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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

  5. # Copyright (c) 2000-2002 Fabrice Bellard

  6. # Copyright (c) 2005-2008 Diego Biurrun

  7. # Copyright (c) 2005-2008 Mans Rullgard

  8. #

  9. 

  10. # Prevent locale nonsense from breaking basic text processing.

  11. LC_ALL=C

  12. export LC_ALL

  13. 

  14. # make sure we are running under a compatible shell

  15. # try to make this part work with most shells

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

  19.     type "$1" > /dev/null 2>&1 && exec "$@"

  20. }

  21. 

  22. unset foo

  23. (: ${foo%%bar}) 2> /dev/null

  24. E1="$?"

  25. 

  26. (: ${foo?}) 2> /dev/null

  27. E2="$?"

  28. 

  29. if test "$E1" != 0 || test "$E2" = 0; then

  30.     echo "Broken shell detected.  Trying alternatives."

  31.     export FF_CONF_EXEC

  32.     if test "0$FF_CONF_EXEC" -lt 1; then

  33.         FF_CONF_EXEC=1

  34.         try_exec bash "$0" "$@"

  35.     fi

  36.     if test "0$FF_CONF_EXEC" -lt 2; then

  37.         FF_CONF_EXEC=2

  38.         try_exec ksh "$0" "$@"

  39.     fi

  40.     if test "0$FF_CONF_EXEC" -lt 3; then

  41.         FF_CONF_EXEC=3

  42.         try_exec /usr/xpg4/bin/sh "$0" "$@"

  43.     fi

  44.     echo "No compatible shell script interpreter found."

  45.     echo "This configure script requires a POSIX-compatible shell"

  46.     echo "such as bash or ksh."

  47.     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."

  48.     echo "Instead, install a working POSIX-compatible shell."

  49.     echo "Disabling this configure test will create a broken FFmpeg."

  50.     if test "$BASH_VERSION" = '2.04.0(1)-release'; then

  51.         echo "This bash version ($BASH_VERSION) is broken on your platform."

  52.         echo "Upgrade to a later version if available."

  53.     fi

  54.     exit 1

  55. fi

  56. 

  57. test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

  68.   --list-hwaccels          show all available hardware accelerators

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

  73.   --list-bsfs              show all available bitstream filters

  74.   --list-indevs            show all available input devices

  75.   --list-outdevs           show all available output devices

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

  79.   --logfile=FILE           log tests and output to FILE [config.log]

  80.   --disable-logging        do not log configure debug information

  81.   --fatal-warnings         fail if any configure warning is generated

  82.   --prefix=PREFIX          install in PREFIX [$prefix]

  83.   --bindir=DIR             install binaries in DIR [PREFIX/bin]

  84.   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]

  85.   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]

  86.   --libdir=DIR             install libs in DIR [PREFIX/lib]

  87.   --shlibdir=DIR           install shared libs in DIR [LIBDIR]

  88.   --incdir=DIR             install includes in DIR [PREFIX/include]

  89.   --mandir=DIR             install man page in DIR [PREFIX/share/man]

  90.   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]

  91.   --enable-rpath           use rpath to allow installing libraries in paths

  92.                            not part of the dynamic linker search path

  93.                            use rpath when linking programs [USE WITH CARE]

  94.   --install-name-dir=DIR   Darwin directory name for installed targets

  95. 

  96. Licensing options:

  97.   --enable-gpl             allow use of GPL code, the resulting libs

  98.                            and binaries will be under GPL [no]

  99.   --enable-version3        upgrade (L)GPL to version 3 [no]

  100.   --enable-nonfree         allow use of nonfree code, the resulting libs

  101.                            and binaries will be unredistributable [no]

  102. 

  103. Configuration options:

  104.   --disable-static         do not build static libraries [no]

  105.   --enable-shared          build shared libraries [no]

  106.   --enable-small           optimize for size instead of speed

  107.   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)

  108.   --enable-gray            enable full grayscale support (slower color)

  109.   --disable-swscale-alpha  disable alpha channel support in swscale

  110.   --disable-all            disable building components, libraries and programs

  111.   --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]

  112.   --enable-raise-major     increase major version numbers in sonames [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. Hardware accelerators:

  153.   --disable-d3d11va        disable D3D11VA code [autodetect]

  154.   --disable-dxva2          disable DXVA2 code [autodetect]

  155.   --disable-vaapi          disable VAAPI code [autodetect]

  156.   --disable-vda            disable VDA code [autodetect]

  157.   --disable-vdpau          disable VDPAU code [autodetect]

  158. 

  159. Individual component options:

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

  161.   --disable-encoder=NAME   disable encoder NAME

  162.   --enable-encoder=NAME    enable encoder NAME

  163.   --disable-encoders       disable all encoders

  164.   --disable-decoder=NAME   disable decoder NAME

  165.   --enable-decoder=NAME    enable decoder NAME

  166.   --disable-decoders       disable all decoders

  167.   --disable-hwaccel=NAME   disable hwaccel NAME

  168.   --enable-hwaccel=NAME    enable hwaccel NAME

  169.   --disable-hwaccels       disable all hwaccels

  170.   --disable-muxer=NAME     disable muxer NAME

  171.   --enable-muxer=NAME      enable muxer NAME

  172.   --disable-muxers         disable all muxers

  173.   --disable-demuxer=NAME   disable demuxer NAME

  174.   --enable-demuxer=NAME    enable demuxer NAME

  175.   --disable-demuxers       disable all demuxers

  176.   --enable-parser=NAME     enable parser NAME

  177.   --disable-parser=NAME    disable parser NAME

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

  182.   --enable-protocol=NAME   enable protocol NAME

  183.   --disable-protocol=NAME  disable protocol NAME

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

  192.   --enable-filter=NAME     enable filter NAME

  193.   --disable-filter=NAME    disable filter NAME

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

  197.   --disable-audiotoolbox   enable AudioToolbox decoders and encoders [autodetect]

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

  199.   --disable-bzlib          disable bzlib [autodetect]

  200.   --enable-cuda            enable dynamically linked CUDA [no]

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

  202.   --enable-fontconfig      enable fontconfig, useful for drawtext filter [no]

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

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

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

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

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

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

  209.                            if openssl is not used [no]

  210.   --disable-iconv          disable iconv [autodetect]

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

  212.   --enable-ladspa          enable LADSPA audio filtering [no]

  213.   --enable-libass          enable libass subtitles rendering,

  214.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  221.                            and libraw1394 [no]

  222.   --enable-libfaac         enable AAC encoding via libfaac [no]

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

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

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

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

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

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

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

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

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

  232.   --enable-libmfx          enable HW acceleration through libmfx

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

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

  235.   --enable-libnut          enable NUT (de)muxing via libnut,

  236.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

  246.   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]

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

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

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

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

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

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

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

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

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

  256.   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]

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

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

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

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

  261.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  277.   --disable-lzma           disable lzma [autodetect]

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

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

  280.   --enable-mmal            enable decoding via MMAL [no]

  281.   --enable-netcdf          enable NetCDF, needed for sofalizer filter [no]

  282.   --enable-nvenc           enable NVIDIA NVENC support [no]

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

  284.   --enable-opencl          enable OpenCL code

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

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

  287.                            if gnutls is not used [no]

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

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

  290.   --disable-sdl            disable sdl [autodetect]

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

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

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

  294.   --enable-x11grab         enable X11 grabbing (legacy) [no]

  295.   --disable-xlib           disable xlib [autodetect]

  296.   --disable-zlib           disable zlib [autodetect]

  297. 

  298. Toolchain options:

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

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

  301.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  318.   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  340.   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]

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

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

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

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

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

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

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

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

  349. 

  350. Advanced options (experts only):

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

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

  353.   --disable-symver         disable symbol versioning

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

  355.   --disable-safe-bitstream-reader

  356.                            disable buffer boundary checking in bitreaders

  357.                            (faster, but may crash)

  358.   --enable-memalign-hack   emulate memalign, interferes with memory debuggers

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

  360. 

  361. Optimization options (experts only):

  362.   --disable-asm            disable all assembly optimizations

  363.   --disable-altivec        disable AltiVec optimizations

  364.   --disable-vsx            disable VSX optimizations

  365.   --disable-power8         disable POWER8 optimizations

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

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

  368.   --disable-mmx            disable MMX optimizations

  369.   --disable-mmxext         disable MMXEXT optimizations

  370.   --disable-sse            disable SSE optimizations

  371.   --disable-sse2           disable SSE2 optimizations

  372.   --disable-sse3           disable SSE3 optimizations

  373.   --disable-ssse3          disable SSSE3 optimizations

  374.   --disable-sse4           disable SSE4 optimizations

  375.   --disable-sse42          disable SSE4.2 optimizations

  376.   --disable-avx            disable AVX optimizations

  377.   --disable-xop            disable XOP optimizations

  378.   --disable-fma3           disable FMA3 optimizations

  379.   --disable-fma4           disable FMA4 optimizations

  380.   --disable-avx2           disable AVX2 optimizations

  381.   --disable-aesni          disable AESNI optimizations

  382.   --disable-armv5te        disable armv5te optimizations

  383.   --disable-armv6          disable armv6 optimizations

  384.   --disable-armv6t2        disable armv6t2 optimizations

  385.   --disable-vfp            disable VFP optimizations

  386.   --disable-neon           disable NEON optimizations

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

  388.   --disable-yasm           disable use of nasm/yasm assembly

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

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

  391.   --disable-msa            disable MSA optimizations

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

  393.   --disable-mmi            disable Loongson SIMD optimizations

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

  395. 

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

  397.   --disable-debug          disable debugging symbols

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

  399.   --disable-optimizations  disable compiler optimizations

  400.   --enable-extra-warnings  enable more compiler warnings

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

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

  403.                            2 causes a slowdown at runtime.

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

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

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

  407.                            Cannot be combined with --target-exec

  408.   --enable-ftrapv          Trap arithmetic overflows

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

  410.                            \$FATE_SAMPLES at make invocation time.

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

  412.                            used only for debugging purposes)

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

  414.                            should be used only for debugging purposes)

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

  416.   --disable-random

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

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

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

  420.                            (group) and PROB the probability associated with

  421.                            NAME (default 0.5).

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

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

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

  425. 

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

  427. EOF

  428.   exit 0

  429. }

  430. 

  431. quotes='""'

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

  433.     ncolors=$(tput colors)

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

  435.         bold_color=$(tput bold)

  436.         warn_color=$(tput setaf 3)

  437.         error_color=$(tput setaf 1)

  438.         reset_color=$(tput sgr0)

  439.     fi

  440.     # 72 used instead of 80 since that's the default of pr

  441.     ncols=$(tput cols)

  442. fi

  443. : ${ncols:=72}

  444. 

  445. log(){

  446.     echo "$@" >> $logfile

  447. }

  448. 

  449. log_file(){

  450.     log BEGIN $1

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

  452.     log END $1

  453. }

  454. 

  455. warn(){

  456.     log "WARNING: $*"

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

  458. }

  459. 

  460. die(){

  461.     log "$@"

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

  463.     cat <<EOF

  464. 

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

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

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

  468. EOF

  469.     if disabled logging; then

  470.         cat <<EOF

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

  472. include the log this produces with your report.

  473. EOF

  474.     else

  475.         cat <<EOF

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

  477. solve the problem.

  478. EOF

  479.     fi

  480.     exit 1

  481. }

  482. 

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

  484. toupper(){

  485.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  486. }

  487. 

  488. tolower(){

  489.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  490. }

  491. 

  492. c_escape(){

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

  494. }

  495. 

  496. sh_quote(){

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

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

  499.     echo "$v"

  500. }

  501. 

  502. cleanws(){

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

  504. }

  505. 

  506. filter(){

  507.     pat=$1

  508.     shift

  509.     for v; do

  510.         eval "case $v in $pat) echo $v ;; esac"

  511.     done

  512. }

  513. 

  514. filter_out(){

  515.     pat=$1

  516.     shift

  517.     for v; do

  518.         eval "case $v in $pat) ;; *) echo $v ;; esac"

  519.     done

  520. }

  521. 

  522. map(){

  523.     m=$1

  524.     shift

  525.     for v; do eval $m; done

  526. }

  527. 

  528. add_suffix(){

  529.     suffix=$1

  530.     shift

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

  532. }

  533. 

  534. set_all(){

  535.     value=$1

  536.     shift

  537.     for var in $*; do

  538.         eval $var=$value

  539.     done

  540. }

  541. 

  542. set_weak(){

  543.     value=$1

  544.     shift

  545.     for var; do

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

  547.     done

  548. }

  549. 

  550. sanitize_var_name(){

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

  552. }

  553. 

  554. set_safe(){

  555.     var=$1

  556.     shift

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

  558. }

  559. 

  560. get_safe(){

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

  562. }

  563. 

  564. pushvar(){

  565.     for pvar in $*; do

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

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

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

  569.     done

  570. }

  571. 

  572. popvar(){

  573.     for pvar in $*; do

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

  575.         test $level = 0 && continue

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

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

  578.         eval ${pvar}_level=$level

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

  580.     done

  581. }

  582. 

  583. enable(){

  584.     set_all yes $*

  585. }

  586. 

  587. disable(){

  588.     set_all no $*

  589. }

  590. 

  591. enable_weak(){

  592.     set_weak yes $*

  593. }

  594. 

  595. disable_weak(){

  596.     set_weak no $*

  597. }

  598. 

  599. enable_safe(){

  600.     for var; do

  601.         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')

  602.     done

  603. }

  604. 

  605. disable_safe(){

  606.     for var; do

  607.         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')

  608.     done

  609. }

  610. 

  611. do_enable_deep(){

  612.     for var; do

  613.         enabled $var && continue

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

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

  616.         pushvar var sgs

  617.         enable_deep $sel

  618.         popvar sgs

  619.         enable_deep_weak $sgs

  620.         popvar var

  621.     done

  622. }

  623. 

  624. enable_deep(){

  625.     do_enable_deep $*

  626.     enable $*

  627. }

  628. 

  629. enable_deep_weak(){

  630.     for var; do

  631.         disabled $var && continue

  632.         pushvar var

  633.         do_enable_deep $var

  634.         popvar var

  635.         enable_weak $var

  636.     done

  637. }

  638. 

  639. enabled(){

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

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

  642. }

  643. 

  644. disabled(){

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

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

  647. }

  648. 

  649. enabled_all(){

  650.     for opt; do

  651.         enabled $opt || return 1

  652.     done

  653. }

  654. 

  655. disabled_all(){

  656.     for opt; do

  657.         disabled $opt || return 1

  658.     done

  659. }

  660. 

  661. enabled_any(){

  662.     for opt; do

  663.         enabled $opt && return 0

  664.     done

  665. }

  666. 

  667. disabled_any(){

  668.     for opt; do

  669.         disabled $opt && return 0

  670.     done

  671.     return 1

  672. }

  673. 

  674. set_default(){

  675.     for opt; do

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

  677.     done

  678. }

  679. 

  680. is_in(){

  681.     value=$1

  682.     shift

  683.     for var in $*; do

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

  685.     done

  686.     return 1

  687. }

  688. 

  689. do_check_deps(){

  690.     for cfg; do

  691.         cfg="${cfg#!}"

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

  693.         disabled ${cfg}_checking && continue

  694.         enable ${cfg}_checking

  695.         append allopts $cfg

  696. 

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

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

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

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

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

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

  703. 

  704.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  705.         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn

  706.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  707. 

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

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

  710.         enabled_all  $dep_all || disable $cfg

  711.         enabled_any  $dep_any || disable $cfg

  712.         disabled_any $dep_sel && disable $cfg

  713. 

  714.         if enabled $cfg; then

  715.             enable_deep $dep_sel

  716.             enable_deep_weak $dep_sgs

  717.         fi

  718. 

  719.         disable ${cfg}_checking

  720.     done

  721. }

  722. 

  723. check_deps(){

  724.     unset allopts

  725. 

  726.     do_check_deps "$@"

  727. 

  728.     for cfg in $allopts; do

  729.         enabled $cfg || continue

  730.         eval dep_extralibs="\$${cfg}_extralibs"

  731.         test -n "$dep_extralibs" && add_extralibs $dep_extralibs

  732.     done

  733. }

  734. 

  735. print_config(){

  736.     pfx=$1

  737.     files=$2

  738.     shift 2

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

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

  741.         {

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

  743.             v = \$2;

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

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

  746.             for (f in files) {

  747.                 file = files[f];

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

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

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

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

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

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

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

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

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

  757.                     yesno = \$2;

  758.                     c2 = tolower(c);

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

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

  761.                 }

  762.             }

  763.         }"

  764. }

  765. 

  766. print_enabled(){

  767.     suf=$1

  768.     shift

  769.     for v; do

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

  771.     done

  772. }

  773. 

  774. append(){

  775.     var=$1

  776.     shift

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

  778. }

  779. 

  780. prepend(){

  781.     var=$1

  782.     shift

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

  784. }

  785. 

  786. unique(){

  787.     var=$1

  788.     uniq_list=""

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

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

  791.     done

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

  793. }

  794. 

  795. add_cppflags(){

  796.     append CPPFLAGS "$@"

  797. }

  798. 

  799. add_cflags(){

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

  801. }

  802. 

  803. add_cxxflags(){

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

  805. }

  806. 

  807. add_asflags(){

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

  809. }

  810. 

  811. add_objcflags(){

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

  813. }

  814. 

  815. add_ldflags(){

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

  817. }

  818. 

  819. add_ldexeflags(){

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

  821. }

  822. 

  823. add_ldlibflags(){

  824.     append LDLIBFLAGS $($ldflags_filter "$@")

  825. }

  826. 

  827. add_stripflags(){

  828.     append ASMSTRIPFLAGS "$@"

  829. }

  830. 

  831. add_extralibs(){

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

  833. }

  834. 

  835. add_host_cppflags(){

  836.     append host_cppflags "$@"

  837. }

  838. 

  839. add_host_cflags(){

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

  841. }

  842. 

  843. add_host_ldflags(){

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

  845. }

  846. 

  847. add_compat(){

  848.     append compat_objs $1

  849.     shift

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

  851. }

  852. 

  853. check_cmd(){

  854.     log "$@"

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

  856. }

  857. 

  858. check_stat(){

  859.     log check_stat "$@"

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

  861. }

  862. 

  863. cc_o(){

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

  865. }

  866. 

  867. cc_e(){

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

  869. }

  870. 

  871. check_cc(){

  872.     log check_cc "$@"

  873.     cat > $TMPC

  874.     log_file $TMPC

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

  876. }

  877. 

  878. check_cxx(){

  879.     log check_cxx "$@"

  880.     cat > $TMPCPP

  881.     log_file $TMPCPP

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

  883. }

  884. 

  885. check_objcc(){

  886.     log check_objcc "$@"

  887.     cat > $TMPM

  888.     log_file $TMPM

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

  890. }

  891. 

  892. check_cpp(){

  893.     log check_cpp "$@"

  894.     cat > $TMPC

  895.     log_file $TMPC

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

  897. }

  898. 

  899. as_o(){

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

  901. }

  902. 

  903. check_as(){

  904.     log check_as "$@"

  905.     cat > $TMPS

  906.     log_file $TMPS

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

  908. }

  909. 

  910. check_inline_asm(){

  911.     log check_inline_asm "$@"

  912.     name="$1"

  913.     code="$2"

  914.     shift 2

  915.     disable $name

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

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

  918. EOF

  919. }

  920. 

  921. check_inline_asm_flags(){

  922.     log check_inline_asm_flags "$@"

  923.     name="$1"

  924.     code="$2"

  925.     flags=''

  926.     shift 2

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

  928.       append flags $1

  929.       shift

  930.     done;

  931.     disable $name

  932.     cat > $TMPC <<EOF

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

  934. EOF

  935.     log_file $TMPC

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

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

  938. }

  939. 

  940. check_insn(){

  941.     log check_insn "$@"

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

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

  944. }

  945. 

  946. check_yasm(){

  947.     log check_yasm "$@"

  948.     echo "$1" > $TMPS

  949.     log_file $TMPS

  950.     shift 1

  951.     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS

  952. }

  953. 

  954. ld_o(){

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

  956. }

  957. 

  958. check_ld(){

  959.     log check_ld "$@"

  960.     type=$1

  961.     shift 1

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

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

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

  965.     flags=$($ldflags_filter $flags)

  966.     libs=$($ldflags_filter $libs)

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

  968. }

  969. 

  970. print_include(){

  971.     hdr=$1

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

  973.         echo "#include $hdr"    ||

  974.         echo "#include <$hdr>"

  975. }

  976. 

  977. check_code(){

  978.     log check_code "$@"

  979.     check=$1

  980.     headers=$2

  981.     code=$3

  982.     shift 3

  983.     {

  984.         for hdr in $headers; do

  985.             print_include $hdr

  986.         done

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

  988.     } | check_$check "$@"

  989. }

  990. 

  991. check_cppflags(){

  992.     log check_cppflags "$@"

  993.     check_cc "$@" <<EOF && append CPPFLAGS "$@"

  994. int x;

  995. EOF

  996. }

  997. 

  998. test_cflags(){

  999.     log test_cflags "$@"

  1000.     set -- $($cflags_filter "$@")

  1001.     check_cc "$@" <<EOF

  1002. int x;

  1003. EOF

  1004. }

  1005. 

  1006. check_cflags(){

  1007.     log check_cflags "$@"

  1008.     test_cflags "$@" && add_cflags "$@"

  1009. }

  1010. 

  1011. check_cxxflags(){

  1012.     log check_cxxflags "$@"

  1013.     set -- $($cflags_filter "$@")

  1014.     check_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1015. int x;

  1016. EOF

  1017. }

  1018. 

  1019. test_objcflags(){

  1020.     log test_cflags "$@"

  1021.     set -- $($cflags_filter "$@")

  1022.     check_objcc "$@" <<EOF

  1023. int x;

  1024. EOF

  1025. }

  1026. 

  1027. check_objcflags(){

  1028.     log check_cflags "$@"

  1029.     test_objcflags "$@" && add_objcflags "$@"

  1030. }

  1031. 

  1032. test_ldflags(){

  1033.     log test_ldflags "$@"

  1034.     check_ld "cc" "$@" <<EOF

  1035. int main(void){ return 0; }

  1036. EOF

  1037. }

  1038. 

  1039. check_ldflags(){

  1040.     log check_ldflags "$@"

  1041.     test_ldflags "$@" && add_ldflags "$@"

  1042. }

  1043. 

  1044. test_stripflags(){

  1045.     log test_stripflags "$@"

  1046.     # call check_cc to get a fresh TMPO

  1047.     check_cc <<EOF

  1048. int main(void) { return 0; }

  1049. EOF

  1050.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1051. }

  1052. 

  1053. check_stripflags(){

  1054.     log check_stripflags "$@"

  1055.     test_stripflags "$@" && add_stripflags "$@"

  1056. }

  1057. 

  1058. check_header(){

  1059.     log check_header "$@"

  1060.     header=$1

  1061.     shift

  1062.     disable_safe $header

  1063.     check_cpp "$@" <<EOF && enable_safe $header

  1064. #include <$header>

  1065. int x;

  1066. EOF

  1067. }

  1068. 

  1069. check_header_objcc(){

  1070.     log check_header_objcc "$@"

  1071.     rm -f -- "$TMPO"

  1072.     header=$1

  1073.     shift

  1074.     disable_safe $header

  1075.     {

  1076.        echo "#include <$header>"

  1077.        echo "int main(void) { return 0; }"

  1078.     } | check_objcc && check_stat "$TMPO" && enable_safe $headers

  1079. }

  1080. 

  1081. check_func(){

  1082.     log check_func "$@"

  1083.     func=$1

  1084.     shift

  1085.     disable $func

  1086.     check_ld "cc" "$@" <<EOF && enable $func

  1087. extern int $func();

  1088. int main(void){ $func(); }

  1089. EOF

  1090. }

  1091. 

  1092. check_complexfunc(){

  1093.     log check_complexfunc "$@"

  1094.     func=$1

  1095.     narg=$2

  1096.     shift 2

  1097.     test $narg = 2 && args="f, g" || args="f * I"

  1098.     disable $func

  1099.     check_ld "cc" "$@" <<EOF && enable $func

  1100. #include <complex.h>

  1101. #include <math.h>

  1102. float foo(complex float f, complex float g) { return $func($args); }

  1103. int main(void){ return (int) foo; }

  1104. EOF

  1105. }

  1106. 

  1107. check_mathfunc(){

  1108.     log check_mathfunc "$@"

  1109.     func=$1

  1110.     narg=$2

  1111.     shift 2

  1112.     test $narg = 2 && args="f, g" || args="f"

  1113.     disable $func

  1114.     check_ld "cc" "$@" <<EOF && enable $func

  1115. #include <math.h>

  1116. float foo(float f, float g) { return $func($args); }

  1117. int main(void){ return (int) foo; }

  1118. EOF

  1119. }

  1120. 

  1121. check_func_headers(){

  1122.     log check_func_headers "$@"

  1123.     headers=$1

  1124.     funcs=$2

  1125.     shift 2

  1126.     {

  1127.         for hdr in $headers; do

  1128.             print_include $hdr

  1129.         done

  1130.         for func in $funcs; do

  1131.             echo "long check_$func(void) { return (long) $func; }"

  1132.         done

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

  1134.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1135. }

  1136. 

  1137. check_class_headers_cpp(){

  1138.     log check_class_headers_cpp "$@"

  1139.     headers=$1

  1140.     classes=$2

  1141.     shift 2

  1142.     {

  1143.         for hdr in $headers; do

  1144.             echo "#include <$hdr>"

  1145.         done

  1146.         echo "int main(void) { "

  1147.         i=1

  1148.         for class in $classes; do

  1149.             echo "$class obj$i;"

  1150.             i=$(expr $i + 1)

  1151.         done

  1152.         echo "return 0; }"

  1153.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1154. }

  1155. 

