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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

  94. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

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

  112. 

  113. Program options:

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

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

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

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

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

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

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

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

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

  207.                            if openssl is not used [no]

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

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

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

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

  212.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  219.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  235.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  262.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  284.   --enable-opencl          enable OpenCL code

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

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

  287.                            if gnutls is not used [no]

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

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

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

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

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

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

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

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

  296. 

  297. Toolchain options:

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

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

  300.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  347. 

  348. Advanced options (experts only):

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

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

  351.   --disable-symver         disable symbol versioning

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

  353.   --disable-safe-bitstream-reader

  354.                            disable buffer boundary checking in bitreaders

  355.                            (faster, but may crash)

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

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

  358. 

  359. Optimization options (experts only):

  360.   --disable-asm            disable all assembly optimizations

  361.   --disable-altivec        disable AltiVec optimizations

  362.   --disable-vsx            disable VSX optimizations

  363.   --disable-power8         disable POWER8 optimizations

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

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

  366.   --disable-mmx            disable MMX optimizations

  367.   --disable-mmxext         disable MMXEXT optimizations

  368.   --disable-sse            disable SSE optimizations

  369.   --disable-sse2           disable SSE2 optimizations

  370.   --disable-sse3           disable SSE3 optimizations

  371.   --disable-ssse3          disable SSSE3 optimizations

  372.   --disable-sse4           disable SSE4 optimizations

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

  374.   --disable-avx            disable AVX optimizations

  375.   --disable-xop            disable XOP optimizations

  376.   --disable-fma3           disable FMA3 optimizations

  377.   --disable-fma4           disable FMA4 optimizations

  378.   --disable-avx2           disable AVX2 optimizations

  379.   --disable-aesni          disable AESNI optimizations

  380.   --disable-armv5te        disable armv5te optimizations

  381.   --disable-armv6          disable armv6 optimizations

  382.   --disable-armv6t2        disable armv6t2 optimizations

  383.   --disable-vfp            disable VFP optimizations

  384.   --disable-neon           disable NEON optimizations

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

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

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

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

  389.   --disable-msa            disable MSA optimizations

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

  391.   --disable-mmi            disable Loongson SIMD optimizations

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

  393. 

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

  395.   --disable-debug          disable debugging symbols

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

  397.   --disable-optimizations  disable compiler optimizations

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

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

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

  401.                            2 causes a slowdown at runtime.

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

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

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

  405.                            Cannot be combined with --target-exec

  406.   --enable-ftrapv          Trap arithmetic overflows

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

  408.                            \$FATE_SAMPLES at make invocation time.

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

  410.                            used only for debugging purposes)

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

  412.                            should be used only for debugging purposes)

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

  414.   --disable-random

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

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

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

  418.                            (group) and PROB the probability associated with

  419.                            NAME (default 0.5).

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

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

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

  423. 

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

  425. EOF

  426.   exit 0

  427. }

  428. 

  429. quotes='""'

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

  431.     ncolors=$(tput colors)

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

  433.         bold_color=$(tput bold)

  434.         warn_color=$(tput setaf 3)

  435.         error_color=$(tput setaf 1)

  436.         reset_color=$(tput sgr0)

  437.     fi

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

  439.     ncols=$(tput cols)

  440. fi

  441. : ${ncols:=72}

  442. 

  443. log(){

  444.     echo "$@" >> $logfile

  445. }

  446. 

  447. log_file(){

  448.     log BEGIN $1

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

  450.     log END $1

  451. }

  452. 

  453. warn(){

  454.     log "WARNING: $*"

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

  456. }

  457. 

  458. die(){

  459.     log "$@"

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

  461.     cat <<EOF

  462. 

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

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

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

  466. EOF

  467.     if disabled logging; then

  468.         cat <<EOF

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

  470. include the log this produces with your report.

  471. EOF

  472.     else

  473.         cat <<EOF

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

  475. solve the problem.

  476. EOF

  477.     fi

  478.     exit 1

  479. }

  480. 

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

  482. toupper(){

  483.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  484. }

  485. 

  486. tolower(){

  487.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  488. }

  489. 

  490. c_escape(){

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

  492. }

  493. 

  494. sh_quote(){

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

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

  497.     echo "$v"

  498. }

  499. 

  500. cleanws(){

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

  502. }

  503. 

  504. filter(){

  505.     pat=$1

  506.     shift

  507.     for v; do

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

  509.     done

  510. }

  511. 

  512. filter_out(){

  513.     pat=$1

  514.     shift

  515.     for v; do

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

  517.     done

  518. }

  519. 

  520. map(){

  521.     m=$1

  522.     shift

  523.     for v; do eval $m; done

  524. }

  525. 

  526. add_suffix(){

  527.     suffix=$1

  528.     shift

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

  530. }

  531. 

  532. set_all(){

  533.     value=$1

  534.     shift

  535.     for var in $*; do

  536.         eval $var=$value

  537.     done

  538. }

  539. 

  540. set_weak(){

  541.     value=$1

  542.     shift

  543.     for var; do

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

  545.     done

  546. }

  547. 

  548. sanitize_var_name(){

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

  550. }

  551. 

  552. set_safe(){

  553.     var=$1

  554.     shift

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

  556. }

  557. 

  558. get_safe(){

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

  560. }

  561. 

  562. pushvar(){

  563.     for pvar in $*; do

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

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

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

  567.     done

  568. }

  569. 

  570. popvar(){

  571.     for pvar in $*; do

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

  573.         test $level = 0 && continue

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

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

  576.         eval ${pvar}_level=$level

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

  578.     done

  579. }

  580. 

  581. enable(){

  582.     set_all yes $*

  583. }

  584. 

  585. disable(){

  586.     set_all no $*

  587. }

  588. 

  589. enable_weak(){

  590.     set_weak yes $*

  591. }

  592. 

  593. disable_weak(){

  594.     set_weak no $*

  595. }

  596. 

  597. enable_safe(){

  598.     for var; do

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

  600.     done

  601. }

  602. 

  603. disable_safe(){

  604.     for var; do

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

  606.     done

  607. }

  608. 

  609. do_enable_deep(){

  610.     for var; do

  611.         enabled $var && continue

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

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

  614.         pushvar var sgs

  615.         enable_deep $sel

  616.         popvar sgs

  617.         enable_deep_weak $sgs

  618.         popvar var

  619.     done

  620. }

  621. 

  622. enable_deep(){

  623.     do_enable_deep $*

  624.     enable $*

  625. }

  626. 

  627. enable_deep_weak(){

  628.     for var; do

  629.         disabled $var && continue

  630.         pushvar var

  631.         do_enable_deep $var

  632.         popvar var

  633.         enable_weak $var

  634.     done

  635. }

  636. 

  637. enabled(){

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

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

  640. }

  641. 

  642. disabled(){

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

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

  645. }

  646. 

  647. enabled_all(){

  648.     for opt; do

  649.         enabled $opt || return 1

  650.     done

  651. }

  652. 

  653. disabled_all(){

  654.     for opt; do

  655.         disabled $opt || return 1

  656.     done

  657. }

  658. 

  659. enabled_any(){

  660.     for opt; do

  661.         enabled $opt && return 0

  662.     done

  663. }

  664. 

  665. disabled_any(){

  666.     for opt; do

  667.         disabled $opt && return 0

  668.     done

  669.     return 1

  670. }

  671. 

  672. set_default(){

  673.     for opt; do

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

  675.     done

  676. }

  677. 

  678. is_in(){

  679.     value=$1

  680.     shift

  681.     for var in $*; do

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

  683.     done

  684.     return 1

  685. }

  686. 

  687. do_check_deps(){

  688.     for cfg; do

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

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

  691.         disabled ${cfg}_checking && continue

  692.         enable ${cfg}_checking

  693.         append allopts $cfg

  694. 

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

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

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

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

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

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

  701. 

  702.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  704.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  705. 

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

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

  708.         enabled_all  $dep_all || disable $cfg

  709.         enabled_any  $dep_any || disable $cfg

  710.         disabled_any $dep_sel && disable $cfg

  711. 

  712.         if enabled $cfg; then

  713.             enable_deep $dep_sel

  714.             enable_deep_weak $dep_sgs

  715.         fi

  716. 

  717.         disable ${cfg}_checking

  718.     done

  719. }

  720. 

  721. check_deps(){

  722.     unset allopts

  723. 

  724.     do_check_deps "$@"

  725. 

  726.     for cfg in $allopts; do

  727.         enabled $cfg || continue

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

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

  730.     done

  731. }

  732. 

  733. print_config(){

  734.     pfx=$1

  735.     files=$2

  736.     shift 2

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

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

  739.         {

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

  741.             v = \$2;

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

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

  744.             for (f in files) {

  745.                 file = files[f];

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

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

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

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

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

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

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

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

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

  755.                     yesno = \$2;

  756.                     c2 = tolower(c);

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

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

  759.                 }

  760.             }

  761.         }"

  762. }

  763. 

  764. print_enabled(){

  765.     suf=$1

  766.     shift

  767.     for v; do

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

  769.     done

  770. }

  771. 

  772. append(){

  773.     var=$1

  774.     shift

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

  776. }

  777. 

  778. prepend(){

  779.     var=$1

  780.     shift

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

  782. }

  783. 

  784. unique(){

  785.     var=$1

  786.     uniq_list=""

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

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

  789.     done

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

  791. }

  792. 

  793. add_cppflags(){

  794.     append CPPFLAGS "$@"

  795. }

  796. 

  797. add_cflags(){

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

  799. }

  800. 

  801. add_cxxflags(){

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

  803. }

  804. 

  805. add_asflags(){

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

  807. }

  808. 

  809. add_objcflags(){

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

  811. }

  812. 

  813. add_ldflags(){

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

  815. }

  816. 

  817. add_ldexeflags(){

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

  819. }

  820. 

  821. add_ldlibflags(){

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

  823. }

  824. 

  825. add_stripflags(){

  826.     append ASMSTRIPFLAGS "$@"

  827. }

  828. 

  829. add_extralibs(){

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

  831. }

  832. 

  833. add_host_cppflags(){

  834.     append host_cppflags "$@"

  835. }

  836. 

  837. add_host_cflags(){

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

  839. }

  840. 

  841. add_host_ldflags(){

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

  843. }

  844. 

  845. add_compat(){

  846.     append compat_objs $1

  847.     shift

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

  849. }

  850. 

  851. check_cmd(){

  852.     log "$@"

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

  854. }

  855. 

  856. check_stat(){

  857.     log check_stat "$@"

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

  859. }

  860. 

  861. cc_o(){

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

  863. }

  864. 

  865. cc_e(){

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

  867. }

  868. 

  869. check_cc(){

  870.     log check_cc "$@"

  871.     cat > $TMPC

  872.     log_file $TMPC

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

  874. }

  875. 

  876. check_cxx(){

  877.     log check_cxx "$@"

  878.     cat > $TMPCPP

  879.     log_file $TMPCPP

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

  881. }

  882. 

  883. check_objcc(){

  884.     log check_objcc "$@"

  885.     cat > $TMPM

  886.     log_file $TMPM

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

  888. }

  889. 

  890. check_cpp(){

  891.     log check_cpp "$@"

  892.     cat > $TMPC

  893.     log_file $TMPC

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

  895. }

  896. 

  897. as_o(){

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

  899. }

  900. 

  901. check_as(){

  902.     log check_as "$@"

  903.     cat > $TMPS

  904.     log_file $TMPS

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

  906. }

  907. 

  908. check_inline_asm(){

  909.     log check_inline_asm "$@"

  910.     name="$1"

  911.     code="$2"

  912.     shift 2

  913.     disable $name

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

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

  916. EOF

  917. }

  918. 

  919. check_insn(){

  920.     log check_insn "$@"

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

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

  923. }

  924. 

  925. check_yasm(){

  926.     log check_yasm "$@"

  927.     echo "$1" > $TMPS

  928.     log_file $TMPS

  929.     shift 1

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

  931. }

  932. 

  933. ld_o(){

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

  935. }

  936. 

  937. check_ld(){

  938.     log check_ld "$@"

  939.     type=$1

  940.     shift 1

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

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

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

  944.     flags=$($ldflags_filter $flags)

  945.     libs=$($ldflags_filter $libs)

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

  947. }

  948. 

  949. print_include(){

  950.     hdr=$1

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

  952.         echo "#include $hdr"    ||

  953.         echo "#include <$hdr>"

  954. }

  955. 

  956. check_code(){

  957.     log check_code "$@"

  958.     check=$1

  959.     headers=$2

  960.     code=$3

  961.     shift 3

  962.     {

  963.         for hdr in $headers; do

  964.             print_include $hdr

  965.         done

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

  967.     } | check_$check "$@"

  968. }

  969. 

  970. check_cppflags(){

  971.     log check_cppflags "$@"

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

  973. int x;

  974. EOF

  975. }

  976. 

  977. test_cflags(){

  978.     log test_cflags "$@"

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

  980.     check_cc "$@" <<EOF

  981. int x;

  982. EOF

  983. }

  984. 

  985. check_cflags(){

  986.     log check_cflags "$@"

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

  988. }

  989. 

  990. check_cxxflags(){

  991.     log check_cxxflags "$@"

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

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

  994. int x;

  995. EOF

  996. }

  997. 

  998. test_objcflags(){

  999.     log test_cflags "$@"

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

  1001.     check_objcc "$@" <<EOF

  1002. int x;

  1003. EOF

  1004. }

  1005. 

  1006. check_objcflags(){

  1007.     log check_cflags "$@"

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

  1009. }

  1010. 

  1011. test_ldflags(){

  1012.     log test_ldflags "$@"

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

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

  1015. EOF

  1016. }

  1017. 

  1018. check_ldflags(){

  1019.     log check_ldflags "$@"

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

  1021. }

  1022. 

  1023. test_stripflags(){

  1024.     log test_stripflags "$@"

  1025.     # call check_cc to get a fresh TMPO

  1026.     check_cc <<EOF

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

  1028. EOF

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

  1030. }

  1031. 

  1032. check_stripflags(){

  1033.     log check_stripflags "$@"

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

  1035. }

  1036. 

  1037. check_header(){

  1038.     log check_header "$@"

  1039.     header=$1

  1040.     shift

  1041.     disable_safe $header

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

  1043. #include <$header>

  1044. int x;

  1045. EOF

  1046. }

  1047. 

  1048. check_header_objcc(){

  1049.     log check_header_objcc "$@"

  1050.     rm -f -- "$TMPO"

  1051.     header=$1

  1052.     shift

  1053.     disable_safe $header

  1054.     {

  1055.        echo "#include <$header>"

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

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

  1058. }

  1059. 

  1060. check_func(){

  1061.     log check_func "$@"

  1062.     func=$1

  1063.     shift

  1064.     disable $func

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

  1066. extern int $func();

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

  1068. EOF

  1069. }

  1070. 

  1071. check_complexfunc(){

  1072.     log check_complexfunc "$@"

  1073.     func=$1

  1074.     narg=$2

  1075.     shift 2

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

  1077.     disable $func

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

  1079. #include <complex.h>

  1080. #include <math.h>

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

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

  1083. EOF

  1084. }

  1085. 

  1086. check_mathfunc(){

  1087.     log check_mathfunc "$@"

  1088.     func=$1

  1089.     narg=$2

  1090.     shift 2

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

  1092.     disable $func

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

  1094. #include <math.h>

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

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

  1097. EOF

  1098. }

  1099. 

  1100. check_func_headers(){

  1101.     log check_func_headers "$@"

  1102.     headers=$1

  1103.     funcs=$2

  1104.     shift 2

  1105.     {

  1106.         for hdr in $headers; do

  1107.             print_include $hdr

  1108.         done

  1109.         for func in $funcs; do

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

  1111.         done

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

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

  1114. }

  1115. 

  1116. check_class_headers_cpp(){

  1117.     log check_class_headers_cpp "$@"

  1118.     headers=$1

  1119.     classes=$2

  1120.     shift 2

  1121.     {

  1122.         for hdr in $headers; do

  1123.             echo "#include <$hdr>"

  1124.         done

  1125.         echo "int main(void) { "

  1126.         i=1

  1127.         for class in $classes; do

  1128.             echo "$class obj$i;"

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

  1130.         done

  1131.         echo "return 0; }"

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

  1133. }

  1134. 

  1135. check_cpp_condition(){

  1136.     log check_cpp_condition "$@"

  1137.     header=$1

  1138.     condition=$2

  1139.     shift 2

  1140.     check_cpp "$@" <<EOF

  1141. #include <$header>

  1142. #if !($condition)

  1143. #error "unsatisfied condition: $condition"

  1144. #endif

  1145. EOF

  1146. }

  1147. 

  1148. check_lib(){

  1149.     log check_lib "$@"

  1150.     header="$1"

  1151.     func="$2"

  1152.     shift 2

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

  1154. }

  1155. 

  1156. check_lib2(){

  1157.     log check_lib2 "$@"

  1158.     headers="$1"

  1159.     funcs="$2"

  1160.     shift 2

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

  1162. }

  1163. 

  1164. check_lib_cpp(){

  1165.     log check_lib_cpp "$@"

  1166.     headers="$1"

  1167.     classes="$2"

  1168.     shift 2

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

  1170. }

  1171. 

  1172. check_pkg_config(){

  1173.     log check_pkg_config "$@"

  1174.     pkgandversion="$1"

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

  1176.     headers="$2"

  1177.     funcs="$3"

  1178.     shift 3

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

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

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

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

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

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

  1185. }

  1186. 

  1187. check_exec(){

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

  1189. }

  1190. 

  1191. check_exec_crash(){

  1192.     code=$(cat)

  1193. 

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

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

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

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

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

  1199. 

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

  1201. #include <signal.h>

  1202. static void sighandler(int sig){

  1203.     raise(SIGTERM);

  1204. }

  1205. int foo(void){

  1206.     $code

  1207. }

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

  1209. int main(void){

  1210.     signal(SIGILL, sighandler);

  1211.     signal(SIGFPE, sighandler);

  1212.     signal(SIGSEGV, sighandler);

  1213. #ifdef SIGBUS

  1214.     signal(SIGBUS, sighandler);

  1215. #endif

  1216.     return func_ptr();

  1217. }

  1218. EOF

  1219. }

  1220. 

  1221. check_type(){

  1222.     log check_type "$@"

  1223.     headers=$1

  1224.     type=$2

  1225.     shift 2

  1226.     disable_safe "$type"

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

  1228. }

  1229. 

  1230. check_struct(){

  1231.     log check_struct "$@"

  1232.     headers=$1

  1233.     struct=$2

  1234.     member=$3

  1235.     shift 3

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

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

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

  1239. }

  1240. 

  1241. check_builtin(){

  1242.     log check_builtin "$@"

  1243.     name=$1

  1244.     headers=$2

  1245.     builtin=$3

  1246.     shift 3

  1247.     disable "$name"

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

  1249. }

  1250. 

  1251. check_compile_assert(){

  1252.     log check_compile_assert "$@"

  1253.     name=$1

  1254.     headers=$2

  1255.     condition=$3

  1256.     shift 3

  1257.     disable "$name"

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

  1259. }

  1260. 

  1261. require(){

  1262.     name="$1"

  1263.     header="$2"

  1264.     func="$3"

  1265.     shift 3

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

  1267. }

  1268. 

  1269. require2(){

  1270.     name="$1"

  1271.     headers="$2"

  1272.     func="$3"

  1273.     shift 3

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

  1275. }

  1276. 

  1277. require_cpp(){

  1278.     name="$1"

  1279.     headers="$2"

  1280.     classes="$3"

  1281.     shift 3

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

  1283. }

  1284. 

  1285. use_pkg_config(){

  1286.     pkg="$1"

  1287.     check_pkg_config "$@" || return 1

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

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

  1290. }

  1291. 

  1292. require_pkg_config(){

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

  1294. }

  1295. 

  1296. require_libfreetype(){

  1297.     log require_libfreetype "$@"

  1298.     pkg="freetype2"

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

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

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

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

  1303.     {

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

  1305.         echo "#include FT_FREETYPE_H"

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

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

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

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

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

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

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

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

  1314. }

  1315. 

  1316. hostcc_e(){

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

  1318. }

  1319. 

  1320. hostcc_o(){

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

  1322. }

  1323. 

  1324. check_host_cc(){

  1325.     log check_host_cc "$@"

  1326.     cat > $TMPC

  1327.     log_file $TMPC

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

  1329. }

  1330. 

  1331. check_host_cpp(){

  1332.     log check_host_cpp "$@"

  1333.     cat > $TMPC

  1334.     log_file $TMPC

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

  1336. }

  1337. 

  1338. check_host_cppflags(){

  1339.     log check_host_cppflags "$@"

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

  1341. int x;

  1342. EOF

  1343. }

  1344. 

  1345. check_host_cflags(){

  1346.     log check_host_cflags "$@"

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

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

  1349. int x;

  1350. EOF

  1351. }

  1352. 

  1353. check_host_cpp_condition(){

  1354.     log check_host_cpp_condition "$@"

  1355.     header=$1

  1356.     condition=$2

  1357.     shift 2

  1358.     check_host_cpp "$@" <<EOF

  1359. #include <$header>

  1360. #if !($condition)

  1361. #error "unsatisfied condition: $condition"

  1362. #endif

  1363. EOF

  1364. }

  1365. 

  1366. cp_if_changed(){

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

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

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

  1370. }

  1371. 

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

  1373. # system-dependent things.

  1374. 

  1375. AVCODEC_COMPONENTS="

  1376.     bsfs

  1377.     decoders

  1378.     encoders

  1379.     hwaccels

  1380.     parsers

  1381. "

  1382. 

  1383. AVDEVICE_COMPONENTS="

  1384.     indevs

  1385.     outdevs

  1386. "

  1387. AVFILTER_COMPONENTS="

  1388.     filters

  1389. "

  1390. AVFORMAT_COMPONENTS="

  1391.     demuxers

  1392.     muxers

  1393.     protocols

  1394. "

  1395. 

  1396. AVRESAMPLE_COMPONENTS=""

  1397. AVUTIL_COMPONENTS=""

  1398. 

  1399. COMPONENT_LIST="

  1400.     $AVCODEC_COMPONENTS

  1401.     $AVDEVICE_COMPONENTS

  1402.     $AVFILTER_COMPONENTS

  1403.     $AVFORMAT_COMPONENTS

  1404.     $AVRESAMPLE_COMPONENTS

  1405.     $AVUTIL_COMPONENTS

  1406. "

  1407. 

  1408. EXAMPLE_LIST="

  1409.     avio_reading_example

  1410.     avio_dir_cmd_example

  1411.     decoding_encoding_example

  1412.     demuxing_decoding_example

  1413.     extract_mvs_example

  1414.     filter_audio_example

  1415.     filtering_audio_example

  1416.     filtering_video_example

  1417.     metadata_example

  1418.     muxing_example

  1419.     qsvdec_example

  1420.     remuxing_example

  1421.     resampling_audio_example

  1422.     scaling_video_example

  1423.     transcode_aac_example

  1424.     transcoding_example

  1425. "

  1426. 

