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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94.   --install-name-dir=DIR   Darwin directory name for installed targets

  95. 

  96. Licensing options:

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

  98.                            and binaries will be under GPL [no]

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

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

  101.                            and binaries will be unredistributable [no]

  102. 

  103. Configuration options:

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

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

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

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

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

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

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

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

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

  113. 

  114. Program options:

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

  116.   --disable-ffmpeg         disable ffmpeg build

  117.   --disable-ffplay         disable ffplay build

  118.   --disable-ffprobe        disable ffprobe build

  119.   --disable-ffserver       disable ffserver build

  120. 

  121. Documentation options:

  122.   --disable-doc            do not build documentation

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

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

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

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

  127. 

  128. Component options:

  129.   --disable-avdevice       disable libavdevice build

  130.   --disable-avcodec        disable libavcodec build

  131.   --disable-avformat       disable libavformat build

  132.   --disable-swresample     disable libswresample build

  133.   --disable-swscale        disable libswscale build

  134.   --disable-postproc       disable libpostproc build

  135.   --disable-avfilter       disable libavfilter build

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

  137.   --disable-pthreads       disable pthreads [autodetect]

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

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

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

  141.   --disable-dct            disable DCT code

  142.   --disable-dwt            disable DWT code

  143.   --disable-error-resilience disable error resilience code

  144.   --disable-lsp            disable LSP code

  145.   --disable-lzo            disable LZO decoder code

  146.   --disable-mdct           disable MDCT code

  147.   --disable-rdft           disable RDFT code

  148.   --disable-fft            disable FFT code

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

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

  151. 

  152. Hardware accelerators:

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

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

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

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

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

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

  159. 

  160. Individual component options:

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

  162.   --disable-encoder=NAME   disable encoder NAME

  163.   --enable-encoder=NAME    enable encoder NAME

  164.   --disable-encoders       disable all encoders

  165.   --disable-decoder=NAME   disable decoder NAME

  166.   --enable-decoder=NAME    enable decoder NAME

  167.   --disable-decoders       disable all decoders

  168.   --disable-hwaccel=NAME   disable hwaccel NAME

  169.   --enable-hwaccel=NAME    enable hwaccel NAME

  170.   --disable-hwaccels       disable all hwaccels

  171.   --disable-muxer=NAME     disable muxer NAME

  172.   --enable-muxer=NAME      enable muxer NAME

  173.   --disable-muxers         disable all muxers

  174.   --disable-demuxer=NAME   disable demuxer NAME

  175.   --enable-demuxer=NAME    enable demuxer NAME

  176.   --disable-demuxers       disable all demuxers

  177.   --enable-parser=NAME     enable parser NAME

  178.   --disable-parser=NAME    disable parser NAME

  179.   --disable-parsers        disable all parsers

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

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

  182.   --disable-bsfs           disable all bitstream filters

  183.   --enable-protocol=NAME   enable protocol NAME

  184.   --disable-protocol=NAME  disable protocol NAME

  185.   --disable-protocols      disable all protocols

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

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

  188.   --disable-indevs         disable input devices

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

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

  191.   --disable-outdevs        disable output devices

  192.   --disable-devices        disable all devices

  193.   --enable-filter=NAME     enable filter NAME

  194.   --disable-filter=NAME    disable filter NAME

  195.   --disable-filters        disable all filters

  196. 

  197. External library support:

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

  199.   --disable-bzlib          disable bzlib [autodetect]

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

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

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

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

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

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

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

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

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

  209.                            if openssl is not used [no]

  210.   --disable-iconv          disable iconv [autodetect]

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

  212.   --enable-libass          enable libass subtitles rendering,

  213.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  220.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

  232.   --enable-libmfx          enable HW acceleration through libmfx

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

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

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

  236.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  261.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  277.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

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

  283.   --enable-opencl          enable OpenCL code

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

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

  286.                            if gnutls is not used [no]

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

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

  289.   --disable-sdl            disable sdl [autodetect]

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

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

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

  293.   --disable-xlib           disable xlib [autodetect]

  294.   --disable-zlib           disable zlib [autodetect]

  295. 

  296. Toolchain options:

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

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

  299.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  347. 

  348. Advanced options (experts only):

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

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

  351.   --disable-symver         disable symbol versioning

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

  353.   --disable-safe-bitstream-reader

  354.                            disable buffer boundary checking in bitreaders

  355.                            (faster, but may crash)

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

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

  358. 

  359. Optimization options (experts only):

  360.   --disable-asm            disable all assembly optimizations

  361.   --disable-altivec        disable AltiVec optimizations

  362.   --disable-vsx            disable VSX optimizations

  363.   --disable-power8         disable POWER8 optimizations

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

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

  366.   --disable-mmx            disable MMX optimizations

  367.   --disable-mmxext         disable MMXEXT optimizations

  368.   --disable-sse            disable SSE optimizations

  369.   --disable-sse2           disable SSE2 optimizations

  370.   --disable-sse3           disable SSE3 optimizations

  371.   --disable-ssse3          disable SSSE3 optimizations

  372.   --disable-sse4           disable SSE4 optimizations

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

  374.   --disable-avx            disable AVX optimizations

  375.   --disable-xop            disable XOP optimizations

  376.   --disable-fma3           disable FMA3 optimizations

  377.   --disable-fma4           disable FMA4 optimizations

  378.   --disable-avx2           disable AVX2 optimizations

  379.   --disable-aesni          disable AESNI optimizations

  380.   --disable-armv5te        disable armv5te optimizations

  381.   --disable-armv6          disable armv6 optimizations

  382.   --disable-armv6t2        disable armv6t2 optimizations

  383.   --disable-vfp            disable VFP optimizations

  384.   --disable-neon           disable NEON optimizations

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

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

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

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

  389.   --disable-msa            disable MSA optimizations

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

  391.   --disable-mmi            disable Loongson SIMD optimizations

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

  393. 

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

  395.   --disable-debug          disable debugging symbols

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

  397.   --disable-optimizations  disable compiler optimizations

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

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

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

  401.                            2 causes a slowdown at runtime.

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

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

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

  405.                            Cannot be combined with --target-exec

  406.   --enable-ftrapv          Trap arithmetic overflows

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

  408.                            \$FATE_SAMPLES at make invocation time.

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

  410.                            used only for debugging purposes)

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

  412.                            should be used only for debugging purposes)

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

  414.   --disable-random

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

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

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

  418.                            (group) and PROB the probability associated with

  419.                            NAME (default 0.5).

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

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

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

  423. 

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

  425. EOF

  426.   exit 0

  427. }

  428. 

  429. quotes='""'

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

  431.     ncolors=$(tput colors)

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

  433.         bold_color=$(tput bold)

  434.         warn_color=$(tput setaf 3)

  435.         error_color=$(tput setaf 1)

  436.         reset_color=$(tput sgr0)

  437.     fi

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

  439.     ncols=$(tput cols)

  440. fi

  441. : ${ncols:=72}

  442. 

  443. log(){

  444.     echo "$@" >> $logfile

  445. }

  446. 

  447. log_file(){

  448.     log BEGIN $1

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

  450.     log END $1

  451. }

  452. 

  453. warn(){

  454.     log "WARNING: $*"

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

  456. }

  457. 

  458. die(){

  459.     log "$@"

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

  461.     cat <<EOF

  462. 

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

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

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

  466. EOF

  467.     if disabled logging; then

  468.         cat <<EOF

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

  470. include the log this produces with your report.

  471. EOF

  472.     else

  473.         cat <<EOF

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

  475. solve the problem.

  476. EOF

  477.     fi

  478.     exit 1

  479. }

  480. 

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

  482. toupper(){

  483.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  484. }

  485. 

  486. tolower(){

  487.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  488. }

  489. 

  490. c_escape(){

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

  492. }

  493. 

  494. sh_quote(){

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

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

  497.     echo "$v"

  498. }

  499. 

  500. cleanws(){

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

  502. }

  503. 

  504. filter(){

  505.     pat=$1

  506.     shift

  507.     for v; do

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

  509.     done

  510. }

  511. 

  512. filter_out(){

  513.     pat=$1

  514.     shift

  515.     for v; do

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

  517.     done

  518. }

  519. 

  520. map(){

  521.     m=$1

  522.     shift

  523.     for v; do eval $m; done

  524. }

  525. 

  526. add_suffix(){

  527.     suffix=$1

  528.     shift

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

  530. }

  531. 

  532. set_all(){

  533.     value=$1

  534.     shift

  535.     for var in $*; do

  536.         eval $var=$value

  537.     done

  538. }

  539. 

  540. set_weak(){

  541.     value=$1

  542.     shift

  543.     for var; do

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

  545.     done

  546. }

  547. 

  548. sanitize_var_name(){

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

  550. }

  551. 

  552. set_safe(){

  553.     var=$1

  554.     shift

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

  556. }

  557. 

  558. get_safe(){

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

  560. }

  561. 

  562. pushvar(){

  563.     for pvar in $*; do

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

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

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

  567.     done

  568. }

  569. 

  570. popvar(){

  571.     for pvar in $*; do

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

  573.         test $level = 0 && continue

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

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

  576.         eval ${pvar}_level=$level

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

  578.     done

  579. }

  580. 

  581. enable(){

  582.     set_all yes $*

  583. }

  584. 

  585. disable(){

  586.     set_all no $*

  587. }

  588. 

  589. enable_weak(){

  590.     set_weak yes $*

  591. }

  592. 

  593. disable_weak(){

  594.     set_weak no $*

  595. }

  596. 

  597. enable_safe(){

  598.     for var; do

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

  600.     done

  601. }

  602. 

  603. disable_safe(){

  604.     for var; do

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

  606.     done

  607. }

  608. 

  609. do_enable_deep(){

  610.     for var; do

  611.         enabled $var && continue

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

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

  614.         pushvar var sgs

  615.         enable_deep $sel

  616.         popvar sgs

  617.         enable_deep_weak $sgs

  618.         popvar var

  619.     done

  620. }

  621. 

  622. enable_deep(){

  623.     do_enable_deep $*

  624.     enable $*

  625. }

  626. 

  627. enable_deep_weak(){

  628.     for var; do

  629.         disabled $var && continue

  630.         pushvar var

  631.         do_enable_deep $var

  632.         popvar var

  633.         enable_weak $var

  634.     done

  635. }

  636. 

  637. enabled(){

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

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

  640. }

  641. 

  642. disabled(){

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

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

  645. }

  646. 

  647. enabled_all(){

  648.     for opt; do

  649.         enabled $opt || return 1

  650.     done

  651. }

  652. 

  653. disabled_all(){

  654.     for opt; do

  655.         disabled $opt || return 1

  656.     done

  657. }

  658. 

  659. enabled_any(){

  660.     for opt; do

  661.         enabled $opt && return 0

  662.     done

  663. }

  664. 

  665. disabled_any(){

  666.     for opt; do

  667.         disabled $opt && return 0

  668.     done

  669.     return 1

  670. }

  671. 

  672. set_default(){

  673.     for opt; do

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

  675.     done

  676. }

  677. 

  678. is_in(){

  679.     value=$1

  680.     shift

  681.     for var in $*; do

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

  683.     done

  684.     return 1

  685. }

  686. 

  687. do_check_deps(){

  688.     for cfg; do

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

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

  691.         disabled ${cfg}_checking && continue

  692.         enable ${cfg}_checking

  693.         append allopts $cfg

  694. 

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

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

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

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

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

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

  701. 

  702.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  704.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  705. 

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

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

  708.         enabled_all  $dep_all || disable $cfg

  709.         enabled_any  $dep_any || disable $cfg

  710.         disabled_any $dep_sel && disable $cfg

  711. 

  712.         if enabled $cfg; then

  713.             enable_deep $dep_sel

  714.             enable_deep_weak $dep_sgs

  715.         fi

  716. 

  717.         disable ${cfg}_checking

  718.     done

  719. }

  720. 

  721. check_deps(){

  722.     unset allopts

  723. 

  724.     do_check_deps "$@"

  725. 

  726.     for cfg in $allopts; do

  727.         enabled $cfg || continue

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

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

  730.     done

  731. }

  732. 

  733. print_config(){

  734.     pfx=$1

  735.     files=$2

  736.     shift 2

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

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

  739.         {

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

  741.             v = \$2;

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

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

  744.             for (f in files) {

  745.                 file = files[f];

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

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

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

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

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

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

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

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

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

  755.                     yesno = \$2;

  756.                     c2 = tolower(c);

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

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

  759.                 }

  760.             }

  761.         }"

  762. }

  763. 

  764. print_enabled(){

  765.     suf=$1

  766.     shift

  767.     for v; do

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

  769.     done

  770. }

  771. 

  772. append(){

  773.     var=$1

  774.     shift

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

  776. }

  777. 

  778. prepend(){

  779.     var=$1

  780.     shift

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

  782. }

  783. 

  784. unique(){

  785.     var=$1

  786.     uniq_list=""

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

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

  789.     done

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

  791. }

  792. 

  793. add_cppflags(){

  794.     append CPPFLAGS "$@"

  795. }

  796. 

  797. add_cflags(){

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

  799. }

  800. 

  801. add_cxxflags(){

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

  803. }

  804. 

  805. add_asflags(){

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

  807. }

  808. 

  809. add_objcflags(){

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

  811. }

  812. 

  813. add_ldflags(){

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

  815. }

  816. 

  817. add_ldexeflags(){

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

  819. }

  820. 

  821. add_ldlibflags(){

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

  823. }

  824. 

  825. add_stripflags(){

  826.     append ASMSTRIPFLAGS "$@"

  827. }

  828. 

  829. add_extralibs(){

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

  831. }

  832. 

  833. add_host_cppflags(){

  834.     append host_cppflags "$@"

  835. }

  836. 

  837. add_host_cflags(){

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

  839. }

  840. 

  841. add_host_ldflags(){

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

  843. }

  844. 

  845. add_compat(){

  846.     append compat_objs $1

  847.     shift

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

  849. }

  850. 

  851. check_cmd(){

  852.     log "$@"

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

  854. }

  855. 

  856. check_stat(){

  857.     log check_stat "$@"

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

  859. }

  860. 

  861. cc_o(){

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

  863. }

  864. 

  865. cc_e(){

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

  867. }

  868. 

  869. check_cc(){

  870.     log check_cc "$@"

  871.     cat > $TMPC

  872.     log_file $TMPC

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

  874. }

  875. 

  876. check_cxx(){

  877.     log check_cxx "$@"

  878.     cat > $TMPCPP

  879.     log_file $TMPCPP

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

  881. }

  882. 

  883. check_objcc(){

  884.     log check_objcc "$@"

  885.     cat > $TMPM

  886.     log_file $TMPM

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

  888. }

  889. 

  890. check_cpp(){

  891.     log check_cpp "$@"

  892.     cat > $TMPC

  893.     log_file $TMPC

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

  895. }

  896. 

  897. as_o(){

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

  899. }

  900. 

  901. check_as(){

  902.     log check_as "$@"

  903.     cat > $TMPS

  904.     log_file $TMPS

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

  906. }

  907. 

  908. check_inline_asm(){

  909.     log check_inline_asm "$@"

  910.     name="$1"

  911.     code="$2"

  912.     shift 2

  913.     disable $name

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

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

  916. EOF

  917. }

  918. 

  919. check_insn(){

  920.     log check_insn "$@"

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

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

  923. }

  924. 

  925. check_yasm(){

  926.     log check_yasm "$@"

  927.     echo "$1" > $TMPS

  928.     log_file $TMPS

  929.     shift 1

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

  931. }

  932. 

  933. ld_o(){

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

  935. }

  936. 

  937. check_ld(){

  938.     log check_ld "$@"

  939.     type=$1

  940.     shift 1

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

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

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

  944.     flags=$($ldflags_filter $flags)

  945.     libs=$($ldflags_filter $libs)

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

  947. }

  948. 

  949. print_include(){

  950.     hdr=$1

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

  952.         echo "#include $hdr"    ||

  953.         echo "#include <$hdr>"

  954. }

  955. 

  956. check_code(){

  957.     log check_code "$@"

  958.     check=$1

  959.     headers=$2

  960.     code=$3

  961.     shift 3

  962.     {

  963.         for hdr in $headers; do

  964.             print_include $hdr

  965.         done

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

  967.     } | check_$check "$@"

  968. }

  969. 

  970. check_cppflags(){

  971.     log check_cppflags "$@"

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

  973. int x;

  974. EOF

  975. }

  976. 

  977. test_cflags(){

  978.     log test_cflags "$@"

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

  980.     check_cc "$@" <<EOF

  981. int x;

  982. EOF

  983. }

  984. 

  985. check_cflags(){

  986.     log check_cflags "$@"

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

  988. }

  989. 

  990. check_cxxflags(){

  991.     log check_cxxflags "$@"

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

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

  994. int x;

  995. EOF

  996. }

  997. 

  998. test_objcflags(){

  999.     log test_cflags "$@"

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

  1001.     check_objcc "$@" <<EOF

  1002. int x;

  1003. EOF

  1004. }

  1005. 

  1006. check_objcflags(){

  1007.     log check_cflags "$@"

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

  1009. }

  1010. 

  1011. test_ldflags(){

  1012.     log test_ldflags "$@"

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

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

  1015. EOF

  1016. }

  1017. 

  1018. check_ldflags(){

  1019.     log check_ldflags "$@"

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

  1021. }

  1022. 

  1023. test_stripflags(){

  1024.     log test_stripflags "$@"

  1025.     # call check_cc to get a fresh TMPO

  1026.     check_cc <<EOF

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

  1028. EOF

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

  1030. }

  1031. 

  1032. check_stripflags(){

  1033.     log check_stripflags "$@"

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

  1035. }

  1036. 

  1037. check_header(){

  1038.     log check_header "$@"

  1039.     header=$1

  1040.     shift

  1041.     disable_safe $header

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

  1043. #include <$header>

  1044. int x;

  1045. EOF

  1046. }

  1047. 

  1048. check_header_objcc(){

  1049.     log check_header_objcc "$@"

  1050.     rm -f -- "$TMPO"

  1051.     header=$1

  1052.     shift

  1053.     disable_safe $header

  1054.     {

  1055.        echo "#include <$header>"

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

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

  1058. }

  1059. 

  1060. check_func(){

  1061.     log check_func "$@"

  1062.     func=$1

  1063.     shift

  1064.     disable $func

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

  1066. extern int $func();

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

  1068. EOF

  1069. }

  1070. 

  1071. check_complexfunc(){

  1072.     log check_complexfunc "$@"

  1073.     func=$1

  1074.     narg=$2

  1075.     shift 2

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

  1077.     disable $func

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

  1079. #include <complex.h>

  1080. #include <math.h>

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

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

  1083. EOF

  1084. }

  1085. 

  1086. check_mathfunc(){

  1087.     log check_mathfunc "$@"

  1088.     func=$1

  1089.     narg=$2

  1090.     shift 2

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

  1092.     disable $func

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

  1094. #include <math.h>

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

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

  1097. EOF

  1098. }

  1099. 

  1100. check_func_headers(){

  1101.     log check_func_headers "$@"

  1102.     headers=$1

  1103.     funcs=$2

  1104.     shift 2

  1105.     {

  1106.         for hdr in $headers; do

  1107.             print_include $hdr

  1108.         done

  1109.         for func in $funcs; do

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

  1111.         done

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

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

  1114. }

  1115. 

  1116. check_class_headers_cpp(){

  1117.     log check_class_headers_cpp "$@"

  1118.     headers=$1

  1119.     classes=$2

  1120.     shift 2

  1121.     {

  1122.         for hdr in $headers; do

  1123.             echo "#include <$hdr>"

  1124.         done

  1125.         echo "int main(void) { "

  1126.         i=1

  1127.         for class in $classes; do

  1128.             echo "$class obj$i;"

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

  1130.         done

  1131.         echo "return 0; }"

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

  1133. }

  1134. 

  1135. check_cpp_condition(){

  1136.     log check_cpp_condition "$@"

  1137.     header=$1

  1138.     condition=$2

  1139.     shift 2

  1140.     check_cpp "$@" <<EOF

  1141. #include <$header>

  1142. #if !($condition)

  1143. #error "unsatisfied condition: $condition"

  1144. #endif

  1145. EOF

  1146. }

  1147. 

  1148. check_lib(){

  1149.     log check_lib "$@"

  1150.     header="$1"

  1151.     func="$2"

  1152.     shift 2

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

  1154. }

  1155. 

  1156. check_lib2(){

  1157.     log check_lib2 "$@"

  1158.     headers="$1"

  1159.     funcs="$2"

  1160.     shift 2

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

  1162. }

  1163. 

  1164. check_lib_cpp(){

  1165.     log check_lib_cpp "$@"

  1166.     headers="$1"

  1167.     classes="$2"

  1168.     shift 2

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

  1170. }

  1171. 

  1172. check_pkg_config(){

  1173.     log check_pkg_config "$@"

  1174.     pkgandversion="$1"

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

  1176.     headers="$2"

  1177.     funcs="$3"

  1178.     shift 3

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

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

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

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

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

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

  1185. }

  1186. 

  1187. check_exec(){

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

  1189. }

  1190. 

  1191. check_exec_crash(){

  1192.     code=$(cat)

  1193. 

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

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

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

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

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

  1199. 

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

  1201. #include <signal.h>

  1202. static void sighandler(int sig){

  1203.     raise(SIGTERM);

  1204. }

  1205. int foo(void){

  1206.     $code

  1207. }

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

  1209. int main(void){

  1210.     signal(SIGILL, sighandler);

  1211.     signal(SIGFPE, sighandler);

  1212.     signal(SIGSEGV, sighandler);

  1213. #ifdef SIGBUS

  1214.     signal(SIGBUS, sighandler);

  1215. #endif

  1216.     return func_ptr();

  1217. }

  1218. EOF

  1219. }

  1220. 

  1221. check_type(){

  1222.     log check_type "$@"

  1223.     headers=$1

  1224.     type=$2

  1225.     shift 2

  1226.     disable_safe "$type"

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

  1228. }

  1229. 

  1230. check_struct(){

  1231.     log check_struct "$@"

  1232.     headers=$1

  1233.     struct=$2

  1234.     member=$3

  1235.     shift 3

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

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

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

  1239. }

  1240. 

  1241. check_builtin(){

  1242.     log check_builtin "$@"

  1243.     name=$1

  1244.     headers=$2

  1245.     builtin=$3

  1246.     shift 3

  1247.     disable "$name"

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

  1249. }

  1250. 

  1251. check_compile_assert(){

  1252.     log check_compile_assert "$@"

  1253.     name=$1

  1254.     headers=$2

  1255.     condition=$3

  1256.     shift 3

  1257.     disable "$name"

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

  1259. }

  1260. 

  1261. require(){

  1262.     name="$1"

  1263.     header="$2"

  1264.     func="$3"

  1265.     shift 3

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

  1267. }

  1268. 

  1269. require2(){

  1270.     name="$1"

  1271.     headers="$2"

  1272.     func="$3"

  1273.     shift 3

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

  1275. }

  1276. 

  1277. require_cpp(){

  1278.     name="$1"

  1279.     headers="$2"

  1280.     classes="$3"

  1281.     shift 3

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

  1283. }

  1284. 

  1285. use_pkg_config(){

  1286.     pkg="$1"

  1287.     check_pkg_config "$@" || return 1

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

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

  1290. }

  1291. 

  1292. require_pkg_config(){

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

  1294. }

  1295. 

  1296. require_libfreetype(){

  1297.     log require_libfreetype "$@"

  1298.     pkg="freetype2"

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

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

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

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

  1303.     {

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

  1305.         echo "#include FT_FREETYPE_H"

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

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

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

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

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

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

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

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

  1314. }

  1315. 

  1316. hostcc_e(){

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

  1318. }

  1319. 

  1320. hostcc_o(){

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

  1322. }

  1323. 

  1324. check_host_cc(){

  1325.     log check_host_cc "$@"

  1326.     cat > $TMPC

  1327.     log_file $TMPC

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

  1329. }

  1330. 

  1331. check_host_cpp(){

  1332.     log check_host_cpp "$@"

  1333.     cat > $TMPC

  1334.     log_file $TMPC

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

  1336. }

  1337. 

  1338. check_host_cppflags(){

  1339.     log check_host_cppflags "$@"

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

  1341. int x;

  1342. EOF

  1343. }

  1344. 

  1345. check_host_cflags(){

  1346.     log check_host_cflags "$@"

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

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

  1349. int x;

  1350. EOF

  1351. }

  1352. 

  1353. check_host_cpp_condition(){

  1354.     log check_host_cpp_condition "$@"

  1355.     header=$1

  1356.     condition=$2

  1357.     shift 2

  1358.     check_host_cpp "$@" <<EOF

  1359. #include <$header>

  1360. #if !($condition)

  1361. #error "unsatisfied condition: $condition"

  1362. #endif

  1363. EOF

  1364. }

  1365. 

  1366. cp_if_changed(){

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

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

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

  1370. }

  1371. 

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

  1373. # system-dependent things.

  1374. 