  1156. check_cpp_condition(){

  1157.     log check_cpp_condition "$@"

  1158.     header=$1

  1159.     condition=$2

  1160.     shift 2

  1161.     check_cpp "$@" <<EOF

  1162. #include <$header>

  1163. #if !($condition)

  1164. #error "unsatisfied condition: $condition"

  1165. #endif

  1166. EOF

  1167. }

  1168. 

  1169. check_lib(){

  1170.     log check_lib "$@"

  1171.     header="$1"

  1172.     func="$2"

  1173.     shift 2

  1174.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1175. }

  1176. 

  1177. check_lib2(){

  1178.     log check_lib2 "$@"

  1179.     headers="$1"

  1180.     funcs="$2"

  1181.     shift 2

  1182.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1183. }

  1184. 

  1185. check_lib_cpp(){

  1186.     log check_lib_cpp "$@"

  1187.     headers="$1"

  1188.     classes="$2"

  1189.     shift 2

  1190.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1191. }

  1192. 

  1193. check_pkg_config(){

  1194.     log check_pkg_config "$@"

  1195.     pkgandversion="$1"

  1196.     pkg="${1%% *}"

  1197.     headers="$2"

  1198.     funcs="$3"

  1199.     shift 3

  1200.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1201.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1202.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1203.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1204.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1205.         set_safe "${pkg}_libs"   $pkg_libs

  1206. }

  1207. 

  1208. check_exec(){

  1209.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1210. }

  1211. 

  1212. check_exec_crash(){

  1213.     code=$(cat)

  1214. 

  1215.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1216.     # are safe but may not be available everywhere.  Thus we use

  1217.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1218.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1219.     # is not defined by standard C so it is used conditionally.

  1220. 

  1221.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1222. #include <signal.h>

  1223. static void sighandler(int sig){

  1224.     raise(SIGTERM);

  1225. }

  1226. int foo(void){

  1227.     $code

  1228. }

  1229. int (*func_ptr)(void) = foo;

  1230. int main(void){

  1231.     signal(SIGILL, sighandler);

  1232.     signal(SIGFPE, sighandler);

  1233.     signal(SIGSEGV, sighandler);

  1234. #ifdef SIGBUS

  1235.     signal(SIGBUS, sighandler);

  1236. #endif

  1237.     return func_ptr();

  1238. }

  1239. EOF

  1240. }

  1241. 

  1242. check_type(){

  1243.     log check_type "$@"

  1244.     headers=$1

  1245.     type=$2

  1246.     shift 2

  1247.     disable_safe "$type"

  1248.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1249. }

  1250. 

  1251. check_struct(){

  1252.     log check_struct "$@"

  1253.     headers=$1

  1254.     struct=$2

  1255.     member=$3

  1256.     shift 3

  1257.     disable_safe "${struct}_${member}"

  1258.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1259.         enable_safe "${struct}_${member}"

  1260. }

  1261. 

  1262. check_builtin(){

  1263.     log check_builtin "$@"

  1264.     name=$1

  1265.     headers=$2

  1266.     builtin=$3

  1267.     shift 3

  1268.     disable "$name"

  1269.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1270. }

  1271. 

  1272. check_compile_assert(){

  1273.     log check_compile_assert "$@"

  1274.     name=$1

  1275.     headers=$2

  1276.     condition=$3

  1277.     shift 3

  1278.     disable "$name"

  1279.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1280. }

  1281. 

  1282. require(){

  1283.     name="$1"

  1284.     header="$2"

  1285.     func="$3"

  1286.     shift 3

  1287.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1288. }

  1289. 

  1290. require2(){

  1291.     name="$1"

  1292.     headers="$2"

  1293.     func="$3"

  1294.     shift 3

  1295.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1296. }

  1297. 

  1298. require_cpp(){

  1299.     name="$1"

  1300.     headers="$2"

  1301.     classes="$3"

  1302.     shift 3

  1303.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1304. }

  1305. 

  1306. use_pkg_config(){

  1307.     pkg="$1"

  1308.     check_pkg_config "$@" || return 1

  1309.     add_cflags    $(get_safe "${pkg}_cflags")

  1310.     add_extralibs $(get_safe "${pkg}_libs")

  1311. }

  1312. 

  1313. require_pkg_config(){

  1314.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1315. }

  1316. 

  1317. require_libfreetype(){

  1318.     log require_libfreetype "$@"

  1319.     pkg="freetype2"

  1320.     check_cmd $pkg_config --exists --print-errors $pkg \

  1321.       || die "ERROR: $pkg not found"

  1322.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1323.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1324.     {

  1325.         echo "#include <ft2build.h>"

  1326.         echo "#include FT_FREETYPE_H"

  1327.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1328.         echo "int main(void) { return 0; }"

  1329.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1330.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1331.       && set_safe "${pkg}_libs"   $pkg_libs \

  1332.       || die "ERROR: $pkg not found"

  1333.     add_cflags    $(get_safe "${pkg}_cflags")

  1334.     add_extralibs $(get_safe "${pkg}_libs")

  1335. }

  1336. 

  1337. hostcc_e(){

  1338.     eval printf '%s\\n' $HOSTCC_E

  1339. }

  1340. 

  1341. hostcc_o(){

  1342.     eval printf '%s\\n' $HOSTCC_O

  1343. }

  1344. 

  1345. check_host_cc(){

  1346.     log check_host_cc "$@"

  1347.     cat > $TMPC

  1348.     log_file $TMPC

  1349.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1350. }

  1351. 

  1352. check_host_cpp(){

  1353.     log check_host_cpp "$@"

  1354.     cat > $TMPC

  1355.     log_file $TMPC

  1356.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1357. }

  1358. 

  1359. check_host_cppflags(){

  1360.     log check_host_cppflags "$@"

  1361.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1362. int x;

  1363. EOF

  1364. }

  1365. 

  1366. check_host_cflags(){

  1367.     log check_host_cflags "$@"

  1368.     set -- $($host_cflags_filter "$@")

  1369.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1370. int x;

  1371. EOF

  1372. }

  1373. 

  1374. check_host_cpp_condition(){

  1375.     log check_host_cpp_condition "$@"

  1376.     header=$1

  1377.     condition=$2

  1378.     shift 2

  1379.     check_host_cpp "$@" <<EOF

  1380. #include <$header>

  1381. #if !($condition)

  1382. #error "unsatisfied condition: $condition"

  1383. #endif

  1384. EOF

  1385. }

  1386. 

  1387. cp_if_changed(){

  1388.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1389.     mkdir -p "$(dirname $2)"

  1390.     $cp_f "$1" "$2"

  1391. }

  1392. 

  1393. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1394. # system-dependent things.

  1395. 

  1396. AVCODEC_COMPONENTS="

  1397.     bsfs

  1398.     decoders

  1399.     encoders

  1400.     hwaccels

  1401.     parsers

  1402. "

  1403. 

  1404. AVDEVICE_COMPONENTS="

  1405.     indevs

  1406.     outdevs

  1407. "

  1408. AVFILTER_COMPONENTS="

  1409.     filters

  1410. "

  1411. AVFORMAT_COMPONENTS="

  1412.     demuxers

  1413.     muxers

  1414.     protocols

  1415. "

  1416. 

  1417. AVRESAMPLE_COMPONENTS=""

  1418. AVUTIL_COMPONENTS=""

  1419. 

  1420. COMPONENT_LIST="

  1421.     $AVCODEC_COMPONENTS

  1422.     $AVDEVICE_COMPONENTS

  1423.     $AVFILTER_COMPONENTS

  1424.     $AVFORMAT_COMPONENTS

  1425.     $AVRESAMPLE_COMPONENTS

  1426.     $AVUTIL_COMPONENTS

  1427. "

  1428. 

  1429. EXAMPLE_LIST="

  1430.     avio_reading_example

  1431.     avio_dir_cmd_example

  1432.     decoding_encoding_example

  1433.     demuxing_decoding_example

  1434.     extract_mvs_example

  1435.     filter_audio_example

  1436.     filtering_audio_example

  1437.     filtering_video_example

  1438.     metadata_example

  1439.     muxing_example

  1440.     qsvdec_example

  1441.     remuxing_example

  1442.     resampling_audio_example

  1443.     scaling_video_example

  1444.     transcode_aac_example

  1445.     transcoding_example

  1446. "

  1447. 

  1448. EXTERNAL_LIBRARY_LIST="

  1449.     audiotoolbox

  1450.     avisynth

  1451.     bzlib

  1452.     chromaprint

  1453.     crystalhd

  1454.     cuda

  1455.     decklink

  1456.     frei0r

  1457.     gcrypt

  1458.     gmp

  1459.     gnutls

  1460.     iconv

  1461.     jni

  1462.     ladspa

  1463.     libass

  1464.     libbluray

  1465.     libbs2b

  1466.     libcaca

  1467.     libcdio

  1468.     libcelt

  1469.     libdc1394

  1470.     libfaac

  1471.     libfdk_aac

  1472.     libflite

  1473.     libfontconfig

  1474.     libfreetype

  1475.     libfribidi

  1476.     libgme

  1477.     libgsm

  1478.     libiec61883

  1479.     libilbc

  1480.     libkvazaar

  1481.     libmfx

  1482.     libmodplug

  1483.     libmp3lame

  1484.     libnut

  1485.     libopencore_amrnb

  1486.     libopencore_amrwb

  1487.     libopencv

  1488.     libopenh264

  1489.     libopenjpeg

  1490.     libopus

  1491.     libpulse

  1492.     librtmp

  1493.     librubberband

  1494.     libschroedinger

  1495.     libshine

  1496.     libsmbclient

  1497.     libsnappy

  1498.     libsoxr

  1499.     libspeex

  1500.     libssh

  1501.     libtesseract

  1502.     libtheora

  1503.     libtwolame

  1504.     libutvideo

  1505.     libv4l2

  1506.     libvidstab

  1507.     libvo_amrwbenc

  1508.     libvorbis

  1509.     libvpx

  1510.     libwavpack

  1511.     libwebp

  1512.     libx264

  1513.     libx265

  1514.     libxavs

  1515.     libxcb

  1516.     libxcb_shm

  1517.     libxcb_shape

  1518.     libxcb_xfixes

  1519.     libxvid

  1520.     libzimg

  1521.     libzmq

  1522.     libzvbi

  1523.     lzma

  1524.     mediacodec

  1525.     mmal

  1526.     netcdf

  1527.     nvenc

  1528.     openal

  1529.     opencl

  1530.     opengl

  1531.     openssl

  1532.     schannel

  1533.     sdl

  1534.     securetransport

  1535.     videotoolbox

  1536.     x11grab

  1537.     xlib

  1538.     zlib

  1539. "

  1540. 

  1541. DOCUMENT_LIST="

  1542.     doc

  1543.     htmlpages

  1544.     manpages

  1545.     podpages

  1546.     txtpages

  1547. "

  1548. 

  1549. FEATURE_LIST="

  1550.     ftrapv

  1551.     gray

  1552.     hardcoded_tables

  1553.     runtime_cpudetect

  1554.     safe_bitstream_reader

  1555.     shared

  1556.     small

  1557.     static

  1558.     swscale_alpha

  1559. "

  1560. 

  1561. HWACCEL_LIST="

  1562.     d3d11va

  1563.     dxva2

  1564.     vaapi

  1565.     vda

  1566.     vdpau

  1567.     videotoolbox_hwaccel

  1568.     xvmc

  1569. "

  1570. 

  1571. LIBRARY_LIST="

  1572.     avcodec

  1573.     avdevice

  1574.     avfilter

  1575.     avformat

  1576.     avresample

  1577.     avutil

  1578.     postproc

  1579.     swresample

  1580.     swscale

  1581. "

  1582. 

  1583. LICENSE_LIST="

  1584.     gpl

  1585.     nonfree

  1586.     version3

  1587. "

  1588. 

  1589. PROGRAM_LIST="

  1590.     ffplay

  1591.     ffprobe

  1592.     ffserver

  1593.     ffmpeg

  1594. "

  1595. 

  1596. SUBSYSTEM_LIST="

  1597.     dct

  1598.     dwt

  1599.     error_resilience

  1600.     faan

  1601.     fast_unaligned

  1602.     fft

  1603.     lsp

  1604.     lzo

  1605.     mdct

  1606.     pixelutils

  1607.     network

  1608.     rdft

  1609. "

  1610. 

  1611. CONFIG_LIST="

  1612.     $COMPONENT_LIST

  1613.     $DOCUMENT_LIST

  1614.     $EXAMPLE_LIST

  1615.     $EXTERNAL_LIBRARY_LIST

  1616.     $FEATURE_LIST

  1617.     $HWACCEL_LIST

  1618.     $LICENSE_LIST

  1619.     $LIBRARY_LIST

  1620.     $PROGRAM_LIST

  1621.     $SUBSYSTEM_LIST

  1622.     fontconfig

  1623.     incompatible_libav_abi

  1624.     memalign_hack

  1625.     memory_poisoning

  1626.     neon_clobber_test

  1627.     pic

  1628.     pod2man

  1629.     raise_major

  1630.     thumb

  1631.     valgrind_backtrace

  1632.     xmm_clobber_test

  1633. "

  1634. 

  1635. THREADS_LIST="

  1636.     pthreads

  1637.     os2threads

  1638.     w32threads

  1639. "

  1640. 

  1641. ATOMICS_LIST="

  1642.     atomics_gcc

  1643.     atomics_suncc

  1644.     atomics_win32

  1645. "

  1646. 

  1647. ARCH_LIST="

  1648.     aarch64

  1649.     alpha

  1650.     arm

  1651.     avr32

  1652.     avr32_ap

  1653.     avr32_uc

  1654.     bfin

  1655.     ia64

  1656.     m68k

  1657.     mips

  1658.     mips64

  1659.     parisc

  1660.     ppc

  1661.     ppc64

  1662.     s390

  1663.     sh4

  1664.     sparc

  1665.     sparc64

  1666.     tilegx

  1667.     tilepro

  1668.     tomi

  1669.     x86

  1670.     x86_32

  1671.     x86_64

  1672. "

  1673. 

  1674. ARCH_EXT_LIST_ARM="

  1675.     armv5te

  1676.     armv6

  1677.     armv6t2

  1678.     armv8

  1679.     neon

  1680.     vfp

  1681.     vfpv3

  1682.     setend

  1683. "

  1684. 

  1685. ARCH_EXT_LIST_MIPS="

  1686.     mipsfpu

  1687.     mips32r2

  1688.     mips32r5

  1689.     mips64r2

  1690.     mips32r6

  1691.     mips64r6

  1692.     mipsdsp

  1693.     mipsdspr2

  1694.     msa

  1695. "

  1696. 

  1697. ARCH_EXT_LIST_LOONGSON="

  1698.     loongson2

  1699.     loongson3

  1700.     mmi

  1701. "

  1702. 

  1703. ARCH_EXT_LIST_X86_SIMD="

  1704.     aesni

  1705.     amd3dnow

  1706.     amd3dnowext

  1707.     avx

  1708.     avx2

  1709.     fma3

  1710.     fma4

  1711.     mmx

  1712.     mmxext

  1713.     sse

  1714.     sse2

  1715.     sse3

  1716.     sse4

  1717.     sse42

  1718.     ssse3

  1719.     xop

  1720. "

  1721. 

  1722. ARCH_EXT_LIST_PPC="

  1723.     altivec

  1724.     dcbzl

  1725.     ldbrx

  1726.     power8

  1727.     ppc4xx

  1728.     vsx

  1729. "

  1730. 

  1731. ARCH_EXT_LIST_X86="

  1732.     $ARCH_EXT_LIST_X86_SIMD

  1733.     cpunop

  1734.     i686

  1735. "

  1736. 

  1737. ARCH_EXT_LIST="

  1738.     $ARCH_EXT_LIST_ARM

  1739.     $ARCH_EXT_LIST_PPC

  1740.     $ARCH_EXT_LIST_X86

  1741.     $ARCH_EXT_LIST_MIPS

  1742.     $ARCH_EXT_LIST_LOONGSON

  1743. "

  1744. 

  1745. ARCH_FEATURES="

  1746.     aligned_stack

  1747.     fast_64bit

  1748.     fast_clz

  1749.     fast_cmov

  1750.     local_aligned_8

  1751.     local_aligned_16

  1752.     local_aligned_32

  1753.     simd_align_16

  1754. "

  1755. 

  1756. BUILTIN_LIST="

  1757.     atomic_cas_ptr

  1758.     atomic_compare_exchange

  1759.     machine_rw_barrier

  1760.     MemoryBarrier

  1761.     mm_empty

  1762.     rdtsc

  1763.     sarestart

  1764.     sem_timedwait

  1765.     sync_val_compare_and_swap

  1766. "

  1767. HAVE_LIST_CMDLINE="

  1768.     inline_asm

  1769.     symver

  1770.     yasm

  1771. "

  1772. 

  1773. HAVE_LIST_PUB="

  1774.     bigendian

  1775.     fast_unaligned

  1776.     incompatible_libav_abi

  1777. "

  1778. 

  1779. HEADERS_LIST="

  1780.     alsa_asoundlib_h

  1781.     altivec_h

  1782.     arpa_inet_h

  1783.     asm_types_h

  1784.     cdio_paranoia_h

  1785.     cdio_paranoia_paranoia_h

  1786.     dispatch_dispatch_h

  1787.     dev_bktr_ioctl_bt848_h

  1788.     dev_bktr_ioctl_meteor_h

  1789.     dev_ic_bt8xx_h

  1790.     dev_video_bktr_ioctl_bt848_h

  1791.     dev_video_meteor_ioctl_meteor_h

  1792.     direct_h

  1793.     dirent_h

  1794.     dlfcn_h

  1795.     d3d11_h

  1796.     dxva_h

  1797.     ES2_gl_h

  1798.     gsm_h

  1799.     io_h

  1800.     mach_mach_time_h

  1801.     machine_ioctl_bt848_h

  1802.     machine_ioctl_meteor_h

  1803.     malloc_h

  1804.     opencv2_core_core_c_h

  1805.     openjpeg_2_1_openjpeg_h

  1806.     openjpeg_2_0_openjpeg_h

  1807.     openjpeg_1_5_openjpeg_h

  1808.     OpenGL_gl3_h

  1809.     poll_h

  1810.     sndio_h

  1811.     soundcard_h

  1812.     sys_mman_h

  1813.     sys_param_h

  1814.     sys_resource_h

  1815.     sys_select_h

  1816.     sys_soundcard_h

  1817.     sys_time_h

  1818.     sys_un_h

  1819.     sys_videoio_h

  1820.     termios_h

  1821.     udplite_h

  1822.     unistd_h

  1823.     valgrind_valgrind_h

  1824.     windows_h

  1825.     winsock2_h

  1826. "

  1827. 

  1828. INTRINSICS_LIST="

  1829.     intrinsics_neon

  1830. "

  1831. 

  1832. COMPLEX_FUNCS="

  1833.     cabs

  1834.     cexp

  1835. "

  1836. 

  1837. MATH_FUNCS="

  1838.     atanf

  1839.     atan2f

  1840.     cbrt

  1841.     cbrtf

  1842.     copysign

  1843.     cosf

  1844.     erf

  1845.     exp2

  1846.     exp2f

  1847.     expf

  1848.     hypot

  1849.     isfinite

  1850.     isinf

  1851.     isnan

  1852.     ldexpf

  1853.     llrint

  1854.     llrintf

  1855.     log2

  1856.     log2f

  1857.     log10f

  1858.     lrint

  1859.     lrintf

  1860.     powf

  1861.     rint

  1862.     round

  1863.     roundf

  1864.     sinf

  1865.     trunc

  1866.     truncf

  1867. "

  1868. 

  1869. SYSTEM_FUNCS="

  1870.     access

  1871.     aligned_malloc

  1872.     arc4random

  1873.     clock_gettime

  1874.     closesocket

  1875.     CommandLineToArgvW

  1876.     CoTaskMemFree

  1877.     CryptGenRandom

  1878.     dlopen

  1879.     fcntl

  1880.     flt_lim

  1881.     fork

  1882.     getaddrinfo

  1883.     gethrtime

  1884.     getopt

  1885.     GetProcessAffinityMask

  1886.     GetProcessMemoryInfo

  1887.     GetProcessTimes

  1888.     getrusage

  1889.     GetSystemTimeAsFileTime

  1890.     gettimeofday

  1891.     glob

  1892.     glXGetProcAddress

  1893.     gmtime_r

  1894.     inet_aton

  1895.     isatty

  1896.     jack_port_get_latency_range

  1897.     kbhit

  1898.     localtime_r

  1899.     lstat

  1900.     lzo1x_999_compress

  1901.     mach_absolute_time

  1902.     MapViewOfFile

  1903.     memalign

  1904.     mkstemp

  1905.     mmap

  1906.     mprotect

  1907.     nanosleep

  1908.     PeekNamedPipe

  1909.     posix_memalign

  1910.     pthread_cancel

  1911.     sched_getaffinity

  1912.     SetConsoleTextAttribute

  1913.     SetConsoleCtrlHandler

  1914.     setmode

  1915.     setrlimit

  1916.     Sleep

  1917.     strerror_r

  1918.     sysconf

  1919.     sysctl

  1920.     usleep

  1921.     UTGetOSTypeFromString

  1922.     VirtualAlloc

  1923.     wglGetProcAddress

  1924. "

  1925. 

  1926. TOOLCHAIN_FEATURES="

  1927.     as_dn_directive

  1928.     as_func

  1929.     as_object_arch

  1930.     asm_mod_q

  1931.     attribute_may_alias

  1932.     attribute_packed

  1933.     ebp_available

  1934.     ebx_available

  1935.     gnu_as

  1936.     gnu_windres

  1937.     ibm_asm

  1938.     inline_asm_direct_symbol_refs

  1939.     inline_asm_labels

  1940.     inline_asm_nonlocal_labels

  1941.     pragma_deprecated

  1942.     rsync_contimeout

  1943.     symver_asm_label

  1944.     symver_gnu_asm

  1945.     vfp_args

  1946.     xform_asm

  1947.     xmm_clobbers

  1948. "

  1949. 

  1950. TYPES_LIST="

  1951.     CONDITION_VARIABLE_Ptr

  1952.     socklen_t

  1953.     struct_addrinfo

  1954.     struct_group_source_req

  1955.     struct_ip_mreq_source

  1956.     struct_ipv6_mreq

  1957.     struct_msghdr_msg_flags

  1958.     struct_pollfd

  1959.     struct_rusage_ru_maxrss

  1960.     struct_sctp_event_subscribe

  1961.     struct_sockaddr_in6

  1962.     struct_sockaddr_sa_len

  1963.     struct_sockaddr_storage

  1964.     struct_stat_st_mtim_tv_nsec

  1965.     struct_v4l2_frmivalenum_discrete

  1966. "

  1967. 

  1968. HAVE_LIST="

  1969.     $ARCH_EXT_LIST

  1970.     $(add_suffix _external $ARCH_EXT_LIST)

  1971.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1972.     $ARCH_FEATURES

  1973.     $ATOMICS_LIST

  1974.     $BUILTIN_LIST

  1975.     $COMPLEX_FUNCS

  1976.     $HAVE_LIST_CMDLINE

  1977.     $HAVE_LIST_PUB

  1978.     $HEADERS_LIST

  1979.     $INTRINSICS_LIST

  1980.     $MATH_FUNCS

  1981.     $SYSTEM_FUNCS

  1982.     $THREADS_LIST

  1983.     $TOOLCHAIN_FEATURES

  1984.     $TYPES_LIST

  1985.     atomics_native

  1986.     dos_paths

  1987.     dxva2_lib

  1988.     dxva2api_cobj

  1989.     libc_msvcrt

  1990.     libdc1394_1

  1991.     libdc1394_2

  1992.     makeinfo

  1993.     makeinfo_html

  1994.     perl

  1995.     pod2man

  1996.     sdl

  1997.     section_data_rel_ro

  1998.     texi2html

  1999.     threads

  2000.     vaapi_x11

  2001.     vdpau_x11

  2002.     winrt

  2003.     xlib

  2004. "

  2005. 

  2006. # options emitted with CONFIG_ prefix but not available on the command line

  2007. CONFIG_EXTRA="

  2008.     aandcttables

  2009.     ac3dsp

  2010.     audio_frame_queue

  2011.     audiodsp

  2012.     blockdsp

  2013.     bswapdsp

  2014.     cabac

  2015.     dirac_parse

  2016.     dvprofile

  2017.     exif

  2018.     faandct

  2019.     faanidct

  2020.     fdctdsp

  2021.     flacdsp

  2022.     fmtconvert

  2023.     frame_thread_encoder

  2024.     g722dsp

  2025.     golomb

  2026.     gplv3

  2027.     h263dsp

  2028.     h264chroma

  2029.     h264dsp

  2030.     h264pred

  2031.     h264qpel

  2032.     hpeldsp

  2033.     huffman

  2034.     huffyuvdsp

  2035.     huffyuvencdsp

  2036.     idctdsp

  2037.     iirfilter

  2038.     imdct15

  2039.     intrax8

  2040.     iso_media

  2041.     ividsp

  2042.     jpegtables

  2043.     lgplv3

  2044.     libx262

  2045.     llauddsp

  2046.     llviddsp

  2047.     lpc

  2048.     lzf

  2049.     me_cmp

  2050.     mpeg_er

  2051.     mpegaudio

  2052.     mpegaudiodsp

  2053.     mpegvideo

  2054.     mpegvideoenc

  2055.     mss34dsp

  2056.     pixblockdsp

  2057.     qpeldsp

  2058.     qsv

  2059.     qsvdec

  2060.     qsvenc

  2061.     rangecoder

  2062.     riffdec

  2063.     riffenc

  2064.     rtpdec

  2065.     rtpenc_chain

  2066.     rv34dsp

  2067.     sinewin

  2068.     snappy

  2069.     startcode

  2070.     texturedsp

  2071.     texturedspenc

  2072.     tpeldsp

  2073.     vc1dsp

  2074.     videodsp

  2075.     vp3dsp

  2076.     vp56dsp

  2077.     vp8dsp

  2078.     wma_freqs

  2079.     wmv2dsp

  2080. "

  2081. 

