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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. Hardware-accelerated decoding/encoding:

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

  161.   --enable-cuvid           enable CUVID support [autodetect]

  162.   --enable-libmfx          enable HW acceleration through libmfx

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

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

  165.   --enable-omx             enable encoding via OpenMAX IL [no]

  166.   --enable-omx-rpi         enable encoding via OpenMAX IL for Raspberry Pi [no]

  167. 

  168. Individual component options:

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

  170.   --disable-encoder=NAME   disable encoder NAME

  171.   --enable-encoder=NAME    enable encoder NAME

  172.   --disable-encoders       disable all encoders

  173.   --disable-decoder=NAME   disable decoder NAME

  174.   --enable-decoder=NAME    enable decoder NAME

  175.   --disable-decoders       disable all decoders

  176.   --disable-hwaccel=NAME   disable hwaccel NAME

  177.   --enable-hwaccel=NAME    enable hwaccel NAME

  178.   --disable-hwaccels       disable all hwaccels

  179.   --disable-muxer=NAME     disable muxer NAME

  180.   --enable-muxer=NAME      enable muxer NAME

  181.   --disable-muxers         disable all muxers

  182.   --disable-demuxer=NAME   disable demuxer NAME

  183.   --enable-demuxer=NAME    enable demuxer NAME

  184.   --disable-demuxers       disable all demuxers

  185.   --enable-parser=NAME     enable parser NAME

  186.   --disable-parser=NAME    disable parser NAME

  187.   --disable-parsers        disable all parsers

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

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

  190.   --disable-bsfs           disable all bitstream filters

  191.   --enable-protocol=NAME   enable protocol NAME

  192.   --disable-protocol=NAME  disable protocol NAME

  193.   --disable-protocols      disable all protocols

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

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

  196.   --disable-indevs         disable input devices

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

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

  199.   --disable-outdevs        disable output devices

  200.   --disable-devices        disable all devices

  201.   --enable-filter=NAME     enable filter NAME

  202.   --disable-filter=NAME    disable filter NAME

  203.   --disable-filters        disable all filters

  204. 

  205. External library support:

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

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

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

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

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

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

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

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

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

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

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

  217.                            if openssl is not used [no]

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

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

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

  221.   --enable-libass          enable libass subtitles rendering,

  222.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  229.                            and libraw1394 [no]

  230.   --enable-libebur128      enable libebur128 for EBU R128 measurement,

  231.                            needed for loudnorm filter [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

  245.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  271.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  287.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  292.   --enable-opencl          enable OpenCL code

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

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

  295.                            if gnutls is not used [no]

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

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

  298.   --disable-sdl            disable sdl [autodetect]

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

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

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

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

  303.   --disable-xlib           disable xlib [autodetect]

  304.   --disable-zlib           disable zlib [autodetect]

  305. 

  306. Toolchain options:

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

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

  309.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  358. 

  359. Advanced options (experts only):

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

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

  362.   --disable-symver         disable symbol versioning

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

  364.   --disable-safe-bitstream-reader

  365.                            disable buffer boundary checking in bitreaders

  366.                            (faster, but may crash)

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

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

  369. 

  370. Optimization options (experts only):

  371.   --disable-asm            disable all assembly optimizations

  372.   --disable-altivec        disable AltiVec optimizations

  373.   --disable-vsx            disable VSX optimizations

  374.   --disable-power8         disable POWER8 optimizations

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

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

  377.   --disable-mmx            disable MMX optimizations

  378.   --disable-mmxext         disable MMXEXT optimizations

  379.   --disable-sse            disable SSE optimizations

  380.   --disable-sse2           disable SSE2 optimizations

  381.   --disable-sse3           disable SSE3 optimizations

  382.   --disable-ssse3          disable SSSE3 optimizations

  383.   --disable-sse4           disable SSE4 optimizations

  384.   --disable-sse42          disable SSE4.2 optimizations

  385.   --disable-avx            disable AVX optimizations

  386.   --disable-xop            disable XOP optimizations

  387.   --disable-fma3           disable FMA3 optimizations

  388.   --disable-fma4           disable FMA4 optimizations

  389.   --disable-avx2           disable AVX2 optimizations

  390.   --disable-aesni          disable AESNI optimizations

  391.   --disable-armv5te        disable armv5te optimizations

  392.   --disable-armv6          disable armv6 optimizations

  393.   --disable-armv6t2        disable armv6t2 optimizations

  394.   --disable-vfp            disable VFP optimizations

  395.   --disable-neon           disable NEON optimizations

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

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

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

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

  400.   --disable-msa            disable MSA optimizations

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

  402.   --disable-mmi            disable Loongson SIMD optimizations

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

  404. 

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

  406.   --disable-debug          disable debugging symbols

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

  408.   --disable-optimizations  disable compiler optimizations

  409.   --enable-extra-warnings  enable more compiler warnings

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

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

  412.                            2 causes a slowdown at runtime.

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

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

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

  416.                            Cannot be combined with --target-exec

  417.   --enable-ftrapv          Trap arithmetic overflows

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

  419.                            \$FATE_SAMPLES at make invocation time.

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

  421.                            used only for debugging purposes)

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

  423.                            should be used only for debugging purposes)

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

  425.   --disable-random

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

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

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

  429.                            (group) and PROB the probability associated with

  430.                            NAME (default 0.5).

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

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

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

  434. 

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

  436. EOF

  437.   exit 0

  438. }

  439. 

  440. quotes='""'

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

  442.     ncolors=$(tput colors)

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

  444.         bold_color=$(tput bold)

  445.         warn_color=$(tput setaf 3)

  446.         error_color=$(tput setaf 1)

  447.         reset_color=$(tput sgr0)

  448.     fi

  449.     # 72 used instead of 80 since that's the default of pr

  450.     ncols=$(tput cols)

  451. fi

  452. : ${ncols:=72}

  453. 

  454. log(){

  455.     echo "$@" >> $logfile

  456. }

  457. 

  458. log_file(){

  459.     log BEGIN $1

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

  461.     log END $1

  462. }

  463. 

  464. warn(){

  465.     log "WARNING: $*"

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

  467. }

  468. 

  469. die(){

  470.     log "$@"

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

  472.     cat <<EOF

  473. 

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

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

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

  477. EOF

  478.     if disabled logging; then

  479.         cat <<EOF

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

  481. include the log this produces with your report.

  482. EOF

  483.     else

  484.         cat <<EOF

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

  486. solve the problem.

  487. EOF

  488.     fi

  489.     exit 1

  490. }

  491. 

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

  493. toupper(){

  494.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  495. }

  496. 

  497. tolower(){

  498.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  499. }

  500. 

  501. c_escape(){

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

  503. }

  504. 

  505. sh_quote(){

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

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

  508.     echo "$v"

  509. }

  510. 

  511. cleanws(){

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

  513. }

  514. 

  515. filter(){

  516.     pat=$1

  517.     shift

  518.     for v; do

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

  520.     done

  521. }

  522. 

  523. filter_out(){

  524.     pat=$1

  525.     shift

  526.     for v; do

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

  528.     done

  529. }

  530. 

  531. map(){

  532.     m=$1

  533.     shift

  534.     for v; do eval $m; done

  535. }

  536. 

  537. add_suffix(){

  538.     suffix=$1

  539.     shift

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

  541. }

  542. 

  543. set_all(){

  544.     value=$1

  545.     shift

  546.     for var in $*; do

  547.         eval $var=$value

  548.     done

  549. }

  550. 

  551. set_weak(){

  552.     value=$1

  553.     shift

  554.     for var; do

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

  556.     done

  557. }

  558. 

  559. sanitize_var_name(){

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

  561. }

  562. 

  563. set_safe(){

  564.     var=$1

  565.     shift

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

  567. }

  568. 

  569. get_safe(){

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

  571. }

  572. 

  573. pushvar(){

  574.     for pvar in $*; do

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

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

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

  578.     done

  579. }

  580. 

  581. popvar(){

  582.     for pvar in $*; do

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

  584.         test $level = 0 && continue

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

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

  587.         eval ${pvar}_level=$level

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

  589.     done

  590. }

  591. 

  592. enable(){

  593.     set_all yes $*

  594. }

  595. 

  596. disable(){

  597.     set_all no $*

  598. }

  599. 

  600. enable_weak(){

  601.     set_weak yes $*

  602. }

  603. 

  604. disable_weak(){

  605.     set_weak no $*

  606. }

  607. 

  608. enable_safe(){

  609.     for var; do

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

  611.     done

  612. }

  613. 

  614. disable_safe(){

  615.     for var; do

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

  617.     done

  618. }

  619. 

  620. do_enable_deep(){

  621.     for var; do

  622.         enabled $var && continue

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

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

  625.         pushvar var sgs

  626.         enable_deep $sel

  627.         popvar sgs

  628.         enable_deep_weak $sgs

  629.         popvar var

  630.     done

  631. }

  632. 

  633. enable_deep(){

  634.     do_enable_deep $*

  635.     enable $*

  636. }

  637. 

  638. enable_deep_weak(){

  639.     for var; do

  640.         disabled $var && continue

  641.         pushvar var

  642.         do_enable_deep $var

  643.         popvar var

  644.         enable_weak $var

  645.     done

  646. }

  647. 

  648. enabled(){

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

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

  651. }

  652. 

  653. disabled(){

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

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

  656. }

  657. 

  658. enabled_all(){

  659.     for opt; do

  660.         enabled $opt || return 1

  661.     done

  662. }

  663. 

  664. disabled_all(){

  665.     for opt; do

  666.         disabled $opt || return 1

  667.     done

  668. }

  669. 

  670. enabled_any(){

  671.     for opt; do

  672.         enabled $opt && return 0

  673.     done

  674. }

  675. 

  676. disabled_any(){

  677.     for opt; do

  678.         disabled $opt && return 0

  679.     done

  680.     return 1

  681. }

  682. 

  683. set_default(){

  684.     for opt; do

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

  686.     done

  687. }

  688. 

  689. is_in(){

  690.     value=$1

  691.     shift

  692.     for var in $*; do

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

  694.     done

  695.     return 1

  696. }

  697. 

  698. do_check_deps(){

  699.     for cfg; do

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

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

  702.         disabled ${cfg}_checking && continue

  703.         enable ${cfg}_checking

  704.         append allopts $cfg

  705. 

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

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

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

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

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

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

  712. 

  713.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  715.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  716. 

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

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

  719.         enabled_all  $dep_all || disable $cfg

  720.         enabled_any  $dep_any || disable $cfg

  721.         disabled_any $dep_sel && disable $cfg

  722. 

  723.         if enabled $cfg; then

  724.             enable_deep $dep_sel

  725.             enable_deep_weak $dep_sgs

  726.         fi

  727. 

  728.         disable ${cfg}_checking

  729.     done

  730. }

  731. 

  732. check_deps(){

  733.     unset allopts

  734. 

  735.     do_check_deps "$@"

  736. 

  737.     for cfg in $allopts; do

  738.         enabled $cfg || continue

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

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

  741.     done

  742. }

  743. 

  744. print_config(){

  745.     pfx=$1

  746.     files=$2

  747.     shift 2

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

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

  750.         {

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

  752.             v = \$2;

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

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

  755.             for (f in files) {

  756.                 file = files[f];

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

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

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

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

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

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

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

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

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

  766.                     yesno = \$2;

  767.                     c2 = tolower(c);

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

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

  770.                 }

  771.             }

  772.         }"

  773. }

  774. 

  775. print_enabled(){

  776.     suf=$1

  777.     shift

  778.     for v; do

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

  780.     done

  781. }

  782. 

  783. append(){

  784.     var=$1

  785.     shift

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

  787. }

  788. 

  789. prepend(){

  790.     var=$1

  791.     shift

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

  793. }

  794. 

  795. unique(){

  796.     var=$1

  797.     uniq_list=""

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

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

  800.     done

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

  802. }

  803. 

  804. add_cppflags(){

  805.     append CPPFLAGS "$@"

  806. }

  807. 

  808. add_cflags(){

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

  810. }

  811. 

  812. add_cxxflags(){

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

  814. }

  815. 

  816. add_asflags(){

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

  818. }

  819. 

  820. add_objcflags(){

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

  822. }

  823. 

  824. add_ldflags(){

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

  826. }

  827. 

  828. add_ldexeflags(){

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

  830. }

  831. 

  832. add_ldlibflags(){

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

  834. }

  835. 

  836. add_stripflags(){

  837.     append ASMSTRIPFLAGS "$@"

  838. }

  839. 

  840. add_extralibs(){

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

  842. }

  843. 

  844. add_host_cppflags(){

  845.     append host_cppflags "$@"

  846. }

  847. 

  848. add_host_cflags(){

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

  850. }

  851. 

  852. add_host_ldflags(){

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

  854. }

  855. 

  856. add_compat(){

  857.     append compat_objs $1

  858.     shift

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

  860. }

  861. 

  862. check_cmd(){

  863.     log "$@"

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

  865. }

  866. 

  867. check_stat(){

  868.     log check_stat "$@"

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

  870. }

  871. 

  872. cc_o(){

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

  874. }

  875. 

  876. cc_e(){

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

  878. }

  879. 

  880. check_cc(){

  881.     log check_cc "$@"

  882.     cat > $TMPC

  883.     log_file $TMPC

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

  885. }

  886. 

  887. check_cxx(){

  888.     log check_cxx "$@"

  889.     cat > $TMPCPP

  890.     log_file $TMPCPP

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

  892. }

  893. 

  894. check_objcc(){

  895.     log check_objcc "$@"

  896.     cat > $TMPM

  897.     log_file $TMPM

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

  899. }

  900. 

  901. check_cpp(){

  902.     log check_cpp "$@"

  903.     cat > $TMPC

  904.     log_file $TMPC

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

  906. }

  907. 

  908. as_o(){

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

  910. }

  911. 

  912. check_as(){

  913.     log check_as "$@"

  914.     cat > $TMPS

  915.     log_file $TMPS

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

  917. }

  918. 

  919. check_inline_asm(){

  920.     log check_inline_asm "$@"

  921.     name="$1"

  922.     code="$2"

  923.     shift 2

  924.     disable $name

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

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

  927. EOF

  928. }

  929. 

  930. check_inline_asm_flags(){

  931.     log check_inline_asm_flags "$@"

  932.     name="$1"

  933.     code="$2"

  934.     flags=''

  935.     shift 2

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

  937.       append flags $1

  938.       shift

  939.     done;

  940.     disable $name

  941.     cat > $TMPC <<EOF

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

  943. EOF

  944.     log_file $TMPC

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

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

  947. }

  948. 

  949. check_insn(){

  950.     log check_insn "$@"

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

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

  953. }

  954. 

  955. check_yasm(){

  956.     log check_yasm "$@"

  957.     echo "$1" > $TMPS

  958.     log_file $TMPS

  959.     shift 1

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

  961. }

  962. 

  963. ld_o(){

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

  965. }

  966. 

  967. check_ld(){

  968.     log check_ld "$@"

  969.     type=$1

  970.     shift 1

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

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

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

  974.     flags=$($ldflags_filter $flags)

  975.     libs=$($ldflags_filter $libs)

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

  977. }

  978. 

  979. print_include(){

  980.     hdr=$1

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

  982.         echo "#include $hdr"    ||

  983.         echo "#include <$hdr>"

  984. }

  985. 

  986. check_code(){

  987.     log check_code "$@"

  988.     check=$1

  989.     headers=$2

  990.     code=$3

  991.     shift 3

  992.     {

  993.         for hdr in $headers; do

  994.             print_include $hdr

  995.         done

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

  997.     } | check_$check "$@"

  998. }

  999. 

  1000. check_cppflags(){

  1001.     log check_cppflags "$@"

  1002.     check_cc "$@" <<EOF && append CPPFLAGS "$@"

  1003. int x;

  1004. EOF

  1005. }

  1006. 

  1007. test_cflags(){

  1008.     log test_cflags "$@"

  1009.     set -- $($cflags_filter "$@")

  1010.     check_cc "$@" <<EOF

  1011. int x;

  1012. EOF

  1013. }

  1014. 

  1015. check_cflags(){

  1016.     log check_cflags "$@"

  1017.     test_cflags "$@" && add_cflags "$@"

  1018. }

  1019. 

  1020. check_cxxflags(){

  1021.     log check_cxxflags "$@"

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

  1023.     check_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1024. int x;

  1025. EOF

  1026. }

  1027. 

  1028. test_objcflags(){

  1029.     log test_cflags "$@"

  1030.     set -- $($cflags_filter "$@")

  1031.     check_objcc "$@" <<EOF

  1032. int x;

  1033. EOF

  1034. }

  1035. 

  1036. check_objcflags(){

  1037.     log check_cflags "$@"

  1038.     test_objcflags "$@" && add_objcflags "$@"

  1039. }

  1040. 

  1041. test_ldflags(){

  1042.     log test_ldflags "$@"

  1043.     check_ld "cc" "$@" <<EOF

  1044. int main(void){ return 0; }

  1045. EOF

  1046. }

  1047. 

  1048. check_ldflags(){

  1049.     log check_ldflags "$@"

  1050.     test_ldflags "$@" && add_ldflags "$@"

  1051. }

  1052. 

  1053. test_stripflags(){

  1054.     log test_stripflags "$@"

  1055.     # call check_cc to get a fresh TMPO

  1056.     check_cc <<EOF

  1057. int main(void) { return 0; }

  1058. EOF

  1059.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1060. }

  1061. 

  1062. check_stripflags(){

  1063.     log check_stripflags "$@"

  1064.     test_stripflags "$@" && add_stripflags "$@"

  1065. }

  1066. 

  1067. check_header(){

  1068.     log check_header "$@"

  1069.     header=$1

  1070.     shift

  1071.     disable_safe $header

  1072.     check_cpp "$@" <<EOF && enable_safe $header

  1073. #include <$header>

  1074. int x;

  1075. EOF

  1076. }

  1077. 

  1078. check_header_objcc(){

  1079.     log check_header_objcc "$@"

  1080.     rm -f -- "$TMPO"

  1081.     header=$1

  1082.     shift

  1083.     disable_safe $header

  1084.     {

  1085.        echo "#include <$header>"

  1086.        echo "int main(void) { return 0; }"

  1087.     } | check_objcc && check_stat "$TMPO" && enable_safe $headers

  1088. }

  1089. 

  1090. check_func(){

  1091.     log check_func "$@"

  1092.     func=$1

  1093.     shift

  1094.     disable $func

  1095.     check_ld "cc" "$@" <<EOF && enable $func

  1096. extern int $func();

  1097. int main(void){ $func(); }

  1098. EOF

  1099. }

  1100. 

  1101. check_complexfunc(){

  1102.     log check_complexfunc "$@"

  1103.     func=$1

  1104.     narg=$2

  1105.     shift 2

  1106.     test $narg = 2 && args="f, g" || args="f * I"

  1107.     disable $func

  1108.     check_ld "cc" "$@" <<EOF && enable $func

  1109. #include <complex.h>

  1110. #include <math.h>

  1111. float foo(complex float f, complex float g) { return $func($args); }

  1112. int main(void){ return (int) foo; }

  1113. EOF

  1114. }

  1115. 

  1116. check_mathfunc(){

  1117.     log check_mathfunc "$@"

  1118.     func=$1

  1119.     narg=$2

  1120.     shift 2

  1121.     test $narg = 2 && args="f, g" || args="f"

  1122.     disable $func

  1123.     check_ld "cc" "$@" <<EOF && enable $func

  1124. #include <math.h>

  1125. float foo(float f, float g) { return $func($args); }

  1126. int main(void){ return (int) foo; }

  1127. EOF

  1128. }

  1129. 

  1130. check_func_headers(){

  1131.     log check_func_headers "$@"

  1132.     headers=$1

  1133.     funcs=$2

  1134.     shift 2

  1135.     {

  1136.         for hdr in $headers; do

  1137.             print_include $hdr

  1138.         done

  1139.         for func in $funcs; do

  1140.             echo "long check_$func(void) { return (long) $func; }"

  1141.         done

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

  1143.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1144. }

  1145. 

  1146. check_class_headers_cpp(){

  1147.     log check_class_headers_cpp "$@"

  1148.     headers=$1

  1149.     classes=$2

  1150.     shift 2

  1151.     {

  1152.         for hdr in $headers; do

  1153.             echo "#include <$hdr>"

  1154.         done

  1155.         echo "int main(void) { "

  1156.         i=1

  1157.         for class in $classes; do

  1158.             echo "$class obj$i;"

  1159.             i=$(expr $i + 1)

  1160.         done

  1161.         echo "return 0; }"

  1162.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1163. }

  1164. 

  1165. check_cpp_condition(){

  1166.     log check_cpp_condition "$@"

  1167.     header=$1

  1168.     condition=$2

  1169.     shift 2

  1170.     check_cpp "$@" <<EOF

  1171. #include <$header>

  1172. #if !($condition)

  1173. #error "unsatisfied condition: $condition"

  1174. #endif

  1175. EOF

  1176. }

  1177. 

  1178. check_lib(){

  1179.     log check_lib "$@"

  1180.     header="$1"

  1181.     func="$2"

  1182.     shift 2

  1183.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1184. }

  1185. 

  1186. check_lib2(){

  1187.     log check_lib2 "$@"

  1188.     headers="$1"

  1189.     funcs="$2"

  1190.     shift 2

  1191.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1192. }

  1193. 

  1194. check_lib_cpp(){

  1195.     log check_lib_cpp "$@"

  1196.     headers="$1"

  1197.     classes="$2"

  1198.     shift 2

  1199.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1200. }

  1201. 

  1202. check_pkg_config(){

  1203.     log check_pkg_config "$@"

  1204.     pkgandversion="$1"

  1205.     pkg="${1%% *}"

  1206.     headers="$2"

  1207.     funcs="$3"

  1208.     shift 3

  1209.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1210.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1211.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1212.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1213.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1214.         set_safe "${pkg}_libs"   $pkg_libs

  1215. }

  1216. 

  1217. check_exec(){

  1218.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1219. }

  1220. 

  1221. check_exec_crash(){

  1222.     code=$(cat)

  1223. 

  1224.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1225.     # are safe but may not be available everywhere.  Thus we use

  1226.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1227.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1228.     # is not defined by standard C so it is used conditionally.

  1229. 

  1230.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1231. #include <signal.h>

  1232. static void sighandler(int sig){

  1233.     raise(SIGTERM);

  1234. }

  1235. int foo(void){

  1236.     $code

  1237. }

  1238. int (*func_ptr)(void) = foo;

  1239. int main(void){

  1240.     signal(SIGILL, sighandler);

  1241.     signal(SIGFPE, sighandler);

  1242.     signal(SIGSEGV, sighandler);

  1243. #ifdef SIGBUS

  1244.     signal(SIGBUS, sighandler);

  1245. #endif

  1246.     return func_ptr();

  1247. }

  1248. EOF

  1249. }

  1250. 

  1251. check_type(){

  1252.     log check_type "$@"

  1253.     headers=$1

  1254.     type=$2

  1255.     shift 2

  1256.     disable_safe "$type"

  1257.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1258. }

  1259. 

  1260. check_struct(){

  1261.     log check_struct "$@"

  1262.     headers=$1

  1263.     struct=$2

  1264.     member=$3

  1265.     shift 3

  1266.     disable_safe "${struct}_${member}"

  1267.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1268.         enable_safe "${struct}_${member}"

  1269. }

  1270. 

  1271. check_builtin(){

  1272.     log check_builtin "$@"

  1273.     name=$1

  1274.     headers=$2

  1275.     builtin=$3

  1276.     shift 3

  1277.     disable "$name"

  1278.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1279. }

  1280. 

  1281. check_compile_assert(){

  1282.     log check_compile_assert "$@"

  1283.     name=$1

  1284.     headers=$2

  1285.     condition=$3

  1286.     shift 3

  1287.     disable "$name"

  1288.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1289. }

  1290. 

  1291. require(){

  1292.     name="$1"

  1293.     header="$2"

  1294.     func="$3"

  1295.     shift 3

  1296.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1297. }

  1298. 

  1299. require2(){

  1300.     name="$1"

  1301.     headers="$2"

  1302.     func="$3"

  1303.     shift 3

  1304.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1305. }

  1306. 

  1307. require_cpp(){

  1308.     name="$1"

  1309.     headers="$2"

  1310.     classes="$3"

  1311.     shift 3

  1312.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1313. }

  1314. 

  1315. use_pkg_config(){

  1316.     pkg="$1"

  1317.     check_pkg_config "$@" || return 1

  1318.     add_cflags    $(get_safe "${pkg}_cflags")

  1319.     add_extralibs $(get_safe "${pkg}_libs")

  1320. }

  1321. 

  1322. require_pkg_config(){

  1323.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1324. }

  1325. 

  1326. require_libfreetype(){

  1327.     log require_libfreetype "$@"

  1328.     pkg="freetype2"

  1329.     check_cmd $pkg_config --exists --print-errors $pkg \

  1330.       || die "ERROR: $pkg not found"

  1331.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1332.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1333.     {

  1334.         echo "#include <ft2build.h>"

  1335.         echo "#include FT_FREETYPE_H"

  1336.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1337.         echo "int main(void) { return 0; }"

  1338.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1339.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1340.       && set_safe "${pkg}_libs"   $pkg_libs \

  1341.       || die "ERROR: $pkg not found"

  1342.     add_cflags    $(get_safe "${pkg}_cflags")

  1343.     add_extralibs $(get_safe "${pkg}_libs")

  1344. }

  1345. 

  1346. hostcc_e(){

  1347.     eval printf '%s\\n' $HOSTCC_E

  1348. }

  1349. 

  1350. hostcc_o(){

  1351.     eval printf '%s\\n' $HOSTCC_O

  1352. }

  1353. 

  1354. check_host_cc(){

  1355.     log check_host_cc "$@"

  1356.     cat > $TMPC

  1357.     log_file $TMPC

  1358.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1359. }

  1360. 

