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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  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-cuda            enable dynamically linked CUDA [no]

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

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

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

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

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

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

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

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

  208.                            if openssl is not used [no]

  209.   --disable-iconv          disable iconv [autodetect]

  210.   --enable-ladspa          enable LADSPA audio filtering [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-librtmp         enable RTMP[E] support via librtmp [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  260.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  276.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

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

  282.   --enable-opencl          enable OpenCL code

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

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

  285.                            if gnutls is not used [no]

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

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

  288.   --disable-sdl            disable sdl [autodetect]

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

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

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

  292.   --disable-xlib           disable xlib [autodetect]

  293.   --disable-zlib           disable zlib [autodetect]

  294. 

  295. Toolchain options:

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

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

  298.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  345. 

  346. Advanced options (experts only):

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

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

  349.   --disable-symver         disable symbol versioning

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

  351.   --disable-safe-bitstream-reader

  352.                            disable buffer boundary checking in bitreaders

  353.                            (faster, but may crash)

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

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

  356. 

  357. Optimization options (experts only):

  358.   --disable-asm            disable all assembly optimizations

  359.   --disable-altivec        disable AltiVec optimizations

  360.   --disable-vsx            disable VSX optimizations

  361.   --disable-power8         disable POWER8 optimizations

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

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

  364.   --disable-mmx            disable MMX optimizations

  365.   --disable-mmxext         disable MMXEXT optimizations

  366.   --disable-sse            disable SSE optimizations

  367.   --disable-sse2           disable SSE2 optimizations

  368.   --disable-sse3           disable SSE3 optimizations

  369.   --disable-ssse3          disable SSSE3 optimizations

  370.   --disable-sse4           disable SSE4 optimizations

  371.   --disable-sse42          disable SSE4.2 optimizations

  372.   --disable-avx            disable AVX optimizations

  373.   --disable-xop            disable XOP optimizations

  374.   --disable-fma3           disable FMA3 optimizations

  375.   --disable-fma4           disable FMA4 optimizations

  376.   --disable-avx2           disable AVX2 optimizations

  377.   --disable-aesni          disable AESNI optimizations

  378.   --disable-armv5te        disable armv5te optimizations

  379.   --disable-armv6          disable armv6 optimizations

  380.   --disable-armv6t2        disable armv6t2 optimizations

  381.   --disable-vfp            disable VFP optimizations

  382.   --disable-neon           disable NEON optimizations

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

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

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

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

  387.   --disable-msa            disable MSA optimizations

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

  389.   --disable-mmi            disable Loongson SIMD optimizations

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

  391. 

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

  393.   --disable-debug          disable debugging symbols

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

  395.   --disable-optimizations  disable compiler optimizations

  396.   --enable-extra-warnings  enable more compiler warnings

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

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

  399.                            2 causes a slowdown at runtime.

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

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

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

  403.                            Cannot be combined with --target-exec

  404.   --enable-ftrapv          Trap arithmetic overflows

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

  406.                            \$FATE_SAMPLES at make invocation time.

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

  408.                            used only for debugging purposes)

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

  410.                            should be used only for debugging purposes)

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

  412.   --disable-random

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

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

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

  416.                            (group) and PROB the probability associated with

  417.                            NAME (default 0.5).

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

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

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

  421. 

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

  423. EOF

  424.   exit 0

  425. }

  426. 

  427. quotes='""'

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

  429.     ncolors=$(tput colors)

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

  431.         bold_color=$(tput bold)

  432.         warn_color=$(tput setaf 3)

  433.         error_color=$(tput setaf 1)

  434.         reset_color=$(tput sgr0)

  435.     fi

  436.     # 72 used instead of 80 since that's the default of pr

  437.     ncols=$(tput cols)

  438. fi

  439. : ${ncols:=72}

  440. 

  441. log(){

  442.     echo "$@" >> $logfile

  443. }

  444. 

  445. log_file(){

  446.     log BEGIN $1

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

  448.     log END $1

  449. }

  450. 

  451. warn(){

  452.     log "WARNING: $*"

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

  454. }

  455. 

  456. die(){

  457.     log "$@"

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

  459.     cat <<EOF

  460. 

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

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

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

  464. EOF

  465.     if disabled logging; then

  466.         cat <<EOF

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

  468. include the log this produces with your report.

  469. EOF

  470.     else

  471.         cat <<EOF

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

  473. solve the problem.

  474. EOF

  475.     fi

  476.     exit 1

  477. }

  478. 

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

  480. toupper(){

  481.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  482. }

  483. 

  484. tolower(){

  485.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  486. }

  487. 

  488. c_escape(){

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

  490. }

  491. 

  492. sh_quote(){

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

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

  495.     echo "$v"

  496. }

  497. 

  498. cleanws(){

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

  500. }

  501. 

  502. filter(){

  503.     pat=$1

  504.     shift

  505.     for v; do

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

  507.     done

  508. }

  509. 

  510. filter_out(){

  511.     pat=$1

  512.     shift

  513.     for v; do

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

  515.     done

  516. }

  517. 

  518. map(){

  519.     m=$1

  520.     shift

  521.     for v; do eval $m; done

  522. }

  523. 

  524. add_suffix(){

  525.     suffix=$1

  526.     shift

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

  528. }

  529. 

  530. set_all(){

  531.     value=$1

  532.     shift

  533.     for var in $*; do

  534.         eval $var=$value

  535.     done

  536. }

  537. 

  538. set_weak(){

  539.     value=$1

  540.     shift

  541.     for var; do

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

  543.     done

  544. }

  545. 

  546. sanitize_var_name(){

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

  548. }

  549. 

  550. set_safe(){

  551.     var=$1

  552.     shift

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

  554. }

  555. 

  556. get_safe(){

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

  558. }

  559. 

  560. pushvar(){

  561.     for pvar in $*; do

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

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

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

  565.     done

  566. }

  567. 

  568. popvar(){

  569.     for pvar in $*; do

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

  571.         test $level = 0 && continue

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

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

  574.         eval ${pvar}_level=$level

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

  576.     done

  577. }

  578. 

  579. enable(){

  580.     set_all yes $*

  581. }

  582. 

  583. disable(){

  584.     set_all no $*

  585. }

  586. 

  587. enable_weak(){

  588.     set_weak yes $*

  589. }

  590. 

  591. disable_weak(){

  592.     set_weak no $*

  593. }

  594. 

  595. enable_safe(){

  596.     for var; do

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

  598.     done

  599. }

  600. 

  601. disable_safe(){

  602.     for var; do

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

  604.     done

  605. }

  606. 

  607. do_enable_deep(){

  608.     for var; do

  609.         enabled $var && continue

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

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

  612.         pushvar var sgs

  613.         enable_deep $sel

  614.         popvar sgs

  615.         enable_deep_weak $sgs

  616.         popvar var

  617.     done

  618. }

  619. 

  620. enable_deep(){

  621.     do_enable_deep $*

  622.     enable $*

  623. }

  624. 

  625. enable_deep_weak(){

  626.     for var; do

  627.         disabled $var && continue

  628.         pushvar var

  629.         do_enable_deep $var

  630.         popvar var

  631.         enable_weak $var

  632.     done

  633. }

  634. 

  635. enabled(){

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

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

  638. }

  639. 

  640. disabled(){

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

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

  643. }

  644. 

  645. enabled_all(){

  646.     for opt; do

  647.         enabled $opt || return 1

  648.     done

  649. }

  650. 

  651. disabled_all(){

  652.     for opt; do

  653.         disabled $opt || return 1

  654.     done

  655. }

  656. 

  657. enabled_any(){

  658.     for opt; do

  659.         enabled $opt && return 0

  660.     done

  661. }

  662. 

  663. disabled_any(){

  664.     for opt; do

  665.         disabled $opt && return 0

  666.     done

  667.     return 1

  668. }

  669. 

  670. set_default(){

  671.     for opt; do

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

  673.     done

  674. }

  675. 

  676. is_in(){

  677.     value=$1

  678.     shift

  679.     for var in $*; do

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

  681.     done

  682.     return 1

  683. }

  684. 

  685. do_check_deps(){

  686.     for cfg; do

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

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

  689.         disabled ${cfg}_checking && continue

  690.         enable ${cfg}_checking

  691.         append allopts $cfg

  692. 

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

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

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

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

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

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

  699. 

  700.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  702.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  703. 

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

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

  706.         enabled_all  $dep_all || disable $cfg

  707.         enabled_any  $dep_any || disable $cfg

  708.         disabled_any $dep_sel && disable $cfg

  709. 

  710.         if enabled $cfg; then

  711.             enable_deep $dep_sel

  712.             enable_deep_weak $dep_sgs

  713.         fi

  714. 

  715.         disable ${cfg}_checking

  716.     done

  717. }

  718. 

  719. check_deps(){

  720.     unset allopts

  721. 

  722.     do_check_deps "$@"

  723. 

  724.     for cfg in $allopts; do

  725.         enabled $cfg || continue

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

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

  728.     done

  729. }

  730. 

  731. print_config(){

  732.     pfx=$1

  733.     files=$2

  734.     shift 2

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

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

  737.         {

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

  739.             v = \$2;

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

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

  742.             for (f in files) {

  743.                 file = files[f];

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

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

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

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

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

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

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

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

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

  753.                     yesno = \$2;

  754.                     c2 = tolower(c);

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

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

  757.                 }

  758.             }

  759.         }"

  760. }

  761. 

  762. print_enabled(){

  763.     suf=$1

  764.     shift

  765.     for v; do

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

  767.     done

  768. }

  769. 

  770. append(){

  771.     var=$1

  772.     shift

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

  774. }

  775. 

  776. prepend(){

  777.     var=$1

  778.     shift

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

  780. }

  781. 

  782. unique(){

  783.     var=$1

  784.     uniq_list=""

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

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

  787.     done

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

  789. }

  790. 

  791. add_cppflags(){

  792.     append CPPFLAGS "$@"

  793. }

  794. 

  795. add_cflags(){

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

  797. }

  798. 

  799. add_cxxflags(){

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

  801. }

  802. 

  803. add_asflags(){

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

  805. }

  806. 

  807. add_objcflags(){

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

  809. }

  810. 

  811. add_ldflags(){

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

  813. }

  814. 

  815. add_ldexeflags(){

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

  817. }

  818. 

  819. add_ldlibflags(){

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

  821. }

  822. 

  823. add_stripflags(){

  824.     append ASMSTRIPFLAGS "$@"

  825. }

  826. 

  827. add_extralibs(){

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

  829. }

  830. 

  831. add_host_cppflags(){

  832.     append host_cppflags "$@"

  833. }

  834. 

  835. add_host_cflags(){

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

  837. }

  838. 

  839. add_host_ldflags(){

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

  841. }

  842. 

  843. add_compat(){

  844.     append compat_objs $1

  845.     shift

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

  847. }

  848. 

  849. check_cmd(){

  850.     log "$@"

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

  852. }

  853. 

  854. check_stat(){

  855.     log check_stat "$@"

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

  857. }

  858. 

  859. cc_o(){

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

  861. }

  862. 

  863. cc_e(){

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

  865. }

  866. 

  867. check_cc(){

  868.     log check_cc "$@"

  869.     cat > $TMPC

  870.     log_file $TMPC

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

  872. }

  873. 

  874. check_cxx(){

  875.     log check_cxx "$@"

  876.     cat > $TMPCPP

  877.     log_file $TMPCPP

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

  879. }

  880. 

  881. check_objcc(){

  882.     log check_objcc "$@"

  883.     cat > $TMPM

  884.     log_file $TMPM

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

  886. }

  887. 

  888. check_cpp(){

  889.     log check_cpp "$@"

  890.     cat > $TMPC

  891.     log_file $TMPC

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

  893. }

  894. 

  895. as_o(){

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

  897. }

  898. 

  899. check_as(){

  900.     log check_as "$@"

  901.     cat > $TMPS

  902.     log_file $TMPS

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

  904. }

  905. 

  906. check_inline_asm(){

  907.     log check_inline_asm "$@"

  908.     name="$1"

  909.     code="$2"

  910.     shift 2

  911.     disable $name

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

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

  914. EOF

  915. }

  916. 

  917. check_insn(){

  918.     log check_insn "$@"

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

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

  921. }

  922. 

  923. check_yasm(){

  924.     log check_yasm "$@"

  925.     echo "$1" > $TMPS

  926.     log_file $TMPS

  927.     shift 1

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

  929. }

  930. 

  931. ld_o(){

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

  933. }

  934. 

  935. check_ld(){

  936.     log check_ld "$@"

  937.     type=$1

  938.     shift 1

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

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

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

  942.     flags=$($ldflags_filter $flags)

  943.     libs=$($ldflags_filter $libs)

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

  945. }

  946. 

  947. print_include(){

  948.     hdr=$1

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

  950.         echo "#include $hdr"    ||

  951.         echo "#include <$hdr>"

  952. }

  953. 

  954. check_code(){

  955.     log check_code "$@"

  956.     check=$1

  957.     headers=$2

  958.     code=$3

  959.     shift 3

  960.     {

  961.         for hdr in $headers; do

  962.             print_include $hdr

  963.         done

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

  965.     } | check_$check "$@"

  966. }

  967. 

  968. check_cppflags(){

  969.     log check_cppflags "$@"

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

  971. int x;

  972. EOF

  973. }

  974. 

  975. test_cflags(){

  976.     log test_cflags "$@"

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

  978.     check_cc "$@" <<EOF

  979. int x;

  980. EOF

  981. }

  982. 

  983. check_cflags(){

  984.     log check_cflags "$@"

  985.     test_cflags "$@" && add_cflags "$@"

  986. }

  987. 

  988. check_cxxflags(){

  989.     log check_cxxflags "$@"

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

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

  992. int x;

  993. EOF

  994. }

  995. 

  996. test_objcflags(){

  997.     log test_cflags "$@"

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

  999.     check_objcc "$@" <<EOF

  1000. int x;

  1001. EOF

  1002. }

  1003. 

  1004. check_objcflags(){

  1005.     log check_cflags "$@"

  1006.     test_objcflags "$@" && add_objcflags "$@"

  1007. }

  1008. 

  1009. test_ldflags(){

  1010.     log test_ldflags "$@"

  1011.     check_ld "cc" "$@" <<EOF

  1012. int main(void){ return 0; }

  1013. EOF

  1014. }

  1015. 

  1016. check_ldflags(){

  1017.     log check_ldflags "$@"

  1018.     test_ldflags "$@" && add_ldflags "$@"

  1019. }

  1020. 

  1021. test_stripflags(){

  1022.     log test_stripflags "$@"

  1023.     # call check_cc to get a fresh TMPO

  1024.     check_cc <<EOF

  1025. int main(void) { return 0; }

  1026. EOF

  1027.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1028. }

  1029. 

  1030. check_stripflags(){

  1031.     log check_stripflags "$@"

  1032.     test_stripflags "$@" && add_stripflags "$@"

  1033. }

  1034. 

  1035. check_header(){

  1036.     log check_header "$@"

  1037.     header=$1

  1038.     shift

  1039.     disable_safe $header

  1040.     check_cpp "$@" <<EOF && enable_safe $header

  1041. #include <$header>

  1042. int x;

  1043. EOF

  1044. }

  1045. 

  1046. check_header_objcc(){

  1047.     log check_header_objcc "$@"

  1048.     rm -f -- "$TMPO"

  1049.     header=$1

  1050.     shift

  1051.     disable_safe $header

  1052.     {

  1053.        echo "#include <$header>"

  1054.        echo "int main(void) { return 0; }"

  1055.     } | check_objcc && check_stat "$TMPO" && enable_safe $headers

  1056. }

  1057. 

  1058. check_func(){

  1059.     log check_func "$@"

  1060.     func=$1

  1061.     shift

  1062.     disable $func

  1063.     check_ld "cc" "$@" <<EOF && enable $func

  1064. extern int $func();

  1065. int main(void){ $func(); }

  1066. EOF

  1067. }

  1068. 

  1069. check_complexfunc(){

  1070.     log check_complexfunc "$@"

  1071.     func=$1

  1072.     narg=$2

  1073.     shift 2

  1074.     test $narg = 2 && args="f, g" || args="f * I"

  1075.     disable $func

  1076.     check_ld "cc" "$@" <<EOF && enable $func

  1077. #include <complex.h>

  1078. #include <math.h>

  1079. float foo(complex float f, complex float g) { return $func($args); }

  1080. int main(void){ return (int) foo; }

  1081. EOF

  1082. }

  1083. 

  1084. check_mathfunc(){

  1085.     log check_mathfunc "$@"

  1086.     func=$1

  1087.     narg=$2

  1088.     shift 2

  1089.     test $narg = 2 && args="f, g" || args="f"

  1090.     disable $func

  1091.     check_ld "cc" "$@" <<EOF && enable $func

  1092. #include <math.h>

  1093. float foo(float f, float g) { return $func($args); }

  1094. int main(void){ return (int) foo; }

  1095. EOF

  1096. }

  1097. 

  1098. check_func_headers(){

  1099.     log check_func_headers "$@"

  1100.     headers=$1

  1101.     funcs=$2

  1102.     shift 2

  1103.     {

  1104.         for hdr in $headers; do

  1105.             print_include $hdr

  1106.         done

  1107.         for func in $funcs; do

  1108.             echo "long check_$func(void) { return (long) $func; }"

  1109.         done

  1110.         echo "int main(void) { return 0; }"

  1111.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1112. }

  1113. 

  1114. check_class_headers_cpp(){

  1115.     log check_class_headers_cpp "$@"

  1116.     headers=$1

  1117.     classes=$2

  1118.     shift 2

  1119.     {

  1120.         for hdr in $headers; do

  1121.             echo "#include <$hdr>"

  1122.         done

  1123.         echo "int main(void) { "

  1124.         i=1

  1125.         for class in $classes; do

  1126.             echo "$class obj$i;"

  1127.             i=$(expr $i + 1)

  1128.         done

  1129.         echo "return 0; }"

  1130.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1131. }

  1132. 

  1133. check_cpp_condition(){

  1134.     log check_cpp_condition "$@"

  1135.     header=$1

  1136.     condition=$2

  1137.     shift 2

  1138.     check_cpp "$@" <<EOF

  1139. #include <$header>

  1140. #if !($condition)

  1141. #error "unsatisfied condition: $condition"

  1142. #endif

  1143. EOF

  1144. }

  1145. 

  1146. check_lib(){

  1147.     log check_lib "$@"

  1148.     header="$1"

  1149.     func="$2"

  1150.     shift 2

  1151.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1152. }

  1153. 

  1154. check_lib2(){

  1155.     log check_lib2 "$@"

  1156.     headers="$1"

  1157.     funcs="$2"

  1158.     shift 2

  1159.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1160. }

  1161. 

  1162. check_lib_cpp(){

  1163.     log check_lib_cpp "$@"

  1164.     headers="$1"

  1165.     classes="$2"

  1166.     shift 2

  1167.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1168. }

  1169. 

  1170. check_pkg_config(){

  1171.     log check_pkg_config "$@"

  1172.     pkgandversion="$1"

  1173.     pkg="${1%% *}"

  1174.     headers="$2"

  1175.     funcs="$3"

  1176.     shift 3

  1177.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1178.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1179.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1180.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1181.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1182.         set_safe "${pkg}_libs"   $pkg_libs

  1183. }

  1184. 

  1185. check_exec(){

  1186.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1187. }

  1188. 

  1189. check_exec_crash(){

  1190.     code=$(cat)

  1191. 

  1192.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1193.     # are safe but may not be available everywhere.  Thus we use

  1194.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1195.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1196.     # is not defined by standard C so it is used conditionally.

  1197. 

  1198.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1199. #include <signal.h>

  1200. static void sighandler(int sig){

  1201.     raise(SIGTERM);

  1202. }

  1203. int foo(void){

  1204.     $code

  1205. }

  1206. int (*func_ptr)(void) = foo;

  1207. int main(void){

  1208.     signal(SIGILL, sighandler);

  1209.     signal(SIGFPE, sighandler);

  1210.     signal(SIGSEGV, sighandler);

  1211. #ifdef SIGBUS

  1212.     signal(SIGBUS, sighandler);

  1213. #endif

  1214.     return func_ptr();

  1215. }

  1216. EOF

  1217. }

  1218. 

  1219. check_type(){

  1220.     log check_type "$@"

  1221.     headers=$1

  1222.     type=$2

  1223.     shift 2

  1224.     disable_safe "$type"

  1225.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1226. }

  1227. 

  1228. check_struct(){

  1229.     log check_struct "$@"

  1230.     headers=$1

  1231.     struct=$2

  1232.     member=$3

  1233.     shift 3

  1234.     disable_safe "${struct}_${member}"

  1235.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

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

  1237. }

  1238. 

  1239. check_builtin(){

  1240.     log check_builtin "$@"

  1241.     name=$1

  1242.     headers=$2

  1243.     builtin=$3

  1244.     shift 3

  1245.     disable "$name"

  1246.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1247. }

  1248. 

  1249. check_compile_assert(){

  1250.     log check_compile_assert "$@"

  1251.     name=$1

  1252.     headers=$2

  1253.     condition=$3

  1254.     shift 3

  1255.     disable "$name"

  1256.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1257. }

  1258. 

  1259. require(){

  1260.     name="$1"

  1261.     header="$2"

  1262.     func="$3"

  1263.     shift 3

  1264.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1265. }

  1266. 

  1267. require2(){

  1268.     name="$1"

  1269.     headers="$2"

  1270.     func="$3"

  1271.     shift 3

  1272.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1273. }

  1274. 

  1275. require_cpp(){

  1276.     name="$1"

  1277.     headers="$2"

  1278.     classes="$3"

  1279.     shift 3

  1280.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1281. }

  1282. 

  1283. use_pkg_config(){

  1284.     pkg="$1"

  1285.     check_pkg_config "$@" || return 1

  1286.     add_cflags    $(get_safe "${pkg}_cflags")

  1287.     add_extralibs $(get_safe "${pkg}_libs")

  1288. }

  1289. 

  1290. require_pkg_config(){

  1291.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1292. }

  1293. 

  1294. require_libfreetype(){

  1295.     log require_libfreetype "$@"

  1296.     pkg="freetype2"

  1297.     check_cmd $pkg_config --exists --print-errors $pkg \

  1298.       || die "ERROR: $pkg not found"

  1299.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1300.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1301.     {

  1302.         echo "#include <ft2build.h>"

  1303.         echo "#include FT_FREETYPE_H"

  1304.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1305.         echo "int main(void) { return 0; }"

  1306.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1307.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1308.       && set_safe "${pkg}_libs"   $pkg_libs \

  1309.       || die "ERROR: $pkg not found"

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

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

  1312. }

  1313. 

  1314. hostcc_e(){

  1315.     eval printf '%s\\n' $HOSTCC_E

  1316. }

  1317. 

  1318. hostcc_o(){

  1319.     eval printf '%s\\n' $HOSTCC_O

  1320. }

  1321. 

  1322. check_host_cc(){

  1323.     log check_host_cc "$@"

  1324.     cat > $TMPC

  1325.     log_file $TMPC

  1326.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1327. }

  1328. 

  1329. check_host_cpp(){

  1330.     log check_host_cpp "$@"

  1331.     cat > $TMPC

  1332.     log_file $TMPC

  1333.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1334. }

  1335. 

  1336. check_host_cppflags(){

  1337.     log check_host_cppflags "$@"

  1338.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1339. int x;

  1340. EOF

  1341. }

  1342. 

  1343. check_host_cflags(){

  1344.     log check_host_cflags "$@"

  1345.     set -- $($host_cflags_filter "$@")

  1346.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1347. int x;

  1348. EOF

  1349. }

  1350. 

  1351. check_host_cpp_condition(){

  1352.     log check_host_cpp_condition "$@"

  1353.     header=$1

  1354.     condition=$2

  1355.     shift 2

  1356.     check_host_cpp "$@" <<EOF

  1357. #include <$header>

  1358. #if !($condition)

  1359. #error "unsatisfied condition: $condition"

  1360. #endif

  1361. EOF

  1362. }

  1363. 

  1364. cp_if_changed(){

  1365.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1366.     mkdir -p "$(dirname $2)"

  1367.     $cp_f "$1" "$2"

  1368. }

  1369. 

  1370. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1371. # system-dependent things.

