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FFmpeg
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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

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

  95. 

  96. Licensing options:

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

  98.                            and binaries will be under GPL [no]

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

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

  101.                            and binaries will be unredistributable [no]

  102. 

  103. Configuration options:

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

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

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

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

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

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

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

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

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

  113. 

  114. Program options:

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

  116.   --disable-ffmpeg         disable ffmpeg build

  117.   --disable-ffplay         disable ffplay build

  118.   --disable-ffprobe        disable ffprobe build

  119.   --disable-ffserver       disable ffserver build

  120. 

  121. Documentation options:

  122.   --disable-doc            do not build documentation

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

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

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

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

  127. 

  128. Component options:

  129.   --disable-avdevice       disable libavdevice build

  130.   --disable-avcodec        disable libavcodec build

  131.   --disable-avformat       disable libavformat build

  132.   --disable-swresample     disable libswresample build

  133.   --disable-swscale        disable libswscale build

  134.   --disable-postproc       disable libpostproc build

  135.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  141.   --disable-dct            disable DCT code

  142.   --disable-dwt            disable DWT code

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

  144.   --disable-lsp            disable LSP code

  145.   --disable-lzo            disable LZO decoder code

  146.   --disable-mdct           disable MDCT code

  147.   --disable-rdft           disable RDFT code

  148.   --disable-fft            disable FFT code

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

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

  151. 

  152. Hardware accelerators:

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

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

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

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

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

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

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

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

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

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

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

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

  208.                            if openssl is not used [no]

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

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

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

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

  213.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  220.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  236.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  261.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  279.   --enable-mediacodec      enable Android MediaCodec 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.   --disable-videotoolbox   disable VideoToolbox code [autodetect]

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

  295.   --disable-xlib           disable xlib [autodetect]

  296.   --disable-zlib           disable zlib [autodetect]

  297. 

  298. Toolchain options:

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

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

  301.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  349. 

  350. Advanced options (experts only):

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

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

  353.   --disable-symver         disable symbol versioning

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

  355.   --disable-safe-bitstream-reader

  356.                            disable buffer boundary checking in bitreaders

  357.                            (faster, but may crash)

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

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

  360. 

  361. Optimization options (experts only):

  362.   --disable-asm            disable all assembly optimizations

  363.   --disable-altivec        disable AltiVec optimizations

  364.   --disable-vsx            disable VSX optimizations

  365.   --disable-power8         disable POWER8 optimizations

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

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

  368.   --disable-mmx            disable MMX optimizations

  369.   --disable-mmxext         disable MMXEXT optimizations

  370.   --disable-sse            disable SSE optimizations

  371.   --disable-sse2           disable SSE2 optimizations

  372.   --disable-sse3           disable SSE3 optimizations

  373.   --disable-ssse3          disable SSSE3 optimizations

  374.   --disable-sse4           disable SSE4 optimizations

  375.   --disable-sse42          disable SSE4.2 optimizations

  376.   --disable-avx            disable AVX optimizations

  377.   --disable-xop            disable XOP optimizations

  378.   --disable-fma3           disable FMA3 optimizations

  379.   --disable-fma4           disable FMA4 optimizations

  380.   --disable-avx2           disable AVX2 optimizations

  381.   --disable-aesni          disable AESNI optimizations

  382.   --disable-armv5te        disable armv5te optimizations

  383.   --disable-armv6          disable armv6 optimizations

  384.   --disable-armv6t2        disable armv6t2 optimizations

  385.   --disable-vfp            disable VFP optimizations

  386.   --disable-neon           disable NEON optimizations

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

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

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

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

  391.   --disable-msa            disable MSA optimizations

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

  393.   --disable-mmi            disable Loongson SIMD optimizations

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

  395. 

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

  397.   --disable-debug          disable debugging symbols

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

  399.   --disable-optimizations  disable compiler optimizations

  400.   --enable-extra-warnings  enable more compiler warnings

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

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

  403.                            2 causes a slowdown at runtime.

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

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

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

  407.                            Cannot be combined with --target-exec

  408.   --enable-ftrapv          Trap arithmetic overflows

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

  410.                            \$FATE_SAMPLES at make invocation time.

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

  412.                            used only for debugging purposes)

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

  414.                            should be used only for debugging purposes)

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

  416.   --disable-random

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

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

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

  420.                            (group) and PROB the probability associated with

  421.                            NAME (default 0.5).

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

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

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

  425. 

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

  427. EOF

  428.   exit 0

  429. }

  430. 

  431. quotes='""'

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

  433.     ncolors=$(tput colors)

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

  435.         bold_color=$(tput bold)

  436.         warn_color=$(tput setaf 3)

  437.         error_color=$(tput setaf 1)

  438.         reset_color=$(tput sgr0)

  439.     fi

  440.     # 72 used instead of 80 since that's the default of pr

  441.     ncols=$(tput cols)

  442. fi

  443. : ${ncols:=72}

  444. 

  445. log(){

  446.     echo "$@" >> $logfile

  447. }

  448. 

  449. log_file(){

  450.     log BEGIN $1

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

  452.     log END $1

  453. }

  454. 

  455. warn(){

  456.     log "WARNING: $*"

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

  458. }

  459. 

  460. die(){

  461.     log "$@"

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

  463.     cat <<EOF

  464. 

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

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

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

  468. EOF

  469.     if disabled logging; then

  470.         cat <<EOF

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

  472. include the log this produces with your report.

  473. EOF

  474.     else

  475.         cat <<EOF

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

  477. solve the problem.

  478. EOF

  479.     fi

  480.     exit 1

  481. }

  482. 

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

  484. toupper(){

  485.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  486. }

  487. 

  488. tolower(){

  489.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  490. }

  491. 

  492. c_escape(){

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

  494. }

  495. 

  496. sh_quote(){

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

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

  499.     echo "$v"

  500. }

  501. 

  502. cleanws(){

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

  504. }

  505. 

  506. filter(){

  507.     pat=$1

  508.     shift

  509.     for v; do

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

  511.     done

  512. }

  513. 

  514. filter_out(){

  515.     pat=$1

  516.     shift

  517.     for v; do

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

  519.     done

  520. }

  521. 

  522. map(){

  523.     m=$1

  524.     shift

  525.     for v; do eval $m; done

  526. }

  527. 

  528. add_suffix(){

  529.     suffix=$1

  530.     shift

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

  532. }

  533. 

  534. set_all(){

  535.     value=$1

  536.     shift

  537.     for var in $*; do

  538.         eval $var=$value

  539.     done

  540. }

  541. 

  542. set_weak(){

  543.     value=$1

  544.     shift

  545.     for var; do

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

  547.     done

  548. }

  549. 

  550. sanitize_var_name(){

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

  552. }

  553. 

  554. set_safe(){

  555.     var=$1

  556.     shift

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

  558. }

  559. 

  560. get_safe(){

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

  562. }

  563. 

  564. pushvar(){

  565.     for pvar in $*; do

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

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

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

  569.     done

  570. }

  571. 

  572. popvar(){

  573.     for pvar in $*; do

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

  575.         test $level = 0 && continue

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

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

  578.         eval ${pvar}_level=$level

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

  580.     done

  581. }

  582. 

  583. enable(){

  584.     set_all yes $*

  585. }

  586. 

  587. disable(){

  588.     set_all no $*

  589. }

  590. 

  591. enable_weak(){

  592.     set_weak yes $*

  593. }

  594. 

  595. disable_weak(){

  596.     set_weak no $*

  597. }

  598. 

  599. enable_safe(){

  600.     for var; do

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

  602.     done

  603. }

  604. 

  605. disable_safe(){

  606.     for var; do

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

  608.     done

  609. }

  610. 

  611. do_enable_deep(){

  612.     for var; do

  613.         enabled $var && continue

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

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

  616.         pushvar var sgs

  617.         enable_deep $sel

  618.         popvar sgs

  619.         enable_deep_weak $sgs

  620.         popvar var

  621.     done

  622. }

  623. 

  624. enable_deep(){

  625.     do_enable_deep $*

  626.     enable $*

  627. }

  628. 

  629. enable_deep_weak(){

  630.     for var; do

  631.         disabled $var && continue

  632.         pushvar var

  633.         do_enable_deep $var

  634.         popvar var

  635.         enable_weak $var

  636.     done

  637. }

  638. 

  639. enabled(){

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

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

  642. }

  643. 

  644. disabled(){

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

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

  647. }

  648. 

  649. enabled_all(){

  650.     for opt; do

  651.         enabled $opt || return 1

  652.     done

  653. }

  654. 

  655. disabled_all(){

  656.     for opt; do

  657.         disabled $opt || return 1

  658.     done

  659. }

  660. 

  661. enabled_any(){

  662.     for opt; do

  663.         enabled $opt && return 0

  664.     done

  665. }

  666. 

  667. disabled_any(){

  668.     for opt; do

  669.         disabled $opt && return 0

  670.     done

  671.     return 1

  672. }

  673. 

  674. set_default(){

  675.     for opt; do

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

  677.     done

  678. }

  679. 

  680. is_in(){

  681.     value=$1

  682.     shift

  683.     for var in $*; do

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

  685.     done

  686.     return 1

  687. }

  688. 

  689. do_check_deps(){

  690.     for cfg; do

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

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

  693.         disabled ${cfg}_checking && continue

  694.         enable ${cfg}_checking

  695.         append allopts $cfg

  696. 

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

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

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

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

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

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

  703. 

  704.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  706.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  707. 

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

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

  710.         enabled_all  $dep_all || disable $cfg

  711.         enabled_any  $dep_any || disable $cfg

  712.         disabled_any $dep_sel && disable $cfg

  713. 

  714.         if enabled $cfg; then

  715.             enable_deep $dep_sel

  716.             enable_deep_weak $dep_sgs

  717.         fi

  718. 

  719.         disable ${cfg}_checking

  720.     done

  721. }

  722. 

  723. check_deps(){

  724.     unset allopts

  725. 

  726.     do_check_deps "$@"

  727. 

  728.     for cfg in $allopts; do

  729.         enabled $cfg || continue

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

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

  732.     done

  733. }

  734. 

  735. print_config(){

  736.     pfx=$1

  737.     files=$2

  738.     shift 2

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

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

  741.         {

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

  743.             v = \$2;

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

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

  746.             for (f in files) {

  747.                 file = files[f];

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

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

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

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

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

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

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

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

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

  757.                     yesno = \$2;

  758.                     c2 = tolower(c);

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

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

  761.                 }

  762.             }

  763.         }"

  764. }

  765. 

  766. print_enabled(){

  767.     suf=$1

  768.     shift

  769.     for v; do

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

  771.     done

  772. }

  773. 

  774. append(){

  775.     var=$1

  776.     shift

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

  778. }

  779. 

  780. prepend(){

  781.     var=$1

  782.     shift

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

  784. }

  785. 

  786. unique(){

  787.     var=$1

  788.     uniq_list=""

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

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

  791.     done

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

  793. }

  794. 

  795. add_cppflags(){

  796.     append CPPFLAGS "$@"

  797. }

  798. 

  799. add_cflags(){

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

  801. }

  802. 

  803. add_cxxflags(){

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

  805. }

  806. 

  807. add_asflags(){

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

  809. }

  810. 

  811. add_objcflags(){

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

  813. }

  814. 

  815. add_ldflags(){

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

  817. }

  818. 

  819. add_ldexeflags(){

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

  821. }

  822. 

  823. add_ldlibflags(){

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

  825. }

  826. 

  827. add_stripflags(){

  828.     append ASMSTRIPFLAGS "$@"

  829. }

  830. 

  831. add_extralibs(){

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

  833. }

  834. 

  835. add_host_cppflags(){

  836.     append host_cppflags "$@"

  837. }

  838. 

  839. add_host_cflags(){

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

  841. }

  842. 

  843. add_host_ldflags(){

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

  845. }

  846. 

  847. add_compat(){

  848.     append compat_objs $1

  849.     shift

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

  851. }

  852. 

  853. check_cmd(){

  854.     log "$@"

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

  856. }

  857. 

  858. check_stat(){

  859.     log check_stat "$@"

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

  861. }

  862. 

  863. cc_o(){

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

  865. }

  866. 

  867. cc_e(){

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

  869. }

  870. 

  871. check_cc(){

  872.     log check_cc "$@"

  873.     cat > $TMPC

  874.     log_file $TMPC

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

  876. }

  877. 

  878. check_cxx(){

  879.     log check_cxx "$@"

  880.     cat > $TMPCPP

  881.     log_file $TMPCPP

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

  883. }

  884. 

  885. check_objcc(){

  886.     log check_objcc "$@"

  887.     cat > $TMPM

  888.     log_file $TMPM

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

  890. }

  891. 

  892. check_cpp(){

  893.     log check_cpp "$@"

  894.     cat > $TMPC

  895.     log_file $TMPC

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

  897. }

  898. 

  899. as_o(){

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

  901. }

  902. 

  903. check_as(){

  904.     log check_as "$@"

  905.     cat > $TMPS

  906.     log_file $TMPS

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

  908. }

  909. 

  910. check_inline_asm(){

  911.     log check_inline_asm "$@"

  912.     name="$1"

  913.     code="$2"

  914.     shift 2

  915.     disable $name

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

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

  918. EOF

  919. }

  920. 

  921. check_inline_asm_flags(){

  922.     log check_inline_asm_flags "$@"

  923.     name="$1"

  924.     code="$2"

  925.     flags=''

  926.     shift 2

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

  928.       append flags $1

  929.       shift

  930.     done;

  931.     disable $name

  932.     cat > $TMPC <<EOF

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

  934. EOF

  935.     log_file $TMPC

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

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

  938. }

  939. 

  940. check_insn(){

  941.     log check_insn "$@"

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

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

  944. }

  945. 

  946. check_yasm(){

  947.     log check_yasm "$@"

  948.     echo "$1" > $TMPS

  949.     log_file $TMPS

  950.     shift 1

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

  952. }

  953. 

  954. ld_o(){

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

  956. }

  957. 

  958. check_ld(){

  959.     log check_ld "$@"

  960.     type=$1

  961.     shift 1

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

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

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

  965.     flags=$($ldflags_filter $flags)

  966.     libs=$($ldflags_filter $libs)

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

  968. }

  969. 

  970. print_include(){

  971.     hdr=$1

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

  973.         echo "#include $hdr"    ||

  974.         echo "#include <$hdr>"

  975. }

  976. 

  977. check_code(){

  978.     log check_code "$@"

  979.     check=$1

  980.     headers=$2

  981.     code=$3

  982.     shift 3

  983.     {

  984.         for hdr in $headers; do

  985.             print_include $hdr

  986.         done

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

  988.     } | check_$check "$@"

  989. }

  990. 

  991. check_cppflags(){

  992.     log check_cppflags "$@"

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

  994. int x;

  995. EOF

  996. }

  997. 

  998. test_cflags(){

  999.     log test_cflags "$@"

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

  1001.     check_cc "$@" <<EOF

  1002. int x;

  1003. EOF

  1004. }

  1005. 

  1006. check_cflags(){

  1007.     log check_cflags "$@"

  1008.     test_cflags "$@" && add_cflags "$@"

  1009. }

  1010. 

  1011. check_cxxflags(){

  1012.     log check_cxxflags "$@"

  1013.     set -- $($cflags_filter "$@")

  1014.     check_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1015. int x;

  1016. EOF

  1017. }

  1018. 

  1019. test_objcflags(){

  1020.     log test_cflags "$@"

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

  1022.     check_objcc "$@" <<EOF

  1023. int x;

  1024. EOF

  1025. }

  1026. 

  1027. check_objcflags(){

  1028.     log check_cflags "$@"

  1029.     test_objcflags "$@" && add_objcflags "$@"

  1030. }

  1031. 

  1032. test_ldflags(){

  1033.     log test_ldflags "$@"

  1034.     check_ld "cc" "$@" <<EOF

  1035. int main(void){ return 0; }

  1036. EOF

  1037. }

  1038. 

  1039. check_ldflags(){

  1040.     log check_ldflags "$@"

  1041.     test_ldflags "$@" && add_ldflags "$@"

  1042. }

  1043. 

  1044. test_stripflags(){

  1045.     log test_stripflags "$@"

  1046.     # call check_cc to get a fresh TMPO

  1047.     check_cc <<EOF

  1048. int main(void) { return 0; }

  1049. EOF

  1050.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1051. }

  1052. 

  1053. check_stripflags(){

  1054.     log check_stripflags "$@"

  1055.     test_stripflags "$@" && add_stripflags "$@"

  1056. }

  1057. 

  1058. check_header(){

  1059.     log check_header "$@"

  1060.     header=$1

  1061.     shift

  1062.     disable_safe $header

  1063.     check_cpp "$@" <<EOF && enable_safe $header

  1064. #include <$header>

  1065. int x;

  1066. EOF

  1067. }

  1068. 

  1069. check_header_objcc(){

  1070.     log check_header_objcc "$@"

  1071.     rm -f -- "$TMPO"

  1072.     header=$1

  1073.     shift

  1074.     disable_safe $header

  1075.     {

  1076.        echo "#include <$header>"

  1077.        echo "int main(void) { return 0; }"

  1078.     } | check_objcc && check_stat "$TMPO" && enable_safe $headers

  1079. }

  1080. 

  1081. check_func(){

  1082.     log check_func "$@"

  1083.     func=$1

  1084.     shift

  1085.     disable $func

  1086.     check_ld "cc" "$@" <<EOF && enable $func

  1087. extern int $func();

  1088. int main(void){ $func(); }

  1089. EOF

  1090. }

  1091. 

  1092. check_complexfunc(){

  1093.     log check_complexfunc "$@"

  1094.     func=$1

  1095.     narg=$2

  1096.     shift 2

  1097.     test $narg = 2 && args="f, g" || args="f * I"

  1098.     disable $func

  1099.     check_ld "cc" "$@" <<EOF && enable $func

  1100. #include <complex.h>

  1101. #include <math.h>

  1102. float foo(complex float f, complex float g) { return $func($args); }

  1103. int main(void){ return (int) foo; }

  1104. EOF

  1105. }

  1106. 

  1107. check_mathfunc(){

  1108.     log check_mathfunc "$@"

  1109.     func=$1

  1110.     narg=$2

  1111.     shift 2

  1112.     test $narg = 2 && args="f, g" || args="f"

  1113.     disable $func

  1114.     check_ld "cc" "$@" <<EOF && enable $func

  1115. #include <math.h>

  1116. float foo(float f, float g) { return $func($args); }

  1117. int main(void){ return (int) foo; }

  1118. EOF

  1119. }

  1120. 

  1121. check_func_headers(){

  1122.     log check_func_headers "$@"

  1123.     headers=$1

  1124.     funcs=$2

  1125.     shift 2

  1126.     {

  1127.         for hdr in $headers; do

  1128.             print_include $hdr

  1129.         done

  1130.         for func in $funcs; do

  1131.             echo "long check_$func(void) { return (long) $func; }"

  1132.         done

  1133.         echo "int main(void) { return 0; }"

  1134.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1135. }

  1136. 

  1137. check_class_headers_cpp(){

  1138.     log check_class_headers_cpp "$@"

  1139.     headers=$1

  1140.     classes=$2

  1141.     shift 2

  1142.     {

  1143.         for hdr in $headers; do

  1144.             echo "#include <$hdr>"

  1145.         done

  1146.         echo "int main(void) { "

  1147.         i=1

  1148.         for class in $classes; do

  1149.             echo "$class obj$i;"

  1150.             i=$(expr $i + 1)

  1151.         done

  1152.         echo "return 0; }"

  1153.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1154. }

  1155. 

  1156. check_cpp_condition(){

  1157.     log check_cpp_condition "$@"

  1158.     header=$1

  1159.     condition=$2

  1160.     shift 2

  1161.     check_cpp "$@" <<EOF

  1162. #include <$header>

  1163. #if !($condition)

  1164. #error "unsatisfied condition: $condition"

  1165. #endif

  1166. EOF

  1167. }

  1168. 

  1169. check_lib(){

  1170.     log check_lib "$@"

  1171.     header="$1"

  1172.     func="$2"

  1173.     shift 2

  1174.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1175. }

  1176. 

  1177. check_lib2(){

  1178.     log check_lib2 "$@"

  1179.     headers="$1"

  1180.     funcs="$2"

  1181.     shift 2

  1182.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1183. }

  1184. 

  1185. check_lib_cpp(){

  1186.     log check_lib_cpp "$@"

  1187.     headers="$1"

  1188.     classes="$2"

  1189.     shift 2

  1190.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1191. }

  1192. 

  1193. check_pkg_config(){

  1194.     log check_pkg_config "$@"

  1195.     pkgandversion="$1"

  1196.     pkg="${1%% *}"

  1197.     headers="$2"

  1198.     funcs="$3"

  1199.     shift 3

  1200.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1201.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1202.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1203.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1204.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1205.         set_safe "${pkg}_libs"   $pkg_libs

  1206. }

  1207. 

  1208. check_exec(){

  1209.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1210. }

  1211. 

  1212. check_exec_crash(){

  1213.     code=$(cat)

  1214. 

  1215.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1216.     # are safe but may not be available everywhere.  Thus we use

  1217.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1218.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1219.     # is not defined by standard C so it is used conditionally.

  1220. 

  1221.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1222. #include <signal.h>

  1223. static void sighandler(int sig){

  1224.     raise(SIGTERM);

  1225. }

  1226. int foo(void){

  1227.     $code

  1228. }

  1229. int (*func_ptr)(void) = foo;

  1230. int main(void){

  1231.     signal(SIGILL, sighandler);

  1232.     signal(SIGFPE, sighandler);

  1233.     signal(SIGSEGV, sighandler);

  1234. #ifdef SIGBUS

  1235.     signal(SIGBUS, sighandler);

  1236. #endif

  1237.     return func_ptr();

  1238. }

  1239. EOF

  1240. }

  1241. 

  1242. check_type(){

  1243.     log check_type "$@"

  1244.     headers=$1

  1245.     type=$2

  1246.     shift 2

  1247.     disable_safe "$type"

  1248.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1249. }

  1250. 

  1251. check_struct(){

  1252.     log check_struct "$@"

  1253.     headers=$1

  1254.     struct=$2

  1255.     member=$3

  1256.     shift 3

  1257.     disable_safe "${struct}_${member}"

  1258.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1259.         enable_safe "${struct}_${member}"

  1260. }

  1261. 

  1262. check_builtin(){

  1263.     log check_builtin "$@"

  1264.     name=$1

  1265.     headers=$2

  1266.     builtin=$3

  1267.     shift 3

  1268.     disable "$name"

  1269.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1270. }

  1271. 

  1272. check_compile_assert(){

  1273.     log check_compile_assert "$@"

  1274.     name=$1

  1275.     headers=$2

  1276.     condition=$3

  1277.     shift 3

  1278.     disable "$name"

  1279.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1280. }

  1281. 

  1282. require(){

  1283.     name="$1"

  1284.     header="$2"

  1285.     func="$3"

  1286.     shift 3

  1287.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1288. }

  1289. 

  1290. require2(){

  1291.     name="$1"

  1292.     headers="$2"

  1293.     func="$3"

  1294.     shift 3

  1295.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1296. }

  1297. 

  1298. require_cpp(){

  1299.     name="$1"

  1300.     headers="$2"

  1301.     classes="$3"

  1302.     shift 3

  1303.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1304. }

  1305. 

  1306. use_pkg_config(){

  1307.     pkg="$1"

  1308.     check_pkg_config "$@" || return 1

  1309.     add_cflags    $(get_safe "${pkg}_cflags")

  1310.     add_extralibs $(get_safe "${pkg}_libs")

  1311. }

  1312. 

  1313. require_pkg_config(){

  1314.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1315. }

  1316. 

  1317. require_libfreetype(){

  1318.     log require_libfreetype "$@"

  1319.     pkg="freetype2"

  1320.     check_cmd $pkg_config --exists --print-errors $pkg \

  1321.       || die "ERROR: $pkg not found"

  1322.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1323.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1324.     {

  1325.         echo "#include <ft2build.h>"

  1326.         echo "#include FT_FREETYPE_H"

  1327.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1328.         echo "int main(void) { return 0; }"

  1329.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1330.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1331.       && set_safe "${pkg}_libs"   $pkg_libs \

  1332.       || die "ERROR: $pkg not found"

  1333.     add_cflags    $(get_safe "${pkg}_cflags")

  1334.     add_extralibs $(get_safe "${pkg}_libs")

  1335. }

  1336. 

  1337. hostcc_e(){

  1338.     eval printf '%s\\n' $HOSTCC_E

  1339. }

  1340. 

  1341. hostcc_o(){

  1342.     eval printf '%s\\n' $HOSTCC_O

  1343. }

  1344. 

  1345. check_host_cc(){

  1346.     log check_host_cc "$@"

  1347.     cat > $TMPC

  1348.     log_file $TMPC

  1349.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1350. }

  1351. 

  1352. check_host_cpp(){

  1353.     log check_host_cpp "$@"

  1354.     cat > $TMPC

  1355.     log_file $TMPC

  1356.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1357. }

  1358. 

  1359. check_host_cppflags(){

  1360.     log check_host_cppflags "$@"

  1361.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1362. int x;

  1363. EOF

  1364. }

  1365. 