  1361. check_host_cpp(){

  1362.     log check_host_cpp "$@"

  1363.     cat > $TMPC

  1364.     log_file $TMPC

  1365.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1366. }

  1367. 

  1368. check_host_cppflags(){

  1369.     log check_host_cppflags "$@"

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

  1371. int x;

  1372. EOF

  1373. }

  1374. 

  1375. check_host_cflags(){

  1376.     log check_host_cflags "$@"

  1377.     set -- $($host_cflags_filter "$@")

  1378.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1379. int x;

  1380. EOF

  1381. }

  1382. 

  1383. check_host_cpp_condition(){

  1384.     log check_host_cpp_condition "$@"

  1385.     header=$1

  1386.     condition=$2

  1387.     shift 2

  1388.     check_host_cpp "$@" <<EOF

  1389. #include <$header>

  1390. #if !($condition)

  1391. #error "unsatisfied condition: $condition"

  1392. #endif

  1393. EOF

  1394. }

  1395. 

  1396. cp_if_changed(){

  1397.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1398.     mkdir -p "$(dirname $2)"

  1399.     $cp_f "$1" "$2"

  1400. }

  1401. 

  1402. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1403. # system-dependent things.

  1404. 

  1405. AVCODEC_COMPONENTS="

  1406.     bsfs

  1407.     decoders

  1408.     encoders

  1409.     hwaccels

  1410.     parsers

  1411. "

  1412. 

  1413. AVDEVICE_COMPONENTS="

  1414.     indevs

  1415.     outdevs

  1416. "

  1417. AVFILTER_COMPONENTS="

  1418.     filters

  1419. "

  1420. AVFORMAT_COMPONENTS="

  1421.     demuxers

  1422.     muxers

  1423.     protocols

  1424. "

  1425. 

  1426. AVRESAMPLE_COMPONENTS=""

  1427. AVUTIL_COMPONENTS=""

  1428. 

  1429. COMPONENT_LIST="

  1430.     $AVCODEC_COMPONENTS

  1431.     $AVDEVICE_COMPONENTS

  1432.     $AVFILTER_COMPONENTS

  1433.     $AVFORMAT_COMPONENTS

  1434.     $AVRESAMPLE_COMPONENTS

  1435.     $AVUTIL_COMPONENTS

  1436. "

  1437. 

  1438. EXAMPLE_LIST="

  1439.     avio_reading_example

  1440.     avio_dir_cmd_example

  1441.     decoding_encoding_example

  1442.     demuxing_decoding_example

  1443.     extract_mvs_example

  1444.     filter_audio_example

  1445.     filtering_audio_example

  1446.     filtering_video_example

  1447.     metadata_example

  1448.     muxing_example

  1449.     qsvdec_example

  1450.     remuxing_example

  1451.     resampling_audio_example

  1452.     scaling_video_example

  1453.     transcode_aac_example

  1454.     transcoding_example

  1455. "

  1456. 

  1457. EXTERNAL_LIBRARY_LIST="

  1458.     audiotoolbox

  1459.     avisynth

  1460.     bzlib

  1461.     chromaprint

  1462.     crystalhd

  1463.     decklink

  1464.     frei0r

  1465.     gcrypt

  1466.     gmp

  1467.     gnutls

  1468.     iconv

  1469.     jni

  1470.     ladspa

  1471.     libass

  1472.     libbluray

  1473.     libbs2b

  1474.     libcaca

  1475.     libcdio

  1476.     libcelt

  1477.     libdc1394

  1478.     libebur128

  1479.     libfaac

  1480.     libfdk_aac

  1481.     libflite

  1482.     libfontconfig

  1483.     libfreetype

  1484.     libfribidi

  1485.     libgme

  1486.     libgsm

  1487.     libiec61883

  1488.     libilbc

  1489.     libkvazaar

  1490.     libmodplug

  1491.     libmp3lame

  1492.     libnut

  1493.     libnpp

  1494.     libopencore_amrnb

  1495.     libopencore_amrwb

  1496.     libopencv

  1497.     libopenh264

  1498.     libopenjpeg

  1499.     libopus

  1500.     libpulse

  1501.     librtmp

  1502.     librubberband

  1503.     libschroedinger

  1504.     libshine

  1505.     libsmbclient

  1506.     libsnappy

  1507.     libsoxr

  1508.     libspeex

  1509.     libssh

  1510.     libtesseract

  1511.     libtheora

  1512.     libtwolame

  1513.     libutvideo

  1514.     libv4l2

  1515.     libvidstab

  1516.     libvo_amrwbenc

  1517.     libvorbis

  1518.     libvpx

  1519.     libwavpack

  1520.     libwebp

  1521.     libx264

  1522.     libx265

  1523.     libxavs

  1524.     libxcb

  1525.     libxcb_shm

  1526.     libxcb_shape

  1527.     libxcb_xfixes

  1528.     libxvid

  1529.     libzimg

  1530.     libzmq

  1531.     libzvbi

  1532.     lzma

  1533.     mediacodec

  1534.     netcdf

  1535.     openal

  1536.     opencl

  1537.     opengl

  1538.     openssl

  1539.     schannel

  1540.     sdl

  1541.     securetransport

  1542.     videotoolbox

  1543.     x11grab

  1544.     xlib

  1545.     zlib

  1546. "

  1547. 

  1548. DOCUMENT_LIST="

  1549.     doc

  1550.     htmlpages

  1551.     manpages

  1552.     podpages

  1553.     txtpages

  1554. "

  1555. 

  1556. FEATURE_LIST="

  1557.     ftrapv

  1558.     gray

  1559.     hardcoded_tables

  1560.     omx_rpi

  1561.     runtime_cpudetect

  1562.     safe_bitstream_reader

  1563.     shared

  1564.     small

  1565.     static

  1566.     swscale_alpha

  1567. "

  1568. 

  1569. HW_CODECS_LIST="

  1570.     cuda

  1571.     cuvid

  1572.     libmfx

  1573.     mmal

  1574.     nvenc

  1575.     omx

  1576. "

  1577. 

  1578. HWACCEL_LIST="

  1579.     d3d11va

  1580.     dxva2

  1581.     vaapi

  1582.     vda

  1583.     vdpau

  1584.     videotoolbox_hwaccel

  1585.     xvmc

  1586. "

  1587. 

  1588. LIBRARY_LIST="

  1589.     avcodec

  1590.     avdevice

  1591.     avfilter

  1592.     avformat

  1593.     avresample

  1594.     avutil

  1595.     postproc

  1596.     swresample

  1597.     swscale

  1598. "

  1599. 

  1600. LICENSE_LIST="

  1601.     gpl

  1602.     nonfree

  1603.     version3

  1604. "

  1605. 

  1606. PROGRAM_LIST="

  1607.     ffplay

  1608.     ffprobe

  1609.     ffserver

  1610.     ffmpeg

  1611. "

  1612. 

  1613. SUBSYSTEM_LIST="

  1614.     dct

  1615.     dwt

  1616.     error_resilience

  1617.     faan

  1618.     fast_unaligned

  1619.     fft

  1620.     lsp

  1621.     lzo

  1622.     mdct

  1623.     pixelutils

  1624.     network

  1625.     rdft

  1626. "

  1627. 

  1628. CONFIG_LIST="

  1629.     $COMPONENT_LIST

  1630.     $DOCUMENT_LIST

  1631.     $EXAMPLE_LIST

  1632.     $EXTERNAL_LIBRARY_LIST

  1633.     $FEATURE_LIST

  1634.     $HW_CODECS_LIST

  1635.     $HWACCEL_LIST

  1636.     $LICENSE_LIST

  1637.     $LIBRARY_LIST

  1638.     $PROGRAM_LIST

  1639.     $SUBSYSTEM_LIST

  1640.     fontconfig

  1641.     incompatible_libav_abi

  1642.     memalign_hack

  1643.     memory_poisoning

  1644.     neon_clobber_test

  1645.     pic

  1646.     pod2man

  1647.     raise_major

  1648.     thumb

  1649.     valgrind_backtrace

  1650.     xmm_clobber_test

  1651. "

  1652. 

  1653. THREADS_LIST="

  1654.     pthreads

  1655.     os2threads

  1656.     w32threads

  1657. "

  1658. 

  1659. ATOMICS_LIST="

  1660.     atomics_gcc

  1661.     atomics_suncc

  1662.     atomics_win32

  1663. "

  1664. 

  1665. ARCH_LIST="

  1666.     aarch64

  1667.     alpha

  1668.     arm

  1669.     avr32

  1670.     avr32_ap

  1671.     avr32_uc

  1672.     bfin

  1673.     ia64

  1674.     m68k

  1675.     mips

  1676.     mips64

  1677.     parisc

  1678.     ppc

  1679.     ppc64

  1680.     s390

  1681.     sh4

  1682.     sparc

  1683.     sparc64

  1684.     tilegx

  1685.     tilepro

  1686.     tomi

  1687.     x86

  1688.     x86_32

  1689.     x86_64

  1690. "

  1691. 

  1692. ARCH_EXT_LIST_ARM="

  1693.     armv5te

  1694.     armv6

  1695.     armv6t2

  1696.     armv8

  1697.     neon

  1698.     vfp

  1699.     vfpv3

  1700.     setend

  1701. "

  1702. 

  1703. ARCH_EXT_LIST_MIPS="

  1704.     mipsfpu

  1705.     mips32r2

  1706.     mips32r5

  1707.     mips64r2

  1708.     mips32r6

  1709.     mips64r6

  1710.     mipsdsp

  1711.     mipsdspr2

  1712.     msa

  1713. "

  1714. 

  1715. ARCH_EXT_LIST_LOONGSON="

  1716.     loongson2

  1717.     loongson3

  1718.     mmi

  1719. "

  1720. 

  1721. ARCH_EXT_LIST_X86_SIMD="

  1722.     aesni

  1723.     amd3dnow

  1724.     amd3dnowext

  1725.     avx

  1726.     avx2

  1727.     fma3

  1728.     fma4

  1729.     mmx

  1730.     mmxext

  1731.     sse

  1732.     sse2

  1733.     sse3

  1734.     sse4

  1735.     sse42

  1736.     ssse3

  1737.     xop

  1738. "

  1739. 

  1740. ARCH_EXT_LIST_PPC="

  1741.     altivec

  1742.     dcbzl

  1743.     ldbrx

  1744.     power8

  1745.     ppc4xx

  1746.     vsx

  1747. "

  1748. 

  1749. ARCH_EXT_LIST_X86="

  1750.     $ARCH_EXT_LIST_X86_SIMD

  1751.     cpunop

  1752.     i686

  1753. "

  1754. 

  1755. ARCH_EXT_LIST="

  1756.     $ARCH_EXT_LIST_ARM

  1757.     $ARCH_EXT_LIST_PPC

  1758.     $ARCH_EXT_LIST_X86

  1759.     $ARCH_EXT_LIST_MIPS

  1760.     $ARCH_EXT_LIST_LOONGSON

  1761. "

  1762. 

  1763. ARCH_FEATURES="

  1764.     aligned_stack

  1765.     fast_64bit

  1766.     fast_clz

  1767.     fast_cmov

  1768.     local_aligned_8

  1769.     local_aligned_16

  1770.     local_aligned_32

  1771.     simd_align_16

  1772. "

  1773. 

  1774. BUILTIN_LIST="

  1775.     atomic_cas_ptr

  1776.     atomic_compare_exchange

  1777.     machine_rw_barrier

  1778.     MemoryBarrier

  1779.     mm_empty

  1780.     rdtsc

  1781.     sarestart

  1782.     sem_timedwait

  1783.     sync_val_compare_and_swap

  1784. "

  1785. HAVE_LIST_CMDLINE="

  1786.     inline_asm

  1787.     symver

  1788.     yasm

  1789. "

  1790. 

  1791. HAVE_LIST_PUB="

  1792.     bigendian

  1793.     fast_unaligned

  1794.     incompatible_libav_abi

  1795. "

  1796. 

  1797. HEADERS_LIST="

  1798.     alsa_asoundlib_h

  1799.     altivec_h

  1800.     arpa_inet_h

  1801.     asm_types_h

  1802.     cdio_paranoia_h

  1803.     cdio_paranoia_paranoia_h

  1804.     dispatch_dispatch_h

  1805.     dev_bktr_ioctl_bt848_h

  1806.     dev_bktr_ioctl_meteor_h

  1807.     dev_ic_bt8xx_h

  1808.     dev_video_bktr_ioctl_bt848_h

  1809.     dev_video_meteor_ioctl_meteor_h

  1810.     direct_h

  1811.     dirent_h

  1812.     dlfcn_h

  1813.     d3d11_h

  1814.     dxva_h

  1815.     ES2_gl_h

  1816.     gsm_h

  1817.     io_h

  1818.     mach_mach_time_h

  1819.     machine_ioctl_bt848_h

  1820.     machine_ioctl_meteor_h

  1821.     malloc_h

  1822.     opencv2_core_core_c_h

  1823.     openjpeg_2_1_openjpeg_h

  1824.     openjpeg_2_0_openjpeg_h

  1825.     openjpeg_1_5_openjpeg_h

  1826.     OpenGL_gl3_h

  1827.     poll_h

  1828.     sndio_h

  1829.     soundcard_h

  1830.     sys_mman_h

  1831.     sys_param_h

  1832.     sys_resource_h

  1833.     sys_select_h

  1834.     sys_soundcard_h

  1835.     sys_time_h

  1836.     sys_un_h

  1837.     sys_videoio_h

  1838.     termios_h

  1839.     udplite_h

  1840.     unistd_h

  1841.     valgrind_valgrind_h

  1842.     windows_h

  1843.     winsock2_h

  1844. "

  1845. 

  1846. INTRINSICS_LIST="

  1847.     intrinsics_neon

  1848. "

  1849. 

  1850. COMPLEX_FUNCS="

  1851.     cabs

  1852.     cexp

  1853. "

  1854. 

  1855. MATH_FUNCS="

  1856.     atanf

  1857.     atan2f

  1858.     cbrt

  1859.     cbrtf

  1860.     copysign

  1861.     cosf

  1862.     erf

  1863.     exp2

  1864.     exp2f

  1865.     expf

  1866.     hypot

  1867.     isfinite

  1868.     isinf

  1869.     isnan

  1870.     ldexpf

  1871.     llrint

  1872.     llrintf

  1873.     log2

  1874.     log2f

  1875.     log10f

  1876.     lrint

  1877.     lrintf

  1878.     powf

  1879.     rint

  1880.     round

  1881.     roundf

  1882.     sinf

  1883.     trunc

  1884.     truncf

  1885. "

  1886. 

  1887. SYSTEM_FUNCS="

  1888.     access

  1889.     aligned_malloc

  1890.     arc4random

  1891.     clock_gettime

  1892.     closesocket

  1893.     CommandLineToArgvW

  1894.     CoTaskMemFree

  1895.     CryptGenRandom

  1896.     dlopen

  1897.     fcntl

  1898.     flt_lim

  1899.     fork

  1900.     getaddrinfo

  1901.     gethrtime

  1902.     getopt

  1903.     GetProcessAffinityMask

  1904.     GetProcessMemoryInfo

  1905.     GetProcessTimes

  1906.     getrusage

  1907.     GetSystemTimeAsFileTime

  1908.     gettimeofday

  1909.     glob

  1910.     glXGetProcAddress

  1911.     gmtime_r

  1912.     inet_aton

  1913.     isatty

  1914.     jack_port_get_latency_range

  1915.     kbhit

  1916.     localtime_r

  1917.     lstat

  1918.     lzo1x_999_compress

  1919.     mach_absolute_time

  1920.     MapViewOfFile

  1921.     memalign

  1922.     mkstemp

  1923.     mmap

  1924.     mprotect

  1925.     nanosleep

  1926.     PeekNamedPipe

  1927.     posix_memalign

  1928.     pthread_cancel

  1929.     sched_getaffinity

  1930.     SetConsoleTextAttribute

  1931.     SetConsoleCtrlHandler

  1932.     setmode

  1933.     setrlimit

  1934.     Sleep

  1935.     strerror_r

  1936.     sysconf

  1937.     sysctl

  1938.     usleep

  1939.     UTGetOSTypeFromString

  1940.     VirtualAlloc

  1941.     wglGetProcAddress

  1942. "

  1943. 

  1944. TOOLCHAIN_FEATURES="

  1945.     as_dn_directive

  1946.     as_func

  1947.     as_object_arch

  1948.     asm_mod_q

  1949.     attribute_may_alias

  1950.     attribute_packed

  1951.     ebp_available

  1952.     ebx_available

  1953.     gnu_as

  1954.     gnu_windres

  1955.     ibm_asm

  1956.     inline_asm_direct_symbol_refs

  1957.     inline_asm_labels

  1958.     inline_asm_nonlocal_labels

  1959.     pragma_deprecated

  1960.     rsync_contimeout

  1961.     symver_asm_label

  1962.     symver_gnu_asm

  1963.     vfp_args

  1964.     xform_asm

  1965.     xmm_clobbers

  1966. "

  1967. 

  1968. TYPES_LIST="

  1969.     CONDITION_VARIABLE_Ptr

  1970.     socklen_t

  1971.     struct_addrinfo

  1972.     struct_group_source_req

  1973.     struct_ip_mreq_source

  1974.     struct_ipv6_mreq

  1975.     struct_msghdr_msg_flags

  1976.     struct_pollfd

  1977.     struct_rusage_ru_maxrss

  1978.     struct_sctp_event_subscribe

  1979.     struct_sockaddr_in6

  1980.     struct_sockaddr_sa_len

  1981.     struct_sockaddr_storage

  1982.     struct_stat_st_mtim_tv_nsec

  1983.     struct_v4l2_frmivalenum_discrete

  1984. "

  1985. 

  1986. HAVE_LIST="

  1987.     $ARCH_EXT_LIST

  1988.     $(add_suffix _external $ARCH_EXT_LIST)

  1989.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1990.     $ARCH_FEATURES

  1991.     $ATOMICS_LIST

  1992.     $BUILTIN_LIST

  1993.     $COMPLEX_FUNCS

  1994.     $HAVE_LIST_CMDLINE

  1995.     $HAVE_LIST_PUB

  1996.     $HEADERS_LIST

  1997.     $INTRINSICS_LIST

  1998.     $MATH_FUNCS

  1999.     $SYSTEM_FUNCS

  2000.     $THREADS_LIST

  2001.     $TOOLCHAIN_FEATURES

  2002.     $TYPES_LIST

  2003.     atomics_native

  2004.     dos_paths

  2005.     dxva2_lib

  2006.     dxva2api_cobj

  2007.     libc_msvcrt

  2008.     libdc1394_1

  2009.     libdc1394_2

  2010.     makeinfo

  2011.     makeinfo_html

  2012.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2013.     perl

  2014.     pod2man

  2015.     sdl

  2016.     section_data_rel_ro

  2017.     texi2html

  2018.     threads

  2019.     vaapi_drm

  2020.     vaapi_x11

  2021.     vdpau_x11

  2022.     winrt

  2023.     xlib

  2024. "

  2025. 

  2026. # options emitted with CONFIG_ prefix but not available on the command line

  2027. CONFIG_EXTRA="

  2028.     aandcttables

  2029.     ac3dsp

  2030.     audio_frame_queue

  2031.     audiodsp

  2032.     blockdsp

  2033.     bswapdsp

  2034.     cabac

  2035.     dirac_parse

  2036.     dvprofile

  2037.     exif

  2038.     faandct

  2039.     faanidct

  2040.     fdctdsp

  2041.     flacdsp

  2042.     fmtconvert

  2043.     frame_thread_encoder

  2044.     g722dsp

  2045.     golomb

  2046.     gplv3

  2047.     h263dsp

  2048.     h264chroma

  2049.     h264dsp

  2050.     h264pred

  2051.     h264qpel

  2052.     hpeldsp

  2053.     huffman

  2054.     huffyuvdsp

  2055.     huffyuvencdsp

  2056.     idctdsp

  2057.     iirfilter

  2058.     imdct15

  2059.     intrax8

  2060.     iso_media

  2061.     ividsp

  2062.     jpegtables

  2063.     lgplv3

  2064.     libx262

  2065.     llauddsp

  2066.     llviddsp

  2067.     lpc

  2068.     lzf

  2069.     me_cmp

  2070.     mpeg_er

  2071.     mpegaudio

  2072.     mpegaudiodsp

  2073.     mpegvideo

  2074.     mpegvideoenc

  2075.     mss34dsp

  2076.     pixblockdsp

  2077.     qpeldsp

  2078.     qsv

  2079.     qsvdec

  2080.     qsvenc

  2081.     rangecoder

  2082.     riffdec

  2083.     riffenc

  2084.     rtpdec

  2085.     rtpenc_chain

  2086.     rv34dsp

  2087.     sinewin

  2088.     snappy

  2089.     srtp

  2090.     startcode

  2091.     texturedsp

  2092.     texturedspenc

  2093.     tpeldsp

  2094.     vaapi_encode

  2095.     vc1dsp

  2096.     videodsp

  2097.     vp3dsp

  2098.     vp56dsp

  2099.     vp8dsp

  2100.     vt_bt2020

  2101.     wma_freqs

  2102.     wmv2dsp

  2103. "

  2104. 

  2105. CMDLINE_SELECT="

  2106.     $ARCH_EXT_LIST

  2107.     $CONFIG_LIST

  2108.     $HAVE_LIST_CMDLINE

  2109.     $THREADS_LIST

  2110.     asm

  2111.     cross_compile

  2112.     debug

  2113.     extra_warnings

  2114.     logging

  2115.     lto

  2116.     optimizations

  2117.     rpath

  2118.     stripping

  2119. "

  2120. 

  2121. PATHS_LIST="

  2122.     bindir

  2123.     datadir

  2124.     docdir

  2125.     incdir

  2126.     libdir

  2127.     mandir

  2128.     pkgconfigdir

  2129.     prefix

  2130.     shlibdir

  2131.     install_name_dir

  2132. "

  2133. 

  2134. CMDLINE_SET="

  2135.     $PATHS_LIST

  2136.     ar

  2137.     arch

  2138.     as

  2139.     assert_level

  2140.     build_suffix

  2141.     cc

  2142.     objcc

  2143.     cpu

  2144.     cross_prefix

  2145.     custom_allocator

  2146.     cxx

  2147.     dep_cc

  2148.     doxygen

  2149.     env

  2150.     extra_version

  2151.     gas

  2152.     host_cc

  2153.     host_cflags

  2154.     host_ld

  2155.     host_ldflags

  2156.     host_libs

  2157.     host_os

  2158.     install

  2159.     ld

  2160.     ln_s

  2161.     logfile

  2162.     malloc_prefix

  2163.     nm

  2164.     optflags

  2165.     pkg_config

  2166.     pkg_config_flags

  2167.     progs_suffix

  2168.     random_seed

  2169.     ranlib

  2170.     samples

  2171.     strip

  2172.     sws_max_filter_size

  2173.     sysinclude

  2174.     sysroot

  2175.     target_exec

  2176.     target_os

  2177.     target_path

  2178.     target_samples

  2179.     tempprefix

  2180.     toolchain

  2181.     valgrind

  2182.     yasmexe

  2183. "

  2184. 

  2185. CMDLINE_APPEND="

  2186.     extra_cflags

  2187.     extra_cxxflags

  2188.     extra_objcflags

  2189.     host_cppflags

  2190. "

  2191. 

  2192. # code dependency declarations

  2193. 

  2194. # architecture extensions

  2195. 

  2196. armv5te_deps="arm"

  2197. armv6_deps="arm"

  2198. armv6t2_deps="arm"

  2199. armv8_deps="aarch64"

  2200. neon_deps_any="aarch64 arm"

  2201. intrinsics_neon_deps="neon"

  2202. vfp_deps_any="aarch64 arm"

  2203. vfpv3_deps="vfp"

  2204. setend_deps="arm"

  2205. 

  2206. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2207. 

  2208. mipsfpu_deps="mips"

  2209. mipsdsp_deps="mips"

  2210. mipsdspr2_deps="mips"

  2211. mips32r2_deps="mips"

  2212. mips32r5_deps="mips"

  2213. mips32r6_deps="mips"

  2214. mips64r2_deps="mips"

  2215. mips64r6_deps="mips"

  2216. msa_deps="mipsfpu"

  2217. mmi_deps="mips"

  2218. 

  2219. altivec_deps="ppc"

  2220. dcbzl_deps="ppc"

  2221. ldbrx_deps="ppc"

  2222. ppc4xx_deps="ppc"

  2223. vsx_deps="altivec"

  2224. power8_deps="vsx"

  2225. 

  2226. cpunop_deps="i686"

  2227. x86_64_select="i686"

  2228. x86_64_suggest="fast_cmov"

  2229. 

  2230. amd3dnow_deps="mmx"

  2231. amd3dnowext_deps="amd3dnow"

  2232. i686_deps="x86"

  2233. mmx_deps="x86"

  2234. mmxext_deps="mmx"

  2235. sse_deps="mmxext"

  2236. sse2_deps="sse"

  2237. sse3_deps="sse2"

  2238. ssse3_deps="sse3"

  2239. sse4_deps="ssse3"

  2240. sse42_deps="sse4"

  2241. aesni_deps="sse42"

  2242. avx_deps="sse42"

  2243. xop_deps="avx"

  2244. fma3_deps="avx"

  2245. fma4_deps="avx"

  2246. avx2_deps="avx"

  2247. 

  2248. mmx_external_deps="yasm"

  2249. mmx_inline_deps="inline_asm"

  2250. mmx_suggest="mmx_external mmx_inline"

  2251. 

  2252. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2253.     eval dep=\$${ext}_deps

  2254.     eval ${ext}_external_deps='"${dep}_external"'

  2255.     eval ${ext}_inline_deps='"${dep}_inline"'

  2256.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2257. done

  2258. 

