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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-libnpp          enable NVIDIA Performance Primitives-based code [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  262.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  278.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

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

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

  285.   --enable-opencl          enable OpenCL code

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

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

  288.                            if gnutls is not used [no]

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

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

  291.   --disable-sdl            disable sdl [autodetect]

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

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

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

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

  296.   --disable-xlib           disable xlib [autodetect]

  297.   --disable-zlib           disable zlib [autodetect]

  298. 

  299. Toolchain options:

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

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

  302.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  350. 

  351. Advanced options (experts only):

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

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

  354.   --disable-symver         disable symbol versioning

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

  356.   --disable-safe-bitstream-reader

  357.                            disable buffer boundary checking in bitreaders

  358.                            (faster, but may crash)

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

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

  361. 

  362. Optimization options (experts only):

  363.   --disable-asm            disable all assembly optimizations

  364.   --disable-altivec        disable AltiVec optimizations

  365.   --disable-vsx            disable VSX optimizations

  366.   --disable-power8         disable POWER8 optimizations

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

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

  369.   --disable-mmx            disable MMX optimizations

  370.   --disable-mmxext         disable MMXEXT optimizations

  371.   --disable-sse            disable SSE optimizations

  372.   --disable-sse2           disable SSE2 optimizations

  373.   --disable-sse3           disable SSE3 optimizations

  374.   --disable-ssse3          disable SSSE3 optimizations

  375.   --disable-sse4           disable SSE4 optimizations

  376.   --disable-sse42          disable SSE4.2 optimizations

  377.   --disable-avx            disable AVX optimizations

  378.   --disable-xop            disable XOP optimizations

  379.   --disable-fma3           disable FMA3 optimizations

  380.   --disable-fma4           disable FMA4 optimizations

  381.   --disable-avx2           disable AVX2 optimizations

  382.   --disable-aesni          disable AESNI optimizations

  383.   --disable-armv5te        disable armv5te optimizations

  384.   --disable-armv6          disable armv6 optimizations

  385.   --disable-armv6t2        disable armv6t2 optimizations

  386.   --disable-vfp            disable VFP optimizations

  387.   --disable-neon           disable NEON optimizations

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

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

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

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

  392.   --disable-msa            disable MSA optimizations

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

  394.   --disable-mmi            disable Loongson SIMD optimizations

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

  396. 

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

  398.   --disable-debug          disable debugging symbols

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

  400.   --disable-optimizations  disable compiler optimizations

  401.   --enable-extra-warnings  enable more compiler warnings

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

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

  404.                            2 causes a slowdown at runtime.

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

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

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

  408.                            Cannot be combined with --target-exec

  409.   --enable-ftrapv          Trap arithmetic overflows

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

  411.                            \$FATE_SAMPLES at make invocation time.

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

  413.                            used only for debugging purposes)

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

  415.                            should be used only for debugging purposes)

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

  417.   --disable-random

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

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

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

  421.                            (group) and PROB the probability associated with

  422.                            NAME (default 0.5).

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

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

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

  426. 

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

  428. EOF

  429.   exit 0

  430. }

  431. 

  432. quotes='""'

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

  434.     ncolors=$(tput colors)

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

  436.         bold_color=$(tput bold)

  437.         warn_color=$(tput setaf 3)

  438.         error_color=$(tput setaf 1)

  439.         reset_color=$(tput sgr0)

  440.     fi

  441.     # 72 used instead of 80 since that's the default of pr

  442.     ncols=$(tput cols)

  443. fi

  444. : ${ncols:=72}

  445. 

  446. log(){

  447.     echo "$@" >> $logfile

  448. }

  449. 

  450. log_file(){

  451.     log BEGIN $1

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

  453.     log END $1

  454. }

  455. 

  456. warn(){

  457.     log "WARNING: $*"

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

  459. }

  460. 

  461. die(){

  462.     log "$@"

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

  464.     cat <<EOF

  465. 

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

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

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

  469. EOF

  470.     if disabled logging; then

  471.         cat <<EOF

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

  473. include the log this produces with your report.

  474. EOF

  475.     else

  476.         cat <<EOF

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

  478. solve the problem.

  479. EOF

  480.     fi

  481.     exit 1

  482. }

  483. 

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

  485. toupper(){

  486.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  487. }

  488. 

  489. tolower(){

  490.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  491. }

  492. 

  493. c_escape(){

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

  495. }

  496. 

  497. sh_quote(){

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

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

  500.     echo "$v"

  501. }

  502. 

  503. cleanws(){

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

  505. }

  506. 

  507. filter(){

  508.     pat=$1

  509.     shift

  510.     for v; do

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

  512.     done

  513. }

  514. 

  515. filter_out(){

  516.     pat=$1

  517.     shift

  518.     for v; do

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

  520.     done

  521. }

  522. 

  523. map(){

  524.     m=$1

  525.     shift

  526.     for v; do eval $m; done

  527. }

  528. 

  529. add_suffix(){

  530.     suffix=$1

  531.     shift

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

  533. }

  534. 

  535. set_all(){

  536.     value=$1

  537.     shift

  538.     for var in $*; do

  539.         eval $var=$value

  540.     done

  541. }

  542. 

  543. set_weak(){

  544.     value=$1

  545.     shift

  546.     for var; do

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

  548.     done

  549. }

  550. 

  551. sanitize_var_name(){

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

  553. }

  554. 

  555. set_safe(){

  556.     var=$1

  557.     shift

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

  559. }

  560. 

  561. get_safe(){

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

  563. }

  564. 

  565. pushvar(){

  566.     for pvar in $*; do

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

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

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

  570.     done

  571. }

  572. 

  573. popvar(){

  574.     for pvar in $*; do

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

  576.         test $level = 0 && continue

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

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

  579.         eval ${pvar}_level=$level

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

  581.     done

  582. }

  583. 

  584. enable(){

  585.     set_all yes $*

  586. }

  587. 

  588. disable(){

  589.     set_all no $*

  590. }

  591. 

  592. enable_weak(){

  593.     set_weak yes $*

  594. }

  595. 

  596. disable_weak(){

  597.     set_weak no $*

  598. }

  599. 

  600. enable_safe(){

  601.     for var; do

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

  603.     done

  604. }

  605. 

  606. disable_safe(){

  607.     for var; do

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

  609.     done

  610. }

  611. 

  612. do_enable_deep(){

  613.     for var; do

  614.         enabled $var && continue

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

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

  617.         pushvar var sgs

  618.         enable_deep $sel

  619.         popvar sgs

  620.         enable_deep_weak $sgs

  621.         popvar var

  622.     done

  623. }

  624. 

  625. enable_deep(){

  626.     do_enable_deep $*

  627.     enable $*

  628. }

  629. 

  630. enable_deep_weak(){

  631.     for var; do

  632.         disabled $var && continue

  633.         pushvar var

  634.         do_enable_deep $var

  635.         popvar var

  636.         enable_weak $var

  637.     done

  638. }

  639. 

  640. enabled(){

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

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

  643. }

  644. 

  645. disabled(){

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

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

  648. }

  649. 

  650. enabled_all(){

  651.     for opt; do

  652.         enabled $opt || return 1

  653.     done

  654. }

  655. 

  656. disabled_all(){

  657.     for opt; do

  658.         disabled $opt || return 1

  659.     done

  660. }

  661. 

  662. enabled_any(){

  663.     for opt; do

  664.         enabled $opt && return 0

  665.     done

  666. }

  667. 

  668. disabled_any(){

  669.     for opt; do

  670.         disabled $opt && return 0

  671.     done

  672.     return 1

  673. }

  674. 

  675. set_default(){

  676.     for opt; do

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

  678.     done

  679. }

  680. 

  681. is_in(){

  682.     value=$1

  683.     shift

  684.     for var in $*; do

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

  686.     done

  687.     return 1

  688. }

  689. 

  690. do_check_deps(){

  691.     for cfg; do

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

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

  694.         disabled ${cfg}_checking && continue

  695.         enable ${cfg}_checking

  696.         append allopts $cfg

  697. 

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

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

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

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

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

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

  704. 

  705.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  707.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  708. 

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

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

  711.         enabled_all  $dep_all || disable $cfg

  712.         enabled_any  $dep_any || disable $cfg

  713.         disabled_any $dep_sel && disable $cfg

  714. 

  715.         if enabled $cfg; then

  716.             enable_deep $dep_sel

  717.             enable_deep_weak $dep_sgs

  718.         fi

  719. 

  720.         disable ${cfg}_checking

  721.     done

  722. }

  723. 

  724. check_deps(){

  725.     unset allopts

  726. 

  727.     do_check_deps "$@"

  728. 

  729.     for cfg in $allopts; do

  730.         enabled $cfg || continue

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

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

  733.     done

  734. }

  735. 

  736. print_config(){

  737.     pfx=$1

  738.     files=$2

  739.     shift 2

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

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

  742.         {

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

  744.             v = \$2;

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

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

  747.             for (f in files) {

  748.                 file = files[f];

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

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

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

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

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

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

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

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

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

  758.                     yesno = \$2;

  759.                     c2 = tolower(c);

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

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

  762.                 }

  763.             }

  764.         }"

  765. }

  766. 

  767. print_enabled(){

  768.     suf=$1

  769.     shift

  770.     for v; do

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

  772.     done

  773. }

  774. 

  775. append(){

  776.     var=$1

  777.     shift

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

  779. }

  780. 

  781. prepend(){

  782.     var=$1

  783.     shift

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

  785. }

  786. 

  787. unique(){

  788.     var=$1

  789.     uniq_list=""

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

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

  792.     done

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

  794. }

  795. 

  796. add_cppflags(){

  797.     append CPPFLAGS "$@"

  798. }

  799. 

  800. add_cflags(){

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

  802. }

  803. 

  804. add_cxxflags(){

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

  806. }

  807. 

  808. add_asflags(){

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

  810. }

  811. 

  812. add_objcflags(){

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

  814. }

  815. 

  816. add_ldflags(){

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

  818. }

  819. 

  820. add_ldexeflags(){

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

  822. }

  823. 

  824. add_ldlibflags(){

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

  826. }

  827. 

  828. add_stripflags(){

  829.     append ASMSTRIPFLAGS "$@"

  830. }

  831. 

  832. add_extralibs(){

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

  834. }

  835. 

  836. add_host_cppflags(){

  837.     append host_cppflags "$@"

  838. }

  839. 

  840. add_host_cflags(){

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

  842. }

  843. 

  844. add_host_ldflags(){

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

  846. }

  847. 

  848. add_compat(){

  849.     append compat_objs $1

  850.     shift

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

  852. }

  853. 

  854. check_cmd(){

  855.     log "$@"

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

  857. }

  858. 

  859. check_stat(){

  860.     log check_stat "$@"

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

  862. }

  863. 

  864. cc_o(){

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

  866. }

  867. 

  868. cc_e(){

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

  870. }

  871. 

  872. check_cc(){

  873.     log check_cc "$@"

  874.     cat > $TMPC

  875.     log_file $TMPC

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

  877. }

  878. 

  879. check_cxx(){

  880.     log check_cxx "$@"

  881.     cat > $TMPCPP

  882.     log_file $TMPCPP

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

  884. }

  885. 

  886. check_objcc(){

  887.     log check_objcc "$@"

  888.     cat > $TMPM

  889.     log_file $TMPM

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

  891. }

  892. 

  893. check_cpp(){

  894.     log check_cpp "$@"

  895.     cat > $TMPC

  896.     log_file $TMPC

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

  898. }

  899. 

  900. as_o(){

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

  902. }

  903. 

  904. check_as(){

  905.     log check_as "$@"

  906.     cat > $TMPS

  907.     log_file $TMPS

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

  909. }

  910. 

  911. check_inline_asm(){

  912.     log check_inline_asm "$@"

  913.     name="$1"

  914.     code="$2"

  915.     shift 2

  916.     disable $name

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

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

  919. EOF

  920. }

  921. 

  922. check_inline_asm_flags(){

  923.     log check_inline_asm_flags "$@"

  924.     name="$1"

  925.     code="$2"

  926.     flags=''

  927.     shift 2

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

  929.       append flags $1

  930.       shift

  931.     done;

  932.     disable $name

  933.     cat > $TMPC <<EOF

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

  935. EOF

  936.     log_file $TMPC

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

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

  939. }

  940. 

  941. check_insn(){

  942.     log check_insn "$@"

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

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

  945. }

  946. 

  947. check_yasm(){

  948.     log check_yasm "$@"

  949.     echo "$1" > $TMPS

  950.     log_file $TMPS

  951.     shift 1

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

  953. }

  954. 

  955. ld_o(){

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

  957. }

  958. 

  959. check_ld(){

  960.     log check_ld "$@"

  961.     type=$1

  962.     shift 1

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

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

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

  966.     flags=$($ldflags_filter $flags)

  967.     libs=$($ldflags_filter $libs)

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

  969. }

  970. 

  971. print_include(){

  972.     hdr=$1

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

  974.         echo "#include $hdr"    ||

  975.         echo "#include <$hdr>"

  976. }

  977. 

  978. check_code(){

  979.     log check_code "$@"

  980.     check=$1

  981.     headers=$2

  982.     code=$3

  983.     shift 3

  984.     {

  985.         for hdr in $headers; do

  986.             print_include $hdr

  987.         done

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

  989.     } | check_$check "$@"

  990. }

  991. 

  992. check_cppflags(){

  993.     log check_cppflags "$@"

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

  995. int x;

  996. EOF

  997. }

  998. 

  999. test_cflags(){

  1000.     log test_cflags "$@"

  1001.     set -- $($cflags_filter "$@")

  1002.     check_cc "$@" <<EOF

  1003. int x;

  1004. EOF

  1005. }

  1006. 

  1007. check_cflags(){

  1008.     log check_cflags "$@"

  1009.     test_cflags "$@" && add_cflags "$@"

  1010. }

  1011. 

  1012. check_cxxflags(){

  1013.     log check_cxxflags "$@"

  1014.     set -- $($cflags_filter "$@")

  1015.     check_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1016. int x;

  1017. EOF

  1018. }

  1019. 

  1020. test_objcflags(){

  1021.     log test_cflags "$@"

  1022.     set -- $($cflags_filter "$@")

  1023.     check_objcc "$@" <<EOF

  1024. int x;

  1025. EOF

  1026. }

  1027. 

  1028. check_objcflags(){

  1029.     log check_cflags "$@"

  1030.     test_objcflags "$@" && add_objcflags "$@"

  1031. }

  1032. 

  1033. test_ldflags(){

  1034.     log test_ldflags "$@"

  1035.     check_ld "cc" "$@" <<EOF

  1036. int main(void){ return 0; }

  1037. EOF

  1038. }

  1039. 

  1040. check_ldflags(){

  1041.     log check_ldflags "$@"

  1042.     test_ldflags "$@" && add_ldflags "$@"

  1043. }

  1044. 

  1045. test_stripflags(){

  1046.     log test_stripflags "$@"

  1047.     # call check_cc to get a fresh TMPO

  1048.     check_cc <<EOF

  1049. int main(void) { return 0; }

  1050. EOF

  1051.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1052. }

  1053. 

  1054. check_stripflags(){

  1055.     log check_stripflags "$@"

  1056.     test_stripflags "$@" && add_stripflags "$@"

  1057. }

  1058. 

  1059. check_header(){

  1060.     log check_header "$@"

  1061.     header=$1

  1062.     shift

  1063.     disable_safe $header

  1064.     check_cpp "$@" <<EOF && enable_safe $header

  1065. #include <$header>

  1066. int x;

  1067. EOF

  1068. }

  1069. 

  1070. check_header_objcc(){

  1071.     log check_header_objcc "$@"

  1072.     rm -f -- "$TMPO"

  1073.     header=$1

  1074.     shift

  1075.     disable_safe $header

  1076.     {

  1077.        echo "#include <$header>"

  1078.        echo "int main(void) { return 0; }"

  1079.     } | check_objcc && check_stat "$TMPO" && enable_safe $headers

  1080. }

  1081. 

  1082. check_func(){

  1083.     log check_func "$@"

  1084.     func=$1

  1085.     shift

  1086.     disable $func

  1087.     check_ld "cc" "$@" <<EOF && enable $func

  1088. extern int $func();

  1089. int main(void){ $func(); }

  1090. EOF

  1091. }

  1092. 

  1093. check_complexfunc(){

  1094.     log check_complexfunc "$@"

  1095.     func=$1

  1096.     narg=$2

  1097.     shift 2

  1098.     test $narg = 2 && args="f, g" || args="f * I"

  1099.     disable $func

  1100.     check_ld "cc" "$@" <<EOF && enable $func

  1101. #include <complex.h>

  1102. #include <math.h>

  1103. float foo(complex float f, complex float g) { return $func($args); }

  1104. int main(void){ return (int) foo; }

  1105. EOF

  1106. }

  1107. 

  1108. check_mathfunc(){

  1109.     log check_mathfunc "$@"

  1110.     func=$1

  1111.     narg=$2

  1112.     shift 2

  1113.     test $narg = 2 && args="f, g" || args="f"

  1114.     disable $func

  1115.     check_ld "cc" "$@" <<EOF && enable $func

  1116. #include <math.h>

  1117. float foo(float f, float g) { return $func($args); }

  1118. int main(void){ return (int) foo; }

  1119. EOF

  1120. }

  1121. 

  1122. check_func_headers(){

  1123.     log check_func_headers "$@"

  1124.     headers=$1

  1125.     funcs=$2

  1126.     shift 2

  1127.     {

  1128.         for hdr in $headers; do

  1129.             print_include $hdr

  1130.         done

  1131.         for func in $funcs; do

  1132.             echo "long check_$func(void) { return (long) $func; }"

  1133.         done

  1134.         echo "int main(void) { return 0; }"

  1135.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1136. }

  1137. 

  1138. check_class_headers_cpp(){

  1139.     log check_class_headers_cpp "$@"

  1140.     headers=$1

  1141.     classes=$2

  1142.     shift 2

  1143.     {

  1144.         for hdr in $headers; do

  1145.             echo "#include <$hdr>"

  1146.         done

  1147.         echo "int main(void) { "

  1148.         i=1

  1149.         for class in $classes; do

  1150.             echo "$class obj$i;"

  1151.             i=$(expr $i + 1)

  1152.         done

  1153.         echo "return 0; }"

  1154.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1155. }

  1156. 

  1157. check_cpp_condition(){

  1158.     log check_cpp_condition "$@"

  1159.     header=$1

  1160.     condition=$2

  1161.     shift 2

  1162.     check_cpp "$@" <<EOF

  1163. #include <$header>

  1164. #if !($condition)

  1165. #error "unsatisfied condition: $condition"

  1166. #endif

  1167. EOF

  1168. }

  1169. 

  1170. check_lib(){

  1171.     log check_lib "$@"

  1172.     header="$1"

  1173.     func="$2"

  1174.     shift 2

  1175.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1176. }

  1177. 

  1178. check_lib2(){

  1179.     log check_lib2 "$@"

  1180.     headers="$1"

  1181.     funcs="$2"

  1182.     shift 2

  1183.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1184. }

  1185. 

  1186. check_lib_cpp(){

  1187.     log check_lib_cpp "$@"

  1188.     headers="$1"

  1189.     classes="$2"

  1190.     shift 2

  1191.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1192. }

  1193. 

  1194. check_pkg_config(){

  1195.     log check_pkg_config "$@"

  1196.     pkgandversion="$1"

  1197.     pkg="${1%% *}"

  1198.     headers="$2"

  1199.     funcs="$3"

  1200.     shift 3

  1201.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1202.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1203.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1204.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1205.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1206.         set_safe "${pkg}_libs"   $pkg_libs

  1207. }

  1208. 

  1209. check_exec(){

  1210.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1211. }

  1212. 

  1213. check_exec_crash(){

  1214.     code=$(cat)

  1215. 

  1216.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1217.     # are safe but may not be available everywhere.  Thus we use

  1218.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1219.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1220.     # is not defined by standard C so it is used conditionally.

  1221. 

  1222.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1223. #include <signal.h>

  1224. static void sighandler(int sig){

  1225.     raise(SIGTERM);

  1226. }

  1227. int foo(void){

  1228.     $code

  1229. }

  1230. int (*func_ptr)(void) = foo;

  1231. int main(void){

  1232.     signal(SIGILL, sighandler);

  1233.     signal(SIGFPE, sighandler);

  1234.     signal(SIGSEGV, sighandler);

  1235. #ifdef SIGBUS

  1236.     signal(SIGBUS, sighandler);

  1237. #endif

  1238.     return func_ptr();

  1239. }

  1240. EOF

  1241. }

  1242. 

  1243. check_type(){

  1244.     log check_type "$@"

  1245.     headers=$1

  1246.     type=$2

  1247.     shift 2

  1248.     disable_safe "$type"

  1249.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1250. }

  1251. 

  1252. check_struct(){

  1253.     log check_struct "$@"

  1254.     headers=$1

  1255.     struct=$2

  1256.     member=$3

  1257.     shift 3

  1258.     disable_safe "${struct}_${member}"

  1259.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1260.         enable_safe "${struct}_${member}"

  1261. }

  1262. 

  1263. check_builtin(){

  1264.     log check_builtin "$@"

  1265.     name=$1

  1266.     headers=$2

  1267.     builtin=$3

  1268.     shift 3

  1269.     disable "$name"

  1270.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1271. }

  1272. 

  1273. check_compile_assert(){

  1274.     log check_compile_assert "$@"

  1275.     name=$1

  1276.     headers=$2

  1277.     condition=$3

  1278.     shift 3

  1279.     disable "$name"

  1280.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1281. }

  1282. 

  1283. require(){

  1284.     name="$1"

  1285.     header="$2"

  1286.     func="$3"

  1287.     shift 3

  1288.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1289. }

  1290. 

  1291. require2(){

  1292.     name="$1"

  1293.     headers="$2"

  1294.     func="$3"

  1295.     shift 3

  1296.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1297. }

  1298. 

  1299. require_cpp(){

  1300.     name="$1"

  1301.     headers="$2"

  1302.     classes="$3"

  1303.     shift 3

  1304.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1305. }

  1306. 

  1307. use_pkg_config(){

  1308.     pkg="$1"

  1309.     check_pkg_config "$@" || return 1

  1310.     add_cflags    $(get_safe "${pkg}_cflags")

  1311.     add_extralibs $(get_safe "${pkg}_libs")

  1312. }

  1313. 

  1314. require_pkg_config(){

  1315.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1316. }

  1317. 

  1318. require_libfreetype(){

  1319.     log require_libfreetype "$@"

  1320.     pkg="freetype2"

  1321.     check_cmd $pkg_config --exists --print-errors $pkg \

  1322.       || die "ERROR: $pkg not found"

  1323.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1324.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1325.     {

  1326.         echo "#include <ft2build.h>"

  1327.         echo "#include FT_FREETYPE_H"

  1328.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1329.         echo "int main(void) { return 0; }"

  1330.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1331.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1332.       && set_safe "${pkg}_libs"   $pkg_libs \

  1333.       || die "ERROR: $pkg not found"

  1334.     add_cflags    $(get_safe "${pkg}_cflags")

  1335.     add_extralibs $(get_safe "${pkg}_libs")

  1336. }

  1337. 

  1338. hostcc_e(){

  1339.     eval printf '%s\\n' $HOSTCC_E

  1340. }

  1341. 

  1342. hostcc_o(){

  1343.     eval printf '%s\\n' $HOSTCC_O

  1344. }

  1345. 

  1346. check_host_cc(){

  1347.     log check_host_cc "$@"

  1348.     cat > $TMPC

  1349.     log_file $TMPC

  1350.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1351. }

  1352. 

  1353. check_host_cpp(){

  1354.     log check_host_cpp "$@"

  1355.     cat > $TMPC

  1356.     log_file $TMPC

  1357.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1358. }

  1359. 

  1360. check_host_cppflags(){

  1361.     log check_host_cppflags "$@"

  1362.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1363. int x;

  1364. EOF

  1365. }

  1366. 

  1367. check_host_cflags(){

  1368.     log check_host_cflags "$@"

  1369.     set -- $($host_cflags_filter "$@")

  1370.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1371. int x;

  1372. EOF

  1373. }

  1374. 

  1375. check_host_cpp_condition(){

  1376.     log check_host_cpp_condition "$@"

  1377.     header=$1

  1378.     condition=$2

  1379.     shift 2

  1380.     check_host_cpp "$@" <<EOF

  1381. #include <$header>

  1382. #if !($condition)

  1383. #error "unsatisfied condition: $condition"

  1384. #endif

  1385. EOF

  1386. }

  1387. 

  1388. cp_if_changed(){

  1389.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1390.     mkdir -p "$(dirname $2)"

  1391.     $cp_f "$1" "$2"

  1392. }

  1393. 

  1394. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1395. # system-dependent things.

  1396. 

  1397. AVCODEC_COMPONENTS="

  1398.     bsfs

  1399.     decoders

  1400.     encoders

  1401.     hwaccels

  1402.     parsers

  1403. "

  1404. 