  1366. check_host_cflags(){

  1367.     log check_host_cflags "$@"

  1368.     set -- $($host_cflags_filter "$@")

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

  1370. int x;

  1371. EOF

  1372. }

  1373. 

  1374. check_host_cpp_condition(){

  1375.     log check_host_cpp_condition "$@"

  1376.     header=$1

  1377.     condition=$2

  1378.     shift 2

  1379.     check_host_cpp "$@" <<EOF

  1380. #include <$header>

  1381. #if !($condition)

  1382. #error "unsatisfied condition: $condition"

  1383. #endif

  1384. EOF

  1385. }

  1386. 

  1387. cp_if_changed(){

  1388.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1389.     mkdir -p "$(dirname $2)"

  1390.     $cp_f "$1" "$2"

  1391. }

  1392. 

  1393. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1394. # system-dependent things.

  1395. 

  1396. AVCODEC_COMPONENTS="

  1397.     bsfs

  1398.     decoders

  1399.     encoders

  1400.     hwaccels

  1401.     parsers

  1402. "

  1403. 

  1404. AVDEVICE_COMPONENTS="

  1405.     indevs

  1406.     outdevs

  1407. "

  1408. AVFILTER_COMPONENTS="

  1409.     filters

  1410. "

  1411. AVFORMAT_COMPONENTS="

  1412.     demuxers

  1413.     muxers

  1414.     protocols

  1415. "

  1416. 

  1417. AVRESAMPLE_COMPONENTS=""

  1418. AVUTIL_COMPONENTS=""

  1419. 

  1420. COMPONENT_LIST="

  1421.     $AVCODEC_COMPONENTS

  1422.     $AVDEVICE_COMPONENTS

  1423.     $AVFILTER_COMPONENTS

  1424.     $AVFORMAT_COMPONENTS

  1425.     $AVRESAMPLE_COMPONENTS

  1426.     $AVUTIL_COMPONENTS

  1427. "

  1428. 

  1429. EXAMPLE_LIST="

  1430.     avio_reading_example

  1431.     avio_dir_cmd_example

  1432.     decoding_encoding_example

  1433.     demuxing_decoding_example

  1434.     extract_mvs_example

  1435.     filter_audio_example

  1436.     filtering_audio_example

  1437.     filtering_video_example

  1438.     metadata_example

  1439.     muxing_example

  1440.     qsvdec_example

  1441.     remuxing_example

  1442.     resampling_audio_example

  1443.     scaling_video_example

  1444.     transcode_aac_example

  1445.     transcoding_example

  1446. "

  1447. 

  1448. EXTERNAL_LIBRARY_LIST="

  1449.     avisynth

  1450.     bzlib

  1451.     chromaprint

  1452.     crystalhd

  1453.     cuda

  1454.     decklink

  1455.     frei0r

  1456.     gcrypt

  1457.     gmp

  1458.     gnutls

  1459.     iconv

  1460.     jni

  1461.     ladspa

  1462.     libass

  1463.     libbluray

  1464.     libbs2b

  1465.     libcaca

  1466.     libcdio

  1467.     libcelt

  1468.     libdc1394

  1469.     libdcadec

  1470.     libfaac

  1471.     libfdk_aac

  1472.     libflite

  1473.     libfontconfig

  1474.     libfreetype

  1475.     libfribidi

  1476.     libgme

  1477.     libgsm

  1478.     libiec61883

  1479.     libilbc

  1480.     libkvazaar

  1481.     libmfx

  1482.     libmodplug

  1483.     libmp3lame

  1484.     libnut

  1485.     libopencore_amrnb

  1486.     libopencore_amrwb

  1487.     libopencv

  1488.     libopenh264

  1489.     libopenjpeg

  1490.     libopus

  1491.     libpulse

  1492.     librtmp

  1493.     librubberband

  1494.     libschroedinger

  1495.     libshine

  1496.     libsmbclient

  1497.     libsnappy

  1498.     libsoxr

  1499.     libspeex

  1500.     libssh

  1501.     libtesseract

  1502.     libtheora

  1503.     libtwolame

  1504.     libutvideo

  1505.     libv4l2

  1506.     libvidstab

  1507.     libvo_amrwbenc

  1508.     libvorbis

  1509.     libvpx

  1510.     libwavpack

  1511.     libwebp

  1512.     libx264

  1513.     libx265

  1514.     libxavs

  1515.     libxcb

  1516.     libxcb_shm

  1517.     libxcb_shape

  1518.     libxcb_xfixes

  1519.     libxvid

  1520.     libzimg

  1521.     libzmq

  1522.     libzvbi

  1523.     lzma

  1524.     mediacodec

  1525.     mmal

  1526.     netcdf

  1527.     nvenc

  1528.     openal

  1529.     opencl

  1530.     opengl

  1531.     openssl

  1532.     schannel

  1533.     sdl

  1534.     securetransport

  1535.     videotoolbox

  1536.     x11grab

  1537.     xlib

  1538.     zlib

  1539. "

  1540. 

  1541. DOCUMENT_LIST="

  1542.     doc

  1543.     htmlpages

  1544.     manpages

  1545.     podpages

  1546.     txtpages

  1547. "

  1548. 

  1549. FEATURE_LIST="

  1550.     ftrapv

  1551.     gray

  1552.     hardcoded_tables

  1553.     runtime_cpudetect

  1554.     safe_bitstream_reader

  1555.     shared

  1556.     small

  1557.     static

  1558.     swscale_alpha

  1559. "

  1560. 

  1561. HWACCEL_LIST="

  1562.     d3d11va

  1563.     dxva2

  1564.     vaapi

  1565.     vda

  1566.     vdpau

  1567.     videotoolbox_hwaccel

  1568.     xvmc

  1569. "

  1570. 

  1571. LIBRARY_LIST="

  1572.     avcodec

  1573.     avdevice

  1574.     avfilter

  1575.     avformat

  1576.     avresample

  1577.     avutil

  1578.     postproc

  1579.     swresample

  1580.     swscale

  1581. "

  1582. 

  1583. LICENSE_LIST="

  1584.     gpl

  1585.     nonfree

  1586.     version3

  1587. "

  1588. 

  1589. PROGRAM_LIST="

  1590.     ffplay

  1591.     ffprobe

  1592.     ffserver

  1593.     ffmpeg

  1594. "

  1595. 

  1596. SUBSYSTEM_LIST="

  1597.     dct

  1598.     dwt

  1599.     error_resilience

  1600.     faan

  1601.     fast_unaligned

  1602.     fft

  1603.     lsp

  1604.     lzo

  1605.     mdct

  1606.     pixelutils

  1607.     network

  1608.     rdft

  1609. "

  1610. 

  1611. CONFIG_LIST="

  1612.     $COMPONENT_LIST

  1613.     $DOCUMENT_LIST

  1614.     $EXAMPLE_LIST

  1615.     $EXTERNAL_LIBRARY_LIST

  1616.     $FEATURE_LIST

  1617.     $HWACCEL_LIST

  1618.     $LICENSE_LIST

  1619.     $LIBRARY_LIST

  1620.     $PROGRAM_LIST

  1621.     $SUBSYSTEM_LIST

  1622.     fontconfig

  1623.     incompatible_libav_abi

  1624.     memalign_hack

  1625.     memory_poisoning

  1626.     neon_clobber_test

  1627.     pic

  1628.     pod2man

  1629.     raise_major

  1630.     thumb

  1631.     valgrind_backtrace

  1632.     xmm_clobber_test

  1633. "

  1634. 

  1635. THREADS_LIST="

  1636.     pthreads

  1637.     os2threads

  1638.     w32threads

  1639. "

  1640. 

  1641. ATOMICS_LIST="

  1642.     atomics_gcc

  1643.     atomics_suncc

  1644.     atomics_win32

  1645. "

  1646. 

  1647. ARCH_LIST="

  1648.     aarch64

  1649.     alpha

  1650.     arm

  1651.     avr32

  1652.     avr32_ap

  1653.     avr32_uc

  1654.     bfin

  1655.     ia64

  1656.     m68k

  1657.     mips

  1658.     mips64

  1659.     parisc

  1660.     ppc

  1661.     ppc64

  1662.     s390

  1663.     sh4

  1664.     sparc

  1665.     sparc64

  1666.     tilegx

  1667.     tilepro

  1668.     tomi

  1669.     x86

  1670.     x86_32

  1671.     x86_64

  1672. "

  1673. 

  1674. ARCH_EXT_LIST_ARM="

  1675.     armv5te

  1676.     armv6

  1677.     armv6t2

  1678.     armv8

  1679.     neon

  1680.     vfp

  1681.     vfpv3

  1682.     setend

  1683. "

  1684. 

  1685. ARCH_EXT_LIST_MIPS="

  1686.     mipsfpu

  1687.     mips32r2

  1688.     mips64r2

  1689.     mips32r6

  1690.     mips64r6

  1691.     mipsdsp

  1692.     mipsdspr2

  1693.     msa

  1694. "

  1695. 

  1696. ARCH_EXT_LIST_LOONGSON="

  1697.     loongson2

  1698.     loongson3

  1699.     mmi

  1700. "

  1701. 

  1702. ARCH_EXT_LIST_X86_SIMD="

  1703.     aesni

  1704.     amd3dnow

  1705.     amd3dnowext

  1706.     avx

  1707.     avx2

  1708.     fma3

  1709.     fma4

  1710.     mmx

  1711.     mmxext

  1712.     sse

  1713.     sse2

  1714.     sse3

  1715.     sse4

  1716.     sse42

  1717.     ssse3

  1718.     xop

  1719. "

  1720. 

  1721. ARCH_EXT_LIST_PPC="

  1722.     altivec

  1723.     dcbzl

  1724.     ldbrx

  1725.     power8

  1726.     ppc4xx

  1727.     vsx

  1728. "

  1729. 

  1730. ARCH_EXT_LIST_X86="

  1731.     $ARCH_EXT_LIST_X86_SIMD

  1732.     cpunop

  1733.     i686

  1734. "

  1735. 

  1736. ARCH_EXT_LIST="

  1737.     $ARCH_EXT_LIST_ARM

  1738.     $ARCH_EXT_LIST_PPC

  1739.     $ARCH_EXT_LIST_X86

  1740.     $ARCH_EXT_LIST_MIPS

  1741.     $ARCH_EXT_LIST_LOONGSON

  1742. "

  1743. 

  1744. ARCH_FEATURES="

  1745.     aligned_stack

  1746.     fast_64bit

  1747.     fast_clz

  1748.     fast_cmov

  1749.     local_aligned_8

  1750.     local_aligned_16

  1751.     local_aligned_32

  1752.     simd_align_16

  1753. "

  1754. 

  1755. BUILTIN_LIST="

  1756.     atomic_cas_ptr

  1757.     atomic_compare_exchange

  1758.     machine_rw_barrier

  1759.     MemoryBarrier

  1760.     mm_empty

  1761.     rdtsc

  1762.     sarestart

  1763.     sem_timedwait

  1764.     sync_val_compare_and_swap

  1765. "

  1766. HAVE_LIST_CMDLINE="

  1767.     inline_asm

  1768.     symver

  1769.     yasm

  1770. "

  1771. 

  1772. HAVE_LIST_PUB="

  1773.     bigendian

  1774.     fast_unaligned

  1775.     incompatible_libav_abi

  1776. "

  1777. 

  1778. HEADERS_LIST="

  1779.     alsa_asoundlib_h

  1780.     altivec_h

  1781.     arpa_inet_h

  1782.     asm_types_h

  1783.     cdio_paranoia_h

  1784.     cdio_paranoia_paranoia_h

  1785.     dispatch_dispatch_h

  1786.     dev_bktr_ioctl_bt848_h

  1787.     dev_bktr_ioctl_meteor_h

  1788.     dev_ic_bt8xx_h

  1789.     dev_video_bktr_ioctl_bt848_h

  1790.     dev_video_meteor_ioctl_meteor_h

  1791.     direct_h

  1792.     dirent_h

  1793.     dlfcn_h

  1794.     d3d11_h

  1795.     dxva_h

  1796.     ES2_gl_h

  1797.     gsm_h

  1798.     io_h

  1799.     mach_mach_time_h

  1800.     machine_ioctl_bt848_h

  1801.     machine_ioctl_meteor_h

  1802.     malloc_h

  1803.     opencv2_core_core_c_h

  1804.     openjpeg_2_1_openjpeg_h

  1805.     openjpeg_2_0_openjpeg_h

  1806.     openjpeg_1_5_openjpeg_h

  1807.     OpenGL_gl3_h

  1808.     poll_h

  1809.     sndio_h

  1810.     soundcard_h

  1811.     sys_mman_h

  1812.     sys_param_h

  1813.     sys_resource_h

  1814.     sys_select_h

  1815.     sys_soundcard_h

  1816.     sys_time_h

  1817.     sys_un_h

  1818.     sys_videoio_h

  1819.     termios_h

  1820.     udplite_h

  1821.     unistd_h

  1822.     valgrind_valgrind_h

  1823.     windows_h

  1824.     winsock2_h

  1825. "

  1826. 

  1827. INTRINSICS_LIST="

  1828.     intrinsics_neon

  1829. "

  1830. 

  1831. COMPLEX_FUNCS="

  1832.     cabs

  1833.     cexp

  1834. "

  1835. 

  1836. MATH_FUNCS="

  1837.     atanf

  1838.     atan2f

  1839.     cbrt

  1840.     cbrtf

  1841.     copysign

  1842.     cosf

  1843.     erf

  1844.     exp2

  1845.     exp2f

  1846.     expf

  1847.     hypot

  1848.     isfinite

  1849.     isinf

  1850.     isnan

  1851.     ldexpf

  1852.     llrint

  1853.     llrintf

  1854.     log2

  1855.     log2f

  1856.     log10f

  1857.     lrint

  1858.     lrintf

  1859.     powf

  1860.     rint

  1861.     round

  1862.     roundf

  1863.     sinf

  1864.     trunc

  1865.     truncf

  1866. "

  1867. 

  1868. SYSTEM_FUNCS="

  1869.     access

  1870.     aligned_malloc

  1871.     arc4random

  1872.     clock_gettime

  1873.     closesocket

  1874.     CommandLineToArgvW

  1875.     CoTaskMemFree

  1876.     CryptGenRandom

  1877.     dlopen

  1878.     fcntl

  1879.     flt_lim

  1880.     fork

  1881.     getaddrinfo

  1882.     gethrtime

  1883.     getopt

  1884.     GetProcessAffinityMask

  1885.     GetProcessMemoryInfo

  1886.     GetProcessTimes

  1887.     getrusage

  1888.     GetSystemTimeAsFileTime

  1889.     gettimeofday

  1890.     glob

  1891.     glXGetProcAddress

  1892.     gmtime_r

  1893.     inet_aton

  1894.     isatty

  1895.     jack_port_get_latency_range

  1896.     kbhit

  1897.     localtime_r

  1898.     lstat

  1899.     lzo1x_999_compress

  1900.     mach_absolute_time

  1901.     MapViewOfFile

  1902.     memalign

  1903.     mkstemp

  1904.     mmap

  1905.     mprotect

  1906.     nanosleep

  1907.     PeekNamedPipe

  1908.     posix_memalign

  1909.     pthread_cancel

  1910.     sched_getaffinity

  1911.     SetConsoleTextAttribute

  1912.     SetConsoleCtrlHandler

  1913.     setmode

  1914.     setrlimit

  1915.     Sleep

  1916.     strerror_r

  1917.     sysconf

  1918.     sysctl

  1919.     usleep

  1920.     UTGetOSTypeFromString

  1921.     VirtualAlloc

  1922.     wglGetProcAddress

  1923. "

  1924. 

  1925. TOOLCHAIN_FEATURES="

  1926.     as_dn_directive

  1927.     as_func

  1928.     as_object_arch

  1929.     asm_mod_q

  1930.     attribute_may_alias

  1931.     attribute_packed

  1932.     ebp_available

  1933.     ebx_available

  1934.     gnu_as

  1935.     gnu_windres

  1936.     ibm_asm

  1937.     inline_asm_direct_symbol_refs

  1938.     inline_asm_labels

  1939.     inline_asm_nonlocal_labels

  1940.     pragma_deprecated

  1941.     rsync_contimeout

  1942.     symver_asm_label

  1943.     symver_gnu_asm

  1944.     vfp_args

  1945.     xform_asm

  1946.     xmm_clobbers

  1947. "

  1948. 

  1949. TYPES_LIST="

  1950.     CONDITION_VARIABLE_Ptr

  1951.     socklen_t

  1952.     struct_addrinfo

  1953.     struct_group_source_req

  1954.     struct_ip_mreq_source

  1955.     struct_ipv6_mreq

  1956.     struct_pollfd

  1957.     struct_rusage_ru_maxrss

  1958.     struct_sctp_event_subscribe

  1959.     struct_sockaddr_in6

  1960.     struct_sockaddr_sa_len

  1961.     struct_sockaddr_storage

  1962.     struct_stat_st_mtim_tv_nsec

  1963.     struct_v4l2_frmivalenum_discrete

  1964. "

  1965. 

  1966. HAVE_LIST="

  1967.     $ARCH_EXT_LIST

  1968.     $(add_suffix _external $ARCH_EXT_LIST)

  1969.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1970.     $ARCH_FEATURES

  1971.     $ATOMICS_LIST

  1972.     $BUILTIN_LIST

  1973.     $COMPLEX_FUNCS

  1974.     $HAVE_LIST_CMDLINE

  1975.     $HAVE_LIST_PUB

  1976.     $HEADERS_LIST

  1977.     $INTRINSICS_LIST

  1978.     $MATH_FUNCS

  1979.     $SYSTEM_FUNCS

  1980.     $THREADS_LIST

  1981.     $TOOLCHAIN_FEATURES

  1982.     $TYPES_LIST

  1983.     atomics_native

  1984.     dos_paths

  1985.     dxva2_lib

  1986.     dxva2api_cobj

  1987.     libc_msvcrt

  1988.     libdc1394_1

  1989.     libdc1394_2

  1990.     makeinfo

  1991.     makeinfo_html

  1992.     perl

  1993.     pod2man

  1994.     sdl

  1995.     section_data_rel_ro

  1996.     texi2html

  1997.     threads

  1998.     vaapi_x11

  1999.     vdpau_x11

  2000.     winrt

  2001.     xlib

  2002. "

  2003. 

  2004. # options emitted with CONFIG_ prefix but not available on the command line

  2005. CONFIG_EXTRA="

  2006.     aandcttables

  2007.     ac3dsp

  2008.     audio_frame_queue

  2009.     audiodsp

  2010.     blockdsp

  2011.     bswapdsp

  2012.     cabac

  2013.     dirac_parse

  2014.     dvprofile

  2015.     exif

  2016.     faandct

  2017.     faanidct

  2018.     fdctdsp

  2019.     flacdsp

  2020.     fmtconvert

  2021.     frame_thread_encoder

  2022.     g722dsp

  2023.     golomb

  2024.     gplv3

  2025.     h263dsp

  2026.     h264chroma

  2027.     h264dsp

  2028.     h264pred

  2029.     h264qpel

  2030.     hpeldsp

  2031.     huffman

  2032.     huffyuvdsp

  2033.     huffyuvencdsp

  2034.     idctdsp

  2035.     iirfilter

  2036.     imdct15

  2037.     intrax8

  2038.     iso_media

  2039.     ividsp

  2040.     jpegtables

  2041.     lgplv3

  2042.     libx262

  2043.     llauddsp

  2044.     llviddsp

  2045.     lpc

  2046.     lzf

  2047.     me_cmp

  2048.     mpeg_er

  2049.     mpegaudio

  2050.     mpegaudiodsp

  2051.     mpegvideo

  2052.     mpegvideoenc

  2053.     mss34dsp

  2054.     pixblockdsp

  2055.     qpeldsp

  2056.     qsv

  2057.     qsvdec

  2058.     qsvenc

  2059.     rangecoder

  2060.     riffdec

  2061.     riffenc

  2062.     rtpdec

  2063.     rtpenc_chain

  2064.     rv34dsp

  2065.     sinewin

  2066.     snappy

  2067.     startcode

  2068.     texturedsp

  2069.     texturedspenc

  2070.     tpeldsp

  2071.     vc1dsp

  2072.     videodsp

  2073.     vp3dsp

  2074.     vp56dsp

  2075.     vp8dsp

  2076.     wma_freqs

  2077.     wmv2dsp

  2078. "

  2079. 

  2080. CMDLINE_SELECT="

  2081.     $ARCH_EXT_LIST

  2082.     $CONFIG_LIST

  2083.     $HAVE_LIST_CMDLINE

  2084.     $THREADS_LIST

  2085.     asm

  2086.     cross_compile

  2087.     debug

  2088.     extra_warnings

  2089.     logging

  2090.     lto

  2091.     optimizations

  2092.     rpath

  2093.     stripping

  2094. "

  2095. 

  2096. PATHS_LIST="

  2097.     bindir

  2098.     datadir

  2099.     docdir

  2100.     incdir

  2101.     libdir

  2102.     mandir

  2103.     pkgconfigdir

  2104.     prefix

  2105.     shlibdir

  2106.     install_name_dir

  2107. "

  2108. 

  2109. CMDLINE_SET="

  2110.     $PATHS_LIST

  2111.     ar

  2112.     arch

  2113.     as

  2114.     assert_level

  2115.     build_suffix

  2116.     cc

  2117.     objcc

  2118.     cpu

  2119.     cross_prefix

  2120.     custom_allocator

  2121.     cxx

  2122.     dep_cc

  2123.     doxygen

  2124.     env

  2125.     extra_version

  2126.     gas

  2127.     host_cc

  2128.     host_cflags

  2129.     host_ld

  2130.     host_ldflags

  2131.     host_libs

  2132.     host_os

  2133.     install

  2134.     ld

  2135.     logfile

  2136.     malloc_prefix

  2137.     nm

  2138.     optflags

  2139.     pkg_config

  2140.     pkg_config_flags

  2141.     progs_suffix

  2142.     random_seed

  2143.     ranlib

  2144.     samples

  2145.     strip

  2146.     sws_max_filter_size

  2147.     sysinclude

  2148.     sysroot

  2149.     target_exec

  2150.     target_os

  2151.     target_path

  2152.     target_samples

  2153.     tempprefix

  2154.     toolchain

  2155.     valgrind

  2156.     yasmexe

  2157. "

  2158. 

  2159. CMDLINE_APPEND="

  2160.     extra_cflags

  2161.     extra_cxxflags

  2162.     extra_objcflags

  2163.     host_cppflags

  2164. "

  2165. 

  2166. # code dependency declarations

  2167. 

  2168. # architecture extensions

  2169. 

  2170. armv5te_deps="arm"

  2171. armv6_deps="arm"

  2172. armv6t2_deps="arm"

  2173. armv8_deps="aarch64"

  2174. neon_deps_any="aarch64 arm"

  2175. intrinsics_neon_deps="neon"

  2176. vfp_deps_any="aarch64 arm"

  2177. vfpv3_deps="vfp"

  2178. setend_deps="arm"

  2179. 

  2180. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2181. 

  2182. mipsfpu_deps="mips"

  2183. mipsdsp_deps="mips"

  2184. mipsdspr2_deps="mips"

  2185. mips32r2_deps="mips"

  2186. mips32r6_deps="mips"

  2187. mips64r2_deps="mips"

  2188. mips64r6_deps="mips"

  2189. msa_deps="mips"

  2190. mmi_deps="mips"

  2191. 

  2192. altivec_deps="ppc"

  2193. dcbzl_deps="ppc"

  2194. ldbrx_deps="ppc"

  2195. ppc4xx_deps="ppc"

  2196. vsx_deps="altivec"

  2197. power8_deps="vsx"

  2198. 

  2199. cpunop_deps="i686"

  2200. x86_64_select="i686"

  2201. x86_64_suggest="fast_cmov"

  2202. 

  2203. amd3dnow_deps="mmx"

  2204. amd3dnowext_deps="amd3dnow"

  2205. i686_deps="x86"

  2206. mmx_deps="x86"

  2207. mmxext_deps="mmx"

  2208. sse_deps="mmxext"

  2209. sse2_deps="sse"

  2210. sse3_deps="sse2"

  2211. ssse3_deps="sse3"

  2212. sse4_deps="ssse3"

  2213. sse42_deps="sse4"

  2214. aesni_deps="sse42"

  2215. avx_deps="sse42"

  2216. xop_deps="avx"

  2217. fma3_deps="avx"

  2218. fma4_deps="avx"

  2219. avx2_deps="avx"

  2220. 

  2221. mmx_external_deps="yasm"

  2222. mmx_inline_deps="inline_asm"

  2223. mmx_suggest="mmx_external mmx_inline"

  2224. 

  2225. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2226.     eval dep=\$${ext}_deps

  2227.     eval ${ext}_external_deps='"${dep}_external"'

  2228.     eval ${ext}_inline_deps='"${dep}_inline"'

  2229.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2230. done

  2231. 

  2232. aligned_stack_if_any="aarch64 ppc x86"

  2233. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2234. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2235. fast_unaligned_if_any="aarch64 ppc x86"

  2236. simd_align_16_if_any="altivec neon sse"

  2237. 

  2238. # system capabilities

  2239. symver_if_any="symver_asm_label symver_gnu_asm"

  2240. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2241. 