  2259. aligned_stack_if_any="aarch64 ppc x86"

  2260. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2261. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2262. fast_unaligned_if_any="aarch64 ppc x86"

  2263. simd_align_16_if_any="altivec neon sse"

  2264. 

  2265. # system capabilities

  2266. symver_if_any="symver_asm_label symver_gnu_asm"

  2267. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2268. 

  2269. # threading support

  2270. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2271. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2272. atomics_win32_if="MemoryBarrier"

  2273. atomics_native_if_any="$ATOMICS_LIST"

  2274. w32threads_deps="atomics_native"

  2275. threads_if_any="$THREADS_LIST"

  2276. 

  2277. # subsystems

  2278. dct_select="rdft"

  2279. dirac_parse_select="golomb"

  2280. error_resilience_select="me_cmp"

  2281. faandct_deps="faan fdctdsp"

  2282. faanidct_deps="faan idctdsp"

  2283. h264dsp_select="startcode"

  2284. frame_thread_encoder_deps="encoders threads"

  2285. intrax8_select="blockdsp idctdsp"

  2286. mdct_select="fft"

  2287. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2288. mpeg_er_select="error_resilience"

  2289. mpegaudio_select="mpegaudiodsp"

  2290. mpegaudiodsp_select="dct"

  2291. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2292. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2293. vc1dsp_select="h264chroma qpeldsp startcode"

  2294. rdft_select="fft"

  2295. 

  2296. # decoders / encoders

  2297. aac_decoder_select="imdct15 mdct sinewin"

  2298. aac_fixed_decoder_select="mdct sinewin"

  2299. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2300. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2301. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2302. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2303. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2304. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2305. adpcm_g722_decoder_select="g722dsp"

  2306. adpcm_g722_encoder_select="g722dsp"

  2307. aic_decoder_select="golomb idctdsp"

  2308. alac_encoder_select="lpc"

  2309. als_decoder_select="bswapdsp"

  2310. amrnb_decoder_select="lsp"

  2311. amrwb_decoder_select="lsp"

  2312. amv_decoder_select="sp5x_decoder exif"

  2313. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2314. ape_decoder_select="bswapdsp llauddsp"

  2315. apng_decoder_select="zlib"

  2316. apng_encoder_select="huffyuvencdsp zlib"

  2317. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2318. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2319. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2320. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2321. atrac1_decoder_select="mdct sinewin"

  2322. atrac3_decoder_select="mdct"

  2323. atrac3p_decoder_select="mdct sinewin"

  2324. avrn_decoder_select="exif jpegtables"

  2325. bink_decoder_select="blockdsp hpeldsp"

  2326. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2327. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2328. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2329. cllc_decoder_select="bswapdsp"

  2330. comfortnoise_encoder_select="lpc"

  2331. cook_decoder_select="audiodsp mdct sinewin"

  2332. cscd_decoder_select="lzo"

  2333. cscd_decoder_suggest="zlib"

  2334. dca_decoder_select="mdct"

  2335. dds_decoder_select="texturedsp"

  2336. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2337. dnxhd_decoder_select="blockdsp idctdsp"

  2338. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2339. dvvideo_decoder_select="dvprofile idctdsp"

  2340. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2341. dxa_decoder_select="zlib"

  2342. dxv_decoder_select="lzf texturedsp"

  2343. eac3_decoder_select="ac3_decoder"

  2344. eac3_encoder_select="ac3_encoder"

  2345. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2346. eatgq_decoder_select="aandcttables"

  2347. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2348. exr_decoder_select="zlib"

  2349. ffv1_decoder_select="golomb rangecoder"

  2350. ffv1_encoder_select="rangecoder"

  2351. ffvhuff_decoder_select="huffyuv_decoder"

  2352. ffvhuff_encoder_select="huffyuv_encoder"

  2353. fic_decoder_select="golomb"

  2354. flac_decoder_select="flacdsp golomb"

  2355. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2356. flashsv2_decoder_select="zlib"

  2357. flashsv2_encoder_select="zlib"

  2358. flashsv_decoder_select="zlib"

  2359. flashsv_encoder_select="zlib"

  2360. flv_decoder_select="h263_decoder"

  2361. flv_encoder_select="h263_encoder"

  2362. fourxm_decoder_select="blockdsp bswapdsp"

  2363. fraps_decoder_select="bswapdsp huffman"

  2364. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2365. g729_decoder_select="audiodsp"

  2366. h261_decoder_select="mpegvideo"

  2367. h261_encoder_select="aandcttables mpegvideoenc"

  2368. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2369. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2370. h263i_decoder_select="h263_decoder"

  2371. h263p_decoder_select="h263_decoder"

  2372. h263p_encoder_select="h263_encoder"

  2373. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"

  2374. h264_decoder_suggest="error_resilience"

  2375. hap_decoder_select="snappy texturedsp"

  2376. hap_encoder_deps="libsnappy"

  2377. hap_encoder_select="texturedspenc"

  2378. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2379. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2380. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2381. iac_decoder_select="imc_decoder"

  2382. imc_decoder_select="bswapdsp fft mdct sinewin"

  2383. indeo3_decoder_select="hpeldsp"

  2384. indeo4_decoder_select="ividsp"

  2385. indeo5_decoder_select="ividsp"

  2386. interplay_video_decoder_select="hpeldsp"

  2387. jpegls_decoder_select="golomb mjpeg_decoder"

  2388. jpegls_encoder_select="golomb"

  2389. jv_decoder_select="blockdsp"

  2390. lagarith_decoder_select="huffyuvdsp"

  2391. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2392. loco_decoder_select="golomb"

  2393. magicyuv_decoder_select="huffyuvdsp"

  2394. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2395. metasound_decoder_select="lsp mdct sinewin"

  2396. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2397. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2398. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2399. mjpegb_decoder_select="mjpeg_decoder"

  2400. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  2401. mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"

  2402. mlp_decoder_select="mlp_parser"

  2403. motionpixels_decoder_select="bswapdsp"

  2404. mp1_decoder_select="mpegaudio"

  2405. mp1float_decoder_select="mpegaudio"

  2406. mp2_decoder_select="mpegaudio"

  2407. mp2float_decoder_select="mpegaudio"

  2408. mp3_decoder_select="mpegaudio"

  2409. mp3adu_decoder_select="mpegaudio"

  2410. mp3adufloat_decoder_select="mpegaudio"

  2411. mp3float_decoder_select="mpegaudio"

  2412. mp3on4_decoder_select="mpegaudio"

  2413. mp3on4float_decoder_select="mpegaudio"

  2414. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2415. mpc8_decoder_select="mpegaudiodsp"

  2416. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2417. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2418. mpegvideo_decoder_select="mpegvideo"

  2419. mpeg1video_decoder_select="mpegvideo"

  2420. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2421. mpeg2video_decoder_select="mpegvideo"

  2422. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2423. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2424. mpeg4_encoder_select="h263_encoder"

  2425. msa1_decoder_select="mss34dsp"

  2426. msmpeg4v1_decoder_select="h263_decoder"

  2427. msmpeg4v2_decoder_select="h263_decoder"

  2428. msmpeg4v2_encoder_select="h263_encoder"

  2429. msmpeg4v3_decoder_select="h263_decoder"

  2430. msmpeg4v3_encoder_select="h263_encoder"

  2431. mss2_decoder_select="vc1_decoder mpegvideo"

  2432. mts2_decoder_select="mss34dsp"

  2433. mxpeg_decoder_select="mjpeg_decoder"

  2434. nellymoser_decoder_select="mdct sinewin"

  2435. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2436. nuv_decoder_select="idctdsp lzo"

  2437. on2avc_decoder_select="mdct"

  2438. opus_decoder_deps="swresample"

  2439. opus_decoder_select="imdct15"

  2440. png_decoder_select="zlib"

  2441. png_encoder_select="huffyuvencdsp zlib"

  2442. prores_decoder_select="blockdsp idctdsp"

  2443. prores_encoder_select="fdctdsp"

  2444. qcelp_decoder_select="lsp"

  2445. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2446. ra_144_decoder_select="audiodsp"

  2447. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2448. ralf_decoder_select="golomb"

  2449. rawvideo_decoder_select="bswapdsp"

  2450. rscc_decoder_select="zlib"

  2451. rtjpeg_decoder_select="me_cmp"

  2452. rv10_decoder_select="h263_decoder"

  2453. rv10_encoder_select="h263_encoder"

  2454. rv20_decoder_select="h263_decoder"

  2455. rv20_encoder_select="h263_encoder"

  2456. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2457. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2458. screenpresso_decoder_select="zlib"

  2459. shorten_decoder_select="golomb"

  2460. sipr_decoder_select="lsp"

  2461. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2462. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2463. sonic_decoder_select="golomb rangecoder"

  2464. sonic_encoder_select="golomb rangecoder"

  2465. sonic_ls_encoder_select="golomb rangecoder"

  2466. sp5x_decoder_select="mjpeg_decoder"

  2467. svq1_decoder_select="hpeldsp"

  2468. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2469. svq3_decoder_select="golomb h264dsp h264pred hpeldsp tpeldsp videodsp"

  2470. svq3_decoder_suggest="zlib"

  2471. tak_decoder_select="audiodsp"

  2472. tdsc_decoder_select="zlib mjpeg_decoder"

  2473. theora_decoder_select="vp3_decoder"

  2474. thp_decoder_select="mjpeg_decoder"

  2475. tiff_decoder_suggest="zlib lzma"

  2476. tiff_encoder_suggest="zlib"

  2477. truehd_decoder_select="mlp_parser"

  2478. truemotion2_decoder_select="bswapdsp"

  2479. truespeech_decoder_select="bswapdsp"

  2480. tscc_decoder_select="zlib"

  2481. twinvq_decoder_select="mdct lsp sinewin"

  2482. txd_decoder_select="texturedsp"

  2483. utvideo_decoder_select="bswapdsp"

  2484. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2485. vble_decoder_select="huffyuvdsp"

  2486. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2487. vc1_qsv_decoder_deps="libmfx"

  2488. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2489. vc1image_decoder_select="vc1_decoder"

  2490. vorbis_decoder_select="mdct"

  2491. vorbis_encoder_select="mdct"

  2492. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2493. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2494. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2495. vp6a_decoder_select="vp6_decoder"

  2496. vp6f_decoder_select="vp6_decoder"

  2497. vp7_decoder_select="h264pred videodsp vp8dsp"

  2498. vp8_decoder_select="h264pred videodsp vp8dsp"

  2499. vp9_decoder_select="videodsp vp9_parser"

  2500. webp_decoder_select="vp8_decoder exif"

  2501. wmalossless_decoder_select="llauddsp"

  2502. wmapro_decoder_select="mdct sinewin wma_freqs"

  2503. wmav1_decoder_select="mdct sinewin wma_freqs"

  2504. wmav1_encoder_select="mdct sinewin wma_freqs"

  2505. wmav2_decoder_select="mdct sinewin wma_freqs"

  2506. wmav2_encoder_select="mdct sinewin wma_freqs"

  2507. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2508. wmv1_decoder_select="h263_decoder"

  2509. wmv1_encoder_select="h263_encoder"

  2510. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2511. wmv2_encoder_select="h263_encoder wmv2dsp"

  2512. wmv3_decoder_select="vc1_decoder"

  2513. wmv3image_decoder_select="wmv3_decoder"

  2514. xma1_decoder_select="wmapro_decoder"

  2515. xma2_decoder_select="wmapro_decoder"

  2516. zerocodec_decoder_select="zlib"

  2517. zlib_decoder_select="zlib"

  2518. zlib_encoder_select="zlib"

  2519. zmbv_decoder_select="zlib"

  2520. zmbv_encoder_select="zlib"

  2521. 

  2522. # platform codecs

  2523. audiotoolbox_deps="AudioToolbox_AudioToolbox_h"

  2524. audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"

  2525. 

  2526. # hardware accelerators

  2527. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2528. cuvid_deps="cuda"

  2529. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2530. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2531. vaapi_deps="va_va_h"

  2532. vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"

  2533. vda_framework_extralibs="-framework VideoDecodeAcceleration"

  2534. vda_deps="vda_framework pthreads"

  2535. vda_extralibs="-framework CoreFoundation -framework QuartzCore"

  2536. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2537. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2538. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2539. xvmc_deps="X11_extensions_XvMClib_h"

  2540. 

  2541. h263_vaapi_hwaccel_deps="vaapi"

  2542. h263_vaapi_hwaccel_select="h263_decoder"

  2543. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2544. h263_videotoolbox_hwaccel_select="h263_decoder"

  2545. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2546. h264_cuvid_hwaccel_deps="cuda cuvid CUVIDH264PICPARAMS"

  2547. h264_d3d11va_hwaccel_deps="d3d11va"

  2548. h264_d3d11va_hwaccel_select="h264_decoder"

  2549. h264_dxva2_hwaccel_deps="dxva2"

  2550. h264_dxva2_hwaccel_select="h264_decoder"

  2551. h264_mediacodec_decoder_deps="mediacodec"

  2552. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2553. h264_mmal_decoder_deps="mmal"

  2554. h264_mmal_decoder_select="mmal"

  2555. h264_mmal_hwaccel_deps="mmal"

  2556. h264_omx_encoder_deps="omx"

  2557. h264_qsv_hwaccel_deps="libmfx"

  2558. h264_vaapi_hwaccel_deps="vaapi"

  2559. h264_vaapi_hwaccel_select="h264_decoder"

  2560. h264_vda_decoder_deps="vda"

  2561. h264_vda_decoder_select="h264_decoder"

  2562. h264_vda_hwaccel_deps="vda"

  2563. h264_vda_hwaccel_select="h264_decoder"

  2564. h264_vda_old_hwaccel_deps="vda"

  2565. h264_vda_old_hwaccel_select="h264_decoder"

  2566. h264_vdpau_decoder_deps="vdpau"

  2567. h264_vdpau_decoder_select="h264_decoder"

  2568. h264_vdpau_hwaccel_deps="vdpau"

  2569. h264_vdpau_hwaccel_select="h264_decoder"

  2570. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2571. h264_videotoolbox_hwaccel_select="h264_decoder"

  2572. hevc_cuvid_hwaccel_deps="cuda cuvid CUVIDHEVCPICPARAMS"

  2573. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2574. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2575. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2576. hevc_dxva2_hwaccel_select="hevc_decoder"

  2577. hevc_qsv_hwaccel_deps="libmfx"

  2578. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2579. hevc_vaapi_hwaccel_select="hevc_decoder"

  2580. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2581. hevc_vdpau_hwaccel_select="hevc_decoder"

  2582. mpeg_vdpau_decoder_deps="vdpau"

  2583. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2584. mpeg_xvmc_hwaccel_deps="xvmc"

  2585. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2586. mpeg1_vdpau_decoder_deps="vdpau"

  2587. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2588. mpeg1_vdpau_hwaccel_deps="vdpau"

  2589. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2590. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2591. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2592. mpeg1_xvmc_hwaccel_deps="xvmc"

  2593. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2594. mpeg2_crystalhd_decoder_select="crystalhd"

  2595. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2596. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2597. mpeg2_dxva2_hwaccel_deps="dxva2"

  2598. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2599. mpeg2_mmal_decoder_deps="mmal"

  2600. mpeg2_mmal_decoder_select="mmal"

  2601. mpeg2_mmal_hwaccel_deps="mmal"

  2602. mpeg2_qsv_hwaccel_deps="libmfx"

  2603. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2604. mpeg2_vaapi_hwaccel_deps="vaapi"

  2605. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2606. mpeg2_vdpau_hwaccel_deps="vdpau"

  2607. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2608. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2609. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2610. mpeg2_xvmc_hwaccel_deps="xvmc"

  2611. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2612. mpeg4_crystalhd_decoder_select="crystalhd"

  2613. mpeg4_mmal_decoder_deps="mmal"

  2614. mpeg4_mmal_decoder_select="mmal"

  2615. mpeg4_mmal_hwaccel_deps="mmal"

  2616. mpeg4_omx_encoder_deps="omx"

  2617. mpeg4_vaapi_hwaccel_deps="vaapi"

  2618. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2619. mpeg4_vdpau_decoder_deps="vdpau"

  2620. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2621. mpeg4_vdpau_hwaccel_deps="vdpau"

  2622. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2623. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2624. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2625. msmpeg4_crystalhd_decoder_select="crystalhd"

  2626. vc1_crystalhd_decoder_select="crystalhd"

  2627. vc1_cuvid_hwaccel_deps="cuda cuvid CUVIDVC1PICPARAMS"

  2628. vc1_d3d11va_hwaccel_deps="d3d11va"

  2629. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2630. vc1_dxva2_hwaccel_deps="dxva2"

  2631. vc1_dxva2_hwaccel_select="vc1_decoder"

  2632. vc1_mmal_decoder_deps="mmal"

  2633. vc1_mmal_decoder_select="mmal"

  2634. vc1_mmal_hwaccel_deps="mmal"

  2635. vc1_qsv_hwaccel_deps="libmfx"

  2636. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2637. vc1_vaapi_hwaccel_deps="vaapi"

  2638. vc1_vaapi_hwaccel_select="vc1_decoder"

  2639. vc1_vdpau_decoder_deps="vdpau"

  2640. vc1_vdpau_decoder_select="vc1_decoder"

  2641. vc1_vdpau_hwaccel_deps="vdpau"

  2642. vc1_vdpau_hwaccel_select="vc1_decoder"

  2643. vp8_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2644. vp9_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2645. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2646. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2647. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2648. vp9_dxva2_hwaccel_select="vp9_decoder"

  2649. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2650. vp9_vaapi_hwaccel_select="vp9_decoder"

  2651. wmv3_crystalhd_decoder_select="crystalhd"

  2652. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2653. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2654. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2655. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2656. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2657. 

  2658. # hardware-accelerated codecs

  2659. omx_deps="dlopen pthreads"

  2660. omx_extralibs='$ldl'

  2661. qsvdec_select="qsv"

  2662. qsvenc_select="qsv"

  2663. vaapi_encode_deps="vaapi"

  2664. 

  2665. hwupload_cuda_filter_deps="cuda"

  2666. scale_npp_filter_deps="cuda libnpp"

  2667. 

  2668. nvenc_encoder_deps="nvenc"

  2669. h264_cuvid_decoder_deps="cuda cuvid CUVIDH264PICPARAMS"

  2670. h264_cuvid_decoder_select="h264_mp4toannexb_bsf h264_cuvid_hwaccel"

  2671. h264_qsv_decoder_deps="libmfx"

  2672. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2673. h264_qsv_encoder_deps="libmfx"

  2674. h264_qsv_encoder_select="qsvenc"

  2675. h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"

  2676. h264_vaapi_encoder_select="vaapi_encode golomb"

  2677. 

  2678. hevc_cuvid_decoder_deps="cuda cuvid CUVIDHEVCPICPARAMS"

  2679. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf hevc_cuvid_hwaccel"

  2680. hevc_qsv_decoder_deps="libmfx"

  2681. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2682. hevc_qsv_encoder_deps="libmfx"

  2683. hevc_qsv_encoder_select="qsvenc"

  2684. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  2685. hevc_vaapi_encoder_select="vaapi_encode golomb"

  2686. mpeg2_qsv_decoder_deps="libmfx"

  2687. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2688. mpeg2_qsv_encoder_deps="libmfx"

  2689. mpeg2_qsv_encoder_select="qsvenc"

  2690. nvenc_h264_encoder_deps="nvenc"

  2691. nvenc_hevc_encoder_deps="nvenc"

  2692. 

  2693. vc1_cuvid_decoder_deps="cuda cuvid CUVIDVC1PICPARAMS"

  2694. vc1_cuvid_decoder_select="vc1_cuvid_hwaccel"

  2695. vp8_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2696. vp8_cuvid_decoder_select="vp8_cuvid_hwaccel"

  2697. vp9_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2698. vp9_cuvid_decoder_select="vp9_cuvid_hwaccel"

  2699. 

  2700. # parsers

  2701. h264_parser_select="golomb h264dsp"

  2702. hevc_parser_select="golomb"

  2703. mpegvideo_parser_select="mpegvideo"

  2704. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2705. vc1_parser_select="vc1dsp"

  2706. 

  2707. # bitstream_filters

  2708. mjpeg2jpeg_bsf_select="jpegtables"

  2709. 

  2710. # external libraries

  2711. aac_at_decoder_deps="audiotoolbox"

  2712. ac3_at_decoder_deps="audiotoolbox"

  2713. ac3_at_decoder_select="ac3_parser"

  2714. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  2715. alac_at_decoder_deps="audiotoolbox"

  2716. amr_nb_at_decoder_deps="audiotoolbox"

  2717. eac3_at_decoder_deps="audiotoolbox"

  2718. eac3_at_decoder_select="ac3_parser"

  2719. gsm_ms_at_decoder_deps="audiotoolbox"

  2720. ilbc_at_decoder_deps="audiotoolbox"

  2721. mp1_at_decoder_deps="audiotoolbox"

  2722. mp2_at_decoder_deps="audiotoolbox"

  2723. mp3_at_decoder_deps="audiotoolbox"

  2724. pcm_alaw_at_decoder_deps="audiotoolbox"

  2725. pcm_mulaw_at_decoder_deps="audiotoolbox"

  2726. qdmc_at_decoder_deps="audiotoolbox"

  2727. qdm2_at_decoder_deps="audiotoolbox"

  2728. aac_at_encoder_deps="audiotoolbox"

  2729. aac_at_encoder_select="audio_frame_queue"

  2730. alac_at_encoder_deps="audiotoolbox"

  2731. alac_at_encoder_select="audio_frame_queue"

  2732. ilbc_at_encoder_deps="audiotoolbox"

  2733. ilbc_at_encoder_select="audio_frame_queue"

  2734. pcm_alaw_at_encoder_deps="audiotoolbox"

  2735. pcm_alaw_at_encoder_select="audio_frame_queue"

  2736. pcm_mulaw_at_encoder_deps="audiotoolbox"

  2737. pcm_mulaw_at_encoder_select="audio_frame_queue"

  2738. chromaprint_muxer_deps="chromaprint"

  2739. h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"

  2740. libcelt_decoder_deps="libcelt"

  2741. libfaac_encoder_deps="libfaac"

  2742. libfaac_encoder_select="audio_frame_queue"

  2743. libfdk_aac_decoder_deps="libfdk_aac"

  2744. libfdk_aac_encoder_deps="libfdk_aac"

  2745. libfdk_aac_encoder_select="audio_frame_queue"

  2746. libgme_demuxer_deps="libgme"

  2747. libgsm_decoder_deps="libgsm"

  2748. libgsm_encoder_deps="libgsm"

  2749. libgsm_ms_decoder_deps="libgsm"

  2750. libgsm_ms_encoder_deps="libgsm"

  2751. libilbc_decoder_deps="libilbc"

  2752. libilbc_encoder_deps="libilbc"

  2753. libkvazaar_encoder_deps="libkvazaar"

  2754. libmodplug_demuxer_deps="libmodplug"

  2755. libmp3lame_encoder_deps="libmp3lame"

  2756. libmp3lame_encoder_select="audio_frame_queue"

  2757. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2758. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2759. libopencore_amrnb_encoder_select="audio_frame_queue"

  2760. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2761. libopenh264_encoder_deps="libopenh264"

  2762. libopenjpeg_decoder_deps="libopenjpeg"

  2763. libopenjpeg_encoder_deps="libopenjpeg"

  2764. libopus_decoder_deps="libopus"

  2765. libopus_encoder_deps="libopus"

  2766. libopus_encoder_select="audio_frame_queue"

  2767. libschroedinger_decoder_deps="libschroedinger"

  2768. libschroedinger_encoder_deps="libschroedinger"

  2769. libshine_encoder_deps="libshine"

  2770. libshine_encoder_select="audio_frame_queue"

  2771. libspeex_decoder_deps="libspeex"

  2772. libspeex_encoder_deps="libspeex"

  2773. libspeex_encoder_select="audio_frame_queue"

  2774. libtheora_encoder_deps="libtheora"

  2775. libtwolame_encoder_deps="libtwolame"

  2776. libutvideo_decoder_deps="libutvideo"

  2777. libutvideo_encoder_deps="libutvideo"

  2778. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2779. libvorbis_decoder_deps="libvorbis"

  2780. libvorbis_encoder_deps="libvorbis"

  2781. libvorbis_encoder_select="audio_frame_queue"

  2782. libvpx_vp8_decoder_deps="libvpx"

  2783. libvpx_vp8_encoder_deps="libvpx"

  2784. libvpx_vp9_decoder_deps="libvpx"

  2785. libvpx_vp9_encoder_deps="libvpx"

  2786. libwavpack_encoder_deps="libwavpack"

  2787. libwebp_encoder_deps="libwebp"

  2788. libwebp_anim_encoder_deps="libwebp"

  2789. libx262_encoder_deps="libx262"

  2790. libx264_encoder_deps="libx264"

  2791. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  2792. libx264rgb_encoder_select="libx264_encoder"

  2793. libx265_encoder_deps="libx265"

  2794. libxavs_encoder_deps="libxavs"

  2795. libxvid_encoder_deps="libxvid"

  2796. libzvbi_teletext_decoder_deps="libzvbi"

  2797. videotoolbox_deps="VideoToolbox_VideoToolbox_h"

  2798. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"

  2799. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  2800. videotoolbox_encoder_suggest="vda_framework vt_bt2020"

  2801. vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"

  2802. 

