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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

  111.   --enable-raise-major     increase major version numbers in sonames [no]

  112. 

  113. Program options:

  114.   --disable-programs       do not build command line programs

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

  136.   --disable-pthreads       disable pthreads [autodetect]

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

  142.   --disable-error-resilience disable error resilience code

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

  157.   --enable-videotoolbox    enable VideoToolbox code [autodetect]

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

  198.   --disable-bzlib          disable bzlib [autodetect]

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

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

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

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

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

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

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

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

  207.                            if openssl is not used [no]

  208.   --disable-iconv          disable iconv [autodetect]

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

  210.   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]

  211.   --enable-libass          enable libass subtitles rendering,

  212.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  219.                            and libraw1394 [no]

  220.   --enable-libdcadec       enable DCA decoding via libdcadec [no]

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

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

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

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

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

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

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

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

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

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

  231.   --enable-libmfx          enable HW acceleration through libmfx

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

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

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

  235.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

  244.   --enable-libquvi         enable quvi input via libquvi [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  259.   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]

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

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

  262.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  284.   --enable-opencl          enable OpenCL code

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

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

  287.                            if gnutls is not used [no]

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

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

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

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

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

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

  294.   --disable-xlib           disable xlib [autodetect]

  295.   --disable-zlib           disable zlib [autodetect]

  296. 

  297. Toolchain options:

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

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

  300.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  347. 

  348. Advanced options (experts only):

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

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

  351.   --disable-symver         disable symbol versioning

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

  353.   --disable-safe-bitstream-reader

  354.                            disable buffer boundary checking in bitreaders

  355.                            (faster, but may crash)

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

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

  358. 

  359. Optimization options (experts only):

  360.   --disable-asm            disable all assembly optimizations

  361.   --disable-altivec        disable AltiVec optimizations

  362.   --disable-vsx            disable VSX optimizations

  363.   --disable-power8         disable POWER8 optimizations

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

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

  366.   --disable-mmx            disable MMX optimizations

  367.   --disable-mmxext         disable MMXEXT optimizations

  368.   --disable-sse            disable SSE optimizations

  369.   --disable-sse2           disable SSE2 optimizations

  370.   --disable-sse3           disable SSE3 optimizations

  371.   --disable-ssse3          disable SSSE3 optimizations

  372.   --disable-sse4           disable SSE4 optimizations

  373.   --disable-sse42          disable SSE4.2 optimizations

  374.   --disable-avx            disable AVX optimizations

  375.   --disable-xop            disable XOP optimizations

  376.   --disable-fma3           disable FMA3 optimizations

  377.   --disable-fma4           disable FMA4 optimizations

  378.   --disable-avx2           disable AVX2 optimizations

  379.   --disable-aesni          disable AESNI optimizations

  380.   --disable-armv5te        disable armv5te optimizations

  381.   --disable-armv6          disable armv6 optimizations

  382.   --disable-armv6t2        disable armv6t2 optimizations

  383.   --disable-vfp            disable VFP optimizations

  384.   --disable-neon           disable NEON optimizations

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

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

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

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

  389.   --disable-msa            disable MSA optimizations

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

  391.   --disable-mmi            disable Loongson SIMD optimizations

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

  393. 

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

  395.   --disable-debug          disable debugging symbols

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

  397.   --disable-optimizations  disable compiler optimizations

  398.   --enable-extra-warnings  enable more compiler warnings

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

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

  401.                            2 causes a slowdown at runtime.

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

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

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

  405.                            Cannot be combined with --target-exec

  406.   --enable-ftrapv          Trap arithmetic overflows

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

  408.                            \$FATE_SAMPLES at make invocation time.

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

  410.                            used only for debugging purposes)

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

  412.                            should be used only for debugging purposes)

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

  414.   --disable-random

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

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

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

  418.                            (group) and PROB the probability associated with

  419.                            NAME (default 0.5).

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

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

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

  423. 

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

  425. EOF

  426.   exit 0

  427. }

  428. 

  429. quotes='""'

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

  431.     ncolors=$(tput colors)

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

  433.         bold_color=$(tput bold)

  434.         warn_color=$(tput setaf 3)

  435.         error_color=$(tput setaf 1)

  436.         reset_color=$(tput sgr0)

  437.     fi

  438.     # 72 used instead of 80 since that's the default of pr

  439.     ncols=$(tput cols)

  440. fi

  441. : ${ncols:=72}

  442. 

  443. log(){

  444.     echo "$@" >> $logfile

  445. }

  446. 

  447. log_file(){

  448.     log BEGIN $1

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

  450.     log END $1

  451. }

  452. 

  453. warn(){

  454.     log "WARNING: $*"

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

  456. }

  457. 

  458. die(){

  459.     log "$@"

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

  461.     cat <<EOF

  462. 

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

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

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

  466. EOF

  467.     if disabled logging; then

  468.         cat <<EOF

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

  470. include the log this produces with your report.

  471. EOF

  472.     else

  473.         cat <<EOF

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

  475. solve the problem.

  476. EOF

  477.     fi

  478.     exit 1

  479. }

  480. 

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

  482. toupper(){

  483.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  484. }

  485. 

  486. tolower(){

  487.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  488. }

  489. 

  490. c_escape(){

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

  492. }

  493. 

  494. sh_quote(){

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

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

  497.     echo "$v"

  498. }

  499. 

  500. cleanws(){

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

  502. }

  503. 

  504. filter(){

  505.     pat=$1

  506.     shift

  507.     for v; do

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

  509.     done

  510. }

  511. 

  512. filter_out(){

  513.     pat=$1

  514.     shift

  515.     for v; do

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

  517.     done

  518. }

  519. 

  520. map(){

  521.     m=$1

  522.     shift

  523.     for v; do eval $m; done

  524. }

  525. 

  526. add_suffix(){

  527.     suffix=$1

  528.     shift

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

  530. }

  531. 

  532. set_all(){

  533.     value=$1

  534.     shift

  535.     for var in $*; do

  536.         eval $var=$value

  537.     done

  538. }

  539. 

  540. set_weak(){

  541.     value=$1

  542.     shift

  543.     for var; do

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

  545.     done

  546. }

  547. 

  548. sanitize_var_name(){

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

  550. }

  551. 

  552. set_safe(){

  553.     var=$1

  554.     shift

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

  556. }

  557. 

  558. get_safe(){

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

  560. }

  561. 

  562. pushvar(){

  563.     for pvar in $*; do

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

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

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

  567.     done

  568. }

  569. 

  570. popvar(){

  571.     for pvar in $*; do

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

  573.         test $level = 0 && continue

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

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

  576.         eval ${pvar}_level=$level

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

  578.     done

  579. }

  580. 

  581. enable(){

  582.     set_all yes $*

  583. }

  584. 

  585. disable(){

  586.     set_all no $*

  587. }

  588. 

  589. enable_weak(){

  590.     set_weak yes $*

  591. }

  592. 

  593. disable_weak(){

  594.     set_weak no $*

  595. }

  596. 

  597. enable_safe(){

  598.     for var; do

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

  600.     done

  601. }

  602. 

  603. disable_safe(){

  604.     for var; do

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

  606.     done

  607. }

  608. 

  609. do_enable_deep(){

  610.     for var; do

  611.         enabled $var && continue

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

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

  614.         pushvar var sgs

  615.         enable_deep $sel

  616.         popvar sgs

  617.         enable_deep_weak $sgs

  618.         popvar var

  619.     done

  620. }

  621. 

  622. enable_deep(){

  623.     do_enable_deep $*

  624.     enable $*

  625. }

  626. 

  627. enable_deep_weak(){

  628.     for var; do

  629.         disabled $var && continue

  630.         pushvar var

  631.         do_enable_deep $var

  632.         popvar var

  633.         enable_weak $var

  634.     done

  635. }

  636. 

  637. enabled(){

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

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

  640. }

  641. 

  642. disabled(){

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

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

  645. }

  646. 

  647. enabled_all(){

  648.     for opt; do

  649.         enabled $opt || return 1

  650.     done

  651. }

  652. 

  653. disabled_all(){

  654.     for opt; do

  655.         disabled $opt || return 1

  656.     done

  657. }

  658. 

  659. enabled_any(){

  660.     for opt; do

  661.         enabled $opt && return 0

  662.     done

  663. }

  664. 

  665. disabled_any(){

  666.     for opt; do

  667.         disabled $opt && return 0

  668.     done

  669.     return 1

  670. }

  671. 

  672. set_default(){

  673.     for opt; do

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

  675.     done

  676. }

  677. 

  678. is_in(){

  679.     value=$1

  680.     shift

  681.     for var in $*; do

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

  683.     done

  684.     return 1

  685. }

  686. 

  687. do_check_deps(){

  688.     for cfg; do

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

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

  691.         disabled ${cfg}_checking && continue

  692.         enable ${cfg}_checking

  693.         append allopts $cfg

  694. 

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

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

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

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

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

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

  701. 

  702.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  704.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  705. 

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

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

  708.         enabled_all  $dep_all || disable $cfg

  709.         enabled_any  $dep_any || disable $cfg

  710.         disabled_any $dep_sel && disable $cfg

  711. 

  712.         if enabled $cfg; then

  713.             enable_deep $dep_sel

  714.             enable_deep_weak $dep_sgs

  715.         fi

  716. 

  717.         disable ${cfg}_checking

  718.     done

  719. }

  720. 

  721. check_deps(){

  722.     unset allopts

  723. 

  724.     do_check_deps "$@"

  725. 

  726.     for cfg in $allopts; do

  727.         enabled $cfg || continue

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

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

  730.     done

  731. }

  732. 

  733. print_config(){

  734.     pfx=$1

  735.     files=$2

  736.     shift 2

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

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

  739.         {

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

  741.             v = \$2;

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

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

  744.             for (f in files) {

  745.                 file = files[f];

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

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

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

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

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

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

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

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

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

  755.                     yesno = \$2;

  756.                     c2 = tolower(c);

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

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

  759.                 }

  760.             }

  761.         }"

  762. }

  763. 

  764. print_enabled(){

  765.     suf=$1

  766.     shift

  767.     for v; do

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

  769.     done

  770. }

  771. 

  772. append(){

  773.     var=$1

  774.     shift

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

  776. }

  777. 

  778. prepend(){

  779.     var=$1

  780.     shift

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

  782. }

  783. 

  784. unique(){

  785.     var=$1

  786.     uniq_list=""

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

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

  789.     done

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

  791. }

  792. 

  793. add_cppflags(){

  794.     append CPPFLAGS "$@"

  795. }

  796. 

  797. add_cflags(){

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

  799. }

  800. 

  801. add_cxxflags(){

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

  803. }

  804. 

  805. add_asflags(){

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

  807. }

  808. 

  809. add_objcflags(){

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

  811. }

  812. 

  813. add_ldflags(){

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

  815. }

  816. 

  817. add_ldexeflags(){

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

  819. }

  820. 

  821. add_ldlibflags(){

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

  823. }

  824. 

  825. add_stripflags(){

  826.     append ASMSTRIPFLAGS "$@"

  827. }

  828. 

  829. add_extralibs(){

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

  831. }

  832. 

  833. add_host_cppflags(){

  834.     append host_cppflags "$@"

  835. }

  836. 

  837. add_host_cflags(){

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

  839. }

  840. 

  841. add_host_ldflags(){

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

  843. }

  844. 

  845. add_compat(){

  846.     append compat_objs $1

  847.     shift

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

  849. }

  850. 

  851. check_cmd(){

  852.     log "$@"

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

  854. }

  855. 

  856. check_stat(){

  857.     log check_stat "$@"

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

  859. }

  860. 

  861. cc_o(){

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

  863. }

  864. 

  865. cc_e(){

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

  867. }

  868. 

  869. check_cc(){

  870.     log check_cc "$@"

  871.     cat > $TMPC

  872.     log_file $TMPC

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

  874. }

  875. 

  876. check_cxx(){

  877.     log check_cxx "$@"

  878.     cat > $TMPCPP

  879.     log_file $TMPCPP

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

  881. }

  882. 

  883. check_objcc(){

  884.     log check_objcc "$@"

  885.     cat > $TMPM

  886.     log_file $TMPM

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

  888. }

  889. 

  890. check_cpp(){

  891.     log check_cpp "$@"

  892.     cat > $TMPC

  893.     log_file $TMPC

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

  895. }

  896. 

  897. as_o(){

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

  899. }

  900. 

  901. check_as(){

  902.     log check_as "$@"

  903.     cat > $TMPS

  904.     log_file $TMPS

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

  906. }

  907. 

  908. check_inline_asm(){

  909.     log check_inline_asm "$@"

  910.     name="$1"

  911.     code="$2"

  912.     shift 2

  913.     disable $name

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

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

  916. EOF

  917. }

  918. 

  919. check_insn(){

  920.     log check_insn "$@"

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

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

  923. }

  924. 

  925. check_yasm(){

  926.     log check_yasm "$@"

  927.     echo "$1" > $TMPS

  928.     log_file $TMPS

  929.     shift 1

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

  931. }

  932. 

  933. ld_o(){

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

  935. }

  936. 

  937. check_ld(){

  938.     log check_ld "$@"

  939.     type=$1

  940.     shift 1

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

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

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

  944.     flags=$($ldflags_filter $flags)

  945.     libs=$($ldflags_filter $libs)

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

  947. }

  948. 

  949. print_include(){

  950.     hdr=$1

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

  952.         echo "#include $hdr"    ||

  953.         echo "#include <$hdr>"

  954. }

  955. 

  956. check_code(){

  957.     log check_code "$@"

  958.     check=$1

  959.     headers=$2

  960.     code=$3

  961.     shift 3

  962.     {

  963.         for hdr in $headers; do

  964.             print_include $hdr

  965.         done

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

  967.     } | check_$check "$@"

  968. }

  969. 

  970. check_cppflags(){

  971.     log check_cppflags "$@"

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

  973. int x;

  974. EOF

  975. }

  976. 

  977. test_cflags(){

  978.     log test_cflags "$@"

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

  980.     check_cc "$@" <<EOF

  981. int x;

  982. EOF

  983. }

  984. 

  985. check_cflags(){

  986.     log check_cflags "$@"

  987.     test_cflags "$@" && add_cflags "$@"

  988. }

  989. 

  990. check_cxxflags(){

  991.     log check_cxxflags "$@"

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

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

  994. int x;

  995. EOF

  996. }

  997. 

  998. test_objcflags(){

  999.     log test_cflags "$@"

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

  1001.     check_objcc "$@" <<EOF

  1002. int x;

  1003. EOF

  1004. }

  1005. 

  1006. check_objcflags(){

  1007.     log check_cflags "$@"

  1008.     test_objcflags "$@" && add_objcflags "$@"

  1009. }

  1010. 

  1011. test_ldflags(){

  1012.     log test_ldflags "$@"

  1013.     check_ld "cc" "$@" <<EOF

  1014. int main(void){ return 0; }

  1015. EOF

  1016. }

  1017. 

  1018. check_ldflags(){

  1019.     log check_ldflags "$@"

  1020.     test_ldflags "$@" && add_ldflags "$@"

  1021. }

  1022. 

  1023. test_stripflags(){

  1024.     log test_stripflags "$@"

  1025.     # call check_cc to get a fresh TMPO

  1026.     check_cc <<EOF

  1027. int main(void) { return 0; }

  1028. EOF

  1029.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1030. }

  1031. 

  1032. check_stripflags(){

  1033.     log check_stripflags "$@"

  1034.     test_stripflags "$@" && add_stripflags "$@"

  1035. }

  1036. 

  1037. check_header(){

  1038.     log check_header "$@"

  1039.     header=$1

  1040.     shift

  1041.     disable_safe $header

  1042.     check_cpp "$@" <<EOF && enable_safe $header

  1043. #include <$header>

  1044. int x;

  1045. EOF

  1046. }

  1047. 

  1048. check_header_objcc(){

  1049.     log check_header_objcc "$@"

  1050.     rm -f -- "$TMPO"

  1051.     header=$1

  1052.     shift

  1053.     disable_safe $header

  1054.     {

  1055.        echo "#include <$header>"

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

  1057.     } | check_objcc && check_stat "$TMPO" && enable_safe $headers

  1058. }

  1059. 

  1060. check_func(){

  1061.     log check_func "$@"

  1062.     func=$1

  1063.     shift

  1064.     disable $func

  1065.     check_ld "cc" "$@" <<EOF && enable $func

  1066. extern int $func();

  1067. int main(void){ $func(); }

  1068. EOF

  1069. }

  1070. 

  1071. check_complexfunc(){

  1072.     log check_complexfunc "$@"

  1073.     func=$1

  1074.     narg=$2

  1075.     shift 2

  1076.     test $narg = 2 && args="f, g" || args="f * I"

  1077.     disable $func

  1078.     check_ld "cc" "$@" <<EOF && enable $func

  1079. #include <complex.h>

  1080. #include <math.h>

  1081. float foo(complex float f, complex float g) { return $func($args); }

  1082. int main(void){ return (int) foo; }

  1083. EOF

  1084. }

  1085. 

  1086. check_mathfunc(){

  1087.     log check_mathfunc "$@"

  1088.     func=$1

  1089.     narg=$2

  1090.     shift 2

  1091.     test $narg = 2 && args="f, g" || args="f"

  1092.     disable $func

  1093.     check_ld "cc" "$@" <<EOF && enable $func

  1094. #include <math.h>

  1095. float foo(float f, float g) { return $func($args); }

  1096. int main(void){ return (int) foo; }

  1097. EOF

  1098. }

  1099. 

  1100. check_func_headers(){

  1101.     log check_func_headers "$@"

  1102.     headers=$1

  1103.     funcs=$2

  1104.     shift 2

  1105.     {

  1106.         for hdr in $headers; do

  1107.             print_include $hdr

  1108.         done

  1109.         for func in $funcs; do

  1110.             echo "long check_$func(void) { return (long) $func; }"

  1111.         done

  1112.         echo "int main(void) { return 0; }"

  1113.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1114. }

  1115. 

  1116. check_class_headers_cpp(){

  1117.     log check_class_headers_cpp "$@"

  1118.     headers=$1

  1119.     classes=$2

  1120.     shift 2

  1121.     {

  1122.         for hdr in $headers; do

  1123.             echo "#include <$hdr>"

  1124.         done

  1125.         echo "int main(void) { "

  1126.         i=1

  1127.         for class in $classes; do

  1128.             echo "$class obj$i;"

  1129.             i=$(expr $i + 1)

  1130.         done

  1131.         echo "return 0; }"

  1132.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1133. }

  1134. 

  1135. check_cpp_condition(){

  1136.     log check_cpp_condition "$@"

  1137.     header=$1

  1138.     condition=$2

  1139.     shift 2

  1140.     check_cpp "$@" <<EOF

  1141. #include <$header>

  1142. #if !($condition)

  1143. #error "unsatisfied condition: $condition"

  1144. #endif

  1145. EOF

  1146. }

  1147. 

  1148. check_lib(){

  1149.     log check_lib "$@"

  1150.     header="$1"

  1151.     func="$2"

  1152.     shift 2

  1153.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1154. }

  1155. 

  1156. check_lib2(){

  1157.     log check_lib2 "$@"

  1158.     headers="$1"

  1159.     funcs="$2"

  1160.     shift 2

  1161.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1162. }

  1163. 

  1164. check_lib_cpp(){

  1165.     log check_lib_cpp "$@"

  1166.     headers="$1"

  1167.     classes="$2"

  1168.     shift 2

  1169.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1170. }

  1171. 

  1172. check_pkg_config(){

  1173.     log check_pkg_config "$@"

  1174.     pkgandversion="$1"

  1175.     pkg="${1%% *}"

  1176.     headers="$2"

  1177.     funcs="$3"

  1178.     shift 3

  1179.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1180.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1181.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1182.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1183.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1184.         set_safe "${pkg}_libs"   $pkg_libs

  1185. }

  1186. 

  1187. check_exec(){

  1188.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1189. }

  1190. 

  1191. check_exec_crash(){

  1192.     code=$(cat)

  1193. 

  1194.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1195.     # are safe but may not be available everywhere.  Thus we use

  1196.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1197.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1198.     # is not defined by standard C so it is used conditionally.

  1199. 

  1200.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1201. #include <signal.h>

  1202. static void sighandler(int sig){

  1203.     raise(SIGTERM);

  1204. }

  1205. int foo(void){

  1206.     $code

  1207. }

  1208. int (*func_ptr)(void) = foo;

  1209. int main(void){

  1210.     signal(SIGILL, sighandler);

  1211.     signal(SIGFPE, sighandler);

  1212.     signal(SIGSEGV, sighandler);

  1213. #ifdef SIGBUS

  1214.     signal(SIGBUS, sighandler);

  1215. #endif

  1216.     return func_ptr();

  1217. }

  1218. EOF

  1219. }

  1220. 

  1221. check_type(){

  1222.     log check_type "$@"

  1223.     headers=$1

  1224.     type=$2

  1225.     shift 2

  1226.     disable_safe "$type"

  1227.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1228. }

  1229. 

  1230. check_struct(){

  1231.     log check_struct "$@"

  1232.     headers=$1

  1233.     struct=$2

  1234.     member=$3

  1235.     shift 3

  1236.     disable_safe "${struct}_${member}"

  1237.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1238.         enable_safe "${struct}_${member}"

  1239. }

  1240. 

  1241. check_builtin(){

  1242.     log check_builtin "$@"

  1243.     name=$1

  1244.     headers=$2

  1245.     builtin=$3

  1246.     shift 3

  1247.     disable "$name"

  1248.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1249. }

  1250. 

  1251. check_compile_assert(){

  1252.     log check_compile_assert "$@"

  1253.     name=$1

  1254.     headers=$2

  1255.     condition=$3

  1256.     shift 3

  1257.     disable "$name"

  1258.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1259. }

  1260. 

  1261. require(){

  1262.     name="$1"

  1263.     header="$2"

  1264.     func="$3"

  1265.     shift 3

  1266.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1267. }

  1268. 

  1269. require2(){

  1270.     name="$1"

  1271.     headers="$2"

  1272.     func="$3"

  1273.     shift 3

  1274.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1275. }

  1276. 

  1277. require_cpp(){

  1278.     name="$1"

  1279.     headers="$2"

  1280.     classes="$3"

  1281.     shift 3

  1282.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1283. }

  1284. 

  1285. use_pkg_config(){

  1286.     pkg="$1"

  1287.     check_pkg_config "$@" || return 1

  1288.     add_cflags    $(get_safe "${pkg}_cflags")

  1289.     add_extralibs $(get_safe "${pkg}_libs")

  1290. }

  1291. 

  1292. require_pkg_config(){

  1293.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1294. }

  1295. 

  1296. require_libfreetype(){

  1297.     log require_libfreetype "$@"

  1298.     pkg="freetype2"

  1299.     check_cmd $pkg_config --exists --print-errors $pkg \

  1300.       || die "ERROR: $pkg not found"

  1301.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1302.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1303.     {

  1304.         echo "#include <ft2build.h>"

  1305.         echo "#include FT_FREETYPE_H"

  1306.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1307.         echo "int main(void) { return 0; }"

  1308.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1309.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1310.       && set_safe "${pkg}_libs"   $pkg_libs \

  1311.       || die "ERROR: $pkg not found"

  1312.     add_cflags    $(get_safe "${pkg}_cflags")

  1313.     add_extralibs $(get_safe "${pkg}_libs")

  1314. }

  1315. 

  1316. hostcc_e(){

  1317.     eval printf '%s\\n' $HOSTCC_E

  1318. }

  1319. 

  1320. hostcc_o(){

  1321.     eval printf '%s\\n' $HOSTCC_O

  1322. }

  1323. 

  1324. check_host_cc(){

  1325.     log check_host_cc "$@"

  1326.     cat > $TMPC

  1327.     log_file $TMPC

  1328.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1329. }

  1330. 

  1331. check_host_cpp(){

  1332.     log check_host_cpp "$@"

  1333.     cat > $TMPC

  1334.     log_file $TMPC

  1335.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1336. }

  1337. 

  1338. check_host_cppflags(){

  1339.     log check_host_cppflags "$@"

  1340.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1341. int x;

  1342. EOF

  1343. }

  1344. 

  1345. check_host_cflags(){

  1346.     log check_host_cflags "$@"

  1347.     set -- $($host_cflags_filter "$@")

  1348.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1349. int x;

  1350. EOF

  1351. }

  1352. 