  2242. # threading support

  2243. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2244. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2245. atomics_win32_if="MemoryBarrier"

  2246. atomics_native_if_any="$ATOMICS_LIST"

  2247. w32threads_deps="atomics_native"

  2248. threads_if_any="$THREADS_LIST"

  2249. 

  2250. # subsystems

  2251. dct_select="rdft"

  2252. dirac_parse_select="golomb"

  2253. error_resilience_select="me_cmp"

  2254. faandct_deps="faan fdctdsp"

  2255. faanidct_deps="faan idctdsp"

  2256. h264dsp_select="startcode"

  2257. frame_thread_encoder_deps="encoders threads"

  2258. intrax8_select="error_resilience"

  2259. mdct_select="fft"

  2260. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2261. mpeg_er_select="error_resilience"

  2262. mpegaudio_select="mpegaudiodsp"

  2263. mpegaudiodsp_select="dct"

  2264. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2265. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2266. qsvdec_select="qsv"

  2267. qsvenc_select="qsv"

  2268. vc1dsp_select="h264chroma qpeldsp startcode"

  2269. rdft_select="fft"

  2270. 

  2271. # decoders / encoders

  2272. aac_decoder_select="imdct15 mdct sinewin"

  2273. aac_fixed_decoder_select="mdct sinewin"

  2274. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2275. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2276. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2277. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2278. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2279. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2280. adpcm_g722_decoder_select="g722dsp"

  2281. adpcm_g722_encoder_select="g722dsp"

  2282. aic_decoder_select="golomb idctdsp"

  2283. alac_encoder_select="lpc"

  2284. als_decoder_select="bswapdsp"

  2285. amrnb_decoder_select="lsp"

  2286. amrwb_decoder_select="lsp"

  2287. amv_decoder_select="sp5x_decoder exif"

  2288. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2289. ape_decoder_select="bswapdsp llauddsp"

  2290. apng_decoder_select="zlib"

  2291. apng_encoder_select="huffyuvencdsp zlib"

  2292. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2293. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2294. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2295. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2296. atrac1_decoder_select="mdct sinewin"

  2297. atrac3_decoder_select="mdct"

  2298. atrac3p_decoder_select="mdct sinewin"

  2299. avrn_decoder_select="exif jpegtables"

  2300. bink_decoder_select="blockdsp hpeldsp"

  2301. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2302. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2303. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2304. cllc_decoder_select="bswapdsp"

  2305. comfortnoise_encoder_select="lpc"

  2306. cook_decoder_select="audiodsp mdct sinewin"

  2307. cscd_decoder_select="lzo"

  2308. cscd_decoder_suggest="zlib"

  2309. dca_decoder_select="mdct"

  2310. dds_decoder_select="texturedsp"

  2311. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2312. dnxhd_decoder_select="blockdsp idctdsp"

  2313. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2314. dvvideo_decoder_select="dvprofile idctdsp"

  2315. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2316. dxa_decoder_select="zlib"

  2317. dxv_decoder_select="lzf texturedsp"

  2318. eac3_decoder_select="ac3_decoder"

  2319. eac3_encoder_select="ac3_encoder"

  2320. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2321. eatgq_decoder_select="aandcttables"

  2322. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2323. exr_decoder_select="zlib"

  2324. ffv1_decoder_select="golomb rangecoder"

  2325. ffv1_encoder_select="rangecoder"

  2326. ffvhuff_decoder_select="huffyuv_decoder"

  2327. ffvhuff_encoder_select="huffyuv_encoder"

  2328. fic_decoder_select="golomb"

  2329. flac_decoder_select="flacdsp golomb"

  2330. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2331. flashsv2_decoder_select="zlib"

  2332. flashsv2_encoder_select="zlib"

  2333. flashsv_decoder_select="zlib"

  2334. flashsv_encoder_select="zlib"

  2335. flv_decoder_select="h263_decoder"

  2336. flv_encoder_select="h263_encoder"

  2337. fourxm_decoder_select="blockdsp bswapdsp"

  2338. fraps_decoder_select="bswapdsp huffman"

  2339. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2340. g729_decoder_select="audiodsp"

  2341. h261_decoder_select="mpegvideo"

  2342. h261_encoder_select="aandcttables mpegvideoenc"

  2343. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2344. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2345. h263i_decoder_select="h263_decoder"

  2346. h263p_decoder_select="h263_decoder"

  2347. h263p_encoder_select="h263_encoder"

  2348. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"

  2349. h264_decoder_suggest="error_resilience"

  2350. h264_qsv_decoder_deps="libmfx"

  2351. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2352. h264_qsv_encoder_deps="libmfx"

  2353. h264_qsv_encoder_select="qsvenc"

  2354. hap_decoder_select="snappy texturedsp"

  2355. hap_encoder_deps="libsnappy"

  2356. hap_encoder_select="texturedspenc"

  2357. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2358. hevc_qsv_decoder_deps="libmfx"

  2359. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2360. hevc_qsv_encoder_deps="libmfx"

  2361. hevc_qsv_encoder_select="qsvenc"

  2362. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2363. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2364. iac_decoder_select="imc_decoder"

  2365. imc_decoder_select="bswapdsp fft mdct sinewin"

  2366. indeo3_decoder_select="hpeldsp"

  2367. indeo4_decoder_select="ividsp"

  2368. indeo5_decoder_select="ividsp"

  2369. interplay_video_decoder_select="hpeldsp"

  2370. jpegls_decoder_select="golomb mjpeg_decoder"

  2371. jpegls_encoder_select="golomb"

  2372. jv_decoder_select="blockdsp"

  2373. lagarith_decoder_select="huffyuvdsp"

  2374. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2375. loco_decoder_select="golomb"

  2376. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2377. metasound_decoder_select="lsp mdct sinewin"

  2378. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2379. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2380. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2381. mjpegb_decoder_select="mjpeg_decoder"

  2382. mlp_decoder_select="mlp_parser"

  2383. motionpixels_decoder_select="bswapdsp"

  2384. mp1_decoder_select="mpegaudio"

  2385. mp1float_decoder_select="mpegaudio"

  2386. mp2_decoder_select="mpegaudio"

  2387. mp2float_decoder_select="mpegaudio"

  2388. mp3_decoder_select="mpegaudio"

  2389. mp3adu_decoder_select="mpegaudio"

  2390. mp3adufloat_decoder_select="mpegaudio"

  2391. mp3float_decoder_select="mpegaudio"

  2392. mp3on4_decoder_select="mpegaudio"

  2393. mp3on4float_decoder_select="mpegaudio"

  2394. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2395. mpc8_decoder_select="mpegaudiodsp"

  2396. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2397. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2398. mpegvideo_decoder_select="mpegvideo"

  2399. mpeg1video_decoder_select="mpegvideo"

  2400. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2401. mpeg2video_decoder_select="mpegvideo"

  2402. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2403. mpeg2_qsv_decoder_deps="libmfx"

  2404. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2405. mpeg2_qsv_encoder_deps="libmfx"

  2406. mpeg2_qsv_encoder_select="qsvenc"

  2407. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2408. mpeg4_encoder_select="h263_encoder"

  2409. msa1_decoder_select="mss34dsp"

  2410. msmpeg4v1_decoder_select="h263_decoder"

  2411. msmpeg4v2_decoder_select="h263_decoder"

  2412. msmpeg4v2_encoder_select="h263_encoder"

  2413. msmpeg4v3_decoder_select="h263_decoder"

  2414. msmpeg4v3_encoder_select="h263_encoder"

  2415. mss2_decoder_select="vc1_decoder mpegvideo"

  2416. mts2_decoder_select="mss34dsp"

  2417. mxpeg_decoder_select="mjpeg_decoder"

  2418. nellymoser_decoder_select="mdct sinewin"

  2419. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2420. nuv_decoder_select="idctdsp lzo"

  2421. on2avc_decoder_select="mdct"

  2422. opus_decoder_deps="swresample"

  2423. opus_decoder_select="imdct15"

  2424. png_decoder_select="zlib"

  2425. png_encoder_select="huffyuvencdsp zlib"

  2426. prores_decoder_select="blockdsp idctdsp"

  2427. prores_encoder_select="fdctdsp"

  2428. qcelp_decoder_select="lsp"

  2429. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2430. ra_144_decoder_select="audiodsp"

  2431. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2432. ralf_decoder_select="golomb"

  2433. rawvideo_decoder_select="bswapdsp"

  2434. rscc_decoder_select="zlib"

  2435. rtjpeg_decoder_select="me_cmp"

  2436. rv10_decoder_select="h263_decoder"

  2437. rv10_encoder_select="h263_encoder"

  2438. rv20_decoder_select="h263_decoder"

  2439. rv20_encoder_select="h263_encoder"

  2440. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2441. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2442. screenpresso_decoder_select="zlib"

  2443. shorten_decoder_select="golomb"

  2444. sipr_decoder_select="lsp"

  2445. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2446. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2447. sonic_decoder_select="golomb rangecoder"

  2448. sonic_encoder_select="golomb rangecoder"

  2449. sonic_ls_encoder_select="golomb rangecoder"

  2450. sp5x_decoder_select="mjpeg_decoder"

  2451. svq1_decoder_select="hpeldsp"

  2452. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2453. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2454. svq3_decoder_suggest="zlib"

  2455. tak_decoder_select="audiodsp"

  2456. tdsc_decoder_select="zlib mjpeg_decoder"

  2457. theora_decoder_select="vp3_decoder"

  2458. thp_decoder_select="mjpeg_decoder"

  2459. tiff_decoder_suggest="zlib lzma"

  2460. tiff_encoder_suggest="zlib"

  2461. truehd_decoder_select="mlp_parser"

  2462. truemotion2_decoder_select="bswapdsp"

  2463. truespeech_decoder_select="bswapdsp"

  2464. tscc_decoder_select="zlib"

  2465. twinvq_decoder_select="mdct lsp sinewin"

  2466. txd_decoder_select="texturedsp"

  2467. utvideo_decoder_select="bswapdsp"

  2468. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2469. vble_decoder_select="huffyuvdsp"

  2470. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2471. vc1_qsv_decoder_deps="libmfx"

  2472. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2473. vc1image_decoder_select="vc1_decoder"

  2474. vorbis_decoder_select="mdct"

  2475. vorbis_encoder_select="mdct"

  2476. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2477. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2478. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2479. vp6a_decoder_select="vp6_decoder"

  2480. vp6f_decoder_select="vp6_decoder"

  2481. vp7_decoder_select="h264pred videodsp vp8dsp"

  2482. vp8_decoder_select="h264pred videodsp vp8dsp"

  2483. vp9_decoder_select="videodsp vp9_parser"

  2484. webp_decoder_select="vp8_decoder exif"

  2485. wmalossless_decoder_select="llauddsp"

  2486. wmapro_decoder_select="mdct sinewin wma_freqs"

  2487. wmav1_decoder_select="mdct sinewin wma_freqs"

  2488. wmav1_encoder_select="mdct sinewin wma_freqs"

  2489. wmav2_decoder_select="mdct sinewin wma_freqs"

  2490. wmav2_encoder_select="mdct sinewin wma_freqs"

  2491. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2492. wmv1_decoder_select="h263_decoder"

  2493. wmv1_encoder_select="h263_encoder"

  2494. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2495. wmv2_encoder_select="h263_encoder wmv2dsp"

  2496. wmv3_decoder_select="vc1_decoder"

  2497. wmv3image_decoder_select="wmv3_decoder"

  2498. xma1_decoder_select="wmapro_decoder"

  2499. xma2_decoder_select="wmapro_decoder"

  2500. zerocodec_decoder_select="zlib"

  2501. zlib_decoder_select="zlib"

  2502. zlib_encoder_select="zlib"

  2503. zmbv_decoder_select="zlib"

  2504. zmbv_encoder_select="zlib"

  2505. 

  2506. # hardware accelerators

  2507. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2508. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2509. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2510. vaapi_deps="va_va_h"

  2511. vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"

  2512. vda_framework_extralibs="-framework VideoDecodeAcceleration"

  2513. vda_deps="vda_framework pthreads"

  2514. vda_extralibs="-framework CoreFoundation -framework QuartzCore"

  2515. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2516. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2517. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2518. xvmc_deps="X11_extensions_XvMClib_h"

  2519. 

  2520. h263_vaapi_hwaccel_deps="vaapi"

  2521. h263_vaapi_hwaccel_select="h263_decoder"

  2522. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2523. h263_videotoolbox_hwaccel_select="h263_decoder"

  2524. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2525. h264_d3d11va_hwaccel_deps="d3d11va"

  2526. h264_d3d11va_hwaccel_select="h264_decoder"

  2527. h264_dxva2_hwaccel_deps="dxva2"

  2528. h264_dxva2_hwaccel_select="h264_decoder"

  2529. h264_mediacodec_decoder_deps="mediacodec"

  2530. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  2531. h264_mmal_decoder_deps="mmal"

  2532. h264_mmal_decoder_select="mmal"

  2533. h264_mmal_hwaccel_deps="mmal"

  2534. h264_qsv_hwaccel_deps="libmfx"

  2535. h264_vaapi_hwaccel_deps="vaapi"

  2536. h264_vaapi_hwaccel_select="h264_decoder"

  2537. h264_vda_decoder_deps="vda"

  2538. h264_vda_decoder_select="h264_decoder"

  2539. h264_vda_hwaccel_deps="vda"

  2540. h264_vda_hwaccel_select="h264_decoder"

  2541. h264_vda_old_hwaccel_deps="vda"

  2542. h264_vda_old_hwaccel_select="h264_decoder"

  2543. h264_vdpau_decoder_deps="vdpau"

  2544. h264_vdpau_decoder_select="h264_decoder"

  2545. h264_vdpau_hwaccel_deps="vdpau"

  2546. h264_vdpau_hwaccel_select="h264_decoder"

  2547. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2548. h264_videotoolbox_hwaccel_select="h264_decoder"

  2549. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2550. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2551. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2552. hevc_dxva2_hwaccel_select="hevc_decoder"

  2553. hevc_qsv_hwaccel_deps="libmfx"

  2554. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2555. hevc_vaapi_hwaccel_select="hevc_decoder"

  2556. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2557. hevc_vdpau_hwaccel_select="hevc_decoder"

  2558. mpeg_vdpau_decoder_deps="vdpau"

  2559. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2560. mpeg_xvmc_hwaccel_deps="xvmc"

  2561. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2562. mpeg1_vdpau_decoder_deps="vdpau"

  2563. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2564. mpeg1_vdpau_hwaccel_deps="vdpau"

  2565. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2566. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2567. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2568. mpeg1_xvmc_hwaccel_deps="xvmc"

  2569. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2570. mpeg2_crystalhd_decoder_select="crystalhd"

  2571. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2572. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2573. mpeg2_dxva2_hwaccel_deps="dxva2"

  2574. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2575. mpeg2_mmal_decoder_deps="mmal"

  2576. mpeg2_mmal_decoder_select="mmal"

  2577. mpeg2_mmal_hwaccel_deps="mmal"

  2578. mpeg2_qsv_hwaccel_deps="libmfx"

  2579. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2580. mpeg2_vaapi_hwaccel_deps="vaapi"

  2581. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2582. mpeg2_vdpau_hwaccel_deps="vdpau"

  2583. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2584. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2585. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2586. mpeg2_xvmc_hwaccel_deps="xvmc"

  2587. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2588. mpeg4_crystalhd_decoder_select="crystalhd"

  2589. mpeg4_mmal_decoder_deps="mmal"

  2590. mpeg4_mmal_decoder_select="mmal"

  2591. mpeg4_mmal_hwaccel_deps="mmal"

  2592. mpeg4_vaapi_hwaccel_deps="vaapi"

  2593. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2594. mpeg4_vdpau_decoder_deps="vdpau"

  2595. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2596. mpeg4_vdpau_hwaccel_deps="vdpau"

  2597. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2598. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2599. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2600. msmpeg4_crystalhd_decoder_select="crystalhd"

  2601. vc1_crystalhd_decoder_select="crystalhd"

  2602. vc1_d3d11va_hwaccel_deps="d3d11va"

  2603. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2604. vc1_dxva2_hwaccel_deps="dxva2"

  2605. vc1_dxva2_hwaccel_select="vc1_decoder"

  2606. vc1_mmal_decoder_deps="mmal"

  2607. vc1_mmal_decoder_select="mmal"

  2608. vc1_mmal_hwaccel_deps="mmal"

  2609. vc1_qsv_hwaccel_deps="libmfx"

  2610. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2611. vc1_vaapi_hwaccel_deps="vaapi"

  2612. vc1_vaapi_hwaccel_select="vc1_decoder"

  2613. vc1_vdpau_decoder_deps="vdpau"

  2614. vc1_vdpau_decoder_select="vc1_decoder"

  2615. vc1_vdpau_hwaccel_deps="vdpau"

  2616. vc1_vdpau_hwaccel_select="vc1_decoder"

  2617. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2618. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2619. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2620. vp9_dxva2_hwaccel_select="vp9_decoder"

  2621. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2622. vp9_vaapi_hwaccel_select="vp9_decoder"

  2623. wmv3_crystalhd_decoder_select="crystalhd"

  2624. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2625. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2626. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2627. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2628. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2629. 

  2630. # parsers

  2631. h264_parser_select="h264_decoder"

  2632. hevc_parser_select="golomb"

  2633. mpegvideo_parser_select="mpegvideo"

  2634. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2635. vc1_parser_select="vc1dsp"

  2636. 

  2637. # bitstream_filters

  2638. mjpeg2jpeg_bsf_select="jpegtables"

  2639. 

  2640. # external libraries

  2641. chromaprint_muxer_deps="chromaprint"

  2642. h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"

  2643. h264_videotoolbox_encoder_select="bzlib zlib iconv"

  2644. libcelt_decoder_deps="libcelt"

  2645. libdcadec_decoder_deps="libdcadec"

  2646. libfaac_encoder_deps="libfaac"

  2647. libfaac_encoder_select="audio_frame_queue"

  2648. libfdk_aac_decoder_deps="libfdk_aac"

  2649. libfdk_aac_encoder_deps="libfdk_aac"

  2650. libfdk_aac_encoder_select="audio_frame_queue"

  2651. libgme_demuxer_deps="libgme"

  2652. libgsm_decoder_deps="libgsm"

  2653. libgsm_encoder_deps="libgsm"

  2654. libgsm_ms_decoder_deps="libgsm"

  2655. libgsm_ms_encoder_deps="libgsm"

  2656. libilbc_decoder_deps="libilbc"

  2657. libilbc_encoder_deps="libilbc"

  2658. libkvazaar_encoder_deps="libkvazaar"

  2659. libmodplug_demuxer_deps="libmodplug"

  2660. libmp3lame_encoder_deps="libmp3lame"

  2661. libmp3lame_encoder_select="audio_frame_queue"

  2662. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2663. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2664. libopencore_amrnb_encoder_select="audio_frame_queue"

  2665. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2666. libopenh264_encoder_deps="libopenh264"

  2667. libopenjpeg_decoder_deps="libopenjpeg"

  2668. libopenjpeg_encoder_deps="libopenjpeg"

  2669. libopus_decoder_deps="libopus"

  2670. libopus_encoder_deps="libopus"

  2671. libopus_encoder_select="audio_frame_queue"

  2672. libschroedinger_decoder_deps="libschroedinger"

  2673. libschroedinger_encoder_deps="libschroedinger"

  2674. libshine_encoder_deps="libshine"

  2675. libshine_encoder_select="audio_frame_queue"

  2676. libspeex_decoder_deps="libspeex"

  2677. libspeex_encoder_deps="libspeex"

  2678. libspeex_encoder_select="audio_frame_queue"

  2679. libtheora_encoder_deps="libtheora"

  2680. libtwolame_encoder_deps="libtwolame"

  2681. libutvideo_decoder_deps="libutvideo"

  2682. libutvideo_encoder_deps="libutvideo"

  2683. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2684. libvorbis_decoder_deps="libvorbis"

  2685. libvorbis_encoder_deps="libvorbis"

  2686. libvorbis_encoder_select="audio_frame_queue"

  2687. libvpx_vp8_decoder_deps="libvpx"

  2688. libvpx_vp8_encoder_deps="libvpx"

  2689. libvpx_vp9_decoder_deps="libvpx"

  2690. libvpx_vp9_encoder_deps="libvpx"

  2691. libwavpack_encoder_deps="libwavpack"

  2692. libwebp_encoder_deps="libwebp"

  2693. libwebp_anim_encoder_deps="libwebp"

  2694. libx262_encoder_deps="libx262"

  2695. libx264_encoder_deps="libx264"

  2696. libx264rgb_encoder_deps="libx264"

  2697. libx264rgb_encoder_select="libx264_encoder"

  2698. libx265_encoder_deps="libx265"

  2699. libxavs_encoder_deps="libxavs"

  2700. libxvid_encoder_deps="libxvid"

  2701. libzvbi_teletext_decoder_deps="libzvbi"

  2702. nvenc_encoder_deps="nvenc"

  2703. nvenc_h264_encoder_deps="nvenc"

  2704. nvenc_hevc_encoder_deps="nvenc"

  2705. videotoolbox_deps="VideoToolbox_VideoToolbox_h"

  2706. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"

  2707. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  2708. videotoolbox_encoder_suggest="vda_framework"

  2709. 

  2710. # demuxers / muxers

  2711. ac3_demuxer_select="ac3_parser"

  2712. asf_demuxer_select="riffdec"

  2713. asf_o_demuxer_select="riffdec"

  2714. asf_muxer_select="riffenc"

  2715. asf_stream_muxer_select="asf_muxer"

  2716. avi_demuxer_select="iso_media riffdec exif"

  2717. avi_muxer_select="riffenc"

  2718. avisynth_demuxer_deps="avisynth"

  2719. avisynth_demuxer_select="riffdec"

  2720. caf_demuxer_select="iso_media riffdec"

  2721. dash_muxer_select="mp4_muxer"

  2722. dirac_demuxer_select="dirac_parser"

  2723. dts_demuxer_select="dca_parser"

  2724. dtshd_demuxer_select="dca_parser"

  2725. dv_demuxer_select="dvprofile"

  2726. dv_muxer_select="dvprofile"

  2727. dxa_demuxer_select="riffdec"

  2728. eac3_demuxer_select="ac3_parser"

  2729. f4v_muxer_select="mov_muxer"

  2730. flac_demuxer_select="flac_parser"

  2731. hds_muxer_select="flv_muxer"

  2732. hls_muxer_select="mpegts_muxer"

  2733. image2_alias_pix_demuxer_select="image2_demuxer"

  2734. image2_brender_pix_demuxer_select="image2_demuxer"

  2735. ipod_muxer_select="mov_muxer"

  2736. ismv_muxer_select="mov_muxer"

  2737. libnut_demuxer_deps="libnut"

  2738. libnut_muxer_deps="libnut"

  2739. matroska_audio_muxer_select="matroska_muxer"

  2740. matroska_demuxer_select="iso_media riffdec"

  2741. matroska_demuxer_suggest="bzlib lzo zlib"

  2742. matroska_muxer_select="iso_media riffenc"

  2743. mmf_muxer_select="riffenc"

  2744. mov_demuxer_select="iso_media riffdec"

  2745. mov_demuxer_suggest="zlib"

  2746. mov_muxer_select="iso_media riffenc rtpenc_chain"

  2747. mp3_demuxer_select="mpegaudio_parser"

  2748. mp4_muxer_select="mov_muxer"

  2749. mpegts_demuxer_select="iso_media"

  2750. mpegts_muxer_select="adts_muxer latm_muxer"

  2751. mpegtsraw_demuxer_select="mpegts_demuxer"

  2752. mxf_d10_muxer_select="mxf_muxer"

  2753. mxf_opatom_muxer_select="mxf_muxer"

  2754. nut_muxer_select="riffenc"

  2755. nuv_demuxer_select="riffdec"

  2756. oga_muxer_select="ogg_muxer"

  2757. ogg_demuxer_select="dirac_parse"

  2758. opus_muxer_select="ogg_muxer"

  2759. psp_muxer_select="mov_muxer"

  2760. rtp_demuxer_select="sdp_demuxer"

  2761. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2762. rtsp_demuxer_select="http_protocol rtpdec"

  2763. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2764. sap_demuxer_select="sdp_demuxer"

  2765. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2766. sdp_demuxer_select="rtpdec"

  2767. smoothstreaming_muxer_select="ismv_muxer"

  2768. spdif_muxer_select="aac_parser"

  2769. spx_muxer_select="ogg_muxer"

  2770. swf_demuxer_suggest="zlib"

  2771. tak_demuxer_select="tak_parser"

  2772. tg2_muxer_select="mov_muxer"

  2773. tgp_muxer_select="mov_muxer"

  2774. vobsub_demuxer_select="mpegps_demuxer"

  2775. w64_demuxer_select="wav_demuxer"

  2776. w64_muxer_select="wav_muxer"

  2777. wav_demuxer_select="riffdec"

  2778. wav_muxer_select="riffenc"

  2779. webm_muxer_select="iso_media riffenc"

  2780. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2781. wtv_demuxer_select="mpegts_demuxer riffdec"

  2782. wtv_muxer_select="mpegts_muxer riffenc"

  2783. xmv_demuxer_select="riffdec"

  2784. xwma_demuxer_select="riffdec"

  2785. 

