi

  6181. 

  6182. enabled vdpau &&

  6183.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  6184.     disable vdpau

  6185. 

  6186. enabled vdpau &&

  6187.     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11

  6188. 

  6189. enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd

  6190. 

  6191. if enabled x86; then

  6192.     case $target_os in

  6193.         mingw32*|mingw64*|win32|win64|linux|cygwin*)

  6194.             ;;

  6195.         *)

  6196.             disable cuda cuvid nvdec nvenc

  6197.             ;;

  6198.     esac

  6199. else

  6200.     disable cuda cuvid nvdec nvenc

  6201. fi

  6202. 

  6203. enabled nvenc &&

  6204.     check_cc -I$source_path <<EOF || disable nvenc

  6205. #include "compat/nvenc/nvEncodeAPI.h"

  6206. NV_ENCODE_API_FUNCTION_LIST flist;

  6207. void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }

  6208. int main(void) { return 0; }

  6209. EOF

  6210. 

  6211. enabled amf &&

  6212.     check_cpp_condition "AMF/core/Version.h" \

  6213.         "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||

  6214.     disable amf

  6215. 

  6216. # Funny iconv installations are not unusual, so check it after all flags have been set

  6217. if enabled libc_iconv; then

  6218.     check_func_headers iconv.h iconv

  6219. elif enabled iconv; then

  6220.     check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv

  6221. fi

  6222. 

  6223. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  6224. 

  6225. # add some useful compiler flags if supported

  6226. check_cflags -Wdeclaration-after-statement

  6227. check_cflags -Wall

  6228. check_cflags -Wdisabled-optimization

  6229. check_cflags -Wpointer-arith

  6230. check_cflags -Wredundant-decls

  6231. check_cflags -Wwrite-strings

  6232. check_cflags -Wtype-limits

  6233. check_cflags -Wundef

  6234. check_cflags -Wmissing-prototypes

  6235. check_cflags -Wno-pointer-to-int-cast

  6236. check_cflags -Wstrict-prototypes

  6237. check_cflags -Wempty-body

  6238. 

  6239. if enabled extra_warnings; then

  6240.     check_cflags -Wcast-qual

  6241.     check_cflags -Wextra

  6242.     check_cflags -Wpedantic

  6243. fi

  6244. 

  6245. check_disable_warning(){

  6246.     warning_flag=-W${1#-Wno-}

  6247.     test_cflags $unknown_warning_flags $warning_flag && add_cflags $1

  6248. }

  6249. 

  6250. test_cflags -Werror=unused-command-line-argument &&

  6251.     append unknown_warning_flags "-Werror=unused-command-line-argument"

  6252. test_cflags -Werror=unknown-warning-option &&

  6253.     append unknown_warning_flags "-Werror=unknown-warning-option"

  6254. 

  6255. check_disable_warning -Wno-parentheses

  6256. check_disable_warning -Wno-switch

  6257. check_disable_warning -Wno-format-zero-length

  6258. check_disable_warning -Wno-pointer-sign

  6259. check_disable_warning -Wno-unused-const-variable

  6260. check_disable_warning -Wno-bool-operation

  6261. 

  6262. check_disable_warning_headers(){

  6263.     warning_flag=-W${1#-Wno-}

  6264.     test_cflags $warning_flag && add_cflags_headers $1

  6265. }

  6266. 

  6267. check_disable_warning_headers -Wno-deprecated-declarations

  6268. check_disable_warning_headers -Wno-unused-variable

  6269. 

  6270. check_cc <<EOF && enable blocks_extension

  6271. void (^block)(void);

  6272. EOF

  6273. 

  6274. # add some linker flags

  6275. check_ldflags -Wl,--warn-common

  6276. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6277. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir

  6278. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6279. 

  6280. # add some strip flags

  6281. check_stripflags -x

  6282. 

