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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

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

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

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

  8. #

  9. 

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

  11. LC_ALL=C

  12. export LC_ALL

  13. 

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

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

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

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

  20. }

  21. 

  22. unset foo

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

  24. E1="$?"

  25. 

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

  27. E2="$?"

  28. 

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

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

  31.     export FF_CONF_EXEC

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

  33.         FF_CONF_EXEC=1

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

  35.     fi

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

  37.         FF_CONF_EXEC=2

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

  39.     fi

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

  41.         FF_CONF_EXEC=3

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

  43.     fi

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

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

  46.     echo "such as bash or ksh."

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

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

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

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

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

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

  53.     fi

  54.     exit 1

  55. fi

  56. 

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

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --list-decoders          show all available decoders

  67.   --list-encoders          show all available encoders

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

  69.   --list-demuxers          show all available demuxers

  70.   --list-muxers            show all available muxers

  71.   --list-parsers           show all available parsers

  72.   --list-protocols         show all available protocols

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

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

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

  76.   --list-filters           show all available filters

  77. 

  78. Standard options:

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

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

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

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

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

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

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

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

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

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

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

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

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

  92.                            not part of the dynamic linker search path

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

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

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

  212.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  219.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  235.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  260.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  282.   --enable-opencl          enable OpenCL code

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

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

  285.                            if gnutls is not used [no]

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

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

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

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

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

  291.   --disable-videotoolbox   disable VideoToolbox code [autodetect]

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

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

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

  295. 

  296. Toolchain options:

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

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

  299.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  347. 

  348. Advanced options (experts only):

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

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

  351.   --disable-symver         disable symbol versioning

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

  353.   --disable-safe-bitstream-reader

  354.                            disable buffer boundary checking in bitreaders

  355.                            (faster, but may crash)

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

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

  358. 

  359. Optimization options (experts only):

  360.   --disable-asm            disable all assembly optimizations

  361.   --disable-altivec        disable AltiVec optimizations

  362.   --disable-vsx            disable VSX optimizations

  363.   --disable-power8         disable POWER8 optimizations

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

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

  366.   --disable-mmx            disable MMX optimizations

  367.   --disable-mmxext         disable MMXEXT optimizations

  368.   --disable-sse            disable SSE optimizations

  369.   --disable-sse2           disable SSE2 optimizations

  370.   --disable-sse3           disable SSE3 optimizations

  371.   --disable-ssse3          disable SSSE3 optimizations

  372.   --disable-sse4           disable SSE4 optimizations

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

  374.   --disable-avx            disable AVX optimizations

  375.   --disable-xop            disable XOP optimizations

  376.   --disable-fma3           disable FMA3 optimizations

  377.   --disable-fma4           disable FMA4 optimizations

  378.   --disable-avx2           disable AVX2 optimizations

  379.   --disable-aesni          disable AESNI optimizations

  380.   --disable-armv5te        disable armv5te optimizations

  381.   --disable-armv6          disable armv6 optimizations

  382.   --disable-armv6t2        disable armv6t2 optimizations

  383.   --disable-vfp            disable VFP optimizations

  384.   --disable-neon           disable NEON optimizations

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

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

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

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

  389.   --disable-msa            disable MSA optimizations

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

  391.   --disable-mmi            disable Loongson SIMD optimizations

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

  393. 

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

  395.   --disable-debug          disable debugging symbols

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

  397.   --disable-optimizations  disable compiler optimizations

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

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

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

  401.                            2 causes a slowdown at runtime.

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

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

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

  405.                            Cannot be combined with --target-exec

  406.   --enable-ftrapv          Trap arithmetic overflows

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

  408.                            \$FATE_SAMPLES at make invocation time.

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

  410.                            used only for debugging purposes)

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

  412.                            should be used only for debugging purposes)

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

  414.   --disable-random

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

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

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

  418.                            (group) and PROB the probability associated with

  419.                            NAME (default 0.5).

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

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

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

  423. 

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

  425. EOF

  426.   exit 0

  427. }

  428. 

  429. quotes='""'

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

  431.     ncolors=$(tput colors)

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

  433.         bold_color=$(tput bold)

  434.         warn_color=$(tput setaf 3)

  435.         error_color=$(tput setaf 1)

  436.         reset_color=$(tput sgr0)

  437.     fi

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

  439.     ncols=$(tput cols)

  440. fi

  441. : ${ncols:=72}

  442. 

  443. log(){

  444.     echo "$@" >> $logfile

  445. }

  446. 

  447. log_file(){

  448.     log BEGIN $1

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

  450.     log END $1

  451. }

  452. 

  453. warn(){

  454.     log "WARNING: $*"

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

  456. }

  457. 

  458. die(){

  459.     log "$@"

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

  461.     cat <<EOF

  462. 

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

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

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

  466. EOF

  467.     if disabled logging; then

  468.         cat <<EOF

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

  470. include the log this produces with your report.

  471. EOF

  472.     else

  473.         cat <<EOF

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

  475. solve the problem.

  476. EOF

  477.     fi

  478.     exit 1

  479. }

  480. 

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

  482. toupper(){

  483.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  484. }

  485. 

  486. tolower(){

  487.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  488. }

  489. 

  490. c_escape(){

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

  492. }

  493. 

  494. sh_quote(){

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

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

  497.     echo "$v"

  498. }

  499. 

  500. cleanws(){

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

  502. }

  503. 

  504. filter(){

  505.     pat=$1

  506.     shift

  507.     for v; do

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

  509.     done

  510. }

  511. 

  512. filter_out(){

  513.     pat=$1

  514.     shift

  515.     for v; do

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

  517.     done

  518. }

  519. 

  520. map(){

  521.     m=$1

  522.     shift

  523.     for v; do eval $m; done

  524. }

  525. 

  526. add_suffix(){

  527.     suffix=$1

  528.     shift

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

  530. }

  531. 

  532. set_all(){

  533.     value=$1

  534.     shift

  535.     for var in $*; do

  536.         eval $var=$value

  537.     done

  538. }

  539. 

  540. set_weak(){

  541.     value=$1

  542.     shift

  543.     for var; do

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

  545.     done

  546. }

  547. 

  548. sanitize_var_name(){

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

  550. }

  551. 

  552. set_safe(){

  553.     var=$1

  554.     shift

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

  556. }

  557. 

  558. get_safe(){

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

  560. }

  561. 

  562. pushvar(){

  563.     for pvar in $*; do

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

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

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

  567.     done

  568. }

  569. 

  570. popvar(){

  571.     for pvar in $*; do

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

  573.         test $level = 0 && continue

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

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

  576.         eval ${pvar}_level=$level

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

  578.     done

  579. }

  580. 

  581. enable(){

  582.     set_all yes $*

  583. }

  584. 

  585. disable(){

  586.     set_all no $*

  587. }

  588. 

  589. enable_weak(){

  590.     set_weak yes $*

  591. }

  592. 

  593. disable_weak(){

  594.     set_weak no $*

  595. }

  596. 

  597. enable_safe(){

  598.     for var; do

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

  600.     done

  601. }

  602. 

  603. disable_safe(){

  604.     for var; do

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

  606.     done

  607. }

  608. 

  609. do_enable_deep(){

  610.     for var; do

  611.         enabled $var && continue

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

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

  614.         pushvar var sgs

  615.         enable_deep $sel

  616.         popvar sgs

  617.         enable_deep_weak $sgs

  618.         popvar var

  619.     done

  620. }

  621. 

  622. enable_deep(){

  623.     do_enable_deep $*

  624.     enable $*

  625. }

  626. 

  627. enable_deep_weak(){

  628.     for var; do

  629.         disabled $var && continue

  630.         pushvar var

  631.         do_enable_deep $var

  632.         popvar var

  633.         enable_weak $var

  634.     done

  635. }

  636. 

  637. enabled(){

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

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

  640. }

  641. 

  642. disabled(){

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

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

  645. }

  646. 

  647. enabled_all(){

  648.     for opt; do

  649.         enabled $opt || return 1

  650.     done

  651. }

  652. 

  653. disabled_all(){

  654.     for opt; do

  655.         disabled $opt || return 1

  656.     done

  657. }

  658. 

  659. enabled_any(){

  660.     for opt; do

  661.         enabled $opt && return 0

  662.     done

  663. }

  664. 

  665. disabled_any(){

  666.     for opt; do

  667.         disabled $opt && return 0

  668.     done

  669.     return 1

  670. }

  671. 

  672. set_default(){

  673.     for opt; do

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

  675.     done

  676. }

  677. 

  678. is_in(){

  679.     value=$1

  680.     shift

  681.     for var in $*; do

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

  683.     done

  684.     return 1

  685. }

  686. 

  687. do_check_deps(){

  688.     for cfg; do

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

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

  691.         disabled ${cfg}_checking && continue

  692.         enable ${cfg}_checking

  693.         append allopts $cfg

  694. 

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

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

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

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

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

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

  701. 

  702.         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

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

  704.         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn

  705. 

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

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

  708.         enabled_all  $dep_all || disable $cfg

  709.         enabled_any  $dep_any || disable $cfg

  710.         disabled_any $dep_sel && disable $cfg

  711. 

  712.         if enabled $cfg; then

  713.             enable_deep $dep_sel

  714.             enable_deep_weak $dep_sgs

  715.         fi

  716. 

  717.         disable ${cfg}_checking

  718.     done

  719. }

  720. 

  721. check_deps(){

  722.     unset allopts

  723. 

  724.     do_check_deps "$@"

  725. 

  726.     for cfg in $allopts; do

  727.         enabled $cfg || continue

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

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

  730.     done

  731. }

  732. 

  733. print_config(){

  734.     pfx=$1

  735.     files=$2

  736.     shift 2

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

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

  739.         {

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

  741.             v = \$2;

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

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

  744.             for (f in files) {

  745.                 file = files[f];

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

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

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

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

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

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

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

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

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

  755.                     yesno = \$2;

  756.                     c2 = tolower(c);

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

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

  759.                 }

  760.             }

  761.         }"

  762. }

  763. 

  764. print_enabled(){

  765.     suf=$1

  766.     shift

  767.     for v; do

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

  769.     done

  770. }

  771. 

  772. append(){

  773.     var=$1

  774.     shift

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

  776. }

  777. 

  778. prepend(){

  779.     var=$1

  780.     shift

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

  782. }

  783. 

  784. unique(){

  785.     var=$1

  786.     uniq_list=""

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

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

  789.     done

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

  791. }

  792. 

  793. add_cppflags(){

  794.     append CPPFLAGS "$@"

  795. }

  796. 

  797. add_cflags(){

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

  799. }

  800. 

  801. add_cxxflags(){

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

  803. }

  804. 

  805. add_asflags(){

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

  807. }

  808. 

  809. add_objcflags(){

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

  811. }

  812. 

  813. add_ldflags(){

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

  815. }

  816. 

  817. add_ldexeflags(){

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

  819. }

  820. 

  821. add_ldlibflags(){

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

  823. }

  824. 

  825. add_stripflags(){

  826.     append ASMSTRIPFLAGS "$@"

  827. }

  828. 

  829. add_extralibs(){

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

  831. }

  832. 

  833. add_host_cppflags(){

  834.     append host_cppflags "$@"

  835. }

  836. 

  837. add_host_cflags(){

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

  839. }

  840. 

  841. add_host_ldflags(){

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

  843. }

  844. 

  845. add_compat(){

  846.     append compat_objs $1

  847.     shift

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

  849. }

  850. 

  851. check_cmd(){

  852.     log "$@"

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

  854. }

  855. 

  856. check_stat(){

  857.     log check_stat "$@"

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

  859. }

  860. 

  861. cc_o(){

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

  863. }

  864. 

  865. cc_e(){

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

  867. }

  868. 

  869. check_cc(){

  870.     log check_cc "$@"

  871.     cat > $TMPC

  872.     log_file $TMPC

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

  874. }

  875. 

  876. check_cxx(){

  877.     log check_cxx "$@"

  878.     cat > $TMPCPP

  879.     log_file $TMPCPP

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

  881. }

  882. 

  883. check_objcc(){

  884.     log check_objcc "$@"

  885.     cat > $TMPM

  886.     log_file $TMPM

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

  888. }

  889. 

  890. check_cpp(){

  891.     log check_cpp "$@"

  892.     cat > $TMPC

  893.     log_file $TMPC

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

  895. }

  896. 

  897. as_o(){

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

  899. }

  900. 

  901. check_as(){

  902.     log check_as "$@"

  903.     cat > $TMPS

  904.     log_file $TMPS

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

  906. }

  907. 

  908. check_inline_asm(){

  909.     log check_inline_asm "$@"

  910.     name="$1"

  911.     code="$2"

  912.     shift 2

  913.     disable $name

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

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

  916. EOF

  917. }

  918. 

  919. check_insn(){

  920.     log check_insn "$@"

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

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

  923. }

  924. 

  925. check_yasm(){

  926.     log check_yasm "$@"

  927.     echo "$1" > $TMPS

  928.     log_file $TMPS

  929.     shift 1

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

  931. }

  932. 

  933. ld_o(){

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

  935. }

  936. 

  937. check_ld(){

  938.     log check_ld "$@"

  939.     type=$1

  940.     shift 1

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

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

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

  944.     flags=$($ldflags_filter $flags)

  945.     libs=$($ldflags_filter $libs)

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

  947. }

  948. 

  949. print_include(){

  950.     hdr=$1

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

  952.         echo "#include $hdr"    ||

  953.         echo "#include <$hdr>"

  954. }

  955. 

  956. check_code(){

  957.     log check_code "$@"

  958.     check=$1

  959.     headers=$2

  960.     code=$3

  961.     shift 3

  962.     {

  963.         for hdr in $headers; do

  964.             print_include $hdr

  965.         done

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

  967.     } | check_$check "$@"

  968. }

  969. 

  970. check_cppflags(){

  971.     log check_cppflags "$@"

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

  973. int x;

  974. EOF

  975. }

  976. 

  977. test_cflags(){

  978.     log test_cflags "$@"

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

  980.     check_cc "$@" <<EOF

  981. int x;

  982. EOF

  983. }

  984. 

  985. check_cflags(){

  986.     log check_cflags "$@"

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

  988. }

  989. 

  990. check_cxxflags(){

  991.     log check_cxxflags "$@"

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

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

  994. int x;

  995. EOF

  996. }

  997. 

  998. test_objcflags(){

  999.     log test_cflags "$@"

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

  1001.     check_objcc "$@" <<EOF

  1002. int x;

  1003. EOF

  1004. }

  1005. 

  1006. check_objcflags(){

  1007.     log check_cflags "$@"

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

  1009. }

  1010. 

  1011. test_ldflags(){

  1012.     log test_ldflags "$@"

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

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

  1015. EOF

  1016. }

  1017. 

  1018. check_ldflags(){

  1019.     log check_ldflags "$@"

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

  1021. }

  1022. 

  1023. test_stripflags(){

  1024.     log test_stripflags "$@"

  1025.     # call check_cc to get a fresh TMPO

  1026.     check_cc <<EOF

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

  1028. EOF

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

  1030. }

  1031. 

  1032. check_stripflags(){

  1033.     log check_stripflags "$@"

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

  1035. }

  1036. 

  1037. check_header(){

  1038.     log check_header "$@"

  1039.     header=$1

  1040.     shift

  1041.     disable_safe $header

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

  1043. #include <$header>

  1044. int x;

  1045. EOF

  1046. }

  1047. 

  1048. check_header_objcc(){

  1049.     log check_header_objcc "$@"

  1050.     rm -f -- "$TMPO"

  1051.     header=$1

  1052.     shift

  1053.     disable_safe $header

  1054.     {

  1055.        echo "#include <$header>"

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

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

  1058. }

  1059. 

  1060. check_func(){

  1061.     log check_func "$@"

  1062.     func=$1

  1063.     shift

  1064.     disable $func

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

  1066. extern int $func();

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

  1068. EOF

  1069. }

  1070. 

  1071. check_complexfunc(){

  1072.     log check_complexfunc "$@"

  1073.     func=$1

  1074.     narg=$2

  1075.     shift 2

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

  1077.     disable $func

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

  1079. #include <complex.h>

  1080. #include <math.h>

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

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

  1083. EOF

  1084. }

  1085. 

  1086. check_mathfunc(){

  1087.     log check_mathfunc "$@"

  1088.     func=$1

  1089.     narg=$2

  1090.     shift 2

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

  1092.     disable $func

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

  1094. #include <math.h>

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

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

  1097. EOF

  1098. }

  1099. 

  1100. check_func_headers(){

  1101.     log check_func_headers "$@"

  1102.     headers=$1

  1103.     funcs=$2

  1104.     shift 2

  1105.     {

  1106.         for hdr in $headers; do

  1107.             print_include $hdr

  1108.         done

  1109.         for func in $funcs; do

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

  1111.         done

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

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

  1114. }

  1115. 

  1116. check_class_headers_cpp(){

  1117.     log check_class_headers_cpp "$@"

  1118.     headers=$1

  1119.     classes=$2

  1120.     shift 2

  1121.     {

  1122.         for hdr in $headers; do

  1123.             echo "#include <$hdr>"

  1124.         done

  1125.         echo "int main(void) { "

  1126.         i=1

  1127.         for class in $classes; do

  1128.             echo "$class obj$i;"

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

  1130.         done

  1131.         echo "return 0; }"

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

  1133. }

  1134. 

  1135. check_cpp_condition(){

  1136.     log check_cpp_condition "$@"

  1137.     header=$1

  1138.     condition=$2

  1139.     shift 2

  1140.     check_cpp "$@" <<EOF

  1141. #include <$header>

  1142. #if !($condition)

  1143. #error "unsatisfied condition: $condition"

  1144. #endif

  1145. EOF

  1146. }

  1147. 

  1148. check_lib(){

  1149.     log check_lib "$@"

  1150.     header="$1"

  1151.     func="$2"

  1152.     shift 2

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

  1154. }

  1155. 

  1156. check_lib2(){

  1157.     log check_lib2 "$@"

  1158.     headers="$1"

  1159.     funcs="$2"

  1160.     shift 2

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

  1162. }

  1163. 

  1164. check_lib_cpp(){

  1165.     log check_lib_cpp "$@"

  1166.     headers="$1"

  1167.     classes="$2"

  1168.     shift 2

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

  1170. }

  1171. 

  1172. check_pkg_config(){

  1173.     log check_pkg_config "$@"

  1174.     pkgandversion="$1"

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

  1176.     headers="$2"

  1177.     funcs="$3"

  1178.     shift 3

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

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

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

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

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

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

  1185. }

  1186. 

  1187. check_exec(){

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

  1189. }

  1190. 

  1191. check_exec_crash(){

  1192.     code=$(cat)

  1193. 

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

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

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

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

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

  1199. 

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

  1201. #include <signal.h>

  1202. static void sighandler(int sig){

  1203.     raise(SIGTERM);

  1204. }

  1205. int foo(void){

  1206.     $code

  1207. }

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

  1209. int main(void){

  1210.     signal(SIGILL, sighandler);

  1211.     signal(SIGFPE, sighandler);

  1212.     signal(SIGSEGV, sighandler);

  1213. #ifdef SIGBUS

  1214.     signal(SIGBUS, sighandler);

  1215. #endif

  1216.     return func_ptr();

  1217. }

  1218. EOF

  1219. }

  1220. 

  1221. check_type(){

  1222.     log check_type "$@"

  1223.     headers=$1

  1224.     type=$2

  1225.     shift 2

  1226.     disable_safe "$type"

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

  1228. }

  1229. 

  1230. check_struct(){

  1231.     log check_struct "$@"

  1232.     headers=$1

  1233.     struct=$2

  1234.     member=$3

  1235.     shift 3

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

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

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

  1239. }

  1240. 

  1241. check_builtin(){

  1242.     log check_builtin "$@"

  1243.     name=$1

  1244.     headers=$2

  1245.     builtin=$3

  1246.     shift 3

  1247.     disable "$name"

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

  1249. }

  1250. 

  1251. check_compile_assert(){

  1252.     log check_compile_assert "$@"

  1253.     name=$1

  1254.     headers=$2

  1255.     condition=$3

  1256.     shift 3

  1257.     disable "$name"

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

  1259. }

  1260. 

  1261. require(){

  1262.     name="$1"

  1263.     header="$2"

  1264.     func="$3"

  1265.     shift 3

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

  1267. }

  1268. 

  1269. require2(){

  1270.     name="$1"

  1271.     headers="$2"

  1272.     func="$3"

  1273.     shift 3

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

  1275. }

  1276. 

  1277. require_cpp(){

  1278.     name="$1"

  1279.     headers="$2"

  1280.     classes="$3"

  1281.     shift 3

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

  1283. }

  1284. 

  1285. use_pkg_config(){

  1286.     pkg="$1"

  1287.     check_pkg_config "$@" || return 1

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

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

  1290. }

  1291. 

  1292. require_pkg_config(){

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

  1294. }

  1295. 

  1296. require_libfreetype(){

  1297.     log require_libfreetype "$@"

  1298.     pkg="freetype2"

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

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

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

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

  1303.     {

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

  1305.         echo "#include FT_FREETYPE_H"

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

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

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

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

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

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

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

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

  1314. }

  1315. 

  1316. hostcc_e(){

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

  1318. }

  1319. 

  1320. hostcc_o(){

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

  1322. }

  1323. 

  1324. check_host_cc(){

  1325.     log check_host_cc "$@"

  1326.     cat > $TMPC

  1327.     log_file $TMPC

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

  1329. }

  1330. 

  1331. check_host_cpp(){

  1332.     log check_host_cpp "$@"

  1333.     cat > $TMPC

  1334.     log_file $TMPC

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

  1336. }

  1337. 

  1338. check_host_cppflags(){

  1339.     log check_host_cppflags "$@"

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

  1341. int x;

  1342. EOF

  1343. }

  1344. 

  1345. check_host_cflags(){

  1346.     log check_host_cflags "$@"

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

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

  1349. int x;

  1350. EOF

  1351. }

  1352. 

  1353. check_host_cpp_condition(){

  1354.     log check_host_cpp_condition "$@"

  1355.     header=$1

  1356.     condition=$2

  1357.     shift 2

  1358.     check_host_cpp "$@" <<EOF

  1359. #include <$header>

  1360. #if !($condition)

  1361. #error "unsatisfied condition: $condition"

  1362. #endif

  1363. EOF

  1364. }

  1365. 

  1366. cp_if_changed(){

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

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

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

  1370. }

  1371. 

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

  1373. # system-dependent things.

  1374. 

  1375. AVCODEC_COMPONENTS="

  1376.     bsfs

  1377.     decoders

  1378.     encoders

  1379.     hwaccels

  1380.     parsers

  1381. "

  1382. 

  1383. AVDEVICE_COMPONENTS="

  1384.     indevs

  1385.     outdevs

  1386. "

  1387. AVFILTER_COMPONENTS="

  1388.     filters

  1389. "

  1390. AVFORMAT_COMPONENTS="

  1391.     demuxers

  1392.     muxers

  1393.     protocols

  1394. "

  1395. 

  1396. AVRESAMPLE_COMPONENTS=""

  1397. AVUTIL_COMPONENTS=""

  1398. 

  1399. COMPONENT_LIST="

  1400.     $AVCODEC_COMPONENTS

  1401.     $AVDEVICE_COMPONENTS

  1402.     $AVFILTER_COMPONENTS

  1403.     $AVFORMAT_COMPONENTS

  1404.     $AVRESAMPLE_COMPONENTS

  1405.     $AVUTIL_COMPONENTS

  1406. "

  1407. 

  1408. EXAMPLE_LIST="

  1409.     avio_reading_example

  1410.     avio_dir_cmd_example

  1411.     decoding_encoding_example

  1412.     demuxing_decoding_example

  1413.     extract_mvs_example

  1414.     filter_audio_example

  1415.     filtering_audio_example

  1416.     filtering_video_example

  1417.     metadata_example

  1418.     muxing_example

  1419.     qsvdec_example

  1420.     remuxing_example

  1421.     resampling_audio_example

  1422.     scaling_video_example

  1423.     transcode_aac_example

  1424.     transcoding_example

  1425. "

  1426. 

