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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

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

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

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

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

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

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

  216.                            if openssl is not used [no]

  217.   --disable-iconv          disable iconv [autodetect]

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

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

  220.   --enable-libass          enable libass subtitles rendering,

  221.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  228.                            and libraw1394 [no]

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

  230.                            needed for loudnorm filter [no]

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

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

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

  234.   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [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-libv4l2         enable libv4l2/v4l-utils [no]

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

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

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

  270.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  286.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  291.   --enable-opencl          enable OpenCL code

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

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

  294.                            if gnutls is not used [no]

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

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

  297.   --disable-sdl            disable sdl [autodetect]

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

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

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

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

  302.   --disable-xlib           disable xlib [autodetect]

  303.   --disable-zlib           disable zlib [autodetect]

  304. 

  305. Toolchain options:

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

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

  308.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  357. 

  358. Advanced options (experts only):

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

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

  361.   --disable-symver         disable symbol versioning

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

  363.   --disable-safe-bitstream-reader

  364.                            disable buffer boundary checking in bitreaders

  365.                            (faster, but may crash)

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

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

  368. 

  369. Optimization options (experts only):

  370.   --disable-asm            disable all assembly optimizations

  371.   --disable-altivec        disable AltiVec optimizations

  372.   --disable-vsx            disable VSX optimizations

  373.   --disable-power8         disable POWER8 optimizations

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

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

  376.   --disable-mmx            disable MMX optimizations

  377.   --disable-mmxext         disable MMXEXT optimizations

  378.   --disable-sse            disable SSE optimizations

  379.   --disable-sse2           disable SSE2 optimizations

  380.   --disable-sse3           disable SSE3 optimizations

  381.   --disable-ssse3          disable SSSE3 optimizations

  382.   --disable-sse4           disable SSE4 optimizations

  383.   --disable-sse42          disable SSE4.2 optimizations

  384.   --disable-avx            disable AVX optimizations

  385.   --disable-xop            disable XOP optimizations

  386.   --disable-fma3           disable FMA3 optimizations

  387.   --disable-fma4           disable FMA4 optimizations

  388.   --disable-avx2           disable AVX2 optimizations

  389.   --disable-aesni          disable AESNI optimizations

  390.   --disable-armv5te        disable armv5te optimizations

  391.   --disable-armv6          disable armv6 optimizations

  392.   --disable-armv6t2        disable armv6t2 optimizations

  393.   --disable-vfp            disable VFP optimizations

  394.   --disable-neon           disable NEON optimizations

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

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

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

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

  399.   --disable-msa            disable MSA optimizations

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

  401.   --disable-mmi            disable Loongson SIMD optimizations

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

  403. 

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

  405.   --disable-debug          disable debugging symbols

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

  407.   --disable-optimizations  disable compiler optimizations

  408.   --enable-extra-warnings  enable more compiler warnings

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

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

  411.                            2 causes a slowdown at runtime.

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

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

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

  415.                            Cannot be combined with --target-exec

  416.   --enable-ftrapv          Trap arithmetic overflows

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

  418.                            \$FATE_SAMPLES at make invocation time.

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

  420.                            used only for debugging purposes)

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

  422.                            should be used only for debugging purposes)

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

  424.   --disable-random

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

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

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

  428.                            (group) and PROB the probability associated with

  429.                            NAME (default 0.5).

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

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

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

  433. 

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

  435. EOF

  436.   exit 0

  437. }

  438. 

  439. quotes='""'

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

  441.     ncolors=$(tput colors)

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

  443.         bold_color=$(tput bold)

  444.         warn_color=$(tput setaf 3)

  445.         error_color=$(tput setaf 1)

  446.         reset_color=$(tput sgr0)

  447.     fi

  448.     # 72 used instead of 80 since that's the default of pr

  449.     ncols=$(tput cols)

  450. fi

  451. : ${ncols:=72}

  452. 

  453. log(){

  454.     echo "$@" >> $logfile

  455. }

  456. 

  457. log_file(){

  458.     log BEGIN $1

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

  460.     log END $1

  461. }

  462. 

  463. warn(){

  464.     log "WARNING: $*"

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

  466. }

  467. 

  468. die(){

  469.     log "$@"

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

  471.     cat <<EOF

  472. 

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

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

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

  476. EOF

  477.     if disabled logging; then

  478.         cat <<EOF

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

  480. include the log this produces with your report.

  481. EOF

  482.     else

  483.         cat <<EOF

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

  485. solve the problem.

  486. EOF

  487.     fi

  488.     exit 1

  489. }

  490. 

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

  492. toupper(){

  493.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  494. }

  495. 

  496. tolower(){

  497.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  498. }

  499. 

  500. c_escape(){

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

  502. }

  503. 

  504. sh_quote(){

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

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

  507.     echo "$v"

  508. }

  509. 

  510. cleanws(){

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

  512. }

  513. 

  514. filter(){

  515.     pat=$1

  516.     shift

  517.     for v; do

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

  519.     done

  520. }

  521. 

  522. filter_out(){

  523.     pat=$1

  524.     shift

  525.     for v; do

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

  527.     done

  528. }

  529. 

  530. map(){

  531.     m=$1

  532.     shift

  533.     for v; do eval $m; done

  534. }

  535. 

  536. add_suffix(){

  537.     suffix=$1

  538.     shift

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

  540. }

  541. 

  542. set_all(){

  543.     value=$1

  544.     shift

  545.     for var in $*; do

  546.         eval $var=$value

  547.     done

  548. }

  549. 

  550. set_weak(){

  551.     value=$1

  552.     shift

  553.     for var; do

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

  555.     done

  556. }

  557. 

  558. sanitize_var_name(){

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

  560. }

  561. 

  562. set_safe(){

  563.     var=$1

  564.     shift

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

  566. }

  567. 

  568. get_safe(){

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

  570. }

  571. 

  572. pushvar(){

  573.     for pvar in $*; do

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

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

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

  577.     done

  578. }

  579. 

  580. popvar(){

  581.     for pvar in $*; do

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

  583.         test $level = 0 && continue

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

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

  586.         eval ${pvar}_level=$level

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

  588.     done

  589. }

  590. 

  591. enable(){

  592.     set_all yes $*

  593. }

  594. 

  595. disable(){

  596.     set_all no $*

  597. }

  598. 

  599. enable_weak(){

  600.     set_weak yes $*

  601. }

  602. 

  603. disable_weak(){

  604.     set_weak no $*

  605. }

  606. 

  607. enable_safe(){

  608.     for var; do

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

  610.     done

  611. }

  612. 

  613. disable_safe(){

  614.     for var; do

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

  616.     done

  617. }

  618. 

  619. do_enable_deep(){

  620.     for var; do

  621.         enabled $var && continue

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

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

  624.         pushvar var sgs

  625.         enable_deep $sel

  626.         popvar sgs

  627.         enable_deep_weak $sgs

  628.         popvar var

  629.     done

  630. }

  631. 

  632. enable_deep(){

  633.     do_enable_deep $*

  634.     enable $*

  635. }

  636. 

  637. enable_deep_weak(){

  638.     for var; do

  639.         disabled $var && continue

  640.         pushvar var

  641.         do_enable_deep $var

  642.         popvar var

  643.         enable_weak $var

  644.     done

  645. }

  646. 

  647. enabled(){

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

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

  650. }

  651. 

  652. disabled(){

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

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

  655. }

  656. 

  657. enabled_all(){

  658.     for opt; do

  659.         enabled $opt || return 1

  660.     done

  661. }

  662. 

  663. disabled_all(){

  664.     for opt; do

  665.         disabled $opt || return 1

  666.     done

  667. }

  668. 

  669. enabled_any(){

  670.     for opt; do

  671.         enabled $opt && return 0

  672.     done

  673. }

  674. 

  675. disabled_any(){

  676.     for opt; do

  677.         disabled $opt && return 0

  678.     done

  679.     return 1

  680. }

  681. 

  682. set_default(){

  683.     for opt; do

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

  685.     done

  686. }

  687. 

  688. is_in(){

  689.     value=$1

  690.     shift

  691.     for var in $*; do

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

  693.     done

  694.     return 1

  695. }

  696. 

  697. do_check_deps(){

  698.     for cfg; do

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

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

  701.         disabled ${cfg}_checking && continue

  702.         enable ${cfg}_checking

  703.         append allopts $cfg

  704. 

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

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

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

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

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

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

  711. 

  712.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  714.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  715. 

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

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

  718.         enabled_all  $dep_all || disable $cfg

  719.         enabled_any  $dep_any || disable $cfg

  720.         disabled_any $dep_sel && disable $cfg

  721. 

  722.         if enabled $cfg; then

  723.             enable_deep $dep_sel

  724.             enable_deep_weak $dep_sgs

  725.         fi

  726. 

  727.         disable ${cfg}_checking

  728.     done

  729. }

  730. 

  731. check_deps(){

  732.     unset allopts

  733. 

  734.     do_check_deps "$@"

  735. 

  736.     for cfg in $allopts; do

  737.         enabled $cfg || continue

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

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

  740.     done

  741. }

  742. 

  743. print_config(){

  744.     pfx=$1

  745.     files=$2

  746.     shift 2

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

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

  749.         {

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

  751.             v = \$2;

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

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

  754.             for (f in files) {

  755.                 file = files[f];

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

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

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

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

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

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

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

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

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

  765.                     yesno = \$2;

  766.                     c2 = tolower(c);

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

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

  769.                 }

  770.             }

  771.         }"

  772. }

  773. 

  774. print_enabled(){

  775.     suf=$1

  776.     shift

  777.     for v; do

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

  779.     done

  780. }

  781. 

  782. append(){

  783.     var=$1

  784.     shift

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

  786. }

  787. 

  788. prepend(){

  789.     var=$1

  790.     shift

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

  792. }

  793. 

  794. unique(){

  795.     var=$1

  796.     uniq_list=""

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

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

  799.     done

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

  801. }

  802. 

  803. add_cppflags(){

  804.     append CPPFLAGS "$@"

  805. }

  806. 

  807. add_cflags(){

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

  809. }

  810. 

  811. add_cxxflags(){

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

  813. }

  814. 

  815. add_asflags(){

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

  817. }

  818. 

  819. add_objcflags(){

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

  821. }

  822. 

  823. add_ldflags(){

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

  825. }

  826. 

  827. add_ldexeflags(){

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

  829. }

  830. 

  831. add_ldlibflags(){

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

  833. }

  834. 

  835. add_stripflags(){

  836.     append ASMSTRIPFLAGS "$@"

  837. }

  838. 

  839. add_extralibs(){

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

  841. }

  842. 

  843. add_host_cppflags(){

  844.     append host_cppflags "$@"

  845. }

  846. 

  847. add_host_cflags(){

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

  849. }

  850. 

  851. add_host_ldflags(){

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

  853. }

  854. 

  855. add_compat(){

  856.     append compat_objs $1

  857.     shift

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

  859. }

  860. 

  861. check_cmd(){

  862.     log "$@"

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

  864. }

  865. 

  866. check_stat(){

  867.     log check_stat "$@"

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

  869. }

  870. 

  871. cc_o(){

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

  873. }

  874. 

  875. cc_e(){

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

  877. }

  878. 

  879. check_cc(){

  880.     log check_cc "$@"

  881.     cat > $TMPC

  882.     log_file $TMPC

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

  884. }

  885. 

  886. check_cxx(){

  887.     log check_cxx "$@"

  888.     cat > $TMPCPP

  889.     log_file $TMPCPP

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

  891. }

  892. 

  893. check_objcc(){

  894.     log check_objcc "$@"

  895.     cat > $TMPM

  896.     log_file $TMPM

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

  898. }

  899. 

  900. check_cpp(){

  901.     log check_cpp "$@"

  902.     cat > $TMPC

  903.     log_file $TMPC

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

  905. }

  906. 

  907. as_o(){

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

  909. }

  910. 

  911. check_as(){

  912.     log check_as "$@"

  913.     cat > $TMPS

  914.     log_file $TMPS

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

  916. }

  917. 

  918. check_inline_asm(){

  919.     log check_inline_asm "$@"

  920.     name="$1"

  921.     code="$2"

  922.     shift 2

  923.     disable $name

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

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

  926. EOF

  927. }

  928. 

  929. check_inline_asm_flags(){

  930.     log check_inline_asm_flags "$@"

  931.     name="$1"

  932.     code="$2"

  933.     flags=''

  934.     shift 2

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

  936.       append flags $1

  937.       shift

  938.     done;

  939.     disable $name

  940.     cat > $TMPC <<EOF

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

  942. EOF

  943.     log_file $TMPC

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

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

  946. }

  947. 

  948. check_insn(){

  949.     log check_insn "$@"

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

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

  952. }

  953. 

  954. check_yasm(){

  955.     log check_yasm "$@"

  956.     echo "$1" > $TMPS

  957.     log_file $TMPS

  958.     shift 1

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

  960. }

  961. 

  962. ld_o(){

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

  964. }

  965. 

  966. check_ld(){

  967.     log check_ld "$@"

  968.     type=$1

  969.     shift 1

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

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

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

  973.     flags=$($ldflags_filter $flags)

  974.     libs=$($ldflags_filter $libs)

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

  976. }

  977. 

  978. print_include(){

  979.     hdr=$1

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

  981.         echo "#include $hdr"    ||

  982.         echo "#include <$hdr>"

  983. }

  984. 

  985. check_code(){

  986.     log check_code "$@"

  987.     check=$1

  988.     headers=$2

  989.     code=$3

  990.     shift 3

  991.     {

  992.         for hdr in $headers; do

  993.             print_include $hdr

  994.         done

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

  996.     } | check_$check "$@"

  997. }

  998. 

  999. check_cppflags(){

  1000.     log check_cppflags "$@"

  1001.     check_cc "$@" <<EOF && append CPPFLAGS "$@"

  1002. int x;

  1003. EOF

  1004. }

  1005. 

  1006. test_cflags(){

  1007.     log test_cflags "$@"

  1008.     set -- $($cflags_filter "$@")

  1009.     check_cc "$@" <<EOF

  1010. int x;

  1011. EOF

  1012. }

  1013. 

  1014. check_cflags(){

  1015.     log check_cflags "$@"

  1016.     test_cflags "$@" && add_cflags "$@"

  1017. }

  1018. 

  1019. check_cxxflags(){

  1020.     log check_cxxflags "$@"

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

  1022.     check_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1023. int x;

  1024. EOF

  1025. }

  1026. 

  1027. test_objcflags(){

  1028.     log test_cflags "$@"

  1029.     set -- $($cflags_filter "$@")

  1030.     check_objcc "$@" <<EOF

  1031. int x;

  1032. EOF

  1033. }

  1034. 

  1035. check_objcflags(){

  1036.     log check_cflags "$@"

  1037.     test_objcflags "$@" && add_objcflags "$@"

  1038. }

  1039. 

  1040. test_ldflags(){

  1041.     log test_ldflags "$@"

  1042.     check_ld "cc" "$@" <<EOF

  1043. int main(void){ return 0; }

  1044. EOF

  1045. }

  1046. 

  1047. check_ldflags(){

  1048.     log check_ldflags "$@"

  1049.     test_ldflags "$@" && add_ldflags "$@"

  1050. }

  1051. 

  1052. test_stripflags(){

  1053.     log test_stripflags "$@"

  1054.     # call check_cc to get a fresh TMPO

  1055.     check_cc <<EOF

  1056. int main(void) { return 0; }

  1057. EOF

  1058.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1059. }

  1060. 

  1061. check_stripflags(){

  1062.     log check_stripflags "$@"

  1063.     test_stripflags "$@" && add_stripflags "$@"

  1064. }

  1065. 

  1066. check_header(){

  1067.     log check_header "$@"

  1068.     header=$1

  1069.     shift

  1070.     disable_safe $header

  1071.     check_cpp "$@" <<EOF && enable_safe $header

  1072. #include <$header>

  1073. int x;

  1074. EOF

  1075. }

  1076. 

  1077. check_header_objcc(){

  1078.     log check_header_objcc "$@"

  1079.     rm -f -- "$TMPO"

  1080.     header=$1

  1081.     shift

  1082.     disable_safe $header

  1083.     {

  1084.        echo "#include <$header>"

  1085.        echo "int main(void) { return 0; }"

  1086.     } | check_objcc && check_stat "$TMPO" && enable_safe $headers

  1087. }

  1088. 

  1089. check_func(){

  1090.     log check_func "$@"

  1091.     func=$1

  1092.     shift

  1093.     disable $func

  1094.     check_ld "cc" "$@" <<EOF && enable $func

  1095. extern int $func();

  1096. int main(void){ $func(); }

  1097. EOF

  1098. }

  1099. 

  1100. check_complexfunc(){

  1101.     log check_complexfunc "$@"

  1102.     func=$1

  1103.     narg=$2

  1104.     shift 2

  1105.     test $narg = 2 && args="f, g" || args="f * I"

  1106.     disable $func

  1107.     check_ld "cc" "$@" <<EOF && enable $func

  1108. #include <complex.h>

  1109. #include <math.h>

  1110. float foo(complex float f, complex float g) { return $func($args); }

  1111. int main(void){ return (int) foo; }

  1112. EOF

  1113. }

  1114. 

  1115. check_mathfunc(){

  1116.     log check_mathfunc "$@"

  1117.     func=$1

  1118.     narg=$2

  1119.     shift 2

  1120.     test $narg = 2 && args="f, g" || args="f"

  1121.     disable $func

  1122.     check_ld "cc" "$@" <<EOF && enable $func

  1123. #include <math.h>

  1124. float foo(float f, float g) { return $func($args); }

  1125. int main(void){ return (int) foo; }

  1126. EOF

  1127. }

  1128. 

  1129. check_func_headers(){

  1130.     log check_func_headers "$@"

  1131.     headers=$1

  1132.     funcs=$2

  1133.     shift 2

  1134.     {

  1135.         for hdr in $headers; do

  1136.             print_include $hdr

  1137.         done

  1138.         for func in $funcs; do

  1139.             echo "long check_$func(void) { return (long) $func; }"

  1140.         done

  1141.         echo "int main(void) { return 0; }"

  1142.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1143. }

  1144. 

  1145. check_class_headers_cpp(){

  1146.     log check_class_headers_cpp "$@"

  1147.     headers=$1

  1148.     classes=$2

  1149.     shift 2

  1150.     {

  1151.         for hdr in $headers; do

  1152.             echo "#include <$hdr>"

  1153.         done

  1154.         echo "int main(void) { "

  1155.         i=1

  1156.         for class in $classes; do

  1157.             echo "$class obj$i;"

  1158.             i=$(expr $i + 1)

  1159.         done

  1160.         echo "return 0; }"

  1161.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1162. }

  1163. 

  1164. check_cpp_condition(){

  1165.     log check_cpp_condition "$@"

  1166.     header=$1

  1167.     condition=$2

  1168.     shift 2

  1169.     check_cpp "$@" <<EOF

  1170. #include <$header>

  1171. #if !($condition)

  1172. #error "unsatisfied condition: $condition"

  1173. #endif

  1174. EOF

  1175. }

  1176. 

  1177. check_lib(){

  1178.     log check_lib "$@"

  1179.     header="$1"

  1180.     func="$2"

  1181.     shift 2

  1182.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1183. }

  1184. 

  1185. check_lib2(){

  1186.     log check_lib2 "$@"

  1187.     headers="$1"

  1188.     funcs="$2"

  1189.     shift 2

  1190.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1191. }

  1192. 

  1193. check_lib_cpp(){

  1194.     log check_lib_cpp "$@"

  1195.     headers="$1"

  1196.     classes="$2"

  1197.     shift 2

  1198.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1199. }

  1200. 

  1201. check_pkg_config(){

  1202.     log check_pkg_config "$@"

  1203.     pkgandversion="$1"

  1204.     pkg="${1%% *}"

  1205.     headers="$2"

  1206.     funcs="$3"

  1207.     shift 3

  1208.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1209.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1210.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1211.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1212.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1213.         set_safe "${pkg}_libs"   $pkg_libs

  1214. }

  1215. 

  1216. check_exec(){

  1217.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1218. }

  1219. 

  1220. check_exec_crash(){

  1221.     code=$(cat)

  1222. 

  1223.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1224.     # are safe but may not be available everywhere.  Thus we use

  1225.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1226.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1227.     # is not defined by standard C so it is used conditionally.

  1228. 

  1229.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1230. #include <signal.h>

  1231. static void sighandler(int sig){

  1232.     raise(SIGTERM);

  1233. }

  1234. int foo(void){

  1235.     $code

  1236. }

  1237. int (*func_ptr)(void) = foo;

  1238. int main(void){

  1239.     signal(SIGILL, sighandler);

  1240.     signal(SIGFPE, sighandler);

  1241.     signal(SIGSEGV, sighandler);

  1242. #ifdef SIGBUS

  1243.     signal(SIGBUS, sighandler);

  1244. #endif

  1245.     return func_ptr();

  1246. }

  1247. EOF

  1248. }

  1249. 

  1250. check_type(){

  1251.     log check_type "$@"

  1252.     headers=$1

  1253.     type=$2

  1254.     shift 2

  1255.     disable_safe "$type"

  1256.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1257. }

  1258. 

  1259. check_struct(){

  1260.     log check_struct "$@"

  1261.     headers=$1

  1262.     struct=$2

  1263.     member=$3

  1264.     shift 3

  1265.     disable_safe "${struct}_${member}"

  1266.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1267.         enable_safe "${struct}_${member}"

  1268. }

  1269. 

  1270. check_builtin(){

  1271.     log check_builtin "$@"

  1272.     name=$1

  1273.     headers=$2

  1274.     builtin=$3

  1275.     shift 3

  1276.     disable "$name"

  1277.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1278. }

  1279. 

  1280. check_compile_assert(){

  1281.     log check_compile_assert "$@"

  1282.     name=$1

  1283.     headers=$2

  1284.     condition=$3

  1285.     shift 3

  1286.     disable "$name"

  1287.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1288. }

  1289. 

  1290. require(){

  1291.     name="$1"

  1292.     header="$2"

  1293.     func="$3"

  1294.     shift 3

  1295.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1296. }

  1297. 

  1298. require2(){

  1299.     name="$1"

  1300.     headers="$2"

  1301.     func="$3"

  1302.     shift 3

  1303.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1304. }

  1305. 

  1306. require_cpp(){

  1307.     name="$1"

  1308.     headers="$2"

  1309.     classes="$3"

  1310.     shift 3

  1311.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1312. }

  1313. 

  1314. use_pkg_config(){

  1315.     pkg="$1"

  1316.     check_pkg_config "$@" || return 1

  1317.     add_cflags    $(get_safe "${pkg}_cflags")

  1318.     add_extralibs $(get_safe "${pkg}_libs")

  1319. }

  1320. 

  1321. require_pkg_config(){

  1322.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1323. }

  1324. 

  1325. require_libfreetype(){

  1326.     log require_libfreetype "$@"

  1327.     pkg="freetype2"

  1328.     check_cmd $pkg_config --exists --print-errors $pkg \

  1329.       || die "ERROR: $pkg not found"

  1330.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1331.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1332.     {

  1333.         echo "#include <ft2build.h>"

  1334.         echo "#include FT_FREETYPE_H"

  1335.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1336.         echo "int main(void) { return 0; }"

  1337.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1338.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1339.       && set_safe "${pkg}_libs"   $pkg_libs \

  1340.       || die "ERROR: $pkg not found"

  1341.     add_cflags    $(get_safe "${pkg}_cflags")

  1342.     add_extralibs $(get_safe "${pkg}_libs")

  1343. }

  1344. 

  1345. hostcc_e(){

  1346.     eval printf '%s\\n' $HOSTCC_E

  1347. }

  1348. 

  1349. hostcc_o(){

  1350.     eval printf '%s\\n' $HOSTCC_O

  1351. }

  1352. 

  1353. check_host_cc(){

  1354.     log check_host_cc "$@"

  1355.     cat > $TMPC

  1356.     log_file $TMPC

  1357.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1358. }

  1359. 

  1360. check_host_cpp(){

  1361.     log check_host_cpp "$@"

  1362.     cat > $TMPC

  1363.     log_file $TMPC

  1364.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1365. }

  1366. 

  1367. check_host_cppflags(){

  1368.     log check_host_cppflags "$@"

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

  1370. int x;

  1371. EOF

  1372. }

  1373. 

  1374. check_host_cflags(){

  1375.     log check_host_cflags "$@"

  1376.     set -- $($host_cflags_filter "$@")

  1377.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1378. int x;

  1379. EOF

  1380. }

  1381. 

  1382. check_host_cpp_condition(){

  1383.     log check_host_cpp_condition "$@"

  1384.     header=$1

  1385.     condition=$2

  1386.     shift 2

  1387.     check_host_cpp "$@" <<EOF

  1388. #include <$header>

  1389. #if !($condition)

  1390. #error "unsatisfied condition: $condition"

  1391. #endif

  1392. EOF

  1393. }

  1394. 

  1395. cp_if_changed(){

  1396.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1397.     mkdir -p "$(dirname $2)"

  1398.     $cp_f "$1" "$2"

  1399. }

  1400. 

  1401. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1402. # system-dependent things.

  1403. 

  1404. AVCODEC_COMPONENTS="

  1405.     bsfs

  1406.     decoders

  1407.     encoders

  1408.     hwaccels

  1409.     parsers

  1410. "

  1411. 

  1412. AVDEVICE_COMPONENTS="

  1413.     indevs

  1414.     outdevs

  1415. "

  1416. AVFILTER_COMPONENTS="

  1417.     filters

  1418. "

  1419. AVFORMAT_COMPONENTS="

  1420.     demuxers

  1421.     muxers

  1422.     protocols

  1423. "

  1424. 