  1405. AVDEVICE_COMPONENTS="

  1406.     indevs

  1407.     outdevs

  1408. "

  1409. AVFILTER_COMPONENTS="

  1410.     filters

  1411. "

  1412. AVFORMAT_COMPONENTS="

  1413.     demuxers

  1414.     muxers

  1415.     protocols

  1416. "

  1417. 

  1418. AVRESAMPLE_COMPONENTS=""

  1419. AVUTIL_COMPONENTS=""

  1420. 

  1421. COMPONENT_LIST="

  1422.     $AVCODEC_COMPONENTS

  1423.     $AVDEVICE_COMPONENTS

  1424.     $AVFILTER_COMPONENTS

  1425.     $AVFORMAT_COMPONENTS

  1426.     $AVRESAMPLE_COMPONENTS

  1427.     $AVUTIL_COMPONENTS

  1428. "

  1429. 

  1430. EXAMPLE_LIST="

  1431.     avio_reading_example

  1432.     avio_dir_cmd_example

  1433.     decoding_encoding_example

  1434.     demuxing_decoding_example

  1435.     extract_mvs_example

  1436.     filter_audio_example

  1437.     filtering_audio_example

  1438.     filtering_video_example

  1439.     metadata_example

  1440.     muxing_example

  1441.     qsvdec_example

  1442.     remuxing_example

  1443.     resampling_audio_example

  1444.     scaling_video_example

  1445.     transcode_aac_example

  1446.     transcoding_example

  1447. "

  1448. 

  1449. EXTERNAL_LIBRARY_LIST="

  1450.     audiotoolbox

  1451.     avisynth

  1452.     bzlib

  1453.     chromaprint

  1454.     crystalhd

  1455.     cuda

  1456.     decklink

  1457.     frei0r

  1458.     gcrypt

  1459.     gmp

  1460.     gnutls

  1461.     iconv

  1462.     jni

  1463.     ladspa

  1464.     libass

  1465.     libbluray

  1466.     libbs2b

  1467.     libcaca

  1468.     libcdio

  1469.     libcelt

  1470.     libdc1394

  1471.     libfaac

  1472.     libfdk_aac

  1473.     libflite

  1474.     libfontconfig

  1475.     libfreetype

  1476.     libfribidi

  1477.     libgme

  1478.     libgsm

  1479.     libiec61883

  1480.     libilbc

  1481.     libkvazaar

  1482.     libmfx

  1483.     libmodplug

  1484.     libmp3lame

  1485.     libnut

  1486.     libnpp

  1487.     libopencore_amrnb

  1488.     libopencore_amrwb

  1489.     libopencv

  1490.     libopenh264

  1491.     libopenjpeg

  1492.     libopus

  1493.     libpulse

  1494.     librtmp

  1495.     librubberband

  1496.     libschroedinger

  1497.     libshine

  1498.     libsmbclient

  1499.     libsnappy

  1500.     libsoxr

  1501.     libspeex

  1502.     libssh

  1503.     libtesseract

  1504.     libtheora

  1505.     libtwolame

  1506.     libutvideo

  1507.     libv4l2

  1508.     libvidstab

  1509.     libvo_amrwbenc

  1510.     libvorbis

  1511.     libvpx

  1512.     libwavpack

  1513.     libwebp

  1514.     libx264

  1515.     libx265

  1516.     libxavs

  1517.     libxcb

  1518.     libxcb_shm

  1519.     libxcb_shape

  1520.     libxcb_xfixes

  1521.     libxvid

  1522.     libzimg

  1523.     libzmq

  1524.     libzvbi

  1525.     lzma

  1526.     mediacodec

  1527.     mmal

  1528.     netcdf

  1529.     nvenc

  1530.     openal

  1531.     opencl

  1532.     opengl

  1533.     openssl

  1534.     schannel

  1535.     sdl

  1536.     securetransport

  1537.     videotoolbox

  1538.     x11grab

  1539.     xlib

  1540.     zlib

  1541. "

  1542. 

  1543. DOCUMENT_LIST="

  1544.     doc

  1545.     htmlpages

  1546.     manpages

  1547.     podpages

  1548.     txtpages

  1549. "

  1550. 

  1551. FEATURE_LIST="

  1552.     ftrapv

  1553.     gray

  1554.     hardcoded_tables

  1555.     runtime_cpudetect

  1556.     safe_bitstream_reader

  1557.     shared

  1558.     small

  1559.     static

  1560.     swscale_alpha

  1561. "

  1562. 

  1563. HWACCEL_LIST="

  1564.     d3d11va

  1565.     dxva2

  1566.     vaapi

  1567.     vda

  1568.     vdpau

  1569.     videotoolbox_hwaccel

  1570.     xvmc

  1571. "

  1572. 

  1573. LIBRARY_LIST="

  1574.     avcodec

  1575.     avdevice

  1576.     avfilter

  1577.     avformat

  1578.     avresample

  1579.     avutil

  1580.     postproc

  1581.     swresample

  1582.     swscale

  1583. "

  1584. 

  1585. LICENSE_LIST="

  1586.     gpl

  1587.     nonfree

  1588.     version3

  1589. "

  1590. 

  1591. PROGRAM_LIST="

  1592.     ffplay

  1593.     ffprobe

  1594.     ffserver

  1595.     ffmpeg

  1596. "

  1597. 

  1598. SUBSYSTEM_LIST="

  1599.     dct

  1600.     dwt

  1601.     error_resilience

  1602.     faan

  1603.     fast_unaligned

  1604.     fft

  1605.     lsp

  1606.     lzo

  1607.     mdct

  1608.     pixelutils

  1609.     network

  1610.     rdft

  1611. "

  1612. 

  1613. CONFIG_LIST="

  1614.     $COMPONENT_LIST

  1615.     $DOCUMENT_LIST

  1616.     $EXAMPLE_LIST

  1617.     $EXTERNAL_LIBRARY_LIST

  1618.     $FEATURE_LIST

  1619.     $HWACCEL_LIST

  1620.     $LICENSE_LIST

  1621.     $LIBRARY_LIST

  1622.     $PROGRAM_LIST

  1623.     $SUBSYSTEM_LIST

  1624.     fontconfig

  1625.     incompatible_libav_abi

  1626.     memalign_hack

  1627.     memory_poisoning

  1628.     neon_clobber_test

  1629.     pic

  1630.     pod2man

  1631.     raise_major

  1632.     thumb

  1633.     valgrind_backtrace

  1634.     xmm_clobber_test

  1635. "

  1636. 

  1637. THREADS_LIST="

  1638.     pthreads

  1639.     os2threads

  1640.     w32threads

  1641. "

  1642. 

  1643. ATOMICS_LIST="

  1644.     atomics_gcc

  1645.     atomics_suncc

  1646.     atomics_win32

  1647. "

  1648. 

  1649. ARCH_LIST="

  1650.     aarch64

  1651.     alpha

  1652.     arm

  1653.     avr32

  1654.     avr32_ap

  1655.     avr32_uc

  1656.     bfin

  1657.     ia64

  1658.     m68k

  1659.     mips

  1660.     mips64

  1661.     parisc

  1662.     ppc

  1663.     ppc64

  1664.     s390

  1665.     sh4

  1666.     sparc

  1667.     sparc64

  1668.     tilegx

  1669.     tilepro

  1670.     tomi

  1671.     x86

  1672.     x86_32

  1673.     x86_64

  1674. "

  1675. 

  1676. ARCH_EXT_LIST_ARM="

  1677.     armv5te

  1678.     armv6

  1679.     armv6t2

  1680.     armv8

  1681.     neon

  1682.     vfp

  1683.     vfpv3

  1684.     setend

  1685. "

  1686. 

  1687. ARCH_EXT_LIST_MIPS="

  1688.     mipsfpu

  1689.     mips32r2

  1690.     mips32r5

  1691.     mips64r2

  1692.     mips32r6

  1693.     mips64r6

  1694.     mipsdsp

  1695.     mipsdspr2

  1696.     msa

  1697. "

  1698. 

  1699. ARCH_EXT_LIST_LOONGSON="

  1700.     loongson2

  1701.     loongson3

  1702.     mmi

  1703. "

  1704. 

  1705. ARCH_EXT_LIST_X86_SIMD="

  1706.     aesni

  1707.     amd3dnow

  1708.     amd3dnowext

  1709.     avx

  1710.     avx2

  1711.     fma3

  1712.     fma4

  1713.     mmx

  1714.     mmxext

  1715.     sse

  1716.     sse2

  1717.     sse3

  1718.     sse4

  1719.     sse42

  1720.     ssse3

  1721.     xop

  1722. "

  1723. 

  1724. ARCH_EXT_LIST_PPC="

  1725.     altivec

  1726.     dcbzl

  1727.     ldbrx

  1728.     power8

  1729.     ppc4xx

  1730.     vsx

  1731. "

  1732. 

  1733. ARCH_EXT_LIST_X86="

  1734.     $ARCH_EXT_LIST_X86_SIMD

  1735.     cpunop

  1736.     i686

  1737. "

  1738. 

  1739. ARCH_EXT_LIST="

  1740.     $ARCH_EXT_LIST_ARM

  1741.     $ARCH_EXT_LIST_PPC

  1742.     $ARCH_EXT_LIST_X86

  1743.     $ARCH_EXT_LIST_MIPS

  1744.     $ARCH_EXT_LIST_LOONGSON

  1745. "

  1746. 

  1747. ARCH_FEATURES="

  1748.     aligned_stack

  1749.     fast_64bit

  1750.     fast_clz

  1751.     fast_cmov

  1752.     local_aligned_8

  1753.     local_aligned_16

  1754.     local_aligned_32

  1755.     simd_align_16

  1756. "

  1757. 

  1758. BUILTIN_LIST="

  1759.     atomic_cas_ptr

  1760.     atomic_compare_exchange

  1761.     machine_rw_barrier

  1762.     MemoryBarrier

  1763.     mm_empty

  1764.     rdtsc

  1765.     sarestart

  1766.     sem_timedwait

  1767.     sync_val_compare_and_swap

  1768. "

  1769. HAVE_LIST_CMDLINE="

  1770.     inline_asm

  1771.     symver

  1772.     yasm

  1773. "

  1774. 

  1775. HAVE_LIST_PUB="

  1776.     bigendian

  1777.     fast_unaligned

  1778.     incompatible_libav_abi

  1779. "

  1780. 

  1781. HEADERS_LIST="

  1782.     alsa_asoundlib_h

  1783.     altivec_h

  1784.     arpa_inet_h

  1785.     asm_types_h

  1786.     cdio_paranoia_h

  1787.     cdio_paranoia_paranoia_h

  1788.     dispatch_dispatch_h

  1789.     dev_bktr_ioctl_bt848_h

  1790.     dev_bktr_ioctl_meteor_h

  1791.     dev_ic_bt8xx_h

  1792.     dev_video_bktr_ioctl_bt848_h

  1793.     dev_video_meteor_ioctl_meteor_h

  1794.     direct_h

  1795.     dirent_h

  1796.     dlfcn_h

  1797.     d3d11_h

  1798.     dxva_h

  1799.     ES2_gl_h

  1800.     gsm_h

  1801.     io_h

  1802.     mach_mach_time_h

  1803.     machine_ioctl_bt848_h

  1804.     machine_ioctl_meteor_h

  1805.     malloc_h

  1806.     opencv2_core_core_c_h

  1807.     openjpeg_2_1_openjpeg_h

  1808.     openjpeg_2_0_openjpeg_h

  1809.     openjpeg_1_5_openjpeg_h

  1810.     OpenGL_gl3_h

  1811.     poll_h

  1812.     sndio_h

  1813.     soundcard_h

  1814.     sys_mman_h

  1815.     sys_param_h

  1816.     sys_resource_h

  1817.     sys_select_h

  1818.     sys_soundcard_h

  1819.     sys_time_h

  1820.     sys_un_h

  1821.     sys_videoio_h

  1822.     termios_h

  1823.     udplite_h

  1824.     unistd_h

  1825.     valgrind_valgrind_h

  1826.     windows_h

  1827.     winsock2_h

  1828. "

  1829. 

  1830. INTRINSICS_LIST="

  1831.     intrinsics_neon

  1832. "

  1833. 

  1834. COMPLEX_FUNCS="

  1835.     cabs

  1836.     cexp

  1837. "

  1838. 

  1839. MATH_FUNCS="

  1840.     atanf

  1841.     atan2f

  1842.     cbrt

  1843.     cbrtf

  1844.     copysign

  1845.     cosf

  1846.     erf

  1847.     exp2

  1848.     exp2f

  1849.     expf

  1850.     hypot

  1851.     isfinite

  1852.     isinf

  1853.     isnan

  1854.     ldexpf

  1855.     llrint

  1856.     llrintf

  1857.     log2

  1858.     log2f

  1859.     log10f

  1860.     lrint

  1861.     lrintf

  1862.     powf

  1863.     rint

  1864.     round

  1865.     roundf

  1866.     sinf

  1867.     trunc

  1868.     truncf

  1869. "

  1870. 

  1871. SYSTEM_FUNCS="

  1872.     access

  1873.     aligned_malloc

  1874.     arc4random

  1875.     clock_gettime

  1876.     closesocket

  1877.     CommandLineToArgvW

  1878.     CoTaskMemFree

  1879.     CryptGenRandom

  1880.     dlopen

  1881.     fcntl

  1882.     flt_lim

  1883.     fork

  1884.     getaddrinfo

  1885.     gethrtime

  1886.     getopt

  1887.     GetProcessAffinityMask

  1888.     GetProcessMemoryInfo

  1889.     GetProcessTimes

  1890.     getrusage

  1891.     GetSystemTimeAsFileTime

  1892.     gettimeofday

  1893.     glob

  1894.     glXGetProcAddress

  1895.     gmtime_r

  1896.     inet_aton

  1897.     isatty

  1898.     jack_port_get_latency_range

  1899.     kbhit

  1900.     localtime_r

  1901.     lstat

  1902.     lzo1x_999_compress

  1903.     mach_absolute_time

  1904.     MapViewOfFile

  1905.     memalign

  1906.     mkstemp

  1907.     mmap

  1908.     mprotect

  1909.     nanosleep

  1910.     PeekNamedPipe

  1911.     posix_memalign

  1912.     pthread_cancel

  1913.     sched_getaffinity

  1914.     SetConsoleTextAttribute

  1915.     SetConsoleCtrlHandler

  1916.     setmode

  1917.     setrlimit

  1918.     Sleep

  1919.     strerror_r

  1920.     sysconf

  1921.     sysctl

  1922.     usleep

  1923.     UTGetOSTypeFromString

  1924.     VirtualAlloc

  1925.     wglGetProcAddress

  1926. "

  1927. 

  1928. TOOLCHAIN_FEATURES="

  1929.     as_dn_directive

  1930.     as_func

  1931.     as_object_arch

  1932.     asm_mod_q

  1933.     attribute_may_alias

  1934.     attribute_packed

  1935.     ebp_available

  1936.     ebx_available

  1937.     gnu_as

  1938.     gnu_windres

  1939.     ibm_asm

  1940.     inline_asm_direct_symbol_refs

  1941.     inline_asm_labels

  1942.     inline_asm_nonlocal_labels

  1943.     pragma_deprecated

  1944.     rsync_contimeout

  1945.     symver_asm_label

  1946.     symver_gnu_asm

  1947.     vfp_args

  1948.     xform_asm

  1949.     xmm_clobbers

  1950. "

  1951. 

  1952. TYPES_LIST="

  1953.     CONDITION_VARIABLE_Ptr

  1954.     socklen_t

  1955.     struct_addrinfo

  1956.     struct_group_source_req

  1957.     struct_ip_mreq_source

  1958.     struct_ipv6_mreq

  1959.     struct_msghdr_msg_flags

  1960.     struct_pollfd

  1961.     struct_rusage_ru_maxrss

  1962.     struct_sctp_event_subscribe

  1963.     struct_sockaddr_in6

  1964.     struct_sockaddr_sa_len

  1965.     struct_sockaddr_storage

  1966.     struct_stat_st_mtim_tv_nsec

  1967.     struct_v4l2_frmivalenum_discrete

  1968. "

  1969. 

  1970. HAVE_LIST="

  1971.     $ARCH_EXT_LIST

  1972.     $(add_suffix _external $ARCH_EXT_LIST)

  1973.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1974.     $ARCH_FEATURES

  1975.     $ATOMICS_LIST

  1976.     $BUILTIN_LIST

  1977.     $COMPLEX_FUNCS

  1978.     $HAVE_LIST_CMDLINE

  1979.     $HAVE_LIST_PUB

  1980.     $HEADERS_LIST

  1981.     $INTRINSICS_LIST

  1982.     $MATH_FUNCS

  1983.     $SYSTEM_FUNCS

  1984.     $THREADS_LIST

  1985.     $TOOLCHAIN_FEATURES

  1986.     $TYPES_LIST

  1987.     atomics_native

  1988.     dos_paths

  1989.     dxva2_lib

  1990.     dxva2api_cobj

  1991.     libc_msvcrt

  1992.     libdc1394_1

  1993.     libdc1394_2

  1994.     makeinfo

  1995.     makeinfo_html

  1996.     perl

  1997.     pod2man

  1998.     sdl

  1999.     section_data_rel_ro

  2000.     texi2html

  2001.     threads

  2002.     vaapi_x11

  2003.     vdpau_x11

  2004.     winrt

  2005.     xlib

  2006. "

  2007. 

  2008. # options emitted with CONFIG_ prefix but not available on the command line

  2009. CONFIG_EXTRA="

  2010.     aandcttables

  2011.     ac3dsp

  2012.     audio_frame_queue

  2013.     audiodsp

  2014.     blockdsp

  2015.     bswapdsp

  2016.     cabac

  2017.     dirac_parse

  2018.     dvprofile

  2019.     exif

  2020.     faandct

  2021.     faanidct

  2022.     fdctdsp

  2023.     flacdsp

  2024.     fmtconvert

  2025.     frame_thread_encoder

  2026.     g722dsp

  2027.     golomb

  2028.     gplv3

  2029.     h263dsp

  2030.     h264chroma

  2031.     h264dsp

  2032.     h264pred

  2033.     h264qpel

  2034.     hpeldsp

  2035.     huffman

  2036.     huffyuvdsp

  2037.     huffyuvencdsp

  2038.     idctdsp

  2039.     iirfilter

  2040.     imdct15

  2041.     intrax8

  2042.     iso_media

  2043.     ividsp

  2044.     jpegtables

  2045.     lgplv3

  2046.     libx262

  2047.     llauddsp

  2048.     llviddsp

  2049.     lpc

  2050.     lzf

  2051.     me_cmp

  2052.     mpeg_er

  2053.     mpegaudio

  2054.     mpegaudiodsp

  2055.     mpegvideo

  2056.     mpegvideoenc

  2057.     mss34dsp

  2058.     pixblockdsp

  2059.     qpeldsp

  2060.     qsv

  2061.     qsvdec

  2062.     qsvenc

  2063.     rangecoder

  2064.     riffdec

  2065.     riffenc

  2066.     rtpdec

  2067.     rtpenc_chain

  2068.     rv34dsp

  2069.     sinewin

  2070.     snappy

  2071.     srtp

  2072.     startcode

  2073.     texturedsp

  2074.     texturedspenc

  2075.     tpeldsp

  2076.     vc1dsp

  2077.     videodsp

  2078.     vp3dsp

  2079.     vp56dsp

  2080.     vp8dsp

  2081.     wma_freqs

  2082.     wmv2dsp

  2083. "

  2084. 

  2085. CMDLINE_SELECT="

  2086.     $ARCH_EXT_LIST

  2087.     $CONFIG_LIST

  2088.     $HAVE_LIST_CMDLINE

  2089.     $THREADS_LIST

  2090.     asm

  2091.     cross_compile

  2092.     debug

  2093.     extra_warnings

  2094.     logging

  2095.     lto

  2096.     optimizations

  2097.     rpath

  2098.     stripping

  2099. "

  2100. 

  2101. PATHS_LIST="

  2102.     bindir

  2103.     datadir

  2104.     docdir

  2105.     incdir

  2106.     libdir

  2107.     mandir

  2108.     pkgconfigdir

  2109.     prefix

  2110.     shlibdir

  2111.     install_name_dir

  2112. "

  2113. 

  2114. CMDLINE_SET="

  2115.     $PATHS_LIST

  2116.     ar

  2117.     arch

  2118.     as

  2119.     assert_level

  2120.     build_suffix

  2121.     cc

  2122.     objcc

  2123.     cpu

  2124.     cross_prefix

  2125.     custom_allocator

  2126.     cxx

  2127.     dep_cc

  2128.     doxygen

  2129.     env

  2130.     extra_version

  2131.     gas

  2132.     host_cc

  2133.     host_cflags

  2134.     host_ld

  2135.     host_ldflags

  2136.     host_libs

  2137.     host_os

  2138.     install

  2139.     ld

  2140.     logfile

  2141.     malloc_prefix

  2142.     nm

  2143.     optflags

  2144.     pkg_config

  2145.     pkg_config_flags

  2146.     progs_suffix

  2147.     random_seed

  2148.     ranlib

  2149.     samples

  2150.     strip

  2151.     sws_max_filter_size

  2152.     sysinclude

  2153.     sysroot

  2154.     target_exec

  2155.     target_os

  2156.     target_path

  2157.     target_samples

  2158.     tempprefix

  2159.     toolchain

  2160.     valgrind

  2161.     yasmexe

  2162. "

  2163. 

  2164. CMDLINE_APPEND="

  2165.     extra_cflags

  2166.     extra_cxxflags

  2167.     extra_objcflags

  2168.     host_cppflags

  2169. "

  2170. 

  2171. # code dependency declarations

  2172. 

  2173. # architecture extensions

  2174. 

  2175. armv5te_deps="arm"

  2176. armv6_deps="arm"

  2177. armv6t2_deps="arm"

  2178. armv8_deps="aarch64"

  2179. neon_deps_any="aarch64 arm"

  2180. intrinsics_neon_deps="neon"

  2181. vfp_deps_any="aarch64 arm"

  2182. vfpv3_deps="vfp"

  2183. setend_deps="arm"

  2184. 

  2185. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2186. 

  2187. mipsfpu_deps="mips"

  2188. mipsdsp_deps="mips"

  2189. mipsdspr2_deps="mips"

  2190. mips32r2_deps="mips"

  2191. mips32r5_deps="mips"

  2192. mips32r6_deps="mips"

  2193. mips64r2_deps="mips"

  2194. mips64r6_deps="mips"

  2195. msa_deps="mipsfpu"

  2196. mmi_deps="mips"

  2197. 

  2198. altivec_deps="ppc"

  2199. dcbzl_deps="ppc"

  2200. ldbrx_deps="ppc"

  2201. ppc4xx_deps="ppc"

  2202. vsx_deps="altivec"

  2203. power8_deps="vsx"

  2204. 

  2205. cpunop_deps="i686"

  2206. x86_64_select="i686"

  2207. x86_64_suggest="fast_cmov"

  2208. 

  2209. amd3dnow_deps="mmx"

  2210. amd3dnowext_deps="amd3dnow"

  2211. i686_deps="x86"

  2212. mmx_deps="x86"

  2213. mmxext_deps="mmx"

  2214. sse_deps="mmxext"

  2215. sse2_deps="sse"

  2216. sse3_deps="sse2"

  2217. ssse3_deps="sse3"

  2218. sse4_deps="ssse3"

  2219. sse42_deps="sse4"

  2220. aesni_deps="sse42"

  2221. avx_deps="sse42"

  2222. xop_deps="avx"

  2223. fma3_deps="avx"

  2224. fma4_deps="avx"

  2225. avx2_deps="avx"

  2226. 

  2227. mmx_external_deps="yasm"

  2228. mmx_inline_deps="inline_asm"

  2229. mmx_suggest="mmx_external mmx_inline"

  2230. 

  2231. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2232.     eval dep=\$${ext}_deps

  2233.     eval ${ext}_external_deps='"${dep}_external"'

  2234.     eval ${ext}_inline_deps='"${dep}_inline"'

  2235.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2236. done

  2237. 

  2238. aligned_stack_if_any="aarch64 ppc x86"

  2239. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2240. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2241. fast_unaligned_if_any="aarch64 ppc x86"

  2242. simd_align_16_if_any="altivec neon sse"

  2243. 

  2244. # system capabilities

  2245. symver_if_any="symver_asm_label symver_gnu_asm"

  2246. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2247. 

  2248. # threading support

  2249. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2250. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2251. atomics_win32_if="MemoryBarrier"

  2252. atomics_native_if_any="$ATOMICS_LIST"

  2253. w32threads_deps="atomics_native"

  2254. threads_if_any="$THREADS_LIST"

  2255. 