  1375. AVCODEC_COMPONENTS="

  1376.     bsfs

  1377.     decoders

  1378.     encoders

  1379.     hwaccels

  1380.     parsers

  1381. "

  1382. 

  1383. AVDEVICE_COMPONENTS="

  1384.     indevs

  1385.     outdevs

  1386. "

  1387. AVFILTER_COMPONENTS="

  1388.     filters

  1389. "

  1390. AVFORMAT_COMPONENTS="

  1391.     demuxers

  1392.     muxers

  1393.     protocols

  1394. "

  1395. 

  1396. AVRESAMPLE_COMPONENTS=""

  1397. AVUTIL_COMPONENTS=""

  1398. 

  1399. COMPONENT_LIST="

  1400.     $AVCODEC_COMPONENTS

  1401.     $AVDEVICE_COMPONENTS

  1402.     $AVFILTER_COMPONENTS

  1403.     $AVFORMAT_COMPONENTS

  1404.     $AVRESAMPLE_COMPONENTS

  1405.     $AVUTIL_COMPONENTS

  1406. "

  1407. 

  1408. EXAMPLE_LIST="

  1409.     avio_reading_example

  1410.     avio_dir_cmd_example

  1411.     decoding_encoding_example

  1412.     demuxing_decoding_example

  1413.     extract_mvs_example

  1414.     filter_audio_example

  1415.     filtering_audio_example

  1416.     filtering_video_example

  1417.     metadata_example

  1418.     muxing_example

  1419.     qsvdec_example

  1420.     remuxing_example

  1421.     resampling_audio_example

  1422.     scaling_video_example

  1423.     transcode_aac_example

  1424.     transcoding_example

  1425. "

  1426. 

  1427. EXTERNAL_LIBRARY_LIST="

  1428.     avisynth

  1429.     bzlib

  1430.     chromaprint

  1431.     crystalhd

  1432.     cuda

  1433.     decklink

  1434.     frei0r

  1435.     gcrypt

  1436.     gmp

  1437.     gnutls

  1438.     iconv

  1439.     ladspa

  1440.     libass

  1441.     libbluray

  1442.     libbs2b

  1443.     libcaca

  1444.     libcdio

  1445.     libcelt

  1446.     libdc1394

  1447.     libdcadec

  1448.     libfaac

  1449.     libfdk_aac

  1450.     libflite

  1451.     libfontconfig

  1452.     libfreetype

  1453.     libfribidi

  1454.     libgme

  1455.     libgsm

  1456.     libiec61883

  1457.     libilbc

  1458.     libkvazaar

  1459.     libmfx

  1460.     libmodplug

  1461.     libmp3lame

  1462.     libnut

  1463.     libopencore_amrnb

  1464.     libopencore_amrwb

  1465.     libopencv

  1466.     libopenh264

  1467.     libopenjpeg

  1468.     libopus

  1469.     libpulse

  1470.     librtmp

  1471.     librubberband

  1472.     libschroedinger

  1473.     libshine

  1474.     libsmbclient

  1475.     libsnappy

  1476.     libsoxr

  1477.     libspeex

  1478.     libssh

  1479.     libtesseract

  1480.     libtheora

  1481.     libtwolame

  1482.     libutvideo

  1483.     libv4l2

  1484.     libvidstab

  1485.     libvo_amrwbenc

  1486.     libvorbis

  1487.     libvpx

  1488.     libwavpack

  1489.     libwebp

  1490.     libx264

  1491.     libx265

  1492.     libxavs

  1493.     libxcb

  1494.     libxcb_shm

  1495.     libxcb_shape

  1496.     libxcb_xfixes

  1497.     libxvid

  1498.     libzimg

  1499.     libzmq

  1500.     libzvbi

  1501.     lzma

  1502.     mmal

  1503.     netcdf

  1504.     nvenc

  1505.     openal

  1506.     opencl

  1507.     opengl

  1508.     openssl

  1509.     schannel

  1510.     sdl

  1511.     securetransport

  1512.     x11grab

  1513.     xlib

  1514.     zlib

  1515. "

  1516. 

  1517. DOCUMENT_LIST="

  1518.     doc

  1519.     htmlpages

  1520.     manpages

  1521.     podpages

  1522.     txtpages

  1523. "

  1524. 

  1525. FEATURE_LIST="

  1526.     ftrapv

  1527.     gray

  1528.     hardcoded_tables

  1529.     runtime_cpudetect

  1530.     safe_bitstream_reader

  1531.     shared

  1532.     small

  1533.     static

  1534.     swscale_alpha

  1535. "

  1536. 

  1537. HWACCEL_LIST="

  1538.     d3d11va

  1539.     dxva2

  1540.     vaapi

  1541.     vda

  1542.     vdpau

  1543.     videotoolbox

  1544.     xvmc

  1545. "

  1546. 

  1547. LIBRARY_LIST="

  1548.     avcodec

  1549.     avdevice

  1550.     avfilter

  1551.     avformat

  1552.     avresample

  1553.     avutil

  1554.     postproc

  1555.     swresample

  1556.     swscale

  1557. "

  1558. 

  1559. LICENSE_LIST="

  1560.     gpl

  1561.     nonfree

  1562.     version3

  1563. "

  1564. 

  1565. PROGRAM_LIST="

  1566.     ffplay

  1567.     ffprobe

  1568.     ffserver

  1569.     ffmpeg

  1570. "

  1571. 

  1572. SUBSYSTEM_LIST="

  1573.     dct

  1574.     dwt

  1575.     error_resilience

  1576.     faan

  1577.     fast_unaligned

  1578.     fft

  1579.     lsp

  1580.     lzo

  1581.     mdct

  1582.     pixelutils

  1583.     network

  1584.     rdft

  1585. "

  1586. 

  1587. CONFIG_LIST="

  1588.     $COMPONENT_LIST

  1589.     $DOCUMENT_LIST

  1590.     $EXAMPLE_LIST

  1591.     $EXTERNAL_LIBRARY_LIST

  1592.     $FEATURE_LIST

  1593.     $HWACCEL_LIST

  1594.     $LICENSE_LIST

  1595.     $LIBRARY_LIST

  1596.     $PROGRAM_LIST

  1597.     $SUBSYSTEM_LIST

  1598.     fontconfig

  1599.     incompatible_libav_abi

  1600.     memalign_hack

  1601.     memory_poisoning

  1602.     neon_clobber_test

  1603.     pic

  1604.     pod2man

  1605.     raise_major

  1606.     thumb

  1607.     valgrind_backtrace

  1608.     xmm_clobber_test

  1609. "

  1610. 

  1611. THREADS_LIST="

  1612.     pthreads

  1613.     os2threads

  1614.     w32threads

  1615. "

  1616. 

  1617. ATOMICS_LIST="

  1618.     atomics_gcc

  1619.     atomics_suncc

  1620.     atomics_win32

  1621. "

  1622. 

  1623. ARCH_LIST="

  1624.     aarch64

  1625.     alpha

  1626.     arm

  1627.     avr32

  1628.     avr32_ap

  1629.     avr32_uc

  1630.     bfin

  1631.     ia64

  1632.     m68k

  1633.     mips

  1634.     mips64

  1635.     parisc

  1636.     ppc

  1637.     ppc64

  1638.     s390

  1639.     sh4

  1640.     sparc

  1641.     sparc64

  1642.     tilegx

  1643.     tilepro

  1644.     tomi

  1645.     x86

  1646.     x86_32

  1647.     x86_64

  1648. "

  1649. 

  1650. ARCH_EXT_LIST_ARM="

  1651.     armv5te

  1652.     armv6

  1653.     armv6t2

  1654.     armv8

  1655.     neon

  1656.     vfp

  1657.     vfpv3

  1658.     setend

  1659. "

  1660. 

  1661. ARCH_EXT_LIST_MIPS="

  1662.     mipsfpu

  1663.     mips32r2

  1664.     mips64r2

  1665.     mips32r6

  1666.     mips64r6

  1667.     mipsdsp

  1668.     mipsdspr2

  1669.     msa

  1670. "

  1671. 

  1672. ARCH_EXT_LIST_LOONGSON="

  1673.     loongson2

  1674.     loongson3

  1675.     mmi

  1676. "

  1677. 

  1678. ARCH_EXT_LIST_X86_SIMD="

  1679.     aesni

  1680.     amd3dnow

  1681.     amd3dnowext

  1682.     avx

  1683.     avx2

  1684.     fma3

  1685.     fma4

  1686.     mmx

  1687.     mmxext

  1688.     sse

  1689.     sse2

  1690.     sse3

  1691.     sse4

  1692.     sse42

  1693.     ssse3

  1694.     xop

  1695. "

  1696. 

  1697. ARCH_EXT_LIST_PPC="

  1698.     altivec

  1699.     dcbzl

  1700.     ldbrx

  1701.     power8

  1702.     ppc4xx

  1703.     vsx

  1704. "

  1705. 

  1706. ARCH_EXT_LIST_X86="

  1707.     $ARCH_EXT_LIST_X86_SIMD

  1708.     cpunop

  1709.     i686

  1710. "

  1711. 

  1712. ARCH_EXT_LIST="

  1713.     $ARCH_EXT_LIST_ARM

  1714.     $ARCH_EXT_LIST_PPC

  1715.     $ARCH_EXT_LIST_X86

  1716.     $ARCH_EXT_LIST_MIPS

  1717.     $ARCH_EXT_LIST_LOONGSON

  1718. "

  1719. 

  1720. ARCH_FEATURES="

  1721.     aligned_stack

  1722.     fast_64bit

  1723.     fast_clz

  1724.     fast_cmov

  1725.     local_aligned_8

  1726.     local_aligned_16

  1727.     local_aligned_32

  1728.     simd_align_16

  1729. "

  1730. 

  1731. BUILTIN_LIST="

  1732.     atomic_cas_ptr

  1733.     atomic_compare_exchange

  1734.     machine_rw_barrier

  1735.     MemoryBarrier

  1736.     mm_empty

  1737.     rdtsc

  1738.     sarestart

  1739.     sem_timedwait

  1740.     sync_val_compare_and_swap

  1741. "

  1742. HAVE_LIST_CMDLINE="

  1743.     inline_asm

  1744.     symver

  1745.     yasm

  1746. "

  1747. 

  1748. HAVE_LIST_PUB="

  1749.     bigendian

  1750.     fast_unaligned

  1751.     incompatible_libav_abi

  1752. "

  1753. 

  1754. HEADERS_LIST="

  1755.     alsa_asoundlib_h

  1756.     altivec_h

  1757.     arpa_inet_h

  1758.     asm_types_h

  1759.     cdio_paranoia_h

  1760.     cdio_paranoia_paranoia_h

  1761.     dispatch_dispatch_h

  1762.     dev_bktr_ioctl_bt848_h

  1763.     dev_bktr_ioctl_meteor_h

  1764.     dev_ic_bt8xx_h

  1765.     dev_video_bktr_ioctl_bt848_h

  1766.     dev_video_meteor_ioctl_meteor_h

  1767.     direct_h

  1768.     dirent_h

  1769.     dlfcn_h

  1770.     d3d11_h

  1771.     dxva_h

  1772.     ES2_gl_h

  1773.     gsm_h

  1774.     io_h

  1775.     mach_mach_time_h

  1776.     machine_ioctl_bt848_h

  1777.     machine_ioctl_meteor_h

  1778.     malloc_h

  1779.     opencv2_core_core_c_h

  1780.     openjpeg_2_1_openjpeg_h

  1781.     openjpeg_2_0_openjpeg_h

  1782.     openjpeg_1_5_openjpeg_h

  1783.     OpenGL_gl3_h

  1784.     poll_h

  1785.     sndio_h

  1786.     soundcard_h

  1787.     sys_mman_h

  1788.     sys_param_h

  1789.     sys_resource_h

  1790.     sys_select_h

  1791.     sys_soundcard_h

  1792.     sys_time_h

  1793.     sys_un_h

  1794.     sys_videoio_h

  1795.     termios_h

  1796.     udplite_h

  1797.     unistd_h

  1798.     valgrind_valgrind_h

  1799.     windows_h

  1800.     winsock2_h

  1801. "

  1802. 

  1803. INTRINSICS_LIST="

  1804.     intrinsics_neon

  1805. "

  1806. 

  1807. COMPLEX_FUNCS="

  1808.     cabs

  1809.     cexp

  1810. "

  1811. 

  1812. MATH_FUNCS="

  1813.     atanf

  1814.     atan2f

  1815.     cbrt

  1816.     cbrtf

  1817.     copysign

  1818.     cosf

  1819.     erf

  1820.     exp2

  1821.     exp2f

  1822.     expf

  1823.     hypot

  1824.     isfinite

  1825.     isinf

  1826.     isnan

  1827.     ldexpf

  1828.     llrint

  1829.     llrintf

  1830.     log2

  1831.     log2f

  1832.     log10f

  1833.     lrint

  1834.     lrintf

  1835.     powf

  1836.     rint

  1837.     round

  1838.     roundf

  1839.     sinf

  1840.     trunc

  1841.     truncf

  1842. "

  1843. 

  1844. SYSTEM_FUNCS="

  1845.     access

  1846.     aligned_malloc

  1847.     arc4random

  1848.     clock_gettime

  1849.     closesocket

  1850.     CommandLineToArgvW

  1851.     CoTaskMemFree

  1852.     CryptGenRandom

  1853.     dlopen

  1854.     fcntl

  1855.     flt_lim

  1856.     fork

  1857.     getaddrinfo

  1858.     gethrtime

  1859.     getopt

  1860.     GetProcessAffinityMask

  1861.     GetProcessMemoryInfo

  1862.     GetProcessTimes

  1863.     getrusage

  1864.     GetSystemTimeAsFileTime

  1865.     gettimeofday

  1866.     glob

  1867.     glXGetProcAddress

  1868.     gmtime_r

  1869.     inet_aton

  1870.     isatty

  1871.     jack_port_get_latency_range

  1872.     kbhit

  1873.     localtime_r

  1874.     lstat

  1875.     lzo1x_999_compress

  1876.     mach_absolute_time

  1877.     MapViewOfFile

  1878.     memalign

  1879.     mkstemp

  1880.     mmap

  1881.     mprotect

  1882.     nanosleep

  1883.     PeekNamedPipe

  1884.     posix_memalign

  1885.     pthread_cancel

  1886.     sched_getaffinity

  1887.     SetConsoleTextAttribute

  1888.     SetConsoleCtrlHandler

  1889.     setmode

  1890.     setrlimit

  1891.     Sleep

  1892.     strerror_r

  1893.     sysconf

  1894.     sysctl

  1895.     usleep

  1896.     UTGetOSTypeFromString

  1897.     VirtualAlloc

  1898.     wglGetProcAddress

  1899. "

  1900. 

  1901. TOOLCHAIN_FEATURES="

  1902.     as_dn_directive

  1903.     as_func

  1904.     as_object_arch

  1905.     asm_mod_q

  1906.     attribute_may_alias

  1907.     attribute_packed

  1908.     ebp_available

  1909.     ebx_available

  1910.     gnu_as

  1911.     gnu_windres

  1912.     ibm_asm

  1913.     inline_asm_direct_symbol_refs

  1914.     inline_asm_labels

  1915.     inline_asm_nonlocal_labels

  1916.     pragma_deprecated

  1917.     rsync_contimeout

  1918.     symver_asm_label

  1919.     symver_gnu_asm

  1920.     vfp_args

  1921.     xform_asm

  1922.     xmm_clobbers

  1923. "

  1924. 

  1925. TYPES_LIST="

  1926.     CONDITION_VARIABLE_Ptr

  1927.     socklen_t

  1928.     struct_addrinfo

  1929.     struct_group_source_req

  1930.     struct_ip_mreq_source

  1931.     struct_ipv6_mreq

  1932.     struct_pollfd

  1933.     struct_rusage_ru_maxrss

  1934.     struct_sctp_event_subscribe

  1935.     struct_sockaddr_in6

  1936.     struct_sockaddr_sa_len

  1937.     struct_sockaddr_storage

  1938.     struct_stat_st_mtim_tv_nsec

  1939.     struct_v4l2_frmivalenum_discrete

  1940. "

  1941. 

  1942. HAVE_LIST="

  1943.     $ARCH_EXT_LIST

  1944.     $(add_suffix _external $ARCH_EXT_LIST)

  1945.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1946.     $ARCH_FEATURES

  1947.     $ATOMICS_LIST

  1948.     $BUILTIN_LIST

  1949.     $COMPLEX_FUNCS

  1950.     $HAVE_LIST_CMDLINE

  1951.     $HAVE_LIST_PUB

  1952.     $HEADERS_LIST

  1953.     $INTRINSICS_LIST

  1954.     $MATH_FUNCS

  1955.     $SYSTEM_FUNCS

  1956.     $THREADS_LIST

  1957.     $TOOLCHAIN_FEATURES

  1958.     $TYPES_LIST

  1959.     atomics_native

  1960.     dos_paths

  1961.     dxva2_lib

  1962.     dxva2api_cobj

  1963.     libc_msvcrt

  1964.     libdc1394_1

  1965.     libdc1394_2

  1966.     makeinfo

  1967.     makeinfo_html

  1968.     perl

  1969.     pod2man

  1970.     sdl

  1971.     section_data_rel_ro

  1972.     texi2html

  1973.     threads

  1974.     vaapi_x11

  1975.     vdpau_x11

  1976.     winrt

  1977.     xlib

  1978. "

  1979. 

  1980. # options emitted with CONFIG_ prefix but not available on the command line

  1981. CONFIG_EXTRA="

  1982.     aandcttables

  1983.     ac3dsp

  1984.     audio_frame_queue

  1985.     audiodsp

  1986.     blockdsp

  1987.     bswapdsp

  1988.     cabac

  1989.     dirac_parse

  1990.     dvprofile

  1991.     exif

  1992.     faandct

  1993.     faanidct

  1994.     fdctdsp

  1995.     flacdsp

  1996.     fmtconvert

  1997.     frame_thread_encoder

  1998.     g722dsp

  1999.     golomb

  2000.     gplv3

  2001.     h263dsp

  2002.     h264chroma

  2003.     h264dsp

  2004.     h264pred

  2005.     h264qpel

  2006.     hpeldsp

  2007.     huffman

  2008.     huffyuvdsp

  2009.     huffyuvencdsp

  2010.     idctdsp

  2011.     iirfilter

  2012.     imdct15

  2013.     intrax8

  2014.     iso_media

  2015.     ividsp

  2016.     jpegtables

  2017.     lgplv3

  2018.     libx262

  2019.     llauddsp

  2020.     llviddsp

  2021.     lpc

  2022.     lzf

  2023.     me_cmp

  2024.     mpeg_er

  2025.     mpegaudio

  2026.     mpegaudiodsp

  2027.     mpegvideo

  2028.     mpegvideoenc

  2029.     mss34dsp

  2030.     pixblockdsp

  2031.     qpeldsp

  2032.     qsv

  2033.     qsvdec

  2034.     qsvenc

  2035.     rangecoder

  2036.     riffdec

  2037.     riffenc

  2038.     rtpdec

  2039.     rtpenc_chain

  2040.     rv34dsp

  2041.     sinewin

  2042.     snappy

  2043.     startcode

  2044.     texturedsp

  2045.     texturedspenc

  2046.     tpeldsp

  2047.     vc1dsp

  2048.     videodsp

  2049.     vp3dsp

  2050.     vp56dsp

  2051.     vp8dsp

  2052.     wma_freqs

  2053.     wmv2dsp

  2054. "

  2055. 

  2056. CMDLINE_SELECT="

  2057.     $ARCH_EXT_LIST

  2058.     $CONFIG_LIST

  2059.     $HAVE_LIST_CMDLINE

  2060.     $THREADS_LIST

  2061.     asm

  2062.     cross_compile

  2063.     debug

  2064.     extra_warnings

  2065.     logging

  2066.     lto

  2067.     optimizations

  2068.     rpath

  2069.     stripping

  2070. "

  2071. 

  2072. PATHS_LIST="

  2073.     bindir

  2074.     datadir

  2075.     docdir

  2076.     incdir

  2077.     libdir

  2078.     mandir

  2079.     pkgconfigdir

  2080.     prefix

  2081.     shlibdir

  2082.     install_name_dir

  2083. "

  2084. 

  2085. CMDLINE_SET="

  2086.     $PATHS_LIST

  2087.     ar

  2088.     arch

  2089.     as

  2090.     assert_level

  2091.     build_suffix

  2092.     cc

  2093.     objcc

  2094.     cpu

  2095.     cross_prefix

  2096.     custom_allocator

  2097.     cxx

  2098.     dep_cc

  2099.     doxygen

  2100.     env

  2101.     extra_version

  2102.     gas

  2103.     host_cc

  2104.     host_cflags

  2105.     host_ld

  2106.     host_ldflags

  2107.     host_libs

  2108.     host_os

  2109.     install

  2110.     ld

  2111.     logfile

  2112.     malloc_prefix

  2113.     nm

  2114.     optflags

  2115.     pkg_config

  2116.     pkg_config_flags

  2117.     progs_suffix

  2118.     random_seed

  2119.     ranlib

  2120.     samples

  2121.     strip

  2122.     sws_max_filter_size

  2123.     sysinclude

  2124.     sysroot

  2125.     target_exec

  2126.     target_os

  2127.     target_path

  2128.     target_samples

  2129.     tempprefix

  2130.     toolchain

  2131.     valgrind

  2132.     yasmexe

  2133. "

  2134. 

  2135. CMDLINE_APPEND="

  2136.     extra_cflags

  2137.     extra_cxxflags

  2138.     extra_objcflags

  2139.     host_cppflags

  2140. "

  2141. 

  2142. # code dependency declarations

  2143. 

  2144. # architecture extensions

  2145. 

  2146. armv5te_deps="arm"

  2147. armv6_deps="arm"

  2148. armv6t2_deps="arm"

  2149. armv8_deps="aarch64"

  2150. neon_deps_any="aarch64 arm"

  2151. intrinsics_neon_deps="neon"

  2152. vfp_deps_any="aarch64 arm"

  2153. vfpv3_deps="vfp"

  2154. setend_deps="arm"

  2155. 

  2156. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2157. 

  2158. mipsfpu_deps="mips"

  2159. mipsdsp_deps="mips"

  2160. mipsdspr2_deps="mips"

  2161. mips32r2_deps="mips"

  2162. mips32r6_deps="mips"

  2163. mips64r2_deps="mips"

  2164. mips64r6_deps="mips"

  2165. msa_deps="mips"

  2166. mmi_deps="mips"

  2167. 

  2168. altivec_deps="ppc"

  2169. dcbzl_deps="ppc"

  2170. ldbrx_deps="ppc"

  2171. ppc4xx_deps="ppc"

  2172. vsx_deps="altivec"

  2173. power8_deps="vsx"

  2174. 

  2175. cpunop_deps="i686"

  2176. x86_64_select="i686"

  2177. x86_64_suggest="fast_cmov"

  2178. 

  2179. amd3dnow_deps="mmx"

  2180. amd3dnowext_deps="amd3dnow"

  2181. i686_deps="x86"

  2182. mmx_deps="x86"

  2183. mmxext_deps="mmx"

  2184. sse_deps="mmxext"

  2185. sse2_deps="sse"

  2186. sse3_deps="sse2"

  2187. ssse3_deps="sse3"

  2188. sse4_deps="ssse3"

  2189. sse42_deps="sse4"

  2190. aesni_deps="sse42"

  2191. avx_deps="sse42"

  2192. xop_deps="avx"

  2193. fma3_deps="avx"

  2194. fma4_deps="avx"

  2195. avx2_deps="avx"

  2196. 

  2197. mmx_external_deps="yasm"

  2198. mmx_inline_deps="inline_asm"

  2199. mmx_suggest="mmx_external mmx_inline"

  2200. 

  2201. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2202.     eval dep=\$${ext}_deps

  2203.     eval ${ext}_external_deps='"${dep}_external"'

  2204.     eval ${ext}_inline_deps='"${dep}_inline"'

  2205.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2206. done

  2207. 

  2208. aligned_stack_if_any="aarch64 ppc x86"

  2209. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2210. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2211. fast_unaligned_if_any="aarch64 ppc x86"

  2212. simd_align_16_if_any="altivec neon sse"

  2213. 

  2214. # system capabilities

  2215. symver_if_any="symver_asm_label symver_gnu_asm"

  2216. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2217. 

  2218. # threading support

  2219. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2220. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2221. atomics_win32_if="MemoryBarrier"

  2222. atomics_native_if_any="$ATOMICS_LIST"

  2223. w32threads_deps="atomics_native"

  2224. threads_if_any="$THREADS_LIST"

  2225. 