  1425. AVRESAMPLE_COMPONENTS=""

  1426. AVUTIL_COMPONENTS=""

  1427. 

  1428. COMPONENT_LIST="

  1429.     $AVCODEC_COMPONENTS

  1430.     $AVDEVICE_COMPONENTS

  1431.     $AVFILTER_COMPONENTS

  1432.     $AVFORMAT_COMPONENTS

  1433.     $AVRESAMPLE_COMPONENTS

  1434.     $AVUTIL_COMPONENTS

  1435. "

  1436. 

  1437. EXAMPLE_LIST="

  1438.     avio_reading_example

  1439.     avio_dir_cmd_example

  1440.     decoding_encoding_example

  1441.     demuxing_decoding_example

  1442.     extract_mvs_example

  1443.     filter_audio_example

  1444.     filtering_audio_example

  1445.     filtering_video_example

  1446.     metadata_example

  1447.     muxing_example

  1448.     qsvdec_example

  1449.     remuxing_example

  1450.     resampling_audio_example

  1451.     scaling_video_example

  1452.     transcode_aac_example

  1453.     transcoding_example

  1454. "

  1455. 

  1456. EXTERNAL_LIBRARY_LIST="

  1457.     audiotoolbox

  1458.     avisynth

  1459.     bzlib

  1460.     chromaprint

  1461.     crystalhd

  1462.     decklink

  1463.     frei0r

  1464.     gcrypt

  1465.     gmp

  1466.     gnutls

  1467.     iconv

  1468.     jni

  1469.     ladspa

  1470.     libass

  1471.     libbluray

  1472.     libbs2b

  1473.     libcaca

  1474.     libcdio

  1475.     libcelt

  1476.     libdc1394

  1477.     libebur128

  1478.     libfaac

  1479.     libfdk_aac

  1480.     libflite

  1481.     libfontconfig

  1482.     libfreetype

  1483.     libfribidi

  1484.     libgme

  1485.     libgsm

  1486.     libiec61883

  1487.     libilbc

  1488.     libkvazaar

  1489.     libmodplug

  1490.     libmp3lame

  1491.     libnut

  1492.     libnpp

  1493.     libopencore_amrnb

  1494.     libopencore_amrwb

  1495.     libopencv

  1496.     libopenh264

  1497.     libopenjpeg

  1498.     libopus

  1499.     libpulse

  1500.     librtmp

  1501.     librubberband

  1502.     libschroedinger

  1503.     libshine

  1504.     libsmbclient

  1505.     libsnappy

  1506.     libsoxr

  1507.     libspeex

  1508.     libssh

  1509.     libtesseract

  1510.     libtheora

  1511.     libtwolame

  1512.     libv4l2

  1513.     libvidstab

  1514.     libvo_amrwbenc

  1515.     libvorbis

  1516.     libvpx

  1517.     libwavpack

  1518.     libwebp

  1519.     libx264

  1520.     libx265

  1521.     libxavs

  1522.     libxcb

  1523.     libxcb_shm

  1524.     libxcb_shape

  1525.     libxcb_xfixes

  1526.     libxvid

  1527.     libzimg

  1528.     libzmq

  1529.     libzvbi

  1530.     lzma

  1531.     mediacodec

  1532.     netcdf

  1533.     openal

  1534.     opencl

  1535.     opengl

  1536.     openssl

  1537.     schannel

  1538.     sdl

  1539.     securetransport

  1540.     videotoolbox

  1541.     x11grab

  1542.     xlib

  1543.     zlib

  1544. "

  1545. 

  1546. DOCUMENT_LIST="

  1547.     doc

  1548.     htmlpages

  1549.     manpages

  1550.     podpages

  1551.     txtpages

  1552. "

  1553. 

  1554. FEATURE_LIST="

  1555.     ftrapv

  1556.     gray

  1557.     hardcoded_tables

  1558.     omx_rpi

  1559.     runtime_cpudetect

  1560.     safe_bitstream_reader

  1561.     shared

  1562.     small

  1563.     static

  1564.     swscale_alpha

  1565. "

  1566. 

  1567. HW_CODECS_LIST="

  1568.     cuda

  1569.     cuvid

  1570.     libmfx

  1571.     mmal

  1572.     nvenc

  1573.     omx

  1574. "

  1575. 

  1576. HWACCEL_LIST="

  1577.     d3d11va

  1578.     dxva2

  1579.     vaapi

  1580.     vda

  1581.     vdpau

  1582.     videotoolbox_hwaccel

  1583.     xvmc

  1584. "

  1585. 

  1586. LIBRARY_LIST="

  1587.     avcodec

  1588.     avdevice

  1589.     avfilter

  1590.     avformat

  1591.     avresample

  1592.     avutil

  1593.     postproc

  1594.     swresample

  1595.     swscale

  1596. "

  1597. 

  1598. LICENSE_LIST="

  1599.     gpl

  1600.     nonfree

  1601.     version3

  1602. "

  1603. 

  1604. PROGRAM_LIST="

  1605.     ffplay

  1606.     ffprobe

  1607.     ffserver

  1608.     ffmpeg

  1609. "

  1610. 

  1611. SUBSYSTEM_LIST="

  1612.     dct

  1613.     dwt

  1614.     error_resilience

  1615.     faan

  1616.     fast_unaligned

  1617.     fft

  1618.     lsp

  1619.     lzo

  1620.     mdct

  1621.     pixelutils

  1622.     network

  1623.     rdft

  1624. "

  1625. 

  1626. CONFIG_LIST="

  1627.     $COMPONENT_LIST

  1628.     $DOCUMENT_LIST

  1629.     $EXAMPLE_LIST

  1630.     $EXTERNAL_LIBRARY_LIST

  1631.     $FEATURE_LIST

  1632.     $HW_CODECS_LIST

  1633.     $HWACCEL_LIST

  1634.     $LICENSE_LIST

  1635.     $LIBRARY_LIST

  1636.     $PROGRAM_LIST

  1637.     $SUBSYSTEM_LIST

  1638.     fontconfig

  1639.     incompatible_libav_abi

  1640.     memalign_hack

  1641.     memory_poisoning

  1642.     neon_clobber_test

  1643.     pic

  1644.     pod2man

  1645.     raise_major

  1646.     thumb

  1647.     valgrind_backtrace

  1648.     xmm_clobber_test

  1649. "

  1650. 

  1651. THREADS_LIST="

  1652.     pthreads

  1653.     os2threads

  1654.     w32threads

  1655. "

  1656. 

  1657. ATOMICS_LIST="

  1658.     atomics_gcc

  1659.     atomics_suncc

  1660.     atomics_win32

  1661. "

  1662. 

  1663. ARCH_LIST="

  1664.     aarch64

  1665.     alpha

  1666.     arm

  1667.     avr32

  1668.     avr32_ap

  1669.     avr32_uc

  1670.     bfin

  1671.     ia64

  1672.     m68k

  1673.     mips

  1674.     mips64

  1675.     parisc

  1676.     ppc

  1677.     ppc64

  1678.     s390

  1679.     sh4

  1680.     sparc

  1681.     sparc64

  1682.     tilegx

  1683.     tilepro

  1684.     tomi

  1685.     x86

  1686.     x86_32

  1687.     x86_64

  1688. "

  1689. 

  1690. ARCH_EXT_LIST_ARM="

  1691.     armv5te

  1692.     armv6

  1693.     armv6t2

  1694.     armv8

  1695.     neon

  1696.     vfp

  1697.     vfpv3

  1698.     setend

  1699. "

  1700. 

  1701. ARCH_EXT_LIST_MIPS="

  1702.     mipsfpu

  1703.     mips32r2

  1704.     mips32r5

  1705.     mips64r2

  1706.     mips32r6

  1707.     mips64r6

  1708.     mipsdsp

  1709.     mipsdspr2

  1710.     msa

  1711. "

  1712. 

  1713. ARCH_EXT_LIST_LOONGSON="

  1714.     loongson2

  1715.     loongson3

  1716.     mmi

  1717. "

  1718. 

  1719. ARCH_EXT_LIST_X86_SIMD="

  1720.     aesni

  1721.     amd3dnow

  1722.     amd3dnowext

  1723.     avx

  1724.     avx2

  1725.     fma3

  1726.     fma4

  1727.     mmx

  1728.     mmxext

  1729.     sse

  1730.     sse2

  1731.     sse3

  1732.     sse4

  1733.     sse42

  1734.     ssse3

  1735.     xop

  1736. "

  1737. 

  1738. ARCH_EXT_LIST_PPC="

  1739.     altivec

  1740.     dcbzl

  1741.     ldbrx

  1742.     power8

  1743.     ppc4xx

  1744.     vsx

  1745. "

  1746. 

  1747. ARCH_EXT_LIST_X86="

  1748.     $ARCH_EXT_LIST_X86_SIMD

  1749.     cpunop

  1750.     i686

  1751. "

  1752. 

  1753. ARCH_EXT_LIST="

  1754.     $ARCH_EXT_LIST_ARM

  1755.     $ARCH_EXT_LIST_PPC

  1756.     $ARCH_EXT_LIST_X86

  1757.     $ARCH_EXT_LIST_MIPS

  1758.     $ARCH_EXT_LIST_LOONGSON

  1759. "

  1760. 

  1761. ARCH_FEATURES="

  1762.     aligned_stack

  1763.     fast_64bit

  1764.     fast_clz

  1765.     fast_cmov

  1766.     local_aligned_8

  1767.     local_aligned_16

  1768.     local_aligned_32

  1769.     simd_align_16

  1770. "

  1771. 

  1772. BUILTIN_LIST="

  1773.     atomic_cas_ptr

  1774.     atomic_compare_exchange

  1775.     machine_rw_barrier

  1776.     MemoryBarrier

  1777.     mm_empty

  1778.     rdtsc

  1779.     sarestart

  1780.     sem_timedwait

  1781.     sync_val_compare_and_swap

  1782. "

  1783. HAVE_LIST_CMDLINE="

  1784.     inline_asm

  1785.     symver

  1786.     yasm

  1787. "

  1788. 

  1789. HAVE_LIST_PUB="

  1790.     bigendian

  1791.     fast_unaligned

  1792.     incompatible_libav_abi

  1793. "

  1794. 

  1795. HEADERS_LIST="

  1796.     alsa_asoundlib_h

  1797.     altivec_h

  1798.     arpa_inet_h

  1799.     asm_types_h

  1800.     cdio_paranoia_h

  1801.     cdio_paranoia_paranoia_h

  1802.     dispatch_dispatch_h

  1803.     dev_bktr_ioctl_bt848_h

  1804.     dev_bktr_ioctl_meteor_h

  1805.     dev_ic_bt8xx_h

  1806.     dev_video_bktr_ioctl_bt848_h

  1807.     dev_video_meteor_ioctl_meteor_h

  1808.     direct_h

  1809.     dirent_h

  1810.     dlfcn_h

  1811.     d3d11_h

  1812.     dxva_h

  1813.     ES2_gl_h

  1814.     gsm_h

  1815.     io_h

  1816.     mach_mach_time_h

  1817.     machine_ioctl_bt848_h

  1818.     machine_ioctl_meteor_h

  1819.     malloc_h

  1820.     opencv2_core_core_c_h

  1821.     openjpeg_2_1_openjpeg_h

  1822.     openjpeg_2_0_openjpeg_h

  1823.     openjpeg_1_5_openjpeg_h

  1824.     OpenGL_gl3_h

  1825.     poll_h

  1826.     sndio_h

  1827.     soundcard_h

  1828.     sys_mman_h

  1829.     sys_param_h

  1830.     sys_resource_h

  1831.     sys_select_h

  1832.     sys_soundcard_h

  1833.     sys_time_h

  1834.     sys_un_h

  1835.     sys_videoio_h

  1836.     termios_h

  1837.     udplite_h

  1838.     unistd_h

  1839.     valgrind_valgrind_h

  1840.     windows_h

  1841.     winsock2_h

  1842. "

  1843. 

  1844. INTRINSICS_LIST="

  1845.     intrinsics_neon

  1846. "

  1847. 

  1848. COMPLEX_FUNCS="

  1849.     cabs

  1850.     cexp

  1851. "

  1852. 

  1853. MATH_FUNCS="

  1854.     atanf

  1855.     atan2f

  1856.     cbrt

  1857.     cbrtf

  1858.     copysign

  1859.     cosf

  1860.     erf

  1861.     exp2

  1862.     exp2f

  1863.     expf

  1864.     hypot

  1865.     isfinite

  1866.     isinf

  1867.     isnan

  1868.     ldexpf

  1869.     llrint

  1870.     llrintf

  1871.     log2

  1872.     log2f

  1873.     log10f

  1874.     lrint

  1875.     lrintf

  1876.     powf

  1877.     rint

  1878.     round

  1879.     roundf

  1880.     sinf

  1881.     trunc

  1882.     truncf

  1883. "

  1884. 

  1885. SYSTEM_FUNCS="

  1886.     access

  1887.     aligned_malloc

  1888.     arc4random

  1889.     clock_gettime

  1890.     closesocket

  1891.     CommandLineToArgvW

  1892.     CoTaskMemFree

  1893.     CryptGenRandom

  1894.     dlopen

  1895.     fcntl

  1896.     flt_lim

  1897.     fork

  1898.     getaddrinfo

  1899.     gethrtime

  1900.     getopt

  1901.     GetProcessAffinityMask

  1902.     GetProcessMemoryInfo

  1903.     GetProcessTimes

  1904.     getrusage

  1905.     GetSystemTimeAsFileTime

  1906.     gettimeofday

  1907.     glob

  1908.     glXGetProcAddress

  1909.     gmtime_r

  1910.     inet_aton

  1911.     isatty

  1912.     jack_port_get_latency_range

  1913.     kbhit

  1914.     localtime_r

  1915.     lstat

  1916.     lzo1x_999_compress

  1917.     mach_absolute_time

  1918.     MapViewOfFile

  1919.     memalign

  1920.     mkstemp

  1921.     mmap

  1922.     mprotect

  1923.     nanosleep

  1924.     PeekNamedPipe

  1925.     posix_memalign

  1926.     pthread_cancel

  1927.     sched_getaffinity

  1928.     SetConsoleTextAttribute

  1929.     SetConsoleCtrlHandler

  1930.     setmode

  1931.     setrlimit

  1932.     Sleep

  1933.     strerror_r

  1934.     sysconf

  1935.     sysctl

  1936.     usleep

  1937.     UTGetOSTypeFromString

  1938.     VirtualAlloc

  1939.     wglGetProcAddress

  1940. "

  1941. 

  1942. TOOLCHAIN_FEATURES="

  1943.     as_dn_directive

  1944.     as_func

  1945.     as_object_arch

  1946.     asm_mod_q

  1947.     attribute_may_alias

  1948.     attribute_packed

  1949.     ebp_available

  1950.     ebx_available

  1951.     gnu_as

  1952.     gnu_windres

  1953.     ibm_asm

  1954.     inline_asm_direct_symbol_refs

  1955.     inline_asm_labels

  1956.     inline_asm_nonlocal_labels

  1957.     pragma_deprecated

  1958.     rsync_contimeout

  1959.     symver_asm_label

  1960.     symver_gnu_asm

  1961.     vfp_args

  1962.     xform_asm

  1963.     xmm_clobbers

  1964. "

  1965. 

  1966. TYPES_LIST="

  1967.     CONDITION_VARIABLE_Ptr

  1968.     socklen_t

  1969.     struct_addrinfo

  1970.     struct_group_source_req

  1971.     struct_ip_mreq_source

  1972.     struct_ipv6_mreq

  1973.     struct_msghdr_msg_flags

  1974.     struct_pollfd

  1975.     struct_rusage_ru_maxrss

  1976.     struct_sctp_event_subscribe

  1977.     struct_sockaddr_in6

  1978.     struct_sockaddr_sa_len

  1979.     struct_sockaddr_storage

  1980.     struct_stat_st_mtim_tv_nsec

  1981.     struct_v4l2_frmivalenum_discrete

  1982. "

  1983. 

  1984. HAVE_LIST="

  1985.     $ARCH_EXT_LIST

  1986.     $(add_suffix _external $ARCH_EXT_LIST)

  1987.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1988.     $ARCH_FEATURES

  1989.     $ATOMICS_LIST

  1990.     $BUILTIN_LIST

  1991.     $COMPLEX_FUNCS

  1992.     $HAVE_LIST_CMDLINE

  1993.     $HAVE_LIST_PUB

  1994.     $HEADERS_LIST

  1995.     $INTRINSICS_LIST

  1996.     $MATH_FUNCS

  1997.     $SYSTEM_FUNCS

  1998.     $THREADS_LIST

  1999.     $TOOLCHAIN_FEATURES

  2000.     $TYPES_LIST

  2001.     atomics_native

  2002.     dos_paths

  2003.     dxva2_lib

  2004.     dxva2api_cobj

  2005.     libc_msvcrt

  2006.     libdc1394_1

  2007.     libdc1394_2

  2008.     makeinfo

  2009.     makeinfo_html

  2010.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2011.     perl

  2012.     pod2man

  2013.     sdl

  2014.     section_data_rel_ro

  2015.     texi2html

  2016.     threads

  2017.     vaapi_drm

  2018.     vaapi_x11

  2019.     vdpau_x11

  2020.     winrt

  2021.     xlib

  2022. "

  2023. 

  2024. # options emitted with CONFIG_ prefix but not available on the command line

  2025. CONFIG_EXTRA="

  2026.     aandcttables

  2027.     ac3dsp

  2028.     audio_frame_queue

  2029.     audiodsp

  2030.     blockdsp

  2031.     bswapdsp

  2032.     cabac

  2033.     dirac_parse

  2034.     dvprofile

  2035.     exif

  2036.     faandct

  2037.     faanidct

  2038.     fdctdsp

  2039.     flacdsp

  2040.     fmtconvert

  2041.     frame_thread_encoder

  2042.     g722dsp

  2043.     golomb

  2044.     gplv3

  2045.     h263dsp

  2046.     h264chroma

  2047.     h264dsp

  2048.     h264pred

  2049.     h264qpel

  2050.     hpeldsp

  2051.     huffman

  2052.     huffyuvdsp

  2053.     huffyuvencdsp

  2054.     idctdsp

  2055.     iirfilter

  2056.     imdct15

  2057.     intrax8

  2058.     iso_media

  2059.     ividsp

  2060.     jpegtables

  2061.     lgplv3

  2062.     libx262

  2063.     llauddsp

  2064.     llviddsp

  2065.     lpc

  2066.     lzf

  2067.     me_cmp

  2068.     mpeg_er

  2069.     mpegaudio

  2070.     mpegaudiodsp

  2071.     mpegvideo

  2072.     mpegvideoenc

  2073.     mss34dsp

  2074.     pixblockdsp

  2075.     qpeldsp

  2076.     qsv

  2077.     qsvdec

  2078.     qsvenc

  2079.     rangecoder

  2080.     riffdec

  2081.     riffenc

  2082.     rtpdec

  2083.     rtpenc_chain

  2084.     rv34dsp

  2085.     sinewin

  2086.     snappy

  2087.     srtp

  2088.     startcode

  2089.     texturedsp

  2090.     texturedspenc

  2091.     tpeldsp

  2092.     vaapi_encode

  2093.     vc1dsp

  2094.     videodsp

  2095.     vp3dsp

  2096.     vp56dsp

  2097.     vp8dsp

  2098.     vt_bt2020

  2099.     wma_freqs

  2100.     wmv2dsp

  2101. "

  2102. 

  2103. CMDLINE_SELECT="

  2104.     $ARCH_EXT_LIST

  2105.     $CONFIG_LIST

  2106.     $HAVE_LIST_CMDLINE

  2107.     $THREADS_LIST

  2108.     asm

  2109.     cross_compile

  2110.     debug

  2111.     extra_warnings

  2112.     logging

  2113.     lto

  2114.     optimizations

  2115.     rpath

  2116.     stripping

  2117. "

  2118. 

  2119. PATHS_LIST="

  2120.     bindir

  2121.     datadir

  2122.     docdir

  2123.     incdir

  2124.     libdir

  2125.     mandir

  2126.     pkgconfigdir

  2127.     prefix

  2128.     shlibdir

  2129.     install_name_dir

  2130. "

  2131. 

  2132. CMDLINE_SET="

  2133.     $PATHS_LIST

  2134.     ar

  2135.     arch

  2136.     as

  2137.     assert_level

  2138.     build_suffix

  2139.     cc

  2140.     objcc

  2141.     cpu

  2142.     cross_prefix

  2143.     custom_allocator

  2144.     cxx

  2145.     dep_cc

  2146.     doxygen

  2147.     env

  2148.     extra_version

  2149.     gas

  2150.     host_cc

  2151.     host_cflags

  2152.     host_ld

  2153.     host_ldflags

  2154.     host_libs

  2155.     host_os

  2156.     install

  2157.     ld

  2158.     ln_s

  2159.     logfile

  2160.     malloc_prefix

  2161.     nm

  2162.     optflags

  2163.     pkg_config

  2164.     pkg_config_flags

  2165.     progs_suffix

  2166.     random_seed

  2167.     ranlib

  2168.     samples

  2169.     strip

  2170.     sws_max_filter_size

  2171.     sysinclude

  2172.     sysroot

  2173.     target_exec

  2174.     target_os

  2175.     target_path

  2176.     target_samples

  2177.     tempprefix

  2178.     toolchain

  2179.     valgrind

  2180.     yasmexe

  2181. "

  2182. 

  2183. CMDLINE_APPEND="

  2184.     extra_cflags

  2185.     extra_cxxflags

  2186.     extra_objcflags

  2187.     host_cppflags

  2188. "

  2189. 

  2190. # code dependency declarations

  2191. 

  2192. # architecture extensions

  2193. 

  2194. armv5te_deps="arm"

  2195. armv6_deps="arm"

  2196. armv6t2_deps="arm"

  2197. armv8_deps="aarch64"

  2198. neon_deps_any="aarch64 arm"

  2199. intrinsics_neon_deps="neon"

  2200. vfp_deps_any="aarch64 arm"

  2201. vfpv3_deps="vfp"

  2202. setend_deps="arm"

  2203. 

  2204. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2205. 

  2206. mipsfpu_deps="mips"

  2207. mipsdsp_deps="mips"

  2208. mipsdspr2_deps="mips"

  2209. mips32r2_deps="mips"

  2210. mips32r5_deps="mips"

  2211. mips32r6_deps="mips"

  2212. mips64r2_deps="mips"

  2213. mips64r6_deps="mips"

  2214. msa_deps="mipsfpu"

  2215. mmi_deps="mips"

  2216. 

  2217. altivec_deps="ppc"

  2218. dcbzl_deps="ppc"

  2219. ldbrx_deps="ppc"

  2220. ppc4xx_deps="ppc"

  2221. vsx_deps="altivec"

  2222. power8_deps="vsx"

  2223. 

  2224. cpunop_deps="i686"

  2225. x86_64_select="i686"

  2226. x86_64_suggest="fast_cmov"

  2227. 

  2228. amd3dnow_deps="mmx"

  2229. amd3dnowext_deps="amd3dnow"

  2230. i686_deps="x86"

  2231. mmx_deps="x86"

  2232. mmxext_deps="mmx"

  2233. sse_deps="mmxext"

  2234. sse2_deps="sse"

  2235. sse3_deps="sse2"

  2236. ssse3_deps="sse3"

  2237. sse4_deps="ssse3"

  2238. sse42_deps="sse4"

  2239. aesni_deps="sse42"

  2240. avx_deps="sse42"

  2241. xop_deps="avx"

  2242. fma3_deps="avx"

  2243. fma4_deps="avx"

  2244. avx2_deps="avx"

  2245. 

  2246. mmx_external_deps="yasm"

  2247. mmx_inline_deps="inline_asm"

  2248. mmx_suggest="mmx_external mmx_inline"

  2249. 

  2250. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2251.     eval dep=\$${ext}_deps

  2252.     eval ${ext}_external_deps='"${dep}_external"'

  2253.     eval ${ext}_inline_deps='"${dep}_inline"'

  2254.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2255. done

  2256. 

  2257. aligned_stack_if_any="aarch64 ppc x86"

  2258. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2259. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2260. fast_unaligned_if_any="aarch64 ppc x86"

  2261. simd_align_16_if_any="altivec neon sse"

  2262. 

  2263. # system capabilities

  2264. symver_if_any="symver_asm_label symver_gnu_asm"

  2265. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2266. 

  2267. # threading support

  2268. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2269. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2270. atomics_win32_if="MemoryBarrier"

  2271. atomics_native_if_any="$ATOMICS_LIST"

  2272. w32threads_deps="atomics_native"

  2273. threads_if_any="$THREADS_LIST"

  2274. 

  2275. # subsystems

  2276. dct_select="rdft"

  2277. dirac_parse_select="golomb"

  2278. error_resilience_select="me_cmp"

  2279. faandct_deps="faan fdctdsp"

  2280. faanidct_deps="faan idctdsp"

  2281. h264dsp_select="startcode"

  2282. frame_thread_encoder_deps="encoders threads"

  2283. intrax8_select="blockdsp idctdsp"

  2284. mdct_select="fft"

  2285. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2286. mpeg_er_select="error_resilience"

  2287. mpegaudio_select="mpegaudiodsp"

  2288. mpegaudiodsp_select="dct"

  2289. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2290. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2291. vc1dsp_select="h264chroma qpeldsp startcode"

  2292. rdft_select="fft"

  2293. 