  1427. EXTERNAL_LIBRARY_LIST="

  1428.     avisynth

  1429.     bzlib

  1430.     chromaprint

  1431.     crystalhd

  1432.     decklink

  1433.     frei0r

  1434.     gcrypt

  1435.     gmp

  1436.     gnutls

  1437.     iconv

  1438.     ladspa

  1439.     libaacplus

  1440.     libass

  1441.     libbluray

  1442.     libbs2b

  1443.     libcaca

  1444.     libcdio

  1445.     libcelt

  1446.     libdc1394

  1447.     libdcadec

  1448.     libfaac

  1449.     libfdk_aac

  1450.     libflite

  1451.     libfontconfig

  1452.     libfreetype

  1453.     libfribidi

  1454.     libgme

  1455.     libgsm

  1456.     libiec61883

  1457.     libilbc

  1458.     libkvazaar

  1459.     libmfx

  1460.     libmodplug

  1461.     libmp3lame

  1462.     libnut

  1463.     libopencore_amrnb

  1464.     libopencore_amrwb

  1465.     libopencv

  1466.     libopenh264

  1467.     libopenjpeg

  1468.     libopus

  1469.     libpulse

  1470.     libquvi

  1471.     librtmp

  1472.     librubberband

  1473.     libschroedinger

  1474.     libshine

  1475.     libsmbclient

  1476.     libsnappy

  1477.     libsoxr

  1478.     libspeex

  1479.     libssh

  1480.     libtesseract

  1481.     libtheora

  1482.     libtwolame

  1483.     libutvideo

  1484.     libv4l2

  1485.     libvidstab

  1486.     libvo_aacenc

  1487.     libvo_amrwbenc

  1488.     libvorbis

  1489.     libvpx

  1490.     libwavpack

  1491.     libwebp

  1492.     libx264

  1493.     libx265

  1494.     libxavs

  1495.     libxcb

  1496.     libxcb_shm

  1497.     libxcb_shape

  1498.     libxcb_xfixes

  1499.     libxvid

  1500.     libzimg

  1501.     libzmq

  1502.     libzvbi

  1503.     lzma

  1504.     mmal

  1505.     netcdf

  1506.     nvenc

  1507.     openal

  1508.     opencl

  1509.     opengl

  1510.     openssl

  1511.     schannel

  1512.     sdl

  1513.     securetransport

  1514.     x11grab

  1515.     xlib

  1516.     zlib

  1517. "

  1518. 

  1519. DOCUMENT_LIST="

  1520.     doc

  1521.     htmlpages

  1522.     manpages

  1523.     podpages

  1524.     txtpages

  1525. "

  1526. 

  1527. FEATURE_LIST="

  1528.     ftrapv

  1529.     gray

  1530.     hardcoded_tables

  1531.     runtime_cpudetect

  1532.     safe_bitstream_reader

  1533.     shared

  1534.     small

  1535.     static

  1536.     swscale_alpha

  1537. "

  1538. 

  1539. HWACCEL_LIST="

  1540.     d3d11va

  1541.     dxva2

  1542.     vaapi

  1543.     vda

  1544.     vdpau

  1545.     videotoolbox

  1546.     xvmc

  1547. "

  1548. 

  1549. LIBRARY_LIST="

  1550.     avcodec

  1551.     avdevice

  1552.     avfilter

  1553.     avformat

  1554.     avresample

  1555.     avutil

  1556.     postproc

  1557.     swresample

  1558.     swscale

  1559. "

  1560. 

  1561. LICENSE_LIST="

  1562.     gpl

  1563.     nonfree

  1564.     version3

  1565. "

  1566. 

  1567. PROGRAM_LIST="

  1568.     ffplay

  1569.     ffprobe

  1570.     ffserver

  1571.     ffmpeg

  1572. "

  1573. 

  1574. SUBSYSTEM_LIST="

  1575.     dct

  1576.     dwt

  1577.     error_resilience

  1578.     faan

  1579.     fast_unaligned

  1580.     fft

  1581.     lsp

  1582.     lzo

  1583.     mdct

  1584.     pixelutils

  1585.     network

  1586.     rdft

  1587. "

  1588. 

  1589. CONFIG_LIST="

  1590.     $COMPONENT_LIST

  1591.     $DOCUMENT_LIST

  1592.     $EXAMPLE_LIST

  1593.     $EXTERNAL_LIBRARY_LIST

  1594.     $FEATURE_LIST

  1595.     $HWACCEL_LIST

  1596.     $LICENSE_LIST

  1597.     $LIBRARY_LIST

  1598.     $PROGRAM_LIST

  1599.     $SUBSYSTEM_LIST

  1600.     fontconfig

  1601.     incompatible_libav_abi

  1602.     memalign_hack

  1603.     memory_poisoning

  1604.     neon_clobber_test

  1605.     pic

  1606.     pod2man

  1607.     raise_major

  1608.     thumb

  1609.     valgrind_backtrace

  1610.     xmm_clobber_test

  1611. "

  1612. 

  1613. THREADS_LIST="

  1614.     pthreads

  1615.     os2threads

  1616.     w32threads

  1617. "

  1618. 

  1619. ATOMICS_LIST="

  1620.     atomics_gcc

  1621.     atomics_suncc

  1622.     atomics_win32

  1623. "

  1624. 

  1625. ARCH_LIST="

  1626.     aarch64

  1627.     alpha

  1628.     arm

  1629.     avr32

  1630.     avr32_ap

  1631.     avr32_uc

  1632.     bfin

  1633.     ia64

  1634.     m68k

  1635.     mips

  1636.     mips64

  1637.     parisc

  1638.     ppc

  1639.     ppc64

  1640.     s390

  1641.     sh4

  1642.     sparc

  1643.     sparc64

  1644.     tilegx

  1645.     tilepro

  1646.     tomi

  1647.     x86

  1648.     x86_32

  1649.     x86_64

  1650. "

  1651. 

  1652. ARCH_EXT_LIST_ARM="

  1653.     armv5te

  1654.     armv6

  1655.     armv6t2

  1656.     armv8

  1657.     neon

  1658.     vfp

  1659.     vfpv3

  1660.     setend

  1661. "

  1662. 

  1663. ARCH_EXT_LIST_MIPS="

  1664.     mipsfpu

  1665.     mips32r2

  1666.     mips64r2

  1667.     mips32r6

  1668.     mips64r6

  1669.     mipsdsp

  1670.     mipsdspr2

  1671.     msa

  1672. "

  1673. 

  1674. ARCH_EXT_LIST_LOONGSON="

  1675.     loongson2

  1676.     loongson3

  1677.     mmi

  1678. "

  1679. 

  1680. ARCH_EXT_LIST_X86_SIMD="

  1681.     aesni

  1682.     amd3dnow

  1683.     amd3dnowext

  1684.     avx

  1685.     avx2

  1686.     fma3

  1687.     fma4

  1688.     mmx

  1689.     mmxext

  1690.     sse

  1691.     sse2

  1692.     sse3

  1693.     sse4

  1694.     sse42

  1695.     ssse3

  1696.     xop

  1697. "

  1698. 

  1699. ARCH_EXT_LIST_PPC="

  1700.     altivec

  1701.     dcbzl

  1702.     ldbrx

  1703.     power8

  1704.     ppc4xx

  1705.     vsx

  1706. "

  1707. 

  1708. ARCH_EXT_LIST_X86="

  1709.     $ARCH_EXT_LIST_X86_SIMD

  1710.     cpunop

  1711.     i686

  1712. "

  1713. 

  1714. ARCH_EXT_LIST="

  1715.     $ARCH_EXT_LIST_ARM

  1716.     $ARCH_EXT_LIST_PPC

  1717.     $ARCH_EXT_LIST_X86

  1718.     $ARCH_EXT_LIST_MIPS

  1719.     $ARCH_EXT_LIST_LOONGSON

  1720. "

  1721. 

  1722. ARCH_FEATURES="

  1723.     aligned_stack

  1724.     fast_64bit

  1725.     fast_clz

  1726.     fast_cmov

  1727.     local_aligned_8

  1728.     local_aligned_16

  1729.     local_aligned_32

  1730.     simd_align_16

  1731. "

  1732. 

  1733. BUILTIN_LIST="

  1734.     atomic_cas_ptr

  1735.     atomic_compare_exchange

  1736.     machine_rw_barrier

  1737.     MemoryBarrier

  1738.     mm_empty

  1739.     rdtsc

  1740.     sarestart

  1741.     sync_val_compare_and_swap

  1742. "

  1743. HAVE_LIST_CMDLINE="

  1744.     inline_asm

  1745.     symver

  1746.     yasm

  1747. "

  1748. 

  1749. HAVE_LIST_PUB="

  1750.     bigendian

  1751.     fast_unaligned

  1752.     incompatible_libav_abi

  1753. "

  1754. 

  1755. HEADERS_LIST="

  1756.     alsa_asoundlib_h

  1757.     altivec_h

  1758.     arpa_inet_h

  1759.     asm_types_h

  1760.     cdio_paranoia_h

  1761.     cdio_paranoia_paranoia_h

  1762.     dev_bktr_ioctl_bt848_h

  1763.     dev_bktr_ioctl_meteor_h

  1764.     dev_ic_bt8xx_h

  1765.     dev_video_bktr_ioctl_bt848_h

  1766.     dev_video_meteor_ioctl_meteor_h

  1767.     direct_h

  1768.     dirent_h

  1769.     dlfcn_h

  1770.     d3d11_h

  1771.     dxva_h

  1772.     ES2_gl_h

  1773.     gsm_h

  1774.     io_h

  1775.     mach_mach_time_h

  1776.     machine_ioctl_bt848_h

  1777.     machine_ioctl_meteor_h

  1778.     malloc_h

  1779.     openjpeg_2_1_openjpeg_h

  1780.     openjpeg_2_0_openjpeg_h

  1781.     openjpeg_1_5_openjpeg_h

  1782.     OpenGL_gl3_h

  1783.     poll_h

  1784.     sndio_h

  1785.     soundcard_h

  1786.     sys_mman_h

  1787.     sys_param_h

  1788.     sys_resource_h

  1789.     sys_select_h

  1790.     sys_soundcard_h

  1791.     sys_time_h

  1792.     sys_un_h

  1793.     sys_videoio_h

  1794.     termios_h

  1795.     udplite_h

  1796.     unistd_h

  1797.     valgrind_valgrind_h

  1798.     windows_h

  1799.     winsock2_h

  1800. "

  1801. 

  1802. INTRINSICS_LIST="

  1803.     intrinsics_neon

  1804. "

  1805. 

  1806. COMPLEX_FUNCS="

  1807.     cabs

  1808.     cexp

  1809. "

  1810. 

  1811. MATH_FUNCS="

  1812.     atanf

  1813.     atan2f

  1814.     cbrt

  1815.     cbrtf

  1816.     copysign

  1817.     cosf

  1818.     erf

  1819.     exp2

  1820.     exp2f

  1821.     expf

  1822.     hypot

  1823.     isinf

  1824.     isnan

  1825.     ldexpf

  1826.     llrint

  1827.     llrintf

  1828.     log2

  1829.     log2f

  1830.     log10f

  1831.     lrint

  1832.     lrintf

  1833.     powf

  1834.     rint

  1835.     round

  1836.     roundf

  1837.     sinf

  1838.     trunc

  1839.     truncf

  1840. "

  1841. 

  1842. SYSTEM_FUNCS="

  1843.     access

  1844.     aligned_malloc

  1845.     arc4random

  1846.     clock_gettime

  1847.     closesocket

  1848.     CommandLineToArgvW

  1849.     CoTaskMemFree

  1850.     CryptGenRandom

  1851.     dlopen

  1852.     fcntl

  1853.     flt_lim

  1854.     fork

  1855.     getaddrinfo

  1856.     gethrtime

  1857.     getopt

  1858.     GetProcessAffinityMask

  1859.     GetProcessMemoryInfo

  1860.     GetProcessTimes

  1861.     getrusage

  1862.     GetSystemTimeAsFileTime

  1863.     gettimeofday

  1864.     glob

  1865.     glXGetProcAddress

  1866.     gmtime_r

  1867.     inet_aton

  1868.     isatty

  1869.     jack_port_get_latency_range

  1870.     kbhit

  1871.     localtime_r

  1872.     lstat

  1873.     lzo1x_999_compress

  1874.     mach_absolute_time

  1875.     MapViewOfFile

  1876.     memalign

  1877.     mkstemp

  1878.     mmap

  1879.     mprotect

  1880.     nanosleep

  1881.     PeekNamedPipe

  1882.     posix_memalign

  1883.     pthread_cancel

  1884.     sched_getaffinity

  1885.     SetConsoleTextAttribute

  1886.     SetConsoleCtrlHandler

  1887.     setmode

  1888.     setrlimit

  1889.     Sleep

  1890.     strerror_r

  1891.     sysconf

  1892.     sysctl

  1893.     usleep

  1894.     UTGetOSTypeFromString

  1895.     VirtualAlloc

  1896.     wglGetProcAddress

  1897. "

  1898. 

  1899. TOOLCHAIN_FEATURES="

  1900.     as_dn_directive

  1901.     as_func

  1902.     as_object_arch

  1903.     asm_mod_q

  1904.     attribute_may_alias

  1905.     attribute_packed

  1906.     ebp_available

  1907.     ebx_available

  1908.     gnu_as

  1909.     gnu_windres

  1910.     ibm_asm

  1911.     inline_asm_labels

  1912.     inline_asm_nonlocal_labels

  1913.     inline_asm_direct_symbol_refs

  1914.     pragma_deprecated

  1915.     rsync_contimeout

  1916.     symver_asm_label

  1917.     symver_gnu_asm

  1918.     vfp_args

  1919.     xform_asm

  1920.     xmm_clobbers

  1921. "

  1922. 

  1923. TYPES_LIST="

  1924.     CONDITION_VARIABLE_Ptr

  1925.     socklen_t

  1926.     struct_addrinfo

  1927.     struct_group_source_req

  1928.     struct_ip_mreq_source

  1929.     struct_ipv6_mreq

  1930.     struct_pollfd

  1931.     struct_rusage_ru_maxrss

  1932.     struct_sctp_event_subscribe

  1933.     struct_sockaddr_in6

  1934.     struct_sockaddr_sa_len

  1935.     struct_sockaddr_storage

  1936.     struct_stat_st_mtim_tv_nsec

  1937.     struct_v4l2_frmivalenum_discrete

  1938. "

  1939. 

  1940. HAVE_LIST="

  1941.     $ARCH_EXT_LIST

  1942.     $(add_suffix _external $ARCH_EXT_LIST)

  1943.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1944.     $ARCH_FEATURES

  1945.     $ATOMICS_LIST

  1946.     $BUILTIN_LIST

  1947.     $COMPLEX_FUNCS

  1948.     $HAVE_LIST_CMDLINE

  1949.     $HAVE_LIST_PUB

  1950.     $HEADERS_LIST

  1951.     $INTRINSICS_LIST

  1952.     $MATH_FUNCS

  1953.     $SYSTEM_FUNCS

  1954.     $THREADS_LIST

  1955.     $TOOLCHAIN_FEATURES

  1956.     $TYPES_LIST

  1957.     atomics_native

  1958.     dos_paths

  1959.     dxva2api_cobj

  1960.     dxva2_lib

  1961.     winrt

  1962.     libc_msvcrt

  1963.     libdc1394_1

  1964.     libdc1394_2

  1965.     makeinfo

  1966.     makeinfo_html

  1967.     perl

  1968.     pod2man

  1969.     sdl

  1970.     section_data_rel_ro

  1971.     texi2html

  1972.     threads

  1973.     vaapi_x11

  1974.     vdpau_x11

  1975.     xlib

  1976. "

  1977. 

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

  1979. CONFIG_EXTRA="

  1980.     aandcttables

  1981.     ac3dsp

  1982.     audio_frame_queue

  1983.     audiodsp

  1984.     blockdsp

  1985.     bswapdsp

  1986.     cabac

  1987.     dirac_parse

  1988.     dvprofile

  1989.     exif

  1990.     faandct

  1991.     faanidct

  1992.     fdctdsp

  1993.     flacdsp

  1994.     fmtconvert

  1995.     frame_thread_encoder

  1996.     g722dsp

  1997.     golomb

  1998.     gplv3

  1999.     h263dsp

  2000.     h264chroma

  2001.     h264dsp

  2002.     h264pred

  2003.     h264qpel

  2004.     hpeldsp

  2005.     huffman

  2006.     huffyuvdsp

  2007.     huffyuvencdsp

  2008.     idctdsp

  2009.     iirfilter

  2010.     imdct15

  2011.     intrax8

  2012.     ividsp

  2013.     jpegtables

  2014.     libx262

  2015.     lgplv3

  2016.     llauddsp

  2017.     llviddsp

  2018.     lpc

  2019.     lzf

  2020.     me_cmp

  2021.     mpeg_er

  2022.     mpegaudio

  2023.     mpegaudiodsp

  2024.     mpegvideo

  2025.     mpegvideoenc

  2026.     mss34dsp

  2027.     pixblockdsp

  2028.     qpeldsp

  2029.     qsv

  2030.     qsvdec

  2031.     qsvenc

  2032.     rangecoder

  2033.     riffdec

  2034.     riffenc

  2035.     rtpdec

  2036.     rtpenc_chain

  2037.     rv34dsp

  2038.     sinewin

  2039.     snappy

  2040.     startcode

  2041.     texturedsp

  2042.     texturedspenc

  2043.     tpeldsp

  2044.     videodsp

  2045.     vp3dsp

  2046.     vp56dsp

  2047.     vp8dsp

  2048.     wma_freqs

  2049.     wmv2dsp

  2050. "

  2051. 

  2052. CMDLINE_SELECT="

  2053.     $ARCH_EXT_LIST

  2054.     $CONFIG_LIST

  2055.     $HAVE_LIST_CMDLINE

  2056.     $THREADS_LIST

  2057.     asm

  2058.     cross_compile

  2059.     debug

  2060.     extra_warnings

  2061.     logging

  2062.     lto

  2063.     optimizations

  2064.     rpath

  2065.     stripping

  2066. "

  2067. 

  2068. PATHS_LIST="

  2069.     bindir

  2070.     datadir

  2071.     docdir

  2072.     incdir

  2073.     libdir

  2074.     mandir

  2075.     pkgconfigdir

  2076.     prefix

  2077.     shlibdir

  2078. "

  2079. 

  2080. CMDLINE_SET="

  2081.     $PATHS_LIST

  2082.     ar

  2083.     arch

  2084.     as

  2085.     assert_level

  2086.     build_suffix

  2087.     cc

  2088.     objcc

  2089.     cpu

  2090.     cross_prefix

  2091.     custom_allocator

  2092.     cxx

  2093.     dep_cc

  2094.     doxygen

  2095.     env

  2096.     extra_version

  2097.     gas

  2098.     host_cc

  2099.     host_cflags

  2100.     host_ld

  2101.     host_ldflags

  2102.     host_libs

  2103.     host_os

  2104.     install

  2105.     ld

  2106.     logfile

  2107.     malloc_prefix

  2108.     nm

  2109.     optflags

  2110.     pkg_config

  2111.     pkg_config_flags

  2112.     progs_suffix

  2113.     random_seed

  2114.     ranlib

  2115.     samples

  2116.     strip

  2117.     sws_max_filter_size

  2118.     sysinclude

  2119.     sysroot

  2120.     target_exec

  2121.     target_os

  2122.     target_path

  2123.     target_samples

  2124.     tempprefix

  2125.     toolchain

  2126.     valgrind

  2127.     yasmexe

  2128. "

  2129. 

  2130. CMDLINE_APPEND="

  2131.     extra_cflags

  2132.     extra_cxxflags

  2133.     extra_objcflags

  2134.     host_cppflags

  2135. "

  2136. 

  2137. # code dependency declarations

  2138. 

  2139. # architecture extensions

  2140. 

  2141. armv5te_deps="arm"

  2142. armv6_deps="arm"

  2143. armv6t2_deps="arm"

  2144. armv8_deps="aarch64"

  2145. neon_deps_any="aarch64 arm"

  2146. intrinsics_neon_deps="neon"

  2147. vfp_deps_any="aarch64 arm"

  2148. vfpv3_deps="vfp"

  2149. setend_deps="arm"

  2150. 

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

  2152. 

  2153. mipsfpu_deps="mips"

  2154. mipsdsp_deps="mips"

  2155. mipsdspr2_deps="mips"

  2156. mips32r2_deps="mips"

  2157. mips32r6_deps="mips"

  2158. mips64r2_deps="mips"

  2159. mips64r6_deps="mips"

  2160. msa_deps="mips"

  2161. mmi_deps="mips"

  2162. 

  2163. altivec_deps="ppc"

  2164. dcbzl_deps="ppc"

  2165. ldbrx_deps="ppc"

  2166. ppc4xx_deps="ppc"

  2167. vsx_deps="altivec"

  2168. power8_deps="vsx"

  2169. 

  2170. cpunop_deps="i686"

  2171. x86_64_select="i686"

  2172. x86_64_suggest="fast_cmov"

  2173. 

  2174. amd3dnow_deps="mmx"

  2175. amd3dnowext_deps="amd3dnow"

  2176. i686_deps="x86"

  2177. mmx_deps="x86"

  2178. mmxext_deps="mmx"

  2179. sse_deps="mmxext"

  2180. sse2_deps="sse"

  2181. sse3_deps="sse2"

  2182. ssse3_deps="sse3"

  2183. sse4_deps="ssse3"

  2184. sse42_deps="sse4"

  2185. aesni_deps="sse42"

  2186. avx_deps="sse42"

  2187. xop_deps="avx"

  2188. fma3_deps="avx"

  2189. fma4_deps="avx"

  2190. avx2_deps="avx"

  2191. 

  2192. mmx_external_deps="yasm"

  2193. mmx_inline_deps="inline_asm"

  2194. mmx_suggest="mmx_external mmx_inline"

  2195. 

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

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

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

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

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

  2201. done

  2202. 

  2203. aligned_stack_if_any="aarch64 ppc x86"

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

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

  2206. fast_unaligned_if_any="aarch64 ppc x86"

  2207. simd_align_16_if_any="altivec neon sse"

  2208. 

  2209. # system capabilities

  2210. symver_if_any="symver_asm_label symver_gnu_asm"

  2211. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2212. 

  2213. # threading support

  2214. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2215. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2216. atomics_win32_if="MemoryBarrier"

  2217. atomics_native_if_any="$ATOMICS_LIST"

  2218. w32threads_deps="atomics_native"

  2219. threads_if_any="$THREADS_LIST"

  2220. 

  2221. # subsystems

  2222. dct_select="rdft"

  2223. dirac_parse_select="golomb"

  2224. error_resilience_select="me_cmp"

  2225. faandct_deps="faan fdctdsp"

  2226. faanidct_deps="faan idctdsp"

  2227. frame_thread_encoder_deps="encoders threads"

  2228. intrax8_select="error_resilience"

  2229. mdct_select="fft"

  2230. rdft_select="fft"

  2231. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2232. mpeg_er_select="error_resilience"

  2233. mpegaudio_select="mpegaudiodsp"

  2234. mpegaudiodsp_select="dct"

  2235. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2236. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2237. qsvdec_select="qsv"

  2238. qsvenc_select="qsv"

  2239. 

