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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. 

  95. Licensing options:

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

  97.                            and binaries will be under GPL [no]

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

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

  100.                            and binaries will be unredistributable [no]

  101. 

  102. Configuration options:

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

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

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

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

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

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

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

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

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

  112. 

  113. Program options:

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

  115.   --disable-ffmpeg         disable ffmpeg build

  116.   --disable-ffplay         disable ffplay build

  117.   --disable-ffprobe        disable ffprobe build

  118.   --disable-ffserver       disable ffserver build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

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

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

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

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

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

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

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

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

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

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

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

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

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

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

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

  150. 

  151. Hardware accelerators:

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

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

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

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

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

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

  158. 

  159. Individual component options:

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

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

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

  163.   --disable-encoders       disable all encoders

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

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

  166.   --disable-decoders       disable all decoders

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

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

  169.   --disable-hwaccels       disable all hwaccels

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

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

  172.   --disable-muxers         disable all muxers

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

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

  175.   --disable-demuxers       disable all demuxers

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

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

  178.   --disable-parsers        disable all parsers

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

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

  181.   --disable-bsfs           disable all bitstream filters

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

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

  184.   --disable-protocols      disable all protocols

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

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

  187.   --disable-indevs         disable input devices

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

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

  190.   --disable-outdevs        disable output devices

  191.   --disable-devices        disable all devices

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

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

  194.   --disable-filters        disable all filters

  195. 

  196. External library support:

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

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

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

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

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

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

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

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

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

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

  207.                            if openssl is not used [no]

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

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

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

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

  212.                            needed for subtitles and ass filter [no]

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

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

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

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

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

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

  219.                            and libraw1394 [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  235.                            native (de)muxer exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  253.   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]

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

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

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

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

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

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

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

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

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

  263.                            native implementation exists [no]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  279.   --disable-lzma           disable lzma [autodetect]

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

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

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

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

  284.   --enable-opencl          enable OpenCL code

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

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

  287.                            if gnutls is not used [no]

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

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

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

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

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

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

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

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

  296. 

  297. Toolchain options:

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

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

  300.                            instruction selection, may crash on older CPUs)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  345. 

  346. Advanced options (experts only):

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

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

  349.   --disable-symver         disable symbol versioning

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

  351.   --disable-safe-bitstream-reader

  352.                            disable buffer boundary checking in bitreaders

  353.                            (faster, but may crash)

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

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

  356. 

  357. Optimization options (experts only):

  358.   --disable-asm            disable all assembly optimizations

  359.   --disable-altivec        disable AltiVec optimizations

  360.   --disable-vsx            disable VSX optimizations

  361.   --disable-power8         disable POWER8 optimizations

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

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

  364.   --disable-mmx            disable MMX optimizations

  365.   --disable-mmxext         disable MMXEXT optimizations

  366.   --disable-sse            disable SSE optimizations

  367.   --disable-sse2           disable SSE2 optimizations

  368.   --disable-sse3           disable SSE3 optimizations

  369.   --disable-ssse3          disable SSSE3 optimizations

  370.   --disable-sse4           disable SSE4 optimizations

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

  372.   --disable-avx            disable AVX optimizations

  373.   --disable-xop            disable XOP optimizations

  374.   --disable-fma3           disable FMA3 optimizations

  375.   --disable-fma4           disable FMA4 optimizations

  376.   --disable-avx2           disable AVX2 optimizations

  377.   --disable-aesni          disable AESNI optimizations

  378.   --disable-armv5te        disable armv5te optimizations

  379.   --disable-armv6          disable armv6 optimizations

  380.   --disable-armv6t2        disable armv6t2 optimizations

  381.   --disable-vfp            disable VFP optimizations

  382.   --disable-neon           disable NEON optimizations

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

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

  385.   --disable-mips32r5       disable MIPS32R5 optimizations

  386.   --disable-mips64r6       disable MIPS64R6 optimizations

  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_ldflags(){

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

  811. }

  812. 

  813. add_ldexeflags(){

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

  815. }

  816. 

  817. add_ldlibflags(){

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

  819. }

  820. 

  821. add_stripflags(){

  822.     append ASMSTRIPFLAGS "$@"

  823. }

  824. 

  825. add_extralibs(){

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

  827. }

  828. 

  829. add_host_cppflags(){

  830.     append host_cppflags "$@"

  831. }

  832. 

  833. add_host_cflags(){

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

  835. }

  836. 

  837. add_host_ldflags(){

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

  839. }

  840. 

  841. add_compat(){

  842.     append compat_objs $1

  843.     shift

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

  845. }

  846. 

  847. check_cmd(){

  848.     log "$@"

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

  850. }

  851. 

  852. check_stat(){

  853.     log check_stat "$@"

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

  855. }

  856. 

  857. cc_o(){

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

  859. }

  860. 

  861. cc_e(){

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

  863. }

  864. 

  865. check_cc(){

  866.     log check_cc "$@"

  867.     cat > $TMPC

  868.     log_file $TMPC

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

  870. }

  871. 

  872. check_cxx(){

  873.     log check_cxx "$@"

  874.     cat > $TMPCPP

  875.     log_file $TMPCPP

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

  877. }

  878. 

  879. check_oc(){

  880.     log check_oc "$@"

  881.     cat > $TMPM

  882.     log_file $TMPM

  883.     check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM

  884. }

  885. 

  886. check_cpp(){

  887.     log check_cpp "$@"

  888.     cat > $TMPC

  889.     log_file $TMPC

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

  891. }

  892. 

  893. as_o(){

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

  895. }

  896. 

  897. check_as(){

  898.     log check_as "$@"

  899.     cat > $TMPS

  900.     log_file $TMPS

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

  902. }

  903. 

  904. check_inline_asm(){

  905.     log check_inline_asm "$@"

  906.     name="$1"

  907.     code="$2"

  908.     shift 2

  909.     disable $name

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

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

  912. EOF

  913. }

  914. 

  915. check_insn(){

  916.     log check_insn "$@"

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

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

  919. }

  920. 

  921. check_yasm(){

  922.     log check_yasm "$@"

  923.     echo "$1" > $TMPS

  924.     log_file $TMPS

  925.     shift 1

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

  927. }

  928. 

  929. ld_o(){

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

  931. }

  932. 

  933. check_ld(){

  934.     log check_ld "$@"

  935.     type=$1

  936.     shift 1

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

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

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

  940.     flags=$($ldflags_filter $flags)

  941.     libs=$($ldflags_filter $libs)

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

  943. }

  944. 

  945. print_include(){

  946.     hdr=$1

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

  948.         echo "#include $hdr"    ||

  949.         echo "#include <$hdr>"

  950. }

  951. 

  952. check_code(){

  953.     log check_code "$@"

  954.     check=$1

  955.     headers=$2

  956.     code=$3

  957.     shift 3

  958.     {

  959.         for hdr in $headers; do

  960.             print_include $hdr

  961.         done

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

  963.     } | check_$check "$@"

  964. }

  965. 

  966. check_cppflags(){

  967.     log check_cppflags "$@"

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

  969. int x;

  970. EOF

  971. }

  972. 

  973. test_cflags(){

  974.     log test_cflags "$@"

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

  976.     check_cc "$@" <<EOF

  977. int x;

  978. EOF

  979. }

  980. 

  981. check_cflags(){

  982.     log check_cflags "$@"

  983.     test_cflags "$@" && add_cflags "$@"

  984. }

  985. 

  986. check_cxxflags(){

  987.     log check_cxxflags "$@"

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

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

  990. int x;

  991. EOF

  992. }

  993. 

  994. test_ldflags(){

  995.     log test_ldflags "$@"

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

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

  998. EOF

  999. }

  1000. 

  1001. check_ldflags(){

  1002.     log check_ldflags "$@"

  1003.     test_ldflags "$@" && add_ldflags "$@"

  1004. }

  1005. 

  1006. test_stripflags(){

  1007.     log test_stripflags "$@"

  1008.     # call check_cc to get a fresh TMPO

  1009.     check_cc <<EOF

  1010. int main(void) { return 0; }

  1011. EOF

  1012.     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1013. }

  1014. 

  1015. check_stripflags(){

  1016.     log check_stripflags "$@"

  1017.     test_stripflags "$@" && add_stripflags "$@"

  1018. }

  1019. 

  1020. check_header(){

  1021.     log check_header "$@"

  1022.     header=$1

  1023.     shift

  1024.     disable_safe $header

  1025.     check_cpp "$@" <<EOF && enable_safe $header

  1026. #include <$header>

  1027. int x;

  1028. EOF

  1029. }

  1030. 

  1031. check_header_oc(){

  1032.     log check_header_oc "$@"

  1033.     rm -f -- "$TMPO"

  1034.     header=$1

  1035.     shift

  1036.     disable_safe $header

  1037.     {

  1038.        echo "#include <$header>"

  1039.        echo "int main(void) { return 0; }"

  1040.     } | check_oc && check_stat "$TMPO" && enable_safe $headers

  1041. }

  1042. 

  1043. check_func(){

  1044.     log check_func "$@"

  1045.     func=$1

  1046.     shift

  1047.     disable $func

  1048.     check_ld "cc" "$@" <<EOF && enable $func

  1049. extern int $func();

  1050. int main(void){ $func(); }

  1051. EOF

  1052. }

  1053. 

  1054. check_complexfunc(){

  1055.     log check_complexfunc "$@"

  1056.     func=$1

  1057.     narg=$2

  1058.     shift 2

  1059.     test $narg = 2 && args="f, g" || args="f * I"

  1060.     disable $func

  1061.     check_ld "cc" "$@" <<EOF && enable $func

  1062. #include <complex.h>

  1063. #include <math.h>

  1064. float foo(complex float f, complex float g) { return $func($args); }

  1065. int main(void){ return (int) foo; }

  1066. EOF

  1067. }

  1068. 

  1069. check_mathfunc(){

  1070.     log check_mathfunc "$@"

  1071.     func=$1

  1072.     narg=$2

  1073.     shift 2

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

  1075.     disable $func

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

  1077. #include <math.h>

  1078. float foo(float f, float g) { return $func($args); }

  1079. int main(void){ return (int) foo; }

  1080. EOF

  1081. }

  1082. 

  1083. check_func_headers(){

  1084.     log check_func_headers "$@"

  1085.     headers=$1

  1086.     funcs=$2

  1087.     shift 2

  1088.     {

  1089.         for hdr in $headers; do

  1090.             print_include $hdr

  1091.         done

  1092.         for func in $funcs; do

  1093.             echo "long check_$func(void) { return (long) $func; }"

  1094.         done

  1095.         echo "int main(void) { return 0; }"

  1096.     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers

  1097. }

  1098. 

  1099. check_class_headers_cpp(){

  1100.     log check_class_headers_cpp "$@"

  1101.     headers=$1

  1102.     classes=$2

  1103.     shift 2

  1104.     {

  1105.         for hdr in $headers; do

  1106.             echo "#include <$hdr>"

  1107.         done

  1108.         echo "int main(void) { "

  1109.         i=1

  1110.         for class in $classes; do

  1111.             echo "$class obj$i;"

  1112.             i=$(expr $i + 1)

  1113.         done

  1114.         echo "return 0; }"

  1115.     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers

  1116. }

  1117. 

  1118. check_cpp_condition(){

  1119.     log check_cpp_condition "$@"

  1120.     header=$1

  1121.     condition=$2

  1122.     shift 2

  1123.     check_cpp "$@" <<EOF

  1124. #include <$header>

  1125. #if !($condition)

  1126. #error "unsatisfied condition: $condition"

  1127. #endif

  1128. EOF

  1129. }

  1130. 

  1131. check_lib(){

  1132.     log check_lib "$@"

  1133.     header="$1"

  1134.     func="$2"

  1135.     shift 2

  1136.     check_header $header && check_func $func "$@" && add_extralibs "$@"

  1137. }

  1138. 

  1139. check_lib2(){

  1140.     log check_lib2 "$@"

  1141.     headers="$1"

  1142.     funcs="$2"

  1143.     shift 2

  1144.     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"

  1145. }

  1146. 

  1147. check_lib_cpp(){

  1148.     log check_lib_cpp "$@"

  1149.     headers="$1"

  1150.     classes="$2"

  1151.     shift 2

  1152.     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"

  1153. }

  1154. 

  1155. check_pkg_config(){

  1156.     log check_pkg_config "$@"

  1157.     pkgandversion="$1"

  1158.     pkg="${1%% *}"

  1159.     headers="$2"

  1160.     funcs="$3"

  1161.     shift 3

  1162.     check_cmd $pkg_config --exists --print-errors $pkgandversion || return

  1163.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1164.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1165.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1166.         set_safe "${pkg}_cflags" $pkg_cflags   &&

  1167.         set_safe "${pkg}_libs"   $pkg_libs

  1168. }

  1169. 

  1170. check_exec(){

  1171.     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1172. }

  1173. 

  1174. check_exec_crash(){

  1175.     code=$(cat)

  1176. 

  1177.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1178.     # are safe but may not be available everywhere.  Thus we use

  1179.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1180.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1181.     # is not defined by standard C so it is used conditionally.

  1182. 

  1183.     (check_exec "$@") >> $logfile 2>&1 <<EOF

  1184. #include <signal.h>

  1185. static void sighandler(int sig){

  1186.     raise(SIGTERM);

  1187. }

  1188. int foo(void){

  1189.     $code

  1190. }

  1191. int (*func_ptr)(void) = foo;

  1192. int main(void){

  1193.     signal(SIGILL, sighandler);

  1194.     signal(SIGFPE, sighandler);

  1195.     signal(SIGSEGV, sighandler);

  1196. #ifdef SIGBUS

  1197.     signal(SIGBUS, sighandler);

  1198. #endif

  1199.     return func_ptr();

  1200. }

  1201. EOF

  1202. }

  1203. 

  1204. check_type(){

  1205.     log check_type "$@"

  1206.     headers=$1

  1207.     type=$2

  1208.     shift 2

  1209.     disable_safe "$type"

  1210.     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"

  1211. }

  1212. 

  1213. check_struct(){

  1214.     log check_struct "$@"

  1215.     headers=$1

  1216.     struct=$2

  1217.     member=$3

  1218.     shift 3

  1219.     disable_safe "${struct}_${member}"

  1220.     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1221.         enable_safe "${struct}_${member}"

  1222. }

  1223. 

  1224. check_builtin(){

  1225.     log check_builtin "$@"

  1226.     name=$1

  1227.     headers=$2

  1228.     builtin=$3

  1229.     shift 3

  1230.     disable "$name"

  1231.     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1232. }

  1233. 

  1234. check_compile_assert(){

  1235.     log check_compile_assert "$@"

  1236.     name=$1

  1237.     headers=$2

  1238.     condition=$3

  1239.     shift 3

  1240.     disable "$name"

  1241.     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1242. }

  1243. 

  1244. require(){

  1245.     name="$1"

  1246.     header="$2"

  1247.     func="$3"

  1248.     shift 3

  1249.     check_lib $header $func "$@" || die "ERROR: $name not found"

  1250. }

  1251. 

  1252. require2(){

  1253.     name="$1"

  1254.     headers="$2"

  1255.     func="$3"

  1256.     shift 3

  1257.     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"

  1258. }

  1259. 

  1260. require_cpp(){

  1261.     name="$1"

  1262.     headers="$2"

  1263.     classes="$3"

  1264.     shift 3

  1265.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1266. }

  1267. 

  1268. use_pkg_config(){

  1269.     pkg="$1"

  1270.     check_pkg_config "$@" || return 1

  1271.     add_cflags    $(get_safe "${pkg}_cflags")

  1272.     add_extralibs $(get_safe "${pkg}_libs")

  1273. }

  1274. 

  1275. require_pkg_config(){

  1276.     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"

  1277. }

  1278. 

  1279. require_libfreetype(){

  1280.     log require_libfreetype "$@"

  1281.     pkg="freetype2"

  1282.     check_cmd $pkg_config --exists --print-errors $pkg \

  1283.       || die "ERROR: $pkg not found"

  1284.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1285.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1286.     {

  1287.         echo "#include <ft2build.h>"

  1288.         echo "#include FT_FREETYPE_H"

  1289.         echo "long check_func(void) { return (long) FT_Init_FreeType; }"

  1290.         echo "int main(void) { return 0; }"

  1291.     } | check_ld "cc" $pkg_cflags $pkg_libs \

  1292.       && set_safe "${pkg}_cflags" $pkg_cflags \

  1293.       && set_safe "${pkg}_libs"   $pkg_libs \

  1294.       || die "ERROR: $pkg not found"

  1295.     add_cflags    $(get_safe "${pkg}_cflags")

  1296.     add_extralibs $(get_safe "${pkg}_libs")

  1297. }

  1298. 

  1299. hostcc_e(){

  1300.     eval printf '%s\\n' $HOSTCC_E

  1301. }

  1302. 

  1303. hostcc_o(){

  1304.     eval printf '%s\\n' $HOSTCC_O

  1305. }

  1306. 

  1307. check_host_cc(){

  1308.     log check_host_cc "$@"

  1309.     cat > $TMPC

  1310.     log_file $TMPC

  1311.     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1312. }

  1313. 

  1314. check_host_cpp(){

  1315.     log check_host_cpp "$@"

  1316.     cat > $TMPC

  1317.     log_file $TMPC

  1318.     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1319. }

  1320. 

  1321. check_host_cppflags(){

  1322.     log check_host_cppflags "$@"

  1323.     check_host_cc "$@" <<EOF && append host_cppflags "$@"

  1324. int x;

  1325. EOF

  1326. }

  1327. 

  1328. check_host_cflags(){

  1329.     log check_host_cflags "$@"

  1330.     set -- $($host_cflags_filter "$@")

  1331.     check_host_cc "$@" <<EOF && append host_cflags "$@"

  1332. int x;

  1333. EOF

  1334. }

  1335. 

  1336. check_host_cpp_condition(){

  1337.     log check_host_cpp_condition "$@"

  1338.     header=$1

  1339.     condition=$2

  1340.     shift 2

  1341.     check_host_cpp "$@" <<EOF

  1342. #include <$header>

  1343. #if !($condition)

  1344. #error "unsatisfied condition: $condition"

  1345. #endif

  1346. EOF

  1347. }

  1348. 

  1349. cp_if_changed(){

  1350.     cmp -s "$1" "$2" && echo "$2 is unchanged" && return

  1351.     mkdir -p "$(dirname $2)"

  1352.     $cp_f "$1" "$2"

  1353. }

  1354. 

  1355. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1356. # system-dependent things.

  1357. 

  1358. AVCODEC_COMPONENTS="

  1359.     bsfs

  1360.     decoders

  1361.     encoders

  1362.     hwaccels

  1363.     parsers

  1364. "

  1365. 

  1366. AVDEVICE_COMPONENTS="

  1367.     indevs

  1368.     outdevs

  1369. "

  1370. AVFILTER_COMPONENTS="

  1371.     filters

  1372. "

  1373. AVFORMAT_COMPONENTS="

  1374.     demuxers

  1375.     muxers

  1376.     protocols

  1377. "

  1378. 

  1379. AVRESAMPLE_COMPONENTS=""

  1380. AVUTIL_COMPONENTS=""

  1381. 

  1382. COMPONENT_LIST="

  1383.     $AVCODEC_COMPONENTS

  1384.     $AVDEVICE_COMPONENTS

  1385.     $AVFILTER_COMPONENTS

  1386.     $AVFORMAT_COMPONENTS

  1387.     $AVRESAMPLE_COMPONENTS

  1388.     $AVUTIL_COMPONENTS

  1389. "

  1390. 

  1391. EXAMPLE_LIST="

  1392.     avio_reading_example

  1393.     avio_dir_cmd_example

  1394.     decoding_encoding_example

  1395.     demuxing_decoding_example

  1396.     extract_mvs_example

  1397.     filter_audio_example

  1398.     filtering_audio_example

  1399.     filtering_video_example

  1400.     metadata_example

  1401.     muxing_example

  1402.     qsvdec_example

  1403.     remuxing_example

  1404.     resampling_audio_example

  1405.     scaling_video_example

  1406.     transcode_aac_example

  1407.     transcoding_example

  1408. "

  1409. 

  1410. EXTERNAL_LIBRARY_LIST="

  1411.     avisynth

  1412.     bzlib

  1413.     chromaprint

  1414.     crystalhd

  1415.     decklink

  1416.     frei0r

  1417.     gcrypt

  1418.     gmp

  1419.     gnutls

  1420.     iconv

  1421.     ladspa

  1422.     libaacplus

  1423.     libass

  1424.     libbluray

  1425.     libbs2b

  1426.     libcaca

  1427.     libcdio

  1428.     libcelt

  1429.     libdc1394

  1430.     libdcadec

  1431.     libfaac

  1432.     libfdk_aac

  1433.     libflite

  1434.     libfontconfig

  1435.     libfreetype

  1436.     libfribidi

  1437.     libgme

  1438.     libgsm

  1439.     libiec61883

  1440.     libilbc

  1441.     libkvazaar

  1442.     libmfx

  1443.     libmodplug

  1444.     libmp3lame

  1445.     libnut

  1446.     libopencore_amrnb

  1447.     libopencore_amrwb

  1448.     libopencv

  1449.     libopenh264

  1450.     libopenjpeg

  1451.     libopus

  1452.     libpulse

  1453.     libquvi

  1454.     librtmp

  1455.     librubberband

  1456.     libschroedinger

  1457.     libshine

  1458.     libsmbclient

  1459.     libsnappy

  1460.     libsoxr

  1461.     libspeex

  1462.     libssh

  1463.     libstagefright_h264

  1464.     libtesseract

  1465.     libtheora

  1466.     libtwolame

  1467.     libutvideo

  1468.     libv4l2

  1469.     libvidstab

  1470.     libvo_aacenc

  1471.     libvo_amrwbenc

  1472.     libvorbis

  1473.     libvpx

  1474.     libwavpack

  1475.     libwebp

  1476.     libx264

  1477.     libx265

  1478.     libxavs

  1479.     libxcb

  1480.     libxcb_shm

  1481.     libxcb_shape

  1482.     libxcb_xfixes

  1483.     libxvid

  1484.     libzimg

  1485.     libzmq

  1486.     libzvbi

  1487.     lzma

  1488.     mmal

  1489.     nvenc

  1490.     openal

  1491.     opencl

  1492.     opengl

  1493.     openssl

  1494.     schannel

  1495.     sdl

  1496.     securetransport

  1497.     x11grab

  1498.     xlib

  1499.     zlib

  1500. "

  1501. 

  1502. DOCUMENT_LIST="

  1503.     doc

  1504.     htmlpages

  1505.     manpages

  1506.     podpages

  1507.     txtpages

  1508. "

  1509. 

  1510. FEATURE_LIST="

  1511.     ftrapv

  1512.     gray

  1513.     hardcoded_tables

  1514.     runtime_cpudetect

  1515.     safe_bitstream_reader

  1516.     shared

  1517.     small

  1518.     static

  1519.     swscale_alpha

  1520. "

  1521. 

  1522. HWACCEL_LIST="

  1523.     d3d11va

  1524.     dxva2

  1525.     vaapi

  1526.     vda

  1527.     vdpau

  1528.     videotoolbox

  1529.     xvmc

  1530. "

  1531. 

  1532. LIBRARY_LIST="

  1533.     avcodec

  1534.     avdevice

  1535.     avfilter

  1536.     avformat

  1537.     avresample

  1538.     avutil

  1539.     postproc

  1540.     swresample

  1541.     swscale

  1542. "

  1543. 

  1544. LICENSE_LIST="

  1545.     gpl

  1546.     nonfree

  1547.     version3

  1548. "

  1549. 

  1550. PROGRAM_LIST="

  1551.     ffplay

  1552.     ffprobe

  1553.     ffserver

  1554.     ffmpeg

  1555. "

  1556. 

  1557. SUBSYSTEM_LIST="

  1558.     dct

  1559.     dwt

  1560.     error_resilience

  1561.     faan

  1562.     fast_unaligned

  1563.     fft

  1564.     lsp

  1565.     lzo

  1566.     mdct

  1567.     pixelutils

  1568.     network

  1569.     rdft

  1570. "

  1571. 

  1572. CONFIG_LIST="

  1573.     $COMPONENT_LIST

  1574.     $DOCUMENT_LIST

  1575.     $EXAMPLE_LIST

  1576.     $EXTERNAL_LIBRARY_LIST

  1577.     $FEATURE_LIST

  1578.     $HWACCEL_LIST

  1579.     $LICENSE_LIST

  1580.     $LIBRARY_LIST

  1581.     $PROGRAM_LIST

  1582.     $SUBSYSTEM_LIST

  1583.     fontconfig

  1584.     incompatible_libav_abi

  1585.     memalign_hack

  1586.     memory_poisoning

  1587.     neon_clobber_test

  1588.     pic

  1589.     pod2man

  1590.     raise_major

  1591.     thumb

  1592.     valgrind_backtrace

  1593.     xmm_clobber_test

  1594. "

  1595. 

  1596. THREADS_LIST="

  1597.     pthreads

  1598.     os2threads

  1599.     w32threads

  1600. "

  1601. 

  1602. ATOMICS_LIST="

  1603.     atomics_gcc

  1604.     atomics_suncc

  1605.     atomics_win32

  1606. "

  1607. 