  1353. check_host_cpp_condition(){

  1354.     log check_host_cpp_condition "$@"

  1355.     header=$1

  1356.     condition=$2

  1357.     shift 2

  1358.     check_host_cpp "$@" <<EOF

  1359. #include <$header>

  1360. #if !($condition)

  1361. #error "unsatisfied condition: $condition"

  1362. #endif

  1363. EOF

  1364. }

  1365. 

  1366. cp_if_changed(){

  1367.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1368.     mkdir -p "$(dirname $2)"

  1369.     $cp_f "$1" "$2"

  1370. }

  1371. 

  1372. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1373. # system-dependent things.

  1374. 

  1375. AVCODEC_COMPONENTS="

  1376.     bsfs

  1377.     decoders

  1378.     encoders

  1379.     hwaccels

  1380.     parsers

  1381. "

  1382. 

  1383. AVDEVICE_COMPONENTS="

  1384.     indevs

  1385.     outdevs

  1386. "

  1387. AVFILTER_COMPONENTS="

  1388.     filters

  1389. "

  1390. AVFORMAT_COMPONENTS="

  1391.     demuxers

  1392.     muxers

  1393.     protocols

  1394. "

  1395. 

  1396. AVRESAMPLE_COMPONENTS=""

  1397. AVUTIL_COMPONENTS=""

  1398. 

  1399. COMPONENT_LIST="

  1400.     $AVCODEC_COMPONENTS

  1401.     $AVDEVICE_COMPONENTS

  1402.     $AVFILTER_COMPONENTS

  1403.     $AVFORMAT_COMPONENTS

  1404.     $AVRESAMPLE_COMPONENTS

  1405.     $AVUTIL_COMPONENTS

  1406. "

  1407. 

  1408. EXAMPLE_LIST="

  1409.     avio_reading_example

  1410.     avio_dir_cmd_example

  1411.     decoding_encoding_example

  1412.     demuxing_decoding_example

  1413.     extract_mvs_example

  1414.     filter_audio_example

  1415.     filtering_audio_example

  1416.     filtering_video_example

  1417.     metadata_example

  1418.     muxing_example

  1419.     qsvdec_example

  1420.     remuxing_example

  1421.     resampling_audio_example

  1422.     scaling_video_example

  1423.     transcode_aac_example

  1424.     transcoding_example

  1425. "

  1426. 

  1427. EXTERNAL_LIBRARY_LIST="

  1428.     avisynth

  1429.     bzlib

  1430.     chromaprint

  1431.     crystalhd

  1432.     decklink

  1433.     frei0r

  1434.     gcrypt

  1435.     gmp

  1436.     gnutls

  1437.     iconv

  1438.     ladspa

  1439.     libaacplus

  1440.     libass

  1441.     libbluray

  1442.     libbs2b

  1443.     libcaca

  1444.     libcdio

  1445.     libcelt

  1446.     libdc1394

  1447.     libdcadec

  1448.     libfaac

  1449.     libfdk_aac

  1450.     libflite

  1451.     libfontconfig

  1452.     libfreetype

  1453.     libfribidi

  1454.     libgme

  1455.     libgsm

  1456.     libiec61883

  1457.     libilbc

  1458.     libkvazaar

  1459.     libmfx

  1460.     libmodplug

  1461.     libmp3lame

  1462.     libnut

  1463.     libopencore_amrnb

  1464.     libopencore_amrwb

  1465.     libopencv

  1466.     libopenh264

  1467.     libopenjpeg

  1468.     libopus

  1469.     libpulse

  1470.     libquvi

  1471.     librtmp

  1472.     librubberband

  1473.     libschroedinger

  1474.     libshine

  1475.     libsmbclient

  1476.     libsnappy

  1477.     libsoxr

  1478.     libspeex

  1479.     libssh

  1480.     libtesseract

  1481.     libtheora

  1482.     libtwolame

  1483.     libutvideo

  1484.     libv4l2

  1485.     libvidstab

  1486.     libvo_aacenc

  1487.     libvo_amrwbenc

  1488.     libvorbis

  1489.     libvpx

  1490.     libwavpack

  1491.     libwebp

  1492.     libx264

  1493.     libx265

  1494.     libxavs

  1495.     libxcb

  1496.     libxcb_shm

  1497.     libxcb_shape

  1498.     libxcb_xfixes

  1499.     libxvid

  1500.     libzimg

  1501.     libzmq

  1502.     libzvbi

  1503.     lzma

  1504.     mmal

  1505.     netcdf

  1506.     nvenc

  1507.     openal

  1508.     opencl

  1509.     opengl

  1510.     openssl

  1511.     schannel

  1512.     sdl

  1513.     securetransport

  1514.     x11grab

  1515.     xlib

  1516.     zlib

  1517. "

  1518. 

  1519. DOCUMENT_LIST="

  1520.     doc

  1521.     htmlpages

  1522.     manpages

  1523.     podpages

  1524.     txtpages

  1525. "

  1526. 

  1527. FEATURE_LIST="

  1528.     ftrapv

  1529.     gray

  1530.     hardcoded_tables

  1531.     runtime_cpudetect

  1532.     safe_bitstream_reader

  1533.     shared

  1534.     small

  1535.     static

  1536.     swscale_alpha

  1537. "

  1538. 

  1539. HWACCEL_LIST="

  1540.     d3d11va

  1541.     dxva2

  1542.     vaapi

  1543.     vda

  1544.     vdpau

  1545.     videotoolbox

  1546.     xvmc

  1547. "

  1548. 

  1549. LIBRARY_LIST="

  1550.     avcodec

  1551.     avdevice

  1552.     avfilter

  1553.     avformat

  1554.     avresample

  1555.     avutil

  1556.     postproc

  1557.     swresample

  1558.     swscale

  1559. "

  1560. 

  1561. LICENSE_LIST="

  1562.     gpl

  1563.     nonfree

  1564.     version3

  1565. "

  1566. 

  1567. PROGRAM_LIST="

  1568.     ffplay

  1569.     ffprobe

  1570.     ffserver

  1571.     ffmpeg

  1572. "

  1573. 

  1574. SUBSYSTEM_LIST="

  1575.     dct

  1576.     dwt

  1577.     error_resilience

  1578.     faan

  1579.     fast_unaligned

  1580.     fft

  1581.     lsp

  1582.     lzo

  1583.     mdct

  1584.     pixelutils

  1585.     network

  1586.     rdft

  1587. "

  1588. 

  1589. CONFIG_LIST="

  1590.     $COMPONENT_LIST

  1591.     $DOCUMENT_LIST

  1592.     $EXAMPLE_LIST

  1593.     $EXTERNAL_LIBRARY_LIST

  1594.     $FEATURE_LIST

  1595.     $HWACCEL_LIST

  1596.     $LICENSE_LIST

  1597.     $LIBRARY_LIST

  1598.     $PROGRAM_LIST

  1599.     $SUBSYSTEM_LIST

  1600.     fontconfig

  1601.     incompatible_libav_abi

  1602.     memalign_hack

  1603.     memory_poisoning

  1604.     neon_clobber_test

  1605.     pic

  1606.     pod2man

  1607.     raise_major

  1608.     thumb

  1609.     valgrind_backtrace

  1610.     xmm_clobber_test

  1611. "

  1612. 

  1613. THREADS_LIST="

  1614.     pthreads

  1615.     os2threads

  1616.     w32threads

  1617. "

  1618. 

  1619. ATOMICS_LIST="

  1620.     atomics_gcc

  1621.     atomics_suncc

  1622.     atomics_win32

  1623. "

  1624. 

  1625. ARCH_LIST="

  1626.     aarch64

  1627.     alpha

  1628.     arm

  1629.     avr32

  1630.     avr32_ap

  1631.     avr32_uc

  1632.     bfin

  1633.     ia64

  1634.     m68k

  1635.     mips

  1636.     mips64

  1637.     parisc

  1638.     ppc

  1639.     ppc64

  1640.     s390

  1641.     sh4

  1642.     sparc

  1643.     sparc64

  1644.     tilegx

  1645.     tilepro

  1646.     tomi

  1647.     x86

  1648.     x86_32

  1649.     x86_64

  1650. "

  1651. 

  1652. ARCH_EXT_LIST_ARM="

  1653.     armv5te

  1654.     armv6

  1655.     armv6t2

  1656.     armv8

  1657.     neon

  1658.     vfp

  1659.     vfpv3

  1660.     setend

  1661. "

  1662. 

  1663. ARCH_EXT_LIST_MIPS="

  1664.     mipsfpu

  1665.     mips32r2

  1666.     mips64r2

  1667.     mips32r6

  1668.     mips64r6

  1669.     mipsdsp

  1670.     mipsdspr2

  1671.     msa

  1672. "

  1673. 

  1674. ARCH_EXT_LIST_LOONGSON="

  1675.     loongson2

  1676.     loongson3

  1677.     mmi

  1678. "

  1679. 

  1680. ARCH_EXT_LIST_X86_SIMD="

  1681.     aesni

  1682.     amd3dnow

  1683.     amd3dnowext

  1684.     avx

  1685.     avx2

  1686.     fma3

  1687.     fma4

  1688.     mmx

  1689.     mmxext

  1690.     sse

  1691.     sse2

  1692.     sse3

  1693.     sse4

  1694.     sse42

  1695.     ssse3

  1696.     xop

  1697. "

  1698. 

  1699. ARCH_EXT_LIST_PPC="

  1700.     altivec

  1701.     dcbzl

  1702.     ldbrx

  1703.     power8

  1704.     ppc4xx

  1705.     vsx

  1706. "

  1707. 

  1708. ARCH_EXT_LIST_X86="

  1709.     $ARCH_EXT_LIST_X86_SIMD

  1710.     cpunop

  1711.     i686

  1712. "

  1713. 

  1714. ARCH_EXT_LIST="

  1715.     $ARCH_EXT_LIST_ARM

  1716.     $ARCH_EXT_LIST_PPC

  1717.     $ARCH_EXT_LIST_X86

  1718.     $ARCH_EXT_LIST_MIPS

  1719.     $ARCH_EXT_LIST_LOONGSON

  1720. "

  1721. 

  1722. ARCH_FEATURES="

  1723.     aligned_stack

  1724.     fast_64bit

  1725.     fast_clz

  1726.     fast_cmov

  1727.     local_aligned_8

  1728.     local_aligned_16

  1729.     local_aligned_32

  1730.     simd_align_16

  1731. "

  1732. 

  1733. BUILTIN_LIST="

  1734.     atomic_cas_ptr

  1735.     atomic_compare_exchange

  1736.     machine_rw_barrier

  1737.     MemoryBarrier

  1738.     mm_empty

  1739.     rdtsc

  1740.     sarestart

  1741.     sync_val_compare_and_swap

  1742. "

  1743. HAVE_LIST_CMDLINE="

  1744.     inline_asm

  1745.     symver

  1746.     yasm

  1747. "

  1748. 

  1749. HAVE_LIST_PUB="

  1750.     bigendian

  1751.     fast_unaligned

  1752.     incompatible_libav_abi

  1753. "

  1754. 

  1755. HEADERS_LIST="

  1756.     alsa_asoundlib_h

  1757.     altivec_h

  1758.     arpa_inet_h

  1759.     asm_types_h

  1760.     cdio_paranoia_h

  1761.     cdio_paranoia_paranoia_h

  1762.     dev_bktr_ioctl_bt848_h

  1763.     dev_bktr_ioctl_meteor_h

  1764.     dev_ic_bt8xx_h

  1765.     dev_video_bktr_ioctl_bt848_h

  1766.     dev_video_meteor_ioctl_meteor_h

  1767.     direct_h

  1768.     dirent_h

  1769.     dlfcn_h

  1770.     d3d11_h

  1771.     dxva_h

  1772.     ES2_gl_h

  1773.     gsm_h

  1774.     io_h

  1775.     mach_mach_time_h

  1776.     machine_ioctl_bt848_h

  1777.     machine_ioctl_meteor_h

  1778.     malloc_h

  1779.     openjpeg_2_1_openjpeg_h

  1780.     openjpeg_2_0_openjpeg_h

  1781.     openjpeg_1_5_openjpeg_h

  1782.     OpenGL_gl3_h

  1783.     poll_h

  1784.     sndio_h

  1785.     soundcard_h

  1786.     sys_mman_h

  1787.     sys_param_h

  1788.     sys_resource_h

  1789.     sys_select_h

  1790.     sys_soundcard_h

  1791.     sys_time_h

  1792.     sys_un_h

  1793.     sys_videoio_h

  1794.     termios_h

  1795.     udplite_h

  1796.     unistd_h

  1797.     valgrind_valgrind_h

  1798.     windows_h

  1799.     winsock2_h

  1800. "

  1801. 

  1802. INTRINSICS_LIST="

  1803.     intrinsics_neon

  1804. "

  1805. 

  1806. COMPLEX_FUNCS="

  1807.     cabs

  1808.     cexp

  1809. "

  1810. 

  1811. MATH_FUNCS="

  1812.     atanf

  1813.     atan2f

  1814.     cbrt

  1815.     cbrtf

  1816.     copysign

  1817.     cosf

  1818.     erf

  1819.     exp2

  1820.     exp2f

  1821.     expf

  1822.     hypot

  1823.     isfinite

  1824.     isinf

  1825.     isnan

  1826.     ldexpf

  1827.     llrint

  1828.     llrintf

  1829.     log2

  1830.     log2f

  1831.     log10f

  1832.     lrint

  1833.     lrintf

  1834.     powf

  1835.     rint

  1836.     round

  1837.     roundf

  1838.     sinf

  1839.     trunc

  1840.     truncf

  1841. "

  1842. 

  1843. SYSTEM_FUNCS="

  1844.     access

  1845.     aligned_malloc

  1846.     arc4random

  1847.     clock_gettime

  1848.     closesocket

  1849.     CommandLineToArgvW

  1850.     CoTaskMemFree

  1851.     CryptGenRandom

  1852.     dlopen

  1853.     fcntl

  1854.     flt_lim

  1855.     fork

  1856.     getaddrinfo

  1857.     gethrtime

  1858.     getopt

  1859.     GetProcessAffinityMask

  1860.     GetProcessMemoryInfo

  1861.     GetProcessTimes

  1862.     getrusage

  1863.     GetSystemTimeAsFileTime

  1864.     gettimeofday

  1865.     glob

  1866.     glXGetProcAddress

  1867.     gmtime_r

  1868.     inet_aton

  1869.     isatty

  1870.     jack_port_get_latency_range

  1871.     kbhit

  1872.     localtime_r

  1873.     lstat

  1874.     lzo1x_999_compress

  1875.     mach_absolute_time

  1876.     MapViewOfFile

  1877.     memalign

  1878.     mkstemp

  1879.     mmap

  1880.     mprotect

  1881.     nanosleep

  1882.     PeekNamedPipe

  1883.     posix_memalign

  1884.     pthread_cancel

  1885.     sched_getaffinity

  1886.     SetConsoleTextAttribute

  1887.     SetConsoleCtrlHandler

  1888.     setmode

  1889.     setrlimit

  1890.     Sleep

  1891.     strerror_r

  1892.     sysconf

  1893.     sysctl

  1894.     usleep

  1895.     UTGetOSTypeFromString

  1896.     VirtualAlloc

  1897.     wglGetProcAddress

  1898. "

  1899. 

  1900. TOOLCHAIN_FEATURES="

  1901.     as_dn_directive

  1902.     as_func

  1903.     as_object_arch

  1904.     asm_mod_q

  1905.     attribute_may_alias

  1906.     attribute_packed

  1907.     ebp_available

  1908.     ebx_available

  1909.     gnu_as

  1910.     gnu_windres

  1911.     ibm_asm

  1912.     inline_asm_labels

  1913.     inline_asm_nonlocal_labels

  1914.     inline_asm_direct_symbol_refs

  1915.     pragma_deprecated

  1916.     rsync_contimeout

  1917.     symver_asm_label

  1918.     symver_gnu_asm

  1919.     vfp_args

  1920.     xform_asm

  1921.     xmm_clobbers

  1922. "

  1923. 

  1924. TYPES_LIST="

  1925.     CONDITION_VARIABLE_Ptr

  1926.     socklen_t

  1927.     struct_addrinfo

  1928.     struct_group_source_req

  1929.     struct_ip_mreq_source

  1930.     struct_ipv6_mreq

  1931.     struct_pollfd

  1932.     struct_rusage_ru_maxrss

  1933.     struct_sctp_event_subscribe

  1934.     struct_sockaddr_in6

  1935.     struct_sockaddr_sa_len

  1936.     struct_sockaddr_storage

  1937.     struct_stat_st_mtim_tv_nsec

  1938.     struct_v4l2_frmivalenum_discrete

  1939. "

  1940. 

  1941. HAVE_LIST="

  1942.     $ARCH_EXT_LIST

  1943.     $(add_suffix _external $ARCH_EXT_LIST)

  1944.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1945.     $ARCH_FEATURES

  1946.     $ATOMICS_LIST

  1947.     $BUILTIN_LIST

  1948.     $COMPLEX_FUNCS

  1949.     $HAVE_LIST_CMDLINE

  1950.     $HAVE_LIST_PUB

  1951.     $HEADERS_LIST

  1952.     $INTRINSICS_LIST

  1953.     $MATH_FUNCS

  1954.     $SYSTEM_FUNCS

  1955.     $THREADS_LIST

  1956.     $TOOLCHAIN_FEATURES

  1957.     $TYPES_LIST

  1958.     atomics_native

  1959.     dos_paths

  1960.     dxva2api_cobj

  1961.     dxva2_lib

  1962.     winrt

  1963.     libc_msvcrt

  1964.     libdc1394_1

  1965.     libdc1394_2

  1966.     makeinfo

  1967.     makeinfo_html

  1968.     perl

  1969.     pod2man

  1970.     sdl

  1971.     section_data_rel_ro

  1972.     texi2html

  1973.     threads

  1974.     vaapi_x11

  1975.     vdpau_x11

  1976.     xlib

  1977. "

  1978. 

  1979. # options emitted with CONFIG_ prefix but not available on the command line

  1980. CONFIG_EXTRA="

  1981.     aandcttables

  1982.     ac3dsp

  1983.     audio_frame_queue

  1984.     audiodsp

  1985.     blockdsp

  1986.     bswapdsp

  1987.     cabac

  1988.     dirac_parse

  1989.     dvprofile

  1990.     exif

  1991.     faandct

  1992.     faanidct

  1993.     fdctdsp

  1994.     flacdsp

  1995.     fmtconvert

  1996.     frame_thread_encoder

  1997.     g722dsp

  1998.     golomb

  1999.     gplv3

  2000.     h263dsp

  2001.     h264chroma

  2002.     h264dsp

  2003.     h264pred

  2004.     h264qpel

  2005.     hpeldsp

  2006.     huffman

  2007.     huffyuvdsp

  2008.     huffyuvencdsp

  2009.     idctdsp

  2010.     iirfilter

  2011.     imdct15

  2012.     intrax8

  2013.     ividsp

  2014.     jpegtables

  2015.     libx262

  2016.     lgplv3

  2017.     llauddsp

  2018.     llviddsp

  2019.     lpc

  2020.     lzf

  2021.     me_cmp

  2022.     mpeg_er

  2023.     mpegaudio

  2024.     mpegaudiodsp

  2025.     mpegvideo

  2026.     mpegvideoenc

  2027.     mss34dsp

  2028.     pixblockdsp

  2029.     qpeldsp

  2030.     qsv

  2031.     qsvdec

  2032.     qsvenc

  2033.     rangecoder

  2034.     riffdec

  2035.     riffenc

  2036.     rtpdec

  2037.     rtpenc_chain

  2038.     rv34dsp

  2039.     sinewin

  2040.     snappy

  2041.     startcode

  2042.     texturedsp

  2043.     texturedspenc

  2044.     tpeldsp

  2045.     videodsp

  2046.     vp3dsp

  2047.     vp56dsp

  2048.     vp8dsp

  2049.     wma_freqs

  2050.     wmv2dsp

  2051. "

  2052. 

  2053. CMDLINE_SELECT="

  2054.     $ARCH_EXT_LIST

  2055.     $CONFIG_LIST

  2056.     $HAVE_LIST_CMDLINE

  2057.     $THREADS_LIST

  2058.     asm

  2059.     cross_compile

  2060.     debug

  2061.     extra_warnings

  2062.     logging

  2063.     lto

  2064.     optimizations

  2065.     rpath

  2066.     stripping

  2067. "

  2068. 

  2069. PATHS_LIST="

  2070.     bindir

  2071.     datadir

  2072.     docdir

  2073.     incdir

  2074.     libdir

  2075.     mandir

  2076.     pkgconfigdir

  2077.     prefix

  2078.     shlibdir

  2079. "

  2080. 

  2081. CMDLINE_SET="

  2082.     $PATHS_LIST

  2083.     ar

  2084.     arch

  2085.     as

  2086.     assert_level

  2087.     build_suffix

  2088.     cc

  2089.     objcc

  2090.     cpu

  2091.     cross_prefix

  2092.     custom_allocator

  2093.     cxx

  2094.     dep_cc

  2095.     doxygen

  2096.     env

  2097.     extra_version

  2098.     gas

  2099.     host_cc

  2100.     host_cflags

  2101.     host_ld

  2102.     host_ldflags

  2103.     host_libs

  2104.     host_os

  2105.     install

  2106.     ld

  2107.     logfile

  2108.     malloc_prefix

  2109.     nm

  2110.     optflags

  2111.     pkg_config

  2112.     pkg_config_flags

  2113.     progs_suffix

  2114.     random_seed

  2115.     ranlib

  2116.     samples

  2117.     strip

  2118.     sws_max_filter_size

  2119.     sysinclude

  2120.     sysroot

  2121.     target_exec

  2122.     target_os

  2123.     target_path

  2124.     target_samples

  2125.     tempprefix

  2126.     toolchain

  2127.     valgrind

  2128.     yasmexe

  2129. "

  2130. 

  2131. CMDLINE_APPEND="

  2132.     extra_cflags

  2133.     extra_cxxflags

  2134.     extra_objcflags

  2135.     host_cppflags

  2136. "

  2137. 

  2138. # code dependency declarations

  2139. 

  2140. # architecture extensions

  2141. 

  2142. armv5te_deps="arm"

  2143. armv6_deps="arm"

  2144. armv6t2_deps="arm"

  2145. armv8_deps="aarch64"

  2146. neon_deps_any="aarch64 arm"

  2147. intrinsics_neon_deps="neon"

  2148. vfp_deps_any="aarch64 arm"

  2149. vfpv3_deps="vfp"

  2150. setend_deps="arm"

  2151. 

  2152. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2153. 

  2154. mipsfpu_deps="mips"

  2155. mipsdsp_deps="mips"

  2156. mipsdspr2_deps="mips"

  2157. mips32r2_deps="mips"

  2158. mips32r6_deps="mips"

  2159. mips64r2_deps="mips"

  2160. mips64r6_deps="mips"

  2161. msa_deps="mips"

  2162. mmi_deps="mips"

  2163. 

  2164. altivec_deps="ppc"

  2165. dcbzl_deps="ppc"

  2166. ldbrx_deps="ppc"

  2167. ppc4xx_deps="ppc"

  2168. vsx_deps="altivec"

  2169. power8_deps="vsx"

  2170. 

  2171. cpunop_deps="i686"

  2172. x86_64_select="i686"

  2173. x86_64_suggest="fast_cmov"

  2174. 

  2175. amd3dnow_deps="mmx"

  2176. amd3dnowext_deps="amd3dnow"

  2177. i686_deps="x86"

  2178. mmx_deps="x86"

  2179. mmxext_deps="mmx"

  2180. sse_deps="mmxext"

  2181. sse2_deps="sse"

  2182. sse3_deps="sse2"

  2183. ssse3_deps="sse3"

  2184. sse4_deps="ssse3"

  2185. sse42_deps="sse4"

  2186. aesni_deps="sse42"

  2187. avx_deps="sse42"

  2188. xop_deps="avx"

  2189. fma3_deps="avx"

  2190. fma4_deps="avx"

  2191. avx2_deps="avx"

  2192. 

  2193. mmx_external_deps="yasm"

  2194. mmx_inline_deps="inline_asm"

  2195. mmx_suggest="mmx_external mmx_inline"

  2196. 

  2197. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2198.     eval dep=\$${ext}_deps

  2199.     eval ${ext}_external_deps='"${dep}_external"'

  2200.     eval ${ext}_inline_deps='"${dep}_inline"'

  2201.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2202. done

  2203. 