  6283. enabled neon_clobber_test &&

  6284.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6285.                   -Wl,--wrap,avcodec_decode_audio4      \

  6286.                   -Wl,--wrap,avcodec_decode_video2      \

  6287.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6288.                   -Wl,--wrap,avcodec_encode_audio2      \

  6289.                   -Wl,--wrap,avcodec_encode_video2      \

  6290.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6291.                   -Wl,--wrap,avcodec_send_packet        \

  6292.                   -Wl,--wrap,avcodec_receive_packet     \

  6293.                   -Wl,--wrap,avcodec_send_frame         \

  6294.                   -Wl,--wrap,avcodec_receive_frame      \

  6295.                   -Wl,--wrap,swr_convert                \

  6296.                   -Wl,--wrap,avresample_convert ||

  6297.     disable neon_clobber_test

  6298. 

  6299. enabled xmm_clobber_test &&

  6300.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6301.                   -Wl,--wrap,avcodec_decode_audio4      \

  6302.                   -Wl,--wrap,avcodec_decode_video2      \

  6303.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6304.                   -Wl,--wrap,avcodec_encode_audio2      \

  6305.                   -Wl,--wrap,avcodec_encode_video2      \

  6306.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6307.                   -Wl,--wrap,avcodec_send_packet        \

  6308.                   -Wl,--wrap,avcodec_receive_packet     \

  6309.                   -Wl,--wrap,avcodec_send_frame         \

  6310.                   -Wl,--wrap,avcodec_receive_frame      \

  6311.                   -Wl,--wrap,swr_convert                \

  6312.                   -Wl,--wrap,avresample_convert         \

  6313.                   -Wl,--wrap,sws_scale ||

  6314.     disable xmm_clobber_test

  6315. 

  6316. check_ld "cc" <<EOF && enable proper_dce

  6317. extern const int array[512];

  6318. static inline int func(void) { return array[0]; }

  6319. int main(void) { return 0; }

  6320. EOF

  6321. 

  6322. if enabled proper_dce; then

  6323.     echo "X { local: *; };" > $TMPV

  6324.     if test_ldflags -Wl,${version_script},$TMPV; then

  6325.         append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'

  6326.         quotes='""'

  6327.         check_cc <<EOF && enable symver_asm_label

  6328. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6329. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6330. EOF

  6331.         check_cc <<EOF && enable symver_gnu_asm

  6332. __asm__(".symver ff_foo,av_foo@VERSION");

  6333. void ff_foo(void) {}

  6334. EOF

  6335.     fi

  6336. fi

  6337. 

  6338. if [ -z "$optflags" ]; then

  6339.     if enabled small; then

  6340.         optflags=$cflags_size

  6341.     elif enabled optimizations; then

  6342.         optflags=$cflags_speed

  6343.     else

  6344.         optflags=$cflags_noopt

  6345.     fi

  6346. fi

  6347. 

  6348. if [ -z "$nvccflags" ]; then

  6349.     nvccflags=$nvccflags_default

  6350. fi

  6351. 

  6352. if enabled x86_64 || enabled ppc64 || enabled aarch64; then

  6353.     nvccflags="$nvccflags -m64"

  6354. else

  6355.     nvccflags="$nvccflags -m32"

  6356. fi

  6357. 

  6358. check_optflags(){

  6359.     check_cflags "$@"

  6360.     enabled lto && check_ldflags "$@"

  6361. }

  6362. 

  6363. check_optflags $optflags

  6364. check_optflags -fno-math-errno

  6365. check_optflags -fno-signed-zeros

  6366. 

  6367. if enabled lto; then

  6368.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6369.     check_cflags  -flto

  6370.     check_ldflags -flto $cpuflags

  6371.     disable inline_asm_direct_symbol_refs

  6372. fi

  6373. 

  6374. enabled ftrapv && check_cflags -ftrapv

  6375. 

  6376. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6377. int x;

  6378. EOF

  6379. 

  6380. 