  1427. EXTERNAL_LIBRARY_LIST="

  1428.     avisynth

  1429.     bzlib

  1430.     chromaprint

  1431.     crystalhd

  1432.     cuda

  1433.     decklink

  1434.     frei0r

  1435.     gcrypt

  1436.     gmp

  1437.     gnutls

  1438.     iconv

  1439.     ladspa

  1440.     libass

  1441.     libbluray

  1442.     libbs2b

  1443.     libcaca

  1444.     libcdio

  1445.     libcelt

  1446.     libdc1394

  1447.     libdcadec

  1448.     libfaac

  1449.     libfdk_aac

  1450.     libflite

  1451.     libfontconfig

  1452.     libfreetype

  1453.     libfribidi

  1454.     libgme

  1455.     libgsm

  1456.     libiec61883

  1457.     libilbc

  1458.     libkvazaar

  1459.     libmfx

  1460.     libmodplug

  1461.     libmp3lame

  1462.     libnut

  1463.     libopencore_amrnb

  1464.     libopencore_amrwb

  1465.     libopencv

  1466.     libopenh264

  1467.     libopenjpeg

  1468.     libopus

  1469.     libpulse

  1470.     librtmp

  1471.     librubberband

  1472.     libschroedinger

  1473.     libshine

  1474.     libsmbclient

  1475.     libsnappy

  1476.     libsoxr

  1477.     libspeex

  1478.     libssh

  1479.     libtesseract

  1480.     libtheora

  1481.     libtwolame

  1482.     libutvideo

  1483.     libv4l2

  1484.     libvidstab

  1485.     libvo_amrwbenc

  1486.     libvorbis

  1487.     libvpx

  1488.     libwavpack

  1489.     libwebp

  1490.     libx264

  1491.     libx265

  1492.     libxavs

  1493.     libxcb

  1494.     libxcb_shm

  1495.     libxcb_shape

  1496.     libxcb_xfixes

  1497.     libxvid

  1498.     libzimg

  1499.     libzmq

  1500.     libzvbi

  1501.     lzma

  1502.     mmal

  1503.     netcdf

  1504.     nvenc

  1505.     openal

  1506.     opencl

  1507.     opengl

  1508.     openssl

  1509.     schannel

  1510.     sdl

  1511.     securetransport

  1512.     videotoolbox

  1513.     x11grab

  1514.     xlib

  1515.     zlib

  1516. "

  1517. 

  1518. DOCUMENT_LIST="

  1519.     doc

  1520.     htmlpages

  1521.     manpages

  1522.     podpages

  1523.     txtpages

  1524. "

  1525. 

  1526. FEATURE_LIST="

  1527.     ftrapv

  1528.     gray

  1529.     hardcoded_tables

  1530.     runtime_cpudetect

  1531.     safe_bitstream_reader

  1532.     shared

  1533.     small

  1534.     static

  1535.     swscale_alpha

  1536. "

  1537. 

  1538. HWACCEL_LIST="

  1539.     d3d11va

  1540.     dxva2

  1541.     vaapi

  1542.     vda

  1543.     vdpau

  1544.     videotoolbox_hwaccel

  1545.     xvmc

  1546. "

  1547. 

  1548. LIBRARY_LIST="

  1549.     avcodec

  1550.     avdevice

  1551.     avfilter

  1552.     avformat

  1553.     avresample

  1554.     avutil

  1555.     postproc

  1556.     swresample

  1557.     swscale

  1558. "

  1559. 

  1560. LICENSE_LIST="

  1561.     gpl

  1562.     nonfree

  1563.     version3

  1564. "

  1565. 

  1566. PROGRAM_LIST="

  1567.     ffplay

  1568.     ffprobe

  1569.     ffserver

  1570.     ffmpeg

  1571. "

  1572. 

  1573. SUBSYSTEM_LIST="

  1574.     dct

  1575.     dwt

  1576.     error_resilience

  1577.     faan

  1578.     fast_unaligned

  1579.     fft

  1580.     lsp

  1581.     lzo

  1582.     mdct

  1583.     pixelutils

  1584.     network

  1585.     rdft

  1586. "

  1587. 

  1588. CONFIG_LIST="

  1589.     $COMPONENT_LIST

  1590.     $DOCUMENT_LIST

  1591.     $EXAMPLE_LIST

  1592.     $EXTERNAL_LIBRARY_LIST

  1593.     $FEATURE_LIST

  1594.     $HWACCEL_LIST

  1595.     $LICENSE_LIST

  1596.     $LIBRARY_LIST

  1597.     $PROGRAM_LIST

  1598.     $SUBSYSTEM_LIST

  1599.     fontconfig

  1600.     incompatible_libav_abi

  1601.     memalign_hack

  1602.     memory_poisoning

  1603.     neon_clobber_test

  1604.     pic

  1605.     pod2man

  1606.     raise_major

  1607.     thumb

  1608.     valgrind_backtrace

  1609.     xmm_clobber_test

  1610. "

  1611. 

  1612. THREADS_LIST="

  1613.     pthreads

  1614.     os2threads

  1615.     w32threads

  1616. "

  1617. 

  1618. ATOMICS_LIST="

  1619.     atomics_gcc

  1620.     atomics_suncc

  1621.     atomics_win32

  1622. "

  1623. 

  1624. ARCH_LIST="

  1625.     aarch64

  1626.     alpha

  1627.     arm

  1628.     avr32

  1629.     avr32_ap

  1630.     avr32_uc

  1631.     bfin

  1632.     ia64

  1633.     m68k

  1634.     mips

  1635.     mips64

  1636.     parisc

  1637.     ppc

  1638.     ppc64

  1639.     s390

  1640.     sh4

  1641.     sparc

  1642.     sparc64

  1643.     tilegx

  1644.     tilepro

  1645.     tomi

  1646.     x86

  1647.     x86_32

  1648.     x86_64

  1649. "

  1650. 

  1651. ARCH_EXT_LIST_ARM="

  1652.     armv5te

  1653.     armv6

  1654.     armv6t2

  1655.     armv8

  1656.     neon

  1657.     vfp

  1658.     vfpv3

  1659.     setend

  1660. "

  1661. 

  1662. ARCH_EXT_LIST_MIPS="

  1663.     mipsfpu

  1664.     mips32r2

  1665.     mips64r2

  1666.     mips32r6

  1667.     mips64r6

  1668.     mipsdsp

  1669.     mipsdspr2

  1670.     msa

  1671. "

  1672. 

  1673. ARCH_EXT_LIST_LOONGSON="

  1674.     loongson2

  1675.     loongson3

  1676.     mmi

  1677. "

  1678. 

  1679. ARCH_EXT_LIST_X86_SIMD="

  1680.     aesni

  1681.     amd3dnow

  1682.     amd3dnowext

  1683.     avx

  1684.     avx2

  1685.     fma3

  1686.     fma4

  1687.     mmx

  1688.     mmxext

  1689.     sse

  1690.     sse2

  1691.     sse3

  1692.     sse4

  1693.     sse42

  1694.     ssse3

  1695.     xop

  1696. "

  1697. 

  1698. ARCH_EXT_LIST_PPC="

  1699.     altivec

  1700.     dcbzl

  1701.     ldbrx

  1702.     power8

  1703.     ppc4xx

  1704.     vsx

  1705. "

  1706. 

  1707. ARCH_EXT_LIST_X86="

  1708.     $ARCH_EXT_LIST_X86_SIMD

  1709.     cpunop

  1710.     i686

  1711. "

  1712. 

  1713. ARCH_EXT_LIST="

  1714.     $ARCH_EXT_LIST_ARM

  1715.     $ARCH_EXT_LIST_PPC

  1716.     $ARCH_EXT_LIST_X86

  1717.     $ARCH_EXT_LIST_MIPS

  1718.     $ARCH_EXT_LIST_LOONGSON

  1719. "

  1720. 

  1721. ARCH_FEATURES="

  1722.     aligned_stack

  1723.     fast_64bit

  1724.     fast_clz

  1725.     fast_cmov

  1726.     local_aligned_8

  1727.     local_aligned_16

  1728.     local_aligned_32

  1729.     simd_align_16

  1730. "

  1731. 

  1732. BUILTIN_LIST="

  1733.     atomic_cas_ptr

  1734.     atomic_compare_exchange

  1735.     machine_rw_barrier

  1736.     MemoryBarrier

  1737.     mm_empty

  1738.     rdtsc

  1739.     sarestart

  1740.     sem_timedwait

  1741.     sync_val_compare_and_swap

  1742. "

  1743. HAVE_LIST_CMDLINE="

  1744.     inline_asm

  1745.     symver

  1746.     yasm

  1747. "

  1748. 

  1749. HAVE_LIST_PUB="

  1750.     bigendian

  1751.     fast_unaligned

  1752.     incompatible_libav_abi

  1753. "

  1754. 

  1755. HEADERS_LIST="

  1756.     alsa_asoundlib_h

  1757.     altivec_h

  1758.     arpa_inet_h

  1759.     asm_types_h

  1760.     cdio_paranoia_h

  1761.     cdio_paranoia_paranoia_h

  1762.     dispatch_dispatch_h

  1763.     dev_bktr_ioctl_bt848_h

  1764.     dev_bktr_ioctl_meteor_h

  1765.     dev_ic_bt8xx_h

  1766.     dev_video_bktr_ioctl_bt848_h

  1767.     dev_video_meteor_ioctl_meteor_h

  1768.     direct_h

  1769.     dirent_h

  1770.     dlfcn_h

  1771.     d3d11_h

  1772.     dxva_h

  1773.     ES2_gl_h

  1774.     gsm_h

  1775.     io_h

  1776.     mach_mach_time_h

  1777.     machine_ioctl_bt848_h

  1778.     machine_ioctl_meteor_h

  1779.     malloc_h

  1780.     opencv2_core_core_c_h

  1781.     openjpeg_2_1_openjpeg_h

  1782.     openjpeg_2_0_openjpeg_h

  1783.     openjpeg_1_5_openjpeg_h

  1784.     OpenGL_gl3_h

  1785.     poll_h

  1786.     sndio_h

  1787.     soundcard_h

  1788.     sys_mman_h

  1789.     sys_param_h

  1790.     sys_resource_h

  1791.     sys_select_h

  1792.     sys_soundcard_h

  1793.     sys_time_h

  1794.     sys_un_h

  1795.     sys_videoio_h

  1796.     termios_h

  1797.     udplite_h

  1798.     unistd_h

  1799.     valgrind_valgrind_h

  1800.     windows_h

  1801.     winsock2_h

  1802. "

  1803. 

  1804. INTRINSICS_LIST="

  1805.     intrinsics_neon

  1806. "

  1807. 

  1808. COMPLEX_FUNCS="

  1809.     cabs

  1810.     cexp

  1811. "

  1812. 

  1813. MATH_FUNCS="

  1814.     atanf

  1815.     atan2f

  1816.     cbrt

  1817.     cbrtf

  1818.     copysign

  1819.     cosf

  1820.     erf

  1821.     exp2

  1822.     exp2f

  1823.     expf

  1824.     hypot

  1825.     isfinite

  1826.     isinf

  1827.     isnan

  1828.     ldexpf

  1829.     llrint

  1830.     llrintf

  1831.     log2

  1832.     log2f

  1833.     log10f

  1834.     lrint

  1835.     lrintf

  1836.     powf

  1837.     rint

  1838.     round

  1839.     roundf

  1840.     sinf

  1841.     trunc

  1842.     truncf

  1843. "

  1844. 

  1845. SYSTEM_FUNCS="

  1846.     access

  1847.     aligned_malloc

  1848.     arc4random

  1849.     clock_gettime

  1850.     closesocket

  1851.     CommandLineToArgvW

  1852.     CoTaskMemFree

  1853.     CryptGenRandom

  1854.     dlopen

  1855.     fcntl

  1856.     flt_lim

  1857.     fork

  1858.     getaddrinfo

  1859.     gethrtime

  1860.     getopt

  1861.     GetProcessAffinityMask

  1862.     GetProcessMemoryInfo

  1863.     GetProcessTimes

  1864.     getrusage

  1865.     GetSystemTimeAsFileTime

  1866.     gettimeofday

  1867.     glob

  1868.     glXGetProcAddress

  1869.     gmtime_r

  1870.     inet_aton

  1871.     isatty

  1872.     jack_port_get_latency_range

  1873.     kbhit

  1874.     localtime_r

  1875.     lstat

  1876.     lzo1x_999_compress

  1877.     mach_absolute_time

  1878.     MapViewOfFile

  1879.     memalign

  1880.     mkstemp

  1881.     mmap

  1882.     mprotect

  1883.     nanosleep

  1884.     PeekNamedPipe

  1885.     posix_memalign

  1886.     pthread_cancel

  1887.     sched_getaffinity

  1888.     SetConsoleTextAttribute

  1889.     SetConsoleCtrlHandler

  1890.     setmode

  1891.     setrlimit

  1892.     Sleep

  1893.     strerror_r

  1894.     sysconf

  1895.     sysctl

  1896.     usleep

  1897.     UTGetOSTypeFromString

  1898.     VirtualAlloc

  1899.     wglGetProcAddress

  1900. "

  1901. 

  1902. TOOLCHAIN_FEATURES="

  1903.     as_dn_directive

  1904.     as_func

  1905.     as_object_arch

  1906.     asm_mod_q

  1907.     attribute_may_alias

  1908.     attribute_packed

  1909.     ebp_available

  1910.     ebx_available

  1911.     gnu_as

  1912.     gnu_windres

  1913.     ibm_asm

  1914.     inline_asm_direct_symbol_refs

  1915.     inline_asm_labels

  1916.     inline_asm_nonlocal_labels

  1917.     pragma_deprecated

  1918.     rsync_contimeout

  1919.     symver_asm_label

  1920.     symver_gnu_asm

  1921.     vfp_args

  1922.     xform_asm

  1923.     xmm_clobbers

  1924. "

  1925. 

  1926. TYPES_LIST="

  1927.     CONDITION_VARIABLE_Ptr

  1928.     socklen_t

  1929.     struct_addrinfo

  1930.     struct_group_source_req

  1931.     struct_ip_mreq_source

  1932.     struct_ipv6_mreq

  1933.     struct_pollfd

  1934.     struct_rusage_ru_maxrss

  1935.     struct_sctp_event_subscribe

  1936.     struct_sockaddr_in6

  1937.     struct_sockaddr_sa_len

  1938.     struct_sockaddr_storage

  1939.     struct_stat_st_mtim_tv_nsec

  1940.     struct_v4l2_frmivalenum_discrete

  1941. "

  1942. 

  1943. HAVE_LIST="

  1944.     $ARCH_EXT_LIST

  1945.     $(add_suffix _external $ARCH_EXT_LIST)

  1946.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1947.     $ARCH_FEATURES

  1948.     $ATOMICS_LIST

  1949.     $BUILTIN_LIST

  1950.     $COMPLEX_FUNCS

  1951.     $HAVE_LIST_CMDLINE

  1952.     $HAVE_LIST_PUB

  1953.     $HEADERS_LIST

  1954.     $INTRINSICS_LIST

  1955.     $MATH_FUNCS

  1956.     $SYSTEM_FUNCS

  1957.     $THREADS_LIST

  1958.     $TOOLCHAIN_FEATURES

  1959.     $TYPES_LIST

  1960.     atomics_native

  1961.     dos_paths

  1962.     dxva2_lib

  1963.     dxva2api_cobj

  1964.     libc_msvcrt

  1965.     libdc1394_1

  1966.     libdc1394_2

  1967.     makeinfo

  1968.     makeinfo_html

  1969.     perl

  1970.     pod2man

  1971.     sdl

  1972.     section_data_rel_ro

  1973.     texi2html

  1974.     threads

  1975.     vaapi_x11

  1976.     vdpau_x11

  1977.     winrt

  1978.     xlib

  1979. "

  1980. 

  1981. # options emitted with CONFIG_ prefix but not available on the command line

  1982. CONFIG_EXTRA="

  1983.     aandcttables

  1984.     ac3dsp

  1985.     audio_frame_queue

  1986.     audiodsp

  1987.     blockdsp

  1988.     bswapdsp

  1989.     cabac

  1990.     dirac_parse

  1991.     dvprofile

  1992.     exif

  1993.     faandct

  1994.     faanidct

  1995.     fdctdsp

  1996.     flacdsp

  1997.     fmtconvert

  1998.     frame_thread_encoder

  1999.     g722dsp

  2000.     golomb

  2001.     gplv3

  2002.     h263dsp

  2003.     h264chroma

  2004.     h264dsp

  2005.     h264pred

  2006.     h264qpel

  2007.     hpeldsp

  2008.     huffman

  2009.     huffyuvdsp

  2010.     huffyuvencdsp

  2011.     idctdsp

  2012.     iirfilter

  2013.     imdct15

  2014.     intrax8

  2015.     iso_media

  2016.     ividsp

  2017.     jpegtables

  2018.     lgplv3

  2019.     libx262

  2020.     llauddsp

  2021.     llviddsp

  2022.     lpc

  2023.     lzf

  2024.     me_cmp

  2025.     mpeg_er

  2026.     mpegaudio

  2027.     mpegaudiodsp

  2028.     mpegvideo

  2029.     mpegvideoenc

  2030.     mss34dsp

  2031.     pixblockdsp

  2032.     qpeldsp

  2033.     qsv

  2034.     qsvdec

  2035.     qsvenc

  2036.     rangecoder

  2037.     riffdec

  2038.     riffenc

  2039.     rtpdec

  2040.     rtpenc_chain

  2041.     rv34dsp

  2042.     sinewin

  2043.     snappy

  2044.     startcode

  2045.     texturedsp

  2046.     texturedspenc

  2047.     tpeldsp

  2048.     vc1dsp

  2049.     videodsp

  2050.     vp3dsp

  2051.     vp56dsp

  2052.     vp8dsp

  2053.     wma_freqs

  2054.     wmv2dsp

  2055. "

  2056. 

  2057. CMDLINE_SELECT="

  2058.     $ARCH_EXT_LIST

  2059.     $CONFIG_LIST

  2060.     $HAVE_LIST_CMDLINE

  2061.     $THREADS_LIST

  2062.     asm

  2063.     cross_compile

  2064.     debug

  2065.     extra_warnings

  2066.     logging

  2067.     lto

  2068.     optimizations

  2069.     rpath

  2070.     stripping

  2071. "

  2072. 

  2073. PATHS_LIST="

  2074.     bindir

  2075.     datadir

  2076.     docdir

  2077.     incdir

  2078.     libdir

  2079.     mandir

  2080.     pkgconfigdir

  2081.     prefix

  2082.     shlibdir

  2083.     install_name_dir

  2084. "

  2085. 

  2086. CMDLINE_SET="

  2087.     $PATHS_LIST

  2088.     ar

  2089.     arch

  2090.     as

  2091.     assert_level

  2092.     build_suffix

  2093.     cc

  2094.     objcc

  2095.     cpu

  2096.     cross_prefix

  2097.     custom_allocator

  2098.     cxx

  2099.     dep_cc

  2100.     doxygen

  2101.     env

  2102.     extra_version

  2103.     gas

  2104.     host_cc

  2105.     host_cflags

  2106.     host_ld

  2107.     host_ldflags

  2108.     host_libs

  2109.     host_os

  2110.     install

  2111.     ld

  2112.     logfile

  2113.     malloc_prefix

  2114.     nm

  2115.     optflags

  2116.     pkg_config

  2117.     pkg_config_flags

  2118.     progs_suffix

  2119.     random_seed

  2120.     ranlib

  2121.     samples

  2122.     strip

  2123.     sws_max_filter_size

  2124.     sysinclude

  2125.     sysroot

  2126.     target_exec

  2127.     target_os

  2128.     target_path

  2129.     target_samples

  2130.     tempprefix

  2131.     toolchain

  2132.     valgrind

  2133.     yasmexe

  2134. "

  2135. 

  2136. CMDLINE_APPEND="

  2137.     extra_cflags

  2138.     extra_cxxflags

  2139.     extra_objcflags

  2140.     host_cppflags

  2141. "

  2142. 

  2143. # code dependency declarations

  2144. 

  2145. # architecture extensions

  2146. 

  2147. armv5te_deps="arm"

  2148. armv6_deps="arm"

  2149. armv6t2_deps="arm"

  2150. armv8_deps="aarch64"

  2151. neon_deps_any="aarch64 arm"

  2152. intrinsics_neon_deps="neon"

  2153. vfp_deps_any="aarch64 arm"

  2154. vfpv3_deps="vfp"

  2155. setend_deps="arm"

  2156. 

  2157. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2158. 

  2159. mipsfpu_deps="mips"

  2160. mipsdsp_deps="mips"

  2161. mipsdspr2_deps="mips"

  2162. mips32r2_deps="mips"

  2163. mips32r6_deps="mips"

  2164. mips64r2_deps="mips"

  2165. mips64r6_deps="mips"

  2166. msa_deps="mips"

  2167. mmi_deps="mips"

  2168. 

  2169. altivec_deps="ppc"

  2170. dcbzl_deps="ppc"

  2171. ldbrx_deps="ppc"

  2172. ppc4xx_deps="ppc"

  2173. vsx_deps="altivec"

  2174. power8_deps="vsx"

  2175. 

  2176. cpunop_deps="i686"

  2177. x86_64_select="i686"

  2178. x86_64_suggest="fast_cmov"

  2179. 

  2180. amd3dnow_deps="mmx"

  2181. amd3dnowext_deps="amd3dnow"

  2182. i686_deps="x86"

  2183. mmx_deps="x86"

  2184. mmxext_deps="mmx"

  2185. sse_deps="mmxext"

  2186. sse2_deps="sse"

  2187. sse3_deps="sse2"

  2188. ssse3_deps="sse3"

  2189. sse4_deps="ssse3"

  2190. sse42_deps="sse4"

  2191. aesni_deps="sse42"

  2192. avx_deps="sse42"

  2193. xop_deps="avx"

  2194. fma3_deps="avx"

  2195. fma4_deps="avx"

  2196. avx2_deps="avx"

  2197. 

  2198. mmx_external_deps="yasm"

  2199. mmx_inline_deps="inline_asm"

  2200. mmx_suggest="mmx_external mmx_inline"

  2201. 

  2202. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2203.     eval dep=\$${ext}_deps

  2204.     eval ${ext}_external_deps='"${dep}_external"'

  2205.     eval ${ext}_inline_deps='"${dep}_inline"'

  2206.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2207. done

  2208. 

  2209. aligned_stack_if_any="aarch64 ppc x86"

  2210. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2211. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2212. fast_unaligned_if_any="aarch64 ppc x86"

  2213. simd_align_16_if_any="altivec neon sse"

  2214. 

  2215. # system capabilities

  2216. symver_if_any="symver_asm_label symver_gnu_asm"

  2217. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2218. 

  2219. # threading support

  2220. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2221. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2222. atomics_win32_if="MemoryBarrier"

  2223. atomics_native_if_any="$ATOMICS_LIST"

  2224. w32threads_deps="atomics_native"

  2225. threads_if_any="$THREADS_LIST"

  2226. 

  2227. # subsystems

  2228. dct_select="rdft"

  2229. dirac_parse_select="golomb"

  2230. error_resilience_select="me_cmp"

  2231. faandct_deps="faan fdctdsp"

  2232. faanidct_deps="faan idctdsp"

  2233. h264dsp_select="startcode"

  2234. frame_thread_encoder_deps="encoders threads"

  2235. intrax8_select="error_resilience"

  2236. mdct_select="fft"

  2237. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2238. mpeg_er_select="error_resilience"

  2239. mpegaudio_select="mpegaudiodsp"

  2240. mpegaudiodsp_select="dct"

  2241. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2242. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2243. qsvdec_select="qsv"

  2244. qsvenc_select="qsv"

  2245. vc1dsp_select="h264chroma qpeldsp startcode"

  2246. rdft_select="fft"

  2247. 