  2204. aligned_stack_if_any="aarch64 ppc x86"

  2205. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2206. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2207. fast_unaligned_if_any="aarch64 ppc x86"

  2208. simd_align_16_if_any="altivec neon sse"

  2209. 

  2210. # system capabilities

  2211. symver_if_any="symver_asm_label symver_gnu_asm"

  2212. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2213. 

  2214. # threading support

  2215. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2216. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2217. atomics_win32_if="MemoryBarrier"

  2218. atomics_native_if_any="$ATOMICS_LIST"

  2219. w32threads_deps="atomics_native"

  2220. threads_if_any="$THREADS_LIST"

  2221. 

  2222. # subsystems

  2223. dct_select="rdft"

  2224. dirac_parse_select="golomb"

  2225. error_resilience_select="me_cmp"

  2226. faandct_deps="faan fdctdsp"

  2227. faanidct_deps="faan idctdsp"

  2228. frame_thread_encoder_deps="encoders threads"

  2229. intrax8_select="error_resilience"

  2230. mdct_select="fft"

  2231. rdft_select="fft"

  2232. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2233. mpeg_er_select="error_resilience"

  2234. mpegaudio_select="mpegaudiodsp"

  2235. mpegaudiodsp_select="dct"

  2236. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2237. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2238. qsvdec_select="qsv"

  2239. qsvenc_select="qsv"

  2240. 

  2241. # decoders / encoders

  2242. aac_decoder_select="imdct15 mdct sinewin"

  2243. aac_fixed_decoder_select="mdct sinewin"

  2244. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2245. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2246. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2247. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2248. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2249. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2250. adpcm_g722_decoder_select="g722dsp"

  2251. adpcm_g722_encoder_select="g722dsp"

  2252. aic_decoder_select="golomb idctdsp"

  2253. alac_encoder_select="lpc"

  2254. als_decoder_select="bswapdsp"

  2255. amrnb_decoder_select="lsp"

  2256. amrwb_decoder_select="lsp"

  2257. amv_decoder_select="sp5x_decoder exif"

  2258. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2259. ape_decoder_select="bswapdsp llauddsp"

  2260. apng_decoder_select="zlib"

  2261. apng_encoder_select="huffyuvencdsp zlib"

  2262. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2263. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2264. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2265. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2266. atrac1_decoder_select="mdct sinewin"

  2267. atrac3_decoder_select="mdct"

  2268. atrac3p_decoder_select="mdct sinewin"

  2269. avrn_decoder_select="exif jpegtables"

  2270. bink_decoder_select="blockdsp hpeldsp"

  2271. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2272. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2273. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2274. cllc_decoder_select="bswapdsp"

  2275. comfortnoise_encoder_select="lpc"

  2276. cook_decoder_select="audiodsp mdct sinewin"

  2277. cscd_decoder_select="lzo"

  2278. cscd_decoder_suggest="zlib"

  2279. dca_decoder_select="fmtconvert mdct"

  2280. dds_decoder_select="texturedsp"

  2281. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2282. dnxhd_decoder_select="blockdsp idctdsp"

  2283. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2284. dvvideo_decoder_select="dvprofile idctdsp"

  2285. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2286. dxa_decoder_select="zlib"

  2287. dxv_decoder_select="lzf texturedsp"

  2288. eac3_decoder_select="ac3_decoder"

  2289. eac3_encoder_select="ac3_encoder"

  2290. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2291. eatgq_decoder_select="aandcttables"

  2292. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2293. exr_decoder_select="zlib"

  2294. ffv1_decoder_select="golomb rangecoder"

  2295. ffv1_encoder_select="rangecoder"

  2296. ffvhuff_decoder_select="huffyuv_decoder"

  2297. ffvhuff_encoder_select="huffyuv_encoder"

  2298. fic_decoder_select="golomb"

  2299. flac_decoder_select="flacdsp golomb"

  2300. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2301. flashsv_decoder_select="zlib"

  2302. flashsv_encoder_select="zlib"

  2303. flashsv2_encoder_select="zlib"

  2304. flashsv2_decoder_select="zlib"

  2305. flv_decoder_select="h263_decoder"

  2306. flv_encoder_select="h263_encoder"

  2307. fourxm_decoder_select="blockdsp bswapdsp"

  2308. fraps_decoder_select="bswapdsp huffman"

  2309. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2310. g729_decoder_select="audiodsp"

  2311. h261_decoder_select="mpegvideo"

  2312. h261_encoder_select="aandcttables mpegvideoenc"

  2313. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2314. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2315. h263i_decoder_select="h263_decoder"

  2316. h263p_decoder_select="h263_decoder"

  2317. h263p_encoder_select="h263_encoder"

  2318. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2319. h264_decoder_suggest="error_resilience"

  2320. h264_qsv_decoder_deps="libmfx"

  2321. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2322. h264_qsv_encoder_deps="libmfx"

  2323. h264_qsv_encoder_select="qsvenc"

  2324. hap_decoder_select="snappy texturedsp"

  2325. hap_encoder_deps="libsnappy"

  2326. hap_encoder_select="texturedspenc"

  2327. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2328. hevc_qsv_encoder_deps="libmfx"

  2329. hevc_qsv_decoder_deps="libmfx"

  2330. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2331. hevc_qsv_encoder_select="qsvenc"

  2332. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2333. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2334. iac_decoder_select="imc_decoder"

  2335. imc_decoder_select="bswapdsp fft mdct sinewin"

  2336. indeo3_decoder_select="hpeldsp"

  2337. indeo4_decoder_select="ividsp"

  2338. indeo5_decoder_select="ividsp"

  2339. interplay_video_decoder_select="hpeldsp"

  2340. jpegls_decoder_select="golomb mjpeg_decoder"

  2341. jpegls_encoder_select="golomb"

  2342. jv_decoder_select="blockdsp"

  2343. lagarith_decoder_select="huffyuvdsp"

  2344. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2345. loco_decoder_select="golomb"

  2346. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2347. metasound_decoder_select="lsp mdct sinewin"

  2348. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2349. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2350. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2351. mjpegb_decoder_select="mjpeg_decoder"

  2352. mlp_decoder_select="mlp_parser"

  2353. motionpixels_decoder_select="bswapdsp"

  2354. mp1_decoder_select="mpegaudio"

  2355. mp1float_decoder_select="mpegaudio"

  2356. mp2_decoder_select="mpegaudio"

  2357. mp2float_decoder_select="mpegaudio"

  2358. mp3_decoder_select="mpegaudio"

  2359. mp3adu_decoder_select="mpegaudio"

  2360. mp3adufloat_decoder_select="mpegaudio"

  2361. mp3float_decoder_select="mpegaudio"

  2362. mp3on4_decoder_select="mpegaudio"

  2363. mp3on4float_decoder_select="mpegaudio"

  2364. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2365. mpc8_decoder_select="mpegaudiodsp"

  2366. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2367. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2368. mpegvideo_decoder_select="mpegvideo"

  2369. mpeg1video_decoder_select="mpegvideo"

  2370. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2371. mpeg2video_decoder_select="mpegvideo"

  2372. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2373. mpeg2_qsv_decoder_deps="libmfx"

  2374. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2375. mpeg2_qsv_encoder_deps="libmfx"

  2376. mpeg2_qsv_encoder_select="qsvenc"

  2377. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2378. mpeg4_encoder_select="h263_encoder"

  2379. msa1_decoder_select="mss34dsp"

  2380. msmpeg4v1_decoder_select="h263_decoder"

  2381. msmpeg4v2_decoder_select="h263_decoder"

  2382. msmpeg4v2_encoder_select="h263_encoder"

  2383. msmpeg4v3_decoder_select="h263_decoder"

  2384. msmpeg4v3_encoder_select="h263_encoder"

  2385. mss2_decoder_select="vc1_decoder"

  2386. mts2_decoder_select="mss34dsp"

  2387. mxpeg_decoder_select="mjpeg_decoder"

  2388. nellymoser_decoder_select="mdct sinewin"

  2389. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2390. nuv_decoder_select="idctdsp lzo"

  2391. on2avc_decoder_select="mdct"

  2392. opus_decoder_deps="swresample"

  2393. opus_decoder_select="imdct15"

  2394. png_decoder_select="zlib"

  2395. png_encoder_select="huffyuvencdsp zlib"

  2396. prores_decoder_select="blockdsp idctdsp"

  2397. prores_encoder_select="fdctdsp"

  2398. qcelp_decoder_select="lsp"

  2399. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2400. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2401. ra_144_decoder_select="audiodsp"

  2402. ralf_decoder_select="golomb"

  2403. rawvideo_decoder_select="bswapdsp"

  2404. rscc_decoder_select="zlib"

  2405. rtjpeg_decoder_select="me_cmp"

  2406. rv10_decoder_select="h263_decoder"

  2407. rv10_encoder_select="h263_encoder"

  2408. rv20_decoder_select="h263_decoder"

  2409. rv20_encoder_select="h263_encoder"

  2410. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2411. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2412. screenpresso_decoder_select="zlib"

  2413. shorten_decoder_select="golomb"

  2414. sipr_decoder_select="lsp"

  2415. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2416. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2417. sonic_decoder_select="golomb rangecoder"

  2418. sonic_encoder_select="golomb rangecoder"

  2419. sonic_ls_encoder_select="golomb rangecoder"

  2420. sp5x_decoder_select="mjpeg_decoder"

  2421. svq1_decoder_select="hpeldsp"

  2422. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2423. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2424. svq3_decoder_suggest="zlib"

  2425. tak_decoder_select="audiodsp"

  2426. tdsc_decoder_select="zlib mjpeg_decoder"

  2427. theora_decoder_select="vp3_decoder"

  2428. thp_decoder_select="mjpeg_decoder"

  2429. tiff_decoder_suggest="zlib lzma"

  2430. tiff_encoder_suggest="zlib"

  2431. truehd_decoder_select="mlp_parser"

  2432. truemotion2_decoder_select="bswapdsp"

  2433. truespeech_decoder_select="bswapdsp"

  2434. tscc_decoder_select="zlib"

  2435. twinvq_decoder_select="mdct lsp sinewin"

  2436. txd_decoder_select="texturedsp"

  2437. utvideo_decoder_select="bswapdsp"

  2438. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2439. vble_decoder_select="huffyuvdsp"

  2440. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2441. vc1image_decoder_select="vc1_decoder"

  2442. vc1_qsv_decoder_deps="libmfx"

  2443. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2444. vorbis_decoder_select="mdct"

  2445. vorbis_encoder_select="mdct"

  2446. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2447. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2448. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2449. vp6a_decoder_select="vp6_decoder"

  2450. vp6f_decoder_select="vp6_decoder"

  2451. vp7_decoder_select="h264pred videodsp vp8dsp"

  2452. vp8_decoder_select="h264pred videodsp vp8dsp"

  2453. vp9_decoder_select="videodsp vp9_parser"

  2454. webp_decoder_select="vp8_decoder"

  2455. wmalossless_decoder_select="llauddsp"

  2456. wmapro_decoder_select="mdct sinewin wma_freqs"

  2457. wmav1_decoder_select="mdct sinewin wma_freqs"

  2458. wmav1_encoder_select="mdct sinewin wma_freqs"

  2459. wmav2_decoder_select="mdct sinewin wma_freqs"

  2460. wmav2_encoder_select="mdct sinewin wma_freqs"

  2461. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2462. wmv1_decoder_select="h263_decoder"

  2463. wmv1_encoder_select="h263_encoder"

  2464. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2465. wmv2_encoder_select="h263_encoder wmv2dsp"

  2466. wmv3_decoder_select="vc1_decoder"

  2467. wmv3image_decoder_select="wmv3_decoder"

  2468. xma1_decoder_select="wmapro_decoder"

  2469. xma2_decoder_select="wmapro_decoder"

  2470. zerocodec_decoder_select="zlib"

  2471. zlib_decoder_select="zlib"

  2472. zlib_encoder_select="zlib"

  2473. zmbv_decoder_select="zlib"

  2474. zmbv_encoder_select="zlib"

  2475. 

  2476. # hardware accelerators

  2477. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2478. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2479. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2480. vaapi_deps="va_va_h"

  2481. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2482. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2483. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2484. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2485. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"

  2486. xvmc_deps="X11_extensions_XvMClib_h"

  2487. 

  2488. h263_vaapi_hwaccel_deps="vaapi"

  2489. h263_vaapi_hwaccel_select="h263_decoder"

  2490. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2491. h263_videotoolbox_hwaccel_select="h263_decoder"

  2492. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2493. h264_d3d11va_hwaccel_deps="d3d11va"

  2494. h264_d3d11va_hwaccel_select="h264_decoder"

  2495. h264_dxva2_hwaccel_deps="dxva2"

  2496. h264_dxva2_hwaccel_select="h264_decoder"

  2497. h264_mmal_decoder_deps="mmal"

  2498. h264_mmal_hwaccel_deps="mmal"

  2499. h264_mmal_decoder_select="h264_decoder"

  2500. h264_mmal_encoder_deps="mmal"

  2501. h264_qsv_hwaccel_deps="libmfx"

  2502. h264_vaapi_hwaccel_deps="vaapi"

  2503. h264_vaapi_hwaccel_select="h264_decoder"

  2504. h264_vda_decoder_deps="vda"

  2505. h264_vda_decoder_select="h264_decoder"

  2506. h264_vda_hwaccel_deps="vda"

  2507. h264_vda_hwaccel_select="h264_decoder"

  2508. h264_vda_old_hwaccel_deps="vda"

  2509. h264_vda_old_hwaccel_select="h264_decoder"

  2510. h264_vdpau_decoder_deps="vdpau"

  2511. h264_vdpau_decoder_select="h264_decoder"

  2512. h264_vdpau_hwaccel_deps="vdpau"

  2513. h264_vdpau_hwaccel_select="h264_decoder"

  2514. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2515. h264_videotoolbox_hwaccel_select="h264_decoder"

  2516. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2517. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2518. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2519. hevc_dxva2_hwaccel_select="hevc_decoder"

  2520. hevc_qsv_hwaccel_deps="libmfx"

  2521. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2522. hevc_vaapi_hwaccel_select="hevc_decoder"

  2523. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2524. hevc_vdpau_hwaccel_select="hevc_decoder"

  2525. mpeg_vdpau_decoder_deps="vdpau"

  2526. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2527. mpeg_xvmc_hwaccel_deps="xvmc"

  2528. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2529. mpeg1_vdpau_decoder_deps="vdpau"

  2530. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2531. mpeg1_vdpau_hwaccel_deps="vdpau"

  2532. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2533. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2534. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2535. mpeg1_xvmc_hwaccel_deps="xvmc"

  2536. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2537. mpeg2_crystalhd_decoder_select="crystalhd"

  2538. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2539. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2540. mpeg2_dxva2_hwaccel_deps="dxva2"

  2541. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2542. mpeg2_mmal_decoder_deps="mmal"

  2543. mpeg2_mmal_hwaccel_deps="mmal"

  2544. mpeg2_mmal_decoder_select="mpeg2video_decoder"

  2545. mpeg2_qsv_hwaccel_deps="libmfx"

  2546. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2547. mpeg2_vaapi_hwaccel_deps="vaapi"

  2548. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2549. mpeg2_vdpau_hwaccel_deps="vdpau"

  2550. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2551. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2552. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2553. mpeg2_xvmc_hwaccel_deps="xvmc"

  2554. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2555. mpeg4_crystalhd_decoder_select="crystalhd"

  2556. mpeg4_vaapi_hwaccel_deps="vaapi"

  2557. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2558. mpeg4_vdpau_decoder_deps="vdpau"

  2559. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2560. mpeg4_vdpau_hwaccel_deps="vdpau"

  2561. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2562. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2563. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2564. msmpeg4_crystalhd_decoder_select="crystalhd"

  2565. vc1_crystalhd_decoder_select="crystalhd"

  2566. vc1_d3d11va_hwaccel_deps="d3d11va"

  2567. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2568. vc1_dxva2_hwaccel_deps="dxva2"

  2569. vc1_dxva2_hwaccel_select="vc1_decoder"

  2570. vc1_vaapi_hwaccel_deps="vaapi"

  2571. vc1_vaapi_hwaccel_select="vc1_decoder"

  2572. vc1_vdpau_decoder_deps="vdpau"

  2573. vc1_vdpau_decoder_select="vc1_decoder"

  2574. vc1_vdpau_hwaccel_deps="vdpau"

  2575. vc1_vdpau_hwaccel_select="vc1_decoder"

  2576. vc1_mmal_decoder_deps="mmal"

  2577. vc1_mmal_hwaccel_deps="mmal"

  2578. vc1_mmal_decoder_select="vc1_decoder"

  2579. vc1_qsv_hwaccel_deps="libmfx"

  2580. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2581. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2582. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2583. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2584. vp9_dxva2_hwaccel_select="vp9_decoder"

  2585. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2586. vp9_vaapi_hwaccel_select="vp9_decoder"

  2587. wmv3_crystalhd_decoder_select="crystalhd"

  2588. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2589. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2590. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2591. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2592. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2593. 

  2594. # parsers

  2595. h264_parser_select="h264_decoder"

  2596. hevc_parser_select="golomb"

  2597. mpegvideo_parser_select="mpegvideo"

  2598. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2599. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2600. 

  2601. # bitstream_filters

  2602. mjpeg2jpeg_bsf_select="jpegtables"

  2603. 

  2604. # external libraries

  2605. chromaprint_muxer_deps="chromaprint"

  2606. libaacplus_encoder_deps="libaacplus"

  2607. libcelt_decoder_deps="libcelt"

  2608. libdcadec_decoder_deps="libdcadec"

  2609. libfaac_encoder_deps="libfaac"

  2610. libfaac_encoder_select="audio_frame_queue"

  2611. libfdk_aac_decoder_deps="libfdk_aac"

  2612. libfdk_aac_encoder_deps="libfdk_aac"

  2613. libfdk_aac_encoder_select="audio_frame_queue"

  2614. libgme_demuxer_deps="libgme"

  2615. libgsm_decoder_deps="libgsm"

  2616. libgsm_encoder_deps="libgsm"

  2617. libgsm_ms_decoder_deps="libgsm"

  2618. libgsm_ms_encoder_deps="libgsm"

  2619. libilbc_decoder_deps="libilbc"

  2620. libilbc_encoder_deps="libilbc"

  2621. libkvazaar_encoder_deps="libkvazaar"

  2622. libmodplug_demuxer_deps="libmodplug"

  2623. libmp3lame_encoder_deps="libmp3lame"

  2624. libmp3lame_encoder_select="audio_frame_queue"

  2625. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2626. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2627. libopencore_amrnb_encoder_select="audio_frame_queue"

  2628. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2629. libopenh264_encoder_deps="libopenh264"

  2630. libopenjpeg_decoder_deps="libopenjpeg"

  2631. libopenjpeg_encoder_deps="libopenjpeg"

  2632. libopus_decoder_deps="libopus"

  2633. libopus_encoder_deps="libopus"

  2634. libopus_encoder_select="audio_frame_queue"

  2635. libquvi_demuxer_deps="libquvi"

  2636. libschroedinger_decoder_deps="libschroedinger"

  2637. libschroedinger_encoder_deps="libschroedinger"

  2638. libshine_encoder_deps="libshine"

  2639. libshine_encoder_select="audio_frame_queue"

  2640. libspeex_decoder_deps="libspeex"

  2641. libspeex_encoder_deps="libspeex"

  2642. libspeex_encoder_select="audio_frame_queue"

  2643. libtheora_encoder_deps="libtheora"

  2644. libtwolame_encoder_deps="libtwolame"

  2645. libvo_aacenc_encoder_deps="libvo_aacenc"

  2646. libvo_aacenc_encoder_select="audio_frame_queue"

  2647. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2648. libvorbis_decoder_deps="libvorbis"

  2649. libvorbis_encoder_deps="libvorbis"

  2650. libvorbis_encoder_select="audio_frame_queue"

  2651. libvpx_vp8_decoder_deps="libvpx"

  2652. libvpx_vp8_encoder_deps="libvpx"

  2653. libvpx_vp9_decoder_deps="libvpx"

  2654. libvpx_vp9_encoder_deps="libvpx"

  2655. libwavpack_encoder_deps="libwavpack"

  2656. libwebp_encoder_deps="libwebp"

  2657. libwebp_anim_encoder_deps="libwebp"

  2658. libx262_encoder_deps="libx262"

  2659. libx264_encoder_deps="libx264"

  2660. libx264rgb_encoder_deps="libx264"

  2661. libx264rgb_encoder_select="libx264_encoder"

  2662. libx265_encoder_deps="libx265"

  2663. libxavs_encoder_deps="libxavs"

  2664. libxvid_encoder_deps="libxvid"

  2665. libutvideo_decoder_deps="libutvideo"

  2666. libutvideo_encoder_deps="libutvideo"

  2667. libzvbi_teletext_decoder_deps="libzvbi"

  2668. nvenc_encoder_deps="nvenc"

  2669. nvenc_h264_encoder_deps="nvenc"

  2670. nvenc_hevc_encoder_deps="nvenc"

  2671. 

  2672. # demuxers / muxers

  2673. ac3_demuxer_select="ac3_parser"

  2674. asf_demuxer_select="riffdec"

  2675. asf_o_demuxer_select="riffdec"

  2676. asf_muxer_select="riffenc"

  2677. asf_stream_muxer_select="asf_muxer"

  2678. avi_demuxer_select="riffdec exif"

  2679. avi_muxer_select="riffenc"

  2680. avisynth_demuxer_deps="avisynth"

  2681. avisynth_demuxer_select="riffdec"

  2682. caf_demuxer_select="riffdec"

  2683. dash_muxer_select="mp4_muxer"

  2684. dirac_demuxer_select="dirac_parser"

  2685. dts_demuxer_select="dca_parser"

  2686. dtshd_demuxer_select="dca_parser"

  2687. dv_demuxer_select="dvprofile"

  2688. dv_muxer_select="dvprofile"

  2689. dxa_demuxer_select="riffdec"

  2690. eac3_demuxer_select="ac3_parser"

  2691. f4v_muxer_select="mov_muxer"

  2692. flac_demuxer_select="flac_parser"

  2693. hds_muxer_select="flv_muxer"

  2694. hls_muxer_select="mpegts_muxer"

  2695. image2_alias_pix_demuxer_select="image2_demuxer"

  2696. image2_brender_pix_demuxer_select="image2_demuxer"

  2697. ipod_muxer_select="mov_muxer"

  2698. ismv_muxer_select="mov_muxer"

  2699. libnut_demuxer_deps="libnut"

  2700. libnut_muxer_deps="libnut"

  2701. matroska_audio_muxer_select="matroska_muxer"

  2702. matroska_demuxer_select="riffdec"

  2703. matroska_demuxer_suggest="bzlib lzo zlib"

  2704. matroska_muxer_select="riffenc"

  2705. mmf_muxer_select="riffenc"

  2706. mov_demuxer_select="riffdec"

  2707. mov_demuxer_suggest="zlib"

  2708. mov_muxer_select="riffenc rtpenc_chain"

  2709. mp3_demuxer_select="mpegaudio_parser"

  2710. mp4_muxer_select="mov_muxer"

  2711. mpegts_muxer_select="adts_muxer latm_muxer"

  2712. mpegtsraw_demuxer_select="mpegts_demuxer"

  2713. mxf_d10_muxer_select="mxf_muxer"

  2714. mxf_opatom_muxer_select="mxf_muxer"

  2715. nut_muxer_select="riffenc"

  2716. nuv_demuxer_select="riffdec"

  2717. oga_muxer_select="ogg_muxer"

  2718. ogg_demuxer_select="dirac_parse"

  2719. opus_muxer_select="ogg_muxer"

  2720. psp_muxer_select="mov_muxer"

  2721. rtp_demuxer_select="sdp_demuxer"

  2722. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2723. rtsp_demuxer_select="http_protocol rtpdec"

  2724. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2725. sap_demuxer_select="sdp_demuxer"

  2726. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2727. sdp_demuxer_select="rtpdec"

  2728. smoothstreaming_muxer_select="ismv_muxer"

  2729. spdif_muxer_select="aac_parser"

  2730. spx_muxer_select="ogg_muxer"

  2731. swf_demuxer_suggest="zlib"

  2732. tak_demuxer_select="tak_parser"

  2733. tg2_muxer_select="mov_muxer"

  2734. tgp_muxer_select="mov_muxer"

  2735. vobsub_demuxer_select="mpegps_demuxer"

  2736. w64_demuxer_select="wav_demuxer"

  2737. w64_muxer_select="wav_muxer"

  2738. wav_demuxer_select="riffdec"

  2739. wav_muxer_select="riffenc"

  2740. webm_muxer_select="riffenc"

  2741. wtv_demuxer_select="riffdec"

  2742. wtv_muxer_select="riffenc"

  2743. xmv_demuxer_select="riffdec"

  2744. xwma_demuxer_select="riffdec"

  2745. 