  6381. if enabled icc; then

  6382.     # Just warnings, no remarks

  6383.     check_cflags -w1

  6384.     # -wd: Disable following warnings

  6385.     # 144, 167, 556: -Wno-pointer-sign

  6386.     # 188: enumerated type mixed with another type

  6387.     # 1292: attribute "foo" ignored

  6388.     # 1419: external declaration in primary source file

  6389.     # 10006: ignoring unknown option -fno-signed-zeros

  6390.     # 10148: ignoring unknown option -Wno-parentheses

  6391.     # 10156: ignoring option '-W'; no argument required

  6392.     # 13200: No EMMS instruction before call to function

  6393.     # 13203: No EMMS instruction before return from function

  6394.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6395.     # 11030: Warning unknown option --as-needed

  6396.     # 10156: ignoring option '-export'; no argument required

  6397.     check_ldflags -wd10156,11030

  6398.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6399.     enable ebp_available

  6400.     # The test above does not test linking

  6401.     enabled lto && disable symver_asm_label

  6402.     if enabled x86_32; then

  6403.         icc_version=$($cc -dumpversion)

  6404.         test ${icc_version%%.*} -ge 11 &&

  6405.             check_cflags -falign-stack=maintain-16-byte ||

  6406.             disable aligned_stack

  6407.     fi

  6408. elif enabled gcc; then

  6409.     check_optflags -fno-tree-vectorize

  6410.     check_cflags -Werror=format-security

  6411.     check_cflags -Werror=implicit-function-declaration

  6412.     check_cflags -Werror=missing-prototypes

  6413.     check_cflags -Werror=return-type

  6414.     check_cflags -Werror=vla

  6415.     check_cflags -Wformat

  6416.     check_cflags -fdiagnostics-color=auto

  6417.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6418. elif enabled llvm_gcc; then

  6419.     check_cflags -mllvm -stack-alignment=16

  6420. elif enabled clang; then

  6421.     check_cflags -mllvm -stack-alignment=16

  6422.     check_cflags -mstack-alignment=16

  6423.     check_cflags -Qunused-arguments

  6424.     check_cflags -Werror=implicit-function-declaration

  6425.     check_cflags -Werror=missing-prototypes

  6426.     check_cflags -Werror=return-type

  6427. elif enabled cparser; then

  6428.     add_cflags -Wno-missing-variable-declarations

  6429.     add_cflags -Wno-empty-statement

  6430. elif enabled armcc; then

  6431.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6432.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6433.     # 2523: use of inline assembly is deprecated

  6434.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6435.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6436.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6437.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6438.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6439.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6440. elif enabled pathscale; then

  6441.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6442.     disable inline_asm

  6443. elif enabled_any msvc icl; then

  6444.     enabled x86_32 && disable aligned_stack

  6445.     enabled_all x86_32 debug && add_cflags -Oy-

  6446.     enabled debug && add_ldflags -debug

  6447.     enable pragma_deprecated

  6448.     if enabled icl; then

  6449.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6450.         # (correctly) on icl 13.x.

  6451.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6452.             add_cflags -Qansi-alias

  6453.         # Some inline asm is not compilable in debug

  6454.         if enabled debug; then

  6455.             disable ebp_available

  6456.             disable ebx_available

  6457.         fi

  6458.     fi

  6459.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6460.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6461.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6462.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6463.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6464.     # MSVC 2013 and newer can handle it fine.

  6465.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6466.     # happens in config.h.

  6467.     if [ $_restrict != restrict ]; then

  6468.         check_cc <<EOF || add_cflags -FIstdlib.h

  6469. __declspec($_restrict) void* foo(int);

  6470. EOF

  6471.     fi

  6472.     # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code

  6473.     # Issue has been fixed in MSVC v19.00.24218.

  6474.     check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||

  6475.         check_cflags -d2SSAOptimizer-

  6476.     # enable utf-8 source processing on VS2015 U2 and newer

  6477.     check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&

  6478.         add_cflags -utf-8

  6479. fi

  6480. 

  6481. for pfx in "" host_; do

  6482.     varname=${pfx%_}cc_type

  6483.     eval "type=\$$varname"

  6484.     if [ "$type" = "msvc" ]; then

  6485.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6486. static inline int foo(int a) { return a; }

  6487. EOF

  6488.     fi

  6489. done

  6490. 

  6491. case $as_type in

  6492.     clang)

  6493.         add_asflags -Qunused-arguments

  6494.     ;;

  6495. esac

  6496. 

  6497. case $ld_type in

  6498.     clang)

  6499.         check_ldflags -Qunused-arguments

  6500.     ;;

  6501. esac

  6502. 

  6503. enable frame_thread_encoder

  6504. 

  6505. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6506. 