  2248. # decoders / encoders

  2249. aac_decoder_select="imdct15 mdct sinewin"

  2250. aac_fixed_decoder_select="mdct sinewin"

  2251. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2252. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2253. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2254. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2255. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2256. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2257. adpcm_g722_decoder_select="g722dsp"

  2258. adpcm_g722_encoder_select="g722dsp"

  2259. aic_decoder_select="golomb idctdsp"

  2260. alac_encoder_select="lpc"

  2261. als_decoder_select="bswapdsp"

  2262. amrnb_decoder_select="lsp"

  2263. amrwb_decoder_select="lsp"

  2264. amv_decoder_select="sp5x_decoder exif"

  2265. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2266. ape_decoder_select="bswapdsp llauddsp"

  2267. apng_decoder_select="zlib"

  2268. apng_encoder_select="huffyuvencdsp zlib"

  2269. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2270. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2271. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2272. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2273. atrac1_decoder_select="mdct sinewin"

  2274. atrac3_decoder_select="mdct"

  2275. atrac3p_decoder_select="mdct sinewin"

  2276. avrn_decoder_select="exif jpegtables"

  2277. bink_decoder_select="blockdsp hpeldsp"

  2278. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2279. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2280. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2281. cllc_decoder_select="bswapdsp"

  2282. comfortnoise_encoder_select="lpc"

  2283. cook_decoder_select="audiodsp mdct sinewin"

  2284. cscd_decoder_select="lzo"

  2285. cscd_decoder_suggest="zlib"

  2286. dca_decoder_select="mdct"

  2287. dds_decoder_select="texturedsp"

  2288. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2289. dnxhd_decoder_select="blockdsp idctdsp"

  2290. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2291. dvvideo_decoder_select="dvprofile idctdsp"

  2292. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2293. dxa_decoder_select="zlib"

  2294. dxv_decoder_select="lzf texturedsp"

  2295. eac3_decoder_select="ac3_decoder"

  2296. eac3_encoder_select="ac3_encoder"

  2297. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2298. eatgq_decoder_select="aandcttables"

  2299. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2300. exr_decoder_select="zlib"

  2301. ffv1_decoder_select="golomb rangecoder"

  2302. ffv1_encoder_select="rangecoder"

  2303. ffvhuff_decoder_select="huffyuv_decoder"

  2304. ffvhuff_encoder_select="huffyuv_encoder"

  2305. fic_decoder_select="golomb"

  2306. flac_decoder_select="flacdsp golomb"

  2307. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2308. flashsv2_decoder_select="zlib"

  2309. flashsv2_encoder_select="zlib"

  2310. flashsv_decoder_select="zlib"

  2311. flashsv_encoder_select="zlib"

  2312. flv_decoder_select="h263_decoder"

  2313. flv_encoder_select="h263_encoder"

  2314. fourxm_decoder_select="blockdsp bswapdsp"

  2315. fraps_decoder_select="bswapdsp huffman"

  2316. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2317. g729_decoder_select="audiodsp"

  2318. h261_decoder_select="mpegvideo"

  2319. h261_encoder_select="aandcttables mpegvideoenc"

  2320. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2321. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2322. h263i_decoder_select="h263_decoder"

  2323. h263p_decoder_select="h263_decoder"

  2324. h263p_encoder_select="h263_encoder"

  2325. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"

  2326. h264_decoder_suggest="error_resilience"

  2327. h264_qsv_decoder_deps="libmfx"

  2328. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2329. h264_qsv_encoder_deps="libmfx"

  2330. h264_qsv_encoder_select="qsvenc"

  2331. hap_decoder_select="snappy texturedsp"

  2332. hap_encoder_deps="libsnappy"

  2333. hap_encoder_select="texturedspenc"

  2334. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2335. hevc_qsv_decoder_deps="libmfx"

  2336. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2337. hevc_qsv_encoder_deps="libmfx"

  2338. hevc_qsv_encoder_select="qsvenc"

  2339. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2340. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2341. iac_decoder_select="imc_decoder"

  2342. imc_decoder_select="bswapdsp fft mdct sinewin"

  2343. indeo3_decoder_select="hpeldsp"

  2344. indeo4_decoder_select="ividsp"

  2345. indeo5_decoder_select="ividsp"

  2346. interplay_video_decoder_select="hpeldsp"

  2347. jpegls_decoder_select="golomb mjpeg_decoder"

  2348. jpegls_encoder_select="golomb"

  2349. jv_decoder_select="blockdsp"

  2350. lagarith_decoder_select="huffyuvdsp"

  2351. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2352. loco_decoder_select="golomb"

  2353. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2354. metasound_decoder_select="lsp mdct sinewin"

  2355. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2356. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2357. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2358. mjpegb_decoder_select="mjpeg_decoder"

  2359. mlp_decoder_select="mlp_parser"

  2360. motionpixels_decoder_select="bswapdsp"

  2361. mp1_decoder_select="mpegaudio"

  2362. mp1float_decoder_select="mpegaudio"

  2363. mp2_decoder_select="mpegaudio"

  2364. mp2float_decoder_select="mpegaudio"

  2365. mp3_decoder_select="mpegaudio"

  2366. mp3adu_decoder_select="mpegaudio"

  2367. mp3adufloat_decoder_select="mpegaudio"

  2368. mp3float_decoder_select="mpegaudio"

  2369. mp3on4_decoder_select="mpegaudio"

  2370. mp3on4float_decoder_select="mpegaudio"

  2371. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2372. mpc8_decoder_select="mpegaudiodsp"

  2373. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2374. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2375. mpegvideo_decoder_select="mpegvideo"

  2376. mpeg1video_decoder_select="mpegvideo"

  2377. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2378. mpeg2video_decoder_select="mpegvideo"

  2379. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2380. mpeg2_qsv_decoder_deps="libmfx"

  2381. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2382. mpeg2_qsv_encoder_deps="libmfx"

  2383. mpeg2_qsv_encoder_select="qsvenc"

  2384. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2385. mpeg4_encoder_select="h263_encoder"

  2386. msa1_decoder_select="mss34dsp"

  2387. msmpeg4v1_decoder_select="h263_decoder"

  2388. msmpeg4v2_decoder_select="h263_decoder"

  2389. msmpeg4v2_encoder_select="h263_encoder"

  2390. msmpeg4v3_decoder_select="h263_decoder"

  2391. msmpeg4v3_encoder_select="h263_encoder"

  2392. mss2_decoder_select="vc1_decoder mpegvideo"

  2393. mts2_decoder_select="mss34dsp"

  2394. mxpeg_decoder_select="mjpeg_decoder"

  2395. nellymoser_decoder_select="mdct sinewin"

  2396. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2397. nuv_decoder_select="idctdsp lzo"

  2398. on2avc_decoder_select="mdct"

  2399. opus_decoder_deps="swresample"

  2400. opus_decoder_select="imdct15"

  2401. png_decoder_select="zlib"

  2402. png_encoder_select="huffyuvencdsp zlib"

  2403. prores_decoder_select="blockdsp idctdsp"

  2404. prores_encoder_select="fdctdsp"

  2405. qcelp_decoder_select="lsp"

  2406. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2407. ra_144_decoder_select="audiodsp"

  2408. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2409. ralf_decoder_select="golomb"

  2410. rawvideo_decoder_select="bswapdsp"

  2411. rscc_decoder_select="zlib"

  2412. rtjpeg_decoder_select="me_cmp"

  2413. rv10_decoder_select="h263_decoder"

  2414. rv10_encoder_select="h263_encoder"

  2415. rv20_decoder_select="h263_decoder"

  2416. rv20_encoder_select="h263_encoder"

  2417. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2418. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2419. screenpresso_decoder_select="zlib"

  2420. shorten_decoder_select="golomb"

  2421. sipr_decoder_select="lsp"

  2422. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2423. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2424. sonic_decoder_select="golomb rangecoder"

  2425. sonic_encoder_select="golomb rangecoder"

  2426. sonic_ls_encoder_select="golomb rangecoder"

  2427. sp5x_decoder_select="mjpeg_decoder"

  2428. svq1_decoder_select="hpeldsp"

  2429. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2430. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2431. svq3_decoder_suggest="zlib"

  2432. tak_decoder_select="audiodsp"

  2433. tdsc_decoder_select="zlib mjpeg_decoder"

  2434. theora_decoder_select="vp3_decoder"

  2435. thp_decoder_select="mjpeg_decoder"

  2436. tiff_decoder_suggest="zlib lzma"

  2437. tiff_encoder_suggest="zlib"

  2438. truehd_decoder_select="mlp_parser"

  2439. truemotion2_decoder_select="bswapdsp"

  2440. truespeech_decoder_select="bswapdsp"

  2441. tscc_decoder_select="zlib"

  2442. twinvq_decoder_select="mdct lsp sinewin"

  2443. txd_decoder_select="texturedsp"

  2444. utvideo_decoder_select="bswapdsp"

  2445. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2446. vble_decoder_select="huffyuvdsp"

  2447. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2448. vc1_qsv_decoder_deps="libmfx"

  2449. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2450. vc1image_decoder_select="vc1_decoder"

  2451. vorbis_decoder_select="mdct"

  2452. vorbis_encoder_select="mdct"

  2453. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2454. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2455. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2456. vp6a_decoder_select="vp6_decoder"

  2457. vp6f_decoder_select="vp6_decoder"

  2458. vp7_decoder_select="h264pred videodsp vp8dsp"

  2459. vp8_decoder_select="h264pred videodsp vp8dsp"

  2460. vp9_decoder_select="videodsp vp9_parser"

  2461. webp_decoder_select="vp8_decoder exif"

  2462. wmalossless_decoder_select="llauddsp"

  2463. wmapro_decoder_select="mdct sinewin wma_freqs"

  2464. wmav1_decoder_select="mdct sinewin wma_freqs"

  2465. wmav1_encoder_select="mdct sinewin wma_freqs"

  2466. wmav2_decoder_select="mdct sinewin wma_freqs"

  2467. wmav2_encoder_select="mdct sinewin wma_freqs"

  2468. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2469. wmv1_decoder_select="h263_decoder"

  2470. wmv1_encoder_select="h263_encoder"

  2471. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2472. wmv2_encoder_select="h263_encoder wmv2dsp"

  2473. wmv3_decoder_select="vc1_decoder"

  2474. wmv3image_decoder_select="wmv3_decoder"

  2475. xma1_decoder_select="wmapro_decoder"

  2476. xma2_decoder_select="wmapro_decoder"

  2477. zerocodec_decoder_select="zlib"

  2478. zlib_decoder_select="zlib"

  2479. zlib_encoder_select="zlib"

  2480. zmbv_decoder_select="zlib"

  2481. zmbv_encoder_select="zlib"

  2482. 

  2483. # hardware accelerators

  2484. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2485. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2486. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2487. vaapi_deps="va_va_h"

  2488. vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"

  2489. vda_framework_extralibs="-framework VideoDecodeAcceleration"

  2490. vda_deps="vda_framework pthreads"

  2491. vda_extralibs="-framework CoreFoundation -framework QuartzCore"

  2492. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2493. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2494. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2495. xvmc_deps="X11_extensions_XvMClib_h"

  2496. 

  2497. h263_vaapi_hwaccel_deps="vaapi"

  2498. h263_vaapi_hwaccel_select="h263_decoder"

  2499. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2500. h263_videotoolbox_hwaccel_select="h263_decoder"

  2501. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2502. h264_d3d11va_hwaccel_deps="d3d11va"

  2503. h264_d3d11va_hwaccel_select="h264_decoder"

  2504. h264_dxva2_hwaccel_deps="dxva2"

  2505. h264_dxva2_hwaccel_select="h264_decoder"

  2506. h264_mmal_decoder_deps="mmal"

  2507. h264_mmal_decoder_select="mmal"

  2508. h264_mmal_hwaccel_deps="mmal"

  2509. h264_qsv_hwaccel_deps="libmfx"

  2510. h264_vaapi_hwaccel_deps="vaapi"

  2511. h264_vaapi_hwaccel_select="h264_decoder"

  2512. h264_vda_decoder_deps="vda"

  2513. h264_vda_decoder_select="h264_decoder"

  2514. h264_vda_hwaccel_deps="vda"

  2515. h264_vda_hwaccel_select="h264_decoder"

  2516. h264_vda_old_hwaccel_deps="vda"

  2517. h264_vda_old_hwaccel_select="h264_decoder"

  2518. h264_vdpau_decoder_deps="vdpau"

  2519. h264_vdpau_decoder_select="h264_decoder"

  2520. h264_vdpau_hwaccel_deps="vdpau"

  2521. h264_vdpau_hwaccel_select="h264_decoder"

  2522. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2523. h264_videotoolbox_hwaccel_select="h264_decoder"

  2524. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2525. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2526. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2527. hevc_dxva2_hwaccel_select="hevc_decoder"

  2528. hevc_qsv_hwaccel_deps="libmfx"

  2529. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2530. hevc_vaapi_hwaccel_select="hevc_decoder"

  2531. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2532. hevc_vdpau_hwaccel_select="hevc_decoder"

  2533. mpeg_vdpau_decoder_deps="vdpau"

  2534. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2535. mpeg_xvmc_hwaccel_deps="xvmc"

  2536. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2537. mpeg1_vdpau_decoder_deps="vdpau"

  2538. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2539. mpeg1_vdpau_hwaccel_deps="vdpau"

  2540. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2541. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2542. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2543. mpeg1_xvmc_hwaccel_deps="xvmc"

  2544. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2545. mpeg2_crystalhd_decoder_select="crystalhd"

  2546. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2547. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2548. mpeg2_dxva2_hwaccel_deps="dxva2"

  2549. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2550. mpeg2_mmal_decoder_deps="mmal"

  2551. mpeg2_mmal_decoder_select="mmal"

  2552. mpeg2_mmal_hwaccel_deps="mmal"

  2553. mpeg2_qsv_hwaccel_deps="libmfx"

  2554. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2555. mpeg2_vaapi_hwaccel_deps="vaapi"

  2556. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2557. mpeg2_vdpau_hwaccel_deps="vdpau"

  2558. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2559. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2560. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2561. mpeg2_xvmc_hwaccel_deps="xvmc"

  2562. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2563. mpeg4_crystalhd_decoder_select="crystalhd"

  2564. mpeg4_mmal_decoder_deps="mmal"

  2565. mpeg4_mmal_decoder_select="mmal"

  2566. mpeg4_mmal_hwaccel_deps="mmal"

  2567. mpeg4_vaapi_hwaccel_deps="vaapi"

  2568. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2569. mpeg4_vdpau_decoder_deps="vdpau"

  2570. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2571. mpeg4_vdpau_hwaccel_deps="vdpau"

  2572. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2573. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2574. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2575. msmpeg4_crystalhd_decoder_select="crystalhd"

  2576. vc1_crystalhd_decoder_select="crystalhd"

  2577. vc1_d3d11va_hwaccel_deps="d3d11va"

  2578. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2579. vc1_dxva2_hwaccel_deps="dxva2"

  2580. vc1_dxva2_hwaccel_select="vc1_decoder"

  2581. vc1_mmal_decoder_deps="mmal"

  2582. vc1_mmal_decoder_select="mmal"

  2583. vc1_mmal_hwaccel_deps="mmal"

  2584. vc1_qsv_hwaccel_deps="libmfx"

  2585. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2586. vc1_vaapi_hwaccel_deps="vaapi"

  2587. vc1_vaapi_hwaccel_select="vc1_decoder"

  2588. vc1_vdpau_decoder_deps="vdpau"

  2589. vc1_vdpau_decoder_select="vc1_decoder"

  2590. vc1_vdpau_hwaccel_deps="vdpau"

  2591. vc1_vdpau_hwaccel_select="vc1_decoder"

  2592. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2593. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2594. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2595. vp9_dxva2_hwaccel_select="vp9_decoder"

  2596. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"

  2597. vp9_vaapi_hwaccel_select="vp9_decoder"

  2598. wmv3_crystalhd_decoder_select="crystalhd"

  2599. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2600. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2601. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2602. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2603. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2604. 

  2605. # parsers

  2606. h264_parser_select="h264_decoder"

  2607. hevc_parser_select="golomb"

  2608. mpegvideo_parser_select="mpegvideo"

  2609. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2610. vc1_parser_select="vc1dsp"

  2611. 

  2612. # bitstream_filters

  2613. mjpeg2jpeg_bsf_select="jpegtables"

  2614. 

  2615. # external libraries

  2616. chromaprint_muxer_deps="chromaprint"

  2617. h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"

  2618. h264_videotoolbox_encoder_select="bzlib zlib iconv"

  2619. libcelt_decoder_deps="libcelt"

  2620. libdcadec_decoder_deps="libdcadec"

  2621. libfaac_encoder_deps="libfaac"

  2622. libfaac_encoder_select="audio_frame_queue"

  2623. libfdk_aac_decoder_deps="libfdk_aac"

  2624. libfdk_aac_encoder_deps="libfdk_aac"

  2625. libfdk_aac_encoder_select="audio_frame_queue"

  2626. libgme_demuxer_deps="libgme"

  2627. libgsm_decoder_deps="libgsm"

  2628. libgsm_encoder_deps="libgsm"

  2629. libgsm_ms_decoder_deps="libgsm"

  2630. libgsm_ms_encoder_deps="libgsm"

  2631. libilbc_decoder_deps="libilbc"

  2632. libilbc_encoder_deps="libilbc"

  2633. libkvazaar_encoder_deps="libkvazaar"

  2634. libmodplug_demuxer_deps="libmodplug"

  2635. libmp3lame_encoder_deps="libmp3lame"

  2636. libmp3lame_encoder_select="audio_frame_queue"

  2637. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2638. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2639. libopencore_amrnb_encoder_select="audio_frame_queue"

  2640. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2641. libopenh264_encoder_deps="libopenh264"

  2642. libopenjpeg_decoder_deps="libopenjpeg"

  2643. libopenjpeg_encoder_deps="libopenjpeg"

  2644. libopus_decoder_deps="libopus"

  2645. libopus_encoder_deps="libopus"

  2646. libopus_encoder_select="audio_frame_queue"

  2647. libschroedinger_decoder_deps="libschroedinger"

  2648. libschroedinger_encoder_deps="libschroedinger"

  2649. libshine_encoder_deps="libshine"

  2650. libshine_encoder_select="audio_frame_queue"

  2651. libspeex_decoder_deps="libspeex"

  2652. libspeex_encoder_deps="libspeex"

  2653. libspeex_encoder_select="audio_frame_queue"

  2654. libtheora_encoder_deps="libtheora"

  2655. libtwolame_encoder_deps="libtwolame"

  2656. libutvideo_decoder_deps="libutvideo"

  2657. libutvideo_encoder_deps="libutvideo"

  2658. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2659. libvorbis_decoder_deps="libvorbis"

  2660. libvorbis_encoder_deps="libvorbis"

  2661. libvorbis_encoder_select="audio_frame_queue"

  2662. libvpx_vp8_decoder_deps="libvpx"

  2663. libvpx_vp8_encoder_deps="libvpx"

  2664. libvpx_vp9_decoder_deps="libvpx"

  2665. libvpx_vp9_encoder_deps="libvpx"

  2666. libwavpack_encoder_deps="libwavpack"

  2667. libwebp_encoder_deps="libwebp"

  2668. libwebp_anim_encoder_deps="libwebp"

  2669. libx262_encoder_deps="libx262"

  2670. libx264_encoder_deps="libx264"

  2671. libx264rgb_encoder_deps="libx264"

  2672. libx264rgb_encoder_select="libx264_encoder"

  2673. libx265_encoder_deps="libx265"

  2674. libxavs_encoder_deps="libxavs"

  2675. libxvid_encoder_deps="libxvid"

  2676. libzvbi_teletext_decoder_deps="libzvbi"

  2677. nvenc_encoder_deps="nvenc"

  2678. nvenc_h264_encoder_deps="nvenc"

  2679. nvenc_hevc_encoder_deps="nvenc"

  2680. videotoolbox_deps="VideoToolbox_VideoToolbox_h"

  2681. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"

  2682. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  2683. videotoolbox_encoder_suggest="vda_framework"

  2684. 

  2685. # demuxers / muxers

  2686. ac3_demuxer_select="ac3_parser"

  2687. asf_demuxer_select="riffdec"

  2688. asf_o_demuxer_select="riffdec"

  2689. asf_muxer_select="riffenc"

  2690. asf_stream_muxer_select="asf_muxer"

  2691. avi_demuxer_select="iso_media riffdec exif"

  2692. avi_muxer_select="riffenc"

  2693. avisynth_demuxer_deps="avisynth"

  2694. avisynth_demuxer_select="riffdec"

  2695. caf_demuxer_select="iso_media riffdec"

  2696. dash_muxer_select="mp4_muxer"

  2697. dirac_demuxer_select="dirac_parser"

  2698. dts_demuxer_select="dca_parser"

  2699. dtshd_demuxer_select="dca_parser"

  2700. dv_demuxer_select="dvprofile"

  2701. dv_muxer_select="dvprofile"

  2702. dxa_demuxer_select="riffdec"

  2703. eac3_demuxer_select="ac3_parser"

  2704. f4v_muxer_select="mov_muxer"

  2705. flac_demuxer_select="flac_parser"

  2706. hds_muxer_select="flv_muxer"

  2707. hls_muxer_select="mpegts_muxer"

  2708. image2_alias_pix_demuxer_select="image2_demuxer"

  2709. image2_brender_pix_demuxer_select="image2_demuxer"

  2710. ipod_muxer_select="mov_muxer"

  2711. ismv_muxer_select="mov_muxer"

  2712. libnut_demuxer_deps="libnut"

  2713. libnut_muxer_deps="libnut"

  2714. matroska_audio_muxer_select="matroska_muxer"

  2715. matroska_demuxer_select="iso_media riffdec"

  2716. matroska_demuxer_suggest="bzlib lzo zlib"

  2717. matroska_muxer_select="iso_media riffenc"

  2718. mmf_muxer_select="riffenc"

  2719. mov_demuxer_select="iso_media riffdec"

  2720. mov_demuxer_suggest="zlib"

  2721. mov_muxer_select="iso_media riffenc rtpenc_chain"

  2722. mp3_demuxer_select="mpegaudio_parser"

  2723. mp4_muxer_select="mov_muxer"

  2724. mpegts_demuxer_select="iso_media"

  2725. mpegts_muxer_select="adts_muxer latm_muxer"

  2726. mpegtsraw_demuxer_select="mpegts_demuxer"

  2727. mxf_d10_muxer_select="mxf_muxer"

  2728. mxf_opatom_muxer_select="mxf_muxer"

  2729. nut_muxer_select="riffenc"

  2730. nuv_demuxer_select="riffdec"

  2731. oga_muxer_select="ogg_muxer"

  2732. ogg_demuxer_select="dirac_parse"

  2733. opus_muxer_select="ogg_muxer"

  2734. psp_muxer_select="mov_muxer"

  2735. rtp_demuxer_select="sdp_demuxer"

  2736. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2737. rtsp_demuxer_select="http_protocol rtpdec"

  2738. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2739. sap_demuxer_select="sdp_demuxer"

  2740. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2741. sdp_demuxer_select="rtpdec"

  2742. smoothstreaming_muxer_select="ismv_muxer"

  2743. spdif_muxer_select="aac_parser"

  2744. spx_muxer_select="ogg_muxer"

  2745. swf_demuxer_suggest="zlib"

  2746. tak_demuxer_select="tak_parser"

  2747. tg2_muxer_select="mov_muxer"

  2748. tgp_muxer_select="mov_muxer"

  2749. vobsub_demuxer_select="mpegps_demuxer"

  2750. w64_demuxer_select="wav_demuxer"

  2751. w64_muxer_select="wav_muxer"

  2752. wav_demuxer_select="riffdec"

  2753. wav_muxer_select="riffenc"

  2754. webm_muxer_select="iso_media riffenc"

  2755. webm_dash_manifest_demuxer_select="matroska_demuxer"

  2756. wtv_demuxer_select="mpegts_demuxer riffdec"

  2757. wtv_muxer_select="mpegts_muxer riffenc"

  2758. xmv_demuxer_select="riffdec"

  2759. xwma_demuxer_select="riffdec"

  2760. 

  2761. # indevs / outdevs

  2762. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2763. alsa_outdev_deps="alsa_asoundlib_h"

  2764. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2765. avfoundation_indev_select="avfoundation"

  2766. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2767. caca_outdev_deps="libcaca"

  2768. decklink_indev_deps="decklink pthreads"

  2769. decklink_indev_extralibs="-lstdc++"

  2770. decklink_outdev_deps="decklink pthreads"

  2771. decklink_outdev_extralibs="-lstdc++"

  2772. dshow_indev_deps="IBaseFilter"

  2773. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2774. dv1394_indev_deps="dv1394"

  2775. dv1394_indev_select="dv_demuxer"

  2776. fbdev_indev_deps="linux_fb_h"

  2777. fbdev_outdev_deps="linux_fb_h"

  2778. gdigrab_indev_deps="CreateDIBSection"

  2779. gdigrab_indev_extralibs="-lgdi32"

  2780. gdigrab_indev_select="bmp_decoder"

  2781. iec61883_indev_deps="libiec61883"

  2782. jack_indev_deps="jack_jack_h"

  2783. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  2784. lavfi_indev_deps="avfilter"

  2785. libcdio_indev_deps="libcdio"

  2786. libdc1394_indev_deps="libdc1394"

  2787. libv4l2_indev_deps="libv4l2"

  2788. openal_indev_deps="openal"

  2789. opengl_outdev_deps="opengl"

  2790. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2791. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2792. pulse_indev_deps="libpulse"

  2793. pulse_outdev_deps="libpulse"

  2794. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2795. qtkit_indev_select="qtkit"

  2796. sdl_outdev_deps="sdl"

  2797. sndio_indev_deps="sndio_h"

  2798. sndio_outdev_deps="sndio_h"

  2799. v4l_indev_deps="linux_videodev_h"

  2800. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2801. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2802. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2803. vfwcap_indev_extralibs="-lavicap32"

  2804. x11grab_indev_deps="x11grab"

  2805. x11grab_xcb_indev_deps="libxcb"

  2806. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2807. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2808. 