  2746. # indevs / outdevs

  2747. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2748. alsa_outdev_deps="alsa_asoundlib_h"

  2749. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2750. avfoundation_indev_select="avfoundation"

  2751. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2752. caca_outdev_deps="libcaca"

  2753. decklink_outdev_deps="decklink pthreads"

  2754. decklink_outdev_extralibs="-lstdc++"

  2755. decklink_indev_deps="decklink pthreads"

  2756. decklink_indev_extralibs="-lstdc++"

  2757. dshow_indev_deps="IBaseFilter"

  2758. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2759. dv1394_indev_deps="dv1394"

  2760. dv1394_indev_select="dv_demuxer"

  2761. fbdev_indev_deps="linux_fb_h"

  2762. fbdev_outdev_deps="linux_fb_h"

  2763. gdigrab_indev_deps="CreateDIBSection"

  2764. gdigrab_indev_extralibs="-lgdi32"

  2765. gdigrab_indev_select="bmp_decoder"

  2766. iec61883_indev_deps="libiec61883"

  2767. jack_indev_deps="jack_jack_h sem_timedwait"

  2768. lavfi_indev_deps="avfilter"

  2769. libcdio_indev_deps="libcdio"

  2770. libdc1394_indev_deps="libdc1394"

  2771. libv4l2_indev_deps="libv4l2"

  2772. openal_indev_deps="openal"

  2773. opengl_outdev_deps="opengl"

  2774. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2775. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2776. pulse_indev_deps="libpulse"

  2777. pulse_outdev_deps="libpulse"

  2778. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2779. qtkit_indev_select="qtkit"

  2780. sdl_outdev_deps="sdl"

  2781. sndio_indev_deps="sndio_h"

  2782. sndio_outdev_deps="sndio_h"

  2783. v4l_indev_deps="linux_videodev_h"

  2784. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2785. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2786. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2787. vfwcap_indev_extralibs="-lavicap32"

  2788. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2789. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2790. x11grab_indev_deps="x11grab"

  2791. x11grab_xcb_indev_deps="libxcb"

  2792. 

  2793. # protocols

  2794. async_protocol_deps="threads"

  2795. bluray_protocol_deps="libbluray"

  2796. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2797. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2798. ffrtmpcrypt_protocol_select="tcp_protocol"

  2799. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2800. ffrtmphttp_protocol_select="http_protocol"

  2801. ftp_protocol_select="tcp_protocol"

  2802. gopher_protocol_select="network"

  2803. http_protocol_select="tcp_protocol"

  2804. httpproxy_protocol_select="tcp_protocol"

  2805. https_protocol_select="tls_protocol"

  2806. icecast_protocol_select="http_protocol"

  2807. librtmp_protocol_deps="librtmp"

  2808. librtmpe_protocol_deps="librtmp"

  2809. librtmps_protocol_deps="librtmp"

  2810. librtmpt_protocol_deps="librtmp"

  2811. librtmpte_protocol_deps="librtmp"

  2812. libsmbclient_protocol_deps="libsmbclient gplv3"

  2813. libssh_protocol_deps="libssh"

  2814. mmsh_protocol_select="http_protocol"

  2815. mmst_protocol_select="network"

  2816. rtmp_protocol_deps="!librtmp_protocol"

  2817. rtmp_protocol_select="tcp_protocol"

  2818. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2819. rtmps_protocol_deps="!librtmp_protocol"

  2820. rtmps_protocol_select="tls_protocol"

  2821. rtmpt_protocol_select="ffrtmphttp_protocol"

  2822. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2823. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2824. rtp_protocol_select="udp_protocol"

  2825. sctp_protocol_deps="struct_sctp_event_subscribe"

  2826. sctp_protocol_select="network"

  2827. srtp_protocol_select="rtp_protocol"

  2828. tcp_protocol_select="network"

  2829. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2830. tls_gnutls_protocol_select="tcp_protocol"

  2831. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2832. tls_openssl_protocol_select="tcp_protocol"

  2833. tls_schannel_protocol_deps="schannel"

  2834. tls_schannel_protocol_select="tcp_protocol"

  2835. tls_securetransport_protocol_deps="securetransport"

  2836. tls_securetransport_protocol_select="tcp_protocol"

  2837. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2838. udp_protocol_select="network"

  2839. udplite_protocol_select="network"

  2840. unix_protocol_deps="sys_un_h"

  2841. unix_protocol_select="network"

  2842. 

  2843. # filters

  2844. afftfilt_filter_deps="avcodec"

  2845. afftfilt_filter_select="fft"

  2846. amovie_filter_deps="avcodec avformat"

  2847. aresample_filter_deps="swresample"

  2848. ass_filter_deps="libass"

  2849. asyncts_filter_deps="avresample"

  2850. atempo_filter_deps="avcodec"

  2851. atempo_filter_select="rdft"

  2852. azmq_filter_deps="libzmq"

  2853. blackframe_filter_deps="gpl"

  2854. boxblur_filter_deps="gpl"

  2855. bs2b_filter_deps="libbs2b"

  2856. colormatrix_filter_deps="gpl"

  2857. cover_rect_filter_deps="avcodec avformat gpl"

  2858. cropdetect_filter_deps="gpl"

  2859. delogo_filter_deps="gpl"

  2860. deshake_filter_select="pixelutils"

  2861. drawtext_filter_deps="libfreetype"

  2862. ebur128_filter_deps="gpl"

  2863. eq_filter_deps="gpl"

  2864. fftfilt_filter_deps="avcodec"

  2865. fftfilt_filter_select="rdft"

  2866. flite_filter_deps="libflite"

  2867. find_rect_filter_deps="avcodec avformat gpl"

  2868. frei0r_filter_deps="frei0r dlopen"

  2869. frei0r_src_filter_deps="frei0r dlopen"

  2870. fspp_filter_deps="gpl"

  2871. geq_filter_deps="gpl"

  2872. histeq_filter_deps="gpl"

  2873. hqdn3d_filter_deps="gpl"

  2874. interlace_filter_deps="gpl"

  2875. kerndeint_filter_deps="gpl"

  2876. ladspa_filter_deps="ladspa dlopen"

  2877. mcdeint_filter_deps="avcodec gpl"

  2878. movie_filter_deps="avcodec avformat"

  2879. mpdecimate_filter_deps="gpl"

  2880. mpdecimate_filter_select="pixelutils"

  2881. mptestsrc_filter_deps="gpl"

  2882. negate_filter_deps="lut_filter"

  2883. perspective_filter_deps="gpl"

  2884. pp7_filter_deps="gpl"

  2885. ocr_filter_deps="libtesseract"

  2886. ocv_filter_deps="libopencv"

  2887. owdenoise_filter_deps="gpl"

  2888. pan_filter_deps="swresample"

  2889. phase_filter_deps="gpl"

  2890. pp_filter_deps="gpl postproc"

  2891. pullup_filter_deps="gpl"

  2892. removelogo_filter_deps="avcodec avformat swscale"

  2893. repeatfields_filter_deps="gpl"

  2894. resample_filter_deps="avresample"

  2895. rubberband_filter_deps="librubberband"

  2896. sab_filter_deps="gpl swscale"

  2897. scale_filter_deps="swscale"

  2898. scale2ref_filter_deps="swscale"

  2899. select_filter_select="pixelutils"

  2900. smartblur_filter_deps="gpl swscale"

  2901. showcqt_filter_deps="avcodec avformat swscale"

  2902. showcqt_filter_select="fft"

  2903. showfreqs_filter_deps="avcodec"

  2904. showfreqs_filter_select="fft"

  2905. showspectrum_filter_deps="avcodec"

  2906. showspectrum_filter_select="fft"

  2907. showspectrumpic_filter_deps="avcodec"

  2908. showspectrumpic_filter_select="fft"

  2909. sofalizer_filter_deps="netcdf avcodec"

  2910. sofalizer_filter_select="fft"

  2911. spectrumsynth_filter_deps="avcodec"

  2912. spectrumsynth_filter_select="fft"

  2913. spp_filter_deps="gpl avcodec"

  2914. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2915. stereo3d_filter_deps="gpl"

  2916. subtitles_filter_deps="avformat avcodec libass"

  2917. super2xsai_filter_deps="gpl"

  2918. tinterlace_filter_deps="gpl"

  2919. vidstabdetect_filter_deps="libvidstab"

  2920. vidstabtransform_filter_deps="libvidstab"

  2921. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2922. tinterlace_merge_test_deps="tinterlace_filter"

  2923. tinterlace_pad_test_deps="tinterlace_filter"

  2924. uspp_filter_deps="gpl avcodec"

  2925. zmq_filter_deps="libzmq"

  2926. zoompan_filter_deps="swscale"

  2927. zscale_filter_deps="libzimg"

  2928. 

  2929. # examples

  2930. avio_reading="avformat avcodec avutil"

  2931. avio_dir_cmd="avformat avutil"

  2932. avcodec_example_deps="avcodec avutil"

  2933. decoding_encoding_example_deps="avcodec avformat avutil"

  2934. demuxing_decoding_example_deps="avcodec avformat avutil"

  2935. extract_mvs_example_deps="avcodec avformat avutil"

  2936. filter_audio_example_deps="avfilter avutil"

  2937. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2938. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2939. metadata_example_deps="avformat avutil"

  2940. muxing_example_deps="avcodec avformat avutil swscale"

  2941. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2942. remuxing_example_deps="avcodec avformat avutil"

  2943. resampling_audio_example_deps="avutil swresample"

  2944. scaling_video_example_deps="avutil swscale"

  2945. transcode_aac_example_deps="avcodec avformat swresample"

  2946. transcoding_example_deps="avfilter avcodec avformat avutil"

  2947. 

  2948. # libraries, in linking order

  2949. avcodec_deps="avutil"

  2950. avdevice_deps="avformat avcodec avutil"

  2951. avfilter_deps="avutil"

  2952. avformat_deps="avcodec avutil"

  2953. avresample_deps="avutil"

  2954. postproc_deps="avutil gpl"

  2955. swresample_deps="avutil"

  2956. swscale_deps="avutil"

  2957. 

  2958. # programs

  2959. ffmpeg_deps="avcodec avfilter avformat swresample"

  2960. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2961.                null_filter

  2962.                setpts_filter trim_filter"

  2963. ffplay_deps="avcodec avformat swscale swresample sdl"

  2964. ffplay_libs='$sdl_libs'

  2965. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2966. ffprobe_deps="avcodec avformat"

  2967. ffserver_deps="avformat fork sarestart"

  2968. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2969. 

  2970. # documentation

  2971. podpages_deps="perl"

  2972. manpages_deps="perl pod2man"

  2973. htmlpages_deps="perl"

  2974. htmlpages_deps_any="makeinfo_html texi2html"

  2975. txtpages_deps="perl makeinfo"

  2976. doc_deps_any="manpages htmlpages podpages txtpages"

  2977. 

  2978. # default parameters

  2979. 

  2980. logfile="config.log"

  2981. 

  2982. # installation paths

  2983. prefix_default="/usr/local"

  2984. bindir_default='${prefix}/bin'

  2985. datadir_default='${prefix}/share/ffmpeg'

  2986. docdir_default='${prefix}/share/doc/ffmpeg'

  2987. incdir_default='${prefix}/include'

  2988. libdir_default='${prefix}/lib'

  2989. mandir_default='${prefix}/share/man'

  2990. 

  2991. # toolchain

  2992. ar_default="ar"

  2993. cc_default="gcc"

  2994. cxx_default="g++"

  2995. host_cc_default="gcc"

  2996. cp_f="cp -f"

  2997. doxygen_default="doxygen"

  2998. install="install"

  2999. ln_s="ln -s -f"

  3000. nm_default="nm -g"

  3001. objformat="elf"

  3002. pkg_config_default=pkg-config

  3003. ranlib_default="ranlib"

  3004. strip_default="strip"

  3005. yasmexe_default="yasm"

  3006. windres_default="windres"

  3007. 

  3008. # OS

  3009. target_os_default=$(tolower $(uname -s))

  3010. host_os=$target_os_default

  3011. 

  3012. # machine

  3013. if test "$target_os_default" = aix; then

  3014.     arch_default=$(uname -p)

  3015.     strip_default="strip -X32_64"

  3016. else

  3017.     arch_default=$(uname -m)

  3018. fi

  3019. cpu="generic"

  3020. intrinsics="none"

  3021. 

  3022. # configurable options

  3023. enable $PROGRAM_LIST

  3024. enable $DOCUMENT_LIST

  3025. enable $EXAMPLE_LIST

  3026. enable $(filter_out avresample $LIBRARY_LIST)

  3027. enable stripping

  3028. 

  3029. enable asm

  3030. enable debug

  3031. enable doc

  3032. enable faan faandct faanidct

  3033. enable optimizations

  3034. enable runtime_cpudetect

  3035. enable safe_bitstream_reader

  3036. enable static

  3037. enable swscale_alpha

  3038. enable valgrind_backtrace

  3039. 

  3040. sws_max_filter_size_default=256

  3041. set_default sws_max_filter_size

  3042. 

  3043. # Enable hwaccels by default.

  3044. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  3045. enable xlib

  3046. 

  3047. # build settings

  3048. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3049. LIBPREF="lib"

  3050. LIBSUF=".a"

  3051. FULLNAME='$(NAME)$(BUILDSUF)'

  3052. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3053. SLIBPREF="lib"

  3054. SLIBSUF=".so"

  3055. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3056. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3057. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3058. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3059. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3060. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3061. 

  3062. asflags_filter=echo

  3063. cflags_filter=echo

  3064. ldflags_filter=echo

  3065. 

  3066. AS_C='-c'

  3067. AS_O='-o $@'

  3068. CC_C='-c'

  3069. CC_E='-E -o $@'

  3070. CC_O='-o $@'

  3071. CXX_C='-c'

  3072. CXX_O='-o $@'

  3073. OBJCC_C='-c'

  3074. OBJCC_E='-E -o $@'

  3075. OBJCC_O='-o $@'

  3076. LD_O='-o $@'

  3077. LD_LIB='-l%'

  3078. LD_PATH='-L'

  3079. HOSTCC_C='-c'

  3080. HOSTCC_E='-E -o $@'

  3081. HOSTCC_O='-o $@'

  3082. HOSTLD_O='-o $@'

  3083. 

  3084. host_libs='-lm'

  3085. host_cflags_filter=echo

  3086. host_ldflags_filter=echo

  3087. 

  3088. target_path='$(CURDIR)'

  3089. 

  3090. # since the object filename is not given with the -MM flag, the compiler

  3091. # is only able to print the basename, and we must add the path ourselves

  3092. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3093. DEPFLAGS='-MM'

  3094. 

  3095. # find source path

  3096. if test -f configure; then

  3097.     source_path=.

  3098. else

  3099.     source_path=$(cd $(dirname "$0"); pwd)

  3100.     case "$source_path" in

  3101.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3102.     esac

  3103.     test -e "$source_path/config.h" &&

  3104.         die "Out of tree builds are impossible with config.h in source dir."

  3105. fi

  3106. 

  3107. for v in "$@"; do

  3108.     r=${v#*=}

  3109.     l=${v%"$r"}

  3110.     r=$(sh_quote "$r")

  3111.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3112. done

  3113. 

  3114. find_things(){

  3115.     thing=$1

  3116.     pattern=$2

  3117.     file=$source_path/$3

  3118.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3119. }

  3120. 

  3121. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3122. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3123. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3124. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3125. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3126. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3127. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3128. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3129. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3130. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3131. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3132. 

  3133. ALL_COMPONENTS="

  3134.     $BSF_LIST

  3135.     $DECODER_LIST

  3136.     $DEMUXER_LIST

  3137.     $ENCODER_LIST

  3138.     $FILTER_LIST

  3139.     $HWACCEL_LIST

  3140.     $INDEV_LIST

  3141.     $MUXER_LIST

  3142.     $OUTDEV_LIST

  3143.     $PARSER_LIST

  3144.     $PROTOCOL_LIST

  3145. "

  3146. 

  3147. for n in $COMPONENT_LIST; do

  3148.     v=$(toupper ${n%s})_LIST

  3149.     eval enable \$$v

  3150.     eval ${n}_if_any="\$$v"

  3151. done

  3152. 

  3153. enable $ARCH_EXT_LIST

  3154. 

  3155. die_unknown(){

  3156.     echo "Unknown option \"$1\"."

  3157.     echo "See $0 --help for available options."

  3158.     exit 1

  3159. }

  3160. 

  3161. print_in_columns() {

  3162.     cols=$(expr $ncols / 24)

  3163.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3164. }

  3165. 

  3166. show_list() {

  3167.     suffix=_$1

  3168.     shift

  3169.     echo $* | sed s/$suffix//g | print_in_columns

  3170.     exit 0

  3171. }

  3172. 

  3173. rand_list(){

  3174.     IFS=', '

  3175.     set -- $*

  3176.     unset IFS

  3177.     for thing; do

  3178.         comp=${thing%:*}

  3179.         prob=${thing#$comp}

  3180.         prob=${prob#:}

  3181.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3182.         echo "prob ${prob:-0.5}"

  3183.         printf '%s\n' $comp

  3184.     done

  3185. }

  3186. 

  3187. do_random(){

  3188.     action=$1

  3189.     shift

  3190.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3191.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3192. }

  3193. 

  3194. for opt do

  3195.     optval="${opt#*=}"

  3196.     case "$opt" in

  3197.         --extra-ldflags=*)

  3198.             add_ldflags $optval

  3199.         ;;

  3200.         --extra-ldexeflags=*)

  3201.             add_ldexeflags $optval

  3202.         ;;

  3203.         --extra-ldlibflags=*)

  3204.             add_ldlibflags $optval

  3205.         ;;

  3206.         --extra-libs=*)

  3207.             add_extralibs $optval

  3208.         ;;

  3209.         --disable-devices)

  3210.             disable $INDEV_LIST $OUTDEV_LIST

  3211.         ;;

  3212.         --enable-debug=*)

  3213.             debuglevel="$optval"

  3214.         ;;

  3215.         --disable-programs)

  3216.             disable $PROGRAM_LIST

  3217.         ;;

  3218.         --disable-everything)

  3219.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3220.         ;;

  3221.         --disable-all)

  3222.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3223.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3224.             enable avutil

  3225.         ;;

  3226.         --enable-random|--disable-random)

  3227.             action=${opt%%-random}

  3228.             do_random ${action#--} $COMPONENT_LIST

  3229.         ;;

  3230.         --enable-random=*|--disable-random=*)

  3231.             action=${opt%%-random=*}

  3232.             do_random ${action#--} $optval

  3233.         ;;

  3234.         --enable-*=*|--disable-*=*)

  3235.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3236.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3237.             eval list=\$$(toupper $thing)_LIST

  3238.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3239.             list=$(filter "$name" $list)

  3240.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3241.             $action $list

  3242.         ;;

  3243.         --enable-?*|--disable-?*)

  3244.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3245.             if is_in $option $COMPONENT_LIST; then

  3246.                 test $action = disable && action=unset

  3247.                 eval $action \$$(toupper ${option%s})_LIST

  3248.             elif is_in $option $CMDLINE_SELECT; then

  3249.                 $action $option

  3250.             else

  3251.                 die_unknown $opt

  3252.             fi

  3253.         ;;

  3254.         --list-*)

  3255.             NAME="${opt#--list-}"

  3256.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3257.             NAME=${NAME%s}

  3258.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3259.         ;;

  3260.         --help|-h) show_help

  3261.         ;;

  3262.         --fatal-warnings) enable fatal_warnings

  3263.         ;;

  3264.         *)

  3265.             optname="${opt%%=*}"

  3266.             optname="${optname#--}"

  3267.             optname=$(echo "$optname" | sed 's/-/_/g')

  3268.             if is_in $optname $CMDLINE_SET; then

  3269.                 eval $optname='$optval'

  3270.             elif is_in $optname $CMDLINE_APPEND; then

  3271.                 append $optname "$optval"

  3272.             else

  3273.                 die_unknown $opt

  3274.             fi

  3275.         ;;

  3276.     esac

  3277. done

  3278. 

  3279. for e in $env; do

  3280.     eval "export $e"

  3281. done

  3282. 

  3283. disabled logging && logfile=/dev/null

  3284. 

  3285. # Disable all the library-specific components if the library itself

  3286. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3287. 

  3288. disable_components(){

  3289.     disabled ${1} && disable $(

  3290.         eval components="\$$(toupper ${1})_COMPONENTS"

  3291.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3292.     )

  3293. }

  3294. 

  3295. map 'disable_components $v' $LIBRARY_LIST

  3296. 

  3297. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3298. set >> $logfile

  3299. 

  3300. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3301. 

  3302. case "$toolchain" in

  3303.     clang-asan)

  3304.         cc_default="clang"

  3305.         add_cflags  -fsanitize=address

  3306.         add_ldflags -fsanitize=address

  3307.     ;;

  3308.     clang-tsan)

  3309.         cc_default="clang"

  3310.         add_cflags  -fsanitize=thread -pie

  3311.         add_ldflags -fsanitize=thread -pie

  3312.     ;;

  3313.     clang-usan)

  3314.         cc_default="clang"

  3315.         add_cflags  -fsanitize=undefined

  3316.         add_ldflags -fsanitize=undefined

  3317.     ;;

  3318.     gcc-asan)

  3319.         cc_default="gcc"

  3320.         add_cflags  -fsanitize=address

  3321.         add_ldflags -fsanitize=address

  3322.     ;;

  3323.     gcc-tsan)

  3324.         cc_default="gcc"

  3325.         add_cflags  -fsanitize=thread -pie -fPIC

  3326.         add_ldflags -fsanitize=thread -pie -fPIC

  3327.     ;;

  3328.     gcc-usan)

  3329.         cc_default="gcc"

  3330.         add_cflags  -fsanitize=undefined

  3331.         add_ldflags -fsanitize=undefined

  3332.     ;;

  3333.     valgrind-massif)

  3334.         target_exec_default=${valgrind:-"valgrind"}

  3335.         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"

  3336.     ;;

  3337.     valgrind-memcheck)

  3338.         target_exec_default=${valgrind:-"valgrind"}

  3339.         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"

  3340.     ;;

  3341.     msvc)

  3342.         # Check whether the current MSVC version needs the C99 converter.

  3343.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3344.         # support enough of C99 to build ffmpeg. Default to the new

  3345.         # behaviour if the regexp was unable to match anything, since this

  3346.         # successfully parses the version number of existing supported

  3347.         # versions that require the converter (MSVC 2010 and 2012).

  3348.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3349.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3350.             cc_default="cl"

  3351.         else

  3352.             cc_default="c99wrap cl"

  3353.         fi

  3354.         ld_default="$source_path/compat/windows/mslink"

  3355.         nm_default="dumpbin -symbols"

  3356.         ar_default="lib"

  3357.         case "$arch" in

  3358.         arm*)

  3359.             as_default="armasm"

  3360.             ;;

  3361.         esac

  3362.         target_os_default="win32"

  3363.         # Use a relative path for TMPDIR. This makes sure all the

  3364.         # ffconf temp files are written with a relative path, avoiding

  3365.         # issues with msys/win32 path conversion for MSVC parameters

  3366.         # such as -Fo<file> or -out:<file>.

  3367.         TMPDIR=.

  3368.     ;;

  3369.     icl)

  3370.         cc_default="icl"

  3371.         ld_default="xilink"

  3372.         nm_default="dumpbin -symbols"

  3373.         ar_default="xilib"

  3374.         target_os_default="win32"

  3375.         TMPDIR=.

  3376.     ;;

  3377.     gcov)

  3378.         add_cflags  -fprofile-arcs -ftest-coverage

  3379.         add_ldflags -fprofile-arcs -ftest-coverage

  3380.     ;;

  3381.     hardened)

  3382.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3383.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3384.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3385.     ;;

  3386.     ?*)

  3387.         die "Unknown toolchain $toolchain"

  3388.     ;;

  3389. esac

  3390. 