  2294. # decoders / encoders

  2295. aac_decoder_select="imdct15 mdct sinewin"

  2296. aac_fixed_decoder_select="mdct sinewin"

  2297. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2298. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2299. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2300. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2301. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2302. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2303. adpcm_g722_decoder_select="g722dsp"

  2304. adpcm_g722_encoder_select="g722dsp"

  2305. aic_decoder_select="golomb idctdsp"

  2306. alac_encoder_select="lpc"

  2307. als_decoder_select="bswapdsp"

  2308. amrnb_decoder_select="lsp"

  2309. amrwb_decoder_select="lsp"

  2310. amv_decoder_select="sp5x_decoder exif"

  2311. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2312. ape_decoder_select="bswapdsp llauddsp"

  2313. apng_decoder_select="zlib"

  2314. apng_encoder_select="huffyuvencdsp zlib"

  2315. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2316. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2317. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2318. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2319. atrac1_decoder_select="mdct sinewin"

  2320. atrac3_decoder_select="mdct"

  2321. atrac3p_decoder_select="mdct sinewin"

  2322. avrn_decoder_select="exif jpegtables"

  2323. bink_decoder_select="blockdsp hpeldsp"

  2324. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2325. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2326. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2327. cllc_decoder_select="bswapdsp"

  2328. comfortnoise_encoder_select="lpc"

  2329. cook_decoder_select="audiodsp mdct sinewin"

  2330. cscd_decoder_select="lzo"

  2331. cscd_decoder_suggest="zlib"

  2332. dca_decoder_select="mdct"

  2333. dds_decoder_select="texturedsp"

  2334. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2335. dnxhd_decoder_select="blockdsp idctdsp"

  2336. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2337. dvvideo_decoder_select="dvprofile idctdsp"

  2338. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2339. dxa_decoder_select="zlib"

  2340. dxv_decoder_select="lzf texturedsp"

  2341. eac3_decoder_select="ac3_decoder"

  2342. eac3_encoder_select="ac3_encoder"

  2343. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2344. eatgq_decoder_select="aandcttables"

  2345. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2346. exr_decoder_select="zlib"

  2347. ffv1_decoder_select="golomb rangecoder"

  2348. ffv1_encoder_select="rangecoder"

  2349. ffvhuff_decoder_select="huffyuv_decoder"

  2350. ffvhuff_encoder_select="huffyuv_encoder"

  2351. fic_decoder_select="golomb"

  2352. flac_decoder_select="flacdsp golomb"

  2353. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2354. flashsv2_decoder_select="zlib"

  2355. flashsv2_encoder_select="zlib"

  2356. flashsv_decoder_select="zlib"

  2357. flashsv_encoder_select="zlib"

  2358. flv_decoder_select="h263_decoder"

  2359. flv_encoder_select="h263_encoder"

  2360. fourxm_decoder_select="blockdsp bswapdsp"

  2361. fraps_decoder_select="bswapdsp huffman"

  2362. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2363. g729_decoder_select="audiodsp"

  2364. h261_decoder_select="mpegvideo"

  2365. h261_encoder_select="aandcttables mpegvideoenc"

  2366. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2367. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2368. h263i_decoder_select="h263_decoder"

  2369. h263p_decoder_select="h263_decoder"

  2370. h263p_encoder_select="h263_encoder"

  2371. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"

  2372. h264_decoder_suggest="error_resilience"

  2373. hap_decoder_select="snappy texturedsp"

  2374. hap_encoder_deps="libsnappy"

  2375. hap_encoder_select="texturedspenc"

  2376. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2377. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2378. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2379. iac_decoder_select="imc_decoder"

  2380. imc_decoder_select="bswapdsp fft mdct sinewin"

  2381. indeo3_decoder_select="hpeldsp"

  2382. indeo4_decoder_select="ividsp"

  2383. indeo5_decoder_select="ividsp"

  2384. interplay_video_decoder_select="hpeldsp"

  2385. jpegls_decoder_select="golomb mjpeg_decoder"

  2386. jpegls_encoder_select="golomb"

  2387. jv_decoder_select="blockdsp"

  2388. lagarith_decoder_select="huffyuvdsp"

  2389. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2390. loco_decoder_select="golomb"

  2391. magicyuv_decoder_select="huffyuvdsp"

  2392. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2393. metasound_decoder_select="lsp mdct sinewin"

  2394. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2395. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2396. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2397. mjpegb_decoder_select="mjpeg_decoder"

  2398. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  2399. mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"

  2400. mlp_decoder_select="mlp_parser"

  2401. motionpixels_decoder_select="bswapdsp"

  2402. mp1_decoder_select="mpegaudio"

  2403. mp1float_decoder_select="mpegaudio"

  2404. mp2_decoder_select="mpegaudio"

  2405. mp2float_decoder_select="mpegaudio"

  2406. mp3_decoder_select="mpegaudio"

  2407. mp3adu_decoder_select="mpegaudio"

  2408. mp3adufloat_decoder_select="mpegaudio"

  2409. mp3float_decoder_select="mpegaudio"

  2410. mp3on4_decoder_select="mpegaudio"

  2411. mp3on4float_decoder_select="mpegaudio"

  2412. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2413. mpc8_decoder_select="mpegaudiodsp"

  2414. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2415. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2416. mpegvideo_decoder_select="mpegvideo"

  2417. mpeg1video_decoder_select="mpegvideo"

  2418. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2419. mpeg2video_decoder_select="mpegvideo"

  2420. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2421. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2422. mpeg4_encoder_select="h263_encoder"

  2423. msa1_decoder_select="mss34dsp"

  2424. msmpeg4v1_decoder_select="h263_decoder"

  2425. msmpeg4v2_decoder_select="h263_decoder"

  2426. msmpeg4v2_encoder_select="h263_encoder"

  2427. msmpeg4v3_decoder_select="h263_decoder"

  2428. msmpeg4v3_encoder_select="h263_encoder"

  2429. mss2_decoder_select="vc1_decoder mpegvideo"

  2430. mts2_decoder_select="mss34dsp"

  2431. mxpeg_decoder_select="mjpeg_decoder"

  2432. nellymoser_decoder_select="mdct sinewin"

  2433. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2434. nuv_decoder_select="idctdsp lzo"

  2435. on2avc_decoder_select="mdct"

  2436. opus_decoder_deps="swresample"

  2437. opus_decoder_select="imdct15"

  2438. png_decoder_select="zlib"

  2439. png_encoder_select="huffyuvencdsp zlib"

  2440. prores_decoder_select="blockdsp idctdsp"

  2441. prores_encoder_select="fdctdsp"

  2442. qcelp_decoder_select="lsp"

  2443. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2444. ra_144_decoder_select="audiodsp"

  2445. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2446. ralf_decoder_select="golomb"

  2447. rawvideo_decoder_select="bswapdsp"

  2448. rscc_decoder_select="zlib"

  2449. rtjpeg_decoder_select="me_cmp"

  2450. rv10_decoder_select="h263_decoder"

  2451. rv10_encoder_select="h263_encoder"

  2452. rv20_decoder_select="h263_decoder"

  2453. rv20_encoder_select="h263_encoder"

  2454. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2455. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2456. screenpresso_decoder_select="zlib"

  2457. shorten_decoder_select="golomb"

  2458. sipr_decoder_select="lsp"

  2459. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2460. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2461. sonic_decoder_select="golomb rangecoder"

  2462. sonic_encoder_select="golomb rangecoder"

  2463. sonic_ls_encoder_select="golomb rangecoder"

  2464. sp5x_decoder_select="mjpeg_decoder"

  2465. svq1_decoder_select="hpeldsp"

  2466. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2467. svq3_decoder_select="golomb h264dsp h264pred hpeldsp tpeldsp videodsp"

  2468. svq3_decoder_suggest="zlib"

  2469. tak_decoder_select="audiodsp"

  2470. tdsc_decoder_select="zlib mjpeg_decoder"

  2471. theora_decoder_select="vp3_decoder"

  2472. thp_decoder_select="mjpeg_decoder"

  2473. tiff_decoder_suggest="zlib lzma"

  2474. tiff_encoder_suggest="zlib"

  2475. truehd_decoder_select="mlp_parser"

  2476. truemotion2_decoder_select="bswapdsp"

  2477. truespeech_decoder_select="bswapdsp"

  2478. tscc_decoder_select="zlib"

  2479. twinvq_decoder_select="mdct lsp sinewin"

  2480. txd_decoder_select="texturedsp"

  2481. utvideo_decoder_select="bswapdsp"

  2482. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2483. vble_decoder_select="huffyuvdsp"

  2484. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2485. vc1_qsv_decoder_deps="libmfx"

  2486. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2487. vc1image_decoder_select="vc1_decoder"

  2488. vorbis_decoder_select="mdct"

  2489. vorbis_encoder_select="mdct"

  2490. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2491. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2492. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2493. vp6a_decoder_select="vp6_decoder"

  2494. vp6f_decoder_select="vp6_decoder"

  2495. vp7_decoder_select="h264pred videodsp vp8dsp"

  2496. vp8_decoder_select="h264pred videodsp vp8dsp"

  2497. vp9_decoder_select="videodsp vp9_parser"

  2498. webp_decoder_select="vp8_decoder exif"

  2499. wmalossless_decoder_select="llauddsp"

  2500. wmapro_decoder_select="mdct sinewin wma_freqs"

  2501. wmav1_decoder_select="mdct sinewin wma_freqs"

  2502. wmav1_encoder_select="mdct sinewin wma_freqs"

  2503. wmav2_decoder_select="mdct sinewin wma_freqs"

  2504. wmav2_encoder_select="mdct sinewin wma_freqs"

  2505. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2506. wmv1_decoder_select="h263_decoder"

  2507. wmv1_encoder_select="h263_encoder"

  2508. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2509. wmv2_encoder_select="h263_encoder wmv2dsp"

  2510. wmv3_decoder_select="vc1_decoder"

  2511. wmv3image_decoder_select="wmv3_decoder"

  2512. xma1_decoder_select="wmapro_decoder"

  2513. xma2_decoder_select="wmapro_decoder"

  2514. zerocodec_decoder_select="zlib"

  2515. zlib_decoder_select="zlib"

  2516. zlib_encoder_select="zlib"

  2517. zmbv_decoder_select="zlib"

  2518. zmbv_encoder_select="zlib"

  2519. 

  2520. # platform codecs

  2521. audiotoolbox_deps="AudioToolbox_AudioToolbox_h"

  2522. audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"

  2523. 

  2524. # hardware accelerators

  2525. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2526. cuvid_deps="cuda"

  2527. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2528. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2529. vaapi_deps="va_va_h"

  2530. vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"

  2531. vda_framework_extralibs="-framework VideoDecodeAcceleration"

  2532. vda_deps="vda_framework pthreads"

  2533. vda_extralibs="-framework CoreFoundation -framework QuartzCore"

  2534. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2535. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2536. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2537. xvmc_deps="X11_extensions_XvMClib_h"

  2538. 

  2539. h263_vaapi_hwaccel_deps="vaapi"

  2540. h263_vaapi_hwaccel_select="h263_decoder"

  2541. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2542. h263_videotoolbox_hwaccel_select="h263_decoder"

  2543. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2544. h264_cuvid_hwaccel_deps="cuda cuvid CUVIDH264PICPARAMS"

  2545. h264_d3d11va_hwaccel_deps="d3d11va"

  2546. h264_d3d11va_hwaccel_select="h264_decoder"

  2547. h264_dxva2_hwaccel_deps="dxva2"

  2548. h264_dxva2_hwaccel_select="h264_decoder"

  2549. h264_mediacodec_decoder_deps="mediacodec"

  2550. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2551. h264_mmal_decoder_deps="mmal"

  2552. h264_mmal_decoder_select="mmal"

  2553. h264_mmal_hwaccel_deps="mmal"

  2554. h264_omx_encoder_deps="omx"

  2555. h264_qsv_hwaccel_deps="libmfx"

  2556. h264_vaapi_hwaccel_deps="vaapi"

  2557. h264_vaapi_hwaccel_select="h264_decoder"

  2558. h264_vda_decoder_deps="vda"

  2559. h264_vda_decoder_select="h264_decoder"

  2560. h264_vda_hwaccel_deps="vda"

  2561. h264_vda_hwaccel_select="h264_decoder"

  2562. h264_vda_old_hwaccel_deps="vda"

  2563. h264_vda_old_hwaccel_select="h264_decoder"

  2564. h264_vdpau_decoder_deps="vdpau"

  2565. h264_vdpau_decoder_select="h264_decoder"

  2566. h264_vdpau_hwaccel_deps="vdpau"

  2567. h264_vdpau_hwaccel_select="h264_decoder"

  2568. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2569. h264_videotoolbox_hwaccel_select="h264_decoder"

  2570. hevc_cuvid_hwaccel_deps="cuda cuvid CUVIDHEVCPICPARAMS"

  2571. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2572. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2573. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2574. hevc_dxva2_hwaccel_select="hevc_decoder"

  2575. hevc_qsv_hwaccel_deps="libmfx"

  2576. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2577. hevc_vaapi_hwaccel_select="hevc_decoder"

  2578. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2579. hevc_vdpau_hwaccel_select="hevc_decoder"

  2580. mpeg_vdpau_decoder_deps="vdpau"

  2581. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2582. mpeg_xvmc_hwaccel_deps="xvmc"

  2583. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2584. mpeg1_vdpau_decoder_deps="vdpau"

  2585. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2586. mpeg1_vdpau_hwaccel_deps="vdpau"

  2587. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2588. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2589. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2590. mpeg1_xvmc_hwaccel_deps="xvmc"

  2591. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2592. mpeg2_crystalhd_decoder_select="crystalhd"

  2593. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2594. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2595. mpeg2_dxva2_hwaccel_deps="dxva2"

  2596. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2597. mpeg2_mmal_decoder_deps="mmal"

  2598. mpeg2_mmal_decoder_select="mmal"

  2599. mpeg2_mmal_hwaccel_deps="mmal"

  2600. mpeg2_qsv_hwaccel_deps="libmfx"

  2601. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2602. mpeg2_vaapi_hwaccel_deps="vaapi"

  2603. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2604. mpeg2_vdpau_hwaccel_deps="vdpau"

  2605. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2606. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2607. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2608. mpeg2_xvmc_hwaccel_deps="xvmc"

  2609. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2610. mpeg4_crystalhd_decoder_select="crystalhd"

  2611. mpeg4_mmal_decoder_deps="mmal"

  2612. mpeg4_mmal_decoder_select="mmal"

  2613. mpeg4_mmal_hwaccel_deps="mmal"

  2614. mpeg4_omx_encoder_deps="omx"

  2615. mpeg4_vaapi_hwaccel_deps="vaapi"

  2616. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2617. mpeg4_vdpau_decoder_deps="vdpau"

  2618. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2619. mpeg4_vdpau_hwaccel_deps="vdpau"

  2620. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2621. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2622. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2623. msmpeg4_crystalhd_decoder_select="crystalhd"

  2624. vc1_crystalhd_decoder_select="crystalhd"

  2625. vc1_cuvid_hwaccel_deps="cuda cuvid CUVIDVC1PICPARAMS"

  2626. vc1_d3d11va_hwaccel_deps="d3d11va"

  2627. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2628. vc1_dxva2_hwaccel_deps="dxva2"

  2629. vc1_dxva2_hwaccel_select="vc1_decoder"

  2630. vc1_mmal_decoder_deps="mmal"

  2631. vc1_mmal_decoder_select="mmal"

  2632. vc1_mmal_hwaccel_deps="mmal"

  2633. vc1_qsv_hwaccel_deps="libmfx"

  2634. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2635. vc1_vaapi_hwaccel_deps="vaapi"

  2636. vc1_vaapi_hwaccel_select="vc1_decoder"

  2637. vc1_vdpau_decoder_deps="vdpau"

  2638. vc1_vdpau_decoder_select="vc1_decoder"

  2639. vc1_vdpau_hwaccel_deps="vdpau"

  2640. vc1_vdpau_hwaccel_select="vc1_decoder"

  2641. vp8_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2642. vp9_cuvid_hwaccel_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2643. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2644. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2645. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2646. vp9_dxva2_hwaccel_select="vp9_decoder"

  2647. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2648. vp9_vaapi_hwaccel_select="vp9_decoder"

  2649. wmv3_crystalhd_decoder_select="crystalhd"

  2650. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2651. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2652. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2653. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2654. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2655. 

  2656. # hardware-accelerated codecs

  2657. omx_deps="dlopen pthreads"

  2658. omx_extralibs='$ldl'

  2659. qsvdec_select="qsv"

  2660. qsvenc_select="qsv"

  2661. vaapi_encode_deps="vaapi"

  2662. 

  2663. hwupload_cuda_filter_deps="cuda"

  2664. scale_npp_filter_deps="cuda libnpp"

  2665. 

  2666. nvenc_encoder_deps="nvenc"

  2667. h264_cuvid_decoder_deps="cuda cuvid CUVIDH264PICPARAMS"

  2668. h264_cuvid_decoder_select="h264_mp4toannexb_bsf h264_cuvid_hwaccel"

  2669. h264_qsv_decoder_deps="libmfx"

  2670. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2671. h264_qsv_encoder_deps="libmfx"

  2672. h264_qsv_encoder_select="qsvenc"

  2673. h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"

  2674. h264_vaapi_encoder_select="vaapi_encode golomb"

  2675. 

  2676. hevc_cuvid_decoder_deps="cuda cuvid CUVIDHEVCPICPARAMS"

  2677. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf hevc_cuvid_hwaccel"

  2678. hevc_qsv_decoder_deps="libmfx"

  2679. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2680. hevc_qsv_encoder_deps="libmfx"

  2681. hevc_qsv_encoder_select="qsvenc"

  2682. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  2683. hevc_vaapi_encoder_select="vaapi_encode golomb"

  2684. mpeg2_qsv_decoder_deps="libmfx"

  2685. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2686. mpeg2_qsv_encoder_deps="libmfx"

  2687. mpeg2_qsv_encoder_select="qsvenc"

  2688. nvenc_h264_encoder_deps="nvenc"

  2689. nvenc_hevc_encoder_deps="nvenc"

  2690. 

  2691. vc1_cuvid_decoder_deps="cuda cuvid CUVIDVC1PICPARAMS"

  2692. vc1_cuvid_decoder_select="vc1_cuvid_hwaccel"

  2693. vp8_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2694. vp8_cuvid_decoder_select="vp8_cuvid_hwaccel"

  2695. vp9_cuvid_decoder_deps="cuda cuvid CUVIDVP9PICPARAMS"

  2696. vp9_cuvid_decoder_select="vp9_cuvid_hwaccel"

  2697. 

  2698. # parsers

  2699. h264_parser_select="golomb h264dsp"

  2700. hevc_parser_select="golomb"

  2701. mpegvideo_parser_select="mpegvideo"

  2702. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2703. vc1_parser_select="vc1dsp"

  2704. 

  2705. # bitstream_filters

  2706. mjpeg2jpeg_bsf_select="jpegtables"

  2707. 

  2708. # external libraries

  2709. aac_at_decoder_deps="audiotoolbox"

  2710. ac3_at_decoder_deps="audiotoolbox"

  2711. ac3_at_decoder_select="ac3_parser"

  2712. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  2713. alac_at_decoder_deps="audiotoolbox"

  2714. amr_nb_at_decoder_deps="audiotoolbox"

  2715. eac3_at_decoder_deps="audiotoolbox"

  2716. eac3_at_decoder_select="ac3_parser"

  2717. gsm_ms_at_decoder_deps="audiotoolbox"

  2718. ilbc_at_decoder_deps="audiotoolbox"

  2719. mp1_at_decoder_deps="audiotoolbox"

  2720. mp2_at_decoder_deps="audiotoolbox"

  2721. mp3_at_decoder_deps="audiotoolbox"

  2722. pcm_alaw_at_decoder_deps="audiotoolbox"

  2723. pcm_mulaw_at_decoder_deps="audiotoolbox"

  2724. qdmc_at_decoder_deps="audiotoolbox"

  2725. qdm2_at_decoder_deps="audiotoolbox"

  2726. aac_at_encoder_deps="audiotoolbox"

  2727. aac_at_encoder_select="audio_frame_queue"

  2728. alac_at_encoder_deps="audiotoolbox"

  2729. alac_at_encoder_select="audio_frame_queue"

  2730. ilbc_at_encoder_deps="audiotoolbox"

  2731. ilbc_at_encoder_select="audio_frame_queue"

  2732. pcm_alaw_at_encoder_deps="audiotoolbox"

  2733. pcm_alaw_at_encoder_select="audio_frame_queue"

  2734. pcm_mulaw_at_encoder_deps="audiotoolbox"

  2735. pcm_mulaw_at_encoder_select="audio_frame_queue"

  2736. chromaprint_muxer_deps="chromaprint"

  2737. h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"

  2738. libcelt_decoder_deps="libcelt"

  2739. libfaac_encoder_deps="libfaac"

  2740. libfaac_encoder_select="audio_frame_queue"

  2741. libfdk_aac_decoder_deps="libfdk_aac"

  2742. libfdk_aac_encoder_deps="libfdk_aac"

  2743. libfdk_aac_encoder_select="audio_frame_queue"

  2744. libgme_demuxer_deps="libgme"

  2745. libgsm_decoder_deps="libgsm"

  2746. libgsm_encoder_deps="libgsm"

  2747. libgsm_ms_decoder_deps="libgsm"

  2748. libgsm_ms_encoder_deps="libgsm"

  2749. libilbc_decoder_deps="libilbc"

  2750. libilbc_encoder_deps="libilbc"

  2751. libkvazaar_encoder_deps="libkvazaar"

  2752. libmodplug_demuxer_deps="libmodplug"

  2753. libmp3lame_encoder_deps="libmp3lame"

  2754. libmp3lame_encoder_select="audio_frame_queue"

  2755. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2756. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2757. libopencore_amrnb_encoder_select="audio_frame_queue"

  2758. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2759. libopenh264_encoder_deps="libopenh264"

  2760. libopenjpeg_decoder_deps="libopenjpeg"

  2761. libopenjpeg_encoder_deps="libopenjpeg"

  2762. libopus_decoder_deps="libopus"

  2763. libopus_encoder_deps="libopus"

  2764. libopus_encoder_select="audio_frame_queue"

  2765. libschroedinger_decoder_deps="libschroedinger"

  2766. libschroedinger_encoder_deps="libschroedinger"

  2767. libshine_encoder_deps="libshine"

  2768. libshine_encoder_select="audio_frame_queue"

  2769. libspeex_decoder_deps="libspeex"

  2770. libspeex_encoder_deps="libspeex"

  2771. libspeex_encoder_select="audio_frame_queue"

  2772. libtheora_encoder_deps="libtheora"

  2773. libtwolame_encoder_deps="libtwolame"

  2774. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2775. libvorbis_decoder_deps="libvorbis"

  2776. libvorbis_encoder_deps="libvorbis"

  2777. libvorbis_encoder_select="audio_frame_queue"

  2778. libvpx_vp8_decoder_deps="libvpx"

  2779. libvpx_vp8_encoder_deps="libvpx"

  2780. libvpx_vp9_decoder_deps="libvpx"

  2781. libvpx_vp9_encoder_deps="libvpx"

  2782. libwavpack_encoder_deps="libwavpack"

  2783. libwebp_encoder_deps="libwebp"

  2784. libwebp_anim_encoder_deps="libwebp"

  2785. libx262_encoder_deps="libx262"

  2786. libx264_encoder_deps="libx264"

  2787. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  2788. libx264rgb_encoder_select="libx264_encoder"

  2789. libx265_encoder_deps="libx265"

  2790. libxavs_encoder_deps="libxavs"

  2791. libxvid_encoder_deps="libxvid"

  2792. libzvbi_teletext_decoder_deps="libzvbi"

  2793. videotoolbox_deps="VideoToolbox_VideoToolbox_h"

  2794. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"

  2795. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  2796. videotoolbox_encoder_suggest="vda_framework vt_bt2020"

  2797. vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"

  2798. 