  2803. # demuxers / muxers

  2804. ac3_demuxer_select="ac3_parser"

  2805. asf_demuxer_select="riffdec"

  2806. asf_o_demuxer_select="riffdec"

  2807. asf_muxer_select="riffenc"

  2808. asf_stream_muxer_select="asf_muxer"

  2809. avi_demuxer_select="iso_media riffdec exif"

  2810. avi_muxer_select="riffenc"

  2811. avisynth_demuxer_deps="avisynth"

  2812. avisynth_demuxer_select="riffdec"

  2813. caf_demuxer_select="iso_media riffdec"

  2814. dash_muxer_select="mp4_muxer"

  2815. dirac_demuxer_select="dirac_parser"

  2816. dts_demuxer_select="dca_parser"

  2817. dtshd_demuxer_select="dca_parser"

  2818. dv_demuxer_select="dvprofile"

  2819. dv_muxer_select="dvprofile"

  2820. dxa_demuxer_select="riffdec"

  2821. eac3_demuxer_select="ac3_parser"

  2822. f4v_muxer_select="mov_muxer"

  2823. flac_demuxer_select="flac_parser"

  2824. hds_muxer_select="flv_muxer"

  2825. hls_muxer_select="mpegts_muxer"

  2826. image2_alias_pix_demuxer_select="image2_demuxer"

  2827. image2_brender_pix_demuxer_select="image2_demuxer"

  2828. ipod_muxer_select="mov_muxer"

  2829. ismv_muxer_select="mov_muxer"

  2830. libnut_demuxer_deps="libnut"

  2831. libnut_muxer_deps="libnut"

  2832. matroska_audio_muxer_select="matroska_muxer"

  2833. matroska_demuxer_select="iso_media riffdec"

  2834. matroska_demuxer_suggest="bzlib lzo zlib"

  2835. matroska_muxer_select="iso_media riffenc"

  2836. mmf_muxer_select="riffenc"

  2837. mov_demuxer_select="iso_media riffdec"

  2838. mov_demuxer_suggest="zlib"

  2839. mov_muxer_select="iso_media riffenc rtpenc_chain"

  2840. mp3_demuxer_select="mpegaudio_parser"

  2841. mp4_muxer_select="mov_muxer"

  2842. mpegts_demuxer_select="iso_media"

  2843. mpegts_muxer_select="adts_muxer latm_muxer"

  2844. mpegtsraw_demuxer_select="mpegts_demuxer"

  2845. mxf_d10_muxer_select="mxf_muxer"

  2846. mxf_opatom_muxer_select="mxf_muxer"

  2847. nut_muxer_select="riffenc"

  2848. nuv_demuxer_select="riffdec"

  2849. oga_muxer_select="ogg_muxer"

  2850. ogg_demuxer_select="dirac_parse"

  2851. opus_muxer_select="ogg_muxer"

  2852. psp_muxer_select="mov_muxer"

  2853. rtp_demuxer_select="sdp_demuxer"

  2854. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  2855. rtsp_demuxer_select="http_protocol rtpdec"

  2856. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2857. sap_demuxer_select="sdp_demuxer"

  2858. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2859. sdp_demuxer_select="rtpdec"

  2860. smoothstreaming_muxer_select="ismv_muxer"

  2861. spdif_muxer_select="aac_parser"

  2862. spx_muxer_select="ogg_muxer"

  2863. swf_demuxer_suggest="zlib"

  2864. tak_demuxer_select="tak_parser"

  2865. tg2_muxer_select="mov_muxer"

  2866. tgp_muxer_select="mov_muxer"

  2867. vobsub_demuxer_select="mpegps_demuxer"

  2868. w64_demuxer_select="wav_demuxer"

  2869. w64_muxer_select="wav_muxer"

  2870. wav_demuxer_select="riffdec"

  2871. wav_muxer_select="riffenc"

  2872. webm_muxer_select="iso_media riffenc"

  2873. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2874. wtv_demuxer_select="mpegts_demuxer riffdec"

  2875. wtv_muxer_select="mpegts_muxer riffenc"

  2876. xmv_demuxer_select="riffdec"

  2877. xwma_demuxer_select="riffdec"

  2878. 

  2879. # indevs / outdevs

  2880. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2881. alsa_outdev_deps="alsa_asoundlib_h"

  2882. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2883. avfoundation_indev_select="avfoundation"

  2884. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2885. caca_outdev_deps="libcaca"

  2886. decklink_indev_deps="decklink pthreads"

  2887. decklink_indev_extralibs="-lstdc++"

  2888. decklink_outdev_deps="decklink pthreads"

  2889. decklink_outdev_extralibs="-lstdc++"

  2890. dshow_indev_deps="IBaseFilter"

  2891. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2892. dv1394_indev_deps="dv1394"

  2893. dv1394_indev_select="dv_demuxer"

  2894. fbdev_indev_deps="linux_fb_h"

  2895. fbdev_outdev_deps="linux_fb_h"

  2896. gdigrab_indev_deps="CreateDIBSection"

  2897. gdigrab_indev_extralibs="-lgdi32"

  2898. gdigrab_indev_select="bmp_decoder"

  2899. iec61883_indev_deps="libiec61883"

  2900. jack_indev_deps="jack_jack_h"

  2901. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2902. lavfi_indev_deps="avfilter"

  2903. libcdio_indev_deps="libcdio"

  2904. libdc1394_indev_deps="libdc1394"

  2905. libv4l2_indev_deps="libv4l2"

  2906. openal_indev_deps="openal"

  2907. opengl_outdev_deps="opengl"

  2908. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2909. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2910. pulse_indev_deps="libpulse"

  2911. pulse_outdev_deps="libpulse"

  2912. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2913. qtkit_indev_select="qtkit"

  2914. sdl_outdev_deps="sdl"

  2915. sndio_indev_deps="sndio_h"

  2916. sndio_outdev_deps="sndio_h"

  2917. v4l_indev_deps="linux_videodev_h"

  2918. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2919. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2920. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2921. vfwcap_indev_extralibs="-lavicap32"

  2922. x11grab_indev_deps="x11grab"

  2923. x11grab_xcb_indev_deps="libxcb"

  2924. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2925. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2926. 

  2927. # protocols

  2928. async_protocol_deps="threads"

  2929. bluray_protocol_deps="libbluray"

  2930. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2931. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2932. ffrtmpcrypt_protocol_select="tcp_protocol"

  2933. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2934. ffrtmphttp_protocol_select="http_protocol"

  2935. ftp_protocol_select="tcp_protocol"

  2936. gopher_protocol_select="network"

  2937. http_protocol_select="tcp_protocol"

  2938. httpproxy_protocol_select="tcp_protocol"

  2939. https_protocol_select="tls_protocol"

  2940. icecast_protocol_select="http_protocol"

  2941. librtmp_protocol_deps="librtmp"

  2942. librtmpe_protocol_deps="librtmp"

  2943. librtmps_protocol_deps="librtmp"

  2944. librtmpt_protocol_deps="librtmp"

  2945. librtmpte_protocol_deps="librtmp"

  2946. libsmbclient_protocol_deps="libsmbclient gplv3"

  2947. libssh_protocol_deps="libssh"

  2948. mmsh_protocol_select="http_protocol"

  2949. mmst_protocol_select="network"

  2950. rtmp_protocol_deps="!librtmp_protocol"

  2951. rtmp_protocol_select="tcp_protocol"

  2952. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2953. rtmps_protocol_deps="!librtmp_protocol"

  2954. rtmps_protocol_select="tls_protocol"

  2955. rtmpt_protocol_select="ffrtmphttp_protocol"

  2956. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2957. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2958. rtp_protocol_select="udp_protocol"

  2959. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  2960. sctp_protocol_select="network"

  2961. srtp_protocol_select="rtp_protocol srtp"

  2962. tcp_protocol_select="network"

  2963. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2964. tls_gnutls_protocol_select="tcp_protocol"

  2965. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2966. tls_openssl_protocol_select="tcp_protocol"

  2967. tls_schannel_protocol_deps="schannel"

  2968. tls_schannel_protocol_select="tcp_protocol"

  2969. tls_securetransport_protocol_deps="securetransport"

  2970. tls_securetransport_protocol_select="tcp_protocol"

  2971. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2972. udp_protocol_select="network"

  2973. udplite_protocol_select="network"

  2974. unix_protocol_deps="sys_un_h"

  2975. unix_protocol_select="network"

  2976. 

  2977. # filters

  2978. afftfilt_filter_deps="avcodec"

  2979. afftfilt_filter_select="fft"

  2980. amovie_filter_deps="avcodec avformat"

  2981. aresample_filter_deps="swresample"

  2982. ass_filter_deps="libass"

  2983. asyncts_filter_deps="avresample"

  2984. atempo_filter_deps="avcodec"

  2985. atempo_filter_select="rdft"

  2986. azmq_filter_deps="libzmq"

  2987. blackframe_filter_deps="gpl"

  2988. boxblur_filter_deps="gpl"

  2989. bs2b_filter_deps="libbs2b"

  2990. colormatrix_filter_deps="gpl"

  2991. cover_rect_filter_deps="avcodec avformat gpl"

  2992. cropdetect_filter_deps="gpl"

  2993. delogo_filter_deps="gpl"

  2994. deshake_filter_select="pixelutils"

  2995. drawtext_filter_deps="libfreetype"

  2996. ebur128_filter_deps="gpl"

  2997. eq_filter_deps="gpl"

  2998. fftfilt_filter_deps="avcodec"

  2999. fftfilt_filter_select="rdft"

  3000. find_rect_filter_deps="avcodec avformat gpl"

  3001. firequalizer_filter_deps="avcodec"

  3002. firequalizer_filter_select="rdft"

  3003. flite_filter_deps="libflite"

  3004. framerate_filter_select="pixelutils"

  3005. frei0r_filter_deps="frei0r dlopen"

  3006. frei0r_src_filter_deps="frei0r dlopen"

  3007. fspp_filter_deps="gpl"

  3008. geq_filter_deps="gpl"

  3009. histeq_filter_deps="gpl"

  3010. hqdn3d_filter_deps="gpl"

  3011. interlace_filter_deps="gpl"

  3012. kerndeint_filter_deps="gpl"

  3013. ladspa_filter_deps="ladspa dlopen"

  3014. loudnorm_filter_deps="libebur128"

  3015. mcdeint_filter_deps="avcodec gpl"

  3016. movie_filter_deps="avcodec avformat"

  3017. mpdecimate_filter_deps="gpl"

  3018. mpdecimate_filter_select="pixelutils"

  3019. mptestsrc_filter_deps="gpl"

  3020. negate_filter_deps="lut_filter"

  3021. nnedi_filter_deps="gpl"

  3022. ocr_filter_deps="libtesseract"

  3023. ocv_filter_deps="libopencv"

  3024. owdenoise_filter_deps="gpl"

  3025. pan_filter_deps="swresample"

  3026. perspective_filter_deps="gpl"

  3027. phase_filter_deps="gpl"

  3028. pp7_filter_deps="gpl"

  3029. pp_filter_deps="gpl postproc"

  3030. pullup_filter_deps="gpl"

  3031. removelogo_filter_deps="avcodec avformat swscale"

  3032. repeatfields_filter_deps="gpl"

  3033. resample_filter_deps="avresample"

  3034. rubberband_filter_deps="librubberband"

  3035. sab_filter_deps="gpl swscale"

  3036. scale2ref_filter_deps="swscale"

  3037. scale_filter_deps="swscale"

  3038. select_filter_select="pixelutils"

  3039. showcqt_filter_deps="avcodec avformat swscale"

  3040. showcqt_filter_select="fft"

  3041. showfreqs_filter_deps="avcodec"

  3042. showfreqs_filter_select="fft"

  3043. showspectrum_filter_deps="avcodec"

  3044. showspectrum_filter_select="fft"

  3045. showspectrumpic_filter_deps="avcodec"

  3046. showspectrumpic_filter_select="fft"

  3047. smartblur_filter_deps="gpl swscale"

  3048. sofalizer_filter_deps="netcdf avcodec"

  3049. sofalizer_filter_select="fft"

  3050. spectrumsynth_filter_deps="avcodec"

  3051. spectrumsynth_filter_select="fft"

  3052. spp_filter_deps="gpl avcodec"

  3053. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3054. stereo3d_filter_deps="gpl"

  3055. subtitles_filter_deps="avformat avcodec libass"

  3056. super2xsai_filter_deps="gpl"

  3057. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3058. tinterlace_filter_deps="gpl"

  3059. tinterlace_merge_test_deps="tinterlace_filter"

  3060. tinterlace_pad_test_deps="tinterlace_filter"

  3061. uspp_filter_deps="gpl avcodec"

  3062. vidstabdetect_filter_deps="libvidstab"

  3063. vidstabtransform_filter_deps="libvidstab"

  3064. zmq_filter_deps="libzmq"

  3065. zoompan_filter_deps="swscale"

  3066. zscale_filter_deps="libzimg"

  3067. scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3068. 

  3069. # examples

  3070. avcodec_example_deps="avcodec avutil"

  3071. avio_dir_cmd="avformat avutil"

  3072. avio_reading="avformat avcodec avutil"

  3073. decoding_encoding_example_deps="avcodec avformat avutil"

  3074. demuxing_decoding_example_deps="avcodec avformat avutil"

  3075. extract_mvs_example_deps="avcodec avformat avutil"

  3076. filter_audio_example_deps="avfilter avutil"

  3077. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3078. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3079. metadata_example_deps="avformat avutil"

  3080. muxing_example_deps="avcodec avformat avutil swscale"

  3081. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  3082. remuxing_example_deps="avcodec avformat avutil"

  3083. resampling_audio_example_deps="avutil swresample"

  3084. scaling_video_example_deps="avutil swscale"

  3085. transcode_aac_example_deps="avcodec avformat swresample"

  3086. transcoding_example_deps="avfilter avcodec avformat avutil"

  3087. 

  3088. # libraries, in linking order

  3089. avcodec_deps="avutil"

  3090. avdevice_deps="avformat avcodec avutil"

  3091. avfilter_deps="avutil"

  3092. avformat_deps="avcodec avutil"

  3093. avresample_deps="avutil"

  3094. postproc_deps="avutil gpl"

  3095. swresample_deps="avutil"

  3096. swscale_deps="avutil"

  3097. 

  3098. # programs

  3099. ffmpeg_deps="avcodec avfilter avformat swresample"

  3100. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3101.                null_filter

  3102.                setpts_filter trim_filter"

  3103. ffplay_deps="avcodec avformat swscale swresample sdl"

  3104. ffplay_libs='$sdl_libs'

  3105. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3106. ffprobe_deps="avcodec avformat"

  3107. ffserver_deps="avformat fork sarestart"

  3108. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  3109. 

  3110. # documentation

  3111. podpages_deps="perl"

  3112. manpages_deps="perl pod2man"

  3113. htmlpages_deps="perl"

  3114. htmlpages_deps_any="makeinfo_html texi2html"

  3115. txtpages_deps="perl makeinfo"

  3116. doc_deps_any="manpages htmlpages podpages txtpages"

  3117. 

  3118. # default parameters

  3119. 

  3120. logfile="config.log"

  3121. 

  3122. # installation paths

  3123. prefix_default="/usr/local"

  3124. bindir_default='${prefix}/bin'

  3125. datadir_default='${prefix}/share/ffmpeg'

  3126. docdir_default='${prefix}/share/doc/ffmpeg'

  3127. incdir_default='${prefix}/include'

  3128. libdir_default='${prefix}/lib'

  3129. mandir_default='${prefix}/share/man'

  3130. 

  3131. # toolchain

  3132. ar_default="ar"

  3133. cc_default="gcc"

  3134. cxx_default="g++"

  3135. host_cc_default="gcc"

  3136. cp_f="cp -f"

  3137. doxygen_default="doxygen"

  3138. install="install"

  3139. ln_s_default="ln -s -f"

  3140. nm_default="nm -g"

  3141. objformat="elf"

  3142. pkg_config_default=pkg-config

  3143. ranlib_default="ranlib"

  3144. strip_default="strip"

  3145. yasmexe_default="yasm"

  3146. windres_default="windres"

  3147. 

  3148. # OS

  3149. target_os_default=$(tolower $(uname -s))

  3150. host_os=$target_os_default

  3151. 

  3152. # machine

  3153. if test "$target_os_default" = aix; then

  3154.     arch_default=$(uname -p)

  3155.     strip_default="strip -X32_64"

  3156. else

  3157.     arch_default=$(uname -m)

  3158. fi

  3159. cpu="generic"

  3160. intrinsics="none"

  3161. 

  3162. # configurable options

  3163. enable $PROGRAM_LIST

  3164. enable $DOCUMENT_LIST

  3165. enable $EXAMPLE_LIST

  3166. enable $(filter_out avresample $LIBRARY_LIST)

  3167. enable stripping

  3168. 

  3169. enable asm

  3170. enable debug

  3171. enable doc

  3172. enable faan faandct faanidct

  3173. enable optimizations

  3174. enable runtime_cpudetect

  3175. enable safe_bitstream_reader

  3176. enable static

  3177. enable swscale_alpha

  3178. enable valgrind_backtrace

  3179. 

  3180. sws_max_filter_size_default=256

  3181. set_default sws_max_filter_size

  3182. 

  3183. # Enable platform codecs by default.

  3184. enable audiotoolbox

  3185. 

  3186. # Enable hwaccels by default.

  3187. enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc

  3188. enable xlib

  3189. 

  3190. enable vda_framework videotoolbox videotoolbox_encoder

  3191. 

  3192. # build settings

  3193. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3194. LIBPREF="lib"

  3195. LIBSUF=".a"

  3196. FULLNAME='$(NAME)$(BUILDSUF)'

  3197. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3198. SLIBPREF="lib"

  3199. SLIBSUF=".so"

  3200. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3201. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3202. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3203. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3204. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3205. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3206. 

  3207. asflags_filter=echo

  3208. cflags_filter=echo

  3209. ldflags_filter=echo

  3210. 

  3211. AS_C='-c'

  3212. AS_O='-o $@'

  3213. CC_C='-c'

  3214. CC_E='-E -o $@'

  3215. CC_O='-o $@'

  3216. CXX_C='-c'

  3217. CXX_O='-o $@'

  3218. OBJCC_C='-c'

  3219. OBJCC_E='-E -o $@'

  3220. OBJCC_O='-o $@'

  3221. LD_O='-o $@'

  3222. LD_LIB='-l%'

  3223. LD_PATH='-L'

  3224. HOSTCC_C='-c'

  3225. HOSTCC_E='-E -o $@'

  3226. HOSTCC_O='-o $@'

  3227. HOSTLD_O='-o $@'

  3228. 

  3229. host_libs='-lm'

  3230. host_cflags_filter=echo

  3231. host_ldflags_filter=echo

  3232. 

  3233. target_path='$(CURDIR)'

  3234. 

  3235. # since the object filename is not given with the -MM flag, the compiler

  3236. # is only able to print the basename, and we must add the path ourselves

  3237. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3238. DEPFLAGS='-MM'

  3239. 

  3240. # find source path

  3241. if test -f configure; then

  3242.     source_path=.

  3243. else

  3244.     source_path=$(cd $(dirname "$0"); pwd)

  3245.     case "$source_path" in

  3246.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3247.     esac

  3248.     test -e "$source_path/config.h" &&

  3249.         die "Out of tree builds are impossible with config.h in source dir."

  3250. fi

  3251. 

  3252. for v in "$@"; do

  3253.     r=${v#*=}

  3254.     l=${v%"$r"}

  3255.     r=$(sh_quote "$r")

  3256.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3257. done

  3258. 

  3259. find_things(){

  3260.     thing=$1

  3261.     pattern=$2

  3262.     file=$source_path/$3

  3263.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3264. }

  3265. 

  3266. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3267. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3268. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3269. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3270. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3271. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3272. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3273. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3274. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3275. 

  3276. find_things_extern(){

  3277.     thing=$1

  3278.     pattern=$2

  3279.     file=$source_path/$3

  3280.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3281. }

  3282. 

  3283. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3284. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3285. 

  3286. ALL_COMPONENTS="

  3287.     $BSF_LIST

  3288.     $DECODER_LIST

  3289.     $DEMUXER_LIST

  3290.     $ENCODER_LIST

  3291.     $FILTER_LIST

  3292.     $HWACCEL_LIST

  3293.     $INDEV_LIST

  3294.     $MUXER_LIST

  3295.     $OUTDEV_LIST

  3296.     $PARSER_LIST

  3297.     $PROTOCOL_LIST

  3298. "

  3299. 

  3300. for n in $COMPONENT_LIST; do

  3301.     v=$(toupper ${n%s})_LIST

  3302.     eval enable \$$v

  3303.     eval ${n}_if_any="\$$v"

  3304. done

  3305. 

  3306. enable $ARCH_EXT_LIST

  3307. 

  3308. die_unknown(){

  3309.     echo "Unknown option \"$1\"."

  3310.     echo "See $0 --help for available options."

  3311.     exit 1

  3312. }

  3313. 

  3314. print_in_columns() {

  3315.     cols=$(expr $ncols / 24)

  3316.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3317. }

  3318. 

  3319. show_list() {

  3320.     suffix=_$1

  3321.     shift

  3322.     echo $* | sed s/$suffix//g | print_in_columns

  3323.     exit 0

  3324. }

  3325. 

  3326. rand_list(){

  3327.     IFS=', '

  3328.     set -- $*

  3329.     unset IFS

  3330.     for thing; do

  3331.         comp=${thing%:*}

  3332.         prob=${thing#$comp}

  3333.         prob=${prob#:}

  3334.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3335.         echo "prob ${prob:-0.5}"

  3336.         printf '%s\n' $comp

  3337.     done

  3338. }

  3339. 

  3340. do_random(){

  3341.     action=$1

  3342.     shift

  3343.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3344.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3345. }

  3346. 

  3347. for opt do

  3348.     optval="${opt#*=}"

  3349.     case "$opt" in

  3350.         --extra-ldflags=*)

  3351.             add_ldflags $optval

  3352.         ;;

  3353.         --extra-ldexeflags=*)

  3354.             add_ldexeflags $optval

  3355.         ;;

  3356.         --extra-ldlibflags=*)

  3357.             add_ldlibflags $optval

  3358.         ;;

  3359.         --extra-libs=*)

  3360.             add_extralibs $optval

  3361.         ;;

  3362.         --disable-devices)

  3363.             disable $INDEV_LIST $OUTDEV_LIST

  3364.         ;;

  3365.         --enable-debug=*)

  3366.             debuglevel="$optval"

  3367.         ;;

  3368.         --disable-programs)

  3369.             disable $PROGRAM_LIST

  3370.         ;;

  3371.         --disable-everything)

  3372.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3373.         ;;

  3374.         --disable-all)

  3375.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3376.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3377.             enable avutil

  3378.         ;;

  3379.         --enable-random|--disable-random)

  3380.             action=${opt%%-random}

  3381.             do_random ${action#--} $COMPONENT_LIST

  3382.         ;;

  3383.         --enable-random=*|--disable-random=*)

  3384.             action=${opt%%-random=*}

  3385.             do_random ${action#--} $optval

  3386.         ;;

  3387.         --enable-*=*|--disable-*=*)

  3388.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3389.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3390.             eval list=\$$(toupper $thing)_LIST

  3391.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3392.             list=$(filter "$name" $list)

  3393.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3394.             $action $list

  3395.         ;;

  3396.         --enable-?*|--disable-?*)

  3397.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3398.             if is_in $option $COMPONENT_LIST; then

  3399.                 test $action = disable && action=unset

  3400.                 eval $action \$$(toupper ${option%s})_LIST

  3401.             elif is_in $option $CMDLINE_SELECT; then

  3402.                 $action $option

  3403.             else

  3404.                 die_unknown $opt

  3405.             fi

  3406.         ;;

  3407.         --list-*)

  3408.             NAME="${opt#--list-}"

  3409.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3410.             NAME=${NAME%s}

  3411.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3412.         ;;

  3413.         --help|-h) show_help

  3414.         ;;

  3415.         --fatal-warnings) enable fatal_warnings

  3416.         ;;

  3417.         *)

  3418.             optname="${opt%%=*}"

  3419.             optname="${optname#--}"

  3420.             optname=$(echo "$optname" | sed 's/-/_/g')

  3421.             if is_in $optname $CMDLINE_SET; then

  3422.                 eval $optname='$optval'

  3423.             elif is_in $optname $CMDLINE_APPEND; then

  3424.                 append $optname "$optval"

  3425.             else

  3426.                 die_unknown $opt

  3427.             fi

  3428.         ;;

  3429.     esac

  3430. done

  3431. 

  3432. for e in $env; do

  3433.     eval "export $e"

  3434. done

  3435. 

  3436. disabled logging && logfile=/dev/null

  3437. 

  3438. # Disable all the library-specific components if the library itself

  3439. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3440. 

  3441. disable_components(){

  3442.     disabled ${1} && disable $(

  3443.         eval components="\$$(toupper ${1})_COMPONENTS"

  3444.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3445.     )

  3446. }

  3447. 

  3448. map 'disable_components $v' $LIBRARY_LIST

  3449. 

  3450. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3451. set >> $logfile

  3452. 

  3453. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3454. 

  3455. case "$toolchain" in

  3456.     *-asan)

  3457.         cc_default="${toolchain%-asan}"

  3458.         add_cflags  -fsanitize=address

  3459.         add_ldflags -fsanitize=address

  3460.     ;;

  3461.     *-msan)

  3462.         cc_default="${toolchain%-msan}"

  3463.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  3464.         add_ldflags -fsanitize=memory

  3465.     ;;

  3466.     *-tsan)

  3467.         cc_default="${toolchain%-tsan}"

  3468.         add_cflags  -fsanitize=thread -pie

  3469.         add_ldflags -fsanitize=thread -pie

  3470.         case "$toolchain" in

  3471.             gcc-tsan)

  3472.                 add_cflags  -fPIC

  3473.                 add_ldflags -fPIC

  3474.                 ;;

  3475.         esac

  3476.     ;;

  3477.     *-usan)

  3478.         cc_default="${toolchain%-usan}"

  3479.         add_cflags  -fsanitize=undefined

  3480.         add_ldflags -fsanitize=undefined

  3481.     ;;

  3482.     valgrind-*)

  3483.         target_exec_default="valgrind"

  3484.         case "$toolchain" in

  3485.             valgrind-massif)

  3486.                 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"

  3487.                 ;;

  3488.             valgrind-memcheck)

  3489.                 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"

  3490.                 ;;

  3491.         esac

  3492.     ;;

  3493.     msvc)

  3494.         # Check whether the current MSVC version needs the C99 converter.