  2256. # subsystems

  2257. dct_select="rdft"

  2258. dirac_parse_select="golomb"

  2259. error_resilience_select="me_cmp"

  2260. faandct_deps="faan fdctdsp"

  2261. faanidct_deps="faan idctdsp"

  2262. h264dsp_select="startcode"

  2263. frame_thread_encoder_deps="encoders threads"

  2264. mdct_select="fft"

  2265. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2266. mpeg_er_select="error_resilience"

  2267. mpegaudio_select="mpegaudiodsp"

  2268. mpegaudiodsp_select="dct"

  2269. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2270. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2271. qsvdec_select="qsv"

  2272. qsvenc_select="qsv"

  2273. vc1dsp_select="h264chroma qpeldsp startcode"

  2274. rdft_select="fft"

  2275. 

  2276. # decoders / encoders

  2277. aac_decoder_select="imdct15 mdct sinewin"

  2278. aac_fixed_decoder_select="mdct sinewin"

  2279. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2280. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2281. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2282. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2283. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2284. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2285. adpcm_g722_decoder_select="g722dsp"

  2286. adpcm_g722_encoder_select="g722dsp"

  2287. aic_decoder_select="golomb idctdsp"

  2288. alac_encoder_select="lpc"

  2289. als_decoder_select="bswapdsp"

  2290. amrnb_decoder_select="lsp"

  2291. amrwb_decoder_select="lsp"

  2292. amv_decoder_select="sp5x_decoder exif"

  2293. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2294. ape_decoder_select="bswapdsp llauddsp"

  2295. apng_decoder_select="zlib"

  2296. apng_encoder_select="huffyuvencdsp zlib"

  2297. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2298. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2299. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2300. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2301. atrac1_decoder_select="mdct sinewin"

  2302. atrac3_decoder_select="mdct"

  2303. atrac3p_decoder_select="mdct sinewin"

  2304. avrn_decoder_select="exif jpegtables"

  2305. bink_decoder_select="blockdsp hpeldsp"

  2306. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2307. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2308. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2309. cllc_decoder_select="bswapdsp"

  2310. comfortnoise_encoder_select="lpc"

  2311. cook_decoder_select="audiodsp mdct sinewin"

  2312. cscd_decoder_select="lzo"

  2313. cscd_decoder_suggest="zlib"

  2314. dca_decoder_select="mdct"

  2315. dds_decoder_select="texturedsp"

  2316. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2317. dnxhd_decoder_select="blockdsp idctdsp"

  2318. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2319. dvvideo_decoder_select="dvprofile idctdsp"

  2320. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2321. dxa_decoder_select="zlib"

  2322. dxv_decoder_select="lzf texturedsp"

  2323. eac3_decoder_select="ac3_decoder"

  2324. eac3_encoder_select="ac3_encoder"

  2325. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2326. eatgq_decoder_select="aandcttables"

  2327. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2328. exr_decoder_select="zlib"

  2329. ffv1_decoder_select="golomb rangecoder"

  2330. ffv1_encoder_select="rangecoder"

  2331. ffvhuff_decoder_select="huffyuv_decoder"

  2332. ffvhuff_encoder_select="huffyuv_encoder"

  2333. fic_decoder_select="golomb"

  2334. flac_decoder_select="flacdsp golomb"

  2335. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2336. flashsv2_decoder_select="zlib"

  2337. flashsv2_encoder_select="zlib"

  2338. flashsv_decoder_select="zlib"

  2339. flashsv_encoder_select="zlib"

  2340. flv_decoder_select="h263_decoder"

  2341. flv_encoder_select="h263_encoder"

  2342. fourxm_decoder_select="blockdsp bswapdsp"

  2343. fraps_decoder_select="bswapdsp huffman"

  2344. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2345. g729_decoder_select="audiodsp"

  2346. h261_decoder_select="mpegvideo"

  2347. h261_encoder_select="aandcttables mpegvideoenc"

  2348. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2349. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2350. h263i_decoder_select="h263_decoder"

  2351. h263p_decoder_select="h263_decoder"

  2352. h263p_encoder_select="h263_encoder"

  2353. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"

  2354. h264_decoder_suggest="error_resilience"

  2355. h264_qsv_decoder_deps="libmfx"

  2356. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2357. h264_qsv_encoder_deps="libmfx"

  2358. h264_qsv_encoder_select="qsvenc"

  2359. hap_decoder_select="snappy texturedsp"

  2360. hap_encoder_deps="libsnappy"

  2361. hap_encoder_select="texturedspenc"

  2362. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2363. hevc_qsv_decoder_deps="libmfx"

  2364. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2365. hevc_qsv_encoder_deps="libmfx"

  2366. hevc_qsv_encoder_select="qsvenc"

  2367. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2368. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2369. iac_decoder_select="imc_decoder"

  2370. imc_decoder_select="bswapdsp fft mdct sinewin"

  2371. indeo3_decoder_select="hpeldsp"

  2372. indeo4_decoder_select="ividsp"

  2373. indeo5_decoder_select="ividsp"

  2374. interplay_video_decoder_select="hpeldsp"

  2375. jpegls_decoder_select="golomb mjpeg_decoder"

  2376. jpegls_encoder_select="golomb"

  2377. jv_decoder_select="blockdsp"

  2378. lagarith_decoder_select="huffyuvdsp"

  2379. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2380. loco_decoder_select="golomb"

  2381. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2382. metasound_decoder_select="lsp mdct sinewin"

  2383. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2384. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2385. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2386. mjpegb_decoder_select="mjpeg_decoder"

  2387. mlp_decoder_select="mlp_parser"

  2388. motionpixels_decoder_select="bswapdsp"

  2389. mp1_decoder_select="mpegaudio"

  2390. mp1float_decoder_select="mpegaudio"

  2391. mp2_decoder_select="mpegaudio"

  2392. mp2float_decoder_select="mpegaudio"

  2393. mp3_decoder_select="mpegaudio"

  2394. mp3adu_decoder_select="mpegaudio"

  2395. mp3adufloat_decoder_select="mpegaudio"

  2396. mp3float_decoder_select="mpegaudio"

  2397. mp3on4_decoder_select="mpegaudio"

  2398. mp3on4float_decoder_select="mpegaudio"

  2399. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2400. mpc8_decoder_select="mpegaudiodsp"

  2401. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2402. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2403. mpegvideo_decoder_select="mpegvideo"

  2404. mpeg1video_decoder_select="mpegvideo"

  2405. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2406. mpeg2video_decoder_select="mpegvideo"

  2407. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2408. mpeg2_qsv_decoder_deps="libmfx"

  2409. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2410. mpeg2_qsv_encoder_deps="libmfx"

  2411. mpeg2_qsv_encoder_select="qsvenc"

  2412. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2413. mpeg4_encoder_select="h263_encoder"

  2414. msa1_decoder_select="mss34dsp"

  2415. msmpeg4v1_decoder_select="h263_decoder"

  2416. msmpeg4v2_decoder_select="h263_decoder"

  2417. msmpeg4v2_encoder_select="h263_encoder"

  2418. msmpeg4v3_decoder_select="h263_decoder"

  2419. msmpeg4v3_encoder_select="h263_encoder"

  2420. mss2_decoder_select="vc1_decoder mpegvideo"

  2421. mts2_decoder_select="mss34dsp"

  2422. mxpeg_decoder_select="mjpeg_decoder"

  2423. nellymoser_decoder_select="mdct sinewin"

  2424. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2425. nuv_decoder_select="idctdsp lzo"

  2426. on2avc_decoder_select="mdct"

  2427. opus_decoder_deps="swresample"

  2428. opus_decoder_select="imdct15"

  2429. png_decoder_select="zlib"

  2430. png_encoder_select="huffyuvencdsp zlib"

  2431. prores_decoder_select="blockdsp idctdsp"

  2432. prores_encoder_select="fdctdsp"

  2433. qcelp_decoder_select="lsp"

  2434. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2435. ra_144_decoder_select="audiodsp"

  2436. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2437. ralf_decoder_select="golomb"

  2438. rawvideo_decoder_select="bswapdsp"

  2439. rscc_decoder_select="zlib"

  2440. rtjpeg_decoder_select="me_cmp"

  2441. rv10_decoder_select="h263_decoder"

  2442. rv10_encoder_select="h263_encoder"

  2443. rv20_decoder_select="h263_decoder"

  2444. rv20_encoder_select="h263_encoder"

  2445. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2446. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2447. screenpresso_decoder_select="zlib"

  2448. shorten_decoder_select="golomb"

  2449. sipr_decoder_select="lsp"

  2450. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2451. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2452. sonic_decoder_select="golomb rangecoder"

  2453. sonic_encoder_select="golomb rangecoder"

  2454. sonic_ls_encoder_select="golomb rangecoder"

  2455. sp5x_decoder_select="mjpeg_decoder"

  2456. svq1_decoder_select="hpeldsp"

  2457. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2458. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2459. svq3_decoder_suggest="zlib"

  2460. tak_decoder_select="audiodsp"

  2461. tdsc_decoder_select="zlib mjpeg_decoder"

  2462. theora_decoder_select="vp3_decoder"

  2463. thp_decoder_select="mjpeg_decoder"

  2464. tiff_decoder_suggest="zlib lzma"

  2465. tiff_encoder_suggest="zlib"

  2466. truehd_decoder_select="mlp_parser"

  2467. truemotion2_decoder_select="bswapdsp"

  2468. truespeech_decoder_select="bswapdsp"

  2469. tscc_decoder_select="zlib"

  2470. twinvq_decoder_select="mdct lsp sinewin"

  2471. txd_decoder_select="texturedsp"

  2472. utvideo_decoder_select="bswapdsp"

  2473. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2474. vble_decoder_select="huffyuvdsp"

  2475. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2476. vc1_qsv_decoder_deps="libmfx"

  2477. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2478. vc1image_decoder_select="vc1_decoder"

  2479. vorbis_decoder_select="mdct"

  2480. vorbis_encoder_select="mdct"

  2481. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2482. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2483. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2484. vp6a_decoder_select="vp6_decoder"

  2485. vp6f_decoder_select="vp6_decoder"

  2486. vp7_decoder_select="h264pred videodsp vp8dsp"

  2487. vp8_decoder_select="h264pred videodsp vp8dsp"

  2488. vp9_decoder_select="videodsp vp9_parser"

  2489. webp_decoder_select="vp8_decoder exif"

  2490. wmalossless_decoder_select="llauddsp"

  2491. wmapro_decoder_select="mdct sinewin wma_freqs"

  2492. wmav1_decoder_select="mdct sinewin wma_freqs"

  2493. wmav1_encoder_select="mdct sinewin wma_freqs"

  2494. wmav2_decoder_select="mdct sinewin wma_freqs"

  2495. wmav2_encoder_select="mdct sinewin wma_freqs"

  2496. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2497. wmv1_decoder_select="h263_decoder"

  2498. wmv1_encoder_select="h263_encoder"

  2499. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2500. wmv2_encoder_select="h263_encoder wmv2dsp"

  2501. wmv3_decoder_select="vc1_decoder"

  2502. wmv3image_decoder_select="wmv3_decoder"

  2503. xma1_decoder_select="wmapro_decoder"

  2504. xma2_decoder_select="wmapro_decoder"

  2505. zerocodec_decoder_select="zlib"

  2506. zlib_decoder_select="zlib"

  2507. zlib_encoder_select="zlib"

  2508. zmbv_decoder_select="zlib"

  2509. zmbv_encoder_select="zlib"

  2510. 

  2511. # platform codecs

  2512. audiotoolbox_deps="AudioToolbox_AudioToolbox_h"

  2513. audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"

  2514. 

  2515. # hardware accelerators

  2516. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2517. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2518. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2519. vaapi_deps="va_va_h"

  2520. vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"

  2521. vda_framework_extralibs="-framework VideoDecodeAcceleration"

  2522. vda_deps="vda_framework pthreads"

  2523. vda_extralibs="-framework CoreFoundation -framework QuartzCore"

  2524. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2525. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2526. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2527. xvmc_deps="X11_extensions_XvMClib_h"

  2528. 

  2529. h263_vaapi_hwaccel_deps="vaapi"

  2530. h263_vaapi_hwaccel_select="h263_decoder"

  2531. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2532. h263_videotoolbox_hwaccel_select="h263_decoder"

  2533. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2534. h264_d3d11va_hwaccel_deps="d3d11va"

  2535. h264_d3d11va_hwaccel_select="h264_decoder"

  2536. h264_dxva2_hwaccel_deps="dxva2"

  2537. h264_dxva2_hwaccel_select="h264_decoder"

  2538. h264_mediacodec_decoder_deps="mediacodec"

  2539. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2540. h264_mmal_decoder_deps="mmal"

  2541. h264_mmal_decoder_select="mmal"

  2542. h264_mmal_hwaccel_deps="mmal"

  2543. h264_qsv_hwaccel_deps="libmfx"

  2544. h264_vaapi_hwaccel_deps="vaapi"

  2545. h264_vaapi_hwaccel_select="h264_decoder"

  2546. h264_vda_decoder_deps="vda"

  2547. h264_vda_decoder_select="h264_decoder"

  2548. h264_vda_hwaccel_deps="vda"

  2549. h264_vda_hwaccel_select="h264_decoder"

  2550. h264_vda_old_hwaccel_deps="vda"

  2551. h264_vda_old_hwaccel_select="h264_decoder"

  2552. h264_vdpau_decoder_deps="vdpau"

  2553. h264_vdpau_decoder_select="h264_decoder"

  2554. h264_vdpau_hwaccel_deps="vdpau"

  2555. h264_vdpau_hwaccel_select="h264_decoder"

  2556. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2557. h264_videotoolbox_hwaccel_select="h264_decoder"

  2558. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2559. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2560. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2561. hevc_dxva2_hwaccel_select="hevc_decoder"

  2562. hevc_qsv_hwaccel_deps="libmfx"

  2563. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2564. hevc_vaapi_hwaccel_select="hevc_decoder"

  2565. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2566. hevc_vdpau_hwaccel_select="hevc_decoder"

  2567. mpeg_vdpau_decoder_deps="vdpau"

  2568. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2569. mpeg_xvmc_hwaccel_deps="xvmc"

  2570. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2571. mpeg1_vdpau_decoder_deps="vdpau"

  2572. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2573. mpeg1_vdpau_hwaccel_deps="vdpau"

  2574. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2575. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2576. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2577. mpeg1_xvmc_hwaccel_deps="xvmc"

  2578. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2579. mpeg2_crystalhd_decoder_select="crystalhd"

  2580. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2581. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2582. mpeg2_dxva2_hwaccel_deps="dxva2"

  2583. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2584. mpeg2_mmal_decoder_deps="mmal"

  2585. mpeg2_mmal_decoder_select="mmal"

  2586. mpeg2_mmal_hwaccel_deps="mmal"

  2587. mpeg2_qsv_hwaccel_deps="libmfx"

  2588. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2589. mpeg2_vaapi_hwaccel_deps="vaapi"

  2590. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2591. mpeg2_vdpau_hwaccel_deps="vdpau"

  2592. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2593. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2594. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2595. mpeg2_xvmc_hwaccel_deps="xvmc"

  2596. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2597. mpeg4_crystalhd_decoder_select="crystalhd"

  2598. mpeg4_mmal_decoder_deps="mmal"

  2599. mpeg4_mmal_decoder_select="mmal"

  2600. mpeg4_mmal_hwaccel_deps="mmal"

  2601. mpeg4_vaapi_hwaccel_deps="vaapi"

  2602. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2603. mpeg4_vdpau_decoder_deps="vdpau"

  2604. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2605. mpeg4_vdpau_hwaccel_deps="vdpau"

  2606. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2607. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2608. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2609. msmpeg4_crystalhd_decoder_select="crystalhd"

  2610. vc1_crystalhd_decoder_select="crystalhd"

  2611. vc1_d3d11va_hwaccel_deps="d3d11va"

  2612. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2613. vc1_dxva2_hwaccel_deps="dxva2"

  2614. vc1_dxva2_hwaccel_select="vc1_decoder"

  2615. vc1_mmal_decoder_deps="mmal"

  2616. vc1_mmal_decoder_select="mmal"

  2617. vc1_mmal_hwaccel_deps="mmal"

  2618. vc1_qsv_hwaccel_deps="libmfx"

  2619. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2620. vc1_vaapi_hwaccel_deps="vaapi"

  2621. vc1_vaapi_hwaccel_select="vc1_decoder"

  2622. vc1_vdpau_decoder_deps="vdpau"

  2623. vc1_vdpau_decoder_select="vc1_decoder"

  2624. vc1_vdpau_hwaccel_deps="vdpau"

  2625. vc1_vdpau_hwaccel_select="vc1_decoder"

  2626. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2627. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2628. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2629. vp9_dxva2_hwaccel_select="vp9_decoder"

  2630. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2631. vp9_vaapi_hwaccel_select="vp9_decoder"

  2632. wmv3_crystalhd_decoder_select="crystalhd"

  2633. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2634. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2635. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2636. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2637. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2638. 

  2639. # parsers

  2640. h264_parser_select="h264_decoder"

  2641. hevc_parser_select="golomb"

  2642. mpegvideo_parser_select="mpegvideo"

  2643. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2644. vc1_parser_select="vc1dsp"

  2645. 

  2646. # bitstream_filters

  2647. mjpeg2jpeg_bsf_select="jpegtables"

  2648. 

  2649. # external libraries

  2650. aac_at_decoder_deps="audiotoolbox"

  2651. ac3_at_decoder_deps="audiotoolbox"

  2652. ac3_at_decoder_select="ac3_parser"

  2653. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  2654. alac_at_decoder_deps="audiotoolbox"

  2655. amr_nb_at_decoder_deps="audiotoolbox"

  2656. eac3_at_decoder_deps="audiotoolbox"

  2657. eac3_at_decoder_select="ac3_parser"

  2658. gsm_ms_at_decoder_deps="audiotoolbox"

  2659. ilbc_at_decoder_deps="audiotoolbox"

  2660. mp1_at_decoder_deps="audiotoolbox"

  2661. mp2_at_decoder_deps="audiotoolbox"

  2662. mp3_at_decoder_deps="audiotoolbox"

  2663. pcm_alaw_at_decoder_deps="audiotoolbox"

  2664. pcm_mulaw_at_decoder_deps="audiotoolbox"

  2665. qdmc_at_decoder_deps="audiotoolbox"

  2666. qdm2_at_decoder_deps="audiotoolbox"

  2667. aac_at_encoder_deps="audiotoolbox"

  2668. aac_at_encoder_select="audio_frame_queue"

  2669. alac_at_encoder_deps="audiotoolbox"

  2670. alac_at_encoder_select="audio_frame_queue"

  2671. ilbc_at_encoder_deps="audiotoolbox"

  2672. ilbc_at_encoder_select="audio_frame_queue"

  2673. pcm_alaw_at_encoder_deps="audiotoolbox"

  2674. pcm_alaw_at_encoder_select="audio_frame_queue"

  2675. pcm_mulaw_at_encoder_deps="audiotoolbox"

  2676. pcm_mulaw_at_encoder_select="audio_frame_queue"

  2677. chromaprint_muxer_deps="chromaprint"

  2678. h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"

  2679. libcelt_decoder_deps="libcelt"

  2680. libfaac_encoder_deps="libfaac"

  2681. libfaac_encoder_select="audio_frame_queue"

  2682. libfdk_aac_decoder_deps="libfdk_aac"

  2683. libfdk_aac_encoder_deps="libfdk_aac"

  2684. libfdk_aac_encoder_select="audio_frame_queue"

  2685. libgme_demuxer_deps="libgme"

  2686. libgsm_decoder_deps="libgsm"

  2687. libgsm_encoder_deps="libgsm"

  2688. libgsm_ms_decoder_deps="libgsm"

  2689. libgsm_ms_encoder_deps="libgsm"

  2690. libilbc_decoder_deps="libilbc"

  2691. libilbc_encoder_deps="libilbc"

  2692. libkvazaar_encoder_deps="libkvazaar"

  2693. libmodplug_demuxer_deps="libmodplug"

  2694. libmp3lame_encoder_deps="libmp3lame"

  2695. libmp3lame_encoder_select="audio_frame_queue"

  2696. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2697. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2698. libopencore_amrnb_encoder_select="audio_frame_queue"

  2699. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2700. libopenh264_encoder_deps="libopenh264"

  2701. libopenjpeg_decoder_deps="libopenjpeg"

  2702. libopenjpeg_encoder_deps="libopenjpeg"

  2703. libopus_decoder_deps="libopus"

  2704. libopus_encoder_deps="libopus"

  2705. libopus_encoder_select="audio_frame_queue"

  2706. libschroedinger_decoder_deps="libschroedinger"

  2707. libschroedinger_encoder_deps="libschroedinger"

  2708. libshine_encoder_deps="libshine"

  2709. libshine_encoder_select="audio_frame_queue"

  2710. libspeex_decoder_deps="libspeex"

  2711. libspeex_encoder_deps="libspeex"

  2712. libspeex_encoder_select="audio_frame_queue"

  2713. libtheora_encoder_deps="libtheora"

  2714. libtwolame_encoder_deps="libtwolame"

  2715. libutvideo_decoder_deps="libutvideo"

  2716. libutvideo_encoder_deps="libutvideo"

  2717. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2718. libvorbis_decoder_deps="libvorbis"

  2719. libvorbis_encoder_deps="libvorbis"

  2720. libvorbis_encoder_select="audio_frame_queue"

  2721. libvpx_vp8_decoder_deps="libvpx"

  2722. libvpx_vp8_encoder_deps="libvpx"

  2723. libvpx_vp9_decoder_deps="libvpx"

  2724. libvpx_vp9_encoder_deps="libvpx"

  2725. libwavpack_encoder_deps="libwavpack"

  2726. libwebp_encoder_deps="libwebp"

  2727. libwebp_anim_encoder_deps="libwebp"

  2728. libx262_encoder_deps="libx262"

  2729. libx264_encoder_deps="libx264"

  2730. libx264rgb_encoder_deps="libx264"

  2731. libx264rgb_encoder_select="libx264_encoder"

  2732. libx265_encoder_deps="libx265"

  2733. libxavs_encoder_deps="libxavs"

  2734. libxvid_encoder_deps="libxvid"

  2735. libzvbi_teletext_decoder_deps="libzvbi"

  2736. nvenc_encoder_deps="nvenc"

  2737. nvenc_h264_encoder_deps="nvenc"

  2738. nvenc_hevc_encoder_deps="nvenc"

  2739. videotoolbox_deps="VideoToolbox_VideoToolbox_h"

  2740. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"

  2741. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  2742. videotoolbox_encoder_suggest="vda_framework"

  2743. 

  2744. # demuxers / muxers

  2745. ac3_demuxer_select="ac3_parser"

  2746. asf_demuxer_select="riffdec"

  2747. asf_o_demuxer_select="riffdec"

  2748. asf_muxer_select="riffenc"

  2749. asf_stream_muxer_select="asf_muxer"

  2750. avi_demuxer_select="iso_media riffdec exif"

  2751. avi_muxer_select="riffenc"

  2752. avisynth_demuxer_deps="avisynth"

  2753. avisynth_demuxer_select="riffdec"

  2754. caf_demuxer_select="iso_media riffdec"

  2755. dash_muxer_select="mp4_muxer"

  2756. dirac_demuxer_select="dirac_parser"

  2757. dts_demuxer_select="dca_parser"

  2758. dtshd_demuxer_select="dca_parser"

  2759. dv_demuxer_select="dvprofile"

  2760. dv_muxer_select="dvprofile"

  2761. dxa_demuxer_select="riffdec"

  2762. eac3_demuxer_select="ac3_parser"

  2763. f4v_muxer_select="mov_muxer"

  2764. flac_demuxer_select="flac_parser"

  2765. hds_muxer_select="flv_muxer"

  2766. hls_muxer_select="mpegts_muxer"

  2767. image2_alias_pix_demuxer_select="image2_demuxer"

  2768. image2_brender_pix_demuxer_select="image2_demuxer"

  2769. ipod_muxer_select="mov_muxer"

  2770. ismv_muxer_select="mov_muxer"

  2771. libnut_demuxer_deps="libnut"

  2772. libnut_muxer_deps="libnut"

  2773. matroska_audio_muxer_select="matroska_muxer"

  2774. matroska_demuxer_select="iso_media riffdec"

  2775. matroska_demuxer_suggest="bzlib lzo zlib"

  2776. matroska_muxer_select="iso_media riffenc"

  2777. mmf_muxer_select="riffenc"

  2778. mov_demuxer_select="iso_media riffdec"

  2779. mov_demuxer_suggest="zlib"

  2780. mov_muxer_select="iso_media riffenc rtpenc_chain"

  2781. mp3_demuxer_select="mpegaudio_parser"

  2782. mp4_muxer_select="mov_muxer"

  2783. mpegts_demuxer_select="iso_media"

  2784. mpegts_muxer_select="adts_muxer latm_muxer"

  2785. mpegtsraw_demuxer_select="mpegts_demuxer"

  2786. mxf_d10_muxer_select="mxf_muxer"

  2787. mxf_opatom_muxer_select="mxf_muxer"

  2788. nut_muxer_select="riffenc"

  2789. nuv_demuxer_select="riffdec"

  2790. oga_muxer_select="ogg_muxer"

  2791. ogg_demuxer_select="dirac_parse"

  2792. opus_muxer_select="ogg_muxer"

  2793. psp_muxer_select="mov_muxer"

  2794. rtp_demuxer_select="sdp_demuxer"

  2795. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  2796. rtsp_demuxer_select="http_protocol rtpdec"

  2797. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2798. sap_demuxer_select="sdp_demuxer"

  2799. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2800. sdp_demuxer_select="rtpdec"

  2801. smoothstreaming_muxer_select="ismv_muxer"

  2802. spdif_muxer_select="aac_parser"

  2803. spx_muxer_select="ogg_muxer"

  2804. swf_demuxer_suggest="zlib"

  2805. tak_demuxer_select="tak_parser"

  2806. tg2_muxer_select="mov_muxer"

  2807. tgp_muxer_select="mov_muxer"

  2808. vobsub_demuxer_select="mpegps_demuxer"

  2809. w64_demuxer_select="wav_demuxer"

  2810. w64_muxer_select="wav_muxer"

  2811. wav_demuxer_select="riffdec"

  2812. wav_muxer_select="riffenc"

  2813. webm_muxer_select="iso_media riffenc"

  2814. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2815. wtv_demuxer_select="mpegts_demuxer riffdec"

  2816. wtv_muxer_select="mpegts_muxer riffenc"

  2817. xmv_demuxer_select="riffdec"

  2818. xwma_demuxer_select="riffdec"

  2819. 