  2226. # subsystems

  2227. dct_select="rdft"

  2228. dirac_parse_select="golomb"

  2229. error_resilience_select="me_cmp"

  2230. faandct_deps="faan fdctdsp"

  2231. faanidct_deps="faan idctdsp"

  2232. h264dsp_select="startcode"

  2233. frame_thread_encoder_deps="encoders threads"

  2234. intrax8_select="error_resilience"

  2235. mdct_select="fft"

  2236. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2237. mpeg_er_select="error_resilience"

  2238. mpegaudio_select="mpegaudiodsp"

  2239. mpegaudiodsp_select="dct"

  2240. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2241. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2242. qsvdec_select="qsv"

  2243. qsvenc_select="qsv"

  2244. vc1dsp_select="h264chroma qpeldsp startcode"

  2245. rdft_select="fft"

  2246. 

  2247. # decoders / encoders

  2248. aac_decoder_select="imdct15 mdct sinewin"

  2249. aac_fixed_decoder_select="mdct sinewin"

  2250. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2251. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2252. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2253. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2254. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2255. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2256. adpcm_g722_decoder_select="g722dsp"

  2257. adpcm_g722_encoder_select="g722dsp"

  2258. aic_decoder_select="golomb idctdsp"

  2259. alac_encoder_select="lpc"

  2260. als_decoder_select="bswapdsp"

  2261. amrnb_decoder_select="lsp"

  2262. amrwb_decoder_select="lsp"

  2263. amv_decoder_select="sp5x_decoder exif"

  2264. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2265. ape_decoder_select="bswapdsp llauddsp"

  2266. apng_decoder_select="zlib"

  2267. apng_encoder_select="huffyuvencdsp zlib"

  2268. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2269. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2270. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2271. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2272. atrac1_decoder_select="mdct sinewin"

  2273. atrac3_decoder_select="mdct"

  2274. atrac3p_decoder_select="mdct sinewin"

  2275. avrn_decoder_select="exif jpegtables"

  2276. bink_decoder_select="blockdsp hpeldsp"

  2277. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2278. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2279. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2280. cllc_decoder_select="bswapdsp"

  2281. comfortnoise_encoder_select="lpc"

  2282. cook_decoder_select="audiodsp mdct sinewin"

  2283. cscd_decoder_select="lzo"

  2284. cscd_decoder_suggest="zlib"

  2285. dca_decoder_select="mdct"

  2286. dds_decoder_select="texturedsp"

  2287. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2288. dnxhd_decoder_select="blockdsp idctdsp"

  2289. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2290. dvvideo_decoder_select="dvprofile idctdsp"

  2291. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2292. dxa_decoder_select="zlib"

  2293. dxv_decoder_select="lzf texturedsp"

  2294. eac3_decoder_select="ac3_decoder"

  2295. eac3_encoder_select="ac3_encoder"

  2296. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2297. eatgq_decoder_select="aandcttables"

  2298. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2299. exr_decoder_select="zlib"

  2300. ffv1_decoder_select="golomb rangecoder"

  2301. ffv1_encoder_select="rangecoder"

  2302. ffvhuff_decoder_select="huffyuv_decoder"

  2303. ffvhuff_encoder_select="huffyuv_encoder"

  2304. fic_decoder_select="golomb"

  2305. flac_decoder_select="flacdsp golomb"

  2306. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2307. flashsv2_decoder_select="zlib"

  2308. flashsv2_encoder_select="zlib"

  2309. flashsv_decoder_select="zlib"

  2310. flashsv_encoder_select="zlib"

  2311. flv_decoder_select="h263_decoder"

  2312. flv_encoder_select="h263_encoder"

  2313. fourxm_decoder_select="blockdsp bswapdsp"

  2314. fraps_decoder_select="bswapdsp huffman"

  2315. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2316. g729_decoder_select="audiodsp"

  2317. h261_decoder_select="mpegvideo"

  2318. h261_encoder_select="aandcttables mpegvideoenc"

  2319. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2320. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2321. h263i_decoder_select="h263_decoder"

  2322. h263p_decoder_select="h263_decoder"

  2323. h263p_encoder_select="h263_encoder"

  2324. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"

  2325. h264_decoder_suggest="error_resilience"

  2326. h264_qsv_decoder_deps="libmfx"

  2327. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2328. h264_qsv_encoder_deps="libmfx"

  2329. h264_qsv_encoder_select="qsvenc"

  2330. hap_decoder_select="snappy texturedsp"

  2331. hap_encoder_deps="libsnappy"

  2332. hap_encoder_select="texturedspenc"

  2333. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2334. hevc_qsv_decoder_deps="libmfx"

  2335. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2336. hevc_qsv_encoder_deps="libmfx"

  2337. hevc_qsv_encoder_select="qsvenc"

  2338. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2339. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2340. iac_decoder_select="imc_decoder"

  2341. imc_decoder_select="bswapdsp fft mdct sinewin"

  2342. indeo3_decoder_select="hpeldsp"

  2343. indeo4_decoder_select="ividsp"

  2344. indeo5_decoder_select="ividsp"

  2345. interplay_video_decoder_select="hpeldsp"

  2346. jpegls_decoder_select="golomb mjpeg_decoder"

  2347. jpegls_encoder_select="golomb"

  2348. jv_decoder_select="blockdsp"

  2349. lagarith_decoder_select="huffyuvdsp"

  2350. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2351. loco_decoder_select="golomb"

  2352. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2353. metasound_decoder_select="lsp mdct sinewin"

  2354. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2355. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2356. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2357. mjpegb_decoder_select="mjpeg_decoder"

  2358. mlp_decoder_select="mlp_parser"

  2359. motionpixels_decoder_select="bswapdsp"

  2360. mp1_decoder_select="mpegaudio"

  2361. mp1float_decoder_select="mpegaudio"

  2362. mp2_decoder_select="mpegaudio"

  2363. mp2float_decoder_select="mpegaudio"

  2364. mp3_decoder_select="mpegaudio"

  2365. mp3adu_decoder_select="mpegaudio"

  2366. mp3adufloat_decoder_select="mpegaudio"

  2367. mp3float_decoder_select="mpegaudio"

  2368. mp3on4_decoder_select="mpegaudio"

  2369. mp3on4float_decoder_select="mpegaudio"

  2370. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2371. mpc8_decoder_select="mpegaudiodsp"

  2372. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2373. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2374. mpegvideo_decoder_select="mpegvideo"

  2375. mpeg1video_decoder_select="mpegvideo"

  2376. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2377. mpeg2video_decoder_select="mpegvideo"

  2378. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2379. mpeg2_qsv_decoder_deps="libmfx"

  2380. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2381. mpeg2_qsv_encoder_deps="libmfx"

  2382. mpeg2_qsv_encoder_select="qsvenc"

  2383. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2384. mpeg4_encoder_select="h263_encoder"

  2385. msa1_decoder_select="mss34dsp"

  2386. msmpeg4v1_decoder_select="h263_decoder"

  2387. msmpeg4v2_decoder_select="h263_decoder"

  2388. msmpeg4v2_encoder_select="h263_encoder"

  2389. msmpeg4v3_decoder_select="h263_decoder"

  2390. msmpeg4v3_encoder_select="h263_encoder"

  2391. mss2_decoder_select="vc1_decoder mpegvideo"

  2392. mts2_decoder_select="mss34dsp"

  2393. mxpeg_decoder_select="mjpeg_decoder"

  2394. nellymoser_decoder_select="mdct sinewin"

  2395. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2396. nuv_decoder_select="idctdsp lzo"

  2397. on2avc_decoder_select="mdct"

  2398. opus_decoder_deps="swresample"

  2399. opus_decoder_select="imdct15"

  2400. png_decoder_select="zlib"

  2401. png_encoder_select="huffyuvencdsp zlib"

  2402. prores_decoder_select="blockdsp idctdsp"

  2403. prores_encoder_select="fdctdsp"

  2404. qcelp_decoder_select="lsp"

  2405. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2406. ra_144_decoder_select="audiodsp"

  2407. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2408. ralf_decoder_select="golomb"

  2409. rawvideo_decoder_select="bswapdsp"

  2410. rscc_decoder_select="zlib"

  2411. rtjpeg_decoder_select="me_cmp"

  2412. rv10_decoder_select="h263_decoder"

  2413. rv10_encoder_select="h263_encoder"

  2414. rv20_decoder_select="h263_decoder"

  2415. rv20_encoder_select="h263_encoder"

  2416. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2417. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2418. screenpresso_decoder_select="zlib"

  2419. shorten_decoder_select="golomb"

  2420. sipr_decoder_select="lsp"

  2421. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2422. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2423. sonic_decoder_select="golomb rangecoder"

  2424. sonic_encoder_select="golomb rangecoder"

  2425. sonic_ls_encoder_select="golomb rangecoder"

  2426. sp5x_decoder_select="mjpeg_decoder"

  2427. svq1_decoder_select="hpeldsp"

  2428. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2429. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2430. svq3_decoder_suggest="zlib"

  2431. tak_decoder_select="audiodsp"

  2432. tdsc_decoder_select="zlib mjpeg_decoder"

  2433. theora_decoder_select="vp3_decoder"

  2434. thp_decoder_select="mjpeg_decoder"

  2435. tiff_decoder_suggest="zlib lzma"

  2436. tiff_encoder_suggest="zlib"

  2437. truehd_decoder_select="mlp_parser"

  2438. truemotion2_decoder_select="bswapdsp"

  2439. truespeech_decoder_select="bswapdsp"

  2440. tscc_decoder_select="zlib"

  2441. twinvq_decoder_select="mdct lsp sinewin"

  2442. txd_decoder_select="texturedsp"

  2443. utvideo_decoder_select="bswapdsp"

  2444. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2445. vble_decoder_select="huffyuvdsp"

  2446. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2447. vc1_qsv_decoder_deps="libmfx"

  2448. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2449. vc1image_decoder_select="vc1_decoder"

  2450. vorbis_decoder_select="mdct"

  2451. vorbis_encoder_select="mdct"

  2452. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2453. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2454. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2455. vp6a_decoder_select="vp6_decoder"

  2456. vp6f_decoder_select="vp6_decoder"

  2457. vp7_decoder_select="h264pred videodsp vp8dsp"

  2458. vp8_decoder_select="h264pred videodsp vp8dsp"

  2459. vp9_decoder_select="videodsp vp9_parser"

  2460. webp_decoder_select="vp8_decoder exif"

  2461. wmalossless_decoder_select="llauddsp"

  2462. wmapro_decoder_select="mdct sinewin wma_freqs"

  2463. wmav1_decoder_select="mdct sinewin wma_freqs"

  2464. wmav1_encoder_select="mdct sinewin wma_freqs"

  2465. wmav2_decoder_select="mdct sinewin wma_freqs"

  2466. wmav2_encoder_select="mdct sinewin wma_freqs"

  2467. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2468. wmv1_decoder_select="h263_decoder"

  2469. wmv1_encoder_select="h263_encoder"

  2470. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2471. wmv2_encoder_select="h263_encoder wmv2dsp"

  2472. wmv3_decoder_select="vc1_decoder"

  2473. wmv3image_decoder_select="wmv3_decoder"

  2474. xma1_decoder_select="wmapro_decoder"

  2475. xma2_decoder_select="wmapro_decoder"

  2476. zerocodec_decoder_select="zlib"

  2477. zlib_decoder_select="zlib"

  2478. zlib_encoder_select="zlib"

  2479. zmbv_decoder_select="zlib"

  2480. zmbv_encoder_select="zlib"

  2481. 

  2482. # hardware accelerators

  2483. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2484. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2485. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2486. vaapi_deps="va_va_h"

  2487. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2488. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2489. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2490. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2491. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"

  2492. xvmc_deps="X11_extensions_XvMClib_h"

  2493. 

  2494. h263_vaapi_hwaccel_deps="vaapi"

  2495. h263_vaapi_hwaccel_select="h263_decoder"

  2496. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2497. h263_videotoolbox_hwaccel_select="h263_decoder"

  2498. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2499. h264_d3d11va_hwaccel_deps="d3d11va"

  2500. h264_d3d11va_hwaccel_select="h264_decoder"

  2501. h264_dxva2_hwaccel_deps="dxva2"

  2502. h264_dxva2_hwaccel_select="h264_decoder"

  2503. h264_mmal_decoder_deps="mmal"

  2504. h264_mmal_decoder_select="mmal"

  2505. h264_mmal_hwaccel_deps="mmal"

  2506. h264_qsv_hwaccel_deps="libmfx"

  2507. h264_vaapi_hwaccel_deps="vaapi"

  2508. h264_vaapi_hwaccel_select="h264_decoder"

  2509. h264_vda_decoder_deps="vda"

  2510. h264_vda_decoder_select="h264_decoder"

  2511. h264_vda_hwaccel_deps="vda"

  2512. h264_vda_hwaccel_select="h264_decoder"

  2513. h264_vda_old_hwaccel_deps="vda"

  2514. h264_vda_old_hwaccel_select="h264_decoder"

  2515. h264_vdpau_decoder_deps="vdpau"

  2516. h264_vdpau_decoder_select="h264_decoder"

  2517. h264_vdpau_hwaccel_deps="vdpau"

  2518. h264_vdpau_hwaccel_select="h264_decoder"

  2519. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2520. h264_videotoolbox_hwaccel_select="h264_decoder"

  2521. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2522. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2523. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2524. hevc_dxva2_hwaccel_select="hevc_decoder"

  2525. hevc_qsv_hwaccel_deps="libmfx"

  2526. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2527. hevc_vaapi_hwaccel_select="hevc_decoder"

  2528. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2529. hevc_vdpau_hwaccel_select="hevc_decoder"

  2530. mpeg_vdpau_decoder_deps="vdpau"

  2531. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2532. mpeg_xvmc_hwaccel_deps="xvmc"

  2533. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2534. mpeg1_vdpau_decoder_deps="vdpau"

  2535. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2536. mpeg1_vdpau_hwaccel_deps="vdpau"

  2537. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2538. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2539. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2540. mpeg1_xvmc_hwaccel_deps="xvmc"

  2541. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2542. mpeg2_crystalhd_decoder_select="crystalhd"

  2543. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2544. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2545. mpeg2_dxva2_hwaccel_deps="dxva2"

  2546. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2547. mpeg2_mmal_decoder_deps="mmal"

  2548. mpeg2_mmal_decoder_select="mmal"

  2549. mpeg2_mmal_hwaccel_deps="mmal"

  2550. mpeg2_qsv_hwaccel_deps="libmfx"

  2551. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2552. mpeg2_vaapi_hwaccel_deps="vaapi"

  2553. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2554. mpeg2_vdpau_hwaccel_deps="vdpau"

  2555. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2556. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2557. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2558. mpeg2_xvmc_hwaccel_deps="xvmc"

  2559. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2560. mpeg4_crystalhd_decoder_select="crystalhd"

  2561. mpeg4_mmal_decoder_deps="mmal"

  2562. mpeg4_mmal_decoder_select="mmal"

  2563. mpeg4_mmal_hwaccel_deps="mmal"

  2564. mpeg4_vaapi_hwaccel_deps="vaapi"

  2565. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2566. mpeg4_vdpau_decoder_deps="vdpau"

  2567. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2568. mpeg4_vdpau_hwaccel_deps="vdpau"

  2569. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2570. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2571. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2572. msmpeg4_crystalhd_decoder_select="crystalhd"

  2573. vc1_crystalhd_decoder_select="crystalhd"

  2574. vc1_d3d11va_hwaccel_deps="d3d11va"

  2575. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2576. vc1_dxva2_hwaccel_deps="dxva2"

  2577. vc1_dxva2_hwaccel_select="vc1_decoder"

  2578. vc1_mmal_decoder_deps="mmal"

  2579. vc1_mmal_decoder_select="mmal"

  2580. vc1_mmal_hwaccel_deps="mmal"

  2581. vc1_qsv_hwaccel_deps="libmfx"

  2582. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2583. vc1_vaapi_hwaccel_deps="vaapi"

  2584. vc1_vaapi_hwaccel_select="vc1_decoder"

  2585. vc1_vdpau_decoder_deps="vdpau"

  2586. vc1_vdpau_decoder_select="vc1_decoder"

  2587. vc1_vdpau_hwaccel_deps="vdpau"

  2588. vc1_vdpau_hwaccel_select="vc1_decoder"

  2589. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2590. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2591. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2592. vp9_dxva2_hwaccel_select="vp9_decoder"

  2593. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2594. vp9_vaapi_hwaccel_select="vp9_decoder"

  2595. wmv3_crystalhd_decoder_select="crystalhd"

  2596. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2597. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2598. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2599. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2600. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2601. 

  2602. # parsers

  2603. h264_parser_select="h264_decoder"

  2604. hevc_parser_select="golomb"

  2605. mpegvideo_parser_select="mpegvideo"

  2606. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2607. vc1_parser_select="vc1dsp"

  2608. 

  2609. # bitstream_filters

  2610. mjpeg2jpeg_bsf_select="jpegtables"

  2611. 

  2612. # external libraries

  2613. chromaprint_muxer_deps="chromaprint"

  2614. libcelt_decoder_deps="libcelt"

  2615. libdcadec_decoder_deps="libdcadec"

  2616. libfaac_encoder_deps="libfaac"

  2617. libfaac_encoder_select="audio_frame_queue"

  2618. libfdk_aac_decoder_deps="libfdk_aac"

  2619. libfdk_aac_encoder_deps="libfdk_aac"

  2620. libfdk_aac_encoder_select="audio_frame_queue"

  2621. libgme_demuxer_deps="libgme"

  2622. libgsm_decoder_deps="libgsm"

  2623. libgsm_encoder_deps="libgsm"

  2624. libgsm_ms_decoder_deps="libgsm"

  2625. libgsm_ms_encoder_deps="libgsm"

  2626. libilbc_decoder_deps="libilbc"

  2627. libilbc_encoder_deps="libilbc"

  2628. libkvazaar_encoder_deps="libkvazaar"

  2629. libmodplug_demuxer_deps="libmodplug"

  2630. libmp3lame_encoder_deps="libmp3lame"

  2631. libmp3lame_encoder_select="audio_frame_queue"

  2632. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2633. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2634. libopencore_amrnb_encoder_select="audio_frame_queue"

  2635. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2636. libopenh264_encoder_deps="libopenh264"

  2637. libopenjpeg_decoder_deps="libopenjpeg"

  2638. libopenjpeg_encoder_deps="libopenjpeg"

  2639. libopus_decoder_deps="libopus"

  2640. libopus_encoder_deps="libopus"

  2641. libopus_encoder_select="audio_frame_queue"

  2642. libschroedinger_decoder_deps="libschroedinger"

  2643. libschroedinger_encoder_deps="libschroedinger"

  2644. libshine_encoder_deps="libshine"

  2645. libshine_encoder_select="audio_frame_queue"

  2646. libspeex_decoder_deps="libspeex"

  2647. libspeex_encoder_deps="libspeex"

  2648. libspeex_encoder_select="audio_frame_queue"

  2649. libtheora_encoder_deps="libtheora"

  2650. libtwolame_encoder_deps="libtwolame"

  2651. libutvideo_decoder_deps="libutvideo"

  2652. libutvideo_encoder_deps="libutvideo"

  2653. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2654. libvorbis_decoder_deps="libvorbis"

  2655. libvorbis_encoder_deps="libvorbis"

  2656. libvorbis_encoder_select="audio_frame_queue"

  2657. libvpx_vp8_decoder_deps="libvpx"

  2658. libvpx_vp8_encoder_deps="libvpx"

  2659. libvpx_vp9_decoder_deps="libvpx"

  2660. libvpx_vp9_encoder_deps="libvpx"

  2661. libwavpack_encoder_deps="libwavpack"

  2662. libwebp_encoder_deps="libwebp"

  2663. libwebp_anim_encoder_deps="libwebp"

  2664. libx262_encoder_deps="libx262"

  2665. libx264_encoder_deps="libx264"

  2666. libx264rgb_encoder_deps="libx264"

  2667. libx264rgb_encoder_select="libx264_encoder"

  2668. libx265_encoder_deps="libx265"

  2669. libxavs_encoder_deps="libxavs"

  2670. libxvid_encoder_deps="libxvid"

  2671. libzvbi_teletext_decoder_deps="libzvbi"

  2672. nvenc_encoder_deps="nvenc"

  2673. nvenc_h264_encoder_deps="nvenc"

  2674. nvenc_hevc_encoder_deps="nvenc"

  2675. 

  2676. # demuxers / muxers

  2677. ac3_demuxer_select="ac3_parser"

  2678. asf_demuxer_select="riffdec"

  2679. asf_o_demuxer_select="riffdec"

  2680. asf_muxer_select="riffenc"

  2681. asf_stream_muxer_select="asf_muxer"

  2682. avi_demuxer_select="iso_media riffdec exif"

  2683. avi_muxer_select="riffenc"

  2684. avisynth_demuxer_deps="avisynth"

  2685. avisynth_demuxer_select="riffdec"

  2686. caf_demuxer_select="iso_media riffdec"

  2687. dash_muxer_select="mp4_muxer"

  2688. dirac_demuxer_select="dirac_parser"

  2689. dts_demuxer_select="dca_parser"

  2690. dtshd_demuxer_select="dca_parser"

  2691. dv_demuxer_select="dvprofile"

  2692. dv_muxer_select="dvprofile"

  2693. dxa_demuxer_select="riffdec"

  2694. eac3_demuxer_select="ac3_parser"

  2695. f4v_muxer_select="mov_muxer"

  2696. flac_demuxer_select="flac_parser"

  2697. hds_muxer_select="flv_muxer"

  2698. hls_muxer_select="mpegts_muxer"

  2699. image2_alias_pix_demuxer_select="image2_demuxer"

  2700. image2_brender_pix_demuxer_select="image2_demuxer"

  2701. ipod_muxer_select="mov_muxer"

  2702. ismv_muxer_select="mov_muxer"

  2703. libnut_demuxer_deps="libnut"

  2704. libnut_muxer_deps="libnut"

  2705. matroska_audio_muxer_select="matroska_muxer"

  2706. matroska_demuxer_select="iso_media riffdec"

  2707. matroska_demuxer_suggest="bzlib lzo zlib"

  2708. matroska_muxer_select="iso_media riffenc"

  2709. mmf_muxer_select="riffenc"

  2710. mov_demuxer_select="iso_media riffdec"

  2711. mov_demuxer_suggest="zlib"

  2712. mov_muxer_select="iso_media riffenc rtpenc_chain"

  2713. mp3_demuxer_select="mpegaudio_parser"

  2714. mp4_muxer_select="mov_muxer"

  2715. mpegts_demuxer_select="iso_media"

  2716. mpegts_muxer_select="adts_muxer latm_muxer"

  2717. mpegtsraw_demuxer_select="mpegts_demuxer"

  2718. mxf_d10_muxer_select="mxf_muxer"

  2719. mxf_opatom_muxer_select="mxf_muxer"

  2720. nut_muxer_select="riffenc"

  2721. nuv_demuxer_select="riffdec"

  2722. oga_muxer_select="ogg_muxer"

  2723. ogg_demuxer_select="dirac_parse"

  2724. opus_muxer_select="ogg_muxer"

  2725. psp_muxer_select="mov_muxer"

  2726. rtp_demuxer_select="sdp_demuxer"

  2727. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2728. rtsp_demuxer_select="http_protocol rtpdec"

  2729. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2730. sap_demuxer_select="sdp_demuxer"

  2731. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2732. sdp_demuxer_select="rtpdec"

  2733. smoothstreaming_muxer_select="ismv_muxer"

  2734. spdif_muxer_select="aac_parser"

  2735. spx_muxer_select="ogg_muxer"

  2736. swf_demuxer_suggest="zlib"

  2737. tak_demuxer_select="tak_parser"

  2738. tg2_muxer_select="mov_muxer"

  2739. tgp_muxer_select="mov_muxer"

  2740. vobsub_demuxer_select="mpegps_demuxer"

  2741. w64_demuxer_select="wav_demuxer"

  2742. w64_muxer_select="wav_muxer"

  2743. wav_demuxer_select="riffdec"

  2744. wav_muxer_select="riffenc"

  2745. webm_muxer_select="iso_media riffenc"

  2746. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2747. wtv_demuxer_select="mpegts_demuxer riffdec"

  2748. wtv_muxer_select="mpegts_muxer riffenc"

  2749. xmv_demuxer_select="riffdec"

  2750. xwma_demuxer_select="riffdec"

  2751. 