  2082. CMDLINE_SELECT="

  2083.     $ARCH_EXT_LIST

  2084.     $CONFIG_LIST

  2085.     $HAVE_LIST_CMDLINE

  2086.     $THREADS_LIST

  2087.     asm

  2088.     cross_compile

  2089.     debug

  2090.     extra_warnings

  2091.     logging

  2092.     lto

  2093.     optimizations

  2094.     rpath

  2095.     stripping

  2096. "

  2097. 

  2098. PATHS_LIST="

  2099.     bindir

  2100.     datadir

  2101.     docdir

  2102.     incdir

  2103.     libdir

  2104.     mandir

  2105.     pkgconfigdir

  2106.     prefix

  2107.     shlibdir

  2108.     install_name_dir

  2109. "

  2110. 

  2111. CMDLINE_SET="

  2112.     $PATHS_LIST

  2113.     ar

  2114.     arch

  2115.     as

  2116.     assert_level

  2117.     build_suffix

  2118.     cc

  2119.     objcc

  2120.     cpu

  2121.     cross_prefix

  2122.     custom_allocator

  2123.     cxx

  2124.     dep_cc

  2125.     doxygen

  2126.     env

  2127.     extra_version

  2128.     gas

  2129.     host_cc

  2130.     host_cflags

  2131.     host_ld

  2132.     host_ldflags

  2133.     host_libs

  2134.     host_os

  2135.     install

  2136.     ld

  2137.     logfile

  2138.     malloc_prefix

  2139.     nm

  2140.     optflags

  2141.     pkg_config

  2142.     pkg_config_flags

  2143.     progs_suffix

  2144.     random_seed

  2145.     ranlib

  2146.     samples

  2147.     strip

  2148.     sws_max_filter_size

  2149.     sysinclude

  2150.     sysroot

  2151.     target_exec

  2152.     target_os

  2153.     target_path

  2154.     target_samples

  2155.     tempprefix

  2156.     toolchain

  2157.     valgrind

  2158.     yasmexe

  2159. "

  2160. 

  2161. CMDLINE_APPEND="

  2162.     extra_cflags

  2163.     extra_cxxflags

  2164.     extra_objcflags

  2165.     host_cppflags

  2166. "

  2167. 

  2168. # code dependency declarations

  2169. 

  2170. # architecture extensions

  2171. 

  2172. armv5te_deps="arm"

  2173. armv6_deps="arm"

  2174. armv6t2_deps="arm"

  2175. armv8_deps="aarch64"

  2176. neon_deps_any="aarch64 arm"

  2177. intrinsics_neon_deps="neon"

  2178. vfp_deps_any="aarch64 arm"

  2179. vfpv3_deps="vfp"

  2180. setend_deps="arm"

  2181. 

  2182. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2183. 

  2184. mipsfpu_deps="mips"

  2185. mipsdsp_deps="mips"

  2186. mipsdspr2_deps="mips"

  2187. mips32r2_deps="mips"

  2188. mips32r5_deps="mips"

  2189. mips32r6_deps="mips"

  2190. mips64r2_deps="mips"

  2191. mips64r6_deps="mips"

  2192. msa_deps="mipsfpu"

  2193. mmi_deps="mips"

  2194. 

  2195. altivec_deps="ppc"

  2196. dcbzl_deps="ppc"

  2197. ldbrx_deps="ppc"

  2198. ppc4xx_deps="ppc"

  2199. vsx_deps="altivec"

  2200. power8_deps="vsx"

  2201. 

  2202. cpunop_deps="i686"

  2203. x86_64_select="i686"

  2204. x86_64_suggest="fast_cmov"

  2205. 

  2206. amd3dnow_deps="mmx"

  2207. amd3dnowext_deps="amd3dnow"

  2208. i686_deps="x86"

  2209. mmx_deps="x86"

  2210. mmxext_deps="mmx"

  2211. sse_deps="mmxext"

  2212. sse2_deps="sse"

  2213. sse3_deps="sse2"

  2214. ssse3_deps="sse3"

  2215. sse4_deps="ssse3"

  2216. sse42_deps="sse4"

  2217. aesni_deps="sse42"

  2218. avx_deps="sse42"

  2219. xop_deps="avx"

  2220. fma3_deps="avx"

  2221. fma4_deps="avx"

  2222. avx2_deps="avx"

  2223. 

  2224. mmx_external_deps="yasm"

  2225. mmx_inline_deps="inline_asm"

  2226. mmx_suggest="mmx_external mmx_inline"

  2227. 

  2228. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2229.     eval dep=\$${ext}_deps

  2230.     eval ${ext}_external_deps='"${dep}_external"'

  2231.     eval ${ext}_inline_deps='"${dep}_inline"'

  2232.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2233. done

  2234. 

  2235. aligned_stack_if_any="aarch64 ppc x86"

  2236. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2237. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2238. fast_unaligned_if_any="aarch64 ppc x86"

  2239. simd_align_16_if_any="altivec neon sse"

  2240. 

  2241. # system capabilities

  2242. symver_if_any="symver_asm_label symver_gnu_asm"

  2243. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2244. 

  2245. # threading support

  2246. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2247. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2248. atomics_win32_if="MemoryBarrier"

  2249. atomics_native_if_any="$ATOMICS_LIST"

  2250. w32threads_deps="atomics_native"

  2251. threads_if_any="$THREADS_LIST"

  2252. 

  2253. # subsystems

  2254. dct_select="rdft"

  2255. dirac_parse_select="golomb"

  2256. error_resilience_select="me_cmp"

  2257. faandct_deps="faan fdctdsp"

  2258. faanidct_deps="faan idctdsp"

  2259. h264dsp_select="startcode"

  2260. frame_thread_encoder_deps="encoders threads"

  2261. intrax8_select="error_resilience"

  2262. mdct_select="fft"

  2263. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2264. mpeg_er_select="error_resilience"

  2265. mpegaudio_select="mpegaudiodsp"

  2266. mpegaudiodsp_select="dct"

  2267. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2268. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2269. qsvdec_select="qsv"

  2270. qsvenc_select="qsv"

  2271. vc1dsp_select="h264chroma qpeldsp startcode"

  2272. rdft_select="fft"

  2273. 

  2274. # decoders / encoders

  2275. aac_decoder_select="imdct15 mdct sinewin"

  2276. aac_fixed_decoder_select="mdct sinewin"

  2277. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2278. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2279. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2280. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2281. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2282. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2283. adpcm_g722_decoder_select="g722dsp"

  2284. adpcm_g722_encoder_select="g722dsp"

  2285. aic_decoder_select="golomb idctdsp"

  2286. alac_encoder_select="lpc"

  2287. als_decoder_select="bswapdsp"

  2288. amrnb_decoder_select="lsp"

  2289. amrwb_decoder_select="lsp"

  2290. amv_decoder_select="sp5x_decoder exif"

  2291. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2292. ape_decoder_select="bswapdsp llauddsp"

  2293. apng_decoder_select="zlib"

  2294. apng_encoder_select="huffyuvencdsp zlib"

  2295. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2296. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2297. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2298. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2299. atrac1_decoder_select="mdct sinewin"

  2300. atrac3_decoder_select="mdct"

  2301. atrac3p_decoder_select="mdct sinewin"

  2302. avrn_decoder_select="exif jpegtables"

  2303. bink_decoder_select="blockdsp hpeldsp"

  2304. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2305. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2306. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2307. cllc_decoder_select="bswapdsp"

  2308. comfortnoise_encoder_select="lpc"

  2309. cook_decoder_select="audiodsp mdct sinewin"

  2310. cscd_decoder_select="lzo"

  2311. cscd_decoder_suggest="zlib"

  2312. dca_decoder_select="mdct"

  2313. dds_decoder_select="texturedsp"

  2314. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2315. dnxhd_decoder_select="blockdsp idctdsp"

  2316. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2317. dvvideo_decoder_select="dvprofile idctdsp"

  2318. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2319. dxa_decoder_select="zlib"

  2320. dxv_decoder_select="lzf texturedsp"

  2321. eac3_decoder_select="ac3_decoder"

  2322. eac3_encoder_select="ac3_encoder"

  2323. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2324. eatgq_decoder_select="aandcttables"

  2325. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2326. exr_decoder_select="zlib"

  2327. ffv1_decoder_select="golomb rangecoder"

  2328. ffv1_encoder_select="rangecoder"

  2329. ffvhuff_decoder_select="huffyuv_decoder"

  2330. ffvhuff_encoder_select="huffyuv_encoder"

  2331. fic_decoder_select="golomb"

  2332. flac_decoder_select="flacdsp golomb"

  2333. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2334. flashsv2_decoder_select="zlib"

  2335. flashsv2_encoder_select="zlib"

  2336. flashsv_decoder_select="zlib"

  2337. flashsv_encoder_select="zlib"

  2338. flv_decoder_select="h263_decoder"

  2339. flv_encoder_select="h263_encoder"

  2340. fourxm_decoder_select="blockdsp bswapdsp"

  2341. fraps_decoder_select="bswapdsp huffman"

  2342. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2343. g729_decoder_select="audiodsp"

  2344. h261_decoder_select="mpegvideo"

  2345. h261_encoder_select="aandcttables mpegvideoenc"

  2346. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2347. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2348. h263i_decoder_select="h263_decoder"

  2349. h263p_decoder_select="h263_decoder"

  2350. h263p_encoder_select="h263_encoder"

  2351. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"

  2352. h264_decoder_suggest="error_resilience"

  2353. h264_qsv_decoder_deps="libmfx"

  2354. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2355. h264_qsv_encoder_deps="libmfx"

  2356. h264_qsv_encoder_select="qsvenc"

  2357. hap_decoder_select="snappy texturedsp"

  2358. hap_encoder_deps="libsnappy"

  2359. hap_encoder_select="texturedspenc"

  2360. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2361. hevc_qsv_decoder_deps="libmfx"

  2362. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2363. hevc_qsv_encoder_deps="libmfx"

  2364. hevc_qsv_encoder_select="qsvenc"

  2365. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2366. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2367. iac_decoder_select="imc_decoder"

  2368. imc_decoder_select="bswapdsp fft mdct sinewin"

  2369. indeo3_decoder_select="hpeldsp"

  2370. indeo4_decoder_select="ividsp"

  2371. indeo5_decoder_select="ividsp"

  2372. interplay_video_decoder_select="hpeldsp"

  2373. jpegls_decoder_select="golomb mjpeg_decoder"

  2374. jpegls_encoder_select="golomb"

  2375. jv_decoder_select="blockdsp"

  2376. lagarith_decoder_select="huffyuvdsp"

  2377. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2378. loco_decoder_select="golomb"

  2379. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2380. metasound_decoder_select="lsp mdct sinewin"

  2381. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2382. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2383. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2384. mjpegb_decoder_select="mjpeg_decoder"

  2385. mlp_decoder_select="mlp_parser"

  2386. motionpixels_decoder_select="bswapdsp"

  2387. mp1_decoder_select="mpegaudio"

  2388. mp1float_decoder_select="mpegaudio"

  2389. mp2_decoder_select="mpegaudio"

  2390. mp2float_decoder_select="mpegaudio"

  2391. mp3_decoder_select="mpegaudio"

  2392. mp3adu_decoder_select="mpegaudio"

  2393. mp3adufloat_decoder_select="mpegaudio"

  2394. mp3float_decoder_select="mpegaudio"

  2395. mp3on4_decoder_select="mpegaudio"

  2396. mp3on4float_decoder_select="mpegaudio"

  2397. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2398. mpc8_decoder_select="mpegaudiodsp"

  2399. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2400. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2401. mpegvideo_decoder_select="mpegvideo"

  2402. mpeg1video_decoder_select="mpegvideo"

  2403. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2404. mpeg2video_decoder_select="mpegvideo"

  2405. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2406. mpeg2_qsv_decoder_deps="libmfx"

  2407. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2408. mpeg2_qsv_encoder_deps="libmfx"

  2409. mpeg2_qsv_encoder_select="qsvenc"

  2410. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2411. mpeg4_encoder_select="h263_encoder"

  2412. msa1_decoder_select="mss34dsp"

  2413. msmpeg4v1_decoder_select="h263_decoder"

  2414. msmpeg4v2_decoder_select="h263_decoder"

  2415. msmpeg4v2_encoder_select="h263_encoder"

  2416. msmpeg4v3_decoder_select="h263_decoder"

  2417. msmpeg4v3_encoder_select="h263_encoder"

  2418. mss2_decoder_select="vc1_decoder mpegvideo"

  2419. mts2_decoder_select="mss34dsp"

  2420. mxpeg_decoder_select="mjpeg_decoder"

  2421. nellymoser_decoder_select="mdct sinewin"

  2422. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2423. nuv_decoder_select="idctdsp lzo"

  2424. on2avc_decoder_select="mdct"

  2425. opus_decoder_deps="swresample"

  2426. opus_decoder_select="imdct15"

  2427. png_decoder_select="zlib"

  2428. png_encoder_select="huffyuvencdsp zlib"

  2429. prores_decoder_select="blockdsp idctdsp"

  2430. prores_encoder_select="fdctdsp"

  2431. qcelp_decoder_select="lsp"

  2432. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2433. ra_144_decoder_select="audiodsp"

  2434. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2435. ralf_decoder_select="golomb"

  2436. rawvideo_decoder_select="bswapdsp"

  2437. rscc_decoder_select="zlib"

  2438. rtjpeg_decoder_select="me_cmp"

  2439. rv10_decoder_select="h263_decoder"

  2440. rv10_encoder_select="h263_encoder"

  2441. rv20_decoder_select="h263_decoder"

  2442. rv20_encoder_select="h263_encoder"

  2443. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2444. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2445. screenpresso_decoder_select="zlib"

  2446. shorten_decoder_select="golomb"

  2447. sipr_decoder_select="lsp"

  2448. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2449. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2450. sonic_decoder_select="golomb rangecoder"

  2451. sonic_encoder_select="golomb rangecoder"

  2452. sonic_ls_encoder_select="golomb rangecoder"

  2453. sp5x_decoder_select="mjpeg_decoder"

  2454. svq1_decoder_select="hpeldsp"

  2455. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2456. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2457. svq3_decoder_suggest="zlib"

  2458. tak_decoder_select="audiodsp"

  2459. tdsc_decoder_select="zlib mjpeg_decoder"

  2460. theora_decoder_select="vp3_decoder"

  2461. thp_decoder_select="mjpeg_decoder"

  2462. tiff_decoder_suggest="zlib lzma"

  2463. tiff_encoder_suggest="zlib"

  2464. truehd_decoder_select="mlp_parser"

  2465. truemotion2_decoder_select="bswapdsp"

  2466. truespeech_decoder_select="bswapdsp"

  2467. tscc_decoder_select="zlib"

  2468. twinvq_decoder_select="mdct lsp sinewin"

  2469. txd_decoder_select="texturedsp"

  2470. utvideo_decoder_select="bswapdsp"

  2471. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2472. vble_decoder_select="huffyuvdsp"

  2473. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2474. vc1_qsv_decoder_deps="libmfx"

  2475. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2476. vc1image_decoder_select="vc1_decoder"

  2477. vorbis_decoder_select="mdct"

  2478. vorbis_encoder_select="mdct"

  2479. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2480. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2481. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2482. vp6a_decoder_select="vp6_decoder"

  2483. vp6f_decoder_select="vp6_decoder"

  2484. vp7_decoder_select="h264pred videodsp vp8dsp"

  2485. vp8_decoder_select="h264pred videodsp vp8dsp"

  2486. vp9_decoder_select="videodsp vp9_parser"

  2487. webp_decoder_select="vp8_decoder exif"

  2488. wmalossless_decoder_select="llauddsp"

  2489. wmapro_decoder_select="mdct sinewin wma_freqs"

  2490. wmav1_decoder_select="mdct sinewin wma_freqs"

  2491. wmav1_encoder_select="mdct sinewin wma_freqs"

  2492. wmav2_decoder_select="mdct sinewin wma_freqs"

  2493. wmav2_encoder_select="mdct sinewin wma_freqs"

  2494. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2495. wmv1_decoder_select="h263_decoder"

  2496. wmv1_encoder_select="h263_encoder"

  2497. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2498. wmv2_encoder_select="h263_encoder wmv2dsp"

  2499. wmv3_decoder_select="vc1_decoder"

  2500. wmv3image_decoder_select="wmv3_decoder"

  2501. xma1_decoder_select="wmapro_decoder"

  2502. xma2_decoder_select="wmapro_decoder"

  2503. zerocodec_decoder_select="zlib"

  2504. zlib_decoder_select="zlib"

  2505. zlib_encoder_select="zlib"

  2506. zmbv_decoder_select="zlib"

  2507. zmbv_encoder_select="zlib"

  2508. 

  2509. # platform codecs

  2510. audiotoolbox_deps="AudioToolbox_AudioToolbox_h"

  2511. audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"

  2512. 

  2513. # hardware accelerators

  2514. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2515. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2516. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2517. vaapi_deps="va_va_h"

  2518. vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"

  2519. vda_framework_extralibs="-framework VideoDecodeAcceleration"

  2520. vda_deps="vda_framework pthreads"

  2521. vda_extralibs="-framework CoreFoundation -framework QuartzCore"

  2522. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2523. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2524. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2525. xvmc_deps="X11_extensions_XvMClib_h"

  2526. 

  2527. h263_vaapi_hwaccel_deps="vaapi"

  2528. h263_vaapi_hwaccel_select="h263_decoder"

  2529. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2530. h263_videotoolbox_hwaccel_select="h263_decoder"

  2531. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2532. h264_d3d11va_hwaccel_deps="d3d11va"

  2533. h264_d3d11va_hwaccel_select="h264_decoder"

  2534. h264_dxva2_hwaccel_deps="dxva2"

  2535. h264_dxva2_hwaccel_select="h264_decoder"

  2536. h264_mediacodec_decoder_deps="mediacodec"

  2537. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2538. h264_mmal_decoder_deps="mmal"

  2539. h264_mmal_decoder_select="mmal"

  2540. h264_mmal_hwaccel_deps="mmal"

  2541. h264_qsv_hwaccel_deps="libmfx"

  2542. h264_vaapi_hwaccel_deps="vaapi"

  2543. h264_vaapi_hwaccel_select="h264_decoder"

  2544. h264_vda_decoder_deps="vda"

  2545. h264_vda_decoder_select="h264_decoder"

  2546. h264_vda_hwaccel_deps="vda"

  2547. h264_vda_hwaccel_select="h264_decoder"

  2548. h264_vda_old_hwaccel_deps="vda"

  2549. h264_vda_old_hwaccel_select="h264_decoder"

  2550. h264_vdpau_decoder_deps="vdpau"

  2551. h264_vdpau_decoder_select="h264_decoder"

  2552. h264_vdpau_hwaccel_deps="vdpau"

  2553. h264_vdpau_hwaccel_select="h264_decoder"

  2554. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2555. h264_videotoolbox_hwaccel_select="h264_decoder"

  2556. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2557. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2558. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2559. hevc_dxva2_hwaccel_select="hevc_decoder"

  2560. hevc_qsv_hwaccel_deps="libmfx"

  2561. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2562. hevc_vaapi_hwaccel_select="hevc_decoder"

  2563. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2564. hevc_vdpau_hwaccel_select="hevc_decoder"

  2565. mpeg_vdpau_decoder_deps="vdpau"

  2566. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2567. mpeg_xvmc_hwaccel_deps="xvmc"

  2568. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2569. mpeg1_vdpau_decoder_deps="vdpau"

  2570. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2571. mpeg1_vdpau_hwaccel_deps="vdpau"

  2572. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2573. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2574. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2575. mpeg1_xvmc_hwaccel_deps="xvmc"

  2576. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2577. mpeg2_crystalhd_decoder_select="crystalhd"

  2578. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2579. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2580. mpeg2_dxva2_hwaccel_deps="dxva2"

  2581. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2582. mpeg2_mmal_decoder_deps="mmal"

  2583. mpeg2_mmal_decoder_select="mmal"

  2584. mpeg2_mmal_hwaccel_deps="mmal"

  2585. mpeg2_qsv_hwaccel_deps="libmfx"

  2586. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2587. mpeg2_vaapi_hwaccel_deps="vaapi"

  2588. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2589. mpeg2_vdpau_hwaccel_deps="vdpau"

  2590. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2591. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2592. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2593. mpeg2_xvmc_hwaccel_deps="xvmc"

  2594. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2595. mpeg4_crystalhd_decoder_select="crystalhd"

  2596. mpeg4_mmal_decoder_deps="mmal"

  2597. mpeg4_mmal_decoder_select="mmal"

  2598. mpeg4_mmal_hwaccel_deps="mmal"

  2599. mpeg4_vaapi_hwaccel_deps="vaapi"

  2600. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2601. mpeg4_vdpau_decoder_deps="vdpau"

  2602. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2603. mpeg4_vdpau_hwaccel_deps="vdpau"

  2604. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2605. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2606. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2607. msmpeg4_crystalhd_decoder_select="crystalhd"

  2608. vc1_crystalhd_decoder_select="crystalhd"

  2609. vc1_d3d11va_hwaccel_deps="d3d11va"

  2610. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2611. vc1_dxva2_hwaccel_deps="dxva2"

  2612. vc1_dxva2_hwaccel_select="vc1_decoder"

  2613. vc1_mmal_decoder_deps="mmal"

  2614. vc1_mmal_decoder_select="mmal"

  2615. vc1_mmal_hwaccel_deps="mmal"

  2616. vc1_qsv_hwaccel_deps="libmfx"

  2617. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2618. vc1_vaapi_hwaccel_deps="vaapi"

  2619. vc1_vaapi_hwaccel_select="vc1_decoder"

  2620. vc1_vdpau_decoder_deps="vdpau"

  2621. vc1_vdpau_decoder_select="vc1_decoder"

  2622. vc1_vdpau_hwaccel_deps="vdpau"

  2623. vc1_vdpau_hwaccel_select="vc1_decoder"

  2624. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2625. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2626. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2627. vp9_dxva2_hwaccel_select="vp9_decoder"

  2628. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2629. vp9_vaapi_hwaccel_select="vp9_decoder"

  2630. wmv3_crystalhd_decoder_select="crystalhd"

  2631. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2632. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2633. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2634. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2635. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2636. 

  2637. # parsers

  2638. h264_parser_select="h264_decoder"

  2639. hevc_parser_select="golomb"

  2640. mpegvideo_parser_select="mpegvideo"

  2641. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2642. vc1_parser_select="vc1dsp"

  2643. 

  2644. # bitstream_filters

  2645. mjpeg2jpeg_bsf_select="jpegtables"

  2646. 

  2647. # external libraries

  2648. aac_at_decoder_deps="audiotoolbox"

  2649. ac3_at_decoder_deps="audiotoolbox"

  2650. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  2651. alac_at_decoder_deps="audiotoolbox"

  2652. amr_nb_at_decoder_deps="audiotoolbox"

  2653. eac3_at_decoder_deps="audiotoolbox"

  2654. gsm_ms_at_decoder_deps="audiotoolbox"

  2655. ilbc_at_decoder_deps="audiotoolbox"

  2656. mp1_at_decoder_deps="audiotoolbox"

  2657. mp2_at_decoder_deps="audiotoolbox"

  2658. mp3_at_decoder_deps="audiotoolbox"

  2659. pcm_alaw_at_decoder_deps="audiotoolbox"

  2660. pcm_mulaw_at_decoder_deps="audiotoolbox"

  2661. qdmc_at_decoder_deps="audiotoolbox"

  2662. qdm2_at_decoder_deps="audiotoolbox"

  2663. aac_at_encoder_deps="audiotoolbox"

  2664. aac_at_encoder_select="audio_frame_queue"

  2665. alac_at_encoder_deps="audiotoolbox"

  2666. alac_at_encoder_select="audio_frame_queue"

  2667. ilbc_at_encoder_deps="audiotoolbox"

  2668. ilbc_at_encoder_select="audio_frame_queue"

  2669. pcm_alaw_at_encoder_deps="audiotoolbox"

  2670. pcm_alaw_at_encoder_select="audio_frame_queue"

  2671. pcm_mulaw_at_encoder_deps="audiotoolbox"

  2672. pcm_mulaw_at_encoder_select="audio_frame_queue"

  2673. chromaprint_muxer_deps="chromaprint"

  2674. h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"

  2675. libcelt_decoder_deps="libcelt"

  2676. libfaac_encoder_deps="libfaac"

  2677. libfaac_encoder_select="audio_frame_queue"

  2678. libfdk_aac_decoder_deps="libfdk_aac"

  2679. libfdk_aac_encoder_deps="libfdk_aac"

  2680. libfdk_aac_encoder_select="audio_frame_queue"

  2681. libgme_demuxer_deps="libgme"

  2682. libgsm_decoder_deps="libgsm"

  2683. libgsm_encoder_deps="libgsm"

  2684. libgsm_ms_decoder_deps="libgsm"

  2685. libgsm_ms_encoder_deps="libgsm"

  2686. libilbc_decoder_deps="libilbc"

  2687. libilbc_encoder_deps="libilbc"

  2688. libkvazaar_encoder_deps="libkvazaar"

  2689. libmodplug_demuxer_deps="libmodplug"

  2690. libmp3lame_encoder_deps="libmp3lame"

  2691. libmp3lame_encoder_select="audio_frame_queue"

  2692. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2693. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2694. libopencore_amrnb_encoder_select="audio_frame_queue"

  2695. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2696. libopenh264_encoder_deps="libopenh264"

  2697. libopenjpeg_decoder_deps="libopenjpeg"

  2698. libopenjpeg_encoder_deps="libopenjpeg"

  2699. libopus_decoder_deps="libopus"

  2700. libopus_encoder_deps="libopus"

  2701. libopus_encoder_select="audio_frame_queue"

  2702. libschroedinger_decoder_deps="libschroedinger"

  2703. libschroedinger_encoder_deps="libschroedinger"

  2704. libshine_encoder_deps="libshine"

  2705. libshine_encoder_select="audio_frame_queue"

  2706. libspeex_decoder_deps="libspeex"

  2707. libspeex_encoder_deps="libspeex"

  2708. libspeex_encoder_select="audio_frame_queue"

  2709. libtheora_encoder_deps="libtheora"

  2710. libtwolame_encoder_deps="libtwolame"

  2711. libutvideo_decoder_deps="libutvideo"

  2712. libutvideo_encoder_deps="libutvideo"

  2713. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2714. libvorbis_decoder_deps="libvorbis"

  2715. libvorbis_encoder_deps="libvorbis"

  2716. libvorbis_encoder_select="audio_frame_queue"

  2717. libvpx_vp8_decoder_deps="libvpx"

  2718. libvpx_vp8_encoder_deps="libvpx"

  2719. libvpx_vp9_decoder_deps="libvpx"

  2720. libvpx_vp9_encoder_deps="libvpx"

  2721. libwavpack_encoder_deps="libwavpack"

  2722. libwebp_encoder_deps="libwebp"

  2723. libwebp_anim_encoder_deps="libwebp"

  2724. libx262_encoder_deps="libx262"

  2725. libx264_encoder_deps="libx264"

  2726. libx264rgb_encoder_deps="libx264"

  2727. libx264rgb_encoder_select="libx264_encoder"

  2728. libx265_encoder_deps="libx265"

  2729. libxavs_encoder_deps="libxavs"

  2730. libxvid_encoder_deps="libxvid"

  2731. libzvbi_teletext_decoder_deps="libzvbi"

  2732. nvenc_encoder_deps="nvenc"

  2733. nvenc_h264_encoder_deps="nvenc"

  2734. nvenc_hevc_encoder_deps="nvenc"

  2735. videotoolbox_deps="VideoToolbox_VideoToolbox_h"

  2736. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"

  2737. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  2738. videotoolbox_encoder_suggest="vda_framework"

  2739. 