  2786. # indevs / outdevs

  2787. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2788. alsa_outdev_deps="alsa_asoundlib_h"

  2789. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2790. avfoundation_indev_select="avfoundation"

  2791. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2792. caca_outdev_deps="libcaca"

  2793. decklink_indev_deps="decklink pthreads"

  2794. decklink_indev_extralibs="-lstdc++"

  2795. decklink_outdev_deps="decklink pthreads"

  2796. decklink_outdev_extralibs="-lstdc++"

  2797. dshow_indev_deps="IBaseFilter"

  2798. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2799. dv1394_indev_deps="dv1394"

  2800. dv1394_indev_select="dv_demuxer"

  2801. fbdev_indev_deps="linux_fb_h"

  2802. fbdev_outdev_deps="linux_fb_h"

  2803. gdigrab_indev_deps="CreateDIBSection"

  2804. gdigrab_indev_extralibs="-lgdi32"

  2805. gdigrab_indev_select="bmp_decoder"

  2806. iec61883_indev_deps="libiec61883"

  2807. jack_indev_deps="jack_jack_h"

  2808. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2809. lavfi_indev_deps="avfilter"

  2810. libcdio_indev_deps="libcdio"

  2811. libdc1394_indev_deps="libdc1394"

  2812. libv4l2_indev_deps="libv4l2"

  2813. openal_indev_deps="openal"

  2814. opengl_outdev_deps="opengl"

  2815. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2816. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2817. pulse_indev_deps="libpulse"

  2818. pulse_outdev_deps="libpulse"

  2819. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2820. qtkit_indev_select="qtkit"

  2821. sdl_outdev_deps="sdl"

  2822. sndio_indev_deps="sndio_h"

  2823. sndio_outdev_deps="sndio_h"

  2824. v4l_indev_deps="linux_videodev_h"

  2825. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2826. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2827. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2828. vfwcap_indev_extralibs="-lavicap32"

  2829. x11grab_indev_deps="x11grab"

  2830. x11grab_xcb_indev_deps="libxcb"

  2831. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2832. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2833. 

  2834. # protocols

  2835. async_protocol_deps="threads"

  2836. bluray_protocol_deps="libbluray"

  2837. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2838. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2839. ffrtmpcrypt_protocol_select="tcp_protocol"

  2840. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2841. ffrtmphttp_protocol_select="http_protocol"

  2842. ftp_protocol_select="tcp_protocol"

  2843. gopher_protocol_select="network"

  2844. http_protocol_select="tcp_protocol"

  2845. httpproxy_protocol_select="tcp_protocol"

  2846. https_protocol_select="tls_protocol"

  2847. icecast_protocol_select="http_protocol"

  2848. librtmp_protocol_deps="librtmp"

  2849. librtmpe_protocol_deps="librtmp"

  2850. librtmps_protocol_deps="librtmp"

  2851. librtmpt_protocol_deps="librtmp"

  2852. librtmpte_protocol_deps="librtmp"

  2853. libsmbclient_protocol_deps="libsmbclient gplv3"

  2854. libssh_protocol_deps="libssh"

  2855. mmsh_protocol_select="http_protocol"

  2856. mmst_protocol_select="network"

  2857. rtmp_protocol_deps="!librtmp_protocol"

  2858. rtmp_protocol_select="tcp_protocol"

  2859. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2860. rtmps_protocol_deps="!librtmp_protocol"

  2861. rtmps_protocol_select="tls_protocol"

  2862. rtmpt_protocol_select="ffrtmphttp_protocol"

  2863. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2864. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2865. rtp_protocol_select="udp_protocol"

  2866. sctp_protocol_deps="struct_sctp_event_subscribe"

  2867. sctp_protocol_select="network"

  2868. srtp_protocol_select="rtp_protocol"

  2869. tcp_protocol_select="network"

  2870. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2871. tls_gnutls_protocol_select="tcp_protocol"

  2872. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2873. tls_openssl_protocol_select="tcp_protocol"

  2874. tls_schannel_protocol_deps="schannel"

  2875. tls_schannel_protocol_select="tcp_protocol"

  2876. tls_securetransport_protocol_deps="securetransport"

  2877. tls_securetransport_protocol_select="tcp_protocol"

  2878. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2879. udp_protocol_select="network"

  2880. udplite_protocol_select="network"

  2881. unix_protocol_deps="sys_un_h"

  2882. unix_protocol_select="network"

  2883. 

  2884. # filters

  2885. afftfilt_filter_deps="avcodec"

  2886. afftfilt_filter_select="fft"

  2887. amovie_filter_deps="avcodec avformat"

  2888. aresample_filter_deps="swresample"

  2889. ass_filter_deps="libass"

  2890. asyncts_filter_deps="avresample"

  2891. atempo_filter_deps="avcodec"

  2892. atempo_filter_select="rdft"

  2893. azmq_filter_deps="libzmq"

  2894. blackframe_filter_deps="gpl"

  2895. boxblur_filter_deps="gpl"

  2896. bs2b_filter_deps="libbs2b"

  2897. colormatrix_filter_deps="gpl"

  2898. cover_rect_filter_deps="avcodec avformat gpl"

  2899. cropdetect_filter_deps="gpl"

  2900. delogo_filter_deps="gpl"

  2901. deshake_filter_select="pixelutils"

  2902. drawtext_filter_deps="libfreetype"

  2903. ebur128_filter_deps="gpl"

  2904. eq_filter_deps="gpl"

  2905. fftfilt_filter_deps="avcodec"

  2906. fftfilt_filter_select="rdft"

  2907. find_rect_filter_deps="avcodec avformat gpl"

  2908. firequalizer_filter_deps="avcodec"

  2909. firequalizer_filter_select="rdft"

  2910. flite_filter_deps="libflite"

  2911. frei0r_filter_deps="frei0r dlopen"

  2912. frei0r_src_filter_deps="frei0r dlopen"

  2913. fspp_filter_deps="gpl"

  2914. geq_filter_deps="gpl"

  2915. histeq_filter_deps="gpl"

  2916. hqdn3d_filter_deps="gpl"

  2917. hwupload_cuda_filter_deps="cuda"

  2918. interlace_filter_deps="gpl"

  2919. kerndeint_filter_deps="gpl"

  2920. ladspa_filter_deps="ladspa dlopen"

  2921. mcdeint_filter_deps="avcodec gpl"

  2922. movie_filter_deps="avcodec avformat"

  2923. mpdecimate_filter_deps="gpl"

  2924. mpdecimate_filter_select="pixelutils"

  2925. mptestsrc_filter_deps="gpl"

  2926. negate_filter_deps="lut_filter"

  2927. nnedi_filter_deps="gpl"

  2928. ocr_filter_deps="libtesseract"

  2929. ocv_filter_deps="libopencv"

  2930. owdenoise_filter_deps="gpl"

  2931. pan_filter_deps="swresample"

  2932. perspective_filter_deps="gpl"

  2933. phase_filter_deps="gpl"

  2934. pp7_filter_deps="gpl"

  2935. pp_filter_deps="gpl postproc"

  2936. pullup_filter_deps="gpl"

  2937. removelogo_filter_deps="avcodec avformat swscale"

  2938. repeatfields_filter_deps="gpl"

  2939. resample_filter_deps="avresample"

  2940. rubberband_filter_deps="librubberband"

  2941. sab_filter_deps="gpl swscale"

  2942. scale2ref_filter_deps="swscale"

  2943. scale_filter_deps="swscale"

  2944. select_filter_select="pixelutils"

  2945. showcqt_filter_deps="avcodec avformat swscale"

  2946. showcqt_filter_select="fft"

  2947. showfreqs_filter_deps="avcodec"

  2948. showfreqs_filter_select="fft"

  2949. showspectrum_filter_deps="avcodec"

  2950. showspectrum_filter_select="fft"

  2951. showspectrumpic_filter_deps="avcodec"

  2952. showspectrumpic_filter_select="fft"

  2953. smartblur_filter_deps="gpl swscale"

  2954. sofalizer_filter_deps="netcdf avcodec"

  2955. sofalizer_filter_select="fft"

  2956. spectrumsynth_filter_deps="avcodec"

  2957. spectrumsynth_filter_select="fft"

  2958. spp_filter_deps="gpl avcodec"

  2959. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2960. stereo3d_filter_deps="gpl"

  2961. subtitles_filter_deps="avformat avcodec libass"

  2962. super2xsai_filter_deps="gpl"

  2963. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2964. tinterlace_filter_deps="gpl"

  2965. tinterlace_merge_test_deps="tinterlace_filter"

  2966. tinterlace_pad_test_deps="tinterlace_filter"

  2967. uspp_filter_deps="gpl avcodec"

  2968. vidstabdetect_filter_deps="libvidstab"

  2969. vidstabtransform_filter_deps="libvidstab"

  2970. zmq_filter_deps="libzmq"

  2971. zoompan_filter_deps="swscale"

  2972. zscale_filter_deps="libzimg"

  2973. 

  2974. # examples

  2975. avcodec_example_deps="avcodec avutil"

  2976. avio_dir_cmd="avformat avutil"

  2977. avio_reading="avformat avcodec avutil"

  2978. decoding_encoding_example_deps="avcodec avformat avutil"

  2979. demuxing_decoding_example_deps="avcodec avformat avutil"

  2980. extract_mvs_example_deps="avcodec avformat avutil"

  2981. filter_audio_example_deps="avfilter avutil"

  2982. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2983. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2984. metadata_example_deps="avformat avutil"

  2985. muxing_example_deps="avcodec avformat avutil swscale"

  2986. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2987. remuxing_example_deps="avcodec avformat avutil"

  2988. resampling_audio_example_deps="avutil swresample"

  2989. scaling_video_example_deps="avutil swscale"

  2990. transcode_aac_example_deps="avcodec avformat swresample"

  2991. transcoding_example_deps="avfilter avcodec avformat avutil"

  2992. 

  2993. # libraries, in linking order

  2994. avcodec_deps="avutil"

  2995. avdevice_deps="avformat avcodec avutil"

  2996. avfilter_deps="avutil"

  2997. avformat_deps="avcodec avutil"

  2998. avresample_deps="avutil"

  2999. postproc_deps="avutil gpl"

  3000. swresample_deps="avutil"

  3001. swscale_deps="avutil"

  3002. 

  3003. # programs

  3004. ffmpeg_deps="avcodec avfilter avformat swresample"

  3005. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3006.                null_filter

  3007.                setpts_filter trim_filter"

  3008. ffplay_deps="avcodec avformat swscale swresample sdl"

  3009. ffplay_libs='$sdl_libs'

  3010. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3011. ffprobe_deps="avcodec avformat"

  3012. ffserver_deps="avformat fork sarestart"

  3013. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  3014. 

  3015. # documentation

  3016. podpages_deps="perl"

  3017. manpages_deps="perl pod2man"

  3018. htmlpages_deps="perl"

  3019. htmlpages_deps_any="makeinfo_html texi2html"

  3020. txtpages_deps="perl makeinfo"

  3021. doc_deps_any="manpages htmlpages podpages txtpages"

  3022. 

  3023. # default parameters

  3024. 

  3025. logfile="config.log"

  3026. 

  3027. # installation paths

  3028. prefix_default="/usr/local"

  3029. bindir_default='${prefix}/bin'

  3030. datadir_default='${prefix}/share/ffmpeg'

  3031. docdir_default='${prefix}/share/doc/ffmpeg'

  3032. incdir_default='${prefix}/include'

  3033. libdir_default='${prefix}/lib'

  3034. mandir_default='${prefix}/share/man'

  3035. 

  3036. # toolchain

  3037. ar_default="ar"

  3038. cc_default="gcc"

  3039. cxx_default="g++"

  3040. host_cc_default="gcc"

  3041. cp_f="cp -f"

  3042. doxygen_default="doxygen"

  3043. install="install"

  3044. ln_s="ln -s -f"

  3045. nm_default="nm -g"

  3046. objformat="elf"

  3047. pkg_config_default=pkg-config

  3048. ranlib_default="ranlib"

  3049. strip_default="strip"

  3050. yasmexe_default="yasm"

  3051. windres_default="windres"

  3052. 

  3053. # OS

  3054. target_os_default=$(tolower $(uname -s))

  3055. host_os=$target_os_default

  3056. 

  3057. # machine

  3058. if test "$target_os_default" = aix; then

  3059.     arch_default=$(uname -p)

  3060.     strip_default="strip -X32_64"

  3061. else

  3062.     arch_default=$(uname -m)

  3063. fi

  3064. cpu="generic"

  3065. intrinsics="none"

  3066. 

  3067. # configurable options

  3068. enable $PROGRAM_LIST

  3069. enable $DOCUMENT_LIST

  3070. enable $EXAMPLE_LIST

  3071. enable $(filter_out avresample $LIBRARY_LIST)

  3072. enable stripping

  3073. 

  3074. enable asm

  3075. enable debug

  3076. enable doc

  3077. enable faan faandct faanidct

  3078. enable optimizations

  3079. enable runtime_cpudetect

  3080. enable safe_bitstream_reader

  3081. enable static

  3082. enable swscale_alpha

  3083. enable valgrind_backtrace

  3084. 

  3085. sws_max_filter_size_default=256

  3086. set_default sws_max_filter_size

  3087. 

  3088. # Enable hwaccels by default.

  3089. enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc

  3090. enable xlib

  3091. 

  3092. enable vda_framework videotoolbox videotoolbox_encoder

  3093. 

  3094. # build settings

  3095. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3096. LIBPREF="lib"

  3097. LIBSUF=".a"

  3098. FULLNAME='$(NAME)$(BUILDSUF)'

  3099. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3100. SLIBPREF="lib"

  3101. SLIBSUF=".so"

  3102. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3103. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3104. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3105. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3106. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3107. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3108. 

  3109. asflags_filter=echo

  3110. cflags_filter=echo

  3111. ldflags_filter=echo

  3112. 

  3113. AS_C='-c'

  3114. AS_O='-o $@'

  3115. CC_C='-c'

  3116. CC_E='-E -o $@'

  3117. CC_O='-o $@'

  3118. CXX_C='-c'

  3119. CXX_O='-o $@'

  3120. OBJCC_C='-c'

  3121. OBJCC_E='-E -o $@'

  3122. OBJCC_O='-o $@'

  3123. LD_O='-o $@'

  3124. LD_LIB='-l%'

  3125. LD_PATH='-L'

  3126. HOSTCC_C='-c'

  3127. HOSTCC_E='-E -o $@'

  3128. HOSTCC_O='-o $@'

  3129. HOSTLD_O='-o $@'

  3130. 

  3131. host_libs='-lm'

  3132. host_cflags_filter=echo

  3133. host_ldflags_filter=echo

  3134. 

  3135. target_path='$(CURDIR)'

  3136. 

  3137. # since the object filename is not given with the -MM flag, the compiler

  3138. # is only able to print the basename, and we must add the path ourselves

  3139. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3140. DEPFLAGS='-MM'

  3141. 

  3142. # find source path

  3143. if test -f configure; then

  3144.     source_path=.

  3145. else

  3146.     source_path=$(cd $(dirname "$0"); pwd)

  3147.     case "$source_path" in

  3148.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3149.     esac

  3150.     test -e "$source_path/config.h" &&

  3151.         die "Out of tree builds are impossible with config.h in source dir."

  3152. fi

  3153. 

  3154. for v in "$@"; do

  3155.     r=${v#*=}

  3156.     l=${v%"$r"}

  3157.     r=$(sh_quote "$r")

  3158.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3159. done

  3160. 

  3161. find_things(){

  3162.     thing=$1

  3163.     pattern=$2

  3164.     file=$source_path/$3

  3165.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3166. }

  3167. 

  3168. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3169. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3170. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3171. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3172. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3173. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3174. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3175. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3176. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3177. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3178. 

  3179. find_things_extern(){

  3180.     thing=$1

  3181.     pattern=$2

  3182.     file=$source_path/$3

  3183.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3184. }

  3185. 

  3186. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3187. 

  3188. ALL_COMPONENTS="

  3189.     $BSF_LIST

  3190.     $DECODER_LIST

  3191.     $DEMUXER_LIST

  3192.     $ENCODER_LIST

  3193.     $FILTER_LIST

  3194.     $HWACCEL_LIST

  3195.     $INDEV_LIST

  3196.     $MUXER_LIST

  3197.     $OUTDEV_LIST

  3198.     $PARSER_LIST

  3199.     $PROTOCOL_LIST

  3200. "

  3201. 

  3202. for n in $COMPONENT_LIST; do

  3203.     v=$(toupper ${n%s})_LIST

  3204.     eval enable \$$v

  3205.     eval ${n}_if_any="\$$v"

  3206. done

  3207. 

  3208. enable $ARCH_EXT_LIST

  3209. 

  3210. die_unknown(){

  3211.     echo "Unknown option \"$1\"."

  3212.     echo "See $0 --help for available options."

  3213.     exit 1

  3214. }

  3215. 

  3216. print_in_columns() {

  3217.     cols=$(expr $ncols / 24)

  3218.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3219. }

  3220. 

  3221. show_list() {

  3222.     suffix=_$1

  3223.     shift

  3224.     echo $* | sed s/$suffix//g | print_in_columns

  3225.     exit 0

  3226. }

  3227. 

  3228. rand_list(){

  3229.     IFS=', '

  3230.     set -- $*

  3231.     unset IFS

  3232.     for thing; do

  3233.         comp=${thing%:*}

  3234.         prob=${thing#$comp}

  3235.         prob=${prob#:}

  3236.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3237.         echo "prob ${prob:-0.5}"

  3238.         printf '%s\n' $comp

  3239.     done

  3240. }

  3241. 

  3242. do_random(){

  3243.     action=$1

  3244.     shift

  3245.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3246.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3247. }

  3248. 

  3249. for opt do

  3250.     optval="${opt#*=}"

  3251.     case "$opt" in

  3252.         --extra-ldflags=*)

  3253.             add_ldflags $optval

  3254.         ;;

  3255.         --extra-ldexeflags=*)

  3256.             add_ldexeflags $optval

  3257.         ;;

  3258.         --extra-ldlibflags=*)

  3259.             add_ldlibflags $optval

  3260.         ;;

  3261.         --extra-libs=*)

  3262.             add_extralibs $optval

  3263.         ;;

  3264.         --disable-devices)

  3265.             disable $INDEV_LIST $OUTDEV_LIST

  3266.         ;;

  3267.         --enable-debug=*)

  3268.             debuglevel="$optval"

  3269.         ;;

  3270.         --disable-programs)

  3271.             disable $PROGRAM_LIST

  3272.         ;;

  3273.         --disable-everything)

  3274.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3275.         ;;

  3276.         --disable-all)

  3277.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3278.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3279.             enable avutil

  3280.         ;;

  3281.         --enable-random|--disable-random)

  3282.             action=${opt%%-random}

  3283.             do_random ${action#--} $COMPONENT_LIST

  3284.         ;;

  3285.         --enable-random=*|--disable-random=*)

  3286.             action=${opt%%-random=*}

  3287.             do_random ${action#--} $optval

  3288.         ;;

  3289.         --enable-*=*|--disable-*=*)

  3290.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3291.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3292.             eval list=\$$(toupper $thing)_LIST

  3293.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3294.             list=$(filter "$name" $list)

  3295.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3296.             $action $list

  3297.         ;;

  3298.         --enable-?*|--disable-?*)

  3299.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3300.             if is_in $option $COMPONENT_LIST; then

  3301.                 test $action = disable && action=unset

  3302.                 eval $action \$$(toupper ${option%s})_LIST

  3303.             elif is_in $option $CMDLINE_SELECT; then

  3304.                 $action $option

  3305.             else

  3306.                 die_unknown $opt

  3307.             fi

  3308.         ;;

  3309.         --list-*)

  3310.             NAME="${opt#--list-}"

  3311.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3312.             NAME=${NAME%s}

  3313.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3314.         ;;

  3315.         --help|-h) show_help

  3316.         ;;

  3317.         --fatal-warnings) enable fatal_warnings

  3318.         ;;

  3319.         *)

  3320.             optname="${opt%%=*}"

  3321.             optname="${optname#--}"

  3322.             optname=$(echo "$optname" | sed 's/-/_/g')

  3323.             if is_in $optname $CMDLINE_SET; then

  3324.                 eval $optname='$optval'

  3325.             elif is_in $optname $CMDLINE_APPEND; then

  3326.                 append $optname "$optval"

  3327.             else

  3328.                 die_unknown $opt

  3329.             fi

  3330.         ;;

  3331.     esac

  3332. done

  3333. 

  3334. for e in $env; do

  3335.     eval "export $e"

  3336. done

  3337. 

  3338. disabled logging && logfile=/dev/null

  3339. 

  3340. # Disable all the library-specific components if the library itself

  3341. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3342. 

  3343. disable_components(){

  3344.     disabled ${1} && disable $(

  3345.         eval components="\$$(toupper ${1})_COMPONENTS"

  3346.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3347.     )

  3348. }

  3349. 

  3350. map 'disable_components $v' $LIBRARY_LIST

  3351. 

  3352. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3353. set >> $logfile

  3354. 

  3355. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3356. 

  3357. case "$toolchain" in

  3358.     *-asan)

  3359.         cc_default="${toolchain%-asan}"

  3360.         add_cflags  -fsanitize=address

  3361.         add_ldflags -fsanitize=address

  3362.     ;;

  3363.     *-tsan)

  3364.         cc_default="${toolchain%-tsan}"

  3365.         add_cflags  -fsanitize=thread -pie

  3366.         add_ldflags -fsanitize=thread -pie

  3367.         case "$toolchain" in

  3368.             gcc-tsan)

  3369.                 add_cflags  -fPIC

  3370.                 add_ldflags -fPIC

  3371.                 ;;

  3372.         esac

  3373.     ;;

  3374.     *-usan)

  3375.         cc_default="${toolchain%-usan}"

  3376.         add_cflags  -fsanitize=undefined

  3377.         add_ldflags -fsanitize=undefined

  3378.     ;;

  3379.     valgrind-*)

  3380.         target_exec_default="valgrind"

  3381.         case "$toolchain" in

  3382.             valgrind-massif)

  3383.                 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"

  3384.                 ;;

  3385.             valgrind-memcheck)

  3386.                 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"

  3387.                 ;;

  3388.         esac

  3389.     ;;

  3390.     msvc)

  3391.         # Check whether the current MSVC version needs the C99 converter.

  3392.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3393.         # support enough of C99 to build ffmpeg. Default to the new

  3394.         # behaviour if the regexp was unable to match anything, since this

  3395.         # successfully parses the version number of existing supported

  3396.         # versions that require the converter (MSVC 2010 and 2012).

  3397.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3398.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3399.             cc_default="cl"

  3400.         else

  3401.             cc_default="c99wrap cl"

  3402.         fi

  3403.         ld_default="$source_path/compat/windows/mslink"

  3404.         nm_default="dumpbin -symbols"

  3405.         ar_default="lib"

  3406.         case "$arch" in

  3407.         arm*)

  3408.             as_default="armasm"

  3409.             ;;

  3410.         esac

  3411.         target_os_default="win32"

  3412.         # Use a relative path for TMPDIR. This makes sure all the

  3413.         # ffconf temp files are written with a relative path, avoiding

  3414.         # issues with msys/win32 path conversion for MSVC parameters

  3415.         # such as -Fo<file> or -out:<file>.

  3416.         TMPDIR=.

  3417.     ;;

  3418.     icl)

  3419.         cc_default="icl"

  3420.         ld_default="xilink"

  3421.         nm_default="dumpbin -symbols"

  3422.         ar_default="xilib"

  3423.         target_os_default="win32"

  3424.         TMPDIR=.

  3425.     ;;

  3426.     gcov)

  3427.         add_cflags  -fprofile-arcs -ftest-coverage

  3428.         add_ldflags -fprofile-arcs -ftest-coverage

  3429.     ;;

  3430.     hardened)

  3431.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3432.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3433.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3434.     ;;

  3435.     ?*)

  3436.         die "Unknown toolchain $toolchain"

  3437.     ;;

  3438. esac

  3439. 

  3440. test -n "$cross_prefix" && enable cross_compile

  3441. 

  3442. if enabled cross_compile; then

  3443.     test -n "$arch" && test -n "$target_os" ||

  3444.         die "Must specify target arch and OS when cross-compiling"

  3445. fi

  3446. 

  3447. ar_default="${cross_prefix}${ar_default}"

  3448. cc_default="${cross_prefix}${cc_default}"

  3449. cxx_default="${cross_prefix}${cxx_default}"

  3450. nm_default="${cross_prefix}${nm_default}"

  3451. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3452. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3453.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3454. else

  3455.     ranlib_default="${cross_prefix}${ranlib_default}"

  3456. fi

  3457. strip_default="${cross_prefix}${strip_default}"

  3458. windres_default="${cross_prefix}${windres_default}"

  3459. 

  3460. sysinclude_default="${sysroot}/usr/include"

  3461. 

  3462. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3463.     target_exec target_os yasmexe

  3464. enabled cross_compile || host_cc_default=$cc

  3465. set_default host_cc

  3466. 

  3467. pkg_config_fail_message=""

  3468. if ! $pkg_config --version >/dev/null 2>&1; then

  3469.     warn "$pkg_config not found, library detection may fail."