  1372. 

  1373. AVCODEC_COMPONENTS="

  1374.     bsfs

  1375.     decoders

  1376.     encoders

  1377.     hwaccels

  1378.     parsers

  1379. "

  1380. 

  1381. AVDEVICE_COMPONENTS="

  1382.     indevs

  1383.     outdevs

  1384. "

  1385. AVFILTER_COMPONENTS="

  1386.     filters

  1387. "

  1388. AVFORMAT_COMPONENTS="

  1389.     demuxers

  1390.     muxers

  1391.     protocols

  1392. "

  1393. 

  1394. AVRESAMPLE_COMPONENTS=""

  1395. AVUTIL_COMPONENTS=""

  1396. 

  1397. COMPONENT_LIST="

  1398.     $AVCODEC_COMPONENTS

  1399.     $AVDEVICE_COMPONENTS

  1400.     $AVFILTER_COMPONENTS

  1401.     $AVFORMAT_COMPONENTS

  1402.     $AVRESAMPLE_COMPONENTS

  1403.     $AVUTIL_COMPONENTS

  1404. "

  1405. 

  1406. EXAMPLE_LIST="

  1407.     avio_reading_example

  1408.     avio_dir_cmd_example

  1409.     decoding_encoding_example

  1410.     demuxing_decoding_example

  1411.     extract_mvs_example

  1412.     filter_audio_example

  1413.     filtering_audio_example

  1414.     filtering_video_example

  1415.     metadata_example

  1416.     muxing_example

  1417.     qsvdec_example

  1418.     remuxing_example

  1419.     resampling_audio_example

  1420.     scaling_video_example

  1421.     transcode_aac_example

  1422.     transcoding_example

  1423. "

  1424. 

  1425. EXTERNAL_LIBRARY_LIST="

  1426.     avisynth

  1427.     bzlib

  1428.     chromaprint

  1429.     crystalhd

  1430.     cuda

  1431.     decklink

  1432.     frei0r

  1433.     gcrypt

  1434.     gmp

  1435.     gnutls

  1436.     iconv

  1437.     ladspa

  1438.     libass

  1439.     libbluray

  1440.     libbs2b

  1441.     libcaca

  1442.     libcdio

  1443.     libcelt

  1444.     libdc1394

  1445.     libdcadec

  1446.     libfaac

  1447.     libfdk_aac

  1448.     libflite

  1449.     libfontconfig

  1450.     libfreetype

  1451.     libfribidi

  1452.     libgme

  1453.     libgsm

  1454.     libiec61883

  1455.     libilbc

  1456.     libkvazaar

  1457.     libmfx

  1458.     libmodplug

  1459.     libmp3lame

  1460.     libnut

  1461.     libopencore_amrnb

  1462.     libopencore_amrwb

  1463.     libopencv

  1464.     libopenh264

  1465.     libopenjpeg

  1466.     libopus

  1467.     libpulse

  1468.     librtmp

  1469.     librubberband

  1470.     libschroedinger

  1471.     libshine

  1472.     libsmbclient

  1473.     libsnappy

  1474.     libsoxr

  1475.     libspeex

  1476.     libssh

  1477.     libtesseract

  1478.     libtheora

  1479.     libtwolame

  1480.     libutvideo

  1481.     libv4l2

  1482.     libvidstab

  1483.     libvo_amrwbenc

  1484.     libvorbis

  1485.     libvpx

  1486.     libwavpack

  1487.     libwebp

  1488.     libx264

  1489.     libx265

  1490.     libxavs

  1491.     libxcb

  1492.     libxcb_shm

  1493.     libxcb_shape

  1494.     libxcb_xfixes

  1495.     libxvid

  1496.     libzimg

  1497.     libzmq

  1498.     libzvbi

  1499.     lzma

  1500.     mmal

  1501.     netcdf

  1502.     nvenc

  1503.     openal

  1504.     opencl

  1505.     opengl

  1506.     openssl

  1507.     schannel

  1508.     sdl

  1509.     securetransport

  1510.     x11grab

  1511.     xlib

  1512.     zlib

  1513. "

  1514. 

  1515. DOCUMENT_LIST="

  1516.     doc

  1517.     htmlpages

  1518.     manpages

  1519.     podpages

  1520.     txtpages

  1521. "

  1522. 

  1523. FEATURE_LIST="

  1524.     ftrapv

  1525.     gray

  1526.     hardcoded_tables

  1527.     runtime_cpudetect

  1528.     safe_bitstream_reader

  1529.     shared

  1530.     small

  1531.     static

  1532.     swscale_alpha

  1533. "

  1534. 

  1535. HWACCEL_LIST="

  1536.     d3d11va

  1537.     dxva2

  1538.     vaapi

  1539.     vda

  1540.     vdpau

  1541.     videotoolbox

  1542.     xvmc

  1543. "

  1544. 

  1545. LIBRARY_LIST="

  1546.     avcodec

  1547.     avdevice

  1548.     avfilter

  1549.     avformat

  1550.     avresample

  1551.     avutil

  1552.     postproc

  1553.     swresample

  1554.     swscale

  1555. "

  1556. 

  1557. LICENSE_LIST="

  1558.     gpl

  1559.     nonfree

  1560.     version3

  1561. "

  1562. 

  1563. PROGRAM_LIST="

  1564.     ffplay

  1565.     ffprobe

  1566.     ffserver

  1567.     ffmpeg

  1568. "

  1569. 

  1570. SUBSYSTEM_LIST="

  1571.     dct

  1572.     dwt

  1573.     error_resilience

  1574.     faan

  1575.     fast_unaligned

  1576.     fft

  1577.     lsp

  1578.     lzo

  1579.     mdct

  1580.     pixelutils

  1581.     network

  1582.     rdft

  1583. "

  1584. 

  1585. CONFIG_LIST="

  1586.     $COMPONENT_LIST

  1587.     $DOCUMENT_LIST

  1588.     $EXAMPLE_LIST

  1589.     $EXTERNAL_LIBRARY_LIST

  1590.     $FEATURE_LIST

  1591.     $HWACCEL_LIST

  1592.     $LICENSE_LIST

  1593.     $LIBRARY_LIST

  1594.     $PROGRAM_LIST

  1595.     $SUBSYSTEM_LIST

  1596.     fontconfig

  1597.     incompatible_libav_abi

  1598.     memalign_hack

  1599.     memory_poisoning

  1600.     neon_clobber_test

  1601.     pic

  1602.     pod2man

  1603.     raise_major

  1604.     thumb

  1605.     valgrind_backtrace

  1606.     xmm_clobber_test

  1607. "

  1608. 

  1609. THREADS_LIST="

  1610.     pthreads

  1611.     os2threads

  1612.     w32threads

  1613. "

  1614. 

  1615. ATOMICS_LIST="

  1616.     atomics_gcc

  1617.     atomics_suncc

  1618.     atomics_win32

  1619. "

  1620. 

  1621. ARCH_LIST="

  1622.     aarch64

  1623.     alpha

  1624.     arm

  1625.     avr32

  1626.     avr32_ap

  1627.     avr32_uc

  1628.     bfin

  1629.     ia64

  1630.     m68k

  1631.     mips

  1632.     mips64

  1633.     parisc

  1634.     ppc

  1635.     ppc64

  1636.     s390

  1637.     sh4

  1638.     sparc

  1639.     sparc64

  1640.     tilegx

  1641.     tilepro

  1642.     tomi

  1643.     x86

  1644.     x86_32

  1645.     x86_64

  1646. "

  1647. 

  1648. ARCH_EXT_LIST_ARM="

  1649.     armv5te

  1650.     armv6

  1651.     armv6t2

  1652.     armv8

  1653.     neon

  1654.     vfp

  1655.     vfpv3

  1656.     setend

  1657. "

  1658. 

  1659. ARCH_EXT_LIST_MIPS="

  1660.     mipsfpu

  1661.     mips32r2

  1662.     mips64r2

  1663.     mips32r6

  1664.     mips64r6

  1665.     mipsdsp

  1666.     mipsdspr2

  1667.     msa

  1668. "

  1669. 

  1670. ARCH_EXT_LIST_LOONGSON="

  1671.     loongson2

  1672.     loongson3

  1673.     mmi

  1674. "

  1675. 

  1676. ARCH_EXT_LIST_X86_SIMD="

  1677.     aesni

  1678.     amd3dnow

  1679.     amd3dnowext

  1680.     avx

  1681.     avx2

  1682.     fma3

  1683.     fma4

  1684.     mmx

  1685.     mmxext

  1686.     sse

  1687.     sse2

  1688.     sse3

  1689.     sse4

  1690.     sse42

  1691.     ssse3

  1692.     xop

  1693. "

  1694. 

  1695. ARCH_EXT_LIST_PPC="

  1696.     altivec

  1697.     dcbzl

  1698.     ldbrx

  1699.     power8

  1700.     ppc4xx

  1701.     vsx

  1702. "

  1703. 

  1704. ARCH_EXT_LIST_X86="

  1705.     $ARCH_EXT_LIST_X86_SIMD

  1706.     cpunop

  1707.     i686

  1708. "

  1709. 

  1710. ARCH_EXT_LIST="

  1711.     $ARCH_EXT_LIST_ARM

  1712.     $ARCH_EXT_LIST_PPC

  1713.     $ARCH_EXT_LIST_X86

  1714.     $ARCH_EXT_LIST_MIPS

  1715.     $ARCH_EXT_LIST_LOONGSON

  1716. "

  1717. 

  1718. ARCH_FEATURES="

  1719.     aligned_stack

  1720.     fast_64bit

  1721.     fast_clz

  1722.     fast_cmov

  1723.     local_aligned_8

  1724.     local_aligned_16

  1725.     local_aligned_32

  1726.     simd_align_16

  1727. "

  1728. 

  1729. BUILTIN_LIST="

  1730.     atomic_cas_ptr

  1731.     atomic_compare_exchange

  1732.     machine_rw_barrier

  1733.     MemoryBarrier

  1734.     mm_empty

  1735.     rdtsc

  1736.     sarestart

  1737.     sem_timedwait

  1738.     sync_val_compare_and_swap

  1739. "

  1740. HAVE_LIST_CMDLINE="

  1741.     inline_asm

  1742.     symver

  1743.     yasm

  1744. "

  1745. 

  1746. HAVE_LIST_PUB="

  1747.     bigendian

  1748.     fast_unaligned

  1749.     incompatible_libav_abi

  1750. "

  1751. 

  1752. HEADERS_LIST="

  1753.     alsa_asoundlib_h

  1754.     altivec_h

  1755.     arpa_inet_h

  1756.     asm_types_h

  1757.     cdio_paranoia_h

  1758.     cdio_paranoia_paranoia_h

  1759.     dispatch_dispatch_h

  1760.     dev_bktr_ioctl_bt848_h

  1761.     dev_bktr_ioctl_meteor_h

  1762.     dev_ic_bt8xx_h

  1763.     dev_video_bktr_ioctl_bt848_h

  1764.     dev_video_meteor_ioctl_meteor_h

  1765.     direct_h

  1766.     dirent_h

  1767.     dlfcn_h

  1768.     d3d11_h

  1769.     dxva_h

  1770.     ES2_gl_h

  1771.     gsm_h

  1772.     io_h

  1773.     mach_mach_time_h

  1774.     machine_ioctl_bt848_h

  1775.     machine_ioctl_meteor_h

  1776.     malloc_h

  1777.     opencv2_core_core_c_h

  1778.     openjpeg_2_1_openjpeg_h

  1779.     openjpeg_2_0_openjpeg_h

  1780.     openjpeg_1_5_openjpeg_h

  1781.     OpenGL_gl3_h

  1782.     poll_h

  1783.     sndio_h

  1784.     soundcard_h

  1785.     sys_mman_h

  1786.     sys_param_h

  1787.     sys_resource_h

  1788.     sys_select_h

  1789.     sys_soundcard_h

  1790.     sys_time_h

  1791.     sys_un_h

  1792.     sys_videoio_h

  1793.     termios_h

  1794.     udplite_h

  1795.     unistd_h

  1796.     valgrind_valgrind_h

  1797.     windows_h

  1798.     winsock2_h

  1799. "

  1800. 

  1801. INTRINSICS_LIST="

  1802.     intrinsics_neon

  1803. "

  1804. 

  1805. COMPLEX_FUNCS="

  1806.     cabs

  1807.     cexp

  1808. "

  1809. 

  1810. MATH_FUNCS="

  1811.     atanf

  1812.     atan2f

  1813.     cbrt

  1814.     cbrtf

  1815.     copysign

  1816.     cosf

  1817.     erf

  1818.     exp2

  1819.     exp2f

  1820.     expf

  1821.     hypot

  1822.     isfinite

  1823.     isinf

  1824.     isnan

  1825.     ldexpf

  1826.     llrint

  1827.     llrintf

  1828.     log2

  1829.     log2f

  1830.     log10f

  1831.     lrint

  1832.     lrintf

  1833.     powf

  1834.     rint

  1835.     round

  1836.     roundf

  1837.     sinf

  1838.     trunc

  1839.     truncf

  1840. "

  1841. 

  1842. SYSTEM_FUNCS="

  1843.     access

  1844.     aligned_malloc

  1845.     arc4random

  1846.     clock_gettime

  1847.     closesocket

  1848.     CommandLineToArgvW

  1849.     CoTaskMemFree

  1850.     CryptGenRandom

  1851.     dlopen

  1852.     fcntl

  1853.     flt_lim

  1854.     fork

  1855.     getaddrinfo

  1856.     gethrtime

  1857.     getopt

  1858.     GetProcessAffinityMask

  1859.     GetProcessMemoryInfo

  1860.     GetProcessTimes

  1861.     getrusage

  1862.     GetSystemTimeAsFileTime

  1863.     gettimeofday

  1864.     glob

  1865.     glXGetProcAddress

  1866.     gmtime_r

  1867.     inet_aton

  1868.     isatty

  1869.     jack_port_get_latency_range

  1870.     kbhit

  1871.     localtime_r

  1872.     lstat

  1873.     lzo1x_999_compress

  1874.     mach_absolute_time

  1875.     MapViewOfFile

  1876.     memalign

  1877.     mkstemp

  1878.     mmap

  1879.     mprotect

  1880.     nanosleep

  1881.     PeekNamedPipe

  1882.     posix_memalign

  1883.     pthread_cancel

  1884.     sched_getaffinity

  1885.     SetConsoleTextAttribute

  1886.     SetConsoleCtrlHandler

  1887.     setmode

  1888.     setrlimit

  1889.     Sleep

  1890.     strerror_r

  1891.     sysconf

  1892.     sysctl

  1893.     usleep

  1894.     UTGetOSTypeFromString

  1895.     VirtualAlloc

  1896.     wglGetProcAddress

  1897. "

  1898. 

  1899. TOOLCHAIN_FEATURES="

  1900.     as_dn_directive

  1901.     as_func

  1902.     as_object_arch

  1903.     asm_mod_q

  1904.     attribute_may_alias

  1905.     attribute_packed

  1906.     ebp_available

  1907.     ebx_available

  1908.     gnu_as

  1909.     gnu_windres

  1910.     ibm_asm

  1911.     inline_asm_direct_symbol_refs

  1912.     inline_asm_labels

  1913.     inline_asm_nonlocal_labels

  1914.     pragma_deprecated

  1915.     rsync_contimeout

  1916.     symver_asm_label

  1917.     symver_gnu_asm

  1918.     vfp_args

  1919.     xform_asm

  1920.     xmm_clobbers

  1921. "

  1922. 

  1923. TYPES_LIST="

  1924.     CONDITION_VARIABLE_Ptr

  1925.     socklen_t

  1926.     struct_addrinfo

  1927.     struct_group_source_req

  1928.     struct_ip_mreq_source

  1929.     struct_ipv6_mreq

  1930.     struct_pollfd

  1931.     struct_rusage_ru_maxrss

  1932.     struct_sctp_event_subscribe

  1933.     struct_sockaddr_in6

  1934.     struct_sockaddr_sa_len

  1935.     struct_sockaddr_storage

  1936.     struct_stat_st_mtim_tv_nsec

  1937.     struct_v4l2_frmivalenum_discrete

  1938. "

  1939. 

  1940. HAVE_LIST="

  1941.     $ARCH_EXT_LIST

  1942.     $(add_suffix _external $ARCH_EXT_LIST)

  1943.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1944.     $ARCH_FEATURES

  1945.     $ATOMICS_LIST

  1946.     $BUILTIN_LIST

  1947.     $COMPLEX_FUNCS

  1948.     $HAVE_LIST_CMDLINE

  1949.     $HAVE_LIST_PUB

  1950.     $HEADERS_LIST

  1951.     $INTRINSICS_LIST

  1952.     $MATH_FUNCS

  1953.     $SYSTEM_FUNCS

  1954.     $THREADS_LIST

  1955.     $TOOLCHAIN_FEATURES

  1956.     $TYPES_LIST

  1957.     atomics_native

  1958.     dos_paths

  1959.     dxva2_lib

  1960.     dxva2api_cobj

  1961.     libc_msvcrt

  1962.     libdc1394_1

  1963.     libdc1394_2

  1964.     makeinfo

  1965.     makeinfo_html

  1966.     perl

  1967.     pod2man

  1968.     sdl

  1969.     section_data_rel_ro

  1970.     texi2html

  1971.     threads

  1972.     vaapi_x11

  1973.     vdpau_x11

  1974.     winrt

  1975.     xlib

  1976. "

  1977. 

  1978. # options emitted with CONFIG_ prefix but not available on the command line

  1979. CONFIG_EXTRA="

  1980.     aandcttables

  1981.     ac3dsp

  1982.     audio_frame_queue

  1983.     audiodsp

  1984.     blockdsp

  1985.     bswapdsp

  1986.     cabac

  1987.     dirac_parse

  1988.     dvprofile

  1989.     exif

  1990.     faandct

  1991.     faanidct

  1992.     fdctdsp

  1993.     flacdsp

  1994.     fmtconvert

  1995.     frame_thread_encoder

  1996.     g722dsp

  1997.     golomb

  1998.     gplv3

  1999.     h263dsp

  2000.     h264chroma

  2001.     h264dsp

  2002.     h264pred

  2003.     h264qpel

  2004.     hpeldsp

  2005.     huffman

  2006.     huffyuvdsp

  2007.     huffyuvencdsp

  2008.     idctdsp

  2009.     iirfilter

  2010.     imdct15

  2011.     intrax8

  2012.     ividsp

  2013.     jpegtables

  2014.     lgplv3

  2015.     libx262

  2016.     llauddsp

  2017.     llviddsp

  2018.     lpc

  2019.     lzf

  2020.     me_cmp

  2021.     mpeg_er

  2022.     mpegaudio

  2023.     mpegaudiodsp

  2024.     mpegvideo

  2025.     mpegvideoenc

  2026.     mss34dsp

  2027.     pixblockdsp

  2028.     qpeldsp

  2029.     qsv

  2030.     qsvdec

  2031.     qsvenc

  2032.     rangecoder

  2033.     riffdec

  2034.     riffenc

  2035.     rtpdec

  2036.     rtpenc_chain

  2037.     rv34dsp

  2038.     sinewin

  2039.     snappy

  2040.     startcode

  2041.     texturedsp

  2042.     texturedspenc

  2043.     tpeldsp

  2044.     videodsp

  2045.     vp3dsp

  2046.     vp56dsp

  2047.     vp8dsp

  2048.     wma_freqs

  2049.     wmv2dsp

  2050. "

  2051. 

  2052. CMDLINE_SELECT="

  2053.     $ARCH_EXT_LIST

  2054.     $CONFIG_LIST

  2055.     $HAVE_LIST_CMDLINE

  2056.     $THREADS_LIST

  2057.     asm

  2058.     cross_compile

  2059.     debug

  2060.     extra_warnings

  2061.     logging

  2062.     lto

  2063.     optimizations

  2064.     rpath

  2065.     stripping

  2066. "

  2067. 

  2068. PATHS_LIST="

  2069.     bindir

  2070.     datadir

  2071.     docdir

  2072.     incdir

  2073.     libdir

  2074.     mandir

  2075.     pkgconfigdir

  2076.     prefix

  2077.     shlibdir

  2078. "

  2079. 

  2080. CMDLINE_SET="

  2081.     $PATHS_LIST

  2082.     ar

  2083.     arch

  2084.     as

  2085.     assert_level

  2086.     build_suffix

  2087.     cc

  2088.     objcc

  2089.     cpu

  2090.     cross_prefix

  2091.     custom_allocator

  2092.     cxx

  2093.     dep_cc

  2094.     doxygen

  2095.     env

  2096.     extra_version

  2097.     gas

  2098.     host_cc

  2099.     host_cflags

  2100.     host_ld

  2101.     host_ldflags

  2102.     host_libs

  2103.     host_os

  2104.     install

  2105.     ld

  2106.     logfile

  2107.     malloc_prefix

  2108.     nm

  2109.     optflags

  2110.     pkg_config

  2111.     pkg_config_flags

  2112.     progs_suffix

  2113.     random_seed

  2114.     ranlib

  2115.     samples

  2116.     strip

  2117.     sws_max_filter_size

  2118.     sysinclude

  2119.     sysroot

  2120.     target_exec

  2121.     target_os

  2122.     target_path

  2123.     target_samples

  2124.     tempprefix

  2125.     toolchain

  2126.     valgrind

  2127.     yasmexe

  2128. "

  2129. 

  2130. CMDLINE_APPEND="

  2131.     extra_cflags

  2132.     extra_cxxflags

  2133.     extra_objcflags

  2134.     host_cppflags

  2135. "

  2136. 

  2137. # code dependency declarations

  2138. 

  2139. # architecture extensions

  2140. 

  2141. armv5te_deps="arm"

  2142. armv6_deps="arm"

  2143. armv6t2_deps="arm"

  2144. armv8_deps="aarch64"

  2145. neon_deps_any="aarch64 arm"

  2146. intrinsics_neon_deps="neon"

  2147. vfp_deps_any="aarch64 arm"

  2148. vfpv3_deps="vfp"

  2149. setend_deps="arm"

  2150. 

  2151. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2152. 

  2153. mipsfpu_deps="mips"

  2154. mipsdsp_deps="mips"

  2155. mipsdspr2_deps="mips"

  2156. mips32r2_deps="mips"

  2157. mips32r6_deps="mips"

  2158. mips64r2_deps="mips"

  2159. mips64r6_deps="mips"

  2160. msa_deps="mips"

  2161. mmi_deps="mips"

  2162. 

  2163. altivec_deps="ppc"

  2164. dcbzl_deps="ppc"

  2165. ldbrx_deps="ppc"

  2166. ppc4xx_deps="ppc"

  2167. vsx_deps="altivec"

  2168. power8_deps="vsx"

  2169. 

  2170. cpunop_deps="i686"

  2171. x86_64_select="i686"

  2172. x86_64_suggest="fast_cmov"

  2173. 

  2174. amd3dnow_deps="mmx"

  2175. amd3dnowext_deps="amd3dnow"

  2176. i686_deps="x86"

  2177. mmx_deps="x86"

  2178. mmxext_deps="mmx"

  2179. sse_deps="mmxext"

  2180. sse2_deps="sse"

  2181. sse3_deps="sse2"

  2182. ssse3_deps="sse3"

  2183. sse4_deps="ssse3"

  2184. sse42_deps="sse4"

  2185. aesni_deps="sse42"

  2186. avx_deps="sse42"

  2187. xop_deps="avx"

  2188. fma3_deps="avx"

  2189. fma4_deps="avx"

  2190. avx2_deps="avx"

  2191. 

  2192. mmx_external_deps="yasm"

  2193. mmx_inline_deps="inline_asm"

  2194. mmx_suggest="mmx_external mmx_inline"

  2195. 

  2196. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2197.     eval dep=\$${ext}_deps

  2198.     eval ${ext}_external_deps='"${dep}_external"'

  2199.     eval ${ext}_inline_deps='"${dep}_inline"'

  2200.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2201. done

  2202. 

  2203. aligned_stack_if_any="aarch64 ppc x86"

  2204. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2205. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2206. fast_unaligned_if_any="aarch64 ppc x86"

  2207. simd_align_16_if_any="altivec neon sse"

  2208. 

  2209. # system capabilities

  2210. symver_if_any="symver_asm_label symver_gnu_asm"

  2211. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2212. 