  2752. # indevs / outdevs

  2753. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2754. alsa_outdev_deps="alsa_asoundlib_h"

  2755. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2756. avfoundation_indev_select="avfoundation"

  2757. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2758. caca_outdev_deps="libcaca"

  2759. decklink_indev_deps="decklink pthreads"

  2760. decklink_indev_extralibs="-lstdc++"

  2761. decklink_outdev_deps="decklink pthreads"

  2762. decklink_outdev_extralibs="-lstdc++"

  2763. dshow_indev_deps="IBaseFilter"

  2764. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2765. dv1394_indev_deps="dv1394"

  2766. dv1394_indev_select="dv_demuxer"

  2767. fbdev_indev_deps="linux_fb_h"

  2768. fbdev_outdev_deps="linux_fb_h"

  2769. gdigrab_indev_deps="CreateDIBSection"

  2770. gdigrab_indev_extralibs="-lgdi32"

  2771. gdigrab_indev_select="bmp_decoder"

  2772. iec61883_indev_deps="libiec61883"

  2773. jack_indev_deps="jack_jack_h"

  2774. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2775. lavfi_indev_deps="avfilter"

  2776. libcdio_indev_deps="libcdio"

  2777. libdc1394_indev_deps="libdc1394"

  2778. libv4l2_indev_deps="libv4l2"

  2779. openal_indev_deps="openal"

  2780. opengl_outdev_deps="opengl"

  2781. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2782. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2783. pulse_indev_deps="libpulse"

  2784. pulse_outdev_deps="libpulse"

  2785. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2786. qtkit_indev_select="qtkit"

  2787. sdl_outdev_deps="sdl"

  2788. sndio_indev_deps="sndio_h"

  2789. sndio_outdev_deps="sndio_h"

  2790. v4l_indev_deps="linux_videodev_h"

  2791. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2792. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2793. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2794. vfwcap_indev_extralibs="-lavicap32"

  2795. x11grab_indev_deps="x11grab"

  2796. x11grab_xcb_indev_deps="libxcb"

  2797. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2798. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2799. 

  2800. # protocols

  2801. async_protocol_deps="threads"

  2802. bluray_protocol_deps="libbluray"

  2803. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2804. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2805. ffrtmpcrypt_protocol_select="tcp_protocol"

  2806. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2807. ffrtmphttp_protocol_select="http_protocol"

  2808. ftp_protocol_select="tcp_protocol"

  2809. gopher_protocol_select="network"

  2810. http_protocol_select="tcp_protocol"

  2811. httpproxy_protocol_select="tcp_protocol"

  2812. https_protocol_select="tls_protocol"

  2813. icecast_protocol_select="http_protocol"

  2814. librtmp_protocol_deps="librtmp"

  2815. librtmpe_protocol_deps="librtmp"

  2816. librtmps_protocol_deps="librtmp"

  2817. librtmpt_protocol_deps="librtmp"

  2818. librtmpte_protocol_deps="librtmp"

  2819. libsmbclient_protocol_deps="libsmbclient gplv3"

  2820. libssh_protocol_deps="libssh"

  2821. mmsh_protocol_select="http_protocol"

  2822. mmst_protocol_select="network"

  2823. rtmp_protocol_deps="!librtmp_protocol"

  2824. rtmp_protocol_select="tcp_protocol"

  2825. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2826. rtmps_protocol_deps="!librtmp_protocol"

  2827. rtmps_protocol_select="tls_protocol"

  2828. rtmpt_protocol_select="ffrtmphttp_protocol"

  2829. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2830. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2831. rtp_protocol_select="udp_protocol"

  2832. sctp_protocol_deps="struct_sctp_event_subscribe"

  2833. sctp_protocol_select="network"

  2834. srtp_protocol_select="rtp_protocol"

  2835. tcp_protocol_select="network"

  2836. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2837. tls_gnutls_protocol_select="tcp_protocol"

  2838. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2839. tls_openssl_protocol_select="tcp_protocol"

  2840. tls_schannel_protocol_deps="schannel"

  2841. tls_schannel_protocol_select="tcp_protocol"

  2842. tls_securetransport_protocol_deps="securetransport"

  2843. tls_securetransport_protocol_select="tcp_protocol"

  2844. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2845. udp_protocol_select="network"

  2846. udplite_protocol_select="network"

  2847. unix_protocol_deps="sys_un_h"

  2848. unix_protocol_select="network"

  2849. 

  2850. # filters

  2851. afftfilt_filter_deps="avcodec"

  2852. afftfilt_filter_select="fft"

  2853. amovie_filter_deps="avcodec avformat"

  2854. aresample_filter_deps="swresample"

  2855. ass_filter_deps="libass"

  2856. asyncts_filter_deps="avresample"

  2857. atempo_filter_deps="avcodec"

  2858. atempo_filter_select="rdft"

  2859. azmq_filter_deps="libzmq"

  2860. blackframe_filter_deps="gpl"

  2861. boxblur_filter_deps="gpl"

  2862. bs2b_filter_deps="libbs2b"

  2863. colormatrix_filter_deps="gpl"

  2864. cover_rect_filter_deps="avcodec avformat gpl"

  2865. cropdetect_filter_deps="gpl"

  2866. delogo_filter_deps="gpl"

  2867. deshake_filter_select="pixelutils"

  2868. drawtext_filter_deps="libfreetype"

  2869. ebur128_filter_deps="gpl"

  2870. eq_filter_deps="gpl"

  2871. fftfilt_filter_deps="avcodec"

  2872. fftfilt_filter_select="rdft"

  2873. find_rect_filter_deps="avcodec avformat gpl"

  2874. firequalizer_filter_deps="avcodec"

  2875. firequalizer_filter_select="rdft"

  2876. flite_filter_deps="libflite"

  2877. frei0r_filter_deps="frei0r dlopen"

  2878. frei0r_src_filter_deps="frei0r dlopen"

  2879. fspp_filter_deps="gpl"

  2880. geq_filter_deps="gpl"

  2881. histeq_filter_deps="gpl"

  2882. hqdn3d_filter_deps="gpl"

  2883. hwupload_cuda_filter_deps="cuda"

  2884. interlace_filter_deps="gpl"

  2885. kerndeint_filter_deps="gpl"

  2886. ladspa_filter_deps="ladspa dlopen"

  2887. mcdeint_filter_deps="avcodec gpl"

  2888. movie_filter_deps="avcodec avformat"

  2889. mpdecimate_filter_deps="gpl"

  2890. mpdecimate_filter_select="pixelutils"

  2891. mptestsrc_filter_deps="gpl"

  2892. negate_filter_deps="lut_filter"

  2893. nnedi_filter_deps="gpl"

  2894. ocr_filter_deps="libtesseract"

  2895. ocv_filter_deps="libopencv"

  2896. owdenoise_filter_deps="gpl"

  2897. pan_filter_deps="swresample"

  2898. perspective_filter_deps="gpl"

  2899. phase_filter_deps="gpl"

  2900. pp7_filter_deps="gpl"

  2901. pp_filter_deps="gpl postproc"

  2902. pullup_filter_deps="gpl"

  2903. removelogo_filter_deps="avcodec avformat swscale"

  2904. repeatfields_filter_deps="gpl"

  2905. resample_filter_deps="avresample"

  2906. rubberband_filter_deps="librubberband"

  2907. sab_filter_deps="gpl swscale"

  2908. scale2ref_filter_deps="swscale"

  2909. scale_filter_deps="swscale"

  2910. select_filter_select="pixelutils"

  2911. showcqt_filter_deps="avcodec avformat swscale"

  2912. showcqt_filter_select="fft"

  2913. showfreqs_filter_deps="avcodec"

  2914. showfreqs_filter_select="fft"

  2915. showspectrum_filter_deps="avcodec"

  2916. showspectrum_filter_select="fft"

  2917. showspectrumpic_filter_deps="avcodec"

  2918. showspectrumpic_filter_select="fft"

  2919. smartblur_filter_deps="gpl swscale"

  2920. sofalizer_filter_deps="netcdf avcodec"

  2921. sofalizer_filter_select="fft"

  2922. spectrumsynth_filter_deps="avcodec"

  2923. spectrumsynth_filter_select="fft"

  2924. spp_filter_deps="gpl avcodec"

  2925. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2926. stereo3d_filter_deps="gpl"

  2927. subtitles_filter_deps="avformat avcodec libass"

  2928. super2xsai_filter_deps="gpl"

  2929. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2930. tinterlace_filter_deps="gpl"

  2931. tinterlace_merge_test_deps="tinterlace_filter"

  2932. tinterlace_pad_test_deps="tinterlace_filter"

  2933. uspp_filter_deps="gpl avcodec"

  2934. vidstabdetect_filter_deps="libvidstab"

  2935. vidstabtransform_filter_deps="libvidstab"

  2936. zmq_filter_deps="libzmq"

  2937. zoompan_filter_deps="swscale"

  2938. zscale_filter_deps="libzimg"

  2939. 

  2940. # examples

  2941. avcodec_example_deps="avcodec avutil"

  2942. avio_dir_cmd="avformat avutil"

  2943. avio_reading="avformat avcodec avutil"

  2944. decoding_encoding_example_deps="avcodec avformat avutil"

  2945. demuxing_decoding_example_deps="avcodec avformat avutil"

  2946. extract_mvs_example_deps="avcodec avformat avutil"

  2947. filter_audio_example_deps="avfilter avutil"

  2948. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2949. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2950. metadata_example_deps="avformat avutil"

  2951. muxing_example_deps="avcodec avformat avutil swscale"

  2952. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2953. remuxing_example_deps="avcodec avformat avutil"

  2954. resampling_audio_example_deps="avutil swresample"

  2955. scaling_video_example_deps="avutil swscale"

  2956. transcode_aac_example_deps="avcodec avformat swresample"

  2957. transcoding_example_deps="avfilter avcodec avformat avutil"

  2958. 

  2959. # libraries, in linking order

  2960. avcodec_deps="avutil"

  2961. avdevice_deps="avformat avcodec avutil"

  2962. avfilter_deps="avutil"

  2963. avformat_deps="avcodec avutil"

  2964. avresample_deps="avutil"

  2965. postproc_deps="avutil gpl"

  2966. swresample_deps="avutil"

  2967. swscale_deps="avutil"

  2968. 

  2969. # programs

  2970. ffmpeg_deps="avcodec avfilter avformat swresample"

  2971. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2972.                null_filter

  2973.                setpts_filter trim_filter"

  2974. ffplay_deps="avcodec avformat swscale swresample sdl"

  2975. ffplay_libs='$sdl_libs'

  2976. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2977. ffprobe_deps="avcodec avformat"

  2978. ffserver_deps="avformat fork sarestart"

  2979. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2980. 

  2981. # documentation

  2982. podpages_deps="perl"

  2983. manpages_deps="perl pod2man"

  2984. htmlpages_deps="perl"

  2985. htmlpages_deps_any="makeinfo_html texi2html"

  2986. txtpages_deps="perl makeinfo"

  2987. doc_deps_any="manpages htmlpages podpages txtpages"

  2988. 

  2989. # default parameters

  2990. 

  2991. logfile="config.log"

  2992. 

  2993. # installation paths

  2994. prefix_default="/usr/local"

  2995. bindir_default='${prefix}/bin'

  2996. datadir_default='${prefix}/share/ffmpeg'

  2997. docdir_default='${prefix}/share/doc/ffmpeg'

  2998. incdir_default='${prefix}/include'

  2999. libdir_default='${prefix}/lib'

  3000. mandir_default='${prefix}/share/man'

  3001. 

  3002. # toolchain

  3003. ar_default="ar"

  3004. cc_default="gcc"

  3005. cxx_default="g++"

  3006. host_cc_default="gcc"

  3007. cp_f="cp -f"

  3008. doxygen_default="doxygen"

  3009. install="install"

  3010. ln_s="ln -s -f"

  3011. nm_default="nm -g"

  3012. objformat="elf"

  3013. pkg_config_default=pkg-config

  3014. ranlib_default="ranlib"

  3015. strip_default="strip"

  3016. yasmexe_default="yasm"

  3017. windres_default="windres"

  3018. 

  3019. # OS

  3020. target_os_default=$(tolower $(uname -s))

  3021. host_os=$target_os_default

  3022. 

  3023. # machine

  3024. if test "$target_os_default" = aix; then

  3025.     arch_default=$(uname -p)

  3026.     strip_default="strip -X32_64"

  3027. else

  3028.     arch_default=$(uname -m)

  3029. fi

  3030. cpu="generic"

  3031. intrinsics="none"

  3032. 

  3033. # configurable options

  3034. enable $PROGRAM_LIST

  3035. enable $DOCUMENT_LIST

  3036. enable $EXAMPLE_LIST

  3037. enable $(filter_out avresample $LIBRARY_LIST)

  3038. enable stripping

  3039. 

  3040. enable asm

  3041. enable debug

  3042. enable doc

  3043. enable faan faandct faanidct

  3044. enable optimizations

  3045. enable runtime_cpudetect

  3046. enable safe_bitstream_reader

  3047. enable static

  3048. enable swscale_alpha

  3049. enable valgrind_backtrace

  3050. 

  3051. sws_max_filter_size_default=256

  3052. set_default sws_max_filter_size

  3053. 

  3054. # Enable hwaccels by default.

  3055. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  3056. enable xlib

  3057. 

  3058. # build settings

  3059. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3060. LIBPREF="lib"

  3061. LIBSUF=".a"

  3062. FULLNAME='$(NAME)$(BUILDSUF)'

  3063. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3064. SLIBPREF="lib"

  3065. SLIBSUF=".so"

  3066. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3067. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3068. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3069. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3070. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3071. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3072. 

  3073. asflags_filter=echo

  3074. cflags_filter=echo

  3075. ldflags_filter=echo

  3076. 

  3077. AS_C='-c'

  3078. AS_O='-o $@'

  3079. CC_C='-c'

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

  3081. CC_O='-o $@'

  3082. CXX_C='-c'

  3083. CXX_O='-o $@'

  3084. OBJCC_C='-c'

  3085. OBJCC_E='-E -o $@'

  3086. OBJCC_O='-o $@'

  3087. LD_O='-o $@'

  3088. LD_LIB='-l%'

  3089. LD_PATH='-L'

  3090. HOSTCC_C='-c'

  3091. HOSTCC_E='-E -o $@'

  3092. HOSTCC_O='-o $@'

  3093. HOSTLD_O='-o $@'

  3094. 

  3095. host_libs='-lm'

  3096. host_cflags_filter=echo

  3097. host_ldflags_filter=echo

  3098. 

  3099. target_path='$(CURDIR)'

  3100. 

  3101. # since the object filename is not given with the -MM flag, the compiler

  3102. # is only able to print the basename, and we must add the path ourselves

  3103. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3104. DEPFLAGS='-MM'

  3105. 

  3106. # find source path

  3107. if test -f configure; then

  3108.     source_path=.

  3109. else

  3110.     source_path=$(cd $(dirname "$0"); pwd)

  3111.     case "$source_path" in

  3112.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3113.     esac

  3114.     test -e "$source_path/config.h" &&

  3115.         die "Out of tree builds are impossible with config.h in source dir."

  3116. fi

  3117. 

  3118. for v in "$@"; do

  3119.     r=${v#*=}

  3120.     l=${v%"$r"}

  3121.     r=$(sh_quote "$r")

  3122.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3123. done

  3124. 

  3125. find_things(){

  3126.     thing=$1

  3127.     pattern=$2

  3128.     file=$source_path/$3

  3129.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3130. }

  3131. 

  3132. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3133. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3134. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3135. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3136. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3137. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3138. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3139. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3140. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3141. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3142. 

  3143. find_things_extern(){

  3144.     thing=$1

  3145.     pattern=$2

  3146.     file=$source_path/$3

  3147.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3148. }

  3149. 

  3150. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3151. 

  3152. ALL_COMPONENTS="

  3153.     $BSF_LIST

  3154.     $DECODER_LIST

  3155.     $DEMUXER_LIST

  3156.     $ENCODER_LIST

  3157.     $FILTER_LIST

  3158.     $HWACCEL_LIST

  3159.     $INDEV_LIST

  3160.     $MUXER_LIST

  3161.     $OUTDEV_LIST

  3162.     $PARSER_LIST

  3163.     $PROTOCOL_LIST

  3164. "

  3165. 

  3166. for n in $COMPONENT_LIST; do

  3167.     v=$(toupper ${n%s})_LIST

  3168.     eval enable \$$v

  3169.     eval ${n}_if_any="\$$v"

  3170. done

  3171. 

  3172. enable $ARCH_EXT_LIST

  3173. 

  3174. die_unknown(){

  3175.     echo "Unknown option \"$1\"."

  3176.     echo "See $0 --help for available options."

  3177.     exit 1

  3178. }

  3179. 

  3180. print_in_columns() {

  3181.     cols=$(expr $ncols / 24)

  3182.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3183. }

  3184. 

  3185. show_list() {

  3186.     suffix=_$1

  3187.     shift

  3188.     echo $* | sed s/$suffix//g | print_in_columns

  3189.     exit 0

  3190. }

  3191. 

  3192. rand_list(){

  3193.     IFS=', '

  3194.     set -- $*

  3195.     unset IFS

  3196.     for thing; do

  3197.         comp=${thing%:*}

  3198.         prob=${thing#$comp}

  3199.         prob=${prob#:}

  3200.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3201.         echo "prob ${prob:-0.5}"

  3202.         printf '%s\n' $comp

  3203.     done

  3204. }

  3205. 

  3206. do_random(){

  3207.     action=$1

  3208.     shift

  3209.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3210.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3211. }

  3212. 

  3213. for opt do

  3214.     optval="${opt#*=}"

  3215.     case "$opt" in

  3216.         --extra-ldflags=*)

  3217.             add_ldflags $optval

  3218.         ;;

  3219.         --extra-ldexeflags=*)

  3220.             add_ldexeflags $optval

  3221.         ;;

  3222.         --extra-ldlibflags=*)

  3223.             add_ldlibflags $optval

  3224.         ;;

  3225.         --extra-libs=*)

  3226.             add_extralibs $optval

  3227.         ;;

  3228.         --disable-devices)

  3229.             disable $INDEV_LIST $OUTDEV_LIST

  3230.         ;;

  3231.         --enable-debug=*)

  3232.             debuglevel="$optval"

  3233.         ;;

  3234.         --disable-programs)

  3235.             disable $PROGRAM_LIST

  3236.         ;;

  3237.         --disable-everything)

  3238.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3239.         ;;

  3240.         --disable-all)

  3241.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3242.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3243.             enable avutil

  3244.         ;;

  3245.         --enable-random|--disable-random)

  3246.             action=${opt%%-random}

  3247.             do_random ${action#--} $COMPONENT_LIST

  3248.         ;;

  3249.         --enable-random=*|--disable-random=*)

  3250.             action=${opt%%-random=*}

  3251.             do_random ${action#--} $optval

  3252.         ;;

  3253.         --enable-*=*|--disable-*=*)

  3254.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3255.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3256.             eval list=\$$(toupper $thing)_LIST

  3257.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3258.             list=$(filter "$name" $list)

  3259.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3260.             $action $list

  3261.         ;;

  3262.         --enable-?*|--disable-?*)

  3263.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3264.             if is_in $option $COMPONENT_LIST; then

  3265.                 test $action = disable && action=unset

  3266.                 eval $action \$$(toupper ${option%s})_LIST

  3267.             elif is_in $option $CMDLINE_SELECT; then

  3268.                 $action $option

  3269.             else

  3270.                 die_unknown $opt

  3271.             fi

  3272.         ;;

  3273.         --list-*)

  3274.             NAME="${opt#--list-}"

  3275.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3276.             NAME=${NAME%s}

  3277.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3278.         ;;

  3279.         --help|-h) show_help

  3280.         ;;

  3281.         --fatal-warnings) enable fatal_warnings

  3282.         ;;

  3283.         *)

  3284.             optname="${opt%%=*}"

  3285.             optname="${optname#--}"

  3286.             optname=$(echo "$optname" | sed 's/-/_/g')

  3287.             if is_in $optname $CMDLINE_SET; then

  3288.                 eval $optname='$optval'

  3289.             elif is_in $optname $CMDLINE_APPEND; then

  3290.                 append $optname "$optval"

  3291.             else

  3292.                 die_unknown $opt

  3293.             fi

  3294.         ;;

  3295.     esac

  3296. done

  3297. 

  3298. for e in $env; do

  3299.     eval "export $e"

  3300. done

  3301. 

  3302. disabled logging && logfile=/dev/null

  3303. 

  3304. # Disable all the library-specific components if the library itself

  3305. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3306. 

  3307. disable_components(){

  3308.     disabled ${1} && disable $(

  3309.         eval components="\$$(toupper ${1})_COMPONENTS"

  3310.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3311.     )

  3312. }

  3313. 

  3314. map 'disable_components $v' $LIBRARY_LIST

  3315. 

  3316. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3317. set >> $logfile

  3318. 

  3319. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3320. 

  3321. case "$toolchain" in

  3322.     *-asan)

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

  3324.         add_cflags  -fsanitize=address

  3325.         add_ldflags -fsanitize=address

  3326.     ;;

  3327.     *-tsan)

  3328.         cc_default="${toolchain%-tsan}"

  3329.         add_cflags  -fsanitize=thread -pie

  3330.         add_ldflags -fsanitize=thread -pie

  3331.         case "$toolchain" in

  3332.             gcc-tsan)

  3333.                 add_cflags  -fPIC

  3334.                 add_ldflags -fPIC

  3335.                 ;;

  3336.         esac

  3337.     ;;

  3338.     *-usan)

  3339.         cc_default="${toolchain%-usan}"

  3340.         add_cflags  -fsanitize=undefined

  3341.         add_ldflags -fsanitize=undefined

  3342.     ;;

  3343.     valgrind-*)

  3344.         target_exec_default="valgrind"

  3345.         case "$toolchain" in

  3346.             valgrind-massif)

  3347.                 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"

  3348.                 ;;

  3349.             valgrind-memcheck)

  3350.                 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"

  3351.                 ;;

  3352.         esac

  3353.     ;;

  3354.     msvc)

  3355.         # Check whether the current MSVC version needs the C99 converter.

  3356.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3357.         # support enough of C99 to build ffmpeg. Default to the new

  3358.         # behaviour if the regexp was unable to match anything, since this

  3359.         # successfully parses the version number of existing supported

  3360.         # versions that require the converter (MSVC 2010 and 2012).

  3361.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3362.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3363.             cc_default="cl"

  3364.         else

  3365.             cc_default="c99wrap cl"

  3366.         fi

  3367.         ld_default="$source_path/compat/windows/mslink"

  3368.         nm_default="dumpbin -symbols"

  3369.         ar_default="lib"

  3370.         case "$arch" in

  3371.         arm*)

  3372.             as_default="armasm"

  3373.             ;;

  3374.         esac

  3375.         target_os_default="win32"

  3376.         # Use a relative path for TMPDIR. This makes sure all the

  3377.         # ffconf temp files are written with a relative path, avoiding

  3378.         # issues with msys/win32 path conversion for MSVC parameters

  3379.         # such as -Fo<file> or -out:<file>.

  3380.         TMPDIR=.

  3381.     ;;

  3382.     icl)

  3383.         cc_default="icl"

  3384.         ld_default="xilink"

  3385.         nm_default="dumpbin -symbols"

  3386.         ar_default="xilib"

  3387.         target_os_default="win32"

  3388.         TMPDIR=.

  3389.     ;;

  3390.     gcov)

  3391.         add_cflags  -fprofile-arcs -ftest-coverage

  3392.         add_ldflags -fprofile-arcs -ftest-coverage

  3393.     ;;

  3394.     hardened)

  3395.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3396.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3397.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3398.     ;;

  3399.     ?*)

  3400.         die "Unknown toolchain $toolchain"

  3401.     ;;

  3402. esac

  3403. 

  3404. test -n "$cross_prefix" && enable cross_compile

  3405. 

  3406. if enabled cross_compile; then

  3407.     test -n "$arch" && test -n "$target_os" ||

  3408.         die "Must specify target arch and OS when cross-compiling"

  3409. fi

  3410. 

  3411. ar_default="${cross_prefix}${ar_default}"

  3412. cc_default="${cross_prefix}${cc_default}"

  3413. cxx_default="${cross_prefix}${cxx_default}"

  3414. nm_default="${cross_prefix}${nm_default}"

  3415. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3416. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3417.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3418. else

  3419.     ranlib_default="${cross_prefix}${ranlib_default}"

  3420. fi

  3421. strip_default="${cross_prefix}${strip_default}"

  3422. windres_default="${cross_prefix}${windres_default}"

  3423. 

  3424. sysinclude_default="${sysroot}/usr/include"

  3425. 

  3426. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3427.     target_exec target_os yasmexe

  3428. enabled cross_compile || host_cc_default=$cc

  3429. set_default host_cc

  3430. 

  3431. pkg_config_fail_message=""

  3432. if ! $pkg_config --version >/dev/null 2>&1; then

  3433.     warn "$pkg_config not found, library detection may fail."

  3434.     pkg_config=false

  3435. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3436.     pkg_config_fail_message="

  3437. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3438. fi

  3439. 

  3440. if test $doxygen != $doxygen_default && \

  3441.   ! $doxygen --version >/dev/null 2>&1; then

  3442.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3443. fi

  3444. 

  3445. exesuf() {

  3446.     case $1 in

  3447.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3448.     esac

  3449. }

  3450. 

  3451. EXESUF=$(exesuf $target_os)

  3452. HOSTEXESUF=$(exesuf $host_os)

  3453. 

  3454. # set temporary file name

  3455. : ${TMPDIR:=$TEMPDIR}

  3456. : ${TMPDIR:=$TMP}

  3457. : ${TMPDIR:=/tmp}

  3458. 