  3391. test -n "$cross_prefix" && enable cross_compile

  3392. 

  3393. if enabled cross_compile; then

  3394.     test -n "$arch" && test -n "$target_os" ||

  3395.         die "Must specify target arch and OS when cross-compiling"

  3396. fi

  3397. 

  3398. ar_default="${cross_prefix}${ar_default}"

  3399. cc_default="${cross_prefix}${cc_default}"

  3400. cxx_default="${cross_prefix}${cxx_default}"

  3401. nm_default="${cross_prefix}${nm_default}"

  3402. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3403. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3404.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3405. else

  3406.     ranlib_default="${cross_prefix}${ranlib_default}"

  3407. fi

  3408. strip_default="${cross_prefix}${strip_default}"

  3409. windres_default="${cross_prefix}${windres_default}"

  3410. 

  3411. sysinclude_default="${sysroot}/usr/include"

  3412. 

  3413. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3414.     target_exec target_os yasmexe

  3415. enabled cross_compile || host_cc_default=$cc

  3416. set_default host_cc

  3417. 

  3418. pkg_config_fail_message=""

  3419. if ! $pkg_config --version >/dev/null 2>&1; then

  3420.     warn "$pkg_config not found, library detection may fail."

  3421.     pkg_config=false

  3422. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3423.     pkg_config_fail_message="

  3424. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3425. fi

  3426. 

  3427. if test $doxygen != $doxygen_default && \

  3428.   ! $doxygen --version >/dev/null 2>&1; then

  3429.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3430. fi

  3431. 

  3432. exesuf() {

  3433.     case $1 in

  3434.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3435.     esac

  3436. }

  3437. 

  3438. EXESUF=$(exesuf $target_os)

  3439. HOSTEXESUF=$(exesuf $host_os)

  3440. 

  3441. # set temporary file name

  3442. : ${TMPDIR:=$TEMPDIR}

  3443. : ${TMPDIR:=$TMP}

  3444. : ${TMPDIR:=/tmp}

  3445. 

  3446. if [ -n "$tempprefix" ] ; then

  3447.     mktemp(){

  3448.         echo $tempprefix.${HOSTNAME}.${UID}

  3449.     }

  3450. elif ! check_cmd mktemp -u XXXXXX; then

  3451.     # simple replacement for missing mktemp

  3452.     # NOT SAFE FOR GENERAL USE

  3453.     mktemp(){

  3454.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3455.     }

  3456. fi

  3457. 

  3458. tmpfile(){

  3459.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3460.         (set -C; exec > $tmp) 2>/dev/null ||

  3461.         die "Unable to create temporary file in $TMPDIR."

  3462.     append TMPFILES $tmp

  3463.     eval $1=$tmp

  3464. }

  3465. 

  3466. trap 'rm -f -- $TMPFILES' EXIT

  3467. 

  3468. tmpfile TMPASM .asm

  3469. tmpfile TMPC   .c

  3470. tmpfile TMPCPP .cpp

  3471. tmpfile TMPE   $EXESUF

  3472. tmpfile TMPH   .h

  3473. tmpfile TMPM   .m

  3474. tmpfile TMPO   .o

  3475. tmpfile TMPS   .S

  3476. tmpfile TMPSH  .sh

  3477. tmpfile TMPV   .ver

  3478. 

  3479. unset -f mktemp

  3480. 

  3481. chmod +x $TMPE

  3482. 

  3483. # make sure we can execute files in $TMPDIR

  3484. cat > $TMPSH 2>> $logfile <<EOF

  3485. #! /bin/sh

  3486. EOF

  3487. chmod +x $TMPSH >> $logfile 2>&1

  3488. if ! $TMPSH >> $logfile 2>&1; then

  3489.     cat <<EOF

  3490. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3491. variable to another directory and make sure that it is not mounted noexec.

  3492. EOF

  3493.     die "Sanity test failed."

  3494. fi

  3495. 

  3496. armasm_flags(){

  3497.     for flag; do

  3498.         case $flag in

  3499.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3500.             # be passed to gas-preprocessor

  3501.             -M[TD]*)                                            ;;

  3502.             *)                  echo $flag                      ;;

  3503.         esac

  3504.    done

  3505. }

  3506. 

  3507. ccc_flags(){

  3508.     for flag; do

  3509.         case $flag in

  3510.             -std=c99)           echo -c99                       ;;

  3511.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3512.             -mieee)             echo -ieee                      ;;

  3513.             -O*|-fast)          echo $flag                      ;;

  3514.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3515.             -g)                 echo -g3                        ;;

  3516.             -Wall)              echo -msg_enable level2         ;;

  3517.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3518.             -Wl,*)              echo $flag                      ;;

  3519.             -f*|-W*)                                            ;;

  3520.             *)                  echo $flag                      ;;

  3521.         esac

  3522.    done

  3523. }

  3524. 

  3525. cparser_flags(){

  3526.     for flag; do

  3527.         case $flag in

  3528.             -Wno-switch)             echo -Wno-switch-enum ;;

  3529.             -Wno-format-zero-length) ;;

  3530.             -Wdisabled-optimization) ;;

  3531.             -Wno-pointer-sign)       echo -Wno-other ;;

  3532.             *)                       echo $flag ;;

  3533.         esac

  3534.     done

  3535. }

  3536. 

  3537. msvc_common_flags(){

  3538.     for flag; do

  3539.         case $flag in

  3540.             # In addition to specifying certain flags under the compiler

  3541.             # specific filters, they must be specified here as well or else the

  3542.             # generic catch all at the bottom will print the original flag.

  3543.             -Wall)                ;;

  3544.             -std=c99)             ;;

  3545.             # Common flags

  3546.             -fomit-frame-pointer) ;;

  3547.             -g)                   echo -Z7 ;;

  3548.             -fno-math-errno)      ;;

  3549.             -fno-common)          ;;

  3550.             -fno-signed-zeros)    ;;

  3551.             -fPIC)                ;;

  3552.             -mthumb)              ;;

  3553.             -march=*)             ;;

  3554.             -lz)                  echo zlib.lib ;;

  3555.             -lavifil32)           echo vfw32.lib ;;

  3556.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3557.             -l*)                  echo ${flag#-l}.lib ;;

  3558.             -LARGEADDRESSAWARE)   echo $flag ;;

  3559.             -L*)                  echo -libpath:${flag#-L} ;;

  3560.             *)                    echo $flag ;;

  3561.         esac

  3562.     done

  3563. }

  3564. 

  3565. msvc_flags(){

  3566.     msvc_common_flags "$@"

  3567.     for flag; do

  3568.         case $flag in

  3569.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3570.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3571.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3572.                                        -wd4307 \

  3573.                                        -wd4273 -wd4554 -wd4701 ;;

  3574.         esac

  3575.     done

  3576. }

  3577. 

  3578. icl_flags(){

  3579.     msvc_common_flags "$@"

  3580.     for flag; do

  3581.         case $flag in

  3582.             # Despite what Intel's documentation says -Wall, which is supported

  3583.             # on Windows, does enable remarks so disable them here.

  3584.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3585.             -std=c99)             echo -Qstd=c99 ;;

  3586.             -flto)                echo -ipo ;;

  3587.         esac

  3588.     done

  3589. }

  3590. 

  3591. icc_flags(){

  3592.     for flag; do

  3593.         case $flag in

  3594.             -flto)                echo -ipo ;;

  3595.             *)                    echo $flag ;;

  3596.         esac

  3597.     done

  3598. }

  3599. 

  3600. pgi_flags(){

  3601.     for flag; do

  3602.         case $flag in

  3603.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3604.             -fomit-frame-pointer) echo -Mnoframe ;;

  3605.             -g)                   echo -gopt ;;

  3606.             *)                    echo $flag ;;

  3607.         esac

  3608.     done

  3609. }

  3610. 

  3611. suncc_flags(){

  3612.     for flag; do

  3613.         case $flag in

  3614.             -march=*|-mcpu=*)

  3615.                 case "${flag#*=}" in

  3616.                     native)                   echo -xtarget=native       ;;

  3617.                     v9|niagara)               echo -xarch=sparc          ;;

  3618.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3619.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3620.                     i586|pentium)             echo -xchip=pentium        ;;

  3621.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3622.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3623.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3624.                     pentium4*)          echo -xtarget=pentium4           ;;

  3625.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3626.                     *-sse3)             echo -xarch=sse3                 ;;

  3627.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3628.                     bonnell)                   echo -xarch=ssse3         ;;

  3629.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3630.                     westmere)                  echo -xtarget=westmere    ;;

  3631.                     silvermont)                echo -xarch=sse4_2        ;;

  3632.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3633.                     core-avx*|ivybridge|haswell|broadwell)

  3634.                                                echo -xarch=avx           ;;

  3635.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3636.                     btver1)                    echo -xarch=amdsse4a      ;;

  3637.                     btver2|bdver*)             echo -xarch=avx           ;;

  3638.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3639.                     k8|opteron|athlon64|athlon-fx)

  3640.                                                echo -xarch=sse2a         ;;

  3641.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3642.                 esac

  3643.                 ;;

  3644.             -std=c99)             echo -xc99              ;;

  3645.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3646.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3647.             -W*,*)                echo $flag              ;;

  3648.             -f*-*|-W*|-mimpure-text)                      ;;

  3649.             -shared)              echo -G                 ;;

  3650.             *)                    echo $flag              ;;

  3651.         esac

  3652.     done

  3653. }

  3654. 

  3655. tms470_flags(){

  3656.     for flag; do

  3657.         case $flag in

  3658.             -march=*|-mcpu=*)

  3659.                 case "${flag#*=}" in

  3660.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3661.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3662.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3663.                     armv6*|arm11*)          echo -mv=6   ;;

  3664.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3665.                                             echo -mv=5e  ;;

  3666.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3667.                 esac

  3668.                 ;;

  3669.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3670.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3671.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3672.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3673.             -msoft-float)   echo --float_support=vfplib       ;;

  3674.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3675.             -g)             echo -g -mn                       ;;

  3676.             -pds=*)         echo $flag                        ;;

  3677.             -D*|-I*)        echo $flag                        ;;

  3678.             --gcc|--abi=*)  echo $flag                        ;;

  3679.             -me)            echo $flag                        ;;

  3680.         esac

  3681.     done

  3682. }

  3683. 

  3684. probe_cc(){

  3685.     pfx=$1

  3686.     _cc=$2

  3687.     first=$3

  3688. 

  3689.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3690.     unset _ld_o _ldflags _ld_lib _ld_path

  3691.     unset _depflags _DEPCMD _DEPFLAGS

  3692.     _flags_filter=echo

  3693. 

  3694.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3695.         true # no-op to avoid reading stdin in following checks

  3696.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3697.         _type=llvm_gcc

  3698.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3699.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3700.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3701.         _cflags_speed='-O3'

  3702.         _cflags_size='-Os'

  3703.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3704.         _type=gcc

  3705.         gcc_version=$($_cc --version | head -n1)

  3706.         gcc_basever=$($_cc -dumpversion)

  3707.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3708.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3709.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3710.         case $gcc_basever in

  3711.             2) ;;

  3712.             2.*) ;;

  3713.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3714.         esac

  3715.         if [ "$first" = true ]; then

  3716.             case $gcc_basever in

  3717.                 4.2*)

  3718.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3719.             esac

  3720.         fi

  3721.         _cflags_speed='-O3'

  3722.         _cflags_size='-Os'

  3723.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3724.         _type=icc

  3725.         _ident=$($_cc --version | head -n1)

  3726.         _depflags='-MMD'

  3727.         _cflags_speed='-O3'

  3728.         _cflags_size='-Os'

  3729.         _cflags_noopt='-O1'

  3730.         _flags_filter=icc_flags

  3731.     elif $_cc -v 2>&1 | grep -q xlc; then

  3732.         _type=xlc

  3733.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3734.         _cflags_speed='-O5'

  3735.         _cflags_size='-O5 -qcompact'

  3736.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3737.         _type=ccc

  3738.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3739.         _DEPFLAGS='-M'

  3740.         _cflags_speed='-fast'

  3741.         _cflags_size='-O1'

  3742.         _flags_filter=ccc_flags

  3743.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3744.         test -d "$sysroot" || die "No valid sysroot specified."

  3745.         _type=armcc

  3746.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3747.         armcc_conf="$PWD/armcc.conf"

  3748.         $_cc --arm_linux_configure                 \

  3749.              --arm_linux_config_file="$armcc_conf" \

  3750.              --configure_sysroot="$sysroot"        \

  3751.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3752.              die "Error creating armcc configuration file."

  3753.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3754.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3755.         as_default="${cross_prefix}gcc"

  3756.         _depflags='-MMD'

  3757.         _cflags_speed='-O3'

  3758.         _cflags_size='-Os'

  3759.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3760.         _type=tms470

  3761.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3762.         _flags='--gcc --abi=eabi -me'

  3763.         _cc_e='-ppl -fe=$@'

  3764.         _cc_o='-fe=$@'

  3765.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3766.         _cflags_speed='-O3 -mf=5'

  3767.         _cflags_size='-O3 -mf=2'

  3768.         _flags_filter=tms470_flags

  3769.     elif $_cc -v 2>&1 | grep -q clang; then

  3770.         _type=clang

  3771.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3772.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3773.         _cflags_speed='-O3'

  3774.         _cflags_size='-Os'

  3775.     elif $_cc -V 2>&1 | grep -q Sun; then

  3776.         _type=suncc

  3777.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3778.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3779.         _DEPFLAGS='-xM1 -xc99'

  3780.         _ldflags='-std=c99'

  3781.         _cflags_speed='-O5'

  3782.         _cflags_size='-O5 -xspace'

  3783.         _flags_filter=suncc_flags

  3784.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3785.         _type=pathscale

  3786.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3787.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3788.         _cflags_speed='-O2'

  3789.         _cflags_size='-Os'

  3790.         _flags_filter='filter_out -Wdisabled-optimization'

  3791.     elif $_cc -v 2>&1 | grep -q Open64; then

  3792.         _type=open64

  3793.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3794.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3795.         _cflags_speed='-O2'

  3796.         _cflags_size='-Os'

  3797.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3798.     elif $_cc -V 2>&1 | grep -q Portland; then

  3799.         _type=pgi

  3800.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3801.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3802.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3803.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3804.         _cflags_noopt="-O"

  3805.         _flags_filter=pgi_flags

  3806.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3807.         _type=armasm

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

  3809.         # 4509: "This form of conditional instruction is deprecated"

  3810.         _flags="-nologo -ignore 4509"

  3811.         _flags_filter=armasm_flags

  3812.     elif $_cc 2>&1 | grep -q Intel; then

  3813.         _type=icl

  3814.         _ident=$($_cc 2>&1 | head -n1)

  3815.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3816.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3817.         # versions (tested) as well.

  3818.         _cflags_speed="-O2"

  3819.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3820.         if $_cc 2>&1 | grep -q Linker; then

  3821.             _ld_o='-out:$@'

  3822.         else

  3823.             _ld_o='-Fe$@'

  3824.         fi

  3825.         _cc_o='-Fo$@'

  3826.         _cc_e='-P'

  3827.         _flags_filter=icl_flags

  3828.         _ld_lib='lib%.a'

  3829.         _ld_path='-libpath:'

  3830.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3831.         _flags='-nologo -Qdiag-error:4044,10157'

  3832.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3833.         # with MSVC which enables it by default.

  3834.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3835.         disable stripping

  3836.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3837.         _type=msvc

  3838.         _ident=$($_cc 2>&1 | head -n1)

  3839.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3840.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3841.         _cflags_speed="-O2"

  3842.         _cflags_size="-O1"

  3843.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3844.             _ld_o='-out:$@'

  3845.         else

  3846.             _ld_o='-Fe$@'

  3847.         fi

  3848.         _cc_o='-Fo$@'

  3849.         _cc_e='-P -Fi$@'

  3850.         _flags_filter=msvc_flags

  3851.         _ld_lib='lib%.a'

  3852.         _ld_path='-libpath:'

  3853.         _flags='-nologo'

  3854.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3855.         disable stripping

  3856.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3857.         _type=cparser

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

  3859.         _depflags='-MMD'

  3860.         _cflags_speed='-O4'

  3861.         _cflags_size='-O2'

  3862.         _flags_filter=cparser_flags

  3863.     fi

  3864. 

  3865.     eval ${pfx}_type=\$_type

  3866.     eval ${pfx}_ident=\$_ident

  3867. }

  3868. 

  3869. set_ccvars(){

  3870.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3871.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3872.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3873. 

  3874.     if [ -n "$_depflags" ]; then

  3875.         eval ${1}_DEPFLAGS=\$_depflags

  3876.     else

  3877.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3878.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3879.         eval DEP${1}FLAGS=\$_flags

  3880.     fi

  3881. }

  3882. 

  3883. probe_cc cc "$cc" "true"

  3884. cflags_filter=$_flags_filter

  3885. cflags_speed=$_cflags_speed

  3886. cflags_size=$_cflags_size

  3887. cflags_noopt=$_cflags_noopt

  3888. add_cflags $_flags $_cflags

  3889. cc_ldflags=$_ldflags

  3890. set_ccvars CC

  3891. 

  3892. probe_cc hostcc "$host_cc"

  3893. host_cflags_filter=$_flags_filter

  3894. add_host_cflags  $_flags $_cflags

  3895. set_ccvars HOSTCC

  3896. 

  3897. test -n "$cc_type" && enable $cc_type ||

  3898.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3899. 

  3900. : ${as_default:=$cc}

  3901. : ${objcc_default:=$cc}

  3902. : ${dep_cc_default:=$cc}

  3903. : ${ld_default:=$cc}

  3904. : ${host_ld_default:=$host_cc}

  3905. set_default ar as objcc dep_cc ld host_ld windres

  3906. 

  3907. probe_cc as "$as"

  3908. asflags_filter=$_flags_filter

  3909. add_asflags $_flags $_cflags

  3910. set_ccvars AS

  3911. 

  3912. probe_cc objcc "$objcc"

  3913. objcflags_filter=$_flags_filter

  3914. add_objcflags $_flags $_cflags

  3915. set_ccvars OBJC

  3916. 

  3917. probe_cc ld "$ld"

  3918. ldflags_filter=$_flags_filter

  3919. add_ldflags $_flags $_ldflags

  3920. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3921. LD_O=${_ld_o-$LD_O}

  3922. LD_LIB=${_ld_lib-$LD_LIB}

  3923. LD_PATH=${_ld_path-$LD_PATH}

  3924. 

  3925. probe_cc hostld "$host_ld"

  3926. host_ldflags_filter=$_flags_filter

  3927. add_host_ldflags $_flags $_ldflags

  3928. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3929. 

  3930. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3931.     probe_cc depcc "$dep_cc"

  3932.     CCDEP=${_DEPCMD:-$DEPCMD}

  3933.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3934.     DEPCCFLAGS=$_flags

  3935. fi

  3936. 

  3937. if $ar 2>&1 | grep -q Microsoft; then

  3938.     arflags="-nologo"

  3939.     ar_o='-out:$@'

  3940. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3941.     arflags="rq"

  3942.     ar_o='$@'

  3943. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3944.     arflags='-Xany -r -c'

  3945.     ar_o='$@'

  3946. elif $ar 2>&1 | grep -q "\[D\] "; then

  3947.     arflags="rcD"

  3948.     ar_o='$@'

  3949. else

  3950.     arflags="rc"

  3951.     ar_o='$@'

  3952. fi

  3953. 

  3954. add_cflags $extra_cflags

  3955. add_cxxflags $extra_cxxflags

  3956. add_objcflags $extra_objcflags

  3957. add_asflags $extra_cflags

  3958. 

  3959. if test -n "$sysroot"; then

  3960.     case "$cc_type" in

  3961.         gcc|llvm_gcc|clang)

  3962.             add_cppflags --sysroot="$sysroot"

  3963.             add_ldflags --sysroot="$sysroot"

  3964. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3965.             add_cppflags -isysroot "$sysroot"

  3966.             add_ldflags -isysroot "$sysroot"

  3967.         ;;

  3968.         tms470)

  3969.             add_cppflags -I"$sysinclude"

  3970.             add_ldflags  --sysroot="$sysroot"

  3971.         ;;

  3972.     esac

  3973. fi

  3974. 

  3975. if test "$cpu" = host; then

  3976.     enabled cross_compile &&

  3977.         die "--cpu=host makes no sense when cross-compiling."

  3978. 

  3979.     case "$cc_type" in

  3980.         gcc|llvm_gcc)

  3981.             check_native(){

  3982.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3983.                 sed -n "/cc1.*$1=/{

  3984.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3985.                             p

  3986.                             q

  3987.                         }" $TMPE

  3988.             }

  3989.             cpu=$(check_native -march || check_native -mcpu)

  3990.         ;;

  3991.         clang)

  3992.             check_native(){

  3993.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3994.                 sed -n "/cc1.*-target-cpu /{

  3995.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  3996.                             p

  3997.                             q

  3998.                         }" $TMPE

  3999.             }

  4000.             cpu=$(check_native -march)

  4001.         ;;

  4002.     esac

  4003. 

  4004.     test "${cpu:-host}" = host &&

  4005.         die "--cpu=host not supported with compiler $cc"

  4006. fi

  4007. 

  4008. # Deal with common $arch aliases

  4009. case "$arch" in

  4010.     aarch64|arm64)

  4011.         arch="aarch64"

  4012.     ;;

  4013.     arm*|iPad*|iPhone*)

  4014.         arch="arm"

  4015.     ;;

  4016.     mips*|IP*)

  4017.         arch="mips"

  4018.     ;;

  4019.     parisc*|hppa*)

  4020.         arch="parisc"

  4021.     ;;

  4022.     "Power Macintosh"|ppc*|powerpc*)

  4023.         arch="ppc"

  4024.     ;;

  4025.     s390|s390x)

  4026.         arch="s390"

  4027.     ;;

  4028.     sh4|sh)

  4029.         arch="sh4"

  4030.     ;;

  4031.     sun4u|sparc*)

  4032.         arch="sparc"

  4033.     ;;

  4034.     tilegx|tile-gx)

  4035.         arch="tilegx"

  4036.     ;;

  4037.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4038.         arch="x86"

  4039.     ;;

  4040. esac

  4041. 

  4042. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4043. enable $arch

  4044. 

  4045. # Add processor-specific flags

  4046. if enabled aarch64; then

  4047. 

  4048.     case $cpu in

  4049.         armv*)

  4050.             cpuflags="-march=$cpu"

  4051.         ;;

  4052.         *)

  4053.             cpuflags="-mcpu=$cpu"

  4054.         ;;

  4055.     esac

  4056. 

  4057. elif enabled alpha; then

  4058. 

  4059.     cpuflags="-mcpu=$cpu"

  4060. 

  4061. elif enabled arm; then

  4062. 

  4063.     check_arm_arch() {

  4064.         check_cpp_condition stddef.h \

  4065.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4066.             $cpuflags

  4067.     }

  4068. 

  4069.     probe_arm_arch() {

  4070.         if   check_arm_arch 4;        then echo armv4;

  4071.         elif check_arm_arch 4T;       then echo armv4t;

  4072.         elif check_arm_arch 5;        then echo armv5;

  4073.         elif check_arm_arch 5E;       then echo armv5e;

  4074.         elif check_arm_arch 5T;       then echo armv5t;

  4075.         elif check_arm_arch 5TE;      then echo armv5te;

  4076.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4077.         elif check_arm_arch 6;        then echo armv6;

  4078.         elif check_arm_arch 6J;       then echo armv6j;

  4079.         elif check_arm_arch 6K;       then echo armv6k;

  4080.         elif check_arm_arch 6Z;       then echo armv6z;

  4081.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4082.         elif check_arm_arch 6T2;      then echo armv6t2;

  4083.         elif check_arm_arch 7;        then echo armv7;

  4084.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4085.         elif check_arm_arch 7S;       then echo armv7-a;

  4086.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4087.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4088.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4089.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4090.         fi

  4091.     }

  4092. 

  4093.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4094. 

  4095.     case $cpu in

  4096.         armv*)

  4097.             cpuflags="-march=$cpu"

  4098.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4099.         ;;

  4100.         *)

  4101.             cpuflags="-mcpu=$cpu"

  4102.             case $cpu in

  4103.                 cortex-a*)                               subarch=armv7a  ;;

  4104.                 cortex-r*)                               subarch=armv7r  ;;

  4105.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4106.                 arm11*)                                  subarch=armv6   ;;

  4107.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4108.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4109.                 *)                             subarch=$(probe_arm_arch) ;;

  4110.             esac

  4111.         ;;

  4112.     esac

  4113. 