  2213. # threading support

  2214. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2215. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2216. atomics_win32_if="MemoryBarrier"

  2217. atomics_native_if_any="$ATOMICS_LIST"

  2218. w32threads_deps="atomics_native"

  2219. threads_if_any="$THREADS_LIST"

  2220. 

  2221. # subsystems

  2222. dct_select="rdft"

  2223. dirac_parse_select="golomb"

  2224. error_resilience_select="me_cmp"

  2225. faandct_deps="faan fdctdsp"

  2226. faanidct_deps="faan idctdsp"

  2227. frame_thread_encoder_deps="encoders threads"

  2228. intrax8_select="error_resilience"

  2229. mdct_select="fft"

  2230. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2231. mpeg_er_select="error_resilience"

  2232. mpegaudio_select="mpegaudiodsp"

  2233. mpegaudiodsp_select="dct"

  2234. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2235. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2236. qsvdec_select="qsv"

  2237. qsvenc_select="qsv"

  2238. rdft_select="fft"

  2239. 

  2240. # decoders / encoders

  2241. aac_decoder_select="imdct15 mdct sinewin"

  2242. aac_fixed_decoder_select="mdct sinewin"

  2243. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2244. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2245. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2246. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2247. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2248. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2249. adpcm_g722_decoder_select="g722dsp"

  2250. adpcm_g722_encoder_select="g722dsp"

  2251. aic_decoder_select="golomb idctdsp"

  2252. alac_encoder_select="lpc"

  2253. als_decoder_select="bswapdsp"

  2254. amrnb_decoder_select="lsp"

  2255. amrwb_decoder_select="lsp"

  2256. amv_decoder_select="sp5x_decoder exif"

  2257. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2258. ape_decoder_select="bswapdsp llauddsp"

  2259. apng_decoder_select="zlib"

  2260. apng_encoder_select="huffyuvencdsp zlib"

  2261. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2262. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2263. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2264. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2265. atrac1_decoder_select="mdct sinewin"

  2266. atrac3_decoder_select="mdct"

  2267. atrac3p_decoder_select="mdct sinewin"

  2268. avrn_decoder_select="exif jpegtables"

  2269. bink_decoder_select="blockdsp hpeldsp"

  2270. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2271. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2272. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2273. cllc_decoder_select="bswapdsp"

  2274. comfortnoise_encoder_select="lpc"

  2275. cook_decoder_select="audiodsp mdct sinewin"

  2276. cscd_decoder_select="lzo"

  2277. cscd_decoder_suggest="zlib"

  2278. dca_decoder_select="mdct"

  2279. dds_decoder_select="texturedsp"

  2280. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2281. dnxhd_decoder_select="blockdsp idctdsp"

  2282. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2283. dvvideo_decoder_select="dvprofile idctdsp"

  2284. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2285. dxa_decoder_select="zlib"

  2286. dxv_decoder_select="lzf texturedsp"

  2287. eac3_decoder_select="ac3_decoder"

  2288. eac3_encoder_select="ac3_encoder"

  2289. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2290. eatgq_decoder_select="aandcttables"

  2291. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2292. exr_decoder_select="zlib"

  2293. ffv1_decoder_select="golomb rangecoder"

  2294. ffv1_encoder_select="rangecoder"

  2295. ffvhuff_decoder_select="huffyuv_decoder"

  2296. ffvhuff_encoder_select="huffyuv_encoder"

  2297. fic_decoder_select="golomb"

  2298. flac_decoder_select="flacdsp golomb"

  2299. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2300. flashsv2_decoder_select="zlib"

  2301. flashsv2_encoder_select="zlib"

  2302. flashsv_decoder_select="zlib"

  2303. flashsv_encoder_select="zlib"

  2304. flv_decoder_select="h263_decoder"

  2305. flv_encoder_select="h263_encoder"

  2306. fourxm_decoder_select="blockdsp bswapdsp"

  2307. fraps_decoder_select="bswapdsp huffman"

  2308. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2309. g729_decoder_select="audiodsp"

  2310. h261_decoder_select="mpegvideo"

  2311. h261_encoder_select="aandcttables mpegvideoenc"

  2312. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2313. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2314. h263i_decoder_select="h263_decoder"

  2315. h263p_decoder_select="h263_decoder"

  2316. h263p_encoder_select="h263_encoder"

  2317. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2318. h264_decoder_suggest="error_resilience"

  2319. h264_qsv_decoder_deps="libmfx"

  2320. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2321. h264_qsv_encoder_deps="libmfx"

  2322. h264_qsv_encoder_select="qsvenc"

  2323. hap_decoder_select="snappy texturedsp"

  2324. hap_encoder_deps="libsnappy"

  2325. hap_encoder_select="texturedspenc"

  2326. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2327. hevc_qsv_decoder_deps="libmfx"

  2328. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2329. hevc_qsv_encoder_deps="libmfx"

  2330. hevc_qsv_encoder_select="qsvenc"

  2331. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2332. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2333. iac_decoder_select="imc_decoder"

  2334. imc_decoder_select="bswapdsp fft mdct sinewin"

  2335. indeo3_decoder_select="hpeldsp"

  2336. indeo4_decoder_select="ividsp"

  2337. indeo5_decoder_select="ividsp"

  2338. interplay_video_decoder_select="hpeldsp"

  2339. jpegls_decoder_select="golomb mjpeg_decoder"

  2340. jpegls_encoder_select="golomb"

  2341. jv_decoder_select="blockdsp"

  2342. lagarith_decoder_select="huffyuvdsp"

  2343. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2344. loco_decoder_select="golomb"

  2345. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2346. metasound_decoder_select="lsp mdct sinewin"

  2347. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2348. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2349. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2350. mjpegb_decoder_select="mjpeg_decoder"

  2351. mlp_decoder_select="mlp_parser"

  2352. motionpixels_decoder_select="bswapdsp"

  2353. mp1_decoder_select="mpegaudio"

  2354. mp1float_decoder_select="mpegaudio"

  2355. mp2_decoder_select="mpegaudio"

  2356. mp2float_decoder_select="mpegaudio"

  2357. mp3_decoder_select="mpegaudio"

  2358. mp3adu_decoder_select="mpegaudio"

  2359. mp3adufloat_decoder_select="mpegaudio"

  2360. mp3float_decoder_select="mpegaudio"

  2361. mp3on4_decoder_select="mpegaudio"

  2362. mp3on4float_decoder_select="mpegaudio"

  2363. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2364. mpc8_decoder_select="mpegaudiodsp"

  2365. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2366. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2367. mpegvideo_decoder_select="mpegvideo"

  2368. mpeg1video_decoder_select="mpegvideo"

  2369. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2370. mpeg2video_decoder_select="mpegvideo"

  2371. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2372. mpeg2_qsv_decoder_deps="libmfx"

  2373. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2374. mpeg2_qsv_encoder_deps="libmfx"

  2375. mpeg2_qsv_encoder_select="qsvenc"

  2376. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2377. mpeg4_encoder_select="h263_encoder"

  2378. msa1_decoder_select="mss34dsp"

  2379. msmpeg4v1_decoder_select="h263_decoder"

  2380. msmpeg4v2_decoder_select="h263_decoder"

  2381. msmpeg4v2_encoder_select="h263_encoder"

  2382. msmpeg4v3_decoder_select="h263_decoder"

  2383. msmpeg4v3_encoder_select="h263_encoder"

  2384. mss2_decoder_select="vc1_decoder"

  2385. mts2_decoder_select="mss34dsp"

  2386. mxpeg_decoder_select="mjpeg_decoder"

  2387. nellymoser_decoder_select="mdct sinewin"

  2388. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2389. nuv_decoder_select="idctdsp lzo"

  2390. on2avc_decoder_select="mdct"

  2391. opus_decoder_deps="swresample"

  2392. opus_decoder_select="imdct15"

  2393. png_decoder_select="zlib"

  2394. png_encoder_select="huffyuvencdsp zlib"

  2395. prores_decoder_select="blockdsp idctdsp"

  2396. prores_encoder_select="fdctdsp"

  2397. qcelp_decoder_select="lsp"

  2398. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2399. ra_144_decoder_select="audiodsp"

  2400. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2401. ralf_decoder_select="golomb"

  2402. rawvideo_decoder_select="bswapdsp"

  2403. rscc_decoder_select="zlib"

  2404. rtjpeg_decoder_select="me_cmp"

  2405. rv10_decoder_select="h263_decoder"

  2406. rv10_encoder_select="h263_encoder"

  2407. rv20_decoder_select="h263_decoder"

  2408. rv20_encoder_select="h263_encoder"

  2409. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2410. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2411. screenpresso_decoder_select="zlib"

  2412. shorten_decoder_select="golomb"

  2413. sipr_decoder_select="lsp"

  2414. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2415. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2416. sonic_decoder_select="golomb rangecoder"

  2417. sonic_encoder_select="golomb rangecoder"

  2418. sonic_ls_encoder_select="golomb rangecoder"

  2419. sp5x_decoder_select="mjpeg_decoder"

  2420. svq1_decoder_select="hpeldsp"

  2421. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2422. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2423. svq3_decoder_suggest="zlib"

  2424. tak_decoder_select="audiodsp"

  2425. tdsc_decoder_select="zlib mjpeg_decoder"

  2426. theora_decoder_select="vp3_decoder"

  2427. thp_decoder_select="mjpeg_decoder"

  2428. tiff_decoder_suggest="zlib lzma"

  2429. tiff_encoder_suggest="zlib"

  2430. truehd_decoder_select="mlp_parser"

  2431. truemotion2_decoder_select="bswapdsp"

  2432. truespeech_decoder_select="bswapdsp"

  2433. tscc_decoder_select="zlib"

  2434. twinvq_decoder_select="mdct lsp sinewin"

  2435. txd_decoder_select="texturedsp"

  2436. utvideo_decoder_select="bswapdsp"

  2437. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2438. vble_decoder_select="huffyuvdsp"

  2439. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2440. vc1_qsv_decoder_deps="libmfx"

  2441. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2442. vc1image_decoder_select="vc1_decoder"

  2443. vorbis_decoder_select="mdct"

  2444. vorbis_encoder_select="mdct"

  2445. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2446. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2447. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2448. vp6a_decoder_select="vp6_decoder"

  2449. vp6f_decoder_select="vp6_decoder"

  2450. vp7_decoder_select="h264pred videodsp vp8dsp"

  2451. vp8_decoder_select="h264pred videodsp vp8dsp"

  2452. vp9_decoder_select="videodsp vp9_parser"

  2453. webp_decoder_select="vp8_decoder exif"

  2454. wmalossless_decoder_select="llauddsp"

  2455. wmapro_decoder_select="mdct sinewin wma_freqs"

  2456. wmav1_decoder_select="mdct sinewin wma_freqs"

  2457. wmav1_encoder_select="mdct sinewin wma_freqs"

  2458. wmav2_decoder_select="mdct sinewin wma_freqs"

  2459. wmav2_encoder_select="mdct sinewin wma_freqs"

  2460. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2461. wmv1_decoder_select="h263_decoder"

  2462. wmv1_encoder_select="h263_encoder"

  2463. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2464. wmv2_encoder_select="h263_encoder wmv2dsp"

  2465. wmv3_decoder_select="vc1_decoder"

  2466. wmv3image_decoder_select="wmv3_decoder"

  2467. xma1_decoder_select="wmapro_decoder"

  2468. xma2_decoder_select="wmapro_decoder"

  2469. zerocodec_decoder_select="zlib"

  2470. zlib_decoder_select="zlib"

  2471. zlib_encoder_select="zlib"

  2472. zmbv_decoder_select="zlib"

  2473. zmbv_encoder_select="zlib"

  2474. 

  2475. # hardware accelerators

  2476. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2477. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2478. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2479. vaapi_deps="va_va_h"

  2480. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2481. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2482. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2483. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2484. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"

  2485. xvmc_deps="X11_extensions_XvMClib_h"

  2486. 

  2487. h263_vaapi_hwaccel_deps="vaapi"

  2488. h263_vaapi_hwaccel_select="h263_decoder"

  2489. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2490. h263_videotoolbox_hwaccel_select="h263_decoder"

  2491. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2492. h264_d3d11va_hwaccel_deps="d3d11va"

  2493. h264_d3d11va_hwaccel_select="h264_decoder"

  2494. h264_dxva2_hwaccel_deps="dxva2"

  2495. h264_dxva2_hwaccel_select="h264_decoder"

  2496. h264_mmal_decoder_deps="mmal"

  2497. h264_mmal_decoder_select="mmal"

  2498. h264_mmal_hwaccel_deps="mmal"

  2499. h264_qsv_hwaccel_deps="libmfx"

  2500. h264_vaapi_hwaccel_deps="vaapi"

  2501. h264_vaapi_hwaccel_select="h264_decoder"

  2502. h264_vda_decoder_deps="vda"

  2503. h264_vda_decoder_select="h264_decoder"

  2504. h264_vda_hwaccel_deps="vda"

  2505. h264_vda_hwaccel_select="h264_decoder"

  2506. h264_vda_old_hwaccel_deps="vda"

  2507. h264_vda_old_hwaccel_select="h264_decoder"

  2508. h264_vdpau_decoder_deps="vdpau"

  2509. h264_vdpau_decoder_select="h264_decoder"

  2510. h264_vdpau_hwaccel_deps="vdpau"

  2511. h264_vdpau_hwaccel_select="h264_decoder"

  2512. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2513. h264_videotoolbox_hwaccel_select="h264_decoder"

  2514. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2515. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2516. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2517. hevc_dxva2_hwaccel_select="hevc_decoder"

  2518. hevc_qsv_hwaccel_deps="libmfx"

  2519. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2520. hevc_vaapi_hwaccel_select="hevc_decoder"

  2521. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2522. hevc_vdpau_hwaccel_select="hevc_decoder"

  2523. mpeg_vdpau_decoder_deps="vdpau"

  2524. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2525. mpeg_xvmc_hwaccel_deps="xvmc"

  2526. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2527. mpeg1_vdpau_decoder_deps="vdpau"

  2528. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2529. mpeg1_vdpau_hwaccel_deps="vdpau"

  2530. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2531. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2532. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2533. mpeg1_xvmc_hwaccel_deps="xvmc"

  2534. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2535. mpeg2_crystalhd_decoder_select="crystalhd"

  2536. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2537. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2538. mpeg2_dxva2_hwaccel_deps="dxva2"

  2539. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2540. mpeg2_mmal_decoder_deps="mmal"

  2541. mpeg2_mmal_decoder_select="mmal"

  2542. mpeg2_mmal_hwaccel_deps="mmal"

  2543. mpeg2_qsv_hwaccel_deps="libmfx"

  2544. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2545. mpeg2_vaapi_hwaccel_deps="vaapi"

  2546. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2547. mpeg2_vdpau_hwaccel_deps="vdpau"

  2548. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2549. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2550. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2551. mpeg2_xvmc_hwaccel_deps="xvmc"

  2552. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2553. mpeg4_crystalhd_decoder_select="crystalhd"

  2554. mpeg4_mmal_decoder_deps="mmal"

  2555. mpeg4_mmal_decoder_select="mmal"

  2556. mpeg4_mmal_hwaccel_deps="mmal"

  2557. mpeg4_vaapi_hwaccel_deps="vaapi"

  2558. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2559. mpeg4_vdpau_decoder_deps="vdpau"

  2560. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2561. mpeg4_vdpau_hwaccel_deps="vdpau"

  2562. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2563. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2564. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2565. msmpeg4_crystalhd_decoder_select="crystalhd"

  2566. vc1_crystalhd_decoder_select="crystalhd"

  2567. vc1_d3d11va_hwaccel_deps="d3d11va"

  2568. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2569. vc1_dxva2_hwaccel_deps="dxva2"

  2570. vc1_dxva2_hwaccel_select="vc1_decoder"

  2571. vc1_mmal_decoder_deps="mmal"

  2572. vc1_mmal_decoder_select="mmal"

  2573. vc1_mmal_hwaccel_deps="mmal"

  2574. vc1_qsv_hwaccel_deps="libmfx"

  2575. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2576. vc1_vaapi_hwaccel_deps="vaapi"

  2577. vc1_vaapi_hwaccel_select="vc1_decoder"

  2578. vc1_vdpau_decoder_deps="vdpau"

  2579. vc1_vdpau_decoder_select="vc1_decoder"

  2580. vc1_vdpau_hwaccel_deps="vdpau"

  2581. vc1_vdpau_hwaccel_select="vc1_decoder"

  2582. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2583. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2584. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2585. vp9_dxva2_hwaccel_select="vp9_decoder"

  2586. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2587. vp9_vaapi_hwaccel_select="vp9_decoder"

  2588. wmv3_crystalhd_decoder_select="crystalhd"

  2589. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2590. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2591. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2592. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2593. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2594. 

  2595. # parsers

  2596. h264_parser_select="h264_decoder"

  2597. hevc_parser_select="golomb"

  2598. mpegvideo_parser_select="mpegvideo"

  2599. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2600. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2601. 

  2602. # bitstream_filters

  2603. mjpeg2jpeg_bsf_select="jpegtables"

  2604. 

  2605. # external libraries

  2606. chromaprint_muxer_deps="chromaprint"

  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. libschroedinger_decoder_deps="libschroedinger"

  2636. libschroedinger_encoder_deps="libschroedinger"

  2637. libshine_encoder_deps="libshine"

  2638. libshine_encoder_select="audio_frame_queue"

  2639. libspeex_decoder_deps="libspeex"

  2640. libspeex_encoder_deps="libspeex"

  2641. libspeex_encoder_select="audio_frame_queue"

  2642. libtheora_encoder_deps="libtheora"

  2643. libtwolame_encoder_deps="libtwolame"

  2644. libutvideo_decoder_deps="libutvideo"

  2645. libutvideo_encoder_deps="libutvideo"

  2646. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2647. libvorbis_decoder_deps="libvorbis"

  2648. libvorbis_encoder_deps="libvorbis"

  2649. libvorbis_encoder_select="audio_frame_queue"

  2650. libvpx_vp8_decoder_deps="libvpx"

  2651. libvpx_vp8_encoder_deps="libvpx"

  2652. libvpx_vp9_decoder_deps="libvpx"

  2653. libvpx_vp9_encoder_deps="libvpx"

  2654. libwavpack_encoder_deps="libwavpack"

  2655. libwebp_encoder_deps="libwebp"

  2656. libwebp_anim_encoder_deps="libwebp"

  2657. libx262_encoder_deps="libx262"

  2658. libx264_encoder_deps="libx264"

  2659. libx264rgb_encoder_deps="libx264"

  2660. libx264rgb_encoder_select="libx264_encoder"

  2661. libx265_encoder_deps="libx265"

  2662. libxavs_encoder_deps="libxavs"

  2663. libxvid_encoder_deps="libxvid"

  2664. libzvbi_teletext_decoder_deps="libzvbi"

  2665. nvenc_encoder_deps="nvenc"

  2666. nvenc_h264_encoder_deps="nvenc"

  2667. nvenc_hevc_encoder_deps="nvenc"

  2668. 

  2669. # demuxers / muxers

  2670. ac3_demuxer_select="ac3_parser"

  2671. asf_demuxer_select="riffdec"

  2672. asf_o_demuxer_select="riffdec"

  2673. asf_muxer_select="riffenc"

  2674. asf_stream_muxer_select="asf_muxer"

  2675. avi_demuxer_select="riffdec exif"

  2676. avi_muxer_select="riffenc"

  2677. avisynth_demuxer_deps="avisynth"

  2678. avisynth_demuxer_select="riffdec"

  2679. caf_demuxer_select="riffdec"

  2680. dash_muxer_select="mp4_muxer"

  2681. dirac_demuxer_select="dirac_parser"

  2682. dts_demuxer_select="dca_parser"

  2683. dtshd_demuxer_select="dca_parser"

  2684. dv_demuxer_select="dvprofile"

  2685. dv_muxer_select="dvprofile"

  2686. dxa_demuxer_select="riffdec"

  2687. eac3_demuxer_select="ac3_parser"

  2688. f4v_muxer_select="mov_muxer"

  2689. flac_demuxer_select="flac_parser"

  2690. hds_muxer_select="flv_muxer"

  2691. hls_muxer_select="mpegts_muxer"

  2692. image2_alias_pix_demuxer_select="image2_demuxer"

  2693. image2_brender_pix_demuxer_select="image2_demuxer"

  2694. ipod_muxer_select="mov_muxer"

  2695. ismv_muxer_select="mov_muxer"

  2696. libnut_demuxer_deps="libnut"

  2697. libnut_muxer_deps="libnut"

  2698. matroska_audio_muxer_select="matroska_muxer"

  2699. matroska_demuxer_select="riffdec"

  2700. matroska_demuxer_suggest="bzlib lzo zlib"

  2701. matroska_muxer_select="riffenc"

  2702. mmf_muxer_select="riffenc"

  2703. mov_demuxer_select="riffdec"

  2704. mov_demuxer_suggest="zlib"

  2705. mov_muxer_select="riffenc rtpenc_chain"

  2706. mp3_demuxer_select="mpegaudio_parser"

  2707. mp4_muxer_select="mov_muxer"

  2708. mpegts_muxer_select="adts_muxer latm_muxer"

  2709. mpegtsraw_demuxer_select="mpegts_demuxer"

  2710. mxf_d10_muxer_select="mxf_muxer"

  2711. mxf_opatom_muxer_select="mxf_muxer"

  2712. nut_muxer_select="riffenc"

  2713. nuv_demuxer_select="riffdec"

  2714. oga_muxer_select="ogg_muxer"

  2715. ogg_demuxer_select="dirac_parse"

  2716. opus_muxer_select="ogg_muxer"

  2717. psp_muxer_select="mov_muxer"

  2718. rtp_demuxer_select="sdp_demuxer"

  2719. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2720. rtsp_demuxer_select="http_protocol rtpdec"

  2721. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2722. sap_demuxer_select="sdp_demuxer"

  2723. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2724. sdp_demuxer_select="rtpdec"

  2725. smoothstreaming_muxer_select="ismv_muxer"

  2726. spdif_muxer_select="aac_parser"

  2727. spx_muxer_select="ogg_muxer"

  2728. swf_demuxer_suggest="zlib"

  2729. tak_demuxer_select="tak_parser"

  2730. tg2_muxer_select="mov_muxer"

  2731. tgp_muxer_select="mov_muxer"

  2732. vobsub_demuxer_select="mpegps_demuxer"

  2733. w64_demuxer_select="wav_demuxer"

  2734. w64_muxer_select="wav_muxer"

  2735. wav_demuxer_select="riffdec"

  2736. wav_muxer_select="riffenc"

  2737. webm_muxer_select="riffenc"

  2738. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2739. wtv_demuxer_select="riffdec"

  2740. wtv_muxer_select="riffenc"

  2741. xmv_demuxer_select="riffdec"

  2742. xwma_demuxer_select="riffdec"

  2743. 

  2744. # indevs / outdevs

  2745. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2746. alsa_outdev_deps="alsa_asoundlib_h"

  2747. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2748. avfoundation_indev_select="avfoundation"

  2749. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2750. caca_outdev_deps="libcaca"

  2751. decklink_indev_deps="decklink pthreads"

  2752. decklink_indev_extralibs="-lstdc++"

  2753. decklink_outdev_deps="decklink pthreads"

  2754. decklink_outdev_extralibs="-lstdc++"

  2755. dshow_indev_deps="IBaseFilter"

  2756. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2757. dv1394_indev_deps="dv1394"

  2758. dv1394_indev_select="dv_demuxer"

  2759. fbdev_indev_deps="linux_fb_h"

  2760. fbdev_outdev_deps="linux_fb_h"

  2761. gdigrab_indev_deps="CreateDIBSection"

  2762. gdigrab_indev_extralibs="-lgdi32"

  2763. gdigrab_indev_select="bmp_decoder"

  2764. iec61883_indev_deps="libiec61883"

  2765. jack_indev_deps="jack_jack_h"

  2766. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2767. lavfi_indev_deps="avfilter"

  2768. libcdio_indev_deps="libcdio"

  2769. libdc1394_indev_deps="libdc1394"

  2770. libv4l2_indev_deps="libv4l2"

  2771. openal_indev_deps="openal"

  2772. opengl_outdev_deps="opengl"

  2773. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2774. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2775. pulse_indev_deps="libpulse"

  2776. pulse_outdev_deps="libpulse"

  2777. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2778. qtkit_indev_select="qtkit"

  2779. sdl_outdev_deps="sdl"

  2780. sndio_indev_deps="sndio_h"

  2781. sndio_outdev_deps="sndio_h"

  2782. v4l_indev_deps="linux_videodev_h"

  2783. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2784. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2785. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2786. vfwcap_indev_extralibs="-lavicap32"

  2787. x11grab_indev_deps="x11grab"

  2788. x11grab_xcb_indev_deps="libxcb"

  2789. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2790. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2791. 