  2820. # indevs / outdevs

  2821. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2822. alsa_outdev_deps="alsa_asoundlib_h"

  2823. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2824. avfoundation_indev_select="avfoundation"

  2825. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2826. caca_outdev_deps="libcaca"

  2827. decklink_indev_deps="decklink pthreads"

  2828. decklink_indev_extralibs="-lstdc++"

  2829. decklink_outdev_deps="decklink pthreads"

  2830. decklink_outdev_extralibs="-lstdc++"

  2831. dshow_indev_deps="IBaseFilter"

  2832. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2833. dv1394_indev_deps="dv1394"

  2834. dv1394_indev_select="dv_demuxer"

  2835. fbdev_indev_deps="linux_fb_h"

  2836. fbdev_outdev_deps="linux_fb_h"

  2837. gdigrab_indev_deps="CreateDIBSection"

  2838. gdigrab_indev_extralibs="-lgdi32"

  2839. gdigrab_indev_select="bmp_decoder"

  2840. iec61883_indev_deps="libiec61883"

  2841. jack_indev_deps="jack_jack_h"

  2842. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2843. lavfi_indev_deps="avfilter"

  2844. libcdio_indev_deps="libcdio"

  2845. libdc1394_indev_deps="libdc1394"

  2846. libv4l2_indev_deps="libv4l2"

  2847. openal_indev_deps="openal"

  2848. opengl_outdev_deps="opengl"

  2849. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2850. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2851. pulse_indev_deps="libpulse"

  2852. pulse_outdev_deps="libpulse"

  2853. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2854. qtkit_indev_select="qtkit"

  2855. sdl_outdev_deps="sdl"

  2856. sndio_indev_deps="sndio_h"

  2857. sndio_outdev_deps="sndio_h"

  2858. v4l_indev_deps="linux_videodev_h"

  2859. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2860. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2861. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2862. vfwcap_indev_extralibs="-lavicap32"

  2863. x11grab_indev_deps="x11grab"

  2864. x11grab_xcb_indev_deps="libxcb"

  2865. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2866. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2867. 

  2868. # protocols

  2869. async_protocol_deps="threads"

  2870. bluray_protocol_deps="libbluray"

  2871. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2872. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2873. ffrtmpcrypt_protocol_select="tcp_protocol"

  2874. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2875. ffrtmphttp_protocol_select="http_protocol"

  2876. ftp_protocol_select="tcp_protocol"

  2877. gopher_protocol_select="network"

  2878. http_protocol_select="tcp_protocol"

  2879. httpproxy_protocol_select="tcp_protocol"

  2880. https_protocol_select="tls_protocol"

  2881. icecast_protocol_select="http_protocol"

  2882. librtmp_protocol_deps="librtmp"

  2883. librtmpe_protocol_deps="librtmp"

  2884. librtmps_protocol_deps="librtmp"

  2885. librtmpt_protocol_deps="librtmp"

  2886. librtmpte_protocol_deps="librtmp"

  2887. libsmbclient_protocol_deps="libsmbclient gplv3"

  2888. libssh_protocol_deps="libssh"

  2889. mmsh_protocol_select="http_protocol"

  2890. mmst_protocol_select="network"

  2891. rtmp_protocol_deps="!librtmp_protocol"

  2892. rtmp_protocol_select="tcp_protocol"

  2893. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2894. rtmps_protocol_deps="!librtmp_protocol"

  2895. rtmps_protocol_select="tls_protocol"

  2896. rtmpt_protocol_select="ffrtmphttp_protocol"

  2897. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2898. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2899. rtp_protocol_select="udp_protocol"

  2900. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  2901. sctp_protocol_select="network"

  2902. srtp_protocol_select="rtp_protocol srtp"

  2903. tcp_protocol_select="network"

  2904. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2905. tls_gnutls_protocol_select="tcp_protocol"

  2906. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2907. tls_openssl_protocol_select="tcp_protocol"

  2908. tls_schannel_protocol_deps="schannel"

  2909. tls_schannel_protocol_select="tcp_protocol"

  2910. tls_securetransport_protocol_deps="securetransport"

  2911. tls_securetransport_protocol_select="tcp_protocol"

  2912. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2913. udp_protocol_select="network"

  2914. udplite_protocol_select="network"

  2915. unix_protocol_deps="sys_un_h"

  2916. unix_protocol_select="network"

  2917. 

  2918. # filters

  2919. afftfilt_filter_deps="avcodec"

  2920. afftfilt_filter_select="fft"

  2921. amovie_filter_deps="avcodec avformat"

  2922. aresample_filter_deps="swresample"

  2923. ass_filter_deps="libass"

  2924. asyncts_filter_deps="avresample"

  2925. atempo_filter_deps="avcodec"

  2926. atempo_filter_select="rdft"

  2927. azmq_filter_deps="libzmq"

  2928. blackframe_filter_deps="gpl"

  2929. boxblur_filter_deps="gpl"

  2930. bs2b_filter_deps="libbs2b"

  2931. colormatrix_filter_deps="gpl"

  2932. cover_rect_filter_deps="avcodec avformat gpl"

  2933. cropdetect_filter_deps="gpl"

  2934. delogo_filter_deps="gpl"

  2935. deshake_filter_select="pixelutils"

  2936. drawtext_filter_deps="libfreetype"

  2937. ebur128_filter_deps="gpl"

  2938. eq_filter_deps="gpl"

  2939. fftfilt_filter_deps="avcodec"

  2940. fftfilt_filter_select="rdft"

  2941. find_rect_filter_deps="avcodec avformat gpl"

  2942. firequalizer_filter_deps="avcodec"

  2943. firequalizer_filter_select="rdft"

  2944. flite_filter_deps="libflite"

  2945. frei0r_filter_deps="frei0r dlopen"

  2946. frei0r_src_filter_deps="frei0r dlopen"

  2947. fspp_filter_deps="gpl"

  2948. geq_filter_deps="gpl"

  2949. histeq_filter_deps="gpl"

  2950. hqdn3d_filter_deps="gpl"

  2951. hwupload_cuda_filter_deps="cuda"

  2952. interlace_filter_deps="gpl"

  2953. kerndeint_filter_deps="gpl"

  2954. ladspa_filter_deps="ladspa dlopen"

  2955. mcdeint_filter_deps="avcodec gpl"

  2956. movie_filter_deps="avcodec avformat"

  2957. mpdecimate_filter_deps="gpl"

  2958. mpdecimate_filter_select="pixelutils"

  2959. mptestsrc_filter_deps="gpl"

  2960. negate_filter_deps="lut_filter"

  2961. nnedi_filter_deps="gpl"

  2962. ocr_filter_deps="libtesseract"

  2963. ocv_filter_deps="libopencv"

  2964. owdenoise_filter_deps="gpl"

  2965. pan_filter_deps="swresample"

  2966. perspective_filter_deps="gpl"

  2967. phase_filter_deps="gpl"

  2968. pp7_filter_deps="gpl"

  2969. pp_filter_deps="gpl postproc"

  2970. pullup_filter_deps="gpl"

  2971. removelogo_filter_deps="avcodec avformat swscale"

  2972. repeatfields_filter_deps="gpl"

  2973. resample_filter_deps="avresample"

  2974. rubberband_filter_deps="librubberband"

  2975. sab_filter_deps="gpl swscale"

  2976. scale2ref_filter_deps="swscale"

  2977. scale_filter_deps="swscale"

  2978. select_filter_select="pixelutils"

  2979. showcqt_filter_deps="avcodec avformat swscale"

  2980. showcqt_filter_select="fft"

  2981. showfreqs_filter_deps="avcodec"

  2982. showfreqs_filter_select="fft"

  2983. showspectrum_filter_deps="avcodec"

  2984. showspectrum_filter_select="fft"

  2985. showspectrumpic_filter_deps="avcodec"

  2986. showspectrumpic_filter_select="fft"

  2987. smartblur_filter_deps="gpl swscale"

  2988. sofalizer_filter_deps="netcdf avcodec"

  2989. sofalizer_filter_select="fft"

  2990. spectrumsynth_filter_deps="avcodec"

  2991. spectrumsynth_filter_select="fft"

  2992. spp_filter_deps="gpl avcodec"

  2993. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2994. stereo3d_filter_deps="gpl"

  2995. subtitles_filter_deps="avformat avcodec libass"

  2996. super2xsai_filter_deps="gpl"

  2997. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2998. tinterlace_filter_deps="gpl"

  2999. tinterlace_merge_test_deps="tinterlace_filter"

  3000. tinterlace_pad_test_deps="tinterlace_filter"

  3001. uspp_filter_deps="gpl avcodec"

  3002. vidstabdetect_filter_deps="libvidstab"

  3003. vidstabtransform_filter_deps="libvidstab"

  3004. zmq_filter_deps="libzmq"

  3005. zoompan_filter_deps="swscale"

  3006. zscale_filter_deps="libzimg"

  3007. scale_npp_filter_deps="cuda libnpp"

  3008. scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3009. 

  3010. # examples

  3011. avcodec_example_deps="avcodec avutil"

  3012. avio_dir_cmd="avformat avutil"

  3013. avio_reading="avformat avcodec avutil"

  3014. decoding_encoding_example_deps="avcodec avformat avutil"

  3015. demuxing_decoding_example_deps="avcodec avformat avutil"

  3016. extract_mvs_example_deps="avcodec avformat avutil"

  3017. filter_audio_example_deps="avfilter avutil"

  3018. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3019. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3020. metadata_example_deps="avformat avutil"

  3021. muxing_example_deps="avcodec avformat avutil swscale"

  3022. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  3023. remuxing_example_deps="avcodec avformat avutil"

  3024. resampling_audio_example_deps="avutil swresample"

  3025. scaling_video_example_deps="avutil swscale"

  3026. transcode_aac_example_deps="avcodec avformat swresample"

  3027. transcoding_example_deps="avfilter avcodec avformat avutil"

  3028. 

  3029. # libraries, in linking order

  3030. avcodec_deps="avutil"

  3031. avdevice_deps="avformat avcodec avutil"

  3032. avfilter_deps="avutil"

  3033. avformat_deps="avcodec avutil"

  3034. avresample_deps="avutil"

  3035. postproc_deps="avutil gpl"

  3036. swresample_deps="avutil"

  3037. swscale_deps="avutil"

  3038. 

  3039. # programs

  3040. ffmpeg_deps="avcodec avfilter avformat swresample"

  3041. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3042.                null_filter

  3043.                setpts_filter trim_filter"

  3044. ffplay_deps="avcodec avformat swscale swresample sdl"

  3045. ffplay_libs='$sdl_libs'

  3046. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3047. ffprobe_deps="avcodec avformat"

  3048. ffserver_deps="avformat fork sarestart"

  3049. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  3050. 

  3051. # documentation

  3052. podpages_deps="perl"

  3053. manpages_deps="perl pod2man"

  3054. htmlpages_deps="perl"

  3055. htmlpages_deps_any="makeinfo_html texi2html"

  3056. txtpages_deps="perl makeinfo"

  3057. doc_deps_any="manpages htmlpages podpages txtpages"

  3058. 

  3059. # default parameters

  3060. 

  3061. logfile="config.log"

  3062. 

  3063. # installation paths

  3064. prefix_default="/usr/local"

  3065. bindir_default='${prefix}/bin'

  3066. datadir_default='${prefix}/share/ffmpeg'

  3067. docdir_default='${prefix}/share/doc/ffmpeg'

  3068. incdir_default='${prefix}/include'

  3069. libdir_default='${prefix}/lib'

  3070. mandir_default='${prefix}/share/man'

  3071. 

  3072. # toolchain

  3073. ar_default="ar"

  3074. cc_default="gcc"

  3075. cxx_default="g++"

  3076. host_cc_default="gcc"

  3077. cp_f="cp -f"

  3078. doxygen_default="doxygen"

  3079. install="install"

  3080. ln_s="ln -s -f"

  3081. nm_default="nm -g"

  3082. objformat="elf"

  3083. pkg_config_default=pkg-config

  3084. ranlib_default="ranlib"

  3085. strip_default="strip"

  3086. yasmexe_default="yasm"

  3087. windres_default="windres"

  3088. 

  3089. # OS

  3090. target_os_default=$(tolower $(uname -s))

  3091. host_os=$target_os_default

  3092. 

  3093. # machine

  3094. if test "$target_os_default" = aix; then

  3095.     arch_default=$(uname -p)

  3096.     strip_default="strip -X32_64"

  3097. else

  3098.     arch_default=$(uname -m)

  3099. fi

  3100. cpu="generic"

  3101. intrinsics="none"

  3102. 

  3103. # configurable options

  3104. enable $PROGRAM_LIST

  3105. enable $DOCUMENT_LIST

  3106. enable $EXAMPLE_LIST

  3107. enable $(filter_out avresample $LIBRARY_LIST)

  3108. enable stripping

  3109. 

  3110. enable asm

  3111. enable debug

  3112. enable doc

  3113. enable faan faandct faanidct

  3114. enable optimizations

  3115. enable runtime_cpudetect

  3116. enable safe_bitstream_reader

  3117. enable static

  3118. enable swscale_alpha

  3119. enable valgrind_backtrace

  3120. 

  3121. sws_max_filter_size_default=256

  3122. set_default sws_max_filter_size

  3123. 

  3124. # Enable platform codecs by default.

  3125. enable audiotoolbox

  3126. 

  3127. # Enable hwaccels by default.

  3128. enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc

  3129. enable xlib

  3130. 

  3131. enable vda_framework videotoolbox videotoolbox_encoder

  3132. 

  3133. # build settings

  3134. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3135. LIBPREF="lib"

  3136. LIBSUF=".a"

  3137. FULLNAME='$(NAME)$(BUILDSUF)'

  3138. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3139. SLIBPREF="lib"

  3140. SLIBSUF=".so"

  3141. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3142. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3143. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3144. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3145. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3146. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3147. 

  3148. asflags_filter=echo

  3149. cflags_filter=echo

  3150. ldflags_filter=echo

  3151. 

  3152. AS_C='-c'

  3153. AS_O='-o $@'

  3154. CC_C='-c'

  3155. CC_E='-E -o $@'

  3156. CC_O='-o $@'

  3157. CXX_C='-c'

  3158. CXX_O='-o $@'

  3159. OBJCC_C='-c'

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

  3161. OBJCC_O='-o $@'

  3162. LD_O='-o $@'

  3163. LD_LIB='-l%'

  3164. LD_PATH='-L'

  3165. HOSTCC_C='-c'

  3166. HOSTCC_E='-E -o $@'

  3167. HOSTCC_O='-o $@'

  3168. HOSTLD_O='-o $@'

  3169. 

  3170. host_libs='-lm'

  3171. host_cflags_filter=echo

  3172. host_ldflags_filter=echo

  3173. 

  3174. target_path='$(CURDIR)'

  3175. 

  3176. # since the object filename is not given with the -MM flag, the compiler

  3177. # is only able to print the basename, and we must add the path ourselves

  3178. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3179. DEPFLAGS='-MM'

  3180. 

  3181. # find source path

  3182. if test -f configure; then

  3183.     source_path=.

  3184. else

  3185.     source_path=$(cd $(dirname "$0"); pwd)

  3186.     case "$source_path" in

  3187.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3188.     esac

  3189.     test -e "$source_path/config.h" &&

  3190.         die "Out of tree builds are impossible with config.h in source dir."

  3191. fi

  3192. 

  3193. for v in "$@"; do

  3194.     r=${v#*=}

  3195.     l=${v%"$r"}

  3196.     r=$(sh_quote "$r")

  3197.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3198. done

  3199. 

  3200. find_things(){

  3201.     thing=$1

  3202.     pattern=$2

  3203.     file=$source_path/$3

  3204.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3205. }

  3206. 

  3207. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3208. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3209. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3210. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3211. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3212. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3213. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3214. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3215. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3216. 

  3217. find_things_extern(){

  3218.     thing=$1

  3219.     pattern=$2

  3220.     file=$source_path/$3

  3221.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3222. }

  3223. 

  3224. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3225. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3226. 

  3227. ALL_COMPONENTS="

  3228.     $BSF_LIST

  3229.     $DECODER_LIST

  3230.     $DEMUXER_LIST

  3231.     $ENCODER_LIST

  3232.     $FILTER_LIST

  3233.     $HWACCEL_LIST

  3234.     $INDEV_LIST

  3235.     $MUXER_LIST

  3236.     $OUTDEV_LIST

  3237.     $PARSER_LIST

  3238.     $PROTOCOL_LIST

  3239. "

  3240. 

  3241. for n in $COMPONENT_LIST; do

  3242.     v=$(toupper ${n%s})_LIST

  3243.     eval enable \$$v

  3244.     eval ${n}_if_any="\$$v"

  3245. done

  3246. 

  3247. enable $ARCH_EXT_LIST

  3248. 

  3249. die_unknown(){

  3250.     echo "Unknown option \"$1\"."

  3251.     echo "See $0 --help for available options."

  3252.     exit 1

  3253. }

  3254. 

  3255. print_in_columns() {

  3256.     cols=$(expr $ncols / 24)

  3257.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3258. }

  3259. 

  3260. show_list() {

  3261.     suffix=_$1

  3262.     shift

  3263.     echo $* | sed s/$suffix//g | print_in_columns

  3264.     exit 0

  3265. }

  3266. 

  3267. rand_list(){

  3268.     IFS=', '

  3269.     set -- $*

  3270.     unset IFS

  3271.     for thing; do

  3272.         comp=${thing%:*}

  3273.         prob=${thing#$comp}

  3274.         prob=${prob#:}

  3275.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3276.         echo "prob ${prob:-0.5}"

  3277.         printf '%s\n' $comp

  3278.     done

  3279. }

  3280. 

  3281. do_random(){

  3282.     action=$1

  3283.     shift

  3284.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3285.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3286. }

  3287. 

  3288. for opt do

  3289.     optval="${opt#*=}"

  3290.     case "$opt" in

  3291.         --extra-ldflags=*)

  3292.             add_ldflags $optval

  3293.         ;;

  3294.         --extra-ldexeflags=*)

  3295.             add_ldexeflags $optval

  3296.         ;;

  3297.         --extra-ldlibflags=*)

  3298.             add_ldlibflags $optval

  3299.         ;;

  3300.         --extra-libs=*)

  3301.             add_extralibs $optval

  3302.         ;;

  3303.         --disable-devices)

  3304.             disable $INDEV_LIST $OUTDEV_LIST

  3305.         ;;

  3306.         --enable-debug=*)

  3307.             debuglevel="$optval"

  3308.         ;;

  3309.         --disable-programs)

  3310.             disable $PROGRAM_LIST

  3311.         ;;

  3312.         --disable-everything)

  3313.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3314.         ;;

  3315.         --disable-all)

  3316.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3317.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3318.             enable avutil

  3319.         ;;

  3320.         --enable-random|--disable-random)

  3321.             action=${opt%%-random}

  3322.             do_random ${action#--} $COMPONENT_LIST

  3323.         ;;

  3324.         --enable-random=*|--disable-random=*)

  3325.             action=${opt%%-random=*}

  3326.             do_random ${action#--} $optval

  3327.         ;;

  3328.         --enable-*=*|--disable-*=*)

  3329.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3330.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3331.             eval list=\$$(toupper $thing)_LIST

  3332.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3333.             list=$(filter "$name" $list)

  3334.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3335.             $action $list

  3336.         ;;

  3337.         --enable-?*|--disable-?*)

  3338.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3339.             if is_in $option $COMPONENT_LIST; then

  3340.                 test $action = disable && action=unset

  3341.                 eval $action \$$(toupper ${option%s})_LIST

  3342.             elif is_in $option $CMDLINE_SELECT; then

  3343.                 $action $option

  3344.             else

  3345.                 die_unknown $opt

  3346.             fi

  3347.         ;;

  3348.         --list-*)

  3349.             NAME="${opt#--list-}"

  3350.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3351.             NAME=${NAME%s}

  3352.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3353.         ;;

  3354.         --help|-h) show_help

  3355.         ;;

  3356.         --fatal-warnings) enable fatal_warnings

  3357.         ;;

  3358.         *)

  3359.             optname="${opt%%=*}"

  3360.             optname="${optname#--}"

  3361.             optname=$(echo "$optname" | sed 's/-/_/g')

  3362.             if is_in $optname $CMDLINE_SET; then

  3363.                 eval $optname='$optval'

  3364.             elif is_in $optname $CMDLINE_APPEND; then

  3365.                 append $optname "$optval"

  3366.             else

  3367.                 die_unknown $opt

  3368.             fi

  3369.         ;;

  3370.     esac

  3371. done

  3372. 

  3373. for e in $env; do

  3374.     eval "export $e"

  3375. done

  3376. 

  3377. disabled logging && logfile=/dev/null

  3378. 

  3379. # Disable all the library-specific components if the library itself

  3380. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3381. 

  3382. disable_components(){

  3383.     disabled ${1} && disable $(

  3384.         eval components="\$$(toupper ${1})_COMPONENTS"

  3385.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3386.     )

  3387. }

  3388. 

  3389. map 'disable_components $v' $LIBRARY_LIST

  3390. 

  3391. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3392. set >> $logfile

  3393. 

  3394. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3395. 

  3396. case "$toolchain" in

  3397.     *-asan)

  3398.         cc_default="${toolchain%-asan}"

  3399.         add_cflags  -fsanitize=address

  3400.         add_ldflags -fsanitize=address

  3401.     ;;

  3402.     *-msan)

  3403.         cc_default="${toolchain%-msan}"

  3404.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  3405.         add_ldflags -fsanitize=memory

  3406.     ;;

  3407.     *-tsan)

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

  3409.         add_cflags  -fsanitize=thread -pie

  3410.         add_ldflags -fsanitize=thread -pie

  3411.         case "$toolchain" in

  3412.             gcc-tsan)

  3413.                 add_cflags  -fPIC

  3414.                 add_ldflags -fPIC

  3415.                 ;;

  3416.         esac

  3417.     ;;

  3418.     *-usan)

  3419.         cc_default="${toolchain%-usan}"

  3420.         add_cflags  -fsanitize=undefined

  3421.         add_ldflags -fsanitize=undefined

  3422.     ;;

  3423.     valgrind-*)

  3424.         target_exec_default="valgrind"

  3425.         case "$toolchain" in

  3426.             valgrind-massif)

  3427.                 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"

  3428.                 ;;

  3429.             valgrind-memcheck)

  3430.                 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"

  3431.                 ;;

  3432.         esac

  3433.     ;;

  3434.     msvc)

  3435.         # Check whether the current MSVC version needs the C99 converter.

  3436.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3437.         # support enough of C99 to build ffmpeg. Default to the new

  3438.         # behaviour if the regexp was unable to match anything, since this

  3439.         # successfully parses the version number of existing supported

  3440.         # versions that require the converter (MSVC 2010 and 2012).

  3441.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3442.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3443.             cc_default="cl"

  3444.         else

  3445.             cc_default="c99wrap cl"

  3446.         fi

  3447.         ld_default="$source_path/compat/windows/mslink"

  3448.         nm_default="dumpbin -symbols"

  3449.         ar_default="lib"

  3450.         case "$arch" in

  3451.         arm*)

  3452.             as_default="armasm"

  3453.             ;;

  3454.         esac

  3455.         target_os_default="win32"

  3456.         # Use a relative path for TMPDIR. This makes sure all the

  3457.         # ffconf temp files are written with a relative path, avoiding

  3458.         # issues with msys/win32 path conversion for MSVC parameters

  3459.         # such as -Fo<file> or -out:<file>.