  3495.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3496.         # support enough of C99 to build ffmpeg. Default to the new

  3497.         # behaviour if the regexp was unable to match anything, since this

  3498.         # successfully parses the version number of existing supported

  3499.         # versions that require the converter (MSVC 2010 and 2012).

  3500.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3501.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3502.             cc_default="cl"

  3503.         else

  3504.             cc_default="c99wrap cl"

  3505.         fi

  3506.         ld_default="$source_path/compat/windows/mslink"

  3507.         nm_default="dumpbin -symbols"

  3508.         ar_default="lib"

  3509.         case "$arch" in

  3510.         arm*)

  3511.             as_default="armasm"

  3512.             ;;

  3513.         esac

  3514.         target_os_default="win32"

  3515.         # Use a relative path for TMPDIR. This makes sure all the

  3516.         # ffconf temp files are written with a relative path, avoiding

  3517.         # issues with msys/win32 path conversion for MSVC parameters

  3518.         # such as -Fo<file> or -out:<file>.

  3519.         TMPDIR=.

  3520.     ;;

  3521.     icl)

  3522.         cc_default="icl"

  3523.         ld_default="xilink"

  3524.         nm_default="dumpbin -symbols"

  3525.         ar_default="xilib"

  3526.         target_os_default="win32"

  3527.         TMPDIR=.

  3528.     ;;

  3529.     gcov)

  3530.         add_cflags  -fprofile-arcs -ftest-coverage

  3531.         add_ldflags -fprofile-arcs -ftest-coverage

  3532.     ;;

  3533.     llvm-cov)

  3534.         add_cflags -fprofile-arcs -ftest-coverage

  3535.         add_ldflags --coverage

  3536.     ;;

  3537.     hardened)

  3538.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3539.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3540.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3541.     ;;

  3542.     ?*)

  3543.         die "Unknown toolchain $toolchain"

  3544.     ;;

  3545. esac

  3546. 

  3547. test -n "$cross_prefix" && enable cross_compile

  3548. 

  3549. if enabled cross_compile; then

  3550.     test -n "$arch" && test -n "$target_os" ||

  3551.         die "Must specify target arch and OS when cross-compiling"

  3552. fi

  3553. 

  3554. ar_default="${cross_prefix}${ar_default}"

  3555. cc_default="${cross_prefix}${cc_default}"

  3556. cxx_default="${cross_prefix}${cxx_default}"

  3557. nm_default="${cross_prefix}${nm_default}"

  3558. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3559. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3560.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3561. else

  3562.     ranlib_default="${cross_prefix}${ranlib_default}"

  3563. fi

  3564. strip_default="${cross_prefix}${strip_default}"

  3565. windres_default="${cross_prefix}${windres_default}"

  3566. 

  3567. sysinclude_default="${sysroot}/usr/include"

  3568. 

  3569. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3570.     target_exec target_os yasmexe

  3571. enabled cross_compile || host_cc_default=$cc

  3572. set_default host_cc

  3573. 

  3574. pkg_config_fail_message=""

  3575. if ! $pkg_config --version >/dev/null 2>&1; then

  3576.     warn "$pkg_config not found, library detection may fail."

  3577.     pkg_config=false

  3578. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3579.     pkg_config_fail_message="

  3580. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3581. fi

  3582. 

  3583. if test $doxygen != $doxygen_default && \

  3584.   ! $doxygen --version >/dev/null 2>&1; then

  3585.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3586. fi

  3587. 

  3588. exesuf() {

  3589.     case $1 in

  3590.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3591.     esac

  3592. }

  3593. 

  3594. EXESUF=$(exesuf $target_os)

  3595. HOSTEXESUF=$(exesuf $host_os)

  3596. 

  3597. # set temporary file name

  3598. : ${TMPDIR:=$TEMPDIR}

  3599. : ${TMPDIR:=$TMP}

  3600. : ${TMPDIR:=/tmp}

  3601. 

  3602. if [ -n "$tempprefix" ] ; then

  3603.     mktemp(){

  3604.         echo $tempprefix.${HOSTNAME}.${UID}

  3605.     }

  3606. elif ! check_cmd mktemp -u XXXXXX; then

  3607.     # simple replacement for missing mktemp

  3608.     # NOT SAFE FOR GENERAL USE

  3609.     mktemp(){

  3610.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3611.     }

  3612. fi

  3613. 

  3614. tmpfile(){

  3615.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3616.         (set -C; exec > $tmp) 2>/dev/null ||

  3617.         die "Unable to create temporary file in $TMPDIR."

  3618.     append TMPFILES $tmp

  3619.     eval $1=$tmp

  3620. }

  3621. 

  3622. trap 'rm -f -- $TMPFILES' EXIT

  3623. 

  3624. tmpfile TMPASM .asm

  3625. tmpfile TMPC   .c

  3626. tmpfile TMPCPP .cpp

  3627. tmpfile TMPE   $EXESUF

  3628. tmpfile TMPH   .h

  3629. tmpfile TMPM   .m

  3630. tmpfile TMPO   .o

  3631. tmpfile TMPS   .S

  3632. tmpfile TMPSH  .sh

  3633. tmpfile TMPV   .ver

  3634. 

  3635. unset -f mktemp

  3636. 

  3637. chmod +x $TMPE

  3638. 

  3639. # make sure we can execute files in $TMPDIR

  3640. cat > $TMPSH 2>> $logfile <<EOF

  3641. #! /bin/sh

  3642. EOF

  3643. chmod +x $TMPSH >> $logfile 2>&1

  3644. if ! $TMPSH >> $logfile 2>&1; then

  3645.     cat <<EOF

  3646. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3647. variable to another directory and make sure that it is not mounted noexec.

  3648. EOF

  3649.     die "Sanity test failed."

  3650. fi

  3651. 

  3652. armasm_flags(){

  3653.     for flag; do

  3654.         case $flag in

  3655.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3656.             # be passed to gas-preprocessor

  3657.             -M[TD]*)                                            ;;

  3658.             *)                  echo $flag                      ;;

  3659.         esac

  3660.    done

  3661. }

  3662. 

  3663. ccc_flags(){

  3664.     for flag; do

  3665.         case $flag in

  3666.             -std=c99)           echo -c99                       ;;

  3667.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3668.             -mieee)             echo -ieee                      ;;

  3669.             -O*|-fast)          echo $flag                      ;;

  3670.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3671.             -g)                 echo -g3                        ;;

  3672.             -Wall)              echo -msg_enable level2         ;;

  3673.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3674.             -Wl,*)              echo $flag                      ;;

  3675.             -f*|-W*)                                            ;;

  3676.             *)                  echo $flag                      ;;

  3677.         esac

  3678.    done

  3679. }

  3680. 

  3681. cparser_flags(){

  3682.     for flag; do

  3683.         case $flag in

  3684.             -Wno-switch)             echo -Wno-switch-enum ;;

  3685.             -Wno-format-zero-length) ;;

  3686.             -Wdisabled-optimization) ;;

  3687.             -Wno-pointer-sign)       echo -Wno-other ;;

  3688.             *)                       echo $flag ;;

  3689.         esac

  3690.     done

  3691. }

  3692. 

  3693. msvc_common_flags(){

  3694.     for flag; do

  3695.         case $flag in

  3696.             # In addition to specifying certain flags under the compiler

  3697.             # specific filters, they must be specified here as well or else the

  3698.             # generic catch all at the bottom will print the original flag.

  3699.             -Wall)                ;;

  3700.             -std=c99)             ;;

  3701.             # Common flags

  3702.             -fomit-frame-pointer) ;;

  3703.             -g)                   echo -Z7 ;;

  3704.             -fno-math-errno)      ;;

  3705.             -fno-common)          ;;

  3706.             -fno-signed-zeros)    ;;

  3707.             -fPIC)                ;;

  3708.             -mthumb)              ;;

  3709.             -march=*)             ;;

  3710.             -lz)                  echo zlib.lib ;;

  3711.             -lavifil32)           echo vfw32.lib ;;

  3712.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3713.             -lx264)               echo libx264.lib ;;

  3714.             -l*)                  echo ${flag#-l}.lib ;;

  3715.             -LARGEADDRESSAWARE)   echo $flag ;;

  3716.             -L*)                  echo -libpath:${flag#-L} ;;

  3717.             *)                    echo $flag ;;

  3718.         esac

  3719.     done

  3720. }

  3721. 

  3722. msvc_flags(){

  3723.     msvc_common_flags "$@"

  3724.     for flag; do

  3725.         case $flag in

  3726.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3727.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3728.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3729.                                        -wd4307 \

  3730.                                        -wd4273 -wd4554 -wd4701 ;;

  3731.         esac

  3732.     done

  3733. }

  3734. 

  3735. icl_flags(){

  3736.     msvc_common_flags "$@"

  3737.     for flag; do

  3738.         case $flag in

  3739.             # Despite what Intel's documentation says -Wall, which is supported

  3740.             # on Windows, does enable remarks so disable them here.

  3741.             -Wall)                echo $flag -Qdiag-disable:remark ;;

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

  3743.             -flto)                echo -ipo ;;

  3744.         esac

  3745.     done

  3746. }

  3747. 

  3748. icc_flags(){

  3749.     for flag; do

  3750.         case $flag in

  3751.             -flto)                echo -ipo ;;

  3752.             *)                    echo $flag ;;

  3753.         esac

  3754.     done

  3755. }

  3756. 

  3757. pgi_flags(){

  3758.     for flag; do

  3759.         case $flag in

  3760.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3761.             -fomit-frame-pointer) echo -Mnoframe ;;

  3762.             -g)                   echo -gopt ;;

  3763.             *)                    echo $flag ;;

  3764.         esac

  3765.     done

  3766. }

  3767. 

  3768. suncc_flags(){

  3769.     for flag; do

  3770.         case $flag in

  3771.             -march=*|-mcpu=*)

  3772.                 case "${flag#*=}" in

  3773.                     native)                   echo -xtarget=native       ;;

  3774.                     v9|niagara)               echo -xarch=sparc          ;;

  3775.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3776.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3777.                     i586|pentium)             echo -xchip=pentium        ;;

  3778.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3779.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3780.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3781.                     pentium4*)          echo -xtarget=pentium4           ;;

  3782.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3783.                     *-sse3)             echo -xarch=sse3                 ;;

  3784.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3785.                     bonnell)                   echo -xarch=ssse3         ;;

  3786.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3787.                     westmere)                  echo -xtarget=westmere    ;;

  3788.                     silvermont)                echo -xarch=sse4_2        ;;

  3789.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3790.                     core-avx*|ivybridge|haswell|broadwell)

  3791.                                                echo -xarch=avx           ;;

  3792.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3793.                     btver1)                    echo -xarch=amdsse4a      ;;

  3794.                     btver2|bdver*)             echo -xarch=avx           ;;

  3795.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3796.                     k8|opteron|athlon64|athlon-fx)

  3797.                                                echo -xarch=sse2a         ;;

  3798.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3799.                 esac

  3800.                 ;;

  3801.             -std=c99)             echo -xc99              ;;

  3802.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3803.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3804.             -W*,*)                echo $flag              ;;

  3805.             -f*-*|-W*|-mimpure-text)                      ;;

  3806.             -shared)              echo -G                 ;;

  3807.             *)                    echo $flag              ;;

  3808.         esac

  3809.     done

  3810. }

  3811. 

  3812. tms470_flags(){

  3813.     for flag; do

  3814.         case $flag in

  3815.             -march=*|-mcpu=*)

  3816.                 case "${flag#*=}" in

  3817.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3818.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3819.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3820.                     armv6*|arm11*)          echo -mv=6   ;;

  3821.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3822.                                             echo -mv=5e  ;;

  3823.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3824.                 esac

  3825.                 ;;

  3826.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3827.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3828.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3829.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3830.             -msoft-float)   echo --float_support=vfplib       ;;

  3831.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3832.             -g)             echo -g -mn                       ;;

  3833.             -pds=*)         echo $flag                        ;;

  3834.             -D*|-I*)        echo $flag                        ;;

  3835.             --gcc|--abi=*)  echo $flag                        ;;

  3836.             -me)            echo $flag                        ;;

  3837.         esac

  3838.     done

  3839. }

  3840. 

  3841. probe_cc(){

  3842.     pfx=$1

  3843.     _cc=$2

  3844.     first=$3

  3845. 

  3846.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3847.     unset _ld_o _ldflags _ld_lib _ld_path

  3848.     unset _depflags _DEPCMD _DEPFLAGS

  3849.     _flags_filter=echo

  3850. 

  3851.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3852.         true # no-op to avoid reading stdin in following checks

  3853.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3854.         _type=llvm_gcc

  3855.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3856.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3857.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3858.         _cflags_speed='-O3'

  3859.         _cflags_size='-Os'

  3860.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3861.         _type=gcc

  3862.         gcc_version=$($_cc --version | head -n1)

  3863.         gcc_basever=$($_cc -dumpversion)

  3864.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3865.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3866.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3867.         case $gcc_basever in

  3868.             2) ;;

  3869.             2.*) ;;

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

  3871.         esac

  3872.         if [ "$first" = true ]; then

  3873.             case $gcc_basever in

  3874.                 4.2*)

  3875.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3876.             esac

  3877.         fi

  3878.         _cflags_speed='-O3'

  3879.         _cflags_size='-Os'

  3880.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3881.         _type=icc

  3882.         _ident=$($_cc --version | head -n1)

  3883.         _depflags='-MMD'

  3884.         _cflags_speed='-O3'

  3885.         _cflags_size='-Os'

  3886.         _cflags_noopt='-O1'

  3887.         _flags_filter=icc_flags

  3888.     elif $_cc -v 2>&1 | grep -q xlc; then

  3889.         _type=xlc

  3890.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3891.         _cflags_speed='-O5'

  3892.         _cflags_size='-O5 -qcompact'

  3893.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3894.         _type=ccc

  3895.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3896.         _DEPFLAGS='-M'

  3897.         _cflags_speed='-fast'

  3898.         _cflags_size='-O1'

  3899.         _flags_filter=ccc_flags

  3900.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3901.         test -d "$sysroot" || die "No valid sysroot specified."

  3902.         _type=armcc

  3903.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3904.         armcc_conf="$PWD/armcc.conf"

  3905.         $_cc --arm_linux_configure                 \

  3906.              --arm_linux_config_file="$armcc_conf" \

  3907.              --configure_sysroot="$sysroot"        \

  3908.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3909.              die "Error creating armcc configuration file."

  3910.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3911.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3912.         as_default="${cross_prefix}gcc"

  3913.         _depflags='-MMD'

  3914.         _cflags_speed='-O3'

  3915.         _cflags_size='-Os'

  3916.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3917.         _type=tms470

  3918.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3919.         _flags='--gcc --abi=eabi -me'

  3920.         _cc_e='-ppl -fe=$@'

  3921.         _cc_o='-fe=$@'

  3922.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3923.         _cflags_speed='-O3 -mf=5'

  3924.         _cflags_size='-O3 -mf=2'

  3925.         _flags_filter=tms470_flags

  3926.     elif $_cc -v 2>&1 | grep -q clang; then

  3927.         _type=clang

  3928.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3929.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3930.         _cflags_speed='-O3'

  3931.         _cflags_size='-Os'

  3932.     elif $_cc -V 2>&1 | grep -q Sun; then

  3933.         _type=suncc

  3934.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3935.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3936.         _DEPFLAGS='-xM1 -xc99'

  3937.         _ldflags='-std=c99'

  3938.         _cflags_speed='-O5'

  3939.         _cflags_size='-O5 -xspace'

  3940.         _flags_filter=suncc_flags

  3941.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3942.         _type=pathscale

  3943.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3944.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3945.         _cflags_speed='-O2'

  3946.         _cflags_size='-Os'

  3947.         _flags_filter='filter_out -Wdisabled-optimization'

  3948.     elif $_cc -v 2>&1 | grep -q Open64; then

  3949.         _type=open64

  3950.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3951.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3952.         _cflags_speed='-O2'

  3953.         _cflags_size='-Os'

  3954.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3955.     elif $_cc -V 2>&1 | grep -q Portland; then

  3956.         _type=pgi

  3957.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3958.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3959.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3960.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3961.         _cflags_noopt="-O"

  3962.         _flags_filter=pgi_flags

  3963.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3964.         _type=armasm

  3965.         _ident=$($_cc | head -n1)

  3966.         # 4509: "This form of conditional instruction is deprecated"

  3967.         _flags="-nologo -ignore 4509"

  3968.         _flags_filter=armasm_flags

  3969.     elif $_cc 2>&1 | grep -q Intel; then

  3970.         _type=icl

  3971.         _ident=$($_cc 2>&1 | head -n1)

  3972.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3973.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3974.         # versions (tested) as well.

  3975.         _cflags_speed="-O2"

  3976.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3977.         if $_cc 2>&1 | grep -q Linker; then

  3978.             _ld_o='-out:$@'

  3979.         else

  3980.             _ld_o='-Fe$@'

  3981.         fi

  3982.         _cc_o='-Fo$@'

  3983.         _cc_e='-P'

  3984.         _flags_filter=icl_flags

  3985.         _ld_lib='lib%.a'

  3986.         _ld_path='-libpath:'

  3987.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3988.         _flags='-nologo -Qdiag-error:4044,10157'

  3989.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3990.         # with MSVC which enables it by default.

  3991.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3992.         disable stripping

  3993.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3994.         _type=msvc

  3995.         _ident=$($_cc 2>&1 | head -n1)

  3996.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3997.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3998.         _cflags_speed="-O2"

  3999.         _cflags_size="-O1"

  4000.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4001.             _ld_o='-out:$@'

  4002.         else

  4003.             _ld_o='-Fe$@'

  4004.         fi

  4005.         _cc_o='-Fo$@'

  4006.         _cc_e='-P -Fi$@'

  4007.         _flags_filter=msvc_flags

  4008.         _ld_lib='lib%.a'

  4009.         _ld_path='-libpath:'

  4010.         _flags='-nologo'

  4011.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  4012.         disable stripping

  4013.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4014.         _type=cparser

  4015.         _ident=$($_cc --version | head -n1)

  4016.         _depflags='-MMD'

  4017.         _cflags_speed='-O4'

  4018.         _cflags_size='-O2'

  4019.         _flags_filter=cparser_flags

  4020.     fi

  4021. 

  4022.     eval ${pfx}_type=\$_type

  4023.     eval ${pfx}_ident=\$_ident

  4024. }

  4025. 

  4026. set_ccvars(){

  4027.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4028.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4029.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4030. 

  4031.     if [ -n "$_depflags" ]; then

  4032.         eval ${1}_DEPFLAGS=\$_depflags

  4033.     else

  4034.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4035.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4036.         eval DEP${1}FLAGS=\$_flags

  4037.     fi

  4038. }

  4039. 

  4040. probe_cc cc "$cc" "true"

  4041. cflags_filter=$_flags_filter

  4042. cflags_speed=$_cflags_speed

  4043. cflags_size=$_cflags_size

  4044. cflags_noopt=$_cflags_noopt

  4045. add_cflags $_flags $_cflags

  4046. cc_ldflags=$_ldflags

  4047. set_ccvars CC

  4048. 

  4049. probe_cc hostcc "$host_cc"

  4050. host_cflags_filter=$_flags_filter

  4051. add_host_cflags  $_flags $_cflags

  4052. set_ccvars HOSTCC

  4053. 

  4054. test -n "$cc_type" && enable $cc_type ||

  4055.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4056. 

  4057. : ${as_default:=$cc}

  4058. : ${objcc_default:=$cc}

  4059. : ${dep_cc_default:=$cc}

  4060. : ${ld_default:=$cc}

  4061. : ${host_ld_default:=$host_cc}

  4062. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4063. 

  4064. probe_cc as "$as"

  4065. asflags_filter=$_flags_filter

  4066. add_asflags $_flags $_cflags

  4067. set_ccvars AS

  4068. 

  4069. probe_cc objcc "$objcc"

  4070. objcflags_filter=$_flags_filter

  4071. add_objcflags $_flags $_cflags

  4072. set_ccvars OBJC

  4073. 

  4074. probe_cc ld "$ld"

  4075. ldflags_filter=$_flags_filter

  4076. add_ldflags $_flags $_ldflags

  4077. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4078. LD_O=${_ld_o-$LD_O}

  4079. LD_LIB=${_ld_lib-$LD_LIB}

  4080. LD_PATH=${_ld_path-$LD_PATH}

  4081. 

  4082. probe_cc hostld "$host_ld"

  4083. host_ldflags_filter=$_flags_filter

  4084. add_host_ldflags $_flags $_ldflags

  4085. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4086. 

  4087. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4088.     probe_cc depcc "$dep_cc"

  4089.     CCDEP=${_DEPCMD:-$DEPCMD}

  4090.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4091.     DEPCCFLAGS=$_flags

  4092. fi

  4093. 

  4094. if $ar 2>&1 | grep -q Microsoft; then

  4095.     arflags="-nologo"

  4096.     ar_o='-out:$@'

  4097. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  4098.     arflags="rq"

  4099.     ar_o='$@'

  4100. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  4101.     arflags='-Xany -r -c'

  4102.     ar_o='$@'

  4103. elif $ar 2>&1 | grep -q "\[D\] "; then

  4104.     arflags="rcD"

  4105.     ar_o='$@'

  4106. else

  4107.     arflags="rc"

  4108.     ar_o='$@'

  4109. fi

  4110. 

  4111. add_cflags $extra_cflags

  4112. add_cxxflags $extra_cxxflags

  4113. add_objcflags $extra_objcflags

  4114. add_asflags $extra_cflags

  4115. 

  4116. if test -n "$sysroot"; then

  4117.     case "$cc_type" in

  4118.         gcc|llvm_gcc|clang)

  4119.             add_cppflags --sysroot="$sysroot"

  4120.             add_ldflags --sysroot="$sysroot"

  4121. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  4122.             add_cppflags -isysroot "$sysroot"

  4123.             add_ldflags -isysroot "$sysroot"

  4124.         ;;

  4125.         tms470)

  4126.             add_cppflags -I"$sysinclude"

  4127.             add_ldflags  --sysroot="$sysroot"

  4128.         ;;

  4129.     esac

  4130. fi

  4131. 

  4132. if test "$cpu" = host; then

  4133.     enabled cross_compile &&

  4134.         die "--cpu=host makes no sense when cross-compiling."

  4135. 

  4136.     case "$cc_type" in

  4137.         gcc|llvm_gcc)

  4138.             check_native(){

  4139.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4140.                 sed -n "/cc1.*$1=/{

  4141.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4142.                             p

  4143.                             q

  4144.                         }" $TMPE

  4145.             }

  4146.             cpu=$(check_native -march || check_native -mcpu)

  4147.         ;;

  4148.         clang)

  4149.             check_native(){

  4150.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4151.                 sed -n "/cc1.*-target-cpu /{

  4152.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4153.                             p

  4154.                             q

  4155.                         }" $TMPE

  4156.             }

  4157.             cpu=$(check_native -march)

  4158.         ;;

  4159.     esac

  4160. 

  4161.     test "${cpu:-host}" = host &&

  4162.         die "--cpu=host not supported with compiler $cc"

  4163. fi

  4164. 

  4165. # Deal with common $arch aliases

  4166. case "$arch" in

  4167.     aarch64|arm64)

  4168.         arch="aarch64"

  4169.     ;;

  4170.     arm*|iPad*|iPhone*)

  4171.         arch="arm"

  4172.     ;;

  4173.     mips*|IP*)

  4174.         case "$arch" in

  4175.         *el)

  4176.             add_cppflags -EL

  4177.             add_ldflags -EL

  4178.         ;;

  4179.         *eb)

  4180.             add_cppflags -EB

  4181.             add_ldflags -EB

  4182.         ;;

  4183.         esac

  4184.         arch="mips"

  4185.     ;;

  4186.     parisc*|hppa*)

  4187.         arch="parisc"

  4188.     ;;

  4189.     "Power Macintosh"|ppc*|powerpc*)

  4190.         arch="ppc"

  4191.     ;;

  4192.     s390|s390x)

  4193.         arch="s390"

  4194.     ;;

  4195.     sh4|sh)

  4196.         arch="sh4"

  4197.     ;;

  4198.     sun4u|sparc*)

  4199.         arch="sparc"

  4200.     ;;

  4201.     tilegx|tile-gx)

  4202.         arch="tilegx"

  4203.     ;;

  4204.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4205.         arch="x86"

  4206.     ;;

  4207. esac

  4208. 

  4209. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4210. enable $arch

  4211. 

  4212. # Add processor-specific flags

  4213. if enabled aarch64; then

  4214. 

  4215.     case $cpu in

  4216.         armv*)

  4217.             cpuflags="-march=$cpu"

  4218.         ;;

  4219.         *)

  4220.             cpuflags="-mcpu=$cpu"

  4221.         ;;

  4222.     esac

  4223. 

  4224. elif enabled alpha; then

  4225. 

  4226.     cpuflags="-mcpu=$cpu"

  4227. 

  4228. elif enabled arm; then

  4229. 

  4230.     check_arm_arch() {

  4231.         check_cpp_condition stddef.h \

  4232.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4233.             $cpuflags

  4234.     }

  4235. 