  2792. # protocols

  2793. async_protocol_deps="threads"

  2794. bluray_protocol_deps="libbluray"

  2795. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2796. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2797. ffrtmpcrypt_protocol_select="tcp_protocol"

  2798. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2799. ffrtmphttp_protocol_select="http_protocol"

  2800. ftp_protocol_select="tcp_protocol"

  2801. gopher_protocol_select="network"

  2802. http_protocol_select="tcp_protocol"

  2803. httpproxy_protocol_select="tcp_protocol"

  2804. https_protocol_select="tls_protocol"

  2805. icecast_protocol_select="http_protocol"

  2806. librtmp_protocol_deps="librtmp"

  2807. librtmpe_protocol_deps="librtmp"

  2808. librtmps_protocol_deps="librtmp"

  2809. librtmpt_protocol_deps="librtmp"

  2810. librtmpte_protocol_deps="librtmp"

  2811. libsmbclient_protocol_deps="libsmbclient gplv3"

  2812. libssh_protocol_deps="libssh"

  2813. mmsh_protocol_select="http_protocol"

  2814. mmst_protocol_select="network"

  2815. rtmp_protocol_deps="!librtmp_protocol"

  2816. rtmp_protocol_select="tcp_protocol"

  2817. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2818. rtmps_protocol_deps="!librtmp_protocol"

  2819. rtmps_protocol_select="tls_protocol"

  2820. rtmpt_protocol_select="ffrtmphttp_protocol"

  2821. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2822. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2823. rtp_protocol_select="udp_protocol"

  2824. sctp_protocol_deps="struct_sctp_event_subscribe"

  2825. sctp_protocol_select="network"

  2826. srtp_protocol_select="rtp_protocol"

  2827. tcp_protocol_select="network"

  2828. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2829. tls_gnutls_protocol_select="tcp_protocol"

  2830. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2831. tls_openssl_protocol_select="tcp_protocol"

  2832. tls_schannel_protocol_deps="schannel"

  2833. tls_schannel_protocol_select="tcp_protocol"

  2834. tls_securetransport_protocol_deps="securetransport"

  2835. tls_securetransport_protocol_select="tcp_protocol"

  2836. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2837. udp_protocol_select="network"

  2838. udplite_protocol_select="network"

  2839. unix_protocol_deps="sys_un_h"

  2840. unix_protocol_select="network"

  2841. 

  2842. # filters

  2843. afftfilt_filter_deps="avcodec"

  2844. afftfilt_filter_select="fft"

  2845. amovie_filter_deps="avcodec avformat"

  2846. aresample_filter_deps="swresample"

  2847. ass_filter_deps="libass"

  2848. asyncts_filter_deps="avresample"

  2849. atempo_filter_deps="avcodec"

  2850. atempo_filter_select="rdft"

  2851. azmq_filter_deps="libzmq"

  2852. blackframe_filter_deps="gpl"

  2853. boxblur_filter_deps="gpl"

  2854. bs2b_filter_deps="libbs2b"

  2855. colormatrix_filter_deps="gpl"

  2856. cover_rect_filter_deps="avcodec avformat gpl"

  2857. cropdetect_filter_deps="gpl"

  2858. delogo_filter_deps="gpl"

  2859. deshake_filter_select="pixelutils"

  2860. drawtext_filter_deps="libfreetype"

  2861. ebur128_filter_deps="gpl"

  2862. eq_filter_deps="gpl"

  2863. fftfilt_filter_deps="avcodec"

  2864. fftfilt_filter_select="rdft"

  2865. find_rect_filter_deps="avcodec avformat gpl"

  2866. firequalizer_filter_deps="avcodec"

  2867. firequalizer_filter_select="rdft"

  2868. flite_filter_deps="libflite"

  2869. frei0r_filter_deps="frei0r dlopen"

  2870. frei0r_src_filter_deps="frei0r dlopen"

  2871. fspp_filter_deps="gpl"

  2872. geq_filter_deps="gpl"

  2873. histeq_filter_deps="gpl"

  2874. hqdn3d_filter_deps="gpl"

  2875. hwupload_cuda_filter_deps="cuda"

  2876. interlace_filter_deps="gpl"

  2877. kerndeint_filter_deps="gpl"

  2878. ladspa_filter_deps="ladspa dlopen"

  2879. mcdeint_filter_deps="avcodec gpl"

  2880. movie_filter_deps="avcodec avformat"

  2881. mpdecimate_filter_deps="gpl"

  2882. mpdecimate_filter_select="pixelutils"

  2883. mptestsrc_filter_deps="gpl"

  2884. negate_filter_deps="lut_filter"

  2885. nnedi_filter_deps="gpl"

  2886. ocr_filter_deps="libtesseract"

  2887. ocv_filter_deps="libopencv"

  2888. owdenoise_filter_deps="gpl"

  2889. pan_filter_deps="swresample"

  2890. perspective_filter_deps="gpl"

  2891. phase_filter_deps="gpl"

  2892. pp7_filter_deps="gpl"

  2893. pp_filter_deps="gpl postproc"

  2894. pullup_filter_deps="gpl"

  2895. removelogo_filter_deps="avcodec avformat swscale"

  2896. repeatfields_filter_deps="gpl"

  2897. resample_filter_deps="avresample"

  2898. rubberband_filter_deps="librubberband"

  2899. sab_filter_deps="gpl swscale"

  2900. scale2ref_filter_deps="swscale"

  2901. scale_filter_deps="swscale"

  2902. select_filter_select="pixelutils"

  2903. showcqt_filter_deps="avcodec avformat swscale"

  2904. showcqt_filter_select="fft"

  2905. showfreqs_filter_deps="avcodec"

  2906. showfreqs_filter_select="fft"

  2907. showspectrum_filter_deps="avcodec"

  2908. showspectrum_filter_select="fft"

  2909. showspectrumpic_filter_deps="avcodec"

  2910. showspectrumpic_filter_select="fft"

  2911. smartblur_filter_deps="gpl swscale"

  2912. sofalizer_filter_deps="netcdf avcodec"

  2913. sofalizer_filter_select="fft"

  2914. spectrumsynth_filter_deps="avcodec"

  2915. spectrumsynth_filter_select="fft"

  2916. spp_filter_deps="gpl avcodec"

  2917. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2918. stereo3d_filter_deps="gpl"

  2919. subtitles_filter_deps="avformat avcodec libass"

  2920. super2xsai_filter_deps="gpl"

  2921. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2922. tinterlace_filter_deps="gpl"

  2923. tinterlace_merge_test_deps="tinterlace_filter"

  2924. tinterlace_pad_test_deps="tinterlace_filter"

  2925. uspp_filter_deps="gpl avcodec"

  2926. vidstabdetect_filter_deps="libvidstab"

  2927. vidstabtransform_filter_deps="libvidstab"

  2928. zmq_filter_deps="libzmq"

  2929. zoompan_filter_deps="swscale"

  2930. zscale_filter_deps="libzimg"

  2931. 

  2932. # examples

  2933. avcodec_example_deps="avcodec avutil"

  2934. avio_dir_cmd="avformat avutil"

  2935. avio_reading="avformat avcodec avutil"

  2936. decoding_encoding_example_deps="avcodec avformat avutil"

  2937. demuxing_decoding_example_deps="avcodec avformat avutil"

  2938. extract_mvs_example_deps="avcodec avformat avutil"

  2939. filter_audio_example_deps="avfilter avutil"

  2940. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2941. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2942. metadata_example_deps="avformat avutil"

  2943. muxing_example_deps="avcodec avformat avutil swscale"

  2944. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2945. remuxing_example_deps="avcodec avformat avutil"

  2946. resampling_audio_example_deps="avutil swresample"

  2947. scaling_video_example_deps="avutil swscale"

  2948. transcode_aac_example_deps="avcodec avformat swresample"

  2949. transcoding_example_deps="avfilter avcodec avformat avutil"

  2950. 

  2951. # libraries, in linking order

  2952. avcodec_deps="avutil"

  2953. avdevice_deps="avformat avcodec avutil"

  2954. avfilter_deps="avutil"

  2955. avformat_deps="avcodec avutil"

  2956. avresample_deps="avutil"

  2957. postproc_deps="avutil gpl"

  2958. swresample_deps="avutil"

  2959. swscale_deps="avutil"

  2960. 

  2961. # programs

  2962. ffmpeg_deps="avcodec avfilter avformat swresample"

  2963. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2964.                null_filter

  2965.                setpts_filter trim_filter"

  2966. ffplay_deps="avcodec avformat swscale swresample sdl"

  2967. ffplay_libs='$sdl_libs'

  2968. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2969. ffprobe_deps="avcodec avformat"

  2970. ffserver_deps="avformat fork sarestart"

  2971. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2972. 

  2973. # documentation

  2974. podpages_deps="perl"

  2975. manpages_deps="perl pod2man"

  2976. htmlpages_deps="perl"

  2977. htmlpages_deps_any="makeinfo_html texi2html"

  2978. txtpages_deps="perl makeinfo"

  2979. doc_deps_any="manpages htmlpages podpages txtpages"

  2980. 

  2981. # default parameters

  2982. 

  2983. logfile="config.log"

  2984. 

  2985. # installation paths

  2986. prefix_default="/usr/local"

  2987. bindir_default='${prefix}/bin'

  2988. datadir_default='${prefix}/share/ffmpeg'

  2989. docdir_default='${prefix}/share/doc/ffmpeg'

  2990. incdir_default='${prefix}/include'

  2991. libdir_default='${prefix}/lib'

  2992. mandir_default='${prefix}/share/man'

  2993. 

  2994. # toolchain

  2995. ar_default="ar"

  2996. cc_default="gcc"

  2997. cxx_default="g++"

  2998. host_cc_default="gcc"

  2999. cp_f="cp -f"

  3000. doxygen_default="doxygen"

  3001. install="install"

  3002. ln_s="ln -s -f"

  3003. nm_default="nm -g"

  3004. objformat="elf"

  3005. pkg_config_default=pkg-config

  3006. ranlib_default="ranlib"

  3007. strip_default="strip"

  3008. yasmexe_default="yasm"

  3009. windres_default="windres"

  3010. 

  3011. # OS

  3012. target_os_default=$(tolower $(uname -s))

  3013. host_os=$target_os_default

  3014. 

  3015. # machine

  3016. if test "$target_os_default" = aix; then

  3017.     arch_default=$(uname -p)

  3018.     strip_default="strip -X32_64"

  3019. else

  3020.     arch_default=$(uname -m)

  3021. fi

  3022. cpu="generic"

  3023. intrinsics="none"

  3024. 

  3025. # configurable options

  3026. enable $PROGRAM_LIST

  3027. enable $DOCUMENT_LIST

  3028. enable $EXAMPLE_LIST

  3029. enable $(filter_out avresample $LIBRARY_LIST)

  3030. enable stripping

  3031. 

  3032. enable asm

  3033. enable debug

  3034. enable doc

  3035. enable faan faandct faanidct

  3036. enable optimizations

  3037. enable runtime_cpudetect

  3038. enable safe_bitstream_reader

  3039. enable static

  3040. enable swscale_alpha

  3041. enable valgrind_backtrace

  3042. 

  3043. sws_max_filter_size_default=256

  3044. set_default sws_max_filter_size

  3045. 

  3046. # Enable hwaccels by default.

  3047. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  3048. enable xlib

  3049. 

  3050. # build settings

  3051. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3052. LIBPREF="lib"

  3053. LIBSUF=".a"

  3054. FULLNAME='$(NAME)$(BUILDSUF)'

  3055. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3056. SLIBPREF="lib"

  3057. SLIBSUF=".so"

  3058. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3059. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

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

  3061. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3062. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3063. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3064. 

  3065. asflags_filter=echo

  3066. cflags_filter=echo

  3067. ldflags_filter=echo

  3068. 

  3069. AS_C='-c'

  3070. AS_O='-o $@'

  3071. CC_C='-c'

  3072. CC_E='-E -o $@'

  3073. CC_O='-o $@'

  3074. CXX_C='-c'

  3075. CXX_O='-o $@'

  3076. OBJCC_C='-c'

  3077. OBJCC_E='-E -o $@'

  3078. OBJCC_O='-o $@'

  3079. LD_O='-o $@'

  3080. LD_LIB='-l%'

  3081. LD_PATH='-L'

  3082. HOSTCC_C='-c'

  3083. HOSTCC_E='-E -o $@'

  3084. HOSTCC_O='-o $@'

  3085. HOSTLD_O='-o $@'

  3086. 

  3087. host_libs='-lm'

  3088. host_cflags_filter=echo

  3089. host_ldflags_filter=echo

  3090. 

  3091. target_path='$(CURDIR)'

  3092. 

  3093. # since the object filename is not given with the -MM flag, the compiler

  3094. # is only able to print the basename, and we must add the path ourselves

  3095. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3096. DEPFLAGS='-MM'

  3097. 

  3098. # find source path

  3099. if test -f configure; then

  3100.     source_path=.

  3101. else

  3102.     source_path=$(cd $(dirname "$0"); pwd)

  3103.     case "$source_path" in

  3104.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3105.     esac

  3106.     test -e "$source_path/config.h" &&

  3107.         die "Out of tree builds are impossible with config.h in source dir."

  3108. fi

  3109. 

  3110. for v in "$@"; do

  3111.     r=${v#*=}

  3112.     l=${v%"$r"}

  3113.     r=$(sh_quote "$r")

  3114.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3115. done

  3116. 

  3117. find_things(){

  3118.     thing=$1

  3119.     pattern=$2

  3120.     file=$source_path/$3

  3121.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3122. }

  3123. 

  3124. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3125. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3126. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3127. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3128. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3129. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3130. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3131. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3132. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3133. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3134. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3135. 

  3136. ALL_COMPONENTS="

  3137.     $BSF_LIST

  3138.     $DECODER_LIST

  3139.     $DEMUXER_LIST

  3140.     $ENCODER_LIST

  3141.     $FILTER_LIST

  3142.     $HWACCEL_LIST

  3143.     $INDEV_LIST

  3144.     $MUXER_LIST

  3145.     $OUTDEV_LIST

  3146.     $PARSER_LIST

  3147.     $PROTOCOL_LIST

  3148. "

  3149. 

  3150. for n in $COMPONENT_LIST; do

  3151.     v=$(toupper ${n%s})_LIST

  3152.     eval enable \$$v

  3153.     eval ${n}_if_any="\$$v"

  3154. done

  3155. 

  3156. enable $ARCH_EXT_LIST

  3157. 

  3158. die_unknown(){

  3159.     echo "Unknown option \"$1\"."

  3160.     echo "See $0 --help for available options."

  3161.     exit 1

  3162. }

  3163. 

  3164. print_in_columns() {

  3165.     cols=$(expr $ncols / 24)

  3166.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3167. }

  3168. 

  3169. show_list() {

  3170.     suffix=_$1

  3171.     shift

  3172.     echo $* | sed s/$suffix//g | print_in_columns

  3173.     exit 0

  3174. }

  3175. 

  3176. rand_list(){

  3177.     IFS=', '

  3178.     set -- $*

  3179.     unset IFS

  3180.     for thing; do

  3181.         comp=${thing%:*}

  3182.         prob=${thing#$comp}

  3183.         prob=${prob#:}

  3184.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3185.         echo "prob ${prob:-0.5}"

  3186.         printf '%s\n' $comp

  3187.     done

  3188. }

  3189. 

  3190. do_random(){

  3191.     action=$1

  3192.     shift

  3193.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3194.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3195. }

  3196. 

  3197. for opt do

  3198.     optval="${opt#*=}"

  3199.     case "$opt" in

  3200.         --extra-ldflags=*)

  3201.             add_ldflags $optval

  3202.         ;;

  3203.         --extra-ldexeflags=*)

  3204.             add_ldexeflags $optval

  3205.         ;;

  3206.         --extra-ldlibflags=*)

  3207.             add_ldlibflags $optval

  3208.         ;;

  3209.         --extra-libs=*)

  3210.             add_extralibs $optval

  3211.         ;;

  3212.         --disable-devices)

  3213.             disable $INDEV_LIST $OUTDEV_LIST

  3214.         ;;

  3215.         --enable-debug=*)

  3216.             debuglevel="$optval"

  3217.         ;;

  3218.         --disable-programs)

  3219.             disable $PROGRAM_LIST

  3220.         ;;

  3221.         --disable-everything)

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

  3223.         ;;

  3224.         --disable-all)

  3225.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3226.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3227.             enable avutil

  3228.         ;;

  3229.         --enable-random|--disable-random)

  3230.             action=${opt%%-random}

  3231.             do_random ${action#--} $COMPONENT_LIST

  3232.         ;;

  3233.         --enable-random=*|--disable-random=*)

  3234.             action=${opt%%-random=*}

  3235.             do_random ${action#--} $optval

  3236.         ;;

  3237.         --enable-*=*|--disable-*=*)

  3238.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3239.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3240.             eval list=\$$(toupper $thing)_LIST

  3241.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3242.             list=$(filter "$name" $list)

  3243.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3244.             $action $list

  3245.         ;;

  3246.         --enable-?*|--disable-?*)

  3247.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3248.             if is_in $option $COMPONENT_LIST; then

  3249.                 test $action = disable && action=unset

  3250.                 eval $action \$$(toupper ${option%s})_LIST

  3251.             elif is_in $option $CMDLINE_SELECT; then

  3252.                 $action $option

  3253.             else

  3254.                 die_unknown $opt

  3255.             fi

  3256.         ;;

  3257.         --list-*)

  3258.             NAME="${opt#--list-}"

  3259.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3260.             NAME=${NAME%s}

  3261.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3262.         ;;

  3263.         --help|-h) show_help

  3264.         ;;

  3265.         --fatal-warnings) enable fatal_warnings

  3266.         ;;

  3267.         *)

  3268.             optname="${opt%%=*}"

  3269.             optname="${optname#--}"

  3270.             optname=$(echo "$optname" | sed 's/-/_/g')

  3271.             if is_in $optname $CMDLINE_SET; then

  3272.                 eval $optname='$optval'

  3273.             elif is_in $optname $CMDLINE_APPEND; then

  3274.                 append $optname "$optval"

  3275.             else

  3276.                 die_unknown $opt

  3277.             fi

  3278.         ;;

  3279.     esac

  3280. done

  3281. 

  3282. for e in $env; do

  3283.     eval "export $e"

  3284. done

  3285. 

  3286. disabled logging && logfile=/dev/null

  3287. 

  3288. # Disable all the library-specific components if the library itself

  3289. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3290. 

  3291. disable_components(){

  3292.     disabled ${1} && disable $(

  3293.         eval components="\$$(toupper ${1})_COMPONENTS"

  3294.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3295.     )

  3296. }

  3297. 

  3298. map 'disable_components $v' $LIBRARY_LIST

  3299. 

  3300. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3301. set >> $logfile

  3302. 

  3303. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3304. 

  3305. case "$toolchain" in

  3306.     *-asan)

  3307.         cc_default="${toolchain%-asan}"

  3308.         add_cflags  -fsanitize=address

  3309.         add_ldflags -fsanitize=address

  3310.     ;;

  3311.     *-tsan)

  3312.         cc_default="${toolchain%-tsan}"

  3313.         add_cflags  -fsanitize=thread -pie

  3314.         add_ldflags -fsanitize=thread -pie

  3315.         case "$toolchain" in

  3316.             gcc-tsan)

  3317.                 add_cflags  -fPIC

  3318.                 add_ldflags -fPIC

  3319.                 ;;

  3320.         esac

  3321.     ;;

  3322.     *-usan)

  3323.         cc_default="${toolchain%-usan}"

  3324.         add_cflags  -fsanitize=undefined

  3325.         add_ldflags -fsanitize=undefined

  3326.     ;;

  3327.     valgrind-*)

  3328.         target_exec_default="valgrind"

  3329.         case "$toolchain" in

  3330.             valgrind-massif)

  3331.                 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"

  3332.                 ;;

  3333.             valgrind-memcheck)

  3334.                 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"

  3335.                 ;;

  3336.         esac

  3337.     ;;

  3338.     msvc)

  3339.         # Check whether the current MSVC version needs the C99 converter.

  3340.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3341.         # support enough of C99 to build ffmpeg. Default to the new

  3342.         # behaviour if the regexp was unable to match anything, since this

  3343.         # successfully parses the version number of existing supported

  3344.         # versions that require the converter (MSVC 2010 and 2012).

  3345.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3346.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3347.             cc_default="cl"

  3348.         else

  3349.             cc_default="c99wrap cl"

  3350.         fi

  3351.         ld_default="$source_path/compat/windows/mslink"

  3352.         nm_default="dumpbin -symbols"

  3353.         ar_default="lib"

  3354.         case "$arch" in

  3355.         arm*)

  3356.             as_default="armasm"

  3357.             ;;

  3358.         esac

  3359.         target_os_default="win32"

  3360.         # Use a relative path for TMPDIR. This makes sure all the

  3361.         # ffconf temp files are written with a relative path, avoiding

  3362.         # issues with msys/win32 path conversion for MSVC parameters

  3363.         # such as -Fo<file> or -out:<file>.

  3364.         TMPDIR=.

  3365.     ;;

  3366.     icl)

  3367.         cc_default="icl"

  3368.         ld_default="xilink"

  3369.         nm_default="dumpbin -symbols"

  3370.         ar_default="xilib"

  3371.         target_os_default="win32"

  3372.         TMPDIR=.

  3373.     ;;

  3374.     gcov)

  3375.         add_cflags  -fprofile-arcs -ftest-coverage

  3376.         add_ldflags -fprofile-arcs -ftest-coverage

  3377.     ;;

  3378.     hardened)

  3379.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3380.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3381.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3382.     ;;

  3383.     ?*)

  3384.         die "Unknown toolchain $toolchain"

  3385.     ;;

  3386. esac

  3387. 

  3388. test -n "$cross_prefix" && enable cross_compile

  3389. 

  3390. if enabled cross_compile; then

  3391.     test -n "$arch" && test -n "$target_os" ||

  3392.         die "Must specify target arch and OS when cross-compiling"

  3393. fi

  3394. 

  3395. ar_default="${cross_prefix}${ar_default}"

  3396. cc_default="${cross_prefix}${cc_default}"

  3397. cxx_default="${cross_prefix}${cxx_default}"

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

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

  3400. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3401.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3402. else

  3403.     ranlib_default="${cross_prefix}${ranlib_default}"

  3404. fi

  3405. strip_default="${cross_prefix}${strip_default}"

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

  3407. 

  3408. sysinclude_default="${sysroot}/usr/include"

  3409. 

  3410. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3411.     target_exec target_os yasmexe

  3412. enabled cross_compile || host_cc_default=$cc

  3413. set_default host_cc

  3414. 

  3415. pkg_config_fail_message=""

  3416. if ! $pkg_config --version >/dev/null 2>&1; then

  3417.     warn "$pkg_config not found, library detection may fail."

  3418.     pkg_config=false

  3419. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3420.     pkg_config_fail_message="

  3421. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3422. fi

  3423. 

  3424. if test $doxygen != $doxygen_default && \

  3425.   ! $doxygen --version >/dev/null 2>&1; then

  3426.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3427. fi

  3428. 

  3429. exesuf() {

  3430.     case $1 in

  3431.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3432.     esac

  3433. }

  3434. 

  3435. EXESUF=$(exesuf $target_os)

  3436. HOSTEXESUF=$(exesuf $host_os)

  3437. 

  3438. # set temporary file name

  3439. : ${TMPDIR:=$TEMPDIR}

  3440. : ${TMPDIR:=$TMP}

  3441. : ${TMPDIR:=/tmp}

  3442. 