  2240. # decoders / encoders

  2241. aac_decoder_select="imdct15 mdct sinewin"

  2242. aac_fixed_decoder_select="mdct sinewin"

  2243. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2244. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2245. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2246. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2247. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2248. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2249. adpcm_g722_decoder_select="g722dsp"

  2250. adpcm_g722_encoder_select="g722dsp"

  2251. aic_decoder_select="golomb idctdsp"

  2252. alac_encoder_select="lpc"

  2253. als_decoder_select="bswapdsp"

  2254. amrnb_decoder_select="lsp"

  2255. amrwb_decoder_select="lsp"

  2256. amv_decoder_select="sp5x_decoder exif"

  2257. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2258. ape_decoder_select="bswapdsp llauddsp"

  2259. apng_decoder_select="zlib"

  2260. apng_encoder_select="huffyuvencdsp zlib"

  2261. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2262. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2263. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2264. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2265. atrac1_decoder_select="mdct sinewin"

  2266. atrac3_decoder_select="mdct"

  2267. atrac3p_decoder_select="mdct sinewin"

  2268. avrn_decoder_select="exif jpegtables"

  2269. bink_decoder_select="blockdsp hpeldsp"

  2270. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2271. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

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

  2273. cllc_decoder_select="bswapdsp"

  2274. comfortnoise_encoder_select="lpc"

  2275. cook_decoder_select="audiodsp mdct sinewin"

  2276. cscd_decoder_select="lzo"

  2277. cscd_decoder_suggest="zlib"

  2278. dca_decoder_select="fmtconvert mdct"

  2279. dds_decoder_select="texturedsp"

  2280. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2281. dnxhd_decoder_select="blockdsp idctdsp"

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

  2283. dvvideo_decoder_select="dvprofile idctdsp"

  2284. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2285. dxa_decoder_select="zlib"

  2286. dxv_decoder_select="lzf texturedsp"

  2287. eac3_decoder_select="ac3_decoder"

  2288. eac3_encoder_select="ac3_encoder"

  2289. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2290. eatgq_decoder_select="aandcttables"

  2291. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2292. exr_decoder_select="zlib"

  2293. ffv1_decoder_select="golomb rangecoder"

  2294. ffv1_encoder_select="rangecoder"

  2295. ffvhuff_decoder_select="huffyuv_decoder"

  2296. ffvhuff_encoder_select="huffyuv_encoder"

  2297. fic_decoder_select="golomb"

  2298. flac_decoder_select="flacdsp golomb"

  2299. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2300. flashsv_decoder_select="zlib"

  2301. flashsv_encoder_select="zlib"

  2302. flashsv2_encoder_select="zlib"

  2303. flashsv2_decoder_select="zlib"

  2304. flv_decoder_select="h263_decoder"

  2305. flv_encoder_select="h263_encoder"

  2306. fourxm_decoder_select="blockdsp bswapdsp"

  2307. fraps_decoder_select="bswapdsp huffman"

  2308. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2309. g729_decoder_select="audiodsp"

  2310. h261_decoder_select="mpegvideo"

  2311. h261_encoder_select="aandcttables mpegvideoenc"

  2312. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2313. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2314. h263i_decoder_select="h263_decoder"

  2315. h263p_decoder_select="h263_decoder"

  2316. h263p_encoder_select="h263_encoder"

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

  2318. h264_decoder_suggest="error_resilience"

  2319. h264_qsv_decoder_deps="libmfx"

  2320. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2321. h264_qsv_encoder_deps="libmfx"

  2322. h264_qsv_encoder_select="qsvenc"

  2323. hap_decoder_select="snappy texturedsp"

  2324. hap_encoder_deps="libsnappy"

  2325. hap_encoder_select="texturedspenc"

  2326. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2327. hevc_qsv_encoder_deps="libmfx"

  2328. hevc_qsv_decoder_deps="libmfx"

  2329. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2330. hevc_qsv_encoder_select="qsvenc"

  2331. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2332. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2333. iac_decoder_select="imc_decoder"

  2334. imc_decoder_select="bswapdsp fft mdct sinewin"

  2335. indeo3_decoder_select="hpeldsp"

  2336. indeo4_decoder_select="ividsp"

  2337. indeo5_decoder_select="ividsp"

  2338. interplay_video_decoder_select="hpeldsp"

  2339. jpegls_decoder_select="golomb mjpeg_decoder"

  2340. jpegls_encoder_select="golomb"

  2341. jv_decoder_select="blockdsp"

  2342. lagarith_decoder_select="huffyuvdsp"

  2343. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2344. loco_decoder_select="golomb"

  2345. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2346. metasound_decoder_select="lsp mdct sinewin"

  2347. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2348. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2349. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2350. mjpegb_decoder_select="mjpeg_decoder"

  2351. mlp_decoder_select="mlp_parser"

  2352. motionpixels_decoder_select="bswapdsp"

  2353. mp1_decoder_select="mpegaudio"

  2354. mp1float_decoder_select="mpegaudio"

  2355. mp2_decoder_select="mpegaudio"

  2356. mp2float_decoder_select="mpegaudio"

  2357. mp3_decoder_select="mpegaudio"

  2358. mp3adu_decoder_select="mpegaudio"

  2359. mp3adufloat_decoder_select="mpegaudio"

  2360. mp3float_decoder_select="mpegaudio"

  2361. mp3on4_decoder_select="mpegaudio"

  2362. mp3on4float_decoder_select="mpegaudio"

  2363. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2364. mpc8_decoder_select="mpegaudiodsp"

  2365. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2366. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2367. mpegvideo_decoder_select="mpegvideo"

  2368. mpeg1video_decoder_select="mpegvideo"

  2369. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2370. mpeg2video_decoder_select="mpegvideo"

  2371. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2372. mpeg2_qsv_decoder_deps="libmfx"

  2373. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2374. mpeg2_qsv_encoder_deps="libmfx"

  2375. mpeg2_qsv_encoder_select="qsvenc"

  2376. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2377. mpeg4_encoder_select="h263_encoder"

  2378. msa1_decoder_select="mss34dsp"

  2379. msmpeg4v1_decoder_select="h263_decoder"

  2380. msmpeg4v2_decoder_select="h263_decoder"

  2381. msmpeg4v2_encoder_select="h263_encoder"

  2382. msmpeg4v3_decoder_select="h263_decoder"

  2383. msmpeg4v3_encoder_select="h263_encoder"

  2384. mss2_decoder_select="vc1_decoder"

  2385. mts2_decoder_select="mss34dsp"

  2386. mxpeg_decoder_select="mjpeg_decoder"

  2387. nellymoser_decoder_select="mdct sinewin"

  2388. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2389. nuv_decoder_select="idctdsp lzo"

  2390. on2avc_decoder_select="mdct"

  2391. opus_decoder_deps="swresample"

  2392. opus_decoder_select="imdct15"

  2393. png_decoder_select="zlib"

  2394. png_encoder_select="huffyuvencdsp zlib"

  2395. prores_decoder_select="blockdsp idctdsp"

  2396. prores_encoder_select="fdctdsp"

  2397. qcelp_decoder_select="lsp"

  2398. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2399. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2400. ra_144_decoder_select="audiodsp"

  2401. ralf_decoder_select="golomb"

  2402. rawvideo_decoder_select="bswapdsp"

  2403. rscc_decoder_select="zlib"

  2404. rtjpeg_decoder_select="me_cmp"

  2405. rv10_decoder_select="h263_decoder"

  2406. rv10_encoder_select="h263_encoder"

  2407. rv20_decoder_select="h263_decoder"

  2408. rv20_encoder_select="h263_encoder"

  2409. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2410. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2411. screenpresso_decoder_select="zlib"

  2412. shorten_decoder_select="golomb"

  2413. sipr_decoder_select="lsp"

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

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

  2416. sonic_decoder_select="golomb rangecoder"

  2417. sonic_encoder_select="golomb rangecoder"

  2418. sonic_ls_encoder_select="golomb rangecoder"

  2419. sp5x_decoder_select="mjpeg_decoder"

  2420. svq1_decoder_select="hpeldsp"

  2421. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2422. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2423. svq3_decoder_suggest="zlib"

  2424. tak_decoder_select="audiodsp"

  2425. tdsc_decoder_select="zlib mjpeg_decoder"

  2426. theora_decoder_select="vp3_decoder"

  2427. thp_decoder_select="mjpeg_decoder"

  2428. tiff_decoder_suggest="zlib lzma"

  2429. tiff_encoder_suggest="zlib"

  2430. truehd_decoder_select="mlp_parser"

  2431. truemotion2_decoder_select="bswapdsp"

  2432. truespeech_decoder_select="bswapdsp"

  2433. tscc_decoder_select="zlib"

  2434. twinvq_decoder_select="mdct lsp sinewin"

  2435. txd_decoder_select="texturedsp"

  2436. utvideo_decoder_select="bswapdsp"

  2437. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2438. vble_decoder_select="huffyuvdsp"

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

  2440. vc1image_decoder_select="vc1_decoder"

  2441. vc1_qsv_decoder_deps="libmfx"

  2442. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2443. vorbis_decoder_select="mdct"

  2444. vorbis_encoder_select="mdct"

  2445. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2446. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

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

  2448. vp6a_decoder_select="vp6_decoder"

  2449. vp6f_decoder_select="vp6_decoder"

  2450. vp7_decoder_select="h264pred videodsp vp8dsp"

  2451. vp8_decoder_select="h264pred videodsp vp8dsp"

  2452. vp9_decoder_select="videodsp vp9_parser"

  2453. webp_decoder_select="vp8_decoder"

  2454. wmalossless_decoder_select="llauddsp"

  2455. wmapro_decoder_select="mdct sinewin wma_freqs"

  2456. wmav1_decoder_select="mdct sinewin wma_freqs"

  2457. wmav1_encoder_select="mdct sinewin wma_freqs"

  2458. wmav2_decoder_select="mdct sinewin wma_freqs"

  2459. wmav2_encoder_select="mdct sinewin wma_freqs"

  2460. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2461. wmv1_decoder_select="h263_decoder"

  2462. wmv1_encoder_select="h263_encoder"

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

  2464. wmv2_encoder_select="h263_encoder wmv2dsp"

  2465. wmv3_decoder_select="vc1_decoder"

  2466. wmv3image_decoder_select="wmv3_decoder"

  2467. zerocodec_decoder_select="zlib"

  2468. zlib_decoder_select="zlib"

  2469. zlib_encoder_select="zlib"

  2470. zmbv_decoder_select="zlib"

  2471. zmbv_encoder_select="zlib"

  2472. 

  2473. # hardware accelerators

  2474. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2475. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2476. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2477. vaapi_deps="va_va_h"

  2478. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2479. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2480. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2481. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2482. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"

  2483. xvmc_deps="X11_extensions_XvMClib_h"

  2484. 

  2485. h263_vaapi_hwaccel_deps="vaapi"

  2486. h263_vaapi_hwaccel_select="h263_decoder"

  2487. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2488. h263_videotoolbox_hwaccel_select="h263_decoder"

  2489. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2490. h264_d3d11va_hwaccel_deps="d3d11va"

  2491. h264_d3d11va_hwaccel_select="h264_decoder"

  2492. h264_dxva2_hwaccel_deps="dxva2"

  2493. h264_dxva2_hwaccel_select="h264_decoder"

  2494. h264_mmal_decoder_deps="mmal"

  2495. h264_mmal_hwaccel_deps="mmal"

  2496. h264_mmal_decoder_select="h264_decoder"

  2497. h264_mmal_encoder_deps="mmal"

  2498. h264_qsv_hwaccel_deps="libmfx"

  2499. h264_vaapi_hwaccel_deps="vaapi"

  2500. h264_vaapi_hwaccel_select="h264_decoder"

  2501. h264_vda_decoder_deps="vda"

  2502. h264_vda_decoder_select="h264_decoder"

  2503. h264_vda_hwaccel_deps="vda"

  2504. h264_vda_hwaccel_select="h264_decoder"

  2505. h264_vda_old_hwaccel_deps="vda"

  2506. h264_vda_old_hwaccel_select="h264_decoder"

  2507. h264_vdpau_decoder_deps="vdpau"

  2508. h264_vdpau_decoder_select="h264_decoder"

  2509. h264_vdpau_hwaccel_deps="vdpau"

  2510. h264_vdpau_hwaccel_select="h264_decoder"

  2511. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2512. h264_videotoolbox_hwaccel_select="h264_decoder"

  2513. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2514. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2515. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2516. hevc_dxva2_hwaccel_select="hevc_decoder"

  2517. hevc_qsv_hwaccel_deps="libmfx"

  2518. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2519. hevc_vaapi_hwaccel_select="hevc_decoder"

  2520. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2521. hevc_vdpau_hwaccel_select="hevc_decoder"

  2522. mpeg_vdpau_decoder_deps="vdpau"

  2523. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2524. mpeg_xvmc_hwaccel_deps="xvmc"

  2525. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2526. mpeg1_vdpau_decoder_deps="vdpau"

  2527. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2528. mpeg1_vdpau_hwaccel_deps="vdpau"

  2529. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2530. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2531. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2532. mpeg1_xvmc_hwaccel_deps="xvmc"

  2533. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2534. mpeg2_crystalhd_decoder_select="crystalhd"

  2535. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2536. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2537. mpeg2_dxva2_hwaccel_deps="dxva2"

  2538. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2539. mpeg2_mmal_decoder_deps="mmal"

  2540. mpeg2_mmal_hwaccel_deps="mmal"

  2541. mpeg2_mmal_decoder_select="mpeg2video_decoder"

  2542. mpeg2_qsv_hwaccel_deps="libmfx"

  2543. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2544. mpeg2_vaapi_hwaccel_deps="vaapi"

  2545. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2546. mpeg2_vdpau_hwaccel_deps="vdpau"

  2547. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2548. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2549. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2550. mpeg2_xvmc_hwaccel_deps="xvmc"

  2551. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2552. mpeg4_crystalhd_decoder_select="crystalhd"

  2553. mpeg4_vaapi_hwaccel_deps="vaapi"

  2554. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2555. mpeg4_vdpau_decoder_deps="vdpau"

  2556. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2557. mpeg4_vdpau_hwaccel_deps="vdpau"

  2558. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2559. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2560. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2561. msmpeg4_crystalhd_decoder_select="crystalhd"

  2562. vc1_crystalhd_decoder_select="crystalhd"

  2563. vc1_d3d11va_hwaccel_deps="d3d11va"

  2564. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2565. vc1_dxva2_hwaccel_deps="dxva2"

  2566. vc1_dxva2_hwaccel_select="vc1_decoder"

  2567. vc1_vaapi_hwaccel_deps="vaapi"

  2568. vc1_vaapi_hwaccel_select="vc1_decoder"

  2569. vc1_vdpau_decoder_deps="vdpau"

  2570. vc1_vdpau_decoder_select="vc1_decoder"

  2571. vc1_vdpau_hwaccel_deps="vdpau"

  2572. vc1_vdpau_hwaccel_select="vc1_decoder"

  2573. vc1_mmal_decoder_deps="mmal"

  2574. vc1_mmal_hwaccel_deps="mmal"

  2575. vc1_mmal_decoder_select="vc1_decoder"

  2576. vc1_qsv_hwaccel_deps="libmfx"

  2577. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2578. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2579. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2580. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2581. vp9_dxva2_hwaccel_select="vp9_decoder"

  2582. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2583. vp9_vaapi_hwaccel_select="vp9_decoder"

  2584. wmv3_crystalhd_decoder_select="crystalhd"

  2585. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2586. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2587. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2588. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2589. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2590. 

  2591. # parsers

  2592. h264_parser_select="h264_decoder"

  2593. hevc_parser_select="golomb"

  2594. mpegvideo_parser_select="mpegvideo"

  2595. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2596. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2597. 

  2598. # bitstream_filters

  2599. mjpeg2jpeg_bsf_select="jpegtables"

  2600. 

  2601. # external libraries

  2602. chromaprint_muxer_deps="chromaprint"

  2603. libaacplus_encoder_deps="libaacplus"

  2604. libcelt_decoder_deps="libcelt"

  2605. libdcadec_decoder_deps="libdcadec"

  2606. libfaac_encoder_deps="libfaac"

  2607. libfaac_encoder_select="audio_frame_queue"

  2608. libfdk_aac_decoder_deps="libfdk_aac"

  2609. libfdk_aac_encoder_deps="libfdk_aac"

  2610. libfdk_aac_encoder_select="audio_frame_queue"

  2611. libgme_demuxer_deps="libgme"

  2612. libgsm_decoder_deps="libgsm"

  2613. libgsm_encoder_deps="libgsm"

  2614. libgsm_ms_decoder_deps="libgsm"

  2615. libgsm_ms_encoder_deps="libgsm"

  2616. libilbc_decoder_deps="libilbc"

  2617. libilbc_encoder_deps="libilbc"

  2618. libkvazaar_encoder_deps="libkvazaar"

  2619. libmodplug_demuxer_deps="libmodplug"

  2620. libmp3lame_encoder_deps="libmp3lame"

  2621. libmp3lame_encoder_select="audio_frame_queue"

  2622. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2623. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2624. libopencore_amrnb_encoder_select="audio_frame_queue"

  2625. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2626. libopenh264_encoder_deps="libopenh264"

  2627. libopenjpeg_decoder_deps="libopenjpeg"

  2628. libopenjpeg_encoder_deps="libopenjpeg"

  2629. libopus_decoder_deps="libopus"

  2630. libopus_encoder_deps="libopus"

  2631. libopus_encoder_select="audio_frame_queue"

  2632. libquvi_demuxer_deps="libquvi"

  2633. libschroedinger_decoder_deps="libschroedinger"

  2634. libschroedinger_encoder_deps="libschroedinger"

  2635. libshine_encoder_deps="libshine"

  2636. libshine_encoder_select="audio_frame_queue"

  2637. libspeex_decoder_deps="libspeex"

  2638. libspeex_encoder_deps="libspeex"

  2639. libspeex_encoder_select="audio_frame_queue"

  2640. libtheora_encoder_deps="libtheora"

  2641. libtwolame_encoder_deps="libtwolame"

  2642. libvo_aacenc_encoder_deps="libvo_aacenc"

  2643. libvo_aacenc_encoder_select="audio_frame_queue"

  2644. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2645. libvorbis_decoder_deps="libvorbis"

  2646. libvorbis_encoder_deps="libvorbis"

  2647. libvorbis_encoder_select="audio_frame_queue"

  2648. libvpx_vp8_decoder_deps="libvpx"

  2649. libvpx_vp8_encoder_deps="libvpx"

  2650. libvpx_vp9_decoder_deps="libvpx"

  2651. libvpx_vp9_encoder_deps="libvpx"

  2652. libwavpack_encoder_deps="libwavpack"

  2653. libwebp_encoder_deps="libwebp"

  2654. libwebp_anim_encoder_deps="libwebp"

  2655. libx262_encoder_deps="libx262"

  2656. libx264_encoder_deps="libx264"

  2657. libx264rgb_encoder_deps="libx264"

  2658. libx264rgb_encoder_select="libx264_encoder"

  2659. libx265_encoder_deps="libx265"

  2660. libxavs_encoder_deps="libxavs"

  2661. libxvid_encoder_deps="libxvid"

  2662. libutvideo_decoder_deps="libutvideo"

  2663. libutvideo_encoder_deps="libutvideo"

  2664. libzvbi_teletext_decoder_deps="libzvbi"

  2665. nvenc_encoder_deps="nvenc"

  2666. nvenc_h264_encoder_deps="nvenc"

  2667. nvenc_hevc_encoder_deps="nvenc"

  2668. 

  2669. # demuxers / muxers

  2670. ac3_demuxer_select="ac3_parser"

  2671. asf_demuxer_select="riffdec"

  2672. asf_o_demuxer_select="riffdec"

  2673. asf_muxer_select="riffenc"

  2674. asf_stream_muxer_select="asf_muxer"

  2675. avi_demuxer_select="riffdec exif"

  2676. avi_muxer_select="riffenc"

  2677. avisynth_demuxer_deps="avisynth"

  2678. avisynth_demuxer_select="riffdec"

  2679. caf_demuxer_select="riffdec"

  2680. dash_muxer_select="mp4_muxer"

  2681. dirac_demuxer_select="dirac_parser"

  2682. dts_demuxer_select="dca_parser"

  2683. dtshd_demuxer_select="dca_parser"

  2684. dv_demuxer_select="dvprofile"

  2685. dv_muxer_select="dvprofile"

  2686. dxa_demuxer_select="riffdec"

  2687. eac3_demuxer_select="ac3_parser"

  2688. f4v_muxer_select="mov_muxer"

  2689. flac_demuxer_select="flac_parser"

  2690. hds_muxer_select="flv_muxer"

  2691. hls_muxer_select="mpegts_muxer"

  2692. image2_alias_pix_demuxer_select="image2_demuxer"

  2693. image2_brender_pix_demuxer_select="image2_demuxer"

  2694. ipod_muxer_select="mov_muxer"

  2695. ismv_muxer_select="mov_muxer"

  2696. libnut_demuxer_deps="libnut"

  2697. libnut_muxer_deps="libnut"

  2698. matroska_audio_muxer_select="matroska_muxer"

  2699. matroska_demuxer_select="riffdec"

  2700. matroska_demuxer_suggest="bzlib lzo zlib"

  2701. matroska_muxer_select="riffenc"

  2702. mmf_muxer_select="riffenc"

  2703. mov_demuxer_select="riffdec"

  2704. mov_demuxer_suggest="zlib"

  2705. mov_muxer_select="riffenc rtpenc_chain"

  2706. mp3_demuxer_select="mpegaudio_parser"

  2707. mp4_muxer_select="mov_muxer"

  2708. mpegts_muxer_select="adts_muxer latm_muxer"

  2709. mpegtsraw_demuxer_select="mpegts_demuxer"

  2710. mxf_d10_muxer_select="mxf_muxer"

  2711. mxf_opatom_muxer_select="mxf_muxer"

  2712. nut_muxer_select="riffenc"

  2713. nuv_demuxer_select="riffdec"

  2714. oga_muxer_select="ogg_muxer"

  2715. ogg_demuxer_select="dirac_parse"

  2716. opus_muxer_select="ogg_muxer"

  2717. psp_muxer_select="mov_muxer"

  2718. rtp_demuxer_select="sdp_demuxer"

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

  2720. rtsp_demuxer_select="http_protocol rtpdec"

  2721. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2722. sap_demuxer_select="sdp_demuxer"

  2723. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2724. sdp_demuxer_select="rtpdec"

  2725. smoothstreaming_muxer_select="ismv_muxer"

  2726. spdif_muxer_select="aac_parser"

  2727. spx_muxer_select="ogg_muxer"

  2728. tak_demuxer_select="tak_parser"

  2729. tg2_muxer_select="mov_muxer"

  2730. tgp_muxer_select="mov_muxer"

  2731. vobsub_demuxer_select="mpegps_demuxer"

  2732. w64_demuxer_select="wav_demuxer"

  2733. w64_muxer_select="wav_muxer"

  2734. wav_demuxer_select="riffdec"

  2735. wav_muxer_select="riffenc"

  2736. webm_muxer_select="riffenc"

  2737. wtv_demuxer_select="riffdec"

  2738. wtv_muxer_select="riffenc"

  2739. xmv_demuxer_select="riffdec"

  2740. xwma_demuxer_select="riffdec"

  2741. 

  2742. # indevs / outdevs

  2743. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2744. alsa_outdev_deps="alsa_asoundlib_h"

  2745. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2746. avfoundation_indev_select="avfoundation"

  2747. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2748. caca_outdev_deps="libcaca"

  2749. decklink_outdev_deps="decklink pthreads"

  2750. decklink_outdev_extralibs="-lstdc++"

  2751. decklink_indev_deps="decklink pthreads"

  2752. decklink_indev_extralibs="-lstdc++"

  2753. dshow_indev_deps="IBaseFilter"

  2754. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2755. dv1394_indev_deps="dv1394"

  2756. dv1394_indev_select="dv_demuxer"

  2757. fbdev_indev_deps="linux_fb_h"

  2758. fbdev_outdev_deps="linux_fb_h"

  2759. gdigrab_indev_deps="CreateDIBSection"

  2760. gdigrab_indev_extralibs="-lgdi32"

  2761. gdigrab_indev_select="bmp_decoder"

  2762. iec61883_indev_deps="libiec61883"

  2763. jack_indev_deps="jack_jack_h sem_timedwait"

  2764. lavfi_indev_deps="avfilter"

  2765. libcdio_indev_deps="libcdio"

  2766. libdc1394_indev_deps="libdc1394"

  2767. libv4l2_indev_deps="libv4l2"

  2768. openal_indev_deps="openal"

  2769. opengl_outdev_deps="opengl"

  2770. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2771. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2772. pulse_indev_deps="libpulse"

  2773. pulse_outdev_deps="libpulse"

  2774. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2775. qtkit_indev_select="qtkit"

  2776. sdl_outdev_deps="sdl"

  2777. sndio_indev_deps="sndio_h"

  2778. sndio_outdev_deps="sndio_h"

  2779. v4l_indev_deps="linux_videodev_h"

  2780. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2781. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2782. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2783. vfwcap_indev_extralibs="-lavicap32"

  2784. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2785. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2786. x11grab_indev_deps="x11grab"

  2787. x11grab_xcb_indev_deps="libxcb"

  2788. 