  6507. check_deps $CONFIG_LIST       \

  6508.            $CONFIG_EXTRA      \

  6509.            $HAVE_LIST         \

  6510.            $ALL_COMPONENTS    \

  6511. 

  6512. 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"

  6513. 

  6514. 

  6515. if test $target_os = "haiku"; then

  6516.     disable memalign

  6517.     disable posix_memalign

  6518. fi

  6519. 

  6520. flatten_extralibs(){

  6521.     unset nested_entries

  6522.     list_name=$1

  6523.     eval list=\$${1}

  6524.     for entry in $list; do

  6525.         entry_copy=$entry

  6526.         resolve entry_copy

  6527.         append nested_entries $(filter '*_extralibs' $entry_copy)

  6528.         flat_entries=$(filter_out '*_extralibs' $entry_copy)

  6529.         eval $entry="\$flat_entries"

  6530.     done

  6531.     append $list_name "$nested_entries"

  6532. 

  6533.     resolve nested_entries

  6534.     if test -n "$(filter '*_extralibs' $nested_entries)"; then

  6535.         flatten_extralibs $list_name

  6536.     fi

  6537. }

  6538. 

  6539. flatten_extralibs_wrapper(){

  6540.     list_name=$1

  6541.     flatten_extralibs $list_name

  6542.     unique $list_name

  6543.     resolve $list_name

  6544.     eval $list_name=\$\(\$ldflags_filter \$$list_name\)

  6545.     eval printf \''%s'\' \""\$$list_name"\"

  6546. }

  6547. 

  6548. for linkunit in $LIBRARY_LIST; do

  6549.     unset current_extralibs

  6550.     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST

  6551.     for comp in ${components}; do

  6552.         enabled $comp || continue

  6553.         comp_extralibs="${comp}_extralibs"

  6554.         append current_extralibs $comp_extralibs

  6555.     done

  6556.     eval prepend ${linkunit}_extralibs $current_extralibs

  6557. done

  6558. 

  6559. for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  6560.     eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)

  6561. done

  6562. 

  6563. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6564. 

  6565. for thread in $THREADS_LIST; do

  6566.     if enabled $thread; then

  6567.         test -n "$thread_type" &&

  6568.             die "ERROR: Only one thread type must be selected." ||

  6569.             thread_type="$thread"

  6570.     fi

  6571. done

  6572. 

  6573. if disabled stdatomic; then

  6574.     if enabled atomics_gcc; then

  6575.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'

  6576.     elif enabled atomics_win32; then

  6577.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'

  6578.     elif enabled atomics_suncc; then

  6579.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'

  6580.     elif enabled pthreads; then

  6581.         add_compat atomics/pthread/stdatomic.o

  6582.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'

  6583.     else

  6584.         enabled threads && die "Threading is enabled, but no atomics are available"

  6585.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'

  6586.     fi

  6587. fi

  6588. 

  6589. # Check if requested libraries were found.

  6590. for lib in $AUTODETECT_LIBS; do

  6591.     requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";

  6592. done

  6593. 

  6594. enabled zlib && add_cppflags -DZLIB_CONST

  6595. 

  6596. # conditional library dependencies, in linking order

  6597. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6598. enabled afir_filter         && prepend avfilter_deps "avcodec"

  6599. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6600. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6601. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6602. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6603. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6604. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6605. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6606. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6607. enabled firequalizer_filter && prepend avfilter_deps "avcodec"

  6608. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6609. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6610. enabled pan_filter          && prepend avfilter_deps "swresample"

  6611. enabled pp_filter           && prepend avfilter_deps "postproc"

  6612. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6613. enabled resample_filter && prepend avfilter_deps "avresample"

  6614. enabled sab_filter          && prepend avfilter_deps "swscale"

  6615. enabled scale_filter    && prepend avfilter_deps "swscale"

  6616. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6617. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6618. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6619. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6620. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6621. enabled signature_filter    && prepend avfilter_deps "avcodec avformat"

  6622. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6623. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6624. enabled spp_filter          && prepend avfilter_deps "avcodec"

  6625. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6626. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6627. enabled zoompan_filter      && prepend avfilter_deps "swscale"

  6628. 

  6629. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6630. 

  6631. #FIXME

  6632. enabled sdl2_outdev     && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)

  6633. 