  3470.     pkg_config=false

  3471. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3472.     pkg_config_fail_message="

  3473. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3474. fi

  3475. 

  3476. if test $doxygen != $doxygen_default && \

  3477.   ! $doxygen --version >/dev/null 2>&1; then

  3478.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3479. fi

  3480. 

  3481. exesuf() {

  3482.     case $1 in

  3483.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3484.     esac

  3485. }

  3486. 

  3487. EXESUF=$(exesuf $target_os)

  3488. HOSTEXESUF=$(exesuf $host_os)

  3489. 

  3490. # set temporary file name

  3491. : ${TMPDIR:=$TEMPDIR}

  3492. : ${TMPDIR:=$TMP}

  3493. : ${TMPDIR:=/tmp}

  3494. 

  3495. if [ -n "$tempprefix" ] ; then

  3496.     mktemp(){

  3497.         echo $tempprefix.${HOSTNAME}.${UID}

  3498.     }

  3499. elif ! check_cmd mktemp -u XXXXXX; then

  3500.     # simple replacement for missing mktemp

  3501.     # NOT SAFE FOR GENERAL USE

  3502.     mktemp(){

  3503.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3504.     }

  3505. fi

  3506. 

  3507. tmpfile(){

  3508.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3509.         (set -C; exec > $tmp) 2>/dev/null ||

  3510.         die "Unable to create temporary file in $TMPDIR."

  3511.     append TMPFILES $tmp

  3512.     eval $1=$tmp

  3513. }

  3514. 

  3515. trap 'rm -f -- $TMPFILES' EXIT

  3516. 

  3517. tmpfile TMPASM .asm

  3518. tmpfile TMPC   .c

  3519. tmpfile TMPCPP .cpp

  3520. tmpfile TMPE   $EXESUF

  3521. tmpfile TMPH   .h

  3522. tmpfile TMPM   .m

  3523. tmpfile TMPO   .o

  3524. tmpfile TMPS   .S

  3525. tmpfile TMPSH  .sh

  3526. tmpfile TMPV   .ver

  3527. 

  3528. unset -f mktemp

  3529. 

  3530. chmod +x $TMPE

  3531. 

  3532. # make sure we can execute files in $TMPDIR

  3533. cat > $TMPSH 2>> $logfile <<EOF

  3534. #! /bin/sh

  3535. EOF

  3536. chmod +x $TMPSH >> $logfile 2>&1

  3537. if ! $TMPSH >> $logfile 2>&1; then

  3538.     cat <<EOF

  3539. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3540. variable to another directory and make sure that it is not mounted noexec.

  3541. EOF

  3542.     die "Sanity test failed."

  3543. fi

  3544. 

  3545. armasm_flags(){

  3546.     for flag; do

  3547.         case $flag in

  3548.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3549.             # be passed to gas-preprocessor

  3550.             -M[TD]*)                                            ;;

  3551.             *)                  echo $flag                      ;;

  3552.         esac

  3553.    done

  3554. }

  3555. 

  3556. ccc_flags(){

  3557.     for flag; do

  3558.         case $flag in

  3559.             -std=c99)           echo -c99                       ;;

  3560.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3561.             -mieee)             echo -ieee                      ;;

  3562.             -O*|-fast)          echo $flag                      ;;

  3563.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3564.             -g)                 echo -g3                        ;;

  3565.             -Wall)              echo -msg_enable level2         ;;

  3566.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3567.             -Wl,*)              echo $flag                      ;;

  3568.             -f*|-W*)                                            ;;

  3569.             *)                  echo $flag                      ;;

  3570.         esac

  3571.    done

  3572. }

  3573. 

  3574. cparser_flags(){

  3575.     for flag; do

  3576.         case $flag in

  3577.             -Wno-switch)             echo -Wno-switch-enum ;;

  3578.             -Wno-format-zero-length) ;;

  3579.             -Wdisabled-optimization) ;;

  3580.             -Wno-pointer-sign)       echo -Wno-other ;;

  3581.             *)                       echo $flag ;;

  3582.         esac

  3583.     done

  3584. }

  3585. 

  3586. msvc_common_flags(){

  3587.     for flag; do

  3588.         case $flag in

  3589.             # In addition to specifying certain flags under the compiler

  3590.             # specific filters, they must be specified here as well or else the

  3591.             # generic catch all at the bottom will print the original flag.

  3592.             -Wall)                ;;

  3593.             -std=c99)             ;;

  3594.             # Common flags

  3595.             -fomit-frame-pointer) ;;

  3596.             -g)                   echo -Z7 ;;

  3597.             -fno-math-errno)      ;;

  3598.             -fno-common)          ;;

  3599.             -fno-signed-zeros)    ;;

  3600.             -fPIC)                ;;

  3601.             -mthumb)              ;;

  3602.             -march=*)             ;;

  3603.             -lz)                  echo zlib.lib ;;

  3604.             -lavifil32)           echo vfw32.lib ;;

  3605.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3606.             -lx264)               echo libx264.lib ;;

  3607.             -l*)                  echo ${flag#-l}.lib ;;

  3608.             -LARGEADDRESSAWARE)   echo $flag ;;

  3609.             -L*)                  echo -libpath:${flag#-L} ;;

  3610.             *)                    echo $flag ;;

  3611.         esac

  3612.     done

  3613. }

  3614. 

  3615. msvc_flags(){

  3616.     msvc_common_flags "$@"

  3617.     for flag; do

  3618.         case $flag in

  3619.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3620.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3621.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3622.                                        -wd4307 \

  3623.                                        -wd4273 -wd4554 -wd4701 ;;

  3624.         esac

  3625.     done

  3626. }

  3627. 

  3628. icl_flags(){

  3629.     msvc_common_flags "$@"

  3630.     for flag; do

  3631.         case $flag in

  3632.             # Despite what Intel's documentation says -Wall, which is supported

  3633.             # on Windows, does enable remarks so disable them here.

  3634.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3635.             -std=c99)             echo -Qstd=c99 ;;

  3636.             -flto)                echo -ipo ;;

  3637.         esac

  3638.     done

  3639. }

  3640. 

  3641. icc_flags(){

  3642.     for flag; do

  3643.         case $flag in

  3644.             -flto)                echo -ipo ;;

  3645.             *)                    echo $flag ;;

  3646.         esac

  3647.     done

  3648. }

  3649. 

  3650. pgi_flags(){

  3651.     for flag; do

  3652.         case $flag in

  3653.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3654.             -fomit-frame-pointer) echo -Mnoframe ;;

  3655.             -g)                   echo -gopt ;;

  3656.             *)                    echo $flag ;;

  3657.         esac

  3658.     done

  3659. }

  3660. 

  3661. suncc_flags(){

  3662.     for flag; do

  3663.         case $flag in

  3664.             -march=*|-mcpu=*)

  3665.                 case "${flag#*=}" in

  3666.                     native)                   echo -xtarget=native       ;;

  3667.                     v9|niagara)               echo -xarch=sparc          ;;

  3668.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3669.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3670.                     i586|pentium)             echo -xchip=pentium        ;;

  3671.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3672.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3673.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3674.                     pentium4*)          echo -xtarget=pentium4           ;;

  3675.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3676.                     *-sse3)             echo -xarch=sse3                 ;;

  3677.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3678.                     bonnell)                   echo -xarch=ssse3         ;;

  3679.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3680.                     westmere)                  echo -xtarget=westmere    ;;

  3681.                     silvermont)                echo -xarch=sse4_2        ;;

  3682.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3683.                     core-avx*|ivybridge|haswell|broadwell)

  3684.                                                echo -xarch=avx           ;;

  3685.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3686.                     btver1)                    echo -xarch=amdsse4a      ;;

  3687.                     btver2|bdver*)             echo -xarch=avx           ;;

  3688.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3689.                     k8|opteron|athlon64|athlon-fx)

  3690.                                                echo -xarch=sse2a         ;;

  3691.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3692.                 esac

  3693.                 ;;

  3694.             -std=c99)             echo -xc99              ;;

  3695.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3696.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3697.             -W*,*)                echo $flag              ;;

  3698.             -f*-*|-W*|-mimpure-text)                      ;;

  3699.             -shared)              echo -G                 ;;

  3700.             *)                    echo $flag              ;;

  3701.         esac

  3702.     done

  3703. }

  3704. 

  3705. tms470_flags(){

  3706.     for flag; do

  3707.         case $flag in

  3708.             -march=*|-mcpu=*)

  3709.                 case "${flag#*=}" in

  3710.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3711.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3712.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3713.                     armv6*|arm11*)          echo -mv=6   ;;

  3714.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3715.                                             echo -mv=5e  ;;

  3716.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3717.                 esac

  3718.                 ;;

  3719.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3720.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3721.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3722.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3723.             -msoft-float)   echo --float_support=vfplib       ;;

  3724.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3725.             -g)             echo -g -mn                       ;;

  3726.             -pds=*)         echo $flag                        ;;

  3727.             -D*|-I*)        echo $flag                        ;;

  3728.             --gcc|--abi=*)  echo $flag                        ;;

  3729.             -me)            echo $flag                        ;;

  3730.         esac

  3731.     done

  3732. }

  3733. 

  3734. probe_cc(){

  3735.     pfx=$1

  3736.     _cc=$2

  3737.     first=$3

  3738. 

  3739.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3740.     unset _ld_o _ldflags _ld_lib _ld_path

  3741.     unset _depflags _DEPCMD _DEPFLAGS

  3742.     _flags_filter=echo

  3743. 

  3744.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3745.         true # no-op to avoid reading stdin in following checks

  3746.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3747.         _type=llvm_gcc

  3748.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3749.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3750.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3751.         _cflags_speed='-O3'

  3752.         _cflags_size='-Os'

  3753.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3754.         _type=gcc

  3755.         gcc_version=$($_cc --version | head -n1)

  3756.         gcc_basever=$($_cc -dumpversion)

  3757.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3758.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3759.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3760.         case $gcc_basever in

  3761.             2) ;;

  3762.             2.*) ;;

  3763.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3764.         esac

  3765.         if [ "$first" = true ]; then

  3766.             case $gcc_basever in

  3767.                 4.2*)

  3768.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3769.             esac

  3770.         fi

  3771.         _cflags_speed='-O3'

  3772.         _cflags_size='-Os'

  3773.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3774.         _type=icc

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

  3776.         _depflags='-MMD'

  3777.         _cflags_speed='-O3'

  3778.         _cflags_size='-Os'

  3779.         _cflags_noopt='-O1'

  3780.         _flags_filter=icc_flags

  3781.     elif $_cc -v 2>&1 | grep -q xlc; then

  3782.         _type=xlc

  3783.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3784.         _cflags_speed='-O5'

  3785.         _cflags_size='-O5 -qcompact'

  3786.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3787.         _type=ccc

  3788.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3789.         _DEPFLAGS='-M'

  3790.         _cflags_speed='-fast'

  3791.         _cflags_size='-O1'

  3792.         _flags_filter=ccc_flags

  3793.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3794.         test -d "$sysroot" || die "No valid sysroot specified."

  3795.         _type=armcc

  3796.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3797.         armcc_conf="$PWD/armcc.conf"

  3798.         $_cc --arm_linux_configure                 \

  3799.              --arm_linux_config_file="$armcc_conf" \

  3800.              --configure_sysroot="$sysroot"        \

  3801.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3802.              die "Error creating armcc configuration file."

  3803.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3804.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3805.         as_default="${cross_prefix}gcc"

  3806.         _depflags='-MMD'

  3807.         _cflags_speed='-O3'

  3808.         _cflags_size='-Os'

  3809.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3810.         _type=tms470

  3811.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3812.         _flags='--gcc --abi=eabi -me'

  3813.         _cc_e='-ppl -fe=$@'

  3814.         _cc_o='-fe=$@'

  3815.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3816.         _cflags_speed='-O3 -mf=5'

  3817.         _cflags_size='-O3 -mf=2'

  3818.         _flags_filter=tms470_flags

  3819.     elif $_cc -v 2>&1 | grep -q clang; then

  3820.         _type=clang

  3821.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3822.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3823.         _cflags_speed='-O3'

  3824.         _cflags_size='-Os'

  3825.     elif $_cc -V 2>&1 | grep -q Sun; then

  3826.         _type=suncc

  3827.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3828.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3829.         _DEPFLAGS='-xM1 -xc99'

  3830.         _ldflags='-std=c99'

  3831.         _cflags_speed='-O5'

  3832.         _cflags_size='-O5 -xspace'

  3833.         _flags_filter=suncc_flags

  3834.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3835.         _type=pathscale

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

  3837.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3838.         _cflags_speed='-O2'

  3839.         _cflags_size='-Os'

  3840.         _flags_filter='filter_out -Wdisabled-optimization'

  3841.     elif $_cc -v 2>&1 | grep -q Open64; then

  3842.         _type=open64

  3843.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3844.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3845.         _cflags_speed='-O2'

  3846.         _cflags_size='-Os'

  3847.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3848.     elif $_cc -V 2>&1 | grep -q Portland; then

  3849.         _type=pgi

  3850.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3851.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3852.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3853.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3854.         _cflags_noopt="-O"

  3855.         _flags_filter=pgi_flags

  3856.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3857.         _type=armasm

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

  3859.         # 4509: "This form of conditional instruction is deprecated"

  3860.         _flags="-nologo -ignore 4509"

  3861.         _flags_filter=armasm_flags

  3862.     elif $_cc 2>&1 | grep -q Intel; then

  3863.         _type=icl

  3864.         _ident=$($_cc 2>&1 | head -n1)

  3865.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3866.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3867.         # versions (tested) as well.

  3868.         _cflags_speed="-O2"

  3869.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3870.         if $_cc 2>&1 | grep -q Linker; then

  3871.             _ld_o='-out:$@'

  3872.         else

  3873.             _ld_o='-Fe$@'

  3874.         fi

  3875.         _cc_o='-Fo$@'

  3876.         _cc_e='-P'

  3877.         _flags_filter=icl_flags

  3878.         _ld_lib='lib%.a'

  3879.         _ld_path='-libpath:'

  3880.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3881.         _flags='-nologo -Qdiag-error:4044,10157'

  3882.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3883.         # with MSVC which enables it by default.

  3884.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3885.         disable stripping

  3886.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3887.         _type=msvc

  3888.         _ident=$($_cc 2>&1 | head -n1)

  3889.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3890.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3891.         _cflags_speed="-O2"

  3892.         _cflags_size="-O1"

  3893.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3894.             _ld_o='-out:$@'

  3895.         else

  3896.             _ld_o='-Fe$@'

  3897.         fi

  3898.         _cc_o='-Fo$@'

  3899.         _cc_e='-P -Fi$@'

  3900.         _flags_filter=msvc_flags

  3901.         _ld_lib='lib%.a'

  3902.         _ld_path='-libpath:'

  3903.         _flags='-nologo'

  3904.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3905.         disable stripping

  3906.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3907.         _type=cparser

  3908.         _ident=$($_cc --version | head -n1)

  3909.         _depflags='-MMD'

  3910.         _cflags_speed='-O4'

  3911.         _cflags_size='-O2'

  3912.         _flags_filter=cparser_flags

  3913.     fi

  3914. 

  3915.     eval ${pfx}_type=\$_type

  3916.     eval ${pfx}_ident=\$_ident

  3917. }

  3918. 

  3919. set_ccvars(){

  3920.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3921.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3922.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3923. 

  3924.     if [ -n "$_depflags" ]; then

  3925.         eval ${1}_DEPFLAGS=\$_depflags

  3926.     else

  3927.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3928.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3929.         eval DEP${1}FLAGS=\$_flags

  3930.     fi

  3931. }

  3932. 

  3933. probe_cc cc "$cc" "true"

  3934. cflags_filter=$_flags_filter

  3935. cflags_speed=$_cflags_speed

  3936. cflags_size=$_cflags_size

  3937. cflags_noopt=$_cflags_noopt

  3938. add_cflags $_flags $_cflags

  3939. cc_ldflags=$_ldflags

  3940. set_ccvars CC

  3941. 

  3942. probe_cc hostcc "$host_cc"

  3943. host_cflags_filter=$_flags_filter

  3944. add_host_cflags  $_flags $_cflags

  3945. set_ccvars HOSTCC

  3946. 

  3947. test -n "$cc_type" && enable $cc_type ||

  3948.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3949. 

  3950. : ${as_default:=$cc}

  3951. : ${objcc_default:=$cc}

  3952. : ${dep_cc_default:=$cc}

  3953. : ${ld_default:=$cc}

  3954. : ${host_ld_default:=$host_cc}

  3955. set_default ar as objcc dep_cc ld host_ld windres

  3956. 

  3957. probe_cc as "$as"

  3958. asflags_filter=$_flags_filter

  3959. add_asflags $_flags $_cflags

  3960. set_ccvars AS

  3961. 

  3962. probe_cc objcc "$objcc"

  3963. objcflags_filter=$_flags_filter

  3964. add_objcflags $_flags $_cflags

  3965. set_ccvars OBJC

  3966. 

  3967. probe_cc ld "$ld"

  3968. ldflags_filter=$_flags_filter

  3969. add_ldflags $_flags $_ldflags

  3970. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3971. LD_O=${_ld_o-$LD_O}

  3972. LD_LIB=${_ld_lib-$LD_LIB}

  3973. LD_PATH=${_ld_path-$LD_PATH}

  3974. 

  3975. probe_cc hostld "$host_ld"

  3976. host_ldflags_filter=$_flags_filter

  3977. add_host_ldflags $_flags $_ldflags

  3978. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3979. 

  3980. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3981.     probe_cc depcc "$dep_cc"

  3982.     CCDEP=${_DEPCMD:-$DEPCMD}

  3983.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3984.     DEPCCFLAGS=$_flags

  3985. fi

  3986. 

  3987. if $ar 2>&1 | grep -q Microsoft; then

  3988.     arflags="-nologo"

  3989.     ar_o='-out:$@'

  3990. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3991.     arflags="rq"

  3992.     ar_o='$@'

  3993. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3994.     arflags='-Xany -r -c'

  3995.     ar_o='$@'

  3996. elif $ar 2>&1 | grep -q "\[D\] "; then

  3997.     arflags="rcD"

  3998.     ar_o='$@'

  3999. else

  4000.     arflags="rc"

  4001.     ar_o='$@'

  4002. fi

  4003. 

  4004. add_cflags $extra_cflags

  4005. add_cxxflags $extra_cxxflags

  4006. add_objcflags $extra_objcflags

  4007. add_asflags $extra_cflags

  4008. 

  4009. if test -n "$sysroot"; then

  4010.     case "$cc_type" in

  4011.         gcc|llvm_gcc|clang)

  4012.             add_cppflags --sysroot="$sysroot"

  4013.             add_ldflags --sysroot="$sysroot"

  4014. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  4015.             add_cppflags -isysroot "$sysroot"

  4016.             add_ldflags -isysroot "$sysroot"

  4017.         ;;

  4018.         tms470)

  4019.             add_cppflags -I"$sysinclude"

  4020.             add_ldflags  --sysroot="$sysroot"

  4021.         ;;

  4022.     esac

  4023. fi

  4024. 

  4025. if test "$cpu" = host; then

  4026.     enabled cross_compile &&

  4027.         die "--cpu=host makes no sense when cross-compiling."

  4028. 

  4029.     case "$cc_type" in

  4030.         gcc|llvm_gcc)

  4031.             check_native(){

  4032.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4033.                 sed -n "/cc1.*$1=/{

  4034.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4035.                             p

  4036.                             q

  4037.                         }" $TMPE

  4038.             }

  4039.             cpu=$(check_native -march || check_native -mcpu)

  4040.         ;;

  4041.         clang)

  4042.             check_native(){

  4043.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4044.                 sed -n "/cc1.*-target-cpu /{

  4045.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4046.                             p

  4047.                             q

  4048.                         }" $TMPE

  4049.             }

  4050.             cpu=$(check_native -march)

  4051.         ;;

  4052.     esac

  4053. 

  4054.     test "${cpu:-host}" = host &&

  4055.         die "--cpu=host not supported with compiler $cc"

  4056. fi

  4057. 

  4058. # Deal with common $arch aliases

  4059. case "$arch" in

  4060.     aarch64|arm64)

  4061.         arch="aarch64"

  4062.     ;;

  4063.     arm*|iPad*|iPhone*)

  4064.         arch="arm"

  4065.     ;;

  4066.     mips*|IP*)

  4067.         case "$arch" in

  4068.         *el)

  4069.             add_cppflags -EL

  4070.             add_ldflags -EL

  4071.         ;;

  4072.         *eb)

  4073.             add_cppflags -EB

  4074.             add_ldflags -EB

  4075.         ;;

  4076.         esac

  4077.         arch="mips"

  4078.     ;;

  4079.     parisc*|hppa*)

  4080.         arch="parisc"

  4081.     ;;

  4082.     "Power Macintosh"|ppc*|powerpc*)

  4083.         arch="ppc"

  4084.     ;;

  4085.     s390|s390x)

  4086.         arch="s390"

  4087.     ;;

  4088.     sh4|sh)

  4089.         arch="sh4"

  4090.     ;;

  4091.     sun4u|sparc*)

  4092.         arch="sparc"

  4093.     ;;

  4094.     tilegx|tile-gx)

  4095.         arch="tilegx"

  4096.     ;;

  4097.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4098.         arch="x86"

  4099.     ;;

  4100. esac

  4101. 

  4102. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4103. enable $arch

  4104. 

  4105. # Add processor-specific flags

  4106. if enabled aarch64; then

  4107. 

  4108.     case $cpu in

  4109.         armv*)

  4110.             cpuflags="-march=$cpu"

  4111.         ;;

  4112.         *)

  4113.             cpuflags="-mcpu=$cpu"

  4114.         ;;

  4115.     esac

  4116. 

  4117. elif enabled alpha; then

  4118. 

  4119.     cpuflags="-mcpu=$cpu"

  4120. 

  4121. elif enabled arm; then

  4122. 

  4123.     check_arm_arch() {

  4124.         check_cpp_condition stddef.h \

  4125.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4126.             $cpuflags

  4127.     }

  4128. 

  4129.     probe_arm_arch() {

  4130.         if   check_arm_arch 4;        then echo armv4;

  4131.         elif check_arm_arch 4T;       then echo armv4t;

  4132.         elif check_arm_arch 5;        then echo armv5;

  4133.         elif check_arm_arch 5E;       then echo armv5e;

  4134.         elif check_arm_arch 5T;       then echo armv5t;

  4135.         elif check_arm_arch 5TE;      then echo armv5te;

  4136.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4137.         elif check_arm_arch 6;        then echo armv6;

  4138.         elif check_arm_arch 6J;       then echo armv6j;

  4139.         elif check_arm_arch 6K;       then echo armv6k;

  4140.         elif check_arm_arch 6Z;       then echo armv6z;

  4141.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4142.         elif check_arm_arch 6T2;      then echo armv6t2;

  4143.         elif check_arm_arch 7;        then echo armv7;

  4144.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4145.         elif check_arm_arch 7S;       then echo armv7-a;

  4146.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4147.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4148.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4149.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4150.         fi

  4151.     }

  4152. 

  4153.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4154. 

  4155.     case $cpu in

  4156.         armv*)

  4157.             cpuflags="-march=$cpu"

  4158.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4159.         ;;

  4160.         *)

  4161.             cpuflags="-mcpu=$cpu"

  4162.             case $cpu in

  4163.                 cortex-a*)                               subarch=armv7a  ;;

  4164.                 cortex-r*)                               subarch=armv7r  ;;

  4165.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4166.                 arm11*)                                  subarch=armv6   ;;

  4167.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4168.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4169.                 *)                             subarch=$(probe_arm_arch) ;;

  4170.             esac

  4171.         ;;

  4172.     esac

  4173. 

  4174.     case "$subarch" in

  4175.         armv5t*)    enable fast_clz                ;;

  4176.         armv[6-8]*)

  4177.             enable fast_clz

  4178.             disabled fast_unaligned || enable fast_unaligned

  4179.             ;;

  4180.     esac

  4181. 

  4182. elif enabled avr32; then

  4183. 

  4184.     case $cpu in

  4185.         ap7[02]0[0-2])

  4186.             subarch="avr32_ap"

  4187.             cpuflags="-mpart=$cpu"

  4188.         ;;

  4189.         ap)

  4190.             subarch="avr32_ap"

  4191.             cpuflags="-march=$cpu"

  4192.         ;;

  4193.         uc3[ab]*)

  4194.             subarch="avr32_uc"

  4195.             cpuflags="-mcpu=$cpu"

  4196.         ;;

  4197.         uc)

  4198.             subarch="avr32_uc"

  4199.             cpuflags="-march=$cpu"

  4200.         ;;

  4201.     esac

  4202. 

  4203. elif enabled bfin; then

  4204. 

  4205.     cpuflags="-mcpu=$cpu"

  4206. 

  4207. elif enabled mips; then

  4208. 

  4209.     cpuflags="-march=$cpu"

  4210. 