  2789. # protocols

  2790. async_protocol_deps="threads"

  2791. bluray_protocol_deps="libbluray"

  2792. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2793. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2794. ffrtmpcrypt_protocol_select="tcp_protocol"

  2795. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2796. ffrtmphttp_protocol_select="http_protocol"

  2797. ftp_protocol_select="tcp_protocol"

  2798. gopher_protocol_select="network"

  2799. http_protocol_select="tcp_protocol"

  2800. httpproxy_protocol_select="tcp_protocol"

  2801. https_protocol_select="tls_protocol"

  2802. icecast_protocol_select="http_protocol"

  2803. librtmp_protocol_deps="librtmp"

  2804. librtmpe_protocol_deps="librtmp"

  2805. librtmps_protocol_deps="librtmp"

  2806. librtmpt_protocol_deps="librtmp"

  2807. librtmpte_protocol_deps="librtmp"

  2808. libsmbclient_protocol_deps="libsmbclient gplv3"

  2809. libssh_protocol_deps="libssh"

  2810. mmsh_protocol_select="http_protocol"

  2811. mmst_protocol_select="network"

  2812. rtmp_protocol_deps="!librtmp_protocol"

  2813. rtmp_protocol_select="tcp_protocol"

  2814. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2815. rtmps_protocol_deps="!librtmp_protocol"

  2816. rtmps_protocol_select="tls_protocol"

  2817. rtmpt_protocol_select="ffrtmphttp_protocol"

  2818. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2819. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2820. rtp_protocol_select="udp_protocol"

  2821. sctp_protocol_deps="struct_sctp_event_subscribe"

  2822. sctp_protocol_select="network"

  2823. srtp_protocol_select="rtp_protocol"

  2824. tcp_protocol_select="network"

  2825. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2826. tls_gnutls_protocol_select="tcp_protocol"

  2827. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2828. tls_openssl_protocol_select="tcp_protocol"

  2829. tls_schannel_protocol_deps="schannel"

  2830. tls_schannel_protocol_select="tcp_protocol"

  2831. tls_securetransport_protocol_deps="securetransport"

  2832. tls_securetransport_protocol_select="tcp_protocol"

  2833. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2834. udp_protocol_select="network"

  2835. udplite_protocol_select="network"

  2836. unix_protocol_deps="sys_un_h"

  2837. unix_protocol_select="network"

  2838. 

  2839. # filters

  2840. amovie_filter_deps="avcodec avformat"

  2841. aresample_filter_deps="swresample"

  2842. ass_filter_deps="libass"

  2843. asyncts_filter_deps="avresample"

  2844. atempo_filter_deps="avcodec"

  2845. atempo_filter_select="rdft"

  2846. azmq_filter_deps="libzmq"

  2847. blackframe_filter_deps="gpl"

  2848. boxblur_filter_deps="gpl"

  2849. bs2b_filter_deps="libbs2b"

  2850. colormatrix_filter_deps="gpl"

  2851. cover_rect_filter_deps="avcodec avformat gpl"

  2852. cropdetect_filter_deps="gpl"

  2853. delogo_filter_deps="gpl"

  2854. deshake_filter_select="pixelutils"

  2855. drawtext_filter_deps="libfreetype"

  2856. ebur128_filter_deps="gpl"

  2857. eq_filter_deps="gpl"

  2858. fftfilt_filter_deps="avcodec"

  2859. fftfilt_filter_select="rdft"

  2860. flite_filter_deps="libflite"

  2861. find_rect_filter_deps="avcodec avformat gpl"

  2862. frei0r_filter_deps="frei0r dlopen"

  2863. frei0r_src_filter_deps="frei0r dlopen"

  2864. fspp_filter_deps="gpl"

  2865. geq_filter_deps="gpl"

  2866. histeq_filter_deps="gpl"

  2867. hqdn3d_filter_deps="gpl"

  2868. interlace_filter_deps="gpl"

  2869. kerndeint_filter_deps="gpl"

  2870. ladspa_filter_deps="ladspa dlopen"

  2871. mcdeint_filter_deps="avcodec gpl"

  2872. movie_filter_deps="avcodec avformat"

  2873. mpdecimate_filter_deps="gpl"

  2874. mpdecimate_filter_select="pixelutils"

  2875. mptestsrc_filter_deps="gpl"

  2876. negate_filter_deps="lut_filter"

  2877. perspective_filter_deps="gpl"

  2878. pp7_filter_deps="gpl"

  2879. ocr_filter_deps="libtesseract"

  2880. ocv_filter_deps="libopencv"

  2881. owdenoise_filter_deps="gpl"

  2882. pan_filter_deps="swresample"

  2883. phase_filter_deps="gpl"

  2884. pp_filter_deps="gpl postproc"

  2885. pullup_filter_deps="gpl"

  2886. removelogo_filter_deps="avcodec avformat swscale"

  2887. repeatfields_filter_deps="gpl"

  2888. resample_filter_deps="avresample"

  2889. rubberband_filter_deps="librubberband"

  2890. sab_filter_deps="gpl swscale"

  2891. scale_filter_deps="swscale"

  2892. scale2ref_filter_deps="swscale"

  2893. select_filter_select="pixelutils"

  2894. smartblur_filter_deps="gpl swscale"

  2895. showcqt_filter_deps="avcodec avformat swscale"

  2896. showcqt_filter_select="fft"

  2897. showfreqs_filter_deps="avcodec"

  2898. showfreqs_filter_select="fft"

  2899. showspectrum_filter_deps="avcodec"

  2900. showspectrum_filter_select="fft"

  2901. showspectrumpic_filter_deps="avcodec"

  2902. showspectrumpic_filter_select="fft"

  2903. sofalizer_filter_deps="netcdf avcodec"

  2904. sofalizer_filter_select="fft"

  2905. spp_filter_deps="gpl avcodec"

  2906. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2907. stereo3d_filter_deps="gpl"

  2908. subtitles_filter_deps="avformat avcodec libass"

  2909. super2xsai_filter_deps="gpl"

  2910. tinterlace_filter_deps="gpl"

  2911. vidstabdetect_filter_deps="libvidstab"

  2912. vidstabtransform_filter_deps="libvidstab"

  2913. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2914. tinterlace_merge_test_deps="tinterlace_filter"

  2915. tinterlace_pad_test_deps="tinterlace_filter"

  2916. uspp_filter_deps="gpl avcodec"

  2917. zmq_filter_deps="libzmq"

  2918. zoompan_filter_deps="swscale"

  2919. zscale_filter_deps="libzimg"

  2920. 

  2921. # examples

  2922. avio_reading="avformat avcodec avutil"

  2923. avio_dir_cmd="avformat avutil"

  2924. avcodec_example_deps="avcodec avutil"

  2925. decoding_encoding_example_deps="avcodec avformat avutil"

  2926. demuxing_decoding_example_deps="avcodec avformat avutil"

  2927. extract_mvs_example_deps="avcodec avformat avutil"

  2928. filter_audio_example_deps="avfilter avutil"

  2929. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2930. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2931. metadata_example_deps="avformat avutil"

  2932. muxing_example_deps="avcodec avformat avutil swscale"

  2933. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2934. remuxing_example_deps="avcodec avformat avutil"

  2935. resampling_audio_example_deps="avutil swresample"

  2936. scaling_video_example_deps="avutil swscale"

  2937. transcode_aac_example_deps="avcodec avformat swresample"

  2938. transcoding_example_deps="avfilter avcodec avformat avutil"

  2939. 

  2940. # libraries, in linking order

  2941. avcodec_deps="avutil"

  2942. avdevice_deps="avformat avcodec avutil"

  2943. avfilter_deps="avutil"

  2944. avformat_deps="avcodec avutil"

  2945. avresample_deps="avutil"

  2946. postproc_deps="avutil gpl"

  2947. swresample_deps="avutil"

  2948. swscale_deps="avutil"

  2949. 

  2950. # programs

  2951. ffmpeg_deps="avcodec avfilter avformat swresample"

  2952. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2953.                null_filter

  2954.                setpts_filter trim_filter"

  2955. ffplay_deps="avcodec avformat swscale swresample sdl"

  2956. ffplay_libs='$sdl_libs'

  2957. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2958. ffprobe_deps="avcodec avformat"

  2959. ffserver_deps="avformat fork sarestart"

  2960. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2961. 

  2962. # documentation

  2963. podpages_deps="perl"

  2964. manpages_deps="perl pod2man"

  2965. htmlpages_deps="perl"

  2966. htmlpages_deps_any="makeinfo_html texi2html"

  2967. txtpages_deps="perl makeinfo"

  2968. doc_deps_any="manpages htmlpages podpages txtpages"

  2969. 

  2970. # default parameters

  2971. 

  2972. logfile="config.log"

  2973. 

  2974. # installation paths

  2975. prefix_default="/usr/local"

  2976. bindir_default='${prefix}/bin'

  2977. datadir_default='${prefix}/share/ffmpeg'

  2978. docdir_default='${prefix}/share/doc/ffmpeg'

  2979. incdir_default='${prefix}/include'

  2980. libdir_default='${prefix}/lib'

  2981. mandir_default='${prefix}/share/man'

  2982. 

  2983. # toolchain

  2984. ar_default="ar"

  2985. cc_default="gcc"

  2986. cxx_default="g++"

  2987. host_cc_default="gcc"

  2988. cp_f="cp -f"

  2989. doxygen_default="doxygen"

  2990. install="install"

  2991. ln_s="ln -s -f"

  2992. nm_default="nm -g"

  2993. objformat="elf"

  2994. pkg_config_default=pkg-config

  2995. ranlib_default="ranlib"

  2996. strip_default="strip"

  2997. yasmexe_default="yasm"

  2998. windres_default="windres"

  2999. 

  3000. # OS

  3001. target_os_default=$(tolower $(uname -s))

  3002. host_os=$target_os_default

  3003. 

  3004. # machine

  3005. if test "$target_os_default" = aix; then

  3006.     arch_default=$(uname -p)

  3007.     strip_default="strip -X32_64"

  3008. else

  3009.     arch_default=$(uname -m)

  3010. fi

  3011. cpu="generic"

  3012. intrinsics="none"

  3013. 

  3014. # configurable options

  3015. enable $PROGRAM_LIST

  3016. enable $DOCUMENT_LIST

  3017. enable $EXAMPLE_LIST

  3018. enable $(filter_out avresample $LIBRARY_LIST)

  3019. enable stripping

  3020. 

  3021. enable asm

  3022. enable debug

  3023. enable doc

  3024. enable faan faandct faanidct

  3025. enable optimizations

  3026. enable runtime_cpudetect

  3027. enable safe_bitstream_reader

  3028. enable static

  3029. enable swscale_alpha

  3030. enable valgrind_backtrace

  3031. 

  3032. sws_max_filter_size_default=256

  3033. set_default sws_max_filter_size

  3034. 

  3035. # Enable hwaccels by default.

  3036. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  3037. enable xlib

  3038. 

  3039. # build settings

  3040. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3041. LIBPREF="lib"

  3042. LIBSUF=".a"

  3043. FULLNAME='$(NAME)$(BUILDSUF)'

  3044. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3045. SLIBPREF="lib"

  3046. SLIBSUF=".so"

  3047. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3048. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3049. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3050. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3051. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3052. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3053. 

  3054. asflags_filter=echo

  3055. cflags_filter=echo

  3056. ldflags_filter=echo

  3057. 

  3058. AS_C='-c'

  3059. AS_O='-o $@'

  3060. CC_C='-c'

  3061. CC_E='-E -o $@'

  3062. CC_O='-o $@'

  3063. CXX_C='-c'

  3064. CXX_O='-o $@'

  3065. OBJCC_C='-c'

  3066. OBJCC_E='-E -o $@'

  3067. OBJCC_O='-o $@'

  3068. LD_O='-o $@'

  3069. LD_LIB='-l%'

  3070. LD_PATH='-L'

  3071. HOSTCC_C='-c'

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

  3073. HOSTCC_O='-o $@'

  3074. HOSTLD_O='-o $@'

  3075. 

  3076. host_libs='-lm'

  3077. host_cflags_filter=echo

  3078. host_ldflags_filter=echo

  3079. 

  3080. target_path='$(CURDIR)'

  3081. 

  3082. # since the object filename is not given with the -MM flag, the compiler

  3083. # is only able to print the basename, and we must add the path ourselves

  3084. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3085. DEPFLAGS='-MM'

  3086. 

  3087. # find source path

  3088. if test -f configure; then

  3089.     source_path=.

  3090. else

  3091.     source_path=$(cd $(dirname "$0"); pwd)

  3092.     case "$source_path" in

  3093.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3094.     esac

  3095.     test -e "$source_path/config.h" &&

  3096.         die "Out of tree builds are impossible with config.h in source dir."

  3097. fi

  3098. 

  3099. for v in "$@"; do

  3100.     r=${v#*=}

  3101.     l=${v%"$r"}

  3102.     r=$(sh_quote "$r")

  3103.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3104. done

  3105. 

  3106. find_things(){

  3107.     thing=$1

  3108.     pattern=$2

  3109.     file=$source_path/$3

  3110.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3111. }

  3112. 

  3113. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3114. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3115. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3116. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3117. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3118. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3119. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3120. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3121. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3122. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3123. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3124. 

  3125. ALL_COMPONENTS="

  3126.     $BSF_LIST

  3127.     $DECODER_LIST

  3128.     $DEMUXER_LIST

  3129.     $ENCODER_LIST

  3130.     $FILTER_LIST

  3131.     $HWACCEL_LIST

  3132.     $INDEV_LIST

  3133.     $MUXER_LIST

  3134.     $OUTDEV_LIST

  3135.     $PARSER_LIST

  3136.     $PROTOCOL_LIST

  3137. "

  3138. 

  3139. for n in $COMPONENT_LIST; do

  3140.     v=$(toupper ${n%s})_LIST

  3141.     eval enable \$$v

  3142.     eval ${n}_if_any="\$$v"

  3143. done

  3144. 

  3145. enable $ARCH_EXT_LIST

  3146. 

  3147. die_unknown(){

  3148.     echo "Unknown option \"$1\"."

  3149.     echo "See $0 --help for available options."

  3150.     exit 1

  3151. }

  3152. 

  3153. print_in_columns() {

  3154.     cols=$(expr $ncols / 24)

  3155.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3156. }

  3157. 

  3158. show_list() {

  3159.     suffix=_$1

  3160.     shift

  3161.     echo $* | sed s/$suffix//g | print_in_columns

  3162.     exit 0

  3163. }

  3164. 

  3165. rand_list(){

  3166.     IFS=', '

  3167.     set -- $*

  3168.     unset IFS

  3169.     for thing; do

  3170.         comp=${thing%:*}

  3171.         prob=${thing#$comp}

  3172.         prob=${prob#:}

  3173.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3174.         echo "prob ${prob:-0.5}"

  3175.         printf '%s\n' $comp

  3176.     done

  3177. }

  3178. 

  3179. do_random(){

  3180.     action=$1

  3181.     shift

  3182.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3183.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3184. }

  3185. 

  3186. for opt do

  3187.     optval="${opt#*=}"

  3188.     case "$opt" in

  3189.         --extra-ldflags=*)

  3190.             add_ldflags $optval

  3191.         ;;

  3192.         --extra-ldexeflags=*)

  3193.             add_ldexeflags $optval

  3194.         ;;

  3195.         --extra-ldlibflags=*)

  3196.             add_ldlibflags $optval

  3197.         ;;

  3198.         --extra-libs=*)

  3199.             add_extralibs $optval

  3200.         ;;

  3201.         --disable-devices)

  3202.             disable $INDEV_LIST $OUTDEV_LIST

  3203.         ;;

  3204.         --enable-debug=*)

  3205.             debuglevel="$optval"

  3206.         ;;

  3207.         --disable-programs)

  3208.             disable $PROGRAM_LIST

  3209.         ;;

  3210.         --disable-everything)

  3211.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3212.         ;;

  3213.         --disable-all)

  3214.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3215.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3216.             enable avutil

  3217.         ;;

  3218.         --enable-random|--disable-random)

  3219.             action=${opt%%-random}

  3220.             do_random ${action#--} $COMPONENT_LIST

  3221.         ;;

  3222.         --enable-random=*|--disable-random=*)

  3223.             action=${opt%%-random=*}

  3224.             do_random ${action#--} $optval

  3225.         ;;

  3226.         --enable-*=*|--disable-*=*)

  3227.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3228.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3229.             eval list=\$$(toupper $thing)_LIST

  3230.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3231.             list=$(filter "$name" $list)

  3232.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3233.             $action $list

  3234.         ;;

  3235.         --enable-?*|--disable-?*)

  3236.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3237.             if is_in $option $COMPONENT_LIST; then

  3238.                 test $action = disable && action=unset

  3239.                 eval $action \$$(toupper ${option%s})_LIST

  3240.             elif is_in $option $CMDLINE_SELECT; then

  3241.                 $action $option

  3242.             else

  3243.                 die_unknown $opt

  3244.             fi

  3245.         ;;

  3246.         --list-*)

  3247.             NAME="${opt#--list-}"

  3248.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3249.             NAME=${NAME%s}

  3250.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3251.         ;;

  3252.         --help|-h) show_help

  3253.         ;;

  3254.         --fatal-warnings) enable fatal_warnings

  3255.         ;;

  3256.         *)

  3257.             optname="${opt%%=*}"

  3258.             optname="${optname#--}"

  3259.             optname=$(echo "$optname" | sed 's/-/_/g')

  3260.             if is_in $optname $CMDLINE_SET; then

  3261.                 eval $optname='$optval'

  3262.             elif is_in $optname $CMDLINE_APPEND; then

  3263.                 append $optname "$optval"

  3264.             else

  3265.                 die_unknown $opt

  3266.             fi

  3267.         ;;

  3268.     esac

  3269. done

  3270. 

  3271. for e in $env; do

  3272.     eval "export $e"

  3273. done

  3274. 

  3275. disabled logging && logfile=/dev/null

  3276. 

  3277. # Disable all the library-specific components if the library itself

  3278. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3279. 

  3280. disable_components(){

  3281.     disabled ${1} && disable $(

  3282.         eval components="\$$(toupper ${1})_COMPONENTS"

  3283.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3284.     )

  3285. }

  3286. 

  3287. map 'disable_components $v' $LIBRARY_LIST

  3288. 

  3289. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3290. set >> $logfile

  3291. 

  3292. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3293. 

  3294. case "$toolchain" in

  3295.     clang-asan)

  3296.         cc_default="clang"

  3297.         add_cflags  -fsanitize=address

  3298.         add_ldflags -fsanitize=address

  3299.     ;;

  3300.     clang-tsan)

  3301.         cc_default="clang"

  3302.         add_cflags  -fsanitize=thread -pie

  3303.         add_ldflags -fsanitize=thread -pie

  3304.     ;;

  3305.     clang-usan)

  3306.         cc_default="clang"

  3307.         add_cflags  -fsanitize=undefined

  3308.         add_ldflags -fsanitize=undefined

  3309.     ;;

  3310.     gcc-asan)

  3311.         cc_default="gcc"

  3312.         add_cflags  -fsanitize=address

  3313.         add_ldflags -fsanitize=address

  3314.     ;;

  3315.     gcc-tsan)

  3316.         cc_default="gcc"

  3317.         add_cflags  -fsanitize=thread -pie -fPIC

  3318.         add_ldflags -fsanitize=thread -pie -fPIC

  3319.     ;;

  3320.     gcc-usan)

  3321.         cc_default="gcc"

  3322.         add_cflags  -fsanitize=undefined

  3323.         add_ldflags -fsanitize=undefined

  3324.     ;;

  3325.     valgrind-massif)

  3326.         target_exec_default=${valgrind:-"valgrind"}

  3327.         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"

  3328.     ;;

  3329.     valgrind-memcheck)

  3330.         target_exec_default=${valgrind:-"valgrind"}

  3331.         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"

  3332.     ;;

  3333.     msvc)

  3334.         # Check whether the current MSVC version needs the C99 converter.

  3335.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3336.         # support enough of C99 to build ffmpeg. Default to the new

  3337.         # behaviour if the regexp was unable to match anything, since this

  3338.         # successfully parses the version number of existing supported

  3339.         # versions that require the converter (MSVC 2010 and 2012).

  3340.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3341.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3342.             cc_default="cl"

  3343.         else

  3344.             cc_default="c99wrap cl"

  3345.         fi

  3346.         ld_default="$source_path/compat/windows/mslink"

  3347.         nm_default="dumpbin -symbols"

  3348.         ar_default="lib"

  3349.         case "$arch" in

  3350.         arm*)

  3351.             as_default="armasm"

  3352.             ;;

  3353.         esac

  3354.         target_os_default="win32"

  3355.         # Use a relative path for TMPDIR. This makes sure all the

  3356.         # ffconf temp files are written with a relative path, avoiding

  3357.         # issues with msys/win32 path conversion for MSVC parameters

  3358.         # such as -Fo<file> or -out:<file>.

  3359.         TMPDIR=.

  3360.     ;;

  3361.     icl)

  3362.         cc_default="icl"

  3363.         ld_default="xilink"

  3364.         nm_default="dumpbin -symbols"

  3365.         ar_default="xilib"

  3366.         target_os_default="win32"

  3367.         TMPDIR=.

  3368.     ;;

  3369.     gcov)

  3370.         add_cflags  -fprofile-arcs -ftest-coverage

  3371.         add_ldflags -fprofile-arcs -ftest-coverage

  3372.     ;;

  3373.     hardened)

  3374.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3375.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3376.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3377.     ;;

  3378.     ?*)

  3379.         die "Unknown toolchain $toolchain"

  3380.     ;;

  3381. esac

  3382. 

  3383. test -n "$cross_prefix" && enable cross_compile

  3384. 

  3385. if enabled cross_compile; then

  3386.     test -n "$arch" && test -n "$target_os" ||

  3387.         die "Must specify target arch and OS when cross-compiling"

  3388. fi

  3389. 

  3390. ar_default="${cross_prefix}${ar_default}"

  3391. cc_default="${cross_prefix}${cc_default}"

  3392. cxx_default="${cross_prefix}${cxx_default}"

  3393. nm_default="${cross_prefix}${nm_default}"

  3394. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3395. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3396.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3397. else

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

  3399. fi

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

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

  3402. 

  3403. sysinclude_default="${sysroot}/usr/include"

  3404. 

  3405. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3406.     target_exec target_os yasmexe

  3407. enabled cross_compile || host_cc_default=$cc

  3408. set_default host_cc

  3409. 

  3410. pkg_config_fail_message=""

  3411. if ! $pkg_config --version >/dev/null 2>&1; then

  3412.     warn "$pkg_config not found, library detection may fail."

  3413.     pkg_config=false

  3414. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3415.     pkg_config_fail_message="

  3416. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3417. fi

  3418. 

  3419. if test $doxygen != $doxygen_default && \

  3420.   ! $doxygen --version >/dev/null 2>&1; then

  3421.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3422. fi

  3423. 

  3424. exesuf() {

  3425.     case $1 in

  3426.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3427.     esac

  3428. }

  3429. 

  3430. EXESUF=$(exesuf $target_os)

  3431. HOSTEXESUF=$(exesuf $host_os)

  3432. 

  3433. # set temporary file name

  3434. : ${TMPDIR:=$TEMPDIR}

  3435. : ${TMPDIR:=$TMP}

  3436. : ${TMPDIR:=/tmp}

  3437. 

  3438. if [ -n "$tempprefix" ] ; then

  3439.     mktemp(){

  3440.         echo $tempprefix.${HOSTNAME}.${UID}

  3441.     }

  3442. elif ! check_cmd mktemp -u XXXXXX; then

  3443.     # simple replacement for missing mktemp

  3444.     # NOT SAFE FOR GENERAL USE

  3445.     mktemp(){

  3446.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3447.     }

  3448. fi

  3449. 