  6634. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6635. 

  6636. expand_deps(){

  6637.     lib_deps=${1}_deps

  6638.     eval "deps=\$$lib_deps"

  6639.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6640.     unique $lib_deps

  6641. }

  6642. 

  6643. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6644. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6645. 

  6646. map 'expand_deps $v' $LIBRARY_LIST

  6647. 

  6648. license="LGPL version 2.1 or later"

  6649. if enabled nonfree; then

  6650.     license="nonfree and unredistributable"

  6651. elif enabled gplv3; then

  6652.     license="GPL version 3 or later"

  6653. elif enabled lgplv3; then

  6654.     license="LGPL version 3 or later"

  6655. elif enabled gpl; then

  6656.     license="GPL version 2 or later"

  6657. fi

  6658. 

  6659. if test "$quiet" != "yes"; then

  6660. 

  6661. echo "install prefix            $prefix"

  6662. echo "source path               $source_path"

  6663. echo "C compiler                $cc"

  6664. echo "C library                 $libc_type"

  6665. if test "$host_cc" != "$cc"; then

  6666.     echo "host C compiler           $host_cc"

  6667.     echo "host C library            $host_libc_type"

  6668. fi

  6669. echo "ARCH                      $arch ($cpu)"

  6670. if test "$build_suffix" != ""; then

  6671.     echo "build suffix              $build_suffix"

  6672. fi

  6673. if test "$progs_suffix" != ""; then

  6674.     echo "progs suffix              $progs_suffix"

  6675. fi

  6676. if test "$extra_version" != ""; then

  6677.     echo "version string suffix     $extra_version"

  6678. fi

  6679. echo "big-endian                ${bigendian-no}"

  6680. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6681. if enabled x86; then

  6682.     echo "standalone assembly       ${x86asm-no}"

  6683.     echo "x86 assembler             ${x86asmexe}"

  6684.     echo "MMX enabled               ${mmx-no}"

  6685.     echo "MMXEXT enabled            ${mmxext-no}"

  6686.     echo "3DNow! enabled            ${amd3dnow-no}"

  6687.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6688.     echo "SSE enabled               ${sse-no}"

  6689.     echo "SSSE3 enabled             ${ssse3-no}"

  6690.     echo "AESNI enabled             ${aesni-no}"

  6691.     echo "AVX enabled               ${avx-no}"

  6692.     echo "AVX2 enabled              ${avx2-no}"

  6693.     echo "XOP enabled               ${xop-no}"

  6694.     echo "FMA3 enabled              ${fma3-no}"

  6695.     echo "FMA4 enabled              ${fma4-no}"

  6696.     echo "i686 features enabled     ${i686-no}"

  6697.     echo "CMOV is fast              ${fast_cmov-no}"

  6698.     echo "EBX available             ${ebx_available-no}"

  6699.     echo "EBP available             ${ebp_available-no}"

  6700. fi

  6701. if enabled aarch64; then

  6702.     echo "NEON enabled              ${neon-no}"

  6703.     echo "VFP enabled               ${vfp-no}"

  6704. fi

  6705. if enabled arm; then

  6706.     echo "ARMv5TE enabled           ${armv5te-no}"

  6707.     echo "ARMv6 enabled             ${armv6-no}"

  6708.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6709.     echo "VFP enabled               ${vfp-no}"

  6710.     echo "NEON enabled              ${neon-no}"

  6711.     echo "THUMB enabled             ${thumb-no}"

  6712. fi

  6713. if enabled mips; then

  6714.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6715.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6716.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6717.     echo "MIPS MSA enabled          ${msa-no}"

  6718.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6719. fi

  6720. if enabled ppc; then

  6721.     echo "AltiVec enabled           ${altivec-no}"

  6722.     echo "VSX enabled               ${vsx-no}"

  6723.     echo "POWER8 enabled            ${power8-no}"

  6724.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6725.     echo "dcbzl available           ${dcbzl-no}"

  6726. fi

  6727. echo "debug symbols             ${debug-no}"

  6728. echo "strip symbols             ${stripping-no}"

  6729. echo "optimize for size         ${small-no}"

  6730. echo "optimizations             ${optimizations-no}"