  4114.     case "$subarch" in

  4115.         armv5t*)    enable fast_clz                ;;

  4116.         armv[6-8]*)

  4117.             enable fast_clz

  4118.             disabled fast_unaligned || enable fast_unaligned

  4119.             ;;

  4120.     esac

  4121. 

  4122. elif enabled avr32; then

  4123. 

  4124.     case $cpu in

  4125.         ap7[02]0[0-2])

  4126.             subarch="avr32_ap"

  4127.             cpuflags="-mpart=$cpu"

  4128.         ;;

  4129.         ap)

  4130.             subarch="avr32_ap"

  4131.             cpuflags="-march=$cpu"

  4132.         ;;

  4133.         uc3[ab]*)

  4134.             subarch="avr32_uc"

  4135.             cpuflags="-mcpu=$cpu"

  4136.         ;;

  4137.         uc)

  4138.             subarch="avr32_uc"

  4139.             cpuflags="-march=$cpu"

  4140.         ;;

  4141.     esac

  4142. 

  4143. elif enabled bfin; then

  4144. 

  4145.     cpuflags="-mcpu=$cpu"

  4146. 

  4147. elif enabled mips; then

  4148. 

  4149.     cpuflags="-march=$cpu"

  4150. 

  4151.     case $cpu in

  4152.         24kc)

  4153.             disable mips32r6

  4154.             disable mips64r2

  4155.             disable mips64r6

  4156.             disable mipsfpu

  4157.             disable mipsdsp

  4158.             disable mipsdspr2

  4159.             disable msa

  4160.         ;;

  4161.         24kf*)

  4162.             disable mips32r6

  4163.             disable mips64r2

  4164.             disable mips64r6

  4165.             disable mipsdsp

  4166.             disable mipsdspr2

  4167.             disable msa

  4168.         ;;

  4169.         24kec|34kc|1004kc)

  4170.             disable mips32r6

  4171.             disable mips64r2

  4172.             disable mips64r6

  4173.             disable mipsfpu

  4174.             disable mipsdspr2

  4175.             disable msa

  4176.         ;;

  4177.         24kef*|34kf*|1004kf*)

  4178.             disable mips32r6

  4179.             disable mips64r2

  4180.             disable mips64r6

  4181.             disable mipsdspr2

  4182.             disable msa

  4183.         ;;

  4184.         74kc)

  4185.             disable mips32r6

  4186.             disable mips64r2

  4187.             disable mips64r6

  4188.             disable mipsfpu

  4189.             disable msa

  4190.         ;;

  4191.         74kf)

  4192.             disable mips32r6

  4193.             disable mips64r2

  4194.             disable mips64r6

  4195.             disable msa

  4196.         ;;

  4197.         p5600)

  4198.             disable mips32r6

  4199.             disable mips64r2

  4200.             disable mips64r6

  4201.             disable mipsdsp

  4202.             disable mipsdspr2

  4203.             check_cflags "-mtune=p5600" &&

  4204.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4205.             add_asflags "-mfp64"

  4206.         ;;

  4207.         i6400)

  4208.             disable mips32r2

  4209.             disable mips32r6

  4210.             disable mips64r2

  4211.             disable mipsdsp

  4212.             disable mipsdspr2

  4213.             check_cflags "-mtune=i6400 -mabi=64" &&

  4214.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4215.             check_ldflags "-mabi=64" &&

  4216.             add_asflags "-mfp64"

  4217.         ;;

  4218.         loongson*)

  4219.             disable mips32r2

  4220.             disable mips32r6

  4221.             disable mips64r2

  4222.             disable mips64r6

  4223.             disable mipsfpu

  4224.             disable mipsdsp

  4225.             disable mipsdspr2

  4226.             disable msa

  4227.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4228.             enable simd_align_16

  4229.             enable fast_64bit

  4230.             enable fast_clz

  4231.             enable fast_cmov

  4232.             enable fast_unaligned

  4233.             disable aligned_stack

  4234.             case $cpu in

  4235.                 loongson3*)

  4236.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4237.                 ;;

  4238.                 loongson2e)

  4239.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4240.                 ;;

  4241.                 loongson2f)

  4242.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4243.                 ;;

  4244.             esac

  4245.         ;;

  4246.         generic)

  4247.             disable mips64r6

  4248.             disable msa

  4249.         ;;

  4250.         *)

  4251.             # Unknown CPU. Disable everything.

  4252.             warn "unknown CPU. Disabling all MIPS optimizations."

  4253.             disable mipsfpu

  4254.             disable mips32r2

  4255.             disable mips32r6

  4256.             disable mips64r2

  4257.             disable mips64r6

  4258.             disable mipsdsp

  4259.             disable mipsdspr2

  4260.             disable msa

  4261.         ;;

  4262.     esac

  4263. 

  4264. elif enabled ppc; then

  4265. 

  4266.     disable ldbrx

  4267. 

  4268.     case $(tolower $cpu) in

  4269.         601|ppc601|powerpc601)

  4270.             cpuflags="-mcpu=601"

  4271.             disable altivec

  4272.         ;;

  4273.         603*|ppc603*|powerpc603*)

  4274.             cpuflags="-mcpu=603"

  4275.             disable altivec

  4276.         ;;

  4277.         604*|ppc604*|powerpc604*)

  4278.             cpuflags="-mcpu=604"

  4279.             disable altivec

  4280.         ;;

  4281.         g3|75*|ppc75*|powerpc75*)

  4282.             cpuflags="-mcpu=750"

  4283.             disable altivec

  4284.         ;;

  4285.         g4|745*|ppc745*|powerpc745*)

  4286.             cpuflags="-mcpu=7450"

  4287.             disable vsx

  4288.         ;;

  4289.         74*|ppc74*|powerpc74*)

  4290.             cpuflags="-mcpu=7400"

  4291.             disable vsx

  4292.         ;;

  4293.         g5|970|ppc970|powerpc970)

  4294.             cpuflags="-mcpu=970"

  4295.             disable vsx

  4296.         ;;

  4297.         power[3-6]*)

  4298.             cpuflags="-mcpu=$cpu"

  4299.             disable vsx

  4300.         ;;

  4301.         power[7-8]*)

  4302.             cpuflags="-mcpu=$cpu"

  4303.         ;;

  4304.         cell)

  4305.             cpuflags="-mcpu=cell"

  4306.             enable ldbrx

  4307.             disable vsx

  4308.         ;;

  4309.         e500mc)

  4310.             cpuflags="-mcpu=e500mc"

  4311.             disable altivec

  4312.         ;;

  4313.         e500v2)

  4314.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4315.             disable altivec

  4316.             disable dcbzl

  4317.         ;;

  4318.         e500)

  4319.             cpuflags="-mcpu=8540 -mhard-float"

  4320.             disable altivec

  4321.             disable dcbzl

  4322.         ;;

  4323.     esac

  4324. 

  4325. elif enabled sparc; then

  4326. 

  4327.     case $cpu in

  4328.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4329.             cpuflags="-mcpu=$cpu"

  4330.         ;;

  4331.         ultrasparc*|niagara[234])

  4332.             cpuflags="-mcpu=$cpu"

  4333.         ;;

  4334.     esac

  4335. 

  4336. elif enabled x86; then

  4337. 

  4338.     case $cpu in

  4339.         i[345]86|pentium)

  4340.             cpuflags="-march=$cpu"

  4341.             disable i686

  4342.             disable mmx

  4343.         ;;

  4344.         # targets that do NOT support nopl and conditional mov (cmov)

  4345.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4346.             cpuflags="-march=$cpu"

  4347.             disable i686

  4348.         ;;

  4349.         # targets that do support nopl and conditional mov (cmov)

  4350.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4351.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4352.             cpuflags="-march=$cpu"

  4353.             enable i686

  4354.             enable fast_cmov

  4355.         ;;

  4356.         # targets that do support conditional mov but on which it's slow

  4357.         pentium4|pentium4m|prescott|nocona)

  4358.             cpuflags="-march=$cpu"

  4359.             enable i686

  4360.             disable fast_cmov

  4361.         ;;

  4362.     esac

  4363. 

  4364. fi

  4365. 

  4366. if [ "$cpu" != generic ]; then

  4367.     add_cflags  $cpuflags

  4368.     add_asflags $cpuflags

  4369.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4370. fi

  4371. 

  4372. # compiler sanity check

  4373. check_exec <<EOF

  4374. int main(void){ return 0; }

  4375. EOF

  4376. if test "$?" != 0; then

  4377.     echo "$cc is unable to create an executable file."

  4378.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4379.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4380.         echo "Only do this if you know what cross compiling means."

  4381.     fi

  4382.     die "C compiler test failed."

  4383. fi

  4384. 

  4385. add_cppflags -D_ISOC99_SOURCE

  4386. add_cxxflags -D__STDC_CONSTANT_MACROS

  4387. check_cflags -std=c99

  4388. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4389. #include <stdlib.h>

  4390. EOF

  4391. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4392. #include <stdlib.h>

  4393. EOF

  4394. 

  4395. add_host_cppflags -D_ISOC99_SOURCE

  4396. check_host_cflags -std=c99

  4397. check_host_cflags -Wall

  4398. check_host_cflags -O3

  4399. 

  4400. check_64bit(){

  4401.     arch32=$1

  4402.     arch64=$2

  4403.     expr=$3

  4404.     check_code cc "" "int test[2*($expr) - 1]" &&

  4405.         subarch=$arch64 || subarch=$arch32

  4406. }

  4407. 

  4408. case "$arch" in

  4409.     aarch64|alpha|ia64)

  4410.         spic=$shared

  4411.     ;;

  4412.     mips)

  4413.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4414.         spic=$shared

  4415.     ;;

  4416.     parisc)

  4417.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4418.         spic=$shared

  4419.     ;;

  4420.     ppc)

  4421.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4422.         spic=$shared

  4423.     ;;

  4424.     s390)

  4425.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4426.         spic=$shared

  4427.     ;;

  4428.     sparc)

  4429.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4430.         spic=$shared

  4431.     ;;

  4432.     x86)

  4433.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4434.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4435.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4436.             subarch=x86_64

  4437.         if test "$subarch" = "x86_64"; then

  4438.             spic=$shared

  4439.         fi

  4440.     ;;

  4441.     ppc)

  4442.         check_cc <<EOF && subarch="ppc64"

  4443.         int test[(int)sizeof(char*) - 7];

  4444. EOF

  4445.     ;;

  4446. esac

  4447. 

  4448. enable $subarch

  4449. enabled spic && enable_weak pic

  4450. 

  4451. # OS specific

  4452. case $target_os in

  4453.     aix)

  4454.         SHFLAGS=-shared

  4455.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4456.         enabled shared && add_ldflags -Wl,-brtl

  4457.         ;;

  4458.     android)

  4459.         disable symver

  4460.         enable section_data_rel_ro

  4461.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4462.         SLIB_INSTALL_LINKS=

  4463.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4464.         ;;

  4465.     haiku)

  4466.         prefix_default="/boot/common"

  4467.         network_extralibs="-lnetwork"

  4468.         host_libs=

  4469.         ;;

  4470.     sunos)

  4471.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4472.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4473.         network_extralibs="-lsocket -lnsl"

  4474.         add_cppflags -D__EXTENSIONS__

  4475.         # When using suncc to build, the Solaris linker will mark

  4476.         # an executable with each instruction set encountered by

  4477.         # the Solaris assembler.  As our libraries contain their own

  4478.         # guards for processor-specific code, instead suppress

  4479.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4480.         enabled_all suncc x86 &&

  4481.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4482.             add_ldflags -Wl,-M,mapfile

  4483.         nm_default='nm -P -g'

  4484.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4485.         ;;

  4486.     netbsd)

  4487.         disable symver

  4488.         oss_indev_extralibs="-lossaudio"

  4489.         oss_outdev_extralibs="-lossaudio"

  4490.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4491.         ;;

  4492.     openbsd|bitrig)

  4493.         disable symver

  4494.         SHFLAGS='-shared'

  4495.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4496.         SLIB_INSTALL_LINKS=

  4497.         oss_indev_extralibs="-lossaudio"

  4498.         oss_outdev_extralibs="-lossaudio"

  4499.         ;;

  4500.     dragonfly)

  4501.         disable symver

  4502.         ;;

  4503.     freebsd)

  4504.         ;;

  4505.     bsd/os)

  4506.         add_extralibs -lpoll -lgnugetopt

  4507.         strip="strip -d"

  4508.         ;;

  4509.     darwin)

  4510.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4511.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4512.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4513.         strip="${strip} -x"

  4514.         add_ldflags -Wl,-dynamic,-search_paths_first

  4515.         SLIBSUF=".dylib"

  4516.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4517.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4518.         objformat="macho"

  4519.         enabled x86_64 && objformat="macho64"

  4520.         enabled_any pic shared x86_64 ||

  4521.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4522.         ;;

  4523.     msys*)

  4524.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4525.         ;;

  4526.     mingw32*|mingw64*)

  4527.         if test $target_os = "mingw32ce"; then

  4528.             disable network

  4529.         else

  4530.             target_os=mingw32

  4531.         fi

  4532.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4533.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4534.         LIBTARGET=i386

  4535.         if enabled x86_64; then

  4536.             LIBTARGET="i386:x86-64"

  4537.         elif enabled arm; then

  4538.             LIBTARGET=arm-wince

  4539.         fi

  4540.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4541.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4542.         shlibdir_default="$bindir_default"

  4543.         SLIBPREF=""

  4544.         SLIBSUF=".dll"

  4545.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4546.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4547.         dlltool="${cross_prefix}dlltool"

  4548.         if check_cmd lib.exe -list; then

  4549.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4550.             if enabled x86_64; then

  4551.                 LIBTARGET=x64

  4552.             fi

  4553.         elif check_cmd $dlltool --version; then

  4554.             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)'

  4555.         fi

  4556.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4557.         SLIB_INSTALL_LINKS=

  4558.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4559.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4560.         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'

  4561.         objformat="win32"

  4562.         ranlib=:

  4563.         enable dos_paths

  4564.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4565.         # Lets work around some stupidity in binutils.

  4566.         # ld will strip relocations from executables even though we need them

  4567.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4568.         # however ld then forgets what the entry point should be (oops) so we

  4569.         # have to manually (re)set it.

  4570.         if enabled x86_32; then

  4571.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4572.         elif enabled x86_64; then

  4573.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4574.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4575.             # Set image base >4GB for extra entropy with HEASLR

  4576.             add_ldexeflags -Wl,--image-base,0x140000000

  4577.             append SHFLAGS -Wl,--image-base,0x180000000

  4578.         fi

  4579.         ;;

  4580.     win32|win64)

  4581.         disable symver

  4582.         if enabled shared; then

  4583.             # Link to the import library instead of the normal static library

  4584.             # for shared libs.

  4585.             LD_LIB='%.lib'

  4586.             # Cannot build both shared and static libs with MSVC or icl.

  4587.             disable static

  4588.         fi

  4589.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4590.         shlibdir_default="$bindir_default"

  4591.         SLIBPREF=""

  4592.         SLIBSUF=".dll"

  4593.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4594.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4595.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4596.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4597.         SLIB_INSTALL_LINKS=

  4598.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4599.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4600.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4601.         objformat="win32"

  4602.         ranlib=:

  4603.         enable dos_paths

  4604.         ;;

  4605.     cygwin*)

  4606.         target_os=cygwin

  4607.         shlibdir_default="$bindir_default"

  4608.         SLIBPREF="cyg"

  4609.         SLIBSUF=".dll"

  4610.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4611.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4612.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4613.         SLIB_INSTALL_LINKS=

  4614.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4615.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4616.         objformat="win32"

  4617.         enable dos_paths

  4618.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4619.         ;;

  4620.     *-dos|freedos|opendos)

  4621.         network_extralibs="-lsocket"

  4622.         objformat="coff"

  4623.         enable dos_paths

  4624.         add_cppflags -U__STRICT_ANSI__

  4625.         ;;

  4626.     linux)

  4627.         enable dv1394

  4628.         enable section_data_rel_ro

  4629.         ;;

  4630.     irix*)

  4631.         target_os=irix

  4632.         ranlib="echo ignoring ranlib"

  4633.         ;;

  4634.     os/2*)

  4635.         strip="lxlite -CS"

  4636.         ln_s="cp -f"

  4637.         objformat="aout"

  4638.         add_cppflags -D_GNU_SOURCE

  4639.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4640.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4641.         LIBSUF="_s.a"

  4642.         SLIBPREF=""

  4643.         SLIBSUF=".dll"

  4644.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4645.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4646.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4647.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4648.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4649.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4650.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4651.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4652.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4653.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4654.         enable dos_paths

  4655.         enable_weak os2threads

  4656.         ;;

  4657.     gnu/kfreebsd)

  4658.         add_cppflags -D_BSD_SOURCE

  4659.         ;;

  4660.     gnu)

  4661.         ;;

  4662.     qnx)

  4663.         add_cppflags -D_QNX_SOURCE

  4664.         network_extralibs="-lsocket"

  4665.         ;;

  4666.     symbian)

  4667.         SLIBSUF=".dll"

  4668.         enable dos_paths

  4669.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4670.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4671.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4672.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4673.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4674.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4675.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4676.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4677.         ;;

  4678.     osf1)

  4679.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4680.         ;;

  4681.     minix)

  4682.         ;;

  4683.     plan9)

  4684.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4685.                      -D_REENTRANT_SOURCE        \

  4686.                      -D_RESEARCH_SOURCE         \

  4687.                      -DFD_SETSIZE=96            \

  4688.                      -DHAVE_SOCK_OPTS

  4689.         add_compat strtod.o strtod=avpriv_strtod

  4690.         network_extralibs='-lbsd'

  4691.         exeobjs=compat/plan9/main.o

  4692.         disable ffserver

  4693.         cp_f='cp'

  4694.         ;;

  4695.     none)

  4696.         ;;

  4697.     *)

  4698.         die "Unknown OS '$target_os'."

  4699.         ;;

  4700. esac

  4701. 

  4702. # determine libc flavour

  4703. 

  4704. probe_libc(){

  4705.     pfx=$1

  4706.     pfx_no_=${pfx%_}

  4707.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4708.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4709.         eval ${pfx}libc_type=uclibc

  4710.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4711.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4712.         eval ${pfx}libc_type=glibc

  4713.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4714.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4715.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4716.         eval ${pfx}libc_type=newlib

  4717.         add_${pfx}cppflags -U__STRICT_ANSI__

  4718.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4719.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4720.         eval ${pfx}libc_type=mingw64

  4721.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4722.             add_compat msvcrt/snprintf.o

  4723.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4724.         fi

  4725.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4726.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4727.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4728.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4729.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4730.         eval ${pfx}libc_type=mingw32

  4731.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4732.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4733.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4734.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4735.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4736.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4737.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4738.         eval ${pfx}libc_type=msvcrt

  4739.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4740.             if [ "$pfx" = host_ ]; then

  4741.                 add_host_cppflags -Dsnprintf=_snprintf

  4742.             else

  4743.                 add_compat strtod.o strtod=avpriv_strtod

  4744.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4745.                                              _snprintf=avpriv_snprintf  \

  4746.                                              vsnprintf=avpriv_vsnprintf

  4747.             fi

  4748.         fi

  4749.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4750.         # 0x601 by default unless something else is set by the user.

  4751.         # This can easily lead to us detecting functions only present

  4752.         # in such new versions and producing binaries requiring windows 7.0.

  4753.         # Therefore explicitly set the default to XP unless the user has

  4754.         # set something else on the command line.

  4755.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4756.         # family. For these cases, configure is free to use any functions

  4757.         # found in the SDK headers by default. (Alternatively, we could force

  4758.         # _WIN32_WINNT to 0x0602 in that case.)

  4759.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4760.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4761. #ifdef WINAPI_FAMILY

  4762. #include <winapifamily.h>

  4763. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4764. #error not desktop

  4765. #endif

  4766. #endif

  4767. EOF

  4768.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4769.         eval ${pfx}libc_type=klibc

  4770.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4771.         eval ${pfx}libc_type=bionic

  4772.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4773.         eval ${pfx}libc_type=solaris

  4774.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4775.     fi

  4776.     check_${pfx}cc <<EOF

  4777. #include <time.h>

  4778. void *v = localtime_r;

  4779. EOF

  4780. 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

  4781. #include <time.h>

  4782. void *v = localtime_r;

  4783. EOF

  4784. 

  4785. }

  4786. 

  4787. probe_libc

  4788. test -n "$libc_type" && enable libc_$libc_type

  4789. probe_libc host_

  4790. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4791. 

  4792. case $libc_type in

  4793.     bionic)

  4794.         add_compat strtod.o strtod=avpriv_strtod

  4795.         ;;

  4796. esac

  4797. 

  4798. # hacks for compiler/libc/os combinations

  4799. 

  4800. if enabled_all tms470 libc_glibc; then

  4801.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4802.     add_cppflags -D__USER_LABEL_PREFIX__=

  4803.     add_cppflags -D__builtin_memset=memset

  4804.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4805.     add_cflags   -pds=48    # incompatible redefinition of macro

  4806. fi

  4807. 

  4808. if enabled_all ccc libc_glibc; then

  4809.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4810. fi

  4811. 

  4812. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4813.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4814. 

  4815. esc(){

  4816.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4817. }

  4818. 

  4819. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4820. 

  4821. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4822. 

  4823. set_default libdir

  4824. : ${shlibdir_default:="$libdir"}

  4825. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4826. 

  4827. set_default $PATHS_LIST

  4828. set_default nm

  4829. 

  4830. # we need to build at least one lib type

  4831. if ! enabled_any static shared; then

  4832.     cat <<EOF

  4833. At least one library type must be built.

  4834. Specify --enable-static to build the static libraries or --enable-shared to

  4835. build the shared libraries as well. To only build the shared libraries specify

  4836. --disable-static in addition to --enable-shared.

  4837. EOF

  4838.     exit 1;

  4839. fi

  4840. 

  4841. die_license_disabled() {

  4842.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4843. }

  4844. 

  4845. die_license_disabled_gpl() {

  4846.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4847. }

  4848. 

  4849. die_license_disabled gpl frei0r

  4850. die_license_disabled gpl libcdio

  4851. die_license_disabled gpl librubberband

  4852. die_license_disabled gpl libsmbclient

  4853. die_license_disabled gpl libutvideo

  4854. die_license_disabled gpl libvidstab

  4855. die_license_disabled gpl libx264

  4856. die_license_disabled gpl libx265

  4857. die_license_disabled gpl libxavs

  4858. die_license_disabled gpl libxvid

  4859. die_license_disabled gpl libzvbi

  4860. die_license_disabled gpl x11grab

  4861. 

  4862. die_license_disabled nonfree libaacplus

  4863. die_license_disabled nonfree libfaac

  4864. die_license_disabled nonfree nvenc

  4865. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4866. enabled gpl && die_license_disabled_gpl nonfree openssl

  4867. 

  4868. die_license_disabled version3 gmp

  4869. die_license_disabled version3 libopencore_amrnb

  4870. die_license_disabled version3 libopencore_amrwb

  4871. die_license_disabled version3 libsmbclient

  4872. die_license_disabled version3 libvo_aacenc

  4873. die_license_disabled version3 libvo_amrwbenc

  4874. 

  4875. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4876. 

  4877. disabled optimizations || check_cflags -fomit-frame-pointer

  4878. 

  4879. enable_weak_pic() {

  4880.     disabled pic && return

  4881.     enable pic

  4882.     add_cppflags -DPIC

  4883.     case "$target_os" in

  4884.     mingw*|cygwin*)

  4885.         ;;

  4886.     *)

  4887.         add_cflags -fPIC

  4888.         ;;

  4889.     esac

  4890.     add_asflags  -fPIC

  4891. }

  4892. 

  4893. enabled pic && enable_weak_pic

  4894. 

  4895. check_cc <<EOF || die "Symbol mangling check failed."

  4896. int ff_extern;

  4897. EOF

  4898. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4899. extern_prefix=${sym%%ff_extern*}

  4900. 

  4901. check_cc <<EOF && enable_weak inline_asm

  4902. void foo(void) { __asm__ volatile ("" ::); }

  4903. EOF

  4904. 