  2799. # demuxers / muxers

  2800. ac3_demuxer_select="ac3_parser"

  2801. asf_demuxer_select="riffdec"

  2802. asf_o_demuxer_select="riffdec"

  2803. asf_muxer_select="riffenc"

  2804. asf_stream_muxer_select="asf_muxer"

  2805. avi_demuxer_select="iso_media riffdec exif"

  2806. avi_muxer_select="riffenc"

  2807. avisynth_demuxer_deps="avisynth"

  2808. avisynth_demuxer_select="riffdec"

  2809. caf_demuxer_select="iso_media riffdec"

  2810. dash_muxer_select="mp4_muxer"

  2811. dirac_demuxer_select="dirac_parser"

  2812. dts_demuxer_select="dca_parser"

  2813. dtshd_demuxer_select="dca_parser"

  2814. dv_demuxer_select="dvprofile"

  2815. dv_muxer_select="dvprofile"

  2816. dxa_demuxer_select="riffdec"

  2817. eac3_demuxer_select="ac3_parser"

  2818. f4v_muxer_select="mov_muxer"

  2819. flac_demuxer_select="flac_parser"

  2820. hds_muxer_select="flv_muxer"

  2821. hls_muxer_select="mpegts_muxer"

  2822. image2_alias_pix_demuxer_select="image2_demuxer"

  2823. image2_brender_pix_demuxer_select="image2_demuxer"

  2824. ipod_muxer_select="mov_muxer"

  2825. ismv_muxer_select="mov_muxer"

  2826. libnut_demuxer_deps="libnut"

  2827. libnut_muxer_deps="libnut"

  2828. matroska_audio_muxer_select="matroska_muxer"

  2829. matroska_demuxer_select="iso_media riffdec"

  2830. matroska_demuxer_suggest="bzlib lzo zlib"

  2831. matroska_muxer_select="iso_media riffenc"

  2832. mmf_muxer_select="riffenc"

  2833. mov_demuxer_select="iso_media riffdec"

  2834. mov_demuxer_suggest="zlib"

  2835. mov_muxer_select="iso_media riffenc rtpenc_chain"

  2836. mp3_demuxer_select="mpegaudio_parser"

  2837. mp4_muxer_select="mov_muxer"

  2838. mpegts_demuxer_select="iso_media"

  2839. mpegts_muxer_select="adts_muxer latm_muxer"

  2840. mpegtsraw_demuxer_select="mpegts_demuxer"

  2841. mxf_d10_muxer_select="mxf_muxer"

  2842. mxf_opatom_muxer_select="mxf_muxer"

  2843. nut_muxer_select="riffenc"

  2844. nuv_demuxer_select="riffdec"

  2845. oga_muxer_select="ogg_muxer"

  2846. ogg_demuxer_select="dirac_parse"

  2847. opus_muxer_select="ogg_muxer"

  2848. psp_muxer_select="mov_muxer"

  2849. rtp_demuxer_select="sdp_demuxer"

  2850. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  2851. rtsp_demuxer_select="http_protocol rtpdec"

  2852. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2853. sap_demuxer_select="sdp_demuxer"

  2854. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2855. sdp_demuxer_select="rtpdec"

  2856. smoothstreaming_muxer_select="ismv_muxer"

  2857. spdif_muxer_select="aac_parser"

  2858. spx_muxer_select="ogg_muxer"

  2859. swf_demuxer_suggest="zlib"

  2860. tak_demuxer_select="tak_parser"

  2861. tg2_muxer_select="mov_muxer"

  2862. tgp_muxer_select="mov_muxer"

  2863. vobsub_demuxer_select="mpegps_demuxer"

  2864. w64_demuxer_select="wav_demuxer"

  2865. w64_muxer_select="wav_muxer"

  2866. wav_demuxer_select="riffdec"

  2867. wav_muxer_select="riffenc"

  2868. webm_muxer_select="iso_media riffenc"

  2869. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2870. wtv_demuxer_select="mpegts_demuxer riffdec"

  2871. wtv_muxer_select="mpegts_muxer riffenc"

  2872. xmv_demuxer_select="riffdec"

  2873. xwma_demuxer_select="riffdec"

  2874. 

  2875. # indevs / outdevs

  2876. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2877. alsa_outdev_deps="alsa_asoundlib_h"

  2878. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2879. avfoundation_indev_select="avfoundation"

  2880. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2881. caca_outdev_deps="libcaca"

  2882. decklink_indev_deps="decklink pthreads"

  2883. decklink_indev_extralibs="-lstdc++"

  2884. decklink_outdev_deps="decklink pthreads"

  2885. decklink_outdev_extralibs="-lstdc++"

  2886. dshow_indev_deps="IBaseFilter"

  2887. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2888. dv1394_indev_deps="dv1394"

  2889. dv1394_indev_select="dv_demuxer"

  2890. fbdev_indev_deps="linux_fb_h"

  2891. fbdev_outdev_deps="linux_fb_h"

  2892. gdigrab_indev_deps="CreateDIBSection"

  2893. gdigrab_indev_extralibs="-lgdi32"

  2894. gdigrab_indev_select="bmp_decoder"

  2895. iec61883_indev_deps="libiec61883"

  2896. jack_indev_deps="jack_jack_h"

  2897. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2898. lavfi_indev_deps="avfilter"

  2899. libcdio_indev_deps="libcdio"

  2900. libdc1394_indev_deps="libdc1394"

  2901. libv4l2_indev_deps="libv4l2"

  2902. openal_indev_deps="openal"

  2903. opengl_outdev_deps="opengl"

  2904. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2905. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2906. pulse_indev_deps="libpulse"

  2907. pulse_outdev_deps="libpulse"

  2908. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2909. qtkit_indev_select="qtkit"

  2910. sdl_outdev_deps="sdl"

  2911. sndio_indev_deps="sndio_h"

  2912. sndio_outdev_deps="sndio_h"

  2913. v4l_indev_deps="linux_videodev_h"

  2914. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2915. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2916. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2917. vfwcap_indev_extralibs="-lavicap32"

  2918. x11grab_indev_deps="x11grab"

  2919. x11grab_xcb_indev_deps="libxcb"

  2920. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2921. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2922. 

  2923. # protocols

  2924. async_protocol_deps="threads"

  2925. bluray_protocol_deps="libbluray"

  2926. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2927. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2928. ffrtmpcrypt_protocol_select="tcp_protocol"

  2929. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2930. ffrtmphttp_protocol_select="http_protocol"

  2931. ftp_protocol_select="tcp_protocol"

  2932. gopher_protocol_select="network"

  2933. http_protocol_select="tcp_protocol"

  2934. httpproxy_protocol_select="tcp_protocol"

  2935. https_protocol_select="tls_protocol"

  2936. icecast_protocol_select="http_protocol"

  2937. librtmp_protocol_deps="librtmp"

  2938. librtmpe_protocol_deps="librtmp"

  2939. librtmps_protocol_deps="librtmp"

  2940. librtmpt_protocol_deps="librtmp"

  2941. librtmpte_protocol_deps="librtmp"

  2942. libsmbclient_protocol_deps="libsmbclient gplv3"

  2943. libssh_protocol_deps="libssh"

  2944. mmsh_protocol_select="http_protocol"

  2945. mmst_protocol_select="network"

  2946. rtmp_protocol_deps="!librtmp_protocol"

  2947. rtmp_protocol_select="tcp_protocol"

  2948. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2949. rtmps_protocol_deps="!librtmp_protocol"

  2950. rtmps_protocol_select="tls_protocol"

  2951. rtmpt_protocol_select="ffrtmphttp_protocol"

  2952. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2953. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2954. rtp_protocol_select="udp_protocol"

  2955. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  2956. sctp_protocol_select="network"

  2957. srtp_protocol_select="rtp_protocol srtp"

  2958. tcp_protocol_select="network"

  2959. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2960. tls_gnutls_protocol_select="tcp_protocol"

  2961. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2962. tls_openssl_protocol_select="tcp_protocol"

  2963. tls_schannel_protocol_deps="schannel"

  2964. tls_schannel_protocol_select="tcp_protocol"

  2965. tls_securetransport_protocol_deps="securetransport"

  2966. tls_securetransport_protocol_select="tcp_protocol"

  2967. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2968. udp_protocol_select="network"

  2969. udplite_protocol_select="network"

  2970. unix_protocol_deps="sys_un_h"

  2971. unix_protocol_select="network"

  2972. 

  2973. # filters

  2974. afftfilt_filter_deps="avcodec"

  2975. afftfilt_filter_select="fft"

  2976. amovie_filter_deps="avcodec avformat"

  2977. aresample_filter_deps="swresample"

  2978. ass_filter_deps="libass"

  2979. asyncts_filter_deps="avresample"

  2980. atempo_filter_deps="avcodec"

  2981. atempo_filter_select="rdft"

  2982. azmq_filter_deps="libzmq"

  2983. blackframe_filter_deps="gpl"

  2984. boxblur_filter_deps="gpl"

  2985. bs2b_filter_deps="libbs2b"

  2986. colormatrix_filter_deps="gpl"

  2987. cover_rect_filter_deps="avcodec avformat gpl"

  2988. cropdetect_filter_deps="gpl"

  2989. delogo_filter_deps="gpl"

  2990. deshake_filter_select="pixelutils"

  2991. drawtext_filter_deps="libfreetype"

  2992. ebur128_filter_deps="gpl"

  2993. eq_filter_deps="gpl"

  2994. fftfilt_filter_deps="avcodec"

  2995. fftfilt_filter_select="rdft"

  2996. find_rect_filter_deps="avcodec avformat gpl"

  2997. firequalizer_filter_deps="avcodec"

  2998. firequalizer_filter_select="rdft"

  2999. flite_filter_deps="libflite"

  3000. framerate_filter_select="pixelutils"

  3001. frei0r_filter_deps="frei0r dlopen"

  3002. frei0r_src_filter_deps="frei0r dlopen"

  3003. fspp_filter_deps="gpl"

  3004. geq_filter_deps="gpl"

  3005. histeq_filter_deps="gpl"

  3006. hqdn3d_filter_deps="gpl"

  3007. interlace_filter_deps="gpl"

  3008. kerndeint_filter_deps="gpl"

  3009. ladspa_filter_deps="ladspa dlopen"

  3010. loudnorm_filter_deps="libebur128"

  3011. mcdeint_filter_deps="avcodec gpl"

  3012. movie_filter_deps="avcodec avformat"

  3013. mpdecimate_filter_deps="gpl"

  3014. mpdecimate_filter_select="pixelutils"

  3015. mptestsrc_filter_deps="gpl"

  3016. negate_filter_deps="lut_filter"

  3017. nnedi_filter_deps="gpl"

  3018. ocr_filter_deps="libtesseract"

  3019. ocv_filter_deps="libopencv"

  3020. owdenoise_filter_deps="gpl"

  3021. pan_filter_deps="swresample"

  3022. perspective_filter_deps="gpl"

  3023. phase_filter_deps="gpl"

  3024. pp7_filter_deps="gpl"

  3025. pp_filter_deps="gpl postproc"

  3026. pullup_filter_deps="gpl"

  3027. removelogo_filter_deps="avcodec avformat swscale"

  3028. repeatfields_filter_deps="gpl"

  3029. resample_filter_deps="avresample"

  3030. rubberband_filter_deps="librubberband"

  3031. sab_filter_deps="gpl swscale"

  3032. scale2ref_filter_deps="swscale"

  3033. scale_filter_deps="swscale"

  3034. select_filter_select="pixelutils"

  3035. showcqt_filter_deps="avcodec avformat swscale"

  3036. showcqt_filter_select="fft"

  3037. showfreqs_filter_deps="avcodec"

  3038. showfreqs_filter_select="fft"

  3039. showspectrum_filter_deps="avcodec"

  3040. showspectrum_filter_select="fft"

  3041. showspectrumpic_filter_deps="avcodec"

  3042. showspectrumpic_filter_select="fft"

  3043. smartblur_filter_deps="gpl swscale"

  3044. sofalizer_filter_deps="netcdf avcodec"

  3045. sofalizer_filter_select="fft"

  3046. spectrumsynth_filter_deps="avcodec"

  3047. spectrumsynth_filter_select="fft"

  3048. spp_filter_deps="gpl avcodec"

  3049. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3050. stereo3d_filter_deps="gpl"

  3051. subtitles_filter_deps="avformat avcodec libass"

  3052. super2xsai_filter_deps="gpl"

  3053. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3054. tinterlace_filter_deps="gpl"

  3055. tinterlace_merge_test_deps="tinterlace_filter"

  3056. tinterlace_pad_test_deps="tinterlace_filter"

  3057. uspp_filter_deps="gpl avcodec"

  3058. vidstabdetect_filter_deps="libvidstab"

  3059. vidstabtransform_filter_deps="libvidstab"

  3060. zmq_filter_deps="libzmq"

  3061. zoompan_filter_deps="swscale"

  3062. zscale_filter_deps="libzimg"

  3063. scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"

  3064. 

  3065. # examples

  3066. avcodec_example_deps="avcodec avutil"

  3067. avio_dir_cmd="avformat avutil"

  3068. avio_reading="avformat avcodec avutil"

  3069. decoding_encoding_example_deps="avcodec avformat avutil"

  3070. demuxing_decoding_example_deps="avcodec avformat avutil"

  3071. extract_mvs_example_deps="avcodec avformat avutil"

  3072. filter_audio_example_deps="avfilter avutil"

  3073. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3074. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3075. metadata_example_deps="avformat avutil"

  3076. muxing_example_deps="avcodec avformat avutil swscale"

  3077. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  3078. remuxing_example_deps="avcodec avformat avutil"

  3079. resampling_audio_example_deps="avutil swresample"

  3080. scaling_video_example_deps="avutil swscale"

  3081. transcode_aac_example_deps="avcodec avformat swresample"

  3082. transcoding_example_deps="avfilter avcodec avformat avutil"

  3083. 

  3084. # libraries, in linking order

  3085. avcodec_deps="avutil"

  3086. avdevice_deps="avformat avcodec avutil"

  3087. avfilter_deps="avutil"

  3088. avformat_deps="avcodec avutil"

  3089. avresample_deps="avutil"

  3090. postproc_deps="avutil gpl"

  3091. swresample_deps="avutil"

  3092. swscale_deps="avutil"

  3093. 

  3094. # programs

  3095. ffmpeg_deps="avcodec avfilter avformat swresample"

  3096. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3097.                null_filter

  3098.                setpts_filter trim_filter"

  3099. ffplay_deps="avcodec avformat swscale swresample sdl"

  3100. ffplay_libs='$sdl_libs'

  3101. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3102. ffprobe_deps="avcodec avformat"

  3103. ffserver_deps="avformat fork sarestart"

  3104. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  3105. 

  3106. # documentation

  3107. podpages_deps="perl"

  3108. manpages_deps="perl pod2man"

  3109. htmlpages_deps="perl"

  3110. htmlpages_deps_any="makeinfo_html texi2html"

  3111. txtpages_deps="perl makeinfo"

  3112. doc_deps_any="manpages htmlpages podpages txtpages"

  3113. 

  3114. # default parameters

  3115. 

  3116. logfile="config.log"

  3117. 

  3118. # installation paths

  3119. prefix_default="/usr/local"

  3120. bindir_default='${prefix}/bin'

  3121. datadir_default='${prefix}/share/ffmpeg'

  3122. docdir_default='${prefix}/share/doc/ffmpeg'

  3123. incdir_default='${prefix}/include'

  3124. libdir_default='${prefix}/lib'

  3125. mandir_default='${prefix}/share/man'

  3126. 

  3127. # toolchain

  3128. ar_default="ar"

  3129. cc_default="gcc"

  3130. cxx_default="g++"

  3131. host_cc_default="gcc"

  3132. cp_f="cp -f"

  3133. doxygen_default="doxygen"

  3134. install="install"

  3135. ln_s_default="ln -s -f"

  3136. nm_default="nm -g"

  3137. objformat="elf"

  3138. pkg_config_default=pkg-config

  3139. ranlib_default="ranlib"

  3140. strip_default="strip"

  3141. yasmexe_default="yasm"

  3142. windres_default="windres"

  3143. 

  3144. # OS

  3145. target_os_default=$(tolower $(uname -s))

  3146. host_os=$target_os_default

  3147. 

  3148. # machine

  3149. if test "$target_os_default" = aix; then

  3150.     arch_default=$(uname -p)

  3151.     strip_default="strip -X32_64"

  3152. else

  3153.     arch_default=$(uname -m)

  3154. fi

  3155. cpu="generic"

  3156. intrinsics="none"

  3157. 

  3158. # configurable options

  3159. enable $PROGRAM_LIST

  3160. enable $DOCUMENT_LIST

  3161. enable $EXAMPLE_LIST

  3162. enable $(filter_out avresample $LIBRARY_LIST)

  3163. enable stripping

  3164. 

  3165. enable asm

  3166. enable debug

  3167. enable doc

  3168. enable faan faandct faanidct

  3169. enable optimizations

  3170. enable runtime_cpudetect

  3171. enable safe_bitstream_reader

  3172. enable static

  3173. enable swscale_alpha

  3174. enable valgrind_backtrace

  3175. 

  3176. sws_max_filter_size_default=256

  3177. set_default sws_max_filter_size

  3178. 

  3179. # Enable platform codecs by default.

  3180. enable audiotoolbox

  3181. 

  3182. # Enable hwaccels by default.

  3183. enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc

  3184. enable xlib

  3185. 

  3186. enable vda_framework videotoolbox videotoolbox_encoder

  3187. 

  3188. # build settings

  3189. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3190. LIBPREF="lib"

  3191. LIBSUF=".a"

  3192. FULLNAME='$(NAME)$(BUILDSUF)'

  3193. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3194. SLIBPREF="lib"

  3195. SLIBSUF=".so"

  3196. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3197. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3198. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3199. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3200. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3201. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3202. 

  3203. asflags_filter=echo

  3204. cflags_filter=echo

  3205. ldflags_filter=echo

  3206. 

  3207. AS_C='-c'

  3208. AS_O='-o $@'

  3209. CC_C='-c'

  3210. CC_E='-E -o $@'

  3211. CC_O='-o $@'

  3212. CXX_C='-c'

  3213. CXX_O='-o $@'

  3214. OBJCC_C='-c'

  3215. OBJCC_E='-E -o $@'

  3216. OBJCC_O='-o $@'

  3217. LD_O='-o $@'

  3218. LD_LIB='-l%'

  3219. LD_PATH='-L'

  3220. HOSTCC_C='-c'

  3221. HOSTCC_E='-E -o $@'

  3222. HOSTCC_O='-o $@'

  3223. HOSTLD_O='-o $@'

  3224. 

  3225. host_libs='-lm'

  3226. host_cflags_filter=echo

  3227. host_ldflags_filter=echo

  3228. 

  3229. target_path='$(CURDIR)'

  3230. 

  3231. # since the object filename is not given with the -MM flag, the compiler

  3232. # is only able to print the basename, and we must add the path ourselves

  3233. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3234. DEPFLAGS='-MM'

  3235. 

  3236. # find source path

  3237. if test -f configure; then

  3238.     source_path=.

  3239. else

  3240.     source_path=$(cd $(dirname "$0"); pwd)

  3241.     case "$source_path" in

  3242.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3243.     esac

  3244.     test -e "$source_path/config.h" &&

  3245.         die "Out of tree builds are impossible with config.h in source dir."

  3246. fi

  3247. 

  3248. for v in "$@"; do

  3249.     r=${v#*=}

  3250.     l=${v%"$r"}

  3251.     r=$(sh_quote "$r")

  3252.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3253. done

  3254. 

  3255. find_things(){

  3256.     thing=$1

  3257.     pattern=$2

  3258.     file=$source_path/$3

  3259.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3260. }

  3261. 

  3262. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3263. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3264. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3265. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3266. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3267. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3268. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3269. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3270. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3271. 

  3272. find_things_extern(){

  3273.     thing=$1

  3274.     pattern=$2

  3275.     file=$source_path/$3

  3276.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3277. }

  3278. 

  3279. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3280. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3281. 

  3282. ALL_COMPONENTS="

  3283.     $BSF_LIST

  3284.     $DECODER_LIST

  3285.     $DEMUXER_LIST

  3286.     $ENCODER_LIST

  3287.     $FILTER_LIST

  3288.     $HWACCEL_LIST

  3289.     $INDEV_LIST

  3290.     $MUXER_LIST

  3291.     $OUTDEV_LIST

  3292.     $PARSER_LIST

  3293.     $PROTOCOL_LIST

  3294. "

  3295. 

  3296. for n in $COMPONENT_LIST; do

  3297.     v=$(toupper ${n%s})_LIST

  3298.     eval enable \$$v

  3299.     eval ${n}_if_any="\$$v"

  3300. done

  3301. 

  3302. enable $ARCH_EXT_LIST

  3303. 

  3304. die_unknown(){

  3305.     echo "Unknown option \"$1\"."

  3306.     echo "See $0 --help for available options."

  3307.     exit 1

  3308. }

  3309. 

  3310. print_in_columns() {

  3311.     cols=$(expr $ncols / 24)

  3312.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3313. }

  3314. 

  3315. show_list() {

  3316.     suffix=_$1

  3317.     shift

  3318.     echo $* | sed s/$suffix//g | print_in_columns

  3319.     exit 0

  3320. }

  3321. 

  3322. rand_list(){

  3323.     IFS=', '

  3324.     set -- $*

  3325.     unset IFS

  3326.     for thing; do

  3327.         comp=${thing%:*}

  3328.         prob=${thing#$comp}

  3329.         prob=${prob#:}

  3330.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3331.         echo "prob ${prob:-0.5}"

  3332.         printf '%s\n' $comp

  3333.     done

  3334. }

  3335. 

  3336. do_random(){

  3337.     action=$1

  3338.     shift

  3339.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3340.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3341. }

  3342. 

  3343. for opt do

  3344.     optval="${opt#*=}"

  3345.     case "$opt" in

  3346.         --extra-ldflags=*)

  3347.             add_ldflags $optval

  3348.         ;;

  3349.         --extra-ldexeflags=*)

  3350.             add_ldexeflags $optval

  3351.         ;;

  3352.         --extra-ldlibflags=*)

  3353.             add_ldlibflags $optval

  3354.         ;;

  3355.         --extra-libs=*)

  3356.             add_extralibs $optval

  3357.         ;;

  3358.         --disable-devices)

  3359.             disable $INDEV_LIST $OUTDEV_LIST

  3360.         ;;

  3361.         --enable-debug=*)

  3362.             debuglevel="$optval"

  3363.         ;;

  3364.         --disable-programs)

  3365.             disable $PROGRAM_LIST

  3366.         ;;

  3367.         --disable-everything)

  3368.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3369.         ;;

  3370.         --disable-all)

  3371.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3372.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3373.             enable avutil

  3374.         ;;

  3375.         --enable-random|--disable-random)

  3376.             action=${opt%%-random}

  3377.             do_random ${action#--} $COMPONENT_LIST

  3378.         ;;

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

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

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

  3382.         ;;

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

  3384.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3385.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3386.             eval list=\$$(toupper $thing)_LIST

  3387.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3388.             list=$(filter "$name" $list)

  3389.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3390.             $action $list

  3391.         ;;

  3392.         --enable-?*|--disable-?*)

  3393.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3394.             if is_in $option $COMPONENT_LIST; then

  3395.                 test $action = disable && action=unset

  3396.                 eval $action \$$(toupper ${option%s})_LIST

  3397.             elif is_in $option $CMDLINE_SELECT; then

  3398.                 $action $option

  3399.             else

  3400.                 die_unknown $opt

  3401.             fi

  3402.         ;;

  3403.         --list-*)

  3404.             NAME="${opt#--list-}"

  3405.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3406.             NAME=${NAME%s}

  3407.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3408.         ;;

  3409.         --help|-h) show_help

  3410.         ;;

  3411.         --fatal-warnings) enable fatal_warnings

  3412.         ;;

  3413.         *)

  3414.             optname="${opt%%=*}"

  3415.             optname="${optname#--}"

  3416.             optname=$(echo "$optname" | sed 's/-/_/g')

  3417.             if is_in $optname $CMDLINE_SET; then

  3418.                 eval $optname='$optval'

  3419.             elif is_in $optname $CMDLINE_APPEND; then

  3420.                 append $optname "$optval"

  3421.             else

  3422.                 die_unknown $opt

  3423.             fi

  3424.         ;;

  3425.     esac

  3426. done

  3427. 

  3428. for e in $env; do

  3429.     eval "export $e"

  3430. done

  3431. 

  3432. disabled logging && logfile=/dev/null

  3433. 

  3434. # Disable all the library-specific components if the library itself

  3435. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3436. 

  3437. disable_components(){

  3438.     disabled ${1} && disable $(

  3439.         eval components="\$$(toupper ${1})_COMPONENTS"

  3440.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3441.     )

  3442. }

  3443. 

  3444. map 'disable_components $v' $LIBRARY_LIST

  3445. 

  3446. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3447. set >> $logfile

  3448. 

  3449. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3450. 

  3451. case "$toolchain" in

  3452.     *-asan)

  3453.         cc_default="${toolchain%-asan}"

  3454.         add_cflags  -fsanitize=address

  3455.         add_ldflags -fsanitize=address

  3456.     ;;

  3457.     *-msan)

  3458.         cc_default="${toolchain%-msan}"

  3459.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  3460.         add_ldflags -fsanitize=memory

  3461.     ;;

  3462.     *-tsan)

  3463.         cc_default="${toolchain%-tsan}"

  3464.         add_cflags  -fsanitize=thread -pie

  3465.         add_ldflags -fsanitize=thread -pie

  3466.         case "$toolchain" in

  3467.             gcc-tsan)

  3468.                 add_cflags  -fPIC

  3469.                 add_ldflags -fPIC

  3470.                 ;;

  3471.         esac

  3472.     ;;

  3473.     *-usan)

  3474.         cc_default="${toolchain%-usan}"

  3475.         add_cflags  -fsanitize=undefined

  3476.         add_ldflags -fsanitize=undefined

  3477.     ;;

  3478.     valgrind-*)

  3479.         target_exec_default="valgrind"

  3480.         case "$toolchain" in

  3481.             valgrind-massif)

  3482.                 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"

  3483.                 ;;

  3484.             valgrind-memcheck)

  3485.                 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"

  3486.                 ;;

  3487.         esac

  3488.     ;;

  3489.     msvc)

  3490.         # Check whether the current MSVC version needs the C99 converter.

  3491.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3492.         # support enough of C99 to build ffmpeg. Default to the new

  3493.         # behaviour if the regexp was unable to match anything, since this

  3494.         # successfully parses the version number of existing supported

  3495.         # versions that require the converter (MSVC 2010 and 2012).