  3450. tmpfile(){

  3451.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3452.         (set -C; exec > $tmp) 2>/dev/null ||

  3453.         die "Unable to create temporary file in $TMPDIR."

  3454.     append TMPFILES $tmp

  3455.     eval $1=$tmp

  3456. }

  3457. 

  3458. trap 'rm -f -- $TMPFILES' EXIT

  3459. 

  3460. tmpfile TMPASM .asm

  3461. tmpfile TMPC   .c

  3462. tmpfile TMPCPP .cpp

  3463. tmpfile TMPE   $EXESUF

  3464. tmpfile TMPH   .h

  3465. tmpfile TMPM   .m

  3466. tmpfile TMPO   .o

  3467. tmpfile TMPS   .S

  3468. tmpfile TMPSH  .sh

  3469. tmpfile TMPV   .ver

  3470. 

  3471. unset -f mktemp

  3472. 

  3473. chmod +x $TMPE

  3474. 

  3475. # make sure we can execute files in $TMPDIR

  3476. cat > $TMPSH 2>> $logfile <<EOF

  3477. #! /bin/sh

  3478. EOF

  3479. chmod +x $TMPSH >> $logfile 2>&1

  3480. if ! $TMPSH >> $logfile 2>&1; then

  3481.     cat <<EOF

  3482. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3483. variable to another directory and make sure that it is not mounted noexec.

  3484. EOF

  3485.     die "Sanity test failed."

  3486. fi

  3487. 

  3488. armasm_flags(){

  3489.     for flag; do

  3490.         case $flag in

  3491.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3492.             # be passed to gas-preprocessor

  3493.             -M[TD]*)                                            ;;

  3494.             *)                  echo $flag                      ;;

  3495.         esac

  3496.    done

  3497. }

  3498. 

  3499. ccc_flags(){

  3500.     for flag; do

  3501.         case $flag in

  3502.             -std=c99)           echo -c99                       ;;

  3503.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3504.             -mieee)             echo -ieee                      ;;

  3505.             -O*|-fast)          echo $flag                      ;;

  3506.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3507.             -g)                 echo -g3                        ;;

  3508.             -Wall)              echo -msg_enable level2         ;;

  3509.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3510.             -Wl,*)              echo $flag                      ;;

  3511.             -f*|-W*)                                            ;;

  3512.             *)                  echo $flag                      ;;

  3513.         esac

  3514.    done

  3515. }

  3516. 

  3517. cparser_flags(){

  3518.     for flag; do

  3519.         case $flag in

  3520.             -Wno-switch)             echo -Wno-switch-enum ;;

  3521.             -Wno-format-zero-length) ;;

  3522.             -Wdisabled-optimization) ;;

  3523.             -Wno-pointer-sign)       echo -Wno-other ;;

  3524.             *)                       echo $flag ;;

  3525.         esac

  3526.     done

  3527. }

  3528. 

  3529. msvc_common_flags(){

  3530.     for flag; do

  3531.         case $flag in

  3532.             # In addition to specifying certain flags under the compiler

  3533.             # specific filters, they must be specified here as well or else the

  3534.             # generic catch all at the bottom will print the original flag.

  3535.             -Wall)                ;;

  3536.             -std=c99)             ;;

  3537.             # Common flags

  3538.             -fomit-frame-pointer) ;;

  3539.             -g)                   echo -Z7 ;;

  3540.             -fno-math-errno)      ;;

  3541.             -fno-common)          ;;

  3542.             -fno-signed-zeros)    ;;

  3543.             -fPIC)                ;;

  3544.             -mthumb)              ;;

  3545.             -march=*)             ;;

  3546.             -lz)                  echo zlib.lib ;;

  3547.             -lavifil32)           echo vfw32.lib ;;

  3548.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3549.             -l*)                  echo ${flag#-l}.lib ;;

  3550.             -LARGEADDRESSAWARE)   echo $flag ;;

  3551.             -L*)                  echo -libpath:${flag#-L} ;;

  3552.             *)                    echo $flag ;;

  3553.         esac

  3554.     done

  3555. }

  3556. 

  3557. msvc_flags(){

  3558.     msvc_common_flags "$@"

  3559.     for flag; do

  3560.         case $flag in

  3561.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3562.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3563.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3564.                                        -wd4307 \

  3565.                                        -wd4273 -wd4554 -wd4701 ;;

  3566.         esac

  3567.     done

  3568. }

  3569. 

  3570. icl_flags(){

  3571.     msvc_common_flags "$@"

  3572.     for flag; do

  3573.         case $flag in

  3574.             # Despite what Intel's documentation says -Wall, which is supported

  3575.             # on Windows, does enable remarks so disable them here.

  3576.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3577.             -std=c99)             echo -Qstd=c99 ;;

  3578.             -flto)                echo -ipo ;;

  3579.         esac

  3580.     done

  3581. }

  3582. 

  3583. icc_flags(){

  3584.     for flag; do

  3585.         case $flag in

  3586.             -flto)                echo -ipo ;;

  3587.             *)                    echo $flag ;;

  3588.         esac

  3589.     done

  3590. }

  3591. 

  3592. pgi_flags(){

  3593.     for flag; do

  3594.         case $flag in

  3595.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3596.             -fomit-frame-pointer) echo -Mnoframe ;;

  3597.             -g)                   echo -gopt ;;

  3598.             *)                    echo $flag ;;

  3599.         esac

  3600.     done

  3601. }

  3602. 

  3603. suncc_flags(){

  3604.     for flag; do

  3605.         case $flag in

  3606.             -march=*|-mcpu=*)

  3607.                 case "${flag#*=}" in

  3608.                     native)                   echo -xtarget=native       ;;

  3609.                     v9|niagara)               echo -xarch=sparc          ;;

  3610.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3611.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3612.                     i586|pentium)             echo -xchip=pentium        ;;

  3613.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3614.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3615.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3616.                     pentium4*)          echo -xtarget=pentium4           ;;

  3617.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3618.                     *-sse3)             echo -xarch=sse3                 ;;

  3619.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3620.                     bonnell)                   echo -xarch=ssse3         ;;

  3621.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3622.                     westmere)                  echo -xtarget=westmere    ;;

  3623.                     silvermont)                echo -xarch=sse4_2        ;;

  3624.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3625.                     core-avx*|ivybridge|haswell|broadwell)

  3626.                                                echo -xarch=avx           ;;

  3627.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3628.                     btver1)                    echo -xarch=amdsse4a      ;;

  3629.                     btver2|bdver*)             echo -xarch=avx           ;;

  3630.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3631.                     k8|opteron|athlon64|athlon-fx)

  3632.                                                echo -xarch=sse2a         ;;

  3633.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3634.                 esac

  3635.                 ;;

  3636.             -std=c99)             echo -xc99              ;;

  3637.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3638.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3639.             -W*,*)                echo $flag              ;;

  3640.             -f*-*|-W*|-mimpure-text)                      ;;

  3641.             -shared)              echo -G                 ;;

  3642.             *)                    echo $flag              ;;

  3643.         esac

  3644.     done

  3645. }

  3646. 

  3647. tms470_flags(){

  3648.     for flag; do

  3649.         case $flag in

  3650.             -march=*|-mcpu=*)

  3651.                 case "${flag#*=}" in

  3652.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3653.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3654.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3655.                     armv6*|arm11*)          echo -mv=6   ;;

  3656.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3657.                                             echo -mv=5e  ;;

  3658.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3659.                 esac

  3660.                 ;;

  3661.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3662.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3663.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3664.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3665.             -msoft-float)   echo --float_support=vfplib       ;;

  3666.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3667.             -g)             echo -g -mn                       ;;

  3668.             -pds=*)         echo $flag                        ;;

  3669.             -D*|-I*)        echo $flag                        ;;

  3670.             --gcc|--abi=*)  echo $flag                        ;;

  3671.             -me)            echo $flag                        ;;

  3672.         esac

  3673.     done

  3674. }

  3675. 

  3676. probe_cc(){

  3677.     pfx=$1

  3678.     _cc=$2

  3679.     first=$3

  3680. 

  3681.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3682.     unset _ld_o _ldflags _ld_lib _ld_path

  3683.     unset _depflags _DEPCMD _DEPFLAGS

  3684.     _flags_filter=echo

  3685. 

  3686.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3687.         true # no-op to avoid reading stdin in following checks

  3688.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3689.         _type=llvm_gcc

  3690.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3691.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3692.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3693.         _cflags_speed='-O3'

  3694.         _cflags_size='-Os'

  3695.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3696.         _type=gcc

  3697.         gcc_version=$($_cc --version | head -n1)

  3698.         gcc_basever=$($_cc -dumpversion)

  3699.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3700.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3701.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3702.         case $gcc_basever in

  3703.             2) ;;

  3704.             2.*) ;;

  3705.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3706.         esac

  3707.         if [ "$first" = true ]; then

  3708.             case $gcc_basever in

  3709.                 4.2*)

  3710.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3711.             esac

  3712.         fi

  3713.         _cflags_speed='-O3'

  3714.         _cflags_size='-Os'

  3715.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3716.         _type=icc

  3717.         _ident=$($_cc --version | head -n1)

  3718.         _depflags='-MMD'

  3719.         _cflags_speed='-O3'

  3720.         _cflags_size='-Os'

  3721.         _cflags_noopt='-O1'

  3722.         _flags_filter=icc_flags

  3723.     elif $_cc -v 2>&1 | grep -q xlc; then

  3724.         _type=xlc

  3725.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3726.         _cflags_speed='-O5'

  3727.         _cflags_size='-O5 -qcompact'

  3728.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3729.         _type=ccc

  3730.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3731.         _DEPFLAGS='-M'

  3732.         _cflags_speed='-fast'

  3733.         _cflags_size='-O1'

  3734.         _flags_filter=ccc_flags

  3735.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3736.         test -d "$sysroot" || die "No valid sysroot specified."

  3737.         _type=armcc

  3738.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3739.         armcc_conf="$PWD/armcc.conf"

  3740.         $_cc --arm_linux_configure                 \

  3741.              --arm_linux_config_file="$armcc_conf" \

  3742.              --configure_sysroot="$sysroot"        \

  3743.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3744.              die "Error creating armcc configuration file."

  3745.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3746.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3747.         as_default="${cross_prefix}gcc"

  3748.         _depflags='-MMD'

  3749.         _cflags_speed='-O3'

  3750.         _cflags_size='-Os'

  3751.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3752.         _type=tms470

  3753.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3754.         _flags='--gcc --abi=eabi -me'

  3755.         _cc_e='-ppl -fe=$@'

  3756.         _cc_o='-fe=$@'

  3757.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3758.         _cflags_speed='-O3 -mf=5'

  3759.         _cflags_size='-O3 -mf=2'

  3760.         _flags_filter=tms470_flags

  3761.     elif $_cc -v 2>&1 | grep -q clang; then

  3762.         _type=clang

  3763.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3764.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3765.         _cflags_speed='-O3'

  3766.         _cflags_size='-Os'

  3767.     elif $_cc -V 2>&1 | grep -q Sun; then

  3768.         _type=suncc

  3769.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3770.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3771.         _DEPFLAGS='-xM1 -xc99'

  3772.         _ldflags='-std=c99'

  3773.         _cflags_speed='-O5'

  3774.         _cflags_size='-O5 -xspace'

  3775.         _flags_filter=suncc_flags

  3776.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3777.         _type=pathscale

  3778.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3779.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3780.         _cflags_speed='-O2'

  3781.         _cflags_size='-Os'

  3782.         _flags_filter='filter_out -Wdisabled-optimization'

  3783.     elif $_cc -v 2>&1 | grep -q Open64; then

  3784.         _type=open64

  3785.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

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

  3787.         _cflags_speed='-O2'

  3788.         _cflags_size='-Os'

  3789.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3790.     elif $_cc -V 2>&1 | grep -q Portland; then

  3791.         _type=pgi

  3792.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3793.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3794.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3795.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3796.         _cflags_noopt="-O"

  3797.         _flags_filter=pgi_flags

  3798.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3799.         _type=armasm

  3800.         _ident=$($_cc | head -n1)

  3801.         # 4509: "This form of conditional instruction is deprecated"

  3802.         _flags="-nologo -ignore 4509"

  3803.         _flags_filter=armasm_flags

  3804.     elif $_cc 2>&1 | grep -q Intel; then

  3805.         _type=icl

  3806.         _ident=$($_cc 2>&1 | head -n1)

  3807.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3808.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3809.         # versions (tested) as well.

  3810.         _cflags_speed="-O2"

  3811.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3812.         if $_cc 2>&1 | grep -q Linker; then

  3813.             _ld_o='-out:$@'

  3814.         else

  3815.             _ld_o='-Fe$@'

  3816.         fi

  3817.         _cc_o='-Fo$@'

  3818.         _cc_e='-P'

  3819.         _flags_filter=icl_flags

  3820.         _ld_lib='lib%.a'

  3821.         _ld_path='-libpath:'

  3822.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3823.         _flags='-nologo -Qdiag-error:4044,10157'

  3824.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3825.         # with MSVC which enables it by default.

  3826.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3827.         disable stripping

  3828.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3829.         _type=msvc

  3830.         _ident=$($_cc 2>&1 | head -n1)

  3831.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3832.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3833.         _cflags_speed="-O2"

  3834.         _cflags_size="-O1"

  3835.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3836.             _ld_o='-out:$@'

  3837.         else

  3838.             _ld_o='-Fe$@'

  3839.         fi

  3840.         _cc_o='-Fo$@'

  3841.         _cc_e='-P -Fi$@'

  3842.         _flags_filter=msvc_flags

  3843.         _ld_lib='lib%.a'

  3844.         _ld_path='-libpath:'

  3845.         _flags='-nologo'

  3846.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3847.         disable stripping

  3848.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3849.         _type=cparser

  3850.         _ident=$($_cc --version | head -n1)

  3851.         _depflags='-MMD'

  3852.         _cflags_speed='-O4'

  3853.         _cflags_size='-O2'

  3854.         _flags_filter=cparser_flags

  3855.     fi

  3856. 

  3857.     eval ${pfx}_type=\$_type

  3858.     eval ${pfx}_ident=\$_ident

  3859. }

  3860. 

  3861. set_ccvars(){

  3862.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3863.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3864.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3865. 

  3866.     if [ -n "$_depflags" ]; then

  3867.         eval ${1}_DEPFLAGS=\$_depflags

  3868.     else

  3869.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3870.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3871.         eval DEP${1}FLAGS=\$_flags

  3872.     fi

  3873. }

  3874. 

  3875. probe_cc cc "$cc" "true"

  3876. cflags_filter=$_flags_filter

  3877. cflags_speed=$_cflags_speed

  3878. cflags_size=$_cflags_size

  3879. cflags_noopt=$_cflags_noopt

  3880. add_cflags $_flags $_cflags

  3881. cc_ldflags=$_ldflags

  3882. set_ccvars CC

  3883. 

  3884. probe_cc hostcc "$host_cc"

  3885. host_cflags_filter=$_flags_filter

  3886. add_host_cflags  $_flags $_cflags

  3887. set_ccvars HOSTCC

  3888. 

  3889. test -n "$cc_type" && enable $cc_type ||

  3890.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3891. 

  3892. : ${as_default:=$cc}

  3893. : ${objcc_default:=$cc}

  3894. : ${dep_cc_default:=$cc}

  3895. : ${ld_default:=$cc}

  3896. : ${host_ld_default:=$host_cc}

  3897. set_default ar as objcc dep_cc ld host_ld windres

  3898. 

  3899. probe_cc as "$as"

  3900. asflags_filter=$_flags_filter

  3901. add_asflags $_flags $_cflags

  3902. set_ccvars AS

  3903. 

  3904. probe_cc objcc "$objcc"

  3905. objcflags_filter=$_flags_filter

  3906. add_objcflags $_flags $_cflags

  3907. set_ccvars OBJC

  3908. 

  3909. probe_cc ld "$ld"

  3910. ldflags_filter=$_flags_filter

  3911. add_ldflags $_flags $_ldflags

  3912. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3913. LD_O=${_ld_o-$LD_O}

  3914. LD_LIB=${_ld_lib-$LD_LIB}

  3915. LD_PATH=${_ld_path-$LD_PATH}

  3916. 

  3917. probe_cc hostld "$host_ld"

  3918. host_ldflags_filter=$_flags_filter

  3919. add_host_ldflags $_flags $_ldflags

  3920. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3921. 

  3922. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3923.     probe_cc depcc "$dep_cc"

  3924.     CCDEP=${_DEPCMD:-$DEPCMD}

  3925.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3926.     DEPCCFLAGS=$_flags

  3927. fi

  3928. 

  3929. if $ar 2>&1 | grep -q Microsoft; then

  3930.     arflags="-nologo"

  3931.     ar_o='-out:$@'

  3932. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3933.     arflags="rq"

  3934.     ar_o='$@'

  3935. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3936.     arflags='-Xany -r -c'

  3937.     ar_o='$@'

  3938. elif $ar 2>&1 | grep -q "\[D\] "; then

  3939.     arflags="rcD"

  3940.     ar_o='$@'

  3941. else

  3942.     arflags="rc"

  3943.     ar_o='$@'

  3944. fi

  3945. 

  3946. add_cflags $extra_cflags

  3947. add_cxxflags $extra_cxxflags

  3948. add_objcflags $extra_objcflags

  3949. add_asflags $extra_cflags

  3950. 

  3951. if test -n "$sysroot"; then

  3952.     case "$cc_type" in

  3953.         gcc|llvm_gcc|clang)

  3954.             add_cppflags --sysroot="$sysroot"

  3955.             add_ldflags --sysroot="$sysroot"

  3956. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3957.             add_cppflags -isysroot "$sysroot"

  3958.             add_ldflags -isysroot "$sysroot"

  3959.         ;;

  3960.         tms470)

  3961.             add_cppflags -I"$sysinclude"

  3962.             add_ldflags  --sysroot="$sysroot"

  3963.         ;;

  3964.     esac

  3965. fi

  3966. 

  3967. if test "$cpu" = host; then

  3968.     enabled cross_compile &&

  3969.         die "--cpu=host makes no sense when cross-compiling."

  3970. 

  3971.     case "$cc_type" in

  3972.         gcc|llvm_gcc)

  3973.             check_native(){

  3974.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3975.                 sed -n "/cc1.*$1=/{

  3976.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3977.                             p

  3978.                             q

  3979.                         }" $TMPE

  3980.             }

  3981.             cpu=$(check_native -march || check_native -mcpu)

  3982.         ;;

  3983.         clang)

  3984.             check_native(){

  3985.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3986.                 sed -n "/cc1.*-target-cpu /{

  3987.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  3988.                             p

  3989.                             q

  3990.                         }" $TMPE

  3991.             }

  3992.             cpu=$(check_native -march)

  3993.         ;;

  3994.     esac

  3995. 

  3996.     test "${cpu:-host}" = host &&

  3997.         die "--cpu=host not supported with compiler $cc"

  3998. fi

  3999. 

  4000. # Deal with common $arch aliases

  4001. case "$arch" in

  4002.     aarch64|arm64)

  4003.         arch="aarch64"

  4004.     ;;

  4005.     arm*|iPad*|iPhone*)

  4006.         arch="arm"

  4007.     ;;

  4008.     mips*|IP*)

  4009.         arch="mips"

  4010.     ;;

  4011.     parisc*|hppa*)

  4012.         arch="parisc"

  4013.     ;;

  4014.     "Power Macintosh"|ppc*|powerpc*)

  4015.         arch="ppc"

  4016.     ;;

  4017.     s390|s390x)

  4018.         arch="s390"

  4019.     ;;

  4020.     sh4|sh)

  4021.         arch="sh4"

  4022.     ;;

  4023.     sun4u|sparc*)

  4024.         arch="sparc"

  4025.     ;;

  4026.     tilegx|tile-gx)

  4027.         arch="tilegx"

  4028.     ;;

  4029.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4030.         arch="x86"

  4031.     ;;

  4032. esac

  4033. 

  4034. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4035. enable $arch

  4036. 

  4037. # Add processor-specific flags

  4038. if enabled aarch64; then

  4039. 

  4040.     case $cpu in

  4041.         armv*)

  4042.             cpuflags="-march=$cpu"

  4043.         ;;

  4044.         *)

  4045.             cpuflags="-mcpu=$cpu"

  4046.         ;;

  4047.     esac

  4048. 

  4049. elif enabled alpha; then

  4050. 

  4051.     cpuflags="-mcpu=$cpu"

  4052. 

  4053. elif enabled arm; then

  4054. 

  4055.     check_arm_arch() {

  4056.         check_cpp_condition stddef.h \

  4057.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4058.             $cpuflags

  4059.     }

  4060. 

  4061.     probe_arm_arch() {

  4062.         if   check_arm_arch 4;        then echo armv4;

  4063.         elif check_arm_arch 4T;       then echo armv4t;

  4064.         elif check_arm_arch 5;        then echo armv5;

  4065.         elif check_arm_arch 5E;       then echo armv5e;

  4066.         elif check_arm_arch 5T;       then echo armv5t;

  4067.         elif check_arm_arch 5TE;      then echo armv5te;

  4068.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4069.         elif check_arm_arch 6;        then echo armv6;

  4070.         elif check_arm_arch 6J;       then echo armv6j;

  4071.         elif check_arm_arch 6K;       then echo armv6k;

  4072.         elif check_arm_arch 6Z;       then echo armv6z;

  4073.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4074.         elif check_arm_arch 6T2;      then echo armv6t2;

  4075.         elif check_arm_arch 7;        then echo armv7;

  4076.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4077.         elif check_arm_arch 7S;       then echo armv7-a;

  4078.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4079.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4080.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4081.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4082.         fi

  4083.     }

  4084. 

  4085.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4086. 

  4087.     case $cpu in

  4088.         armv*)

  4089.             cpuflags="-march=$cpu"

  4090.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4091.         ;;

  4092.         *)

  4093.             cpuflags="-mcpu=$cpu"

  4094.             case $cpu in

  4095.                 cortex-a*)                               subarch=armv7a  ;;

  4096.                 cortex-r*)                               subarch=armv7r  ;;

  4097.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4098.                 arm11*)                                  subarch=armv6   ;;

  4099.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4100.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4101.                 *)                             subarch=$(probe_arm_arch) ;;

  4102.             esac

  4103.         ;;

  4104.     esac

  4105. 

  4106.     case "$subarch" in

  4107.         armv5t*)    enable fast_clz                ;;

  4108.         armv[6-8]*)

  4109.             enable fast_clz

  4110.             disabled fast_unaligned || enable fast_unaligned

  4111.             ;;

  4112.     esac

  4113. 

  4114. elif enabled avr32; then

  4115. 

  4116.     case $cpu in

  4117.         ap7[02]0[0-2])

  4118.             subarch="avr32_ap"

  4119.             cpuflags="-mpart=$cpu"

  4120.         ;;

  4121.         ap)

  4122.             subarch="avr32_ap"

  4123.             cpuflags="-march=$cpu"

  4124.         ;;

  4125.         uc3[ab]*)

  4126.             subarch="avr32_uc"

  4127.             cpuflags="-mcpu=$cpu"

  4128.         ;;

  4129.         uc)

  4130.             subarch="avr32_uc"

  4131.             cpuflags="-march=$cpu"

  4132.         ;;

  4133.     esac

  4134. 

  4135. elif enabled bfin; then

  4136. 

  4137.     cpuflags="-mcpu=$cpu"

  4138. 

  4139. elif enabled mips; then

  4140. 

  4141.     cpuflags="-march=$cpu"

  4142. 