  1608. ARCH_LIST="

  1609.     aarch64

  1610.     alpha

  1611.     arm

  1612.     avr32

  1613.     avr32_ap

  1614.     avr32_uc

  1615.     bfin

  1616.     ia64

  1617.     m68k

  1618.     mips

  1619.     mips64

  1620.     parisc

  1621.     ppc

  1622.     ppc64

  1623.     s390

  1624.     sh4

  1625.     sparc

  1626.     sparc64

  1627.     tilegx

  1628.     tilepro

  1629.     tomi

  1630.     x86

  1631.     x86_32

  1632.     x86_64

  1633. "

  1634. 

  1635. ARCH_EXT_LIST_ARM="

  1636.     armv5te

  1637.     armv6

  1638.     armv6t2

  1639.     armv8

  1640.     neon

  1641.     vfp

  1642.     vfpv3

  1643.     setend

  1644. "

  1645. 

  1646. ARCH_EXT_LIST_MIPS="

  1647.     mipsfpu

  1648.     mips32r2

  1649.     mips32r5

  1650.     mips64r6

  1651.     mipsdsp

  1652.     mipsdspr2

  1653.     msa

  1654. "

  1655. 

  1656. ARCH_EXT_LIST_LOONGSON="

  1657.     loongson2

  1658.     loongson3

  1659.     mmi

  1660. "

  1661. 

  1662. ARCH_EXT_LIST_X86_SIMD="

  1663.     aesni

  1664.     amd3dnow

  1665.     amd3dnowext

  1666.     avx

  1667.     avx2

  1668.     fma3

  1669.     fma4

  1670.     mmx

  1671.     mmxext

  1672.     sse

  1673.     sse2

  1674.     sse3

  1675.     sse4

  1676.     sse42

  1677.     ssse3

  1678.     xop

  1679. "

  1680. 

  1681. ARCH_EXT_LIST_PPC="

  1682.     altivec

  1683.     dcbzl

  1684.     ldbrx

  1685.     power8

  1686.     ppc4xx

  1687.     vsx

  1688. "

  1689. 

  1690. ARCH_EXT_LIST_X86="

  1691.     $ARCH_EXT_LIST_X86_SIMD

  1692.     cpunop

  1693.     i686

  1694. "

  1695. 

  1696. ARCH_EXT_LIST="

  1697.     $ARCH_EXT_LIST_ARM

  1698.     $ARCH_EXT_LIST_PPC

  1699.     $ARCH_EXT_LIST_X86

  1700.     $ARCH_EXT_LIST_MIPS

  1701.     $ARCH_EXT_LIST_LOONGSON

  1702. "

  1703. 

  1704. ARCH_FEATURES="

  1705.     aligned_stack

  1706.     fast_64bit

  1707.     fast_clz

  1708.     fast_cmov

  1709.     local_aligned_8

  1710.     local_aligned_16

  1711.     local_aligned_32

  1712.     simd_align_16

  1713. "

  1714. 

  1715. BUILTIN_LIST="

  1716.     atomic_cas_ptr

  1717.     atomic_compare_exchange

  1718.     machine_rw_barrier

  1719.     MemoryBarrier

  1720.     mm_empty

  1721.     rdtsc

  1722.     sarestart

  1723.     sync_val_compare_and_swap

  1724. "

  1725. HAVE_LIST_CMDLINE="

  1726.     inline_asm

  1727.     symver

  1728.     yasm

  1729. "

  1730. 

  1731. HAVE_LIST_PUB="

  1732.     bigendian

  1733.     fast_unaligned

  1734.     incompatible_libav_abi

  1735. "

  1736. 

  1737. HEADERS_LIST="

  1738.     alsa_asoundlib_h

  1739.     altivec_h

  1740.     arpa_inet_h

  1741.     asm_types_h

  1742.     cdio_paranoia_h

  1743.     cdio_paranoia_paranoia_h

  1744.     dev_bktr_ioctl_bt848_h

  1745.     dev_bktr_ioctl_meteor_h

  1746.     dev_ic_bt8xx_h

  1747.     dev_video_bktr_ioctl_bt848_h

  1748.     dev_video_meteor_ioctl_meteor_h

  1749.     direct_h

  1750.     dirent_h

  1751.     dlfcn_h

  1752.     d3d11_h

  1753.     dxva_h

  1754.     ES2_gl_h

  1755.     gsm_h

  1756.     io_h

  1757.     mach_mach_time_h

  1758.     machine_ioctl_bt848_h

  1759.     machine_ioctl_meteor_h

  1760.     malloc_h

  1761.     openjpeg_1_5_openjpeg_h

  1762.     OpenGL_gl3_h

  1763.     poll_h

  1764.     sndio_h

  1765.     soundcard_h

  1766.     sys_mman_h

  1767.     sys_param_h

  1768.     sys_resource_h

  1769.     sys_select_h

  1770.     sys_soundcard_h

  1771.     sys_time_h

  1772.     sys_un_h

  1773.     sys_videoio_h

  1774.     termios_h

  1775.     udplite_h

  1776.     unistd_h

  1777.     valgrind_valgrind_h

  1778.     windows_h

  1779.     winsock2_h

  1780. "

  1781. 

  1782. INTRINSICS_LIST="

  1783.     intrinsics_neon

  1784. "

  1785. 

  1786. COMPLEX_FUNCS="

  1787.     cabs

  1788.     cexp

  1789. "

  1790. 

  1791. MATH_FUNCS="

  1792.     atanf

  1793.     atan2f

  1794.     cbrt

  1795.     cbrtf

  1796.     copysign

  1797.     cosf

  1798.     erf

  1799.     exp2

  1800.     exp2f

  1801.     expf

  1802.     hypot

  1803.     isinf

  1804.     isnan

  1805.     ldexpf

  1806.     llrint

  1807.     llrintf

  1808.     log2

  1809.     log2f

  1810.     log10f

  1811.     lrint

  1812.     lrintf

  1813.     powf

  1814.     rint

  1815.     round

  1816.     roundf

  1817.     sinf

  1818.     trunc

  1819.     truncf

  1820. "

  1821. 

  1822. SYSTEM_FUNCS="

  1823.     access

  1824.     aligned_malloc

  1825.     clock_gettime

  1826.     closesocket

  1827.     CommandLineToArgvW

  1828.     CoTaskMemFree

  1829.     CryptGenRandom

  1830.     dlopen

  1831.     fcntl

  1832.     flt_lim

  1833.     fork

  1834.     getaddrinfo

  1835.     gethrtime

  1836.     getopt

  1837.     GetProcessAffinityMask

  1838.     GetProcessMemoryInfo

  1839.     GetProcessTimes

  1840.     getrusage

  1841.     GetSystemTimeAsFileTime

  1842.     gettimeofday

  1843.     glob

  1844.     glXGetProcAddress

  1845.     gmtime_r

  1846.     inet_aton

  1847.     isatty

  1848.     jack_port_get_latency_range

  1849.     kbhit

  1850.     localtime_r

  1851.     lstat

  1852.     lzo1x_999_compress

  1853.     mach_absolute_time

  1854.     MapViewOfFile

  1855.     memalign

  1856.     mkstemp

  1857.     mmap

  1858.     mprotect

  1859.     nanosleep

  1860.     PeekNamedPipe

  1861.     posix_memalign

  1862.     pthread_cancel

  1863.     sched_getaffinity

  1864.     SetConsoleTextAttribute

  1865.     SetConsoleCtrlHandler

  1866.     setmode

  1867.     setrlimit

  1868.     Sleep

  1869.     strerror_r

  1870.     sysconf

  1871.     sysctl

  1872.     usleep

  1873.     UTGetOSTypeFromString

  1874.     VirtualAlloc

  1875.     wglGetProcAddress

  1876. "

  1877. 

  1878. TOOLCHAIN_FEATURES="

  1879.     as_dn_directive

  1880.     as_func

  1881.     as_object_arch

  1882.     asm_mod_q

  1883.     attribute_may_alias

  1884.     attribute_packed

  1885.     ebp_available

  1886.     ebx_available

  1887.     gnu_as

  1888.     gnu_windres

  1889.     ibm_asm

  1890.     inline_asm_labels

  1891.     inline_asm_nonlocal_labels

  1892.     inline_asm_direct_symbol_refs

  1893.     pragma_deprecated

  1894.     rsync_contimeout

  1895.     symver_asm_label

  1896.     symver_gnu_asm

  1897.     vfp_args

  1898.     xform_asm

  1899.     xmm_clobbers

  1900. "

  1901. 

  1902. TYPES_LIST="

  1903.     CONDITION_VARIABLE_Ptr

  1904.     socklen_t

  1905.     struct_addrinfo

  1906.     struct_group_source_req

  1907.     struct_ip_mreq_source

  1908.     struct_ipv6_mreq

  1909.     struct_pollfd

  1910.     struct_rusage_ru_maxrss

  1911.     struct_sctp_event_subscribe

  1912.     struct_sockaddr_in6

  1913.     struct_sockaddr_sa_len

  1914.     struct_sockaddr_storage

  1915.     struct_stat_st_mtim_tv_nsec

  1916.     struct_v4l2_frmivalenum_discrete

  1917. "

  1918. 

  1919. HAVE_LIST="

  1920.     $ARCH_EXT_LIST

  1921.     $(add_suffix _external $ARCH_EXT_LIST)

  1922.     $(add_suffix _inline   $ARCH_EXT_LIST)

  1923.     $ARCH_FEATURES

  1924.     $ATOMICS_LIST

  1925.     $BUILTIN_LIST

  1926.     $COMPLEX_FUNCS

  1927.     $HAVE_LIST_CMDLINE

  1928.     $HAVE_LIST_PUB

  1929.     $HEADERS_LIST

  1930.     $INTRINSICS_LIST

  1931.     $MATH_FUNCS

  1932.     $SYSTEM_FUNCS

  1933.     $THREADS_LIST

  1934.     $TOOLCHAIN_FEATURES

  1935.     $TYPES_LIST

  1936.     atomics_native

  1937.     dos_paths

  1938.     dxva2api_cobj

  1939.     dxva2_lib

  1940.     winrt

  1941.     libc_msvcrt

  1942.     libdc1394_1

  1943.     libdc1394_2

  1944.     makeinfo

  1945.     makeinfo_html

  1946.     perl

  1947.     pod2man

  1948.     sdl

  1949.     section_data_rel_ro

  1950.     texi2html

  1951.     threads

  1952.     vaapi_x11

  1953.     vdpau_x11

  1954.     xlib

  1955. "

  1956. 

  1957. # options emitted with CONFIG_ prefix but not available on the command line

  1958. CONFIG_EXTRA="

  1959.     aandcttables

  1960.     ac3dsp

  1961.     audio_frame_queue

  1962.     audiodsp

  1963.     blockdsp

  1964.     bswapdsp

  1965.     cabac

  1966.     dvprofile

  1967.     exif

  1968.     faandct

  1969.     faanidct

  1970.     fdctdsp

  1971.     flacdsp

  1972.     fmtconvert

  1973.     frame_thread_encoder

  1974.     g722dsp

  1975.     golomb

  1976.     gplv3

  1977.     h263dsp

  1978.     h264chroma

  1979.     h264dsp

  1980.     h264pred

  1981.     h264qpel

  1982.     hpeldsp

  1983.     huffman

  1984.     huffyuvdsp

  1985.     huffyuvencdsp

  1986.     idctdsp

  1987.     iirfilter

  1988.     imdct15

  1989.     intrax8

  1990.     ividsp

  1991.     jpegtables

  1992.     libx262

  1993.     lgplv3

  1994.     llauddsp

  1995.     llviddsp

  1996.     lpc

  1997.     lzf

  1998.     me_cmp

  1999.     mpeg_er

  2000.     mpegaudio

  2001.     mpegaudiodsp

  2002.     mpegvideo

  2003.     mpegvideoenc

  2004.     mss34dsp

  2005.     pixblockdsp

  2006.     qpeldsp

  2007.     qsv

  2008.     qsvdec

  2009.     qsvenc

  2010.     rangecoder

  2011.     riffdec

  2012.     riffenc

  2013.     rtpdec

  2014.     rtpenc_chain

  2015.     rv34dsp

  2016.     sinewin

  2017.     snappy

  2018.     startcode

  2019.     texturedsp

  2020.     texturedspenc

  2021.     tpeldsp

  2022.     videodsp

  2023.     vp3dsp

  2024.     vp56dsp

  2025.     vp8dsp

  2026.     wma_freqs

  2027.     wmv2dsp

  2028. "

  2029. 

  2030. CMDLINE_SELECT="

  2031.     $ARCH_EXT_LIST

  2032.     $CONFIG_LIST

  2033.     $HAVE_LIST_CMDLINE

  2034.     $THREADS_LIST

  2035.     asm

  2036.     cross_compile

  2037.     debug

  2038.     extra_warnings

  2039.     logging

  2040.     lto

  2041.     optimizations

  2042.     rpath

  2043.     stripping

  2044. "

  2045. 

  2046. PATHS_LIST="

  2047.     bindir

  2048.     datadir

  2049.     docdir

  2050.     incdir

  2051.     libdir

  2052.     mandir

  2053.     pkgconfigdir

  2054.     prefix

  2055.     shlibdir

  2056. "

  2057. 

  2058. CMDLINE_SET="

  2059.     $PATHS_LIST

  2060.     ar

  2061.     arch

  2062.     as

  2063.     assert_level

  2064.     build_suffix

  2065.     cc

  2066.     cpu

  2067.     cross_prefix

  2068.     custom_allocator

  2069.     cxx

  2070.     dep_cc

  2071.     doxygen

  2072.     env

  2073.     extra_version

  2074.     gas

  2075.     host_cc

  2076.     host_cflags

  2077.     host_ld

  2078.     host_ldflags

  2079.     host_libs

  2080.     host_os

  2081.     install

  2082.     ld

  2083.     logfile

  2084.     malloc_prefix

  2085.     nm

  2086.     optflags

  2087.     pkg_config

  2088.     pkg_config_flags

  2089.     progs_suffix

  2090.     random_seed

  2091.     ranlib

  2092.     samples

  2093.     strip

  2094.     sws_max_filter_size

  2095.     sysinclude

  2096.     sysroot

  2097.     target_exec

  2098.     target_os

  2099.     target_path

  2100.     target_samples

  2101.     tempprefix

  2102.     toolchain

  2103.     valgrind

  2104.     yasmexe

  2105. "

  2106. 

  2107. CMDLINE_APPEND="

  2108.     extra_cflags

  2109.     extra_cxxflags

  2110.     host_cppflags

  2111. "

  2112. 

  2113. # code dependency declarations

  2114. 

  2115. # architecture extensions

  2116. 

  2117. armv5te_deps="arm"

  2118. armv6_deps="arm"

  2119. armv6t2_deps="arm"

  2120. armv8_deps="aarch64"

  2121. neon_deps_any="aarch64 arm"

  2122. intrinsics_neon_deps="neon"

  2123. vfp_deps_any="aarch64 arm"

  2124. vfpv3_deps="vfp"

  2125. setend_deps="arm"

  2126. 

  2127. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2128. 

  2129. mipsfpu_deps="mips"

  2130. mipsdsp_deps="mips"

  2131. mipsdspr2_deps="mips"

  2132. mips32r2_deps="mips"

  2133. mips32r5_deps="mips"

  2134. mips64r6_deps="mips"

  2135. msa_deps="mips"

  2136. mmi_deps="mips"

  2137. 

  2138. altivec_deps="ppc"

  2139. dcbzl_deps="ppc"

  2140. ldbrx_deps="ppc"

  2141. ppc4xx_deps="ppc"

  2142. vsx_deps="altivec"

  2143. power8_deps="vsx"

  2144. 

  2145. cpunop_deps="i686"

  2146. x86_64_select="i686"

  2147. x86_64_suggest="fast_cmov"

  2148. 

  2149. amd3dnow_deps="mmx"

  2150. amd3dnowext_deps="amd3dnow"

  2151. i686_deps="x86"

  2152. mmx_deps="x86"

  2153. mmxext_deps="mmx"

  2154. sse_deps="mmxext"

  2155. sse2_deps="sse"

  2156. sse3_deps="sse2"

  2157. ssse3_deps="sse3"

  2158. sse4_deps="ssse3"

  2159. sse42_deps="sse4"

  2160. aesni_deps="sse42"

  2161. avx_deps="sse42"

  2162. xop_deps="avx"

  2163. fma3_deps="avx"

  2164. fma4_deps="avx"

  2165. avx2_deps="avx"

  2166. 

  2167. mmx_external_deps="yasm"

  2168. mmx_inline_deps="inline_asm"

  2169. mmx_suggest="mmx_external mmx_inline"

  2170. 

  2171. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2172.     eval dep=\$${ext}_deps

  2173.     eval ${ext}_external_deps='"${dep}_external"'

  2174.     eval ${ext}_inline_deps='"${dep}_inline"'

  2175.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2176. done

  2177. 

  2178. aligned_stack_if_any="aarch64 ppc x86"

  2179. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2180. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2181. fast_unaligned_if_any="aarch64 ppc x86"

  2182. simd_align_16_if_any="altivec neon sse"

  2183. 

  2184. # system capabilities

  2185. symver_if_any="symver_asm_label symver_gnu_asm"

  2186. valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"

  2187. 

  2188. # threading support

  2189. atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"

  2190. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2191. atomics_win32_if="MemoryBarrier"

  2192. atomics_native_if_any="$ATOMICS_LIST"

  2193. w32threads_deps="atomics_native"

  2194. threads_if_any="$THREADS_LIST"

  2195. 

  2196. # subsystems

  2197. dct_select="rdft"

  2198. error_resilience_select="me_cmp"

  2199. faandct_deps="faan fdctdsp"

  2200. faanidct_deps="faan idctdsp"

  2201. frame_thread_encoder_deps="encoders threads"

  2202. intrax8_select="error_resilience"

  2203. mdct_select="fft"

  2204. rdft_select="fft"

  2205. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2206. mpeg_er_select="error_resilience"

  2207. mpegaudio_select="mpegaudiodsp"

  2208. mpegaudiodsp_select="dct"

  2209. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2210. mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"

  2211. qsvdec_select="qsv"

  2212. qsvenc_select="qsv"

  2213. 

  2214. # decoders / encoders

  2215. aac_decoder_select="imdct15 mdct sinewin"

  2216. aac_fixed_decoder_select="mdct sinewin"

  2217. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2218. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2219. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2220. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2221. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2222. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2223. adpcm_g722_decoder_select="g722dsp"

  2224. adpcm_g722_encoder_select="g722dsp"

  2225. aic_decoder_select="golomb idctdsp"

  2226. alac_encoder_select="lpc"

  2227. als_decoder_select="bswapdsp"

  2228. amrnb_decoder_select="lsp"

  2229. amrwb_decoder_select="lsp"

  2230. amv_decoder_select="sp5x_decoder exif"

  2231. amv_encoder_select="aandcttables jpegtables mpegvideoenc"

  2232. ape_decoder_select="bswapdsp llauddsp"

  2233. apng_decoder_select="zlib"

  2234. apng_encoder_select="huffyuvencdsp zlib"

  2235. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2236. asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2237. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2238. asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"

  2239. atrac1_decoder_select="mdct sinewin"

  2240. atrac3_decoder_select="mdct"

  2241. atrac3p_decoder_select="mdct sinewin"

  2242. avrn_decoder_select="exif jpegtables"

  2243. bink_decoder_select="blockdsp hpeldsp"

  2244. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2245. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2246. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2247. cllc_decoder_select="bswapdsp"

  2248. comfortnoise_encoder_select="lpc"

  2249. cook_decoder_select="audiodsp mdct sinewin"

  2250. cscd_decoder_select="lzo"

  2251. cscd_decoder_suggest="zlib"

  2252. dca_decoder_select="fmtconvert mdct"

  2253. dds_decoder_select="texturedsp"

  2254. dirac_decoder_select="dwt golomb videodsp mpegvideoenc"

  2255. dnxhd_decoder_select="blockdsp idctdsp"

  2256. dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2257. dvvideo_decoder_select="dvprofile idctdsp"

  2258. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2259. dxa_decoder_select="zlib"

  2260. dxv_decoder_select="lzf texturedsp"

  2261. eac3_decoder_select="ac3_decoder"

  2262. eac3_encoder_select="ac3_encoder"

  2263. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2264. eatgq_decoder_select="aandcttables"

  2265. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"

  2266. exr_decoder_select="zlib"

  2267. ffv1_decoder_select="golomb rangecoder"

  2268. ffv1_encoder_select="rangecoder"

  2269. ffvhuff_decoder_select="huffyuv_decoder"

  2270. ffvhuff_encoder_select="huffyuv_encoder"

  2271. fic_decoder_select="golomb"

  2272. flac_decoder_select="flacdsp golomb"

  2273. flac_encoder_select="bswapdsp flacdsp golomb lpc"

  2274. flashsv_decoder_select="zlib"

  2275. flashsv_encoder_select="zlib"

  2276. flashsv2_encoder_select="zlib"

  2277. flashsv2_decoder_select="zlib"

  2278. flv_decoder_select="h263_decoder"

  2279. flv_encoder_select="h263_encoder"

  2280. fourxm_decoder_select="blockdsp bswapdsp"

  2281. fraps_decoder_select="bswapdsp huffman"

  2282. g2m_decoder_select="blockdsp idctdsp jpegtables zlib"

  2283. g729_decoder_select="audiodsp"

  2284. h261_decoder_select="mpegvideo"

  2285. h261_encoder_select="aandcttables mpegvideoenc"

  2286. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2287. h263_encoder_select="aandcttables h263dsp mpegvideoenc"

  2288. h263i_decoder_select="h263_decoder"

  2289. h263p_decoder_select="h263_decoder"

  2290. h263p_encoder_select="h263_encoder"

  2291. h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"

  2292. h264_decoder_suggest="error_resilience"

  2293. h264_qsv_decoder_deps="libmfx"

  2294. h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"

  2295. h264_qsv_encoder_deps="libmfx"

  2296. h264_qsv_encoder_select="qsvenc"

  2297. hap_decoder_select="snappy texturedsp"

  2298. hap_encoder_deps="libsnappy"

  2299. hap_encoder_select="texturedspenc"

  2300. hevc_decoder_select="bswapdsp cabac golomb videodsp"

  2301. hevc_qsv_encoder_deps="libmfx"

  2302. hevc_qsv_decoder_deps="libmfx"

  2303. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"

  2304. hevc_qsv_encoder_select="qsvenc"

  2305. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2306. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"

  2307. iac_decoder_select="imc_decoder"

  2308. imc_decoder_select="bswapdsp fft mdct sinewin"

  2309. indeo3_decoder_select="hpeldsp"

  2310. indeo4_decoder_select="ividsp"

  2311. indeo5_decoder_select="ividsp"

  2312. interplay_video_decoder_select="hpeldsp"

  2313. jpegls_decoder_select="golomb mjpeg_decoder"

  2314. jpegls_encoder_select="golomb"

  2315. jv_decoder_select="blockdsp"

  2316. lagarith_decoder_select="huffyuvdsp"

  2317. ljpeg_encoder_select="aandcttables idctdsp jpegtables"

  2318. loco_decoder_select="golomb"

  2319. mdec_decoder_select="blockdsp idctdsp mpegvideo"

  2320. metasound_decoder_select="lsp mdct sinewin"

  2321. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2322. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2323. mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"

  2324. mjpegb_decoder_select="mjpeg_decoder"

  2325. mlp_decoder_select="mlp_parser"

  2326. motionpixels_decoder_select="bswapdsp"

  2327. mp1_decoder_select="mpegaudio"

  2328. mp1float_decoder_select="mpegaudio"

  2329. mp2_decoder_select="mpegaudio"

  2330. mp2float_decoder_select="mpegaudio"

  2331. mp3_decoder_select="mpegaudio"

  2332. mp3adu_decoder_select="mpegaudio"

  2333. mp3adufloat_decoder_select="mpegaudio"

  2334. mp3float_decoder_select="mpegaudio"

  2335. mp3on4_decoder_select="mpegaudio"

  2336. mp3on4float_decoder_select="mpegaudio"

  2337. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2338. mpc8_decoder_select="mpegaudiodsp"

  2339. mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"

  2340. mpeg_xvmc_decoder_select="mpeg2video_decoder"

  2341. mpegvideo_decoder_select="mpegvideo"

  2342. mpeg1video_decoder_select="mpegvideo"

  2343. mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2344. mpeg2video_decoder_select="mpegvideo"

  2345. mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"

  2346. mpeg2_qsv_decoder_deps="libmfx"

  2347. mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"

  2348. mpeg2_qsv_encoder_deps="libmfx"

  2349. mpeg2_qsv_encoder_select="qsvenc"

  2350. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2351. mpeg4_encoder_select="h263_encoder"

  2352. msa1_decoder_select="mss34dsp"

  2353. msmpeg4v1_decoder_select="h263_decoder"

  2354. msmpeg4v2_decoder_select="h263_decoder"

  2355. msmpeg4v2_encoder_select="h263_encoder"

  2356. msmpeg4v3_decoder_select="h263_decoder"

  2357. msmpeg4v3_encoder_select="h263_encoder"

  2358. mss2_decoder_select="vc1_decoder"