  3443. if [ -n "$tempprefix" ] ; then

  3444.     mktemp(){

  3445.         echo $tempprefix.${HOSTNAME}.${UID}

  3446.     }

  3447. elif ! check_cmd mktemp -u XXXXXX; then

  3448.     # simple replacement for missing mktemp

  3449.     # NOT SAFE FOR GENERAL USE

  3450.     mktemp(){

  3451.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3452.     }

  3453. fi

  3454. 

  3455. tmpfile(){

  3456.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3457.         (set -C; exec > $tmp) 2>/dev/null ||

  3458.         die "Unable to create temporary file in $TMPDIR."

  3459.     append TMPFILES $tmp

  3460.     eval $1=$tmp

  3461. }

  3462. 

  3463. trap 'rm -f -- $TMPFILES' EXIT

  3464. 

  3465. tmpfile TMPASM .asm

  3466. tmpfile TMPC   .c

  3467. tmpfile TMPCPP .cpp

  3468. tmpfile TMPE   $EXESUF

  3469. tmpfile TMPH   .h

  3470. tmpfile TMPM   .m

  3471. tmpfile TMPO   .o

  3472. tmpfile TMPS   .S

  3473. tmpfile TMPSH  .sh

  3474. tmpfile TMPV   .ver

  3475. 

  3476. unset -f mktemp

  3477. 

  3478. chmod +x $TMPE

  3479. 

  3480. # make sure we can execute files in $TMPDIR

  3481. cat > $TMPSH 2>> $logfile <<EOF

  3482. #! /bin/sh

  3483. EOF

  3484. chmod +x $TMPSH >> $logfile 2>&1

  3485. if ! $TMPSH >> $logfile 2>&1; then

  3486.     cat <<EOF

  3487. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3488. variable to another directory and make sure that it is not mounted noexec.

  3489. EOF

  3490.     die "Sanity test failed."

  3491. fi

  3492. 

  3493. armasm_flags(){

  3494.     for flag; do

  3495.         case $flag in

  3496.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3497.             # be passed to gas-preprocessor

  3498.             -M[TD]*)                                            ;;

  3499.             *)                  echo $flag                      ;;

  3500.         esac

  3501.    done

  3502. }

  3503. 

  3504. ccc_flags(){

  3505.     for flag; do

  3506.         case $flag in

  3507.             -std=c99)           echo -c99                       ;;

  3508.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3509.             -mieee)             echo -ieee                      ;;

  3510.             -O*|-fast)          echo $flag                      ;;

  3511.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3512.             -g)                 echo -g3                        ;;

  3513.             -Wall)              echo -msg_enable level2         ;;

  3514.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3515.             -Wl,*)              echo $flag                      ;;

  3516.             -f*|-W*)                                            ;;

  3517.             *)                  echo $flag                      ;;

  3518.         esac

  3519.    done

  3520. }

  3521. 

  3522. cparser_flags(){

  3523.     for flag; do

  3524.         case $flag in

  3525.             -Wno-switch)             echo -Wno-switch-enum ;;

  3526.             -Wno-format-zero-length) ;;

  3527.             -Wdisabled-optimization) ;;

  3528.             -Wno-pointer-sign)       echo -Wno-other ;;

  3529.             *)                       echo $flag ;;

  3530.         esac

  3531.     done

  3532. }

  3533. 

  3534. msvc_common_flags(){

  3535.     for flag; do

  3536.         case $flag in

  3537.             # In addition to specifying certain flags under the compiler

  3538.             # specific filters, they must be specified here as well or else the

  3539.             # generic catch all at the bottom will print the original flag.

  3540.             -Wall)                ;;

  3541.             -std=c99)             ;;

  3542.             # Common flags

  3543.             -fomit-frame-pointer) ;;

  3544.             -g)                   echo -Z7 ;;

  3545.             -fno-math-errno)      ;;

  3546.             -fno-common)          ;;

  3547.             -fno-signed-zeros)    ;;

  3548.             -fPIC)                ;;

  3549.             -mthumb)              ;;

  3550.             -march=*)             ;;

  3551.             -lz)                  echo zlib.lib ;;

  3552.             -lavifil32)           echo vfw32.lib ;;

  3553.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3554.             -lx264)               echo libx264.lib ;;

  3555.             -l*)                  echo ${flag#-l}.lib ;;

  3556.             -LARGEADDRESSAWARE)   echo $flag ;;

  3557.             -L*)                  echo -libpath:${flag#-L} ;;

  3558.             *)                    echo $flag ;;

  3559.         esac

  3560.     done

  3561. }

  3562. 

  3563. msvc_flags(){

  3564.     msvc_common_flags "$@"

  3565.     for flag; do

  3566.         case $flag in

  3567.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3568.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3569.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3570.                                        -wd4307 \

  3571.                                        -wd4273 -wd4554 -wd4701 ;;

  3572.         esac

  3573.     done

  3574. }

  3575. 

  3576. icl_flags(){

  3577.     msvc_common_flags "$@"

  3578.     for flag; do

  3579.         case $flag in

  3580.             # Despite what Intel's documentation says -Wall, which is supported

  3581.             # on Windows, does enable remarks so disable them here.

  3582.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3583.             -std=c99)             echo -Qstd=c99 ;;

  3584.             -flto)                echo -ipo ;;

  3585.         esac

  3586.     done

  3587. }

  3588. 

  3589. icc_flags(){

  3590.     for flag; do

  3591.         case $flag in

  3592.             -flto)                echo -ipo ;;

  3593.             *)                    echo $flag ;;

  3594.         esac

  3595.     done

  3596. }

  3597. 

  3598. pgi_flags(){

  3599.     for flag; do

  3600.         case $flag in

  3601.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3602.             -fomit-frame-pointer) echo -Mnoframe ;;

  3603.             -g)                   echo -gopt ;;

  3604.             *)                    echo $flag ;;

  3605.         esac

  3606.     done

  3607. }

  3608. 

  3609. suncc_flags(){

  3610.     for flag; do

  3611.         case $flag in

  3612.             -march=*|-mcpu=*)

  3613.                 case "${flag#*=}" in

  3614.                     native)                   echo -xtarget=native       ;;

  3615.                     v9|niagara)               echo -xarch=sparc          ;;

  3616.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3617.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3618.                     i586|pentium)             echo -xchip=pentium        ;;

  3619.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3620.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3621.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3622.                     pentium4*)          echo -xtarget=pentium4           ;;

  3623.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3624.                     *-sse3)             echo -xarch=sse3                 ;;

  3625.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3626.                     bonnell)                   echo -xarch=ssse3         ;;

  3627.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3628.                     westmere)                  echo -xtarget=westmere    ;;

  3629.                     silvermont)                echo -xarch=sse4_2        ;;

  3630.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3631.                     core-avx*|ivybridge|haswell|broadwell)

  3632.                                                echo -xarch=avx           ;;

  3633.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3634.                     btver1)                    echo -xarch=amdsse4a      ;;

  3635.                     btver2|bdver*)             echo -xarch=avx           ;;

  3636.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3637.                     k8|opteron|athlon64|athlon-fx)

  3638.                                                echo -xarch=sse2a         ;;

  3639.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3640.                 esac

  3641.                 ;;

  3642.             -std=c99)             echo -xc99              ;;

  3643.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3644.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3645.             -W*,*)                echo $flag              ;;

  3646.             -f*-*|-W*|-mimpure-text)                      ;;

  3647.             -shared)              echo -G                 ;;

  3648.             *)                    echo $flag              ;;

  3649.         esac

  3650.     done

  3651. }

  3652. 

  3653. tms470_flags(){

  3654.     for flag; do

  3655.         case $flag in

  3656.             -march=*|-mcpu=*)

  3657.                 case "${flag#*=}" in

  3658.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3659.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3660.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3661.                     armv6*|arm11*)          echo -mv=6   ;;

  3662.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3663.                                             echo -mv=5e  ;;

  3664.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3665.                 esac

  3666.                 ;;

  3667.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3668.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

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

  3670.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3671.             -msoft-float)   echo --float_support=vfplib       ;;

  3672.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3673.             -g)             echo -g -mn                       ;;

  3674.             -pds=*)         echo $flag                        ;;

  3675.             -D*|-I*)        echo $flag                        ;;

  3676.             --gcc|--abi=*)  echo $flag                        ;;

  3677.             -me)            echo $flag                        ;;

  3678.         esac

  3679.     done

  3680. }

  3681. 

  3682. probe_cc(){

  3683.     pfx=$1

  3684.     _cc=$2

  3685.     first=$3

  3686. 

  3687.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3688.     unset _ld_o _ldflags _ld_lib _ld_path

  3689.     unset _depflags _DEPCMD _DEPFLAGS

  3690.     _flags_filter=echo

  3691. 

  3692.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3693.         true # no-op to avoid reading stdin in following checks

  3694.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3695.         _type=llvm_gcc

  3696.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3697.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3698.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3699.         _cflags_speed='-O3'

  3700.         _cflags_size='-Os'

  3701.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3702.         _type=gcc

  3703.         gcc_version=$($_cc --version | head -n1)

  3704.         gcc_basever=$($_cc -dumpversion)

  3705.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3706.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3707.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3708.         case $gcc_basever in

  3709.             2) ;;

  3710.             2.*) ;;

  3711.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3712.         esac

  3713.         if [ "$first" = true ]; then

  3714.             case $gcc_basever in

  3715.                 4.2*)

  3716.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3717.             esac

  3718.         fi

  3719.         _cflags_speed='-O3'

  3720.         _cflags_size='-Os'

  3721.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3722.         _type=icc

  3723.         _ident=$($_cc --version | head -n1)

  3724.         _depflags='-MMD'

  3725.         _cflags_speed='-O3'

  3726.         _cflags_size='-Os'

  3727.         _cflags_noopt='-O1'

  3728.         _flags_filter=icc_flags

  3729.     elif $_cc -v 2>&1 | grep -q xlc; then

  3730.         _type=xlc

  3731.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3732.         _cflags_speed='-O5'

  3733.         _cflags_size='-O5 -qcompact'

  3734.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3735.         _type=ccc

  3736.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3737.         _DEPFLAGS='-M'

  3738.         _cflags_speed='-fast'

  3739.         _cflags_size='-O1'

  3740.         _flags_filter=ccc_flags

  3741.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3742.         test -d "$sysroot" || die "No valid sysroot specified."

  3743.         _type=armcc

  3744.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3745.         armcc_conf="$PWD/armcc.conf"

  3746.         $_cc --arm_linux_configure                 \

  3747.              --arm_linux_config_file="$armcc_conf" \

  3748.              --configure_sysroot="$sysroot"        \

  3749.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3750.              die "Error creating armcc configuration file."

  3751.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3752.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3753.         as_default="${cross_prefix}gcc"

  3754.         _depflags='-MMD'

  3755.         _cflags_speed='-O3'

  3756.         _cflags_size='-Os'

  3757.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3758.         _type=tms470

  3759.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3760.         _flags='--gcc --abi=eabi -me'

  3761.         _cc_e='-ppl -fe=$@'

  3762.         _cc_o='-fe=$@'

  3763.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3764.         _cflags_speed='-O3 -mf=5'

  3765.         _cflags_size='-O3 -mf=2'

  3766.         _flags_filter=tms470_flags

  3767.     elif $_cc -v 2>&1 | grep -q clang; then

  3768.         _type=clang

  3769.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3770.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3771.         _cflags_speed='-O3'

  3772.         _cflags_size='-Os'

  3773.     elif $_cc -V 2>&1 | grep -q Sun; then

  3774.         _type=suncc

  3775.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3776.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3777.         _DEPFLAGS='-xM1 -xc99'

  3778.         _ldflags='-std=c99'

  3779.         _cflags_speed='-O5'

  3780.         _cflags_size='-O5 -xspace'

  3781.         _flags_filter=suncc_flags

  3782.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3783.         _type=pathscale

  3784.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3785.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3786.         _cflags_speed='-O2'

  3787.         _cflags_size='-Os'

  3788.         _flags_filter='filter_out -Wdisabled-optimization'

  3789.     elif $_cc -v 2>&1 | grep -q Open64; then

  3790.         _type=open64

  3791.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3792.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3793.         _cflags_speed='-O2'

  3794.         _cflags_size='-Os'

  3795.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3796.     elif $_cc -V 2>&1 | grep -q Portland; then

  3797.         _type=pgi

  3798.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3799.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3800.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3801.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3802.         _cflags_noopt="-O"

  3803.         _flags_filter=pgi_flags

  3804.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3805.         _type=armasm

  3806.         _ident=$($_cc | head -n1)

  3807.         # 4509: "This form of conditional instruction is deprecated"

  3808.         _flags="-nologo -ignore 4509"

  3809.         _flags_filter=armasm_flags

  3810.     elif $_cc 2>&1 | grep -q Intel; then

  3811.         _type=icl

  3812.         _ident=$($_cc 2>&1 | head -n1)

  3813.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3814.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3815.         # versions (tested) as well.

  3816.         _cflags_speed="-O2"

  3817.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3818.         if $_cc 2>&1 | grep -q Linker; then

  3819.             _ld_o='-out:$@'

  3820.         else

  3821.             _ld_o='-Fe$@'

  3822.         fi

  3823.         _cc_o='-Fo$@'

  3824.         _cc_e='-P'

  3825.         _flags_filter=icl_flags

  3826.         _ld_lib='lib%.a'

  3827.         _ld_path='-libpath:'

  3828.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3829.         _flags='-nologo -Qdiag-error:4044,10157'

  3830.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3831.         # with MSVC which enables it by default.

  3832.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3833.         disable stripping

  3834.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3835.         _type=msvc

  3836.         _ident=$($_cc 2>&1 | head -n1)

  3837.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3838.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3839.         _cflags_speed="-O2"

  3840.         _cflags_size="-O1"

  3841.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3842.             _ld_o='-out:$@'

  3843.         else

  3844.             _ld_o='-Fe$@'

  3845.         fi

  3846.         _cc_o='-Fo$@'

  3847.         _cc_e='-P -Fi$@'

  3848.         _flags_filter=msvc_flags

  3849.         _ld_lib='lib%.a'

  3850.         _ld_path='-libpath:'

  3851.         _flags='-nologo'

  3852.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3853.         disable stripping

  3854.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3855.         _type=cparser

  3856.         _ident=$($_cc --version | head -n1)

  3857.         _depflags='-MMD'

  3858.         _cflags_speed='-O4'

  3859.         _cflags_size='-O2'

  3860.         _flags_filter=cparser_flags

  3861.     fi

  3862. 

  3863.     eval ${pfx}_type=\$_type

  3864.     eval ${pfx}_ident=\$_ident

  3865. }

  3866. 

  3867. set_ccvars(){

  3868.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3869.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3870.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3871. 

  3872.     if [ -n "$_depflags" ]; then

  3873.         eval ${1}_DEPFLAGS=\$_depflags

  3874.     else

  3875.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3876.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3877.         eval DEP${1}FLAGS=\$_flags

  3878.     fi

  3879. }

  3880. 

  3881. probe_cc cc "$cc" "true"

  3882. cflags_filter=$_flags_filter

  3883. cflags_speed=$_cflags_speed

  3884. cflags_size=$_cflags_size

  3885. cflags_noopt=$_cflags_noopt

  3886. add_cflags $_flags $_cflags

  3887. cc_ldflags=$_ldflags

  3888. set_ccvars CC

  3889. 

  3890. probe_cc hostcc "$host_cc"

  3891. host_cflags_filter=$_flags_filter

  3892. add_host_cflags  $_flags $_cflags

  3893. set_ccvars HOSTCC

  3894. 

  3895. test -n "$cc_type" && enable $cc_type ||

  3896.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3897. 

  3898. : ${as_default:=$cc}

  3899. : ${objcc_default:=$cc}

  3900. : ${dep_cc_default:=$cc}

  3901. : ${ld_default:=$cc}

  3902. : ${host_ld_default:=$host_cc}

  3903. set_default ar as objcc dep_cc ld host_ld windres

  3904. 

  3905. probe_cc as "$as"

  3906. asflags_filter=$_flags_filter

  3907. add_asflags $_flags $_cflags

  3908. set_ccvars AS

  3909. 

  3910. probe_cc objcc "$objcc"

  3911. objcflags_filter=$_flags_filter

  3912. add_objcflags $_flags $_cflags

  3913. set_ccvars OBJC

  3914. 

  3915. probe_cc ld "$ld"

  3916. ldflags_filter=$_flags_filter

  3917. add_ldflags $_flags $_ldflags

  3918. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3919. LD_O=${_ld_o-$LD_O}

  3920. LD_LIB=${_ld_lib-$LD_LIB}

  3921. LD_PATH=${_ld_path-$LD_PATH}

  3922. 

  3923. probe_cc hostld "$host_ld"

  3924. host_ldflags_filter=$_flags_filter

  3925. add_host_ldflags $_flags $_ldflags

  3926. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3927. 

  3928. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3929.     probe_cc depcc "$dep_cc"

  3930.     CCDEP=${_DEPCMD:-$DEPCMD}

  3931.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3932.     DEPCCFLAGS=$_flags

  3933. fi

  3934. 

  3935. if $ar 2>&1 | grep -q Microsoft; then

  3936.     arflags="-nologo"

  3937.     ar_o='-out:$@'

  3938. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3939.     arflags="rq"

  3940.     ar_o='$@'

  3941. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3942.     arflags='-Xany -r -c'

  3943.     ar_o='$@'

  3944. elif $ar 2>&1 | grep -q "\[D\] "; then

  3945.     arflags="rcD"

  3946.     ar_o='$@'

  3947. else

  3948.     arflags="rc"

  3949.     ar_o='$@'

  3950. fi

  3951. 

  3952. add_cflags $extra_cflags

  3953. add_cxxflags $extra_cxxflags

  3954. add_objcflags $extra_objcflags

  3955. add_asflags $extra_cflags

  3956. 

  3957. if test -n "$sysroot"; then

  3958.     case "$cc_type" in

  3959.         gcc|llvm_gcc|clang)

  3960.             add_cppflags --sysroot="$sysroot"

  3961.             add_ldflags --sysroot="$sysroot"

  3962. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3963.             add_cppflags -isysroot "$sysroot"

  3964.             add_ldflags -isysroot "$sysroot"

  3965.         ;;

  3966.         tms470)

  3967.             add_cppflags -I"$sysinclude"

  3968.             add_ldflags  --sysroot="$sysroot"

  3969.         ;;

  3970.     esac

  3971. fi

  3972. 

  3973. if test "$cpu" = host; then

  3974.     enabled cross_compile &&

  3975.         die "--cpu=host makes no sense when cross-compiling."

  3976. 

  3977.     case "$cc_type" in

  3978.         gcc|llvm_gcc)

  3979.             check_native(){

  3980.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3981.                 sed -n "/cc1.*$1=/{

  3982.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3983.                             p

  3984.                             q

  3985.                         }" $TMPE

  3986.             }

  3987.             cpu=$(check_native -march || check_native -mcpu)

  3988.         ;;

  3989.         clang)

  3990.             check_native(){

  3991.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3992.                 sed -n "/cc1.*-target-cpu /{

  3993.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  3994.                             p

  3995.                             q

  3996.                         }" $TMPE

  3997.             }

  3998.             cpu=$(check_native -march)

  3999.         ;;

  4000.     esac

  4001. 

  4002.     test "${cpu:-host}" = host &&

  4003.         die "--cpu=host not supported with compiler $cc"

  4004. fi

  4005. 

  4006. # Deal with common $arch aliases

  4007. case "$arch" in

  4008.     aarch64|arm64)

  4009.         arch="aarch64"

  4010.     ;;

  4011.     arm*|iPad*|iPhone*)

  4012.         arch="arm"

  4013.     ;;

  4014.     mips*|IP*)

  4015.         case "$arch" in

  4016.         *el)

  4017.             add_cppflags -EL

  4018.             add_ldflags -EL

  4019.         ;;

  4020.         *eb)

  4021.             add_cppflags -EB

  4022.             add_ldflags -EB

  4023.         ;;

  4024.         esac

  4025.         arch="mips"

  4026.     ;;

  4027.     parisc*|hppa*)

  4028.         arch="parisc"

  4029.     ;;

  4030.     "Power Macintosh"|ppc*|powerpc*)

  4031.         arch="ppc"

  4032.     ;;

  4033.     s390|s390x)

  4034.         arch="s390"

  4035.     ;;

  4036.     sh4|sh)

  4037.         arch="sh4"

  4038.     ;;

  4039.     sun4u|sparc*)

  4040.         arch="sparc"

  4041.     ;;

  4042.     tilegx|tile-gx)

  4043.         arch="tilegx"

  4044.     ;;

  4045.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4046.         arch="x86"

  4047.     ;;

  4048. esac

  4049. 

  4050. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4051. enable $arch

  4052. 

  4053. # Add processor-specific flags

  4054. if enabled aarch64; then

  4055. 

  4056.     case $cpu in

  4057.         armv*)

  4058.             cpuflags="-march=$cpu"

  4059.         ;;

  4060.         *)

  4061.             cpuflags="-mcpu=$cpu"

  4062.         ;;

  4063.     esac

  4064. 

  4065. elif enabled alpha; then

  4066. 

  4067.     cpuflags="-mcpu=$cpu"

  4068. 

  4069. elif enabled arm; then

  4070. 

  4071.     check_arm_arch() {

  4072.         check_cpp_condition stddef.h \

  4073.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4074.             $cpuflags

  4075.     }

  4076. 

  4077.     probe_arm_arch() {

  4078.         if   check_arm_arch 4;        then echo armv4;

  4079.         elif check_arm_arch 4T;       then echo armv4t;

  4080.         elif check_arm_arch 5;        then echo armv5;

  4081.         elif check_arm_arch 5E;       then echo armv5e;

  4082.         elif check_arm_arch 5T;       then echo armv5t;

  4083.         elif check_arm_arch 5TE;      then echo armv5te;

  4084.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4085.         elif check_arm_arch 6;        then echo armv6;

  4086.         elif check_arm_arch 6J;       then echo armv6j;

  4087.         elif check_arm_arch 6K;       then echo armv6k;

  4088.         elif check_arm_arch 6Z;       then echo armv6z;

  4089.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4090.         elif check_arm_arch 6T2;      then echo armv6t2;

  4091.         elif check_arm_arch 7;        then echo armv7;

  4092.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4093.         elif check_arm_arch 7S;       then echo armv7-a;

  4094.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4095.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4096.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4097.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4098.         fi

  4099.     }

  4100. 

  4101.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4102. 

  4103.     case $cpu in

  4104.         armv*)

  4105.             cpuflags="-march=$cpu"

  4106.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4107.         ;;

  4108.         *)

  4109.             cpuflags="-mcpu=$cpu"

  4110.             case $cpu in

  4111.                 cortex-a*)                               subarch=armv7a  ;;

  4112.                 cortex-r*)                               subarch=armv7r  ;;

  4113.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4114.                 arm11*)                                  subarch=armv6   ;;

  4115.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4116.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4117.                 *)                             subarch=$(probe_arm_arch) ;;

  4118.             esac

  4119.         ;;

  4120.     esac

  4121. 

  4122.     case "$subarch" in

  4123.         armv5t*)    enable fast_clz                ;;

  4124.         armv[6-8]*)

  4125.             enable fast_clz

  4126.             disabled fast_unaligned || enable fast_unaligned

  4127.             ;;

  4128.     esac

  4129. 

  4130. elif enabled avr32; then

  4131. 

  4132.     case $cpu in

  4133.         ap7[02]0[0-2])

  4134.             subarch="avr32_ap"

  4135.             cpuflags="-mpart=$cpu"

  4136.         ;;

  4137.         ap)

  4138.             subarch="avr32_ap"

  4139.             cpuflags="-march=$cpu"

  4140.         ;;

  4141.         uc3[ab]*)

  4142.             subarch="avr32_uc"

  4143.             cpuflags="-mcpu=$cpu"

  4144.         ;;

  4145.         uc)

  4146.             subarch="avr32_uc"

  4147.             cpuflags="-march=$cpu"

  4148.         ;;

  4149.     esac

  4150. 

  4151. elif enabled bfin; then

  4152. 

  4153.     cpuflags="-mcpu=$cpu"

  4154. 

  4155. elif enabled mips; then

  4156. 