  3460.         TMPDIR=.

  3461.     ;;

  3462.     icl)

  3463.         cc_default="icl"

  3464.         ld_default="xilink"

  3465.         nm_default="dumpbin -symbols"

  3466.         ar_default="xilib"

  3467.         target_os_default="win32"

  3468.         TMPDIR=.

  3469.     ;;

  3470.     gcov)

  3471.         add_cflags  -fprofile-arcs -ftest-coverage

  3472.         add_ldflags -fprofile-arcs -ftest-coverage

  3473.     ;;

  3474.     llvm-cov)

  3475.         add_cflags -fprofile-arcs -ftest-coverage

  3476.         add_ldflags --coverage

  3477.     ;;

  3478.     hardened)

  3479.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3480.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3481.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3482.     ;;

  3483.     ?*)

  3484.         die "Unknown toolchain $toolchain"

  3485.     ;;

  3486. esac

  3487. 

  3488. test -n "$cross_prefix" && enable cross_compile

  3489. 

  3490. if enabled cross_compile; then

  3491.     test -n "$arch" && test -n "$target_os" ||

  3492.         die "Must specify target arch and OS when cross-compiling"

  3493. fi

  3494. 

  3495. ar_default="${cross_prefix}${ar_default}"

  3496. cc_default="${cross_prefix}${cc_default}"

  3497. cxx_default="${cross_prefix}${cxx_default}"

  3498. nm_default="${cross_prefix}${nm_default}"

  3499. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3500. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3501.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3502. else

  3503.     ranlib_default="${cross_prefix}${ranlib_default}"

  3504. fi

  3505. strip_default="${cross_prefix}${strip_default}"

  3506. windres_default="${cross_prefix}${windres_default}"

  3507. 

  3508. sysinclude_default="${sysroot}/usr/include"

  3509. 

  3510. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3511.     target_exec target_os yasmexe

  3512. enabled cross_compile || host_cc_default=$cc

  3513. set_default host_cc

  3514. 

  3515. pkg_config_fail_message=""

  3516. if ! $pkg_config --version >/dev/null 2>&1; then

  3517.     warn "$pkg_config not found, library detection may fail."

  3518.     pkg_config=false

  3519. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3520.     pkg_config_fail_message="

  3521. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3522. fi

  3523. 

  3524. if test $doxygen != $doxygen_default && \

  3525.   ! $doxygen --version >/dev/null 2>&1; then

  3526.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3527. fi

  3528. 

  3529. exesuf() {

  3530.     case $1 in

  3531.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3532.     esac

  3533. }

  3534. 

  3535. EXESUF=$(exesuf $target_os)

  3536. HOSTEXESUF=$(exesuf $host_os)

  3537. 

  3538. # set temporary file name

  3539. : ${TMPDIR:=$TEMPDIR}

  3540. : ${TMPDIR:=$TMP}

  3541. : ${TMPDIR:=/tmp}

  3542. 

  3543. if [ -n "$tempprefix" ] ; then

  3544.     mktemp(){

  3545.         echo $tempprefix.${HOSTNAME}.${UID}

  3546.     }

  3547. elif ! check_cmd mktemp -u XXXXXX; then

  3548.     # simple replacement for missing mktemp

  3549.     # NOT SAFE FOR GENERAL USE

  3550.     mktemp(){

  3551.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3552.     }

  3553. fi

  3554. 

  3555. tmpfile(){

  3556.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3557.         (set -C; exec > $tmp) 2>/dev/null ||

  3558.         die "Unable to create temporary file in $TMPDIR."

  3559.     append TMPFILES $tmp

  3560.     eval $1=$tmp

  3561. }

  3562. 

  3563. trap 'rm -f -- $TMPFILES' EXIT

  3564. 

  3565. tmpfile TMPASM .asm

  3566. tmpfile TMPC   .c

  3567. tmpfile TMPCPP .cpp

  3568. tmpfile TMPE   $EXESUF

  3569. tmpfile TMPH   .h

  3570. tmpfile TMPM   .m

  3571. tmpfile TMPO   .o

  3572. tmpfile TMPS   .S

  3573. tmpfile TMPSH  .sh

  3574. tmpfile TMPV   .ver

  3575. 

  3576. unset -f mktemp

  3577. 

  3578. chmod +x $TMPE

  3579. 

  3580. # make sure we can execute files in $TMPDIR

  3581. cat > $TMPSH 2>> $logfile <<EOF

  3582. #! /bin/sh

  3583. EOF

  3584. chmod +x $TMPSH >> $logfile 2>&1

  3585. if ! $TMPSH >> $logfile 2>&1; then

  3586.     cat <<EOF

  3587. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3588. variable to another directory and make sure that it is not mounted noexec.

  3589. EOF

  3590.     die "Sanity test failed."

  3591. fi

  3592. 

  3593. armasm_flags(){

  3594.     for flag; do

  3595.         case $flag in

  3596.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3597.             # be passed to gas-preprocessor

  3598.             -M[TD]*)                                            ;;

  3599.             *)                  echo $flag                      ;;

  3600.         esac

  3601.    done

  3602. }

  3603. 

  3604. ccc_flags(){

  3605.     for flag; do

  3606.         case $flag in

  3607.             -std=c99)           echo -c99                       ;;

  3608.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3609.             -mieee)             echo -ieee                      ;;

  3610.             -O*|-fast)          echo $flag                      ;;

  3611.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3612.             -g)                 echo -g3                        ;;

  3613.             -Wall)              echo -msg_enable level2         ;;

  3614.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3615.             -Wl,*)              echo $flag                      ;;

  3616.             -f*|-W*)                                            ;;

  3617.             *)                  echo $flag                      ;;

  3618.         esac

  3619.    done

  3620. }

  3621. 

  3622. cparser_flags(){

  3623.     for flag; do

  3624.         case $flag in

  3625.             -Wno-switch)             echo -Wno-switch-enum ;;

  3626.             -Wno-format-zero-length) ;;

  3627.             -Wdisabled-optimization) ;;

  3628.             -Wno-pointer-sign)       echo -Wno-other ;;

  3629.             *)                       echo $flag ;;

  3630.         esac

  3631.     done

  3632. }

  3633. 

  3634. msvc_common_flags(){

  3635.     for flag; do

  3636.         case $flag in

  3637.             # In addition to specifying certain flags under the compiler

  3638.             # specific filters, they must be specified here as well or else the

  3639.             # generic catch all at the bottom will print the original flag.

  3640.             -Wall)                ;;

  3641.             -std=c99)             ;;

  3642.             # Common flags

  3643.             -fomit-frame-pointer) ;;

  3644.             -g)                   echo -Z7 ;;

  3645.             -fno-math-errno)      ;;

  3646.             -fno-common)          ;;

  3647.             -fno-signed-zeros)    ;;

  3648.             -fPIC)                ;;

  3649.             -mthumb)              ;;

  3650.             -march=*)             ;;

  3651.             -lz)                  echo zlib.lib ;;

  3652.             -lavifil32)           echo vfw32.lib ;;

  3653.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3654.             -lx264)               echo libx264.lib ;;

  3655.             -l*)                  echo ${flag#-l}.lib ;;

  3656.             -LARGEADDRESSAWARE)   echo $flag ;;

  3657.             -L*)                  echo -libpath:${flag#-L} ;;

  3658.             *)                    echo $flag ;;

  3659.         esac

  3660.     done

  3661. }

  3662. 

  3663. msvc_flags(){

  3664.     msvc_common_flags "$@"

  3665.     for flag; do

  3666.         case $flag in

  3667.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3668.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3669.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3670.                                        -wd4307 \

  3671.                                        -wd4273 -wd4554 -wd4701 ;;

  3672.         esac

  3673.     done

  3674. }

  3675. 

  3676. icl_flags(){

  3677.     msvc_common_flags "$@"

  3678.     for flag; do

  3679.         case $flag in

  3680.             # Despite what Intel's documentation says -Wall, which is supported

  3681.             # on Windows, does enable remarks so disable them here.

  3682.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3683.             -std=c99)             echo -Qstd=c99 ;;

  3684.             -flto)                echo -ipo ;;

  3685.         esac

  3686.     done

  3687. }

  3688. 

  3689. icc_flags(){

  3690.     for flag; do

  3691.         case $flag in

  3692.             -flto)                echo -ipo ;;

  3693.             *)                    echo $flag ;;

  3694.         esac

  3695.     done

  3696. }

  3697. 

  3698. pgi_flags(){

  3699.     for flag; do

  3700.         case $flag in

  3701.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3702.             -fomit-frame-pointer) echo -Mnoframe ;;

  3703.             -g)                   echo -gopt ;;

  3704.             *)                    echo $flag ;;

  3705.         esac

  3706.     done

  3707. }

  3708. 

  3709. suncc_flags(){

  3710.     for flag; do

  3711.         case $flag in

  3712.             -march=*|-mcpu=*)

  3713.                 case "${flag#*=}" in

  3714.                     native)                   echo -xtarget=native       ;;

  3715.                     v9|niagara)               echo -xarch=sparc          ;;

  3716.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3717.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3718.                     i586|pentium)             echo -xchip=pentium        ;;

  3719.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3720.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3721.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3722.                     pentium4*)          echo -xtarget=pentium4           ;;

  3723.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3724.                     *-sse3)             echo -xarch=sse3                 ;;

  3725.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3726.                     bonnell)                   echo -xarch=ssse3         ;;

  3727.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3728.                     westmere)                  echo -xtarget=westmere    ;;

  3729.                     silvermont)                echo -xarch=sse4_2        ;;

  3730.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3731.                     core-avx*|ivybridge|haswell|broadwell)

  3732.                                                echo -xarch=avx           ;;

  3733.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3734.                     btver1)                    echo -xarch=amdsse4a      ;;

  3735.                     btver2|bdver*)             echo -xarch=avx           ;;

  3736.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3737.                     k8|opteron|athlon64|athlon-fx)

  3738.                                                echo -xarch=sse2a         ;;

  3739.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3740.                 esac

  3741.                 ;;

  3742.             -std=c99)             echo -xc99              ;;

  3743.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3744.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3745.             -W*,*)                echo $flag              ;;

  3746.             -f*-*|-W*|-mimpure-text)                      ;;

  3747.             -shared)              echo -G                 ;;

  3748.             *)                    echo $flag              ;;

  3749.         esac

  3750.     done

  3751. }

  3752. 

  3753. tms470_flags(){

  3754.     for flag; do

  3755.         case $flag in

  3756.             -march=*|-mcpu=*)

  3757.                 case "${flag#*=}" in

  3758.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3759.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3760.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3761.                     armv6*|arm11*)          echo -mv=6   ;;

  3762.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3763.                                             echo -mv=5e  ;;

  3764.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3765.                 esac

  3766.                 ;;

  3767.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3768.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3769.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3770.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3771.             -msoft-float)   echo --float_support=vfplib       ;;

  3772.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3773.             -g)             echo -g -mn                       ;;

  3774.             -pds=*)         echo $flag                        ;;

  3775.             -D*|-I*)        echo $flag                        ;;

  3776.             --gcc|--abi=*)  echo $flag                        ;;

  3777.             -me)            echo $flag                        ;;

  3778.         esac

  3779.     done

  3780. }

  3781. 

  3782. probe_cc(){

  3783.     pfx=$1

  3784.     _cc=$2

  3785.     first=$3

  3786. 

  3787.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3788.     unset _ld_o _ldflags _ld_lib _ld_path

  3789.     unset _depflags _DEPCMD _DEPFLAGS

  3790.     _flags_filter=echo

  3791. 

  3792.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3793.         true # no-op to avoid reading stdin in following checks

  3794.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3795.         _type=llvm_gcc

  3796.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3797.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3798.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3799.         _cflags_speed='-O3'

  3800.         _cflags_size='-Os'

  3801.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3802.         _type=gcc

  3803.         gcc_version=$($_cc --version | head -n1)

  3804.         gcc_basever=$($_cc -dumpversion)

  3805.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3806.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3807.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3808.         case $gcc_basever in

  3809.             2) ;;

  3810.             2.*) ;;

  3811.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3812.         esac

  3813.         if [ "$first" = true ]; then

  3814.             case $gcc_basever in

  3815.                 4.2*)

  3816.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3817.             esac

  3818.         fi

  3819.         _cflags_speed='-O3'

  3820.         _cflags_size='-Os'

  3821.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3822.         _type=icc

  3823.         _ident=$($_cc --version | head -n1)

  3824.         _depflags='-MMD'

  3825.         _cflags_speed='-O3'

  3826.         _cflags_size='-Os'

  3827.         _cflags_noopt='-O1'

  3828.         _flags_filter=icc_flags

  3829.     elif $_cc -v 2>&1 | grep -q xlc; then

  3830.         _type=xlc

  3831.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3832.         _cflags_speed='-O5'

  3833.         _cflags_size='-O5 -qcompact'

  3834.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3835.         _type=ccc

  3836.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3837.         _DEPFLAGS='-M'

  3838.         _cflags_speed='-fast'

  3839.         _cflags_size='-O1'

  3840.         _flags_filter=ccc_flags

  3841.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3842.         test -d "$sysroot" || die "No valid sysroot specified."

  3843.         _type=armcc

  3844.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3845.         armcc_conf="$PWD/armcc.conf"

  3846.         $_cc --arm_linux_configure                 \

  3847.              --arm_linux_config_file="$armcc_conf" \

  3848.              --configure_sysroot="$sysroot"        \

  3849.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3850.              die "Error creating armcc configuration file."

  3851.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3852.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3853.         as_default="${cross_prefix}gcc"

  3854.         _depflags='-MMD'

  3855.         _cflags_speed='-O3'

  3856.         _cflags_size='-Os'

  3857.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3858.         _type=tms470

  3859.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3860.         _flags='--gcc --abi=eabi -me'

  3861.         _cc_e='-ppl -fe=$@'

  3862.         _cc_o='-fe=$@'

  3863.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3864.         _cflags_speed='-O3 -mf=5'

  3865.         _cflags_size='-O3 -mf=2'

  3866.         _flags_filter=tms470_flags

  3867.     elif $_cc -v 2>&1 | grep -q clang; then

  3868.         _type=clang

  3869.         _ident=$($_cc --version 2>/dev/null | head -n1)

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

  3871.         _cflags_speed='-O3'

  3872.         _cflags_size='-Os'

  3873.     elif $_cc -V 2>&1 | grep -q Sun; then

  3874.         _type=suncc

  3875.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3876.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3877.         _DEPFLAGS='-xM1 -xc99'

  3878.         _ldflags='-std=c99'

  3879.         _cflags_speed='-O5'

  3880.         _cflags_size='-O5 -xspace'

  3881.         _flags_filter=suncc_flags

  3882.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3883.         _type=pathscale

  3884.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3885.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3886.         _cflags_speed='-O2'

  3887.         _cflags_size='-Os'

  3888.         _flags_filter='filter_out -Wdisabled-optimization'

  3889.     elif $_cc -v 2>&1 | grep -q Open64; then

  3890.         _type=open64

  3891.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3892.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3893.         _cflags_speed='-O2'

  3894.         _cflags_size='-Os'

  3895.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3896.     elif $_cc -V 2>&1 | grep -q Portland; then

  3897.         _type=pgi

  3898.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3899.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3900.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3901.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3902.         _cflags_noopt="-O"

  3903.         _flags_filter=pgi_flags

  3904.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3905.         _type=armasm

  3906.         _ident=$($_cc | head -n1)

  3907.         # 4509: "This form of conditional instruction is deprecated"

  3908.         _flags="-nologo -ignore 4509"

  3909.         _flags_filter=armasm_flags

  3910.     elif $_cc 2>&1 | grep -q Intel; then

  3911.         _type=icl

  3912.         _ident=$($_cc 2>&1 | head -n1)

  3913.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3914.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3915.         # versions (tested) as well.

  3916.         _cflags_speed="-O2"

  3917.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3918.         if $_cc 2>&1 | grep -q Linker; then

  3919.             _ld_o='-out:$@'

  3920.         else

  3921.             _ld_o='-Fe$@'

  3922.         fi

  3923.         _cc_o='-Fo$@'

  3924.         _cc_e='-P'

  3925.         _flags_filter=icl_flags

  3926.         _ld_lib='lib%.a'

  3927.         _ld_path='-libpath:'

  3928.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3929.         _flags='-nologo -Qdiag-error:4044,10157'

  3930.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3931.         # with MSVC which enables it by default.

  3932.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3933.         disable stripping

  3934.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3935.         _type=msvc

  3936.         _ident=$($_cc 2>&1 | head -n1)

  3937.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3938.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3939.         _cflags_speed="-O2"

  3940.         _cflags_size="-O1"

  3941.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3942.             _ld_o='-out:$@'

  3943.         else

  3944.             _ld_o='-Fe$@'

  3945.         fi

  3946.         _cc_o='-Fo$@'

  3947.         _cc_e='-P -Fi$@'

  3948.         _flags_filter=msvc_flags

  3949.         _ld_lib='lib%.a'

  3950.         _ld_path='-libpath:'

  3951.         _flags='-nologo'

  3952.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3953.         disable stripping

  3954.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3955.         _type=cparser

  3956.         _ident=$($_cc --version | head -n1)

  3957.         _depflags='-MMD'

  3958.         _cflags_speed='-O4'

  3959.         _cflags_size='-O2'

  3960.         _flags_filter=cparser_flags

  3961.     fi

  3962. 

  3963.     eval ${pfx}_type=\$_type

  3964.     eval ${pfx}_ident=\$_ident

  3965. }

  3966. 

  3967. set_ccvars(){

  3968.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3969.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3970.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3971. 

  3972.     if [ -n "$_depflags" ]; then

  3973.         eval ${1}_DEPFLAGS=\$_depflags

  3974.     else

  3975.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3976.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3977.         eval DEP${1}FLAGS=\$_flags

  3978.     fi

  3979. }

  3980. 

  3981. probe_cc cc "$cc" "true"

  3982. cflags_filter=$_flags_filter

  3983. cflags_speed=$_cflags_speed

  3984. cflags_size=$_cflags_size

  3985. cflags_noopt=$_cflags_noopt

  3986. add_cflags $_flags $_cflags

  3987. cc_ldflags=$_ldflags

  3988. set_ccvars CC

  3989. 

  3990. probe_cc hostcc "$host_cc"

  3991. host_cflags_filter=$_flags_filter

  3992. add_host_cflags  $_flags $_cflags

  3993. set_ccvars HOSTCC

  3994. 

  3995. test -n "$cc_type" && enable $cc_type ||

  3996.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3997. 

  3998. : ${as_default:=$cc}

  3999. : ${objcc_default:=$cc}

  4000. : ${dep_cc_default:=$cc}

  4001. : ${ld_default:=$cc}

  4002. : ${host_ld_default:=$host_cc}

  4003. set_default ar as objcc dep_cc ld host_ld windres

  4004. 

  4005. probe_cc as "$as"

  4006. asflags_filter=$_flags_filter

  4007. add_asflags $_flags $_cflags

  4008. set_ccvars AS

  4009. 

  4010. probe_cc objcc "$objcc"

  4011. objcflags_filter=$_flags_filter

  4012. add_objcflags $_flags $_cflags

  4013. set_ccvars OBJC

  4014. 

  4015. probe_cc ld "$ld"

  4016. ldflags_filter=$_flags_filter

  4017. add_ldflags $_flags $_ldflags

  4018. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4019. LD_O=${_ld_o-$LD_O}

  4020. LD_LIB=${_ld_lib-$LD_LIB}

  4021. LD_PATH=${_ld_path-$LD_PATH}

  4022. 

  4023. probe_cc hostld "$host_ld"

  4024. host_ldflags_filter=$_flags_filter

  4025. add_host_ldflags $_flags $_ldflags

  4026. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4027. 

  4028. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4029.     probe_cc depcc "$dep_cc"

  4030.     CCDEP=${_DEPCMD:-$DEPCMD}

  4031.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4032.     DEPCCFLAGS=$_flags

  4033. fi

  4034. 

  4035. if $ar 2>&1 | grep -q Microsoft; then

  4036.     arflags="-nologo"

  4037.     ar_o='-out:$@'

  4038. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  4039.     arflags="rq"

  4040.     ar_o='$@'

  4041. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  4042.     arflags='-Xany -r -c'

  4043.     ar_o='$@'

  4044. elif $ar 2>&1 | grep -q "\[D\] "; then

  4045.     arflags="rcD"

  4046.     ar_o='$@'

  4047. else

  4048.     arflags="rc"

  4049.     ar_o='$@'

  4050. fi

  4051. 

  4052. add_cflags $extra_cflags

  4053. add_cxxflags $extra_cxxflags

  4054. add_objcflags $extra_objcflags

  4055. add_asflags $extra_cflags

  4056. 

  4057. if test -n "$sysroot"; then

  4058.     case "$cc_type" in

  4059.         gcc|llvm_gcc|clang)

  4060.             add_cppflags --sysroot="$sysroot"

  4061.             add_ldflags --sysroot="$sysroot"

  4062. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  4063.             add_cppflags -isysroot "$sysroot"

  4064.             add_ldflags -isysroot "$sysroot"

  4065.         ;;

  4066.         tms470)

  4067.             add_cppflags -I"$sysinclude"

  4068.             add_ldflags  --sysroot="$sysroot"

  4069.         ;;

  4070.     esac

  4071. fi

  4072. 

  4073. if test "$cpu" = host; then

  4074.     enabled cross_compile &&

  4075.         die "--cpu=host makes no sense when cross-compiling."

  4076. 

  4077.     case "$cc_type" in

  4078.         gcc|llvm_gcc)

  4079.             check_native(){

  4080.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4081.                 sed -n "/cc1.*$1=/{

  4082.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4083.                             p

  4084.                             q

  4085.                         }" $TMPE

  4086.             }

  4087.             cpu=$(check_native -march || check_native -mcpu)

  4088.         ;;

  4089.         clang)

  4090.             check_native(){

  4091.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4092.                 sed -n "/cc1.*-target-cpu /{

  4093.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4094.                             p

  4095.                             q

  4096.                         }" $TMPE

  4097.             }

  4098.             cpu=$(check_native -march)

  4099.         ;;

  4100.     esac

  4101. 

  4102.     test "${cpu:-host}" = host &&

  4103.         die "--cpu=host not supported with compiler $cc"

  4104. fi

  4105. 

  4106. # Deal with common $arch aliases

  4107. case "$arch" in

  4108.     aarch64|arm64)

  4109.         arch="aarch64"

  4110.     ;;

  4111.     arm*|iPad*|iPhone*)

  4112.         arch="arm"

  4113.     ;;

  4114.     mips*|IP*)

  4115.         case "$arch" in

  4116.         *el)

  4117.             add_cppflags -EL

  4118.             add_ldflags -EL

  4119.         ;;

  4120.         *eb)

  4121.             add_cppflags -EB

  4122.             add_ldflags -EB

  4123.         ;;

  4124.         esac

  4125.         arch="mips"

  4126.     ;;

  4127.     parisc*|hppa*)

  4128.         arch="parisc"

  4129.     ;;

  4130.     "Power Macintosh"|ppc*|powerpc*)

  4131.         arch="ppc"

  4132.     ;;

  4133.     s390|s390x)

  4134.         arch="s390"

  4135.     ;;

  4136.     sh4|sh)

  4137.         arch="sh4"

  4138.     ;;

  4139.     sun4u|sparc*)

  4140.         arch="sparc"

  4141.     ;;

  4142.     tilegx|tile-gx)

  4143.         arch="tilegx"

  4144.     ;;

  4145.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4146.         arch="x86"

  4147.     ;;

  4148. esac

  4149. 

  4150. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4151. enable $arch

  4152. 

  4153. # Add processor-specific flags

  4154. if enabled aarch64; then

  4155. 

  4156.     case $cpu in

  4157.         armv*)

  4158.             cpuflags="-march=$cpu"

  4159.         ;;

  4160.         *)

  4161.             cpuflags="-mcpu=$cpu"

  4162.         ;;

  4163.     esac

  4164. 

  4165. elif enabled alpha; then

  4166. 

  4167.     cpuflags="-mcpu=$cpu"

  4168. 

  4169. elif enabled arm; then

  4170. 

  4171.     check_arm_arch() {

  4172.         check_cpp_condition stddef.h \

  4173.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4174.             $cpuflags

  4175.     }

  4176. 