  2809. # protocols

  2810. async_protocol_deps="threads"

  2811. bluray_protocol_deps="libbluray"

  2812. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2813. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2814. ffrtmpcrypt_protocol_select="tcp_protocol"

  2815. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2816. ffrtmphttp_protocol_select="http_protocol"

  2817. ftp_protocol_select="tcp_protocol"

  2818. gopher_protocol_select="network"

  2819. http_protocol_select="tcp_protocol"

  2820. httpproxy_protocol_select="tcp_protocol"

  2821. https_protocol_select="tls_protocol"

  2822. icecast_protocol_select="http_protocol"

  2823. librtmp_protocol_deps="librtmp"

  2824. librtmpe_protocol_deps="librtmp"

  2825. librtmps_protocol_deps="librtmp"

  2826. librtmpt_protocol_deps="librtmp"

  2827. librtmpte_protocol_deps="librtmp"

  2828. libsmbclient_protocol_deps="libsmbclient gplv3"

  2829. libssh_protocol_deps="libssh"

  2830. mmsh_protocol_select="http_protocol"

  2831. mmst_protocol_select="network"

  2832. rtmp_protocol_deps="!librtmp_protocol"

  2833. rtmp_protocol_select="tcp_protocol"

  2834. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2835. rtmps_protocol_deps="!librtmp_protocol"

  2836. rtmps_protocol_select="tls_protocol"

  2837. rtmpt_protocol_select="ffrtmphttp_protocol"

  2838. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2839. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2840. rtp_protocol_select="udp_protocol"

  2841. sctp_protocol_deps="struct_sctp_event_subscribe"

  2842. sctp_protocol_select="network"

  2843. srtp_protocol_select="rtp_protocol"

  2844. tcp_protocol_select="network"

  2845. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2846. tls_gnutls_protocol_select="tcp_protocol"

  2847. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2848. tls_openssl_protocol_select="tcp_protocol"

  2849. tls_schannel_protocol_deps="schannel"

  2850. tls_schannel_protocol_select="tcp_protocol"

  2851. tls_securetransport_protocol_deps="securetransport"

  2852. tls_securetransport_protocol_select="tcp_protocol"

  2853. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2854. udp_protocol_select="network"

  2855. udplite_protocol_select="network"

  2856. unix_protocol_deps="sys_un_h"

  2857. unix_protocol_select="network"

  2858. 

  2859. # filters

  2860. afftfilt_filter_deps="avcodec"

  2861. afftfilt_filter_select="fft"

  2862. amovie_filter_deps="avcodec avformat"

  2863. aresample_filter_deps="swresample"

  2864. ass_filter_deps="libass"

  2865. asyncts_filter_deps="avresample"

  2866. atempo_filter_deps="avcodec"

  2867. atempo_filter_select="rdft"

  2868. azmq_filter_deps="libzmq"

  2869. blackframe_filter_deps="gpl"

  2870. boxblur_filter_deps="gpl"

  2871. bs2b_filter_deps="libbs2b"

  2872. colormatrix_filter_deps="gpl"

  2873. cover_rect_filter_deps="avcodec avformat gpl"

  2874. cropdetect_filter_deps="gpl"

  2875. delogo_filter_deps="gpl"

  2876. deshake_filter_select="pixelutils"

  2877. drawtext_filter_deps="libfreetype"

  2878. ebur128_filter_deps="gpl"

  2879. eq_filter_deps="gpl"

  2880. fftfilt_filter_deps="avcodec"

  2881. fftfilt_filter_select="rdft"

  2882. find_rect_filter_deps="avcodec avformat gpl"

  2883. firequalizer_filter_deps="avcodec"

  2884. firequalizer_filter_select="rdft"

  2885. flite_filter_deps="libflite"

  2886. frei0r_filter_deps="frei0r dlopen"

  2887. frei0r_src_filter_deps="frei0r dlopen"

  2888. fspp_filter_deps="gpl"

  2889. geq_filter_deps="gpl"

  2890. histeq_filter_deps="gpl"

  2891. hqdn3d_filter_deps="gpl"

  2892. hwupload_cuda_filter_deps="cuda"

  2893. interlace_filter_deps="gpl"

  2894. kerndeint_filter_deps="gpl"

  2895. ladspa_filter_deps="ladspa dlopen"

  2896. mcdeint_filter_deps="avcodec gpl"

  2897. movie_filter_deps="avcodec avformat"

  2898. mpdecimate_filter_deps="gpl"

  2899. mpdecimate_filter_select="pixelutils"

  2900. mptestsrc_filter_deps="gpl"

  2901. negate_filter_deps="lut_filter"

  2902. nnedi_filter_deps="gpl"

  2903. ocr_filter_deps="libtesseract"

  2904. ocv_filter_deps="libopencv"

  2905. owdenoise_filter_deps="gpl"

  2906. pan_filter_deps="swresample"

  2907. perspective_filter_deps="gpl"

  2908. phase_filter_deps="gpl"

  2909. pp7_filter_deps="gpl"

  2910. pp_filter_deps="gpl postproc"

  2911. pullup_filter_deps="gpl"

  2912. removelogo_filter_deps="avcodec avformat swscale"

  2913. repeatfields_filter_deps="gpl"

  2914. resample_filter_deps="avresample"

  2915. rubberband_filter_deps="librubberband"

  2916. sab_filter_deps="gpl swscale"

  2917. scale2ref_filter_deps="swscale"

  2918. scale_filter_deps="swscale"

  2919. select_filter_select="pixelutils"

  2920. showcqt_filter_deps="avcodec avformat swscale"

  2921. showcqt_filter_select="fft"

  2922. showfreqs_filter_deps="avcodec"

  2923. showfreqs_filter_select="fft"

  2924. showspectrum_filter_deps="avcodec"

  2925. showspectrum_filter_select="fft"

  2926. showspectrumpic_filter_deps="avcodec"

  2927. showspectrumpic_filter_select="fft"

  2928. smartblur_filter_deps="gpl swscale"

  2929. sofalizer_filter_deps="netcdf avcodec"

  2930. sofalizer_filter_select="fft"

  2931. spectrumsynth_filter_deps="avcodec"

  2932. spectrumsynth_filter_select="fft"

  2933. spp_filter_deps="gpl avcodec"

  2934. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2935. stereo3d_filter_deps="gpl"

  2936. subtitles_filter_deps="avformat avcodec libass"

  2937. super2xsai_filter_deps="gpl"

  2938. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2939. tinterlace_filter_deps="gpl"

  2940. tinterlace_merge_test_deps="tinterlace_filter"

  2941. tinterlace_pad_test_deps="tinterlace_filter"

  2942. uspp_filter_deps="gpl avcodec"

  2943. vidstabdetect_filter_deps="libvidstab"

  2944. vidstabtransform_filter_deps="libvidstab"

  2945. zmq_filter_deps="libzmq"

  2946. zoompan_filter_deps="swscale"

  2947. zscale_filter_deps="libzimg"

  2948. 

  2949. # examples

  2950. avcodec_example_deps="avcodec avutil"

  2951. avio_dir_cmd="avformat avutil"

  2952. avio_reading="avformat avcodec avutil"

  2953. decoding_encoding_example_deps="avcodec avformat avutil"

  2954. demuxing_decoding_example_deps="avcodec avformat avutil"

  2955. extract_mvs_example_deps="avcodec avformat avutil"

  2956. filter_audio_example_deps="avfilter avutil"

  2957. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2958. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2959. metadata_example_deps="avformat avutil"

  2960. muxing_example_deps="avcodec avformat avutil swscale"

  2961. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2962. remuxing_example_deps="avcodec avformat avutil"

  2963. resampling_audio_example_deps="avutil swresample"

  2964. scaling_video_example_deps="avutil swscale"

  2965. transcode_aac_example_deps="avcodec avformat swresample"

  2966. transcoding_example_deps="avfilter avcodec avformat avutil"

  2967. 

  2968. # libraries, in linking order

  2969. avcodec_deps="avutil"

  2970. avdevice_deps="avformat avcodec avutil"

  2971. avfilter_deps="avutil"

  2972. avformat_deps="avcodec avutil"

  2973. avresample_deps="avutil"

  2974. postproc_deps="avutil gpl"

  2975. swresample_deps="avutil"

  2976. swscale_deps="avutil"

  2977. 

  2978. # programs

  2979. ffmpeg_deps="avcodec avfilter avformat swresample"

  2980. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2981.                null_filter

  2982.                setpts_filter trim_filter"

  2983. ffplay_deps="avcodec avformat swscale swresample sdl"

  2984. ffplay_libs='$sdl_libs'

  2985. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2986. ffprobe_deps="avcodec avformat"

  2987. ffserver_deps="avformat fork sarestart"

  2988. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2989. 

  2990. # documentation

  2991. podpages_deps="perl"

  2992. manpages_deps="perl pod2man"

  2993. htmlpages_deps="perl"

  2994. htmlpages_deps_any="makeinfo_html texi2html"

  2995. txtpages_deps="perl makeinfo"

  2996. doc_deps_any="manpages htmlpages podpages txtpages"

  2997. 

  2998. # default parameters

  2999. 

  3000. logfile="config.log"

  3001. 

  3002. # installation paths

  3003. prefix_default="/usr/local"

  3004. bindir_default='${prefix}/bin'

  3005. datadir_default='${prefix}/share/ffmpeg'

  3006. docdir_default='${prefix}/share/doc/ffmpeg'

  3007. incdir_default='${prefix}/include'

  3008. libdir_default='${prefix}/lib'

  3009. mandir_default='${prefix}/share/man'

  3010. 

  3011. # toolchain

  3012. ar_default="ar"

  3013. cc_default="gcc"

  3014. cxx_default="g++"

  3015. host_cc_default="gcc"

  3016. cp_f="cp -f"

  3017. doxygen_default="doxygen"

  3018. install="install"

  3019. ln_s="ln -s -f"

  3020. nm_default="nm -g"

  3021. objformat="elf"

  3022. pkg_config_default=pkg-config

  3023. ranlib_default="ranlib"

  3024. strip_default="strip"

  3025. yasmexe_default="yasm"

  3026. windres_default="windres"

  3027. 

  3028. # OS

  3029. target_os_default=$(tolower $(uname -s))

  3030. host_os=$target_os_default

  3031. 

  3032. # machine

  3033. if test "$target_os_default" = aix; then

  3034.     arch_default=$(uname -p)

  3035.     strip_default="strip -X32_64"

  3036. else

  3037.     arch_default=$(uname -m)

  3038. fi

  3039. cpu="generic"

  3040. intrinsics="none"

  3041. 

  3042. # configurable options

  3043. enable $PROGRAM_LIST

  3044. enable $DOCUMENT_LIST

  3045. enable $EXAMPLE_LIST

  3046. enable $(filter_out avresample $LIBRARY_LIST)

  3047. enable stripping

  3048. 

  3049. enable asm

  3050. enable debug

  3051. enable doc

  3052. enable faan faandct faanidct

  3053. enable optimizations

  3054. enable runtime_cpudetect

  3055. enable safe_bitstream_reader

  3056. enable static

  3057. enable swscale_alpha

  3058. enable valgrind_backtrace

  3059. 

  3060. sws_max_filter_size_default=256

  3061. set_default sws_max_filter_size

  3062. 

  3063. # Enable hwaccels by default.

  3064. enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc

  3065. enable xlib

  3066. 

  3067. enable vda_framework videotoolbox videotoolbox_encoder

  3068. 

  3069. # build settings

  3070. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3071. LIBPREF="lib"

  3072. LIBSUF=".a"

  3073. FULLNAME='$(NAME)$(BUILDSUF)'

  3074. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3075. SLIBPREF="lib"

  3076. SLIBSUF=".so"

  3077. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3078. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3079. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3080. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3081. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3082. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3083. 

  3084. asflags_filter=echo

  3085. cflags_filter=echo

  3086. ldflags_filter=echo

  3087. 

  3088. AS_C='-c'

  3089. AS_O='-o $@'

  3090. CC_C='-c'

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

  3092. CC_O='-o $@'

  3093. CXX_C='-c'

  3094. CXX_O='-o $@'

  3095. OBJCC_C='-c'

  3096. OBJCC_E='-E -o $@'

  3097. OBJCC_O='-o $@'

  3098. LD_O='-o $@'

  3099. LD_LIB='-l%'

  3100. LD_PATH='-L'

  3101. HOSTCC_C='-c'

  3102. HOSTCC_E='-E -o $@'

  3103. HOSTCC_O='-o $@'

  3104. HOSTLD_O='-o $@'

  3105. 

  3106. host_libs='-lm'

  3107. host_cflags_filter=echo

  3108. host_ldflags_filter=echo

  3109. 

  3110. target_path='$(CURDIR)'

  3111. 

  3112. # since the object filename is not given with the -MM flag, the compiler

  3113. # is only able to print the basename, and we must add the path ourselves

  3114. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3115. DEPFLAGS='-MM'

  3116. 

  3117. # find source path

  3118. if test -f configure; then

  3119.     source_path=.

  3120. else

  3121.     source_path=$(cd $(dirname "$0"); pwd)

  3122.     case "$source_path" in

  3123.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3124.     esac

  3125.     test -e "$source_path/config.h" &&

  3126.         die "Out of tree builds are impossible with config.h in source dir."

  3127. fi

  3128. 

  3129. for v in "$@"; do

  3130.     r=${v#*=}

  3131.     l=${v%"$r"}

  3132.     r=$(sh_quote "$r")

  3133.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3134. done

  3135. 

  3136. find_things(){

  3137.     thing=$1

  3138.     pattern=$2

  3139.     file=$source_path/$3

  3140.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3141. }

  3142. 

  3143. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3144. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3145. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3146. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3147. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3148. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3149. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3150. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3151. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3152. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3153. 

  3154. find_things_extern(){

  3155.     thing=$1

  3156.     pattern=$2

  3157.     file=$source_path/$3

  3158.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"

  3159. }

  3160. 

  3161. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3162. 

  3163. ALL_COMPONENTS="

  3164.     $BSF_LIST

  3165.     $DECODER_LIST

  3166.     $DEMUXER_LIST

  3167.     $ENCODER_LIST

  3168.     $FILTER_LIST

  3169.     $HWACCEL_LIST

  3170.     $INDEV_LIST

  3171.     $MUXER_LIST

  3172.     $OUTDEV_LIST

  3173.     $PARSER_LIST

  3174.     $PROTOCOL_LIST

  3175. "

  3176. 

  3177. for n in $COMPONENT_LIST; do

  3178.     v=$(toupper ${n%s})_LIST

  3179.     eval enable \$$v

  3180.     eval ${n}_if_any="\$$v"

  3181. done

  3182. 

  3183. enable $ARCH_EXT_LIST

  3184. 

  3185. die_unknown(){

  3186.     echo "Unknown option \"$1\"."

  3187.     echo "See $0 --help for available options."

  3188.     exit 1

  3189. }

  3190. 

  3191. print_in_columns() {

  3192.     cols=$(expr $ncols / 24)

  3193.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3194. }

  3195. 

  3196. show_list() {

  3197.     suffix=_$1

  3198.     shift

  3199.     echo $* | sed s/$suffix//g | print_in_columns

  3200.     exit 0

  3201. }

  3202. 

  3203. rand_list(){

  3204.     IFS=', '

  3205.     set -- $*

  3206.     unset IFS

  3207.     for thing; do

  3208.         comp=${thing%:*}

  3209.         prob=${thing#$comp}

  3210.         prob=${prob#:}

  3211.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3212.         echo "prob ${prob:-0.5}"

  3213.         printf '%s\n' $comp

  3214.     done

  3215. }

  3216. 

  3217. do_random(){

  3218.     action=$1

  3219.     shift

  3220.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3221.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3222. }

  3223. 

  3224. for opt do

  3225.     optval="${opt#*=}"

  3226.     case "$opt" in

  3227.         --extra-ldflags=*)

  3228.             add_ldflags $optval

  3229.         ;;

  3230.         --extra-ldexeflags=*)

  3231.             add_ldexeflags $optval

  3232.         ;;

  3233.         --extra-ldlibflags=*)

  3234.             add_ldlibflags $optval

  3235.         ;;

  3236.         --extra-libs=*)

  3237.             add_extralibs $optval

  3238.         ;;

  3239.         --disable-devices)

  3240.             disable $INDEV_LIST $OUTDEV_LIST

  3241.         ;;

  3242.         --enable-debug=*)

  3243.             debuglevel="$optval"

  3244.         ;;

  3245.         --disable-programs)

  3246.             disable $PROGRAM_LIST

  3247.         ;;

  3248.         --disable-everything)

  3249.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3250.         ;;

  3251.         --disable-all)

  3252.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3253.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3254.             enable avutil

  3255.         ;;

  3256.         --enable-random|--disable-random)

  3257.             action=${opt%%-random}

  3258.             do_random ${action#--} $COMPONENT_LIST

  3259.         ;;

  3260.         --enable-random=*|--disable-random=*)

  3261.             action=${opt%%-random=*}

  3262.             do_random ${action#--} $optval

  3263.         ;;

  3264.         --enable-*=*|--disable-*=*)

  3265.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3266.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3267.             eval list=\$$(toupper $thing)_LIST

  3268.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3269.             list=$(filter "$name" $list)

  3270.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3271.             $action $list

  3272.         ;;

  3273.         --enable-?*|--disable-?*)

  3274.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3275.             if is_in $option $COMPONENT_LIST; then

  3276.                 test $action = disable && action=unset

  3277.                 eval $action \$$(toupper ${option%s})_LIST

  3278.             elif is_in $option $CMDLINE_SELECT; then

  3279.                 $action $option

  3280.             else

  3281.                 die_unknown $opt

  3282.             fi

  3283.         ;;

  3284.         --list-*)

  3285.             NAME="${opt#--list-}"

  3286.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3287.             NAME=${NAME%s}

  3288.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3289.         ;;

  3290.         --help|-h) show_help

  3291.         ;;

  3292.         --fatal-warnings) enable fatal_warnings

  3293.         ;;

  3294.         *)

  3295.             optname="${opt%%=*}"

  3296.             optname="${optname#--}"

  3297.             optname=$(echo "$optname" | sed 's/-/_/g')

  3298.             if is_in $optname $CMDLINE_SET; then

  3299.                 eval $optname='$optval'

  3300.             elif is_in $optname $CMDLINE_APPEND; then

  3301.                 append $optname "$optval"

  3302.             else

  3303.                 die_unknown $opt

  3304.             fi

  3305.         ;;

  3306.     esac

  3307. done

  3308. 

  3309. for e in $env; do

  3310.     eval "export $e"

  3311. done

  3312. 

  3313. disabled logging && logfile=/dev/null

  3314. 

  3315. # Disable all the library-specific components if the library itself

  3316. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3317. 

  3318. disable_components(){

  3319.     disabled ${1} && disable $(

  3320.         eval components="\$$(toupper ${1})_COMPONENTS"

  3321.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3322.     )

  3323. }

  3324. 

  3325. map 'disable_components $v' $LIBRARY_LIST

  3326. 

  3327. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3328. set >> $logfile

  3329. 

  3330. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3331. 

  3332. case "$toolchain" in

  3333.     *-asan)

  3334.         cc_default="${toolchain%-asan}"

  3335.         add_cflags  -fsanitize=address

  3336.         add_ldflags -fsanitize=address

  3337.     ;;

  3338.     *-tsan)

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

  3340.         add_cflags  -fsanitize=thread -pie

  3341.         add_ldflags -fsanitize=thread -pie

  3342.         case "$toolchain" in

  3343.             gcc-tsan)

  3344.                 add_cflags  -fPIC

  3345.                 add_ldflags -fPIC

  3346.                 ;;

  3347.         esac

  3348.     ;;

  3349.     *-usan)

  3350.         cc_default="${toolchain%-usan}"

  3351.         add_cflags  -fsanitize=undefined

  3352.         add_ldflags -fsanitize=undefined

  3353.     ;;

  3354.     valgrind-*)

  3355.         target_exec_default="valgrind"

  3356.         case "$toolchain" in

  3357.             valgrind-massif)

  3358.                 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"

  3359.                 ;;

  3360.             valgrind-memcheck)

  3361.                 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"

  3362.                 ;;

  3363.         esac

  3364.     ;;

  3365.     msvc)

  3366.         # Check whether the current MSVC version needs the C99 converter.

  3367.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3368.         # support enough of C99 to build ffmpeg. Default to the new

  3369.         # behaviour if the regexp was unable to match anything, since this

  3370.         # successfully parses the version number of existing supported

  3371.         # versions that require the converter (MSVC 2010 and 2012).

  3372.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3373.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3374.             cc_default="cl"

  3375.         else

  3376.             cc_default="c99wrap cl"

  3377.         fi

  3378.         ld_default="$source_path/compat/windows/mslink"

  3379.         nm_default="dumpbin -symbols"

  3380.         ar_default="lib"

  3381.         case "$arch" in

  3382.         arm*)

  3383.             as_default="armasm"

  3384.             ;;

  3385.         esac

  3386.         target_os_default="win32"

  3387.         # Use a relative path for TMPDIR. This makes sure all the

  3388.         # ffconf temp files are written with a relative path, avoiding

  3389.         # issues with msys/win32 path conversion for MSVC parameters

  3390.         # such as -Fo<file> or -out:<file>.

  3391.         TMPDIR=.

  3392.     ;;

  3393.     icl)

  3394.         cc_default="icl"

  3395.         ld_default="xilink"

  3396.         nm_default="dumpbin -symbols"

  3397.         ar_default="xilib"

  3398.         target_os_default="win32"

  3399.         TMPDIR=.

  3400.     ;;

  3401.     gcov)

  3402.         add_cflags  -fprofile-arcs -ftest-coverage

  3403.         add_ldflags -fprofile-arcs -ftest-coverage

  3404.     ;;

  3405.     hardened)

  3406.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3407.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3408.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3409.     ;;

  3410.     ?*)

  3411.         die "Unknown toolchain $toolchain"

  3412.     ;;

  3413. esac

  3414. 

  3415. test -n "$cross_prefix" && enable cross_compile

  3416. 

  3417. if enabled cross_compile; then

  3418.     test -n "$arch" && test -n "$target_os" ||

  3419.         die "Must specify target arch and OS when cross-compiling"

  3420. fi

  3421. 

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

  3423. cc_default="${cross_prefix}${cc_default}"

  3424. cxx_default="${cross_prefix}${cxx_default}"

  3425. nm_default="${cross_prefix}${nm_default}"

  3426. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3427. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3428.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3429. else

  3430.     ranlib_default="${cross_prefix}${ranlib_default}"

  3431. fi

  3432. strip_default="${cross_prefix}${strip_default}"

  3433. windres_default="${cross_prefix}${windres_default}"

  3434. 

  3435. sysinclude_default="${sysroot}/usr/include"

  3436. 

  3437. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3438.     target_exec target_os yasmexe

  3439. enabled cross_compile || host_cc_default=$cc

  3440. set_default host_cc

  3441. 

  3442. pkg_config_fail_message=""

  3443. if ! $pkg_config --version >/dev/null 2>&1; then

  3444.     warn "$pkg_config not found, library detection may fail."

  3445.     pkg_config=false

  3446. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3447.     pkg_config_fail_message="

  3448. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3449. fi

  3450. 

  3451. if test $doxygen != $doxygen_default && \

  3452.   ! $doxygen --version >/dev/null 2>&1; then

  3453.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3454. fi

  3455. 

  3456. exesuf() {

  3457.     case $1 in

  3458.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3459.     esac

  3460. }

  3461. 

  3462. EXESUF=$(exesuf $target_os)

  3463. HOSTEXESUF=$(exesuf $host_os)

  3464. 

  3465. # set temporary file name

  3466. : ${TMPDIR:=$TEMPDIR}

  3467. : ${TMPDIR:=$TMP}

  3468. : ${TMPDIR:=/tmp}

  3469. 

  3470. if [ -n "$tempprefix" ] ; then

  3471.     mktemp(){

  3472.         echo $tempprefix.${HOSTNAME}.${UID}

  3473.     }

  3474. elif ! check_cmd mktemp -u XXXXXX; then

  3475.     # simple replacement for missing mktemp

  3476.     # NOT SAFE FOR GENERAL USE

  3477.     mktemp(){

  3478.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3479.     }

  3480. fi

  3481. 

  3482. tmpfile(){

  3483.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3484.         (set -C; exec > $tmp) 2>/dev/null ||

  3485.         die "Unable to create temporary file in $TMPDIR."

  3486.     append TMPFILES $tmp

  3487.     eval $1=$tmp

  3488. }

  3489. 

  3490. trap 'rm -f -- $TMPFILES' EXIT

  3491. 

  3492. tmpfile TMPASM .asm

  3493. tmpfile TMPC   .c

  3494. tmpfile TMPCPP .cpp

  3495. tmpfile TMPE   $EXESUF

  3496. tmpfile TMPH   .h

  3497. tmpfile TMPM   .m

  3498. tmpfile TMPO   .o

  3499. tmpfile TMPS   .S

  3500. tmpfile TMPSH  .sh

  3501. tmpfile TMPV   .ver

  3502. 

  3503. unset -f mktemp

  3504. 

  3505. chmod +x $TMPE

  3506. 

  3507. # make sure we can execute files in $TMPDIR

  3508. cat > $TMPSH 2>> $logfile <<EOF

  3509. #! /bin/sh

  3510. EOF

  3511. chmod +x $TMPSH >> $logfile 2>&1

  3512. if ! $TMPSH >> $logfile 2>&1; then

  3513.     cat <<EOF

  3514. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3515. variable to another directory and make sure that it is not mounted noexec.