  3496.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3497.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3498.             cc_default="cl"

  3499.         else

  3500.             cc_default="c99wrap cl"

  3501.         fi

  3502.         ld_default="$source_path/compat/windows/mslink"

  3503.         nm_default="dumpbin -symbols"

  3504.         ar_default="lib"

  3505.         case "$arch" in

  3506.         arm*)

  3507.             as_default="armasm"

  3508.             ;;

  3509.         esac

  3510.         target_os_default="win32"

  3511.         # Use a relative path for TMPDIR. This makes sure all the

  3512.         # ffconf temp files are written with a relative path, avoiding

  3513.         # issues with msys/win32 path conversion for MSVC parameters

  3514.         # such as -Fo<file> or -out:<file>.

  3515.         TMPDIR=.

  3516.     ;;

  3517.     icl)

  3518.         cc_default="icl"

  3519.         ld_default="xilink"

  3520.         nm_default="dumpbin -symbols"

  3521.         ar_default="xilib"

  3522.         target_os_default="win32"

  3523.         TMPDIR=.

  3524.     ;;

  3525.     gcov)

  3526.         add_cflags  -fprofile-arcs -ftest-coverage

  3527.         add_ldflags -fprofile-arcs -ftest-coverage

  3528.     ;;

  3529.     llvm-cov)

  3530.         add_cflags -fprofile-arcs -ftest-coverage

  3531.         add_ldflags --coverage

  3532.     ;;

  3533.     hardened)

  3534.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3535.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3536.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3537.     ;;

  3538.     ?*)

  3539.         die "Unknown toolchain $toolchain"

  3540.     ;;

  3541. esac

  3542. 

  3543. test -n "$cross_prefix" && enable cross_compile

  3544. 

  3545. if enabled cross_compile; then

  3546.     test -n "$arch" && test -n "$target_os" ||

  3547.         die "Must specify target arch and OS when cross-compiling"

  3548. fi

  3549. 

  3550. ar_default="${cross_prefix}${ar_default}"

  3551. cc_default="${cross_prefix}${cc_default}"

  3552. cxx_default="${cross_prefix}${cxx_default}"

  3553. nm_default="${cross_prefix}${nm_default}"

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

  3555. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3556.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3557. else

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

  3559. fi

  3560. strip_default="${cross_prefix}${strip_default}"

  3561. windres_default="${cross_prefix}${windres_default}"

  3562. 

  3563. sysinclude_default="${sysroot}/usr/include"

  3564. 

  3565. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3566.     target_exec target_os yasmexe

  3567. enabled cross_compile || host_cc_default=$cc

  3568. set_default host_cc

  3569. 

  3570. pkg_config_fail_message=""

  3571. if ! $pkg_config --version >/dev/null 2>&1; then

  3572.     warn "$pkg_config not found, library detection may fail."

  3573.     pkg_config=false

  3574. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3575.     pkg_config_fail_message="

  3576. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3577. fi

  3578. 

  3579. if test $doxygen != $doxygen_default && \

  3580.   ! $doxygen --version >/dev/null 2>&1; then

  3581.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3582. fi

  3583. 

  3584. exesuf() {

  3585.     case $1 in

  3586.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3587.     esac

  3588. }

  3589. 

  3590. EXESUF=$(exesuf $target_os)

  3591. HOSTEXESUF=$(exesuf $host_os)

  3592. 

  3593. # set temporary file name

  3594. : ${TMPDIR:=$TEMPDIR}

  3595. : ${TMPDIR:=$TMP}

  3596. : ${TMPDIR:=/tmp}

  3597. 

  3598. if [ -n "$tempprefix" ] ; then

  3599.     mktemp(){

  3600.         echo $tempprefix.${HOSTNAME}.${UID}

  3601.     }

  3602. elif ! check_cmd mktemp -u XXXXXX; then

  3603.     # simple replacement for missing mktemp

  3604.     # NOT SAFE FOR GENERAL USE

  3605.     mktemp(){

  3606.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3607.     }

  3608. fi

  3609. 

  3610. tmpfile(){

  3611.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3612.         (set -C; exec > $tmp) 2>/dev/null ||

  3613.         die "Unable to create temporary file in $TMPDIR."

  3614.     append TMPFILES $tmp

  3615.     eval $1=$tmp

  3616. }

  3617. 

  3618. trap 'rm -f -- $TMPFILES' EXIT

  3619. 

  3620. tmpfile TMPASM .asm

  3621. tmpfile TMPC   .c

  3622. tmpfile TMPCPP .cpp

  3623. tmpfile TMPE   $EXESUF

  3624. tmpfile TMPH   .h

  3625. tmpfile TMPM   .m

  3626. tmpfile TMPO   .o

  3627. tmpfile TMPS   .S

  3628. tmpfile TMPSH  .sh

  3629. tmpfile TMPV   .ver

  3630. 

  3631. unset -f mktemp

  3632. 

  3633. chmod +x $TMPE

  3634. 

  3635. # make sure we can execute files in $TMPDIR

  3636. cat > $TMPSH 2>> $logfile <<EOF

  3637. #! /bin/sh

  3638. EOF

  3639. chmod +x $TMPSH >> $logfile 2>&1

  3640. if ! $TMPSH >> $logfile 2>&1; then

  3641.     cat <<EOF

  3642. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3643. variable to another directory and make sure that it is not mounted noexec.

  3644. EOF

  3645.     die "Sanity test failed."

  3646. fi

  3647. 

  3648. armasm_flags(){

  3649.     for flag; do

  3650.         case $flag in

  3651.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3652.             # be passed to gas-preprocessor

  3653.             -M[TD]*)                                            ;;

  3654.             *)                  echo $flag                      ;;

  3655.         esac

  3656.    done

  3657. }

  3658. 

  3659. ccc_flags(){

  3660.     for flag; do

  3661.         case $flag in

  3662.             -std=c99)           echo -c99                       ;;

  3663.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3664.             -mieee)             echo -ieee                      ;;

  3665.             -O*|-fast)          echo $flag                      ;;

  3666.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3667.             -g)                 echo -g3                        ;;

  3668.             -Wall)              echo -msg_enable level2         ;;

  3669.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3670.             -Wl,*)              echo $flag                      ;;

  3671.             -f*|-W*)                                            ;;

  3672.             *)                  echo $flag                      ;;

  3673.         esac

  3674.    done

  3675. }

  3676. 

  3677. cparser_flags(){

  3678.     for flag; do

  3679.         case $flag in

  3680.             -Wno-switch)             echo -Wno-switch-enum ;;

  3681.             -Wno-format-zero-length) ;;

  3682.             -Wdisabled-optimization) ;;

  3683.             -Wno-pointer-sign)       echo -Wno-other ;;

  3684.             *)                       echo $flag ;;

  3685.         esac

  3686.     done

  3687. }

  3688. 

  3689. msvc_common_flags(){

  3690.     for flag; do

  3691.         case $flag in

  3692.             # In addition to specifying certain flags under the compiler

  3693.             # specific filters, they must be specified here as well or else the

  3694.             # generic catch all at the bottom will print the original flag.

  3695.             -Wall)                ;;

  3696.             -std=c99)             ;;

  3697.             # Common flags

  3698.             -fomit-frame-pointer) ;;

  3699.             -g)                   echo -Z7 ;;

  3700.             -fno-math-errno)      ;;

  3701.             -fno-common)          ;;

  3702.             -fno-signed-zeros)    ;;

  3703.             -fPIC)                ;;

  3704.             -mthumb)              ;;

  3705.             -march=*)             ;;

  3706.             -lz)                  echo zlib.lib ;;

  3707.             -lavifil32)           echo vfw32.lib ;;

  3708.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3709.             -lx264)               echo libx264.lib ;;

  3710.             -l*)                  echo ${flag#-l}.lib ;;

  3711.             -LARGEADDRESSAWARE)   echo $flag ;;

  3712.             -L*)                  echo -libpath:${flag#-L} ;;

  3713.             *)                    echo $flag ;;

  3714.         esac

  3715.     done

  3716. }

  3717. 

  3718. msvc_flags(){

  3719.     msvc_common_flags "$@"

  3720.     for flag; do

  3721.         case $flag in

  3722.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3723.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3724.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3725.                                        -wd4307 \

  3726.                                        -wd4273 -wd4554 -wd4701 ;;

  3727.         esac

  3728.     done

  3729. }

  3730. 

  3731. icl_flags(){

  3732.     msvc_common_flags "$@"

  3733.     for flag; do

  3734.         case $flag in

  3735.             # Despite what Intel's documentation says -Wall, which is supported

  3736.             # on Windows, does enable remarks so disable them here.

  3737.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3738.             -std=c99)             echo -Qstd=c99 ;;

  3739.             -flto)                echo -ipo ;;

  3740.         esac

  3741.     done

  3742. }

  3743. 

  3744. icc_flags(){

  3745.     for flag; do

  3746.         case $flag in

  3747.             -flto)                echo -ipo ;;

  3748.             *)                    echo $flag ;;

  3749.         esac

  3750.     done

  3751. }

  3752. 

  3753. pgi_flags(){

  3754.     for flag; do

  3755.         case $flag in

  3756.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3757.             -fomit-frame-pointer) echo -Mnoframe ;;

  3758.             -g)                   echo -gopt ;;

  3759.             *)                    echo $flag ;;

  3760.         esac

  3761.     done

  3762. }

  3763. 

  3764. suncc_flags(){

  3765.     for flag; do

  3766.         case $flag in

  3767.             -march=*|-mcpu=*)

  3768.                 case "${flag#*=}" in

  3769.                     native)                   echo -xtarget=native       ;;

  3770.                     v9|niagara)               echo -xarch=sparc          ;;

  3771.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3772.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3773.                     i586|pentium)             echo -xchip=pentium        ;;

  3774.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3775.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3776.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3777.                     pentium4*)          echo -xtarget=pentium4           ;;

  3778.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3779.                     *-sse3)             echo -xarch=sse3                 ;;

  3780.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3781.                     bonnell)                   echo -xarch=ssse3         ;;

  3782.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3783.                     westmere)                  echo -xtarget=westmere    ;;

  3784.                     silvermont)                echo -xarch=sse4_2        ;;

  3785.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3786.                     core-avx*|ivybridge|haswell|broadwell)

  3787.                                                echo -xarch=avx           ;;

  3788.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3789.                     btver1)                    echo -xarch=amdsse4a      ;;

  3790.                     btver2|bdver*)             echo -xarch=avx           ;;

  3791.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3792.                     k8|opteron|athlon64|athlon-fx)

  3793.                                                echo -xarch=sse2a         ;;

  3794.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3795.                 esac

  3796.                 ;;

  3797.             -std=c99)             echo -xc99              ;;

  3798.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3799.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3800.             -W*,*)                echo $flag              ;;

  3801.             -f*-*|-W*|-mimpure-text)                      ;;

  3802.             -shared)              echo -G                 ;;

  3803.             *)                    echo $flag              ;;

  3804.         esac

  3805.     done

  3806. }

  3807. 

  3808. tms470_flags(){

  3809.     for flag; do

  3810.         case $flag in

  3811.             -march=*|-mcpu=*)

  3812.                 case "${flag#*=}" in

  3813.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3814.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3815.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3816.                     armv6*|arm11*)          echo -mv=6   ;;

  3817.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3818.                                             echo -mv=5e  ;;

  3819.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3820.                 esac

  3821.                 ;;

  3822.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3823.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3824.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3825.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3826.             -msoft-float)   echo --float_support=vfplib       ;;

  3827.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3828.             -g)             echo -g -mn                       ;;

  3829.             -pds=*)         echo $flag                        ;;

  3830.             -D*|-I*)        echo $flag                        ;;

  3831.             --gcc|--abi=*)  echo $flag                        ;;

  3832.             -me)            echo $flag                        ;;

  3833.         esac

  3834.     done

  3835. }

  3836. 

  3837. probe_cc(){

  3838.     pfx=$1

  3839.     _cc=$2

  3840.     first=$3

  3841. 

  3842.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3843.     unset _ld_o _ldflags _ld_lib _ld_path

  3844.     unset _depflags _DEPCMD _DEPFLAGS

  3845.     _flags_filter=echo

  3846. 

  3847.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3848.         true # no-op to avoid reading stdin in following checks

  3849.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3850.         _type=llvm_gcc

  3851.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3852.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3853.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3854.         _cflags_speed='-O3'

  3855.         _cflags_size='-Os'

  3856.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3857.         _type=gcc

  3858.         gcc_version=$($_cc --version | head -n1)

  3859.         gcc_basever=$($_cc -dumpversion)

  3860.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3861.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3862.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3863.         case $gcc_basever in

  3864.             2) ;;

  3865.             2.*) ;;

  3866.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3867.         esac

  3868.         if [ "$first" = true ]; then

  3869.             case $gcc_basever in

  3870.                 4.2*)

  3871.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3872.             esac

  3873.         fi

  3874.         _cflags_speed='-O3'

  3875.         _cflags_size='-Os'

  3876.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3877.         _type=icc

  3878.         _ident=$($_cc --version | head -n1)

  3879.         _depflags='-MMD'

  3880.         _cflags_speed='-O3'

  3881.         _cflags_size='-Os'

  3882.         _cflags_noopt='-O1'

  3883.         _flags_filter=icc_flags

  3884.     elif $_cc -v 2>&1 | grep -q xlc; then

  3885.         _type=xlc

  3886.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3887.         _cflags_speed='-O5'

  3888.         _cflags_size='-O5 -qcompact'

  3889.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3890.         _type=ccc

  3891.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3892.         _DEPFLAGS='-M'

  3893.         _cflags_speed='-fast'

  3894.         _cflags_size='-O1'

  3895.         _flags_filter=ccc_flags

  3896.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3897.         test -d "$sysroot" || die "No valid sysroot specified."

  3898.         _type=armcc

  3899.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3900.         armcc_conf="$PWD/armcc.conf"

  3901.         $_cc --arm_linux_configure                 \

  3902.              --arm_linux_config_file="$armcc_conf" \

  3903.              --configure_sysroot="$sysroot"        \

  3904.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3905.              die "Error creating armcc configuration file."

  3906.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3907.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3908.         as_default="${cross_prefix}gcc"

  3909.         _depflags='-MMD'

  3910.         _cflags_speed='-O3'

  3911.         _cflags_size='-Os'

  3912.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3913.         _type=tms470

  3914.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3915.         _flags='--gcc --abi=eabi -me'

  3916.         _cc_e='-ppl -fe=$@'

  3917.         _cc_o='-fe=$@'

  3918.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3919.         _cflags_speed='-O3 -mf=5'

  3920.         _cflags_size='-O3 -mf=2'

  3921.         _flags_filter=tms470_flags

  3922.     elif $_cc -v 2>&1 | grep -q clang; then

  3923.         _type=clang

  3924.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3925.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3926.         _cflags_speed='-O3'

  3927.         _cflags_size='-Os'

  3928.     elif $_cc -V 2>&1 | grep -q Sun; then

  3929.         _type=suncc

  3930.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3931.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3932.         _DEPFLAGS='-xM1 -xc99'

  3933.         _ldflags='-std=c99'

  3934.         _cflags_speed='-O5'

  3935.         _cflags_size='-O5 -xspace'

  3936.         _flags_filter=suncc_flags

  3937.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3938.         _type=pathscale

  3939.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3940.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3941.         _cflags_speed='-O2'

  3942.         _cflags_size='-Os'

  3943.         _flags_filter='filter_out -Wdisabled-optimization'

  3944.     elif $_cc -v 2>&1 | grep -q Open64; then

  3945.         _type=open64

  3946.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3947.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3948.         _cflags_speed='-O2'

  3949.         _cflags_size='-Os'

  3950.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3951.     elif $_cc -V 2>&1 | grep -q Portland; then

  3952.         _type=pgi

  3953.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3954.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3955.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3956.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3957.         _cflags_noopt="-O"

  3958.         _flags_filter=pgi_flags

  3959.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3960.         _type=armasm

  3961.         _ident=$($_cc | head -n1)

  3962.         # 4509: "This form of conditional instruction is deprecated"

  3963.         _flags="-nologo -ignore 4509"

  3964.         _flags_filter=armasm_flags

  3965.     elif $_cc 2>&1 | grep -q Intel; then

  3966.         _type=icl

  3967.         _ident=$($_cc 2>&1 | head -n1)

  3968.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3969.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3970.         # versions (tested) as well.

  3971.         _cflags_speed="-O2"

  3972.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3973.         if $_cc 2>&1 | grep -q Linker; then

  3974.             _ld_o='-out:$@'

  3975.         else

  3976.             _ld_o='-Fe$@'

  3977.         fi

  3978.         _cc_o='-Fo$@'

  3979.         _cc_e='-P'

  3980.         _flags_filter=icl_flags

  3981.         _ld_lib='lib%.a'

  3982.         _ld_path='-libpath:'

  3983.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3984.         _flags='-nologo -Qdiag-error:4044,10157'

  3985.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3986.         # with MSVC which enables it by default.

  3987.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3988.         disable stripping

  3989.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3990.         _type=msvc

  3991.         _ident=$($_cc 2>&1 | head -n1)

  3992.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3993.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3994.         _cflags_speed="-O2"

  3995.         _cflags_size="-O1"

  3996.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3997.             _ld_o='-out:$@'

  3998.         else

  3999.             _ld_o='-Fe$@'

  4000.         fi

  4001.         _cc_o='-Fo$@'

  4002.         _cc_e='-P -Fi$@'

  4003.         _flags_filter=msvc_flags

  4004.         _ld_lib='lib%.a'

  4005.         _ld_path='-libpath:'

  4006.         _flags='-nologo'

  4007.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  4008.         disable stripping

  4009.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4010.         _type=cparser

  4011.         _ident=$($_cc --version | head -n1)

  4012.         _depflags='-MMD'

  4013.         _cflags_speed='-O4'

  4014.         _cflags_size='-O2'

  4015.         _flags_filter=cparser_flags

  4016.     fi

  4017. 

  4018.     eval ${pfx}_type=\$_type

  4019.     eval ${pfx}_ident=\$_ident

  4020. }

  4021. 

  4022. set_ccvars(){

  4023.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4024.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4025.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4026. 

  4027.     if [ -n "$_depflags" ]; then

  4028.         eval ${1}_DEPFLAGS=\$_depflags

  4029.     else

  4030.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4031.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4032.         eval DEP${1}FLAGS=\$_flags

  4033.     fi

  4034. }

  4035. 

  4036. probe_cc cc "$cc" "true"

  4037. cflags_filter=$_flags_filter

  4038. cflags_speed=$_cflags_speed

  4039. cflags_size=$_cflags_size

  4040. cflags_noopt=$_cflags_noopt

  4041. add_cflags $_flags $_cflags

  4042. cc_ldflags=$_ldflags

  4043. set_ccvars CC

  4044. 

  4045. probe_cc hostcc "$host_cc"

  4046. host_cflags_filter=$_flags_filter

  4047. add_host_cflags  $_flags $_cflags

  4048. set_ccvars HOSTCC

  4049. 

  4050. test -n "$cc_type" && enable $cc_type ||

  4051.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4052. 

  4053. : ${as_default:=$cc}

  4054. : ${objcc_default:=$cc}

  4055. : ${dep_cc_default:=$cc}

  4056. : ${ld_default:=$cc}

  4057. : ${host_ld_default:=$host_cc}

  4058. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4059. 

  4060. probe_cc as "$as"

  4061. asflags_filter=$_flags_filter

  4062. add_asflags $_flags $_cflags

  4063. set_ccvars AS

  4064. 

  4065. probe_cc objcc "$objcc"

  4066. objcflags_filter=$_flags_filter

  4067. add_objcflags $_flags $_cflags

  4068. set_ccvars OBJC

  4069. 

  4070. probe_cc ld "$ld"

  4071. ldflags_filter=$_flags_filter

  4072. add_ldflags $_flags $_ldflags

  4073. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4074. LD_O=${_ld_o-$LD_O}

  4075. LD_LIB=${_ld_lib-$LD_LIB}

  4076. LD_PATH=${_ld_path-$LD_PATH}

  4077. 

  4078. probe_cc hostld "$host_ld"

  4079. host_ldflags_filter=$_flags_filter

  4080. add_host_ldflags $_flags $_ldflags

  4081. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4082. 

  4083. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4084.     probe_cc depcc "$dep_cc"

  4085.     CCDEP=${_DEPCMD:-$DEPCMD}

  4086.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4087.     DEPCCFLAGS=$_flags

  4088. fi

  4089. 

  4090. if $ar 2>&1 | grep -q Microsoft; then

  4091.     arflags="-nologo"

  4092.     ar_o='-out:$@'

  4093. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  4094.     arflags="rq"

  4095.     ar_o='$@'

  4096. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  4097.     arflags='-Xany -r -c'

  4098.     ar_o='$@'

  4099. elif $ar 2>&1 | grep -q "\[D\] "; then

  4100.     arflags="rcD"

  4101.     ar_o='$@'

  4102. else

  4103.     arflags="rc"

  4104.     ar_o='$@'

  4105. fi

  4106. 

  4107. add_cflags $extra_cflags

  4108. add_cxxflags $extra_cxxflags

  4109. add_objcflags $extra_objcflags

  4110. add_asflags $extra_cflags

  4111. 

  4112. if test -n "$sysroot"; then

  4113.     case "$cc_type" in

  4114.         gcc|llvm_gcc|clang)

  4115.             add_cppflags --sysroot="$sysroot"

  4116.             add_ldflags --sysroot="$sysroot"

  4117. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  4118.             add_cppflags -isysroot "$sysroot"

  4119.             add_ldflags -isysroot "$sysroot"

  4120.         ;;

  4121.         tms470)

  4122.             add_cppflags -I"$sysinclude"

  4123.             add_ldflags  --sysroot="$sysroot"

  4124.         ;;

  4125.     esac

  4126. fi

  4127. 

  4128. if test "$cpu" = host; then

  4129.     enabled cross_compile &&

  4130.         die "--cpu=host makes no sense when cross-compiling."

  4131. 

  4132.     case "$cc_type" in

  4133.         gcc|llvm_gcc)

  4134.             check_native(){

  4135.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4136.                 sed -n "/cc1.*$1=/{

  4137.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4138.                             p

  4139.                             q

  4140.                         }" $TMPE

  4141.             }

  4142.             cpu=$(check_native -march || check_native -mcpu)

  4143.         ;;

  4144.         clang)

  4145.             check_native(){

  4146.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4147.                 sed -n "/cc1.*-target-cpu /{

  4148.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4149.                             p

  4150.                             q

  4151.                         }" $TMPE

  4152.             }

  4153.             cpu=$(check_native -march)

  4154.         ;;

  4155.     esac

  4156. 

  4157.     test "${cpu:-host}" = host &&

  4158.         die "--cpu=host not supported with compiler $cc"

  4159. fi

  4160. 

  4161. # Deal with common $arch aliases

  4162. case "$arch" in

  4163.     aarch64|arm64)

  4164.         arch="aarch64"

  4165.     ;;

  4166.     arm*|iPad*|iPhone*)

  4167.         arch="arm"

  4168.     ;;

  4169.     mips*|IP*)

  4170.         case "$arch" in

  4171.         *el)

  4172.             add_cppflags -EL

  4173.             add_ldflags -EL

  4174.         ;;

  4175.         *eb)

  4176.             add_cppflags -EB

  4177.             add_ldflags -EB

  4178.         ;;

  4179.         esac

  4180.         arch="mips"

  4181.     ;;

  4182.     parisc*|hppa*)

  4183.         arch="parisc"

  4184.     ;;

  4185.     "Power Macintosh"|ppc*|powerpc*)

  4186.         arch="ppc"

  4187.     ;;

  4188.     s390|s390x)

  4189.         arch="s390"

  4190.     ;;

  4191.     sh4|sh)

  4192.         arch="sh4"

  4193.     ;;

  4194.     sun4u|sparc*)

  4195.         arch="sparc"

  4196.     ;;

  4197.     tilegx|tile-gx)

  4198.         arch="tilegx"

  4199.     ;;

  4200.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4201.         arch="x86"

  4202.     ;;

  4203. esac

  4204. 

  4205. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4206. enable $arch

  4207. 

  4208. # Add processor-specific flags

  4209. if enabled aarch64; then

  4210. 

  4211.     case $cpu in

  4212.         armv*)

  4213.             cpuflags="-march=$cpu"

  4214.         ;;

  4215.         *)

  4216.             cpuflags="-mcpu=$cpu"

  4217.         ;;

  4218.     esac

  4219. 

  4220. elif enabled alpha; then

  4221. 

  4222.     cpuflags="-mcpu=$cpu"

  4223. 

  4224. elif enabled arm; then

  4225. 

  4226.     check_arm_arch() {

  4227.         check_cpp_condition stddef.h \

  4228.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4229.             $cpuflags

  4230.     }

  4231. 

  4232.     probe_arm_arch() {

  4233.         if   check_arm_arch 4;        then echo armv4

  4234.         elif check_arm_arch 4T;       then echo armv4t

  4235.         elif check_arm_arch 5;        then echo armv5

  4236.         elif check_arm_arch 5E;       then echo armv5e

  4237.         elif check_arm_arch 5T;       then echo armv5t

  4238.         elif check_arm_arch 5TE;      then echo armv5te

  4239.         elif check_arm_arch 5TEJ;     then echo armv5te

  4240.         elif check_arm_arch 6;        then echo armv6

  4241.         elif check_arm_arch 6J;       then echo armv6j

  4242.         elif check_arm_arch 6K;       then echo armv6k

  4243.         elif check_arm_arch 6Z;       then echo armv6z

  4244.         elif check_arm_arch 6ZK;      then echo armv6zk

  4245.         elif check_arm_arch 6T2;      then echo armv6t2

  4246.         elif check_arm_arch 7;        then echo armv7

  4247.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4248.         elif check_arm_arch 7S;       then echo armv7-a

  4249.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4250.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4251.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4252.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4253.         fi

  4254.     }

  4255. 