  4177.     probe_arm_arch() {

  4178.         if   check_arm_arch 4;        then echo armv4;

  4179.         elif check_arm_arch 4T;       then echo armv4t;

  4180.         elif check_arm_arch 5;        then echo armv5;

  4181.         elif check_arm_arch 5E;       then echo armv5e;

  4182.         elif check_arm_arch 5T;       then echo armv5t;

  4183.         elif check_arm_arch 5TE;      then echo armv5te;

  4184.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4185.         elif check_arm_arch 6;        then echo armv6;

  4186.         elif check_arm_arch 6J;       then echo armv6j;

  4187.         elif check_arm_arch 6K;       then echo armv6k;

  4188.         elif check_arm_arch 6Z;       then echo armv6z;

  4189.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4190.         elif check_arm_arch 6T2;      then echo armv6t2;

  4191.         elif check_arm_arch 7;        then echo armv7;

  4192.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4193.         elif check_arm_arch 7S;       then echo armv7-a;

  4194.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4195.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4196.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4197.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4198.         fi

  4199.     }

  4200. 

  4201.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4202. 

  4203.     case $cpu in

  4204.         armv*)

  4205.             cpuflags="-march=$cpu"

  4206.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4207.         ;;

  4208.         *)

  4209.             cpuflags="-mcpu=$cpu"

  4210.             case $cpu in

  4211.                 cortex-a*)                               subarch=armv7a  ;;

  4212.                 cortex-r*)                               subarch=armv7r  ;;

  4213.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4214.                 arm11*)                                  subarch=armv6   ;;

  4215.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4216.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4217.                 *)                             subarch=$(probe_arm_arch) ;;

  4218.             esac

  4219.         ;;

  4220.     esac

  4221. 

  4222.     case "$subarch" in

  4223.         armv5t*)    enable fast_clz                ;;

  4224.         armv[6-8]*)

  4225.             enable fast_clz

  4226.             disabled fast_unaligned || enable fast_unaligned

  4227.             ;;

  4228.     esac

  4229. 

  4230. elif enabled avr32; then

  4231. 

  4232.     case $cpu in

  4233.         ap7[02]0[0-2])

  4234.             subarch="avr32_ap"

  4235.             cpuflags="-mpart=$cpu"

  4236.         ;;

  4237.         ap)

  4238.             subarch="avr32_ap"

  4239.             cpuflags="-march=$cpu"

  4240.         ;;

  4241.         uc3[ab]*)

  4242.             subarch="avr32_uc"

  4243.             cpuflags="-mcpu=$cpu"

  4244.         ;;

  4245.         uc)

  4246.             subarch="avr32_uc"

  4247.             cpuflags="-march=$cpu"

  4248.         ;;

  4249.     esac

  4250. 

  4251. elif enabled bfin; then

  4252. 

  4253.     cpuflags="-mcpu=$cpu"

  4254. 

  4255. elif enabled mips; then

  4256. 

  4257.     cpuflags="-march=$cpu"

  4258. 

  4259.     if [ "$cpu" != "generic" ]; then

  4260.         disable mips32r2

  4261.         disable mips32r5

  4262.         disable mips64r2

  4263.         disable mips32r6

  4264.         disable mips64r6

  4265.         disable loongson2

  4266.         disable loongson3

  4267. 

  4268.         case $cpu in

  4269.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4270.                 enable mips32r2

  4271.                 disable msa

  4272.             ;;

  4273.             p5600|i6400)

  4274.                 disable mipsdsp

  4275.                 disable mipsdspr2

  4276.             ;;

  4277.             loongson*)

  4278.                 enable loongson2

  4279.                 enable loongson3

  4280.                 enable local_aligned_8 local_aligned_16 local_aligned_32

  4281.                 enable simd_align_16

  4282.                 enable fast_64bit

  4283.                 enable fast_clz

  4284.                 enable fast_cmov

  4285.                 enable fast_unaligned

  4286.                 disable aligned_stack

  4287.                 case $cpu in

  4288.                     loongson3*)

  4289.                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4290.                     ;;

  4291.                     loongson2e)

  4292.                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4293.                     ;;

  4294.                     loongson2f)

  4295.                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4296.                     ;;

  4297.                 esac

  4298.             ;;

  4299.             *)

  4300.                 # Unknown CPU. Disable everything.

  4301.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4302.                 disable mipsfpu

  4303.                 disable mipsdsp

  4304.                 disable mipsdspr2

  4305.                 disable msa

  4306.                 disable mmi

  4307.             ;;

  4308.         esac

  4309. 

  4310.         case $cpu in

  4311.             24kc)

  4312.                 disable mipsfpu

  4313.                 disable mipsdsp

  4314.                 disable mipsdspr2

  4315.             ;;

  4316.             24kf*)

  4317.                 disable mipsdsp

  4318.                 disable mipsdspr2

  4319.             ;;

  4320.             24kec|34kc|1004kc)

  4321.                 disable mipsfpu

  4322.                 disable mipsdspr2

  4323.             ;;

  4324.             24kef*|34kf*|1004kf*)

  4325.                 disable mipsdspr2

  4326.             ;;

  4327.             74kc)

  4328.                 disable mipsfpu

  4329.             ;;

  4330.             p5600)

  4331.                 enable mips32r5

  4332.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4333.             ;;

  4334.             i6400)

  4335.                 enable mips64r6

  4336.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4337.             ;;

  4338.         esac

  4339.     else

  4340.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4341.         warn 'generic cpu selected'

  4342.     fi

  4343. 

  4344. elif enabled ppc; then

  4345. 

  4346.     disable ldbrx

  4347. 

  4348.     case $(tolower $cpu) in

  4349.         601|ppc601|powerpc601)

  4350.             cpuflags="-mcpu=601"

  4351.             disable altivec

  4352.         ;;

  4353.         603*|ppc603*|powerpc603*)

  4354.             cpuflags="-mcpu=603"

  4355.             disable altivec

  4356.         ;;

  4357.         604*|ppc604*|powerpc604*)

  4358.             cpuflags="-mcpu=604"

  4359.             disable altivec

  4360.         ;;

  4361.         g3|75*|ppc75*|powerpc75*)

  4362.             cpuflags="-mcpu=750"

  4363.             disable altivec

  4364.         ;;

  4365.         g4|745*|ppc745*|powerpc745*)

  4366.             cpuflags="-mcpu=7450"

  4367.             disable vsx

  4368.         ;;

  4369.         74*|ppc74*|powerpc74*)

  4370.             cpuflags="-mcpu=7400"

  4371.             disable vsx

  4372.         ;;

  4373.         g5|970|ppc970|powerpc970)

  4374.             cpuflags="-mcpu=970"

  4375.             disable vsx

  4376.         ;;

  4377.         power[3-6]*)

  4378.             cpuflags="-mcpu=$cpu"

  4379.             disable vsx

  4380.         ;;

  4381.         power[7-8]*)

  4382.             cpuflags="-mcpu=$cpu"

  4383.         ;;

  4384.         cell)

  4385.             cpuflags="-mcpu=cell"

  4386.             enable ldbrx

  4387.             disable vsx

  4388.         ;;

  4389.         e500mc)

  4390.             cpuflags="-mcpu=e500mc"

  4391.             disable altivec

  4392.         ;;

  4393.         e500v2)

  4394.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4395.             disable altivec

  4396.             disable dcbzl

  4397.         ;;

  4398.         e500)

  4399.             cpuflags="-mcpu=8540 -mhard-float"

  4400.             disable altivec

  4401.             disable dcbzl

  4402.         ;;

  4403.     esac

  4404. 

  4405. elif enabled sparc; then

  4406. 

  4407.     case $cpu in

  4408.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4409.             cpuflags="-mcpu=$cpu"

  4410.         ;;

  4411.         ultrasparc*|niagara[234])

  4412.             cpuflags="-mcpu=$cpu"

  4413.         ;;

  4414.     esac

  4415. 

  4416. elif enabled x86; then

  4417. 

  4418.     case $cpu in

  4419.         i[345]86|pentium)

  4420.             cpuflags="-march=$cpu"

  4421.             disable i686

  4422.             disable mmx

  4423.         ;;

  4424.         # targets that do NOT support nopl and conditional mov (cmov)

  4425.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4426.             cpuflags="-march=$cpu"

  4427.             disable i686

  4428.         ;;

  4429.         # targets that do support nopl and conditional mov (cmov)

  4430.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4431.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4432.             cpuflags="-march=$cpu"

  4433.             enable i686

  4434.             enable fast_cmov

  4435.         ;;

  4436.         # targets that do support conditional mov but on which it's slow

  4437.         pentium4|pentium4m|prescott|nocona)

  4438.             cpuflags="-march=$cpu"

  4439.             enable i686

  4440.             disable fast_cmov

  4441.         ;;

  4442.     esac

  4443. 

  4444. fi

  4445. 

  4446. if [ "$cpu" != generic ]; then

  4447.     add_cflags  $cpuflags

  4448.     add_asflags $cpuflags

  4449.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4450. fi

  4451. 

  4452. # compiler sanity check

  4453. check_exec <<EOF

  4454. int main(void){ return 0; }

  4455. EOF

  4456. if test "$?" != 0; then

  4457.     echo "$cc is unable to create an executable file."

  4458.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4459.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4460.         echo "Only do this if you know what cross compiling means."

  4461.     fi

  4462.     die "C compiler test failed."

  4463. fi

  4464. 

  4465. add_cppflags -D_ISOC99_SOURCE

  4466. add_cxxflags -D__STDC_CONSTANT_MACROS

  4467. check_cflags -std=c99

  4468. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4469. #include <stdlib.h>

  4470. EOF

  4471. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4472. #include <stdlib.h>

  4473. EOF

  4474. 

  4475. add_host_cppflags -D_ISOC99_SOURCE

  4476. check_host_cflags -std=c99

  4477. check_host_cflags -Wall

  4478. check_host_cflags -O3

  4479. 

  4480. check_64bit(){

  4481.     arch32=$1

  4482.     arch64=$2

  4483.     expr=$3

  4484.     check_code cc "" "int test[2*($expr) - 1]" &&

  4485.         subarch=$arch64 || subarch=$arch32

  4486. }

  4487. 

  4488. case "$arch" in

  4489.     aarch64|alpha|ia64)

  4490.         spic=$shared

  4491.     ;;

  4492.     mips)

  4493.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4494.         spic=$shared

  4495.     ;;

  4496.     parisc)

  4497.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4498.         spic=$shared

  4499.     ;;

  4500.     ppc)

  4501.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4502.         spic=$shared

  4503.     ;;

  4504.     s390)

  4505.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4506.         spic=$shared

  4507.     ;;

  4508.     sparc)

  4509.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4510.         spic=$shared

  4511.     ;;

  4512.     x86)

  4513.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4514.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4515.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4516.             subarch=x86_64

  4517.         if test "$subarch" = "x86_64"; then

  4518.             spic=$shared

  4519.         fi

  4520.     ;;

  4521.     ppc)

  4522.         check_cc <<EOF && subarch="ppc64"

  4523.         int test[(int)sizeof(char*) - 7];

  4524. EOF

  4525.     ;;

  4526. esac

  4527. 

  4528. enable $subarch

  4529. enabled spic && enable_weak pic

  4530. 

  4531. # OS specific

  4532. case $target_os in

  4533.     aix)

  4534.         SHFLAGS=-shared

  4535.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4536.         enabled shared && add_ldflags -Wl,-brtl

  4537.         ;;

  4538.     android)

  4539.         disable symver

  4540.         enable section_data_rel_ro

  4541.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4542.         SLIB_INSTALL_LINKS=

  4543.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4544.         ;;

  4545.     haiku)

  4546.         prefix_default="/boot/common"

  4547.         network_extralibs="-lnetwork"

  4548.         host_libs=

  4549.         ;;

  4550.     sunos)

  4551.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4552.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4553.         network_extralibs="-lsocket -lnsl"

  4554.         add_cppflags -D__EXTENSIONS__

  4555.         # When using suncc to build, the Solaris linker will mark

  4556.         # an executable with each instruction set encountered by

  4557.         # the Solaris assembler.  As our libraries contain their own

  4558.         # guards for processor-specific code, instead suppress

  4559.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4560.         enabled_all suncc x86 &&

  4561.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4562.             add_ldflags -Wl,-M,mapfile

  4563.         nm_default='nm -P -g'

  4564.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4565.         ;;

  4566.     netbsd)

  4567.         disable symver

  4568.         oss_indev_extralibs="-lossaudio"

  4569.         oss_outdev_extralibs="-lossaudio"

  4570.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4571.         ;;

  4572.     openbsd|bitrig)

  4573.         disable symver

  4574.         SHFLAGS='-shared'

  4575.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4576.         SLIB_INSTALL_LINKS=

  4577.         oss_indev_extralibs="-lossaudio"

  4578.         oss_outdev_extralibs="-lossaudio"

  4579.         ;;

  4580.     dragonfly)

  4581.         disable symver

  4582.         ;;

  4583.     freebsd)

  4584.         ;;

  4585.     bsd/os)

  4586.         add_extralibs -lpoll -lgnugetopt

  4587.         strip="strip -d"

  4588.         ;;

  4589.     darwin)

  4590.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4591.         install_name_dir_default='$(SHLIBDIR)'

  4592.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4593.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4594.         strip="${strip} -x"

  4595.         add_ldflags -Wl,-dynamic,-search_paths_first

  4596.         SLIBSUF=".dylib"

  4597.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4598.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4599.         objformat="macho"

  4600.         enabled x86_64 && objformat="macho64"

  4601.         enabled_any pic shared x86_64 ||

  4602.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4603.         check_header dispatch/dispatch.h

  4604.         ;;

  4605.     msys*)

  4606.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4607.         ;;

  4608.     mingw32*|mingw64*)

  4609.         if test $target_os = "mingw32ce"; then

  4610.             disable network

  4611.         else

  4612.             target_os=mingw32

  4613.         fi

  4614.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4615.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4616.         LIBTARGET=i386

  4617.         if enabled x86_64; then

  4618.             LIBTARGET="i386:x86-64"

  4619.         elif enabled arm; then

  4620.             LIBTARGET=arm-wince

  4621.         fi

  4622.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4623.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4624.         shlibdir_default="$bindir_default"

  4625.         SLIBPREF=""

  4626.         SLIBSUF=".dll"

  4627.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4628.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4629.         dlltool="${cross_prefix}dlltool"

  4630.         if check_cmd lib.exe -list; then

  4631.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4632.             if enabled x86_64; then

  4633.                 LIBTARGET=x64

  4634.             fi

  4635.         elif check_cmd $dlltool --version; then

  4636.             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)'

  4637.         fi

  4638.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4639.         SLIB_INSTALL_LINKS=

  4640.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4641.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4642.         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'

  4643.         objformat="win32"

  4644.         ranlib=:

  4645.         enable dos_paths

  4646.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4647.         # Lets work around some stupidity in binutils.

  4648.         # ld will strip relocations from executables even though we need them

  4649.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4650.         # however ld then forgets what the entry point should be (oops) so we

  4651.         # have to manually (re)set it.

  4652.         if enabled x86_32; then

  4653.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4654.         elif enabled x86_64; then

  4655.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4656.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4657.             # Set image base >4GB for extra entropy with HEASLR

  4658.             add_ldexeflags -Wl,--image-base,0x140000000

  4659.             append SHFLAGS -Wl,--image-base,0x180000000

  4660.         fi

  4661.         ;;

  4662.     win32|win64)

  4663.         disable symver

  4664.         if enabled shared; then

  4665.             # Link to the import library instead of the normal static library

  4666.             # for shared libs.

  4667.             LD_LIB='%.lib'

  4668.             # Cannot build both shared and static libs with MSVC or icl.

  4669.             disable static

  4670.         fi

  4671.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4672.         shlibdir_default="$bindir_default"

  4673.         SLIBPREF=""

  4674.         SLIBSUF=".dll"

  4675.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4676.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4677.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4678.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4679.         SLIB_INSTALL_LINKS=

  4680.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4681.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4682.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4683.         objformat="win32"

  4684.         ranlib=:

  4685.         enable dos_paths

  4686.         ;;

  4687.     cygwin*)

  4688.         target_os=cygwin

  4689.         shlibdir_default="$bindir_default"

  4690.         SLIBPREF="cyg"

  4691.         SLIBSUF=".dll"

  4692.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4693.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4694.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4695.         SLIB_INSTALL_LINKS=

  4696.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4697.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4698.         objformat="win32"

  4699.         enable dos_paths

  4700.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4701.         ;;

  4702.     *-dos|freedos|opendos)

  4703.         network_extralibs="-lsocket"

  4704.         objformat="coff"

  4705.         enable dos_paths

  4706.         add_cppflags -U__STRICT_ANSI__

  4707.         ;;

  4708.     linux)

  4709.         enable dv1394

  4710.         enable section_data_rel_ro

  4711.         ;;

  4712.     irix*)

  4713.         target_os=irix

  4714.         ranlib="echo ignoring ranlib"

  4715.         ;;

  4716.     os/2*)

  4717.         strip="lxlite -CS"

  4718.         ln_s="cp -f"

  4719.         objformat="aout"

  4720.         add_cppflags -D_GNU_SOURCE

  4721.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4722.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4723.         LIBSUF="_s.a"

  4724.         SLIBPREF=""

  4725.         SLIBSUF=".dll"

  4726.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4727.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4728.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4729.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4730.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4731.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4732.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4733.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4734.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4735.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4736.         enable dos_paths

  4737.         enable_weak os2threads

  4738.         ;;

  4739.     gnu/kfreebsd)

  4740.         add_cppflags -D_BSD_SOURCE

  4741.         ;;

  4742.     gnu)

  4743.         ;;

  4744.     qnx)

  4745.         add_cppflags -D_QNX_SOURCE

  4746.         network_extralibs="-lsocket"

  4747.         ;;

  4748.     symbian)

  4749.         SLIBSUF=".dll"

  4750.         enable dos_paths

  4751.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4752.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4753.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4754.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4755.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4756.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4757.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4758.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4759.         ;;

  4760.     osf1)

  4761.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4762.         ;;

  4763.     minix)

  4764.         ;;

  4765.     plan9)

  4766.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4767.                      -D_REENTRANT_SOURCE        \

  4768.                      -D_RESEARCH_SOURCE         \

  4769.                      -DFD_SETSIZE=96            \

  4770.                      -DHAVE_SOCK_OPTS

  4771.         add_compat strtod.o strtod=avpriv_strtod

  4772.         network_extralibs='-lbsd'

  4773.         exeobjs=compat/plan9/main.o

  4774.         disable ffserver

  4775.         cp_f='cp'

  4776.         ;;

  4777.     none)

  4778.         ;;

  4779.     *)

  4780.         die "Unknown OS '$target_os'."

  4781.         ;;

  4782. esac

  4783. 

  4784. # test if creating links works

  4785. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4786. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4787. mkdir "$link_dest"

  4788. $ln_s "$link_dest" "$link_name"

  4789. touch "$link_dest/test_file"

  4790. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4791.     # create link to source path

  4792.     [ -e src ] && rm src

  4793.     $ln_s "$source_path" src

  4794.     source_link=src

  4795. else

  4796.     # creating directory links doesn't work

  4797.     # fall back to using the full source path

  4798.     source_link="$source_path"

  4799. fi

  4800. # cleanup

  4801. rm -r "$link_dest"

  4802. rm -r "$link_name"

  4803. 

  4804. # determine libc flavour

  4805. 

  4806. probe_libc(){

  4807.     pfx=$1

  4808.     pfx_no_=${pfx%_}

  4809.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4810.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4811.         eval ${pfx}libc_type=uclibc

  4812.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4813.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4814.         eval ${pfx}libc_type=glibc

  4815.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4816.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4817.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4818.         eval ${pfx}libc_type=newlib

  4819.         add_${pfx}cppflags -U__STRICT_ANSI__

  4820.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4821.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4822.         eval ${pfx}libc_type=mingw64

  4823.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4824.             add_compat msvcrt/snprintf.o

  4825.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4826.         fi

  4827.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4828.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4829.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4830.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4831.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4832.         eval ${pfx}libc_type=mingw32

  4833.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4834.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4835.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4836.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4837.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4838.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4839.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4840.         eval ${pfx}libc_type=msvcrt

  4841.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4842.             if [ "$pfx" = host_ ]; then

  4843.                 add_host_cppflags -Dsnprintf=_snprintf

  4844.             else

  4845.                 add_compat strtod.o strtod=avpriv_strtod

  4846.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4847.                                              _snprintf=avpriv_snprintf  \

  4848.                                              vsnprintf=avpriv_vsnprintf

  4849.             fi

  4850.         fi

  4851.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4852.         # 0x601 by default unless something else is set by the user.

  4853.         # This can easily lead to us detecting functions only present

  4854.         # in such new versions and producing binaries requiring windows 7.0.

  4855.         # Therefore explicitly set the default to XP unless the user has

  4856.         # set something else on the command line.

  4857.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4858.         # family. For these cases, configure is free to use any functions

  4859.         # found in the SDK headers by default. (Alternatively, we could force

  4860.         # _WIN32_WINNT to 0x0602 in that case.)

  4861.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4862.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4863. #ifdef WINAPI_FAMILY

  4864. #include <winapifamily.h>

  4865. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4866. #error not desktop

  4867. #endif

  4868. #endif

  4869. EOF

  4870.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4871.         eval ${pfx}libc_type=klibc

  4872.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4873.         eval ${pfx}libc_type=bionic

  4874.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4875.         eval ${pfx}libc_type=solaris

  4876.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4877.     fi

  4878.     check_${pfx}cc <<EOF

  4879. #include <time.h>

  4880. void *v = localtime_r;

  4881. EOF

  4882. 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

  4883. #include <time.h>

  4884. void *v = localtime_r;

  4885. EOF

  4886. 

  4887. }

  4888. 

  4889. probe_libc

  4890. test -n "$libc_type" && enable libc_$libc_type

  4891. probe_libc host_

  4892. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4893. 

  4894. case $libc_type in

  4895.     bionic)

  4896.         add_compat strtod.o strtod=avpriv_strtod

  4897.         ;;

  4898. esac

  4899. 

  4900. # hacks for compiler/libc/os combinations

  4901. 

  4902. if enabled_all tms470 libc_glibc; then

  4903.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4904.     add_cppflags -D__USER_LABEL_PREFIX__=

  4905.     add_cppflags -D__builtin_memset=memset

  4906.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4907.     add_cflags   -pds=48    # incompatible redefinition of macro

  4908. fi

  4909. 

  4910. if enabled_all ccc libc_glibc; then

  4911.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4912. fi

  4913. 

  4914. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4915.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4916. 

  4917. esc(){

  4918.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4919. }

  4920. 

  4921. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4922. 

  4923. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4924. 

  4925. set_default libdir

  4926. : ${shlibdir_default:="$libdir"}

  4927. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4928. 

  4929. set_default $PATHS_LIST

  4930. set_default nm

  4931. 

  4932. # we need to build at least one lib type

  4933. if ! enabled_any static shared; then

  4934.     cat <<EOF

  4935. At least one library type must be built.

  4936. Specify --enable-static to build the static libraries or --enable-shared to

  4937. build the shared libraries as well. To only build the shared libraries specify

  4938. --disable-static in addition to --enable-shared.

  4939. EOF

  4940.     exit 1;

  4941. fi

  4942. 

  4943. die_license_disabled() {

  4944.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4945. }

  4946. 

  4947. die_license_disabled_gpl() {

  4948.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4949. }

  4950. 

  4951. die_license_disabled gpl frei0r

  4952. die_license_disabled gpl libcdio

  4953. die_license_disabled gpl librubberband

  4954. die_license_disabled gpl libsmbclient

  4955. die_license_disabled gpl libutvideo

  4956. die_license_disabled gpl libvidstab

  4957. die_license_disabled gpl libx264

  4958. die_license_disabled gpl libx265

  4959. die_license_disabled gpl libxavs

  4960. die_license_disabled gpl libxvid

  4961. die_license_disabled gpl x11grab

  4962. 

  4963. die_license_disabled nonfree cuda

  4964. die_license_disabled nonfree libfaac

  4965. die_license_disabled nonfree libnpp

  4966. die_license_disabled nonfree nvenc

  4967. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4968. enabled gpl && die_license_disabled_gpl nonfree openssl

  4969. 

  4970. die_license_disabled version3 gmp

  4971. die_license_disabled version3 libopencore_amrnb

  4972. die_license_disabled version3 libopencore_amrwb

  4973. die_license_disabled version3 libsmbclient

  4974. die_license_disabled version3 libvo_amrwbenc

  4975. 

  4976. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4977. 

  4978. disabled optimizations || check_cflags -fomit-frame-pointer

  4979. 

  4980. enable_weak_pic() {

  4981.     disabled pic && return

  4982.     enable pic

  4983.     add_cppflags -DPIC

  4984.     case "$target_os" in

  4985.     mingw*|cygwin*)

  4986.         ;;

  4987.     *)

  4988.         add_cflags -fPIC

  4989.         ;;

  4990.     esac

  4991.     add_asflags  -fPIC

  4992. }

  4993. 

  4994. enabled pic && enable_weak_pic

  4995. 

  4996. check_cc <<EOF || die "Symbol mangling check failed."