  6731. echo "static                    ${static-no}"

  6732. echo "shared                    ${shared-no}"

  6733. echo "postprocessing support    ${postproc-no}"

  6734. echo "network support           ${network-no}"

  6735. echo "threading support         ${thread_type-no}"

  6736. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6737. echo "texi2html enabled         ${texi2html-no}"

  6738. echo "perl enabled              ${perl-no}"

  6739. echo "pod2man enabled           ${pod2man-no}"

  6740. echo "makeinfo enabled          ${makeinfo-no}"

  6741. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6742. test -n "$random_seed" &&

  6743.     echo "random seed               ${random_seed}"

  6744. echo

  6745. 

  6746. echo "External libraries:"

  6747. print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns

  6748. echo

  6749. 

  6750. echo "External libraries providing hardware acceleration:"

  6751. print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns

  6752. echo

  6753. 

  6754. echo "Libraries:"

  6755. print_enabled '' $LIBRARY_LIST | print_in_columns

  6756. echo

  6757. 

  6758. echo "Programs:"

  6759. print_enabled '' $PROGRAM_LIST | print_in_columns

  6760. echo

  6761. 

  6762. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6763.     echo "Enabled ${type}s:"

  6764.     eval list=\$$(toupper $type)_LIST

  6765.     print_enabled '_*' $list | print_in_columns

  6766.     echo

  6767. done

  6768. 

  6769. if test -n "$ignore_tests"; then

  6770.     ignore_tests=$(echo $ignore_tests | tr ',' ' ')

  6771.     echo "Ignored FATE tests:"

  6772.     echo $ignore_tests | print_in_columns

  6773.     echo

  6774. fi

  6775. 

  6776. echo "License: $license"

  6777. 

  6778. fi # test "$quiet" != "yes"

  6779. 

  6780. if test -n "$WARNINGS"; then

  6781.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6782.     enabled fatal_warnings && exit 1

  6783. fi

  6784. 

  6785. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6786. 

  6787. esc(){

  6788.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  6789. }

  6790. 

  6791. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate

  6792. 

  6793. enabled stripping || strip="echo skipping strip"

  6794. enabled stripping || striptype=""

  6795. 

  6796. config_files="$TMPH ffbuild/config.mak doc/config.texi"

  6797. 

  6798. cat > ffbuild/config.mak <<EOF

  6799. # Automatically generated by configure - do not modify!

  6800. ifndef FFMPEG_CONFIG_MAK

  6801. FFMPEG_CONFIG_MAK=1

  6802. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6803. prefix=$prefix

  6804. LIBDIR=\$(DESTDIR)$libdir

  6805. SHLIBDIR=\$(DESTDIR)$shlibdir

  6806. INCDIR=\$(DESTDIR)$incdir

  6807. BINDIR=\$(DESTDIR)$bindir

  6808. DATADIR=\$(DESTDIR)$datadir

  6809. DOCDIR=\$(DESTDIR)$docdir

  6810. MANDIR=\$(DESTDIR)$mandir

  6811. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6812. INSTALL_NAME_DIR=$install_name_dir

  6813. SRC_PATH=$source_path

  6814. SRC_LINK=$source_link

  6815. ifndef MAIN_MAKEFILE

  6816. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6817. endif

  6818. CC_IDENT=$cc_ident

  6819. ARCH=$arch

  6820. INTRINSICS=$intrinsics

  6821. EXTERN_PREFIX=$extern_prefix

  6822. CC=$cc

  6823. CXX=$cxx

  6824. AS=$as

  6825. OBJCC=$objcc

  6826. LD=$ld

  6827. DEPCC=$dep_cc

  6828. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6829. DEPAS=$as

  6830. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6831. X86ASM=$x86asmexe