  2740. # demuxers / muxers

  2741. ac3_demuxer_select="ac3_parser"

  2742. asf_demuxer_select="riffdec"

  2743. asf_o_demuxer_select="riffdec"

  2744. asf_muxer_select="riffenc"

  2745. asf_stream_muxer_select="asf_muxer"

  2746. avi_demuxer_select="iso_media riffdec exif"

  2747. avi_muxer_select="riffenc"

  2748. avisynth_demuxer_deps="avisynth"

  2749. avisynth_demuxer_select="riffdec"

  2750. caf_demuxer_select="iso_media riffdec"

  2751. dash_muxer_select="mp4_muxer"

  2752. dirac_demuxer_select="dirac_parser"

  2753. dts_demuxer_select="dca_parser"

  2754. dtshd_demuxer_select="dca_parser"

  2755. dv_demuxer_select="dvprofile"

  2756. dv_muxer_select="dvprofile"

  2757. dxa_demuxer_select="riffdec"

  2758. eac3_demuxer_select="ac3_parser"

  2759. f4v_muxer_select="mov_muxer"

  2760. flac_demuxer_select="flac_parser"

  2761. hds_muxer_select="flv_muxer"

  2762. hls_muxer_select="mpegts_muxer"

  2763. image2_alias_pix_demuxer_select="image2_demuxer"

  2764. image2_brender_pix_demuxer_select="image2_demuxer"

  2765. ipod_muxer_select="mov_muxer"

  2766. ismv_muxer_select="mov_muxer"

  2767. libnut_demuxer_deps="libnut"

  2768. libnut_muxer_deps="libnut"

  2769. matroska_audio_muxer_select="matroska_muxer"

  2770. matroska_demuxer_select="iso_media riffdec"

  2771. matroska_demuxer_suggest="bzlib lzo zlib"

  2772. matroska_muxer_select="iso_media riffenc"

  2773. mmf_muxer_select="riffenc"

  2774. mov_demuxer_select="iso_media riffdec"

  2775. mov_demuxer_suggest="zlib"

  2776. mov_muxer_select="iso_media riffenc rtpenc_chain"

  2777. mp3_demuxer_select="mpegaudio_parser"

  2778. mp4_muxer_select="mov_muxer"

  2779. mpegts_demuxer_select="iso_media"

  2780. mpegts_muxer_select="adts_muxer latm_muxer"

  2781. mpegtsraw_demuxer_select="mpegts_demuxer"

  2782. mxf_d10_muxer_select="mxf_muxer"

  2783. mxf_opatom_muxer_select="mxf_muxer"

  2784. nut_muxer_select="riffenc"

  2785. nuv_demuxer_select="riffdec"

  2786. oga_muxer_select="ogg_muxer"

  2787. ogg_demuxer_select="dirac_parse"

  2788. opus_muxer_select="ogg_muxer"

  2789. psp_muxer_select="mov_muxer"

  2790. rtp_demuxer_select="sdp_demuxer"

  2791. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2792. rtsp_demuxer_select="http_protocol rtpdec"

  2793. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2794. sap_demuxer_select="sdp_demuxer"

  2795. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2796. sdp_demuxer_select="rtpdec"

  2797. smoothstreaming_muxer_select="ismv_muxer"

  2798. spdif_muxer_select="aac_parser"

  2799. spx_muxer_select="ogg_muxer"

  2800. swf_demuxer_suggest="zlib"

  2801. tak_demuxer_select="tak_parser"

  2802. tg2_muxer_select="mov_muxer"

  2803. tgp_muxer_select="mov_muxer"

  2804. vobsub_demuxer_select="mpegps_demuxer"

  2805. w64_demuxer_select="wav_demuxer"

  2806. w64_muxer_select="wav_muxer"

  2807. wav_demuxer_select="riffdec"

  2808. wav_muxer_select="riffenc"

  2809. webm_muxer_select="iso_media riffenc"

  2810. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2811. wtv_demuxer_select="mpegts_demuxer riffdec"

  2812. wtv_muxer_select="mpegts_muxer riffenc"

  2813. xmv_demuxer_select="riffdec"

  2814. xwma_demuxer_select="riffdec"

  2815. 

  2816. # indevs / outdevs

  2817. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2818. alsa_outdev_deps="alsa_asoundlib_h"

  2819. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2820. avfoundation_indev_select="avfoundation"

  2821. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2822. caca_outdev_deps="libcaca"

  2823. decklink_indev_deps="decklink pthreads"

  2824. decklink_indev_extralibs="-lstdc++"

  2825. decklink_outdev_deps="decklink pthreads"

  2826. decklink_outdev_extralibs="-lstdc++"

  2827. dshow_indev_deps="IBaseFilter"

  2828. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2829. dv1394_indev_deps="dv1394"

  2830. dv1394_indev_select="dv_demuxer"

  2831. fbdev_indev_deps="linux_fb_h"

  2832. fbdev_outdev_deps="linux_fb_h"

  2833. gdigrab_indev_deps="CreateDIBSection"

  2834. gdigrab_indev_extralibs="-lgdi32"

  2835. gdigrab_indev_select="bmp_decoder"

  2836. iec61883_indev_deps="libiec61883"

  2837. jack_indev_deps="jack_jack_h"

  2838. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2839. lavfi_indev_deps="avfilter"

  2840. libcdio_indev_deps="libcdio"

  2841. libdc1394_indev_deps="libdc1394"

  2842. libv4l2_indev_deps="libv4l2"

  2843. openal_indev_deps="openal"

  2844. opengl_outdev_deps="opengl"

  2845. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2846. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2847. pulse_indev_deps="libpulse"

  2848. pulse_outdev_deps="libpulse"

  2849. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2850. qtkit_indev_select="qtkit"

  2851. sdl_outdev_deps="sdl"

  2852. sndio_indev_deps="sndio_h"

  2853. sndio_outdev_deps="sndio_h"

  2854. v4l_indev_deps="linux_videodev_h"

  2855. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2856. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2857. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2858. vfwcap_indev_extralibs="-lavicap32"

  2859. x11grab_indev_deps="x11grab"

  2860. x11grab_xcb_indev_deps="libxcb"

  2861. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2862. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2863. 

  2864. # protocols

  2865. async_protocol_deps="threads"

  2866. bluray_protocol_deps="libbluray"

  2867. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2868. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2869. ffrtmpcrypt_protocol_select="tcp_protocol"

  2870. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2871. ffrtmphttp_protocol_select="http_protocol"

  2872. ftp_protocol_select="tcp_protocol"

  2873. gopher_protocol_select="network"

  2874. http_protocol_select="tcp_protocol"

  2875. httpproxy_protocol_select="tcp_protocol"

  2876. https_protocol_select="tls_protocol"

  2877. icecast_protocol_select="http_protocol"

  2878. librtmp_protocol_deps="librtmp"

  2879. librtmpe_protocol_deps="librtmp"

  2880. librtmps_protocol_deps="librtmp"

  2881. librtmpt_protocol_deps="librtmp"

  2882. librtmpte_protocol_deps="librtmp"

  2883. libsmbclient_protocol_deps="libsmbclient gplv3"

  2884. libssh_protocol_deps="libssh"

  2885. mmsh_protocol_select="http_protocol"

  2886. mmst_protocol_select="network"

  2887. rtmp_protocol_deps="!librtmp_protocol"

  2888. rtmp_protocol_select="tcp_protocol"

  2889. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2890. rtmps_protocol_deps="!librtmp_protocol"

  2891. rtmps_protocol_select="tls_protocol"

  2892. rtmpt_protocol_select="ffrtmphttp_protocol"

  2893. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2894. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2895. rtp_protocol_select="udp_protocol"

  2896. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  2897. sctp_protocol_select="network"

  2898. srtp_protocol_select="rtp_protocol"

  2899. tcp_protocol_select="network"

  2900. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2901. tls_gnutls_protocol_select="tcp_protocol"

  2902. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2903. tls_openssl_protocol_select="tcp_protocol"

  2904. tls_schannel_protocol_deps="schannel"

  2905. tls_schannel_protocol_select="tcp_protocol"

  2906. tls_securetransport_protocol_deps="securetransport"

  2907. tls_securetransport_protocol_select="tcp_protocol"

  2908. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2909. udp_protocol_select="network"

  2910. udplite_protocol_select="network"

  2911. unix_protocol_deps="sys_un_h"

  2912. unix_protocol_select="network"

  2913. 

  2914. # filters

  2915. afftfilt_filter_deps="avcodec"

  2916. afftfilt_filter_select="fft"

  2917. amovie_filter_deps="avcodec avformat"

  2918. aresample_filter_deps="swresample"

  2919. ass_filter_deps="libass"

  2920. asyncts_filter_deps="avresample"

  2921. atempo_filter_deps="avcodec"

  2922. atempo_filter_select="rdft"

  2923. azmq_filter_deps="libzmq"

  2924. blackframe_filter_deps="gpl"

  2925. boxblur_filter_deps="gpl"

  2926. bs2b_filter_deps="libbs2b"

  2927. colormatrix_filter_deps="gpl"

  2928. cover_rect_filter_deps="avcodec avformat gpl"

  2929. cropdetect_filter_deps="gpl"

  2930. delogo_filter_deps="gpl"

  2931. deshake_filter_select="pixelutils"

  2932. drawtext_filter_deps="libfreetype"

  2933. ebur128_filter_deps="gpl"

  2934. eq_filter_deps="gpl"

  2935. fftfilt_filter_deps="avcodec"

  2936. fftfilt_filter_select="rdft"

  2937. find_rect_filter_deps="avcodec avformat gpl"

  2938. firequalizer_filter_deps="avcodec"

  2939. firequalizer_filter_select="rdft"

  2940. flite_filter_deps="libflite"

  2941. frei0r_filter_deps="frei0r dlopen"

  2942. frei0r_src_filter_deps="frei0r dlopen"

  2943. fspp_filter_deps="gpl"

  2944. geq_filter_deps="gpl"

  2945. histeq_filter_deps="gpl"

  2946. hqdn3d_filter_deps="gpl"

  2947. hwupload_cuda_filter_deps="cuda"

  2948. interlace_filter_deps="gpl"

  2949. kerndeint_filter_deps="gpl"

  2950. ladspa_filter_deps="ladspa dlopen"

  2951. mcdeint_filter_deps="avcodec gpl"

  2952. movie_filter_deps="avcodec avformat"

  2953. mpdecimate_filter_deps="gpl"

  2954. mpdecimate_filter_select="pixelutils"

  2955. mptestsrc_filter_deps="gpl"

  2956. negate_filter_deps="lut_filter"

  2957. nnedi_filter_deps="gpl"

  2958. ocr_filter_deps="libtesseract"

  2959. ocv_filter_deps="libopencv"

  2960. owdenoise_filter_deps="gpl"

  2961. pan_filter_deps="swresample"

  2962. perspective_filter_deps="gpl"

  2963. phase_filter_deps="gpl"

  2964. pp7_filter_deps="gpl"

  2965. pp_filter_deps="gpl postproc"

  2966. pullup_filter_deps="gpl"

  2967. removelogo_filter_deps="avcodec avformat swscale"

  2968. repeatfields_filter_deps="gpl"

  2969. resample_filter_deps="avresample"

  2970. rubberband_filter_deps="librubberband"

  2971. sab_filter_deps="gpl swscale"

  2972. scale2ref_filter_deps="swscale"

  2973. scale_filter_deps="swscale"

  2974. select_filter_select="pixelutils"

  2975. showcqt_filter_deps="avcodec avformat swscale"

  2976. showcqt_filter_select="fft"

  2977. showfreqs_filter_deps="avcodec"

  2978. showfreqs_filter_select="fft"

  2979. showspectrum_filter_deps="avcodec"

  2980. showspectrum_filter_select="fft"

  2981. showspectrumpic_filter_deps="avcodec"

  2982. showspectrumpic_filter_select="fft"

  2983. smartblur_filter_deps="gpl swscale"

  2984. sofalizer_filter_deps="netcdf avcodec"

  2985. sofalizer_filter_select="fft"

  2986. spectrumsynth_filter_deps="avcodec"

  2987. spectrumsynth_filter_select="fft"

  2988. spp_filter_deps="gpl avcodec"

  2989. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2990. stereo3d_filter_deps="gpl"

  2991. subtitles_filter_deps="avformat avcodec libass"

  2992. super2xsai_filter_deps="gpl"

  2993. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2994. tinterlace_filter_deps="gpl"

  2995. tinterlace_merge_test_deps="tinterlace_filter"

  2996. tinterlace_pad_test_deps="tinterlace_filter"

  2997. uspp_filter_deps="gpl avcodec"

  2998. vidstabdetect_filter_deps="libvidstab"

  2999. vidstabtransform_filter_deps="libvidstab"

  3000. zmq_filter_deps="libzmq"

  3001. zoompan_filter_deps="swscale"

  3002. zscale_filter_deps="libzimg"

  3003. 

  3004. # examples

  3005. avcodec_example_deps="avcodec avutil"

  3006. avio_dir_cmd="avformat avutil"

  3007. avio_reading="avformat avcodec avutil"

  3008. decoding_encoding_example_deps="avcodec avformat avutil"

  3009. demuxing_decoding_example_deps="avcodec avformat avutil"

  3010. extract_mvs_example_deps="avcodec avformat avutil"

  3011. filter_audio_example_deps="avfilter avutil"

  3012. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3013. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3014. metadata_example_deps="avformat avutil"

  3015. muxing_example_deps="avcodec avformat avutil swscale"

  3016. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  3017. remuxing_example_deps="avcodec avformat avutil"

  3018. resampling_audio_example_deps="avutil swresample"

  3019. scaling_video_example_deps="avutil swscale"

  3020. transcode_aac_example_deps="avcodec avformat swresample"

  3021. transcoding_example_deps="avfilter avcodec avformat avutil"

  3022. 

  3023. # libraries, in linking order

  3024. avcodec_deps="avutil"

  3025. avdevice_deps="avformat avcodec avutil"

  3026. avfilter_deps="avutil"

  3027. avformat_deps="avcodec avutil"

  3028. avresample_deps="avutil"

  3029. postproc_deps="avutil gpl"

  3030. swresample_deps="avutil"

  3031. swscale_deps="avutil"

  3032. 

  3033. # programs

  3034. ffmpeg_deps="avcodec avfilter avformat swresample"

  3035. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3036.                null_filter

  3037.                setpts_filter trim_filter"

  3038. ffplay_deps="avcodec avformat swscale swresample sdl"

  3039. ffplay_libs='$sdl_libs'

  3040. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3041. ffprobe_deps="avcodec avformat"

  3042. ffserver_deps="avformat fork sarestart"

  3043. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  3044. 

  3045. # documentation

  3046. podpages_deps="perl"

  3047. manpages_deps="perl pod2man"

  3048. htmlpages_deps="perl"

  3049. htmlpages_deps_any="makeinfo_html texi2html"

  3050. txtpages_deps="perl makeinfo"

  3051. doc_deps_any="manpages htmlpages podpages txtpages"

  3052. 

  3053. # default parameters

  3054. 

  3055. logfile="config.log"

  3056. 

  3057. # installation paths

  3058. prefix_default="/usr/local"

  3059. bindir_default='${prefix}/bin'

  3060. datadir_default='${prefix}/share/ffmpeg'

  3061. docdir_default='${prefix}/share/doc/ffmpeg'

  3062. incdir_default='${prefix}/include'

  3063. libdir_default='${prefix}/lib'

  3064. mandir_default='${prefix}/share/man'

  3065. 

  3066. # toolchain

  3067. ar_default="ar"

  3068. cc_default="gcc"

  3069. cxx_default="g++"

  3070. host_cc_default="gcc"

  3071. cp_f="cp -f"

  3072. doxygen_default="doxygen"

  3073. install="install"

  3074. ln_s="ln -s -f"

  3075. nm_default="nm -g"

  3076. objformat="elf"

  3077. pkg_config_default=pkg-config

  3078. ranlib_default="ranlib"

  3079. strip_default="strip"

  3080. yasmexe_default="yasm"

  3081. windres_default="windres"

  3082. 

  3083. # OS

  3084. target_os_default=$(tolower $(uname -s))

  3085. host_os=$target_os_default

  3086. 

  3087. # machine

  3088. if test "$target_os_default" = aix; then

  3089.     arch_default=$(uname -p)

  3090.     strip_default="strip -X32_64"

  3091. else

  3092.     arch_default=$(uname -m)

  3093. fi

  3094. cpu="generic"

  3095. intrinsics="none"

  3096. 

  3097. # configurable options

  3098. enable $PROGRAM_LIST

  3099. enable $DOCUMENT_LIST

  3100. enable $EXAMPLE_LIST

  3101. enable $(filter_out avresample $LIBRARY_LIST)

  3102. enable stripping

  3103. 

  3104. enable asm

  3105. enable debug

  3106. enable doc

  3107. enable faan faandct faanidct

  3108. enable optimizations

  3109. enable runtime_cpudetect

  3110. enable safe_bitstream_reader

  3111. enable static

  3112. enable swscale_alpha

  3113. enable valgrind_backtrace

  3114. 

  3115. sws_max_filter_size_default=256

  3116. set_default sws_max_filter_size

  3117. 

  3118. # Enable platform codecs by default.

  3119. enable audiotoolbox

  3120. 

  3121. # Enable hwaccels by default.

  3122. enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc

  3123. enable xlib

  3124. 

  3125. enable vda_framework videotoolbox videotoolbox_encoder

  3126. 

  3127. # build settings

  3128. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3129. LIBPREF="lib"

  3130. LIBSUF=".a"

  3131. FULLNAME='$(NAME)$(BUILDSUF)'

  3132. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3133. SLIBPREF="lib"

  3134. SLIBSUF=".so"

  3135. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3136. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3137. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3138. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3139. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3140. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3141. 

  3142. asflags_filter=echo

  3143. cflags_filter=echo

  3144. ldflags_filter=echo

  3145. 

  3146. AS_C='-c'

  3147. AS_O='-o $@'

  3148. CC_C='-c'

  3149. CC_E='-E -o $@'

  3150. CC_O='-o $@'

  3151. CXX_C='-c'

  3152. CXX_O='-o $@'

  3153. OBJCC_C='-c'

  3154. OBJCC_E='-E -o $@'

  3155. OBJCC_O='-o $@'

  3156. LD_O='-o $@'

  3157. LD_LIB='-l%'

  3158. LD_PATH='-L'

  3159. HOSTCC_C='-c'

  3160. HOSTCC_E='-E -o $@'

  3161. HOSTCC_O='-o $@'

  3162. HOSTLD_O='-o $@'

  3163. 

  3164. host_libs='-lm'

  3165. host_cflags_filter=echo

  3166. host_ldflags_filter=echo

  3167. 

  3168. target_path='$(CURDIR)'

  3169. 

  3170. # since the object filename is not given with the -MM flag, the compiler

  3171. # is only able to print the basename, and we must add the path ourselves

  3172. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3173. DEPFLAGS='-MM'

  3174. 

  3175. # find source path

  3176. if test -f configure; then

  3177.     source_path=.

  3178. else

  3179.     source_path=$(cd $(dirname "$0"); pwd)

  3180.     case "$source_path" in

  3181.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3182.     esac

  3183.     test -e "$source_path/config.h" &&

  3184.         die "Out of tree builds are impossible with config.h in source dir."

  3185. fi

  3186. 

  3187. for v in "$@"; do

  3188.     r=${v#*=}

  3189.     l=${v%"$r"}

  3190.     r=$(sh_quote "$r")

  3191.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3192. done

  3193. 

  3194. find_things(){

  3195.     thing=$1

  3196.     pattern=$2

  3197.     file=$source_path/$3

  3198.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3199. }

  3200. 

  3201. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3202. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3203. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3204. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3205. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3206. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3207. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3208. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3209. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3210. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3211. 

  3212. find_things_extern(){

  3213.     thing=$1

  3214.     pattern=$2

  3215.     file=$source_path/$3

  3216.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3217. }

  3218. 

  3219. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3220. 

  3221. ALL_COMPONENTS="

  3222.     $BSF_LIST

  3223.     $DECODER_LIST

  3224.     $DEMUXER_LIST

  3225.     $ENCODER_LIST

  3226.     $FILTER_LIST

  3227.     $HWACCEL_LIST

  3228.     $INDEV_LIST

  3229.     $MUXER_LIST

  3230.     $OUTDEV_LIST

  3231.     $PARSER_LIST

  3232.     $PROTOCOL_LIST

  3233. "

  3234. 

  3235. for n in $COMPONENT_LIST; do

  3236.     v=$(toupper ${n%s})_LIST

  3237.     eval enable \$$v

  3238.     eval ${n}_if_any="\$$v"

  3239. done

  3240. 

  3241. enable $ARCH_EXT_LIST

  3242. 

  3243. die_unknown(){

  3244.     echo "Unknown option \"$1\"."

  3245.     echo "See $0 --help for available options."

  3246.     exit 1

  3247. }

  3248. 

  3249. print_in_columns() {

  3250.     cols=$(expr $ncols / 24)

  3251.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3252. }

  3253. 

  3254. show_list() {

  3255.     suffix=_$1

  3256.     shift

  3257.     echo $* | sed s/$suffix//g | print_in_columns

  3258.     exit 0

  3259. }

  3260. 

  3261. rand_list(){

  3262.     IFS=', '

  3263.     set -- $*

  3264.     unset IFS

  3265.     for thing; do

  3266.         comp=${thing%:*}

  3267.         prob=${thing#$comp}

  3268.         prob=${prob#:}

  3269.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3270.         echo "prob ${prob:-0.5}"

  3271.         printf '%s\n' $comp

  3272.     done

  3273. }

  3274. 

  3275. do_random(){

  3276.     action=$1

  3277.     shift

  3278.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3279.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3280. }

  3281. 

  3282. for opt do

  3283.     optval="${opt#*=}"

  3284.     case "$opt" in

  3285.         --extra-ldflags=*)

  3286.             add_ldflags $optval

  3287.         ;;

  3288.         --extra-ldexeflags=*)

  3289.             add_ldexeflags $optval

  3290.         ;;

  3291.         --extra-ldlibflags=*)

  3292.             add_ldlibflags $optval

  3293.         ;;

  3294.         --extra-libs=*)

  3295.             add_extralibs $optval

  3296.         ;;

  3297.         --disable-devices)

  3298.             disable $INDEV_LIST $OUTDEV_LIST

  3299.         ;;

  3300.         --enable-debug=*)

  3301.             debuglevel="$optval"

  3302.         ;;

  3303.         --disable-programs)

  3304.             disable $PROGRAM_LIST

  3305.         ;;

  3306.         --disable-everything)

  3307.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3308.         ;;

  3309.         --disable-all)

  3310.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3311.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3312.             enable avutil

  3313.         ;;

  3314.         --enable-random|--disable-random)

  3315.             action=${opt%%-random}

  3316.             do_random ${action#--} $COMPONENT_LIST

  3317.         ;;

  3318.         --enable-random=*|--disable-random=*)

  3319.             action=${opt%%-random=*}

  3320.             do_random ${action#--} $optval

  3321.         ;;

  3322.         --enable-*=*|--disable-*=*)

  3323.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3324.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3325.             eval list=\$$(toupper $thing)_LIST

  3326.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3327.             list=$(filter "$name" $list)

  3328.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3329.             $action $list

  3330.         ;;

  3331.         --enable-?*|--disable-?*)

  3332.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3333.             if is_in $option $COMPONENT_LIST; then

  3334.                 test $action = disable && action=unset

  3335.                 eval $action \$$(toupper ${option%s})_LIST

  3336.             elif is_in $option $CMDLINE_SELECT; then

  3337.                 $action $option

  3338.             else

  3339.                 die_unknown $opt

  3340.             fi

  3341.         ;;

  3342.         --list-*)

  3343.             NAME="${opt#--list-}"

  3344.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3345.             NAME=${NAME%s}

  3346.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3347.         ;;

  3348.         --help|-h) show_help

  3349.         ;;

  3350.         --fatal-warnings) enable fatal_warnings

  3351.         ;;

  3352.         *)

  3353.             optname="${opt%%=*}"

  3354.             optname="${optname#--}"

  3355.             optname=$(echo "$optname" | sed 's/-/_/g')

  3356.             if is_in $optname $CMDLINE_SET; then

  3357.                 eval $optname='$optval'

  3358.             elif is_in $optname $CMDLINE_APPEND; then

  3359.                 append $optname "$optval"

  3360.             else

  3361.                 die_unknown $opt

  3362.             fi

  3363.         ;;

  3364.     esac

  3365. done

  3366. 