  4256.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4257. 

  4258.     case $cpu in

  4259.         armv*)

  4260.             cpuflags="-march=$cpu"

  4261.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4262.         ;;

  4263.         *)

  4264.             cpuflags="-mcpu=$cpu"

  4265.             case $cpu in

  4266.                 cortex-a*)                               subarch=armv7a  ;;

  4267.                 cortex-r*)                               subarch=armv7r  ;;

  4268.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4269.                 arm11*)                                  subarch=armv6   ;;

  4270.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4271.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4272.                 *)                             subarch=$(probe_arm_arch) ;;

  4273.             esac

  4274.         ;;

  4275.     esac

  4276. 

  4277.     case "$subarch" in

  4278.         armv5t*)    enable fast_clz                ;;

  4279.         armv[6-8]*)

  4280.             enable fast_clz

  4281.             disabled fast_unaligned || enable fast_unaligned

  4282.             ;;

  4283.     esac

  4284. 

  4285. elif enabled avr32; then

  4286. 

  4287.     case $cpu in

  4288.         ap7[02]0[0-2])

  4289.             subarch="avr32_ap"

  4290.             cpuflags="-mpart=$cpu"

  4291.         ;;

  4292.         ap)

  4293.             subarch="avr32_ap"

  4294.             cpuflags="-march=$cpu"

  4295.         ;;

  4296.         uc3[ab]*)

  4297.             subarch="avr32_uc"

  4298.             cpuflags="-mcpu=$cpu"

  4299.         ;;

  4300.         uc)

  4301.             subarch="avr32_uc"

  4302.             cpuflags="-march=$cpu"

  4303.         ;;

  4304.     esac

  4305. 

  4306. elif enabled bfin; then

  4307. 

  4308.     cpuflags="-mcpu=$cpu"

  4309. 

  4310. elif enabled mips; then

  4311. 

  4312.     cpuflags="-march=$cpu"

  4313. 

  4314.     if [ "$cpu" != "generic" ]; then

  4315.         disable mips32r2

  4316.         disable mips32r5

  4317.         disable mips64r2

  4318.         disable mips32r6

  4319.         disable mips64r6

  4320.         disable loongson2

  4321.         disable loongson3

  4322. 

  4323.         case $cpu in

  4324.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4325.                 enable mips32r2

  4326.                 disable msa

  4327.             ;;

  4328.             p5600|i6400)

  4329.                 disable mipsdsp

  4330.                 disable mipsdspr2

  4331.             ;;

  4332.             loongson*)

  4333.                 enable loongson2

  4334.                 enable loongson3

  4335.                 enable local_aligned_8 local_aligned_16 local_aligned_32

  4336.                 enable simd_align_16

  4337.                 enable fast_64bit

  4338.                 enable fast_clz

  4339.                 enable fast_cmov

  4340.                 enable fast_unaligned

  4341.                 disable aligned_stack

  4342.                 case $cpu in

  4343.                     loongson3*)

  4344.                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4345.                     ;;

  4346.                     loongson2e)

  4347.                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4348.                     ;;

  4349.                     loongson2f)

  4350.                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4351.                     ;;

  4352.                 esac

  4353.             ;;

  4354.             *)

  4355.                 # Unknown CPU. Disable everything.

  4356.                 warn "unknown CPU. Disabling all MIPS optimizations."

  4357.                 disable mipsfpu

  4358.                 disable mipsdsp

  4359.                 disable mipsdspr2

  4360.                 disable msa

  4361.                 disable mmi

  4362.             ;;

  4363.         esac

  4364. 

  4365.         case $cpu in

  4366.             24kc)

  4367.                 disable mipsfpu

  4368.                 disable mipsdsp

  4369.                 disable mipsdspr2

  4370.             ;;

  4371.             24kf*)

  4372.                 disable mipsdsp

  4373.                 disable mipsdspr2

  4374.             ;;

  4375.             24kec|34kc|1004kc)

  4376.                 disable mipsfpu

  4377.                 disable mipsdspr2

  4378.             ;;

  4379.             24kef*|34kf*|1004kf*)

  4380.                 disable mipsdspr2

  4381.             ;;

  4382.             74kc)

  4383.                 disable mipsfpu

  4384.             ;;

  4385.             p5600)

  4386.                 enable mips32r5

  4387.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  4388.             ;;

  4389.             i6400)

  4390.                 enable mips64r6

  4391.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  4392.             ;;

  4393.         esac

  4394.     else

  4395.         # We do not disable anything. Is up to the user to disable the unwanted features.

  4396.         warn 'generic cpu selected'

  4397.     fi

  4398. 

  4399. elif enabled ppc; then

  4400. 

  4401.     disable ldbrx

  4402. 

  4403.     case $(tolower $cpu) in

  4404.         601|ppc601|powerpc601)

  4405.             cpuflags="-mcpu=601"

  4406.             disable altivec

  4407.         ;;

  4408.         603*|ppc603*|powerpc603*)

  4409.             cpuflags="-mcpu=603"

  4410.             disable altivec

  4411.         ;;

  4412.         604*|ppc604*|powerpc604*)

  4413.             cpuflags="-mcpu=604"

  4414.             disable altivec

  4415.         ;;

  4416.         g3|75*|ppc75*|powerpc75*)

  4417.             cpuflags="-mcpu=750"

  4418.             disable altivec

  4419.         ;;

  4420.         g4|745*|ppc745*|powerpc745*)

  4421.             cpuflags="-mcpu=7450"

  4422.             disable vsx

  4423.         ;;

  4424.         74*|ppc74*|powerpc74*)

  4425.             cpuflags="-mcpu=7400"

  4426.             disable vsx

  4427.         ;;

  4428.         g5|970|ppc970|powerpc970)

  4429.             cpuflags="-mcpu=970"

  4430.             disable vsx

  4431.         ;;

  4432.         power[3-6]*)

  4433.             cpuflags="-mcpu=$cpu"

  4434.             disable vsx

  4435.         ;;

  4436.         power[7-8]*)

  4437.             cpuflags="-mcpu=$cpu"

  4438.         ;;

  4439.         cell)

  4440.             cpuflags="-mcpu=cell"

  4441.             enable ldbrx

  4442.             disable vsx

  4443.         ;;

  4444.         e500mc)

  4445.             cpuflags="-mcpu=e500mc"

  4446.             disable altivec

  4447.         ;;

  4448.         e500v2)

  4449.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4450.             disable altivec

  4451.             disable dcbzl

  4452.         ;;

  4453.         e500)

  4454.             cpuflags="-mcpu=8540 -mhard-float"

  4455.             disable altivec

  4456.             disable dcbzl

  4457.         ;;

  4458.     esac

  4459. 

  4460. elif enabled sparc; then

  4461. 

  4462.     case $cpu in

  4463.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4464.             cpuflags="-mcpu=$cpu"

  4465.         ;;

  4466.         ultrasparc*|niagara[234])

  4467.             cpuflags="-mcpu=$cpu"

  4468.         ;;

  4469.     esac

  4470. 

  4471. elif enabled x86; then

  4472. 

  4473.     case $cpu in

  4474.         i[345]86|pentium)

  4475.             cpuflags="-march=$cpu"

  4476.             disable i686

  4477.             disable mmx

  4478.         ;;

  4479.         # targets that do NOT support nopl and conditional mov (cmov)

  4480.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4481.             cpuflags="-march=$cpu"

  4482.             disable i686

  4483.         ;;

  4484.         # targets that do support nopl and conditional mov (cmov)

  4485.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4486.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4487.             cpuflags="-march=$cpu"

  4488.             enable i686

  4489.             enable fast_cmov

  4490.         ;;

  4491.         # targets that do support conditional mov but on which it's slow

  4492.         pentium4|pentium4m|prescott|nocona)

  4493.             cpuflags="-march=$cpu"

  4494.             enable i686

  4495.             disable fast_cmov

  4496.         ;;

  4497.     esac

  4498. 

  4499. fi

  4500. 

  4501. if [ "$cpu" != generic ]; then

  4502.     add_cflags  $cpuflags

  4503.     add_asflags $cpuflags

  4504.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4505. fi

  4506. 

  4507. # compiler sanity check

  4508. check_exec <<EOF

  4509. int main(void){ return 0; }

  4510. EOF

  4511. if test "$?" != 0; then

  4512.     echo "$cc is unable to create an executable file."

  4513.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4514.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4515.         echo "Only do this if you know what cross compiling means."

  4516.     fi

  4517.     die "C compiler test failed."

  4518. fi

  4519. 

  4520. add_cppflags -D_ISOC99_SOURCE

  4521. add_cxxflags -D__STDC_CONSTANT_MACROS

  4522. check_cflags -std=c99

  4523. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4524. #include <stdlib.h>

  4525. EOF

  4526. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4527. #include <stdlib.h>

  4528. EOF

  4529. 

  4530. add_host_cppflags -D_ISOC99_SOURCE

  4531. check_host_cflags -std=c99

  4532. check_host_cflags -Wall

  4533. check_host_cflags -O3

  4534. 

  4535. check_64bit(){

  4536.     arch32=$1

  4537.     arch64=$2

  4538.     expr=$3

  4539.     check_code cc "" "int test[2*($expr) - 1]" &&

  4540.         subarch=$arch64 || subarch=$arch32

  4541. }

  4542. 

  4543. case "$arch" in

  4544.     aarch64|alpha|ia64)

  4545.         spic=$shared

  4546.     ;;

  4547.     mips)

  4548.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4549.         spic=$shared

  4550.     ;;

  4551.     parisc)

  4552.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4553.         spic=$shared

  4554.     ;;

  4555.     ppc)

  4556.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4557.         spic=$shared

  4558.     ;;

  4559.     s390)

  4560.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4561.         spic=$shared

  4562.     ;;

  4563.     sparc)

  4564.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4565.         spic=$shared

  4566.     ;;

  4567.     x86)

  4568.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4569.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4570.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4571.             subarch=x86_64

  4572.         if test "$subarch" = "x86_64"; then

  4573.             spic=$shared

  4574.         fi

  4575.     ;;

  4576.     ppc)

  4577.         check_cc <<EOF && subarch="ppc64"

  4578.         int test[(int)sizeof(char*) - 7];

  4579. EOF

  4580.     ;;

  4581. esac

  4582. 

  4583. enable $subarch

  4584. enabled spic && enable_weak pic

  4585. 

  4586. # OS specific

  4587. case $target_os in

  4588.     aix)

  4589.         SHFLAGS=-shared

  4590.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4591.         enabled shared && add_ldflags -Wl,-brtl

  4592.         ;;

  4593.     android)

  4594.         disable symver

  4595.         enable section_data_rel_ro

  4596.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4597.         SLIB_INSTALL_LINKS=

  4598.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4599.         ;;

  4600.     haiku)

  4601.         prefix_default="/boot/common"

  4602.         network_extralibs="-lnetwork"

  4603.         host_libs=

  4604.         ;;

  4605.     sunos)

  4606.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4607.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4608.         network_extralibs="-lsocket -lnsl"

  4609.         add_cppflags -D__EXTENSIONS__

  4610.         # When using suncc to build, the Solaris linker will mark

  4611.         # an executable with each instruction set encountered by

  4612.         # the Solaris assembler.  As our libraries contain their own

  4613.         # guards for processor-specific code, instead suppress

  4614.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4615.         enabled_all suncc x86 &&

  4616.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4617.             add_ldflags -Wl,-M,mapfile

  4618.         nm_default='nm -P -g'

  4619.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4620.         ;;

  4621.     netbsd)

  4622.         disable symver

  4623.         oss_indev_extralibs="-lossaudio"

  4624.         oss_outdev_extralibs="-lossaudio"

  4625.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4626.         ;;

  4627.     openbsd|bitrig)

  4628.         disable symver

  4629.         SHFLAGS='-shared'

  4630.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4631.         SLIB_INSTALL_LINKS=

  4632.         oss_indev_extralibs="-lossaudio"

  4633.         oss_outdev_extralibs="-lossaudio"

  4634.         ;;

  4635.     dragonfly)

  4636.         disable symver

  4637.         ;;

  4638.     freebsd)

  4639.         ;;

  4640.     bsd/os)

  4641.         add_extralibs -lpoll -lgnugetopt

  4642.         strip="strip -d"

  4643.         ;;

  4644.     darwin)

  4645.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4646.         install_name_dir_default='$(SHLIBDIR)'

  4647.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4648.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4649.         strip="${strip} -x"

  4650.         add_ldflags -Wl,-dynamic,-search_paths_first

  4651.         SLIBSUF=".dylib"

  4652.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4653.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4654.         objformat="macho"

  4655.         enabled x86_64 && objformat="macho64"

  4656.         enabled_any pic shared x86_64 ||

  4657.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4658.         check_header dispatch/dispatch.h &&

  4659.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  4660.         ;;

  4661.     msys*)

  4662.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  4663.         ;;

  4664.     mingw32*|mingw64*)

  4665.         if test $target_os = "mingw32ce"; then

  4666.             disable network

  4667.         else

  4668.             target_os=mingw32

  4669.         fi

  4670.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4671.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4672.         LIBTARGET=i386

  4673.         if enabled x86_64; then

  4674.             LIBTARGET="i386:x86-64"

  4675.         elif enabled arm; then

  4676.             LIBTARGET=arm-wince

  4677.         fi

  4678.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4679.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4680.         shlibdir_default="$bindir_default"

  4681.         SLIBPREF=""

  4682.         SLIBSUF=".dll"

  4683.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4684.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4685.         dlltool="${cross_prefix}dlltool"

  4686.         if check_cmd lib.exe -list; then

  4687.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4688.             if enabled x86_64; then

  4689.                 LIBTARGET=x64

  4690.             fi

  4691.         elif check_cmd $dlltool --version; then

  4692.             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)'

  4693.         fi

  4694.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4695.         SLIB_INSTALL_LINKS=

  4696.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4697.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4698.         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'

  4699.         objformat="win32"

  4700.         ranlib=:

  4701.         enable dos_paths

  4702.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4703.         # Lets work around some stupidity in binutils.

  4704.         # ld will strip relocations from executables even though we need them

  4705.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4706.         # however ld then forgets what the entry point should be (oops) so we

  4707.         # have to manually (re)set it.

  4708.         if enabled x86_32; then

  4709.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4710.         elif enabled x86_64; then

  4711.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4712.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4713.             # Set image base >4GB for extra entropy with HEASLR

  4714.             add_ldexeflags -Wl,--image-base,0x140000000

  4715.             append SHFLAGS -Wl,--image-base,0x180000000

  4716.         fi

  4717.         ;;

  4718.     win32|win64)

  4719.         disable symver

  4720.         if enabled shared; then

  4721.             # Link to the import library instead of the normal static library

  4722.             # for shared libs.

  4723.             LD_LIB='%.lib'

  4724.             # Cannot build both shared and static libs with MSVC or icl.

  4725.             disable static

  4726.         fi

  4727.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4728.         shlibdir_default="$bindir_default"

  4729.         SLIBPREF=""

  4730.         SLIBSUF=".dll"

  4731.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4732.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4733.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4734.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4735.         SLIB_INSTALL_LINKS=

  4736.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4737.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4738.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4739.         objformat="win32"

  4740.         ranlib=:

  4741.         enable dos_paths

  4742.         ;;

  4743.     cygwin*)

  4744.         target_os=cygwin

  4745.         shlibdir_default="$bindir_default"

  4746.         SLIBPREF="cyg"

  4747.         SLIBSUF=".dll"

  4748.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4749.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4750.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4751.         SLIB_INSTALL_LINKS=

  4752.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4753.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4754.         objformat="win32"

  4755.         enable dos_paths

  4756.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4757.         ;;

  4758.     *-dos|freedos|opendos)

  4759.         network_extralibs="-lsocket"

  4760.         objformat="coff"

  4761.         enable dos_paths

  4762.         add_cppflags -U__STRICT_ANSI__

  4763.         ;;

  4764.     linux)

  4765.         enable dv1394

  4766.         enable section_data_rel_ro

  4767.         ;;

  4768.     irix*)

  4769.         target_os=irix

  4770.         ranlib="echo ignoring ranlib"

  4771.         ;;

  4772.     os/2*)

  4773.         strip="lxlite -CS"

  4774.         objformat="aout"

  4775.         add_cppflags -D_GNU_SOURCE

  4776.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4777.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4778.         LIBSUF="_s.a"

  4779.         SLIBPREF=""

  4780.         SLIBSUF=".dll"

  4781.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4782.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4783.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  4784.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  4785.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  4786.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  4787.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  4788.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  4789.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  4790.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4791.         SLIB_INSTALL_LINKS=

  4792.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  4793.         enable dos_paths

  4794.         enable_weak os2threads

  4795.         ;;

  4796.     gnu/kfreebsd)

  4797.         add_cppflags -D_BSD_SOURCE

  4798.         ;;

  4799.     gnu)

  4800.         ;;

  4801.     qnx)

  4802.         add_cppflags -D_QNX_SOURCE

  4803.         network_extralibs="-lsocket"

  4804.         ;;

  4805.     symbian)

  4806.         SLIBSUF=".dll"

  4807.         enable dos_paths

  4808.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4809.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4810.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4811.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4812.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4813.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4814.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4815.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4816.         ;;

  4817.     osf1)

  4818.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4819.         ;;

  4820.     minix)

  4821.         ;;

  4822.     plan9)

  4823.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4824.                      -D_REENTRANT_SOURCE        \

  4825.                      -D_RESEARCH_SOURCE         \

  4826.                      -DFD_SETSIZE=96            \

  4827.                      -DHAVE_SOCK_OPTS

  4828.         add_compat strtod.o strtod=avpriv_strtod

  4829.         network_extralibs='-lbsd'

  4830.         exeobjs=compat/plan9/main.o

  4831.         disable ffserver

  4832.         cp_f='cp'

  4833.         ;;

  4834.     none)

  4835.         ;;

  4836.     *)

  4837.         die "Unknown OS '$target_os'."

  4838.         ;;

  4839. esac

  4840. 

  4841. # test if creating links works

  4842. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4843. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4844. mkdir "$link_dest"

  4845. $ln_s "$link_dest" "$link_name"

  4846. touch "$link_dest/test_file"

  4847. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4848.     # create link to source path

  4849.     [ -e src ] && rm src

  4850.     $ln_s "$source_path" src

  4851.     source_link=src

  4852. else

  4853.     # creating directory links doesn't work

  4854.     # fall back to using the full source path

  4855.     source_link="$source_path"

  4856. fi

  4857. # cleanup

  4858. rm -r "$link_dest"

  4859. rm -r "$link_name"

  4860. 

  4861. # determine libc flavour

  4862. 

  4863. probe_libc(){

  4864.     pfx=$1

  4865.     pfx_no_=${pfx%_}

  4866.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4867.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4868.         eval ${pfx}libc_type=uclibc

  4869.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4870.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4871.         eval ${pfx}libc_type=glibc

  4872.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4873.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4874.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4875.         eval ${pfx}libc_type=newlib

  4876.         add_${pfx}cppflags -U__STRICT_ANSI__

  4877.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4878.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4879.         eval ${pfx}libc_type=mingw64

  4880.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4881.             add_compat msvcrt/snprintf.o

  4882.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4883.         fi

  4884.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4885.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4886.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4887.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4888.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4889.         eval ${pfx}libc_type=mingw32

  4890.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4891.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4892.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4893.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4894.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4895.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4896.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4897.         eval ${pfx}libc_type=msvcrt

  4898.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4899.             if [ "$pfx" = host_ ]; then

  4900.                 add_host_cppflags -Dsnprintf=_snprintf

  4901.             else

  4902.                 add_compat strtod.o strtod=avpriv_strtod

  4903.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4904.                                              _snprintf=avpriv_snprintf  \

  4905.                                              vsnprintf=avpriv_vsnprintf

  4906.             fi

  4907.         fi

  4908.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4909.         # 0x601 by default unless something else is set by the user.

  4910.         # This can easily lead to us detecting functions only present

  4911.         # in such new versions and producing binaries requiring windows 7.0.

  4912.         # Therefore explicitly set the default to XP unless the user has

  4913.         # set something else on the command line.

  4914.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4915.         # family. For these cases, configure is free to use any functions

  4916.         # found in the SDK headers by default. (Alternatively, we could force

  4917.         # _WIN32_WINNT to 0x0602 in that case.)

  4918.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4919.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4920. #ifdef WINAPI_FAMILY

  4921. #include <winapifamily.h>

  4922. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4923. #error not desktop

  4924. #endif

  4925. #endif

  4926. EOF

  4927.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4928.         eval ${pfx}libc_type=klibc

  4929.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4930.         eval ${pfx}libc_type=bionic

  4931.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4932.         eval ${pfx}libc_type=solaris

  4933.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4934.     fi

  4935.     check_${pfx}cc <<EOF

  4936. #include <time.h>

  4937. void *v = localtime_r;

  4938. EOF

  4939. 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

  4940. #include <time.h>

  4941. void *v = localtime_r;

  4942. EOF

  4943. 

  4944. }

  4945. 

  4946. probe_libc

  4947. test -n "$libc_type" && enable libc_$libc_type

  4948. probe_libc host_

  4949. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4950. 

  4951. case $libc_type in

  4952.     bionic)

  4953.         add_compat strtod.o strtod=avpriv_strtod

  4954.         ;;

  4955. esac

  4956. 

  4957. # hacks for compiler/libc/os combinations

  4958. 

  4959. if enabled_all tms470 libc_glibc; then

  4960.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4961.     add_cppflags -D__USER_LABEL_PREFIX__=

  4962.     add_cppflags -D__builtin_memset=memset

  4963.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4964.     add_cflags   -pds=48    # incompatible redefinition of macro

  4965. fi

  4966. 

  4967. if enabled_all ccc libc_glibc; then

  4968.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4969. fi

  4970. 

  4971. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4972.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4973. 

  4974. esc(){

  4975.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4976. }

  4977. 

  4978. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4979. 

  4980. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4981. 

  4982. set_default libdir

  4983. : ${shlibdir_default:="$libdir"}

  4984. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4985. 

  4986. set_default $PATHS_LIST

  4987. set_default nm

  4988. 

  4989. # we need to build at least one lib type

  4990. if ! enabled_any static shared; then

  4991.     cat <<EOF

  4992. At least one library type must be built.

  4993. Specify --enable-static to build the static libraries or --enable-shared to

  4994. build the shared libraries as well. To only build the shared libraries specify

  4995. --disable-static in addition to --enable-shared.

  4996. EOF

  4997.     exit 1

  4998. fi

  4999. 

  5000. die_license_disabled() {

  5001.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  5002. }

  5003. 

  5004. die_license_disabled_gpl() {

  5005.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  5006. }

  5007. 

  5008. die_license_disabled gpl frei0r

  5009. die_license_disabled gpl libcdio

  5010. die_license_disabled gpl librubberband

  5011. die_license_disabled gpl libsmbclient

  5012. die_license_disabled gpl libvidstab

  5013. die_license_disabled gpl libx264

  5014. die_license_disabled gpl libx265

  5015. die_license_disabled gpl libxavs

  5016. die_license_disabled gpl libxvid

  5017. die_license_disabled gpl x11grab

  5018. 

  5019. die_license_disabled nonfree cuda

  5020. die_license_disabled nonfree cuvid

  5021. die_license_disabled nonfree libfaac

  5022. die_license_disabled nonfree libnpp

  5023. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  5024. enabled gpl && die_license_disabled_gpl nonfree openssl

  5025. 

  5026. die_license_disabled version3 gmp

  5027. die_license_disabled version3 libopencore_amrnb

  5028. die_license_disabled version3 libopencore_amrwb

  5029. die_license_disabled version3 libsmbclient

  5030. die_license_disabled version3 libvo_amrwbenc

  5031. 

  5032. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  5033. 

  5034. disabled optimizations || check_cflags -fomit-frame-pointer

  5035. 

  5036. enable_weak_pic() {

  5037.     disabled pic && return

  5038.     enable pic

  5039.     add_cppflags -DPIC

  5040.     case "$target_os" in

  5041.     mingw*|cygwin*)

  5042.         ;;

  5043.     *)

  5044.         add_cflags -fPIC

  5045.         ;;

  5046.     esac

  5047.     add_asflags  -fPIC

  5048. }

  5049. 

  5050. enabled pic && enable_weak_pic

  5051. 

  5052. check_cc <<EOF || die "Symbol mangling check failed."

  5053. int ff_extern;

  5054. EOF

  5055. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5056. extern_prefix=${sym%%ff_extern*}

  5057. 

  5058. check_cc <<EOF && enable_weak inline_asm

  5059. void foo(void) { __asm__ volatile ("" ::); }

  5060. EOF

  5061. 

  5062. _restrict=

  5063. for restrict_keyword in restrict __restrict__ __restrict; do

  5064.     check_cc <<EOF && _restrict=$restrict_keyword && break

  5065. void foo(char * $restrict_keyword p);

  5066. EOF

  5067. done

  5068. 

  5069. check_cc <<EOF && enable pragma_deprecated

  5070. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  5071. EOF

  5072. 

  5073. check_cc <<EOF && enable attribute_packed

  5074. struct { int x; } __attribute__((packed)) x;

  5075. EOF

  5076. 

  5077. check_cc <<EOF && enable attribute_may_alias

  5078. union { int x; } __attribute__((may_alias)) x;

  5079. EOF

  5080. 