  4157.     cpuflags="-march=$cpu"

  4158. 

  4159.     case $cpu in

  4160.         24kc)

  4161.             disable mips32r6

  4162.             disable mips64r2

  4163.             disable mips64r6

  4164.             disable mipsfpu

  4165.             disable mipsdsp

  4166.             disable mipsdspr2

  4167.             disable msa

  4168.         ;;

  4169.         24kf*)

  4170.             disable mips32r6

  4171.             disable mips64r2

  4172.             disable mips64r6

  4173.             disable mipsdsp

  4174.             disable mipsdspr2

  4175.             disable msa

  4176.         ;;

  4177.         24kec|34kc|1004kc)

  4178.             disable mips32r6

  4179.             disable mips64r2

  4180.             disable mips64r6

  4181.             disable mipsfpu

  4182.             disable mipsdspr2

  4183.             disable msa

  4184.         ;;

  4185.         24kef*|34kf*|1004kf*)

  4186.             disable mips32r6

  4187.             disable mips64r2

  4188.             disable mips64r6

  4189.             disable mipsdspr2

  4190.             disable msa

  4191.         ;;

  4192.         74kc)

  4193.             disable mips32r6

  4194.             disable mips64r2

  4195.             disable mips64r6

  4196.             disable mipsfpu

  4197.             disable msa

  4198.         ;;

  4199.         74kf)

  4200.             disable mips32r6

  4201.             disable mips64r2

  4202.             disable mips64r6

  4203.             disable msa

  4204.         ;;

  4205.         p5600)

  4206.             disable mips32r6

  4207.             disable mips64r2

  4208.             disable mips64r6

  4209.             disable mipsdsp

  4210.             disable mipsdspr2

  4211.             check_cflags "-mtune=p5600" &&

  4212.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4213.             add_asflags "-mfp64"

  4214.         ;;

  4215.         i6400)

  4216.             disable mips32r2

  4217.             disable mips32r6

  4218.             disable mips64r2

  4219.             disable mipsdsp

  4220.             disable mipsdspr2

  4221.             check_cflags "-mtune=i6400 -mabi=64" &&

  4222.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4223.             check_ldflags "-mabi=64" &&

  4224.             add_asflags "-mfp64"

  4225.         ;;

  4226.         loongson*)

  4227.             disable mips32r2

  4228.             disable mips32r6

  4229.             disable mips64r2

  4230.             disable mips64r6

  4231.             disable mipsfpu

  4232.             disable mipsdsp

  4233.             disable mipsdspr2

  4234.             disable msa

  4235.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4236.             enable simd_align_16

  4237.             enable fast_64bit

  4238.             enable fast_clz

  4239.             enable fast_cmov

  4240.             enable fast_unaligned

  4241.             disable aligned_stack

  4242.             case $cpu in

  4243.                 loongson3*)

  4244.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4245.                 ;;

  4246.                 loongson2e)

  4247.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4248.                 ;;

  4249.                 loongson2f)

  4250.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4251.                 ;;

  4252.             esac

  4253.         ;;

  4254.         generic)

  4255.             disable mips64r6

  4256.             disable msa

  4257.         ;;

  4258.         *)

  4259.             # Unknown CPU. Disable everything.

  4260.             warn "unknown CPU. Disabling all MIPS optimizations."

  4261.             disable mipsfpu

  4262.             disable mips32r2

  4263.             disable mips32r6

  4264.             disable mips64r2

  4265.             disable mips64r6

  4266.             disable mipsdsp

  4267.             disable mipsdspr2

  4268.             disable msa

  4269.         ;;

  4270.     esac

  4271. 

  4272. elif enabled ppc; then

  4273. 

  4274.     disable ldbrx

  4275. 

  4276.     case $(tolower $cpu) in

  4277.         601|ppc601|powerpc601)

  4278.             cpuflags="-mcpu=601"

  4279.             disable altivec

  4280.         ;;

  4281.         603*|ppc603*|powerpc603*)

  4282.             cpuflags="-mcpu=603"

  4283.             disable altivec

  4284.         ;;

  4285.         604*|ppc604*|powerpc604*)

  4286.             cpuflags="-mcpu=604"

  4287.             disable altivec

  4288.         ;;

  4289.         g3|75*|ppc75*|powerpc75*)

  4290.             cpuflags="-mcpu=750"

  4291.             disable altivec

  4292.         ;;

  4293.         g4|745*|ppc745*|powerpc745*)

  4294.             cpuflags="-mcpu=7450"

  4295.             disable vsx

  4296.         ;;

  4297.         74*|ppc74*|powerpc74*)

  4298.             cpuflags="-mcpu=7400"

  4299.             disable vsx

  4300.         ;;

  4301.         g5|970|ppc970|powerpc970)

  4302.             cpuflags="-mcpu=970"

  4303.             disable vsx

  4304.         ;;

  4305.         power[3-6]*)

  4306.             cpuflags="-mcpu=$cpu"

  4307.             disable vsx

  4308.         ;;

  4309.         power[7-8]*)

  4310.             cpuflags="-mcpu=$cpu"

  4311.         ;;

  4312.         cell)

  4313.             cpuflags="-mcpu=cell"

  4314.             enable ldbrx

  4315.             disable vsx

  4316.         ;;

  4317.         e500mc)

  4318.             cpuflags="-mcpu=e500mc"

  4319.             disable altivec

  4320.         ;;

  4321.         e500v2)

  4322.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4323.             disable altivec

  4324.             disable dcbzl

  4325.         ;;

  4326.         e500)

  4327.             cpuflags="-mcpu=8540 -mhard-float"

  4328.             disable altivec

  4329.             disable dcbzl

  4330.         ;;

  4331.     esac

  4332. 

  4333. elif enabled sparc; then

  4334. 

  4335.     case $cpu in

  4336.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4337.             cpuflags="-mcpu=$cpu"

  4338.         ;;

  4339.         ultrasparc*|niagara[234])

  4340.             cpuflags="-mcpu=$cpu"

  4341.         ;;

  4342.     esac

  4343. 

  4344. elif enabled x86; then

  4345. 

  4346.     case $cpu in

  4347.         i[345]86|pentium)

  4348.             cpuflags="-march=$cpu"

  4349.             disable i686

  4350.             disable mmx

  4351.         ;;

  4352.         # targets that do NOT support nopl and conditional mov (cmov)

  4353.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4354.             cpuflags="-march=$cpu"

  4355.             disable i686

  4356.         ;;

  4357.         # targets that do support nopl and conditional mov (cmov)

  4358.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4359.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4360.             cpuflags="-march=$cpu"

  4361.             enable i686

  4362.             enable fast_cmov

  4363.         ;;

  4364.         # targets that do support conditional mov but on which it's slow

  4365.         pentium4|pentium4m|prescott|nocona)

  4366.             cpuflags="-march=$cpu"

  4367.             enable i686

  4368.             disable fast_cmov

  4369.         ;;

  4370.     esac

  4371. 

  4372. fi

  4373. 

  4374. if [ "$cpu" != generic ]; then

  4375.     add_cflags  $cpuflags

  4376.     add_asflags $cpuflags

  4377.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4378. fi

  4379. 

  4380. # compiler sanity check

  4381. check_exec <<EOF

  4382. int main(void){ return 0; }

  4383. EOF

  4384. if test "$?" != 0; then

  4385.     echo "$cc is unable to create an executable file."

  4386.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4387.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4388.         echo "Only do this if you know what cross compiling means."

  4389.     fi

  4390.     die "C compiler test failed."

  4391. fi

  4392. 

  4393. add_cppflags -D_ISOC99_SOURCE

  4394. add_cxxflags -D__STDC_CONSTANT_MACROS

  4395. check_cflags -std=c99

  4396. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4397. #include <stdlib.h>

  4398. EOF

  4399. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4400. #include <stdlib.h>

  4401. EOF

  4402. 

  4403. add_host_cppflags -D_ISOC99_SOURCE

  4404. check_host_cflags -std=c99

  4405. check_host_cflags -Wall

  4406. check_host_cflags -O3

  4407. 

  4408. check_64bit(){

  4409.     arch32=$1

  4410.     arch64=$2

  4411.     expr=$3

  4412.     check_code cc "" "int test[2*($expr) - 1]" &&

  4413.         subarch=$arch64 || subarch=$arch32

  4414. }

  4415. 

  4416. case "$arch" in

  4417.     aarch64|alpha|ia64)

  4418.         spic=$shared

  4419.     ;;

  4420.     mips)

  4421.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4422.         spic=$shared

  4423.     ;;

  4424.     parisc)

  4425.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4426.         spic=$shared

  4427.     ;;

  4428.     ppc)

  4429.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4430.         spic=$shared

  4431.     ;;

  4432.     s390)

  4433.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4434.         spic=$shared

  4435.     ;;

  4436.     sparc)

  4437.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4438.         spic=$shared

  4439.     ;;

  4440.     x86)

  4441.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4442.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4443.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4444.             subarch=x86_64

  4445.         if test "$subarch" = "x86_64"; then

  4446.             spic=$shared

  4447.         fi

  4448.     ;;

  4449.     ppc)

  4450.         check_cc <<EOF && subarch="ppc64"

  4451.         int test[(int)sizeof(char*) - 7];

  4452. EOF

  4453.     ;;

  4454. esac

  4455. 

  4456. enable $subarch

  4457. enabled spic && enable_weak pic

  4458. 

  4459. # OS specific

  4460. case $target_os in

  4461.     aix)

  4462.         SHFLAGS=-shared

  4463.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4464.         enabled shared && add_ldflags -Wl,-brtl

  4465.         ;;

  4466.     android)

  4467.         disable symver

  4468.         enable section_data_rel_ro

  4469.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4470.         SLIB_INSTALL_LINKS=

  4471.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4472.         ;;

  4473.     haiku)

  4474.         prefix_default="/boot/common"

  4475.         network_extralibs="-lnetwork"

  4476.         host_libs=

  4477.         ;;

  4478.     sunos)

  4479.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4480.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4481.         network_extralibs="-lsocket -lnsl"

  4482.         add_cppflags -D__EXTENSIONS__

  4483.         # When using suncc to build, the Solaris linker will mark

  4484.         # an executable with each instruction set encountered by

  4485.         # the Solaris assembler.  As our libraries contain their own

  4486.         # guards for processor-specific code, instead suppress

  4487.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4488.         enabled_all suncc x86 &&

  4489.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4490.             add_ldflags -Wl,-M,mapfile

  4491.         nm_default='nm -P -g'

  4492.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4493.         ;;

  4494.     netbsd)

  4495.         disable symver

  4496.         oss_indev_extralibs="-lossaudio"

  4497.         oss_outdev_extralibs="-lossaudio"

  4498.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4499.         ;;

  4500.     openbsd|bitrig)

  4501.         disable symver

  4502.         SHFLAGS='-shared'

  4503.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4504.         SLIB_INSTALL_LINKS=

  4505.         oss_indev_extralibs="-lossaudio"

  4506.         oss_outdev_extralibs="-lossaudio"

  4507.         ;;

  4508.     dragonfly)

  4509.         disable symver

  4510.         ;;

  4511.     freebsd)

  4512.         ;;

  4513.     bsd/os)

  4514.         add_extralibs -lpoll -lgnugetopt

  4515.         strip="strip -d"

  4516.         ;;

  4517.     darwin)

  4518.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4519.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4520.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4521.         strip="${strip} -x"

  4522.         add_ldflags -Wl,-dynamic,-search_paths_first

  4523.         SLIBSUF=".dylib"

  4524.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4525.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4526.         objformat="macho"

  4527.         enabled x86_64 && objformat="macho64"

  4528.         enabled_any pic shared x86_64 ||

  4529.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4530.         ;;

  4531.     msys*)

  4532.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4533.         ;;

  4534.     mingw32*|mingw64*)

  4535.         if test $target_os = "mingw32ce"; then

  4536.             disable network

  4537.         else

  4538.             target_os=mingw32

  4539.         fi

  4540.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4541.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4542.         LIBTARGET=i386

  4543.         if enabled x86_64; then

  4544.             LIBTARGET="i386:x86-64"

  4545.         elif enabled arm; then

  4546.             LIBTARGET=arm-wince

  4547.         fi

  4548.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4549.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4550.         shlibdir_default="$bindir_default"

  4551.         SLIBPREF=""

  4552.         SLIBSUF=".dll"

  4553.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4554.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4555.         dlltool="${cross_prefix}dlltool"

  4556.         if check_cmd lib.exe -list; then

  4557.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4558.             if enabled x86_64; then

  4559.                 LIBTARGET=x64

  4560.             fi

  4561.         elif check_cmd $dlltool --version; then

  4562.             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)'

  4563.         fi

  4564.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4565.         SLIB_INSTALL_LINKS=

  4566.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4567.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4568.         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'

  4569.         objformat="win32"

  4570.         ranlib=:

  4571.         enable dos_paths

  4572.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4573.         # Lets work around some stupidity in binutils.

  4574.         # ld will strip relocations from executables even though we need them

  4575.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4576.         # however ld then forgets what the entry point should be (oops) so we

  4577.         # have to manually (re)set it.

  4578.         if enabled x86_32; then

  4579.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4580.         elif enabled x86_64; then

  4581.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4582.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4583.             # Set image base >4GB for extra entropy with HEASLR

  4584.             add_ldexeflags -Wl,--image-base,0x140000000

  4585.             append SHFLAGS -Wl,--image-base,0x180000000

  4586.         fi

  4587.         ;;

  4588.     win32|win64)

  4589.         disable symver

  4590.         if enabled shared; then

  4591.             # Link to the import library instead of the normal static library

  4592.             # for shared libs.

  4593.             LD_LIB='%.lib'

  4594.             # Cannot build both shared and static libs with MSVC or icl.

  4595.             disable static

  4596.         fi

  4597.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4598.         shlibdir_default="$bindir_default"

  4599.         SLIBPREF=""

  4600.         SLIBSUF=".dll"

  4601.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4602.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4603.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4604.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4605.         SLIB_INSTALL_LINKS=

  4606.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4607.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4608.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4609.         objformat="win32"

  4610.         ranlib=:

  4611.         enable dos_paths

  4612.         ;;

  4613.     cygwin*)

  4614.         target_os=cygwin

  4615.         shlibdir_default="$bindir_default"

  4616.         SLIBPREF="cyg"

  4617.         SLIBSUF=".dll"

  4618.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4619.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4620.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4621.         SLIB_INSTALL_LINKS=

  4622.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4623.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4624.         objformat="win32"

  4625.         enable dos_paths

  4626.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4627.         ;;

  4628.     *-dos|freedos|opendos)

  4629.         network_extralibs="-lsocket"

  4630.         objformat="coff"

  4631.         enable dos_paths

  4632.         add_cppflags -U__STRICT_ANSI__

  4633.         ;;

  4634.     linux)

  4635.         enable dv1394

  4636.         enable section_data_rel_ro

  4637.         ;;

  4638.     irix*)

  4639.         target_os=irix

  4640.         ranlib="echo ignoring ranlib"

  4641.         ;;

  4642.     os/2*)

  4643.         strip="lxlite -CS"

  4644.         ln_s="cp -f"

  4645.         objformat="aout"

  4646.         add_cppflags -D_GNU_SOURCE

  4647.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4648.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4649.         LIBSUF="_s.a"

  4650.         SLIBPREF=""

  4651.         SLIBSUF=".dll"

  4652.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4653.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4654.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4655.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4656.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4657.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4658.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4659.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4660.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4661.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4662.         enable dos_paths

  4663.         enable_weak os2threads

  4664.         ;;

  4665.     gnu/kfreebsd)

  4666.         add_cppflags -D_BSD_SOURCE

  4667.         ;;

  4668.     gnu)

  4669.         ;;

  4670.     qnx)

  4671.         add_cppflags -D_QNX_SOURCE

  4672.         network_extralibs="-lsocket"

  4673.         ;;

  4674.     symbian)

  4675.         SLIBSUF=".dll"

  4676.         enable dos_paths

  4677.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4678.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4679.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4680.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4681.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4682.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4683.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4684.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4685.         ;;

  4686.     osf1)

  4687.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4688.         ;;

  4689.     minix)

  4690.         ;;

  4691.     plan9)

  4692.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4693.                      -D_REENTRANT_SOURCE        \

  4694.                      -D_RESEARCH_SOURCE         \

  4695.                      -DFD_SETSIZE=96            \

  4696.                      -DHAVE_SOCK_OPTS

  4697.         add_compat strtod.o strtod=avpriv_strtod

  4698.         network_extralibs='-lbsd'

  4699.         exeobjs=compat/plan9/main.o

  4700.         disable ffserver

  4701.         cp_f='cp'

  4702.         ;;

  4703.     none)

  4704.         ;;

  4705.     *)

  4706.         die "Unknown OS '$target_os'."

  4707.         ;;

  4708. esac

  4709. 

  4710. # test if creating links works

  4711. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4712. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4713. mkdir "$link_dest"

  4714. $ln_s "$link_dest" "$link_name"

  4715. touch "$link_dest/test_file"

  4716. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4717.     # create link to source path

  4718.     [ -e src ] && rm src

  4719.     $ln_s "$source_path" src

  4720.     source_link=src

  4721. else

  4722.     # creating directory links doesn't work

  4723.     # fall back to using the full source path

  4724.     source_link="$source_path"

  4725. fi

  4726. # cleanup

  4727. rm -r "$link_dest"

  4728. rm -r "$link_name"

  4729. 

  4730. # determine libc flavour

  4731. 

  4732. probe_libc(){

  4733.     pfx=$1

  4734.     pfx_no_=${pfx%_}

  4735.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4736.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4737.         eval ${pfx}libc_type=uclibc

  4738.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4739.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4740.         eval ${pfx}libc_type=glibc

  4741.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4742.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4743.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4744.         eval ${pfx}libc_type=newlib

  4745.         add_${pfx}cppflags -U__STRICT_ANSI__

  4746.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4747.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4748.         eval ${pfx}libc_type=mingw64

  4749.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4750.             add_compat msvcrt/snprintf.o

  4751.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4752.         fi

  4753.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4754.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4755.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4756.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4757.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4758.         eval ${pfx}libc_type=mingw32

  4759.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4760.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4761.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4762.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4763.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4764.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4765.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4766.         eval ${pfx}libc_type=msvcrt

  4767.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4768.             if [ "$pfx" = host_ ]; then

  4769.                 add_host_cppflags -Dsnprintf=_snprintf

  4770.             else

  4771.                 add_compat strtod.o strtod=avpriv_strtod

  4772.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4773.                                              _snprintf=avpriv_snprintf  \

  4774.                                              vsnprintf=avpriv_vsnprintf

  4775.             fi

  4776.         fi

  4777.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4778.         # 0x601 by default unless something else is set by the user.

  4779.         # This can easily lead to us detecting functions only present

  4780.         # in such new versions and producing binaries requiring windows 7.0.

  4781.         # Therefore explicitly set the default to XP unless the user has

  4782.         # set something else on the command line.

  4783.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4784.         # family. For these cases, configure is free to use any functions

  4785.         # found in the SDK headers by default. (Alternatively, we could force

  4786.         # _WIN32_WINNT to 0x0602 in that case.)

  4787.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4788.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4789. #ifdef WINAPI_FAMILY

  4790. #include <winapifamily.h>

  4791. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4792. #error not desktop

  4793. #endif

  4794. #endif

  4795. EOF

  4796.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4797.         eval ${pfx}libc_type=klibc

  4798.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4799.         eval ${pfx}libc_type=bionic

  4800.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4801.         eval ${pfx}libc_type=solaris

  4802.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4803.     fi

  4804.     check_${pfx}cc <<EOF

  4805. #include <time.h>

  4806. void *v = localtime_r;

  4807. EOF

  4808. 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

  4809. #include <time.h>

  4810. void *v = localtime_r;

  4811. EOF

  4812. 

  4813. }

  4814. 

  4815. probe_libc

  4816. test -n "$libc_type" && enable libc_$libc_type

  4817. probe_libc host_

  4818. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4819. 

  4820. case $libc_type in

  4821.     bionic)

  4822.         add_compat strtod.o strtod=avpriv_strtod

  4823.         ;;

  4824. esac

  4825. 

  4826. # hacks for compiler/libc/os combinations

  4827. 

  4828. if enabled_all tms470 libc_glibc; then

  4829.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4830.     add_cppflags -D__USER_LABEL_PREFIX__=

  4831.     add_cppflags -D__builtin_memset=memset

  4832.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4833.     add_cflags   -pds=48    # incompatible redefinition of macro

  4834. fi

  4835. 

  4836. if enabled_all ccc libc_glibc; then

  4837.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4838. fi

  4839. 

  4840. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4841.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4842. 

  4843. esc(){

  4844.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4845. }

  4846. 

  4847. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4848. 

  4849. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4850. 

  4851. set_default libdir

  4852. : ${shlibdir_default:="$libdir"}

  4853. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4854. 

  4855. set_default $PATHS_LIST

  4856. set_default nm

  4857. 

  4858. # we need to build at least one lib type

  4859. if ! enabled_any static shared; then

  4860.     cat <<EOF

  4861. At least one library type must be built.

  4862. Specify --enable-static to build the static libraries or --enable-shared to

  4863. build the shared libraries as well. To only build the shared libraries specify

  4864. --disable-static in addition to --enable-shared.

  4865. EOF

  4866.     exit 1;

  4867. fi

  4868. 

  4869. die_license_disabled() {

  4870.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4871. }

  4872. 

  4873. die_license_disabled_gpl() {

  4874.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4875. }

  4876. 

  4877. die_license_disabled gpl frei0r

  4878. die_license_disabled gpl libcdio

  4879. die_license_disabled gpl librubberband

  4880. die_license_disabled gpl libsmbclient

  4881. die_license_disabled gpl libutvideo

  4882. die_license_disabled gpl libvidstab

  4883. die_license_disabled gpl libx264

  4884. die_license_disabled gpl libx265

  4885. die_license_disabled gpl libxavs

  4886. die_license_disabled gpl libxvid

  4887. die_license_disabled gpl x11grab

  4888. 

  4889. die_license_disabled nonfree cuda

  4890. die_license_disabled nonfree libfaac

  4891. die_license_disabled nonfree nvenc

  4892. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4893. enabled gpl && die_license_disabled_gpl nonfree openssl

  4894. 

  4895. die_license_disabled version3 gmp

  4896. die_license_disabled version3 libopencore_amrnb

  4897. die_license_disabled version3 libopencore_amrwb

  4898. die_license_disabled version3 libsmbclient

  4899. die_license_disabled version3 libvo_amrwbenc

  4900. 

  4901. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4902. 

  4903. disabled optimizations || check_cflags -fomit-frame-pointer

  4904. 

  4905. enable_weak_pic() {

  4906.     disabled pic && return

  4907.     enable pic

  4908.     add_cppflags -DPIC

  4909.     case "$target_os" in

  4910.     mingw*|cygwin*)

  4911.         ;;

  4912.     *)

  4913.         add_cflags -fPIC

  4914.         ;;

  4915.     esac

  4916.     add_asflags  -fPIC

  4917. }

  4918. 

  4919. enabled pic && enable_weak_pic

  4920. 

  4921. check_cc <<EOF || die "Symbol mangling check failed."

  4922. int ff_extern;

  4923. EOF

  4924. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4925. extern_prefix=${sym%%ff_extern*}

  4926. 

  4927. check_cc <<EOF && enable_weak inline_asm

  4928. void foo(void) { __asm__ volatile ("" ::); }

  4929. EOF

  4930. 

  4931. _restrict=

  4932. for restrict_keyword in restrict __restrict__ __restrict; do

  4933.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4934. void foo(char * $restrict_keyword p);

  4935. EOF

  4936. done

  4937. 

  4938. check_cc <<EOF && enable pragma_deprecated

  4939. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4940. EOF

  4941. 

  4942. check_cc <<EOF && enable attribute_packed

  4943. struct { int x; } __attribute__((packed)) x;

  4944. EOF

  4945. 

  4946. check_cc <<EOF && enable attribute_may_alias

  4947. union { int x; } __attribute__((may_alias)) x;

  4948. EOF

  4949. 

  4950. check_cc <<EOF || die "endian test failed"

  4951. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4952. EOF

  4953. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4954. 

  4955. if ! enabled ppc64 || enabled bigendian; then

  4956.     disable vsx

  4957. fi

  4958. 