  3367. for e in $env; do

  3368.     eval "export $e"

  3369. done

  3370. 

  3371. disabled logging && logfile=/dev/null

  3372. 

  3373. # Disable all the library-specific components if the library itself

  3374. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3375. 

  3376. disable_components(){

  3377.     disabled ${1} && disable $(

  3378.         eval components="\$$(toupper ${1})_COMPONENTS"

  3379.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3380.     )

  3381. }

  3382. 

  3383. map 'disable_components $v' $LIBRARY_LIST

  3384. 

  3385. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3386. set >> $logfile

  3387. 

  3388. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3389. 

  3390. case "$toolchain" in

  3391.     *-asan)

  3392.         cc_default="${toolchain%-asan}"

  3393.         add_cflags  -fsanitize=address

  3394.         add_ldflags -fsanitize=address

  3395.     ;;

  3396.     *-tsan)

  3397.         cc_default="${toolchain%-tsan}"

  3398.         add_cflags  -fsanitize=thread -pie

  3399.         add_ldflags -fsanitize=thread -pie

  3400.         case "$toolchain" in

  3401.             gcc-tsan)

  3402.                 add_cflags  -fPIC

  3403.                 add_ldflags -fPIC

  3404.                 ;;

  3405.         esac

  3406.     ;;

  3407.     *-usan)

  3408.         cc_default="${toolchain%-usan}"

  3409.         add_cflags  -fsanitize=undefined

  3410.         add_ldflags -fsanitize=undefined

  3411.     ;;

  3412.     valgrind-*)

  3413.         target_exec_default="valgrind"

  3414.         case "$toolchain" in

  3415.             valgrind-massif)

  3416.                 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"

  3417.                 ;;

  3418.             valgrind-memcheck)

  3419.                 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"

  3420.                 ;;

  3421.         esac

  3422.     ;;

  3423.     msvc)

  3424.         # Check whether the current MSVC version needs the C99 converter.

  3425.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3426.         # support enough of C99 to build ffmpeg. Default to the new

  3427.         # behaviour if the regexp was unable to match anything, since this

  3428.         # successfully parses the version number of existing supported

  3429.         # versions that require the converter (MSVC 2010 and 2012).

  3430.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3431.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3432.             cc_default="cl"

  3433.         else

  3434.             cc_default="c99wrap cl"

  3435.         fi

  3436.         ld_default="$source_path/compat/windows/mslink"

  3437.         nm_default="dumpbin -symbols"

  3438.         ar_default="lib"

  3439.         case "$arch" in

  3440.         arm*)

  3441.             as_default="armasm"

  3442.             ;;

  3443.         esac

  3444.         target_os_default="win32"

  3445.         # Use a relative path for TMPDIR. This makes sure all the

  3446.         # ffconf temp files are written with a relative path, avoiding

  3447.         # issues with msys/win32 path conversion for MSVC parameters

  3448.         # such as -Fo<file> or -out:<file>.

  3449.         TMPDIR=.

  3450.     ;;

  3451.     icl)

  3452.         cc_default="icl"

  3453.         ld_default="xilink"

  3454.         nm_default="dumpbin -symbols"

  3455.         ar_default="xilib"

  3456.         target_os_default="win32"

  3457.         TMPDIR=.

  3458.     ;;

  3459.     gcov)

  3460.         add_cflags  -fprofile-arcs -ftest-coverage

  3461.         add_ldflags -fprofile-arcs -ftest-coverage

  3462.     ;;

  3463.     hardened)

  3464.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3465.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3466.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3467.     ;;

  3468.     ?*)

  3469.         die "Unknown toolchain $toolchain"

  3470.     ;;

  3471. esac

  3472. 

  3473. test -n "$cross_prefix" && enable cross_compile

  3474. 

  3475. if enabled cross_compile; then

  3476.     test -n "$arch" && test -n "$target_os" ||

  3477.         die "Must specify target arch and OS when cross-compiling"

  3478. fi

  3479. 

  3480. ar_default="${cross_prefix}${ar_default}"

  3481. cc_default="${cross_prefix}${cc_default}"

  3482. cxx_default="${cross_prefix}${cxx_default}"

  3483. nm_default="${cross_prefix}${nm_default}"

  3484. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3485. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3486.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3487. else

  3488.     ranlib_default="${cross_prefix}${ranlib_default}"

  3489. fi

  3490. strip_default="${cross_prefix}${strip_default}"

  3491. windres_default="${cross_prefix}${windres_default}"

  3492. 

  3493. sysinclude_default="${sysroot}/usr/include"

  3494. 

  3495. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3496.     target_exec target_os yasmexe

  3497. enabled cross_compile || host_cc_default=$cc

  3498. set_default host_cc

  3499. 

  3500. pkg_config_fail_message=""

  3501. if ! $pkg_config --version >/dev/null 2>&1; then

  3502.     warn "$pkg_config not found, library detection may fail."

  3503.     pkg_config=false

  3504. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3505.     pkg_config_fail_message="

  3506. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3507. fi

  3508. 

  3509. if test $doxygen != $doxygen_default && \

  3510.   ! $doxygen --version >/dev/null 2>&1; then

  3511.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3512. fi

  3513. 

  3514. exesuf() {

  3515.     case $1 in

  3516.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3517.     esac

  3518. }

  3519. 

  3520. EXESUF=$(exesuf $target_os)

  3521. HOSTEXESUF=$(exesuf $host_os)

  3522. 

  3523. # set temporary file name

  3524. : ${TMPDIR:=$TEMPDIR}

  3525. : ${TMPDIR:=$TMP}

  3526. : ${TMPDIR:=/tmp}

  3527. 

  3528. if [ -n "$tempprefix" ] ; then

  3529.     mktemp(){

  3530.         echo $tempprefix.${HOSTNAME}.${UID}

  3531.     }

  3532. elif ! check_cmd mktemp -u XXXXXX; then

  3533.     # simple replacement for missing mktemp

  3534.     # NOT SAFE FOR GENERAL USE

  3535.     mktemp(){

  3536.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3537.     }

  3538. fi

  3539. 

  3540. tmpfile(){

  3541.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3542.         (set -C; exec > $tmp) 2>/dev/null ||

  3543.         die "Unable to create temporary file in $TMPDIR."

  3544.     append TMPFILES $tmp

  3545.     eval $1=$tmp

  3546. }

  3547. 

  3548. trap 'rm -f -- $TMPFILES' EXIT

  3549. 

  3550. tmpfile TMPASM .asm

  3551. tmpfile TMPC   .c

  3552. tmpfile TMPCPP .cpp

  3553. tmpfile TMPE   $EXESUF

  3554. tmpfile TMPH   .h

  3555. tmpfile TMPM   .m

  3556. tmpfile TMPO   .o

  3557. tmpfile TMPS   .S

  3558. tmpfile TMPSH  .sh

  3559. tmpfile TMPV   .ver

  3560. 

  3561. unset -f mktemp

  3562. 

  3563. chmod +x $TMPE

  3564. 

  3565. # make sure we can execute files in $TMPDIR

  3566. cat > $TMPSH 2>> $logfile <<EOF

  3567. #! /bin/sh

  3568. EOF

  3569. chmod +x $TMPSH >> $logfile 2>&1

  3570. if ! $TMPSH >> $logfile 2>&1; then

  3571.     cat <<EOF

  3572. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3573. variable to another directory and make sure that it is not mounted noexec.

  3574. EOF

  3575.     die "Sanity test failed."

  3576. fi

  3577. 

  3578. armasm_flags(){

  3579.     for flag; do

  3580.         case $flag in

  3581.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3582.             # be passed to gas-preprocessor

  3583.             -M[TD]*)                                            ;;

  3584.             *)                  echo $flag                      ;;

  3585.         esac

  3586.    done

  3587. }

  3588. 

  3589. ccc_flags(){

  3590.     for flag; do

  3591.         case $flag in

  3592.             -std=c99)           echo -c99                       ;;

  3593.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3594.             -mieee)             echo -ieee                      ;;

  3595.             -O*|-fast)          echo $flag                      ;;

  3596.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3597.             -g)                 echo -g3                        ;;

  3598.             -Wall)              echo -msg_enable level2         ;;

  3599.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3600.             -Wl,*)              echo $flag                      ;;

  3601.             -f*|-W*)                                            ;;

  3602.             *)                  echo $flag                      ;;

  3603.         esac

  3604.    done

  3605. }

  3606. 

  3607. cparser_flags(){

  3608.     for flag; do

  3609.         case $flag in

  3610.             -Wno-switch)             echo -Wno-switch-enum ;;

  3611.             -Wno-format-zero-length) ;;

  3612.             -Wdisabled-optimization) ;;

  3613.             -Wno-pointer-sign)       echo -Wno-other ;;

  3614.             *)                       echo $flag ;;

  3615.         esac

  3616.     done

  3617. }

  3618. 

  3619. msvc_common_flags(){

  3620.     for flag; do

  3621.         case $flag in

  3622.             # In addition to specifying certain flags under the compiler

  3623.             # specific filters, they must be specified here as well or else the

  3624.             # generic catch all at the bottom will print the original flag.

  3625.             -Wall)                ;;

  3626.             -std=c99)             ;;

  3627.             # Common flags

  3628.             -fomit-frame-pointer) ;;

  3629.             -g)                   echo -Z7 ;;

  3630.             -fno-math-errno)      ;;

  3631.             -fno-common)          ;;

  3632.             -fno-signed-zeros)    ;;

  3633.             -fPIC)                ;;

  3634.             -mthumb)              ;;

  3635.             -march=*)             ;;

  3636.             -lz)                  echo zlib.lib ;;

  3637.             -lavifil32)           echo vfw32.lib ;;

  3638.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3639.             -lx264)               echo libx264.lib ;;

  3640.             -l*)                  echo ${flag#-l}.lib ;;

  3641.             -LARGEADDRESSAWARE)   echo $flag ;;

  3642.             -L*)                  echo -libpath:${flag#-L} ;;

  3643.             *)                    echo $flag ;;

  3644.         esac

  3645.     done

  3646. }

  3647. 

  3648. msvc_flags(){

  3649.     msvc_common_flags "$@"

  3650.     for flag; do

  3651.         case $flag in

  3652.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3653.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3654.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3655.                                        -wd4307 \

  3656.                                        -wd4273 -wd4554 -wd4701 ;;

  3657.         esac

  3658.     done

  3659. }

  3660. 

  3661. icl_flags(){

  3662.     msvc_common_flags "$@"

  3663.     for flag; do

  3664.         case $flag in

  3665.             # Despite what Intel's documentation says -Wall, which is supported

  3666.             # on Windows, does enable remarks so disable them here.

  3667.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3668.             -std=c99)             echo -Qstd=c99 ;;

  3669.             -flto)                echo -ipo ;;

  3670.         esac

  3671.     done

  3672. }

  3673. 

  3674. icc_flags(){

  3675.     for flag; do

  3676.         case $flag in

  3677.             -flto)                echo -ipo ;;

  3678.             *)                    echo $flag ;;

  3679.         esac

  3680.     done

  3681. }

  3682. 

  3683. pgi_flags(){

  3684.     for flag; do

  3685.         case $flag in

  3686.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3687.             -fomit-frame-pointer) echo -Mnoframe ;;

  3688.             -g)                   echo -gopt ;;

  3689.             *)                    echo $flag ;;

  3690.         esac

  3691.     done

  3692. }

  3693. 

  3694. suncc_flags(){

  3695.     for flag; do

  3696.         case $flag in

  3697.             -march=*|-mcpu=*)

  3698.                 case "${flag#*=}" in

  3699.                     native)                   echo -xtarget=native       ;;

  3700.                     v9|niagara)               echo -xarch=sparc          ;;

  3701.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3702.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3703.                     i586|pentium)             echo -xchip=pentium        ;;

  3704.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3705.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3706.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3707.                     pentium4*)          echo -xtarget=pentium4           ;;

  3708.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3709.                     *-sse3)             echo -xarch=sse3                 ;;

  3710.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3711.                     bonnell)                   echo -xarch=ssse3         ;;

  3712.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3713.                     westmere)                  echo -xtarget=westmere    ;;

  3714.                     silvermont)                echo -xarch=sse4_2        ;;

  3715.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3716.                     core-avx*|ivybridge|haswell|broadwell)

  3717.                                                echo -xarch=avx           ;;

  3718.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3719.                     btver1)                    echo -xarch=amdsse4a      ;;

  3720.                     btver2|bdver*)             echo -xarch=avx           ;;

  3721.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3722.                     k8|opteron|athlon64|athlon-fx)

  3723.                                                echo -xarch=sse2a         ;;

  3724.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3725.                 esac

  3726.                 ;;

  3727.             -std=c99)             echo -xc99              ;;

  3728.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3729.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3730.             -W*,*)                echo $flag              ;;

  3731.             -f*-*|-W*|-mimpure-text)                      ;;

  3732.             -shared)              echo -G                 ;;

  3733.             *)                    echo $flag              ;;

  3734.         esac

  3735.     done

  3736. }

  3737. 

  3738. tms470_flags(){

  3739.     for flag; do

  3740.         case $flag in

  3741.             -march=*|-mcpu=*)

  3742.                 case "${flag#*=}" in

  3743.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3744.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3745.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3746.                     armv6*|arm11*)          echo -mv=6   ;;

  3747.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3748.                                             echo -mv=5e  ;;

  3749.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3750.                 esac

  3751.                 ;;

  3752.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3753.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3754.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3755.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3756.             -msoft-float)   echo --float_support=vfplib       ;;

  3757.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3758.             -g)             echo -g -mn                       ;;

  3759.             -pds=*)         echo $flag                        ;;

  3760.             -D*|-I*)        echo $flag                        ;;

  3761.             --gcc|--abi=*)  echo $flag                        ;;

  3762.             -me)            echo $flag                        ;;

  3763.         esac

  3764.     done

  3765. }

  3766. 

  3767. probe_cc(){

  3768.     pfx=$1

  3769.     _cc=$2

  3770.     first=$3

  3771. 

  3772.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3773.     unset _ld_o _ldflags _ld_lib _ld_path

  3774.     unset _depflags _DEPCMD _DEPFLAGS

  3775.     _flags_filter=echo

  3776. 

  3777.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3778.         true # no-op to avoid reading stdin in following checks

  3779.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3780.         _type=llvm_gcc

  3781.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3782.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3783.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3784.         _cflags_speed='-O3'

  3785.         _cflags_size='-Os'

  3786.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3787.         _type=gcc

  3788.         gcc_version=$($_cc --version | head -n1)

  3789.         gcc_basever=$($_cc -dumpversion)

  3790.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3791.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3792.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3793.         case $gcc_basever in

  3794.             2) ;;

  3795.             2.*) ;;

  3796.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3797.         esac

  3798.         if [ "$first" = true ]; then

  3799.             case $gcc_basever in

  3800.                 4.2*)

  3801.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3802.             esac

  3803.         fi

  3804.         _cflags_speed='-O3'

  3805.         _cflags_size='-Os'

  3806.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3807.         _type=icc

  3808.         _ident=$($_cc --version | head -n1)

  3809.         _depflags='-MMD'

  3810.         _cflags_speed='-O3'

  3811.         _cflags_size='-Os'

  3812.         _cflags_noopt='-O1'

  3813.         _flags_filter=icc_flags

  3814.     elif $_cc -v 2>&1 | grep -q xlc; then

  3815.         _type=xlc

  3816.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3817.         _cflags_speed='-O5'

  3818.         _cflags_size='-O5 -qcompact'

  3819.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3820.         _type=ccc

  3821.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3822.         _DEPFLAGS='-M'

  3823.         _cflags_speed='-fast'

  3824.         _cflags_size='-O1'

  3825.         _flags_filter=ccc_flags

  3826.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3827.         test -d "$sysroot" || die "No valid sysroot specified."

  3828.         _type=armcc

  3829.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3830.         armcc_conf="$PWD/armcc.conf"

  3831.         $_cc --arm_linux_configure                 \

  3832.              --arm_linux_config_file="$armcc_conf" \

  3833.              --configure_sysroot="$sysroot"        \

  3834.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3835.              die "Error creating armcc configuration file."

  3836.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3837.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3838.         as_default="${cross_prefix}gcc"

  3839.         _depflags='-MMD'

  3840.         _cflags_speed='-O3'

  3841.         _cflags_size='-Os'

  3842.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3843.         _type=tms470

  3844.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3845.         _flags='--gcc --abi=eabi -me'

  3846.         _cc_e='-ppl -fe=$@'

  3847.         _cc_o='-fe=$@'

  3848.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3849.         _cflags_speed='-O3 -mf=5'

  3850.         _cflags_size='-O3 -mf=2'

  3851.         _flags_filter=tms470_flags

  3852.     elif $_cc -v 2>&1 | grep -q clang; then

  3853.         _type=clang

  3854.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3855.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3856.         _cflags_speed='-O3'

  3857.         _cflags_size='-Os'

  3858.     elif $_cc -V 2>&1 | grep -q Sun; then

  3859.         _type=suncc

  3860.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3861.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3862.         _DEPFLAGS='-xM1 -xc99'

  3863.         _ldflags='-std=c99'

  3864.         _cflags_speed='-O5'

  3865.         _cflags_size='-O5 -xspace'

  3866.         _flags_filter=suncc_flags

  3867.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3868.         _type=pathscale

  3869.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3870.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3871.         _cflags_speed='-O2'

  3872.         _cflags_size='-Os'

  3873.         _flags_filter='filter_out -Wdisabled-optimization'

  3874.     elif $_cc -v 2>&1 | grep -q Open64; then

  3875.         _type=open64

  3876.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3877.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3878.         _cflags_speed='-O2'

  3879.         _cflags_size='-Os'

  3880.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3881.     elif $_cc -V 2>&1 | grep -q Portland; then

  3882.         _type=pgi

  3883.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3884.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3885.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3886.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3887.         _cflags_noopt="-O"

  3888.         _flags_filter=pgi_flags

  3889.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3890.         _type=armasm

  3891.         _ident=$($_cc | head -n1)

  3892.         # 4509: "This form of conditional instruction is deprecated"

  3893.         _flags="-nologo -ignore 4509"

  3894.         _flags_filter=armasm_flags

  3895.     elif $_cc 2>&1 | grep -q Intel; then

  3896.         _type=icl

  3897.         _ident=$($_cc 2>&1 | head -n1)

  3898.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3899.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3900.         # versions (tested) as well.

  3901.         _cflags_speed="-O2"

  3902.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3903.         if $_cc 2>&1 | grep -q Linker; then

  3904.             _ld_o='-out:$@'

  3905.         else

  3906.             _ld_o='-Fe$@'

  3907.         fi

  3908.         _cc_o='-Fo$@'

  3909.         _cc_e='-P'

  3910.         _flags_filter=icl_flags

  3911.         _ld_lib='lib%.a'

  3912.         _ld_path='-libpath:'

  3913.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3914.         _flags='-nologo -Qdiag-error:4044,10157'

  3915.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3916.         # with MSVC which enables it by default.

  3917.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3918.         disable stripping

  3919.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3920.         _type=msvc

  3921.         _ident=$($_cc 2>&1 | head -n1)

  3922.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3923.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3924.         _cflags_speed="-O2"

  3925.         _cflags_size="-O1"

  3926.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3927.             _ld_o='-out:$@'

  3928.         else

  3929.             _ld_o='-Fe$@'

  3930.         fi

  3931.         _cc_o='-Fo$@'

  3932.         _cc_e='-P -Fi$@'

  3933.         _flags_filter=msvc_flags

  3934.         _ld_lib='lib%.a'

  3935.         _ld_path='-libpath:'

  3936.         _flags='-nologo'

  3937.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3938.         disable stripping

  3939.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3940.         _type=cparser

  3941.         _ident=$($_cc --version | head -n1)

  3942.         _depflags='-MMD'

  3943.         _cflags_speed='-O4'

  3944.         _cflags_size='-O2'

  3945.         _flags_filter=cparser_flags

  3946.     fi

  3947. 

  3948.     eval ${pfx}_type=\$_type

  3949.     eval ${pfx}_ident=\$_ident

  3950. }

  3951. 

  3952. set_ccvars(){

  3953.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3954.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3955.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3956. 

  3957.     if [ -n "$_depflags" ]; then

  3958.         eval ${1}_DEPFLAGS=\$_depflags

  3959.     else

  3960.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3961.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3962.         eval DEP${1}FLAGS=\$_flags

  3963.     fi

  3964. }

  3965. 

  3966. probe_cc cc "$cc" "true"

  3967. cflags_filter=$_flags_filter

  3968. cflags_speed=$_cflags_speed

  3969. cflags_size=$_cflags_size

  3970. cflags_noopt=$_cflags_noopt

  3971. add_cflags $_flags $_cflags

  3972. cc_ldflags=$_ldflags

  3973. set_ccvars CC

  3974. 

  3975. probe_cc hostcc "$host_cc"

  3976. host_cflags_filter=$_flags_filter

  3977. add_host_cflags  $_flags $_cflags

  3978. set_ccvars HOSTCC

  3979. 

  3980. test -n "$cc_type" && enable $cc_type ||

  3981.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3982. 

  3983. : ${as_default:=$cc}

  3984. : ${objcc_default:=$cc}

  3985. : ${dep_cc_default:=$cc}

  3986. : ${ld_default:=$cc}

  3987. : ${host_ld_default:=$host_cc}

  3988. set_default ar as objcc dep_cc ld host_ld windres

  3989. 

  3990. probe_cc as "$as"

  3991. asflags_filter=$_flags_filter

  3992. add_asflags $_flags $_cflags

  3993. set_ccvars AS

  3994. 

  3995. probe_cc objcc "$objcc"

  3996. objcflags_filter=$_flags_filter

  3997. add_objcflags $_flags $_cflags

  3998. set_ccvars OBJC

  3999. 

  4000. probe_cc ld "$ld"

  4001. ldflags_filter=$_flags_filter

  4002. add_ldflags $_flags $_ldflags

  4003. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4004. LD_O=${_ld_o-$LD_O}

  4005. LD_LIB=${_ld_lib-$LD_LIB}

  4006. LD_PATH=${_ld_path-$LD_PATH}

  4007. 

  4008. probe_cc hostld "$host_ld"

  4009. host_ldflags_filter=$_flags_filter

  4010. add_host_ldflags $_flags $_ldflags

  4011. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4012. 

  4013. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4014.     probe_cc depcc "$dep_cc"

  4015.     CCDEP=${_DEPCMD:-$DEPCMD}

  4016.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4017.     DEPCCFLAGS=$_flags

  4018. fi

  4019. 

  4020. if $ar 2>&1 | grep -q Microsoft; then

  4021.     arflags="-nologo"

  4022.     ar_o='-out:$@'

  4023. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  4024.     arflags="rq"

  4025.     ar_o='$@'

  4026. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  4027.     arflags='-Xany -r -c'

  4028.     ar_o='$@'

  4029. elif $ar 2>&1 | grep -q "\[D\] "; then

  4030.     arflags="rcD"

  4031.     ar_o='$@'

  4032. else

  4033.     arflags="rc"

  4034.     ar_o='$@'

  4035. fi

  4036. 

  4037. add_cflags $extra_cflags

  4038. add_cxxflags $extra_cxxflags

  4039. add_objcflags $extra_objcflags

  4040. add_asflags $extra_cflags

  4041. 

  4042. if test -n "$sysroot"; then

  4043.     case "$cc_type" in

  4044.         gcc|llvm_gcc|clang)

  4045.             add_cppflags --sysroot="$sysroot"

  4046.             add_ldflags --sysroot="$sysroot"

  4047. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  4048.             add_cppflags -isysroot "$sysroot"

  4049.             add_ldflags -isysroot "$sysroot"

  4050.         ;;

  4051.         tms470)

  4052.             add_cppflags -I"$sysinclude"

  4053.             add_ldflags  --sysroot="$sysroot"

  4054.         ;;

  4055.     esac

  4056. fi

  4057. 

  4058. if test "$cpu" = host; then

  4059.     enabled cross_compile &&

  4060.         die "--cpu=host makes no sense when cross-compiling."

  4061. 