  4236.     probe_arm_arch() {

  4237.         if   check_arm_arch 4;        then echo armv4

  4238.         elif check_arm_arch 4T;       then echo armv4t

  4239.         elif check_arm_arch 5;        then echo armv5

  4240.         elif check_arm_arch 5E;       then echo armv5e

  4241.         elif check_arm_arch 5T;       then echo armv5t

  4242.         elif check_arm_arch 5TE;      then echo armv5te

  4243.         elif check_arm_arch 5TEJ;     then echo armv5te

  4244.         elif check_arm_arch 6;        then echo armv6

  4245.         elif check_arm_arch 6J;       then echo armv6j

  4246.         elif check_arm_arch 6K;       then echo armv6k

  4247.         elif check_arm_arch 6Z;       then echo armv6z

  4248.         elif check_arm_arch 6ZK;      then echo armv6zk

  4249.         elif check_arm_arch 6T2;      then echo armv6t2

  4250.         elif check_arm_arch 7;        then echo armv7

  4251.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4252.         elif check_arm_arch 7S;       then echo armv7-a

  4253.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4254.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4255.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4256.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4257.         fi

  4258.     }

  4259. 

  4260.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4261. 

  4262.     case $cpu in

  4263.         armv*)

  4264.             cpuflags="-march=$cpu"

  4265.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4266.         ;;

  4267.         *)

  4268.             cpuflags="-mcpu=$cpu"

  4269.             case $cpu in

  4270.                 cortex-a*)                               subarch=armv7a  ;;

  4271.                 cortex-r*)                               subarch=armv7r  ;;

  4272.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4273.                 arm11*)                                  subarch=armv6   ;;

  4274.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4275.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4276.                 *)                             subarch=$(probe_arm_arch) ;;

  4277.             esac

  4278.         ;;

  4279.     esac

  4280. 

  4281.     case "$subarch" in

  4282.         armv5t*)    enable fast_clz                ;;

  4283.         armv[6-8]*)

  4284.             enable fast_clz

  4285.             disabled fast_unaligned || enable fast_unaligned

  4286.             ;;

  4287.     esac

  4288. 

  4289. elif enabled avr32; then

  4290. 

  4291.     case $cpu in

  4292.         ap7[02]0[0-2])

  4293.             subarch="avr32_ap"

  4294.             cpuflags="-mpart=$cpu"

  4295.         ;;

  4296.         ap)

  4297.             subarch="avr32_ap"

  4298.             cpuflags="-march=$cpu"

  4299.         ;;

  4300.         uc3[ab]*)

  4301.             subarch="avr32_uc"

  4302.             cpuflags="-mcpu=$cpu"

  4303.         ;;

  4304.         uc)

  4305.             subarch="avr32_uc"

  4306.             cpuflags="-march=$cpu"

  4307.         ;;

  4308.     esac

  4309. 

  4310. elif enabled bfin; then

  4311. 

  4312.     cpuflags="-mcpu=$cpu"

  4313. 

  4314. elif enabled mips; then

  4315. 

  4316.     cpuflags="-march=$cpu"

  4317. 

  4318.     if [ "$cpu" != "generic" ]; then

  4319.         disable mips32r2

  4320.         disable mips32r5

  4321.         disable mips64r2

  4322.         disable mips32r6

  4323.         disable mips64r6

  4324.         disable loongson2

  4325.         disable loongson3

  4326. 

  4327.         case $cpu in

  4328.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4329.                 enable mips32r2

  4330.                 disable msa

  4331.             ;;

  4332.             p5600|i6400)

  4333.                 disable mipsdsp

  4334.                 disable mipsdspr2

  4335.             ;;

  4336.             loongson*)

  4337.                 enable loongson2

  4338.                 enable loongson3

  4339.                 enable local_aligned_8 local_aligned_16 local_aligned_32

  4340.                 enable simd_align_16

  4341.                 enable fast_64bit

  4342.                 enable fast_clz

  4343.                 enable fast_cmov

  4344.                 enable fast_unaligned

  4345.                 disable aligned_stack

  4346.                 case $cpu in

  4347.                     loongson3*)

  4348.                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4349.                     ;;

  4350.                     loongson2e)

  4351.                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4352.                     ;;

  4353.                     loongson2f)

  4354.                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4355.                     ;;

  4356.                 esac

  4357.             ;;

  4358.             *)

  4359.                 # Unknown CPU. Disable everything.

  4360.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4361.                 disable mipsfpu

  4362.                 disable mipsdsp

  4363.                 disable mipsdspr2

  4364.                 disable msa

  4365.                 disable mmi

  4366.             ;;

  4367.         esac

  4368. 

  4369.         case $cpu in

  4370.             24kc)

  4371.                 disable mipsfpu

  4372.                 disable mipsdsp

  4373.                 disable mipsdspr2

  4374.             ;;

  4375.             24kf*)

  4376.                 disable mipsdsp

  4377.                 disable mipsdspr2

  4378.             ;;

  4379.             24kec|34kc|1004kc)

  4380.                 disable mipsfpu

  4381.                 disable mipsdspr2

  4382.             ;;

  4383.             24kef*|34kf*|1004kf*)

  4384.                 disable mipsdspr2

  4385.             ;;

  4386.             74kc)

  4387.                 disable mipsfpu

  4388.             ;;

  4389.             p5600)

  4390.                 enable mips32r5

  4391.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4392.             ;;

  4393.             i6400)

  4394.                 enable mips64r6

  4395.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4396.             ;;

  4397.         esac

  4398.     else

  4399.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4400.         warn 'generic cpu selected'

  4401.     fi

  4402. 

  4403. elif enabled ppc; then

  4404. 

  4405.     disable ldbrx

  4406. 

  4407.     case $(tolower $cpu) in

  4408.         601|ppc601|powerpc601)

  4409.             cpuflags="-mcpu=601"

  4410.             disable altivec

  4411.         ;;

  4412.         603*|ppc603*|powerpc603*)

  4413.             cpuflags="-mcpu=603"

  4414.             disable altivec

  4415.         ;;

  4416.         604*|ppc604*|powerpc604*)

  4417.             cpuflags="-mcpu=604"

  4418.             disable altivec

  4419.         ;;

  4420.         g3|75*|ppc75*|powerpc75*)

  4421.             cpuflags="-mcpu=750"

  4422.             disable altivec

  4423.         ;;

  4424.         g4|745*|ppc745*|powerpc745*)

  4425.             cpuflags="-mcpu=7450"

  4426.             disable vsx

  4427.         ;;

  4428.         74*|ppc74*|powerpc74*)

  4429.             cpuflags="-mcpu=7400"

  4430.             disable vsx

  4431.         ;;

  4432.         g5|970|ppc970|powerpc970)

  4433.             cpuflags="-mcpu=970"

  4434.             disable vsx

  4435.         ;;

  4436.         power[3-6]*)

  4437.             cpuflags="-mcpu=$cpu"

  4438.             disable vsx

  4439.         ;;

  4440.         power[7-8]*)

  4441.             cpuflags="-mcpu=$cpu"

  4442.         ;;

  4443.         cell)

  4444.             cpuflags="-mcpu=cell"

  4445.             enable ldbrx

  4446.             disable vsx

  4447.         ;;

  4448.         e500mc)

  4449.             cpuflags="-mcpu=e500mc"

  4450.             disable altivec

  4451.         ;;

  4452.         e500v2)

  4453.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4454.             disable altivec

  4455.             disable dcbzl

  4456.         ;;

  4457.         e500)

  4458.             cpuflags="-mcpu=8540 -mhard-float"

  4459.             disable altivec

  4460.             disable dcbzl

  4461.         ;;

  4462.     esac

  4463. 

  4464. elif enabled sparc; then

  4465. 

  4466.     case $cpu in

  4467.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4468.             cpuflags="-mcpu=$cpu"

  4469.         ;;

  4470.         ultrasparc*|niagara[234])

  4471.             cpuflags="-mcpu=$cpu"

  4472.         ;;

  4473.     esac

  4474. 

  4475. elif enabled x86; then

  4476. 

  4477.     case $cpu in

  4478.         i[345]86|pentium)

  4479.             cpuflags="-march=$cpu"

  4480.             disable i686

  4481.             disable mmx

  4482.         ;;

  4483.         # targets that do NOT support nopl and conditional mov (cmov)

  4484.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4485.             cpuflags="-march=$cpu"

  4486.             disable i686

  4487.         ;;

  4488.         # targets that do support nopl and conditional mov (cmov)

  4489.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4490.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4491.             cpuflags="-march=$cpu"

  4492.             enable i686

  4493.             enable fast_cmov

  4494.         ;;

  4495.         # targets that do support conditional mov but on which it's slow

  4496.         pentium4|pentium4m|prescott|nocona)

  4497.             cpuflags="-march=$cpu"

  4498.             enable i686

  4499.             disable fast_cmov

  4500.         ;;

  4501.     esac

  4502. 

  4503. fi

  4504. 

  4505. if [ "$cpu" != generic ]; then

  4506.     add_cflags  $cpuflags

  4507.     add_asflags $cpuflags

  4508.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4509. fi

  4510. 

  4511. # compiler sanity check

  4512. check_exec <<EOF

  4513. int main(void){ return 0; }

  4514. EOF

  4515. if test "$?" != 0; then

  4516.     echo "$cc is unable to create an executable file."

  4517.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4518.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4519.         echo "Only do this if you know what cross compiling means."

  4520.     fi

  4521.     die "C compiler test failed."

  4522. fi

  4523. 

  4524. add_cppflags -D_ISOC99_SOURCE

  4525. add_cxxflags -D__STDC_CONSTANT_MACROS

  4526. check_cflags -std=c99

  4527. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4528. #include <stdlib.h>

  4529. EOF

  4530. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4531. #include <stdlib.h>

  4532. EOF

  4533. 

  4534. add_host_cppflags -D_ISOC99_SOURCE

  4535. check_host_cflags -std=c99

  4536. check_host_cflags -Wall

  4537. check_host_cflags -O3

  4538. 

  4539. check_64bit(){

  4540.     arch32=$1

  4541.     arch64=$2

  4542.     expr=$3

  4543.     check_code cc "" "int test[2*($expr) - 1]" &&

  4544.         subarch=$arch64 || subarch=$arch32

  4545. }

  4546. 

  4547. case "$arch" in

  4548.     aarch64|alpha|ia64)

  4549.         spic=$shared

  4550.     ;;

  4551.     mips)

  4552.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4553.         spic=$shared

  4554.     ;;

  4555.     parisc)

  4556.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4557.         spic=$shared

  4558.     ;;

  4559.     ppc)

  4560.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4561.         spic=$shared

  4562.     ;;

  4563.     s390)

  4564.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4565.         spic=$shared

  4566.     ;;

  4567.     sparc)

  4568.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4569.         spic=$shared

  4570.     ;;

  4571.     x86)

  4572.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4573.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4574.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4575.             subarch=x86_64

  4576.         if test "$subarch" = "x86_64"; then

  4577.             spic=$shared

  4578.         fi

  4579.     ;;

  4580.     ppc)

  4581.         check_cc <<EOF && subarch="ppc64"

  4582.         int test[(int)sizeof(char*) - 7];

  4583. EOF

  4584.     ;;

  4585. esac

  4586. 

  4587. enable $subarch

  4588. enabled spic && enable_weak pic

  4589. 

  4590. # OS specific

  4591. case $target_os in

  4592.     aix)

  4593.         SHFLAGS=-shared

  4594.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4595.         enabled shared && add_ldflags -Wl,-brtl

  4596.         ;;

  4597.     android)

  4598.         disable symver

  4599.         enable section_data_rel_ro

  4600.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4601.         SLIB_INSTALL_LINKS=

  4602.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4603.         ;;

  4604.     haiku)

  4605.         prefix_default="/boot/common"

  4606.         network_extralibs="-lnetwork"

  4607.         host_libs=

  4608.         ;;

  4609.     sunos)

  4610.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4611.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4612.         network_extralibs="-lsocket -lnsl"

  4613.         add_cppflags -D__EXTENSIONS__

  4614.         # When using suncc to build, the Solaris linker will mark

  4615.         # an executable with each instruction set encountered by

  4616.         # the Solaris assembler.  As our libraries contain their own

  4617.         # guards for processor-specific code, instead suppress

  4618.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4619.         enabled_all suncc x86 &&

  4620.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4621.             add_ldflags -Wl,-M,mapfile

  4622.         nm_default='nm -P -g'

  4623.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4624.         ;;

  4625.     netbsd)

  4626.         disable symver

  4627.         oss_indev_extralibs="-lossaudio"

  4628.         oss_outdev_extralibs="-lossaudio"

  4629.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4630.         ;;

  4631.     openbsd|bitrig)

  4632.         disable symver

  4633.         SHFLAGS='-shared'

  4634.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4635.         SLIB_INSTALL_LINKS=

  4636.         oss_indev_extralibs="-lossaudio"

  4637.         oss_outdev_extralibs="-lossaudio"

  4638.         ;;

  4639.     dragonfly)

  4640.         disable symver

  4641.         ;;

  4642.     freebsd)

  4643.         ;;

  4644.     bsd/os)

  4645.         add_extralibs -lpoll -lgnugetopt

  4646.         strip="strip -d"

  4647.         ;;

  4648.     darwin)

  4649.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4650.         install_name_dir_default='$(SHLIBDIR)'

  4651.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4652.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4653.         strip="${strip} -x"

  4654.         add_ldflags -Wl,-dynamic,-search_paths_first

  4655.         SLIBSUF=".dylib"

  4656.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4657.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4658.         objformat="macho"

  4659.         enabled x86_64 && objformat="macho64"

  4660.         enabled_any pic shared x86_64 ||

  4661.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4662.         check_header dispatch/dispatch.h &&

  4663.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  4664.         ;;

  4665.     msys*)

  4666.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  4667.         ;;

  4668.     mingw32*|mingw64*)

  4669.         if test $target_os = "mingw32ce"; then

  4670.             disable network

  4671.         else

  4672.             target_os=mingw32

  4673.         fi

  4674.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4675.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4676.         LIBTARGET=i386

  4677.         if enabled x86_64; then

  4678.             LIBTARGET="i386:x86-64"

  4679.         elif enabled arm; then

  4680.             LIBTARGET=arm-wince

  4681.         fi

  4682.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4683.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4684.         shlibdir_default="$bindir_default"

  4685.         SLIBPREF=""

  4686.         SLIBSUF=".dll"

  4687.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4688.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4689.         dlltool="${cross_prefix}dlltool"

  4690.         if check_cmd lib.exe -list; then

  4691.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4692.             if enabled x86_64; then

  4693.                 LIBTARGET=x64

  4694.             fi

  4695.         elif check_cmd $dlltool --version; then

  4696.             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)'

  4697.         fi

  4698.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4699.         SLIB_INSTALL_LINKS=

  4700.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4701.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4702.         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'

  4703.         objformat="win32"

  4704.         ranlib=:

  4705.         enable dos_paths

  4706.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4707.         # Lets work around some stupidity in binutils.

  4708.         # ld will strip relocations from executables even though we need them

  4709.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4710.         # however ld then forgets what the entry point should be (oops) so we

  4711.         # have to manually (re)set it.

  4712.         if enabled x86_32; then

  4713.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4714.         elif enabled x86_64; then

  4715.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4716.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4717.             # Set image base >4GB for extra entropy with HEASLR

  4718.             add_ldexeflags -Wl,--image-base,0x140000000

  4719.             append SHFLAGS -Wl,--image-base,0x180000000

  4720.         fi

  4721.         ;;

  4722.     win32|win64)

  4723.         disable symver

  4724.         if enabled shared; then

  4725.             # Link to the import library instead of the normal static library

  4726.             # for shared libs.

  4727.             LD_LIB='%.lib'

  4728.             # Cannot build both shared and static libs with MSVC or icl.

  4729.             disable static

  4730.         fi

  4731.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4732.         shlibdir_default="$bindir_default"

  4733.         SLIBPREF=""

  4734.         SLIBSUF=".dll"

  4735.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4736.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4737.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4738.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4739.         SLIB_INSTALL_LINKS=

  4740.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4741.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4742.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4743.         objformat="win32"

  4744.         ranlib=:

  4745.         enable dos_paths

  4746.         ;;

  4747.     cygwin*)

  4748.         target_os=cygwin

  4749.         shlibdir_default="$bindir_default"

  4750.         SLIBPREF="cyg"

  4751.         SLIBSUF=".dll"

  4752.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4753.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4754.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4755.         SLIB_INSTALL_LINKS=

  4756.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4757.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4758.         objformat="win32"

  4759.         enable dos_paths

  4760.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4761.         ;;

  4762.     *-dos|freedos|opendos)

  4763.         network_extralibs="-lsocket"

  4764.         objformat="coff"

  4765.         enable dos_paths

  4766.         add_cppflags -U__STRICT_ANSI__

  4767.         ;;

  4768.     linux)

  4769.         enable dv1394

  4770.         enable section_data_rel_ro

  4771.         ;;

  4772.     irix*)

  4773.         target_os=irix

  4774.         ranlib="echo ignoring ranlib"

  4775.         ;;

  4776.     os/2*)

  4777.         strip="lxlite -CS"

  4778.         objformat="aout"

  4779.         add_cppflags -D_GNU_SOURCE

  4780.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4781.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4782.         LIBSUF="_s.a"

  4783.         SLIBPREF=""

  4784.         SLIBSUF=".dll"

  4785.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4786.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4787.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  4788.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  4789.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  4790.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  4791.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  4792.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  4793.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  4794.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4795.         SLIB_INSTALL_LINKS=

  4796.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  4797.         enable dos_paths

  4798.         enable_weak os2threads

  4799.         ;;

  4800.     gnu/kfreebsd)

  4801.         add_cppflags -D_BSD_SOURCE

  4802.         ;;

  4803.     gnu)

  4804.         ;;

  4805.     qnx)

  4806.         add_cppflags -D_QNX_SOURCE

  4807.         network_extralibs="-lsocket"

  4808.         ;;

  4809.     symbian)

  4810.         SLIBSUF=".dll"

  4811.         enable dos_paths

  4812.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4813.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4814.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4815.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4816.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4817.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4818.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4819.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4820.         ;;

  4821.     osf1)

  4822.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4823.         ;;

  4824.     minix)

  4825.         ;;

  4826.     plan9)

  4827.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4828.                      -D_REENTRANT_SOURCE        \

  4829.                      -D_RESEARCH_SOURCE         \

  4830.                      -DFD_SETSIZE=96            \

  4831.                      -DHAVE_SOCK_OPTS

  4832.         add_compat strtod.o strtod=avpriv_strtod

  4833.         network_extralibs='-lbsd'

  4834.         exeobjs=compat/plan9/main.o

  4835.         disable ffserver

  4836.         cp_f='cp'

  4837.         ;;

  4838.     none)

  4839.         ;;

  4840.     *)

  4841.         die "Unknown OS '$target_os'."

  4842.         ;;

  4843. esac

  4844. 

  4845. # test if creating links works

  4846. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4847. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4848. mkdir "$link_dest"

  4849. $ln_s "$link_dest" "$link_name"

  4850. touch "$link_dest/test_file"

  4851. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4852.     # create link to source path

  4853.     [ -e src ] && rm src

  4854.     $ln_s "$source_path" src

  4855.     source_link=src

  4856. else

  4857.     # creating directory links doesn't work

  4858.     # fall back to using the full source path

  4859.     source_link="$source_path"

  4860. fi

  4861. # cleanup

  4862. rm -r "$link_dest"

  4863. rm -r "$link_name"

  4864. 

  4865. # determine libc flavour

  4866. 

  4867. probe_libc(){

  4868.     pfx=$1

  4869.     pfx_no_=${pfx%_}

  4870.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4871.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4872.         eval ${pfx}libc_type=uclibc

  4873.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4874.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4875.         eval ${pfx}libc_type=glibc

  4876.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4877.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4878.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4879.         eval ${pfx}libc_type=newlib

  4880.         add_${pfx}cppflags -U__STRICT_ANSI__

  4881.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4882.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4883.         eval ${pfx}libc_type=mingw64

  4884.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4885.             add_compat msvcrt/snprintf.o

  4886.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4887.         fi

  4888.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4889.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4890.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4891.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4892.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4893.         eval ${pfx}libc_type=mingw32

  4894.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4895.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4896.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4897.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4898.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4899.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4900.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4901.         eval ${pfx}libc_type=msvcrt

  4902.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4903.             if [ "$pfx" = host_ ]; then

  4904.                 add_host_cppflags -Dsnprintf=_snprintf

  4905.             else

  4906.                 add_compat strtod.o strtod=avpriv_strtod

  4907.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4908.                                              _snprintf=avpriv_snprintf  \

  4909.                                              vsnprintf=avpriv_vsnprintf

  4910.             fi

  4911.         fi

  4912.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4913.         # 0x601 by default unless something else is set by the user.

  4914.         # This can easily lead to us detecting functions only present

  4915.         # in such new versions and producing binaries requiring windows 7.0.

  4916.         # Therefore explicitly set the default to XP unless the user has

  4917.         # set something else on the command line.

  4918.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4919.         # family. For these cases, configure is free to use any functions

  4920.         # found in the SDK headers by default. (Alternatively, we could force

  4921.         # _WIN32_WINNT to 0x0602 in that case.)

  4922.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4923.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4924. #ifdef WINAPI_FAMILY

  4925. #include <winapifamily.h>

  4926. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4927. #error not desktop

  4928. #endif

  4929. #endif

  4930. EOF

  4931.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4932.         eval ${pfx}libc_type=klibc

  4933.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4934.         eval ${pfx}libc_type=bionic

  4935.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4936.         eval ${pfx}libc_type=solaris

  4937.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4938.     fi

  4939.     check_${pfx}cc <<EOF

  4940. #include <time.h>

  4941. void *v = localtime_r;

  4942. EOF

  4943. 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

  4944. #include <time.h>

  4945. void *v = localtime_r;

  4946. EOF

  4947. 

  4948. }

  4949. 

  4950. probe_libc

  4951. test -n "$libc_type" && enable libc_$libc_type

  4952. probe_libc host_

  4953. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4954. 

  4955. case $libc_type in

  4956.     bionic)

  4957.         add_compat strtod.o strtod=avpriv_strtod

  4958.         ;;

  4959. esac

  4960. 

  4961. # hacks for compiler/libc/os combinations

  4962. 

  4963. if enabled_all tms470 libc_glibc; then

  4964.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4965.     add_cppflags -D__USER_LABEL_PREFIX__=

  4966.     add_cppflags -D__builtin_memset=memset

  4967.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4968.     add_cflags   -pds=48    # incompatible redefinition of macro

  4969. fi

  4970. 

  4971. if enabled_all ccc libc_glibc; then

  4972.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4973. fi

  4974. 

  4975. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4976.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4977. 

  4978. esc(){

  4979.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4980. }

  4981. 

  4982. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4983. 

  4984. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4985. 

  4986. set_default libdir

  4987. : ${shlibdir_default:="$libdir"}

  4988. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4989. 

  4990. set_default $PATHS_LIST

  4991. set_default nm

  4992. 

  4993. # we need to build at least one lib type

  4994. if ! enabled_any static shared; then

  4995.     cat <<EOF

  4996. At least one library type must be built.

  4997. Specify --enable-static to build the static libraries or --enable-shared to

  4998. build the shared libraries as well. To only build the shared libraries specify

  4999. --disable-static in addition to --enable-shared.

  5000. EOF

  5001.     exit 1

  5002. fi

  5003. 

  5004. die_license_disabled() {

  5005.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  5006. }

  5007. 

  5008. die_license_disabled_gpl() {

  5009.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  5010. }

  5011. 

  5012. die_license_disabled gpl frei0r

  5013. die_license_disabled gpl libcdio

  5014. die_license_disabled gpl librubberband

  5015. die_license_disabled gpl libsmbclient

  5016. die_license_disabled gpl libutvideo

  5017. die_license_disabled gpl libvidstab

  5018. die_license_disabled gpl libx264

  5019. die_license_disabled gpl libx265

  5020. die_license_disabled gpl libxavs

  5021. die_license_disabled gpl libxvid

  5022. die_license_disabled gpl x11grab

  5023. 

  5024. die_license_disabled nonfree cuda

  5025. die_license_disabled nonfree cuvid

  5026. die_license_disabled nonfree libfaac

  5027. die_license_disabled nonfree libnpp

  5028. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  5029. enabled gpl && die_license_disabled_gpl nonfree openssl

  5030. 

  5031. die_license_disabled version3 gmp

  5032. die_license_disabled version3 libopencore_amrnb

  5033. die_license_disabled version3 libopencore_amrwb

  5034. die_license_disabled version3 libsmbclient

  5035. die_license_disabled version3 libvo_amrwbenc

  5036. 

  5037. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  5038. 

  5039. disabled optimizations || check_cflags -fomit-frame-pointer

  5040. 

  5041. enable_weak_pic() {

  5042.     disabled pic && return

  5043.     enable pic

  5044.     add_cppflags -DPIC

  5045.     case "$target_os" in

  5046.     mingw*|cygwin*)

  5047.         ;;

  5048.     *)

  5049.         add_cflags -fPIC

  5050.         ;;

  5051.     esac

  5052.     add_asflags  -fPIC

  5053. }

  5054. 

  5055. enabled pic && enable_weak_pic

  5056. 

  5057. check_cc <<EOF || die "Symbol mangling check failed."

  5058. int ff_extern;

  5059. EOF

  5060. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5061. extern_prefix=${sym%%ff_extern*}

  5062. 

  5063. check_cc <<EOF && enable_weak inline_asm

  5064. void foo(void) { __asm__ volatile ("" ::); }

  5065. EOF

  5066. 

  5067. _restrict=

  5068. for restrict_keyword in restrict __restrict__ __restrict; do

  5069.     check_cc <<EOF && _restrict=$restrict_keyword && break

  5070. void foo(char * $restrict_keyword p);

  5071. EOF

  5072. done

  5073. 

  5074. check_cc <<EOF && enable pragma_deprecated

  5075. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  5076. EOF

  5077. 

  5078. check_cc <<EOF && enable attribute_packed

  5079. struct { int x; } __attribute__((packed)) x;

  5080. EOF

  5081. 