  4959. check_gas() {

  4960.     log "check_gas using '$as' as AS"

  4961.     # :vararg is used on aarch64, arm and ppc altivec

  4962.     check_as <<EOF || return 1

  4963. .macro m n, y:vararg=0

  4964. \n: .int \y

  4965. .endm

  4966. m x

  4967. EOF

  4968.     # .altmacro is only used in arm asm

  4969.     ! enabled arm || check_as <<EOF || return 1

  4970. .altmacro

  4971. EOF

  4972.     enable gnu_as

  4973.     return 0

  4974. }

  4975. 

  4976. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4977.     nogas=:

  4978.     enabled_any arm aarch64 && nogas=die

  4979.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4980.     as_noop=-v

  4981. 

  4982.     case $as_type in

  4983.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4984.         gcc)  gaspp_as_type=gas ;;

  4985.         *)    gaspp_as_type=$as_type ;;

  4986.     esac

  4987. 

  4988.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4989. 

  4990.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4991.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4992.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4993. 

  4994.     if ! check_gas ; then

  4995.         as=${gas:=$as}

  4996.         check_gas || \

  4997.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4998.     fi

  4999. 

  5000.     check_as <<EOF && enable as_func

  5001. .func test

  5002. .endfunc

  5003. EOF

  5004. fi

  5005. 

  5006. check_inline_asm inline_asm_labels '"1:\n"'

  5007. 

  5008. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5009. 

  5010. if enabled aarch64; then

  5011.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5012.     # internal assembler in clang 3.3 does not support this instruction

  5013.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5014.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5015. 

  5016.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5017. 

  5018. elif enabled alpha; then

  5019. 

  5020.     check_cflags -mieee

  5021. 

  5022. elif enabled arm; then

  5023. 

  5024.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5025. 

  5026.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5027. float func(float a, float b){ return a+b; }

  5028. EOF

  5029. 

  5030.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5031. 

  5032.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5033.         enable vfp_args

  5034.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5035.         enable vfp_args

  5036.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5037.         case "${cross_prefix:-$cc}" in

  5038.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5039.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5040. __asm__ (".eabi_attribute 28, 1");

  5041. int main(void) { return 0; }

  5042. EOF

  5043.         esac

  5044.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5045.     fi

  5046. 

  5047.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5048.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5049.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5050.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5051.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5052.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5053.     enabled setend  && check_insn setend  'setend be'

  5054. 

  5055.     [ $target_os = linux ] || [ $target_os = android ] ||

  5056.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5057.             $ARCH_EXT_LIST_ARM

  5058. 

  5059.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5060. 

  5061.     check_as <<EOF && enable as_dn_directive

  5062. ra .dn d0.i16

  5063. .unreq ra

  5064. EOF

  5065. 

  5066.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5067.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5068. .object_arch armv4

  5069. EOF

  5070. 

  5071.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5072. 

  5073. elif enabled mips; then

  5074. 

  5075.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5076.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5077.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5078. 

  5079.     # Enable minimum ISA based on selected options

  5080.     if enabled mips64 && (enabled mipsdsp || enabled mipsdspr2); then

  5081.         add_cflags "-mips64r2"

  5082.         add_asflags "-mips64r2"

  5083.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  5084.         add_cflags "-mips64"

  5085.         add_asflags "-mips64"

  5086.     elif enabled mipsdsp || enabled mipsdspr2; then

  5087.         add_cflags "-mips32r2 -mfp32"

  5088.         add_asflags "-mips32r2 -mfp32"

  5089.     fi

  5090. 

  5091.     enabled mipsdsp && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  5092.      check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"'

  5093.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  5094.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  5095.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  5096.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  5097.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  5098.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  5099. 

  5100.     enabled msa && add_asflags "-mmsa"

  5101. 

  5102. elif enabled parisc; then

  5103. 

  5104.     if enabled gcc; then

  5105.         case $($cc -dumpversion) in

  5106.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5107.         esac

  5108.     fi

  5109. 

  5110. elif enabled ppc; then

  5111. 

  5112.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5113. 

  5114.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5115.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5116.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5117.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5118. 

  5119.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5120.     if enabled altivec; then

  5121.         check_cflags -maltivec -mabi=altivec &&

  5122.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5123.         check_cflags -faltivec

  5124. 

  5125.         # check if our compiler supports Motorola AltiVec C API

  5126.         check_cc <<EOF || disable altivec

  5127. $inc_altivec_h

  5128. int main(void) {

  5129.     vector signed int v1 = (vector signed int) { 0 };

  5130.     vector signed int v2 = (vector signed int) { 1 };

  5131.     v1 = vec_add(v1, v2);

  5132.     return 0;

  5133. }

  5134. EOF

  5135. 

  5136.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5137.     fi

  5138. 

  5139.     if enabled vsx; then

  5140.         check_cflags -mvsx &&

  5141.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5142.     fi

  5143. 

  5144.     if enabled power8; then

  5145.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5146.     fi

  5147. 

  5148. elif enabled x86; then

  5149. 

  5150.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5151.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5152. 

  5153.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5154. 

  5155.     # check whether EBP is available on x86

  5156.     # As 'i' is stored on the stack, this program will crash

  5157.     # if the base pointer is used to access it because the

  5158.     # base pointer is cleared in the inline assembly code.

  5159.     check_exec_crash <<EOF && enable ebp_available

  5160. volatile int i=0;

  5161. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5162. return i;

  5163. EOF

  5164. 

  5165.     # check whether EBX is available on x86

  5166.     check_inline_asm ebx_available '""::"b"(0)' &&

  5167.         check_inline_asm ebx_available '"":::"%ebx"'

  5168. 

  5169.     # check whether xmm clobbers are supported

  5170.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5171. 

  5172.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5173.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5174. 

  5175.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5176.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5177.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5178. 

  5179.     if ! disabled_any asm mmx yasm; then

  5180.         if check_cmd $yasmexe --version; then

  5181.             enabled x86_64 && yasm_extra="-m amd64"

  5182.             yasm_debug="-g dwarf2"

  5183.         elif check_cmd nasm -v; then

  5184.             yasmexe=nasm

  5185.             yasm_debug="-g -F dwarf"

  5186.             if enabled x86_64; then

  5187.                 case "$objformat" in

  5188.                     elf)   objformat=elf64 ;;

  5189.                     win32) objformat=win64 ;;

  5190.                 esac

  5191.             fi

  5192.         fi

  5193. 

  5194.         YASMFLAGS="-f $objformat $yasm_extra"

  5195.         enabled pic               && append YASMFLAGS "-DPIC"

  5196.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5197.         case "$objformat" in

  5198.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5199.         esac

  5200. 

  5201.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5202.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5203.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5204.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5205.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5206.         check_yasm "CPU amdnop" || disable cpunop

  5207.     fi

  5208. 

  5209.     case "$cpu" in

  5210.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5211.             disable fast_clz

  5212.         ;;

  5213.     esac

  5214. 

  5215. fi

  5216. 

  5217. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5218. 

  5219. check_ldflags -Wl,--as-needed

  5220. check_ldflags -Wl,-z,noexecstack

  5221. 

  5222. if check_func dlopen; then

  5223.     ldl=

  5224. elif check_func dlopen -ldl; then

  5225.     ldl=-ldl

  5226. fi

  5227. 

  5228. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5229. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5230. frei0r_filter_extralibs='$ldl'

  5231. frei0r_src_filter_extralibs='$ldl'

  5232. ladspa_filter_extralibs='$ldl'

  5233. nvenc_encoder_extralibs='$ldl'

  5234. 

  5235. if ! disabled network; then

  5236.     check_func getaddrinfo $network_extralibs

  5237.     check_func inet_aton $network_extralibs

  5238. 

  5239.     check_type netdb.h "struct addrinfo"

  5240.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5241.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5242.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5243.     check_type poll.h "struct pollfd"

  5244.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5245.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5246.     check_type netinet/in.h "struct sockaddr_in6"

  5247.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5248.     check_type "sys/types.h sys/socket.h" socklen_t

  5249. 

  5250.     # Prefer arpa/inet.h over winsock2

  5251.     if check_header arpa/inet.h ; then

  5252.         check_func closesocket

  5253.     elif check_header winsock2.h ; then

  5254.         check_func_headers winsock2.h closesocket -lws2 &&

  5255.             network_extralibs="-lws2" ||

  5256.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5257.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5258.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5259. 

  5260.         check_type ws2tcpip.h socklen_t

  5261.         check_type ws2tcpip.h "struct addrinfo"

  5262.         check_type ws2tcpip.h "struct group_source_req"

  5263.         check_type ws2tcpip.h "struct ip_mreq_source"

  5264.         check_type ws2tcpip.h "struct ipv6_mreq"

  5265.         check_type winsock2.h "struct pollfd"

  5266.         check_struct winsock2.h "struct sockaddr" sa_len

  5267.         check_type ws2tcpip.h "struct sockaddr_in6"

  5268.         check_type ws2tcpip.h "struct sockaddr_storage"

  5269.     else

  5270.         disable network

  5271.     fi

  5272. fi

  5273. 

  5274. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5275. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5276. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5277. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5278. check_builtin sarestart signal.h "SA_RESTART"

  5279. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5280. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5281. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5282. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5283. 

  5284. case "$custom_allocator" in

  5285.     jemalloc)

  5286.         # jemalloc by default does not use a prefix

  5287.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5288.     ;;

  5289.     tcmalloc)

  5290.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5291.         malloc_prefix=tc_

  5292.     ;;

  5293. esac

  5294. 

  5295. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5296. check_func  ${malloc_prefix}memalign            && enable memalign

  5297. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5298. 

  5299. check_func  access

  5300. check_func  arc4random

  5301. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5302. check_func  fcntl

  5303. check_func  fork

  5304. check_func  gethrtime

  5305. check_func  getopt

  5306. check_func  getrusage

  5307. check_func  gettimeofday

  5308. check_func  isatty

  5309. check_func  mach_absolute_time

  5310. check_func  mkstemp

  5311. check_func  mmap

  5312. check_func  mprotect

  5313. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5314. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5315. check_func  sched_getaffinity

  5316. check_func  setrlimit

  5317. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5318. check_func  strerror_r

  5319. check_func  sysconf

  5320. check_func  sysctl

  5321. check_func  usleep

  5322. 

  5323. check_func_headers conio.h kbhit

  5324. check_func_headers io.h setmode

  5325. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5326. check_func_headers stdlib.h getenv

  5327. check_func_headers sys/stat.h lstat

  5328. 

  5329. check_func_headers windows.h CoTaskMemFree -lole32

  5330. check_func_headers windows.h GetProcessAffinityMask

  5331. check_func_headers windows.h GetProcessTimes

  5332. check_func_headers windows.h GetSystemTimeAsFileTime

  5333. check_func_headers windows.h MapViewOfFile

  5334. check_func_headers windows.h PeekNamedPipe

  5335. check_func_headers windows.h SetConsoleTextAttribute

  5336. check_func_headers windows.h SetConsoleCtrlHandler

  5337. check_func_headers windows.h Sleep

  5338. check_func_headers windows.h VirtualAlloc

  5339. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5340. check_func_headers glob.h glob

  5341. enabled xlib &&

  5342.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5343. 

  5344. check_header dispatch/dispatch.h

  5345. check_header direct.h

  5346. check_header dirent.h

  5347. check_header dlfcn.h

  5348. check_header d3d11.h

  5349. check_header dxva.h

  5350. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5351. check_header io.h

  5352. check_header libcrystalhd/libcrystalhd_if.h

  5353. check_header mach/mach_time.h

  5354. check_header malloc.h

  5355. check_header net/udplite.h

  5356. check_header poll.h

  5357. check_header sys/mman.h

  5358. check_header sys/param.h

  5359. check_header sys/resource.h

  5360. check_header sys/select.h

  5361. check_header sys/time.h

  5362. check_header sys/un.h

  5363. check_header termios.h

  5364. check_header unistd.h

  5365. check_header valgrind/valgrind.h

  5366. check_header vdpau/vdpau.h

  5367. check_header vdpau/vdpau_x11.h

  5368. check_header VideoDecodeAcceleration/VDADecoder.h

  5369. check_header VideoToolbox/VideoToolbox.h

  5370. check_header windows.h

  5371. check_header X11/extensions/XvMClib.h

  5372. check_header asm/types.h

  5373. 

  5374. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5375. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5376. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5377. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5378. 

  5379. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5380. 

  5381. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5382. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5383. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5384. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5385. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5386. 

  5387. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5388. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5389. 

  5390. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5391. 

  5392. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5393. 

  5394. if ! disabled w32threads && ! enabled pthreads; then

  5395.     check_func_headers "windows.h process.h" _beginthreadex &&

  5396.         enable w32threads || disable w32threads

  5397.     if ! enabled w32threads && enabled winrt; then

  5398.         check_func_headers "windows.h" CreateThread &&

  5399.             enable w32threads || disable w32threads

  5400.     fi

  5401. fi

  5402. 

  5403. # check for some common methods of building with pthread support

  5404. # do this before the optional library checks as some of them require pthreads

  5405. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5406.     enable pthreads

  5407.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5408.         add_cflags -pthread

  5409.         add_extralibs -pthread

  5410.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5411.         add_cflags -pthreads

  5412.         add_extralibs -pthreads

  5413.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5414.         add_cflags -ldl -pthread

  5415.         add_extralibs -ldl -pthread

  5416.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5417.         add_extralibs -lpthreadGC2

  5418.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5419.         :

  5420.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5421.         disable pthreads

  5422.     fi

  5423.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5424. fi

  5425. 

  5426. 

  5427. if enabled pthreads; then

  5428.   check_func pthread_cancel

  5429. fi

  5430. 

  5431. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5432. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5433. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5434. 

  5435. check_lib math.h sin -lm && LIBM="-lm"

  5436. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5437. 

  5438. atan2f_args=2

  5439. copysign_args=2

  5440. hypot_args=2

  5441. ldexpf_args=2

  5442. powf_args=2

  5443. 

  5444. for func in $MATH_FUNCS; do

  5445.     eval check_mathfunc $func \${${func}_args:-1}

  5446. done

  5447. 

  5448. for func in $COMPLEX_FUNCS; do

  5449.     eval check_complexfunc $func \${${func}_args:-1}

  5450. done

  5451. 

  5452. # these are off by default, so fail if requested and not available

  5453. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5454. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5455.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5456. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5457.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5458.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5459. enabled cuda              && check_lib cuda.h cuInit -lcuda

  5460. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5461. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5462. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5463. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5464. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5465. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5466. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5467. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5468. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5469. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5470. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5471.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5472.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5473. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5474. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5475. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5476. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5477.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5478.                                  warn "using libfdk without pkg-config"; } }

  5479. 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"

  5480. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5481. enabled fontconfig        && enable libfontconfig

  5482. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5483. enabled libfreetype       && require_libfreetype

  5484. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5485. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5486. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5487.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5488.                                done || die "ERROR: libgsm not found"; }

  5489. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5490. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5491. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5492. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5493. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5494. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5495. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5496. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5497. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5498.                                require_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5499.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5500. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5501. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5502.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5503.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5504.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5505.                                die "ERROR: libopenjpeg not found"; }

  5506. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5507. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5508. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5509. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5510. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5511. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5512. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5513.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5514. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5515. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5516. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5517. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5518. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5519. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5520. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5521.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5522.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5523. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5524. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5525. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5526. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5527. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5528. 

  5529. enabled libvpx            && {

  5530.     enabled libvpx_vp8_decoder && {

  5531.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5532.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5533.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5534.     }

  5535.     enabled libvpx_vp8_encoder && {

  5536.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5537.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5538.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5539.     }

  5540.     enabled libvpx_vp9_decoder && {

  5541.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5542.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5543.                 disable libvpx_vp9_decoder;

  5544.     }

  5545.     enabled libvpx_vp9_encoder && {

  5546.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5547.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5548.                 disable libvpx_vp9_encoder;

  5549.     }

  5550.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5551.         die "libvpx enabled but no supported decoders found"

  5552.     fi

  5553. }

  5554. 

  5555. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5556. enabled libwebp           && {

  5557.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5558.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5559. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5560.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5561.                                  warn "using libx264 without pkg-config"; } } &&

  5562.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5563.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5564.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5565.                                enable libx262; }

  5566. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5567.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5568.                                die "ERROR: libx265 version must be >= 68."; }

  5569. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5570. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5571. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5572. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5573. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5574.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5575.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5576. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5577.                                 { ! enabled cross_compile && {

  5578.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5579.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5580.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5581.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5582.                                die "ERROR: mmal not found"; }

  5583. enabled mmal &&

  5584.     (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||

  5585.      die "ERROR: mmal firmware headers too old")

  5586. 

  5587. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5588. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5589.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5590.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5591.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5592. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5593.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5594.                                die "ERROR: openal not found"; } &&

  5595.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5596.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5597. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5598.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5599.                                die "ERROR: opencl not found"; } &&

  5600.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5601.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5602.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5603. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5604.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5605.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5606.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5607.                                die "ERROR: opengl not found."

  5608.                              }

  5609. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5610.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5611.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5612.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5613.                                die "ERROR: openssl not found"; }

  5614. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5615. 

  5616. # libdc1394 check

  5617. if enabled libdc1394; then

  5618.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5619.         enable libdc1394_2; } ||

  5620.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5621.         enable libdc1394_1; } ||

  5622.     die "ERROR: No version of libdc1394 found "

  5623. fi

  5624. 

  5625. if enabled gcrypt; then

  5626.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5627.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5628.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5629.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5630.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5631.             die "ERROR: gcrypt not found"

  5632.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5633.     else

  5634.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5635.     fi

  5636. fi

  5637. 

  5638. if ! disabled sdl; then

  5639.     SDL_CONFIG="${cross_prefix}sdl-config"

  5640.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5641.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5642.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5643.         enable sdl

  5644.     else

  5645.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5646.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5647.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5648.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5649.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5650.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5651.             enable sdl

  5652.         elif enabled sdl ; then

  5653.             die "ERROR: SDL not found"

  5654.         else

  5655.             disable sdl

  5656.         fi

  5657.     fi

  5658.     if test $target_os = "mingw32"; then

  5659.         sdl_libs="$sdl_libs -mconsole"

  5660.     fi

  5661. fi

  5662. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5663. 

  5664. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5665.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5666.     enable securetransport; }

  5667. 

  5668. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5669.                        enable schannel && add_extralibs -lSecur32; }

  5670. 

  5671. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5672. enabled makeinfo \

  5673.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5674.     && enable makeinfo_html || disable makeinfo_html

  5675. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5676. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5677. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5678. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5679. 

  5680. check_header linux/fb.h

  5681. check_header linux/videodev.h

  5682. check_header linux/videodev2.h

  5683. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5684. 

  5685. check_header sys/videoio.h

  5686. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5687. 

  5688. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5689. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5690. # w32api 3.12 had it defined wrong

  5691. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5692. 

  5693. check_type "dshow.h" IBaseFilter

  5694. 

  5695. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5696. { check_header dev/bktr/ioctl_meteor.h &&

  5697.   check_header dev/bktr/ioctl_bt848.h; } ||

  5698. { check_header machine/ioctl_meteor.h &&

  5699.   check_header machine/ioctl_bt848.h; } ||

  5700. { check_header dev/video/meteor/ioctl_meteor.h &&

  5701.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5702. check_header dev/ic/bt8xx.h

  5703. 

  5704. check_header sndio.h

  5705. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5706.     enable_safe sys/soundcard.h

  5707. else

  5708.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5709.     #include <sys/soundcard.h>

  5710.     audio_buf_info abc;

  5711. EOF

  5712. fi

  5713. check_header soundcard.h

  5714. 

  5715. enabled_any alsa_indev alsa_outdev &&

  5716.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5717. 

  5718. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5719.     check_func jack_port_get_latency_range -ljack

  5720. 

  5721. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5722. 

  5723. if enabled libcdio; then

  5724.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5725.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5726.     die "ERROR: No usable libcdio/cdparanoia found"

  5727. fi

  5728. 

  5729. enabled xlib &&

  5730.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5731. 

  5732. if ! disabled libxcb; then

  5733.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5734.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5735.     } && disable x11grab && enable libxcb

  5736. 

  5737. if enabled libxcb; then

  5738.     disabled libxcb_shm || {

  5739.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5740.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5741.         } && check_header sys/shm.h && enable libxcb_shm; }

  5742. 

  5743.     disabled libxcb_xfixes || {

  5744.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5745.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5746.         } && enable libxcb_xfixes; }

  5747. 

  5748.     disabled libxcb_shape || {

  5749.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5750.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5751.         } && enable libxcb_shape; }

  5752. 

  5753.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5754.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5755. fi

  5756. fi

  5757. 

  5758. if enabled x11grab; then

  5759.     enabled xlib || die "ERROR: Xlib not found"

  5760.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5761.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5762. fi

  5763. 

  5764. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5765. 

  5766. enabled dxva2api_h &&

  5767.     check_cc <<EOF && enable dxva2api_cobj

  5768. #define _WIN32_WINNT 0x0600

  5769. #define COBJMACROS

  5770. #include <windows.h>

  5771. #include <d3d9.h>

  5772. #include <dxva2api.h>

  5773. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5774. EOF

  5775. 

  5776. enabled vaapi &&

  5777.     check_lib va/va.h vaInitialize -lva ||

  5778.     disable vaapi

  5779. 

  5780. enabled vaapi && enabled xlib &&

  5781.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5782.     enable vaapi_x11

  5783. 

  5784. enabled vdpau &&

  5785.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5786.     disable vdpau

  5787. 

  5788. enabled vdpau && enabled xlib &&

  5789.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5790.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5791.     enable vdpau_x11

  5792. 

  5793. # Funny iconv installations are not unusual, so check it after all flags have been set

  5794. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5795. 

  5796. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5797. 

  5798. # add some useful compiler flags if supported

  5799. check_cflags -Wdeclaration-after-statement

  5800. check_cflags -Wall

  5801. check_cflags -Wdisabled-optimization

  5802. check_cflags -Wpointer-arith

  5803. check_cflags -Wredundant-decls

  5804. check_cflags -Wwrite-strings

  5805. check_cflags -Wtype-limits

  5806. check_cflags -Wundef

  5807. check_cflags -Wmissing-prototypes

  5808. check_cflags -Wno-pointer-to-int-cast

  5809. check_cflags -Wstrict-prototypes

  5810. check_cflags -Wempty-body

  5811. enabled extra_warnings && check_cflags -Winline

  5812. enabled extra_warnings && check_cflags -Wcast-qual

  5813. 

  5814. check_disable_warning(){

  5815.     warning_flag=-W${1#-Wno-}

  5816.     test_cflags $warning_flag && add_cflags $1

  5817. }

  5818. 

  5819. check_disable_warning -Wno-parentheses

  5820. check_disable_warning -Wno-switch

  5821. check_disable_warning -Wno-format-zero-length

  5822. check_disable_warning -Wno-pointer-sign

  5823. check_disable_warning -Wno-unused-const-variable

  5824. 

  5825. # add some linker flags

  5826. check_ldflags -Wl,--warn-common

  5827. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5828. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5829. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5830. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5831. 

  5832. # add some strip flags

  5833. # -wN '..@*' is more selective than -x, but not available everywhere.

  5834. check_stripflags -wN \'..@*\' || check_stripflags -x

  5835. 

  5836. enabled neon_clobber_test &&

  5837.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5838.                   -Wl,--wrap,avcodec_decode_audio4      \

  5839.                   -Wl,--wrap,avcodec_decode_video2      \

  5840.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5841.                   -Wl,--wrap,avcodec_encode_audio2      \

  5842.                   -Wl,--wrap,avcodec_encode_video2      \

  5843.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5844.                   -Wl,--wrap,swr_convert                \

  5845.                   -Wl,--wrap,avresample_convert ||

  5846.     disable neon_clobber_test

  5847. 

  5848. enabled xmm_clobber_test &&

  5849.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5850.                   -Wl,--wrap,avcodec_decode_audio4      \

  5851.                   -Wl,--wrap,avcodec_decode_video2      \

  5852.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5853.                   -Wl,--wrap,avcodec_encode_audio2      \

  5854.                   -Wl,--wrap,avcodec_encode_video2      \

  5855.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5856.                   -Wl,--wrap,swr_convert                \

  5857.                   -Wl,--wrap,avresample_convert         \

  5858.                   -Wl,--wrap,sws_scale ||

  5859.     disable xmm_clobber_test

  5860. 