  6832. DEPX86ASM=$x86asmexe

  6833. DEPX86ASMFLAGS=\$(X86ASMFLAGS)

  6834. AR=$ar

  6835. ARFLAGS=$arflags

  6836. AR_O=$ar_o

  6837. AR_CMD=$ar

  6838. NM_CMD=$nm

  6839. RANLIB=$ranlib

  6840. STRIP=$strip

  6841. STRIPTYPE=$striptype

  6842. NVCC=$nvcc

  6843. CP=cp -p

  6844. LN_S=$ln_s

  6845. CPPFLAGS=$CPPFLAGS

  6846. CFLAGS=$CFLAGS

  6847. CXXFLAGS=$CXXFLAGS

  6848. OBJCFLAGS=$OBJCFLAGS

  6849. ASFLAGS=$ASFLAGS

  6850. NVCCFLAGS=$nvccflags

  6851. AS_C=$AS_C

  6852. AS_O=$AS_O

  6853. OBJCC_C=$OBJCC_C

  6854. OBJCC_E=$OBJCC_E

  6855. OBJCC_O=$OBJCC_O

  6856. CC_C=$CC_C

  6857. CC_E=$CC_E

  6858. CC_O=$CC_O

  6859. CXX_C=$CXX_C

  6860. CXX_O=$CXX_O

  6861. NVCC_C=$NVCC_C

  6862. NVCC_O=$NVCC_O

  6863. LD_O=$LD_O

  6864. X86ASM_O=$X86ASM_O

  6865. LD_LIB=$LD_LIB

  6866. LD_PATH=$LD_PATH

  6867. WINDRES=$windres

  6868. DEPWINDRES=$dep_cc

  6869. DOXYGEN=$doxygen

  6870. LDFLAGS=$LDFLAGS

  6871. LDEXEFLAGS=$LDEXEFLAGS

  6872. LDSOFLAGS=$LDSOFLAGS

  6873. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6874. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6875. X86ASMFLAGS=$X86ASMFLAGS

  6876. BUILDSUF=$build_suffix

  6877. PROGSSUF=$progs_suffix

  6878. FULLNAME=$FULLNAME

  6879. LIBPREF=$LIBPREF

  6880. LIBSUF=$LIBSUF

  6881. LIBNAME=$LIBNAME

  6882. SLIBPREF=$SLIBPREF

  6883. SLIBSUF=$SLIBSUF

  6884. EXESUF=$EXESUF

  6885. EXTRA_VERSION=$extra_version

  6886. CCDEP=$CCDEP

  6887. CXXDEP=$CXXDEP

  6888. CCDEP_FLAGS=$CCDEP_FLAGS

  6889. ASDEP=$ASDEP

  6890. ASDEP_FLAGS=$ASDEP_FLAGS

  6891. X86ASMDEP=$X86ASMDEP

  6892. X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS

  6893. CC_DEPFLAGS=$CC_DEPFLAGS

  6894. AS_DEPFLAGS=$AS_DEPFLAGS

  6895. X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS

  6896. HOSTCC=$host_cc

  6897. HOSTLD=$host_ld

  6898. HOSTCFLAGS=$host_cflags

  6899. HOSTCPPFLAGS=$host_cppflags

  6900. HOSTEXESUF=$HOSTEXESUF

  6901. HOSTLDFLAGS=$host_ldflags

  6902. HOSTEXTRALIBS=$host_extralibs

  6903. DEPHOSTCC=$host_cc

  6904. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6905. HOSTCCDEP=$HOSTCCDEP

  6906. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6907. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6908. HOSTCC_C=$HOSTCC_C

  6909. HOSTCC_O=$HOSTCC_O

  6910. HOSTLD_O=$HOSTLD_O

  6911. TARGET_EXEC=$target_exec $target_exec_args

  6912. TARGET_PATH=$target_path

  6913. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6914. CFLAGS-ffplay=${sdl2_cflags}

  6915. CFLAGS_HEADERS=$CFLAGS_HEADERS

  6916. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6917. EXTRALIBS=$extralibs

  6918. COMPAT_OBJS=$compat_objs

  6919. INSTALL=$install

  6920. SLIBNAME=${SLIBNAME}

  6921. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6922. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6923. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6924. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6925. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6926. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6927. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6928. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6929. VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}

  6930. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6931. NOREDZONE_FLAGS=$noredzone_flags

  6932. LIBFUZZER_PATH=$libfuzzer_path

  6933. IGNORE_TESTS=$ignore_tests

  6934. EOF

  6935. 

  6936. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST

  6937. 

  6938. for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  6939.     eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak

  6940. done

  6941. 