  5082. check_cc <<EOF && enable attribute_may_alias

  5083. union { int x; } __attribute__((may_alias)) x;

  5084. EOF

  5085. 

  5086. check_cc <<EOF || die "endian test failed"

  5087. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5088. EOF

  5089. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5090. 

  5091. if ! enabled ppc64 || enabled bigendian; then

  5092.     disable vsx

  5093. fi

  5094. 

  5095. check_gas() {

  5096.     log "check_gas using '$as' as AS"

  5097.     # :vararg is used on aarch64, arm and ppc altivec

  5098.     check_as <<EOF || return 1

  5099. .macro m n, y:vararg=0

  5100. \n: .int \y

  5101. .endm

  5102. m x

  5103. EOF

  5104.     # .altmacro is only used in arm asm

  5105.     ! enabled arm || check_as <<EOF || return 1

  5106. .altmacro

  5107. EOF

  5108.     enable gnu_as

  5109.     return 0

  5110. }

  5111. 

  5112. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5113.     nogas=:

  5114.     enabled_any arm aarch64 && nogas=die

  5115.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5116.     as_noop=-v

  5117. 

  5118.     case $as_type in

  5119.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5120.         gcc)  gaspp_as_type=gas ;;

  5121.         *)    gaspp_as_type=$as_type ;;

  5122.     esac

  5123. 

  5124.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5125. 

  5126.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5127.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5128.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5129. 

  5130.     if ! check_gas ; then

  5131.         as=${gas:=$as}

  5132.         check_gas || \

  5133.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5134.     fi

  5135. 

  5136.     check_as <<EOF && enable as_func

  5137. .func test

  5138. .endfunc

  5139. EOF

  5140. fi

  5141. 

  5142. check_inline_asm inline_asm_labels '"1:\n"'

  5143. 

  5144. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5145. 

  5146. if enabled aarch64; then

  5147.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5148.     # internal assembler in clang 3.3 does not support this instruction

  5149.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5150.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5151. 

  5152.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5153. 

  5154. elif enabled alpha; then

  5155. 

  5156.     check_cflags -mieee

  5157. 

  5158. elif enabled arm; then

  5159. 

  5160.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5161. 

  5162.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5163. float func(float a, float b){ return a+b; }

  5164. EOF

  5165. 

  5166.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5167. 

  5168.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5169.         enable vfp_args

  5170.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5171.         enable vfp_args

  5172.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5173.         case "${cross_prefix:-$cc}" in

  5174.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5175.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5176. __asm__ (".eabi_attribute 28, 1");

  5177. int main(void) { return 0; }

  5178. EOF

  5179.         esac

  5180.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5181.     fi

  5182. 

  5183.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5184.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5185.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5186.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5187.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5188.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5189.     enabled setend  && check_insn setend  'setend be'

  5190. 

  5191.     [ $target_os = linux ] || [ $target_os = android ] ||

  5192.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5193.             $ARCH_EXT_LIST_ARM

  5194. 

  5195.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5196. 

  5197.     check_as <<EOF && enable as_dn_directive

  5198. ra .dn d0.i16

  5199. .unreq ra

  5200. EOF

  5201. 

  5202.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5203.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5204. .object_arch armv4

  5205. EOF

  5206. 

  5207.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5208. 

  5209. elif enabled mips; then

  5210. 

  5211.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5212.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5213.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5214. 

  5215.     # Enable minimum ISA based on selected options

  5216.     if enabled mips64; then

  5217.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5218.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5219.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5220.     else

  5221.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5222.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5223.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5224.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5225.     fi

  5226. 

  5227.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5228.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5229.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa

  5230.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5231.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5232. 

  5233. elif enabled parisc; then

  5234. 

  5235.     if enabled gcc; then

  5236.         case $($cc -dumpversion) in

  5237.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5238.         esac

  5239.     fi

  5240. 

  5241. elif enabled ppc; then

  5242. 

  5243.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5244. 

  5245.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5246.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5247.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5248.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5249. 

  5250.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5251.     if enabled altivec; then

  5252.         check_cflags -maltivec -mabi=altivec &&

  5253.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5254.         check_cflags -faltivec

  5255. 

  5256.         # check if our compiler supports Motorola AltiVec C API

  5257.         check_cc <<EOF || disable altivec

  5258. $inc_altivec_h

  5259. int main(void) {

  5260.     vector signed int v1 = (vector signed int) { 0 };

  5261.     vector signed int v2 = (vector signed int) { 1 };

  5262.     v1 = vec_add(v1, v2);

  5263.     return 0;

  5264. }

  5265. EOF

  5266. 

  5267.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5268.     fi

  5269. 

  5270.     if enabled vsx; then

  5271.         check_cflags -mvsx &&

  5272.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5273.     fi

  5274. 

  5275.     if enabled power8; then

  5276.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5277.     fi

  5278. 

  5279. elif enabled x86; then

  5280. 

  5281.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5282.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5283. 

  5284.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5285. 

  5286.     # check whether EBP is available on x86

  5287.     # As 'i' is stored on the stack, this program will crash

  5288.     # if the base pointer is used to access it because the

  5289.     # base pointer is cleared in the inline assembly code.

  5290.     check_exec_crash <<EOF && enable ebp_available

  5291. volatile int i=0;

  5292. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5293. return i;

  5294. EOF

  5295. 

  5296.     # check whether EBX is available on x86

  5297.     check_inline_asm ebx_available '""::"b"(0)' &&

  5298.         check_inline_asm ebx_available '"":::"%ebx"'

  5299. 

  5300.     # check whether xmm clobbers are supported

  5301.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5302. 

  5303.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5304.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5305. 

  5306.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5307.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5308.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5309. 

  5310.     if ! disabled_any asm mmx yasm; then

  5311.         if check_cmd $yasmexe --version; then

  5312.             enabled x86_64 && yasm_extra="-m amd64"

  5313.             yasm_debug="-g dwarf2"

  5314.         elif check_cmd nasm -v; then

  5315.             yasmexe=nasm

  5316.             yasm_debug="-g -F dwarf"

  5317.             if enabled x86_64; then

  5318.                 case "$objformat" in

  5319.                     elf)   objformat=elf64 ;;

  5320.                     win32) objformat=win64 ;;

  5321.                 esac

  5322.             fi

  5323.         fi

  5324. 

  5325.         YASMFLAGS="-f $objformat $yasm_extra"

  5326.         enabled pic               && append YASMFLAGS "-DPIC"

  5327.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5328.         case "$objformat" in

  5329.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5330.         esac

  5331. 

  5332.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5333.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5334.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5335.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5336.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5337.         check_yasm "CPU amdnop" || disable cpunop

  5338.     fi

  5339. 

  5340.     case "$cpu" in

  5341.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5342.             disable fast_clz

  5343.         ;;

  5344.     esac

  5345. 

  5346. fi

  5347. 

  5348. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5349. 

  5350. check_ldflags -Wl,--as-needed

  5351. check_ldflags -Wl,-z,noexecstack

  5352. 

  5353. if check_func dlopen; then

  5354.     ldl=

  5355. elif check_func dlopen -ldl; then

  5356.     ldl=-ldl

  5357. fi

  5358. 

  5359. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5360. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5361. frei0r_filter_extralibs='$ldl'

  5362. frei0r_src_filter_extralibs='$ldl'

  5363. ladspa_filter_extralibs='$ldl'

  5364. nvenc_encoder_extralibs='$ldl'

  5365. coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5366. coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5367. 

  5368. if ! disabled network; then

  5369.     check_func getaddrinfo $network_extralibs

  5370.     check_func inet_aton $network_extralibs

  5371. 

  5372.     check_type netdb.h "struct addrinfo"

  5373.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5374.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5375.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5376.     check_type poll.h "struct pollfd"

  5377.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5378.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5379.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5380.     check_type netinet/in.h "struct sockaddr_in6"

  5381.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5382.     check_type "sys/types.h sys/socket.h" socklen_t

  5383. 

  5384.     # Prefer arpa/inet.h over winsock2

  5385.     if check_header arpa/inet.h ; then

  5386.         check_func closesocket

  5387.     elif check_header winsock2.h ; then

  5388.         check_func_headers winsock2.h closesocket -lws2 &&

  5389.             network_extralibs="-lws2" ||

  5390.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5391.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5392.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5393. 

  5394.         check_type ws2tcpip.h socklen_t

  5395.         check_type ws2tcpip.h "struct addrinfo"

  5396.         check_type ws2tcpip.h "struct group_source_req"

  5397.         check_type ws2tcpip.h "struct ip_mreq_source"

  5398.         check_type ws2tcpip.h "struct ipv6_mreq"

  5399.         check_type winsock2.h "struct pollfd"

  5400.         check_struct winsock2.h "struct sockaddr" sa_len

  5401.         check_type ws2tcpip.h "struct sockaddr_in6"

  5402.         check_type ws2tcpip.h "struct sockaddr_storage"

  5403.     else

  5404.         disable network

  5405.     fi

  5406. fi

  5407. 

  5408. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5409. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5410. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5411. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5412. check_builtin sarestart signal.h "SA_RESTART"

  5413. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5414. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5415. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5416. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5417. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  5418. 

  5419. case "$custom_allocator" in

  5420.     jemalloc)

  5421.         # jemalloc by default does not use a prefix

  5422.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5423.     ;;

  5424.     tcmalloc)

  5425.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5426.         malloc_prefix=tc_

  5427.     ;;

  5428. esac

  5429. 

  5430. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5431. check_func  ${malloc_prefix}memalign            && enable memalign

  5432. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5433. 

  5434. check_func  access

  5435. check_func  arc4random

  5436. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5437. check_func  fcntl

  5438. check_func  fork

  5439. check_func  gethrtime

  5440. check_func  getopt

  5441. check_func  getrusage

  5442. check_func  gettimeofday

  5443. check_func  isatty

  5444. check_func  mach_absolute_time

  5445. check_func  mkstemp

  5446. check_func  mmap

  5447. check_func  mprotect

  5448. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5449. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5450. check_func  sched_getaffinity

  5451. check_func  setrlimit

  5452. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5453. check_func  strerror_r

  5454. check_func  sysconf

  5455. check_func  sysctl

  5456. check_func  usleep

  5457. 

  5458. check_func_headers conio.h kbhit

  5459. check_func_headers io.h setmode

  5460. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5461. check_func_headers stdlib.h getenv

  5462. check_func_headers sys/stat.h lstat

  5463. 

  5464. check_func_headers windows.h CoTaskMemFree -lole32

  5465. check_func_headers windows.h GetProcessAffinityMask

  5466. check_func_headers windows.h GetProcessTimes

  5467. check_func_headers windows.h GetSystemTimeAsFileTime

  5468. check_func_headers windows.h MapViewOfFile

  5469. check_func_headers windows.h PeekNamedPipe

  5470. check_func_headers windows.h SetConsoleTextAttribute

  5471. check_func_headers windows.h SetConsoleCtrlHandler

  5472. check_func_headers windows.h Sleep

  5473. check_func_headers windows.h VirtualAlloc

  5474. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5475. check_func_headers glob.h glob

  5476. enabled xlib &&

  5477.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5478. 

  5479. check_header AudioToolbox/AudioToolbox.h

  5480. check_header direct.h

  5481. check_header dirent.h

  5482. check_header dlfcn.h

  5483. check_header d3d11.h

  5484. check_header dxva.h

  5485. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5486. check_header io.h

  5487. check_header libcrystalhd/libcrystalhd_if.h

  5488. check_header mach/mach_time.h

  5489. check_header malloc.h

  5490. check_header net/udplite.h

  5491. check_header poll.h

  5492. check_header sys/mman.h

  5493. check_header sys/param.h

  5494. check_header sys/resource.h

  5495. check_header sys/select.h

  5496. check_header sys/time.h

  5497. check_header sys/un.h

  5498. check_header termios.h

  5499. check_header unistd.h

  5500. check_header valgrind/valgrind.h

  5501. check_header vdpau/vdpau.h

  5502. check_header vdpau/vdpau_x11.h

  5503. check_header VideoDecodeAcceleration/VDADecoder.h

  5504. check_header VideoToolbox/VideoToolbox.h

  5505. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5506. enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo

  5507. check_header windows.h

  5508. check_header X11/extensions/XvMClib.h

  5509. check_header asm/types.h

  5510. 

  5511. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5512. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5513. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5514. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5515. 

  5516. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5517. 

  5518. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5519. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5520. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5521. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5522. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5523. 

  5524. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5525. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5526. check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"

  5527. check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"

  5528. check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  5529. check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  5530. 

  5531. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5532. 

  5533. check_type "cuviddec.h" "CUVIDH264PICPARAMS"

  5534. check_type "cuviddec.h" "CUVIDHEVCPICPARAMS"

  5535. check_type "cuviddec.h" "CUVIDVC1PICPARAMS"

  5536. check_type "cuviddec.h" "CUVIDVP9PICPARAMS"

  5537. 

  5538. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5539. 

  5540. if ! disabled w32threads && ! enabled pthreads; then

  5541.     check_func_headers "windows.h process.h" _beginthreadex &&

  5542.         enable w32threads || disable w32threads

  5543.     if ! enabled w32threads && enabled winrt; then

  5544.         check_func_headers "windows.h" CreateThread &&

  5545.             enable w32threads || disable w32threads

  5546.     fi

  5547. fi

  5548. 

  5549. # check for some common methods of building with pthread support

  5550. # do this before the optional library checks as some of them require pthreads

  5551. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5552.     enable pthreads

  5553.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5554.         add_cflags -pthread

  5555.         add_extralibs -pthread

  5556.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5557.         add_cflags -pthreads

  5558.         add_extralibs -pthreads

  5559.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5560.         add_cflags -ldl -pthread

  5561.         add_extralibs -ldl -pthread

  5562.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5563.         add_extralibs -lpthreadGC2

  5564.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5565.         :

  5566.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5567.         disable pthreads

  5568.     fi

  5569.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5570. fi

  5571. 

  5572. 

  5573. if enabled pthreads; then

  5574.   check_func pthread_cancel

  5575. fi

  5576. 

  5577. enabled pthreads &&

  5578.     check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"

  5579. 

  5580. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5581. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5582. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5583. 

  5584. check_lib math.h sin -lm && LIBM="-lm"

  5585. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5586. 

  5587. atan2f_args=2

  5588. copysign_args=2

  5589. hypot_args=2

  5590. ldexpf_args=2

  5591. powf_args=2

  5592. 

  5593. for func in $MATH_FUNCS; do

  5594.     eval check_mathfunc $func \${${func}_args:-1}

  5595. done

  5596. 

  5597. for func in $COMPLEX_FUNCS; do

  5598.     eval check_complexfunc $func \${${func}_args:-1}

  5599. done

  5600. 

  5601. # Enable CUVID by default if CUDA is enabled

  5602. if enabled cuda && ! disabled cuvid; then

  5603.     enable cuvid

  5604. fi

  5605. 

  5606. # these are off by default, so fail if requested and not available

  5607. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5608. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5609.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5610. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5611.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5612.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5613. enabled cuda              && { check_lib cuda.h cuInit -lcuda ||

  5614.                                die "ERROR: CUDA not found"; }

  5615. enabled cuvid             && { check_lib cuviddec.h cuvidCreateDecoder -lnvcuvid ||

  5616.                                die "ERROR: CUVID not found"; } &&

  5617.                              { enabled cuda ||

  5618.                                die "ERROR: CUVID requires CUDA"; }

  5619. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5620. enabled coreimage_filter  && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }

  5621. enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }

  5622. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5623. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5624. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5625. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5626. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&

  5627.                                check_lib2 "dlfcn.h" dlopen -ldl; }

  5628. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5629. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5630. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5631. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5632. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5633. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5634.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5635.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5636. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5637. enabled libebur128        && require ebur128 ebur128.h ebur128_relative_threshold -lebur128

  5638. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5639. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5640.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5641.                                  warn "using libfdk without pkg-config"; } }

  5642. 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"

  5643. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5644. enabled fontconfig        && enable libfontconfig

  5645. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5646. enabled libfreetype       && require_libfreetype

  5647. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5648. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5649. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5650.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5651.                                done || die "ERROR: libgsm not found"; }

  5652. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5653. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5654. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5655. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5656. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5657. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5658. enabled libnpp            && require libnpp npp.h nppGetLibVersion -lnppi -lnppc

  5659. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5660. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5661. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5662.                                { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5663.                                  require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5664.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5665. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5666. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5667.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5668.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5669.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5670.                                die "ERROR: libopenjpeg not found"; }

  5671. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5672. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5673. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5674. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5675. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5676. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5677. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5678.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5679. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5680. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5681. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5682. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5683. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5684. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5685. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5686.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5687.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5688. enabled libutvideo        && { require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++ &&

  5689.                                check_cpp_condition utvideo/utvideo.h "!defined(UTVIDEO_VERSION_MAJOR) || UTVIDEO_VERSION_MAJOR < 15 || UTVIDEO_VERSION_MAJOR == 15 && UTVIDEO_VERSION_MINOR < 4" ||

  5690.                                die "ERROR: libutvideo version must be <= 15.3.0."; }

  5691. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5692. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5693. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5694. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5695. 

  5696. enabled libvpx            && {

  5697.     enabled libvpx_vp8_decoder && {

  5698.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5699.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5700.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5701.     }

  5702.     enabled libvpx_vp8_encoder && {

  5703.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5704.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5705.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5706.     }

  5707.     enabled libvpx_vp9_decoder && {

  5708.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5709.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5710.                 disable libvpx_vp9_decoder;

  5711.     }

  5712.     enabled libvpx_vp9_encoder && {

  5713.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5714.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5715.                 disable libvpx_vp9_encoder;

  5716.     }

  5717.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5718.         die "libvpx enabled but no supported decoders found"

  5719.     fi

  5720. }

  5721. 

  5722. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5723. enabled libwebp           && {

  5724.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5725.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5726. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5727.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5728.                                  warn "using libx264 without pkg-config"; } } &&

  5729.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5730.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5731.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5732.                                enable libx262; }

  5733. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5734.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5735.                                die "ERROR: libx265 version must be >= 68."; }

  5736. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5737. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5738. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5739. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5740. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5741.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5742.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5743. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  5744. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5745.                                 { ! enabled cross_compile && {

  5746.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5747.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5748.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5749.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5750.                                die "ERROR: mmal not found"; }

  5751. enabled mmal && check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"

  5752. 

  5753. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5754. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5755.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||

  5756.                                die "ERROR: NVENC API version 5 or older is not supported"; } &&

  5757.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5758. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5759.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5760.                                die "ERROR: openal not found"; } &&

  5761.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5762.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5763. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5764.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5765.                                die "ERROR: opencl not found"; } &&

  5766.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5767.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5768.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5769. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5770.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5771.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5772.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5773.                                die "ERROR: opengl not found."

  5774.                              }

  5775. enabled omx_rpi && enable omx

  5776. enabled omx               && { check_header OMX_Core.h ||

  5777.                                 { ! enabled cross_compile && enabled omx_rpi && {

  5778.                                     add_cflags -isystem/opt/vc/include/IL ; }

  5779.                                 check_header OMX_Core.h ; } ||

  5780.                                die "ERROR: OpenMAX IL headers not found"; }

  5781. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5782.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5783.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5784.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5785.                                die "ERROR: openssl not found"; }

  5786. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5787. 

  5788. # libdc1394 check

  5789. if enabled libdc1394; then

  5790.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5791.         enable libdc1394_2; } ||

  5792.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5793.         enable libdc1394_1; } ||

  5794.     die "ERROR: No version of libdc1394 found "

  5795. fi

  5796. 

  5797. if enabled gcrypt; then

  5798.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5799.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5800.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5801.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5802.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5803.             die "ERROR: gcrypt not found"

  5804.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5805.     else

  5806.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5807.     fi

  5808. fi

  5809. 

  5810. if ! disabled sdl; then

  5811.     SDL_CONFIG="${cross_prefix}sdl-config"

  5812.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5813.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5814.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5815.         enable sdl

  5816.     else

  5817.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5818.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5819.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5820.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5821.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5822.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5823.             enable sdl

  5824.         elif enabled sdl ; then

  5825.             die "ERROR: SDL not found"

  5826.         else

  5827.             disable sdl

  5828.         fi

  5829.     fi

  5830.     if test $target_os = "mingw32"; then

  5831.         sdl_libs="$sdl_libs -mconsole"

  5832.     fi

  5833. fi

  5834. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5835. 

  5836. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5837.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5838.     enable securetransport; }

  5839. 

  5840. disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  5841.                        check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }

  5842. 

  5843. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5844. enabled makeinfo \

  5845.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5846.     && enable makeinfo_html || disable makeinfo_html

  5847. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5848. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5849. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5850. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5851. 

  5852. check_header linux/fb.h

  5853. check_header linux/videodev.h

  5854. check_header linux/videodev2.h

  5855. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5856. 

  5857. check_header sys/videoio.h

  5858. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5859. 

  5860. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5861. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5862. # w32api 3.12 had it defined wrong

  5863. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5864. 

  5865. check_type "dshow.h" IBaseFilter

  5866. 

  5867. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5868. { check_header dev/bktr/ioctl_meteor.h &&

  5869.   check_header dev/bktr/ioctl_bt848.h; } ||

  5870. { check_header machine/ioctl_meteor.h &&

  5871.   check_header machine/ioctl_bt848.h; } ||

  5872. { check_header dev/video/meteor/ioctl_meteor.h &&

  5873.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5874. check_header dev/ic/bt8xx.h

  5875. 

  5876. check_header sndio.h

  5877. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5878.     enable_safe sys/soundcard.h

  5879. else

  5880.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5881.     #include <sys/soundcard.h>

  5882.     audio_buf_info abc;

  5883. EOF

  5884. fi

  5885. check_header soundcard.h

  5886. 

  5887. enabled_any alsa_indev alsa_outdev &&

  5888.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5889. 

  5890. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5891.     check_func jack_port_get_latency_range -ljack

  5892. 

  5893. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5894. 

  5895. if enabled libcdio; then

  5896.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5897.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5898.     die "ERROR: No usable libcdio/cdparanoia found"

  5899. fi

  5900. 

  5901. enabled xlib &&

  5902.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5903. 

  5904. if ! disabled libxcb; then

  5905.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5906.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5907.     } && disable x11grab && enable libxcb

  5908. 

  5909. if enabled libxcb; then

  5910.     disabled libxcb_shm || {

  5911.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5912.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5913.         } && check_header sys/shm.h && enable libxcb_shm; }

  5914. 

  5915.     disabled libxcb_xfixes || {

  5916.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5917.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5918.         } && enable libxcb_xfixes; }

  5919. 

  5920.     disabled libxcb_shape || {

  5921.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5922.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5923.         } && enable libxcb_shape; }

  5924. 

  5925.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5926.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5927. fi

  5928. fi

  5929. 

  5930. if enabled x11grab; then

  5931.     enabled xlib || die "ERROR: Xlib not found"

  5932.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5933.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5934. fi

  5935. 

  5936. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5937. 

  5938. enabled dxva2api_h &&

  5939.     check_cc <<EOF && enable dxva2api_cobj

  5940. #define _WIN32_WINNT 0x0600

  5941. #define COBJMACROS

  5942. #include <windows.h>

  5943. #include <d3d9.h>

  5944. #include <dxva2api.h>

  5945. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5946. EOF

  5947. 

  5948. enabled vaapi &&

  5949.     check_lib va/va.h vaInitialize -lva ||

  5950.     disable vaapi

  5951. 

  5952. enabled vaapi &&

  5953.     check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||

  5954.     disable vaapi

  5955. 

  5956. if enabled vaapi ; then

  5957.     enabled xlib &&

  5958.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5959.     enable vaapi_x11

  5960. 

  5961.     check_lib2 "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&

  5962.     enable vaapi_drm

  5963. fi

  5964. 

  5965. enabled vdpau &&

  5966.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5967.     disable vdpau

  5968. 

  5969. enabled vdpau && enabled xlib &&

  5970.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5971.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5972.     enable vdpau_x11

  5973. 

  5974. # Funny iconv installations are not unusual, so check it after all flags have been set

  5975. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5976. 

  5977. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5978. 

  5979. # add some useful compiler flags if supported

  5980. check_cflags -Wdeclaration-after-statement

  5981. check_cflags -Wall

  5982. check_cflags -Wdisabled-optimization

  5983. check_cflags -Wpointer-arith

  5984. check_cflags -Wredundant-decls

  5985. check_cflags -Wwrite-strings

  5986. check_cflags -Wtype-limits

  5987. check_cflags -Wundef

  5988. check_cflags -Wmissing-prototypes

  5989. check_cflags -Wno-pointer-to-int-cast

  5990. check_cflags -Wstrict-prototypes

  5991. check_cflags -Wempty-body

  5992. enabled extra_warnings && check_cflags -Winline

  5993. enabled extra_warnings && check_cflags -Wcast-qual

  5994. 

  5995. check_disable_warning(){

  5996.     warning_flag=-W${1#-Wno-}

  5997.     test_cflags $warning_flag && add_cflags $1

  5998. }

  5999. 

  6000. check_disable_warning -Wno-parentheses

  6001. check_disable_warning -Wno-switch

  6002. check_disable_warning -Wno-format-zero-length

  6003. check_disable_warning -Wno-pointer-sign

  6004. check_disable_warning -Wno-unused-const-variable

  6005. 

  6006. # add some linker flags

  6007. check_ldflags -Wl,--warn-common

  6008. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6009. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  6010. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  6011. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6012. 

  6013. # add some strip flags

  6014. # -wN '..@*' is more selective than -x, but not available everywhere.

  6015. check_stripflags -wN \'..@*\' || check_stripflags -x

  6016. 