  4211.     case $cpu in

  4212.         24kc)

  4213.             disable mips32r6

  4214.             disable mips64r2

  4215.             disable mips64r6

  4216.             disable mipsfpu

  4217.             disable mipsdsp

  4218.             disable mipsdspr2

  4219.             disable msa

  4220.         ;;

  4221.         24kf*)

  4222.             disable mips32r6

  4223.             disable mips64r2

  4224.             disable mips64r6

  4225.             disable mipsdsp

  4226.             disable mipsdspr2

  4227.             disable msa

  4228.         ;;

  4229.         24kec|34kc|1004kc)

  4230.             disable mips32r6

  4231.             disable mips64r2

  4232.             disable mips64r6

  4233.             disable mipsfpu

  4234.             disable mipsdspr2

  4235.             disable msa

  4236.         ;;

  4237.         24kef*|34kf*|1004kf*)

  4238.             disable mips32r6

  4239.             disable mips64r2

  4240.             disable mips64r6

  4241.             disable mipsdspr2

  4242.             disable msa

  4243.         ;;

  4244.         74kc)

  4245.             disable mips32r6

  4246.             disable mips64r2

  4247.             disable mips64r6

  4248.             disable mipsfpu

  4249.             disable msa

  4250.         ;;

  4251.         74kf)

  4252.             disable mips32r6

  4253.             disable mips64r2

  4254.             disable mips64r6

  4255.             disable msa

  4256.         ;;

  4257.         p5600)

  4258.             disable mips32r6

  4259.             disable mips64r2

  4260.             disable mips64r6

  4261.             disable mipsdsp

  4262.             disable mipsdspr2

  4263.             check_cflags "-mtune=p5600" &&

  4264.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4265.             add_asflags "-mfp64"

  4266.         ;;

  4267.         i6400)

  4268.             disable mips32r2

  4269.             disable mips32r6

  4270.             disable mips64r2

  4271.             disable mipsdsp

  4272.             disable mipsdspr2

  4273.             check_cflags "-mtune=i6400 -mabi=64" &&

  4274.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4275.             check_ldflags "-mabi=64" &&

  4276.             add_asflags "-mfp64"

  4277.         ;;

  4278.         loongson*)

  4279.             disable mips32r2

  4280.             disable mips32r6

  4281.             disable mips64r2

  4282.             disable mips64r6

  4283.             disable mipsfpu

  4284.             disable mipsdsp

  4285.             disable mipsdspr2

  4286.             disable msa

  4287.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4288.             enable simd_align_16

  4289.             enable fast_64bit

  4290.             enable fast_clz

  4291.             enable fast_cmov

  4292.             enable fast_unaligned

  4293.             disable aligned_stack

  4294.             case $cpu in

  4295.                 loongson3*)

  4296.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4297.                 ;;

  4298.                 loongson2e)

  4299.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4300.                 ;;

  4301.                 loongson2f)

  4302.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4303.                 ;;

  4304.             esac

  4305.         ;;

  4306.         generic)

  4307.             # We do not disable anything. Is up to the user to disable

  4308.             # the unwanted features.

  4309.         ;;

  4310.         *)

  4311.             # Unknown CPU. Disable everything.

  4312.             warn "unknown CPU. Disabling all MIPS optimizations."

  4313.             disable mipsfpu

  4314.             disable mips32r2

  4315.             disable mips32r6

  4316.             disable mips64r2

  4317.             disable mips64r6

  4318.             disable mipsdsp

  4319.             disable mipsdspr2

  4320.             disable msa

  4321.         ;;

  4322.     esac

  4323. 

  4324. elif enabled ppc; then

  4325. 

  4326.     disable ldbrx

  4327. 

  4328.     case $(tolower $cpu) in

  4329.         601|ppc601|powerpc601)

  4330.             cpuflags="-mcpu=601"

  4331.             disable altivec

  4332.         ;;

  4333.         603*|ppc603*|powerpc603*)

  4334.             cpuflags="-mcpu=603"

  4335.             disable altivec

  4336.         ;;

  4337.         604*|ppc604*|powerpc604*)

  4338.             cpuflags="-mcpu=604"

  4339.             disable altivec

  4340.         ;;

  4341.         g3|75*|ppc75*|powerpc75*)

  4342.             cpuflags="-mcpu=750"

  4343.             disable altivec

  4344.         ;;

  4345.         g4|745*|ppc745*|powerpc745*)

  4346.             cpuflags="-mcpu=7450"

  4347.             disable vsx

  4348.         ;;

  4349.         74*|ppc74*|powerpc74*)

  4350.             cpuflags="-mcpu=7400"

  4351.             disable vsx

  4352.         ;;

  4353.         g5|970|ppc970|powerpc970)

  4354.             cpuflags="-mcpu=970"

  4355.             disable vsx

  4356.         ;;

  4357.         power[3-6]*)

  4358.             cpuflags="-mcpu=$cpu"

  4359.             disable vsx

  4360.         ;;

  4361.         power[7-8]*)

  4362.             cpuflags="-mcpu=$cpu"

  4363.         ;;

  4364.         cell)

  4365.             cpuflags="-mcpu=cell"

  4366.             enable ldbrx

  4367.             disable vsx

  4368.         ;;

  4369.         e500mc)

  4370.             cpuflags="-mcpu=e500mc"

  4371.             disable altivec

  4372.         ;;

  4373.         e500v2)

  4374.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4375.             disable altivec

  4376.             disable dcbzl

  4377.         ;;

  4378.         e500)

  4379.             cpuflags="-mcpu=8540 -mhard-float"

  4380.             disable altivec

  4381.             disable dcbzl

  4382.         ;;

  4383.     esac

  4384. 

  4385. elif enabled sparc; then

  4386. 

  4387.     case $cpu in

  4388.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4389.             cpuflags="-mcpu=$cpu"

  4390.         ;;

  4391.         ultrasparc*|niagara[234])

  4392.             cpuflags="-mcpu=$cpu"

  4393.         ;;

  4394.     esac

  4395. 

  4396. elif enabled x86; then

  4397. 

  4398.     case $cpu in

  4399.         i[345]86|pentium)

  4400.             cpuflags="-march=$cpu"

  4401.             disable i686

  4402.             disable mmx

  4403.         ;;

  4404.         # targets that do NOT support nopl and conditional mov (cmov)

  4405.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4406.             cpuflags="-march=$cpu"

  4407.             disable i686

  4408.         ;;

  4409.         # targets that do support nopl and conditional mov (cmov)

  4410.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4411.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4412.             cpuflags="-march=$cpu"

  4413.             enable i686

  4414.             enable fast_cmov

  4415.         ;;

  4416.         # targets that do support conditional mov but on which it's slow

  4417.         pentium4|pentium4m|prescott|nocona)

  4418.             cpuflags="-march=$cpu"

  4419.             enable i686

  4420.             disable fast_cmov

  4421.         ;;

  4422.     esac

  4423. 

  4424. fi

  4425. 

  4426. if [ "$cpu" != generic ]; then

  4427.     add_cflags  $cpuflags

  4428.     add_asflags $cpuflags

  4429.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4430. fi

  4431. 

  4432. # compiler sanity check

  4433. check_exec <<EOF

  4434. int main(void){ return 0; }

  4435. EOF

  4436. if test "$?" != 0; then

  4437.     echo "$cc is unable to create an executable file."

  4438.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4439.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4440.         echo "Only do this if you know what cross compiling means."

  4441.     fi

  4442.     die "C compiler test failed."

  4443. fi

  4444. 

  4445. add_cppflags -D_ISOC99_SOURCE

  4446. add_cxxflags -D__STDC_CONSTANT_MACROS

  4447. check_cflags -std=c99

  4448. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4449. #include <stdlib.h>

  4450. EOF

  4451. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4452. #include <stdlib.h>

  4453. EOF

  4454. 

  4455. add_host_cppflags -D_ISOC99_SOURCE

  4456. check_host_cflags -std=c99

  4457. check_host_cflags -Wall

  4458. check_host_cflags -O3

  4459. 

  4460. check_64bit(){

  4461.     arch32=$1

  4462.     arch64=$2

  4463.     expr=$3

  4464.     check_code cc "" "int test[2*($expr) - 1]" &&

  4465.         subarch=$arch64 || subarch=$arch32

  4466. }

  4467. 

  4468. case "$arch" in

  4469.     aarch64|alpha|ia64)

  4470.         spic=$shared

  4471.     ;;

  4472.     mips)

  4473.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4474.         spic=$shared

  4475.     ;;

  4476.     parisc)

  4477.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4478.         spic=$shared

  4479.     ;;

  4480.     ppc)

  4481.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4482.         spic=$shared

  4483.     ;;

  4484.     s390)

  4485.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4486.         spic=$shared

  4487.     ;;

  4488.     sparc)

  4489.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4490.         spic=$shared

  4491.     ;;

  4492.     x86)

  4493.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4494.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4495.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4496.             subarch=x86_64

  4497.         if test "$subarch" = "x86_64"; then

  4498.             spic=$shared

  4499.         fi

  4500.     ;;

  4501.     ppc)

  4502.         check_cc <<EOF && subarch="ppc64"

  4503.         int test[(int)sizeof(char*) - 7];

  4504. EOF

  4505.     ;;

  4506. esac

  4507. 

  4508. enable $subarch

  4509. enabled spic && enable_weak pic

  4510. 

  4511. # OS specific

  4512. case $target_os in

  4513.     aix)

  4514.         SHFLAGS=-shared

  4515.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4516.         enabled shared && add_ldflags -Wl,-brtl

  4517.         ;;

  4518.     android)

  4519.         disable symver

  4520.         enable section_data_rel_ro

  4521.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4522.         SLIB_INSTALL_LINKS=

  4523.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4524.         ;;

  4525.     haiku)

  4526.         prefix_default="/boot/common"

  4527.         network_extralibs="-lnetwork"

  4528.         host_libs=

  4529.         ;;

  4530.     sunos)

  4531.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4532.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4533.         network_extralibs="-lsocket -lnsl"

  4534.         add_cppflags -D__EXTENSIONS__

  4535.         # When using suncc to build, the Solaris linker will mark

  4536.         # an executable with each instruction set encountered by

  4537.         # the Solaris assembler.  As our libraries contain their own

  4538.         # guards for processor-specific code, instead suppress

  4539.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4540.         enabled_all suncc x86 &&

  4541.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4542.             add_ldflags -Wl,-M,mapfile

  4543.         nm_default='nm -P -g'

  4544.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4545.         ;;

  4546.     netbsd)

  4547.         disable symver

  4548.         oss_indev_extralibs="-lossaudio"

  4549.         oss_outdev_extralibs="-lossaudio"

  4550.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4551.         ;;

  4552.     openbsd|bitrig)

  4553.         disable symver

  4554.         SHFLAGS='-shared'

  4555.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4556.         SLIB_INSTALL_LINKS=

  4557.         oss_indev_extralibs="-lossaudio"

  4558.         oss_outdev_extralibs="-lossaudio"

  4559.         ;;

  4560.     dragonfly)

  4561.         disable symver

  4562.         ;;

  4563.     freebsd)

  4564.         ;;

  4565.     bsd/os)

  4566.         add_extralibs -lpoll -lgnugetopt

  4567.         strip="strip -d"

  4568.         ;;

  4569.     darwin)

  4570.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4571.         install_name_dir_default='$(SHLIBDIR)'

  4572.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4573.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4574.         strip="${strip} -x"

  4575.         add_ldflags -Wl,-dynamic,-search_paths_first

  4576.         SLIBSUF=".dylib"

  4577.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4578.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4579.         objformat="macho"

  4580.         enabled x86_64 && objformat="macho64"

  4581.         enabled_any pic shared x86_64 ||

  4582.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4583.         check_header dispatch/dispatch.h

  4584.         ;;

  4585.     msys*)

  4586.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4587.         ;;

  4588.     mingw32*|mingw64*)

  4589.         if test $target_os = "mingw32ce"; then

  4590.             disable network

  4591.         else

  4592.             target_os=mingw32

  4593.         fi

  4594.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4595.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4596.         LIBTARGET=i386

  4597.         if enabled x86_64; then

  4598.             LIBTARGET="i386:x86-64"

  4599.         elif enabled arm; then

  4600.             LIBTARGET=arm-wince

  4601.         fi

  4602.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4603.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4604.         shlibdir_default="$bindir_default"

  4605.         SLIBPREF=""

  4606.         SLIBSUF=".dll"

  4607.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4608.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4609.         dlltool="${cross_prefix}dlltool"

  4610.         if check_cmd lib.exe -list; then

  4611.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4612.             if enabled x86_64; then

  4613.                 LIBTARGET=x64

  4614.             fi

  4615.         elif check_cmd $dlltool --version; then

  4616.             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)'

  4617.         fi

  4618.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4619.         SLIB_INSTALL_LINKS=

  4620.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4621.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4622.         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'

  4623.         objformat="win32"

  4624.         ranlib=:

  4625.         enable dos_paths

  4626.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4627.         # Lets work around some stupidity in binutils.

  4628.         # ld will strip relocations from executables even though we need them

  4629.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4630.         # however ld then forgets what the entry point should be (oops) so we

  4631.         # have to manually (re)set it.

  4632.         if enabled x86_32; then

  4633.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4634.         elif enabled x86_64; then

  4635.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4636.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4637.             # Set image base >4GB for extra entropy with HEASLR

  4638.             add_ldexeflags -Wl,--image-base,0x140000000

  4639.             append SHFLAGS -Wl,--image-base,0x180000000

  4640.         fi

  4641.         ;;

  4642.     win32|win64)

  4643.         disable symver

  4644.         if enabled shared; then

  4645.             # Link to the import library instead of the normal static library

  4646.             # for shared libs.

  4647.             LD_LIB='%.lib'

  4648.             # Cannot build both shared and static libs with MSVC or icl.

  4649.             disable static

  4650.         fi

  4651.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4652.         shlibdir_default="$bindir_default"

  4653.         SLIBPREF=""

  4654.         SLIBSUF=".dll"

  4655.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4656.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4657.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4658.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4659.         SLIB_INSTALL_LINKS=

  4660.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4661.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4662.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4663.         objformat="win32"

  4664.         ranlib=:

  4665.         enable dos_paths

  4666.         ;;

  4667.     cygwin*)

  4668.         target_os=cygwin

  4669.         shlibdir_default="$bindir_default"

  4670.         SLIBPREF="cyg"

  4671.         SLIBSUF=".dll"

  4672.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4673.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4674.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4675.         SLIB_INSTALL_LINKS=

  4676.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4677.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4678.         objformat="win32"

  4679.         enable dos_paths

  4680.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4681.         ;;

  4682.     *-dos|freedos|opendos)

  4683.         network_extralibs="-lsocket"

  4684.         objformat="coff"

  4685.         enable dos_paths

  4686.         add_cppflags -U__STRICT_ANSI__

  4687.         ;;

  4688.     linux)

  4689.         enable dv1394

  4690.         enable section_data_rel_ro

  4691.         ;;

  4692.     irix*)

  4693.         target_os=irix

  4694.         ranlib="echo ignoring ranlib"

  4695.         ;;

  4696.     os/2*)

  4697.         strip="lxlite -CS"

  4698.         ln_s="cp -f"

  4699.         objformat="aout"

  4700.         add_cppflags -D_GNU_SOURCE

  4701.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4702.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4703.         LIBSUF="_s.a"

  4704.         SLIBPREF=""

  4705.         SLIBSUF=".dll"

  4706.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4707.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4708.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4709.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4710.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4711.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4712.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4713.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4714.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4715.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4716.         enable dos_paths

  4717.         enable_weak os2threads

  4718.         ;;

  4719.     gnu/kfreebsd)

  4720.         add_cppflags -D_BSD_SOURCE

  4721.         ;;

  4722.     gnu)

  4723.         ;;

  4724.     qnx)

  4725.         add_cppflags -D_QNX_SOURCE

  4726.         network_extralibs="-lsocket"

  4727.         ;;

  4728.     symbian)

  4729.         SLIBSUF=".dll"

  4730.         enable dos_paths

  4731.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4732.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4733.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4734.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4735.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4736.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4737.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4738.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4739.         ;;

  4740.     osf1)

  4741.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4742.         ;;

  4743.     minix)

  4744.         ;;

  4745.     plan9)

  4746.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4747.                      -D_REENTRANT_SOURCE        \

  4748.                      -D_RESEARCH_SOURCE         \

  4749.                      -DFD_SETSIZE=96            \

  4750.                      -DHAVE_SOCK_OPTS

  4751.         add_compat strtod.o strtod=avpriv_strtod

  4752.         network_extralibs='-lbsd'

  4753.         exeobjs=compat/plan9/main.o

  4754.         disable ffserver

  4755.         cp_f='cp'

  4756.         ;;

  4757.     none)

  4758.         ;;

  4759.     *)

  4760.         die "Unknown OS '$target_os'."

  4761.         ;;

  4762. esac

  4763. 

  4764. # test if creating links works

  4765. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4766. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4767. mkdir "$link_dest"

  4768. $ln_s "$link_dest" "$link_name"

  4769. touch "$link_dest/test_file"

  4770. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4771.     # create link to source path

  4772.     [ -e src ] && rm src

  4773.     $ln_s "$source_path" src

  4774.     source_link=src

  4775. else

  4776.     # creating directory links doesn't work

  4777.     # fall back to using the full source path

  4778.     source_link="$source_path"

  4779. fi

  4780. # cleanup

  4781. rm -r "$link_dest"

  4782. rm -r "$link_name"

  4783. 

  4784. # determine libc flavour

  4785. 

  4786. probe_libc(){

  4787.     pfx=$1

  4788.     pfx_no_=${pfx%_}

  4789.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4790.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4791.         eval ${pfx}libc_type=uclibc

  4792.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4793.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4794.         eval ${pfx}libc_type=glibc

  4795.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4796.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4797.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4798.         eval ${pfx}libc_type=newlib

  4799.         add_${pfx}cppflags -U__STRICT_ANSI__

  4800.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4801.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4802.         eval ${pfx}libc_type=mingw64

  4803.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4804.             add_compat msvcrt/snprintf.o

  4805.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4806.         fi

  4807.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4808.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4809.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4810.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4811.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4812.         eval ${pfx}libc_type=mingw32

  4813.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4814.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4815.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4816.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4817.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4818.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4819.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4820.         eval ${pfx}libc_type=msvcrt

  4821.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4822.             if [ "$pfx" = host_ ]; then

  4823.                 add_host_cppflags -Dsnprintf=_snprintf

  4824.             else

  4825.                 add_compat strtod.o strtod=avpriv_strtod

  4826.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4827.                                              _snprintf=avpriv_snprintf  \

  4828.                                              vsnprintf=avpriv_vsnprintf

  4829.             fi

  4830.         fi

  4831.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4832.         # 0x601 by default unless something else is set by the user.

  4833.         # This can easily lead to us detecting functions only present

  4834.         # in such new versions and producing binaries requiring windows 7.0.

  4835.         # Therefore explicitly set the default to XP unless the user has

  4836.         # set something else on the command line.

  4837.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4838.         # family. For these cases, configure is free to use any functions

  4839.         # found in the SDK headers by default. (Alternatively, we could force

  4840.         # _WIN32_WINNT to 0x0602 in that case.)

  4841.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4842.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4843. #ifdef WINAPI_FAMILY

  4844. #include <winapifamily.h>

  4845. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4846. #error not desktop

  4847. #endif

  4848. #endif

  4849. EOF

  4850.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4851.         eval ${pfx}libc_type=klibc

  4852.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4853.         eval ${pfx}libc_type=bionic

  4854.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4855.         eval ${pfx}libc_type=solaris

  4856.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4857.     fi

  4858.     check_${pfx}cc <<EOF

  4859. #include <time.h>

  4860. void *v = localtime_r;

  4861. EOF

  4862. 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

  4863. #include <time.h>

  4864. void *v = localtime_r;

  4865. EOF

  4866. 

  4867. }

  4868. 

  4869. probe_libc

  4870. test -n "$libc_type" && enable libc_$libc_type

  4871. probe_libc host_

  4872. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4873. 

  4874. case $libc_type in

  4875.     bionic)

  4876.         add_compat strtod.o strtod=avpriv_strtod

  4877.         ;;

  4878. esac

  4879. 

  4880. # hacks for compiler/libc/os combinations

  4881. 

  4882. if enabled_all tms470 libc_glibc; then

  4883.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4884.     add_cppflags -D__USER_LABEL_PREFIX__=

  4885.     add_cppflags -D__builtin_memset=memset

  4886.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4887.     add_cflags   -pds=48    # incompatible redefinition of macro

  4888. fi

  4889. 

  4890. if enabled_all ccc libc_glibc; then

  4891.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4892. fi

  4893. 

  4894. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4895.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4896. 

  4897. esc(){

  4898.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4899. }

  4900. 

  4901. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4902. 

  4903. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4904. 

  4905. set_default libdir

  4906. : ${shlibdir_default:="$libdir"}

  4907. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4908. 

  4909. set_default $PATHS_LIST

  4910. set_default nm

  4911. 

  4912. # we need to build at least one lib type

  4913. if ! enabled_any static shared; then

  4914.     cat <<EOF

  4915. At least one library type must be built.

  4916. Specify --enable-static to build the static libraries or --enable-shared to

  4917. build the shared libraries as well. To only build the shared libraries specify

  4918. --disable-static in addition to --enable-shared.

  4919. EOF

  4920.     exit 1;

  4921. fi

  4922. 

  4923. die_license_disabled() {

  4924.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4925. }

  4926. 

  4927. die_license_disabled_gpl() {

  4928.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4929. }

  4930. 

  4931. die_license_disabled gpl frei0r

  4932. die_license_disabled gpl libcdio

  4933. die_license_disabled gpl librubberband

  4934. die_license_disabled gpl libsmbclient

  4935. die_license_disabled gpl libutvideo

  4936. die_license_disabled gpl libvidstab

  4937. die_license_disabled gpl libx264

  4938. die_license_disabled gpl libx265

  4939. die_license_disabled gpl libxavs

  4940. die_license_disabled gpl libxvid

  4941. die_license_disabled gpl x11grab

  4942. 

  4943. die_license_disabled nonfree cuda

  4944. die_license_disabled nonfree libfaac

  4945. die_license_disabled nonfree nvenc

  4946. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4947. enabled gpl && die_license_disabled_gpl nonfree openssl

  4948. 

  4949. die_license_disabled version3 gmp

  4950. die_license_disabled version3 libopencore_amrnb

  4951. die_license_disabled version3 libopencore_amrwb

  4952. die_license_disabled version3 libsmbclient

  4953. die_license_disabled version3 libvo_amrwbenc

  4954. 

  4955. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4956. 

  4957. disabled optimizations || check_cflags -fomit-frame-pointer

  4958. 

  4959. enable_weak_pic() {

  4960.     disabled pic && return

  4961.     enable pic

  4962.     add_cppflags -DPIC

  4963.     case "$target_os" in

  4964.     mingw*|cygwin*)

  4965.         ;;

  4966.     *)

  4967.         add_cflags -fPIC

  4968.         ;;

  4969.     esac

  4970.     add_asflags  -fPIC

  4971. }

  4972. 

  4973. enabled pic && enable_weak_pic

  4974. 

  4975. check_cc <<EOF || die "Symbol mangling check failed."

  4976. int ff_extern;

  4977. EOF

  4978. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4979. extern_prefix=${sym%%ff_extern*}

  4980. 

  4981. check_cc <<EOF && enable_weak inline_asm

  4982. void foo(void) { __asm__ volatile ("" ::); }

  4983. EOF

  4984. 

  4985. _restrict=

  4986. for restrict_keyword in restrict __restrict__ __restrict; do

  4987.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4988. void foo(char * $restrict_keyword p);

  4989. EOF

  4990. done

  4991. 

  4992. check_cc <<EOF && enable pragma_deprecated

  4993. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4994. EOF

  4995. 

  4996. check_cc <<EOF && enable attribute_packed

  4997. struct { int x; } __attribute__((packed)) x;

  4998. EOF

  4999. 

  5000. check_cc <<EOF && enable attribute_may_alias

  5001. union { int x; } __attribute__((may_alias)) x;

  5002. EOF

  5003. 

  5004. check_cc <<EOF || die "endian test failed"

  5005. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5006. EOF

  5007. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5008. 

  5009. if ! enabled ppc64 || enabled bigendian; then

  5010.     disable vsx

  5011. fi

  5012. 

  5013. check_gas() {

  5014.     log "check_gas using '$as' as AS"

  5015.     # :vararg is used on aarch64, arm and ppc altivec

  5016.     check_as <<EOF || return 1

  5017. .macro m n, y:vararg=0

  5018. \n: .int \y

  5019. .endm

  5020. m x

  5021. EOF

  5022.     # .altmacro is only used in arm asm

  5023.     ! enabled arm || check_as <<EOF || return 1

  5024. .altmacro

  5025. EOF

  5026.     enable gnu_as

  5027.     return 0

  5028. }

  5029. 

  5030. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5031.     nogas=:

  5032.     enabled_any arm aarch64 && nogas=die

  5033.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5034.     as_noop=-v

  5035. 

  5036.     case $as_type in

  5037.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5038.         gcc)  gaspp_as_type=gas ;;

  5039.         *)    gaspp_as_type=$as_type ;;

  5040.     esac

  5041. 

  5042.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5043. 

  5044.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5045.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5046.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5047. 

  5048.     if ! check_gas ; then

  5049.         as=${gas:=$as}

  5050.         check_gas || \

  5051.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5052.     fi

  5053. 

  5054.     check_as <<EOF && enable as_func

  5055. .func test

  5056. .endfunc

  5057. EOF

  5058. fi

  5059. 