  2359. mts2_decoder_select="mss34dsp"

  2360. mxpeg_decoder_select="mjpeg_decoder"

  2361. nellymoser_decoder_select="mdct sinewin"

  2362. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2363. nuv_decoder_select="idctdsp lzo"

  2364. on2avc_decoder_select="mdct"

  2365. opus_decoder_deps="swresample"

  2366. opus_decoder_select="imdct15"

  2367. png_decoder_select="zlib"

  2368. png_encoder_select="huffyuvencdsp zlib"

  2369. prores_decoder_select="blockdsp idctdsp"

  2370. prores_encoder_select="fdctdsp"

  2371. qcelp_decoder_select="lsp"

  2372. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2373. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2374. ra_144_decoder_select="audiodsp"

  2375. ralf_decoder_select="golomb"

  2376. rawvideo_decoder_select="bswapdsp"

  2377. rscc_decoder_select="zlib"

  2378. rtjpeg_decoder_select="me_cmp"

  2379. rv10_decoder_select="h263_decoder"

  2380. rv10_encoder_select="h263_encoder"

  2381. rv20_decoder_select="h263_decoder"

  2382. rv20_encoder_select="h263_encoder"

  2383. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2384. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2385. screenpresso_decoder_select="zlib"

  2386. shorten_decoder_select="golomb"

  2387. sipr_decoder_select="lsp"

  2388. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2389. snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2390. sonic_decoder_select="golomb rangecoder"

  2391. sonic_encoder_select="golomb rangecoder"

  2392. sonic_ls_encoder_select="golomb rangecoder"

  2393. sp5x_decoder_select="mjpeg_decoder"

  2394. svq1_decoder_select="hpeldsp"

  2395. svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"

  2396. svq3_decoder_select="h264_decoder hpeldsp tpeldsp"

  2397. svq3_decoder_suggest="zlib"

  2398. tak_decoder_select="audiodsp"

  2399. tdsc_decoder_select="zlib mjpeg_decoder"

  2400. theora_decoder_select="vp3_decoder"

  2401. thp_decoder_select="mjpeg_decoder"

  2402. tiff_decoder_suggest="zlib lzma"

  2403. tiff_encoder_suggest="zlib"

  2404. truehd_decoder_select="mlp_parser"

  2405. truemotion2_decoder_select="bswapdsp"

  2406. truespeech_decoder_select="bswapdsp"

  2407. tscc_decoder_select="zlib"

  2408. twinvq_decoder_select="mdct lsp sinewin"

  2409. txd_decoder_select="texturedsp"

  2410. utvideo_decoder_select="bswapdsp"

  2411. utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"

  2412. vble_decoder_select="huffyuvdsp"

  2413. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"

  2414. vc1image_decoder_select="vc1_decoder"

  2415. vc1_qsv_decoder_deps="libmfx"

  2416. vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"

  2417. vorbis_decoder_select="mdct"

  2418. vorbis_encoder_select="mdct"

  2419. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2420. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2421. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2422. vp6a_decoder_select="vp6_decoder"

  2423. vp6f_decoder_select="vp6_decoder"

  2424. vp7_decoder_select="h264pred videodsp vp8dsp"

  2425. vp8_decoder_select="h264pred videodsp vp8dsp"

  2426. vp9_decoder_select="videodsp vp9_parser"

  2427. webp_decoder_select="vp8_decoder"

  2428. wmalossless_decoder_select="llauddsp"

  2429. wmapro_decoder_select="mdct sinewin wma_freqs"

  2430. wmav1_decoder_select="mdct sinewin wma_freqs"

  2431. wmav1_encoder_select="mdct sinewin wma_freqs"

  2432. wmav2_decoder_select="mdct sinewin wma_freqs"

  2433. wmav2_encoder_select="mdct sinewin wma_freqs"

  2434. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2435. wmv1_decoder_select="h263_decoder"

  2436. wmv1_encoder_select="h263_encoder"

  2437. wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2438. wmv2_encoder_select="h263_encoder wmv2dsp"

  2439. wmv3_decoder_select="vc1_decoder"

  2440. wmv3image_decoder_select="wmv3_decoder"

  2441. zerocodec_decoder_select="zlib"

  2442. zlib_decoder_select="zlib"

  2443. zlib_encoder_select="zlib"

  2444. zmbv_decoder_select="zlib"

  2445. zmbv_encoder_select="zlib"

  2446. 

  2447. # hardware accelerators

  2448. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2449. d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2450. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"

  2451. vaapi_deps="va_va_h"

  2452. vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"

  2453. vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"

  2454. vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

  2455. videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"

  2456. videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"

  2457. xvmc_deps="X11_extensions_XvMClib_h"

  2458. 

  2459. h263_vaapi_hwaccel_deps="vaapi"

  2460. h263_vaapi_hwaccel_select="h263_decoder"

  2461. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2462. h263_videotoolbox_hwaccel_select="h263_decoder"

  2463. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  2464. h264_d3d11va_hwaccel_deps="d3d11va"

  2465. h264_d3d11va_hwaccel_select="h264_decoder"

  2466. h264_dxva2_hwaccel_deps="dxva2"

  2467. h264_dxva2_hwaccel_select="h264_decoder"

  2468. h264_mmal_decoder_deps="mmal"

  2469. h264_mmal_hwaccel_deps="mmal"

  2470. h264_mmal_decoder_select="h264_decoder"

  2471. h264_mmal_encoder_deps="mmal"

  2472. h264_qsv_hwaccel_deps="libmfx"

  2473. h264_vaapi_hwaccel_deps="vaapi"

  2474. h264_vaapi_hwaccel_select="h264_decoder"

  2475. h264_vda_decoder_deps="vda"

  2476. h264_vda_decoder_select="h264_decoder"

  2477. h264_vda_hwaccel_deps="vda"

  2478. h264_vda_hwaccel_select="h264_decoder"

  2479. h264_vda_old_hwaccel_deps="vda"

  2480. h264_vda_old_hwaccel_select="h264_decoder"

  2481. h264_vdpau_decoder_deps="vdpau"

  2482. h264_vdpau_decoder_select="h264_decoder"

  2483. h264_vdpau_hwaccel_deps="vdpau"

  2484. h264_vdpau_hwaccel_select="h264_decoder"

  2485. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2486. h264_videotoolbox_hwaccel_select="h264_decoder"

  2487. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2488. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2489. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2490. hevc_dxva2_hwaccel_select="hevc_decoder"

  2491. hevc_qsv_hwaccel_deps="libmfx"

  2492. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2493. hevc_vaapi_hwaccel_select="hevc_decoder"

  2494. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2495. hevc_vdpau_hwaccel_select="hevc_decoder"

  2496. mpeg_vdpau_decoder_deps="vdpau"

  2497. mpeg_vdpau_decoder_select="mpeg2video_decoder"

  2498. mpeg_xvmc_hwaccel_deps="xvmc"

  2499. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2500. mpeg1_vdpau_decoder_deps="vdpau"

  2501. mpeg1_vdpau_decoder_select="mpeg1video_decoder"

  2502. mpeg1_vdpau_hwaccel_deps="vdpau"

  2503. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2504. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2505. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2506. mpeg1_xvmc_hwaccel_deps="xvmc"

  2507. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2508. mpeg2_crystalhd_decoder_select="crystalhd"

  2509. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2510. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2511. mpeg2_dxva2_hwaccel_deps="dxva2"

  2512. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2513. mpeg2_mmal_decoder_deps="mmal"

  2514. mpeg2_mmal_hwaccel_deps="mmal"

  2515. mpeg2_mmal_decoder_select="mpeg2video_decoder"

  2516. mpeg2_qsv_hwaccel_deps="libmfx"

  2517. mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"

  2518. mpeg2_vaapi_hwaccel_deps="vaapi"

  2519. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2520. mpeg2_vdpau_hwaccel_deps="vdpau"

  2521. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2522. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2523. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2524. mpeg2_xvmc_hwaccel_deps="xvmc"

  2525. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2526. mpeg4_crystalhd_decoder_select="crystalhd"

  2527. mpeg4_vaapi_hwaccel_deps="vaapi"

  2528. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2529. mpeg4_vdpau_decoder_deps="vdpau"

  2530. mpeg4_vdpau_decoder_select="mpeg4_decoder"

  2531. mpeg4_vdpau_hwaccel_deps="vdpau"

  2532. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2533. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2534. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2535. msmpeg4_crystalhd_decoder_select="crystalhd"

  2536. vc1_crystalhd_decoder_select="crystalhd"

  2537. vc1_d3d11va_hwaccel_deps="d3d11va"

  2538. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2539. vc1_dxva2_hwaccel_deps="dxva2"

  2540. vc1_dxva2_hwaccel_select="vc1_decoder"

  2541. vc1_vaapi_hwaccel_deps="vaapi"

  2542. vc1_vaapi_hwaccel_select="vc1_decoder"

  2543. vc1_vdpau_decoder_deps="vdpau"

  2544. vc1_vdpau_decoder_select="vc1_decoder"

  2545. vc1_vdpau_hwaccel_deps="vdpau"

  2546. vc1_vdpau_hwaccel_select="vc1_decoder"

  2547. vc1_mmal_decoder_deps="mmal"

  2548. vc1_mmal_hwaccel_deps="mmal"

  2549. vc1_mmal_decoder_select="vc1_decoder"

  2550. vc1_qsv_hwaccel_deps="libmfx"

  2551. vc1_qsv_hwaccel_select="qsvdec_vc1"

  2552. wmv3_crystalhd_decoder_select="crystalhd"

  2553. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2554. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  2555. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  2556. wmv3_vdpau_decoder_select="vc1_vdpau_decoder"

  2557. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  2558. 

  2559. # parsers

  2560. h264_parser_select="h264_decoder"

  2561. hevc_parser_select="golomb"

  2562. mpegvideo_parser_select="mpegvideo"

  2563. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  2564. vc1_parser_select="mpegvideo startcode vc1_decoder"

  2565. 

  2566. # bitstream_filters

  2567. mjpeg2jpeg_bsf_select="jpegtables"

  2568. 

  2569. # external libraries

  2570. chromaprint_muxer_deps="chromaprint"

  2571. libaacplus_encoder_deps="libaacplus"

  2572. libcelt_decoder_deps="libcelt"

  2573. libdcadec_decoder_deps="libdcadec"

  2574. libfaac_encoder_deps="libfaac"

  2575. libfaac_encoder_select="audio_frame_queue"

  2576. libfdk_aac_decoder_deps="libfdk_aac"

  2577. libfdk_aac_encoder_deps="libfdk_aac"

  2578. libfdk_aac_encoder_select="audio_frame_queue"

  2579. libgme_demuxer_deps="libgme"

  2580. libgsm_decoder_deps="libgsm"

  2581. libgsm_encoder_deps="libgsm"

  2582. libgsm_ms_decoder_deps="libgsm"

  2583. libgsm_ms_encoder_deps="libgsm"

  2584. libilbc_decoder_deps="libilbc"

  2585. libilbc_encoder_deps="libilbc"

  2586. libkvazaar_encoder_deps="libkvazaar"

  2587. libmodplug_demuxer_deps="libmodplug"

  2588. libmp3lame_encoder_deps="libmp3lame"

  2589. libmp3lame_encoder_select="audio_frame_queue"

  2590. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  2591. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  2592. libopencore_amrnb_encoder_select="audio_frame_queue"

  2593. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  2594. libopenh264_encoder_deps="libopenh264"

  2595. libopenjpeg_decoder_deps="libopenjpeg"

  2596. libopenjpeg_encoder_deps="libopenjpeg"

  2597. libopus_decoder_deps="libopus"

  2598. libopus_encoder_deps="libopus"

  2599. libopus_encoder_select="audio_frame_queue"

  2600. libquvi_demuxer_deps="libquvi"

  2601. libschroedinger_decoder_deps="libschroedinger"

  2602. libschroedinger_encoder_deps="libschroedinger"

  2603. libshine_encoder_deps="libshine"

  2604. libshine_encoder_select="audio_frame_queue"

  2605. libspeex_decoder_deps="libspeex"

  2606. libspeex_encoder_deps="libspeex"

  2607. libspeex_encoder_select="audio_frame_queue"

  2608. libstagefright_h264_decoder_deps="libstagefright_h264"

  2609. libtheora_encoder_deps="libtheora"

  2610. libtwolame_encoder_deps="libtwolame"

  2611. libvo_aacenc_encoder_deps="libvo_aacenc"

  2612. libvo_aacenc_encoder_select="audio_frame_queue"

  2613. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  2614. libvorbis_decoder_deps="libvorbis"

  2615. libvorbis_encoder_deps="libvorbis"

  2616. libvorbis_encoder_select="audio_frame_queue"

  2617. libvpx_vp8_decoder_deps="libvpx"

  2618. libvpx_vp8_encoder_deps="libvpx"

  2619. libvpx_vp9_decoder_deps="libvpx"

  2620. libvpx_vp9_encoder_deps="libvpx"

  2621. libwavpack_encoder_deps="libwavpack"

  2622. libwebp_encoder_deps="libwebp"

  2623. libwebp_anim_encoder_deps="libwebp"

  2624. libx262_encoder_deps="libx262"

  2625. libx264_encoder_deps="libx264"

  2626. libx264rgb_encoder_deps="libx264"

  2627. libx264rgb_encoder_select="libx264_encoder"

  2628. libx265_encoder_deps="libx265"

  2629. libxavs_encoder_deps="libxavs"

  2630. libxvid_encoder_deps="libxvid"

  2631. libutvideo_decoder_deps="libutvideo"

  2632. libutvideo_encoder_deps="libutvideo"

  2633. libzvbi_teletext_decoder_deps="libzvbi"

  2634. nvenc_encoder_deps="nvenc"

  2635. nvenc_h264_encoder_deps="nvenc"

  2636. nvenc_hevc_encoder_deps="nvenc"

  2637. 

  2638. # demuxers / muxers

  2639. ac3_demuxer_select="ac3_parser"

  2640. asf_demuxer_select="riffdec"

  2641. asf_o_demuxer_select="riffdec"

  2642. asf_muxer_select="riffenc"

  2643. asf_stream_muxer_select="asf_muxer"

  2644. avi_demuxer_select="riffdec exif"

  2645. avi_muxer_select="riffenc"

  2646. avisynth_demuxer_deps="avisynth"

  2647. avisynth_demuxer_select="riffdec"

  2648. caf_demuxer_select="riffdec"

  2649. dash_muxer_select="mp4_muxer"

  2650. dirac_demuxer_select="dirac_parser"

  2651. dts_demuxer_select="dca_parser"

  2652. dtshd_demuxer_select="dca_parser"

  2653. dv_demuxer_select="dvprofile"

  2654. dv_muxer_select="dvprofile"

  2655. dxa_demuxer_select="riffdec"

  2656. eac3_demuxer_select="ac3_parser"

  2657. f4v_muxer_select="mov_muxer"

  2658. flac_demuxer_select="flac_parser"

  2659. hds_muxer_select="flv_muxer"

  2660. hls_muxer_select="mpegts_muxer"

  2661. image2_alias_pix_demuxer_select="image2_demuxer"

  2662. image2_brender_pix_demuxer_select="image2_demuxer"

  2663. ipod_muxer_select="mov_muxer"

  2664. ismv_muxer_select="mov_muxer"

  2665. libnut_demuxer_deps="libnut"

  2666. libnut_muxer_deps="libnut"

  2667. matroska_audio_muxer_select="matroska_muxer"

  2668. matroska_demuxer_select="riffdec"

  2669. matroska_demuxer_suggest="bzlib lzo zlib"

  2670. matroska_muxer_select="riffenc"

  2671. mmf_muxer_select="riffenc"

  2672. mov_demuxer_select="riffdec"

  2673. mov_demuxer_suggest="zlib"

  2674. mov_muxer_select="riffenc rtpenc_chain"

  2675. mp3_demuxer_select="mpegaudio_parser"

  2676. mp4_muxer_select="mov_muxer"

  2677. mpegts_muxer_select="adts_muxer latm_muxer"

  2678. mpegtsraw_demuxer_select="mpegts_demuxer"

  2679. mxf_d10_muxer_select="mxf_muxer"

  2680. mxf_opatom_muxer_select="mxf_muxer"

  2681. nut_muxer_select="riffenc"

  2682. nuv_demuxer_select="riffdec"

  2683. oga_muxer_select="ogg_muxer"

  2684. ogg_demuxer_select="golomb"

  2685. opus_muxer_select="ogg_muxer"

  2686. psp_muxer_select="mov_muxer"

  2687. rtp_demuxer_select="sdp_demuxer"

  2688. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"

  2689. rtsp_demuxer_select="http_protocol rtpdec"

  2690. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  2691. sap_demuxer_select="sdp_demuxer"

  2692. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  2693. sdp_demuxer_select="rtpdec"

  2694. smoothstreaming_muxer_select="ismv_muxer"

  2695. spdif_muxer_select="aac_parser"

  2696. spx_muxer_select="ogg_muxer"

  2697. tak_demuxer_select="tak_parser"

  2698. tg2_muxer_select="mov_muxer"

  2699. tgp_muxer_select="mov_muxer"

  2700. vobsub_demuxer_select="mpegps_demuxer"

  2701. w64_demuxer_select="wav_demuxer"

  2702. w64_muxer_select="wav_muxer"

  2703. wav_demuxer_select="riffdec"

  2704. wav_muxer_select="riffenc"

  2705. webm_muxer_select="riffenc"

  2706. wtv_demuxer_select="riffdec"

  2707. wtv_muxer_select="riffenc"

  2708. xmv_demuxer_select="riffdec"

  2709. xwma_demuxer_select="riffdec"

  2710. 

  2711. # indevs / outdevs

  2712. alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"

  2713. alsa_outdev_deps="alsa_asoundlib_h"

  2714. avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"

  2715. avfoundation_indev_select="avfoundation"

  2716. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  2717. caca_outdev_deps="libcaca"

  2718. decklink_outdev_deps="decklink pthreads"

  2719. decklink_outdev_extralibs="-lstdc++"

  2720. decklink_indev_deps="decklink pthreads"

  2721. decklink_indev_extralibs="-lstdc++"

  2722. dshow_indev_deps="IBaseFilter"

  2723. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  2724. dv1394_indev_deps="dv1394"

  2725. dv1394_indev_select="dv_demuxer"

  2726. fbdev_indev_deps="linux_fb_h"

  2727. fbdev_outdev_deps="linux_fb_h"

  2728. gdigrab_indev_deps="CreateDIBSection"

  2729. gdigrab_indev_extralibs="-lgdi32"

  2730. gdigrab_indev_select="bmp_decoder"

  2731. iec61883_indev_deps="libiec61883"

  2732. jack_indev_deps="jack_jack_h sem_timedwait"

  2733. lavfi_indev_deps="avfilter"

  2734. libcdio_indev_deps="libcdio"

  2735. libdc1394_indev_deps="libdc1394"

  2736. libv4l2_indev_deps="libv4l2"

  2737. openal_indev_deps="openal"

  2738. opengl_outdev_deps="opengl"

  2739. oss_indev_deps_any="soundcard_h sys_soundcard_h"

  2740. oss_outdev_deps_any="soundcard_h sys_soundcard_h"

  2741. pulse_indev_deps="libpulse"

  2742. pulse_outdev_deps="libpulse"

  2743. qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"

  2744. qtkit_indev_select="qtkit"

  2745. sdl_outdev_deps="sdl"

  2746. sndio_indev_deps="sndio_h"

  2747. sndio_outdev_deps="sndio_h"

  2748. v4l_indev_deps="linux_videodev_h"

  2749. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  2750. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  2751. vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"

  2752. vfwcap_indev_extralibs="-lavicap32"

  2753. xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"

  2754. xv_outdev_extralibs="-lXv -lX11 -lXext"

  2755. x11grab_indev_deps="x11grab"

  2756. x11grab_xcb_indev_deps="libxcb"

  2757. 

  2758. # protocols

  2759. async_protocol_deps="threads"

  2760. bluray_protocol_deps="libbluray"

  2761. ffrtmpcrypt_protocol_deps="!librtmp_protocol"

  2762. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"

  2763. ffrtmpcrypt_protocol_select="tcp_protocol"

  2764. ffrtmphttp_protocol_deps="!librtmp_protocol"

  2765. ffrtmphttp_protocol_select="http_protocol"

  2766. ftp_protocol_select="tcp_protocol"

  2767. gopher_protocol_select="network"

  2768. http_protocol_select="tcp_protocol"

  2769. httpproxy_protocol_select="tcp_protocol"

  2770. https_protocol_select="tls_protocol"

  2771. icecast_protocol_select="http_protocol"

  2772. librtmp_protocol_deps="librtmp"

  2773. librtmpe_protocol_deps="librtmp"

  2774. librtmps_protocol_deps="librtmp"

  2775. librtmpt_protocol_deps="librtmp"

  2776. librtmpte_protocol_deps="librtmp"

  2777. libsmbclient_protocol_deps="libsmbclient gplv3"

  2778. libssh_protocol_deps="libssh"

  2779. mmsh_protocol_select="http_protocol"

  2780. mmst_protocol_select="network"

  2781. rtmp_protocol_deps="!librtmp_protocol"

  2782. rtmp_protocol_select="tcp_protocol"

  2783. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  2784. rtmps_protocol_deps="!librtmp_protocol"

  2785. rtmps_protocol_select="tls_protocol"

  2786. rtmpt_protocol_select="ffrtmphttp_protocol"

  2787. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  2788. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  2789. rtp_protocol_select="udp_protocol"

  2790. sctp_protocol_deps="struct_sctp_event_subscribe"

  2791. sctp_protocol_select="network"

  2792. srtp_protocol_select="rtp_protocol"

  2793. tcp_protocol_select="network"

  2794. tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"

  2795. tls_gnutls_protocol_select="tcp_protocol"

  2796. tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"

  2797. tls_openssl_protocol_select="tcp_protocol"

  2798. tls_schannel_protocol_deps="schannel"

  2799. tls_schannel_protocol_select="tcp_protocol"

  2800. tls_securetransport_protocol_deps="securetransport"

  2801. tls_securetransport_protocol_select="tcp_protocol"

  2802. tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"

  2803. udp_protocol_select="network"

  2804. udplite_protocol_select="network"

  2805. unix_protocol_deps="sys_un_h"

  2806. unix_protocol_select="network"

  2807. 

  2808. # filters

  2809. aemphasis_filter_deps="cabs cexp"

  2810. amovie_filter_deps="avcodec avformat"

  2811. aresample_filter_deps="swresample"

  2812. ass_filter_deps="libass"

  2813. asyncts_filter_deps="avresample"

  2814. atempo_filter_deps="avcodec"

  2815. atempo_filter_select="rdft"

  2816. azmq_filter_deps="libzmq"

  2817. blackframe_filter_deps="gpl"

  2818. boxblur_filter_deps="gpl"

  2819. bs2b_filter_deps="libbs2b"

  2820. colormatrix_filter_deps="gpl"

  2821. cover_rect_filter_deps="avcodec avformat gpl"

  2822. cropdetect_filter_deps="gpl"

  2823. delogo_filter_deps="gpl"

  2824. deshake_filter_select="pixelutils"

  2825. drawtext_filter_deps="libfreetype"

  2826. dynaudnorm_filter_deps="copysign erf"

  2827. ebur128_filter_deps="gpl"

  2828. eq_filter_deps="gpl"

  2829. fftfilt_filter_deps="avcodec"

  2830. fftfilt_filter_select="rdft"

  2831. flite_filter_deps="libflite"

  2832. find_rect_filter_deps="avcodec avformat gpl"

  2833. frei0r_filter_deps="frei0r dlopen"

  2834. frei0r_src_filter_deps="frei0r dlopen"

  2835. fspp_filter_deps="gpl"

  2836. geq_filter_deps="gpl"

  2837. histeq_filter_deps="gpl"

  2838. hqdn3d_filter_deps="gpl"

  2839. interlace_filter_deps="gpl"

  2840. kerndeint_filter_deps="gpl"

  2841. ladspa_filter_deps="ladspa dlopen"

  2842. mcdeint_filter_deps="avcodec gpl"

  2843. movie_filter_deps="avcodec avformat"

  2844. mpdecimate_filter_deps="gpl"

  2845. mpdecimate_filter_select="pixelutils"

  2846. mptestsrc_filter_deps="gpl"

  2847. negate_filter_deps="lut_filter"

  2848. perspective_filter_deps="gpl"

  2849. pp7_filter_deps="gpl"

  2850. ocr_filter_deps="libtesseract"

  2851. ocv_filter_deps="libopencv"

  2852. owdenoise_filter_deps="gpl"

  2853. pan_filter_deps="swresample"

  2854. phase_filter_deps="gpl"

  2855. pp_filter_deps="gpl postproc"

  2856. pullup_filter_deps="gpl"

  2857. removelogo_filter_deps="avcodec avformat swscale"

  2858. repeatfields_filter_deps="gpl"

  2859. resample_filter_deps="avresample"

  2860. rubberband_filter_deps="librubberband"

  2861. sab_filter_deps="gpl swscale"

  2862. scale_filter_deps="swscale"

  2863. scale2ref_filter_deps="swscale"

  2864. select_filter_select="pixelutils"

  2865. smartblur_filter_deps="gpl swscale"

  2866. showcqt_filter_deps="avcodec avformat swscale"

  2867. showcqt_filter_select="fft"

  2868. showfreqs_filter_deps="avcodec"

  2869. showfreqs_filter_select="fft"

  2870. showspectrum_filter_deps="avcodec"

  2871. showspectrum_filter_select="rdft"

  2872. spp_filter_deps="gpl avcodec"

  2873. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  2874. stereo3d_filter_deps="gpl"

  2875. subtitles_filter_deps="avformat avcodec libass"

  2876. super2xsai_filter_deps="gpl"

  2877. tinterlace_filter_deps="gpl"

  2878. vidstabdetect_filter_deps="libvidstab"

  2879. vidstabtransform_filter_deps="libvidstab"

  2880. pixfmts_super2xsai_test_deps="super2xsai_filter"

  2881. tinterlace_merge_test_deps="tinterlace_filter"

  2882. tinterlace_pad_test_deps="tinterlace_filter"

  2883. uspp_filter_deps="gpl avcodec"

  2884. zmq_filter_deps="libzmq"

  2885. zoompan_filter_deps="swscale"

  2886. zscale_filter_deps="libzimg"

  2887. 