  4905. _restrict=

  4906. for restrict_keyword in restrict __restrict__ __restrict; do

  4907.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4908. void foo(char * $restrict_keyword p);

  4909. EOF

  4910. done

  4911. 

  4912. check_cc <<EOF && enable pragma_deprecated

  4913. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4914. EOF

  4915. 

  4916. check_cc <<EOF && enable attribute_packed

  4917. struct { int x; } __attribute__((packed)) x;

  4918. EOF

  4919. 

  4920. check_cc <<EOF && enable attribute_may_alias

  4921. union { int x; } __attribute__((may_alias)) x;

  4922. EOF

  4923. 

  4924. check_cc <<EOF || die "endian test failed"

  4925. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4926. EOF

  4927. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4928. 

  4929. if ! enabled ppc64 || enabled bigendian; then

  4930.     disable vsx

  4931. fi

  4932. 

  4933. check_gas() {

  4934.     log "check_gas using '$as' as AS"

  4935.     # :vararg is used on aarch64, arm and ppc altivec

  4936.     check_as <<EOF || return 1

  4937. .macro m n, y:vararg=0

  4938. \n: .int \y

  4939. .endm

  4940. m x

  4941. EOF

  4942.     # .altmacro is only used in arm asm

  4943.     ! enabled arm || check_as <<EOF || return 1

  4944. .altmacro

  4945. EOF

  4946.     enable gnu_as

  4947.     return 0

  4948. }

  4949. 

  4950. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4951.     nogas=:

  4952.     enabled_any arm aarch64 && nogas=die

  4953.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4954.     as_noop=-v

  4955. 

  4956.     case $as_type in

  4957.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4958.         gcc)  gaspp_as_type=gas ;;

  4959.         *)    gaspp_as_type=$as_type ;;

  4960.     esac

  4961. 

  4962.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4963. 

  4964.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4965.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4966.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4967. 

  4968.     if ! check_gas ; then

  4969.         as=${gas:=$as}

  4970.         check_gas || \

  4971.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4972.     fi

  4973. 

  4974.     check_as <<EOF && enable as_func

  4975. .func test

  4976. .endfunc

  4977. EOF

  4978. fi

  4979. 

  4980. check_inline_asm inline_asm_labels '"1:\n"'

  4981. 

  4982. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4983. 

  4984. if enabled aarch64; then

  4985.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4986.     # internal assembler in clang 3.3 does not support this instruction

  4987.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4988.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4989. 

  4990.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4991. 

  4992. elif enabled alpha; then

  4993. 

  4994.     check_cflags -mieee

  4995. 

  4996. elif enabled arm; then

  4997. 

  4998.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4999. 

  5000.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5001. float func(float a, float b){ return a+b; }

  5002. EOF

  5003. 

  5004.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5005. 

  5006.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5007.         enable vfp_args

  5008.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5009.         enable vfp_args

  5010.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5011.         case "${cross_prefix:-$cc}" in

  5012.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5013.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5014. __asm__ (".eabi_attribute 28, 1");

  5015. int main(void) { return 0; }

  5016. EOF

  5017.         esac

  5018.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5019.     fi

  5020. 

  5021.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5022.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5023.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5024.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5025.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5026.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5027.     enabled setend  && check_insn setend  'setend be'

  5028. 

  5029.     [ $target_os = linux ] || [ $target_os = android ] ||

  5030.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5031.             $ARCH_EXT_LIST_ARM

  5032. 

  5033.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5034. 

  5035.     check_as <<EOF && enable as_dn_directive

  5036. ra .dn d0.i16

  5037. .unreq ra

  5038. EOF

  5039. 

  5040.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5041.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5042. .object_arch armv4

  5043. EOF

  5044. 

  5045.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5046. 

  5047. elif enabled mips; then

  5048. 

  5049.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5050.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5051.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5052. 

  5053.     # Enable minimum ISA based on selected options

  5054.     if enabled mips64 && (enabled mipsdsp || enabled mipsdspr2); then

  5055.         add_cflags "-mips64r2"

  5056.         add_asflags "-mips64r2"

  5057.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  5058.         add_cflags "-mips64"

  5059.         add_asflags "-mips64"

  5060.     elif enabled mipsdsp || enabled mipsdspr2; then

  5061.         add_cflags "-mips32r2 -mfp32"

  5062.         add_asflags "-mips32r2 -mfp32"

  5063.     fi

  5064. 

  5065.     enabled mipsdsp && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  5066.      check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"'

  5067.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  5068.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  5069.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  5070.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  5071.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  5072.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  5073. 

  5074.     enabled msa && add_asflags "-mmsa"

  5075. 

  5076. elif enabled parisc; then

  5077. 

  5078.     if enabled gcc; then

  5079.         case $($cc -dumpversion) in

  5080.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5081.         esac

  5082.     fi

  5083. 

  5084. elif enabled ppc; then

  5085. 

  5086.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5087. 

  5088.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5089.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5090.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5091.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5092. 

  5093.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5094.     if enabled altivec; then

  5095.         check_cflags -maltivec -mabi=altivec &&

  5096.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5097.         check_cflags -faltivec

  5098. 

  5099.         # check if our compiler supports Motorola AltiVec C API

  5100.         check_cc <<EOF || disable altivec

  5101. $inc_altivec_h

  5102. int main(void) {

  5103.     vector signed int v1 = (vector signed int) { 0 };

  5104.     vector signed int v2 = (vector signed int) { 1 };

  5105.     v1 = vec_add(v1, v2);

  5106.     return 0;

  5107. }

  5108. EOF

  5109. 

  5110.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5111.     fi

  5112. 

  5113.     if enabled vsx; then

  5114.         check_cflags -mvsx &&

  5115.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5116.     fi

  5117. 

  5118.     if enabled power8; then

  5119.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5120.     fi

  5121. 

  5122. elif enabled x86; then

  5123. 

  5124.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5125.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5126. 

  5127.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5128. 

  5129.     # check whether EBP is available on x86

  5130.     # As 'i' is stored on the stack, this program will crash

  5131.     # if the base pointer is used to access it because the

  5132.     # base pointer is cleared in the inline assembly code.

  5133.     check_exec_crash <<EOF && enable ebp_available

  5134. volatile int i=0;

  5135. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5136. return i;

  5137. EOF

  5138. 

  5139.     # check whether EBX is available on x86

  5140.     check_inline_asm ebx_available '""::"b"(0)' &&

  5141.         check_inline_asm ebx_available '"":::"%ebx"'

  5142. 

  5143.     # check whether xmm clobbers are supported

  5144.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5145. 

  5146.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5147.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5148. 

  5149.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5150.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5151.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5152. 

  5153.     if ! disabled_any asm mmx yasm; then

  5154.         if check_cmd $yasmexe --version; then

  5155.             enabled x86_64 && yasm_extra="-m amd64"

  5156.             yasm_debug="-g dwarf2"

  5157.         elif check_cmd nasm -v; then

  5158.             yasmexe=nasm

  5159.             yasm_debug="-g -F dwarf"

  5160.             if enabled x86_64; then

  5161.                 case "$objformat" in

  5162.                     elf)   objformat=elf64 ;;

  5163.                     win32) objformat=win64 ;;

  5164.                 esac

  5165.             fi

  5166.         fi

  5167. 

  5168.         YASMFLAGS="-f $objformat $yasm_extra"

  5169.         enabled pic               && append YASMFLAGS "-DPIC"

  5170.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5171.         case "$objformat" in

  5172.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5173.         esac

  5174. 

  5175.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5176.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5177.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5178.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5179.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5180.         check_yasm "CPU amdnop" || disable cpunop

  5181.     fi

  5182. 

  5183.     case "$cpu" in

  5184.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5185.             disable fast_clz

  5186.         ;;

  5187.     esac

  5188. 

  5189. fi

  5190. 

  5191. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5192. 

  5193. check_ldflags -Wl,--as-needed

  5194. check_ldflags -Wl,-z,noexecstack

  5195. 

  5196. if check_func dlopen; then

  5197.     ldl=

  5198. elif check_func dlopen -ldl; then

  5199.     ldl=-ldl

  5200. fi

  5201. 

  5202. frei0r_filter_extralibs='$ldl'

  5203. frei0r_src_filter_extralibs='$ldl'

  5204. ladspa_filter_extralibs='$ldl'

  5205. nvenc_encoder_extralibs='$ldl'

  5206. 

  5207. if ! disabled network; then

  5208.     check_func getaddrinfo $network_extralibs

  5209.     check_func inet_aton $network_extralibs

  5210. 

  5211.     check_type netdb.h "struct addrinfo"

  5212.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5213.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5214.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5215.     check_type poll.h "struct pollfd"

  5216.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5217.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5218.     check_type netinet/in.h "struct sockaddr_in6"

  5219.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5220.     check_type "sys/types.h sys/socket.h" socklen_t

  5221. 

  5222.     # Prefer arpa/inet.h over winsock2

  5223.     if check_header arpa/inet.h ; then

  5224.         check_func closesocket

  5225.     elif check_header winsock2.h ; then

  5226.         check_func_headers winsock2.h closesocket -lws2 &&

  5227.             network_extralibs="-lws2" ||

  5228.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5229.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5230.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5231. 

  5232.         check_type ws2tcpip.h socklen_t

  5233.         check_type ws2tcpip.h "struct addrinfo"

  5234.         check_type ws2tcpip.h "struct group_source_req"

  5235.         check_type ws2tcpip.h "struct ip_mreq_source"

  5236.         check_type ws2tcpip.h "struct ipv6_mreq"

  5237.         check_type winsock2.h "struct pollfd"

  5238.         check_struct winsock2.h "struct sockaddr" sa_len

  5239.         check_type ws2tcpip.h "struct sockaddr_in6"

  5240.         check_type ws2tcpip.h "struct sockaddr_storage"

  5241.     else

  5242.         disable network

  5243.     fi

  5244. fi

  5245. 

  5246. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5247. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5248. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5249. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5250. check_builtin sarestart signal.h "SA_RESTART"

  5251. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5252. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5253. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5254. 

  5255. case "$custom_allocator" in

  5256.     jemalloc)

  5257.         # jemalloc by default does not use a prefix

  5258.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5259.     ;;

  5260.     tcmalloc)

  5261.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5262.         malloc_prefix=tc_

  5263.     ;;

  5264. esac

  5265. 

  5266. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5267. check_func  ${malloc_prefix}memalign            && enable memalign

  5268. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5269. 

  5270. check_func  access

  5271. check_func  arc4random

  5272. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5273. check_func  fcntl

  5274. check_func  fork

  5275. check_func  gethrtime

  5276. check_func  getopt

  5277. check_func  getrusage

  5278. check_func  gettimeofday

  5279. check_func  isatty

  5280. check_func  mach_absolute_time

  5281. check_func  mkstemp

  5282. check_func  mmap

  5283. check_func  mprotect

  5284. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5285. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5286. check_func  sched_getaffinity

  5287. check_func  setrlimit

  5288. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5289. check_func  strerror_r

  5290. check_func  sysconf

  5291. check_func  sysctl

  5292. check_func  usleep

  5293. 

  5294. check_func_headers conio.h kbhit

  5295. check_func_headers io.h setmode

  5296. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5297. check_func_headers stdlib.h getenv

  5298. check_func_headers sys/stat.h lstat

  5299. 

  5300. check_func_headers windows.h CoTaskMemFree -lole32

  5301. check_func_headers windows.h GetProcessAffinityMask

  5302. check_func_headers windows.h GetProcessTimes

  5303. check_func_headers windows.h GetSystemTimeAsFileTime

  5304. check_func_headers windows.h MapViewOfFile

  5305. check_func_headers windows.h PeekNamedPipe

  5306. check_func_headers windows.h SetConsoleTextAttribute

  5307. check_func_headers windows.h SetConsoleCtrlHandler

  5308. check_func_headers windows.h Sleep

  5309. check_func_headers windows.h VirtualAlloc

  5310. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5311. check_func_headers glob.h glob

  5312. enabled xlib &&

  5313.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5314. 

  5315. check_header direct.h

  5316. check_header dirent.h

  5317. check_header dlfcn.h

  5318. check_header d3d11.h

  5319. check_header dxva.h

  5320. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5321. check_header io.h

  5322. check_header libcrystalhd/libcrystalhd_if.h

  5323. check_header mach/mach_time.h

  5324. check_header malloc.h

  5325. check_header net/udplite.h

  5326. check_header poll.h

  5327. check_header sys/mman.h

  5328. check_header sys/param.h

  5329. check_header sys/resource.h

  5330. check_header sys/select.h

  5331. check_header sys/time.h

  5332. check_header sys/un.h

  5333. check_header termios.h

  5334. check_header unistd.h

  5335. check_header valgrind/valgrind.h

  5336. check_header vdpau/vdpau.h

  5337. check_header vdpau/vdpau_x11.h

  5338. check_header VideoDecodeAcceleration/VDADecoder.h

  5339. check_header VideoToolbox/VideoToolbox.h

  5340. check_header windows.h

  5341. check_header X11/extensions/XvMClib.h

  5342. check_header asm/types.h

  5343. 

  5344. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5345. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5346. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5347. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5348. 

  5349. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5350. 

  5351. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5352. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5353. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5354. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5355. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5356. 

  5357. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5358. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5359. 

  5360. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5361. 

  5362. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5363. 

  5364. if ! disabled w32threads && ! enabled pthreads; then

  5365.     check_func_headers "windows.h process.h" _beginthreadex &&

  5366.         enable w32threads || disable w32threads

  5367.     if ! enabled w32threads && enabled winrt; then

  5368.         check_func_headers "windows.h" CreateThread &&

  5369.             enable w32threads || disable w32threads

  5370.     fi

  5371. fi

  5372. 

  5373. # check for some common methods of building with pthread support

  5374. # do this before the optional library checks as some of them require pthreads

  5375. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5376.     enable pthreads

  5377.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5378.         add_cflags -pthread

  5379.         add_extralibs -pthread

  5380.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5381.         add_cflags -pthreads

  5382.         add_extralibs -pthreads

  5383.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5384.         add_cflags -ldl -pthread

  5385.         add_extralibs -ldl -pthread

  5386.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5387.         add_extralibs -lpthreadGC2

  5388.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5389.         :

  5390.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5391.         disable pthreads

  5392.     fi

  5393.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5394. fi

  5395. 

  5396. 

  5397. if enabled pthreads; then

  5398.   check_func pthread_cancel

  5399. fi

  5400. 

  5401. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5402. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5403. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5404. 

  5405. check_lib math.h sin -lm && LIBM="-lm"

  5406. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5407. 

  5408. atan2f_args=2

  5409. copysign_args=2

  5410. hypot_args=2

  5411. ldexpf_args=2

  5412. powf_args=2

  5413. 

  5414. for func in $MATH_FUNCS; do

  5415.     eval check_mathfunc $func \${${func}_args:-1}

  5416. done

  5417. 

  5418. for func in $COMPLEX_FUNCS; do

  5419.     eval check_complexfunc $func \${${func}_args:-1}

  5420. done

  5421. 

  5422. # these are off by default, so fail if requested and not available

  5423. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5424. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5425.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5426. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5427.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5428.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5429. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5430. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5431. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5432. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5433. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5434. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5435. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5436. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5437. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5438. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5439. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5440. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5441.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5442.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5443. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5444. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5445. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5446. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5447.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5448.                                  warn "using libfdk without pkg-config"; } }

  5449. 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"

  5450. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5451. enabled fontconfig        && enable libfontconfig

  5452. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5453. enabled libfreetype       && require_libfreetype

  5454. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5455. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5456. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5457.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5458.                                done || die "ERROR: libgsm not found"; }

  5459. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5460. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5461. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5462. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5463. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5464. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5465. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5466. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5467. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5468. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5469. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5470.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5471.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5472.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5473.                                die "ERROR: libopenjpeg not found"; }

  5474. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5475. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5476. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5477. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5478. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5479. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5480. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5481. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5482.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5483. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5484. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5485. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5486. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5487. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5488. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5489. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5490.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5491.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5492. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5493. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5494. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5495. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5496. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5497. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5498. 

  5499. enabled libvpx            && {

  5500.     enabled libvpx_vp8_decoder && {

  5501.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5502.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5503.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5504.     }

  5505.     enabled libvpx_vp8_encoder && {

  5506.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5507.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5508.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5509.     }

  5510.     enabled libvpx_vp9_decoder && {

  5511.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5512.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5513.                 disable libvpx_vp9_decoder;

  5514.     }

  5515.     enabled libvpx_vp9_encoder && {

  5516.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5517.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5518.                 disable libvpx_vp9_encoder;

  5519.     }

  5520.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5521.         die "libvpx enabled but no supported decoders found"

  5522.     fi

  5523. }

  5524. 

  5525. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5526. enabled libwebp           && {

  5527.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5528.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5529. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5530.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5531.                                  warn "using libx264 without pkg-config"; } } &&

  5532.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5533.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5534.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5535.                                enable libx262; }

  5536. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5537.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5538.                                die "ERROR: libx265 version must be >= 57."; }

  5539. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5540. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5541. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5542. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5543. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5544. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5545.                                 { ! enabled cross_compile && {

  5546.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5547.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5548.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5549.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5550.                                die "ERROR: mmal not found"; }

  5551. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5552. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5553.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5554.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5555.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5556. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5557.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5558.                                die "ERROR: openal not found"; } &&

  5559.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5560.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5561. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5562.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5563.                                die "ERROR: opencl not found"; } &&

  5564.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5565.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5566.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5567. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5568.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5569.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5570.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5571.                                die "ERROR: opengl not found."

  5572.                              }

  5573. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5574.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5575.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5576.                                die "ERROR: openssl not found"; }

  5577. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5578. 

  5579. # libdc1394 check

  5580. if enabled libdc1394; then

  5581.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5582.         enable libdc1394_2; } ||

  5583.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5584.         enable libdc1394_1; } ||

  5585.     die "ERROR: No version of libdc1394 found "

  5586. fi

  5587. 

  5588. if enabled gcrypt; then

  5589.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5590.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5591.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5592.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5593.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5594.             die "ERROR: gcrypt not found"

  5595.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5596.     else

  5597.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5598.     fi

  5599. fi

  5600. 

  5601. if ! disabled sdl; then

  5602.     SDL_CONFIG="${cross_prefix}sdl-config"

  5603.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5604.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5605.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5606.         enable sdl

  5607.     else

  5608.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5609.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5610.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5611.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5612.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5613.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5614.             enable sdl

  5615.         elif enabled sdl ; then

  5616.             die "ERROR: SDL not found"

  5617.         else

  5618.             disable sdl

  5619.         fi

  5620.     fi

  5621.     if test $target_os = "mingw32"; then

  5622.         sdl_libs="$sdl_libs -mconsole"

  5623.     fi

  5624. fi

  5625. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5626. 

  5627. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5628.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5629.     enable securetransport; }

  5630. 

  5631. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5632.                        enable schannel && add_extralibs -lSecur32; }

  5633. 

  5634. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5635. enabled makeinfo \

  5636.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5637.     && enable makeinfo_html || disable makeinfo_html

  5638. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5639. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5640. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5641. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5642. 

  5643. check_header linux/fb.h

  5644. check_header linux/videodev.h

  5645. check_header linux/videodev2.h

  5646. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5647. 

  5648. check_header sys/videoio.h

  5649. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5650. 

  5651. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5652. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5653. # w32api 3.12 had it defined wrong

  5654. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5655. 

  5656. check_type "dshow.h" IBaseFilter

  5657. 

  5658. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5659. { check_header dev/bktr/ioctl_meteor.h &&

  5660.   check_header dev/bktr/ioctl_bt848.h; } ||

  5661. { check_header machine/ioctl_meteor.h &&

  5662.   check_header machine/ioctl_bt848.h; } ||

  5663. { check_header dev/video/meteor/ioctl_meteor.h &&

  5664.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5665. check_header dev/ic/bt8xx.h

  5666. 

  5667. check_header sndio.h

  5668. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5669.     enable_safe sys/soundcard.h

  5670. else

  5671.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5672.     #include <sys/soundcard.h>

  5673.     audio_buf_info abc;

  5674. EOF

  5675. fi

  5676. check_header soundcard.h

  5677. 

  5678. enabled_any alsa_indev alsa_outdev &&

  5679.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5680. 

  5681. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5682.     check_func jack_port_get_latency_range -ljack

  5683. 

  5684. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5685. 

  5686. if enabled libcdio; then

  5687.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5688.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5689.     die "ERROR: No usable libcdio/cdparanoia found"

  5690. fi

  5691. 

  5692. enabled xlib &&

  5693.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5694. 

  5695. if ! disabled libxcb; then

  5696.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5697.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5698.     } && disable x11grab && enable libxcb

  5699. 

  5700. if enabled libxcb; then

  5701.     disabled libxcb_shm || {

  5702.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5703.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5704.         } && check_header sys/shm.h && enable libxcb_shm; }

  5705. 

  5706.     disabled libxcb_xfixes || {

  5707.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5708.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5709.         } && enable libxcb_xfixes; }

  5710. 

  5711.     disabled libxcb_shape || {

  5712.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5713.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5714.         } && enable libxcb_shape; }

  5715. 

  5716.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5717.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5718. fi

  5719. fi

  5720. 

  5721. if enabled x11grab; then

  5722.     enabled xlib || die "ERROR: Xlib not found"

  5723.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5724.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5725. fi

  5726. 

  5727. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5728. 

  5729. enabled dxva2api_h &&

  5730.     check_cc <<EOF && enable dxva2api_cobj

  5731. #define _WIN32_WINNT 0x0600

  5732. #define COBJMACROS

  5733. #include <windows.h>

  5734. #include <d3d9.h>

  5735. #include <dxva2api.h>

  5736. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5737. EOF

  5738. 

  5739. enabled vaapi &&

  5740.     check_lib va/va.h vaInitialize -lva ||

  5741.     disable vaapi

  5742. 

  5743. enabled vaapi && enabled xlib &&

  5744.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5745.     enable vaapi_x11

  5746. 

  5747. enabled vdpau &&

  5748.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5749.     disable vdpau

  5750. 

  5751. enabled vdpau && enabled xlib &&

  5752.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5753.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5754.     enable vdpau_x11

  5755. 

  5756. # Funny iconv installations are not unusual, so check it after all flags have been set

  5757. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5758. 

  5759. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5760. 

  5761. # add some useful compiler flags if supported

  5762. check_cflags -Wdeclaration-after-statement

  5763. check_cflags -Wall

  5764. check_cflags -Wdisabled-optimization

  5765. check_cflags -Wpointer-arith

  5766. check_cflags -Wredundant-decls

  5767. check_cflags -Wwrite-strings

  5768. check_cflags -Wtype-limits

  5769. check_cflags -Wundef

  5770. check_cflags -Wmissing-prototypes

  5771. check_cflags -Wno-pointer-to-int-cast

  5772. check_cflags -Wstrict-prototypes

  5773. check_cflags -Wempty-body

  5774. enabled extra_warnings && check_cflags -Winline

  5775. enabled extra_warnings && check_cflags -Wcast-qual

  5776. 

  5777. check_disable_warning(){

  5778.     warning_flag=-W${1#-Wno-}

  5779.     test_cflags $warning_flag && add_cflags $1

  5780. }

  5781. 

  5782. check_disable_warning -Wno-parentheses

  5783. check_disable_warning -Wno-switch

  5784. check_disable_warning -Wno-format-zero-length

  5785. check_disable_warning -Wno-pointer-sign

  5786. check_disable_warning -Wno-unused-const-variable

  5787. 

  5788. # add some linker flags

  5789. check_ldflags -Wl,--warn-common

  5790. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5791. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5792. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5793. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5794. 

  5795. # add some strip flags

  5796. # -wN '..@*' is more selective than -x, but not available everywhere.

  5797. check_stripflags -wN \'..@*\' || check_stripflags -x

  5798. 

  5799. enabled neon_clobber_test &&

  5800.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5801.                   -Wl,--wrap,avcodec_decode_audio4      \

  5802.                   -Wl,--wrap,avcodec_decode_video2      \

  5803.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5804.                   -Wl,--wrap,avcodec_encode_audio2      \

  5805.                   -Wl,--wrap,avcodec_encode_video2      \

  5806.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5807.                   -Wl,--wrap,swr_convert                \

  5808.                   -Wl,--wrap,avresample_convert ||

  5809.     disable neon_clobber_test

  5810. 