  3516. EOF

  3517.     die "Sanity test failed."

  3518. fi

  3519. 

  3520. armasm_flags(){

  3521.     for flag; do

  3522.         case $flag in

  3523.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3524.             # be passed to gas-preprocessor

  3525.             -M[TD]*)                                            ;;

  3526.             *)                  echo $flag                      ;;

  3527.         esac

  3528.    done

  3529. }

  3530. 

  3531. ccc_flags(){

  3532.     for flag; do

  3533.         case $flag in

  3534.             -std=c99)           echo -c99                       ;;

  3535.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3536.             -mieee)             echo -ieee                      ;;

  3537.             -O*|-fast)          echo $flag                      ;;

  3538.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3539.             -g)                 echo -g3                        ;;

  3540.             -Wall)              echo -msg_enable level2         ;;

  3541.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3542.             -Wl,*)              echo $flag                      ;;

  3543.             -f*|-W*)                                            ;;

  3544.             *)                  echo $flag                      ;;

  3545.         esac

  3546.    done

  3547. }

  3548. 

  3549. cparser_flags(){

  3550.     for flag; do

  3551.         case $flag in

  3552.             -Wno-switch)             echo -Wno-switch-enum ;;

  3553.             -Wno-format-zero-length) ;;

  3554.             -Wdisabled-optimization) ;;

  3555.             -Wno-pointer-sign)       echo -Wno-other ;;

  3556.             *)                       echo $flag ;;

  3557.         esac

  3558.     done

  3559. }

  3560. 

  3561. msvc_common_flags(){

  3562.     for flag; do

  3563.         case $flag in

  3564.             # In addition to specifying certain flags under the compiler

  3565.             # specific filters, they must be specified here as well or else the

  3566.             # generic catch all at the bottom will print the original flag.

  3567.             -Wall)                ;;

  3568.             -std=c99)             ;;

  3569.             # Common flags

  3570.             -fomit-frame-pointer) ;;

  3571.             -g)                   echo -Z7 ;;

  3572.             -fno-math-errno)      ;;

  3573.             -fno-common)          ;;

  3574.             -fno-signed-zeros)    ;;

  3575.             -fPIC)                ;;

  3576.             -mthumb)              ;;

  3577.             -march=*)             ;;

  3578.             -lz)                  echo zlib.lib ;;

  3579.             -lavifil32)           echo vfw32.lib ;;

  3580.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3581.             -lx264)               echo libx264.lib ;;

  3582.             -l*)                  echo ${flag#-l}.lib ;;

  3583.             -LARGEADDRESSAWARE)   echo $flag ;;

  3584.             -L*)                  echo -libpath:${flag#-L} ;;

  3585.             *)                    echo $flag ;;

  3586.         esac

  3587.     done

  3588. }

  3589. 

  3590. msvc_flags(){

  3591.     msvc_common_flags "$@"

  3592.     for flag; do

  3593.         case $flag in

  3594.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3595.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3596.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3597.                                        -wd4307 \

  3598.                                        -wd4273 -wd4554 -wd4701 ;;

  3599.         esac

  3600.     done

  3601. }

  3602. 

  3603. icl_flags(){

  3604.     msvc_common_flags "$@"

  3605.     for flag; do

  3606.         case $flag in

  3607.             # Despite what Intel's documentation says -Wall, which is supported

  3608.             # on Windows, does enable remarks so disable them here.

  3609.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3610.             -std=c99)             echo -Qstd=c99 ;;

  3611.             -flto)                echo -ipo ;;

  3612.         esac

  3613.     done

  3614. }

  3615. 

  3616. icc_flags(){

  3617.     for flag; do

  3618.         case $flag in

  3619.             -flto)                echo -ipo ;;

  3620.             *)                    echo $flag ;;

  3621.         esac

  3622.     done

  3623. }

  3624. 

  3625. pgi_flags(){

  3626.     for flag; do

  3627.         case $flag in

  3628.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3629.             -fomit-frame-pointer) echo -Mnoframe ;;

  3630.             -g)                   echo -gopt ;;

  3631.             *)                    echo $flag ;;

  3632.         esac

  3633.     done

  3634. }

  3635. 

  3636. suncc_flags(){

  3637.     for flag; do

  3638.         case $flag in

  3639.             -march=*|-mcpu=*)

  3640.                 case "${flag#*=}" in

  3641.                     native)                   echo -xtarget=native       ;;

  3642.                     v9|niagara)               echo -xarch=sparc          ;;

  3643.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3644.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3645.                     i586|pentium)             echo -xchip=pentium        ;;

  3646.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3647.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3648.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3649.                     pentium4*)          echo -xtarget=pentium4           ;;

  3650.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3651.                     *-sse3)             echo -xarch=sse3                 ;;

  3652.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3653.                     bonnell)                   echo -xarch=ssse3         ;;

  3654.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3655.                     westmere)                  echo -xtarget=westmere    ;;

  3656.                     silvermont)                echo -xarch=sse4_2        ;;

  3657.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3658.                     core-avx*|ivybridge|haswell|broadwell)

  3659.                                                echo -xarch=avx           ;;

  3660.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3661.                     btver1)                    echo -xarch=amdsse4a      ;;

  3662.                     btver2|bdver*)             echo -xarch=avx           ;;

  3663.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3664.                     k8|opteron|athlon64|athlon-fx)

  3665.                                                echo -xarch=sse2a         ;;

  3666.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3667.                 esac

  3668.                 ;;

  3669.             -std=c99)             echo -xc99              ;;

  3670.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3671.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3672.             -W*,*)                echo $flag              ;;

  3673.             -f*-*|-W*|-mimpure-text)                      ;;

  3674.             -shared)              echo -G                 ;;

  3675.             *)                    echo $flag              ;;

  3676.         esac

  3677.     done

  3678. }

  3679. 

  3680. tms470_flags(){

  3681.     for flag; do

  3682.         case $flag in

  3683.             -march=*|-mcpu=*)

  3684.                 case "${flag#*=}" in

  3685.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3686.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3687.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3688.                     armv6*|arm11*)          echo -mv=6   ;;

  3689.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3690.                                             echo -mv=5e  ;;

  3691.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3692.                 esac

  3693.                 ;;

  3694.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3695.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3696.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3697.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3698.             -msoft-float)   echo --float_support=vfplib       ;;

  3699.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3700.             -g)             echo -g -mn                       ;;

  3701.             -pds=*)         echo $flag                        ;;

  3702.             -D*|-I*)        echo $flag                        ;;

  3703.             --gcc|--abi=*)  echo $flag                        ;;

  3704.             -me)            echo $flag                        ;;

  3705.         esac

  3706.     done

  3707. }

  3708. 

  3709. probe_cc(){

  3710.     pfx=$1

  3711.     _cc=$2

  3712.     first=$3

  3713. 

  3714.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3715.     unset _ld_o _ldflags _ld_lib _ld_path

  3716.     unset _depflags _DEPCMD _DEPFLAGS

  3717.     _flags_filter=echo

  3718. 

  3719.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3720.         true # no-op to avoid reading stdin in following checks

  3721.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3722.         _type=llvm_gcc

  3723.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3724.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3725.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3726.         _cflags_speed='-O3'

  3727.         _cflags_size='-Os'

  3728.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3729.         _type=gcc

  3730.         gcc_version=$($_cc --version | head -n1)

  3731.         gcc_basever=$($_cc -dumpversion)

  3732.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3733.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3734.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3735.         case $gcc_basever in

  3736.             2) ;;

  3737.             2.*) ;;

  3738.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3739.         esac

  3740.         if [ "$first" = true ]; then

  3741.             case $gcc_basever in

  3742.                 4.2*)

  3743.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3744.             esac

  3745.         fi

  3746.         _cflags_speed='-O3'

  3747.         _cflags_size='-Os'

  3748.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3749.         _type=icc

  3750.         _ident=$($_cc --version | head -n1)

  3751.         _depflags='-MMD'

  3752.         _cflags_speed='-O3'

  3753.         _cflags_size='-Os'

  3754.         _cflags_noopt='-O1'

  3755.         _flags_filter=icc_flags

  3756.     elif $_cc -v 2>&1 | grep -q xlc; then

  3757.         _type=xlc

  3758.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3759.         _cflags_speed='-O5'

  3760.         _cflags_size='-O5 -qcompact'

  3761.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3762.         _type=ccc

  3763.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3764.         _DEPFLAGS='-M'

  3765.         _cflags_speed='-fast'

  3766.         _cflags_size='-O1'

  3767.         _flags_filter=ccc_flags

  3768.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3769.         test -d "$sysroot" || die "No valid sysroot specified."

  3770.         _type=armcc

  3771.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3772.         armcc_conf="$PWD/armcc.conf"

  3773.         $_cc --arm_linux_configure                 \

  3774.              --arm_linux_config_file="$armcc_conf" \

  3775.              --configure_sysroot="$sysroot"        \

  3776.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3777.              die "Error creating armcc configuration file."

  3778.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3779.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3780.         as_default="${cross_prefix}gcc"

  3781.         _depflags='-MMD'

  3782.         _cflags_speed='-O3'

  3783.         _cflags_size='-Os'

  3784.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3785.         _type=tms470

  3786.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3787.         _flags='--gcc --abi=eabi -me'

  3788.         _cc_e='-ppl -fe=$@'

  3789.         _cc_o='-fe=$@'

  3790.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3791.         _cflags_speed='-O3 -mf=5'

  3792.         _cflags_size='-O3 -mf=2'

  3793.         _flags_filter=tms470_flags

  3794.     elif $_cc -v 2>&1 | grep -q clang; then

  3795.         _type=clang

  3796.         _ident=$($_cc --version 2>/dev/null | head -n1)

  3797.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3798.         _cflags_speed='-O3'

  3799.         _cflags_size='-Os'

  3800.     elif $_cc -V 2>&1 | grep -q Sun; then

  3801.         _type=suncc

  3802.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3803.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3804.         _DEPFLAGS='-xM1 -xc99'

  3805.         _ldflags='-std=c99'

  3806.         _cflags_speed='-O5'

  3807.         _cflags_size='-O5 -xspace'

  3808.         _flags_filter=suncc_flags

  3809.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3810.         _type=pathscale

  3811.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3812.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3813.         _cflags_speed='-O2'

  3814.         _cflags_size='-Os'

  3815.         _flags_filter='filter_out -Wdisabled-optimization'

  3816.     elif $_cc -v 2>&1 | grep -q Open64; then

  3817.         _type=open64

  3818.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3819.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3820.         _cflags_speed='-O2'

  3821.         _cflags_size='-Os'

  3822.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3823.     elif $_cc -V 2>&1 | grep -q Portland; then

  3824.         _type=pgi

  3825.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3826.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3827.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3828.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3829.         _cflags_noopt="-O"

  3830.         _flags_filter=pgi_flags

  3831.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3832.         _type=armasm

  3833.         _ident=$($_cc | head -n1)

  3834.         # 4509: "This form of conditional instruction is deprecated"

  3835.         _flags="-nologo -ignore 4509"

  3836.         _flags_filter=armasm_flags

  3837.     elif $_cc 2>&1 | grep -q Intel; then

  3838.         _type=icl

  3839.         _ident=$($_cc 2>&1 | head -n1)

  3840.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3841.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3842.         # versions (tested) as well.

  3843.         _cflags_speed="-O2"

  3844.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3845.         if $_cc 2>&1 | grep -q Linker; then

  3846.             _ld_o='-out:$@'

  3847.         else

  3848.             _ld_o='-Fe$@'

  3849.         fi

  3850.         _cc_o='-Fo$@'

  3851.         _cc_e='-P'

  3852.         _flags_filter=icl_flags

  3853.         _ld_lib='lib%.a'

  3854.         _ld_path='-libpath:'

  3855.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3856.         _flags='-nologo -Qdiag-error:4044,10157'

  3857.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3858.         # with MSVC which enables it by default.

  3859.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3860.         disable stripping

  3861.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3862.         _type=msvc

  3863.         _ident=$($_cc 2>&1 | head -n1)

  3864.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3865.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3866.         _cflags_speed="-O2"

  3867.         _cflags_size="-O1"

  3868.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3869.             _ld_o='-out:$@'

  3870.         else

  3871.             _ld_o='-Fe$@'

  3872.         fi

  3873.         _cc_o='-Fo$@'

  3874.         _cc_e='-P -Fi$@'

  3875.         _flags_filter=msvc_flags

  3876.         _ld_lib='lib%.a'

  3877.         _ld_path='-libpath:'

  3878.         _flags='-nologo'

  3879.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3880.         disable stripping

  3881.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3882.         _type=cparser

  3883.         _ident=$($_cc --version | head -n1)

  3884.         _depflags='-MMD'

  3885.         _cflags_speed='-O4'

  3886.         _cflags_size='-O2'

  3887.         _flags_filter=cparser_flags

  3888.     fi

  3889. 

  3890.     eval ${pfx}_type=\$_type

  3891.     eval ${pfx}_ident=\$_ident

  3892. }

  3893. 

  3894. set_ccvars(){

  3895.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3896.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3897.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3898. 

  3899.     if [ -n "$_depflags" ]; then

  3900.         eval ${1}_DEPFLAGS=\$_depflags

  3901.     else

  3902.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3903.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3904.         eval DEP${1}FLAGS=\$_flags

  3905.     fi

  3906. }

  3907. 

  3908. probe_cc cc "$cc" "true"

  3909. cflags_filter=$_flags_filter

  3910. cflags_speed=$_cflags_speed

  3911. cflags_size=$_cflags_size

  3912. cflags_noopt=$_cflags_noopt

  3913. add_cflags $_flags $_cflags

  3914. cc_ldflags=$_ldflags

  3915. set_ccvars CC

  3916. 

  3917. probe_cc hostcc "$host_cc"

  3918. host_cflags_filter=$_flags_filter

  3919. add_host_cflags  $_flags $_cflags

  3920. set_ccvars HOSTCC

  3921. 

  3922. test -n "$cc_type" && enable $cc_type ||

  3923.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3924. 

  3925. : ${as_default:=$cc}

  3926. : ${objcc_default:=$cc}

  3927. : ${dep_cc_default:=$cc}

  3928. : ${ld_default:=$cc}

  3929. : ${host_ld_default:=$host_cc}

  3930. set_default ar as objcc dep_cc ld host_ld windres

  3931. 

  3932. probe_cc as "$as"

  3933. asflags_filter=$_flags_filter

  3934. add_asflags $_flags $_cflags

  3935. set_ccvars AS

  3936. 

  3937. probe_cc objcc "$objcc"

  3938. objcflags_filter=$_flags_filter

  3939. add_objcflags $_flags $_cflags

  3940. set_ccvars OBJC

  3941. 

  3942. probe_cc ld "$ld"

  3943. ldflags_filter=$_flags_filter

  3944. add_ldflags $_flags $_ldflags

  3945. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3946. LD_O=${_ld_o-$LD_O}

  3947. LD_LIB=${_ld_lib-$LD_LIB}

  3948. LD_PATH=${_ld_path-$LD_PATH}

  3949. 

  3950. probe_cc hostld "$host_ld"

  3951. host_ldflags_filter=$_flags_filter

  3952. add_host_ldflags $_flags $_ldflags

  3953. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3954. 

  3955. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3956.     probe_cc depcc "$dep_cc"

  3957.     CCDEP=${_DEPCMD:-$DEPCMD}

  3958.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3959.     DEPCCFLAGS=$_flags

  3960. fi

  3961. 

  3962. if $ar 2>&1 | grep -q Microsoft; then

  3963.     arflags="-nologo"

  3964.     ar_o='-out:$@'

  3965. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3966.     arflags="rq"

  3967.     ar_o='$@'

  3968. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3969.     arflags='-Xany -r -c'

  3970.     ar_o='$@'

  3971. elif $ar 2>&1 | grep -q "\[D\] "; then

  3972.     arflags="rcD"

  3973.     ar_o='$@'

  3974. else

  3975.     arflags="rc"

  3976.     ar_o='$@'

  3977. fi

  3978. 

  3979. add_cflags $extra_cflags

  3980. add_cxxflags $extra_cxxflags

  3981. add_objcflags $extra_objcflags

  3982. add_asflags $extra_cflags

  3983. 

  3984. if test -n "$sysroot"; then

  3985.     case "$cc_type" in

  3986.         gcc|llvm_gcc|clang)

  3987.             add_cppflags --sysroot="$sysroot"

  3988.             add_ldflags --sysroot="$sysroot"

  3989. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3990.             add_cppflags -isysroot "$sysroot"

  3991.             add_ldflags -isysroot "$sysroot"

  3992.         ;;

  3993.         tms470)

  3994.             add_cppflags -I"$sysinclude"

  3995.             add_ldflags  --sysroot="$sysroot"

  3996.         ;;

  3997.     esac

  3998. fi

  3999. 

  4000. if test "$cpu" = host; then

  4001.     enabled cross_compile &&

  4002.         die "--cpu=host makes no sense when cross-compiling."

  4003. 

  4004.     case "$cc_type" in

  4005.         gcc|llvm_gcc)

  4006.             check_native(){

  4007.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4008.                 sed -n "/cc1.*$1=/{

  4009.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4010.                             p

  4011.                             q

  4012.                         }" $TMPE

  4013.             }

  4014.             cpu=$(check_native -march || check_native -mcpu)

  4015.         ;;

  4016.         clang)

  4017.             check_native(){

  4018.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4019.                 sed -n "/cc1.*-target-cpu /{

  4020.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4021.                             p

  4022.                             q

  4023.                         }" $TMPE

  4024.             }

  4025.             cpu=$(check_native -march)

  4026.         ;;

  4027.     esac

  4028. 

  4029.     test "${cpu:-host}" = host &&

  4030.         die "--cpu=host not supported with compiler $cc"

  4031. fi

  4032. 

  4033. # Deal with common $arch aliases

  4034. case "$arch" in

  4035.     aarch64|arm64)

  4036.         arch="aarch64"

  4037.     ;;

  4038.     arm*|iPad*|iPhone*)

  4039.         arch="arm"

  4040.     ;;

  4041.     mips*|IP*)

  4042.         case "$arch" in

  4043.         *el)

  4044.             add_cppflags -EL

  4045.             add_ldflags -EL

  4046.         ;;

  4047.         *eb)

  4048.             add_cppflags -EB

  4049.             add_ldflags -EB

  4050.         ;;

  4051.         esac

  4052.         arch="mips"

  4053.     ;;

  4054.     parisc*|hppa*)

  4055.         arch="parisc"

  4056.     ;;

  4057.     "Power Macintosh"|ppc*|powerpc*)

  4058.         arch="ppc"

  4059.     ;;

  4060.     s390|s390x)

  4061.         arch="s390"

  4062.     ;;

  4063.     sh4|sh)

  4064.         arch="sh4"

  4065.     ;;

  4066.     sun4u|sparc*)

  4067.         arch="sparc"

  4068.     ;;

  4069.     tilegx|tile-gx)

  4070.         arch="tilegx"

  4071.     ;;

  4072.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4073.         arch="x86"

  4074.     ;;

  4075. esac

  4076. 

  4077. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4078. enable $arch

  4079. 

  4080. # Add processor-specific flags

  4081. if enabled aarch64; then

  4082. 

  4083.     case $cpu in

  4084.         armv*)

  4085.             cpuflags="-march=$cpu"

  4086.         ;;

  4087.         *)

  4088.             cpuflags="-mcpu=$cpu"

  4089.         ;;

  4090.     esac

  4091. 

  4092. elif enabled alpha; then

  4093. 

  4094.     cpuflags="-mcpu=$cpu"

  4095. 

  4096. elif enabled arm; then

  4097. 

  4098.     check_arm_arch() {

  4099.         check_cpp_condition stddef.h \

  4100.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4101.             $cpuflags

  4102.     }

  4103. 

  4104.     probe_arm_arch() {

  4105.         if   check_arm_arch 4;        then echo armv4;

  4106.         elif check_arm_arch 4T;       then echo armv4t;

  4107.         elif check_arm_arch 5;        then echo armv5;

  4108.         elif check_arm_arch 5E;       then echo armv5e;

  4109.         elif check_arm_arch 5T;       then echo armv5t;

  4110.         elif check_arm_arch 5TE;      then echo armv5te;

  4111.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4112.         elif check_arm_arch 6;        then echo armv6;

  4113.         elif check_arm_arch 6J;       then echo armv6j;

  4114.         elif check_arm_arch 6K;       then echo armv6k;

  4115.         elif check_arm_arch 6Z;       then echo armv6z;

  4116.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4117.         elif check_arm_arch 6T2;      then echo armv6t2;

  4118.         elif check_arm_arch 7;        then echo armv7;

  4119.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4120.         elif check_arm_arch 7S;       then echo armv7-a;

  4121.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4122.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4123.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4124.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4125.         fi

  4126.     }

  4127. 

  4128.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4129. 

  4130.     case $cpu in

  4131.         armv*)

  4132.             cpuflags="-march=$cpu"

  4133.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4134.         ;;

  4135.         *)

  4136.             cpuflags="-mcpu=$cpu"

  4137.             case $cpu in

  4138.                 cortex-a*)                               subarch=armv7a  ;;

  4139.                 cortex-r*)                               subarch=armv7r  ;;

  4140.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4141.                 arm11*)                                  subarch=armv6   ;;

  4142.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4143.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4144.                 *)                             subarch=$(probe_arm_arch) ;;

  4145.             esac

  4146.         ;;

  4147.     esac

  4148. 

  4149.     case "$subarch" in

  4150.         armv5t*)    enable fast_clz                ;;

  4151.         armv[6-8]*)

  4152.             enable fast_clz

  4153.             disabled fast_unaligned || enable fast_unaligned

  4154.             ;;

  4155.     esac

  4156. 

  4157. elif enabled avr32; then

  4158. 

  4159.     case $cpu in

  4160.         ap7[02]0[0-2])

  4161.             subarch="avr32_ap"

  4162.             cpuflags="-mpart=$cpu"

  4163.         ;;

  4164.         ap)

  4165.             subarch="avr32_ap"

  4166.             cpuflags="-march=$cpu"

  4167.         ;;

  4168.         uc3[ab]*)

  4169.             subarch="avr32_uc"

  4170.             cpuflags="-mcpu=$cpu"

  4171.         ;;

  4172.         uc)

  4173.             subarch="avr32_uc"

  4174.             cpuflags="-march=$cpu"

  4175.         ;;

  4176.     esac

  4177. 

  4178. elif enabled bfin; then

  4179. 

  4180.     cpuflags="-mcpu=$cpu"

  4181. 

  4182. elif enabled mips; then

  4183. 

  4184.     cpuflags="-march=$cpu"

  4185. 

  4186.     case $cpu in

  4187.         24kc)

  4188.             disable mips32r6

  4189.             disable mips64r2

  4190.             disable mips64r6

  4191.             disable mipsfpu

  4192.             disable mipsdsp

  4193.             disable mipsdspr2

  4194.             disable msa

  4195.         ;;

  4196.         24kf*)

  4197.             disable mips32r6

  4198.             disable mips64r2

  4199.             disable mips64r6

  4200.             disable mipsdsp

  4201.             disable mipsdspr2

  4202.             disable msa

  4203.         ;;

  4204.         24kec|34kc|1004kc)

  4205.             disable mips32r6

  4206.             disable mips64r2

  4207.             disable mips64r6

  4208.             disable mipsfpu

  4209.             disable mipsdspr2

  4210.             disable msa

  4211.         ;;

  4212.         24kef*|34kf*|1004kf*)

  4213.             disable mips32r6

  4214.             disable mips64r2

  4215.             disable mips64r6

  4216.             disable mipsdspr2

  4217.             disable msa

  4218.         ;;

  4219.         74kc)

  4220.             disable mips32r6

  4221.             disable mips64r2

  4222.             disable mips64r6

  4223.             disable mipsfpu

  4224.             disable msa

  4225.         ;;

  4226.         74kf)

  4227.             disable mips32r6

  4228.             disable mips64r2

  4229.             disable mips64r6

  4230.             disable msa

  4231.         ;;

  4232.         p5600)

  4233.             disable mips32r6

  4234.             disable mips64r2

  4235.             disable mips64r6

  4236.             disable mipsdsp

  4237.             disable mipsdspr2

  4238.             check_cflags "-mtune=p5600" &&

  4239.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4240.             add_asflags "-mfp64"

  4241.         ;;

  4242.         i6400)

  4243.             disable mips32r2

  4244.             disable mips32r6

  4245.             disable mips64r2

  4246.             disable mipsdsp

  4247.             disable mipsdspr2

  4248.             check_cflags "-mtune=i6400 -mabi=64" &&

  4249.             check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&

  4250.             check_ldflags "-mabi=64" &&

  4251.             add_asflags "-mfp64"

  4252.         ;;

  4253.         loongson*)

  4254.             disable mips32r2

  4255.             disable mips32r6

  4256.             disable mips64r2

  4257.             disable mips64r6

  4258.             disable mipsfpu

  4259.             disable mipsdsp

  4260.             disable mipsdspr2

  4261.             disable msa

  4262.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4263.             enable simd_align_16

  4264.             enable fast_64bit

  4265.             enable fast_clz

  4266.             enable fast_cmov

  4267.             enable fast_unaligned

  4268.             disable aligned_stack

  4269.             case $cpu in

  4270.                 loongson3*)

  4271.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4272.                 ;;

  4273.                 loongson2e)

  4274.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4275.                 ;;

  4276.                 loongson2f)

  4277.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4278.                 ;;

  4279.             esac

  4280.         ;;

  4281.         generic)

  4282.             # We do not disable anything. Is up to the user to disable

  4283.             # the unwanted features.