  2888. # examples

  2889. avio_reading="avformat avcodec avutil"

  2890. avio_dir_cmd="avformat avutil"

  2891. avcodec_example_deps="avcodec avutil"

  2892. decoding_encoding_example_deps="avcodec avformat avutil"

  2893. demuxing_decoding_example_deps="avcodec avformat avutil"

  2894. extract_mvs_example_deps="avcodec avformat avutil"

  2895. filter_audio_example_deps="avfilter avutil"

  2896. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  2897. filtering_video_example_deps="avfilter avcodec avformat avutil"

  2898. metadata_example_deps="avformat avutil"

  2899. muxing_example_deps="avcodec avformat avutil swscale"

  2900. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"

  2901. remuxing_example_deps="avcodec avformat avutil"

  2902. resampling_audio_example_deps="avutil swresample"

  2903. scaling_video_example_deps="avutil swscale"

  2904. transcode_aac_example_deps="avcodec avformat swresample"

  2905. transcoding_example_deps="avfilter avcodec avformat avutil"

  2906. 

  2907. # libraries, in linking order

  2908. avcodec_deps="avutil"

  2909. avdevice_deps="avformat avcodec avutil"

  2910. avfilter_deps="avutil"

  2911. avformat_deps="avcodec avutil"

  2912. avresample_deps="avutil"

  2913. postproc_deps="avutil gpl"

  2914. swresample_deps="avutil"

  2915. swscale_deps="avutil"

  2916. 

  2917. # programs

  2918. ffmpeg_deps="avcodec avfilter avformat swresample"

  2919. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  2920.                null_filter

  2921.                setpts_filter trim_filter"

  2922. ffplay_deps="avcodec avformat swscale swresample sdl"

  2923. ffplay_libs='$sdl_libs'

  2924. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  2925. ffprobe_deps="avcodec avformat"

  2926. ffserver_deps="avformat fork sarestart"

  2927. ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"

  2928. 

  2929. # documentation

  2930. podpages_deps="perl"

  2931. manpages_deps="perl pod2man"

  2932. htmlpages_deps="perl"

  2933. htmlpages_deps_any="makeinfo_html texi2html"

  2934. txtpages_deps="perl makeinfo"

  2935. doc_deps_any="manpages htmlpages podpages txtpages"

  2936. 

  2937. # default parameters

  2938. 

  2939. logfile="config.log"

  2940. 

  2941. # installation paths

  2942. prefix_default="/usr/local"

  2943. bindir_default='${prefix}/bin'

  2944. datadir_default='${prefix}/share/ffmpeg'

  2945. docdir_default='${prefix}/share/doc/ffmpeg'

  2946. incdir_default='${prefix}/include'

  2947. libdir_default='${prefix}/lib'

  2948. mandir_default='${prefix}/share/man'

  2949. 

  2950. # toolchain

  2951. ar_default="ar"

  2952. cc_default="gcc"

  2953. cxx_default="g++"

  2954. host_cc_default="gcc"

  2955. cp_f="cp -f"

  2956. doxygen_default="doxygen"

  2957. install="install"

  2958. ln_s="ln -s -f"

  2959. nm_default="nm -g"

  2960. objformat="elf"

  2961. pkg_config_default=pkg-config

  2962. ranlib_default="ranlib"

  2963. strip_default="strip"

  2964. yasmexe_default="yasm"

  2965. windres_default="windres"

  2966. 

  2967. # OS

  2968. target_os_default=$(tolower $(uname -s))

  2969. host_os=$target_os_default

  2970. 

  2971. # machine

  2972. if test "$target_os_default" = aix; then

  2973.     arch_default=$(uname -p)

  2974.     strip_default="strip -X32_64"

  2975. else

  2976.     arch_default=$(uname -m)

  2977. fi

  2978. cpu="generic"

  2979. intrinsics="none"

  2980. 

  2981. # configurable options

  2982. enable $PROGRAM_LIST

  2983. enable $DOCUMENT_LIST

  2984. enable $EXAMPLE_LIST

  2985. enable $(filter_out avresample $LIBRARY_LIST)

  2986. enable stripping

  2987. 

  2988. enable asm

  2989. enable debug

  2990. enable doc

  2991. enable faan faandct faanidct

  2992. enable optimizations

  2993. enable runtime_cpudetect

  2994. enable safe_bitstream_reader

  2995. enable static

  2996. enable swscale_alpha

  2997. enable valgrind_backtrace

  2998. 

  2999. sws_max_filter_size_default=256

  3000. set_default sws_max_filter_size

  3001. 

  3002. # Enable hwaccels by default.

  3003. enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc

  3004. enable xlib

  3005. 

  3006. # build settings

  3007. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3008. LIBPREF="lib"

  3009. LIBSUF=".a"

  3010. FULLNAME='$(NAME)$(BUILDSUF)'

  3011. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3012. SLIBPREF="lib"

  3013. SLIBSUF=".so"

  3014. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3015. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3016. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3017. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3018. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3019. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3020. 

  3021. asflags_filter=echo

  3022. cflags_filter=echo

  3023. ldflags_filter=echo

  3024. 

  3025. AS_C='-c'

  3026. AS_O='-o $@'

  3027. CC_C='-c'

  3028. CC_E='-E -o $@'

  3029. CC_O='-o $@'

  3030. CXX_C='-c'

  3031. CXX_O='-o $@'

  3032. LD_O='-o $@'

  3033. LD_LIB='-l%'

  3034. LD_PATH='-L'

  3035. HOSTCC_C='-c'

  3036. HOSTCC_E='-E -o $@'

  3037. HOSTCC_O='-o $@'

  3038. HOSTLD_O='-o $@'

  3039. 

  3040. host_libs='-lm'

  3041. host_cflags_filter=echo

  3042. host_ldflags_filter=echo

  3043. 

  3044. target_path='$(CURDIR)'

  3045. 

  3046. # since the object filename is not given with the -MM flag, the compiler

  3047. # is only able to print the basename, and we must add the path ourselves

  3048. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3049. DEPFLAGS='-MM'

  3050. 

  3051. # find source path

  3052. if test -f configure; then

  3053.     source_path=.

  3054. else

  3055.     source_path=$(cd $(dirname "$0"); pwd)

  3056.     case "$source_path" in

  3057.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3058.     esac

  3059.     test -e "$source_path/config.h" &&

  3060.         die "Out of tree builds are impossible with config.h in source dir."

  3061. fi

  3062. 

  3063. for v in "$@"; do

  3064.     r=${v#*=}

  3065.     l=${v%"$r"}

  3066.     r=$(sh_quote "$r")

  3067.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3068. done

  3069. 

  3070. find_things(){

  3071.     thing=$1

  3072.     pattern=$2

  3073.     file=$source_path/$3

  3074.     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"

  3075. }

  3076. 

  3077. ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)

  3078. DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)

  3079. HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)

  3080. PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)

  3081. BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)

  3082. MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)

  3083. DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)

  3084. OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)

  3085. INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)

  3086. PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)

  3087. FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)

  3088. 

  3089. ALL_COMPONENTS="

  3090.     $BSF_LIST

  3091.     $DECODER_LIST

  3092.     $DEMUXER_LIST

  3093.     $ENCODER_LIST

  3094.     $FILTER_LIST

  3095.     $HWACCEL_LIST

  3096.     $INDEV_LIST

  3097.     $MUXER_LIST

  3098.     $OUTDEV_LIST

  3099.     $PARSER_LIST

  3100.     $PROTOCOL_LIST

  3101. "

  3102. 

  3103. for n in $COMPONENT_LIST; do

  3104.     v=$(toupper ${n%s})_LIST

  3105.     eval enable \$$v

  3106.     eval ${n}_if_any="\$$v"

  3107. done

  3108. 

  3109. enable $ARCH_EXT_LIST

  3110. 

  3111. die_unknown(){

  3112.     echo "Unknown option \"$1\"."

  3113.     echo "See $0 --help for available options."

  3114.     exit 1

  3115. }

  3116. 

  3117. print_in_columns() {

  3118.     cols=$(expr $ncols / 24)

  3119.     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t

  3120. }

  3121. 

  3122. show_list() {

  3123.     suffix=_$1

  3124.     shift

  3125.     echo $* | sed s/$suffix//g | print_in_columns

  3126.     exit 0

  3127. }

  3128. 

  3129. rand_list(){

  3130.     IFS=', '

  3131.     set -- $*

  3132.     unset IFS

  3133.     for thing; do

  3134.         comp=${thing%:*}

  3135.         prob=${thing#$comp}

  3136.         prob=${prob#:}

  3137.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3138.         echo "prob ${prob:-0.5}"

  3139.         printf '%s\n' $comp

  3140.     done

  3141. }

  3142. 

  3143. do_random(){

  3144.     action=$1

  3145.     shift

  3146.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3147.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3148. }

  3149. 

  3150. for opt do

  3151.     optval="${opt#*=}"

  3152.     case "$opt" in

  3153.         --extra-ldflags=*)

  3154.             add_ldflags $optval

  3155.         ;;

  3156.         --extra-ldexeflags=*)

  3157.             add_ldexeflags $optval

  3158.         ;;

  3159.         --extra-ldlibflags=*)

  3160.             add_ldlibflags $optval

  3161.         ;;

  3162.         --extra-libs=*)

  3163.             add_extralibs $optval

  3164.         ;;

  3165.         --disable-devices)

  3166.             disable $INDEV_LIST $OUTDEV_LIST

  3167.         ;;

  3168.         --enable-debug=*)

  3169.             debuglevel="$optval"

  3170.         ;;

  3171.         --disable-programs)

  3172.             disable $PROGRAM_LIST

  3173.         ;;

  3174.         --disable-everything)

  3175.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3176.         ;;

  3177.         --disable-all)

  3178.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3179.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3180.             enable avutil

  3181.         ;;

  3182.         --enable-random|--disable-random)

  3183.             action=${opt%%-random}

  3184.             do_random ${action#--} $COMPONENT_LIST

  3185.         ;;

  3186.         --enable-random=*|--disable-random=*)

  3187.             action=${opt%%-random=*}

  3188.             do_random ${action#--} $optval

  3189.         ;;

  3190.         --enable-*=*|--disable-*=*)

  3191.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3192.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3193.             eval list=\$$(toupper $thing)_LIST

  3194.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3195.             list=$(filter "$name" $list)

  3196.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3197.             $action $list

  3198.         ;;

  3199.         --enable-?*|--disable-?*)

  3200.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  3201.             if is_in $option $COMPONENT_LIST; then

  3202.                 test $action = disable && action=unset

  3203.                 eval $action \$$(toupper ${option%s})_LIST

  3204.             elif is_in $option $CMDLINE_SELECT; then

  3205.                 $action $option

  3206.             else

  3207.                 die_unknown $opt

  3208.             fi

  3209.         ;;

  3210.         --list-*)

  3211.             NAME="${opt#--list-}"

  3212.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  3213.             NAME=${NAME%s}

  3214.             eval show_list $NAME \$$(toupper $NAME)_LIST

  3215.         ;;

  3216.         --help|-h) show_help

  3217.         ;;

  3218.         --fatal-warnings) enable fatal_warnings

  3219.         ;;

  3220.         *)

  3221.             optname="${opt%%=*}"

  3222.             optname="${optname#--}"

  3223.             optname=$(echo "$optname" | sed 's/-/_/g')

  3224.             if is_in $optname $CMDLINE_SET; then

  3225.                 eval $optname='$optval'

  3226.             elif is_in $optname $CMDLINE_APPEND; then

  3227.                 append $optname "$optval"

  3228.             else

  3229.                 die_unknown $opt

  3230.             fi

  3231.         ;;

  3232.     esac

  3233. done

  3234. 

  3235. for e in $env; do

  3236.     eval "export $e"

  3237. done

  3238. 

  3239. disabled logging && logfile=/dev/null

  3240. 

  3241. # Disable all the library-specific components if the library itself

  3242. # is disabled, see AVCODEC_LIST and following _LIST variables.

  3243. 

  3244. disable_components(){

  3245.     disabled ${1} && disable $(

  3246.         eval components="\$$(toupper ${1})_COMPONENTS"

  3247.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  3248.     )

  3249. }

  3250. 

  3251. map 'disable_components $v' $LIBRARY_LIST

  3252. 

  3253. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  3254. set >> $logfile

  3255. 

  3256. test -n "$valgrind" && toolchain="valgrind-memcheck"

  3257. 

  3258. case "$toolchain" in

  3259.     clang-asan)

  3260.         cc_default="clang"

  3261.         add_cflags  -fsanitize=address

  3262.         add_ldflags -fsanitize=address

  3263.     ;;

  3264.     clang-tsan)

  3265.         cc_default="clang"

  3266.         add_cflags  -fsanitize=thread -pie

  3267.         add_ldflags -fsanitize=thread -pie

  3268.     ;;

  3269.     clang-usan)

  3270.         cc_default="clang"

  3271.         add_cflags  -fsanitize=undefined

  3272.         add_ldflags -fsanitize=undefined

  3273.     ;;

  3274.     gcc-asan)

  3275.         cc_default="gcc"

  3276.         add_cflags  -fsanitize=address

  3277.         add_ldflags -fsanitize=address

  3278.     ;;

  3279.     gcc-tsan)

  3280.         cc_default="gcc"

  3281.         add_cflags  -fsanitize=thread -pie -fPIC

  3282.         add_ldflags -fsanitize=thread -pie -fPIC

  3283.     ;;

  3284.     gcc-usan)

  3285.         cc_default="gcc"

  3286.         add_cflags  -fsanitize=undefined

  3287.         add_ldflags -fsanitize=undefined

  3288.     ;;

  3289.     valgrind-massif)

  3290.         target_exec_default=${valgrind:-"valgrind"}

  3291.         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"

  3292.     ;;

  3293.     valgrind-memcheck)

  3294.         target_exec_default=${valgrind:-"valgrind"}

  3295.         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"

  3296.     ;;

  3297.     msvc)

  3298.         # Check whether the current MSVC version needs the C99 converter.

  3299.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  3300.         # support enough of C99 to build ffmpeg. Default to the new

  3301.         # behaviour if the regexp was unable to match anything, since this

  3302.         # successfully parses the version number of existing supported

  3303.         # versions that require the converter (MSVC 2010 and 2012).

  3304.         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  3305.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  3306.             cc_default="cl"

  3307.         else

  3308.             cc_default="c99wrap cl"

  3309.         fi

  3310.         ld_default="$source_path/compat/windows/mslink"

  3311.         nm_default="dumpbin -symbols"

  3312.         ar_default="lib"

  3313.         case "$arch" in

  3314.         arm*)

  3315.             as_default="armasm"

  3316.             ;;

  3317.         esac

  3318.         target_os_default="win32"

  3319.         # Use a relative path for TMPDIR. This makes sure all the

  3320.         # ffconf temp files are written with a relative path, avoiding

  3321.         # issues with msys/win32 path conversion for MSVC parameters

  3322.         # such as -Fo<file> or -out:<file>.

  3323.         TMPDIR=.

  3324.     ;;

  3325.     icl)

  3326.         cc_default="icl"

  3327.         ld_default="xilink"

  3328.         nm_default="dumpbin -symbols"

  3329.         ar_default="xilib"

  3330.         target_os_default="win32"

  3331.         TMPDIR=.

  3332.     ;;

  3333.     gcov)

  3334.         add_cflags  -fprofile-arcs -ftest-coverage

  3335.         add_ldflags -fprofile-arcs -ftest-coverage

  3336.     ;;

  3337.     hardened)

  3338.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  3339.         add_cflags   -fno-strict-overflow -fstack-protector-all

  3340.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  3341.     ;;

  3342.     ?*)

  3343.         die "Unknown toolchain $toolchain"

  3344.     ;;

  3345. esac

  3346. 

  3347. test -n "$cross_prefix" && enable cross_compile

  3348. 

  3349. if enabled cross_compile; then

  3350.     test -n "$arch" && test -n "$target_os" ||

  3351.         die "Must specify target arch and OS when cross-compiling"

  3352. fi

  3353. 

  3354. ar_default="${cross_prefix}${ar_default}"

  3355. cc_default="${cross_prefix}${cc_default}"

  3356. cxx_default="${cross_prefix}${cxx_default}"

  3357. nm_default="${cross_prefix}${nm_default}"

  3358. pkg_config_default="${cross_prefix}${pkg_config_default}"

  3359. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  3360.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  3361. else

  3362.     ranlib_default="${cross_prefix}${ranlib_default}"

  3363. fi

  3364. strip_default="${cross_prefix}${strip_default}"

  3365. windres_default="${cross_prefix}${windres_default}"

  3366. 

  3367. sysinclude_default="${sysroot}/usr/include"

  3368. 

  3369. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  3370.     target_exec target_os yasmexe

  3371. enabled cross_compile || host_cc_default=$cc

  3372. set_default host_cc

  3373. 

  3374. pkg_config_fail_message=""

  3375. if ! $pkg_config --version >/dev/null 2>&1; then

  3376.     warn "$pkg_config not found, library detection may fail."

  3377.     pkg_config=false

  3378. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  3379.     pkg_config_fail_message="

  3380. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  3381. fi

  3382. 

  3383. if test $doxygen != $doxygen_default && \

  3384.   ! $doxygen --version >/dev/null 2>&1; then

  3385.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  3386. fi

  3387. 

  3388. exesuf() {

  3389.     case $1 in

  3390.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  3391.     esac

  3392. }

  3393. 

  3394. EXESUF=$(exesuf $target_os)

  3395. HOSTEXESUF=$(exesuf $host_os)

  3396. 

  3397. # set temporary file name

  3398. : ${TMPDIR:=$TEMPDIR}

  3399. : ${TMPDIR:=$TMP}

  3400. : ${TMPDIR:=/tmp}

  3401. 

  3402. if [ -n "$tempprefix" ] ; then

  3403.     mktemp(){

  3404.         echo $tempprefix.${HOSTNAME}.${UID}

  3405.     }

  3406. elif ! check_cmd mktemp -u XXXXXX; then

  3407.     # simple replacement for missing mktemp

  3408.     # NOT SAFE FOR GENERAL USE

  3409.     mktemp(){

  3410.         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  3411.     }

  3412. fi

  3413. 

  3414. tmpfile(){

  3415.     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&

  3416.         (set -C; exec > $tmp) 2>/dev/null ||

  3417.         die "Unable to create temporary file in $TMPDIR."

  3418.     append TMPFILES $tmp

  3419.     eval $1=$tmp

  3420. }

  3421. 

  3422. trap 'rm -f -- $TMPFILES' EXIT

  3423. 

  3424. tmpfile TMPASM .asm

  3425. tmpfile TMPC   .c

  3426. tmpfile TMPCPP .cpp

  3427. tmpfile TMPE   $EXESUF

  3428. tmpfile TMPH   .h

  3429. tmpfile TMPM   .m

  3430. tmpfile TMPO   .o

  3431. tmpfile TMPS   .S

  3432. tmpfile TMPSH  .sh

  3433. tmpfile TMPV   .ver

  3434. 

  3435. unset -f mktemp

  3436. 

  3437. chmod +x $TMPE

  3438. 

  3439. # make sure we can execute files in $TMPDIR

  3440. cat > $TMPSH 2>> $logfile <<EOF

  3441. #! /bin/sh

  3442. EOF

  3443. chmod +x $TMPSH >> $logfile 2>&1

  3444. if ! $TMPSH >> $logfile 2>&1; then

  3445.     cat <<EOF

  3446. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  3447. variable to another directory and make sure that it is not mounted noexec.

  3448. EOF

  3449.     die "Sanity test failed."

  3450. fi

  3451. 

  3452. armasm_flags(){

  3453.     for flag; do

  3454.         case $flag in

  3455.             # Filter out MSVC cl.exe options from cflags that shouldn't

  3456.             # be passed to gas-preprocessor

  3457.             -M[TD]*)                                            ;;

  3458.             *)                  echo $flag                      ;;

  3459.         esac

  3460.    done

  3461. }

  3462. 

  3463. ccc_flags(){

  3464.     for flag; do

  3465.         case $flag in

  3466.             -std=c99)           echo -c99                       ;;

  3467.             -mcpu=*)            echo -arch ${flag#*=}           ;;

  3468.             -mieee)             echo -ieee                      ;;

  3469.             -O*|-fast)          echo $flag                      ;;

  3470.             -fno-math-errno)    echo -assume nomath_errno       ;;

  3471.             -g)                 echo -g3                        ;;

  3472.             -Wall)              echo -msg_enable level2         ;;

  3473.             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;

  3474.             -Wl,*)              echo $flag                      ;;

  3475.             -f*|-W*)                                            ;;

  3476.             *)                  echo $flag                      ;;

  3477.         esac

  3478.    done

  3479. }

  3480. 

  3481. cparser_flags(){

  3482.     for flag; do

  3483.         case $flag in

  3484.             -Wno-switch)             echo -Wno-switch-enum ;;

  3485.             -Wno-format-zero-length) ;;

  3486.             -Wdisabled-optimization) ;;

  3487.             -Wno-pointer-sign)       echo -Wno-other ;;

  3488.             *)                       echo $flag ;;

  3489.         esac

  3490.     done

  3491. }

  3492. 

  3493. msvc_common_flags(){

  3494.     for flag; do

  3495.         case $flag in

  3496.             # In addition to specifying certain flags under the compiler

  3497.             # specific filters, they must be specified here as well or else the

  3498.             # generic catch all at the bottom will print the original flag.

  3499.             -Wall)                ;;

  3500.             -std=c99)             ;;

  3501.             # Common flags

  3502.             -fomit-frame-pointer) ;;

  3503.             -g)                   echo -Z7 ;;

  3504.             -fno-math-errno)      ;;

  3505.             -fno-common)          ;;

  3506.             -fno-signed-zeros)    ;;

  3507.             -fPIC)                ;;

  3508.             -mthumb)              ;;

  3509.             -march=*)             ;;

  3510.             -lz)                  echo zlib.lib ;;

  3511.             -lavifil32)           echo vfw32.lib ;;

  3512.             -lavicap32)           echo vfw32.lib user32.lib ;;

  3513.             -l*)                  echo ${flag#-l}.lib ;;

  3514.             -LARGEADDRESSAWARE)   echo $flag ;;

  3515.             -L*)                  echo -libpath:${flag#-L} ;;

  3516.             *)                    echo $flag ;;

  3517.         esac

  3518.     done

  3519. }

  3520. 

  3521. msvc_flags(){

  3522.     msvc_common_flags "$@"

  3523.     for flag; do

  3524.         case $flag in

  3525.             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  3526.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  3527.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  3528.                                        -wd4307 \

  3529.                                        -wd4273 -wd4554 -wd4701 ;;

  3530.         esac

  3531.     done

  3532. }

  3533. 

  3534. icl_flags(){

  3535.     msvc_common_flags "$@"

  3536.     for flag; do

  3537.         case $flag in

  3538.             # Despite what Intel's documentation says -Wall, which is supported

  3539.             # on Windows, does enable remarks so disable them here.

  3540.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  3541.             -std=c99)             echo -Qstd=c99 ;;

  3542.             -flto)                echo -ipo ;;

  3543.         esac

  3544.     done

  3545. }

  3546. 

  3547. icc_flags(){

  3548.     for flag; do

  3549.         case $flag in

  3550.             -flto)                echo -ipo ;;

  3551.             *)                    echo $flag ;;

  3552.         esac

  3553.     done

  3554. }

  3555. 

  3556. pgi_flags(){

  3557.     for flag; do

  3558.         case $flag in

  3559.             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;

  3560.             -fomit-frame-pointer) echo -Mnoframe ;;

  3561.             -g)                   echo -gopt ;;

  3562.             *)                    echo $flag ;;

  3563.         esac

  3564.     done

  3565. }

  3566. 