  3459. if [ -n "$tempprefix" ] ; then

  3460.     mktemp(){

  3461.         echo $tempprefix.${HOSTNAME}.${UID}

  3462.     }

  3463. elif ! check_cmd mktemp -u XXXXXX; then

  3464.     # simple replacement for missing mktemp

  3465.     # NOT SAFE FOR GENERAL USE

  3466.     mktemp(){

  3467.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3468.     }

  3469. fi

  3470. 

  3471. tmpfile(){

  3472.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3473.         (set -C; exec > $tmp) 2>/dev/null ||

  3474.         die "Unable to create temporary file in $TMPDIR."

  3475.     append TMPFILES $tmp

  3476.     eval $1=$tmp

  3477. }

  3478. 

  3479. trap 'rm -f -- $TMPFILES' EXIT

  3480. 

  3481. tmpfile TMPASM .asm

  3482. tmpfile TMPC   .c

  3483. tmpfile TMPCPP .cpp

  3484. tmpfile TMPE   $EXESUF

  3485. tmpfile TMPH   .h

  3486. tmpfile TMPM   .m

  3487. tmpfile TMPO   .o

  3488. tmpfile TMPS   .S

  3489. tmpfile TMPSH  .sh

  3490. tmpfile TMPV   .ver

  3491. 

  3492. unset -f mktemp

  3493. 

  3494. chmod +x $TMPE

  3495. 

  3496. # make sure we can execute files in $TMPDIR

  3497. cat > $TMPSH 2>> $logfile <<EOF

  3498. #! /bin/sh

  3499. EOF

  3500. chmod +x $TMPSH >> $logfile 2>&1

  3501. if ! $TMPSH >> $logfile 2>&1; then

  3502.     cat <<EOF

  3503. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3504. variable to another directory and make sure that it is not mounted noexec.

  3505. EOF

  3506.     die "Sanity test failed."

  3507. fi

  3508. 

  3509. armasm_flags(){

  3510.     for flag; do

  3511.         case $flag in

  3512.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3513.             # be passed to gas-preprocessor

  3514.             -M[TD]*)                                            ;;

  3515.             *)                  echo $flag                      ;;

  3516.         esac

  3517.    done

  3518. }

  3519. 

  3520. ccc_flags(){

  3521.     for flag; do

  3522.         case $flag in

  3523.             -std=c99)           echo -c99                       ;;

  3524.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3525.             -mieee)             echo -ieee                      ;;

  3526.             -O*|-fast)          echo $flag                      ;;

  3527.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3528.             -g)                 echo -g3                        ;;

  3529.             -Wall)              echo -msg_enable level2         ;;

  3530.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3531.             -Wl,*)              echo $flag                      ;;

  3532.             -f*|-W*)                                            ;;

  3533.             *)                  echo $flag                      ;;

  3534.         esac

  3535.    done

  3536. }

  3537. 

  3538. cparser_flags(){

  3539.     for flag; do

  3540.         case $flag in

  3541.             -Wno-switch)             echo -Wno-switch-enum ;;

  3542.             -Wno-format-zero-length) ;;

  3543.             -Wdisabled-optimization) ;;

  3544.             -Wno-pointer-sign)       echo -Wno-other ;;

  3545.             *)                       echo $flag ;;

  3546.         esac

  3547.     done

  3548. }

  3549. 

  3550. msvc_common_flags(){

  3551.     for flag; do

  3552.         case $flag in

  3553.             # In addition to specifying certain flags under the compiler

  3554.             # specific filters, they must be specified here as well or else the

  3555.             # generic catch all at the bottom will print the original flag.

  3556.             -Wall)                ;;

  3557.             -std=c99)             ;;

  3558.             # Common flags

  3559.             -fomit-frame-pointer) ;;

  3560.             -g)                   echo -Z7 ;;

  3561.             -fno-math-errno)      ;;

  3562.             -fno-common)          ;;

  3563.             -fno-signed-zeros)    ;;

  3564.             -fPIC)                ;;

  3565.             -mthumb)              ;;

  3566.             -march=*)             ;;

  3567.             -lz)                  echo zlib.lib ;;

  3568.             -lavifil32)           echo vfw32.lib ;;

  3569.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3570.             -lx264)               echo libx264.lib ;;

  3571.             -l*)                  echo ${flag#-l}.lib ;;

  3572.             -LARGEADDRESSAWARE)   echo $flag ;;

  3573.             -L*)                  echo -libpath:${flag#-L} ;;

  3574.             *)                    echo $flag ;;

  3575.         esac

  3576.     done

  3577. }

  3578. 

  3579. msvc_flags(){

  3580.     msvc_common_flags "$@"

  3581.     for flag; do

  3582.         case $flag in

  3583.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3584.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3585.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3586.                                        -wd4307 \

  3587.                                        -wd4273 -wd4554 -wd4701 ;;

  3588.         esac

  3589.     done

  3590. }

  3591. 

  3592. icl_flags(){

  3593.     msvc_common_flags "$@"

  3594.     for flag; do

  3595.         case $flag in

  3596.             # Despite what Intel's documentation says -Wall, which is supported

  3597.             # on Windows, does enable remarks so disable them here.

  3598.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3599.             -std=c99)             echo -Qstd=c99 ;;

  3600.             -flto)                echo -ipo ;;

  3601.         esac

  3602.     done

  3603. }

  3604. 

  3605. icc_flags(){

  3606.     for flag; do

  3607.         case $flag in

  3608.             -flto)                echo -ipo ;;

  3609.             *)                    echo $flag ;;

  3610.         esac

  3611.     done

  3612. }

  3613. 

  3614. pgi_flags(){

  3615.     for flag; do

  3616.         case $flag in

  3617.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3618.             -fomit-frame-pointer) echo -Mnoframe ;;

  3619.             -g)                   echo -gopt ;;

  3620.             *)                    echo $flag ;;

  3621.         esac

  3622.     done

  3623. }

  3624. 

  3625. suncc_flags(){

  3626.     for flag; do

  3627.         case $flag in

  3628.             -march=*|-mcpu=*)

  3629.                 case "${flag#*=}" in

  3630.                     native)                   echo -xtarget=native       ;;

  3631.                     v9|niagara)               echo -xarch=sparc          ;;

  3632.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3633.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3634.                     i586|pentium)             echo -xchip=pentium        ;;

  3635.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3636.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3637.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3638.                     pentium4*)          echo -xtarget=pentium4           ;;

  3639.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3640.                     *-sse3)             echo -xarch=sse3                 ;;

  3641.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3642.                     bonnell)                   echo -xarch=ssse3         ;;

  3643.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3644.                     westmere)                  echo -xtarget=westmere    ;;

  3645.                     silvermont)                echo -xarch=sse4_2        ;;

  3646.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3647.                     core-avx*|ivybridge|haswell|broadwell)

  3648.                                                echo -xarch=avx           ;;

  3649.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3650.                     btver1)                    echo -xarch=amdsse4a      ;;

  3651.                     btver2|bdver*)             echo -xarch=avx           ;;

  3652.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3653.                     k8|opteron|athlon64|athlon-fx)

  3654.                                                echo -xarch=sse2a         ;;

  3655.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3656.                 esac

  3657.                 ;;

  3658.             -std=c99)             echo -xc99              ;;

  3659.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3660.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3661.             -W*,*)                echo $flag              ;;

  3662.             -f*-*|-W*|-mimpure-text)                      ;;

  3663.             -shared)              echo -G                 ;;

  3664.             *)                    echo $flag              ;;

  3665.         esac

  3666.     done

  3667. }

  3668. 

  3669. tms470_flags(){

  3670.     for flag; do

  3671.         case $flag in

  3672.             -march=*|-mcpu=*)

  3673.                 case "${flag#*=}" in

  3674.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3675.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3676.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3677.                     armv6*|arm11*)          echo -mv=6   ;;

  3678.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3679.                                             echo -mv=5e  ;;

  3680.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3681.                 esac

  3682.                 ;;

  3683.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3684.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3685.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3686.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3687.             -msoft-float)   echo --float_support=vfplib       ;;

  3688.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3689.             -g)             echo -g -mn                       ;;

  3690.             -pds=*)         echo $flag                        ;;

  3691.             -D*|-I*)        echo $flag                        ;;

  3692.             --gcc|--abi=*)  echo $flag                        ;;

  3693.             -me)            echo $flag                        ;;

  3694.         esac

  3695.     done

  3696. }

  3697. 

  3698. probe_cc(){

  3699.     pfx=$1

  3700.     _cc=$2

  3701.     first=$3

  3702. 

  3703.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3704.     unset _ld_o _ldflags _ld_lib _ld_path

  3705.     unset _depflags _DEPCMD _DEPFLAGS

  3706.     _flags_filter=echo

  3707. 

  3708.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3709.         true # no-op to avoid reading stdin in following checks

  3710.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3711.         _type=llvm_gcc

  3712.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3713.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3714.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3715.         _cflags_speed='-O3'

  3716.         _cflags_size='-Os'

  3717.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3718.         _type=gcc

  3719.         gcc_version=$($_cc --version | head -n1)

  3720.         gcc_basever=$($_cc -dumpversion)

  3721.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3722.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3723.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3724.         case $gcc_basever in

  3725.             2) ;;

  3726.             2.*) ;;

  3727.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3728.         esac

  3729.         if [ "$first" = true ]; then

  3730.             case $gcc_basever in

  3731.                 4.2*)

  3732.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3733.             esac

  3734.         fi

  3735.         _cflags_speed='-O3'

  3736.         _cflags_size='-Os'

  3737.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3738.         _type=icc

  3739.         _ident=$($_cc --version | head -n1)

  3740.         _depflags='-MMD'

  3741.         _cflags_speed='-O3'

  3742.         _cflags_size='-Os'

  3743.         _cflags_noopt='-O1'

  3744.         _flags_filter=icc_flags

  3745.     elif $_cc -v 2>&1 | grep -q xlc; then

  3746.         _type=xlc

  3747.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3748.         _cflags_speed='-O5'

  3749.         _cflags_size='-O5 -qcompact'

  3750.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3751.         _type=ccc

  3752.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3753.         _DEPFLAGS='-M'

  3754.         _cflags_speed='-fast'

  3755.         _cflags_size='-O1'

  3756.         _flags_filter=ccc_flags

  3757.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3758.         test -d "$sysroot" || die "No valid sysroot specified."

  3759.         _type=armcc

  3760.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3761.         armcc_conf="$PWD/armcc.conf"

  3762.         $_cc --arm_linux_configure                 \

  3763.              --arm_linux_config_file="$armcc_conf" \

  3764.              --configure_sysroot="$sysroot"        \

  3765.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3766.              die "Error creating armcc configuration file."

  3767.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3768.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3769.         as_default="${cross_prefix}gcc"

  3770.         _depflags='-MMD'

  3771.         _cflags_speed='-O3'

  3772.         _cflags_size='-Os'

  3773.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3774.         _type=tms470

  3775.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3776.         _flags='--gcc --abi=eabi -me'

  3777.         _cc_e='-ppl -fe=$@'

  3778.         _cc_o='-fe=$@'

  3779.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3780.         _cflags_speed='-O3 -mf=5'

  3781.         _cflags_size='-O3 -mf=2'

  3782.         _flags_filter=tms470_flags

  3783.     elif $_cc -v 2>&1 | grep -q clang; then

  3784.         _type=clang

  3785.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3786.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3787.         _cflags_speed='-O3'

  3788.         _cflags_size='-Os'

  3789.     elif $_cc -V 2>&1 | grep -q Sun; then

  3790.         _type=suncc

  3791.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3792.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3793.         _DEPFLAGS='-xM1 -xc99'

  3794.         _ldflags='-std=c99'

  3795.         _cflags_speed='-O5'

  3796.         _cflags_size='-O5 -xspace'

  3797.         _flags_filter=suncc_flags

  3798.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3799.         _type=pathscale

  3800.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3801.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3802.         _cflags_speed='-O2'

  3803.         _cflags_size='-Os'

  3804.         _flags_filter='filter_out -Wdisabled-optimization'

  3805.     elif $_cc -v 2>&1 | grep -q Open64; then

  3806.         _type=open64

  3807.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3808.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3809.         _cflags_speed='-O2'

  3810.         _cflags_size='-Os'

  3811.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

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

  3813.         _type=pgi

  3814.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3815.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3816.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3817.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3818.         _cflags_noopt="-O"

  3819.         _flags_filter=pgi_flags

  3820.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3821.         _type=armasm

  3822.         _ident=$($_cc | head -n1)

  3823.         # 4509: "This form of conditional instruction is deprecated"

  3824.         _flags="-nologo -ignore 4509"

  3825.         _flags_filter=armasm_flags

  3826.     elif $_cc 2>&1 | grep -q Intel; then

  3827.         _type=icl

  3828.         _ident=$($_cc 2>&1 | head -n1)

  3829.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3830.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3831.         # versions (tested) as well.

  3832.         _cflags_speed="-O2"

  3833.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3834.         if $_cc 2>&1 | grep -q Linker; then

  3835.             _ld_o='-out:$@'

  3836.         else

  3837.             _ld_o='-Fe$@'

  3838.         fi

  3839.         _cc_o='-Fo$@'

  3840.         _cc_e='-P'

  3841.         _flags_filter=icl_flags

  3842.         _ld_lib='lib%.a'

  3843.         _ld_path='-libpath:'

  3844.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3845.         _flags='-nologo -Qdiag-error:4044,10157'

  3846.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3847.         # with MSVC which enables it by default.

  3848.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3849.         disable stripping

  3850.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3851.         _type=msvc

  3852.         _ident=$($_cc 2>&1 | head -n1)

  3853.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3854.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3855.         _cflags_speed="-O2"

  3856.         _cflags_size="-O1"

  3857.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3858.             _ld_o='-out:$@'

  3859.         else

  3860.             _ld_o='-Fe$@'

  3861.         fi

  3862.         _cc_o='-Fo$@'

  3863.         _cc_e='-P -Fi$@'

  3864.         _flags_filter=msvc_flags

  3865.         _ld_lib='lib%.a'

  3866.         _ld_path='-libpath:'

  3867.         _flags='-nologo'

  3868.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3869.         disable stripping

  3870.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3871.         _type=cparser

  3872.         _ident=$($_cc --version | head -n1)

  3873.         _depflags='-MMD'

  3874.         _cflags_speed='-O4'

  3875.         _cflags_size='-O2'

  3876.         _flags_filter=cparser_flags

  3877.     fi

  3878. 

  3879.     eval ${pfx}_type=\$_type

  3880.     eval ${pfx}_ident=\$_ident

  3881. }

  3882. 

  3883. set_ccvars(){

  3884.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3885.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3886.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3887. 

  3888.     if [ -n "$_depflags" ]; then

  3889.         eval ${1}_DEPFLAGS=\$_depflags

  3890.     else

  3891.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3892.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3893.         eval DEP${1}FLAGS=\$_flags

  3894.     fi

  3895. }

  3896. 

  3897. probe_cc cc "$cc" "true"

  3898. cflags_filter=$_flags_filter

  3899. cflags_speed=$_cflags_speed

  3900. cflags_size=$_cflags_size

  3901. cflags_noopt=$_cflags_noopt

  3902. add_cflags $_flags $_cflags

  3903. cc_ldflags=$_ldflags

  3904. set_ccvars CC

  3905. 

  3906. probe_cc hostcc "$host_cc"

  3907. host_cflags_filter=$_flags_filter

  3908. add_host_cflags  $_flags $_cflags

  3909. set_ccvars HOSTCC

  3910. 

  3911. test -n "$cc_type" && enable $cc_type ||

  3912.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3913. 

  3914. : ${as_default:=$cc}

  3915. : ${objcc_default:=$cc}

  3916. : ${dep_cc_default:=$cc}

  3917. : ${ld_default:=$cc}

  3918. : ${host_ld_default:=$host_cc}

  3919. set_default ar as objcc dep_cc ld host_ld windres

  3920. 

  3921. probe_cc as "$as"

  3922. asflags_filter=$_flags_filter

  3923. add_asflags $_flags $_cflags

  3924. set_ccvars AS

  3925. 

  3926. probe_cc objcc "$objcc"

  3927. objcflags_filter=$_flags_filter

  3928. add_objcflags $_flags $_cflags

  3929. set_ccvars OBJC

  3930. 

  3931. probe_cc ld "$ld"

  3932. ldflags_filter=$_flags_filter

  3933. add_ldflags $_flags $_ldflags

  3934. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3935. LD_O=${_ld_o-$LD_O}

  3936. LD_LIB=${_ld_lib-$LD_LIB}

  3937. LD_PATH=${_ld_path-$LD_PATH}

  3938. 

  3939. probe_cc hostld "$host_ld"

  3940. host_ldflags_filter=$_flags_filter

  3941. add_host_ldflags $_flags $_ldflags

  3942. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3943. 

  3944. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3945.     probe_cc depcc "$dep_cc"

  3946.     CCDEP=${_DEPCMD:-$DEPCMD}

  3947.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3948.     DEPCCFLAGS=$_flags

  3949. fi

  3950. 

  3951. if $ar 2>&1 | grep -q Microsoft; then

  3952.     arflags="-nologo"

  3953.     ar_o='-out:$@'

  3954. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3955.     arflags="rq"

  3956.     ar_o='$@'

  3957. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3958.     arflags='-Xany -r -c'

  3959.     ar_o='$@'

  3960. elif $ar 2>&1 | grep -q "\[D\] "; then

  3961.     arflags="rcD"

  3962.     ar_o='$@'

  3963. else

  3964.     arflags="rc"

  3965.     ar_o='$@'

  3966. fi

  3967. 

  3968. add_cflags $extra_cflags

  3969. add_cxxflags $extra_cxxflags

  3970. add_objcflags $extra_objcflags

  3971. add_asflags $extra_cflags

  3972. 

  3973. if test -n "$sysroot"; then

  3974.     case "$cc_type" in

  3975.         gcc|llvm_gcc|clang)

  3976.             add_cppflags --sysroot="$sysroot"

  3977.             add_ldflags --sysroot="$sysroot"

  3978. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3979.             add_cppflags -isysroot "$sysroot"

  3980.             add_ldflags -isysroot "$sysroot"

  3981.         ;;

  3982.         tms470)

  3983.             add_cppflags -I"$sysinclude"

  3984.             add_ldflags  --sysroot="$sysroot"

  3985.         ;;

  3986.     esac

  3987. fi

  3988. 

  3989. if test "$cpu" = host; then

  3990.     enabled cross_compile &&

  3991.         die "--cpu=host makes no sense when cross-compiling."

  3992. 

  3993.     case "$cc_type" in

  3994.         gcc|llvm_gcc)

  3995.             check_native(){

  3996.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3997.                 sed -n "/cc1.*$1=/{

  3998.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3999.                             p

  4000.                             q

  4001.                         }" $TMPE

  4002.             }

  4003.             cpu=$(check_native -march || check_native -mcpu)

  4004.         ;;

  4005.         clang)

  4006.             check_native(){

  4007.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4008.                 sed -n "/cc1.*-target-cpu /{

  4009.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4010.                             p

  4011.                             q

  4012.                         }" $TMPE

  4013.             }

  4014.             cpu=$(check_native -march)

  4015.         ;;

  4016.     esac

  4017. 

  4018.     test "${cpu:-host}" = host &&

  4019.         die "--cpu=host not supported with compiler $cc"

  4020. fi

  4021. 

  4022. # Deal with common $arch aliases

  4023. case "$arch" in

  4024.     aarch64|arm64)

  4025.         arch="aarch64"

  4026.     ;;

  4027.     arm*|iPad*|iPhone*)

  4028.         arch="arm"

  4029.     ;;

  4030.     mips*|IP*)

  4031.         case "$arch" in

  4032.         *el)

  4033.             add_cppflags -EL

  4034.             add_ldflags -EL

  4035.         ;;

  4036.         *eb)

  4037.             add_cppflags -EB

  4038.             add_ldflags -EB

  4039.         ;;

  4040.         esac

  4041.         arch="mips"

  4042.     ;;

  4043.     parisc*|hppa*)

  4044.         arch="parisc"

  4045.     ;;

  4046.     "Power Macintosh"|ppc*|powerpc*)

  4047.         arch="ppc"

  4048.     ;;

  4049.     s390|s390x)

  4050.         arch="s390"

  4051.     ;;

  4052.     sh4|sh)

  4053.         arch="sh4"

  4054.     ;;

  4055.     sun4u|sparc*)

  4056.         arch="sparc"

  4057.     ;;

  4058.     tilegx|tile-gx)

  4059.         arch="tilegx"

  4060.     ;;

  4061.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4062.         arch="x86"

  4063.     ;;

  4064. esac

  4065. 

  4066. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4067. enable $arch

  4068. 

  4069. # Add processor-specific flags

  4070. if enabled aarch64; then

  4071. 

  4072.     case $cpu in

  4073.         armv*)

  4074.             cpuflags="-march=$cpu"

  4075.         ;;

  4076.         *)

  4077.             cpuflags="-mcpu=$cpu"

  4078.         ;;

  4079.     esac

  4080. 

  4081. elif enabled alpha; then

  4082. 

  4083.     cpuflags="-mcpu=$cpu"

  4084. 

  4085. elif enabled arm; then

  4086. 

  4087.     check_arm_arch() {

  4088.         check_cpp_condition stddef.h \

  4089.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4090.             $cpuflags

  4091.     }

  4092. 

  4093.     probe_arm_arch() {

  4094.         if   check_arm_arch 4;        then echo armv4;

  4095.         elif check_arm_arch 4T;       then echo armv4t;

  4096.         elif check_arm_arch 5;        then echo armv5;

  4097.         elif check_arm_arch 5E;       then echo armv5e;

  4098.         elif check_arm_arch 5T;       then echo armv5t;

  4099.         elif check_arm_arch 5TE;      then echo armv5te;

  4100.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4101.         elif check_arm_arch 6;        then echo armv6;

  4102.         elif check_arm_arch 6J;       then echo armv6j;

  4103.         elif check_arm_arch 6K;       then echo armv6k;

  4104.         elif check_arm_arch 6Z;       then echo armv6z;

  4105.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4106.         elif check_arm_arch 6T2;      then echo armv6t2;

  4107.         elif check_arm_arch 7;        then echo armv7;

  4108.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4109.         elif check_arm_arch 7S;       then echo armv7-a;

  4110.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4111.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4112.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4113.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4114.         fi

  4115.     }

  4116. 

  4117.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4118. 

  4119.     case $cpu in

  4120.         armv*)

  4121.             cpuflags="-march=$cpu"

  4122.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4123.         ;;

  4124.         *)

  4125.             cpuflags="-mcpu=$cpu"

  4126.             case $cpu in

  4127.                 cortex-a*)                               subarch=armv7a  ;;

  4128.                 cortex-r*)                               subarch=armv7r  ;;

  4129.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4130.                 arm11*)                                  subarch=armv6   ;;

  4131.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4132.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4133.                 *)                             subarch=$(probe_arm_arch) ;;

  4134.             esac

  4135.         ;;

  4136.     esac

  4137. 

  4138.     case "$subarch" in

  4139.         armv5t*)    enable fast_clz                ;;

  4140.         armv[6-8]*)

  4141.             enable fast_clz

  4142.             disabled fast_unaligned || enable fast_unaligned

  4143.             ;;

  4144.     esac

  4145. 

  4146. elif enabled avr32; then

  4147. 

  4148.     case $cpu in

  4149.         ap7[02]0[0-2])

  4150.             subarch="avr32_ap"

  4151.             cpuflags="-mpart=$cpu"

  4152.         ;;

  4153.         ap)

  4154.             subarch="avr32_ap"

  4155.             cpuflags="-march=$cpu"

  4156.         ;;

  4157.         uc3[ab]*)

  4158.             subarch="avr32_uc"

  4159.             cpuflags="-mcpu=$cpu"

  4160.         ;;

  4161.         uc)

  4162.             subarch="avr32_uc"

  4163.             cpuflags="-march=$cpu"

  4164.         ;;

  4165.     esac

  4166. 

  4167. elif enabled bfin; then

  4168. 

  4169.     cpuflags="-mcpu=$cpu"

  4170. 

  4171. elif enabled mips; then

  4172. 

  4173.     cpuflags="-march=$cpu"

  4174. 