  4284.         ;;

  4285.         *)

  4286.             # Unknown CPU. Disable everything.

  4287.             warn "unknown CPU. Disabling all MIPS optimizations."

  4288.             disable mipsfpu

  4289.             disable mips32r2

  4290.             disable mips32r6

  4291.             disable mips64r2

  4292.             disable mips64r6

  4293.             disable mipsdsp

  4294.             disable mipsdspr2

  4295.             disable msa

  4296.         ;;

  4297.     esac

  4298. 

  4299. elif enabled ppc; then

  4300. 

  4301.     disable ldbrx

  4302. 

  4303.     case $(tolower $cpu) in

  4304.         601|ppc601|powerpc601)

  4305.             cpuflags="-mcpu=601"

  4306.             disable altivec

  4307.         ;;

  4308.         603*|ppc603*|powerpc603*)

  4309.             cpuflags="-mcpu=603"

  4310.             disable altivec

  4311.         ;;

  4312.         604*|ppc604*|powerpc604*)

  4313.             cpuflags="-mcpu=604"

  4314.             disable altivec

  4315.         ;;

  4316.         g3|75*|ppc75*|powerpc75*)

  4317.             cpuflags="-mcpu=750"

  4318.             disable altivec

  4319.         ;;

  4320.         g4|745*|ppc745*|powerpc745*)

  4321.             cpuflags="-mcpu=7450"

  4322.             disable vsx

  4323.         ;;

  4324.         74*|ppc74*|powerpc74*)

  4325.             cpuflags="-mcpu=7400"

  4326.             disable vsx

  4327.         ;;

  4328.         g5|970|ppc970|powerpc970)

  4329.             cpuflags="-mcpu=970"

  4330.             disable vsx

  4331.         ;;

  4332.         power[3-6]*)

  4333.             cpuflags="-mcpu=$cpu"

  4334.             disable vsx

  4335.         ;;

  4336.         power[7-8]*)

  4337.             cpuflags="-mcpu=$cpu"

  4338.         ;;

  4339.         cell)

  4340.             cpuflags="-mcpu=cell"

  4341.             enable ldbrx

  4342.             disable vsx

  4343.         ;;

  4344.         e500mc)

  4345.             cpuflags="-mcpu=e500mc"

  4346.             disable altivec

  4347.         ;;

  4348.         e500v2)

  4349.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4350.             disable altivec

  4351.             disable dcbzl

  4352.         ;;

  4353.         e500)

  4354.             cpuflags="-mcpu=8540 -mhard-float"

  4355.             disable altivec

  4356.             disable dcbzl

  4357.         ;;

  4358.     esac

  4359. 

  4360. elif enabled sparc; then

  4361. 

  4362.     case $cpu in

  4363.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4364.             cpuflags="-mcpu=$cpu"

  4365.         ;;

  4366.         ultrasparc*|niagara[234])

  4367.             cpuflags="-mcpu=$cpu"

  4368.         ;;

  4369.     esac

  4370. 

  4371. elif enabled x86; then

  4372. 

  4373.     case $cpu in

  4374.         i[345]86|pentium)

  4375.             cpuflags="-march=$cpu"

  4376.             disable i686

  4377.             disable mmx

  4378.         ;;

  4379.         # targets that do NOT support nopl and conditional mov (cmov)

  4380.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4381.             cpuflags="-march=$cpu"

  4382.             disable i686

  4383.         ;;

  4384.         # targets that do support nopl and conditional mov (cmov)

  4385.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4386.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4387.             cpuflags="-march=$cpu"

  4388.             enable i686

  4389.             enable fast_cmov

  4390.         ;;

  4391.         # targets that do support conditional mov but on which it's slow

  4392.         pentium4|pentium4m|prescott|nocona)

  4393.             cpuflags="-march=$cpu"

  4394.             enable i686

  4395.             disable fast_cmov

  4396.         ;;

  4397.     esac

  4398. 

  4399. fi

  4400. 

  4401. if [ "$cpu" != generic ]; then

  4402.     add_cflags  $cpuflags

  4403.     add_asflags $cpuflags

  4404.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4405. fi

  4406. 

  4407. # compiler sanity check

  4408. check_exec <<EOF

  4409. int main(void){ return 0; }

  4410. EOF

  4411. if test "$?" != 0; then

  4412.     echo "$cc is unable to create an executable file."

  4413.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4414.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4415.         echo "Only do this if you know what cross compiling means."

  4416.     fi

  4417.     die "C compiler test failed."

  4418. fi

  4419. 

  4420. add_cppflags -D_ISOC99_SOURCE

  4421. add_cxxflags -D__STDC_CONSTANT_MACROS

  4422. check_cflags -std=c99

  4423. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4424. #include <stdlib.h>

  4425. EOF

  4426. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4427. #include <stdlib.h>

  4428. EOF

  4429. 

  4430. add_host_cppflags -D_ISOC99_SOURCE

  4431. check_host_cflags -std=c99

  4432. check_host_cflags -Wall

  4433. check_host_cflags -O3

  4434. 

  4435. check_64bit(){

  4436.     arch32=$1

  4437.     arch64=$2

  4438.     expr=$3

  4439.     check_code cc "" "int test[2*($expr) - 1]" &&

  4440.         subarch=$arch64 || subarch=$arch32

  4441. }

  4442. 

  4443. case "$arch" in

  4444.     aarch64|alpha|ia64)

  4445.         spic=$shared

  4446.     ;;

  4447.     mips)

  4448.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4449.         spic=$shared

  4450.     ;;

  4451.     parisc)

  4452.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4453.         spic=$shared

  4454.     ;;

  4455.     ppc)

  4456.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4457.         spic=$shared

  4458.     ;;

  4459.     s390)

  4460.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4461.         spic=$shared

  4462.     ;;

  4463.     sparc)

  4464.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4465.         spic=$shared

  4466.     ;;

  4467.     x86)

  4468.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4469.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4470.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4471.             subarch=x86_64

  4472.         if test "$subarch" = "x86_64"; then

  4473.             spic=$shared

  4474.         fi

  4475.     ;;

  4476.     ppc)

  4477.         check_cc <<EOF && subarch="ppc64"

  4478.         int test[(int)sizeof(char*) - 7];

  4479. EOF

  4480.     ;;

  4481. esac

  4482. 

  4483. enable $subarch

  4484. enabled spic && enable_weak pic

  4485. 

  4486. # OS specific

  4487. case $target_os in

  4488.     aix)

  4489.         SHFLAGS=-shared

  4490.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4491.         enabled shared && add_ldflags -Wl,-brtl

  4492.         ;;

  4493.     android)

  4494.         disable symver

  4495.         enable section_data_rel_ro

  4496.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4497.         SLIB_INSTALL_LINKS=

  4498.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4499.         ;;

  4500.     haiku)

  4501.         prefix_default="/boot/common"

  4502.         network_extralibs="-lnetwork"

  4503.         host_libs=

  4504.         ;;

  4505.     sunos)

  4506.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4507.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4508.         network_extralibs="-lsocket -lnsl"

  4509.         add_cppflags -D__EXTENSIONS__

  4510.         # When using suncc to build, the Solaris linker will mark

  4511.         # an executable with each instruction set encountered by

  4512.         # the Solaris assembler.  As our libraries contain their own

  4513.         # guards for processor-specific code, instead suppress

  4514.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4515.         enabled_all suncc x86 &&

  4516.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4517.             add_ldflags -Wl,-M,mapfile

  4518.         nm_default='nm -P -g'

  4519.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4520.         ;;

  4521.     netbsd)

  4522.         disable symver

  4523.         oss_indev_extralibs="-lossaudio"

  4524.         oss_outdev_extralibs="-lossaudio"

  4525.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4526.         ;;

  4527.     openbsd|bitrig)

  4528.         disable symver

  4529.         SHFLAGS='-shared'

  4530.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4531.         SLIB_INSTALL_LINKS=

  4532.         oss_indev_extralibs="-lossaudio"

  4533.         oss_outdev_extralibs="-lossaudio"

  4534.         ;;

  4535.     dragonfly)

  4536.         disable symver

  4537.         ;;

  4538.     freebsd)

  4539.         ;;

  4540.     bsd/os)

  4541.         add_extralibs -lpoll -lgnugetopt

  4542.         strip="strip -d"

  4543.         ;;

  4544.     darwin)

  4545.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4546.         install_name_dir_default='$(SHLIBDIR)'

  4547.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4548.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4549.         strip="${strip} -x"

  4550.         add_ldflags -Wl,-dynamic,-search_paths_first

  4551.         SLIBSUF=".dylib"

  4552.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4553.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4554.         objformat="macho"

  4555.         enabled x86_64 && objformat="macho64"

  4556.         enabled_any pic shared x86_64 ||

  4557.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4558.         check_header dispatch/dispatch.h

  4559.         ;;

  4560.     msys*)

  4561.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4562.         ;;

  4563.     mingw32*|mingw64*)

  4564.         if test $target_os = "mingw32ce"; then

  4565.             disable network

  4566.         else

  4567.             target_os=mingw32

  4568.         fi

  4569.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4570.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4571.         LIBTARGET=i386

  4572.         if enabled x86_64; then

  4573.             LIBTARGET="i386:x86-64"

  4574.         elif enabled arm; then

  4575.             LIBTARGET=arm-wince

  4576.         fi

  4577.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4578.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4579.         shlibdir_default="$bindir_default"

  4580.         SLIBPREF=""

  4581.         SLIBSUF=".dll"

  4582.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4583.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4584.         dlltool="${cross_prefix}dlltool"

  4585.         if check_cmd lib.exe -list; then

  4586.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4587.             if enabled x86_64; then

  4588.                 LIBTARGET=x64

  4589.             fi

  4590.         elif check_cmd $dlltool --version; then

  4591.             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)'

  4592.         fi

  4593.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4594.         SLIB_INSTALL_LINKS=

  4595.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4596.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4597.         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'

  4598.         objformat="win32"

  4599.         ranlib=:

  4600.         enable dos_paths

  4601.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4602.         # Lets work around some stupidity in binutils.

  4603.         # ld will strip relocations from executables even though we need them

  4604.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4605.         # however ld then forgets what the entry point should be (oops) so we

  4606.         # have to manually (re)set it.

  4607.         if enabled x86_32; then

  4608.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4609.         elif enabled x86_64; then

  4610.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4611.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4612.             # Set image base >4GB for extra entropy with HEASLR

  4613.             add_ldexeflags -Wl,--image-base,0x140000000

  4614.             append SHFLAGS -Wl,--image-base,0x180000000

  4615.         fi

  4616.         ;;

  4617.     win32|win64)

  4618.         disable symver

  4619.         if enabled shared; then

  4620.             # Link to the import library instead of the normal static library

  4621.             # for shared libs.

  4622.             LD_LIB='%.lib'

  4623.             # Cannot build both shared and static libs with MSVC or icl.

  4624.             disable static

  4625.         fi

  4626.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4627.         shlibdir_default="$bindir_default"

  4628.         SLIBPREF=""

  4629.         SLIBSUF=".dll"

  4630.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4631.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4632.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4633.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4634.         SLIB_INSTALL_LINKS=

  4635.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4636.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4637.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4638.         objformat="win32"

  4639.         ranlib=:

  4640.         enable dos_paths

  4641.         ;;

  4642.     cygwin*)

  4643.         target_os=cygwin

  4644.         shlibdir_default="$bindir_default"

  4645.         SLIBPREF="cyg"

  4646.         SLIBSUF=".dll"

  4647.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4648.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4649.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4650.         SLIB_INSTALL_LINKS=

  4651.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4652.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4653.         objformat="win32"

  4654.         enable dos_paths

  4655.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4656.         ;;

  4657.     *-dos|freedos|opendos)

  4658.         network_extralibs="-lsocket"

  4659.         objformat="coff"

  4660.         enable dos_paths

  4661.         add_cppflags -U__STRICT_ANSI__

  4662.         ;;

  4663.     linux)

  4664.         enable dv1394

  4665.         enable section_data_rel_ro

  4666.         ;;

  4667.     irix*)

  4668.         target_os=irix

  4669.         ranlib="echo ignoring ranlib"

  4670.         ;;

  4671.     os/2*)

  4672.         strip="lxlite -CS"

  4673.         ln_s="cp -f"

  4674.         objformat="aout"

  4675.         add_cppflags -D_GNU_SOURCE

  4676.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4677.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4678.         LIBSUF="_s.a"

  4679.         SLIBPREF=""

  4680.         SLIBSUF=".dll"

  4681.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4682.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4683.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4684.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4685.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4686.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4687.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4688.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4689.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4690.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4691.         enable dos_paths

  4692.         enable_weak os2threads

  4693.         ;;

  4694.     gnu/kfreebsd)

  4695.         add_cppflags -D_BSD_SOURCE

  4696.         ;;

  4697.     gnu)

  4698.         ;;

  4699.     qnx)

  4700.         add_cppflags -D_QNX_SOURCE

  4701.         network_extralibs="-lsocket"

  4702.         ;;

  4703.     symbian)

  4704.         SLIBSUF=".dll"

  4705.         enable dos_paths

  4706.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4707.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4708.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4709.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4710.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4711.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4712.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4713.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4714.         ;;

  4715.     osf1)

  4716.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4717.         ;;

  4718.     minix)

  4719.         ;;

  4720.     plan9)

  4721.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4722.                      -D_REENTRANT_SOURCE        \

  4723.                      -D_RESEARCH_SOURCE         \

  4724.                      -DFD_SETSIZE=96            \

  4725.                      -DHAVE_SOCK_OPTS

  4726.         add_compat strtod.o strtod=avpriv_strtod

  4727.         network_extralibs='-lbsd'

  4728.         exeobjs=compat/plan9/main.o

  4729.         disable ffserver

  4730.         cp_f='cp'

  4731.         ;;

  4732.     none)

  4733.         ;;

  4734.     *)

  4735.         die "Unknown OS '$target_os'."

  4736.         ;;

  4737. esac

  4738. 

  4739. # test if creating links works

  4740. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  4741. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  4742. mkdir "$link_dest"

  4743. $ln_s "$link_dest" "$link_name"

  4744. touch "$link_dest/test_file"

  4745. if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  4746.     # create link to source path

  4747.     [ -e src ] && rm src

  4748.     $ln_s "$source_path" src

  4749.     source_link=src

  4750. else

  4751.     # creating directory links doesn't work

  4752.     # fall back to using the full source path

  4753.     source_link="$source_path"

  4754. fi

  4755. # cleanup

  4756. rm -r "$link_dest"

  4757. rm -r "$link_name"

  4758. 

  4759. # determine libc flavour

  4760. 

  4761. probe_libc(){

  4762.     pfx=$1

  4763.     pfx_no_=${pfx%_}

  4764.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4765.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4766.         eval ${pfx}libc_type=uclibc

  4767.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4768.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4769.         eval ${pfx}libc_type=glibc

  4770.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4771.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4772.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4773.         eval ${pfx}libc_type=newlib

  4774.         add_${pfx}cppflags -U__STRICT_ANSI__

  4775.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4776.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4777.         eval ${pfx}libc_type=mingw64

  4778.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4779.             add_compat msvcrt/snprintf.o

  4780.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4781.         fi

  4782.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4783.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4784.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4785.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4786.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4787.         eval ${pfx}libc_type=mingw32

  4788.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4789.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4790.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4791.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4792.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4793.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4794.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4795.         eval ${pfx}libc_type=msvcrt

  4796.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4797.             if [ "$pfx" = host_ ]; then

  4798.                 add_host_cppflags -Dsnprintf=_snprintf

  4799.             else

  4800.                 add_compat strtod.o strtod=avpriv_strtod

  4801.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4802.                                              _snprintf=avpriv_snprintf  \

  4803.                                              vsnprintf=avpriv_vsnprintf

  4804.             fi

  4805.         fi

  4806.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4807.         # 0x601 by default unless something else is set by the user.

  4808.         # This can easily lead to us detecting functions only present

  4809.         # in such new versions and producing binaries requiring windows 7.0.

  4810.         # Therefore explicitly set the default to XP unless the user has

  4811.         # set something else on the command line.

  4812.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4813.         # family. For these cases, configure is free to use any functions

  4814.         # found in the SDK headers by default. (Alternatively, we could force

  4815.         # _WIN32_WINNT to 0x0602 in that case.)

  4816.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4817.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4818. #ifdef WINAPI_FAMILY

  4819. #include <winapifamily.h>

  4820. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4821. #error not desktop

  4822. #endif

  4823. #endif

  4824. EOF

  4825.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4826.         eval ${pfx}libc_type=klibc

  4827.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4828.         eval ${pfx}libc_type=bionic

  4829.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4830.         eval ${pfx}libc_type=solaris

  4831.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4832.     fi

  4833.     check_${pfx}cc <<EOF

  4834. #include <time.h>

  4835. void *v = localtime_r;

  4836. EOF

  4837. 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

  4838. #include <time.h>

  4839. void *v = localtime_r;

  4840. EOF

  4841. 

  4842. }

  4843. 

  4844. probe_libc

  4845. test -n "$libc_type" && enable libc_$libc_type

  4846. probe_libc host_

  4847. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4848. 

  4849. case $libc_type in

  4850.     bionic)

  4851.         add_compat strtod.o strtod=avpriv_strtod

  4852.         ;;

  4853. esac

  4854. 

  4855. # hacks for compiler/libc/os combinations

  4856. 

  4857. if enabled_all tms470 libc_glibc; then

  4858.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4859.     add_cppflags -D__USER_LABEL_PREFIX__=

  4860.     add_cppflags -D__builtin_memset=memset

  4861.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4862.     add_cflags   -pds=48    # incompatible redefinition of macro

  4863. fi

  4864. 

  4865. if enabled_all ccc libc_glibc; then

  4866.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4867. fi

  4868. 

  4869. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4870.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4871. 

  4872. esc(){

  4873.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4874. }

  4875. 

  4876. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4877. 

  4878. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4879. 

  4880. set_default libdir

  4881. : ${shlibdir_default:="$libdir"}

  4882. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4883. 

  4884. set_default $PATHS_LIST

  4885. set_default nm

  4886. 

  4887. # we need to build at least one lib type

  4888. if ! enabled_any static shared; then

  4889.     cat <<EOF

  4890. At least one library type must be built.

  4891. Specify --enable-static to build the static libraries or --enable-shared to

  4892. build the shared libraries as well. To only build the shared libraries specify

  4893. --disable-static in addition to --enable-shared.

  4894. EOF

  4895.     exit 1;

  4896. fi

  4897. 

  4898. die_license_disabled() {

  4899.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4900. }

  4901. 

  4902. die_license_disabled_gpl() {

  4903.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4904. }

  4905. 

  4906. die_license_disabled gpl frei0r

  4907. die_license_disabled gpl libcdio

  4908. die_license_disabled gpl librubberband

  4909. die_license_disabled gpl libsmbclient

  4910. die_license_disabled gpl libutvideo

  4911. die_license_disabled gpl libvidstab

  4912. die_license_disabled gpl libx264

  4913. die_license_disabled gpl libx265

  4914. die_license_disabled gpl libxavs

  4915. die_license_disabled gpl libxvid

  4916. die_license_disabled gpl x11grab

  4917. 

  4918. die_license_disabled nonfree cuda

  4919. die_license_disabled nonfree libfaac

  4920. die_license_disabled nonfree nvenc

  4921. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4922. enabled gpl && die_license_disabled_gpl nonfree openssl

  4923. 

  4924. die_license_disabled version3 gmp

  4925. die_license_disabled version3 libopencore_amrnb

  4926. die_license_disabled version3 libopencore_amrwb

  4927. die_license_disabled version3 libsmbclient

  4928. die_license_disabled version3 libvo_amrwbenc

  4929. 

  4930. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4931. 

  4932. disabled optimizations || check_cflags -fomit-frame-pointer

  4933. 

  4934. enable_weak_pic() {

  4935.     disabled pic && return

  4936.     enable pic

  4937.     add_cppflags -DPIC

  4938.     case "$target_os" in

  4939.     mingw*|cygwin*)

  4940.         ;;

  4941.     *)

  4942.         add_cflags -fPIC

  4943.         ;;

  4944.     esac

  4945.     add_asflags  -fPIC

  4946. }

  4947. 

  4948. enabled pic && enable_weak_pic

  4949. 

  4950. check_cc <<EOF || die "Symbol mangling check failed."

  4951. int ff_extern;

  4952. EOF

  4953. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4954. extern_prefix=${sym%%ff_extern*}

  4955. 

  4956. check_cc <<EOF && enable_weak inline_asm

  4957. void foo(void) { __asm__ volatile ("" ::); }

  4958. EOF

  4959. 

  4960. _restrict=

  4961. for restrict_keyword in restrict __restrict__ __restrict; do

  4962.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4963. void foo(char * $restrict_keyword p);

  4964. EOF

  4965. done

  4966. 

  4967. check_cc <<EOF && enable pragma_deprecated

  4968. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4969. EOF

  4970. 

  4971. check_cc <<EOF && enable attribute_packed

  4972. struct { int x; } __attribute__((packed)) x;

  4973. EOF

  4974. 

  4975. check_cc <<EOF && enable attribute_may_alias

  4976. union { int x; } __attribute__((may_alias)) x;

  4977. EOF

  4978. 

  4979. check_cc <<EOF || die "endian test failed"

  4980. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4981. EOF

  4982. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4983. 

  4984. if ! enabled ppc64 || enabled bigendian; then

  4985.     disable vsx

  4986. fi

  4987. 

  4988. check_gas() {

  4989.     log "check_gas using '$as' as AS"

  4990.     # :vararg is used on aarch64, arm and ppc altivec

  4991.     check_as <<EOF || return 1

  4992. .macro m n, y:vararg=0

  4993. \n: .int \y

  4994. .endm

  4995. m x

  4996. EOF

  4997.     # .altmacro is only used in arm asm

  4998.     ! enabled arm || check_as <<EOF || return 1

  4999. .altmacro

  5000. EOF

  5001.     enable gnu_as

  5002.     return 0

  5003. }

  5004. 

  5005. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5006.     nogas=:

  5007.     enabled_any arm aarch64 && nogas=die

  5008.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5009.     as_noop=-v

  5010. 

  5011.     case $as_type in

  5012.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5013.         gcc)  gaspp_as_type=gas ;;

  5014.         *)    gaspp_as_type=$as_type ;;

  5015.     esac

  5016. 

  5017.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5018. 

  5019.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5020.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5021.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5022. 

  5023.     if ! check_gas ; then

  5024.         as=${gas:=$as}

  5025.         check_gas || \

  5026.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5027.     fi

  5028. 

  5029.     check_as <<EOF && enable as_func

  5030. .func test

  5031. .endfunc

  5032. EOF

  5033. fi

  5034. 

  5035. check_inline_asm inline_asm_labels '"1:\n"'

  5036. 

  5037. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5038. 

  5039. if enabled aarch64; then

  5040.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5041.     # internal assembler in clang 3.3 does not support this instruction

  5042.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5043.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5044. 

  5045.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5046. 

  5047. elif enabled alpha; then

  5048. 

  5049.     check_cflags -mieee

  5050. 

  5051. elif enabled arm; then

  5052. 

  5053.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  5054. 

  5055.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  5056. float func(float a, float b){ return a+b; }

  5057. EOF

  5058. 

  5059.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5060. 

  5061.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  5062.         enable vfp_args

  5063.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5064.         enable vfp_args

  5065.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5066.         case "${cross_prefix:-$cc}" in

  5067.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  5068.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  5069. __asm__ (".eabi_attribute 28, 1");

  5070. int main(void) { return 0; }

  5071. EOF

  5072.         esac

  5073.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5074.     fi

  5075. 

  5076.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5077.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5078.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5079.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5080.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5081.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5082.     enabled setend  && check_insn setend  'setend be'

  5083. 

  5084.     [ $target_os = linux ] || [ $target_os = android ] ||

  5085.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5086.             $ARCH_EXT_LIST_ARM

  5087. 

  5088.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5089. 