  3567. suncc_flags(){

  3568.     for flag; do

  3569.         case $flag in

  3570.             -march=*|-mcpu=*)

  3571.                 case "${flag#*=}" in

  3572.                     native)                   echo -xtarget=native       ;;

  3573.                     v9|niagara)               echo -xarch=sparc          ;;

  3574.                     ultrasparc)               echo -xarch=sparcvis       ;;

  3575.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  3576.                     i586|pentium)             echo -xchip=pentium        ;;

  3577.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  3578.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  3579.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  3580.                     pentium4*)          echo -xtarget=pentium4           ;;

  3581.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  3582.                     *-sse3)             echo -xarch=sse3                 ;;

  3583.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  3584.                     bonnell)                   echo -xarch=ssse3         ;;

  3585.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  3586.                     westmere)                  echo -xtarget=westmere    ;;

  3587.                     silvermont)                echo -xarch=sse4_2        ;;

  3588.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  3589.                     core-avx*|ivybridge|haswell|broadwell)

  3590.                                                echo -xarch=avx           ;;

  3591.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  3592.                     btver1)                    echo -xarch=amdsse4a      ;;

  3593.                     btver2|bdver*)             echo -xarch=avx           ;;

  3594.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  3595.                     k8|opteron|athlon64|athlon-fx)

  3596.                                                echo -xarch=sse2a         ;;

  3597.                     athlon*)                   echo -xarch=pentium_proa  ;;

  3598.                 esac

  3599.                 ;;

  3600.             -std=c99)             echo -xc99              ;;

  3601.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  3602.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  3603.             -W*,*)                echo $flag              ;;

  3604.             -f*-*|-W*|-mimpure-text)                      ;;

  3605.             -shared)              echo -G                 ;;

  3606.             *)                    echo $flag              ;;

  3607.         esac

  3608.     done

  3609. }

  3610. 

  3611. tms470_flags(){

  3612.     for flag; do

  3613.         case $flag in

  3614.             -march=*|-mcpu=*)

  3615.                 case "${flag#*=}" in

  3616.                     armv7-a|cortex-a*)      echo -mv=7a8 ;;

  3617.                     armv7-r|cortex-r*)      echo -mv=7r4 ;;

  3618.                     armv7-m|cortex-m*)      echo -mv=7m3 ;;

  3619.                     armv6*|arm11*)          echo -mv=6   ;;

  3620.                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])

  3621.                                             echo -mv=5e  ;;

  3622.                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;

  3623.                 esac

  3624.                 ;;

  3625.             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;

  3626.             -mfpu=vfp)      echo --float_support=vfpv2        ;;

  3627.             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;

  3628.             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;

  3629.             -msoft-float)   echo --float_support=vfplib       ;;

  3630.             -O[0-3]|-mf=*)  echo $flag                        ;;

  3631.             -g)             echo -g -mn                       ;;

  3632.             -pds=*)         echo $flag                        ;;

  3633.             -D*|-I*)        echo $flag                        ;;

  3634.             --gcc|--abi=*)  echo $flag                        ;;

  3635.             -me)            echo $flag                        ;;

  3636.         esac

  3637.     done

  3638. }

  3639. 

  3640. probe_cc(){

  3641.     pfx=$1

  3642.     _cc=$2

  3643.     first=$3

  3644. 

  3645.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  3646.     unset _ld_o _ldflags _ld_lib _ld_path

  3647.     unset _depflags _DEPCMD _DEPFLAGS

  3648.     _flags_filter=echo

  3649. 

  3650.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  3651.         true # no-op to avoid reading stdin in following checks

  3652.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  3653.         _type=llvm_gcc

  3654.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  3655.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  3656.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3657.         _cflags_speed='-O3'

  3658.         _cflags_size='-Os'

  3659.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  3660.         _type=gcc

  3661.         gcc_version=$($_cc --version | head -n1)

  3662.         gcc_basever=$($_cc -dumpversion)

  3663.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  3664.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  3665.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  3666.         case $gcc_basever in

  3667.             2*) ;;

  3668.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  3669.         esac

  3670.         if [ "$first" = true ]; then

  3671.             case $gcc_basever in

  3672.                 4.2*)

  3673.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  3674.             esac

  3675.         fi

  3676.         _cflags_speed='-O3'

  3677.         _cflags_size='-Os'

  3678.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  3679.         _type=icc

  3680.         _ident=$($_cc --version | head -n1)

  3681.         _depflags='-MMD'

  3682.         _cflags_speed='-O3'

  3683.         _cflags_size='-Os'

  3684.         _cflags_noopt='-O1'

  3685.         _flags_filter=icc_flags

  3686.     elif $_cc -v 2>&1 | grep -q xlc; then

  3687.         _type=xlc

  3688.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  3689.         _cflags_speed='-O5'

  3690.         _cflags_size='-O5 -qcompact'

  3691.     elif $_cc -V 2>/dev/null | grep -q Compaq; then

  3692.         _type=ccc

  3693.         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)

  3694.         _DEPFLAGS='-M'

  3695.         _cflags_speed='-fast'

  3696.         _cflags_size='-O1'

  3697.         _flags_filter=ccc_flags

  3698.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  3699.         test -d "$sysroot" || die "No valid sysroot specified."

  3700.         _type=armcc

  3701.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  3702.         armcc_conf="$PWD/armcc.conf"

  3703.         $_cc --arm_linux_configure                 \

  3704.              --arm_linux_config_file="$armcc_conf" \

  3705.              --configure_sysroot="$sysroot"        \

  3706.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  3707.              die "Error creating armcc configuration file."

  3708.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  3709.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  3710.         as_default="${cross_prefix}gcc"

  3711.         _depflags='-MMD'

  3712.         _cflags_speed='-O3'

  3713.         _cflags_size='-Os'

  3714.     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then

  3715.         _type=tms470

  3716.         _ident=$($_cc -version | head -n1 | tr -s ' ')

  3717.         _flags='--gcc --abi=eabi -me'

  3718.         _cc_e='-ppl -fe=$@'

  3719.         _cc_o='-fe=$@'

  3720.         _depflags='-ppa -ppd=$(@:.o=.d)'

  3721.         _cflags_speed='-O3 -mf=5'

  3722.         _cflags_size='-O3 -mf=2'

  3723.         _flags_filter=tms470_flags

  3724.     elif $_cc -v 2>&1 | grep -q clang; then

  3725.         _type=clang

  3726.         _ident=$($_cc --version 2>/dev/null | head -n1)

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

  3728.         _cflags_speed='-O3'

  3729.         _cflags_size='-Os'

  3730.     elif $_cc -V 2>&1 | grep -q Sun; then

  3731.         _type=suncc

  3732.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  3733.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  3734.         _DEPFLAGS='-xM1 -xc99'

  3735.         _ldflags='-std=c99'

  3736.         _cflags_speed='-O5'

  3737.         _cflags_size='-O5 -xspace'

  3738.         _flags_filter=suncc_flags

  3739.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  3740.         _type=pathscale

  3741.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3742.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3743.         _cflags_speed='-O2'

  3744.         _cflags_size='-Os'

  3745.         _flags_filter='filter_out -Wdisabled-optimization'

  3746.     elif $_cc -v 2>&1 | grep -q Open64; then

  3747.         _type=open64

  3748.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  3749.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  3750.         _cflags_speed='-O2'

  3751.         _cflags_size='-Os'

  3752.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  3753.     elif $_cc -V 2>&1 | grep -q Portland; then

  3754.         _type=pgi

  3755.         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"

  3756.         opt_common='-alias=ansi -Mdse -Mlre -Mpre'

  3757.         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"

  3758.         _cflags_size="-O2 -Munroll=c:1 $opt_common"

  3759.         _cflags_noopt="-O"

  3760.         _flags_filter=pgi_flags

  3761.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  3762.         _type=armasm

  3763.         _ident=$($_cc | head -n1)

  3764.         # 4509: "This form of conditional instruction is deprecated"

  3765.         _flags="-nologo -ignore 4509"

  3766.         _flags_filter=armasm_flags

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

  3768.         _type=icl

  3769.         _ident=$($_cc 2>&1 | head -n1)

  3770.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  3771.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  3772.         # versions (tested) as well.

  3773.         _cflags_speed="-O2"

  3774.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  3775.         if $_cc 2>&1 | grep -q Linker; then

  3776.             _ld_o='-out:$@'

  3777.         else

  3778.             _ld_o='-Fe$@'

  3779.         fi

  3780.         _cc_o='-Fo$@'

  3781.         _cc_e='-P'

  3782.         _flags_filter=icl_flags

  3783.         _ld_lib='lib%.a'

  3784.         _ld_path='-libpath:'

  3785.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  3786.         _flags='-nologo -Qdiag-error:4044,10157'

  3787.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  3788.         # with MSVC which enables it by default.

  3789.         _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  3790.         disable stripping

  3791.     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then

  3792.         _type=msvc

  3793.         _ident=$($_cc 2>&1 | head -n1)

  3794.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  3795.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  3796.         _cflags_speed="-O2"

  3797.         _cflags_size="-O1"

  3798.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  3799.             _ld_o='-out:$@'

  3800.         else

  3801.             _ld_o='-Fe$@'

  3802.         fi

  3803.         _cc_o='-Fo$@'

  3804.         _cc_e='-P -Fi$@'

  3805.         _flags_filter=msvc_flags

  3806.         _ld_lib='lib%.a'

  3807.         _ld_path='-libpath:'

  3808.         _flags='-nologo'

  3809.         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'

  3810.         disable stripping

  3811.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  3812.         _type=cparser

  3813.         _ident=$($_cc --version | head -n1)

  3814.         _depflags='-MMD'

  3815.         _cflags_speed='-O4'

  3816.         _cflags_size='-O2'

  3817.         _flags_filter=cparser_flags

  3818.     fi

  3819. 

  3820.     eval ${pfx}_type=\$_type

  3821.     eval ${pfx}_ident=\$_ident

  3822. }

  3823. 

  3824. set_ccvars(){

  3825.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  3826.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  3827.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  3828. 

  3829.     if [ -n "$_depflags" ]; then

  3830.         eval ${1}_DEPFLAGS=\$_depflags

  3831.     else

  3832.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  3833.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  3834.         eval DEP${1}FLAGS=\$_flags

  3835.     fi

  3836. }

  3837. 

  3838. probe_cc cc "$cc" "true"

  3839. cflags_filter=$_flags_filter

  3840. cflags_speed=$_cflags_speed

  3841. cflags_size=$_cflags_size

  3842. cflags_noopt=$_cflags_noopt

  3843. add_cflags $_flags $_cflags

  3844. cc_ldflags=$_ldflags

  3845. set_ccvars CC

  3846. 

  3847. probe_cc hostcc "$host_cc"

  3848. host_cflags_filter=$_flags_filter

  3849. add_host_cflags  $_flags $_cflags

  3850. set_ccvars HOSTCC

  3851. 

  3852. test -n "$cc_type" && enable $cc_type ||

  3853.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  3854. 

  3855. : ${as_default:=$cc}

  3856. : ${dep_cc_default:=$cc}

  3857. : ${ld_default:=$cc}

  3858. : ${host_ld_default:=$host_cc}

  3859. set_default ar as dep_cc ld host_ld windres

  3860. 

  3861. probe_cc as "$as"

  3862. asflags_filter=$_flags_filter

  3863. add_asflags $_flags $_cflags

  3864. set_ccvars AS

  3865. 

  3866. probe_cc ld "$ld"

  3867. ldflags_filter=$_flags_filter

  3868. add_ldflags $_flags $_ldflags

  3869. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  3870. LD_O=${_ld_o-$LD_O}

  3871. LD_LIB=${_ld_lib-$LD_LIB}

  3872. LD_PATH=${_ld_path-$LD_PATH}

  3873. 

  3874. probe_cc hostld "$host_ld"

  3875. host_ldflags_filter=$_flags_filter

  3876. add_host_ldflags $_flags $_ldflags

  3877. HOSTLD_O=${_ld_o-$HOSTLD_O}

  3878. 

  3879. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  3880.     probe_cc depcc "$dep_cc"

  3881.     CCDEP=${_DEPCMD:-$DEPCMD}

  3882.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  3883.     DEPCCFLAGS=$_flags

  3884. fi

  3885. 

  3886. if $ar 2>&1 | grep -q Microsoft; then

  3887.     arflags="-nologo"

  3888.     ar_o='-out:$@'

  3889. elif $ar 2>&1 | grep -q 'Texas Instruments'; then

  3890.     arflags="rq"

  3891.     ar_o='$@'

  3892. elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then

  3893.     arflags='-Xany -r -c'

  3894.     ar_o='$@'

  3895. elif $ar 2>&1 | grep -q "\[D\] "; then

  3896.     arflags="rcD"

  3897.     ar_o='$@'

  3898. else

  3899.     arflags="rc"

  3900.     ar_o='$@'

  3901. fi

  3902. 

  3903. add_cflags $extra_cflags

  3904. add_cxxflags $extra_cxxflags

  3905. add_asflags $extra_cflags

  3906. 

  3907. if test -n "$sysroot"; then

  3908.     case "$cc_type" in

  3909.         gcc|llvm_gcc|clang)

  3910.             add_cppflags --sysroot="$sysroot"

  3911.             add_ldflags --sysroot="$sysroot"

  3912. # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking

  3913.             add_cppflags -isysroot "$sysroot"

  3914.             add_ldflags -isysroot "$sysroot"

  3915.         ;;

  3916.         tms470)

  3917.             add_cppflags -I"$sysinclude"

  3918.             add_ldflags  --sysroot="$sysroot"

  3919.         ;;

  3920.     esac

  3921. fi

  3922. 

  3923. if test "$cpu" = host; then

  3924.     enabled cross_compile &&

  3925.         die "--cpu=host makes no sense when cross-compiling."

  3926. 

  3927.     case "$cc_type" in

  3928.         gcc|llvm_gcc)

  3929.             check_native(){

  3930.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  3931.                 sed -n "/cc1.*$1=/{

  3932.                             s/.*$1=\\([^ ]*\\).*/\\1/

  3933.                             p

  3934.                             q

  3935.                         }" $TMPE

  3936.             }

  3937.             cpu=$(check_native -march || check_native -mcpu)

  3938.         ;;

  3939.     esac

  3940. 

  3941.     test "${cpu:-host}" = host &&

  3942.         die "--cpu=host not supported with compiler $cc"

  3943. fi

  3944. 

  3945. # Deal with common $arch aliases

  3946. case "$arch" in

  3947.     aarch64|arm64)

  3948.         arch="aarch64"

  3949.     ;;

  3950.     arm*|iPad*|iPhone*)

  3951.         arch="arm"

  3952.     ;;

  3953.     mips*|IP*)

  3954.         arch="mips"

  3955.     ;;

  3956.     parisc*|hppa*)

  3957.         arch="parisc"

  3958.     ;;

  3959.     "Power Macintosh"|ppc*|powerpc*)

  3960.         arch="ppc"

  3961.     ;;

  3962.     s390|s390x)

  3963.         arch="s390"

  3964.     ;;

  3965.     sh4|sh)

  3966.         arch="sh4"

  3967.     ;;

  3968.     sun4u|sparc*)

  3969.         arch="sparc"

  3970.     ;;

  3971.     tilegx|tile-gx)

  3972.         arch="tilegx"

  3973.     ;;

  3974.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  3975.         arch="x86"

  3976.     ;;

  3977. esac

  3978. 

  3979. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  3980. enable $arch

  3981. 

  3982. # Add processor-specific flags

  3983. if enabled aarch64; then

  3984. 

  3985.     case $cpu in

  3986.         armv*)

  3987.             cpuflags="-march=$cpu"

  3988.         ;;

  3989.         *)

  3990.             cpuflags="-mcpu=$cpu"

  3991.         ;;

  3992.     esac

  3993. 

  3994. elif enabled alpha; then

  3995. 

  3996.     cpuflags="-mcpu=$cpu"

  3997. 

  3998. elif enabled arm; then

  3999. 

  4000.     check_arm_arch() {

  4001.         check_cpp_condition stddef.h \

  4002.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4003.             $cpuflags

  4004.     }

  4005. 

  4006.     probe_arm_arch() {

  4007.         if   check_arm_arch 4;        then echo armv4;

  4008.         elif check_arm_arch 4T;       then echo armv4t;

  4009.         elif check_arm_arch 5;        then echo armv5;

  4010.         elif check_arm_arch 5E;       then echo armv5e;

  4011.         elif check_arm_arch 5T;       then echo armv5t;

  4012.         elif check_arm_arch 5TE;      then echo armv5te;

  4013.         elif check_arm_arch 5TEJ;     then echo armv5te;

  4014.         elif check_arm_arch 6;        then echo armv6;

  4015.         elif check_arm_arch 6J;       then echo armv6j;

  4016.         elif check_arm_arch 6K;       then echo armv6k;

  4017.         elif check_arm_arch 6Z;       then echo armv6z;

  4018.         elif check_arm_arch 6ZK;      then echo armv6zk;

  4019.         elif check_arm_arch 6T2;      then echo armv6t2;

  4020.         elif check_arm_arch 7;        then echo armv7;

  4021.         elif check_arm_arch 7A  7_A;  then echo armv7-a;

  4022.         elif check_arm_arch 7S;       then echo armv7-a;

  4023.         elif check_arm_arch 7R  7_R;  then echo armv7-r;

  4024.         elif check_arm_arch 7M  7_M;  then echo armv7-m;

  4025.         elif check_arm_arch 7EM 7E_M; then echo armv7-m;

  4026.         elif check_arm_arch 8A  8_A;  then echo armv8-a;

  4027.         fi

  4028.     }

  4029. 

  4030.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4031. 

  4032.     case $cpu in

  4033.         armv*)

  4034.             cpuflags="-march=$cpu"

  4035.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4036.         ;;

  4037.         *)

  4038.             cpuflags="-mcpu=$cpu"

  4039.             case $cpu in

  4040.                 cortex-a*)                               subarch=armv7a  ;;

  4041.                 cortex-r*)                               subarch=armv7r  ;;

  4042.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4043.                 arm11*)                                  subarch=armv6   ;;

  4044.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4045.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4046.                 *)                             subarch=$(probe_arm_arch) ;;

  4047.             esac

  4048.         ;;

  4049.     esac

  4050. 

  4051.     case "$subarch" in

  4052.         armv5t*)    enable fast_clz                ;;

  4053.         armv[6-8]*)

  4054.             enable fast_clz

  4055.             disabled fast_unaligned || enable fast_unaligned

  4056.             ;;

  4057.     esac

  4058. 

  4059. elif enabled avr32; then

  4060. 

  4061.     case $cpu in

  4062.         ap7[02]0[0-2])

  4063.             subarch="avr32_ap"

  4064.             cpuflags="-mpart=$cpu"

  4065.         ;;

  4066.         ap)

  4067.             subarch="avr32_ap"

  4068.             cpuflags="-march=$cpu"

  4069.         ;;

  4070.         uc3[ab]*)

  4071.             subarch="avr32_uc"

  4072.             cpuflags="-mcpu=$cpu"

  4073.         ;;

  4074.         uc)

  4075.             subarch="avr32_uc"

  4076.             cpuflags="-march=$cpu"

  4077.         ;;

  4078.     esac

  4079. 

  4080. elif enabled bfin; then

  4081. 

  4082.     cpuflags="-mcpu=$cpu"

  4083. 

  4084. elif enabled mips; then

  4085. 

  4086.     cpuflags="-march=$cpu"

  4087. 

  4088.     case $cpu in

  4089.         24kc)

  4090.             disable mips32r5

  4091.             disable mips64r6

  4092.             disable mipsfpu

  4093.             disable mipsdsp

  4094.             disable mipsdspr2

  4095.             disable msa

  4096.         ;;

  4097.         24kf*)

  4098.             disable mips32r5

  4099.             disable mips64r6

  4100.             disable mipsdsp

  4101.             disable mipsdspr2

  4102.             disable msa

  4103.         ;;

  4104.         24kec|34kc|1004kc)

  4105.             disable mips32r5

  4106.             disable mips64r6

  4107.             disable mipsfpu

  4108.             disable mipsdspr2

  4109.             disable msa

  4110.         ;;

  4111.         24kef*|34kf*|1004kf*)

  4112.             disable mips32r5

  4113.             disable mips64r6

  4114.             disable mipsdspr2

  4115.             disable msa

  4116.         ;;

  4117.         74kc)

  4118.             disable mips32r5

  4119.             disable mips64r6

  4120.             disable mipsfpu

  4121.             disable msa

  4122.         ;;

  4123.         74kf)

  4124.             disable mips32r5

  4125.             disable mips64r6

  4126.             disable msa

  4127.         ;;

  4128.         p5600)

  4129.             disable mips64r6

  4130.             disable mipsdsp

  4131.             disable mipsdspr2

  4132. 

  4133.             check_cflags "-mtune=p5600"

  4134.         ;;

  4135.         i6400)

  4136.             disable mips32r5

  4137.             disable mipsdsp

  4138.             disable mipsdspr2

  4139.             disable mipsfpu

  4140. 

  4141.             check_cflags "-mtune=i6400 -mabi=64"

  4142.             check_ldflags "-mabi=64"

  4143.         ;;

  4144.         loongson*)

  4145.             disable mipsfpu

  4146.             disable mips32r2

  4147.             disable mips32r5

  4148.             disable mips64r6

  4149.             disable mipsdsp

  4150.             disable mipsdspr2

  4151.             disable msa

  4152.             enable local_aligned_8 local_aligned_16 local_aligned_32

  4153.             enable simd_align_16

  4154.             enable fast_64bit

  4155.             enable fast_clz

  4156.             enable fast_cmov

  4157.             enable fast_unaligned

  4158.             disable aligned_stack

  4159.             case $cpu in

  4160.                 loongson3*)

  4161.                     cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"

  4162.                 ;;

  4163.                 loongson2e)

  4164.                     cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"

  4165.                 ;;

  4166.                 loongson2f)

  4167.                     cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"

  4168.                 ;;

  4169.             esac

  4170.         ;;

  4171.         generic)

  4172.             disable mips32r5

  4173.             disable mips64r6

  4174.             disable msa

  4175.         ;;

  4176.         *)

  4177.             disable mipsfpu

  4178.             disable mips32r2

  4179.             disable mips32r5

  4180.             disable mips64r6

  4181.             disable mipsdsp

  4182.             disable mipsdspr2

  4183.             disable msa

  4184.         ;;

  4185.     esac

  4186. 

  4187. elif enabled ppc; then

  4188. 

  4189.     disable ldbrx

  4190. 

  4191.     case $(tolower $cpu) in

  4192.         601|ppc601|powerpc601)

  4193.             cpuflags="-mcpu=601"

  4194.             disable altivec

  4195.         ;;

  4196.         603*|ppc603*|powerpc603*)

  4197.             cpuflags="-mcpu=603"

  4198.             disable altivec

  4199.         ;;

  4200.         604*|ppc604*|powerpc604*)

  4201.             cpuflags="-mcpu=604"

  4202.             disable altivec

  4203.         ;;

  4204.         g3|75*|ppc75*|powerpc75*)

  4205.             cpuflags="-mcpu=750"

  4206.             disable altivec

  4207.         ;;

  4208.         g4|745*|ppc745*|powerpc745*)

  4209.             cpuflags="-mcpu=7450"

  4210.             disable vsx

  4211.         ;;

  4212.         74*|ppc74*|powerpc74*)

  4213.             cpuflags="-mcpu=7400"

  4214.             disable vsx

  4215.         ;;

  4216.         g5|970|ppc970|powerpc970)

  4217.             cpuflags="-mcpu=970"

  4218.             disable vsx

  4219.         ;;

  4220.         power[3-6]*)

  4221.             cpuflags="-mcpu=$cpu"

  4222.             disable vsx

  4223.         ;;

  4224.         power[7-8]*)

  4225.             cpuflags="-mcpu=$cpu"

  4226.         ;;

  4227.         cell)

  4228.             cpuflags="-mcpu=cell"

  4229.             enable ldbrx

  4230.             disable vsx

  4231.         ;;

  4232.         e500mc)

  4233.             cpuflags="-mcpu=e500mc"

  4234.             disable altivec

  4235.         ;;

  4236.         e500v2)

  4237.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  4238.             disable altivec

  4239.             disable dcbzl

  4240.         ;;

  4241.         e500)

  4242.             cpuflags="-mcpu=8540 -mhard-float"

  4243.             disable altivec

  4244.             disable dcbzl

  4245.         ;;

  4246.     esac

  4247. 

  4248. elif enabled sparc; then

  4249. 

  4250.     case $cpu in

  4251.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  4252.             cpuflags="-mcpu=$cpu"

  4253.         ;;

  4254.         ultrasparc*|niagara[234])

  4255.             cpuflags="-mcpu=$cpu"

  4256.         ;;

  4257.     esac

  4258. 

  4259. elif enabled x86; then

  4260. 

  4261.     case $cpu in

  4262.         i[345]86|pentium)

  4263.             cpuflags="-march=$cpu"

  4264.             disable i686

  4265.             disable mmx

  4266.         ;;

  4267.         # targets that do NOT support nopl and conditional mov (cmov)

  4268.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  4269.             cpuflags="-march=$cpu"

  4270.             disable i686

  4271.         ;;

  4272.         # targets that do support nopl and conditional mov (cmov)

  4273.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  4274.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)

  4275.             cpuflags="-march=$cpu"

  4276.             enable i686

  4277.             enable fast_cmov

  4278.         ;;

  4279.         # targets that do support conditional mov but on which it's slow

  4280.         pentium4|pentium4m|prescott|nocona)

  4281.             cpuflags="-march=$cpu"

  4282.             enable i686

  4283.             disable fast_cmov

  4284.         ;;

  4285.     esac

  4286. 