  4175.     case $cpu in

  4176.         24kc)

  4177.             disable mips32r6

  4178.             disable mips64r2

  4179.             disable mips64r6

  4180.             disable mipsfpu

  4181.             disable mipsdsp

  4182.             disable mipsdspr2

  4183.             disable msa

  4184.         ;;

  4185.         24kf*)

  4186.             disable mips32r6

  4187.             disable mips64r2

  4188.             disable mips64r6

  4189.             disable mipsdsp

  4190.             disable mipsdspr2

  4191.             disable msa

  4192.         ;;

  4193.         24kec|34kc|1004kc)

  4194.             disable mips32r6

  4195.             disable mips64r2

  4196.             disable mips64r6

  4197.             disable mipsfpu

  4198.             disable mipsdspr2

  4199.             disable msa

  4200.         ;;

  4201.         24kef*|34kf*|1004kf*)

  4202.             disable mips32r6

  4203.             disable mips64r2

  4204.             disable mips64r6

  4205.             disable mipsdspr2

  4206.             disable msa

  4207.         ;;

  4208.         74kc)

  4209.             disable mips32r6

  4210.             disable mips64r2

  4211.             disable mips64r6

  4212.             disable mipsfpu

  4213.             disable msa

  4214.         ;;

  4215.         74kf)

  4216.             disable mips32r6

  4217.             disable mips64r2

  4218.             disable mips64r6

  4219.             disable msa

  4220.         ;;

  4221.         p5600)

  4222.             disable mips32r6

  4223.             disable mips64r2

  4224.             disable mips64r6

  4225.             disable mipsdsp

  4226.             disable mipsdspr2

  4227.             check_cflags "-mtune=p5600" &&

  4228.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4229.             add_asflags "-mfp64"

  4230.         ;;

  4231.         i6400)

  4232.             disable mips32r2

  4233.             disable mips32r6

  4234.             disable mips64r2

  4235.             disable mipsdsp

  4236.             disable mipsdspr2

  4237.             check_cflags "-mtune=i6400 -mabi=64" &&

  4238.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4239.             check_ldflags "-mabi=64" &&

  4240.             add_asflags "-mfp64"

  4241.         ;;

  4242.         loongson*)

  4243.             disable mips32r2

  4244.             disable mips32r6

  4245.             disable mips64r2

  4246.             disable mips64r6

  4247.             disable mipsfpu

  4248.             disable mipsdsp

  4249.             disable mipsdspr2

  4250.             disable msa

  4251.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4252.             enable simd_align_16

  4253.             enable fast_64bit

  4254.             enable fast_clz

  4255.             enable fast_cmov

  4256.             enable fast_unaligned

  4257.             disable aligned_stack

  4258.             case $cpu in

  4259.                 loongson3*)

  4260.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4261.                 ;;

  4262.                 loongson2e)

  4263.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4264.                 ;;

  4265.                 loongson2f)

  4266.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4267.                 ;;

  4268.             esac

  4269.         ;;

  4270.         generic)

  4271.             # We do not disable anything. Is up to the user to disable

  4272.             # the unwanted features.

  4273.         ;;

  4274.         *)

  4275.             # Unknown CPU. Disable everything.

  4276.             warn "unknown CPU. Disabling all MIPS optimizations."

  4277.             disable mipsfpu

  4278.             disable mips32r2

  4279.             disable mips32r6

  4280.             disable mips64r2

  4281.             disable mips64r6

  4282.             disable mipsdsp

  4283.             disable mipsdspr2

  4284.             disable msa

  4285.         ;;

  4286.     esac

  4287. 

  4288. elif enabled ppc; then

  4289. 

  4290.     disable ldbrx

  4291. 

  4292.     case $(tolower $cpu) in

  4293.         601|ppc601|powerpc601)

  4294.             cpuflags="-mcpu=601"

  4295.             disable altivec

  4296.         ;;

  4297.         603*|ppc603*|powerpc603*)

  4298.             cpuflags="-mcpu=603"

  4299.             disable altivec

  4300.         ;;

  4301.         604*|ppc604*|powerpc604*)

  4302.             cpuflags="-mcpu=604"

  4303.             disable altivec

  4304.         ;;

  4305.         g3|75*|ppc75*|powerpc75*)

  4306.             cpuflags="-mcpu=750"

  4307.             disable altivec

  4308.         ;;

  4309.         g4|745*|ppc745*|powerpc745*)

  4310.             cpuflags="-mcpu=7450"

  4311.             disable vsx

  4312.         ;;

  4313.         74*|ppc74*|powerpc74*)

  4314.             cpuflags="-mcpu=7400"

  4315.             disable vsx

  4316.         ;;

  4317.         g5|970|ppc970|powerpc970)

  4318.             cpuflags="-mcpu=970"

  4319.             disable vsx

  4320.         ;;

  4321.         power[3-6]*)

  4322.             cpuflags="-mcpu=$cpu"

  4323.             disable vsx

  4324.         ;;

  4325.         power[7-8]*)

  4326.             cpuflags="-mcpu=$cpu"

  4327.         ;;

  4328.         cell)

  4329.             cpuflags="-mcpu=cell"

  4330.             enable ldbrx

  4331.             disable vsx

  4332.         ;;

  4333.         e500mc)

  4334.             cpuflags="-mcpu=e500mc"

  4335.             disable altivec

  4336.         ;;

  4337.         e500v2)

  4338.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4339.             disable altivec

  4340.             disable dcbzl

  4341.         ;;

  4342.         e500)

  4343.             cpuflags="-mcpu=8540 -mhard-float"

  4344.             disable altivec

  4345.             disable dcbzl

  4346.         ;;

  4347.     esac

  4348. 

  4349. elif enabled sparc; then

  4350. 

  4351.     case $cpu in

  4352.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4353.             cpuflags="-mcpu=$cpu"

  4354.         ;;

  4355.         ultrasparc*|niagara[234])

  4356.             cpuflags="-mcpu=$cpu"

  4357.         ;;

  4358.     esac

  4359. 

  4360. elif enabled x86; then

  4361. 

  4362.     case $cpu in

  4363.         i[345]86|pentium)

  4364.             cpuflags="-march=$cpu"

  4365.             disable i686

  4366.             disable mmx

  4367.         ;;

  4368.         # targets that do NOT support nopl and conditional mov (cmov)

  4369.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4370.             cpuflags="-march=$cpu"

  4371.             disable i686

  4372.         ;;

  4373.         # targets that do support nopl and conditional mov (cmov)

  4374.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4375.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4376.             cpuflags="-march=$cpu"

  4377.             enable i686

  4378.             enable fast_cmov

  4379.         ;;

  4380.         # targets that do support conditional mov but on which it's slow

  4381.         pentium4|pentium4m|prescott|nocona)

  4382.             cpuflags="-march=$cpu"

  4383.             enable i686

  4384.             disable fast_cmov

  4385.         ;;

  4386.     esac

  4387. 

  4388. fi

  4389. 

  4390. if [ "$cpu" != generic ]; then

  4391.     add_cflags  $cpuflags

  4392.     add_asflags $cpuflags

  4393.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4394. fi

  4395. 

  4396. # compiler sanity check

  4397. check_exec <<EOF

  4398. int main(void){ return 0; }

  4399. EOF

  4400. if test "$?" != 0; then

  4401.     echo "$cc is unable to create an executable file."

  4402.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4403.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4404.         echo "Only do this if you know what cross compiling means."

  4405.     fi

  4406.     die "C compiler test failed."

  4407. fi

  4408. 

  4409. add_cppflags -D_ISOC99_SOURCE

  4410. add_cxxflags -D__STDC_CONSTANT_MACROS

  4411. check_cflags -std=c99

  4412. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4413. #include <stdlib.h>

  4414. EOF

  4415. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4416. #include <stdlib.h>

  4417. EOF

  4418. 

  4419. add_host_cppflags -D_ISOC99_SOURCE

  4420. check_host_cflags -std=c99

  4421. check_host_cflags -Wall

  4422. check_host_cflags -O3

  4423. 

  4424. check_64bit(){

  4425.     arch32=$1

  4426.     arch64=$2

  4427.     expr=$3

  4428.     check_code cc "" "int test[2*($expr) - 1]" &&

  4429.         subarch=$arch64 || subarch=$arch32

  4430. }

  4431. 

  4432. case "$arch" in

  4433.     aarch64|alpha|ia64)

  4434.         spic=$shared

  4435.     ;;

  4436.     mips)

  4437.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4438.         spic=$shared

  4439.     ;;

  4440.     parisc)

  4441.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4442.         spic=$shared

  4443.     ;;

  4444.     ppc)

  4445.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4446.         spic=$shared

  4447.     ;;

  4448.     s390)

  4449.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4450.         spic=$shared

  4451.     ;;

  4452.     sparc)

  4453.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4454.         spic=$shared

  4455.     ;;

  4456.     x86)

  4457.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4458.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4459.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4460.             subarch=x86_64

  4461.         if test "$subarch" = "x86_64"; then

  4462.             spic=$shared

  4463.         fi

  4464.     ;;

  4465.     ppc)

  4466.         check_cc <<EOF && subarch="ppc64"

  4467.         int test[(int)sizeof(char*) - 7];

  4468. EOF

  4469.     ;;

  4470. esac

  4471. 

  4472. enable $subarch

  4473. enabled spic && enable_weak pic

  4474. 

  4475. # OS specific

  4476. case $target_os in

  4477.     aix)

  4478.         SHFLAGS=-shared

  4479.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4480.         enabled shared && add_ldflags -Wl,-brtl

  4481.         ;;

  4482.     android)

  4483.         disable symver

  4484.         enable section_data_rel_ro

  4485.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4486.         SLIB_INSTALL_LINKS=

  4487.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4488.         ;;

  4489.     haiku)

  4490.         prefix_default="/boot/common"

  4491.         network_extralibs="-lnetwork"

  4492.         host_libs=

  4493.         ;;

  4494.     sunos)

  4495.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4496.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4497.         network_extralibs="-lsocket -lnsl"

  4498.         add_cppflags -D__EXTENSIONS__

  4499.         # When using suncc to build, the Solaris linker will mark

  4500.         # an executable with each instruction set encountered by

  4501.         # the Solaris assembler.  As our libraries contain their own

  4502.         # guards for processor-specific code, instead suppress

  4503.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4504.         enabled_all suncc x86 &&

  4505.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4506.             add_ldflags -Wl,-M,mapfile

  4507.         nm_default='nm -P -g'

  4508.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4509.         ;;

  4510.     netbsd)

  4511.         disable symver

  4512.         oss_indev_extralibs="-lossaudio"

  4513.         oss_outdev_extralibs="-lossaudio"

  4514.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4515.         ;;

  4516.     openbsd|bitrig)

  4517.         disable symver

  4518.         SHFLAGS='-shared'

  4519.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4520.         SLIB_INSTALL_LINKS=

  4521.         oss_indev_extralibs="-lossaudio"

  4522.         oss_outdev_extralibs="-lossaudio"

  4523.         ;;

  4524.     dragonfly)

  4525.         disable symver

  4526.         ;;

  4527.     freebsd)

  4528.         ;;

  4529.     bsd/os)

  4530.         add_extralibs -lpoll -lgnugetopt

  4531.         strip="strip -d"

  4532.         ;;

  4533.     darwin)

  4534.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4535.         install_name_dir_default='$(SHLIBDIR)'

  4536.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4537.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4538.         strip="${strip} -x"

  4539.         add_ldflags -Wl,-dynamic,-search_paths_first

  4540.         SLIBSUF=".dylib"

  4541.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4542.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4543.         objformat="macho"

  4544.         enabled x86_64 && objformat="macho64"

  4545.         enabled_any pic shared x86_64 ||

  4546.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4547.         check_header dispatch/dispatch.h

  4548.         ;;

  4549.     msys*)

  4550.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4551.         ;;

  4552.     mingw32*|mingw64*)

  4553.         if test $target_os = "mingw32ce"; then

  4554.             disable network

  4555.         else

  4556.             target_os=mingw32

  4557.         fi

  4558.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4559.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4560.         LIBTARGET=i386

  4561.         if enabled x86_64; then

  4562.             LIBTARGET="i386:x86-64"

  4563.         elif enabled arm; then

  4564.             LIBTARGET=arm-wince

  4565.         fi

  4566.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4567.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4568.         shlibdir_default="$bindir_default"

  4569.         SLIBPREF=""

  4570.         SLIBSUF=".dll"

  4571.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4572.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4573.         dlltool="${cross_prefix}dlltool"

  4574.         if check_cmd lib.exe -list; then

  4575.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4576.             if enabled x86_64; then

  4577.                 LIBTARGET=x64

  4578.             fi

  4579.         elif check_cmd $dlltool --version; then

  4580.             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)'

  4581.         fi

  4582.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4583.         SLIB_INSTALL_LINKS=

  4584.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4585.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4586.         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'

  4587.         objformat="win32"

  4588.         ranlib=:

  4589.         enable dos_paths

  4590.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4591.         # Lets work around some stupidity in binutils.

  4592.         # ld will strip relocations from executables even though we need them

  4593.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4594.         # however ld then forgets what the entry point should be (oops) so we

  4595.         # have to manually (re)set it.

  4596.         if enabled x86_32; then

  4597.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4598.         elif enabled x86_64; then

  4599.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4600.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4601.             # Set image base >4GB for extra entropy with HEASLR

  4602.             add_ldexeflags -Wl,--image-base,0x140000000

  4603.             append SHFLAGS -Wl,--image-base,0x180000000

  4604.         fi

  4605.         ;;

  4606.     win32|win64)

  4607.         disable symver

  4608.         if enabled shared; then

  4609.             # Link to the import library instead of the normal static library

  4610.             # for shared libs.

  4611.             LD_LIB='%.lib'

  4612.             # Cannot build both shared and static libs with MSVC or icl.

  4613.             disable static

  4614.         fi

  4615.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4616.         shlibdir_default="$bindir_default"

  4617.         SLIBPREF=""

  4618.         SLIBSUF=".dll"

  4619.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4620.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4621.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4622.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4623.         SLIB_INSTALL_LINKS=

  4624.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4625.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4626.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4627.         objformat="win32"

  4628.         ranlib=:

  4629.         enable dos_paths

  4630.         ;;

  4631.     cygwin*)

  4632.         target_os=cygwin

  4633.         shlibdir_default="$bindir_default"

  4634.         SLIBPREF="cyg"

  4635.         SLIBSUF=".dll"

  4636.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4637.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4638.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4639.         SLIB_INSTALL_LINKS=

  4640.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4641.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4642.         objformat="win32"

  4643.         enable dos_paths

  4644.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4645.         ;;

  4646.     *-dos|freedos|opendos)

  4647.         network_extralibs="-lsocket"

  4648.         objformat="coff"

  4649.         enable dos_paths

  4650.         add_cppflags -U__STRICT_ANSI__

  4651.         ;;

  4652.     linux)

  4653.         enable dv1394

  4654.         enable section_data_rel_ro

  4655.         ;;

  4656.     irix*)

  4657.         target_os=irix

  4658.         ranlib="echo ignoring ranlib"

  4659.         ;;

  4660.     os/2*)

  4661.         strip="lxlite -CS"

  4662.         ln_s="cp -f"

  4663.         objformat="aout"

  4664.         add_cppflags -D_GNU_SOURCE

  4665.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4666.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4667.         LIBSUF="_s.a"

  4668.         SLIBPREF=""

  4669.         SLIBSUF=".dll"

  4670.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4671.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4672.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4673.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4674.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4675.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4676.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4677.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4678.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4679.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4680.         enable dos_paths

  4681.         enable_weak os2threads

  4682.         ;;

  4683.     gnu/kfreebsd)

  4684.         add_cppflags -D_BSD_SOURCE

  4685.         ;;

  4686.     gnu)

  4687.         ;;

  4688.     qnx)

  4689.         add_cppflags -D_QNX_SOURCE

  4690.         network_extralibs="-lsocket"

  4691.         ;;

  4692.     symbian)

  4693.         SLIBSUF=".dll"

  4694.         enable dos_paths

  4695.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4696.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4697.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4698.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4699.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4700.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4701.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4702.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4703.         ;;

  4704.     osf1)

  4705.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4706.         ;;

  4707.     minix)

  4708.         ;;

  4709.     plan9)

  4710.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4711.                      -D_REENTRANT_SOURCE        \

  4712.                      -D_RESEARCH_SOURCE         \

  4713.                      -DFD_SETSIZE=96            \

  4714.                      -DHAVE_SOCK_OPTS

  4715.         add_compat strtod.o strtod=avpriv_strtod

  4716.         network_extralibs='-lbsd'

  4717.         exeobjs=compat/plan9/main.o

  4718.         disable ffserver

  4719.         cp_f='cp'

  4720.         ;;

  4721.     none)

  4722.         ;;

  4723.     *)

  4724.         die "Unknown OS '$target_os'."

  4725.         ;;

  4726. esac

  4727. 

  4728. # test if creating links works

  4729. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4730. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4731. mkdir "$link_dest"

  4732. $ln_s "$link_dest" "$link_name"

  4733. touch "$link_dest/test_file"

  4734. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4735.     # create link to source path

  4736.     [ -e src ] && rm src

  4737.     $ln_s "$source_path" src

  4738.     source_link=src

  4739. else

  4740.     # creating directory links doesn't work

  4741.     # fall back to using the full source path

  4742.     source_link="$source_path"

  4743. fi

  4744. # cleanup

  4745. rm -r "$link_dest"

  4746. rm -r "$link_name"

  4747. 

  4748. # determine libc flavour

  4749. 

  4750. probe_libc(){

  4751.     pfx=$1

  4752.     pfx_no_=${pfx%_}

  4753.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4754.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4755.         eval ${pfx}libc_type=uclibc

  4756.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4757.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4758.         eval ${pfx}libc_type=glibc

  4759.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4760.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4761.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4762.         eval ${pfx}libc_type=newlib

  4763.         add_${pfx}cppflags -U__STRICT_ANSI__

  4764.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4765.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4766.         eval ${pfx}libc_type=mingw64

  4767.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4768.             add_compat msvcrt/snprintf.o

  4769.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4770.         fi

  4771.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4772.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4773.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4774.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4775.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4776.         eval ${pfx}libc_type=mingw32

  4777.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4778.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4779.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4780.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4781.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4782.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4783.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4784.         eval ${pfx}libc_type=msvcrt

  4785.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4786.             if [ "$pfx" = host_ ]; then

  4787.                 add_host_cppflags -Dsnprintf=_snprintf

  4788.             else

  4789.                 add_compat strtod.o strtod=avpriv_strtod

  4790.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4791.                                              _snprintf=avpriv_snprintf  \

  4792.                                              vsnprintf=avpriv_vsnprintf

  4793.             fi

  4794.         fi

  4795.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4796.         # 0x601 by default unless something else is set by the user.

  4797.         # This can easily lead to us detecting functions only present

  4798.         # in such new versions and producing binaries requiring windows 7.0.

  4799.         # Therefore explicitly set the default to XP unless the user has

  4800.         # set something else on the command line.

  4801.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4802.         # family. For these cases, configure is free to use any functions

  4803.         # found in the SDK headers by default. (Alternatively, we could force

  4804.         # _WIN32_WINNT to 0x0602 in that case.)

  4805.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4806.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4807. #ifdef WINAPI_FAMILY

  4808. #include <winapifamily.h>

  4809. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4810. #error not desktop

  4811. #endif

  4812. #endif

  4813. EOF

  4814.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4815.         eval ${pfx}libc_type=klibc

  4816.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4817.         eval ${pfx}libc_type=bionic

  4818.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4819.         eval ${pfx}libc_type=solaris

  4820.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4821.     fi

  4822.     check_${pfx}cc <<EOF

  4823. #include <time.h>

  4824. void *v = localtime_r;

  4825. EOF

  4826. 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

  4827. #include <time.h>

  4828. void *v = localtime_r;

  4829. EOF

  4830. 

  4831. }

  4832. 

  4833. probe_libc

  4834. test -n "$libc_type" && enable libc_$libc_type

  4835. probe_libc host_

  4836. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4837. 

  4838. case $libc_type in

  4839.     bionic)

  4840.         add_compat strtod.o strtod=avpriv_strtod

  4841.         ;;

  4842. esac

  4843. 

  4844. # hacks for compiler/libc/os combinations

  4845. 

  4846. if enabled_all tms470 libc_glibc; then

  4847.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4848.     add_cppflags -D__USER_LABEL_PREFIX__=

  4849.     add_cppflags -D__builtin_memset=memset

  4850.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4851.     add_cflags   -pds=48    # incompatible redefinition of macro

  4852. fi

  4853. 

  4854. if enabled_all ccc libc_glibc; then

  4855.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4856. fi

  4857. 

  4858. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4859.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4860. 

  4861. esc(){

  4862.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4863. }

  4864. 

  4865. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4866. 

  4867. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4868. 

  4869. set_default libdir

  4870. : ${shlibdir_default:="$libdir"}

  4871. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4872. 

  4873. set_default $PATHS_LIST

  4874. set_default nm

  4875. 

  4876. # we need to build at least one lib type

  4877. if ! enabled_any static shared; then

  4878.     cat <<EOF

  4879. At least one library type must be built.

  4880. Specify --enable-static to build the static libraries or --enable-shared to

  4881. build the shared libraries as well. To only build the shared libraries specify

  4882. --disable-static in addition to --enable-shared.

  4883. EOF

  4884.     exit 1;

  4885. fi

  4886. 

  4887. die_license_disabled() {

  4888.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4889. }

  4890. 

  4891. die_license_disabled_gpl() {

  4892.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4893. }

  4894. 

  4895. die_license_disabled gpl frei0r

  4896. die_license_disabled gpl libcdio

  4897. die_license_disabled gpl librubberband

  4898. die_license_disabled gpl libsmbclient

  4899. die_license_disabled gpl libutvideo

  4900. die_license_disabled gpl libvidstab

  4901. die_license_disabled gpl libx264

  4902. die_license_disabled gpl libx265

  4903. die_license_disabled gpl libxavs

  4904. die_license_disabled gpl libxvid

  4905. die_license_disabled gpl x11grab

  4906. 

  4907. die_license_disabled nonfree cuda

  4908. die_license_disabled nonfree libfaac

  4909. die_license_disabled nonfree nvenc

  4910. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4911. enabled gpl && die_license_disabled_gpl nonfree openssl

  4912. 

  4913. die_license_disabled version3 gmp

  4914. die_license_disabled version3 libopencore_amrnb

  4915. die_license_disabled version3 libopencore_amrwb

  4916. die_license_disabled version3 libsmbclient

  4917. die_license_disabled version3 libvo_amrwbenc

  4918. 

  4919. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4920. 

  4921. disabled optimizations || check_cflags -fomit-frame-pointer

  4922. 

  4923. enable_weak_pic() {

  4924.     disabled pic && return

  4925.     enable pic

  4926.     add_cppflags -DPIC

  4927.     case "$target_os" in

  4928.     mingw*|cygwin*)

  4929.         ;;

  4930.     *)

  4931.         add_cflags -fPIC

  4932.         ;;

  4933.     esac

  4934.     add_asflags  -fPIC

  4935. }

  4936. 

  4937. enabled pic && enable_weak_pic

  4938. 

  4939. check_cc <<EOF || die "Symbol mangling check failed."

  4940. int ff_extern;

  4941. EOF

  4942. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4943. extern_prefix=${sym%%ff_extern*}

  4944. 

  4945. check_cc <<EOF && enable_weak inline_asm

  4946. void foo(void) { __asm__ volatile ("" ::); }

  4947. EOF

  4948. 

  4949. _restrict=

  4950. for restrict_keyword in restrict __restrict__ __restrict; do

  4951.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4952. void foo(char * $restrict_keyword p);

  4953. EOF

  4954. done

  4955. 

  4956. check_cc <<EOF && enable pragma_deprecated

  4957. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4958. EOF

  4959. 

  4960. check_cc <<EOF && enable attribute_packed

  4961. struct { int x; } __attribute__((packed)) x;

  4962. EOF

  4963. 

  4964. check_cc <<EOF && enable attribute_may_alias

  4965. union { int x; } __attribute__((may_alias)) x;

  4966. EOF

  4967. 

  4968. check_cc <<EOF || die "endian test failed"

  4969. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4970. EOF

  4971. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4972. 

  4973. if ! enabled ppc64 || enabled bigendian; then

  4974.     disable vsx

  4975. fi

  4976. 

  4977. check_gas() {

  4978.     log "check_gas using '$as' as AS"

  4979.     # :vararg is used on aarch64, arm and ppc altivec

  4980.     check_as <<EOF || return 1

  4981. .macro m n, y:vararg=0

  4982. \n: .int \y

  4983. .endm

  4984. m x

  4985. EOF

  4986.     # .altmacro is only used in arm asm

  4987.     ! enabled arm || check_as <<EOF || return 1

  4988. .altmacro

  4989. EOF

  4990.     enable gnu_as

  4991.     return 0

  4992. }

  4993. 

  4994. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4995.     nogas=:

  4996.     enabled_any arm aarch64 && nogas=die

  4997.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4998.     as_noop=-v

  4999. 

  5000.     case $as_type in

  5001.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5002.         gcc)  gaspp_as_type=gas ;;

  5003.         *)    gaspp_as_type=$as_type ;;

  5004.     esac

  5005. 

  5006.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5007. 

  5008.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5009.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5010.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5011. 

  5012.     if ! check_gas ; then

  5013.         as=${gas:=$as}

  5014.         check_gas || \

  5015.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5016.     fi

  5017. 

  5018.     check_as <<EOF && enable as_func

  5019. .func test

  5020. .endfunc

  5021. EOF

  5022. fi

  5023. 

  5024. check_inline_asm inline_asm_labels '"1:\n"'

  5025. 

  5026. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5027. 

  5028. if enabled aarch64; then

  5029.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5030.     # internal assembler in clang 3.3 does not support this instruction

  5031.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5032.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5033. 