  4143.     case $cpu in

  4144.         24kc)

  4145.             disable mips32r6

  4146.             disable mips64r2

  4147.             disable mips64r6

  4148.             disable mipsfpu

  4149.             disable mipsdsp

  4150.             disable mipsdspr2

  4151.             disable msa

  4152.         ;;

  4153.         24kf*)

  4154.             disable mips32r6

  4155.             disable mips64r2

  4156.             disable mips64r6

  4157.             disable mipsdsp

  4158.             disable mipsdspr2

  4159.             disable msa

  4160.         ;;

  4161.         24kec|34kc|1004kc)

  4162.             disable mips32r6

  4163.             disable mips64r2

  4164.             disable mips64r6

  4165.             disable mipsfpu

  4166.             disable mipsdspr2

  4167.             disable msa

  4168.         ;;

  4169.         24kef*|34kf*|1004kf*)

  4170.             disable mips32r6

  4171.             disable mips64r2

  4172.             disable mips64r6

  4173.             disable mipsdspr2

  4174.             disable msa

  4175.         ;;

  4176.         74kc)

  4177.             disable mips32r6

  4178.             disable mips64r2

  4179.             disable mips64r6

  4180.             disable mipsfpu

  4181.             disable msa

  4182.         ;;

  4183.         74kf)

  4184.             disable mips32r6

  4185.             disable mips64r2

  4186.             disable mips64r6

  4187.             disable msa

  4188.         ;;

  4189.         p5600)

  4190.             disable mips32r6

  4191.             disable mips64r2

  4192.             disable mips64r6

  4193.             disable mipsdsp

  4194.             disable mipsdspr2

  4195.             check_cflags "-mtune=p5600" &&

  4196.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4197.             add_asflags "-mfp64"

  4198.         ;;

  4199.         i6400)

  4200.             disable mips32r2

  4201.             disable mips32r6

  4202.             disable mips64r2

  4203.             disable mipsdsp

  4204.             disable mipsdspr2

  4205.             check_cflags "-mtune=i6400 -mabi=64" &&

  4206.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4207.             check_ldflags "-mabi=64" &&

  4208.             add_asflags "-mfp64"

  4209.         ;;

  4210.         loongson*)

  4211.             disable mips32r2

  4212.             disable mips32r6

  4213.             disable mips64r2

  4214.             disable mips64r6

  4215.             disable mipsfpu

  4216.             disable mipsdsp

  4217.             disable mipsdspr2

  4218.             disable msa

  4219.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4220.             enable simd_align_16

  4221.             enable fast_64bit

  4222.             enable fast_clz

  4223.             enable fast_cmov

  4224.             enable fast_unaligned

  4225.             disable aligned_stack

  4226.             case $cpu in

  4227.                 loongson3*)

  4228.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4229.                 ;;

  4230.                 loongson2e)

  4231.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4232.                 ;;

  4233.                 loongson2f)

  4234.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4235.                 ;;

  4236.             esac

  4237.         ;;

  4238.         generic)

  4239.             disable mips64r6

  4240.             disable msa

  4241.         ;;

  4242.         *)

  4243.             # Unknown CPU. Disable everything.

  4244.             warn "unknown CPU. Disabling all MIPS optimizations."

  4245.             disable mipsfpu

  4246.             disable mips32r2

  4247.             disable mips32r6

  4248.             disable mips64r2

  4249.             disable mips64r6

  4250.             disable mipsdsp

  4251.             disable mipsdspr2

  4252.             disable msa

  4253.         ;;

  4254.     esac

  4255. 

  4256. elif enabled ppc; then

  4257. 

  4258.     disable ldbrx

  4259. 

  4260.     case $(tolower $cpu) in

  4261.         601|ppc601|powerpc601)

  4262.             cpuflags="-mcpu=601"

  4263.             disable altivec

  4264.         ;;

  4265.         603*|ppc603*|powerpc603*)

  4266.             cpuflags="-mcpu=603"

  4267.             disable altivec

  4268.         ;;

  4269.         604*|ppc604*|powerpc604*)

  4270.             cpuflags="-mcpu=604"

  4271.             disable altivec

  4272.         ;;

  4273.         g3|75*|ppc75*|powerpc75*)

  4274.             cpuflags="-mcpu=750"

  4275.             disable altivec

  4276.         ;;

  4277.         g4|745*|ppc745*|powerpc745*)

  4278.             cpuflags="-mcpu=7450"

  4279.             disable vsx

  4280.         ;;

  4281.         74*|ppc74*|powerpc74*)

  4282.             cpuflags="-mcpu=7400"

  4283.             disable vsx

  4284.         ;;

  4285.         g5|970|ppc970|powerpc970)

  4286.             cpuflags="-mcpu=970"

  4287.             disable vsx

  4288.         ;;

  4289.         power[3-6]*)

  4290.             cpuflags="-mcpu=$cpu"

  4291.             disable vsx

  4292.         ;;

  4293.         power[7-8]*)

  4294.             cpuflags="-mcpu=$cpu"

  4295.         ;;

  4296.         cell)

  4297.             cpuflags="-mcpu=cell"

  4298.             enable ldbrx

  4299.             disable vsx

  4300.         ;;

  4301.         e500mc)

  4302.             cpuflags="-mcpu=e500mc"

  4303.             disable altivec

  4304.         ;;

  4305.         e500v2)

  4306.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4307.             disable altivec

  4308.             disable dcbzl

  4309.         ;;

  4310.         e500)

  4311.             cpuflags="-mcpu=8540 -mhard-float"

  4312.             disable altivec

  4313.             disable dcbzl

  4314.         ;;

  4315.     esac

  4316. 

  4317. elif enabled sparc; then

  4318. 

  4319.     case $cpu in

  4320.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4321.             cpuflags="-mcpu=$cpu"

  4322.         ;;

  4323.         ultrasparc*|niagara[234])

  4324.             cpuflags="-mcpu=$cpu"

  4325.         ;;

  4326.     esac

  4327. 

  4328. elif enabled x86; then

  4329. 

  4330.     case $cpu in

  4331.         i[345]86|pentium)

  4332.             cpuflags="-march=$cpu"

  4333.             disable i686

  4334.             disable mmx

  4335.         ;;

  4336.         # targets that do NOT support nopl and conditional mov (cmov)

  4337.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4338.             cpuflags="-march=$cpu"

  4339.             disable i686

  4340.         ;;

  4341.         # targets that do support nopl and conditional mov (cmov)

  4342.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4343.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4344.             cpuflags="-march=$cpu"

  4345.             enable i686

  4346.             enable fast_cmov

  4347.         ;;

  4348.         # targets that do support conditional mov but on which it's slow

  4349.         pentium4|pentium4m|prescott|nocona)

  4350.             cpuflags="-march=$cpu"

  4351.             enable i686

  4352.             disable fast_cmov

  4353.         ;;

  4354.     esac

  4355. 

  4356. fi

  4357. 

  4358. if [ "$cpu" != generic ]; then

  4359.     add_cflags  $cpuflags

  4360.     add_asflags $cpuflags

  4361.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4362. fi

  4363. 

  4364. # compiler sanity check

  4365. check_exec <<EOF

  4366. int main(void){ return 0; }

  4367. EOF

  4368. if test "$?" != 0; then

  4369.     echo "$cc is unable to create an executable file."

  4370.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4371.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4372.         echo "Only do this if you know what cross compiling means."

  4373.     fi

  4374.     die "C compiler test failed."

  4375. fi

  4376. 

  4377. add_cppflags -D_ISOC99_SOURCE

  4378. add_cxxflags -D__STDC_CONSTANT_MACROS

  4379. check_cflags -std=c99

  4380. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4381. #include <stdlib.h>

  4382. EOF

  4383. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4384. #include <stdlib.h>

  4385. EOF

  4386. 

  4387. add_host_cppflags -D_ISOC99_SOURCE

  4388. check_host_cflags -std=c99

  4389. check_host_cflags -Wall

  4390. check_host_cflags -O3

  4391. 

  4392. check_64bit(){

  4393.     arch32=$1

  4394.     arch64=$2

  4395.     expr=$3

  4396.     check_code cc "" "int test[2*($expr) - 1]" &&

  4397.         subarch=$arch64 || subarch=$arch32

  4398. }

  4399. 

  4400. case "$arch" in

  4401.     aarch64|alpha|ia64)

  4402.         spic=$shared

  4403.     ;;

  4404.     mips)

  4405.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4406.         spic=$shared

  4407.     ;;

  4408.     parisc)

  4409.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4410.         spic=$shared

  4411.     ;;

  4412.     ppc)

  4413.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4414.         spic=$shared

  4415.     ;;

  4416.     s390)

  4417.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4418.         spic=$shared

  4419.     ;;

  4420.     sparc)

  4421.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4422.         spic=$shared

  4423.     ;;

  4424.     x86)

  4425.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4426.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4427.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4428.             subarch=x86_64

  4429.         if test "$subarch" = "x86_64"; then

  4430.             spic=$shared

  4431.         fi

  4432.     ;;

  4433.     ppc)

  4434.         check_cc <<EOF && subarch="ppc64"

  4435.         int test[(int)sizeof(char*) - 7];

  4436. EOF

  4437.     ;;

  4438. esac

  4439. 

  4440. enable $subarch

  4441. enabled spic && enable_weak pic

  4442. 

  4443. # OS specific

  4444. case $target_os in

  4445.     aix)

  4446.         SHFLAGS=-shared

  4447.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4448.         enabled shared && add_ldflags -Wl,-brtl

  4449.         ;;

  4450.     android)

  4451.         disable symver

  4452.         enable section_data_rel_ro

  4453.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4454.         SLIB_INSTALL_LINKS=

  4455.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4456.         ;;

  4457.     haiku)

  4458.         prefix_default="/boot/common"

  4459.         network_extralibs="-lnetwork"

  4460.         host_libs=

  4461.         ;;

  4462.     sunos)

  4463.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4464.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4465.         network_extralibs="-lsocket -lnsl"

  4466.         add_cppflags -D__EXTENSIONS__

  4467.         # When using suncc to build, the Solaris linker will mark

  4468.         # an executable with each instruction set encountered by

  4469.         # the Solaris assembler.  As our libraries contain their own

  4470.         # guards for processor-specific code, instead suppress

  4471.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4472.         enabled_all suncc x86 &&

  4473.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4474.             add_ldflags -Wl,-M,mapfile

  4475.         nm_default='nm -P -g'

  4476.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4477.         ;;

  4478.     netbsd)

  4479.         disable symver

  4480.         oss_indev_extralibs="-lossaudio"

  4481.         oss_outdev_extralibs="-lossaudio"

  4482.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4483.         ;;

  4484.     openbsd|bitrig)

  4485.         disable symver

  4486.         SHFLAGS='-shared'

  4487.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4488.         SLIB_INSTALL_LINKS=

  4489.         oss_indev_extralibs="-lossaudio"

  4490.         oss_outdev_extralibs="-lossaudio"

  4491.         ;;

  4492.     dragonfly)

  4493.         disable symver

  4494.         ;;

  4495.     freebsd)

  4496.         ;;

  4497.     bsd/os)

  4498.         add_extralibs -lpoll -lgnugetopt

  4499.         strip="strip -d"

  4500.         ;;

  4501.     darwin)

  4502.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4503.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4504.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4505.         strip="${strip} -x"

  4506.         add_ldflags -Wl,-dynamic,-search_paths_first

  4507.         SLIBSUF=".dylib"

  4508.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4509.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4510.         objformat="macho"

  4511.         enabled x86_64 && objformat="macho64"

  4512.         enabled_any pic shared x86_64 ||

  4513.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4514.         ;;

  4515.     msys*)

  4516.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4517.         ;;

  4518.     mingw32*|mingw64*)

  4519.         if test $target_os = "mingw32ce"; then

  4520.             disable network

  4521.         else

  4522.             target_os=mingw32

  4523.         fi

  4524.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4525.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4526.         LIBTARGET=i386

  4527.         if enabled x86_64; then

  4528.             LIBTARGET="i386:x86-64"

  4529.         elif enabled arm; then

  4530.             LIBTARGET=arm-wince

  4531.         fi

  4532.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4533.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4534.         shlibdir_default="$bindir_default"

  4535.         SLIBPREF=""

  4536.         SLIBSUF=".dll"

  4537.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4538.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4539.         dlltool="${cross_prefix}dlltool"

  4540.         if check_cmd lib.exe -list; then

  4541.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4542.             if enabled x86_64; then

  4543.                 LIBTARGET=x64

  4544.             fi

  4545.         elif check_cmd $dlltool --version; then

  4546.             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)'

  4547.         fi

  4548.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4549.         SLIB_INSTALL_LINKS=

  4550.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4551.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4552.         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'

  4553.         objformat="win32"

  4554.         ranlib=:

  4555.         enable dos_paths

  4556.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4557.         # Lets work around some stupidity in binutils.

  4558.         # ld will strip relocations from executables even though we need them

  4559.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4560.         # however ld then forgets what the entry point should be (oops) so we

  4561.         # have to manually (re)set it.

  4562.         if enabled x86_32; then

  4563.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4564.         elif enabled x86_64; then

  4565.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4566.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4567.             # Set image base >4GB for extra entropy with HEASLR

  4568.             add_ldexeflags -Wl,--image-base,0x140000000

  4569.             append SHFLAGS -Wl,--image-base,0x180000000

  4570.         fi

  4571.         ;;

  4572.     win32|win64)

  4573.         disable symver

  4574.         if enabled shared; then

  4575.             # Link to the import library instead of the normal static library

  4576.             # for shared libs.

  4577.             LD_LIB='%.lib'

  4578.             # Cannot build both shared and static libs with MSVC or icl.

  4579.             disable static

  4580.         fi

  4581.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4582.         shlibdir_default="$bindir_default"

  4583.         SLIBPREF=""

  4584.         SLIBSUF=".dll"

  4585.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4586.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4587.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4588.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4589.         SLIB_INSTALL_LINKS=

  4590.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4591.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4592.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4593.         objformat="win32"

  4594.         ranlib=:

  4595.         enable dos_paths

  4596.         ;;

  4597.     cygwin*)

  4598.         target_os=cygwin

  4599.         shlibdir_default="$bindir_default"

  4600.         SLIBPREF="cyg"

  4601.         SLIBSUF=".dll"

  4602.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4603.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4604.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4605.         SLIB_INSTALL_LINKS=

  4606.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4607.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4608.         objformat="win32"

  4609.         enable dos_paths

  4610.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4611.         ;;

  4612.     *-dos|freedos|opendos)

  4613.         network_extralibs="-lsocket"

  4614.         objformat="coff"

  4615.         enable dos_paths

  4616.         add_cppflags -U__STRICT_ANSI__

  4617.         ;;

  4618.     linux)

  4619.         enable dv1394

  4620.         enable section_data_rel_ro

  4621.         ;;

  4622.     irix*)

  4623.         target_os=irix

  4624.         ranlib="echo ignoring ranlib"

  4625.         ;;

  4626.     os/2*)

  4627.         strip="lxlite -CS"

  4628.         ln_s="cp -f"

  4629.         objformat="aout"

  4630.         add_cppflags -D_GNU_SOURCE

  4631.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4632.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4633.         LIBSUF="_s.a"

  4634.         SLIBPREF=""

  4635.         SLIBSUF=".dll"

  4636.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4637.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4638.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4639.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4640.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4641.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4642.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4643.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4644.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4645.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4646.         enable dos_paths

  4647.         enable_weak os2threads

  4648.         ;;

  4649.     gnu/kfreebsd)

  4650.         add_cppflags -D_BSD_SOURCE

  4651.         ;;

  4652.     gnu)

  4653.         ;;

  4654.     qnx)

  4655.         add_cppflags -D_QNX_SOURCE

  4656.         network_extralibs="-lsocket"

  4657.         ;;

  4658.     symbian)

  4659.         SLIBSUF=".dll"

  4660.         enable dos_paths

  4661.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4662.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4663.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4664.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4665.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4666.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4667.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4668.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4669.         ;;

  4670.     osf1)

  4671.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4672.         ;;

  4673.     minix)

  4674.         ;;

  4675.     plan9)

  4676.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4677.                      -D_REENTRANT_SOURCE        \

  4678.                      -D_RESEARCH_SOURCE         \

  4679.                      -DFD_SETSIZE=96            \

  4680.                      -DHAVE_SOCK_OPTS

  4681.         add_compat strtod.o strtod=avpriv_strtod

  4682.         network_extralibs='-lbsd'

  4683.         exeobjs=compat/plan9/main.o

  4684.         disable ffserver

  4685.         cp_f='cp'

  4686.         ;;

  4687.     none)

  4688.         ;;

  4689.     *)

  4690.         die "Unknown OS '$target_os'."

  4691.         ;;

  4692. esac

  4693. 

  4694. # determine libc flavour

  4695. 

  4696. probe_libc(){

  4697.     pfx=$1

  4698.     pfx_no_=${pfx%_}

  4699.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4700.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4701.         eval ${pfx}libc_type=uclibc

  4702.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4703.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4704.         eval ${pfx}libc_type=glibc

  4705.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4706.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4707.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4708.         eval ${pfx}libc_type=newlib

  4709.         add_${pfx}cppflags -U__STRICT_ANSI__

  4710.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4711.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4712.         eval ${pfx}libc_type=mingw64

  4713.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4714.             add_compat msvcrt/snprintf.o

  4715.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4716.         fi

  4717.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4718.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4719.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4720.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4721.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4722.         eval ${pfx}libc_type=mingw32

  4723.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4724.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4725.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4726.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4727.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4728.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4729.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4730.         eval ${pfx}libc_type=msvcrt

  4731.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4732.             if [ "$pfx" = host_ ]; then

  4733.                 add_host_cppflags -Dsnprintf=_snprintf

  4734.             else

  4735.                 add_compat strtod.o strtod=avpriv_strtod

  4736.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4737.                                              _snprintf=avpriv_snprintf  \

  4738.                                              vsnprintf=avpriv_vsnprintf

  4739.             fi

  4740.         fi

  4741.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4742.         # 0x601 by default unless something else is set by the user.

  4743.         # This can easily lead to us detecting functions only present

  4744.         # in such new versions and producing binaries requiring windows 7.0.

  4745.         # Therefore explicitly set the default to XP unless the user has

  4746.         # set something else on the command line.

  4747.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4748.         # family. For these cases, configure is free to use any functions

  4749.         # found in the SDK headers by default. (Alternatively, we could force

  4750.         # _WIN32_WINNT to 0x0602 in that case.)

  4751.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4752.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4753. #ifdef WINAPI_FAMILY

  4754. #include <winapifamily.h>

  4755. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4756. #error not desktop

  4757. #endif

  4758. #endif

  4759. EOF

  4760.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4761.         eval ${pfx}libc_type=klibc

  4762.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4763.         eval ${pfx}libc_type=bionic

  4764.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4765.         eval ${pfx}libc_type=solaris

  4766.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4767.     fi

  4768.     check_${pfx}cc <<EOF

  4769. #include <time.h>

  4770. void *v = localtime_r;

  4771. EOF

  4772. 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

  4773. #include <time.h>

  4774. void *v = localtime_r;

  4775. EOF

  4776. 

  4777. }

  4778. 

  4779. probe_libc

  4780. test -n "$libc_type" && enable libc_$libc_type

  4781. probe_libc host_

  4782. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4783. 

  4784. case $libc_type in

  4785.     bionic)

  4786.         add_compat strtod.o strtod=avpriv_strtod

  4787.         ;;

  4788. esac

  4789. 

  4790. # hacks for compiler/libc/os combinations

  4791. 

  4792. if enabled_all tms470 libc_glibc; then

  4793.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4794.     add_cppflags -D__USER_LABEL_PREFIX__=

  4795.     add_cppflags -D__builtin_memset=memset

  4796.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4797.     add_cflags   -pds=48    # incompatible redefinition of macro

  4798. fi

  4799. 

  4800. if enabled_all ccc libc_glibc; then

  4801.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4802. fi

  4803. 

  4804. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4805.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4806. 

  4807. esc(){

  4808.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4809. }

  4810. 

  4811. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4812. 

  4813. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4814. 

  4815. set_default libdir

  4816. : ${shlibdir_default:="$libdir"}

  4817. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4818. 

  4819. set_default $PATHS_LIST

  4820. set_default nm

  4821. 

  4822. # we need to build at least one lib type

  4823. if ! enabled_any static shared; then

  4824.     cat <<EOF

  4825. At least one library type must be built.

  4826. Specify --enable-static to build the static libraries or --enable-shared to

  4827. build the shared libraries as well. To only build the shared libraries specify

  4828. --disable-static in addition to --enable-shared.

  4829. EOF

  4830.     exit 1;

  4831. fi

  4832. 

  4833. die_license_disabled() {

  4834.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4835. }

  4836. 

  4837. die_license_disabled_gpl() {

  4838.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4839. }

  4840. 

  4841. die_license_disabled gpl frei0r

  4842. die_license_disabled gpl libcdio

  4843. die_license_disabled gpl librubberband

  4844. die_license_disabled gpl libsmbclient

  4845. die_license_disabled gpl libutvideo

  4846. die_license_disabled gpl libvidstab

  4847. die_license_disabled gpl libx264

  4848. die_license_disabled gpl libx265

  4849. die_license_disabled gpl libxavs

  4850. die_license_disabled gpl libxvid

  4851. die_license_disabled gpl libzvbi

  4852. die_license_disabled gpl x11grab

  4853. 

  4854. die_license_disabled nonfree libaacplus

  4855. die_license_disabled nonfree libfaac

  4856. die_license_disabled nonfree nvenc

  4857. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4858. enabled gpl && die_license_disabled_gpl nonfree openssl

  4859. 

  4860. die_license_disabled version3 gmp

  4861. die_license_disabled version3 libopencore_amrnb

  4862. die_license_disabled version3 libopencore_amrwb

  4863. die_license_disabled version3 libsmbclient

  4864. die_license_disabled version3 libvo_aacenc

  4865. die_license_disabled version3 libvo_amrwbenc

  4866. 

  4867. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4868. 

  4869. disabled optimizations || check_cflags -fomit-frame-pointer

  4870. 

  4871. enable_weak_pic() {

  4872.     disabled pic && return

  4873.     enable pic

  4874.     add_cppflags -DPIC

  4875.     case "$target_os" in

  4876.     mingw*|cygwin*)

  4877.         ;;

  4878.     *)

  4879.         add_cflags -fPIC

  4880.         ;;

  4881.     esac

  4882.     add_asflags  -fPIC

  4883. }

  4884. 

  4885. enabled pic && enable_weak_pic

  4886. 

  4887. check_cc <<EOF || die "Symbol mangling check failed."

  4888. int ff_extern;

  4889. EOF

  4890. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4891. extern_prefix=${sym%%ff_extern*}

  4892. 

  4893. check_cc <<EOF && enable_weak inline_asm

  4894. void foo(void) { __asm__ volatile ("" ::); }

  4895. EOF

  4896. 

  4897. _restrict=

  4898. for restrict_keyword in restrict __restrict__ __restrict; do

  4899.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4900. void foo(char * $restrict_keyword p);

  4901. EOF

  4902. done

  4903. 

  4904. check_cc <<EOF && enable pragma_deprecated

  4905. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4906. EOF

  4907. 

  4908. check_cc <<EOF && enable attribute_packed

  4909. struct { int x; } __attribute__((packed)) x;

  4910. EOF

  4911. 

  4912. check_cc <<EOF && enable attribute_may_alias

  4913. union { int x; } __attribute__((may_alias)) x;

  4914. EOF

  4915. 

  4916. check_cc <<EOF || die "endian test failed"

  4917. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4918. EOF

  4919. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4920. 

  4921. if ! enabled ppc64 || enabled bigendian; then

  4922.     disable vsx

  4923. fi

  4924. 