  5081. check_cc <<EOF || die "endian test failed"

  5082. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5083. EOF

  5084. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5085. 

  5086. if ! enabled ppc64 || enabled bigendian; then

  5087.     disable vsx

  5088. fi

  5089. 

  5090. check_gas() {

  5091.     log "check_gas using '$as' as AS"

  5092.     # :vararg is used on aarch64, arm and ppc altivec

  5093.     check_as <<EOF || return 1

  5094. .macro m n, y:vararg=0

  5095. \n: .int \y

  5096. .endm

  5097. m x

  5098. EOF

  5099.     # .altmacro is only used in arm asm

  5100.     ! enabled arm || check_as <<EOF || return 1

  5101. .altmacro

  5102. EOF

  5103.     enable gnu_as

  5104.     return 0

  5105. }

  5106. 

  5107. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5108.     nogas=:

  5109.     enabled_any arm aarch64 && nogas=die

  5110.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5111.     as_noop=-v

  5112. 

  5113.     case $as_type in

  5114.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5115.         gcc)  gaspp_as_type=gas ;;

  5116.         *)    gaspp_as_type=$as_type ;;

  5117.     esac

  5118. 

  5119.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5120. 

  5121.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5122.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5123.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5124. 

  5125.     if ! check_gas ; then

  5126.         as=${gas:=$as}

  5127.         check_gas || \

  5128.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5129.     fi

  5130. 

  5131.     check_as <<EOF && enable as_func

  5132. .func test

  5133. .endfunc

  5134. EOF

  5135. fi

  5136. 

  5137. check_inline_asm inline_asm_labels '"1:\n"'

  5138. 

  5139. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5140. 

  5141. if enabled aarch64; then

  5142.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5143.     # internal assembler in clang 3.3 does not support this instruction

  5144.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5145.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5146. 

  5147.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5148. 

  5149. elif enabled alpha; then

  5150. 

  5151.     check_cflags -mieee

  5152. 

  5153. elif enabled arm; then

  5154. 

  5155.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5156. 

  5157.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5158. float func(float a, float b){ return a+b; }

  5159. EOF

  5160. 

  5161.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5162. 

  5163.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5164.         enable vfp_args

  5165.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5166.         enable vfp_args

  5167.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5168.         case "${cross_prefix:-$cc}" in

  5169.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5170.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5171. __asm__ (".eabi_attribute 28, 1");

  5172. int main(void) { return 0; }

  5173. EOF

  5174.         esac

  5175.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5176.     fi

  5177. 

  5178.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5179.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5180.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5181.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5182.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5183.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5184.     enabled setend  && check_insn setend  'setend be'

  5185. 

  5186.     [ $target_os = linux ] || [ $target_os = android ] ||

  5187.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5188.             $ARCH_EXT_LIST_ARM

  5189. 

  5190.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5191. 

  5192.     check_as <<EOF && enable as_dn_directive

  5193. ra .dn d0.i16

  5194. .unreq ra

  5195. EOF

  5196. 

  5197.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5198.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5199. .object_arch armv4

  5200. EOF

  5201. 

  5202.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5203. 

  5204. elif enabled mips; then

  5205. 

  5206.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5207.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5208.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5209. 

  5210.     # Enable minimum ISA based on selected options

  5211.     if enabled mips64; then

  5212.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5213.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5214.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5215.     else

  5216.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5217.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5218.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5219.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5220.     fi

  5221. 

  5222.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5223.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5224.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa

  5225.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5226.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5227. 

  5228. elif enabled parisc; then

  5229. 

  5230.     if enabled gcc; then

  5231.         case $($cc -dumpversion) in

  5232.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5233.         esac

  5234.     fi

  5235. 

  5236. elif enabled ppc; then

  5237. 

  5238.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5239. 

  5240.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5241.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5242.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5243.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5244. 

  5245.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5246.     if enabled altivec; then

  5247.         check_cflags -maltivec -mabi=altivec &&

  5248.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5249.         check_cflags -faltivec

  5250. 

  5251.         # check if our compiler supports Motorola AltiVec C API

  5252.         check_cc <<EOF || disable altivec

  5253. $inc_altivec_h

  5254. int main(void) {

  5255.     vector signed int v1 = (vector signed int) { 0 };

  5256.     vector signed int v2 = (vector signed int) { 1 };

  5257.     v1 = vec_add(v1, v2);

  5258.     return 0;

  5259. }

  5260. EOF

  5261. 

  5262.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5263.     fi

  5264. 

  5265.     if enabled vsx; then

  5266.         check_cflags -mvsx &&

  5267.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5268.     fi

  5269. 

  5270.     if enabled power8; then

  5271.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5272.     fi

  5273. 

  5274. elif enabled x86; then

  5275. 

  5276.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5277.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5278. 

  5279.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5280. 

  5281.     # check whether EBP is available on x86

  5282.     # As 'i' is stored on the stack, this program will crash

  5283.     # if the base pointer is used to access it because the

  5284.     # base pointer is cleared in the inline assembly code.

  5285.     check_exec_crash <<EOF && enable ebp_available

  5286. volatile int i=0;

  5287. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5288. return i;

  5289. EOF

  5290. 

  5291.     # check whether EBX is available on x86

  5292.     check_inline_asm ebx_available '""::"b"(0)' &&

  5293.         check_inline_asm ebx_available '"":::"%ebx"'

  5294. 

  5295.     # check whether xmm clobbers are supported

  5296.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5297. 

  5298.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5299.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5300. 

  5301.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5302.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5303.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5304. 

  5305.     if ! disabled_any asm mmx yasm; then

  5306.         if check_cmd $yasmexe --version; then

  5307.             enabled x86_64 && yasm_extra="-m amd64"

  5308.             yasm_debug="-g dwarf2"

  5309.         elif check_cmd nasm -v; then

  5310.             yasmexe=nasm

  5311.             yasm_debug="-g -F dwarf"

  5312.             if enabled x86_64; then

  5313.                 case "$objformat" in

  5314.                     elf)   objformat=elf64 ;;

  5315.                     win32) objformat=win64 ;;

  5316.                 esac

  5317.             fi

  5318.         fi

  5319. 

  5320.         YASMFLAGS="-f $objformat $yasm_extra"

  5321.         enabled pic               && append YASMFLAGS "-DPIC"

  5322.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5323.         case "$objformat" in

  5324.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5325.         esac

  5326. 

  5327.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5328.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5329.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5330.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5331.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5332.         check_yasm "CPU amdnop" || disable cpunop

  5333.     fi

  5334. 

  5335.     case "$cpu" in

  5336.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5337.             disable fast_clz

  5338.         ;;

  5339.     esac

  5340. 

  5341. fi

  5342. 

  5343. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5344. 

  5345. check_ldflags -Wl,--as-needed

  5346. check_ldflags -Wl,-z,noexecstack

  5347. 

  5348. if check_func dlopen; then

  5349.     ldl=

  5350. elif check_func dlopen -ldl; then

  5351.     ldl=-ldl

  5352. fi

  5353. 

  5354. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5355. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5356. frei0r_filter_extralibs='$ldl'

  5357. frei0r_src_filter_extralibs='$ldl'

  5358. ladspa_filter_extralibs='$ldl'

  5359. nvenc_encoder_extralibs='$ldl'

  5360. coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5361. coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"

  5362. 

  5363. if ! disabled network; then

  5364.     check_func getaddrinfo $network_extralibs

  5365.     check_func inet_aton $network_extralibs

  5366. 

  5367.     check_type netdb.h "struct addrinfo"

  5368.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5369.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5370.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5371.     check_type poll.h "struct pollfd"

  5372.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5373.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5374.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5375.     check_type netinet/in.h "struct sockaddr_in6"

  5376.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5377.     check_type "sys/types.h sys/socket.h" socklen_t

  5378. 

  5379.     # Prefer arpa/inet.h over winsock2

  5380.     if check_header arpa/inet.h ; then

  5381.         check_func closesocket

  5382.     elif check_header winsock2.h ; then

  5383.         check_func_headers winsock2.h closesocket -lws2 &&

  5384.             network_extralibs="-lws2" ||

  5385.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5386.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5387.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5388. 

  5389.         check_type ws2tcpip.h socklen_t

  5390.         check_type ws2tcpip.h "struct addrinfo"

  5391.         check_type ws2tcpip.h "struct group_source_req"

  5392.         check_type ws2tcpip.h "struct ip_mreq_source"

  5393.         check_type ws2tcpip.h "struct ipv6_mreq"

  5394.         check_type winsock2.h "struct pollfd"

  5395.         check_struct winsock2.h "struct sockaddr" sa_len

  5396.         check_type ws2tcpip.h "struct sockaddr_in6"

  5397.         check_type ws2tcpip.h "struct sockaddr_storage"

  5398.     else

  5399.         disable network

  5400.     fi

  5401. fi

  5402. 

  5403. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5404. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5405. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5406. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5407. check_builtin sarestart signal.h "SA_RESTART"

  5408. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5409. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5410. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5411. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5412. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  5413. 

  5414. case "$custom_allocator" in

  5415.     jemalloc)

  5416.         # jemalloc by default does not use a prefix

  5417.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5418.     ;;

  5419.     tcmalloc)

  5420.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5421.         malloc_prefix=tc_

  5422.     ;;

  5423. esac

  5424. 

  5425. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5426. check_func  ${malloc_prefix}memalign            && enable memalign

  5427. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5428. 

  5429. check_func  access

  5430. check_func  arc4random

  5431. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5432. check_func  fcntl

  5433. check_func  fork

  5434. check_func  gethrtime

  5435. check_func  getopt

  5436. check_func  getrusage

  5437. check_func  gettimeofday

  5438. check_func  isatty

  5439. check_func  mach_absolute_time

  5440. check_func  mkstemp

  5441. check_func  mmap

  5442. check_func  mprotect

  5443. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5444. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5445. check_func  sched_getaffinity

  5446. check_func  setrlimit

  5447. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5448. check_func  strerror_r

  5449. check_func  sysconf

  5450. check_func  sysctl

  5451. check_func  usleep

  5452. 

  5453. check_func_headers conio.h kbhit

  5454. check_func_headers io.h setmode

  5455. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5456. check_func_headers stdlib.h getenv

  5457. check_func_headers sys/stat.h lstat

  5458. 

  5459. check_func_headers windows.h CoTaskMemFree -lole32

  5460. check_func_headers windows.h GetProcessAffinityMask

  5461. check_func_headers windows.h GetProcessTimes

  5462. check_func_headers windows.h GetSystemTimeAsFileTime

  5463. check_func_headers windows.h MapViewOfFile

  5464. check_func_headers windows.h PeekNamedPipe

  5465. check_func_headers windows.h SetConsoleTextAttribute

  5466. check_func_headers windows.h SetConsoleCtrlHandler

  5467. check_func_headers windows.h Sleep

  5468. check_func_headers windows.h VirtualAlloc

  5469. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5470. check_func_headers glob.h glob

  5471. enabled xlib &&

  5472.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5473. 

  5474. check_header AudioToolbox/AudioToolbox.h

  5475. check_header direct.h

  5476. check_header dirent.h

  5477. check_header dlfcn.h

  5478. check_header d3d11.h

  5479. check_header dxva.h

  5480. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5481. check_header io.h

  5482. check_header libcrystalhd/libcrystalhd_if.h

  5483. check_header mach/mach_time.h

  5484. check_header malloc.h

  5485. check_header net/udplite.h

  5486. check_header poll.h

  5487. check_header sys/mman.h

  5488. check_header sys/param.h

  5489. check_header sys/resource.h

  5490. check_header sys/select.h

  5491. check_header sys/time.h

  5492. check_header sys/un.h

  5493. check_header termios.h

  5494. check_header unistd.h

  5495. check_header valgrind/valgrind.h

  5496. check_header vdpau/vdpau.h

  5497. check_header vdpau/vdpau_x11.h

  5498. check_header VideoDecodeAcceleration/VDADecoder.h

  5499. check_header VideoToolbox/VideoToolbox.h

  5500. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5501. enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo

  5502. check_header windows.h

  5503. check_header X11/extensions/XvMClib.h

  5504. check_header asm/types.h

  5505. 

  5506. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5507. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5508. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5509. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5510. 

  5511. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5512. 

  5513. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5514. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5515. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5516. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5517. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5518. 

  5519. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5520. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5521. check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"

  5522. check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"

  5523. check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  5524. check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  5525. 

  5526. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5527. 

  5528. check_type "cuviddec.h" "CUVIDH264PICPARAMS"

  5529. check_type "cuviddec.h" "CUVIDHEVCPICPARAMS"

  5530. check_type "cuviddec.h" "CUVIDVC1PICPARAMS"

  5531. check_type "cuviddec.h" "CUVIDVP9PICPARAMS"

  5532. 

  5533. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5534. 

  5535. if ! disabled w32threads && ! enabled pthreads; then

  5536.     check_func_headers "windows.h process.h" _beginthreadex &&

  5537.         enable w32threads || disable w32threads

  5538.     if ! enabled w32threads && enabled winrt; then

  5539.         check_func_headers "windows.h" CreateThread &&

  5540.             enable w32threads || disable w32threads

  5541.     fi

  5542. fi

  5543. 

  5544. # check for some common methods of building with pthread support

  5545. # do this before the optional library checks as some of them require pthreads

  5546. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5547.     enable pthreads

  5548.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5549.         add_cflags -pthread

  5550.         add_extralibs -pthread

  5551.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5552.         add_cflags -pthreads

  5553.         add_extralibs -pthreads

  5554.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5555.         add_cflags -ldl -pthread

  5556.         add_extralibs -ldl -pthread

  5557.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5558.         add_extralibs -lpthreadGC2

  5559.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5560.         :

  5561.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5562.         disable pthreads

  5563.     fi

  5564.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5565. fi

  5566. 

  5567. 

  5568. if enabled pthreads; then

  5569.   check_func pthread_cancel

  5570. fi

  5571. 

  5572. enabled pthreads &&

  5573.     check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"

  5574. 

  5575. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5576. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5577. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5578. 

  5579. check_lib math.h sin -lm && LIBM="-lm"

  5580. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5581. 

  5582. atan2f_args=2

  5583. copysign_args=2

  5584. hypot_args=2

  5585. ldexpf_args=2

  5586. powf_args=2

  5587. 

  5588. for func in $MATH_FUNCS; do

  5589.     eval check_mathfunc $func \${${func}_args:-1}

  5590. done

  5591. 

  5592. for func in $COMPLEX_FUNCS; do

  5593.     eval check_complexfunc $func \${${func}_args:-1}

  5594. done

  5595. 

  5596. # Enable CUVID by default if CUDA is enabled

  5597. if enabled cuda && ! disabled cuvid; then

  5598.     enable cuvid

  5599. fi

  5600. 

  5601. # these are off by default, so fail if requested and not available

  5602. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5603. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5604.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5605. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5606.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5607.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5608. enabled cuda              && { check_lib cuda.h cuInit -lcuda ||

  5609.                                die "ERROR: CUDA not found"; }

  5610. enabled cuvid             && { check_lib cuviddec.h cuvidCreateDecoder -lnvcuvid ||

  5611.                                die "ERROR: CUVID not found"; } &&

  5612.                              { enabled cuda ||

  5613.                                die "ERROR: CUVID requires CUDA"; }

  5614. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5615. enabled coreimage_filter  && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }

  5616. enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }

  5617. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5618. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5619. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5620. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5621. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&

  5622.                                check_lib2 "dlfcn.h" dlopen -ldl; }

  5623. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5624. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5625. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5626. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5627. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5628. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5629.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5630.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5631. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5632. enabled libebur128        && require ebur128 ebur128.h ebur128_relative_threshold -lebur128

  5633. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5634. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5635.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5636.                                  warn "using libfdk without pkg-config"; } }

  5637. 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"

  5638. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5639. enabled fontconfig        && enable libfontconfig

  5640. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5641. enabled libfreetype       && require_libfreetype

  5642. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5643. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5644. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5645.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5646.                                done || die "ERROR: libgsm not found"; }

  5647. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5648. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5649. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5650. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5651. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5652. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5653. enabled libnpp            && require libnpp npp.h nppGetLibVersion -lnppi -lnppc

  5654. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5655. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5656. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5657.                                { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5658.                                  require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5659.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5660. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5661. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5662.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5663.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5664.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5665.                                die "ERROR: libopenjpeg not found"; }

  5666. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5667. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5668. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5669. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5670. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5671. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5672. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5673.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5674. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5675. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5676. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5677. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5678. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5679. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5680. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5681.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5682.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5683. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5684. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5685. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5686. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5687. 

  5688. enabled libvpx            && {

  5689.     enabled libvpx_vp8_decoder && {

  5690.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5691.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5692.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5693.     }

  5694.     enabled libvpx_vp8_encoder && {

  5695.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5696.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5697.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5698.     }

  5699.     enabled libvpx_vp9_decoder && {

  5700.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5701.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5702.                 disable libvpx_vp9_decoder;

  5703.     }

  5704.     enabled libvpx_vp9_encoder && {

  5705.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5706.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5707.                 disable libvpx_vp9_encoder;

  5708.     }

  5709.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5710.         die "libvpx enabled but no supported decoders found"

  5711.     fi

  5712. }

  5713. 

  5714. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5715. enabled libwebp           && {

  5716.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5717.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5718. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5719.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5720.                                  warn "using libx264 without pkg-config"; } } &&

  5721.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5722.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5723.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5724.                                enable libx262; }

  5725. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5726.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5727.                                die "ERROR: libx265 version must be >= 68."; }

  5728. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5729. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5730. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5731. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5732. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5733.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5734.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5735. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  5736. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5737.                                 { ! enabled cross_compile && {

  5738.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5739.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5740.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5741.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5742.                                die "ERROR: mmal not found"; }

  5743. enabled mmal && check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"

  5744. 

  5745. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5746. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5747.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||

  5748.                                die "ERROR: NVENC API version 5 or older is not supported"; } &&

  5749.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5750. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5751.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5752.                                die "ERROR: openal not found"; } &&

  5753.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5754.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5755. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5756.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5757.                                die "ERROR: opencl not found"; } &&

  5758.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5759.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5760.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5761. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5762.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5763.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5764.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5765.                                die "ERROR: opengl not found."

  5766.                              }

  5767. enabled omx_rpi && enable omx

  5768. enabled omx               && { check_header OMX_Core.h ||

  5769.                                 { ! enabled cross_compile && enabled omx_rpi && {

  5770.                                     add_cflags -isystem/opt/vc/include/IL ; }

  5771.                                 check_header OMX_Core.h ; } ||

  5772.                                die "ERROR: OpenMAX IL headers not found"; }

  5773. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5774.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5775.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5776.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5777.                                die "ERROR: openssl not found"; }

  5778. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5779. 

  5780. # libdc1394 check

  5781. if enabled libdc1394; then

  5782.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5783.         enable libdc1394_2; } ||

  5784.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5785.         enable libdc1394_1; } ||

  5786.     die "ERROR: No version of libdc1394 found "

  5787. fi

  5788. 

  5789. if enabled gcrypt; then

  5790.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5791.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5792.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5793.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5794.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5795.             die "ERROR: gcrypt not found"

  5796.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5797.     else

  5798.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5799.     fi

  5800. fi

  5801. 

  5802. if ! disabled sdl; then

  5803.     SDL_CONFIG="${cross_prefix}sdl-config"

  5804.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5805.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5806.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5807.         enable sdl

  5808.     else

  5809.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5810.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5811.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5812.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  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.         elif enabled sdl ; then

  5817.             die "ERROR: SDL not found"

  5818.         else

  5819.             disable sdl

  5820.         fi

  5821.     fi

  5822.     if test $target_os = "mingw32"; then

  5823.         sdl_libs="$sdl_libs -mconsole"

  5824.     fi

  5825. fi

  5826. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5827. 

  5828. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5829.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5830.     enable securetransport; }

  5831. 

  5832. disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  5833.                        check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }

  5834. 

  5835. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5836. enabled makeinfo \

  5837.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5838.     && enable makeinfo_html || disable makeinfo_html

  5839. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5840. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5841. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5842. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5843. 

  5844. check_header linux/fb.h

  5845. check_header linux/videodev.h

  5846. check_header linux/videodev2.h

  5847. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5848. 

  5849. check_header sys/videoio.h

  5850. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5851. 

  5852. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5853. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5854. # w32api 3.12 had it defined wrong

  5855. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5856. 

  5857. check_type "dshow.h" IBaseFilter

  5858. 

  5859. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5860. { check_header dev/bktr/ioctl_meteor.h &&

  5861.   check_header dev/bktr/ioctl_bt848.h; } ||

  5862. { check_header machine/ioctl_meteor.h &&

  5863.   check_header machine/ioctl_bt848.h; } ||

  5864. { check_header dev/video/meteor/ioctl_meteor.h &&

  5865.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5866. check_header dev/ic/bt8xx.h

  5867. 

  5868. check_header sndio.h

  5869. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5870.     enable_safe sys/soundcard.h

  5871. else

  5872.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5873.     #include <sys/soundcard.h>

  5874.     audio_buf_info abc;

  5875. EOF

  5876. fi

  5877. check_header soundcard.h

  5878. 

  5879. enabled_any alsa_indev alsa_outdev &&

  5880.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5881. 

  5882. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5883.     check_func jack_port_get_latency_range -ljack

  5884. 

  5885. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5886. 

  5887. if enabled libcdio; then

  5888.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5889.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5890.     die "ERROR: No usable libcdio/cdparanoia found"

  5891. fi

  5892. 

  5893. enabled xlib &&

  5894.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5895. 

  5896. if ! disabled libxcb; then

  5897.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5898.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5899.     } && disable x11grab && enable libxcb

  5900. 

  5901. if enabled libxcb; then

  5902.     disabled libxcb_shm || {

  5903.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5904.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5905.         } && check_header sys/shm.h && enable libxcb_shm; }

  5906. 

  5907.     disabled libxcb_xfixes || {

  5908.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5909.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5910.         } && enable libxcb_xfixes; }

  5911. 

  5912.     disabled libxcb_shape || {

  5913.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5914.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5915.         } && enable libxcb_shape; }

  5916. 

  5917.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5918.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5919. fi

  5920. fi

  5921. 

  5922. if enabled x11grab; then

  5923.     enabled xlib || die "ERROR: Xlib not found"

  5924.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5925.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5926. fi

  5927. 

  5928. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5929. 

  5930. enabled dxva2api_h &&

  5931.     check_cc <<EOF && enable dxva2api_cobj

  5932. #define _WIN32_WINNT 0x0600

  5933. #define COBJMACROS

  5934. #include <windows.h>

  5935. #include <d3d9.h>

  5936. #include <dxva2api.h>

  5937. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5938. EOF

  5939. 

  5940. enabled vaapi &&

  5941.     check_lib va/va.h vaInitialize -lva ||

  5942.     disable vaapi

  5943. 

  5944. enabled vaapi &&

  5945.     check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||

  5946.     disable vaapi

  5947. 

  5948. if enabled vaapi ; then

  5949.     enabled xlib &&

  5950.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5951.     enable vaapi_x11

  5952. 

  5953.     check_lib2 "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&

  5954.     enable vaapi_drm

  5955. fi

  5956. 

  5957. enabled vdpau &&

  5958.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5959.     disable vdpau

  5960. 

  5961. enabled vdpau && enabled xlib &&

  5962.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5963.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5964.     enable vdpau_x11

  5965. 

  5966. # Funny iconv installations are not unusual, so check it after all flags have been set

  5967. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5968. 

  5969. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5970. 

  5971. # add some useful compiler flags if supported

  5972. check_cflags -Wdeclaration-after-statement

  5973. check_cflags -Wall

  5974. check_cflags -Wdisabled-optimization

  5975. check_cflags -Wpointer-arith

  5976. check_cflags -Wredundant-decls

  5977. check_cflags -Wwrite-strings

  5978. check_cflags -Wtype-limits

  5979. check_cflags -Wundef

  5980. check_cflags -Wmissing-prototypes

  5981. check_cflags -Wno-pointer-to-int-cast

  5982. check_cflags -Wstrict-prototypes

  5983. check_cflags -Wempty-body

  5984. enabled extra_warnings && check_cflags -Winline

  5985. enabled extra_warnings && check_cflags -Wcast-qual

  5986. 

  5987. check_disable_warning(){

  5988.     warning_flag=-W${1#-Wno-}

  5989.     test_cflags $warning_flag && add_cflags $1

  5990. }

  5991. 

  5992. check_disable_warning -Wno-parentheses

  5993. check_disable_warning -Wno-switch

  5994. check_disable_warning -Wno-format-zero-length

  5995. check_disable_warning -Wno-pointer-sign

  5996. check_disable_warning -Wno-unused-const-variable

  5997. 

  5998. # add some linker flags

  5999. check_ldflags -Wl,--warn-common

  6000. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6001. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  6002. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  6003. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6004. 

  6005. # add some strip flags

  6006. # -wN '..@*' is more selective than -x, but not available everywhere.

  6007. check_stripflags -wN \'..@*\' || check_stripflags -x

  6008. 

  6009. enabled neon_clobber_test &&

  6010.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6011.                   -Wl,--wrap,avcodec_decode_audio4      \

  6012.                   -Wl,--wrap,avcodec_decode_video2      \

  6013.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6014.                   -Wl,--wrap,avcodec_encode_audio2      \

  6015.                   -Wl,--wrap,avcodec_encode_video2      \

  6016.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6017.                   -Wl,--wrap,swr_convert                \

  6018.                   -Wl,--wrap,avresample_convert ||

  6019.     disable neon_clobber_test

  6020. 