  5060. check_inline_asm inline_asm_labels '"1:\n"'

  5061. 

  5062. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5063. 

  5064. if enabled aarch64; then

  5065.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5066.     # internal assembler in clang 3.3 does not support this instruction

  5067.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5068.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5069. 

  5070.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5071. 

  5072. elif enabled alpha; then

  5073. 

  5074.     check_cflags -mieee

  5075. 

  5076. elif enabled arm; then

  5077. 

  5078.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5079. 

  5080.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5081. float func(float a, float b){ return a+b; }

  5082. EOF

  5083. 

  5084.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5085. 

  5086.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5087.         enable vfp_args

  5088.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5089.         enable vfp_args

  5090.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5091.         case "${cross_prefix:-$cc}" in

  5092.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5093.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5094. __asm__ (".eabi_attribute 28, 1");

  5095. int main(void) { return 0; }

  5096. EOF

  5097.         esac

  5098.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5099.     fi

  5100. 

  5101.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5102.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5103.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5104.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5105.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5106.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5107.     enabled setend  && check_insn setend  'setend be'

  5108. 

  5109.     [ $target_os = linux ] || [ $target_os = android ] ||

  5110.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5111.             $ARCH_EXT_LIST_ARM

  5112. 

  5113.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5114. 

  5115.     check_as <<EOF && enable as_dn_directive

  5116. ra .dn d0.i16

  5117. .unreq ra

  5118. EOF

  5119. 

  5120.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5121.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5122. .object_arch armv4

  5123. EOF

  5124. 

  5125.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5126. 

  5127. elif enabled mips; then

  5128. 

  5129.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5130.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5131.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5132. 

  5133.     # Enable minimum ISA based on selected options

  5134.     if enabled mips64; then

  5135.         if enabled mips64r6; then

  5136.             check_ldflags "-mips64r6" &&

  5137.             add_cflags "-mips64r6" &&

  5138.             add_asflags "-mips64r6" &&

  5139.             check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||

  5140.             disable mips64r6

  5141.         fi

  5142.         if disabled mips64r6 && enabled mips64r2; then

  5143.             check_ldflags "-mips64r2" &&

  5144.             add_cflags "-mips64r2" &&

  5145.             add_asflags "-mips64r2" &&

  5146.             check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||

  5147.             disable mips64r2

  5148.         fi

  5149.         if disabled mips64r6 && disabled mips64r2; then

  5150.             check_ldflags "-mips64" &&

  5151.             add_cflags "-mips64" &&

  5152.             add_asflags "-mips64" &&

  5153.             check_inline_asm mips64r1 '"daddi $0, $0, 0"' ||

  5154.             disable mips64r1

  5155.         fi

  5156.     else

  5157.         if enabled mips32r6; then

  5158.             check_ldflags "-mips32r6" &&

  5159.             add_cflags "-mips32r6" &&

  5160.             add_asflags "-mips32r6" &&

  5161.             check_inline_asm mips32r6 '"aui $0, $0, 0"' ||

  5162.             disable mips32r6

  5163.         fi

  5164.         if disabled mips32r6 && enabled mips32r2; then

  5165.             check_ldflags "-mips32r2" &&

  5166.             add_cflags "-mips32r2" &&

  5167.             add_asflags "-mips32r2" &&

  5168.             check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||

  5169.             disable mips32r2

  5170.         fi

  5171.         if disabled mips32r6 && disabled mips32r2; then

  5172.             check_ldflags "-mips32" &&

  5173.             add_cflags "-mips32" &&

  5174.             add_asflags "-mips32" &&

  5175.             check_inline_asm mips32r1 '"addi $0, $0, 0"' ||

  5176.             disable mips32r1

  5177.         fi

  5178.     fi

  5179. 

  5180.     # MIPS FPU

  5181.     if enabled mipsfpu; then

  5182.         check_ldflags "-mhard-float" &&

  5183.         add_cflags "-mhard-float" &&

  5184.         add_asflags "-mhard-float" &&

  5185.         check_inline_asm mipsfpu '"cvt.d.l $f0, $f2"' ||

  5186.         disable mipsfpu

  5187.     fi

  5188. 

  5189.     # MSA and DSP support require ISA revision level 2 or greater

  5190.     if enabled mips32r2 || enabled mips64r2 || enabled mips32r6 || enabled mips64r6; then

  5191.         # MSA must be used with -mfp64 and -mhard-float

  5192.         if enabled mipsfpu; then

  5193.             if enabled msa; then

  5194.                 check_ldflags "-mfp64 -mmsa" &&

  5195.                 add_cflags "-mfp64 -mmsa" &&

  5196.                 add_asflags "-mfp64 -mmsa" &&

  5197.                 check_inline_asm msa '"addvi.b $w0, $w1, 1"' &&

  5198.                 check_header msa.h ||

  5199.                 disable msa

  5200.             fi

  5201.         else

  5202.             disable msa

  5203.         fi

  5204. 

  5205.         if enabled mipsdsp; then

  5206.             check_ldflags "-mdsp" &&

  5207.             add_cflags "-mdsp" &&

  5208.             add_asflags "-mdsp" &&

  5209.             check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"' ||

  5210.             disable mipsdsp

  5211.         fi

  5212.         if enabled mipsdspr2; then

  5213.             check_ldflags "-mdspr2" &&

  5214.             add_cflags "-mdspr2" &&

  5215.             add_asflags "-mdspr2" &&

  5216.             check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"' ||

  5217.             disable mipsdspr2

  5218.         fi

  5219.     fi

  5220. 

  5221. elif enabled parisc; then

  5222. 

  5223.     if enabled gcc; then

  5224.         case $($cc -dumpversion) in

  5225.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5226.         esac

  5227.     fi

  5228. 

  5229. elif enabled ppc; then

  5230. 

  5231.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5232. 

  5233.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5234.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5235.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5236.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5237. 

  5238.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5239.     if enabled altivec; then

  5240.         check_cflags -maltivec -mabi=altivec &&

  5241.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5242.         check_cflags -faltivec

  5243. 

  5244.         # check if our compiler supports Motorola AltiVec C API

  5245.         check_cc <<EOF || disable altivec

  5246. $inc_altivec_h

  5247. int main(void) {

  5248.     vector signed int v1 = (vector signed int) { 0 };

  5249.     vector signed int v2 = (vector signed int) { 1 };

  5250.     v1 = vec_add(v1, v2);

  5251.     return 0;

  5252. }

  5253. EOF

  5254. 

  5255.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5256.     fi

  5257. 

  5258.     if enabled vsx; then

  5259.         check_cflags -mvsx &&

  5260.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5261.     fi

  5262. 

  5263.     if enabled power8; then

  5264.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5265.     fi

  5266. 

  5267. elif enabled x86; then

  5268. 

  5269.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5270.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5271. 

  5272.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5273. 

  5274.     # check whether EBP is available on x86

  5275.     # As 'i' is stored on the stack, this program will crash

  5276.     # if the base pointer is used to access it because the

  5277.     # base pointer is cleared in the inline assembly code.

  5278.     check_exec_crash <<EOF && enable ebp_available

  5279. volatile int i=0;

  5280. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5281. return i;

  5282. EOF

  5283. 

  5284.     # check whether EBX is available on x86

  5285.     check_inline_asm ebx_available '""::"b"(0)' &&

  5286.         check_inline_asm ebx_available '"":::"%ebx"'

  5287. 

  5288.     # check whether xmm clobbers are supported

  5289.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5290. 

  5291.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5292.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5293. 

  5294.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5295.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5296.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5297. 

  5298.     if ! disabled_any asm mmx yasm; then

  5299.         if check_cmd $yasmexe --version; then

  5300.             enabled x86_64 && yasm_extra="-m amd64"

  5301.             yasm_debug="-g dwarf2"

  5302.         elif check_cmd nasm -v; then

  5303.             yasmexe=nasm

  5304.             yasm_debug="-g -F dwarf"

  5305.             if enabled x86_64; then

  5306.                 case "$objformat" in

  5307.                     elf)   objformat=elf64 ;;

  5308.                     win32) objformat=win64 ;;

  5309.                 esac

  5310.             fi

  5311.         fi

  5312. 

  5313.         YASMFLAGS="-f $objformat $yasm_extra"

  5314.         enabled pic               && append YASMFLAGS "-DPIC"

  5315.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5316.         case "$objformat" in

  5317.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5318.         esac

  5319. 

  5320.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5321.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5322.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5323.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5324.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5325.         check_yasm "CPU amdnop" || disable cpunop

  5326.     fi

  5327. 

  5328.     case "$cpu" in

  5329.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5330.             disable fast_clz

  5331.         ;;

  5332.     esac

  5333. 

  5334. fi

  5335. 

  5336. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5337. 

  5338. check_ldflags -Wl,--as-needed

  5339. check_ldflags -Wl,-z,noexecstack

  5340. 

  5341. if check_func dlopen; then

  5342.     ldl=

  5343. elif check_func dlopen -ldl; then

  5344.     ldl=-ldl

  5345. fi

  5346. 

  5347. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5348. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5349. frei0r_filter_extralibs='$ldl'

  5350. frei0r_src_filter_extralibs='$ldl'

  5351. ladspa_filter_extralibs='$ldl'

  5352. nvenc_encoder_extralibs='$ldl'

  5353. 

  5354. if ! disabled network; then

  5355.     check_func getaddrinfo $network_extralibs

  5356.     check_func inet_aton $network_extralibs

  5357. 

  5358.     check_type netdb.h "struct addrinfo"

  5359.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5360.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5361.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5362.     check_type poll.h "struct pollfd"

  5363.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5364.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5365.     check_type netinet/in.h "struct sockaddr_in6"

  5366.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5367.     check_type "sys/types.h sys/socket.h" socklen_t

  5368. 

  5369.     # Prefer arpa/inet.h over winsock2

  5370.     if check_header arpa/inet.h ; then

  5371.         check_func closesocket

  5372.     elif check_header winsock2.h ; then

  5373.         check_func_headers winsock2.h closesocket -lws2 &&

  5374.             network_extralibs="-lws2" ||

  5375.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5376.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5377.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5378. 

  5379.         check_type ws2tcpip.h socklen_t

  5380.         check_type ws2tcpip.h "struct addrinfo"

  5381.         check_type ws2tcpip.h "struct group_source_req"

  5382.         check_type ws2tcpip.h "struct ip_mreq_source"

  5383.         check_type ws2tcpip.h "struct ipv6_mreq"

  5384.         check_type winsock2.h "struct pollfd"

  5385.         check_struct winsock2.h "struct sockaddr" sa_len

  5386.         check_type ws2tcpip.h "struct sockaddr_in6"

  5387.         check_type ws2tcpip.h "struct sockaddr_storage"

  5388.     else

  5389.         disable network

  5390.     fi

  5391. fi

  5392. 

  5393. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5394. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5395. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5396. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5397. check_builtin sarestart signal.h "SA_RESTART"

  5398. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5399. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5400. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5401. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5402. 

  5403. case "$custom_allocator" in

  5404.     jemalloc)

  5405.         # jemalloc by default does not use a prefix

  5406.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5407.     ;;

  5408.     tcmalloc)

  5409.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5410.         malloc_prefix=tc_

  5411.     ;;

  5412. esac

  5413. 

  5414. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5415. check_func  ${malloc_prefix}memalign            && enable memalign

  5416. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5417. 

  5418. check_func  access

  5419. check_func  arc4random

  5420. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5421. check_func  fcntl

  5422. check_func  fork

  5423. check_func  gethrtime

  5424. check_func  getopt

  5425. check_func  getrusage

  5426. check_func  gettimeofday

  5427. check_func  isatty

  5428. check_func  mach_absolute_time

  5429. check_func  mkstemp

  5430. check_func  mmap

  5431. check_func  mprotect

  5432. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5433. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5434. check_func  sched_getaffinity

  5435. check_func  setrlimit

  5436. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5437. check_func  strerror_r

  5438. check_func  sysconf

  5439. check_func  sysctl

  5440. check_func  usleep

  5441. 

  5442. check_func_headers conio.h kbhit

  5443. check_func_headers io.h setmode

  5444. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5445. check_func_headers stdlib.h getenv

  5446. check_func_headers sys/stat.h lstat

  5447. 

  5448. check_func_headers windows.h CoTaskMemFree -lole32

  5449. check_func_headers windows.h GetProcessAffinityMask

  5450. check_func_headers windows.h GetProcessTimes

  5451. check_func_headers windows.h GetSystemTimeAsFileTime

  5452. check_func_headers windows.h MapViewOfFile

  5453. check_func_headers windows.h PeekNamedPipe

  5454. check_func_headers windows.h SetConsoleTextAttribute

  5455. check_func_headers windows.h SetConsoleCtrlHandler

  5456. check_func_headers windows.h Sleep

  5457. check_func_headers windows.h VirtualAlloc

  5458. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5459. check_func_headers glob.h glob

  5460. enabled xlib &&

  5461.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5462. 

  5463. check_header direct.h

  5464. check_header dirent.h

  5465. check_header dlfcn.h

  5466. check_header d3d11.h

  5467. check_header dxva.h

  5468. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5469. check_header io.h

  5470. check_header libcrystalhd/libcrystalhd_if.h

  5471. check_header mach/mach_time.h

  5472. check_header malloc.h

  5473. check_header net/udplite.h

  5474. check_header poll.h

  5475. check_header sys/mman.h

  5476. check_header sys/param.h

  5477. check_header sys/resource.h

  5478. check_header sys/select.h

  5479. check_header sys/time.h

  5480. check_header sys/un.h

  5481. check_header termios.h

  5482. check_header unistd.h

  5483. check_header valgrind/valgrind.h

  5484. check_header vdpau/vdpau.h

  5485. check_header vdpau/vdpau_x11.h

  5486. check_header VideoDecodeAcceleration/VDADecoder.h

  5487. check_header VideoToolbox/VideoToolbox.h

  5488. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5489. check_header windows.h

  5490. check_header X11/extensions/XvMClib.h

  5491. check_header asm/types.h

  5492. 

  5493. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5494. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5495. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5496. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5497. 

  5498. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5499. 

  5500. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5501. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5502. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5503. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5504. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5505. 

  5506. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5507. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5508. 

  5509. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5510. 

  5511. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5512. 

  5513. if ! disabled w32threads && ! enabled pthreads; then

  5514.     check_func_headers "windows.h process.h" _beginthreadex &&

  5515.         enable w32threads || disable w32threads

  5516.     if ! enabled w32threads && enabled winrt; then

  5517.         check_func_headers "windows.h" CreateThread &&

  5518.             enable w32threads || disable w32threads

  5519.     fi

  5520. fi

  5521. 

  5522. # check for some common methods of building with pthread support

  5523. # do this before the optional library checks as some of them require pthreads

  5524. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5525.     enable pthreads

  5526.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5527.         add_cflags -pthread

  5528.         add_extralibs -pthread

  5529.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5530.         add_cflags -pthreads

  5531.         add_extralibs -pthreads

  5532.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5533.         add_cflags -ldl -pthread

  5534.         add_extralibs -ldl -pthread

  5535.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5536.         add_extralibs -lpthreadGC2

  5537.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5538.         :

  5539.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5540.         disable pthreads

  5541.     fi

  5542.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5543. fi

  5544. 

  5545. 

  5546. if enabled pthreads; then

  5547.   check_func pthread_cancel

  5548. fi

  5549. 

  5550. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5551. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5552. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5553. 

  5554. check_lib math.h sin -lm && LIBM="-lm"

  5555. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5556. 

  5557. atan2f_args=2

  5558. copysign_args=2

  5559. hypot_args=2

  5560. ldexpf_args=2

  5561. powf_args=2

  5562. 

  5563. for func in $MATH_FUNCS; do

  5564.     eval check_mathfunc $func \${${func}_args:-1}

  5565. done

  5566. 

  5567. for func in $COMPLEX_FUNCS; do

  5568.     eval check_complexfunc $func \${${func}_args:-1}

  5569. done

  5570. 

  5571. # these are off by default, so fail if requested and not available

  5572. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5573. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5574.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5575. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5576.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5577.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5578. enabled cuda              && check_lib cuda.h cuInit -lcuda

  5579. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5580. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5581. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5582. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5583. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5584. enabled jni               && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&

  5585.                                check_lib2 "dlfcn.h" dlopen -ldl; }

  5586. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5587. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5588. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5589. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5590. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5591. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5592.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5593.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5594. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5595. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5596. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5597. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5598.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5599.                                  warn "using libfdk without pkg-config"; } }

  5600. 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"

  5601. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5602. enabled fontconfig        && enable libfontconfig

  5603. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5604. enabled libfreetype       && require_libfreetype

  5605. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5606. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5607. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5608.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5609.                                done || die "ERROR: libgsm not found"; }

  5610. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5611. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5612. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5613. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5614. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5615. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5616. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5617. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5618. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5619.                                { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5620.                                  require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5621.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5622. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5623. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5624.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5625.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5626.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5627.                                die "ERROR: libopenjpeg not found"; }

  5628. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5629. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5630. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5631. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5632. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5633. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5634. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5635.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5636. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5637. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5638. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5639. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5640. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5641. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5642. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5643.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5644.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5645. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5646. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5647. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5648. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5649. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5650. 

  5651. enabled libvpx            && {

  5652.     enabled libvpx_vp8_decoder && {

  5653.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5654.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5655.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5656.     }

  5657.     enabled libvpx_vp8_encoder && {

  5658.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5659.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5660.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5661.     }

  5662.     enabled libvpx_vp9_decoder && {

  5663.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5664.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5665.                 disable libvpx_vp9_decoder;

  5666.     }

  5667.     enabled libvpx_vp9_encoder && {

  5668.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5669.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5670.                 disable libvpx_vp9_encoder;

  5671.     }

  5672.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5673.         die "libvpx enabled but no supported decoders found"

  5674.     fi

  5675. }

  5676. 

  5677. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5678. enabled libwebp           && {

  5679.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5680.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5681. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5682.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5683.                                  warn "using libx264 without pkg-config"; } } &&

  5684.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5685.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5686.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5687.                                enable libx262; }

  5688. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5689.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5690.                                die "ERROR: libx265 version must be >= 68."; }

  5691. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5692. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5693. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5694. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5695. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5696.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5697.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5698. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  5699. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5700.                                 { ! enabled cross_compile && {

  5701.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5702.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5703.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5704.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5705.                                die "ERROR: mmal not found"; }

  5706. enabled mmal &&

  5707.     (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||

  5708.      die "ERROR: mmal firmware headers too old")

  5709. 

  5710. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5711. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5712.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||

  5713.                                die "ERROR: NVENC API version 5 or older is not supported"; } &&

  5714.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5715. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5716.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5717.                                die "ERROR: openal not found"; } &&

  5718.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5719.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5720. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5721.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5722.                                die "ERROR: opencl not found"; } &&

  5723.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5724.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5725.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5726. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5727.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5728.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5729.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5730.                                die "ERROR: opengl not found."

  5731.                              }

  5732. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5733.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5734.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5735.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5736.                                die "ERROR: openssl not found"; }

  5737. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5738. 

  5739. # libdc1394 check

  5740. if enabled libdc1394; then

  5741.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5742.         enable libdc1394_2; } ||

  5743.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5744.         enable libdc1394_1; } ||

  5745.     die "ERROR: No version of libdc1394 found "

  5746. fi

  5747. 

  5748. if enabled gcrypt; then

  5749.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5750.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5751.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5752.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5753.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5754.             die "ERROR: gcrypt not found"

  5755.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5756.     else

  5757.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5758.     fi

  5759. fi

  5760. 

  5761. if ! disabled sdl; then

  5762.     SDL_CONFIG="${cross_prefix}sdl-config"

  5763.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5764.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5765.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5766.         enable sdl

  5767.     else

  5768.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5769.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5770.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5771.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5772.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5773.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5774.             enable sdl

  5775.         elif enabled sdl ; then

  5776.             die "ERROR: SDL not found"

  5777.         else

  5778.             disable sdl

  5779.         fi

  5780.     fi

  5781.     if test $target_os = "mingw32"; then

  5782.         sdl_libs="$sdl_libs -mconsole"

  5783.     fi

  5784. fi

  5785. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5786. 

  5787. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5788.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5789.     enable securetransport; }

  5790. 

  5791. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5792.                        enable schannel && add_extralibs -lSecur32; }

  5793. 

  5794. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5795. enabled makeinfo \

  5796.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5797.     && enable makeinfo_html || disable makeinfo_html

  5798. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5799. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5800. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5801. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5802. 

  5803. check_header linux/fb.h

  5804. check_header linux/videodev.h

  5805. check_header linux/videodev2.h

  5806. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5807. 

  5808. check_header sys/videoio.h

  5809. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5810. 

  5811. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5812. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5813. # w32api 3.12 had it defined wrong

  5814. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5815. 

  5816. check_type "dshow.h" IBaseFilter

  5817. 

  5818. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5819. { check_header dev/bktr/ioctl_meteor.h &&

  5820.   check_header dev/bktr/ioctl_bt848.h; } ||

  5821. { check_header machine/ioctl_meteor.h &&

  5822.   check_header machine/ioctl_bt848.h; } ||

  5823. { check_header dev/video/meteor/ioctl_meteor.h &&

  5824.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5825. check_header dev/ic/bt8xx.h

  5826. 

  5827. check_header sndio.h

  5828. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5829.     enable_safe sys/soundcard.h

  5830. else

  5831.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5832.     #include <sys/soundcard.h>

  5833.     audio_buf_info abc;

  5834. EOF

  5835. fi

  5836. check_header soundcard.h

  5837. 

  5838. enabled_any alsa_indev alsa_outdev &&

  5839.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5840. 

  5841. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5842.     check_func jack_port_get_latency_range -ljack

  5843. 

  5844. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5845. 

  5846. if enabled libcdio; then

  5847.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5848.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5849.     die "ERROR: No usable libcdio/cdparanoia found"

  5850. fi

  5851. 

  5852. enabled xlib &&

  5853.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5854. 

  5855. if ! disabled libxcb; then

  5856.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5857.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5858.     } && disable x11grab && enable libxcb

  5859. 

  5860. if enabled libxcb; then

  5861.     disabled libxcb_shm || {

  5862.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5863.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5864.         } && check_header sys/shm.h && enable libxcb_shm; }

  5865. 

  5866.     disabled libxcb_xfixes || {

  5867.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5868.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5869.         } && enable libxcb_xfixes; }

  5870. 

  5871.     disabled libxcb_shape || {

  5872.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5873.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5874.         } && enable libxcb_shape; }

  5875. 

  5876.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5877.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5878. fi

  5879. fi

  5880. 

  5881. if enabled x11grab; then

  5882.     enabled xlib || die "ERROR: Xlib not found"

  5883.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5884.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5885. fi

  5886. 

  5887. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5888. 

  5889. enabled dxva2api_h &&

  5890.     check_cc <<EOF && enable dxva2api_cobj

  5891. #define _WIN32_WINNT 0x0600

  5892. #define COBJMACROS

  5893. #include <windows.h>

  5894. #include <d3d9.h>

  5895. #include <dxva2api.h>

  5896. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5897. EOF

  5898. 

  5899. enabled vaapi &&

  5900.     check_lib va/va.h vaInitialize -lva ||

  5901.     disable vaapi

  5902. 

  5903. enabled vaapi && enabled xlib &&

  5904.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5905.     enable vaapi_x11

  5906. 

  5907. enabled vdpau &&

  5908.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5909.     disable vdpau

  5910. 

  5911. enabled vdpau && enabled xlib &&

  5912.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5913.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5914.     enable vdpau_x11

  5915. 

  5916. # Funny iconv installations are not unusual, so check it after all flags have been set

  5917. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5918. 

  5919. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5920. 

  5921. # add some useful compiler flags if supported

  5922. check_cflags -Wdeclaration-after-statement

  5923. check_cflags -Wall

  5924. check_cflags -Wdisabled-optimization

  5925. check_cflags -Wpointer-arith

  5926. check_cflags -Wredundant-decls

  5927. check_cflags -Wwrite-strings

  5928. check_cflags -Wtype-limits

  5929. check_cflags -Wundef

  5930. check_cflags -Wmissing-prototypes

  5931. check_cflags -Wno-pointer-to-int-cast

  5932. check_cflags -Wstrict-prototypes

  5933. check_cflags -Wempty-body

  5934. enabled extra_warnings && check_cflags -Winline

  5935. enabled extra_warnings && check_cflags -Wcast-qual

  5936. 

  5937. check_disable_warning(){

  5938.     warning_flag=-W${1#-Wno-}

  5939.     test_cflags $warning_flag && add_cflags $1

  5940. }

  5941. 

  5942. check_disable_warning -Wno-parentheses

  5943. check_disable_warning -Wno-switch

  5944. check_disable_warning -Wno-format-zero-length

  5945. check_disable_warning -Wno-pointer-sign

  5946. check_disable_warning -Wno-unused-const-variable

  5947. 

  5948. # add some linker flags

  5949. check_ldflags -Wl,--warn-common

  5950. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5951. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5952. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5953. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5954. 

  5955. # add some strip flags

  5956. # -wN '..@*' is more selective than -x, but not available everywhere.

  5957. check_stripflags -wN \'..@*\' || check_stripflags -x

  5958. 