  5034.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5035. 

  5036. elif enabled alpha; then

  5037. 

  5038.     check_cflags -mieee

  5039. 

  5040. elif enabled arm; then

  5041. 

  5042.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5043. 

  5044.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5045. float func(float a, float b){ return a+b; }

  5046. EOF

  5047. 

  5048.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5049. 

  5050.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5051.         enable vfp_args

  5052.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5053.         enable vfp_args

  5054.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5055.         case "${cross_prefix:-$cc}" in

  5056.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5057.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5058. __asm__ (".eabi_attribute 28, 1");

  5059. int main(void) { return 0; }

  5060. EOF

  5061.         esac

  5062.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5063.     fi

  5064. 

  5065.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5066.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5067.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5068.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5069.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5070.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5071.     enabled setend  && check_insn setend  'setend be'

  5072. 

  5073.     [ $target_os = linux ] || [ $target_os = android ] ||

  5074.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5075.             $ARCH_EXT_LIST_ARM

  5076. 

  5077.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5078. 

  5079.     check_as <<EOF && enable as_dn_directive

  5080. ra .dn d0.i16

  5081. .unreq ra

  5082. EOF

  5083. 

  5084.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5085.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5086. .object_arch armv4

  5087. EOF

  5088. 

  5089.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5090. 

  5091. elif enabled mips; then

  5092. 

  5093.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5094.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5095.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5096. 

  5097.     # Enable minimum ISA based on selected options

  5098.     if enabled mips64; then

  5099.         if enabled mips64r6; then

  5100.             check_ldflags "-mips64r6" &&

  5101.             add_cflags "-mips64r6" &&

  5102.             add_asflags "-mips64r6" &&

  5103.             check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||

  5104.             disable mips64r6

  5105.         fi

  5106.         if disabled mips64r6 && enabled mips64r2; then

  5107.             check_ldflags "-mips64r2" &&

  5108.             add_cflags "-mips64r2" &&

  5109.             add_asflags "-mips64r2" &&

  5110.             check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||

  5111.             disable mips64r2

  5112.         fi

  5113.         if disabled mips64r6 && disabled mips64r2; then

  5114.             check_ldflags "-mips64" &&

  5115.             add_cflags "-mips64" &&

  5116.             add_asflags "-mips64" &&

  5117.             check_inline_asm mips64r1 '"daddi $0, $0, 0"' ||

  5118.             disable mips64r1

  5119.         fi

  5120.     else

  5121.         if enabled mips32r6; then

  5122.             check_ldflags "-mips32r6" &&

  5123.             add_cflags "-mips32r6" &&

  5124.             add_asflags "-mips32r6" &&

  5125.             check_inline_asm mips32r6 '"aui $0, $0, 0"' ||

  5126.             disable mips32r6

  5127.         fi

  5128.         if disabled mips32r6 && enabled mips32r2; then

  5129.             check_ldflags "-mips32r2" &&

  5130.             add_cflags "-mips32r2" &&

  5131.             add_asflags "-mips32r2" &&

  5132.             check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||

  5133.             disable mips32r2

  5134.         fi

  5135.         if disabled mips32r6 && disabled mips32r2; then

  5136.             check_ldflags "-mips32" &&

  5137.             add_cflags "-mips32" &&

  5138.             add_asflags "-mips32" &&

  5139.             check_inline_asm mips32r1 '"addi $0, $0, 0"' ||

  5140.             disable mips32r1

  5141.         fi

  5142.     fi

  5143. 

  5144.     # MIPS FPU

  5145.     if enabled mipsfpu; then

  5146.         check_ldflags "-mhard-float" &&

  5147.         add_cflags "-mhard-float" &&

  5148.         add_asflags "-mhard-float" &&

  5149.         check_inline_asm mipsfpu '"cvt.d.l $f0, $f2"' ||

  5150.         disable mipsfpu

  5151.     fi

  5152. 

  5153.     # MSA and DSP support require ISA revision level 2 or greater

  5154.     if enabled mips32r2 || enabled mips64r2 || enabled mips32r6 || enabled mips64r6; then

  5155.         # MSA must be used with -mfp64 and -mhard-float

  5156.         if enabled mipsfpu; then

  5157.             if enabled msa; then

  5158.                 check_ldflags "-mfp64 -mmsa" &&

  5159.                 add_cflags "-mfp64 -mmsa" &&

  5160.                 add_asflags "-mfp64 -mmsa" &&

  5161.                 check_inline_asm msa '"addvi.b $w0, $w1, 1"' &&

  5162.                 check_header msa.h ||

  5163.                 disable msa

  5164.             fi

  5165.         else

  5166.             disable msa

  5167.         fi

  5168. 

  5169.         if enabled mipsdsp; then

  5170.             check_ldflags "-mdsp" &&

  5171.             add_cflags "-mdsp" &&

  5172.             add_asflags "-mdsp" &&

  5173.             check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"' ||

  5174.             disable mipsdsp

  5175.         fi

  5176.         if enabled mipsdspr2; then

  5177.             check_ldflags "-mdspr2" &&

  5178.             add_cflags "-mdspr2" &&

  5179.             add_asflags "-mdspr2" &&

  5180.             check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"' ||

  5181.             disable mipsdspr2

  5182.         fi

  5183.     fi

  5184. 

  5185. elif enabled parisc; then

  5186. 

  5187.     if enabled gcc; then

  5188.         case $($cc -dumpversion) in

  5189.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5190.         esac

  5191.     fi

  5192. 

  5193. elif enabled ppc; then

  5194. 

  5195.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5196. 

  5197.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5198.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5199.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5200.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5201. 

  5202.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5203.     if enabled altivec; then

  5204.         check_cflags -maltivec -mabi=altivec &&

  5205.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5206.         check_cflags -faltivec

  5207. 

  5208.         # check if our compiler supports Motorola AltiVec C API

  5209.         check_cc <<EOF || disable altivec

  5210. $inc_altivec_h

  5211. int main(void) {

  5212.     vector signed int v1 = (vector signed int) { 0 };

  5213.     vector signed int v2 = (vector signed int) { 1 };

  5214.     v1 = vec_add(v1, v2);

  5215.     return 0;

  5216. }

  5217. EOF

  5218. 

  5219.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5220.     fi

  5221. 

  5222.     if enabled vsx; then

  5223.         check_cflags -mvsx &&

  5224.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5225.     fi

  5226. 

  5227.     if enabled power8; then

  5228.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5229.     fi

  5230. 

  5231. elif enabled x86; then

  5232. 

  5233.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5234.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5235. 

  5236.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5237. 

  5238.     # check whether EBP is available on x86

  5239.     # As 'i' is stored on the stack, this program will crash

  5240.     # if the base pointer is used to access it because the

  5241.     # base pointer is cleared in the inline assembly code.

  5242.     check_exec_crash <<EOF && enable ebp_available

  5243. volatile int i=0;

  5244. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5245. return i;

  5246. EOF

  5247. 

  5248.     # check whether EBX is available on x86

  5249.     check_inline_asm ebx_available '""::"b"(0)' &&

  5250.         check_inline_asm ebx_available '"":::"%ebx"'

  5251. 

  5252.     # check whether xmm clobbers are supported

  5253.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5254. 

  5255.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5256.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5257. 

  5258.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5259.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5260.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5261. 

  5262.     if ! disabled_any asm mmx yasm; then

  5263.         if check_cmd $yasmexe --version; then

  5264.             enabled x86_64 && yasm_extra="-m amd64"

  5265.             yasm_debug="-g dwarf2"

  5266.         elif check_cmd nasm -v; then

  5267.             yasmexe=nasm

  5268.             yasm_debug="-g -F dwarf"

  5269.             if enabled x86_64; then

  5270.                 case "$objformat" in

  5271.                     elf)   objformat=elf64 ;;

  5272.                     win32) objformat=win64 ;;

  5273.                 esac

  5274.             fi

  5275.         fi

  5276. 

  5277.         YASMFLAGS="-f $objformat $yasm_extra"

  5278.         enabled pic               && append YASMFLAGS "-DPIC"

  5279.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5280.         case "$objformat" in

  5281.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5282.         esac

  5283. 

  5284.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5285.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5286.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5287.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5288.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5289.         check_yasm "CPU amdnop" || disable cpunop

  5290.     fi

  5291. 

  5292.     case "$cpu" in

  5293.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5294.             disable fast_clz

  5295.         ;;

  5296.     esac

  5297. 

  5298. fi

  5299. 

  5300. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5301. 

  5302. check_ldflags -Wl,--as-needed

  5303. check_ldflags -Wl,-z,noexecstack

  5304. 

  5305. if check_func dlopen; then

  5306.     ldl=

  5307. elif check_func dlopen -ldl; then

  5308.     ldl=-ldl

  5309. fi

  5310. 

  5311. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5312. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5313. frei0r_filter_extralibs='$ldl'

  5314. frei0r_src_filter_extralibs='$ldl'

  5315. ladspa_filter_extralibs='$ldl'

  5316. nvenc_encoder_extralibs='$ldl'

  5317. 

  5318. if ! disabled network; then

  5319.     check_func getaddrinfo $network_extralibs

  5320.     check_func inet_aton $network_extralibs

  5321. 

  5322.     check_type netdb.h "struct addrinfo"

  5323.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5324.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5325.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5326.     check_type poll.h "struct pollfd"

  5327.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5328.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5329.     check_type netinet/in.h "struct sockaddr_in6"

  5330.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5331.     check_type "sys/types.h sys/socket.h" socklen_t

  5332. 

  5333.     # Prefer arpa/inet.h over winsock2

  5334.     if check_header arpa/inet.h ; then

  5335.         check_func closesocket

  5336.     elif check_header winsock2.h ; then

  5337.         check_func_headers winsock2.h closesocket -lws2 &&

  5338.             network_extralibs="-lws2" ||

  5339.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5340.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5341.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5342. 

  5343.         check_type ws2tcpip.h socklen_t

  5344.         check_type ws2tcpip.h "struct addrinfo"

  5345.         check_type ws2tcpip.h "struct group_source_req"

  5346.         check_type ws2tcpip.h "struct ip_mreq_source"

  5347.         check_type ws2tcpip.h "struct ipv6_mreq"

  5348.         check_type winsock2.h "struct pollfd"

  5349.         check_struct winsock2.h "struct sockaddr" sa_len

  5350.         check_type ws2tcpip.h "struct sockaddr_in6"

  5351.         check_type ws2tcpip.h "struct sockaddr_storage"

  5352.     else

  5353.         disable network

  5354.     fi

  5355. fi

  5356. 

  5357. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5358. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5359. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5360. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5361. check_builtin sarestart signal.h "SA_RESTART"

  5362. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5363. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5364. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5365. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5366. 

  5367. case "$custom_allocator" in

  5368.     jemalloc)

  5369.         # jemalloc by default does not use a prefix

  5370.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5371.     ;;

  5372.     tcmalloc)

  5373.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5374.         malloc_prefix=tc_

  5375.     ;;

  5376. esac

  5377. 

  5378. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5379. check_func  ${malloc_prefix}memalign            && enable memalign

  5380. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5381. 

  5382. check_func  access

  5383. check_func  arc4random

  5384. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5385. check_func  fcntl

  5386. check_func  fork

  5387. check_func  gethrtime

  5388. check_func  getopt

  5389. check_func  getrusage

  5390. check_func  gettimeofday

  5391. check_func  isatty

  5392. check_func  mach_absolute_time

  5393. check_func  mkstemp

  5394. check_func  mmap

  5395. check_func  mprotect

  5396. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5397. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5398. check_func  sched_getaffinity

  5399. check_func  setrlimit

  5400. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5401. check_func  strerror_r

  5402. check_func  sysconf

  5403. check_func  sysctl

  5404. check_func  usleep

  5405. 

  5406. check_func_headers conio.h kbhit

  5407. check_func_headers io.h setmode

  5408. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5409. check_func_headers stdlib.h getenv

  5410. check_func_headers sys/stat.h lstat

  5411. 

  5412. check_func_headers windows.h CoTaskMemFree -lole32

  5413. check_func_headers windows.h GetProcessAffinityMask

  5414. check_func_headers windows.h GetProcessTimes

  5415. check_func_headers windows.h GetSystemTimeAsFileTime

  5416. check_func_headers windows.h MapViewOfFile

  5417. check_func_headers windows.h PeekNamedPipe

  5418. check_func_headers windows.h SetConsoleTextAttribute

  5419. check_func_headers windows.h SetConsoleCtrlHandler

  5420. check_func_headers windows.h Sleep

  5421. check_func_headers windows.h VirtualAlloc

  5422. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5423. check_func_headers glob.h glob

  5424. enabled xlib &&

  5425.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5426. 

  5427. check_header direct.h

  5428. check_header dirent.h

  5429. check_header dlfcn.h

  5430. check_header d3d11.h

  5431. check_header dxva.h

  5432. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5433. check_header io.h

  5434. check_header libcrystalhd/libcrystalhd_if.h

  5435. check_header mach/mach_time.h

  5436. check_header malloc.h

  5437. check_header net/udplite.h

  5438. check_header poll.h

  5439. check_header sys/mman.h

  5440. check_header sys/param.h

  5441. check_header sys/resource.h

  5442. check_header sys/select.h

  5443. check_header sys/time.h

  5444. check_header sys/un.h

  5445. check_header termios.h

  5446. check_header unistd.h

  5447. check_header valgrind/valgrind.h

  5448. check_header vdpau/vdpau.h

  5449. check_header vdpau/vdpau_x11.h

  5450. check_header VideoDecodeAcceleration/VDADecoder.h

  5451. check_header VideoToolbox/VideoToolbox.h

  5452. check_header windows.h

  5453. check_header X11/extensions/XvMClib.h

  5454. check_header asm/types.h

  5455. 

  5456. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5457. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5458. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5459. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5460. 

  5461. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5462. 

  5463. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5464. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5465. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5466. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5467. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5468. 

  5469. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5470. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5471. 

  5472. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5473. 

  5474. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5475. 

  5476. if ! disabled w32threads && ! enabled pthreads; then

  5477.     check_func_headers "windows.h process.h" _beginthreadex &&

  5478.         enable w32threads || disable w32threads

  5479.     if ! enabled w32threads && enabled winrt; then

  5480.         check_func_headers "windows.h" CreateThread &&

  5481.             enable w32threads || disable w32threads

  5482.     fi

  5483. fi

  5484. 

  5485. # check for some common methods of building with pthread support

  5486. # do this before the optional library checks as some of them require pthreads

  5487. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5488.     enable pthreads

  5489.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5490.         add_cflags -pthread

  5491.         add_extralibs -pthread

  5492.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5493.         add_cflags -pthreads

  5494.         add_extralibs -pthreads

  5495.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5496.         add_cflags -ldl -pthread

  5497.         add_extralibs -ldl -pthread

  5498.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5499.         add_extralibs -lpthreadGC2

  5500.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5501.         :

  5502.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5503.         disable pthreads

  5504.     fi

  5505.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5506. fi

  5507. 

  5508. 

  5509. if enabled pthreads; then

  5510.   check_func pthread_cancel

  5511. fi

  5512. 

  5513. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5514. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5515. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5516. 

  5517. check_lib math.h sin -lm && LIBM="-lm"

  5518. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5519. 

  5520. atan2f_args=2

  5521. copysign_args=2

  5522. hypot_args=2

  5523. ldexpf_args=2

  5524. powf_args=2

  5525. 

  5526. for func in $MATH_FUNCS; do

  5527.     eval check_mathfunc $func \${${func}_args:-1}

  5528. done

  5529. 

  5530. for func in $COMPLEX_FUNCS; do

  5531.     eval check_complexfunc $func \${${func}_args:-1}

  5532. done

  5533. 

  5534. # these are off by default, so fail if requested and not available

  5535. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5536. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5537.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5538. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5539.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5540.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5541. enabled cuda              && check_lib cuda.h cuInit -lcuda

  5542. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5543. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5544. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5545. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5546. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5547. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5548. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5549. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5550. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5551. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5552. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5553.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5554.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5555. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5556. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5557. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5558. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5559.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5560.                                  warn "using libfdk without pkg-config"; } }

  5561. 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"

  5562. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5563. enabled fontconfig        && enable libfontconfig

  5564. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5565. enabled libfreetype       && require_libfreetype

  5566. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5567. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5568. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5569.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5570.                                done || die "ERROR: libgsm not found"; }

  5571. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5572. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5573. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5574. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5575. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5576. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5577. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5578. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5579. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5580.                                { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5581.                                  require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5582.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5583. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5584. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5585.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5586.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5587.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5588.                                die "ERROR: libopenjpeg not found"; }

  5589. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5590. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5591. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5592. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5593. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5594. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5595. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5596.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5597. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5598. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5599. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5600. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5601. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5602. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5603. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5604.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5605.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5606. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5607. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5608. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5609. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5610. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5611. 

  5612. enabled libvpx            && {

  5613.     enabled libvpx_vp8_decoder && {

  5614.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5615.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5616.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5617.     }

  5618.     enabled libvpx_vp8_encoder && {

  5619.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5620.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5621.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5622.     }

  5623.     enabled libvpx_vp9_decoder && {

  5624.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5625.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5626.                 disable libvpx_vp9_decoder;

  5627.     }

  5628.     enabled libvpx_vp9_encoder && {

  5629.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5630.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5631.                 disable libvpx_vp9_encoder;

  5632.     }

  5633.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5634.         die "libvpx enabled but no supported decoders found"

  5635.     fi

  5636. }

  5637. 

  5638. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5639. enabled libwebp           && {

  5640.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5641.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5642. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5643.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5644.                                  warn "using libx264 without pkg-config"; } } &&

  5645.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5646.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5647.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5648.                                enable libx262; }

  5649. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5650.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5651.                                die "ERROR: libx265 version must be >= 68."; }

  5652. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5653. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5654. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5655. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5656. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5657.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5658.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5659. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5660.                                 { ! enabled cross_compile && {

  5661.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5662.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5663.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5664.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5665.                                die "ERROR: mmal not found"; }

  5666. enabled mmal &&

  5667.     (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||

  5668.      die "ERROR: mmal firmware headers too old")

  5669. 

  5670. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5671. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5672.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5673.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5674.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5675. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5676.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5677.                                die "ERROR: openal not found"; } &&

  5678.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5679.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5680. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5681.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5682.                                die "ERROR: opencl not found"; } &&

  5683.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5684.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5685.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5686. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5687.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5688.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5689.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5690.                                die "ERROR: opengl not found."

  5691.                              }

  5692. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5693.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5694.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5695.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5696.                                die "ERROR: openssl not found"; }

  5697. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5698. 

  5699. # libdc1394 check

  5700. if enabled libdc1394; then

  5701.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5702.         enable libdc1394_2; } ||

  5703.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5704.         enable libdc1394_1; } ||

  5705.     die "ERROR: No version of libdc1394 found "

  5706. fi

  5707. 

  5708. if enabled gcrypt; then

  5709.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5710.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5711.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5712.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5713.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5714.             die "ERROR: gcrypt not found"

  5715.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5716.     else

  5717.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5718.     fi

  5719. fi

  5720. 

  5721. if ! disabled sdl; then

  5722.     SDL_CONFIG="${cross_prefix}sdl-config"

  5723.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5724.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5725.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5726.         enable sdl

  5727.     else

  5728.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5729.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5730.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5731.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5732.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5733.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5734.             enable sdl

  5735.         elif enabled sdl ; then

  5736.             die "ERROR: SDL not found"

  5737.         else

  5738.             disable sdl

  5739.         fi

  5740.     fi

  5741.     if test $target_os = "mingw32"; then

  5742.         sdl_libs="$sdl_libs -mconsole"

  5743.     fi

  5744. fi

  5745. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5746. 

  5747. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5748.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5749.     enable securetransport; }

  5750. 

  5751. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5752.                        enable schannel && add_extralibs -lSecur32; }

  5753. 

  5754. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5755. enabled makeinfo \

  5756.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5757.     && enable makeinfo_html || disable makeinfo_html

  5758. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5759. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5760. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5761. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5762. 

  5763. check_header linux/fb.h

  5764. check_header linux/videodev.h

  5765. check_header linux/videodev2.h

  5766. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5767. 

  5768. check_header sys/videoio.h

  5769. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5770. 

  5771. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5772. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5773. # w32api 3.12 had it defined wrong

  5774. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5775. 

  5776. check_type "dshow.h" IBaseFilter

  5777. 

  5778. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5779. { check_header dev/bktr/ioctl_meteor.h &&

  5780.   check_header dev/bktr/ioctl_bt848.h; } ||

  5781. { check_header machine/ioctl_meteor.h &&

  5782.   check_header machine/ioctl_bt848.h; } ||

  5783. { check_header dev/video/meteor/ioctl_meteor.h &&

  5784.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5785. check_header dev/ic/bt8xx.h

  5786. 

  5787. check_header sndio.h

  5788. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5789.     enable_safe sys/soundcard.h

  5790. else

  5791.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5792.     #include <sys/soundcard.h>

  5793.     audio_buf_info abc;

  5794. EOF

  5795. fi

  5796. check_header soundcard.h

  5797. 

  5798. enabled_any alsa_indev alsa_outdev &&

  5799.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5800. 

  5801. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5802.     check_func jack_port_get_latency_range -ljack

  5803. 

  5804. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5805. 

  5806. if enabled libcdio; then

  5807.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5808.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5809.     die "ERROR: No usable libcdio/cdparanoia found"

  5810. fi

  5811. 

  5812. enabled xlib &&

  5813.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5814. 

  5815. if ! disabled libxcb; then

  5816.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5817.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5818.     } && disable x11grab && enable libxcb

  5819. 

  5820. if enabled libxcb; then

  5821.     disabled libxcb_shm || {

  5822.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5823.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5824.         } && check_header sys/shm.h && enable libxcb_shm; }

  5825. 

  5826.     disabled libxcb_xfixes || {

  5827.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5828.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5829.         } && enable libxcb_xfixes; }

  5830. 

  5831.     disabled libxcb_shape || {

  5832.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5833.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5834.         } && enable libxcb_shape; }

  5835. 

  5836.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5837.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5838. fi

  5839. fi

  5840. 

  5841. if enabled x11grab; then

  5842.     enabled xlib || die "ERROR: Xlib not found"

  5843.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5844.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5845. fi

  5846. 

  5847. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5848. 

  5849. enabled dxva2api_h &&

  5850.     check_cc <<EOF && enable dxva2api_cobj

  5851. #define _WIN32_WINNT 0x0600

  5852. #define COBJMACROS

  5853. #include <windows.h>

  5854. #include <d3d9.h>

  5855. #include <dxva2api.h>

  5856. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5857. EOF

  5858. 

  5859. enabled vaapi &&

  5860.     check_lib va/va.h vaInitialize -lva ||

  5861.     disable vaapi

  5862. 

  5863. enabled vaapi && enabled xlib &&

  5864.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5865.     enable vaapi_x11

  5866. 

  5867. enabled vdpau &&

  5868.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5869.     disable vdpau

  5870. 

  5871. enabled vdpau && enabled xlib &&

  5872.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5873.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5874.     enable vdpau_x11

  5875. 

  5876. # Funny iconv installations are not unusual, so check it after all flags have been set

  5877. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5878. 

  5879. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5880. 

  5881. # add some useful compiler flags if supported

  5882. check_cflags -Wdeclaration-after-statement

  5883. check_cflags -Wall

  5884. check_cflags -Wdisabled-optimization

  5885. check_cflags -Wpointer-arith

  5886. check_cflags -Wredundant-decls

  5887. check_cflags -Wwrite-strings

  5888. check_cflags -Wtype-limits

  5889. check_cflags -Wundef

  5890. check_cflags -Wmissing-prototypes

  5891. check_cflags -Wno-pointer-to-int-cast

  5892. check_cflags -Wstrict-prototypes

  5893. check_cflags -Wempty-body

  5894. enabled extra_warnings && check_cflags -Winline

  5895. enabled extra_warnings && check_cflags -Wcast-qual

  5896. 

  5897. check_disable_warning(){

  5898.     warning_flag=-W${1#-Wno-}

  5899.     test_cflags $warning_flag && add_cflags $1

  5900. }

  5901. 

  5902. check_disable_warning -Wno-parentheses

  5903. check_disable_warning -Wno-switch

  5904. check_disable_warning -Wno-format-zero-length

  5905. check_disable_warning -Wno-pointer-sign

  5906. check_disable_warning -Wno-unused-const-variable

  5907. 

  5908. # add some linker flags

  5909. check_ldflags -Wl,--warn-common

  5910. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5911. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5912. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5913. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5914. 

  5915. # add some strip flags

  5916. # -wN '..@*' is more selective than -x, but not available everywhere.

  5917. check_stripflags -wN \'..@*\' || check_stripflags -x

  5918. 