  4925. check_gas() {

  4926.     log "check_gas using '$as' as AS"

  4927.     # :vararg is used on aarch64, arm and ppc altivec

  4928.     check_as <<EOF || return 1

  4929. .macro m n, y:vararg=0

  4930. \n: .int \y

  4931. .endm

  4932. m x

  4933. EOF

  4934.     # .altmacro is only used in arm asm

  4935.     ! enabled arm || check_as <<EOF || return 1

  4936. .altmacro

  4937. EOF

  4938.     enable gnu_as

  4939.     return 0

  4940. }

  4941. 

  4942. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4943.     nogas=:

  4944.     enabled_any arm aarch64 && nogas=die

  4945.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4946.     as_noop=-v

  4947. 

  4948.     case $as_type in

  4949.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4950.         gcc)  gaspp_as_type=gas ;;

  4951.         *)    gaspp_as_type=$as_type ;;

  4952.     esac

  4953. 

  4954.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4955. 

  4956.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4957.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4958.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4959. 

  4960.     if ! check_gas ; then

  4961.         as=${gas:=$as}

  4962.         check_gas || \

  4963.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4964.     fi

  4965. 

  4966.     check_as <<EOF && enable as_func

  4967. .func test

  4968. .endfunc

  4969. EOF

  4970. fi

  4971. 

  4972. check_inline_asm inline_asm_labels '"1:\n"'

  4973. 

  4974. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4975. 

  4976. if enabled aarch64; then

  4977.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4978.     # internal assembler in clang 3.3 does not support this instruction

  4979.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4980.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4981. 

  4982.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4983. 

  4984. elif enabled alpha; then

  4985. 

  4986.     check_cflags -mieee

  4987. 

  4988. elif enabled arm; then

  4989. 

  4990.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4991. 

  4992.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4993. float func(float a, float b){ return a+b; }

  4994. EOF

  4995. 

  4996.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4997. 

  4998.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4999.         enable vfp_args

  5000.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5001.         enable vfp_args

  5002.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5003.         case "${cross_prefix:-$cc}" in

  5004.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5005.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5006. __asm__ (".eabi_attribute 28, 1");

  5007. int main(void) { return 0; }

  5008. EOF

  5009.         esac

  5010.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5011.     fi

  5012. 

  5013.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5014.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5015.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5016.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5017.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5018.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5019.     enabled setend  && check_insn setend  'setend be'

  5020. 

  5021.     [ $target_os = linux ] || [ $target_os = android ] ||

  5022.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5023.             $ARCH_EXT_LIST_ARM

  5024. 

  5025.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5026. 

  5027.     check_as <<EOF && enable as_dn_directive

  5028. ra .dn d0.i16

  5029. .unreq ra

  5030. EOF

  5031. 

  5032.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5033.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5034. .object_arch armv4

  5035. EOF

  5036. 

  5037.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5038. 

  5039. elif enabled mips; then

  5040. 

  5041.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5042.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5043.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5044. 

  5045.     # Enable minimum ISA based on selected options

  5046.     if enabled mips64 && (enabled mipsdsp || enabled mipsdspr2); then

  5047.         add_cflags "-mips64r2"

  5048.         add_asflags "-mips64r2"

  5049.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  5050.         add_cflags "-mips64"

  5051.         add_asflags "-mips64"

  5052.     elif enabled mipsdsp || enabled mipsdspr2; then

  5053.         add_cflags "-mips32r2 -mfp32"

  5054.         add_asflags "-mips32r2 -mfp32"

  5055.     fi

  5056. 

  5057.     enabled mipsdsp && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  5058.      check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"'

  5059.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  5060.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  5061.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  5062.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  5063.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  5064.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  5065. 

  5066.     enabled msa && add_asflags "-mmsa"

  5067. 

  5068. elif enabled parisc; then

  5069. 

  5070.     if enabled gcc; then

  5071.         case $($cc -dumpversion) in

  5072.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5073.         esac

  5074.     fi

  5075. 

  5076. elif enabled ppc; then

  5077. 

  5078.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5079. 

  5080.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5081.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5082.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5083.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5084. 

  5085.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5086.     if enabled altivec; then

  5087.         check_cflags -maltivec -mabi=altivec &&

  5088.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5089.         check_cflags -faltivec

  5090. 

  5091.         # check if our compiler supports Motorola AltiVec C API

  5092.         check_cc <<EOF || disable altivec

  5093. $inc_altivec_h

  5094. int main(void) {

  5095.     vector signed int v1 = (vector signed int) { 0 };

  5096.     vector signed int v2 = (vector signed int) { 1 };

  5097.     v1 = vec_add(v1, v2);

  5098.     return 0;

  5099. }

  5100. EOF

  5101. 

  5102.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5103.     fi

  5104. 

  5105.     if enabled vsx; then

  5106.         check_cflags -mvsx &&

  5107.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5108.     fi

  5109. 

  5110.     if enabled power8; then

  5111.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5112.     fi

  5113. 

  5114. elif enabled x86; then

  5115. 

  5116.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5117.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5118. 

  5119.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5120. 

  5121.     # check whether EBP is available on x86

  5122.     # As 'i' is stored on the stack, this program will crash

  5123.     # if the base pointer is used to access it because the

  5124.     # base pointer is cleared in the inline assembly code.

  5125.     check_exec_crash <<EOF && enable ebp_available

  5126. volatile int i=0;

  5127. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5128. return i;

  5129. EOF

  5130. 

  5131.     # check whether EBX is available on x86

  5132.     check_inline_asm ebx_available '""::"b"(0)' &&

  5133.         check_inline_asm ebx_available '"":::"%ebx"'

  5134. 

  5135.     # check whether xmm clobbers are supported

  5136.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5137. 

  5138.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5139.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5140. 

  5141.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5142.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5143.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5144. 

  5145.     if ! disabled_any asm mmx yasm; then

  5146.         if check_cmd $yasmexe --version; then

  5147.             enabled x86_64 && yasm_extra="-m amd64"

  5148.             yasm_debug="-g dwarf2"

  5149.         elif check_cmd nasm -v; then

  5150.             yasmexe=nasm

  5151.             yasm_debug="-g -F dwarf"

  5152.             if enabled x86_64; then

  5153.                 case "$objformat" in

  5154.                     elf)   objformat=elf64 ;;

  5155.                     win32) objformat=win64 ;;

  5156.                 esac

  5157.             fi

  5158.         fi

  5159. 

  5160.         YASMFLAGS="-f $objformat $yasm_extra"

  5161.         enabled pic               && append YASMFLAGS "-DPIC"

  5162.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5163.         case "$objformat" in

  5164.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5165.         esac

  5166. 

  5167.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5168.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5169.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5170.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5171.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5172.         check_yasm "CPU amdnop" || disable cpunop

  5173.     fi

  5174. 

  5175.     case "$cpu" in

  5176.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5177.             disable fast_clz

  5178.         ;;

  5179.     esac

  5180. 

  5181. fi

  5182. 

  5183. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5184. 

  5185. check_ldflags -Wl,--as-needed

  5186. check_ldflags -Wl,-z,noexecstack

  5187. 

  5188. if check_func dlopen; then

  5189.     ldl=

  5190. elif check_func dlopen -ldl; then

  5191.     ldl=-ldl

  5192. fi

  5193. 

  5194. frei0r_filter_extralibs='$ldl'

  5195. frei0r_src_filter_extralibs='$ldl'

  5196. ladspa_filter_extralibs='$ldl'

  5197. nvenc_encoder_extralibs='$ldl'

  5198. 

  5199. if ! disabled network; then

  5200.     check_func getaddrinfo $network_extralibs

  5201.     check_func inet_aton $network_extralibs

  5202. 

  5203.     check_type netdb.h "struct addrinfo"

  5204.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5205.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5206.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5207.     check_type poll.h "struct pollfd"

  5208.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5209.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5210.     check_type netinet/in.h "struct sockaddr_in6"

  5211.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5212.     check_type "sys/types.h sys/socket.h" socklen_t

  5213. 

  5214.     # Prefer arpa/inet.h over winsock2

  5215.     if check_header arpa/inet.h ; then

  5216.         check_func closesocket

  5217.     elif check_header winsock2.h ; then

  5218.         check_func_headers winsock2.h closesocket -lws2 &&

  5219.             network_extralibs="-lws2" ||

  5220.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5221.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5222.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5223. 

  5224.         check_type ws2tcpip.h socklen_t

  5225.         check_type ws2tcpip.h "struct addrinfo"

  5226.         check_type ws2tcpip.h "struct group_source_req"

  5227.         check_type ws2tcpip.h "struct ip_mreq_source"

  5228.         check_type ws2tcpip.h "struct ipv6_mreq"

  5229.         check_type winsock2.h "struct pollfd"

  5230.         check_struct winsock2.h "struct sockaddr" sa_len

  5231.         check_type ws2tcpip.h "struct sockaddr_in6"

  5232.         check_type ws2tcpip.h "struct sockaddr_storage"

  5233.     else

  5234.         disable network

  5235.     fi

  5236. fi

  5237. 

  5238. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5239. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5240. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5241. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5242. check_builtin sarestart signal.h "SA_RESTART"

  5243. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5244. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5245. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5246. 

  5247. case "$custom_allocator" in

  5248.     jemalloc)

  5249.         # jemalloc by default does not use a prefix

  5250.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5251.     ;;

  5252.     tcmalloc)

  5253.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5254.         malloc_prefix=tc_

  5255.     ;;

  5256. esac

  5257. 

  5258. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5259. check_func  ${malloc_prefix}memalign            && enable memalign

  5260. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5261. 

  5262. check_func  access

  5263. check_func  arc4random

  5264. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5265. check_func  fcntl

  5266. check_func  fork

  5267. check_func  gethrtime

  5268. check_func  getopt

  5269. check_func  getrusage

  5270. check_func  gettimeofday

  5271. check_func  isatty

  5272. check_func  mach_absolute_time

  5273. check_func  mkstemp

  5274. check_func  mmap

  5275. check_func  mprotect

  5276. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5277. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5278. check_func  sched_getaffinity

  5279. check_func  setrlimit

  5280. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5281. check_func  strerror_r

  5282. check_func  sysconf

  5283. check_func  sysctl

  5284. check_func  usleep

  5285. 

  5286. check_func_headers conio.h kbhit

  5287. check_func_headers io.h setmode

  5288. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5289. check_func_headers stdlib.h getenv

  5290. check_func_headers sys/stat.h lstat

  5291. 

  5292. check_func_headers windows.h CoTaskMemFree -lole32

  5293. check_func_headers windows.h GetProcessAffinityMask

  5294. check_func_headers windows.h GetProcessTimes

  5295. check_func_headers windows.h GetSystemTimeAsFileTime

  5296. check_func_headers windows.h MapViewOfFile

  5297. check_func_headers windows.h PeekNamedPipe

  5298. check_func_headers windows.h SetConsoleTextAttribute

  5299. check_func_headers windows.h SetConsoleCtrlHandler

  5300. check_func_headers windows.h Sleep

  5301. check_func_headers windows.h VirtualAlloc

  5302. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5303. check_func_headers glob.h glob

  5304. enabled xlib &&

  5305.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5306. 

  5307. check_header direct.h

  5308. check_header dirent.h

  5309. check_header dlfcn.h

  5310. check_header d3d11.h

  5311. check_header dxva.h

  5312. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5313. check_header io.h

  5314. check_header libcrystalhd/libcrystalhd_if.h

  5315. check_header mach/mach_time.h

  5316. check_header malloc.h

  5317. check_header net/udplite.h

  5318. check_header poll.h

  5319. check_header sys/mman.h

  5320. check_header sys/param.h

  5321. check_header sys/resource.h

  5322. check_header sys/select.h

  5323. check_header sys/time.h

  5324. check_header sys/un.h

  5325. check_header termios.h

  5326. check_header unistd.h

  5327. check_header valgrind/valgrind.h

  5328. check_header vdpau/vdpau.h

  5329. check_header vdpau/vdpau_x11.h

  5330. check_header VideoDecodeAcceleration/VDADecoder.h

  5331. check_header VideoToolbox/VideoToolbox.h

  5332. check_header windows.h

  5333. check_header X11/extensions/XvMClib.h

  5334. check_header asm/types.h

  5335. 

  5336. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5337. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5338. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5339. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5340. 

  5341. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5342. 

  5343. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5344. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5345. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5346. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5347. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5348. 

  5349. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5350. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5351. 

  5352. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5353. 

  5354. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5355. 

  5356. if ! disabled w32threads && ! enabled pthreads; then

  5357.     check_func_headers "windows.h process.h" _beginthreadex &&

  5358.         enable w32threads || disable w32threads

  5359.     if ! enabled w32threads && enabled winrt; then

  5360.         check_func_headers "windows.h" CreateThread &&

  5361.             enable w32threads || disable w32threads

  5362.     fi

  5363. fi

  5364. 

  5365. # check for some common methods of building with pthread support

  5366. # do this before the optional library checks as some of them require pthreads

  5367. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5368.     enable pthreads

  5369.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5370.         add_cflags -pthread

  5371.         add_extralibs -pthread

  5372.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5373.         add_cflags -pthreads

  5374.         add_extralibs -pthreads

  5375.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5376.         add_cflags -ldl -pthread

  5377.         add_extralibs -ldl -pthread

  5378.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5379.         add_extralibs -lpthreadGC2

  5380.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5381.         :

  5382.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5383.         disable pthreads

  5384.     fi

  5385.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5386. fi

  5387. 

  5388. 

  5389. if enabled pthreads; then

  5390.   check_func pthread_cancel

  5391. fi

  5392. 

  5393. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5394. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5395. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5396. 

  5397. check_lib math.h sin -lm && LIBM="-lm"

  5398. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5399. 

  5400. atan2f_args=2

  5401. copysign_args=2

  5402. hypot_args=2

  5403. ldexpf_args=2

  5404. powf_args=2

  5405. 

  5406. for func in $MATH_FUNCS; do

  5407.     eval check_mathfunc $func \${${func}_args:-1}

  5408. done

  5409. 

  5410. for func in $COMPLEX_FUNCS; do

  5411.     eval check_complexfunc $func \${${func}_args:-1}

  5412. done

  5413. 

  5414. # these are off by default, so fail if requested and not available

  5415. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5416. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5417.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5418. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5419.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5420.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5421. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5422. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5423. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5424. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5425. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5426. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5427. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5428. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5429. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5430. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5431. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5432. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5433.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5434.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5435. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5436. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5437. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5438. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5439.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5440.                                  warn "using libfdk without pkg-config"; } }

  5441. 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"

  5442. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5443. enabled fontconfig        && enable libfontconfig

  5444. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5445. enabled libfreetype       && require_libfreetype

  5446. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5447. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5448. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5449.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5450.                                done || die "ERROR: libgsm not found"; }

  5451. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5452. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.7.1" kvazaar.h kvz_api_get

  5453. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5454. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5455. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5456. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5457. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5458. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5459. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5460. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5461. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5462.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5463.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5464.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5465.                                die "ERROR: libopenjpeg not found"; }

  5466. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5467. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5468. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5469. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5470. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5471. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5472. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5473. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5474.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5475. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5476. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5477. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5478. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5479. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5480. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5481. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5482.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5483.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5484. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5485. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5486. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5487. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5488. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5489. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5490. 

  5491. enabled libvpx            && {

  5492.     enabled libvpx_vp8_decoder && {

  5493.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5494.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5495.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5496.     }

  5497.     enabled libvpx_vp8_encoder && {

  5498.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5499.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5500.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5501.     }

  5502.     enabled libvpx_vp9_decoder && {

  5503.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5504.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5505.                 disable libvpx_vp9_decoder;

  5506.     }

  5507.     enabled libvpx_vp9_encoder && {

  5508.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5509.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5510.                 disable libvpx_vp9_encoder;

  5511.     }

  5512.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5513.         die "libvpx enabled but no supported decoders found"

  5514.     fi

  5515. }

  5516. 

  5517. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5518. enabled libwebp           && {

  5519.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5520.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5521. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5522.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5523.                                  warn "using libx264 without pkg-config"; } } &&

  5524.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5525.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5526.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5527.                                enable libx262; }

  5528. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5529.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5530.                                die "ERROR: libx265 version must be >= 57."; }

  5531. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5532. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5533. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5534. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5535. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5536. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5537.                                 { ! enabled cross_compile && {

  5538.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5539.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5540.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5541.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5542.                                die "ERROR: mmal not found"; }

  5543. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5544. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5545.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5546.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5547.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5548. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5549.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5550.                                die "ERROR: openal not found"; } &&

  5551.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5552.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5553. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5554.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5555.                                die "ERROR: opencl not found"; } &&

  5556.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5557.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5558.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5559. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5560.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5561.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5562.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5563.                                die "ERROR: opengl not found."

  5564.                              }

  5565. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5566.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5567.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5568.                                die "ERROR: openssl not found"; }

  5569. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5570. 

  5571. # libdc1394 check

  5572. if enabled libdc1394; then

  5573.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5574.         enable libdc1394_2; } ||

  5575.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5576.         enable libdc1394_1; } ||

  5577.     die "ERROR: No version of libdc1394 found "

  5578. fi

  5579. 

  5580. if enabled gcrypt; then

  5581.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5582.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5583.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5584.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5585.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5586.             die "ERROR: gcrypt not found"

  5587.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5588.     else

  5589.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5590.     fi

  5591. fi

  5592. 

  5593. if ! disabled sdl; then

  5594.     SDL_CONFIG="${cross_prefix}sdl-config"

  5595.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5596.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5597.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5598.         enable sdl

  5599.     else

  5600.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5601.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5602.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5603.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5604.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5605.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5606.             enable sdl

  5607.         elif enabled sdl ; then

  5608.             die "ERROR: SDL not found"

  5609.         else

  5610.             disable sdl

  5611.         fi

  5612.     fi

  5613.     if test $target_os = "mingw32"; then

  5614.         sdl_libs="$sdl_libs -mconsole"

  5615.     fi

  5616. fi

  5617. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5618. 

  5619. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5620.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5621.     enable securetransport; }

  5622. 

  5623. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5624.                        enable schannel && add_extralibs -lSecur32; }

  5625. 

  5626. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5627. enabled makeinfo \

  5628.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5629.     && enable makeinfo_html || disable makeinfo_html

  5630. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5631. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5632. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5633. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5634. 

  5635. check_header linux/fb.h

  5636. check_header linux/videodev.h

  5637. check_header linux/videodev2.h

  5638. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5639. 

  5640. check_header sys/videoio.h

  5641. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5642. 

  5643. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5644. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5645. # w32api 3.12 had it defined wrong

  5646. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5647. 

  5648. check_type "dshow.h" IBaseFilter

  5649. 

  5650. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5651. { check_header dev/bktr/ioctl_meteor.h &&

  5652.   check_header dev/bktr/ioctl_bt848.h; } ||

  5653. { check_header machine/ioctl_meteor.h &&

  5654.   check_header machine/ioctl_bt848.h; } ||

  5655. { check_header dev/video/meteor/ioctl_meteor.h &&

  5656.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5657. check_header dev/ic/bt8xx.h

  5658. 

  5659. check_header sndio.h

  5660. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5661.     enable_safe sys/soundcard.h

  5662. else

  5663.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5664.     #include <sys/soundcard.h>

  5665.     audio_buf_info abc;

  5666. EOF

  5667. fi

  5668. check_header soundcard.h

  5669. 

  5670. enabled_any alsa_indev alsa_outdev &&

  5671.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5672. 

  5673. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5674.     check_func jack_port_get_latency_range -ljack

  5675. 

  5676. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5677. 

  5678. if enabled libcdio; then

  5679.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5680.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5681.     die "ERROR: No usable libcdio/cdparanoia found"

  5682. fi

  5683. 

  5684. enabled xlib &&

  5685.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5686. 

  5687. if ! disabled libxcb; then

  5688.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5689.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5690.     } && disable x11grab && enable libxcb

  5691. 

  5692. if enabled libxcb; then

  5693.     disabled libxcb_shm || {

  5694.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5695.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5696.         } && check_header sys/shm.h && enable libxcb_shm; }

  5697. 

  5698.     disabled libxcb_xfixes || {

  5699.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5700.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5701.         } && enable libxcb_xfixes; }

  5702. 

  5703.     disabled libxcb_shape || {

  5704.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5705.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5706.         } && enable libxcb_shape; }

  5707. 

  5708.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5709.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5710. fi

  5711. fi

  5712. 

  5713. if enabled x11grab; then

  5714.     enabled xlib || die "ERROR: Xlib not found"

  5715.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5716.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5717. fi

  5718. 

  5719. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5720. 

  5721. enabled dxva2api_h &&

  5722.     check_cc <<EOF && enable dxva2api_cobj

  5723. #define _WIN32_WINNT 0x0600

  5724. #define COBJMACROS

  5725. #include <windows.h>

  5726. #include <d3d9.h>

  5727. #include <dxva2api.h>

  5728. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5729. EOF

  5730. 

  5731. enabled vaapi &&

  5732.     check_lib va/va.h vaInitialize -lva ||

  5733.     disable vaapi

  5734. 

  5735. enabled vaapi && enabled xlib &&

  5736.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5737.     enable vaapi_x11

  5738. 

  5739. enabled vdpau &&

  5740.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5741.     disable vdpau

  5742. 

  5743. enabled vdpau && enabled xlib &&

  5744.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5745.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5746.     enable vdpau_x11

  5747. 

  5748. # Funny iconv installations are not unusual, so check it after all flags have been set

  5749. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5750. 

  5751. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5752. 

  5753. # add some useful compiler flags if supported

  5754. check_cflags -Wdeclaration-after-statement

  5755. check_cflags -Wall

  5756. check_cflags -Wdisabled-optimization

  5757. check_cflags -Wpointer-arith

  5758. check_cflags -Wredundant-decls

  5759. check_cflags -Wwrite-strings

  5760. check_cflags -Wtype-limits

  5761. check_cflags -Wundef

  5762. check_cflags -Wmissing-prototypes

  5763. check_cflags -Wno-pointer-to-int-cast

  5764. check_cflags -Wstrict-prototypes

  5765. check_cflags -Wempty-body

  5766. enabled extra_warnings && check_cflags -Winline

  5767. enabled extra_warnings && check_cflags -Wcast-qual

  5768. 

  5769. check_disable_warning(){

  5770.     warning_flag=-W${1#-Wno-}

  5771.     test_cflags $warning_flag && add_cflags $1

  5772. }

  5773. 

  5774. check_disable_warning -Wno-parentheses

  5775. check_disable_warning -Wno-switch

  5776. check_disable_warning -Wno-format-zero-length

  5777. check_disable_warning -Wno-pointer-sign

  5778. 

  5779. # add some linker flags

  5780. check_ldflags -Wl,--warn-common

  5781. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5782. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5783. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5784. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5785. 

  5786. # add some strip flags

  5787. # -wN '..@*' is more selective than -x, but not available everywhere.

  5788. check_stripflags -wN \'..@*\' || check_stripflags -x

  5789. 

  5790. enabled neon_clobber_test &&

  5791.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5792.                   -Wl,--wrap,avcodec_decode_audio4      \

  5793.                   -Wl,--wrap,avcodec_decode_video2      \

  5794.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5795.                   -Wl,--wrap,avcodec_encode_audio2      \

  5796.                   -Wl,--wrap,avcodec_encode_video2      \

  5797.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5798.                   -Wl,--wrap,swr_convert                \

  5799.                   -Wl,--wrap,avresample_convert ||

  5800.     disable neon_clobber_test

  5801. 

  5802. enabled xmm_clobber_test &&

  5803.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5804.                   -Wl,--wrap,avcodec_decode_audio4      \

  5805.                   -Wl,--wrap,avcodec_decode_video2      \

  5806.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5807.                   -Wl,--wrap,avcodec_encode_audio2      \

  5808.                   -Wl,--wrap,avcodec_encode_video2      \

  5809.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5810.                   -Wl,--wrap,swr_convert                \

  5811.                   -Wl,--wrap,avresample_convert         \

  5812.                   -Wl,--wrap,sws_scale ||

  5813.     disable xmm_clobber_test

  5814. 