  5959. enabled neon_clobber_test &&

  5960.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5961.                   -Wl,--wrap,avcodec_decode_audio4      \

  5962.                   -Wl,--wrap,avcodec_decode_video2      \

  5963.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5964.                   -Wl,--wrap,avcodec_encode_audio2      \

  5965.                   -Wl,--wrap,avcodec_encode_video2      \

  5966.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5967.                   -Wl,--wrap,swr_convert                \

  5968.                   -Wl,--wrap,avresample_convert ||

  5969.     disable neon_clobber_test

  5970. 

  5971. enabled xmm_clobber_test &&

  5972.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5973.                   -Wl,--wrap,avcodec_decode_audio4      \

  5974.                   -Wl,--wrap,avcodec_decode_video2      \

  5975.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5976.                   -Wl,--wrap,avcodec_encode_audio2      \

  5977.                   -Wl,--wrap,avcodec_encode_video2      \

  5978.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5979.                   -Wl,--wrap,swr_convert                \

  5980.                   -Wl,--wrap,avresample_convert         \

  5981.                   -Wl,--wrap,sws_scale ||

  5982.     disable xmm_clobber_test

  5983. 

  5984. echo "X { local: *; };" > $TMPV

  5985. if test_ldflags -Wl,--version-script,$TMPV; then

  5986.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5987. elif test_ldflags -Wl,-M,$TMPV; then

  5988.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5989. fi

  5990. 

  5991. check_cc <<EOF && enable symver_asm_label

  5992. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5993. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5994. EOF

  5995.     check_cc <<EOF && enable symver_gnu_asm

  5996. __asm__(".symver ff_foo,av_foo@VERSION");

  5997. void ff_foo(void) {}

  5998. EOF

  5999. 

  6000. if [ -z "$optflags" ]; then

  6001.     if enabled small; then

  6002.         optflags=$cflags_size

  6003.     elif enabled optimizations; then

  6004.         optflags=$cflags_speed

  6005.     else

  6006.         optflags=$cflags_noopt

  6007.     fi

  6008. fi

  6009. 

  6010. check_optflags(){

  6011.     check_cflags "$@"

  6012.     enabled lto && check_ldflags "$@"

  6013. }

  6014. 

  6015. 

  6016. if enabled lto; then

  6017.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6018.     check_cflags  -flto

  6019.     check_ldflags -flto $cpuflags

  6020.     disable inline_asm_direct_symbol_refs

  6021. fi

  6022. 

  6023. check_optflags $optflags

  6024. check_optflags -fno-math-errno

  6025. check_optflags -fno-signed-zeros

  6026. 

  6027. enabled ftrapv && check_cflags -ftrapv

  6028. 

  6029. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6030. int x;

  6031. EOF

  6032. 

  6033. 

  6034. if enabled icc; then

  6035.     # Just warnings, no remarks

  6036.     check_cflags -w1

  6037.     # -wd: Disable following warnings

  6038.     # 144, 167, 556: -Wno-pointer-sign

  6039.     # 188: enumerated type mixed with another type

  6040.     # 1292: attribute "foo" ignored

  6041.     # 1419: external declaration in primary source file

  6042.     # 10006: ignoring unknown option -fno-signed-zeros

  6043.     # 10148: ignoring unknown option -Wno-parentheses

  6044.     # 10156: ignoring option '-W'; no argument required

  6045.     # 13200: No EMMS instruction before call to function

  6046.     # 13203: No EMMS instruction before return from function

  6047.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6048.     # 11030: Warning unknown option --as-needed

  6049.     # 10156: ignoring option '-export'; no argument required

  6050.     check_ldflags -wd10156,11030

  6051.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6052.     enable ebp_available

  6053.     # The test above does not test linking

  6054.     enabled lto && disable symver_asm_label

  6055.     if enabled x86_32; then

  6056.         icc_version=$($cc -dumpversion)

  6057.         test ${icc_version%%.*} -ge 11 &&

  6058.             check_cflags -falign-stack=maintain-16-byte ||

  6059.             disable aligned_stack

  6060.     fi

  6061. elif enabled ccc; then

  6062.     # disable some annoying warnings

  6063.     add_cflags -msg_disable bitnotint

  6064.     add_cflags -msg_disable mixfuncvoid

  6065.     add_cflags -msg_disable nonstandcast

  6066.     add_cflags -msg_disable unsupieee

  6067. elif enabled gcc; then

  6068.     case $gcc_basever in

  6069.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  6070.         4.*)                 check_optflags -fno-tree-vectorize ;;

  6071.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  6072.     esac

  6073.     check_cflags -Werror=format-security

  6074.     check_cflags -Werror=implicit-function-declaration

  6075.     check_cflags -Werror=missing-prototypes

  6076.     check_cflags -Werror=return-type

  6077.     check_cflags -Werror=vla

  6078.     check_cflags -Wformat

  6079.     check_cflags -fdiagnostics-color=auto

  6080.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6081. elif enabled llvm_gcc; then

  6082.     check_cflags -mllvm -stack-alignment=16

  6083. elif enabled clang; then

  6084.     check_cflags -mllvm -stack-alignment=16

  6085.     check_cflags -Qunused-arguments

  6086.     check_cflags -Werror=implicit-function-declaration

  6087.     check_cflags -Werror=missing-prototypes

  6088.     check_cflags -Werror=return-type

  6089. elif enabled cparser; then

  6090.     add_cflags -Wno-missing-variable-declarations

  6091.     add_cflags -Wno-empty-statement

  6092. elif enabled armcc; then

  6093.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6094.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6095.     # 2523: use of inline assembly is deprecated

  6096.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6097.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6098.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6099.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6100.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6101.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6102. elif enabled tms470; then

  6103.     add_cflags -pds=824 -pds=837

  6104.     disable inline_asm

  6105. elif enabled pathscale; then

  6106.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6107. elif enabled_any msvc icl; then

  6108.     enabled x86_32 && disable aligned_stack

  6109.     enabled_all x86_32 debug && add_cflags -Oy-

  6110.     enabled debug && add_ldflags -debug

  6111.     enable pragma_deprecated

  6112.     if enabled icl; then

  6113.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6114.         # (correctly) on icl 13.x.

  6115.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6116.             add_cflags -Qansi-alias

  6117.         # Some inline asm is not compilable in debug

  6118.         if enabled debug; then

  6119.             disable ebp_available

  6120.             disable ebx_available

  6121.         fi

  6122.     fi

  6123.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6124.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6125.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6126.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6127.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6128.     # MSVC 2013 and newer can handle it fine.

  6129.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6130.     # happens in config.h.

  6131.     if [ $_restrict != restrict ]; then

  6132.         check_cc <<EOF || add_cflags -FIstdlib.h

  6133. __declspec($_restrict) void* foo(int);

  6134. EOF

  6135.     fi

  6136.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6137. fi

  6138. 

  6139. for pfx in "" host_; do

  6140.     varname=${pfx%_}cc_type

  6141.     eval "type=\$$varname"

  6142.     if [ $type = "msvc" ]; then

  6143.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6144. static inline int foo(int a) { return a; }

  6145. EOF

  6146.     fi

  6147. done

  6148. 

  6149. case $as_type in

  6150.     clang)

  6151.         add_asflags -Qunused-arguments

  6152.     ;;

  6153. esac

  6154. 

  6155. case $ld_type in

  6156.     clang)

  6157.         check_ldflags -Qunused-arguments

  6158.     ;;

  6159. esac

  6160. 

  6161. case $target_os in

  6162.     osf1)

  6163.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6164.     ;;

  6165.     plan9)

  6166.         add_cppflags -Dmain=plan9_main

  6167.     ;;

  6168. esac

  6169. 

  6170. enable frame_thread_encoder

  6171. 

  6172. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6173. 

  6174. check_deps $CONFIG_LIST       \

  6175.            $CONFIG_EXTRA      \

  6176.            $HAVE_LIST         \

  6177.            $ALL_COMPONENTS    \

  6178. 

  6179. 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"

  6180. 

  6181. 

  6182. if test $target_os = "haiku"; then

  6183.     disable memalign

  6184.     disable posix_memalign

  6185. fi

  6186. 

  6187. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6188.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6189.     enable dxva2_lib

  6190. 

  6191. ! enabled_any memalign posix_memalign aligned_malloc &&

  6192.     enabled simd_align_16 && enable memalign_hack

  6193. 

  6194. # add_dep lib dep

  6195. # -> enable ${lib}_deps_${dep}

  6196. # -> add $dep to ${lib}_deps only once

  6197. add_dep() {

  6198.     lib=$1

  6199.     dep=$2

  6200.     enabled "${lib}_deps_${dep}" && return 0

  6201.     enable  "${lib}_deps_${dep}"

  6202.     prepend "${lib}_deps" $dep

  6203. }

  6204. 

  6205. # merge deps lib components

  6206. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6207. merge_deps() {

  6208.     lib=$1

  6209.     shift

  6210.     for comp in $*; do

  6211.         enabled $comp || continue

  6212.         eval "dep=\"\$${comp}_deps\""

  6213.         for d in $dep; do

  6214.             add_dep $lib $d

  6215.         done

  6216.     done

  6217. }

  6218. 

  6219. merge_deps libavfilter $FILTER_LIST

  6220. 

  6221. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6222. 

  6223. for thread in $THREADS_LIST; do

  6224.     if enabled $thread; then

  6225.         test -n "$thread_type" &&

  6226.             die "ERROR: Only one thread type must be selected." ||

  6227.             thread_type="$thread"

  6228.     fi

  6229. done

  6230. 

  6231. enabled zlib && add_cppflags -DZLIB_CONST

  6232. 

  6233. # conditional library dependencies, in linking order

  6234. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6235. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6236. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6237. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6238. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6239. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6240. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6241. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6242. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6243. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6244. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6245. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6246. enabled pan_filter          && prepend avfilter_deps "swresample"

  6247. enabled pp_filter           && prepend avfilter_deps "postproc"

  6248. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6249. enabled resample_filter && prepend avfilter_deps "avresample"

  6250. enabled sab_filter          && prepend avfilter_deps "swscale"

  6251. enabled scale_filter    && prepend avfilter_deps "swscale"

  6252. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6253. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6254. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6255. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6256. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6257. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6258. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6259. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6260. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6261. 

  6262. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6263. 

  6264. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6265. 

  6266. expand_deps(){

  6267.     lib_deps=${1}_deps

  6268.     eval "deps=\$$lib_deps"

  6269.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6270.     unique $lib_deps

  6271. }

  6272. 

  6273. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6274. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6275. 

  6276. map 'expand_deps $v' $LIBRARY_LIST

  6277. 

  6278. echo "install prefix            $prefix"

  6279. echo "source path               $source_path"

  6280. echo "C compiler                $cc"

  6281. echo "C library                 $libc_type"

  6282. if test "$host_cc" != "$cc"; then

  6283.     echo "host C compiler           $host_cc"

  6284.     echo "host C library            $host_libc_type"

  6285. fi

  6286. echo "ARCH                      $arch ($cpu)"

  6287. if test "$build_suffix" != ""; then

  6288.     echo "build suffix              $build_suffix"

  6289. fi

  6290. if test "$progs_suffix" != ""; then

  6291.     echo "progs suffix              $progs_suffix"

  6292. fi

  6293. if test "$extra_version" != ""; then

  6294.     echo "version string suffix     $extra_version"

  6295. fi

  6296. echo "big-endian                ${bigendian-no}"

  6297. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6298. if enabled x86; then

  6299.     echo "${yasmexe}                      ${yasm-no}"

  6300.     echo "MMX enabled               ${mmx-no}"

  6301.     echo "MMXEXT enabled            ${mmxext-no}"

  6302.     echo "3DNow! enabled            ${amd3dnow-no}"

  6303.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6304.     echo "SSE enabled               ${sse-no}"

  6305.     echo "SSSE3 enabled             ${ssse3-no}"

  6306.     echo "AESNI enabled             ${aesni-no}"

  6307.     echo "AVX enabled               ${avx-no}"

  6308.     echo "XOP enabled               ${xop-no}"

  6309.     echo "FMA3 enabled              ${fma3-no}"

  6310.     echo "FMA4 enabled              ${fma4-no}"

  6311.     echo "i686 features enabled     ${i686-no}"

  6312.     echo "CMOV is fast              ${fast_cmov-no}"

  6313.     echo "EBX available             ${ebx_available-no}"

  6314.     echo "EBP available             ${ebp_available-no}"

  6315. fi

  6316. if enabled aarch64; then

  6317.     echo "NEON enabled              ${neon-no}"

  6318.     echo "VFP enabled               ${vfp-no}"

  6319. fi

  6320. if enabled arm; then

  6321.     echo "ARMv5TE enabled           ${armv5te-no}"

  6322.     echo "ARMv6 enabled             ${armv6-no}"

  6323.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6324.     echo "VFP enabled               ${vfp-no}"

  6325.     echo "NEON enabled              ${neon-no}"

  6326.     echo "THUMB enabled             ${thumb-no}"

  6327. fi

  6328. if enabled mips; then

  6329.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6330.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6331.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6332.     echo "MIPS MSA enabled          ${msa-no}"

  6333.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6334. fi

  6335. if enabled ppc; then

  6336.     echo "AltiVec enabled           ${altivec-no}"

  6337.     echo "VSX enabled               ${vsx-no}"

  6338.     echo "POWER8 enabled            ${power8-no}"

  6339.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6340.     echo "dcbzl available           ${dcbzl-no}"

  6341. fi

  6342. echo "debug symbols             ${debug-no}"

  6343. echo "strip symbols             ${stripping-no}"

  6344. echo "optimize for size         ${small-no}"

  6345. echo "optimizations             ${optimizations-no}"

  6346. echo "static                    ${static-no}"

  6347. echo "shared                    ${shared-no}"

  6348. echo "postprocessing support    ${postproc-no}"

  6349. echo "new filter support        ${avfilter-no}"

  6350. echo "network support           ${network-no}"

  6351. echo "threading support         ${thread_type-no}"

  6352. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6353. echo "SDL support               ${sdl-no}"

  6354. echo "opencl enabled            ${opencl-no}"

  6355. echo "JNI support               ${jni-no}"

  6356. echo "texi2html enabled         ${texi2html-no}"

  6357. echo "perl enabled              ${perl-no}"

  6358. echo "pod2man enabled           ${pod2man-no}"

  6359. echo "makeinfo enabled          ${makeinfo-no}"

  6360. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6361. test -n "$random_seed" &&

  6362.     echo "random seed               ${random_seed}"

  6363. echo

  6364. 

  6365. echo "Enabled programs:"

  6366. print_enabled '' $PROGRAM_LIST | print_in_columns

  6367. echo

  6368. 

  6369. echo "External libraries:"

  6370. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6371. echo

  6372. 

  6373. echo "Libraries:"

  6374. print_enabled '' $LIBRARY_LIST | print_in_columns

  6375. echo

  6376. 

  6377. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6378.     echo "Enabled ${type}s:"

  6379.     eval list=\$$(toupper $type)_LIST

  6380.     print_enabled '_*' $list | print_in_columns

  6381.     echo

  6382. done

  6383. 

  6384. license="LGPL version 2.1 or later"

  6385. if enabled nonfree; then

  6386.     license="nonfree and unredistributable"

  6387. elif enabled gplv3; then

  6388.     license="GPL version 3 or later"

  6389. elif enabled lgplv3; then

  6390.     license="LGPL version 3 or later"

  6391. elif enabled gpl; then

  6392.     license="GPL version 2 or later"

  6393. fi

  6394. 

  6395. echo "License: $license"

  6396. 

  6397. echo "Creating config.mak, config.h, and doc/config.texi..."

  6398. 

  6399. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6400. 

  6401. enabled stripping || strip="echo skipping strip"

  6402. 

  6403. config_files="$TMPH config.mak doc/config.texi"

  6404. 

  6405. cat > config.mak <<EOF

  6406. # Automatically generated by configure - do not modify!

  6407. ifndef FFMPEG_CONFIG_MAK

  6408. FFMPEG_CONFIG_MAK=1

  6409. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6410. prefix=$prefix

  6411. LIBDIR=\$(DESTDIR)$libdir

  6412. SHLIBDIR=\$(DESTDIR)$shlibdir

  6413. INCDIR=\$(DESTDIR)$incdir

  6414. BINDIR=\$(DESTDIR)$bindir

  6415. DATADIR=\$(DESTDIR)$datadir

  6416. DOCDIR=\$(DESTDIR)$docdir

  6417. MANDIR=\$(DESTDIR)$mandir

  6418. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6419. INSTALL_NAME_DIR=$install_name_dir

  6420. SRC_PATH=$source_path

  6421. SRC_LINK=$source_link

  6422. ifndef MAIN_MAKEFILE

  6423. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6424. endif

  6425. CC_IDENT=$cc_ident

  6426. ARCH=$arch

  6427. INTRINSICS=$intrinsics

  6428. CC=$cc

  6429. CXX=$cxx

  6430. AS=$as

  6431. OBJCC=$objcc

  6432. LD=$ld

  6433. DEPCC=$dep_cc

  6434. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6435. DEPAS=$as

  6436. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6437. YASM=$yasmexe

  6438. DEPYASM=$yasmexe

  6439. AR=$ar

  6440. ARFLAGS=$arflags

  6441. AR_O=$ar_o

  6442. RANLIB=$ranlib

  6443. STRIP=$strip

  6444. CP=cp -p

  6445. LN_S=$ln_s

  6446. CPPFLAGS=$CPPFLAGS

  6447. CFLAGS=$CFLAGS

  6448. CXXFLAGS=$CXXFLAGS

  6449. OBJCFLAGS=$OBJCFLAGS

  6450. ASFLAGS=$ASFLAGS

  6451. AS_C=$AS_C

  6452. AS_O=$AS_O

  6453. OBJCC_C=$OBJCC_C

  6454. OBJCC_E=$OBJCC_E

  6455. OBJCC_O=$OBJCC_O

  6456. CC_C=$CC_C

  6457. CC_E=$CC_E

  6458. CC_O=$CC_O

  6459. CXX_C=$CXX_C

  6460. CXX_O=$CXX_O

  6461. LD_O=$LD_O

  6462. LD_LIB=$LD_LIB

  6463. LD_PATH=$LD_PATH

  6464. DLLTOOL=$dlltool

  6465. WINDRES=$windres

  6466. DEPWINDRES=$dep_cc

  6467. DOXYGEN=$doxygen

  6468. LDFLAGS=$LDFLAGS

  6469. LDEXEFLAGS=$LDEXEFLAGS

  6470. LDLIBFLAGS=$LDLIBFLAGS

  6471. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6472. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6473. YASMFLAGS=$YASMFLAGS

  6474. BUILDSUF=$build_suffix

  6475. PROGSSUF=$progs_suffix

  6476. FULLNAME=$FULLNAME

  6477. LIBPREF=$LIBPREF

  6478. LIBSUF=$LIBSUF

  6479. LIBNAME=$LIBNAME

  6480. SLIBPREF=$SLIBPREF

  6481. SLIBSUF=$SLIBSUF

  6482. EXESUF=$EXESUF

  6483. EXTRA_VERSION=$extra_version

  6484. CCDEP=$CCDEP

  6485. CXXDEP=$CXXDEP

  6486. CCDEP_FLAGS=$CCDEP_FLAGS

  6487. ASDEP=$ASDEP

  6488. ASDEP_FLAGS=$ASDEP_FLAGS

  6489. CC_DEPFLAGS=$CC_DEPFLAGS

  6490. AS_DEPFLAGS=$AS_DEPFLAGS

  6491. HOSTCC=$host_cc

  6492. HOSTLD=$host_ld

  6493. HOSTCFLAGS=$host_cflags

  6494. HOSTCPPFLAGS=$host_cppflags

  6495. HOSTEXESUF=$HOSTEXESUF

  6496. HOSTLDFLAGS=$host_ldflags

  6497. HOSTLIBS=$host_libs

  6498. DEPHOSTCC=$host_cc

  6499. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6500. HOSTCCDEP=$HOSTCCDEP

  6501. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6502. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6503. HOSTCC_C=$HOSTCC_C

  6504. HOSTCC_O=$HOSTCC_O

  6505. HOSTLD_O=$HOSTLD_O

  6506. TARGET_EXEC=$target_exec $target_exec_args

  6507. TARGET_PATH=$target_path

  6508. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6509. CFLAGS-ffplay=$sdl_cflags

  6510. ZLIB=$($ldflags_filter -lz)

  6511. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6512. EXTRALIBS=$extralibs

  6513. COMPAT_OBJS=$compat_objs

  6514. EXEOBJS=$exeobjs

  6515. INSTALL=$install

  6516. LIBTARGET=${LIBTARGET}

  6517. SLIBNAME=${SLIBNAME}

  6518. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6519. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6520. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6521. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6522. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6523. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6524. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6525. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6526. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6527. NOREDZONE_FLAGS=$noredzone_flags

  6528. EOF

  6529. 

  6530. get_version(){

  6531.     lcname=lib${1}

  6532.     name=$(toupper $lcname)

  6533.     file=$source_path/$lcname/version.h

  6534.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6535.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6536.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6537.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6538.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6539.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6540. }

  6541. 

  6542. map 'get_version $v' $LIBRARY_LIST

  6543. 

  6544. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6545. 

  6546. print_program_libs(){

  6547.     eval "program_libs=\$${1}_libs"

  6548.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6549. }

  6550. 

  6551. map 'print_program_libs $v' $PROGRAM_LIST

  6552. 

  6553. cat > $TMPH <<EOF

  6554. /* Automatically generated by configure - do not modify! */

  6555. #ifndef FFMPEG_CONFIG_H

  6556. #define FFMPEG_CONFIG_H

  6557. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6558. #define FFMPEG_LICENSE "$(c_escape $license)"

  6559. #define CONFIG_THIS_YEAR 2016

  6560. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6561. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6562. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6563. #define av_restrict $_restrict

  6564. #define EXTERN_PREFIX "${extern_prefix}"

  6565. #define EXTERN_ASM ${extern_prefix}

  6566. #define BUILDSUF "$build_suffix"

  6567. #define SLIBSUF "$SLIBSUF"

  6568. #define HAVE_MMX2 HAVE_MMXEXT

  6569. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6570. EOF

  6571. 

  6572. test -n "$assert_level" &&

  6573.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6574. 

  6575. test -n "$malloc_prefix" &&

  6576.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6577. 

  6578. if enabled yasm; then

  6579.     append config_files $TMPASM

  6580.     printf '' >$TMPASM

  6581. fi

  6582. 

  6583. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6584. 

  6585. 

  6586. mkdir -p doc

  6587. mkdir -p tests

  6588. mkdir -p tests/api

  6589. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6590. 

  6591. print_config ARCH_   "$config_files" $ARCH_LIST

  6592. print_config HAVE_   "$config_files" $HAVE_LIST

  6593. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6594.                                      $CONFIG_EXTRA      \

  6595.                                      $ALL_COMPONENTS    \

  6596. 

  6597. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6598. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6599. 

  6600. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6601. cp_if_changed $TMPH config.h

  6602. touch .config

  6603. 

  6604. enabled yasm && cp_if_changed $TMPASM config.asm

  6605. 

  6606. cat > $TMPH <<EOF

  6607. /* Generated by ffconf */

  6608. #ifndef AVUTIL_AVCONFIG_H

  6609. #define AVUTIL_AVCONFIG_H

  6610. EOF

  6611. 

  6612. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6613. 

  6614. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6615. 

  6616. cp_if_changed $TMPH libavutil/avconfig.h

  6617. 

  6618. if test -n "$WARNINGS"; then

  6619.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6620.     enabled fatal_warnings && exit 1

  6621. fi

  6622. 

  6623. # build pkg-config files

  6624. 

  6625. lib_version(){

  6626.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6627. }

  6628. 

  6629. pkgconfig_generate(){

  6630.     name=$1

  6631.     shortname=${name#lib}${build_suffix}

  6632.     comment=$2

  6633.     version=$3

  6634.     libs=$4

  6635.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6636.     requires=${requires%, }

  6637.     enabled ${name#lib} || return 0

  6638.     mkdir -p $name

  6639.     cat <<EOF > $name/$name${build_suffix}.pc

  6640. prefix=$prefix

  6641. exec_prefix=\${prefix}

  6642. libdir=$libdir

  6643. includedir=$incdir

  6644. 

  6645. Name: $name

  6646. Description: $comment

  6647. Version: $version

  6648. Requires: $(enabled shared || echo $requires)

  6649. Requires.private: $(enabled shared && echo $requires)

  6650. Conflicts:

  6651. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6652. Libs.private: $(enabled shared && echo $libs)

  6653. Cflags: -I\${includedir}

  6654. EOF

  6655. 

  6656. mkdir -p doc/examples/pc-uninstalled

  6657. includedir=${source_path}

  6658. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6659.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6660. prefix=

  6661. exec_prefix=

  6662. libdir=\${pcfiledir}/../../../$name

  6663. includedir=${includedir}

  6664. 

  6665. Name: $name

  6666. Description: $comment

  6667. Version: $version

  6668. Requires: $requires

  6669. Conflicts:

  6670. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6671. Cflags: -I\${includedir}

  6672. EOF

  6673. }

  6674. 

  6675. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6676. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6677. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6678. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6679. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6680. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6681. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6682. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6683. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"