  4287. fi

  4288. 

  4289. if [ "$cpu" != generic ]; then

  4290.     add_cflags  $cpuflags

  4291.     add_asflags $cpuflags

  4292.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  4293. fi

  4294. 

  4295. # compiler sanity check

  4296. check_exec <<EOF

  4297. int main(void){ return 0; }

  4298. EOF

  4299. if test "$?" != 0; then

  4300.     echo "$cc is unable to create an executable file."

  4301.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  4302.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  4303.         echo "Only do this if you know what cross compiling means."

  4304.     fi

  4305.     die "C compiler test failed."

  4306. fi

  4307. 

  4308. add_cppflags -D_ISOC99_SOURCE

  4309. add_cxxflags -D__STDC_CONSTANT_MACROS

  4310. check_cflags -std=c99

  4311. check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64

  4312. #include <stdlib.h>

  4313. EOF

  4314. check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE

  4315. #include <stdlib.h>

  4316. EOF

  4317. 

  4318. add_host_cppflags -D_ISOC99_SOURCE

  4319. check_host_cflags -std=c99

  4320. check_host_cflags -Wall

  4321. check_host_cflags -O3

  4322. 

  4323. check_64bit(){

  4324.     arch32=$1

  4325.     arch64=$2

  4326.     expr=$3

  4327.     check_code cc "" "int test[2*($expr) - 1]" &&

  4328.         subarch=$arch64 || subarch=$arch32

  4329. }

  4330. 

  4331. case "$arch" in

  4332.     aarch64|alpha|ia64)

  4333.         spic=$shared

  4334.     ;;

  4335.     mips)

  4336.         check_64bit mips mips64 '_MIPS_SIM > 1'

  4337.         spic=$shared

  4338.     ;;

  4339.     parisc)

  4340.         check_64bit parisc parisc64 'sizeof(void *) > 4'

  4341.         spic=$shared

  4342.     ;;

  4343.     ppc)

  4344.         check_64bit ppc ppc64 'sizeof(void *) > 4'

  4345.         spic=$shared

  4346.     ;;

  4347.     s390)

  4348.         check_64bit s390 s390x 'sizeof(void *) > 4'

  4349.         spic=$shared

  4350.     ;;

  4351.     sparc)

  4352.         check_64bit sparc sparc64 'sizeof(void *) > 4'

  4353.         spic=$shared

  4354.     ;;

  4355.     x86)

  4356.         check_64bit x86_32 x86_64 'sizeof(void *) > 4'

  4357.         # Treat x32 as x64 for now. Note it also needs spic=$shared

  4358.         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&

  4359.             subarch=x86_64

  4360.         if test "$subarch" = "x86_64"; then

  4361.             spic=$shared

  4362.         fi

  4363.     ;;

  4364.     ppc)

  4365.         check_cc <<EOF && subarch="ppc64"

  4366.         int test[(int)sizeof(char*) - 7];

  4367. EOF

  4368.     ;;

  4369. esac

  4370. 

  4371. enable $subarch

  4372. enabled spic && enable_weak pic

  4373. 

  4374. # OS specific

  4375. case $target_os in

  4376.     aix)

  4377.         SHFLAGS=-shared

  4378.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  4379.         enabled shared && add_ldflags -Wl,-brtl

  4380.         ;;

  4381.     android)

  4382.         disable symver

  4383.         enable section_data_rel_ro

  4384.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  4385.         SLIB_INSTALL_LINKS=

  4386.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  4387.         ;;

  4388.     haiku)

  4389.         prefix_default="/boot/common"

  4390.         network_extralibs="-lnetwork"

  4391.         host_libs=

  4392.         ;;

  4393.     sunos)

  4394.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  4395.         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"

  4396.         network_extralibs="-lsocket -lnsl"

  4397.         add_cppflags -D__EXTENSIONS__

  4398.         # When using suncc to build, the Solaris linker will mark

  4399.         # an executable with each instruction set encountered by

  4400.         # the Solaris assembler.  As our libraries contain their own

  4401.         # guards for processor-specific code, instead suppress

  4402.         # generation of the HWCAPS ELF section on Solaris x86 only.

  4403.         enabled_all suncc x86 &&

  4404.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  4405.             add_ldflags -Wl,-M,mapfile

  4406.         nm_default='nm -P -g'

  4407.         SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'

  4408.         ;;

  4409.     netbsd)

  4410.         disable symver

  4411.         oss_indev_extralibs="-lossaudio"

  4412.         oss_outdev_extralibs="-lossaudio"

  4413.         enabled gcc || check_ldflags -Wl,-zmuldefs

  4414.         ;;

  4415.     openbsd|bitrig)

  4416.         disable symver

  4417.         SHFLAGS='-shared'

  4418.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  4419.         SLIB_INSTALL_LINKS=

  4420.         oss_indev_extralibs="-lossaudio"

  4421.         oss_outdev_extralibs="-lossaudio"

  4422.         ;;

  4423.     dragonfly)

  4424.         disable symver

  4425.         ;;

  4426.     freebsd)

  4427.         ;;

  4428.     bsd/os)

  4429.         add_extralibs -lpoll -lgnugetopt

  4430.         strip="strip -d"

  4431.         ;;

  4432.     darwin)

  4433.         enabled ppc && add_asflags -force_cpusubtype_ALL

  4434.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  4435.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  4436.         strip="${strip} -x"

  4437.         add_ldflags -Wl,-dynamic,-search_paths_first

  4438.         SLIBSUF=".dylib"

  4439.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  4440.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  4441.         objformat="macho"

  4442.         enabled x86_64 && objformat="macho64"

  4443.         enabled_any pic shared x86_64 ||

  4444.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  4445.         ;;

  4446.     msys*)

  4447.         die "Native MSYS builds are discouraged, please use the MINGW environment.";

  4448.         ;;

  4449.     mingw32*|mingw64*)

  4450.         if test $target_os = "mingw32ce"; then

  4451.             disable network

  4452.         else

  4453.             target_os=mingw32

  4454.         fi

  4455.         decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  4456.         decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  4457.         LIBTARGET=i386

  4458.         if enabled x86_64; then

  4459.             LIBTARGET="i386:x86-64"

  4460.         elif enabled arm; then

  4461.             LIBTARGET=arm-wince

  4462.         fi

  4463.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4464.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  4465.         shlibdir_default="$bindir_default"

  4466.         SLIBPREF=""

  4467.         SLIBSUF=".dll"

  4468.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4469.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4470.         dlltool="${cross_prefix}dlltool"

  4471.         if check_cmd lib.exe -list; then

  4472.             SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4473.             if enabled x86_64; then

  4474.                 LIBTARGET=x64

  4475.             fi

  4476.         elif check_cmd $dlltool --version; then

  4477.             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)'

  4478.         fi

  4479.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4480.         SLIB_INSTALL_LINKS=

  4481.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4482.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4483.         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'

  4484.         objformat="win32"

  4485.         ranlib=:

  4486.         enable dos_paths

  4487.         check_ldflags -Wl,--nxcompat,--dynamicbase

  4488.         # Lets work around some stupidity in binutils.

  4489.         # ld will strip relocations from executables even though we need them

  4490.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  4491.         # however ld then forgets what the entry point should be (oops) so we

  4492.         # have to manually (re)set it.

  4493.         if enabled x86_32; then

  4494.             add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  4495.         elif enabled x86_64; then

  4496.             add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  4497.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  4498.             # Set image base >4GB for extra entropy with HEASLR

  4499.             add_ldexeflags -Wl,--image-base,0x140000000

  4500.             append SHFLAGS -Wl,--image-base,0x180000000

  4501.         fi

  4502.         ;;

  4503.     win32|win64)

  4504.         disable symver

  4505.         if enabled shared; then

  4506.             # Link to the import library instead of the normal static library

  4507.             # for shared libs.

  4508.             LD_LIB='%.lib'

  4509.             # Cannot build both shared and static libs with MSVC or icl.

  4510.             disable static

  4511.         fi

  4512.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  4513.         shlibdir_default="$bindir_default"

  4514.         SLIBPREF=""

  4515.         SLIBSUF=".dll"

  4516.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4517.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4518.         SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  4519.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4520.         SLIB_INSTALL_LINKS=

  4521.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  4522.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  4523.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  4524.         objformat="win32"

  4525.         ranlib=:

  4526.         enable dos_paths

  4527.         ;;

  4528.     cygwin*)

  4529.         target_os=cygwin

  4530.         shlibdir_default="$bindir_default"

  4531.         SLIBPREF="cyg"

  4532.         SLIBSUF=".dll"

  4533.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  4534.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  4535.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  4536.         SLIB_INSTALL_LINKS=

  4537.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  4538.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  4539.         objformat="win32"

  4540.         enable dos_paths

  4541.         enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres

  4542.         ;;

  4543.     *-dos|freedos|opendos)

  4544.         network_extralibs="-lsocket"

  4545.         objformat="coff"

  4546.         enable dos_paths

  4547.         add_cppflags -U__STRICT_ANSI__

  4548.         ;;

  4549.     linux)

  4550.         enable dv1394

  4551.         enable section_data_rel_ro

  4552.         ;;

  4553.     irix*)

  4554.         target_os=irix

  4555.         ranlib="echo ignoring ranlib"

  4556.         ;;

  4557.     os/2*)

  4558.         strip="lxlite -CS"

  4559.         ln_s="cp -f"

  4560.         objformat="aout"

  4561.         add_cppflags -D_GNU_SOURCE

  4562.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap

  4563.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  4564.         LIBSUF="_s.a"

  4565.         SLIBPREF=""

  4566.         SLIBSUF=".dll"

  4567.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'

  4568.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  4569.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \

  4570.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \

  4571.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \

  4572.             echo EXPORTS >> $(SUBDIR)$(NAME).def; \

  4573.             emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'

  4574.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \

  4575.             emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'

  4576.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'

  4577.         enable dos_paths

  4578.         enable_weak os2threads

  4579.         ;;

  4580.     gnu/kfreebsd)

  4581.         add_cppflags -D_BSD_SOURCE

  4582.         ;;

  4583.     gnu)

  4584.         ;;

  4585.     qnx)

  4586.         add_cppflags -D_QNX_SOURCE

  4587.         network_extralibs="-lsocket"

  4588.         ;;

  4589.     symbian)

  4590.         SLIBSUF=".dll"

  4591.         enable dos_paths

  4592.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  4593.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  4594.         add_ldflags -Wl,--target1-abs,--no-undefined \

  4595.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  4596.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  4597.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  4598.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  4599.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  4600.         ;;

  4601.     osf1)

  4602.         add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT

  4603.         ;;

  4604.     minix)

  4605.         ;;

  4606.     plan9)

  4607.         add_cppflags -D_C99_SNPRINTF_EXTENSION  \

  4608.                      -D_REENTRANT_SOURCE        \

  4609.                      -D_RESEARCH_SOURCE         \

  4610.                      -DFD_SETSIZE=96            \

  4611.                      -DHAVE_SOCK_OPTS

  4612.         add_compat strtod.o strtod=avpriv_strtod

  4613.         network_extralibs='-lbsd'

  4614.         exeobjs=compat/plan9/main.o

  4615.         disable ffserver

  4616.         cp_f='cp'

  4617.         ;;

  4618.     none)

  4619.         ;;

  4620.     *)

  4621.         die "Unknown OS '$target_os'."

  4622.         ;;

  4623. esac

  4624. 

  4625. # determine libc flavour

  4626. 

  4627. probe_libc(){

  4628.     pfx=$1

  4629.     pfx_no_=${pfx%_}

  4630.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  4631.     if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  4632.         eval ${pfx}libc_type=uclibc

  4633.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4634.     elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  4635.         eval ${pfx}libc_type=glibc

  4636.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  4637.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  4638.     elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  4639.         eval ${pfx}libc_type=newlib

  4640.         add_${pfx}cppflags -U__STRICT_ANSI__

  4641.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  4642.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  4643.         eval ${pfx}libc_type=mingw64

  4644.         if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  4645.             add_compat msvcrt/snprintf.o

  4646.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  4647.         fi

  4648.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4649.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4650.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4651.     elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  4652.          check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  4653.         eval ${pfx}libc_type=mingw32

  4654.         check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  4655.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  4656.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  4657.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  4658.         eval test \$${pfx_no_}cc_type = "gcc" &&

  4659.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  4660.     elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  4661.         eval ${pfx}libc_type=msvcrt

  4662.         if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  4663.             if [ "$pfx" = host_ ]; then

  4664.                 add_host_cppflags -Dsnprintf=_snprintf

  4665.             else

  4666.                 add_compat strtod.o strtod=avpriv_strtod

  4667.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  4668.                                              _snprintf=avpriv_snprintf  \

  4669.                                              vsnprintf=avpriv_vsnprintf

  4670.             fi

  4671.         fi

  4672.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  4673.         # 0x601 by default unless something else is set by the user.

  4674.         # This can easily lead to us detecting functions only present

  4675.         # in such new versions and producing binaries requiring windows 7.0.

  4676.         # Therefore explicitly set the default to XP unless the user has

  4677.         # set something else on the command line.

  4678.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  4679.         # family. For these cases, configure is free to use any functions

  4680.         # found in the SDK headers by default. (Alternatively, we could force

  4681.         # _WIN32_WINNT to 0x0602 in that case.)

  4682.         check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  4683.             { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }

  4684. #ifdef WINAPI_FAMILY

  4685. #include <winapifamily.h>

  4686. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  4687. #error not desktop

  4688. #endif

  4689. #endif

  4690. EOF

  4691.     elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  4692.         eval ${pfx}libc_type=klibc

  4693.     elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  4694.         eval ${pfx}libc_type=bionic

  4695.     elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  4696.         eval ${pfx}libc_type=solaris

  4697.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  4698.     fi

  4699.     check_${pfx}cc <<EOF

  4700. #include <time.h>

  4701. void *v = localtime_r;

  4702. EOF

  4703. 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

  4704. #include <time.h>

  4705. void *v = localtime_r;

  4706. EOF

  4707. 

  4708. }

  4709. 

  4710. probe_libc

  4711. test -n "$libc_type" && enable libc_$libc_type

  4712. probe_libc host_

  4713. test -n "$host_libc_type" && enable host_libc_$host_libc_type

  4714. 

  4715. case $libc_type in

  4716.     bionic)

  4717.         add_compat strtod.o strtod=avpriv_strtod

  4718.         ;;

  4719. esac

  4720. 

  4721. # hacks for compiler/libc/os combinations

  4722. 

  4723. if enabled_all tms470 libc_glibc; then

  4724.     CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"

  4725.     add_cppflags -D__USER_LABEL_PREFIX__=

  4726.     add_cppflags -D__builtin_memset=memset

  4727.     add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED

  4728.     add_cflags   -pds=48    # incompatible redefinition of macro

  4729. fi

  4730. 

  4731. if enabled_all ccc libc_glibc; then

  4732.     add_ldflags -Wl,-z,now  # calls to libots crash without this

  4733. fi

  4734. 

  4735. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  4736.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  4737. 

  4738. esc(){

  4739.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  4740. }

  4741. 

  4742. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate

  4743. 

  4744. check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  4745. 

  4746. set_default libdir

  4747. : ${shlibdir_default:="$libdir"}

  4748. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  4749. 

  4750. set_default $PATHS_LIST

  4751. set_default nm

  4752. 

  4753. # we need to build at least one lib type

  4754. if ! enabled_any static shared; then

  4755.     cat <<EOF

  4756. At least one library type must be built.

  4757. Specify --enable-static to build the static libraries or --enable-shared to

  4758. build the shared libraries as well. To only build the shared libraries specify

  4759. --disable-static in addition to --enable-shared.

  4760. EOF

  4761.     exit 1;

  4762. fi

  4763. 

  4764. die_license_disabled() {

  4765.     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }

  4766. }

  4767. 

  4768. die_license_disabled_gpl() {

  4769.     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }

  4770. }

  4771. 

  4772. die_license_disabled gpl frei0r

  4773. die_license_disabled gpl libcdio

  4774. die_license_disabled gpl librubberband

  4775. die_license_disabled gpl libsmbclient

  4776. die_license_disabled gpl libutvideo

  4777. die_license_disabled gpl libvidstab

  4778. die_license_disabled gpl libx264

  4779. die_license_disabled gpl libx265

  4780. die_license_disabled gpl libxavs

  4781. die_license_disabled gpl libxvid

  4782. die_license_disabled gpl libzvbi

  4783. die_license_disabled gpl x11grab

  4784. 

  4785. die_license_disabled nonfree libaacplus

  4786. die_license_disabled nonfree libfaac

  4787. die_license_disabled nonfree nvenc

  4788. enabled gpl && die_license_disabled_gpl nonfree libfdk_aac

  4789. enabled gpl && die_license_disabled_gpl nonfree openssl

  4790. 

  4791. die_license_disabled version3 gmp

  4792. die_license_disabled version3 libopencore_amrnb

  4793. die_license_disabled version3 libopencore_amrwb

  4794. die_license_disabled version3 libsmbclient

  4795. die_license_disabled version3 libvo_aacenc

  4796. die_license_disabled version3 libvo_amrwbenc

  4797. 

  4798. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4799. 

  4800. disabled optimizations || check_cflags -fomit-frame-pointer

  4801. 

  4802. enable_weak_pic() {

  4803.     disabled pic && return

  4804.     enable pic

  4805.     add_cppflags -DPIC

  4806.     case "$target_os" in

  4807.     mingw*|cygwin*)

  4808.         ;;

  4809.     *)

  4810.         add_cflags -fPIC

  4811.         ;;

  4812.     esac

  4813.     add_asflags  -fPIC

  4814. }

  4815. 

  4816. enabled pic && enable_weak_pic

  4817. 

  4818. check_cc <<EOF || die "Symbol mangling check failed."

  4819. int ff_extern;

  4820. EOF

  4821. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  4822. extern_prefix=${sym%%ff_extern*}

  4823. 

  4824. check_cc <<EOF && enable_weak inline_asm

  4825. void foo(void) { __asm__ volatile ("" ::); }

  4826. EOF

  4827. 

  4828. _restrict=

  4829. for restrict_keyword in restrict __restrict__ __restrict; do

  4830.     check_cc <<EOF && _restrict=$restrict_keyword && break

  4831. void foo(char * $restrict_keyword p);

  4832. EOF

  4833. done

  4834. 

  4835. check_cc <<EOF && enable pragma_deprecated

  4836. void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }

  4837. EOF

  4838. 

  4839. check_cc <<EOF && enable attribute_packed

  4840. struct { int x; } __attribute__((packed)) x;

  4841. EOF

  4842. 

  4843. check_cc <<EOF && enable attribute_may_alias

  4844. union { int x; } __attribute__((may_alias)) x;

  4845. EOF

  4846. 

  4847. check_cc <<EOF || die "endian test failed"

  4848. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  4849. EOF

  4850. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  4851. 

  4852. if ! enabled ppc64 || enabled bigendian; then

  4853.     disable vsx

  4854. fi

  4855. 

  4856. check_gas() {

  4857.     log "check_gas using '$as' as AS"

  4858.     # :vararg is used on aarch64, arm and ppc altivec

  4859.     check_as <<EOF || return 1

  4860. .macro m n, y:vararg=0

  4861. \n: .int \y

  4862. .endm

  4863. m x

  4864. EOF

  4865.     # .altmacro is only used in arm asm

  4866.     ! enabled arm || check_as <<EOF || return 1

  4867. .altmacro

  4868. EOF

  4869.     enable gnu_as

  4870.     return 0

  4871. }

  4872. 

  4873. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  4874.     nogas=:

  4875.     enabled_any arm aarch64 && nogas=die

  4876.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  4877.     as_noop=-v

  4878. 

  4879.     case $as_type in

  4880.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  4881.         gcc)  gaspp_as_type=gas ;;

  4882.         *)    gaspp_as_type=$as_type ;;

  4883.     esac

  4884. 

  4885.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  4886. 

  4887.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  4888.     check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  4889.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  4890. 

  4891.     if ! check_gas ; then

  4892.         as=${gas:=$as}

  4893.         check_gas || \

  4894.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  4895.     fi

  4896. 

  4897.     check_as <<EOF && enable as_func

  4898. .func test

  4899. .endfunc

  4900. EOF

  4901. fi

  4902. 

  4903. check_inline_asm inline_asm_labels '"1:\n"'

  4904. 

  4905. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  4906. 

  4907. if enabled aarch64; then

  4908.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  4909.     # internal assembler in clang 3.3 does not support this instruction

  4910.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  4911.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  4912. 

  4913.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  4914. 

  4915. elif enabled alpha; then

  4916. 

  4917.     check_cflags -mieee

  4918. 

  4919. elif enabled arm; then

  4920. 

  4921.     enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb

  4922. 

  4923.     check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb

  4924. float func(float a, float b){ return a+b; }

  4925. EOF

  4926. 

  4927.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  4928. 

  4929.     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then

  4930.         enable vfp_args

  4931.     elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  4932.         enable vfp_args

  4933.     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  4934.         case "${cross_prefix:-$cc}" in

  4935.             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;

  4936.             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;

  4937. __asm__ (".eabi_attribute 28, 1");

  4938. int main(void) { return 0; }

  4939. EOF

  4940.         esac

  4941.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  4942.     fi

  4943. 

  4944.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  4945.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  4946.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  4947.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  4948.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  4949.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  4950.     enabled setend  && check_insn setend  'setend be'

  4951. 

  4952.     [ $target_os = linux ] || [ $target_os = android ] ||

  4953.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  4954.             $ARCH_EXT_LIST_ARM

  4955. 

  4956.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  4957. 

  4958.     check_as <<EOF && enable as_dn_directive

  4959. ra .dn d0.i16

  4960. .unreq ra

  4961. EOF

  4962. 

  4963.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  4964.     [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch

  4965. .object_arch armv4

  4966. EOF

  4967. 

  4968.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  4969. 

  4970. elif enabled mips; then

  4971. 

  4972.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  4973.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  4974.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  4975. 

  4976.     # Enable minimum ISA based on selected options

  4977.     if enabled mips64 && (enabled mipsdsp || enabled mipsdspr2); then

  4978.         add_cflags "-mips64r2"

  4979.         add_asflags "-mips64r2"

  4980.     elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then

  4981.         add_cflags "-mips64"

  4982.         add_asflags "-mips64"

  4983.     elif enabled mipsdsp || enabled mipsdspr2; then

  4984.         add_cflags "-mips32r2 -mfp32"

  4985.         add_asflags "-mips32r2 -mfp32"

  4986.     elif enabled mips32r5 || enabled mips64r6; then

  4987.         check_cflags "-mfp64"

  4988.         check_ldflags "-mfp64"

  4989.     fi

  4990. 

  4991.     enabled mips32r5  && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&

  4992.      check_ldflags "-mips32r5" &&

  4993.      check_inline_asm mips32r5  '"ulw $t0, ($t1)"'

  4994.     enabled mips64r6  && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&

  4995.      check_ldflags "-mips64r6" &&

  4996.      check_inline_asm mips64r6  '"aui $t0, $t1, 1"'

  4997.     enabled mipsdsp && add_cflags "-mdsp" && add_asflags "-mdsp" &&

  4998.      check_inline_asm mipsdsp '"addu.qb $t0, $t1, $t2"'

  4999.     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&

  5000.      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'

  5001.     enabled mipsfpu   && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&

  5002.      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'

  5003.     enabled msa       && check_cflags "-mmsa" && check_ldflags "-mmsa" &&

  5004.      check_inline_asm msa       '"addvi.b $w0, $w1, 1"'

  5005. 

  5006.     enabled mips32r5 && add_asflags "-mips32r5 -mfp64"

  5007.     enabled mips64r6 && add_asflags "-mips64r6 -mfp64"

  5008.     enabled msa && add_asflags "-mmsa"

  5009. 

  5010. elif enabled parisc; then

  5011. 

  5012.     if enabled gcc; then

  5013.         case $($cc -dumpversion) in

  5014.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5015.         esac

  5016.     fi

  5017. 

  5018. elif enabled ppc; then

  5019. 

  5020.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5021. 

  5022.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5023.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5024.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5025.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5026. 

  5027.     # AltiVec flags: The FSF version of GCC differs from the Apple version

  5028.     if enabled altivec; then

  5029.         check_cflags -maltivec -mabi=altivec &&

  5030.         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||

  5031.         check_cflags -faltivec

  5032. 

  5033.         # check if our compiler supports Motorola AltiVec C API

  5034.         check_cc <<EOF || disable altivec

  5035. $inc_altivec_h

  5036. int main(void) {

  5037.     vector signed int v1 = (vector signed int) { 0 };

  5038.     vector signed int v2 = (vector signed int) { 1 };

  5039.     v1 = vec_add(v1, v2);

  5040.     return 0;

  5041. }

  5042. EOF

  5043. 

  5044.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5045.     fi

  5046. 

  5047.     if enabled vsx; then

  5048.         check_cflags -mvsx &&

  5049.         check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx

  5050.     fi

  5051. 

  5052.     if enabled power8; then

  5053.         check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8

  5054.     fi

  5055. 