  4997. int ff_extern;

  4998. EOF

  4999. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5000. extern_prefix=${sym%%ff_extern*}

  5001. 

  5002. check_cc <<EOF && enable_weak inline_asm

  5003. void foo(void) { __asm__ volatile ("" ::); }

  5004. EOF

  5005. 

  5006. _restrict=

  5007. for restrict_keyword in restrict __restrict__ __restrict; do

  5008.     check_cc <<EOF && _restrict=$restrict_keyword && break

  5009. void foo(char * $restrict_keyword p);

  5010. EOF

  5011. done

  5012. 

  5013. check_cc <<EOF && enable pragma_deprecated

  5014. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  5015. EOF

  5016. 

  5017. check_cc <<EOF && enable attribute_packed

  5018. struct { int x; } __attribute__((packed)) x;

  5019. EOF

  5020. 

  5021. check_cc <<EOF && enable attribute_may_alias

  5022. union { int x; } __attribute__((may_alias)) x;

  5023. EOF

  5024. 

  5025. check_cc <<EOF || die "endian test failed"

  5026. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5027. EOF

  5028. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5029. 

  5030. if ! enabled ppc64 || enabled bigendian; then

  5031.     disable vsx

  5032. fi

  5033. 

  5034. check_gas() {

  5035.     log "check_gas using '$as' as AS"

  5036.     # :vararg is used on aarch64, arm and ppc altivec

  5037.     check_as <<EOF || return 1

  5038. .macro m n, y:vararg=0

  5039. \n: .int \y

  5040. .endm

  5041. m x

  5042. EOF

  5043.     # .altmacro is only used in arm asm

  5044.     ! enabled arm || check_as <<EOF || return 1

  5045. .altmacro

  5046. EOF

  5047.     enable gnu_as

  5048.     return 0

  5049. }

  5050. 

  5051. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5052.     nogas=:

  5053.     enabled_any arm aarch64 && nogas=die

  5054.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5055.     as_noop=-v

  5056. 

  5057.     case $as_type in

  5058.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5059.         gcc)  gaspp_as_type=gas ;;

  5060.         *)    gaspp_as_type=$as_type ;;

  5061.     esac

  5062. 

  5063.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5064. 

  5065.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5066.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5067.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5068. 

  5069.     if ! check_gas ; then

  5070.         as=${gas:=$as}

  5071.         check_gas || \

  5072.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5073.     fi

  5074. 

  5075.     check_as <<EOF && enable as_func

  5076. .func test

  5077. .endfunc

  5078. EOF

  5079. fi

  5080. 

  5081. check_inline_asm inline_asm_labels '"1:\n"'

  5082. 

  5083. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5084. 

  5085. if enabled aarch64; then

  5086.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5087.     # internal assembler in clang 3.3 does not support this instruction

  5088.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5089.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5090. 

  5091.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5092. 

  5093. elif enabled alpha; then

  5094. 

  5095.     check_cflags -mieee

  5096. 

  5097. elif enabled arm; then

  5098. 

  5099.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5100. 

  5101.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5102. float func(float a, float b){ return a+b; }

  5103. EOF

  5104. 

  5105.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5106. 

  5107.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5108.         enable vfp_args

  5109.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5110.         enable vfp_args

  5111.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5112.         case "${cross_prefix:-$cc}" in

  5113.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5114.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5115. __asm__ (".eabi_attribute 28, 1");

  5116. int main(void) { return 0; }

  5117. EOF

  5118.         esac

  5119.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5120.     fi

  5121. 

  5122.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5123.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5124.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5125.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5126.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5127.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5128.     enabled setend  && check_insn setend  'setend be'

  5129. 

  5130.     [ $target_os = linux ] || [ $target_os = android ] ||

  5131.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5132.             $ARCH_EXT_LIST_ARM

  5133. 

  5134.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5135. 

  5136.     check_as <<EOF && enable as_dn_directive

  5137. ra .dn d0.i16

  5138. .unreq ra

  5139. EOF

  5140. 

  5141.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5142.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5143. .object_arch armv4

  5144. EOF

  5145. 

  5146.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5147. 

  5148. elif enabled mips; then

  5149. 

  5150.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5151.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5152.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5153. 

  5154.     # Enable minimum ISA based on selected options

  5155.     if enabled mips64; then

  5156.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5157.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5158.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5159.     else

  5160.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5161.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5162.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5163.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5164.     fi

  5165. 

  5166.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5167.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5168.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa

  5169.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5170.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5171. 

  5172. elif enabled parisc; then

  5173. 

  5174.     if enabled gcc; then

  5175.         case $($cc -dumpversion) in

  5176.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5177.         esac

  5178.     fi

  5179. 

  5180. elif enabled ppc; then

  5181. 

  5182.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5183. 

  5184.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5185.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5186.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5187.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5188. 

  5189.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5190.     if enabled altivec; then

  5191.         check_cflags -maltivec -mabi=altivec &&

  5192.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5193.         check_cflags -faltivec

  5194. 

  5195.         # check if our compiler supports Motorola AltiVec C API

  5196.         check_cc <<EOF || disable altivec

  5197. $inc_altivec_h

  5198. int main(void) {

  5199.     vector signed int v1 = (vector signed int) { 0 };

  5200.     vector signed int v2 = (vector signed int) { 1 };

  5201.     v1 = vec_add(v1, v2);

  5202.     return 0;

  5203. }

  5204. EOF

  5205. 

  5206.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5207.     fi

  5208. 

  5209.     if enabled vsx; then

  5210.         check_cflags -mvsx &&

  5211.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5212.     fi

  5213. 

  5214.     if enabled power8; then

  5215.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5216.     fi

  5217. 

  5218. elif enabled x86; then

  5219. 

  5220.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5221.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5222. 

  5223.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5224. 

  5225.     # check whether EBP is available on x86

  5226.     # As 'i' is stored on the stack, this program will crash

  5227.     # if the base pointer is used to access it because the

  5228.     # base pointer is cleared in the inline assembly code.

  5229.     check_exec_crash <<EOF && enable ebp_available

  5230. volatile int i=0;

  5231. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5232. return i;

  5233. EOF

  5234. 

  5235.     # check whether EBX is available on x86

  5236.     check_inline_asm ebx_available '""::"b"(0)' &&

  5237.         check_inline_asm ebx_available '"":::"%ebx"'

  5238. 

  5239.     # check whether xmm clobbers are supported

  5240.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5241. 

  5242.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5243.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5244. 

  5245.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5246.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5247.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5248. 

  5249.     if ! disabled_any asm mmx yasm; then

  5250.         if check_cmd $yasmexe --version; then

  5251.             enabled x86_64 && yasm_extra="-m amd64"

  5252.             yasm_debug="-g dwarf2"

  5253.         elif check_cmd nasm -v; then

  5254.             yasmexe=nasm

  5255.             yasm_debug="-g -F dwarf"

  5256.             if enabled x86_64; then

  5257.                 case "$objformat" in

  5258.                     elf)   objformat=elf64 ;;

  5259.                     win32) objformat=win64 ;;

  5260.                 esac

  5261.             fi

  5262.         fi

  5263. 

  5264.         YASMFLAGS="-f $objformat $yasm_extra"

  5265.         enabled pic               && append YASMFLAGS "-DPIC"

  5266.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5267.         case "$objformat" in

  5268.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5269.         esac

  5270. 

  5271.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5272.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5273.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5274.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5275.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5276.         check_yasm "CPU amdnop" || disable cpunop

  5277.     fi

  5278. 

  5279.     case "$cpu" in

  5280.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5281.             disable fast_clz

  5282.         ;;

  5283.     esac

  5284. 

  5285. fi

  5286. 

  5287. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5288. 

  5289. check_ldflags -Wl,--as-needed

  5290. check_ldflags -Wl,-z,noexecstack

  5291. 

  5292. if check_func dlopen; then

  5293.     ldl=

  5294. elif check_func dlopen -ldl; then

  5295.     ldl=-ldl

  5296. fi

  5297. 

  5298. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5299. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5300. frei0r_filter_extralibs='$ldl'

  5301. frei0r_src_filter_extralibs='$ldl'

  5302. ladspa_filter_extralibs='$ldl'

  5303. nvenc_encoder_extralibs='$ldl'

  5304. coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5305. coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5306. 

  5307. if ! disabled network; then

  5308.     check_func getaddrinfo $network_extralibs

  5309.     check_func inet_aton $network_extralibs

  5310. 

  5311.     check_type netdb.h "struct addrinfo"

  5312.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5313.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5314.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5315.     check_type poll.h "struct pollfd"

  5316.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5317.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5318.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5319.     check_type netinet/in.h "struct sockaddr_in6"

  5320.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5321.     check_type "sys/types.h sys/socket.h" socklen_t

  5322. 

  5323.     # Prefer arpa/inet.h over winsock2

  5324.     if check_header arpa/inet.h ; then

  5325.         check_func closesocket

  5326.     elif check_header winsock2.h ; then

  5327.         check_func_headers winsock2.h closesocket -lws2 &&

  5328.             network_extralibs="-lws2" ||

  5329.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5330.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5331.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5332. 

  5333.         check_type ws2tcpip.h socklen_t

  5334.         check_type ws2tcpip.h "struct addrinfo"

  5335.         check_type ws2tcpip.h "struct group_source_req"

  5336.         check_type ws2tcpip.h "struct ip_mreq_source"

  5337.         check_type ws2tcpip.h "struct ipv6_mreq"

  5338.         check_type winsock2.h "struct pollfd"

  5339.         check_struct winsock2.h "struct sockaddr" sa_len

  5340.         check_type ws2tcpip.h "struct sockaddr_in6"

  5341.         check_type ws2tcpip.h "struct sockaddr_storage"

  5342.     else

  5343.         disable network

  5344.     fi

  5345. fi

  5346. 

  5347. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5348. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5349. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5350. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5351. check_builtin sarestart signal.h "SA_RESTART"

  5352. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5353. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5354. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5355. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5356. 

  5357. case "$custom_allocator" in

  5358.     jemalloc)

  5359.         # jemalloc by default does not use a prefix

  5360.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5361.     ;;

  5362.     tcmalloc)

  5363.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5364.         malloc_prefix=tc_

  5365.     ;;

  5366. esac

  5367. 

  5368. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5369. check_func  ${malloc_prefix}memalign            && enable memalign

  5370. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5371. 

  5372. check_func  access

  5373. check_func  arc4random

  5374. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5375. check_func  fcntl

  5376. check_func  fork

  5377. check_func  gethrtime

  5378. check_func  getopt

  5379. check_func  getrusage

  5380. check_func  gettimeofday

  5381. check_func  isatty

  5382. check_func  mach_absolute_time

  5383. check_func  mkstemp

  5384. check_func  mmap

  5385. check_func  mprotect

  5386. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5387. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5388. check_func  sched_getaffinity

  5389. check_func  setrlimit

  5390. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5391. check_func  strerror_r

  5392. check_func  sysconf

  5393. check_func  sysctl

  5394. check_func  usleep

  5395. 

  5396. check_func_headers conio.h kbhit

  5397. check_func_headers io.h setmode

  5398. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5399. check_func_headers stdlib.h getenv

  5400. check_func_headers sys/stat.h lstat

  5401. 

  5402. check_func_headers windows.h CoTaskMemFree -lole32

  5403. check_func_headers windows.h GetProcessAffinityMask

  5404. check_func_headers windows.h GetProcessTimes

  5405. check_func_headers windows.h GetSystemTimeAsFileTime

  5406. check_func_headers windows.h MapViewOfFile

  5407. check_func_headers windows.h PeekNamedPipe

  5408. check_func_headers windows.h SetConsoleTextAttribute

  5409. check_func_headers windows.h SetConsoleCtrlHandler

  5410. check_func_headers windows.h Sleep

  5411. check_func_headers windows.h VirtualAlloc

  5412. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5413. check_func_headers glob.h glob

  5414. enabled xlib &&

  5415.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5416. 

  5417. check_header AudioToolbox/AudioToolbox.h

  5418. check_header direct.h

  5419. check_header dirent.h

  5420. check_header dlfcn.h

  5421. check_header d3d11.h

  5422. check_header dxva.h

  5423. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5424. check_header io.h

  5425. check_header libcrystalhd/libcrystalhd_if.h

  5426. check_header mach/mach_time.h

  5427. check_header malloc.h

  5428. check_header net/udplite.h

  5429. check_header poll.h

  5430. check_header sys/mman.h

  5431. check_header sys/param.h

  5432. check_header sys/resource.h

  5433. check_header sys/select.h

  5434. check_header sys/time.h

  5435. check_header sys/un.h

  5436. check_header termios.h

  5437. check_header unistd.h

  5438. check_header valgrind/valgrind.h

  5439. check_header vdpau/vdpau.h

  5440. check_header vdpau/vdpau_x11.h

  5441. check_header VideoDecodeAcceleration/VDADecoder.h

  5442. check_header VideoToolbox/VideoToolbox.h

  5443. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5444. check_header windows.h

  5445. check_header X11/extensions/XvMClib.h

  5446. check_header asm/types.h

  5447. 

  5448. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5449. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5450. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5451. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5452. 

  5453. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5454. 

  5455. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5456. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5457. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5458. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5459. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5460. 

  5461. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5462. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5463. check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"

  5464. 

  5465. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5466. 

  5467. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5468. 

  5469. if ! disabled w32threads && ! enabled pthreads; then

  5470.     check_func_headers "windows.h process.h" _beginthreadex &&

  5471.         enable w32threads || disable w32threads

  5472.     if ! enabled w32threads && enabled winrt; then

  5473.         check_func_headers "windows.h" CreateThread &&

  5474.             enable w32threads || disable w32threads

  5475.     fi

  5476. fi

  5477. 

  5478. # check for some common methods of building with pthread support

  5479. # do this before the optional library checks as some of them require pthreads

  5480. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5481.     enable pthreads

  5482.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5483.         add_cflags -pthread

  5484.         add_extralibs -pthread

  5485.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5486.         add_cflags -pthreads

  5487.         add_extralibs -pthreads

  5488.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5489.         add_cflags -ldl -pthread

  5490.         add_extralibs -ldl -pthread

  5491.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5492.         add_extralibs -lpthreadGC2

  5493.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5494.         :

  5495.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5496.         disable pthreads

  5497.     fi

  5498.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5499. fi

  5500. 

  5501. 

  5502. if enabled pthreads; then

  5503.   check_func pthread_cancel

  5504. fi

  5505. 

  5506. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5507. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5508. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5509. 

  5510. check_lib math.h sin -lm && LIBM="-lm"

  5511. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5512. 

  5513. atan2f_args=2

  5514. copysign_args=2

  5515. hypot_args=2

  5516. ldexpf_args=2

  5517. powf_args=2

  5518. 

  5519. for func in $MATH_FUNCS; do

  5520.     eval check_mathfunc $func \${${func}_args:-1}

  5521. done

  5522. 

  5523. for func in $COMPLEX_FUNCS; do

  5524.     eval check_complexfunc $func \${${func}_args:-1}

  5525. done

  5526. 

  5527. # these are off by default, so fail if requested and not available

  5528. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5529. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5530.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5531. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5532.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5533.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5534. enabled cuda              && { check_lib cuda.h cuInit -lcuda ||

  5535.                                die "ERROR: CUDA not found"; }

  5536. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5537. enabled coreimage_filter  && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }

  5538. enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }

  5539. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5540. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5541. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5542. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5543. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&

  5544.                                check_lib2 "dlfcn.h" dlopen -ldl; }

  5545. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5546. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5547. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5548. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5549. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5550. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5551.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5552.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5553. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5554. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5555. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5556.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5557.                                  warn "using libfdk without pkg-config"; } }

  5558. 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"

  5559. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5560. enabled fontconfig        && enable libfontconfig

  5561. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5562. enabled libfreetype       && require_libfreetype

  5563. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5564. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5565. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5566.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5567.                                done || die "ERROR: libgsm not found"; }

  5568. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5569. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5570. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5571. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5572. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5573. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5574. enabled libnpp            && require libnpp npp.h nppGetLibVersion -lnppi -lnppc

  5575. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5576. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5577. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5578.                                { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5579.                                  require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5580.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5581. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5582. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5583.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5584.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5585.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5586.                                die "ERROR: libopenjpeg not found"; }

  5587. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5588. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5589. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5590. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5591. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5592. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5593. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5594.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5595. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5596. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5597. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5598. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5599. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5600. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5601. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5602.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5603.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5604. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5605. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5606. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5607. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5608. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5609. 

  5610. enabled libvpx            && {

  5611.     enabled libvpx_vp8_decoder && {

  5612.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5613.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5614.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5615.     }

  5616.     enabled libvpx_vp8_encoder && {

  5617.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5618.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5619.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5620.     }

  5621.     enabled libvpx_vp9_decoder && {

  5622.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5623.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5624.                 disable libvpx_vp9_decoder;

  5625.     }

  5626.     enabled libvpx_vp9_encoder && {

  5627.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5628.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5629.                 disable libvpx_vp9_encoder;

  5630.     }

  5631.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5632.         die "libvpx enabled but no supported decoders found"

  5633.     fi

  5634. }

  5635. 

  5636. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5637. enabled libwebp           && {

  5638.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5639.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5640. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5641.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5642.                                  warn "using libx264 without pkg-config"; } } &&

  5643.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5644.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5645.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5646.                                enable libx262; }

  5647. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5648.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5649.                                die "ERROR: libx265 version must be >= 68."; }

  5650. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5651. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5652. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5653. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5654. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5655.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5656.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5657. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  5658. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5659.                                 { ! enabled cross_compile && {

  5660.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5661.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5662.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5663.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5664.                                die "ERROR: mmal not found"; }

  5665. enabled mmal &&

  5666.     (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||

  5667.      die "ERROR: mmal firmware headers too old")

  5668. 

  5669. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5670. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5671.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||

  5672.                                die "ERROR: NVENC API version 5 or older is not supported"; } &&

  5673.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5674. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5675.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5676.                                die "ERROR: openal not found"; } &&

  5677.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5678.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5679. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5680.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5681.                                die "ERROR: opencl not found"; } &&

  5682.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5683.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5684.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5685. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5686.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5687.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5688.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5689.                                die "ERROR: opengl not found."

  5690.                              }

  5691. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5692.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5693.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5694.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5695.                                die "ERROR: openssl not found"; }

  5696. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5697. 

  5698. # libdc1394 check

  5699. if enabled libdc1394; then

  5700.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5701.         enable libdc1394_2; } ||

  5702.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5703.         enable libdc1394_1; } ||

  5704.     die "ERROR: No version of libdc1394 found "

  5705. fi

  5706. 

  5707. if enabled gcrypt; then

  5708.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5709.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5710.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5711.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5712.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5713.             die "ERROR: gcrypt not found"

  5714.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5715.     else

  5716.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5717.     fi

  5718. fi

  5719. 

  5720. if ! disabled sdl; then

  5721.     SDL_CONFIG="${cross_prefix}sdl-config"

  5722.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5723.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5724.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5725.         enable sdl

  5726.     else

  5727.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5728.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5729.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5730.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5731.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5732.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5733.             enable sdl

  5734.         elif enabled sdl ; then

  5735.             die "ERROR: SDL not found"

  5736.         else

  5737.             disable sdl

  5738.         fi

  5739.     fi

  5740.     if test $target_os = "mingw32"; then

  5741.         sdl_libs="$sdl_libs -mconsole"

  5742.     fi

  5743. fi

  5744. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5745. 

  5746. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5747.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5748.     enable securetransport; }

  5749. 

  5750. disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  5751.                        check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }

  5752. 

  5753. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5754. enabled makeinfo \

  5755.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5756.     && enable makeinfo_html || disable makeinfo_html

  5757. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5758. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5759. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5760. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5761. 

  5762. check_header linux/fb.h

  5763. check_header linux/videodev.h

  5764. check_header linux/videodev2.h

  5765. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5766. 

  5767. check_header sys/videoio.h

  5768. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5769. 

  5770. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5771. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5772. # w32api 3.12 had it defined wrong

  5773. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5774. 

  5775. check_type "dshow.h" IBaseFilter

  5776. 

  5777. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5778. { check_header dev/bktr/ioctl_meteor.h &&

  5779.   check_header dev/bktr/ioctl_bt848.h; } ||

  5780. { check_header machine/ioctl_meteor.h &&

  5781.   check_header machine/ioctl_bt848.h; } ||

  5782. { check_header dev/video/meteor/ioctl_meteor.h &&

  5783.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5784. check_header dev/ic/bt8xx.h

  5785. 

  5786. check_header sndio.h

  5787. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5788.     enable_safe sys/soundcard.h

  5789. else

  5790.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5791.     #include <sys/soundcard.h>

  5792.     audio_buf_info abc;

  5793. EOF

  5794. fi

  5795. check_header soundcard.h

  5796. 

  5797. enabled_any alsa_indev alsa_outdev &&

  5798.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5799. 

  5800. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5801.     check_func jack_port_get_latency_range -ljack

  5802. 

  5803. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5804. 

  5805. if enabled libcdio; then

  5806.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5807.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5808.     die "ERROR: No usable libcdio/cdparanoia found"

  5809. fi

  5810. 

  5811. enabled xlib &&

  5812.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5813. 

  5814. if ! disabled libxcb; then

  5815.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5816.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5817.     } && disable x11grab && enable libxcb

  5818. 

  5819. if enabled libxcb; then

  5820.     disabled libxcb_shm || {

  5821.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5822.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5823.         } && check_header sys/shm.h && enable libxcb_shm; }

  5824. 

  5825.     disabled libxcb_xfixes || {

  5826.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5827.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5828.         } && enable libxcb_xfixes; }

  5829. 

  5830.     disabled libxcb_shape || {

  5831.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5832.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5833.         } && enable libxcb_shape; }

  5834. 

  5835.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5836.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5837. fi

  5838. fi

  5839. 

  5840. if enabled x11grab; then

  5841.     enabled xlib || die "ERROR: Xlib not found"

  5842.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5843.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5844. fi

  5845. 

  5846. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5847. 

  5848. enabled dxva2api_h &&

  5849.     check_cc <<EOF && enable dxva2api_cobj

  5850. #define _WIN32_WINNT 0x0600

  5851. #define COBJMACROS

  5852. #include <windows.h>

  5853. #include <d3d9.h>

  5854. #include <dxva2api.h>

  5855. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5856. EOF

  5857. 

  5858. enabled vaapi &&

  5859.     check_lib va/va.h vaInitialize -lva ||

  5860.     disable vaapi

  5861. 

  5862. enabled vaapi &&

  5863.     check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||

  5864.     disable vaapi

  5865. 

  5866. enabled vaapi && enabled xlib &&

  5867.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5868.     enable vaapi_x11

  5869. 

  5870. enabled vdpau &&

  5871.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5872.     disable vdpau

  5873. 

  5874. enabled vdpau && enabled xlib &&

  5875.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5876.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5877.     enable vdpau_x11

  5878. 

  5879. # Funny iconv installations are not unusual, so check it after all flags have been set

  5880. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5881. 

  5882. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5883. 

  5884. # add some useful compiler flags if supported

  5885. check_cflags -Wdeclaration-after-statement

  5886. check_cflags -Wall

  5887. check_cflags -Wdisabled-optimization

  5888. check_cflags -Wpointer-arith

  5889. check_cflags -Wredundant-decls

  5890. check_cflags -Wwrite-strings

  5891. check_cflags -Wtype-limits

  5892. check_cflags -Wundef

  5893. check_cflags -Wmissing-prototypes

  5894. check_cflags -Wno-pointer-to-int-cast

  5895. check_cflags -Wstrict-prototypes

  5896. check_cflags -Wempty-body

  5897. enabled extra_warnings && check_cflags -Winline

  5898. enabled extra_warnings && check_cflags -Wcast-qual

  5899. 

  5900. check_disable_warning(){

  5901.     warning_flag=-W${1#-Wno-}

  5902.     test_cflags $warning_flag && add_cflags $1

  5903. }

  5904. 

  5905. check_disable_warning -Wno-parentheses

  5906. check_disable_warning -Wno-switch

  5907. check_disable_warning -Wno-format-zero-length

  5908. check_disable_warning -Wno-pointer-sign

  5909. check_disable_warning -Wno-unused-const-variable

  5910. 

  5911. # add some linker flags

  5912. check_ldflags -Wl,--warn-common

  5913. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5914. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5915. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5916. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5917. 

  5918. # add some strip flags

  5919. # -wN '..@*' is more selective than -x, but not available everywhere.

  5920. check_stripflags -wN \'..@*\' || check_stripflags -x

  5921. 

  5922. enabled neon_clobber_test &&

  5923.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5924.                   -Wl,--wrap,avcodec_decode_audio4      \

  5925.                   -Wl,--wrap,avcodec_decode_video2      \

  5926.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5927.                   -Wl,--wrap,avcodec_encode_audio2      \

  5928.                   -Wl,--wrap,avcodec_encode_video2      \

  5929.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5930.                   -Wl,--wrap,swr_convert                \

  5931.                   -Wl,--wrap,avresample_convert ||

  5932.     disable neon_clobber_test

  5933. 