  6021. enabled xmm_clobber_test &&

  6022.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6023.                   -Wl,--wrap,avcodec_decode_audio4      \

  6024.                   -Wl,--wrap,avcodec_decode_video2      \

  6025.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6026.                   -Wl,--wrap,avcodec_encode_audio2      \

  6027.                   -Wl,--wrap,avcodec_encode_video2      \

  6028.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6029.                   -Wl,--wrap,swr_convert                \

  6030.                   -Wl,--wrap,avresample_convert         \

  6031.                   -Wl,--wrap,sws_scale ||

  6032.     disable xmm_clobber_test

  6033. 

  6034. echo "X { local: *; };" > $TMPV

  6035. if test_ldflags -Wl,--version-script,$TMPV; then

  6036.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  6037. elif test_ldflags -Wl,-M,$TMPV; then

  6038.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  6039. fi

  6040. 

  6041. check_cc <<EOF && enable symver_asm_label

  6042. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6043. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6044. EOF

  6045.     check_cc <<EOF && enable symver_gnu_asm

  6046. __asm__(".symver ff_foo,av_foo@VERSION");

  6047. void ff_foo(void) {}

  6048. EOF

  6049. 

  6050. if [ -z "$optflags" ]; then

  6051.     if enabled small; then

  6052.         optflags=$cflags_size

  6053.     elif enabled optimizations; then

  6054.         optflags=$cflags_speed

  6055.     else

  6056.         optflags=$cflags_noopt

  6057.     fi

  6058. fi

  6059. 

  6060. check_optflags(){

  6061.     check_cflags "$@"

  6062.     enabled lto && check_ldflags "$@"

  6063. }

  6064. 

  6065. 

  6066. if enabled lto; then

  6067.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6068.     check_cflags  -flto

  6069.     check_ldflags -flto $cpuflags

  6070.     disable inline_asm_direct_symbol_refs

  6071. fi

  6072. 

  6073. check_optflags $optflags

  6074. check_optflags -fno-math-errno

  6075. check_optflags -fno-signed-zeros

  6076. 

  6077. enabled ftrapv && check_cflags -ftrapv

  6078. 

  6079. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6080. int x;

  6081. EOF

  6082. 

  6083. 

  6084. if enabled icc; then

  6085.     # Just warnings, no remarks

  6086.     check_cflags -w1

  6087.     # -wd: Disable following warnings

  6088.     # 144, 167, 556: -Wno-pointer-sign

  6089.     # 188: enumerated type mixed with another type

  6090.     # 1292: attribute "foo" ignored

  6091.     # 1419: external declaration in primary source file

  6092.     # 10006: ignoring unknown option -fno-signed-zeros

  6093.     # 10148: ignoring unknown option -Wno-parentheses

  6094.     # 10156: ignoring option '-W'; no argument required

  6095.     # 13200: No EMMS instruction before call to function

  6096.     # 13203: No EMMS instruction before return from function

  6097.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6098.     # 11030: Warning unknown option --as-needed

  6099.     # 10156: ignoring option '-export'; no argument required

  6100.     check_ldflags -wd10156,11030

  6101.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6102.     enable ebp_available

  6103.     # The test above does not test linking

  6104.     enabled lto && disable symver_asm_label

  6105.     if enabled x86_32; then

  6106.         icc_version=$($cc -dumpversion)

  6107.         test ${icc_version%%.*} -ge 11 &&

  6108.             check_cflags -falign-stack=maintain-16-byte ||

  6109.             disable aligned_stack

  6110.     fi

  6111. elif enabled ccc; then

  6112.     # disable some annoying warnings

  6113.     add_cflags -msg_disable bitnotint

  6114.     add_cflags -msg_disable mixfuncvoid

  6115.     add_cflags -msg_disable nonstandcast

  6116.     add_cflags -msg_disable unsupieee

  6117. elif enabled gcc; then

  6118.     case $gcc_basever in

  6119.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  6120.         4.*)                 check_optflags -fno-tree-vectorize ;;

  6121.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  6122.     esac

  6123.     check_cflags -Werror=format-security

  6124.     check_cflags -Werror=implicit-function-declaration

  6125.     check_cflags -Werror=missing-prototypes

  6126.     check_cflags -Werror=return-type

  6127.     check_cflags -Werror=vla

  6128.     check_cflags -Wformat

  6129.     check_cflags -fdiagnostics-color=auto

  6130.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6131. elif enabled llvm_gcc; then

  6132.     check_cflags -mllvm -stack-alignment=16

  6133. elif enabled clang; then

  6134.     check_cflags -mllvm -stack-alignment=16

  6135.     check_cflags -Qunused-arguments

  6136.     check_cflags -Werror=implicit-function-declaration

  6137.     check_cflags -Werror=missing-prototypes

  6138.     check_cflags -Werror=return-type

  6139. elif enabled cparser; then

  6140.     add_cflags -Wno-missing-variable-declarations

  6141.     add_cflags -Wno-empty-statement

  6142. elif enabled armcc; then

  6143.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6144.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6145.     # 2523: use of inline assembly is deprecated

  6146.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6147.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6148.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6149.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6150.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6151.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6152. elif enabled tms470; then

  6153.     add_cflags -pds=824 -pds=837

  6154.     disable inline_asm

  6155. elif enabled pathscale; then

  6156.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6157. elif enabled_any msvc icl; then

  6158.     enabled x86_32 && disable aligned_stack

  6159.     enabled_all x86_32 debug && add_cflags -Oy-

  6160.     enabled debug && add_ldflags -debug

  6161.     enable pragma_deprecated

  6162.     if enabled icl; then

  6163.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6164.         # (correctly) on icl 13.x.

  6165.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6166.             add_cflags -Qansi-alias

  6167.         # Some inline asm is not compilable in debug

  6168.         if enabled debug; then

  6169.             disable ebp_available

  6170.             disable ebx_available

  6171.         fi

  6172.     fi

  6173.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6174.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6175.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6176.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6177.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6178.     # MSVC 2013 and newer can handle it fine.

  6179.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6180.     # happens in config.h.

  6181.     if [ $_restrict != restrict ]; then

  6182.         check_cc <<EOF || add_cflags -FIstdlib.h

  6183. __declspec($_restrict) void* foo(int);

  6184. EOF

  6185.     fi

  6186.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6187. fi

  6188. 

  6189. for pfx in "" host_; do

  6190.     varname=${pfx%_}cc_type

  6191.     eval "type=\$$varname"

  6192.     if [ $type = "msvc" ]; then

  6193.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6194. static inline int foo(int a) { return a; }

  6195. EOF

  6196.     fi

  6197. done

  6198. 

  6199. case $as_type in

  6200.     clang)

  6201.         add_asflags -Qunused-arguments

  6202.     ;;

  6203. esac

  6204. 

  6205. case $ld_type in

  6206.     clang)

  6207.         check_ldflags -Qunused-arguments

  6208.     ;;

  6209. esac

  6210. 

  6211. case $target_os in

  6212.     osf1)

  6213.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6214.     ;;

  6215.     plan9)

  6216.         add_cppflags -Dmain=plan9_main

  6217.     ;;

  6218. esac

  6219. 

  6220. enable frame_thread_encoder

  6221. 

  6222. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6223. 

  6224. check_deps $CONFIG_LIST       \

  6225.            $CONFIG_EXTRA      \

  6226.            $HAVE_LIST         \

  6227.            $ALL_COMPONENTS    \

  6228. 

  6229. 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"

  6230. 

  6231. 

  6232. if test $target_os = "haiku"; then

  6233.     disable memalign

  6234.     disable posix_memalign

  6235. fi

  6236. 

  6237. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6238.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6239.     enable dxva2_lib

  6240. 

  6241. ! enabled_any memalign posix_memalign aligned_malloc &&

  6242.     enabled simd_align_16 && enable memalign_hack

  6243. 

  6244. # add_dep lib dep

  6245. # -> enable ${lib}_deps_${dep}

  6246. # -> add $dep to ${lib}_deps only once

  6247. add_dep() {

  6248.     lib=$1

  6249.     dep=$2

  6250.     enabled "${lib}_deps_${dep}" && return 0

  6251.     enable  "${lib}_deps_${dep}"

  6252.     prepend "${lib}_deps" $dep

  6253. }

  6254. 

  6255. # merge deps lib components

  6256. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6257. merge_deps() {

  6258.     lib=$1

  6259.     shift

  6260.     for comp in $*; do

  6261.         enabled $comp || continue

  6262.         eval "dep=\"\$${comp}_deps\""

  6263.         for d in $dep; do

  6264.             add_dep $lib $d

  6265.         done

  6266.     done

  6267. }

  6268. 

  6269. merge_deps libavfilter $FILTER_LIST

  6270. 

  6271. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6272. 

  6273. for thread in $THREADS_LIST; do

  6274.     if enabled $thread; then

  6275.         test -n "$thread_type" &&

  6276.             die "ERROR: Only one thread type must be selected." ||

  6277.             thread_type="$thread"

  6278.     fi

  6279. done

  6280. 

  6281. enabled zlib && add_cppflags -DZLIB_CONST

  6282. 

  6283. # conditional library dependencies, in linking order

  6284. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6285. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6286. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6287. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6288. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6289. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6290. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6291. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6292. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6293. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6294. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6295. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6296. enabled pan_filter          && prepend avfilter_deps "swresample"

  6297. enabled pp_filter           && prepend avfilter_deps "postproc"

  6298. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6299. enabled resample_filter && prepend avfilter_deps "avresample"

  6300. enabled sab_filter          && prepend avfilter_deps "swscale"

  6301. enabled scale_filter    && prepend avfilter_deps "swscale"

  6302. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6303. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6304. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6305. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6306. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6307. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6308. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6309. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6310. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6311. 

  6312. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6313. 

  6314. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6315. 

  6316. expand_deps(){

  6317.     lib_deps=${1}_deps

  6318.     eval "deps=\$$lib_deps"

  6319.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6320.     unique $lib_deps

  6321. }

  6322. 

  6323. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6324. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6325. 

  6326. map 'expand_deps $v' $LIBRARY_LIST

  6327. 

  6328. echo "install prefix            $prefix"

  6329. echo "source path               $source_path"

  6330. echo "C compiler                $cc"

  6331. echo "C library                 $libc_type"

  6332. if test "$host_cc" != "$cc"; then

  6333.     echo "host C compiler           $host_cc"

  6334.     echo "host C library            $host_libc_type"

  6335. fi

  6336. echo "ARCH                      $arch ($cpu)"

  6337. if test "$build_suffix" != ""; then

  6338.     echo "build suffix              $build_suffix"

  6339. fi

  6340. if test "$progs_suffix" != ""; then

  6341.     echo "progs suffix              $progs_suffix"

  6342. fi

  6343. if test "$extra_version" != ""; then

  6344.     echo "version string suffix     $extra_version"

  6345. fi

  6346. echo "big-endian                ${bigendian-no}"

  6347. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6348. if enabled x86; then

  6349.     echo "${yasmexe}                      ${yasm-no}"

  6350.     echo "MMX enabled               ${mmx-no}"

  6351.     echo "MMXEXT enabled            ${mmxext-no}"

  6352.     echo "3DNow! enabled            ${amd3dnow-no}"

  6353.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6354.     echo "SSE enabled               ${sse-no}"

  6355.     echo "SSSE3 enabled             ${ssse3-no}"

  6356.     echo "AESNI enabled             ${aesni-no}"

  6357.     echo "AVX enabled               ${avx-no}"

  6358.     echo "XOP enabled               ${xop-no}"

  6359.     echo "FMA3 enabled              ${fma3-no}"

  6360.     echo "FMA4 enabled              ${fma4-no}"

  6361.     echo "i686 features enabled     ${i686-no}"

  6362.     echo "CMOV is fast              ${fast_cmov-no}"

  6363.     echo "EBX available             ${ebx_available-no}"

  6364.     echo "EBP available             ${ebp_available-no}"

  6365. fi

  6366. if enabled aarch64; then

  6367.     echo "NEON enabled              ${neon-no}"

  6368.     echo "VFP enabled               ${vfp-no}"

  6369. fi

  6370. if enabled arm; then

  6371.     echo "ARMv5TE enabled           ${armv5te-no}"

  6372.     echo "ARMv6 enabled             ${armv6-no}"

  6373.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6374.     echo "VFP enabled               ${vfp-no}"

  6375.     echo "NEON enabled              ${neon-no}"

  6376.     echo "THUMB enabled             ${thumb-no}"

  6377. fi

  6378. if enabled mips; then

  6379.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6380.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6381.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6382.     echo "MIPS MSA enabled          ${msa-no}"

  6383.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6384. fi

  6385. if enabled ppc; then

  6386.     echo "AltiVec enabled           ${altivec-no}"

  6387.     echo "VSX enabled               ${vsx-no}"

  6388.     echo "POWER8 enabled            ${power8-no}"

  6389.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6390.     echo "dcbzl available           ${dcbzl-no}"

  6391. fi

  6392. echo "debug symbols             ${debug-no}"

  6393. echo "strip symbols             ${stripping-no}"

  6394. echo "optimize for size         ${small-no}"

  6395. echo "optimizations             ${optimizations-no}"

  6396. echo "static                    ${static-no}"

  6397. echo "shared                    ${shared-no}"

  6398. echo "postprocessing support    ${postproc-no}"

  6399. echo "new filter support        ${avfilter-no}"

  6400. echo "network support           ${network-no}"

  6401. echo "threading support         ${thread_type-no}"

  6402. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6403. echo "SDL support               ${sdl-no}"

  6404. echo "opencl enabled            ${opencl-no}"

  6405. echo "JNI support               ${jni-no}"

  6406. echo "texi2html enabled         ${texi2html-no}"

  6407. echo "perl enabled              ${perl-no}"

  6408. echo "pod2man enabled           ${pod2man-no}"

  6409. echo "makeinfo enabled          ${makeinfo-no}"

  6410. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6411. test -n "$random_seed" &&

  6412.     echo "random seed               ${random_seed}"

  6413. echo

  6414. 

  6415. echo "Enabled programs:"

  6416. print_enabled '' $PROGRAM_LIST | print_in_columns

  6417. echo

  6418. 

  6419. echo "External libraries:"

  6420. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6421. echo

  6422. 

  6423. echo "Libraries:"

  6424. print_enabled '' $LIBRARY_LIST | print_in_columns

  6425. echo

  6426. 

  6427. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6428.     echo "Enabled ${type}s:"

  6429.     eval list=\$$(toupper $type)_LIST

  6430.     print_enabled '_*' $list | print_in_columns

  6431.     echo

  6432. done

  6433. 

  6434. echo "Enabled Hardware-accelerated codecs:"

  6435. print_enabled '' $HW_CODECS_LIST | print_in_columns

  6436. echo

  6437. 

  6438. license="LGPL version 2.1 or later"

  6439. if enabled nonfree; then

  6440.     license="nonfree and unredistributable"

  6441. elif enabled gplv3; then

  6442.     license="GPL version 3 or later"

  6443. elif enabled lgplv3; then

  6444.     license="LGPL version 3 or later"

  6445. elif enabled gpl; then

  6446.     license="GPL version 2 or later"

  6447. fi

  6448. 

  6449. echo "License: $license"

  6450. 

  6451. echo "Creating config.mak, config.h, and doc/config.texi..."

  6452. 

  6453. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6454. 

  6455. enabled stripping || strip="echo skipping strip"

  6456. 

  6457. config_files="$TMPH config.mak doc/config.texi"

  6458. 

  6459. cat > config.mak <<EOF

  6460. # Automatically generated by configure - do not modify!

  6461. ifndef FFMPEG_CONFIG_MAK

  6462. FFMPEG_CONFIG_MAK=1

  6463. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6464. prefix=$prefix

  6465. LIBDIR=\$(DESTDIR)$libdir

  6466. SHLIBDIR=\$(DESTDIR)$shlibdir

  6467. INCDIR=\$(DESTDIR)$incdir

  6468. BINDIR=\$(DESTDIR)$bindir

  6469. DATADIR=\$(DESTDIR)$datadir

  6470. DOCDIR=\$(DESTDIR)$docdir

  6471. MANDIR=\$(DESTDIR)$mandir

  6472. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6473. INSTALL_NAME_DIR=$install_name_dir

  6474. SRC_PATH=$source_path

  6475. SRC_LINK=$source_link

  6476. ifndef MAIN_MAKEFILE

  6477. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6478. endif

  6479. CC_IDENT=$cc_ident

  6480. ARCH=$arch

  6481. INTRINSICS=$intrinsics

  6482. CC=$cc

  6483. CXX=$cxx

  6484. AS=$as

  6485. OBJCC=$objcc

  6486. LD=$ld

  6487. DEPCC=$dep_cc

  6488. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6489. DEPAS=$as

  6490. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6491. YASM=$yasmexe

  6492. DEPYASM=$yasmexe

  6493. AR=$ar

  6494. ARFLAGS=$arflags

  6495. AR_O=$ar_o

  6496. RANLIB=$ranlib

  6497. STRIP=$strip

  6498. CP=cp -p

  6499. LN_S=$ln_s

  6500. CPPFLAGS=$CPPFLAGS

  6501. CFLAGS=$CFLAGS

  6502. CXXFLAGS=$CXXFLAGS

  6503. OBJCFLAGS=$OBJCFLAGS

  6504. ASFLAGS=$ASFLAGS

  6505. AS_C=$AS_C

  6506. AS_O=$AS_O

  6507. OBJCC_C=$OBJCC_C

  6508. OBJCC_E=$OBJCC_E

  6509. OBJCC_O=$OBJCC_O

  6510. CC_C=$CC_C

  6511. CC_E=$CC_E

  6512. CC_O=$CC_O

  6513. CXX_C=$CXX_C

  6514. CXX_O=$CXX_O

  6515. LD_O=$LD_O

  6516. LD_LIB=$LD_LIB

  6517. LD_PATH=$LD_PATH

  6518. DLLTOOL=$dlltool

  6519. WINDRES=$windres

  6520. DEPWINDRES=$dep_cc

  6521. DOXYGEN=$doxygen

  6522. LDFLAGS=$LDFLAGS

  6523. LDEXEFLAGS=$LDEXEFLAGS

  6524. LDLIBFLAGS=$LDLIBFLAGS

  6525. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6526. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6527. YASMFLAGS=$YASMFLAGS

  6528. BUILDSUF=$build_suffix

  6529. PROGSSUF=$progs_suffix

  6530. FULLNAME=$FULLNAME

  6531. LIBPREF=$LIBPREF

  6532. LIBSUF=$LIBSUF

  6533. LIBNAME=$LIBNAME

  6534. SLIBPREF=$SLIBPREF

  6535. SLIBSUF=$SLIBSUF

  6536. EXESUF=$EXESUF

  6537. EXTRA_VERSION=$extra_version

  6538. CCDEP=$CCDEP

  6539. CXXDEP=$CXXDEP

  6540. CCDEP_FLAGS=$CCDEP_FLAGS

  6541. ASDEP=$ASDEP

  6542. ASDEP_FLAGS=$ASDEP_FLAGS

  6543. CC_DEPFLAGS=$CC_DEPFLAGS

  6544. AS_DEPFLAGS=$AS_DEPFLAGS

  6545. HOSTCC=$host_cc

  6546. HOSTLD=$host_ld

  6547. HOSTCFLAGS=$host_cflags

  6548. HOSTCPPFLAGS=$host_cppflags

  6549. HOSTEXESUF=$HOSTEXESUF

  6550. HOSTLDFLAGS=$host_ldflags

  6551. HOSTLIBS=$host_libs

  6552. DEPHOSTCC=$host_cc

  6553. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6554. HOSTCCDEP=$HOSTCCDEP

  6555. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6556. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6557. HOSTCC_C=$HOSTCC_C

  6558. HOSTCC_O=$HOSTCC_O

  6559. HOSTLD_O=$HOSTLD_O

  6560. TARGET_EXEC=$target_exec $target_exec_args

  6561. TARGET_PATH=$target_path

  6562. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6563. CFLAGS-ffplay=$sdl_cflags

  6564. ZLIB=$($ldflags_filter -lz)

  6565. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6566. EXTRALIBS=$extralibs

  6567. COMPAT_OBJS=$compat_objs

  6568. EXEOBJS=$exeobjs

  6569. INSTALL=$install

  6570. LIBTARGET=${LIBTARGET}

  6571. SLIBNAME=${SLIBNAME}

  6572. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6573. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6574. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6575. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6576. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6577. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6578. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6579. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6580. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6581. NOREDZONE_FLAGS=$noredzone_flags

  6582. EOF

  6583. 

  6584. get_version(){

  6585.     lcname=lib${1}

  6586.     name=$(toupper $lcname)

  6587.     file=$source_path/$lcname/version.h

  6588.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6589.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6590.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6591.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6592.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6593.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6594. }

  6595. 

  6596. map 'get_version $v' $LIBRARY_LIST

  6597. 

  6598. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6599. 

  6600. print_program_libs(){

  6601.     eval "program_libs=\$${1}_libs"

  6602.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6603. }

  6604. 

  6605. map 'print_program_libs $v' $PROGRAM_LIST

  6606. 

  6607. cat > $TMPH <<EOF

  6608. /* Automatically generated by configure - do not modify! */

  6609. #ifndef FFMPEG_CONFIG_H

  6610. #define FFMPEG_CONFIG_H

  6611. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6612. #define FFMPEG_LICENSE "$(c_escape $license)"

  6613. #define CONFIG_THIS_YEAR 2016

  6614. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6615. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6616. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6617. #define av_restrict $_restrict

  6618. #define EXTERN_PREFIX "${extern_prefix}"

  6619. #define EXTERN_ASM ${extern_prefix}

  6620. #define BUILDSUF "$build_suffix"

  6621. #define SLIBSUF "$SLIBSUF"

  6622. #define HAVE_MMX2 HAVE_MMXEXT

  6623. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6624. EOF

  6625. 

  6626. test -n "$assert_level" &&

  6627.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6628. 

  6629. test -n "$malloc_prefix" &&

  6630.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6631. 

  6632. if enabled yasm; then

  6633.     append config_files $TMPASM

  6634.     printf '' >$TMPASM

  6635. fi

  6636. 

  6637. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6638. 

  6639. 

  6640. mkdir -p doc

  6641. mkdir -p tests

  6642. mkdir -p tests/api

  6643. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6644. 

  6645. print_config ARCH_   "$config_files" $ARCH_LIST

  6646. print_config HAVE_   "$config_files" $HAVE_LIST

  6647. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6648.                                      $CONFIG_EXTRA      \

  6649.                                      $ALL_COMPONENTS    \

  6650. 

  6651. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6652. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6653. 

  6654. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6655. cp_if_changed $TMPH config.h

  6656. touch .config

  6657. 

  6658. enabled yasm && cp_if_changed $TMPASM config.asm

  6659. 

  6660. cat > $TMPH <<EOF

  6661. /* Generated by ffconf */

  6662. #ifndef AVUTIL_AVCONFIG_H

  6663. #define AVUTIL_AVCONFIG_H

  6664. EOF

  6665. 

  6666. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6667. 

  6668. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6669. 

  6670. cp_if_changed $TMPH libavutil/avconfig.h

  6671. 

  6672. if test -n "$WARNINGS"; then

  6673.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6674.     enabled fatal_warnings && exit 1

  6675. fi

  6676. 

  6677. # generate the lists of enabled components

  6678. print_enabled_components(){

  6679.     file=$1

  6680.     struct_name=$2

  6681.     name=$3

  6682.     shift 3

  6683.     echo "static const $struct_name *$name[] = {" > $TMPH

  6684.     for c in $*; do

  6685.         enabled $c && printf "    &ff_%s,\n" $c >> $TMPH

  6686.     done

  6687.     echo "    NULL };" >> $TMPH

  6688.     cp_if_changed $TMPH $file

  6689. }

  6690. 

  6691. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  6692. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  6693. 

  6694. # build pkg-config files

  6695. 

  6696. lib_version(){

  6697.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6698. }

  6699. 

  6700. pkgconfig_generate(){

  6701.     name=$1

  6702.     shortname=${name#lib}${build_suffix}

  6703.     comment=$2

  6704.     version=$3

  6705.     libs=$4

  6706.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6707.     requires=${requires%, }

  6708.     enabled ${name#lib} || return 0

  6709.     mkdir -p $name

  6710.     cat <<EOF > $name/$name${build_suffix}.pc

  6711. prefix=$prefix

  6712. exec_prefix=\${prefix}

  6713. libdir=$libdir

  6714. includedir=$incdir

  6715. 

  6716. Name: $name

  6717. Description: $comment

  6718. Version: $version

  6719. Requires: $(enabled shared || echo $requires)

  6720. Requires.private: $(enabled shared && echo $requires)

  6721. Conflicts:

  6722. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6723. Libs.private: $(enabled shared && echo $libs)

  6724. Cflags: -I\${includedir}

  6725. EOF

  6726. 

  6727. mkdir -p doc/examples/pc-uninstalled

  6728. includedir=${source_path}

  6729. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6730.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6731. prefix=

  6732. exec_prefix=

  6733. libdir=\${pcfiledir}/../../../$name

  6734. includedir=${includedir}

  6735. 

  6736. Name: $name

  6737. Description: $comment

  6738. Version: $version

  6739. Requires: $requires

  6740. Conflicts:

  6741. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6742. Cflags: -I\${includedir}

  6743. EOF

  6744. }

  6745. 

  6746. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6747. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6748. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6749. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6750. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6751. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6752. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6753. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6754. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"