  5056. elif enabled x86; then

  5057. 

  5058.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5059.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5060. 

  5061.     enable local_aligned_8 local_aligned_16 local_aligned_32

  5062. 

  5063.     # check whether EBP is available on x86

  5064.     # As 'i' is stored on the stack, this program will crash

  5065.     # if the base pointer is used to access it because the

  5066.     # base pointer is cleared in the inline assembly code.

  5067.     check_exec_crash <<EOF && enable ebp_available

  5068. volatile int i=0;

  5069. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5070. return i;

  5071. EOF

  5072. 

  5073.     # check whether EBX is available on x86

  5074.     check_inline_asm ebx_available '""::"b"(0)' &&

  5075.         check_inline_asm ebx_available '"":::"%ebx"'

  5076. 

  5077.     # check whether xmm clobbers are supported

  5078.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5079. 

  5080.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5081.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5082. 

  5083.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5084.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5085.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5086. 

  5087.     if ! disabled_any asm mmx yasm; then

  5088.         if check_cmd $yasmexe --version; then

  5089.             enabled x86_64 && yasm_extra="-m amd64"

  5090.             yasm_debug="-g dwarf2"

  5091.         elif check_cmd nasm -v; then

  5092.             yasmexe=nasm

  5093.             yasm_debug="-g -F dwarf"

  5094.             if enabled x86_64; then

  5095.                 case "$objformat" in

  5096.                     elf)   objformat=elf64 ;;

  5097.                     win32) objformat=win64 ;;

  5098.                 esac

  5099.             fi

  5100.         fi

  5101. 

  5102.         YASMFLAGS="-f $objformat $yasm_extra"

  5103.         enabled pic               && append YASMFLAGS "-DPIC"

  5104.         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"

  5105.         case "$objformat" in

  5106.             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;

  5107.         esac

  5108. 

  5109.         check_yasm "movbe ecx, [5]" && enable yasm ||

  5110.             die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."

  5111.         check_yasm "vextracti128 xmm0, ymm0, 0"      || disable avx2_external

  5112.         check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external

  5113.         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external

  5114.         check_yasm "CPU amdnop" || disable cpunop

  5115.     fi

  5116. 

  5117.     case "$cpu" in

  5118.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5119.             disable fast_clz

  5120.         ;;

  5121.     esac

  5122. 

  5123. fi

  5124. 

  5125. check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon

  5126. 

  5127. check_ldflags -Wl,--as-needed

  5128. check_ldflags -Wl,-z,noexecstack

  5129. 

  5130. if check_func dlopen; then

  5131.     ldl=

  5132. elif check_func dlopen -ldl; then

  5133.     ldl=-ldl

  5134. fi

  5135. 

  5136. frei0r_filter_extralibs='$ldl'

  5137. frei0r_src_filter_extralibs='$ldl'

  5138. ladspa_filter_extralibs='$ldl'

  5139. nvenc_encoder_extralibs='$ldl'

  5140. 

  5141. if ! disabled network; then

  5142.     check_func getaddrinfo $network_extralibs

  5143.     check_func inet_aton $network_extralibs

  5144. 

  5145.     check_type netdb.h "struct addrinfo"

  5146.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5147.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5148.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5149.     check_type poll.h "struct pollfd"

  5150.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5151.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5152.     check_type netinet/in.h "struct sockaddr_in6"

  5153.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5154.     check_type "sys/types.h sys/socket.h" socklen_t

  5155. 

  5156.     # Prefer arpa/inet.h over winsock2

  5157.     if check_header arpa/inet.h ; then

  5158.         check_func closesocket

  5159.     elif check_header winsock2.h ; then

  5160.         check_func_headers winsock2.h closesocket -lws2 &&

  5161.             network_extralibs="-lws2" ||

  5162.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5163.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5164.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5165. 

  5166.         check_type ws2tcpip.h socklen_t

  5167.         check_type ws2tcpip.h "struct addrinfo"

  5168.         check_type ws2tcpip.h "struct group_source_req"

  5169.         check_type ws2tcpip.h "struct ip_mreq_source"

  5170.         check_type ws2tcpip.h "struct ipv6_mreq"

  5171.         check_type winsock2.h "struct pollfd"

  5172.         check_struct winsock2.h "struct sockaddr" sa_len

  5173.         check_type ws2tcpip.h "struct sockaddr_in6"

  5174.         check_type ws2tcpip.h "struct sockaddr_storage"

  5175.     else

  5176.         disable network

  5177.     fi

  5178. fi

  5179. 

  5180. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5181. check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"

  5182. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5183. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5184. check_builtin sarestart signal.h "SA_RESTART"

  5185. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5186. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5187. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5188. 

  5189. case "$custom_allocator" in

  5190.     jemalloc)

  5191.         # jemalloc by default does not use a prefix

  5192.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  5193.     ;;

  5194.     tcmalloc)

  5195.         require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc

  5196.         malloc_prefix=tc_

  5197.     ;;

  5198. esac

  5199. 

  5200. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  5201. check_func  ${malloc_prefix}memalign            && enable memalign

  5202. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  5203. 

  5204. check_func  access

  5205. check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5206. check_func  fcntl

  5207. check_func  fork

  5208. check_func  gethrtime

  5209. check_func  getopt

  5210. check_func  getrusage

  5211. check_func  gettimeofday

  5212. check_func  isatty

  5213. check_func  mach_absolute_time

  5214. check_func  mkstemp

  5215. check_func  mmap

  5216. check_func  mprotect

  5217. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  5218. check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }

  5219. check_func  sched_getaffinity

  5220. check_func  setrlimit

  5221. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  5222. check_func  strerror_r

  5223. check_func  sysconf

  5224. check_func  sysctl

  5225. check_func  usleep

  5226. 

  5227. check_func_headers conio.h kbhit

  5228. check_func_headers io.h setmode

  5229. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  5230. check_func_headers stdlib.h getenv

  5231. check_func_headers sys/stat.h lstat

  5232. 

  5233. check_func_headers windows.h CoTaskMemFree -lole32

  5234. check_func_headers windows.h GetProcessAffinityMask

  5235. check_func_headers windows.h GetProcessTimes

  5236. check_func_headers windows.h GetSystemTimeAsFileTime

  5237. check_func_headers windows.h MapViewOfFile

  5238. check_func_headers windows.h PeekNamedPipe

  5239. check_func_headers windows.h SetConsoleTextAttribute

  5240. check_func_headers windows.h SetConsoleCtrlHandler

  5241. check_func_headers windows.h Sleep

  5242. check_func_headers windows.h VirtualAlloc

  5243. check_struct windows.h "CONDITION_VARIABLE" Ptr

  5244. check_func_headers glob.h glob

  5245. enabled xlib &&

  5246.     check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  5247. 

  5248. check_header direct.h

  5249. check_header dirent.h

  5250. check_header dlfcn.h

  5251. check_header d3d11.h

  5252. check_header dxva.h

  5253. check_header dxva2api.h -D_WIN32_WINNT=0x0600

  5254. check_header io.h

  5255. check_header libcrystalhd/libcrystalhd_if.h

  5256. check_header mach/mach_time.h

  5257. check_header malloc.h

  5258. check_header net/udplite.h

  5259. check_header poll.h

  5260. check_header sys/mman.h

  5261. check_header sys/param.h

  5262. check_header sys/resource.h

  5263. check_header sys/select.h

  5264. check_header sys/time.h

  5265. check_header sys/un.h

  5266. check_header termios.h

  5267. check_header unistd.h

  5268. check_header valgrind/valgrind.h

  5269. check_header vdpau/vdpau.h

  5270. check_header vdpau/vdpau_x11.h

  5271. check_header VideoDecodeAcceleration/VDADecoder.h

  5272. check_header VideoToolbox/VideoToolbox.h

  5273. check_header windows.h

  5274. check_header X11/extensions/XvMClib.h

  5275. check_header asm/types.h

  5276. 

  5277. check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32

  5278. check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32

  5279. check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi

  5280. check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"

  5281. 

  5282. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  5283. 

  5284. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  5285. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  5286. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  5287. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  5288. 

  5289. check_type "va/va.h" "VAPictureParameterBufferHEVC"

  5290. 

  5291. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  5292. 

  5293. check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt

  5294. 

  5295. if ! disabled w32threads && ! enabled pthreads; then

  5296.     check_func_headers "windows.h process.h" _beginthreadex &&

  5297.         enable w32threads || disable w32threads

  5298.     if ! enabled w32threads && enabled winrt; then

  5299.         check_func_headers "windows.h" CreateThread &&

  5300.             enable w32threads || disable w32threads

  5301.     fi

  5302. fi

  5303. 

  5304. # check for some common methods of building with pthread support

  5305. # do this before the optional library checks as some of them require pthreads

  5306. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  5307.     enable pthreads

  5308.     if check_func pthread_join -pthread && check_func pthread_create -pthread; then

  5309.         add_cflags -pthread

  5310.         add_extralibs -pthread

  5311.     elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then

  5312.         add_cflags -pthreads

  5313.         add_extralibs -pthreads

  5314.     elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then

  5315.         add_cflags -ldl -pthread

  5316.         add_extralibs -ldl -pthread

  5317.     elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then

  5318.         add_extralibs -lpthreadGC2

  5319.     elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then

  5320.         :

  5321.     elif ! check_func pthread_join && ! check_func pthread_create; then

  5322.         disable pthreads

  5323.     fi

  5324.     check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads

  5325. fi

  5326. 

  5327. 

  5328. if enabled pthreads; then

  5329.   check_func pthread_cancel

  5330. fi

  5331. 

  5332. disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib

  5333. disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib

  5334. disabled  lzma || check_lib2  lzma.h lzma_version_number -llzma || disable lzma

  5335. 

  5336. check_lib math.h sin -lm && LIBM="-lm"

  5337. disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd

  5338. 

  5339. atan2f_args=2

  5340. copysign_args=2

  5341. hypot_args=2

  5342. ldexpf_args=2

  5343. powf_args=2

  5344. 

  5345. for func in $MATH_FUNCS; do

  5346.     eval check_mathfunc $func \${${func}_args:-1}

  5347. done

  5348. 

  5349. for func in $COMPLEX_FUNCS; do

  5350.     eval check_complexfunc $func \${${func}_args:-1}

  5351. done

  5352. 

  5353. # these are off by default, so fail if requested and not available

  5354. enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }

  5355. enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||

  5356.                                 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }

  5357. enabled avisynth          && { { check_lib2 "windows.h" LoadLibrary; } ||

  5358.                                { check_lib2 "dlfcn.h" dlopen -ldl; } ||

  5359.                                die "ERROR: LoadLibrary/dlopen not found for avisynth"; }

  5360. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  5361. enabled decklink          && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }

  5362. enabled frei0r            && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }

  5363. enabled gcrypt            && require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  5364. enabled gmp               && require2 gmp gmp.h mpz_export -lgmp

  5365. enabled gnutls            && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init

  5366. enabled ladspa            && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }

  5367. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  5368. enabled libaacplus        && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus

  5369. enabled libass            && require_pkg_config libass ass/ass.h ass_library_init

  5370. enabled libbluray         && require_pkg_config libbluray libbluray/bluray.h bd_open

  5371. enabled libbs2b           && require_pkg_config libbs2b bs2b.h bs2b_open

  5372. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  5373.                              { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||

  5374.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  5375. enabled libcaca           && require_pkg_config caca caca.h caca_create_canvas

  5376. enabled libdcadec         && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create

  5377. enabled libfaac           && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac

  5378. enabled libfdk_aac        && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  5379.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  5380.                                  warn "using libfdk without pkg-config"; } }

  5381. 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"

  5382. enabled libflite          && require2 libflite "flite/flite.h" flite_init $flite_libs

  5383. enabled fontconfig        && enable libfontconfig

  5384. enabled libfontconfig     && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit

  5385. enabled libfreetype       && require_libfreetype

  5386. enabled libfribidi        && require_pkg_config fribidi fribidi.h fribidi_version_info

  5387. enabled libgme            && require  libgme gme/gme.h gme_new_emu -lgme -lstdc++

  5388. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  5389.                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;

  5390.                                done || die "ERROR: libgsm not found"; }

  5391. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc

  5392. enabled libkvazaar        && require_pkg_config "kvazaar >= 0.7.1" kvazaar.h kvz_api_get

  5393. enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit

  5394. enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load

  5395. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame

  5396. enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut

  5397. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  5398. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  5399. enabled libopencv         && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader

  5400. enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion

  5401. enabled libopenjpeg       && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||

  5402.                                check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5403.                                check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||

  5404.                                die "ERROR: libopenjpeg not found"; }

  5405. enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create

  5406. enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new

  5407. enabled libquvi           && require_pkg_config libquvi quvi/quvi.h quvi_init

  5408. enabled librtmp           && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket

  5409. enabled librubberband     && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new

  5410. enabled libschroedinger   && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init

  5411. enabled libshine          && require_pkg_config shine shine/layer3.h shine_encode_buffer

  5412. enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||

  5413.                                require smbclient libsmbclient.h smbc_init -lsmbclient; }

  5414. enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy

  5415. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"

  5416. enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init

  5417. enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex

  5418. enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h

  5419.     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h

  5420.     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static

  5421. enabled libtesseract      && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate

  5422. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  5423. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  5424.                              { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  5425.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  5426. enabled libutvideo        && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++

  5427. enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl

  5428. enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  5429. enabled libvo_aacenc      && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc

  5430. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  5431. enabled libvorbis         && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg

  5432. 

  5433. enabled libvpx            && {

  5434.     enabled libvpx_vp8_decoder && {

  5435.         use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  5436.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||

  5437.                 die "ERROR: libvpx decoder version must be >=0.9.1";

  5438.     }

  5439.     enabled libvpx_vp8_encoder && {

  5440.         use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  5441.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||

  5442.                 die "ERROR: libvpx encoder version must be >=0.9.7";

  5443.     }

  5444.     enabled libvpx_vp9_decoder && {

  5445.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  5446.             check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||

  5447.                 disable libvpx_vp9_decoder;

  5448.     }

  5449.     enabled libvpx_vp9_encoder && {

  5450.         use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  5451.             check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||

  5452.                 disable libvpx_vp9_encoder;

  5453.     }

  5454.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  5455.         die "libvpx enabled but no supported decoders found"

  5456.     fi

  5457. }

  5458. 

  5459. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  5460. enabled libwebp           && {

  5461.     enabled libwebp_encoder      && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  5462.     enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }

  5463. enabled libx264           && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||

  5464.                                { require libx264 x264.h x264_encoder_encode -lx264 &&

  5465.                                  warn "using libx264 without pkg-config"; } } &&

  5466.                              { check_cpp_condition x264.h "X264_BUILD >= 118" ||

  5467.                                die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&

  5468.                              { check_cpp_condition x264.h "X264_MPEG2" &&

  5469.                                enable libx262; }

  5470. enabled libx265           && require_pkg_config x265 x265.h x265_api_get &&

  5471.                              { check_cpp_condition x265.h "X265_BUILD >= 57" ||

  5472.                                die "ERROR: libx265 version must be >= 57."; }

  5473. enabled libxavs           && require libxavs xavs.h xavs_encoder_encode -lxavs

  5474. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  5475. enabled libzimg           && require_pkg_config zimg zimg.h zimg_get_api_version

  5476. enabled libzmq            && require_pkg_config libzmq zmq.h zmq_ctx_new

  5477. enabled libzvbi           && require libzvbi libzvbi.h vbi_decoder_new -lzvbi

  5478. enabled mmal              && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  5479.                                 { ! enabled cross_compile && {

  5480.                                     add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;

  5481.                                     add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;

  5482.                                     check_lib interface/mmal/mmal.h mmal_port_connect ; }

  5483.                                 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||

  5484.                                die "ERROR: mmal not found"; }

  5485. enabled nvenc             && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&

  5486.                              { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||

  5487.                                die "ERROR: NVENC API version 4 or older is not supported"; } &&

  5488.                              { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }

  5489. enabled openal            && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  5490.                                check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||

  5491.                                die "ERROR: openal not found"; } &&

  5492.                              { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  5493.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  5494. enabled opencl            && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  5495.                                check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  5496.                                die "ERROR: opencl not found"; } &&

  5497.                              { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  5498.                                check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  5499.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  5500. enabled opengl            && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||

  5501.                                check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  5502.                                check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  5503.                                check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  5504.                                die "ERROR: opengl not found."

  5505.                              }

  5506. enabled openssl           && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  5507.                                check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  5508.                                check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  5509.                                die "ERROR: openssl not found"; }

  5510. enabled qtkit_indev      && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }

  5511. 

  5512. # libdc1394 check

  5513. if enabled libdc1394; then

  5514.     { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&

  5515.         enable libdc1394_2; } ||

  5516.     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&

  5517.         enable libdc1394_1; } ||

  5518.     die "ERROR: No version of libdc1394 found "

  5519. fi

  5520. if ! disabled sdl; then

  5521.     SDL_CONFIG="${cross_prefix}sdl-config"

  5522.     if check_pkg_config sdl SDL_events.h SDL_PollEvent; then

  5523.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5524.         check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5525.         enable sdl

  5526.     else

  5527.         if "${SDL_CONFIG}" --version > /dev/null 2>&1; then

  5528.             sdl_cflags=$("${SDL_CONFIG}" --cflags)

  5529.             sdl_libs=$("${SDL_CONFIG}" --libs)

  5530.             check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&

  5531.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&

  5532.             check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&

  5533.             enable sdl

  5534.         elif enabled sdl ; then

  5535.             die "ERROR: SDL not found"

  5536.         else

  5537.             disable sdl

  5538.         fi

  5539.     fi

  5540.     if test $target_os = "mingw32"; then

  5541.         sdl_libs="$sdl_libs -mconsole"

  5542.     fi

  5543. fi

  5544. enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs

  5545. 

  5546. disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5547.     check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  5548.     enable securetransport; }

  5549. 

  5550. disabled schannel || { check_func_headers "windows.h Security.h" InitializeSecurityContext -DSECURITY_WIN32 -lSecur32 &&

  5551.                        enable schannel && add_extralibs -lSecur32; }

  5552. 

  5553. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  5554. enabled makeinfo \

  5555.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  5556.     && enable makeinfo_html || disable makeinfo_html

  5557. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  5558. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  5559. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  5560. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  5561. 

  5562. check_header linux/fb.h

  5563. check_header linux/videodev.h

  5564. check_header linux/videodev2.h

  5565. check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5566. 

  5567. check_header sys/videoio.h

  5568. check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete

  5569. 

  5570. check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

  5571. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  5572. # w32api 3.12 had it defined wrong

  5573. check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines

  5574. 

  5575. check_type "dshow.h" IBaseFilter

  5576. 

  5577. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  5578. { check_header dev/bktr/ioctl_meteor.h &&

  5579.   check_header dev/bktr/ioctl_bt848.h; } ||

  5580. { check_header machine/ioctl_meteor.h &&

  5581.   check_header machine/ioctl_bt848.h; } ||

  5582. { check_header dev/video/meteor/ioctl_meteor.h &&

  5583.   check_header dev/video/bktr/ioctl_bt848.h; } ||

  5584. check_header dev/ic/bt8xx.h

  5585. 

  5586. check_header sndio.h

  5587. if check_struct sys/soundcard.h audio_buf_info bytes; then

  5588.     enable_safe sys/soundcard.h

  5589. else

  5590.     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h

  5591.     #include <sys/soundcard.h>

  5592.     audio_buf_info abc;

  5593. EOF

  5594. fi

  5595. check_header soundcard.h

  5596. 

  5597. enabled_any alsa_indev alsa_outdev &&

  5598.     check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound

  5599. 

  5600. enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&

  5601.     check_func jack_port_get_latency_range -ljack

  5602. 

  5603. enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

  5604. 

  5605. if enabled libcdio; then

  5606.     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5607.     check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  5608.     die "ERROR: No usable libcdio/cdparanoia found"

  5609. fi

  5610. 

  5611. enabled xlib &&

  5612.     check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib

  5613. 

  5614. if ! disabled libxcb; then

  5615.     check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {

  5616.         enabled libxcb && die "ERROR: libxcb >= 1.4 not found";

  5617.     } && disable x11grab && enable libxcb

  5618. 

  5619. if enabled libxcb; then

  5620.     disabled libxcb_shm || {

  5621.         check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {

  5622.             enabled libxcb_shm && die "ERROR: libxcb_shm not found";

  5623.         } && check_header sys/shm.h && enable libxcb_shm; }

  5624. 

  5625.     disabled libxcb_xfixes || {

  5626.         check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {

  5627.             enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";

  5628.         } && enable libxcb_xfixes; }

  5629. 

  5630.     disabled libxcb_shape || {

  5631.         check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {

  5632.             enabled libxcb_shape && die "ERROR: libxcb_shape not found";

  5633.         } && enable libxcb_shape; }

  5634. 

  5635.     add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags

  5636.     add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs

  5637. fi

  5638. fi

  5639. 

  5640. if enabled x11grab; then

  5641.     enabled xlib || die "ERROR: Xlib not found"

  5642.     require Xext X11/extensions/XShm.h XShmCreateImage -lXext

  5643.     require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes

  5644. fi

  5645. 

  5646. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  5647. 

  5648. enabled dxva2api_h &&

  5649.     check_cc <<EOF && enable dxva2api_cobj

  5650. #define _WIN32_WINNT 0x0600

  5651. #define COBJMACROS

  5652. #include <windows.h>

  5653. #include <d3d9.h>

  5654. #include <dxva2api.h>

  5655. int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }

  5656. EOF

  5657. 

  5658. enabled vaapi &&

  5659.     check_lib va/va.h vaInitialize -lva ||

  5660.     disable vaapi

  5661. 

  5662. enabled vaapi && enabled xlib &&

  5663.     check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&

  5664.     enable vaapi_x11

  5665. 

  5666. enabled vdpau &&

  5667.     check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||

  5668.     disable vdpau

  5669. 

  5670. enabled vdpau && enabled xlib &&

  5671.     check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&

  5672.     prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&

  5673.     enable vdpau_x11

  5674. 

  5675. # Funny iconv installations are not unusual, so check it after all flags have been set

  5676. disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv

  5677. 

  5678. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  5679. 

  5680. # add some useful compiler flags if supported

  5681. check_cflags -Wdeclaration-after-statement

  5682. check_cflags -Wall

  5683. check_cflags -Wdisabled-optimization

  5684. check_cflags -Wpointer-arith

  5685. check_cflags -Wredundant-decls

  5686. check_cflags -Wwrite-strings

  5687. check_cflags -Wtype-limits

  5688. check_cflags -Wundef

  5689. check_cflags -Wmissing-prototypes

  5690. check_cflags -Wno-pointer-to-int-cast

  5691. check_cflags -Wstrict-prototypes

  5692. check_cflags -Wempty-body

  5693. enabled extra_warnings && check_cflags -Winline

  5694. 

  5695. check_disable_warning(){

  5696.     warning_flag=-W${1#-Wno-}

  5697.     test_cflags $warning_flag && add_cflags $1

  5698. }

  5699. 

  5700. check_disable_warning -Wno-parentheses

  5701. check_disable_warning -Wno-switch

  5702. check_disable_warning -Wno-format-zero-length

  5703. check_disable_warning -Wno-pointer-sign

  5704. 

  5705. # add some linker flags

  5706. check_ldflags -Wl,--warn-common

  5707. check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  5708. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir

  5709. enabled rpath && add_ldlibflags -Wl,-rpath,$libdir

  5710. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  5711. 

  5712. # add some strip flags

  5713. # -wN '..@*' is more selective than -x, but not available everywhere.

  5714. check_stripflags -wN \'..@*\' || check_stripflags -x

  5715. 

  5716. enabled neon_clobber_test &&

  5717.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5718.                   -Wl,--wrap,avcodec_decode_audio4      \

  5719.                   -Wl,--wrap,avcodec_decode_video2      \

  5720.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5721.                   -Wl,--wrap,avcodec_encode_audio2      \

  5722.                   -Wl,--wrap,avcodec_encode_video2      \

  5723.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5724.                   -Wl,--wrap,swr_convert                \

  5725.                   -Wl,--wrap,avresample_convert ||

  5726.     disable neon_clobber_test

  5727. 

  5728. enabled xmm_clobber_test &&

  5729.     check_ldflags -Wl,--wrap,avcodec_open2              \

  5730.                   -Wl,--wrap,avcodec_decode_audio4      \

  5731.                   -Wl,--wrap,avcodec_decode_video2      \

  5732.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  5733.                   -Wl,--wrap,avcodec_encode_audio2      \

  5734.                   -Wl,--wrap,avcodec_encode_video2      \

  5735.                   -Wl,--wrap,avcodec_encode_subtitle    \

  5736.                   -Wl,--wrap,swr_convert                \

  5737.                   -Wl,--wrap,avresample_convert         \

  5738.                   -Wl,--wrap,sws_scale ||

  5739.     disable xmm_clobber_test

  5740. 

  5741. echo "X { local: *; };" > $TMPV

  5742. if test_ldflags -Wl,--version-script,$TMPV; then

  5743.     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

  5744. elif test_ldflags -Wl,-M,$TMPV; then

  5745.     append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'

  5746. fi

  5747. 