  5919. enabled neon_clobber_test &&

  5920.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5921.                   -Wl,--wrap,avcodec_decode_audio4      \

  5922.                   -Wl,--wrap,avcodec_decode_video2      \

  5923.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5924.                   -Wl,--wrap,avcodec_encode_audio2      \

  5925.                   -Wl,--wrap,avcodec_encode_video2      \

  5926.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5927.                   -Wl,--wrap,swr_convert                \

  5928.                   -Wl,--wrap,avresample_convert ||

  5929.     disable neon_clobber_test

  5930. 

  5931. enabled xmm_clobber_test &&

  5932.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5933.                   -Wl,--wrap,avcodec_decode_audio4      \

  5934.                   -Wl,--wrap,avcodec_decode_video2      \

  5935.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5936.                   -Wl,--wrap,avcodec_encode_audio2      \

  5937.                   -Wl,--wrap,avcodec_encode_video2      \

  5938.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5939.                   -Wl,--wrap,swr_convert                \

  5940.                   -Wl,--wrap,avresample_convert         \

  5941.                   -Wl,--wrap,sws_scale ||

  5942.     disable xmm_clobber_test

  5943. 

  5944. echo "X { local: *; };" > $TMPV

  5945. if test_ldflags -Wl,--version-script,$TMPV; then

  5946.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5947. elif test_ldflags -Wl,-M,$TMPV; then

  5948.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5949. fi

  5950. 

  5951. check_cc <<EOF && enable symver_asm_label

  5952. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5953. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5954. EOF

  5955.     check_cc <<EOF && enable symver_gnu_asm

  5956. __asm__(".symver ff_foo,av_foo@VERSION");

  5957. void ff_foo(void) {}

  5958. EOF

  5959. 

  5960. if [ -z "$optflags" ]; then

  5961.     if enabled small; then

  5962.         optflags=$cflags_size

  5963.     elif enabled optimizations; then

  5964.         optflags=$cflags_speed

  5965.     else

  5966.         optflags=$cflags_noopt

  5967.     fi

  5968. fi

  5969. 

  5970. check_optflags(){

  5971.     check_cflags "$@"

  5972.     enabled lto && check_ldflags "$@"

  5973. }

  5974. 

  5975. 

  5976. if enabled lto; then

  5977.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5978.     check_cflags  -flto

  5979.     check_ldflags -flto $cpuflags

  5980.     disable inline_asm_direct_symbol_refs

  5981. fi

  5982. 

  5983. check_optflags $optflags

  5984. check_optflags -fno-math-errno

  5985. check_optflags -fno-signed-zeros

  5986. 

  5987. enabled ftrapv && check_cflags -ftrapv

  5988. 

  5989. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5990. int x;

  5991. EOF

  5992. 

  5993. 

  5994. if enabled icc; then

  5995.     # Just warnings, no remarks

  5996.     check_cflags -w1

  5997.     # -wd: Disable following warnings

  5998.     # 144, 167, 556: -Wno-pointer-sign

  5999.     # 188: enumerated type mixed with another type

  6000.     # 1292: attribute "foo" ignored

  6001.     # 1419: external declaration in primary source file

  6002.     # 10006: ignoring unknown option -fno-signed-zeros

  6003.     # 10148: ignoring unknown option -Wno-parentheses

  6004.     # 10156: ignoring option '-W'; no argument required

  6005.     # 13200: No EMMS instruction before call to function

  6006.     # 13203: No EMMS instruction before return from function

  6007.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6008.     # 11030: Warning unknown option --as-needed

  6009.     # 10156: ignoring option '-export'; no argument required

  6010.     check_ldflags -wd10156,11030

  6011.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6012.     enable ebp_available

  6013.     # The test above does not test linking

  6014.     enabled lto && disable symver_asm_label

  6015.     if enabled x86_32; then

  6016.         icc_version=$($cc -dumpversion)

  6017.         test ${icc_version%%.*} -ge 11 &&

  6018.             check_cflags -falign-stack=maintain-16-byte ||

  6019.             disable aligned_stack

  6020.     fi

  6021. elif enabled ccc; then

  6022.     # disable some annoying warnings

  6023.     add_cflags -msg_disable bitnotint

  6024.     add_cflags -msg_disable mixfuncvoid

  6025.     add_cflags -msg_disable nonstandcast

  6026.     add_cflags -msg_disable unsupieee

  6027. elif enabled gcc; then

  6028.     case $gcc_basever in

  6029.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  6030.         4.*)                 check_optflags -fno-tree-vectorize ;;

  6031.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  6032.     esac

  6033.     check_cflags -Werror=format-security

  6034.     check_cflags -Werror=implicit-function-declaration

  6035.     check_cflags -Werror=missing-prototypes

  6036.     check_cflags -Werror=return-type

  6037.     check_cflags -Werror=vla

  6038.     check_cflags -Wformat

  6039.     check_cflags -fdiagnostics-color=auto

  6040.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6041. elif enabled llvm_gcc; then

  6042.     check_cflags -mllvm -stack-alignment=16

  6043. elif enabled clang; then

  6044.     check_cflags -mllvm -stack-alignment=16

  6045.     check_cflags -Qunused-arguments

  6046.     check_cflags -Werror=implicit-function-declaration

  6047.     check_cflags -Werror=missing-prototypes

  6048.     check_cflags -Werror=return-type

  6049. elif enabled cparser; then

  6050.     add_cflags -Wno-missing-variable-declarations

  6051.     add_cflags -Wno-empty-statement

  6052. elif enabled armcc; then

  6053.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6054.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6055.     # 2523: use of inline assembly is deprecated

  6056.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6057.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6058.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6059.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6060.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6061.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6062. elif enabled tms470; then

  6063.     add_cflags -pds=824 -pds=837

  6064.     disable inline_asm

  6065. elif enabled pathscale; then

  6066.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6067. elif enabled_any msvc icl; then

  6068.     enabled x86_32 && disable aligned_stack

  6069.     enabled_all x86_32 debug && add_cflags -Oy-

  6070.     enabled debug && add_ldflags -debug

  6071.     enable pragma_deprecated

  6072.     if enabled icl; then

  6073.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6074.         # (correctly) on icl 13.x.

  6075.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6076.             add_cflags -Qansi-alias

  6077.         # Some inline asm is not compilable in debug

  6078.         if enabled debug; then

  6079.             disable ebp_available

  6080.             disable ebx_available

  6081.         fi

  6082.     fi

  6083.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6084.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6085.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6086.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6087.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6088.     # MSVC 2013 and newer can handle it fine.

  6089.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6090.     # happens in config.h.

  6091.     if [ $_restrict != restrict ]; then

  6092.         check_cc <<EOF || add_cflags -FIstdlib.h

  6093. __declspec($_restrict) void* foo(int);

  6094. EOF

  6095.     fi

  6096.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6097. fi

  6098. 

  6099. for pfx in "" host_; do

  6100.     varname=${pfx%_}cc_type

  6101.     eval "type=\$$varname"

  6102.     if [ $type = "msvc" ]; then

  6103.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6104. static inline int foo(int a) { return a; }

  6105. EOF

  6106.     fi

  6107. done

  6108. 

  6109. case $as_type in

  6110.     clang)

  6111.         add_asflags -Qunused-arguments

  6112.     ;;

  6113. esac

  6114. 

  6115. case $ld_type in

  6116.     clang)

  6117.         check_ldflags -Qunused-arguments

  6118.     ;;

  6119. esac

  6120. 

  6121. case $target_os in

  6122.     osf1)

  6123.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6124.     ;;

  6125.     plan9)

  6126.         add_cppflags -Dmain=plan9_main

  6127.     ;;

  6128. esac

  6129. 

  6130. enable frame_thread_encoder

  6131. 

  6132. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6133. 

  6134. check_deps $CONFIG_LIST       \

  6135.            $CONFIG_EXTRA      \

  6136.            $HAVE_LIST         \

  6137.            $ALL_COMPONENTS    \

  6138. 

  6139. 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"

  6140. 

  6141. 

  6142. if test $target_os = "haiku"; then

  6143.     disable memalign

  6144.     disable posix_memalign

  6145. fi

  6146. 

  6147. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6148.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6149.     enable dxva2_lib

  6150. 

  6151. ! enabled_any memalign posix_memalign aligned_malloc &&

  6152.     enabled simd_align_16 && enable memalign_hack

  6153. 

  6154. # add_dep lib dep

  6155. # -> enable ${lib}_deps_${dep}

  6156. # -> add $dep to ${lib}_deps only once

  6157. add_dep() {

  6158.     lib=$1

  6159.     dep=$2

  6160.     enabled "${lib}_deps_${dep}" && return 0

  6161.     enable  "${lib}_deps_${dep}"

  6162.     prepend "${lib}_deps" $dep

  6163. }

  6164. 

  6165. # merge deps lib components

  6166. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6167. merge_deps() {

  6168.     lib=$1

  6169.     shift

  6170.     for comp in $*; do

  6171.         enabled $comp || continue

  6172.         eval "dep=\"\$${comp}_deps\""

  6173.         for d in $dep; do

  6174.             add_dep $lib $d

  6175.         done

  6176.     done

  6177. }

  6178. 

  6179. merge_deps libavfilter $FILTER_LIST

  6180. 

  6181. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6182. 

  6183. for thread in $THREADS_LIST; do

  6184.     if enabled $thread; then

  6185.         test -n "$thread_type" &&

  6186.             die "ERROR: Only one thread type must be selected." ||

  6187.             thread_type="$thread"

  6188.     fi

  6189. done

  6190. 

  6191. enabled zlib && add_cppflags -DZLIB_CONST

  6192. 

  6193. # conditional library dependencies, in linking order

  6194. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6195. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6196. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6197. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6198. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6199. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6200. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6201. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6202. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6203. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6204. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6205. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6206. enabled pan_filter          && prepend avfilter_deps "swresample"

  6207. enabled pp_filter           && prepend avfilter_deps "postproc"

  6208. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6209. enabled resample_filter && prepend avfilter_deps "avresample"

  6210. enabled sab_filter          && prepend avfilter_deps "swscale"

  6211. enabled scale_filter    && prepend avfilter_deps "swscale"

  6212. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6213. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6214. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6215. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6216. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6217. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6218. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6219. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6220. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6221. 

  6222. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6223. 

  6224. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6225. 

  6226. expand_deps(){

  6227.     lib_deps=${1}_deps

  6228.     eval "deps=\$$lib_deps"

  6229.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6230.     unique $lib_deps

  6231. }

  6232. 

  6233. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6234. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6235. 

  6236. map 'expand_deps $v' $LIBRARY_LIST

  6237. 

  6238. echo "install prefix            $prefix"

  6239. echo "source path               $source_path"

  6240. echo "C compiler                $cc"

  6241. echo "C library                 $libc_type"

  6242. if test "$host_cc" != "$cc"; then

  6243.     echo "host C compiler           $host_cc"

  6244.     echo "host C library            $host_libc_type"

  6245. fi

  6246. echo "ARCH                      $arch ($cpu)"

  6247. if test "$build_suffix" != ""; then

  6248.     echo "build suffix              $build_suffix"

  6249. fi

  6250. if test "$progs_suffix" != ""; then

  6251.     echo "progs suffix              $progs_suffix"

  6252. fi

  6253. if test "$extra_version" != ""; then

  6254.     echo "version string suffix     $extra_version"

  6255. fi

  6256. echo "big-endian                ${bigendian-no}"

  6257. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6258. if enabled x86; then

  6259.     echo "${yasmexe}                      ${yasm-no}"

  6260.     echo "MMX enabled               ${mmx-no}"

  6261.     echo "MMXEXT enabled            ${mmxext-no}"

  6262.     echo "3DNow! enabled            ${amd3dnow-no}"

  6263.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6264.     echo "SSE enabled               ${sse-no}"

  6265.     echo "SSSE3 enabled             ${ssse3-no}"

  6266.     echo "AESNI enabled             ${aesni-no}"

  6267.     echo "AVX enabled               ${avx-no}"

  6268.     echo "XOP enabled               ${xop-no}"

  6269.     echo "FMA3 enabled              ${fma3-no}"

  6270.     echo "FMA4 enabled              ${fma4-no}"

  6271.     echo "i686 features enabled     ${i686-no}"

  6272.     echo "CMOV is fast              ${fast_cmov-no}"

  6273.     echo "EBX available             ${ebx_available-no}"

  6274.     echo "EBP available             ${ebp_available-no}"

  6275. fi

  6276. if enabled aarch64; then

  6277.     echo "NEON enabled              ${neon-no}"

  6278.     echo "VFP enabled               ${vfp-no}"

  6279. fi

  6280. if enabled arm; then

  6281.     echo "ARMv5TE enabled           ${armv5te-no}"

  6282.     echo "ARMv6 enabled             ${armv6-no}"

  6283.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6284.     echo "VFP enabled               ${vfp-no}"

  6285.     echo "NEON enabled              ${neon-no}"

  6286.     echo "THUMB enabled             ${thumb-no}"

  6287. fi

  6288. if enabled mips; then

  6289.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6290.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6291.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6292.     echo "MIPS MSA enabled          ${msa-no}"

  6293.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6294. fi

  6295. if enabled ppc; then

  6296.     echo "AltiVec enabled           ${altivec-no}"

  6297.     echo "VSX enabled               ${vsx-no}"

  6298.     echo "POWER8 enabled            ${power8-no}"

  6299.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6300.     echo "dcbzl available           ${dcbzl-no}"

  6301. fi

  6302. echo "debug symbols             ${debug-no}"

  6303. echo "strip symbols             ${stripping-no}"

  6304. echo "optimize for size         ${small-no}"

  6305. echo "optimizations             ${optimizations-no}"

  6306. echo "static                    ${static-no}"

  6307. echo "shared                    ${shared-no}"

  6308. echo "postprocessing support    ${postproc-no}"

  6309. echo "new filter support        ${avfilter-no}"

  6310. echo "network support           ${network-no}"

  6311. echo "threading support         ${thread_type-no}"

  6312. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6313. echo "SDL support               ${sdl-no}"

  6314. echo "opencl enabled            ${opencl-no}"

  6315. echo "texi2html enabled         ${texi2html-no}"

  6316. echo "perl enabled              ${perl-no}"

  6317. echo "pod2man enabled           ${pod2man-no}"

  6318. echo "makeinfo enabled          ${makeinfo-no}"

  6319. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6320. test -n "$random_seed" &&

  6321.     echo "random seed               ${random_seed}"

  6322. echo

  6323. 

  6324. echo "Enabled programs:"

  6325. print_enabled '' $PROGRAM_LIST | print_in_columns

  6326. echo

  6327. 

  6328. echo "External libraries:"

  6329. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6330. echo

  6331. 

  6332. echo "Libraries:"

  6333. print_enabled '' $LIBRARY_LIST | print_in_columns

  6334. echo

  6335. 

  6336. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6337.     echo "Enabled ${type}s:"

  6338.     eval list=\$$(toupper $type)_LIST

  6339.     print_enabled '_*' $list | print_in_columns

  6340.     echo

  6341. done

  6342. 

  6343. license="LGPL version 2.1 or later"

  6344. if enabled nonfree; then

  6345.     license="nonfree and unredistributable"

  6346. elif enabled gplv3; then

  6347.     license="GPL version 3 or later"

  6348. elif enabled lgplv3; then

  6349.     license="LGPL version 3 or later"

  6350. elif enabled gpl; then

  6351.     license="GPL version 2 or later"

  6352. fi

  6353. 

  6354. echo "License: $license"

  6355. 

  6356. echo "Creating config.mak, config.h, and doc/config.texi..."

  6357. 

  6358. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6359. 

  6360. enabled stripping || strip="echo skipping strip"

  6361. 

  6362. config_files="$TMPH config.mak doc/config.texi"

  6363. 

  6364. cat > config.mak <<EOF

  6365. # Automatically generated by configure - do not modify!

  6366. ifndef FFMPEG_CONFIG_MAK

  6367. FFMPEG_CONFIG_MAK=1

  6368. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6369. prefix=$prefix

  6370. LIBDIR=\$(DESTDIR)$libdir

  6371. SHLIBDIR=\$(DESTDIR)$shlibdir

  6372. INCDIR=\$(DESTDIR)$incdir

  6373. BINDIR=\$(DESTDIR)$bindir

  6374. DATADIR=\$(DESTDIR)$datadir

  6375. DOCDIR=\$(DESTDIR)$docdir

  6376. MANDIR=\$(DESTDIR)$mandir

  6377. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6378. INSTALL_NAME_DIR=$install_name_dir

  6379. SRC_PATH=$source_path

  6380. SRC_LINK=$source_link

  6381. ifndef MAIN_MAKEFILE

  6382. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6383. endif

  6384. CC_IDENT=$cc_ident

  6385. ARCH=$arch

  6386. INTRINSICS=$intrinsics

  6387. CC=$cc

  6388. CXX=$cxx

  6389. AS=$as

  6390. OBJCC=$objcc

  6391. LD=$ld

  6392. DEPCC=$dep_cc

  6393. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6394. DEPAS=$as

  6395. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6396. YASM=$yasmexe

  6397. DEPYASM=$yasmexe

  6398. AR=$ar

  6399. ARFLAGS=$arflags

  6400. AR_O=$ar_o

  6401. RANLIB=$ranlib

  6402. STRIP=$strip

  6403. CP=cp -p

  6404. LN_S=$ln_s

  6405. CPPFLAGS=$CPPFLAGS

  6406. CFLAGS=$CFLAGS

  6407. CXXFLAGS=$CXXFLAGS

  6408. OBJCFLAGS=$OBJCFLAGS

  6409. ASFLAGS=$ASFLAGS

  6410. AS_C=$AS_C

  6411. AS_O=$AS_O

  6412. OBJCC_C=$OBJCC_C

  6413. OBJCC_E=$OBJCC_E

  6414. OBJCC_O=$OBJCC_O

  6415. CC_C=$CC_C

  6416. CC_E=$CC_E

  6417. CC_O=$CC_O

  6418. CXX_C=$CXX_C

  6419. CXX_O=$CXX_O

  6420. LD_O=$LD_O

  6421. LD_LIB=$LD_LIB

  6422. LD_PATH=$LD_PATH

  6423. DLLTOOL=$dlltool

  6424. WINDRES=$windres

  6425. DEPWINDRES=$dep_cc

  6426. DOXYGEN=$doxygen

  6427. LDFLAGS=$LDFLAGS

  6428. LDEXEFLAGS=$LDEXEFLAGS

  6429. LDLIBFLAGS=$LDLIBFLAGS

  6430. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6431. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6432. YASMFLAGS=$YASMFLAGS

  6433. BUILDSUF=$build_suffix

  6434. PROGSSUF=$progs_suffix

  6435. FULLNAME=$FULLNAME

  6436. LIBPREF=$LIBPREF

  6437. LIBSUF=$LIBSUF

  6438. LIBNAME=$LIBNAME

  6439. SLIBPREF=$SLIBPREF

  6440. SLIBSUF=$SLIBSUF

  6441. EXESUF=$EXESUF

  6442. EXTRA_VERSION=$extra_version

  6443. CCDEP=$CCDEP

  6444. CXXDEP=$CXXDEP

  6445. CCDEP_FLAGS=$CCDEP_FLAGS

  6446. ASDEP=$ASDEP

  6447. ASDEP_FLAGS=$ASDEP_FLAGS

  6448. CC_DEPFLAGS=$CC_DEPFLAGS

  6449. AS_DEPFLAGS=$AS_DEPFLAGS

  6450. HOSTCC=$host_cc

  6451. HOSTLD=$host_ld

  6452. HOSTCFLAGS=$host_cflags

  6453. HOSTCPPFLAGS=$host_cppflags

  6454. HOSTEXESUF=$HOSTEXESUF

  6455. HOSTLDFLAGS=$host_ldflags

  6456. HOSTLIBS=$host_libs

  6457. DEPHOSTCC=$host_cc

  6458. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6459. HOSTCCDEP=$HOSTCCDEP

  6460. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6461. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6462. HOSTCC_C=$HOSTCC_C

  6463. HOSTCC_O=$HOSTCC_O

  6464. HOSTLD_O=$HOSTLD_O

  6465. TARGET_EXEC=$target_exec $target_exec_args

  6466. TARGET_PATH=$target_path

  6467. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6468. CFLAGS-ffplay=$sdl_cflags

  6469. ZLIB=$($ldflags_filter -lz)

  6470. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6471. EXTRALIBS=$extralibs

  6472. COMPAT_OBJS=$compat_objs

  6473. EXEOBJS=$exeobjs

  6474. INSTALL=$install

  6475. LIBTARGET=${LIBTARGET}

  6476. SLIBNAME=${SLIBNAME}

  6477. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6478. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6479. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6480. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6481. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6482. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6483. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6484. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6485. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6486. NOREDZONE_FLAGS=$noredzone_flags

  6487. EOF

  6488. 

  6489. get_version(){

  6490.     lcname=lib${1}

  6491.     name=$(toupper $lcname)

  6492.     file=$source_path/$lcname/version.h

  6493.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6494.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6495.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6496.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6497.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6498.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6499. }

  6500. 

  6501. map 'get_version $v' $LIBRARY_LIST

  6502. 

  6503. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6504. 

  6505. print_program_libs(){

  6506.     eval "program_libs=\$${1}_libs"

  6507.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6508. }

  6509. 

  6510. map 'print_program_libs $v' $PROGRAM_LIST

  6511. 

  6512. cat > $TMPH <<EOF

  6513. /* Automatically generated by configure - do not modify! */

  6514. #ifndef FFMPEG_CONFIG_H

  6515. #define FFMPEG_CONFIG_H

  6516. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6517. #define FFMPEG_LICENSE "$(c_escape $license)"

  6518. #define CONFIG_THIS_YEAR 2016

  6519. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6520. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6521. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6522. #define av_restrict $_restrict

  6523. #define EXTERN_PREFIX "${extern_prefix}"

  6524. #define EXTERN_ASM ${extern_prefix}

  6525. #define BUILDSUF "$build_suffix"

  6526. #define SLIBSUF "$SLIBSUF"

  6527. #define HAVE_MMX2 HAVE_MMXEXT

  6528. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6529. EOF

  6530. 

  6531. test -n "$assert_level" &&

  6532.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6533. 

  6534. test -n "$malloc_prefix" &&

  6535.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6536. 

  6537. if enabled yasm; then

  6538.     append config_files $TMPASM

  6539.     printf '' >$TMPASM

  6540. fi

  6541. 

  6542. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6543. 

  6544. 

  6545. mkdir -p doc

  6546. mkdir -p tests

  6547. mkdir -p tests/api

  6548. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6549. 

  6550. print_config ARCH_   "$config_files" $ARCH_LIST

  6551. print_config HAVE_   "$config_files" $HAVE_LIST

  6552. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6553.                                      $CONFIG_EXTRA      \

  6554.                                      $ALL_COMPONENTS    \

  6555. 

  6556. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6557. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6558. 

  6559. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6560. cp_if_changed $TMPH config.h

  6561. touch .config

  6562. 

  6563. enabled yasm && cp_if_changed $TMPASM config.asm

  6564. 

  6565. cat > $TMPH <<EOF

  6566. /* Generated by ffconf */

  6567. #ifndef AVUTIL_AVCONFIG_H

  6568. #define AVUTIL_AVCONFIG_H

  6569. EOF

  6570. 

  6571. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6572. 

  6573. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6574. 

  6575. cp_if_changed $TMPH libavutil/avconfig.h

  6576. 

  6577. if test -n "$WARNINGS"; then

  6578.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6579.     enabled fatal_warnings && exit 1

  6580. fi

  6581. 

  6582. # build pkg-config files

  6583. 

  6584. lib_version(){

  6585.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6586. }

  6587. 

  6588. pkgconfig_generate(){

  6589.     name=$1

  6590.     shortname=${name#lib}${build_suffix}

  6591.     comment=$2

  6592.     version=$3

  6593.     libs=$4

  6594.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6595.     requires=${requires%, }

  6596.     enabled ${name#lib} || return 0

  6597.     mkdir -p $name

  6598.     cat <<EOF > $name/$name${build_suffix}.pc

  6599. prefix=$prefix

  6600. exec_prefix=\${prefix}

  6601. libdir=$libdir

  6602. includedir=$incdir

  6603. 

  6604. Name: $name

  6605. Description: $comment

  6606. Version: $version

  6607. Requires: $(enabled shared || echo $requires)

  6608. Requires.private: $(enabled shared && echo $requires)

  6609. Conflicts:

  6610. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6611. Libs.private: $(enabled shared && echo $libs)

  6612. Cflags: -I\${includedir}

  6613. EOF

  6614. 

  6615. mkdir -p doc/examples/pc-uninstalled

  6616. includedir=${source_path}

  6617. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6618.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6619. prefix=

  6620. exec_prefix=

  6621. libdir=\${pcfiledir}/../../../$name

  6622. includedir=${includedir}

  6623. 

  6624. Name: $name

  6625. Description: $comment

  6626. Version: $version

  6627. Requires: $requires

  6628. Conflicts:

  6629. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6630. Cflags: -I\${includedir}

  6631. EOF

  6632. }

  6633. 

  6634. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6635. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6636. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6637. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6638. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6639. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6640. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6641. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6642. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"