  5934. enabled xmm_clobber_test &&

  5935.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5936.                   -Wl,--wrap,avcodec_decode_audio4      \

  5937.                   -Wl,--wrap,avcodec_decode_video2      \

  5938.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5939.                   -Wl,--wrap,avcodec_encode_audio2      \

  5940.                   -Wl,--wrap,avcodec_encode_video2      \

  5941.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5942.                   -Wl,--wrap,swr_convert                \

  5943.                   -Wl,--wrap,avresample_convert         \

  5944.                   -Wl,--wrap,sws_scale ||

  5945.     disable xmm_clobber_test

  5946. 

  5947. echo "X { local: *; };" > $TMPV

  5948. if test_ldflags -Wl,--version-script,$TMPV; then

  5949.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5950. elif test_ldflags -Wl,-M,$TMPV; then

  5951.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5952. fi

  5953. 

  5954. check_cc <<EOF && enable symver_asm_label

  5955. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5956. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5957. EOF

  5958.     check_cc <<EOF && enable symver_gnu_asm

  5959. __asm__(".symver ff_foo,av_foo@VERSION");

  5960. void ff_foo(void) {}

  5961. EOF

  5962. 

  5963. if [ -z "$optflags" ]; then

  5964.     if enabled small; then

  5965.         optflags=$cflags_size

  5966.     elif enabled optimizations; then

  5967.         optflags=$cflags_speed

  5968.     else

  5969.         optflags=$cflags_noopt

  5970.     fi

  5971. fi

  5972. 

  5973. check_optflags(){

  5974.     check_cflags "$@"

  5975.     enabled lto && check_ldflags "$@"

  5976. }

  5977. 

  5978. 

  5979. if enabled lto; then

  5980.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5981.     check_cflags  -flto

  5982.     check_ldflags -flto $cpuflags

  5983.     disable inline_asm_direct_symbol_refs

  5984. fi

  5985. 

  5986. check_optflags $optflags

  5987. check_optflags -fno-math-errno

  5988. check_optflags -fno-signed-zeros

  5989. 

  5990. enabled ftrapv && check_cflags -ftrapv

  5991. 

  5992. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5993. int x;

  5994. EOF

  5995. 

  5996. 

  5997. if enabled icc; then

  5998.     # Just warnings, no remarks

  5999.     check_cflags -w1

  6000.     # -wd: Disable following warnings

  6001.     # 144, 167, 556: -Wno-pointer-sign

  6002.     # 188: enumerated type mixed with another type

  6003.     # 1292: attribute "foo" ignored

  6004.     # 1419: external declaration in primary source file

  6005.     # 10006: ignoring unknown option -fno-signed-zeros

  6006.     # 10148: ignoring unknown option -Wno-parentheses

  6007.     # 10156: ignoring option '-W'; no argument required

  6008.     # 13200: No EMMS instruction before call to function

  6009.     # 13203: No EMMS instruction before return from function

  6010.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6011.     # 11030: Warning unknown option --as-needed

  6012.     # 10156: ignoring option '-export'; no argument required

  6013.     check_ldflags -wd10156,11030

  6014.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6015.     enable ebp_available

  6016.     # The test above does not test linking

  6017.     enabled lto && disable symver_asm_label

  6018.     if enabled x86_32; then

  6019.         icc_version=$($cc -dumpversion)

  6020.         test ${icc_version%%.*} -ge 11 &&

  6021.             check_cflags -falign-stack=maintain-16-byte ||

  6022.             disable aligned_stack

  6023.     fi

  6024. elif enabled ccc; then

  6025.     # disable some annoying warnings

  6026.     add_cflags -msg_disable bitnotint

  6027.     add_cflags -msg_disable mixfuncvoid

  6028.     add_cflags -msg_disable nonstandcast

  6029.     add_cflags -msg_disable unsupieee

  6030. elif enabled gcc; then

  6031.     case $gcc_basever in

  6032.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  6033.         4.*)                 check_optflags -fno-tree-vectorize ;;

  6034.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  6035.     esac

  6036.     check_cflags -Werror=format-security

  6037.     check_cflags -Werror=implicit-function-declaration

  6038.     check_cflags -Werror=missing-prototypes

  6039.     check_cflags -Werror=return-type

  6040.     check_cflags -Werror=vla

  6041.     check_cflags -Wformat

  6042.     check_cflags -fdiagnostics-color=auto

  6043.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6044. elif enabled llvm_gcc; then

  6045.     check_cflags -mllvm -stack-alignment=16

  6046. elif enabled clang; then

  6047.     check_cflags -mllvm -stack-alignment=16

  6048.     check_cflags -Qunused-arguments

  6049.     check_cflags -Werror=implicit-function-declaration

  6050.     check_cflags -Werror=missing-prototypes

  6051.     check_cflags -Werror=return-type

  6052. elif enabled cparser; then

  6053.     add_cflags -Wno-missing-variable-declarations

  6054.     add_cflags -Wno-empty-statement

  6055. elif enabled armcc; then

  6056.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6057.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6058.     # 2523: use of inline assembly is deprecated

  6059.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6060.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6061.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6062.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6063.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6064.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6065. elif enabled tms470; then

  6066.     add_cflags -pds=824 -pds=837

  6067.     disable inline_asm

  6068. elif enabled pathscale; then

  6069.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6070. elif enabled_any msvc icl; then

  6071.     enabled x86_32 && disable aligned_stack

  6072.     enabled_all x86_32 debug && add_cflags -Oy-

  6073.     enabled debug && add_ldflags -debug

  6074.     enable pragma_deprecated

  6075.     if enabled icl; then

  6076.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6077.         # (correctly) on icl 13.x.

  6078.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6079.             add_cflags -Qansi-alias

  6080.         # Some inline asm is not compilable in debug

  6081.         if enabled debug; then

  6082.             disable ebp_available

  6083.             disable ebx_available

  6084.         fi

  6085.     fi

  6086.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6087.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6088.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6089.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6090.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6091.     # MSVC 2013 and newer can handle it fine.

  6092.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6093.     # happens in config.h.

  6094.     if [ $_restrict != restrict ]; then

  6095.         check_cc <<EOF || add_cflags -FIstdlib.h

  6096. __declspec($_restrict) void* foo(int);

  6097. EOF

  6098.     fi

  6099.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6100. fi

  6101. 

  6102. for pfx in "" host_; do

  6103.     varname=${pfx%_}cc_type

  6104.     eval "type=\$$varname"

  6105.     if [ $type = "msvc" ]; then

  6106.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6107. static inline int foo(int a) { return a; }

  6108. EOF

  6109.     fi

  6110. done

  6111. 

  6112. case $as_type in

  6113.     clang)

  6114.         add_asflags -Qunused-arguments

  6115.     ;;

  6116. esac

  6117. 

  6118. case $ld_type in

  6119.     clang)

  6120.         check_ldflags -Qunused-arguments

  6121.     ;;

  6122. esac

  6123. 

  6124. case $target_os in

  6125.     osf1)

  6126.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6127.     ;;

  6128.     plan9)

  6129.         add_cppflags -Dmain=plan9_main

  6130.     ;;

  6131. esac

  6132. 

  6133. enable frame_thread_encoder

  6134. 

  6135. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6136. 

  6137. check_deps $CONFIG_LIST       \

  6138.            $CONFIG_EXTRA      \

  6139.            $HAVE_LIST         \

  6140.            $ALL_COMPONENTS    \

  6141. 

  6142. 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"

  6143. 

  6144. 

  6145. if test $target_os = "haiku"; then

  6146.     disable memalign

  6147.     disable posix_memalign

  6148. fi

  6149. 

  6150. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6151.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6152.     enable dxva2_lib

  6153. 

  6154. ! enabled_any memalign posix_memalign aligned_malloc &&

  6155.     enabled simd_align_16 && enable memalign_hack

  6156. 

  6157. # add_dep lib dep

  6158. # -> enable ${lib}_deps_${dep}

  6159. # -> add $dep to ${lib}_deps only once

  6160. add_dep() {

  6161.     lib=$1

  6162.     dep=$2

  6163.     enabled "${lib}_deps_${dep}" && return 0

  6164.     enable  "${lib}_deps_${dep}"

  6165.     prepend "${lib}_deps" $dep

  6166. }

  6167. 

  6168. # merge deps lib components

  6169. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6170. merge_deps() {

  6171.     lib=$1

  6172.     shift

  6173.     for comp in $*; do

  6174.         enabled $comp || continue

  6175.         eval "dep=\"\$${comp}_deps\""

  6176.         for d in $dep; do

  6177.             add_dep $lib $d

  6178.         done

  6179.     done

  6180. }

  6181. 

  6182. merge_deps libavfilter $FILTER_LIST

  6183. 

  6184. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6185. 

  6186. for thread in $THREADS_LIST; do

  6187.     if enabled $thread; then

  6188.         test -n "$thread_type" &&

  6189.             die "ERROR: Only one thread type must be selected." ||

  6190.             thread_type="$thread"

  6191.     fi

  6192. done

  6193. 

  6194. enabled zlib && add_cppflags -DZLIB_CONST

  6195. 

  6196. # conditional library dependencies, in linking order

  6197. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6198. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6199. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6200. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6201. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6202. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6203. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6204. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6205. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6206. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6207. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6208. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6209. enabled pan_filter          && prepend avfilter_deps "swresample"

  6210. enabled pp_filter           && prepend avfilter_deps "postproc"

  6211. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6212. enabled resample_filter && prepend avfilter_deps "avresample"

  6213. enabled sab_filter          && prepend avfilter_deps "swscale"

  6214. enabled scale_filter    && prepend avfilter_deps "swscale"

  6215. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6216. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6217. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6218. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6219. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6220. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6221. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6222. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6223. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6224. 

  6225. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6226. 

  6227. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6228. 

  6229. expand_deps(){

  6230.     lib_deps=${1}_deps

  6231.     eval "deps=\$$lib_deps"

  6232.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6233.     unique $lib_deps

  6234. }

  6235. 

  6236. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6237. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6238. 

  6239. map 'expand_deps $v' $LIBRARY_LIST

  6240. 

  6241. echo "install prefix            $prefix"

  6242. echo "source path               $source_path"

  6243. echo "C compiler                $cc"

  6244. echo "C library                 $libc_type"

  6245. if test "$host_cc" != "$cc"; then

  6246.     echo "host C compiler           $host_cc"

  6247.     echo "host C library            $host_libc_type"

  6248. fi

  6249. echo "ARCH                      $arch ($cpu)"

  6250. if test "$build_suffix" != ""; then

  6251.     echo "build suffix              $build_suffix"

  6252. fi

  6253. if test "$progs_suffix" != ""; then

  6254.     echo "progs suffix              $progs_suffix"

  6255. fi

  6256. if test "$extra_version" != ""; then

  6257.     echo "version string suffix     $extra_version"

  6258. fi

  6259. echo "big-endian                ${bigendian-no}"

  6260. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6261. if enabled x86; then

  6262.     echo "${yasmexe}                      ${yasm-no}"

  6263.     echo "MMX enabled               ${mmx-no}"

  6264.     echo "MMXEXT enabled            ${mmxext-no}"

  6265.     echo "3DNow! enabled            ${amd3dnow-no}"

  6266.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6267.     echo "SSE enabled               ${sse-no}"

  6268.     echo "SSSE3 enabled             ${ssse3-no}"

  6269.     echo "AESNI enabled             ${aesni-no}"

  6270.     echo "AVX enabled               ${avx-no}"

  6271.     echo "XOP enabled               ${xop-no}"

  6272.     echo "FMA3 enabled              ${fma3-no}"

  6273.     echo "FMA4 enabled              ${fma4-no}"

  6274.     echo "i686 features enabled     ${i686-no}"

  6275.     echo "CMOV is fast              ${fast_cmov-no}"

  6276.     echo "EBX available             ${ebx_available-no}"

  6277.     echo "EBP available             ${ebp_available-no}"

  6278. fi

  6279. if enabled aarch64; then

  6280.     echo "NEON enabled              ${neon-no}"

  6281.     echo "VFP enabled               ${vfp-no}"

  6282. fi

  6283. if enabled arm; then

  6284.     echo "ARMv5TE enabled           ${armv5te-no}"

  6285.     echo "ARMv6 enabled             ${armv6-no}"

  6286.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6287.     echo "VFP enabled               ${vfp-no}"

  6288.     echo "NEON enabled              ${neon-no}"

  6289.     echo "THUMB enabled             ${thumb-no}"

  6290. fi

  6291. if enabled mips; then

  6292.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6293.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6294.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6295.     echo "MIPS MSA enabled          ${msa-no}"

  6296.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6297. fi

  6298. if enabled ppc; then

  6299.     echo "AltiVec enabled           ${altivec-no}"

  6300.     echo "VSX enabled               ${vsx-no}"

  6301.     echo "POWER8 enabled            ${power8-no}"

  6302.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6303.     echo "dcbzl available           ${dcbzl-no}"

  6304. fi

  6305. echo "debug symbols             ${debug-no}"

  6306. echo "strip symbols             ${stripping-no}"

  6307. echo "optimize for size         ${small-no}"

  6308. echo "optimizations             ${optimizations-no}"

  6309. echo "static                    ${static-no}"

  6310. echo "shared                    ${shared-no}"

  6311. echo "postprocessing support    ${postproc-no}"

  6312. echo "new filter support        ${avfilter-no}"

  6313. echo "network support           ${network-no}"

  6314. echo "threading support         ${thread_type-no}"

  6315. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6316. echo "SDL support               ${sdl-no}"

  6317. echo "opencl enabled            ${opencl-no}"

  6318. echo "JNI support               ${jni-no}"

  6319. echo "texi2html enabled         ${texi2html-no}"

  6320. echo "perl enabled              ${perl-no}"

  6321. echo "pod2man enabled           ${pod2man-no}"

  6322. echo "makeinfo enabled          ${makeinfo-no}"

  6323. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6324. test -n "$random_seed" &&

  6325.     echo "random seed               ${random_seed}"

  6326. echo

  6327. 

  6328. echo "Enabled programs:"

  6329. print_enabled '' $PROGRAM_LIST | print_in_columns

  6330. echo

  6331. 

  6332. echo "External libraries:"

  6333. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6334. echo

  6335. 

  6336. echo "Libraries:"

  6337. print_enabled '' $LIBRARY_LIST | print_in_columns

  6338. echo

  6339. 

  6340. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6341.     echo "Enabled ${type}s:"

  6342.     eval list=\$$(toupper $type)_LIST

  6343.     print_enabled '_*' $list | print_in_columns

  6344.     echo

  6345. done

  6346. 

  6347. license="LGPL version 2.1 or later"

  6348. if enabled nonfree; then

  6349.     license="nonfree and unredistributable"

  6350. elif enabled gplv3; then

  6351.     license="GPL version 3 or later"

  6352. elif enabled lgplv3; then

  6353.     license="LGPL version 3 or later"

  6354. elif enabled gpl; then

  6355.     license="GPL version 2 or later"

  6356. fi

  6357. 

  6358. echo "License: $license"

  6359. 

  6360. echo "Creating config.mak, config.h, and doc/config.texi..."

  6361. 

  6362. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6363. 

  6364. enabled stripping || strip="echo skipping strip"

  6365. 

  6366. config_files="$TMPH config.mak doc/config.texi"

  6367. 

  6368. cat > config.mak <<EOF

  6369. # Automatically generated by configure - do not modify!

  6370. ifndef FFMPEG_CONFIG_MAK

  6371. FFMPEG_CONFIG_MAK=1

  6372. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6373. prefix=$prefix

  6374. LIBDIR=\$(DESTDIR)$libdir

  6375. SHLIBDIR=\$(DESTDIR)$shlibdir

  6376. INCDIR=\$(DESTDIR)$incdir

  6377. BINDIR=\$(DESTDIR)$bindir

  6378. DATADIR=\$(DESTDIR)$datadir

  6379. DOCDIR=\$(DESTDIR)$docdir

  6380. MANDIR=\$(DESTDIR)$mandir

  6381. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6382. INSTALL_NAME_DIR=$install_name_dir

  6383. SRC_PATH=$source_path

  6384. SRC_LINK=$source_link

  6385. ifndef MAIN_MAKEFILE

  6386. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6387. endif

  6388. CC_IDENT=$cc_ident

  6389. ARCH=$arch

  6390. INTRINSICS=$intrinsics

  6391. CC=$cc

  6392. CXX=$cxx

  6393. AS=$as

  6394. OBJCC=$objcc

  6395. LD=$ld

  6396. DEPCC=$dep_cc

  6397. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6398. DEPAS=$as

  6399. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6400. YASM=$yasmexe

  6401. DEPYASM=$yasmexe

  6402. AR=$ar

  6403. ARFLAGS=$arflags

  6404. AR_O=$ar_o

  6405. RANLIB=$ranlib

  6406. STRIP=$strip

  6407. CP=cp -p

  6408. LN_S=$ln_s

  6409. CPPFLAGS=$CPPFLAGS

  6410. CFLAGS=$CFLAGS

  6411. CXXFLAGS=$CXXFLAGS

  6412. OBJCFLAGS=$OBJCFLAGS

  6413. ASFLAGS=$ASFLAGS

  6414. AS_C=$AS_C

  6415. AS_O=$AS_O

  6416. OBJCC_C=$OBJCC_C

  6417. OBJCC_E=$OBJCC_E

  6418. OBJCC_O=$OBJCC_O

  6419. CC_C=$CC_C

  6420. CC_E=$CC_E

  6421. CC_O=$CC_O

  6422. CXX_C=$CXX_C

  6423. CXX_O=$CXX_O

  6424. LD_O=$LD_O

  6425. LD_LIB=$LD_LIB

  6426. LD_PATH=$LD_PATH

  6427. DLLTOOL=$dlltool

  6428. WINDRES=$windres

  6429. DEPWINDRES=$dep_cc

  6430. DOXYGEN=$doxygen

  6431. LDFLAGS=$LDFLAGS

  6432. LDEXEFLAGS=$LDEXEFLAGS

  6433. LDLIBFLAGS=$LDLIBFLAGS

  6434. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6435. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6436. YASMFLAGS=$YASMFLAGS

  6437. BUILDSUF=$build_suffix

  6438. PROGSSUF=$progs_suffix

  6439. FULLNAME=$FULLNAME

  6440. LIBPREF=$LIBPREF

  6441. LIBSUF=$LIBSUF

  6442. LIBNAME=$LIBNAME

  6443. SLIBPREF=$SLIBPREF

  6444. SLIBSUF=$SLIBSUF

  6445. EXESUF=$EXESUF

  6446. EXTRA_VERSION=$extra_version

  6447. CCDEP=$CCDEP

  6448. CXXDEP=$CXXDEP

  6449. CCDEP_FLAGS=$CCDEP_FLAGS

  6450. ASDEP=$ASDEP

  6451. ASDEP_FLAGS=$ASDEP_FLAGS

  6452. CC_DEPFLAGS=$CC_DEPFLAGS

  6453. AS_DEPFLAGS=$AS_DEPFLAGS

  6454. HOSTCC=$host_cc

  6455. HOSTLD=$host_ld

  6456. HOSTCFLAGS=$host_cflags

  6457. HOSTCPPFLAGS=$host_cppflags

  6458. HOSTEXESUF=$HOSTEXESUF

  6459. HOSTLDFLAGS=$host_ldflags

  6460. HOSTLIBS=$host_libs

  6461. DEPHOSTCC=$host_cc

  6462. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6463. HOSTCCDEP=$HOSTCCDEP

  6464. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6465. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6466. HOSTCC_C=$HOSTCC_C

  6467. HOSTCC_O=$HOSTCC_O

  6468. HOSTLD_O=$HOSTLD_O

  6469. TARGET_EXEC=$target_exec $target_exec_args

  6470. TARGET_PATH=$target_path

  6471. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6472. CFLAGS-ffplay=$sdl_cflags

  6473. ZLIB=$($ldflags_filter -lz)

  6474. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6475. EXTRALIBS=$extralibs

  6476. COMPAT_OBJS=$compat_objs

  6477. EXEOBJS=$exeobjs

  6478. INSTALL=$install

  6479. LIBTARGET=${LIBTARGET}

  6480. SLIBNAME=${SLIBNAME}

  6481. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6482. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6483. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6484. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6485. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6486. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6487. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6488. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6489. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6490. NOREDZONE_FLAGS=$noredzone_flags

  6491. EOF

  6492. 

  6493. get_version(){

  6494.     lcname=lib${1}

  6495.     name=$(toupper $lcname)

  6496.     file=$source_path/$lcname/version.h

  6497.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6498.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6499.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6500.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6501.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6502.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6503. }

  6504. 

  6505. map 'get_version $v' $LIBRARY_LIST

  6506. 

  6507. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6508. 

  6509. print_program_libs(){

  6510.     eval "program_libs=\$${1}_libs"

  6511.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6512. }

  6513. 

  6514. map 'print_program_libs $v' $PROGRAM_LIST

  6515. 

  6516. cat > $TMPH <<EOF

  6517. /* Automatically generated by configure - do not modify! */

  6518. #ifndef FFMPEG_CONFIG_H

  6519. #define FFMPEG_CONFIG_H

  6520. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6521. #define FFMPEG_LICENSE "$(c_escape $license)"

  6522. #define CONFIG_THIS_YEAR 2016

  6523. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6524. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6525. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6526. #define av_restrict $_restrict

  6527. #define EXTERN_PREFIX "${extern_prefix}"

  6528. #define EXTERN_ASM ${extern_prefix}

  6529. #define BUILDSUF "$build_suffix"

  6530. #define SLIBSUF "$SLIBSUF"

  6531. #define HAVE_MMX2 HAVE_MMXEXT

  6532. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6533. EOF

  6534. 

  6535. test -n "$assert_level" &&

  6536.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6537. 

  6538. test -n "$malloc_prefix" &&

  6539.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6540. 

  6541. if enabled yasm; then

  6542.     append config_files $TMPASM

  6543.     printf '' >$TMPASM

  6544. fi

  6545. 

  6546. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6547. 

  6548. 

  6549. mkdir -p doc

  6550. mkdir -p tests

  6551. mkdir -p tests/api

  6552. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6553. 

  6554. print_config ARCH_   "$config_files" $ARCH_LIST

  6555. print_config HAVE_   "$config_files" $HAVE_LIST

  6556. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6557.                                      $CONFIG_EXTRA      \

  6558.                                      $ALL_COMPONENTS    \

  6559. 

  6560. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6561. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6562. 

  6563. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6564. cp_if_changed $TMPH config.h

  6565. touch .config

  6566. 

  6567. enabled yasm && cp_if_changed $TMPASM config.asm

  6568. 

  6569. cat > $TMPH <<EOF

  6570. /* Generated by ffconf */

  6571. #ifndef AVUTIL_AVCONFIG_H

  6572. #define AVUTIL_AVCONFIG_H

  6573. EOF

  6574. 

  6575. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6576. 

  6577. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6578. 

  6579. cp_if_changed $TMPH libavutil/avconfig.h

  6580. 

  6581. if test -n "$WARNINGS"; then

  6582.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6583.     enabled fatal_warnings && exit 1

  6584. fi

  6585. 

  6586. # build pkg-config files

  6587. 

  6588. lib_version(){

  6589.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6590. }

  6591. 

  6592. pkgconfig_generate(){

  6593.     name=$1

  6594.     shortname=${name#lib}${build_suffix}

  6595.     comment=$2

  6596.     version=$3

  6597.     libs=$4

  6598.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6599.     requires=${requires%, }

  6600.     enabled ${name#lib} || return 0

  6601.     mkdir -p $name

  6602.     cat <<EOF > $name/$name${build_suffix}.pc

  6603. prefix=$prefix

  6604. exec_prefix=\${prefix}

  6605. libdir=$libdir

  6606. includedir=$incdir

  6607. 

  6608. Name: $name

  6609. Description: $comment

  6610. Version: $version

  6611. Requires: $(enabled shared || echo $requires)

  6612. Requires.private: $(enabled shared && echo $requires)

  6613. Conflicts:

  6614. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6615. Libs.private: $(enabled shared && echo $libs)

  6616. Cflags: -I\${includedir}

  6617. EOF

  6618. 

  6619. mkdir -p doc/examples/pc-uninstalled

  6620. includedir=${source_path}

  6621. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6622.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6623. prefix=

  6624. exec_prefix=

  6625. libdir=\${pcfiledir}/../../../$name

  6626. includedir=${includedir}

  6627. 

  6628. Name: $name

  6629. Description: $comment

  6630. Version: $version

  6631. Requires: $requires

  6632. Conflicts:

  6633. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6634. Cflags: -I\${includedir}

  6635. EOF

  6636. }

  6637. 

  6638. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6639. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6640. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6641. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6642. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6643. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6644. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6645. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6646. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"