  5748. check_cc <<EOF && enable symver_asm_label

  5749. void ff_foo(void) __asm__ ("av_foo@VERSION");

  5750. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  5751. EOF

  5752.     check_cc <<EOF && enable symver_gnu_asm

  5753. __asm__(".symver ff_foo,av_foo@VERSION");

  5754. void ff_foo(void) {}

  5755. EOF

  5756. 

  5757. if [ -z "$optflags" ]; then

  5758.     if enabled small; then

  5759.         optflags=$cflags_size

  5760.     elif enabled optimizations; then

  5761.         optflags=$cflags_speed

  5762.     else

  5763.         optflags=$cflags_noopt

  5764.     fi

  5765. fi

  5766. 

  5767. check_optflags(){

  5768.     check_cflags "$@"

  5769.     enabled lto && check_ldflags "$@"

  5770. }

  5771. 

  5772. 

  5773. if enabled lto; then

  5774.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  5775.     check_cflags  -flto

  5776.     check_ldflags -flto $cpuflags

  5777.     disable inline_asm_direct_symbol_refs

  5778. fi

  5779. 

  5780. check_optflags $optflags

  5781. check_optflags -fno-math-errno

  5782. check_optflags -fno-signed-zeros

  5783. 

  5784. enabled ftrapv && check_cflags -ftrapv

  5785. 

  5786. check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  5787. int x;

  5788. EOF

  5789. 

  5790. 

  5791. if enabled icc; then

  5792.     # Just warnings, no remarks

  5793.     check_cflags -w1

  5794.     # -wd: Disable following warnings

  5795.     # 144, 167, 556: -Wno-pointer-sign

  5796.     # 188: enumerated type mixed with another type

  5797.     # 1292: attribute "foo" ignored

  5798.     # 1419: external declaration in primary source file

  5799.     # 10006: ignoring unknown option -fno-signed-zeros

  5800.     # 10148: ignoring unknown option -Wno-parentheses

  5801.     # 10156: ignoring option '-W'; no argument required

  5802.     # 13200: No EMMS instruction before call to function

  5803.     # 13203: No EMMS instruction before return from function

  5804.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  5805.     # 11030: Warning unknown option --as-needed

  5806.     # 10156: ignoring option '-export'; no argument required

  5807.     check_ldflags -wd10156,11030

  5808.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  5809.     enable ebp_available

  5810.     # The test above does not test linking

  5811.     enabled lto && disable symver_asm_label

  5812.     if enabled x86_32; then

  5813.         icc_version=$($cc -dumpversion)

  5814.         test ${icc_version%%.*} -ge 11 &&

  5815.             check_cflags -falign-stack=maintain-16-byte ||

  5816.             disable aligned_stack

  5817.     fi

  5818. elif enabled ccc; then

  5819.     # disable some annoying warnings

  5820.     add_cflags -msg_disable bitnotint

  5821.     add_cflags -msg_disable mixfuncvoid

  5822.     add_cflags -msg_disable nonstandcast

  5823.     add_cflags -msg_disable unsupieee

  5824. elif enabled gcc; then

  5825.     check_optflags -fno-tree-vectorize

  5826.     check_cflags -Werror=format-security

  5827.     check_cflags -Werror=implicit-function-declaration

  5828.     check_cflags -Werror=missing-prototypes

  5829.     check_cflags -Werror=return-type

  5830.     check_cflags -Werror=vla

  5831.     check_cflags -Wformat

  5832.     check_cflags -fdiagnostics-color=auto

  5833.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  5834. elif enabled llvm_gcc; then

  5835.     check_cflags -mllvm -stack-alignment=16

  5836. elif enabled clang; then

  5837.     check_cflags -mllvm -stack-alignment=16

  5838.     check_cflags -Qunused-arguments

  5839.     check_cflags -Werror=implicit-function-declaration

  5840.     check_cflags -Werror=missing-prototypes

  5841.     check_cflags -Werror=return-type

  5842. elif enabled cparser; then

  5843.     add_cflags -Wno-missing-variable-declarations

  5844.     add_cflags -Wno-empty-statement

  5845. elif enabled armcc; then

  5846.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  5847.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  5848.     # 2523: use of inline assembly is deprecated

  5849.     add_cflags -W${armcc_opt},--diag_suppress=2523

  5850.     add_cflags -W${armcc_opt},--diag_suppress=1207

  5851.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  5852.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  5853.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  5854.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  5855. elif enabled tms470; then

  5856.     add_cflags -pds=824 -pds=837

  5857.     disable inline_asm

  5858. elif enabled pathscale; then

  5859.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  5860. elif enabled_any msvc icl; then

  5861.     enabled x86_32 && disable aligned_stack

  5862.     enabled_all x86_32 debug && add_cflags -Oy-

  5863.     enabled debug && add_ldflags -debug

  5864.     enable pragma_deprecated

  5865.     if enabled icl; then

  5866.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  5867.         # (correctly) on icl 13.x.

  5868.         check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  5869.             add_cflags -Qansi-alias

  5870.         # Some inline asm is not compilable in debug

  5871.         if enabled debug; then

  5872.             disable ebp_available

  5873.             disable ebx_available

  5874.         fi

  5875.     fi

  5876.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  5877.     check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2

  5878.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  5879.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  5880.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  5881.     # MSVC 2013 and newer can handle it fine.

  5882.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  5883.     # happens in config.h.

  5884.     if [ $_restrict != restrict ]; then

  5885.         check_cc <<EOF || add_cflags -FIstdlib.h

  5886. __declspec($_restrict) void* foo(int);

  5887. EOF

  5888.     fi

  5889.     check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5890. fi

  5891. 

  5892. for pfx in "" host_; do

  5893.     varname=${pfx%_}cc_type

  5894.     eval "type=\$$varname"

  5895.     if [ $type = "msvc" ]; then

  5896.         check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  5897. static inline int foo(int a) { return a; }

  5898. EOF

  5899.     fi

  5900. done

  5901. 

  5902. case $as_type in

  5903.     clang)

  5904.         add_asflags -Qunused-arguments

  5905.     ;;

  5906. esac

  5907. 

  5908. case $ld_type in

  5909.     clang)

  5910.         check_ldflags -Qunused-arguments

  5911.     ;;

  5912. esac

  5913. 

  5914. case $target_os in

  5915.     osf1)

  5916.         enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'

  5917.     ;;

  5918.     plan9)

  5919.         add_cppflags -Dmain=plan9_main

  5920.     ;;

  5921. esac

  5922. 

  5923. enable frame_thread_encoder

  5924. 

  5925. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  5926. 

  5927. check_deps $CONFIG_LIST       \

  5928.            $CONFIG_EXTRA      \

  5929.            $HAVE_LIST         \

  5930.            $ALL_COMPONENTS    \

  5931. 

  5932. 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"

  5933. 

  5934. 

  5935. if test $target_os = "haiku"; then

  5936.     disable memalign

  5937.     disable posix_memalign

  5938. fi

  5939. 

  5940. enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&

  5941.     prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&

  5942.     enable dxva2_lib

  5943. 

  5944. ! enabled_any memalign posix_memalign aligned_malloc &&

  5945.     enabled simd_align_16 && enable memalign_hack

  5946. 

  5947. # add_dep lib dep

  5948. # -> enable ${lib}_deps_${dep}

  5949. # -> add $dep to ${lib}_deps only once

  5950. add_dep() {

  5951.     lib=$1

  5952.     dep=$2

  5953.     enabled "${lib}_deps_${dep}" && return 0

  5954.     enable  "${lib}_deps_${dep}"

  5955.     prepend "${lib}_deps" $dep

  5956. }

  5957. 

  5958. # merge deps lib components

  5959. # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*

  5960. merge_deps() {

  5961.     lib=$1

  5962.     shift

  5963.     for comp in $*; do

  5964.         enabled $comp || continue

  5965.         eval "dep=\"\$${comp}_deps\""

  5966.         for d in $dep; do

  5967.             add_dep $lib $d

  5968.         done

  5969.     done

  5970. }

  5971. 

  5972. merge_deps libavfilter $FILTER_LIST

  5973. 

  5974. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  5975. 

  5976. for thread in $THREADS_LIST; do

  5977.     if enabled $thread; then

  5978.         test -n "$thread_type" &&

  5979.             die "ERROR: Only one thread type must be selected." ||

  5980.             thread_type="$thread"

  5981.     fi

  5982. done

  5983. 

  5984. enabled zlib && add_cppflags -DZLIB_CONST

  5985. 

  5986. # conditional library dependencies, in linking order

  5987. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  5988. enabled aresample_filter    && prepend avfilter_deps "swresample"

  5989. enabled asyncts_filter      && prepend avfilter_deps "avresample"

  5990. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  5991. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  5992. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  5993. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  5994. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  5995. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  5996. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  5997. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  5998. enabled pan_filter          && prepend avfilter_deps "swresample"

  5999. enabled pp_filter           && prepend avfilter_deps "postproc"

  6000. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  6001. enabled resample_filter && prepend avfilter_deps "avresample"

  6002. enabled sab_filter          && prepend avfilter_deps "swscale"

  6003. enabled scale_filter    && prepend avfilter_deps "swscale"

  6004. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  6005. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  6006. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  6007. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  6008. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  6009. 

  6010. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  6011. 

  6012. enabled opus_decoder    && prepend avcodec_deps "swresample"

  6013. 

  6014. expand_deps(){

  6015.     lib_deps=${1}_deps

  6016.     eval "deps=\$$lib_deps"

  6017.     append $lib_deps $(map 'eval echo \$${v}_deps' $deps)

  6018.     unique $lib_deps

  6019. }

  6020. 

  6021. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  6022. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  6023. 

  6024. map 'expand_deps $v' $LIBRARY_LIST

  6025. 

  6026. echo "install prefix            $prefix"

  6027. echo "source path               $source_path"

  6028. echo "C compiler                $cc"

  6029. echo "C library                 $libc_type"

  6030. if test "$host_cc" != "$cc"; then

  6031.     echo "host C compiler           $host_cc"

  6032.     echo "host C library            $host_libc_type"

  6033. fi

  6034. echo "ARCH                      $arch ($cpu)"

  6035. if test "$build_suffix" != ""; then

  6036.     echo "build suffix              $build_suffix"

  6037. fi

  6038. if test "$progs_suffix" != ""; then

  6039.     echo "progs suffix              $progs_suffix"

  6040. fi

  6041. if test "$extra_version" != ""; then

  6042.     echo "version string suffix     $extra_version"

  6043. fi

  6044. echo "big-endian                ${bigendian-no}"

  6045. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  6046. if enabled x86; then

  6047.     echo "${yasmexe}                      ${yasm-no}"

  6048.     echo "MMX enabled               ${mmx-no}"

  6049.     echo "MMXEXT enabled            ${mmxext-no}"

  6050.     echo "3DNow! enabled            ${amd3dnow-no}"

  6051.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  6052.     echo "SSE enabled               ${sse-no}"

  6053.     echo "SSSE3 enabled             ${ssse3-no}"

  6054.     echo "AESNI enabled             ${aesni-no}"

  6055.     echo "AVX enabled               ${avx-no}"

  6056.     echo "XOP enabled               ${xop-no}"

  6057.     echo "FMA3 enabled              ${fma3-no}"

  6058.     echo "FMA4 enabled              ${fma4-no}"

  6059.     echo "i686 features enabled     ${i686-no}"

  6060.     echo "CMOV is fast              ${fast_cmov-no}"

  6061.     echo "EBX available             ${ebx_available-no}"

  6062.     echo "EBP available             ${ebp_available-no}"

  6063. fi

  6064. if enabled aarch64; then

  6065.     echo "NEON enabled              ${neon-no}"

  6066.     echo "VFP enabled               ${vfp-no}"

  6067. fi

  6068. if enabled arm; then

  6069.     echo "ARMv5TE enabled           ${armv5te-no}"

  6070.     echo "ARMv6 enabled             ${armv6-no}"

  6071.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  6072.     echo "VFP enabled               ${vfp-no}"

  6073.     echo "NEON enabled              ${neon-no}"

  6074.     echo "THUMB enabled             ${thumb-no}"

  6075. fi

  6076. if enabled mips; then

  6077.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  6078.     echo "MIPS32R5 enabled          ${mips32r5-no}"

  6079.     echo "MIPS64R6 enabled          ${mips64r6-no}"

  6080.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  6081.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  6082.     echo "MIPS MSA enabled          ${msa-no}"

  6083.     echo "LOONGSON MMI enabled      ${mmi-no}"

  6084. fi

  6085. if enabled ppc; then

  6086.     echo "AltiVec enabled           ${altivec-no}"

  6087.     echo "VSX enabled               ${vsx-no}"

  6088.     echo "POWER8 enabled            ${power8-no}"

  6089.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  6090.     echo "dcbzl available           ${dcbzl-no}"

  6091. fi

  6092. echo "debug symbols             ${debug-no}"

  6093. echo "strip symbols             ${stripping-no}"

  6094. echo "optimize for size         ${small-no}"

  6095. echo "optimizations             ${optimizations-no}"

  6096. echo "static                    ${static-no}"

  6097. echo "shared                    ${shared-no}"

  6098. echo "postprocessing support    ${postproc-no}"

  6099. echo "new filter support        ${avfilter-no}"

  6100. echo "network support           ${network-no}"

  6101. echo "threading support         ${thread_type-no}"

  6102. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  6103. echo "SDL support               ${sdl-no}"

  6104. echo "opencl enabled            ${opencl-no}"

  6105. echo "texi2html enabled         ${texi2html-no}"

  6106. echo "perl enabled              ${perl-no}"

  6107. echo "pod2man enabled           ${pod2man-no}"

  6108. echo "makeinfo enabled          ${makeinfo-no}"

  6109. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  6110. test -n "$random_seed" &&

  6111.     echo "random seed               ${random_seed}"

  6112. echo

  6113. 

  6114. echo "Enabled programs:"

  6115. print_enabled '' $PROGRAM_LIST | print_in_columns

  6116. echo

  6117. 

  6118. echo "External libraries:"

  6119. print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns

  6120. echo

  6121. 

  6122. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  6123.     echo "Enabled ${type}s:"

  6124.     eval list=\$$(toupper $type)_LIST

  6125.     print_enabled '_*' $list | print_in_columns

  6126.     echo

  6127. done

  6128. 

  6129. license="LGPL version 2.1 or later"

  6130. if enabled nonfree; then

  6131.     license="nonfree and unredistributable"

  6132. elif enabled gplv3; then

  6133.     license="GPL version 3 or later"

  6134. elif enabled lgplv3; then

  6135.     license="LGPL version 3 or later"

  6136. elif enabled gpl; then

  6137.     license="GPL version 2 or later"

  6138. fi

  6139. 

  6140. echo "License: $license"

  6141. 

  6142. echo "Creating config.mak, config.h, and doc/config.texi..."

  6143. 

  6144. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  6145. 

  6146. enabled stripping || strip="echo skipping strip"

  6147. 

  6148. config_files="$TMPH config.mak doc/config.texi"

  6149. 

  6150. cat > config.mak <<EOF

  6151. # Automatically generated by configure - do not modify!

  6152. ifndef FFMPEG_CONFIG_MAK

  6153. FFMPEG_CONFIG_MAK=1

  6154. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  6155. prefix=$prefix

  6156. LIBDIR=\$(DESTDIR)$libdir

  6157. SHLIBDIR=\$(DESTDIR)$shlibdir

  6158. INCDIR=\$(DESTDIR)$incdir

  6159. BINDIR=\$(DESTDIR)$bindir

  6160. DATADIR=\$(DESTDIR)$datadir

  6161. DOCDIR=\$(DESTDIR)$docdir

  6162. MANDIR=\$(DESTDIR)$mandir

  6163. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  6164. SRC_PATH=$source_path

  6165. ifndef MAIN_MAKEFILE

  6166. SRC_PATH:=\$(SRC_PATH:.%=..%)

  6167. endif

  6168. CC_IDENT=$cc_ident

  6169. ARCH=$arch

  6170. INTRINSICS=$intrinsics

  6171. CC=$cc

  6172. CXX=$cxx

  6173. AS=$as

  6174. LD=$ld

  6175. DEPCC=$dep_cc

  6176. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  6177. DEPAS=$as

  6178. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  6179. YASM=$yasmexe

  6180. DEPYASM=$yasmexe

  6181. AR=$ar

  6182. ARFLAGS=$arflags

  6183. AR_O=$ar_o

  6184. RANLIB=$ranlib

  6185. STRIP=$strip

  6186. CP=cp -p

  6187. LN_S=$ln_s

  6188. CPPFLAGS=$CPPFLAGS

  6189. CFLAGS=$CFLAGS

  6190. CXXFLAGS=$CXXFLAGS

  6191. ASFLAGS=$ASFLAGS

  6192. AS_C=$AS_C

  6193. AS_O=$AS_O

  6194. CC_C=$CC_C

  6195. CC_E=$CC_E

  6196. CC_O=$CC_O

  6197. CXX_C=$CXX_C

  6198. CXX_O=$CXX_O

  6199. LD_O=$LD_O

  6200. LD_LIB=$LD_LIB

  6201. LD_PATH=$LD_PATH

  6202. DLLTOOL=$dlltool

  6203. WINDRES=$windres

  6204. DEPWINDRES=$dep_cc

  6205. DOXYGEN=$doxygen

  6206. LDFLAGS=$LDFLAGS

  6207. LDEXEFLAGS=$LDEXEFLAGS

  6208. LDLIBFLAGS=$LDLIBFLAGS

  6209. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  6210. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  6211. YASMFLAGS=$YASMFLAGS

  6212. BUILDSUF=$build_suffix

  6213. PROGSSUF=$progs_suffix

  6214. FULLNAME=$FULLNAME

  6215. LIBPREF=$LIBPREF

  6216. LIBSUF=$LIBSUF

  6217. LIBNAME=$LIBNAME

  6218. SLIBPREF=$SLIBPREF

  6219. SLIBSUF=$SLIBSUF

  6220. EXESUF=$EXESUF

  6221. EXTRA_VERSION=$extra_version

  6222. CCDEP=$CCDEP

  6223. CXXDEP=$CXXDEP

  6224. CCDEP_FLAGS=$CCDEP_FLAGS

  6225. ASDEP=$ASDEP

  6226. ASDEP_FLAGS=$ASDEP_FLAGS

  6227. CC_DEPFLAGS=$CC_DEPFLAGS

  6228. AS_DEPFLAGS=$AS_DEPFLAGS

  6229. HOSTCC=$host_cc

  6230. HOSTLD=$host_ld

  6231. HOSTCFLAGS=$host_cflags

  6232. HOSTCPPFLAGS=$host_cppflags

  6233. HOSTEXESUF=$HOSTEXESUF

  6234. HOSTLDFLAGS=$host_ldflags

  6235. HOSTLIBS=$host_libs

  6236. DEPHOSTCC=$host_cc

  6237. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  6238. HOSTCCDEP=$HOSTCCDEP

  6239. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  6240. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  6241. HOSTCC_C=$HOSTCC_C

  6242. HOSTCC_O=$HOSTCC_O

  6243. HOSTLD_O=$HOSTLD_O

  6244. TARGET_EXEC=$target_exec $target_exec_args

  6245. TARGET_PATH=$target_path

  6246. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  6247. CFLAGS-ffplay=$sdl_cflags

  6248. ZLIB=$($ldflags_filter -lz)

  6249. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  6250. EXTRALIBS=$extralibs

  6251. COMPAT_OBJS=$compat_objs

  6252. EXEOBJS=$exeobjs

  6253. INSTALL=$install

  6254. LIBTARGET=${LIBTARGET}

  6255. SLIBNAME=${SLIBNAME}

  6256. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  6257. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  6258. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  6259. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  6260. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  6261. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  6262. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  6263. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  6264. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  6265. NOREDZONE_FLAGS=$noredzone_flags

  6266. EOF

  6267. 

  6268. get_version(){

  6269.     lcname=lib${1}

  6270.     name=$(toupper $lcname)

  6271.     file=$source_path/$lcname/version.h

  6272.     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")

  6273.     enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))

  6274.     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO

  6275.     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak

  6276.     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak

  6277.     eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak

  6278. }

  6279. 

  6280. map 'get_version $v' $LIBRARY_LIST

  6281. 

  6282. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST

  6283. 

  6284. print_program_libs(){

  6285.     eval "program_libs=\$${1}_libs"

  6286.     eval echo "LIBS-${1}=${program_libs}" >> config.mak

  6287. }

  6288. 

  6289. map 'print_program_libs $v' $PROGRAM_LIST

  6290. 

  6291. cat > $TMPH <<EOF

  6292. /* Automatically generated by configure - do not modify! */

  6293. #ifndef FFMPEG_CONFIG_H

  6294. #define FFMPEG_CONFIG_H

  6295. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  6296. #define FFMPEG_LICENSE "$(c_escape $license)"

  6297. #define CONFIG_THIS_YEAR 2015

  6298. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  6299. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  6300. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  6301. #define av_restrict $_restrict

  6302. #define EXTERN_PREFIX "${extern_prefix}"

  6303. #define EXTERN_ASM ${extern_prefix}

  6304. #define BUILDSUF "$build_suffix"

  6305. #define SLIBSUF "$SLIBSUF"

  6306. #define HAVE_MMX2 HAVE_MMXEXT

  6307. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  6308. EOF

  6309. 

  6310. test -n "$assert_level" &&

  6311.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  6312. 

  6313. test -n "$malloc_prefix" &&

  6314.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  6315. 

  6316. if enabled yasm; then

  6317.     append config_files $TMPASM

  6318.     printf '' >$TMPASM

  6319. fi

  6320. 

  6321. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  6322. 

  6323. 

  6324. mkdir -p doc

  6325. mkdir -p tests

  6326. mkdir -p tests/api

  6327. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  6328. 

  6329. print_config ARCH_   "$config_files" $ARCH_LIST

  6330. print_config HAVE_   "$config_files" $HAVE_LIST

  6331. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  6332.                                      $CONFIG_EXTRA      \

  6333.                                      $ALL_COMPONENTS    \

  6334. 

  6335. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  6336. echo "endif # FFMPEG_CONFIG_MAK" >> config.mak

  6337. 

  6338. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  6339. cp_if_changed $TMPH config.h

  6340. touch .config

  6341. 

  6342. enabled yasm && cp_if_changed $TMPASM config.asm

  6343. 

  6344. cat > $TMPH <<EOF

  6345. /* Generated by ffconf */

  6346. #ifndef AVUTIL_AVCONFIG_H

  6347. #define AVUTIL_AVCONFIG_H

  6348. EOF

  6349. 

  6350. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  6351. 

  6352. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  6353. 

  6354. cp_if_changed $TMPH libavutil/avconfig.h

  6355. 

  6356. if test -n "$WARNINGS"; then

  6357.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  6358.     enabled fatal_warnings && exit 1

  6359. fi

  6360. 

  6361. # build pkg-config files

  6362. 

  6363. lib_version(){

  6364.     eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""

  6365. }

  6366. 

  6367. pkgconfig_generate(){

  6368.     name=$1

  6369.     shortname=${name#lib}${build_suffix}

  6370.     comment=$2

  6371.     version=$3

  6372.     libs=$4

  6373.     requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))

  6374.     requires=${requires%, }

  6375.     enabled ${name#lib} || return 0

  6376.     mkdir -p $name

  6377.     cat <<EOF > $name/$name${build_suffix}.pc

  6378. prefix=$prefix

  6379. exec_prefix=\${prefix}

  6380. libdir=$libdir

  6381. includedir=$incdir

  6382. 

  6383. Name: $name

  6384. Description: $comment

  6385. Version: $version

  6386. Requires: $(enabled shared || echo $requires)

  6387. Requires.private: $(enabled shared && echo $requires)

  6388. Conflicts:

  6389. Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)

  6390. Libs.private: $(enabled shared && echo $libs)

  6391. Cflags: -I\${includedir}

  6392. EOF

  6393. 

  6394. mkdir -p doc/examples/pc-uninstalled

  6395. includedir=${source_path}

  6396. [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."

  6397.     cat <<EOF > doc/examples/pc-uninstalled/$name.pc

  6398. prefix=

  6399. exec_prefix=

  6400. libdir=\${pcfiledir}/../../../$name

  6401. includedir=${includedir}

  6402. 

  6403. Name: $name

  6404. Description: $comment

  6405. Version: $version

  6406. Requires: $requires

  6407. Conflicts:

  6408. Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)

  6409. Cflags: -I\${includedir}

  6410. EOF

  6411. }

  6412. 

  6413. pkgconfig_generate libavutil     "FFmpeg utility library"               "$LIBAVUTIL_VERSION"     "$LIBRT $LIBM"

  6414. pkgconfig_generate libavcodec    "FFmpeg codec library"                 "$LIBAVCODEC_VERSION"    "$extralibs"

  6415. pkgconfig_generate libavformat   "FFmpeg container format library"      "$LIBAVFORMAT_VERSION"   "$extralibs"

  6416. pkgconfig_generate libavdevice   "FFmpeg device handling library"       "$LIBAVDEVICE_VERSION"   "$extralibs"

  6417. pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION"   "$extralibs"

  6418. pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""

  6419. pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"

  6420. pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"

  6421. pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"