  5090.     check_as <<EOF && enable as_dn_directive

  5091. ra .dn d0.i16

  5092. .unreq ra

  5093. EOF

  5094. 

  5095.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5096.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  5097. .object_arch armv4

  5098. EOF

  5099. 

  5100.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5101. 

  5102. elif enabled mips; then

  5103. 

  5104.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5105.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5106.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5107. 

  5108.     # Enable minimum ISA based on selected options

  5109.     if enabled mips64; then

  5110.         if enabled mips64r6; then

  5111.             check_ldflags "-mips64r6" &&

  5112.             add_cflags "-mips64r6" &&

  5113.             add_asflags "-mips64r6" &&

  5114.             check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||

  5115.             disable mips64r6

  5116.         fi

  5117.         if disabled mips64r6 && enabled mips64r2; then

  5118.             check_ldflags "-mips64r2" &&

  5119.             add_cflags "-mips64r2" &&

  5120.             add_asflags "-mips64r2" &&

  5121.             check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||

  5122.             disable mips64r2

  5123.         fi

  5124.         if disabled mips64r6 && disabled mips64r2; then

  5125.             check_ldflags "-mips64" &&

  5126.             add_cflags "-mips64" &&

  5127.             add_asflags "-mips64" &&

  5128.             check_inline_asm mips64r1 '"daddi $0, $0, 0"' ||

  5129.             disable mips64r1

  5130.         fi

  5131.     else

  5132.         if enabled mips32r6; then

  5133.             check_ldflags "-mips32r6" &&

  5134.             add_cflags "-mips32r6" &&

  5135.             add_asflags "-mips32r6" &&

  5136.             check_inline_asm mips32r6 '"aui $0, $0, 0"' ||

  5137.             disable mips32r6

  5138.         fi

  5139.         if disabled mips32r6 && enabled mips32r2; then

  5140.             check_ldflags "-mips32r2" &&

  5141.             add_cflags "-mips32r2" &&

  5142.             add_asflags "-mips32r2" &&

  5143.             check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||

  5144.             disable mips32r2

  5145.         fi

  5146.         if disabled mips32r6 && disabled mips32r2; then

  5147.             check_ldflags "-mips32" &&

  5148.             add_cflags "-mips32" &&

  5149.             add_asflags "-mips32" &&

  5150.             check_inline_asm mips32r1 '"addi $0, $0, 0"' ||

  5151.             disable mips32r1

  5152.         fi

  5153.     fi

  5154. 

  5155.     # MIPS FPU

  5156.     if enabled mipsfpu; then

  5157.         check_ldflags "-mhard-float" &&

  5158.         add_cflags "-mhard-float" &&

  5159.         add_asflags "-mhard-float" &&

  5160.         check_inline_asm mipsfpu '"cvt.d.l $f0, $f2"' ||

  5161.         disable mipsfpu

  5162.     fi

  5163. 

  5164.     # MSA and DSP support require ISA revision level 2 or greater

  5165.     if enabled mips32r2 || enabled mips64r2 || enabled mips32r6 || enabled mips64r6; then

  5166.         # MSA must be used with -mfp64 and -mhard-float

  5167.         if enabled mipsfpu; then

  5168.             if enabled msa; then

  5169.                 check_ldflags "-mfp64 -mmsa" &&

  5170.                 add_cflags "-mfp64 -mmsa" &&

  5171.                 add_asflags "-mfp64 -mmsa" &&

  5172.                 check_inline_asm msa '"addvi.b $w0, $w1, 1"' &&

  5173.                 check_header msa.h ||

  5174.                 disable msa

  5175.             fi

  5176.         else

  5177.             disable msa

  5178.         fi

  5179. 

  5180.         if enabled mipsdsp; then

  5181.             check_ldflags "-mdsp" &&

  5182.             add_cflags "-mdsp" &&

  5183.             add_asflags "-mdsp" &&

  5184.             check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"' ||

  5185.             disable mipsdsp

  5186.         fi

  5187.         if enabled mipsdspr2; then

  5188.             check_ldflags "-mdspr2" &&

  5189.             add_cflags "-mdspr2" &&

  5190.             add_asflags "-mdspr2" &&

  5191.             check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"' ||

  5192.             disable mipsdspr2

  5193.         fi

  5194.     fi

  5195. 

  5196. elif enabled parisc; then

  5197. 

  5198.     if enabled gcc; then

  5199.         case $($cc -dumpversion) in

  5200.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5201.         esac

  5202.     fi

  5203. 

  5204. elif enabled ppc; then

  5205. 

  5206.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5207. 

  5208.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5209.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5210.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5211.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5212. 

  5213.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5214.     if enabled altivec; then

  5215.         check_cflags -maltivec -mabi=altivec &&

  5216.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5217.         check_cflags -faltivec

  5218. 

  5219.         # check if our compiler supports Motorola AltiVec C API

  5220.         check_cc <<EOF || disable altivec

  5221. $inc_altivec_h

  5222. int main(void) {

  5223.     vector signed int v1 = (vector signed int) { 0 };

  5224.     vector signed int v2 = (vector signed int) { 1 };

  5225.     v1 = vec_add(v1, v2);

  5226.     return 0;

  5227. }

  5228. EOF

  5229. 

  5230.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5231.     fi

  5232. 

  5233.     if enabled vsx; then

  5234.         check_cflags -mvsx &&

  5235.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5236.     fi

  5237. 

  5238.     if enabled power8; then

  5239.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5240.     fi

  5241. 

  5242. elif enabled x86; then

  5243. 

  5244.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5245.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5246. 

  5247.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5248. 

  5249.     # check whether EBP is available on x86

  5250.     # As 'i' is stored on the stack, this program will crash

  5251.     # if the base pointer is used to access it because the

  5252.     # base pointer is cleared in the inline assembly code.

  5253.     check_exec_crash <<EOF && enable ebp_available

  5254. volatile int i=0;

  5255. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5256. return i;

  5257. EOF

  5258. 

  5259.     # check whether EBX is available on x86

  5260.     check_inline_asm ebx_available '""::"b"(0)' &&

  5261.         check_inline_asm ebx_available '"":::"%ebx"'

  5262. 

  5263.     # check whether xmm clobbers are supported

  5264.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5265. 

  5266.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5267.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5268. 

  5269.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5270.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5271.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5272. 

  5273.     if ! disabled_any asm mmx yasm; then

  5274.         if check_cmd $yasmexe --version; then

  5275.             enabled x86_64 && yasm_extra="-m amd64"

  5276.             yasm_debug="-g dwarf2"

  5277.         elif check_cmd nasm -v; then

  5278.             yasmexe=nasm

  5279.             yasm_debug="-g -F dwarf"

  5280.             if enabled x86_64; then

  5281.                 case "$objformat" in

  5282.                     elf)   objformat=elf64 ;;

  5283.                     win32) objformat=win64 ;;

  5284.                 esac

  5285.             fi

  5286.         fi

  5287. 

  5288.         YASMFLAGS="-f $objformat $yasm_extra"

  5289.         enabled pic               && append YASMFLAGS "-DPIC"

  5290.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5291.         case "$objformat" in

  5292.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5293.         esac

  5294. 

  5295.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5296.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5297.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5298.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5299.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5300.         check_yasm "CPU amdnop" || disable cpunop

  5301.     fi

  5302. 

  5303.     case "$cpu" in

  5304.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5305.             disable fast_clz

  5306.         ;;

  5307.     esac

  5308. 

  5309. fi

  5310. 

  5311. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5312. 

  5313. check_ldflags -Wl,--as-needed

  5314. check_ldflags -Wl,-z,noexecstack

  5315. 

  5316. if check_func dlopen; then

  5317.     ldl=

  5318. elif check_func dlopen -ldl; then

  5319.     ldl=-ldl

  5320. fi

  5321. 

  5322. decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"

  5323. decklink_indev_extralibs="$decklink_indev_extralibs $ldl"

  5324. frei0r_filter_extralibs='$ldl'

  5325. frei0r_src_filter_extralibs='$ldl'

  5326. ladspa_filter_extralibs='$ldl'

  5327. nvenc_encoder_extralibs='$ldl'

  5328. 

  5329. if ! disabled network; then

  5330.     check_func getaddrinfo $network_extralibs

  5331.     check_func inet_aton $network_extralibs

  5332. 

  5333.     check_type netdb.h "struct addrinfo"

  5334.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5335.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5336.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5337.     check_type poll.h "struct pollfd"

  5338.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5339.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5340.     check_type netinet/in.h "struct sockaddr_in6"

  5341.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5342.     check_type "sys/types.h sys/socket.h" socklen_t

  5343. 

  5344.     # Prefer arpa/inet.h over winsock2

  5345.     if check_header arpa/inet.h ; then

  5346.         check_func closesocket

  5347.     elif check_header winsock2.h ; then

  5348.         check_func_headers winsock2.h closesocket -lws2 &&

  5349.             network_extralibs="-lws2" ||

  5350.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5351.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5352.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5353. 

  5354.         check_type ws2tcpip.h socklen_t

  5355.         check_type ws2tcpip.h "struct addrinfo"

  5356.         check_type ws2tcpip.h "struct group_source_req"

  5357.         check_type ws2tcpip.h "struct ip_mreq_source"

  5358.         check_type ws2tcpip.h "struct ipv6_mreq"

  5359.         check_type winsock2.h "struct pollfd"

  5360.         check_struct winsock2.h "struct sockaddr" sa_len

  5361.         check_type ws2tcpip.h "struct sockaddr_in6"

  5362.         check_type ws2tcpip.h "struct sockaddr_storage"

  5363.     else

  5364.         disable network

  5365.     fi

  5366. fi

  5367. 

  5368. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5369. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5370. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5371. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5372. check_builtin sarestart signal.h "SA_RESTART"

  5373. check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread

  5374. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5375. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5376. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5377. 

  5378. case "$custom_allocator" in

  5379.     jemalloc)

  5380.         # jemalloc by default does not use a prefix

  5381.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5382.     ;;

  5383.     tcmalloc)

  5384.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5385.         malloc_prefix=tc_

  5386.     ;;

  5387. esac

  5388. 

  5389. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5390. check_func  ${malloc_prefix}memalign            && enable memalign

  5391. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5392. 

  5393. check_func  access

  5394. check_func  arc4random

  5395. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5396. check_func  fcntl

  5397. check_func  fork

  5398. check_func  gethrtime

  5399. check_func  getopt

  5400. check_func  getrusage

  5401. check_func  gettimeofday

  5402. check_func  isatty

  5403. check_func  mach_absolute_time

  5404. check_func  mkstemp

  5405. check_func  mmap

  5406. check_func  mprotect

  5407. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5408. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5409. check_func  sched_getaffinity

  5410. check_func  setrlimit

  5411. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5412. check_func  strerror_r

  5413. check_func  sysconf

  5414. check_func  sysctl

  5415. check_func  usleep

  5416. 

  5417. check_func_headers conio.h kbhit

  5418. check_func_headers io.h setmode

  5419. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5420. check_func_headers stdlib.h getenv

  5421. check_func_headers sys/stat.h lstat

  5422. 

  5423. check_func_headers windows.h CoTaskMemFree -lole32

  5424. check_func_headers windows.h GetProcessAffinityMask

  5425. check_func_headers windows.h GetProcessTimes

  5426. check_func_headers windows.h GetSystemTimeAsFileTime

  5427. check_func_headers windows.h MapViewOfFile

  5428. check_func_headers windows.h PeekNamedPipe

  5429. check_func_headers windows.h SetConsoleTextAttribute

  5430. check_func_headers windows.h SetConsoleCtrlHandler

  5431. check_func_headers windows.h Sleep

  5432. check_func_headers windows.h VirtualAlloc

  5433. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5434. check_func_headers glob.h glob

  5435. enabled xlib &&

  5436.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5437. 

  5438. check_header direct.h

  5439. check_header dirent.h

  5440. check_header dlfcn.h

  5441. check_header d3d11.h

  5442. check_header dxva.h

  5443. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5444. check_header io.h

  5445. check_header libcrystalhd/libcrystalhd_if.h

  5446. check_header mach/mach_time.h

  5447. check_header malloc.h

  5448. check_header net/udplite.h

  5449. check_header poll.h

  5450. check_header sys/mman.h

  5451. check_header sys/param.h

  5452. check_header sys/resource.h

  5453. check_header sys/select.h

  5454. check_header sys/time.h

  5455. check_header sys/un.h

  5456. check_header termios.h

  5457. check_header unistd.h

  5458. check_header valgrind/valgrind.h

  5459. check_header vdpau/vdpau.h

  5460. check_header vdpau/vdpau_x11.h

  5461. check_header VideoDecodeAcceleration/VDADecoder.h

  5462. check_header VideoToolbox/VideoToolbox.h

  5463. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  5464. check_header windows.h

  5465. check_header X11/extensions/XvMClib.h

  5466. check_header asm/types.h

  5467. 

  5468. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5469. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5470. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5471. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5472. 

  5473. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5474. 

  5475. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5476. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5477. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5478. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5479. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5480. 

  5481. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5482. check_type "va/va.h" "VADecPictureParameterBufferVP9"

  5483. 

  5484. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5485. 

  5486. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5487. 

  5488. if ! disabled w32threads && ! enabled pthreads; then

  5489.     check_func_headers "windows.h process.h" _beginthreadex &&

  5490.         enable w32threads || disable w32threads

  5491.     if ! enabled w32threads && enabled winrt; then

  5492.         check_func_headers "windows.h" CreateThread &&

  5493.             enable w32threads || disable w32threads

  5494.     fi

  5495. fi

  5496. 

  5497. # check for some common methods of building with pthread support

  5498. # do this before the optional library checks as some of them require pthreads

  5499. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5500.     enable pthreads

  5501.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5502.         add_cflags -pthread

  5503.         add_extralibs -pthread

  5504.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5505.         add_cflags -pthreads

  5506.         add_extralibs -pthreads

  5507.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5508.         add_cflags -ldl -pthread

  5509.         add_extralibs -ldl -pthread

  5510.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5511.         add_extralibs -lpthreadGC2

  5512.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5513.         :

  5514.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5515.         disable pthreads

  5516.     fi

  5517.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5518. fi

  5519. 

  5520. 

  5521. if enabled pthreads; then

  5522.   check_func pthread_cancel

  5523. fi

  5524. 

  5525. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5526. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5527. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5528. 

  5529. check_lib math.h sin -lm && LIBM="-lm"

  5530. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5531. 

  5532. atan2f_args=2

  5533. copysign_args=2

  5534. hypot_args=2

  5535. ldexpf_args=2

  5536. powf_args=2

  5537. 

  5538. for func in $MATH_FUNCS; do

  5539.     eval check_mathfunc $func \${${func}_args:-1}

  5540. done

  5541. 

  5542. for func in $COMPLEX_FUNCS; do

  5543.     eval check_complexfunc $func \${${func}_args:-1}

  5544. done

  5545. 

  5546. # these are off by default, so fail if requested and not available

  5547. enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5548. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5549.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5550. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5551.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5552.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5553. enabled cuda              && check_lib cuda.h cuInit -lcuda

  5554. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5555. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5556. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5557. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5558. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5559. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5560. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5561. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5562. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5563. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5564. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5565.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5566.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5567. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5568. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5569. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5570. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5571.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5572.                                  warn "using libfdk without pkg-config"; } }

  5573. 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"

  5574. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5575. enabled fontconfig        && enable libfontconfig

  5576. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5577. enabled libfreetype       && require_libfreetype

  5578. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5579. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5580. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5581.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5582.                                done || die "ERROR: libgsm not found"; }

  5583. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5584. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  5585. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5586. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5587. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5588. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5589. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5590. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5591. enabled libopencv         && { check_header opencv2/core/core_c.h &&

  5592.                                { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||

  5593.                                  require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  5594.                                require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }

  5595. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5596. enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5597.                                check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

  5598.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5599.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5600.                                die "ERROR: libopenjpeg not found"; }

  5601. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5602. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5603. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5604. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5605. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5606. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5607. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5608.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5609. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5610. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5611. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5612. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5613. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5614. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5615. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5616.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5617.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5618. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5619. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5620. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5621. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5622. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5623. 

  5624. enabled libvpx            && {

  5625.     enabled libvpx_vp8_decoder && {

  5626.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5627.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5628.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5629.     }

  5630.     enabled libvpx_vp8_encoder && {

  5631.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5632.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5633.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5634.     }

  5635.     enabled libvpx_vp9_decoder && {

  5636.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5637.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5638.                 disable libvpx_vp9_decoder;

  5639.     }

  5640.     enabled libvpx_vp9_encoder && {

  5641.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5642.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5643.                 disable libvpx_vp9_encoder;

  5644.     }

  5645.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5646.         die "libvpx enabled but no supported decoders found"

  5647.     fi

  5648. }

  5649. 

  5650. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5651. enabled libwebp           && {

  5652.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5653.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5654. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5655.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5656.                                  warn "using libx264 without pkg-config"; } } &&

  5657.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5658.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5659.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5660.                                enable libx262; }

  5661. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5662.                              { check_cpp_condition x265.h "X265_BUILD >= 68" ||

  5663.                                die "ERROR: libx265 version must be >= 68."; }

  5664. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5665. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5666. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5667. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5668. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&

  5669.                              { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  5670.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  5671. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5672.                                 { ! enabled cross_compile && {

  5673.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5674.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5675.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5676.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5677.                                die "ERROR: mmal not found"; }

  5678. enabled mmal &&

  5679.     (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||

  5680.      die "ERROR: mmal firmware headers too old")

  5681. 

  5682. enabled netcdf            && require_pkg_config netcdf netcdf.h nc_inq_libvers

  5683. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5684.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||

  5685.                                die "ERROR: NVENC API version 5 or older is not supported"; } &&

  5686.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5687. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5688.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5689.                                die "ERROR: openal not found"; } &&

  5690.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5691.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5692. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5693.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5694.                                die "ERROR: opencl not found"; } &&

  5695.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5696.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5697.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5698. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5699.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5700.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5701.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5702.                                die "ERROR: opengl not found."

  5703.                              }

  5704. enabled openssl           && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||

  5705.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5706.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5707.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5708.                                die "ERROR: openssl not found"; }

  5709. enabled qtkit_indev      && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }

  5710. 

  5711. # libdc1394 check

  5712. if enabled libdc1394; then

  5713.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5714.         enable libdc1394_2; } ||

  5715.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5716.         enable libdc1394_1; } ||

  5717.     die "ERROR: No version of libdc1394 found "

  5718. fi

  5719. 

  5720. if enabled gcrypt; then

  5721.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  5722.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  5723.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  5724.         gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)

  5725.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||

  5726.             die "ERROR: gcrypt not found"

  5727.         add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs

  5728.     else

  5729.         require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5730.     fi

  5731. fi

  5732. 

  5733. if ! disabled sdl; then

  5734.     SDL_CONFIG="${cross_prefix}sdl-config"

  5735.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5736.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5737.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5738.         enable sdl

  5739.     else

  5740.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5741.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5742.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5743.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5744.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5745.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5746.             enable sdl

  5747.         elif enabled sdl ; then

  5748.             die "ERROR: SDL not found"

  5749.         else

  5750.             disable sdl

  5751.         fi

  5752.     fi

  5753.     if test $target_os = "mingw32"; then

  5754.         sdl_libs="$sdl_libs -mconsole"

  5755.     fi

  5756. fi

  5757. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5758. 

  5759. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5760.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5761.     enable securetransport; }

  5762. 

  5763. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5764.                        enable schannel && add_extralibs -lSecur32; }

  5765. 

  5766. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5767. enabled makeinfo \

  5768.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5769.     && enable makeinfo_html || disable makeinfo_html

  5770. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5771. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5772. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5773. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5774. 

  5775. check_header linux/fb.h

  5776. check_header linux/videodev.h

  5777. check_header linux/videodev2.h

  5778. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5779. 

  5780. check_header sys/videoio.h

  5781. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5782. 

  5783. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5784. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5785. # w32api 3.12 had it defined wrong

  5786. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5787. 

  5788. check_type "dshow.h" IBaseFilter

  5789. 

  5790. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5791. { check_header dev/bktr/ioctl_meteor.h &&

  5792.   check_header dev/bktr/ioctl_bt848.h; } ||

  5793. { check_header machine/ioctl_meteor.h &&

  5794.   check_header machine/ioctl_bt848.h; } ||

  5795. { check_header dev/video/meteor/ioctl_meteor.h &&

  5796.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5797. check_header dev/ic/bt8xx.h

  5798. 

  5799. check_header sndio.h

  5800. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5801.     enable_safe sys/soundcard.h

  5802. else

  5803.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5804.     #include <sys/soundcard.h>

  5805.     audio_buf_info abc;

  5806. EOF

  5807. fi

  5808. check_header soundcard.h

  5809. 

  5810. enabled_any alsa_indev alsa_outdev &&

  5811.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5812. 

  5813. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&

  5814.     check_func jack_port_get_latency_range -ljack

  5815. 

  5816. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5817. 

  5818. if enabled libcdio; then

  5819.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5820.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5821.     die "ERROR: No usable libcdio/cdparanoia found"

  5822. fi

  5823. 

  5824. enabled xlib &&

  5825.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5826. 

  5827. if ! disabled libxcb; then

  5828.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5829.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5830.     } && disable x11grab && enable libxcb

  5831. 

  5832. if enabled libxcb; then

  5833.     disabled libxcb_shm || {

  5834.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5835.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5836.         } && check_header sys/shm.h && enable libxcb_shm; }

  5837. 

  5838.     disabled libxcb_xfixes || {

  5839.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5840.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5841.         } && enable libxcb_xfixes; }

  5842. 

  5843.     disabled libxcb_shape || {

  5844.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5845.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5846.         } && enable libxcb_shape; }

  5847. 

  5848.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5849.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5850. fi

  5851. fi

  5852. 

  5853. if enabled x11grab; then

  5854.     enabled xlib || die "ERROR: Xlib not found"

  5855.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5856.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5857. fi

  5858. 

  5859. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5860. 

  5861. enabled dxva2api_h &&

  5862.     check_cc <<EOF && enable dxva2api_cobj

  5863. #define _WIN32_WINNT 0x0600

  5864. #define COBJMACROS

  5865. #include <windows.h>

  5866. #include <d3d9.h>

  5867. #include <dxva2api.h>

  5868. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5869. EOF

  5870. 

  5871. enabled vaapi &&

  5872.     check_lib va/va.h vaInitialize -lva ||

  5873.     disable vaapi

  5874. 

  5875. enabled vaapi && enabled xlib &&

  5876.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5877.     enable vaapi_x11

  5878. 

  5879. enabled vdpau &&

  5880.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5881.     disable vdpau

  5882. 

  5883. enabled vdpau && enabled xlib &&

  5884.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5885.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5886.     enable vdpau_x11

  5887. 

  5888. # Funny iconv installations are not unusual, so check it after all flags have been set

  5889. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5890. 

  5891. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5892. 

  5893. # add some useful compiler flags if supported

  5894. check_cflags -Wdeclaration-after-statement

  5895. check_cflags -Wall

  5896. check_cflags -Wdisabled-optimization

  5897. check_cflags -Wpointer-arith

  5898. check_cflags -Wredundant-decls

  5899. check_cflags -Wwrite-strings

  5900. check_cflags -Wtype-limits

  5901. check_cflags -Wundef

  5902. check_cflags -Wmissing-prototypes

  5903. check_cflags -Wno-pointer-to-int-cast

  5904. check_cflags -Wstrict-prototypes

  5905. check_cflags -Wempty-body

  5906. enabled extra_warnings && check_cflags -Winline

  5907. enabled extra_warnings && check_cflags -Wcast-qual

  5908. 

  5909. check_disable_warning(){

  5910.     warning_flag=-W${1#-Wno-}

  5911.     test_cflags $warning_flag && add_cflags $1

  5912. }

  5913. 

  5914. check_disable_warning -Wno-parentheses

  5915. check_disable_warning -Wno-switch

  5916. check_disable_warning -Wno-format-zero-length

  5917. check_disable_warning -Wno-pointer-sign

  5918. check_disable_warning -Wno-unused-const-variable

  5919. 

  5920. # add some linker flags

  5921. check_ldflags -Wl,--warn-common

  5922. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5923. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5924. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5925. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5926. 

  5927. # add some strip flags

  5928. # -wN '..@*' is more selective than -x, but not available everywhere.

  5929. check_stripflags -wN \'..@*\' || check_stripflags -x

  5930. 

  5931. enabled neon_clobber_test &&

  5932.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5933.                   -Wl,--wrap,avcodec_decode_audio4      \

  5934.                   -Wl,--wrap,avcodec_decode_video2      \

  5935.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5936.                   -Wl,--wrap,avcodec_encode_audio2      \

  5937.                   -Wl,--wrap,avcodec_encode_video2      \

  5938.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5939.                   -Wl,--wrap,swr_convert                \

  5940.                   -Wl,--wrap,avresample_convert ||

  5941.     disable neon_clobber_test

  5942. 