  5811. enabled xmm_clobber_test &&

  5812.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5813.                   -Wl,--wrap,avcodec_decode_audio4      \

  5814.                   -Wl,--wrap,avcodec_decode_video2      \

  5815.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5816.                   -Wl,--wrap,avcodec_encode_audio2      \

  5817.                   -Wl,--wrap,avcodec_encode_video2      \

  5818.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5819.                   -Wl,--wrap,swr_convert                \

  5820.                   -Wl,--wrap,avresample_convert         \

  5821.                   -Wl,--wrap,sws_scale ||

  5822.     disable xmm_clobber_test

  5823. 

  5824. echo "X { local: *; };" > $TMPV

  5825. if test_ldflags -Wl,--version-script,$TMPV; then

  5826.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5827. elif test_ldflags -Wl,-M,$TMPV; then

  5828.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5829. fi

  5830. 

  5831. check_cc <<EOF && enable symver_asm_label

  5832. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5833. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5834. EOF

  5835.     check_cc <<EOF && enable symver_gnu_asm

  5836. __asm__(".symver ff_foo,av_foo@VERSION");

  5837. void ff_foo(void) {}

  5838. EOF

  5839. 

  5840. if [ -z "$optflags" ]; then

  5841.     if enabled small; then

  5842.         optflags=$cflags_size

  5843.     elif enabled optimizations; then

  5844.         optflags=$cflags_speed

  5845.     else

  5846.         optflags=$cflags_noopt

  5847.     fi

  5848. fi

  5849. 

  5850. check_optflags(){

  5851.     check_cflags "$@"

  5852.     enabled lto && check_ldflags "$@"

  5853. }

  5854. 

  5855. 

  5856. if enabled lto; then

  5857.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5858.     check_cflags  -flto

  5859.     check_ldflags -flto $cpuflags

  5860.     disable inline_asm_direct_symbol_refs

  5861. fi

  5862. 

  5863. check_optflags $optflags

  5864. check_optflags -fno-math-errno

  5865. check_optflags -fno-signed-zeros

  5866. 

  5867. enabled ftrapv && check_cflags -ftrapv

  5868. 

  5869. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5870. int x;

  5871. EOF

  5872. 

  5873. 

  5874. if enabled icc; then

  5875.     # Just warnings, no remarks

  5876.     check_cflags -w1

  5877.     # -wd: Disable following warnings

  5878.     # 144, 167, 556: -Wno-pointer-sign

  5879.     # 188: enumerated type mixed with another type

  5880.     # 1292: attribute "foo" ignored

  5881.     # 1419: external declaration in primary source file

  5882.     # 10006: ignoring unknown option -fno-signed-zeros

  5883.     # 10148: ignoring unknown option -Wno-parentheses

  5884.     # 10156: ignoring option '-W'; no argument required

  5885.     # 13200: No EMMS instruction before call to function

  5886.     # 13203: No EMMS instruction before return from function

  5887.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5888.     # 11030: Warning unknown option --as-needed

  5889.     # 10156: ignoring option '-export'; no argument required

  5890.     check_ldflags -wd10156,11030

  5891.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5892.     enable ebp_available

  5893.     # The test above does not test linking

  5894.     enabled lto && disable symver_asm_label

  5895.     if enabled x86_32; then

  5896.         icc_version=$($cc -dumpversion)

  5897.         test ${icc_version%%.*} -ge 11 &&

  5898.             check_cflags -falign-stack=maintain-16-byte ||

  5899.             disable aligned_stack

  5900.     fi

  5901. elif enabled ccc; then

  5902.     # disable some annoying warnings

  5903.     add_cflags -msg_disable bitnotint

  5904.     add_cflags -msg_disable mixfuncvoid

  5905.     add_cflags -msg_disable nonstandcast

  5906.     add_cflags -msg_disable unsupieee

  5907. elif enabled gcc; then

  5908.     check_optflags -fno-tree-vectorize

  5909.     check_cflags -Werror=format-security

  5910.     check_cflags -Werror=implicit-function-declaration

  5911.     check_cflags -Werror=missing-prototypes

  5912.     check_cflags -Werror=return-type

  5913.     check_cflags -Werror=vla

  5914.     check_cflags -Wformat

  5915.     check_cflags -fdiagnostics-color=auto

  5916.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5917. elif enabled llvm_gcc; then

  5918.     check_cflags -mllvm -stack-alignment=16

  5919. elif enabled clang; then

  5920.     check_cflags -mllvm -stack-alignment=16

  5921.     check_cflags -Qunused-arguments

  5922.     check_cflags -Werror=implicit-function-declaration

  5923.     check_cflags -Werror=missing-prototypes

  5924.     check_cflags -Werror=return-type

  5925. elif enabled cparser; then

  5926.     add_cflags -Wno-missing-variable-declarations

  5927.     add_cflags -Wno-empty-statement

  5928. elif enabled armcc; then

  5929.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5930.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5931.     # 2523: use of inline assembly is deprecated

  5932.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5933.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5934.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5935.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5936.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5937.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5938. elif enabled tms470; then

  5939.     add_cflags -pds=824 -pds=837

  5940.     disable inline_asm

  5941. elif enabled pathscale; then

  5942.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5943. elif enabled_any msvc icl; then

  5944.     enabled x86_32 && disable aligned_stack

  5945.     enabled_all x86_32 debug && add_cflags -Oy-

  5946.     enabled debug && add_ldflags -debug

  5947.     enable pragma_deprecated

  5948.     if enabled icl; then

  5949.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5950.         # (correctly) on icl 13.x.

  5951.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5952.             add_cflags -Qansi-alias

  5953.         # Some inline asm is not compilable in debug

  5954.         if enabled debug; then

  5955.             disable ebp_available

  5956.             disable ebx_available

  5957.         fi

  5958.     fi

  5959.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5960.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5961.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5962.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5963.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5964.     # MSVC 2013 and newer can handle it fine.

  5965.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5966.     # happens in config.h.

  5967.     if [ $_restrict != restrict ]; then

  5968.         check_cc <<EOF || add_cflags -FIstdlib.h

  5969. __declspec($_restrict) void* foo(int);

  5970. EOF

  5971.     fi

  5972.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5973. fi

  5974. 

  5975. for pfx in "" host_; do

  5976.     varname=${pfx%_}cc_type

  5977.     eval "type=\$$varname"

  5978.     if [ $type = "msvc" ]; then

  5979.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5980. static inline int foo(int a) { return a; }

  5981. EOF

  5982.     fi

  5983. done

  5984. 

  5985. case $as_type in

  5986.     clang)

  5987.         add_asflags -Qunused-arguments

  5988.     ;;

  5989. esac

  5990. 

  5991. case $ld_type in

  5992.     clang)

  5993.         check_ldflags -Qunused-arguments

  5994.     ;;

  5995. esac

  5996. 

  5997. case $target_os in

  5998.     osf1)

  5999.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6000.     ;;

  6001.     plan9)

  6002.         add_cppflags -Dmain=plan9_main

  6003.     ;;

  6004. esac

  6005. 

  6006. enable frame_thread_encoder

  6007. 

  6008. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6009. 

  6010. check_deps $CONFIG_LIST       \

  6011.            $CONFIG_EXTRA      \

  6012.            $HAVE_LIST         \

  6013.            $ALL_COMPONENTS    \

  6014. 

  6015. 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"

  6016. 

  6017. 

  6018. if test $target_os = "haiku"; then

  6019.     disable memalign

  6020.     disable posix_memalign

  6021. fi

  6022. 

  6023. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6024.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6025.     enable dxva2_lib

  6026. 

  6027. ! enabled_any memalign posix_memalign aligned_malloc &&

  6028.     enabled simd_align_16 && enable memalign_hack

  6029. 

  6030. # add_dep lib dep

  6031. # -> enable ${lib}_deps_${dep}

  6032. # -> add $dep to ${lib}_deps only once

  6033. add_dep() {

  6034.     lib=$1

  6035.     dep=$2

  6036.     enabled "${lib}_deps_${dep}" && return 0

  6037.     enable  "${lib}_deps_${dep}"

  6038.     prepend "${lib}_deps" $dep

  6039. }

  6040. 

  6041. # merge deps lib components

  6042. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6043. merge_deps() {

  6044.     lib=$1

  6045.     shift

  6046.     for comp in $*; do

  6047.         enabled $comp || continue

  6048.         eval "dep=\"\$${comp}_deps\""

  6049.         for d in $dep; do

  6050.             add_dep $lib $d

  6051.         done

  6052.     done

  6053. }

  6054. 

  6055. merge_deps libavfilter $FILTER_LIST

  6056. 

  6057. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6058. 

  6059. for thread in $THREADS_LIST; do

  6060.     if enabled $thread; then

  6061.         test -n "$thread_type" &&

  6062.             die "ERROR: Only one thread type must be selected." ||

  6063.             thread_type="$thread"

  6064.     fi

  6065. done

  6066. 

  6067. enabled zlib && add_cppflags -DZLIB_CONST

  6068. 

  6069. # conditional library dependencies, in linking order

  6070. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6071. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6072. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6073. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6074. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6075. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6076. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6077. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6078. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6079. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6080. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6081. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6082. enabled pan_filter          && prepend avfilter_deps "swresample"

  6083. enabled pp_filter           && prepend avfilter_deps "postproc"

  6084. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6085. enabled resample_filter && prepend avfilter_deps "avresample"

  6086. enabled sab_filter          && prepend avfilter_deps "swscale"

  6087. enabled scale_filter    && prepend avfilter_deps "swscale"

  6088. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6089. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6090. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6091. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6092. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6093. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6094. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6095. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6096. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6097. 

  6098. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6099. 

  6100. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6101. 

  6102. expand_deps(){

  6103.     lib_deps=${1}_deps

  6104.     eval "deps=\$$lib_deps"

  6105.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6106.     unique $lib_deps

  6107. }

  6108. 

  6109. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6110. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6111. 

  6112. map 'expand_deps $v' $LIBRARY_LIST

  6113. 

  6114. echo "install prefix            $prefix"

  6115. echo "source path               $source_path"

  6116. echo "C compiler                $cc"

  6117. echo "C library                 $libc_type"

  6118. if test "$host_cc" != "$cc"; then

  6119.     echo "host C compiler           $host_cc"

  6120.     echo "host C library            $host_libc_type"

  6121. fi

  6122. echo "ARCH                      $arch ($cpu)"

  6123. if test "$build_suffix" != ""; then

  6124.     echo "build suffix              $build_suffix"

  6125. fi

  6126. if test "$progs_suffix" != ""; then

  6127.     echo "progs suffix              $progs_suffix"

  6128. fi

  6129. if test "$extra_version" != ""; then

  6130.     echo "version string suffix     $extra_version"

  6131. fi

  6132. echo "big-endian                ${bigendian-no}"

  6133. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6134. if enabled x86; then

  6135.     echo "${yasmexe}                      ${yasm-no}"

  6136.     echo "MMX enabled               ${mmx-no}"

  6137.     echo "MMXEXT enabled            ${mmxext-no}"

  6138.     echo "3DNow! enabled            ${amd3dnow-no}"

  6139.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6140.     echo "SSE enabled               ${sse-no}"

  6141.     echo "SSSE3 enabled             ${ssse3-no}"

  6142.     echo "AESNI enabled             ${aesni-no}"

  6143.     echo "AVX enabled               ${avx-no}"

  6144.     echo "XOP enabled               ${xop-no}"

  6145.     echo "FMA3 enabled              ${fma3-no}"

  6146.     echo "FMA4 enabled              ${fma4-no}"

  6147.     echo "i686 features enabled     ${i686-no}"

  6148.     echo "CMOV is fast              ${fast_cmov-no}"

  6149.     echo "EBX available             ${ebx_available-no}"

  6150.     echo "EBP available             ${ebp_available-no}"

  6151. fi

  6152. if enabled aarch64; then

  6153.     echo "NEON enabled              ${neon-no}"

  6154.     echo "VFP enabled               ${vfp-no}"

  6155. fi

  6156. if enabled arm; then

  6157.     echo "ARMv5TE enabled           ${armv5te-no}"

  6158.     echo "ARMv6 enabled             ${armv6-no}"

  6159.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6160.     echo "VFP enabled               ${vfp-no}"

  6161.     echo "NEON enabled              ${neon-no}"

  6162.     echo "THUMB enabled             ${thumb-no}"

  6163. fi

  6164. if enabled mips; then

  6165.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6166.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6167.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6168.     echo "MIPS MSA enabled          ${msa-no}"

  6169.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6170. fi

  6171. if enabled ppc; then

  6172.     echo "AltiVec enabled           ${altivec-no}"

  6173.     echo "VSX enabled               ${vsx-no}"

  6174.     echo "POWER8 enabled            ${power8-no}"

  6175.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6176.     echo "dcbzl available           ${dcbzl-no}"

  6177. fi

  6178. echo "debug symbols             ${debug-no}"

  6179. echo "strip symbols             ${stripping-no}"

  6180. echo "optimize for size         ${small-no}"

  6181. echo "optimizations             ${optimizations-no}"

  6182. echo "static                    ${static-no}"

  6183. echo "shared                    ${shared-no}"

  6184. echo "postprocessing support    ${postproc-no}"

  6185. echo "new filter support        ${avfilter-no}"

  6186. echo "network support           ${network-no}"

  6187. echo "threading support         ${thread_type-no}"

  6188. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6189. echo "SDL support               ${sdl-no}"

  6190. echo "opencl enabled            ${opencl-no}"

  6191. echo "texi2html enabled         ${texi2html-no}"

  6192. echo "perl enabled              ${perl-no}"

  6193. echo "pod2man enabled           ${pod2man-no}"

  6194. echo "makeinfo enabled          ${makeinfo-no}"

  6195. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6196. test -n "$random_seed" &&

  6197.     echo "random seed               ${random_seed}"

  6198. echo

  6199. 

  6200. echo "Enabled programs:"

  6201. print_enabled '' $PROGRAM_LIST | print_in_columns

  6202. echo

  6203. 

  6204. echo "External libraries:"

  6205. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6206. echo

  6207. 

  6208. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6209.     echo "Enabled ${type}s:"

  6210.     eval list=\$$(toupper $type)_LIST

  6211.     print_enabled '_*' $list | print_in_columns

  6212.     echo

  6213. done

  6214. 

  6215. license="LGPL version 2.1 or later"

  6216. if enabled nonfree; then

  6217.     license="nonfree and unredistributable"

  6218. elif enabled gplv3; then

  6219.     license="GPL version 3 or later"

  6220. elif enabled lgplv3; then

  6221.     license="LGPL version 3 or later"

  6222. elif enabled gpl; then

  6223.     license="GPL version 2 or later"

  6224. fi

  6225. 

  6226. echo "License: $license"

  6227. 

  6228. echo "Creating config.mak, config.h, and doc/config.texi..."

  6229. 

  6230. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6231. 

  6232. enabled stripping || strip="echo skipping strip"

  6233. 

  6234. config_files="$TMPH config.mak doc/config.texi"

  6235. 

  6236. if enabled msvc; then

  6237.     dst_path=$(pwd -W)

  6238. else

  6239.     dst_path=$(pwd)

  6240. fi

  6241. 

  6242. cat > config.mak <<EOF

  6243. # Automatically generated by configure - do not modify!

  6244. ifndef FFMPEG_CONFIG_MAK

  6245. FFMPEG_CONFIG_MAK=1

  6246. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6247. prefix=$prefix

  6248. LIBDIR=\$(DESTDIR)$libdir

  6249. SHLIBDIR=\$(DESTDIR)$shlibdir

  6250. INCDIR=\$(DESTDIR)$incdir

  6251. BINDIR=\$(DESTDIR)$bindir

  6252. DATADIR=\$(DESTDIR)$datadir

  6253. DOCDIR=\$(DESTDIR)$docdir

  6254. MANDIR=\$(DESTDIR)$mandir

  6255. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6256. SRC_PATH=$source_path

  6257. ifndef MAIN_MAKEFILE

  6258. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6259. endif

  6260. DST_PATH=$dst_path

  6261. CC_IDENT=$cc_ident

  6262. ARCH=$arch

  6263. INTRINSICS=$intrinsics

  6264. CC=$cc

  6265. CXX=$cxx

  6266. AS=$as

  6267. OBJCC=$objcc

  6268. LD=$ld

  6269. DEPCC=$dep_cc

  6270. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6271. DEPAS=$as

  6272. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6273. YASM=$yasmexe

  6274. DEPYASM=$yasmexe

  6275. AR=$ar

  6276. ARFLAGS=$arflags

  6277. AR_O=$ar_o

  6278. RANLIB=$ranlib

  6279. STRIP=$strip

  6280. CP=cp -p

  6281. LN_S=$ln_s

  6282. CPPFLAGS=$CPPFLAGS

  6283. CFLAGS=$CFLAGS

  6284. CXXFLAGS=$CXXFLAGS

  6285. OBJCFLAGS=$OBJCFLAGS

  6286. ASFLAGS=$ASFLAGS

  6287. AS_C=$AS_C

  6288. AS_O=$AS_O

  6289. OBJCC_C=$OBJCC_C

  6290. OBJCC_E=$OBJCC_E

  6291. OBJCC_O=$OBJCC_O

  6292. CC_C=$CC_C

  6293. CC_E=$CC_E

  6294. CC_O=$CC_O

  6295. CXX_C=$CXX_C

  6296. CXX_O=$CXX_O

  6297. LD_O=$LD_O

  6298. LD_LIB=$LD_LIB

  6299. LD_PATH=$LD_PATH

  6300. DLLTOOL=$dlltool

  6301. WINDRES=$windres

  6302. DEPWINDRES=$dep_cc

  6303. DOXYGEN=$doxygen

  6304. LDFLAGS=$LDFLAGS

  6305. LDEXEFLAGS=$LDEXEFLAGS

  6306. LDLIBFLAGS=$LDLIBFLAGS

  6307. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6308. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6309. YASMFLAGS=$YASMFLAGS

  6310. BUILDSUF=$build_suffix

  6311. PROGSSUF=$progs_suffix

  6312. FULLNAME=$FULLNAME

  6313. LIBPREF=$LIBPREF

  6314. LIBSUF=$LIBSUF

  6315. LIBNAME=$LIBNAME

  6316. SLIBPREF=$SLIBPREF

  6317. SLIBSUF=$SLIBSUF

  6318. EXESUF=$EXESUF

  6319. EXTRA_VERSION=$extra_version

  6320. CCDEP=$CCDEP

  6321. CXXDEP=$CXXDEP

  6322. CCDEP_FLAGS=$CCDEP_FLAGS

  6323. ASDEP=$ASDEP

  6324. ASDEP_FLAGS=$ASDEP_FLAGS

  6325. CC_DEPFLAGS=$CC_DEPFLAGS

  6326. AS_DEPFLAGS=$AS_DEPFLAGS

  6327. HOSTCC=$host_cc

  6328. HOSTLD=$host_ld

  6329. HOSTCFLAGS=$host_cflags

  6330. HOSTCPPFLAGS=$host_cppflags

  6331. HOSTEXESUF=$HOSTEXESUF

  6332. HOSTLDFLAGS=$host_ldflags

  6333. HOSTLIBS=$host_libs

  6334. DEPHOSTCC=$host_cc

  6335. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6336. HOSTCCDEP=$HOSTCCDEP

  6337. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6338. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6339. HOSTCC_C=$HOSTCC_C

  6340. HOSTCC_O=$HOSTCC_O

  6341. HOSTLD_O=$HOSTLD_O

  6342. TARGET_EXEC=$target_exec $target_exec_args

  6343. TARGET_PATH=$target_path

  6344. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6345. CFLAGS-ffplay=$sdl_cflags

  6346. ZLIB=$($ldflags_filter -lz)

  6347. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6348. EXTRALIBS=$extralibs

  6349. COMPAT_OBJS=$compat_objs

  6350. EXEOBJS=$exeobjs

  6351. INSTALL=$install

  6352. LIBTARGET=${LIBTARGET}

  6353. SLIBNAME=${SLIBNAME}

  6354. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6355. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6356. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6357. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6358. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6359. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6360. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6361. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6362. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6363. NOREDZONE_FLAGS=$noredzone_flags

  6364. EOF

  6365. 

  6366. get_version(){

  6367.     lcname=lib${1}

  6368.     name=$(toupper $lcname)

  6369.     file=$source_path/$lcname/version.h

  6370.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6371.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6372.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6373.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6374.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6375.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6376. }

  6377. 

  6378. map 'get_version $v' $LIBRARY_LIST

  6379. 

  6380. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6381. 

  6382. print_program_libs(){

  6383.     eval "program_libs=\$${1}_libs"

  6384.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6385. }

  6386. 

  6387. map 'print_program_libs $v' $PROGRAM_LIST

  6388. 

  6389. cat > $TMPH <<EOF

  6390. /* Automatically generated by configure - do not modify! */

  6391. #ifndef FFMPEG_CONFIG_H

  6392. #define FFMPEG_CONFIG_H

  6393. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6394. #define FFMPEG_LICENSE "$(c_escape $license)"

  6395. #define CONFIG_THIS_YEAR 2016

  6396. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6397. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6398. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6399. #define av_restrict $_restrict

  6400. #define EXTERN_PREFIX "${extern_prefix}"

  6401. #define EXTERN_ASM ${extern_prefix}

  6402. #define BUILDSUF "$build_suffix"

  6403. #define SLIBSUF "$SLIBSUF"

  6404. #define HAVE_MMX2 HAVE_MMXEXT

  6405. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6406. EOF

  6407. 

  6408. test -n "$assert_level" &&

  6409.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6410. 

  6411. test -n "$malloc_prefix" &&

  6412.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6413. 

  6414. if enabled yasm; then

  6415.     append config_files $TMPASM

  6416.     printf '' >$TMPASM

  6417. fi

  6418. 

  6419. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6420. 

  6421. 

  6422. mkdir -p doc

  6423. mkdir -p tests

  6424. mkdir -p tests/api

  6425. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6426. 

  6427. print_config ARCH_   "$config_files" $ARCH_LIST

  6428. print_config HAVE_   "$config_files" $HAVE_LIST

  6429. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6430.                                      $CONFIG_EXTRA      \

  6431.                                      $ALL_COMPONENTS    \

  6432. 

  6433. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6434. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6435. 

  6436. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6437. cp_if_changed $TMPH config.h

  6438. touch .config

  6439. 

  6440. enabled yasm && cp_if_changed $TMPASM config.asm

  6441. 

  6442. cat > $TMPH <<EOF

  6443. /* Generated by ffconf */

  6444. #ifndef AVUTIL_AVCONFIG_H

  6445. #define AVUTIL_AVCONFIG_H

  6446. EOF

  6447. 

  6448. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6449. 

  6450. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6451. 

  6452. cp_if_changed $TMPH libavutil/avconfig.h

  6453. 

  6454. if test -n "$WARNINGS"; then

  6455.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6456.     enabled fatal_warnings && exit 1

  6457. fi

  6458. 

  6459. # build pkg-config files

  6460. 

  6461. lib_version(){

  6462.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6463. }

  6464. 

  6465. pkgconfig_generate(){

  6466.     name=$1

  6467.     shortname=${name#lib}${build_suffix}

  6468.     comment=$2

  6469.     version=$3

  6470.     libs=$4

  6471.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6472.     requires=${requires%, }

  6473.     enabled ${name#lib} || return 0

  6474.     mkdir -p $name

  6475.     cat <<EOF > $name/$name${build_suffix}.pc

  6476. prefix=$prefix

  6477. exec_prefix=\${prefix}

  6478. libdir=$libdir

  6479. includedir=$incdir

  6480. 

  6481. Name: $name

  6482. Description: $comment

  6483. Version: $version

  6484. Requires: $(enabled shared || echo $requires)

  6485. Requires.private: $(enabled shared && echo $requires)

  6486. Conflicts:

  6487. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6488. Libs.private: $(enabled shared && echo $libs)

  6489. Cflags: -I\${includedir}

  6490. EOF

  6491. 

  6492. mkdir -p doc/examples/pc-uninstalled

  6493. includedir=${source_path}

  6494. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6495.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6496. prefix=

  6497. exec_prefix=

  6498. libdir=\${pcfiledir}/../../../$name

  6499. includedir=${includedir}

  6500. 

  6501. Name: $name

  6502. Description: $comment

  6503. Version: $version

  6504. Requires: $requires

  6505. Conflicts:

  6506. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6507. Cflags: -I\${includedir}

  6508. EOF

  6509. }

  6510. 

  6511. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6512. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6513. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6514. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6515. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6516. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6517. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6518. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6519. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"