  4062.     case "$cc_type" in

  4063.         gcc|llvm_gcc)

  4064.             check_native(){

  4065.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4066.                 sed -n "/cc1.*$1=/{

  4067.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4068.                             p

  4069.                             q

  4070.                         }" $TMPE

  4071.             }

  4072.             cpu=$(check_native -march || check_native -mcpu)

  4073.         ;;

  4074.         clang)

  4075.             check_native(){

  4076.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4077.                 sed -n "/cc1.*-target-cpu /{

  4078.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4079.                             p

  4080.                             q

  4081.                         }" $TMPE

  4082.             }

  4083.             cpu=$(check_native -march)

  4084.         ;;

  4085.     esac

  4086. 

  4087.     test "${cpu:-host}" = host &&

  4088.         die "--cpu=host not supported with compiler $cc"

  4089. fi

  4090. 

  4091. # Deal with common $arch aliases

  4092. case "$arch" in

  4093.     aarch64|arm64)

  4094.         arch="aarch64"

  4095.     ;;

  4096.     arm*|iPad*|iPhone*)

  4097.         arch="arm"

  4098.     ;;

  4099.     mips*|IP*)

  4100.         case "$arch" in

  4101.         *el)

  4102.             add_cppflags -EL

  4103.             add_ldflags -EL

  4104.         ;;

  4105.         *eb)

  4106.             add_cppflags -EB

  4107.             add_ldflags -EB

  4108.         ;;

  4109.         esac

  4110.         arch="mips"

  4111.     ;;

  4112.     parisc*|hppa*)

  4113.         arch="parisc"

  4114.     ;;

  4115.     "Power Macintosh"|ppc*|powerpc*)

  4116.         arch="ppc"

  4117.     ;;

  4118.     s390|s390x)

  4119.         arch="s390"

  4120.     ;;

  4121.     sh4|sh)

  4122.         arch="sh4"

  4123.     ;;

  4124.     sun4u|sparc*)

  4125.         arch="sparc"

  4126.     ;;

  4127.     tilegx|tile-gx)

  4128.         arch="tilegx"

  4129.     ;;

  4130.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4131.         arch="x86"

  4132.     ;;

  4133. esac

  4134. 

  4135. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4136. enable $arch

  4137. 

  4138. # Add processor-specific flags

  4139. if enabled aarch64; then

  4140. 

  4141.     case $cpu in

  4142.         armv*)

  4143.             cpuflags="-march=$cpu"

  4144.         ;;

  4145.         *)

  4146.             cpuflags="-mcpu=$cpu"

  4147.         ;;

  4148.     esac

  4149. 

  4150. elif enabled alpha; then

  4151. 

  4152.     cpuflags="-mcpu=$cpu"

  4153. 

  4154. elif enabled arm; then

  4155. 

  4156.     check_arm_arch() {

  4157.         check_cpp_condition stddef.h \

  4158.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4159.             $cpuflags

  4160.     }

  4161. 

  4162.     probe_arm_arch() {

  4163.         if   check_arm_arch 4;        then echo armv4;

  4164.         elif check_arm_arch 4T;       then echo armv4t;

  4165.         elif check_arm_arch 5;        then echo armv5;

  4166.         elif check_arm_arch 5E;       then echo armv5e;

  4167.         elif check_arm_arch 5T;       then echo armv5t;

  4168.         elif check_arm_arch 5TE;      then echo armv5te;

  4169.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4170.         elif check_arm_arch 6;        then echo armv6;

  4171.         elif check_arm_arch 6J;       then echo armv6j;

  4172.         elif check_arm_arch 6K;       then echo armv6k;

  4173.         elif check_arm_arch 6Z;       then echo armv6z;

  4174.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4175.         elif check_arm_arch 6T2;      then echo armv6t2;

  4176.         elif check_arm_arch 7;        then echo armv7;

  4177.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4178.         elif check_arm_arch 7S;       then echo armv7-a;

  4179.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4180.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4181.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4182.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4183.         fi

  4184.     }

  4185. 

  4186.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4187. 

  4188.     case $cpu in

  4189.         armv*)

  4190.             cpuflags="-march=$cpu"

  4191.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4192.         ;;

  4193.         *)

  4194.             cpuflags="-mcpu=$cpu"

  4195.             case $cpu in

  4196.                 cortex-a*)                               subarch=armv7a  ;;

  4197.                 cortex-r*)                               subarch=armv7r  ;;

  4198.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4199.                 arm11*)                                  subarch=armv6   ;;

  4200.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4201.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4202.                 *)                             subarch=$(probe_arm_arch) ;;

  4203.             esac

  4204.         ;;

  4205.     esac

  4206. 

  4207.     case "$subarch" in

  4208.         armv5t*)    enable fast_clz                ;;

  4209.         armv[6-8]*)

  4210.             enable fast_clz

  4211.             disabled fast_unaligned || enable fast_unaligned

  4212.             ;;

  4213.     esac

  4214. 

  4215. elif enabled avr32; then

  4216. 

  4217.     case $cpu in

  4218.         ap7[02]0[0-2])

  4219.             subarch="avr32_ap"

  4220.             cpuflags="-mpart=$cpu"

  4221.         ;;

  4222.         ap)

  4223.             subarch="avr32_ap"

  4224.             cpuflags="-march=$cpu"

  4225.         ;;

  4226.         uc3[ab]*)

  4227.             subarch="avr32_uc"

  4228.             cpuflags="-mcpu=$cpu"

  4229.         ;;

  4230.         uc)

  4231.             subarch="avr32_uc"

  4232.             cpuflags="-march=$cpu"

  4233.         ;;

  4234.     esac

  4235. 

  4236. elif enabled bfin; then

  4237. 

  4238.     cpuflags="-mcpu=$cpu"

  4239. 

  4240. elif enabled mips; then

  4241. 

  4242.     cpuflags="-march=$cpu"

  4243. 

  4244.     if [ "$cpu" != "generic" ]; then

  4245.         disable mips32r2

  4246.         disable mips32r5

  4247.         disable mips64r2

  4248.         disable mips32r6

  4249.         disable mips64r6

  4250.         disable loongson2

  4251.         disable loongson3

  4252. 

  4253.         case $cpu in

  4254.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4255.                 enable mips32r2

  4256.                 disable msa

  4257.             ;;

  4258.             p5600|i6400)

  4259.                 disable mipsdsp

  4260.                 disable mipsdspr2

  4261.             ;;

  4262.             loongson*)

  4263.                 enable loongson2

  4264.                 enable loongson3

  4265.                 enable local_aligned_8 local_aligned_16 local_aligned_32

  4266.                 enable simd_align_16

  4267.                 enable fast_64bit

  4268.                 enable fast_clz

  4269.                 enable fast_cmov

  4270.                 enable fast_unaligned

  4271.                 disable aligned_stack

  4272.                 case $cpu in

  4273.                     loongson3*)

  4274.                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4275.                     ;;

  4276.                     loongson2e)

  4277.                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4278.                     ;;

  4279.                     loongson2f)

  4280.                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4281.                     ;;

  4282.                 esac

  4283.             ;;

  4284.             *)

  4285.                 # Unknown CPU. Disable everything.

  4286.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4287.                 disable mipsfpu

  4288.                 disable mipsdsp

  4289.                 disable mipsdspr2

  4290.                 disable msa

  4291.                 disable mmi

  4292.             ;;

  4293.         esac

  4294. 

  4295.         case $cpu in

  4296.             24kc)

  4297.                 disable mipsfpu

  4298.                 disable mipsdsp

  4299.                 disable mipsdspr2

  4300.             ;;

  4301.             24kf*)

  4302.                 disable mipsdsp

  4303.                 disable mipsdspr2

  4304.             ;;

  4305.             24kec|34kc|1004kc)

  4306.                 disable mipsfpu

  4307.                 disable mipsdspr2

  4308.             ;;

  4309.             24kef*|34kf*|1004kf*)

  4310.                 disable mipsdspr2

  4311.             ;;

  4312.             74kc)

  4313.                 disable mipsfpu

  4314.             ;;

  4315.             p5600)

  4316.                 enable mips32r5

  4317.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4318.             ;;

  4319.             i6400)

  4320.                 enable mips64r6

  4321.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4322.             ;;

  4323.         esac

  4324.     else

  4325.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4326.         warn 'generic cpu selected'

  4327.     fi

  4328. 

  4329. elif enabled ppc; then

  4330. 

  4331.     disable ldbrx

  4332. 

  4333.     case $(tolower $cpu) in

  4334.         601|ppc601|powerpc601)

  4335.             cpuflags="-mcpu=601"

  4336.             disable altivec

  4337.         ;;

  4338.         603*|ppc603*|powerpc603*)

  4339.             cpuflags="-mcpu=603"

  4340.             disable altivec

  4341.         ;;

  4342.         604*|ppc604*|powerpc604*)

  4343.             cpuflags="-mcpu=604"

  4344.             disable altivec

  4345.         ;;

  4346.         g3|75*|ppc75*|powerpc75*)

  4347.             cpuflags="-mcpu=750"

  4348.             disable altivec

  4349.         ;;

  4350.         g4|745*|ppc745*|powerpc745*)

  4351.             cpuflags="-mcpu=7450"

  4352.             disable vsx

  4353.         ;;

  4354.         74*|ppc74*|powerpc74*)

  4355.             cpuflags="-mcpu=7400"

  4356.             disable vsx

  4357.         ;;

  4358.         g5|970|ppc970|powerpc970)

  4359.             cpuflags="-mcpu=970"

  4360.             disable vsx

  4361.         ;;

  4362.         power[3-6]*)

  4363.             cpuflags="-mcpu=$cpu"

  4364.             disable vsx

  4365.         ;;

  4366.         power[7-8]*)

  4367.             cpuflags="-mcpu=$cpu"

  4368.         ;;

  4369.         cell)

  4370.             cpuflags="-mcpu=cell"

  4371.             enable ldbrx

  4372.             disable vsx

  4373.         ;;

  4374.         e500mc)

  4375.             cpuflags="-mcpu=e500mc"

  4376.             disable altivec

  4377.         ;;

  4378.         e500v2)

  4379.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4380.             disable altivec

  4381.             disable dcbzl

  4382.         ;;

  4383.         e500)

  4384.             cpuflags="-mcpu=8540 -mhard-float"

  4385.             disable altivec

  4386.             disable dcbzl

  4387.         ;;

  4388.     esac

  4389. 

  4390. elif enabled sparc; then

  4391. 

  4392.     case $cpu in

  4393.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4394.             cpuflags="-mcpu=$cpu"

  4395.         ;;

  4396.         ultrasparc*|niagara[234])

  4397.             cpuflags="-mcpu=$cpu"

  4398.         ;;

  4399.     esac

  4400. 

  4401. elif enabled x86; then

  4402. 

  4403.     case $cpu in

  4404.         i[345]86|pentium)

  4405.             cpuflags="-march=$cpu"

  4406.             disable i686

  4407.             disable mmx

  4408.         ;;

  4409.         # targets that do NOT support nopl and conditional mov (cmov)

  4410.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4411.             cpuflags="-march=$cpu"

  4412.             disable i686

  4413.         ;;

  4414.         # targets that do support nopl and conditional mov (cmov)

  4415.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4416.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4417.             cpuflags="-march=$cpu"

  4418.             enable i686

  4419.             enable fast_cmov

  4420.         ;;

  4421.         # targets that do support conditional mov but on which it's slow

  4422.         pentium4|pentium4m|prescott|nocona)

  4423.             cpuflags="-march=$cpu"

  4424.             enable i686

  4425.             disable fast_cmov

  4426.         ;;

  4427.     esac

  4428. 

  4429. fi

  4430. 

  4431. if [ "$cpu" != generic ]; then

  4432.     add_cflags  $cpuflags

  4433.     add_asflags $cpuflags

  4434.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4435. fi

  4436. 

  4437. # compiler sanity check

  4438. check_exec <<EOF

  4439. int main(void){ return 0; }

  4440. EOF

  4441. if test "$?" != 0; then

  4442.     echo "$cc is unable to create an executable file."

  4443.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4444.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4445.         echo "Only do this if you know what cross compiling means."

  4446.     fi

  4447.     die "C compiler test failed."

  4448. fi

  4449. 

  4450. add_cppflags -D_ISOC99_SOURCE

  4451. add_cxxflags -D__STDC_CONSTANT_MACROS

  4452. check_cflags -std=c99

  4453. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4454. #include <stdlib.h>

  4455. EOF

  4456. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4457. #include <stdlib.h>

  4458. EOF

  4459. 

  4460. add_host_cppflags -D_ISOC99_SOURCE

  4461. check_host_cflags -std=c99

  4462. check_host_cflags -Wall

  4463. check_host_cflags -O3

  4464. 

  4465. check_64bit(){

  4466.     arch32=$1

  4467.     arch64=$2

  4468.     expr=$3

  4469.     check_code cc "" "int test[2*($expr) - 1]" &&

  4470.         subarch=$arch64 || subarch=$arch32

  4471. }

  4472. 

  4473. case "$arch" in

  4474.     aarch64|alpha|ia64)

  4475.         spic=$shared

  4476.     ;;

  4477.     mips)

  4478.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4479.         spic=$shared

  4480.     ;;

  4481.     parisc)

  4482.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4483.         spic=$shared

  4484.     ;;

  4485.     ppc)

  4486.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4487.         spic=$shared

  4488.     ;;

  4489.     s390)

  4490.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4491.         spic=$shared

  4492.     ;;

  4493.     sparc)

  4494.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4495.         spic=$shared

  4496.     ;;

  4497.     x86)

  4498.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4499.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4500.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4501.             subarch=x86_64

  4502.         if test "$subarch" = "x86_64"; then

  4503.             spic=$shared

  4504.         fi

  4505.     ;;

  4506.     ppc)

  4507.         check_cc <<EOF && subarch="ppc64"

  4508.         int test[(int)sizeof(char*) - 7];

  4509. EOF

  4510.     ;;

  4511. esac

  4512. 

  4513. enable $subarch

  4514. enabled spic && enable_weak pic

  4515. 

  4516. # OS specific

  4517. case $target_os in

  4518.     aix)

  4519.         SHFLAGS=-shared

  4520.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4521.         enabled shared && add_ldflags -Wl,-brtl

  4522.         ;;

  4523.     android)

  4524.         disable symver

  4525.         enable section_data_rel_ro

  4526.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4527.         SLIB_INSTALL_LINKS=

  4528.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4529.         ;;

  4530.     haiku)

  4531.         prefix_default="/boot/common"

  4532.         network_extralibs="-lnetwork"

  4533.         host_libs=

  4534.         ;;

  4535.     sunos)

  4536.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4537.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4538.         network_extralibs="-lsocket -lnsl"

  4539.         add_cppflags -D__EXTENSIONS__

  4540.         # When using suncc to build, the Solaris linker will mark

  4541.         # an executable with each instruction set encountered by

  4542.         # the Solaris assembler.  As our libraries contain their own

  4543.         # guards for processor-specific code, instead suppress

  4544.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4545.         enabled_all suncc x86 &&

  4546.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4547.             add_ldflags -Wl,-M,mapfile

  4548.         nm_default='nm -P -g'

  4549.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4550.         ;;

  4551.     netbsd)

  4552.         disable symver

  4553.         oss_indev_extralibs="-lossaudio"

  4554.         oss_outdev_extralibs="-lossaudio"

  4555.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4556.         ;;

  4557.     openbsd|bitrig)

  4558.         disable symver

  4559.         SHFLAGS='-shared'

  4560.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4561.         SLIB_INSTALL_LINKS=

  4562.         oss_indev_extralibs="-lossaudio"

  4563.         oss_outdev_extralibs="-lossaudio"

  4564.         ;;

  4565.     dragonfly)

  4566.         disable symver

  4567.         ;;

  4568.     freebsd)

  4569.         ;;

  4570.     bsd/os)

  4571.         add_extralibs -lpoll -lgnugetopt

  4572.         strip="strip -d"

  4573.         ;;

  4574.     darwin)

  4575.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4576.         install_name_dir_default='$(SHLIBDIR)'

  4577.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4578.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4579.         strip="${strip} -x"

  4580.         add_ldflags -Wl,-dynamic,-search_paths_first

  4581.         SLIBSUF=".dylib"

  4582.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4583.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4584.         objformat="macho"

  4585.         enabled x86_64 && objformat="macho64"

  4586.         enabled_any pic shared x86_64 ||

  4587.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4588.         check_header dispatch/dispatch.h

  4589.         ;;

  4590.     msys*)

  4591.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4592.         ;;

  4593.     mingw32*|mingw64*)

  4594.         if test $target_os = "mingw32ce"; then

  4595.             disable network

  4596.         else

  4597.             target_os=mingw32

  4598.         fi

  4599.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4600.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4601.         LIBTARGET=i386

  4602.         if enabled x86_64; then

  4603.             LIBTARGET="i386:x86-64"

  4604.         elif enabled arm; then

  4605.             LIBTARGET=arm-wince

  4606.         fi

  4607.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4608.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4609.         shlibdir_default="$bindir_default"

  4610.         SLIBPREF=""

  4611.         SLIBSUF=".dll"

  4612.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4613.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4614.         dlltool="${cross_prefix}dlltool"

  4615.         if check_cmd lib.exe -list; then

  4616.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4617.             if enabled x86_64; then

  4618.                 LIBTARGET=x64

  4619.             fi

  4620.         elif check_cmd $dlltool --version; then

  4621.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  4622.         fi

  4623.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4624.         SLIB_INSTALL_LINKS=

  4625.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4626.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4627.         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'

  4628.         objformat="win32"

  4629.         ranlib=:

  4630.         enable dos_paths

  4631.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4632.         # Lets work around some stupidity in binutils.

  4633.         # ld will strip relocations from executables even though we need them

  4634.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4635.         # however ld then forgets what the entry point should be (oops) so we

  4636.         # have to manually (re)set it.

  4637.         if enabled x86_32; then

  4638.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4639.         elif enabled x86_64; then

  4640.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4641.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4642.             # Set image base >4GB for extra entropy with HEASLR

  4643.             add_ldexeflags -Wl,--image-base,0x140000000

  4644.             append SHFLAGS -Wl,--image-base,0x180000000

  4645.         fi

  4646.         ;;

  4647.     win32|win64)

  4648.         disable symver

  4649.         if enabled shared; then

  4650.             # Link to the import library instead of the normal static library

  4651.             # for shared libs.

  4652.             LD_LIB='%.lib'

  4653.             # Cannot build both shared and static libs with MSVC or icl.

  4654.             disable static

  4655.         fi

  4656.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4657.         shlibdir_default="$bindir_default"

  4658.         SLIBPREF=""

  4659.         SLIBSUF=".dll"

  4660.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4661.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4662.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4663.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4664.         SLIB_INSTALL_LINKS=

  4665.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4666.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4667.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4668.         objformat="win32"

  4669.         ranlib=:

  4670.         enable dos_paths

  4671.         ;;

  4672.     cygwin*)

  4673.         target_os=cygwin

  4674.         shlibdir_default="$bindir_default"

  4675.         SLIBPREF="cyg"

  4676.         SLIBSUF=".dll"

  4677.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4678.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4679.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4680.         SLIB_INSTALL_LINKS=

  4681.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4682.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4683.         objformat="win32"

  4684.         enable dos_paths

  4685.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4686.         ;;

  4687.     *-dos|freedos|opendos)

  4688.         network_extralibs="-lsocket"

  4689.         objformat="coff"

  4690.         enable dos_paths

  4691.         add_cppflags -U__STRICT_ANSI__

  4692.         ;;

  4693.     linux)

  4694.         enable dv1394

  4695.         enable section_data_rel_ro

  4696.         ;;

  4697.     irix*)

  4698.         target_os=irix

  4699.         ranlib="echo ignoring ranlib"

  4700.         ;;

  4701.     os/2*)

  4702.         strip="lxlite -CS"

  4703.         ln_s="cp -f"

  4704.         objformat="aout"

  4705.         add_cppflags -D_GNU_SOURCE

  4706.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4707.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4708.         LIBSUF="_s.a"

  4709.         SLIBPREF=""

  4710.         SLIBSUF=".dll"

  4711.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4712.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4713.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4714.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4715.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4716.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4717.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4718.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4719.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4720.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4721.         enable dos_paths

  4722.         enable_weak os2threads

  4723.         ;;

  4724.     gnu/kfreebsd)

  4725.         add_cppflags -D_BSD_SOURCE

  4726.         ;;

  4727.     gnu)

  4728.         ;;

  4729.     qnx)

  4730.         add_cppflags -D_QNX_SOURCE

  4731.         network_extralibs="-lsocket"

  4732.         ;;

  4733.     symbian)

  4734.         SLIBSUF=".dll"

  4735.         enable dos_paths

  4736.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4737.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4738.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4739.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4740.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4741.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4742.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4743.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4744.         ;;

  4745.     osf1)

  4746.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4747.         ;;

  4748.     minix)

  4749.         ;;

  4750.     plan9)

  4751.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4752.                      -D_REENTRANT_SOURCE        \

  4753.                      -D_RESEARCH_SOURCE         \

  4754.                      -DFD_SETSIZE=96            \

  4755.                      -DHAVE_SOCK_OPTS

  4756.         add_compat strtod.o strtod=avpriv_strtod

  4757.         network_extralibs='-lbsd'

  4758.         exeobjs=compat/plan9/main.o

  4759.         disable ffserver

  4760.         cp_f='cp'

  4761.         ;;

  4762.     none)

  4763.         ;;

  4764.     *)

  4765.         die "Unknown OS '$target_os'."

  4766.         ;;

  4767. esac

  4768. 

  4769. # test if creating links works

  4770. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4771. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4772. mkdir "$link_dest"

  4773. $ln_s "$link_dest" "$link_name"

  4774. touch "$link_dest/test_file"

  4775. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4776.     # create link to source path

  4777.     [ -e src ] && rm src

  4778.     $ln_s "$source_path" src

  4779.     source_link=src

  4780. else

  4781.     # creating directory links doesn't work

  4782.     # fall back to using the full source path

  4783.     source_link="$source_path"

  4784. fi

  4785. # cleanup

  4786. rm -r "$link_dest"

  4787. rm -r "$link_name"

  4788. 

  4789. # determine libc flavour

  4790. 

  4791. probe_libc(){

  4792.     pfx=$1

  4793.     pfx_no_=${pfx%_}

  4794.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4795.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4796.         eval ${pfx}libc_type=uclibc

  4797.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4798.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4799.         eval ${pfx}libc_type=glibc

  4800.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4801.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4802.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4803.         eval ${pfx}libc_type=newlib

  4804.         add_${pfx}cppflags -U__STRICT_ANSI__

  4805.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4806.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4807.         eval ${pfx}libc_type=mingw64

  4808.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4809.             add_compat msvcrt/snprintf.o

  4810.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4811.         fi

  4812.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4813.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4814.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4815.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4816.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4817.         eval ${pfx}libc_type=mingw32

  4818.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4819.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4820.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4821.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4822.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4823.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4824.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4825.         eval ${pfx}libc_type=msvcrt

  4826.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4827.             if [ "$pfx" = host_ ]; then

  4828.                 add_host_cppflags -Dsnprintf=_snprintf

  4829.             else

  4830.                 add_compat strtod.o strtod=avpriv_strtod

  4831.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4832.                                              _snprintf=avpriv_snprintf  \

  4833.                                              vsnprintf=avpriv_vsnprintf

  4834.             fi

  4835.         fi

  4836.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4837.         # 0x601 by default unless something else is set by the user.

  4838.         # This can easily lead to us detecting functions only present

  4839.         # in such new versions and producing binaries requiring windows 7.0.

  4840.         # Therefore explicitly set the default to XP unless the user has

  4841.         # set something else on the command line.

  4842.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4843.         # family. For these cases, configure is free to use any functions

  4844.         # found in the SDK headers by default. (Alternatively, we could force

  4845.         # _WIN32_WINNT to 0x0602 in that case.)

  4846.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4847.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4848. #ifdef WINAPI_FAMILY

  4849. #include <winapifamily.h>

  4850. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4851. #error not desktop

  4852. #endif

  4853. #endif

  4854. EOF

  4855.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4856.         eval ${pfx}libc_type=klibc

  4857.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4858.         eval ${pfx}libc_type=bionic

  4859.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4860.         eval ${pfx}libc_type=solaris

  4861.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4862.     fi

  4863.     check_${pfx}cc <<EOF

  4864. #include <time.h>

  4865. void *v = localtime_r;

  4866. EOF

  4867. 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

  4868. #include <time.h>

  4869. void *v = localtime_r;

  4870. EOF

  4871. 

  4872. }

  4873. 

  4874. probe_libc

  4875. test -n "$libc_type" && enable libc_$libc_type

  4876. probe_libc host_

  4877. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4878. 

  4879. case $libc_type in

  4880.     bionic)

  4881.         add_compat strtod.o strtod=avpriv_strtod

  4882.         ;;

  4883. esac

  4884. 

  4885. # hacks for compiler/libc/os combinations

  4886. 

  4887. if enabled_all tms470 libc_glibc; then

  4888.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4889.     add_cppflags -D__USER_LABEL_PREFIX__=

  4890.     add_cppflags -D__builtin_memset=memset

  4891.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4892.     add_cflags   -pds=48    # incompatible redefinition of macro

  4893. fi

  4894. 

  4895. if enabled_all ccc libc_glibc; then

  4896.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4897. fi

  4898. 

  4899. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4900.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4901. 

  4902. esc(){

  4903.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4904. }

  4905. 

  4906. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4907. 

  4908. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4909. 

  4910. set_default libdir

  4911. : ${shlibdir_default:="$libdir"}

  4912. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4913. 

  4914. set_default $PATHS_LIST

  4915. set_default nm

  4916. 

  4917. # we need to build at least one lib type

  4918. if ! enabled_any static shared; then

  4919.     cat <<EOF

  4920. At least one library type must be built.

  4921. Specify --enable-static to build the static libraries or --enable-shared to

  4922. build the shared libraries as well. To only build the shared libraries specify

  4923. --disable-static in addition to --enable-shared.