  5943. enabled xmm_clobber_test &&

  5944.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5945.                   -Wl,--wrap,avcodec_decode_audio4      \

  5946.                   -Wl,--wrap,avcodec_decode_video2      \

  5947.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5948.                   -Wl,--wrap,avcodec_encode_audio2      \

  5949.                   -Wl,--wrap,avcodec_encode_video2      \

  5950.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5951.                   -Wl,--wrap,swr_convert                \

  5952.                   -Wl,--wrap,avresample_convert         \

  5953.                   -Wl,--wrap,sws_scale ||

  5954.     disable xmm_clobber_test

  5955. 

  5956. echo "X { local: *; };" > $TMPV

  5957. if test_ldflags -Wl,--version-script,$TMPV; then

  5958.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5959. elif test_ldflags -Wl,-M,$TMPV; then

  5960.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5961. fi

  5962. 

  5963. check_cc <<EOF && enable symver_asm_label

  5964. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5965. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5966. EOF

  5967.     check_cc <<EOF && enable symver_gnu_asm

  5968. __asm__(".symver ff_foo,av_foo@VERSION");

  5969. void ff_foo(void) {}

  5970. EOF

  5971. 

  5972. if [ -z "$optflags" ]; then

  5973.     if enabled small; then

  5974.         optflags=$cflags_size

  5975.     elif enabled optimizations; then

  5976.         optflags=$cflags_speed

  5977.     else

  5978.         optflags=$cflags_noopt

  5979.     fi

  5980. fi

  5981. 

  5982. check_optflags(){

  5983.     check_cflags "$@"

  5984.     enabled lto && check_ldflags "$@"

  5985. }

  5986. 

  5987. 

  5988. if enabled lto; then

  5989.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5990.     check_cflags  -flto

  5991.     check_ldflags -flto $cpuflags

  5992.     disable inline_asm_direct_symbol_refs

  5993. fi

  5994. 

  5995. check_optflags $optflags

  5996. check_optflags -fno-math-errno

  5997. check_optflags -fno-signed-zeros

  5998. 

  5999. enabled ftrapv && check_cflags -ftrapv

  6000. 

  6001. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6002. int x;

  6003. EOF

  6004. 

  6005. 

  6006. if enabled icc; then

  6007.     # Just warnings, no remarks

  6008.     check_cflags -w1

  6009.     # -wd: Disable following warnings

  6010.     # 144, 167, 556: -Wno-pointer-sign

  6011.     # 188: enumerated type mixed with another type

  6012.     # 1292: attribute "foo" ignored

  6013.     # 1419: external declaration in primary source file

  6014.     # 10006: ignoring unknown option -fno-signed-zeros

  6015.     # 10148: ignoring unknown option -Wno-parentheses

  6016.     # 10156: ignoring option '-W'; no argument required

  6017.     # 13200: No EMMS instruction before call to function

  6018.     # 13203: No EMMS instruction before return from function

  6019.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6020.     # 11030: Warning unknown option --as-needed

  6021.     # 10156: ignoring option '-export'; no argument required

  6022.     check_ldflags -wd10156,11030

  6023.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6024.     enable ebp_available

  6025.     # The test above does not test linking

  6026.     enabled lto && disable symver_asm_label

  6027.     if enabled x86_32; then

  6028.         icc_version=$($cc -dumpversion)

  6029.         test ${icc_version%%.*} -ge 11 &&

  6030.             check_cflags -falign-stack=maintain-16-byte ||

  6031.             disable aligned_stack

  6032.     fi

  6033. elif enabled ccc; then

  6034.     # disable some annoying warnings

  6035.     add_cflags -msg_disable bitnotint

  6036.     add_cflags -msg_disable mixfuncvoid

  6037.     add_cflags -msg_disable nonstandcast

  6038.     add_cflags -msg_disable unsupieee

  6039. elif enabled gcc; then

  6040.     case $gcc_basever in

  6041.         4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;

  6042.         4.*)                 check_optflags -fno-tree-vectorize ;;

  6043.         *)    enabled x86 || check_optflags -fno-tree-vectorize ;;

  6044.     esac

  6045.     check_cflags -Werror=format-security

  6046.     check_cflags -Werror=implicit-function-declaration

  6047.     check_cflags -Werror=missing-prototypes

  6048.     check_cflags -Werror=return-type

  6049.     check_cflags -Werror=vla

  6050.     check_cflags -Wformat

  6051.     check_cflags -fdiagnostics-color=auto

  6052.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6053. elif enabled llvm_gcc; then

  6054.     check_cflags -mllvm -stack-alignment=16

  6055. elif enabled clang; then

  6056.     check_cflags -mllvm -stack-alignment=16

  6057.     check_cflags -Qunused-arguments

  6058.     check_cflags -Werror=implicit-function-declaration

  6059.     check_cflags -Werror=missing-prototypes

  6060.     check_cflags -Werror=return-type

  6061. elif enabled cparser; then

  6062.     add_cflags -Wno-missing-variable-declarations

  6063.     add_cflags -Wno-empty-statement

  6064. elif enabled armcc; then

  6065.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6066.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6067.     # 2523: use of inline assembly is deprecated

  6068.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6069.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6070.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6071.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6072.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6073.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6074. elif enabled tms470; then

  6075.     add_cflags -pds=824 -pds=837

  6076.     disable inline_asm

  6077. elif enabled pathscale; then

  6078.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6079. elif enabled_any msvc icl; then

  6080.     enabled x86_32 && disable aligned_stack

  6081.     enabled_all x86_32 debug && add_cflags -Oy-

  6082.     enabled debug && add_ldflags -debug

  6083.     enable pragma_deprecated

  6084.     if enabled icl; then

  6085.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6086.         # (correctly) on icl 13.x.

  6087.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6088.             add_cflags -Qansi-alias

  6089.         # Some inline asm is not compilable in debug

  6090.         if enabled debug; then

  6091.             disable ebp_available

  6092.             disable ebx_available

  6093.         fi

  6094.     fi

  6095.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6096.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  6097.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6098.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6099.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6100.     # MSVC 2013 and newer can handle it fine.

  6101.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6102.     # happens in config.h.

  6103.     if [ $_restrict != restrict ]; then

  6104.         check_cc <<EOF || add_cflags -FIstdlib.h

  6105. __declspec($_restrict) void* foo(int);

  6106. EOF

  6107.     fi

  6108.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  6109. fi

  6110. 

  6111. for pfx in "" host_; do

  6112.     varname=${pfx%_}cc_type

  6113.     eval "type=\$$varname"

  6114.     if [ $type = "msvc" ]; then

  6115.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6116. static inline int foo(int a) { return a; }

  6117. EOF

  6118.     fi

  6119. done

  6120. 

  6121. case $as_type in

  6122.     clang)

  6123.         add_asflags -Qunused-arguments

  6124.     ;;

  6125. esac

  6126. 

  6127. case $ld_type in

  6128.     clang)

  6129.         check_ldflags -Qunused-arguments

  6130.     ;;

  6131. esac

  6132. 

  6133. case $target_os in

  6134.     osf1)

  6135.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  6136.     ;;

  6137.     plan9)

  6138.         add_cppflags -Dmain=plan9_main

  6139.     ;;

  6140. esac

  6141. 

  6142. enable frame_thread_encoder

  6143. 

  6144. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6145. 

  6146. check_deps $CONFIG_LIST       \

  6147.            $CONFIG_EXTRA      \

  6148.            $HAVE_LIST         \

  6149.            $ALL_COMPONENTS    \

  6150. 

  6151. 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"

  6152. 

  6153. 

  6154. if test $target_os = "haiku"; then

  6155.     disable memalign

  6156.     disable posix_memalign

  6157. fi

  6158. 

  6159. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  6160.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  6161.     enable dxva2_lib

  6162. 

  6163. ! enabled_any memalign posix_memalign aligned_malloc &&

  6164.     enabled simd_align_16 && enable memalign_hack

  6165. 

  6166. # add_dep lib dep

  6167. # -> enable ${lib}_deps_${dep}

  6168. # -> add $dep to ${lib}_deps only once

  6169. add_dep() {

  6170.     lib=$1

  6171.     dep=$2

  6172.     enabled "${lib}_deps_${dep}" && return 0

  6173.     enable  "${lib}_deps_${dep}"

  6174.     prepend "${lib}_deps" $dep

  6175. }

  6176. 

  6177. # merge deps lib components

  6178. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  6179. merge_deps() {

  6180.     lib=$1

  6181.     shift

  6182.     for comp in $*; do

  6183.         enabled $comp || continue

  6184.         eval "dep=\"\$${comp}_deps\""

  6185.         for d in $dep; do

  6186.             add_dep $lib $d

  6187.         done

  6188.     done

  6189. }

  6190. 

  6191. merge_deps libavfilter $FILTER_LIST

  6192. 

  6193. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  6194. 

  6195. for thread in $THREADS_LIST; do

  6196.     if enabled $thread; then

  6197.         test -n "$thread_type" &&

  6198.             die "ERROR: Only one thread type must be selected." ||

  6199.             thread_type="$thread"

  6200.     fi

  6201. done

  6202. 

  6203. enabled zlib && add_cppflags -DZLIB_CONST

  6204. 

  6205. # conditional library dependencies, in linking order

  6206. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  6207. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  6208. enabled aresample_filter    && prepend avfilter_deps "swresample"

  6209. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  6210. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  6211. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  6212. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  6213. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  6214. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  6215. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  6216. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  6217. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  6218. enabled pan_filter          && prepend avfilter_deps "swresample"

  6219. enabled pp_filter           && prepend avfilter_deps "postproc"

  6220. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6221. enabled resample_filter && prepend avfilter_deps "avresample"

  6222. enabled sab_filter          && prepend avfilter_deps "swscale"

  6223. enabled scale_filter    && prepend avfilter_deps "swscale"

  6224. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6225. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  6226. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  6227. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  6228. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6229. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6230. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  6231. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6232. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6233. 

  6234. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6235. 

  6236. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6237. 

  6238. expand_deps(){

  6239.     lib_deps=${1}_deps

  6240.     eval "deps=\$$lib_deps"

  6241.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6242.     unique $lib_deps

  6243. }

  6244. 

  6245. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6246. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6247. 

  6248. map 'expand_deps $v' $LIBRARY_LIST

  6249. 

  6250. echo "install prefix            $prefix"

  6251. echo "source path               $source_path"

  6252. echo "C compiler                $cc"

  6253. echo "C library                 $libc_type"

  6254. if test "$host_cc" != "$cc"; then

  6255.     echo "host C compiler           $host_cc"

  6256.     echo "host C library            $host_libc_type"

  6257. fi

  6258. echo "ARCH                      $arch ($cpu)"

  6259. if test "$build_suffix" != ""; then

  6260.     echo "build suffix              $build_suffix"

  6261. fi

  6262. if test "$progs_suffix" != ""; then

  6263.     echo "progs suffix              $progs_suffix"

  6264. fi

  6265. if test "$extra_version" != ""; then

  6266.     echo "version string suffix     $extra_version"

  6267. fi

  6268. echo "big-endian                ${bigendian-no}"

  6269. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6270. if enabled x86; then

  6271.     echo "${yasmexe}                      ${yasm-no}"

  6272.     echo "MMX enabled               ${mmx-no}"

  6273.     echo "MMXEXT enabled            ${mmxext-no}"

  6274.     echo "3DNow! enabled            ${amd3dnow-no}"

  6275.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6276.     echo "SSE enabled               ${sse-no}"

  6277.     echo "SSSE3 enabled             ${ssse3-no}"

  6278.     echo "AESNI enabled             ${aesni-no}"

  6279.     echo "AVX enabled               ${avx-no}"

  6280.     echo "XOP enabled               ${xop-no}"

  6281.     echo "FMA3 enabled              ${fma3-no}"

  6282.     echo "FMA4 enabled              ${fma4-no}"

  6283.     echo "i686 features enabled     ${i686-no}"

  6284.     echo "CMOV is fast              ${fast_cmov-no}"

  6285.     echo "EBX available             ${ebx_available-no}"

  6286.     echo "EBP available             ${ebp_available-no}"

  6287. fi

  6288. if enabled aarch64; then

  6289.     echo "NEON enabled              ${neon-no}"

  6290.     echo "VFP enabled               ${vfp-no}"

  6291. fi

  6292. if enabled arm; then

  6293.     echo "ARMv5TE enabled           ${armv5te-no}"

  6294.     echo "ARMv6 enabled             ${armv6-no}"

  6295.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6296.     echo "VFP enabled               ${vfp-no}"

  6297.     echo "NEON enabled              ${neon-no}"

  6298.     echo "THUMB enabled             ${thumb-no}"

  6299. fi

  6300. if enabled mips; then

  6301.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6302.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6303.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6304.     echo "MIPS MSA enabled          ${msa-no}"

  6305.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6306. fi

  6307. if enabled ppc; then

  6308.     echo "AltiVec enabled           ${altivec-no}"

  6309.     echo "VSX enabled               ${vsx-no}"

  6310.     echo "POWER8 enabled            ${power8-no}"

  6311.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6312.     echo "dcbzl available           ${dcbzl-no}"

  6313. fi

  6314. echo "debug symbols             ${debug-no}"

  6315. echo "strip symbols             ${stripping-no}"

  6316. echo "optimize for size         ${small-no}"

  6317. echo "optimizations             ${optimizations-no}"

  6318. echo "static                    ${static-no}"

  6319. echo "shared                    ${shared-no}"

  6320. echo "postprocessing support    ${postproc-no}"

  6321. echo "new filter support        ${avfilter-no}"

  6322. echo "network support           ${network-no}"

  6323. echo "threading support         ${thread_type-no}"

  6324. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6325. echo "SDL support               ${sdl-no}"

  6326. echo "opencl enabled            ${opencl-no}"

  6327. echo "texi2html enabled         ${texi2html-no}"

  6328. echo "perl enabled              ${perl-no}"

  6329. echo "pod2man enabled           ${pod2man-no}"

  6330. echo "makeinfo enabled          ${makeinfo-no}"

  6331. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6332. test -n "$random_seed" &&

  6333.     echo "random seed               ${random_seed}"

  6334. echo

  6335. 

  6336. echo "Enabled programs:"

  6337. print_enabled '' $PROGRAM_LIST | print_in_columns

  6338. echo

  6339. 

  6340. echo "External libraries:"

  6341. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6342. echo

  6343. 

  6344. echo "Libraries:"

  6345. print_enabled '' $LIBRARY_LIST | print_in_columns

  6346. echo

  6347. 

  6348. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6349.     echo "Enabled ${type}s:"

  6350.     eval list=\$$(toupper $type)_LIST

  6351.     print_enabled '_*' $list | print_in_columns

  6352.     echo

  6353. done

  6354. 

  6355. license="LGPL version 2.1 or later"

  6356. if enabled nonfree; then

  6357.     license="nonfree and unredistributable"

  6358. elif enabled gplv3; then

  6359.     license="GPL version 3 or later"

  6360. elif enabled lgplv3; then

  6361.     license="LGPL version 3 or later"

  6362. elif enabled gpl; then

  6363.     license="GPL version 2 or later"

  6364. fi

  6365. 

  6366. echo "License: $license"

  6367. 

  6368. echo "Creating config.mak, config.h, and doc/config.texi..."

  6369. 

  6370. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6371. 

  6372. enabled stripping || strip="echo skipping strip"

  6373. 

  6374. config_files="$TMPH config.mak doc/config.texi"

  6375. 

  6376. cat > config.mak <<EOF

  6377. # Automatically generated by configure - do not modify!

  6378. ifndef FFMPEG_CONFIG_MAK

  6379. FFMPEG_CONFIG_MAK=1

  6380. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6381. prefix=$prefix

  6382. LIBDIR=\$(DESTDIR)$libdir

  6383. SHLIBDIR=\$(DESTDIR)$shlibdir

  6384. INCDIR=\$(DESTDIR)$incdir

  6385. BINDIR=\$(DESTDIR)$bindir

  6386. DATADIR=\$(DESTDIR)$datadir

  6387. DOCDIR=\$(DESTDIR)$docdir

  6388. MANDIR=\$(DESTDIR)$mandir

  6389. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6390. INSTALL_NAME_DIR=$install_name_dir

  6391. SRC_PATH=$source_path

  6392. SRC_LINK=$source_link

  6393. ifndef MAIN_MAKEFILE

  6394. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6395. endif

  6396. CC_IDENT=$cc_ident

  6397. ARCH=$arch

  6398. INTRINSICS=$intrinsics

  6399. CC=$cc

  6400. CXX=$cxx

  6401. AS=$as

  6402. OBJCC=$objcc

  6403. LD=$ld

  6404. DEPCC=$dep_cc

  6405. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6406. DEPAS=$as

  6407. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6408. YASM=$yasmexe

  6409. DEPYASM=$yasmexe

  6410. AR=$ar

  6411. ARFLAGS=$arflags

  6412. AR_O=$ar_o

  6413. RANLIB=$ranlib

  6414. STRIP=$strip

  6415. CP=cp -p

  6416. LN_S=$ln_s

  6417. CPPFLAGS=$CPPFLAGS

  6418. CFLAGS=$CFLAGS

  6419. CXXFLAGS=$CXXFLAGS

  6420. OBJCFLAGS=$OBJCFLAGS

  6421. ASFLAGS=$ASFLAGS

  6422. AS_C=$AS_C

  6423. AS_O=$AS_O

  6424. OBJCC_C=$OBJCC_C

  6425. OBJCC_E=$OBJCC_E

  6426. OBJCC_O=$OBJCC_O

  6427. CC_C=$CC_C

  6428. CC_E=$CC_E

  6429. CC_O=$CC_O

  6430. CXX_C=$CXX_C

  6431. CXX_O=$CXX_O

  6432. LD_O=$LD_O

  6433. LD_LIB=$LD_LIB

  6434. LD_PATH=$LD_PATH

  6435. DLLTOOL=$dlltool

  6436. WINDRES=$windres

  6437. DEPWINDRES=$dep_cc

  6438. DOXYGEN=$doxygen

  6439. LDFLAGS=$LDFLAGS

  6440. LDEXEFLAGS=$LDEXEFLAGS

  6441. LDLIBFLAGS=$LDLIBFLAGS

  6442. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6443. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6444. YASMFLAGS=$YASMFLAGS

  6445. BUILDSUF=$build_suffix

  6446. PROGSSUF=$progs_suffix

  6447. FULLNAME=$FULLNAME

  6448. LIBPREF=$LIBPREF

  6449. LIBSUF=$LIBSUF

  6450. LIBNAME=$LIBNAME

  6451. SLIBPREF=$SLIBPREF

  6452. SLIBSUF=$SLIBSUF

  6453. EXESUF=$EXESUF

  6454. EXTRA_VERSION=$extra_version

  6455. CCDEP=$CCDEP

  6456. CXXDEP=$CXXDEP

  6457. CCDEP_FLAGS=$CCDEP_FLAGS

  6458. ASDEP=$ASDEP

  6459. ASDEP_FLAGS=$ASDEP_FLAGS

  6460. CC_DEPFLAGS=$CC_DEPFLAGS

  6461. AS_DEPFLAGS=$AS_DEPFLAGS

  6462. HOSTCC=$host_cc

  6463. HOSTLD=$host_ld

  6464. HOSTCFLAGS=$host_cflags

  6465. HOSTCPPFLAGS=$host_cppflags

  6466. HOSTEXESUF=$HOSTEXESUF

  6467. HOSTLDFLAGS=$host_ldflags

  6468. HOSTLIBS=$host_libs

  6469. DEPHOSTCC=$host_cc

  6470. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6471. HOSTCCDEP=$HOSTCCDEP

  6472. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6473. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6474. HOSTCC_C=$HOSTCC_C

  6475. HOSTCC_O=$HOSTCC_O

  6476. HOSTLD_O=$HOSTLD_O

  6477. TARGET_EXEC=$target_exec $target_exec_args

  6478. TARGET_PATH=$target_path

  6479. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6480. CFLAGS-ffplay=$sdl_cflags

  6481. ZLIB=$($ldflags_filter -lz)

  6482. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6483. EXTRALIBS=$extralibs

  6484. COMPAT_OBJS=$compat_objs

  6485. EXEOBJS=$exeobjs

  6486. INSTALL=$install

  6487. LIBTARGET=${LIBTARGET}

  6488. SLIBNAME=${SLIBNAME}

  6489. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6490. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6491. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6492. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6493. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6494. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6495. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6496. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6497. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6498. NOREDZONE_FLAGS=$noredzone_flags

  6499. EOF

  6500. 

  6501. get_version(){

  6502.     lcname=lib${1}

  6503.     name=$(toupper $lcname)

  6504.     file=$source_path/$lcname/version.h

  6505.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6506.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6507.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6508.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6509.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6510.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6511. }

  6512. 

  6513. map 'get_version $v' $LIBRARY_LIST

  6514. 

  6515. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6516. 

  6517. print_program_libs(){

  6518.     eval "program_libs=\$${1}_libs"

  6519.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6520. }

  6521. 

  6522. map 'print_program_libs $v' $PROGRAM_LIST

  6523. 

  6524. cat > $TMPH <<EOF

  6525. /* Automatically generated by configure - do not modify! */

  6526. #ifndef FFMPEG_CONFIG_H

  6527. #define FFMPEG_CONFIG_H

  6528. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6529. #define FFMPEG_LICENSE "$(c_escape $license)"

  6530. #define CONFIG_THIS_YEAR 2016

  6531. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6532. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6533. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6534. #define av_restrict $_restrict

  6535. #define EXTERN_PREFIX "${extern_prefix}"

  6536. #define EXTERN_ASM ${extern_prefix}

  6537. #define BUILDSUF "$build_suffix"

  6538. #define SLIBSUF "$SLIBSUF"

  6539. #define HAVE_MMX2 HAVE_MMXEXT

  6540. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6541. EOF

  6542. 

  6543. test -n "$assert_level" &&

  6544.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6545. 

  6546. test -n "$malloc_prefix" &&

  6547.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6548. 

  6549. if enabled yasm; then

  6550.     append config_files $TMPASM

  6551.     printf '' >$TMPASM

  6552. fi

  6553. 

  6554. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6555. 

  6556. 

  6557. mkdir -p doc

  6558. mkdir -p tests

  6559. mkdir -p tests/api

  6560. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6561. 

  6562. print_config ARCH_   "$config_files" $ARCH_LIST

  6563. print_config HAVE_   "$config_files" $HAVE_LIST

  6564. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6565.                                      $CONFIG_EXTRA      \

  6566.                                      $ALL_COMPONENTS    \

  6567. 

  6568. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6569. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6570. 

  6571. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6572. cp_if_changed $TMPH config.h

  6573. touch .config

  6574. 

  6575. enabled yasm && cp_if_changed $TMPASM config.asm

  6576. 

  6577. cat > $TMPH <<EOF

  6578. /* Generated by ffconf */

  6579. #ifndef AVUTIL_AVCONFIG_H

  6580. #define AVUTIL_AVCONFIG_H

  6581. EOF

  6582. 

  6583. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6584. 

  6585. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6586. 

  6587. cp_if_changed $TMPH libavutil/avconfig.h

  6588. 

  6589. if test -n "$WARNINGS"; then

  6590.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6591.     enabled fatal_warnings && exit 1

  6592. fi

  6593. 

  6594. # build pkg-config files

  6595. 

  6596. lib_version(){

  6597.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6598. }

  6599. 

  6600. pkgconfig_generate(){

  6601.     name=$1

  6602.     shortname=${name#lib}${build_suffix}

  6603.     comment=$2

  6604.     version=$3

  6605.     libs=$4

  6606.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6607.     requires=${requires%, }

  6608.     enabled ${name#lib} || return 0

  6609.     mkdir -p $name

  6610.     cat <<EOF > $name/$name${build_suffix}.pc

  6611. prefix=$prefix

  6612. exec_prefix=\${prefix}

  6613. libdir=$libdir

  6614. includedir=$incdir

  6615. 

  6616. Name: $name

  6617. Description: $comment

  6618. Version: $version

  6619. Requires: $(enabled shared || echo $requires)

  6620. Requires.private: $(enabled shared && echo $requires)

  6621. Conflicts:

  6622. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6623. Libs.private: $(enabled shared && echo $libs)

  6624. Cflags: -I\${includedir}

  6625. EOF

  6626. 

  6627. mkdir -p doc/examples/pc-uninstalled

  6628. includedir=${source_path}

  6629. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6630.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6631. prefix=

  6632. exec_prefix=

  6633. libdir=\${pcfiledir}/../../../$name

  6634. includedir=${includedir}

  6635. 

  6636. Name: $name

  6637. Description: $comment

  6638. Version: $version

  6639. Requires: $requires

  6640. Conflicts:

  6641. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6642. Cflags: -I\${includedir}

  6643. EOF

  6644. }

  6645. 

  6646. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6647. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6648. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6649. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6650. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6651. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6652. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6653. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6654. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"