  6017. enabled neon_clobber_test &&

  6018.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6019.                   -Wl,--wrap,avcodec_decode_audio4      \

  6020.                   -Wl,--wrap,avcodec_decode_video2      \

  6021.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6022.                   -Wl,--wrap,avcodec_encode_audio2      \

  6023.                   -Wl,--wrap,avcodec_encode_video2      \

  6024.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6025.                   -Wl,--wrap,swr_convert                \

  6026.                   -Wl,--wrap,avresample_convert ||

  6027.     disable neon_clobber_test

  6028. 

  6029. enabled xmm_clobber_test &&

  6030.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6031.                   -Wl,--wrap,avcodec_decode_audio4      \

  6032.                   -Wl,--wrap,avcodec_decode_video2      \

  6033.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6034.                   -Wl,--wrap,avcodec_encode_audio2      \

  6035.                   -Wl,--wrap,avcodec_encode_video2      \

  6036.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6037.                   -Wl,--wrap,swr_convert                \

  6038.                   -Wl,--wrap,avresample_convert         \

  6039.                   -Wl,--wrap,sws_scale ||

  6040.     disable xmm_clobber_test

  6041. 

  6042. echo "X { local: *; };" > $TMPV

  6043. if test_ldflags -Wl,--version-script,$TMPV; then

  6044.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  6045. elif test_ldflags -Wl,-M,$TMPV; then

  6046.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  6047. fi

  6048. 

  6049. check_cc <<EOF && enable symver_asm_label

  6050. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6051. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6052. EOF

  6053.     check_cc <<EOF && enable symver_gnu_asm

  6054. __asm__(".symver ff_foo,av_foo@VERSION");

  6055. void ff_foo(void) {}

  6056. EOF

  6057. 

  6058. if [ -z "$optflags" ]; then

  6059.     if enabled small; then

  6060.         optflags=$cflags_size

  6061.     elif enabled optimizations; then

  6062.         optflags=$cflags_speed

  6063.     else

  6064.         optflags=$cflags_noopt

  6065.     fi

  6066. fi

  6067. 

  6068. check_optflags(){

  6069.     check_cflags "$@"

  6070.     enabled lto && check_ldflags "$@"

  6071. }

  6072. 

  6073. 

  6074. if enabled lto; then

  6075.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6076.     check_cflags  -flto

  6077.     check_ldflags -flto $cpuflags

  6078.     disable inline_asm_direct_symbol_refs

  6079. fi

  6080. 

  6081. check_optflags $optflags

  6082. check_optflags -fno-math-errno

  6083. check_optflags -fno-signed-zeros

  6084. 

  6085. enabled ftrapv && check_cflags -ftrapv

  6086. 

  6087. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6088. int x;

  6089. EOF

  6090. 

  6091. 

  6092. if enabled icc; then

  6093.     # Just warnings, no remarks

  6094.     check_cflags -w1

  6095.     # -wd: Disable following warnings

  6096.     # 144, 167, 556: -Wno-pointer-sign

  6097.     # 188: enumerated type mixed with another type

  6098.     # 1292: attribute "foo" ignored

  6099.     # 1419: external declaration in primary source file

  6100.     # 10006: ignoring unknown option -fno-signed-zeros

  6101.     # 10148: ignoring unknown option -Wno-parentheses

  6102.     # 10156: ignoring option '-W'; no argument required

  6103.     # 13200: No EMMS instruction before call to function

  6104.     # 13203: No EMMS instruction before return from function

  6105.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6106.     # 11030: Warning unknown option --as-needed

  6107.     # 10156: ignoring option '-export'; no argument required

  6108.     check_ldflags -wd10156,11030

  6109.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6110.     enable ebp_available

  6111.     # The test above does not test linking

  6112.     enabled lto && disable symver_asm_label

  6113.     if enabled x86_32; then

  6114.         icc_version=$($cc -dumpversion)

  6115.         test ${icc_version%%.*} -ge 11 &&

  6116.             check_cflags -falign-stack=maintain-16-byte ||

  6117.             disable aligned_stack

  6118.     fi

  6119. elif enabled ccc; then

  6120.     # disable some annoying warnings

  6121.     add_cflags -msg_disable bitnotint

  6122.     add_cflags -msg_disable mixfuncvoid

  6123.     add_cflags -msg_disable nonstandcast

  6124.     add_cflags -msg_disable unsupieee

  6125. elif enabled gcc; then

  6126.     case $gcc_basever in

  6127.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  6128.         4.*)                 check_optflags -fno-tree-vectorize ;;

  6129.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  6130.     esac

  6131.     check_cflags -Werror=format-security

  6132.     check_cflags -Werror=implicit-function-declaration

  6133.     check_cflags -Werror=missing-prototypes

  6134.     check_cflags -Werror=return-type

  6135.     check_cflags -Werror=vla

  6136.     check_cflags -Wformat

  6137.     check_cflags -fdiagnostics-color=auto

  6138.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6139. elif enabled llvm_gcc; then

  6140.     check_cflags -mllvm -stack-alignment=16

  6141. elif enabled clang; then

  6142.     check_cflags -mllvm -stack-alignment=16

  6143.     check_cflags -Qunused-arguments

  6144.     check_cflags -Werror=implicit-function-declaration

  6145.     check_cflags -Werror=missing-prototypes

  6146.     check_cflags -Werror=return-type

  6147. elif enabled cparser; then

  6148.     add_cflags -Wno-missing-variable-declarations

  6149.     add_cflags -Wno-empty-statement

  6150. elif enabled armcc; then

  6151.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6152.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6153.     # 2523: use of inline assembly is deprecated

  6154.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6155.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6156.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6157.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6158.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6159.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6160. elif enabled tms470; then

  6161.     add_cflags -pds=824 -pds=837

  6162.     disable inline_asm

  6163. elif enabled pathscale; then

  6164.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6165. elif enabled_any msvc icl; then

  6166.     enabled x86_32 && disable aligned_stack

  6167.     enabled_all x86_32 debug && add_cflags -Oy-

  6168.     enabled debug && add_ldflags -debug

  6169.     enable pragma_deprecated

  6170.     if enabled icl; then

  6171.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6172.         # (correctly) on icl 13.x.

  6173.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6174.             add_cflags -Qansi-alias

  6175.         # Some inline asm is not compilable in debug

  6176.         if enabled debug; then

  6177.             disable ebp_available

  6178.             disable ebx_available

  6179.         fi

  6180.     fi

  6181.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6182.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6183.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6184.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6185.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6186.     # MSVC 2013 and newer can handle it fine.

  6187.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6188.     # happens in config.h.

  6189.     if [ $_restrict != restrict ]; then

  6190.         check_cc <<EOF || add_cflags -FIstdlib.h

  6191. __declspec($_restrict) void* foo(int);

  6192. EOF

  6193.     fi

  6194.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6195. fi

  6196. 

  6197. for pfx in "" host_; do

  6198.     varname=${pfx%_}cc_type

  6199.     eval "type=\$$varname"

  6200.     if [ $type = "msvc" ]; then

  6201.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6202. static inline int foo(int a) { return a; }

  6203. EOF

  6204.     fi

  6205. done

  6206. 

  6207. case $as_type in

  6208.     clang)

  6209.         add_asflags -Qunused-arguments

  6210.     ;;

  6211. esac

  6212. 

  6213. case $ld_type in

  6214.     clang)

  6215.         check_ldflags -Qunused-arguments

  6216.     ;;

  6217. esac

  6218. 

  6219. case $target_os in

  6220.     osf1)

  6221.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6222.     ;;

  6223.     plan9)

  6224.         add_cppflags -Dmain=plan9_main

  6225.     ;;

  6226. esac

  6227. 

  6228. enable frame_thread_encoder

  6229. 

  6230. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6231. 

  6232. check_deps $CONFIG_LIST       \

  6233.            $CONFIG_EXTRA      \

  6234.            $HAVE_LIST         \

  6235.            $ALL_COMPONENTS    \

  6236. 

  6237. 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"

  6238. 

  6239. 

  6240. if test $target_os = "haiku"; then

  6241.     disable memalign

  6242.     disable posix_memalign

  6243. fi

  6244. 

  6245. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6246.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6247.     enable dxva2_lib

  6248. 

  6249. ! enabled_any memalign posix_memalign aligned_malloc &&

  6250.     enabled simd_align_16 && enable memalign_hack

  6251. 

  6252. # add_dep lib dep

  6253. # -> enable ${lib}_deps_${dep}

  6254. # -> add $dep to ${lib}_deps only once

  6255. add_dep() {

  6256.     lib=$1

  6257.     dep=$2

  6258.     enabled "${lib}_deps_${dep}" && return 0

  6259.     enable  "${lib}_deps_${dep}"

  6260.     prepend "${lib}_deps" $dep

  6261. }

  6262. 

  6263. # merge deps lib components

  6264. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6265. merge_deps() {

  6266.     lib=$1

  6267.     shift

  6268.     for comp in $*; do

  6269.         enabled $comp || continue

  6270.         eval "dep=\"\$${comp}_deps\""

  6271.         for d in $dep; do

  6272.             add_dep $lib $d

  6273.         done

  6274.     done

  6275. }

  6276. 

  6277. merge_deps libavfilter $FILTER_LIST

  6278. 

  6279. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6280. 

  6281. for thread in $THREADS_LIST; do

  6282.     if enabled $thread; then

  6283.         test -n "$thread_type" &&

  6284.             die "ERROR: Only one thread type must be selected." ||

  6285.             thread_type="$thread"

  6286.     fi

  6287. done

  6288. 

  6289. enabled zlib && add_cppflags -DZLIB_CONST

  6290. 

  6291. # conditional library dependencies, in linking order

  6292. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6293. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6294. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6295. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6296. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6297. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6298. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6299. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6300. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6301. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6302. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6303. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6304. enabled pan_filter          && prepend avfilter_deps "swresample"

  6305. enabled pp_filter           && prepend avfilter_deps "postproc"

  6306. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6307. enabled resample_filter && prepend avfilter_deps "avresample"

  6308. enabled sab_filter          && prepend avfilter_deps "swscale"

  6309. enabled scale_filter    && prepend avfilter_deps "swscale"

  6310. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6311. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6312. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6313. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6314. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6315. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6316. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6317. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6318. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6319. 

  6320. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6321. 

  6322. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6323. 

  6324. expand_deps(){

  6325.     lib_deps=${1}_deps

  6326.     eval "deps=\$$lib_deps"

  6327.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6328.     unique $lib_deps

  6329. }

  6330. 

  6331. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6332. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6333. 

  6334. map 'expand_deps $v' $LIBRARY_LIST

  6335. 

  6336. echo "install prefix            $prefix"

  6337. echo "source path               $source_path"

  6338. echo "C compiler                $cc"

  6339. echo "C library                 $libc_type"

  6340. if test "$host_cc" != "$cc"; then

  6341.     echo "host C compiler           $host_cc"

  6342.     echo "host C library            $host_libc_type"

  6343. fi

  6344. echo "ARCH                      $arch ($cpu)"

  6345. if test "$build_suffix" != ""; then

  6346.     echo "build suffix              $build_suffix"

  6347. fi

  6348. if test "$progs_suffix" != ""; then

  6349.     echo "progs suffix              $progs_suffix"

  6350. fi

  6351. if test "$extra_version" != ""; then

  6352.     echo "version string suffix     $extra_version"

  6353. fi

  6354. echo "big-endian                ${bigendian-no}"

  6355. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6356. if enabled x86; then

  6357.     echo "${yasmexe}                      ${yasm-no}"

  6358.     echo "MMX enabled               ${mmx-no}"

  6359.     echo "MMXEXT enabled            ${mmxext-no}"

  6360.     echo "3DNow! enabled            ${amd3dnow-no}"

  6361.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6362.     echo "SSE enabled               ${sse-no}"

  6363.     echo "SSSE3 enabled             ${ssse3-no}"

  6364.     echo "AESNI enabled             ${aesni-no}"

  6365.     echo "AVX enabled               ${avx-no}"

  6366.     echo "XOP enabled               ${xop-no}"

  6367.     echo "FMA3 enabled              ${fma3-no}"

  6368.     echo "FMA4 enabled              ${fma4-no}"

  6369.     echo "i686 features enabled     ${i686-no}"

  6370.     echo "CMOV is fast              ${fast_cmov-no}"

  6371.     echo "EBX available             ${ebx_available-no}"

  6372.     echo "EBP available             ${ebp_available-no}"

  6373. fi

  6374. if enabled aarch64; then

  6375.     echo "NEON enabled              ${neon-no}"

  6376.     echo "VFP enabled               ${vfp-no}"

  6377. fi

  6378. if enabled arm; then

  6379.     echo "ARMv5TE enabled           ${armv5te-no}"

  6380.     echo "ARMv6 enabled             ${armv6-no}"

  6381.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6382.     echo "VFP enabled               ${vfp-no}"

  6383.     echo "NEON enabled              ${neon-no}"

  6384.     echo "THUMB enabled             ${thumb-no}"

  6385. fi

  6386. if enabled mips; then

  6387.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6388.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6389.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6390.     echo "MIPS MSA enabled          ${msa-no}"

  6391.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6392. fi

  6393. if enabled ppc; then

  6394.     echo "AltiVec enabled           ${altivec-no}"

  6395.     echo "VSX enabled               ${vsx-no}"

  6396.     echo "POWER8 enabled            ${power8-no}"

  6397.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6398.     echo "dcbzl available           ${dcbzl-no}"

  6399. fi

  6400. echo "debug symbols             ${debug-no}"

  6401. echo "strip symbols             ${stripping-no}"

  6402. echo "optimize for size         ${small-no}"

  6403. echo "optimizations             ${optimizations-no}"

  6404. echo "static                    ${static-no}"

  6405. echo "shared                    ${shared-no}"

  6406. echo "postprocessing support    ${postproc-no}"

  6407. echo "new filter support        ${avfilter-no}"

  6408. echo "network support           ${network-no}"

  6409. echo "threading support         ${thread_type-no}"

  6410. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6411. echo "SDL support               ${sdl-no}"

  6412. echo "opencl enabled            ${opencl-no}"

  6413. echo "JNI support               ${jni-no}"

  6414. echo "texi2html enabled         ${texi2html-no}"

  6415. echo "perl enabled              ${perl-no}"

  6416. echo "pod2man enabled           ${pod2man-no}"

  6417. echo "makeinfo enabled          ${makeinfo-no}"

  6418. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6419. test -n "$random_seed" &&

  6420.     echo "random seed               ${random_seed}"

  6421. echo

  6422. 

  6423. echo "Enabled programs:"

  6424. print_enabled '' $PROGRAM_LIST | print_in_columns

  6425. echo

  6426. 

  6427. echo "External libraries:"

  6428. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6429. echo

  6430. 

  6431. echo "Libraries:"

  6432. print_enabled '' $LIBRARY_LIST | print_in_columns

  6433. echo

  6434. 

  6435. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6436.     echo "Enabled ${type}s:"

  6437.     eval list=\$$(toupper $type)_LIST

  6438.     print_enabled '_*' $list | print_in_columns

  6439.     echo

  6440. done

  6441. 

  6442. echo "Enabled Hardware-accelerated codecs:"

  6443. print_enabled '' $HW_CODECS_LIST | print_in_columns

  6444. echo

  6445. 

  6446. license="LGPL version 2.1 or later"

  6447. if enabled nonfree; then

  6448.     license="nonfree and unredistributable"

  6449. elif enabled gplv3; then

  6450.     license="GPL version 3 or later"

  6451. elif enabled lgplv3; then

  6452.     license="LGPL version 3 or later"

  6453. elif enabled gpl; then

  6454.     license="GPL version 2 or later"

  6455. fi

  6456. 

  6457. echo "License: $license"

  6458. 

  6459. echo "Creating config.mak, config.h, and doc/config.texi..."

  6460. 

  6461. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6462. 

  6463. enabled stripping || strip="echo skipping strip"

  6464. 

  6465. config_files="$TMPH config.mak doc/config.texi"

  6466. 

  6467. cat > config.mak <<EOF

  6468. # Automatically generated by configure - do not modify!

  6469. ifndef FFMPEG_CONFIG_MAK

  6470. FFMPEG_CONFIG_MAK=1

  6471. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6472. prefix=$prefix

  6473. LIBDIR=\$(DESTDIR)$libdir

  6474. SHLIBDIR=\$(DESTDIR)$shlibdir

  6475. INCDIR=\$(DESTDIR)$incdir

  6476. BINDIR=\$(DESTDIR)$bindir

  6477. DATADIR=\$(DESTDIR)$datadir

  6478. DOCDIR=\$(DESTDIR)$docdir

  6479. MANDIR=\$(DESTDIR)$mandir

  6480. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6481. INSTALL_NAME_DIR=$install_name_dir

  6482. SRC_PATH=$source_path

  6483. SRC_LINK=$source_link

  6484. ifndef MAIN_MAKEFILE

  6485. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6486. endif

  6487. CC_IDENT=$cc_ident

  6488. ARCH=$arch

  6489. INTRINSICS=$intrinsics

  6490. CC=$cc

  6491. CXX=$cxx

  6492. AS=$as

  6493. OBJCC=$objcc

  6494. LD=$ld

  6495. DEPCC=$dep_cc

  6496. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6497. DEPAS=$as

  6498. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6499. YASM=$yasmexe

  6500. DEPYASM=$yasmexe

  6501. AR=$ar

  6502. ARFLAGS=$arflags

  6503. AR_O=$ar_o

  6504. RANLIB=$ranlib

  6505. STRIP=$strip

  6506. CP=cp -p

  6507. LN_S=$ln_s

  6508. CPPFLAGS=$CPPFLAGS

  6509. CFLAGS=$CFLAGS

  6510. CXXFLAGS=$CXXFLAGS

  6511. OBJCFLAGS=$OBJCFLAGS

  6512. ASFLAGS=$ASFLAGS

  6513. AS_C=$AS_C

  6514. AS_O=$AS_O

  6515. OBJCC_C=$OBJCC_C

  6516. OBJCC_E=$OBJCC_E

  6517. OBJCC_O=$OBJCC_O

  6518. CC_C=$CC_C

  6519. CC_E=$CC_E

  6520. CC_O=$CC_O

  6521. CXX_C=$CXX_C

  6522. CXX_O=$CXX_O

  6523. LD_O=$LD_O

  6524. LD_LIB=$LD_LIB

  6525. LD_PATH=$LD_PATH

  6526. DLLTOOL=$dlltool

  6527. WINDRES=$windres

  6528. DEPWINDRES=$dep_cc

  6529. DOXYGEN=$doxygen

  6530. LDFLAGS=$LDFLAGS

  6531. LDEXEFLAGS=$LDEXEFLAGS

  6532. LDLIBFLAGS=$LDLIBFLAGS

  6533. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6534. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6535. YASMFLAGS=$YASMFLAGS

  6536. BUILDSUF=$build_suffix

  6537. PROGSSUF=$progs_suffix

  6538. FULLNAME=$FULLNAME

  6539. LIBPREF=$LIBPREF

  6540. LIBSUF=$LIBSUF

  6541. LIBNAME=$LIBNAME

  6542. SLIBPREF=$SLIBPREF

  6543. SLIBSUF=$SLIBSUF

  6544. EXESUF=$EXESUF

  6545. EXTRA_VERSION=$extra_version

  6546. CCDEP=$CCDEP

  6547. CXXDEP=$CXXDEP

  6548. CCDEP_FLAGS=$CCDEP_FLAGS

  6549. ASDEP=$ASDEP

  6550. ASDEP_FLAGS=$ASDEP_FLAGS

  6551. CC_DEPFLAGS=$CC_DEPFLAGS

  6552. AS_DEPFLAGS=$AS_DEPFLAGS

  6553. HOSTCC=$host_cc

  6554. HOSTLD=$host_ld

  6555. HOSTCFLAGS=$host_cflags

  6556. HOSTCPPFLAGS=$host_cppflags

  6557. HOSTEXESUF=$HOSTEXESUF

  6558. HOSTLDFLAGS=$host_ldflags

  6559. HOSTLIBS=$host_libs

  6560. DEPHOSTCC=$host_cc

  6561. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6562. HOSTCCDEP=$HOSTCCDEP

  6563. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6564. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6565. HOSTCC_C=$HOSTCC_C

  6566. HOSTCC_O=$HOSTCC_O

  6567. HOSTLD_O=$HOSTLD_O

  6568. TARGET_EXEC=$target_exec $target_exec_args

  6569. TARGET_PATH=$target_path

  6570. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6571. CFLAGS-ffplay=$sdl_cflags

  6572. ZLIB=$($ldflags_filter -lz)

  6573. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6574. EXTRALIBS=$extralibs

  6575. COMPAT_OBJS=$compat_objs

  6576. EXEOBJS=$exeobjs

  6577. INSTALL=$install

  6578. LIBTARGET=${LIBTARGET}

  6579. SLIBNAME=${SLIBNAME}

  6580. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6581. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6582. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6583. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6584. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6585. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6586. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6587. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6588. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6589. NOREDZONE_FLAGS=$noredzone_flags

  6590. EOF

  6591. 

  6592. get_version(){

  6593.     lcname=lib${1}

  6594.     name=$(toupper $lcname)

  6595.     file=$source_path/$lcname/version.h

  6596.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6597.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6598.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6599.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6600.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6601.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6602. }

  6603. 

  6604. map 'get_version $v' $LIBRARY_LIST

  6605. 

  6606. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6607. 

  6608. print_program_libs(){

  6609.     eval "program_libs=\$${1}_libs"

  6610.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6611. }

  6612. 

  6613. map 'print_program_libs $v' $PROGRAM_LIST

  6614. 

  6615. cat > $TMPH <<EOF

  6616. /* Automatically generated by configure - do not modify! */

  6617. #ifndef FFMPEG_CONFIG_H

  6618. #define FFMPEG_CONFIG_H

  6619. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6620. #define FFMPEG_LICENSE "$(c_escape $license)"

  6621. #define CONFIG_THIS_YEAR 2016

  6622. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6623. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6624. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6625. #define av_restrict $_restrict

  6626. #define EXTERN_PREFIX "${extern_prefix}"

  6627. #define EXTERN_ASM ${extern_prefix}

  6628. #define BUILDSUF "$build_suffix"

  6629. #define SLIBSUF "$SLIBSUF"

  6630. #define HAVE_MMX2 HAVE_MMXEXT

  6631. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6632. EOF

  6633. 

  6634. test -n "$assert_level" &&

  6635.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6636. 

  6637. test -n "$malloc_prefix" &&

  6638.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6639. 

  6640. if enabled yasm; then

  6641.     append config_files $TMPASM

  6642.     printf '' >$TMPASM

  6643. fi

  6644. 

  6645. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6646. 

  6647. 

  6648. mkdir -p doc

  6649. mkdir -p tests

  6650. mkdir -p tests/api

  6651. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6652. 

  6653. print_config ARCH_   "$config_files" $ARCH_LIST

  6654. print_config HAVE_   "$config_files" $HAVE_LIST

  6655. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6656.                                      $CONFIG_EXTRA      \

  6657.                                      $ALL_COMPONENTS    \

  6658. 

  6659. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6660. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6661. 

  6662. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6663. cp_if_changed $TMPH config.h

  6664. touch .config

  6665. 

  6666. enabled yasm && cp_if_changed $TMPASM config.asm

  6667. 

  6668. cat > $TMPH <<EOF

  6669. /* Generated by ffconf */

  6670. #ifndef AVUTIL_AVCONFIG_H

  6671. #define AVUTIL_AVCONFIG_H

  6672. EOF

  6673. 

  6674. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6675. 

  6676. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6677. 

  6678. cp_if_changed $TMPH libavutil/avconfig.h

  6679. 

  6680. if test -n "$WARNINGS"; then

  6681.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6682.     enabled fatal_warnings && exit 1

  6683. fi

  6684. 

  6685. # generate the lists of enabled components

  6686. print_enabled_components(){

  6687.     file=$1

  6688.     struct_name=$2

  6689.     name=$3

  6690.     shift 3

  6691.     echo "static const $struct_name *$name[] = {" > $TMPH

  6692.     for c in $*; do

  6693.         enabled $c && printf "    &ff_%s,\n" $c >> $TMPH

  6694.     done

  6695.     echo "    NULL };" >> $TMPH

  6696.     cp_if_changed $TMPH $file

  6697. }

  6698. 

  6699. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  6700. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  6701. 

  6702. # build pkg-config files

  6703. 

  6704. lib_version(){

  6705.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6706. }

  6707. 

  6708. pkgconfig_generate(){

  6709.     name=$1

  6710.     shortname=${name#lib}${build_suffix}

  6711.     comment=$2

  6712.     version=$3

  6713.     libs=$4

  6714.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6715.     requires=${requires%, }

  6716.     enabled ${name#lib} || return 0

  6717.     mkdir -p $name

  6718.     cat <<EOF > $name/$name${build_suffix}.pc

  6719. prefix=$prefix

  6720. exec_prefix=\${prefix}

  6721. libdir=$libdir

  6722. includedir=$incdir

  6723. 

  6724. Name: $name

  6725. Description: $comment

  6726. Version: $version

  6727. Requires: $(enabled shared || echo $requires)

  6728. Requires.private: $(enabled shared && echo $requires)

  6729. Conflicts:

  6730. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6731. Libs.private: $(enabled shared && echo $libs)

  6732. Cflags: -I\${includedir}

  6733. EOF

  6734. 

  6735. mkdir -p doc/examples/pc-uninstalled

  6736. includedir=${source_path}

  6737. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6738.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6739. prefix=

  6740. exec_prefix=

  6741. libdir=\${pcfiledir}/../../../$name

  6742. includedir=${includedir}

  6743. 

  6744. Name: $name

  6745. Description: $comment

  6746. Version: $version

  6747. Requires: $requires

  6748. Conflicts:

  6749. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6750. Cflags: -I\${includedir}

  6751. EOF

  6752. }

  6753. 

  6754. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6755. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6756. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6757. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6758. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6759. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6760. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6761. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6762. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"