  4924. EOF

  4925.     exit 1;

  4926. fi

  4927. 

  4928. die_license_disabled() {

  4929.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4930. }

  4931. 

  4932. die_license_disabled_gpl() {

  4933.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4934. }

  4935. 

  4936. die_license_disabled gpl frei0r

  4937. die_license_disabled gpl libcdio

  4938. die_license_disabled gpl librubberband

  4939. die_license_disabled gpl libsmbclient

  4940. die_license_disabled gpl libutvideo

  4941. die_license_disabled gpl libvidstab

  4942. die_license_disabled gpl libx264

  4943. die_license_disabled gpl libx265

  4944. die_license_disabled gpl libxavs

  4945. die_license_disabled gpl libxvid

  4946. die_license_disabled gpl x11grab

  4947. 

  4948. die_license_disabled nonfree cuda

  4949. die_license_disabled nonfree libfaac

  4950. die_license_disabled nonfree nvenc

  4951. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4952. enabled gpl && die_license_disabled_gpl nonfree openssl

  4953. 

  4954. die_license_disabled version3 gmp

  4955. die_license_disabled version3 libopencore_amrnb

  4956. die_license_disabled version3 libopencore_amrwb

  4957. die_license_disabled version3 libsmbclient

  4958. die_license_disabled version3 libvo_amrwbenc

  4959. 

  4960. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4961. 

  4962. disabled optimizations || check_cflags -fomit-frame-pointer

  4963. 

  4964. enable_weak_pic() {

  4965.     disabled pic && return

  4966.     enable pic

  4967.     add_cppflags -DPIC

  4968.     case "$target_os" in

  4969.     mingw*|cygwin*)

  4970.         ;;

  4971.     *)

  4972.         add_cflags -fPIC

  4973.         ;;

  4974.     esac

  4975.     add_asflags  -fPIC

  4976. }

  4977. 

  4978. enabled pic && enable_weak_pic

  4979. 

  4980. check_cc <<EOF || die "Symbol mangling check failed."

  4981. int ff_extern;

  4982. EOF

  4983. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4984. extern_prefix=${sym%%ff_extern*}

  4985. 

  4986. check_cc <<EOF && enable_weak inline_asm

  4987. void foo(void) { __asm__ volatile ("" ::); }

  4988. EOF

  4989. 

  4990. _restrict=

  4991. for restrict_keyword in restrict __restrict__ __restrict; do

  4992.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4993. void foo(char * $restrict_keyword p);

  4994. EOF

  4995. done

  4996. 

  4997. check_cc <<EOF && enable pragma_deprecated

  4998. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4999. EOF

  5000. 

  5001. check_cc <<EOF && enable attribute_packed

  5002. struct { int x; } __attribute__((packed)) x;

  5003. EOF

  5004. 

  5005. check_cc <<EOF && enable attribute_may_alias

  5006. union { int x; } __attribute__((may_alias)) x;

  5007. EOF

  5008. 

  5009. check_cc <<EOF || die "endian test failed"

  5010. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5011. EOF

  5012. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5013. 

  5014. if ! enabled ppc64 || enabled bigendian; then

  5015.     disable vsx

  5016. fi

  5017. 

  5018. check_gas() {

  5019.     log "check_gas using '$as' as AS"

  5020.     # :vararg is used on aarch64, arm and ppc altivec

  5021.     check_as <<EOF || return 1

  5022. .macro m n, y:vararg=0

  5023. \n: .int \y

  5024. .endm

  5025. m x

  5026. EOF

  5027.     # .altmacro is only used in arm asm

  5028.     ! enabled arm || check_as <<EOF || return 1

  5029. .altmacro

  5030. EOF

  5031.     enable gnu_as

  5032.     return 0

  5033. }

  5034. 

  5035. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5036.     nogas=:

  5037.     enabled_any arm aarch64 && nogas=die

  5038.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5039.     as_noop=-v

  5040. 

  5041.     case $as_type in

  5042.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5043.         gcc)  gaspp_as_type=gas ;;

  5044.         *)    gaspp_as_type=$as_type ;;

  5045.     esac

  5046. 

  5047.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5048. 

  5049.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5050.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5051.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5052. 

  5053.     if ! check_gas ; then

  5054.         as=${gas:=$as}

  5055.         check_gas || \

  5056.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5057.     fi

  5058. 

  5059.     check_as <<EOF && enable as_func

  5060. .func test

  5061. .endfunc

  5062. EOF

  5063. fi

  5064. 

  5065. check_inline_asm inline_asm_labels '"1:\n"'

  5066. 

  5067. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5068. 

  5069. if enabled aarch64; then

  5070.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5071.     # internal assembler in clang 3.3 does not support this instruction

  5072.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5073.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5074. 

  5075.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5076. 

  5077. elif enabled alpha; then

  5078. 

  5079.     check_cflags -mieee

  5080. 

  5081. elif enabled arm; then

  5082. 

  5083.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5084. 

  5085.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5086. float func(float a, float b){ return a+b; }

  5087. EOF

  5088. 

  5089.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5090. 

  5091.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5092.         enable vfp_args

  5093.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5094.         enable vfp_args

  5095.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5096.         case "${cross_prefix:-$cc}" in

  5097.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5098.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5099. __asm__ (".eabi_attribute 28, 1");

  5100. int main(void) { return 0; }

  5101. EOF

  5102.         esac

  5103.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5104.     fi

  5105. 

  5106.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5107.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5108.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5109.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5110.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5111.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5112.     enabled setend  && check_insn setend  'setend be'

  5113. 

  5114.     [ $target_os = linux ] || [ $target_os = android ] ||

  5115.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5116.             $ARCH_EXT_LIST_ARM

  5117. 

  5118.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5119. 

  5120.     check_as <<EOF && enable as_dn_directive

  5121. ra .dn d0.i16

  5122. .unreq ra

  5123. EOF

  5124. 

  5125.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5126.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5127. .object_arch armv4

  5128. EOF

  5129. 

  5130.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5131. 

  5132. elif enabled mips; then

  5133. 

  5134.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5135.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5136.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5137. 

  5138.     # Enable minimum ISA based on selected options

  5139.     if enabled mips64; then

  5140.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5141.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5142.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5143.     else

  5144.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5145.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5146.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5147.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5148.     fi

  5149. 

  5150.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5151.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5152.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa

  5153.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5154.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5155. 

  5156. elif enabled parisc; then

  5157. 

  5158.     if enabled gcc; then

  5159.         case $($cc -dumpversion) in

  5160.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5161.         esac

  5162.     fi

  5163. 

  5164. elif enabled ppc; then

  5165. 

  5166.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5167. 

  5168.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5169.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5170.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5171.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5172. 

  5173.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5174.     if enabled altivec; then

  5175.         check_cflags -maltivec -mabi=altivec &&

  5176.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5177.         check_cflags -faltivec

  5178. 

  5179.         # check if our compiler supports Motorola AltiVec C API

  5180.         check_cc <<EOF || disable altivec

  5181. $inc_altivec_h

  5182. int main(void) {

  5183.     vector signed int v1 = (vector signed int) { 0 };

  5184.     vector signed int v2 = (vector signed int) { 1 };

  5185.     v1 = vec_add(v1, v2);

  5186.     return 0;

  5187. }

  5188. EOF

  5189. 

  5190.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5191.     fi

  5192. 

  5193.     if enabled vsx; then

  5194.         check_cflags -mvsx &&

  5195.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5196.     fi

  5197. 

  5198.     if enabled power8; then

  5199.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5200.     fi

  5201. 

  5202. elif enabled x86; then

  5203. 

  5204.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5205.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5206. 

  5207.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5208. 

  5209.     # check whether EBP is available on x86

  5210.     # As 'i' is stored on the stack, this program will crash

  5211.     # if the base pointer is used to access it because the

  5212.     # base pointer is cleared in the inline assembly code.

  5213.     check_exec_crash <<EOF && enable ebp_available

  5214. volatile int i=0;

  5215. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5216. return i;

  5217. EOF

  5218. 

  5219.     # check whether EBX is available on x86

  5220.     check_inline_asm ebx_available '""::"b"(0)' &&

  5221.         check_inline_asm ebx_available '"":::"%ebx"'

  5222. 

  5223.     # check whether xmm clobbers are supported

  5224.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5225. 

  5226.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5227.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5228. 

  5229.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5230.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5231.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5232. 

  5233.     if ! disabled_any asm mmx yasm; then

  5234.         if check_cmd $yasmexe --version; then

  5235.             enabled x86_64 && yasm_extra="-m amd64"

  5236.             yasm_debug="-g dwarf2"

  5237.         elif check_cmd nasm -v; then

  5238.             yasmexe=nasm

  5239.             yasm_debug="-g -F dwarf"

  5240.             if enabled x86_64; then

  5241.                 case "$objformat" in

  5242.                     elf)   objformat=elf64 ;;

  5243.                     win32) objformat=win64 ;;

  5244.                 esac

  5245.             fi

  5246.         fi

  5247. 

  5248.         YASMFLAGS="-f $objformat $yasm_extra"

  5249.         enabled pic               && append YASMFLAGS "-DPIC"

  5250.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5251.         case "$objformat" in

  5252.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5253.         esac

  5254. 

  5255.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5256.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5257.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5258.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5259.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5260.         check_yasm "CPU amdnop" || disable cpunop

  5261.     fi

  5262. 

  5263.     case "$cpu" in

  5264.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5265.             disable fast_clz

  5266.         ;;

  5267.     esac

  5268. 

  5269. fi

  5270. 

  5271. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5272. 

  5273. check_ldflags -Wl,--as-needed

  5274. check_ldflags -Wl,-z,noexecstack

  5275. 

  5276. if check_func dlopen; then

  5277.     ldl=

  5278. elif check_func dlopen -ldl; then

  5279.     ldl=-ldl

  5280. fi

  5281. 

  5282. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5283. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5284. frei0r_filter_extralibs='$ldl'

  5285. frei0r_src_filter_extralibs='$ldl'

  5286. ladspa_filter_extralibs='$ldl'

  5287. nvenc_encoder_extralibs='$ldl'

  5288. coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5289. coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5290. 

  5291. if ! disabled network; then

  5292.     check_func getaddrinfo $network_extralibs

  5293.     check_func inet_aton $network_extralibs

  5294. 

  5295.     check_type netdb.h "struct addrinfo"

  5296.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5297.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5298.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5299.     check_type poll.h "struct pollfd"

  5300.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5301.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5302.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5303.     check_type netinet/in.h "struct sockaddr_in6"

  5304.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5305.     check_type "sys/types.h sys/socket.h" socklen_t

  5306. 

  5307.     # Prefer arpa/inet.h over winsock2

  5308.     if check_header arpa/inet.h ; then

  5309.         check_func closesocket

  5310.     elif check_header winsock2.h ; then

  5311.         check_func_headers winsock2.h closesocket -lws2 &&

  5312.             network_extralibs="-lws2" ||

  5313.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5314.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5315.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5316. 

  5317.         check_type ws2tcpip.h socklen_t

  5318.         check_type ws2tcpip.h "struct addrinfo"

  5319.         check_type ws2tcpip.h "struct group_source_req"

  5320.         check_type ws2tcpip.h "struct ip_mreq_source"

  5321.         check_type ws2tcpip.h "struct ipv6_mreq"

  5322.         check_type winsock2.h "struct pollfd"

  5323.         check_struct winsock2.h "struct sockaddr" sa_len

  5324.         check_type ws2tcpip.h "struct sockaddr_in6"

  5325.         check_type ws2tcpip.h "struct sockaddr_storage"

  5326.     else

  5327.         disable network

  5328.     fi

  5329. fi

  5330. 

  5331. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5332. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5333. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5334. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5335. check_builtin sarestart signal.h "SA_RESTART"

  5336. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5337. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5338. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5339. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5340. 

  5341. case "$custom_allocator" in

  5342.     jemalloc)

  5343.         # jemalloc by default does not use a prefix

  5344.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5345.     ;;

  5346.     tcmalloc)

  5347.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5348.         malloc_prefix=tc_

  5349.     ;;

  5350. esac

  5351. 

  5352. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5353. check_func  ${malloc_prefix}memalign            && enable memalign

  5354. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5355. 

  5356. check_func  access

  5357. check_func  arc4random

  5358. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5359. check_func  fcntl

  5360. check_func  fork

  5361. check_func  gethrtime

  5362. check_func  getopt

  5363. check_func  getrusage

  5364. check_func  gettimeofday

  5365. check_func  isatty

  5366. check_func  mach_absolute_time

  5367. check_func  mkstemp

  5368. check_func  mmap

  5369. check_func  mprotect

  5370. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5371. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5372. check_func  sched_getaffinity

  5373. check_func  setrlimit

  5374. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5375. check_func  strerror_r

  5376. check_func  sysconf

  5377. check_func  sysctl

  5378. check_func  usleep

  5379. 

  5380. check_func_headers conio.h kbhit

  5381. check_func_headers io.h setmode

  5382. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5383. check_func_headers stdlib.h getenv

  5384. check_func_headers sys/stat.h lstat

  5385. 

  5386. check_func_headers windows.h CoTaskMemFree -lole32

  5387. check_func_headers windows.h GetProcessAffinityMask

  5388. check_func_headers windows.h GetProcessTimes

  5389. check_func_headers windows.h GetSystemTimeAsFileTime

  5390. check_func_headers windows.h MapViewOfFile

  5391. check_func_headers windows.h PeekNamedPipe

  5392. check_func_headers windows.h SetConsoleTextAttribute

  5393. check_func_headers windows.h SetConsoleCtrlHandler

  5394. check_func_headers windows.h Sleep

  5395. check_func_headers windows.h VirtualAlloc

  5396. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5397. check_func_headers glob.h glob

  5398. enabled xlib &&

  5399.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5400. 

  5401. check_header AudioToolbox/AudioToolbox.h

  5402. check_header direct.h

  5403. check_header dirent.h

  5404. check_header dlfcn.h

  5405. check_header d3d11.h

  5406. check_header dxva.h

  5407. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5408. check_header io.h

  5409. check_header libcrystalhd/libcrystalhd_if.h

  5410. check_header mach/mach_time.h

  5411. check_header malloc.h

  5412. check_header net/udplite.h

  5413. check_header poll.h

  5414. check_header sys/mman.h

  5415. check_header sys/param.h

  5416. check_header sys/resource.h

  5417. check_header sys/select.h

  5418. check_header sys/time.h

  5419. check_header sys/un.h

  5420. check_header termios.h

  5421. check_header unistd.h

  5422. check_header valgrind/valgrind.h

  5423. check_header vdpau/vdpau.h

  5424. check_header vdpau/vdpau_x11.h

  5425. check_header VideoDecodeAcceleration/VDADecoder.h

  5426. check_header VideoToolbox/VideoToolbox.h

  5427. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5428. check_header windows.h

  5429. check_header X11/extensions/XvMClib.h

  5430. check_header asm/types.h

  5431. 

  5432. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5433. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5434. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5435. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5436. 

  5437. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5438. 

  5439. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5440. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5441. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5442. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5443. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5444. 

  5445. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5446. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5447. 

  5448. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5449. 

  5450. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5451. 

  5452. if ! disabled w32threads && ! enabled pthreads; then

  5453.     check_func_headers "windows.h process.h" _beginthreadex &&

  5454.         enable w32threads || disable w32threads

  5455.     if ! enabled w32threads && enabled winrt; then

  5456.         check_func_headers "windows.h" CreateThread &&

  5457.             enable w32threads || disable w32threads

  5458.     fi

  5459. fi

  5460. 

  5461. # check for some common methods of building with pthread support

  5462. # do this before the optional library checks as some of them require pthreads

  5463. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5464.     enable pthreads

  5465.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5466.         add_cflags -pthread

  5467.         add_extralibs -pthread

  5468.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5469.         add_cflags -pthreads

  5470.         add_extralibs -pthreads

  5471.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5472.         add_cflags -ldl -pthread

  5473.         add_extralibs -ldl -pthread

  5474.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5475.         add_extralibs -lpthreadGC2

  5476.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5477.         :

  5478.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5479.         disable pthreads

  5480.     fi

  5481.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5482. fi

  5483. 

  5484. 

  5485. if enabled pthreads; then

  5486.   check_func pthread_cancel

  5487. fi

  5488. 

  5489. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5490. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5491. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5492. 

  5493. check_lib math.h sin -lm && LIBM="-lm"

  5494. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5495. 

  5496. atan2f_args=2

  5497. copysign_args=2

  5498. hypot_args=2

  5499. ldexpf_args=2

  5500. powf_args=2

  5501. 

  5502. for func in $MATH_FUNCS; do

  5503.     eval check_mathfunc $func \${${func}_args:-1}

  5504. done

  5505. 

  5506. for func in $COMPLEX_FUNCS; do

  5507.     eval check_complexfunc $func \${${func}_args:-1}

  5508. done

  5509. 

  5510. # these are off by default, so fail if requested and not available

  5511. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5512. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5513.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5514. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5515.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5516.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5517. enabled cuda              && { check_lib cuda.h cuInit -lcuda ||

  5518.                                die "ERROR: CUDA not found"; }

  5519. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5520. enabled coreimage_filter  && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }

  5521. enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }

  5522. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5523. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5524. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5525. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5526. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&

  5527.                                check_lib2 "dlfcn.h" dlopen -ldl; }

  5528. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5529. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5530. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5531. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5532. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5533. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5534.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5535.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5536. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5537. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5538. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5539.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5540.                                  warn "using libfdk without pkg-config"; } }

  5541. flite_libs="-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"

  5542. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5543. enabled fontconfig        && enable libfontconfig

  5544. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5545. enabled libfreetype       && require_libfreetype

  5546. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5547. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5548. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5549.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5550.                                done || die "ERROR: libgsm not found"; }

  5551. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5552. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5553. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5554. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5555. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5556. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5557. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5558. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5559. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5560.                                { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5561.                                  require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5562.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5563. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5564. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5565.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5566.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5567.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5568.                                die "ERROR: libopenjpeg not found"; }

  5569. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5570. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5571. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5572. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5573. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5574. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5575. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5576.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5577. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5578. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5579. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5580. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5581. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5582. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5583. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5584.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5585.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5586. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5587. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5588. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5589. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5590. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5591. 

  5592. enabled libvpx            && {

  5593.     enabled libvpx_vp8_decoder && {

  5594.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5595.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5596.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5597.     }

  5598.     enabled libvpx_vp8_encoder && {

  5599.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5600.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5601.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5602.     }

  5603.     enabled libvpx_vp9_decoder && {

  5604.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5605.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5606.                 disable libvpx_vp9_decoder;

  5607.     }

  5608.     enabled libvpx_vp9_encoder && {

  5609.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5610.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5611.                 disable libvpx_vp9_encoder;

  5612.     }

  5613.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5614.         die "libvpx enabled but no supported decoders found"

  5615.     fi

  5616. }

  5617. 

  5618. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5619. enabled libwebp           && {

  5620.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5621.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5622. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5623.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5624.                                  warn "using libx264 without pkg-config"; } } &&

  5625.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5626.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5627.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5628.                                enable libx262; }

  5629. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5630.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5631.                                die "ERROR: libx265 version must be >= 68."; }

  5632. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5633. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5634. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5635. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5636. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5637.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5638.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5639. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  5640. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5641.                                 { ! enabled cross_compile && {

  5642.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5643.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5644.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5645.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5646.                                die "ERROR: mmal not found"; }

  5647. enabled mmal &&

  5648.     (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||

  5649.      die "ERROR: mmal firmware headers too old")

  5650. 

  5651. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5652. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5653.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||

  5654.                                die "ERROR: NVENC API version 5 or older is not supported"; } &&

  5655.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5656. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5657.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5658.                                die "ERROR: openal not found"; } &&

  5659.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5660.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5661. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5662.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5663.                                die "ERROR: opencl not found"; } &&

  5664.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5665.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5666.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5667. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5668.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5669.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5670.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5671.                                die "ERROR: opengl not found."

  5672.                              }

  5673. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5674.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5675.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5676.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5677.                                die "ERROR: openssl not found"; }

  5678. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5679. 

  5680. # libdc1394 check

  5681. if enabled libdc1394; then

  5682.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5683.         enable libdc1394_2; } ||

  5684.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5685.         enable libdc1394_1; } ||

  5686.     die "ERROR: No version of libdc1394 found "

  5687. fi

  5688. 

  5689. if enabled gcrypt; then

  5690.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5691.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5692.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5693.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5694.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5695.             die "ERROR: gcrypt not found"

  5696.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5697.     else

  5698.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5699.     fi

  5700. fi

  5701. 

  5702. if ! disabled sdl; then

  5703.     SDL_CONFIG="${cross_prefix}sdl-config"

  5704.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5705.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5706.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5707.         enable sdl

  5708.     else

  5709.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5710.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5711.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5712.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5713.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5714.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5715.             enable sdl

  5716.         elif enabled sdl ; then

  5717.             die "ERROR: SDL not found"

  5718.         else

  5719.             disable sdl

  5720.         fi

  5721.     fi

  5722.     if test $target_os = "mingw32"; then

  5723.         sdl_libs="$sdl_libs -mconsole"

  5724.     fi

  5725. fi

  5726. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5727. 

  5728. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5729.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5730.     enable securetransport; }

  5731. 

  5732. disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  5733.                        check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }

  5734. 

  5735. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5736. enabled makeinfo \

  5737.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5738.     && enable makeinfo_html || disable makeinfo_html

  5739. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5740. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5741. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5742. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5743. 

  5744. check_header linux/fb.h

  5745. check_header linux/videodev.h

  5746. check_header linux/videodev2.h

  5747. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5748. 

  5749. check_header sys/videoio.h

  5750. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5751. 

  5752. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5753. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5754. # w32api 3.12 had it defined wrong

  5755. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5756. 

  5757. check_type "dshow.h" IBaseFilter

  5758. 

  5759. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5760. { check_header dev/bktr/ioctl_meteor.h &&

  5761.   check_header dev/bktr/ioctl_bt848.h; } ||

  5762. { check_header machine/ioctl_meteor.h &&

  5763.   check_header machine/ioctl_bt848.h; } ||

  5764. { check_header dev/video/meteor/ioctl_meteor.h &&

  5765.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5766. check_header dev/ic/bt8xx.h

  5767. 

  5768. check_header sndio.h

  5769. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5770.     enable_safe sys/soundcard.h

  5771. else

  5772.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5773.     #include <sys/soundcard.h>

  5774.     audio_buf_info abc;

  5775. EOF

  5776. fi

  5777. check_header soundcard.h

  5778. 

  5779. enabled_any alsa_indev alsa_outdev &&

  5780.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5781. 

  5782. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5783.     check_func jack_port_get_latency_range -ljack

  5784. 

  5785. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5786. 

  5787. if enabled libcdio; then

  5788.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5789.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5790.     die "ERROR: No usable libcdio/cdparanoia found"

  5791. fi

  5792. 

  5793. enabled xlib &&

  5794.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5795. 

  5796. if ! disabled libxcb; then

  5797.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5798.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5799.     } && disable x11grab && enable libxcb

  5800. 

  5801. if enabled libxcb; then

  5802.     disabled libxcb_shm || {

  5803.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5804.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5805.         } && check_header sys/shm.h && enable libxcb_shm; }

  5806. 

  5807.     disabled libxcb_xfixes || {

  5808.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5809.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5810.         } && enable libxcb_xfixes; }

  5811. 

  5812.     disabled libxcb_shape || {

  5813.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5814.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5815.         } && enable libxcb_shape; }

  5816. 

  5817.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5818.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5819. fi

  5820. fi

  5821. 

  5822. if enabled x11grab; then

  5823.     enabled xlib || die "ERROR: Xlib not found"

  5824.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5825.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5826. fi

  5827. 

  5828. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5829. 

  5830. enabled dxva2api_h &&

  5831.     check_cc <<EOF && enable dxva2api_cobj

  5832. #define _WIN32_WINNT 0x0600

  5833. #define COBJMACROS

  5834. #include <windows.h>

  5835. #include <d3d9.h>

  5836. #include <dxva2api.h>

  5837. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5838. EOF

  5839. 

  5840. enabled vaapi &&

  5841.     check_lib va/va.h vaInitialize -lva ||

  5842.     disable vaapi

  5843. 

  5844. enabled vaapi && enabled xlib &&

  5845.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5846.     enable vaapi_x11

  5847. 

  5848. enabled vdpau &&

  5849.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5850.     disable vdpau

  5851. 

  5852. enabled vdpau && enabled xlib &&

  5853.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5854.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5855.     enable vdpau_x11

  5856. 

  5857. # Funny iconv installations are not unusual, so check it after all flags have been set

  5858. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5859. 

  5860. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5861. 

  5862. # add some useful compiler flags if supported

  5863. check_cflags -Wdeclaration-after-statement

  5864. check_cflags -Wall

  5865. check_cflags -Wdisabled-optimization

  5866. check_cflags -Wpointer-arith

  5867. check_cflags -Wredundant-decls

  5868. check_cflags -Wwrite-strings

  5869. check_cflags -Wtype-limits

  5870. check_cflags -Wundef

  5871. check_cflags -Wmissing-prototypes

  5872. check_cflags -Wno-pointer-to-int-cast

  5873. check_cflags -Wstrict-prototypes

  5874. check_cflags -Wempty-body

  5875. enabled extra_warnings && check_cflags -Winline

  5876. enabled extra_warnings && check_cflags -Wcast-qual

  5877. 

  5878. check_disable_warning(){

  5879.     warning_flag=-W${1#-Wno-}

  5880.     test_cflags $warning_flag && add_cflags $1

  5881. }

  5882. 