  6942. cat > $TMPH <<EOF

  6943. /* Automatically generated by configure - do not modify! */

  6944. #ifndef FFMPEG_CONFIG_H

  6945. #define FFMPEG_CONFIG_H

  6946. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6947. #define FFMPEG_LICENSE "$(c_escape $license)"

  6948. #define CONFIG_THIS_YEAR 2017

  6949. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6950. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6951. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6952. #define av_restrict $_restrict

  6953. #define EXTERN_PREFIX "${extern_prefix}"

  6954. #define EXTERN_ASM ${extern_prefix}

  6955. #define BUILDSUF "$build_suffix"

  6956. #define SLIBSUF "$SLIBSUF"

  6957. #define HAVE_MMX2 HAVE_MMXEXT

  6958. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6959. EOF

  6960. 

  6961. test -n "$assert_level" &&

  6962.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6963. 

  6964. test -n "$malloc_prefix" &&

  6965.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6966. 

  6967. if enabled x86asm; then

  6968.     append config_files $TMPASM

  6969.     cat > $TMPASM <<EOF

  6970. ; Automatically generated by configure - do not modify!

  6971. EOF

  6972. fi

  6973. 

  6974. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6975. 

  6976. 

  6977. mkdir -p doc

  6978. mkdir -p tests

  6979. mkdir -p tests/api

  6980. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6981. 

  6982. print_config ARCH_   "$config_files" $ARCH_LIST

  6983. print_config HAVE_   "$config_files" $HAVE_LIST

  6984. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6985.                                      $CONFIG_EXTRA      \

  6986.                                      $ALL_COMPONENTS    \

  6987. 

  6988. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6989. echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak

  6990. 

  6991. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6992. cp_if_changed $TMPH config.h

  6993. touch ffbuild/.config

  6994. 

  6995. enabled x86asm && cp_if_changed $TMPASM config.asm

  6996. 

  6997. cat > $TMPH <<EOF

  6998. /* Generated by ffmpeg configure */

  6999. #ifndef AVUTIL_AVCONFIG_H

  7000. #define AVUTIL_AVCONFIG_H

  7001. EOF

  7002. 

  7003. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  7004. 

  7005. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  7006. 

  7007. cp_if_changed $TMPH libavutil/avconfig.h

  7008. 

  7009. # generate the lists of enabled components

  7010. print_enabled_components(){

  7011.     file=$1

  7012.     struct_name=$2

  7013.     name=$3

  7014.     shift 3

  7015.     echo "static const $struct_name * const $name[] = {" > $TMPH

  7016.     for c in $*; do

  7017.         enabled $c && printf "    &ff_%s,\n" $c >> $TMPH

  7018.     done

  7019.     echo "    NULL };" >> $TMPH

  7020.     cp_if_changed $TMPH $file

  7021. }

  7022. 

  7023. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  7024. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  7025. 

  7026. # Settings for pkg-config files

  7027. 

  7028. cat > $TMPH <<EOF

  7029. # Automatically generated by configure - do not modify!

  7030. shared=$shared

  7031. build_suffix=$build_suffix

  7032. prefix=$prefix

  7033. libdir=$libdir

  7034. incdir=$incdir

  7035. rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")

  7036. source_path=${source_path}

  7037. LIBPREF=${LIBPREF}

  7038. LIBSUF=${LIBSUF}

  7039. extralibs_avutil="$avutil_extralibs"

  7040. extralibs_avcodec="$avcodec_extralibs"

  7041. extralibs_avformat="$avformat_extralibs"

  7042. extralibs_avdevice="$avdevice_extralibs"

  7043. extralibs_avfilter="$avfilter_extralibs"

  7044. extralibs_avresample="$avresample_extralibs"

  7045. extralibs_postproc="$postproc_extralibs"

  7046. extralibs_swscale="$swscale_extralibs"

  7047. extralibs_swresample="$swresample_extralibs"

  7048. EOF

  7049. 

  7050. for lib in $LIBRARY_LIST; do

  7051.     lib_deps="$(eval echo \$${lib}_deps)"

  7052.     echo ${lib}_deps=\"$lib_deps\" >> $TMPH

  7053. done

  7054. 

  7055. cp_if_changed $TMPH ffbuild/config.sh