  5815. echo "X { local: *; };" > $TMPV

  5816. if test_ldflags -Wl,--version-script,$TMPV; then

  5817.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5818. elif test_ldflags -Wl,-M,$TMPV; then

  5819.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5820. fi

  5821. 

  5822. check_cc <<EOF && enable symver_asm_label

  5823. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5824. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5825. EOF

  5826.     check_cc <<EOF && enable symver_gnu_asm

  5827. __asm__(".symver ff_foo,av_foo@VERSION");

  5828. void ff_foo(void) {}

  5829. EOF

  5830. 

  5831. if [ -z "$optflags" ]; then

  5832.     if enabled small; then

  5833.         optflags=$cflags_size

  5834.     elif enabled optimizations; then

  5835.         optflags=$cflags_speed

  5836.     else

  5837.         optflags=$cflags_noopt

  5838.     fi

  5839. fi

  5840. 

  5841. check_optflags(){

  5842.     check_cflags "$@"

  5843.     enabled lto && check_ldflags "$@"

  5844. }

  5845. 

  5846. 

  5847. if enabled lto; then

  5848.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5849.     check_cflags  -flto

  5850.     check_ldflags -flto $cpuflags

  5851.     disable inline_asm_direct_symbol_refs

  5852. fi

  5853. 

  5854. check_optflags $optflags

  5855. check_optflags -fno-math-errno

  5856. check_optflags -fno-signed-zeros

  5857. 

  5858. enabled ftrapv && check_cflags -ftrapv

  5859. 

  5860. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5861. int x;

  5862. EOF

  5863. 

  5864. 

  5865. if enabled icc; then

  5866.     # Just warnings, no remarks

  5867.     check_cflags -w1

  5868.     # -wd: Disable following warnings

  5869.     # 144, 167, 556: -Wno-pointer-sign

  5870.     # 188: enumerated type mixed with another type

  5871.     # 1292: attribute "foo" ignored

  5872.     # 1419: external declaration in primary source file

  5873.     # 10006: ignoring unknown option -fno-signed-zeros

  5874.     # 10148: ignoring unknown option -Wno-parentheses

  5875.     # 10156: ignoring option '-W'; no argument required

  5876.     # 13200: No EMMS instruction before call to function

  5877.     # 13203: No EMMS instruction before return from function

  5878.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5879.     # 11030: Warning unknown option --as-needed

  5880.     # 10156: ignoring option '-export'; no argument required

  5881.     check_ldflags -wd10156,11030

  5882.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5883.     enable ebp_available

  5884.     # The test above does not test linking

  5885.     enabled lto && disable symver_asm_label

  5886.     if enabled x86_32; then

  5887.         icc_version=$($cc -dumpversion)

  5888.         test ${icc_version%%.*} -ge 11 &&

  5889.             check_cflags -falign-stack=maintain-16-byte ||

  5890.             disable aligned_stack

  5891.     fi

  5892. elif enabled ccc; then

  5893.     # disable some annoying warnings

  5894.     add_cflags -msg_disable bitnotint

  5895.     add_cflags -msg_disable mixfuncvoid

  5896.     add_cflags -msg_disable nonstandcast

  5897.     add_cflags -msg_disable unsupieee

  5898. elif enabled gcc; then

  5899.     check_optflags -fno-tree-vectorize

  5900.     check_cflags -Werror=format-security

  5901.     check_cflags -Werror=implicit-function-declaration

  5902.     check_cflags -Werror=missing-prototypes

  5903.     check_cflags -Werror=return-type

  5904.     check_cflags -Werror=vla

  5905.     check_cflags -Wformat

  5906.     check_cflags -fdiagnostics-color=auto

  5907.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5908. elif enabled llvm_gcc; then

  5909.     check_cflags -mllvm -stack-alignment=16

  5910. elif enabled clang; then

  5911.     check_cflags -mllvm -stack-alignment=16

  5912.     check_cflags -Qunused-arguments

  5913.     check_cflags -Werror=implicit-function-declaration

  5914.     check_cflags -Werror=missing-prototypes

  5915.     check_cflags -Werror=return-type

  5916. elif enabled cparser; then

  5917.     add_cflags -Wno-missing-variable-declarations

  5918.     add_cflags -Wno-empty-statement

  5919. elif enabled armcc; then

  5920.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5921.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5922.     # 2523: use of inline assembly is deprecated

  5923.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5924.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5925.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5926.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5927.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5928.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5929. elif enabled tms470; then

  5930.     add_cflags -pds=824 -pds=837

  5931.     disable inline_asm

  5932. elif enabled pathscale; then

  5933.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5934. elif enabled_any msvc icl; then

  5935.     enabled x86_32 && disable aligned_stack

  5936.     enabled_all x86_32 debug && add_cflags -Oy-

  5937.     enabled debug && add_ldflags -debug

  5938.     enable pragma_deprecated

  5939.     if enabled icl; then

  5940.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5941.         # (correctly) on icl 13.x.

  5942.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5943.             add_cflags -Qansi-alias

  5944.         # Some inline asm is not compilable in debug

  5945.         if enabled debug; then

  5946.             disable ebp_available

  5947.             disable ebx_available

  5948.         fi

  5949.     fi

  5950.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5951.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5952.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5953.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5954.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5955.     # MSVC 2013 and newer can handle it fine.

  5956.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5957.     # happens in config.h.

  5958.     if [ $_restrict != restrict ]; then

  5959.         check_cc <<EOF || add_cflags -FIstdlib.h

  5960. __declspec($_restrict) void* foo(int);

  5961. EOF

  5962.     fi

  5963.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5964. fi

  5965. 

  5966. for pfx in "" host_; do

  5967.     varname=${pfx%_}cc_type

  5968.     eval "type=\$$varname"

  5969.     if [ $type = "msvc" ]; then

  5970.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5971. static inline int foo(int a) { return a; }

  5972. EOF

  5973.     fi

  5974. done

  5975. 

  5976. case $as_type in

  5977.     clang)

  5978.         add_asflags -Qunused-arguments

  5979.     ;;

  5980. esac

  5981. 

  5982. case $ld_type in

  5983.     clang)

  5984.         check_ldflags -Qunused-arguments

  5985.     ;;

  5986. esac

  5987. 

  5988. case $target_os in

  5989.     osf1)

  5990.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5991.     ;;

  5992.     plan9)

  5993.         add_cppflags -Dmain=plan9_main

  5994.     ;;

  5995. esac

  5996. 

  5997. enable frame_thread_encoder

  5998. 

  5999. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6000. 

  6001. check_deps $CONFIG_LIST       \

  6002.            $CONFIG_EXTRA      \

  6003.            $HAVE_LIST         \

  6004.            $ALL_COMPONENTS    \

  6005. 

  6006. 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"

  6007. 

  6008. 

  6009. if test $target_os = "haiku"; then

  6010.     disable memalign

  6011.     disable posix_memalign

  6012. fi

  6013. 

  6014. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6015.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6016.     enable dxva2_lib

  6017. 

  6018. ! enabled_any memalign posix_memalign aligned_malloc &&

  6019.     enabled simd_align_16 && enable memalign_hack

  6020. 

  6021. # add_dep lib dep

  6022. # -> enable ${lib}_deps_${dep}

  6023. # -> add $dep to ${lib}_deps only once

  6024. add_dep() {

  6025.     lib=$1

  6026.     dep=$2

  6027.     enabled "${lib}_deps_${dep}" && return 0

  6028.     enable  "${lib}_deps_${dep}"

  6029.     prepend "${lib}_deps" $dep

  6030. }

  6031. 

  6032. # merge deps lib components

  6033. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6034. merge_deps() {

  6035.     lib=$1

  6036.     shift

  6037.     for comp in $*; do

  6038.         enabled $comp || continue

  6039.         eval "dep=\"\$${comp}_deps\""

  6040.         for d in $dep; do

  6041.             add_dep $lib $d

  6042.         done

  6043.     done

  6044. }

  6045. 

  6046. merge_deps libavfilter $FILTER_LIST

  6047. 

  6048. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6049. 

  6050. for thread in $THREADS_LIST; do

  6051.     if enabled $thread; then

  6052.         test -n "$thread_type" &&

  6053.             die "ERROR: Only one thread type must be selected." ||

  6054.             thread_type="$thread"

  6055.     fi

  6056. done

  6057. 

  6058. enabled zlib && add_cppflags -DZLIB_CONST

  6059. 

  6060. # conditional library dependencies, in linking order

  6061. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6062. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6063. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6064. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6065. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6066. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6067. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6068. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6069. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6070. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6071. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6072. enabled pan_filter          && prepend avfilter_deps "swresample"

  6073. enabled pp_filter           && prepend avfilter_deps "postproc"

  6074. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6075. enabled resample_filter && prepend avfilter_deps "avresample"

  6076. enabled sab_filter          && prepend avfilter_deps "swscale"

  6077. enabled scale_filter    && prepend avfilter_deps "swscale"

  6078. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6079. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6080. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6081. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6082. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6083. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6084. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6085. 

  6086. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6087. 

  6088. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6089. 

  6090. expand_deps(){

  6091.     lib_deps=${1}_deps

  6092.     eval "deps=\$$lib_deps"

  6093.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6094.     unique $lib_deps

  6095. }

  6096. 

  6097. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6098. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6099. 

  6100. map 'expand_deps $v' $LIBRARY_LIST

  6101. 

  6102. echo "install prefix            $prefix"

  6103. echo "source path               $source_path"

  6104. echo "C compiler                $cc"

  6105. echo "C library                 $libc_type"

  6106. if test "$host_cc" != "$cc"; then

  6107.     echo "host C compiler           $host_cc"

  6108.     echo "host C library            $host_libc_type"

  6109. fi

  6110. echo "ARCH                      $arch ($cpu)"

  6111. if test "$build_suffix" != ""; then

  6112.     echo "build suffix              $build_suffix"

  6113. fi

  6114. if test "$progs_suffix" != ""; then

  6115.     echo "progs suffix              $progs_suffix"

  6116. fi

  6117. if test "$extra_version" != ""; then

  6118.     echo "version string suffix     $extra_version"

  6119. fi

  6120. echo "big-endian                ${bigendian-no}"

  6121. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6122. if enabled x86; then

  6123.     echo "${yasmexe}                      ${yasm-no}"

  6124.     echo "MMX enabled               ${mmx-no}"

  6125.     echo "MMXEXT enabled            ${mmxext-no}"

  6126.     echo "3DNow! enabled            ${amd3dnow-no}"

  6127.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6128.     echo "SSE enabled               ${sse-no}"

  6129.     echo "SSSE3 enabled             ${ssse3-no}"

  6130.     echo "AESNI enabled             ${aesni-no}"

  6131.     echo "AVX enabled               ${avx-no}"

  6132.     echo "XOP enabled               ${xop-no}"

  6133.     echo "FMA3 enabled              ${fma3-no}"

  6134.     echo "FMA4 enabled              ${fma4-no}"

  6135.     echo "i686 features enabled     ${i686-no}"

  6136.     echo "CMOV is fast              ${fast_cmov-no}"

  6137.     echo "EBX available             ${ebx_available-no}"

  6138.     echo "EBP available             ${ebp_available-no}"

  6139. fi

  6140. if enabled aarch64; then

  6141.     echo "NEON enabled              ${neon-no}"

  6142.     echo "VFP enabled               ${vfp-no}"

  6143. fi

  6144. if enabled arm; then

  6145.     echo "ARMv5TE enabled           ${armv5te-no}"

  6146.     echo "ARMv6 enabled             ${armv6-no}"

  6147.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6148.     echo "VFP enabled               ${vfp-no}"

  6149.     echo "NEON enabled              ${neon-no}"

  6150.     echo "THUMB enabled             ${thumb-no}"

  6151. fi

  6152. if enabled mips; then

  6153.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6154.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6155.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6156.     echo "MIPS MSA enabled          ${msa-no}"

  6157.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6158. fi

  6159. if enabled ppc; then

  6160.     echo "AltiVec enabled           ${altivec-no}"

  6161.     echo "VSX enabled               ${vsx-no}"

  6162.     echo "POWER8 enabled            ${power8-no}"

  6163.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6164.     echo "dcbzl available           ${dcbzl-no}"

  6165. fi

  6166. echo "debug symbols             ${debug-no}"

  6167. echo "strip symbols             ${stripping-no}"

  6168. echo "optimize for size         ${small-no}"

  6169. echo "optimizations             ${optimizations-no}"

  6170. echo "static                    ${static-no}"

  6171. echo "shared                    ${shared-no}"

  6172. echo "postprocessing support    ${postproc-no}"

  6173. echo "new filter support        ${avfilter-no}"

  6174. echo "network support           ${network-no}"

  6175. echo "threading support         ${thread_type-no}"

  6176. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6177. echo "SDL support               ${sdl-no}"

  6178. echo "opencl enabled            ${opencl-no}"

  6179. echo "texi2html enabled         ${texi2html-no}"

  6180. echo "perl enabled              ${perl-no}"

  6181. echo "pod2man enabled           ${pod2man-no}"

  6182. echo "makeinfo enabled          ${makeinfo-no}"

  6183. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6184. test -n "$random_seed" &&

  6185.     echo "random seed               ${random_seed}"

  6186. echo

  6187. 

  6188. echo "Enabled programs:"

  6189. print_enabled '' $PROGRAM_LIST | print_in_columns

  6190. echo

  6191. 

  6192. echo "External libraries:"

  6193. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6194. echo

  6195. 

  6196. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6197.     echo "Enabled ${type}s:"

  6198.     eval list=\$$(toupper $type)_LIST

  6199.     print_enabled '_*' $list | print_in_columns

  6200.     echo

  6201. done

  6202. 

  6203. license="LGPL version 2.1 or later"

  6204. if enabled nonfree; then

  6205.     license="nonfree and unredistributable"

  6206. elif enabled gplv3; then

  6207.     license="GPL version 3 or later"

  6208. elif enabled lgplv3; then

  6209.     license="LGPL version 3 or later"

  6210. elif enabled gpl; then

  6211.     license="GPL version 2 or later"

  6212. fi

  6213. 

  6214. echo "License: $license"

  6215. 

  6216. echo "Creating config.mak, config.h, and doc/config.texi..."

  6217. 

  6218. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6219. 

  6220. enabled stripping || strip="echo skipping strip"

  6221. 

  6222. config_files="$TMPH config.mak doc/config.texi"

  6223. 

  6224. cat > config.mak <<EOF

  6225. # Automatically generated by configure - do not modify!

  6226. ifndef FFMPEG_CONFIG_MAK

  6227. FFMPEG_CONFIG_MAK=1

  6228. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6229. prefix=$prefix

  6230. LIBDIR=\$(DESTDIR)$libdir

  6231. SHLIBDIR=\$(DESTDIR)$shlibdir

  6232. INCDIR=\$(DESTDIR)$incdir

  6233. BINDIR=\$(DESTDIR)$bindir

  6234. DATADIR=\$(DESTDIR)$datadir

  6235. DOCDIR=\$(DESTDIR)$docdir

  6236. MANDIR=\$(DESTDIR)$mandir

  6237. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6238. SRC_PATH=$source_path

  6239. ifndef MAIN_MAKEFILE

  6240. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6241. endif

  6242. CC_IDENT=$cc_ident

  6243. ARCH=$arch

  6244. INTRINSICS=$intrinsics

  6245. CC=$cc

  6246. CXX=$cxx

  6247. AS=$as

  6248. OBJCC=$objcc

  6249. LD=$ld

  6250. DEPCC=$dep_cc

  6251. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6252. DEPAS=$as

  6253. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6254. YASM=$yasmexe

  6255. DEPYASM=$yasmexe

  6256. AR=$ar

  6257. ARFLAGS=$arflags

  6258. AR_O=$ar_o

  6259. RANLIB=$ranlib

  6260. STRIP=$strip

  6261. CP=cp -p

  6262. LN_S=$ln_s

  6263. CPPFLAGS=$CPPFLAGS

  6264. CFLAGS=$CFLAGS

  6265. CXXFLAGS=$CXXFLAGS

  6266. OBJCFLAGS=$OBJCFLAGS

  6267. ASFLAGS=$ASFLAGS

  6268. AS_C=$AS_C

  6269. AS_O=$AS_O

  6270. OBJCC_C=$OBJCC_C

  6271. OBJCC_E=$OBJCC_E

  6272. OBJCC_O=$OBJCC_O

  6273. CC_C=$CC_C

  6274. CC_E=$CC_E

  6275. CC_O=$CC_O

  6276. CXX_C=$CXX_C

  6277. CXX_O=$CXX_O

  6278. LD_O=$LD_O

  6279. LD_LIB=$LD_LIB

  6280. LD_PATH=$LD_PATH

  6281. DLLTOOL=$dlltool

  6282. WINDRES=$windres

  6283. DEPWINDRES=$dep_cc

  6284. DOXYGEN=$doxygen

  6285. LDFLAGS=$LDFLAGS

  6286. LDEXEFLAGS=$LDEXEFLAGS

  6287. LDLIBFLAGS=$LDLIBFLAGS

  6288. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6289. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6290. YASMFLAGS=$YASMFLAGS

  6291. BUILDSUF=$build_suffix

  6292. PROGSSUF=$progs_suffix

  6293. FULLNAME=$FULLNAME

  6294. LIBPREF=$LIBPREF

  6295. LIBSUF=$LIBSUF

  6296. LIBNAME=$LIBNAME

  6297. SLIBPREF=$SLIBPREF

  6298. SLIBSUF=$SLIBSUF

  6299. EXESUF=$EXESUF

  6300. EXTRA_VERSION=$extra_version

  6301. CCDEP=$CCDEP

  6302. CXXDEP=$CXXDEP

  6303. CCDEP_FLAGS=$CCDEP_FLAGS

  6304. ASDEP=$ASDEP

  6305. ASDEP_FLAGS=$ASDEP_FLAGS

  6306. CC_DEPFLAGS=$CC_DEPFLAGS

  6307. AS_DEPFLAGS=$AS_DEPFLAGS

  6308. HOSTCC=$host_cc

  6309. HOSTLD=$host_ld

  6310. HOSTCFLAGS=$host_cflags

  6311. HOSTCPPFLAGS=$host_cppflags

  6312. HOSTEXESUF=$HOSTEXESUF

  6313. HOSTLDFLAGS=$host_ldflags

  6314. HOSTLIBS=$host_libs

  6315. DEPHOSTCC=$host_cc

  6316. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6317. HOSTCCDEP=$HOSTCCDEP

  6318. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6319. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6320. HOSTCC_C=$HOSTCC_C

  6321. HOSTCC_O=$HOSTCC_O

  6322. HOSTLD_O=$HOSTLD_O

  6323. TARGET_EXEC=$target_exec $target_exec_args

  6324. TARGET_PATH=$target_path

  6325. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6326. CFLAGS-ffplay=$sdl_cflags

  6327. ZLIB=$($ldflags_filter -lz)

  6328. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6329. EXTRALIBS=$extralibs

  6330. COMPAT_OBJS=$compat_objs

  6331. EXEOBJS=$exeobjs

  6332. INSTALL=$install

  6333. LIBTARGET=${LIBTARGET}

  6334. SLIBNAME=${SLIBNAME}

  6335. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6336. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6337. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6338. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6339. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6340. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6341. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6342. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6343. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6344. NOREDZONE_FLAGS=$noredzone_flags

  6345. EOF

  6346. 

  6347. get_version(){

  6348.     lcname=lib${1}

  6349.     name=$(toupper $lcname)

  6350.     file=$source_path/$lcname/version.h

  6351.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6352.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6353.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6354.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6355.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6356.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6357. }

  6358. 

  6359. map 'get_version $v' $LIBRARY_LIST

  6360. 

  6361. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6362. 

  6363. print_program_libs(){

  6364.     eval "program_libs=\$${1}_libs"

  6365.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6366. }

  6367. 

  6368. map 'print_program_libs $v' $PROGRAM_LIST

  6369. 

  6370. cat > $TMPH <<EOF

  6371. /* Automatically generated by configure - do not modify! */

  6372. #ifndef FFMPEG_CONFIG_H

  6373. #define FFMPEG_CONFIG_H

  6374. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6375. #define FFMPEG_LICENSE "$(c_escape $license)"

  6376. #define CONFIG_THIS_YEAR 2016

  6377. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6378. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6379. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6380. #define av_restrict $_restrict

  6381. #define EXTERN_PREFIX "${extern_prefix}"

  6382. #define EXTERN_ASM ${extern_prefix}

  6383. #define BUILDSUF "$build_suffix"

  6384. #define SLIBSUF "$SLIBSUF"

  6385. #define HAVE_MMX2 HAVE_MMXEXT

  6386. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6387. EOF

  6388. 

  6389. test -n "$assert_level" &&

  6390.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6391. 

  6392. test -n "$malloc_prefix" &&

  6393.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6394. 

  6395. if enabled yasm; then

  6396.     append config_files $TMPASM

  6397.     printf '' >$TMPASM

  6398. fi

  6399. 

  6400. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6401. 

  6402. 

  6403. mkdir -p doc

  6404. mkdir -p tests

  6405. mkdir -p tests/api

  6406. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6407. 

  6408. print_config ARCH_   "$config_files" $ARCH_LIST

  6409. print_config HAVE_   "$config_files" $HAVE_LIST

  6410. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6411.                                      $CONFIG_EXTRA      \

  6412.                                      $ALL_COMPONENTS    \

  6413. 

  6414. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6415. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6416. 

  6417. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6418. cp_if_changed $TMPH config.h

  6419. touch .config

  6420. 

  6421. enabled yasm && cp_if_changed $TMPASM config.asm

  6422. 

  6423. cat > $TMPH <<EOF

  6424. /* Generated by ffconf */

  6425. #ifndef AVUTIL_AVCONFIG_H

  6426. #define AVUTIL_AVCONFIG_H

  6427. EOF

  6428. 

  6429. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6430. 

  6431. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6432. 

  6433. cp_if_changed $TMPH libavutil/avconfig.h

  6434. 

  6435. if test -n "$WARNINGS"; then

  6436.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6437.     enabled fatal_warnings && exit 1

  6438. fi

  6439. 

  6440. # build pkg-config files

  6441. 

  6442. lib_version(){

  6443.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6444. }

  6445. 

  6446. pkgconfig_generate(){

  6447.     name=$1

  6448.     shortname=${name#lib}${build_suffix}

  6449.     comment=$2

  6450.     version=$3

  6451.     libs=$4

  6452.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6453.     requires=${requires%, }

  6454.     enabled ${name#lib} || return 0

  6455.     mkdir -p $name

  6456.     cat <<EOF > $name/$name${build_suffix}.pc

  6457. prefix=$prefix

  6458. exec_prefix=\${prefix}

  6459. libdir=$libdir

  6460. includedir=$incdir

  6461. 

  6462. Name: $name

  6463. Description: $comment

  6464. Version: $version

  6465. Requires: $(enabled shared || echo $requires)

  6466. Requires.private: $(enabled shared && echo $requires)

  6467. Conflicts:

  6468. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6469. Libs.private: $(enabled shared && echo $libs)

  6470. Cflags: -I\${includedir}

  6471. EOF

  6472. 

  6473. mkdir -p doc/examples/pc-uninstalled

  6474. includedir=${source_path}

  6475. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6476.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6477. prefix=

  6478. exec_prefix=

  6479. libdir=\${pcfiledir}/../../../$name

  6480. includedir=${includedir}

  6481. 

  6482. Name: $name

  6483. Description: $comment

  6484. Version: $version

  6485. Requires: $requires

  6486. Conflicts:

  6487. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6488. Cflags: -I\${includedir}

  6489. EOF

  6490. }

  6491. 

  6492. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6493. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6494. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6495. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6496. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6497. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6498. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6499. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6500. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"