  5883. check_disable_warning -Wno-parentheses

  5884. check_disable_warning -Wno-switch

  5885. check_disable_warning -Wno-format-zero-length

  5886. check_disable_warning -Wno-pointer-sign

  5887. check_disable_warning -Wno-unused-const-variable

  5888. 

  5889. # add some linker flags

  5890. check_ldflags -Wl,--warn-common

  5891. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5892. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5893. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5894. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5895. 

  5896. # add some strip flags

  5897. # -wN '..@*' is more selective than -x, but not available everywhere.

  5898. check_stripflags -wN \'..@*\' || check_stripflags -x

  5899. 

  5900. enabled neon_clobber_test &&

  5901.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5902.                   -Wl,--wrap,avcodec_decode_audio4      \

  5903.                   -Wl,--wrap,avcodec_decode_video2      \

  5904.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5905.                   -Wl,--wrap,avcodec_encode_audio2      \

  5906.                   -Wl,--wrap,avcodec_encode_video2      \

  5907.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5908.                   -Wl,--wrap,swr_convert                \

  5909.                   -Wl,--wrap,avresample_convert ||

  5910.     disable neon_clobber_test

  5911. 

  5912. enabled xmm_clobber_test &&

  5913.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5914.                   -Wl,--wrap,avcodec_decode_audio4      \

  5915.                   -Wl,--wrap,avcodec_decode_video2      \

  5916.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5917.                   -Wl,--wrap,avcodec_encode_audio2      \

  5918.                   -Wl,--wrap,avcodec_encode_video2      \

  5919.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5920.                   -Wl,--wrap,swr_convert                \

  5921.                   -Wl,--wrap,avresample_convert         \

  5922.                   -Wl,--wrap,sws_scale ||

  5923.     disable xmm_clobber_test

  5924. 

  5925. echo "X { local: *; };" > $TMPV

  5926. if test_ldflags -Wl,--version-script,$TMPV; then

  5927.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5928. elif test_ldflags -Wl,-M,$TMPV; then

  5929.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5930. fi

  5931. 

  5932. check_cc <<EOF && enable symver_asm_label

  5933. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5934. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5935. EOF

  5936.     check_cc <<EOF && enable symver_gnu_asm

  5937. __asm__(".symver ff_foo,av_foo@VERSION");

  5938. void ff_foo(void) {}

  5939. EOF

  5940. 

  5941. if [ -z "$optflags" ]; then

  5942.     if enabled small; then

  5943.         optflags=$cflags_size

  5944.     elif enabled optimizations; then

  5945.         optflags=$cflags_speed

  5946.     else

  5947.         optflags=$cflags_noopt

  5948.     fi

  5949. fi

  5950. 

  5951. check_optflags(){

  5952.     check_cflags "$@"

  5953.     enabled lto && check_ldflags "$@"

  5954. }

  5955. 

  5956. 

  5957. if enabled lto; then

  5958.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5959.     check_cflags  -flto

  5960.     check_ldflags -flto $cpuflags

  5961.     disable inline_asm_direct_symbol_refs

  5962. fi

  5963. 

  5964. check_optflags $optflags

  5965. check_optflags -fno-math-errno

  5966. check_optflags -fno-signed-zeros

  5967. 

  5968. enabled ftrapv && check_cflags -ftrapv

  5969. 

  5970. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5971. int x;

  5972. EOF

  5973. 

  5974. 

  5975. if enabled icc; then

  5976.     # Just warnings, no remarks

  5977.     check_cflags -w1

  5978.     # -wd: Disable following warnings

  5979.     # 144, 167, 556: -Wno-pointer-sign

  5980.     # 188: enumerated type mixed with another type

  5981.     # 1292: attribute "foo" ignored

  5982.     # 1419: external declaration in primary source file

  5983.     # 10006: ignoring unknown option -fno-signed-zeros

  5984.     # 10148: ignoring unknown option -Wno-parentheses

  5985.     # 10156: ignoring option '-W'; no argument required

  5986.     # 13200: No EMMS instruction before call to function

  5987.     # 13203: No EMMS instruction before return from function

  5988.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5989.     # 11030: Warning unknown option --as-needed

  5990.     # 10156: ignoring option '-export'; no argument required

  5991.     check_ldflags -wd10156,11030

  5992.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5993.     enable ebp_available

  5994.     # The test above does not test linking

  5995.     enabled lto && disable symver_asm_label

  5996.     if enabled x86_32; then

  5997.         icc_version=$($cc -dumpversion)

  5998.         test ${icc_version%%.*} -ge 11 &&

  5999.             check_cflags -falign-stack=maintain-16-byte ||

  6000.             disable aligned_stack

  6001.     fi

  6002. elif enabled ccc; then

  6003.     # disable some annoying warnings

  6004.     add_cflags -msg_disable bitnotint

  6005.     add_cflags -msg_disable mixfuncvoid

  6006.     add_cflags -msg_disable nonstandcast

  6007.     add_cflags -msg_disable unsupieee

  6008. elif enabled gcc; then

  6009.     case $gcc_basever in

  6010.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  6011.         4.*)                 check_optflags -fno-tree-vectorize ;;

  6012.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  6013.     esac

  6014.     check_cflags -Werror=format-security

  6015.     check_cflags -Werror=implicit-function-declaration

  6016.     check_cflags -Werror=missing-prototypes

  6017.     check_cflags -Werror=return-type

  6018.     check_cflags -Werror=vla

  6019.     check_cflags -Wformat

  6020.     check_cflags -fdiagnostics-color=auto

  6021.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6022. elif enabled llvm_gcc; then

  6023.     check_cflags -mllvm -stack-alignment=16

  6024. elif enabled clang; then

  6025.     check_cflags -mllvm -stack-alignment=16

  6026.     check_cflags -Qunused-arguments

  6027.     check_cflags -Werror=implicit-function-declaration

  6028.     check_cflags -Werror=missing-prototypes

  6029.     check_cflags -Werror=return-type

  6030. elif enabled cparser; then

  6031.     add_cflags -Wno-missing-variable-declarations

  6032.     add_cflags -Wno-empty-statement

  6033. elif enabled armcc; then

  6034.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6035.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6036.     # 2523: use of inline assembly is deprecated

  6037.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6038.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6039.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6040.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6041.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6042.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6043. elif enabled tms470; then

  6044.     add_cflags -pds=824 -pds=837

  6045.     disable inline_asm

  6046. elif enabled pathscale; then

  6047.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6048. elif enabled_any msvc icl; then

  6049.     enabled x86_32 && disable aligned_stack

  6050.     enabled_all x86_32 debug && add_cflags -Oy-

  6051.     enabled debug && add_ldflags -debug

  6052.     enable pragma_deprecated

  6053.     if enabled icl; then

  6054.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6055.         # (correctly) on icl 13.x.

  6056.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6057.             add_cflags -Qansi-alias

  6058.         # Some inline asm is not compilable in debug

  6059.         if enabled debug; then

  6060.             disable ebp_available

  6061.             disable ebx_available

  6062.         fi

  6063.     fi

  6064.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6065.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6066.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6067.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6068.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6069.     # MSVC 2013 and newer can handle it fine.

  6070.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6071.     # happens in config.h.

  6072.     if [ $_restrict != restrict ]; then

  6073.         check_cc <<EOF || add_cflags -FIstdlib.h

  6074. __declspec($_restrict) void* foo(int);

  6075. EOF

  6076.     fi

  6077.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6078. fi

  6079. 

  6080. for pfx in "" host_; do

  6081.     varname=${pfx%_}cc_type

  6082.     eval "type=\$$varname"

  6083.     if [ $type = "msvc" ]; then

  6084.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6085. static inline int foo(int a) { return a; }

  6086. EOF

  6087.     fi

  6088. done

  6089. 

  6090. case $as_type in

  6091.     clang)

  6092.         add_asflags -Qunused-arguments

  6093.     ;;

  6094. esac

  6095. 

  6096. case $ld_type in

  6097.     clang)

  6098.         check_ldflags -Qunused-arguments

  6099.     ;;

  6100. esac

  6101. 

  6102. case $target_os in

  6103.     osf1)

  6104.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6105.     ;;

  6106.     plan9)

  6107.         add_cppflags -Dmain=plan9_main

  6108.     ;;

  6109. esac

  6110. 

  6111. enable frame_thread_encoder

  6112. 

  6113. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6114. 

  6115. check_deps $CONFIG_LIST       \

  6116.            $CONFIG_EXTRA      \

  6117.            $HAVE_LIST         \

  6118.            $ALL_COMPONENTS    \

  6119. 

  6120. 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"

  6121. 

  6122. 

  6123. if test $target_os = "haiku"; then

  6124.     disable memalign

  6125.     disable posix_memalign

  6126. fi

  6127. 

  6128. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6129.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6130.     enable dxva2_lib

  6131. 

  6132. ! enabled_any memalign posix_memalign aligned_malloc &&

  6133.     enabled simd_align_16 && enable memalign_hack

  6134. 

  6135. # add_dep lib dep

  6136. # -> enable ${lib}_deps_${dep}

  6137. # -> add $dep to ${lib}_deps only once

  6138. add_dep() {

  6139.     lib=$1

  6140.     dep=$2

  6141.     enabled "${lib}_deps_${dep}" && return 0

  6142.     enable  "${lib}_deps_${dep}"

  6143.     prepend "${lib}_deps" $dep

  6144. }

  6145. 

  6146. # merge deps lib components

  6147. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6148. merge_deps() {

  6149.     lib=$1

  6150.     shift

  6151.     for comp in $*; do

  6152.         enabled $comp || continue

  6153.         eval "dep=\"\$${comp}_deps\""

  6154.         for d in $dep; do

  6155.             add_dep $lib $d

  6156.         done

  6157.     done

  6158. }

  6159. 

  6160. merge_deps libavfilter $FILTER_LIST

  6161. 

  6162. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6163. 

  6164. for thread in $THREADS_LIST; do

  6165.     if enabled $thread; then

  6166.         test -n "$thread_type" &&

  6167.             die "ERROR: Only one thread type must be selected." ||

  6168.             thread_type="$thread"

  6169.     fi

  6170. done

  6171. 

  6172. enabled zlib && add_cppflags -DZLIB_CONST

  6173. 

  6174. # conditional library dependencies, in linking order

  6175. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6176. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6177. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6178. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6179. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6180. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6181. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6182. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6183. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6184. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6185. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6186. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6187. enabled pan_filter          && prepend avfilter_deps "swresample"

  6188. enabled pp_filter           && prepend avfilter_deps "postproc"

  6189. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6190. enabled resample_filter && prepend avfilter_deps "avresample"

  6191. enabled sab_filter          && prepend avfilter_deps "swscale"

  6192. enabled scale_filter    && prepend avfilter_deps "swscale"

  6193. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6194. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6195. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6196. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6197. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6198. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6199. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6200. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6201. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6202. 

  6203. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6204. 

  6205. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6206. 

  6207. expand_deps(){

  6208.     lib_deps=${1}_deps

  6209.     eval "deps=\$$lib_deps"

  6210.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6211.     unique $lib_deps

  6212. }

  6213. 

  6214. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6215. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6216. 

  6217. map 'expand_deps $v' $LIBRARY_LIST

  6218. 

  6219. echo "install prefix            $prefix"

  6220. echo "source path               $source_path"

  6221. echo "C compiler                $cc"

  6222. echo "C library                 $libc_type"

  6223. if test "$host_cc" != "$cc"; then

  6224.     echo "host C compiler           $host_cc"

  6225.     echo "host C library            $host_libc_type"

  6226. fi

  6227. echo "ARCH                      $arch ($cpu)"

  6228. if test "$build_suffix" != ""; then

  6229.     echo "build suffix              $build_suffix"

  6230. fi

  6231. if test "$progs_suffix" != ""; then

  6232.     echo "progs suffix              $progs_suffix"

  6233. fi

  6234. if test "$extra_version" != ""; then

  6235.     echo "version string suffix     $extra_version"

  6236. fi

  6237. echo "big-endian                ${bigendian-no}"

  6238. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6239. if enabled x86; then

  6240.     echo "${yasmexe}                      ${yasm-no}"

  6241.     echo "MMX enabled               ${mmx-no}"

  6242.     echo "MMXEXT enabled            ${mmxext-no}"

  6243.     echo "3DNow! enabled            ${amd3dnow-no}"

  6244.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6245.     echo "SSE enabled               ${sse-no}"

  6246.     echo "SSSE3 enabled             ${ssse3-no}"

  6247.     echo "AESNI enabled             ${aesni-no}"

  6248.     echo "AVX enabled               ${avx-no}"

  6249.     echo "XOP enabled               ${xop-no}"

  6250.     echo "FMA3 enabled              ${fma3-no}"

  6251.     echo "FMA4 enabled              ${fma4-no}"

  6252.     echo "i686 features enabled     ${i686-no}"

  6253.     echo "CMOV is fast              ${fast_cmov-no}"

  6254.     echo "EBX available             ${ebx_available-no}"

  6255.     echo "EBP available             ${ebp_available-no}"

  6256. fi

  6257. if enabled aarch64; then

  6258.     echo "NEON enabled              ${neon-no}"

  6259.     echo "VFP enabled               ${vfp-no}"

  6260. fi

  6261. if enabled arm; then

  6262.     echo "ARMv5TE enabled           ${armv5te-no}"

  6263.     echo "ARMv6 enabled             ${armv6-no}"

  6264.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6265.     echo "VFP enabled               ${vfp-no}"

  6266.     echo "NEON enabled              ${neon-no}"

  6267.     echo "THUMB enabled             ${thumb-no}"

  6268. fi

  6269. if enabled mips; then

  6270.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6271.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6272.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6273.     echo "MIPS MSA enabled          ${msa-no}"

  6274.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6275. fi

  6276. if enabled ppc; then

  6277.     echo "AltiVec enabled           ${altivec-no}"

  6278.     echo "VSX enabled               ${vsx-no}"

  6279.     echo "POWER8 enabled            ${power8-no}"

  6280.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6281.     echo "dcbzl available           ${dcbzl-no}"

  6282. fi

  6283. echo "debug symbols             ${debug-no}"

  6284. echo "strip symbols             ${stripping-no}"

  6285. echo "optimize for size         ${small-no}"

  6286. echo "optimizations             ${optimizations-no}"

  6287. echo "static                    ${static-no}"

  6288. echo "shared                    ${shared-no}"

  6289. echo "postprocessing support    ${postproc-no}"

  6290. echo "new filter support        ${avfilter-no}"

  6291. echo "network support           ${network-no}"

  6292. echo "threading support         ${thread_type-no}"

  6293. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6294. echo "SDL support               ${sdl-no}"

  6295. echo "opencl enabled            ${opencl-no}"

  6296. echo "JNI support               ${jni-no}"

  6297. echo "texi2html enabled         ${texi2html-no}"

  6298. echo "perl enabled              ${perl-no}"

  6299. echo "pod2man enabled           ${pod2man-no}"

  6300. echo "makeinfo enabled          ${makeinfo-no}"

  6301. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6302. test -n "$random_seed" &&

  6303.     echo "random seed               ${random_seed}"

  6304. echo

  6305. 

  6306. echo "Enabled programs:"

  6307. print_enabled '' $PROGRAM_LIST | print_in_columns

  6308. echo

  6309. 

  6310. echo "External libraries:"

  6311. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6312. echo

  6313. 

  6314. echo "Libraries:"

  6315. print_enabled '' $LIBRARY_LIST | print_in_columns

  6316. echo

  6317. 

  6318. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6319.     echo "Enabled ${type}s:"

  6320.     eval list=\$$(toupper $type)_LIST

  6321.     print_enabled '_*' $list | print_in_columns

  6322.     echo

  6323. done

  6324. 

  6325. license="LGPL version 2.1 or later"

  6326. if enabled nonfree; then

  6327.     license="nonfree and unredistributable"

  6328. elif enabled gplv3; then

  6329.     license="GPL version 3 or later"

  6330. elif enabled lgplv3; then

  6331.     license="LGPL version 3 or later"

  6332. elif enabled gpl; then

  6333.     license="GPL version 2 or later"

  6334. fi

  6335. 

  6336. echo "License: $license"

  6337. 

  6338. echo "Creating config.mak, config.h, and doc/config.texi..."

  6339. 

  6340. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6341. 

  6342. enabled stripping || strip="echo skipping strip"

  6343. 

  6344. config_files="$TMPH config.mak doc/config.texi"

  6345. 

  6346. cat > config.mak <<EOF

  6347. # Automatically generated by configure - do not modify!

  6348. ifndef FFMPEG_CONFIG_MAK

  6349. FFMPEG_CONFIG_MAK=1

  6350. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6351. prefix=$prefix

  6352. LIBDIR=\$(DESTDIR)$libdir

  6353. SHLIBDIR=\$(DESTDIR)$shlibdir

  6354. INCDIR=\$(DESTDIR)$incdir

  6355. BINDIR=\$(DESTDIR)$bindir

  6356. DATADIR=\$(DESTDIR)$datadir

  6357. DOCDIR=\$(DESTDIR)$docdir

  6358. MANDIR=\$(DESTDIR)$mandir

  6359. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6360. INSTALL_NAME_DIR=$install_name_dir

  6361. SRC_PATH=$source_path

  6362. SRC_LINK=$source_link

  6363. ifndef MAIN_MAKEFILE

  6364. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6365. endif

  6366. CC_IDENT=$cc_ident

  6367. ARCH=$arch

  6368. INTRINSICS=$intrinsics

  6369. CC=$cc

  6370. CXX=$cxx

  6371. AS=$as

  6372. OBJCC=$objcc

  6373. LD=$ld

  6374. DEPCC=$dep_cc

  6375. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6376. DEPAS=$as

  6377. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6378. YASM=$yasmexe

  6379. DEPYASM=$yasmexe

  6380. AR=$ar

  6381. ARFLAGS=$arflags

  6382. AR_O=$ar_o

  6383. RANLIB=$ranlib

  6384. STRIP=$strip

  6385. CP=cp -p

  6386. LN_S=$ln_s

  6387. CPPFLAGS=$CPPFLAGS

  6388. CFLAGS=$CFLAGS

  6389. CXXFLAGS=$CXXFLAGS

  6390. OBJCFLAGS=$OBJCFLAGS

  6391. ASFLAGS=$ASFLAGS

  6392. AS_C=$AS_C

  6393. AS_O=$AS_O

  6394. OBJCC_C=$OBJCC_C

  6395. OBJCC_E=$OBJCC_E

  6396. OBJCC_O=$OBJCC_O

  6397. CC_C=$CC_C

  6398. CC_E=$CC_E

  6399. CC_O=$CC_O

  6400. CXX_C=$CXX_C

  6401. CXX_O=$CXX_O

  6402. LD_O=$LD_O

  6403. LD_LIB=$LD_LIB

  6404. LD_PATH=$LD_PATH

  6405. DLLTOOL=$dlltool

  6406. WINDRES=$windres

  6407. DEPWINDRES=$dep_cc

  6408. DOXYGEN=$doxygen

  6409. LDFLAGS=$LDFLAGS

  6410. LDEXEFLAGS=$LDEXEFLAGS

  6411. LDLIBFLAGS=$LDLIBFLAGS

  6412. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6413. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6414. YASMFLAGS=$YASMFLAGS

  6415. BUILDSUF=$build_suffix

  6416. PROGSSUF=$progs_suffix

  6417. FULLNAME=$FULLNAME

  6418. LIBPREF=$LIBPREF

  6419. LIBSUF=$LIBSUF

  6420. LIBNAME=$LIBNAME

  6421. SLIBPREF=$SLIBPREF

  6422. SLIBSUF=$SLIBSUF

  6423. EXESUF=$EXESUF

  6424. EXTRA_VERSION=$extra_version

  6425. CCDEP=$CCDEP

  6426. CXXDEP=$CXXDEP

  6427. CCDEP_FLAGS=$CCDEP_FLAGS

  6428. ASDEP=$ASDEP

  6429. ASDEP_FLAGS=$ASDEP_FLAGS

  6430. CC_DEPFLAGS=$CC_DEPFLAGS

  6431. AS_DEPFLAGS=$AS_DEPFLAGS

  6432. HOSTCC=$host_cc

  6433. HOSTLD=$host_ld

  6434. HOSTCFLAGS=$host_cflags

  6435. HOSTCPPFLAGS=$host_cppflags

  6436. HOSTEXESUF=$HOSTEXESUF

  6437. HOSTLDFLAGS=$host_ldflags

  6438. HOSTLIBS=$host_libs

  6439. DEPHOSTCC=$host_cc

  6440. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6441. HOSTCCDEP=$HOSTCCDEP

  6442. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6443. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6444. HOSTCC_C=$HOSTCC_C

  6445. HOSTCC_O=$HOSTCC_O

  6446. HOSTLD_O=$HOSTLD_O

  6447. TARGET_EXEC=$target_exec $target_exec_args

  6448. TARGET_PATH=$target_path

  6449. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6450. CFLAGS-ffplay=$sdl_cflags

  6451. ZLIB=$($ldflags_filter -lz)

  6452. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6453. EXTRALIBS=$extralibs

  6454. COMPAT_OBJS=$compat_objs

  6455. EXEOBJS=$exeobjs

  6456. INSTALL=$install

  6457. LIBTARGET=${LIBTARGET}

  6458. SLIBNAME=${SLIBNAME}

  6459. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6460. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6461. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6462. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6463. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6464. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6465. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6466. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6467. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6468. NOREDZONE_FLAGS=$noredzone_flags

  6469. EOF

  6470. 

  6471. get_version(){

  6472.     lcname=lib${1}

  6473.     name=$(toupper $lcname)

  6474.     file=$source_path/$lcname/version.h

  6475.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6476.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6477.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6478.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6479.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6480.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6481. }

  6482. 

  6483. map 'get_version $v' $LIBRARY_LIST

  6484. 

  6485. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6486. 

  6487. print_program_libs(){

  6488.     eval "program_libs=\$${1}_libs"

  6489.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6490. }

  6491. 

  6492. map 'print_program_libs $v' $PROGRAM_LIST

  6493. 

  6494. cat > $TMPH <<EOF

  6495. /* Automatically generated by configure - do not modify! */

  6496. #ifndef FFMPEG_CONFIG_H

  6497. #define FFMPEG_CONFIG_H

  6498. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6499. #define FFMPEG_LICENSE "$(c_escape $license)"

  6500. #define CONFIG_THIS_YEAR 2016

  6501. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6502. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6503. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6504. #define av_restrict $_restrict

  6505. #define EXTERN_PREFIX "${extern_prefix}"

  6506. #define EXTERN_ASM ${extern_prefix}

  6507. #define BUILDSUF "$build_suffix"

  6508. #define SLIBSUF "$SLIBSUF"

  6509. #define HAVE_MMX2 HAVE_MMXEXT

  6510. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6511. EOF

  6512. 

  6513. test -n "$assert_level" &&

  6514.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6515. 

  6516. test -n "$malloc_prefix" &&

  6517.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6518. 

  6519. if enabled yasm; then

  6520.     append config_files $TMPASM

  6521.     printf '' >$TMPASM

  6522. fi

  6523. 

  6524. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6525. 

  6526. 

  6527. mkdir -p doc

  6528. mkdir -p tests

  6529. mkdir -p tests/api

  6530. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6531. 

  6532. print_config ARCH_   "$config_files" $ARCH_LIST

  6533. print_config HAVE_   "$config_files" $HAVE_LIST

  6534. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6535.                                      $CONFIG_EXTRA      \

  6536.                                      $ALL_COMPONENTS    \

  6537. 

  6538. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6539. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6540. 

  6541. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6542. cp_if_changed $TMPH config.h

  6543. touch .config

  6544. 

  6545. enabled yasm && cp_if_changed $TMPASM config.asm

  6546. 

  6547. cat > $TMPH <<EOF

  6548. /* Generated by ffconf */

  6549. #ifndef AVUTIL_AVCONFIG_H

  6550. #define AVUTIL_AVCONFIG_H

  6551. EOF

  6552. 

  6553. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6554. 

  6555. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6556. 

  6557. cp_if_changed $TMPH libavutil/avconfig.h

  6558. 

  6559. if test -n "$WARNINGS"; then

  6560.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6561.     enabled fatal_warnings && exit 1

  6562. fi

  6563. 

  6564. # build pkg-config files

  6565. 

  6566. lib_version(){

  6567.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6568. }

  6569. 

  6570. pkgconfig_generate(){

  6571.     name=$1

  6572.     shortname=${name#lib}${build_suffix}

  6573.     comment=$2

  6574.     version=$3

  6575.     libs=$4

  6576.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6577.     requires=${requires%, }

  6578.     enabled ${name#lib} || return 0

  6579.     mkdir -p $name

  6580.     cat <<EOF > $name/$name${build_suffix}.pc

  6581. prefix=$prefix

  6582. exec_prefix=\${prefix}

  6583. libdir=$libdir

  6584. includedir=$incdir

  6585. 

  6586. Name: $name

  6587. Description: $comment

  6588. Version: $version

  6589. Requires: $(enabled shared || echo $requires)

  6590. Requires.private: $(enabled shared && echo $requires)

  6591. Conflicts:

  6592. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6593. Libs.private: $(enabled shared && echo $libs)

  6594. Cflags: -I\${includedir}

  6595. EOF

  6596. 

  6597. mkdir -p doc/examples/pc-uninstalled

  6598. includedir=${source_path}

  6599. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6600.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6601. prefix=

  6602. exec_prefix=

  6603. libdir=\${pcfiledir}/../../../$name

  6604. includedir=${includedir}

  6605. 

  6606. Name: $name

  6607. Description: $comment

  6608. Version: $version

  6609. Requires: $requires

  6610. Conflicts:

  6611. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6612. Cflags: -I\${includedir}

  6613. EOF

  6614. }

  6615. 

  6616. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6617. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6618. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6619. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6620. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6621. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6622. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6623. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6624. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"