  5861. echo "X { local: *; };" > $TMPV

  5862. if test_ldflags -Wl,--version-script,$TMPV; then

  5863.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5864. elif test_ldflags -Wl,-M,$TMPV; then

  5865.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5866. fi

  5867. 

  5868. check_cc <<EOF && enable symver_asm_label

  5869. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5870. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5871. EOF

  5872.     check_cc <<EOF && enable symver_gnu_asm

  5873. __asm__(".symver ff_foo,av_foo@VERSION");

  5874. void ff_foo(void) {}

  5875. EOF

  5876. 

  5877. if [ -z "$optflags" ]; then

  5878.     if enabled small; then

  5879.         optflags=$cflags_size

  5880.     elif enabled optimizations; then

  5881.         optflags=$cflags_speed

  5882.     else

  5883.         optflags=$cflags_noopt

  5884.     fi

  5885. fi

  5886. 

  5887. check_optflags(){

  5888.     check_cflags "$@"

  5889.     enabled lto && check_ldflags "$@"

  5890. }

  5891. 

  5892. 

  5893. if enabled lto; then

  5894.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5895.     check_cflags  -flto

  5896.     check_ldflags -flto $cpuflags

  5897.     disable inline_asm_direct_symbol_refs

  5898. fi

  5899. 

  5900. check_optflags $optflags

  5901. check_optflags -fno-math-errno

  5902. check_optflags -fno-signed-zeros

  5903. 

  5904. enabled ftrapv && check_cflags -ftrapv

  5905. 

  5906. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5907. int x;

  5908. EOF

  5909. 

  5910. 

  5911. if enabled icc; then

  5912.     # Just warnings, no remarks

  5913.     check_cflags -w1

  5914.     # -wd: Disable following warnings

  5915.     # 144, 167, 556: -Wno-pointer-sign

  5916.     # 188: enumerated type mixed with another type

  5917.     # 1292: attribute "foo" ignored

  5918.     # 1419: external declaration in primary source file

  5919.     # 10006: ignoring unknown option -fno-signed-zeros

  5920.     # 10148: ignoring unknown option -Wno-parentheses

  5921.     # 10156: ignoring option '-W'; no argument required

  5922.     # 13200: No EMMS instruction before call to function

  5923.     # 13203: No EMMS instruction before return from function

  5924.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5925.     # 11030: Warning unknown option --as-needed

  5926.     # 10156: ignoring option '-export'; no argument required

  5927.     check_ldflags -wd10156,11030

  5928.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5929.     enable ebp_available

  5930.     # The test above does not test linking

  5931.     enabled lto && disable symver_asm_label

  5932.     if enabled x86_32; then

  5933.         icc_version=$($cc -dumpversion)

  5934.         test ${icc_version%%.*} -ge 11 &&

  5935.             check_cflags -falign-stack=maintain-16-byte ||

  5936.             disable aligned_stack

  5937.     fi

  5938. elif enabled ccc; then

  5939.     # disable some annoying warnings

  5940.     add_cflags -msg_disable bitnotint

  5941.     add_cflags -msg_disable mixfuncvoid

  5942.     add_cflags -msg_disable nonstandcast

  5943.     add_cflags -msg_disable unsupieee

  5944. elif enabled gcc; then

  5945.     case $gcc_basever in

  5946.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  5947.         4.*)                 check_optflags -fno-tree-vectorize ;;

  5948.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  5949.     esac

  5950.     check_cflags -Werror=format-security

  5951.     check_cflags -Werror=implicit-function-declaration

  5952.     check_cflags -Werror=missing-prototypes

  5953.     check_cflags -Werror=return-type

  5954.     check_cflags -Werror=vla

  5955.     check_cflags -Wformat

  5956.     check_cflags -fdiagnostics-color=auto

  5957.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5958. elif enabled llvm_gcc; then

  5959.     check_cflags -mllvm -stack-alignment=16

  5960. elif enabled clang; then

  5961.     check_cflags -mllvm -stack-alignment=16

  5962.     check_cflags -Qunused-arguments

  5963.     check_cflags -Werror=implicit-function-declaration

  5964.     check_cflags -Werror=missing-prototypes

  5965.     check_cflags -Werror=return-type

  5966. elif enabled cparser; then

  5967.     add_cflags -Wno-missing-variable-declarations

  5968.     add_cflags -Wno-empty-statement

  5969. elif enabled armcc; then

  5970.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5971.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5972.     # 2523: use of inline assembly is deprecated

  5973.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5974.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5975.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5976.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5977.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5978.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5979. elif enabled tms470; then

  5980.     add_cflags -pds=824 -pds=837

  5981.     disable inline_asm

  5982. elif enabled pathscale; then

  5983.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5984. elif enabled_any msvc icl; then

  5985.     enabled x86_32 && disable aligned_stack

  5986.     enabled_all x86_32 debug && add_cflags -Oy-

  5987.     enabled debug && add_ldflags -debug

  5988.     enable pragma_deprecated

  5989.     if enabled icl; then

  5990.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5991.         # (correctly) on icl 13.x.

  5992.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5993.             add_cflags -Qansi-alias

  5994.         # Some inline asm is not compilable in debug

  5995.         if enabled debug; then

  5996.             disable ebp_available

  5997.             disable ebx_available

  5998.         fi

  5999.     fi

  6000.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6001.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6002.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6003.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6004.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6005.     # MSVC 2013 and newer can handle it fine.

  6006.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6007.     # happens in config.h.

  6008.     if [ $_restrict != restrict ]; then

  6009.         check_cc <<EOF || add_cflags -FIstdlib.h

  6010. __declspec($_restrict) void* foo(int);

  6011. EOF

  6012.     fi

  6013.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6014. fi

  6015. 

  6016. for pfx in "" host_; do

  6017.     varname=${pfx%_}cc_type

  6018.     eval "type=\$$varname"

  6019.     if [ $type = "msvc" ]; then

  6020.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6021. static inline int foo(int a) { return a; }

  6022. EOF

  6023.     fi

  6024. done

  6025. 

  6026. case $as_type in

  6027.     clang)

  6028.         add_asflags -Qunused-arguments

  6029.     ;;

  6030. esac

  6031. 

  6032. case $ld_type in

  6033.     clang)

  6034.         check_ldflags -Qunused-arguments

  6035.     ;;

  6036. esac

  6037. 

  6038. case $target_os in

  6039.     osf1)

  6040.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6041.     ;;

  6042.     plan9)

  6043.         add_cppflags -Dmain=plan9_main

  6044.     ;;

  6045. esac

  6046. 

  6047. enable frame_thread_encoder

  6048. 

  6049. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6050. 

  6051. check_deps $CONFIG_LIST       \

  6052.            $CONFIG_EXTRA      \

  6053.            $HAVE_LIST         \

  6054.            $ALL_COMPONENTS    \

  6055. 

  6056. 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"

  6057. 

  6058. 

  6059. if test $target_os = "haiku"; then

  6060.     disable memalign

  6061.     disable posix_memalign

  6062. fi

  6063. 

  6064. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6065.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6066.     enable dxva2_lib

  6067. 

  6068. ! enabled_any memalign posix_memalign aligned_malloc &&

  6069.     enabled simd_align_16 && enable memalign_hack

  6070. 

  6071. # add_dep lib dep

  6072. # -> enable ${lib}_deps_${dep}

  6073. # -> add $dep to ${lib}_deps only once

  6074. add_dep() {

  6075.     lib=$1

  6076.     dep=$2

  6077.     enabled "${lib}_deps_${dep}" && return 0

  6078.     enable  "${lib}_deps_${dep}"

  6079.     prepend "${lib}_deps" $dep

  6080. }

  6081. 

  6082. # merge deps lib components

  6083. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6084. merge_deps() {

  6085.     lib=$1

  6086.     shift

  6087.     for comp in $*; do

  6088.         enabled $comp || continue

  6089.         eval "dep=\"\$${comp}_deps\""

  6090.         for d in $dep; do

  6091.             add_dep $lib $d

  6092.         done

  6093.     done

  6094. }

  6095. 

  6096. merge_deps libavfilter $FILTER_LIST

  6097. 

  6098. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6099. 

  6100. for thread in $THREADS_LIST; do

  6101.     if enabled $thread; then

  6102.         test -n "$thread_type" &&

  6103.             die "ERROR: Only one thread type must be selected." ||

  6104.             thread_type="$thread"

  6105.     fi

  6106. done

  6107. 

  6108. enabled zlib && add_cppflags -DZLIB_CONST

  6109. 

  6110. # conditional library dependencies, in linking order

  6111. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6112. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6113. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6114. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6115. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6116. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6117. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6118. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6119. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6120. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6121. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6122. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6123. enabled pan_filter          && prepend avfilter_deps "swresample"

  6124. enabled pp_filter           && prepend avfilter_deps "postproc"

  6125. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6126. enabled resample_filter && prepend avfilter_deps "avresample"

  6127. enabled sab_filter          && prepend avfilter_deps "swscale"

  6128. enabled scale_filter    && prepend avfilter_deps "swscale"

  6129. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6130. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6131. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6132. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6133. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6134. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6135. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6136. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6137. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6138. 

  6139. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6140. 

  6141. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6142. 

  6143. expand_deps(){

  6144.     lib_deps=${1}_deps

  6145.     eval "deps=\$$lib_deps"

  6146.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6147.     unique $lib_deps

  6148. }

  6149. 

  6150. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6151. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6152. 

  6153. map 'expand_deps $v' $LIBRARY_LIST

  6154. 

  6155. echo "install prefix            $prefix"

  6156. echo "source path               $source_path"

  6157. echo "C compiler                $cc"

  6158. echo "C library                 $libc_type"

  6159. if test "$host_cc" != "$cc"; then

  6160.     echo "host C compiler           $host_cc"

  6161.     echo "host C library            $host_libc_type"

  6162. fi

  6163. echo "ARCH                      $arch ($cpu)"

  6164. if test "$build_suffix" != ""; then

  6165.     echo "build suffix              $build_suffix"

  6166. fi

  6167. if test "$progs_suffix" != ""; then

  6168.     echo "progs suffix              $progs_suffix"

  6169. fi

  6170. if test "$extra_version" != ""; then

  6171.     echo "version string suffix     $extra_version"

  6172. fi

  6173. echo "big-endian                ${bigendian-no}"

  6174. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6175. if enabled x86; then

  6176.     echo "${yasmexe}                      ${yasm-no}"

  6177.     echo "MMX enabled               ${mmx-no}"

  6178.     echo "MMXEXT enabled            ${mmxext-no}"

  6179.     echo "3DNow! enabled            ${amd3dnow-no}"

  6180.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6181.     echo "SSE enabled               ${sse-no}"

  6182.     echo "SSSE3 enabled             ${ssse3-no}"

  6183.     echo "AESNI enabled             ${aesni-no}"

  6184.     echo "AVX enabled               ${avx-no}"

  6185.     echo "XOP enabled               ${xop-no}"

  6186.     echo "FMA3 enabled              ${fma3-no}"

  6187.     echo "FMA4 enabled              ${fma4-no}"

  6188.     echo "i686 features enabled     ${i686-no}"

  6189.     echo "CMOV is fast              ${fast_cmov-no}"

  6190.     echo "EBX available             ${ebx_available-no}"

  6191.     echo "EBP available             ${ebp_available-no}"

  6192. fi

  6193. if enabled aarch64; then

  6194.     echo "NEON enabled              ${neon-no}"

  6195.     echo "VFP enabled               ${vfp-no}"

  6196. fi

  6197. if enabled arm; then

  6198.     echo "ARMv5TE enabled           ${armv5te-no}"

  6199.     echo "ARMv6 enabled             ${armv6-no}"

  6200.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6201.     echo "VFP enabled               ${vfp-no}"

  6202.     echo "NEON enabled              ${neon-no}"

  6203.     echo "THUMB enabled             ${thumb-no}"

  6204. fi

  6205. if enabled mips; then

  6206.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6207.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6208.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6209.     echo "MIPS MSA enabled          ${msa-no}"

  6210.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6211. fi

  6212. if enabled ppc; then

  6213.     echo "AltiVec enabled           ${altivec-no}"

  6214.     echo "VSX enabled               ${vsx-no}"

  6215.     echo "POWER8 enabled            ${power8-no}"

  6216.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6217.     echo "dcbzl available           ${dcbzl-no}"

  6218. fi

  6219. echo "debug symbols             ${debug-no}"

  6220. echo "strip symbols             ${stripping-no}"

  6221. echo "optimize for size         ${small-no}"

  6222. echo "optimizations             ${optimizations-no}"

  6223. echo "static                    ${static-no}"

  6224. echo "shared                    ${shared-no}"

  6225. echo "postprocessing support    ${postproc-no}"

  6226. echo "new filter support        ${avfilter-no}"

  6227. echo "network support           ${network-no}"

  6228. echo "threading support         ${thread_type-no}"

  6229. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6230. echo "SDL support               ${sdl-no}"

  6231. echo "opencl enabled            ${opencl-no}"

  6232. echo "texi2html enabled         ${texi2html-no}"

  6233. echo "perl enabled              ${perl-no}"

  6234. echo "pod2man enabled           ${pod2man-no}"

  6235. echo "makeinfo enabled          ${makeinfo-no}"

  6236. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6237. test -n "$random_seed" &&

  6238.     echo "random seed               ${random_seed}"

  6239. echo

  6240. 

  6241. echo "Enabled programs:"

  6242. print_enabled '' $PROGRAM_LIST | print_in_columns

  6243. echo

  6244. 

  6245. echo "External libraries:"

  6246. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6247. echo

  6248. 

  6249. echo "Libraries:"

  6250. print_enabled '' $LIBRARY_LIST | print_in_columns

  6251. echo

  6252. 

  6253. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6254.     echo "Enabled ${type}s:"

  6255.     eval list=\$$(toupper $type)_LIST

  6256.     print_enabled '_*' $list | print_in_columns

  6257.     echo

  6258. done

  6259. 

  6260. license="LGPL version 2.1 or later"

  6261. if enabled nonfree; then

  6262.     license="nonfree and unredistributable"

  6263. elif enabled gplv3; then

  6264.     license="GPL version 3 or later"

  6265. elif enabled lgplv3; then

  6266.     license="LGPL version 3 or later"

  6267. elif enabled gpl; then

  6268.     license="GPL version 2 or later"

  6269. fi

  6270. 

  6271. echo "License: $license"

  6272. 

  6273. echo "Creating config.mak, config.h, and doc/config.texi..."

  6274. 

  6275. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6276. 

  6277. enabled stripping || strip="echo skipping strip"

  6278. 

  6279. config_files="$TMPH config.mak doc/config.texi"

  6280. 

  6281. cat > config.mak <<EOF

  6282. # Automatically generated by configure - do not modify!

  6283. ifndef FFMPEG_CONFIG_MAK

  6284. FFMPEG_CONFIG_MAK=1

  6285. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6286. prefix=$prefix

  6287. LIBDIR=\$(DESTDIR)$libdir

  6288. SHLIBDIR=\$(DESTDIR)$shlibdir

  6289. INCDIR=\$(DESTDIR)$incdir

  6290. BINDIR=\$(DESTDIR)$bindir

  6291. DATADIR=\$(DESTDIR)$datadir

  6292. DOCDIR=\$(DESTDIR)$docdir

  6293. MANDIR=\$(DESTDIR)$mandir

  6294. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6295. SRC_PATH=$source_path

  6296. SRC_LINK=$source_link

  6297. ifndef MAIN_MAKEFILE

  6298. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6299. endif

  6300. CC_IDENT=$cc_ident

  6301. ARCH=$arch

  6302. INTRINSICS=$intrinsics

  6303. CC=$cc

  6304. CXX=$cxx

  6305. AS=$as

  6306. OBJCC=$objcc

  6307. LD=$ld

  6308. DEPCC=$dep_cc

  6309. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6310. DEPAS=$as

  6311. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6312. YASM=$yasmexe

  6313. DEPYASM=$yasmexe

  6314. AR=$ar

  6315. ARFLAGS=$arflags

  6316. AR_O=$ar_o

  6317. RANLIB=$ranlib

  6318. STRIP=$strip

  6319. CP=cp -p

  6320. LN_S=$ln_s

  6321. CPPFLAGS=$CPPFLAGS

  6322. CFLAGS=$CFLAGS

  6323. CXXFLAGS=$CXXFLAGS

  6324. OBJCFLAGS=$OBJCFLAGS

  6325. ASFLAGS=$ASFLAGS

  6326. AS_C=$AS_C

  6327. AS_O=$AS_O

  6328. OBJCC_C=$OBJCC_C

  6329. OBJCC_E=$OBJCC_E

  6330. OBJCC_O=$OBJCC_O

  6331. CC_C=$CC_C

  6332. CC_E=$CC_E

  6333. CC_O=$CC_O

  6334. CXX_C=$CXX_C

  6335. CXX_O=$CXX_O

  6336. LD_O=$LD_O

  6337. LD_LIB=$LD_LIB

  6338. LD_PATH=$LD_PATH

  6339. DLLTOOL=$dlltool

  6340. WINDRES=$windres

  6341. DEPWINDRES=$dep_cc

  6342. DOXYGEN=$doxygen

  6343. LDFLAGS=$LDFLAGS

  6344. LDEXEFLAGS=$LDEXEFLAGS

  6345. LDLIBFLAGS=$LDLIBFLAGS

  6346. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6347. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6348. YASMFLAGS=$YASMFLAGS

  6349. BUILDSUF=$build_suffix

  6350. PROGSSUF=$progs_suffix

  6351. FULLNAME=$FULLNAME

  6352. LIBPREF=$LIBPREF

  6353. LIBSUF=$LIBSUF

  6354. LIBNAME=$LIBNAME

  6355. SLIBPREF=$SLIBPREF

  6356. SLIBSUF=$SLIBSUF

  6357. EXESUF=$EXESUF

  6358. EXTRA_VERSION=$extra_version

  6359. CCDEP=$CCDEP

  6360. CXXDEP=$CXXDEP

  6361. CCDEP_FLAGS=$CCDEP_FLAGS

  6362. ASDEP=$ASDEP

  6363. ASDEP_FLAGS=$ASDEP_FLAGS

  6364. CC_DEPFLAGS=$CC_DEPFLAGS

  6365. AS_DEPFLAGS=$AS_DEPFLAGS

  6366. HOSTCC=$host_cc

  6367. HOSTLD=$host_ld

  6368. HOSTCFLAGS=$host_cflags

  6369. HOSTCPPFLAGS=$host_cppflags

  6370. HOSTEXESUF=$HOSTEXESUF

  6371. HOSTLDFLAGS=$host_ldflags

  6372. HOSTLIBS=$host_libs

  6373. DEPHOSTCC=$host_cc

  6374. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6375. HOSTCCDEP=$HOSTCCDEP

  6376. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6377. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6378. HOSTCC_C=$HOSTCC_C

  6379. HOSTCC_O=$HOSTCC_O

  6380. HOSTLD_O=$HOSTLD_O

  6381. TARGET_EXEC=$target_exec $target_exec_args

  6382. TARGET_PATH=$target_path

  6383. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6384. CFLAGS-ffplay=$sdl_cflags

  6385. ZLIB=$($ldflags_filter -lz)

  6386. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6387. EXTRALIBS=$extralibs

  6388. COMPAT_OBJS=$compat_objs

  6389. EXEOBJS=$exeobjs

  6390. INSTALL=$install

  6391. LIBTARGET=${LIBTARGET}

  6392. SLIBNAME=${SLIBNAME}

  6393. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6394. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6395. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6396. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6397. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6398. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6399. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6400. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6401. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6402. NOREDZONE_FLAGS=$noredzone_flags

  6403. EOF

  6404. 

  6405. get_version(){

  6406.     lcname=lib${1}

  6407.     name=$(toupper $lcname)

  6408.     file=$source_path/$lcname/version.h

  6409.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6410.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6411.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6412.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6413.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6414.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6415. }

  6416. 

  6417. map 'get_version $v' $LIBRARY_LIST

  6418. 

  6419. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6420. 

  6421. print_program_libs(){

  6422.     eval "program_libs=\$${1}_libs"

  6423.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6424. }

  6425. 

  6426. map 'print_program_libs $v' $PROGRAM_LIST

  6427. 

  6428. cat > $TMPH <<EOF

  6429. /* Automatically generated by configure - do not modify! */

  6430. #ifndef FFMPEG_CONFIG_H

  6431. #define FFMPEG_CONFIG_H

  6432. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6433. #define FFMPEG_LICENSE "$(c_escape $license)"

  6434. #define CONFIG_THIS_YEAR 2016

  6435. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6436. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6437. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6438. #define av_restrict $_restrict

  6439. #define EXTERN_PREFIX "${extern_prefix}"

  6440. #define EXTERN_ASM ${extern_prefix}

  6441. #define BUILDSUF "$build_suffix"

  6442. #define SLIBSUF "$SLIBSUF"

  6443. #define HAVE_MMX2 HAVE_MMXEXT

  6444. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6445. EOF

  6446. 

  6447. test -n "$assert_level" &&

  6448.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6449. 

  6450. test -n "$malloc_prefix" &&

  6451.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6452. 

  6453. if enabled yasm; then

  6454.     append config_files $TMPASM

  6455.     printf '' >$TMPASM

  6456. fi

  6457. 

  6458. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6459. 

  6460. 

  6461. mkdir -p doc

  6462. mkdir -p tests

  6463. mkdir -p tests/api

  6464. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6465. 

  6466. print_config ARCH_   "$config_files" $ARCH_LIST

  6467. print_config HAVE_   "$config_files" $HAVE_LIST

  6468. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6469.                                      $CONFIG_EXTRA      \

  6470.                                      $ALL_COMPONENTS    \

  6471. 

  6472. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6473. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6474. 

  6475. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6476. cp_if_changed $TMPH config.h

  6477. touch .config

  6478. 

  6479. enabled yasm && cp_if_changed $TMPASM config.asm

  6480. 

  6481. cat > $TMPH <<EOF

  6482. /* Generated by ffconf */

  6483. #ifndef AVUTIL_AVCONFIG_H

  6484. #define AVUTIL_AVCONFIG_H

  6485. EOF

  6486. 

  6487. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6488. 

  6489. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6490. 

  6491. cp_if_changed $TMPH libavutil/avconfig.h

  6492. 

  6493. if test -n "$WARNINGS"; then

  6494.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6495.     enabled fatal_warnings && exit 1

  6496. fi

  6497. 

  6498. # build pkg-config files

  6499. 

  6500. lib_version(){

  6501.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6502. }

  6503. 

  6504. pkgconfig_generate(){

  6505.     name=$1

  6506.     shortname=${name#lib}${build_suffix}

  6507.     comment=$2

  6508.     version=$3

  6509.     libs=$4

  6510.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6511.     requires=${requires%, }

  6512.     enabled ${name#lib} || return 0

  6513.     mkdir -p $name

  6514.     cat <<EOF > $name/$name${build_suffix}.pc

  6515. prefix=$prefix

  6516. exec_prefix=\${prefix}

  6517. libdir=$libdir

  6518. includedir=$incdir

  6519. 

  6520. Name: $name

  6521. Description: $comment

  6522. Version: $version

  6523. Requires: $(enabled shared || echo $requires)

  6524. Requires.private: $(enabled shared && echo $requires)

  6525. Conflicts:

  6526. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6527. Libs.private: $(enabled shared && echo $libs)

  6528. Cflags: -I\${includedir}

  6529. EOF

  6530. 

  6531. mkdir -p doc/examples/pc-uninstalled

  6532. includedir=${source_path}

  6533. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6534.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6535. prefix=

  6536. exec_prefix=

  6537. libdir=\${pcfiledir}/../../../$name

  6538. includedir=${includedir}

  6539. 

  6540. Name: $name

  6541. Description: $comment

  6542. Version: $version

  6543. Requires: $requires

  6544. Conflicts:

  6545. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6546. Cflags: -I\${includedir}

  6547. EOF

  6548. }

  6549. 

  6550. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6551. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6552. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6553. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6554. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6555. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6556. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6557. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6558. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"